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authorIvo van Doorn <IvDoorn@gmail.com>2007-09-25 17:57:13 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:51:39 -0700
commit95ea36275f3c9a1d3d04c217b4b576c657c4e70e (patch)
tree55477b946a46aa871a087857a1dc698d74fe79d2
parentb481de9ca074528fe8c429604e2777db8b89806a (diff)
downloadlinux-linaro-precise-95ea36275f3c9a1d3d04c217b4b576c657c4e70e.tar.gz
[RT2x00]: add driver for Ralink wireless hardware
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--CREDITS31
-rw-r--r--MAINTAINERS8
-rw-r--r--drivers/net/wireless/Kconfig1
-rw-r--r--drivers/net/wireless/Makefile1
-rw-r--r--drivers/net/wireless/rt2x00/Kconfig130
-rw-r--r--drivers/net/wireless/rt2x00/Makefile22
-rw-r--r--drivers/net/wireless/rt2x00/rt2400pci.c1689
-rw-r--r--drivers/net/wireless/rt2x00/rt2400pci.h943
-rw-r--r--drivers/net/wireless/rt2x00/rt2500pci.c2000
-rw-r--r--drivers/net/wireless/rt2x00/rt2500pci.h1236
-rw-r--r--drivers/net/wireless/rt2x00/rt2500usb.c1837
-rw-r--r--drivers/net/wireless/rt2x00/rt2500usb.h798
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00.h807
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00config.c165
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00debug.c331
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00debug.h57
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00dev.c1133
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00firmware.c124
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00lib.h125
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00mac.c459
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00pci.c481
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00pci.h127
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00reg.h283
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00rfkill.c148
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00ring.h255
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00usb.c595
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00usb.h180
-rw-r--r--drivers/net/wireless/rt2x00/rt61pci.c2603
-rw-r--r--drivers/net/wireless/rt2x00/rt61pci.h1457
-rw-r--r--drivers/net/wireless/rt2x00/rt73usb.c2124
-rw-r--r--drivers/net/wireless/rt2x00/rt73usb.h1024
31 files changed, 21174 insertions, 0 deletions
diff --git a/CREDITS b/CREDITS
index 832436e1dd9..550bb2b9fe8 100644
--- a/CREDITS
+++ b/CREDITS
@@ -665,6 +665,11 @@ D: Minor updates to SCSI types, added /proc/pid/maps protection
S: (ask for current address)
S: USA
+N: Robin Cornelius
+E: robincornelius@users.sourceforge.net
+D: Ralink rt2x00 WLAN driver
+S: Cornwall, U.K.
+
N: Mark Corner
E: mcorner@umich.edu
W: http://www.eecs.umich.edu/~mcorner/
@@ -679,6 +684,11 @@ D: Kernel module SMART utilities
S: Santa Cruz, California
S: USA
+N: Luis Correia
+E: lfcorreia@users.sf.net
+D: Ralink rt2x00 WLAN driver
+S: Belas, Portugal
+
N: Alan Cox
W: http://www.linux.org.uk/diary/
D: Linux Networking (0.99.10->2.0.29)
@@ -833,6 +843,12 @@ S: Lancs
S: PR4 6AX
S: United Kingdom
+N: Ivo van Doorn
+E: IvDoorn@gmail.com
+W: http://www.mendiosus.nl
+D: Ralink rt2x00 WLAN driver
+S: Haarlem, The Netherlands
+
N: John G Dorsey
E: john+@cs.cmu.edu
D: ARM Linux ports to Assabet/Neponset, Spot
@@ -3517,6 +3533,12 @@ S: Maastrichterweg 63
S: 5554 GG Valkenswaard
S: The Netherlands
+N: Mark Wallis
+E: mwallis@serialmonkey.com
+W: http://mark.serialmonkey.com
+D: Ralink rt2x00 WLAN driver
+S: Newcastle, Australia
+
N: Peter Shaobo Wang
E: pwang@mmdcorp.com
W: http://www.mmdcorp.com/pw/linux
@@ -3651,6 +3673,15 @@ S: Alte Regensburger Str. 11a
S: 93149 Nittenau
S: Germany
+N: Gertjan van Wingerde
+E: gwingerde@home.nl
+D: Ralink rt2x00 WLAN driver
+D: Minix V2 file-system
+D: Misc fixes
+S: Geessinkweg 177
+S: 7544 TX Enschede
+S: The Netherlands
+
N: Lars Wirzenius
E: liw@iki.fi
D: Linux System Administrator's Guide, author, former maintainer
diff --git a/MAINTAINERS b/MAINTAINERS
index 934afd3dfa4..6ae2b997526 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3147,6 +3147,14 @@ M: corey@world.std.com
L: linux-wireless@vger.kernel.org
S: Maintained
+RALINK RT2X00 WLAN DRIVER
+P: rt2x00 project
+L: linux-wireless@vger.kernel.org
+L: rt2400-devel@lists.sourceforge.net
+W: http://rt2x00.serialmonkey.com/
+S: Maintained
+F: drivers/net/wireless/rt2x00/
+
RANDOM NUMBER DRIVER
P: Matt Mackall
M: mpm@selenic.com
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index 085ba132835..f481c757e22 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -583,5 +583,6 @@ source "drivers/net/wireless/bcm43xx/Kconfig"
source "drivers/net/wireless/b43/Kconfig"
source "drivers/net/wireless/b43legacy/Kconfig"
source "drivers/net/wireless/zd1211rw/Kconfig"
+source "drivers/net/wireless/rt2x00/Kconfig"
endmenu
diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile
index 351024f2fe7..a7a15e3509e 100644
--- a/drivers/net/wireless/Makefile
+++ b/drivers/net/wireless/Makefile
@@ -53,3 +53,4 @@ obj-$(CONFIG_RTL8187) += rtl8187.o
obj-$(CONFIG_ADM8211) += adm8211.o
obj-$(CONFIG_IWLWIFI) += iwlwifi/
+obj-$(CONFIG_RT2X00) += rt2x00/
diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig
new file mode 100644
index 00000000000..da05b1faf60
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/Kconfig
@@ -0,0 +1,130 @@
+config RT2X00
+ tristate "Ralink driver support"
+ depends on MAC80211 && WLAN_80211 && EXPERIMENTAL
+ ---help---
+ This will enable the experimental support for the Ralink drivers,
+ developed in the rt2x00 project <http://rt2x00.serialmonkey.com>.
+
+ These drivers will make use of the Devicescape ieee80211 stack.
+
+ When building one of the individual drivers, the rt2x00 library
+ will also be created. That library (when the driver is built as
+ a module) will be called "rt2x00lib.ko".
+
+config RT2X00_LIB
+ tristate
+ depends on RT2X00
+
+config RT2X00_LIB_PCI
+ tristate
+ depends on RT2X00
+ select RT2X00_LIB
+
+config RT2X00_LIB_USB
+ tristate
+ depends on RT2X00
+ select RT2X00_LIB
+
+config RT2X00_LIB_FIRMWARE
+ boolean
+ depends on RT2X00_LIB
+ select CRC_ITU_T
+ select FW_LOADER
+
+config RT2X00_LIB_RFKILL
+ boolean
+ depends on RT2X00_LIB
+ select RFKILL
+ select INPUT_POLLDEV
+
+config RT2400PCI
+ tristate "Ralink rt2400 pci/pcmcia support"
+ depends on RT2X00 && PCI
+ select RT2X00_LIB_PCI
+ select EEPROM_93CX6
+ ---help---
+ This is an experimental driver for the Ralink rt2400 wireless chip.
+
+ When compiled as a module, this driver will be called "rt2400pci.ko".
+
+config RT2400PCI_RFKILL
+ bool "RT2400 rfkill support"
+ depends on RT2400PCI
+ select RT2X00_LIB_RFKILL
+ ---help---
+ This adds support for integrated rt2400 devices that feature a
+ hardware button to control the radio state.
+ This feature depends on the RF switch subsystem rfkill.
+
+config RT2500PCI
+ tristate "Ralink rt2500 pci/pcmcia support"
+ depends on RT2X00 && PCI
+ select RT2X00_LIB_PCI
+ select EEPROM_93CX6
+ ---help---
+ This is an experimental driver for the Ralink rt2500 wireless chip.
+
+ When compiled as a module, this driver will be called "rt2500pci.ko".
+
+config RT2500PCI_RFKILL
+ bool "RT2500 rfkill support"
+ depends on RT2500PCI
+ select RT2X00_LIB_RFKILL
+ ---help---
+ This adds support for integrated rt2500 devices that feature a
+ hardware button to control the radio state.
+ This feature depends on the RF switch subsystem rfkill.
+
+config RT61PCI
+ tristate "Ralink rt61 pci/pcmcia support"
+ depends on RT2X00 && PCI
+ select RT2X00_LIB_PCI
+ select RT2X00_LIB_FIRMWARE
+ select EEPROM_93CX6
+ ---help---
+ This is an experimental driver for the Ralink rt61 wireless chip.
+
+ When compiled as a module, this driver will be called "rt61pci.ko".
+
+config RT61PCI_RFKILL
+ bool "RT61 rfkill support"
+ depends on RT61PCI
+ select RT2X00_LIB_RFKILL
+ ---help---
+ This adds support for integrated rt61 devices that feature a
+ hardware button to control the radio state.
+ This feature depends on the RF switch subsystem rfkill.
+
+config RT2500USB
+ tristate "Ralink rt2500 usb support"
+ depends on RT2X00 && USB
+ select RT2X00_LIB_USB
+ ---help---
+ This is an experimental driver for the Ralink rt2500 wireless chip.
+
+ When compiled as a module, this driver will be called "rt2500usb.ko".
+
+config RT73USB
+ tristate "Ralink rt73 usb support"
+ depends on RT2X00 && USB
+ select RT2X00_LIB_USB
+ select RT2X00_LIB_FIRMWARE
+ ---help---
+ This is an experimental driver for the Ralink rt73 wireless chip.
+
+ When compiled as a module, this driver will be called "rt73usb.ko".
+
+config RT2X00_LIB_DEBUGFS
+ bool "Ralink debugfs support"
+ depends on RT2X00_LIB && MAC80211_DEBUGFS
+ ---help---
+ Enable creation of debugfs files for the rt2x00 drivers.
+ These debugfs files support both reading and writing of the
+ most important register types of the rt2x00 devices.
+
+config RT2X00_DEBUG
+ bool "Ralink debug output"
+ depends on RT2X00_LIB
+ ---help---
+ Enable debugging output for all rt2x00 modules
+
diff --git a/drivers/net/wireless/rt2x00/Makefile b/drivers/net/wireless/rt2x00/Makefile
new file mode 100644
index 00000000000..30d654a42ee
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/Makefile
@@ -0,0 +1,22 @@
+rt2x00lib-objs := rt2x00dev.o rt2x00mac.o rt2x00config.o
+
+ifeq ($(CONFIG_RT2X00_LIB_DEBUGFS),y)
+ rt2x00lib-objs += rt2x00debug.o
+endif
+
+ifeq ($(CONFIG_RT2X00_LIB_RFKILL),y)
+ rt2x00lib-objs += rt2x00rfkill.o
+endif
+
+ifeq ($(CONFIG_RT2X00_LIB_FIRMWARE),y)
+ rt2x00lib-objs += rt2x00firmware.o
+endif
+
+obj-$(CONFIG_RT2X00_LIB) += rt2x00lib.o
+obj-$(CONFIG_RT2X00_LIB_PCI) += rt2x00pci.o
+obj-$(CONFIG_RT2X00_LIB_USB) += rt2x00usb.o
+obj-$(CONFIG_RT2400PCI) += rt2400pci.o
+obj-$(CONFIG_RT2500PCI) += rt2500pci.o
+obj-$(CONFIG_RT61PCI) += rt61pci.o
+obj-$(CONFIG_RT2500USB) += rt2500usb.o
+obj-$(CONFIG_RT73USB) += rt73usb.o
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
new file mode 100644
index 00000000000..38e2188937c
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -0,0 +1,1689 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2400pci
+ Abstract: rt2400pci device specific routines.
+ Supported chipsets: RT2460.
+ */
+
+/*
+ * Set enviroment defines for rt2x00.h
+ */
+#define DRV_NAME "rt2400pci"
+
+#include <linux/delay.h>
+#include <linux/etherdevice.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/eeprom_93cx6.h>
+
+#include "rt2x00.h"
+#include "rt2x00pci.h"
+#include "rt2400pci.h"
+
+/*
+ * Register access.
+ * All access to the CSR registers will go through the methods
+ * rt2x00pci_register_read and rt2x00pci_register_write.
+ * BBP and RF register require indirect register access,
+ * and use the CSR registers BBPCSR and RFCSR to achieve this.
+ * These indirect registers work with busy bits,
+ * and we will try maximal REGISTER_BUSY_COUNT times to access
+ * the register while taking a REGISTER_BUSY_DELAY us delay
+ * between each attampt. When the busy bit is still set at that time,
+ * the access attempt is considered to have failed,
+ * and we will print an error.
+ */
+static u32 rt2400pci_bbp_check(const struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+ unsigned int i;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt2x00pci_register_read(rt2x00dev, BBPCSR, &reg);
+ if (!rt2x00_get_field32(reg, BBPCSR_BUSY))
+ break;
+ udelay(REGISTER_BUSY_DELAY);
+ }
+
+ return reg;
+}
+
+static void rt2400pci_bbp_write(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, const u8 value)
+{
+ u32 reg;
+
+ /*
+ * Wait until the BBP becomes ready.
+ */
+ reg = rt2400pci_bbp_check(rt2x00dev);
+ if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
+ ERROR(rt2x00dev, "BBPCSR register busy. Write failed.\n");
+ return;
+ }
+
+ /*
+ * Write the data into the BBP.
+ */
+ reg = 0;
+ rt2x00_set_field32(&reg, BBPCSR_VALUE, value);
+ rt2x00_set_field32(&reg, BBPCSR_REGNUM, word);
+ rt2x00_set_field32(&reg, BBPCSR_BUSY, 1);
+ rt2x00_set_field32(&reg, BBPCSR_WRITE_CONTROL, 1);
+
+ rt2x00pci_register_write(rt2x00dev, BBPCSR, reg);
+}
+
+static void rt2400pci_bbp_read(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u8 *value)
+{
+ u32 reg;
+
+ /*
+ * Wait until the BBP becomes ready.
+ */
+ reg = rt2400pci_bbp_check(rt2x00dev);
+ if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
+ ERROR(rt2x00dev, "BBPCSR register busy. Read failed.\n");
+ return;
+ }
+
+ /*
+ * Write the request into the BBP.
+ */
+ reg = 0;
+ rt2x00_set_field32(&reg, BBPCSR_REGNUM, word);
+ rt2x00_set_field32(&reg, BBPCSR_BUSY, 1);
+ rt2x00_set_field32(&reg, BBPCSR_WRITE_CONTROL, 0);
+
+ rt2x00pci_register_write(rt2x00dev, BBPCSR, reg);
+
+ /*
+ * Wait until the BBP becomes ready.
+ */
+ reg = rt2400pci_bbp_check(rt2x00dev);
+ if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
+ ERROR(rt2x00dev, "BBPCSR register busy. Read failed.\n");
+ *value = 0xff;
+ return;
+ }
+
+ *value = rt2x00_get_field32(reg, BBPCSR_VALUE);
+}
+
+static void rt2400pci_rf_write(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, const u32 value)
+{
+ u32 reg;
+ unsigned int i;
+
+ if (!word)
+ return;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt2x00pci_register_read(rt2x00dev, RFCSR, &reg);
+ if (!rt2x00_get_field32(reg, RFCSR_BUSY))
+ goto rf_write;
+ udelay(REGISTER_BUSY_DELAY);
+ }
+
+ ERROR(rt2x00dev, "RFCSR register busy. Write failed.\n");
+ return;
+
+rf_write:
+ reg = 0;
+ rt2x00_set_field32(&reg, RFCSR_VALUE, value);
+ rt2x00_set_field32(&reg, RFCSR_NUMBER_OF_BITS, 20);
+ rt2x00_set_field32(&reg, RFCSR_IF_SELECT, 0);
+ rt2x00_set_field32(&reg, RFCSR_BUSY, 1);
+
+ rt2x00pci_register_write(rt2x00dev, RFCSR, reg);
+ rt2x00_rf_write(rt2x00dev, word, value);
+}
+
+static void rt2400pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
+{
+ struct rt2x00_dev *rt2x00dev = eeprom->data;
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, CSR21, &reg);
+
+ eeprom->reg_data_in = !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_IN);
+ eeprom->reg_data_out = !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_OUT);
+ eeprom->reg_data_clock =
+ !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_CLOCK);
+ eeprom->reg_chip_select =
+ !!rt2x00_get_field32(reg, CSR21_EEPROM_CHIP_SELECT);
+}
+
+static void rt2400pci_eepromregister_write(struct eeprom_93cx6 *eeprom)
+{
+ struct rt2x00_dev *rt2x00dev = eeprom->data;
+ u32 reg = 0;
+
+ rt2x00_set_field32(&reg, CSR21_EEPROM_DATA_IN, !!eeprom->reg_data_in);
+ rt2x00_set_field32(&reg, CSR21_EEPROM_DATA_OUT, !!eeprom->reg_data_out);
+ rt2x00_set_field32(&reg, CSR21_EEPROM_DATA_CLOCK,
+ !!eeprom->reg_data_clock);
+ rt2x00_set_field32(&reg, CSR21_EEPROM_CHIP_SELECT,
+ !!eeprom->reg_chip_select);
+
+ rt2x00pci_register_write(rt2x00dev, CSR21, reg);
+}
+
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+#define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u32)) )
+
+static void rt2400pci_read_csr(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u32 *data)
+{
+ rt2x00pci_register_read(rt2x00dev, CSR_OFFSET(word), data);
+}
+
+static void rt2400pci_write_csr(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u32 data)
+{
+ rt2x00pci_register_write(rt2x00dev, CSR_OFFSET(word), data);
+}
+
+static const struct rt2x00debug rt2400pci_rt2x00debug = {
+ .owner = THIS_MODULE,
+ .csr = {
+ .read = rt2400pci_read_csr,
+ .write = rt2400pci_write_csr,
+ .word_size = sizeof(u32),
+ .word_count = CSR_REG_SIZE / sizeof(u32),
+ },
+ .eeprom = {
+ .read = rt2x00_eeprom_read,
+ .write = rt2x00_eeprom_write,
+ .word_size = sizeof(u16),
+ .word_count = EEPROM_SIZE / sizeof(u16),
+ },
+ .bbp = {
+ .read = rt2400pci_bbp_read,
+ .write = rt2400pci_bbp_write,
+ .word_size = sizeof(u8),
+ .word_count = BBP_SIZE / sizeof(u8),
+ },
+ .rf = {
+ .read = rt2x00_rf_read,
+ .write = rt2400pci_rf_write,
+ .word_size = sizeof(u32),
+ .word_count = RF_SIZE / sizeof(u32),
+ },
+};
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+
+#ifdef CONFIG_RT2400PCI_RFKILL
+static int rt2400pci_rfkill_poll(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, GPIOCSR, &reg);
+ return rt2x00_get_field32(reg, GPIOCSR_BIT0);
+}
+#endif /* CONFIG_RT2400PCI_RFKILL */
+
+/*
+ * Configuration handlers.
+ */
+static void rt2400pci_config_mac_addr(struct rt2x00_dev *rt2x00dev, u8 *addr)
+{
+ __le32 reg[2];
+
+ memset(&reg, 0, sizeof(reg));
+ memcpy(&reg, addr, ETH_ALEN);
+
+ /*
+ * The MAC address is passed to us as an array of bytes,
+ * that array is little endian, so no need for byte ordering.
+ */
+ rt2x00pci_register_multiwrite(rt2x00dev, CSR3, &reg, sizeof(reg));
+}
+
+static void rt2400pci_config_bssid(struct rt2x00_dev *rt2x00dev, u8 *bssid)
+{
+ __le32 reg[2];
+
+ memset(&reg, 0, sizeof(reg));
+ memcpy(&reg, bssid, ETH_ALEN);
+
+ /*
+ * The BSSID is passed to us as an array of bytes,
+ * that array is little endian, so no need for byte ordering.
+ */
+ rt2x00pci_register_multiwrite(rt2x00dev, CSR5, &reg, sizeof(reg));
+}
+
+static void rt2400pci_config_packet_filter(struct rt2x00_dev *rt2x00dev,
+ const unsigned int filter)
+{
+ int promisc = !!(filter & IFF_PROMISC);
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, RXCSR0, &reg);
+ rt2x00_set_field32(&reg, RXCSR0_DROP_NOT_TO_ME, !promisc);
+ rt2x00pci_register_write(rt2x00dev, RXCSR0, reg);
+}
+
+static void rt2400pci_config_type(struct rt2x00_dev *rt2x00dev, int type)
+{
+ u32 reg;
+
+ rt2x00pci_register_write(rt2x00dev, CSR14, 0);
+
+ /*
+ * Apply hardware packet filter.
+ */
+ rt2x00pci_register_read(rt2x00dev, RXCSR0, &reg);
+
+ if (!is_monitor_present(&rt2x00dev->interface) &&
+ (type == IEEE80211_IF_TYPE_IBSS || type == IEEE80211_IF_TYPE_STA))
+ rt2x00_set_field32(&reg, RXCSR0_DROP_TODS, 1);
+ else
+ rt2x00_set_field32(&reg, RXCSR0_DROP_TODS, 0);
+
+ /*
+ * If there is a non-monitor interface present
+ * the packet should be strict (even if a monitor interface is present!).
+ * When there is only 1 interface present which is in monitor mode
+ * we should start accepting _all_ frames.
+ */
+ if (is_interface_present(&rt2x00dev->interface)) {
+ rt2x00_set_field32(&reg, RXCSR0_DROP_CRC, 1);
+ rt2x00_set_field32(&reg, RXCSR0_DROP_PHYSICAL, 1);
+ rt2x00_set_field32(&reg, RXCSR0_DROP_CONTROL, 1);
+ rt2x00_set_field32(&reg, RXCSR0_DROP_VERSION_ERROR, 1);
+ } else if (is_monitor_present(&rt2x00dev->interface)) {
+ rt2x00_set_field32(&reg, RXCSR0_DROP_CRC, 0);
+ rt2x00_set_field32(&reg, RXCSR0_DROP_PHYSICAL, 0);
+ rt2x00_set_field32(&reg, RXCSR0_DROP_CONTROL, 0);
+ rt2x00_set_field32(&reg, RXCSR0_DROP_VERSION_ERROR, 0);
+ }
+
+ rt2x00pci_register_write(rt2x00dev, RXCSR0, reg);
+
+ /*
+ * Enable beacon config
+ */
+ rt2x00pci_register_read(rt2x00dev, BCNCSR1, &reg);
+ rt2x00_set_field32(&reg, BCNCSR1_PRELOAD,
+ PREAMBLE + get_duration(IEEE80211_HEADER, 2));
+ rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg);
+
+ /*
+ * Enable synchronisation.
+ */
+ rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
+ if (is_interface_present(&rt2x00dev->interface)) {
+ rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 1);
+ rt2x00_set_field32(&reg, CSR14_TBCN, 1);
+ }
+
+ rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
+ if (type == IEEE80211_IF_TYPE_IBSS || type == IEEE80211_IF_TYPE_AP)
+ rt2x00_set_field32(&reg, CSR14_TSF_SYNC, 2);
+ else if (type == IEEE80211_IF_TYPE_STA)
+ rt2x00_set_field32(&reg, CSR14_TSF_SYNC, 1);
+ else if (is_monitor_present(&rt2x00dev->interface) &&
+ !is_interface_present(&rt2x00dev->interface))
+ rt2x00_set_field32(&reg, CSR14_TSF_SYNC, 0);
+
+ rt2x00pci_register_write(rt2x00dev, CSR14, reg);
+}
+
+static void rt2400pci_config_rate(struct rt2x00_dev *rt2x00dev, const int rate)
+{
+ struct ieee80211_conf *conf = &rt2x00dev->hw->conf;
+ u32 reg;
+ u32 preamble;
+ u16 value;
+
+ if (DEVICE_GET_RATE_FIELD(rate, PREAMBLE))
+ preamble = SHORT_PREAMBLE;
+ else
+ preamble = PREAMBLE;
+
+ reg = DEVICE_GET_RATE_FIELD(rate, RATEMASK) & DEV_BASIC_RATEMASK;
+ rt2x00pci_register_write(rt2x00dev, ARCSR1, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXCSR1, &reg);
+ value = ((conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME) ?
+ SHORT_DIFS : DIFS) +
+ PLCP + preamble + get_duration(ACK_SIZE, 10);
+ rt2x00_set_field32(&reg, TXCSR1_ACK_TIMEOUT, value);
+ value = SIFS + PLCP + preamble + get_duration(ACK_SIZE, 10);
+ rt2x00_set_field32(&reg, TXCSR1_ACK_CONSUME_TIME, value);
+ rt2x00pci_register_write(rt2x00dev, TXCSR1, reg);
+
+ preamble = DEVICE_GET_RATE_FIELD(rate, PREAMBLE) ? 0x08 : 0x00;
+
+ rt2x00pci_register_read(rt2x00dev, ARCSR2, &reg);
+ rt2x00_set_field32(&reg, ARCSR2_SIGNAL, 0x00 | preamble);
+ rt2x00_set_field32(&reg, ARCSR2_SERVICE, 0x04);
+ rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 10));
+ rt2x00pci_register_write(rt2x00dev, ARCSR2, reg);
+
+ rt2x00pci_register_read(rt2x00dev, ARCSR3, &reg);
+ rt2x00_set_field32(&reg, ARCSR3_SIGNAL, 0x01 | preamble);
+ rt2x00_set_field32(&reg, ARCSR3_SERVICE, 0x04);
+ rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 20));
+ rt2x00pci_register_write(rt2x00dev, ARCSR3, reg);
+
+ rt2x00pci_register_read(rt2x00dev, ARCSR4, &reg);
+ rt2x00_set_field32(&reg, ARCSR4_SIGNAL, 0x02 | preamble);
+ rt2x00_set_field32(&reg, ARCSR4_SERVICE, 0x04);
+ rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 55));
+ rt2x00pci_register_write(rt2x00dev, ARCSR4, reg);
+
+ rt2x00pci_register_read(rt2x00dev, ARCSR5, &reg);
+ rt2x00_set_field32(&reg, ARCSR5_SIGNAL, 0x03 | preamble);
+ rt2x00_set_field32(&reg, ARCSR5_SERVICE, 0x84);
+ rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 110));
+ rt2x00pci_register_write(rt2x00dev, ARCSR5, reg);
+}
+
+static void rt2400pci_config_phymode(struct rt2x00_dev *rt2x00dev,
+ const int phymode)
+{
+ struct ieee80211_hw_mode *mode;
+ struct ieee80211_rate *rate;
+
+ rt2x00dev->curr_hwmode = HWMODE_B;
+
+ mode = &rt2x00dev->hwmodes[rt2x00dev->curr_hwmode];
+ rate = &mode->rates[mode->num_rates - 1];
+
+ rt2400pci_config_rate(rt2x00dev, rate->val2);
+}
+
+static void rt2400pci_config_channel(struct rt2x00_dev *rt2x00dev,
+ const int index, const int channel)
+{
+ struct rf_channel reg;
+
+ /*
+ * Fill rf_reg structure.
+ */
+ memcpy(&reg, &rt2x00dev->spec.channels[index], sizeof(reg));
+
+ /*
+ * Switch on tuning bits.
+ */
+ rt2x00_set_field32(&reg.rf1, RF1_TUNER, 1);
+ rt2x00_set_field32(&reg.rf3, RF3_TUNER, 1);
+
+ rt2400pci_rf_write(rt2x00dev, 1, reg.rf1);
+ rt2400pci_rf_write(rt2x00dev, 2, reg.rf2);
+ rt2400pci_rf_write(rt2x00dev, 3, reg.rf3);
+
+ /*
+ * RF2420 chipset don't need any additional actions.
+ */
+ if (rt2x00_rf(&rt2x00dev->chip, RF2420))
+ return;
+
+ /*
+ * For the RT2421 chipsets we need to write an invalid
+ * reference clock rate to activate auto_tune.
+ * After that we set the value back to the correct channel.
+ */
+ rt2400pci_rf_write(rt2x00dev, 1, reg.rf1);
+ rt2400pci_rf_write(rt2x00dev, 2, 0x000c2a32);
+ rt2400pci_rf_write(rt2x00dev, 3, reg.rf3);
+
+ msleep(1);
+
+ rt2400pci_rf_write(rt2x00dev, 1, reg.rf1);
+ rt2400pci_rf_write(rt2x00dev, 2, reg.rf2);
+ rt2400pci_rf_write(rt2x00dev, 3, reg.rf3);
+
+ msleep(1);
+
+ /*
+ * Switch off tuning bits.
+ */
+ rt2x00_set_field32(&reg.rf1, RF1_TUNER, 0);
+ rt2x00_set_field32(&reg.rf3, RF3_TUNER, 0);
+
+ rt2400pci_rf_write(rt2x00dev, 1, reg.rf1);
+ rt2400pci_rf_write(rt2x00dev, 3, reg.rf3);
+
+ /*
+ * Clear false CRC during channel switch.
+ */
+ rt2x00pci_register_read(rt2x00dev, CNT0, &reg.rf1);
+}
+
+static void rt2400pci_config_txpower(struct rt2x00_dev *rt2x00dev, int txpower)
+{
+ rt2400pci_bbp_write(rt2x00dev, 3, TXPOWER_TO_DEV(txpower));
+}
+
+static void rt2400pci_config_antenna(struct rt2x00_dev *rt2x00dev,
+ int antenna_tx, int antenna_rx)
+{
+ u8 r1;
+ u8 r4;
+
+ rt2400pci_bbp_read(rt2x00dev, 4, &r4);
+ rt2400pci_bbp_read(rt2x00dev, 1, &r1);
+
+ /*
+ * Configure the TX antenna.
+ */
+ switch (antenna_tx) {
+ case ANTENNA_SW_DIVERSITY:
+ case ANTENNA_HW_DIVERSITY:
+ rt2x00_set_field8(&r1, BBP_R1_TX_ANTENNA, 1);
+ break;
+ case ANTENNA_A:
+ rt2x00_set_field8(&r1, BBP_R1_TX_ANTENNA, 0);
+ break;
+ case ANTENNA_B:
+ rt2x00_set_field8(&r1, BBP_R1_TX_ANTENNA, 2);
+ break;
+ }
+
+ /*
+ * Configure the RX antenna.
+ */
+ switch (antenna_rx) {
+ case ANTENNA_SW_DIVERSITY:
+ case ANTENNA_HW_DIVERSITY:
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
+ break;
+ case ANTENNA_A:
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 0);
+ break;
+ case ANTENNA_B:
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
+ break;
+ }
+
+ rt2400pci_bbp_write(rt2x00dev, 4, r4);
+ rt2400pci_bbp_write(rt2x00dev, 1, r1);
+}
+
+static void rt2400pci_config_duration(struct rt2x00_dev *rt2x00dev,
+ int short_slot_time, int beacon_int)
+{
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
+ rt2x00_set_field32(&reg, CSR11_SLOT_TIME,
+ short_slot_time ? SHORT_SLOT_TIME : SLOT_TIME);
+ rt2x00pci_register_write(rt2x00dev, CSR11, reg);
+
+ rt2x00pci_register_read(rt2x00dev, CSR18, &reg);
+ rt2x00_set_field32(&reg, CSR18_SIFS, SIFS);
+ rt2x00_set_field32(&reg, CSR18_PIFS,
+ short_slot_time ? SHORT_PIFS : PIFS);
+ rt2x00pci_register_write(rt2x00dev, CSR18, reg);
+
+ rt2x00pci_register_read(rt2x00dev, CSR19, &reg);
+ rt2x00_set_field32(&reg, CSR19_DIFS,
+ short_slot_time ? SHORT_DIFS : DIFS);
+ rt2x00_set_field32(&reg, CSR19_EIFS, EIFS);
+ rt2x00pci_register_write(rt2x00dev, CSR19, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXCSR1, &reg);
+ rt2x00_set_field32(&reg, TXCSR1_TSF_OFFSET, IEEE80211_HEADER);
+ rt2x00_set_field32(&reg, TXCSR1_AUTORESPONDER, 1);
+ rt2x00pci_register_write(rt2x00dev, TXCSR1, reg);
+
+ rt2x00pci_register_read(rt2x00dev, CSR12, &reg);
+ rt2x00_set_field32(&reg, CSR12_BEACON_INTERVAL, beacon_int * 16);
+ rt2x00_set_field32(&reg, CSR12_CFP_MAX_DURATION, beacon_int * 16);
+ rt2x00pci_register_write(rt2x00dev, CSR12, reg);
+}
+
+static void rt2400pci_config(struct rt2x00_dev *rt2x00dev,
+ const unsigned int flags,
+ struct ieee80211_conf *conf)
+{
+ int short_slot_time = conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME;
+
+ if (flags & CONFIG_UPDATE_PHYMODE)
+ rt2400pci_config_phymode(rt2x00dev, conf->phymode);
+ if (flags & CONFIG_UPDATE_CHANNEL)
+ rt2400pci_config_channel(rt2x00dev, conf->channel_val,
+ conf->channel);
+ if (flags & CONFIG_UPDATE_TXPOWER)
+ rt2400pci_config_txpower(rt2x00dev, conf->power_level);
+ if (flags & CONFIG_UPDATE_ANTENNA)
+ rt2400pci_config_antenna(rt2x00dev, conf->antenna_sel_tx,
+ conf->antenna_sel_rx);
+ if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
+ rt2400pci_config_duration(rt2x00dev, short_slot_time,
+ conf->beacon_int);
+}
+
+static void rt2400pci_config_cw(struct rt2x00_dev *rt2x00dev,
+ struct ieee80211_tx_queue_params *params)
+{
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
+ rt2x00_set_field32(&reg, CSR11_CWMIN, params->cw_min);
+ rt2x00_set_field32(&reg, CSR11_CWMAX, params->cw_max);
+ rt2x00pci_register_write(rt2x00dev, CSR11, reg);
+}
+
+/*
+ * LED functions.
+ */
+static void rt2400pci_enable_led(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, LEDCSR, &reg);
+
+ rt2x00_set_field32(&reg, LEDCSR_ON_PERIOD, 70);
+ rt2x00_set_field32(&reg, LEDCSR_OFF_PERIOD, 30);
+
+ if (rt2x00dev->led_mode == LED_MODE_TXRX_ACTIVITY) {
+ rt2x00_set_field32(&reg, LEDCSR_LINK, 1);
+ rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 0);
+ } else if (rt2x00dev->led_mode == LED_MODE_ASUS) {
+ rt2x00_set_field32(&reg, LEDCSR_LINK, 0);
+ rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 1);
+ } else {
+ rt2x00_set_field32(&reg, LEDCSR_LINK, 1);
+ rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 1);
+ }
+
+ rt2x00pci_register_write(rt2x00dev, LEDCSR, reg);
+}
+
+static void rt2400pci_disable_led(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, LEDCSR, &reg);
+ rt2x00_set_field32(&reg, LEDCSR_LINK, 0);
+ rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 0);
+ rt2x00pci_register_write(rt2x00dev, LEDCSR, reg);
+}
+
+/*
+ * Link tuning
+ */
+static void rt2400pci_link_stats(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+ u8 bbp;
+
+ /*
+ * Update FCS error count from register.
+ */
+ rt2x00pci_register_read(rt2x00dev, CNT0, &reg);
+ rt2x00dev->link.rx_failed = rt2x00_get_field32(reg, CNT0_FCS_ERROR);
+
+ /*
+ * Update False CCA count from register.
+ */
+ rt2400pci_bbp_read(rt2x00dev, 39, &bbp);
+ rt2x00dev->link.false_cca = bbp;
+}
+
+static void rt2400pci_reset_tuner(struct rt2x00_dev *rt2x00dev)
+{
+ rt2400pci_bbp_write(rt2x00dev, 13, 0x08);
+ rt2x00dev->link.vgc_level = 0x08;
+}
+
+static void rt2400pci_link_tuner(struct rt2x00_dev *rt2x00dev)
+{
+ u8 reg;
+
+ /*
+ * The link tuner should not run longer then 60 seconds,
+ * and should run once every 2 seconds.
+ */
+ if (rt2x00dev->link.count > 60 || !(rt2x00dev->link.count & 1))
+ return;
+
+ /*
+ * Base r13 link tuning on the false cca count.
+ */
+ rt2400pci_bbp_read(rt2x00dev, 13, &reg);
+
+ if (rt2x00dev->link.false_cca > 512 && reg < 0x20) {
+ rt2400pci_bbp_write(rt2x00dev, 13, ++reg);
+ rt2x00dev->link.vgc_level = reg;
+ } else if (rt2x00dev->link.false_cca < 100 && reg > 0x08) {
+ rt2400pci_bbp_write(rt2x00dev, 13, --reg);
+ rt2x00dev->link.vgc_level = reg;
+ }
+}
+
+/*
+ * Initialization functions.
+ */
+static void rt2400pci_init_rxring(struct rt2x00_dev *rt2x00dev)
+{
+ struct data_ring *ring = rt2x00dev->rx;
+ struct data_desc *rxd;
+ unsigned int i;
+ u32 word;
+
+ memset(ring->data_addr, 0x00, rt2x00_get_ring_size(ring));
+
+ for (i = 0; i < ring->stats.limit; i++) {
+ rxd = ring->entry[i].priv;
+
+ rt2x00_desc_read(rxd, 2, &word);
+ rt2x00_set_field32(&word, RXD_W2_BUFFER_LENGTH,
+ ring->data_size);
+ rt2x00_desc_write(rxd, 2, word);
+
+ rt2x00_desc_read(rxd, 1, &word);
+ rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS,
+ ring->entry[i].data_dma);
+ rt2x00_desc_write(rxd, 1, word);
+
+ rt2x00_desc_read(rxd, 0, &word);
+ rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
+ rt2x00_desc_write(rxd, 0, word);
+ }
+
+ rt2x00_ring_index_clear(rt2x00dev->rx);
+}
+
+static void rt2400pci_init_txring(struct rt2x00_dev *rt2x00dev, const int queue)
+{
+ struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue);
+ struct data_desc *txd;
+ unsigned int i;
+ u32 word;
+
+ memset(ring->data_addr, 0x00, rt2x00_get_ring_size(ring));
+
+ for (i = 0; i < ring->stats.limit; i++) {
+ txd = ring->entry[i].priv;
+
+ rt2x00_desc_read(txd, 1, &word);
+ rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS,
+ ring->entry[i].data_dma);
+ rt2x00_desc_write(txd, 1, word);
+
+ rt2x00_desc_read(txd, 2, &word);
+ rt2x00_set_field32(&word, TXD_W2_BUFFER_LENGTH,
+ ring->data_size);
+ rt2x00_desc_write(txd, 2, word);
+
+ rt2x00_desc_read(txd, 0, &word);
+ rt2x00_set_field32(&word, TXD_W0_VALID, 0);
+ rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
+ rt2x00_desc_write(txd, 0, word);
+ }
+
+ rt2x00_ring_index_clear(ring);
+}
+
+static int rt2400pci_init_rings(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ /*
+ * Initialize rings.
+ */
+ rt2400pci_init_rxring(rt2x00dev);
+ rt2400pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA0);
+ rt2400pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA1);
+ rt2400pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_AFTER_BEACON);
+ rt2400pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
+
+ /*
+ * Initialize registers.
+ */
+ rt2x00pci_register_read(rt2x00dev, TXCSR2, &reg);
+ rt2x00_set_field32(&reg, TXCSR2_TXD_SIZE,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].desc_size);
+ rt2x00_set_field32(&reg, TXCSR2_NUM_TXD,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA1].stats.limit);
+ rt2x00_set_field32(&reg, TXCSR2_NUM_ATIM,
+ rt2x00dev->bcn[1].stats.limit);
+ rt2x00_set_field32(&reg, TXCSR2_NUM_PRIO,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].stats.limit);
+ rt2x00pci_register_write(rt2x00dev, TXCSR2, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXCSR3, &reg);
+ rt2x00_set_field32(&reg, TXCSR3_TX_RING_REGISTER,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA1].data_dma);
+ rt2x00pci_register_write(rt2x00dev, TXCSR3, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXCSR5, &reg);
+ rt2x00_set_field32(&reg, TXCSR5_PRIO_RING_REGISTER,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].data_dma);
+ rt2x00pci_register_write(rt2x00dev, TXCSR5, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXCSR4, &reg);
+ rt2x00_set_field32(&reg, TXCSR4_ATIM_RING_REGISTER,
+ rt2x00dev->bcn[1].data_dma);
+ rt2x00pci_register_write(rt2x00dev, TXCSR4, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXCSR6, &reg);
+ rt2x00_set_field32(&reg, TXCSR6_BEACON_RING_REGISTER,
+ rt2x00dev->bcn[0].data_dma);
+ rt2x00pci_register_write(rt2x00dev, TXCSR6, reg);
+
+ rt2x00pci_register_read(rt2x00dev, RXCSR1, &reg);
+ rt2x00_set_field32(&reg, RXCSR1_RXD_SIZE, rt2x00dev->rx->desc_size);
+ rt2x00_set_field32(&reg, RXCSR1_NUM_RXD, rt2x00dev->rx->stats.limit);
+ rt2x00pci_register_write(rt2x00dev, RXCSR1, reg);
+
+ rt2x00pci_register_read(rt2x00dev, RXCSR2, &reg);
+ rt2x00_set_field32(&reg, RXCSR2_RX_RING_REGISTER,
+ rt2x00dev->rx->data_dma);
+ rt2x00pci_register_write(rt2x00dev, RXCSR2, reg);
+
+ return 0;
+}
+
+static int rt2400pci_init_registers(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ rt2x00pci_register_write(rt2x00dev, PSCSR0, 0x00020002);
+ rt2x00pci_register_write(rt2x00dev, PSCSR1, 0x00000002);
+ rt2x00pci_register_write(rt2x00dev, PSCSR2, 0x00023f20);
+ rt2x00pci_register_write(rt2x00dev, PSCSR3, 0x00000002);
+
+ rt2x00pci_register_read(rt2x00dev, TIMECSR, &reg);
+ rt2x00_set_field32(&reg, TIMECSR_US_COUNT, 33);
+ rt2x00_set_field32(&reg, TIMECSR_US_64_COUNT, 63);
+ rt2x00_set_field32(&reg, TIMECSR_BEACON_EXPECT, 0);
+ rt2x00pci_register_write(rt2x00dev, TIMECSR, reg);
+
+ rt2x00pci_register_read(rt2x00dev, CSR9, &reg);
+ rt2x00_set_field32(&reg, CSR9_MAX_FRAME_UNIT,
+ (rt2x00dev->rx->data_size / 128));
+ rt2x00pci_register_write(rt2x00dev, CSR9, reg);
+
+ rt2x00pci_register_write(rt2x00dev, CNT3, 0x3f080000);
+
+ rt2x00pci_register_read(rt2x00dev, ARCSR0, &reg);
+ rt2x00_set_field32(&reg, ARCSR0_AR_BBP_DATA0, 133);
+ rt2x00_set_field32(&reg, ARCSR0_AR_BBP_ID0, 134);
+ rt2x00_set_field32(&reg, ARCSR0_AR_BBP_DATA1, 136);
+ rt2x00_set_field32(&reg, ARCSR0_AR_BBP_ID1, 135);
+ rt2x00pci_register_write(rt2x00dev, ARCSR0, reg);
+
+ rt2x00pci_register_read(rt2x00dev, RXCSR3, &reg);
+ rt2x00_set_field32(&reg, RXCSR3_BBP_ID0, 3); /* Tx power.*/
+ rt2x00_set_field32(&reg, RXCSR3_BBP_ID0_VALID, 1);
+ rt2x00_set_field32(&reg, RXCSR3_BBP_ID1, 32); /* Signal */
+ rt2x00_set_field32(&reg, RXCSR3_BBP_ID1_VALID, 1);
+ rt2x00_set_field32(&reg, RXCSR3_BBP_ID2, 36); /* Rssi */
+ rt2x00_set_field32(&reg, RXCSR3_BBP_ID2_VALID, 1);
+ rt2x00pci_register_write(rt2x00dev, RXCSR3, reg);
+
+ rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0x3f3b3100);
+
+ if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
+ return -EBUSY;
+
+ rt2x00pci_register_write(rt2x00dev, MACCSR0, 0x00217223);
+ rt2x00pci_register_write(rt2x00dev, MACCSR1, 0x00235518);
+
+ rt2x00pci_register_read(rt2x00dev, MACCSR2, &reg);
+ rt2x00_set_field32(&reg, MACCSR2_DELAY, 64);
+ rt2x00pci_register_write(rt2x00dev, MACCSR2, reg);
+
+ rt2x00pci_register_read(rt2x00dev, RALINKCSR, &reg);
+ rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_DATA0, 17);
+ rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_ID0, 154);
+ rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_DATA1, 0);
+ rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_ID1, 154);
+ rt2x00pci_register_write(rt2x00dev, RALINKCSR, reg);
+
+ rt2x00pci_register_read(rt2x00dev, CSR1, &reg);
+ rt2x00_set_field32(&reg, CSR1_SOFT_RESET, 1);
+ rt2x00_set_field32(&reg, CSR1_BBP_RESET, 0);
+ rt2x00_set_field32(&reg, CSR1_HOST_READY, 0);
+ rt2x00pci_register_write(rt2x00dev, CSR1, reg);
+
+ rt2x00pci_register_read(rt2x00dev, CSR1, &reg);
+ rt2x00_set_field32(&reg, CSR1_SOFT_RESET, 0);
+ rt2x00_set_field32(&reg, CSR1_HOST_READY, 1);
+ rt2x00pci_register_write(rt2x00dev, CSR1, reg);
+
+ /*
+ * We must clear the FCS and FIFO error count.
+ * These registers are cleared on read,
+ * so we may pass a useless variable to store the value.
+ */
+ rt2x00pci_register_read(rt2x00dev, CNT0, &reg);
+ rt2x00pci_register_read(rt2x00dev, CNT4, &reg);
+
+ return 0;
+}
+
+static int rt2400pci_init_bbp(struct rt2x00_dev *rt2x00dev)
+{
+ unsigned int i;
+ u16 eeprom;
+ u8 reg_id;
+ u8 value;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt2400pci_bbp_read(rt2x00dev, 0, &value);
+ if ((value != 0xff) && (value != 0x00))
+ goto continue_csr_init;
+ NOTICE(rt2x00dev, "Waiting for BBP register.\n");
+ udelay(REGISTER_BUSY_DELAY);
+ }
+
+ ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
+ return -EACCES;
+
+continue_csr_init:
+ rt2400pci_bbp_write(rt2x00dev, 1, 0x00);
+ rt2400pci_bbp_write(rt2x00dev, 3, 0x27);
+ rt2400pci_bbp_write(rt2x00dev, 4, 0x08);
+ rt2400pci_bbp_write(rt2x00dev, 10, 0x0f);
+ rt2400pci_bbp_write(rt2x00dev, 15, 0x72);
+ rt2400pci_bbp_write(rt2x00dev, 16, 0x74);
+ rt2400pci_bbp_write(rt2x00dev, 17, 0x20);
+ rt2400pci_bbp_write(rt2x00dev, 18, 0x72);
+ rt2400pci_bbp_write(rt2x00dev, 19, 0x0b);
+ rt2400pci_bbp_write(rt2x00dev, 20, 0x00);
+ rt2400pci_bbp_write(rt2x00dev, 28, 0x11);
+ rt2400pci_bbp_write(rt2x00dev, 29, 0x04);
+ rt2400pci_bbp_write(rt2x00dev, 30, 0x21);
+ rt2400pci_bbp_write(rt2x00dev, 31, 0x00);
+
+ DEBUG(rt2x00dev, "Start initialization from EEPROM...\n");
+ for (i = 0; i < EEPROM_BBP_SIZE; i++) {
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
+
+ if (eeprom != 0xffff && eeprom != 0x0000) {
+ reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
+ value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
+ DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n",
+ reg_id, value);
+ rt2400pci_bbp_write(rt2x00dev, reg_id, value);
+ }
+ }
+ DEBUG(rt2x00dev, "...End initialization from EEPROM.\n");
+
+ return 0;
+}
+
+/*
+ * Device state switch handlers.
+ */
+static void rt2400pci_toggle_rx(struct rt2x00_dev *rt2x00dev,
+ enum dev_state state)
+{
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, RXCSR0, &reg);
+ rt2x00_set_field32(&reg, RXCSR0_DISABLE_RX,
+ state == STATE_RADIO_RX_OFF);
+ rt2x00pci_register_write(rt2x00dev, RXCSR0, reg);
+}
+
+static void rt2400pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
+ enum dev_state state)
+{
+ int mask = (state == STATE_RADIO_IRQ_OFF);
+ u32 reg;
+
+ /*
+ * When interrupts are being enabled, the interrupt registers
+ * should clear the register to assure a clean state.
+ */
+ if (state == STATE_RADIO_IRQ_ON) {
+ rt2x00pci_register_read(rt2x00dev, CSR7, &reg);
+ rt2x00pci_register_write(rt2x00dev, CSR7, reg);
+ }
+
+ /*
+ * Only toggle the interrupts bits we are going to use.
+ * Non-checked interrupt bits are disabled by default.
+ */
+ rt2x00pci_register_read(rt2x00dev, CSR8, &reg);
+ rt2x00_set_field32(&reg, CSR8_TBCN_EXPIRE, mask);
+ rt2x00_set_field32(&reg, CSR8_TXDONE_TXRING, mask);
+ rt2x00_set_field32(&reg, CSR8_TXDONE_ATIMRING, mask);
+ rt2x00_set_field32(&reg, CSR8_TXDONE_PRIORING, mask);
+ rt2x00_set_field32(&reg, CSR8_RXDONE, mask);
+ rt2x00pci_register_write(rt2x00dev, CSR8, reg);
+}
+
+static int rt2400pci_enable_radio(struct rt2x00_dev *rt2x00dev)
+{
+ /*
+ * Initialize all registers.
+ */
+ if (rt2400pci_init_rings(rt2x00dev) ||
+ rt2400pci_init_registers(rt2x00dev) ||
+ rt2400pci_init_bbp(rt2x00dev)) {
+ ERROR(rt2x00dev, "Register initialization failed.\n");
+ return -EIO;
+ }
+
+ /*
+ * Enable interrupts.
+ */
+ rt2400pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_ON);
+
+ /*
+ * Enable LED
+ */
+ rt2400pci_enable_led(rt2x00dev);
+
+ return 0;
+}
+
+static void rt2400pci_disable_radio(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ /*
+ * Disable LED
+ */
+ rt2400pci_disable_led(rt2x00dev);
+
+ rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0);
+
+ /*
+ * Disable synchronisation.
+ */
+ rt2x00pci_register_write(rt2x00dev, CSR14, 0);
+
+ /*
+ * Cancel RX and TX.
+ */
+ rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
+ rt2x00_set_field32(&reg, TXCSR0_ABORT, 1);
+ rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
+
+ /*
+ * Disable interrupts.
+ */
+ rt2400pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_OFF);
+}
+
+static int rt2400pci_set_state(struct rt2x00_dev *rt2x00dev,
+ enum dev_state state)
+{
+ u32 reg;
+ unsigned int i;
+ char put_to_sleep;
+ char bbp_state;
+ char rf_state;
+
+ put_to_sleep = (state != STATE_AWAKE);
+
+ rt2x00pci_register_read(rt2x00dev, PWRCSR1, &reg);
+ rt2x00_set_field32(&reg, PWRCSR1_SET_STATE, 1);
+ rt2x00_set_field32(&reg, PWRCSR1_BBP_DESIRE_STATE, state);
+ rt2x00_set_field32(&reg, PWRCSR1_RF_DESIRE_STATE, state);
+ rt2x00_set_field32(&reg, PWRCSR1_PUT_TO_SLEEP, put_to_sleep);
+ rt2x00pci_register_write(rt2x00dev, PWRCSR1, reg);
+
+ /*
+ * Device is not guaranteed to be in the requested state yet.
+ * We must wait until the register indicates that the
+ * device has entered the correct state.
+ */
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt2x00pci_register_read(rt2x00dev, PWRCSR1, &reg);
+ bbp_state = rt2x00_get_field32(reg, PWRCSR1_BBP_CURR_STATE);
+ rf_state = rt2x00_get_field32(reg, PWRCSR1_RF_CURR_STATE);
+ if (bbp_state == state && rf_state == state)
+ return 0;
+ msleep(10);
+ }
+
+ NOTICE(rt2x00dev, "Device failed to enter state %d, "
+ "current device state: bbp %d and rf %d.\n",
+ state, bbp_state, rf_state);
+
+ return -EBUSY;
+}
+
+static int rt2400pci_set_device_state(struct rt2x00_dev *rt2x00dev,
+ enum dev_state state)
+{
+ int retval = 0;
+
+ switch (state) {
+ case STATE_RADIO_ON:
+ retval = rt2400pci_enable_radio(rt2x00dev);
+ break;
+ case STATE_RADIO_OFF:
+ rt2400pci_disable_radio(rt2x00dev);
+ break;
+ case STATE_RADIO_RX_ON:
+ case STATE_RADIO_RX_OFF:
+ rt2400pci_toggle_rx(rt2x00dev, state);
+ break;
+ case STATE_DEEP_SLEEP:
+ case STATE_SLEEP:
+ case STATE_STANDBY:
+ case STATE_AWAKE:
+ retval = rt2400pci_set_state(rt2x00dev, state);
+ break;
+ default:
+ retval = -ENOTSUPP;
+ break;
+ }
+
+ return retval;
+}
+
+/*
+ * TX descriptor initialization
+ */
+static void rt2400pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
+ struct data_desc *txd,
+ struct data_entry_desc *desc,
+ struct ieee80211_hdr *ieee80211hdr,
+ unsigned int length,
+ struct ieee80211_tx_control *control)
+{
+ u32 word;
+ u32 signal = 0;
+ u32 service = 0;
+ u32 length_high = 0;
+ u32 length_low = 0;
+
+ /*
+ * The PLCP values should be treated as if they
+ * were BBP values.
+ */
+ rt2x00_set_field32(&signal, BBPCSR_VALUE, desc->signal);
+ rt2x00_set_field32(&signal, BBPCSR_REGNUM, 5);
+ rt2x00_set_field32(&signal, BBPCSR_BUSY, 1);
+
+ rt2x00_set_field32(&service, BBPCSR_VALUE, desc->service);
+ rt2x00_set_field32(&service, BBPCSR_REGNUM, 6);
+ rt2x00_set_field32(&service, BBPCSR_BUSY, 1);
+
+ rt2x00_set_field32(&length_high, BBPCSR_VALUE, desc->length_high);
+ rt2x00_set_field32(&length_high, BBPCSR_REGNUM, 7);
+ rt2x00_set_field32(&length_high, BBPCSR_BUSY, 1);
+
+ rt2x00_set_field32(&length_low, BBPCSR_VALUE, desc->length_low);
+ rt2x00_set_field32(&length_low, BBPCSR_REGNUM, 8);
+ rt2x00_set_field32(&length_low, BBPCSR_BUSY, 1);
+
+ /*
+ * Start writing the descriptor words.
+ */
+ rt2x00_desc_read(txd, 2, &word);
+ rt2x00_set_field32(&word, TXD_W2_DATABYTE_COUNT, length);
+ rt2x00_desc_write(txd, 2, word);
+
+ rt2x00_desc_read(txd, 3, &word);
+ rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL, signal);
+ rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE, service);
+ rt2x00_desc_write(txd, 3, word);
+
+ rt2x00_desc_read(txd, 4, &word);
+ rt2x00_set_field32(&word, TXD_W4_PLCP_LENGTH_LOW, length_low);
+ rt2x00_set_field32(&word, TXD_W4_PLCP_LENGTH_HIGH, length_high);
+ rt2x00_desc_write(txd, 4, word);
+
+ rt2x00_desc_read(txd, 0, &word);
+ rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1);
+ rt2x00_set_field32(&word, TXD_W0_VALID, 1);
+ rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
+ test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags));
+ rt2x00_set_field32(&word, TXD_W0_ACK,
+ !(control->flags & IEEE80211_TXCTL_NO_ACK));
+ rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
+ test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags));
+ rt2x00_set_field32(&word, TXD_W0_RTS,
+ test_bit(ENTRY_TXD_RTS_FRAME, &desc->flags));
+ rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs);
+ rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
+ !!(control->flags &
+ IEEE80211_TXCTL_LONG_RETRY_LIMIT));
+ rt2x00_desc_write(txd, 0, word);
+}
+
+/*
+ * TX data initialization
+ */
+static void rt2400pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
+ unsigned int queue)
+{
+ u32 reg;
+
+ if (queue == IEEE80211_TX_QUEUE_BEACON) {
+ rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
+ if (!rt2x00_get_field32(reg, CSR14_BEACON_GEN)) {
+ rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 1);
+ rt2x00pci_register_write(rt2x00dev, CSR14, reg);
+ }
+ return;
+ }
+
+ rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
+ if (queue == IEEE80211_TX_QUEUE_DATA0)
+ rt2x00_set_field32(&reg, TXCSR0_KICK_PRIO, 1);
+ else if (queue == IEEE80211_TX_QUEUE_DATA1)
+ rt2x00_set_field32(&reg, TXCSR0_KICK_TX, 1);
+ else if (queue == IEEE80211_TX_QUEUE_AFTER_BEACON)
+ rt2x00_set_field32(&reg, TXCSR0_KICK_ATIM, 1);
+ rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
+}
+
+/*
+ * RX control handlers
+ */
+static int rt2400pci_fill_rxdone(struct data_entry *entry,
+ int *signal, int *rssi, int *ofdm, int *size)
+{
+ struct data_desc *rxd = entry->priv;
+ u32 word0;
+ u32 word2;
+
+ rt2x00_desc_read(rxd, 0, &word0);
+ rt2x00_desc_read(rxd, 2, &word2);
+
+ if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR) ||
+ rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
+ return -EINVAL;
+
+ /*
+ * Obtain the status about this packet.
+ */
+ *signal = rt2x00_get_field32(word2, RXD_W2_SIGNAL);
+ *rssi = rt2x00_get_field32(word2, RXD_W2_RSSI) -
+ entry->ring->rt2x00dev->rssi_offset;
+ *ofdm = 0;
+ *size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
+
+ return 0;
+}
+
+/*
+ * Interrupt functions.
+ */
+static void rt2400pci_txdone(struct rt2x00_dev *rt2x00dev, const int queue)
+{
+ struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue);
+ struct data_entry *entry;
+ struct data_desc *txd;
+ u32 word;
+ int tx_status;
+ int retry;
+
+ while (!rt2x00_ring_empty(ring)) {
+ entry = rt2x00_get_data_entry_done(ring);
+ txd = entry->priv;
+ rt2x00_desc_read(txd, 0, &word);
+
+ if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
+ !rt2x00_get_field32(word, TXD_W0_VALID))
+ break;
+
+ /*
+ * Obtain the status about this packet.
+ */
+ tx_status = rt2x00_get_field32(word, TXD_W0_RESULT);
+ retry = rt2x00_get_field32(word, TXD_W0_RETRY_COUNT);
+
+ rt2x00lib_txdone(entry, tx_status, retry);
+
+ /*
+ * Make this entry available for reuse.
+ */
+ entry->flags = 0;
+ rt2x00_set_field32(&word, TXD_W0_VALID, 0);
+ rt2x00_desc_write(txd, 0, word);
+ rt2x00_ring_index_done_inc(ring);
+ }
+
+ /*
+ * If the data ring was full before the txdone handler
+ * we must make sure the packet queue in the mac80211 stack
+ * is reenabled when the txdone handler has finished.
+ */
+ entry = ring->entry;
+ if (!rt2x00_ring_full(ring))
+ ieee80211_wake_queue(rt2x00dev->hw,
+ entry->tx_status.control.queue);
+}
+
+static irqreturn_t rt2400pci_interrupt(int irq, void *dev_instance)
+{
+ struct rt2x00_dev *rt2x00dev = dev_instance;
+ u32 reg;
+
+ /*
+ * Get the interrupt sources & saved to local variable.
+ * Write register value back to clear pending interrupts.
+ */
+ rt2x00pci_register_read(rt2x00dev, CSR7, &reg);
+ rt2x00pci_register_write(rt2x00dev, CSR7, reg);
+
+ if (!reg)
+ return IRQ_NONE;
+
+ if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+ return IRQ_HANDLED;
+
+ /*
+ * Handle interrupts, walk through all bits
+ * and run the tasks, the bits are checked in order of
+ * priority.
+ */
+
+ /*
+ * 1 - Beacon timer expired interrupt.
+ */
+ if (rt2x00_get_field32(reg, CSR7_TBCN_EXPIRE))
+ rt2x00lib_beacondone(rt2x00dev);
+
+ /*
+ * 2 - Rx ring done interrupt.
+ */
+ if (rt2x00_get_field32(reg, CSR7_RXDONE))
+ rt2x00pci_rxdone(rt2x00dev);
+
+ /*
+ * 3 - Atim ring transmit done interrupt.
+ */
+ if (rt2x00_get_field32(reg, CSR7_TXDONE_ATIMRING))
+ rt2400pci_txdone(rt2x00dev, IEEE80211_TX_QUEUE_AFTER_BEACON);
+
+ /*
+ * 4 - Priority ring transmit done interrupt.
+ */
+ if (rt2x00_get_field32(reg, CSR7_TXDONE_PRIORING))
+ rt2400pci_txdone(rt2x00dev, IEEE80211_TX_QUEUE_DATA0);
+
+ /*
+ * 5 - Tx ring transmit done interrupt.
+ */
+ if (rt2x00_get_field32(reg, CSR7_TXDONE_TXRING))
+ rt2400pci_txdone(rt2x00dev, IEEE80211_TX_QUEUE_DATA1);
+
+ return IRQ_HANDLED;
+}
+
+/*
+ * Device probe functions.
+ */
+static int rt2400pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+ struct eeprom_93cx6 eeprom;
+ u32 reg;
+ u16 word;
+ u8 *mac;
+
+ rt2x00pci_register_read(rt2x00dev, CSR21, &reg);
+
+ eeprom.data = rt2x00dev;
+ eeprom.register_read = rt2400pci_eepromregister_read;
+ eeprom.register_write = rt2400pci_eepromregister_write;
+ eeprom.width = rt2x00_get_field32(reg, CSR21_TYPE_93C46) ?
+ PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66;
+ eeprom.reg_data_in = 0;
+ eeprom.reg_data_out = 0;
+ eeprom.reg_data_clock = 0;
+ eeprom.reg_chip_select = 0;
+
+ eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
+ EEPROM_SIZE / sizeof(u16));
+
+ /*
+ * Start validation of the data that has been read.
+ */
+ mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
+ if (!is_valid_ether_addr(mac)) {
+ random_ether_addr(mac);
+ EEPROM(rt2x00dev, "MAC: " MAC_FMT "\n", MAC_ARG(mac));
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
+ if (word == 0xffff) {
+ ERROR(rt2x00dev, "Invalid EEPROM data detected.\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int rt2400pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+ u16 value;
+ u16 eeprom;
+
+ /*
+ * Read EEPROM word for configuration.
+ */
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
+
+ /*
+ * Identify RF chipset.
+ */
+ value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
+ rt2x00pci_register_read(rt2x00dev, CSR0, &reg);
+ rt2x00_set_chip(rt2x00dev, RT2460, value, reg);
+
+ if (!rt2x00_rf(&rt2x00dev->chip, RF2420) &&
+ !rt2x00_rf(&rt2x00dev->chip, RF2421)) {
+ ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
+ return -ENODEV;
+ }
+
+ /*
+ * Identify default antenna configuration.
+ */
+ rt2x00dev->hw->conf.antenna_sel_tx =
+ rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
+ rt2x00dev->hw->conf.antenna_sel_rx =
+ rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
+
+ /*
+ * Store led mode, for correct led behaviour.
+ */
+ rt2x00dev->led_mode =
+ rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
+
+ /*
+ * Detect if this device has an hardware controlled radio.
+ */
+ if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
+ __set_bit(DEVICE_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
+
+ /*
+ * Check if the BBP tuning should be enabled.
+ */
+ if (!rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_AGCVGC_TUNING))
+ __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
+
+ return 0;
+}
+
+/*
+ * RF value list for RF2420 & RF2421
+ * Supports: 2.4 GHz
+ */
+static const struct rf_channel rf_vals_bg[] = {
+ { 1, 0x00022058, 0x000c1fda, 0x00000101, 0 },
+ { 2, 0x00022058, 0x000c1fee, 0x00000101, 0 },
+ { 3, 0x00022058, 0x000c2002, 0x00000101, 0 },
+ { 4, 0x00022058, 0x000c2016, 0x00000101, 0 },
+ { 5, 0x00022058, 0x000c202a, 0x00000101, 0 },
+ { 6, 0x00022058, 0x000c203e, 0x00000101, 0 },
+ { 7, 0x00022058, 0x000c2052, 0x00000101, 0 },
+ { 8, 0x00022058, 0x000c2066, 0x00000101, 0 },
+ { 9, 0x00022058, 0x000c207a, 0x00000101, 0 },
+ { 10, 0x00022058, 0x000c208e, 0x00000101, 0 },
+ { 11, 0x00022058, 0x000c20a2, 0x00000101, 0 },
+ { 12, 0x00022058, 0x000c20b6, 0x00000101, 0 },
+ { 13, 0x00022058, 0x000c20ca, 0x00000101, 0 },
+ { 14, 0x00022058, 0x000c20fa, 0x00000101, 0 },
+};
+
+static void rt2400pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
+{
+ struct hw_mode_spec *spec = &rt2x00dev->spec;
+ u8 *txpower;
+ unsigned int i;
+
+ /*
+ * Initialize all hw fields.
+ */
+ rt2x00dev->hw->flags =
+ IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+ IEEE80211_HW_MONITOR_DURING_OPER |
+ IEEE80211_HW_NO_PROBE_FILTERING;
+ rt2x00dev->hw->extra_tx_headroom = 0;
+ rt2x00dev->hw->max_signal = MAX_SIGNAL;
+ rt2x00dev->hw->max_rssi = MAX_RX_SSI;
+ rt2x00dev->hw->queues = 2;
+
+ SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_pci(rt2x00dev)->dev);
+ SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
+ rt2x00_eeprom_addr(rt2x00dev,
+ EEPROM_MAC_ADDR_0));
+
+ /*
+ * Convert tx_power array in eeprom.
+ */
+ txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
+ for (i = 0; i < 14; i++)
+ txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
+
+ /*
+ * Initialize hw_mode information.
+ */
+ spec->num_modes = 1;
+ spec->num_rates = 4;
+ spec->tx_power_a = NULL;
+ spec->tx_power_bg = txpower;
+ spec->tx_power_default = DEFAULT_TXPOWER;
+
+ spec->num_channels = ARRAY_SIZE(rf_vals_bg);
+ spec->channels = rf_vals_bg;
+}
+
+static int rt2400pci_probe_hw(struct rt2x00_dev *rt2x00dev)
+{
+ int retval;
+
+ /*
+ * Allocate eeprom data.
+ */
+ retval = rt2400pci_validate_eeprom(rt2x00dev);
+ if (retval)
+ return retval;
+
+ retval = rt2400pci_init_eeprom(rt2x00dev);
+ if (retval)
+ return retval;
+
+ /*
+ * Initialize hw specifications.
+ */
+ rt2400pci_probe_hw_mode(rt2x00dev);
+
+ /*
+ * This device requires the beacon ring
+ */
+ __set_bit(REQUIRE_BEACON_RING, &rt2x00dev->flags);
+
+ /*
+ * Set the rssi offset.
+ */
+ rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
+
+ return 0;
+}
+
+/*
+ * IEEE80211 stack callback functions.
+ */
+static int rt2400pci_set_retry_limit(struct ieee80211_hw *hw,
+ u32 short_retry, u32 long_retry)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
+ rt2x00_set_field32(&reg, CSR11_LONG_RETRY, long_retry);
+ rt2x00_set_field32(&reg, CSR11_SHORT_RETRY, short_retry);
+ rt2x00pci_register_write(rt2x00dev, CSR11, reg);
+
+ return 0;
+}
+
+static int rt2400pci_conf_tx(struct ieee80211_hw *hw,
+ int queue,
+ const struct ieee80211_tx_queue_params *params)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+
+ /*
+ * We don't support variating cw_min and cw_max variables
+ * per queue. So by default we only configure the TX queue,
+ * and ignore all other configurations.
+ */
+ if (queue != IEEE80211_TX_QUEUE_DATA0)
+ return -EINVAL;
+
+ if (rt2x00mac_conf_tx(hw, queue, params))
+ return -EINVAL;
+
+ /*
+ * Write configuration to register.
+ */
+ rt2400pci_config_cw(rt2x00dev, &rt2x00dev->tx->tx_params);
+
+ return 0;
+}
+
+static u64 rt2400pci_get_tsf(struct ieee80211_hw *hw)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ u64 tsf;
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, CSR17, &reg);
+ tsf = (u64) rt2x00_get_field32(reg, CSR17_HIGH_TSFTIMER) << 32;
+ rt2x00pci_register_read(rt2x00dev, CSR16, &reg);
+ tsf |= rt2x00_get_field32(reg, CSR16_LOW_TSFTIMER);
+
+ return tsf;
+}
+
+static void rt2400pci_reset_tsf(struct ieee80211_hw *hw)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+
+ rt2x00pci_register_write(rt2x00dev, CSR16, 0);
+ rt2x00pci_register_write(rt2x00dev, CSR17, 0);
+}
+
+static int rt2400pci_tx_last_beacon(struct ieee80211_hw *hw)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, CSR15, &reg);
+ return rt2x00_get_field32(reg, CSR15_BEACON_SENT);
+}
+
+static const struct ieee80211_ops rt2400pci_mac80211_ops = {
+ .tx = rt2x00mac_tx,
+ .add_interface = rt2x00mac_add_interface,
+ .remove_interface = rt2x00mac_remove_interface,
+ .config = rt2x00mac_config,
+ .config_interface = rt2x00mac_config_interface,
+ .set_multicast_list = rt2x00mac_set_multicast_list,
+ .get_stats = rt2x00mac_get_stats,
+ .set_retry_limit = rt2400pci_set_retry_limit,
+ .conf_tx = rt2400pci_conf_tx,
+ .get_tx_stats = rt2x00mac_get_tx_stats,
+ .get_tsf = rt2400pci_get_tsf,
+ .reset_tsf = rt2400pci_reset_tsf,
+ .beacon_update = rt2x00pci_beacon_update,
+ .tx_last_beacon = rt2400pci_tx_last_beacon,
+};
+
+static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = {
+ .irq_handler = rt2400pci_interrupt,
+ .probe_hw = rt2400pci_probe_hw,
+ .initialize = rt2x00pci_initialize,
+ .uninitialize = rt2x00pci_uninitialize,
+ .set_device_state = rt2400pci_set_device_state,
+#ifdef CONFIG_RT2400PCI_RFKILL
+ .rfkill_poll = rt2400pci_rfkill_poll,
+#endif /* CONFIG_RT2400PCI_RFKILL */
+ .link_stats = rt2400pci_link_stats,
+ .reset_tuner = rt2400pci_reset_tuner,
+ .link_tuner = rt2400pci_link_tuner,
+ .write_tx_desc = rt2400pci_write_tx_desc,
+ .write_tx_data = rt2x00pci_write_tx_data,
+ .kick_tx_queue = rt2400pci_kick_tx_queue,
+ .fill_rxdone = rt2400pci_fill_rxdone,
+ .config_mac_addr = rt2400pci_config_mac_addr,
+ .config_bssid = rt2400pci_config_bssid,
+ .config_packet_filter = rt2400pci_config_packet_filter,
+ .config_type = rt2400pci_config_type,
+ .config = rt2400pci_config,
+};
+
+static const struct rt2x00_ops rt2400pci_ops = {
+ .name = DRV_NAME,
+ .rxd_size = RXD_DESC_SIZE,
+ .txd_size = TXD_DESC_SIZE,
+ .eeprom_size = EEPROM_SIZE,
+ .rf_size = RF_SIZE,
+ .lib = &rt2400pci_rt2x00_ops,
+ .hw = &rt2400pci_mac80211_ops,
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+ .debugfs = &rt2400pci_rt2x00debug,
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+};
+
+/*
+ * RT2400pci module information.
+ */
+static struct pci_device_id rt2400pci_device_table[] = {
+ { PCI_DEVICE(0x1814, 0x0101), PCI_DEVICE_DATA(&rt2400pci_ops) },
+ { 0, }
+};
+
+MODULE_AUTHOR(DRV_PROJECT);
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("Ralink RT2400 PCI & PCMCIA Wireless LAN driver.");
+MODULE_SUPPORTED_DEVICE("Ralink RT2460 PCI & PCMCIA chipset based cards");
+MODULE_DEVICE_TABLE(pci, rt2400pci_device_table);
+MODULE_LICENSE("GPL");
+
+static struct pci_driver rt2400pci_driver = {
+ .name = DRV_NAME,
+ .id_table = rt2400pci_device_table,
+ .probe = rt2x00pci_probe,
+ .remove = __devexit_p(rt2x00pci_remove),
+ .suspend = rt2x00pci_suspend,
+ .resume = rt2x00pci_resume,
+};
+
+static int __init rt2400pci_init(void)
+{
+ return pci_register_driver(&rt2400pci_driver);
+}
+
+static void __exit rt2400pci_exit(void)
+{
+ pci_unregister_driver(&rt2400pci_driver);
+}
+
+module_init(rt2400pci_init);
+module_exit(rt2400pci_exit);
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.h b/drivers/net/wireless/rt2x00/rt2400pci.h
new file mode 100644
index 00000000000..ae22501f085
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2400pci.h
@@ -0,0 +1,943 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2400pci
+ Abstract: Data structures and registers for the rt2400pci module.
+ Supported chipsets: RT2460.
+ */
+
+#ifndef RT2400PCI_H
+#define RT2400PCI_H
+
+/*
+ * RF chip defines.
+ */
+#define RF2420 0x0000
+#define RF2421 0x0001
+
+/*
+ * Signal information.
+ * Defaul offset is required for RSSI <-> dBm conversion.
+ */
+#define MAX_SIGNAL 100
+#define MAX_RX_SSI -1
+#define DEFAULT_RSSI_OFFSET 100
+
+/*
+ * Register layout information.
+ */
+#define CSR_REG_BASE 0x0000
+#define CSR_REG_SIZE 0x014c
+#define EEPROM_BASE 0x0000
+#define EEPROM_SIZE 0x0100
+#define BBP_SIZE 0x0020
+#define RF_SIZE 0x0010
+
+/*
+ * Control/Status Registers(CSR).
+ * Some values are set in TU, whereas 1 TU == 1024 us.
+ */
+
+/*
+ * CSR0: ASIC revision number.
+ */
+#define CSR0 0x0000
+
+/*
+ * CSR1: System control register.
+ * SOFT_RESET: Software reset, 1: reset, 0: normal.
+ * BBP_RESET: Hardware reset, 1: reset, 0, release.
+ * HOST_READY: Host ready after initialization.
+ */
+#define CSR1 0x0004
+#define CSR1_SOFT_RESET FIELD32(0x00000001)
+#define CSR1_BBP_RESET FIELD32(0x00000002)
+#define CSR1_HOST_READY FIELD32(0x00000004)
+
+/*
+ * CSR2: System admin status register (invalid).
+ */
+#define CSR2 0x0008
+
+/*
+ * CSR3: STA MAC address register 0.
+ */
+#define CSR3 0x000c
+#define CSR3_BYTE0 FIELD32(0x000000ff)
+#define CSR3_BYTE1 FIELD32(0x0000ff00)
+#define CSR3_BYTE2 FIELD32(0x00ff0000)
+#define CSR3_BYTE3 FIELD32(0xff000000)
+
+/*
+ * CSR4: STA MAC address register 1.
+ */
+#define CSR4 0x0010
+#define CSR4_BYTE4 FIELD32(0x000000ff)
+#define CSR4_BYTE5 FIELD32(0x0000ff00)
+
+/*
+ * CSR5: BSSID register 0.
+ */
+#define CSR5 0x0014
+#define CSR5_BYTE0 FIELD32(0x000000ff)
+#define CSR5_BYTE1 FIELD32(0x0000ff00)
+#define CSR5_BYTE2 FIELD32(0x00ff0000)
+#define CSR5_BYTE3 FIELD32(0xff000000)
+
+/*
+ * CSR6: BSSID register 1.
+ */
+#define CSR6 0x0018
+#define CSR6_BYTE4 FIELD32(0x000000ff)
+#define CSR6_BYTE5 FIELD32(0x0000ff00)
+
+/*
+ * CSR7: Interrupt source register.
+ * Write 1 to clear interrupt.
+ * TBCN_EXPIRE: Beacon timer expired interrupt.
+ * TWAKE_EXPIRE: Wakeup timer expired interrupt.
+ * TATIMW_EXPIRE: Timer of atim window expired interrupt.
+ * TXDONE_TXRING: Tx ring transmit done interrupt.
+ * TXDONE_ATIMRING: Atim ring transmit done interrupt.
+ * TXDONE_PRIORING: Priority ring transmit done interrupt.
+ * RXDONE: Receive done interrupt.
+ */
+#define CSR7 0x001c
+#define CSR7_TBCN_EXPIRE FIELD32(0x00000001)
+#define CSR7_TWAKE_EXPIRE FIELD32(0x00000002)
+#define CSR7_TATIMW_EXPIRE FIELD32(0x00000004)
+#define CSR7_TXDONE_TXRING FIELD32(0x00000008)
+#define CSR7_TXDONE_ATIMRING FIELD32(0x00000010)
+#define CSR7_TXDONE_PRIORING FIELD32(0x00000020)
+#define CSR7_RXDONE FIELD32(0x00000040)
+
+/*
+ * CSR8: Interrupt mask register.
+ * Write 1 to mask interrupt.
+ * TBCN_EXPIRE: Beacon timer expired interrupt.
+ * TWAKE_EXPIRE: Wakeup timer expired interrupt.
+ * TATIMW_EXPIRE: Timer of atim window expired interrupt.
+ * TXDONE_TXRING: Tx ring transmit done interrupt.
+ * TXDONE_ATIMRING: Atim ring transmit done interrupt.
+ * TXDONE_PRIORING: Priority ring transmit done interrupt.
+ * RXDONE: Receive done interrupt.
+ */
+#define CSR8 0x0020
+#define CSR8_TBCN_EXPIRE FIELD32(0x00000001)
+#define CSR8_TWAKE_EXPIRE FIELD32(0x00000002)
+#define CSR8_TATIMW_EXPIRE FIELD32(0x00000004)
+#define CSR8_TXDONE_TXRING FIELD32(0x00000008)
+#define CSR8_TXDONE_ATIMRING FIELD32(0x00000010)
+#define CSR8_TXDONE_PRIORING FIELD32(0x00000020)
+#define CSR8_RXDONE FIELD32(0x00000040)
+
+/*
+ * CSR9: Maximum frame length register.
+ * MAX_FRAME_UNIT: Maximum frame length in 128b unit, default: 12.
+ */
+#define CSR9 0x0024
+#define CSR9_MAX_FRAME_UNIT FIELD32(0x00000f80)
+
+/*
+ * CSR11: Back-off control register.
+ * CWMIN: CWmin. Default cwmin is 31 (2^5 - 1).
+ * CWMAX: CWmax. Default cwmax is 1023 (2^10 - 1).
+ * SLOT_TIME: Slot time, default is 20us for 802.11b.
+ * LONG_RETRY: Long retry count.
+ * SHORT_RETRY: Short retry count.
+ */
+#define CSR11 0x002c
+#define CSR11_CWMIN FIELD32(0x0000000f)
+#define CSR11_CWMAX FIELD32(0x000000f0)
+#define CSR11_SLOT_TIME FIELD32(0x00001f00)
+#define CSR11_LONG_RETRY FIELD32(0x00ff0000)
+#define CSR11_SHORT_RETRY FIELD32(0xff000000)
+
+/*
+ * CSR12: Synchronization configuration register 0.
+ * All units in 1/16 TU.
+ * BEACON_INTERVAL: Beacon interval, default is 100 TU.
+ * CFPMAX_DURATION: Cfp maximum duration, default is 100 TU.
+ */
+#define CSR12 0x0030
+#define CSR12_BEACON_INTERVAL FIELD32(0x0000ffff)
+#define CSR12_CFP_MAX_DURATION FIELD32(0xffff0000)
+
+/*
+ * CSR13: Synchronization configuration register 1.
+ * All units in 1/16 TU.
+ * ATIMW_DURATION: Atim window duration.
+ * CFP_PERIOD: Cfp period, default is 0 TU.
+ */
+#define CSR13 0x0034
+#define CSR13_ATIMW_DURATION FIELD32(0x0000ffff)
+#define CSR13_CFP_PERIOD FIELD32(0x00ff0000)
+
+/*
+ * CSR14: Synchronization control register.
+ * TSF_COUNT: Enable tsf auto counting.
+ * TSF_SYNC: Tsf sync, 0: disable, 1: infra, 2: ad-hoc/master mode.
+ * TBCN: Enable tbcn with reload value.
+ * TCFP: Enable tcfp & cfp / cp switching.
+ * TATIMW: Enable tatimw & atim window switching.
+ * BEACON_GEN: Enable beacon generator.
+ * CFP_COUNT_PRELOAD: Cfp count preload value.
+ * TBCM_PRELOAD: Tbcn preload value in units of 64us.
+ */
+#define CSR14 0x0038
+#define CSR14_TSF_COUNT FIELD32(0x00000001)
+#define CSR14_TSF_SYNC FIELD32(0x00000006)
+#define CSR14_TBCN FIELD32(0x00000008)
+#define CSR14_TCFP FIELD32(0x00000010)
+#define CSR14_TATIMW FIELD32(0x00000020)
+#define CSR14_BEACON_GEN FIELD32(0x00000040)
+#define CSR14_CFP_COUNT_PRELOAD FIELD32(0x0000ff00)
+#define CSR14_TBCM_PRELOAD FIELD32(0xffff0000)
+
+/*
+ * CSR15: Synchronization status register.
+ * CFP: ASIC is in contention-free period.
+ * ATIMW: ASIC is in ATIM window.
+ * BEACON_SENT: Beacon is send.
+ */
+#define CSR15 0x003c
+#define CSR15_CFP FIELD32(0x00000001)
+#define CSR15_ATIMW FIELD32(0x00000002)
+#define CSR15_BEACON_SENT FIELD32(0x00000004)
+
+/*
+ * CSR16: TSF timer register 0.
+ */
+#define CSR16 0x0040
+#define CSR16_LOW_TSFTIMER FIELD32(0xffffffff)
+
+/*
+ * CSR17: TSF timer register 1.
+ */
+#define CSR17 0x0044
+#define CSR17_HIGH_TSFTIMER FIELD32(0xffffffff)
+
+/*
+ * CSR18: IFS timer register 0.
+ * SIFS: Sifs, default is 10 us.
+ * PIFS: Pifs, default is 30 us.
+ */
+#define CSR18 0x0048
+#define CSR18_SIFS FIELD32(0x0000ffff)
+#define CSR18_PIFS FIELD32(0xffff0000)
+
+/*
+ * CSR19: IFS timer register 1.
+ * DIFS: Difs, default is 50 us.
+ * EIFS: Eifs, default is 364 us.
+ */
+#define CSR19 0x004c
+#define CSR19_DIFS FIELD32(0x0000ffff)
+#define CSR19_EIFS FIELD32(0xffff0000)
+
+/*
+ * CSR20: Wakeup timer register.
+ * DELAY_AFTER_TBCN: Delay after tbcn expired in units of 1/16 TU.
+ * TBCN_BEFORE_WAKEUP: Number of beacon before wakeup.
+ * AUTOWAKE: Enable auto wakeup / sleep mechanism.
+ */
+#define CSR20 0x0050
+#define CSR20_DELAY_AFTER_TBCN FIELD32(0x0000ffff)
+#define CSR20_TBCN_BEFORE_WAKEUP FIELD32(0x00ff0000)
+#define CSR20_AUTOWAKE FIELD32(0x01000000)
+
+/*
+ * CSR21: EEPROM control register.
+ * RELOAD: Write 1 to reload eeprom content.
+ * TYPE_93C46: 1: 93c46, 0:93c66.
+ */
+#define CSR21 0x0054
+#define CSR21_RELOAD FIELD32(0x00000001)
+#define CSR21_EEPROM_DATA_CLOCK FIELD32(0x00000002)
+#define CSR21_EEPROM_CHIP_SELECT FIELD32(0x00000004)
+#define CSR21_EEPROM_DATA_IN FIELD32(0x00000008)
+#define CSR21_EEPROM_DATA_OUT FIELD32(0x00000010)
+#define CSR21_TYPE_93C46 FIELD32(0x00000020)
+
+/*
+ * CSR22: CFP control register.
+ * CFP_DURATION_REMAIN: Cfp duration remain, in units of TU.
+ * RELOAD_CFP_DURATION: Write 1 to reload cfp duration remain.
+ */
+#define CSR22 0x0058
+#define CSR22_CFP_DURATION_REMAIN FIELD32(0x0000ffff)
+#define CSR22_RELOAD_CFP_DURATION FIELD32(0x00010000)
+
+/*
+ * Transmit related CSRs.
+ * Some values are set in TU, whereas 1 TU == 1024 us.
+ */
+
+/*
+ * TXCSR0: TX Control Register.
+ * KICK_TX: Kick tx ring.
+ * KICK_ATIM: Kick atim ring.
+ * KICK_PRIO: Kick priority ring.
+ * ABORT: Abort all transmit related ring operation.
+ */
+#define TXCSR0 0x0060
+#define TXCSR0_KICK_TX FIELD32(0x00000001)
+#define TXCSR0_KICK_ATIM FIELD32(0x00000002)
+#define TXCSR0_KICK_PRIO FIELD32(0x00000004)
+#define TXCSR0_ABORT FIELD32(0x00000008)
+
+/*
+ * TXCSR1: TX Configuration Register.
+ * ACK_TIMEOUT: Ack timeout, default = sifs + 2*slottime + acktime @ 1mbps.
+ * ACK_CONSUME_TIME: Ack consume time, default = sifs + acktime @ 1mbps.
+ * TSF_OFFSET: Insert tsf offset.
+ * AUTORESPONDER: Enable auto responder which include ack & cts.
+ */
+#define TXCSR1 0x0064
+#define TXCSR1_ACK_TIMEOUT FIELD32(0x000001ff)
+#define TXCSR1_ACK_CONSUME_TIME FIELD32(0x0003fe00)
+#define TXCSR1_TSF_OFFSET FIELD32(0x00fc0000)
+#define TXCSR1_AUTORESPONDER FIELD32(0x01000000)
+
+/*
+ * TXCSR2: Tx descriptor configuration register.
+ * TXD_SIZE: Tx descriptor size, default is 48.
+ * NUM_TXD: Number of tx entries in ring.
+ * NUM_ATIM: Number of atim entries in ring.
+ * NUM_PRIO: Number of priority entries in ring.
+ */
+#define TXCSR2 0x0068
+#define TXCSR2_TXD_SIZE FIELD32(0x000000ff)
+#define TXCSR2_NUM_TXD FIELD32(0x0000ff00)
+#define TXCSR2_NUM_ATIM FIELD32(0x00ff0000)
+#define TXCSR2_NUM_PRIO FIELD32(0xff000000)
+
+/*
+ * TXCSR3: TX Ring Base address register.
+ */
+#define TXCSR3 0x006c
+#define TXCSR3_TX_RING_REGISTER FIELD32(0xffffffff)
+
+/*
+ * TXCSR4: TX Atim Ring Base address register.
+ */
+#define TXCSR4 0x0070
+#define TXCSR4_ATIM_RING_REGISTER FIELD32(0xffffffff)
+
+/*
+ * TXCSR5: TX Prio Ring Base address register.
+ */
+#define TXCSR5 0x0074
+#define TXCSR5_PRIO_RING_REGISTER FIELD32(0xffffffff)
+
+/*
+ * TXCSR6: Beacon Base address register.
+ */
+#define TXCSR6 0x0078
+#define TXCSR6_BEACON_RING_REGISTER FIELD32(0xffffffff)
+
+/*
+ * TXCSR7: Auto responder control register.
+ * AR_POWERMANAGEMENT: Auto responder power management bit.
+ */
+#define TXCSR7 0x007c
+#define TXCSR7_AR_POWERMANAGEMENT FIELD32(0x00000001)
+
+/*
+ * Receive related CSRs.
+ * Some values are set in TU, whereas 1 TU == 1024 us.
+ */
+
+/*
+ * RXCSR0: RX Control Register.
+ * DISABLE_RX: Disable rx engine.
+ * DROP_CRC: Drop crc error.
+ * DROP_PHYSICAL: Drop physical error.
+ * DROP_CONTROL: Drop control frame.
+ * DROP_NOT_TO_ME: Drop not to me unicast frame.
+ * DROP_TODS: Drop frame tods bit is true.
+ * DROP_VERSION_ERROR: Drop version error frame.
+ * PASS_CRC: Pass all packets with crc attached.
+ */
+#define RXCSR0 0x0080
+#define RXCSR0_DISABLE_RX FIELD32(0x00000001)
+#define RXCSR0_DROP_CRC FIELD32(0x00000002)
+#define RXCSR0_DROP_PHYSICAL FIELD32(0x00000004)
+#define RXCSR0_DROP_CONTROL FIELD32(0x00000008)
+#define RXCSR0_DROP_NOT_TO_ME FIELD32(0x00000010)
+#define RXCSR0_DROP_TODS FIELD32(0x00000020)
+#define RXCSR0_DROP_VERSION_ERROR FIELD32(0x00000040)
+#define RXCSR0_PASS_CRC FIELD32(0x00000080)
+
+/*
+ * RXCSR1: RX descriptor configuration register.
+ * RXD_SIZE: Rx descriptor size, default is 32b.
+ * NUM_RXD: Number of rx entries in ring.
+ */
+#define RXCSR1 0x0084
+#define RXCSR1_RXD_SIZE FIELD32(0x000000ff)
+#define RXCSR1_NUM_RXD FIELD32(0x0000ff00)
+
+/*
+ * RXCSR2: RX Ring base address register.
+ */
+#define RXCSR2 0x0088
+#define RXCSR2_RX_RING_REGISTER FIELD32(0xffffffff)
+
+/*
+ * RXCSR3: BBP ID register for Rx operation.
+ * BBP_ID#: BBP register # id.
+ * BBP_ID#_VALID: BBP register # id is valid or not.
+ */
+#define RXCSR3 0x0090
+#define RXCSR3_BBP_ID0 FIELD32(0x0000007f)
+#define RXCSR3_BBP_ID0_VALID FIELD32(0x00000080)
+#define RXCSR3_BBP_ID1 FIELD32(0x00007f00)
+#define RXCSR3_BBP_ID1_VALID FIELD32(0x00008000)
+#define RXCSR3_BBP_ID2 FIELD32(0x007f0000)
+#define RXCSR3_BBP_ID2_VALID FIELD32(0x00800000)
+#define RXCSR3_BBP_ID3 FIELD32(0x7f000000)
+#define RXCSR3_BBP_ID3_VALID FIELD32(0x80000000)
+
+/*
+ * RXCSR4: BBP ID register for Rx operation.
+ * BBP_ID#: BBP register # id.
+ * BBP_ID#_VALID: BBP register # id is valid or not.
+ */
+#define RXCSR4 0x0094
+#define RXCSR4_BBP_ID4 FIELD32(0x0000007f)
+#define RXCSR4_BBP_ID4_VALID FIELD32(0x00000080)
+#define RXCSR4_BBP_ID5 FIELD32(0x00007f00)
+#define RXCSR4_BBP_ID5_VALID FIELD32(0x00008000)
+
+/*
+ * ARCSR0: Auto Responder PLCP config register 0.
+ * ARCSR0_AR_BBP_DATA#: Auto responder BBP register # data.
+ * ARCSR0_AR_BBP_ID#: Auto responder BBP register # Id.
+ */
+#define ARCSR0 0x0098
+#define ARCSR0_AR_BBP_DATA0 FIELD32(0x000000ff)
+#define ARCSR0_AR_BBP_ID0 FIELD32(0x0000ff00)
+#define ARCSR0_AR_BBP_DATA1 FIELD32(0x00ff0000)
+#define ARCSR0_AR_BBP_ID1 FIELD32(0xff000000)
+
+/*
+ * ARCSR1: Auto Responder PLCP config register 1.
+ * ARCSR0_AR_BBP_DATA#: Auto responder BBP register # data.
+ * ARCSR0_AR_BBP_ID#: Auto responder BBP register # Id.
+ */
+#define ARCSR1 0x009c
+#define ARCSR1_AR_BBP_DATA2 FIELD32(0x000000ff)
+#define ARCSR1_AR_BBP_ID2 FIELD32(0x0000ff00)
+#define ARCSR1_AR_BBP_DATA3 FIELD32(0x00ff0000)
+#define ARCSR1_AR_BBP_ID3 FIELD32(0xff000000)
+
+/*
+ * Miscellaneous Registers.
+ * Some values are set in TU, whereas 1 TU == 1024 us.
+ */
+
+/*
+ * PCICSR: PCI control register.
+ * BIG_ENDIAN: 1: big endian, 0: little endian.
+ * RX_TRESHOLD: Rx threshold in dw to start pci access
+ * 0: 16dw (default), 1: 8dw, 2: 4dw, 3: 32dw.
+ * TX_TRESHOLD: Tx threshold in dw to start pci access
+ * 0: 0dw (default), 1: 1dw, 2: 4dw, 3: forward.
+ * BURST_LENTH: Pci burst length 0: 4dw (default, 1: 8dw, 2: 16dw, 3:32dw.
+ * ENABLE_CLK: Enable clk_run, pci clock can't going down to non-operational.
+ */
+#define PCICSR 0x008c
+#define PCICSR_BIG_ENDIAN FIELD32(0x00000001)
+#define PCICSR_RX_TRESHOLD FIELD32(0x00000006)
+#define PCICSR_TX_TRESHOLD FIELD32(0x00000018)
+#define PCICSR_BURST_LENTH FIELD32(0x00000060)
+#define PCICSR_ENABLE_CLK FIELD32(0x00000080)
+
+/*
+ * CNT0: FCS error count.
+ * FCS_ERROR: FCS error count, cleared when read.
+ */
+#define CNT0 0x00a0
+#define CNT0_FCS_ERROR FIELD32(0x0000ffff)
+
+/*
+ * Statistic Register.
+ * CNT1: PLCP error count.
+ * CNT2: Long error count.
+ * CNT3: CCA false alarm count.
+ * CNT4: Rx FIFO overflow count.
+ * CNT5: Tx FIFO underrun count.
+ */
+#define TIMECSR2 0x00a8
+#define CNT1 0x00ac
+#define CNT2 0x00b0
+#define TIMECSR3 0x00b4
+#define CNT3 0x00b8
+#define CNT4 0x00bc
+#define CNT5 0x00c0
+
+/*
+ * Baseband Control Register.
+ */
+
+/*
+ * PWRCSR0: Power mode configuration register.
+ */
+#define PWRCSR0 0x00c4
+
+/*
+ * Power state transition time registers.
+ */
+#define PSCSR0 0x00c8
+#define PSCSR1 0x00cc
+#define PSCSR2 0x00d0
+#define PSCSR3 0x00d4
+
+/*
+ * PWRCSR1: Manual power control / status register.
+ * Allowed state: 0 deep_sleep, 1: sleep, 2: standby, 3: awake.
+ * SET_STATE: Set state. Write 1 to trigger, self cleared.
+ * BBP_DESIRE_STATE: BBP desired state.
+ * RF_DESIRE_STATE: RF desired state.
+ * BBP_CURR_STATE: BBP current state.
+ * RF_CURR_STATE: RF current state.
+ * PUT_TO_SLEEP: Put to sleep. Write 1 to trigger, self cleared.
+ */
+#define PWRCSR1 0x00d8
+#define PWRCSR1_SET_STATE FIELD32(0x00000001)
+#define PWRCSR1_BBP_DESIRE_STATE FIELD32(0x00000006)
+#define PWRCSR1_RF_DESIRE_STATE FIELD32(0x00000018)
+#define PWRCSR1_BBP_CURR_STATE FIELD32(0x00000060)
+#define PWRCSR1_RF_CURR_STATE FIELD32(0x00000180)
+#define PWRCSR1_PUT_TO_SLEEP FIELD32(0x00000200)
+
+/*
+ * TIMECSR: Timer control register.
+ * US_COUNT: 1 us timer count in units of clock cycles.
+ * US_64_COUNT: 64 us timer count in units of 1 us timer.
+ * BEACON_EXPECT: Beacon expect window.
+ */
+#define TIMECSR 0x00dc
+#define TIMECSR_US_COUNT FIELD32(0x000000ff)
+#define TIMECSR_US_64_COUNT FIELD32(0x0000ff00)
+#define TIMECSR_BEACON_EXPECT FIELD32(0x00070000)
+
+/*
+ * MACCSR0: MAC configuration register 0.
+ */
+#define MACCSR0 0x00e0
+
+/*
+ * MACCSR1: MAC configuration register 1.
+ * KICK_RX: Kick one-shot rx in one-shot rx mode.
+ * ONESHOT_RXMODE: Enable one-shot rx mode for debugging.
+ * BBPRX_RESET_MODE: Ralink bbp rx reset mode.
+ * AUTO_TXBBP: Auto tx logic access bbp control register.
+ * AUTO_RXBBP: Auto rx logic access bbp control register.
+ * LOOPBACK: Loopback mode. 0: normal, 1: internal, 2: external, 3:rsvd.
+ * INTERSIL_IF: Intersil if calibration pin.
+ */
+#define MACCSR1 0x00e4
+#define MACCSR1_KICK_RX FIELD32(0x00000001)
+#define MACCSR1_ONESHOT_RXMODE FIELD32(0x00000002)
+#define MACCSR1_BBPRX_RESET_MODE FIELD32(0x00000004)
+#define MACCSR1_AUTO_TXBBP FIELD32(0x00000008)
+#define MACCSR1_AUTO_RXBBP FIELD32(0x00000010)
+#define MACCSR1_LOOPBACK FIELD32(0x00000060)
+#define MACCSR1_INTERSIL_IF FIELD32(0x00000080)
+
+/*
+ * RALINKCSR: Ralink Rx auto-reset BBCR.
+ * AR_BBP_DATA#: Auto reset BBP register # data.
+ * AR_BBP_ID#: Auto reset BBP register # id.
+ */
+#define RALINKCSR 0x00e8
+#define RALINKCSR_AR_BBP_DATA0 FIELD32(0x000000ff)
+#define RALINKCSR_AR_BBP_ID0 FIELD32(0x0000ff00)
+#define RALINKCSR_AR_BBP_DATA1 FIELD32(0x00ff0000)
+#define RALINKCSR_AR_BBP_ID1 FIELD32(0xff000000)
+
+/*
+ * BCNCSR: Beacon interval control register.
+ * CHANGE: Write one to change beacon interval.
+ * DELTATIME: The delta time value.
+ * NUM_BEACON: Number of beacon according to mode.
+ * MODE: Please refer to asic specs.
+ * PLUS: Plus or minus delta time value.
+ */
+#define BCNCSR 0x00ec
+#define BCNCSR_CHANGE FIELD32(0x00000001)
+#define BCNCSR_DELTATIME FIELD32(0x0000001e)
+#define BCNCSR_NUM_BEACON FIELD32(0x00001fe0)
+#define BCNCSR_MODE FIELD32(0x00006000)
+#define BCNCSR_PLUS FIELD32(0x00008000)
+
+/*
+ * BBP / RF / IF Control Register.
+ */
+
+/*
+ * BBPCSR: BBP serial control register.
+ * VALUE: Register value to program into BBP.
+ * REGNUM: Selected BBP register.
+ * BUSY: 1: asic is busy execute BBP programming.
+ * WRITE_CONTROL: 1: write BBP, 0: read BBP.
+ */
+#define BBPCSR 0x00f0
+#define BBPCSR_VALUE FIELD32(0x000000ff)
+#define BBPCSR_REGNUM FIELD32(0x00007f00)
+#define BBPCSR_BUSY FIELD32(0x00008000)
+#define BBPCSR_WRITE_CONTROL FIELD32(0x00010000)
+
+/*
+ * RFCSR: RF serial control register.
+ * VALUE: Register value + id to program into rf/if.
+ * NUMBER_OF_BITS: Number of bits used in value (i:20, rfmd:22).
+ * IF_SELECT: Chip to program: 0: rf, 1: if.
+ * PLL_LD: Rf pll_ld status.
+ * BUSY: 1: asic is busy execute rf programming.
+ */
+#define RFCSR 0x00f4
+#define RFCSR_VALUE FIELD32(0x00ffffff)
+#define RFCSR_NUMBER_OF_BITS FIELD32(0x1f000000)
+#define RFCSR_IF_SELECT FIELD32(0x20000000)
+#define RFCSR_PLL_LD FIELD32(0x40000000)
+#define RFCSR_BUSY FIELD32(0x80000000)
+
+/*
+ * LEDCSR: LED control register.
+ * ON_PERIOD: On period, default 70ms.
+ * OFF_PERIOD: Off period, default 30ms.
+ * LINK: 0: linkoff, 1: linkup.
+ * ACTIVITY: 0: idle, 1: active.
+ */
+#define LEDCSR 0x00f8
+#define LEDCSR_ON_PERIOD FIELD32(0x000000ff)
+#define LEDCSR_OFF_PERIOD FIELD32(0x0000ff00)
+#define LEDCSR_LINK FIELD32(0x00010000)
+#define LEDCSR_ACTIVITY FIELD32(0x00020000)
+
+/*
+ * ASIC pointer information.
+ * RXPTR: Current RX ring address.
+ * TXPTR: Current Tx ring address.
+ * PRIPTR: Current Priority ring address.
+ * ATIMPTR: Current ATIM ring address.
+ */
+#define RXPTR 0x0100
+#define TXPTR 0x0104
+#define PRIPTR 0x0108
+#define ATIMPTR 0x010c
+
+/*
+ * GPIO and others.
+ */
+
+/*
+ * GPIOCSR: GPIO control register.
+ */
+#define GPIOCSR 0x0120
+#define GPIOCSR_BIT0 FIELD32(0x00000001)
+#define GPIOCSR_BIT1 FIELD32(0x00000002)
+#define GPIOCSR_BIT2 FIELD32(0x00000004)
+#define GPIOCSR_BIT3 FIELD32(0x00000008)
+#define GPIOCSR_BIT4 FIELD32(0x00000010)
+#define GPIOCSR_BIT5 FIELD32(0x00000020)
+#define GPIOCSR_BIT6 FIELD32(0x00000040)
+#define GPIOCSR_BIT7 FIELD32(0x00000080)
+
+/*
+ * BBPPCSR: BBP Pin control register.
+ */
+#define BBPPCSR 0x0124
+
+/*
+ * BCNCSR1: Tx BEACON offset time control register.
+ * PRELOAD: Beacon timer offset in units of usec.
+ */
+#define BCNCSR1 0x0130
+#define BCNCSR1_PRELOAD FIELD32(0x0000ffff)
+
+/*
+ * MACCSR2: TX_PE to RX_PE turn-around time control register
+ * DELAY: RX_PE low width, in units of pci clock cycle.
+ */
+#define MACCSR2 0x0134
+#define MACCSR2_DELAY FIELD32(0x000000ff)
+
+/*
+ * ARCSR2: 1 Mbps ACK/CTS PLCP.
+ */
+#define ARCSR2 0x013c
+#define ARCSR2_SIGNAL FIELD32(0x000000ff)
+#define ARCSR2_SERVICE FIELD32(0x0000ff00)
+#define ARCSR2_LENGTH_LOW FIELD32(0x00ff0000)
+#define ARCSR2_LENGTH FIELD32(0xffff0000)
+
+/*
+ * ARCSR3: 2 Mbps ACK/CTS PLCP.
+ */
+#define ARCSR3 0x0140
+#define ARCSR3_SIGNAL FIELD32(0x000000ff)
+#define ARCSR3_SERVICE FIELD32(0x0000ff00)
+#define ARCSR3_LENGTH FIELD32(0xffff0000)
+
+/*
+ * ARCSR4: 5.5 Mbps ACK/CTS PLCP.
+ */
+#define ARCSR4 0x0144
+#define ARCSR4_SIGNAL FIELD32(0x000000ff)
+#define ARCSR4_SERVICE FIELD32(0x0000ff00)
+#define ARCSR4_LENGTH FIELD32(0xffff0000)
+
+/*
+ * ARCSR5: 11 Mbps ACK/CTS PLCP.
+ */
+#define ARCSR5 0x0148
+#define ARCSR5_SIGNAL FIELD32(0x000000ff)
+#define ARCSR5_SERVICE FIELD32(0x0000ff00)
+#define ARCSR5_LENGTH FIELD32(0xffff0000)
+
+/*
+ * BBP registers.
+ * The wordsize of the BBP is 8 bits.
+ */
+
+/*
+ * R1: TX antenna control
+ */
+#define BBP_R1_TX_ANTENNA FIELD8(0x03)
+
+/*
+ * R4: RX antenna control
+ */
+#define BBP_R4_RX_ANTENNA FIELD8(0x06)
+
+/*
+ * RF registers
+ */
+
+/*
+ * RF 1
+ */
+#define RF1_TUNER FIELD32(0x00020000)
+
+/*
+ * RF 3
+ */
+#define RF3_TUNER FIELD32(0x00000100)
+#define RF3_TXPOWER FIELD32(0x00003e00)
+
+/*
+ * EEPROM content.
+ * The wordsize of the EEPROM is 16 bits.
+ */
+
+/*
+ * HW MAC address.
+ */
+#define EEPROM_MAC_ADDR_0 0x0002
+#define EEPROM_MAC_ADDR_BYTE0 FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE1 FIELD16(0xff00)
+#define EEPROM_MAC_ADDR1 0x0003
+#define EEPROM_MAC_ADDR_BYTE2 FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE3 FIELD16(0xff00)
+#define EEPROM_MAC_ADDR_2 0x0004
+#define EEPROM_MAC_ADDR_BYTE4 FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE5 FIELD16(0xff00)
+
+/*
+ * EEPROM antenna.
+ * ANTENNA_NUM: Number of antenna's.
+ * TX_DEFAULT: Default antenna 0: diversity, 1: A, 2: B.
+ * RX_DEFAULT: Default antenna 0: diversity, 1: A, 2: B.
+ * RF_TYPE: Rf_type of this adapter.
+ * LED_MODE: 0: default, 1: TX/RX activity,2: Single (ignore link), 3: rsvd.
+ * RX_AGCVGC: 0: disable, 1:enable BBP R13 tuning.
+ * HARDWARE_RADIO: 1: Hardware controlled radio. Read GPIO0.
+ */
+#define EEPROM_ANTENNA 0x0b
+#define EEPROM_ANTENNA_NUM FIELD16(0x0003)
+#define EEPROM_ANTENNA_TX_DEFAULT FIELD16(0x000c)
+#define EEPROM_ANTENNA_RX_DEFAULT FIELD16(0x0030)
+#define EEPROM_ANTENNA_RF_TYPE FIELD16(0x0040)
+#define EEPROM_ANTENNA_LED_MODE FIELD16(0x0180)
+#define EEPROM_ANTENNA_RX_AGCVGC_TUNING FIELD16(0x0200)
+#define EEPROM_ANTENNA_HARDWARE_RADIO FIELD16(0x0400)
+
+/*
+ * EEPROM BBP.
+ */
+#define EEPROM_BBP_START 0x0c
+#define EEPROM_BBP_SIZE 7
+#define EEPROM_BBP_VALUE FIELD16(0x00ff)
+#define EEPROM_BBP_REG_ID FIELD16(0xff00)
+
+/*
+ * EEPROM TXPOWER
+ */
+#define EEPROM_TXPOWER_START 0x13
+#define EEPROM_TXPOWER_SIZE 7
+#define EEPROM_TXPOWER_1 FIELD16(0x00ff)
+#define EEPROM_TXPOWER_2 FIELD16(0xff00)
+
+/*
+ * DMA descriptor defines.
+ */
+#define TXD_DESC_SIZE ( 8 * sizeof(struct data_desc) )
+#define RXD_DESC_SIZE ( 8 * sizeof(struct data_desc) )
+
+/*
+ * TX descriptor format for TX, PRIO, ATIM and Beacon Ring.
+ */
+
+/*
+ * Word0
+ */
+#define TXD_W0_OWNER_NIC FIELD32(0x00000001)
+#define TXD_W0_VALID FIELD32(0x00000002)
+#define TXD_W0_RESULT FIELD32(0x0000001c)
+#define TXD_W0_RETRY_COUNT FIELD32(0x000000e0)
+#define TXD_W0_MORE_FRAG FIELD32(0x00000100)
+#define TXD_W0_ACK FIELD32(0x00000200)
+#define TXD_W0_TIMESTAMP FIELD32(0x00000400)
+#define TXD_W0_RTS FIELD32(0x00000800)
+#define TXD_W0_IFS FIELD32(0x00006000)
+#define TXD_W0_RETRY_MODE FIELD32(0x00008000)
+#define TXD_W0_AGC FIELD32(0x00ff0000)
+#define TXD_W0_R2 FIELD32(0xff000000)
+
+/*
+ * Word1
+ */
+#define TXD_W1_BUFFER_ADDRESS FIELD32(0xffffffff)
+
+/*
+ * Word2
+ */
+#define TXD_W2_BUFFER_LENGTH FIELD32(0x0000ffff)
+#define TXD_W2_DATABYTE_COUNT FIELD32(0xffff0000)
+
+/*
+ * Word3 & 4: PLCP information
+ */
+#define TXD_W3_PLCP_SIGNAL FIELD32(0x0000ffff)
+#define TXD_W3_PLCP_SERVICE FIELD32(0xffff0000)
+#define TXD_W4_PLCP_LENGTH_LOW FIELD32(0x0000ffff)
+#define TXD_W4_PLCP_LENGTH_HIGH FIELD32(0xffff0000)
+
+/*
+ * Word5
+ */
+#define TXD_W5_BBCR4 FIELD32(0x0000ffff)
+#define TXD_W5_AGC_REG FIELD32(0x007f0000)
+#define TXD_W5_AGC_REG_VALID FIELD32(0x00800000)
+#define TXD_W5_XXX_REG FIELD32(0x7f000000)
+#define TXD_W5_XXX_REG_VALID FIELD32(0x80000000)
+
+/*
+ * Word6
+ */
+#define TXD_W6_SK_BUFF FIELD32(0xffffffff)
+
+/*
+ * Word7
+ */
+#define TXD_W7_RESERVED FIELD32(0xffffffff)
+
+/*
+ * RX descriptor format for RX Ring.
+ */
+
+/*
+ * Word0
+ */
+#define RXD_W0_OWNER_NIC FIELD32(0x00000001)
+#define RXD_W0_UNICAST_TO_ME FIELD32(0x00000002)
+#define RXD_W0_MULTICAST FIELD32(0x00000004)
+#define RXD_W0_BROADCAST FIELD32(0x00000008)
+#define RXD_W0_MY_BSS FIELD32(0x00000010)
+#define RXD_W0_CRC_ERROR FIELD32(0x00000020)
+#define RXD_W0_PHYSICAL_ERROR FIELD32(0x00000080)
+#define RXD_W0_DATABYTE_COUNT FIELD32(0xffff0000)
+
+/*
+ * Word1
+ */
+#define RXD_W1_BUFFER_ADDRESS FIELD32(0xffffffff)
+
+/*
+ * Word2
+ */
+#define RXD_W2_BUFFER_LENGTH FIELD32(0x0000ffff)
+#define RXD_W2_SIGNAL FIELD32(0x00ff0000)
+#define RXD_W2_RSSI FIELD32(0xff000000)
+
+/*
+ * Word3
+ */
+#define RXD_W3_BBR2 FIELD32(0x000000ff)
+#define RXD_W3_BBR3 FIELD32(0x0000ff00)
+#define RXD_W3_BBR4 FIELD32(0x00ff0000)
+#define RXD_W3_BBR5 FIELD32(0xff000000)
+
+/*
+ * Word4
+ */
+#define RXD_W4_RX_END_TIME FIELD32(0xffffffff)
+
+/*
+ * Word5 & 6 & 7: Reserved
+ */
+#define RXD_W5_RESERVED FIELD32(0xffffffff)
+#define RXD_W6_RESERVED FIELD32(0xffffffff)
+#define RXD_W7_RESERVED FIELD32(0xffffffff)
+
+/*
+ * Macro's for converting txpower from EEPROM to dscape value
+ * and from dscape value to register value.
+ * NOTE: Logics in rt2400pci for txpower are reversed
+ * compared to the other rt2x00 drivers. A higher txpower
+ * value means that the txpower must be lowered. This is
+ * important when converting the value coming from the
+ * dscape stack to the rt2400 acceptable value.
+ */
+#define MIN_TXPOWER 31
+#define MAX_TXPOWER 62
+#define DEFAULT_TXPOWER 39
+
+#define TXPOWER_FROM_DEV(__txpower) \
+({ \
+ ((__txpower) > MAX_TXPOWER) ? DEFAULT_TXPOWER - MIN_TXPOWER : \
+ ((__txpower) < MIN_TXPOWER) ? DEFAULT_TXPOWER - MIN_TXPOWER : \
+ (((__txpower) - MAX_TXPOWER) + MIN_TXPOWER); \
+})
+
+#define TXPOWER_TO_DEV(__txpower) \
+({ \
+ (__txpower) += MIN_TXPOWER; \
+ ((__txpower) <= MIN_TXPOWER) ? MAX_TXPOWER : \
+ (((__txpower) >= MAX_TXPOWER) ? MIN_TXPOWER : \
+ (MAX_TXPOWER - ((__txpower) - MIN_TXPOWER))); \
+})
+
+#endif /* RT2400PCI_H */
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
new file mode 100644
index 00000000000..f6115c626fa
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -0,0 +1,2000 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2500pci
+ Abstract: rt2500pci device specific routines.
+ Supported chipsets: RT2560.
+ */
+
+/*
+ * Set enviroment defines for rt2x00.h
+ */
+#define DRV_NAME "rt2500pci"
+
+#include <linux/delay.h>
+#include <linux/etherdevice.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/eeprom_93cx6.h>
+
+#include "rt2x00.h"
+#include "rt2x00pci.h"
+#include "rt2500pci.h"
+
+/*
+ * Register access.
+ * All access to the CSR registers will go through the methods
+ * rt2x00pci_register_read and rt2x00pci_register_write.
+ * BBP and RF register require indirect register access,
+ * and use the CSR registers BBPCSR and RFCSR to achieve this.
+ * These indirect registers work with busy bits,
+ * and we will try maximal REGISTER_BUSY_COUNT times to access
+ * the register while taking a REGISTER_BUSY_DELAY us delay
+ * between each attampt. When the busy bit is still set at that time,
+ * the access attempt is considered to have failed,
+ * and we will print an error.
+ */
+static u32 rt2500pci_bbp_check(const struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+ unsigned int i;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt2x00pci_register_read(rt2x00dev, BBPCSR, &reg);
+ if (!rt2x00_get_field32(reg, BBPCSR_BUSY))
+ break;
+ udelay(REGISTER_BUSY_DELAY);
+ }
+
+ return reg;
+}
+
+static void rt2500pci_bbp_write(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, const u8 value)
+{
+ u32 reg;
+
+ /*
+ * Wait until the BBP becomes ready.
+ */
+ reg = rt2500pci_bbp_check(rt2x00dev);
+ if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
+ ERROR(rt2x00dev, "BBPCSR register busy. Write failed.\n");
+ return;
+ }
+
+ /*
+ * Write the data into the BBP.
+ */
+ reg = 0;
+ rt2x00_set_field32(&reg, BBPCSR_VALUE, value);
+ rt2x00_set_field32(&reg, BBPCSR_REGNUM, word);
+ rt2x00_set_field32(&reg, BBPCSR_BUSY, 1);
+ rt2x00_set_field32(&reg, BBPCSR_WRITE_CONTROL, 1);
+
+ rt2x00pci_register_write(rt2x00dev, BBPCSR, reg);
+}
+
+static void rt2500pci_bbp_read(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u8 *value)
+{
+ u32 reg;
+
+ /*
+ * Wait until the BBP becomes ready.
+ */
+ reg = rt2500pci_bbp_check(rt2x00dev);
+ if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
+ ERROR(rt2x00dev, "BBPCSR register busy. Read failed.\n");
+ return;
+ }
+
+ /*
+ * Write the request into the BBP.
+ */
+ reg = 0;
+ rt2x00_set_field32(&reg, BBPCSR_REGNUM, word);
+ rt2x00_set_field32(&reg, BBPCSR_BUSY, 1);
+ rt2x00_set_field32(&reg, BBPCSR_WRITE_CONTROL, 0);
+
+ rt2x00pci_register_write(rt2x00dev, BBPCSR, reg);
+
+ /*
+ * Wait until the BBP becomes ready.
+ */
+ reg = rt2500pci_bbp_check(rt2x00dev);
+ if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
+ ERROR(rt2x00dev, "BBPCSR register busy. Read failed.\n");
+ *value = 0xff;
+ return;
+ }
+
+ *value = rt2x00_get_field32(reg, BBPCSR_VALUE);
+}
+
+static void rt2500pci_rf_write(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, const u32 value)
+{
+ u32 reg;
+ unsigned int i;
+
+ if (!word)
+ return;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt2x00pci_register_read(rt2x00dev, RFCSR, &reg);
+ if (!rt2x00_get_field32(reg, RFCSR_BUSY))
+ goto rf_write;
+ udelay(REGISTER_BUSY_DELAY);
+ }
+
+ ERROR(rt2x00dev, "RFCSR register busy. Write failed.\n");
+ return;
+
+rf_write:
+ reg = 0;
+ rt2x00_set_field32(&reg, RFCSR_VALUE, value);
+ rt2x00_set_field32(&reg, RFCSR_NUMBER_OF_BITS, 20);
+ rt2x00_set_field32(&reg, RFCSR_IF_SELECT, 0);
+ rt2x00_set_field32(&reg, RFCSR_BUSY, 1);
+
+ rt2x00pci_register_write(rt2x00dev, RFCSR, reg);
+ rt2x00_rf_write(rt2x00dev, word, value);
+}
+
+static void rt2500pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
+{
+ struct rt2x00_dev *rt2x00dev = eeprom->data;
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, CSR21, &reg);
+
+ eeprom->reg_data_in = !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_IN);
+ eeprom->reg_data_out = !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_OUT);
+ eeprom->reg_data_clock =
+ !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_CLOCK);
+ eeprom->reg_chip_select =
+ !!rt2x00_get_field32(reg, CSR21_EEPROM_CHIP_SELECT);
+}
+
+static void rt2500pci_eepromregister_write(struct eeprom_93cx6 *eeprom)
+{
+ struct rt2x00_dev *rt2x00dev = eeprom->data;
+ u32 reg = 0;
+
+ rt2x00_set_field32(&reg, CSR21_EEPROM_DATA_IN, !!eeprom->reg_data_in);
+ rt2x00_set_field32(&reg, CSR21_EEPROM_DATA_OUT, !!eeprom->reg_data_out);
+ rt2x00_set_field32(&reg, CSR21_EEPROM_DATA_CLOCK,
+ !!eeprom->reg_data_clock);
+ rt2x00_set_field32(&reg, CSR21_EEPROM_CHIP_SELECT,
+ !!eeprom->reg_chip_select);
+
+ rt2x00pci_register_write(rt2x00dev, CSR21, reg);
+}
+
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+#define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u32)) )
+
+static void rt2500pci_read_csr(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u32 *data)
+{
+ rt2x00pci_register_read(rt2x00dev, CSR_OFFSET(word), data);
+}
+
+static void rt2500pci_write_csr(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u32 data)
+{
+ rt2x00pci_register_write(rt2x00dev, CSR_OFFSET(word), data);
+}
+
+static const struct rt2x00debug rt2500pci_rt2x00debug = {
+ .owner = THIS_MODULE,
+ .csr = {
+ .read = rt2500pci_read_csr,
+ .write = rt2500pci_write_csr,
+ .word_size = sizeof(u32),
+ .word_count = CSR_REG_SIZE / sizeof(u32),
+ },
+ .eeprom = {
+ .read = rt2x00_eeprom_read,
+ .write = rt2x00_eeprom_write,
+ .word_size = sizeof(u16),
+ .word_count = EEPROM_SIZE / sizeof(u16),
+ },
+ .bbp = {
+ .read = rt2500pci_bbp_read,
+ .write = rt2500pci_bbp_write,
+ .word_size = sizeof(u8),
+ .word_count = BBP_SIZE / sizeof(u8),
+ },
+ .rf = {
+ .read = rt2x00_rf_read,
+ .write = rt2500pci_rf_write,
+ .word_size = sizeof(u32),
+ .word_count = RF_SIZE / sizeof(u32),
+ },
+};
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+
+#ifdef CONFIG_RT2500PCI_RFKILL
+static int rt2500pci_rfkill_poll(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, GPIOCSR, &reg);
+ return rt2x00_get_field32(reg, GPIOCSR_BIT0);
+}
+#endif /* CONFIG_RT2400PCI_RFKILL */
+
+/*
+ * Configuration handlers.
+ */
+static void rt2500pci_config_mac_addr(struct rt2x00_dev *rt2x00dev, u8 *addr)
+{
+ __le32 reg[2];
+
+ memset(&reg, 0, sizeof(reg));
+ memcpy(&reg, addr, ETH_ALEN);
+
+ /*
+ * The MAC address is passed to us as an array of bytes,
+ * that array is little endian, so no need for byte ordering.
+ */
+ rt2x00pci_register_multiwrite(rt2x00dev, CSR3, &reg, sizeof(reg));
+}
+
+static void rt2500pci_config_bssid(struct rt2x00_dev *rt2x00dev, u8 *bssid)
+{
+ __le32 reg[2];
+
+ memset(&reg, 0, sizeof(reg));
+ memcpy(&reg, bssid, ETH_ALEN);
+
+ /*
+ * The BSSID is passed to us as an array of bytes,
+ * that array is little endian, so no need for byte ordering.
+ */
+ rt2x00pci_register_multiwrite(rt2x00dev, CSR5, &reg, sizeof(reg));
+}
+
+static void rt2500pci_config_packet_filter(struct rt2x00_dev *rt2x00dev,
+ const unsigned int filter)
+{
+ int promisc = !!(filter & IFF_PROMISC);
+ int multicast = !!(filter & IFF_MULTICAST);
+ int broadcast = !!(filter & IFF_BROADCAST);
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, RXCSR0, &reg);
+ rt2x00_set_field32(&reg, RXCSR0_DROP_NOT_TO_ME, !promisc);
+ rt2x00_set_field32(&reg, RXCSR0_DROP_MCAST, !multicast);
+ rt2x00_set_field32(&reg, RXCSR0_DROP_BCAST, !broadcast);
+ rt2x00pci_register_write(rt2x00dev, RXCSR0, reg);
+}
+
+static void rt2500pci_config_type(struct rt2x00_dev *rt2x00dev, const int type)
+{
+ u32 reg;
+
+ rt2x00pci_register_write(rt2x00dev, CSR14, 0);
+
+ /*
+ * Apply hardware packet filter.
+ */
+ rt2x00pci_register_read(rt2x00dev, RXCSR0, &reg);
+
+ if (!is_monitor_present(&rt2x00dev->interface) &&
+ (type == IEEE80211_IF_TYPE_IBSS || type == IEEE80211_IF_TYPE_STA))
+ rt2x00_set_field32(&reg, RXCSR0_DROP_TODS, 1);
+ else
+ rt2x00_set_field32(&reg, RXCSR0_DROP_TODS, 0);
+
+ /*
+ * If there is a non-monitor interface present
+ * the packet should be strict (even if a monitor interface is present!).
+ * When there is only 1 interface present which is in monitor mode
+ * we should start accepting _all_ frames.
+ */
+ if (is_interface_present(&rt2x00dev->interface)) {
+ rt2x00_set_field32(&reg, RXCSR0_DROP_CRC, 1);
+ rt2x00_set_field32(&reg, RXCSR0_DROP_PHYSICAL, 1);
+ rt2x00_set_field32(&reg, RXCSR0_DROP_CONTROL, 1);
+ rt2x00_set_field32(&reg, RXCSR0_DROP_VERSION_ERROR, 1);
+ } else if (is_monitor_present(&rt2x00dev->interface)) {
+ rt2x00_set_field32(&reg, RXCSR0_DROP_CRC, 0);
+ rt2x00_set_field32(&reg, RXCSR0_DROP_PHYSICAL, 0);
+ rt2x00_set_field32(&reg, RXCSR0_DROP_CONTROL, 0);
+ rt2x00_set_field32(&reg, RXCSR0_DROP_VERSION_ERROR, 0);
+ }
+
+ rt2x00pci_register_write(rt2x00dev, RXCSR0, reg);
+
+ /*
+ * Enable beacon config
+ */
+ rt2x00pci_register_read(rt2x00dev, BCNCSR1, &reg);
+ rt2x00_set_field32(&reg, BCNCSR1_PRELOAD,
+ PREAMBLE + get_duration(IEEE80211_HEADER, 2));
+ rt2x00_set_field32(&reg, BCNCSR1_BEACON_CWMIN,
+ rt2x00lib_get_ring(rt2x00dev,
+ IEEE80211_TX_QUEUE_BEACON)
+ ->tx_params.cw_min);
+ rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg);
+
+ /*
+ * Enable synchronisation.
+ */
+ rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
+ if (is_interface_present(&rt2x00dev->interface)) {
+ rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 1);
+ rt2x00_set_field32(&reg, CSR14_TBCN, 1);
+ }
+
+ rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
+ if (type == IEEE80211_IF_TYPE_IBSS || type == IEEE80211_IF_TYPE_AP)
+ rt2x00_set_field32(&reg, CSR14_TSF_SYNC, 2);
+ else if (type == IEEE80211_IF_TYPE_STA)
+ rt2x00_set_field32(&reg, CSR14_TSF_SYNC, 1);
+ else if (is_monitor_present(&rt2x00dev->interface) &&
+ !is_interface_present(&rt2x00dev->interface))
+ rt2x00_set_field32(&reg, CSR14_TSF_SYNC, 0);
+
+ rt2x00pci_register_write(rt2x00dev, CSR14, reg);
+}
+
+static void rt2500pci_config_rate(struct rt2x00_dev *rt2x00dev, const int rate)
+{
+ struct ieee80211_conf *conf = &rt2x00dev->hw->conf;
+ u32 reg;
+ u32 preamble;
+ u16 value;
+
+ if (DEVICE_GET_RATE_FIELD(rate, PREAMBLE))
+ preamble = SHORT_PREAMBLE;
+ else
+ preamble = PREAMBLE;
+
+ reg = DEVICE_GET_RATE_FIELD(rate, RATEMASK) & DEV_BASIC_RATEMASK;
+ rt2x00pci_register_write(rt2x00dev, ARCSR1, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXCSR1, &reg);
+ value = ((conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME) ?
+ SHORT_DIFS : DIFS) +
+ PLCP + preamble + get_duration(ACK_SIZE, 10);
+ rt2x00_set_field32(&reg, TXCSR1_ACK_TIMEOUT, value);
+ value = SIFS + PLCP + preamble + get_duration(ACK_SIZE, 10);
+ rt2x00_set_field32(&reg, TXCSR1_ACK_CONSUME_TIME, value);
+ rt2x00pci_register_write(rt2x00dev, TXCSR1, reg);
+
+ preamble = DEVICE_GET_RATE_FIELD(rate, PREAMBLE) ? 0x08 : 0x00;
+
+ rt2x00pci_register_read(rt2x00dev, ARCSR2, &reg);
+ rt2x00_set_field32(&reg, ARCSR2_SIGNAL, 0x00 | preamble);
+ rt2x00_set_field32(&reg, ARCSR2_SERVICE, 0x04);
+ rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 10));
+ rt2x00pci_register_write(rt2x00dev, ARCSR2, reg);
+
+ rt2x00pci_register_read(rt2x00dev, ARCSR3, &reg);
+ rt2x00_set_field32(&reg, ARCSR3_SIGNAL, 0x01 | preamble);
+ rt2x00_set_field32(&reg, ARCSR3_SERVICE, 0x04);
+ rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 20));
+ rt2x00pci_register_write(rt2x00dev, ARCSR3, reg);
+
+ rt2x00pci_register_read(rt2x00dev, ARCSR4, &reg);
+ rt2x00_set_field32(&reg, ARCSR4_SIGNAL, 0x02 | preamble);
+ rt2x00_set_field32(&reg, ARCSR4_SERVICE, 0x04);
+ rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 55));
+ rt2x00pci_register_write(rt2x00dev, ARCSR4, reg);
+
+ rt2x00pci_register_read(rt2x00dev, ARCSR5, &reg);
+ rt2x00_set_field32(&reg, ARCSR5_SIGNAL, 0x03 | preamble);
+ rt2x00_set_field32(&reg, ARCSR5_SERVICE, 0x84);
+ rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 110));
+ rt2x00pci_register_write(rt2x00dev, ARCSR5, reg);
+}
+
+static void rt2500pci_config_phymode(struct rt2x00_dev *rt2x00dev,
+ const int phymode)
+{
+ struct ieee80211_hw_mode *mode;
+ struct ieee80211_rate *rate;
+
+ if (phymode == MODE_IEEE80211A)
+ rt2x00dev->curr_hwmode = HWMODE_A;
+ else if (phymode == MODE_IEEE80211B)
+ rt2x00dev->curr_hwmode = HWMODE_B;
+ else
+ rt2x00dev->curr_hwmode = HWMODE_G;
+
+ mode = &rt2x00dev->hwmodes[rt2x00dev->curr_hwmode];
+ rate = &mode->rates[mode->num_rates - 1];
+
+ rt2500pci_config_rate(rt2x00dev, rate->val2);
+}
+
+static void rt2500pci_config_channel(struct rt2x00_dev *rt2x00dev,
+ const int index, const int channel,
+ const int txpower)
+{
+ struct rf_channel reg;
+ u8 r70;
+
+ /*
+ * Fill rf_reg structure.
+ */
+ memcpy(&reg, &rt2x00dev->spec.channels[index], sizeof(reg));
+
+ /*
+ * Set TXpower.
+ */
+ rt2x00_set_field32(&reg.rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
+
+ /*
+ * Switch on tuning bits.
+ * For RT2523 devices we do not need to update the R1 register.
+ */
+ if (!rt2x00_rf(&rt2x00dev->chip, RF2523))
+ rt2x00_set_field32(&reg.rf1, RF1_TUNER, 1);
+ rt2x00_set_field32(&reg.rf3, RF3_TUNER, 1);
+
+ /*
+ * For RT2525 we should first set the channel to half band higher.
+ */
+ if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
+ static const u32 vals[] = {
+ 0x00080cbe, 0x00080d02, 0x00080d06, 0x00080d0a,
+ 0x00080d0e, 0x00080d12, 0x00080d16, 0x00080d1a,
+ 0x00080d1e, 0x00080d22, 0x00080d26, 0x00080d2a,
+ 0x00080d2e, 0x00080d3a
+ };
+
+ rt2500pci_rf_write(rt2x00dev, 1, reg.rf1);
+ rt2500pci_rf_write(rt2x00dev, 2, vals[channel - 1]);
+ rt2500pci_rf_write(rt2x00dev, 3, reg.rf3);
+ if (reg.rf4)
+ rt2500pci_rf_write(rt2x00dev, 4, reg.rf4);
+ }
+
+ rt2500pci_rf_write(rt2x00dev, 1, reg.rf1);
+ rt2500pci_rf_write(rt2x00dev, 2, reg.rf2);
+ rt2500pci_rf_write(rt2x00dev, 3, reg.rf3);
+ if (reg.rf4)
+ rt2500pci_rf_write(rt2x00dev, 4, reg.rf4);
+
+ /*
+ * Channel 14 requires the Japan filter bit to be set.
+ */
+ r70 = 0x46;
+ rt2x00_set_field8(&r70, BBP_R70_JAPAN_FILTER, channel == 14);
+ rt2500pci_bbp_write(rt2x00dev, 70, r70);
+
+ msleep(1);
+
+ /*
+ * Switch off tuning bits.
+ * For RT2523 devices we do not need to update the R1 register.
+ */
+ if (!rt2x00_rf(&rt2x00dev->chip, RF2523)) {
+ rt2x00_set_field32(&reg.rf1, RF1_TUNER, 0);
+ rt2500pci_rf_write(rt2x00dev, 1, reg.rf1);
+ }
+
+ rt2x00_set_field32(&reg.rf3, RF3_TUNER, 0);
+ rt2500pci_rf_write(rt2x00dev, 3, reg.rf3);
+
+ /*
+ * Clear false CRC during channel switch.
+ */
+ rt2x00pci_register_read(rt2x00dev, CNT0, &reg.rf1);
+}
+
+static void rt2500pci_config_txpower(struct rt2x00_dev *rt2x00dev,
+ const int txpower)
+{
+ u32 rf3;
+
+ rt2x00_rf_read(rt2x00dev, 3, &rf3);
+ rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
+ rt2500pci_rf_write(rt2x00dev, 3, rf3);
+}
+
+static void rt2500pci_config_antenna(struct rt2x00_dev *rt2x00dev,
+ const int antenna_tx, const int antenna_rx)
+{
+ u32 reg;
+ u8 r14;
+ u8 r2;
+
+ rt2x00pci_register_read(rt2x00dev, BBPCSR1, &reg);
+ rt2500pci_bbp_read(rt2x00dev, 14, &r14);
+ rt2500pci_bbp_read(rt2x00dev, 2, &r2);
+
+ /*
+ * Configure the TX antenna.
+ */
+ switch (antenna_tx) {
+ case ANTENNA_SW_DIVERSITY:
+ case ANTENNA_HW_DIVERSITY:
+ rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
+ rt2x00_set_field32(&reg, BBPCSR1_CCK, 2);
+ rt2x00_set_field32(&reg, BBPCSR1_OFDM, 2);
+ break;
+ case ANTENNA_A:
+ rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
+ rt2x00_set_field32(&reg, BBPCSR1_CCK, 0);
+ rt2x00_set_field32(&reg, BBPCSR1_OFDM, 0);
+ break;
+ case ANTENNA_B:
+ rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
+ rt2x00_set_field32(&reg, BBPCSR1_CCK, 2);
+ rt2x00_set_field32(&reg, BBPCSR1_OFDM, 2);
+ break;
+ }
+
+ /*
+ * Configure the RX antenna.
+ */
+ switch (antenna_rx) {
+ case ANTENNA_SW_DIVERSITY:
+ case ANTENNA_HW_DIVERSITY:
+ rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
+ break;
+ case ANTENNA_A:
+ rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
+ break;
+ case ANTENNA_B:
+ rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
+ break;
+ }
+
+ /*
+ * RT2525E and RT5222 need to flip TX I/Q
+ */
+ if (rt2x00_rf(&rt2x00dev->chip, RF2525E) ||
+ rt2x00_rf(&rt2x00dev->chip, RF5222)) {
+ rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
+ rt2x00_set_field32(&reg, BBPCSR1_CCK_FLIP, 1);
+ rt2x00_set_field32(&reg, BBPCSR1_OFDM_FLIP, 1);
+
+ /*
+ * RT2525E does not need RX I/Q Flip.
+ */
+ if (rt2x00_rf(&rt2x00dev->chip, RF2525E))
+ rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
+ } else {
+ rt2x00_set_field32(&reg, BBPCSR1_CCK_FLIP, 0);
+ rt2x00_set_field32(&reg, BBPCSR1_OFDM_FLIP, 0);
+ }
+
+ rt2x00pci_register_write(rt2x00dev, BBPCSR1, reg);
+ rt2500pci_bbp_write(rt2x00dev, 14, r14);
+ rt2500pci_bbp_write(rt2x00dev, 2, r2);
+}
+
+static void rt2500pci_config_duration(struct rt2x00_dev *rt2x00dev,
+ const int short_slot_time,
+ const int beacon_int)
+{
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
+ rt2x00_set_field32(&reg, CSR11_SLOT_TIME,
+ short_slot_time ? SHORT_SLOT_TIME : SLOT_TIME);
+ rt2x00pci_register_write(rt2x00dev, CSR11, reg);
+
+ rt2x00pci_register_read(rt2x00dev, CSR18, &reg);
+ rt2x00_set_field32(&reg, CSR18_SIFS, SIFS);
+ rt2x00_set_field32(&reg, CSR18_PIFS,
+ short_slot_time ? SHORT_PIFS : PIFS);
+ rt2x00pci_register_write(rt2x00dev, CSR18, reg);
+
+ rt2x00pci_register_read(rt2x00dev, CSR19, &reg);
+ rt2x00_set_field32(&reg, CSR19_DIFS,
+ short_slot_time ? SHORT_DIFS : DIFS);
+ rt2x00_set_field32(&reg, CSR19_EIFS, EIFS);
+ rt2x00pci_register_write(rt2x00dev, CSR19, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXCSR1, &reg);
+ rt2x00_set_field32(&reg, TXCSR1_TSF_OFFSET, IEEE80211_HEADER);
+ rt2x00_set_field32(&reg, TXCSR1_AUTORESPONDER, 1);
+ rt2x00pci_register_write(rt2x00dev, TXCSR1, reg);
+
+ rt2x00pci_register_read(rt2x00dev, CSR12, &reg);
+ rt2x00_set_field32(&reg, CSR12_BEACON_INTERVAL, beacon_int * 16);
+ rt2x00_set_field32(&reg, CSR12_CFP_MAX_DURATION, beacon_int * 16);
+ rt2x00pci_register_write(rt2x00dev, CSR12, reg);
+}
+
+static void rt2500pci_config(struct rt2x00_dev *rt2x00dev,
+ const unsigned int flags,
+ struct ieee80211_conf *conf)
+{
+ int short_slot_time = conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME;
+
+ if (flags & CONFIG_UPDATE_PHYMODE)
+ rt2500pci_config_phymode(rt2x00dev, conf->phymode);
+ if (flags & CONFIG_UPDATE_CHANNEL)
+ rt2500pci_config_channel(rt2x00dev, conf->channel_val,
+ conf->channel, conf->power_level);
+ if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
+ rt2500pci_config_txpower(rt2x00dev, conf->power_level);
+ if (flags & CONFIG_UPDATE_ANTENNA)
+ rt2500pci_config_antenna(rt2x00dev, conf->antenna_sel_tx,
+ conf->antenna_sel_rx);
+ if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
+ rt2500pci_config_duration(rt2x00dev, short_slot_time,
+ conf->beacon_int);
+}
+
+/*
+ * LED functions.
+ */
+static void rt2500pci_enable_led(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, LEDCSR, &reg);
+
+ rt2x00_set_field32(&reg, LEDCSR_ON_PERIOD, 70);
+ rt2x00_set_field32(&reg, LEDCSR_OFF_PERIOD, 30);
+
+ if (rt2x00dev->led_mode == LED_MODE_TXRX_ACTIVITY) {
+ rt2x00_set_field32(&reg, LEDCSR_LINK, 1);
+ rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 0);
+ } else if (rt2x00dev->led_mode == LED_MODE_ASUS) {
+ rt2x00_set_field32(&reg, LEDCSR_LINK, 0);
+ rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 1);
+ } else {
+ rt2x00_set_field32(&reg, LEDCSR_LINK, 1);
+ rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 1);
+ }
+
+ rt2x00pci_register_write(rt2x00dev, LEDCSR, reg);
+}
+
+static void rt2500pci_disable_led(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, LEDCSR, &reg);
+ rt2x00_set_field32(&reg, LEDCSR_LINK, 0);
+ rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 0);
+ rt2x00pci_register_write(rt2x00dev, LEDCSR, reg);
+}
+
+/*
+ * Link tuning
+ */
+static void rt2500pci_link_stats(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ /*
+ * Update FCS error count from register.
+ */
+ rt2x00pci_register_read(rt2x00dev, CNT0, &reg);
+ rt2x00dev->link.rx_failed = rt2x00_get_field32(reg, CNT0_FCS_ERROR);
+
+ /*
+ * Update False CCA count from register.
+ */
+ rt2x00pci_register_read(rt2x00dev, CNT3, &reg);
+ rt2x00dev->link.false_cca = rt2x00_get_field32(reg, CNT3_FALSE_CCA);
+}
+
+static void rt2500pci_reset_tuner(struct rt2x00_dev *rt2x00dev)
+{
+ rt2500pci_bbp_write(rt2x00dev, 17, 0x48);
+ rt2x00dev->link.vgc_level = 0x48;
+}
+
+static void rt2500pci_link_tuner(struct rt2x00_dev *rt2x00dev)
+{
+ int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
+ u8 r17;
+
+ /*
+ * To prevent collisions with MAC ASIC on chipsets
+ * up to version C the link tuning should halt after 20
+ * seconds.
+ */
+ if (rt2x00_get_rev(&rt2x00dev->chip) < RT2560_VERSION_D &&
+ rt2x00dev->link.count > 20)
+ return;
+
+ rt2500pci_bbp_read(rt2x00dev, 17, &r17);
+
+ /*
+ * Chipset versions C and lower should directly continue
+ * to the dynamic CCA tuning.
+ */
+ if (rt2x00_get_rev(&rt2x00dev->chip) < RT2560_VERSION_D)
+ goto dynamic_cca_tune;
+
+ /*
+ * A too low RSSI will cause too much false CCA which will
+ * then corrupt the R17 tuning. To remidy this the tuning should
+ * be stopped (While making sure the R17 value will not exceed limits)
+ */
+ if (rssi < -80 && rt2x00dev->link.count > 20) {
+ if (r17 >= 0x41) {
+ r17 = rt2x00dev->link.vgc_level;
+ rt2500pci_bbp_write(rt2x00dev, 17, r17);
+ }
+ return;
+ }
+
+ /*
+ * Special big-R17 for short distance
+ */
+ if (rssi >= -58) {
+ if (r17 != 0x50)
+ rt2500pci_bbp_write(rt2x00dev, 17, 0x50);
+ return;
+ }
+
+ /*
+ * Special mid-R17 for middle distance
+ */
+ if (rssi >= -74) {
+ if (r17 != 0x41)
+ rt2500pci_bbp_write(rt2x00dev, 17, 0x41);
+ return;
+ }
+
+ /*
+ * Leave short or middle distance condition, restore r17
+ * to the dynamic tuning range.
+ */
+ if (r17 >= 0x41) {
+ rt2500pci_bbp_write(rt2x00dev, 17, rt2x00dev->link.vgc_level);
+ return;
+ }
+
+dynamic_cca_tune:
+
+ /*
+ * R17 is inside the dynamic tuning range,
+ * start tuning the link based on the false cca counter.
+ */
+ if (rt2x00dev->link.false_cca > 512 && r17 < 0x40) {
+ rt2500pci_bbp_write(rt2x00dev, 17, ++r17);
+ rt2x00dev->link.vgc_level = r17;
+ } else if (rt2x00dev->link.false_cca < 100 && r17 > 0x32) {
+ rt2500pci_bbp_write(rt2x00dev, 17, --r17);
+ rt2x00dev->link.vgc_level = r17;
+ }
+}
+
+/*
+ * Initialization functions.
+ */
+static void rt2500pci_init_rxring(struct rt2x00_dev *rt2x00dev)
+{
+ struct data_ring *ring = rt2x00dev->rx;
+ struct data_desc *rxd;
+ unsigned int i;
+ u32 word;
+
+ memset(ring->data_addr, 0x00, rt2x00_get_ring_size(ring));
+
+ for (i = 0; i < ring->stats.limit; i++) {
+ rxd = ring->entry[i].priv;
+
+ rt2x00_desc_read(rxd, 1, &word);
+ rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS,
+ ring->entry[i].data_dma);
+ rt2x00_desc_write(rxd, 1, word);
+
+ rt2x00_desc_read(rxd, 0, &word);
+ rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
+ rt2x00_desc_write(rxd, 0, word);
+ }
+
+ rt2x00_ring_index_clear(rt2x00dev->rx);
+}
+
+static void rt2500pci_init_txring(struct rt2x00_dev *rt2x00dev, const int queue)
+{
+ struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue);
+ struct data_desc *txd;
+ unsigned int i;
+ u32 word;
+
+ memset(ring->data_addr, 0x00, rt2x00_get_ring_size(ring));
+
+ for (i = 0; i < ring->stats.limit; i++) {
+ txd = ring->entry[i].priv;
+
+ rt2x00_desc_read(txd, 1, &word);
+ rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS,
+ ring->entry[i].data_dma);
+ rt2x00_desc_write(txd, 1, word);
+
+ rt2x00_desc_read(txd, 0, &word);
+ rt2x00_set_field32(&word, TXD_W0_VALID, 0);
+ rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
+ rt2x00_desc_write(txd, 0, word);
+ }
+
+ rt2x00_ring_index_clear(ring);
+}
+
+static int rt2500pci_init_rings(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ /*
+ * Initialize rings.
+ */
+ rt2500pci_init_rxring(rt2x00dev);
+ rt2500pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA0);
+ rt2500pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA1);
+ rt2500pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_AFTER_BEACON);
+ rt2500pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
+
+ /*
+ * Initialize registers.
+ */
+ rt2x00pci_register_read(rt2x00dev, TXCSR2, &reg);
+ rt2x00_set_field32(&reg, TXCSR2_TXD_SIZE,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].desc_size);
+ rt2x00_set_field32(&reg, TXCSR2_NUM_TXD,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA1].stats.limit);
+ rt2x00_set_field32(&reg, TXCSR2_NUM_ATIM,
+ rt2x00dev->bcn[1].stats.limit);
+ rt2x00_set_field32(&reg, TXCSR2_NUM_PRIO,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].stats.limit);
+ rt2x00pci_register_write(rt2x00dev, TXCSR2, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXCSR3, &reg);
+ rt2x00_set_field32(&reg, TXCSR3_TX_RING_REGISTER,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA1].data_dma);
+ rt2x00pci_register_write(rt2x00dev, TXCSR3, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXCSR5, &reg);
+ rt2x00_set_field32(&reg, TXCSR5_PRIO_RING_REGISTER,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].data_dma);
+ rt2x00pci_register_write(rt2x00dev, TXCSR5, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXCSR4, &reg);
+ rt2x00_set_field32(&reg, TXCSR4_ATIM_RING_REGISTER,
+ rt2x00dev->bcn[1].data_dma);
+ rt2x00pci_register_write(rt2x00dev, TXCSR4, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXCSR6, &reg);
+ rt2x00_set_field32(&reg, TXCSR6_BEACON_RING_REGISTER,
+ rt2x00dev->bcn[0].data_dma);
+ rt2x00pci_register_write(rt2x00dev, TXCSR6, reg);
+
+ rt2x00pci_register_read(rt2x00dev, RXCSR1, &reg);
+ rt2x00_set_field32(&reg, RXCSR1_RXD_SIZE, rt2x00dev->rx->desc_size);
+ rt2x00_set_field32(&reg, RXCSR1_NUM_RXD, rt2x00dev->rx->stats.limit);
+ rt2x00pci_register_write(rt2x00dev, RXCSR1, reg);
+
+ rt2x00pci_register_read(rt2x00dev, RXCSR2, &reg);
+ rt2x00_set_field32(&reg, RXCSR2_RX_RING_REGISTER,
+ rt2x00dev->rx->data_dma);
+ rt2x00pci_register_write(rt2x00dev, RXCSR2, reg);
+
+ return 0;
+}
+
+static int rt2500pci_init_registers(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ rt2x00pci_register_write(rt2x00dev, PSCSR0, 0x00020002);
+ rt2x00pci_register_write(rt2x00dev, PSCSR1, 0x00000002);
+ rt2x00pci_register_write(rt2x00dev, PSCSR2, 0x00020002);
+ rt2x00pci_register_write(rt2x00dev, PSCSR3, 0x00000002);
+
+ rt2x00pci_register_read(rt2x00dev, TIMECSR, &reg);
+ rt2x00_set_field32(&reg, TIMECSR_US_COUNT, 33);
+ rt2x00_set_field32(&reg, TIMECSR_US_64_COUNT, 63);
+ rt2x00_set_field32(&reg, TIMECSR_BEACON_EXPECT, 0);
+ rt2x00pci_register_write(rt2x00dev, TIMECSR, reg);
+
+ rt2x00pci_register_read(rt2x00dev, CSR9, &reg);
+ rt2x00_set_field32(&reg, CSR9_MAX_FRAME_UNIT,
+ rt2x00dev->rx->data_size / 128);
+ rt2x00pci_register_write(rt2x00dev, CSR9, reg);
+
+ /*
+ * Always use CWmin and CWmax set in descriptor.
+ */
+ rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
+ rt2x00_set_field32(&reg, CSR11_CW_SELECT, 0);
+ rt2x00pci_register_write(rt2x00dev, CSR11, reg);
+
+ rt2x00pci_register_write(rt2x00dev, CNT3, 0);
+
+ rt2x00pci_register_read(rt2x00dev, TXCSR8, &reg);
+ rt2x00_set_field32(&reg, TXCSR8_BBP_ID0, 10);
+ rt2x00_set_field32(&reg, TXCSR8_BBP_ID0_VALID, 1);
+ rt2x00_set_field32(&reg, TXCSR8_BBP_ID1, 11);
+ rt2x00_set_field32(&reg, TXCSR8_BBP_ID1_VALID, 1);
+ rt2x00_set_field32(&reg, TXCSR8_BBP_ID2, 13);
+ rt2x00_set_field32(&reg, TXCSR8_BBP_ID2_VALID, 1);
+ rt2x00_set_field32(&reg, TXCSR8_BBP_ID3, 12);
+ rt2x00_set_field32(&reg, TXCSR8_BBP_ID3_VALID, 1);
+ rt2x00pci_register_write(rt2x00dev, TXCSR8, reg);
+
+ rt2x00pci_register_read(rt2x00dev, ARTCSR0, &reg);
+ rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_1MBS, 112);
+ rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_2MBS, 56);
+ rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_5_5MBS, 20);
+ rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_11MBS, 10);
+ rt2x00pci_register_write(rt2x00dev, ARTCSR0, reg);
+
+ rt2x00pci_register_read(rt2x00dev, ARTCSR1, &reg);
+ rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_6MBS, 45);
+ rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_9MBS, 37);
+ rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_12MBS, 33);
+ rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_18MBS, 29);
+ rt2x00pci_register_write(rt2x00dev, ARTCSR1, reg);
+
+ rt2x00pci_register_read(rt2x00dev, ARTCSR2, &reg);
+ rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_24MBS, 29);
+ rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_36MBS, 25);
+ rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_48MBS, 25);
+ rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_54MBS, 25);
+ rt2x00pci_register_write(rt2x00dev, ARTCSR2, reg);
+
+ rt2x00pci_register_read(rt2x00dev, RXCSR3, &reg);
+ rt2x00_set_field32(&reg, RXCSR3_BBP_ID0, 47); /* CCK Signal */
+ rt2x00_set_field32(&reg, RXCSR3_BBP_ID0_VALID, 1);
+ rt2x00_set_field32(&reg, RXCSR3_BBP_ID1, 51); /* Rssi */
+ rt2x00_set_field32(&reg, RXCSR3_BBP_ID1_VALID, 1);
+ rt2x00_set_field32(&reg, RXCSR3_BBP_ID2, 42); /* OFDM Rate */
+ rt2x00_set_field32(&reg, RXCSR3_BBP_ID2_VALID, 1);
+ rt2x00_set_field32(&reg, RXCSR3_BBP_ID3, 51); /* RSSI */
+ rt2x00_set_field32(&reg, RXCSR3_BBP_ID3_VALID, 1);
+ rt2x00pci_register_write(rt2x00dev, RXCSR3, reg);
+
+ rt2x00pci_register_read(rt2x00dev, PCICSR, &reg);
+ rt2x00_set_field32(&reg, PCICSR_BIG_ENDIAN, 0);
+ rt2x00_set_field32(&reg, PCICSR_RX_TRESHOLD, 0);
+ rt2x00_set_field32(&reg, PCICSR_TX_TRESHOLD, 3);
+ rt2x00_set_field32(&reg, PCICSR_BURST_LENTH, 1);
+ rt2x00_set_field32(&reg, PCICSR_ENABLE_CLK, 1);
+ rt2x00_set_field32(&reg, PCICSR_READ_MULTIPLE, 1);
+ rt2x00_set_field32(&reg, PCICSR_WRITE_INVALID, 1);
+ rt2x00pci_register_write(rt2x00dev, PCICSR, reg);
+
+ rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0x3f3b3100);
+
+ rt2x00pci_register_write(rt2x00dev, GPIOCSR, 0x0000ff00);
+ rt2x00pci_register_write(rt2x00dev, TESTCSR, 0x000000f0);
+
+ if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
+ return -EBUSY;
+
+ rt2x00pci_register_write(rt2x00dev, MACCSR0, 0x00213223);
+ rt2x00pci_register_write(rt2x00dev, MACCSR1, 0x00235518);
+
+ rt2x00pci_register_read(rt2x00dev, MACCSR2, &reg);
+ rt2x00_set_field32(&reg, MACCSR2_DELAY, 64);
+ rt2x00pci_register_write(rt2x00dev, MACCSR2, reg);
+
+ rt2x00pci_register_read(rt2x00dev, RALINKCSR, &reg);
+ rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_DATA0, 17);
+ rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_ID0, 26);
+ rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_VALID0, 1);
+ rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_DATA1, 0);
+ rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_ID1, 26);
+ rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_VALID1, 1);
+ rt2x00pci_register_write(rt2x00dev, RALINKCSR, reg);
+
+ rt2x00pci_register_write(rt2x00dev, BBPCSR1, 0x82188200);
+
+ rt2x00pci_register_write(rt2x00dev, TXACKCSR0, 0x00000020);
+
+ rt2x00pci_register_read(rt2x00dev, CSR1, &reg);
+ rt2x00_set_field32(&reg, CSR1_SOFT_RESET, 1);
+ rt2x00_set_field32(&reg, CSR1_BBP_RESET, 0);
+ rt2x00_set_field32(&reg, CSR1_HOST_READY, 0);
+ rt2x00pci_register_write(rt2x00dev, CSR1, reg);
+
+ rt2x00pci_register_read(rt2x00dev, CSR1, &reg);
+ rt2x00_set_field32(&reg, CSR1_SOFT_RESET, 0);
+ rt2x00_set_field32(&reg, CSR1_HOST_READY, 1);
+ rt2x00pci_register_write(rt2x00dev, CSR1, reg);
+
+ /*
+ * We must clear the FCS and FIFO error count.
+ * These registers are cleared on read,
+ * so we may pass a useless variable to store the value.
+ */
+ rt2x00pci_register_read(rt2x00dev, CNT0, &reg);
+ rt2x00pci_register_read(rt2x00dev, CNT4, &reg);
+
+ return 0;
+}
+
+static int rt2500pci_init_bbp(struct rt2x00_dev *rt2x00dev)
+{
+ unsigned int i;
+ u16 eeprom;
+ u8 reg_id;
+ u8 value;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt2500pci_bbp_read(rt2x00dev, 0, &value);
+ if ((value != 0xff) && (value != 0x00))
+ goto continue_csr_init;
+ NOTICE(rt2x00dev, "Waiting for BBP register.\n");
+ udelay(REGISTER_BUSY_DELAY);
+ }
+
+ ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
+ return -EACCES;
+
+continue_csr_init:
+ rt2500pci_bbp_write(rt2x00dev, 3, 0x02);
+ rt2500pci_bbp_write(rt2x00dev, 4, 0x19);
+ rt2500pci_bbp_write(rt2x00dev, 14, 0x1c);
+ rt2500pci_bbp_write(rt2x00dev, 15, 0x30);
+ rt2500pci_bbp_write(rt2x00dev, 16, 0xac);
+ rt2500pci_bbp_write(rt2x00dev, 18, 0x18);
+ rt2500pci_bbp_write(rt2x00dev, 19, 0xff);
+ rt2500pci_bbp_write(rt2x00dev, 20, 0x1e);
+ rt2500pci_bbp_write(rt2x00dev, 21, 0x08);
+ rt2500pci_bbp_write(rt2x00dev, 22, 0x08);
+ rt2500pci_bbp_write(rt2x00dev, 23, 0x08);
+ rt2500pci_bbp_write(rt2x00dev, 24, 0x70);
+ rt2500pci_bbp_write(rt2x00dev, 25, 0x40);
+ rt2500pci_bbp_write(rt2x00dev, 26, 0x08);
+ rt2500pci_bbp_write(rt2x00dev, 27, 0x23);
+ rt2500pci_bbp_write(rt2x00dev, 30, 0x10);
+ rt2500pci_bbp_write(rt2x00dev, 31, 0x2b);
+ rt2500pci_bbp_write(rt2x00dev, 32, 0xb9);
+ rt2500pci_bbp_write(rt2x00dev, 34, 0x12);
+ rt2500pci_bbp_write(rt2x00dev, 35, 0x50);
+ rt2500pci_bbp_write(rt2x00dev, 39, 0xc4);
+ rt2500pci_bbp_write(rt2x00dev, 40, 0x02);
+ rt2500pci_bbp_write(rt2x00dev, 41, 0x60);
+ rt2500pci_bbp_write(rt2x00dev, 53, 0x10);
+ rt2500pci_bbp_write(rt2x00dev, 54, 0x18);
+ rt2500pci_bbp_write(rt2x00dev, 56, 0x08);
+ rt2500pci_bbp_write(rt2x00dev, 57, 0x10);
+ rt2500pci_bbp_write(rt2x00dev, 58, 0x08);
+ rt2500pci_bbp_write(rt2x00dev, 61, 0x6d);
+ rt2500pci_bbp_write(rt2x00dev, 62, 0x10);
+
+ DEBUG(rt2x00dev, "Start initialization from EEPROM...\n");
+ for (i = 0; i < EEPROM_BBP_SIZE; i++) {
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
+
+ if (eeprom != 0xffff && eeprom != 0x0000) {
+ reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
+ value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
+ DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n",
+ reg_id, value);
+ rt2500pci_bbp_write(rt2x00dev, reg_id, value);
+ }
+ }
+ DEBUG(rt2x00dev, "...End initialization from EEPROM.\n");
+
+ return 0;
+}
+
+/*
+ * Device state switch handlers.
+ */
+static void rt2500pci_toggle_rx(struct rt2x00_dev *rt2x00dev,
+ enum dev_state state)
+{
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, RXCSR0, &reg);
+ rt2x00_set_field32(&reg, RXCSR0_DISABLE_RX,
+ state == STATE_RADIO_RX_OFF);
+ rt2x00pci_register_write(rt2x00dev, RXCSR0, reg);
+}
+
+static void rt2500pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
+ enum dev_state state)
+{
+ int mask = (state == STATE_RADIO_IRQ_OFF);
+ u32 reg;
+
+ /*
+ * When interrupts are being enabled, the interrupt registers
+ * should clear the register to assure a clean state.
+ */
+ if (state == STATE_RADIO_IRQ_ON) {
+ rt2x00pci_register_read(rt2x00dev, CSR7, &reg);
+ rt2x00pci_register_write(rt2x00dev, CSR7, reg);
+ }
+
+ /*
+ * Only toggle the interrupts bits we are going to use.
+ * Non-checked interrupt bits are disabled by default.
+ */
+ rt2x00pci_register_read(rt2x00dev, CSR8, &reg);
+ rt2x00_set_field32(&reg, CSR8_TBCN_EXPIRE, mask);
+ rt2x00_set_field32(&reg, CSR8_TXDONE_TXRING, mask);
+ rt2x00_set_field32(&reg, CSR8_TXDONE_ATIMRING, mask);
+ rt2x00_set_field32(&reg, CSR8_TXDONE_PRIORING, mask);
+ rt2x00_set_field32(&reg, CSR8_RXDONE, mask);
+ rt2x00pci_register_write(rt2x00dev, CSR8, reg);
+}
+
+static int rt2500pci_enable_radio(struct rt2x00_dev *rt2x00dev)
+{
+ /*
+ * Initialize all registers.
+ */
+ if (rt2500pci_init_rings(rt2x00dev) ||
+ rt2500pci_init_registers(rt2x00dev) ||
+ rt2500pci_init_bbp(rt2x00dev)) {
+ ERROR(rt2x00dev, "Register initialization failed.\n");
+ return -EIO;
+ }
+
+ /*
+ * Enable interrupts.
+ */
+ rt2500pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_ON);
+
+ /*
+ * Enable LED
+ */
+ rt2500pci_enable_led(rt2x00dev);
+
+ return 0;
+}
+
+static void rt2500pci_disable_radio(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ /*
+ * Disable LED
+ */
+ rt2500pci_disable_led(rt2x00dev);
+
+ rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0);
+
+ /*
+ * Disable synchronisation.
+ */
+ rt2x00pci_register_write(rt2x00dev, CSR14, 0);
+
+ /*
+ * Cancel RX and TX.
+ */
+ rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
+ rt2x00_set_field32(&reg, TXCSR0_ABORT, 1);
+ rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
+
+ /*
+ * Disable interrupts.
+ */
+ rt2500pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_OFF);
+}
+
+static int rt2500pci_set_state(struct rt2x00_dev *rt2x00dev,
+ enum dev_state state)
+{
+ u32 reg;
+ unsigned int i;
+ char put_to_sleep;
+ char bbp_state;
+ char rf_state;
+
+ put_to_sleep = (state != STATE_AWAKE);
+
+ rt2x00pci_register_read(rt2x00dev, PWRCSR1, &reg);
+ rt2x00_set_field32(&reg, PWRCSR1_SET_STATE, 1);
+ rt2x00_set_field32(&reg, PWRCSR1_BBP_DESIRE_STATE, state);
+ rt2x00_set_field32(&reg, PWRCSR1_RF_DESIRE_STATE, state);
+ rt2x00_set_field32(&reg, PWRCSR1_PUT_TO_SLEEP, put_to_sleep);
+ rt2x00pci_register_write(rt2x00dev, PWRCSR1, reg);
+
+ /*
+ * Device is not guaranteed to be in the requested state yet.
+ * We must wait until the register indicates that the
+ * device has entered the correct state.
+ */
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt2x00pci_register_read(rt2x00dev, PWRCSR1, &reg);
+ bbp_state = rt2x00_get_field32(reg, PWRCSR1_BBP_CURR_STATE);
+ rf_state = rt2x00_get_field32(reg, PWRCSR1_RF_CURR_STATE);
+ if (bbp_state == state && rf_state == state)
+ return 0;
+ msleep(10);
+ }
+
+ NOTICE(rt2x00dev, "Device failed to enter state %d, "
+ "current device state: bbp %d and rf %d.\n",
+ state, bbp_state, rf_state);
+
+ return -EBUSY;
+}
+
+static int rt2500pci_set_device_state(struct rt2x00_dev *rt2x00dev,
+ enum dev_state state)
+{
+ int retval = 0;
+
+ switch (state) {
+ case STATE_RADIO_ON:
+ retval = rt2500pci_enable_radio(rt2x00dev);
+ break;
+ case STATE_RADIO_OFF:
+ rt2500pci_disable_radio(rt2x00dev);
+ break;
+ case STATE_RADIO_RX_ON:
+ case STATE_RADIO_RX_OFF:
+ rt2500pci_toggle_rx(rt2x00dev, state);
+ break;
+ case STATE_DEEP_SLEEP:
+ case STATE_SLEEP:
+ case STATE_STANDBY:
+ case STATE_AWAKE:
+ retval = rt2500pci_set_state(rt2x00dev, state);
+ break;
+ default:
+ retval = -ENOTSUPP;
+ break;
+ }
+
+ return retval;
+}
+
+/*
+ * TX descriptor initialization
+ */
+static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
+ struct data_desc *txd,
+ struct data_entry_desc *desc,
+ struct ieee80211_hdr *ieee80211hdr,
+ unsigned int length,
+ struct ieee80211_tx_control *control)
+{
+ u32 word;
+
+ /*
+ * Start writing the descriptor words.
+ */
+ rt2x00_desc_read(txd, 2, &word);
+ rt2x00_set_field32(&word, TXD_W2_IV_OFFSET, IEEE80211_HEADER);
+ rt2x00_set_field32(&word, TXD_W2_AIFS, desc->aifs);
+ rt2x00_set_field32(&word, TXD_W2_CWMIN, desc->cw_min);
+ rt2x00_set_field32(&word, TXD_W2_CWMAX, desc->cw_max);
+ rt2x00_desc_write(txd, 2, word);
+
+ rt2x00_desc_read(txd, 3, &word);
+ rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL, desc->signal);
+ rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE, desc->service);
+ rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_LOW, desc->length_low);
+ rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_HIGH, desc->length_high);
+ rt2x00_desc_write(txd, 3, word);
+
+ rt2x00_desc_read(txd, 10, &word);
+ rt2x00_set_field32(&word, TXD_W10_RTS,
+ test_bit(ENTRY_TXD_RTS_FRAME, &desc->flags));
+ rt2x00_desc_write(txd, 10, word);
+
+ rt2x00_desc_read(txd, 0, &word);
+ rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1);
+ rt2x00_set_field32(&word, TXD_W0_VALID, 1);
+ rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
+ test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags));
+ rt2x00_set_field32(&word, TXD_W0_ACK,
+ !(control->flags & IEEE80211_TXCTL_NO_ACK));
+ rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
+ test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags));
+ rt2x00_set_field32(&word, TXD_W0_OFDM,
+ test_bit(ENTRY_TXD_OFDM_RATE, &desc->flags));
+ rt2x00_set_field32(&word, TXD_W0_CIPHER_OWNER, 1);
+ rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs);
+ rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
+ !!(control->flags &
+ IEEE80211_TXCTL_LONG_RETRY_LIMIT));
+ rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, length);
+ rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE);
+ rt2x00_desc_write(txd, 0, word);
+}
+
+/*
+ * TX data initialization
+ */
+static void rt2500pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
+ unsigned int queue)
+{
+ u32 reg;
+
+ if (queue == IEEE80211_TX_QUEUE_BEACON) {
+ rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
+ if (!rt2x00_get_field32(reg, CSR14_BEACON_GEN)) {
+ rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 1);
+ rt2x00pci_register_write(rt2x00dev, CSR14, reg);
+ }
+ return;
+ }
+
+ rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
+ if (queue == IEEE80211_TX_QUEUE_DATA0)
+ rt2x00_set_field32(&reg, TXCSR0_KICK_PRIO, 1);
+ else if (queue == IEEE80211_TX_QUEUE_DATA1)
+ rt2x00_set_field32(&reg, TXCSR0_KICK_TX, 1);
+ else if (queue == IEEE80211_TX_QUEUE_AFTER_BEACON)
+ rt2x00_set_field32(&reg, TXCSR0_KICK_ATIM, 1);
+ rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
+}
+
+/*
+ * RX control handlers
+ */
+static int rt2500pci_fill_rxdone(struct data_entry *entry,
+ int *signal, int *rssi, int *ofdm, int *size)
+{
+ struct data_desc *rxd = entry->priv;
+ u32 word0;
+ u32 word2;
+
+ rt2x00_desc_read(rxd, 0, &word0);
+ rt2x00_desc_read(rxd, 2, &word2);
+
+ if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR) ||
+ rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR) ||
+ rt2x00_get_field32(word0, RXD_W0_ICV_ERROR))
+ return -EINVAL;
+
+ *signal = rt2x00_get_field32(word2, RXD_W2_SIGNAL);
+ *rssi = rt2x00_get_field32(word2, RXD_W2_RSSI) -
+ entry->ring->rt2x00dev->rssi_offset;
+ *ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM);
+ *size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
+
+ return 0;
+}
+
+/*
+ * Interrupt functions.
+ */
+static void rt2500pci_txdone(struct rt2x00_dev *rt2x00dev, const int queue)
+{
+ struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue);
+ struct data_entry *entry;
+ struct data_desc *txd;
+ u32 word;
+ int tx_status;
+ int retry;
+
+ while (!rt2x00_ring_empty(ring)) {
+ entry = rt2x00_get_data_entry_done(ring);
+ txd = entry->priv;
+ rt2x00_desc_read(txd, 0, &word);
+
+ if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
+ !rt2x00_get_field32(word, TXD_W0_VALID))
+ break;
+
+ /*
+ * Obtain the status about this packet.
+ */
+ tx_status = rt2x00_get_field32(word, TXD_W0_RESULT);
+ retry = rt2x00_get_field32(word, TXD_W0_RETRY_COUNT);
+
+ rt2x00lib_txdone(entry, tx_status, retry);
+
+ /*
+ * Make this entry available for reuse.
+ */
+ entry->flags = 0;
+ rt2x00_set_field32(&word, TXD_W0_VALID, 0);
+ rt2x00_desc_write(txd, 0, word);
+ rt2x00_ring_index_done_inc(ring);
+ }
+
+ /*
+ * If the data ring was full before the txdone handler
+ * we must make sure the packet queue in the mac80211 stack
+ * is reenabled when the txdone handler has finished.
+ */
+ entry = ring->entry;
+ if (!rt2x00_ring_full(ring))
+ ieee80211_wake_queue(rt2x00dev->hw,
+ entry->tx_status.control.queue);
+}
+
+static irqreturn_t rt2500pci_interrupt(int irq, void *dev_instance)
+{
+ struct rt2x00_dev *rt2x00dev = dev_instance;
+ u32 reg;
+
+ /*
+ * Get the interrupt sources & saved to local variable.
+ * Write register value back to clear pending interrupts.
+ */
+ rt2x00pci_register_read(rt2x00dev, CSR7, &reg);
+ rt2x00pci_register_write(rt2x00dev, CSR7, reg);
+
+ if (!reg)
+ return IRQ_NONE;
+
+ if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+ return IRQ_HANDLED;
+
+ /*
+ * Handle interrupts, walk through all bits
+ * and run the tasks, the bits are checked in order of
+ * priority.
+ */
+
+ /*
+ * 1 - Beacon timer expired interrupt.
+ */
+ if (rt2x00_get_field32(reg, CSR7_TBCN_EXPIRE))
+ rt2x00lib_beacondone(rt2x00dev);
+
+ /*
+ * 2 - Rx ring done interrupt.
+ */
+ if (rt2x00_get_field32(reg, CSR7_RXDONE))
+ rt2x00pci_rxdone(rt2x00dev);
+
+ /*
+ * 3 - Atim ring transmit done interrupt.
+ */
+ if (rt2x00_get_field32(reg, CSR7_TXDONE_ATIMRING))
+ rt2500pci_txdone(rt2x00dev, IEEE80211_TX_QUEUE_AFTER_BEACON);
+
+ /*
+ * 4 - Priority ring transmit done interrupt.
+ */
+ if (rt2x00_get_field32(reg, CSR7_TXDONE_PRIORING))
+ rt2500pci_txdone(rt2x00dev, IEEE80211_TX_QUEUE_DATA0);
+
+ /*
+ * 5 - Tx ring transmit done interrupt.
+ */
+ if (rt2x00_get_field32(reg, CSR7_TXDONE_TXRING))
+ rt2500pci_txdone(rt2x00dev, IEEE80211_TX_QUEUE_DATA1);
+
+ return IRQ_HANDLED;
+}
+
+/*
+ * Device probe functions.
+ */
+static int rt2500pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+ struct eeprom_93cx6 eeprom;
+ u32 reg;
+ u16 word;
+ u8 *mac;
+
+ rt2x00pci_register_read(rt2x00dev, CSR21, &reg);
+
+ eeprom.data = rt2x00dev;
+ eeprom.register_read = rt2500pci_eepromregister_read;
+ eeprom.register_write = rt2500pci_eepromregister_write;
+ eeprom.width = rt2x00_get_field32(reg, CSR21_TYPE_93C46) ?
+ PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66;
+ eeprom.reg_data_in = 0;
+ eeprom.reg_data_out = 0;
+ eeprom.reg_data_clock = 0;
+ eeprom.reg_chip_select = 0;
+
+ eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
+ EEPROM_SIZE / sizeof(u16));
+
+ /*
+ * Start validation of the data that has been read.
+ */
+ mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
+ if (!is_valid_ether_addr(mac)) {
+ random_ether_addr(mac);
+ EEPROM(rt2x00dev, "MAC: " MAC_FMT "\n", MAC_ARG(mac));
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
+ if (word == 0xffff) {
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, 0);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, 0);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE, 0);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
+ EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
+ if (word == 0xffff) {
+ rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
+ rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0);
+ rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
+ EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word);
+ if (word == 0xffff) {
+ rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI,
+ DEFAULT_RSSI_OFFSET);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word);
+ EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word);
+ }
+
+ return 0;
+}
+
+static int rt2500pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+ u16 value;
+ u16 eeprom;
+
+ /*
+ * Read EEPROM word for configuration.
+ */
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
+
+ /*
+ * Identify RF chipset.
+ */
+ value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
+ rt2x00pci_register_read(rt2x00dev, CSR0, &reg);
+ rt2x00_set_chip(rt2x00dev, RT2560, value, reg);
+
+ if (!rt2x00_rf(&rt2x00dev->chip, RF2522) &&
+ !rt2x00_rf(&rt2x00dev->chip, RF2523) &&
+ !rt2x00_rf(&rt2x00dev->chip, RF2524) &&
+ !rt2x00_rf(&rt2x00dev->chip, RF2525) &&
+ !rt2x00_rf(&rt2x00dev->chip, RF2525E) &&
+ !rt2x00_rf(&rt2x00dev->chip, RF5222)) {
+ ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
+ return -ENODEV;
+ }
+
+ /*
+ * Identify default antenna configuration.
+ */
+ rt2x00dev->hw->conf.antenna_sel_tx =
+ rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
+ rt2x00dev->hw->conf.antenna_sel_rx =
+ rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
+
+ /*
+ * Store led mode, for correct led behaviour.
+ */
+ rt2x00dev->led_mode =
+ rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
+
+ /*
+ * Detect if this device has an hardware controlled radio.
+ */
+ if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
+ __set_bit(DEVICE_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
+
+ /*
+ * Check if the BBP tuning should be enabled.
+ */
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
+
+ if (rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE))
+ __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
+
+ /*
+ * Read the RSSI <-> dBm offset information.
+ */
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom);
+ rt2x00dev->rssi_offset =
+ rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI);
+
+ return 0;
+}
+
+/*
+ * RF value list for RF2522
+ * Supports: 2.4 GHz
+ */
+static const struct rf_channel rf_vals_bg_2522[] = {
+ { 1, 0x00002050, 0x000c1fda, 0x00000101, 0 },
+ { 2, 0x00002050, 0x000c1fee, 0x00000101, 0 },
+ { 3, 0x00002050, 0x000c2002, 0x00000101, 0 },
+ { 4, 0x00002050, 0x000c2016, 0x00000101, 0 },
+ { 5, 0x00002050, 0x000c202a, 0x00000101, 0 },
+ { 6, 0x00002050, 0x000c203e, 0x00000101, 0 },
+ { 7, 0x00002050, 0x000c2052, 0x00000101, 0 },
+ { 8, 0x00002050, 0x000c2066, 0x00000101, 0 },
+ { 9, 0x00002050, 0x000c207a, 0x00000101, 0 },
+ { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
+ { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
+ { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
+ { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
+ { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
+};
+
+/*
+ * RF value list for RF2523
+ * Supports: 2.4 GHz
+ */
+static const struct rf_channel rf_vals_bg_2523[] = {
+ { 1, 0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
+ { 2, 0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
+ { 3, 0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
+ { 4, 0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
+ { 5, 0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
+ { 6, 0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
+ { 7, 0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
+ { 8, 0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
+ { 9, 0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
+ { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
+ { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
+ { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
+ { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
+ { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
+};
+
+/*
+ * RF value list for RF2524
+ * Supports: 2.4 GHz
+ */
+static const struct rf_channel rf_vals_bg_2524[] = {
+ { 1, 0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
+ { 2, 0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
+ { 3, 0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
+ { 4, 0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
+ { 5, 0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
+ { 6, 0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
+ { 7, 0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
+ { 8, 0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
+ { 9, 0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
+ { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
+ { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
+ { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
+ { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
+ { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
+};
+
+/*
+ * RF value list for RF2525
+ * Supports: 2.4 GHz
+ */
+static const struct rf_channel rf_vals_bg_2525[] = {
+ { 1, 0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
+ { 2, 0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
+ { 3, 0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
+ { 4, 0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
+ { 5, 0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
+ { 6, 0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
+ { 7, 0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
+ { 8, 0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
+ { 9, 0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
+ { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
+ { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
+ { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
+ { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
+ { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
+};
+
+/*
+ * RF value list for RF2525e
+ * Supports: 2.4 GHz
+ */
+static const struct rf_channel rf_vals_bg_2525e[] = {
+ { 1, 0x00022020, 0x00081136, 0x00060111, 0x00000a0b },
+ { 2, 0x00022020, 0x0008113a, 0x00060111, 0x00000a0b },
+ { 3, 0x00022020, 0x0008113e, 0x00060111, 0x00000a0b },
+ { 4, 0x00022020, 0x00081182, 0x00060111, 0x00000a0b },
+ { 5, 0x00022020, 0x00081186, 0x00060111, 0x00000a0b },
+ { 6, 0x00022020, 0x0008118a, 0x00060111, 0x00000a0b },
+ { 7, 0x00022020, 0x0008118e, 0x00060111, 0x00000a0b },
+ { 8, 0x00022020, 0x00081192, 0x00060111, 0x00000a0b },
+ { 9, 0x00022020, 0x00081196, 0x00060111, 0x00000a0b },
+ { 10, 0x00022020, 0x0008119a, 0x00060111, 0x00000a0b },
+ { 11, 0x00022020, 0x0008119e, 0x00060111, 0x00000a0b },
+ { 12, 0x00022020, 0x000811a2, 0x00060111, 0x00000a0b },
+ { 13, 0x00022020, 0x000811a6, 0x00060111, 0x00000a0b },
+ { 14, 0x00022020, 0x000811ae, 0x00060111, 0x00000a1b },
+};
+
+/*
+ * RF value list for RF5222
+ * Supports: 2.4 GHz & 5.2 GHz
+ */
+static const struct rf_channel rf_vals_5222[] = {
+ { 1, 0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
+ { 2, 0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
+ { 3, 0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
+ { 4, 0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
+ { 5, 0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
+ { 6, 0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
+ { 7, 0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
+ { 8, 0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
+ { 9, 0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
+ { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
+ { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
+ { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
+ { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
+ { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
+
+ /* 802.11 UNI / HyperLan 2 */
+ { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
+ { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
+ { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
+ { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
+ { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
+ { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
+ { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
+ { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
+
+ /* 802.11 HyperLan 2 */
+ { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
+ { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
+ { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
+ { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
+ { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
+ { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
+ { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
+ { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
+ { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
+ { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
+
+ /* 802.11 UNII */
+ { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
+ { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
+ { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
+ { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
+ { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
+};
+
+static void rt2500pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
+{
+ struct hw_mode_spec *spec = &rt2x00dev->spec;
+ u8 *txpower;
+ unsigned int i;
+
+ /*
+ * Initialize all hw fields.
+ */
+ rt2x00dev->hw->flags =
+ IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+ IEEE80211_HW_MONITOR_DURING_OPER |
+ IEEE80211_HW_NO_PROBE_FILTERING;
+ rt2x00dev->hw->extra_tx_headroom = 0;
+ rt2x00dev->hw->max_signal = MAX_SIGNAL;
+ rt2x00dev->hw->max_rssi = MAX_RX_SSI;
+ rt2x00dev->hw->queues = 2;
+
+ SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_pci(rt2x00dev)->dev);
+ SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
+ rt2x00_eeprom_addr(rt2x00dev,
+ EEPROM_MAC_ADDR_0));
+
+ /*
+ * Convert tx_power array in eeprom.
+ */
+ txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
+ for (i = 0; i < 14; i++)
+ txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
+
+ /*
+ * Initialize hw_mode information.
+ */
+ spec->num_modes = 2;
+ spec->num_rates = 12;
+ spec->tx_power_a = NULL;
+ spec->tx_power_bg = txpower;
+ spec->tx_power_default = DEFAULT_TXPOWER;
+
+ if (rt2x00_rf(&rt2x00dev->chip, RF2522)) {
+ spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522);
+ spec->channels = rf_vals_bg_2522;
+ } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) {
+ spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523);
+ spec->channels = rf_vals_bg_2523;
+ } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) {
+ spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524);
+ spec->channels = rf_vals_bg_2524;
+ } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
+ spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525);
+ spec->channels = rf_vals_bg_2525;
+ } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
+ spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
+ spec->channels = rf_vals_bg_2525e;
+ } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) {
+ spec->num_channels = ARRAY_SIZE(rf_vals_5222);
+ spec->channels = rf_vals_5222;
+ spec->num_modes = 3;
+ }
+}
+
+static int rt2500pci_probe_hw(struct rt2x00_dev *rt2x00dev)
+{
+ int retval;
+
+ /*
+ * Allocate eeprom data.
+ */
+ retval = rt2500pci_validate_eeprom(rt2x00dev);
+ if (retval)
+ return retval;
+
+ retval = rt2500pci_init_eeprom(rt2x00dev);
+ if (retval)
+ return retval;
+
+ /*
+ * Initialize hw specifications.
+ */
+ rt2500pci_probe_hw_mode(rt2x00dev);
+
+ /*
+ * This device requires the beacon ring
+ */
+ __set_bit(REQUIRE_BEACON_RING, &rt2x00dev->flags);
+
+ /*
+ * Set the rssi offset.
+ */
+ rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
+
+ return 0;
+}
+
+/*
+ * IEEE80211 stack callback functions.
+ */
+static int rt2500pci_set_retry_limit(struct ieee80211_hw *hw,
+ u32 short_retry, u32 long_retry)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
+ rt2x00_set_field32(&reg, CSR11_LONG_RETRY, long_retry);
+ rt2x00_set_field32(&reg, CSR11_SHORT_RETRY, short_retry);
+ rt2x00pci_register_write(rt2x00dev, CSR11, reg);
+
+ return 0;
+}
+
+static u64 rt2500pci_get_tsf(struct ieee80211_hw *hw)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ u64 tsf;
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, CSR17, &reg);
+ tsf = (u64) rt2x00_get_field32(reg, CSR17_HIGH_TSFTIMER) << 32;
+ rt2x00pci_register_read(rt2x00dev, CSR16, &reg);
+ tsf |= rt2x00_get_field32(reg, CSR16_LOW_TSFTIMER);
+
+ return tsf;
+}
+
+static void rt2500pci_reset_tsf(struct ieee80211_hw *hw)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+
+ rt2x00pci_register_write(rt2x00dev, CSR16, 0);
+ rt2x00pci_register_write(rt2x00dev, CSR17, 0);
+}
+
+static int rt2500pci_tx_last_beacon(struct ieee80211_hw *hw)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, CSR15, &reg);
+ return rt2x00_get_field32(reg, CSR15_BEACON_SENT);
+}
+
+static const struct ieee80211_ops rt2500pci_mac80211_ops = {
+ .tx = rt2x00mac_tx,
+ .add_interface = rt2x00mac_add_interface,
+ .remove_interface = rt2x00mac_remove_interface,
+ .config = rt2x00mac_config,
+ .config_interface = rt2x00mac_config_interface,
+ .set_multicast_list = rt2x00mac_set_multicast_list,
+ .get_stats = rt2x00mac_get_stats,
+ .set_retry_limit = rt2500pci_set_retry_limit,
+ .conf_tx = rt2x00mac_conf_tx,
+ .get_tx_stats = rt2x00mac_get_tx_stats,
+ .get_tsf = rt2500pci_get_tsf,
+ .reset_tsf = rt2500pci_reset_tsf,
+ .beacon_update = rt2x00pci_beacon_update,
+ .tx_last_beacon = rt2500pci_tx_last_beacon,
+};
+
+static const struct rt2x00lib_ops rt2500pci_rt2x00_ops = {
+ .irq_handler = rt2500pci_interrupt,
+ .probe_hw = rt2500pci_probe_hw,
+ .initialize = rt2x00pci_initialize,
+ .uninitialize = rt2x00pci_uninitialize,
+ .set_device_state = rt2500pci_set_device_state,
+#ifdef CONFIG_RT2500PCI_RFKILL
+ .rfkill_poll = rt2500pci_rfkill_poll,
+#endif /* CONFIG_RT2500PCI_RFKILL */
+ .link_stats = rt2500pci_link_stats,
+ .reset_tuner = rt2500pci_reset_tuner,
+ .link_tuner = rt2500pci_link_tuner,
+ .write_tx_desc = rt2500pci_write_tx_desc,
+ .write_tx_data = rt2x00pci_write_tx_data,
+ .kick_tx_queue = rt2500pci_kick_tx_queue,
+ .fill_rxdone = rt2500pci_fill_rxdone,
+ .config_mac_addr = rt2500pci_config_mac_addr,
+ .config_bssid = rt2500pci_config_bssid,
+ .config_packet_filter = rt2500pci_config_packet_filter,
+ .config_type = rt2500pci_config_type,
+ .config = rt2500pci_config,
+};
+
+static const struct rt2x00_ops rt2500pci_ops = {
+ .name = DRV_NAME,
+ .rxd_size = RXD_DESC_SIZE,
+ .txd_size = TXD_DESC_SIZE,
+ .eeprom_size = EEPROM_SIZE,
+ .rf_size = RF_SIZE,
+ .lib = &rt2500pci_rt2x00_ops,
+ .hw = &rt2500pci_mac80211_ops,
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+ .debugfs = &rt2500pci_rt2x00debug,
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+};
+
+/*
+ * RT2500pci module information.
+ */
+static struct pci_device_id rt2500pci_device_table[] = {
+ { PCI_DEVICE(0x1814, 0x0201), PCI_DEVICE_DATA(&rt2500pci_ops) },
+ { 0, }
+};
+
+MODULE_AUTHOR(DRV_PROJECT);
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("Ralink RT2500 PCI & PCMCIA Wireless LAN driver.");
+MODULE_SUPPORTED_DEVICE("Ralink RT2560 PCI & PCMCIA chipset based cards");
+MODULE_DEVICE_TABLE(pci, rt2500pci_device_table);
+MODULE_LICENSE("GPL");
+
+static struct pci_driver rt2500pci_driver = {
+ .name = DRV_NAME,
+ .id_table = rt2500pci_device_table,
+ .probe = rt2x00pci_probe,
+ .remove = __devexit_p(rt2x00pci_remove),
+ .suspend = rt2x00pci_suspend,
+ .resume = rt2x00pci_resume,
+};
+
+static int __init rt2500pci_init(void)
+{
+ return pci_register_driver(&rt2500pci_driver);
+}
+
+static void __exit rt2500pci_exit(void)
+{
+ pci_unregister_driver(&rt2500pci_driver);
+}
+
+module_init(rt2500pci_init);
+module_exit(rt2500pci_exit);
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.h b/drivers/net/wireless/rt2x00/rt2500pci.h
new file mode 100644
index 00000000000..d92aa56b2f4
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2500pci.h
@@ -0,0 +1,1236 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2500pci
+ Abstract: Data structures and registers for the rt2500pci module.
+ Supported chipsets: RT2560.
+ */
+
+#ifndef RT2500PCI_H
+#define RT2500PCI_H
+
+/*
+ * RF chip defines.
+ */
+#define RF2522 0x0000
+#define RF2523 0x0001
+#define RF2524 0x0002
+#define RF2525 0x0003
+#define RF2525E 0x0004
+#define RF5222 0x0010
+
+/*
+ * RT2560 version
+ */
+#define RT2560_VERSION_B 2
+#define RT2560_VERSION_C 3
+#define RT2560_VERSION_D 4
+
+/*
+ * Signal information.
+ * Defaul offset is required for RSSI <-> dBm conversion.
+ */
+#define MAX_SIGNAL 100
+#define MAX_RX_SSI -1
+#define DEFAULT_RSSI_OFFSET 121
+
+/*
+ * Register layout information.
+ */
+#define CSR_REG_BASE 0x0000
+#define CSR_REG_SIZE 0x0174
+#define EEPROM_BASE 0x0000
+#define EEPROM_SIZE 0x0200
+#define BBP_SIZE 0x0040
+#define RF_SIZE 0x0014
+
+/*
+ * Control/Status Registers(CSR).
+ * Some values are set in TU, whereas 1 TU == 1024 us.
+ */
+
+/*
+ * CSR0: ASIC revision number.
+ */
+#define CSR0 0x0000
+
+/*
+ * CSR1: System control register.
+ * SOFT_RESET: Software reset, 1: reset, 0: normal.
+ * BBP_RESET: Hardware reset, 1: reset, 0, release.
+ * HOST_READY: Host ready after initialization.
+ */
+#define CSR1 0x0004
+#define CSR1_SOFT_RESET FIELD32(0x00000001)
+#define CSR1_BBP_RESET FIELD32(0x00000002)
+#define CSR1_HOST_READY FIELD32(0x00000004)
+
+/*
+ * CSR2: System admin status register (invalid).
+ */
+#define CSR2 0x0008
+
+/*
+ * CSR3: STA MAC address register 0.
+ */
+#define CSR3 0x000c
+#define CSR3_BYTE0 FIELD32(0x000000ff)
+#define CSR3_BYTE1 FIELD32(0x0000ff00)
+#define CSR3_BYTE2 FIELD32(0x00ff0000)
+#define CSR3_BYTE3 FIELD32(0xff000000)
+
+/*
+ * CSR4: STA MAC address register 1.
+ */
+#define CSR4 0x0010
+#define CSR4_BYTE4 FIELD32(0x000000ff)
+#define CSR4_BYTE5 FIELD32(0x0000ff00)
+
+/*
+ * CSR5: BSSID register 0.
+ */
+#define CSR5 0x0014
+#define CSR5_BYTE0 FIELD32(0x000000ff)
+#define CSR5_BYTE1 FIELD32(0x0000ff00)
+#define CSR5_BYTE2 FIELD32(0x00ff0000)
+#define CSR5_BYTE3 FIELD32(0xff000000)
+
+/*
+ * CSR6: BSSID register 1.
+ */
+#define CSR6 0x0018
+#define CSR6_BYTE4 FIELD32(0x000000ff)
+#define CSR6_BYTE5 FIELD32(0x0000ff00)
+
+/*
+ * CSR7: Interrupt source register.
+ * Write 1 to clear.
+ * TBCN_EXPIRE: Beacon timer expired interrupt.
+ * TWAKE_EXPIRE: Wakeup timer expired interrupt.
+ * TATIMW_EXPIRE: Timer of atim window expired interrupt.
+ * TXDONE_TXRING: Tx ring transmit done interrupt.
+ * TXDONE_ATIMRING: Atim ring transmit done interrupt.
+ * TXDONE_PRIORING: Priority ring transmit done interrupt.
+ * RXDONE: Receive done interrupt.
+ * DECRYPTION_DONE: Decryption done interrupt.
+ * ENCRYPTION_DONE: Encryption done interrupt.
+ * UART1_TX_TRESHOLD: UART1 TX reaches threshold.
+ * UART1_RX_TRESHOLD: UART1 RX reaches threshold.
+ * UART1_IDLE_TRESHOLD: UART1 IDLE over threshold.
+ * UART1_TX_BUFF_ERROR: UART1 TX buffer error.
+ * UART1_RX_BUFF_ERROR: UART1 RX buffer error.
+ * UART2_TX_TRESHOLD: UART2 TX reaches threshold.
+ * UART2_RX_TRESHOLD: UART2 RX reaches threshold.
+ * UART2_IDLE_TRESHOLD: UART2 IDLE over threshold.
+ * UART2_TX_BUFF_ERROR: UART2 TX buffer error.
+ * UART2_RX_BUFF_ERROR: UART2 RX buffer error.
+ * TIMER_CSR3_EXPIRE: TIMECSR3 timer expired (802.1H quiet period).
+
+ */
+#define CSR7 0x001c
+#define CSR7_TBCN_EXPIRE FIELD32(0x00000001)
+#define CSR7_TWAKE_EXPIRE FIELD32(0x00000002)
+#define CSR7_TATIMW_EXPIRE FIELD32(0x00000004)
+#define CSR7_TXDONE_TXRING FIELD32(0x00000008)
+#define CSR7_TXDONE_ATIMRING FIELD32(0x00000010)
+#define CSR7_TXDONE_PRIORING FIELD32(0x00000020)
+#define CSR7_RXDONE FIELD32(0x00000040)
+#define CSR7_DECRYPTION_DONE FIELD32(0x00000080)
+#define CSR7_ENCRYPTION_DONE FIELD32(0x00000100)
+#define CSR7_UART1_TX_TRESHOLD FIELD32(0x00000200)
+#define CSR7_UART1_RX_TRESHOLD FIELD32(0x00000400)
+#define CSR7_UART1_IDLE_TRESHOLD FIELD32(0x00000800)
+#define CSR7_UART1_TX_BUFF_ERROR FIELD32(0x00001000)
+#define CSR7_UART1_RX_BUFF_ERROR FIELD32(0x00002000)
+#define CSR7_UART2_TX_TRESHOLD FIELD32(0x00004000)
+#define CSR7_UART2_RX_TRESHOLD FIELD32(0x00008000)
+#define CSR7_UART2_IDLE_TRESHOLD FIELD32(0x00010000)
+#define CSR7_UART2_TX_BUFF_ERROR FIELD32(0x00020000)
+#define CSR7_UART2_RX_BUFF_ERROR FIELD32(0x00040000)
+#define CSR7_TIMER_CSR3_EXPIRE FIELD32(0x00080000)
+
+/*
+ * CSR8: Interrupt mask register.
+ * Write 1 to mask interrupt.
+ * TBCN_EXPIRE: Beacon timer expired interrupt.
+ * TWAKE_EXPIRE: Wakeup timer expired interrupt.
+ * TATIMW_EXPIRE: Timer of atim window expired interrupt.
+ * TXDONE_TXRING: Tx ring transmit done interrupt.
+ * TXDONE_ATIMRING: Atim ring transmit done interrupt.
+ * TXDONE_PRIORING: Priority ring transmit done interrupt.
+ * RXDONE: Receive done interrupt.
+ * DECRYPTION_DONE: Decryption done interrupt.
+ * ENCRYPTION_DONE: Encryption done interrupt.
+ * UART1_TX_TRESHOLD: UART1 TX reaches threshold.
+ * UART1_RX_TRESHOLD: UART1 RX reaches threshold.
+ * UART1_IDLE_TRESHOLD: UART1 IDLE over threshold.
+ * UART1_TX_BUFF_ERROR: UART1 TX buffer error.
+ * UART1_RX_BUFF_ERROR: UART1 RX buffer error.
+ * UART2_TX_TRESHOLD: UART2 TX reaches threshold.
+ * UART2_RX_TRESHOLD: UART2 RX reaches threshold.
+ * UART2_IDLE_TRESHOLD: UART2 IDLE over threshold.
+ * UART2_TX_BUFF_ERROR: UART2 TX buffer error.
+ * UART2_RX_BUFF_ERROR: UART2 RX buffer error.
+ * TIMER_CSR3_EXPIRE: TIMECSR3 timer expired (802.1H quiet period).
+ */
+#define CSR8 0x0020
+#define CSR8_TBCN_EXPIRE FIELD32(0x00000001)
+#define CSR8_TWAKE_EXPIRE FIELD32(0x00000002)
+#define CSR8_TATIMW_EXPIRE FIELD32(0x00000004)
+#define CSR8_TXDONE_TXRING FIELD32(0x00000008)
+#define CSR8_TXDONE_ATIMRING FIELD32(0x00000010)
+#define CSR8_TXDONE_PRIORING FIELD32(0x00000020)
+#define CSR8_RXDONE FIELD32(0x00000040)
+#define CSR8_DECRYPTION_DONE FIELD32(0x00000080)
+#define CSR8_ENCRYPTION_DONE FIELD32(0x00000100)
+#define CSR8_UART1_TX_TRESHOLD FIELD32(0x00000200)
+#define CSR8_UART1_RX_TRESHOLD FIELD32(0x00000400)
+#define CSR8_UART1_IDLE_TRESHOLD FIELD32(0x00000800)
+#define CSR8_UART1_TX_BUFF_ERROR FIELD32(0x00001000)
+#define CSR8_UART1_RX_BUFF_ERROR FIELD32(0x00002000)
+#define CSR8_UART2_TX_TRESHOLD FIELD32(0x00004000)
+#define CSR8_UART2_RX_TRESHOLD FIELD32(0x00008000)
+#define CSR8_UART2_IDLE_TRESHOLD FIELD32(0x00010000)
+#define CSR8_UART2_TX_BUFF_ERROR FIELD32(0x00020000)
+#define CSR8_UART2_RX_BUFF_ERROR FIELD32(0x00040000)
+#define CSR8_TIMER_CSR3_EXPIRE FIELD32(0x00080000)
+
+/*
+ * CSR9: Maximum frame length register.
+ * MAX_FRAME_UNIT: Maximum frame length in 128b unit, default: 12.
+ */
+#define CSR9 0x0024
+#define CSR9_MAX_FRAME_UNIT FIELD32(0x00000f80)
+
+/*
+ * SECCSR0: WEP control register.
+ * KICK_DECRYPT: Kick decryption engine, self-clear.
+ * ONE_SHOT: 0: ring mode, 1: One shot only mode.
+ * DESC_ADDRESS: Descriptor physical address of frame.
+ */
+#define SECCSR0 0x0028
+#define SECCSR0_KICK_DECRYPT FIELD32(0x00000001)
+#define SECCSR0_ONE_SHOT FIELD32(0x00000002)
+#define SECCSR0_DESC_ADDRESS FIELD32(0xfffffffc)
+
+/*
+ * CSR11: Back-off control register.
+ * CWMIN: CWmin. Default cwmin is 31 (2^5 - 1).
+ * CWMAX: CWmax. Default cwmax is 1023 (2^10 - 1).
+ * SLOT_TIME: Slot time, default is 20us for 802.11b
+ * CW_SELECT: CWmin/CWmax selection, 1: Register, 0: TXD.
+ * LONG_RETRY: Long retry count.
+ * SHORT_RETRY: Short retry count.
+ */
+#define CSR11 0x002c
+#define CSR11_CWMIN FIELD32(0x0000000f)
+#define CSR11_CWMAX FIELD32(0x000000f0)
+#define CSR11_SLOT_TIME FIELD32(0x00001f00)
+#define CSR11_CW_SELECT FIELD32(0x00002000)
+#define CSR11_LONG_RETRY FIELD32(0x00ff0000)
+#define CSR11_SHORT_RETRY FIELD32(0xff000000)
+
+/*
+ * CSR12: Synchronization configuration register 0.
+ * All units in 1/16 TU.
+ * BEACON_INTERVAL: Beacon interval, default is 100 TU.
+ * CFP_MAX_DURATION: Cfp maximum duration, default is 100 TU.
+ */
+#define CSR12 0x0030
+#define CSR12_BEACON_INTERVAL FIELD32(0x0000ffff)
+#define CSR12_CFP_MAX_DURATION FIELD32(0xffff0000)
+
+/*
+ * CSR13: Synchronization configuration register 1.
+ * All units in 1/16 TU.
+ * ATIMW_DURATION: Atim window duration.
+ * CFP_PERIOD: Cfp period, default is 0 TU.
+ */
+#define CSR13 0x0034
+#define CSR13_ATIMW_DURATION FIELD32(0x0000ffff)
+#define CSR13_CFP_PERIOD FIELD32(0x00ff0000)
+
+/*
+ * CSR14: Synchronization control register.
+ * TSF_COUNT: Enable tsf auto counting.
+ * TSF_SYNC: Tsf sync, 0: disable, 1: infra, 2: ad-hoc/master mode.
+ * TBCN: Enable tbcn with reload value.
+ * TCFP: Enable tcfp & cfp / cp switching.
+ * TATIMW: Enable tatimw & atim window switching.
+ * BEACON_GEN: Enable beacon generator.
+ * CFP_COUNT_PRELOAD: Cfp count preload value.
+ * TBCM_PRELOAD: Tbcn preload value in units of 64us.
+ */
+#define CSR14 0x0038
+#define CSR14_TSF_COUNT FIELD32(0x00000001)
+#define CSR14_TSF_SYNC FIELD32(0x00000006)
+#define CSR14_TBCN FIELD32(0x00000008)
+#define CSR14_TCFP FIELD32(0x00000010)
+#define CSR14_TATIMW FIELD32(0x00000020)
+#define CSR14_BEACON_GEN FIELD32(0x00000040)
+#define CSR14_CFP_COUNT_PRELOAD FIELD32(0x0000ff00)
+#define CSR14_TBCM_PRELOAD FIELD32(0xffff0000)
+
+/*
+ * CSR15: Synchronization status register.
+ * CFP: ASIC is in contention-free period.
+ * ATIMW: ASIC is in ATIM window.
+ * BEACON_SENT: Beacon is send.
+ */
+#define CSR15 0x003c
+#define CSR15_CFP FIELD32(0x00000001)
+#define CSR15_ATIMW FIELD32(0x00000002)
+#define CSR15_BEACON_SENT FIELD32(0x00000004)
+
+/*
+ * CSR16: TSF timer register 0.
+ */
+#define CSR16 0x0040
+#define CSR16_LOW_TSFTIMER FIELD32(0xffffffff)
+
+/*
+ * CSR17: TSF timer register 1.
+ */
+#define CSR17 0x0044
+#define CSR17_HIGH_TSFTIMER FIELD32(0xffffffff)
+
+/*
+ * CSR18: IFS timer register 0.
+ * SIFS: Sifs, default is 10 us.
+ * PIFS: Pifs, default is 30 us.
+ */
+#define CSR18 0x0048
+#define CSR18_SIFS FIELD32(0x000001ff)
+#define CSR18_PIFS FIELD32(0x001f0000)
+
+/*
+ * CSR19: IFS timer register 1.
+ * DIFS: Difs, default is 50 us.
+ * EIFS: Eifs, default is 364 us.
+ */
+#define CSR19 0x004c
+#define CSR19_DIFS FIELD32(0x0000ffff)
+#define CSR19_EIFS FIELD32(0xffff0000)
+
+/*
+ * CSR20: Wakeup timer register.
+ * DELAY_AFTER_TBCN: Delay after tbcn expired in units of 1/16 TU.
+ * TBCN_BEFORE_WAKEUP: Number of beacon before wakeup.
+ * AUTOWAKE: Enable auto wakeup / sleep mechanism.
+ */
+#define CSR20 0x0050
+#define CSR20_DELAY_AFTER_TBCN FIELD32(0x0000ffff)
+#define CSR20_TBCN_BEFORE_WAKEUP FIELD32(0x00ff0000)
+#define CSR20_AUTOWAKE FIELD32(0x01000000)
+
+/*
+ * CSR21: EEPROM control register.
+ * RELOAD: Write 1 to reload eeprom content.
+ * TYPE_93C46: 1: 93c46, 0:93c66.
+ */
+#define CSR21 0x0054
+#define CSR21_RELOAD FIELD32(0x00000001)
+#define CSR21_EEPROM_DATA_CLOCK FIELD32(0x00000002)
+#define CSR21_EEPROM_CHIP_SELECT FIELD32(0x00000004)
+#define CSR21_EEPROM_DATA_IN FIELD32(0x00000008)
+#define CSR21_EEPROM_DATA_OUT FIELD32(0x00000010)
+#define CSR21_TYPE_93C46 FIELD32(0x00000020)
+
+/*
+ * CSR22: CFP control register.
+ * CFP_DURATION_REMAIN: Cfp duration remain, in units of TU.
+ * RELOAD_CFP_DURATION: Write 1 to reload cfp duration remain.
+ */
+#define CSR22 0x0058
+#define CSR22_CFP_DURATION_REMAIN FIELD32(0x0000ffff)
+#define CSR22_RELOAD_CFP_DURATION FIELD32(0x00010000)
+
+/*
+ * Transmit related CSRs.
+ * Some values are set in TU, whereas 1 TU == 1024 us.
+ */
+
+/*
+ * TXCSR0: TX Control Register.
+ * KICK_TX: Kick tx ring.
+ * KICK_ATIM: Kick atim ring.
+ * KICK_PRIO: Kick priority ring.
+ * ABORT: Abort all transmit related ring operation.
+ */
+#define TXCSR0 0x0060
+#define TXCSR0_KICK_TX FIELD32(0x00000001)
+#define TXCSR0_KICK_ATIM FIELD32(0x00000002)
+#define TXCSR0_KICK_PRIO FIELD32(0x00000004)
+#define TXCSR0_ABORT FIELD32(0x00000008)
+
+/*
+ * TXCSR1: TX Configuration Register.
+ * ACK_TIMEOUT: Ack timeout, default = sifs + 2*slottime + acktime @ 1mbps.
+ * ACK_CONSUME_TIME: Ack consume time, default = sifs + acktime @ 1mbps.
+ * TSF_OFFSET: Insert tsf offset.
+ * AUTORESPONDER: Enable auto responder which include ack & cts.
+ */
+#define TXCSR1 0x0064
+#define TXCSR1_ACK_TIMEOUT FIELD32(0x000001ff)
+#define TXCSR1_ACK_CONSUME_TIME FIELD32(0x0003fe00)
+#define TXCSR1_TSF_OFFSET FIELD32(0x00fc0000)
+#define TXCSR1_AUTORESPONDER FIELD32(0x01000000)
+
+/*
+ * TXCSR2: Tx descriptor configuration register.
+ * TXD_SIZE: Tx descriptor size, default is 48.
+ * NUM_TXD: Number of tx entries in ring.
+ * NUM_ATIM: Number of atim entries in ring.
+ * NUM_PRIO: Number of priority entries in ring.
+ */
+#define TXCSR2 0x0068
+#define TXCSR2_TXD_SIZE FIELD32(0x000000ff)
+#define TXCSR2_NUM_TXD FIELD32(0x0000ff00)
+#define TXCSR2_NUM_ATIM FIELD32(0x00ff0000)
+#define TXCSR2_NUM_PRIO FIELD32(0xff000000)
+
+/*
+ * TXCSR3: TX Ring Base address register.
+ */
+#define TXCSR3 0x006c
+#define TXCSR3_TX_RING_REGISTER FIELD32(0xffffffff)
+
+/*
+ * TXCSR4: TX Atim Ring Base address register.
+ */
+#define TXCSR4 0x0070
+#define TXCSR4_ATIM_RING_REGISTER FIELD32(0xffffffff)
+
+/*
+ * TXCSR5: TX Prio Ring Base address register.
+ */
+#define TXCSR5 0x0074
+#define TXCSR5_PRIO_RING_REGISTER FIELD32(0xffffffff)
+
+/*
+ * TXCSR6: Beacon Base address register.
+ */
+#define TXCSR6 0x0078
+#define TXCSR6_BEACON_RING_REGISTER FIELD32(0xffffffff)
+
+/*
+ * TXCSR7: Auto responder control register.
+ * AR_POWERMANAGEMENT: Auto responder power management bit.
+ */
+#define TXCSR7 0x007c
+#define TXCSR7_AR_POWERMANAGEMENT FIELD32(0x00000001)
+
+/*
+ * TXCSR8: CCK Tx BBP register.
+ */
+#define TXCSR8 0x0098
+#define TXCSR8_BBP_ID0 FIELD32(0x0000007f)
+#define TXCSR8_BBP_ID0_VALID FIELD32(0x00000080)
+#define TXCSR8_BBP_ID1 FIELD32(0x00007f00)
+#define TXCSR8_BBP_ID1_VALID FIELD32(0x00008000)
+#define TXCSR8_BBP_ID2 FIELD32(0x007f0000)
+#define TXCSR8_BBP_ID2_VALID FIELD32(0x00800000)
+#define TXCSR8_BBP_ID3 FIELD32(0x7f000000)
+#define TXCSR8_BBP_ID3_VALID FIELD32(0x80000000)
+
+/*
+ * TXCSR9: OFDM TX BBP registers
+ * OFDM_SIGNAL: BBP rate field address for OFDM.
+ * OFDM_SERVICE: BBP service field address for OFDM.
+ * OFDM_LENGTH_LOW: BBP length low byte address for OFDM.
+ * OFDM_LENGTH_HIGH: BBP length high byte address for OFDM.
+ */
+#define TXCSR9 0x0094
+#define TXCSR9_OFDM_RATE FIELD32(0x000000ff)
+#define TXCSR9_OFDM_SERVICE FIELD32(0x0000ff00)
+#define TXCSR9_OFDM_LENGTH_LOW FIELD32(0x00ff0000)
+#define TXCSR9_OFDM_LENGTH_HIGH FIELD32(0xff000000)
+
+/*
+ * Receive related CSRs.
+ * Some values are set in TU, whereas 1 TU == 1024 us.
+ */
+
+/*
+ * RXCSR0: RX Control Register.
+ * DISABLE_RX: Disable rx engine.
+ * DROP_CRC: Drop crc error.
+ * DROP_PHYSICAL: Drop physical error.
+ * DROP_CONTROL: Drop control frame.
+ * DROP_NOT_TO_ME: Drop not to me unicast frame.
+ * DROP_TODS: Drop frame tods bit is true.
+ * DROP_VERSION_ERROR: Drop version error frame.
+ * PASS_CRC: Pass all packets with crc attached.
+ * PASS_CRC: Pass all packets with crc attached.
+ * PASS_PLCP: Pass all packets with 4 bytes PLCP attached.
+ * DROP_MCAST: Drop multicast frames.
+ * DROP_BCAST: Drop broadcast frames.
+ * ENABLE_QOS: Accept QOS data frame and parse QOS field.
+ */
+#define RXCSR0 0x0080
+#define RXCSR0_DISABLE_RX FIELD32(0x00000001)
+#define RXCSR0_DROP_CRC FIELD32(0x00000002)
+#define RXCSR0_DROP_PHYSICAL FIELD32(0x00000004)
+#define RXCSR0_DROP_CONTROL FIELD32(0x00000008)
+#define RXCSR0_DROP_NOT_TO_ME FIELD32(0x00000010)
+#define RXCSR0_DROP_TODS FIELD32(0x00000020)
+#define RXCSR0_DROP_VERSION_ERROR FIELD32(0x00000040)
+#define RXCSR0_PASS_CRC FIELD32(0x00000080)
+#define RXCSR0_PASS_PLCP FIELD32(0x00000100)
+#define RXCSR0_DROP_MCAST FIELD32(0x00000200)
+#define RXCSR0_DROP_BCAST FIELD32(0x00000400)
+#define RXCSR0_ENABLE_QOS FIELD32(0x00000800)
+
+/*
+ * RXCSR1: RX descriptor configuration register.
+ * RXD_SIZE: Rx descriptor size, default is 32b.
+ * NUM_RXD: Number of rx entries in ring.
+ */
+#define RXCSR1 0x0084
+#define RXCSR1_RXD_SIZE FIELD32(0x000000ff)
+#define RXCSR1_NUM_RXD FIELD32(0x0000ff00)
+
+/*
+ * RXCSR2: RX Ring base address register.
+ */
+#define RXCSR2 0x0088
+#define RXCSR2_RX_RING_REGISTER FIELD32(0xffffffff)
+
+/*
+ * RXCSR3: BBP ID register for Rx operation.
+ * BBP_ID#: BBP register # id.
+ * BBP_ID#_VALID: BBP register # id is valid or not.
+ */
+#define RXCSR3 0x0090
+#define RXCSR3_BBP_ID0 FIELD32(0x0000007f)
+#define RXCSR3_BBP_ID0_VALID FIELD32(0x00000080)
+#define RXCSR3_BBP_ID1 FIELD32(0x00007f00)
+#define RXCSR3_BBP_ID1_VALID FIELD32(0x00008000)
+#define RXCSR3_BBP_ID2 FIELD32(0x007f0000)
+#define RXCSR3_BBP_ID2_VALID FIELD32(0x00800000)
+#define RXCSR3_BBP_ID3 FIELD32(0x7f000000)
+#define RXCSR3_BBP_ID3_VALID FIELD32(0x80000000)
+
+/*
+ * ARCSR1: Auto Responder PLCP config register 1.
+ * AR_BBP_DATA#: Auto responder BBP register # data.
+ * AR_BBP_ID#: Auto responder BBP register # Id.
+ */
+#define ARCSR1 0x009c
+#define ARCSR1_AR_BBP_DATA2 FIELD32(0x000000ff)
+#define ARCSR1_AR_BBP_ID2 FIELD32(0x0000ff00)
+#define ARCSR1_AR_BBP_DATA3 FIELD32(0x00ff0000)
+#define ARCSR1_AR_BBP_ID3 FIELD32(0xff000000)
+
+/*
+ * Miscellaneous Registers.
+ * Some values are set in TU, whereas 1 TU == 1024 us.
+
+ */
+
+/*
+ * PCICSR: PCI control register.
+ * BIG_ENDIAN: 1: big endian, 0: little endian.
+ * RX_TRESHOLD: Rx threshold in dw to start pci access
+ * 0: 16dw (default), 1: 8dw, 2: 4dw, 3: 32dw.
+ * TX_TRESHOLD: Tx threshold in dw to start pci access
+ * 0: 0dw (default), 1: 1dw, 2: 4dw, 3: forward.
+ * BURST_LENTH: Pci burst length 0: 4dw (default, 1: 8dw, 2: 16dw, 3:32dw.
+ * ENABLE_CLK: Enable clk_run, pci clock can't going down to non-operational.
+ * READ_MULTIPLE: Enable memory read multiple.
+ * WRITE_INVALID: Enable memory write & invalid.
+ */
+#define PCICSR 0x008c
+#define PCICSR_BIG_ENDIAN FIELD32(0x00000001)
+#define PCICSR_RX_TRESHOLD FIELD32(0x00000006)
+#define PCICSR_TX_TRESHOLD FIELD32(0x00000018)
+#define PCICSR_BURST_LENTH FIELD32(0x00000060)
+#define PCICSR_ENABLE_CLK FIELD32(0x00000080)
+#define PCICSR_READ_MULTIPLE FIELD32(0x00000100)
+#define PCICSR_WRITE_INVALID FIELD32(0x00000200)
+
+/*
+ * CNT0: FCS error count.
+ * FCS_ERROR: FCS error count, cleared when read.
+ */
+#define CNT0 0x00a0
+#define CNT0_FCS_ERROR FIELD32(0x0000ffff)
+
+/*
+ * Statistic Register.
+ * CNT1: PLCP error count.
+ * CNT2: Long error count.
+ */
+#define TIMECSR2 0x00a8
+#define CNT1 0x00ac
+#define CNT2 0x00b0
+#define TIMECSR3 0x00b4
+
+/*
+ * CNT3: CCA false alarm count.
+ */
+#define CNT3 0x00b8
+#define CNT3_FALSE_CCA FIELD32(0x0000ffff)
+
+/*
+ * Statistic Register.
+ * CNT4: Rx FIFO overflow count.
+ * CNT5: Tx FIFO underrun count.
+ */
+#define CNT4 0x00bc
+#define CNT5 0x00c0
+
+/*
+ * Baseband Control Register.
+ */
+
+/*
+ * PWRCSR0: Power mode configuration register.
+ */
+#define PWRCSR0 0x00c4
+
+/*
+ * Power state transition time registers.
+ */
+#define PSCSR0 0x00c8
+#define PSCSR1 0x00cc
+#define PSCSR2 0x00d0
+#define PSCSR3 0x00d4
+
+/*
+ * PWRCSR1: Manual power control / status register.
+ * Allowed state: 0 deep_sleep, 1: sleep, 2: standby, 3: awake.
+ * SET_STATE: Set state. Write 1 to trigger, self cleared.
+ * BBP_DESIRE_STATE: BBP desired state.
+ * RF_DESIRE_STATE: RF desired state.
+ * BBP_CURR_STATE: BBP current state.
+ * RF_CURR_STATE: RF current state.
+ * PUT_TO_SLEEP: Put to sleep. Write 1 to trigger, self cleared.
+ */
+#define PWRCSR1 0x00d8
+#define PWRCSR1_SET_STATE FIELD32(0x00000001)
+#define PWRCSR1_BBP_DESIRE_STATE FIELD32(0x00000006)
+#define PWRCSR1_RF_DESIRE_STATE FIELD32(0x00000018)
+#define PWRCSR1_BBP_CURR_STATE FIELD32(0x00000060)
+#define PWRCSR1_RF_CURR_STATE FIELD32(0x00000180)
+#define PWRCSR1_PUT_TO_SLEEP FIELD32(0x00000200)
+
+/*
+ * TIMECSR: Timer control register.
+ * US_COUNT: 1 us timer count in units of clock cycles.
+ * US_64_COUNT: 64 us timer count in units of 1 us timer.
+ * BEACON_EXPECT: Beacon expect window.
+ */
+#define TIMECSR 0x00dc
+#define TIMECSR_US_COUNT FIELD32(0x000000ff)
+#define TIMECSR_US_64_COUNT FIELD32(0x0000ff00)
+#define TIMECSR_BEACON_EXPECT FIELD32(0x00070000)
+
+/*
+ * MACCSR0: MAC configuration register 0.
+ */
+#define MACCSR0 0x00e0
+
+/*
+ * MACCSR1: MAC configuration register 1.
+ * KICK_RX: Kick one-shot rx in one-shot rx mode.
+ * ONESHOT_RXMODE: Enable one-shot rx mode for debugging.
+ * BBPRX_RESET_MODE: Ralink bbp rx reset mode.
+ * AUTO_TXBBP: Auto tx logic access bbp control register.
+ * AUTO_RXBBP: Auto rx logic access bbp control register.
+ * LOOPBACK: Loopback mode. 0: normal, 1: internal, 2: external, 3:rsvd.
+ * INTERSIL_IF: Intersil if calibration pin.
+ */
+#define MACCSR1 0x00e4
+#define MACCSR1_KICK_RX FIELD32(0x00000001)
+#define MACCSR1_ONESHOT_RXMODE FIELD32(0x00000002)
+#define MACCSR1_BBPRX_RESET_MODE FIELD32(0x00000004)
+#define MACCSR1_AUTO_TXBBP FIELD32(0x00000008)
+#define MACCSR1_AUTO_RXBBP FIELD32(0x00000010)
+#define MACCSR1_LOOPBACK FIELD32(0x00000060)
+#define MACCSR1_INTERSIL_IF FIELD32(0x00000080)
+
+/*
+ * RALINKCSR: Ralink Rx auto-reset BBCR.
+ * AR_BBP_DATA#: Auto reset BBP register # data.
+ * AR_BBP_ID#: Auto reset BBP register # id.
+ */
+#define RALINKCSR 0x00e8
+#define RALINKCSR_AR_BBP_DATA0 FIELD32(0x000000ff)
+#define RALINKCSR_AR_BBP_ID0 FIELD32(0x00007f00)
+#define RALINKCSR_AR_BBP_VALID0 FIELD32(0x00008000)
+#define RALINKCSR_AR_BBP_DATA1 FIELD32(0x00ff0000)
+#define RALINKCSR_AR_BBP_ID1 FIELD32(0x7f000000)
+#define RALINKCSR_AR_BBP_VALID1 FIELD32(0x80000000)
+
+/*
+ * BCNCSR: Beacon interval control register.
+ * CHANGE: Write one to change beacon interval.
+ * DELTATIME: The delta time value.
+ * NUM_BEACON: Number of beacon according to mode.
+ * MODE: Please refer to asic specs.
+ * PLUS: Plus or minus delta time value.
+ */
+#define BCNCSR 0x00ec
+#define BCNCSR_CHANGE FIELD32(0x00000001)
+#define BCNCSR_DELTATIME FIELD32(0x0000001e)
+#define BCNCSR_NUM_BEACON FIELD32(0x00001fe0)
+#define BCNCSR_MODE FIELD32(0x00006000)
+#define BCNCSR_PLUS FIELD32(0x00008000)
+
+/*
+ * BBP / RF / IF Control Register.
+ */
+
+/*
+ * BBPCSR: BBP serial control register.
+ * VALUE: Register value to program into BBP.
+ * REGNUM: Selected BBP register.
+ * BUSY: 1: asic is busy execute BBP programming.
+ * WRITE_CONTROL: 1: write BBP, 0: read BBP.
+ */
+#define BBPCSR 0x00f0
+#define BBPCSR_VALUE FIELD32(0x000000ff)
+#define BBPCSR_REGNUM FIELD32(0x00007f00)
+#define BBPCSR_BUSY FIELD32(0x00008000)
+#define BBPCSR_WRITE_CONTROL FIELD32(0x00010000)
+
+/*
+ * RFCSR: RF serial control register.
+ * VALUE: Register value + id to program into rf/if.
+ * NUMBER_OF_BITS: Number of bits used in value (i:20, rfmd:22).
+ * IF_SELECT: Chip to program: 0: rf, 1: if.
+ * PLL_LD: Rf pll_ld status.
+ * BUSY: 1: asic is busy execute rf programming.
+ */
+#define RFCSR 0x00f4
+#define RFCSR_VALUE FIELD32(0x00ffffff)
+#define RFCSR_NUMBER_OF_BITS FIELD32(0x1f000000)
+#define RFCSR_IF_SELECT FIELD32(0x20000000)
+#define RFCSR_PLL_LD FIELD32(0x40000000)
+#define RFCSR_BUSY FIELD32(0x80000000)
+
+/*
+ * LEDCSR: LED control register.
+ * ON_PERIOD: On period, default 70ms.
+ * OFF_PERIOD: Off period, default 30ms.
+ * LINK: 0: linkoff, 1: linkup.
+ * ACTIVITY: 0: idle, 1: active.
+ * LINK_POLARITY: 0: active low, 1: active high.
+ * ACTIVITY_POLARITY: 0: active low, 1: active high.
+ * LED_DEFAULT: LED state for "enable" 0: ON, 1: OFF.
+ */
+#define LEDCSR 0x00f8
+#define LEDCSR_ON_PERIOD FIELD32(0x000000ff)
+#define LEDCSR_OFF_PERIOD FIELD32(0x0000ff00)
+#define LEDCSR_LINK FIELD32(0x00010000)
+#define LEDCSR_ACTIVITY FIELD32(0x00020000)
+#define LEDCSR_LINK_POLARITY FIELD32(0x00040000)
+#define LEDCSR_ACTIVITY_POLARITY FIELD32(0x00080000)
+#define LEDCSR_LED_DEFAULT FIELD32(0x00100000)
+
+/*
+ * AES control register.
+ */
+#define SECCSR3 0x00fc
+
+/*
+ * ASIC pointer information.
+ * RXPTR: Current RX ring address.
+ * TXPTR: Current Tx ring address.
+ * PRIPTR: Current Priority ring address.
+ * ATIMPTR: Current ATIM ring address.
+ */
+#define RXPTR 0x0100
+#define TXPTR 0x0104
+#define PRIPTR 0x0108
+#define ATIMPTR 0x010c
+
+/*
+ * TXACKCSR0: TX ACK timeout.
+ */
+#define TXACKCSR0 0x0110
+
+/*
+ * ACK timeout count registers.
+ * ACKCNT0: TX ACK timeout count.
+ * ACKCNT1: RX ACK timeout count.
+ */
+#define ACKCNT0 0x0114
+#define ACKCNT1 0x0118
+
+/*
+ * GPIO and others.
+ */
+
+/*
+ * GPIOCSR: GPIO control register.
+ */
+#define GPIOCSR 0x0120
+#define GPIOCSR_BIT0 FIELD32(0x00000001)
+#define GPIOCSR_BIT1 FIELD32(0x00000002)
+#define GPIOCSR_BIT2 FIELD32(0x00000004)
+#define GPIOCSR_BIT3 FIELD32(0x00000008)
+#define GPIOCSR_BIT4 FIELD32(0x00000010)
+#define GPIOCSR_BIT5 FIELD32(0x00000020)
+#define GPIOCSR_BIT6 FIELD32(0x00000040)
+#define GPIOCSR_BIT7 FIELD32(0x00000080)
+#define GPIOCSR_DIR0 FIELD32(0x00000100)
+#define GPIOCSR_DIR1 FIELD32(0x00000200)
+#define GPIOCSR_DIR2 FIELD32(0x00000400)
+#define GPIOCSR_DIR3 FIELD32(0x00000800)
+#define GPIOCSR_DIR4 FIELD32(0x00001000)
+#define GPIOCSR_DIR5 FIELD32(0x00002000)
+#define GPIOCSR_DIR6 FIELD32(0x00004000)
+#define GPIOCSR_DIR7 FIELD32(0x00008000)
+
+/*
+ * FIFO pointer registers.
+ * FIFOCSR0: TX FIFO pointer.
+ * FIFOCSR1: RX FIFO pointer.
+ */
+#define FIFOCSR0 0x0128
+#define FIFOCSR1 0x012c
+
+/*
+ * BCNCSR1: Tx BEACON offset time control register.
+ * PRELOAD: Beacon timer offset in units of usec.
+ * BEACON_CWMIN: 2^CwMin.
+ */
+#define BCNCSR1 0x0130
+#define BCNCSR1_PRELOAD FIELD32(0x0000ffff)
+#define BCNCSR1_BEACON_CWMIN FIELD32(0x000f0000)
+
+/*
+ * MACCSR2: TX_PE to RX_PE turn-around time control register
+ * DELAY: RX_PE low width, in units of pci clock cycle.
+ */
+#define MACCSR2 0x0134
+#define MACCSR2_DELAY FIELD32(0x000000ff)
+
+/*
+ * TESTCSR: TEST mode selection register.
+ */
+#define TESTCSR 0x0138
+
+/*
+ * ARCSR2: 1 Mbps ACK/CTS PLCP.
+ */
+#define ARCSR2 0x013c
+#define ARCSR2_SIGNAL FIELD32(0x000000ff)
+#define ARCSR2_SERVICE FIELD32(0x0000ff00)
+#define ARCSR2_LENGTH FIELD32(0xffff0000)
+
+/*
+ * ARCSR3: 2 Mbps ACK/CTS PLCP.
+ */
+#define ARCSR3 0x0140
+#define ARCSR3_SIGNAL FIELD32(0x000000ff)
+#define ARCSR3_SERVICE FIELD32(0x0000ff00)
+#define ARCSR3_LENGTH FIELD32(0xffff0000)
+
+/*
+ * ARCSR4: 5.5 Mbps ACK/CTS PLCP.
+ */
+#define ARCSR4 0x0144
+#define ARCSR4_SIGNAL FIELD32(0x000000ff)
+#define ARCSR4_SERVICE FIELD32(0x0000ff00)
+#define ARCSR4_LENGTH FIELD32(0xffff0000)
+
+/*
+ * ARCSR5: 11 Mbps ACK/CTS PLCP.
+ */
+#define ARCSR5 0x0148
+#define ARCSR5_SIGNAL FIELD32(0x000000ff)
+#define ARCSR5_SERVICE FIELD32(0x0000ff00)
+#define ARCSR5_LENGTH FIELD32(0xffff0000)
+
+/*
+ * ARTCSR0: CCK ACK/CTS payload consumed time for 1/2/5.5/11 mbps.
+ */
+#define ARTCSR0 0x014c
+#define ARTCSR0_ACK_CTS_11MBS FIELD32(0x000000ff)
+#define ARTCSR0_ACK_CTS_5_5MBS FIELD32(0x0000ff00)
+#define ARTCSR0_ACK_CTS_2MBS FIELD32(0x00ff0000)
+#define ARTCSR0_ACK_CTS_1MBS FIELD32(0xff000000)
+
+
+/*
+ * ARTCSR1: OFDM ACK/CTS payload consumed time for 6/9/12/18 mbps.
+ */
+#define ARTCSR1 0x0150
+#define ARTCSR1_ACK_CTS_6MBS FIELD32(0x000000ff)
+#define ARTCSR1_ACK_CTS_9MBS FIELD32(0x0000ff00)
+#define ARTCSR1_ACK_CTS_12MBS FIELD32(0x00ff0000)
+#define ARTCSR1_ACK_CTS_18MBS FIELD32(0xff000000)
+
+/*
+ * ARTCSR2: OFDM ACK/CTS payload consumed time for 24/36/48/54 mbps.
+ */
+#define ARTCSR2 0x0154
+#define ARTCSR2_ACK_CTS_24MBS FIELD32(0x000000ff)
+#define ARTCSR2_ACK_CTS_36MBS FIELD32(0x0000ff00)
+#define ARTCSR2_ACK_CTS_48MBS FIELD32(0x00ff0000)
+#define ARTCSR2_ACK_CTS_54MBS FIELD32(0xff000000)
+
+/*
+ * SECCSR1_RT2509: WEP control register.
+ * KICK_ENCRYPT: Kick encryption engine, self-clear.
+ * ONE_SHOT: 0: ring mode, 1: One shot only mode.
+ * DESC_ADDRESS: Descriptor physical address of frame.
+ */
+#define SECCSR1 0x0158
+#define SECCSR1_KICK_ENCRYPT FIELD32(0x00000001)
+#define SECCSR1_ONE_SHOT FIELD32(0x00000002)
+#define SECCSR1_DESC_ADDRESS FIELD32(0xfffffffc)
+
+/*
+ * BBPCSR1: BBP TX configuration.
+ */
+#define BBPCSR1 0x015c
+#define BBPCSR1_CCK FIELD32(0x00000003)
+#define BBPCSR1_CCK_FLIP FIELD32(0x00000004)
+#define BBPCSR1_OFDM FIELD32(0x00030000)
+#define BBPCSR1_OFDM_FLIP FIELD32(0x00040000)
+
+/*
+ * Dual band configuration registers.
+ * DBANDCSR0: Dual band configuration register 0.
+ * DBANDCSR1: Dual band configuration register 1.
+ */
+#define DBANDCSR0 0x0160
+#define DBANDCSR1 0x0164
+
+/*
+ * BBPPCSR: BBP Pin control register.
+ */
+#define BBPPCSR 0x0168
+
+/*
+ * MAC special debug mode selection registers.
+ * DBGSEL0: MAC special debug mode selection register 0.
+ * DBGSEL1: MAC special debug mode selection register 1.
+ */
+#define DBGSEL0 0x016c
+#define DBGSEL1 0x0170
+
+/*
+ * BISTCSR: BBP BIST register.
+ */
+#define BISTCSR 0x0174
+
+/*
+ * Multicast filter registers.
+ * MCAST0: Multicast filter register 0.
+ * MCAST1: Multicast filter register 1.
+ */
+#define MCAST0 0x0178
+#define MCAST1 0x017c
+
+/*
+ * UART registers.
+ * UARTCSR0: UART1 TX register.
+ * UARTCSR1: UART1 RX register.
+ * UARTCSR3: UART1 frame control register.
+ * UARTCSR4: UART1 buffer control register.
+ * UART2CSR0: UART2 TX register.
+ * UART2CSR1: UART2 RX register.
+ * UART2CSR3: UART2 frame control register.
+ * UART2CSR4: UART2 buffer control register.
+ */
+#define UARTCSR0 0x0180
+#define UARTCSR1 0x0184
+#define UARTCSR3 0x0188
+#define UARTCSR4 0x018c
+#define UART2CSR0 0x0190
+#define UART2CSR1 0x0194
+#define UART2CSR3 0x0198
+#define UART2CSR4 0x019c
+
+/*
+ * BBP registers.
+ * The wordsize of the BBP is 8 bits.
+ */
+
+/*
+ * R2: TX antenna control
+ */
+#define BBP_R2_TX_ANTENNA FIELD8(0x03)
+#define BBP_R2_TX_IQ_FLIP FIELD8(0x04)
+
+/*
+ * R14: RX antenna control
+ */
+#define BBP_R14_RX_ANTENNA FIELD8(0x03)
+#define BBP_R14_RX_IQ_FLIP FIELD8(0x04)
+
+/*
+ * BBP_R70
+ */
+#define BBP_R70_JAPAN_FILTER FIELD8(0x08)
+
+/*
+ * RF registers
+ */
+
+/*
+ * RF 1
+ */
+#define RF1_TUNER FIELD32(0x00020000)
+
+/*
+ * RF 3
+ */
+#define RF3_TUNER FIELD32(0x00000100)
+#define RF3_TXPOWER FIELD32(0x00003e00)
+
+/*
+ * EEPROM content.
+ * The wordsize of the EEPROM is 16 bits.
+ */
+
+/*
+ * HW MAC address.
+ */
+#define EEPROM_MAC_ADDR_0 0x0002
+#define EEPROM_MAC_ADDR_BYTE0 FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE1 FIELD16(0xff00)
+#define EEPROM_MAC_ADDR1 0x0003
+#define EEPROM_MAC_ADDR_BYTE2 FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE3 FIELD16(0xff00)
+#define EEPROM_MAC_ADDR_2 0x0004
+#define EEPROM_MAC_ADDR_BYTE4 FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE5 FIELD16(0xff00)
+
+/*
+ * EEPROM antenna.
+ * ANTENNA_NUM: Number of antenna's.
+ * TX_DEFAULT: Default antenna 0: diversity, 1: A, 2: B.
+ * RX_DEFAULT: Default antenna 0: diversity, 1: A, 2: B.
+ * LED_MODE: 0: default, 1: TX/RX activity,2: Single (ignore link), 3: rsvd.
+ * DYN_TXAGC: Dynamic TX AGC control.
+ * HARDWARE_RADIO: 1: Hardware controlled radio. Read GPIO0.
+ * RF_TYPE: Rf_type of this adapter.
+ */
+#define EEPROM_ANTENNA 0x10
+#define EEPROM_ANTENNA_NUM FIELD16(0x0003)
+#define EEPROM_ANTENNA_TX_DEFAULT FIELD16(0x000c)
+#define EEPROM_ANTENNA_RX_DEFAULT FIELD16(0x0030)
+#define EEPROM_ANTENNA_LED_MODE FIELD16(0x01c0)
+#define EEPROM_ANTENNA_DYN_TXAGC FIELD16(0x0200)
+#define EEPROM_ANTENNA_HARDWARE_RADIO FIELD16(0x0400)
+#define EEPROM_ANTENNA_RF_TYPE FIELD16(0xf800)
+
+/*
+ * EEPROM NIC config.
+ * CARDBUS_ACCEL: 0: enable, 1: disable.
+ * DYN_BBP_TUNE: 0: enable, 1: disable.
+ * CCK_TX_POWER: CCK TX power compensation.
+ */
+#define EEPROM_NIC 0x11
+#define EEPROM_NIC_CARDBUS_ACCEL FIELD16(0x0001)
+#define EEPROM_NIC_DYN_BBP_TUNE FIELD16(0x0002)
+#define EEPROM_NIC_CCK_TX_POWER FIELD16(0x000c)
+
+/*
+ * EEPROM geography.
+ * GEO: Default geography setting for device.
+ */
+#define EEPROM_GEOGRAPHY 0x12
+#define EEPROM_GEOGRAPHY_GEO FIELD16(0x0f00)
+
+/*
+ * EEPROM BBP.
+ */
+#define EEPROM_BBP_START 0x13
+#define EEPROM_BBP_SIZE 16
+#define EEPROM_BBP_VALUE FIELD16(0x00ff)
+#define EEPROM_BBP_REG_ID FIELD16(0xff00)
+
+/*
+ * EEPROM TXPOWER
+ */
+#define EEPROM_TXPOWER_START 0x23
+#define EEPROM_TXPOWER_SIZE 7
+#define EEPROM_TXPOWER_1 FIELD16(0x00ff)
+#define EEPROM_TXPOWER_2 FIELD16(0xff00)
+
+/*
+ * RSSI <-> dBm offset calibration
+ */
+#define EEPROM_CALIBRATE_OFFSET 0x3e
+#define EEPROM_CALIBRATE_OFFSET_RSSI FIELD16(0x00ff)
+
+/*
+ * DMA descriptor defines.
+ */
+#define TXD_DESC_SIZE ( 11 * sizeof(struct data_desc) )
+#define RXD_DESC_SIZE ( 11 * sizeof(struct data_desc) )
+
+/*
+ * TX descriptor format for TX, PRIO, ATIM and Beacon Ring.
+ */
+
+/*
+ * Word0
+ */
+#define TXD_W0_OWNER_NIC FIELD32(0x00000001)
+#define TXD_W0_VALID FIELD32(0x00000002)
+#define TXD_W0_RESULT FIELD32(0x0000001c)
+#define TXD_W0_RETRY_COUNT FIELD32(0x000000e0)
+#define TXD_W0_MORE_FRAG FIELD32(0x00000100)
+#define TXD_W0_ACK FIELD32(0x00000200)
+#define TXD_W0_TIMESTAMP FIELD32(0x00000400)
+#define TXD_W0_OFDM FIELD32(0x00000800)
+#define TXD_W0_CIPHER_OWNER FIELD32(0x00001000)
+#define TXD_W0_IFS FIELD32(0x00006000)
+#define TXD_W0_RETRY_MODE FIELD32(0x00008000)
+#define TXD_W0_DATABYTE_COUNT FIELD32(0x0fff0000)
+#define TXD_W0_CIPHER_ALG FIELD32(0xe0000000)
+
+/*
+ * Word1
+ */
+#define TXD_W1_BUFFER_ADDRESS FIELD32(0xffffffff)
+
+/*
+ * Word2
+ */
+#define TXD_W2_IV_OFFSET FIELD32(0x0000003f)
+#define TXD_W2_AIFS FIELD32(0x000000c0)
+#define TXD_W2_CWMIN FIELD32(0x00000f00)
+#define TXD_W2_CWMAX FIELD32(0x0000f000)
+
+/*
+ * Word3: PLCP information
+ */
+#define TXD_W3_PLCP_SIGNAL FIELD32(0x000000ff)
+#define TXD_W3_PLCP_SERVICE FIELD32(0x0000ff00)
+#define TXD_W3_PLCP_LENGTH_LOW FIELD32(0x00ff0000)
+#define TXD_W3_PLCP_LENGTH_HIGH FIELD32(0xff000000)
+
+/*
+ * Word4
+ */
+#define TXD_W4_IV FIELD32(0xffffffff)
+
+/*
+ * Word5
+ */
+#define TXD_W5_EIV FIELD32(0xffffffff)
+
+/*
+ * Word6-9: Key
+ */
+#define TXD_W6_KEY FIELD32(0xffffffff)
+#define TXD_W7_KEY FIELD32(0xffffffff)
+#define TXD_W8_KEY FIELD32(0xffffffff)
+#define TXD_W9_KEY FIELD32(0xffffffff)
+
+/*
+ * Word10
+ */
+#define TXD_W10_RTS FIELD32(0x00000001)
+#define TXD_W10_TX_RATE FIELD32(0x000000fe)
+
+/*
+ * RX descriptor format for RX Ring.
+ */
+
+/*
+ * Word0
+ */
+#define RXD_W0_OWNER_NIC FIELD32(0x00000001)
+#define RXD_W0_UNICAST_TO_ME FIELD32(0x00000002)
+#define RXD_W0_MULTICAST FIELD32(0x00000004)
+#define RXD_W0_BROADCAST FIELD32(0x00000008)
+#define RXD_W0_MY_BSS FIELD32(0x00000010)
+#define RXD_W0_CRC_ERROR FIELD32(0x00000020)
+#define RXD_W0_OFDM FIELD32(0x00000040)
+#define RXD_W0_PHYSICAL_ERROR FIELD32(0x00000080)
+#define RXD_W0_CIPHER_OWNER FIELD32(0x00000100)
+#define RXD_W0_ICV_ERROR FIELD32(0x00000200)
+#define RXD_W0_IV_OFFSET FIELD32(0x0000fc00)
+#define RXD_W0_DATABYTE_COUNT FIELD32(0x0fff0000)
+#define RXD_W0_CIPHER_ALG FIELD32(0xe0000000)
+
+/*
+ * Word1
+ */
+#define RXD_W1_BUFFER_ADDRESS FIELD32(0xffffffff)
+
+/*
+ * Word2
+ */
+#define RXD_W2_SIGNAL FIELD32(0x000000ff)
+#define RXD_W2_RSSI FIELD32(0x0000ff00)
+#define RXD_W2_TA FIELD32(0xffff0000)
+
+/*
+ * Word3
+ */
+#define RXD_W3_TA FIELD32(0xffffffff)
+
+/*
+ * Word4
+ */
+#define RXD_W4_IV FIELD32(0xffffffff)
+
+/*
+ * Word5
+ */
+#define RXD_W5_EIV FIELD32(0xffffffff)
+
+/*
+ * Word6-9: Key
+ */
+#define RXD_W6_KEY FIELD32(0xffffffff)
+#define RXD_W7_KEY FIELD32(0xffffffff)
+#define RXD_W8_KEY FIELD32(0xffffffff)
+#define RXD_W9_KEY FIELD32(0xffffffff)
+
+/*
+ * Word10
+ */
+#define RXD_W10_DROP FIELD32(0x00000001)
+
+/*
+ * Macro's for converting txpower from EEPROM to dscape value
+ * and from dscape value to register value.
+ */
+#define MIN_TXPOWER 0
+#define MAX_TXPOWER 31
+#define DEFAULT_TXPOWER 24
+
+#define TXPOWER_FROM_DEV(__txpower) \
+({ \
+ ((__txpower) > MAX_TXPOWER) ? \
+ DEFAULT_TXPOWER : (__txpower); \
+})
+
+#define TXPOWER_TO_DEV(__txpower) \
+({ \
+ ((__txpower) <= MIN_TXPOWER) ? MIN_TXPOWER : \
+ (((__txpower) >= MAX_TXPOWER) ? MAX_TXPOWER : \
+ (__txpower)); \
+})
+
+#endif /* RT2500PCI_H */
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
new file mode 100644
index 00000000000..847bd7f58ee
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -0,0 +1,1837 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2500usb
+ Abstract: rt2500usb device specific routines.
+ Supported chipsets: RT2570.
+ */
+
+/*
+ * Set enviroment defines for rt2x00.h
+ */
+#define DRV_NAME "rt2500usb"
+
+#include <linux/delay.h>
+#include <linux/etherdevice.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+
+#include "rt2x00.h"
+#include "rt2x00usb.h"
+#include "rt2500usb.h"
+
+/*
+ * Register access.
+ * All access to the CSR registers will go through the methods
+ * rt2500usb_register_read and rt2500usb_register_write.
+ * BBP and RF register require indirect register access,
+ * and use the CSR registers BBPCSR and RFCSR to achieve this.
+ * These indirect registers work with busy bits,
+ * and we will try maximal REGISTER_BUSY_COUNT times to access
+ * the register while taking a REGISTER_BUSY_DELAY us delay
+ * between each attampt. When the busy bit is still set at that time,
+ * the access attempt is considered to have failed,
+ * and we will print an error.
+ */
+static inline void rt2500usb_register_read(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int offset,
+ u16 *value)
+{
+ __le16 reg;
+ rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
+ USB_VENDOR_REQUEST_IN, offset,
+ &reg, sizeof(u16), REGISTER_TIMEOUT);
+ *value = le16_to_cpu(reg);
+}
+
+static inline void rt2500usb_register_multiread(const struct rt2x00_dev
+ *rt2x00dev,
+ const unsigned int offset,
+ void *value, const u16 length)
+{
+ int timeout = REGISTER_TIMEOUT * (length / sizeof(u16));
+ rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
+ USB_VENDOR_REQUEST_IN, offset,
+ value, length, timeout);
+}
+
+static inline void rt2500usb_register_write(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int offset,
+ u16 value)
+{
+ __le16 reg = cpu_to_le16(value);
+ rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
+ USB_VENDOR_REQUEST_OUT, offset,
+ &reg, sizeof(u16), REGISTER_TIMEOUT);
+}
+
+static inline void rt2500usb_register_multiwrite(const struct rt2x00_dev
+ *rt2x00dev,
+ const unsigned int offset,
+ void *value, const u16 length)
+{
+ int timeout = REGISTER_TIMEOUT * (length / sizeof(u16));
+ rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
+ USB_VENDOR_REQUEST_OUT, offset,
+ value, length, timeout);
+}
+
+static u16 rt2500usb_bbp_check(const struct rt2x00_dev *rt2x00dev)
+{
+ u16 reg;
+ unsigned int i;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt2500usb_register_read(rt2x00dev, PHY_CSR8, &reg);
+ if (!rt2x00_get_field16(reg, PHY_CSR8_BUSY))
+ break;
+ udelay(REGISTER_BUSY_DELAY);
+ }
+
+ return reg;
+}
+
+static void rt2500usb_bbp_write(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, const u8 value)
+{
+ u16 reg;
+
+ /*
+ * Wait until the BBP becomes ready.
+ */
+ reg = rt2500usb_bbp_check(rt2x00dev);
+ if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) {
+ ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n");
+ return;
+ }
+
+ /*
+ * Write the data into the BBP.
+ */
+ reg = 0;
+ rt2x00_set_field16(&reg, PHY_CSR7_DATA, value);
+ rt2x00_set_field16(&reg, PHY_CSR7_REG_ID, word);
+ rt2x00_set_field16(&reg, PHY_CSR7_READ_CONTROL, 0);
+
+ rt2500usb_register_write(rt2x00dev, PHY_CSR7, reg);
+}
+
+static void rt2500usb_bbp_read(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u8 *value)
+{
+ u16 reg;
+
+ /*
+ * Wait until the BBP becomes ready.
+ */
+ reg = rt2500usb_bbp_check(rt2x00dev);
+ if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) {
+ ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n");
+ return;
+ }
+
+ /*
+ * Write the request into the BBP.
+ */
+ reg = 0;
+ rt2x00_set_field16(&reg, PHY_CSR7_REG_ID, word);
+ rt2x00_set_field16(&reg, PHY_CSR7_READ_CONTROL, 1);
+
+ rt2500usb_register_write(rt2x00dev, PHY_CSR7, reg);
+
+ /*
+ * Wait until the BBP becomes ready.
+ */
+ reg = rt2500usb_bbp_check(rt2x00dev);
+ if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) {
+ ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n");
+ *value = 0xff;
+ return;
+ }
+
+ rt2500usb_register_read(rt2x00dev, PHY_CSR7, &reg);
+ *value = rt2x00_get_field16(reg, PHY_CSR7_DATA);
+}
+
+static void rt2500usb_rf_write(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, const u32 value)
+{
+ u16 reg;
+ unsigned int i;
+
+ if (!word)
+ return;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt2500usb_register_read(rt2x00dev, PHY_CSR10, &reg);
+ if (!rt2x00_get_field16(reg, PHY_CSR10_RF_BUSY))
+ goto rf_write;
+ udelay(REGISTER_BUSY_DELAY);
+ }
+
+ ERROR(rt2x00dev, "PHY_CSR10 register busy. Write failed.\n");
+ return;
+
+rf_write:
+ reg = 0;
+ rt2x00_set_field16(&reg, PHY_CSR9_RF_VALUE, value);
+ rt2500usb_register_write(rt2x00dev, PHY_CSR9, reg);
+
+ reg = 0;
+ rt2x00_set_field16(&reg, PHY_CSR10_RF_VALUE, value >> 16);
+ rt2x00_set_field16(&reg, PHY_CSR10_RF_NUMBER_OF_BITS, 20);
+ rt2x00_set_field16(&reg, PHY_CSR10_RF_IF_SELECT, 0);
+ rt2x00_set_field16(&reg, PHY_CSR10_RF_BUSY, 1);
+
+ rt2500usb_register_write(rt2x00dev, PHY_CSR10, reg);
+ rt2x00_rf_write(rt2x00dev, word, value);
+}
+
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+#define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u16)) )
+
+static void rt2500usb_read_csr(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u32 *data)
+{
+ rt2500usb_register_read(rt2x00dev, CSR_OFFSET(word), (u16 *) data);
+}
+
+static void rt2500usb_write_csr(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u32 data)
+{
+ rt2500usb_register_write(rt2x00dev, CSR_OFFSET(word), data);
+}
+
+static const struct rt2x00debug rt2500usb_rt2x00debug = {
+ .owner = THIS_MODULE,
+ .csr = {
+ .read = rt2500usb_read_csr,
+ .write = rt2500usb_write_csr,
+ .word_size = sizeof(u16),
+ .word_count = CSR_REG_SIZE / sizeof(u16),
+ },
+ .eeprom = {
+ .read = rt2x00_eeprom_read,
+ .write = rt2x00_eeprom_write,
+ .word_size = sizeof(u16),
+ .word_count = EEPROM_SIZE / sizeof(u16),
+ },
+ .bbp = {
+ .read = rt2500usb_bbp_read,
+ .write = rt2500usb_bbp_write,
+ .word_size = sizeof(u8),
+ .word_count = BBP_SIZE / sizeof(u8),
+ },
+ .rf = {
+ .read = rt2x00_rf_read,
+ .write = rt2500usb_rf_write,
+ .word_size = sizeof(u32),
+ .word_count = RF_SIZE / sizeof(u32),
+ },
+};
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+
+/*
+ * Configuration handlers.
+ */
+static void rt2500usb_config_mac_addr(struct rt2x00_dev *rt2x00dev, u8 *addr)
+{
+ __le16 reg[3];
+
+ memset(&reg, 0, sizeof(reg));
+ memcpy(&reg, addr, ETH_ALEN);
+
+ /*
+ * The MAC address is passed to us as an array of bytes,
+ * that array is little endian, so no need for byte ordering.
+ */
+ rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, &reg, sizeof(reg));
+}
+
+static void rt2500usb_config_bssid(struct rt2x00_dev *rt2x00dev, u8 *bssid)
+{
+ __le16 reg[3];
+
+ memset(&reg, 0, sizeof(reg));
+ memcpy(&reg, bssid, ETH_ALEN);
+
+ /*
+ * The BSSID is passed to us as an array of bytes,
+ * that array is little endian, so no need for byte ordering.
+ */
+ rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, &reg, sizeof(reg));
+}
+
+static void rt2500usb_config_packet_filter(struct rt2x00_dev *rt2x00dev,
+ const unsigned int filter)
+{
+ int promisc = !!(filter & IFF_PROMISC);
+ int multicast = !!(filter & IFF_MULTICAST);
+ int broadcast = !!(filter & IFF_BROADCAST);
+ u16 reg;
+
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
+ rt2x00_set_field16(&reg, TXRX_CSR2_DROP_NOT_TO_ME, !promisc);
+ rt2x00_set_field16(&reg, TXRX_CSR2_DROP_MULTICAST, !multicast);
+ rt2x00_set_field16(&reg, TXRX_CSR2_DROP_BROADCAST, !broadcast);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
+}
+
+static void rt2500usb_config_type(struct rt2x00_dev *rt2x00dev, const int type)
+{
+ u16 reg;
+
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
+
+ /*
+ * Apply hardware packet filter.
+ */
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
+
+ if (!is_monitor_present(&rt2x00dev->interface) &&
+ (type == IEEE80211_IF_TYPE_IBSS || type == IEEE80211_IF_TYPE_STA))
+ rt2x00_set_field16(&reg, TXRX_CSR2_DROP_TODS, 1);
+ else
+ rt2x00_set_field16(&reg, TXRX_CSR2_DROP_TODS, 0);
+
+ /*
+ * If there is a non-monitor interface present
+ * the packet should be strict (even if a monitor interface is present!).
+ * When there is only 1 interface present which is in monitor mode
+ * we should start accepting _all_ frames.
+ */
+ if (is_interface_present(&rt2x00dev->interface)) {
+ rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CRC, 1);
+ rt2x00_set_field16(&reg, TXRX_CSR2_DROP_PHYSICAL, 1);
+ rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CONTROL, 1);
+ rt2x00_set_field16(&reg, TXRX_CSR2_DROP_VERSION_ERROR, 1);
+ } else if (is_monitor_present(&rt2x00dev->interface)) {
+ rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CRC, 0);
+ rt2x00_set_field16(&reg, TXRX_CSR2_DROP_PHYSICAL, 0);
+ rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CONTROL, 0);
+ rt2x00_set_field16(&reg, TXRX_CSR2_DROP_VERSION_ERROR, 0);
+ }
+
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
+
+ /*
+ * Enable beacon config
+ */
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR20, &reg);
+ rt2x00_set_field16(&reg, TXRX_CSR20_OFFSET,
+ (PREAMBLE + get_duration(IEEE80211_HEADER, 2)) >> 6);
+ if (type == IEEE80211_IF_TYPE_STA)
+ rt2x00_set_field16(&reg, TXRX_CSR20_BCN_EXPECT_WINDOW, 0);
+ else
+ rt2x00_set_field16(&reg, TXRX_CSR20_BCN_EXPECT_WINDOW, 2);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg);
+
+ /*
+ * Enable synchronisation.
+ */
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
+ rt2x00_set_field16(&reg, TXRX_CSR18_OFFSET, 0);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
+
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
+ if (is_interface_present(&rt2x00dev->interface)) {
+ rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
+ rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 1);
+ }
+
+ rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
+ if (type == IEEE80211_IF_TYPE_IBSS || type == IEEE80211_IF_TYPE_AP)
+ rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, 2);
+ else if (type == IEEE80211_IF_TYPE_STA)
+ rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, 1);
+ else if (is_monitor_present(&rt2x00dev->interface) &&
+ !is_interface_present(&rt2x00dev->interface))
+ rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, 0);
+
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
+}
+
+static void rt2500usb_config_rate(struct rt2x00_dev *rt2x00dev, const int rate)
+{
+ struct ieee80211_conf *conf = &rt2x00dev->hw->conf;
+ u16 reg;
+ u16 value;
+ u16 preamble;
+
+ if (DEVICE_GET_RATE_FIELD(rate, PREAMBLE))
+ preamble = SHORT_PREAMBLE;
+ else
+ preamble = PREAMBLE;
+
+ reg = DEVICE_GET_RATE_FIELD(rate, RATEMASK) & DEV_BASIC_RATEMASK;
+
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR11, reg);
+
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
+ value = ((conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME) ?
+ SHORT_DIFS : DIFS) +
+ PLCP + preamble + get_duration(ACK_SIZE, 10);
+ rt2x00_set_field16(&reg, TXRX_CSR1_ACK_TIMEOUT, value);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
+
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR10, &reg);
+ if (preamble == SHORT_PREAMBLE)
+ rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE, 1);
+ else
+ rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE, 0);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
+}
+
+static void rt2500usb_config_phymode(struct rt2x00_dev *rt2x00dev,
+ const int phymode)
+{
+ struct ieee80211_hw_mode *mode;
+ struct ieee80211_rate *rate;
+
+ if (phymode == MODE_IEEE80211A)
+ rt2x00dev->curr_hwmode = HWMODE_A;
+ else if (phymode == MODE_IEEE80211B)
+ rt2x00dev->curr_hwmode = HWMODE_B;
+ else
+ rt2x00dev->curr_hwmode = HWMODE_G;
+
+ mode = &rt2x00dev->hwmodes[rt2x00dev->curr_hwmode];
+ rate = &mode->rates[mode->num_rates - 1];
+
+ rt2500usb_config_rate(rt2x00dev, rate->val2);
+
+ if (phymode == MODE_IEEE80211B) {
+ rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x000b);
+ rt2500usb_register_write(rt2x00dev, MAC_CSR12, 0x0040);
+ } else {
+ rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0005);
+ rt2500usb_register_write(rt2x00dev, MAC_CSR12, 0x016c);
+ }
+}
+
+static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev,
+ const int index, const int channel,
+ const int txpower)
+{
+ struct rf_channel reg;
+
+ /*
+ * Fill rf_reg structure.
+ */
+ memcpy(&reg, &rt2x00dev->spec.channels[index], sizeof(reg));
+
+ /*
+ * Set TXpower.
+ */
+ rt2x00_set_field32(&reg.rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
+
+ /*
+ * For RT2525E we should first set the channel to half band higher.
+ */
+ if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
+ static const u32 vals[] = {
+ 0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
+ 0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
+ 0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
+ 0x00000902, 0x00000906
+ };
+
+ rt2500usb_rf_write(rt2x00dev, 2, vals[channel - 1]);
+ if (reg.rf4)
+ rt2500usb_rf_write(rt2x00dev, 4, reg.rf4);
+ }
+
+ rt2500usb_rf_write(rt2x00dev, 1, reg.rf1);
+ rt2500usb_rf_write(rt2x00dev, 2, reg.rf2);
+ rt2500usb_rf_write(rt2x00dev, 3, reg.rf3);
+ if (reg.rf4)
+ rt2500usb_rf_write(rt2x00dev, 4, reg.rf4);
+}
+
+static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev,
+ const int txpower)
+{
+ u32 rf3;
+
+ rt2x00_rf_read(rt2x00dev, 3, &rf3);
+ rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
+ rt2500usb_rf_write(rt2x00dev, 3, rf3);
+}
+
+static void rt2500usb_config_antenna(struct rt2x00_dev *rt2x00dev,
+ const int antenna_tx, const int antenna_rx)
+{
+ u8 r2;
+ u8 r14;
+ u16 csr5;
+ u16 csr6;
+
+ rt2500usb_bbp_read(rt2x00dev, 2, &r2);
+ rt2500usb_bbp_read(rt2x00dev, 14, &r14);
+ rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5);
+ rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6);
+
+ /*
+ * Configure the TX antenna.
+ */
+ switch (antenna_tx) {
+ case ANTENNA_SW_DIVERSITY:
+ case ANTENNA_HW_DIVERSITY:
+ rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1);
+ rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1);
+ rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 1);
+ break;
+ case ANTENNA_A:
+ rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
+ rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0);
+ rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0);
+ break;
+ case ANTENNA_B:
+ rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
+ rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2);
+ rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 2);
+ break;
+ }
+
+ /*
+ * Configure the RX antenna.
+ */
+ switch (antenna_rx) {
+ case ANTENNA_SW_DIVERSITY:
+ case ANTENNA_HW_DIVERSITY:
+ rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1);
+ break;
+ case ANTENNA_A:
+ rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
+ break;
+ case ANTENNA_B:
+ rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
+ break;
+ }
+
+ /*
+ * RT2525E and RT5222 need to flip TX I/Q
+ */
+ if (rt2x00_rf(&rt2x00dev->chip, RF2525E) ||
+ rt2x00_rf(&rt2x00dev->chip, RF5222)) {
+ rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
+ rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1);
+ rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1);
+
+ /*
+ * RT2525E does not need RX I/Q Flip.
+ */
+ if (rt2x00_rf(&rt2x00dev->chip, RF2525E))
+ rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
+ } else {
+ rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0);
+ rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 0);
+ }
+
+ rt2500usb_bbp_write(rt2x00dev, 2, r2);
+ rt2500usb_bbp_write(rt2x00dev, 14, r14);
+ rt2500usb_register_write(rt2x00dev, PHY_CSR5, csr5);
+ rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6);
+}
+
+static void rt2500usb_config_duration(struct rt2x00_dev *rt2x00dev,
+ const int short_slot_time,
+ const int beacon_int)
+{
+ u16 reg;
+
+ rt2500usb_register_write(rt2x00dev, MAC_CSR10,
+ short_slot_time ? SHORT_SLOT_TIME : SLOT_TIME);
+
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
+ rt2x00_set_field16(&reg, TXRX_CSR18_INTERVAL, beacon_int * 4);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
+}
+
+static void rt2500usb_config(struct rt2x00_dev *rt2x00dev,
+ const unsigned int flags,
+ struct ieee80211_conf *conf)
+{
+ int short_slot_time = conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME;
+
+ if (flags & CONFIG_UPDATE_PHYMODE)
+ rt2500usb_config_phymode(rt2x00dev, conf->phymode);
+ if (flags & CONFIG_UPDATE_CHANNEL)
+ rt2500usb_config_channel(rt2x00dev, conf->channel_val,
+ conf->channel, conf->power_level);
+ if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
+ rt2500usb_config_txpower(rt2x00dev, conf->power_level);
+ if (flags & CONFIG_UPDATE_ANTENNA)
+ rt2500usb_config_antenna(rt2x00dev, conf->antenna_sel_tx,
+ conf->antenna_sel_rx);
+ if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
+ rt2500usb_config_duration(rt2x00dev, short_slot_time,
+ conf->beacon_int);
+}
+
+/*
+ * LED functions.
+ */
+static void rt2500usb_enable_led(struct rt2x00_dev *rt2x00dev)
+{
+ u16 reg;
+
+ rt2500usb_register_read(rt2x00dev, MAC_CSR21, &reg);
+ rt2x00_set_field16(&reg, MAC_CSR21_ON_PERIOD, 70);
+ rt2x00_set_field16(&reg, MAC_CSR21_OFF_PERIOD, 30);
+ rt2500usb_register_write(rt2x00dev, MAC_CSR21, reg);
+
+ rt2500usb_register_read(rt2x00dev, MAC_CSR20, &reg);
+
+ if (rt2x00dev->led_mode == LED_MODE_TXRX_ACTIVITY) {
+ rt2x00_set_field16(&reg, MAC_CSR20_LINK, 1);
+ rt2x00_set_field16(&reg, MAC_CSR20_ACTIVITY, 0);
+ } else if (rt2x00dev->led_mode == LED_MODE_ASUS) {
+ rt2x00_set_field16(&reg, MAC_CSR20_LINK, 0);
+ rt2x00_set_field16(&reg, MAC_CSR20_ACTIVITY, 1);
+ } else {
+ rt2x00_set_field16(&reg, MAC_CSR20_LINK, 1);
+ rt2x00_set_field16(&reg, MAC_CSR20_ACTIVITY, 1);
+ }
+
+ rt2500usb_register_write(rt2x00dev, MAC_CSR20, reg);
+}
+
+static void rt2500usb_disable_led(struct rt2x00_dev *rt2x00dev)
+{
+ u16 reg;
+
+ rt2500usb_register_read(rt2x00dev, MAC_CSR20, &reg);
+ rt2x00_set_field16(&reg, MAC_CSR20_LINK, 0);
+ rt2x00_set_field16(&reg, MAC_CSR20_ACTIVITY, 0);
+ rt2500usb_register_write(rt2x00dev, MAC_CSR20, reg);
+}
+
+/*
+ * Link tuning
+ */
+static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev)
+{
+ u16 reg;
+
+ /*
+ * Update FCS error count from register.
+ */
+ rt2500usb_register_read(rt2x00dev, STA_CSR0, &reg);
+ rt2x00dev->link.rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR);
+
+ /*
+ * Update False CCA count from register.
+ */
+ rt2500usb_register_read(rt2x00dev, STA_CSR3, &reg);
+ rt2x00dev->link.false_cca =
+ rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR);
+}
+
+static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev)
+{
+ u16 eeprom;
+ u16 value;
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom);
+ value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW);
+ rt2500usb_bbp_write(rt2x00dev, 24, value);
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom);
+ value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW);
+ rt2500usb_bbp_write(rt2x00dev, 25, value);
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom);
+ value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW);
+ rt2500usb_bbp_write(rt2x00dev, 61, value);
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom);
+ value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER);
+ rt2500usb_bbp_write(rt2x00dev, 17, value);
+
+ rt2x00dev->link.vgc_level = value;
+}
+
+static void rt2500usb_link_tuner(struct rt2x00_dev *rt2x00dev)
+{
+ int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
+ u16 bbp_thresh;
+ u16 vgc_bound;
+ u16 sens;
+ u16 r24;
+ u16 r25;
+ u16 r61;
+ u16 r17_sens;
+ u8 r17;
+ u8 up_bound;
+ u8 low_bound;
+
+ /*
+ * Determine the BBP tuning threshold and correctly
+ * set BBP 24, 25 and 61.
+ */
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &bbp_thresh);
+ bbp_thresh = rt2x00_get_field16(bbp_thresh, EEPROM_BBPTUNE_THRESHOLD);
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &r24);
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &r25);
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &r61);
+
+ if ((rssi + bbp_thresh) > 0) {
+ r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_HIGH);
+ r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_HIGH);
+ r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_HIGH);
+ } else {
+ r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_LOW);
+ r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_LOW);
+ r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_LOW);
+ }
+
+ rt2500usb_bbp_write(rt2x00dev, 24, r24);
+ rt2500usb_bbp_write(rt2x00dev, 25, r25);
+ rt2500usb_bbp_write(rt2x00dev, 61, r61);
+
+ /*
+ * Read current r17 value, as well as the sensitivity values
+ * for the r17 register.
+ */
+ rt2500usb_bbp_read(rt2x00dev, 17, &r17);
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens);
+
+ /*
+ * A too low RSSI will cause too much false CCA which will
+ * then corrupt the R17 tuning. To remidy this the tuning should
+ * be stopped (While making sure the R17 value will not exceed limits)
+ */
+ if (rssi >= -40) {
+ if (r17 != 0x60)
+ rt2500usb_bbp_write(rt2x00dev, 17, 0x60);
+ return;
+ }
+
+ /*
+ * Special big-R17 for short distance
+ */
+ if (rssi >= -58) {
+ sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_LOW);
+ if (r17 != sens)
+ rt2500usb_bbp_write(rt2x00dev, 17, sens);
+ return;
+ }
+
+ /*
+ * Special mid-R17 for middle distance
+ */
+ if (rssi >= -74) {
+ sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_HIGH);
+ if (r17 != sens)
+ rt2500usb_bbp_write(rt2x00dev, 17, sens);
+ return;
+ }
+
+ /*
+ * Leave short or middle distance condition, restore r17
+ * to the dynamic tuning range.
+ */
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound);
+ vgc_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER);
+
+ low_bound = 0x32;
+ if (rssi >= -77)
+ up_bound = vgc_bound;
+ else
+ up_bound = vgc_bound - (-77 - rssi);
+
+ if (up_bound < low_bound)
+ up_bound = low_bound;
+
+ if (r17 > up_bound) {
+ rt2500usb_bbp_write(rt2x00dev, 17, up_bound);
+ rt2x00dev->link.vgc_level = up_bound;
+ } else if (rt2x00dev->link.false_cca > 512 && r17 < up_bound) {
+ rt2500usb_bbp_write(rt2x00dev, 17, ++r17);
+ rt2x00dev->link.vgc_level = r17;
+ } else if (rt2x00dev->link.false_cca < 100 && r17 > low_bound) {
+ rt2500usb_bbp_write(rt2x00dev, 17, --r17);
+ rt2x00dev->link.vgc_level = r17;
+ }
+}
+
+/*
+ * Initialization functions.
+ */
+static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
+{
+ u16 reg;
+
+ rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0x0001,
+ USB_MODE_TEST, REGISTER_TIMEOUT);
+ rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308,
+ 0x00f0, REGISTER_TIMEOUT);
+
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
+ rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX, 1);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
+
+ rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111);
+ rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11);
+
+ rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
+ rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 1);
+ rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 1);
+ rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
+ rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
+
+ rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
+ rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
+ rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
+ rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
+ rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
+
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR5, &reg);
+ rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0, 13);
+ rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0_VALID, 1);
+ rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1, 12);
+ rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1_VALID, 1);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR5, reg);
+
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR6, &reg);
+ rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0, 10);
+ rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0_VALID, 1);
+ rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1, 11);
+ rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1_VALID, 1);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR6, reg);
+
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
+ rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0, 7);
+ rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0_VALID, 1);
+ rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1, 6);
+ rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1_VALID, 1);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR7, reg);
+
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
+ rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0, 5);
+ rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0_VALID, 1);
+ rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1, 0);
+ rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1_VALID, 0);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg);
+
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f);
+ rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d);
+
+ if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
+ return -EBUSY;
+
+ rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
+ rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
+ rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
+ rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 1);
+ rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
+
+ if (rt2x00_get_rev(&rt2x00dev->chip) >= RT2570_VERSION_C) {
+ rt2500usb_register_read(rt2x00dev, PHY_CSR2, &reg);
+ reg &= ~0x0002;
+ } else {
+ reg = 0x3002;
+ }
+ rt2500usb_register_write(rt2x00dev, PHY_CSR2, reg);
+
+ rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0002);
+ rt2500usb_register_write(rt2x00dev, MAC_CSR22, 0x0053);
+ rt2500usb_register_write(rt2x00dev, MAC_CSR15, 0x01ee);
+ rt2500usb_register_write(rt2x00dev, MAC_CSR16, 0x0000);
+
+ rt2500usb_register_read(rt2x00dev, MAC_CSR8, &reg);
+ rt2x00_set_field16(&reg, MAC_CSR8_MAX_FRAME_UNIT,
+ rt2x00dev->rx->data_size);
+ rt2500usb_register_write(rt2x00dev, MAC_CSR8, reg);
+
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
+ rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
+ rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, 0xff);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
+
+ rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
+ rt2x00_set_field16(&reg, MAC_CSR18_DELAY_AFTER_BEACON, 90);
+ rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
+
+ rt2500usb_register_read(rt2x00dev, PHY_CSR4, &reg);
+ rt2x00_set_field16(&reg, PHY_CSR4_LOW_RF_LE, 1);
+ rt2500usb_register_write(rt2x00dev, PHY_CSR4, reg);
+
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
+ rt2x00_set_field16(&reg, TXRX_CSR1_AUTO_SEQUENCE, 1);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
+
+ return 0;
+}
+
+static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev)
+{
+ unsigned int i;
+ u16 eeprom;
+ u8 value;
+ u8 reg_id;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt2500usb_bbp_read(rt2x00dev, 0, &value);
+ if ((value != 0xff) && (value != 0x00))
+ goto continue_csr_init;
+ NOTICE(rt2x00dev, "Waiting for BBP register.\n");
+ udelay(REGISTER_BUSY_DELAY);
+ }
+
+ ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
+ return -EACCES;
+
+continue_csr_init:
+ rt2500usb_bbp_write(rt2x00dev, 3, 0x02);
+ rt2500usb_bbp_write(rt2x00dev, 4, 0x19);
+ rt2500usb_bbp_write(rt2x00dev, 14, 0x1c);
+ rt2500usb_bbp_write(rt2x00dev, 15, 0x30);
+ rt2500usb_bbp_write(rt2x00dev, 16, 0xac);
+ rt2500usb_bbp_write(rt2x00dev, 18, 0x18);
+ rt2500usb_bbp_write(rt2x00dev, 19, 0xff);
+ rt2500usb_bbp_write(rt2x00dev, 20, 0x1e);
+ rt2500usb_bbp_write(rt2x00dev, 21, 0x08);
+ rt2500usb_bbp_write(rt2x00dev, 22, 0x08);
+ rt2500usb_bbp_write(rt2x00dev, 23, 0x08);
+ rt2500usb_bbp_write(rt2x00dev, 24, 0x80);
+ rt2500usb_bbp_write(rt2x00dev, 25, 0x50);
+ rt2500usb_bbp_write(rt2x00dev, 26, 0x08);
+ rt2500usb_bbp_write(rt2x00dev, 27, 0x23);
+ rt2500usb_bbp_write(rt2x00dev, 30, 0x10);
+ rt2500usb_bbp_write(rt2x00dev, 31, 0x2b);
+ rt2500usb_bbp_write(rt2x00dev, 32, 0xb9);
+ rt2500usb_bbp_write(rt2x00dev, 34, 0x12);
+ rt2500usb_bbp_write(rt2x00dev, 35, 0x50);
+ rt2500usb_bbp_write(rt2x00dev, 39, 0xc4);
+ rt2500usb_bbp_write(rt2x00dev, 40, 0x02);
+ rt2500usb_bbp_write(rt2x00dev, 41, 0x60);
+ rt2500usb_bbp_write(rt2x00dev, 53, 0x10);
+ rt2500usb_bbp_write(rt2x00dev, 54, 0x18);
+ rt2500usb_bbp_write(rt2x00dev, 56, 0x08);
+ rt2500usb_bbp_write(rt2x00dev, 57, 0x10);
+ rt2500usb_bbp_write(rt2x00dev, 58, 0x08);
+ rt2500usb_bbp_write(rt2x00dev, 61, 0x60);
+ rt2500usb_bbp_write(rt2x00dev, 62, 0x10);
+ rt2500usb_bbp_write(rt2x00dev, 75, 0xff);
+
+ DEBUG(rt2x00dev, "Start initialization from EEPROM...\n");
+ for (i = 0; i < EEPROM_BBP_SIZE; i++) {
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
+
+ if (eeprom != 0xffff && eeprom != 0x0000) {
+ reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
+ value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
+ DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n",
+ reg_id, value);
+ rt2500usb_bbp_write(rt2x00dev, reg_id, value);
+ }
+ }
+ DEBUG(rt2x00dev, "...End initialization from EEPROM.\n");
+
+ return 0;
+}
+
+/*
+ * Device state switch handlers.
+ */
+static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
+ enum dev_state state)
+{
+ u16 reg;
+
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
+ rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX,
+ state == STATE_RADIO_RX_OFF);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
+}
+
+static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev)
+{
+ /*
+ * Initialize all registers.
+ */
+ if (rt2500usb_init_registers(rt2x00dev) ||
+ rt2500usb_init_bbp(rt2x00dev)) {
+ ERROR(rt2x00dev, "Register initialization failed.\n");
+ return -EIO;
+ }
+
+ rt2x00usb_enable_radio(rt2x00dev);
+
+ /*
+ * Enable LED
+ */
+ rt2500usb_enable_led(rt2x00dev);
+
+ return 0;
+}
+
+static void rt2500usb_disable_radio(struct rt2x00_dev *rt2x00dev)
+{
+ /*
+ * Disable LED
+ */
+ rt2500usb_disable_led(rt2x00dev);
+
+ rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x2121);
+ rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x2121);
+
+ /*
+ * Disable synchronisation.
+ */
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
+
+ rt2x00usb_disable_radio(rt2x00dev);
+}
+
+static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev,
+ enum dev_state state)
+{
+ u16 reg;
+ u16 reg2;
+ unsigned int i;
+ char put_to_sleep;
+ char bbp_state;
+ char rf_state;
+
+ put_to_sleep = (state != STATE_AWAKE);
+
+ reg = 0;
+ rt2x00_set_field16(&reg, MAC_CSR17_BBP_DESIRE_STATE, state);
+ rt2x00_set_field16(&reg, MAC_CSR17_RF_DESIRE_STATE, state);
+ rt2x00_set_field16(&reg, MAC_CSR17_PUT_TO_SLEEP, put_to_sleep);
+ rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
+ rt2x00_set_field16(&reg, MAC_CSR17_SET_STATE, 1);
+ rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
+
+ /*
+ * Device is not guaranteed to be in the requested state yet.
+ * We must wait until the register indicates that the
+ * device has entered the correct state.
+ */
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt2500usb_register_read(rt2x00dev, MAC_CSR17, &reg2);
+ bbp_state = rt2x00_get_field16(reg2, MAC_CSR17_BBP_CURR_STATE);
+ rf_state = rt2x00_get_field16(reg2, MAC_CSR17_RF_CURR_STATE);
+ if (bbp_state == state && rf_state == state)
+ return 0;
+ rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
+ msleep(30);
+ }
+
+ NOTICE(rt2x00dev, "Device failed to enter state %d, "
+ "current device state: bbp %d and rf %d.\n",
+ state, bbp_state, rf_state);
+
+ return -EBUSY;
+}
+
+static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev,
+ enum dev_state state)
+{
+ int retval = 0;
+
+ switch (state) {
+ case STATE_RADIO_ON:
+ retval = rt2500usb_enable_radio(rt2x00dev);
+ break;
+ case STATE_RADIO_OFF:
+ rt2500usb_disable_radio(rt2x00dev);
+ break;
+ case STATE_RADIO_RX_ON:
+ case STATE_RADIO_RX_OFF:
+ rt2500usb_toggle_rx(rt2x00dev, state);
+ break;
+ case STATE_DEEP_SLEEP:
+ case STATE_SLEEP:
+ case STATE_STANDBY:
+ case STATE_AWAKE:
+ retval = rt2500usb_set_state(rt2x00dev, state);
+ break;
+ default:
+ retval = -ENOTSUPP;
+ break;
+ }
+
+ return retval;
+}
+
+/*
+ * TX descriptor initialization
+ */
+static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
+ struct data_desc *txd,
+ struct data_entry_desc *desc,
+ struct ieee80211_hdr *ieee80211hdr,
+ unsigned int length,
+ struct ieee80211_tx_control *control)
+{
+ u32 word;
+
+ /*
+ * Start writing the descriptor words.
+ */
+ rt2x00_desc_read(txd, 1, &word);
+ rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER);
+ rt2x00_set_field32(&word, TXD_W1_AIFS, desc->aifs);
+ rt2x00_set_field32(&word, TXD_W1_CWMIN, desc->cw_min);
+ rt2x00_set_field32(&word, TXD_W1_CWMAX, desc->cw_max);
+ rt2x00_desc_write(txd, 1, word);
+
+ rt2x00_desc_read(txd, 2, &word);
+ rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, desc->signal);
+ rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, desc->service);
+ rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, desc->length_low);
+ rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, desc->length_high);
+ rt2x00_desc_write(txd, 2, word);
+
+ rt2x00_desc_read(txd, 0, &word);
+ rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, control->retry_limit);
+ rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
+ test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags));
+ rt2x00_set_field32(&word, TXD_W0_ACK,
+ !(control->flags & IEEE80211_TXCTL_NO_ACK));
+ rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
+ test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags));
+ rt2x00_set_field32(&word, TXD_W0_OFDM,
+ test_bit(ENTRY_TXD_OFDM_RATE, &desc->flags));
+ rt2x00_set_field32(&word, TXD_W0_NEW_SEQ,
+ !!(control->flags & IEEE80211_TXCTL_FIRST_FRAGMENT));
+ rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs);
+ rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, length);
+ rt2x00_set_field32(&word, TXD_W0_CIPHER, CIPHER_NONE);
+ rt2x00_desc_write(txd, 0, word);
+}
+
+/*
+ * TX data initialization
+ */
+static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
+ unsigned int queue)
+{
+ u16 reg;
+
+ if (queue != IEEE80211_TX_QUEUE_BEACON)
+ return;
+
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
+ if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) {
+ rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 1);
+ /*
+ * Beacon generation will fail initially.
+ * To prevent this we need to register the TXRX_CSR19
+ * register several times.
+ */
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
+ }
+}
+
+/*
+ * RX control handlers
+ */
+static int rt2500usb_fill_rxdone(struct data_entry *entry,
+ int *signal, int *rssi, int *ofdm, int *size)
+{
+ struct urb *urb = entry->priv;
+ struct data_desc *rxd = (struct data_desc *)(entry->skb->data +
+ (urb->actual_length -
+ entry->ring->desc_size));
+ u32 word0;
+ u32 word1;
+
+ rt2x00_desc_read(rxd, 0, &word0);
+ rt2x00_desc_read(rxd, 1, &word1);
+
+ if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR) ||
+ rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR) ||
+ rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR))
+ return -EINVAL;
+
+ /*
+ * Obtain the status about this packet.
+ */
+ *signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
+ *rssi = rt2x00_get_field32(word1, RXD_W1_RSSI) -
+ entry->ring->rt2x00dev->rssi_offset;
+ *ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM);
+ *size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
+
+ return 0;
+}
+
+/*
+ * Interrupt functions.
+ */
+static void rt2500usb_beacondone(struct urb *urb)
+{
+ struct data_entry *entry = (struct data_entry *)urb->context;
+ struct data_ring *ring = entry->ring;
+
+ if (!test_bit(DEVICE_ENABLED_RADIO, &ring->rt2x00dev->flags))
+ return;
+
+ /*
+ * Check if this was the guardian beacon,
+ * if that was the case we need to send the real beacon now.
+ * Otherwise we should free the sk_buffer, the device
+ * should be doing the rest of the work now.
+ */
+ if (ring->index == 1) {
+ rt2x00_ring_index_done_inc(ring);
+ entry = rt2x00_get_data_entry(ring);
+ usb_submit_urb(entry->priv, GFP_ATOMIC);
+ rt2x00_ring_index_inc(ring);
+ } else if (ring->index_done == 1) {
+ entry = rt2x00_get_data_entry_done(ring);
+ if (entry->skb) {
+ dev_kfree_skb(entry->skb);
+ entry->skb = NULL;
+ }
+ rt2x00_ring_index_done_inc(ring);
+ }
+}
+
+/*
+ * Device probe functions.
+ */
+static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+ u16 word;
+ u8 *mac;
+
+ rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
+
+ /*
+ * Start validation of the data that has been read.
+ */
+ mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
+ if (!is_valid_ether_addr(mac)) {
+ random_ether_addr(mac);
+ EEPROM(rt2x00dev, "MAC: " MAC_FMT "\n", MAC_ARG(mac));
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
+ if (word == 0xffff) {
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, 0);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, 0);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE, 0);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
+ EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
+ if (word == 0xffff) {
+ rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
+ rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0);
+ rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
+ EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word);
+ if (word == 0xffff) {
+ rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI,
+ DEFAULT_RSSI_OFFSET);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word);
+ EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word);
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word);
+ if (word == 0xffff) {
+ rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word);
+ EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word);
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word);
+ if (word == 0xffff) {
+ rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
+ EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word);
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word);
+ if (word == 0xffff) {
+ rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48);
+ rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word);
+ EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word);
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word);
+ if (word == 0xffff) {
+ rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40);
+ rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R24, word);
+ EEPROM(rt2x00dev, "BBPtune r24: 0x%04x\n", word);
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word);
+ if (word == 0xffff) {
+ rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40);
+ rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R25, word);
+ EEPROM(rt2x00dev, "BBPtune r25: 0x%04x\n", word);
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word);
+ if (word == 0xffff) {
+ rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60);
+ rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R61, word);
+ EEPROM(rt2x00dev, "BBPtune r61: 0x%04x\n", word);
+ }
+
+ return 0;
+}
+
+static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+ u16 reg;
+ u16 value;
+ u16 eeprom;
+
+ /*
+ * Read EEPROM word for configuration.
+ */
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
+
+ /*
+ * Identify RF chipset.
+ */
+ value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
+ rt2500usb_register_read(rt2x00dev, MAC_CSR0, &reg);
+ rt2x00_set_chip(rt2x00dev, RT2570, value, reg);
+
+ if (rt2x00_rev(&rt2x00dev->chip, 0xffff0)) {
+ ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
+ return -ENODEV;
+ }
+
+ if (!rt2x00_rf(&rt2x00dev->chip, RF2522) &&
+ !rt2x00_rf(&rt2x00dev->chip, RF2523) &&
+ !rt2x00_rf(&rt2x00dev->chip, RF2524) &&
+ !rt2x00_rf(&rt2x00dev->chip, RF2525) &&
+ !rt2x00_rf(&rt2x00dev->chip, RF2525E) &&
+ !rt2x00_rf(&rt2x00dev->chip, RF5222)) {
+ ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
+ return -ENODEV;
+ }
+
+ /*
+ * Identify default antenna configuration.
+ */
+ rt2x00dev->hw->conf.antenna_sel_tx =
+ rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
+ rt2x00dev->hw->conf.antenna_sel_rx =
+ rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
+
+ /*
+ * Store led mode, for correct led behaviour.
+ */
+ rt2x00dev->led_mode =
+ rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
+
+ /*
+ * Check if the BBP tuning should be disabled.
+ */
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
+ if (rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE))
+ __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
+
+ /*
+ * Read the RSSI <-> dBm offset information.
+ */
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom);
+ rt2x00dev->rssi_offset =
+ rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI);
+
+ return 0;
+}
+
+/*
+ * RF value list for RF2522
+ * Supports: 2.4 GHz
+ */
+static const struct rf_channel rf_vals_bg_2522[] = {
+ { 1, 0x00002050, 0x000c1fda, 0x00000101, 0 },
+ { 2, 0x00002050, 0x000c1fee, 0x00000101, 0 },
+ { 3, 0x00002050, 0x000c2002, 0x00000101, 0 },
+ { 4, 0x00002050, 0x000c2016, 0x00000101, 0 },
+ { 5, 0x00002050, 0x000c202a, 0x00000101, 0 },
+ { 6, 0x00002050, 0x000c203e, 0x00000101, 0 },
+ { 7, 0x00002050, 0x000c2052, 0x00000101, 0 },
+ { 8, 0x00002050, 0x000c2066, 0x00000101, 0 },
+ { 9, 0x00002050, 0x000c207a, 0x00000101, 0 },
+ { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
+ { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
+ { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
+ { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
+ { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
+};
+
+/*
+ * RF value list for RF2523
+ * Supports: 2.4 GHz
+ */
+static const struct rf_channel rf_vals_bg_2523[] = {
+ { 1, 0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
+ { 2, 0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
+ { 3, 0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
+ { 4, 0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
+ { 5, 0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
+ { 6, 0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
+ { 7, 0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
+ { 8, 0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
+ { 9, 0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
+ { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
+ { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
+ { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
+ { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
+ { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
+};
+
+/*
+ * RF value list for RF2524
+ * Supports: 2.4 GHz
+ */
+static const struct rf_channel rf_vals_bg_2524[] = {
+ { 1, 0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
+ { 2, 0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
+ { 3, 0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
+ { 4, 0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
+ { 5, 0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
+ { 6, 0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
+ { 7, 0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
+ { 8, 0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
+ { 9, 0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
+ { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
+ { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
+ { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
+ { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
+ { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
+};
+
+/*
+ * RF value list for RF2525
+ * Supports: 2.4 GHz
+ */
+static const struct rf_channel rf_vals_bg_2525[] = {
+ { 1, 0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
+ { 2, 0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
+ { 3, 0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
+ { 4, 0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
+ { 5, 0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
+ { 6, 0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
+ { 7, 0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
+ { 8, 0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
+ { 9, 0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
+ { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
+ { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
+ { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
+ { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
+ { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
+};
+
+/*
+ * RF value list for RF2525e
+ * Supports: 2.4 GHz
+ */
+static const struct rf_channel rf_vals_bg_2525e[] = {
+ { 1, 0x00022010, 0x0000089a, 0x00060111, 0x00000e1b },
+ { 2, 0x00022010, 0x0000089e, 0x00060111, 0x00000e07 },
+ { 3, 0x00022010, 0x0000089e, 0x00060111, 0x00000e1b },
+ { 4, 0x00022010, 0x000008a2, 0x00060111, 0x00000e07 },
+ { 5, 0x00022010, 0x000008a2, 0x00060111, 0x00000e1b },
+ { 6, 0x00022010, 0x000008a6, 0x00060111, 0x00000e07 },
+ { 7, 0x00022010, 0x000008a6, 0x00060111, 0x00000e1b },
+ { 8, 0x00022010, 0x000008aa, 0x00060111, 0x00000e07 },
+ { 9, 0x00022010, 0x000008aa, 0x00060111, 0x00000e1b },
+ { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 },
+ { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b },
+ { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 },
+ { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b },
+ { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 },
+};
+
+/*
+ * RF value list for RF5222
+ * Supports: 2.4 GHz & 5.2 GHz
+ */
+static const struct rf_channel rf_vals_5222[] = {
+ { 1, 0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
+ { 2, 0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
+ { 3, 0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
+ { 4, 0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
+ { 5, 0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
+ { 6, 0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
+ { 7, 0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
+ { 8, 0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
+ { 9, 0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
+ { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
+ { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
+ { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
+ { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
+ { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
+
+ /* 802.11 UNI / HyperLan 2 */
+ { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
+ { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
+ { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
+ { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
+ { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
+ { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
+ { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
+ { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
+
+ /* 802.11 HyperLan 2 */
+ { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
+ { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
+ { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
+ { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
+ { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
+ { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
+ { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
+ { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
+ { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
+ { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
+
+ /* 802.11 UNII */
+ { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
+ { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
+ { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
+ { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
+ { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
+};
+
+static void rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
+{
+ struct hw_mode_spec *spec = &rt2x00dev->spec;
+ u8 *txpower;
+ unsigned int i;
+
+ /*
+ * Initialize all hw fields.
+ */
+ rt2x00dev->hw->flags =
+ IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE |
+ IEEE80211_HW_RX_INCLUDES_FCS |
+ IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+ IEEE80211_HW_MONITOR_DURING_OPER |
+ IEEE80211_HW_NO_PROBE_FILTERING;
+ rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE;
+ rt2x00dev->hw->max_signal = MAX_SIGNAL;
+ rt2x00dev->hw->max_rssi = MAX_RX_SSI;
+ rt2x00dev->hw->queues = 2;
+
+ SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_usb(rt2x00dev)->dev);
+ SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
+ rt2x00_eeprom_addr(rt2x00dev,
+ EEPROM_MAC_ADDR_0));
+
+ /*
+ * Convert tx_power array in eeprom.
+ */
+ txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
+ for (i = 0; i < 14; i++)
+ txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
+
+ /*
+ * Initialize hw_mode information.
+ */
+ spec->num_modes = 2;
+ spec->num_rates = 12;
+ spec->tx_power_a = NULL;
+ spec->tx_power_bg = txpower;
+ spec->tx_power_default = DEFAULT_TXPOWER;
+
+ if (rt2x00_rf(&rt2x00dev->chip, RF2522)) {
+ spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522);
+ spec->channels = rf_vals_bg_2522;
+ } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) {
+ spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523);
+ spec->channels = rf_vals_bg_2523;
+ } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) {
+ spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524);
+ spec->channels = rf_vals_bg_2524;
+ } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
+ spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525);
+ spec->channels = rf_vals_bg_2525;
+ } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
+ spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
+ spec->channels = rf_vals_bg_2525e;
+ } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) {
+ spec->num_channels = ARRAY_SIZE(rf_vals_5222);
+ spec->channels = rf_vals_5222;
+ spec->num_modes = 3;
+ }
+}
+
+static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev)
+{
+ int retval;
+
+ /*
+ * Allocate eeprom data.
+ */
+ retval = rt2500usb_validate_eeprom(rt2x00dev);
+ if (retval)
+ return retval;
+
+ retval = rt2500usb_init_eeprom(rt2x00dev);
+ if (retval)
+ return retval;
+
+ /*
+ * Initialize hw specifications.
+ */
+ rt2500usb_probe_hw_mode(rt2x00dev);
+
+ /*
+ * USB devices require scheduled packet filter toggling
+ *This device requires the beacon ring
+ */
+ __set_bit(PACKET_FILTER_SCHEDULED, &rt2x00dev->flags);
+ __set_bit(REQUIRE_BEACON_RING, &rt2x00dev->flags);
+
+ /*
+ * Set the rssi offset.
+ */
+ rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
+
+ return 0;
+}
+
+/*
+ * IEEE80211 stack callback functions.
+ */
+static int rt2500usb_beacon_update(struct ieee80211_hw *hw,
+ struct sk_buff *skb,
+ struct ieee80211_tx_control *control)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ struct usb_device *usb_dev =
+ interface_to_usbdev(rt2x00dev_usb(rt2x00dev));
+ struct data_ring *ring =
+ rt2x00lib_get_ring(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
+ struct data_entry *beacon;
+ struct data_entry *guardian;
+ int length;
+
+ /*
+ * Just in case the ieee80211 doesn't set this,
+ * but we need this queue set for the descriptor
+ * initialization.
+ */
+ control->queue = IEEE80211_TX_QUEUE_BEACON;
+
+ /*
+ * Obtain 2 entries, one for the guardian byte,
+ * the second for the actual beacon.
+ */
+ guardian = rt2x00_get_data_entry(ring);
+ rt2x00_ring_index_inc(ring);
+ beacon = rt2x00_get_data_entry(ring);
+
+ /*
+ * First we create the beacon.
+ */
+ skb_push(skb, ring->desc_size);
+ rt2x00lib_write_tx_desc(rt2x00dev, (struct data_desc *)skb->data,
+ (struct ieee80211_hdr *)(skb->data +
+ ring->desc_size),
+ skb->len - ring->desc_size, control);
+
+ /*
+ * Length passed to usb_fill_urb cannot be an odd number,
+ * so add 1 byte to make it even.
+ */
+ length = skb->len;
+ if (length % 2)
+ length++;
+
+ usb_fill_bulk_urb(beacon->priv, usb_dev,
+ usb_sndbulkpipe(usb_dev, 1),
+ skb->data, length, rt2500usb_beacondone, beacon);
+
+ beacon->skb = skb;
+
+ /*
+ * Second we need to create the guardian byte.
+ * We only need a single byte, so lets recycle
+ * the 'flags' field we are not using for beacons.
+ */
+ guardian->flags = 0;
+ usb_fill_bulk_urb(guardian->priv, usb_dev,
+ usb_sndbulkpipe(usb_dev, 1),
+ &guardian->flags, 1, rt2500usb_beacondone, guardian);
+
+ /*
+ * Send out the guardian byte.
+ */
+ usb_submit_urb(guardian->priv, GFP_ATOMIC);
+
+ /*
+ * Enable beacon generation.
+ */
+ rt2500usb_kick_tx_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
+
+ return 0;
+}
+
+static const struct ieee80211_ops rt2500usb_mac80211_ops = {
+ .tx = rt2x00mac_tx,
+ .add_interface = rt2x00mac_add_interface,
+ .remove_interface = rt2x00mac_remove_interface,
+ .config = rt2x00mac_config,
+ .config_interface = rt2x00mac_config_interface,
+ .set_multicast_list = rt2x00mac_set_multicast_list,
+ .get_stats = rt2x00mac_get_stats,
+ .conf_tx = rt2x00mac_conf_tx,
+ .get_tx_stats = rt2x00mac_get_tx_stats,
+ .beacon_update = rt2500usb_beacon_update,
+};
+
+static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
+ .probe_hw = rt2500usb_probe_hw,
+ .initialize = rt2x00usb_initialize,
+ .uninitialize = rt2x00usb_uninitialize,
+ .set_device_state = rt2500usb_set_device_state,
+ .link_stats = rt2500usb_link_stats,
+ .reset_tuner = rt2500usb_reset_tuner,
+ .link_tuner = rt2500usb_link_tuner,
+ .write_tx_desc = rt2500usb_write_tx_desc,
+ .write_tx_data = rt2x00usb_write_tx_data,
+ .kick_tx_queue = rt2500usb_kick_tx_queue,
+ .fill_rxdone = rt2500usb_fill_rxdone,
+ .config_mac_addr = rt2500usb_config_mac_addr,
+ .config_bssid = rt2500usb_config_bssid,
+ .config_packet_filter = rt2500usb_config_packet_filter,
+ .config_type = rt2500usb_config_type,
+ .config = rt2500usb_config,
+};
+
+static const struct rt2x00_ops rt2500usb_ops = {
+ .name = DRV_NAME,
+ .rxd_size = RXD_DESC_SIZE,
+ .txd_size = TXD_DESC_SIZE,
+ .eeprom_size = EEPROM_SIZE,
+ .rf_size = RF_SIZE,
+ .lib = &rt2500usb_rt2x00_ops,
+ .hw = &rt2500usb_mac80211_ops,
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+ .debugfs = &rt2500usb_rt2x00debug,
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+};
+
+/*
+ * rt2500usb module information.
+ */
+static struct usb_device_id rt2500usb_device_table[] = {
+ /* ASUS */
+ { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
+ { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops) },
+ /* Belkin */
+ { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops) },
+ { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops) },
+ { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops) },
+ /* Cisco Systems */
+ { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops) },
+ { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops) },
+ { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops) },
+ /* Conceptronic */
+ { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops) },
+ /* D-LINK */
+ { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops) },
+ /* Gigabyte */
+ { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops) },
+ { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops) },
+ /* Hercules */
+ { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) },
+ /* Melco */
+ { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) },
+ { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) },
+ { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) },
+ { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) },
+
+ /* MSI */
+ { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) },
+ { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) },
+ { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops) },
+ /* Ralink */
+ { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
+ { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) },
+ { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) },
+ { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
+ /* Siemens */
+ { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops) },
+ /* SMC */
+ { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops) },
+ /* Spairon */
+ { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops) },
+ /* Trust */
+ { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
+ /* Zinwell */
+ { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops) },
+ { 0, }
+};
+
+MODULE_AUTHOR(DRV_PROJECT);
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver.");
+MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards");
+MODULE_DEVICE_TABLE(usb, rt2500usb_device_table);
+MODULE_LICENSE("GPL");
+
+static struct usb_driver rt2500usb_driver = {
+ .name = DRV_NAME,
+ .id_table = rt2500usb_device_table,
+ .probe = rt2x00usb_probe,
+ .disconnect = rt2x00usb_disconnect,
+ .suspend = rt2x00usb_suspend,
+ .resume = rt2x00usb_resume,
+};
+
+static int __init rt2500usb_init(void)
+{
+ return usb_register(&rt2500usb_driver);
+}
+
+static void __exit rt2500usb_exit(void)
+{
+ usb_deregister(&rt2500usb_driver);
+}
+
+module_init(rt2500usb_init);
+module_exit(rt2500usb_exit);
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.h b/drivers/net/wireless/rt2x00/rt2500usb.h
new file mode 100644
index 00000000000..b18d56e73cf
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2500usb.h
@@ -0,0 +1,798 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2500usb
+ Abstract: Data structures and registers for the rt2500usb module.
+ Supported chipsets: RT2570.
+ */
+
+#ifndef RT2500USB_H
+#define RT2500USB_H
+
+/*
+ * RF chip defines.
+ */
+#define RF2522 0x0000
+#define RF2523 0x0001
+#define RF2524 0x0002
+#define RF2525 0x0003
+#define RF2525E 0x0005
+#define RF5222 0x0010
+
+/*
+ * RT2570 version
+ */
+#define RT2570_VERSION_B 2
+#define RT2570_VERSION_C 3
+#define RT2570_VERSION_D 4
+
+/*
+ * Signal information.
+ * Defaul offset is required for RSSI <-> dBm conversion.
+ */
+#define MAX_SIGNAL 100
+#define MAX_RX_SSI -1
+#define DEFAULT_RSSI_OFFSET 120
+
+/*
+ * Register layout information.
+ */
+#define CSR_REG_BASE 0x0400
+#define CSR_REG_SIZE 0x0100
+#define EEPROM_BASE 0x0000
+#define EEPROM_SIZE 0x006a
+#define BBP_SIZE 0x0060
+#define RF_SIZE 0x0014
+
+/*
+ * Control/Status Registers(CSR).
+ * Some values are set in TU, whereas 1 TU == 1024 us.
+ */
+
+/*
+ * MAC_CSR0: ASIC revision number.
+ */
+#define MAC_CSR0 0x0400
+
+/*
+ * MAC_CSR1: System control.
+ * SOFT_RESET: Software reset, 1: reset, 0: normal.
+ * BBP_RESET: Hardware reset, 1: reset, 0, release.
+ * HOST_READY: Host ready after initialization.
+ */
+#define MAC_CSR1 0x0402
+#define MAC_CSR1_SOFT_RESET FIELD16(0x00000001)
+#define MAC_CSR1_BBP_RESET FIELD16(0x00000002)
+#define MAC_CSR1_HOST_READY FIELD16(0x00000004)
+
+/*
+ * MAC_CSR2: STA MAC register 0.
+ */
+#define MAC_CSR2 0x0404
+#define MAC_CSR2_BYTE0 FIELD16(0x00ff)
+#define MAC_CSR2_BYTE1 FIELD16(0xff00)
+
+/*
+ * MAC_CSR3: STA MAC register 1.
+ */
+#define MAC_CSR3 0x0406
+#define MAC_CSR3_BYTE2 FIELD16(0x00ff)
+#define MAC_CSR3_BYTE3 FIELD16(0xff00)
+
+/*
+ * MAC_CSR4: STA MAC register 2.
+ */
+#define MAC_CSR4 0X0408
+#define MAC_CSR4_BYTE4 FIELD16(0x00ff)
+#define MAC_CSR4_BYTE5 FIELD16(0xff00)
+
+/*
+ * MAC_CSR5: BSSID register 0.
+ */
+#define MAC_CSR5 0x040a
+#define MAC_CSR5_BYTE0 FIELD16(0x00ff)
+#define MAC_CSR5_BYTE1 FIELD16(0xff00)
+
+/*
+ * MAC_CSR6: BSSID register 1.
+ */
+#define MAC_CSR6 0x040c
+#define MAC_CSR6_BYTE2 FIELD16(0x00ff)
+#define MAC_CSR6_BYTE3 FIELD16(0xff00)
+
+/*
+ * MAC_CSR7: BSSID register 2.
+ */
+#define MAC_CSR7 0x040e
+#define MAC_CSR7_BYTE4 FIELD16(0x00ff)
+#define MAC_CSR7_BYTE5 FIELD16(0xff00)
+
+/*
+ * MAC_CSR8: Max frame length.
+ */
+#define MAC_CSR8 0x0410
+#define MAC_CSR8_MAX_FRAME_UNIT FIELD16(0x0fff)
+
+/*
+ * Misc MAC_CSR registers.
+ * MAC_CSR9: Timer control.
+ * MAC_CSR10: Slot time.
+ * MAC_CSR11: IFS.
+ * MAC_CSR12: EIFS.
+ * MAC_CSR13: Power mode0.
+ * MAC_CSR14: Power mode1.
+ * MAC_CSR15: Power saving transition0
+ * MAC_CSR16: Power saving transition1
+ */
+#define MAC_CSR9 0x0412
+#define MAC_CSR10 0x0414
+#define MAC_CSR11 0x0416
+#define MAC_CSR12 0x0418
+#define MAC_CSR13 0x041a
+#define MAC_CSR14 0x041c
+#define MAC_CSR15 0x041e
+#define MAC_CSR16 0x0420
+
+/*
+ * MAC_CSR17: Manual power control / status register.
+ * Allowed state: 0 deep_sleep, 1: sleep, 2: standby, 3: awake.
+ * SET_STATE: Set state. Write 1 to trigger, self cleared.
+ * BBP_DESIRE_STATE: BBP desired state.
+ * RF_DESIRE_STATE: RF desired state.
+ * BBP_CURRENT_STATE: BBP current state.
+ * RF_CURRENT_STATE: RF current state.
+ * PUT_TO_SLEEP: Put to sleep. Write 1 to trigger, self cleared.
+ */
+#define MAC_CSR17 0x0422
+#define MAC_CSR17_SET_STATE FIELD16(0x0001)
+#define MAC_CSR17_BBP_DESIRE_STATE FIELD16(0x0006)
+#define MAC_CSR17_RF_DESIRE_STATE FIELD16(0x0018)
+#define MAC_CSR17_BBP_CURR_STATE FIELD16(0x0060)
+#define MAC_CSR17_RF_CURR_STATE FIELD16(0x0180)
+#define MAC_CSR17_PUT_TO_SLEEP FIELD16(0x0200)
+
+/*
+ * MAC_CSR18: Wakeup timer register.
+ * DELAY_AFTER_BEACON: Delay after Tbcn expired in units of 1/16 TU.
+ * BEACONS_BEFORE_WAKEUP: Number of beacon before wakeup.
+ * AUTO_WAKE: Enable auto wakeup / sleep mechanism.
+ */
+#define MAC_CSR18 0x0424
+#define MAC_CSR18_DELAY_AFTER_BEACON FIELD16(0x00ff)
+#define MAC_CSR18_BEACONS_BEFORE_WAKEUP FIELD16(0x7f00)
+#define MAC_CSR18_AUTO_WAKE FIELD16(0x8000)
+
+/*
+ * MAC_CSR19: GPIO control register.
+ */
+#define MAC_CSR19 0x0426
+
+/*
+ * MAC_CSR20: LED control register.
+ * ACTIVITY: 0: idle, 1: active.
+ * LINK: 0: linkoff, 1: linkup.
+ * ACTIVITY_POLARITY: 0: active low, 1: active high.
+ */
+#define MAC_CSR20 0x0428
+#define MAC_CSR20_ACTIVITY FIELD16(0x0001)
+#define MAC_CSR20_LINK FIELD16(0x0002)
+#define MAC_CSR20_ACTIVITY_POLARITY FIELD16(0x0004)
+
+/*
+ * MAC_CSR21: LED control register.
+ * ON_PERIOD: On period, default 70ms.
+ * OFF_PERIOD: Off period, default 30ms.
+ */
+#define MAC_CSR21 0x042a
+#define MAC_CSR21_ON_PERIOD FIELD16(0x00ff)
+#define MAC_CSR21_OFF_PERIOD FIELD16(0xff00)
+
+/*
+ * Collision window control register.
+ */
+#define MAC_CSR22 0x042c
+
+/*
+ * Transmit related CSRs.
+ * Some values are set in TU, whereas 1 TU == 1024 us.
+ */
+
+/*
+ * TXRX_CSR0: Security control register.
+ */
+#define TXRX_CSR0 0x0440
+#define TXRX_CSR0_ALGORITHM FIELD16(0x0007)
+#define TXRX_CSR0_IV_OFFSET FIELD16(0x01f8)
+#define TXRX_CSR0_KEY_ID FIELD16(0x1e00)
+
+/*
+ * TXRX_CSR1: TX configuration.
+ * ACK_TIMEOUT: ACK Timeout in unit of 1-us.
+ * TSF_OFFSET: TSF offset in MAC header.
+ * AUTO_SEQUENCE: Let ASIC control frame sequence number.
+ */
+#define TXRX_CSR1 0x0442
+#define TXRX_CSR1_ACK_TIMEOUT FIELD16(0x00ff)
+#define TXRX_CSR1_TSF_OFFSET FIELD16(0x7f00)
+#define TXRX_CSR1_AUTO_SEQUENCE FIELD16(0x8000)
+
+/*
+ * TXRX_CSR2: RX control.
+ * DISABLE_RX: Disable rx engine.
+ * DROP_CRC: Drop crc error.
+ * DROP_PHYSICAL: Drop physical error.
+ * DROP_CONTROL: Drop control frame.
+ * DROP_NOT_TO_ME: Drop not to me unicast frame.
+ * DROP_TODS: Drop frame tods bit is true.
+ * DROP_VERSION_ERROR: Drop version error frame.
+ * DROP_MCAST: Drop multicast frames.
+ * DROP_BCAST: Drop broadcast frames.
+ */
+#define TXRX_CSR2 0x0444
+#define TXRX_CSR2_DISABLE_RX FIELD16(0x0001)
+#define TXRX_CSR2_DROP_CRC FIELD16(0x0002)
+#define TXRX_CSR2_DROP_PHYSICAL FIELD16(0x0004)
+#define TXRX_CSR2_DROP_CONTROL FIELD16(0x0008)
+#define TXRX_CSR2_DROP_NOT_TO_ME FIELD16(0x0010)
+#define TXRX_CSR2_DROP_TODS FIELD16(0x0020)
+#define TXRX_CSR2_DROP_VERSION_ERROR FIELD16(0x0040)
+#define TXRX_CSR2_DROP_MULTICAST FIELD16(0x0200)
+#define TXRX_CSR2_DROP_BROADCAST FIELD16(0x0400)
+
+/*
+ * RX BBP ID registers
+ * TXRX_CSR3: CCK RX BBP ID.
+ * TXRX_CSR4: OFDM RX BBP ID.
+ */
+#define TXRX_CSR3 0x0446
+#define TXRX_CSR4 0x0448
+
+/*
+ * TXRX_CSR5: CCK TX BBP ID0.
+ */
+#define TXRX_CSR5 0x044a
+#define TXRX_CSR5_BBP_ID0 FIELD16(0x007f)
+#define TXRX_CSR5_BBP_ID0_VALID FIELD16(0x0080)
+#define TXRX_CSR5_BBP_ID1 FIELD16(0x7f00)
+#define TXRX_CSR5_BBP_ID1_VALID FIELD16(0x8000)
+
+/*
+ * TXRX_CSR6: CCK TX BBP ID1.
+ */
+#define TXRX_CSR6 0x044c
+#define TXRX_CSR6_BBP_ID0 FIELD16(0x007f)
+#define TXRX_CSR6_BBP_ID0_VALID FIELD16(0x0080)
+#define TXRX_CSR6_BBP_ID1 FIELD16(0x7f00)
+#define TXRX_CSR6_BBP_ID1_VALID FIELD16(0x8000)
+
+/*
+ * TXRX_CSR7: OFDM TX BBP ID0.
+ */
+#define TXRX_CSR7 0x044e
+#define TXRX_CSR7_BBP_ID0 FIELD16(0x007f)
+#define TXRX_CSR7_BBP_ID0_VALID FIELD16(0x0080)
+#define TXRX_CSR7_BBP_ID1 FIELD16(0x7f00)
+#define TXRX_CSR7_BBP_ID1_VALID FIELD16(0x8000)
+
+/*
+ * TXRX_CSR5: OFDM TX BBP ID1.
+ */
+#define TXRX_CSR8 0x0450
+#define TXRX_CSR8_BBP_ID0 FIELD16(0x007f)
+#define TXRX_CSR8_BBP_ID0_VALID FIELD16(0x0080)
+#define TXRX_CSR8_BBP_ID1 FIELD16(0x7f00)
+#define TXRX_CSR8_BBP_ID1_VALID FIELD16(0x8000)
+
+/*
+ * TXRX_CSR9: TX ACK time-out.
+ */
+#define TXRX_CSR9 0x0452
+
+/*
+ * TXRX_CSR10: Auto responder control.
+ */
+#define TXRX_CSR10 0x0454
+#define TXRX_CSR10_AUTORESPOND_PREAMBLE FIELD16(0x0004)
+
+/*
+ * TXRX_CSR11: Auto responder basic rate.
+ */
+#define TXRX_CSR11 0x0456
+
+/*
+ * ACK/CTS time registers.
+ */
+#define TXRX_CSR12 0x0458
+#define TXRX_CSR13 0x045a
+#define TXRX_CSR14 0x045c
+#define TXRX_CSR15 0x045e
+#define TXRX_CSR16 0x0460
+#define TXRX_CSR17 0x0462
+
+/*
+ * TXRX_CSR18: Synchronization control register.
+ */
+#define TXRX_CSR18 0x0464
+#define TXRX_CSR18_OFFSET FIELD16(0x000f)
+#define TXRX_CSR18_INTERVAL FIELD16(0xfff0)
+
+/*
+ * TXRX_CSR19: Synchronization control register.
+ * TSF_COUNT: Enable TSF auto counting.
+ * TSF_SYNC: Tsf sync, 0: disable, 1: infra, 2: ad-hoc/master mode.
+ * TBCN: Enable Tbcn with reload value.
+ * BEACON_GEN: Enable beacon generator.
+ */
+#define TXRX_CSR19 0x0466
+#define TXRX_CSR19_TSF_COUNT FIELD16(0x0001)
+#define TXRX_CSR19_TSF_SYNC FIELD16(0x0006)
+#define TXRX_CSR19_TBCN FIELD16(0x0008)
+#define TXRX_CSR19_BEACON_GEN FIELD16(0x0010)
+
+/*
+ * TXRX_CSR20: Tx BEACON offset time control register.
+ * OFFSET: In units of usec.
+ * BCN_EXPECT_WINDOW: Default: 2^CWmin
+ */
+#define TXRX_CSR20 0x0468
+#define TXRX_CSR20_OFFSET FIELD16(0x1fff)
+#define TXRX_CSR20_BCN_EXPECT_WINDOW FIELD16(0xe000)
+
+/*
+ * TXRX_CSR21
+ */
+#define TXRX_CSR21 0x046a
+
+/*
+ * Encryption related CSRs.
+ *
+ */
+
+/*
+ * SEC_CSR0-SEC_CSR7: Shared key 0, word 0-7
+ */
+#define SEC_CSR0 0x0480
+#define SEC_CSR1 0x0482
+#define SEC_CSR2 0x0484
+#define SEC_CSR3 0x0486
+#define SEC_CSR4 0x0488
+#define SEC_CSR5 0x048a
+#define SEC_CSR6 0x048c
+#define SEC_CSR7 0x048e
+
+/*
+ * SEC_CSR8-SEC_CSR15: Shared key 1, word 0-7
+ */
+#define SEC_CSR8 0x0490
+#define SEC_CSR9 0x0492
+#define SEC_CSR10 0x0494
+#define SEC_CSR11 0x0496
+#define SEC_CSR12 0x0498
+#define SEC_CSR13 0x049a
+#define SEC_CSR14 0x049c
+#define SEC_CSR15 0x049e
+
+/*
+ * SEC_CSR16-SEC_CSR23: Shared key 2, word 0-7
+ */
+#define SEC_CSR16 0x04a0
+#define SEC_CSR17 0x04a2
+#define SEC_CSR18 0X04A4
+#define SEC_CSR19 0x04a6
+#define SEC_CSR20 0x04a8
+#define SEC_CSR21 0x04aa
+#define SEC_CSR22 0x04ac
+#define SEC_CSR23 0x04ae
+
+/*
+ * SEC_CSR24-SEC_CSR31: Shared key 3, word 0-7
+ */
+#define SEC_CSR24 0x04b0
+#define SEC_CSR25 0x04b2
+#define SEC_CSR26 0x04b4
+#define SEC_CSR27 0x04b6
+#define SEC_CSR28 0x04b8
+#define SEC_CSR29 0x04ba
+#define SEC_CSR30 0x04bc
+#define SEC_CSR31 0x04be
+
+/*
+ * PHY control registers.
+ */
+
+/*
+ * PHY_CSR0: RF switching timing control.
+ */
+#define PHY_CSR0 0x04c0
+
+/*
+ * PHY_CSR1: TX PA configuration.
+ */
+#define PHY_CSR1 0x04c2
+
+/*
+ * MAC configuration registers.
+ * PHY_CSR2: TX MAC configuration.
+ * PHY_CSR3: RX MAC configuration.
+ */
+#define PHY_CSR2 0x04c4
+#define PHY_CSR3 0x04c6
+
+/*
+ * PHY_CSR4: Interface configuration.
+ */
+#define PHY_CSR4 0x04c8
+#define PHY_CSR4_LOW_RF_LE FIELD16(0x0001)
+
+/*
+ * BBP pre-TX registers.
+ * PHY_CSR5: BBP pre-TX CCK.
+ */
+#define PHY_CSR5 0x04ca
+#define PHY_CSR5_CCK FIELD16(0x0003)
+#define PHY_CSR5_CCK_FLIP FIELD16(0x0004)
+
+/*
+ * BBP pre-TX registers.
+ * PHY_CSR6: BBP pre-TX OFDM.
+ */
+#define PHY_CSR6 0x04cc
+#define PHY_CSR6_OFDM FIELD16(0x0003)
+#define PHY_CSR6_OFDM_FLIP FIELD16(0x0004)
+
+/*
+ * PHY_CSR7: BBP access register 0.
+ * BBP_DATA: BBP data.
+ * BBP_REG_ID: BBP register ID.
+ * BBP_READ_CONTROL: 0: write, 1: read.
+ */
+#define PHY_CSR7 0x04ce
+#define PHY_CSR7_DATA FIELD16(0x00ff)
+#define PHY_CSR7_REG_ID FIELD16(0x7f00)
+#define PHY_CSR7_READ_CONTROL FIELD16(0x8000)
+
+/*
+ * PHY_CSR8: BBP access register 1.
+ * BBP_BUSY: ASIC is busy execute BBP programming.
+ */
+#define PHY_CSR8 0x04d0
+#define PHY_CSR8_BUSY FIELD16(0x0001)
+
+/*
+ * PHY_CSR9: RF access register.
+ * RF_VALUE: Register value + id to program into rf/if.
+ */
+#define PHY_CSR9 0x04d2
+#define PHY_CSR9_RF_VALUE FIELD16(0xffff)
+
+/*
+ * PHY_CSR10: RF access register.
+ * RF_VALUE: Register value + id to program into rf/if.
+ * RF_NUMBER_OF_BITS: Number of bits used in value (i:20, rfmd:22).
+ * RF_IF_SELECT: Chip to program: 0: rf, 1: if.
+ * RF_PLL_LD: Rf pll_ld status.
+ * RF_BUSY: 1: asic is busy execute rf programming.
+ */
+#define PHY_CSR10 0x04d4
+#define PHY_CSR10_RF_VALUE FIELD16(0x00ff)
+#define PHY_CSR10_RF_NUMBER_OF_BITS FIELD16(0x1f00)
+#define PHY_CSR10_RF_IF_SELECT FIELD16(0x2000)
+#define PHY_CSR10_RF_PLL_LD FIELD16(0x4000)
+#define PHY_CSR10_RF_BUSY FIELD16(0x8000)
+
+/*
+ * STA_CSR0: FCS error count.
+ * FCS_ERROR: FCS error count, cleared when read.
+ */
+#define STA_CSR0 0x04e0
+#define STA_CSR0_FCS_ERROR FIELD16(0xffff)
+
+/*
+ * STA_CSR1: PLCP error count.
+ */
+#define STA_CSR1 0x04e2
+
+/*
+ * STA_CSR2: LONG error count.
+ */
+#define STA_CSR2 0x04e4
+
+/*
+ * STA_CSR3: CCA false alarm.
+ * FALSE_CCA_ERROR: False CCA error count, cleared when read.
+ */
+#define STA_CSR3 0x04e6
+#define STA_CSR3_FALSE_CCA_ERROR FIELD16(0xffff)
+
+/*
+ * STA_CSR4: RX FIFO overflow.
+ */
+#define STA_CSR4 0x04e8
+
+/*
+ * STA_CSR5: Beacon sent counter.
+ */
+#define STA_CSR5 0x04ea
+
+/*
+ * Statistics registers
+ */
+#define STA_CSR6 0x04ec
+#define STA_CSR7 0x04ee
+#define STA_CSR8 0x04f0
+#define STA_CSR9 0x04f2
+#define STA_CSR10 0x04f4
+
+/*
+ * BBP registers.
+ * The wordsize of the BBP is 8 bits.
+ */
+
+/*
+ * R2: TX antenna control
+ */
+#define BBP_R2_TX_ANTENNA FIELD8(0x03)
+#define BBP_R2_TX_IQ_FLIP FIELD8(0x04)
+
+/*
+ * R14: RX antenna control
+ */
+#define BBP_R14_RX_ANTENNA FIELD8(0x03)
+#define BBP_R14_RX_IQ_FLIP FIELD8(0x04)
+
+/*
+ * RF registers.
+ */
+
+/*
+ * RF 1
+ */
+#define RF1_TUNER FIELD32(0x00020000)
+
+/*
+ * RF 3
+ */
+#define RF3_TUNER FIELD32(0x00000100)
+#define RF3_TXPOWER FIELD32(0x00003e00)
+
+/*
+ * EEPROM contents.
+ */
+
+/*
+ * HW MAC address.
+ */
+#define EEPROM_MAC_ADDR_0 0x0002
+#define EEPROM_MAC_ADDR_BYTE0 FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE1 FIELD16(0xff00)
+#define EEPROM_MAC_ADDR1 0x0003
+#define EEPROM_MAC_ADDR_BYTE2 FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE3 FIELD16(0xff00)
+#define EEPROM_MAC_ADDR_2 0x0004
+#define EEPROM_MAC_ADDR_BYTE4 FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE5 FIELD16(0xff00)
+
+/*
+ * EEPROM antenna.
+ * ANTENNA_NUM: Number of antenna's.
+ * TX_DEFAULT: Default antenna 0: diversity, 1: A, 2: B.
+ * RX_DEFAULT: Default antenna 0: diversity, 1: A, 2: B.
+ * LED_MODE: 0: default, 1: TX/RX activity, 2: Single (ignore link), 3: rsvd.
+ * DYN_TXAGC: Dynamic TX AGC control.
+ * HARDWARE_RADIO: 1: Hardware controlled radio. Read GPIO0.
+ * RF_TYPE: Rf_type of this adapter.
+ */
+#define EEPROM_ANTENNA 0x000b
+#define EEPROM_ANTENNA_NUM FIELD16(0x0003)
+#define EEPROM_ANTENNA_TX_DEFAULT FIELD16(0x000c)
+#define EEPROM_ANTENNA_RX_DEFAULT FIELD16(0x0030)
+#define EEPROM_ANTENNA_LED_MODE FIELD16(0x01c0)
+#define EEPROM_ANTENNA_DYN_TXAGC FIELD16(0x0200)
+#define EEPROM_ANTENNA_HARDWARE_RADIO FIELD16(0x0400)
+#define EEPROM_ANTENNA_RF_TYPE FIELD16(0xf800)
+
+/*
+ * EEPROM NIC config.
+ * CARDBUS_ACCEL: 0: enable, 1: disable.
+ * DYN_BBP_TUNE: 0: enable, 1: disable.
+ * CCK_TX_POWER: CCK TX power compensation.
+ */
+#define EEPROM_NIC 0x000c
+#define EEPROM_NIC_CARDBUS_ACCEL FIELD16(0x0001)
+#define EEPROM_NIC_DYN_BBP_TUNE FIELD16(0x0002)
+#define EEPROM_NIC_CCK_TX_POWER FIELD16(0x000c)
+
+/*
+ * EEPROM geography.
+ * GEO: Default geography setting for device.
+ */
+#define EEPROM_GEOGRAPHY 0x000d
+#define EEPROM_GEOGRAPHY_GEO FIELD16(0x0f00)
+
+/*
+ * EEPROM BBP.
+ */
+#define EEPROM_BBP_START 0x000e
+#define EEPROM_BBP_SIZE 16
+#define EEPROM_BBP_VALUE FIELD16(0x00ff)
+#define EEPROM_BBP_REG_ID FIELD16(0xff00)
+
+/*
+ * EEPROM TXPOWER
+ */
+#define EEPROM_TXPOWER_START 0x001e
+#define EEPROM_TXPOWER_SIZE 7
+#define EEPROM_TXPOWER_1 FIELD16(0x00ff)
+#define EEPROM_TXPOWER_2 FIELD16(0xff00)
+
+/*
+ * EEPROM Tuning threshold
+ */
+#define EEPROM_BBPTUNE 0x0030
+#define EEPROM_BBPTUNE_THRESHOLD FIELD16(0x00ff)
+
+/*
+ * EEPROM BBP R24 Tuning.
+ */
+#define EEPROM_BBPTUNE_R24 0x0031
+#define EEPROM_BBPTUNE_R24_LOW FIELD16(0x00ff)
+#define EEPROM_BBPTUNE_R24_HIGH FIELD16(0xff00)
+
+/*
+ * EEPROM BBP R25 Tuning.
+ */
+#define EEPROM_BBPTUNE_R25 0x0032
+#define EEPROM_BBPTUNE_R25_LOW FIELD16(0x00ff)
+#define EEPROM_BBPTUNE_R25_HIGH FIELD16(0xff00)
+
+/*
+ * EEPROM BBP R24 Tuning.
+ */
+#define EEPROM_BBPTUNE_R61 0x0033
+#define EEPROM_BBPTUNE_R61_LOW FIELD16(0x00ff)
+#define EEPROM_BBPTUNE_R61_HIGH FIELD16(0xff00)
+
+/*
+ * EEPROM BBP VGC Tuning.
+ */
+#define EEPROM_BBPTUNE_VGC 0x0034
+#define EEPROM_BBPTUNE_VGCUPPER FIELD16(0x00ff)
+
+/*
+ * EEPROM BBP R17 Tuning.
+ */
+#define EEPROM_BBPTUNE_R17 0x0035
+#define EEPROM_BBPTUNE_R17_LOW FIELD16(0x00ff)
+#define EEPROM_BBPTUNE_R17_HIGH FIELD16(0xff00)
+
+/*
+ * RSSI <-> dBm offset calibration
+ */
+#define EEPROM_CALIBRATE_OFFSET 0x0036
+#define EEPROM_CALIBRATE_OFFSET_RSSI FIELD16(0x00ff)
+
+/*
+ * DMA descriptor defines.
+ */
+#define TXD_DESC_SIZE ( 5 * sizeof(struct data_desc) )
+#define RXD_DESC_SIZE ( 4 * sizeof(struct data_desc) )
+
+/*
+ * TX descriptor format for TX, PRIO, ATIM and Beacon Ring.
+ */
+
+/*
+ * Word0
+ */
+#define TXD_W0_PACKET_ID FIELD32(0x0000000f)
+#define TXD_W0_RETRY_LIMIT FIELD32(0x000000f0)
+#define TXD_W0_MORE_FRAG FIELD32(0x00000100)
+#define TXD_W0_ACK FIELD32(0x00000200)
+#define TXD_W0_TIMESTAMP FIELD32(0x00000400)
+#define TXD_W0_OFDM FIELD32(0x00000800)
+#define TXD_W0_NEW_SEQ FIELD32(0x00001000)
+#define TXD_W0_IFS FIELD32(0x00006000)
+#define TXD_W0_DATABYTE_COUNT FIELD32(0x0fff0000)
+#define TXD_W0_CIPHER FIELD32(0x20000000)
+#define TXD_W0_KEY_ID FIELD32(0xc0000000)
+
+/*
+ * Word1
+ */
+#define TXD_W1_IV_OFFSET FIELD32(0x0000003f)
+#define TXD_W1_AIFS FIELD32(0x000000c0)
+#define TXD_W1_CWMIN FIELD32(0x00000f00)
+#define TXD_W1_CWMAX FIELD32(0x0000f000)
+
+/*
+ * Word2: PLCP information
+ */
+#define TXD_W2_PLCP_SIGNAL FIELD32(0x000000ff)
+#define TXD_W2_PLCP_SERVICE FIELD32(0x0000ff00)
+#define TXD_W2_PLCP_LENGTH_LOW FIELD32(0x00ff0000)
+#define TXD_W2_PLCP_LENGTH_HIGH FIELD32(0xff000000)
+
+/*
+ * Word3
+ */
+#define TXD_W3_IV FIELD32(0xffffffff)
+
+/*
+ * Word4
+ */
+#define TXD_W4_EIV FIELD32(0xffffffff)
+
+/*
+ * RX descriptor format for RX Ring.
+ */
+
+/*
+ * Word0
+ */
+#define RXD_W0_UNICAST_TO_ME FIELD32(0x00000002)
+#define RXD_W0_MULTICAST FIELD32(0x00000004)
+#define RXD_W0_BROADCAST FIELD32(0x00000008)
+#define RXD_W0_MY_BSS FIELD32(0x00000010)
+#define RXD_W0_CRC_ERROR FIELD32(0x00000020)
+#define RXD_W0_OFDM FIELD32(0x00000040)
+#define RXD_W0_PHYSICAL_ERROR FIELD32(0x00000080)
+#define RXD_W0_CIPHER FIELD32(0x00000100)
+#define RXD_W0_CIPHER_ERROR FIELD32(0x00000200)
+#define RXD_W0_DATABYTE_COUNT FIELD32(0x0fff0000)
+
+/*
+ * Word1
+ */
+#define RXD_W1_RSSI FIELD32(0x000000ff)
+#define RXD_W1_SIGNAL FIELD32(0x0000ff00)
+
+/*
+ * Word2
+ */
+#define RXD_W2_IV FIELD32(0xffffffff)
+
+/*
+ * Word3
+ */
+#define RXD_W3_EIV FIELD32(0xffffffff)
+
+/*
+ * Macro's for converting txpower from EEPROM to dscape value
+ * and from dscape value to register value.
+ */
+#define MIN_TXPOWER 0
+#define MAX_TXPOWER 31
+#define DEFAULT_TXPOWER 24
+
+#define TXPOWER_FROM_DEV(__txpower) \
+({ \
+ ((__txpower) > MAX_TXPOWER) ? \
+ DEFAULT_TXPOWER : (__txpower); \
+})
+
+#define TXPOWER_TO_DEV(__txpower) \
+({ \
+ ((__txpower) <= MIN_TXPOWER) ? MIN_TXPOWER : \
+ (((__txpower) >= MAX_TXPOWER) ? MAX_TXPOWER : \
+ (__txpower)); \
+})
+
+#endif /* RT2500USB_H */
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
new file mode 100644
index 00000000000..80b079d723d
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -0,0 +1,807 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2x00
+ Abstract: rt2x00 global information.
+ */
+
+#ifndef RT2X00_H
+#define RT2X00_H
+
+#include <linux/bitops.h>
+#include <linux/prefetch.h>
+#include <linux/skbuff.h>
+#include <linux/workqueue.h>
+#include <linux/firmware.h>
+
+#include <net/mac80211.h>
+
+#include "rt2x00debug.h"
+#include "rt2x00reg.h"
+#include "rt2x00ring.h"
+
+/*
+ * Module information.
+ * DRV_NAME should be set within the individual module source files.
+ */
+#define DRV_VERSION "2.0.8"
+#define DRV_PROJECT "http://rt2x00.serialmonkey.com"
+
+/*
+ * Debug definitions.
+ * Debug output has to be enabled during compile time.
+ */
+#define DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, __args...) \
+ printk(__kernlvl "%s -> %s: %s - " __msg, \
+ wiphy_name((__dev)->hw->wiphy), __FUNCTION__, __lvl, ##__args)
+
+#define DEBUG_PRINTK_PROBE(__kernlvl, __lvl, __msg, __args...) \
+ printk(__kernlvl "%s -> %s: %s - " __msg, \
+ DRV_NAME, __FUNCTION__, __lvl, ##__args)
+
+#ifdef CONFIG_RT2X00_DEBUG
+#define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \
+ DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, ##__args);
+#else
+#define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \
+ do { } while (0)
+#endif /* CONFIG_RT2X00_DEBUG */
+
+/*
+ * Various debug levels.
+ * The debug levels PANIC and ERROR both indicate serious problems,
+ * for this reason they should never be ignored.
+ * The special ERROR_PROBE message is for messages that are generated
+ * when the rt2x00_dev is not yet initialized.
+ */
+#define PANIC(__dev, __msg, __args...) \
+ DEBUG_PRINTK_MSG(__dev, KERN_CRIT, "Panic", __msg, ##__args)
+#define ERROR(__dev, __msg, __args...) \
+ DEBUG_PRINTK_MSG(__dev, KERN_ERR, "Error", __msg, ##__args)
+#define ERROR_PROBE(__msg, __args...) \
+ DEBUG_PRINTK_PROBE(KERN_ERR, "Error", __msg, ##__args)
+#define WARNING(__dev, __msg, __args...) \
+ DEBUG_PRINTK(__dev, KERN_WARNING, "Warning", __msg, ##__args)
+#define NOTICE(__dev, __msg, __args...) \
+ DEBUG_PRINTK(__dev, KERN_NOTICE, "Notice", __msg, ##__args)
+#define INFO(__dev, __msg, __args...) \
+ DEBUG_PRINTK(__dev, KERN_INFO, "Info", __msg, ##__args)
+#define DEBUG(__dev, __msg, __args...) \
+ DEBUG_PRINTK(__dev, KERN_DEBUG, "Debug", __msg, ##__args)
+#define EEPROM(__dev, __msg, __args...) \
+ DEBUG_PRINTK(__dev, KERN_DEBUG, "EEPROM recovery", __msg, ##__args)
+
+/*
+ * Ring sizes.
+ * Ralink PCI devices demand the Frame size to be a multiple of 128 bytes.
+ * DATA_FRAME_SIZE is used for TX, RX, ATIM and PRIO rings.
+ * MGMT_FRAME_SIZE is used for the BEACON ring.
+ */
+#define DATA_FRAME_SIZE 2432
+#define MGMT_FRAME_SIZE 256
+
+/*
+ * Number of entries in a packet ring.
+ * PCI devices only need 1 Beacon entry,
+ * but USB devices require a second because they
+ * have to send a Guardian byte first.
+ */
+#define RX_ENTRIES 12
+#define TX_ENTRIES 12
+#define ATIM_ENTRIES 1
+#define BEACON_ENTRIES 2
+
+/*
+ * Standard timing and size defines.
+ * These values should follow the ieee80211 specifications.
+ */
+#define ACK_SIZE 14
+#define IEEE80211_HEADER 24
+#define PLCP 48
+#define BEACON 100
+#define PREAMBLE 144
+#define SHORT_PREAMBLE 72
+#define SLOT_TIME 20
+#define SHORT_SLOT_TIME 9
+#define SIFS 10
+#define PIFS ( SIFS + SLOT_TIME )
+#define SHORT_PIFS ( SIFS + SHORT_SLOT_TIME )
+#define DIFS ( PIFS + SLOT_TIME )
+#define SHORT_DIFS ( SHORT_PIFS + SHORT_SLOT_TIME )
+#define EIFS ( SIFS + (8 * (IEEE80211_HEADER + ACK_SIZE)) )
+
+/*
+ * IEEE802.11 header defines
+ */
+static inline int is_rts_frame(u16 fc)
+{
+ return !!(((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL) &&
+ ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_RTS));
+}
+
+static inline int is_cts_frame(u16 fc)
+{
+ return !!(((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL) &&
+ ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_CTS));
+}
+
+static inline int is_probe_resp(u16 fc)
+{
+ return !!(((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) &&
+ ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_RESP));
+}
+
+/*
+ * Chipset identification
+ * The chipset on the device is composed of a RT and RF chip.
+ * The chipset combination is important for determining device capabilities.
+ */
+struct rt2x00_chip {
+ u16 rt;
+#define RT2460 0x0101
+#define RT2560 0x0201
+#define RT2570 0x1201
+#define RT2561 0x0301
+#define RT2561s 0x0302
+#define RT2661 0x0401
+#define RT2571 0x1300
+
+ u16 rf;
+ u32 rev;
+};
+
+/*
+ * RF register values that belong to a particular channel.
+ */
+struct rf_channel {
+ int channel;
+ u32 rf1;
+ u32 rf2;
+ u32 rf3;
+ u32 rf4;
+};
+
+/*
+ * To optimize the quality of the link we need to store
+ * the quality of received frames and periodically
+ * optimize the link.
+ */
+struct link {
+ /*
+ * Link tuner counter
+ * The number of times the link has been tuned
+ * since the radio has been switched on.
+ */
+ u32 count;
+
+ /*
+ * Statistics required for Link tuning.
+ * For the average RSSI value we use the "Walking average" approach.
+ * When adding RSSI to the average value the following calculation
+ * is needed:
+ *
+ * avg_rssi = ((avg_rssi * 7) + rssi) / 8;
+ *
+ * The advantage of this approach is that we only need 1 variable
+ * to store the average in (No need for a count and a total).
+ * But more importantly, normal average values will over time
+ * move less and less towards newly added values this results
+ * that with link tuning, the device can have a very good RSSI
+ * for a few minutes but when the device is moved away from the AP
+ * the average will not decrease fast enough to compensate.
+ * The walking average compensates this and will move towards
+ * the new values correctly allowing a effective link tuning.
+ */
+ int avg_rssi;
+ int vgc_level;
+ int false_cca;
+
+ /*
+ * Statistics required for Signal quality calculation.
+ * For calculating the Signal quality we have to determine
+ * the total number of success and failed RX and TX frames.
+ * After that we also use the average RSSI value to help
+ * determining the signal quality.
+ * For the calculation we will use the following algorithm:
+ *
+ * rssi_percentage = (avg_rssi * 100) / rssi_offset
+ * rx_percentage = (rx_success * 100) / rx_total
+ * tx_percentage = (tx_success * 100) / tx_total
+ * avg_signal = ((WEIGHT_RSSI * avg_rssi) +
+ * (WEIGHT_TX * tx_percentage) +
+ * (WEIGHT_RX * rx_percentage)) / 100
+ *
+ * This value should then be checked to not be greated then 100.
+ */
+ int rx_percentage;
+ int rx_success;
+ int rx_failed;
+ int tx_percentage;
+ int tx_success;
+ int tx_failed;
+#define WEIGHT_RSSI 20
+#define WEIGHT_RX 40
+#define WEIGHT_TX 40
+
+ /*
+ * Work structure for scheduling periodic link tuning.
+ */
+ struct delayed_work work;
+};
+
+/*
+ * Clear all counters inside the link structure.
+ * This can be easiest achieved by memsetting everything
+ * except for the work structure at the end.
+ */
+static inline void rt2x00_clear_link(struct link *link)
+{
+ memset(link, 0x00, sizeof(*link) - sizeof(link->work));
+ link->rx_percentage = 50;
+ link->tx_percentage = 50;
+}
+
+/*
+ * Update the rssi using the walking average approach.
+ */
+static inline void rt2x00_update_link_rssi(struct link *link, int rssi)
+{
+ if (!link->avg_rssi)
+ link->avg_rssi = rssi;
+ else
+ link->avg_rssi = ((link->avg_rssi * 7) + rssi) / 8;
+}
+
+/*
+ * When the avg_rssi is unset or no frames have been received),
+ * we need to return the default value which needs to be less
+ * than -80 so the device will select the maximum sensitivity.
+ */
+static inline int rt2x00_get_link_rssi(struct link *link)
+{
+ return (link->avg_rssi && link->rx_success) ? link->avg_rssi : -128;
+}
+
+/*
+ * Interface structure
+ * Configuration details about the current interface.
+ */
+struct interface {
+ /*
+ * Interface identification. The value is assigned
+ * to us by the 80211 stack, and is used to request
+ * new beacons.
+ */
+ int id;
+
+ /*
+ * Current working type (IEEE80211_IF_TYPE_*).
+ * This excludes the type IEEE80211_IF_TYPE_MNTR
+ * since that is counted seperately in the monitor_count
+ * field.
+ * When set to INVALID_INTERFACE, no interface is configured.
+ */
+ int type;
+#define INVALID_INTERFACE IEEE80211_IF_TYPE_MGMT
+
+ /*
+ * MAC of the device.
+ */
+ u8 mac[ETH_ALEN];
+
+ /*
+ * BBSID of the AP to associate with.
+ */
+ u8 bssid[ETH_ALEN];
+
+ /*
+ * Store the packet filter mode for the current interface.
+ * monitor mode always disabled filtering. But in such
+ * cases we still need to store the value here in case
+ * the monitor mode interfaces are removed, while a
+ * non-monitor mode interface remains.
+ */
+ unsigned short filter;
+
+ /*
+ * Monitor mode count, the number of interfaces
+ * in monitor mode that that have been added.
+ */
+ unsigned short monitor_count;
+};
+
+static inline int is_interface_present(struct interface *intf)
+{
+ return !!intf->id;
+}
+
+static inline int is_monitor_present(struct interface *intf)
+{
+ return !!intf->monitor_count;
+}
+
+/*
+ * Details about the supported modes, rates and channels
+ * of a particular chipset. This is used by rt2x00lib
+ * to build the ieee80211_hw_mode array for mac80211.
+ */
+struct hw_mode_spec {
+ /*
+ * Number of modes, rates and channels.
+ */
+ int num_modes;
+ int num_rates;
+ int num_channels;
+
+ /*
+ * txpower values.
+ */
+ const u8 *tx_power_a;
+ const u8 *tx_power_bg;
+ u8 tx_power_default;
+
+ /*
+ * Device/chipset specific value.
+ */
+ const struct rf_channel *channels;
+};
+
+/*
+ * rt2x00lib callback functions.
+ */
+struct rt2x00lib_ops {
+ /*
+ * Interrupt handlers.
+ */
+ irq_handler_t irq_handler;
+
+ /*
+ * Device init handlers.
+ */
+ int (*probe_hw) (struct rt2x00_dev *rt2x00dev);
+ char *(*get_firmware_name) (struct rt2x00_dev *rt2x00dev);
+ int (*load_firmware) (struct rt2x00_dev *rt2x00dev, void *data,
+ const size_t len);
+
+ /*
+ * Device initialization/deinitialization handlers.
+ */
+ int (*initialize) (struct rt2x00_dev *rt2x00dev);
+ void (*uninitialize) (struct rt2x00_dev *rt2x00dev);
+
+ /*
+ * Radio control handlers.
+ */
+ int (*set_device_state) (struct rt2x00_dev *rt2x00dev,
+ enum dev_state state);
+ int (*rfkill_poll) (struct rt2x00_dev *rt2x00dev);
+ void (*link_stats) (struct rt2x00_dev *rt2x00dev);
+ void (*reset_tuner) (struct rt2x00_dev *rt2x00dev);
+ void (*link_tuner) (struct rt2x00_dev *rt2x00dev);
+
+ /*
+ * TX control handlers
+ */
+ void (*write_tx_desc) (struct rt2x00_dev *rt2x00dev,
+ struct data_desc *txd,
+ struct data_entry_desc *desc,
+ struct ieee80211_hdr *ieee80211hdr,
+ unsigned int length,
+ struct ieee80211_tx_control *control);
+ int (*write_tx_data) (struct rt2x00_dev *rt2x00dev,
+ struct data_ring *ring, struct sk_buff *skb,
+ struct ieee80211_tx_control *control);
+ void (*kick_tx_queue) (struct rt2x00_dev *rt2x00dev,
+ unsigned int queue);
+
+ /*
+ * RX control handlers
+ */
+ int (*fill_rxdone) (struct data_entry *entry,
+ int *signal, int *rssi, int *ofdm, int *size);
+
+ /*
+ * Configuration handlers.
+ */
+ void (*config_mac_addr) (struct rt2x00_dev *rt2x00dev, u8 *mac);
+ void (*config_bssid) (struct rt2x00_dev *rt2x00dev, u8 *bssid);
+ void (*config_packet_filter) (struct rt2x00_dev *rt2x00dev,
+ const unsigned int filter);
+ void (*config_type) (struct rt2x00_dev *rt2x00dev, const int type);
+ void (*config) (struct rt2x00_dev *rt2x00dev, const unsigned int flags,
+ struct ieee80211_conf *conf);
+#define CONFIG_UPDATE_PHYMODE ( 1 << 1 )
+#define CONFIG_UPDATE_CHANNEL ( 1 << 2 )
+#define CONFIG_UPDATE_TXPOWER ( 1 << 3 )
+#define CONFIG_UPDATE_ANTENNA ( 1 << 4 )
+#define CONFIG_UPDATE_SLOT_TIME ( 1 << 5 )
+#define CONFIG_UPDATE_BEACON_INT ( 1 << 6 )
+#define CONFIG_UPDATE_ALL 0xffff
+};
+
+/*
+ * rt2x00 driver callback operation structure.
+ */
+struct rt2x00_ops {
+ const char *name;
+ const unsigned int rxd_size;
+ const unsigned int txd_size;
+ const unsigned int eeprom_size;
+ const unsigned int rf_size;
+ const struct rt2x00lib_ops *lib;
+ const struct ieee80211_ops *hw;
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+ const struct rt2x00debug *debugfs;
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+};
+
+/*
+ * rt2x00 device structure.
+ */
+struct rt2x00_dev {
+ /*
+ * Device structure.
+ * The structure stored in here depends on the
+ * system bus (PCI or USB).
+ * When accessing this variable, the rt2x00dev_{pci,usb}
+ * macro's should be used for correct typecasting.
+ */
+ void *dev;
+#define rt2x00dev_pci(__dev) ( (struct pci_dev*)(__dev)->dev )
+#define rt2x00dev_usb(__dev) ( (struct usb_interface*)(__dev)->dev )
+
+ /*
+ * Callback functions.
+ */
+ const struct rt2x00_ops *ops;
+
+ /*
+ * IEEE80211 control structure.
+ */
+ struct ieee80211_hw *hw;
+ struct ieee80211_hw_mode *hwmodes;
+ unsigned int curr_hwmode;
+#define HWMODE_B 0
+#define HWMODE_G 1
+#define HWMODE_A 2
+
+ /*
+ * rfkill structure for RF state switching support.
+ * This will only be compiled in when required.
+ */
+#ifdef CONFIG_RT2X00_LIB_RFKILL
+ struct rfkill *rfkill;
+ struct input_polled_dev *poll_dev;
+#endif /* CONFIG_RT2X00_LIB_RFKILL */
+
+ /*
+ * If enabled, the debugfs interface structures
+ * required for deregistration of debugfs.
+ */
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+ const struct rt2x00debug_intf *debugfs_intf;
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+
+ /*
+ * Device flags.
+ * In these flags the current status and some
+ * of the device capabilities are stored.
+ */
+ unsigned long flags;
+#define DEVICE_ENABLED_RADIO 1
+#define DEVICE_ENABLED_RADIO_HW 2
+#define DEVICE_INITIALIZED 3
+#define DEVICE_INITIALIZED_HW 4
+#define REQUIRE_FIRMWARE 5
+#define PACKET_FILTER_SCHEDULED 6
+#define PACKET_FILTER_PENDING 7
+#define INTERFACE_RESUME 8
+#define INTERFACE_ENABLED 9
+#define INTERFACE_ENABLED_MONITOR 10
+#define REQUIRE_BEACON_RING 11
+#define DEVICE_SUPPORT_HW_BUTTON 12
+#define CONFIG_FRAME_TYPE 13
+#define CONFIG_RF_SEQUENCE 14
+/* Hole: Add new Flag here */
+#define CONFIG_EXTERNAL_LNA_A 16
+#define CONFIG_EXTERNAL_LNA_BG 17
+#define CONFIG_DOUBLE_ANTENNA 18
+#define CONFIG_DISABLE_LINK_TUNING 19
+
+ /*
+ * Chipset identification.
+ */
+ struct rt2x00_chip chip;
+
+ /*
+ * hw capability specifications.
+ */
+ struct hw_mode_spec spec;
+
+ /*
+ * Register pointers
+ * csr_addr: Base register address. (PCI)
+ * csr_cache: CSR cache for usb_control_msg. (USB)
+ */
+ void __iomem *csr_addr;
+ void *csr_cache;
+
+ /*
+ * Interface configuration.
+ */
+ struct interface interface;
+
+ /*
+ * Link quality
+ */
+ struct link link;
+
+ /*
+ * EEPROM data.
+ */
+ __le16 *eeprom;
+
+ /*
+ * Active RF register values.
+ * These are stored here so we don't need
+ * to read the rf registers and can directly
+ * use this value instead.
+ * This field should be accessed by using
+ * rt2x00_rf_read() and rt2x00_rf_write().
+ */
+ u32 *rf;
+
+ /*
+ * Current TX power value.
+ */
+ u16 tx_power;
+
+ /*
+ * LED register (for rt61pci & rt73usb).
+ */
+ u16 led_reg;
+
+ /*
+ * Led mode (LED_MODE_*)
+ */
+ u8 led_mode;
+
+ /*
+ * Rssi <-> Dbm offset
+ */
+ u8 rssi_offset;
+
+ /*
+ * Frequency offset (for rt61pci & rt73usb).
+ */
+ u8 freq_offset;
+
+ /*
+ * Low level statistics which will have
+ * to be kept up to date while device is running.
+ */
+ struct ieee80211_low_level_stats low_level_stats;
+
+ /*
+ * RX configuration information.
+ */
+ struct ieee80211_rx_status rx_status;
+
+ /*
+ * Beacon scheduled work.
+ */
+ struct work_struct beacon_work;
+
+ /*
+ * Data ring arrays for RX, TX and Beacon.
+ * The Beacon array also contains the Atim ring
+ * if that is supported by the device.
+ */
+ int data_rings;
+ struct data_ring *rx;
+ struct data_ring *tx;
+ struct data_ring *bcn;
+
+ /*
+ * Firmware image.
+ */
+ const struct firmware *fw;
+};
+
+/*
+ * For-each loop for the ring array.
+ * All rings have been allocated as a single array,
+ * this means we can create a very simply loop macro
+ * that is capable of looping through all rings.
+ * ring_end(), txring_end() and ring_loop() are helper macro's which
+ * should not be used directly. Instead the following should be used:
+ * ring_for_each() - Loops through all rings (RX, TX, Beacon & Atim)
+ * txring_for_each() - Loops through TX data rings (TX only)
+ * txringall_for_each() - Loops through all TX rings (TX, Beacon & Atim)
+ */
+#define ring_end(__dev) \
+ &(__dev)->rx[(__dev)->data_rings]
+
+#define txring_end(__dev) \
+ &(__dev)->tx[(__dev)->hw->queues]
+
+#define ring_loop(__entry, __start, __end) \
+ for ((__entry) = (__start); \
+ prefetch(&(__entry)[1]), (__entry) != (__end); \
+ (__entry) = &(__entry)[1])
+
+#define ring_for_each(__dev, __entry) \
+ ring_loop(__entry, (__dev)->rx, ring_end(__dev))
+
+#define txring_for_each(__dev, __entry) \
+ ring_loop(__entry, (__dev)->tx, txring_end(__dev))
+
+#define txringall_for_each(__dev, __entry) \
+ ring_loop(__entry, (__dev)->tx, ring_end(__dev))
+
+/*
+ * Generic RF access.
+ * The RF is being accessed by word index.
+ */
+static inline void rt2x00_rf_read(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u32 *data)
+{
+ *data = rt2x00dev->rf[word];
+}
+
+static inline void rt2x00_rf_write(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u32 data)
+{
+ rt2x00dev->rf[word] = data;
+}
+
+/*
+ * Generic EEPROM access.
+ * The EEPROM is being accessed by word index.
+ */
+static inline void *rt2x00_eeprom_addr(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word)
+{
+ return (void *)&rt2x00dev->eeprom[word];
+}
+
+static inline void rt2x00_eeprom_read(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u16 *data)
+{
+ *data = le16_to_cpu(rt2x00dev->eeprom[word]);
+}
+
+static inline void rt2x00_eeprom_write(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u16 data)
+{
+ rt2x00dev->eeprom[word] = cpu_to_le16(data);
+}
+
+/*
+ * Chipset handlers
+ */
+static inline void rt2x00_set_chip(struct rt2x00_dev *rt2x00dev,
+ const u16 rt, const u16 rf, const u32 rev)
+{
+ INFO(rt2x00dev,
+ "Chipset detected - rt: %04x, rf: %04x, rev: %08x.\n",
+ rt, rf, rev);
+
+ rt2x00dev->chip.rt = rt;
+ rt2x00dev->chip.rf = rf;
+ rt2x00dev->chip.rev = rev;
+}
+
+static inline char rt2x00_rt(const struct rt2x00_chip *chipset, const u16 chip)
+{
+ return (chipset->rt == chip);
+}
+
+static inline char rt2x00_rf(const struct rt2x00_chip *chipset, const u16 chip)
+{
+ return (chipset->rf == chip);
+}
+
+static inline u16 rt2x00_get_rev(const struct rt2x00_chip *chipset)
+{
+ return chipset->rev;
+}
+
+static inline u16 rt2x00_rev(const struct rt2x00_chip *chipset, const u32 mask)
+{
+ return chipset->rev & mask;
+}
+
+/*
+ * Duration calculations
+ * The rate variable passed is: 100kbs.
+ * To convert from bytes to bits we multiply size with 8,
+ * then the size is multiplied with 10 to make the
+ * real rate -> rate argument correction.
+ */
+static inline u16 get_duration(const unsigned int size, const u8 rate)
+{
+ return ((size * 8 * 10) / rate);
+}
+
+static inline u16 get_duration_res(const unsigned int size, const u8 rate)
+{
+ return ((size * 8 * 10) % rate);
+}
+
+/*
+ * Library functions.
+ */
+struct data_ring *rt2x00lib_get_ring(struct rt2x00_dev *rt2x00dev,
+ const unsigned int queue);
+
+/*
+ * Interrupt context handlers.
+ */
+void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev);
+void rt2x00lib_txdone(struct data_entry *entry,
+ const int status, const int retry);
+void rt2x00lib_rxdone(struct data_entry *entry, struct sk_buff *skb,
+ const int signal, const int rssi, const int ofdm);
+
+/*
+ * TX descriptor initializer
+ */
+void rt2x00lib_write_tx_desc(struct rt2x00_dev *rt2x00dev,
+ struct data_desc *txd,
+ struct ieee80211_hdr *ieee80211hdr,
+ unsigned int length,
+ struct ieee80211_tx_control *control);
+
+/*
+ * mac80211 handlers.
+ */
+int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
+ struct ieee80211_tx_control *control);
+int rt2x00mac_start(struct ieee80211_hw *hw);
+void rt2x00mac_stop(struct ieee80211_hw *hw);
+int rt2x00mac_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf);
+void rt2x00mac_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf);
+int rt2x00mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf);
+int rt2x00mac_config_interface(struct ieee80211_hw *hw, int if_id,
+ struct ieee80211_if_conf *conf);
+void rt2x00mac_set_multicast_list(struct ieee80211_hw *hw,
+ unsigned short flags, int mc_count);
+int rt2x00mac_get_stats(struct ieee80211_hw *hw,
+ struct ieee80211_low_level_stats *stats);
+int rt2x00mac_get_tx_stats(struct ieee80211_hw *hw,
+ struct ieee80211_tx_queue_stats *stats);
+int rt2x00mac_conf_tx(struct ieee80211_hw *hw, int queue,
+ const struct ieee80211_tx_queue_params *params);
+
+/*
+ * Driver allocation handlers.
+ */
+int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev);
+void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev);
+#ifdef CONFIG_PM
+int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state);
+int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev);
+#endif /* CONFIG_PM */
+
+#endif /* RT2X00_H */
diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c
new file mode 100644
index 00000000000..de890a17d8f
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00config.c
@@ -0,0 +1,165 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2x00lib
+ Abstract: rt2x00 generic configuration routines.
+ */
+
+/*
+ * Set enviroment defines for rt2x00.h
+ */
+#define DRV_NAME "rt2x00lib"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include "rt2x00.h"
+#include "rt2x00lib.h"
+
+void rt2x00lib_config_mac_addr(struct rt2x00_dev *rt2x00dev, u8 *mac)
+{
+ if (mac)
+ rt2x00dev->ops->lib->config_mac_addr(rt2x00dev, mac);
+}
+
+void rt2x00lib_config_bssid(struct rt2x00_dev *rt2x00dev, u8 *bssid)
+{
+ if (bssid)
+ rt2x00dev->ops->lib->config_bssid(rt2x00dev, bssid);
+}
+
+void rt2x00lib_config_packet_filter(struct rt2x00_dev *rt2x00dev, int filter)
+{
+ /*
+ * Only configure the device when something has changed,
+ * or if we are in RESUME state in which case all configuration
+ * will be forced upon the device.
+ */
+ if (!test_bit(INTERFACE_RESUME, &rt2x00dev->flags) &&
+ !test_bit(PACKET_FILTER_PENDING, &rt2x00dev->flags))
+ return;
+
+ /*
+ * Write configuration to device and clear the update flag.
+ */
+ rt2x00dev->ops->lib->config_packet_filter(rt2x00dev, filter);
+ __clear_bit(PACKET_FILTER_PENDING, &rt2x00dev->flags);
+}
+
+void rt2x00lib_config_type(struct rt2x00_dev *rt2x00dev, int type)
+{
+ struct interface *intf = &rt2x00dev->interface;
+
+ /*
+ * Fallback when a invalid interface is attempted to
+ * be configured. If a monitor interface is present,
+ * we are going configure that, otherwise exit.
+ */
+ if (type == INVALID_INTERFACE) {
+ if (is_monitor_present(intf))
+ type = IEEE80211_IF_TYPE_MNTR;
+ else
+ return;
+ }
+
+ /*
+ * Only configure the device when something has changed,
+ * or if we are in RESUME state in which case all configuration
+ * will be forced upon the device.
+ */
+ if (!test_bit(INTERFACE_RESUME, &rt2x00dev->flags) &&
+ (!(is_interface_present(intf) ^
+ test_bit(INTERFACE_ENABLED, &rt2x00dev->flags)) &&
+ !(is_monitor_present(intf) ^
+ test_bit(INTERFACE_ENABLED_MONITOR, &rt2x00dev->flags))))
+ return;
+
+ /*
+ * Configure device.
+ */
+ rt2x00dev->ops->lib->config_type(rt2x00dev, type);
+
+ /*
+ * Update the configuration flags.
+ */
+ if (type != IEEE80211_IF_TYPE_MNTR) {
+ if (is_interface_present(intf))
+ __set_bit(INTERFACE_ENABLED, &rt2x00dev->flags);
+ else
+ __clear_bit(INTERFACE_ENABLED, &rt2x00dev->flags);
+ } else {
+ if (is_monitor_present(intf))
+ __set_bit(INTERFACE_ENABLED_MONITOR, &rt2x00dev->flags);
+ else
+ __clear_bit(INTERFACE_ENABLED_MONITOR,
+ &rt2x00dev->flags);
+ }
+}
+
+void rt2x00lib_config(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf)
+{
+ int flags = 0;
+
+ /*
+ * If we are in RESUME state we should
+ * force all configuration options.
+ */
+ if (test_bit(INTERFACE_RESUME, &rt2x00dev->flags)) {
+ flags = CONFIG_UPDATE_ALL;
+ goto config;
+ }
+
+ /*
+ * Check which configuration options have been
+ * updated and should be send to the device.
+ */
+ if (rt2x00dev->rx_status.phymode != conf->phymode)
+ flags |= CONFIG_UPDATE_PHYMODE;
+ if (rt2x00dev->rx_status.channel != conf->channel)
+ flags |= CONFIG_UPDATE_CHANNEL;
+ if (rt2x00dev->tx_power != conf->power_level)
+ flags |= CONFIG_UPDATE_TXPOWER;
+ if (rt2x00dev->rx_status.antenna == conf->antenna_sel_rx)
+ flags |= CONFIG_UPDATE_ANTENNA;
+
+ /*
+ * The following configuration options are never
+ * stored anywhere and will always be updated.
+ */
+ flags |= CONFIG_UPDATE_SLOT_TIME;
+ flags |= CONFIG_UPDATE_BEACON_INT;
+
+config:
+ rt2x00dev->ops->lib->config(rt2x00dev, flags, conf);
+
+ /*
+ * Some configuration changes affect the link quality
+ * which means we need to reset the link tuner.
+ */
+ if (flags & (CONFIG_UPDATE_CHANNEL | CONFIG_UPDATE_ANTENNA))
+ rt2x00lib_reset_link_tuner(rt2x00dev);
+
+ rt2x00dev->rx_status.phymode = conf->phymode;
+ rt2x00dev->rx_status.freq = conf->freq;
+ rt2x00dev->rx_status.channel = conf->channel;
+ rt2x00dev->tx_power = conf->power_level;
+ rt2x00dev->rx_status.antenna = conf->antenna_sel_rx;
+}
diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c
new file mode 100644
index 00000000000..4d2aaecd9df
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00debug.c
@@ -0,0 +1,331 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2x00lib
+ Abstract: rt2x00 debugfs specific routines.
+ */
+
+/*
+ * Set enviroment defines for rt2x00.h
+ */
+#define DRV_NAME "rt2x00lib"
+
+#include <linux/debugfs.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/uaccess.h>
+
+#include "rt2x00.h"
+#include "rt2x00lib.h"
+
+#define PRINT_LINE_LEN_MAX 32
+
+struct rt2x00debug_intf {
+ /*
+ * Pointer to driver structure where
+ * this debugfs entry belongs to.
+ */
+ struct rt2x00_dev *rt2x00dev;
+
+ /*
+ * Reference to the rt2x00debug structure
+ * which can be used to communicate with
+ * the registers.
+ */
+ const struct rt2x00debug *debug;
+
+ /*
+ * Debugfs entries for:
+ * - driver folder
+ * - driver file
+ * - chipset file
+ * - register offset/value files
+ * - eeprom offset/value files
+ * - bbp offset/value files
+ * - rf offset/value files
+ */
+ struct dentry *driver_folder;
+ struct dentry *driver_entry;
+ struct dentry *chipset_entry;
+ struct dentry *csr_off_entry;
+ struct dentry *csr_val_entry;
+ struct dentry *eeprom_off_entry;
+ struct dentry *eeprom_val_entry;
+ struct dentry *bbp_off_entry;
+ struct dentry *bbp_val_entry;
+ struct dentry *rf_off_entry;
+ struct dentry *rf_val_entry;
+
+ /*
+ * Driver and chipset files will use a data buffer
+ * that has been created in advance. This will simplify
+ * the code since we can use the debugfs functions.
+ */
+ struct debugfs_blob_wrapper driver_blob;
+ struct debugfs_blob_wrapper chipset_blob;
+
+ /*
+ * Requested offset for each register type.
+ */
+ unsigned int offset_csr;
+ unsigned int offset_eeprom;
+ unsigned int offset_bbp;
+ unsigned int offset_rf;
+};
+
+static int rt2x00debug_file_open(struct inode *inode, struct file *file)
+{
+ struct rt2x00debug_intf *intf = inode->i_private;
+
+ file->private_data = inode->i_private;
+
+ if (!try_module_get(intf->debug->owner))
+ return -EBUSY;
+
+ return 0;
+}
+
+static int rt2x00debug_file_release(struct inode *inode, struct file *file)
+{
+ struct rt2x00debug_intf *intf = file->private_data;
+
+ module_put(intf->debug->owner);
+
+ return 0;
+}
+
+#define RT2X00DEBUGFS_OPS_READ(__name, __format, __type) \
+static ssize_t rt2x00debug_read_##__name(struct file *file, \
+ char __user *buf, \
+ size_t length, \
+ loff_t *offset) \
+{ \
+ struct rt2x00debug_intf *intf = file->private_data; \
+ const struct rt2x00debug *debug = intf->debug; \
+ char line[16]; \
+ size_t size; \
+ __type value; \
+ \
+ if (*offset) \
+ return 0; \
+ \
+ if (intf->offset_##__name >= debug->__name.word_count) \
+ return -EINVAL; \
+ \
+ debug->__name.read(intf->rt2x00dev, \
+ intf->offset_##__name, &value); \
+ \
+ size = sprintf(line, __format, value); \
+ \
+ if (copy_to_user(buf, line, size)) \
+ return -EFAULT; \
+ \
+ *offset += size; \
+ return size; \
+}
+
+#define RT2X00DEBUGFS_OPS_WRITE(__name, __type) \
+static ssize_t rt2x00debug_write_##__name(struct file *file, \
+ const char __user *buf,\
+ size_t length, \
+ loff_t *offset) \
+{ \
+ struct rt2x00debug_intf *intf = file->private_data; \
+ const struct rt2x00debug *debug = intf->debug; \
+ char line[16]; \
+ size_t size; \
+ __type value; \
+ \
+ if (*offset) \
+ return 0; \
+ \
+ if (!capable(CAP_NET_ADMIN)) \
+ return -EPERM; \
+ \
+ if (intf->offset_##__name >= debug->__name.word_count) \
+ return -EINVAL; \
+ \
+ if (copy_from_user(line, buf, length)) \
+ return -EFAULT; \
+ \
+ size = strlen(line); \
+ value = simple_strtoul(line, NULL, 0); \
+ \
+ debug->__name.write(intf->rt2x00dev, \
+ intf->offset_##__name, value); \
+ \
+ *offset += size; \
+ return size; \
+}
+
+#define RT2X00DEBUGFS_OPS(__name, __format, __type) \
+RT2X00DEBUGFS_OPS_READ(__name, __format, __type); \
+RT2X00DEBUGFS_OPS_WRITE(__name, __type); \
+ \
+static const struct file_operations rt2x00debug_fop_##__name = {\
+ .owner = THIS_MODULE, \
+ .read = rt2x00debug_read_##__name, \
+ .write = rt2x00debug_write_##__name, \
+ .open = rt2x00debug_file_open, \
+ .release = rt2x00debug_file_release, \
+};
+
+RT2X00DEBUGFS_OPS(csr, "0x%.8x\n", u32);
+RT2X00DEBUGFS_OPS(eeprom, "0x%.4x\n", u16);
+RT2X00DEBUGFS_OPS(bbp, "0x%.2x\n", u8);
+RT2X00DEBUGFS_OPS(rf, "0x%.8x\n", u32);
+
+static struct dentry *rt2x00debug_create_file_driver(const char *name,
+ struct rt2x00debug_intf
+ *intf,
+ struct debugfs_blob_wrapper
+ *blob)
+{
+ char *data;
+
+ data = kzalloc(3 * PRINT_LINE_LEN_MAX, GFP_KERNEL);
+ if (!data)
+ return NULL;
+
+ blob->data = data;
+ data += sprintf(data, "driver: %s\n", intf->rt2x00dev->ops->name);
+ data += sprintf(data, "version: %s\n", DRV_VERSION);
+ data += sprintf(data, "compiled: %s %s\n", __DATE__, __TIME__);
+ blob->size = strlen(blob->data);
+
+ return debugfs_create_blob(name, S_IRUGO, intf->driver_folder, blob);
+}
+
+static struct dentry *rt2x00debug_create_file_chipset(const char *name,
+ struct rt2x00debug_intf
+ *intf,
+ struct
+ debugfs_blob_wrapper
+ *blob)
+{
+ const struct rt2x00debug *debug = intf->debug;
+ char *data;
+
+ data = kzalloc(4 * PRINT_LINE_LEN_MAX, GFP_KERNEL);
+ if (!data)
+ return NULL;
+
+ blob->data = data;
+ data += sprintf(data, "csr length: %d\n", debug->csr.word_count);
+ data += sprintf(data, "eeprom length: %d\n", debug->eeprom.word_count);
+ data += sprintf(data, "bbp length: %d\n", debug->bbp.word_count);
+ data += sprintf(data, "rf length: %d\n", debug->rf.word_count);
+ blob->size = strlen(blob->data);
+
+ return debugfs_create_blob(name, S_IRUGO, intf->driver_folder, blob);
+}
+
+void rt2x00debug_register(struct rt2x00_dev *rt2x00dev)
+{
+ const struct rt2x00debug *debug = rt2x00dev->ops->debugfs;
+ struct rt2x00debug_intf *intf;
+
+ intf = kzalloc(sizeof(struct rt2x00debug_intf), GFP_KERNEL);
+ if (!intf) {
+ ERROR(rt2x00dev, "Failed to allocate debug handler.\n");
+ return;
+ }
+
+ intf->debug = debug;
+ intf->rt2x00dev = rt2x00dev;
+ rt2x00dev->debugfs_intf = intf;
+
+ intf->driver_folder =
+ debugfs_create_dir(intf->rt2x00dev->ops->name,
+ rt2x00dev->hw->wiphy->debugfsdir);
+ if (IS_ERR(intf->driver_folder))
+ goto exit;
+
+ intf->driver_entry =
+ rt2x00debug_create_file_driver("driver", intf, &intf->driver_blob);
+ if (IS_ERR(intf->driver_entry))
+ goto exit;
+
+ intf->chipset_entry =
+ rt2x00debug_create_file_chipset("chipset",
+ intf, &intf->chipset_blob);
+ if (IS_ERR(intf->chipset_entry))
+ goto exit;
+
+#define RT2X00DEBUGFS_CREATE_ENTRY(__intf, __name) \
+({ \
+ (__intf)->__name##_off_entry = \
+ debugfs_create_u32(__stringify(__name) "_offset", \
+ S_IRUGO | S_IWUSR, \
+ (__intf)->driver_folder, \
+ &(__intf)->offset_##__name); \
+ if (IS_ERR((__intf)->__name##_off_entry)) \
+ goto exit; \
+ \
+ (__intf)->__name##_val_entry = \
+ debugfs_create_file(__stringify(__name) "_value", \
+ S_IRUGO | S_IWUSR, \
+ (__intf)->driver_folder, \
+ (__intf), &rt2x00debug_fop_##__name);\
+ if (IS_ERR((__intf)->__name##_val_entry)) \
+ goto exit; \
+})
+
+ RT2X00DEBUGFS_CREATE_ENTRY(intf, csr);
+ RT2X00DEBUGFS_CREATE_ENTRY(intf, eeprom);
+ RT2X00DEBUGFS_CREATE_ENTRY(intf, bbp);
+ RT2X00DEBUGFS_CREATE_ENTRY(intf, rf);
+
+#undef RT2X00DEBUGFS_CREATE_ENTRY
+
+ return;
+
+exit:
+ rt2x00debug_deregister(rt2x00dev);
+ ERROR(rt2x00dev, "Failed to register debug handler.\n");
+
+ return;
+}
+
+void rt2x00debug_deregister(struct rt2x00_dev *rt2x00dev)
+{
+ const struct rt2x00debug_intf *intf = rt2x00dev->debugfs_intf;
+
+ if (unlikely(!intf))
+ return;
+
+ debugfs_remove(intf->rf_val_entry);
+ debugfs_remove(intf->rf_off_entry);
+ debugfs_remove(intf->bbp_val_entry);
+ debugfs_remove(intf->bbp_off_entry);
+ debugfs_remove(intf->eeprom_val_entry);
+ debugfs_remove(intf->eeprom_off_entry);
+ debugfs_remove(intf->csr_val_entry);
+ debugfs_remove(intf->csr_off_entry);
+ debugfs_remove(intf->chipset_entry);
+ debugfs_remove(intf->driver_entry);
+ debugfs_remove(intf->driver_folder);
+ kfree(intf->chipset_blob.data);
+ kfree(intf->driver_blob.data);
+ kfree(intf);
+
+ rt2x00dev->debugfs_intf = NULL;
+}
diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.h b/drivers/net/wireless/rt2x00/rt2x00debug.h
new file mode 100644
index 00000000000..860e8fa3a0d
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00debug.h
@@ -0,0 +1,57 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2x00debug
+ Abstract: Data structures for the rt2x00debug.
+ */
+
+#ifndef RT2X00DEBUG_H
+#define RT2X00DEBUG_H
+
+struct rt2x00_dev;
+
+#define RT2X00DEBUGFS_REGISTER_ENTRY(__name, __type) \
+struct reg##__name { \
+ void (*read)(const struct rt2x00_dev *rt2x00dev, \
+ const unsigned int word, __type *data); \
+ void (*write)(const struct rt2x00_dev *rt2x00dev, \
+ const unsigned int word, __type data); \
+ \
+ unsigned int word_size; \
+ unsigned int word_count; \
+} __name
+
+struct rt2x00debug {
+ /*
+ * Reference to the modules structure.
+ */
+ struct module *owner;
+
+ /*
+ * Register access entries.
+ */
+ RT2X00DEBUGFS_REGISTER_ENTRY(csr, u32);
+ RT2X00DEBUGFS_REGISTER_ENTRY(eeprom, u16);
+ RT2X00DEBUGFS_REGISTER_ENTRY(bbp, u8);
+ RT2X00DEBUGFS_REGISTER_ENTRY(rf, u32);
+};
+
+#endif /* RT2X00DEBUG_H */
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
new file mode 100644
index 00000000000..cd82eeface8
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -0,0 +1,1133 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2x00lib
+ Abstract: rt2x00 generic device routines.
+ */
+
+/*
+ * Set enviroment defines for rt2x00.h
+ */
+#define DRV_NAME "rt2x00lib"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include "rt2x00.h"
+#include "rt2x00lib.h"
+
+/*
+ * Ring handler.
+ */
+struct data_ring *rt2x00lib_get_ring(struct rt2x00_dev *rt2x00dev,
+ const unsigned int queue)
+{
+ int beacon = test_bit(REQUIRE_BEACON_RING, &rt2x00dev->flags);
+
+ /*
+ * Check if we are requesting a reqular TX ring,
+ * or if we are requesting a Beacon or Atim ring.
+ * For Atim rings, we should check if it is supported.
+ */
+ if (queue < rt2x00dev->hw->queues && rt2x00dev->tx)
+ return &rt2x00dev->tx[queue];
+
+ if (!rt2x00dev->bcn || !beacon)
+ return NULL;
+
+ if (queue == IEEE80211_TX_QUEUE_BEACON)
+ return &rt2x00dev->bcn[0];
+ else if (queue == IEEE80211_TX_QUEUE_AFTER_BEACON)
+ return &rt2x00dev->bcn[1];
+
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(rt2x00lib_get_ring);
+
+/*
+ * Link tuning handlers
+ */
+static void rt2x00lib_start_link_tuner(struct rt2x00_dev *rt2x00dev)
+{
+ rt2x00_clear_link(&rt2x00dev->link);
+
+ /*
+ * Reset the link tuner.
+ */
+ rt2x00dev->ops->lib->reset_tuner(rt2x00dev);
+
+ queue_delayed_work(rt2x00dev->hw->workqueue,
+ &rt2x00dev->link.work, LINK_TUNE_INTERVAL);
+}
+
+static void rt2x00lib_stop_link_tuner(struct rt2x00_dev *rt2x00dev)
+{
+ if (delayed_work_pending(&rt2x00dev->link.work))
+ cancel_rearming_delayed_work(&rt2x00dev->link.work);
+}
+
+void rt2x00lib_reset_link_tuner(struct rt2x00_dev *rt2x00dev)
+{
+ rt2x00lib_stop_link_tuner(rt2x00dev);
+ rt2x00lib_start_link_tuner(rt2x00dev);
+}
+
+/*
+ * Radio control handlers.
+ */
+int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev)
+{
+ int status;
+
+ /*
+ * Don't enable the radio twice.
+ * And check if the hardware button has been disabled.
+ */
+ if (test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags) ||
+ (test_bit(DEVICE_SUPPORT_HW_BUTTON, &rt2x00dev->flags) &&
+ !test_bit(DEVICE_ENABLED_RADIO_HW, &rt2x00dev->flags)))
+ return 0;
+
+ /*
+ * Enable radio.
+ */
+ status = rt2x00dev->ops->lib->set_device_state(rt2x00dev,
+ STATE_RADIO_ON);
+ if (status)
+ return status;
+
+ __set_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags);
+
+ /*
+ * Enable RX.
+ */
+ rt2x00lib_toggle_rx(rt2x00dev, 1);
+
+ /*
+ * Start the TX queues.
+ */
+ ieee80211_start_queues(rt2x00dev->hw);
+
+ return 0;
+}
+
+void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev)
+{
+ if (!__test_and_clear_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+ return;
+
+ /*
+ * Stop beacon generation.
+ */
+ if (work_pending(&rt2x00dev->beacon_work))
+ cancel_work_sync(&rt2x00dev->beacon_work);
+
+ /*
+ * Stop the TX queues.
+ */
+ ieee80211_stop_queues(rt2x00dev->hw);
+
+ /*
+ * Disable RX.
+ */
+ rt2x00lib_toggle_rx(rt2x00dev, 0);
+
+ /*
+ * Disable radio.
+ */
+ rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_RADIO_OFF);
+}
+
+void rt2x00lib_toggle_rx(struct rt2x00_dev *rt2x00dev, int enable)
+{
+ enum dev_state state = enable ? STATE_RADIO_RX_ON : STATE_RADIO_RX_OFF;
+
+ /*
+ * When we are disabling the RX, we should also stop the link tuner.
+ */
+ if (!enable)
+ rt2x00lib_stop_link_tuner(rt2x00dev);
+
+ rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
+
+ /*
+ * When we are enabling the RX, we should also start the link tuner.
+ */
+ if (enable && is_interface_present(&rt2x00dev->interface))
+ rt2x00lib_start_link_tuner(rt2x00dev);
+}
+
+static void rt2x00lib_precalculate_link_signal(struct link *link)
+{
+ if (link->rx_failed || link->rx_success)
+ link->rx_percentage =
+ (link->rx_success * 100) /
+ (link->rx_failed + link->rx_success);
+ else
+ link->rx_percentage = 50;
+
+ if (link->tx_failed || link->tx_success)
+ link->tx_percentage =
+ (link->tx_success * 100) /
+ (link->tx_failed + link->tx_success);
+ else
+ link->tx_percentage = 50;
+
+ link->rx_success = 0;
+ link->rx_failed = 0;
+ link->tx_success = 0;
+ link->tx_failed = 0;
+}
+
+static int rt2x00lib_calculate_link_signal(struct rt2x00_dev *rt2x00dev,
+ int rssi)
+{
+ int rssi_percentage = 0;
+ int signal;
+
+ /*
+ * We need a positive value for the RSSI.
+ */
+ if (rssi < 0)
+ rssi += rt2x00dev->rssi_offset;
+
+ /*
+ * Calculate the different percentages,
+ * which will be used for the signal.
+ */
+ if (rt2x00dev->rssi_offset)
+ rssi_percentage = (rssi * 100) / rt2x00dev->rssi_offset;
+
+ /*
+ * Add the individual percentages and use the WEIGHT
+ * defines to calculate the current link signal.
+ */
+ signal = ((WEIGHT_RSSI * rssi_percentage) +
+ (WEIGHT_TX * rt2x00dev->link.tx_percentage) +
+ (WEIGHT_RX * rt2x00dev->link.rx_percentage)) / 100;
+
+ return (signal > 100) ? 100 : signal;
+}
+
+static void rt2x00lib_link_tuner(struct work_struct *work)
+{
+ struct rt2x00_dev *rt2x00dev =
+ container_of(work, struct rt2x00_dev, link.work.work);
+
+ /*
+ * Update statistics.
+ */
+ rt2x00dev->ops->lib->link_stats(rt2x00dev);
+
+ rt2x00dev->low_level_stats.dot11FCSErrorCount +=
+ rt2x00dev->link.rx_failed;
+
+ rt2x00lib_precalculate_link_signal(&rt2x00dev->link);
+
+ /*
+ * Only perform the link tuning when Link tuning
+ * has been enabled (This could have been disabled from the EEPROM).
+ */
+ if (!test_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags))
+ rt2x00dev->ops->lib->link_tuner(rt2x00dev);
+
+ /*
+ * Increase tuner counter, and reschedule the next link tuner run.
+ */
+ rt2x00dev->link.count++;
+ queue_delayed_work(rt2x00dev->hw->workqueue, &rt2x00dev->link.work,
+ LINK_TUNE_INTERVAL);
+}
+
+/*
+ * Interrupt context handlers.
+ */
+static void rt2x00lib_beacondone_scheduled(struct work_struct *work)
+{
+ struct rt2x00_dev *rt2x00dev =
+ container_of(work, struct rt2x00_dev, beacon_work);
+ struct data_ring *ring =
+ rt2x00lib_get_ring(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
+ struct data_entry *entry = rt2x00_get_data_entry(ring);
+ struct sk_buff *skb;
+
+ skb = ieee80211_beacon_get(rt2x00dev->hw,
+ rt2x00dev->interface.id,
+ &entry->tx_status.control);
+ if (!skb)
+ return;
+
+ rt2x00dev->ops->hw->beacon_update(rt2x00dev->hw, skb,
+ &entry->tx_status.control);
+
+ dev_kfree_skb(skb);
+}
+
+void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev)
+{
+ if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+ return;
+
+ queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->beacon_work);
+}
+EXPORT_SYMBOL_GPL(rt2x00lib_beacondone);
+
+void rt2x00lib_txdone(struct data_entry *entry,
+ const int status, const int retry)
+{
+ struct rt2x00_dev *rt2x00dev = entry->ring->rt2x00dev;
+ struct ieee80211_tx_status *tx_status = &entry->tx_status;
+ struct ieee80211_low_level_stats *stats = &rt2x00dev->low_level_stats;
+ int success = !!(status == TX_SUCCESS || status == TX_SUCCESS_RETRY);
+ int fail = !!(status == TX_FAIL_RETRY || status == TX_FAIL_INVALID ||
+ status == TX_FAIL_OTHER);
+
+ /*
+ * Update TX statistics.
+ */
+ tx_status->flags = 0;
+ tx_status->ack_signal = 0;
+ tx_status->excessive_retries = (status == TX_FAIL_RETRY);
+ tx_status->retry_count = retry;
+ rt2x00dev->link.tx_success += success;
+ rt2x00dev->link.tx_failed += retry + fail;
+
+ if (!(tx_status->control.flags & IEEE80211_TXCTL_NO_ACK)) {
+ if (success)
+ tx_status->flags |= IEEE80211_TX_STATUS_ACK;
+ else
+ stats->dot11ACKFailureCount++;
+ }
+
+ tx_status->queue_length = entry->ring->stats.limit;
+ tx_status->queue_number = tx_status->control.queue;
+
+ if (tx_status->control.flags & IEEE80211_TXCTL_USE_RTS_CTS) {
+ if (success)
+ stats->dot11RTSSuccessCount++;
+ else
+ stats->dot11RTSFailureCount++;
+ }
+
+ /*
+ * Send the tx_status to mac80211,
+ * that method also cleans up the skb structure.
+ */
+ ieee80211_tx_status_irqsafe(rt2x00dev->hw, entry->skb, tx_status);
+ entry->skb = NULL;
+}
+EXPORT_SYMBOL_GPL(rt2x00lib_txdone);
+
+void rt2x00lib_rxdone(struct data_entry *entry, struct sk_buff *skb,
+ const int signal, const int rssi, const int ofdm)
+{
+ struct rt2x00_dev *rt2x00dev = entry->ring->rt2x00dev;
+ struct ieee80211_rx_status *rx_status = &rt2x00dev->rx_status;
+ struct ieee80211_hw_mode *mode;
+ struct ieee80211_rate *rate;
+ unsigned int i;
+ int val = 0;
+
+ /*
+ * Update RX statistics.
+ */
+ mode = &rt2x00dev->hwmodes[rt2x00dev->curr_hwmode];
+ for (i = 0; i < mode->num_rates; i++) {
+ rate = &mode->rates[i];
+
+ /*
+ * When frame was received with an OFDM bitrate,
+ * the signal is the PLCP value. If it was received with
+ * a CCK bitrate the signal is the rate in 0.5kbit/s.
+ */
+ if (!ofdm)
+ val = DEVICE_GET_RATE_FIELD(rate->val, RATE);
+ else
+ val = DEVICE_GET_RATE_FIELD(rate->val, PLCP);
+
+ if (val == signal) {
+ val = rate->val;
+ break;
+ }
+ }
+
+ rt2x00_update_link_rssi(&rt2x00dev->link, rssi);
+ rt2x00dev->link.rx_success++;
+ rx_status->rate = val;
+ rx_status->signal = rt2x00lib_calculate_link_signal(rt2x00dev, rssi);
+ rx_status->ssi = rssi;
+
+ /*
+ * Send frame to mac80211
+ */
+ ieee80211_rx_irqsafe(rt2x00dev->hw, skb, rx_status);
+}
+EXPORT_SYMBOL_GPL(rt2x00lib_rxdone);
+
+/*
+ * TX descriptor initializer
+ */
+void rt2x00lib_write_tx_desc(struct rt2x00_dev *rt2x00dev,
+ struct data_desc *txd,
+ struct ieee80211_hdr *ieee80211hdr,
+ unsigned int length,
+ struct ieee80211_tx_control *control)
+{
+ struct data_entry_desc desc;
+ struct data_ring *ring;
+ int tx_rate;
+ int bitrate;
+ int duration;
+ int residual;
+ u16 frame_control;
+ u16 seq_ctrl;
+
+ /*
+ * Make sure the descriptor is properly cleared.
+ */
+ memset(&desc, 0x00, sizeof(desc));
+
+ /*
+ * Get ring pointer, if we fail to obtain the
+ * correct ring, then use the first TX ring.
+ */
+ ring = rt2x00lib_get_ring(rt2x00dev, control->queue);
+ if (!ring)
+ ring = rt2x00lib_get_ring(rt2x00dev, IEEE80211_TX_QUEUE_DATA0);
+
+ desc.cw_min = ring->tx_params.cw_min;
+ desc.cw_max = ring->tx_params.cw_max;
+ desc.aifs = ring->tx_params.aifs;
+
+ /*
+ * Identify queue
+ */
+ if (control->queue < rt2x00dev->hw->queues)
+ desc.queue = control->queue;
+ else if (control->queue == IEEE80211_TX_QUEUE_BEACON ||
+ control->queue == IEEE80211_TX_QUEUE_AFTER_BEACON)
+ desc.queue = QUEUE_MGMT;
+ else
+ desc.queue = QUEUE_OTHER;
+
+ /*
+ * Read required fields from ieee80211 header.
+ */
+ frame_control = le16_to_cpu(ieee80211hdr->frame_control);
+ seq_ctrl = le16_to_cpu(ieee80211hdr->seq_ctrl);
+
+ tx_rate = control->tx_rate;
+
+ /*
+ * Check if this is a RTS/CTS frame
+ */
+ if (is_rts_frame(frame_control) || is_cts_frame(frame_control)) {
+ __set_bit(ENTRY_TXD_BURST, &desc.flags);
+ if (is_rts_frame(frame_control))
+ __set_bit(ENTRY_TXD_RTS_FRAME, &desc.flags);
+ if (control->rts_cts_rate)
+ tx_rate = control->rts_cts_rate;
+ }
+
+ /*
+ * Check for OFDM
+ */
+ if (DEVICE_GET_RATE_FIELD(tx_rate, RATEMASK) & DEV_OFDM_RATEMASK)
+ __set_bit(ENTRY_TXD_OFDM_RATE, &desc.flags);
+
+ /*
+ * Check if more fragments are pending
+ */
+ if (ieee80211_get_morefrag(ieee80211hdr)) {
+ __set_bit(ENTRY_TXD_BURST, &desc.flags);
+ __set_bit(ENTRY_TXD_MORE_FRAG, &desc.flags);
+ }
+
+ /*
+ * Beacons and probe responses require the tsf timestamp
+ * to be inserted into the frame.
+ */
+ if (control->queue == IEEE80211_TX_QUEUE_BEACON ||
+ is_probe_resp(frame_control))
+ __set_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc.flags);
+
+ /*
+ * Determine with what IFS priority this frame should be send.
+ * Set ifs to IFS_SIFS when the this is not the first fragment,
+ * or this fragment came after RTS/CTS.
+ */
+ if ((seq_ctrl & IEEE80211_SCTL_FRAG) > 0 ||
+ test_bit(ENTRY_TXD_RTS_FRAME, &desc.flags))
+ desc.ifs = IFS_SIFS;
+ else
+ desc.ifs = IFS_BACKOFF;
+
+ /*
+ * PLCP setup
+ * Length calculation depends on OFDM/CCK rate.
+ */
+ desc.signal = DEVICE_GET_RATE_FIELD(tx_rate, PLCP);
+ desc.service = 0x04;
+
+ if (test_bit(ENTRY_TXD_OFDM_RATE, &desc.flags)) {
+ desc.length_high = ((length + FCS_LEN) >> 6) & 0x3f;
+ desc.length_low = ((length + FCS_LEN) & 0x3f);
+ } else {
+ bitrate = DEVICE_GET_RATE_FIELD(tx_rate, RATE);
+
+ /*
+ * Convert length to microseconds.
+ */
+ residual = get_duration_res(length + FCS_LEN, bitrate);
+ duration = get_duration(length + FCS_LEN, bitrate);
+
+ if (residual != 0) {
+ duration++;
+
+ /*
+ * Check if we need to set the Length Extension
+ */
+ if (bitrate == 110 && residual <= 3)
+ desc.service |= 0x80;
+ }
+
+ desc.length_high = (duration >> 8) & 0xff;
+ desc.length_low = duration & 0xff;
+
+ /*
+ * When preamble is enabled we should set the
+ * preamble bit for the signal.
+ */
+ if (DEVICE_GET_RATE_FIELD(tx_rate, PREAMBLE))
+ desc.signal |= 0x08;
+ }
+
+ rt2x00dev->ops->lib->write_tx_desc(rt2x00dev, txd, &desc,
+ ieee80211hdr, length, control);
+}
+EXPORT_SYMBOL_GPL(rt2x00lib_write_tx_desc);
+
+/*
+ * Driver initialization handlers.
+ */
+static void rt2x00lib_channel(struct ieee80211_channel *entry,
+ const int channel, const int tx_power,
+ const int value)
+{
+ entry->chan = channel;
+ if (channel <= 14)
+ entry->freq = 2407 + (5 * channel);
+ else
+ entry->freq = 5000 + (5 * channel);
+ entry->val = value;
+ entry->flag =
+ IEEE80211_CHAN_W_IBSS |
+ IEEE80211_CHAN_W_ACTIVE_SCAN |
+ IEEE80211_CHAN_W_SCAN;
+ entry->power_level = tx_power;
+ entry->antenna_max = 0xff;
+}
+
+static void rt2x00lib_rate(struct ieee80211_rate *entry,
+ const int rate, const int mask,
+ const int plcp, const int flags)
+{
+ entry->rate = rate;
+ entry->val =
+ DEVICE_SET_RATE_FIELD(rate, RATE) |
+ DEVICE_SET_RATE_FIELD(mask, RATEMASK) |
+ DEVICE_SET_RATE_FIELD(plcp, PLCP);
+ entry->flags = flags;
+ entry->val2 = entry->val;
+ if (entry->flags & IEEE80211_RATE_PREAMBLE2)
+ entry->val2 |= DEVICE_SET_RATE_FIELD(1, PREAMBLE);
+ entry->min_rssi_ack = 0;
+ entry->min_rssi_ack_delta = 0;
+}
+
+static int rt2x00lib_probe_hw_modes(struct rt2x00_dev *rt2x00dev,
+ struct hw_mode_spec *spec)
+{
+ struct ieee80211_hw *hw = rt2x00dev->hw;
+ struct ieee80211_hw_mode *hwmodes;
+ struct ieee80211_channel *channels;
+ struct ieee80211_rate *rates;
+ unsigned int i;
+ unsigned char tx_power;
+
+ hwmodes = kzalloc(sizeof(*hwmodes) * spec->num_modes, GFP_KERNEL);
+ if (!hwmodes)
+ goto exit;
+
+ channels = kzalloc(sizeof(*channels) * spec->num_channels, GFP_KERNEL);
+ if (!channels)
+ goto exit_free_modes;
+
+ rates = kzalloc(sizeof(*rates) * spec->num_rates, GFP_KERNEL);
+ if (!rates)
+ goto exit_free_channels;
+
+ /*
+ * Initialize Rate list.
+ */
+ rt2x00lib_rate(&rates[0], 10, DEV_RATEMASK_1MB,
+ 0x00, IEEE80211_RATE_CCK);
+ rt2x00lib_rate(&rates[1], 20, DEV_RATEMASK_2MB,
+ 0x01, IEEE80211_RATE_CCK_2);
+ rt2x00lib_rate(&rates[2], 55, DEV_RATEMASK_5_5MB,
+ 0x02, IEEE80211_RATE_CCK_2);
+ rt2x00lib_rate(&rates[3], 110, DEV_RATEMASK_11MB,
+ 0x03, IEEE80211_RATE_CCK_2);
+
+ if (spec->num_rates > 4) {
+ rt2x00lib_rate(&rates[4], 60, DEV_RATEMASK_6MB,
+ 0x0b, IEEE80211_RATE_OFDM);
+ rt2x00lib_rate(&rates[5], 90, DEV_RATEMASK_9MB,
+ 0x0f, IEEE80211_RATE_OFDM);
+ rt2x00lib_rate(&rates[6], 120, DEV_RATEMASK_12MB,
+ 0x0a, IEEE80211_RATE_OFDM);
+ rt2x00lib_rate(&rates[7], 180, DEV_RATEMASK_18MB,
+ 0x0e, IEEE80211_RATE_OFDM);
+ rt2x00lib_rate(&rates[8], 240, DEV_RATEMASK_24MB,
+ 0x09, IEEE80211_RATE_OFDM);
+ rt2x00lib_rate(&rates[9], 360, DEV_RATEMASK_36MB,
+ 0x0d, IEEE80211_RATE_OFDM);
+ rt2x00lib_rate(&rates[10], 480, DEV_RATEMASK_48MB,
+ 0x08, IEEE80211_RATE_OFDM);
+ rt2x00lib_rate(&rates[11], 540, DEV_RATEMASK_54MB,
+ 0x0c, IEEE80211_RATE_OFDM);
+ }
+
+ /*
+ * Initialize Channel list.
+ */
+ for (i = 0; i < spec->num_channels; i++) {
+ if (spec->channels[i].channel <= 14)
+ tx_power = spec->tx_power_bg[i];
+ else if (spec->tx_power_a)
+ tx_power = spec->tx_power_a[i];
+ else
+ tx_power = spec->tx_power_default;
+
+ rt2x00lib_channel(&channels[i],
+ spec->channels[i].channel, tx_power, i);
+ }
+
+ /*
+ * Intitialize 802.11b
+ * Rates: CCK.
+ * Channels: OFDM.
+ */
+ if (spec->num_modes > HWMODE_B) {
+ hwmodes[HWMODE_B].mode = MODE_IEEE80211B;
+ hwmodes[HWMODE_B].num_channels = 14;
+ hwmodes[HWMODE_B].num_rates = 4;
+ hwmodes[HWMODE_B].channels = channels;
+ hwmodes[HWMODE_B].rates = rates;
+ }
+
+ /*
+ * Intitialize 802.11g
+ * Rates: CCK, OFDM.
+ * Channels: OFDM.
+ */
+ if (spec->num_modes > HWMODE_G) {
+ hwmodes[HWMODE_G].mode = MODE_IEEE80211G;
+ hwmodes[HWMODE_G].num_channels = 14;
+ hwmodes[HWMODE_G].num_rates = spec->num_rates;
+ hwmodes[HWMODE_G].channels = channels;
+ hwmodes[HWMODE_G].rates = rates;
+ }
+
+ /*
+ * Intitialize 802.11a
+ * Rates: OFDM.
+ * Channels: OFDM, UNII, HiperLAN2.
+ */
+ if (spec->num_modes > HWMODE_A) {
+ hwmodes[HWMODE_A].mode = MODE_IEEE80211A;
+ hwmodes[HWMODE_A].num_channels = spec->num_channels - 14;
+ hwmodes[HWMODE_A].num_rates = spec->num_rates - 4;
+ hwmodes[HWMODE_A].channels = &channels[14];
+ hwmodes[HWMODE_A].rates = &rates[4];
+ }
+
+ if (spec->num_modes > HWMODE_G &&
+ ieee80211_register_hwmode(hw, &hwmodes[HWMODE_G]))
+ goto exit_free_rates;
+
+ if (spec->num_modes > HWMODE_B &&
+ ieee80211_register_hwmode(hw, &hwmodes[HWMODE_B]))
+ goto exit_free_rates;
+
+ if (spec->num_modes > HWMODE_A &&
+ ieee80211_register_hwmode(hw, &hwmodes[HWMODE_A]))
+ goto exit_free_rates;
+
+ rt2x00dev->hwmodes = hwmodes;
+
+ return 0;
+
+exit_free_rates:
+ kfree(rates);
+
+exit_free_channels:
+ kfree(channels);
+
+exit_free_modes:
+ kfree(hwmodes);
+
+exit:
+ ERROR(rt2x00dev, "Allocation ieee80211 modes failed.\n");
+ return -ENOMEM;
+}
+
+static void rt2x00lib_remove_hw(struct rt2x00_dev *rt2x00dev)
+{
+ if (test_bit(DEVICE_INITIALIZED_HW, &rt2x00dev->flags))
+ ieee80211_unregister_hw(rt2x00dev->hw);
+
+ if (likely(rt2x00dev->hwmodes)) {
+ kfree(rt2x00dev->hwmodes->channels);
+ kfree(rt2x00dev->hwmodes->rates);
+ kfree(rt2x00dev->hwmodes);
+ rt2x00dev->hwmodes = NULL;
+ }
+}
+
+static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
+{
+ struct hw_mode_spec *spec = &rt2x00dev->spec;
+ int status;
+
+ /*
+ * Initialize HW modes.
+ */
+ status = rt2x00lib_probe_hw_modes(rt2x00dev, spec);
+ if (status)
+ return status;
+
+ /*
+ * Register HW.
+ */
+ status = ieee80211_register_hw(rt2x00dev->hw);
+ if (status) {
+ rt2x00lib_remove_hw(rt2x00dev);
+ return status;
+ }
+
+ __set_bit(DEVICE_INITIALIZED_HW, &rt2x00dev->flags);
+
+ return 0;
+}
+
+/*
+ * Initialization/uninitialization handlers.
+ */
+static int rt2x00lib_alloc_entries(struct data_ring *ring,
+ const u16 max_entries, const u16 data_size,
+ const u16 desc_size)
+{
+ struct data_entry *entry;
+ unsigned int i;
+
+ ring->stats.limit = max_entries;
+ ring->data_size = data_size;
+ ring->desc_size = desc_size;
+
+ /*
+ * Allocate all ring entries.
+ */
+ entry = kzalloc(ring->stats.limit * sizeof(*entry), GFP_KERNEL);
+ if (!entry)
+ return -ENOMEM;
+
+ for (i = 0; i < ring->stats.limit; i++) {
+ entry[i].flags = 0;
+ entry[i].ring = ring;
+ entry[i].skb = NULL;
+ }
+
+ ring->entry = entry;
+
+ return 0;
+}
+
+static int rt2x00lib_alloc_ring_entries(struct rt2x00_dev *rt2x00dev)
+{
+ struct data_ring *ring;
+
+ /*
+ * Allocate the RX ring.
+ */
+ if (rt2x00lib_alloc_entries(rt2x00dev->rx, RX_ENTRIES, DATA_FRAME_SIZE,
+ rt2x00dev->ops->rxd_size))
+ return -ENOMEM;
+
+ /*
+ * First allocate the TX rings.
+ */
+ txring_for_each(rt2x00dev, ring) {
+ if (rt2x00lib_alloc_entries(ring, TX_ENTRIES, DATA_FRAME_SIZE,
+ rt2x00dev->ops->txd_size))
+ return -ENOMEM;
+ }
+
+ if (!test_bit(REQUIRE_BEACON_RING, &rt2x00dev->flags))
+ return 0;
+
+ /*
+ * Allocate the BEACON ring.
+ */
+ if (rt2x00lib_alloc_entries(&rt2x00dev->bcn[0], BEACON_ENTRIES,
+ MGMT_FRAME_SIZE, rt2x00dev->ops->txd_size))
+ return -ENOMEM;
+
+ /*
+ * Allocate the Atim ring.
+ */
+ if (rt2x00lib_alloc_entries(&rt2x00dev->bcn[1], ATIM_ENTRIES,
+ DATA_FRAME_SIZE, rt2x00dev->ops->txd_size))
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void rt2x00lib_free_ring_entries(struct rt2x00_dev *rt2x00dev)
+{
+ struct data_ring *ring;
+
+ ring_for_each(rt2x00dev, ring) {
+ kfree(ring->entry);
+ ring->entry = NULL;
+ }
+}
+
+void rt2x00lib_uninitialize(struct rt2x00_dev *rt2x00dev)
+{
+ if (!__test_and_clear_bit(DEVICE_INITIALIZED, &rt2x00dev->flags))
+ return;
+
+ /*
+ * Unregister rfkill.
+ */
+ rt2x00rfkill_unregister(rt2x00dev);
+
+ /*
+ * Allow the HW to uninitialize.
+ */
+ rt2x00dev->ops->lib->uninitialize(rt2x00dev);
+
+ /*
+ * Free allocated ring entries.
+ */
+ rt2x00lib_free_ring_entries(rt2x00dev);
+}
+
+int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev)
+{
+ int status;
+
+ if (test_bit(DEVICE_INITIALIZED, &rt2x00dev->flags))
+ return 0;
+
+ /*
+ * Allocate all ring entries.
+ */
+ status = rt2x00lib_alloc_ring_entries(rt2x00dev);
+ if (status) {
+ ERROR(rt2x00dev, "Ring entries allocation failed.\n");
+ return status;
+ }
+
+ /*
+ * Initialize the device.
+ */
+ status = rt2x00dev->ops->lib->initialize(rt2x00dev);
+ if (status)
+ goto exit;
+
+ __set_bit(DEVICE_INITIALIZED, &rt2x00dev->flags);
+
+ /*
+ * Register the rfkill handler.
+ */
+ status = rt2x00rfkill_register(rt2x00dev);
+ if (status)
+ goto exit_unitialize;
+
+ return 0;
+
+exit_unitialize:
+ rt2x00lib_uninitialize(rt2x00dev);
+
+exit:
+ rt2x00lib_free_ring_entries(rt2x00dev);
+
+ return status;
+}
+
+/*
+ * driver allocation handlers.
+ */
+static int rt2x00lib_alloc_rings(struct rt2x00_dev *rt2x00dev)
+{
+ struct data_ring *ring;
+
+ /*
+ * We need the following rings:
+ * RX: 1
+ * TX: hw->queues
+ * Beacon: 1 (if required)
+ * Atim: 1 (if required)
+ */
+ rt2x00dev->data_rings = 1 + rt2x00dev->hw->queues +
+ (2 * test_bit(REQUIRE_BEACON_RING, &rt2x00dev->flags));
+
+ ring = kzalloc(rt2x00dev->data_rings * sizeof(*ring), GFP_KERNEL);
+ if (!ring) {
+ ERROR(rt2x00dev, "Ring allocation failed.\n");
+ return -ENOMEM;
+ }
+
+ /*
+ * Initialize pointers
+ */
+ rt2x00dev->rx = ring;
+ rt2x00dev->tx = &rt2x00dev->rx[1];
+ if (test_bit(REQUIRE_BEACON_RING, &rt2x00dev->flags))
+ rt2x00dev->bcn = &rt2x00dev->tx[rt2x00dev->hw->queues];
+
+ /*
+ * Initialize ring parameters.
+ * cw_min: 2^5 = 32.
+ * cw_max: 2^10 = 1024.
+ */
+ ring_for_each(rt2x00dev, ring) {
+ ring->rt2x00dev = rt2x00dev;
+ ring->tx_params.aifs = 2;
+ ring->tx_params.cw_min = 5;
+ ring->tx_params.cw_max = 10;
+ }
+
+ return 0;
+}
+
+static void rt2x00lib_free_rings(struct rt2x00_dev *rt2x00dev)
+{
+ kfree(rt2x00dev->rx);
+ rt2x00dev->rx = NULL;
+ rt2x00dev->tx = NULL;
+ rt2x00dev->bcn = NULL;
+}
+
+int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
+{
+ int retval = -ENOMEM;
+
+ /*
+ * Let the driver probe the device to detect the capabilities.
+ */
+ retval = rt2x00dev->ops->lib->probe_hw(rt2x00dev);
+ if (retval) {
+ ERROR(rt2x00dev, "Failed to allocate device.\n");
+ goto exit;
+ }
+
+ /*
+ * Initialize configuration work.
+ */
+ INIT_WORK(&rt2x00dev->beacon_work, rt2x00lib_beacondone_scheduled);
+ INIT_DELAYED_WORK(&rt2x00dev->link.work, rt2x00lib_link_tuner);
+
+ /*
+ * Reset current working type.
+ */
+ rt2x00dev->interface.type = INVALID_INTERFACE;
+
+ /*
+ * Allocate ring array.
+ */
+ retval = rt2x00lib_alloc_rings(rt2x00dev);
+ if (retval)
+ goto exit;
+
+ /*
+ * Initialize ieee80211 structure.
+ */
+ retval = rt2x00lib_probe_hw(rt2x00dev);
+ if (retval) {
+ ERROR(rt2x00dev, "Failed to initialize hw.\n");
+ goto exit;
+ }
+
+ /*
+ * Allocatie rfkill.
+ */
+ retval = rt2x00rfkill_allocate(rt2x00dev);
+ if (retval)
+ goto exit;
+
+ /*
+ * Open the debugfs entry.
+ */
+ rt2x00debug_register(rt2x00dev);
+
+ return 0;
+
+exit:
+ rt2x00lib_remove_dev(rt2x00dev);
+
+ return retval;
+}
+EXPORT_SYMBOL_GPL(rt2x00lib_probe_dev);
+
+void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
+{
+ /*
+ * Disable radio.
+ */
+ rt2x00lib_disable_radio(rt2x00dev);
+
+ /*
+ * Uninitialize device.
+ */
+ rt2x00lib_uninitialize(rt2x00dev);
+
+ /*
+ * Close debugfs entry.
+ */
+ rt2x00debug_deregister(rt2x00dev);
+
+ /*
+ * Free rfkill
+ */
+ rt2x00rfkill_free(rt2x00dev);
+
+ /*
+ * Free ieee80211_hw memory.
+ */
+ rt2x00lib_remove_hw(rt2x00dev);
+
+ /*
+ * Free firmware image.
+ */
+ rt2x00lib_free_firmware(rt2x00dev);
+
+ /*
+ * Free ring structures.
+ */
+ rt2x00lib_free_rings(rt2x00dev);
+}
+EXPORT_SYMBOL_GPL(rt2x00lib_remove_dev);
+
+/*
+ * Device state handlers
+ */
+#ifdef CONFIG_PM
+int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state)
+{
+ int retval;
+
+ NOTICE(rt2x00dev, "Going to sleep.\n");
+
+ /*
+ * Disable radio and unitialize all items
+ * that must be recreated on resume.
+ */
+ rt2x00lib_disable_radio(rt2x00dev);
+ rt2x00lib_uninitialize(rt2x00dev);
+ rt2x00debug_deregister(rt2x00dev);
+
+ /*
+ * Set device mode to sleep for power management.
+ */
+ retval = rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_SLEEP);
+ if (retval)
+ return retval;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00lib_suspend);
+
+int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
+{
+ struct interface *intf = &rt2x00dev->interface;
+ int retval;
+
+ NOTICE(rt2x00dev, "Waking up.\n");
+ __set_bit(INTERFACE_RESUME, &rt2x00dev->flags);
+
+ /*
+ * Open the debugfs entry.
+ */
+ rt2x00debug_register(rt2x00dev);
+
+ /*
+ * Reinitialize device and all active interfaces.
+ */
+ retval = rt2x00mac_start(rt2x00dev->hw);
+ if (retval)
+ goto exit;
+
+ /*
+ * Reconfigure device.
+ */
+ retval = rt2x00mac_config(rt2x00dev->hw, &rt2x00dev->hw->conf);
+ if (retval)
+ goto exit;
+
+ rt2x00lib_config_mac_addr(rt2x00dev, intf->mac);
+ rt2x00lib_config_bssid(rt2x00dev, intf->bssid);
+ rt2x00lib_config_type(rt2x00dev, intf->type);
+ rt2x00lib_config_packet_filter(rt2x00dev, intf->filter);
+
+ /*
+ * When in Master or Ad-hoc mode,
+ * restart Beacon transmitting by faking a beacondone event.
+ */
+ if (intf->type == IEEE80211_IF_TYPE_AP ||
+ intf->type == IEEE80211_IF_TYPE_IBSS)
+ rt2x00lib_beacondone(rt2x00dev);
+
+ __clear_bit(INTERFACE_RESUME, &rt2x00dev->flags);
+
+ return 0;
+
+exit:
+ rt2x00lib_disable_radio(rt2x00dev);
+ rt2x00lib_uninitialize(rt2x00dev);
+ rt2x00debug_deregister(rt2x00dev);
+
+ __clear_bit(INTERFACE_RESUME, &rt2x00dev->flags);
+
+ return retval;
+}
+EXPORT_SYMBOL_GPL(rt2x00lib_resume);
+#endif /* CONFIG_PM */
+
+/*
+ * rt2x00lib module information.
+ */
+MODULE_AUTHOR(DRV_PROJECT);
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("rt2x00 library");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/wireless/rt2x00/rt2x00firmware.c b/drivers/net/wireless/rt2x00/rt2x00firmware.c
new file mode 100644
index 00000000000..236025f8b90
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00firmware.c
@@ -0,0 +1,124 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2x00lib
+ Abstract: rt2x00 firmware loading routines.
+ */
+
+/*
+ * Set enviroment defines for rt2x00.h
+ */
+#define DRV_NAME "rt2x00lib"
+
+#include <linux/crc-itu-t.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include "rt2x00.h"
+#include "rt2x00lib.h"
+
+static int rt2x00lib_request_firmware(struct rt2x00_dev *rt2x00dev)
+{
+ struct device *device = wiphy_dev(rt2x00dev->hw->wiphy);
+ const struct firmware *fw;
+ char *fw_name;
+ int retval;
+ u16 crc;
+ u16 tmp;
+
+ /*
+ * Read correct firmware from harddisk.
+ */
+ fw_name = rt2x00dev->ops->lib->get_firmware_name(rt2x00dev);
+ if (!fw_name) {
+ ERROR(rt2x00dev,
+ "Invalid firmware filename.\n"
+ "Please file bug report to %s.\n", DRV_PROJECT);
+ return -EINVAL;
+ }
+
+ INFO(rt2x00dev, "Loading firmware file '%s'.\n", fw_name);
+
+ retval = request_firmware(&fw, fw_name, device);
+ if (retval) {
+ ERROR(rt2x00dev, "Failed to request Firmware.\n");
+ return retval;
+ }
+
+ if (!fw || !fw->size || !fw->data) {
+ ERROR(rt2x00dev, "Failed to read Firmware.\n");
+ return -ENOENT;
+ }
+
+ /*
+ * Validate the firmware using 16 bit CRC.
+ * The last 2 bytes of the firmware are the CRC
+ * so substract those 2 bytes from the CRC checksum,
+ * and set those 2 bytes to 0 when calculating CRC.
+ */
+ tmp = 0;
+ crc = crc_itu_t(0, fw->data, fw->size - 2);
+ crc = crc_itu_t(crc, (u8 *)&tmp, 2);
+
+ if (crc != (fw->data[fw->size - 2] << 8 | fw->data[fw->size - 1])) {
+ ERROR(rt2x00dev, "Firmware CRC error.\n");
+ retval = -ENOENT;
+ goto exit;
+ }
+
+ INFO(rt2x00dev, "Firmware detected - version: %d.%d.\n",
+ fw->data[fw->size - 4], fw->data[fw->size - 3]);
+
+ rt2x00dev->fw = fw;
+
+ return 0;
+
+exit:
+ release_firmware(fw);
+
+ return retval;
+}
+
+int rt2x00lib_load_firmware(struct rt2x00_dev *rt2x00dev)
+{
+ int retval;
+
+ if (!rt2x00dev->fw) {
+ retval = rt2x00lib_request_firmware(rt2x00dev);
+ if (retval)
+ return retval;
+ }
+
+ /*
+ * Send firmware to the device.
+ */
+ retval = rt2x00dev->ops->lib->load_firmware(rt2x00dev,
+ rt2x00dev->fw->data,
+ rt2x00dev->fw->size);
+ return retval;
+}
+
+void rt2x00lib_free_firmware(struct rt2x00_dev *rt2x00dev)
+{
+ release_firmware(rt2x00dev->fw);
+ rt2x00dev->fw = NULL;
+}
+
diff --git a/drivers/net/wireless/rt2x00/rt2x00lib.h b/drivers/net/wireless/rt2x00/rt2x00lib.h
new file mode 100644
index 00000000000..3324090a96a
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00lib.h
@@ -0,0 +1,125 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2x00lib
+ Abstract: Data structures and definitions for the rt2x00lib module.
+ */
+
+#ifndef RT2X00LIB_H
+#define RT2X00LIB_H
+
+/*
+ * Interval defines
+ */
+#define LINK_TUNE_INTERVAL ( round_jiffies(HZ) )
+#define RFKILL_POLL_INTERVAL ( HZ / 4 )
+
+/*
+ * Radio control handlers.
+ */
+int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev);
+void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev);
+void rt2x00lib_toggle_rx(struct rt2x00_dev *rt2x00dev, int enable);
+void rt2x00lib_reset_link_tuner(struct rt2x00_dev *rt2x00dev);
+
+/*
+ * Initialization handlers.
+ */
+int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev);
+void rt2x00lib_uninitialize(struct rt2x00_dev *rt2x00dev);
+
+/*
+ * Configuration handlers.
+ */
+void rt2x00lib_config_mac_addr(struct rt2x00_dev *rt2x00dev, u8 *mac);
+void rt2x00lib_config_bssid(struct rt2x00_dev *rt2x00dev, u8 *bssid);
+void rt2x00lib_config_packet_filter(struct rt2x00_dev *rt2x00dev, int filter);
+void rt2x00lib_config_type(struct rt2x00_dev *rt2x00dev, int type);
+void rt2x00lib_config(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf);
+
+/*
+ * Firmware handlers.
+ */
+#ifdef CONFIG_RT2X00_LIB_FIRMWARE
+int rt2x00lib_load_firmware(struct rt2x00_dev *rt2x00dev);
+void rt2x00lib_free_firmware(struct rt2x00_dev *rt2x00dev);
+#else
+static inline int rt2x00lib_load_firmware(struct rt2x00_dev *rt2x00dev)
+{
+ return 0;
+}
+static inline void rt2x00lib_free_firmware(struct rt2x00_dev *rt2x00dev)
+{
+}
+#endif /* CONFIG_RT2X00_LIB_FIRMWARE */
+
+/*
+ * Debugfs handlers.
+ */
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+void rt2x00debug_register(struct rt2x00_dev *rt2x00dev);
+void rt2x00debug_deregister(struct rt2x00_dev *rt2x00dev);
+#else
+static inline void rt2x00debug_register(struct rt2x00_dev *rt2x00dev)
+{
+}
+
+static inline void rt2x00debug_deregister(struct rt2x00_dev *rt2x00dev)
+{
+}
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+
+/*
+ * RFkill handlers.
+ */
+#ifdef CONFIG_RT2X00_LIB_RFKILL
+int rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev);
+void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev);
+int rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev);
+void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev);
+#else
+static inline int rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev)
+{
+ /*
+ * Force enable this flag, this will assure that
+ * devices with a hardware button but without rfkill support
+ * can still use their hardware.
+ */
+ __set_bit(DEVICE_ENABLED_RADIO_HW, &rt2x00dev->flags);
+
+ return 0;
+}
+
+static inline void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev)
+{
+}
+
+static inline int rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev)
+{
+ return 0;
+}
+
+static inline void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev)
+{
+}
+#endif /* CONFIG_RT2X00_LIB_RFKILL */
+
+#endif /* RT2X00LIB_H */
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
new file mode 100644
index 00000000000..778ed41e21e
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -0,0 +1,459 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2x00mac
+ Abstract: rt2x00 generic mac80211 routines.
+ */
+
+/*
+ * Set enviroment defines for rt2x00.h
+ */
+#define DRV_NAME "rt2x00lib"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include "rt2x00.h"
+#include "rt2x00lib.h"
+
+static int rt2x00mac_tx_rts_cts(struct rt2x00_dev *rt2x00dev,
+ struct data_ring *ring,
+ struct sk_buff *frag_skb,
+ struct ieee80211_tx_control *control)
+{
+ struct sk_buff *skb;
+ int size;
+
+ if (control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT)
+ size = sizeof(struct ieee80211_cts);
+ else
+ size = sizeof(struct ieee80211_rts);
+
+ skb = dev_alloc_skb(size + rt2x00dev->hw->extra_tx_headroom);
+ if (!skb) {
+ WARNING(rt2x00dev, "Failed to create RTS/CTS frame.\n");
+ return NETDEV_TX_BUSY;
+ }
+
+ skb_reserve(skb, rt2x00dev->hw->extra_tx_headroom);
+ skb_put(skb, size);
+
+ if (control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT)
+ ieee80211_ctstoself_get(rt2x00dev->hw, rt2x00dev->interface.id,
+ frag_skb->data, frag_skb->len, control,
+ (struct ieee80211_cts *)(skb->data));
+ else
+ ieee80211_rts_get(rt2x00dev->hw, rt2x00dev->interface.id,
+ frag_skb->data, frag_skb->len, control,
+ (struct ieee80211_rts *)(skb->data));
+
+ if (rt2x00dev->ops->lib->write_tx_data(rt2x00dev, ring, skb, control)) {
+ WARNING(rt2x00dev, "Failed to send RTS/CTS frame.\n");
+ return NETDEV_TX_BUSY;
+ }
+
+ return NETDEV_TX_OK;
+}
+
+int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
+ struct ieee80211_tx_control *control)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ struct ieee80211_hdr *ieee80211hdr = (struct ieee80211_hdr *)skb->data;
+ struct data_ring *ring;
+ u16 frame_control;
+
+ /*
+ * Determine which ring to put packet on.
+ */
+ ring = rt2x00lib_get_ring(rt2x00dev, control->queue);
+ if (unlikely(!ring)) {
+ ERROR(rt2x00dev,
+ "Attempt to send packet over invalid queue %d.\n"
+ "Please file bug report to %s.\n",
+ control->queue, DRV_PROJECT);
+ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
+ }
+
+ /*
+ * If CTS/RTS is required. and this frame is not CTS or RTS,
+ * create and queue that frame first. But make sure we have
+ * at least enough entries available to send this CTS/RTS
+ * frame as well as the data frame.
+ */
+ frame_control = le16_to_cpu(ieee80211hdr->frame_control);
+ if (!is_rts_frame(frame_control) && !is_cts_frame(frame_control) &&
+ (control->flags & (IEEE80211_TXCTL_USE_RTS_CTS |
+ IEEE80211_TXCTL_USE_CTS_PROTECT))) {
+ if (rt2x00_ring_free(ring) <= 1)
+ return NETDEV_TX_BUSY;
+
+ if (rt2x00mac_tx_rts_cts(rt2x00dev, ring, skb, control))
+ return NETDEV_TX_BUSY;
+ }
+
+ if (rt2x00dev->ops->lib->write_tx_data(rt2x00dev, ring, skb, control))
+ return NETDEV_TX_BUSY;
+
+ if (rt2x00dev->ops->lib->kick_tx_queue)
+ rt2x00dev->ops->lib->kick_tx_queue(rt2x00dev, control->queue);
+
+ return NETDEV_TX_OK;
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_tx);
+
+int rt2x00mac_start(struct ieee80211_hw *hw)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ int status;
+
+ if (test_bit(DEVICE_INITIALIZED, &rt2x00dev->flags))
+ return 0;
+
+ /*
+ * If this is the first interface which is added,
+ * we should load the firmware now.
+ */
+ if (test_bit(REQUIRE_FIRMWARE, &rt2x00dev->flags)) {
+ status = rt2x00lib_load_firmware(rt2x00dev);
+ if (status)
+ return status;
+ }
+
+ /*
+ * Initialize the device.
+ */
+ status = rt2x00lib_initialize(rt2x00dev);
+ if (status)
+ return status;
+
+ /*
+ * Enable radio.
+ */
+ status = rt2x00lib_enable_radio(rt2x00dev);
+ if (status) {
+ rt2x00lib_uninitialize(rt2x00dev);
+ return status;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_start);
+
+void rt2x00mac_stop(struct ieee80211_hw *hw)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+
+ /*
+ * Perhaps we can add something smarter here,
+ * but for now just disabling the radio should do.
+ */
+ rt2x00lib_disable_radio(rt2x00dev);
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_stop);
+
+int rt2x00mac_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ struct interface *intf = &rt2x00dev->interface;
+ int retval;
+
+ /*
+ * We only support 1 non-monitor interface.
+ */
+ if (conf->type != IEEE80211_IF_TYPE_MNTR && is_interface_present(intf))
+ return -ENOBUFS;
+
+ /*
+ * HACK: Placeholder until start/stop handler has been
+ * added to the mac80211 callback functions structure.
+ */
+ retval = rt2x00mac_start(hw);
+ if (retval)
+ return retval;
+
+ /*
+ * We support muliple monitor mode interfaces.
+ * All we need to do is increase the monitor_count.
+ */
+ if (conf->type == IEEE80211_IF_TYPE_MNTR) {
+ intf->monitor_count++;
+ } else {
+ intf->id = conf->if_id;
+ intf->type = conf->type;
+ if (conf->type == IEEE80211_IF_TYPE_AP)
+ memcpy(&intf->bssid, conf->mac_addr, ETH_ALEN);
+ memcpy(&intf->mac, conf->mac_addr, ETH_ALEN);
+ intf->filter = 0;
+ }
+
+ /*
+ * Configure interface.
+ * The MAC adddress must be configured after the device
+ * has been initialized. Else the device can reset the
+ * MAC registers.
+ */
+ rt2x00lib_config_mac_addr(rt2x00dev, intf->mac);
+ rt2x00lib_config_type(rt2x00dev, conf->type);
+ rt2x00lib_config_packet_filter(rt2x00dev, intf->filter);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_add_interface);
+
+void rt2x00mac_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ struct interface *intf = &rt2x00dev->interface;
+
+ /*
+ * We only support 1 non-monitor interface.
+ */
+ if (conf->type != IEEE80211_IF_TYPE_MNTR && !is_interface_present(intf))
+ return;
+
+ /*
+ * When removing an monitor interface, decrease monitor_count.
+ * For non-monitor interfaces, all interface data needs to be reset.
+ */
+ if (conf->type == IEEE80211_IF_TYPE_MNTR) {
+ intf->monitor_count--;
+ } else if (intf->type == conf->type) {
+ intf->id = 0;
+ intf->type = INVALID_INTERFACE;
+ memset(&intf->bssid, 0x00, ETH_ALEN);
+ memset(&intf->mac, 0x00, ETH_ALEN);
+ intf->filter = 0;
+ }
+
+ /*
+ * Make sure the bssid and mac address registers
+ * are cleared to prevent false ACKing of frames.
+ */
+ rt2x00lib_config_mac_addr(rt2x00dev, intf->mac);
+ rt2x00lib_config_bssid(rt2x00dev, intf->bssid);
+ rt2x00lib_config_type(rt2x00dev, intf->type);
+
+ /*
+ * HACK: Placeholder untill start/stop handler has been
+ * added to the mac80211 callback functions structure.
+ */
+ rt2x00mac_stop(hw);
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_remove_interface);
+
+int rt2x00mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+
+ /*
+ * If the device is not initialized we shouldn't accept
+ * any configuration changes. Mac80211 might be calling
+ * this function while we are trying to remove the device
+ * or perhaps suspending it.
+ */
+ if (!test_bit(DEVICE_INITIALIZED, &rt2x00dev->flags))
+ return 0;
+
+ /*
+ * Check if we need to disable the radio,
+ * if this is not the case, at least the RX must be disabled.
+ */
+ if (test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags)) {
+ if (!conf->radio_enabled)
+ rt2x00lib_disable_radio(rt2x00dev);
+ else
+ rt2x00lib_toggle_rx(rt2x00dev, 0);
+ }
+
+ rt2x00lib_config(rt2x00dev, conf);
+
+ /*
+ * If promisc mode cannot be configured in irq context,
+ * then it is now the time to configure it.
+ */
+ if (test_bit(PACKET_FILTER_SCHEDULED, &rt2x00dev->flags))
+ rt2x00lib_config_packet_filter(rt2x00dev,
+ rt2x00dev->interface.filter);
+
+ /*
+ * Reenable RX only if the radio should be on.
+ */
+ if (test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+ rt2x00lib_toggle_rx(rt2x00dev, 1);
+ else if (conf->radio_enabled)
+ return rt2x00lib_enable_radio(rt2x00dev);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_config);
+
+int rt2x00mac_config_interface(struct ieee80211_hw *hw, int if_id,
+ struct ieee80211_if_conf *conf)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ struct interface *intf = &rt2x00dev->interface;
+ int status;
+
+ /*
+ * If the device is not initialized we shouldn't accept
+ * any configuration changes. Mac80211 might be calling
+ * this function while we are trying to remove the device
+ * or perhaps suspending it.
+ */
+ if (!test_bit(DEVICE_INITIALIZED, &rt2x00dev->flags))
+ return 0;
+
+ /*
+ * Monitor mode does not need configuring.
+ * If the given type does not match the configured type,
+ * there has been a problem.
+ */
+ if (conf->type == IEEE80211_IF_TYPE_MNTR)
+ return 0;
+ else if (conf->type != intf->type)
+ return -EINVAL;
+
+ /*
+ * If the interface does not work in master mode,
+ * then the bssid value in the interface structure
+ * should now be set.
+ */
+ if (conf->type != IEEE80211_IF_TYPE_AP)
+ memcpy(&intf->bssid, conf->bssid, ETH_ALEN);
+ rt2x00lib_config_bssid(rt2x00dev, intf->bssid);
+
+ /*
+ * We only need to initialize the beacon when master mode is enabled.
+ */
+ if (conf->type != IEEE80211_IF_TYPE_AP || !conf->beacon)
+ return 0;
+
+ status = rt2x00dev->ops->hw->beacon_update(rt2x00dev->hw,
+ conf->beacon,
+ conf->beacon_control);
+ if (status)
+ dev_kfree_skb(conf->beacon);
+
+ return status;
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_config_interface);
+
+void rt2x00mac_set_multicast_list(struct ieee80211_hw *hw,
+ unsigned short flags, int mc_count)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+
+ /*
+ * Check if the new state is different then the old state.
+ */
+ if (rt2x00dev->interface.filter == flags)
+ return;
+
+ rt2x00dev->interface.filter = flags;
+
+ /*
+ * Raise the pending bit to indicate the
+ * packet filter should be updated.
+ */
+ __set_bit(PACKET_FILTER_PENDING, &rt2x00dev->flags);
+
+ /*
+ * Check if Packet filter actions are allowed in
+ * atomic context. If not, raise the pending flag and
+ * let it be.
+ */
+ if (!test_bit(PACKET_FILTER_SCHEDULED, &rt2x00dev->flags) ||
+ !in_atomic())
+ rt2x00lib_config_packet_filter(rt2x00dev, flags);
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_set_multicast_list);
+
+int rt2x00mac_get_stats(struct ieee80211_hw *hw,
+ struct ieee80211_low_level_stats *stats)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+
+ /*
+ * The dot11ACKFailureCount, dot11RTSFailureCount and
+ * dot11RTSSuccessCount are updated in interrupt time.
+ * dot11FCSErrorCount is updated in the link tuner.
+ */
+ memcpy(stats, &rt2x00dev->low_level_stats, sizeof(*stats));
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_get_stats);
+
+int rt2x00mac_get_tx_stats(struct ieee80211_hw *hw,
+ struct ieee80211_tx_queue_stats *stats)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ unsigned int i;
+
+ for (i = 0; i < hw->queues; i++)
+ memcpy(&stats->data[i], &rt2x00dev->tx[i].stats,
+ sizeof(rt2x00dev->tx[i].stats));
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_get_tx_stats);
+
+int rt2x00mac_conf_tx(struct ieee80211_hw *hw, int queue,
+ const struct ieee80211_tx_queue_params *params)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ struct data_ring *ring;
+
+ ring = rt2x00lib_get_ring(rt2x00dev, queue);
+ if (unlikely(!ring))
+ return -EINVAL;
+
+ /*
+ * The passed variables are stored as real value ((2^n)-1).
+ * Ralink registers require to know the bit number 'n'.
+ */
+ if (params->cw_min)
+ ring->tx_params.cw_min = fls(params->cw_min);
+ else
+ ring->tx_params.cw_min = 5; /* cw_min: 2^5 = 32. */
+
+ if (params->cw_max)
+ ring->tx_params.cw_max = fls(params->cw_max);
+ else
+ ring->tx_params.cw_max = 10; /* cw_min: 2^10 = 1024. */
+
+ if (params->aifs)
+ ring->tx_params.aifs = params->aifs;
+ else
+ ring->tx_params.aifs = 2;
+
+ INFO(rt2x00dev,
+ "Configured TX ring %d - CWmin: %d, CWmax: %d, Aifs: %d.\n",
+ queue, ring->tx_params.cw_min, ring->tx_params.cw_max,
+ ring->tx_params.aifs);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_conf_tx);
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
new file mode 100644
index 00000000000..85629f1999a
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -0,0 +1,481 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2x00pci
+ Abstract: rt2x00 generic pci device routines.
+ */
+
+/*
+ * Set enviroment defines for rt2x00.h
+ */
+#define DRV_NAME "rt2x00pci"
+
+#include <linux/dma-mapping.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+
+#include "rt2x00.h"
+#include "rt2x00pci.h"
+
+/*
+ * Beacon handlers.
+ */
+int rt2x00pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
+ struct ieee80211_tx_control *control)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ struct data_ring *ring =
+ rt2x00lib_get_ring(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
+ struct data_entry *entry = rt2x00_get_data_entry(ring);
+
+ /*
+ * Just in case mac80211 doesn't set this correctly,
+ * but we need this queue set for the descriptor
+ * initialization.
+ */
+ control->queue = IEEE80211_TX_QUEUE_BEACON;
+
+ /*
+ * Update the beacon entry.
+ */
+ memcpy(entry->data_addr, skb->data, skb->len);
+ rt2x00lib_write_tx_desc(rt2x00dev, entry->priv,
+ (struct ieee80211_hdr *)skb->data,
+ skb->len, control);
+
+ /*
+ * Enable beacon generation.
+ */
+ rt2x00dev->ops->lib->kick_tx_queue(rt2x00dev, control->queue);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_beacon_update);
+
+/*
+ * TX data handlers.
+ */
+int rt2x00pci_write_tx_data(struct rt2x00_dev *rt2x00dev,
+ struct data_ring *ring, struct sk_buff *skb,
+ struct ieee80211_tx_control *control)
+{
+ struct ieee80211_hdr *ieee80211hdr = (struct ieee80211_hdr *)skb->data;
+ struct data_entry *entry = rt2x00_get_data_entry(ring);
+ struct data_desc *txd = entry->priv;
+ u32 word;
+
+ if (rt2x00_ring_full(ring)) {
+ ieee80211_stop_queue(rt2x00dev->hw, control->queue);
+ return -EINVAL;
+ }
+
+ rt2x00_desc_read(txd, 0, &word);
+
+ if (rt2x00_get_field32(word, TXD_ENTRY_OWNER_NIC) ||
+ rt2x00_get_field32(word, TXD_ENTRY_VALID)) {
+ ERROR(rt2x00dev,
+ "Arrived at non-free entry in the non-full queue %d.\n"
+ "Please file bug report to %s.\n",
+ control->queue, DRV_PROJECT);
+ ieee80211_stop_queue(rt2x00dev->hw, control->queue);
+ return -EINVAL;
+ }
+
+ entry->skb = skb;
+ memcpy(&entry->tx_status.control, control, sizeof(*control));
+ memcpy(entry->data_addr, skb->data, skb->len);
+ rt2x00lib_write_tx_desc(rt2x00dev, txd, ieee80211hdr,
+ skb->len, control);
+
+ rt2x00_ring_index_inc(ring);
+
+ if (rt2x00_ring_full(ring))
+ ieee80211_stop_queue(rt2x00dev->hw, control->queue);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_write_tx_data);
+
+/*
+ * RX data handlers.
+ */
+void rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev)
+{
+ struct data_ring *ring = rt2x00dev->rx;
+ struct data_entry *entry;
+ struct data_desc *rxd;
+ struct sk_buff *skb;
+ u32 desc;
+ int retval;
+ int signal;
+ int rssi;
+ int ofdm;
+ int size;
+
+ while (1) {
+ entry = rt2x00_get_data_entry(ring);
+ rxd = entry->priv;
+ rt2x00_desc_read(rxd, 0, &desc);
+
+ if (rt2x00_get_field32(desc, RXD_ENTRY_OWNER_NIC))
+ break;
+
+ retval = rt2x00dev->ops->lib->fill_rxdone(entry, &signal,
+ &rssi, &ofdm, &size);
+ if (retval)
+ goto skip_entry;
+
+ /*
+ * Allocate the sk_buffer, initialize it and copy
+ * all data into it.
+ */
+ skb = dev_alloc_skb(size + NET_IP_ALIGN);
+ if (!skb)
+ return;
+
+ skb_reserve(skb, NET_IP_ALIGN);
+ skb_put(skb, size);
+ memcpy(skb->data, entry->data_addr, size);
+
+ /*
+ * Send the frame to rt2x00lib for further processing.
+ */
+ rt2x00lib_rxdone(entry, skb, signal, rssi, ofdm);
+
+skip_entry:
+ if (test_bit(DEVICE_ENABLED_RADIO, &ring->rt2x00dev->flags)) {
+ rt2x00_set_field32(&desc, RXD_ENTRY_OWNER_NIC, 1);
+ rt2x00_desc_write(rxd, 0, desc);
+ }
+
+ rt2x00_ring_index_inc(ring);
+ }
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_rxdone);
+
+/*
+ * Device initialization handlers.
+ */
+#define priv_offset(__ring, __i) \
+({ \
+ ring->data_addr + (i * ring->desc_size); \
+})
+
+#define data_addr_offset(__ring, __i) \
+({ \
+ (__ring)->data_addr + \
+ ((__ring)->stats.limit * (__ring)->desc_size) + \
+ ((__i) * (__ring)->data_size); \
+})
+
+#define data_dma_offset(__ring, __i) \
+({ \
+ (__ring)->data_dma + \
+ ((__ring)->stats.limit * (__ring)->desc_size) + \
+ ((__i) * (__ring)->data_size); \
+})
+
+static int rt2x00pci_alloc_dma(struct rt2x00_dev *rt2x00dev,
+ struct data_ring *ring)
+{
+ unsigned int i;
+
+ /*
+ * Allocate DMA memory for descriptor and buffer.
+ */
+ ring->data_addr = pci_alloc_consistent(rt2x00dev_pci(rt2x00dev),
+ rt2x00_get_ring_size(ring),
+ &ring->data_dma);
+ if (!ring->data_addr)
+ return -ENOMEM;
+
+ /*
+ * Initialize all ring entries to contain valid
+ * addresses.
+ */
+ for (i = 0; i < ring->stats.limit; i++) {
+ ring->entry[i].priv = priv_offset(ring, i);
+ ring->entry[i].data_addr = data_addr_offset(ring, i);
+ ring->entry[i].data_dma = data_dma_offset(ring, i);
+ }
+
+ return 0;
+}
+
+static void rt2x00pci_free_dma(struct rt2x00_dev *rt2x00dev,
+ struct data_ring *ring)
+{
+ if (ring->data_addr)
+ pci_free_consistent(rt2x00dev_pci(rt2x00dev),
+ rt2x00_get_ring_size(ring),
+ ring->data_addr, ring->data_dma);
+ ring->data_addr = NULL;
+}
+
+int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev)
+{
+ struct pci_dev *pci_dev = rt2x00dev_pci(rt2x00dev);
+ struct data_ring *ring;
+ int status;
+
+ /*
+ * Allocate DMA
+ */
+ ring_for_each(rt2x00dev, ring) {
+ status = rt2x00pci_alloc_dma(rt2x00dev, ring);
+ if (status)
+ goto exit;
+ }
+
+ /*
+ * Register interrupt handler.
+ */
+ status = request_irq(pci_dev->irq, rt2x00dev->ops->lib->irq_handler,
+ IRQF_SHARED, pci_name(pci_dev), rt2x00dev);
+ if (status) {
+ ERROR(rt2x00dev, "IRQ %d allocation failed (error %d).\n",
+ pci_dev->irq, status);
+ return status;
+ }
+
+ return 0;
+
+exit:
+ rt2x00pci_uninitialize(rt2x00dev);
+
+ return status;
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_initialize);
+
+void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev)
+{
+ struct data_ring *ring;
+
+ /*
+ * Free irq line.
+ */
+ free_irq(rt2x00dev_pci(rt2x00dev)->irq, rt2x00dev);
+
+ /*
+ * Free DMA
+ */
+ ring_for_each(rt2x00dev, ring)
+ rt2x00pci_free_dma(rt2x00dev, ring);
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_uninitialize);
+
+/*
+ * PCI driver handlers.
+ */
+static void rt2x00pci_free_reg(struct rt2x00_dev *rt2x00dev)
+{
+ kfree(rt2x00dev->rf);
+ rt2x00dev->rf = NULL;
+
+ kfree(rt2x00dev->eeprom);
+ rt2x00dev->eeprom = NULL;
+
+ if (rt2x00dev->csr_addr) {
+ iounmap(rt2x00dev->csr_addr);
+ rt2x00dev->csr_addr = NULL;
+ }
+}
+
+static int rt2x00pci_alloc_reg(struct rt2x00_dev *rt2x00dev)
+{
+ struct pci_dev *pci_dev = rt2x00dev_pci(rt2x00dev);
+
+ rt2x00dev->csr_addr = ioremap(pci_resource_start(pci_dev, 0),
+ pci_resource_len(pci_dev, 0));
+ if (!rt2x00dev->csr_addr)
+ goto exit;
+
+ rt2x00dev->eeprom = kzalloc(rt2x00dev->ops->eeprom_size, GFP_KERNEL);
+ if (!rt2x00dev->eeprom)
+ goto exit;
+
+ rt2x00dev->rf = kzalloc(rt2x00dev->ops->rf_size, GFP_KERNEL);
+ if (!rt2x00dev->rf)
+ goto exit;
+
+ return 0;
+
+exit:
+ ERROR_PROBE("Failed to allocate registers.\n");
+
+ rt2x00pci_free_reg(rt2x00dev);
+
+ return -ENOMEM;
+}
+
+int rt2x00pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
+{
+ struct rt2x00_ops *ops = (struct rt2x00_ops *)id->driver_data;
+ struct ieee80211_hw *hw;
+ struct rt2x00_dev *rt2x00dev;
+ int retval;
+
+ retval = pci_request_regions(pci_dev, pci_name(pci_dev));
+ if (retval) {
+ ERROR_PROBE("PCI request regions failed.\n");
+ return retval;
+ }
+
+ retval = pci_enable_device(pci_dev);
+ if (retval) {
+ ERROR_PROBE("Enable device failed.\n");
+ goto exit_release_regions;
+ }
+
+ pci_set_master(pci_dev);
+
+ if (pci_set_mwi(pci_dev))
+ ERROR_PROBE("MWI not available.\n");
+
+ if (pci_set_dma_mask(pci_dev, DMA_64BIT_MASK) &&
+ pci_set_dma_mask(pci_dev, DMA_32BIT_MASK)) {
+ ERROR_PROBE("PCI DMA not supported.\n");
+ retval = -EIO;
+ goto exit_disable_device;
+ }
+
+ hw = ieee80211_alloc_hw(sizeof(struct rt2x00_dev), ops->hw);
+ if (!hw) {
+ ERROR_PROBE("Failed to allocate hardware.\n");
+ retval = -ENOMEM;
+ goto exit_disable_device;
+ }
+
+ pci_set_drvdata(pci_dev, hw);
+
+ rt2x00dev = hw->priv;
+ rt2x00dev->dev = pci_dev;
+ rt2x00dev->ops = ops;
+ rt2x00dev->hw = hw;
+
+ retval = rt2x00pci_alloc_reg(rt2x00dev);
+ if (retval)
+ goto exit_free_device;
+
+ retval = rt2x00lib_probe_dev(rt2x00dev);
+ if (retval)
+ goto exit_free_reg;
+
+ return 0;
+
+exit_free_reg:
+ rt2x00pci_free_reg(rt2x00dev);
+
+exit_free_device:
+ ieee80211_free_hw(hw);
+
+exit_disable_device:
+ if (retval != -EBUSY)
+ pci_disable_device(pci_dev);
+
+exit_release_regions:
+ pci_release_regions(pci_dev);
+
+ pci_set_drvdata(pci_dev, NULL);
+
+ return retval;
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_probe);
+
+void rt2x00pci_remove(struct pci_dev *pci_dev)
+{
+ struct ieee80211_hw *hw = pci_get_drvdata(pci_dev);
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+
+ /*
+ * Free all allocated data.
+ */
+ rt2x00lib_remove_dev(rt2x00dev);
+ rt2x00pci_free_reg(rt2x00dev);
+ ieee80211_free_hw(hw);
+
+ /*
+ * Free the PCI device data.
+ */
+ pci_set_drvdata(pci_dev, NULL);
+ pci_disable_device(pci_dev);
+ pci_release_regions(pci_dev);
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_remove);
+
+#ifdef CONFIG_PM
+int rt2x00pci_suspend(struct pci_dev *pci_dev, pm_message_t state)
+{
+ struct ieee80211_hw *hw = pci_get_drvdata(pci_dev);
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ int retval;
+
+ retval = rt2x00lib_suspend(rt2x00dev, state);
+ if (retval)
+ return retval;
+
+ rt2x00pci_free_reg(rt2x00dev);
+
+ pci_save_state(pci_dev);
+ pci_disable_device(pci_dev);
+ return pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_suspend);
+
+int rt2x00pci_resume(struct pci_dev *pci_dev)
+{
+ struct ieee80211_hw *hw = pci_get_drvdata(pci_dev);
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ int retval;
+
+ if (pci_set_power_state(pci_dev, PCI_D0) ||
+ pci_enable_device(pci_dev) ||
+ pci_restore_state(pci_dev)) {
+ ERROR(rt2x00dev, "Failed to resume device.\n");
+ return -EIO;
+ }
+
+ retval = rt2x00pci_alloc_reg(rt2x00dev);
+ if (retval)
+ return retval;
+
+ retval = rt2x00lib_resume(rt2x00dev);
+ if (retval)
+ goto exit_free_reg;
+
+ return 0;
+
+exit_free_reg:
+ rt2x00pci_free_reg(rt2x00dev);
+
+ return retval;
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_resume);
+#endif /* CONFIG_PM */
+
+/*
+ * rt2x00pci module information.
+ */
+MODULE_AUTHOR(DRV_PROJECT);
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("rt2x00 library");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.h b/drivers/net/wireless/rt2x00/rt2x00pci.h
new file mode 100644
index 00000000000..82adeac061d
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.h
@@ -0,0 +1,127 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2x00pci
+ Abstract: Data structures for the rt2x00pci module.
+ */
+
+#ifndef RT2X00PCI_H
+#define RT2X00PCI_H
+
+#include <linux/io.h>
+
+/*
+ * This variable should be used with the
+ * pci_driver structure initialization.
+ */
+#define PCI_DEVICE_DATA(__ops) .driver_data = (kernel_ulong_t)(__ops)
+
+/*
+ * Register defines.
+ * Some registers require multiple attempts before success,
+ * in those cases REGISTER_BUSY_COUNT attempts should be
+ * taken with a REGISTER_BUSY_DELAY interval.
+ */
+#define REGISTER_BUSY_COUNT 5
+#define REGISTER_BUSY_DELAY 100
+
+/*
+ * Descriptor availability flags.
+ * All PCI device descriptors have these 2 flags
+ * with the exact same definition.
+ * By storing them here we can use them inside rt2x00pci
+ * for some simple entry availability checking.
+ */
+#define TXD_ENTRY_OWNER_NIC FIELD32(0x00000001)
+#define TXD_ENTRY_VALID FIELD32(0x00000002)
+#define RXD_ENTRY_OWNER_NIC FIELD32(0x00000001)
+
+/*
+ * Register access.
+ */
+static inline void rt2x00pci_register_read(const struct rt2x00_dev *rt2x00dev,
+ const unsigned long offset,
+ u32 *value)
+{
+ *value = readl(rt2x00dev->csr_addr + offset);
+}
+
+static inline void
+rt2x00pci_register_multiread(const struct rt2x00_dev *rt2x00dev,
+ const unsigned long offset,
+ void *value, const u16 length)
+{
+ memcpy_fromio(value, rt2x00dev->csr_addr + offset, length);
+}
+
+static inline void rt2x00pci_register_write(const struct rt2x00_dev *rt2x00dev,
+ const unsigned long offset,
+ u32 value)
+{
+ writel(value, rt2x00dev->csr_addr + offset);
+}
+
+static inline void
+rt2x00pci_register_multiwrite(const struct rt2x00_dev *rt2x00dev,
+ const unsigned long offset,
+ void *value, const u16 length)
+{
+ memcpy_toio(rt2x00dev->csr_addr + offset, value, length);
+}
+
+/*
+ * Beacon handlers.
+ */
+int rt2x00pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
+ struct ieee80211_tx_control *control);
+
+/*
+ * TX data handlers.
+ */
+int rt2x00pci_write_tx_data(struct rt2x00_dev *rt2x00dev,
+ struct data_ring *ring, struct sk_buff *skb,
+ struct ieee80211_tx_control *control);
+
+/*
+ * RX data handlers.
+ */
+void rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev);
+
+/*
+ * Device initialization handlers.
+ */
+int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev);
+void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev);
+
+/*
+ * PCI driver handlers.
+ */
+int rt2x00pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id);
+void rt2x00pci_remove(struct pci_dev *pci_dev);
+#ifdef CONFIG_PM
+int rt2x00pci_suspend(struct pci_dev *pci_dev, pm_message_t state);
+int rt2x00pci_resume(struct pci_dev *pci_dev);
+#else
+#define rt2x00pci_suspend NULL
+#define rt2x00pci_resume NULL
+#endif /* CONFIG_PM */
+
+#endif /* RT2X00PCI_H */
diff --git a/drivers/net/wireless/rt2x00/rt2x00reg.h b/drivers/net/wireless/rt2x00/rt2x00reg.h
new file mode 100644
index 00000000000..7927d5f7bcc
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00reg.h
@@ -0,0 +1,283 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2x00
+ Abstract: rt2x00 generic register information.
+ */
+
+#ifndef RT2X00REG_H
+#define RT2X00REG_H
+
+/*
+ * TX result flags.
+ */
+enum TX_STATUS {
+ TX_SUCCESS = 0,
+ TX_SUCCESS_RETRY = 1,
+ TX_FAIL_RETRY = 2,
+ TX_FAIL_INVALID = 3,
+ TX_FAIL_OTHER = 4,
+};
+
+/*
+ * Antenna values
+ */
+enum antenna {
+ ANTENNA_SW_DIVERSITY = 0,
+ ANTENNA_A = 1,
+ ANTENNA_B = 2,
+ ANTENNA_HW_DIVERSITY = 3,
+};
+
+/*
+ * Led mode values.
+ */
+enum led_mode {
+ LED_MODE_DEFAULT = 0,
+ LED_MODE_TXRX_ACTIVITY = 1,
+ LED_MODE_SIGNAL_STRENGTH = 2,
+ LED_MODE_ASUS = 3,
+ LED_MODE_ALPHA = 4,
+};
+
+/*
+ * Device states
+ */
+enum dev_state {
+ STATE_DEEP_SLEEP = 0,
+ STATE_SLEEP = 1,
+ STATE_STANDBY = 2,
+ STATE_AWAKE = 3,
+
+/*
+ * Additional device states, these values are
+ * not strict since they are not directly passed
+ * into the device.
+ */
+ STATE_RADIO_ON,
+ STATE_RADIO_OFF,
+ STATE_RADIO_RX_ON,
+ STATE_RADIO_RX_OFF,
+ STATE_RADIO_IRQ_ON,
+ STATE_RADIO_IRQ_OFF,
+};
+
+/*
+ * IFS backoff values
+ */
+enum ifs {
+ IFS_BACKOFF = 0,
+ IFS_SIFS = 1,
+ IFS_NEW_BACKOFF = 2,
+ IFS_NONE = 3,
+};
+
+/*
+ * Cipher types for hardware encryption
+ */
+enum cipher {
+ CIPHER_NONE = 0,
+ CIPHER_WEP64 = 1,
+ CIPHER_WEP128 = 2,
+ CIPHER_TKIP = 3,
+ CIPHER_AES = 4,
+/*
+ * The following fields were added by rt61pci and rt73usb.
+ */
+ CIPHER_CKIP64 = 5,
+ CIPHER_CKIP128 = 6,
+ CIPHER_TKIP_NO_MIC = 7,
+};
+
+/*
+ * Register handlers.
+ * We store the position of a register field inside a field structure,
+ * This will simplify the process of setting and reading a certain field
+ * inside the register while making sure the process remains byte order safe.
+ */
+struct rt2x00_field8 {
+ u8 bit_offset;
+ u8 bit_mask;
+};
+
+struct rt2x00_field16 {
+ u16 bit_offset;
+ u16 bit_mask;
+};
+
+struct rt2x00_field32 {
+ u32 bit_offset;
+ u32 bit_mask;
+};
+
+/*
+ * Power of two check, this will check
+ * if the mask that has been given contains
+ * and contiguous set of bits.
+ */
+#define is_power_of_two(x) ( !((x) & ((x)-1)) )
+#define low_bit_mask(x) ( ((x)-1) & ~(x) )
+#define is_valid_mask(x) is_power_of_two(1 + (x) + low_bit_mask(x))
+
+#define FIELD8(__mask) \
+({ \
+ BUILD_BUG_ON(!(__mask) || \
+ !is_valid_mask(__mask) || \
+ (__mask) != (u8)(__mask)); \
+ (struct rt2x00_field8) { \
+ __ffs(__mask), (__mask) \
+ }; \
+})
+
+#define FIELD16(__mask) \
+({ \
+ BUILD_BUG_ON(!(__mask) || \
+ !is_valid_mask(__mask) || \
+ (__mask) != (u16)(__mask));\
+ (struct rt2x00_field16) { \
+ __ffs(__mask), (__mask) \
+ }; \
+})
+
+#define FIELD32(__mask) \
+({ \
+ BUILD_BUG_ON(!(__mask) || \
+ !is_valid_mask(__mask) || \
+ (__mask) != (u32)(__mask));\
+ (struct rt2x00_field32) { \
+ __ffs(__mask), (__mask) \
+ }; \
+})
+
+static inline void rt2x00_set_field32(u32 *reg,
+ const struct rt2x00_field32 field,
+ const u32 value)
+{
+ *reg &= ~(field.bit_mask);
+ *reg |= (value << field.bit_offset) & field.bit_mask;
+}
+
+static inline u32 rt2x00_get_field32(const u32 reg,
+ const struct rt2x00_field32 field)
+{
+ return (reg & field.bit_mask) >> field.bit_offset;
+}
+
+static inline void rt2x00_set_field16(u16 *reg,
+ const struct rt2x00_field16 field,
+ const u16 value)
+{
+ *reg &= ~(field.bit_mask);
+ *reg |= (value << field.bit_offset) & field.bit_mask;
+}
+
+static inline u16 rt2x00_get_field16(const u16 reg,
+ const struct rt2x00_field16 field)
+{
+ return (reg & field.bit_mask) >> field.bit_offset;
+}
+
+static inline void rt2x00_set_field8(u8 *reg,
+ const struct rt2x00_field8 field,
+ const u8 value)
+{
+ *reg &= ~(field.bit_mask);
+ *reg |= (value << field.bit_offset) & field.bit_mask;
+}
+
+static inline u8 rt2x00_get_field8(const u8 reg,
+ const struct rt2x00_field8 field)
+{
+ return (reg & field.bit_mask) >> field.bit_offset;
+}
+
+/*
+ * Device specific rate value.
+ * We will have to create the device specific rate value
+ * passed to the ieee80211 kernel. We need to make it a consist of
+ * multiple fields because we want to store more then 1 device specific
+ * values inside the value.
+ * 1 - rate, stored as 100 kbit/s.
+ * 2 - preamble, short_preamble enabled flag.
+ * 3 - MASK_RATE, which rates are enabled in this mode, this mask
+ * corresponds with the TX register format for the current device.
+ * 4 - plcp, 802.11b rates are device specific,
+ * 802.11g rates are set according to the ieee802.11a-1999 p.14.
+ * The bit to enable preamble is set in a seperate define.
+ */
+#define DEV_RATE FIELD32(0x000007ff)
+#define DEV_PREAMBLE FIELD32(0x00000800)
+#define DEV_RATEMASK FIELD32(0x00fff000)
+#define DEV_PLCP FIELD32(0xff000000)
+
+/*
+ * Bitfields
+ */
+#define DEV_RATEBIT_1MB ( 1 << 0 )
+#define DEV_RATEBIT_2MB ( 1 << 1 )
+#define DEV_RATEBIT_5_5MB ( 1 << 2 )
+#define DEV_RATEBIT_11MB ( 1 << 3 )
+#define DEV_RATEBIT_6MB ( 1 << 4 )
+#define DEV_RATEBIT_9MB ( 1 << 5 )
+#define DEV_RATEBIT_12MB ( 1 << 6 )
+#define DEV_RATEBIT_18MB ( 1 << 7 )
+#define DEV_RATEBIT_24MB ( 1 << 8 )
+#define DEV_RATEBIT_36MB ( 1 << 9 )
+#define DEV_RATEBIT_48MB ( 1 << 10 )
+#define DEV_RATEBIT_54MB ( 1 << 11 )
+
+/*
+ * Bitmasks for DEV_RATEMASK
+ */
+#define DEV_RATEMASK_1MB ( (DEV_RATEBIT_1MB << 1) -1 )
+#define DEV_RATEMASK_2MB ( (DEV_RATEBIT_2MB << 1) -1 )
+#define DEV_RATEMASK_5_5MB ( (DEV_RATEBIT_5_5MB << 1) -1 )
+#define DEV_RATEMASK_11MB ( (DEV_RATEBIT_11MB << 1) -1 )
+#define DEV_RATEMASK_6MB ( (DEV_RATEBIT_6MB << 1) -1 )
+#define DEV_RATEMASK_9MB ( (DEV_RATEBIT_9MB << 1) -1 )
+#define DEV_RATEMASK_12MB ( (DEV_RATEBIT_12MB << 1) -1 )
+#define DEV_RATEMASK_18MB ( (DEV_RATEBIT_18MB << 1) -1 )
+#define DEV_RATEMASK_24MB ( (DEV_RATEBIT_24MB << 1) -1 )
+#define DEV_RATEMASK_36MB ( (DEV_RATEBIT_36MB << 1) -1 )
+#define DEV_RATEMASK_48MB ( (DEV_RATEBIT_48MB << 1) -1 )
+#define DEV_RATEMASK_54MB ( (DEV_RATEBIT_54MB << 1) -1 )
+
+/*
+ * Bitmask groups of bitrates
+ */
+#define DEV_BASIC_RATEMASK \
+ ( DEV_RATEMASK_11MB | \
+ DEV_RATEBIT_6MB | DEV_RATEBIT_12MB | DEV_RATEBIT_24MB )
+
+#define DEV_CCK_RATEMASK ( DEV_RATEMASK_11MB )
+#define DEV_OFDM_RATEMASK ( DEV_RATEMASK_54MB & ~DEV_CCK_RATEMASK )
+
+/*
+ * Macro's to set and get specific fields from the device specific val and val2
+ * fields inside the ieee80211_rate entry.
+ */
+#define DEVICE_SET_RATE_FIELD(__value, __mask) \
+ (int)( ((__value) << DEV_##__mask.bit_offset) & DEV_##__mask.bit_mask )
+
+#define DEVICE_GET_RATE_FIELD(__value, __mask) \
+ (int)( ((__value) & DEV_##__mask.bit_mask) >> DEV_##__mask.bit_offset )
+
+#endif /* RT2X00REG_H */
diff --git a/drivers/net/wireless/rt2x00/rt2x00rfkill.c b/drivers/net/wireless/rt2x00/rt2x00rfkill.c
new file mode 100644
index 00000000000..dc5b696f475
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00rfkill.c
@@ -0,0 +1,148 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2x00rfkill
+ Abstract: rt2x00 rfkill routines.
+ */
+
+/*
+ * Set enviroment defines for rt2x00.h
+ */
+#define DRV_NAME "rt2x00lib"
+
+#include <linux/input-polldev.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/rfkill.h>
+
+#include "rt2x00.h"
+#include "rt2x00lib.h"
+
+static int rt2x00rfkill_toggle_radio(void *data, enum rfkill_state state)
+{
+ struct rt2x00_dev *rt2x00dev = data;
+ int retval = 0;
+
+ if (unlikely(!rt2x00dev))
+ return 0;
+
+ /*
+ * Only continue if we have an active interface,
+ * either monitor or non-monitor should be present.
+ */
+ if (!is_interface_present(&rt2x00dev->interface) &&
+ !is_monitor_present(&rt2x00dev->interface))
+ return 0;
+
+ if (state == RFKILL_STATE_ON) {
+ INFO(rt2x00dev, "Hardware button pressed, enabling radio.\n");
+ __set_bit(DEVICE_ENABLED_RADIO_HW, &rt2x00dev->flags);
+ retval = rt2x00lib_enable_radio(rt2x00dev);
+ } else if (state == RFKILL_STATE_OFF) {
+ INFO(rt2x00dev, "Hardware button pressed, disabling radio.\n");
+ __clear_bit(DEVICE_ENABLED_RADIO_HW, &rt2x00dev->flags);
+ rt2x00lib_disable_radio(rt2x00dev);
+ }
+
+ return retval;
+}
+
+static void rt2x00rfkill_poll(struct input_polled_dev *poll_dev)
+{
+ struct rt2x00_dev *rt2x00dev = poll_dev->private;
+ int state = rt2x00dev->ops->lib->rfkill_poll(rt2x00dev);
+
+ if (rt2x00dev->rfkill->state != state)
+ input_report_key(poll_dev->input, KEY_WLAN, 1);
+}
+
+int rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev)
+{
+ int retval;
+
+ if (!test_bit(DEVICE_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
+ return 0;
+
+ retval = rfkill_register(rt2x00dev->rfkill);
+ if (retval) {
+ ERROR(rt2x00dev, "Failed to register rfkill handler.\n");
+ return retval;
+ }
+
+ retval = input_register_polled_device(rt2x00dev->poll_dev);
+ if (retval) {
+ ERROR(rt2x00dev, "Failed to register polled device.\n");
+ rfkill_unregister(rt2x00dev->rfkill);
+ return retval;
+ }
+
+ return 0;
+}
+
+void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev)
+{
+ if (!test_bit(DEVICE_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
+ return;
+
+ input_unregister_polled_device(rt2x00dev->poll_dev);
+ rfkill_unregister(rt2x00dev->rfkill);
+}
+
+int rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev)
+{
+ struct device *device = wiphy_dev(rt2x00dev->hw->wiphy);
+
+ if (!test_bit(DEVICE_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
+ return 0;
+
+ rt2x00dev->rfkill = rfkill_allocate(device, RFKILL_TYPE_WLAN);
+ if (!rt2x00dev->rfkill) {
+ ERROR(rt2x00dev, "Failed to allocate rfkill handler.\n");
+ return -ENOMEM;
+ }
+
+ rt2x00dev->rfkill->name = rt2x00dev->ops->name;
+ rt2x00dev->rfkill->data = rt2x00dev;
+ rt2x00dev->rfkill->state = rt2x00dev->ops->lib->rfkill_poll(rt2x00dev);
+ rt2x00dev->rfkill->toggle_radio = rt2x00rfkill_toggle_radio;
+
+ rt2x00dev->poll_dev = input_allocate_polled_device();
+ if (!rt2x00dev->poll_dev) {
+ ERROR(rt2x00dev, "Failed to allocate polled device.\n");
+ rfkill_free(rt2x00dev->rfkill);
+ return -ENOMEM;
+ }
+
+ rt2x00dev->poll_dev->private = rt2x00dev;
+ rt2x00dev->poll_dev->poll = rt2x00rfkill_poll;
+ rt2x00dev->poll_dev->poll_interval = RFKILL_POLL_INTERVAL;
+
+ return 0;
+}
+
+void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev)
+{
+ if (!test_bit(DEVICE_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
+ return;
+
+ input_free_polled_device(rt2x00dev->poll_dev);
+ rfkill_free(rt2x00dev->rfkill);
+}
diff --git a/drivers/net/wireless/rt2x00/rt2x00ring.h b/drivers/net/wireless/rt2x00/rt2x00ring.h
new file mode 100644
index 00000000000..122c75248e7
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00ring.h
@@ -0,0 +1,255 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2x00
+ Abstract: rt2x00 ring datastructures and routines
+ */
+
+#ifndef RT2X00RING_H
+#define RT2X00RING_H
+
+/*
+ * data_desc
+ * Each data entry also contains a descriptor which is used by the
+ * device to determine what should be done with the packet and
+ * what the current status is.
+ * This structure is greatly simplified, but the descriptors
+ * are basically a list of little endian 32 bit values.
+ * Make the array by default 1 word big, this will allow us
+ * to use sizeof() correctly.
+ */
+struct data_desc {
+ __le32 word[1];
+};
+
+/*
+ * data_entry_desc
+ * Summary of information that should be written into the
+ * descriptor for sending a TX frame.
+ */
+struct data_entry_desc {
+ unsigned long flags;
+#define ENTRY_TXDONE 1
+#define ENTRY_TXD_RTS_FRAME 2
+#define ENTRY_TXD_OFDM_RATE 3
+#define ENTRY_TXD_MORE_FRAG 4
+#define ENTRY_TXD_REQ_TIMESTAMP 5
+#define ENTRY_TXD_BURST 6
+
+/*
+ * Queue ID. ID's 0-4 are data TX rings
+ */
+ int queue;
+#define QUEUE_MGMT 13
+#define QUEUE_RX 14
+#define QUEUE_OTHER 15
+
+ /*
+ * PLCP values.
+ */
+ u16 length_high;
+ u16 length_low;
+ u16 signal;
+ u16 service;
+
+ /*
+ * Timing information
+ */
+ int aifs;
+ int ifs;
+ int cw_min;
+ int cw_max;
+};
+
+/*
+ * data_entry
+ * The data ring is a list of data entries.
+ * Each entry holds a reference to the descriptor
+ * and the data buffer. For TX rings the reference to the
+ * sk_buff of the packet being transmitted is also stored here.
+ */
+struct data_entry {
+ /*
+ * Status flags
+ */
+ unsigned long flags;
+#define ENTRY_OWNER_NIC 1
+
+ /*
+ * Ring we belong to.
+ */
+ struct data_ring *ring;
+
+ /*
+ * sk_buff for the packet which is being transmitted
+ * in this entry (Only used with TX related rings).
+ */
+ struct sk_buff *skb;
+
+ /*
+ * Store a ieee80211_tx_status structure in each
+ * ring entry, this will optimize the txdone
+ * handler.
+ */
+ struct ieee80211_tx_status tx_status;
+
+ /*
+ * private pointer specific to driver.
+ */
+ void *priv;
+
+ /*
+ * Data address for this entry.
+ */
+ void *data_addr;
+ dma_addr_t data_dma;
+};
+
+/*
+ * data_ring
+ * Data rings are used by the device to send and receive packets.
+ * The data_addr is the base address of the data memory.
+ * To determine at which point in the ring we are,
+ * have to use the rt2x00_ring_index_*() functions.
+ */
+struct data_ring {
+ /*
+ * Pointer to main rt2x00dev structure where this
+ * ring belongs to.
+ */
+ struct rt2x00_dev *rt2x00dev;
+
+ /*
+ * Base address for the device specific data entries.
+ */
+ struct data_entry *entry;
+
+ /*
+ * TX queue statistic info.
+ */
+ struct ieee80211_tx_queue_stats_data stats;
+
+ /*
+ * TX Queue parameters.
+ */
+ struct ieee80211_tx_queue_params tx_params;
+
+ /*
+ * Base address for data ring.
+ */
+ dma_addr_t data_dma;
+ void *data_addr;
+
+ /*
+ * Index variables.
+ */
+ u16 index;
+ u16 index_done;
+
+ /*
+ * Size of packet and descriptor in bytes.
+ */
+ u16 data_size;
+ u16 desc_size;
+};
+
+/*
+ * Handlers to determine the address of the current device specific
+ * data entry, where either index or index_done points to.
+ */
+static inline struct data_entry *rt2x00_get_data_entry(struct data_ring *ring)
+{
+ return &ring->entry[ring->index];
+}
+
+static inline struct data_entry *rt2x00_get_data_entry_done(struct data_ring
+ *ring)
+{
+ return &ring->entry[ring->index_done];
+}
+
+/*
+ * Total ring memory
+ */
+static inline int rt2x00_get_ring_size(struct data_ring *ring)
+{
+ return ring->stats.limit * (ring->desc_size + ring->data_size);
+}
+
+/*
+ * Ring index manipulation functions.
+ */
+static inline void rt2x00_ring_index_inc(struct data_ring *ring)
+{
+ ring->index++;
+ if (ring->index >= ring->stats.limit)
+ ring->index = 0;
+ ring->stats.len++;
+}
+
+static inline void rt2x00_ring_index_done_inc(struct data_ring *ring)
+{
+ ring->index_done++;
+ if (ring->index_done >= ring->stats.limit)
+ ring->index_done = 0;
+ ring->stats.len--;
+ ring->stats.count++;
+}
+
+static inline void rt2x00_ring_index_clear(struct data_ring *ring)
+{
+ ring->index = 0;
+ ring->index_done = 0;
+ ring->stats.len = 0;
+ ring->stats.count = 0;
+}
+
+static inline int rt2x00_ring_empty(struct data_ring *ring)
+{
+ return ring->stats.len == 0;
+}
+
+static inline int rt2x00_ring_full(struct data_ring *ring)
+{
+ return ring->stats.len == ring->stats.limit;
+}
+
+static inline int rt2x00_ring_free(struct data_ring *ring)
+{
+ return ring->stats.limit - ring->stats.len;
+}
+
+/*
+ * TX/RX Descriptor access functions.
+ */
+static inline void rt2x00_desc_read(struct data_desc *desc,
+ const u8 word, u32 *value)
+{
+ *value = le32_to_cpu(desc->word[word]);
+}
+
+static inline void rt2x00_desc_write(struct data_desc *desc,
+ const u8 word, const u32 value)
+{
+ desc->word[word] = cpu_to_le32(value);
+}
+
+#endif /* RT2X00RING_H */
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c
new file mode 100644
index 00000000000..a0f05ca54bb
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.c
@@ -0,0 +1,595 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2x00usb
+ Abstract: rt2x00 generic usb device routines.
+ */
+
+/*
+ * Set enviroment defines for rt2x00.h
+ */
+#define DRV_NAME "rt2x00usb"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+
+#include "rt2x00.h"
+#include "rt2x00usb.h"
+
+/*
+ * Interfacing with the HW.
+ */
+int rt2x00usb_vendor_request(const struct rt2x00_dev *rt2x00dev,
+ const u8 request, const u8 requesttype,
+ const u16 offset, const u16 value,
+ void *buffer, const u16 buffer_length,
+ u16 timeout)
+{
+ struct usb_device *usb_dev =
+ interface_to_usbdev(rt2x00dev_usb(rt2x00dev));
+ int status;
+ unsigned int i;
+ unsigned int pipe =
+ (requesttype == USB_VENDOR_REQUEST_IN) ?
+ usb_rcvctrlpipe(usb_dev, 0) : usb_sndctrlpipe(usb_dev, 0);
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ status = usb_control_msg(usb_dev, pipe, request, requesttype,
+ value, offset, buffer, buffer_length,
+ timeout);
+ if (status >= 0)
+ return 0;
+
+ /*
+ * Check for errors,
+ * -ETIMEDOUT: We need a bit more time to complete.
+ * -ENODEV: Device has disappeared, no point continuing.
+ */
+ if (status == -ETIMEDOUT)
+ timeout *= 2;
+ else if (status == -ENODEV)
+ break;
+ }
+
+ ERROR(rt2x00dev,
+ "Vendor Request 0x%02x failed for offset 0x%04x with error %d.\n",
+ request, offset, status);
+
+ return status;
+}
+EXPORT_SYMBOL_GPL(rt2x00usb_vendor_request);
+
+int rt2x00usb_vendor_request_buff(const struct rt2x00_dev *rt2x00dev,
+ const u8 request, const u8 requesttype,
+ const u16 offset, void *buffer,
+ const u16 buffer_length, u16 timeout)
+{
+ int status;
+
+ /*
+ * Check for Cache availability.
+ */
+ if (unlikely(!rt2x00dev->csr_cache || buffer_length > CSR_CACHE_SIZE)) {
+ ERROR(rt2x00dev, "CSR cache not available.\n");
+ return -ENOMEM;
+ }
+
+ if (requesttype == USB_VENDOR_REQUEST_OUT)
+ memcpy(rt2x00dev->csr_cache, buffer, buffer_length);
+
+ status = rt2x00usb_vendor_request(rt2x00dev, request, requesttype,
+ offset, 0, rt2x00dev->csr_cache,
+ buffer_length, timeout);
+
+ if (!status && requesttype == USB_VENDOR_REQUEST_IN)
+ memcpy(buffer, rt2x00dev->csr_cache, buffer_length);
+
+ return status;
+}
+EXPORT_SYMBOL_GPL(rt2x00usb_vendor_request_buff);
+
+/*
+ * TX data handlers.
+ */
+static void rt2x00usb_interrupt_txdone(struct urb *urb)
+{
+ struct data_entry *entry = (struct data_entry *)urb->context;
+ struct data_ring *ring = entry->ring;
+ struct rt2x00_dev *rt2x00dev = ring->rt2x00dev;
+ struct data_desc *txd = (struct data_desc *)entry->skb->data;
+ u32 word;
+ int tx_status;
+
+ if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags) ||
+ !__test_and_clear_bit(ENTRY_OWNER_NIC, &entry->flags))
+ return;
+
+ rt2x00_desc_read(txd, 0, &word);
+
+ /*
+ * Remove the descriptor data from the buffer.
+ */
+ skb_pull(entry->skb, ring->desc_size);
+
+ /*
+ * Obtain the status about this packet.
+ */
+ tx_status = !urb->status ? TX_SUCCESS : TX_FAIL_RETRY;
+
+ rt2x00lib_txdone(entry, tx_status, 0);
+
+ /*
+ * Make this entry available for reuse.
+ */
+ entry->flags = 0;
+ rt2x00_ring_index_done_inc(entry->ring);
+
+ /*
+ * If the data ring was full before the txdone handler
+ * we must make sure the packet queue in the mac80211 stack
+ * is reenabled when the txdone handler has finished.
+ */
+ if (!rt2x00_ring_full(ring))
+ ieee80211_wake_queue(rt2x00dev->hw,
+ entry->tx_status.control.queue);
+}
+
+int rt2x00usb_write_tx_data(struct rt2x00_dev *rt2x00dev,
+ struct data_ring *ring, struct sk_buff *skb,
+ struct ieee80211_tx_control *control)
+{
+ struct usb_device *usb_dev =
+ interface_to_usbdev(rt2x00dev_usb(rt2x00dev));
+ struct ieee80211_hdr *ieee80211hdr = (struct ieee80211_hdr *)skb->data;
+ struct data_entry *entry = rt2x00_get_data_entry(ring);
+ u32 length = skb->len;
+
+ if (rt2x00_ring_full(ring)) {
+ ieee80211_stop_queue(rt2x00dev->hw, control->queue);
+ return -EINVAL;
+ }
+
+ if (test_bit(ENTRY_OWNER_NIC, &entry->flags)) {
+ ERROR(rt2x00dev,
+ "Arrived at non-free entry in the non-full queue %d.\n"
+ "Please file bug report to %s.\n",
+ control->queue, DRV_PROJECT);
+ ieee80211_stop_queue(rt2x00dev->hw, control->queue);
+ return -EINVAL;
+ }
+
+ /*
+ * Add the descriptor in front of the skb.
+ */
+ skb_push(skb, rt2x00dev->hw->extra_tx_headroom);
+ memset(skb->data, 0x00, rt2x00dev->hw->extra_tx_headroom);
+
+ rt2x00lib_write_tx_desc(rt2x00dev, (struct data_desc *)skb->data,
+ ieee80211hdr, length, control);
+ memcpy(&entry->tx_status.control, control, sizeof(*control));
+ entry->skb = skb;
+
+ /*
+ * Length passed to usb_fill_urb cannot be an odd number,
+ * so add 1 byte to make it even.
+ */
+ length += rt2x00dev->hw->extra_tx_headroom;
+ if (length % 2)
+ length++;
+
+ __set_bit(ENTRY_OWNER_NIC, &entry->flags);
+ usb_fill_bulk_urb(entry->priv, usb_dev,
+ usb_sndbulkpipe(usb_dev, 1),
+ skb->data, length, rt2x00usb_interrupt_txdone, entry);
+ usb_submit_urb(entry->priv, GFP_ATOMIC);
+
+ rt2x00_ring_index_inc(ring);
+
+ if (rt2x00_ring_full(ring))
+ ieee80211_stop_queue(rt2x00dev->hw, control->queue);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00usb_write_tx_data);
+
+/*
+ * RX data handlers.
+ */
+static void rt2x00usb_interrupt_rxdone(struct urb *urb)
+{
+ struct data_entry *entry = (struct data_entry *)urb->context;
+ struct data_ring *ring = entry->ring;
+ struct rt2x00_dev *rt2x00dev = ring->rt2x00dev;
+ struct sk_buff *skb;
+ int retval;
+ int signal;
+ int rssi;
+ int ofdm;
+ int size;
+ int frame_size;
+
+ if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags) ||
+ !test_and_clear_bit(ENTRY_OWNER_NIC, &entry->flags))
+ return;
+
+ /*
+ * Check if the received data is simply too small
+ * to be actually valid, or if the urb is signaling
+ * a problem.
+ */
+ if (urb->actual_length < entry->ring->desc_size || urb->status)
+ goto skip_entry;
+
+ retval = rt2x00dev->ops->lib->fill_rxdone(entry, &signal, &rssi,
+ &ofdm, &size);
+ if (retval)
+ goto skip_entry;
+
+ /*
+ * Allocate a new sk buffer to replace the current one.
+ * If allocation fails, we should drop the current frame
+ * so we can recycle the existing sk buffer for the new frame.
+ */
+ frame_size = entry->ring->data_size + entry->ring->desc_size;
+ skb = dev_alloc_skb(frame_size + NET_IP_ALIGN);
+ if (!skb)
+ goto skip_entry;
+
+ skb_reserve(skb, NET_IP_ALIGN);
+ skb_put(skb, frame_size);
+
+ /*
+ * Trim the skb_buffer to only contain the valid
+ * frame data (so ignore the device's descriptor).
+ */
+ skb_trim(entry->skb, size);
+
+ /*
+ * Send the frame to rt2x00lib for further processing.
+ */
+ rt2x00lib_rxdone(entry, entry->skb, signal, rssi, ofdm);
+
+ /*
+ * Replace current entry's skb with the newly allocated one,
+ * and reinitialize the urb.
+ */
+ entry->skb = skb;
+ urb->transfer_buffer = entry->skb->data;
+ urb->transfer_buffer_length = entry->skb->len;
+
+skip_entry:
+ if (test_bit(DEVICE_ENABLED_RADIO, &ring->rt2x00dev->flags)) {
+ __set_bit(ENTRY_OWNER_NIC, &entry->flags);
+ usb_submit_urb(urb, GFP_ATOMIC);
+ }
+
+ rt2x00_ring_index_inc(ring);
+}
+
+/*
+ * Radio handlers
+ */
+void rt2x00usb_enable_radio(struct rt2x00_dev *rt2x00dev)
+{
+ struct usb_device *usb_dev =
+ interface_to_usbdev(rt2x00dev_usb(rt2x00dev));
+ struct data_ring *ring;
+ struct data_entry *entry;
+ unsigned int i;
+
+ /*
+ * Initialize the TX rings
+ */
+ txringall_for_each(rt2x00dev, ring) {
+ for (i = 0; i < ring->stats.limit; i++)
+ ring->entry[i].flags = 0;
+
+ rt2x00_ring_index_clear(ring);
+ }
+
+ /*
+ * Initialize and start the RX ring.
+ */
+ rt2x00_ring_index_clear(rt2x00dev->rx);
+
+ for (i = 0; i < rt2x00dev->rx->stats.limit; i++) {
+ entry = &rt2x00dev->rx->entry[i];
+
+ usb_fill_bulk_urb(entry->priv, usb_dev,
+ usb_rcvbulkpipe(usb_dev, 1),
+ entry->skb->data, entry->skb->len,
+ rt2x00usb_interrupt_rxdone, entry);
+
+ __set_bit(ENTRY_OWNER_NIC, &entry->flags);
+ usb_submit_urb(entry->priv, GFP_ATOMIC);
+ }
+}
+EXPORT_SYMBOL_GPL(rt2x00usb_enable_radio);
+
+void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev)
+{
+ struct data_ring *ring;
+ unsigned int i;
+
+ rt2x00usb_vendor_request_sw(rt2x00dev, USB_RX_CONTROL, 0x0000, 0x0000,
+ REGISTER_TIMEOUT);
+
+ /*
+ * Cancel all rings.
+ */
+ ring_for_each(rt2x00dev, ring) {
+ for (i = 0; i < ring->stats.limit; i++)
+ usb_kill_urb(ring->entry[i].priv);
+ }
+}
+EXPORT_SYMBOL_GPL(rt2x00usb_disable_radio);
+
+/*
+ * Device initialization handlers.
+ */
+static int rt2x00usb_alloc_urb(struct rt2x00_dev *rt2x00dev,
+ struct data_ring *ring)
+{
+ unsigned int i;
+
+ /*
+ * Allocate the URB's
+ */
+ for (i = 0; i < ring->stats.limit; i++) {
+ ring->entry[i].priv = usb_alloc_urb(0, GFP_KERNEL);
+ if (!ring->entry[i].priv)
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static void rt2x00usb_free_urb(struct rt2x00_dev *rt2x00dev,
+ struct data_ring *ring)
+{
+ unsigned int i;
+
+ if (!ring->entry)
+ return;
+
+ for (i = 0; i < ring->stats.limit; i++) {
+ usb_kill_urb(ring->entry[i].priv);
+ usb_free_urb(ring->entry[i].priv);
+ if (ring->entry[i].skb)
+ kfree_skb(ring->entry[i].skb);
+ }
+}
+
+int rt2x00usb_initialize(struct rt2x00_dev *rt2x00dev)
+{
+ struct data_ring *ring;
+ struct sk_buff *skb;
+ unsigned int entry_size;
+ unsigned int i;
+ int status;
+
+ /*
+ * Allocate DMA
+ */
+ ring_for_each(rt2x00dev, ring) {
+ status = rt2x00usb_alloc_urb(rt2x00dev, ring);
+ if (status)
+ goto exit;
+ }
+
+ /*
+ * For the RX ring, skb's should be allocated.
+ */
+ entry_size = rt2x00dev->rx->data_size + rt2x00dev->rx->desc_size;
+ for (i = 0; i < rt2x00dev->rx->stats.limit; i++) {
+ skb = dev_alloc_skb(NET_IP_ALIGN + entry_size);
+ if (!skb)
+ goto exit;
+
+ skb_reserve(skb, NET_IP_ALIGN);
+ skb_put(skb, entry_size);
+
+ rt2x00dev->rx->entry[i].skb = skb;
+ }
+
+ return 0;
+
+exit:
+ rt2x00usb_uninitialize(rt2x00dev);
+
+ return status;
+}
+EXPORT_SYMBOL_GPL(rt2x00usb_initialize);
+
+void rt2x00usb_uninitialize(struct rt2x00_dev *rt2x00dev)
+{
+ struct data_ring *ring;
+
+ ring_for_each(rt2x00dev, ring)
+ rt2x00usb_free_urb(rt2x00dev, ring);
+}
+EXPORT_SYMBOL_GPL(rt2x00usb_uninitialize);
+
+/*
+ * USB driver handlers.
+ */
+static void rt2x00usb_free_reg(struct rt2x00_dev *rt2x00dev)
+{
+ kfree(rt2x00dev->rf);
+ rt2x00dev->rf = NULL;
+
+ kfree(rt2x00dev->eeprom);
+ rt2x00dev->eeprom = NULL;
+
+ kfree(rt2x00dev->csr_cache);
+ rt2x00dev->csr_cache = NULL;
+}
+
+static int rt2x00usb_alloc_reg(struct rt2x00_dev *rt2x00dev)
+{
+ rt2x00dev->csr_cache = kzalloc(CSR_CACHE_SIZE, GFP_KERNEL);
+ if (!rt2x00dev->csr_cache)
+ goto exit;
+
+ rt2x00dev->eeprom = kzalloc(rt2x00dev->ops->eeprom_size, GFP_KERNEL);
+ if (!rt2x00dev->eeprom)
+ goto exit;
+
+ rt2x00dev->rf = kzalloc(rt2x00dev->ops->rf_size, GFP_KERNEL);
+ if (!rt2x00dev->rf)
+ goto exit;
+
+ return 0;
+
+exit:
+ ERROR_PROBE("Failed to allocate registers.\n");
+
+ rt2x00usb_free_reg(rt2x00dev);
+
+ return -ENOMEM;
+}
+
+int rt2x00usb_probe(struct usb_interface *usb_intf,
+ const struct usb_device_id *id)
+{
+ struct usb_device *usb_dev = interface_to_usbdev(usb_intf);
+ struct rt2x00_ops *ops = (struct rt2x00_ops *)id->driver_info;
+ struct ieee80211_hw *hw;
+ struct rt2x00_dev *rt2x00dev;
+ int retval;
+
+ usb_dev = usb_get_dev(usb_dev);
+
+ hw = ieee80211_alloc_hw(sizeof(struct rt2x00_dev), ops->hw);
+ if (!hw) {
+ ERROR_PROBE("Failed to allocate hardware.\n");
+ retval = -ENOMEM;
+ goto exit_put_device;
+ }
+
+ usb_set_intfdata(usb_intf, hw);
+
+ rt2x00dev = hw->priv;
+ rt2x00dev->dev = usb_intf;
+ rt2x00dev->ops = ops;
+ rt2x00dev->hw = hw;
+
+ retval = rt2x00usb_alloc_reg(rt2x00dev);
+ if (retval)
+ goto exit_free_device;
+
+ retval = rt2x00lib_probe_dev(rt2x00dev);
+ if (retval)
+ goto exit_free_reg;
+
+ return 0;
+
+exit_free_reg:
+ rt2x00usb_free_reg(rt2x00dev);
+
+exit_free_device:
+ ieee80211_free_hw(hw);
+
+exit_put_device:
+ usb_put_dev(usb_dev);
+
+ usb_set_intfdata(usb_intf, NULL);
+
+ return retval;
+}
+EXPORT_SYMBOL_GPL(rt2x00usb_probe);
+
+void rt2x00usb_disconnect(struct usb_interface *usb_intf)
+{
+ struct ieee80211_hw *hw = usb_get_intfdata(usb_intf);
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+
+ /*
+ * Free all allocated data.
+ */
+ rt2x00lib_remove_dev(rt2x00dev);
+ rt2x00usb_free_reg(rt2x00dev);
+ ieee80211_free_hw(hw);
+
+ /*
+ * Free the USB device data.
+ */
+ usb_set_intfdata(usb_intf, NULL);
+ usb_put_dev(interface_to_usbdev(usb_intf));
+}
+EXPORT_SYMBOL_GPL(rt2x00usb_disconnect);
+
+#ifdef CONFIG_PM
+int rt2x00usb_suspend(struct usb_interface *usb_intf, pm_message_t state)
+{
+ struct ieee80211_hw *hw = usb_get_intfdata(usb_intf);
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ int retval;
+
+ retval = rt2x00lib_suspend(rt2x00dev, state);
+ if (retval)
+ return retval;
+
+ rt2x00usb_free_reg(rt2x00dev);
+
+ /*
+ * Decrease usbdev refcount.
+ */
+ usb_put_dev(interface_to_usbdev(usb_intf));
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00usb_suspend);
+
+int rt2x00usb_resume(struct usb_interface *usb_intf)
+{
+ struct ieee80211_hw *hw = usb_get_intfdata(usb_intf);
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ int retval;
+
+ usb_get_dev(interface_to_usbdev(usb_intf));
+
+ retval = rt2x00usb_alloc_reg(rt2x00dev);
+ if (retval)
+ return retval;
+
+ retval = rt2x00lib_resume(rt2x00dev);
+ if (retval)
+ goto exit_free_reg;
+
+ return 0;
+
+exit_free_reg:
+ rt2x00usb_free_reg(rt2x00dev);
+
+ return retval;
+}
+EXPORT_SYMBOL_GPL(rt2x00usb_resume);
+#endif /* CONFIG_PM */
+
+/*
+ * rt2x00pci module information.
+ */
+MODULE_AUTHOR(DRV_PROJECT);
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("rt2x00 library");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h
new file mode 100644
index 00000000000..d4113e5158f
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.h
@@ -0,0 +1,180 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2x00usb
+ Abstract: Data structures for the rt2x00usb module.
+ */
+
+#ifndef RT2X00USB_H
+#define RT2X00USB_H
+
+/*
+ * This variable should be used with the
+ * usb_driver structure initialization.
+ */
+#define USB_DEVICE_DATA(__ops) .driver_info = (kernel_ulong_t)(__ops)
+
+/*
+ * Register defines.
+ * Some registers require multiple attempts before success,
+ * in those cases REGISTER_BUSY_COUNT attempts should be
+ * taken with a REGISTER_BUSY_DELAY interval.
+ * For USB vendor requests we need to pass a timeout
+ * time in ms, for this we use the REGISTER_TIMEOUT,
+ * however when loading firmware a higher value is
+ * required. In that case we use the REGISTER_TIMEOUT_FIRMWARE.
+ */
+#define REGISTER_BUSY_COUNT 5
+#define REGISTER_BUSY_DELAY 100
+#define REGISTER_TIMEOUT 20
+#define REGISTER_TIMEOUT_FIRMWARE 1000
+
+/*
+ * Cache size
+ */
+#define CSR_CACHE_SIZE 8
+#define CSR_CACHE_SIZE_FIRMWARE 64
+
+/*
+ * USB request types.
+ */
+#define USB_VENDOR_REQUEST ( USB_TYPE_VENDOR | USB_RECIP_DEVICE )
+#define USB_VENDOR_REQUEST_IN ( USB_DIR_IN | USB_VENDOR_REQUEST )
+#define USB_VENDOR_REQUEST_OUT ( USB_DIR_OUT | USB_VENDOR_REQUEST )
+
+/*
+ * USB vendor commands.
+ */
+#define USB_DEVICE_MODE 0x01
+#define USB_SINGLE_WRITE 0x02
+#define USB_SINGLE_READ 0x03
+#define USB_MULTI_WRITE 0x06
+#define USB_MULTI_READ 0x07
+#define USB_EEPROM_WRITE 0x08
+#define USB_EEPROM_READ 0x09
+#define USB_LED_CONTROL 0x0a /* RT73USB */
+#define USB_RX_CONTROL 0x0c
+
+/*
+ * Device modes offset
+ */
+#define USB_MODE_RESET 0x01
+#define USB_MODE_UNPLUG 0x02
+#define USB_MODE_FUNCTION 0x03
+#define USB_MODE_TEST 0x04
+#define USB_MODE_SLEEP 0x07 /* RT73USB */
+#define USB_MODE_FIRMWARE 0x08 /* RT73USB */
+#define USB_MODE_WAKEUP 0x09 /* RT73USB */
+
+/*
+ * Used to read/write from/to the device.
+ * This is the main function to communicate with the device,
+ * the buffer argument _must_ either be NULL or point to
+ * a buffer allocated by kmalloc. Failure to do so can lead
+ * to unexpected behavior depending on the architecture.
+ */
+int rt2x00usb_vendor_request(const struct rt2x00_dev *rt2x00dev,
+ const u8 request, const u8 requesttype,
+ const u16 offset, const u16 value,
+ void *buffer, const u16 buffer_length,
+ u16 timeout);
+
+/*
+ * Used to read/write from/to the device.
+ * This function will use a previously with kmalloc allocated cache
+ * to communicate with the device. The contents of the buffer pointer
+ * will be copied to this cache when writing, or read from the cache
+ * when reading.
+ * Buffers send to rt2x00usb_vendor_request _must_ be allocated with
+ * kmalloc. Hence the reason for using a previously allocated cache
+ * which has been allocated properly.
+ */
+int rt2x00usb_vendor_request_buff(const struct rt2x00_dev *rt2x00dev,
+ const u8 request, const u8 requesttype,
+ const u16 offset, void *buffer,
+ const u16 buffer_length, u16 timeout);
+
+/*
+ * Simple wrapper around rt2x00usb_vendor_request to write a single
+ * command to the device. Since we don't use the buffer argument we
+ * don't have to worry about kmalloc here.
+ */
+static inline int rt2x00usb_vendor_request_sw(const struct rt2x00_dev
+ *rt2x00dev,
+ const u8 request,
+ const u16 offset,
+ const u16 value,
+ int timeout)
+{
+ return rt2x00usb_vendor_request(rt2x00dev, request,
+ USB_VENDOR_REQUEST_OUT, offset,
+ value, NULL, 0, timeout);
+}
+
+/*
+ * Simple wrapper around rt2x00usb_vendor_request to read the eeprom
+ * from the device. Note that the eeprom argument _must_ be allocated using
+ * kmalloc for correct handling inside the kernel USB layer.
+ */
+static inline int rt2x00usb_eeprom_read(const struct rt2x00_dev *rt2x00dev,
+ __le16 *eeprom, const u16 lenght)
+{
+ int timeout = REGISTER_TIMEOUT * (lenght / sizeof(u16));
+
+ return rt2x00usb_vendor_request(rt2x00dev, USB_EEPROM_READ,
+ USB_VENDOR_REQUEST_IN, 0x0000,
+ 0x0000, eeprom, lenght, timeout);
+}
+
+/*
+ * Radio handlers
+ */
+void rt2x00usb_enable_radio(struct rt2x00_dev *rt2x00dev);
+void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev);
+
+/*
+ * TX data handlers.
+ */
+int rt2x00usb_write_tx_data(struct rt2x00_dev *rt2x00dev,
+ struct data_ring *ring, struct sk_buff *skb,
+ struct ieee80211_tx_control *control);
+
+/*
+ * Device initialization handlers.
+ */
+int rt2x00usb_initialize(struct rt2x00_dev *rt2x00dev);
+void rt2x00usb_uninitialize(struct rt2x00_dev *rt2x00dev);
+
+/*
+ * USB driver handlers.
+ */
+int rt2x00usb_probe(struct usb_interface *usb_intf,
+ const struct usb_device_id *id);
+void rt2x00usb_disconnect(struct usb_interface *usb_intf);
+#ifdef CONFIG_PM
+int rt2x00usb_suspend(struct usb_interface *usb_intf, pm_message_t state);
+int rt2x00usb_resume(struct usb_interface *usb_intf);
+#else
+#define rt2x00usb_suspend NULL
+#define rt2x00usb_resume NULL
+#endif /* CONFIG_PM */
+
+#endif /* RT2X00USB_H */
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
new file mode 100644
index 00000000000..730bed5a198
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -0,0 +1,2603 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt61pci
+ Abstract: rt61pci device specific routines.
+ Supported chipsets: RT2561, RT2561s, RT2661.
+ */
+
+/*
+ * Set enviroment defines for rt2x00.h
+ */
+#define DRV_NAME "rt61pci"
+
+#include <linux/delay.h>
+#include <linux/etherdevice.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/eeprom_93cx6.h>
+
+#include "rt2x00.h"
+#include "rt2x00pci.h"
+#include "rt61pci.h"
+
+/*
+ * Register access.
+ * BBP and RF register require indirect register access,
+ * and use the CSR registers PHY_CSR3 and PHY_CSR4 to achieve this.
+ * These indirect registers work with busy bits,
+ * and we will try maximal REGISTER_BUSY_COUNT times to access
+ * the register while taking a REGISTER_BUSY_DELAY us delay
+ * between each attampt. When the busy bit is still set at that time,
+ * the access attempt is considered to have failed,
+ * and we will print an error.
+ */
+static u32 rt61pci_bbp_check(const struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+ unsigned int i;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt2x00pci_register_read(rt2x00dev, PHY_CSR3, &reg);
+ if (!rt2x00_get_field32(reg, PHY_CSR3_BUSY))
+ break;
+ udelay(REGISTER_BUSY_DELAY);
+ }
+
+ return reg;
+}
+
+static void rt61pci_bbp_write(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, const u8 value)
+{
+ u32 reg;
+
+ /*
+ * Wait until the BBP becomes ready.
+ */
+ reg = rt61pci_bbp_check(rt2x00dev);
+ if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) {
+ ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n");
+ return;
+ }
+
+ /*
+ * Write the data into the BBP.
+ */
+ reg = 0;
+ rt2x00_set_field32(&reg, PHY_CSR3_VALUE, value);
+ rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
+ rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
+ rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 0);
+
+ rt2x00pci_register_write(rt2x00dev, PHY_CSR3, reg);
+}
+
+static void rt61pci_bbp_read(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u8 *value)
+{
+ u32 reg;
+
+ /*
+ * Wait until the BBP becomes ready.
+ */
+ reg = rt61pci_bbp_check(rt2x00dev);
+ if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) {
+ ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n");
+ return;
+ }
+
+ /*
+ * Write the request into the BBP.
+ */
+ reg = 0;
+ rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
+ rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
+ rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 1);
+
+ rt2x00pci_register_write(rt2x00dev, PHY_CSR3, reg);
+
+ /*
+ * Wait until the BBP becomes ready.
+ */
+ reg = rt61pci_bbp_check(rt2x00dev);
+ if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) {
+ ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n");
+ *value = 0xff;
+ return;
+ }
+
+ *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE);
+}
+
+static void rt61pci_rf_write(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, const u32 value)
+{
+ u32 reg;
+ unsigned int i;
+
+ if (!word)
+ return;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt2x00pci_register_read(rt2x00dev, PHY_CSR4, &reg);
+ if (!rt2x00_get_field32(reg, PHY_CSR4_BUSY))
+ goto rf_write;
+ udelay(REGISTER_BUSY_DELAY);
+ }
+
+ ERROR(rt2x00dev, "PHY_CSR4 register busy. Write failed.\n");
+ return;
+
+rf_write:
+ reg = 0;
+ rt2x00_set_field32(&reg, PHY_CSR4_VALUE, value);
+ rt2x00_set_field32(&reg, PHY_CSR4_NUMBER_OF_BITS, 21);
+ rt2x00_set_field32(&reg, PHY_CSR4_IF_SELECT, 0);
+ rt2x00_set_field32(&reg, PHY_CSR4_BUSY, 1);
+
+ rt2x00pci_register_write(rt2x00dev, PHY_CSR4, reg);
+ rt2x00_rf_write(rt2x00dev, word, value);
+}
+
+static void rt61pci_mcu_request(const struct rt2x00_dev *rt2x00dev,
+ const u8 command, const u8 token,
+ const u8 arg0, const u8 arg1)
+{
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, H2M_MAILBOX_CSR, &reg);
+
+ if (rt2x00_get_field32(reg, H2M_MAILBOX_CSR_OWNER)) {
+ ERROR(rt2x00dev, "mcu request error. "
+ "Request 0x%02x failed for token 0x%02x.\n",
+ command, token);
+ return;
+ }
+
+ rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
+ rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
+ rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
+ rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
+ rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, reg);
+
+ rt2x00pci_register_read(rt2x00dev, HOST_CMD_CSR, &reg);
+ rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
+ rt2x00_set_field32(&reg, HOST_CMD_CSR_INTERRUPT_MCU, 1);
+ rt2x00pci_register_write(rt2x00dev, HOST_CMD_CSR, reg);
+}
+
+static void rt61pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
+{
+ struct rt2x00_dev *rt2x00dev = eeprom->data;
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, &reg);
+
+ eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN);
+ eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT);
+ eeprom->reg_data_clock =
+ !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK);
+ eeprom->reg_chip_select =
+ !!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT);
+}
+
+static void rt61pci_eepromregister_write(struct eeprom_93cx6 *eeprom)
+{
+ struct rt2x00_dev *rt2x00dev = eeprom->data;
+ u32 reg = 0;
+
+ rt2x00_set_field32(&reg, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in);
+ rt2x00_set_field32(&reg, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out);
+ rt2x00_set_field32(&reg, E2PROM_CSR_DATA_CLOCK,
+ !!eeprom->reg_data_clock);
+ rt2x00_set_field32(&reg, E2PROM_CSR_CHIP_SELECT,
+ !!eeprom->reg_chip_select);
+
+ rt2x00pci_register_write(rt2x00dev, E2PROM_CSR, reg);
+}
+
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+#define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u32)) )
+
+static void rt61pci_read_csr(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u32 *data)
+{
+ rt2x00pci_register_read(rt2x00dev, CSR_OFFSET(word), data);
+}
+
+static void rt61pci_write_csr(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u32 data)
+{
+ rt2x00pci_register_write(rt2x00dev, CSR_OFFSET(word), data);
+}
+
+static const struct rt2x00debug rt61pci_rt2x00debug = {
+ .owner = THIS_MODULE,
+ .csr = {
+ .read = rt61pci_read_csr,
+ .write = rt61pci_write_csr,
+ .word_size = sizeof(u32),
+ .word_count = CSR_REG_SIZE / sizeof(u32),
+ },
+ .eeprom = {
+ .read = rt2x00_eeprom_read,
+ .write = rt2x00_eeprom_write,
+ .word_size = sizeof(u16),
+ .word_count = EEPROM_SIZE / sizeof(u16),
+ },
+ .bbp = {
+ .read = rt61pci_bbp_read,
+ .write = rt61pci_bbp_write,
+ .word_size = sizeof(u8),
+ .word_count = BBP_SIZE / sizeof(u8),
+ },
+ .rf = {
+ .read = rt2x00_rf_read,
+ .write = rt61pci_rf_write,
+ .word_size = sizeof(u32),
+ .word_count = RF_SIZE / sizeof(u32),
+ },
+};
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+
+#ifdef CONFIG_RT61PCI_RFKILL
+static int rt61pci_rfkill_poll(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, MAC_CSR13, &reg);
+ return rt2x00_get_field32(reg, MAC_CSR13_BIT5);;
+}
+#endif /* CONFIG_RT2400PCI_RFKILL */
+
+/*
+ * Configuration handlers.
+ */
+static void rt61pci_config_mac_addr(struct rt2x00_dev *rt2x00dev, u8 *addr)
+{
+ __le32 reg[2];
+ u32 tmp;
+
+ memset(&reg, 0, sizeof(reg));
+ memcpy(&reg, addr, ETH_ALEN);
+
+ tmp = le32_to_cpu(reg[1]);
+ rt2x00_set_field32(&tmp, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
+ reg[1] = cpu_to_le32(tmp);
+
+ /*
+ * The MAC address is passed to us as an array of bytes,
+ * that array is little endian, so no need for byte ordering.
+ */
+ rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR2, &reg, sizeof(reg));
+}
+
+static void rt61pci_config_bssid(struct rt2x00_dev *rt2x00dev, u8 *bssid)
+{
+ __le32 reg[2];
+ u32 tmp;
+
+ memset(&reg, 0, sizeof(reg));
+ memcpy(&reg, bssid, ETH_ALEN);
+
+ tmp = le32_to_cpu(reg[1]);
+ rt2x00_set_field32(&tmp, MAC_CSR5_BSS_ID_MASK, 3);
+ reg[1] = cpu_to_le32(tmp);
+
+ /*
+ * The BSSID is passed to us as an array of bytes,
+ * that array is little endian, so no need for byte ordering.
+ */
+ rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR4, &reg, sizeof(reg));
+}
+
+static void rt61pci_config_packet_filter(struct rt2x00_dev *rt2x00dev,
+ const unsigned int filter)
+{
+ int promisc = !!(filter & IFF_PROMISC);
+ int multicast = !!(filter & IFF_MULTICAST);
+ int broadcast = !!(filter & IFF_BROADCAST);
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_NOT_TO_ME, !promisc);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_MULTICAST, !multicast);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_BORADCAST, !broadcast);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg);
+}
+
+static void rt61pci_config_type(struct rt2x00_dev *rt2x00dev, const int type)
+{
+ u32 reg;
+
+ /*
+ * Clear current synchronisation setup.
+ * For the Beacon base registers we only need to clear
+ * the first byte since that byte contains the VALID and OWNER
+ * bits which (when set to 0) will invalidate the entire beacon.
+ */
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, 0);
+ rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
+ rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
+ rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
+ rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
+
+ /*
+ * Apply hardware packet filter.
+ */
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, &reg);
+
+ if (!is_monitor_present(&rt2x00dev->interface) &&
+ (type == IEEE80211_IF_TYPE_IBSS || type == IEEE80211_IF_TYPE_STA))
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS, 1);
+ else
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS, 0);
+
+ /*
+ * If there is a non-monitor interface present
+ * the packet should be strict (even if a monitor interface is present!).
+ * When there is only 1 interface present which is in monitor mode
+ * we should start accepting _all_ frames.
+ */
+ if (is_interface_present(&rt2x00dev->interface)) {
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CRC, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_VERSION_ERROR, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_ACK_CTS, 1);
+ } else if (is_monitor_present(&rt2x00dev->interface)) {
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CRC, 0);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL, 0);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL, 0);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_VERSION_ERROR, 0);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_ACK_CTS, 0);
+ }
+
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg);
+
+ /*
+ * Enable synchronisation.
+ */
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, &reg);
+ if (is_interface_present(&rt2x00dev->interface)) {
+ rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
+ }
+
+ rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
+ if (type == IEEE80211_IF_TYPE_IBSS || type == IEEE80211_IF_TYPE_AP)
+ rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, 2);
+ else if (type == IEEE80211_IF_TYPE_STA)
+ rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, 1);
+ else if (is_monitor_present(&rt2x00dev->interface) &&
+ !is_interface_present(&rt2x00dev->interface))
+ rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, 0);
+
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
+}
+
+static void rt61pci_config_rate(struct rt2x00_dev *rt2x00dev, const int rate)
+{
+ struct ieee80211_conf *conf = &rt2x00dev->hw->conf;
+ u32 reg;
+ u32 value;
+ u32 preamble;
+
+ if (DEVICE_GET_RATE_FIELD(rate, PREAMBLE))
+ preamble = SHORT_PREAMBLE;
+ else
+ preamble = PREAMBLE;
+
+ /*
+ * Extract the allowed ratemask from the device specific rate value,
+ * We need to set TXRX_CSR5 to the basic rate mask so we need to mask
+ * off the non-basic rates.
+ */
+ reg = DEVICE_GET_RATE_FIELD(rate, RATEMASK) & DEV_BASIC_RATEMASK;
+
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR5, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, &reg);
+ value = ((conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME) ?
+ SHORT_DIFS : DIFS) +
+ PLCP + preamble + get_duration(ACK_SIZE, 10);
+ rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, value);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, &reg);
+ if (preamble == SHORT_PREAMBLE)
+ rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE, 1);
+ else
+ rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE, 0);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg);
+}
+
+static void rt61pci_config_phymode(struct rt2x00_dev *rt2x00dev,
+ const int phymode)
+{
+ struct ieee80211_hw_mode *mode;
+ struct ieee80211_rate *rate;
+
+ if (phymode == MODE_IEEE80211A)
+ rt2x00dev->curr_hwmode = HWMODE_A;
+ else if (phymode == MODE_IEEE80211B)
+ rt2x00dev->curr_hwmode = HWMODE_B;
+ else
+ rt2x00dev->curr_hwmode = HWMODE_G;
+
+ mode = &rt2x00dev->hwmodes[rt2x00dev->curr_hwmode];
+ rate = &mode->rates[mode->num_rates - 1];
+
+ rt61pci_config_rate(rt2x00dev, rate->val2);
+}
+
+static void rt61pci_config_lock_channel(struct rt2x00_dev *rt2x00dev,
+ struct rf_channel *rf,
+ const int txpower)
+{
+ u8 r3;
+ u8 r94;
+ u8 smart;
+
+ rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
+ rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
+
+ smart = !(rt2x00_rf(&rt2x00dev->chip, RF5225) ||
+ rt2x00_rf(&rt2x00dev->chip, RF2527));
+
+ rt61pci_bbp_read(rt2x00dev, 3, &r3);
+ rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, smart);
+ rt61pci_bbp_write(rt2x00dev, 3, r3);
+
+ r94 = 6;
+ if (txpower > MAX_TXPOWER && txpower <= (MAX_TXPOWER + r94))
+ r94 += txpower - MAX_TXPOWER;
+ else if (txpower < MIN_TXPOWER && txpower >= (MIN_TXPOWER - r94))
+ r94 += txpower;
+ rt61pci_bbp_write(rt2x00dev, 94, r94);
+
+ rt61pci_rf_write(rt2x00dev, 1, rf->rf1);
+ rt61pci_rf_write(rt2x00dev, 2, rf->rf2);
+ rt61pci_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
+ rt61pci_rf_write(rt2x00dev, 4, rf->rf4);
+
+ udelay(200);
+
+ rt61pci_rf_write(rt2x00dev, 1, rf->rf1);
+ rt61pci_rf_write(rt2x00dev, 2, rf->rf2);
+ rt61pci_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
+ rt61pci_rf_write(rt2x00dev, 4, rf->rf4);
+
+ udelay(200);
+
+ rt61pci_rf_write(rt2x00dev, 1, rf->rf1);
+ rt61pci_rf_write(rt2x00dev, 2, rf->rf2);
+ rt61pci_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
+ rt61pci_rf_write(rt2x00dev, 4, rf->rf4);
+
+ msleep(1);
+}
+
+static void rt61pci_config_channel(struct rt2x00_dev *rt2x00dev,
+ const int index, const int channel,
+ const int txpower)
+{
+ struct rf_channel rf;
+
+ /*
+ * Fill rf_reg structure.
+ */
+ memcpy(&rf, &rt2x00dev->spec.channels[index], sizeof(rf));
+
+ rt61pci_config_lock_channel(rt2x00dev, &rf, txpower);
+}
+
+static void rt61pci_config_txpower(struct rt2x00_dev *rt2x00dev,
+ const int txpower)
+{
+ struct rf_channel rf;
+
+ rt2x00_rf_read(rt2x00dev, 1, &rf.rf1);
+ rt2x00_rf_read(rt2x00dev, 2, &rf.rf2);
+ rt2x00_rf_read(rt2x00dev, 3, &rf.rf3);
+ rt2x00_rf_read(rt2x00dev, 4, &rf.rf4);
+
+ rt61pci_config_lock_channel(rt2x00dev, &rf, txpower);
+}
+
+static void rt61pci_config_antenna_5x(struct rt2x00_dev *rt2x00dev,
+ const int antenna_tx,
+ const int antenna_rx)
+{
+ u8 r3;
+ u8 r4;
+ u8 r77;
+
+ rt61pci_bbp_read(rt2x00dev, 3, &r3);
+ rt61pci_bbp_read(rt2x00dev, 4, &r4);
+ rt61pci_bbp_read(rt2x00dev, 77, &r77);
+
+ rt2x00_set_field8(&r3, BBP_R3_SMART_MODE,
+ !rt2x00_rf(&rt2x00dev->chip, RF5225));
+
+ switch (antenna_rx) {
+ case ANTENNA_SW_DIVERSITY:
+ case ANTENNA_HW_DIVERSITY:
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
+ rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
+ !!(rt2x00dev->curr_hwmode != HWMODE_A));
+ break;
+ case ANTENNA_A:
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
+ rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
+
+ if (rt2x00dev->curr_hwmode == HWMODE_A)
+ rt2x00_set_field8(&r77, BBP_R77_PAIR, 0);
+ else
+ rt2x00_set_field8(&r77, BBP_R77_PAIR, 3);
+ break;
+ case ANTENNA_B:
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
+ rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
+
+ if (rt2x00dev->curr_hwmode == HWMODE_A)
+ rt2x00_set_field8(&r77, BBP_R77_PAIR, 3);
+ else
+ rt2x00_set_field8(&r77, BBP_R77_PAIR, 0);
+ break;
+ }
+
+ rt61pci_bbp_write(rt2x00dev, 77, r77);
+ rt61pci_bbp_write(rt2x00dev, 3, r3);
+ rt61pci_bbp_write(rt2x00dev, 4, r4);
+}
+
+static void rt61pci_config_antenna_2x(struct rt2x00_dev *rt2x00dev,
+ const int antenna_tx,
+ const int antenna_rx)
+{
+ u8 r3;
+ u8 r4;
+ u8 r77;
+
+ rt61pci_bbp_read(rt2x00dev, 3, &r3);
+ rt61pci_bbp_read(rt2x00dev, 4, &r4);
+ rt61pci_bbp_read(rt2x00dev, 77, &r77);
+
+ rt2x00_set_field8(&r3, BBP_R3_SMART_MODE,
+ !rt2x00_rf(&rt2x00dev->chip, RF2527));
+ rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
+ !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags));
+
+ switch (antenna_rx) {
+ case ANTENNA_SW_DIVERSITY:
+ case ANTENNA_HW_DIVERSITY:
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
+ break;
+ case ANTENNA_A:
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
+ rt2x00_set_field8(&r77, BBP_R77_PAIR, 3);
+ break;
+ case ANTENNA_B:
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
+ rt2x00_set_field8(&r77, BBP_R77_PAIR, 0);
+ break;
+ }
+
+ rt61pci_bbp_write(rt2x00dev, 77, r77);
+ rt61pci_bbp_write(rt2x00dev, 3, r3);
+ rt61pci_bbp_write(rt2x00dev, 4, r4);
+}
+
+static void rt61pci_config_antenna_2529_rx(struct rt2x00_dev *rt2x00dev,
+ const int p1, const int p2)
+{
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, MAC_CSR13, &reg);
+
+ if (p1 != 0xff) {
+ rt2x00_set_field32(&reg, MAC_CSR13_BIT4, !!p1);
+ rt2x00_set_field32(&reg, MAC_CSR13_BIT12, 0);
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR13, reg);
+ }
+ if (p2 != 0xff) {
+ rt2x00_set_field32(&reg, MAC_CSR13_BIT3, !p2);
+ rt2x00_set_field32(&reg, MAC_CSR13_BIT11, 0);
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR13, reg);
+ }
+}
+
+static void rt61pci_config_antenna_2529(struct rt2x00_dev *rt2x00dev,
+ const int antenna_tx,
+ const int antenna_rx)
+{
+ u16 eeprom;
+ u8 r3;
+ u8 r4;
+ u8 r77;
+
+ rt61pci_bbp_read(rt2x00dev, 3, &r3);
+ rt61pci_bbp_read(rt2x00dev, 4, &r4);
+ rt61pci_bbp_read(rt2x00dev, 77, &r77);
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
+
+ rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
+
+ if (rt2x00_get_field16(eeprom, EEPROM_NIC_ENABLE_DIVERSITY) &&
+ rt2x00_get_field16(eeprom, EEPROM_NIC_TX_DIVERSITY)) {
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
+ rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 1);
+ rt61pci_config_antenna_2529_rx(rt2x00dev, 0, 1);
+ } else if (rt2x00_get_field16(eeprom, EEPROM_NIC_ENABLE_DIVERSITY)) {
+ if (rt2x00_get_field16(eeprom, EEPROM_NIC_TX_RX_FIXED) >= 2) {
+ rt2x00_set_field8(&r77, BBP_R77_PAIR, 3);
+ rt61pci_bbp_write(rt2x00dev, 77, r77);
+ }
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
+ rt61pci_config_antenna_2529_rx(rt2x00dev, 1, 1);
+ } else if (!rt2x00_get_field16(eeprom, EEPROM_NIC_ENABLE_DIVERSITY) &&
+ rt2x00_get_field16(eeprom, EEPROM_NIC_TX_DIVERSITY)) {
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
+ rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
+
+ switch (rt2x00_get_field16(eeprom, EEPROM_NIC_TX_RX_FIXED)) {
+ case 0:
+ rt61pci_config_antenna_2529_rx(rt2x00dev, 0, 1);
+ break;
+ case 1:
+ rt61pci_config_antenna_2529_rx(rt2x00dev, 1, 0);
+ break;
+ case 2:
+ rt61pci_config_antenna_2529_rx(rt2x00dev, 0, 0);
+ break;
+ case 3:
+ rt61pci_config_antenna_2529_rx(rt2x00dev, 1, 1);
+ break;
+ }
+ } else if (!rt2x00_get_field16(eeprom, EEPROM_NIC_ENABLE_DIVERSITY) &&
+ !rt2x00_get_field16(eeprom, EEPROM_NIC_TX_DIVERSITY)) {
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
+ rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
+
+ switch (rt2x00_get_field16(eeprom, EEPROM_NIC_TX_RX_FIXED)) {
+ case 0:
+ rt2x00_set_field8(&r77, BBP_R77_PAIR, 0);
+ rt61pci_bbp_write(rt2x00dev, 77, r77);
+ rt61pci_config_antenna_2529_rx(rt2x00dev, 0, 1);
+ break;
+ case 1:
+ rt2x00_set_field8(&r77, BBP_R77_PAIR, 0);
+ rt61pci_bbp_write(rt2x00dev, 77, r77);
+ rt61pci_config_antenna_2529_rx(rt2x00dev, 1, 0);
+ break;
+ case 2:
+ rt2x00_set_field8(&r77, BBP_R77_PAIR, 3);
+ rt61pci_bbp_write(rt2x00dev, 77, r77);
+ rt61pci_config_antenna_2529_rx(rt2x00dev, 0, 0);
+ break;
+ case 3:
+ rt2x00_set_field8(&r77, BBP_R77_PAIR, 3);
+ rt61pci_bbp_write(rt2x00dev, 77, r77);
+ rt61pci_config_antenna_2529_rx(rt2x00dev, 1, 1);
+ break;
+ }
+ }
+
+ rt61pci_bbp_write(rt2x00dev, 3, r3);
+ rt61pci_bbp_write(rt2x00dev, 4, r4);
+}
+
+struct antenna_sel {
+ u8 word;
+ /*
+ * value[0] -> non-LNA
+ * value[1] -> LNA
+ */
+ u8 value[2];
+};
+
+static const struct antenna_sel antenna_sel_a[] = {
+ { 96, { 0x58, 0x78 } },
+ { 104, { 0x38, 0x48 } },
+ { 75, { 0xfe, 0x80 } },
+ { 86, { 0xfe, 0x80 } },
+ { 88, { 0xfe, 0x80 } },
+ { 35, { 0x60, 0x60 } },
+ { 97, { 0x58, 0x58 } },
+ { 98, { 0x58, 0x58 } },
+};
+
+static const struct antenna_sel antenna_sel_bg[] = {
+ { 96, { 0x48, 0x68 } },
+ { 104, { 0x2c, 0x3c } },
+ { 75, { 0xfe, 0x80 } },
+ { 86, { 0xfe, 0x80 } },
+ { 88, { 0xfe, 0x80 } },
+ { 35, { 0x50, 0x50 } },
+ { 97, { 0x48, 0x48 } },
+ { 98, { 0x48, 0x48 } },
+};
+
+static void rt61pci_config_antenna(struct rt2x00_dev *rt2x00dev,
+ const int antenna_tx, const int antenna_rx)
+{
+ const struct antenna_sel *sel;
+ unsigned int lna;
+ unsigned int i;
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, PHY_CSR0, &reg);
+
+ if (rt2x00dev->curr_hwmode == HWMODE_A) {
+ sel = antenna_sel_a;
+ lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
+
+ rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG, 0);
+ rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_A, 1);
+ } else {
+ sel = antenna_sel_bg;
+ lna = test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
+
+ rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG, 1);
+ rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_A, 0);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++)
+ rt61pci_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]);
+
+ rt2x00pci_register_write(rt2x00dev, PHY_CSR0, reg);
+
+ if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
+ rt2x00_rf(&rt2x00dev->chip, RF5325))
+ rt61pci_config_antenna_5x(rt2x00dev, antenna_tx, antenna_rx);
+ else if (rt2x00_rf(&rt2x00dev->chip, RF2527))
+ rt61pci_config_antenna_2x(rt2x00dev, antenna_tx, antenna_rx);
+ else if (rt2x00_rf(&rt2x00dev->chip, RF2529)) {
+ if (test_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags))
+ rt61pci_config_antenna_2x(rt2x00dev, antenna_tx,
+ antenna_rx);
+ else
+ rt61pci_config_antenna_2529(rt2x00dev, antenna_tx,
+ antenna_rx);
+ }
+}
+
+static void rt61pci_config_duration(struct rt2x00_dev *rt2x00dev,
+ const int short_slot_time,
+ const int beacon_int)
+{
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, MAC_CSR9, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR9_SLOT_TIME,
+ short_slot_time ? SHORT_SLOT_TIME : SLOT_TIME);
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR9, reg);
+
+ rt2x00pci_register_read(rt2x00dev, MAC_CSR8, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR8_SIFS, SIFS);
+ rt2x00_set_field32(&reg, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3);
+ rt2x00_set_field32(&reg, MAC_CSR8_EIFS, EIFS);
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR8, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL, beacon_int * 16);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
+}
+
+static void rt61pci_config(struct rt2x00_dev *rt2x00dev,
+ const unsigned int flags,
+ struct ieee80211_conf *conf)
+{
+ int short_slot_time = conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME;
+
+ if (flags & CONFIG_UPDATE_PHYMODE)
+ rt61pci_config_phymode(rt2x00dev, conf->phymode);
+ if (flags & CONFIG_UPDATE_CHANNEL)
+ rt61pci_config_channel(rt2x00dev, conf->channel_val,
+ conf->channel, conf->power_level);
+ if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
+ rt61pci_config_txpower(rt2x00dev, conf->power_level);
+ if (flags & CONFIG_UPDATE_ANTENNA)
+ rt61pci_config_antenna(rt2x00dev, conf->antenna_sel_tx,
+ conf->antenna_sel_rx);
+ if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
+ rt61pci_config_duration(rt2x00dev, short_slot_time,
+ conf->beacon_int);
+}
+
+/*
+ * LED functions.
+ */
+static void rt61pci_enable_led(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+ u16 led_reg;
+ u8 arg0;
+ u8 arg1;
+
+ rt2x00pci_register_read(rt2x00dev, MAC_CSR14, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR14_ON_PERIOD, 70);
+ rt2x00_set_field32(&reg, MAC_CSR14_OFF_PERIOD, 30);
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR14, reg);
+
+ led_reg = rt2x00dev->led_reg;
+ rt2x00_set_field16(&led_reg, MCU_LEDCS_RADIO_STATUS, 1);
+ if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A)
+ rt2x00_set_field16(&led_reg, MCU_LEDCS_LINK_A_STATUS, 1);
+ else
+ rt2x00_set_field16(&led_reg, MCU_LEDCS_LINK_BG_STATUS, 1);
+
+ arg0 = led_reg & 0xff;
+ arg1 = (led_reg >> 8) & 0xff;
+
+ rt61pci_mcu_request(rt2x00dev, MCU_LED, 0xff, arg0, arg1);
+}
+
+static void rt61pci_disable_led(struct rt2x00_dev *rt2x00dev)
+{
+ u16 led_reg;
+ u8 arg0;
+ u8 arg1;
+
+ led_reg = rt2x00dev->led_reg;
+ rt2x00_set_field16(&led_reg, MCU_LEDCS_RADIO_STATUS, 0);
+ rt2x00_set_field16(&led_reg, MCU_LEDCS_LINK_BG_STATUS, 0);
+ rt2x00_set_field16(&led_reg, MCU_LEDCS_LINK_A_STATUS, 0);
+
+ arg0 = led_reg & 0xff;
+ arg1 = (led_reg >> 8) & 0xff;
+
+ rt61pci_mcu_request(rt2x00dev, MCU_LED, 0xff, arg0, arg1);
+}
+
+static void rt61pci_activity_led(struct rt2x00_dev *rt2x00dev, int rssi)
+{
+ u8 led;
+
+ if (rt2x00dev->led_mode != LED_MODE_SIGNAL_STRENGTH)
+ return;
+
+ /*
+ * Led handling requires a positive value for the rssi,
+ * to do that correctly we need to add the correction.
+ */
+ rssi += rt2x00dev->rssi_offset;
+
+ if (rssi <= 30)
+ led = 0;
+ else if (rssi <= 39)
+ led = 1;
+ else if (rssi <= 49)
+ led = 2;
+ else if (rssi <= 53)
+ led = 3;
+ else if (rssi <= 63)
+ led = 4;
+ else
+ led = 5;
+
+ rt61pci_mcu_request(rt2x00dev, MCU_LED_STRENGTH, 0xff, led, 0);
+}
+
+/*
+ * Link tuning
+ */
+static void rt61pci_link_stats(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ /*
+ * Update FCS error count from register.
+ */
+ rt2x00pci_register_read(rt2x00dev, STA_CSR0, &reg);
+ rt2x00dev->link.rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR);
+
+ /*
+ * Update False CCA count from register.
+ */
+ rt2x00pci_register_read(rt2x00dev, STA_CSR1, &reg);
+ rt2x00dev->link.false_cca =
+ rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR);
+}
+
+static void rt61pci_reset_tuner(struct rt2x00_dev *rt2x00dev)
+{
+ rt61pci_bbp_write(rt2x00dev, 17, 0x20);
+ rt2x00dev->link.vgc_level = 0x20;
+}
+
+static void rt61pci_link_tuner(struct rt2x00_dev *rt2x00dev)
+{
+ int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
+ u8 r17;
+ u8 up_bound;
+ u8 low_bound;
+
+ /*
+ * Update Led strength
+ */
+ rt61pci_activity_led(rt2x00dev, rssi);
+
+ rt61pci_bbp_read(rt2x00dev, 17, &r17);
+
+ /*
+ * Determine r17 bounds.
+ */
+ if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A) {
+ low_bound = 0x28;
+ up_bound = 0x48;
+ if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
+ low_bound += 0x10;
+ up_bound += 0x10;
+ }
+ } else {
+ low_bound = 0x20;
+ up_bound = 0x40;
+ if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
+ low_bound += 0x10;
+ up_bound += 0x10;
+ }
+ }
+
+ /*
+ * Special big-R17 for very short distance
+ */
+ if (rssi >= -35) {
+ if (r17 != 0x60)
+ rt61pci_bbp_write(rt2x00dev, 17, 0x60);
+ return;
+ }
+
+ /*
+ * Special big-R17 for short distance
+ */
+ if (rssi >= -58) {
+ if (r17 != up_bound)
+ rt61pci_bbp_write(rt2x00dev, 17, up_bound);
+ return;
+ }
+
+ /*
+ * Special big-R17 for middle-short distance
+ */
+ if (rssi >= -66) {
+ low_bound += 0x10;
+ if (r17 != low_bound)
+ rt61pci_bbp_write(rt2x00dev, 17, low_bound);
+ return;
+ }
+
+ /*
+ * Special mid-R17 for middle distance
+ */
+ if (rssi >= -74) {
+ low_bound += 0x08;
+ if (r17 != low_bound)
+ rt61pci_bbp_write(rt2x00dev, 17, low_bound);
+ return;
+ }
+
+ /*
+ * Special case: Change up_bound based on the rssi.
+ * Lower up_bound when rssi is weaker then -74 dBm.
+ */
+ up_bound -= 2 * (-74 - rssi);
+ if (low_bound > up_bound)
+ up_bound = low_bound;
+
+ if (r17 > up_bound) {
+ rt61pci_bbp_write(rt2x00dev, 17, up_bound);
+ return;
+ }
+
+ /*
+ * r17 does not yet exceed upper limit, continue and base
+ * the r17 tuning on the false CCA count.
+ */
+ if (rt2x00dev->link.false_cca > 512 && r17 < up_bound) {
+ if (++r17 > up_bound)
+ r17 = up_bound;
+ rt61pci_bbp_write(rt2x00dev, 17, r17);
+ } else if (rt2x00dev->link.false_cca < 100 && r17 > low_bound) {
+ if (--r17 < low_bound)
+ r17 = low_bound;
+ rt61pci_bbp_write(rt2x00dev, 17, r17);
+ }
+}
+
+/*
+ * Firmware name function.
+ */
+static char *rt61pci_get_firmware_name(struct rt2x00_dev *rt2x00dev)
+{
+ char *fw_name;
+
+ switch (rt2x00dev->chip.rt) {
+ case RT2561:
+ fw_name = FIRMWARE_RT2561;
+ break;
+ case RT2561s:
+ fw_name = FIRMWARE_RT2561s;
+ break;
+ case RT2661:
+ fw_name = FIRMWARE_RT2661;
+ break;
+ default:
+ fw_name = NULL;
+ break;
+ }
+
+ return fw_name;
+}
+
+/*
+ * Initialization functions.
+ */
+static int rt61pci_load_firmware(struct rt2x00_dev *rt2x00dev, void *data,
+ const size_t len)
+{
+ int i;
+ u32 reg;
+
+ /*
+ * Wait for stable hardware.
+ */
+ for (i = 0; i < 100; i++) {
+ rt2x00pci_register_read(rt2x00dev, MAC_CSR0, &reg);
+ if (reg)
+ break;
+ msleep(1);
+ }
+
+ if (!reg) {
+ ERROR(rt2x00dev, "Unstable hardware.\n");
+ return -EBUSY;
+ }
+
+ /*
+ * Prepare MCU and mailbox for firmware loading.
+ */
+ reg = 0;
+ rt2x00_set_field32(&reg, MCU_CNTL_CSR_RESET, 1);
+ rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg);
+ rt2x00pci_register_write(rt2x00dev, M2H_CMD_DONE_CSR, 0xffffffff);
+ rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
+ rt2x00pci_register_write(rt2x00dev, HOST_CMD_CSR, 0);
+
+ /*
+ * Write firmware to device.
+ */
+ reg = 0;
+ rt2x00_set_field32(&reg, MCU_CNTL_CSR_RESET, 1);
+ rt2x00_set_field32(&reg, MCU_CNTL_CSR_SELECT_BANK, 1);
+ rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg);
+
+ rt2x00pci_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
+ data, len);
+
+ rt2x00_set_field32(&reg, MCU_CNTL_CSR_SELECT_BANK, 0);
+ rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg);
+
+ rt2x00_set_field32(&reg, MCU_CNTL_CSR_RESET, 0);
+ rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg);
+
+ for (i = 0; i < 100; i++) {
+ rt2x00pci_register_read(rt2x00dev, MCU_CNTL_CSR, &reg);
+ if (rt2x00_get_field32(reg, MCU_CNTL_CSR_READY))
+ break;
+ msleep(1);
+ }
+
+ if (i == 100) {
+ ERROR(rt2x00dev, "MCU Control register not ready.\n");
+ return -EBUSY;
+ }
+
+ /*
+ * Reset MAC and BBP registers.
+ */
+ reg = 0;
+ rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 1);
+ rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 1);
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg);
+
+ rt2x00pci_register_read(rt2x00dev, MAC_CSR1, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 0);
+ rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 0);
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg);
+
+ rt2x00pci_register_read(rt2x00dev, MAC_CSR1, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR1_HOST_READY, 1);
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg);
+
+ return 0;
+}
+
+static void rt61pci_init_rxring(struct rt2x00_dev *rt2x00dev)
+{
+ struct data_ring *ring = rt2x00dev->rx;
+ struct data_desc *rxd;
+ unsigned int i;
+ u32 word;
+
+ memset(ring->data_addr, 0x00, rt2x00_get_ring_size(ring));
+
+ for (i = 0; i < ring->stats.limit; i++) {
+ rxd = ring->entry[i].priv;
+
+ rt2x00_desc_read(rxd, 5, &word);
+ rt2x00_set_field32(&word, RXD_W5_BUFFER_PHYSICAL_ADDRESS,
+ ring->entry[i].data_dma);
+ rt2x00_desc_write(rxd, 5, word);
+
+ rt2x00_desc_read(rxd, 0, &word);
+ rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
+ rt2x00_desc_write(rxd, 0, word);
+ }
+
+ rt2x00_ring_index_clear(rt2x00dev->rx);
+}
+
+static void rt61pci_init_txring(struct rt2x00_dev *rt2x00dev, const int queue)
+{
+ struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue);
+ struct data_desc *txd;
+ unsigned int i;
+ u32 word;
+
+ memset(ring->data_addr, 0x00, rt2x00_get_ring_size(ring));
+
+ for (i = 0; i < ring->stats.limit; i++) {
+ txd = ring->entry[i].priv;
+
+ rt2x00_desc_read(txd, 1, &word);
+ rt2x00_set_field32(&word, TXD_W1_BUFFER_COUNT, 1);
+ rt2x00_desc_write(txd, 1, word);
+
+ rt2x00_desc_read(txd, 5, &word);
+ rt2x00_set_field32(&word, TXD_W5_PID_TYPE, queue);
+ rt2x00_set_field32(&word, TXD_W5_PID_SUBTYPE, i);
+ rt2x00_desc_write(txd, 5, word);
+
+ rt2x00_desc_read(txd, 6, &word);
+ rt2x00_set_field32(&word, TXD_W6_BUFFER_PHYSICAL_ADDRESS,
+ ring->entry[i].data_dma);
+ rt2x00_desc_write(txd, 6, word);
+
+ rt2x00_desc_read(txd, 0, &word);
+ rt2x00_set_field32(&word, TXD_W0_VALID, 0);
+ rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
+ rt2x00_desc_write(txd, 0, word);
+ }
+
+ rt2x00_ring_index_clear(ring);
+}
+
+static int rt61pci_init_rings(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ /*
+ * Initialize rings.
+ */
+ rt61pci_init_rxring(rt2x00dev);
+ rt61pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA0);
+ rt61pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA1);
+ rt61pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA2);
+ rt61pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA3);
+ rt61pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA4);
+
+ /*
+ * Initialize registers.
+ */
+ rt2x00pci_register_read(rt2x00dev, TX_RING_CSR0, &reg);
+ rt2x00_set_field32(&reg, TX_RING_CSR0_AC0_RING_SIZE,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].stats.limit);
+ rt2x00_set_field32(&reg, TX_RING_CSR0_AC1_RING_SIZE,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA1].stats.limit);
+ rt2x00_set_field32(&reg, TX_RING_CSR0_AC2_RING_SIZE,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA2].stats.limit);
+ rt2x00_set_field32(&reg, TX_RING_CSR0_AC3_RING_SIZE,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA3].stats.limit);
+ rt2x00pci_register_write(rt2x00dev, TX_RING_CSR0, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TX_RING_CSR1, &reg);
+ rt2x00_set_field32(&reg, TX_RING_CSR1_MGMT_RING_SIZE,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA4].stats.limit);
+ rt2x00_set_field32(&reg, TX_RING_CSR1_TXD_SIZE,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].desc_size /
+ 4);
+ rt2x00pci_register_write(rt2x00dev, TX_RING_CSR1, reg);
+
+ rt2x00pci_register_read(rt2x00dev, AC0_BASE_CSR, &reg);
+ rt2x00_set_field32(&reg, AC0_BASE_CSR_RING_REGISTER,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].data_dma);
+ rt2x00pci_register_write(rt2x00dev, AC0_BASE_CSR, reg);
+
+ rt2x00pci_register_read(rt2x00dev, AC1_BASE_CSR, &reg);
+ rt2x00_set_field32(&reg, AC1_BASE_CSR_RING_REGISTER,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA1].data_dma);
+ rt2x00pci_register_write(rt2x00dev, AC1_BASE_CSR, reg);
+
+ rt2x00pci_register_read(rt2x00dev, AC2_BASE_CSR, &reg);
+ rt2x00_set_field32(&reg, AC2_BASE_CSR_RING_REGISTER,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA2].data_dma);
+ rt2x00pci_register_write(rt2x00dev, AC2_BASE_CSR, reg);
+
+ rt2x00pci_register_read(rt2x00dev, AC3_BASE_CSR, &reg);
+ rt2x00_set_field32(&reg, AC3_BASE_CSR_RING_REGISTER,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA3].data_dma);
+ rt2x00pci_register_write(rt2x00dev, AC3_BASE_CSR, reg);
+
+ rt2x00pci_register_read(rt2x00dev, MGMT_BASE_CSR, &reg);
+ rt2x00_set_field32(&reg, MGMT_BASE_CSR_RING_REGISTER,
+ rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA4].data_dma);
+ rt2x00pci_register_write(rt2x00dev, MGMT_BASE_CSR, reg);
+
+ rt2x00pci_register_read(rt2x00dev, RX_RING_CSR, &reg);
+ rt2x00_set_field32(&reg, RX_RING_CSR_RING_SIZE,
+ rt2x00dev->rx->stats.limit);
+ rt2x00_set_field32(&reg, RX_RING_CSR_RXD_SIZE,
+ rt2x00dev->rx->desc_size / 4);
+ rt2x00_set_field32(&reg, RX_RING_CSR_RXD_WRITEBACK_SIZE, 4);
+ rt2x00pci_register_write(rt2x00dev, RX_RING_CSR, reg);
+
+ rt2x00pci_register_read(rt2x00dev, RX_BASE_CSR, &reg);
+ rt2x00_set_field32(&reg, RX_BASE_CSR_RING_REGISTER,
+ rt2x00dev->rx->data_dma);
+ rt2x00pci_register_write(rt2x00dev, RX_BASE_CSR, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TX_DMA_DST_CSR, &reg);
+ rt2x00_set_field32(&reg, TX_DMA_DST_CSR_DEST_AC0, 2);
+ rt2x00_set_field32(&reg, TX_DMA_DST_CSR_DEST_AC1, 2);
+ rt2x00_set_field32(&reg, TX_DMA_DST_CSR_DEST_AC2, 2);
+ rt2x00_set_field32(&reg, TX_DMA_DST_CSR_DEST_AC3, 2);
+ rt2x00_set_field32(&reg, TX_DMA_DST_CSR_DEST_MGMT, 0);
+ rt2x00pci_register_write(rt2x00dev, TX_DMA_DST_CSR, reg);
+
+ rt2x00pci_register_read(rt2x00dev, LOAD_TX_RING_CSR, &reg);
+ rt2x00_set_field32(&reg, LOAD_TX_RING_CSR_LOAD_TXD_AC0, 1);
+ rt2x00_set_field32(&reg, LOAD_TX_RING_CSR_LOAD_TXD_AC1, 1);
+ rt2x00_set_field32(&reg, LOAD_TX_RING_CSR_LOAD_TXD_AC2, 1);
+ rt2x00_set_field32(&reg, LOAD_TX_RING_CSR_LOAD_TXD_AC3, 1);
+ rt2x00_set_field32(&reg, LOAD_TX_RING_CSR_LOAD_TXD_MGMT, 1);
+ rt2x00pci_register_write(rt2x00dev, LOAD_TX_RING_CSR, reg);
+
+ rt2x00pci_register_read(rt2x00dev, RX_CNTL_CSR, &reg);
+ rt2x00_set_field32(&reg, RX_CNTL_CSR_LOAD_RXD, 1);
+ rt2x00pci_register_write(rt2x00dev, RX_CNTL_CSR, reg);
+
+ return 0;
+}
+
+static int rt61pci_init_registers(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR0_AUTO_TX_SEQ, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 0);
+ rt2x00_set_field32(&reg, TXRX_CSR0_TX_WITHOUT_WAITING, 0);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR1, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0, 47); /* CCK Signal */
+ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0_VALID, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1, 30); /* Rssi */
+ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1_VALID, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2, 42); /* OFDM Rate */
+ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2_VALID, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3, 30); /* Rssi */
+ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3_VALID, 1);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR1, reg);
+
+ /*
+ * CCK TXD BBP registers
+ */
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR2, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0, 13);
+ rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0_VALID, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1, 12);
+ rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1_VALID, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2, 11);
+ rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2_VALID, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3, 10);
+ rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3_VALID, 1);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR2, reg);
+
+ /*
+ * OFDM TXD BBP registers
+ */
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR3, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0, 7);
+ rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0_VALID, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1, 6);
+ rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1_VALID, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2, 5);
+ rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2_VALID, 1);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR3, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR7, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_6MBS, 59);
+ rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_9MBS, 53);
+ rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_12MBS, 49);
+ rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_18MBS, 46);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR7, reg);
+
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR8, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_24MBS, 44);
+ rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_36MBS, 42);
+ rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_48MBS, 42);
+ rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_54MBS, 42);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR8, reg);
+
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f);
+
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR6, 0x00000fff);
+
+ rt2x00pci_register_read(rt2x00dev, MAC_CSR9, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR9_CW_SELECT, 0);
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR9, reg);
+
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR10, 0x0000071c);
+
+ if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
+ return -EBUSY;
+
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR13, 0x0000e000);
+
+ /*
+ * Invalidate all Shared Keys (SEC_CSR0),
+ * and clear the Shared key Cipher algorithms (SEC_CSR1 & SEC_CSR5)
+ */
+ rt2x00pci_register_write(rt2x00dev, SEC_CSR0, 0x00000000);
+ rt2x00pci_register_write(rt2x00dev, SEC_CSR1, 0x00000000);
+ rt2x00pci_register_write(rt2x00dev, SEC_CSR5, 0x00000000);
+
+ rt2x00pci_register_write(rt2x00dev, PHY_CSR1, 0x000023b0);
+ rt2x00pci_register_write(rt2x00dev, PHY_CSR5, 0x060a100c);
+ rt2x00pci_register_write(rt2x00dev, PHY_CSR6, 0x00080606);
+ rt2x00pci_register_write(rt2x00dev, PHY_CSR7, 0x00000a08);
+
+ rt2x00pci_register_write(rt2x00dev, PCI_CFG_CSR, 0x28ca4404);
+
+ rt2x00pci_register_write(rt2x00dev, TEST_MODE_CSR, 0x00000200);
+
+ rt2x00pci_register_write(rt2x00dev, M2H_CMD_DONE_CSR, 0xffffffff);
+
+ rt2x00pci_register_read(rt2x00dev, AC_TXOP_CSR0, &reg);
+ rt2x00_set_field32(&reg, AC_TXOP_CSR0_AC0_TX_OP, 0);
+ rt2x00_set_field32(&reg, AC_TXOP_CSR0_AC1_TX_OP, 0);
+ rt2x00pci_register_write(rt2x00dev, AC_TXOP_CSR0, reg);
+
+ rt2x00pci_register_read(rt2x00dev, AC_TXOP_CSR1, &reg);
+ rt2x00_set_field32(&reg, AC_TXOP_CSR1_AC2_TX_OP, 192);
+ rt2x00_set_field32(&reg, AC_TXOP_CSR1_AC3_TX_OP, 48);
+ rt2x00pci_register_write(rt2x00dev, AC_TXOP_CSR1, reg);
+
+ /*
+ * We must clear the error counters.
+ * These registers are cleared on read,
+ * so we may pass a useless variable to store the value.
+ */
+ rt2x00pci_register_read(rt2x00dev, STA_CSR0, &reg);
+ rt2x00pci_register_read(rt2x00dev, STA_CSR1, &reg);
+ rt2x00pci_register_read(rt2x00dev, STA_CSR2, &reg);
+
+ /*
+ * Reset MAC and BBP registers.
+ */
+ rt2x00pci_register_read(rt2x00dev, MAC_CSR1, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 1);
+ rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 1);
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg);
+
+ rt2x00pci_register_read(rt2x00dev, MAC_CSR1, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 0);
+ rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 0);
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg);
+
+ rt2x00pci_register_read(rt2x00dev, MAC_CSR1, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR1_HOST_READY, 1);
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg);
+
+ return 0;
+}
+
+static int rt61pci_init_bbp(struct rt2x00_dev *rt2x00dev)
+{
+ unsigned int i;
+ u16 eeprom;
+ u8 reg_id;
+ u8 value;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt61pci_bbp_read(rt2x00dev, 0, &value);
+ if ((value != 0xff) && (value != 0x00))
+ goto continue_csr_init;
+ NOTICE(rt2x00dev, "Waiting for BBP register.\n");
+ udelay(REGISTER_BUSY_DELAY);
+ }
+
+ ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
+ return -EACCES;
+
+continue_csr_init:
+ rt61pci_bbp_write(rt2x00dev, 3, 0x00);
+ rt61pci_bbp_write(rt2x00dev, 15, 0x30);
+ rt61pci_bbp_write(rt2x00dev, 21, 0xc8);
+ rt61pci_bbp_write(rt2x00dev, 22, 0x38);
+ rt61pci_bbp_write(rt2x00dev, 23, 0x06);
+ rt61pci_bbp_write(rt2x00dev, 24, 0xfe);
+ rt61pci_bbp_write(rt2x00dev, 25, 0x0a);
+ rt61pci_bbp_write(rt2x00dev, 26, 0x0d);
+ rt61pci_bbp_write(rt2x00dev, 34, 0x12);
+ rt61pci_bbp_write(rt2x00dev, 37, 0x07);
+ rt61pci_bbp_write(rt2x00dev, 39, 0xf8);
+ rt61pci_bbp_write(rt2x00dev, 41, 0x60);
+ rt61pci_bbp_write(rt2x00dev, 53, 0x10);
+ rt61pci_bbp_write(rt2x00dev, 54, 0x18);
+ rt61pci_bbp_write(rt2x00dev, 60, 0x10);
+ rt61pci_bbp_write(rt2x00dev, 61, 0x04);
+ rt61pci_bbp_write(rt2x00dev, 62, 0x04);
+ rt61pci_bbp_write(rt2x00dev, 75, 0xfe);
+ rt61pci_bbp_write(rt2x00dev, 86, 0xfe);
+ rt61pci_bbp_write(rt2x00dev, 88, 0xfe);
+ rt61pci_bbp_write(rt2x00dev, 90, 0x0f);
+ rt61pci_bbp_write(rt2x00dev, 99, 0x00);
+ rt61pci_bbp_write(rt2x00dev, 102, 0x16);
+ rt61pci_bbp_write(rt2x00dev, 107, 0x04);
+
+ DEBUG(rt2x00dev, "Start initialization from EEPROM...\n");
+ for (i = 0; i < EEPROM_BBP_SIZE; i++) {
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
+
+ if (eeprom != 0xffff && eeprom != 0x0000) {
+ reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
+ value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
+ DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n",
+ reg_id, value);
+ rt61pci_bbp_write(rt2x00dev, reg_id, value);
+ }
+ }
+ DEBUG(rt2x00dev, "...End initialization from EEPROM.\n");
+
+ return 0;
+}
+
+/*
+ * Device state switch handlers.
+ */
+static void rt61pci_toggle_rx(struct rt2x00_dev *rt2x00dev,
+ enum dev_state state)
+{
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX,
+ state == STATE_RADIO_RX_OFF);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg);
+}
+
+static void rt61pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
+ enum dev_state state)
+{
+ int mask = (state == STATE_RADIO_IRQ_OFF);
+ u32 reg;
+
+ /*
+ * When interrupts are being enabled, the interrupt registers
+ * should clear the register to assure a clean state.
+ */
+ if (state == STATE_RADIO_IRQ_ON) {
+ rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
+ rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
+
+ rt2x00pci_register_read(rt2x00dev, MCU_INT_SOURCE_CSR, &reg);
+ rt2x00pci_register_write(rt2x00dev, MCU_INT_SOURCE_CSR, reg);
+ }
+
+ /*
+ * Only toggle the interrupts bits we are going to use.
+ * Non-checked interrupt bits are disabled by default.
+ */
+ rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, &reg);
+ rt2x00_set_field32(&reg, INT_MASK_CSR_TXDONE, mask);
+ rt2x00_set_field32(&reg, INT_MASK_CSR_RXDONE, mask);
+ rt2x00_set_field32(&reg, INT_MASK_CSR_ENABLE_MITIGATION, mask);
+ rt2x00_set_field32(&reg, INT_MASK_CSR_MITIGATION_PERIOD, 0xff);
+ rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
+
+ rt2x00pci_register_read(rt2x00dev, MCU_INT_MASK_CSR, &reg);
+ rt2x00_set_field32(&reg, MCU_INT_MASK_CSR_0, mask);
+ rt2x00_set_field32(&reg, MCU_INT_MASK_CSR_1, mask);
+ rt2x00_set_field32(&reg, MCU_INT_MASK_CSR_2, mask);
+ rt2x00_set_field32(&reg, MCU_INT_MASK_CSR_3, mask);
+ rt2x00_set_field32(&reg, MCU_INT_MASK_CSR_4, mask);
+ rt2x00_set_field32(&reg, MCU_INT_MASK_CSR_5, mask);
+ rt2x00_set_field32(&reg, MCU_INT_MASK_CSR_6, mask);
+ rt2x00_set_field32(&reg, MCU_INT_MASK_CSR_7, mask);
+ rt2x00pci_register_write(rt2x00dev, MCU_INT_MASK_CSR, reg);
+}
+
+static int rt61pci_enable_radio(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ /*
+ * Initialize all registers.
+ */
+ if (rt61pci_init_rings(rt2x00dev) ||
+ rt61pci_init_registers(rt2x00dev) ||
+ rt61pci_init_bbp(rt2x00dev)) {
+ ERROR(rt2x00dev, "Register initialization failed.\n");
+ return -EIO;
+ }
+
+ /*
+ * Enable interrupts.
+ */
+ rt61pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_ON);
+
+ /*
+ * Enable RX.
+ */
+ rt2x00pci_register_read(rt2x00dev, RX_CNTL_CSR, &reg);
+ rt2x00_set_field32(&reg, RX_CNTL_CSR_ENABLE_RX_DMA, 1);
+ rt2x00pci_register_write(rt2x00dev, RX_CNTL_CSR, reg);
+
+ /*
+ * Enable LED
+ */
+ rt61pci_enable_led(rt2x00dev);
+
+ return 0;
+}
+
+static void rt61pci_disable_radio(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ /*
+ * Disable LED
+ */
+ rt61pci_disable_led(rt2x00dev);
+
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR10, 0x00001818);
+
+ /*
+ * Disable synchronisation.
+ */
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, 0);
+
+ /*
+ * Cancel RX and TX.
+ */
+ rt2x00pci_register_read(rt2x00dev, TX_CNTL_CSR, &reg);
+ rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC0, 1);
+ rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC1, 1);
+ rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC2, 1);
+ rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC3, 1);
+ rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_MGMT, 1);
+ rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg);
+
+ /*
+ * Disable interrupts.
+ */
+ rt61pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_OFF);
+}
+
+static int rt61pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state)
+{
+ u32 reg;
+ unsigned int i;
+ char put_to_sleep;
+ char current_state;
+
+ put_to_sleep = (state != STATE_AWAKE);
+
+ rt2x00pci_register_read(rt2x00dev, MAC_CSR12, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR12_FORCE_WAKEUP, !put_to_sleep);
+ rt2x00_set_field32(&reg, MAC_CSR12_PUT_TO_SLEEP, put_to_sleep);
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR12, reg);
+
+ /*
+ * Device is not guaranteed to be in the requested state yet.
+ * We must wait until the register indicates that the
+ * device has entered the correct state.
+ */
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt2x00pci_register_read(rt2x00dev, MAC_CSR12, &reg);
+ current_state =
+ rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE);
+ if (current_state == !put_to_sleep)
+ return 0;
+ msleep(10);
+ }
+
+ NOTICE(rt2x00dev, "Device failed to enter state %d, "
+ "current device state %d.\n", !put_to_sleep, current_state);
+
+ return -EBUSY;
+}
+
+static int rt61pci_set_device_state(struct rt2x00_dev *rt2x00dev,
+ enum dev_state state)
+{
+ int retval = 0;
+
+ switch (state) {
+ case STATE_RADIO_ON:
+ retval = rt61pci_enable_radio(rt2x00dev);
+ break;
+ case STATE_RADIO_OFF:
+ rt61pci_disable_radio(rt2x00dev);
+ break;
+ case STATE_RADIO_RX_ON:
+ case STATE_RADIO_RX_OFF:
+ rt61pci_toggle_rx(rt2x00dev, state);
+ break;
+ case STATE_DEEP_SLEEP:
+ case STATE_SLEEP:
+ case STATE_STANDBY:
+ case STATE_AWAKE:
+ retval = rt61pci_set_state(rt2x00dev, state);
+ break;
+ default:
+ retval = -ENOTSUPP;
+ break;
+ }
+
+ return retval;
+}
+
+/*
+ * TX descriptor initialization
+ */
+static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
+ struct data_desc *txd,
+ struct data_entry_desc *desc,
+ struct ieee80211_hdr *ieee80211hdr,
+ unsigned int length,
+ struct ieee80211_tx_control *control)
+{
+ u32 word;
+
+ /*
+ * Start writing the descriptor words.
+ */
+ rt2x00_desc_read(txd, 1, &word);
+ rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, desc->queue);
+ rt2x00_set_field32(&word, TXD_W1_AIFSN, desc->aifs);
+ rt2x00_set_field32(&word, TXD_W1_CWMIN, desc->cw_min);
+ rt2x00_set_field32(&word, TXD_W1_CWMAX, desc->cw_max);
+ rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER);
+ rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE, 1);
+ rt2x00_desc_write(txd, 1, word);
+
+ rt2x00_desc_read(txd, 2, &word);
+ rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, desc->signal);
+ rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, desc->service);
+ rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, desc->length_low);
+ rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, desc->length_high);
+ rt2x00_desc_write(txd, 2, word);
+
+ rt2x00_desc_read(txd, 5, &word);
+ rt2x00_set_field32(&word, TXD_W5_TX_POWER,
+ TXPOWER_TO_DEV(control->power_level));
+ rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1);
+ rt2x00_desc_write(txd, 5, word);
+
+ rt2x00_desc_read(txd, 11, &word);
+ rt2x00_set_field32(&word, TXD_W11_BUFFER_LENGTH0, length);
+ rt2x00_desc_write(txd, 11, word);
+
+ rt2x00_desc_read(txd, 0, &word);
+ rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1);
+ rt2x00_set_field32(&word, TXD_W0_VALID, 1);
+ rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
+ test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags));
+ rt2x00_set_field32(&word, TXD_W0_ACK,
+ !(control->flags & IEEE80211_TXCTL_NO_ACK));
+ rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
+ test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags));
+ rt2x00_set_field32(&word, TXD_W0_OFDM,
+ test_bit(ENTRY_TXD_OFDM_RATE, &desc->flags));
+ rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs);
+ rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
+ !!(control->flags &
+ IEEE80211_TXCTL_LONG_RETRY_LIMIT));
+ rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, 0);
+ rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, length);
+ rt2x00_set_field32(&word, TXD_W0_BURST,
+ test_bit(ENTRY_TXD_BURST, &desc->flags));
+ rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE);
+ rt2x00_desc_write(txd, 0, word);
+}
+
+/*
+ * TX data initialization
+ */
+static void rt61pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
+ unsigned int queue)
+{
+ u32 reg;
+
+ if (queue == IEEE80211_TX_QUEUE_BEACON) {
+ /*
+ * For Wi-Fi faily generated beacons between participating
+ * stations. Set TBTT phase adaptive adjustment step to 8us.
+ */
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR10, 0x00001008);
+
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, &reg);
+ if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) {
+ rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
+ }
+ return;
+ }
+
+ rt2x00pci_register_read(rt2x00dev, TX_CNTL_CSR, &reg);
+ if (queue == IEEE80211_TX_QUEUE_DATA0)
+ rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_AC0, 1);
+ else if (queue == IEEE80211_TX_QUEUE_DATA1)
+ rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_AC1, 1);
+ else if (queue == IEEE80211_TX_QUEUE_DATA2)
+ rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_AC2, 1);
+ else if (queue == IEEE80211_TX_QUEUE_DATA3)
+ rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_AC3, 1);
+ else if (queue == IEEE80211_TX_QUEUE_DATA4)
+ rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_MGMT, 1);
+ rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg);
+}
+
+/*
+ * RX control handlers
+ */
+static int rt61pci_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1)
+{
+ u16 eeprom;
+ u8 offset;
+ u8 lna;
+
+ lna = rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_LNA);
+ switch (lna) {
+ case 3:
+ offset = 90;
+ break;
+ case 2:
+ offset = 74;
+ break;
+ case 1:
+ offset = 64;
+ break;
+ default:
+ return 0;
+ }
+
+ if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A) {
+ if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags))
+ offset += 14;
+
+ if (lna == 3 || lna == 2)
+ offset += 10;
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &eeprom);
+ offset -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_A_1);
+ } else {
+ if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags))
+ offset += 14;
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &eeprom);
+ offset -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_BG_1);
+ }
+
+ return rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_AGC) * 2 - offset;
+}
+
+static int rt61pci_fill_rxdone(struct data_entry *entry,
+ int *signal, int *rssi, int *ofdm, int *size)
+{
+ struct data_desc *rxd = entry->priv;
+ u32 word0;
+ u32 word1;
+
+ rt2x00_desc_read(rxd, 0, &word0);
+ rt2x00_desc_read(rxd, 1, &word1);
+
+ if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR) ||
+ rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR))
+ return -EINVAL;
+
+ /*
+ * Obtain the status about this packet.
+ */
+ *signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
+ *rssi = rt61pci_agc_to_rssi(entry->ring->rt2x00dev, word1);
+ *ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM);
+ *size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
+
+ return 0;
+}
+
+/*
+ * Interrupt functions.
+ */
+static void rt61pci_txdone(struct rt2x00_dev *rt2x00dev)
+{
+ struct data_ring *ring;
+ struct data_entry *entry;
+ struct data_desc *txd;
+ u32 word;
+ u32 reg;
+ u32 old_reg;
+ int type;
+ int index;
+ int tx_status;
+ int retry;
+
+ /*
+ * During each loop we will compare the freshly read
+ * STA_CSR4 register value with the value read from
+ * the previous loop. If the 2 values are equal then
+ * we should stop processing because the chance it
+ * quite big that the device has been unplugged and
+ * we risk going into an endless loop.
+ */
+ old_reg = 0;
+
+ while (1) {
+ rt2x00pci_register_read(rt2x00dev, STA_CSR4, &reg);
+ if (!rt2x00_get_field32(reg, STA_CSR4_VALID))
+ break;
+
+ if (old_reg == reg)
+ break;
+ old_reg = reg;
+
+ /*
+ * Skip this entry when it contains an invalid
+ * ring identication number.
+ */
+ type = rt2x00_get_field32(reg, STA_CSR4_PID_TYPE);
+ ring = rt2x00lib_get_ring(rt2x00dev, type);
+ if (unlikely(!ring))
+ continue;
+
+ /*
+ * Skip this entry when it contains an invalid
+ * index number.
+ */
+ index = rt2x00_get_field32(reg, STA_CSR4_PID_SUBTYPE);
+ if (unlikely(index >= ring->stats.limit))
+ continue;
+
+ entry = &ring->entry[index];
+ txd = entry->priv;
+ rt2x00_desc_read(txd, 0, &word);
+
+ if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
+ !rt2x00_get_field32(word, TXD_W0_VALID))
+ return;
+
+ /*
+ * Obtain the status about this packet.
+ */
+ tx_status = rt2x00_get_field32(reg, STA_CSR4_TX_RESULT);
+ retry = rt2x00_get_field32(reg, STA_CSR4_RETRY_COUNT);
+
+ rt2x00lib_txdone(entry, tx_status, retry);
+
+ /*
+ * Make this entry available for reuse.
+ */
+ entry->flags = 0;
+ rt2x00_set_field32(&word, TXD_W0_VALID, 0);
+ rt2x00_desc_write(txd, 0, word);
+ rt2x00_ring_index_done_inc(entry->ring);
+
+ /*
+ * If the data ring was full before the txdone handler
+ * we must make sure the packet queue in the mac80211 stack
+ * is reenabled when the txdone handler has finished.
+ */
+ if (!rt2x00_ring_full(ring))
+ ieee80211_wake_queue(rt2x00dev->hw,
+ entry->tx_status.control.queue);
+ }
+}
+
+static irqreturn_t rt61pci_interrupt(int irq, void *dev_instance)
+{
+ struct rt2x00_dev *rt2x00dev = dev_instance;
+ u32 reg_mcu;
+ u32 reg;
+
+ /*
+ * Get the interrupt sources & saved to local variable.
+ * Write register value back to clear pending interrupts.
+ */
+ rt2x00pci_register_read(rt2x00dev, MCU_INT_SOURCE_CSR, &reg_mcu);
+ rt2x00pci_register_write(rt2x00dev, MCU_INT_SOURCE_CSR, reg_mcu);
+
+ rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
+ rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
+
+ if (!reg && !reg_mcu)
+ return IRQ_NONE;
+
+ if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+ return IRQ_HANDLED;
+
+ /*
+ * Handle interrupts, walk through all bits
+ * and run the tasks, the bits are checked in order of
+ * priority.
+ */
+
+ /*
+ * 1 - Rx ring done interrupt.
+ */
+ if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RXDONE))
+ rt2x00pci_rxdone(rt2x00dev);
+
+ /*
+ * 2 - Tx ring done interrupt.
+ */
+ if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TXDONE))
+ rt61pci_txdone(rt2x00dev);
+
+ /*
+ * 3 - Handle MCU command done.
+ */
+ if (reg_mcu)
+ rt2x00pci_register_write(rt2x00dev,
+ M2H_CMD_DONE_CSR, 0xffffffff);
+
+ return IRQ_HANDLED;
+}
+
+/*
+ * Device probe functions.
+ */
+static int rt61pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+ struct eeprom_93cx6 eeprom;
+ u32 reg;
+ u16 word;
+ u8 *mac;
+ s8 value;
+
+ rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, &reg);
+
+ eeprom.data = rt2x00dev;
+ eeprom.register_read = rt61pci_eepromregister_read;
+ eeprom.register_write = rt61pci_eepromregister_write;
+ eeprom.width = rt2x00_get_field32(reg, E2PROM_CSR_TYPE_93C46) ?
+ PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66;
+ eeprom.reg_data_in = 0;
+ eeprom.reg_data_out = 0;
+ eeprom.reg_data_clock = 0;
+ eeprom.reg_chip_select = 0;
+
+ eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
+ EEPROM_SIZE / sizeof(u16));
+
+ /*
+ * Start validation of the data that has been read.
+ */
+ mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
+ if (!is_valid_ether_addr(mac)) {
+ random_ether_addr(mac);
+ EEPROM(rt2x00dev, "MAC: " MAC_FMT "\n", MAC_ARG(mac));
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
+ if (word == 0xffff) {
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, 2);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, 2);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_FRAME_TYPE, 0);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF5225);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
+ EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
+ if (word == 0xffff) {
+ rt2x00_set_field16(&word, EEPROM_NIC_ENABLE_DIVERSITY, 0);
+ rt2x00_set_field16(&word, EEPROM_NIC_TX_DIVERSITY, 0);
+ rt2x00_set_field16(&word, EEPROM_NIC_TX_RX_FIXED, 0);
+ rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0);
+ rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
+ rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
+ EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &word);
+ if (word == 0xffff) {
+ rt2x00_set_field16(&word, EEPROM_LED_LED_MODE,
+ LED_MODE_DEFAULT);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_LED, word);
+ EEPROM(rt2x00dev, "Led: 0x%04x\n", word);
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
+ if (word == 0xffff) {
+ rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
+ rt2x00_set_field16(&word, EEPROM_FREQ_SEQ, 0);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
+ EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &word);
+ if (word == 0xffff) {
+ rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
+ rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
+ EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word);
+ } else {
+ value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_1);
+ if (value < -10 || value > 10)
+ rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
+ value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_2);
+ if (value < -10 || value > 10)
+ rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
+ }
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &word);
+ if (word == 0xffff) {
+ rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
+ rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
+ EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word);
+ } else {
+ value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_1);
+ if (value < -10 || value > 10)
+ rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
+ value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_2);
+ if (value < -10 || value > 10)
+ rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
+ }
+
+ return 0;
+}
+
+static int rt61pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+ u16 value;
+ u16 eeprom;
+ u16 device;
+
+ /*
+ * Read EEPROM word for configuration.
+ */
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
+
+ /*
+ * Identify RF chipset.
+ * To determine the RT chip we have to read the
+ * PCI header of the device.
+ */
+ pci_read_config_word(rt2x00dev_pci(rt2x00dev),
+ PCI_CONFIG_HEADER_DEVICE, &device);
+ value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
+ rt2x00pci_register_read(rt2x00dev, MAC_CSR0, &reg);
+ rt2x00_set_chip(rt2x00dev, device, value, reg);
+
+ if (!rt2x00_rf(&rt2x00dev->chip, RF5225) &&
+ !rt2x00_rf(&rt2x00dev->chip, RF5325) &&
+ !rt2x00_rf(&rt2x00dev->chip, RF2527) &&
+ !rt2x00_rf(&rt2x00dev->chip, RF2529)) {
+ ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
+ return -ENODEV;
+ }
+
+ /*
+ * Identify default antenna configuration.
+ */
+ rt2x00dev->hw->conf.antenna_sel_tx =
+ rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
+ rt2x00dev->hw->conf.antenna_sel_rx =
+ rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
+
+ /*
+ * Read the Frame type.
+ */
+ if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_FRAME_TYPE))
+ __set_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags);
+
+ /*
+ * Determine number of antenna's.
+ */
+ if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_NUM) == 2)
+ __set_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags);
+
+ /*
+ * Detect if this device has an hardware controlled radio.
+ */
+ if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
+ __set_bit(DEVICE_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
+
+ /*
+ * Read frequency offset and RF programming sequence.
+ */
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
+ if (rt2x00_get_field16(eeprom, EEPROM_FREQ_SEQ))
+ __set_bit(CONFIG_RF_SEQUENCE, &rt2x00dev->flags);
+
+ rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
+
+ /*
+ * Read external LNA informations.
+ */
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
+
+ if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_A))
+ __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
+ if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG))
+ __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
+
+ /*
+ * Store led settings, for correct led behaviour.
+ * If the eeprom value is invalid,
+ * switch to default led mode.
+ */
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom);
+
+ rt2x00dev->led_mode = rt2x00_get_field16(eeprom, EEPROM_LED_LED_MODE);
+
+ rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LED_MODE,
+ rt2x00dev->led_mode);
+ rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_0,
+ rt2x00_get_field16(eeprom,
+ EEPROM_LED_POLARITY_GPIO_0));
+ rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_1,
+ rt2x00_get_field16(eeprom,
+ EEPROM_LED_POLARITY_GPIO_1));
+ rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_2,
+ rt2x00_get_field16(eeprom,
+ EEPROM_LED_POLARITY_GPIO_2));
+ rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_3,
+ rt2x00_get_field16(eeprom,
+ EEPROM_LED_POLARITY_GPIO_3));
+ rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_4,
+ rt2x00_get_field16(eeprom,
+ EEPROM_LED_POLARITY_GPIO_4));
+ rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_ACT,
+ rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_ACT));
+ rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_READY_BG,
+ rt2x00_get_field16(eeprom,
+ EEPROM_LED_POLARITY_RDY_G));
+ rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_READY_A,
+ rt2x00_get_field16(eeprom,
+ EEPROM_LED_POLARITY_RDY_A));
+
+ return 0;
+}
+
+/*
+ * RF value list for RF5225 & RF5325
+ * Supports: 2.4 GHz & 5.2 GHz, rf_sequence disabled
+ */
+static const struct rf_channel rf_vals_noseq[] = {
+ { 1, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b },
+ { 2, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f },
+ { 3, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b },
+ { 4, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f },
+ { 5, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b },
+ { 6, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f },
+ { 7, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b },
+ { 8, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f },
+ { 9, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b },
+ { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f },
+ { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b },
+ { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f },
+ { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b },
+ { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 },
+
+ /* 802.11 UNI / HyperLan 2 */
+ { 36, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa23 },
+ { 40, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa03 },
+ { 44, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa0b },
+ { 48, 0x00002ccc, 0x000049aa, 0x0009be55, 0x000ffa13 },
+ { 52, 0x00002ccc, 0x000049ae, 0x0009ae55, 0x000ffa1b },
+ { 56, 0x00002ccc, 0x000049b2, 0x0009ae55, 0x000ffa23 },
+ { 60, 0x00002ccc, 0x000049ba, 0x0009ae55, 0x000ffa03 },
+ { 64, 0x00002ccc, 0x000049be, 0x0009ae55, 0x000ffa0b },
+
+ /* 802.11 HyperLan 2 */
+ { 100, 0x00002ccc, 0x00004a2a, 0x000bae55, 0x000ffa03 },
+ { 104, 0x00002ccc, 0x00004a2e, 0x000bae55, 0x000ffa0b },
+ { 108, 0x00002ccc, 0x00004a32, 0x000bae55, 0x000ffa13 },
+ { 112, 0x00002ccc, 0x00004a36, 0x000bae55, 0x000ffa1b },
+ { 116, 0x00002ccc, 0x00004a3a, 0x000bbe55, 0x000ffa23 },
+ { 120, 0x00002ccc, 0x00004a82, 0x000bbe55, 0x000ffa03 },
+ { 124, 0x00002ccc, 0x00004a86, 0x000bbe55, 0x000ffa0b },
+ { 128, 0x00002ccc, 0x00004a8a, 0x000bbe55, 0x000ffa13 },
+ { 132, 0x00002ccc, 0x00004a8e, 0x000bbe55, 0x000ffa1b },
+ { 136, 0x00002ccc, 0x00004a92, 0x000bbe55, 0x000ffa23 },
+
+ /* 802.11 UNII */
+ { 140, 0x00002ccc, 0x00004a9a, 0x000bbe55, 0x000ffa03 },
+ { 149, 0x00002ccc, 0x00004aa2, 0x000bbe55, 0x000ffa1f },
+ { 153, 0x00002ccc, 0x00004aa6, 0x000bbe55, 0x000ffa27 },
+ { 157, 0x00002ccc, 0x00004aae, 0x000bbe55, 0x000ffa07 },
+ { 161, 0x00002ccc, 0x00004ab2, 0x000bbe55, 0x000ffa0f },
+ { 165, 0x00002ccc, 0x00004ab6, 0x000bbe55, 0x000ffa17 },
+
+ /* MMAC(Japan)J52 ch 34,38,42,46 */
+ { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa0b },
+ { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000ffa13 },
+ { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa1b },
+ { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa23 },
+};
+
+/*
+ * RF value list for RF5225 & RF5325
+ * Supports: 2.4 GHz & 5.2 GHz, rf_sequence enabled
+ */
+static const struct rf_channel rf_vals_seq[] = {
+ { 1, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b },
+ { 2, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f },
+ { 3, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b },
+ { 4, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f },
+ { 5, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b },
+ { 6, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f },
+ { 7, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b },
+ { 8, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f },
+ { 9, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b },
+ { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f },
+ { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b },
+ { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f },
+ { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b },
+ { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 },
+
+ /* 802.11 UNI / HyperLan 2 */
+ { 36, 0x00002cd4, 0x0004481a, 0x00098455, 0x000c0a03 },
+ { 40, 0x00002cd0, 0x00044682, 0x00098455, 0x000c0a03 },
+ { 44, 0x00002cd0, 0x00044686, 0x00098455, 0x000c0a1b },
+ { 48, 0x00002cd0, 0x0004468e, 0x00098655, 0x000c0a0b },
+ { 52, 0x00002cd0, 0x00044692, 0x00098855, 0x000c0a23 },
+ { 56, 0x00002cd0, 0x0004469a, 0x00098c55, 0x000c0a13 },
+ { 60, 0x00002cd0, 0x000446a2, 0x00098e55, 0x000c0a03 },
+ { 64, 0x00002cd0, 0x000446a6, 0x00099255, 0x000c0a1b },
+
+ /* 802.11 HyperLan 2 */
+ { 100, 0x00002cd4, 0x0004489a, 0x000b9855, 0x000c0a03 },
+ { 104, 0x00002cd4, 0x000448a2, 0x000b9855, 0x000c0a03 },
+ { 108, 0x00002cd4, 0x000448aa, 0x000b9855, 0x000c0a03 },
+ { 112, 0x00002cd4, 0x000448b2, 0x000b9a55, 0x000c0a03 },
+ { 116, 0x00002cd4, 0x000448ba, 0x000b9a55, 0x000c0a03 },
+ { 120, 0x00002cd0, 0x00044702, 0x000b9a55, 0x000c0a03 },
+ { 124, 0x00002cd0, 0x00044706, 0x000b9a55, 0x000c0a1b },
+ { 128, 0x00002cd0, 0x0004470e, 0x000b9c55, 0x000c0a0b },
+ { 132, 0x00002cd0, 0x00044712, 0x000b9c55, 0x000c0a23 },
+ { 136, 0x00002cd0, 0x0004471a, 0x000b9e55, 0x000c0a13 },
+
+ /* 802.11 UNII */
+ { 140, 0x00002cd0, 0x00044722, 0x000b9e55, 0x000c0a03 },
+ { 149, 0x00002cd0, 0x0004472e, 0x000ba255, 0x000c0a1b },
+ { 153, 0x00002cd0, 0x00044736, 0x000ba255, 0x000c0a0b },
+ { 157, 0x00002cd4, 0x0004490a, 0x000ba255, 0x000c0a17 },
+ { 161, 0x00002cd4, 0x00044912, 0x000ba255, 0x000c0a17 },
+ { 165, 0x00002cd4, 0x0004491a, 0x000ba255, 0x000c0a17 },
+
+ /* MMAC(Japan)J52 ch 34,38,42,46 */
+ { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000c0a0b },
+ { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000c0a13 },
+ { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000c0a1b },
+ { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000c0a23 },
+};
+
+static void rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
+{
+ struct hw_mode_spec *spec = &rt2x00dev->spec;
+ u8 *txpower;
+ unsigned int i;
+
+ /*
+ * Initialize all hw fields.
+ */
+ rt2x00dev->hw->flags =
+ IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE |
+ IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+ IEEE80211_HW_MONITOR_DURING_OPER |
+ IEEE80211_HW_NO_PROBE_FILTERING;
+ rt2x00dev->hw->extra_tx_headroom = 0;
+ rt2x00dev->hw->max_signal = MAX_SIGNAL;
+ rt2x00dev->hw->max_rssi = MAX_RX_SSI;
+ rt2x00dev->hw->queues = 5;
+
+ SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_pci(rt2x00dev)->dev);
+ SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
+ rt2x00_eeprom_addr(rt2x00dev,
+ EEPROM_MAC_ADDR_0));
+
+ /*
+ * Convert tx_power array in eeprom.
+ */
+ txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START);
+ for (i = 0; i < 14; i++)
+ txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
+
+ /*
+ * Initialize hw_mode information.
+ */
+ spec->num_modes = 2;
+ spec->num_rates = 12;
+ spec->tx_power_a = NULL;
+ spec->tx_power_bg = txpower;
+ spec->tx_power_default = DEFAULT_TXPOWER;
+
+ if (!test_bit(CONFIG_RF_SEQUENCE, &rt2x00dev->flags)) {
+ spec->num_channels = 14;
+ spec->channels = rf_vals_noseq;
+ } else {
+ spec->num_channels = 14;
+ spec->channels = rf_vals_seq;
+ }
+
+ if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
+ rt2x00_rf(&rt2x00dev->chip, RF5325)) {
+ spec->num_modes = 3;
+ spec->num_channels = ARRAY_SIZE(rf_vals_seq);
+
+ txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
+ for (i = 0; i < 14; i++)
+ txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
+
+ spec->tx_power_a = txpower;
+ }
+}
+
+static int rt61pci_probe_hw(struct rt2x00_dev *rt2x00dev)
+{
+ int retval;
+
+ /*
+ * Allocate eeprom data.
+ */
+ retval = rt61pci_validate_eeprom(rt2x00dev);
+ if (retval)
+ return retval;
+
+ retval = rt61pci_init_eeprom(rt2x00dev);
+ if (retval)
+ return retval;
+
+ /*
+ * Initialize hw specifications.
+ */
+ rt61pci_probe_hw_mode(rt2x00dev);
+
+ /*
+ * This device requires firmware
+ */
+ __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->flags);
+
+ /*
+ * Set the rssi offset.
+ */
+ rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
+
+ return 0;
+}
+
+/*
+ * IEEE80211 stack callback functions.
+ */
+static int rt61pci_set_retry_limit(struct ieee80211_hw *hw,
+ u32 short_retry, u32 long_retry)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR4_LONG_RETRY_LIMIT, long_retry);
+ rt2x00_set_field32(&reg, TXRX_CSR4_SHORT_RETRY_LIMIT, short_retry);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg);
+
+ return 0;
+}
+
+static u64 rt61pci_get_tsf(struct ieee80211_hw *hw)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ u64 tsf;
+ u32 reg;
+
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR13, &reg);
+ tsf = (u64) rt2x00_get_field32(reg, TXRX_CSR13_HIGH_TSFTIMER) << 32;
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR12, &reg);
+ tsf |= rt2x00_get_field32(reg, TXRX_CSR12_LOW_TSFTIMER);
+
+ return tsf;
+}
+
+static void rt61pci_reset_tsf(struct ieee80211_hw *hw)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR12, 0);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR13, 0);
+}
+
+int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
+ struct ieee80211_tx_control *control)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+
+ /*
+ * Just in case the ieee80211 doesn't set this,
+ * but we need this queue set for the descriptor
+ * initialization.
+ */
+ control->queue = IEEE80211_TX_QUEUE_BEACON;
+
+ /*
+ * We need to append the descriptor in front of the
+ * beacon frame.
+ */
+ if (skb_headroom(skb) < TXD_DESC_SIZE) {
+ if (pskb_expand_head(skb, TXD_DESC_SIZE, 0, GFP_ATOMIC)) {
+ dev_kfree_skb(skb);
+ return -ENOMEM;
+ }
+ }
+
+ /*
+ * First we create the beacon.
+ */
+ skb_push(skb, TXD_DESC_SIZE);
+ rt2x00lib_write_tx_desc(rt2x00dev, (struct data_desc *)skb->data,
+ (struct ieee80211_hdr *)(skb->data +
+ TXD_DESC_SIZE),
+ skb->len - TXD_DESC_SIZE, control);
+
+ /*
+ * Write entire beacon with descriptor to register,
+ * and kick the beacon generator.
+ */
+ rt2x00pci_register_multiwrite(rt2x00dev, HW_BEACON_BASE0, skb->data, skb->len);
+ rt61pci_kick_tx_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
+
+ return 0;
+}
+
+static const struct ieee80211_ops rt61pci_mac80211_ops = {
+ .tx = rt2x00mac_tx,
+ .add_interface = rt2x00mac_add_interface,
+ .remove_interface = rt2x00mac_remove_interface,
+ .config = rt2x00mac_config,
+ .config_interface = rt2x00mac_config_interface,
+ .set_multicast_list = rt2x00mac_set_multicast_list,
+ .get_stats = rt2x00mac_get_stats,
+ .set_retry_limit = rt61pci_set_retry_limit,
+ .conf_tx = rt2x00mac_conf_tx,
+ .get_tx_stats = rt2x00mac_get_tx_stats,
+ .get_tsf = rt61pci_get_tsf,
+ .reset_tsf = rt61pci_reset_tsf,
+ .beacon_update = rt61pci_beacon_update,
+};
+
+static const struct rt2x00lib_ops rt61pci_rt2x00_ops = {
+ .irq_handler = rt61pci_interrupt,
+ .probe_hw = rt61pci_probe_hw,
+ .get_firmware_name = rt61pci_get_firmware_name,
+ .load_firmware = rt61pci_load_firmware,
+ .initialize = rt2x00pci_initialize,
+ .uninitialize = rt2x00pci_uninitialize,
+ .set_device_state = rt61pci_set_device_state,
+#ifdef CONFIG_RT61PCI_RFKILL
+ .rfkill_poll = rt61pci_rfkill_poll,
+#endif /* CONFIG_RT61PCI_RFKILL */
+ .link_stats = rt61pci_link_stats,
+ .reset_tuner = rt61pci_reset_tuner,
+ .link_tuner = rt61pci_link_tuner,
+ .write_tx_desc = rt61pci_write_tx_desc,
+ .write_tx_data = rt2x00pci_write_tx_data,
+ .kick_tx_queue = rt61pci_kick_tx_queue,
+ .fill_rxdone = rt61pci_fill_rxdone,
+ .config_mac_addr = rt61pci_config_mac_addr,
+ .config_bssid = rt61pci_config_bssid,
+ .config_packet_filter = rt61pci_config_packet_filter,
+ .config_type = rt61pci_config_type,
+ .config = rt61pci_config,
+};
+
+static const struct rt2x00_ops rt61pci_ops = {
+ .name = DRV_NAME,
+ .rxd_size = RXD_DESC_SIZE,
+ .txd_size = TXD_DESC_SIZE,
+ .eeprom_size = EEPROM_SIZE,
+ .rf_size = RF_SIZE,
+ .lib = &rt61pci_rt2x00_ops,
+ .hw = &rt61pci_mac80211_ops,
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+ .debugfs = &rt61pci_rt2x00debug,
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+};
+
+/*
+ * RT61pci module information.
+ */
+static struct pci_device_id rt61pci_device_table[] = {
+ /* RT2561s */
+ { PCI_DEVICE(0x1814, 0x0301), PCI_DEVICE_DATA(&rt61pci_ops) },
+ /* RT2561 v2 */
+ { PCI_DEVICE(0x1814, 0x0302), PCI_DEVICE_DATA(&rt61pci_ops) },
+ /* RT2661 */
+ { PCI_DEVICE(0x1814, 0x0401), PCI_DEVICE_DATA(&rt61pci_ops) },
+ { 0, }
+};
+
+MODULE_AUTHOR(DRV_PROJECT);
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("Ralink RT61 PCI & PCMCIA Wireless LAN driver.");
+MODULE_SUPPORTED_DEVICE("Ralink RT2561, RT2561s & RT2661 "
+ "PCI & PCMCIA chipset based cards");
+MODULE_DEVICE_TABLE(pci, rt61pci_device_table);
+MODULE_FIRMWARE(FIRMWARE_RT2561);
+MODULE_FIRMWARE(FIRMWARE_RT2561s);
+MODULE_FIRMWARE(FIRMWARE_RT2661);
+MODULE_LICENSE("GPL");
+
+static struct pci_driver rt61pci_driver = {
+ .name = DRV_NAME,
+ .id_table = rt61pci_device_table,
+ .probe = rt2x00pci_probe,
+ .remove = __devexit_p(rt2x00pci_remove),
+ .suspend = rt2x00pci_suspend,
+ .resume = rt2x00pci_resume,
+};
+
+static int __init rt61pci_init(void)
+{
+ return pci_register_driver(&rt61pci_driver);
+}
+
+static void __exit rt61pci_exit(void)
+{
+ pci_unregister_driver(&rt61pci_driver);
+}
+
+module_init(rt61pci_init);
+module_exit(rt61pci_exit);
diff --git a/drivers/net/wireless/rt2x00/rt61pci.h b/drivers/net/wireless/rt2x00/rt61pci.h
new file mode 100644
index 00000000000..6721d7dd32b
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt61pci.h
@@ -0,0 +1,1457 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt61pci
+ Abstract: Data structures and registers for the rt61pci module.
+ Supported chipsets: RT2561, RT2561s, RT2661.
+ */
+
+#ifndef RT61PCI_H
+#define RT61PCI_H
+
+/*
+ * RF chip defines.
+ */
+#define RF5225 0x0001
+#define RF5325 0x0002
+#define RF2527 0x0003
+#define RF2529 0x0004
+
+/*
+ * Signal information.
+ * Defaul offset is required for RSSI <-> dBm conversion.
+ */
+#define MAX_SIGNAL 100
+#define MAX_RX_SSI -1
+#define DEFAULT_RSSI_OFFSET 120
+
+/*
+ * Register layout information.
+ */
+#define CSR_REG_BASE 0x3000
+#define CSR_REG_SIZE 0x04b0
+#define EEPROM_BASE 0x0000
+#define EEPROM_SIZE 0x0100
+#define BBP_SIZE 0x0080
+#define RF_SIZE 0x0014
+
+/*
+ * PCI registers.
+ */
+
+/*
+ * PCI Configuration Header
+ */
+#define PCI_CONFIG_HEADER_VENDOR 0x0000
+#define PCI_CONFIG_HEADER_DEVICE 0x0002
+
+/*
+ * HOST_CMD_CSR: For HOST to interrupt embedded processor
+ */
+#define HOST_CMD_CSR 0x0008
+#define HOST_CMD_CSR_HOST_COMMAND FIELD32(0x0000007f)
+#define HOST_CMD_CSR_INTERRUPT_MCU FIELD32(0x00000080)
+
+/*
+ * MCU_CNTL_CSR
+ * SELECT_BANK: Select 8051 program bank.
+ * RESET: Enable 8051 reset state.
+ * READY: Ready state for 8051.
+ */
+#define MCU_CNTL_CSR 0x000c
+#define MCU_CNTL_CSR_SELECT_BANK FIELD32(0x00000001)
+#define MCU_CNTL_CSR_RESET FIELD32(0x00000002)
+#define MCU_CNTL_CSR_READY FIELD32(0x00000004)
+
+/*
+ * SOFT_RESET_CSR
+ */
+#define SOFT_RESET_CSR 0x0010
+
+/*
+ * MCU_INT_SOURCE_CSR: MCU interrupt source/mask register.
+ */
+#define MCU_INT_SOURCE_CSR 0x0014
+#define MCU_INT_SOURCE_CSR_0 FIELD32(0x00000001)
+#define MCU_INT_SOURCE_CSR_1 FIELD32(0x00000002)
+#define MCU_INT_SOURCE_CSR_2 FIELD32(0x00000004)
+#define MCU_INT_SOURCE_CSR_3 FIELD32(0x00000008)
+#define MCU_INT_SOURCE_CSR_4 FIELD32(0x00000010)
+#define MCU_INT_SOURCE_CSR_5 FIELD32(0x00000020)
+#define MCU_INT_SOURCE_CSR_6 FIELD32(0x00000040)
+#define MCU_INT_SOURCE_CSR_7 FIELD32(0x00000080)
+#define MCU_INT_SOURCE_CSR_TWAKEUP FIELD32(0x00000100)
+#define MCU_INT_SOURCE_CSR_TBTT_EXPIRE FIELD32(0x00000200)
+
+/*
+ * MCU_INT_MASK_CSR: MCU interrupt source/mask register.
+ */
+#define MCU_INT_MASK_CSR 0x0018
+#define MCU_INT_MASK_CSR_0 FIELD32(0x00000001)
+#define MCU_INT_MASK_CSR_1 FIELD32(0x00000002)
+#define MCU_INT_MASK_CSR_2 FIELD32(0x00000004)
+#define MCU_INT_MASK_CSR_3 FIELD32(0x00000008)
+#define MCU_INT_MASK_CSR_4 FIELD32(0x00000010)
+#define MCU_INT_MASK_CSR_5 FIELD32(0x00000020)
+#define MCU_INT_MASK_CSR_6 FIELD32(0x00000040)
+#define MCU_INT_MASK_CSR_7 FIELD32(0x00000080)
+#define MCU_INT_MASK_CSR_TWAKEUP FIELD32(0x00000100)
+#define MCU_INT_MASK_CSR_TBTT_EXPIRE FIELD32(0x00000200)
+
+/*
+ * PCI_USEC_CSR
+ */
+#define PCI_USEC_CSR 0x001c
+
+/*
+ * Security key table memory.
+ * 16 entries 32-byte for shared key table
+ * 64 entries 32-byte for pairwise key table
+ * 64 entries 8-byte for pairwise ta key table
+ */
+#define SHARED_KEY_TABLE_BASE 0x1000
+#define PAIRWISE_KEY_TABLE_BASE 0x1200
+#define PAIRWISE_TA_TABLE_BASE 0x1a00
+
+struct hw_key_entry {
+ u8 key[16];
+ u8 tx_mic[8];
+ u8 rx_mic[8];
+} __attribute__ ((packed));
+
+struct hw_pairwise_ta_entry {
+ u8 address[6];
+ u8 reserved[2];
+} __attribute__ ((packed));
+
+/*
+ * Other on-chip shared memory space.
+ */
+#define HW_CIS_BASE 0x2000
+#define HW_NULL_BASE 0x2b00
+
+/*
+ * Since NULL frame won't be that long (256 byte),
+ * We steal 16 tail bytes to save debugging settings.
+ */
+#define HW_DEBUG_SETTING_BASE 0x2bf0
+
+/*
+ * On-chip BEACON frame space.
+ */
+#define HW_BEACON_BASE0 0x2c00
+#define HW_BEACON_BASE1 0x2d00
+#define HW_BEACON_BASE2 0x2e00
+#define HW_BEACON_BASE3 0x2f00
+#define HW_BEACON_OFFSET 0x0100
+
+/*
+ * HOST-MCU shared memory.
+ */
+
+/*
+ * H2M_MAILBOX_CSR: Host-to-MCU Mailbox.
+ */
+#define H2M_MAILBOX_CSR 0x2100
+#define H2M_MAILBOX_CSR_ARG0 FIELD32(0x000000ff)
+#define H2M_MAILBOX_CSR_ARG1 FIELD32(0x0000ff00)
+#define H2M_MAILBOX_CSR_CMD_TOKEN FIELD32(0x00ff0000)
+#define H2M_MAILBOX_CSR_OWNER FIELD32(0xff000000)
+
+/*
+ * MCU_LEDCS: LED control for MCU Mailbox.
+ */
+#define MCU_LEDCS_LED_MODE FIELD16(0x001f)
+#define MCU_LEDCS_RADIO_STATUS FIELD16(0x0020)
+#define MCU_LEDCS_LINK_BG_STATUS FIELD16(0x0040)
+#define MCU_LEDCS_LINK_A_STATUS FIELD16(0x0080)
+#define MCU_LEDCS_POLARITY_GPIO_0 FIELD16(0x0100)
+#define MCU_LEDCS_POLARITY_GPIO_1 FIELD16(0x0200)
+#define MCU_LEDCS_POLARITY_GPIO_2 FIELD16(0x0400)
+#define MCU_LEDCS_POLARITY_GPIO_3 FIELD16(0x0800)
+#define MCU_LEDCS_POLARITY_GPIO_4 FIELD16(0x1000)
+#define MCU_LEDCS_POLARITY_ACT FIELD16(0x2000)
+#define MCU_LEDCS_POLARITY_READY_BG FIELD16(0x4000)
+#define MCU_LEDCS_POLARITY_READY_A FIELD16(0x8000)
+
+/*
+ * M2H_CMD_DONE_CSR.
+ */
+#define M2H_CMD_DONE_CSR 0x2104
+
+/*
+ * MCU_TXOP_ARRAY_BASE.
+ */
+#define MCU_TXOP_ARRAY_BASE 0x2110
+
+/*
+ * MAC Control/Status Registers(CSR).
+ * Some values are set in TU, whereas 1 TU == 1024 us.
+ */
+
+/*
+ * MAC_CSR0: ASIC revision number.
+ */
+#define MAC_CSR0 0x3000
+
+/*
+ * MAC_CSR1: System control register.
+ * SOFT_RESET: Software reset bit, 1: reset, 0: normal.
+ * BBP_RESET: Hardware reset BBP.
+ * HOST_READY: Host is ready after initialization, 1: ready.
+ */
+#define MAC_CSR1 0x3004
+#define MAC_CSR1_SOFT_RESET FIELD32(0x00000001)
+#define MAC_CSR1_BBP_RESET FIELD32(0x00000002)
+#define MAC_CSR1_HOST_READY FIELD32(0x00000004)
+
+/*
+ * MAC_CSR2: STA MAC register 0.
+ */
+#define MAC_CSR2 0x3008
+#define MAC_CSR2_BYTE0 FIELD32(0x000000ff)
+#define MAC_CSR2_BYTE1 FIELD32(0x0000ff00)
+#define MAC_CSR2_BYTE2 FIELD32(0x00ff0000)
+#define MAC_CSR2_BYTE3 FIELD32(0xff000000)
+
+/*
+ * MAC_CSR3: STA MAC register 1.
+ */
+#define MAC_CSR3 0x300c
+#define MAC_CSR3_BYTE4 FIELD32(0x000000ff)
+#define MAC_CSR3_BYTE5 FIELD32(0x0000ff00)
+#define MAC_CSR3_UNICAST_TO_ME_MASK FIELD32(0x00ff0000)
+
+/*
+ * MAC_CSR4: BSSID register 0.
+ */
+#define MAC_CSR4 0x3010
+#define MAC_CSR4_BYTE0 FIELD32(0x000000ff)
+#define MAC_CSR4_BYTE1 FIELD32(0x0000ff00)
+#define MAC_CSR4_BYTE2 FIELD32(0x00ff0000)
+#define MAC_CSR4_BYTE3 FIELD32(0xff000000)
+
+/*
+ * MAC_CSR5: BSSID register 1.
+ * BSS_ID_MASK: 3: one BSSID, 0: 4 BSSID, 2 or 1: 2 BSSID.
+ */
+#define MAC_CSR5 0x3014
+#define MAC_CSR5_BYTE4 FIELD32(0x000000ff)
+#define MAC_CSR5_BYTE5 FIELD32(0x0000ff00)
+#define MAC_CSR5_BSS_ID_MASK FIELD32(0x00ff0000)
+
+/*
+ * MAC_CSR6: Maximum frame length register.
+ */
+#define MAC_CSR6 0x3018
+#define MAC_CSR6_MAX_FRAME_UNIT FIELD32(0x00000fff)
+
+/*
+ * MAC_CSR7: Reserved
+ */
+#define MAC_CSR7 0x301c
+
+/*
+ * MAC_CSR8: SIFS/EIFS register.
+ * All units are in US.
+ */
+#define MAC_CSR8 0x3020
+#define MAC_CSR8_SIFS FIELD32(0x000000ff)
+#define MAC_CSR8_SIFS_AFTER_RX_OFDM FIELD32(0x0000ff00)
+#define MAC_CSR8_EIFS FIELD32(0xffff0000)
+
+/*
+ * MAC_CSR9: Back-Off control register.
+ * SLOT_TIME: Slot time, default is 20us for 802.11BG.
+ * CWMIN: Bit for Cwmin. default Cwmin is 31 (2^5 - 1).
+ * CWMAX: Bit for Cwmax, default Cwmax is 1023 (2^10 - 1).
+ * CW_SELECT: 1: CWmin/Cwmax select from register, 0:select from TxD.
+ */
+#define MAC_CSR9 0x3024
+#define MAC_CSR9_SLOT_TIME FIELD32(0x000000ff)
+#define MAC_CSR9_CWMIN FIELD32(0x00000f00)
+#define MAC_CSR9_CWMAX FIELD32(0x0000f000)
+#define MAC_CSR9_CW_SELECT FIELD32(0x00010000)
+
+/*
+ * MAC_CSR10: Power state configuration.
+ */
+#define MAC_CSR10 0x3028
+
+/*
+ * MAC_CSR11: Power saving transition time register.
+ * DELAY_AFTER_TBCN: Delay after Tbcn expired in units of TU.
+ * TBCN_BEFORE_WAKEUP: Number of beacon before wakeup.
+ * WAKEUP_LATENCY: In unit of TU.
+ */
+#define MAC_CSR11 0x302c
+#define MAC_CSR11_DELAY_AFTER_TBCN FIELD32(0x000000ff)
+#define MAC_CSR11_TBCN_BEFORE_WAKEUP FIELD32(0x00007f00)
+#define MAC_CSR11_AUTOWAKE FIELD32(0x00008000)
+#define MAC_CSR11_WAKEUP_LATENCY FIELD32(0x000f0000)
+
+/*
+ * MAC_CSR12: Manual power control / status register (merge CSR20 & PWRCSR1).
+ * CURRENT_STATE: 0:sleep, 1:awake.
+ * FORCE_WAKEUP: This has higher priority than PUT_TO_SLEEP.
+ * BBP_CURRENT_STATE: 0: BBP sleep, 1: BBP awake.
+ */
+#define MAC_CSR12 0x3030
+#define MAC_CSR12_CURRENT_STATE FIELD32(0x00000001)
+#define MAC_CSR12_PUT_TO_SLEEP FIELD32(0x00000002)
+#define MAC_CSR12_FORCE_WAKEUP FIELD32(0x00000004)
+#define MAC_CSR12_BBP_CURRENT_STATE FIELD32(0x00000008)
+
+/*
+ * MAC_CSR13: GPIO.
+ */
+#define MAC_CSR13 0x3034
+#define MAC_CSR13_BIT0 FIELD32(0x00000001)
+#define MAC_CSR13_BIT1 FIELD32(0x00000002)
+#define MAC_CSR13_BIT2 FIELD32(0x00000004)
+#define MAC_CSR13_BIT3 FIELD32(0x00000008)
+#define MAC_CSR13_BIT4 FIELD32(0x00000010)
+#define MAC_CSR13_BIT5 FIELD32(0x00000020)
+#define MAC_CSR13_BIT6 FIELD32(0x00000040)
+#define MAC_CSR13_BIT7 FIELD32(0x00000080)
+#define MAC_CSR13_BIT8 FIELD32(0x00000100)
+#define MAC_CSR13_BIT9 FIELD32(0x00000200)
+#define MAC_CSR13_BIT10 FIELD32(0x00000400)
+#define MAC_CSR13_BIT11 FIELD32(0x00000800)
+#define MAC_CSR13_BIT12 FIELD32(0x00001000)
+
+/*
+ * MAC_CSR14: LED control register.
+ * ON_PERIOD: On period, default 70ms.
+ * OFF_PERIOD: Off period, default 30ms.
+ * HW_LED: HW TX activity, 1: normal OFF, 0: normal ON.
+ * SW_LED: s/w LED, 1: ON, 0: OFF.
+ * HW_LED_POLARITY: 0: active low, 1: active high.
+ */
+#define MAC_CSR14 0x3038
+#define MAC_CSR14_ON_PERIOD FIELD32(0x000000ff)
+#define MAC_CSR14_OFF_PERIOD FIELD32(0x0000ff00)
+#define MAC_CSR14_HW_LED FIELD32(0x00010000)
+#define MAC_CSR14_SW_LED FIELD32(0x00020000)
+#define MAC_CSR14_HW_LED_POLARITY FIELD32(0x00040000)
+#define MAC_CSR14_SW_LED2 FIELD32(0x00080000)
+
+/*
+ * MAC_CSR15: NAV control.
+ */
+#define MAC_CSR15 0x303c
+
+/*
+ * TXRX control registers.
+ * Some values are set in TU, whereas 1 TU == 1024 us.
+ */
+
+/*
+ * TXRX_CSR0: TX/RX configuration register.
+ * TSF_OFFSET: Default is 24.
+ * AUTO_TX_SEQ: 1: ASIC auto replace sequence nr in outgoing frame.
+ * DISABLE_RX: Disable Rx engine.
+ * DROP_CRC: Drop CRC error.
+ * DROP_PHYSICAL: Drop physical error.
+ * DROP_CONTROL: Drop control frame.
+ * DROP_NOT_TO_ME: Drop not to me unicast frame.
+ * DROP_TO_DS: Drop fram ToDs bit is true.
+ * DROP_VERSION_ERROR: Drop version error frame.
+ * DROP_MULTICAST: Drop multicast frames.
+ * DROP_BORADCAST: Drop broadcast frames.
+ * ROP_ACK_CTS: Drop received ACK and CTS.
+ */
+#define TXRX_CSR0 0x3040
+#define TXRX_CSR0_RX_ACK_TIMEOUT FIELD32(0x000001ff)
+#define TXRX_CSR0_TSF_OFFSET FIELD32(0x00007e00)
+#define TXRX_CSR0_AUTO_TX_SEQ FIELD32(0x00008000)
+#define TXRX_CSR0_DISABLE_RX FIELD32(0x00010000)
+#define TXRX_CSR0_DROP_CRC FIELD32(0x00020000)
+#define TXRX_CSR0_DROP_PHYSICAL FIELD32(0x00040000)
+#define TXRX_CSR0_DROP_CONTROL FIELD32(0x00080000)
+#define TXRX_CSR0_DROP_NOT_TO_ME FIELD32(0x00100000)
+#define TXRX_CSR0_DROP_TO_DS FIELD32(0x00200000)
+#define TXRX_CSR0_DROP_VERSION_ERROR FIELD32(0x00400000)
+#define TXRX_CSR0_DROP_MULTICAST FIELD32(0x00800000)
+#define TXRX_CSR0_DROP_BORADCAST FIELD32(0x01000000)
+#define TXRX_CSR0_DROP_ACK_CTS FIELD32(0x02000000)
+#define TXRX_CSR0_TX_WITHOUT_WAITING FIELD32(0x04000000)
+
+/*
+ * TXRX_CSR1
+ */
+#define TXRX_CSR1 0x3044
+#define TXRX_CSR1_BBP_ID0 FIELD32(0x0000007f)
+#define TXRX_CSR1_BBP_ID0_VALID FIELD32(0x00000080)
+#define TXRX_CSR1_BBP_ID1 FIELD32(0x00007f00)
+#define TXRX_CSR1_BBP_ID1_VALID FIELD32(0x00008000)
+#define TXRX_CSR1_BBP_ID2 FIELD32(0x007f0000)
+#define TXRX_CSR1_BBP_ID2_VALID FIELD32(0x00800000)
+#define TXRX_CSR1_BBP_ID3 FIELD32(0x7f000000)
+#define TXRX_CSR1_BBP_ID3_VALID FIELD32(0x80000000)
+
+/*
+ * TXRX_CSR2
+ */
+#define TXRX_CSR2 0x3048
+#define TXRX_CSR2_BBP_ID0 FIELD32(0x0000007f)
+#define TXRX_CSR2_BBP_ID0_VALID FIELD32(0x00000080)
+#define TXRX_CSR2_BBP_ID1 FIELD32(0x00007f00)
+#define TXRX_CSR2_BBP_ID1_VALID FIELD32(0x00008000)
+#define TXRX_CSR2_BBP_ID2 FIELD32(0x007f0000)
+#define TXRX_CSR2_BBP_ID2_VALID FIELD32(0x00800000)
+#define TXRX_CSR2_BBP_ID3 FIELD32(0x7f000000)
+#define TXRX_CSR2_BBP_ID3_VALID FIELD32(0x80000000)
+
+/*
+ * TXRX_CSR3
+ */
+#define TXRX_CSR3 0x304c
+#define TXRX_CSR3_BBP_ID0 FIELD32(0x0000007f)
+#define TXRX_CSR3_BBP_ID0_VALID FIELD32(0x00000080)
+#define TXRX_CSR3_BBP_ID1 FIELD32(0x00007f00)
+#define TXRX_CSR3_BBP_ID1_VALID FIELD32(0x00008000)
+#define TXRX_CSR3_BBP_ID2 FIELD32(0x007f0000)
+#define TXRX_CSR3_BBP_ID2_VALID FIELD32(0x00800000)
+#define TXRX_CSR3_BBP_ID3 FIELD32(0x7f000000)
+#define TXRX_CSR3_BBP_ID3_VALID FIELD32(0x80000000)
+
+/*
+ * TXRX_CSR4: Auto-Responder/Tx-retry register.
+ * AUTORESPOND_PREAMBLE: 0:long, 1:short preamble.
+ * OFDM_TX_RATE_DOWN: 1:enable.
+ * OFDM_TX_RATE_STEP: 0:1-step, 1: 2-step, 2:3-step, 3:4-step.
+ * OFDM_TX_FALLBACK_CCK: 0: Fallback to OFDM 6M only, 1: Fallback to CCK 1M,2M.
+ */
+#define TXRX_CSR4 0x3050
+#define TXRX_CSR4_TX_ACK_TIMEOUT FIELD32(0x000000ff)
+#define TXRX_CSR4_CNTL_ACK_POLICY FIELD32(0x00000700)
+#define TXRX_CSR4_ACK_CTS_PSM FIELD32(0x00010000)
+#define TXRX_CSR4_AUTORESPOND_ENABLE FIELD32(0x00020000)
+#define TXRX_CSR4_AUTORESPOND_PREAMBLE FIELD32(0x00040000)
+#define TXRX_CSR4_OFDM_TX_RATE_DOWN FIELD32(0x00080000)
+#define TXRX_CSR4_OFDM_TX_RATE_STEP FIELD32(0x00300000)
+#define TXRX_CSR4_OFDM_TX_FALLBACK_CCK FIELD32(0x00400000)
+#define TXRX_CSR4_LONG_RETRY_LIMIT FIELD32(0x0f000000)
+#define TXRX_CSR4_SHORT_RETRY_LIMIT FIELD32(0xf0000000)
+
+/*
+ * TXRX_CSR5
+ */
+#define TXRX_CSR5 0x3054
+
+/*
+ * TXRX_CSR6: ACK/CTS payload consumed time
+ */
+#define TXRX_CSR6 0x3058
+
+/*
+ * TXRX_CSR7: OFDM ACK/CTS payload consumed time for 6/9/12/18 mbps.
+ */
+#define TXRX_CSR7 0x305c
+#define TXRX_CSR7_ACK_CTS_6MBS FIELD32(0x000000ff)
+#define TXRX_CSR7_ACK_CTS_9MBS FIELD32(0x0000ff00)
+#define TXRX_CSR7_ACK_CTS_12MBS FIELD32(0x00ff0000)
+#define TXRX_CSR7_ACK_CTS_18MBS FIELD32(0xff000000)
+
+/*
+ * TXRX_CSR8: OFDM ACK/CTS payload consumed time for 24/36/48/54 mbps.
+ */
+#define TXRX_CSR8 0x3060
+#define TXRX_CSR8_ACK_CTS_24MBS FIELD32(0x000000ff)
+#define TXRX_CSR8_ACK_CTS_36MBS FIELD32(0x0000ff00)
+#define TXRX_CSR8_ACK_CTS_48MBS FIELD32(0x00ff0000)
+#define TXRX_CSR8_ACK_CTS_54MBS FIELD32(0xff000000)
+
+/*
+ * TXRX_CSR9: Synchronization control register.
+ * BEACON_INTERVAL: In unit of 1/16 TU.
+ * TSF_TICKING: Enable TSF auto counting.
+ * TSF_SYNC: Tsf sync, 0: disable, 1: infra, 2: ad-hoc/master mode.
+ * BEACON_GEN: Enable beacon generator.
+ */
+#define TXRX_CSR9 0x3064
+#define TXRX_CSR9_BEACON_INTERVAL FIELD32(0x0000ffff)
+#define TXRX_CSR9_TSF_TICKING FIELD32(0x00010000)
+#define TXRX_CSR9_TSF_SYNC FIELD32(0x00060000)
+#define TXRX_CSR9_TBTT_ENABLE FIELD32(0x00080000)
+#define TXRX_CSR9_BEACON_GEN FIELD32(0x00100000)
+#define TXRX_CSR9_TIMESTAMP_COMPENSATE FIELD32(0xff000000)
+
+/*
+ * TXRX_CSR10: BEACON alignment.
+ */
+#define TXRX_CSR10 0x3068
+
+/*
+ * TXRX_CSR11: AES mask.
+ */
+#define TXRX_CSR11 0x306c
+
+/*
+ * TXRX_CSR12: TSF low 32.
+ */
+#define TXRX_CSR12 0x3070
+#define TXRX_CSR12_LOW_TSFTIMER FIELD32(0xffffffff)
+
+/*
+ * TXRX_CSR13: TSF high 32.
+ */
+#define TXRX_CSR13 0x3074
+#define TXRX_CSR13_HIGH_TSFTIMER FIELD32(0xffffffff)
+
+/*
+ * TXRX_CSR14: TBTT timer.
+ */
+#define TXRX_CSR14 0x3078
+
+/*
+ * TXRX_CSR15: TKIP MIC priority byte "AND" mask.
+ */
+#define TXRX_CSR15 0x307c
+
+/*
+ * PHY control registers.
+ * Some values are set in TU, whereas 1 TU == 1024 us.
+ */
+
+/*
+ * PHY_CSR0: RF/PS control.
+ */
+#define PHY_CSR0 0x3080
+#define PHY_CSR0_PA_PE_BG FIELD32(0x00010000)
+#define PHY_CSR0_PA_PE_A FIELD32(0x00020000)
+
+/*
+ * PHY_CSR1
+ */
+#define PHY_CSR1 0x3084
+
+/*
+ * PHY_CSR2: Pre-TX BBP control.
+ */
+#define PHY_CSR2 0x3088
+
+/*
+ * PHY_CSR3: BBP serial control register.
+ * VALUE: Register value to program into BBP.
+ * REG_NUM: Selected BBP register.
+ * READ_CONTROL: 0: Write BBP, 1: Read BBP.
+ * BUSY: 1: ASIC is busy execute BBP programming.
+ */
+#define PHY_CSR3 0x308c
+#define PHY_CSR3_VALUE FIELD32(0x000000ff)
+#define PHY_CSR3_REGNUM FIELD32(0x00007f00)
+#define PHY_CSR3_READ_CONTROL FIELD32(0x00008000)
+#define PHY_CSR3_BUSY FIELD32(0x00010000)
+
+/*
+ * PHY_CSR4: RF serial control register
+ * VALUE: Register value (include register id) serial out to RF/IF chip.
+ * NUMBER_OF_BITS: Number of bits used in RFRegValue (I:20, RFMD:22).
+ * IF_SELECT: 1: select IF to program, 0: select RF to program.
+ * PLL_LD: RF PLL_LD status.
+ * BUSY: 1: ASIC is busy execute RF programming.
+ */
+#define PHY_CSR4 0x3090
+#define PHY_CSR4_VALUE FIELD32(0x00ffffff)
+#define PHY_CSR4_NUMBER_OF_BITS FIELD32(0x1f000000)
+#define PHY_CSR4_IF_SELECT FIELD32(0x20000000)
+#define PHY_CSR4_PLL_LD FIELD32(0x40000000)
+#define PHY_CSR4_BUSY FIELD32(0x80000000)
+
+/*
+ * PHY_CSR5: RX to TX signal switch timing control.
+ */
+#define PHY_CSR5 0x3094
+#define PHY_CSR5_IQ_FLIP FIELD32(0x00000004)
+
+/*
+ * PHY_CSR6: TX to RX signal timing control.
+ */
+#define PHY_CSR6 0x3098
+#define PHY_CSR6_IQ_FLIP FIELD32(0x00000004)
+
+/*
+ * PHY_CSR7: TX DAC switching timing control.
+ */
+#define PHY_CSR7 0x309c
+
+/*
+ * Security control register.
+ */
+
+/*
+ * SEC_CSR0: Shared key table control.
+ */
+#define SEC_CSR0 0x30a0
+#define SEC_CSR0_BSS0_KEY0_VALID FIELD32(0x00000001)
+#define SEC_CSR0_BSS0_KEY1_VALID FIELD32(0x00000002)
+#define SEC_CSR0_BSS0_KEY2_VALID FIELD32(0x00000004)
+#define SEC_CSR0_BSS0_KEY3_VALID FIELD32(0x00000008)
+#define SEC_CSR0_BSS1_KEY0_VALID FIELD32(0x00000010)
+#define SEC_CSR0_BSS1_KEY1_VALID FIELD32(0x00000020)
+#define SEC_CSR0_BSS1_KEY2_VALID FIELD32(0x00000040)
+#define SEC_CSR0_BSS1_KEY3_VALID FIELD32(0x00000080)
+#define SEC_CSR0_BSS2_KEY0_VALID FIELD32(0x00000100)
+#define SEC_CSR0_BSS2_KEY1_VALID FIELD32(0x00000200)
+#define SEC_CSR0_BSS2_KEY2_VALID FIELD32(0x00000400)
+#define SEC_CSR0_BSS2_KEY3_VALID FIELD32(0x00000800)
+#define SEC_CSR0_BSS3_KEY0_VALID FIELD32(0x00001000)
+#define SEC_CSR0_BSS3_KEY1_VALID FIELD32(0x00002000)
+#define SEC_CSR0_BSS3_KEY2_VALID FIELD32(0x00004000)
+#define SEC_CSR0_BSS3_KEY3_VALID FIELD32(0x00008000)
+
+/*
+ * SEC_CSR1: Shared key table security mode register.
+ */
+#define SEC_CSR1 0x30a4
+#define SEC_CSR1_BSS0_KEY0_CIPHER_ALG FIELD32(0x00000007)
+#define SEC_CSR1_BSS0_KEY1_CIPHER_ALG FIELD32(0x00000070)
+#define SEC_CSR1_BSS0_KEY2_CIPHER_ALG FIELD32(0x00000700)
+#define SEC_CSR1_BSS0_KEY3_CIPHER_ALG FIELD32(0x00007000)
+#define SEC_CSR1_BSS1_KEY0_CIPHER_ALG FIELD32(0x00070000)
+#define SEC_CSR1_BSS1_KEY1_CIPHER_ALG FIELD32(0x00700000)
+#define SEC_CSR1_BSS1_KEY2_CIPHER_ALG FIELD32(0x07000000)
+#define SEC_CSR1_BSS1_KEY3_CIPHER_ALG FIELD32(0x70000000)
+
+/*
+ * Pairwise key table valid bitmap registers.
+ * SEC_CSR2: pairwise key table valid bitmap 0.
+ * SEC_CSR3: pairwise key table valid bitmap 1.
+ */
+#define SEC_CSR2 0x30a8
+#define SEC_CSR3 0x30ac
+
+/*
+ * SEC_CSR4: Pairwise key table lookup control.
+ */
+#define SEC_CSR4 0x30b0
+
+/*
+ * SEC_CSR5: shared key table security mode register.
+ */
+#define SEC_CSR5 0x30b4
+#define SEC_CSR5_BSS2_KEY0_CIPHER_ALG FIELD32(0x00000007)
+#define SEC_CSR5_BSS2_KEY1_CIPHER_ALG FIELD32(0x00000070)
+#define SEC_CSR5_BSS2_KEY2_CIPHER_ALG FIELD32(0x00000700)
+#define SEC_CSR5_BSS2_KEY3_CIPHER_ALG FIELD32(0x00007000)
+#define SEC_CSR5_BSS3_KEY0_CIPHER_ALG FIELD32(0x00070000)
+#define SEC_CSR5_BSS3_KEY1_CIPHER_ALG FIELD32(0x00700000)
+#define SEC_CSR5_BSS3_KEY2_CIPHER_ALG FIELD32(0x07000000)
+#define SEC_CSR5_BSS3_KEY3_CIPHER_ALG FIELD32(0x70000000)
+
+/*
+ * STA control registers.
+ */
+
+/*
+ * STA_CSR0: RX PLCP error count & RX FCS error count.
+ */
+#define STA_CSR0 0x30c0
+#define STA_CSR0_FCS_ERROR FIELD32(0x0000ffff)
+#define STA_CSR0_PLCP_ERROR FIELD32(0xffff0000)
+
+/*
+ * STA_CSR1: RX False CCA count & RX LONG frame count.
+ */
+#define STA_CSR1 0x30c4
+#define STA_CSR1_PHYSICAL_ERROR FIELD32(0x0000ffff)
+#define STA_CSR1_FALSE_CCA_ERROR FIELD32(0xffff0000)
+
+/*
+ * STA_CSR2: TX Beacon count and RX FIFO overflow count.
+ */
+#define STA_CSR2 0x30c8
+#define STA_CSR2_RX_FIFO_OVERFLOW_COUNT FIELD32(0x0000ffff)
+#define STA_CSR2_RX_OVERFLOW_COUNT FIELD32(0xffff0000)
+
+/*
+ * STA_CSR3: TX Beacon count.
+ */
+#define STA_CSR3 0x30cc
+#define STA_CSR3_TX_BEACON_COUNT FIELD32(0x0000ffff)
+
+/*
+ * STA_CSR4: TX Result status register.
+ * VALID: 1:This register contains a valid TX result.
+ */
+#define STA_CSR4 0x30d0
+#define STA_CSR4_VALID FIELD32(0x00000001)
+#define STA_CSR4_TX_RESULT FIELD32(0x0000000e)
+#define STA_CSR4_RETRY_COUNT FIELD32(0x000000f0)
+#define STA_CSR4_PID_SUBTYPE FIELD32(0x00001f00)
+#define STA_CSR4_PID_TYPE FIELD32(0x0000e000)
+#define STA_CSR4_TXRATE FIELD32(0x000f0000)
+
+/*
+ * QOS control registers.
+ */
+
+/*
+ * QOS_CSR0: TXOP holder MAC address register.
+ */
+#define QOS_CSR0 0x30e0
+#define QOS_CSR0_BYTE0 FIELD32(0x000000ff)
+#define QOS_CSR0_BYTE1 FIELD32(0x0000ff00)
+#define QOS_CSR0_BYTE2 FIELD32(0x00ff0000)
+#define QOS_CSR0_BYTE3 FIELD32(0xff000000)
+
+/*
+ * QOS_CSR1: TXOP holder MAC address register.
+ */
+#define QOS_CSR1 0x30e4
+#define QOS_CSR1_BYTE4 FIELD32(0x000000ff)
+#define QOS_CSR1_BYTE5 FIELD32(0x0000ff00)
+
+/*
+ * QOS_CSR2: TXOP holder timeout register.
+ */
+#define QOS_CSR2 0x30e8
+
+/*
+ * RX QOS-CFPOLL MAC address register.
+ * QOS_CSR3: RX QOS-CFPOLL MAC address 0.
+ * QOS_CSR4: RX QOS-CFPOLL MAC address 1.
+ */
+#define QOS_CSR3 0x30ec
+#define QOS_CSR4 0x30f0
+
+/*
+ * QOS_CSR5: "QosControl" field of the RX QOS-CFPOLL.
+ */
+#define QOS_CSR5 0x30f4
+
+/*
+ * Host DMA registers.
+ */
+
+/*
+ * AC0_BASE_CSR: AC_BK base address.
+ */
+#define AC0_BASE_CSR 0x3400
+#define AC0_BASE_CSR_RING_REGISTER FIELD32(0xffffffff)
+
+/*
+ * AC1_BASE_CSR: AC_BE base address.
+ */
+#define AC1_BASE_CSR 0x3404
+#define AC1_BASE_CSR_RING_REGISTER FIELD32(0xffffffff)
+
+/*
+ * AC2_BASE_CSR: AC_VI base address.
+ */
+#define AC2_BASE_CSR 0x3408
+#define AC2_BASE_CSR_RING_REGISTER FIELD32(0xffffffff)
+
+/*
+ * AC3_BASE_CSR: AC_VO base address.
+ */
+#define AC3_BASE_CSR 0x340c
+#define AC3_BASE_CSR_RING_REGISTER FIELD32(0xffffffff)
+
+/*
+ * MGMT_BASE_CSR: MGMT ring base address.
+ */
+#define MGMT_BASE_CSR 0x3410
+#define MGMT_BASE_CSR_RING_REGISTER FIELD32(0xffffffff)
+
+/*
+ * TX_RING_CSR0: TX Ring size for AC_BK, AC_BE, AC_VI, AC_VO.
+ */
+#define TX_RING_CSR0 0x3418
+#define TX_RING_CSR0_AC0_RING_SIZE FIELD32(0x000000ff)
+#define TX_RING_CSR0_AC1_RING_SIZE FIELD32(0x0000ff00)
+#define TX_RING_CSR0_AC2_RING_SIZE FIELD32(0x00ff0000)
+#define TX_RING_CSR0_AC3_RING_SIZE FIELD32(0xff000000)
+
+/*
+ * TX_RING_CSR1: TX Ring size for MGMT Ring, HCCA Ring
+ * TXD_SIZE: In unit of 32-bit.
+ */
+#define TX_RING_CSR1 0x341c
+#define TX_RING_CSR1_MGMT_RING_SIZE FIELD32(0x000000ff)
+#define TX_RING_CSR1_HCCA_RING_SIZE FIELD32(0x0000ff00)
+#define TX_RING_CSR1_TXD_SIZE FIELD32(0x003f0000)
+
+/*
+ * AIFSN_CSR: AIFSN for each EDCA AC.
+ * AIFSN0: For AC_BK.
+ * AIFSN1: For AC_BE.
+ * AIFSN2: For AC_VI.
+ * AIFSN3: For AC_VO.
+ */
+#define AIFSN_CSR 0x3420
+#define AIFSN_CSR_AIFSN0 FIELD32(0x0000000f)
+#define AIFSN_CSR_AIFSN1 FIELD32(0x000000f0)
+#define AIFSN_CSR_AIFSN2 FIELD32(0x00000f00)
+#define AIFSN_CSR_AIFSN3 FIELD32(0x0000f000)
+
+/*
+ * CWMIN_CSR: CWmin for each EDCA AC.
+ * CWMIN0: For AC_BK.
+ * CWMIN1: For AC_BE.
+ * CWMIN2: For AC_VI.
+ * CWMIN3: For AC_VO.
+ */
+#define CWMIN_CSR 0x3424
+#define CWMIN_CSR_CWMIN0 FIELD32(0x0000000f)
+#define CWMIN_CSR_CWMIN1 FIELD32(0x000000f0)
+#define CWMIN_CSR_CWMIN2 FIELD32(0x00000f00)
+#define CWMIN_CSR_CWMIN3 FIELD32(0x0000f000)
+
+/*
+ * CWMAX_CSR: CWmax for each EDCA AC.
+ * CWMAX0: For AC_BK.
+ * CWMAX1: For AC_BE.
+ * CWMAX2: For AC_VI.
+ * CWMAX3: For AC_VO.
+ */
+#define CWMAX_CSR 0x3428
+#define CWMAX_CSR_CWMAX0 FIELD32(0x0000000f)
+#define CWMAX_CSR_CWMAX1 FIELD32(0x000000f0)
+#define CWMAX_CSR_CWMAX2 FIELD32(0x00000f00)
+#define CWMAX_CSR_CWMAX3 FIELD32(0x0000f000)
+
+/*
+ * TX_DMA_DST_CSR: TX DMA destination
+ * 0: TX ring0, 1: TX ring1, 2: TX ring2 3: invalid
+ */
+#define TX_DMA_DST_CSR 0x342c
+#define TX_DMA_DST_CSR_DEST_AC0 FIELD32(0x00000003)
+#define TX_DMA_DST_CSR_DEST_AC1 FIELD32(0x0000000c)
+#define TX_DMA_DST_CSR_DEST_AC2 FIELD32(0x00000030)
+#define TX_DMA_DST_CSR_DEST_AC3 FIELD32(0x000000c0)
+#define TX_DMA_DST_CSR_DEST_MGMT FIELD32(0x00000300)
+
+/*
+ * TX_CNTL_CSR: KICK/Abort TX.
+ * KICK_TX_AC0: For AC_BK.
+ * KICK_TX_AC1: For AC_BE.
+ * KICK_TX_AC2: For AC_VI.
+ * KICK_TX_AC3: For AC_VO.
+ * ABORT_TX_AC0: For AC_BK.
+ * ABORT_TX_AC1: For AC_BE.
+ * ABORT_TX_AC2: For AC_VI.
+ * ABORT_TX_AC3: For AC_VO.
+ */
+#define TX_CNTL_CSR 0x3430
+#define TX_CNTL_CSR_KICK_TX_AC0 FIELD32(0x00000001)
+#define TX_CNTL_CSR_KICK_TX_AC1 FIELD32(0x00000002)
+#define TX_CNTL_CSR_KICK_TX_AC2 FIELD32(0x00000004)
+#define TX_CNTL_CSR_KICK_TX_AC3 FIELD32(0x00000008)
+#define TX_CNTL_CSR_KICK_TX_MGMT FIELD32(0x00000010)
+#define TX_CNTL_CSR_ABORT_TX_AC0 FIELD32(0x00010000)
+#define TX_CNTL_CSR_ABORT_TX_AC1 FIELD32(0x00020000)
+#define TX_CNTL_CSR_ABORT_TX_AC2 FIELD32(0x00040000)
+#define TX_CNTL_CSR_ABORT_TX_AC3 FIELD32(0x00080000)
+#define TX_CNTL_CSR_ABORT_TX_MGMT FIELD32(0x00100000)
+
+/*
+ * LOAD_TX_RING_CSR: Load RX de
+ */
+#define LOAD_TX_RING_CSR 0x3434
+#define LOAD_TX_RING_CSR_LOAD_TXD_AC0 FIELD32(0x00000001)
+#define LOAD_TX_RING_CSR_LOAD_TXD_AC1 FIELD32(0x00000002)
+#define LOAD_TX_RING_CSR_LOAD_TXD_AC2 FIELD32(0x00000004)
+#define LOAD_TX_RING_CSR_LOAD_TXD_AC3 FIELD32(0x00000008)
+#define LOAD_TX_RING_CSR_LOAD_TXD_MGMT FIELD32(0x00000010)
+
+/*
+ * Several read-only registers, for debugging.
+ */
+#define AC0_TXPTR_CSR 0x3438
+#define AC1_TXPTR_CSR 0x343c
+#define AC2_TXPTR_CSR 0x3440
+#define AC3_TXPTR_CSR 0x3444
+#define MGMT_TXPTR_CSR 0x3448
+
+/*
+ * RX_BASE_CSR
+ */
+#define RX_BASE_CSR 0x3450
+#define RX_BASE_CSR_RING_REGISTER FIELD32(0xffffffff)
+
+/*
+ * RX_RING_CSR.
+ * RXD_SIZE: In unit of 32-bit.
+ */
+#define RX_RING_CSR 0x3454
+#define RX_RING_CSR_RING_SIZE FIELD32(0x000000ff)
+#define RX_RING_CSR_RXD_SIZE FIELD32(0x00003f00)
+#define RX_RING_CSR_RXD_WRITEBACK_SIZE FIELD32(0x00070000)
+
+/*
+ * RX_CNTL_CSR
+ */
+#define RX_CNTL_CSR 0x3458
+#define RX_CNTL_CSR_ENABLE_RX_DMA FIELD32(0x00000001)
+#define RX_CNTL_CSR_LOAD_RXD FIELD32(0x00000002)
+
+/*
+ * RXPTR_CSR: Read-only, for debugging.
+ */
+#define RXPTR_CSR 0x345c
+
+/*
+ * PCI_CFG_CSR
+ */
+#define PCI_CFG_CSR 0x3460
+
+/*
+ * BUF_FORMAT_CSR
+ */
+#define BUF_FORMAT_CSR 0x3464
+
+/*
+ * INT_SOURCE_CSR: Interrupt source register.
+ * Write one to clear corresponding bit.
+ */
+#define INT_SOURCE_CSR 0x3468
+#define INT_SOURCE_CSR_TXDONE FIELD32(0x00000001)
+#define INT_SOURCE_CSR_RXDONE FIELD32(0x00000002)
+#define INT_SOURCE_CSR_BEACON_DONE FIELD32(0x00000004)
+#define INT_SOURCE_CSR_TX_ABORT_DONE FIELD32(0x00000010)
+#define INT_SOURCE_CSR_AC0_DMA_DONE FIELD32(0x00010000)
+#define INT_SOURCE_CSR_AC1_DMA_DONE FIELD32(0x00020000)
+#define INT_SOURCE_CSR_AC2_DMA_DONE FIELD32(0x00040000)
+#define INT_SOURCE_CSR_AC3_DMA_DONE FIELD32(0x00080000)
+#define INT_SOURCE_CSR_MGMT_DMA_DONE FIELD32(0x00100000)
+#define INT_SOURCE_CSR_HCCA_DMA_DONE FIELD32(0x00200000)
+
+/*
+ * INT_MASK_CSR: Interrupt MASK register. 1: the interrupt is mask OFF.
+ * MITIGATION_PERIOD: Interrupt mitigation in unit of 32 PCI clock.
+ */
+#define INT_MASK_CSR 0x346c
+#define INT_MASK_CSR_TXDONE FIELD32(0x00000001)
+#define INT_MASK_CSR_RXDONE FIELD32(0x00000002)
+#define INT_MASK_CSR_BEACON_DONE FIELD32(0x00000004)
+#define INT_MASK_CSR_TX_ABORT_DONE FIELD32(0x00000010)
+#define INT_MASK_CSR_ENABLE_MITIGATION FIELD32(0x00000080)
+#define INT_MASK_CSR_MITIGATION_PERIOD FIELD32(0x0000ff00)
+#define INT_MASK_CSR_AC0_DMA_DONE FIELD32(0x00010000)
+#define INT_MASK_CSR_AC1_DMA_DONE FIELD32(0x00020000)
+#define INT_MASK_CSR_AC2_DMA_DONE FIELD32(0x00040000)
+#define INT_MASK_CSR_AC3_DMA_DONE FIELD32(0x00080000)
+#define INT_MASK_CSR_MGMT_DMA_DONE FIELD32(0x00100000)
+#define INT_MASK_CSR_HCCA_DMA_DONE FIELD32(0x00200000)
+
+/*
+ * E2PROM_CSR: EEPROM control register.
+ * RELOAD: Write 1 to reload eeprom content.
+ * TYPE_93C46: 1: 93c46, 0:93c66.
+ * LOAD_STATUS: 1:loading, 0:done.
+ */
+#define E2PROM_CSR 0x3470
+#define E2PROM_CSR_RELOAD FIELD32(0x00000001)
+#define E2PROM_CSR_DATA_CLOCK FIELD32(0x00000002)
+#define E2PROM_CSR_CHIP_SELECT FIELD32(0x00000004)
+#define E2PROM_CSR_DATA_IN FIELD32(0x00000008)
+#define E2PROM_CSR_DATA_OUT FIELD32(0x00000010)
+#define E2PROM_CSR_TYPE_93C46 FIELD32(0x00000020)
+#define E2PROM_CSR_LOAD_STATUS FIELD32(0x00000040)
+
+/*
+ * AC_TXOP_CSR0: AC_BK/AC_BE TXOP register.
+ * AC0_TX_OP: For AC_BK, in unit of 32us.
+ * AC1_TX_OP: For AC_BE, in unit of 32us.
+ */
+#define AC_TXOP_CSR0 0x3474
+#define AC_TXOP_CSR0_AC0_TX_OP FIELD32(0x0000ffff)
+#define AC_TXOP_CSR0_AC1_TX_OP FIELD32(0xffff0000)
+
+/*
+ * AC_TXOP_CSR1: AC_VO/AC_VI TXOP register.
+ * AC2_TX_OP: For AC_VI, in unit of 32us.
+ * AC3_TX_OP: For AC_VO, in unit of 32us.
+ */
+#define AC_TXOP_CSR1 0x3478
+#define AC_TXOP_CSR1_AC2_TX_OP FIELD32(0x0000ffff)
+#define AC_TXOP_CSR1_AC3_TX_OP FIELD32(0xffff0000)
+
+/*
+ * DMA_STATUS_CSR
+ */
+#define DMA_STATUS_CSR 0x3480
+
+/*
+ * TEST_MODE_CSR
+ */
+#define TEST_MODE_CSR 0x3484
+
+/*
+ * UART0_TX_CSR
+ */
+#define UART0_TX_CSR 0x3488
+
+/*
+ * UART0_RX_CSR
+ */
+#define UART0_RX_CSR 0x348c
+
+/*
+ * UART0_FRAME_CSR
+ */
+#define UART0_FRAME_CSR 0x3490
+
+/*
+ * UART0_BUFFER_CSR
+ */
+#define UART0_BUFFER_CSR 0x3494
+
+/*
+ * IO_CNTL_CSR
+ */
+#define IO_CNTL_CSR 0x3498
+
+/*
+ * UART_INT_SOURCE_CSR
+ */
+#define UART_INT_SOURCE_CSR 0x34a8
+
+/*
+ * UART_INT_MASK_CSR
+ */
+#define UART_INT_MASK_CSR 0x34ac
+
+/*
+ * PBF_QUEUE_CSR
+ */
+#define PBF_QUEUE_CSR 0x34b0
+
+/*
+ * Firmware DMA registers.
+ * Firmware DMA registers are dedicated for MCU usage
+ * and should not be touched by host driver.
+ * Therefore we skip the definition of these registers.
+ */
+#define FW_TX_BASE_CSR 0x34c0
+#define FW_TX_START_CSR 0x34c4
+#define FW_TX_LAST_CSR 0x34c8
+#define FW_MODE_CNTL_CSR 0x34cc
+#define FW_TXPTR_CSR 0x34d0
+
+/*
+ * 8051 firmware image.
+ */
+#define FIRMWARE_RT2561 "rt2561.bin"
+#define FIRMWARE_RT2561s "rt2561s.bin"
+#define FIRMWARE_RT2661 "rt2661.bin"
+#define FIRMWARE_IMAGE_BASE 0x4000
+
+/*
+ * BBP registers.
+ * The wordsize of the BBP is 8 bits.
+ */
+
+/*
+ * R2
+ */
+#define BBP_R2_BG_MODE FIELD8(0x20)
+
+/*
+ * R3
+ */
+#define BBP_R3_SMART_MODE FIELD8(0x01)
+
+/*
+ * R4: RX antenna control
+ * FRAME_END: 1 - DPDT, 0 - SPDT (Only valid for 802.11G, RF2527 & RF2529)
+ */
+#define BBP_R4_RX_ANTENNA FIELD8(0x03)
+#define BBP_R4_RX_FRAME_END FIELD8(0x20)
+
+/*
+ * R77
+ */
+#define BBP_R77_PAIR FIELD8(0x03)
+
+/*
+ * RF registers
+ */
+
+/*
+ * RF 3
+ */
+#define RF3_TXPOWER FIELD32(0x00003e00)
+
+/*
+ * RF 4
+ */
+#define RF4_FREQ_OFFSET FIELD32(0x0003f000)
+
+/*
+ * EEPROM content.
+ * The wordsize of the EEPROM is 16 bits.
+ */
+
+/*
+ * HW MAC address.
+ */
+#define EEPROM_MAC_ADDR_0 0x0002
+#define EEPROM_MAC_ADDR_BYTE0 FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE1 FIELD16(0xff00)
+#define EEPROM_MAC_ADDR1 0x0004
+#define EEPROM_MAC_ADDR_BYTE2 FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE3 FIELD16(0xff00)
+#define EEPROM_MAC_ADDR_2 0x0006
+#define EEPROM_MAC_ADDR_BYTE4 FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE5 FIELD16(0xff00)
+
+/*
+ * EEPROM antenna.
+ * ANTENNA_NUM: Number of antenna's.
+ * TX_DEFAULT: Default antenna 0: diversity, 1: A, 2: B.
+ * RX_DEFAULT: Default antenna 0: diversity, 1: A, 2: B.
+ * FRAME_TYPE: 0: DPDT , 1: SPDT , noted this bit is valid for g only.
+ * DYN_TXAGC: Dynamic TX AGC control.
+ * HARDWARE_RADIO: 1: Hardware controlled radio. Read GPIO0.
+ * RF_TYPE: Rf_type of this adapter.
+ */
+#define EEPROM_ANTENNA 0x0010
+#define EEPROM_ANTENNA_NUM FIELD16(0x0003)
+#define EEPROM_ANTENNA_TX_DEFAULT FIELD16(0x000c)
+#define EEPROM_ANTENNA_RX_DEFAULT FIELD16(0x0030)
+#define EEPROM_ANTENNA_FRAME_TYPE FIELD16(0x0040)
+#define EEPROM_ANTENNA_DYN_TXAGC FIELD16(0x0200)
+#define EEPROM_ANTENNA_HARDWARE_RADIO FIELD16(0x0400)
+#define EEPROM_ANTENNA_RF_TYPE FIELD16(0xf800)
+
+/*
+ * EEPROM NIC config.
+ * ENABLE_DIVERSITY: 1:enable, 0:disable.
+ * EXTERNAL_LNA_BG: External LNA enable for 2.4G.
+ * CARDBUS_ACCEL: 0:enable, 1:disable.
+ * EXTERNAL_LNA_A: External LNA enable for 5G.
+ */
+#define EEPROM_NIC 0x0011
+#define EEPROM_NIC_ENABLE_DIVERSITY FIELD16(0x0001)
+#define EEPROM_NIC_TX_DIVERSITY FIELD16(0x0002)
+#define EEPROM_NIC_TX_RX_FIXED FIELD16(0x000c)
+#define EEPROM_NIC_EXTERNAL_LNA_BG FIELD16(0x0010)
+#define EEPROM_NIC_CARDBUS_ACCEL FIELD16(0x0020)
+#define EEPROM_NIC_EXTERNAL_LNA_A FIELD16(0x0040)
+
+/*
+ * EEPROM geography.
+ * GEO_A: Default geographical setting for 5GHz band
+ * GEO: Default geographical setting.
+ */
+#define EEPROM_GEOGRAPHY 0x0012
+#define EEPROM_GEOGRAPHY_GEO_A FIELD16(0x00ff)
+#define EEPROM_GEOGRAPHY_GEO FIELD16(0xff00)
+
+/*
+ * EEPROM BBP.
+ */
+#define EEPROM_BBP_START 0x0013
+#define EEPROM_BBP_SIZE 16
+#define EEPROM_BBP_VALUE FIELD16(0x00ff)
+#define EEPROM_BBP_REG_ID FIELD16(0xff00)
+
+/*
+ * EEPROM TXPOWER 802.11G
+ */
+#define EEPROM_TXPOWER_G_START 0x0023
+#define EEPROM_TXPOWER_G_SIZE 7
+#define EEPROM_TXPOWER_G_1 FIELD16(0x00ff)
+#define EEPROM_TXPOWER_G_2 FIELD16(0xff00)
+
+/*
+ * EEPROM Frequency
+ */
+#define EEPROM_FREQ 0x002f
+#define EEPROM_FREQ_OFFSET FIELD16(0x00ff)
+#define EEPROM_FREQ_SEQ_MASK FIELD16(0xff00)
+#define EEPROM_FREQ_SEQ FIELD16(0x0300)
+
+/*
+ * EEPROM LED.
+ * POLARITY_RDY_G: Polarity RDY_G setting.
+ * POLARITY_RDY_A: Polarity RDY_A setting.
+ * POLARITY_ACT: Polarity ACT setting.
+ * POLARITY_GPIO_0: Polarity GPIO0 setting.
+ * POLARITY_GPIO_1: Polarity GPIO1 setting.
+ * POLARITY_GPIO_2: Polarity GPIO2 setting.
+ * POLARITY_GPIO_3: Polarity GPIO3 setting.
+ * POLARITY_GPIO_4: Polarity GPIO4 setting.
+ * LED_MODE: Led mode.
+ */
+#define EEPROM_LED 0x0030
+#define EEPROM_LED_POLARITY_RDY_G FIELD16(0x0001)
+#define EEPROM_LED_POLARITY_RDY_A FIELD16(0x0002)
+#define EEPROM_LED_POLARITY_ACT FIELD16(0x0004)
+#define EEPROM_LED_POLARITY_GPIO_0 FIELD16(0x0008)
+#define EEPROM_LED_POLARITY_GPIO_1 FIELD16(0x0010)
+#define EEPROM_LED_POLARITY_GPIO_2 FIELD16(0x0020)
+#define EEPROM_LED_POLARITY_GPIO_3 FIELD16(0x0040)
+#define EEPROM_LED_POLARITY_GPIO_4 FIELD16(0x0080)
+#define EEPROM_LED_LED_MODE FIELD16(0x1f00)
+
+/*
+ * EEPROM TXPOWER 802.11A
+ */
+#define EEPROM_TXPOWER_A_START 0x0031
+#define EEPROM_TXPOWER_A_SIZE 12
+#define EEPROM_TXPOWER_A_1 FIELD16(0x00ff)
+#define EEPROM_TXPOWER_A_2 FIELD16(0xff00)
+
+/*
+ * EEPROM RSSI offset 802.11BG
+ */
+#define EEPROM_RSSI_OFFSET_BG 0x004d
+#define EEPROM_RSSI_OFFSET_BG_1 FIELD16(0x00ff)
+#define EEPROM_RSSI_OFFSET_BG_2 FIELD16(0xff00)
+
+/*
+ * EEPROM RSSI offset 802.11A
+ */
+#define EEPROM_RSSI_OFFSET_A 0x004e
+#define EEPROM_RSSI_OFFSET_A_1 FIELD16(0x00ff)
+#define EEPROM_RSSI_OFFSET_A_2 FIELD16(0xff00)
+
+/*
+ * MCU mailbox commands.
+ */
+#define MCU_SLEEP 0x30
+#define MCU_WAKEUP 0x31
+#define MCU_LED 0x50
+#define MCU_LED_STRENGTH 0x52
+
+/*
+ * DMA descriptor defines.
+ */
+#define TXD_DESC_SIZE ( 16 * sizeof(struct data_desc) )
+#define RXD_DESC_SIZE ( 16 * sizeof(struct data_desc) )
+
+/*
+ * TX descriptor format for TX, PRIO and Beacon Ring.
+ */
+
+/*
+ * Word0
+ * TKIP_MIC: ASIC appends TKIP MIC if TKIP is used.
+ * KEY_TABLE: Use per-client pairwise KEY table.
+ * KEY_INDEX:
+ * Key index (0~31) to the pairwise KEY table.
+ * 0~3 to shared KEY table 0 (BSS0).
+ * 4~7 to shared KEY table 1 (BSS1).
+ * 8~11 to shared KEY table 2 (BSS2).
+ * 12~15 to shared KEY table 3 (BSS3).
+ * BURST: Next frame belongs to same "burst" event.
+ */
+#define TXD_W0_OWNER_NIC FIELD32(0x00000001)
+#define TXD_W0_VALID FIELD32(0x00000002)
+#define TXD_W0_MORE_FRAG FIELD32(0x00000004)
+#define TXD_W0_ACK FIELD32(0x00000008)
+#define TXD_W0_TIMESTAMP FIELD32(0x00000010)
+#define TXD_W0_OFDM FIELD32(0x00000020)
+#define TXD_W0_IFS FIELD32(0x00000040)
+#define TXD_W0_RETRY_MODE FIELD32(0x00000080)
+#define TXD_W0_TKIP_MIC FIELD32(0x00000100)
+#define TXD_W0_KEY_TABLE FIELD32(0x00000200)
+#define TXD_W0_KEY_INDEX FIELD32(0x0000fc00)
+#define TXD_W0_DATABYTE_COUNT FIELD32(0x0fff0000)
+#define TXD_W0_BURST FIELD32(0x10000000)
+#define TXD_W0_CIPHER_ALG FIELD32(0xe0000000)
+
+/*
+ * Word1
+ * HOST_Q_ID: EDCA/HCCA queue ID.
+ * HW_SEQUENCE: MAC overwrites the frame sequence number.
+ * BUFFER_COUNT: Number of buffers in this TXD.
+ */
+#define TXD_W1_HOST_Q_ID FIELD32(0x0000000f)
+#define TXD_W1_AIFSN FIELD32(0x000000f0)
+#define TXD_W1_CWMIN FIELD32(0x00000f00)
+#define TXD_W1_CWMAX FIELD32(0x0000f000)
+#define TXD_W1_IV_OFFSET FIELD32(0x003f0000)
+#define TXD_W1_PIGGY_BACK FIELD32(0x01000000)
+#define TXD_W1_HW_SEQUENCE FIELD32(0x10000000)
+#define TXD_W1_BUFFER_COUNT FIELD32(0xe0000000)
+
+/*
+ * Word2: PLCP information
+ */
+#define TXD_W2_PLCP_SIGNAL FIELD32(0x000000ff)
+#define TXD_W2_PLCP_SERVICE FIELD32(0x0000ff00)
+#define TXD_W2_PLCP_LENGTH_LOW FIELD32(0x00ff0000)
+#define TXD_W2_PLCP_LENGTH_HIGH FIELD32(0xff000000)
+
+/*
+ * Word3
+ */
+#define TXD_W3_IV FIELD32(0xffffffff)
+
+/*
+ * Word4
+ */
+#define TXD_W4_EIV FIELD32(0xffffffff)
+
+/*
+ * Word5
+ * FRAME_OFFSET: Frame start offset inside ASIC TXFIFO (after TXINFO field).
+ * TXD_W5_PID_SUBTYPE: Driver assigned packet ID index for txdone handler.
+ * TXD_W5_PID_TYPE: Driver assigned packet ID type for txdone handler.
+ * WAITING_DMA_DONE_INT: TXD been filled with data
+ * and waiting for TxDoneISR housekeeping.
+ */
+#define TXD_W5_FRAME_OFFSET FIELD32(0x000000ff)
+#define TXD_W5_PID_SUBTYPE FIELD32(0x00001f00)
+#define TXD_W5_PID_TYPE FIELD32(0x0000e000)
+#define TXD_W5_TX_POWER FIELD32(0x00ff0000)
+#define TXD_W5_WAITING_DMA_DONE_INT FIELD32(0x01000000)
+
+/*
+ * the above 24-byte is called TXINFO and will be DMAed to MAC block
+ * through TXFIFO. MAC block use this TXINFO to control the transmission
+ * behavior of this frame.
+ * The following fields are not used by MAC block.
+ * They are used by DMA block and HOST driver only.
+ * Once a frame has been DMA to ASIC, all the following fields are useless
+ * to ASIC.
+ */
+
+/*
+ * Word6-10: Buffer physical address
+ */
+#define TXD_W6_BUFFER_PHYSICAL_ADDRESS FIELD32(0xffffffff)
+#define TXD_W7_BUFFER_PHYSICAL_ADDRESS FIELD32(0xffffffff)
+#define TXD_W8_BUFFER_PHYSICAL_ADDRESS FIELD32(0xffffffff)
+#define TXD_W9_BUFFER_PHYSICAL_ADDRESS FIELD32(0xffffffff)
+#define TXD_W10_BUFFER_PHYSICAL_ADDRESS FIELD32(0xffffffff)
+
+/*
+ * Word11-13: Buffer length
+ */
+#define TXD_W11_BUFFER_LENGTH0 FIELD32(0x00000fff)
+#define TXD_W11_BUFFER_LENGTH1 FIELD32(0x0fff0000)
+#define TXD_W12_BUFFER_LENGTH2 FIELD32(0x00000fff)
+#define TXD_W12_BUFFER_LENGTH3 FIELD32(0x0fff0000)
+#define TXD_W13_BUFFER_LENGTH4 FIELD32(0x00000fff)
+
+/*
+ * Word14
+ */
+#define TXD_W14_SK_BUFFER FIELD32(0xffffffff)
+
+/*
+ * Word15
+ */
+#define TXD_W15_NEXT_SK_BUFFER FIELD32(0xffffffff)
+
+/*
+ * RX descriptor format for RX Ring.
+ */
+
+/*
+ * Word0
+ * CIPHER_ERROR: 1:ICV error, 2:MIC error, 3:invalid key.
+ * KEY_INDEX: Decryption key actually used.
+ */
+#define RXD_W0_OWNER_NIC FIELD32(0x00000001)
+#define RXD_W0_DROP FIELD32(0x00000002)
+#define RXD_W0_UNICAST_TO_ME FIELD32(0x00000004)
+#define RXD_W0_MULTICAST FIELD32(0x00000008)
+#define RXD_W0_BROADCAST FIELD32(0x00000010)
+#define RXD_W0_MY_BSS FIELD32(0x00000020)
+#define RXD_W0_CRC_ERROR FIELD32(0x00000040)
+#define RXD_W0_OFDM FIELD32(0x00000080)
+#define RXD_W0_CIPHER_ERROR FIELD32(0x00000300)
+#define RXD_W0_KEY_INDEX FIELD32(0x0000fc00)
+#define RXD_W0_DATABYTE_COUNT FIELD32(0x0fff0000)
+#define RXD_W0_CIPHER_ALG FIELD32(0xe0000000)
+
+/*
+ * Word1
+ * SIGNAL: RX raw data rate reported by BBP.
+ */
+#define RXD_W1_SIGNAL FIELD32(0x000000ff)
+#define RXD_W1_RSSI_AGC FIELD32(0x00001f00)
+#define RXD_W1_RSSI_LNA FIELD32(0x00006000)
+#define RXD_W1_FRAME_OFFSET FIELD32(0x7f000000)
+
+/*
+ * Word2
+ * IV: Received IV of originally encrypted.
+ */
+#define RXD_W2_IV FIELD32(0xffffffff)
+
+/*
+ * Word3
+ * EIV: Received EIV of originally encrypted.
+ */
+#define RXD_W3_EIV FIELD32(0xffffffff)
+
+/*
+ * Word4
+ */
+#define RXD_W4_RESERVED FIELD32(0xffffffff)
+
+/*
+ * the above 20-byte is called RXINFO and will be DMAed to MAC RX block
+ * and passed to the HOST driver.
+ * The following fields are for DMA block and HOST usage only.
+ * Can't be touched by ASIC MAC block.
+ */
+
+/*
+ * Word5
+ */
+#define RXD_W5_BUFFER_PHYSICAL_ADDRESS FIELD32(0xffffffff)
+
+/*
+ * Word6-15: Reserved
+ */
+#define RXD_W6_RESERVED FIELD32(0xffffffff)
+#define RXD_W7_RESERVED FIELD32(0xffffffff)
+#define RXD_W8_RESERVED FIELD32(0xffffffff)
+#define RXD_W9_RESERVED FIELD32(0xffffffff)
+#define RXD_W10_RESERVED FIELD32(0xffffffff)
+#define RXD_W11_RESERVED FIELD32(0xffffffff)
+#define RXD_W12_RESERVED FIELD32(0xffffffff)
+#define RXD_W13_RESERVED FIELD32(0xffffffff)
+#define RXD_W14_RESERVED FIELD32(0xffffffff)
+#define RXD_W15_RESERVED FIELD32(0xffffffff)
+
+/*
+ * Macro's for converting txpower from EEPROM to dscape value
+ * and from dscape value to register value.
+ */
+#define MIN_TXPOWER 0
+#define MAX_TXPOWER 31
+#define DEFAULT_TXPOWER 24
+
+#define TXPOWER_FROM_DEV(__txpower) \
+({ \
+ ((__txpower) > MAX_TXPOWER) ? \
+ DEFAULT_TXPOWER : (__txpower); \
+})
+
+#define TXPOWER_TO_DEV(__txpower) \
+({ \
+ ((__txpower) <= MIN_TXPOWER) ? MIN_TXPOWER : \
+ (((__txpower) >= MAX_TXPOWER) ? MAX_TXPOWER : \
+ (__txpower)); \
+})
+
+#endif /* RT61PCI_H */
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
new file mode 100644
index 00000000000..b047c7c0f9e
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -0,0 +1,2124 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt73usb
+ Abstract: rt73usb device specific routines.
+ Supported chipsets: rt2571W & rt2671.
+ */
+
+/*
+ * Set enviroment defines for rt2x00.h
+ */
+#define DRV_NAME "rt73usb"
+
+#include <linux/delay.h>
+#include <linux/etherdevice.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+
+#include "rt2x00.h"
+#include "rt2x00usb.h"
+#include "rt73usb.h"
+
+/*
+ * Register access.
+ * All access to the CSR registers will go through the methods
+ * rt73usb_register_read and rt73usb_register_write.
+ * BBP and RF register require indirect register access,
+ * and use the CSR registers BBPCSR and RFCSR to achieve this.
+ * These indirect registers work with busy bits,
+ * and we will try maximal REGISTER_BUSY_COUNT times to access
+ * the register while taking a REGISTER_BUSY_DELAY us delay
+ * between each attampt. When the busy bit is still set at that time,
+ * the access attempt is considered to have failed,
+ * and we will print an error.
+ */
+static inline void rt73usb_register_read(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int offset, u32 *value)
+{
+ __le32 reg;
+ rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
+ USB_VENDOR_REQUEST_IN, offset,
+ &reg, sizeof(u32), REGISTER_TIMEOUT);
+ *value = le32_to_cpu(reg);
+}
+
+static inline void rt73usb_register_multiread(const struct rt2x00_dev
+ *rt2x00dev,
+ const unsigned int offset,
+ void *value, const u32 length)
+{
+ int timeout = REGISTER_TIMEOUT * (length / sizeof(u32));
+ rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
+ USB_VENDOR_REQUEST_IN, offset,
+ value, length, timeout);
+}
+
+static inline void rt73usb_register_write(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int offset, u32 value)
+{
+ __le32 reg = cpu_to_le32(value);
+ rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
+ USB_VENDOR_REQUEST_OUT, offset,
+ &reg, sizeof(u32), REGISTER_TIMEOUT);
+}
+
+static inline void rt73usb_register_multiwrite(const struct rt2x00_dev
+ *rt2x00dev,
+ const unsigned int offset,
+ void *value, const u32 length)
+{
+ int timeout = REGISTER_TIMEOUT * (length / sizeof(u32));
+ rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
+ USB_VENDOR_REQUEST_OUT, offset,
+ value, length, timeout);
+}
+
+static u32 rt73usb_bbp_check(const struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+ unsigned int i;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt73usb_register_read(rt2x00dev, PHY_CSR3, &reg);
+ if (!rt2x00_get_field32(reg, PHY_CSR3_BUSY))
+ break;
+ udelay(REGISTER_BUSY_DELAY);
+ }
+
+ return reg;
+}
+
+static void rt73usb_bbp_write(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, const u8 value)
+{
+ u32 reg;
+
+ /*
+ * Wait until the BBP becomes ready.
+ */
+ reg = rt73usb_bbp_check(rt2x00dev);
+ if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) {
+ ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n");
+ return;
+ }
+
+ /*
+ * Write the data into the BBP.
+ */
+ reg = 0;
+ rt2x00_set_field32(&reg, PHY_CSR3_VALUE, value);
+ rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
+ rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
+ rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 0);
+
+ rt73usb_register_write(rt2x00dev, PHY_CSR3, reg);
+}
+
+static void rt73usb_bbp_read(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u8 *value)
+{
+ u32 reg;
+
+ /*
+ * Wait until the BBP becomes ready.
+ */
+ reg = rt73usb_bbp_check(rt2x00dev);
+ if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) {
+ ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n");
+ return;
+ }
+
+ /*
+ * Write the request into the BBP.
+ */
+ reg = 0;
+ rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
+ rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
+ rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 1);
+
+ rt73usb_register_write(rt2x00dev, PHY_CSR3, reg);
+
+ /*
+ * Wait until the BBP becomes ready.
+ */
+ reg = rt73usb_bbp_check(rt2x00dev);
+ if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) {
+ ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n");
+ *value = 0xff;
+ return;
+ }
+
+ *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE);
+}
+
+static void rt73usb_rf_write(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, const u32 value)
+{
+ u32 reg;
+ unsigned int i;
+
+ if (!word)
+ return;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt73usb_register_read(rt2x00dev, PHY_CSR4, &reg);
+ if (!rt2x00_get_field32(reg, PHY_CSR4_BUSY))
+ goto rf_write;
+ udelay(REGISTER_BUSY_DELAY);
+ }
+
+ ERROR(rt2x00dev, "PHY_CSR4 register busy. Write failed.\n");
+ return;
+
+rf_write:
+ reg = 0;
+ rt2x00_set_field32(&reg, PHY_CSR4_VALUE, value);
+
+ if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
+ rt2x00_rf(&rt2x00dev->chip, RF2527))
+ rt2x00_set_field32(&reg, PHY_CSR4_NUMBER_OF_BITS, 21);
+ else
+ rt2x00_set_field32(&reg, PHY_CSR4_NUMBER_OF_BITS, 20);
+
+ rt2x00_set_field32(&reg, PHY_CSR4_IF_SELECT, 0);
+ rt2x00_set_field32(&reg, PHY_CSR4_BUSY, 1);
+
+ rt73usb_register_write(rt2x00dev, PHY_CSR4, reg);
+ rt2x00_rf_write(rt2x00dev, word, value);
+}
+
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+#define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u32)) )
+
+static void rt73usb_read_csr(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u32 *data)
+{
+ rt73usb_register_read(rt2x00dev, CSR_OFFSET(word), data);
+}
+
+static void rt73usb_write_csr(const struct rt2x00_dev *rt2x00dev,
+ const unsigned int word, u32 data)
+{
+ rt73usb_register_write(rt2x00dev, CSR_OFFSET(word), data);
+}
+
+static const struct rt2x00debug rt73usb_rt2x00debug = {
+ .owner = THIS_MODULE,
+ .csr = {
+ .read = rt73usb_read_csr,
+ .write = rt73usb_write_csr,
+ .word_size = sizeof(u32),
+ .word_count = CSR_REG_SIZE / sizeof(u32),
+ },
+ .eeprom = {
+ .read = rt2x00_eeprom_read,
+ .write = rt2x00_eeprom_write,
+ .word_size = sizeof(u16),
+ .word_count = EEPROM_SIZE / sizeof(u16),
+ },
+ .bbp = {
+ .read = rt73usb_bbp_read,
+ .write = rt73usb_bbp_write,
+ .word_size = sizeof(u8),
+ .word_count = BBP_SIZE / sizeof(u8),
+ },
+ .rf = {
+ .read = rt2x00_rf_read,
+ .write = rt73usb_rf_write,
+ .word_size = sizeof(u32),
+ .word_count = RF_SIZE / sizeof(u32),
+ },
+};
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+
+/*
+ * Configuration handlers.
+ */
+static void rt73usb_config_mac_addr(struct rt2x00_dev *rt2x00dev, u8 *addr)
+{
+ __le32 reg[2];
+ u32 tmp;
+
+ memset(&reg, 0, sizeof(reg));
+ memcpy(&reg, addr, ETH_ALEN);
+
+ tmp = le32_to_cpu(reg[1]);
+ rt2x00_set_field32(&tmp, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
+ reg[1] = cpu_to_le32(tmp);
+
+ /*
+ * The MAC address is passed to us as an array of bytes,
+ * that array is little endian, so no need for byte ordering.
+ */
+ rt73usb_register_multiwrite(rt2x00dev, MAC_CSR2, &reg, sizeof(reg));
+}
+
+static void rt73usb_config_bssid(struct rt2x00_dev *rt2x00dev, u8 *bssid)
+{
+ __le32 reg[2];
+ u32 tmp;
+
+ memset(&reg, 0, sizeof(reg));
+ memcpy(&reg, bssid, ETH_ALEN);
+
+ tmp = le32_to_cpu(reg[1]);
+ rt2x00_set_field32(&tmp, MAC_CSR5_BSS_ID_MASK, 3);
+ reg[1] = cpu_to_le32(tmp);
+
+ /*
+ * The BSSID is passed to us as an array of bytes,
+ * that array is little endian, so no need for byte ordering.
+ */
+ rt73usb_register_multiwrite(rt2x00dev, MAC_CSR4, &reg, sizeof(reg));
+}
+
+static void rt73usb_config_packet_filter(struct rt2x00_dev *rt2x00dev,
+ const unsigned int filter)
+{
+ int promisc = !!(filter & IFF_PROMISC);
+ int multicast = !!(filter & IFF_MULTICAST);
+ int broadcast = !!(filter & IFF_BROADCAST);
+ u32 reg;
+
+ rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_NOT_TO_ME, !promisc);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_MULTICAST, !multicast);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_BORADCAST, !broadcast);
+ rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
+}
+
+static void rt73usb_config_type(struct rt2x00_dev *rt2x00dev, const int type)
+{
+ u32 reg;
+
+ /*
+ * Clear current synchronisation setup.
+ * For the Beacon base registers we only need to clear
+ * the first byte since that byte contains the VALID and OWNER
+ * bits which (when set to 0) will invalidate the entire beacon.
+ */
+ rt73usb_register_write(rt2x00dev, TXRX_CSR9, 0);
+ rt73usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
+ rt73usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
+ rt73usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
+ rt73usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
+
+ /*
+ * Apply hardware packet filter.
+ */
+ rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
+
+ if (!is_monitor_present(&rt2x00dev->interface) &&
+ (type == IEEE80211_IF_TYPE_IBSS || type == IEEE80211_IF_TYPE_STA))
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS, 1);
+ else
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS, 0);
+
+ /*
+ * If there is a non-monitor interface present
+ * the packet should be strict (even if a monitor interface is present!).
+ * When there is only 1 interface present which is in monitor mode
+ * we should start accepting _all_ frames.
+ */
+ if (is_interface_present(&rt2x00dev->interface)) {
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CRC, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_VERSION_ERROR, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_ACK_CTS, 1);
+ } else if (is_monitor_present(&rt2x00dev->interface)) {
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CRC, 0);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL, 0);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL, 0);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_VERSION_ERROR, 0);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DROP_ACK_CTS, 0);
+ }
+
+ rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
+
+ /*
+ * Enable synchronisation.
+ */
+ rt73usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
+ if (is_interface_present(&rt2x00dev->interface)) {
+ rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
+ }
+
+ rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
+ if (type == IEEE80211_IF_TYPE_IBSS || type == IEEE80211_IF_TYPE_AP)
+ rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, 2);
+ else if (type == IEEE80211_IF_TYPE_STA)
+ rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, 1);
+ else if (is_monitor_present(&rt2x00dev->interface) &&
+ !is_interface_present(&rt2x00dev->interface))
+ rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, 0);
+
+ rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
+}
+
+static void rt73usb_config_rate(struct rt2x00_dev *rt2x00dev, const int rate)
+{
+ struct ieee80211_conf *conf = &rt2x00dev->hw->conf;
+ u32 reg;
+ u32 value;
+ u32 preamble;
+
+ if (DEVICE_GET_RATE_FIELD(rate, PREAMBLE))
+ preamble = SHORT_PREAMBLE;
+ else
+ preamble = PREAMBLE;
+
+ reg = DEVICE_GET_RATE_FIELD(rate, RATEMASK) & DEV_BASIC_RATEMASK;
+
+ rt73usb_register_write(rt2x00dev, TXRX_CSR5, reg);
+
+ rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
+ value = ((conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME) ?
+ SHORT_DIFS : DIFS) +
+ PLCP + preamble + get_duration(ACK_SIZE, 10);
+ rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, value);
+ rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
+
+ rt73usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
+ if (preamble == SHORT_PREAMBLE)
+ rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE, 1);
+ else
+ rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE, 0);
+ rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg);
+}
+
+static void rt73usb_config_phymode(struct rt2x00_dev *rt2x00dev,
+ const int phymode)
+{
+ struct ieee80211_hw_mode *mode;
+ struct ieee80211_rate *rate;
+
+ if (phymode == MODE_IEEE80211A)
+ rt2x00dev->curr_hwmode = HWMODE_A;
+ else if (phymode == MODE_IEEE80211B)
+ rt2x00dev->curr_hwmode = HWMODE_B;
+ else
+ rt2x00dev->curr_hwmode = HWMODE_G;
+
+ mode = &rt2x00dev->hwmodes[rt2x00dev->curr_hwmode];
+ rate = &mode->rates[mode->num_rates - 1];
+
+ rt73usb_config_rate(rt2x00dev, rate->val2);
+}
+
+static void rt73usb_config_lock_channel(struct rt2x00_dev *rt2x00dev,
+ struct rf_channel *rf,
+ const int txpower)
+{
+ u8 r3;
+ u8 r94;
+ u8 smart;
+
+ rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
+ rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
+
+ smart = !(rt2x00_rf(&rt2x00dev->chip, RF5225) ||
+ rt2x00_rf(&rt2x00dev->chip, RF2527));
+
+ rt73usb_bbp_read(rt2x00dev, 3, &r3);
+ rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, smart);
+ rt73usb_bbp_write(rt2x00dev, 3, r3);
+
+ r94 = 6;
+ if (txpower > MAX_TXPOWER && txpower <= (MAX_TXPOWER + r94))
+ r94 += txpower - MAX_TXPOWER;
+ else if (txpower < MIN_TXPOWER && txpower >= (MIN_TXPOWER - r94))
+ r94 += txpower;
+ rt73usb_bbp_write(rt2x00dev, 94, r94);
+
+ rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
+ rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
+ rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
+ rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
+
+ rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
+ rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
+ rt73usb_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
+ rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
+
+ rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
+ rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
+ rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
+ rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
+
+ udelay(10);
+}
+
+static void rt73usb_config_channel(struct rt2x00_dev *rt2x00dev,
+ const int index, const int channel,
+ const int txpower)
+{
+ struct rf_channel rf;
+
+ /*
+ * Fill rf_reg structure.
+ */
+ memcpy(&rf, &rt2x00dev->spec.channels[index], sizeof(rf));
+
+ rt73usb_config_lock_channel(rt2x00dev, &rf, txpower);
+}
+
+static void rt73usb_config_txpower(struct rt2x00_dev *rt2x00dev,
+ const int txpower)
+{
+ struct rf_channel rf;
+
+ rt2x00_rf_read(rt2x00dev, 1, &rf.rf1);
+ rt2x00_rf_read(rt2x00dev, 2, &rf.rf2);
+ rt2x00_rf_read(rt2x00dev, 3, &rf.rf3);
+ rt2x00_rf_read(rt2x00dev, 4, &rf.rf4);
+
+ rt73usb_config_lock_channel(rt2x00dev, &rf, txpower);
+}
+
+static void rt73usb_config_antenna_5x(struct rt2x00_dev *rt2x00dev,
+ const int antenna_tx,
+ const int antenna_rx)
+{
+ u8 r3;
+ u8 r4;
+ u8 r77;
+
+ rt73usb_bbp_read(rt2x00dev, 3, &r3);
+ rt73usb_bbp_read(rt2x00dev, 4, &r4);
+ rt73usb_bbp_read(rt2x00dev, 77, &r77);
+
+ rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
+
+ switch (antenna_rx) {
+ case ANTENNA_SW_DIVERSITY:
+ case ANTENNA_HW_DIVERSITY:
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
+ rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
+ !!(rt2x00dev->curr_hwmode != HWMODE_A));
+ break;
+ case ANTENNA_A:
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
+ rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
+
+ if (rt2x00dev->curr_hwmode == HWMODE_A)
+ rt2x00_set_field8(&r77, BBP_R77_PAIR, 0);
+ else
+ rt2x00_set_field8(&r77, BBP_R77_PAIR, 3);
+ break;
+ case ANTENNA_B:
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
+ rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
+
+ if (rt2x00dev->curr_hwmode == HWMODE_A)
+ rt2x00_set_field8(&r77, BBP_R77_PAIR, 3);
+ else
+ rt2x00_set_field8(&r77, BBP_R77_PAIR, 0);
+ break;
+ }
+
+ rt73usb_bbp_write(rt2x00dev, 77, r77);
+ rt73usb_bbp_write(rt2x00dev, 3, r3);
+ rt73usb_bbp_write(rt2x00dev, 4, r4);
+}
+
+static void rt73usb_config_antenna_2x(struct rt2x00_dev *rt2x00dev,
+ const int antenna_tx,
+ const int antenna_rx)
+{
+ u8 r3;
+ u8 r4;
+ u8 r77;
+
+ rt73usb_bbp_read(rt2x00dev, 3, &r3);
+ rt73usb_bbp_read(rt2x00dev, 4, &r4);
+ rt73usb_bbp_read(rt2x00dev, 77, &r77);
+
+ rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
+ rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
+ !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags));
+
+ switch (antenna_rx) {
+ case ANTENNA_SW_DIVERSITY:
+ case ANTENNA_HW_DIVERSITY:
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
+ break;
+ case ANTENNA_A:
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
+ rt2x00_set_field8(&r77, BBP_R77_PAIR, 3);
+ break;
+ case ANTENNA_B:
+ rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
+ rt2x00_set_field8(&r77, BBP_R77_PAIR, 0);
+ break;
+ }
+
+ rt73usb_bbp_write(rt2x00dev, 77, r77);
+ rt73usb_bbp_write(rt2x00dev, 3, r3);
+ rt73usb_bbp_write(rt2x00dev, 4, r4);
+}
+
+struct antenna_sel {
+ u8 word;
+ /*
+ * value[0] -> non-LNA
+ * value[1] -> LNA
+ */
+ u8 value[2];
+};
+
+static const struct antenna_sel antenna_sel_a[] = {
+ { 96, { 0x58, 0x78 } },
+ { 104, { 0x38, 0x48 } },
+ { 75, { 0xfe, 0x80 } },
+ { 86, { 0xfe, 0x80 } },
+ { 88, { 0xfe, 0x80 } },
+ { 35, { 0x60, 0x60 } },
+ { 97, { 0x58, 0x58 } },
+ { 98, { 0x58, 0x58 } },
+};
+
+static const struct antenna_sel antenna_sel_bg[] = {
+ { 96, { 0x48, 0x68 } },
+ { 104, { 0x2c, 0x3c } },
+ { 75, { 0xfe, 0x80 } },
+ { 86, { 0xfe, 0x80 } },
+ { 88, { 0xfe, 0x80 } },
+ { 35, { 0x50, 0x50 } },
+ { 97, { 0x48, 0x48 } },
+ { 98, { 0x48, 0x48 } },
+};
+
+static void rt73usb_config_antenna(struct rt2x00_dev *rt2x00dev,
+ const int antenna_tx, const int antenna_rx)
+{
+ const struct antenna_sel *sel;
+ unsigned int lna;
+ unsigned int i;
+ u32 reg;
+
+ rt73usb_register_read(rt2x00dev, PHY_CSR0, &reg);
+
+ if (rt2x00dev->curr_hwmode == HWMODE_A) {
+ sel = antenna_sel_a;
+ lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
+
+ rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG, 0);
+ rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_A, 1);
+ } else {
+ sel = antenna_sel_bg;
+ lna = test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
+
+ rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG, 1);
+ rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_A, 0);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++)
+ rt73usb_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]);
+
+ rt73usb_register_write(rt2x00dev, PHY_CSR0, reg);
+
+ if (rt2x00_rf(&rt2x00dev->chip, RF5226) ||
+ rt2x00_rf(&rt2x00dev->chip, RF5225))
+ rt73usb_config_antenna_5x(rt2x00dev, antenna_tx, antenna_rx);
+ else if (rt2x00_rf(&rt2x00dev->chip, RF2528) ||
+ rt2x00_rf(&rt2x00dev->chip, RF2527))
+ rt73usb_config_antenna_2x(rt2x00dev, antenna_tx, antenna_rx);
+}
+
+static void rt73usb_config_duration(struct rt2x00_dev *rt2x00dev,
+ const int short_slot_time,
+ const int beacon_int)
+{
+ u32 reg;
+
+ rt73usb_register_read(rt2x00dev, MAC_CSR9, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR9_SLOT_TIME,
+ short_slot_time ? SHORT_SLOT_TIME : SLOT_TIME);
+ rt73usb_register_write(rt2x00dev, MAC_CSR9, reg);
+
+ rt73usb_register_read(rt2x00dev, MAC_CSR8, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR8_SIFS, SIFS);
+ rt2x00_set_field32(&reg, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3);
+ rt2x00_set_field32(&reg, MAC_CSR8_EIFS, EIFS);
+ rt73usb_register_write(rt2x00dev, MAC_CSR8, reg);
+
+ rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER);
+ rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
+
+ rt73usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
+ rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg);
+
+ rt73usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL, beacon_int * 16);
+ rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
+}
+
+static void rt73usb_config(struct rt2x00_dev *rt2x00dev,
+ const unsigned int flags,
+ struct ieee80211_conf *conf)
+{
+ int short_slot_time = conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME;
+
+ if (flags & CONFIG_UPDATE_PHYMODE)
+ rt73usb_config_phymode(rt2x00dev, conf->phymode);
+ if (flags & CONFIG_UPDATE_CHANNEL)
+ rt73usb_config_channel(rt2x00dev, conf->channel_val,
+ conf->channel, conf->power_level);
+ if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
+ rt73usb_config_txpower(rt2x00dev, conf->power_level);
+ if (flags & CONFIG_UPDATE_ANTENNA)
+ rt73usb_config_antenna(rt2x00dev, conf->antenna_sel_tx,
+ conf->antenna_sel_rx);
+ if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
+ rt73usb_config_duration(rt2x00dev, short_slot_time,
+ conf->beacon_int);
+}
+
+/*
+ * LED functions.
+ */
+static void rt73usb_enable_led(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ rt73usb_register_read(rt2x00dev, MAC_CSR14, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR14_ON_PERIOD, 70);
+ rt2x00_set_field32(&reg, MAC_CSR14_OFF_PERIOD, 30);
+ rt73usb_register_write(rt2x00dev, MAC_CSR14, reg);
+
+ rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_RADIO_STATUS, 1);
+ if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A)
+ rt2x00_set_field16(&rt2x00dev->led_reg,
+ MCU_LEDCS_LINK_A_STATUS, 1);
+ else
+ rt2x00_set_field16(&rt2x00dev->led_reg,
+ MCU_LEDCS_LINK_BG_STATUS, 1);
+
+ rt2x00usb_vendor_request_sw(rt2x00dev, USB_LED_CONTROL, 0x0000,
+ rt2x00dev->led_reg, REGISTER_TIMEOUT);
+}
+
+static void rt73usb_disable_led(struct rt2x00_dev *rt2x00dev)
+{
+ rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_RADIO_STATUS, 0);
+ rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LINK_BG_STATUS, 0);
+ rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LINK_A_STATUS, 0);
+
+ rt2x00usb_vendor_request_sw(rt2x00dev, USB_LED_CONTROL, 0x0000,
+ rt2x00dev->led_reg, REGISTER_TIMEOUT);
+}
+
+static void rt73usb_activity_led(struct rt2x00_dev *rt2x00dev, int rssi)
+{
+ u32 led;
+
+ if (rt2x00dev->led_mode != LED_MODE_SIGNAL_STRENGTH)
+ return;
+
+ /*
+ * Led handling requires a positive value for the rssi,
+ * to do that correctly we need to add the correction.
+ */
+ rssi += rt2x00dev->rssi_offset;
+
+ if (rssi <= 30)
+ led = 0;
+ else if (rssi <= 39)
+ led = 1;
+ else if (rssi <= 49)
+ led = 2;
+ else if (rssi <= 53)
+ led = 3;
+ else if (rssi <= 63)
+ led = 4;
+ else
+ led = 5;
+
+ rt2x00usb_vendor_request_sw(rt2x00dev, USB_LED_CONTROL, led,
+ rt2x00dev->led_reg, REGISTER_TIMEOUT);
+}
+
+/*
+ * Link tuning
+ */
+static void rt73usb_link_stats(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ /*
+ * Update FCS error count from register.
+ */
+ rt73usb_register_read(rt2x00dev, STA_CSR0, &reg);
+ rt2x00dev->link.rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR);
+
+ /*
+ * Update False CCA count from register.
+ */
+ rt73usb_register_read(rt2x00dev, STA_CSR1, &reg);
+ reg = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR);
+ rt2x00dev->link.false_cca =
+ rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR);
+}
+
+static void rt73usb_reset_tuner(struct rt2x00_dev *rt2x00dev)
+{
+ rt73usb_bbp_write(rt2x00dev, 17, 0x20);
+ rt2x00dev->link.vgc_level = 0x20;
+}
+
+static void rt73usb_link_tuner(struct rt2x00_dev *rt2x00dev)
+{
+ int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
+ u8 r17;
+ u8 up_bound;
+ u8 low_bound;
+
+ /*
+ * Update Led strength
+ */
+ rt73usb_activity_led(rt2x00dev, rssi);
+
+ rt73usb_bbp_read(rt2x00dev, 17, &r17);
+
+ /*
+ * Determine r17 bounds.
+ */
+ if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A) {
+ low_bound = 0x28;
+ up_bound = 0x48;
+
+ if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
+ low_bound += 0x10;
+ up_bound += 0x10;
+ }
+ } else {
+ if (rssi > -82) {
+ low_bound = 0x1c;
+ up_bound = 0x40;
+ } else if (rssi > -84) {
+ low_bound = 0x1c;
+ up_bound = 0x20;
+ } else {
+ low_bound = 0x1c;
+ up_bound = 0x1c;
+ }
+
+ if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
+ low_bound += 0x14;
+ up_bound += 0x10;
+ }
+ }
+
+ /*
+ * Special big-R17 for very short distance
+ */
+ if (rssi > -35) {
+ if (r17 != 0x60)
+ rt73usb_bbp_write(rt2x00dev, 17, 0x60);
+ return;
+ }
+
+ /*
+ * Special big-R17 for short distance
+ */
+ if (rssi >= -58) {
+ if (r17 != up_bound)
+ rt73usb_bbp_write(rt2x00dev, 17, up_bound);
+ return;
+ }
+
+ /*
+ * Special big-R17 for middle-short distance
+ */
+ if (rssi >= -66) {
+ low_bound += 0x10;
+ if (r17 != low_bound)
+ rt73usb_bbp_write(rt2x00dev, 17, low_bound);
+ return;
+ }
+
+ /*
+ * Special mid-R17 for middle distance
+ */
+ if (rssi >= -74) {
+ if (r17 != (low_bound + 0x10))
+ rt73usb_bbp_write(rt2x00dev, 17, low_bound + 0x08);
+ return;
+ }
+
+ /*
+ * Special case: Change up_bound based on the rssi.
+ * Lower up_bound when rssi is weaker then -74 dBm.
+ */
+ up_bound -= 2 * (-74 - rssi);
+ if (low_bound > up_bound)
+ up_bound = low_bound;
+
+ if (r17 > up_bound) {
+ rt73usb_bbp_write(rt2x00dev, 17, up_bound);
+ return;
+ }
+
+ /*
+ * r17 does not yet exceed upper limit, continue and base
+ * the r17 tuning on the false CCA count.
+ */
+ if (rt2x00dev->link.false_cca > 512 && r17 < up_bound) {
+ r17 += 4;
+ if (r17 > up_bound)
+ r17 = up_bound;
+ rt73usb_bbp_write(rt2x00dev, 17, r17);
+ } else if (rt2x00dev->link.false_cca < 100 && r17 > low_bound) {
+ r17 -= 4;
+ if (r17 < low_bound)
+ r17 = low_bound;
+ rt73usb_bbp_write(rt2x00dev, 17, r17);
+ }
+}
+
+/*
+ * Firmware name function.
+ */
+static char *rt73usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
+{
+ return FIRMWARE_RT2571;
+}
+
+/*
+ * Initialization functions.
+ */
+static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, void *data,
+ const size_t len)
+{
+ unsigned int i;
+ int status;
+ u32 reg;
+ char *ptr = data;
+ char *cache;
+ int buflen;
+ int timeout;
+
+ /*
+ * Wait for stable hardware.
+ */
+ for (i = 0; i < 100; i++) {
+ rt73usb_register_read(rt2x00dev, MAC_CSR0, &reg);
+ if (reg)
+ break;
+ msleep(1);
+ }
+
+ if (!reg) {
+ ERROR(rt2x00dev, "Unstable hardware.\n");
+ return -EBUSY;
+ }
+
+ /*
+ * Write firmware to device.
+ * We setup a seperate cache for this action,
+ * since we are going to write larger chunks of data
+ * then normally used cache size.
+ */
+ cache = kmalloc(CSR_CACHE_SIZE_FIRMWARE, GFP_KERNEL);
+ if (!cache) {
+ ERROR(rt2x00dev, "Failed to allocate firmware cache.\n");
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < len; i += CSR_CACHE_SIZE_FIRMWARE) {
+ buflen = min_t(int, len - i, CSR_CACHE_SIZE_FIRMWARE);
+ timeout = REGISTER_TIMEOUT * (buflen / sizeof(u32));
+
+ memcpy(cache, ptr, buflen);
+
+ rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE,
+ USB_VENDOR_REQUEST_OUT,
+ FIRMWARE_IMAGE_BASE + i, 0x0000,
+ cache, buflen, timeout);
+
+ ptr += buflen;
+ }
+
+ kfree(cache);
+
+ /*
+ * Send firmware request to device to load firmware,
+ * we need to specify a long timeout time.
+ */
+ status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
+ 0x0000, USB_MODE_FIRMWARE,
+ REGISTER_TIMEOUT_FIRMWARE);
+ if (status < 0) {
+ ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
+ return status;
+ }
+
+ rt73usb_disable_led(rt2x00dev);
+
+ return 0;
+}
+
+static int rt73usb_init_registers(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR0_AUTO_TX_SEQ, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 0);
+ rt2x00_set_field32(&reg, TXRX_CSR0_TX_WITHOUT_WAITING, 0);
+ rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
+
+ rt73usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0, 47); /* CCK Signal */
+ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0_VALID, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1, 30); /* Rssi */
+ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1_VALID, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2, 42); /* OFDM Rate */
+ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2_VALID, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3, 30); /* Rssi */
+ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3_VALID, 1);
+ rt73usb_register_write(rt2x00dev, TXRX_CSR1, reg);
+
+ /*
+ * CCK TXD BBP registers
+ */
+ rt73usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0, 13);
+ rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0_VALID, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1, 12);
+ rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1_VALID, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2, 11);
+ rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2_VALID, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3, 10);
+ rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3_VALID, 1);
+ rt73usb_register_write(rt2x00dev, TXRX_CSR2, reg);
+
+ /*
+ * OFDM TXD BBP registers
+ */
+ rt73usb_register_read(rt2x00dev, TXRX_CSR3, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0, 7);
+ rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0_VALID, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1, 6);
+ rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1_VALID, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2, 5);
+ rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2_VALID, 1);
+ rt73usb_register_write(rt2x00dev, TXRX_CSR3, reg);
+
+ rt73usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_6MBS, 59);
+ rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_9MBS, 53);
+ rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_12MBS, 49);
+ rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_18MBS, 46);
+ rt73usb_register_write(rt2x00dev, TXRX_CSR7, reg);
+
+ rt73usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_24MBS, 44);
+ rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_36MBS, 42);
+ rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_48MBS, 42);
+ rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_54MBS, 42);
+ rt73usb_register_write(rt2x00dev, TXRX_CSR8, reg);
+
+ rt73usb_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f);
+
+ rt73usb_register_read(rt2x00dev, MAC_CSR6, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR6_MAX_FRAME_UNIT, 0xfff);
+ rt73usb_register_write(rt2x00dev, MAC_CSR6, reg);
+
+ rt73usb_register_write(rt2x00dev, MAC_CSR10, 0x00000718);
+
+ if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
+ return -EBUSY;
+
+ rt73usb_register_write(rt2x00dev, MAC_CSR13, 0x00007f00);
+
+ /*
+ * Invalidate all Shared Keys (SEC_CSR0),
+ * and clear the Shared key Cipher algorithms (SEC_CSR1 & SEC_CSR5)
+ */
+ rt73usb_register_write(rt2x00dev, SEC_CSR0, 0x00000000);
+ rt73usb_register_write(rt2x00dev, SEC_CSR1, 0x00000000);
+ rt73usb_register_write(rt2x00dev, SEC_CSR5, 0x00000000);
+
+ reg = 0x000023b0;
+ if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
+ rt2x00_rf(&rt2x00dev->chip, RF2527))
+ rt2x00_set_field32(&reg, PHY_CSR1_RF_RPI, 1);
+ rt73usb_register_write(rt2x00dev, PHY_CSR1, reg);
+
+ rt73usb_register_write(rt2x00dev, PHY_CSR5, 0x00040a06);
+ rt73usb_register_write(rt2x00dev, PHY_CSR6, 0x00080606);
+ rt73usb_register_write(rt2x00dev, PHY_CSR7, 0x00000408);
+
+ rt73usb_register_read(rt2x00dev, AC_TXOP_CSR0, &reg);
+ rt2x00_set_field32(&reg, AC_TXOP_CSR0_AC0_TX_OP, 0);
+ rt2x00_set_field32(&reg, AC_TXOP_CSR0_AC1_TX_OP, 0);
+ rt73usb_register_write(rt2x00dev, AC_TXOP_CSR0, reg);
+
+ rt73usb_register_read(rt2x00dev, AC_TXOP_CSR1, &reg);
+ rt2x00_set_field32(&reg, AC_TXOP_CSR1_AC2_TX_OP, 192);
+ rt2x00_set_field32(&reg, AC_TXOP_CSR1_AC3_TX_OP, 48);
+ rt73usb_register_write(rt2x00dev, AC_TXOP_CSR1, reg);
+
+ rt73usb_register_read(rt2x00dev, MAC_CSR9, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR9_CW_SELECT, 0);
+ rt73usb_register_write(rt2x00dev, MAC_CSR9, reg);
+
+ /*
+ * We must clear the error counters.
+ * These registers are cleared on read,
+ * so we may pass a useless variable to store the value.
+ */
+ rt73usb_register_read(rt2x00dev, STA_CSR0, &reg);
+ rt73usb_register_read(rt2x00dev, STA_CSR1, &reg);
+ rt73usb_register_read(rt2x00dev, STA_CSR2, &reg);
+
+ /*
+ * Reset MAC and BBP registers.
+ */
+ rt73usb_register_read(rt2x00dev, MAC_CSR1, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 1);
+ rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 1);
+ rt73usb_register_write(rt2x00dev, MAC_CSR1, reg);
+
+ rt73usb_register_read(rt2x00dev, MAC_CSR1, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 0);
+ rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 0);
+ rt73usb_register_write(rt2x00dev, MAC_CSR1, reg);
+
+ rt73usb_register_read(rt2x00dev, MAC_CSR1, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR1_HOST_READY, 1);
+ rt73usb_register_write(rt2x00dev, MAC_CSR1, reg);
+
+ return 0;
+}
+
+static int rt73usb_init_bbp(struct rt2x00_dev *rt2x00dev)
+{
+ unsigned int i;
+ u16 eeprom;
+ u8 reg_id;
+ u8 value;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt73usb_bbp_read(rt2x00dev, 0, &value);
+ if ((value != 0xff) && (value != 0x00))
+ goto continue_csr_init;
+ NOTICE(rt2x00dev, "Waiting for BBP register.\n");
+ udelay(REGISTER_BUSY_DELAY);
+ }
+
+ ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
+ return -EACCES;
+
+continue_csr_init:
+ rt73usb_bbp_write(rt2x00dev, 3, 0x80);
+ rt73usb_bbp_write(rt2x00dev, 15, 0x30);
+ rt73usb_bbp_write(rt2x00dev, 21, 0xc8);
+ rt73usb_bbp_write(rt2x00dev, 22, 0x38);
+ rt73usb_bbp_write(rt2x00dev, 23, 0x06);
+ rt73usb_bbp_write(rt2x00dev, 24, 0xfe);
+ rt73usb_bbp_write(rt2x00dev, 25, 0x0a);
+ rt73usb_bbp_write(rt2x00dev, 26, 0x0d);
+ rt73usb_bbp_write(rt2x00dev, 32, 0x0b);
+ rt73usb_bbp_write(rt2x00dev, 34, 0x12);
+ rt73usb_bbp_write(rt2x00dev, 37, 0x07);
+ rt73usb_bbp_write(rt2x00dev, 39, 0xf8);
+ rt73usb_bbp_write(rt2x00dev, 41, 0x60);
+ rt73usb_bbp_write(rt2x00dev, 53, 0x10);
+ rt73usb_bbp_write(rt2x00dev, 54, 0x18);
+ rt73usb_bbp_write(rt2x00dev, 60, 0x10);
+ rt73usb_bbp_write(rt2x00dev, 61, 0x04);
+ rt73usb_bbp_write(rt2x00dev, 62, 0x04);
+ rt73usb_bbp_write(rt2x00dev, 75, 0xfe);
+ rt73usb_bbp_write(rt2x00dev, 86, 0xfe);
+ rt73usb_bbp_write(rt2x00dev, 88, 0xfe);
+ rt73usb_bbp_write(rt2x00dev, 90, 0x0f);
+ rt73usb_bbp_write(rt2x00dev, 99, 0x00);
+ rt73usb_bbp_write(rt2x00dev, 102, 0x16);
+ rt73usb_bbp_write(rt2x00dev, 107, 0x04);
+
+ DEBUG(rt2x00dev, "Start initialization from EEPROM...\n");
+ for (i = 0; i < EEPROM_BBP_SIZE; i++) {
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
+
+ if (eeprom != 0xffff && eeprom != 0x0000) {
+ reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
+ value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
+ DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n",
+ reg_id, value);
+ rt73usb_bbp_write(rt2x00dev, reg_id, value);
+ }
+ }
+ DEBUG(rt2x00dev, "...End initialization from EEPROM.\n");
+
+ return 0;
+}
+
+/*
+ * Device state switch handlers.
+ */
+static void rt73usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
+ enum dev_state state)
+{
+ u32 reg;
+
+ rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
+ rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX,
+ state == STATE_RADIO_RX_OFF);
+ rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
+}
+
+static int rt73usb_enable_radio(struct rt2x00_dev *rt2x00dev)
+{
+ /*
+ * Initialize all registers.
+ */
+ if (rt73usb_init_registers(rt2x00dev) ||
+ rt73usb_init_bbp(rt2x00dev)) {
+ ERROR(rt2x00dev, "Register initialization failed.\n");
+ return -EIO;
+ }
+
+ rt2x00usb_enable_radio(rt2x00dev);
+
+ /*
+ * Enable LED
+ */
+ rt73usb_enable_led(rt2x00dev);
+
+ return 0;
+}
+
+static void rt73usb_disable_radio(struct rt2x00_dev *rt2x00dev)
+{
+ /*
+ * Disable LED
+ */
+ rt73usb_disable_led(rt2x00dev);
+
+ rt73usb_register_write(rt2x00dev, MAC_CSR10, 0x00001818);
+
+ /*
+ * Disable synchronisation.
+ */
+ rt73usb_register_write(rt2x00dev, TXRX_CSR9, 0);
+
+ rt2x00usb_disable_radio(rt2x00dev);
+}
+
+static int rt73usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state)
+{
+ u32 reg;
+ unsigned int i;
+ char put_to_sleep;
+ char current_state;
+
+ put_to_sleep = (state != STATE_AWAKE);
+
+ rt73usb_register_read(rt2x00dev, MAC_CSR12, &reg);
+ rt2x00_set_field32(&reg, MAC_CSR12_FORCE_WAKEUP, !put_to_sleep);
+ rt2x00_set_field32(&reg, MAC_CSR12_PUT_TO_SLEEP, put_to_sleep);
+ rt73usb_register_write(rt2x00dev, MAC_CSR12, reg);
+
+ /*
+ * Device is not guaranteed to be in the requested state yet.
+ * We must wait until the register indicates that the
+ * device has entered the correct state.
+ */
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt73usb_register_read(rt2x00dev, MAC_CSR12, &reg);
+ current_state =
+ rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE);
+ if (current_state == !put_to_sleep)
+ return 0;
+ msleep(10);
+ }
+
+ NOTICE(rt2x00dev, "Device failed to enter state %d, "
+ "current device state %d.\n", !put_to_sleep, current_state);
+
+ return -EBUSY;
+}
+
+static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev,
+ enum dev_state state)
+{
+ int retval = 0;
+
+ switch (state) {
+ case STATE_RADIO_ON:
+ retval = rt73usb_enable_radio(rt2x00dev);
+ break;
+ case STATE_RADIO_OFF:
+ rt73usb_disable_radio(rt2x00dev);
+ break;
+ case STATE_RADIO_RX_ON:
+ case STATE_RADIO_RX_OFF:
+ rt73usb_toggle_rx(rt2x00dev, state);
+ break;
+ case STATE_DEEP_SLEEP:
+ case STATE_SLEEP:
+ case STATE_STANDBY:
+ case STATE_AWAKE:
+ retval = rt73usb_set_state(rt2x00dev, state);
+ break;
+ default:
+ retval = -ENOTSUPP;
+ break;
+ }
+
+ return retval;
+}
+
+/*
+ * TX descriptor initialization
+ */
+static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
+ struct data_desc *txd,
+ struct data_entry_desc *desc,
+ struct ieee80211_hdr *ieee80211hdr,
+ unsigned int length,
+ struct ieee80211_tx_control *control)
+{
+ u32 word;
+
+ /*
+ * Start writing the descriptor words.
+ */
+ rt2x00_desc_read(txd, 1, &word);
+ rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, desc->queue);
+ rt2x00_set_field32(&word, TXD_W1_AIFSN, desc->aifs);
+ rt2x00_set_field32(&word, TXD_W1_CWMIN, desc->cw_min);
+ rt2x00_set_field32(&word, TXD_W1_CWMAX, desc->cw_max);
+ rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER);
+ rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE, 1);
+ rt2x00_desc_write(txd, 1, word);
+
+ rt2x00_desc_read(txd, 2, &word);
+ rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, desc->signal);
+ rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, desc->service);
+ rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, desc->length_low);
+ rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, desc->length_high);
+ rt2x00_desc_write(txd, 2, word);
+
+ rt2x00_desc_read(txd, 5, &word);
+ rt2x00_set_field32(&word, TXD_W5_TX_POWER,
+ TXPOWER_TO_DEV(control->power_level));
+ rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1);
+ rt2x00_desc_write(txd, 5, word);
+
+ rt2x00_desc_read(txd, 0, &word);
+ rt2x00_set_field32(&word, TXD_W0_BURST,
+ test_bit(ENTRY_TXD_BURST, &desc->flags));
+ rt2x00_set_field32(&word, TXD_W0_VALID, 1);
+ rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
+ test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags));
+ rt2x00_set_field32(&word, TXD_W0_ACK,
+ !(control->flags & IEEE80211_TXCTL_NO_ACK));
+ rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
+ test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags));
+ rt2x00_set_field32(&word, TXD_W0_OFDM,
+ test_bit(ENTRY_TXD_OFDM_RATE, &desc->flags));
+ rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs);
+ rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
+ !!(control->flags &
+ IEEE80211_TXCTL_LONG_RETRY_LIMIT));
+ rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, 0);
+ rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, length);
+ rt2x00_set_field32(&word, TXD_W0_BURST2,
+ test_bit(ENTRY_TXD_BURST, &desc->flags));
+ rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE);
+ rt2x00_desc_write(txd, 0, word);
+}
+
+/*
+ * TX data initialization
+ */
+static void rt73usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
+ unsigned int queue)
+{
+ u32 reg;
+
+ if (queue != IEEE80211_TX_QUEUE_BEACON)
+ return;
+
+ /*
+ * For Wi-Fi faily generated beacons between participating stations.
+ * Set TBTT phase adaptive adjustment step to 8us (default 16us)
+ */
+ rt73usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008);
+
+ rt73usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
+ if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) {
+ rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
+ rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
+ }
+}
+
+/*
+ * RX control handlers
+ */
+static int rt73usb_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1)
+{
+ u16 eeprom;
+ u8 offset;
+ u8 lna;
+
+ lna = rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_LNA);
+ switch (lna) {
+ case 3:
+ offset = 90;
+ break;
+ case 2:
+ offset = 74;
+ break;
+ case 1:
+ offset = 64;
+ break;
+ default:
+ return 0;
+ }
+
+ if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A) {
+ if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
+ if (lna == 3 || lna == 2)
+ offset += 10;
+ } else {
+ if (lna == 3)