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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-06-14 16:35:56 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-13 23:26:31 -0300
commit786baecfe78f8e25547c628b48a60fc8e5636056 (patch)
treebb4101ce010f55cbbfc6d93ee13b44b496a028cc /drivers/media/usb/dvb-usb-v2/rtl28xxu.c
parent616300bd51bee80d2d122c205866aa4c20adbaa8 (diff)
downloadvexpress-lsk-786baecfe78f8e25547c628b48a60fc8e5636056.tar.gz
[media] dvb-usb: move it to drivers/media/usb/dvb-usb
As media/dvb will be removed, move it to a proper place. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/rtl28xxu.c')
-rw-r--r--drivers/media/usb/dvb-usb-v2/rtl28xxu.c1259
1 files changed, 1259 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
new file mode 100644
index 00000000000..a2d1e5b9d9d
--- /dev/null
+++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
@@ -0,0 +1,1259 @@
+/*
+ * Realtek RTL28xxU DVB USB driver
+ *
+ * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
+ * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
+ * Copyright (C) 2012 Thomas Mair <thomas.mair86@googlemail.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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "rtl28xxu.h"
+
+#include "rtl2830.h"
+#include "rtl2832.h"
+
+#include "qt1010.h"
+#include "mt2060.h"
+#include "mxl5005s.h"
+#include "fc0012.h"
+#include "fc0013.h"
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)
+{
+ int ret;
+ unsigned int pipe;
+ u8 requesttype;
+ u8 *buf;
+
+ buf = kmalloc(req->size, GFP_KERNEL);
+ if (!buf) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ if (req->index & CMD_WR_FLAG) {
+ /* write */
+ memcpy(buf, req->data, req->size);
+ requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
+ pipe = usb_sndctrlpipe(d->udev, 0);
+ } else {
+ /* read */
+ requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
+ pipe = usb_rcvctrlpipe(d->udev, 0);
+ }
+
+ ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value,
+ req->index, buf, req->size, 1000);
+ if (ret > 0)
+ ret = 0;
+
+ deb_dump(0, requesttype, req->value, req->index, buf, req->size);
+
+ /* read request, copy returned data to return buf */
+ if (!ret && requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
+ memcpy(req->data, buf, req->size);
+
+ kfree(buf);
+
+ if (ret)
+ goto err;
+
+ return ret;
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int rtl28xx_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
+{
+ struct rtl28xxu_req req;
+
+ if (reg < 0x3000)
+ req.index = CMD_USB_WR;
+ else if (reg < 0x4000)
+ req.index = CMD_SYS_WR;
+ else
+ req.index = CMD_IR_WR;
+
+ req.value = reg;
+ req.size = len;
+ req.data = val;
+
+ return rtl28xxu_ctrl_msg(d, &req);
+}
+
+static int rtl2831_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
+{
+ struct rtl28xxu_req req;
+
+ if (reg < 0x3000)
+ req.index = CMD_USB_RD;
+ else if (reg < 0x4000)
+ req.index = CMD_SYS_RD;
+ else
+ req.index = CMD_IR_RD;
+
+ req.value = reg;
+ req.size = len;
+ req.data = val;
+
+ return rtl28xxu_ctrl_msg(d, &req);
+}
+
+static int rtl28xx_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
+{
+ return rtl28xx_wr_regs(d, reg, &val, 1);
+}
+
+static int rtl28xx_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)
+{
+ return rtl2831_rd_regs(d, reg, val, 1);
+}
+
+/* I2C */
+static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
+ int num)
+{
+ int ret;
+ struct dvb_usb_device *d = i2c_get_adapdata(adap);
+ struct rtl28xxu_priv *priv = d->priv;
+ struct rtl28xxu_req req;
+
+ /*
+ * It is not known which are real I2C bus xfer limits, but testing
+ * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes.
+ * TODO: find out RTL2832U lens
+ */
+
+ /*
+ * I2C adapter logic looks rather complicated due to fact it handles
+ * three different access methods. Those methods are;
+ * 1) integrated demod access
+ * 2) old I2C access
+ * 3) new I2C access
+ *
+ * Used method is selected in order 1, 2, 3. Method 3 can handle all
+ * requests but there is two reasons why not use it always;
+ * 1) It is most expensive, usually two USB messages are needed
+ * 2) At least RTL2831U does not support it
+ *
+ * Method 3 is needed in case of I2C write+read (typical register read)
+ * where write is more than one byte.
+ */
+
+ if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+ return -EAGAIN;
+
+ if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
+ (msg[1].flags & I2C_M_RD)) {
+ if (msg[0].len > 24 || msg[1].len > 24) {
+ /* TODO: check msg[0].len max */
+ ret = -EOPNOTSUPP;
+ goto err_mutex_unlock;
+ } else if (msg[0].addr == 0x10) {
+ /* method 1 - integrated demod */
+ req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
+ req.index = CMD_DEMOD_RD | priv->page;
+ req.size = msg[1].len;
+ req.data = &msg[1].buf[0];
+ ret = rtl28xxu_ctrl_msg(d, &req);
+ } else if (msg[0].len < 2) {
+ /* method 2 - old I2C */
+ req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
+ req.index = CMD_I2C_RD;
+ req.size = msg[1].len;
+ req.data = &msg[1].buf[0];
+ ret = rtl28xxu_ctrl_msg(d, &req);
+ } else {
+ /* method 3 - new I2C */
+ req.value = (msg[0].addr << 1);
+ req.index = CMD_I2C_DA_WR;
+ req.size = msg[0].len;
+ req.data = msg[0].buf;
+ ret = rtl28xxu_ctrl_msg(d, &req);
+ if (ret)
+ goto err_mutex_unlock;
+
+ req.value = (msg[0].addr << 1);
+ req.index = CMD_I2C_DA_RD;
+ req.size = msg[1].len;
+ req.data = msg[1].buf;
+ ret = rtl28xxu_ctrl_msg(d, &req);
+ }
+ } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
+ if (msg[0].len > 22) {
+ /* TODO: check msg[0].len max */
+ ret = -EOPNOTSUPP;
+ goto err_mutex_unlock;
+ } else if (msg[0].addr == 0x10) {
+ /* method 1 - integrated demod */
+ if (msg[0].buf[0] == 0x00) {
+ /* save demod page for later demod access */
+ priv->page = msg[0].buf[1];
+ ret = 0;
+ } else {
+ req.value = (msg[0].buf[0] << 8) |
+ (msg[0].addr << 1);
+ req.index = CMD_DEMOD_WR | priv->page;
+ req.size = msg[0].len-1;
+ req.data = &msg[0].buf[1];
+ ret = rtl28xxu_ctrl_msg(d, &req);
+ }
+ } else if (msg[0].len < 23) {
+ /* method 2 - old I2C */
+ req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
+ req.index = CMD_I2C_WR;
+ req.size = msg[0].len-1;
+ req.data = &msg[0].buf[1];
+ ret = rtl28xxu_ctrl_msg(d, &req);
+ } else {
+ /* method 3 - new I2C */
+ req.value = (msg[0].addr << 1);
+ req.index = CMD_I2C_DA_WR;
+ req.size = msg[0].len;
+ req.data = msg[0].buf;
+ ret = rtl28xxu_ctrl_msg(d, &req);
+ }
+ } else {
+ ret = -EINVAL;
+ }
+
+err_mutex_unlock:
+ mutex_unlock(&d->i2c_mutex);
+
+ return ret ? ret : num;
+}
+
+static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter)
+{
+ return I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm rtl28xxu_i2c_algo = {
+ .master_xfer = rtl28xxu_i2c_xfer,
+ .functionality = rtl28xxu_i2c_func,
+};
+
+static struct rtl2830_config rtl28xxu_rtl2830_mt2060_config = {
+ .i2c_addr = 0x10, /* 0x20 */
+ .xtal = 28800000,
+ .ts_mode = 0,
+ .spec_inv = 1,
+ .if_dvbt = 36150000,
+ .vtop = 0x20,
+ .krf = 0x04,
+ .agc_targ_val = 0x2d,
+
+};
+
+static struct rtl2830_config rtl28xxu_rtl2830_qt1010_config = {
+ .i2c_addr = 0x10, /* 0x20 */
+ .xtal = 28800000,
+ .ts_mode = 0,
+ .spec_inv = 1,
+ .if_dvbt = 36125000,
+ .vtop = 0x20,
+ .krf = 0x04,
+ .agc_targ_val = 0x2d,
+};
+
+static struct rtl2830_config rtl28xxu_rtl2830_mxl5005s_config = {
+ .i2c_addr = 0x10, /* 0x20 */
+ .xtal = 28800000,
+ .ts_mode = 0,
+ .spec_inv = 0,
+ .if_dvbt = 4570000,
+ .vtop = 0x3f,
+ .krf = 0x04,
+ .agc_targ_val = 0x3e,
+};
+
+static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
+{
+ int ret;
+ struct dvb_usb_device *d = adap_to_d(adap);
+ struct rtl28xxu_priv *priv = d_to_priv(d);
+ u8 buf[1];
+ struct rtl2830_config *rtl2830_config;
+ /* open RTL2831U/RTL2830 I2C gate */
+ struct rtl28xxu_req req_gate = { 0x0120, 0x0011, 0x0001, "\x08" };
+ /* for MT2060 tuner probe */
+ struct rtl28xxu_req req_mt2060 = { 0x00c0, CMD_I2C_RD, 1, buf };
+ /* for QT1010 tuner probe */
+ struct rtl28xxu_req req_qt1010 = { 0x0fc4, CMD_I2C_RD, 1, buf };
+
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ /*
+ * RTL2831U GPIOs
+ * =========================================================
+ * GPIO0 | tuner#0 | 0 off | 1 on | MXL5005S (?)
+ * GPIO2 | LED | 0 off | 1 on |
+ * GPIO4 | tuner#1 | 0 on | 1 off | MT2060
+ */
+
+ /* GPIO direction */
+ ret = rtl28xx_wr_reg(d, SYS_GPIO_DIR, 0x0a);
+ if (ret)
+ goto err;
+
+ /* enable as output GPIO0, GPIO2, GPIO4 */
+ ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_EN, 0x15);
+ if (ret)
+ goto err;
+
+ /*
+ * Probe used tuner. We need to know used tuner before demod attach
+ * since there is some demod params needed to set according to tuner.
+ */
+
+ /* demod needs some time to wake up */
+ msleep(20);
+
+ /* open demod I2C gate */
+ ret = rtl28xxu_ctrl_msg(d, &req_gate);
+ if (ret)
+ goto err;
+
+ /* check QT1010 ID(?) register; reg=0f val=2c */
+ ret = rtl28xxu_ctrl_msg(d, &req_qt1010);
+ if (ret == 0 && buf[0] == 0x2c) {
+ priv->tuner = TUNER_RTL2830_QT1010;
+ rtl2830_config = &rtl28xxu_rtl2830_qt1010_config;
+ dev_dbg(&d->udev->dev, "%s: QT1010\n", __func__);
+ goto found;
+ } else {
+ dev_dbg(&d->udev->dev, "%s: QT1010 probe failed=%d - %02x\n",
+ __func__, ret, buf[0]);
+ }
+
+ /* open demod I2C gate */
+ ret = rtl28xxu_ctrl_msg(d, &req_gate);
+ if (ret)
+ goto err;
+
+ /* check MT2060 ID register; reg=00 val=63 */
+ ret = rtl28xxu_ctrl_msg(d, &req_mt2060);
+ if (ret == 0 && buf[0] == 0x63) {
+ priv->tuner = TUNER_RTL2830_MT2060;
+ rtl2830_config = &rtl28xxu_rtl2830_mt2060_config;
+ dev_dbg(&d->udev->dev, "%s: MT2060\n", __func__);
+ goto found;
+ } else {
+ dev_dbg(&d->udev->dev, "%s: MT2060 probe failed=%d - %02x\n",
+ __func__, ret, buf[0]);
+ }
+
+ /* assume MXL5005S */
+ ret = 0;
+ priv->tuner = TUNER_RTL2830_MXL5005S;
+ rtl2830_config = &rtl28xxu_rtl2830_mxl5005s_config;
+ dev_dbg(&d->udev->dev, "%s: MXL5005S\n", __func__);
+ goto found;
+
+found:
+ /* attach demodulator */
+ adap->fe[0] = dvb_attach(rtl2830_attach, rtl2830_config,
+ &d->i2c_adap);
+ if (adap->fe[0] == NULL) {
+ ret = -ENODEV;
+ goto err;
+ }
+
+ return ret;
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static struct rtl2832_config rtl28xxu_rtl2832_fc0012_config = {
+ .i2c_addr = 0x10, /* 0x20 */
+ .xtal = 28800000,
+ .if_dvbt = 0,
+ .tuner = TUNER_RTL2832_FC0012
+};
+
+static struct rtl2832_config rtl28xxu_rtl2832_fc0013_config = {
+ .i2c_addr = 0x10, /* 0x20 */
+ .xtal = 28800000,
+ .if_dvbt = 0,
+ .tuner = TUNER_RTL2832_FC0013
+};
+
+static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
+ int cmd, int arg)
+{
+ int ret;
+ u8 val;
+
+ dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg);
+
+ switch (cmd) {
+ case FC_FE_CALLBACK_VHF_ENABLE:
+ /* set output values */
+ ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
+ if (ret)
+ goto err;
+
+ if (arg)
+ val &= 0xbf; /* set GPIO6 low */
+ else
+ val |= 0x40; /* set GPIO6 high */
+
+
+ ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, val);
+ if (ret)
+ goto err;
+ break;
+ default:
+ ret = -EINVAL;
+ goto err;
+ }
+ return 0;
+
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+
+static int rtl2832u_fc0013_tuner_callback(struct dvb_usb_device *d,
+ int cmd, int arg)
+{
+ /* TODO implement*/
+ return 0;
+}
+
+static int rtl2832u_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
+{
+ struct rtl28xxu_priv *priv = d->priv;
+
+ switch (priv->tuner) {
+ case TUNER_RTL2832_FC0012:
+ return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
+
+ case TUNER_RTL2832_FC0013:
+ return rtl2832u_fc0013_tuner_callback(d, cmd, arg);
+ default:
+ break;
+ }
+
+ return -ENODEV;
+}
+
+static int rtl2832u_frontend_callback(void *adapter_priv, int component,
+ int cmd, int arg)
+{
+ struct i2c_adapter *adap = adapter_priv;
+ struct dvb_usb_device *d = i2c_get_adapdata(adap);
+
+ switch (component) {
+ case DVB_FRONTEND_COMPONENT_TUNER:
+ return rtl2832u_tuner_callback(d, cmd, arg);
+ default:
+ break;
+ }
+
+ return -EINVAL;
+}
+
+static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
+{
+ int ret;
+ struct dvb_usb_device *d = adap_to_d(adap);
+ struct rtl28xxu_priv *priv = d_to_priv(d);
+ struct rtl2832_config *rtl2832_config;
+ u8 buf[2], val;
+ /* open RTL2832U/RTL2832 I2C gate */
+ struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
+ /* close RTL2832U/RTL2832 I2C gate */
+ struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
+ /* for FC0012 tuner probe */
+ struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
+ /* for FC0013 tuner probe */
+ struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
+ /* for MT2266 tuner probe */
+ struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
+ /* for FC2580 tuner probe */
+ struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
+ /* for MT2063 tuner probe */
+ struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
+ /* for MAX3543 tuner probe */
+ struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
+ /* for TUA9001 tuner probe */
+ struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
+ /* for MXL5007T tuner probe */
+ struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
+ /* for E4000 tuner probe */
+ struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
+ /* for TDA18272 tuner probe */
+ struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
+
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ ret = rtl28xx_rd_reg(d, SYS_GPIO_DIR, &val);
+ if (ret)
+ goto err;
+
+ val &= 0xbf;
+
+ ret = rtl28xx_wr_reg(d, SYS_GPIO_DIR, val);
+ if (ret)
+ goto err;
+
+ /* enable as output GPIO3 and GPIO6*/
+ ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_EN, &val);
+ if (ret)
+ goto err;
+
+ val |= 0x48;
+
+ ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_EN, val);
+ if (ret)
+ goto err;
+
+ /*
+ * Probe used tuner. We need to know used tuner before demod attach
+ * since there is some demod params needed to set according to tuner.
+ */
+
+ /* open demod I2C gate */
+ ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
+ if (ret)
+ goto err;
+
+ priv->tuner = TUNER_NONE;
+
+ /* check FC0012 ID register; reg=00 val=a1 */
+ ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
+ if (ret == 0 && buf[0] == 0xa1) {
+ priv->tuner = TUNER_RTL2832_FC0012;
+ rtl2832_config = &rtl28xxu_rtl2832_fc0012_config;
+ dev_info(&d->udev->dev, "%s: FC0012 tuner found",
+ KBUILD_MODNAME);
+ goto found;
+ }
+
+ /* check FC0013 ID register; reg=00 val=a3 */
+ ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
+ if (ret == 0 && buf[0] == 0xa3) {
+ priv->tuner = TUNER_RTL2832_FC0013;
+ rtl2832_config = &rtl28xxu_rtl2832_fc0013_config;
+ dev_info(&d->udev->dev, "%s: FC0013 tuner found",
+ KBUILD_MODNAME);
+ goto found;
+ }
+
+ /* check MT2266 ID register; reg=00 val=85 */
+ ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
+ if (ret == 0 && buf[0] == 0x85) {
+ priv->tuner = TUNER_RTL2832_MT2266;
+ /* TODO implement tuner */
+ dev_info(&d->udev->dev, "%s: MT2266 tuner found",
+ KBUILD_MODNAME);
+ goto unsupported;
+ }
+
+ /* check FC2580 ID register; reg=01 val=56 */
+ ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
+ if (ret == 0 && buf[0] == 0x56) {
+ priv->tuner = TUNER_RTL2832_FC2580;
+ /* TODO implement tuner */
+ dev_info(&d->udev->dev, "%s: FC2580 tuner found",
+ KBUILD_MODNAME);
+ goto unsupported;
+ }
+
+ /* check MT2063 ID register; reg=00 val=9e || 9c */
+ ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
+ if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
+ priv->tuner = TUNER_RTL2832_MT2063;
+ /* TODO implement tuner */
+ dev_info(&d->udev->dev, "%s: MT2063 tuner found",
+ KBUILD_MODNAME);
+ goto unsupported;
+ }
+
+ /* check MAX3543 ID register; reg=00 val=38 */
+ ret = rtl28xxu_ctrl_msg(d, &req_max3543);
+ if (ret == 0 && buf[0] == 0x38) {
+ priv->tuner = TUNER_RTL2832_MAX3543;
+ /* TODO implement tuner */
+ dev_info(&d->udev->dev, "%s: MAX3534 tuner found",
+ KBUILD_MODNAME);
+ goto unsupported;
+ }
+
+ /* check TUA9001 ID register; reg=7e val=2328 */
+ ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
+ if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
+ priv->tuner = TUNER_RTL2832_TUA9001;
+ /* TODO implement tuner */
+ dev_info(&d->udev->dev, "%s: TUA9001 tuner found",
+ KBUILD_MODNAME);
+ goto unsupported;
+ }
+
+ /* check MXL5007R ID register; reg=d9 val=14 */
+ ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
+ if (ret == 0 && buf[0] == 0x14) {
+ priv->tuner = TUNER_RTL2832_MXL5007T;
+ /* TODO implement tuner */
+ dev_info(&d->udev->dev, "%s: MXL5007T tuner found",
+ KBUILD_MODNAME);
+ goto unsupported;
+ }
+
+ /* check E4000 ID register; reg=02 val=40 */
+ ret = rtl28xxu_ctrl_msg(d, &req_e4000);
+ if (ret == 0 && buf[0] == 0x40) {
+ priv->tuner = TUNER_RTL2832_E4000;
+ /* TODO implement tuner */
+ dev_info(&d->udev->dev, "%s: E4000 tuner found",
+ KBUILD_MODNAME);
+ goto unsupported;
+ }
+
+ /* check TDA18272 ID register; reg=00 val=c760 */
+ ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
+ if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
+ priv->tuner = TUNER_RTL2832_TDA18272;
+ /* TODO implement tuner */
+ dev_info(&d->udev->dev, "%s: TDA18272 tuner found",
+ KBUILD_MODNAME);
+ goto unsupported;
+ }
+
+unsupported:
+ /* close demod I2C gate */
+ ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
+ if (ret)
+ goto err;
+
+ /* tuner not found */
+ dev_dbg(&d->udev->dev, "%s: No compatible tuner found\n", __func__);
+ ret = -ENODEV;
+ return ret;
+
+found:
+ /* close demod I2C gate */
+ ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
+ if (ret)
+ goto err;
+
+ /* attach demodulator */
+ adap->fe[0] = dvb_attach(rtl2832_attach, rtl2832_config,
+ &d->i2c_adap);
+ if (adap->fe[0] == NULL) {
+ ret = -ENODEV;
+ goto err;
+ }
+
+ /* set fe callbacks */
+ adap->fe[0]->callback = rtl2832u_frontend_callback;
+
+ return ret;
+
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static struct qt1010_config rtl28xxu_qt1010_config = {
+ .i2c_address = 0x62, /* 0xc4 */
+};
+
+static struct mt2060_config rtl28xxu_mt2060_config = {
+ .i2c_address = 0x60, /* 0xc0 */
+ .clock_out = 0,
+};
+
+static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
+ .i2c_address = 0x63, /* 0xc6 */
+ .if_freq = IF_FREQ_4570000HZ,
+ .xtal_freq = CRYSTAL_FREQ_16000000HZ,
+ .agc_mode = MXL_SINGLE_AGC,
+ .tracking_filter = MXL_TF_C_H,
+ .rssi_enable = MXL_RSSI_ENABLE,
+ .cap_select = MXL_CAP_SEL_ENABLE,
+ .div_out = MXL_DIV_OUT_4,
+ .clock_out = MXL_CLOCK_OUT_DISABLE,
+ .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
+ .top = MXL5005S_TOP_25P2,
+ .mod_mode = MXL_DIGITAL_MODE,
+ .if_mode = MXL_ZERO_IF,
+ .AgcMasterByte = 0x00,
+};
+
+static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
+{
+ int ret;
+ struct dvb_usb_device *d = adap_to_d(adap);
+ struct rtl28xxu_priv *priv = d_to_priv(d);
+ struct i2c_adapter *rtl2830_tuner_i2c;
+ struct dvb_frontend *fe;
+
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ /* use rtl2830 driver I2C adapter, for more info see rtl2830 driver */
+ rtl2830_tuner_i2c = rtl2830_get_tuner_i2c_adapter(adap->fe[0]);
+
+ switch (priv->tuner) {
+ case TUNER_RTL2830_QT1010:
+ fe = dvb_attach(qt1010_attach, adap->fe[0],
+ rtl2830_tuner_i2c, &rtl28xxu_qt1010_config);
+ break;
+ case TUNER_RTL2830_MT2060:
+ fe = dvb_attach(mt2060_attach, adap->fe[0],
+ rtl2830_tuner_i2c, &rtl28xxu_mt2060_config,
+ 1220);
+ break;
+ case TUNER_RTL2830_MXL5005S:
+ fe = dvb_attach(mxl5005s_attach, adap->fe[0],
+ rtl2830_tuner_i2c, &rtl28xxu_mxl5005s_config);
+ break;
+ default:
+ fe = NULL;
+ dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME,
+ priv->tuner);
+ }
+
+ if (fe == NULL) {
+ ret = -ENODEV;
+ goto err;
+ }
+
+ return 0;
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
+{
+ int ret;
+ struct dvb_usb_device *d = adap_to_d(adap);
+ struct rtl28xxu_priv *priv = d_to_priv(d);
+ struct dvb_frontend *fe;
+
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ switch (priv->tuner) {
+ case TUNER_RTL2832_FC0012:
+ fe = dvb_attach(fc0012_attach, adap->fe[0],
+ &d->i2c_adap, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
+
+ /* since fc0012 includs reading the signal strength delegate
+ * that to the tuner driver */
+ adap->fe[0]->ops.read_signal_strength =
+ adap->fe[0]->ops.tuner_ops.get_rf_strength;
+ return 0;
+ break;
+ case TUNER_RTL2832_FC0013:
+ fe = dvb_attach(fc0013_attach, adap->fe[0],
+ &d->i2c_adap, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
+
+ /* fc0013 also supports signal strength reading */
+ adap->fe[0]->ops.read_signal_strength =
+ adap->fe[0]->ops.tuner_ops.get_rf_strength;
+ return 0;
+ default:
+ fe = NULL;
+ dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME,
+ priv->tuner);
+ }
+
+ if (fe == NULL) {
+ ret = -ENODEV;
+ goto err;
+ }
+
+ return 0;
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int rtl28xxu_init(struct dvb_usb_device *d)
+{
+ int ret;
+ u8 val;
+
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ /* init USB endpoints */
+ ret = rtl28xx_rd_reg(d, USB_SYSCTL_0, &val);
+ if (ret)
+ goto err;
+
+ /* enable DMA and Full Packet Mode*/
+ val |= 0x09;
+ ret = rtl28xx_wr_reg(d, USB_SYSCTL_0, val);
+ if (ret)
+ goto err;
+
+ /* set EPA maximum packet size to 0x0200 */
+ ret = rtl28xx_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
+ if (ret)
+ goto err;
+
+ /* change EPA FIFO length */
+ ret = rtl28xx_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
+ if (ret)
+ goto err;
+
+ return ret;
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int rtl28xxu_streaming_ctrl(struct dvb_frontend *fe , int onoff)
+{
+ int ret;
+ u8 buf[2];
+ struct dvb_usb_device *d = fe_to_d(fe);
+
+ dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);
+
+ if (onoff) {
+ buf[0] = 0x00;
+ buf[1] = 0x00;
+ } else {
+ buf[0] = 0x10; /* stall EPA */
+ buf[1] = 0x02; /* reset EPA */
+ }
+
+ ret = rtl28xx_wr_regs(d, USB_EPA_CTL, buf, 2);
+ if (ret)
+ goto err;
+
+ return ret;
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+ int ret;
+ u8 gpio, sys0;
+
+ dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);
+
+ /* demod adc */
+ ret = rtl28xx_rd_reg(d, SYS_SYS0, &sys0);
+ if (ret)
+ goto err;
+
+ /* tuner power, read GPIOs */
+ ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
+ if (ret)
+ goto err;
+
+ dev_dbg(&d->udev->dev, "%s: RD SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__,
+ sys0, gpio);
+
+ if (onoff) {
+ gpio |= 0x01; /* GPIO0 = 1 */
+ gpio &= (~0x10); /* GPIO4 = 0 */
+ gpio |= 0x04; /* GPIO2 = 1, LED on */
+ sys0 = sys0 & 0x0f;
+ sys0 |= 0xe0;
+ } else {
+ gpio &= (~0x01); /* GPIO0 = 0 */
+ gpio |= 0x10; /* GPIO4 = 1 */
+ gpio &= (~0x04); /* GPIO2 = 1, LED off */
+ sys0 = sys0 & (~0xc0);
+ }
+
+ dev_dbg(&d->udev->dev, "%s: WR SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__,
+ sys0, gpio);
+
+ /* demod adc */
+ ret = rtl28xx_wr_reg(d, SYS_SYS0, sys0);
+ if (ret)
+ goto err;
+
+ /* tuner power, write GPIOs */
+ ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
+ if (ret)
+ goto err;
+
+ return ret;
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+ int ret;
+ u8 val;
+
+ dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);
+
+ if (onoff) {
+ /* set output values */
+ ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
+ if (ret)
+ goto err;
+
+ val |= 0x08;
+ val &= 0xef;
+
+ ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, val);
+ if (ret)
+ goto err;
+
+ /* demod_ctl_1 */
+ ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL1, &val);
+ if (ret)
+ goto err;
+
+ val &= 0xef;
+
+ ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL1, val);
+ if (ret)
+ goto err;
+
+ /* demod control */
+ /* PLL enable */
+ ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val);
+ if (ret)
+ goto err;
+
+ /* bit 7 to 1 */
+ val |= 0x80;
+
+ ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val);
+ if (ret)
+ goto err;
+
+ /* demod HW reset */
+ ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val);
+ if (ret)
+ goto err;
+ /* bit 5 to 0 */
+ val &= 0xdf;
+
+ ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val);
+ if (ret)
+ goto err;
+
+ ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val);
+ if (ret)
+ goto err;
+
+ val |= 0x20;
+
+ ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val);
+ if (ret)
+ goto err;
+
+ mdelay(5);
+
+ /*enable ADC_Q and ADC_I */
+ ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val);
+ if (ret)
+ goto err;
+
+ val |= 0x48;
+
+ ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val);
+ if (ret)
+ goto err;
+
+
+ } else {
+ /* demod_ctl_1 */
+ ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL1, &val);
+ if (ret)
+ goto err;
+
+ val |= 0x0c;
+
+ ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL1, val);
+ if (ret)
+ goto err;
+
+ /* set output values */
+ ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
+ if (ret)
+ goto err;
+
+ val |= 0x10;
+
+ ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, val);
+ if (ret)
+ goto err;
+
+ /* demod control */
+ ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val);
+ if (ret)
+ goto err;
+
+ val &= 0x37;
+
+ ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val);
+ if (ret)
+ goto err;
+
+ }
+
+ return ret;
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+
+static int rtl2831u_rc_query(struct dvb_usb_device *d)
+{
+ int ret, i;
+ struct rtl28xxu_priv *priv = d->priv;
+ u8 buf[5];
+ u32 rc_code;
+ struct rtl28xxu_reg_val rc_nec_tab[] = {
+ { 0x3033, 0x80 },
+ { 0x3020, 0x43 },
+ { 0x3021, 0x16 },
+ { 0x3022, 0x16 },
+ { 0x3023, 0x5a },
+ { 0x3024, 0x2d },
+ { 0x3025, 0x16 },
+ { 0x3026, 0x01 },
+ { 0x3028, 0xb0 },
+ { 0x3029, 0x04 },
+ { 0x302c, 0x88 },
+ { 0x302e, 0x13 },
+ { 0x3030, 0xdf },
+ { 0x3031, 0x05 },
+ };
+
+ /* init remote controller */
+ if (!priv->rc_active) {
+ for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
+ ret = rtl28xx_wr_reg(d, rc_nec_tab[i].reg,
+ rc_nec_tab[i].val);
+ if (ret)
+ goto err;
+ }
+ priv->rc_active = true;
+ }
+
+ ret = rtl2831_rd_regs(d, SYS_IRRC_RP, buf, 5);
+ if (ret)
+ goto err;
+
+ if (buf[4] & 0x01) {
+ if (buf[2] == (u8) ~buf[3]) {
+ if (buf[0] == (u8) ~buf[1]) {
+ /* NEC standard (16 bit) */
+ rc_code = buf[0] << 8 | buf[2];
+ } else {
+ /* NEC extended (24 bit) */
+ rc_code = buf[0] << 16 |
+ buf[1] << 8 | buf[2];
+ }
+ } else {
+ /* NEC full (32 bit) */
+ rc_code = buf[0] << 24 | buf[1] << 16 |
+ buf[2] << 8 | buf[3];
+ }
+
+ rc_keydown(d->rc_dev, rc_code, 0);
+
+ ret = rtl28xx_wr_reg(d, SYS_IRRC_SR, 1);
+ if (ret)
+ goto err;
+
+ /* repeated intentionally to avoid extra keypress */
+ ret = rtl28xx_wr_reg(d, SYS_IRRC_SR, 1);
+ if (ret)
+ goto err;
+ }
+
+ return ret;
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
+ struct dvb_usb_rc *rc)
+{
+ rc->map_name = RC_MAP_EMPTY;
+ rc->allowed_protos = RC_TYPE_NEC;
+ rc->query = rtl2831u_rc_query;
+ rc->interval = 400;
+
+ return 0;
+}
+
+static int rtl2832u_rc_query(struct dvb_usb_device *d)
+{
+ int ret, i;
+ struct rtl28xxu_priv *priv = d->priv;
+ u8 buf[128];
+ int len;
+ struct rtl28xxu_reg_val rc_nec_tab[] = {
+ { IR_RX_CTRL, 0x20 },
+ { IR_RX_BUF_CTRL, 0x80 },
+ { IR_RX_IF, 0xff },
+ { IR_RX_IE, 0xff },
+ { IR_MAX_DURATION0, 0xd0 },
+ { IR_MAX_DURATION1, 0x07 },
+ { IR_IDLE_LEN0, 0xc0 },
+ { IR_IDLE_LEN1, 0x00 },
+ { IR_GLITCH_LEN, 0x03 },
+ { IR_RX_CLK, 0x09 },
+ { IR_RX_CFG, 0x1c },
+ { IR_MAX_H_TOL_LEN, 0x1e },
+ { IR_MAX_L_TOL_LEN, 0x1e },
+ { IR_RX_CTRL, 0x80 },
+ };
+
+ /* init remote controller */
+ if (!priv->rc_active) {
+ for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
+ ret = rtl28xx_wr_reg(d, rc_nec_tab[i].reg,
+ rc_nec_tab[i].val);
+ if (ret)
+ goto err;
+ }
+ priv->rc_active = true;
+ }
+
+ ret = rtl28xx_rd_reg(d, IR_RX_IF, &buf[0]);
+ if (ret)
+ goto err;
+
+ if (buf[0] != 0x83)
+ goto exit;
+
+ ret = rtl28xx_rd_reg(d, IR_RX_BC, &buf[0]);
+ if (ret)
+ goto err;
+
+ len = buf[0];
+ ret = rtl2831_rd_regs(d, IR_RX_BUF, buf, len);
+
+ /* TODO: pass raw IR to Kernel IR decoder */
+
+ ret = rtl28xx_wr_reg(d, IR_RX_IF, 0x03);
+ ret = rtl28xx_wr_reg(d, IR_RX_BUF_CTRL, 0x80);
+ ret = rtl28xx_wr_reg(d, IR_RX_CTRL, 0x80);
+
+exit:
+ return ret;
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
+ struct dvb_usb_rc *rc)
+{
+ rc->map_name = RC_MAP_EMPTY;
+ rc->allowed_protos = RC_TYPE_NEC;
+ rc->query = rtl2832u_rc_query;
+ rc->interval = 400;
+
+ return 0;
+}
+
+static const struct dvb_usb_device_properties rtl2831u_props = {
+ .driver_name = KBUILD_MODNAME,
+ .owner = THIS_MODULE,
+ .adapter_nr = adapter_nr,
+ .size_of_priv = sizeof(struct rtl28xxu_priv),
+
+ .power_ctrl = rtl2831u_power_ctrl,
+ .i2c_algo = &rtl28xxu_i2c_algo,
+ .frontend_attach = rtl2831u_frontend_attach,
+ .tuner_attach = rtl2831u_tuner_attach,
+ .init = rtl28xxu_init,
+ .get_rc_config = rtl2831u_get_rc_config,
+ .streaming_ctrl = rtl28xxu_streaming_ctrl,
+
+ .num_adapters = 1,
+ .adapter = {
+ {
+ .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
+ },
+ },
+};
+
+static const struct dvb_usb_device_properties rtl2832u_props = {
+ .driver_name = KBUILD_MODNAME,
+ .owner = THIS_MODULE,
+ .adapter_nr = adapter_nr,
+ .size_of_priv = sizeof(struct rtl28xxu_priv),
+
+ .power_ctrl = rtl2832u_power_ctrl,
+ .i2c_algo = &rtl28xxu_i2c_algo,
+ .frontend_attach = rtl2832u_frontend_attach,
+ .tuner_attach = rtl2832u_tuner_attach,
+ .init = rtl28xxu_init,
+ .get_rc_config = rtl2832u_get_rc_config,
+ .streaming_ctrl = rtl28xxu_streaming_ctrl,
+
+ .num_adapters = 1,
+ .adapter = {
+ {
+ .stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
+ },
+ },
+};
+
+static const struct usb_device_id rtl28xxu_id_table[] = {
+ { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
+ &rtl2831u_props, "Realtek RTL2831U reference design", NULL) },
+ { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
+ &rtl2831u_props, "Freecom USB2.0 DVB-T", NULL) },
+ { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
+ &rtl2831u_props, "Freecom USB2.0 DVB-T", NULL) },
+
+ { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
+ &rtl2832u_props, "Terratec Cinergy T Stick Black", NULL) },
+ { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
+ &rtl2832u_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
+ { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
+ &rtl2832u_props, "NOXON DAB/DAB+ USB dongle", NULL) },
+ { }
+};
+MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
+
+static struct usb_driver rtl28xxu_usb_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = rtl28xxu_id_table,
+ .probe = dvb_usbv2_probe,
+ .disconnect = dvb_usbv2_disconnect,
+ .suspend = dvb_usbv2_suspend,
+ .resume = dvb_usbv2_resume,
+ .no_dynamic_id = 1,
+ .soft_unbind = 1,
+};
+
+module_usb_driver(rtl28xxu_usb_driver);
+
+MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
+MODULE_LICENSE("GPL");