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authorAntti Palosaari <crope@iki.fi>2012-09-11 22:27:09 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-09-23 19:41:55 -0300
commit5be65721a7f6cdf93e34b2b7497bda4c07c469ed (patch)
treeadb74ef04fa00ae33bf408d91280ee7cdebd7303 /drivers/media/usb/dvb-usb-v2/rtl28xxu.c
parent89054e37a8bb48c1633149122a538eb50f3c0d34 (diff)
downloadvexpress-lsk-5be65721a7f6cdf93e34b2b7497bda4c07c469ed.tar.gz
[media] rtl28xxu: add support for tua9001 tuner based devices
Signed-off-by: Antti Palosaari <crope@iki.fi> 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.c95
1 files changed, 92 insertions, 3 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
index a62238f5aa2..31c9f440a4e 100644
--- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
+++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
@@ -32,6 +32,7 @@
#include "fc0013.h"
#include "e4000.h"
#include "fc2580.h"
+#include "tua9001.h"
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
@@ -399,6 +400,12 @@ static struct rtl2832_config rtl28xxu_rtl2832_fc0013_config = {
.tuner = TUNER_RTL2832_FC0013
};
+static struct rtl2832_config rtl28xxu_rtl2832_tua9001_config = {
+ .i2c_addr = 0x10, /* 0x20 */
+ .xtal = 28800000,
+ .tuner = TUNER_RTL2832_TUA9001,
+};
+
static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
int cmd, int arg)
{
@@ -443,6 +450,54 @@ static int rtl2832u_fc0013_tuner_callback(struct dvb_usb_device *d,
return 0;
}
+static int rtl2832u_tua9001_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);
+
+ /*
+ * CEN always enabled by hardware wiring
+ * RESETN GPIO4
+ * RXEN GPIO1
+ */
+
+ ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
+ if (ret < 0)
+ goto err;
+
+ switch (cmd) {
+ case TUA9001_CMD_RESETN:
+ if (arg)
+ val |= (1 << 4);
+ else
+ val &= ~(1 << 4);
+
+ ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, val);
+ if (ret < 0)
+ goto err;
+ break;
+ case TUA9001_CMD_RXEN:
+ if (arg)
+ val |= (1 << 1);
+ else
+ val &= ~(1 << 1);
+
+ ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, val);
+ if (ret < 0)
+ goto err;
+ break;
+ }
+
+ return 0;
+
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
static int rtl2832u_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
{
struct rtl28xxu_priv *priv = d->priv;
@@ -453,6 +508,9 @@ static int rtl2832u_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
case TUNER_RTL2832_FC0013:
return rtl2832u_fc0013_tuner_callback(d, cmd, arg);
+
+ case TUNER_RTL2832_TUA9001:
+ return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
default:
break;
}
@@ -608,10 +666,10 @@ static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
priv->tuner = TUNER_RTL2832_TUA9001;
- /* TODO implement tuner */
+ rtl2832_config = &rtl28xxu_rtl2832_tua9001_config;
dev_info(&d->udev->dev, "%s: TUA9001 tuner found",
KBUILD_MODNAME);
- goto unsupported;
+ goto found;
}
/* check MXL5007R ID register; reg=d9 val=14 */
@@ -760,12 +818,17 @@ static const struct fc2580_config rtl2832u_fc2580_config = {
.clock = 16384000,
};
+static struct tua9001_config rtl2832u_tua9001_config = {
+ .i2c_addr = 0x60,
+};
+
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;
+ u8 val;
dev_dbg(&d->udev->dev, "%s:\n", __func__);
@@ -796,6 +859,33 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
fe = dvb_attach(fc2580_attach, adap->fe[0], &d->i2c_adap,
&rtl2832u_fc2580_config);
break;
+ case TUNER_RTL2832_TUA9001:
+ /* enable GPIO1 and GPIO4 as output */
+ ret = rtl28xx_rd_reg(d, SYS_GPIO_DIR, &val);
+ if (ret < 0)
+ goto err;
+
+ val &= ~(1 << 1);
+ val &= ~(1 << 4);
+
+ ret = rtl28xx_wr_reg(d, SYS_GPIO_DIR, val);
+ if (ret < 0)
+ goto err;
+
+ ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_EN, &val);
+ if (ret < 0)
+ goto err;
+
+ val |= (1 << 1);
+ val |= (1 << 4);
+
+ ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_EN, val);
+ if (ret < 0)
+ goto err;
+
+ fe = dvb_attach(tua9001_attach, adap->fe[0], &d->i2c_adap,
+ &rtl2832u_tua9001_config);
+ break;
default:
fe = NULL;
dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME,
@@ -978,7 +1068,6 @@ static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
if (ret)
goto err;
-
/* streaming EP: clear stall & reset */
ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
if (ret)