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[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>
This commit is contained in:
Antti Palosaari 2012-09-11 22:27:09 -03:00 committed by Mauro Carvalho Chehab
parent 89054e37a8
commit 5be65721a7
1 changed files with 92 additions and 3 deletions
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95
drivers/media/usb/dvb-usb-v2/rtl28xxu.c
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@ -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)