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[media] rtl2832: improve slave TS control

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Add callback parameter to select enable / disable slave TS and use
it when slave demod is in use.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Antti Palosaari 2016-02-05 18:26:30 -02:00 committed by Mauro Carvalho Chehab
parent 7908fad99a
commit d884acad4f
3 changed files with 54 additions and 46 deletions
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72
drivers/media/dvb-frontends/rtl2832.c
View File

@ -347,6 +347,10 @@ static int rtl2832_init(struct dvb_frontend *fe)
dev_dbg(&client->dev, "\n");
ret = rtl2832_wr_demod_reg(dev, DVBT_SOFT_RST, 0x0);
if (ret)
goto err;
for (i = 0; i < ARRAY_SIZE(rtl2832_initial_regs); i++) {
ret = rtl2832_wr_demod_reg(dev, rtl2832_initial_regs[i].reg,
rtl2832_initial_regs[i].value);
@ -491,11 +495,6 @@ static int rtl2832_set_frontend(struct dvb_frontend *fe)
if (fe->ops.tuner_ops.set_params)
fe->ops.tuner_ops.set_params(fe);
/* PIP mode related */
ret = rtl2832_bulk_write(client, 0x192, "\x00\x0f\xff", 3);
if (ret)
goto err;
/* If the frontend has get_if_frequency(), use it */
if (fe->ops.tuner_ops.get_if_frequency) {
u32 if_freq;
@ -1081,37 +1080,46 @@ static struct i2c_adapter *rtl2832_get_i2c_adapter(struct i2c_client *client)
return dev->i2c_adapter_tuner;
}
static int rtl2832_enable_slave_ts(struct i2c_client *client)
static int rtl2832_slave_ts_ctrl(struct i2c_client *client, bool enable)
{
struct rtl2832_dev *dev = i2c_get_clientdata(client);
int ret;
dev_dbg(&client->dev, "\n");
dev_dbg(&client->dev, "enable=%d\n", enable);
ret = rtl2832_bulk_write(client, 0x10c, "\x5f\xff", 2);
if (ret)
goto err;
ret = rtl2832_wr_demod_reg(dev, DVBT_PIP_ON, 0x1);
if (ret)
goto err;
ret = rtl2832_bulk_write(client, 0x0bc, "\x18", 1);
if (ret)
goto err;
ret = rtl2832_bulk_write(client, 0x192, "\x7f\xf7\xff", 3);
if (ret)
goto err;
/* soft reset */
ret = rtl2832_wr_demod_reg(dev, DVBT_SOFT_RST, 0x1);
if (ret)
goto err;
ret = rtl2832_wr_demod_reg(dev, DVBT_SOFT_RST, 0x0);
if (ret)
goto err;
if (enable) {
ret = rtl2832_wr_demod_reg(dev, DVBT_SOFT_RST, 0x0);
if (ret)
goto err;
ret = rtl2832_bulk_write(client, 0x10c, "\x5f\xff", 2);
if (ret)
goto err;
ret = rtl2832_wr_demod_reg(dev, DVBT_PIP_ON, 0x1);
if (ret)
goto err;
ret = rtl2832_bulk_write(client, 0x0bc, "\x18", 1);
if (ret)
goto err;
ret = rtl2832_bulk_write(client, 0x192, "\x7f\xf7\xff", 3);
if (ret)
goto err;
} else {
ret = rtl2832_bulk_write(client, 0x192, "\x00\x0f\xff", 3);
if (ret)
goto err;
ret = rtl2832_bulk_write(client, 0x0bc, "\x08", 1);
if (ret)
goto err;
ret = rtl2832_wr_demod_reg(dev, DVBT_PIP_ON, 0x0);
if (ret)
goto err;
ret = rtl2832_bulk_write(client, 0x10c, "\x00\x00", 2);
if (ret)
goto err;
ret = rtl2832_wr_demod_reg(dev, DVBT_SOFT_RST, 0x1);
if (ret)
goto err;
}
return 0;
err:
@ -1267,7 +1275,7 @@ static int rtl2832_probe(struct i2c_client *client,
/* setup callbacks */
pdata->get_dvb_frontend = rtl2832_get_dvb_frontend;
pdata->get_i2c_adapter = rtl2832_get_i2c_adapter;
pdata->enable_slave_ts = rtl2832_enable_slave_ts;
pdata->slave_ts_ctrl = rtl2832_slave_ts_ctrl;
pdata->pid_filter = rtl2832_pid_filter;
pdata->pid_filter_ctrl = rtl2832_pid_filter_ctrl;
pdata->bulk_read = rtl2832_bulk_read;

4
drivers/media/dvb-frontends/rtl2832.h
View File

@ -31,7 +31,7 @@
* @tuner: Used tuner model.
* @get_dvb_frontend: Get DVB frontend.
* @get_i2c_adapter: Get I2C adapter.
* @enable_slave_ts: Enable slave TS IF.
* @slave_ts_ctrl: Control slave TS interface.
* @pid_filter: Set PID to PID filter.
* @pid_filter_ctrl: Control PID filter.
*/
@ -53,7 +53,7 @@ struct rtl2832_platform_data {
struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
struct i2c_adapter* (*get_i2c_adapter)(struct i2c_client *);
int (*enable_slave_ts)(struct i2c_client *);
int (*slave_ts_ctrl)(struct i2c_client *, bool);
int (*pid_filter)(struct dvb_frontend *, u8, u16, int);
int (*pid_filter_ctrl)(struct dvb_frontend *, int);
/* private: Register access for SDR module use only */

24
drivers/media/usb/dvb-usb-v2/rtl28xxu.c
View File

@ -1571,19 +1571,19 @@ static int rtl28xxu_frontend_ctrl(struct dvb_frontend *fe, int onoff)
if (dev->chip_id == CHIP_ID_RTL2831U)
return 0;
/* control internal demod ADC */
if (fe->id == 0 && onoff)
val = 0x48; /* enable ADC */
else
val = 0x00; /* disable ADC */
if (fe->id == 0) {
/* control internal demod ADC */
if (onoff)
val = 0x48; /* enable ADC */
else
val = 0x00; /* disable ADC */
ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48);
if (ret)
goto err;
/* bypass slave demod TS through master demod */
if (fe->id == 1 && onoff) {
ret = pdata->enable_slave_ts(dev->i2c_client_demod);
ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48);
if (ret)
goto err;
} else if (fe->id == 1) {
/* bypass slave demod TS through master demod */
ret = pdata->slave_ts_ctrl(dev->i2c_client_demod, onoff);
if (ret)
goto err;
}