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[media] cx231xx: better handle the master port enable command

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Improves the logic, for it to be clearer and to avoid having
board-dependent config there.

Acked-by: Sri Deevi <Srinivasa.Deevi@conexant.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2010-09-26 20:38:24 -03:00
parent 1a4aa920d0
commit a6f6fb9c86
4 changed files with 42 additions and 61 deletions
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89
drivers/media/video/cx231xx/cx231xx-avcore.c
View File

@ -1268,36 +1268,39 @@ int cx231xx_set_agc_analog_digital_mux_select(struct cx231xx *dev,
return status;
}
int cx231xx_enable_i2c_for_tuner(struct cx231xx *dev, u8 I2CIndex)
int cx231xx_enable_i2c_port_3(struct cx231xx *dev, bool is_port_3)
{
u8 value[4] = { 0, 0, 0, 0 };
int status = 0;
cx231xx_info("Changing the i2c port for tuner to %d\n", I2CIndex);
bool current_is_port_3;
status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
PWR_CTL_EN, value, 4);
if (status < 0)
return status;
if (I2CIndex == I2C_1) {
if (value[0] & I2C_DEMOD_EN) {
value[0] &= ~I2C_DEMOD_EN;
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
PWR_CTL_EN, value, 4);
}
} else {
if (!(value[0] & I2C_DEMOD_EN)) {
value[0] |= I2C_DEMOD_EN;
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
PWR_CTL_EN, value, 4);
}
}
current_is_port_3 = value[0] & I2C_DEMOD_EN ? true : false;
/* Just return, if already using the right port */
if (current_is_port_3 == is_port_3)
return 0;
if (is_port_3)
value[0] |= I2C_DEMOD_EN;
else
value[0] &= ~I2C_DEMOD_EN;
cx231xx_info("Changing the i2c master port to %d\n",
is_port_3 ? 3 : 1);
status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER,
PWR_CTL_EN, value, 4);
return status;
}
EXPORT_SYMBOL_GPL(cx231xx_enable_i2c_for_tuner);
EXPORT_SYMBOL_GPL(cx231xx_enable_i2c_port_3);
void update_HH_register_after_set_DIF(struct cx231xx *dev)
{
/*
@ -2324,24 +2327,14 @@ int cx231xx_set_power_mode(struct cx231xx *dev, enum AV_MODE mode)
msleep(PWR_SLEEP_INTERVAL);
}
if ((dev->model == CX231XX_BOARD_CNXT_CARRAERA) ||
(dev->model == CX231XX_BOARD_CNXT_RDE_250) ||
(dev->model == CX231XX_BOARD_CNXT_SHELBY) ||
(dev->model == CX231XX_BOARD_CNXT_RDU_250)) {
/* tuner path to channel 1 from port 3 */
cx231xx_enable_i2c_for_tuner(dev, I2C_3);
if (dev->board.tuner_type != TUNER_ABSENT) {
/* Enable tuner */
cx231xx_enable_i2c_port_3(dev, true);
/* reset the Tuner */
cx231xx_gpio_set(dev, dev->board.tuner_gpio);
if (dev->board.tuner_gpio)
cx231xx_gpio_set(dev, dev->board.tuner_gpio);
if (dev->cx231xx_reset_analog_tuner)
dev->cx231xx_reset_analog_tuner(dev);
} else if ((dev->model == CX231XX_BOARD_CNXT_RDE_253S) ||
(dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER) ||
(dev->model == CX231XX_BOARD_CNXT_RDU_253S) ||
(dev->model == CX231XX_BOARD_HAUPPAUGE_EXETER)) {
/* tuner path to channel 1 from port 3 */
cx231xx_enable_i2c_for_tuner(dev, I2C_3);
if (dev->cx231xx_reset_analog_tuner)
dev->cx231xx_reset_analog_tuner(dev);
}
@ -2401,33 +2394,23 @@ int cx231xx_set_power_mode(struct cx231xx *dev, enum AV_MODE mode)
msleep(PWR_SLEEP_INTERVAL);
}
if ((dev->model == CX231XX_BOARD_CNXT_CARRAERA) ||
(dev->model == CX231XX_BOARD_CNXT_RDE_250) ||
(dev->model == CX231XX_BOARD_CNXT_SHELBY) ||
(dev->model == CX231XX_BOARD_CNXT_RDU_250)) {
/* tuner path to channel 1 from port 3 */
cx231xx_enable_i2c_for_tuner(dev, I2C_3);
if (dev->board.tuner_type != TUNER_ABSENT) {
/*
* Enable tuner
* Hauppauge Exeter seems to need to do something different!
*/
if (dev->model == CX231XX_BOARD_HAUPPAUGE_EXETER)
cx231xx_enable_i2c_port_3(dev, false);
else
cx231xx_enable_i2c_port_3(dev, true);
/* reset the Tuner */
cx231xx_gpio_set(dev, dev->board.tuner_gpio);
if (dev->cx231xx_reset_analog_tuner)
dev->cx231xx_reset_analog_tuner(dev);
} else if ((dev->model == CX231XX_BOARD_CNXT_RDE_253S) ||
(dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER) ||
(dev->model == CX231XX_BOARD_CNXT_RDU_253S)) {
/* tuner path to channel 1 from port 3 */
cx231xx_enable_i2c_for_tuner(dev, I2C_3);
if (dev->cx231xx_reset_analog_tuner)
dev->cx231xx_reset_analog_tuner(dev);
} else if (dev->model == CX231XX_BOARD_HAUPPAUGE_EXETER) {
/* tuner path to channel 1 from port 1 ?? */
cx231xx_enable_i2c_for_tuner(dev, I2C_1);
if (dev->board.tuner_gpio)
cx231xx_gpio_set(dev, dev->board.tuner_gpio);
if (dev->cx231xx_reset_analog_tuner)
dev->cx231xx_reset_analog_tuner(dev);
}
break;
default:

4
drivers/media/video/cx231xx/cx231xx-core.c
View File

@ -1401,9 +1401,7 @@ int cx231xx_dev_init(struct cx231xx *dev)
cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
/* set the I2C master port to 3 on channel 1 */
if (dev->model != CX231XX_BOARD_CNXT_VIDEO_GRABBER &&
dev->model != CX231XX_BOARD_HAUPPAUGE_USBLIVE2)
errCode = cx231xx_enable_i2c_for_tuner(dev, I2C_3);
errCode = cx231xx_enable_i2c_port_3(dev, true);
return errCode;
}

8
drivers/media/video/cx231xx/cx231xx-dvb.c
View File

@ -235,11 +235,11 @@ static int start_streaming(struct cx231xx_dvb *dvb)
if (dev->USE_ISO) {
cx231xx_info("DVB transfer mode is ISO.\n");
mutex_lock(&dev->i2c_lock);
cx231xx_enable_i2c_for_tuner(dev, I2C_1);
mutex_lock(&dev->i2c_lock);
cx231xx_enable_i2c_port_3(dev, false);
cx231xx_set_alt_setting(dev, INDEX_TS1, 4);
cx231xx_enable_i2c_for_tuner(dev, I2C_3);
mutex_unlock(&dev->i2c_lock);
cx231xx_enable_i2c_port_3(dev, true);
mutex_unlock(&dev->i2c_lock);
rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
if (rc < 0)
return rc;

2
drivers/media/video/cx231xx/cx231xx.h
View File

@ -929,7 +929,7 @@ int cx231xx_power_suspend(struct cx231xx *dev);
int cx231xx_init_ctrl_pin_status(struct cx231xx *dev);
int cx231xx_set_agc_analog_digital_mux_select(struct cx231xx *dev,
u8 analog_or_digital);
int cx231xx_enable_i2c_for_tuner(struct cx231xx *dev, u8 I2CIndex);
int cx231xx_enable_i2c_port_3(struct cx231xx *dev, bool is_port_3);
/* video audio decoder related functions */
void video_mux(struct cx231xx *dev, int index);