diff options
Diffstat (limited to 'drivers/media/video')
| -rw-r--r-- | drivers/media/video/adv7180.c | 66 |
1 files changed, 54 insertions, 12 deletions
diff --git a/drivers/media/video/adv7180.c b/drivers/media/video/adv7180.c index 1b3cbd02a7fd..f3fce398020a 100644 --- a/drivers/media/video/adv7180.c +++ b/drivers/media/video/adv7180.c @@ -30,14 +30,31 @@ #define DRIVER_NAME "adv7180" -#define ADV7180_INPUT_CONTROL_REG 0x00 -#define ADV7180_INPUT_CONTROL_PAL_BG_NTSC_J_SECAM 0x00 +#define ADV7180_INPUT_CONTROL_REG 0x00 +#define ADV7180_INPUT_CONTROL_AD_PAL_BG_NTSC_J_SECAM 0x00 +#define ADV7180_INPUT_CONTROL_AD_PAL_BG_NTSC_J_SECAM_PED 0x10 +#define ADV7180_INPUT_CONTROL_AD_PAL_N_NTSC_J_SECAM 0x20 +#define ADV7180_INPUT_CONTROL_AD_PAL_N_NTSC_M_SECAM 0x30 +#define ADV7180_INPUT_CONTROL_NTSC_J 0x40 +#define ADV7180_INPUT_CONTROL_NTSC_M 0x50 +#define ADV7180_INPUT_CONTROL_PAL60 0x60 +#define ADV7180_INPUT_CONTROL_NTSC_443 0x70 +#define ADV7180_INPUT_CONTROL_PAL_BG 0x80 +#define ADV7180_INPUT_CONTROL_PAL_N 0x90 +#define ADV7180_INPUT_CONTROL_PAL_M 0xa0 +#define ADV7180_INPUT_CONTROL_PAL_M_PED 0xb0 +#define ADV7180_INPUT_CONTROL_PAL_COMB_N 0xc0 +#define ADV7180_INPUT_CONTROL_PAL_COMB_N_PED 0xd0 +#define ADV7180_INPUT_CONTROL_PAL_SECAM 0xe0 +#define ADV7180_INPUT_CONTROL_PAL_SECAM_PED 0xf0 + #define ADV7180_AUTODETECT_ENABLE_REG 0x07 #define ADV7180_AUTODETECT_DEFAULT 0x7f -#define ADV7180_STATUS1_REG 0x10 -#define ADV7180_STATUS1_AUTOD_MASK 0x70 +#define ADV7180_STATUS1_REG 0x10 +#define ADV7180_STATUS1_IN_LOCK 0x01 +#define ADV7180_STATUS1_AUTOD_MASK 0x70 #define ADV7180_STATUS1_AUTOD_NTSM_M_J 0x00 #define ADV7180_STATUS1_AUTOD_NTSC_4_43 0x10 #define ADV7180_STATUS1_AUTOD_PAL_M 0x20 @@ -55,13 +72,11 @@ struct adv7180_state { struct v4l2_subdev sd; }; -static v4l2_std_id determine_norm(struct i2c_client *client) +static v4l2_std_id adv7180_std_to_v4l2(u8 status1) { - u8 status1 = i2c_smbus_read_byte_data(client, ADV7180_STATUS1_REG); - switch (status1 & ADV7180_STATUS1_AUTOD_MASK) { case ADV7180_STATUS1_AUTOD_NTSM_M_J: - return V4L2_STD_NTSC_M_JP; + return V4L2_STD_NTSC; case ADV7180_STATUS1_AUTOD_NTSC_4_43: return V4L2_STD_NTSC_443; case ADV7180_STATUS1_AUTOD_PAL_M: @@ -81,6 +96,30 @@ static v4l2_std_id determine_norm(struct i2c_client *client) } } +static u32 adv7180_status_to_v4l2(u8 status1) +{ + if (!(status1 & ADV7180_STATUS1_IN_LOCK)) + return V4L2_IN_ST_NO_SIGNAL; + + return 0; +} + +static int __adv7180_status(struct i2c_client *client, u32 *status, + v4l2_std_id *std) +{ + int status1 = i2c_smbus_read_byte_data(client, ADV7180_STATUS1_REG); + + if (status1 < 0) + return status1; + + if (status) + *status = adv7180_status_to_v4l2(status1); + if (std) + *std = adv7180_std_to_v4l2(status1); + + return 0; +} + static inline struct adv7180_state *to_state(struct v4l2_subdev *sd) { return container_of(sd, struct adv7180_state, sd); @@ -88,10 +127,12 @@ static inline struct adv7180_state *to_state(struct v4l2_subdev *sd) static int adv7180_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) { - struct i2c_client *client = v4l2_get_subdevdata(sd); + return __adv7180_status(v4l2_get_subdevdata(sd), NULL, std); +} - *std = determine_norm(client); - return 0; +static int adv7180_g_input_status(struct v4l2_subdev *sd, u32 *status) +{ + return __adv7180_status(v4l2_get_subdevdata(sd), status, NULL); } static int adv7180_g_chip_ident(struct v4l2_subdev *sd, @@ -104,6 +145,7 @@ static int adv7180_g_chip_ident(struct v4l2_subdev *sd, static const struct v4l2_subdev_video_ops adv7180_video_ops = { .querystd = adv7180_querystd, + .g_input_status = adv7180_g_input_status, }; static const struct v4l2_subdev_core_ops adv7180_core_ops = { @@ -143,7 +185,7 @@ static int adv7180_probe(struct i2c_client *client, /* Initialize adv7180 */ /* enable autodetection */ ret = i2c_smbus_write_byte_data(client, ADV7180_INPUT_CONTROL_REG, - ADV7180_INPUT_CONTROL_PAL_BG_NTSC_J_SECAM); + ADV7180_INPUT_CONTROL_AD_PAL_BG_NTSC_J_SECAM); if (ret > 0) ret = i2c_smbus_write_byte_data(client, ADV7180_AUTODETECT_ENABLE_REG, |