diff options
Diffstat (limited to 'linux/drivers/media/video/gspca/m5602/m5602_mt9m111.c')
-rw-r--r-- | linux/drivers/media/video/gspca/m5602/m5602_mt9m111.c | 144 |
1 files changed, 111 insertions, 33 deletions
diff --git a/linux/drivers/media/video/gspca/m5602/m5602_mt9m111.c b/linux/drivers/media/video/gspca/m5602/m5602_mt9m111.c index 7d3f9e348..37a7fc82a 100644 --- a/linux/drivers/media/video/gspca/m5602/m5602_mt9m111.c +++ b/linux/drivers/media/video/gspca/m5602/m5602_mt9m111.c @@ -18,6 +18,18 @@ #include "m5602_mt9m111.h" +static int mt9m111_set_vflip(struct gspca_dev *gspca_dev, __s32 val); +static int mt9m111_get_vflip(struct gspca_dev *gspca_dev, __s32 *val); +static int mt9m111_get_hflip(struct gspca_dev *gspca_dev, __s32 *val); +static int mt9m111_set_hflip(struct gspca_dev *gspca_dev, __s32 val); +static int mt9m111_get_gain(struct gspca_dev *gspca_dev, __s32 *val); +static int mt9m111_set_gain(struct gspca_dev *gspca_dev, __s32 val); +static int mt9m111_set_auto_white_balance(struct gspca_dev *gspca_dev, + __s32 val); +static int mt9m111_get_auto_white_balance(struct gspca_dev *gspca_dev, + __s32 *val); + + static struct v4l2_pix_format mt9m111_modes[] = { { 640, @@ -32,6 +44,7 @@ static struct v4l2_pix_format mt9m111_modes[] = { }; const static struct ctrl mt9m111_ctrls[] = { +#define VFLIP_IDX 0 { { .id = V4L2_CID_VFLIP, @@ -44,7 +57,9 @@ const static struct ctrl mt9m111_ctrls[] = { }, .set = mt9m111_set_vflip, .get = mt9m111_get_vflip - }, { + }, +#define HFLIP_IDX 1 + { { .id = V4L2_CID_HFLIP, .type = V4L2_CTRL_TYPE_BOOLEAN, @@ -56,7 +71,9 @@ const static struct ctrl mt9m111_ctrls[] = { }, .set = mt9m111_set_hflip, .get = mt9m111_get_hflip - }, { + }, +#define GAIN_IDX 2 + { { .id = V4L2_CID_GAIN, .type = V4L2_CTRL_TYPE_INTEGER, @@ -69,16 +86,30 @@ const static struct ctrl mt9m111_ctrls[] = { }, .set = mt9m111_set_gain, .get = mt9m111_get_gain + }, +#define AUTO_WHITE_BALANCE_IDX 3 + { + { + .id = V4L2_CID_AUTO_WHITE_BALANCE, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "auto white balance", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0, + }, + .set = mt9m111_set_auto_white_balance, + .get = mt9m111_get_auto_white_balance } }; - static void mt9m111_dump_registers(struct sd *sd); int mt9m111_probe(struct sd *sd) { u8 data[2] = {0x00, 0x00}; int i; + s32 *sensor_settings; if (force_sensor) { if (force_sensor == MT9M111_SENSOR) { @@ -117,16 +148,27 @@ int mt9m111_probe(struct sd *sd) return -ENODEV; sensor_found: + sensor_settings = kmalloc(ARRAY_SIZE(mt9m111_ctrls) * sizeof(s32), + GFP_KERNEL); + if (!sensor_settings) + return -ENOMEM; + sd->gspca_dev.cam.cam_mode = mt9m111_modes; sd->gspca_dev.cam.nmodes = ARRAY_SIZE(mt9m111_modes); sd->desc->ctrls = mt9m111_ctrls; sd->desc->nctrls = ARRAY_SIZE(mt9m111_ctrls); + + for (i = 0; i < ARRAY_SIZE(mt9m111_ctrls); i++) + sensor_settings[i] = mt9m111_ctrls[i].qctrl.default_value; + sd->sensor_priv = sensor_settings; + return 0; } int mt9m111_init(struct sd *sd) { int i, err = 0; + s32 *sensor_settings = sd->sensor_priv; /* Init the sensor */ for (i = 0; i < ARRAY_SIZE(init_mt9m111) && !err; i++) { @@ -147,36 +189,47 @@ int mt9m111_init(struct sd *sd) if (dump_sensor) mt9m111_dump_registers(sd); - return (err < 0) ? err : 0; + err = mt9m111_set_vflip(&sd->gspca_dev, sensor_settings[VFLIP_IDX]); + if (err < 0) + return err; + + err = mt9m111_set_hflip(&sd->gspca_dev, sensor_settings[HFLIP_IDX]); + if (err < 0) + return err; + + err = mt9m111_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]); + + return err; } -int mt9m111_power_down(struct sd *sd) +void mt9m111_disconnect(struct sd *sd) { - return 0; + sd->sensor = NULL; + kfree(sd->sensor_priv); } -int mt9m111_get_vflip(struct gspca_dev *gspca_dev, __s32 *val) +static int mt9m111_get_vflip(struct gspca_dev *gspca_dev, __s32 *val) { - int err; - u8 data[2] = {0x00, 0x00}; struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; - err = m5602_read_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B, - data, 2); - *val = data[0] & MT9M111_RMB_MIRROR_ROWS; + *val = sensor_settings[VFLIP_IDX]; PDEBUG(D_V4L2, "Read vertical flip %d", *val); - return err; + return 0; } -int mt9m111_set_vflip(struct gspca_dev *gspca_dev, __s32 val) +static int mt9m111_set_vflip(struct gspca_dev *gspca_dev, __s32 val) { int err; u8 data[2] = {0x00, 0x00}; struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; PDEBUG(D_V4L2, "Set vertical flip to %d", val); + sensor_settings[VFLIP_IDX] = val; + /* Set the correct page map */ err = m5602_write_sensor(sd, MT9M111_PAGE_MAP, data, 2); if (err < 0) @@ -192,28 +245,27 @@ int mt9m111_set_vflip(struct gspca_dev *gspca_dev, __s32 val) return err; } -int mt9m111_get_hflip(struct gspca_dev *gspca_dev, __s32 *val) +static int mt9m111_get_hflip(struct gspca_dev *gspca_dev, __s32 *val) { - int err; - u8 data[2] = {0x00, 0x00}; struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; - err = m5602_read_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B, - data, 2); - *val = data[0] & MT9M111_RMB_MIRROR_COLS; + *val = sensor_settings[HFLIP_IDX]; PDEBUG(D_V4L2, "Read horizontal flip %d", *val); - return err; + return 0; } -int mt9m111_set_hflip(struct gspca_dev *gspca_dev, __s32 val) +static int mt9m111_set_hflip(struct gspca_dev *gspca_dev, __s32 val) { int err; u8 data[2] = {0x00, 0x00}; struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; PDEBUG(D_V4L2, "Set horizontal flip to %d", val); + sensor_settings[HFLIP_IDX] = val; /* Set the correct page map */ err = m5602_write_sensor(sd, MT9M111_PAGE_MAP, data, 2); if (err < 0) @@ -229,30 +281,56 @@ int mt9m111_set_hflip(struct gspca_dev *gspca_dev, __s32 val) return err; } -int mt9m111_get_gain(struct gspca_dev *gspca_dev, __s32 *val) +static int mt9m111_get_gain(struct gspca_dev *gspca_dev, __s32 *val) { - int err, tmp; - u8 data[2] = {0x00, 0x00}; struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; - err = m5602_read_sensor(sd, MT9M111_SC_GLOBAL_GAIN, data, 2); - tmp = ((data[1] << 8) | data[0]); + *val = sensor_settings[GAIN_IDX]; + PDEBUG(D_V4L2, "Read gain %d", *val); - *val = ((tmp & (1 << 10)) * 2) | - ((tmp & (1 << 9)) * 2) | - ((tmp & (1 << 8)) * 2) | - (tmp & 0x7f); + return 0; +} - PDEBUG(D_V4L2, "Read gain %d", *val); +static int mt9m111_set_auto_white_balance(struct gspca_dev *gspca_dev, + __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + int err; + u8 data[2]; + + err = m5602_read_sensor(sd, MT9M111_CP_OPERATING_MODE_CTL, data, 2); + if (err < 0) + return err; + + sensor_settings[AUTO_WHITE_BALANCE_IDX] = val & 0x01; + data[0] = ((data[0] & 0xfd) | ((val & 0x01) << 1)); + + err = m5602_write_sensor(sd, MT9M111_CP_OPERATING_MODE_CTL, data, 2); + PDEBUG(D_V4L2, "Set auto white balance %d", val); return err; } -int mt9m111_set_gain(struct gspca_dev *gspca_dev, __s32 val) +static int mt9m111_get_auto_white_balance(struct gspca_dev *gspca_dev, + __s32 *val) { + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + + *val = sensor_settings[AUTO_WHITE_BALANCE_IDX]; + PDEBUG(D_V4L2, "Read auto white balance %d", *val); + return 0; +} + +static int mt9m111_set_gain(struct gspca_dev *gspca_dev, __s32 val) { int err, tmp; u8 data[2] = {0x00, 0x00}; struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + + sensor_settings[GAIN_IDX] = val; /* Set the correct page map */ err = m5602_write_sensor(sd, MT9M111_PAGE_MAP, data, 2); |