diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/i2c/mt9v032.c | 48 |
1 files changed, 43 insertions, 5 deletions
diff --git a/drivers/media/i2c/mt9v032.c b/drivers/media/i2c/mt9v032.c index 2203a6f52e48..bf591b891a74 100644 --- a/drivers/media/i2c/mt9v032.c +++ b/drivers/media/i2c/mt9v032.c @@ -29,6 +29,8 @@ #define MT9V032_PIXEL_ARRAY_HEIGHT 492 #define MT9V032_PIXEL_ARRAY_WIDTH 782 +#define MT9V032_SYSCLK_FREQ_DEF 26600000 + #define MT9V032_CHIP_VERSION 0x00 #define MT9V032_CHIP_ID_REV1 0x1311 #define MT9V032_CHIP_ID_REV3 0x1313 @@ -122,13 +124,18 @@ struct mt9v032 { struct v4l2_mbus_framefmt format; struct v4l2_rect crop; - struct v4l2_ctrl *pixel_rate; struct v4l2_ctrl_handler ctrls; + struct { + struct v4l2_ctrl *link_freq; + struct v4l2_ctrl *pixel_rate; + }; struct mutex power_lock; int power_count; struct mt9v032_platform_data *pdata; + + u32 sysclk; u16 chip_control; u16 aec_agc; }; @@ -196,7 +203,7 @@ static int mt9v032_power_on(struct mt9v032 *mt9v032) int ret; if (mt9v032->pdata->set_clock) { - mt9v032->pdata->set_clock(&mt9v032->subdev, EXT_CLK); + mt9v032->pdata->set_clock(&mt9v032->subdev, mt9v032->sysclk); udelay(1); } @@ -374,7 +381,8 @@ static void mt9v032_configure_pixel_rate(struct mt9v032 *mt9v032, struct i2c_client *client = v4l2_get_subdevdata(&mt9v032->subdev); int ret; - ret = v4l2_ctrl_s_ctrl_int64(mt9v032->pixel_rate, EXT_CLK / hratio); + ret = v4l2_ctrl_s_ctrl_int64(mt9v032->pixel_rate, + mt9v032->sysclk / hratio); if (ret < 0) dev_warn(&client->dev, "failed to set pixel rate (%d)\n", ret); } @@ -487,6 +495,7 @@ static int mt9v032_s_ctrl(struct v4l2_ctrl *ctrl) struct mt9v032 *mt9v032 = container_of(ctrl->handler, struct mt9v032, ctrls); struct i2c_client *client = v4l2_get_subdevdata(&mt9v032->subdev); + u32 freq; u16 data; switch (ctrl->id) { @@ -505,6 +514,16 @@ static int mt9v032_s_ctrl(struct v4l2_ctrl *ctrl) return mt9v032_write(client, MT9V032_TOTAL_SHUTTER_WIDTH, ctrl->val); + case V4L2_CID_PIXEL_RATE: + case V4L2_CID_LINK_FREQ: + if (mt9v032->link_freq == NULL) + break; + + freq = mt9v032->pdata->link_freqs[mt9v032->link_freq->val]; + mt9v032->pixel_rate->val64 = freq; + mt9v032->sysclk = freq; + break; + case V4L2_CID_TEST_PATTERN: switch (ctrl->val) { case 0: @@ -683,6 +702,7 @@ static const struct v4l2_subdev_internal_ops mt9v032_subdev_internal_ops = { static int mt9v032_probe(struct i2c_client *client, const struct i2c_device_id *did) { + struct mt9v032_platform_data *pdata = client->dev.platform_data; struct mt9v032 *mt9v032; unsigned int i; int ret; @@ -699,9 +719,9 @@ static int mt9v032_probe(struct i2c_client *client, return -ENOMEM; mutex_init(&mt9v032->power_lock); - mt9v032->pdata = client->dev.platform_data; + mt9v032->pdata = pdata; - v4l2_ctrl_handler_init(&mt9v032->ctrls, ARRAY_SIZE(mt9v032_ctrls) + 5); + v4l2_ctrl_handler_init(&mt9v032->ctrls, ARRAY_SIZE(mt9v032_ctrls) + 6); v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops, V4L2_CID_AUTOGAIN, 0, 1, 1, 1); @@ -715,10 +735,27 @@ static int mt9v032_probe(struct i2c_client *client, V4L2_CID_EXPOSURE, MT9V032_TOTAL_SHUTTER_WIDTH_MIN, MT9V032_TOTAL_SHUTTER_WIDTH_MAX, 1, MT9V032_TOTAL_SHUTTER_WIDTH_DEF); + mt9v032->pixel_rate = v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops, V4L2_CID_PIXEL_RATE, 0, 0, 1, 0); + if (pdata && pdata->link_freqs) { + unsigned int def = 0; + + for (i = 0; pdata->link_freqs[i]; ++i) { + if (pdata->link_freqs[i] == pdata->link_def_freq) + def = i; + } + + mt9v032->link_freq = + v4l2_ctrl_new_int_menu(&mt9v032->ctrls, + &mt9v032_ctrl_ops, + V4L2_CID_LINK_FREQ, i - 1, def, + pdata->link_freqs); + v4l2_ctrl_cluster(2, &mt9v032->link_freq); + } + for (i = 0; i < ARRAY_SIZE(mt9v032_ctrls); ++i) v4l2_ctrl_new_custom(&mt9v032->ctrls, &mt9v032_ctrls[i], NULL); @@ -740,6 +777,7 @@ static int mt9v032_probe(struct i2c_client *client, mt9v032->format.colorspace = V4L2_COLORSPACE_SRGB; mt9v032->aec_agc = MT9V032_AEC_ENABLE | MT9V032_AGC_ENABLE; + mt9v032->sysclk = MT9V032_SYSCLK_FREQ_DEF; v4l2_i2c_subdev_init(&mt9v032->subdev, client, &mt9v032_subdev_ops); mt9v032->subdev.internal_ops = &mt9v032_subdev_internal_ops; |