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media: i2c: imx335: Implement get selection API

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Support reporting of the Sensor Native and Active pixel array areas
through the Selection API.

The implementation reports a single target crop only for the mode that
is presently exposed by the driver.

Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Kieran Bingham 2023-12-11 18:29:47 +05:30 committed by Hans Verkuil
parent fea91ee73b
commit 252b2caaf2
1 changed files with 45 additions and 0 deletions
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45
drivers/media/i2c/imx335.c
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@ -55,6 +55,14 @@
#define IMX335_REG_MIN 0x00
#define IMX335_REG_MAX 0xfffff
/* IMX335 native and active pixel array size. */
#define IMX335_NATIVE_WIDTH 2616U
#define IMX335_NATIVE_HEIGHT 1964U
#define IMX335_PIXEL_ARRAY_LEFT 12U
#define IMX335_PIXEL_ARRAY_TOP 12U
#define IMX335_PIXEL_ARRAY_WIDTH 2592U
#define IMX335_PIXEL_ARRAY_HEIGHT 1944U
/**
* struct imx335_reg - imx335 sensor register
* @address: Register address
@ -645,6 +653,41 @@ static int imx335_init_state(struct v4l2_subdev *sd,
return imx335_set_pad_format(sd, sd_state, &fmt);
}
/**
* imx335_get_selection() - Selection API
* @sd: pointer to imx335 V4L2 sub-device structure
* @sd_state: V4L2 sub-device configuration
* @sel: V4L2 selection info
*
* Return: 0 if successful, error code otherwise.
*/
static int imx335_get_selection(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_selection *sel)
{
switch (sel->target) {
case V4L2_SEL_TGT_NATIVE_SIZE:
sel->r.top = 0;
sel->r.left = 0;
sel->r.width = IMX335_NATIVE_WIDTH;
sel->r.height = IMX335_NATIVE_HEIGHT;
return 0;
case V4L2_SEL_TGT_CROP:
case V4L2_SEL_TGT_CROP_DEFAULT:
case V4L2_SEL_TGT_CROP_BOUNDS:
sel->r.top = IMX335_PIXEL_ARRAY_TOP;
sel->r.left = IMX335_PIXEL_ARRAY_LEFT;
sel->r.width = IMX335_PIXEL_ARRAY_WIDTH;
sel->r.height = IMX335_PIXEL_ARRAY_HEIGHT;
return 0;
}
return -EINVAL;
}
/**
* imx335_start_streaming() - Start sensor stream
* @imx335: pointer to imx335 device
@ -861,6 +904,8 @@ static const struct v4l2_subdev_video_ops imx335_video_ops = {
static const struct v4l2_subdev_pad_ops imx335_pad_ops = {
.enum_mbus_code = imx335_enum_mbus_code,
.enum_frame_size = imx335_enum_frame_size,
.get_selection = imx335_get_selection,
.set_selection = imx335_get_selection,
.get_fmt = imx335_get_pad_format,
.set_fmt = imx335_set_pad_format,
};