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media: i2c: imx219: Implement get_selection

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Implement the get_selection pad operation for the IMX219 sensor driver.
The supported targets report the sensor's native size, the crop default
rectangle and the crop rectangle.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Jacopo Mondi 2020-04-29 11:50:38 +02:00 committed by Mauro Carvalho Chehab
parent 35dd70b4c4
commit e6d4ef7d58
1 changed files with 94 additions and 0 deletions
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94
drivers/media/i2c/imx219.c
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@ -112,6 +112,14 @@
#define IMX219_TESTP_BLUE_DEFAULT 0
#define IMX219_TESTP_GREENB_DEFAULT 0
/* IMX219 native and active pixel array size. */
#define IMX219_NATIVE_WIDTH 3296U
#define IMX219_NATIVE_HEIGHT 2480U
#define IMX219_PIXEL_ARRAY_LEFT 8U
#define IMX219_PIXEL_ARRAY_TOP 8U
#define IMX219_PIXEL_ARRAY_WIDTH 3280U
#define IMX219_PIXEL_ARRAY_HEIGHT 2464U
struct imx219_reg {
u16 address;
u8 val;
@ -129,6 +137,9 @@ struct imx219_mode {
/* Frame height */
unsigned int height;
/* Analog crop rectangle. */
struct v4l2_rect crop;
/* V-timing */
unsigned int vts_def;
@ -463,6 +474,12 @@ static const struct imx219_mode supported_modes[] = {
/* 8MPix 15fps mode */
.width = 3280,
.height = 2464,
.crop = {
.left = 0,
.top = 0,
.width = 3280,
.height = 2464
},
.vts_def = IMX219_VTS_15FPS,
.reg_list = {
.num_of_regs = ARRAY_SIZE(mode_3280x2464_regs),
@ -473,6 +490,12 @@ static const struct imx219_mode supported_modes[] = {
/* 1080P 30fps cropped */
.width = 1920,
.height = 1080,
.crop = {
.left = 680,
.top = 692,
.width = 1920,
.height = 1080
},
.vts_def = IMX219_VTS_30FPS_1080P,
.reg_list = {
.num_of_regs = ARRAY_SIZE(mode_1920_1080_regs),
@ -483,6 +506,12 @@ static const struct imx219_mode supported_modes[] = {
/* 2x2 binned 30fps mode */
.width = 1640,
.height = 1232,
.crop = {
.left = 0,
.top = 0,
.width = 3280,
.height = 2464
},
.vts_def = IMX219_VTS_30FPS_BINNED,
.reg_list = {
.num_of_regs = ARRAY_SIZE(mode_1640_1232_regs),
@ -493,6 +522,12 @@ static const struct imx219_mode supported_modes[] = {
/* 640x480 30fps mode */
.width = 640,
.height = 480,
.crop = {
.left = 1000,
.top = 752,
.width = 1280,
.height = 960
},
.vts_def = IMX219_VTS_30FPS_640x480,
.reg_list = {
.num_of_regs = ARRAY_SIZE(mode_640_480_regs),
@ -654,6 +689,7 @@ static int imx219_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
struct imx219 *imx219 = to_imx219(sd);
struct v4l2_mbus_framefmt *try_fmt =
v4l2_subdev_get_try_format(sd, fh->pad, 0);
struct v4l2_rect *try_crop;
mutex_lock(&imx219->mutex);
@ -664,6 +700,13 @@ static int imx219_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
MEDIA_BUS_FMT_SRGGB10_1X10);
try_fmt->field = V4L2_FIELD_NONE;
/* Initialize try_crop rectangle. */
try_crop = v4l2_subdev_get_try_crop(sd, fh->pad, 0);
try_crop->top = IMX219_PIXEL_ARRAY_TOP;
try_crop->left = IMX219_PIXEL_ARRAY_LEFT;
try_crop->width = IMX219_PIXEL_ARRAY_WIDTH;
try_crop->height = IMX219_PIXEL_ARRAY_HEIGHT;
mutex_unlock(&imx219->mutex);
return 0;
@ -928,6 +971,56 @@ static int imx219_set_framefmt(struct imx219 *imx219)
return -EINVAL;
}
static const struct v4l2_rect *
__imx219_get_pad_crop(struct imx219 *imx219, struct v4l2_subdev_pad_config *cfg,
unsigned int pad, enum v4l2_subdev_format_whence which)
{
switch (which) {
case V4L2_SUBDEV_FORMAT_TRY:
return v4l2_subdev_get_try_crop(&imx219->sd, cfg, pad);
case V4L2_SUBDEV_FORMAT_ACTIVE:
return &imx219->mode->crop;
}
return NULL;
}
static int imx219_get_selection(struct v4l2_subdev *sd,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_selection *sel)
{
switch (sel->target) {
case V4L2_SEL_TGT_CROP: {
struct imx219 *imx219 = to_imx219(sd);
mutex_lock(&imx219->mutex);
sel->r = *__imx219_get_pad_crop(imx219, cfg, sel->pad,
sel->which);
mutex_unlock(&imx219->mutex);
return 0;
}
case V4L2_SEL_TGT_NATIVE_SIZE:
sel->r.top = 0;
sel->r.left = 0;
sel->r.width = IMX219_NATIVE_WIDTH;
sel->r.height = IMX219_NATIVE_HEIGHT;
return 0;
case V4L2_SEL_TGT_CROP_DEFAULT:
sel->r.top = IMX219_PIXEL_ARRAY_TOP;
sel->r.left = IMX219_PIXEL_ARRAY_LEFT;
sel->r.width = IMX219_PIXEL_ARRAY_WIDTH;
sel->r.height = IMX219_PIXEL_ARRAY_HEIGHT;
return 0;
}
return -EINVAL;
}
static int imx219_start_streaming(struct imx219 *imx219)
{
struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd);
@ -1152,6 +1245,7 @@ static const struct v4l2_subdev_pad_ops imx219_pad_ops = {
.enum_mbus_code = imx219_enum_mbus_code,
.get_fmt = imx219_get_pad_format,
.set_fmt = imx219_set_pad_format,
.get_selection = imx219_get_selection,
.enum_frame_size = imx219_enum_frame_size,
};