static int hsit_get_format(struct v4l2_subdev *subdev,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_format *fmt)
{
struct vsp1_hsit *hsit = to_hsit(subdev);
fmt->format = *vsp1_entity_get_pad_format(&hsit->entity, cfg, fmt->pad,
fmt->which);
return 0;
}
static void hsit_configure(struct vsp1_entity *entity,
struct vsp1_pipeline *pipe,
struct vsp1_dl_list *dl, bool full)
{
struct vsp1_hsit *hsit = to_hsit(&entity->subdev);
if (!full)
return;
if (hsit->inverse)
vsp1_hsit_write(hsit, dl, VI6_HSI_CTRL, VI6_HSI_CTRL_EN);
else
vsp1_hsit_write(hsit, dl, VI6_HST_CTRL, VI6_HST_CTRL_EN);
}
static int hsit_s_stream(struct v4l2_subdev *subdev, int enable)
{
struct vsp1_hsit *hsit = to_hsit(subdev);
if (!enable)
return 0;
if (hsit->inverse)
vsp1_hsit_write(hsit, VI6_HSI_CTRL, VI6_HSI_CTRL_EN);
else
vsp1_hsit_write(hsit, VI6_HST_CTRL, VI6_HST_CTRL_EN);
return 0;
}
static int hsit_enum_mbus_code(struct v4l2_subdev *subdev,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_mbus_code_enum *code)
{
struct vsp1_hsit *hsit = to_hsit(subdev);
if (code->index > 0)
return -EINVAL;
if ((code->pad == HSIT_PAD_SINK && !hsit->inverse) |
(code->pad == HSIT_PAD_SOURCE && hsit->inverse))
code->code = MEDIA_BUS_FMT_ARGB8888_1X32;
else
code->code = MEDIA_BUS_FMT_AHSV8888_1X32;
return 0;
}
static int hsit_set_format(struct v4l2_subdev *subdev,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_format *fmt)
{
struct vsp1_hsit *hsit = to_hsit(subdev);
struct v4l2_subdev_pad_config *config;
struct v4l2_mbus_framefmt *format;
config = vsp1_entity_get_pad_config(&hsit->entity, cfg, fmt->which);
if (!config)
return -EINVAL;
format = vsp1_entity_get_pad_format(&hsit->entity, config, fmt->pad);
if (fmt->pad == HSIT_PAD_SOURCE) {
/* The HST and HSI output format code and resolution can't be
* modified.
*/
fmt->format = *format;
return 0;
}
format->code = hsit->inverse ? MEDIA_BUS_FMT_AHSV8888_1X32
: MEDIA_BUS_FMT_ARGB8888_1X32;
format->width = clamp_t(unsigned int, fmt->format.width,
HSIT_MIN_SIZE, HSIT_MAX_SIZE);
format->height = clamp_t(unsigned int, fmt->format.height,
HSIT_MIN_SIZE, HSIT_MAX_SIZE);
format->field = V4L2_FIELD_NONE;
format->colorspace = V4L2_COLORSPACE_SRGB;
fmt->format = *format;
/* Propagate the format to the source pad. */
format = vsp1_entity_get_pad_format(&hsit->entity, config,
HSIT_PAD_SOURCE);
*format = fmt->format;
format->code = hsit->inverse ? MEDIA_BUS_FMT_ARGB8888_1X32
: MEDIA_BUS_FMT_AHSV8888_1X32;
return 0;
}