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path: root/drivers/media/platform/vsp1/vsp1_rwpf.c
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Diffstat (limited to 'drivers/media/platform/vsp1/vsp1_rwpf.c')
-rw-r--r--drivers/media/platform/vsp1/vsp1_rwpf.c171
1 files changed, 97 insertions, 74 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_rwpf.c b/drivers/media/platform/vsp1/vsp1_rwpf.c
index 9688c219b30e..3b6e032e7806 100644
--- a/drivers/media/platform/vsp1/vsp1_rwpf.c
+++ b/drivers/media/platform/vsp1/vsp1_rwpf.c
@@ -20,13 +20,20 @@
#define RWPF_MIN_WIDTH 1
#define RWPF_MIN_HEIGHT 1
+struct v4l2_rect *vsp1_rwpf_get_crop(struct vsp1_rwpf *rwpf,
+ struct v4l2_subdev_pad_config *config)
+{
+ return v4l2_subdev_get_try_crop(&rwpf->entity.subdev, config,
+ RWPF_PAD_SINK);
+}
+
/* -----------------------------------------------------------------------------
* V4L2 Subdevice Pad Operations
*/
-int vsp1_rwpf_enum_mbus_code(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_mbus_code_enum *code)
+static int vsp1_rwpf_enum_mbus_code(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_mbus_code_enum *code)
{
static const unsigned int codes[] = {
MEDIA_BUS_FMT_ARGB8888_1X32,
@@ -41,75 +48,36 @@ int vsp1_rwpf_enum_mbus_code(struct v4l2_subdev *subdev,
return 0;
}
-int vsp1_rwpf_enum_frame_size(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_frame_size_enum *fse)
-{
- struct vsp1_rwpf *rwpf = to_rwpf(subdev);
- struct v4l2_mbus_framefmt *format;
-
- format = vsp1_entity_get_pad_format(&rwpf->entity, cfg, fse->pad,
- fse->which);
-
- if (fse->index || fse->code != format->code)
- return -EINVAL;
-
- if (fse->pad == RWPF_PAD_SINK) {
- fse->min_width = RWPF_MIN_WIDTH;
- fse->max_width = rwpf->max_width;
- fse->min_height = RWPF_MIN_HEIGHT;
- fse->max_height = rwpf->max_height;
- } else {
- /* The size on the source pad are fixed and always identical to
- * the size on the sink pad.
- */
- fse->min_width = format->width;
- fse->max_width = format->width;
- fse->min_height = format->height;
- fse->max_height = format->height;
- }
-
- return 0;
-}
-
-static struct v4l2_rect *
-vsp1_rwpf_get_crop(struct vsp1_rwpf *rwpf, struct v4l2_subdev_pad_config *cfg, u32 which)
-{
- switch (which) {
- case V4L2_SUBDEV_FORMAT_TRY:
- return v4l2_subdev_get_try_crop(&rwpf->entity.subdev, cfg, RWPF_PAD_SINK);
- case V4L2_SUBDEV_FORMAT_ACTIVE:
- return &rwpf->crop;
- default:
- return NULL;
- }
-}
-
-int vsp1_rwpf_get_format(struct v4l2_subdev *subdev, struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *fmt)
+static int vsp1_rwpf_enum_frame_size(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_frame_size_enum *fse)
{
struct vsp1_rwpf *rwpf = to_rwpf(subdev);
- fmt->format = *vsp1_entity_get_pad_format(&rwpf->entity, cfg, fmt->pad,
- fmt->which);
-
- return 0;
+ return vsp1_subdev_enum_frame_size(subdev, cfg, fse, RWPF_MIN_WIDTH,
+ RWPF_MIN_HEIGHT, rwpf->max_width,
+ rwpf->max_height);
}
-int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *fmt)
+static int vsp1_rwpf_set_format(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_format *fmt)
{
struct vsp1_rwpf *rwpf = to_rwpf(subdev);
+ struct v4l2_subdev_pad_config *config;
struct v4l2_mbus_framefmt *format;
struct v4l2_rect *crop;
+ config = vsp1_entity_get_pad_config(&rwpf->entity, cfg, fmt->which);
+ if (!config)
+ return -EINVAL;
+
/* Default to YUV if the requested format is not supported. */
if (fmt->format.code != MEDIA_BUS_FMT_ARGB8888_1X32 &&
fmt->format.code != MEDIA_BUS_FMT_AYUV8_1X32)
fmt->format.code = MEDIA_BUS_FMT_AYUV8_1X32;
- format = vsp1_entity_get_pad_format(&rwpf->entity, cfg, fmt->pad,
- fmt->which);
+ format = vsp1_entity_get_pad_format(&rwpf->entity, config, fmt->pad);
if (fmt->pad == RWPF_PAD_SOURCE) {
/* The RWPF performs format conversion but can't scale, only the
@@ -131,39 +99,44 @@ int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_pad_conf
fmt->format = *format;
/* Update the sink crop rectangle. */
- crop = vsp1_rwpf_get_crop(rwpf, cfg, fmt->which);
+ crop = vsp1_rwpf_get_crop(rwpf, config);
crop->left = 0;
crop->top = 0;
crop->width = fmt->format.width;
crop->height = fmt->format.height;
/* Propagate the format to the source pad. */
- format = vsp1_entity_get_pad_format(&rwpf->entity, cfg, RWPF_PAD_SOURCE,
- fmt->which);
+ format = vsp1_entity_get_pad_format(&rwpf->entity, config,
+ RWPF_PAD_SOURCE);
*format = fmt->format;
return 0;
}
-int vsp1_rwpf_get_selection(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_selection *sel)
+static int vsp1_rwpf_get_selection(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_selection *sel)
{
struct vsp1_rwpf *rwpf = to_rwpf(subdev);
+ struct v4l2_subdev_pad_config *config;
struct v4l2_mbus_framefmt *format;
/* Cropping is implemented on the sink pad. */
if (sel->pad != RWPF_PAD_SINK)
return -EINVAL;
+ config = vsp1_entity_get_pad_config(&rwpf->entity, cfg, sel->which);
+ if (!config)
+ return -EINVAL;
+
switch (sel->target) {
case V4L2_SEL_TGT_CROP:
- sel->r = *vsp1_rwpf_get_crop(rwpf, cfg, sel->which);
+ sel->r = *vsp1_rwpf_get_crop(rwpf, config);
break;
case V4L2_SEL_TGT_CROP_BOUNDS:
- format = vsp1_entity_get_pad_format(&rwpf->entity, cfg,
- RWPF_PAD_SINK, sel->which);
+ format = vsp1_entity_get_pad_format(&rwpf->entity, config,
+ RWPF_PAD_SINK);
sel->r.left = 0;
sel->r.top = 0;
sel->r.width = format->width;
@@ -177,11 +150,12 @@ int vsp1_rwpf_get_selection(struct v4l2_subdev *subdev,
return 0;
}
-int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_selection *sel)
+static int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_selection *sel)
{
struct vsp1_rwpf *rwpf = to_rwpf(subdev);
+ struct v4l2_subdev_pad_config *config;
struct v4l2_mbus_framefmt *format;
struct v4l2_rect *crop;
@@ -192,11 +166,15 @@ int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev,
if (sel->target != V4L2_SEL_TGT_CROP)
return -EINVAL;
+ config = vsp1_entity_get_pad_config(&rwpf->entity, cfg, sel->which);
+ if (!config)
+ return -EINVAL;
+
/* Make sure the crop rectangle is entirely contained in the image. The
* WPF top and left offsets are limited to 255.
*/
- format = vsp1_entity_get_pad_format(&rwpf->entity, cfg, RWPF_PAD_SINK,
- sel->which);
+ format = vsp1_entity_get_pad_format(&rwpf->entity, config,
+ RWPF_PAD_SINK);
/* Restrict the crop rectangle coordinates to multiples of 2 to avoid
* shifting the color plane.
@@ -219,14 +197,59 @@ int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev,
sel->r.height = min_t(unsigned int, sel->r.height,
format->height - sel->r.top);
- crop = vsp1_rwpf_get_crop(rwpf, cfg, sel->which);
+ crop = vsp1_rwpf_get_crop(rwpf, config);
*crop = sel->r;
/* Propagate the format to the source pad. */
- format = vsp1_entity_get_pad_format(&rwpf->entity, cfg, RWPF_PAD_SOURCE,
- sel->which);
+ format = vsp1_entity_get_pad_format(&rwpf->entity, config,
+ RWPF_PAD_SOURCE);
format->width = crop->width;
format->height = crop->height;
return 0;
}
+
+const struct v4l2_subdev_pad_ops vsp1_rwpf_pad_ops = {
+ .init_cfg = vsp1_entity_init_cfg,
+ .enum_mbus_code = vsp1_rwpf_enum_mbus_code,
+ .enum_frame_size = vsp1_rwpf_enum_frame_size,
+ .get_fmt = vsp1_subdev_get_pad_format,
+ .set_fmt = vsp1_rwpf_set_format,
+ .get_selection = vsp1_rwpf_get_selection,
+ .set_selection = vsp1_rwpf_set_selection,
+};
+
+/* -----------------------------------------------------------------------------
+ * Controls
+ */
+
+static int vsp1_rwpf_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct vsp1_rwpf *rwpf =
+ container_of(ctrl->handler, struct vsp1_rwpf, ctrls);
+
+ switch (ctrl->id) {
+ case V4L2_CID_ALPHA_COMPONENT:
+ rwpf->alpha = ctrl->val;
+ break;
+ }
+
+ return 0;
+}
+
+static const struct v4l2_ctrl_ops vsp1_rwpf_ctrl_ops = {
+ .s_ctrl = vsp1_rwpf_s_ctrl,
+};
+
+int vsp1_rwpf_init_ctrls(struct vsp1_rwpf *rwpf)
+{
+ rwpf->alpha = 255;
+
+ v4l2_ctrl_handler_init(&rwpf->ctrls, 1);
+ v4l2_ctrl_new_std(&rwpf->ctrls, &vsp1_rwpf_ctrl_ops,
+ V4L2_CID_ALPHA_COMPONENT, 0, 255, 1, 255);
+
+ rwpf->entity.subdev.ctrl_handler = &rwpf->ctrls;
+
+ return rwpf->ctrls.error;
+}