[media] v4l: vsp1: Factorize frame size enumeration code

Most of the entities can't perform scaling and implement the same frame
size enumeration function. Factorize the code into a single
implementation.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --git a/drivers/media/platform/vsp1/vsp1_entity.c b/drivers/media/platform/vsp1/vsp1_entity.c
index 9e84826..3d070bc 100644 (file)
--- a/drivers/media/platform/vsp1/vsp1_entity.c
+++ b/drivers/media/platform/vsp1/vsp1_entity.c
@@ -187,6 +187,58 @@ int vsp1_subdev_enum_mbus_code(struct v4l2_subdev *subdev,
        return 0;
 }
 
+/*
+ * vsp1_subdev_enum_frame_size - Subdev pad enum_frame_size handler
+ * @subdev: V4L2 subdevice
+ * @cfg: V4L2 subdev pad configuration
+ * @fse: Frame size enumeration
+ * @min_width: Minimum image width
+ * @min_height: Minimum image height
+ * @max_width: Maximum image width
+ * @max_height: Maximum image height
+ *
+ * This function implements the subdev enum_frame_size pad operation for
+ * entities that do not support scaling or cropping. It reports the given
+ * minimum and maximum frame width and height on the sink pad, and a fixed
+ * source pad size identical to the sink pad.
+ */
+int vsp1_subdev_enum_frame_size(struct v4l2_subdev *subdev,
+                               struct v4l2_subdev_pad_config *cfg,
+                               struct v4l2_subdev_frame_size_enum *fse,
+                               unsigned int min_width, unsigned int min_height,
+                               unsigned int max_width, unsigned int max_height)
+{
+       struct vsp1_entity *entity = to_vsp1_entity(subdev);
+       struct v4l2_subdev_pad_config *config;
+       struct v4l2_mbus_framefmt *format;
+
+       config = vsp1_entity_get_pad_config(entity, cfg, fse->which);
+       if (!config)
+               return -EINVAL;
+
+       format = vsp1_entity_get_pad_format(entity, config, fse->pad);
+
+       if (fse->index || fse->code != format->code)
+               return -EINVAL;
+
+       if (fse->pad == 0) {
+               fse->min_width = min_width;
+               fse->max_width = max_width;
+               fse->min_height = min_height;
+               fse->max_height = 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;
+}
+
 /* -----------------------------------------------------------------------------
  * Media Operations
  */

diff --git a/drivers/media/platform/vsp1/vsp1_entity.h b/drivers/media/platform/vsp1/vsp1_entity.h
index ab7cc49..69eff4e 100644 (file)
--- a/drivers/media/platform/vsp1/vsp1_entity.h
+++ b/drivers/media/platform/vsp1/vsp1_entity.h
@@ -134,5 +134,10 @@ int vsp1_subdev_enum_mbus_code(struct v4l2_subdev *subdev,
                               struct v4l2_subdev_pad_config *cfg,
                               struct v4l2_subdev_mbus_code_enum *code,
                               const unsigned int *codes, unsigned int ncodes);
+int vsp1_subdev_enum_frame_size(struct v4l2_subdev *subdev,
+                               struct v4l2_subdev_pad_config *cfg,
+                               struct v4l2_subdev_frame_size_enum *fse,
+                               unsigned int min_w, unsigned int min_h,
+                               unsigned int max_w, unsigned int max_h);
 
 #endif /* __VSP1_ENTITY_H__ */

diff --git a/drivers/media/platform/vsp1/vsp1_hsit.c b/drivers/media/platform/vsp1/vsp1_hsit.c
index 7cf2add..68b8567 100644 (file)
--- a/drivers/media/platform/vsp1/vsp1_hsit.c
+++ b/drivers/media/platform/vsp1/vsp1_hsit.c
@@ -59,35 +59,9 @@ static int hsit_enum_frame_size(struct v4l2_subdev *subdev,
                                struct v4l2_subdev_pad_config *cfg,
                                struct v4l2_subdev_frame_size_enum *fse)
 {
-       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, fse->which);
-       if (!config)
-               return -EINVAL;
-
-       format = vsp1_entity_get_pad_format(&hsit->entity, config, fse->pad);
-
-       if (fse->index || fse->code != format->code)
-               return -EINVAL;
-
-       if (fse->pad == HSIT_PAD_SINK) {
-               fse->min_width = HSIT_MIN_SIZE;
-               fse->max_width = HSIT_MAX_SIZE;
-               fse->min_height = HSIT_MIN_SIZE;
-               fse->max_height = HSIT_MAX_SIZE;
-       } 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;
+       return vsp1_subdev_enum_frame_size(subdev, cfg, fse, HSIT_MIN_SIZE,
+                                          HSIT_MIN_SIZE, HSIT_MAX_SIZE,
+                                          HSIT_MAX_SIZE);
 }
 
 static int hsit_set_format(struct v4l2_subdev *subdev,

diff --git a/drivers/media/platform/vsp1/vsp1_lif.c b/drivers/media/platform/vsp1/vsp1_lif.c
index 59a8017..579e142 100644 (file)
--- a/drivers/media/platform/vsp1/vsp1_lif.c
+++ b/drivers/media/platform/vsp1/vsp1_lif.c
@@ -54,32 +54,9 @@ static int lif_enum_frame_size(struct v4l2_subdev *subdev,
                               struct v4l2_subdev_pad_config *cfg,
                               struct v4l2_subdev_frame_size_enum *fse)
 {
-       struct vsp1_lif *lif = to_lif(subdev);
-       struct v4l2_subdev_pad_config *config;
-       struct v4l2_mbus_framefmt *format;
-
-       config = vsp1_entity_get_pad_config(&lif->entity, cfg, fse->which);
-       if (!config)
-               return -EINVAL;
-
-       format = vsp1_entity_get_pad_format(&lif->entity, config, LIF_PAD_SINK);
-
-       if (fse->index || fse->code != format->code)
-               return -EINVAL;
-
-       if (fse->pad == LIF_PAD_SINK) {
-               fse->min_width = LIF_MIN_SIZE;
-               fse->max_width = LIF_MAX_SIZE;
-               fse->min_height = LIF_MIN_SIZE;
-               fse->max_height = LIF_MAX_SIZE;
-       } else {
-               fse->min_width = format->width;
-               fse->max_width = format->width;
-               fse->min_height = format->height;
-               fse->max_height = format->height;
-       }
-
-       return 0;
+       return vsp1_subdev_enum_frame_size(subdev, cfg, fse, LIF_MIN_SIZE,
+                                          LIF_MIN_SIZE, LIF_MAX_SIZE,
+                                          LIF_MAX_SIZE);
 }
 
 static int lif_set_format(struct v4l2_subdev *subdev,

diff --git a/drivers/media/platform/vsp1/vsp1_lut.c b/drivers/media/platform/vsp1/vsp1_lut.c
index 12a069a..c779648 100644 (file)
--- a/drivers/media/platform/vsp1/vsp1_lut.c
+++ b/drivers/media/platform/vsp1/vsp1_lut.c
@@ -80,35 +80,9 @@ static int lut_enum_frame_size(struct v4l2_subdev *subdev,
                               struct v4l2_subdev_pad_config *cfg,
                               struct v4l2_subdev_frame_size_enum *fse)
 {
-       struct vsp1_lut *lut = to_lut(subdev);
-       struct v4l2_subdev_pad_config *config;
-       struct v4l2_mbus_framefmt *format;
-
-       config = vsp1_entity_get_pad_config(&lut->entity, cfg, fse->which);
-       if (!config)
-               return -EINVAL;
-
-       format = vsp1_entity_get_pad_format(&lut->entity, config, fse->pad);
-
-       if (fse->index || fse->code != format->code)
-               return -EINVAL;
-
-       if (fse->pad == LUT_PAD_SINK) {
-               fse->min_width = LUT_MIN_SIZE;
-               fse->max_width = LUT_MAX_SIZE;
-               fse->min_height = LUT_MIN_SIZE;
-               fse->max_height = LUT_MAX_SIZE;
-       } 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;
+       return vsp1_subdev_enum_frame_size(subdev, cfg, fse, LUT_MIN_SIZE,
+                                          LUT_MIN_SIZE, LUT_MAX_SIZE,
+                                          LUT_MAX_SIZE);
 }
 
 static int lut_set_format(struct v4l2_subdev *subdev,

diff --git a/drivers/media/platform/vsp1/vsp1_rwpf.c b/drivers/media/platform/vsp1/vsp1_rwpf.c
index 64d649a..3b6e032 100644 (file)
--- a/drivers/media/platform/vsp1/vsp1_rwpf.c
+++ b/drivers/media/platform/vsp1/vsp1_rwpf.c
@@ -53,34 +53,10 @@ static int vsp1_rwpf_enum_frame_size(struct v4l2_subdev *subdev,
                                     struct v4l2_subdev_frame_size_enum *fse)
 {
        struct vsp1_rwpf *rwpf = to_rwpf(subdev);
-       struct v4l2_subdev_pad_config *config;
-       struct v4l2_mbus_framefmt *format;
-
-       config = vsp1_entity_get_pad_config(&rwpf->entity, cfg, fse->which);
-       if (!config)
-               return -EINVAL;
-
-       format = vsp1_entity_get_pad_format(&rwpf->entity, config, fse->pad);
 
-       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;
+       return vsp1_subdev_enum_frame_size(subdev, cfg, fse, RWPF_MIN_WIDTH,
+                                          RWPF_MIN_HEIGHT, rwpf->max_width,
+                                          rwpf->max_height);
 }
 
 static int vsp1_rwpf_set_format(struct v4l2_subdev *subdev,