[media] v4l: s5p-tv: mixer: add support for selection API

This patch add support for V4L2 selection API to s5p-tv driver.  Moreover it
removes old API for cropping.  Old applications would still work because the
crop ioctls are emulated using the selection API.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 13 insertions, 1 deletions

diff --git a/drivers/media/video/s5p-tv/mixer.h b/drivers/media/video/s5p-tv/mixer.h
index 51ad59b30358..1597078c4a50 100644
--- a/drivers/media/video/s5p-tv/mixer.h
+++ b/drivers/media/video/s5p-tv/mixer.h
@@ -86,6 +86,17 @@ struct mxr_crop {
         unsigned int field;
 };
 
+/** stages of geometry operations */
+enum mxr_geometry_stage {
+        MXR_GEOMETRY_SINK,
+        MXR_GEOMETRY_COMPOSE,
+        MXR_GEOMETRY_CROP,
+        MXR_GEOMETRY_SOURCE,
+};
+
+/* flag indicating that offset should be 0 */
+#define MXR_NO_OFFSET   0x80000000
+
 /** description of transformation from source to destination image */
 struct mxr_geometry {
         /** cropping for source image */
@@ -133,7 +144,8 @@ struct mxr_layer_ops {
         /** streaming stop/start */
         void (*stream_set)(struct mxr_layer *, int);
         /** adjusting geometry */
-        void (*fix_geometry)(struct mxr_layer *);
+        void (*fix_geometry)(struct mxr_layer *,
+                enum mxr_geometry_stage, unsigned long);
 };
 
 /** layer instance, a single window and content displayed on output */