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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2017-12-01 06:47:19 -0500
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-05-17 06:22:08 -0400
commit6e274b43b5730f53029354fc10c0beabefed60e2 (patch)
treefb5a7fad08fb91547ca2afd55025ad895e949aa1 /include/media
parent0d93d5c915d5b8a7f74f6d3e59748c06adcf6e9f (diff)
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media: v4l: vsp1: Extend the DU API to support CRC computation
Add a parameter (in the form of a structure to ease future API extensions) to the VSP atomic flush handler to pass CRC source configuration, and pass the CRC value to the completion callback. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'include/media')
-rw-r--r--include/media/vsp1.h35
1 files changed, 33 insertions, 2 deletions
diff --git a/include/media/vsp1.h b/include/media/vsp1.h
index ff7ef894465d..678c24de1ac6 100644
--- a/include/media/vsp1.h
+++ b/include/media/vsp1.h
@@ -34,7 +34,7 @@ struct vsp1_du_lif_config {
unsigned int width;
unsigned int height;
- void (*callback)(void *, bool);
+ void (*callback)(void *data, bool completed, u32 crc);
void *callback_data;
};
@@ -61,11 +61,42 @@ struct vsp1_du_atomic_config {
unsigned int zpos;
};
+/**
+ * enum vsp1_du_crc_source - Source used for CRC calculation
+ * @VSP1_DU_CRC_NONE: CRC calculation disabled
+ * @VSP1_DU_CRC_PLANE: Perform CRC calculation on an input plane
+ * @VSP1_DU_CRC_OUTPUT: Perform CRC calculation on the composed output
+ */
+enum vsp1_du_crc_source {
+ VSP1_DU_CRC_NONE,
+ VSP1_DU_CRC_PLANE,
+ VSP1_DU_CRC_OUTPUT,
+};
+
+/**
+ * struct vsp1_du_crc_config - VSP CRC computation configuration parameters
+ * @source: source for CRC calculation
+ * @index: index of the CRC source plane (when source is set to plane)
+ */
+struct vsp1_du_crc_config {
+ enum vsp1_du_crc_source source;
+ unsigned int index;
+};
+
+/**
+ * struct vsp1_du_atomic_pipe_config - VSP atomic pipe configuration parameters
+ * @crc: CRC computation configuration
+ */
+struct vsp1_du_atomic_pipe_config {
+ struct vsp1_du_crc_config crc;
+};
+
void vsp1_du_atomic_begin(struct device *dev, unsigned int pipe_index);
int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index,
unsigned int rpf,
const struct vsp1_du_atomic_config *cfg);
-void vsp1_du_atomic_flush(struct device *dev, unsigned int pipe_index);
+void vsp1_du_atomic_flush(struct device *dev, unsigned int pipe_index,
+ const struct vsp1_du_atomic_pipe_config *cfg);
int vsp1_du_map_sg(struct device *dev, struct sg_table *sgt);
void vsp1_du_unmap_sg(struct device *dev, struct sg_table *sgt);