Pads that carry muxed CSI-2 streams needs a way to describe which
'normal' pad is muxed to/from which stream of the multiplexed pad.
Extend struct v4l2_mbus_frame_desc_entry to carry this information.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
---
include/media/v4l2-subdev.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index c258b1524f94f8ff..dc855135d94eafdb 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -292,6 +292,9 @@ struct v4l2_subdev_audio_ops {
* receiver should use 1D DMA.
*/
#define V4L2_MBUS_FRAME_DESC_FL_BLOB (1U << 1)
+/* Indicates the the discriptor describes a muxed CSI-2 bus */
+#define V4L2_MBUS_FRAME_DESC_FL_CSI2 (1U << 2)
+
/**
* struct v4l2_mbus_frame_desc_entry - media bus frame description structure
@@ -301,11 +304,19 @@ struct v4l2_subdev_audio_ops {
* @pixelcode: media bus pixel code, valid if FRAME_DESC_FL_BLOB is not set
* @length: number of octets per frame, valid if V4L2_MBUS_FRAME_DESC_FL_BLOB
* is set
+ * @csi2: CSI-2 bus specific parameters, valid if V4L2_MBUS_FRAME_DESC_FL_CSI2
+ * is set
*/
struct v4l2_mbus_frame_desc_entry {
u16 flags;
u32 pixelcode;
u32 length;
+
+ struct {
+ unsigned int channel;
+ unsigned int datatype;
+ unsigned int pad;
+ } csi2;
};
#define V4L2_FRAME_DESC_ENTRY_MAX 4
--
2.13.3
