[2/3] media: Add CSI-2 bus configuration to frame descriptors
Commit Message
From: Sakari Ailus <sakari.ailus@linux.intel.com>
Add CSI-2 bus specific configuration to the frame descriptors. This allows
obtaining the virtual channel and data type information for each stream
the transmitter is sending.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
include/media/v4l2-subdev.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
@@ -312,6 +312,17 @@ struct v4l2_subdev_audio_ops {
int (*s_stream)(struct v4l2_subdev *sd, int enable);
};
+/**
+ * struct v4l2_mbus_frame_desc_entry_csi2
+ *
+ * @vc: CSI-2 virtual channel
+ * @dt: CSI-2 data type ID
+ */
+struct v4l2_mbus_frame_desc_entry_csi2 {
+ u8 vc;
+ u8 dt;
+};
+
/**
* enum v4l2_mbus_frame_desc_flags - media bus frame description flags
*
@@ -335,11 +346,16 @@ enum v4l2_mbus_frame_desc_flags {
* %FRAME_DESC_FL_BLOB is not set.
* @length: number of octets per frame, valid if @flags
* %V4L2_MBUS_FRAME_DESC_FL_LEN_MAX is set.
+ * @bus: Bus-specific frame descriptor parameters
+ * @bus.csi2: CSI-2-specific bus configuration
*/
struct v4l2_mbus_frame_desc_entry {
enum v4l2_mbus_frame_desc_flags flags;
u32 pixelcode;
u32 length;
+ union {
+ struct v4l2_mbus_frame_desc_entry_csi2 csi2;
+ } bus;
};
#define V4L2_FRAME_DESC_ENTRY_MAX 4