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media: Add CSI-2 bus configuration to frame descriptors

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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>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Sakari Ailus 2022-04-26 09:02:39 +02:00 committed by Mauro Carvalho Chehab
parent a34cc79c96
commit 897c45df29
1 changed files with 16 additions and 0 deletions
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16
include/media/v4l2-subdev.h
View file

@ -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