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media: Add bus type to frame descriptors

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Add the media bus type to the frame descriptor. CSI-2 specific
information will be added in next patch to the frame descriptor.

- Make the bus type a named enum

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-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 09:02:38 +02:00 committed by Mauro Carvalho Chehab
parent 18860529a5
commit a34cc79c96
1 changed files with 20 additions and 0 deletions
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20
include/media/v4l2-subdev.h
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@ -344,12 +344,32 @@ struct v4l2_mbus_frame_desc_entry {
#define V4L2_FRAME_DESC_ENTRY_MAX 4
/**
* enum v4l2_mbus_frame_desc_type - media bus frame description type
*
* @V4L2_MBUS_FRAME_DESC_TYPE_UNDEFINED:
* Undefined frame desc type. Drivers should not use this, it is
* for backwards compatibility.
* @V4L2_MBUS_FRAME_DESC_TYPE_PARALLEL:
* Parallel media bus.
* @V4L2_MBUS_FRAME_DESC_TYPE_CSI2:
* CSI-2 media bus. Frame desc parameters must be set in
* &struct v4l2_mbus_frame_desc_entry->csi2.
*/
enum v4l2_mbus_frame_desc_type {
V4L2_MBUS_FRAME_DESC_TYPE_UNDEFINED = 0,
V4L2_MBUS_FRAME_DESC_TYPE_PARALLEL,
V4L2_MBUS_FRAME_DESC_TYPE_CSI2,
};
/**
* struct v4l2_mbus_frame_desc - media bus data frame description
* @type: type of the bus (enum v4l2_mbus_frame_desc_type)
* @entry: frame descriptors array
* @num_entries: number of entries in @entry array
*/
struct v4l2_mbus_frame_desc {
enum v4l2_mbus_frame_desc_type type;
struct v4l2_mbus_frame_desc_entry entry[V4L2_FRAME_DESC_ENTRY_MAX];
unsigned short num_entries;
};