From a34cc79c9623ea2c12eca22c16e70047fbd7c26e Mon Sep 17 00:00:00 2001 From: Sakari Ailus Date: Tue, 26 Apr 2022 09:02:38 +0200 Subject: [PATCH] media: Add bus type to frame descriptors MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Niklas Söderlund Signed-off-by: Jacopo Mondi Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- include/media/v4l2-subdev.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 33a7201..544ddd1 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -345,11 +345,31 @@ 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; }; -- 2.7.4