From: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Add the media bus type to the frame descriptor. CSI-2 specific
information will be added in next patch to the frame descriptor.
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
- Make the bus type a named enum
Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
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 79f9932d2b00..53967379fd08 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -340,12 +340,32 @@ 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;
};
--
2.25.1
