@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* V4L2 subdev userspace API
*
@@ -154,6 +155,44 @@ struct v4l2_subdev_selection {
__u32 reserved[8];
};
+#define V4L2_SUBDEV_ROUTE_FL_ACTIVE (1 << 0)
+#define V4L2_SUBDEV_ROUTE_FL_IMMUTABLE (1 << 1)
+
+/**
+ * struct v4l2_subdev_route - A signal route inside a subdev
+ * @sink_pad: the sink pad
+ * @sink_stream: the sink stream
+ * @source_pad: the source pad
+ * @source_stream: the source stream
+ * @flags: route flags:
+ *
+ * V4L2_SUBDEV_ROUTE_FL_ACTIVE: Is the stream in use or not? An
+ * active stream will start when streaming is enabled on a video
+ * node. Set by the user.
+ *
+ * V4L2_SUBDEV_ROUTE_FL_IMMUTABLE: Is the stream immutable, i.e.
+ * can it be activated and inactivated? Set by the driver.
+ */
+struct v4l2_subdev_route {
+ __u32 sink_pad;
+ __u32 sink_stream;
+ __u32 source_pad;
+ __u32 source_stream;
+ __u32 flags;
+ __u32 reserved[5];
+};
+
+/**
+ * struct v4l2_subdev_routing - Routing information
+ * @routes: the routes array
+ * @num_routes: the total number of routes in the routes array
+ */
+struct v4l2_subdev_routing {
+ struct v4l2_subdev_route *routes;
+ __u32 num_routes;
+ __u32 reserved[5];
+};
+
/* Backwards compatibility define --- to be removed */
#define v4l2_subdev_edid v4l2_edid
@@ -176,5 +215,7 @@ struct v4l2_subdev_selection {
#define VIDIOC_SUBDEV_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
#define VIDIOC_SUBDEV_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
#define VIDIOC_SUBDEV_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
+#define VIDIOC_SUBDEV_G_ROUTING _IOWR('V', 38, struct v4l2_subdev_routing)
+#define VIDIOC_SUBDEV_S_ROUTING _IOWR('V', 39, struct v4l2_subdev_routing)
#endif
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> --- include/linux/v4l2-subdev.h | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+)