From: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
---
Documentation/media/uapi/mediactl/media-types.rst | 22 ++++++++++++++++++++++
include/uapi/linux/media.h | 6 ++++++
2 files changed, 28 insertions(+)
diff --git a/Documentation/media/uapi/mediactl/media-types.rst b/Documentation/media/uapi/mediactl/media-types.rst
index 3e03dc2..023be29 100644
--- a/Documentation/media/uapi/mediactl/media-types.rst
+++ b/Documentation/media/uapi/mediactl/media-types.rst
@@ -298,6 +298,28 @@ Types and flags used to represent the media graph elements
received on its sink pad and outputs the statistics data on
its source pad.
+ - .. row 29
+
+ .. _MEDIA-ENT-F-MUX:
+
+ - ``MEDIA_ENT_F_MUX``
+
+ - Video multiplexer. An entity capable of multiplexing must have at
+ least two sink pads and one source pad, and must pass the video
+ frame(s) received from the active sink pad to the source pad. Video
+ frame(s) from the inactive sink pads are discarded.
+
+ - .. row 30
+
+ .. _MEDIA-ENT-F-VID-IF-BRIDGE:
+
+ - ``MEDIA_ENT_F_VID_IF_BRIDGE``
+
+ - Video interface bridge. A video interface bridge entity must have at
+ least one sink pad and one source pad. It receives video frame(s) on
+ its sink pad in one bus format (HDMI, eDP, MIPI CSI-2, ...) and
+ converts them and outputs them on its source pad in another bus format
+ (eDP, MIPI CSI-2, parallel, ...).
.. tabularcolumns:: |p{5.5cm}|p{12.0cm}|
diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h
index 4890787..08a8bfa 100644
--- a/include/uapi/linux/media.h
+++ b/include/uapi/linux/media.h
@@ -105,6 +105,12 @@ struct media_device_info {
#define MEDIA_ENT_F_PROC_VIDEO_STATISTICS (MEDIA_ENT_F_BASE + 0x4006)
/*
+ * Switch and bridge entitites
+ */
+#define MEDIA_ENT_F_MUX (MEDIA_ENT_F_BASE + 0x5001)
+#define MEDIA_ENT_F_VID_IF_BRIDGE (MEDIA_ENT_F_BASE + 0x5002)
+
+/*
* Connectors
*/
/* It is a responsibility of the entity drivers to add connectors and links */
--
2.7.4
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