media: uapi: Add an entity type for Image Signal Processors

Add and document a media entity type for Image Signal Processor devices.
Surprisingly we didn't have one, so add one now. More or less all ISP
drivers should use this type instead of what they currently are using (or
not using anything).

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Sakari Ailus 2020-12-17 19:27:08 +01:00 committed by Mauro Carvalho Chehab
parent d8401ed01f
commit f7c7d6ccc5
2 changed files with 8 additions and 0 deletions

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@ -39,6 +39,7 @@ Types and flags used to represent the media graph elements
.. _MEDIA-ENT-F-PROC-VIDEO-STATISTICS:
.. _MEDIA-ENT-F-PROC-VIDEO-ENCODER:
.. _MEDIA-ENT-F-PROC-VIDEO-DECODER:
.. _MEDIA-ENT-F-PROC-VIDEO-ISP:
.. _MEDIA-ENT-F-VID-MUX:
.. _MEDIA-ENT-F-VID-IF-BRIDGE:
.. _MEDIA-ENT-F-DV-DECODER:
@ -201,6 +202,12 @@ Types and flags used to represent the media graph elements
decompressing a compressed video stream into uncompressed video
frames. Must have one sink pad and at least one source pad.
* - ``MEDIA_ENT_F_PROC_VIDEO_ISP``
- An Image Signal Processor (ISP) device. ISPs generally are one of a
kind devices that have their specific control interfaces using a
combination of custom V4L2 controls and IOCTLs, and parameters
supplied in a metadata buffer.
* - ``MEDIA_ENT_F_VID_MUX``
- Video multiplexer. An entity capable of multiplexing must have at
least two sink pads and one source pad, and must pass the video

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@ -127,6 +127,7 @@ struct media_device_info {
#define MEDIA_ENT_F_PROC_VIDEO_STATISTICS (MEDIA_ENT_F_BASE + 0x4006)
#define MEDIA_ENT_F_PROC_VIDEO_ENCODER (MEDIA_ENT_F_BASE + 0x4007)
#define MEDIA_ENT_F_PROC_VIDEO_DECODER (MEDIA_ENT_F_BASE + 0x4008)
#define MEDIA_ENT_F_PROC_VIDEO_ISP (MEDIA_ENT_F_BASE + 0x4009)
/*
* Switch and bridge entity functions