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media: uapi: Add generic serial metadata mbus formats

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Add generic serial metadata mbus formats. These formats describe data
width and packing but not the content itself. The reason for specifying
such formats is that the formats as such are fairly device specific but
they are still handled by CSI-2 receiver drivers that should not be aware
of device specific formats. What makes generic metadata formats possible
is that these formats are parsed by software only, after capturing the
data to system memory.

Also add a definition for "Data Unit" to cover what is essentially a pixel
but is not image data.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Sakari Ailus
2023-04-25 16:50:25 +03:00
committed by Hans Verkuil
parent 7ba432f01c
commit f28bdda2f8
3 changed files with 270 additions and 0 deletions
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9
include/uapi/linux/media-bus-format.h
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@@ -174,4 +174,13 @@
*/
#define MEDIA_BUS_FMT_METADATA_FIXED 0x7001
/* Generic line based metadata formats for serial buses. Next is 0x8008. */
#define MEDIA_BUS_FMT_META_8 0x8001
#define MEDIA_BUS_FMT_META_10 0x8002
#define MEDIA_BUS_FMT_META_12 0x8003
#define MEDIA_BUS_FMT_META_14 0x8004
#define MEDIA_BUS_FMT_META_16 0x8005
#define MEDIA_BUS_FMT_META_20 0x8006
#define MEDIA_BUS_FMT_META_24 0x8007
#endif /* __LINUX_MEDIA_BUS_FORMAT_H */