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Update kernel headers to v5.19 using utils/update-kernel-headers.sh and
re-instating libcamera local modifications.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Tested-by: Jacopo Mondi <jacopo@jmondi.org>
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Updated kernel headers to v5.16-rc7 using
utils/update-kernel-headers.sh and re-instating libcamera
local modifications.
Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The intel-ipu3.h public interface from the kernel does not define how to
parse the statistics for a cell. This had to be identified by a process
of reverse engineering, and later identifying the structures from [0]
leading to our custom definition of struct Ipu3AwbCell.
[0]
https://chromium.googlesource.com/chromiumos/platform/arc-camera/+/refs/heads/master/hal/intel/include/ia_imaging/awb_public.h
To improve the kernel interface, a proposal has been made to the
linux-kernel [1] to incorporate the memory layout for each cell into the
intel-ipu3 header directly.
[1]
https://lore.kernel.org/linux-media/20211005202019.253353-1-jeanmichel.hautbois@ideasonboard.com/
Update our local copy of the intel-ipu3.h to match the proposal and
change the AGC and AWB algorithms to reference that structure directly,
allowing us to remove the deprecated custom Ipu3AwbCell definition.
Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Update Linux headers to v5.12-rc1, to provide the
MEDIA_ENT_F_PROC_VIDEO_ISP entity function.
The DRM FourCC and modifiers that were manually added in commits
9db0ed5e2065, 38f2efb05cef and 90c793c6989f are kept. New Intel DRM
format modifiers are conflicting with IPU3_FORMAT_MOD_PACKED, which is
updated as a result.
The V4L2 controls and formats that were manually added in commit
43d81d43fe91 are kept. This causes a conflict in the V4L2 control base
for V4L2_CID_USER_BCM2835_ISP_BASE that needs to be resolved in the
downstream Raspberry Pi kernel first.
The intel-ipu3.h header is manually exported with the
scripts/headers_install.sh script. The script complained about a missing
"WITH Linux-syscall-note" license extension, which has been worked
around manually. The issue has been reported upstream in [1].
[1] https://lore.kernel.org/linux-media/20210207235610.15687-1-laurent.pinchart@ideasonboard.com/T/#u
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add kernel header and format definitions for the Intel IPU3. The header
has been exported from a v5.9 kernel using scripts/headers_install.sh.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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