On Thu Jul 30 19:12:29 2026 +0200, Jai Luthra wrote:
> Register V4L2 metadata fourcc codes for the Dreamchip RPP-X1 ISP
> parameters and statistics buffers. These formats are used by the driver
> to exchange ISP configuration and 3A statistics with userspace through
> the extensible parameters framework.
>
> Signed-off-by: Jai Luthra <[email protected]>
> Reviewed-by: Jacopo Mondi <[email protected]>
> Reviewed-by: Niklas Söderlund <[email protected]>
> Signed-off-by: Niklas Söderlund <[email protected]>
> Signed-off-by: Sakari Ailus <[email protected]>
Patch committed.
Thanks,
Sakari Ailus
drivers/media/v4l2-core/v4l2-ioctl.c | 2 ++
include/uapi/linux/videodev2.h | 4 ++++
2 files changed, 6 insertions(+)
---
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c
b/drivers/media/v4l2-core/v4l2-ioctl.c
index a2b650f4ec3c..17ba1ae70735 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1471,6 +1471,8 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_META_FMT_C3ISP_STATS: descr = "Amlogic C3 ISP
Statistics"; break;
case V4L2_META_FMT_MALI_C55_PARAMS: descr = "ARM Mali-C55 ISP
Parameters"; break;
case V4L2_META_FMT_MALI_C55_STATS: descr = "ARM Mali-C55 ISP 3A
Statistics"; break;
+ case V4L2_META_FMT_RPPX1_PARAMS: descr = "Dreamchip RPP-X1 ISP
Parameters"; break;
+ case V4L2_META_FMT_RPPX1_STATS: descr = "Dreamchip RPP-X1 ISP
Statistics"; break;
case V4L2_PIX_FMT_NV12_8L128: descr = "NV12 (8x128 Linear)"; break;
case V4L2_PIX_FMT_NV12M_8L128: descr = "NV12M (8x128 Linear)"; break;
case V4L2_PIX_FMT_NV12_10BE_8L128: descr = "10-bit NV12 (8x128
Linear, BE)"; break;
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index eda4492e40dc..5373dba640fa 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -889,6 +889,10 @@ struct v4l2_pix_format {
#define V4L2_META_FMT_MALI_C55_PARAMS v4l2_fourcc('C', '5', '5', 'P') /* ARM
Mali-C55 Parameters */
#define V4L2_META_FMT_MALI_C55_STATS v4l2_fourcc('C', '5', '5', 'S') /* ARM
Mali-C55 3A Statistics */
+/* Vendor specific - used for Dreamchip RPP-X1 ISP */
+#define V4L2_META_FMT_RPPX1_PARAMS v4l2_fourcc('D', 'R', '1', 'P') /*
Dreamchip RPP-X1 Parameters */
+#define V4L2_META_FMT_RPPX1_STATS v4l2_fourcc('D', 'R', '1', 'S') /*
Dreamchip RPP-X1 Statistics */
+
#ifdef __KERNEL__
/*
* Line-based metadata formats. Remember to update v4l_fill_fmtdesc() when
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