[PATCH v10 14/17] media: mali-c55: Add image formats for Mali-C55 parameters buffer

Daniel Scally
2025-06-24T10:21:59Z

From: Jacopo Mondi <jacopo.mondi@ideasonboard.com>

Add a new V4L2 meta format code for the Mali-C55 parameters.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Nayden Kanchev <nayden.kanchev@arm.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
---
Changes in v10:

- None

Changes in v9:

- None

Changes in v8:

- None

Changes in v7:

- None

Changes in v6:

- None

Changes in v5:

- New patch
---
drivers/media/v4l2-core/v4l2-ioctl.c | 1 +
include/uapi/linux/videodev2.h | 1 +
2 files changed, 2 insertions(+)

diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 674260256681b59ab4919ea1f6bc437487e81ee2..be6e0255130742a1d979139c3229329abad759eb 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1466,6 +1466,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_META_FMT_RK_ISP1_EXT_PARAMS: descr = "Rockchip ISP1 Ext 3A Params"; break;
case V4L2_META_FMT_C3ISP_PARAMS: descr = "Amlogic C3 ISP Parameters"; break;
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_PIX_FMT_NV12_8L128: descr = "NV12 (8x128 Linear)"; break;
case V4L2_PIX_FMT_NV12M_8L128: descr = "NV12M (8x128 Linear)"; break;
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 05023c16590db117503259f60f1d762b181c0350..da01b41a04842f7b463a04cde9c59989e5aa253f 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -878,6 +878,7 @@ struct v4l2_pix_format {
#define V4L2_META_FMT_RPI_FE_STATS v4l2_fourcc('R', 'P', 'F', 'S') /* PiSP FE stats */

/* Vendor specific - used for Arm Mali-C55 ISP */
+#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 */

#ifdef __KERNEL__

--
2.34.1