media: Add MALI_C55_3A_STATS meta format

Add a new meta format for the Mali-C55 ISP's 3A Statistics along
with a new descriptor entry.

Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Nayden Kanchev  <nayden.kanchev@arm.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>

diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 01cf52c3ea33e1a01e1b306036ba4e57ef5c95d0..bfab29938b8f43f3224e4bc794c21eb5b6e368a2 100644 (file)
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1469,6 +1469,7 @@ 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_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;
        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 becd08fdbddb857f8f2bf205d2164dc6e20e80b2..cba4b131166773ae0d52c00de6e1c304bd08573a 100644 (file)
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -884,6 +884,9 @@ struct v4l2_pix_format {
 #define V4L2_META_FMT_RPI_FE_CFG       v4l2_fourcc('R', 'P', 'F', 'C') /* PiSP FE configuration */
 #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_STATS   v4l2_fourcc('C', '5', '5', 'S') /* ARM Mali-C55 3A Statistics */
+
 #ifdef __KERNEL__
 /*
  * Line-based metadata formats. Remember to update v4l_fill_fmtdesc() when