[PATCH v4 03/13] media: videodev2.h, v4l2-ioctl: Add StarFive ISP meta buffer format

From: Changhuang Liang
Date: Tue Apr 02 2024 - 06:16:39 EST


Add the StarFive ISP specific metadata format
V4L2_META_FMT_STF_ISP_PARAMS & V4L2_META_FMT_STF_ISP_STAT_3A for 3A.

Signed-off-by: Changhuang Liang <changhuang.liang@xxxxxxxxxxxxxxxx>
---
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 5aeff5519407..9fb8f9c510a9 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1453,6 +1453,8 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_META_FMT_VIVID: descr = "Vivid Metadata"; break;
case V4L2_META_FMT_RK_ISP1_PARAMS: descr = "Rockchip ISP1 3A Parameters"; break;
case V4L2_META_FMT_RK_ISP1_STAT_3A: descr = "Rockchip ISP1 3A Statistics"; break;
+ case V4L2_META_FMT_STF_ISP_PARAMS: descr = "StarFive ISP 3A Parameters"; break;
+ case V4L2_META_FMT_STF_ISP_STAT_3A: descr = "StarFive 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 2663213b76a4..8fb9f2f20832 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -839,6 +839,10 @@ struct v4l2_pix_format {
#define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */
#define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */

+/* Vendor specific - used for StarFive JH7110 ISP camera sub-system */
+#define V4L2_META_FMT_STF_ISP_PARAMS v4l2_fourcc('S', 'T', 'F', 'P') /* StarFive ISP 3A Parameters */
+#define V4L2_META_FMT_STF_ISP_STAT_3A v4l2_fourcc('S', 'T', 'F', 'S') /* StarFive ISP 3A Statistics */
+
/* priv field value to indicates that subsequent fields are valid. */
#define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe

--
2.25.1