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From: Changhuang Liang <changhuang.liang@starfivetech.com>
To: Mauro Carvalho Chehab <mchehab@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Hans Verkuil <hverkuil-cisco@xs4all.nl>,
	Ming Qian <ming.qian@nxp.com>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Nicolas Dufresne <nicolas.dufresne@collabora.com>,
	Benjamin Gaignard <benjamin.gaignard@collabora.com>,
	Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com>,
	Mingjia Zhang <mingjia.zhang@mediatek.com>
Cc: Jack Zhu <jack.zhu@starfivetech.com>,
	Changhuang Liang <changhuang.liang@starfivetech.com>,
	linux-media@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-staging@lists.linux.dev
Subject: [PATCH v3 03/13] media: videodev2.h, v4l2-ioctl: Add StarFive ISP meta buffer format
Date: Mon,  5 Feb 2024 01:04:14 -0800
Message-Id: <20240205090424.40302-4-changhuang.liang@starfivetech.com>
In-Reply-To: <20240205090424.40302-1-changhuang.liang@starfivetech.com>
References: <20240205090424.40302-1-changhuang.liang@starfivetech.com>
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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@starfivetech.com>
---
 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 33076af4dfdb..12c2104a3626 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1445,6 +1445,8 @@ 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 68e7ac178cc2..349bb8efe28a 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