linux-kernel - [PATCH v5 01/16] media: videodev2.h, v4l2-ioctl: add rkisp1 meta buffer format

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Date:   Fri, 29 Dec 2017 15:52:43 +0800
From:   Shunqian Zheng <zhengsq@...k-chips.com>
To:     linux-rockchip@...ts.infradead.org, linux-media@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        mchehab@...nel.org, sakari.ailus@...ux.intel.com,
        hans.verkuil@...co.com, tfiga@...omium.org, zhengsq@...k-chips.com,
        laurent.pinchart@...asonboard.com, zyc@...k-chips.com,
        eddie.cai.linux@...il.com, jeffy.chen@...k-chips.com,
        allon.huang@...k-chips.com, devicetree@...r.kernel.org,
        heiko@...ech.de, robh+dt@...nel.org, Joao.Pinto@...opsys.com,
        Luis.Oliveira@...opsys.com, Jose.Abreu@...opsys.com,
        jacob2.chen@...k-chips.com
Subject: [PATCH v5 01/16] media: videodev2.h, v4l2-ioctl: add rkisp1 meta buffer format

Add the Rockchip ISP1 specific processing parameter format
V4L2_META_FMT_RK_ISP1_PARAMS and metadata format
V4L2_META_FMT_RK_ISP1_STAT_3A for 3A.

Signed-off-by: Shunqian Zheng <zhengsq@...k-chips.com>
Signed-off-by: Jacob Chen <jacob2.chen@...k-chips.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 7961499..035fd22 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1246,6 +1246,8 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
 	case V4L2_TCH_FMT_TU08:		descr = "8-bit unsigned touch data"; break;
 	case V4L2_META_FMT_VSP1_HGO:	descr = "R-Car VSP1 1-D Histogram"; break;
 	case V4L2_META_FMT_VSP1_HGT:	descr = "R-Car VSP1 2-D Histogram"; break;
+	case V4L2_META_FMT_RK_ISP1_PARAMS:	descr = "Rockchip ISP1 3A params"; break;
+	case V4L2_META_FMT_RK_ISP1_STAT_3A:	descr = "Rockchip ISP1 3A statistics"; break;
 
 	default:
 		/* Compressed formats */
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 1c095b5..c023c3a 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -689,6 +689,10 @@ struct v4l2_pix_format {
 #define V4L2_META_FMT_VSP1_HGO    v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
 #define V4L2_META_FMT_VSP1_HGT    v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
 
+/* Vendor specific - used for IPU3 camera sub-system */
+#define V4L2_META_FMT_RK_ISP1_PARAMS	v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 params */
+#define V4L2_META_FMT_RK_ISP1_STAT_3A	v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A statistics */
+
 /* priv field value to indicates that subsequent fields are valid. */
 #define V4L2_PIX_FMT_PRIV_MAGIC		0xfeedcafe
 
-- 
1.9.1