linux-kernel - [PATCH 3/9] v4l: Add sunxi Video Engine pixel format

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Message-Id: <20180309101445.16190-1-paul.kocialkowski@bootlin.com>
Date:   Fri,  9 Mar 2018 11:14:39 +0100
From:   Paul Kocialkowski <paul.kocialkowski@...tlin.com>
To:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com
Cc:     Icenowy Zheng <icenowy@...c.xyz>,
        Florent Revest <revestflo@...il.com>,
        Alexandre Courbot <acourbot@...omium.org>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Thomas van Kleef <thomas@...sch.nl>,
        "Signed-off-by : Bob Ham" <rah@...trans.net>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>
Subject: [PATCH 3/9] v4l: Add sunxi Video Engine pixel format

From: Florent Revest <florent.revest@...e-electrons.com>

Add support for the allwinner's proprietary pixel format described in
details here: http://linux-sunxi.org/File:Ve_tile_format_v1.pdf

This format is similar to V4L2_PIX_FMT_NV12M but the planes are divided
in tiles of 32x32px.

Signed-off-by: Florent Revest <florent.revest@...e-electrons.com>
---
 include/uapi/linux/videodev2.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 35706204e81d..cee906681db7 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -669,6 +669,7 @@ struct v4l2_pix_format {
 #define V4L2_PIX_FMT_Z16      v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
 #define V4L2_PIX_FMT_MT21C    v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode  */
 #define V4L2_PIX_FMT_INZI     v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
+#define V4L2_PIX_FMT_SUNXI    v4l2_fourcc('S', 'X', 'I', 'Y') /* Sunxi VE's 32x32 tiled NV12 */
 
 /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
 #define V4L2_PIX_FMT_IPU3_SBGGR10	v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
-- 
2.16.2