From:   Ming Qian <ming.qian@nxp.com>
To:     mchehab@kernel.org, mirela.rabulea@oss.nxp.com,
        hverkuil-cisco@xs4all.nl
Cc:     shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de,
        festevam@gmail.com, xiahong.bao@nxp.com, linux-imx@nxp.com,
        linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 06/10] media: Add ABGR64_12 video format
Date:   Tue, 14 Mar 2023 18:08:49 +0800
Message-Id: <381112ea3503ec1a49a5130a0bcee777ce58391a.1678788305.git.ming.qian@nxp.com>
In-Reply-To: <cover.1678788305.git.ming.qian@nxp.com>
References: <cover.1678788305.git.ming.qian@nxp.com>
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?Hv6PztDOXhVPVpozuJ3kv57GO5m9rnIusxkbrpJ4WBKcvkHbtJ3LXCuc+sXA?=
 =?us-ascii?Q?FJ5TWRWcYS6Hbp+gw648tOx2QY/T7/vIX21GNW1lXlByBA+EuhEi3DWAYmmr?=
 =?us-ascii?Q?NyxBSkKlNUEjch6ZO0wfR5l0VkhNGmPDAkJDjtUiB6KAtkQoSj/je+GgXhHs?=
 =?us-ascii?Q?dDjyvD0mBphsMRL3cIwHmrcFrlBfN6hXviXvhwLwg+ZgfTqAgoGijPV3FRAv?=
 =?us-ascii?Q?V6hVU75DDOG7XkohupMuk7X1n7VMCvBelVdOO509C9I2AxT2jWXt2GBjwmHj?=
 =?us-ascii?Q?DLv52XrEdzEs1GUMKgRpqefZ0C2lGcC//YhQ1tRAhXEIiuBHdHBmpGy1YHCj?=
 =?us-ascii?Q?pqSmjLZj4UK6ifc+tbCNt2EE2mlhEx7u+9xG58KAB1LFT90xbwqWvFITXQoy?=
 =?us-ascii?Q?seWNCQE6U1EJBSmv6IyKS0I6jnORBAEF+3sj1q6NTeJxmIzObvDyPTTqhquI?=
 =?us-ascii?Q?PHCYcvkV5ICxGvBA4z3I9NYiIUPMwjG561X/7exUaHVHTqUvPYHG1nnet646?=
 =?us-ascii?Q?rNjfxmOMwfoLIas/nnJmOnYlo8zMS0xNj/J5VWW+ApS50+urTkxllBjlhHmH?=
 =?us-ascii?Q?U42/V4OtgY+6dfSWjKzHVBEDBHvi6ENRJIjpdNnCmhOseFC/sdklCLXHp/Fv?=
 =?us-ascii?Q?IAMJjyjbFU4XvZjNKEj/NJbcuV2VaPiLgCtZ/NkyAWW3uKbWXodfht4YiyL9?=
 =?us-ascii?Q?zBq+Xi8Aj9dp0TxmYL5fKep4K70fbDj5w2PfQK+5jBDgms9ZqW2L7OtwT1R5?=
 =?us-ascii?Q?6nhcvafkaTOhoaNMSaJVQCDO3dk0ezGGQO89lS4H1/WXxuK6SElugCwbMB0U?=
 =?us-ascii?Q?Y3iwPrppQCcPlKVvAIiyxSB7+xdDicK1Q4eKs/YakhHV4MNZzcLVdqyOzO9J?=
 =?us-ascii?Q?B5Vz2WrPp7659JSwCDDlbqllJZq83goYvHgLSK9c/4oTRVT63l3ehgIfv2fv?=
 =?us-ascii?Q?I7K9k/2aIim4822GRqmTEj/NkqCK7onVt0qIc8MRZnF+7IkrNeY+K/1guupx?=
 =?us-ascii?Q?tfPxlk4qInJmk1+RnYtrJyqFml6yxjVAXH3jKR13tjFMYdC3hlDi5bt/f8wx?=
 =?us-ascii?Q?bhfShWqHjJepX3sf8Si09qXG88GeyW7ig2SjH3UYfYpjb10KHISTM3Ct/LDy?=
 =?us-ascii?Q?xNgkCCiA4tLvV+a3fl+/Fyh6PyXiOWRmdn6RBv9qHm+TKvc2FUCYMIUmAyb8?=
 =?us-ascii?Q?JOiPQnf7jdhdZiZGohQvCBITZ9Qu78QKkjxubktnAPef+jK0Kvw4lWxJFeph?=
 =?us-ascii?Q?bb7NVVSLUvl3oxtWDptX+uJYblAi4uAwLL+7Nq3QIL5YJjWZ3Tx2LhBA2F/Y?=
 =?us-ascii?Q?mEi26XbTL7jwDU+EeOyNFdGLh7EQVV9fBCYKljy+TVgY5vs+G3ANnh1YJHiB?=
 =?us-ascii?Q?gxtBA3tnMtMttKlya15MHoVMh1eGY5qmrVZ+clYzn0RmLb9bZ1nb3IdAFx9I?=
 =?us-ascii?Q?q5HqfNBx5S7LD1NpV025HjqPeDCgf3DOj8TYfJUTHq0BTY9ZZTuRt8KdbGgQ?=
 =?us-ascii?Q?A1KDolwlBSFLFrmz/B0mpk/qlJqg3Z60vlJG6oZzugmM8LJjeVJFgIBZEdWL?=
 =?us-ascii?Q?/j4dRtmgVzabQjQ+Wx8/8Uz4jb1Olb+ZV5N//fY/?=
X-OriginatorOrg: nxp.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 3e463075-8c31-4f10-f391-08db247452be
X-MS-Exchange-CrossTenant-AuthSource: AM6PR04MB6341.eurprd04.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Mar 2023 10:10:22.7984
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: MWeAcBsIzHcBjQDs2GetMdSCU6AEeS6eQkjpdds2nRgt2bg21SMektF5+JiRXfjv5E4lkiRBrOXtnpi+Prq4NQ==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM8PR04MB7841
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

ABGR64_12 is a reversed RGB format with alpha channel last,
12 bits per component like ABGR32,
expanded to 16bits.
Data in the 12 high bits, zeros in the 4 low bits,
arranged in little endian order.

Signed-off-by: Ming Qian <ming.qian@nxp.com>
---
 Documentation/userspace-api/media/v4l/pixfmt-rgb.rst | 9 +++++++++
 drivers/media/v4l2-core/v4l2-common.c                | 1 +
 drivers/media/v4l2-core/v4l2-ioctl.c                 | 1 +
 include/uapi/linux/videodev2.h                       | 1 +
 4 files changed, 12 insertions(+)

diff --git a/Documentation/userspace-api/media/v4l/pixfmt-rgb.rst b/Documentation/userspace-api/media/v4l/pixfmt-rgb.rst
index fc98a10991f1..c97eab59a6dc 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-rgb.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-rgb.rst
@@ -985,6 +985,15 @@ arranged in little endian order.
       - G\ :sub:`15-4`
       - R\ :sub:`15-4`
       -
+    * .. _V4L2-PIX-FMT-ABGR64-12:
+
+      - ``V4L2_PIX_FMT_ABGR64_12``
+      - 'B412'
+
+      - B\ :sub:`15-4`
+      - G\ :sub:`15-4`
+      - R\ :sub:`15-4`
+      - A\ :sub:`15-4`
 
 .. raw:: latex
 
diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c
index 16d3c91c7da2..3c5ab5ecd678 100644
--- a/drivers/media/v4l2-core/v4l2-common.c
+++ b/drivers/media/v4l2-core/v4l2-common.c
@@ -253,6 +253,7 @@ const struct v4l2_format_info *v4l2_format_info(u32 format)
 		{ .format = V4L2_PIX_FMT_RGB555,  .pixel_enc = V4L2_PIXEL_ENC_RGB, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .hdiv = 1, .vdiv = 1 },
 		{ .format = V4L2_PIX_FMT_BGR666,  .pixel_enc = V4L2_PIXEL_ENC_RGB, .mem_planes = 1, .comp_planes = 1, .bpp = { 4, 0, 0, 0 }, .hdiv = 1, .vdiv = 1 },
 		{ .format = V4L2_PIX_FMT_BGR48_12, .pixel_enc = V4L2_PIXEL_ENC_RGB, .mem_planes = 1, .comp_planes = 1, .bpp = { 6, 0, 0, 0 }, .hdiv = 1, .vdiv = 1 },
+		{ .format = V4L2_PIX_FMT_ABGR64_12, .pixel_enc = V4L2_PIXEL_ENC_RGB, .mem_planes = 1, .comp_planes = 1, .bpp = { 8, 0, 0, 0 }, .hdiv = 1, .vdiv = 1 },
 
 		/* YUV packed formats */
 		{ .format = V4L2_PIX_FMT_YUYV,    .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .hdiv = 2, .vdiv = 1 },
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 6d9599391d7b..768e1bad4eb2 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1303,6 +1303,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
 	case V4L2_PIX_FMT_RGBA1010102:	descr = "32-bit RGBA 10-10-10-2"; break;
 	case V4L2_PIX_FMT_ARGB2101010:	descr = "32-bit ARGB 2-10-10-10"; break;
 	case V4L2_PIX_FMT_BGR48_12:	descr = "12-bit Depth BGR"; break;
+	case V4L2_PIX_FMT_ABGR64_12:	descr = "12-bit Depth BGRA"; break;
 	case V4L2_PIX_FMT_GREY:		descr = "8-bit Greyscale"; break;
 	case V4L2_PIX_FMT_Y4:		descr = "4-bit Greyscale"; break;
 	case V4L2_PIX_FMT_Y6:		descr = "6-bit Greyscale"; break;
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 3c5acd72606c..a6df69ce5cf7 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -582,6 +582,7 @@ struct v4l2_pix_format {
 
 /* RGB formats (6 or 8 bytes per pixel) */
 #define V4L2_PIX_FMT_BGR48_12    v4l2_fourcc('B', '3', '1', '2') /* 48  BGR 12-bit per component */
+#define V4L2_PIX_FMT_ABGR64_12   v4l2_fourcc('B', '4', '1', '2') /* 64  BGRA 12-bit per component */
 
 /* Grey formats */
 #define V4L2_PIX_FMT_GREY    v4l2_fourcc('G', 'R', 'E', 'Y') /*  8  Greyscale     */
-- 
2.38.1