From patchwork Fri May 24 14:00:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 798809 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 21AD012C471 for ; Fri, 24 May 2024 14:00:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716559254; cv=none; b=ckp1ZL4tJIQ45kjrGNWU8q88c0EXYyI3KmsmPe933Bx7pXVJizwocxOdt1O8ppJ8mAd3Y3koxKlBw1g7/66JchQGualIWqgKmqkD8zzMK8xF76fgXAxRUzLafoWQWwUavamfSQB96iRBZOt0zA0ohl0IScI8lY6X+/uDSrT2YIk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716559254; c=relaxed/simple; bh=Q568/Atxc3uRCYuNB30ghLL5okL8avGsDzwxsP3zbdo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=X2PYKM4tPA9f3ibV3yx/dWlvW5rIp2UtopaGdcJcqSgtKszAPYbNcANfBX6tF3DKXGK42hM7TsmQ/JZacOP4LM8zzVH+Snt9rBye80eNkgbV2EskxFGEm2Hs/0VrZiFDUzMutbJWovvypanvvMiufeiCxEAufnn8qrOfHSb3+5w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=YIrQPtlk; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="YIrQPtlk" Received: from localhost.localdomain (93-61-96-190.ip145.fastwebnet.it [93.61.96.190]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 138B81B37; Fri, 24 May 2024 16:00:33 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1716559233; bh=Q568/Atxc3uRCYuNB30ghLL5okL8avGsDzwxsP3zbdo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YIrQPtlkj6AHM1CiDlRo75cfPlxWJOJKmBM6v/DWDCI+gHg89FTRZL8ycDLiwkggb nATLvJe7LzvLo+LTU2Xyq+avyaWk4AK4LN1qiy7DBmZSvuoy76RGu6lZhyqI2njjSb CfumsX2Yglpvz0LlAIYMoCHT/0cEt3noVVl3ONAE= From: Jacopo Mondi To: Linux Media Mailing List Cc: Jacopo Mondi , David Plowman , Naushir Patuck , Nick Hollinghurst , Dave Stevenson , Tomi Valkeinen , Laurent Pinchart , Kieran Bingham , Sakari Ailus , Hans Verkuil , Mauro Carvalho Chehab Subject: [PATCH v7 2/8] media: uapi: Add a pixel format for BGR48 and RGB48 Date: Fri, 24 May 2024 16:00:17 +0200 Message-ID: <20240524140024.161313-3-jacopo.mondi@ideasonboard.com> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240524140024.161313-1-jacopo.mondi@ideasonboard.com> References: <20240524140024.161313-1-jacopo.mondi@ideasonboard.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add BGR48 and RGB48 16-bit per component image formats. Signed-off-by: Jacopo Mondi Reviewed-by: Kieran Bingham Reviewed-by: Naushir Patuck --- .../userspace-api/media/v4l/pixfmt-rgb.rst | 54 +++++++++++++++++++ drivers/media/v4l2-core/v4l2-common.c | 2 + drivers/media/v4l2-core/v4l2-ioctl.c | 2 + include/uapi/linux/videodev2.h | 2 + 4 files changed, 60 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/pixfmt-rgb.rst b/Documentation/userspace-api/media/v4l/pixfmt-rgb.rst index b71b80d634d6..5ed4d62df909 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-rgb.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-rgb.rst @@ -996,6 +996,60 @@ arranged in little endian order. \normalsize +16 Bits Per Component +===================== + +These formats store an RGB triplet in six bytes, with 16 bits per component +stored in memory in little endian byte order. They are named based on the order +of the RGB components as stored in memory. For instance, RGB48 stores R\ +:sub:`7:0` and R\ :sub:`15:8` in bytes 0 and 1 respectively. This differs from +the DRM format nomenclature that instead uses the order of components as seen in +the 48-bits little endian word. + +.. raw:: latex + + \small + +.. flat-table:: RGB Formats With 16 Bits Per Component + :header-rows: 1 + + * - Identifier + - Code + - Byte 0 + - Byte 1 + - Byte 2 + - Byte 3 + - Byte 4 + - Byte 5 + + * .. _V4L2-PIX-FMT-BGR48: + + - ``V4L2_PIX_FMT_BGR48`` + - 'BGR6' + + - B\ :sub:`7-0` + - B\ :sub:`15-8` + - G\ :sub:`7-0` + - G\ :sub:`15-8` + - R\ :sub:`7-0` + - R\ :sub:`15-8` + + * .. _V4L2-PIX-FMT-RGB48: + + - ``V4L2_PIX_FMT_RGB48`` + - 'RGB6' + + - R\ :sub:`7-0` + - R\ :sub:`15-8` + - G\ :sub:`7-0` + - G\ :sub:`15-8` + - B\ :sub:`7-0` + - B\ :sub:`15-8` + +.. raw:: latex + + \normalsize + Deprecated RGB Formats ====================== diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c index 4165c815faef..0a2f4f0d0a07 100644 --- a/drivers/media/v4l2-core/v4l2-common.c +++ b/drivers/media/v4l2-core/v4l2-common.c @@ -253,6 +253,8 @@ 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 }, .bpp_div = { 1, 1, 1, 1 }, .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 }, .bpp_div = { 1, 1, 1, 1 }, .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 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 }, + { .format = V4L2_PIX_FMT_BGR48, .pixel_enc = V4L2_PIXEL_ENC_RGB, .mem_planes = 1, .comp_planes = 1, .bpp = { 6, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 }, + { .format = V4L2_PIX_FMT_RGB48, .pixel_enc = V4L2_PIXEL_ENC_RGB, .mem_planes = 1, .comp_planes = 1, .bpp = { 6, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .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 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 }, { .format = V4L2_PIX_FMT_RGBA1010102, .pixel_enc = V4L2_PIXEL_ENC_RGB, .mem_planes = 1, .comp_planes = 1, .bpp = { 4, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 }, { .format = V4L2_PIX_FMT_RGBX1010102, .pixel_enc = V4L2_PIXEL_ENC_RGB, .mem_planes = 1, .comp_planes = 1, .bpp = { 4, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 }, diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 4c76d17b4629..ee97643ff3a7 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1307,6 +1307,8 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_PIX_FMT_RGBX1010102: descr = "32-bit RGBX 10-10-10-2"; break; 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: descr = "48-bit BGR 16-16-16"; break; + case V4L2_PIX_FMT_RGB48: descr = "48-bit RGB 16-16-16"; 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; diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index fe6b67e83751..dd6876380fe3 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -582,6 +582,8 @@ 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_BGR48 v4l2_fourcc('B', 'G', 'R', '6') /* 48 BGR 16-bit per component */ +#define V4L2_PIX_FMT_RGB48 v4l2_fourcc('R', 'G', 'B', '6') /* 48 RGB 16-bit per component */ #define V4L2_PIX_FMT_ABGR64_12 v4l2_fourcc('B', '4', '1', '2') /* 64 BGRA 12-bit per component */ /* Grey formats */