From patchwork Fri Feb 9 16:48:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 13551585 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 A7D26128388 for ; Fri, 9 Feb 2024 16:48:52 +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=1707497334; cv=none; b=amwUrRYgUHdj/aoGAyoDoz+KQy2s8uOPL/SEcdV4NBMerU8skfl7FytddWEiNb0cmuEDQPuSrc1kqZLuK/HC76SdofE4+bExLwDUZygKPzsleuwqX7xIMwgwLZQlpf39n6+f8HwMKrAqqUQaIDfdUFJZcIZpTPS3LzrVbCSt27g= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707497334; c=relaxed/simple; bh=297Ddslcy/gPV+tSPhS1lhAFRGwfoWsPexvOCcidt5g=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qSWYqd5+souNJqxaev2APe6kd46/T/Hq6ihEHuN+u5VEepXMOhSZRMQhyKIWfhILcpdmWhFfG9MSriSohP8MFXhHSabP5bB0Ftdl8LvLmmQB1Kr9xUMD/4f8NljDdbZ9PE02bSzlObQo4rlVxQmHpyMV10YPMdebPlxgvaD92NY= 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=FhN15mYY; 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="FhN15mYY" Received: from localhost.localdomain (unknown [IPv6:2001:b07:5d2e:52c9:cc1e:e404:491f:e6ea]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 9936F1ADE; Fri, 9 Feb 2024 17:47:20 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1707497241; bh=297Ddslcy/gPV+tSPhS1lhAFRGwfoWsPexvOCcidt5g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FhN15mYYNUYvic+Yk+C734B8xJIAr0ahZ9rNKm1pJPFqOJ8OMBegBF0WsbS+mrsuC 1yr3Qf2eWUe2dJaYQ95S/l6ZQp+2JLde79VmfoP7YrD8JSjiGBdwqTvPoBiOMEnR1G C62zraCiwfB9xNPZ7YtBcIS+uHVVN3LAqp5zupSc= 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 2/8] media: Add a pixel format for MIPI packed 14bit luma only Date: Fri, 9 Feb 2024 17:48:17 +0100 Message-ID: <20240209164825.166800-3-jacopo.mondi@ideasonboard.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240209164825.166800-1-jacopo.mondi@ideasonboard.com> References: <20240209164825.166800-1-jacopo.mondi@ideasonboard.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Dave Stevenson This is the format used by monochrome 14bit image sensors. Signed-off-by: Dave Stevenson Signed-off-by: Jacopo Mondi --- .../userspace-api/media/v4l/pixfmt-y14p.rst | 47 +++++++++++++++++++ .../userspace-api/media/v4l/yuv-formats.rst | 1 + drivers/media/v4l2-core/v4l2-ioctl.c | 1 + include/uapi/linux/videodev2.h | 1 + 4 files changed, 50 insertions(+) create mode 100644 Documentation/userspace-api/media/v4l/pixfmt-y14p.rst diff --git a/Documentation/userspace-api/media/v4l/pixfmt-y14p.rst b/Documentation/userspace-api/media/v4l/pixfmt-y14p.rst new file mode 100644 index 000000000000..8e986bc6904f --- /dev/null +++ b/Documentation/userspace-api/media/v4l/pixfmt-y14p.rst @@ -0,0 +1,47 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later + +.. _V4L2-PIX-FMT-Y14P: + +************************** +V4L2_PIX_FMT_Y14P ('Y14P') +************************** + +Grey-scale image as a MIPI RAW14 packed array + + +Description +=========== + +This is a packed grey-scale image format with a depth of 14 bits per +pixel. Every four consecutive samples are packed into seven bytes. Each +of the first four bytes contain the eight high order bits of the pixels, +and the three following bytes contains the six least significants bits of +each pixel, in the same order. + +**Byte Order.** +Each cell is one byte. + +.. tabularcolumns:: |p{1.8cm}|p{1.0cm}|p{1.0cm}|p{1.0cm}|p{1.1cm}|p{3.3cm}|p{3.3cm}|p{3.3cm}| + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + :widths: 2 1 1 1 1 3 3 3 + + + - - start + 0: + - Y'\ :sub:`00high` + - Y'\ :sub:`01high` + - Y'\ :sub:`02high` + - Y'\ :sub:`03high` + - Y'\ :sub:`01low bits 1--0`\ (bits 7--6) + + Y'\ :sub:`00low bits 5--0`\ (bits 5--0) + + - Y'\ :sub:`02low bits 3--0`\ (bits 7--4) + + Y'\ :sub:`01low bits 5--2`\ (bits 3--0) + + - Y'\ :sub:`03low bits 5--0`\ (bits 7--2) + + Y'\ :sub:`02low bits 5--4`\ (bits 1--0) diff --git a/Documentation/userspace-api/media/v4l/yuv-formats.rst b/Documentation/userspace-api/media/v4l/yuv-formats.rst index 7c9ccfdd94cd..6104747d17d4 100644 --- a/Documentation/userspace-api/media/v4l/yuv-formats.rst +++ b/Documentation/userspace-api/media/v4l/yuv-formats.rst @@ -268,6 +268,7 @@ image. pixfmt-yuv-planar pixfmt-yuv-luma pixfmt-y12p + pixfmt-y14p pixfmt-y8i pixfmt-y12i pixfmt-uv8 diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 483498c55899..24f52485e59c 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1312,6 +1312,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_PIX_FMT_Y10BPACK: descr = "10-bit Greyscale (Packed)"; break; case V4L2_PIX_FMT_Y10P: descr = "10-bit Greyscale (MIPI Packed)"; break; case V4L2_PIX_FMT_Y12P: descr = "12-bit Greyscale (MIPI Packed)"; break; + case V4L2_PIX_FMT_Y14P: descr = "14-bit Greyscale (MIPI Packed)"; break; case V4L2_PIX_FMT_IPU3_Y10: descr = "10-bit greyscale (IPU3 Packed)"; break; case V4L2_PIX_FMT_Y8I: descr = "Interleaved 8-bit Greyscale"; break; case V4L2_PIX_FMT_Y12I: descr = "Interleaved 12-bit Greyscale"; break; diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 11ebf9b22ccb..94a0373e8234 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -599,6 +599,7 @@ struct v4l2_pix_format { #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ #define V4L2_PIX_FMT_Y12P v4l2_fourcc('Y', '1', '2', 'P') /* 12 Greyscale, MIPI RAW12 packed */ +#define V4L2_PIX_FMT_Y14P v4l2_fourcc('Y', '1', '4', 'P') /* 14 Greyscale, MIPI RAW12 packed */ #define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */ /* Palette formats */