From patchwork Wed Jan 31 16:47:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Scally X-Patchwork-Id: 769040 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 EF4E712BE8D; Wed, 31 Jan 2024 16:47:26 +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=1706719648; cv=none; b=Ja8HTct3b4Wj89Z8C920yRf1/VToqN/h07g/cgPAwICeg/OBfkrgCARtPsgbPJk2K5suOItjjmKds1Ju7A6XLh/JsuB0QhGgLeL10blU1gHmTcot68yn8P3wlb9UwQCo/z9PL1ErG7o84vTAO68hmLbycku5dSqrRIldm3QLW8U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706719648; c=relaxed/simple; bh=W0zEwDZsZyBf5KZFUmQqo9j/rCiLONK0+2CN/3NIpPU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=GC/jeeIH1peVp+xF7Y2X4aK0hLnJ2udoBpBBmOMjxnjQQeB9fNCo/kRVrRelQ1R2cg9Jkdu+9CG02X/yabiwK9CWeLcJH6qvSkwzNBX6ie5p/rdQ/RT5Y/fXrKlT9u09rfNpivkQHIPOirvlnYAj9mb0JK82kXglTG7fdK6/1ik= 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=mdXZa84j; 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="mdXZa84j" Received: from mail.ideasonboard.com (cpc141996-chfd3-2-0-cust928.12-3.cable.virginm.net [86.13.91.161]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 29F844AB0; Wed, 31 Jan 2024 17:46:05 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1706719565; bh=W0zEwDZsZyBf5KZFUmQqo9j/rCiLONK0+2CN/3NIpPU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mdXZa84jzWx2xq+ZBjL7vFkg+KKRkFPR213BP7HDbGOlgJDVwrgxC4m5zht+XDXDg emH1f4w+RKAj3y9xPxL8DvJuZjoqi3LR+kzQ11hF6tiaCQboKzX+M9EEeA4QWY9GMW uz3frcj060BPOJel/Jws6dv+TytCJaFzP3y7hcy8= From: Daniel Scally To: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: jacopo.mondi@ideasonboard.com, nayden.kanchev@arm.com, robh+dt@kernel.org, mchehab@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, jerome.forissier@linaro.org, kieran.bingham@ideasonboard.com, laurent.pinchart@ideasonboard.com, Daniel Scally Subject: [PATCH 1/5] media: uapi: Add MEDIA_BUS_FMT_RGB202020_1X60 format code Date: Wed, 31 Jan 2024 16:47:05 +0000 Message-Id: <20240131164709.810587-2-dan.scally@ideasonboard.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240131164709.810587-1-dan.scally@ideasonboard.com> References: <20240131164709.810587-1-dan.scally@ideasonboard.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The Mali-C55 ISP by ARM requires 20-bits per colour channel input on the bus. Add a new media bus format code to represent it. Acked-by: Nayden Kanchev Signed-off-by: Daniel Scally --- .../media/v4l/subdev-formats.rst | 168 ++++++++++++++++++ include/uapi/linux/media-bus-format.h | 3 +- 2 files changed, 170 insertions(+), 1 deletion(-) diff --git a/Documentation/userspace-api/media/v4l/subdev-formats.rst b/Documentation/userspace-api/media/v4l/subdev-formats.rst index eb3cd20b0cf2..269b61926855 100644 --- a/Documentation/userspace-api/media/v4l/subdev-formats.rst +++ b/Documentation/userspace-api/media/v4l/subdev-formats.rst @@ -2223,6 +2223,174 @@ The following table list existing packed 48bit wide RGB formats. \endgroup +The following table list existing packed 60bit wide RGB formats. + +.. tabularcolumns:: |p{4.0cm}|p{0.7cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}| + +.. _v4l2-mbus-pixelcode-rgb-60: + +.. raw:: latex + + \begingroup + \tiny + \setlength{\tabcolsep}{2pt} + +.. flat-table:: 60bit RGB formats + :header-rows: 3 + :stub-columns: 0 + :widths: 36 7 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 + + * - Identifier + - Code + - + - :cspan:`31` Data organization + * - + - + - Bit + - + - + - + - + - 59 + - 58 + - 57 + - 56 + - 55 + - 54 + - 53 + - 52 + - 51 + - 50 + - 49 + - 48 + - 47 + - 46 + - 45 + - 44 + - 43 + - 42 + - 41 + - 40 + - 39 + - 38 + - 37 + - 36 + - 35 + - 34 + - 33 + - 32 + * - + - + - + - 31 + - 30 + - 29 + - 28 + - 27 + - 26 + - 25 + - 24 + - 23 + - 22 + - 21 + - 20 + - 19 + - 18 + - 17 + - 16 + - 15 + - 14 + - 13 + - 12 + - 11 + - 10 + - 9 + - 8 + - 7 + - 6 + - 5 + - 4 + - 3 + - 2 + - 1 + - 0 + * .. _MEDIA-BUS-FMT-RGB202020-1X60: + + - MEDIA_BUS_FMT_RGB202020_1X60 + - 0x1026 + - + - + - + - + - + - r\ :sub:`19` + - r\ :sub:`18` + - r\ :sub:`17` + - r\ :sub:`16` + - r\ :sub:`15` + - r\ :sub:`14` + - r\ :sub:`13` + - r\ :sub:`12` + - r\ :sub:`11` + - r\ :sub:`10` + - r\ :sub:`8` + - r\ :sub:`8` + - r\ :sub:`7` + - r\ :sub:`6` + - r\ :sub:`5` + - r\ :sub:`4` + - r\ :sub:`3` + - r\ :sub:`2` + - r\ :sub:`1` + - r\ :sub:`0` + - g\ :sub:`19` + - g\ :sub:`18` + - g\ :sub:`17` + - g\ :sub:`16` + - g\ :sub:`15` + - g\ :sub:`14` + - g\ :sub:`13` + - g\ :sub:`12` + * - + - + - + - g\ :sub:`11` + - g\ :sub:`10` + - g\ :sub:`9` + - g\ :sub:`8` + - g\ :sub:`7` + - g\ :sub:`6` + - g\ :sub:`5` + - g\ :sub:`4` + - g\ :sub:`3` + - g\ :sub:`2` + - g\ :sub:`1` + - g\ :sub:`0` + - b\ :sub:`19` + - b\ :sub:`18` + - b\ :sub:`17` + - b\ :sub:`16` + - b\ :sub:`15` + - b\ :sub:`14` + - b\ :sub:`13` + - b\ :sub:`12` + - b\ :sub:`11` + - b\ :sub:`10` + - b\ :sub:`9` + - b\ :sub:`8` + - b\ :sub:`7` + - b\ :sub:`6` + - b\ :sub:`5` + - b\ :sub:`4` + - b\ :sub:`3` + - b\ :sub:`2` + - b\ :sub:`1` + - b\ :sub:`0` + +.. raw:: latex + + \endgroup + On LVDS buses, usually each sample is transferred serialized in seven time slots per pixel clock, on three (18-bit) or four (24-bit) differential data pairs at the same time. The remaining bits are used diff --git a/include/uapi/linux/media-bus-format.h b/include/uapi/linux/media-bus-format.h index f05f747e444d..8633818cc33c 100644 --- a/include/uapi/linux/media-bus-format.h +++ b/include/uapi/linux/media-bus-format.h @@ -34,7 +34,7 @@ #define MEDIA_BUS_FMT_FIXED 0x0001 -/* RGB - next is 0x1026 */ +/* RGB - next is 0x1027 */ #define MEDIA_BUS_FMT_RGB444_1X12 0x1016 #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_BE 0x1001 #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_LE 0x1002 @@ -72,6 +72,7 @@ #define MEDIA_BUS_FMT_RGB888_1X36_CPADLO 0x1021 #define MEDIA_BUS_FMT_RGB121212_1X36 0x1019 #define MEDIA_BUS_FMT_RGB161616_1X48 0x101a +#define MEDIA_BUS_FMT_RGB202020_1X60 0x1026 /* YUV (including grey) - next is 0x202f */ #define MEDIA_BUS_FMT_Y8_1X8 0x2001