From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 7627A2DA749 for ; Mon, 25 Aug 2025 09:51:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756115506; cv=none; b=BzknXf5kVQZPIZwsd4QqzbRgX3vXLFCZP77hdVY3/qjVvj0EouHrJZtSpmad/CSawZs4J/kt1C/IH5LllNPFgi9KhD+uJIJySJD5paDSrS8ZR1pK5wAYFFmig9IpSRcdwSUeHNRtXoj5wFh5SlbLUR8Vj5ES5bnRn5XWFBVgGHY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756115506; c=relaxed/simple; bh=LrSFvggoAa0mIlFPEe+q2VPlT24lxQ1ExnGHOHIimjY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WwA4AA5NLJFFJfEl6N+TYMpBbvviwS3X0BDeWE2q6Yb4fEwwRV9wZxvb00tArjxgSFp4rkDunEe2ux0bcxEdZwLTei6jzmyWMv0CEo6vT35L0JYaTyF9GU1H2n4GmdHIf4sh28KqQrAbhkycjCD7wtQeLRtNyPXtm+luQZa2eS0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=TDFWkP6q; arc=none smtp.client-ip=192.198.163.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="TDFWkP6q" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1756115504; x=1787651504; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=LrSFvggoAa0mIlFPEe+q2VPlT24lxQ1ExnGHOHIimjY=; b=TDFWkP6qeVH5m2siJMt+8ceCzJ49IAsIhLrld3dY7bHQ9PKmKnF52cLu /+C3UVGBp4VkQHQU7RhEv73QNpHOI8AvMrYwNwOuH81FSn8o1FJAsuWWO MztrwMhXOenJJ3jwHw/Dd+1UReB7GwmuFIshGIFqeuevhgLIFcPvmL451 nhhPtR6leTrT+UzkorweMZ6I1A42XjgtnM00ohzGln50rUR9jwsrRWXxS TbMqWAatlUn+nJpyV+bcjbtU/8KzusQPVEpSFv/5Qz7ut1jDaFfKMmP/L KYmcbBOjh2pnjLyNLuNQEME689TSbGONo8yd7fSdnsTbfgxukLhBwnf3j w==; X-CSE-ConnectionGUID: AKU/58lvR22ol/icodvkSg== X-CSE-MsgGUID: a349yf28TkmX1tjPyg6O3g== X-IronPort-AV: E=McAfee;i="6800,10657,11532"; a="69696073" X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="69696073" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Aug 2025 02:51:37 -0700 X-CSE-ConnectionGUID: ommfbK0HQUK7Jxbcxsmr/g== X-CSE-MsgGUID: a0v/n4O1SVaSuUZS3ZSEAA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="200195516" Received: from vpanait-mobl.ger.corp.intel.com (HELO kekkonen.fi.intel.com) ([10.245.245.7]) by orviesa002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Aug 2025 02:51:28 -0700 Received: from punajuuri.localdomain (unknown [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id 74448121FDD; Mon, 25 Aug 2025 12:51:08 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.98.2) (envelope-from ) id 1uqTr2-00000005afS-1qjX; Mon, 25 Aug 2025 12:51:08 +0300 Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo From: Sakari Ailus To: linux-media@vger.kernel.org Cc: hans@jjverkuil.nl, laurent.pinchart@ideasonboard.com, Prabhakar , Kate Hsuan , Alexander Shiyan , Dave Stevenson , Tommaso Merciai , Umang Jain , Benjamin Mugnier , Sylvain Petinot , Christophe JAILLET , Julien Massot , Naushir Patuck , "Yan, Dongcheng" , "Cao, Bingbu" , "Qiu, Tian Shu" , "Wang, Hongju" , Stefan Klug , Mirela Rabulea , =?UTF-8?q?Andr=C3=A9=20Apitzsch?= , Heimir Thor Sverrisson , Kieran Bingham , Stanislaw Gruszka , Mehdi Djait , Ricardo Ribalda Delgado , Hans de Goede , Jacopo Mondi , Tomi Valkeinen Subject: [PATCH v11 28/66] media: Documentation: Document non-CCS use of CCS embedded data layout Date: Mon, 25 Aug 2025 12:50:29 +0300 Message-ID: <20250825095107.1332313-29-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250825095107.1332313-1-sakari.ailus@linux.intel.com> References: <20250825095107.1332313-1-sakari.ailus@linux.intel.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The CCS embedded data layout has multiple aspects (packing, encoding and the rest, including register addresses and semantics). Explicitly allow non-compliant embedded data to use the two former to reduce redundant documentation. Signed-off-by: Sakari Ailus Reviewed-by: Laurent Pinchart --- .../userspace-api/media/drivers/camera-sensor.rst | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/userspace-api/media/drivers/camera-sensor.rst b/Documentation/userspace-api/media/drivers/camera-sensor.rst index a719c6f88f11..cbbfbb0d8273 100644 --- a/Documentation/userspace-api/media/drivers/camera-sensor.rst +++ b/Documentation/userspace-api/media/drivers/camera-sensor.rst @@ -137,3 +137,15 @@ In general, changing the embedded data layout from the driver-configured values is not supported. The height of the metadata is device-specific and the width is that (or less of that) of the image width, as configured on the pixel data stream. + +CCS and non-CCS embedded data layout +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Embedded data which is fully compliant with CCS definitions uses ``CCS embedded +data layout `` (level 3) for :ref:`the metadata +layout control `. Device-specific embedded +data compliant with either MIPI CCS embedded data levels 1 or 2 only shall not +use CCS embedded data mbus code, but may refer to CCS embedded data +documentation with the level of conformance specified and omit documenting these +aspects of the layout. The rest of the device-specific embedded data layout is +documented in the context of the data layout itself. -- 2.47.2