From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) (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 CF6922E03E1 for ; Mon, 25 Aug 2025 09:51:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.20 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756115518; cv=none; b=RZu55SWaHgtKFiQXGPkurcKxU/hh/4I097MI1myHtiPB4Jdi2q2BawfrkqOdPhZ5I88iLKMGTQsDkBKO4/UKUQSqCZmumRxfi/CRLwz8aKuTKiUw8vwUhQY3e6SMaJMBOpkGPKpaPU+AfDdxj+lltXzs6+wEiBdH5MbotRwVQYU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756115518; c=relaxed/simple; bh=H3CTGjYs3TxJoTvmZDjqCNtYPeLUKmp6JgvxcHF3uzY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=RZe2RyZ24mjvf5tdLIK+ntfwBA05E2xdve0Uxcm0kQgtCddxJwif2CEtex4LE13PJxUXvYcMpqRThpO9AJm9erwKuyyg+7Tmw2UCilAmx1a6n5ZGx76VSs+cIzbbFPtT2Qwyob6IvpDAzCLF5F5d/v21VaK0lbWMphesr7rmODw= 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=lqDcUOQV; arc=none smtp.client-ip=198.175.65.20 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="lqDcUOQV" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1756115517; x=1787651517; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=H3CTGjYs3TxJoTvmZDjqCNtYPeLUKmp6JgvxcHF3uzY=; b=lqDcUOQVCOOSlePy6b48MutIA+dWPnYIG9bH1n/ngwQnnBG5mOrrceUR QZcdXI6zRCA6jZwErUmSbm3xJSteaVH59tSFhAQN7q2E2AVC149NAHDA9 idHoRLrO9WFE+aGDBDHkumspSWYKATxxIMwpRsE07IkFOgfNmSuQ9mqwl jJN5ilJBHVCFg8nzHqUFYQgKcHWTztHBIejjGXDnLnSHiVN+3EG2dChSH /U8AIvdPka4o1JPAuEmM/pfagLXd2kpSaJVEqe2bojph402X0vXmsbZQU d8BOKo7u6OvVykwYOw2mSqC7uTsHiqMAM/kv0ZSxuPxTqEUl16/VqBche Q==; X-CSE-ConnectionGUID: vuucajjDRzeR+G+w9hfBOg== X-CSE-MsgGUID: nSRXBgnrT2COvBmzhaMuKg== X-IronPort-AV: E=McAfee;i="6800,10657,11532"; a="58032347" X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="58032347" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Aug 2025 02:51:46 -0700 X-CSE-ConnectionGUID: sNX9XoMlTtKr+801CFjDTQ== X-CSE-MsgGUID: Iq7NaFlTSKKEVL0s5XsvKg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="173431105" Received: from vpanait-mobl.ger.corp.intel.com (HELO kekkonen.fi.intel.com) ([10.245.245.7]) by ORVIESA003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Aug 2025 02:51:38 -0700 Received: from punajuuri.localdomain (unknown [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id BE845121FF7; Mon, 25 Aug 2025 12:51:08 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.98.2) (envelope-from ) id 1uqTr2-00000005agu-37ss; 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 46/66] media: uapi: Add metadata layout for ov2740 embedded data Date: Mon, 25 Aug 2025 12:50:47 +0300 Message-ID: <20250825095107.1332313-47-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 Add a metadata layout for ov2740 camera sensor embedded data and document it. Signed-off-by: Sakari Ailus Reviewed-by: Julien Massot --- .../media/v4l/ext-ctrls-image-source.rst | 3 + .../media/v4l/metadata-layouts.rst | 72 +++++++++++++++++++ include/uapi/linux/v4l2-controls.h | 1 + 3 files changed, 76 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-image-source.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-image-source.rst index 371c155a88f7..ced358d7c250 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-image-source.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-image-source.rst @@ -165,3 +165,6 @@ Image Source Control IDs * - V4L2_METADATA_LAYOUT_CCS - :ref:`CCS embedded data ` - 1 + * - V4L2_METADATA_LAYOUT_OV2740 + - :ref:`OV2740 embedded data ` + - 2 diff --git a/Documentation/userspace-api/media/v4l/metadata-layouts.rst b/Documentation/userspace-api/media/v4l/metadata-layouts.rst index a4f7e93e6a29..e667148cc3cb 100644 --- a/Documentation/userspace-api/media/v4l/metadata-layouts.rst +++ b/Documentation/userspace-api/media/v4l/metadata-layouts.rst @@ -39,3 +39,75 @@ format" (code ``0xa``) but their use may be extended further in the future, to cover other CCS embedded data format codes. Also see :ref:`CCS driver documentation `. + +.. _media-metadata-layout-ov2740: + +Omnivision OV2740 Embedded Data Layout (``V4L2_METADATA_LAYOUT_OV2740``) +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The Omnivision OV2740 camera sensor produces the following embedded data layout, +indicated by ``V4L2_METADATA_LAYOUT_CCS`` metadata layout. The format conforms +to :ref:`CCS embedded data layout ` up to level 1. + +.. flat-table:: Omnivision OV2740 Embedded Data Layout. Octets at indices marked + reserved or unused have been omitted from the table. The values + are big endian byte order. + :header-rows: 1 + + * - Offset + - Size in bits (active bits if not the same as size) + - Content description + * - 4 + - 16 (10--0) + - Analogue gain + * - 6 + - 16 + - Coarse integration time + * - 10 + - 8 + - Dpc correction threshold + * - 15 + - 16 + - Output image width + * - 17 + - 16 + - Output image height + * - 23 + - 8 + - MIPI header revision number (2) + * - 31 + - 8 + - Vertical (bit 1) and horizontal flip (bit 0) + * - 32 + - 8 + - Frame duration A + * - 33 + - 8 + - Frame duration B + * - 34 + - 8 + - Context count (2) + * - 35 + - 8 + - Context select + * - 54 + - 8 + - Data pedestal bits 9--2 + * - 63 + - 8 + - Frame average bits 9--2 + * - 64 + - 16 + - Digital gain red + * - 66 + - 16 + - Digital gain greenr + * - 68 + - 16 + - Digital gain blue + * - 70 + - 16 + - Digital gain greenb + * - 89 + - 8 + - Frame counter (starts at 1, wraps to 0 after 255) diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h index 51d43d4a3151..bac2fdcbd202 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -1244,6 +1244,7 @@ enum v4l2_jpeg_chroma_subsampling { #define V4L2_CID_METADATA_LAYOUT (V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 12) #define V4L2_METADATA_LAYOUT_CCS 1U +#define V4L2_METADATA_LAYOUT_OV2740 2U /* Image processing controls */ -- 2.47.2