From patchwork Fri Apr 26 15:33:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 792494 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 6B2C1148854 for ; Fri, 26 Apr 2024 15:33:33 +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=1714145615; cv=none; b=X+n47rEqP+UZ4920Em9g+OBxD9MEq+xJzzXsdSjRDcUi+v7RmI0ufZLL8z0E39YcEOUPhMLPKkrrurUOnLsnpkAFYE8LSoZekzJwj+sJVc5jOAYzHaO3bXva52McwnGS2Y9jfyB90FyY0mfS03zpv+wsrtcvNsRlrHuEkOYp6ew= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714145615; c=relaxed/simple; bh=g3TtjgLkYlygqyNCwe8Gl6ON/BKmy/yXjDCndIobHQ4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rYIM0UwXJjvF2ZcRTrbbPf4u6y7pBBI0Yjde7Hk42+l04JmpIU2ERhwZs+kQGto7yPPJ6JX/91kQXF+lFtBSSmm8KGrTweU7wS1H0mXqHj6MxmkvvHhGEifNb0NOC4DVHpYzi01hR8NlBFHftd2IXLqHUD9L2lXVhTRybDyY9Uc= 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=MRnjVJql; 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="MRnjVJql" Received: from pendragon.ideasonboard.com (117.145-247-81.adsl-dyn.isp.belgacom.be [81.247.145.117]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 7753E2B3; Fri, 26 Apr 2024 17:32:33 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1714145553; bh=g3TtjgLkYlygqyNCwe8Gl6ON/BKmy/yXjDCndIobHQ4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MRnjVJqlKaZ3yqSqKMXBzpOfEQe5Q0xEHee1rLc9qbH/COVHYBeJ3Yj2TQ3cdH0So RVoPlMtiIjBn4X7nozqraSwwXj0TDvQc+j/xRIGiARLLCj0/1ybo+VTd+PYQMYOVDj e2HgggS3pWeoYcDJ7t2TcuWwXOf/JEBZpr856ySY= From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: Sakari Ailus , Tomi Valkeinen , bingbu.cao@intel.com, hongju.wang@intel.com, Hans Verkuil , Jacopo Mondi , Dmitry Perchanov , Ng Khai Wen , Alain Volmat Subject: [PATCH] media: uapi: v4l: Don't expose generic metadata formats to userspace Date: Fri, 26 Apr 2024 18:33:19 +0300 Message-ID: <20240426153319.26872-1-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240426085038.943733-1-sakari.ailus@linux.intel.com> References: <20240426085038.943733-1-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 The generic metadata pixel formats (V4L2_META_FMT_GENERIC_*) are meant to be used in conjunction with device-specific media bus codes. Those codes are work in progress and not available in the upstream kernel yet. To make sure the generic metadata pixel formats won't be used by userspace until we have the full infrastructure in place, keep their definition private to the kernel for now. Signed-off-by: Laurent Pinchart --- This patch can be squashed with "[PATCH v3 05/14] media: uapi: v4l: Add generic 8-bit metadata format definitions" or kept separate. --- include/uapi/linux/videodev2.h | 2 ++ 1 file changed, 2 insertions(+) base-commit: 5a6272f644afa3db2f00e77ff8b0ea9df51ea875 diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index f74aca14044f..1c0bb4f9ecac 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -842,6 +842,7 @@ struct v4l2_pix_format { #define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */ #define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */ +#ifdef __KERNEL__ /* * Line-based metadata formats. Remember to update v4l_fill_fmtdesc() when * adding new ones! @@ -853,6 +854,7 @@ struct v4l2_pix_format { #define V4L2_META_FMT_GENERIC_CSI2_16 v4l2_fourcc('M', 'C', '1', 'G') /* 16-bit CSI-2 packed 8-bit metadata */ #define V4L2_META_FMT_GENERIC_CSI2_20 v4l2_fourcc('M', 'C', '1', 'K') /* 20-bit CSI-2 packed 8-bit metadata */ #define V4L2_META_FMT_GENERIC_CSI2_24 v4l2_fourcc('M', 'C', '1', 'O') /* 24-bit CSI-2 packed 8-bit metadata */ +#endif /* priv field value to indicates that subsequent fields are valid. */ #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe