From patchwork Thu Aug 15 07:28:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 13764464 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 9CB4342AB1; Thu, 15 Aug 2024 07:30:00 +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=1723707002; cv=none; b=m2PGXMYQflZcOa7JaWFUpwd/8AS8UGlToRnIZKLQSn/le/gsYLSGq8KjAzjyWHSznjduW/z1fp5vFgDTzuz9gin2lPUYpRkF9eKoWgnYOxnzM/baqzWtdcfooYdL9zkFvLHgXioNXVvnowxHOouNIkVqeJCfg7lo2q0QrdJvjLg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723707002; c=relaxed/simple; bh=bn7hb6abGotN+zJtZ8HsRWN0WBNQG9WEsGLPob3ZvdA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=YaGHnIB5ae4NLR9gxThfIXaCqSU8xo0rAaxMYlYbxyumgHJtwN0ruumXEoDinQ3RoCgDpbIE0UyjblqxxtAalaaczrQXtRNyzsfz4qH76bSJr3JENBV4Kr6M+GmLhykVdA7DbDZpmVGcawyzLuywqp7gIuDFBQIy+/1YqzLSKU0= 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=Z4vlJVxs; 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="Z4vlJVxs" Received: from [127.0.1.1] (91-156-87-48.elisa-laajakaista.fi [91.156.87.48]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 180A6827; Thu, 15 Aug 2024 09:28:54 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1723706935; bh=bn7hb6abGotN+zJtZ8HsRWN0WBNQG9WEsGLPob3ZvdA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Z4vlJVxsoddUbNjmQ/ZWgs6CXr4epUbUWq2TSIb0cOEZEglXF4JA8TJb2Xrj8L+Ob FbMfa6l1zefPIGpouCGMLK97+kkwfVbEpcujVDZr4dYRBR4KiBCBWfX1yeBRrpbCfc /qMmjm1kjyb8MaTLCKz2mpT5bOT24BNtQB9QHD2E= From: Tomi Valkeinen Date: Thu, 15 Aug 2024 10:28:52 +0300 Subject: [PATCH v3 1/4] media: uapi: Add meta formats for PiSP FE config and stats Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240815-rp1-cfe-v3-1-e15a979db327@ideasonboard.com> References: <20240815-rp1-cfe-v3-0-e15a979db327@ideasonboard.com> In-Reply-To: <20240815-rp1-cfe-v3-0-e15a979db327@ideasonboard.com> To: Mauro Carvalho Chehab , Raspberry Pi Kernel Maintenance , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list , Rob Herring , Krzysztof Kozlowski Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Naushir Patuck , Laurent Pinchart , Sakari Ailus , Jacopo Mondi , Kieran Bingham , Tomi Valkeinen X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=4361; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=bn7hb6abGotN+zJtZ8HsRWN0WBNQG9WEsGLPob3ZvdA=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBmva5tVrV/zbUmV/w0YCQBIy1PpG4gVa+i3UJob vY4J02iYkSJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZr2ubQAKCRD6PaqMvJYe 9dR/D/9NeBqAi3Q9TBQvPDqtI78pv/0U1xeMmHnVZvqOLYrFVdPDwwWQJOZT6T1RjZmlMy2DZ1o ybm4yA3PqIXtFsdiAQRtYsBww6H/RqcBxIvOe0Yiul9DYx9ZS92GGD+A5IqfOChndRYcs/0ImGf ZqIwpygk3uO9K57HLhBbJiJEH1ubpi2z3pq+Fb9/wRrtzaYaUUVrAKmLfk42gbSKezgdVhFH/Pe /qxA+OSb3IJktAmuUd+fiO+XHdT4STxwXvmnABjdSkra0tGuAPca0tvt3QwodO3zrzCri5bRAdG 97TozN1KG9m5UdSsemga8JKoKWMJ8z5lJjEjQ/BANPhL39xi2Y6MIYkeLOLcMWSYzOcghKRc00m e0aKJOEq5DVgCx841OZw2ntYsZ/IMHwKMUt5SvXOYf0fUU/qUWlPUXdg/iYVpuPNNOMF7bAVFsv a7CV1QtMT55lYvYQ8zi/9AO+SBklEpiUuYud7QVVgh4BphtuV6+R39cRhuPg7rrFynsZhJupufG 5RMW1CwJPUuCFQTcpvQkXwYR/dFPf+6FAkGFmr5/gIVfbwvnD4WvcEX/Z72W6y4s1QCvp9hz4/E b8R/PwOEAFi6g9BQH72+MLb+oFI8zc4oht+LAfPQvypx3TCDBVSwkbuW60ObFvNeZcZsf2NqZgi 1AjcM3OphMxzIyw== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 Add two meta formats for PiSP FE: V4L2_META_FMT_RPI_FE_CFG and V4L2_META_FMT_RPI_FE_STATS. The former is used to provide configuration for the FE and the latter is used to read the statistics from the FE. Signed-off-by: Tomi Valkeinen --- .../userspace-api/media/v4l/meta-formats.rst | 1 + .../userspace-api/media/v4l/metafmt-pisp-fe.rst | 39 ++++++++++++++++++++++ drivers/media/v4l2-core/v4l2-ioctl.c | 2 ++ include/uapi/linux/videodev2.h | 2 ++ 4 files changed, 44 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/meta-formats.rst b/Documentation/userspace-api/media/v4l/meta-formats.rst index c6e56b5888bc..86ffb3bc8ade 100644 --- a/Documentation/userspace-api/media/v4l/meta-formats.rst +++ b/Documentation/userspace-api/media/v4l/meta-formats.rst @@ -16,6 +16,7 @@ These formats are used for the :ref:`metadata` interface only. metafmt-generic metafmt-intel-ipu3 metafmt-pisp-be + metafmt-pisp-fe metafmt-rkisp1 metafmt-uvc metafmt-vivid diff --git a/Documentation/userspace-api/media/v4l/metafmt-pisp-fe.rst b/Documentation/userspace-api/media/v4l/metafmt-pisp-fe.rst new file mode 100644 index 000000000000..fddeada83e4a --- /dev/null +++ b/Documentation/userspace-api/media/v4l/metafmt-pisp-fe.rst @@ -0,0 +1,39 @@ +.. SPDX-License-Identifier: GPL-2.0 + +.. _v4l2-meta-fmt-rpi-fe-cfg: + +************************ +V4L2_META_FMT_RPI_FE_CFG +************************ + +Raspberry Pi PiSP Front End configuration format +================================================ + +The Raspberry Pi PiSP Front End image signal processor is configured by +userspace by providing a buffer of configuration parameters to the +`rp1-cfe-fe-config` output video device node using the +:c:type:`v4l2_meta_format` interface. + +The `Raspberry Pi PiSP technical specification +`_ +provide detailed description of the Front End configuration and programming +model. + +.. _v4l2-meta-fmt-rpi-fe-stats: + +************************** +V4L2_META_FMT_RPI_FE_STATS +************************** + +Raspberry Pi PiSP Front End statistics format +============================================= + +The Raspberry Pi PiSP Front End image signal processor provides statistics data +by writing to a buffer provided via the `rp1-cfe-fe-stats` capture video device +node using the +:c:type:`v4l2_meta_format` interface. + +The `Raspberry Pi PiSP technical specification +`_ +provide detailed description of the Front End configuration and programming +model. diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 5eb4d797d259..95c2c4a97966 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1466,6 +1466,8 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_PIX_FMT_Y212: descr = "12-bit YUYV Packed"; break; case V4L2_PIX_FMT_Y216: descr = "16-bit YUYV Packed"; break; case V4L2_META_FMT_RPI_BE_CFG: descr = "RPi PiSP BE Config format"; break; + case V4L2_META_FMT_RPI_FE_CFG: descr = "RPi PiSP FE Config format"; break; + case V4L2_META_FMT_RPI_FE_STATS: descr = "RPi PiSP FE Statistics format"; break; case V4L2_META_FMT_GENERIC_8: descr = "8-bit Generic Metadata"; break; case V4L2_META_FMT_GENERIC_CSI2_10: descr = "8-bit Generic Meta, 10b CSI-2"; break; case V4L2_META_FMT_GENERIC_CSI2_12: descr = "8-bit Generic Meta, 12b CSI-2"; break; diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 4e91362da6da..9f68cd55248f 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -857,6 +857,8 @@ struct v4l2_pix_format { /* Vendor specific - used for RaspberryPi PiSP */ #define V4L2_META_FMT_RPI_BE_CFG v4l2_fourcc('R', 'P', 'B', 'C') /* PiSP BE configuration */ +#define V4L2_META_FMT_RPI_FE_CFG v4l2_fourcc('R', 'P', 'F', 'C') /* PiSP FE configuration */ +#define V4L2_META_FMT_RPI_FE_STATS v4l2_fourcc('R', 'P', 'F', 'S') /* PiSP FE stats */ #ifdef __KERNEL__ /*