From nobody Thu Nov 28 08:36:05 2024 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 D38D51482E9; Thu, 3 Oct 2024 10:31:48 +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=1727951510; cv=none; b=Yt1ybsqJqiJXNM5NM8SUcxH2/2dQSzrZqAyY5xnOp1edf8DK9i+XaQxACQERf4qUQPb/Ta9O7ErbrkABJuGDhsN564ynIoD4CNPfqWUbaVXjOEh1VrttadjcCEbfyyyT3qVVEjK0eOhaT2gK6vv/EJoEwVNdgQ/lApsAy1RTrsE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727951510; c=relaxed/simple; bh=bn7hb6abGotN+zJtZ8HsRWN0WBNQG9WEsGLPob3ZvdA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=FFZfAptbEosid/L4C2/ZVQXUMjeCnDyfwwTcsGXCjV7kdR4GykRDm4idX2TR2GCyju0K5fioAqtqhyjVihi+y28Hx3jyDQK9Y2xCqy1FV+AvfE4MX0JWvcuOR6JCrMtXg+1aALSRJIhFBbVWacjieu9YP0T7+y1hqSVSFD9izH4= 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=qA5j9RuH; 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="qA5j9RuH" 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 93BD04C7; Thu, 3 Oct 2024 12:30:06 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1727951407; bh=bn7hb6abGotN+zJtZ8HsRWN0WBNQG9WEsGLPob3ZvdA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=qA5j9RuH/Ax0TG6SIDxsrB1qEIBnXSiYADg3rcsDXBCvBQ256bwfOsPlYTNXJzeds QvLtEcS0JlfcNalmSvauk/+L1kYhySWKsygu9eon4KUb+Fpo5hsiVKufDuBMoQX9+a 0gl1BRVtLMtv8wOhlXnKtbyQut15ofqKl23MqnW0= From: Tomi Valkeinen Date: Thu, 03 Oct 2024 13:31:10 +0300 Subject: [PATCH v6 1/4] media: uapi: Add meta formats for PiSP FE config and stats Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241003-rp1-cfe-v6-1-d6762edd98a8@ideasonboard.com> References: <20241003-rp1-cfe-v6-0-d6762edd98a8@ideasonboard.com> In-Reply-To: <20241003-rp1-cfe-v6-0-d6762edd98a8@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/ZANAwAIAfo9qoy8lh71AcsmYgBm/nKIORtwV9dG2ttDTg2RtyiPDwkjfOjhPAeC3 QXq4t0sSAuJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZv5yiAAKCRD6PaqMvJYe 9VAHD/45zCCrOQGUFjFgTtu502pwN+Dag7IFVFY/HyE4Zwz4vIcGfIcd/mPlzsls/AjPkmUa5FV vS6FphXP0X9HfjZ0vN15SRKgerlx0FRhH+PyNRTHiTdPqye6L1V7d3w3kAeYbC1RqnBpazPXyS6 e3MrGvXNOcJyhVLvGUum8bn0xQl/YQLTDff1KYCuycORHg8mDDMOBJMf2Z6Obc1dT3Wli5WMa70 JS6SdBAS/JMmLlxk9HbiQMzJKVXYPMI9khfcXuURQheNtthJPMs4AA3LSoK5aI+Y3pv7zLw2kXg DV7jWjj8JGnVrVAmvb15nr2fHCcehEHzczuRaIF3nuyzu5ltLIV0liHq4Hh/FvDR24NuZ/NtXtm RXARMlNWgWwb4zFSmAi+JVNVb3eM7dM6SPfJU54Pk3lnC8/UWA62dYUzdfBaesNY6omYsO4jAvq QQxB1B5xJwkGxN7NgIvKVMUYDebNF/1CruZNbSsUfQgI5yOuSLlwQy1uBAbp8iv5yH/c0nYFaAp XjjvWjym1RuX6DhCyxz+qC6dUx6u14qTNRdb6TzhRt5G7Wf4bM/9G33E0BLLjph0XrJTLJwfa0o 9n2NuimO+1fetjteKCv3LkBPMM04uv90MRolpMDoOFa1oWlz0dNrPqNAiYGSVRvb8NuNCpVzGdY dBR/MU6QNEEPRYw== 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/Docum= entation/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/Do= cumentation/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 +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + +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 +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + +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 d= evice +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 =3D "12-bit YUYV Packed"; break; case V4L2_PIX_FMT_Y216: descr =3D "16-bit YUYV Packed"; break; case V4L2_META_FMT_RPI_BE_CFG: descr =3D "RPi PiSP BE Config format"; bre= ak; + case V4L2_META_FMT_RPI_FE_CFG: descr =3D "RPi PiSP FE Config format"; br= eak; + case V4L2_META_FMT_RPI_FE_STATS: descr =3D "RPi PiSP FE Statistics format= "; break; case V4L2_META_FMT_GENERIC_8: descr =3D "8-bit Generic Metadata"; break; case V4L2_META_FMT_GENERIC_CSI2_10: descr =3D "8-bit Generic Meta, 10b CS= I-2"; break; case V4L2_META_FMT_GENERIC_CSI2_12: descr =3D "8-bit Generic Meta, 12b CS= I-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 { =20 /* Vendor specific - used for RaspberryPi PiSP */ #define V4L2_META_FMT_RPI_BE_CFG v4l2_fourcc('R', 'P', 'B', 'C') /* PiSP B= E configuration */ +#define V4L2_META_FMT_RPI_FE_CFG v4l2_fourcc('R', 'P', 'F', 'C') /* PiSP F= E configuration */ +#define V4L2_META_FMT_RPI_FE_STATS v4l2_fourcc('R', 'P', 'F', 'S') /* PiSP= FE stats */ =20 #ifdef __KERNEL__ /* --=20 2.43.0