From patchwork Mon Mar 18 15:49:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 13595499 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2481EC54E5D for ; Mon, 18 Mar 2024 15:51:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=YpNGT2ID5XM4gq+ILowpX4GoeYU1bV0l+jJX5+0NnOk=; b=rIiWddlW21bQUo A/5nWiouM19xDCtQO4rNWyXxdUPO8aSoSsFfEUx6XPjYl1oWGwAi7f9b1qG6P1KCKgC0gf5hhGHDb skNyZkaFohPc2jKvBvGJQonxsli6g7UkEUoPCMdACery4JrCr+yhlMUfsn95B1WSoI1RivSU26WAG gsV9xQ2NWsPMCQtRimiOL6+6wq3oB5nzuBljSE7VJuVOV22U3ILehgTW9U2bhDYVCCy70Af2mnx1B vHWZ2NI00fzK/DmXFX35vvkQrvEkcXOtSo6p0qT/uf+rmhCzj1AzSBGwlKZVhVQii/caSu6JysIAq tSIxnu/QM2AXCxdAmIXA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rmFGe-000000096KA-1VZn; Mon, 18 Mar 2024 15:51:16 +0000 Received: from perceval.ideasonboard.com ([213.167.242.64]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rmFGY-000000096HZ-3SZu; Mon, 18 Mar 2024 15:51:12 +0000 Received: from [127.0.1.1] (91-154-34-181.elisa-laajakaista.fi [91.154.34.181]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id D8BC11B1C; Mon, 18 Mar 2024 16:50:40 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1710777041; bh=vFEF/OGYpnkktObt7GRCXvKVIPiNuH/3wZneowmoO2I=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Z8+NyVtn4em2i8blDUKcsmGRiU2QTA1dCqc9g/+vwZwvB2kX90wnbaFEA8aGp7QD5 1lxa7Z2SJO2sai/M87Xs761h0XkLnO1r3I9u8Hsg+R7nt7kHdDLD5N7sNnDR7Bifu1 rTdXPWHb3O3gL/IV1FDgHuzlVlW0lnFNN1MaOE2g= From: Tomi Valkeinen Date: Mon, 18 Mar 2024 17:49:56 +0200 Subject: [PATCH 1/4] media: uapi: Add meta formats for PiSP FE config and stats MIME-Version: 1.0 Message-Id: <20240318-rp1-cfe-v1-1-ac6d960ff22d@ideasonboard.com> References: <20240318-rp1-cfe-v1-0-ac6d960ff22d@ideasonboard.com> In-Reply-To: <20240318-rp1-cfe-v1-0-ac6d960ff22d@ideasonboard.com> To: Mauro Carvalho Chehab , Raspberry Pi Kernel Maintenance , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list 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=4239; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=vFEF/OGYpnkktObt7GRCXvKVIPiNuH/3wZneowmoO2I=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBl+GLoQiGKkmp9T7eCWGA0g1jd2pCFPuauIw9ss DsaPZybQv2JAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZfhi6AAKCRD6PaqMvJYe 9Tx1D/oCn/zaGnZu1Jl5GazYhG6+m1v2p2UYXJ9gKHErKw3w8Ni1zRRN+PuXU/SLqkApEDY+4ez ww/b87Royxd6h8nQK5CCVef65kVWn0lBMoNKhb/YVNlEYGlDvwez/dowkhzCfQrU1k0RRJVAFl2 EEKIV4g/1EkZEwritusWQ8ST9F9KOf5hCY5F+2/DPd3zaqSJKhbr5nOSxedBjqp+cHtj5tngGqS 92nA9vnnR6i0UbtkPGjFbLzmC0Ap+oKjGISvcSSpXZLuIQh1GKgJtfFzC0NEkHj0YJ3vCd9s0nO c1V/BwZUqqa/4HMBInwvaD1JIcLgFJxIXtOfL8Sk9NwRNAsuyjaUx4f4/GMLkRnpViq8j2H/5b9 qm9kNZm2wzLlrDenS3KWSEd0lJhM04FZCtNw3yUvme4oOq2mRpCYI+8BHdqUZnNZ8HHU6DQUkFF 95IKT8tRkPELM4OVm1nkH7Rzw3w3e2F8NOXPpLDLM50Bi4coWvmLnGraCEWvi0tTO1K/n3nDJZU RkaTFeeBB3h4Unxf5W0p5yHDxzE0Qkw4qkBcYHXVQDHMfwkht21hanbA4ULSHv98Mty9nVzSFUP ndzXIAoB7zUPou9Hjc/Yt0J45o8NVNmWHDBoTWIqRSw5UKBgyLYoaZ+akm79mzl87DHu05PIn0E aBEIVfH1Fgp2mvA== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240318_085111_048660_02FE114D X-CRM114-Status: GOOD ( 16.52 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 d82a5a9cbd2f..19493c579a8c 100644 --- a/Documentation/userspace-api/media/v4l/meta-formats.rst +++ b/Documentation/userspace-api/media/v4l/meta-formats.rst @@ -15,6 +15,7 @@ These formats are used for the :ref:`metadata` interface only. metafmt-d4xx metafmt-intel-ipu3 metafmt-pisp-be + metafmt-pisp-fe metafmt-rkisp1 metafmt-uvc metafmt-vsp1-hgo 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 0b4f5372c217..1d44303b7e81 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1465,6 +1465,8 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_META_FMT_GENERIC_CSI2_20: descr = "8b Generic Meta, 20b CSI-2"; break; case V4L2_META_FMT_GENERIC_CSI2_24: descr = "8b Generic Meta, 24b CSI-2"; 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; default: /* Compressed formats */ diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 1eb60baeb3ea..ad1a519eefe5 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -865,6 +865,8 @@ 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') +#define V4L2_META_FMT_RPI_FE_STATS v4l2_fourcc('R', 'P', 'F', 'S') /* priv field value to indicates that subsequent fields are valid. */ #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe