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{ "id": 24286, "url": "https://patchwork.libcamera.org/api/patches/24286/?format=api", "web_url": "https://patchwork.libcamera.org/patch/24286/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20250905-vd55g1_support-v1-2-545d39f280b2@foss.st.com>", "date": "2025-09-05T09:08:23", "name": "[2/4] ipa: rpi: Add vd55g1 support for rpi", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "2024934dd66448f587529f37899c963aeccaec7d", "submitter": { "id": 227, "url": "https://patchwork.libcamera.org/api/people/227/?format=api", "name": "Benjamin Mugnier", "email": "benjamin.mugnier@foss.st.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/24286/mbox/", "series": [ { "id": 5423, "url": "https://patchwork.libcamera.org/api/series/5423/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5423", "date": "2025-09-05T09:08:21", "name": "Add vd55g1 support for rpi and libipa", "version": 1, "mbox": "https://patchwork.libcamera.org/series/5423/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/24286/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/24286/checks/", "tags": {}, "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "X-Original-To": "parsemail@patchwork.libcamera.org", "Delivered-To": "parsemail@patchwork.libcamera.org", "Received": [ "from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 6B5ADC328C\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 5 Sep 2025 09:10:15 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com 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164.130.1.43)\n\tsmtp.mailfrom=foss.st.com; dkim=none (message not signed)\n\theader.d=none;dmarc=fail action=none header.from=foss.st.com;", "Received-SPF": "Fail (protection.outlook.com: domain of foss.st.com does not\n\tdesignate 164.130.1.43 as permitted sender)\n\treceiver=protection.outlook.com; \n\tclient-ip=164.130.1.43; helo=smtpO365.st.com;", "From": "Benjamin Mugnier <benjamin.mugnier@foss.st.com>", "Date": "Fri, 5 Sep 2025 11:08:23 +0200", "Subject": "[PATCH 2/4] ipa: rpi: Add vd55g1 support for rpi", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-ID": "<20250905-vd55g1_support-v1-2-545d39f280b2@foss.st.com>", "References": "<20250905-vd55g1_support-v1-0-545d39f280b2@foss.st.com>", "In-Reply-To": "<20250905-vd55g1_support-v1-0-545d39f280b2@foss.st.com>", "To": "<libcamera-devel@lists.libcamera.org>, Naushir Patuck\n\t<naush@raspberrypi.com>, Kieran Bingham <kieran.bingham@ideasonboard.com>", "CC": 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"List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "The cam_helper gain formula and frameIntegrationDiff can be found in the\nvd55g1 user manual.\n\nSigned-off-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com>\n---\n src/ipa/rpi/cam_helper/cam_helper_vd55g1.cpp | 49 ++++++++++++++++++++++++++++\n src/ipa/rpi/cam_helper/meson.build | 1 +\n 2 files changed, 50 insertions(+)", "diff": "diff --git a/src/ipa/rpi/cam_helper/cam_helper_vd55g1.cpp b/src/ipa/rpi/cam_helper/cam_helper_vd55g1.cpp\nnew file mode 100644\nindex 0000000000000000000000000000000000000000..7a262e2332f3039b1fd35330abfb91099ff0e21e\n--- /dev/null\n+++ b/src/ipa/rpi/cam_helper/cam_helper_vd55g1.cpp\n@@ -0,0 +1,49 @@\n+/* SPDX-License-Identifier: BSD-2-Clause */\n+/*\n+ * Copyright (C) STMicroelectronics SA 2025\n+ *\n+ * Camera information for vd55g1 sensor\n+ */\n+\n+#include <assert.h>\n+\n+#include \"cam_helper.h\"\n+\n+using namespace RPiController;\n+\n+class CamHelperVd55g1 : public CamHelper\n+{\n+public:\n+\tCamHelperVd55g1();\n+\tuint32_t gainCode(double gain) const override;\n+\tdouble gain(uint32_t gainCode) const override;\n+\n+private:\n+\t/*\n+\t * Smallest difference between the frame length and integration time,\n+\t * in units of lines.\n+\t */\n+\tstatic constexpr int frameIntegrationDiff = 64;\n+};\n+\n+CamHelperVd55g1::CamHelperVd55g1()\n+\t: CamHelper({}, frameIntegrationDiff)\n+{\n+}\n+\n+uint32_t CamHelperVd55g1::gainCode(double gain) const\n+{\n+\treturn static_cast<uint32_t>(32.0 - 32.0 / gain);\n+}\n+\n+double CamHelperVd55g1::gain(uint32_t gainCode) const\n+{\n+\treturn 32.0 / (32.0 - static_cast<double>(gainCode));\n+}\n+\n+static CamHelper *create()\n+{\n+\treturn new CamHelperVd55g1();\n+}\n+\n+static RegisterCamHelper reg(\"vd55g1\", &create);\ndiff --git a/src/ipa/rpi/cam_helper/meson.build b/src/ipa/rpi/cam_helper/meson.build\nindex b70acbee5fcaa94265da1f1ad75487563486679f..87b6a3600b18b5d380a9007f92cc620bfbafb830 100644\n--- a/src/ipa/rpi/cam_helper/meson.build\n+++ b/src/ipa/rpi/cam_helper/meson.build\n@@ -14,6 +14,7 @@ rpi_ipa_cam_helper_sources = files([\n 'cam_helper_ov64a40.cpp',\n 'cam_helper_ov7251.cpp',\n 'cam_helper_ov9281.cpp',\n+ 'cam_helper_vd55g1.cpp',\n 'cam_helper_vd56g3.cpp',\n 'md_parser_smia.cpp',\n ])\n", "prefixes": [ "2/4" ] }