{"id":27499,"url":"https://patchwork.libcamera.org/api/patches/27499/?format=json","web_url":"https://patchwork.libcamera.org/patch/27499/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260724-mira220-v2-1-240003749dd0@ideasonboard.com>","date":"2026-07-24T15:47:40","name":"[v2,1/5] ipa: rpi: cam_helper: Add Mira220 cam helper","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"74520362f003db2ffd7ccaa12798efa2289ae252","submitter":{"id":143,"url":"https://patchwork.libcamera.org/api/people/143/?format=json","name":"Jacopo Mondi","email":"jacopo.mondi@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/27499/mbox/","series":[{"id":6079,"url":"https://patchwork.libcamera.org/api/series/6079/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=6079","date":"2026-07-24T15:47:39","name":"ipa: rpi: Add support for Mira220 RGB version","version":2,"mbox":"https://patchwork.libcamera.org/series/6079/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/27499/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/27499/checks/","tags":{},"headers":{"Return-Path":"","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 1E59BBDE4C\n\tfor ;\n\tFri, 24 Jul 2026 15:48:16 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 0175E67F41;\n\tFri, 24 Jul 2026 17:48:12 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 7732467F29\n\tfor ;\n\tFri, 24 Jul 2026 17:48:09 +0200 (CEST)","from [192.168.1.182] (93-46-82-201.ip106.fastwebnet.it\n\t[93.46.82.201])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 936EA73B;\n\tFri, 24 Jul 2026 17:47:07 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"teGpz36x\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1784908027;\n\tbh=97SDbA6deMpf5wXTb9AacbD1a2z+SMQTOtuJB8KYte4=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n\tb=teGpz36xQYji/zItuy+IL/m7YobR1k4jq5sl5xCqg59LqzL9J/IkovauEk0ekuGOL\n\tANXYiDLMWzl3AjsEUmhSXkrCbOjeeo2m7kYxWwQ4h++ec+PG+SfUmMzvN/+01VXwdK\n\tunORG99fBa7HBSVmLNkJoeDDqpkdQ0+XD2mGGgss=","From":"Jacopo Mondi ","Date":"Fri, 24 Jul 2026 17:47:40 +0200","Subject":"[PATCH v2 1/5] ipa: rpi: cam_helper: Add Mira220 cam helper","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","Message-Id":"<20260724-mira220-v2-1-240003749dd0@ideasonboard.com>","References":"<20260724-mira220-v2-0-240003749dd0@ideasonboard.com>","In-Reply-To":"<20260724-mira220-v2-0-240003749dd0@ideasonboard.com>","To":"libcamera-devel@lists.libcamera.org","Cc":"Philippe Baetens , \n\tJacopo Mondi , \n\tNaushir Patuck ","X-Mailer":"b4 0.14.3","X-Developer-Signature":"v=1; a=openpgp-sha256; l=2635;\n\ti=jacopo.mondi@ideasonboard.com; h=from:subject:message-id;\n\tbh=JPSCAHkXnWuhyiMMq6ev/LBYpvPBdYX/A905GOwS06c=;\n\tb=owEBbQKS/ZANAwAKAXI0Bo8WoVY8AcsmYgBqY4k3Uf9ntCeMdE7ZEaHdgb+V81AdA9ZONSAxJ\n\tL2/YUyQqTaJAjMEAAEKAB0WIQS1xD1IgJogio9YOMByNAaPFqFWPAUCamOJNwAKCRByNAaPFqFW\n\tPFvFD/9KBwO0ICRxGmgGpu2PyeD7O1Nd8yPEzfOuh33rsG6/JE8oRzy8LuvVXymMw+wA9KkQHRl\n\tUZVBqeIzNL8Rm7uLyfjSbts3kTuntr5kHp+2ChOneZ6DGOSCyQVpLM1ukNYe2GHS/UC6WfCrpU+\n\tUByMWo1aZa17tYllfxZ6e9I8fGGw+sEkTcH71veR8eAOwAZ1dHxD3J2vIb45JktbFvCOcjSsD2y\n\txKWflAjRmEyrynt4WUexvdt5vQdXkWNpaWTFFVNY2No4IYjmsz4ew9IgCE6235vchUsGRWfdJFF\n\toW6B0hxOkVaptWBGre0m2QrNpusCtHE8RmkV5tQKDBs1tVwucFkj4RrB7965GVzHNos23U20PUa\n\tDk1shHbnlpZaMMB2Ghdkf6JL/sZR9Qb7oFS8BRmheFB4aYrl5f117Oz4htKn1LR9brh0nMEwF2B\n\tDDJ+9CRC9h6V8dDMFOHRtTLR002r9F0QaAfhBgVydDizj+K67BTwZ4ZHl9R3IzyTTVK9reiJAFE\n\tN7yERMjvmClXDGhKa/c1k9du4n0Xnz/+8faKebr5UtfeTO0Miev/pCXcgo07sEmtmURe3CTFrqJ\n\tsdDH/EAG9kUl0gu59IHh0wIrSegEMvZZeVz2dEuaiuXz49kqD6/JheXixQqCiywIHSrlsFVE05L\n\tdJNMogJh5PzmcqQ==","X-Developer-Key":"i=jacopo.mondi@ideasonboard.com; a=openpgp;\n\tfpr=72392EDC88144A65C701EA9BA5826A2587AD026B","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"From: Philippe Baetens \n\nAMS-OSRAM Mira220 is a global shutter sensor with a maximum\nresolution of 1600x1400.\n\nThis patch upports the Mira220 support available at\nhttps://github.com/ams-OSRAM/libcamera.git at revision d7d5e17ec961\n(\"update json files so they are truly mono\")\n\nSigned-off-by: Philippe Baetens \nSigned-off-by: Jacopo Mondi \nAcked-by: Naushir Patuck \n---\n src/ipa/rpi/cam_helper/cam_helper_mira220.cpp | 55 +++++++++++++++++++++++++++\n src/ipa/rpi/cam_helper/meson.build | 1 +\n 2 files changed, 56 insertions(+)","diff":"diff --git a/src/ipa/rpi/cam_helper/cam_helper_mira220.cpp b/src/ipa/rpi/cam_helper/cam_helper_mira220.cpp\nnew file mode 100644\nindex 000000000000..f0bd1ecbfff6\n--- /dev/null\n+++ b/src/ipa/rpi/cam_helper/cam_helper_mira220.cpp\n@@ -0,0 +1,55 @@\n+/* SPDX-License-Identifier: BSD-2-Clause */\n+/*\n+ * Copyright (C) 2026, ams-OSRAM\n+ *\n+ * cam_helper_Mira220.cpp - camera information for Mira220 sensor\n+ */\n+\n+#include \n+\n+#include \"cam_helper.h\"\n+\n+using namespace RPiController;\n+\n+class CamHelperMira220 : public CamHelper\n+{\n+public:\n+\tCamHelperMira220();\n+\tuint32_t gainCode(double gain) const override;\n+\tdouble gain(uint32_t gainCode) const override;\n+\tunsigned int hideFramesModeSwitch() 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 = 4;\n+};\n+\n+/*\n+ * Mira220 doesn't output metadata, so we have to use the delayed controls which\n+ * works by counting frames.\n+ */\n+\n+CamHelperMira220::CamHelperMira220()\n+\t: CamHelper({}, frameIntegrationDiff)\n+{\n+}\n+\n+uint32_t CamHelperMira220::gainCode(double gain) const\n+{\n+\treturn static_cast(2048.0 - 2048.0 / gain);\n+}\n+\n+double CamHelperMira220::gain(uint32_t gainCode) const\n+{\n+\treturn static_cast(2048.0 / (2048 - gainCode));\n+}\n+\n+static CamHelper *create()\n+{\n+\treturn new CamHelperMira220();\n+}\n+\n+static RegisterCamHelper reg(\"mira220\", &create);\ndiff --git a/src/ipa/rpi/cam_helper/meson.build b/src/ipa/rpi/cam_helper/meson.build\nindex eabd55dce5a1..a8756a1a0226 100644\n--- a/src/ipa/rpi/cam_helper/meson.build\n+++ b/src/ipa/rpi/cam_helper/meson.build\n@@ -12,6 +12,7 @@ rpi_ipa_cam_helper_sources = files([\n 'cam_helper_imx519.cpp',\n 'cam_helper_imx678.cpp',\n 'cam_helper_imx708.cpp',\n+ 'cam_helper_mira220.cpp',\n 'cam_helper_ov64a40.cpp',\n 'cam_helper_ov7251.cpp',\n 'cam_helper_ov9281.cpp',\n","prefixes":["v2","1/5"]}