From patchwork Fri Jul 24 15:47:40 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 27499 Return-Path: X-Original-To: parsemail@patchwork.libcamera.org Delivered-To: parsemail@patchwork.libcamera.org Received: from lancelot.ideasonboard.com (lancelot.ideasonboard.com [92.243.16.209]) by patchwork.libcamera.org (Postfix) with ESMTPS id 1E59BBDE4C for ; Fri, 24 Jul 2026 15:48:16 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id 0175E67F41; Fri, 24 Jul 2026 17:48:12 +0200 (CEST) Authentication-Results: lancelot.ideasonboard.com; dkim=pass (1024-bit key; unprotected) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="teGpz36x"; dkim-atps=neutral Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id 7732467F29 for ; Fri, 24 Jul 2026 17:48:09 +0200 (CEST) Received: from [192.168.1.182] (93-46-82-201.ip106.fastwebnet.it [93.46.82.201]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 936EA73B; Fri, 24 Jul 2026 17:47:07 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1784908027; bh=97SDbA6deMpf5wXTb9AacbD1a2z+SMQTOtuJB8KYte4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=teGpz36xQYji/zItuy+IL/m7YobR1k4jq5sl5xCqg59LqzL9J/IkovauEk0ekuGOL ANXYiDLMWzl3AjsEUmhSXkrCbOjeeo2m7kYxWwQ4h++ec+PG+SfUmMzvN/+01VXwdK unORG99fBa7HBSVmLNkJoeDDqpkdQ0+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 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 , Jacopo Mondi , Naushir Patuck X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=2635; i=jacopo.mondi@ideasonboard.com; h=from:subject:message-id; bh=JPSCAHkXnWuhyiMMq6ev/LBYpvPBdYX/A905GOwS06c=; b=owEBbQKS/ZANAwAKAXI0Bo8WoVY8AcsmYgBqY4k3Uf9ntCeMdE7ZEaHdgb+V81AdA9ZONSAxJ L2/YUyQqTaJAjMEAAEKAB0WIQS1xD1IgJogio9YOMByNAaPFqFWPAUCamOJNwAKCRByNAaPFqFW PFvFD/9KBwO0ICRxGmgGpu2PyeD7O1Nd8yPEzfOuh33rsG6/JE8oRzy8LuvVXymMw+wA9KkQHRl UZVBqeIzNL8Rm7uLyfjSbts3kTuntr5kHp+2ChOneZ6DGOSCyQVpLM1ukNYe2GHS/UC6WfCrpU+ UByMWo1aZa17tYllfxZ6e9I8fGGw+sEkTcH71veR8eAOwAZ1dHxD3J2vIb45JktbFvCOcjSsD2y xKWflAjRmEyrynt4WUexvdt5vQdXkWNpaWTFFVNY2No4IYjmsz4ew9IgCE6235vchUsGRWfdJFF oW6B0hxOkVaptWBGre0m2QrNpusCtHE8RmkV5tQKDBs1tVwucFkj4RrB7965GVzHNos23U20PUa Dk1shHbnlpZaMMB2Ghdkf6JL/sZR9Qb7oFS8BRmheFB4aYrl5f117Oz4htKn1LR9brh0nMEwF2B DDJ+9CRC9h6V8dDMFOHRtTLR002r9F0QaAfhBgVydDizj+K67BTwZ4ZHl9R3IzyTTVK9reiJAFE N7yERMjvmClXDGhKa/c1k9du4n0Xnz/+8faKebr5UtfeTO0Miev/pCXcgo07sEmtmURe3CTFrqJ sdDH/EAG9kUl0gu59IHh0wIrSegEMvZZeVz2dEuaiuXz49kqD6/JheXixQqCiywIHSrlsFVE05L dJNMogJh5PzmcqQ== X-Developer-Key: i=jacopo.mondi@ideasonboard.com; a=openpgp; fpr=72392EDC88144A65C701EA9BA5826A2587AD026B X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" From: Philippe Baetens AMS-OSRAM Mira220 is a global shutter sensor with a maximum resolution of 1600x1400. This patch upports the Mira220 support available at https://github.com/ams-OSRAM/libcamera.git at revision d7d5e17ec961 ("update json files so they are truly mono") Signed-off-by: Philippe Baetens Signed-off-by: Jacopo Mondi Acked-by: Naushir Patuck Reviewed-by: Kieran Bingham --- src/ipa/rpi/cam_helper/cam_helper_mira220.cpp | 55 +++++++++++++++++++++++++++ src/ipa/rpi/cam_helper/meson.build | 1 + 2 files changed, 56 insertions(+) diff --git a/src/ipa/rpi/cam_helper/cam_helper_mira220.cpp b/src/ipa/rpi/cam_helper/cam_helper_mira220.cpp new file mode 100644 index 000000000000..f0bd1ecbfff6 --- /dev/null +++ b/src/ipa/rpi/cam_helper/cam_helper_mira220.cpp @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ +/* + * Copyright (C) 2026, ams-OSRAM + * + * cam_helper_Mira220.cpp - camera information for Mira220 sensor + */ + +#include + +#include "cam_helper.h" + +using namespace RPiController; + +class CamHelperMira220 : public CamHelper +{ +public: + CamHelperMira220(); + uint32_t gainCode(double gain) const override; + double gain(uint32_t gainCode) const override; + unsigned int hideFramesModeSwitch() const override; + +private: + /* + * Smallest difference between the frame length and integration time, + * in units of lines. + */ + static constexpr int frameIntegrationDiff = 4; +}; + +/* + * Mira220 doesn't output metadata, so we have to use the delayed controls which + * works by counting frames. + */ + +CamHelperMira220::CamHelperMira220() + : CamHelper({}, frameIntegrationDiff) +{ +} + +uint32_t CamHelperMira220::gainCode(double gain) const +{ + return static_cast(2048.0 - 2048.0 / gain); +} + +double CamHelperMira220::gain(uint32_t gainCode) const +{ + return static_cast(2048.0 / (2048 - gainCode)); +} + +static CamHelper *create() +{ + return new CamHelperMira220(); +} + +static RegisterCamHelper reg("mira220", &create); diff --git a/src/ipa/rpi/cam_helper/meson.build b/src/ipa/rpi/cam_helper/meson.build index eabd55dce5a1..a8756a1a0226 100644 --- a/src/ipa/rpi/cam_helper/meson.build +++ b/src/ipa/rpi/cam_helper/meson.build @@ -12,6 +12,7 @@ rpi_ipa_cam_helper_sources = files([ 'cam_helper_imx519.cpp', 'cam_helper_imx678.cpp', 'cam_helper_imx708.cpp', + 'cam_helper_mira220.cpp', 'cam_helper_ov64a40.cpp', 'cam_helper_ov7251.cpp', 'cam_helper_ov9281.cpp',