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{
    "id": 15529,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/15529/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/15529/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/1.1/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": "<20220323160145.90606-5-jeanmichel.hautbois@ideasonboard.com>",
    "date": "2022-03-23T16:01:45",
    "name": "[libcamera-devel,RFC,v2,4/4] ipa: raspberrypi: Control the lens position",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "7b0243b7c15718aa0c50c43719e4ea85c476e40c",
    "submitter": {
        "id": 75,
        "url": "https://patchwork.libcamera.org/api/1.1/people/75/?format=api",
        "name": "Jean-Michel Hautbois",
        "email": "jeanmichel.hautbois@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/15529/mbox/",
    "series": [
        {
            "id": 2991,
            "url": "https://patchwork.libcamera.org/api/1.1/series/2991/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2991",
            "date": "2022-03-23T16:01:41",
            "name": "RPi: Introduce AF algorithm",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/2991/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/15529/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/15529/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 984B2C3265\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 23 Mar 2022 16:01:56 +0000 (UTC)",
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        ],
        "DKIM-Signature": [
            "v=1; a=rsa-sha256; c=relaxed/simple; d=libcamera.org;\n\ts=mail; t=1648051315;\n\tbh=veCQMbxbFw2w3L45sYunZOtpe4x5G1w83ycREIJOKzg=;\n\th=To:Date:In-Reply-To:References:Subject:List-Id:List-Unsubscribe:\n\tList-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:\n\tFrom;\n\tb=drbje7l2F/oLLKWY+QeJZ55ZYsoyBPp041qH1YvbIkUqRhwDkXv/xGnHEmCO9t0v/\n\tvqlKdQChuIqGVxeqUkZISpWEtelSiZjGlJJquuVOlp7afH5JB+pyUr6asHtMPtvxU8\n\tPRQsUB9p+xy0xsGf06zMuBj3+XA4Qw7KHosj0HXV2irUB5s5Z9Z6TfoFyOavq1ERDA\n\tjqoI9A3wdYVGFAkIjMGsPI/yNbaUj0fXe2L1sQ9YCMTysctdCqHk5HjdbyNegD4FAC\n\tRabIZ37Y/IGnyJqFze/LPhf09I5CgTu3KypKG5PXsX0LF5z1kGT75/Fm7Yd/oJRrpE\n\tye947dAxhR5XA==",
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        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Wed, 23 Mar 2022 17:01:45 +0100",
        "Message-Id": "<20220323160145.90606-5-jeanmichel.hautbois@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.32.0",
        "In-Reply-To": "<20220323160145.90606-1-jeanmichel.hautbois@ideasonboard.com>",
        "References": "<20220323160145.90606-1-jeanmichel.hautbois@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [RFC PATCH v2 4/4] ipa: raspberrypi: Control the\n\tlens position",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "<libcamera-devel.lists.libcamera.org>",
        "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>",
        "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>",
        "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>",
        "From": "Jean-Michel Hautbois via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>",
        "Reply-To": "Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Now that the ancillary links are configured, we can use the CameraLens\nclass and control the VCM through the IPA.\nFor now, force a default value for the lens position, until the AF\nalgorithm is introduced.\n\nSigned-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>\n---\nv2: Change the need for lens control to be present\n---\n src/ipa/raspberrypi/raspberrypi.cpp | 42 ++++++++++++++++++++++++++++-\n 1 file changed, 41 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/src/ipa/raspberrypi/raspberrypi.cpp b/src/ipa/raspberrypi/raspberrypi.cpp\nindex cf4e6cab..ff302e37 100644\n--- a/src/ipa/raspberrypi/raspberrypi.cpp\n+++ b/src/ipa/raspberrypi/raspberrypi.cpp\n@@ -30,6 +30,7 @@\n \n #include \"libcamera/internal/mapped_framebuffer.h\"\n \n+#include \"af_status.h\"\n #include \"agc_algorithm.hpp\"\n #include \"agc_status.h\"\n #include \"alsc_status.h\"\n@@ -110,6 +111,7 @@ private:\n \tvoid setMode(const IPACameraSensorInfo &sensorInfo);\n \tbool validateSensorControls();\n \tbool validateIspControls();\n+\tbool validateLensControls();\n \tvoid queueRequest(const ControlList &controls);\n \tvoid returnEmbeddedBuffer(unsigned int bufferId);\n \tvoid prepareISP(const ISPConfig &data);\n@@ -134,6 +136,7 @@ private:\n \n \tControlInfoMap sensorCtrls_;\n \tControlInfoMap ispCtrls_;\n+\tControlInfoMap lensCtrls_;\n \tControlList libcameraMetadata_;\n \n \t/* Camera sensor params. */\n@@ -344,7 +347,7 @@ int IPARPi::configure(const IPACameraSensorInfo &sensorInfo,\n \t\t      const IPAConfig &ipaConfig,\n \t\t      ControlList *controls)\n {\n-\tif (entityControls.size() != 2) {\n+\tif (entityControls.size() < 2) {\n \t\tLOG(IPARPI, Error) << \"No ISP or sensor controls found.\";\n \t\treturn -1;\n \t}\n@@ -352,6 +355,14 @@ int IPARPi::configure(const IPACameraSensorInfo &sensorInfo,\n \tsensorCtrls_ = entityControls.at(0);\n \tispCtrls_ = entityControls.at(1);\n \n+\t/* Lens may not be present, don't make it an hard assumption. */\n+\tauto lensControl = entityControls.find(2);\n+\tif (lensControl != entityControls.end()) {\n+\t\tlensCtrls_ = lensControl->second;\n+\t\tif (!validateLensControls())\n+\t\t\tLOG(IPARPI, Error) << \"Lens control validation failed.\";\n+\t}\n+\n \tif (!validateSensorControls()) {\n \t\tLOG(IPARPI, Error) << \"Sensor control validation failed.\";\n \t\treturn -1;\n@@ -362,6 +373,10 @@ int IPARPi::configure(const IPACameraSensorInfo &sensorInfo,\n \t\treturn -1;\n \t}\n \n+\tif (!validateLensControls()) {\n+\t\tLOG(IPARPI, Error) << \"Lens control validation failed.\";\n+\t}\n+\n \tmaxSensorGainCode_ = sensorCtrls_.at(V4L2_CID_ANALOGUE_GAIN).max().get<int32_t>();\n \n \t/* Setup a metadata ControlList to output metadata. */\n@@ -580,6 +595,23 @@ bool IPARPi::validateIspControls()\n \treturn true;\n }\n \n+bool IPARPi::validateLensControls()\n+{\n+\tstatic const uint32_t ctrls[] = {\n+\t\tV4L2_CID_FOCUS_ABSOLUTE,\n+\t};\n+\n+\tfor (auto c : ctrls) {\n+\t\tif (lensCtrls_.find(c) == lensCtrls_.end()) {\n+\t\t\tLOG(IPARPI, Error) << \"Unable to find lens control \"\n+\t\t\t\t\t   << utils::hex(c);\n+\t\t\treturn false;\n+\t\t}\n+\t}\n+\n+\treturn true;\n+}\n+\n /*\n  * Converting between enums (used in the libcamera API) and the names that\n  * we use to identify different modes. Unfortunately, the conversion tables\n@@ -1068,6 +1100,14 @@ void IPARPi::processStats(unsigned int bufferId)\n \n \t\tsetDelayedControls.emit(ctrls);\n \t}\n+\n+\tstruct AfStatus afStatus;\n+\tif (rpiMetadata_.Get(\"af.status\", afStatus) == 0) {\n+\t\tControlList lensCtrls(lensCtrls_);\n+\t\tlensCtrls.set(V4L2_CID_FOCUS_ABSOLUTE,\n+\t\t\t      static_cast<int32_t>(afStatus.focus));\n+\t\tsetLensControls.emit(lensCtrls);\n+\t}\n }\n \n void IPARPi::applyAWB(const struct AwbStatus *awbStatus, ControlList &ctrls)\n",
    "prefixes": [
        "libcamera-devel",
        "RFC",
        "v2",
        "4/4"
    ]
}