{"id":860,"url":"https://patchwork.libcamera.org/api/1.1/patches/860/?format=json","web_url":"https://patchwork.libcamera.org/patch/860/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/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":"<20190402171309.6447-5-jacopo@jmondi.org>","date":"2019-04-02T17:13:00","name":"[libcamera-devel,v7,04/13] libcamera: ipu3: Cache the sensor sizes","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"c311c75c7e2f559aa1faf22f7477faee471a86c3","submitter":{"id":3,"url":"https://patchwork.libcamera.org/api/1.1/people/3/?format=json","name":"Jacopo Mondi","email":"jacopo@jmondi.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/860/mbox/","series":[{"id":231,"url":"https://patchwork.libcamera.org/api/1.1/series/231/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=231","date":"2019-04-02T17:12:56","name":"libcamera: ipu3: Add ImgU support","version":7,"mbox":"https://patchwork.libcamera.org/series/231/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/860/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/860/checks/","tags":{},"headers":{"Return-Path":"<jacopo@jmondi.org>","Received":["from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net\n\t[217.70.183.199])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id CE188610C5\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue,  2 Apr 2019 19:12:32 +0200 (CEST)","from uno.lan (2-224-242-101.ip172.fastwebnet.it [2.224.242.101])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay9-d.mail.gandi.net (Postfix) with ESMTPSA id 6114AFF80A;\n\tTue,  2 Apr 2019 17:12:32 +0000 (UTC)"],"X-Originating-IP":"2.224.242.101","From":"Jacopo Mondi <jacopo@jmondi.org>","To":"libcamera-devel@lists.libcamera.org","Date":"Tue,  2 Apr 2019 19:13:00 +0200","Message-Id":"<20190402171309.6447-5-jacopo@jmondi.org>","X-Mailer":"git-send-email 2.21.0","In-Reply-To":"<20190402171309.6447-1-jacopo@jmondi.org>","References":"<20190402171309.6447-1-jacopo@jmondi.org>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v7 04/13] libcamera: ipu3: Cache the\n\tsensor sizes","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.23","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>","X-List-Received-Date":"Tue, 02 Apr 2019 17:12:33 -0000"},"content":"Cache the sensor maximum size and the media bus code used to produce\nit.\n\nSigned-off-by: Jacopo Mondi <jacopo@jmondi.org>\n---\n src/libcamera/pipeline/ipu3/ipu3.cpp | 47 ++++++++++++++++++++++++++++\n 1 file changed, 47 insertions(+)","diff":"diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp\nindex a870b325f4b3..1e315048738b 100644\n--- a/src/libcamera/pipeline/ipu3/ipu3.cpp\n+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp\n@@ -8,6 +8,8 @@\n #include <memory>\n #include <vector>\n \n+#include <linux/media-bus-format.h>\n+\n #include <libcamera/camera.h>\n #include <libcamera/request.h>\n #include <libcamera/stream.h>\n@@ -24,6 +26,22 @@ namespace libcamera {\n \n LOG_DEFINE_CATEGORY(IPU3)\n \n+static int mediaBusToCIO2Format(unsigned int code)\n+{\n+\tswitch (code) {\n+\tcase MEDIA_BUS_FMT_SBGGR10_1X10:\n+\t\treturn V4L2_PIX_FMT_IPU3_SBGGR10;\n+\tcase MEDIA_BUS_FMT_SGBRG10_1X10:\n+\t\treturn V4L2_PIX_FMT_IPU3_SGBRG10;\n+\tcase MEDIA_BUS_FMT_SGRBG10_1X10:\n+\t\treturn V4L2_PIX_FMT_IPU3_SGRBG10;\n+\tcase MEDIA_BUS_FMT_SRGGB10_1X10:\n+\t\treturn V4L2_PIX_FMT_IPU3_SRGGB10;\n+\tdefault:\n+\t\treturn -EINVAL;\n+\t}\n+}\n+\n class CIO2Device\n {\n public:\n@@ -44,6 +62,10 @@ public:\n \tV4L2Device *output_;\n \tV4L2Subdevice *csi2_;\n \tV4L2Subdevice *sensor_;\n+\n+\t/* Maximum sizes and the mbus code used to produce them. */\n+\tunsigned int mbusCode_;\n+\tSize maxSize_;\n };\n \n class PipelineHandlerIPU3 : public PipelineHandler\n@@ -442,6 +464,10 @@ int CIO2Device::init(const MediaDevice *media, unsigned int index)\n \t\treturn ret;\n \n \t/*\n+\t * Now that we're sure a sensor subdevice is connected, make sure it\n+\t * produces at least one image format compatible with CIO2 requirements\n+\t * and cache the camera maximum size.\n+\t *\n \t * \\todo Define when to open and close video device nodes, as they\n \t * might impact on power consumption.\n \t */\n@@ -450,6 +476,27 @@ int CIO2Device::init(const MediaDevice *media, unsigned int index)\n \tif (ret)\n \t\treturn ret;\n \n+\tfor (auto it : sensor_->formats(0)) {\n+\t\tint mbusCode = mediaBusToCIO2Format(it.first);\n+\t\tif (mbusCode < 0)\n+\t\t\tcontinue;\n+\n+\t\tfor (const SizeRange &size : it.second) {\n+\t\t\tif (maxSize_.width < size.maxWidth &&\n+\t\t\t    maxSize_.height < size.maxHeight) {\n+\t\t\t\tmaxSize_.width = size.maxWidth;\n+\t\t\t\tmaxSize_.height = size.maxHeight;\n+\t\t\t\tmbusCode_ = mbusCode;\n+\t\t\t}\n+\t\t}\n+\t}\n+\tif (maxSize_.width == 0) {\n+\t\tLOG(IPU3, Info) << \"Sensor '\" << sensor_->entityName()\n+\t\t\t\t<< \"' detected, but no supported image format \"\n+\t\t\t\t<< \" found: skip camera creation\";\n+\t\treturn -ENODEV;\n+\t}\n+\n \tcsi2_ = new V4L2Subdevice(csi2Entity);\n \tret = csi2_->open();\n \tif (ret)\n","prefixes":["libcamera-devel","v7","04/13"]}