From patchwork Wed Mar 20 16:30:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 749 Return-Path: Received: from relay12.mail.gandi.net (relay12.mail.gandi.net [217.70.178.232]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id 00CAA61111 for ; Wed, 20 Mar 2019 17:30:29 +0100 (CET) Received: from uno.lan (2-224-242-101.ip172.fastwebnet.it [2.224.242.101]) (Authenticated sender: jacopo@jmondi.org) by relay12.mail.gandi.net (Postfix) with ESMTPSA id 933DF20000F; Wed, 20 Mar 2019 16:30:29 +0000 (UTC) From: Jacopo Mondi To: libcamera-devel@lists.libcamera.org Date: Wed, 20 Mar 2019 17:30:27 +0100 Message-Id: <20190320163055.22056-4-jacopo@jmondi.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190320163055.22056-1-jacopo@jmondi.org> References: <20190320163055.22056-1-jacopo@jmondi.org> MIME-Version: 1.0 Subject: [libcamera-devel] [PATCH v4 03/31] libcamera: ipu3: Make sure sensor provides a compatible format X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Mar 2019 16:30:30 -0000 When creating a camera, make sure a the image sensor provides images in a format compatible with IPU3 CIO2 unit requirements. Signed-off-by: Jacopo Mondi Reviewed-by: Laurent Pinchart --- src/libcamera/pipeline/ipu3/ipu3.cpp | 43 ++++++++++++++++++++++++++-- 1 file changed, 41 insertions(+), 2 deletions(-) diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp index 55489c31df2d..2602f89617a3 100644 --- a/src/libcamera/pipeline/ipu3/ipu3.cpp +++ b/src/libcamera/pipeline/ipu3/ipu3.cpp @@ -8,6 +8,8 @@ #include #include +#include + #include #include #include @@ -78,6 +80,8 @@ private: PipelineHandler::cameraData(camera)); } + int mediaBusToCIO2Format(unsigned int code); + void registerCameras(); std::shared_ptr cio2_; @@ -327,6 +331,22 @@ bool PipelineHandlerIPU3::match(DeviceEnumerator *enumerator) return true; } +int PipelineHandlerIPU3::mediaBusToCIO2Format(unsigned int code) +{ + switch (code) { + case MEDIA_BUS_FMT_SBGGR10_1X10: + return V4L2_PIX_FMT_IPU3_SBGGR10; + case MEDIA_BUS_FMT_SGBRG10_1X10: + return V4L2_PIX_FMT_IPU3_SGBRG10; + case MEDIA_BUS_FMT_SGRBG10_1X10: + return V4L2_PIX_FMT_IPU3_SGRBG10; + case MEDIA_BUS_FMT_SRGGB10_1X10: + return V4L2_PIX_FMT_IPU3_SRGGB10; + default: + return -EINVAL; + } +} + /* * Cameras are created associating an image sensor (represented by a * media entity with function MEDIA_ENT_F_CAM_SENSOR) to one of the four @@ -404,18 +424,37 @@ void PipelineHandlerIPU3::registerCameras() if (ret) continue; - data->cio2_->bufferReady.connect(data.get(), &IPU3CameraData::bufferReady); - + /* + * Make sure the sensor produces at least one image format + * compatible with IPU3 CIO2 requirements. + */ data->sensor_ = new V4L2Subdevice(sensor); ret = data->sensor_->open(); if (ret) continue; + const FormatEnum formats = data->sensor_->formats(0); + auto it = formats.begin(); + for (; it != formats.end(); ++it) { + if (mediaBusToCIO2Format(it->first) != -EINVAL) + break; + } + if (it == formats.end()) { + LOG(IPU3, Info) + << "Sensor '" << data->sensor_->deviceName() + << "' detected, but no supported image format " + << " found: skip camera creation"; + continue; + } + data->csi2_ = new V4L2Subdevice(csi2); ret = data->csi2_->open(); if (ret) continue; + data->cio2_->bufferReady.connect(data.get(), + &IPU3CameraData::bufferReady); + registerCamera(std::move(camera), std::move(data)); LOG(IPU3, Info)