/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * Camera sensor tests */ #include <algorithm> #include <iostream> #include <linux/media-bus-format.h> #include <libcamera/base/utils.h> #include "libcamera/internal/camera_lens.h" #include "libcamera/internal/camera_sensor.h" #include "libcamera/internal/device_enumerator.h" #include "libcamera/internal/media_device.h" #include "libcamera/internal/v4l2_subdevice.h" #include "test.h" using namespace std; using namespace libcamera; class CameraSensorTest : public Test { protected: int init() { enumerator_ = DeviceEnumerator::create(); if (!enumerator_) { cerr << "Failed to create device enumerator" << endl; return TestFail; } if (enumerator_->enumerate()) { cerr << "Failed to enumerate media devices" << endl; return TestFail; } DeviceMatch dm("vimc"); media_ = enumerator_->search(dm); if (!media_) { cerr << "Unable to find \'vimc\' media device node" << endl; return TestSkip; } MediaEntity *entity = media_->getEntityByName("Sensor A"); if (!entity) { cerr << "Unable to find media entity 'Sensor A'" << endl; return TestFail; } sensor_ = new CameraSensor(entity); if (sensor_->init() < 0) { cerr << "Unable to initialise camera sensor" << endl; return TestFail; } lens_ = sensor_->focusLens(); if (lens_) cout << "Found lens controller" << endl; return TestPass; } int run() { if (sensor_->model() != "Sensor A") { cerr << "Incorrect sensor model '" << sensor_->model() << "'" << endl; return TestFail; } const std::vector<unsigned int> &codes = sensor_->mbusCodes(); auto iter = std::find(codes.begin(), codes.end(), MEDIA_BUS_FMT_ARGB8888_1X32); if (iter == codes.end()) { cerr << "Sensor doesn't support ARGB8888_1X32" << endl; return TestFail; } const std::vector<Size> &sizes = sensor_->sizes(*iter); auto iter2 = std::find(sizes.begin(), sizes.end(), Size(4096, 2160)); if (iter2 == sizes.end()) { cerr << "Sensor doesn't support 4096x2160" << endl; return TestFail; } const Size &resolution = sensor_->resolution(); if (resolution != Size(4096, 2160)) { cerr << "Incorrect sensor resolution " << resolution << endl; return TestFail; } /* Use an invalid format and make sure it's not selected. */ V4L2SubdeviceFormat format = sensor_->getFormat({ 0xdeadbeef, MEDIA_BUS_FMT_SBGGR10_1X10, MEDIA_BUS_FMT_BGR888_1X24 }, Size(1024, 768)); if (format.code != MEDIA_BUS_FMT_SBGGR10_1X10 || format.size != Size(4096, 2160)) { cerr << "Failed to get a suitable format, expected 4096x2160-0x" << utils::hex(MEDIA_BUS_FMT_SBGGR10_1X10) << ", got " << format << endl; return TestFail; } if (lens_ && lens_->setFocusPosition(10)) { cerr << "Failed to set lens focus position" << endl; return TestFail; } return TestPass; } void cleanup() { delete sensor_; } private: std::unique_ptr<DeviceEnumerator> enumerator_; std::shared_ptr<MediaDevice> media_; CameraSensor *sensor_; CameraLens *lens_; }; TEST_REGISTER(CameraSensorTest)