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/* 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_ = CameraSensorFactoryBase::create(entity);
if (!sensor_) {
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. */
static constexpr uint32_t mbusCodes[] = {
0xdeadbeef,
MEDIA_BUS_FMT_SBGGR10_1X10,
MEDIA_BUS_FMT_BGR888_1X24,
};
V4L2SubdeviceFormat format = sensor_->getFormat(mbusCodes, 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()
{
}
private:
std::unique_ptr<DeviceEnumerator> enumerator_;
std::shared_ptr<MediaDevice> media_;
std::unique_ptr<CameraSensor> sensor_;
CameraLens *lens_;
};
TEST_REGISTER(CameraSensorTest)
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