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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* ipu3_pipeline_test.cpp - Intel IPU3 pipeline test
*/
#include <iostream>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <libcamera/camera.h>
#include <libcamera/camera_manager.h>
#include "libcamera/internal/device_enumerator.h"
#include "libcamera/internal/media_device.h"
#include "libcamera/internal/media_object.h"
#include "test.h"
using namespace std;
using namespace libcamera;
/*
* Verify that the Intel IPU3 pipeline handler gets matched and cameras
* are enumerated correctly.
*
* The test is supposed to be run on an IPU3 platform, otherwise it gets
* skipped.
*
* The test lists all cameras registered in the system, if any camera is
* available at all.
*/
class IPU3PipelineTest : public Test
{
protected:
int init();
int run();
void cleanup();
private:
CameraManager *cameraManager_;
unsigned int sensors_;
};
int IPU3PipelineTest::init()
{
unique_ptr<DeviceEnumerator> 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 imgu_dm("ipu3-imgu");
DeviceMatch cio2_dm("ipu3-cio2");
if (!enumerator->search(imgu_dm)) {
cerr << "Failed to find IPU3 IMGU: test skip" << endl;
return TestSkip;
}
std::shared_ptr<MediaDevice> cio2 = enumerator->search(cio2_dm);
if (!cio2) {
cerr << "Failed to find IPU3 CIO2: test skip" << endl;
return TestSkip;
}
/*
* Camera sensor are connected to the CIO2 unit.
* Count how many sensors are connected in the system
* and later verify this matches the number of registered
* cameras.
*/
int ret = cio2->populate();
if (ret) {
cerr << "Failed to populate media device " << cio2->deviceNode() << endl;
return TestFail;
}
sensors_ = 0;
const vector<MediaEntity *> &entities = cio2->entities();
for (MediaEntity *entity : entities) {
if (entity->function() == MEDIA_ENT_F_CAM_SENSOR)
sensors_++;
}
enumerator.reset(nullptr);
cameraManager_ = new CameraManager();
ret = cameraManager_->start();
if (ret) {
cerr << "Failed to start the CameraManager" << endl;
return TestFail;
}
return 0;
}
int IPU3PipelineTest::run()
{
auto cameras = cameraManager_->cameras();
for (const std::shared_ptr<Camera> &cam : cameras)
cout << "Found camera '" << cam->id() << "'" << endl;
if (cameras.size() != sensors_) {
cerr << cameras.size() << " cameras registered, but " << sensors_
<< " were expected" << endl;
return TestFail;
}
return TestPass;
}
void IPU3PipelineTest::cleanup()
{
cameraManager_->stop();
delete cameraManager_;
}
TEST_REGISTER(IPU3PipelineTest)
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