rkisp1: add pipeline test for rkisp1

Add an initial simple test tool for the rkisp1 pipeline based upon the
IPU3 pipeline test.

Signed-off-by: Show Liu <show.liu@linaro.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

test/pipeline/meson.build

@@ -1 +1,2 @@
 subdir('ipu3')
+subdir('rkisp1')

test/pipeline/rkisp1/meson.build

@@ -0,0 +1,12 @@
+rkisp1_test = [
+    ['rkisp1_pipeline_test',            'rkisp1_pipeline_test.cpp'],
+]
+
+foreach t : rkisp1_test
+    exe = executable(t[0], t[1],
+                     dependencies : libcamera_dep,
+                     link_with : test_libraries,
+                     include_directories : test_includes_internal)
+
+    test(t[0], exe, suite : 'rkisp1', is_parallel : false)
+endforeach

test/pipeline/rkisp1/rkisp1_pipeline_test.cpp

@@ -0,0 +1,114 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2020, Linaro
+ *
+ * Based on test/pipeline/ipu3/ipu3_pipeline_test.cpp
+ *
+ * rkisp1_pipeline_test.cpp - Rockchip RK3399 rkisp1 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 "device_enumerator.h"
+#include "media_device.h"
+#include "media_object.h"
+#include "test.h"
+
+using namespace std;
+using namespace libcamera;
+
+/*
+ * Verify that the RK3399 pipeline handler gets matched and cameras
+ * are enumerated correctly.
+ *
+ * The test is supposed to be run on rockchip platform.
+ *
+ * The test lists all cameras registered in the system, if any camera is
+ * available at all.
+ */
+class RKISP1PipelineTest : public Test
+{
+protected:
+	int init();
+	int run();
+	void cleanup();
+
+private:
+	CameraManager *cameraManager_;
+	unsigned int sensors_;
+};
+
+int RKISP1PipelineTest::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 dm("rkisp1");
+
+	std::shared_ptr<MediaDevice> rkisp1 = enumerator->search(dm);
+	if (!rkisp1) {
+		cerr << "Failed to find rkisp1: test skip" << endl;
+		return TestSkip;
+	}
+
+	int ret = rkisp1->populate();
+	if (ret) {
+		cerr << "Failed to populate media device "
+		     << rkisp1->deviceNode() << endl;
+		return TestFail;
+	}
+
+	sensors_ = 0;
+	const vector<MediaEntity *> &entities = rkisp1->entities();
+	for (MediaEntity *entity : entities) {
+		if (entity->function() == MEDIA_ENT_F_CAM_SENSOR)
+			sensors_++;
+	}
+
+	cameraManager_ = new CameraManager();
+	ret = cameraManager_->start();
+	if (ret) {
+		cerr << "Failed to start the CameraManager" << endl;
+		return TestFail;
+	}
+
+	return 0;
+}
+
+int RKISP1PipelineTest::run()
+{
+	auto cameras = cameraManager_->cameras();
+	for (const std::shared_ptr<Camera> &cam : cameras)
+		cout << "Found camera '" << cam->name() << "'" << endl;
+
+	if (cameras.size() != sensors_) {
+		cerr << cameras.size() << " cameras registered, but " << sensors_
+		     << " were expected" << endl;
+		return TestFail;
+	}
+
+	return TestPass;
+}
+
+void RKISP1PipelineTest::cleanup()
+{
+	cameraManager_->stop();
+	delete cameraManager_;
+}
+
+TEST_REGISTER(RKISP1PipelineTest)