[libcamera-devel] test: pipeline: IPU3: Add IPU3 pipeline test

255 diff mbox series

diff --git a/test/meson.build b/test/meson.build
index 3215288..e168991 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -1,6 +1,7 @@ 
 subdir('libtest')

 subdir('media_device')
+subdir('pipeline')

 public_tests = [
     ['event',           'event.cpp'],
diff --git a/test/pipeline/ipu3/ipu3_pipeline_test.cpp b/test/pipeline/ipu3/ipu3_pipeline_test.cpp
new file mode 100644
index 0000000..fc4c2a2
--- /dev/null
+++ b/test/pipeline/ipu3/ipu3_pipeline_test.cpp
@@ -0,0 +1,147 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2018, Google Inc.
+ *
+ * ipu3_pipeline_test.cpp - Intel IPU3 pipeline test
+ */
+
+#include <iostream>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <libcamera/camera.h>
+#include <libcamera/camera_manager.h>
+
+#include "media_device.h"
+#include "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()
+{
+	const string devnode("/dev/media");
+	bool cio2 = false;
+	bool imgu = false;
+	unsigned int i;
+	int ret;
+
+	sensors_ = 0;
+
+	/*
+	 * Test all media devices from /dev/media0 to /dev/media256.
+	 * Media device numbering might not be continue, and we cannot stop
+	 * as soon as we hit a non accessible media device.
+	 */
+	for (i = 0; i < 256; i++) {
+		string mediadev = devnode + to_string(i);
+		struct stat pstat = { };
+
+		if (stat(mediadev.c_str(), &pstat))
+			continue;
+
+		MediaDevice dev(mediadev);
+		if (dev.open()) {
+			cerr << "Failed to open media device " << mediadev << endl;
+			return TestFail;
+		}
+
+		if (dev.driver() == "ipu3-imgu") {
+			imgu = true;
+		} else if (dev.driver() == "ipu3-cio2") {
+			/*
+			 * 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.
+			 */
+			ret = dev.populate();
+			if (ret) {
+				cerr << "Failed to populate media device " << dev.devnode() << endl;
+				return TestFail;
+			}
+
+			vector<MediaEntity *> entities = dev.entities();
+			for (MediaEntity *entity : entities) {
+				if (entity->function() == MEDIA_ENT_F_CAM_SENSOR)
+					sensors_++;
+			}
+
+			cio2 = true;
+		}
+
+		dev.close();
+
+		if (imgu && cio2)
+			break;
+	}
+
+	/* Not running on an IPU3 system: skip test. */
+	if (!(imgu && cio2))
+		return TestSkip;
+
+	cameraManager_ = CameraManager::instance();
+	ret = cameraManager_->start();
+	if (ret) {
+		cerr << "Failed to start the CameraManager" << endl;
+		return TestFail;
+	}
+
+	return 0;
+}
+
+int IPU3PipelineTest::run()
+{
+	unsigned int cameras = 0;
+	vector<string> cameraList = cameraManager_->list();
+	for (auto name : cameraList) {
+		Camera *cam = cameraManager_->get(name);
+		if (!cam) {
+			cerr << "Failed to get camera '" << name << "' by name" << endl;
+			return TestFail;
+		}
+
+		cout << "Found camera '" << cam->name() << "'" << endl;
+		cameras++;
+	}
+
+	if (cameras != sensors_) {
+		cerr << cameras << " cameras registered, but " << sensors_
+		     << " were expected" << endl;
+		return TestFail;
+	}
+
+	return TestPass;
+}
+
+void IPU3PipelineTest::cleanup()
+{
+	cameraManager_->stop();
+}
+
+TEST_REGISTER(IPU3PipelineTest)
diff --git a/test/pipeline/ipu3/meson.build b/test/pipeline/ipu3/meson.build
new file mode 100644
index 0000000..caba5c7
--- /dev/null
+++ b/test/pipeline/ipu3/meson.build
@@ -0,0 +1,11 @@ 
+ipu3_test = [
+    ['ipu3_pipeline_test',	      'ipu3_pipeline_test.cpp'],
+]
+
+foreach t : ipu3_test
+    exe = executable(t[0], t[1],
+                     link_with : test_libraries,
+                     include_directories : test_includes_internal)
+
+    test(t[0], exe, suite: 'ipu3', is_parallel: false)
+endforeach
diff --git a/test/pipeline/meson.build b/test/pipeline/meson.build
new file mode 100644
index 0000000..f434c79
--- /dev/null
+++ b/test/pipeline/meson.build
@@ -0,0 +1 @@ 
+subdir('ipu3')