Add AIDL implementation for the vendor HAL service.
Bug: 205044134
Test: Pass AIDL VTS tests and regression tests.
Change-Id: Iad04ce01f71fc220443e05a4be05d7d5545227e8
diff --git a/wifi/aidl/default/wifi_mode_controller.h b/wifi/aidl/default/wifi_mode_controller.h
new file mode 100644
index 0000000..1a9fb1a
--- /dev/null
+++ b/wifi/aidl/default/wifi_mode_controller.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef WIFI_MODE_CONTROLLER_H_
+#define WIFI_MODE_CONTROLLER_H_
+
+#include <aidl/android/hardware/wifi/IWifi.h>
+#include <wifi_hal/driver_tool.h>
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace mode_controller {
+
+/**
+ * Class that encapsulates all firmware mode configuration.
+ * This class will perform the necessary firmware reloads to put the chip in the
+ * required state (essentially a wrapper over DriverTool).
+ */
+class WifiModeController {
+ public:
+ WifiModeController();
+ virtual ~WifiModeController() = default;
+
+ // Checks if a firmware mode change is necessary to support the specified
+ // iface type operations.
+ virtual bool isFirmwareModeChangeNeeded(IfaceType type);
+ virtual bool initialize();
+ // Change the firmware mode to support the specified iface type operations.
+ virtual bool changeFirmwareMode(IfaceType type);
+ // Unload the driver. This should be invoked whenever |IWifi.stop()| is
+ // invoked.
+ virtual bool deinitialize();
+
+ private:
+ std::unique_ptr<::android::wifi_hal::DriverTool> driver_tool_;
+};
+
+} // namespace mode_controller
+} // namespace wifi
+} // namespace hardware
+} // namespace android
+} // namespace aidl
+
+#endif // WIFI_MODE_CONTROLLER_H_