summaryrefslogtreecommitdiff
path: root/include/powermanager/PowerHalController.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/powermanager/PowerHalController.h')
-rw-r--r--include/powermanager/PowerHalController.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/include/powermanager/PowerHalController.h b/include/powermanager/PowerHalController.h
new file mode 100644
index 0000000000..44b8915875
--- /dev/null
+++ b/include/powermanager/PowerHalController.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2020 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 ANDROID_POWERHALCONTROLLER_H
+#define ANDROID_POWERHALCONTROLLER_H
+
+#include <android-base/thread_annotations.h>
+#include <android/hardware/power/Boost.h>
+#include <android/hardware/power/IPower.h>
+#include <android/hardware/power/Mode.h>
+
+#include <powermanager/PowerHalWrapper.h>
+
+using android::hardware::power::Boost;
+using android::hardware::power::Mode;
+using android::hardware::power::V1_0::Feature;
+using android::hardware::power::V1_0::PowerHint;
+
+namespace android {
+
+// -------------------------------------------------------------------------------------------------
+
+// Connects to underlying Power HAL handles.
+class PowerHalConnector {
+public:
+ PowerHalConnector() = default;
+ virtual ~PowerHalConnector() = default;
+
+ virtual std::unique_ptr<PowerHalWrapper> connect();
+ virtual void reset();
+};
+
+// -------------------------------------------------------------------------------------------------
+
+// Controller for Power HAL handle.
+// This relies on PowerHalConnector to connect to the underlying Power HAL service and reconnects to
+// it after each failed api call. This also ensures connecting to the service is thread-safe.
+class PowerHalController : public PowerHalWrapper {
+public:
+ PowerHalController() : PowerHalController(std::make_unique<PowerHalConnector>()) {}
+ explicit PowerHalController(std::unique_ptr<PowerHalConnector> connector)
+ : mHalConnector(std::move(connector)) {}
+
+ void init();
+
+ PowerHalResult setBoost(Boost boost, int32_t durationMs) override;
+ PowerHalResult setMode(Mode mode, bool enabled) override;
+
+private:
+ std::mutex mConnectedHalMutex;
+ std::unique_ptr<PowerHalConnector> mHalConnector;
+
+ // Shared pointers to keep global pointer and allow local copies to be used in different threads
+ std::shared_ptr<PowerHalWrapper> mConnectedHal GUARDED_BY(mConnectedHalMutex) = nullptr;
+ const std::shared_ptr<PowerHalWrapper> mDefaultHal = std::make_shared<EmptyPowerHalWrapper>();
+
+ std::shared_ptr<PowerHalWrapper> initHal();
+ PowerHalResult processHalResult(PowerHalResult result, const char* functionName);
+};
+
+// -------------------------------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_POWERHALCONTROLLER_H