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diff --git a/include/powermanager/PowerHalWrapper.h b/include/powermanager/PowerHalWrapper.h
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+/*
+ * 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_POWERHALWRAPPER_H
+#define ANDROID_POWERHALWRAPPER_H
+
+#include <android-base/thread_annotations.h>
+
+#include <android/hardware/power/1.1/IPower.h>
+#include <android/hardware/power/Boost.h>
+#include <android/hardware/power/IPower.h>
+#include <android/hardware/power/Mode.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;
+using IPowerV1_1 = android::hardware::power::V1_1::IPower;
+using IPowerV1_0 = android::hardware::power::V1_0::IPower;
+using IPowerAidl = android::hardware::power::IPower;
+
+namespace android {
+
+// State of Power HAL support for individual apis.
+enum class PowerHalSupport {
+    UNKNOWN = 0,
+    ON = 1,
+    OFF = 2,
+};
+
+// State of the Power HAL api call result.
+enum class PowerHalResult {
+    SUCCESSFUL = 0,
+    FAILED = 1,
+    UNSUPPORTED = 2,
+};
+
+// Wrapper for Power HAL handlers.
+class PowerHalWrapper {
+public:
+    virtual ~PowerHalWrapper() = default;
+
+    virtual PowerHalResult setBoost(Boost boost, int32_t durationMs) = 0;
+    virtual PowerHalResult setMode(Mode mode, bool enabled) = 0;
+};
+
+// Empty Power HAL wrapper that ignores all api calls.
+class EmptyPowerHalWrapper : public PowerHalWrapper {
+public:
+    EmptyPowerHalWrapper() = default;
+    ~EmptyPowerHalWrapper() = default;
+
+    PowerHalResult setBoost(Boost boost, int32_t durationMs) override;
+    PowerHalResult setMode(Mode mode, bool enabled) override;
+};
+
+// Wrapper for the HIDL Power HAL v1.0.
+class HidlPowerHalWrapperV1_0 : public PowerHalWrapper {
+public:
+    explicit HidlPowerHalWrapperV1_0(sp<IPowerV1_0> powerHal) : handleV1_0(std::move(powerHal)) {}
+    virtual ~HidlPowerHalWrapperV1_0() = default;
+
+    PowerHalResult setBoost(Boost boost, int32_t durationMs) override;
+    PowerHalResult setMode(Mode mode, bool enabled) override;
+
+protected:
+    virtual PowerHalResult sendPowerHint(PowerHint hintId, uint32_t data);
+
+private:
+    sp<IPowerV1_0> handleV1_0;
+    PowerHalResult setInteractive(bool enabled);
+    PowerHalResult setFeature(Feature feature, bool enabled);
+};
+
+// Wrapper for the HIDL Power HAL v1.1.
+class HidlPowerHalWrapperV1_1 : public HidlPowerHalWrapperV1_0 {
+public:
+    HidlPowerHalWrapperV1_1(sp<IPowerV1_0> powerHalV1_0, sp<IPowerV1_1> powerHalV1_1)
+        : HidlPowerHalWrapperV1_0(powerHalV1_0), handleV1_1(std::move(powerHalV1_1)) {}
+    ~HidlPowerHalWrapperV1_1() = default;
+
+protected:
+    virtual PowerHalResult sendPowerHint(PowerHint hintId, uint32_t data) override;
+
+private:
+    sp<IPowerV1_1> handleV1_1;
+};
+
+// Wrapper for the AIDL Power HAL.
+class AidlPowerHalWrapper : public PowerHalWrapper {
+public:
+    explicit AidlPowerHalWrapper(sp<IPowerAidl> powerHal) : handle(std::move(powerHal)) {}
+    ~AidlPowerHalWrapper() = default;
+
+    PowerHalResult setBoost(Boost boost, int32_t durationMs) override;
+    PowerHalResult setMode(Mode mode, bool enabled) override;
+
+private:
+    // Control access to the boost and mode supported arrays.
+    std::mutex mBoostMutex;
+    std::mutex mModeMutex;
+    sp<IPowerAidl> handle;
+    // Android framework only sends boost upto DISPLAY_UPDATE_IMMINENT.
+    // Need to increase the array size if more boost supported.
+    std::array<std::atomic<PowerHalSupport>, static_cast<int32_t>(Boost::DISPLAY_UPDATE_IMMINENT)+1>
+        boostSupportedArray GUARDED_BY(mBoostMutex) = {PowerHalSupport::UNKNOWN};
+    // Android framework only sends mode upto DISPLAY_INACTIVE.
+    // Need to increase the array if more mode supported.
+    std::array<std::atomic<PowerHalSupport>, static_cast<int32_t>(Mode::DISPLAY_INACTIVE)+1>
+        modeSupportedArray GUARDED_BY(mModeMutex) = {PowerHalSupport::UNKNOWN};
+};
+
+}; // namespace android
+
+#endif // ANDROID_POWERHALWRAPPER_H