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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.
*/
#pragma once
#include <aidl/android/hardware/power/Boost.h>
#include <aidl/android/hardware/power/ChannelConfig.h>
#include <aidl/android/hardware/power/IPower.h>
#include <aidl/android/hardware/power/IPowerHintSession.h>
#include <aidl/android/hardware/power/Mode.h>
#include <aidl/android/hardware/power/SessionConfig.h>
#include <android-base/thread_annotations.h>
#include <android/hardware/power/1.1/IPower.h>
#include <android/hardware/power/1.2/IPower.h>
#include <android/hardware/power/1.3/IPower.h>
#include <powermanager/HalResult.h>
#include <powermanager/PowerHintSessionWrapper.h>
#include <binder/Status.h>
#include <utility>
namespace android {
namespace power {
// State of Power HAL support for individual apis.
enum class HalSupport {
UNKNOWN = 0,
ON = 1,
OFF = 2,
};
// Wrapper for Power HAL handlers.
class HalWrapper {
public:
virtual ~HalWrapper() = default;
virtual HalResult<void> setBoost(aidl::android::hardware::power::Boost boost,
int32_t durationMs) = 0;
virtual HalResult<void> setMode(aidl::android::hardware::power::Mode mode, bool enabled) = 0;
virtual HalResult<std::shared_ptr<PowerHintSessionWrapper>> createHintSession(
int32_t tgid, int32_t uid, const std::vector<int32_t>& threadIds,
int64_t durationNanos) = 0;
virtual HalResult<std::shared_ptr<PowerHintSessionWrapper>> createHintSessionWithConfig(
int32_t tgid, int32_t uid, const std::vector<int32_t>& threadIds, int64_t durationNanos,
aidl::android::hardware::power::SessionTag tag,
aidl::android::hardware::power::SessionConfig* config) = 0;
virtual HalResult<int64_t> getHintSessionPreferredRate() = 0;
virtual HalResult<aidl::android::hardware::power::ChannelConfig> getSessionChannel(int tgid,
int uid) = 0;
virtual HalResult<void> closeSessionChannel(int tgid, int uid) = 0;
virtual HalResult<aidl::android::hardware::power::SupportInfo> getSupportInfo() = 0;
};
// Empty Power HAL wrapper that ignores all api calls.
class EmptyHalWrapper : public HalWrapper {
public:
EmptyHalWrapper() = default;
~EmptyHalWrapper() override = default;
HalResult<void> setBoost(aidl::android::hardware::power::Boost boost,
int32_t durationMs) override;
HalResult<void> setMode(aidl::android::hardware::power::Mode mode, bool enabled) override;
HalResult<std::shared_ptr<PowerHintSessionWrapper>> createHintSession(
int32_t tgid, int32_t uid, const std::vector<int32_t>& threadIds,
int64_t durationNanos) override;
HalResult<std::shared_ptr<PowerHintSessionWrapper>> createHintSessionWithConfig(
int32_t tgid, int32_t uid, const std::vector<int32_t>& threadIds, int64_t durationNanos,
aidl::android::hardware::power::SessionTag tag,
aidl::android::hardware::power::SessionConfig* config) override;
HalResult<int64_t> getHintSessionPreferredRate() override;
HalResult<aidl::android::hardware::power::ChannelConfig> getSessionChannel(int tgid,
int uid) override;
HalResult<void> closeSessionChannel(int tgid, int uid) override;
HalResult<aidl::android::hardware::power::SupportInfo> getSupportInfo() override;
protected:
virtual const char* getUnsupportedMessage();
};
// Wrapper for the HIDL Power HAL v1.0.
class HidlHalWrapperV1_0 : public EmptyHalWrapper {
public:
explicit HidlHalWrapperV1_0(sp<hardware::power::V1_0::IPower> handleV1_0)
: mHandleV1_0(std::move(handleV1_0)) {}
~HidlHalWrapperV1_0() override = default;
HalResult<void> setBoost(aidl::android::hardware::power::Boost boost,
int32_t durationMs) override;
HalResult<void> setMode(aidl::android::hardware::power::Mode mode, bool enabled) override;
protected:
const sp<hardware::power::V1_0::IPower> mHandleV1_0;
virtual HalResult<void> sendPowerHint(hardware::power::V1_3::PowerHint hintId, uint32_t data);
const char* getUnsupportedMessage();
private:
HalResult<void> setInteractive(bool enabled);
HalResult<void> setFeature(hardware::power::V1_0::Feature feature, bool enabled);
};
// Wrapper for the HIDL Power HAL v1.1.
class HidlHalWrapperV1_1 : public HidlHalWrapperV1_0 {
public:
explicit HidlHalWrapperV1_1(sp<hardware::power::V1_1::IPower> handleV1_1)
: HidlHalWrapperV1_0(std::move(handleV1_1)) {}
~HidlHalWrapperV1_1() override = default;
protected:
HalResult<void> sendPowerHint(hardware::power::V1_3::PowerHint hintId, uint32_t data) override;
};
// Wrapper for the HIDL Power HAL v1.2.
class HidlHalWrapperV1_2 : public HidlHalWrapperV1_1 {
public:
HalResult<void> setBoost(aidl::android::hardware::power::Boost boost,
int32_t durationMs) override;
HalResult<void> setMode(aidl::android::hardware::power::Mode mode, bool enabled) override;
explicit HidlHalWrapperV1_2(sp<hardware::power::V1_2::IPower> handleV1_2)
: HidlHalWrapperV1_1(std::move(handleV1_2)) {}
~HidlHalWrapperV1_2() override = default;
protected:
HalResult<void> sendPowerHint(hardware::power::V1_3::PowerHint hintId, uint32_t data) override;
};
// Wrapper for the HIDL Power HAL v1.3.
class HidlHalWrapperV1_3 : public HidlHalWrapperV1_2 {
public:
HalResult<void> setMode(aidl::android::hardware::power::Mode mode, bool enabled) override;
explicit HidlHalWrapperV1_3(sp<hardware::power::V1_3::IPower> handleV1_3)
: HidlHalWrapperV1_2(std::move(handleV1_3)) {}
~HidlHalWrapperV1_3() override = default;
protected:
HalResult<void> sendPowerHint(hardware::power::V1_3::PowerHint hintId, uint32_t data) override;
};
// Wrapper for the AIDL Power HAL.
class AidlHalWrapper : public EmptyHalWrapper {
public:
explicit AidlHalWrapper(std::shared_ptr<aidl::android::hardware::power::IPower> handle)
: mHandle(std::move(handle)) {}
~AidlHalWrapper() override = default;
HalResult<void> setBoost(aidl::android::hardware::power::Boost boost,
int32_t durationMs) override;
HalResult<void> setMode(aidl::android::hardware::power::Mode mode, bool enabled) override;
HalResult<std::shared_ptr<PowerHintSessionWrapper>> createHintSession(
int32_t tgid, int32_t uid, const std::vector<int32_t>& threadIds,
int64_t durationNanos) override;
HalResult<std::shared_ptr<PowerHintSessionWrapper>> createHintSessionWithConfig(
int32_t tgid, int32_t uid, const std::vector<int32_t>& threadIds, int64_t durationNanos,
aidl::android::hardware::power::SessionTag tag,
aidl::android::hardware::power::SessionConfig* config) override;
HalResult<int64_t> getHintSessionPreferredRate() override;
HalResult<aidl::android::hardware::power::ChannelConfig> getSessionChannel(int tgid,
int uid) override;
HalResult<void> closeSessionChannel(int tgid, int uid) override;
HalResult<aidl::android::hardware::power::SupportInfo> getSupportInfo() override;
protected:
const char* getUnsupportedMessage() override;
private:
// Control access to the boost and mode supported arrays.
std::mutex mBoostMutex;
std::mutex mModeMutex;
std::shared_ptr<aidl::android::hardware::power::IPower> mHandle;
std::array<HalSupport,
static_cast<int32_t>(
*(ndk::enum_range<aidl::android::hardware::power::Boost>().end() - 1)) +
1>
mBoostSupportedArray GUARDED_BY(mBoostMutex) = {HalSupport::UNKNOWN};
std::array<HalSupport,
static_cast<int32_t>(
*(ndk::enum_range<aidl::android::hardware::power::Mode>().end() - 1)) +
1>
mModeSupportedArray GUARDED_BY(mModeMutex) = {HalSupport::UNKNOWN};
};
}; // namespace power
}; // namespace android
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