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/*
* Copyright (C) 2018 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_HARDWARE_POWERSTATS_V1_0_POWERSTATS_H
#define ANDROID_HARDWARE_POWERSTATS_V1_0_POWERSTATS_H
#include <android/hardware/power/stats/1.0/IPowerStats.h>
#include <fmq/MessageQueue.h>
#include <hidl/MQDescriptor.h>
#include <hidl/Status.h>
#include <unordered_map>
namespace android {
namespace hardware {
namespace power {
namespace stats {
namespace V1_0 {
namespace implementation {
using ::android::hardware::hidl_vec;
using ::android::hardware::kSynchronizedReadWrite;
using ::android::hardware::Return;
using ::android::hardware::Void;
using ::android::hardware::power::stats::V1_0::EnergyData;
using ::android::hardware::power::stats::V1_0::PowerEntityInfo;
using ::android::hardware::power::stats::V1_0::PowerEntityStateInfo;
using ::android::hardware::power::stats::V1_0::PowerEntityStateResidencyData;
using ::android::hardware::power::stats::V1_0::PowerEntityStateResidencyResult;
using ::android::hardware::power::stats::V1_0::PowerEntityStateSpace;
using ::android::hardware::power::stats::V1_0::PowerEntityType;
using ::android::hardware::power::stats::V1_0::RailInfo;
using ::android::hardware::power::stats::V1_0::Status;
typedef MessageQueue<EnergyData, kSynchronizedReadWrite> MessageQueueSync;
struct RailData {
std::string devicePath;
uint32_t index;
std::string subsysName;
uint32_t samplingRate;
};
struct OnDeviceMmt {
std::mutex mLock;
bool hwEnabled;
std::vector<std::string> devicePaths;
std::map<std::string, RailData> railsInfo;
std::vector<EnergyData> reading;
std::unique_ptr<MessageQueueSync> fmqSynchronized;
};
class IStateResidencyDataProvider {
public:
virtual ~IStateResidencyDataProvider() = default;
virtual bool getResults(
std::unordered_map<uint32_t, PowerEntityStateResidencyResult>& results) = 0;
virtual std::vector<PowerEntityStateSpace> getStateSpaces() = 0;
};
struct PowerStats : public IPowerStats {
public:
PowerStats();
uint32_t addPowerEntity(const std::string& name, PowerEntityType type);
void addStateResidencyDataProvider(std::shared_ptr<IStateResidencyDataProvider> p);
// Methods from ::android::hardware::power::stats::V1_0::IPowerStats follow.
Return<void> getRailInfo(getRailInfo_cb _hidl_cb) override;
Return<void> getEnergyData(const hidl_vec<uint32_t>& railIndices,
getEnergyData_cb _hidl_cb) override;
Return<void> streamEnergyData(uint32_t timeMs, uint32_t samplingRate,
streamEnergyData_cb _hidl_cb) override;
Return<void> getPowerEntityInfo(getPowerEntityInfo_cb _hidl_cb) override;
Return<void> getPowerEntityStateInfo(const hidl_vec<uint32_t>& powerEntityIds,
getPowerEntityStateInfo_cb _hidl_cb) override;
Return<void> getPowerEntityStateResidencyData(
const hidl_vec<uint32_t>& powerEntityIds,
getPowerEntityStateResidencyData_cb _hidl_cb) override;
// Methods from ::android::hidl::base::V1_0::IBase follow.
Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& args) override;
private:
OnDeviceMmt mPm;
void findIioPowerMonitorNodes();
size_t parsePowerRails();
int parseIioEnergyNode(std::string devName);
Status parseIioEnergyNodes();
std::vector<PowerEntityInfo> mPowerEntityInfos;
std::unordered_map<uint32_t, PowerEntityStateSpace> mPowerEntityStateSpaces;
std::unordered_map<uint32_t, std::shared_ptr<IStateResidencyDataProvider>>
mStateResidencyDataProviders;
};
} // namespace implementation
} // namespace V1_0
} // namespace stats
} // namespace power
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_POWERSTATS_V1_0_POWERSTATS_H
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