1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_HARDWARE_POWERSTATS_V1_0_POWERSTATS_H 18 #define ANDROID_HARDWARE_POWERSTATS_V1_0_POWERSTATS_H 19 20 #include <android/hardware/power/stats/1.0/IPowerStats.h> 21 #include <fmq/MessageQueue.h> 22 #include <hidl/MQDescriptor.h> 23 #include <hidl/Status.h> 24 #include <unordered_map> 25 26 namespace android { 27 namespace hardware { 28 namespace power { 29 namespace stats { 30 namespace V1_0 { 31 namespace implementation { 32 33 using ::android::hardware::hidl_vec; 34 using ::android::hardware::kSynchronizedReadWrite; 35 using ::android::hardware::Return; 36 using ::android::hardware::Void; 37 using ::android::hardware::power::stats::V1_0::EnergyData; 38 using ::android::hardware::power::stats::V1_0::PowerEntityInfo; 39 using ::android::hardware::power::stats::V1_0::PowerEntityStateInfo; 40 using ::android::hardware::power::stats::V1_0::PowerEntityStateResidencyData; 41 using ::android::hardware::power::stats::V1_0::PowerEntityStateResidencyResult; 42 using ::android::hardware::power::stats::V1_0::PowerEntityStateSpace; 43 using ::android::hardware::power::stats::V1_0::PowerEntityType; 44 using ::android::hardware::power::stats::V1_0::RailInfo; 45 using ::android::hardware::power::stats::V1_0::Status; 46 47 typedef MessageQueue<EnergyData, kSynchronizedReadWrite> MessageQueueSync; 48 struct RailData { 49 std::string devicePath; 50 uint32_t index; 51 std::string subsysName; 52 uint32_t samplingRate; 53 }; 54 55 struct OnDeviceMmt { 56 std::mutex mLock; 57 bool hwEnabled; 58 std::vector<std::string> devicePaths; 59 std::map<std::string, RailData> railsInfo; 60 std::vector<EnergyData> reading; 61 std::unique_ptr<MessageQueueSync> fmqSynchronized; 62 }; 63 64 class IStateResidencyDataProvider { 65 public: 66 virtual ~IStateResidencyDataProvider() = default; 67 virtual bool getResults( 68 std::unordered_map<uint32_t, PowerEntityStateResidencyResult>& results) = 0; 69 virtual std::vector<PowerEntityStateSpace> getStateSpaces() = 0; 70 }; 71 72 struct PowerStats : public IPowerStats { 73 public: 74 PowerStats(); 75 uint32_t addPowerEntity(const std::string& name, PowerEntityType type); 76 void addStateResidencyDataProvider(std::shared_ptr<IStateResidencyDataProvider> p); 77 // Methods from ::android::hardware::power::stats::V1_0::IPowerStats follow. 78 Return<void> getRailInfo(getRailInfo_cb _hidl_cb) override; 79 Return<void> getEnergyData(const hidl_vec<uint32_t>& railIndices, 80 getEnergyData_cb _hidl_cb) override; 81 Return<void> streamEnergyData(uint32_t timeMs, uint32_t samplingRate, 82 streamEnergyData_cb _hidl_cb) override; 83 Return<void> getPowerEntityInfo(getPowerEntityInfo_cb _hidl_cb) override; 84 Return<void> getPowerEntityStateInfo(const hidl_vec<uint32_t>& powerEntityIds, 85 getPowerEntityStateInfo_cb _hidl_cb) override; 86 Return<void> getPowerEntityStateResidencyData( 87 const hidl_vec<uint32_t>& powerEntityIds, 88 getPowerEntityStateResidencyData_cb _hidl_cb) override; 89 90 // Methods from ::android::hidl::base::V1_0::IBase follow. 91 Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& args) override; 92 93 private: 94 OnDeviceMmt mPm; 95 void findIioPowerMonitorNodes(); 96 size_t parsePowerRails(); 97 int parseIioEnergyNode(std::string devName); 98 Status parseIioEnergyNodes(); 99 std::vector<PowerEntityInfo> mPowerEntityInfos; 100 std::unordered_map<uint32_t, PowerEntityStateSpace> mPowerEntityStateSpaces; 101 std::unordered_map<uint32_t, std::shared_ptr<IStateResidencyDataProvider>> 102 mStateResidencyDataProviders; 103 }; 104 105 } // namespace implementation 106 } // namespace V1_0 107 } // namespace stats 108 } // namespace power 109 } // namespace hardware 110 } // namespace android 111 112 #endif // ANDROID_HARDWARE_POWERSTATS_V1_0_POWERSTATS_H 113