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137 lines
6.0 KiB
137 lines
6.0 KiB
/*
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* Copyright (c) 2018, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <array>
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#include <chrono>
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#include <mutex>
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#include <shared_mutex>
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#include <string>
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#include <string_view>
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#include <thread>
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#include <unordered_map>
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#include <vector>
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#include <android/hardware/thermal/2.0/IThermal.h>
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#include "utils/config_parser.h"
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#include "utils/thermal_files.h"
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#include "utils/thermal_watcher.h"
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namespace android {
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namespace hardware {
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namespace thermal {
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namespace V2_0 {
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namespace implementation {
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using ::android::hardware::hidl_vec;
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using ::android::hardware::thermal::V1_0::CpuUsage;
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using ::android::hardware::thermal::V2_0::CoolingType;
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using ::android::hardware::thermal::V2_0::IThermal;
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using CoolingDevice_1_0 = ::android::hardware::thermal::V1_0::CoolingDevice;
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using CoolingDevice_2_0 = ::android::hardware::thermal::V2_0::CoolingDevice;
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using Temperature_1_0 = ::android::hardware::thermal::V1_0::Temperature;
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using Temperature_2_0 = ::android::hardware::thermal::V2_0::Temperature;
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using TemperatureType_1_0 = ::android::hardware::thermal::V1_0::TemperatureType;
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using TemperatureType_2_0 = ::android::hardware::thermal::V2_0::TemperatureType;
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using ::android::hardware::thermal::V2_0::TemperatureThreshold;
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using ::android::hardware::thermal::V2_0::ThrottlingSeverity;
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using NotificationCallback = std::function<void(const std::vector<Temperature_2_0> &temps)>;
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using NotificationTime = std::chrono::time_point<std::chrono::steady_clock>;
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struct SensorStatus {
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ThrottlingSeverity severity;
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ThrottlingSeverity prev_hot_severity;
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ThrottlingSeverity prev_cold_severity;
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};
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class ThermalHelper {
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public:
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ThermalHelper(const NotificationCallback &cb);
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~ThermalHelper() = default;
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bool fillTemperatures(hidl_vec<Temperature_1_0> *temperatures) const;
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bool fillCurrentTemperatures(bool filterType, TemperatureType_2_0 type,
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hidl_vec<Temperature_2_0> *temperatures) const;
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bool fillTemperatureThresholds(bool filterType, TemperatureType_2_0 type,
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hidl_vec<TemperatureThreshold> *thresholds) const;
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bool fillCurrentCoolingDevices(bool filterType, CoolingType type,
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hidl_vec<CoolingDevice_2_0> *coolingdevices) const;
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bool fillCpuUsages(hidl_vec<CpuUsage> *cpu_usages) const;
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// Dissallow copy and assign.
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ThermalHelper(const ThermalHelper &) = delete;
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void operator=(const ThermalHelper &) = delete;
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bool isInitializedOk() const { return is_initialized_; }
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// Read the temperature of a single sensor.
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bool readTemperature(std::string_view sensor_name, Temperature_1_0 *out) const;
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bool readTemperature(
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std::string_view sensor_name, Temperature_2_0 *out,
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std::pair<ThrottlingSeverity, ThrottlingSeverity> *throtting_status = nullptr) const;
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bool readTemperatureThreshold(std::string_view sensor_name, TemperatureThreshold *out) const;
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// Read the value of a single cooling device.
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bool readCoolingDevice(std::string_view cooling_device, CoolingDevice_2_0 *out) const;
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// Get SensorInfo Map
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const std::map<std::string, SensorInfo> &GetSensorInfoMap() const { return sensor_info_map_; }
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private:
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bool initializeSensorMap(const std::map<std::string, std::string> &path_map);
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bool initializeCoolingDevices(const std::map<std::string, std::string> &path_map);
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bool initializeTrip(const std::map<std::string, std::string> &path_map);
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// For thermal_watcher_'s polling thread
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bool thermalWatcherCallbackFunc(const std::set<std::string> &uevent_sensors);
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// Return hot and cold severity status as std::pair
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std::pair<ThrottlingSeverity, ThrottlingSeverity> getSeverityFromThresholds(
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const ThrottlingArray &hot_thresholds, const ThrottlingArray &cold_thresholds,
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const ThrottlingArray &hot_hysteresis, const ThrottlingArray &cold_hysteresis,
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ThrottlingSeverity prev_hot_severity, ThrottlingSeverity prev_cold_severity,
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float value) const;
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sp<ThermalWatcher> thermal_watcher_;
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ThermalFiles thermal_sensors_;
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ThermalFiles cooling_devices_;
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bool is_initialized_;
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const NotificationCallback cb_;
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const std::map<std::string, CoolingType> cooling_device_info_map_;
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const std::map<std::string, SensorInfo> sensor_info_map_;
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mutable std::shared_mutex sensor_status_map_mutex_;
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std::map<std::string, SensorStatus> sensor_status_map_;
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};
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} // namespace implementation
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} // namespace V2_0
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} // namespace thermal
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} // namespace hardware
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} // namespace android
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