| /* |
| * Copyright (c) 2018, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef __THERMAL_HELPER_H__ |
| #define __THERMAL_HELPER_H__ |
| |
| #include <list> |
| #include <string> |
| #include <unordered_map> |
| #include <vector> |
| |
| #include <ftw.h> |
| #include <fnmatch.h> |
| |
| #include <android/hardware/thermal/1.0/IThermal.h> |
| #include "utils/cooling_devices.h" |
| #include "utils/sensors.h" |
| |
| namespace android { |
| namespace hardware { |
| namespace thermal { |
| namespace V1_1 { |
| namespace implementation { |
| |
| using ::android::hardware::hidl_vec; |
| using ::android::hardware::thermal::V1_0::CpuUsage; |
| using ::android::hardware::thermal::V1_0::Temperature; |
| using ::android::hardware::thermal::V1_0::TemperatureType; |
| |
| struct SensorInfo { |
| TemperatureType type; |
| bool is_override; |
| float throttling; |
| float shutdown; |
| float multiplier; |
| }; |
| |
| struct ThrottlingThresholds { |
| ThrottlingThresholds() : cpu(NAN), gpu(NAN), ss(NAN), battery(NAN) {} |
| float cpu; |
| float gpu; |
| float ss; |
| float battery; |
| }; |
| |
| class ThermalHelper { |
| public: |
| ThermalHelper(); |
| ~ThermalHelper() = default; |
| |
| bool fillTemperatures(hidl_vec<Temperature>* temperatures); |
| bool fillCpuUsages(hidl_vec<CpuUsage>* cpu_usages); |
| |
| // Dissallow copy and assign. |
| ThermalHelper(const ThermalHelper&) = delete; |
| void operator=(const ThermalHelper&) = delete; |
| |
| bool isInitializedOk() const { return is_initialized_; } |
| |
| // Checks the throttling data after seeing a modification. This function |
| // will store the new throttling number into the throttling level map, decide |
| // whether we should notify for throttling, and set the is_throttling and |
| // temperature params used to call notifyThrottling(). Returns true if we |
| // need to notify for throttling and sets the notify params accordingly. If |
| // not the function returns false and leaves notify_params untouched. |
| bool checkThrottlingData( |
| const std::pair<std::string, std::string>& throttling_data, |
| std::pair<bool, Temperature>* notify_params); |
| |
| // Returns a vector of all cooling devices that has been found on the |
| // device. |
| std::vector<std::string> getCoolingDevicePaths(); |
| |
| // Read the temperature of a single sensor. |
| bool readTemperature( |
| const std::string& sensor_name, Temperature* out) const; |
| |
| // Read the value of a single cooling device. |
| bool readCoolingDevice(const std::string& cooling_device, int* data) const; |
| |
| const std::map<std::string, std::string>& getValidCoolingDeviceMap() const; |
| |
| private: |
| bool initializeSensorMap(); |
| bool initializeCoolingDevices(); |
| |
| // Read the throttling levels from |
| // cooling_device_path_to_throttling_level_map_ and return the maximum level |
| // of throttling. |
| int getMaxThrottlingLevelFromMap() const; |
| |
| // We don't use a variable here because notifyIfThrottlingSeen() uses it and |
| // we might end up calling it before having it initialized. |
| static std::string getSkinSensorType(); |
| |
| // Update setting not in thermal config |
| void updateOverideThresholds(); |
| |
| Sensors thermal_sensors_; |
| CoolingDevices cooling_devices_; |
| std::unordered_map<std::string, int> |
| cooling_device_path_to_throttling_level_map_; |
| ThrottlingThresholds thresholds_; |
| ThrottlingThresholds vr_thresholds_; |
| ThrottlingThresholds shutdown_thresholds_; |
| const bool is_initialized_; |
| }; |
| |
| } // namespace implementation |
| } // namespace V1_1 |
| } // namespace thermal |
| } // namespace hardware |
| } // namespace android |
| |
| #endif // __THERMAL_HELPER_H__ |