| /* |
| * 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_THERMAL_V1_1_CROSSHATCH_THERMAL_H |
| #define ANDROID_HARDWARE_THERMAL_V1_1_CROSSHATCH_THERMAL_H |
| |
| #include <future> |
| #include <thread> |
| |
| #include <android/hardware/thermal/1.1/IThermalCallback.h> |
| #include <android/hardware/thermal/1.1/IThermal.h> |
| #include <hidl/Status.h> |
| #include <hidl/MQDescriptor.h> |
| |
| #include "thermal-helper.h" |
| #include "utils/device_file_watcher.h" |
| |
| namespace android { |
| namespace hardware { |
| namespace thermal { |
| namespace V1_1 { |
| namespace implementation { |
| |
| using ::android::hardware::hidl_vec; |
| using ::android::hardware::thermal::V1_1::IThermal; |
| using ::android::hardware::thermal::V1_1::IThermalCallback; |
| using ::android::hardware::Return; |
| using ::android::sp; |
| |
| // The thermalHAL implementation for B1C1. For more information on the high |
| // level design check out: go/pixel-2018-thermalhal-doc. |
| class Thermal : public IThermal, public hidl_death_recipient { |
| public: |
| Thermal(); |
| ~Thermal() = default; |
| |
| // Disallow copy and assign. |
| Thermal(const Thermal&) = delete; |
| void operator= (const Thermal&) = delete; |
| |
| // Notify listeners whenever the HAL sees cpu throttling. This will be |
| // registered as a callback to cpu_throttling_watcher. |
| void notifyIfThrottlingSeen( |
| const std::pair<std::string, std::string>& throttling_data); |
| |
| // This will be registered as a callback to cpu_throttling_watcher if we see |
| // a Q_OVERFLOW event. Right now this will just reread all throttling |
| // levels. |
| void resetStateWhenWatcherQueueOverflows(); |
| |
| // Methods from ::android::hardware::thermal::V1_0::IThermal. |
| Return<void> getTemperatures(getTemperatures_cb _hidl_cb) override; |
| Return<void> getCpuUsages(getCpuUsages_cb _hidl_cb) override; |
| Return<void> getCoolingDevices(getCoolingDevices_cb _hidl_cb) override; |
| |
| // Methods from ::android::hardware::thermal::V1_1::IThermal. |
| Return<void> registerThermalCallback( |
| const sp<IThermalCallback>& cb) override; |
| |
| // Methods from ::android::hardware::hidl_death_recipient. |
| void serviceDied(uint64_t cookie, const wp<IBase>& who) 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: |
| ThermalHelper thermal_helper_; |
| DeviceFileWatcher cpu_throttling_watcher_; |
| }; |
| |
| } // namespace implementation |
| } // namespace V1_1 |
| } // namespace thermal |
| } // namespace hardware |
| } // namespace android |
| |
| #endif // ANDROID_HARDWARE_THERMAL_V1_1_CROSSHATCH_THERMAL_H |