140 lines
4.1 KiB
C++
140 lines
4.1 KiB
C++
/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "powerhal_helper.h"
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#include <android-base/file.h>
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#include <android-base/logging.h>
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#include <android-base/properties.h>
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#include <android-base/stringprintf.h>
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#include <android-base/strings.h>
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#include <android/binder_manager.h>
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#include <hidl/HidlTransportSupport.h>
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#include <iterator>
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#include <set>
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#include <sstream>
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#include <thread>
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#include <vector>
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#include "thermal_info.h"
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#include "thermal_throttling.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::base::StringPrintf;
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PowerHalService::PowerHalService()
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: power_hal_aidl_exist_(true), power_hal_aidl_(nullptr), power_hal_ext_aidl_(nullptr) {
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connect();
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}
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bool PowerHalService::connect() {
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std::lock_guard<std::mutex> lock(lock_);
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if (!power_hal_aidl_exist_) {
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return false;
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}
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if (power_hal_aidl_ && power_hal_ext_aidl_) {
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return true;
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}
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const std::string kInstance = std::string(IPower::descriptor) + "/default";
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ndk::SpAIBinder power_binder = ndk::SpAIBinder(AServiceManager_getService(kInstance.c_str()));
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ndk::SpAIBinder ext_power_binder;
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if (power_binder.get() == nullptr) {
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LOG(ERROR) << "Cannot get Power Hal Binder";
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power_hal_aidl_exist_ = false;
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return false;
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}
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power_hal_aidl_ = IPower::fromBinder(power_binder);
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if (power_hal_aidl_ == nullptr) {
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power_hal_aidl_exist_ = false;
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LOG(ERROR) << "Cannot get Power Hal AIDL" << kInstance.c_str();
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return false;
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}
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if (STATUS_OK != AIBinder_getExtension(power_binder.get(), ext_power_binder.getR()) ||
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ext_power_binder.get() == nullptr) {
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LOG(ERROR) << "Cannot get Power Hal Extension Binder";
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power_hal_aidl_exist_ = false;
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return false;
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}
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power_hal_ext_aidl_ = IPowerExt::fromBinder(ext_power_binder);
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if (power_hal_ext_aidl_ == nullptr) {
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LOG(ERROR) << "Cannot get Power Hal Extension AIDL";
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power_hal_aidl_exist_ = false;
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}
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return true;
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}
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bool PowerHalService::isModeSupported(const std::string &type, const ThrottlingSeverity &t) {
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bool isSupported = false;
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if (!connect()) {
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return false;
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}
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std::string power_hint = StringPrintf("THERMAL_%s_%s", type.c_str(), toString(t).c_str());
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lock_.lock();
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if (!power_hal_ext_aidl_->isModeSupported(power_hint, &isSupported).isOk()) {
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LOG(ERROR) << "Fail to check supported mode, Hint: " << power_hint;
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power_hal_ext_aidl_ = nullptr;
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power_hal_aidl_ = nullptr;
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lock_.unlock();
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return false;
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}
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lock_.unlock();
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return isSupported;
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}
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void PowerHalService::setMode(const std::string &type, const ThrottlingSeverity &t,
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const bool &enable, const bool error_on_exit) {
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if (!connect()) {
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return;
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}
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std::string power_hint = StringPrintf("THERMAL_%s_%s", type.c_str(), toString(t).c_str());
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LOG(INFO) << (error_on_exit ? "Resend Hint " : "Send Hint ") << power_hint
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<< " Enable: " << std::boolalpha << enable;
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lock_.lock();
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if (!power_hal_ext_aidl_->setMode(power_hint, enable).isOk()) {
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LOG(ERROR) << "Fail to set mode, Hint: " << power_hint;
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power_hal_ext_aidl_ = nullptr;
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power_hal_aidl_ = nullptr;
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lock_.unlock();
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if (!error_on_exit) {
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setMode(type, t, enable, true);
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}
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return;
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}
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lock_.unlock();
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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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