1 /*
2  * Copyright (C) 2021 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 #define LOG_TAG "android.hardware.power.stats-service.pixel"
18 
19 #include <dataproviders/DisplayStateResidencyDataProvider.h>
20 #include <dataproviders/PowerStatsEnergyConsumer.h>
21 #include <ZumaProCommonDataProviders.h>
22 #include <PowerStatsAidl.h>
23 
24 #include <android-base/logging.h>
25 #include <android-base/properties.h>
26 #include <android/binder_manager.h>
27 #include <android/binder_process.h>
28 #include <log/log.h>
29 
30 using aidl::android::hardware::power::stats::DisplayStateResidencyDataProvider;
31 using aidl::android::hardware::power::stats::EnergyConsumerType;
32 using aidl::android::hardware::power::stats::PowerStatsEnergyConsumer;
33 
addDisplay(std::shared_ptr<PowerStats> p)34 void addDisplay(std::shared_ptr<PowerStats> p) {
35     // Add display residency stats
36     std::vector<std::string> states = {
37         "Off",
38         "LP: 1440x3120@30",
39         "On: 1440x3120@60",
40         "On: 1440x3120@90",
41         "HBM: 1440x3120@60",
42         "HBM: 1440x3120@90"};
43 
44     p->addStateResidencyDataProvider(std::make_unique<DisplayStateResidencyDataProvider>(
45             "Display",
46             "/sys/class/backlight/panel0-backlight/state",
47             states));
48 
49     // Add display energy consumer
50     p->addEnergyConsumer(PowerStatsEnergyConsumer::createMeterConsumer(
51             p,
52             EnergyConsumerType::DISPLAY,
53             "Display",
54             {"VSYS_PWR_DISPLAY"}));
55 }
56 
main()57 int main() {
58     LOG(INFO) << "Pixel PowerStats HAL AIDL Service is starting.";
59 
60     // single thread
61     ABinderProcess_setThreadPoolMaxThreadCount(0);
62 
63     std::shared_ptr<PowerStats> p = ndk::SharedRefBase::make<PowerStats>();
64 
65     addZumaProCommonDataProviders(p);
66     addDisplay(p);
67 
68     const std::string instance = std::string() + PowerStats::descriptor + "/default";
69     binder_status_t status = AServiceManager_addService(p->asBinder().get(), instance.c_str());
70     LOG_ALWAYS_FATAL_IF(status != STATUS_OK);
71 
72     ABinderProcess_joinThreadPool();
73     return EXIT_FAILURE;  // should not reach
74 }
75