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 <Gs201CommonDataProviders.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 #include <sys/stat.h>
30
31 using aidl::android::hardware::power::stats::DisplayStateResidencyDataProvider;
32 using aidl::android::hardware::power::stats::EnergyConsumerType;
33 using aidl::android::hardware::power::stats::PowerStatsEnergyConsumer;
34
addDisplay(std::shared_ptr<PowerStats> p)35 void addDisplay(std::shared_ptr<PowerStats> p) {
36 // Add display residency stats
37 struct stat buffer;
38 if (!stat("/sys/class/drm/card0/device/primary-panel/time_in_state", &buffer)) {
39 // time_in_state exists
40 addDisplayMrr(p);
41 } else {
42 // time_in_state doesn't exist
43 std::vector<std::string> states = {
44 "Off",
45 "LP: 1080x2400@30",
46 "On: 1080x2400@60",
47 "On: 1080x2400@90",
48 "HBM: 1080x2400@60",
49 "HBM: 1080x2400@90"};
50
51 p->addStateResidencyDataProvider(std::make_unique<DisplayStateResidencyDataProvider>(
52 "Display",
53 "/sys/class/backlight/panel0-backlight/state",
54 states));
55 }
56
57 // Add display energy consumer
58 p->addEnergyConsumer(PowerStatsEnergyConsumer::createMeterAndEntityConsumer(
59 p, EnergyConsumerType::DISPLAY, "display", {"VSYS_PWR_DISPLAY"}, "Display",
60 {{"LP: 1080x2400@30", 1},
61 {"On: 1080x2400@60", 2},
62 {"On: 1080x2400@90", 3},
63 {"HBM: 1080x2400@60", 4},
64 {"HBM: 1080x2400@90", 5}}));
65 }
66
main()67 int main() {
68 struct stat buffer;
69
70 LOG(INFO) << "Pixel PowerStats HAL AIDL Service is starting.";
71
72 // single thread
73 ABinderProcess_setThreadPoolMaxThreadCount(0);
74
75 std::shared_ptr<PowerStats> p = ndk::SharedRefBase::make<PowerStats>();
76
77 addGs201CommonDataProviders(p);
78 addDisplay(p);
79
80 if (!stat("/sys/devices/platform/10970000.hsi2c/i2c-8/8-0008/power_stats", &buffer)) {
81 addNFC(p, "/sys/devices/platform/10970000.hsi2c/i2c-8/8-0008/power_stats");
82 }
83 const std::string instance = std::string() + PowerStats::descriptor + "/default";
84 binder_status_t status = AServiceManager_addService(p->asBinder().get(), instance.c_str());
85 LOG_ALWAYS_FATAL_IF(status != STATUS_OK);
86
87 ABinderProcess_joinThreadPool();
88 return EXIT_FAILURE; // should not reach
89 }
90