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 <Gs101CommonDataProviders.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
35 const char kBootRevision[] = "ro.boot.revision";
36 std::map<std::string, std::string> displayChannelNames = {
37 {"PROTO1.0", "PPVAR_VSYS_PWR_DISP"},
38 {"EVT1.0", "PPVAR_VSYS_PWR_DISP"},
39 {"EVT1.1", "VSYS_PWR_DISPLAY"},
40 };
41
addDisplay(std::shared_ptr<PowerStats> p)42 void addDisplay(std::shared_ptr<PowerStats> p) {
43 // Add display residency stats
44 struct stat buffer;
45 if (!stat("/sys/class/drm/card0/device/primary-panel/time_in_state", &buffer)) {
46 // time_in_state exists
47 addDisplayMrr(p);
48 } else {
49 // time_in_state doesn't exist
50 std::vector<std::string> states = {
51 "Off",
52 "LP: 1080x2400@30",
53 "On: 1080x2400@60",
54 "On: 1080x2400@90",
55 "HBM: 1080x2400@60",
56 };
57
58 p->addStateResidencyDataProvider(std::make_unique<DisplayStateResidencyDataProvider>("Display",
59 "/sys/class/backlight/panel0-backlight/state",
60 states));
61 }
62
63 std::string rev = android::base::GetProperty(kBootRevision, "");
64
65 std::string channelName;
66 if (displayChannelNames.find(rev) == displayChannelNames.end()) {
67 channelName = displayChannelNames["EVT1.1"];
68 } else {
69 channelName = displayChannelNames[rev];
70 }
71
72 // Add display energy consumer
73 /*
74 * TODO(b/167216667): Add correct display power model here. Must read from display rail
75 * and include proper coefficients for display states.
76 */
77 p->addEnergyConsumer(PowerStatsEnergyConsumer::createMeterAndEntityConsumer(p,
78 EnergyConsumerType::DISPLAY, "display", {channelName}, "Display",
79 {{"LP: 1080x2400@30", 1},
80 {"On: 1080x2400@60", 2},
81 {"On: 1080x2400@90", 3},
82 {"HBM: 1080x2400@60", 4}}));
83 }
84
main()85 int main() {
86 struct stat buffer;
87
88 LOG(INFO) << "Pixel PowerStats HAL AIDL Service is starting.";
89
90 // single thread
91 ABinderProcess_setThreadPoolMaxThreadCount(0);
92
93 std::shared_ptr<PowerStats> p = ndk::SharedRefBase::make<PowerStats>();
94
95 addGs101CommonDataProviders(p);
96 addDisplay(p);
97 if (!stat("/sys/devices/platform/10960000.hsi2c/i2c-7/7-0008/power_stats", &buffer)) {
98 addNFC(p, "/sys/devices/platform/10960000.hsi2c/i2c-7/7-0008/power_stats");
99 }
100 const std::string instance = std::string() + PowerStats::descriptor + "/default";
101 binder_status_t status = AServiceManager_addService(p->asBinder().get(), instance.c_str());
102 LOG_ALWAYS_FATAL_IF(status != STATUS_OK);
103
104 ABinderProcess_joinThreadPool();
105 return EXIT_FAILURE; // should not reach
106 }
107