1 /*
2  * Copyright (C) 2020 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@1.0-service.pixel"
18 
19 #include <android-base/properties.h>
20 #include <android/log.h>
21 #include <binder/IPCThreadState.h>
22 #include <binder/IServiceManager.h>
23 #include <binder/ProcessState.h>
24 #include <hidl/HidlTransportSupport.h>
25 
26 #include <pixelpowerstats/AidlStateResidencyDataProvider.h>
27 #include <pixelpowerstats/GenericStateResidencyDataProvider.h>
28 #include <pixelpowerstats/PowerStats.h>
29 #include <pixelpowerstats/WlanStateResidencyDataProvider.h>
30 #include <pixelpowerstats/DisplayStateResidencyDataProvider.h>
31 
32 #include "RailDataProvider.h"
33 
34 using android::OK;
35 using android::sp;
36 using android::status_t;
37 
38 // libhwbinder:
39 using android::hardware::configureRpcThreadpool;
40 using android::hardware::joinRpcThreadpool;
41 
42 // Generated HIDL files
43 using android::hardware::power::stats::V1_0::IPowerStats;
44 using android::hardware::power::stats::V1_0::PowerEntityInfo;
45 using android::hardware::power::stats::V1_0::PowerEntityStateSpace;
46 using android::hardware::power::stats::V1_0::PowerEntityType;
47 using android::hardware::power::stats::V1_0::implementation::PowerStats;
48 
49 // Pixel specific
50 using android::hardware::google::pixel::powerstats::AidlStateResidencyDataProvider;
51 using android::hardware::google::pixel::powerstats::GenericStateResidencyDataProvider;
52 using android::hardware::google::pixel::powerstats::PowerEntityConfig;
53 using android::hardware::google::pixel::powerstats::StateResidencyConfig;
54 using android::hardware::google::pixel::powerstats::RailDataProvider;
55 using android::hardware::google::pixel::powerstats::WlanStateResidencyDataProvider;
56 using android::hardware::google::pixel::powerstats::DisplayStateResidencyDataProvider;
57 
main(int,char **)58 int main(int /* argc */, char ** /* argv */) {
59     ALOGI("power.stats service 1.0 is starting.");
60 
61     bool isDebuggable = android::base::GetBoolProperty("ro.debuggable", false);
62 
63     PowerStats *service = new PowerStats();
64 
65     // Add rail data provider
66     service->setRailDataProvider(std::make_unique<RailDataProvider>());
67 
68     // Add power entities related to rpmh
69     const uint64_t RPM_CLK = 19200;  // RPM runs at 19.2Mhz. Divide by 19200 for msec
70     std::function<uint64_t(uint64_t)> rpmConvertToMs = [](uint64_t a) { return a / RPM_CLK; };
71     std::vector<StateResidencyConfig> rpmStateResidencyConfigs = {
72         {.name = "Sleep",
73          .entryCountSupported = true,
74          .entryCountPrefix = "Sleep Count:",
75          .totalTimeSupported = true,
76          .totalTimePrefix = "Sleep Accumulated Duration:",
77          .totalTimeTransform = rpmConvertToMs,
78          .lastEntrySupported = true,
79          .lastEntryPrefix = "Sleep Last Entered At:",
80          .lastEntryTransform = rpmConvertToMs}};
81 
82     auto rpmSdp = sp<GenericStateResidencyDataProvider>::make("/sys/power/rpmh_stats/master_stats");
83 
84     uint32_t apssId = service->addPowerEntity("APSS", PowerEntityType::SUBSYSTEM);
85     rpmSdp->addEntity(apssId, PowerEntityConfig("APSS", rpmStateResidencyConfigs));
86 
87     uint32_t mpssId = service->addPowerEntity("MPSS", PowerEntityType::SUBSYSTEM);
88     rpmSdp->addEntity(mpssId, PowerEntityConfig("MPSS", rpmStateResidencyConfigs));
89 
90     uint32_t adspId = service->addPowerEntity("ADSP", PowerEntityType::SUBSYSTEM);
91     rpmSdp->addEntity(adspId, PowerEntityConfig("ADSP", rpmStateResidencyConfigs));
92 
93     uint32_t adspIslandId = service->addPowerEntity("ADSP_ISLAND", PowerEntityType::SUBSYSTEM);
94     rpmSdp->addEntity(adspIslandId, PowerEntityConfig("ADSP_ISLAND", rpmStateResidencyConfigs));
95 
96     uint32_t cdspId = service->addPowerEntity("CDSP", PowerEntityType::SUBSYSTEM);
97     rpmSdp->addEntity(cdspId, PowerEntityConfig("CDSP", rpmStateResidencyConfigs));
98 
99     service->addStateResidencyDataProvider(std::move(rpmSdp));
100 
101     // Add SoC power entity
102     std::vector<StateResidencyConfig> socStateResidencyConfigs = {
103         {.name = "AOSD",
104          .header = "RPM Mode:aosd",
105          .entryCountSupported = true,
106          .entryCountPrefix = "count:",
107          .totalTimeSupported = true,
108          .totalTimePrefix = "actual last sleep(msec):",
109          .lastEntrySupported = false},
110         {.name = "CXSD",
111          .header = "RPM Mode:cxsd",
112          .entryCountSupported = true,
113          .entryCountPrefix = "count:",
114          .totalTimeSupported = true,
115          .totalTimePrefix = "actual last sleep(msec):",
116          .lastEntrySupported = false}};
117 
118     auto socSdp = sp<GenericStateResidencyDataProvider>::make("/sys/power/system_sleep/stats");
119 
120     uint32_t socId = service->addPowerEntity("SoC", PowerEntityType::POWER_DOMAIN);
121     socSdp->addEntity(socId, PowerEntityConfig(socStateResidencyConfigs));
122 
123     service->addStateResidencyDataProvider(socSdp);
124 
125     if (isDebuggable) {
126         // Add WLAN power entity
127         uint32_t wlanId = service->addPowerEntity("WLAN", PowerEntityType::SUBSYSTEM);
128         auto wlanSdp = sp<WlanStateResidencyDataProvider>::make(wlanId,
129             "/sys/kernel/wifi/power_stats");
130         service->addStateResidencyDataProvider(wlanSdp);
131     }
132 
133     uint32_t displayId = service->addPowerEntity("Display", PowerEntityType::SUBSYSTEM);
134     auto displaySdp =
135         sp<DisplayStateResidencyDataProvider>::make(displayId,
136         "/sys/class/backlight/panel0-backlight/state",
137         std::vector<std::string>{"Off", "LP", "1080x2340@60", "1080x2340@90"});
138     service->addStateResidencyDataProvider(displaySdp);
139 
140     // Add NFC power entity
141     StateResidencyConfig nfcStateConfig = {
142         .entryCountSupported = true,
143         .entryCountPrefix = "Cumulative count:",
144         .totalTimeSupported = true,
145         .totalTimePrefix = "Cumulative duration msec:",
146         .lastEntrySupported = true,
147         .lastEntryPrefix = "Last entry timestamp msec:"
148     };
149     std::vector<std::pair<std::string, std::string>> nfcStateHeaders = {
150         std::make_pair("Idle", "Idle mode:"),
151         std::make_pair("Active", "Active mode:"),
152         std::make_pair("Active-RW", "Active Reader/Writer mode:"),
153     };
154 
155     sp<GenericStateResidencyDataProvider> nfcSdp =
156             new GenericStateResidencyDataProvider("/sys/class/misc/st21nfc/device/power_stats");
157 
158     uint32_t nfcId = service->addPowerEntity("NFC", PowerEntityType::SUBSYSTEM);
159     nfcSdp->addEntity(nfcId,
160         PowerEntityConfig(generateGenericStateResidencyConfigs(nfcStateConfig, nfcStateHeaders)));
161 
162     service->addStateResidencyDataProvider(nfcSdp);
163 
164     // Add Power Entities that require the Aidl data provider
165     auto aidlSdp = sp<AidlStateResidencyDataProvider>::make();
166     uint32_t citadelId = service->addPowerEntity("Citadel", PowerEntityType::SUBSYSTEM);
167     aidlSdp->addEntity(citadelId, "Citadel", {"Last-Reset", "Active", "Deep-Sleep"});
168 
169     auto serviceStatus = android::defaultServiceManager()->addService(
170         android::String16("power.stats-vendor"), aidlSdp);
171     if (serviceStatus != android::OK) {
172         ALOGE("Unable to register power.stats-vendor service %d", serviceStatus);
173         return 1;
174     }
175     sp<android::ProcessState> ps{android::ProcessState::self()};  // Create non-HW binder threadpool
176     ps->startThreadPool();
177 
178     service->addStateResidencyDataProvider(aidlSdp);
179 
180     // Configure the threadpool
181     configureRpcThreadpool(1, true /*callerWillJoin*/);
182 
183     status_t status = service->registerAsService();
184     if (status != OK) {
185         ALOGE("Could not register service for power.stats HAL Iface (%d), exiting.", status);
186         return 1;
187     }
188 
189     ALOGI("power.stats service is ready");
190     joinRpcThreadpool();
191 
192     // In normal operation, we don't expect the thread pool to exit
193     ALOGE("power.stats service is shutting down");
194     return 1;
195 }
196