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/GenericStateResidencyDataProvider.h>
21 #include <dataproviders/PowerStatsEnergyConsumer.h>
22 #include <Gs101CommonDataProviders.h>
23 #include <PowerStatsAidl.h>
24
25 #include <android-base/logging.h>
26 #include <android-base/properties.h>
27 #include <android/binder_manager.h>
28 #include <android/binder_process.h>
29 #include <log/log.h>
30 #include <sys/stat.h>
31
32 using aidl::android::hardware::power::stats::DisplayStateResidencyDataProvider;
33 using aidl::android::hardware::power::stats::EnergyConsumerType;
34 using aidl::android::hardware::power::stats::GenericStateResidencyDataProvider;
35 using aidl::android::hardware::power::stats::PowerStatsEnergyConsumer;
36
37 const char kBootRevision[] = "ro.boot.revision";
38 std::map<std::string, std::string> displayChannelNames = {
39 {"PROTO1.0", "PPVAR_VSYS_PWR_DISP"},
40 {"EVT1.0", "PPVAR_VSYS_PWR_DISP"},
41 {"EVT1.1", "VSYS_PWR_DISPLAY"},
42 };
43
addDisplay(std::shared_ptr<PowerStats> p)44 void addDisplay(std::shared_ptr<PowerStats> p) {
45 // Add display residency stats
46 struct stat buffer;
47 if (!stat("/sys/class/drm/card0/device/primary-panel/time_in_state", &buffer)) {
48 // time_in_state exists
49 addDisplayMrr(p);
50 } else {
51 // time_in_state doesn't exist
52 std::vector<std::string> states = {
53 "Off",
54 "LP: 1440x3120@10",
55 "LP: 1440x3120@30",
56 "On: 1440x3120@10",
57 "On: 1440x3120@30",
58 "On: 1440x3120@60",
59 "On: 1440x3120@90",
60 "On: 1440x3120@120",
61 "HBM: 1440x3120@60",
62 };
63
64 p->addStateResidencyDataProvider(std::make_unique<DisplayStateResidencyDataProvider>("Display",
65 "/sys/class/backlight/panel0-backlight/state",
66 states));
67 }
68
69 std::string rev = android::base::GetProperty(kBootRevision, "");
70
71 std::string channelName;
72 if (displayChannelNames.find(rev) == displayChannelNames.end()) {
73 channelName = displayChannelNames["EVT1.1"];
74 } else {
75 channelName = displayChannelNames[rev];
76 }
77
78 // Add display energy consumer
79 /*
80 * TODO(b/167216667): Add correct display power model here. Must read from display rail
81 * and include proper coefficients for display states.
82 */
83 p->addEnergyConsumer(PowerStatsEnergyConsumer::createMeterAndEntityConsumer(p,
84 EnergyConsumerType::DISPLAY, "display", {channelName}, "Display",
85 {{"LP: 1440x3120@10", 1},
86 {"LP: 1440x3120@30", 2},
87 {"On: 1440x3120@10", 3},
88 {"On: 1440x3120@30", 4},
89 {"On: 1440x3120@60", 5},
90 {"On: 1440x3120@90", 6},
91 {"On: 1440x3120@120", 7},
92 {"HBM: 1440x3120@60", 8}}));
93 }
94
addUwb(std::shared_ptr<PowerStats> p)95 void addUwb(std::shared_ptr<PowerStats> p) {
96 // A constant to represent the number of nanoseconds in one millisecond.
97 const int NS_TO_MS = 1000000;
98
99 // ACPM stats are reported in nanoseconds. The transform function
100 // converts nanoseconds to milliseconds.
101 std::function<uint64_t(uint64_t)> uwbNsToMs = [](uint64_t a) { return a / NS_TO_MS; };
102 const GenericStateResidencyDataProvider::StateResidencyConfig stateConfig = {
103 .entryCountSupported = true,
104 .entryCountPrefix = "count:",
105 .totalTimeSupported = true,
106 .totalTimePrefix = "dur ns:",
107 .totalTimeTransform = uwbNsToMs,
108 .lastEntrySupported = false,
109 };
110
111 const std::vector<std::pair<std::string, std::string>> stateHeaders = {
112 std::make_pair("Off", "Off state:"),
113 std::make_pair("Run", "Run state:"),
114 std::make_pair("Idle", "Idle state:"),
115 std::make_pair("Tx", "Tx state:"),
116 std::make_pair("Rx", "Rx state:"),
117 };
118
119 std::vector<GenericStateResidencyDataProvider::PowerEntityConfig> cfgs;
120 cfgs.emplace_back(generateGenericStateResidencyConfigs(stateConfig, stateHeaders),
121 "UWB", "");
122
123 p->addStateResidencyDataProvider(std::make_unique<GenericStateResidencyDataProvider>(
124 "/sys/devices/platform/10d30000.spi/spi_master/spi10/spi10.0/uwb/power_stats", cfgs));
125 }
126
main()127 int main() {
128 struct stat buffer;
129
130 LOG(INFO) << "Pixel PowerStats HAL AIDL Service is starting.";
131
132 // single thread
133 ABinderProcess_setThreadPoolMaxThreadCount(0);
134
135 std::shared_ptr<PowerStats> p = ndk::SharedRefBase::make<PowerStats>();
136
137 addGs101CommonDataProviders(p);
138 addDisplay(p);
139 if (!stat("/sys/devices/platform/10960000.hsi2c/i2c-7/7-0008/power_stats", &buffer)) {
140 addNFC(p, "/sys/devices/platform/10960000.hsi2c/i2c-7/7-0008/power_stats");
141 }
142 const std::string instance = std::string() + PowerStats::descriptor + "/default";
143 binder_status_t status = AServiceManager_addService(p->asBinder().get(), instance.c_str());
144 LOG_ALWAYS_FATAL_IF(status != STATUS_OK);
145
146 ABinderProcess_joinThreadPool();
147 return EXIT_FAILURE; // should not reach
148 }
149