1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define ATRACE_TAG (ATRACE_TAG_THERMAL | ATRACE_TAG_HAL)
#include "powerhal_helper.h"
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/properties.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
#include <android/binder_manager.h>
#include <iterator>
#include <set>
#include <sstream>
#include <thread>
#include <vector>
#include "thermal_throttling.h"
namespace aidl {
namespace android {
namespace hardware {
namespace thermal {
namespace implementation {
using ::android::base::StringPrintf;
PowerHalService::PowerHalService()
: power_hal_aidl_exist_(true), power_hal_aidl_(nullptr), power_hal_ext_aidl_(nullptr) {
connect();
}
bool PowerHalService::connect() {
std::lock_guard<std::mutex> lock(lock_);
if (!power_hal_aidl_exist_) {
return false;
}
if (power_hal_aidl_ && power_hal_ext_aidl_) {
return true;
}
const std::string kInstance = std::string(IPower::descriptor) + "/default";
ndk::SpAIBinder power_binder =
ndk::SpAIBinder(AServiceManager_waitForService(kInstance.c_str()));
ndk::SpAIBinder ext_power_binder;
if (power_binder.get() == nullptr) {
LOG(ERROR) << "Cannot get Power Hal Binder";
power_hal_aidl_exist_ = false;
return false;
}
power_hal_aidl_ = IPower::fromBinder(power_binder);
if (power_hal_aidl_ == nullptr) {
power_hal_aidl_exist_ = false;
LOG(ERROR) << "Cannot get Power Hal AIDL" << kInstance.c_str();
return false;
}
if (STATUS_OK != AIBinder_getExtension(power_binder.get(), ext_power_binder.getR()) ||
ext_power_binder.get() == nullptr) {
LOG(ERROR) << "Cannot get Power Hal Extension Binder";
power_hal_aidl_exist_ = false;
return false;
}
power_hal_ext_aidl_ = IPowerExt::fromBinder(ext_power_binder);
if (power_hal_ext_aidl_ == nullptr) {
LOG(ERROR) << "Cannot get Power Hal Extension AIDL";
power_hal_aidl_exist_ = false;
}
if (power_hal_ext_aidl_death_recipient_.get() == nullptr) {
power_hal_ext_aidl_death_recipient_ = ndk::ScopedAIBinder_DeathRecipient(
AIBinder_DeathRecipient_new(onPowerHalExtAidlBinderDied));
}
auto linked = AIBinder_linkToDeath(power_hal_ext_aidl_->asBinder().get(),
power_hal_ext_aidl_death_recipient_.get(), this);
if (linked != STATUS_OK) {
LOG(ERROR) << "Failed to register power_hal_ext death recipient";
}
return true;
}
void PowerHalService::reconnect() {
ATRACE_CALL();
if (!connect()) {
LOG(ERROR) << " Failed to reconnect power_hal_ext";
return;
}
LOG(INFO) << "Resend the power hints when power_hal_ext is reconnected";
std::lock_guard<std::shared_mutex> _lock(powerhint_status_mutex_);
for (const auto &[sensor_name, supported_powerhint] : supported_powerhint_map_) {
std::stringstream log_buf;
for (const auto &severity : ::ndk::enum_range<ThrottlingSeverity>()) {
bool mode = severity <= supported_powerhint.prev_hint_severity;
setMode(sensor_name, severity, mode);
log_buf << toString(severity).c_str() << ":" << mode << " ";
}
LOG(INFO) << sensor_name << " send powerhint: " << log_buf.str();
log_buf.clear();
}
return;
}
void PowerHalService::updateSupportedPowerHints(
const std::unordered_map<std::string, SensorInfo> &sensor_info_map_) {
for (auto const &name_status_pair : sensor_info_map_) {
if (!(name_status_pair.second.send_powerhint)) {
continue;
}
ThrottlingSeverity current_severity = ThrottlingSeverity::NONE;
for (const auto &severity : ::ndk::enum_range<ThrottlingSeverity>()) {
if (severity == ThrottlingSeverity::NONE) {
supported_powerhint_map_[name_status_pair.first]
.hint_severity_map[ThrottlingSeverity::NONE] = ThrottlingSeverity::NONE;
continue;
}
bool isSupported = false;
ndk::ScopedAStatus isSupportedResult;
if (power_hal_ext_aidl_ != nullptr) {
isSupported = isModeSupported(name_status_pair.first, severity);
}
if (isSupported)
current_severity = severity;
supported_powerhint_map_[name_status_pair.first].hint_severity_map[severity] =
current_severity;
}
}
}
void PowerHalService::sendPowerExtHint(const Temperature &t) {
ATRACE_CALL();
std::lock_guard<std::shared_mutex> _lock(powerhint_status_mutex_);
ThrottlingSeverity prev_hint_severity = supported_powerhint_map_[t.name].prev_hint_severity;
ThrottlingSeverity current_hint_severity =
supported_powerhint_map_[t.name].hint_severity_map[t.throttlingStatus];
std::stringstream log_buf;
if (!power_hal_aidl_exist_) {
LOG(ERROR) << "power_hal_aidl is not exist";
return;
}
if (prev_hint_severity == current_hint_severity) {
return;
}
for (const auto &severity : ::ndk::enum_range<ThrottlingSeverity>()) {
if (severity != supported_powerhint_map_[t.name].hint_severity_map[severity]) {
continue;
}
bool mode = severity <= current_hint_severity;
setMode(t.name, severity, mode);
log_buf << toString(severity).c_str() << ":" << mode << " ";
}
LOG(INFO) << t.name << " send powerhint: " << log_buf.str();
supported_powerhint_map_[t.name].prev_hint_severity = current_hint_severity;
}
bool PowerHalService::isModeSupported(const std::string &type, const ThrottlingSeverity &t) {
bool isSupported = false;
if (!connect()) {
return false;
}
std::string power_hint = StringPrintf("THERMAL_%s_%s", type.c_str(), toString(t).c_str());
lock_.lock();
if (!power_hal_ext_aidl_->isModeSupported(power_hint, &isSupported).isOk()) {
LOG(ERROR) << "Fail to check supported mode, Hint: " << power_hint;
power_hal_ext_aidl_ = nullptr;
power_hal_aidl_ = nullptr;
lock_.unlock();
return false;
}
lock_.unlock();
return isSupported;
}
void PowerHalService::setMode(const std::string &type, const ThrottlingSeverity &t,
const bool &enable, const bool error_on_exit) {
if (!connect()) {
return;
}
std::string power_hint = StringPrintf("THERMAL_%s_%s", type.c_str(), toString(t).c_str());
lock_.lock();
if (!power_hal_ext_aidl_->setMode(power_hint, enable).isOk()) {
LOG(ERROR) << "Fail to set mode, Hint: " << power_hint;
power_hal_ext_aidl_ = nullptr;
power_hal_aidl_ = nullptr;
lock_.unlock();
if (!error_on_exit) {
setMode(type, t, enable, true);
}
return;
}
lock_.unlock();
}
} // namespace implementation
} // namespace thermal
} // namespace hardware
} // namespace android
} // namespace aidl
|
