Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 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 "PowerManagerService-JNI" |
| 18 | |
| 19 | //#define LOG_NDEBUG 0 |
| 20 | |
| 21 | #include "JNIHelp.h" |
| 22 | #include "jni.h" |
Joe Onorato | b08a1af | 2010-10-11 19:28:58 -0700 | [diff] [blame] | 23 | |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 24 | #include <ScopedUtfChars.h> |
| 25 | |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 26 | #include <limits.h> |
Joe Onorato | b08a1af | 2010-10-11 19:28:58 -0700 | [diff] [blame] | 27 | |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 28 | #include <android_runtime/AndroidRuntime.h> |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 29 | #include <utils/Timers.h> |
| 30 | #include <utils/misc.h> |
| 31 | #include <utils/String8.h> |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 32 | #include <utils/Log.h> |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 33 | #include <hardware/power.h> |
| 34 | #include <hardware_legacy/power.h> |
| 35 | #include <cutils/android_reboot.h> |
| 36 | #include <suspend/autosuspend.h> |
Joe Onorato | b08a1af | 2010-10-11 19:28:58 -0700 | [diff] [blame] | 37 | |
Jeff Brown | 4f8ecd8 | 2012-06-18 18:29:13 -0700 | [diff] [blame] | 38 | #include "com_android_server_power_PowerManagerService.h" |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 39 | |
| 40 | namespace android { |
| 41 | |
| 42 | // ---------------------------------------------------------------------------- |
| 43 | |
| 44 | static struct { |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 45 | jmethodID wakeUpFromNative; |
| 46 | jmethodID goToSleepFromNative; |
| 47 | jmethodID userActivityFromNative; |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 48 | } gPowerManagerServiceClassInfo; |
| 49 | |
| 50 | // ---------------------------------------------------------------------------- |
| 51 | |
| 52 | static jobject gPowerManagerServiceObj; |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 53 | static struct power_module* gPowerModule; |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 54 | |
| 55 | static Mutex gPowerManagerLock; |
| 56 | static bool gScreenOn; |
| 57 | static bool gScreenBright; |
| 58 | |
Jeff Brown | b696de5 | 2012-07-27 15:38:50 -0700 | [diff] [blame] | 59 | static nsecs_t gLastEventTime[USER_ACTIVITY_EVENT_LAST + 1]; |
Jeff Brown | 9029157 | 2010-08-16 14:19:45 -0700 | [diff] [blame] | 60 | |
| 61 | // Throttling interval for user activity calls. |
| 62 | static const nsecs_t MIN_TIME_BETWEEN_USERACTIVITIES = 500 * 1000000L; // 500ms |
| 63 | |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 64 | // ---------------------------------------------------------------------------- |
| 65 | |
| 66 | static bool checkAndClearExceptionFromCallback(JNIEnv* env, const char* methodName) { |
| 67 | if (env->ExceptionCheck()) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 68 | ALOGE("An exception was thrown by callback '%s'.", methodName); |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 69 | LOGE_EX(env); |
| 70 | env->ExceptionClear(); |
| 71 | return true; |
| 72 | } |
| 73 | return false; |
| 74 | } |
| 75 | |
| 76 | bool android_server_PowerManagerService_isScreenOn() { |
| 77 | AutoMutex _l(gPowerManagerLock); |
| 78 | return gScreenOn; |
| 79 | } |
| 80 | |
| 81 | bool android_server_PowerManagerService_isScreenBright() { |
| 82 | AutoMutex _l(gPowerManagerLock); |
| 83 | return gScreenBright; |
| 84 | } |
| 85 | |
| 86 | void android_server_PowerManagerService_userActivity(nsecs_t eventTime, int32_t eventType) { |
Jeff Brown | d232afa | 2012-05-16 13:06:15 -0700 | [diff] [blame] | 87 | // Tell the power HAL when user activity occurs. |
| 88 | if (gPowerModule && gPowerModule->powerHint) { |
| 89 | gPowerModule->powerHint(gPowerModule, POWER_HINT_INTERACTION, NULL); |
Jeff Brown | 30e5eb4 | 2012-05-11 19:18:56 -0700 | [diff] [blame] | 90 | } |
| 91 | |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 92 | if (gPowerManagerServiceObj) { |
Jeff Brown | 9029157 | 2010-08-16 14:19:45 -0700 | [diff] [blame] | 93 | // Throttle calls into user activity by event type. |
| 94 | // We're a little conservative about argument checking here in case the caller |
| 95 | // passes in bad data which could corrupt system state. |
Jeff Brown | b696de5 | 2012-07-27 15:38:50 -0700 | [diff] [blame] | 96 | if (eventType >= 0 && eventType <= USER_ACTIVITY_EVENT_LAST) { |
Jeff Brown | 9029157 | 2010-08-16 14:19:45 -0700 | [diff] [blame] | 97 | nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC); |
| 98 | if (eventTime > now) { |
| 99 | eventTime = now; |
| 100 | } |
| 101 | |
| 102 | if (gLastEventTime[eventType] + MIN_TIME_BETWEEN_USERACTIVITIES > eventTime) { |
| 103 | return; |
| 104 | } |
| 105 | gLastEventTime[eventType] = eventTime; |
| 106 | } |
| 107 | |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 108 | JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| 109 | |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 110 | env->CallVoidMethod(gPowerManagerServiceObj, |
| 111 | gPowerManagerServiceClassInfo.userActivityFromNative, |
| 112 | nanoseconds_to_milliseconds(eventTime), eventType, 0); |
| 113 | checkAndClearExceptionFromCallback(env, "userActivityFromNative"); |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | void android_server_PowerManagerService_wakeUp(nsecs_t eventTime) { |
| 118 | if (gPowerManagerServiceObj) { |
| 119 | JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| 120 | |
| 121 | env->CallVoidMethod(gPowerManagerServiceObj, |
| 122 | gPowerManagerServiceClassInfo.wakeUpFromNative, |
| 123 | nanoseconds_to_milliseconds(eventTime)); |
| 124 | checkAndClearExceptionFromCallback(env, "wakeUpFromNative"); |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 125 | } |
| 126 | } |
| 127 | |
| 128 | void android_server_PowerManagerService_goToSleep(nsecs_t eventTime) { |
| 129 | if (gPowerManagerServiceObj) { |
| 130 | JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| 131 | |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 132 | env->CallVoidMethod(gPowerManagerServiceObj, |
| 133 | gPowerManagerServiceClassInfo.goToSleepFromNative, |
| 134 | nanoseconds_to_milliseconds(eventTime), 0); |
| 135 | checkAndClearExceptionFromCallback(env, "goToSleepFromNative"); |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 136 | } |
| 137 | } |
| 138 | |
| 139 | // ---------------------------------------------------------------------------- |
| 140 | |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 141 | static void nativeInit(JNIEnv* env, jobject obj) { |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 142 | gPowerManagerServiceObj = env->NewGlobalRef(obj); |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 143 | |
| 144 | status_t err = hw_get_module(POWER_HARDWARE_MODULE_ID, |
| 145 | (hw_module_t const**)&gPowerModule); |
Jeff Brown | d232afa | 2012-05-16 13:06:15 -0700 | [diff] [blame] | 146 | if (!err) { |
| 147 | gPowerModule->init(gPowerModule); |
| 148 | } else { |
| 149 | ALOGE("Couldn't load %s module (%s)", POWER_HARDWARE_MODULE_ID, strerror(-err)); |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 150 | } |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 151 | } |
| 152 | |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 153 | static void nativeSetPowerState(JNIEnv* env, |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 154 | jclass clazz, jboolean screenOn, jboolean screenBright) { |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 155 | AutoMutex _l(gPowerManagerLock); |
| 156 | gScreenOn = screenOn; |
| 157 | gScreenBright = screenBright; |
| 158 | } |
| 159 | |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 160 | static void nativeAcquireSuspendBlocker(JNIEnv *env, jclass clazz, jstring nameStr) { |
| 161 | ScopedUtfChars name(env, nameStr); |
| 162 | acquire_wake_lock(PARTIAL_WAKE_LOCK, name.c_str()); |
Joe Onorato | b08a1af | 2010-10-11 19:28:58 -0700 | [diff] [blame] | 163 | } |
| 164 | |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 165 | static void nativeReleaseSuspendBlocker(JNIEnv *env, jclass clazz, jstring nameStr) { |
| 166 | ScopedUtfChars name(env, nameStr); |
| 167 | release_wake_lock(name.c_str()); |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 168 | } |
| 169 | |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 170 | static void nativeSetInteractive(JNIEnv *env, jclass clazz, jboolean enable) { |
Jeff Brown | 0a19d00 | 2012-10-09 14:47:05 -0700 | [diff] [blame] | 171 | if (gPowerModule) { |
| 172 | if (enable) { |
| 173 | ALOGD_IF_SLOW(20, "Excessive delay in setInteractive(true) while turning screen on"); |
| 174 | gPowerModule->setInteractive(gPowerModule, true); |
| 175 | } else { |
| 176 | ALOGD_IF_SLOW(20, "Excessive delay in setInteractive(false) while turning screen off"); |
| 177 | gPowerModule->setInteractive(gPowerModule, false); |
| 178 | } |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 179 | } |
| 180 | } |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 181 | |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 182 | static void nativeSetAutoSuspend(JNIEnv *env, jclass clazz, jboolean enable) { |
| 183 | if (enable) { |
| 184 | ALOGD_IF_SLOW(100, "Excessive delay in autosuspend_enable() while turning screen off"); |
| 185 | autosuspend_enable(); |
| 186 | } else { |
| 187 | ALOGD_IF_SLOW(100, "Excessive delay in autosuspend_disable() while turning screen on"); |
| 188 | autosuspend_disable(); |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 189 | } |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 190 | } |
| 191 | |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 192 | static void nativeShutdown(JNIEnv *env, jclass clazz) { |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 193 | android_reboot(ANDROID_RB_POWEROFF, 0, 0); |
| 194 | } |
| 195 | |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 196 | static void nativeReboot(JNIEnv *env, jclass clazz, jstring reason) { |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 197 | if (reason == NULL) { |
| 198 | android_reboot(ANDROID_RB_RESTART, 0, 0); |
| 199 | } else { |
| 200 | const char *chars = env->GetStringUTFChars(reason, NULL); |
| 201 | android_reboot(ANDROID_RB_RESTART2, 0, (char *) chars); |
| 202 | env->ReleaseStringUTFChars(reason, chars); // In case it fails. |
| 203 | } |
| 204 | jniThrowIOException(env, errno); |
| 205 | } |
| 206 | |
| 207 | |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 208 | // ---------------------------------------------------------------------------- |
| 209 | |
| 210 | static JNINativeMethod gPowerManagerServiceMethods[] = { |
| 211 | /* name, signature, funcPtr */ |
| 212 | { "nativeInit", "()V", |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 213 | (void*) nativeInit }, |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 214 | { "nativeSetPowerState", "(ZZ)V", |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 215 | (void*) nativeSetPowerState }, |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 216 | { "nativeAcquireSuspendBlocker", "(Ljava/lang/String;)V", |
| 217 | (void*) nativeAcquireSuspendBlocker }, |
| 218 | { "nativeReleaseSuspendBlocker", "(Ljava/lang/String;)V", |
| 219 | (void*) nativeReleaseSuspendBlocker }, |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 220 | { "nativeSetInteractive", "(Z)V", |
| 221 | (void*) nativeSetInteractive }, |
| 222 | { "nativeSetAutoSuspend", "(Z)V", |
| 223 | (void*) nativeSetAutoSuspend }, |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 224 | { "nativeShutdown", "()V", |
| 225 | (void*) nativeShutdown }, |
| 226 | { "nativeReboot", "(Ljava/lang/String;)V", |
| 227 | (void*) nativeReboot }, |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 228 | }; |
| 229 | |
| 230 | #define FIND_CLASS(var, className) \ |
| 231 | var = env->FindClass(className); \ |
Carl Shapiro | 17cc33a | 2011-03-05 20:53:16 -0800 | [diff] [blame] | 232 | LOG_FATAL_IF(! var, "Unable to find class " className); |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 233 | |
| 234 | #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ |
| 235 | var = env->GetMethodID(clazz, methodName, methodDescriptor); \ |
| 236 | LOG_FATAL_IF(! var, "Unable to find method " methodName); |
| 237 | |
| 238 | #define GET_FIELD_ID(var, clazz, fieldName, fieldDescriptor) \ |
| 239 | var = env->GetFieldID(clazz, fieldName, fieldDescriptor); \ |
| 240 | LOG_FATAL_IF(! var, "Unable to find field " fieldName); |
| 241 | |
| 242 | int register_android_server_PowerManagerService(JNIEnv* env) { |
Jeff Brown | 4f8ecd8 | 2012-06-18 18:29:13 -0700 | [diff] [blame] | 243 | int res = jniRegisterNativeMethods(env, "com/android/server/power/PowerManagerService", |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 244 | gPowerManagerServiceMethods, NELEM(gPowerManagerServiceMethods)); |
| 245 | LOG_FATAL_IF(res < 0, "Unable to register native methods."); |
| 246 | |
| 247 | // Callbacks |
| 248 | |
Carl Shapiro | 17cc33a | 2011-03-05 20:53:16 -0800 | [diff] [blame] | 249 | jclass clazz; |
Jeff Brown | 4f8ecd8 | 2012-06-18 18:29:13 -0700 | [diff] [blame] | 250 | FIND_CLASS(clazz, "com/android/server/power/PowerManagerService"); |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 251 | |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 252 | GET_METHOD_ID(gPowerManagerServiceClassInfo.wakeUpFromNative, clazz, |
| 253 | "wakeUpFromNative", "(J)V"); |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 254 | |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 255 | GET_METHOD_ID(gPowerManagerServiceClassInfo.goToSleepFromNative, clazz, |
| 256 | "goToSleepFromNative", "(JI)V"); |
| 257 | |
| 258 | GET_METHOD_ID(gPowerManagerServiceClassInfo.userActivityFromNative, clazz, |
| 259 | "userActivityFromNative", "(JII)V"); |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 260 | |
Jeff Brown | 9029157 | 2010-08-16 14:19:45 -0700 | [diff] [blame] | 261 | // Initialize |
Jeff Brown | b696de5 | 2012-07-27 15:38:50 -0700 | [diff] [blame] | 262 | for (int i = 0; i <= USER_ACTIVITY_EVENT_LAST; i++) { |
Jeff Brown | 9029157 | 2010-08-16 14:19:45 -0700 | [diff] [blame] | 263 | gLastEventTime[i] = LLONG_MIN; |
| 264 | } |
| 265 | gScreenOn = true; |
| 266 | gScreenBright = true; |
Jeff Brown | 30e5eb4 | 2012-05-11 19:18:56 -0700 | [diff] [blame] | 267 | gPowerManagerServiceObj = NULL; |
| 268 | gPowerModule = NULL; |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 269 | return 0; |
| 270 | } |
| 271 | |
| 272 | } /* namespace android */ |