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