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> |
Ruben Brunk | 87eac99 | 2013-09-09 17:44:59 -0700 | [diff] [blame] | 29 | #include <android_runtime/Log.h> |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 30 | #include <utils/Timers.h> |
| 31 | #include <utils/misc.h> |
| 32 | #include <utils/String8.h> |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 33 | #include <utils/Log.h> |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 34 | #include <hardware/power.h> |
| 35 | #include <hardware_legacy/power.h> |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 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 userActivityFromNative; |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 46 | } gPowerManagerServiceClassInfo; |
| 47 | |
| 48 | // ---------------------------------------------------------------------------- |
| 49 | |
| 50 | static jobject gPowerManagerServiceObj; |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 51 | static struct power_module* gPowerModule; |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 52 | |
Jeff Brown | b696de5 | 2012-07-27 15:38:50 -0700 | [diff] [blame] | 53 | static nsecs_t gLastEventTime[USER_ACTIVITY_EVENT_LAST + 1]; |
Jeff Brown | 9029157 | 2010-08-16 14:19:45 -0700 | [diff] [blame] | 54 | |
| 55 | // Throttling interval for user activity calls. |
| 56 | static const nsecs_t MIN_TIME_BETWEEN_USERACTIVITIES = 500 * 1000000L; // 500ms |
| 57 | |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 58 | // ---------------------------------------------------------------------------- |
| 59 | |
| 60 | static bool checkAndClearExceptionFromCallback(JNIEnv* env, const char* methodName) { |
| 61 | if (env->ExceptionCheck()) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 62 | ALOGE("An exception was thrown by callback '%s'.", methodName); |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 63 | LOGE_EX(env); |
| 64 | env->ExceptionClear(); |
| 65 | return true; |
| 66 | } |
| 67 | return false; |
| 68 | } |
| 69 | |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 70 | void android_server_PowerManagerService_userActivity(nsecs_t eventTime, int32_t eventType) { |
Jeff Brown | d232afa | 2012-05-16 13:06:15 -0700 | [diff] [blame] | 71 | // Tell the power HAL when user activity occurs. |
| 72 | if (gPowerModule && gPowerModule->powerHint) { |
| 73 | gPowerModule->powerHint(gPowerModule, POWER_HINT_INTERACTION, NULL); |
Jeff Brown | 30e5eb4 | 2012-05-11 19:18:56 -0700 | [diff] [blame] | 74 | } |
| 75 | |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 76 | if (gPowerManagerServiceObj) { |
Jeff Brown | 9029157 | 2010-08-16 14:19:45 -0700 | [diff] [blame] | 77 | // Throttle calls into user activity by event type. |
| 78 | // We're a little conservative about argument checking here in case the caller |
| 79 | // passes in bad data which could corrupt system state. |
Jeff Brown | b696de5 | 2012-07-27 15:38:50 -0700 | [diff] [blame] | 80 | if (eventType >= 0 && eventType <= USER_ACTIVITY_EVENT_LAST) { |
Jeff Brown | 9029157 | 2010-08-16 14:19:45 -0700 | [diff] [blame] | 81 | nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC); |
| 82 | if (eventTime > now) { |
| 83 | eventTime = now; |
| 84 | } |
| 85 | |
| 86 | if (gLastEventTime[eventType] + MIN_TIME_BETWEEN_USERACTIVITIES > eventTime) { |
| 87 | return; |
| 88 | } |
| 89 | gLastEventTime[eventType] = eventTime; |
| 90 | } |
| 91 | |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 92 | JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| 93 | |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 94 | env->CallVoidMethod(gPowerManagerServiceObj, |
| 95 | gPowerManagerServiceClassInfo.userActivityFromNative, |
| 96 | nanoseconds_to_milliseconds(eventTime), eventType, 0); |
| 97 | checkAndClearExceptionFromCallback(env, "userActivityFromNative"); |
| 98 | } |
| 99 | } |
| 100 | |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 101 | // ---------------------------------------------------------------------------- |
| 102 | |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 103 | static void nativeInit(JNIEnv* env, jobject obj) { |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 104 | gPowerManagerServiceObj = env->NewGlobalRef(obj); |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 105 | |
| 106 | status_t err = hw_get_module(POWER_HARDWARE_MODULE_ID, |
| 107 | (hw_module_t const**)&gPowerModule); |
Jeff Brown | d232afa | 2012-05-16 13:06:15 -0700 | [diff] [blame] | 108 | if (!err) { |
| 109 | gPowerModule->init(gPowerModule); |
| 110 | } else { |
| 111 | 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] | 112 | } |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 113 | } |
| 114 | |
Andreas Gampe | 8dcf593 | 2014-09-30 16:41:19 -0700 | [diff] [blame] | 115 | static void nativeAcquireSuspendBlocker(JNIEnv *env, jclass /* clazz */, jstring nameStr) { |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 116 | ScopedUtfChars name(env, nameStr); |
| 117 | acquire_wake_lock(PARTIAL_WAKE_LOCK, name.c_str()); |
Joe Onorato | b08a1af | 2010-10-11 19:28:58 -0700 | [diff] [blame] | 118 | } |
| 119 | |
Andreas Gampe | 8dcf593 | 2014-09-30 16:41:19 -0700 | [diff] [blame] | 120 | static void nativeReleaseSuspendBlocker(JNIEnv *env, jclass /* clazz */, jstring nameStr) { |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 121 | ScopedUtfChars name(env, nameStr); |
| 122 | release_wake_lock(name.c_str()); |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 123 | } |
| 124 | |
Andreas Gampe | 8dcf593 | 2014-09-30 16:41:19 -0700 | [diff] [blame] | 125 | static void nativeSetInteractive(JNIEnv* /* env */, jclass /* clazz */, jboolean enable) { |
Jeff Brown | 0a19d00 | 2012-10-09 14:47:05 -0700 | [diff] [blame] | 126 | if (gPowerModule) { |
| 127 | if (enable) { |
| 128 | ALOGD_IF_SLOW(20, "Excessive delay in setInteractive(true) while turning screen on"); |
| 129 | gPowerModule->setInteractive(gPowerModule, true); |
| 130 | } else { |
| 131 | ALOGD_IF_SLOW(20, "Excessive delay in setInteractive(false) while turning screen off"); |
| 132 | gPowerModule->setInteractive(gPowerModule, false); |
| 133 | } |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 134 | } |
| 135 | } |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 136 | |
Andreas Gampe | 8dcf593 | 2014-09-30 16:41:19 -0700 | [diff] [blame] | 137 | static void nativeSetAutoSuspend(JNIEnv* /* env */, jclass /* clazz */, jboolean enable) { |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 138 | if (enable) { |
| 139 | ALOGD_IF_SLOW(100, "Excessive delay in autosuspend_enable() while turning screen off"); |
| 140 | autosuspend_enable(); |
| 141 | } else { |
| 142 | ALOGD_IF_SLOW(100, "Excessive delay in autosuspend_disable() while turning screen on"); |
| 143 | autosuspend_disable(); |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 144 | } |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 145 | } |
| 146 | |
Ruchi Kandoi | f20a5eb | 2014-04-01 17:39:20 -0700 | [diff] [blame] | 147 | static void nativeSendPowerHint(JNIEnv *env, jclass clazz, jint hintId, jint data) { |
Ruchi Kandoi | 654d75f | 2014-04-04 16:25:54 -0700 | [diff] [blame] | 148 | int data_param = data; |
| 149 | |
Ruchi Kandoi | f20a5eb | 2014-04-01 17:39:20 -0700 | [diff] [blame] | 150 | if (gPowerModule && gPowerModule->powerHint) { |
Ruchi Kandoi | 654d75f | 2014-04-04 16:25:54 -0700 | [diff] [blame] | 151 | if(data) |
| 152 | gPowerModule->powerHint(gPowerModule, (power_hint_t)hintId, &data_param); |
| 153 | else { |
| 154 | gPowerModule->powerHint(gPowerModule, (power_hint_t)hintId, NULL); |
| 155 | } |
Ruchi Kandoi | f20a5eb | 2014-04-01 17:39:20 -0700 | [diff] [blame] | 156 | } |
| 157 | } |
| 158 | |
Jason Monk | 27bbb2d | 2015-03-31 16:46:39 -0400 | [diff] [blame] | 159 | static void nativeSetFeature(JNIEnv *env, jclass clazz, jint featureId, jint data) { |
| 160 | int data_param = data; |
| 161 | |
| 162 | if (gPowerModule && gPowerModule->setFeature) { |
| 163 | gPowerModule->setFeature(gPowerModule, (feature_t)featureId, data_param); |
| 164 | } |
| 165 | } |
| 166 | |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 167 | // ---------------------------------------------------------------------------- |
| 168 | |
Daniel Micay | 76f6a86 | 2015-09-19 17:31:01 -0400 | [diff] [blame] | 169 | static const JNINativeMethod gPowerManagerServiceMethods[] = { |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 170 | /* name, signature, funcPtr */ |
| 171 | { "nativeInit", "()V", |
Jeff Brown | 7304c34 | 2012-05-11 18:42:42 -0700 | [diff] [blame] | 172 | (void*) nativeInit }, |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 173 | { "nativeAcquireSuspendBlocker", "(Ljava/lang/String;)V", |
| 174 | (void*) nativeAcquireSuspendBlocker }, |
| 175 | { "nativeReleaseSuspendBlocker", "(Ljava/lang/String;)V", |
| 176 | (void*) nativeReleaseSuspendBlocker }, |
Jeff Brown | 9e316a1 | 2012-10-08 19:17:06 -0700 | [diff] [blame] | 177 | { "nativeSetInteractive", "(Z)V", |
| 178 | (void*) nativeSetInteractive }, |
| 179 | { "nativeSetAutoSuspend", "(Z)V", |
| 180 | (void*) nativeSetAutoSuspend }, |
Ruchi Kandoi | f20a5eb | 2014-04-01 17:39:20 -0700 | [diff] [blame] | 181 | { "nativeSendPowerHint", "(II)V", |
| 182 | (void*) nativeSendPowerHint }, |
Jason Monk | 27bbb2d | 2015-03-31 16:46:39 -0400 | [diff] [blame] | 183 | { "nativeSetFeature", "(II)V", |
| 184 | (void*) nativeSetFeature }, |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 185 | }; |
| 186 | |
| 187 | #define FIND_CLASS(var, className) \ |
| 188 | var = env->FindClass(className); \ |
Carl Shapiro | 17cc33a | 2011-03-05 20:53:16 -0800 | [diff] [blame] | 189 | LOG_FATAL_IF(! var, "Unable to find class " className); |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 190 | |
| 191 | #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ |
| 192 | var = env->GetMethodID(clazz, methodName, methodDescriptor); \ |
| 193 | LOG_FATAL_IF(! var, "Unable to find method " methodName); |
| 194 | |
| 195 | #define GET_FIELD_ID(var, clazz, fieldName, fieldDescriptor) \ |
| 196 | var = env->GetFieldID(clazz, fieldName, fieldDescriptor); \ |
| 197 | LOG_FATAL_IF(! var, "Unable to find field " fieldName); |
| 198 | |
| 199 | int register_android_server_PowerManagerService(JNIEnv* env) { |
Jeff Brown | 4f8ecd8 | 2012-06-18 18:29:13 -0700 | [diff] [blame] | 200 | int res = jniRegisterNativeMethods(env, "com/android/server/power/PowerManagerService", |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 201 | gPowerManagerServiceMethods, NELEM(gPowerManagerServiceMethods)); |
Bernhard Rosenkränzer | 9c1c90e | 2014-11-12 14:45:58 +0100 | [diff] [blame] | 202 | (void) res; // Faked use when LOG_NDEBUG. |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 203 | LOG_FATAL_IF(res < 0, "Unable to register native methods."); |
| 204 | |
| 205 | // Callbacks |
| 206 | |
Carl Shapiro | 17cc33a | 2011-03-05 20:53:16 -0800 | [diff] [blame] | 207 | jclass clazz; |
Jeff Brown | 4f8ecd8 | 2012-06-18 18:29:13 -0700 | [diff] [blame] | 208 | FIND_CLASS(clazz, "com/android/server/power/PowerManagerService"); |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 209 | |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 210 | GET_METHOD_ID(gPowerManagerServiceClassInfo.userActivityFromNative, clazz, |
| 211 | "userActivityFromNative", "(JII)V"); |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 212 | |
Jeff Brown | 9029157 | 2010-08-16 14:19:45 -0700 | [diff] [blame] | 213 | // Initialize |
Jeff Brown | b696de5 | 2012-07-27 15:38:50 -0700 | [diff] [blame] | 214 | for (int i = 0; i <= USER_ACTIVITY_EVENT_LAST; i++) { |
Jeff Brown | 9029157 | 2010-08-16 14:19:45 -0700 | [diff] [blame] | 215 | gLastEventTime[i] = LLONG_MIN; |
| 216 | } |
Jeff Brown | 30e5eb4 | 2012-05-11 19:18:56 -0700 | [diff] [blame] | 217 | gPowerManagerServiceObj = NULL; |
| 218 | gPowerModule = NULL; |
Jeff Brown | 00fa7bd | 2010-07-02 15:37:36 -0700 | [diff] [blame] | 219 | return 0; |
| 220 | } |
| 221 | |
| 222 | } /* namespace android */ |