EventHub.cpp revision 874c1e9aa598b45e7114a69ecb4194c167a8b39d
1b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown/* 2b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown * Copyright (C) 2005 The Android Open Source Project 3b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown * 4b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown * Licensed under the Apache License, Version 2.0 (the "License"); 5b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown * you may not use this file except in compliance with the License. 6b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown * You may obtain a copy of the License at 7b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown * 8b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown * http://www.apache.org/licenses/LICENSE-2.0 9b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown * 10b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown * Unless required by applicable law or agreed to in writing, software 11b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown * distributed under the License is distributed on an "AS IS" BASIS, 12b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown * See the License for the specific language governing permissions and 14b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown * limitations under the License. 15b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown */ 16b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "EventHub" 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown// #define LOG_NDEBUG 0 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown#include "EventHub.h" 22b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <hardware_legacy/power.h> 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <cutils/properties.h> 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Log.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Timers.h> 283b4062eeb01be33951ba214e027da523cf09f8b1Mathias Agopian#include <utils/threads.h> 293b4062eeb01be33951ba214e027da523cf09f8b1Mathias Agopian#include <utils/Errors.h> 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdlib.h> 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdio.h> 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <unistd.h> 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <fcntl.h> 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <memory.h> 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <errno.h> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <assert.h> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 396b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown#include <ui/KeyLayoutMap.h> 409065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown#include <ui/KeyCharacterMap.h> 419065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown#include <ui/VirtualKeyMap.h> 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <string.h> 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdint.h> 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <dirent.h> 4693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 4793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown#include <sys/inotify.h> 4893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown#include <sys/epoll.h> 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/ioctl.h> 5093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown#include <sys/limits.h> 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* this macro is used to tell if "bit" is set in "array" 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * it selects a byte from the array, and does a boolean AND 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * operation with a byte that only has the relevant bit set. 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * eg. to check for the 12th bit, we do (array[1] & 1<<4) 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define test_bit(bit, array) (array[bit/8] & (1<<(bit%8))) 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 59fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown/* this macro computes the number of bytes needed to represent a bit array of the specified size */ 60fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown#define sizeof_bit_array(bits) ((bits + 7) / 8) 61fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 62f2f487183052865d50c004a835360be1728b5a52Jeff Brown#define INDENT " " 63f2f487183052865d50c004a835360be1728b5a52Jeff Brown#define INDENT2 " " 64f2f487183052865d50c004a835360be1728b5a52Jeff Brown#define INDENT3 " " 65f2f487183052865d50c004a835360be1728b5a52Jeff Brown 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char *WAKE_LOCK_ID = "KeyEvents"; 699065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownstatic const char *DEVICE_PATH = "/dev/input"; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* return the larger integer */ 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic inline int max(int v1, int v2) 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (v1 > v2) ? v1 : v2; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 77f2f487183052865d50c004a835360be1728b5a52Jeff Brownstatic inline const char* toString(bool value) { 78f2f487183052865d50c004a835360be1728b5a52Jeff Brown return value ? "true" : "false"; 79f2f487183052865d50c004a835360be1728b5a52Jeff Brown} 80f2f487183052865d50c004a835360be1728b5a52Jeff Brown 819ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown// --- Global Functions --- 829ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown 839ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brownuint32_t getAbsAxisUsage(int32_t axis, uint32_t deviceClasses) { 849ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown // Touch devices get dibs on touch-related axes. 859ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown if (deviceClasses & INPUT_DEVICE_CLASS_TOUCH) { 869ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown switch (axis) { 879ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_X: 889ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_Y: 899ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_PRESSURE: 909ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_TOOL_WIDTH: 919ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_DISTANCE: 929ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_TILT_X: 939ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_TILT_Y: 949ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_SLOT: 959ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_TOUCH_MAJOR: 969ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_TOUCH_MINOR: 979ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_WIDTH_MAJOR: 989ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_WIDTH_MINOR: 999ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_ORIENTATION: 1009ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_POSITION_X: 1019ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_POSITION_Y: 1029ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_TOOL_TYPE: 1039ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_BLOB_ID: 1049ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_TRACKING_ID: 1059ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_PRESSURE: 1069ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_DISTANCE: 1079ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown return INPUT_DEVICE_CLASS_TOUCH; 1089ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown } 1099ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown } 1109ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown 1119ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown // Joystick devices get the rest. 1129ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown return deviceClasses & INPUT_DEVICE_CLASS_JOYSTICK; 1139ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown} 1149ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown 1159065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown// --- EventHub::Device --- 1169065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 1179065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownEventHub::Device::Device(int fd, int32_t id, const String8& path, 1189065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown const InputDeviceIdentifier& identifier) : 1199065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown next(NULL), 1209065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown fd(fd), id(id), path(path), identifier(identifier), 12193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown classes(0), configuration(NULL), virtualKeyMap(NULL) { 12293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown memset(keyBitmask, 0, sizeof(keyBitmask)); 12393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown memset(absBitmask, 0, sizeof(absBitmask)); 12493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown memset(relBitmask, 0, sizeof(relBitmask)); 12593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown memset(swBitmask, 0, sizeof(swBitmask)); 12693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown memset(ledBitmask, 0, sizeof(ledBitmask)); 12793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown memset(propBitmask, 0, sizeof(propBitmask)); 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1309065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownEventHub::Device::~Device() { 1319065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown close(); 13247e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown delete configuration; 1339065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown delete virtualKeyMap; 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownvoid EventHub::Device::close() { 1379065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (fd >= 0) { 1389065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown ::close(fd); 1399065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown fd = -1; 1409065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 1419065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown} 1429065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 1439065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 1449065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown// --- EventHub --- 1459065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 14693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownconst uint32_t EventHub::EPOLL_ID_INOTIFY; 14793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownconst uint32_t EventHub::EPOLL_ID_WAKE; 14893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownconst int EventHub::EPOLL_SIZE_HINT; 14993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownconst int EventHub::EPOLL_MAX_EVENTS; 15093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 1519065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownEventHub::EventHub(void) : 15293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mBuiltInKeyboardId(-1), mNextDeviceId(1), 1539065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mOpeningDevices(0), mClosingDevices(0), 15493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mNeedToSendFinishedDeviceScan(false), 15593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mNeedToReopenDevices(false), mNeedToScanDevices(true), 15693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingEventCount(0), mPendingEventIndex(0), mPendingINotify(false) { 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID); 158b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 15993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mEpollFd = epoll_create(EPOLL_SIZE_HINT); 16093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(mEpollFd < 0, "Could not create epoll instance. errno=%d", errno); 16193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 16293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mINotifyFd = inotify_init(); 16393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown int result = inotify_add_watch(mINotifyFd, DEVICE_PATH, IN_DELETE | IN_CREATE); 16493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(result < 0, "Could not register INotify for %s. errno=%d", 16593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown DEVICE_PATH, errno); 16693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 16793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown struct epoll_event eventItem; 16893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown memset(&eventItem, 0, sizeof(eventItem)); 16993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.events = EPOLLIN; 17093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.data.u32 = EPOLL_ID_INOTIFY; 17193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown result = epoll_ctl(mEpollFd, EPOLL_CTL_ADD, mINotifyFd, &eventItem); 17293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(result != 0, "Could not add INotify to epoll instance. errno=%d", errno); 17393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 17493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown int wakeFds[2]; 17593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown result = pipe(wakeFds); 17693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(result != 0, "Could not create wake pipe. errno=%d", errno); 17793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 17893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mWakeReadPipeFd = wakeFds[0]; 17993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mWakeWritePipeFd = wakeFds[1]; 18093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 18193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown result = fcntl(mWakeReadPipeFd, F_SETFL, O_NONBLOCK); 18293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(result != 0, "Could not make wake read pipe non-blocking. errno=%d", 18393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown errno); 18493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 18593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown result = fcntl(mWakeWritePipeFd, F_SETFL, O_NONBLOCK); 18693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(result != 0, "Could not make wake write pipe non-blocking. errno=%d", 18793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown errno); 18893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 18993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.data.u32 = EPOLL_ID_WAKE; 19093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown result = epoll_ctl(mEpollFd, EPOLL_CTL_ADD, mWakeReadPipeFd, &eventItem); 19193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(result != 0, "Could not add wake read pipe to epoll instance. errno=%d", 19293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown errno); 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1959065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownEventHub::~EventHub(void) { 19693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown closeAllDevicesLocked(); 19793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 19893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown while (mClosingDevices) { 19993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown Device* device = mClosingDevices; 20093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mClosingDevices = device->next; 20193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown delete device; 20293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ::close(mEpollFd); 20593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ::close(mINotifyFd); 20693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ::close(mWakeReadPipeFd); 20793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ::close(mWakeWritePipeFd); 20893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 20993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown release_wake_lock(WAKE_LOCK_ID); 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2129065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownString8 EventHub::getDeviceName(int32_t deviceId) const { 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 2149065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (device == NULL) return String8(); 2169065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return device->identifier.name; 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2199065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownuint32_t EventHub::getDeviceClasses(int32_t deviceId) const { 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 2219065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (device == NULL) return 0; 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return device->classes; 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22647e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brownvoid EventHub::getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const { 22747e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown AutoMutex _l(mLock); 2289065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 22947e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown if (device && device->configuration) { 23047e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown *outConfiguration = *device->configuration; 2311f2451007c660091b7b090c1ea332f9044515d2dJeff Brown } else { 2321f2451007c660091b7b090c1ea332f9044515d2dJeff Brown outConfiguration->clear(); 23347e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } 23447e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown} 23547e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown 2366d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownstatus_t EventHub::getAbsoluteAxisInfo(int32_t deviceId, int axis, 2376d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown RawAbsoluteAxisInfo* outAxisInfo) const { 2388d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown outAxisInfo->clear(); 2396d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 240ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (axis >= 0 && axis <= ABS_MAX) { 241ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown AutoMutex _l(mLock); 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 243ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown Device* device = getDeviceLocked(deviceId); 244ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device && test_bit(axis, device->absBitmask)) { 245ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown struct input_absinfo info; 246ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if(ioctl(device->fd, EVIOCGABS(axis), &info)) { 2478564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Error reading absolute controller %d for device %s fd %d, errno=%d", 248ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown axis, device->identifier.name.string(), device->fd, errno); 249ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return -errno; 250ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 2516d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 252ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (info.minimum != info.maximum) { 253ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outAxisInfo->valid = true; 254ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outAxisInfo->minValue = info.minimum; 255ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outAxisInfo->maxValue = info.maximum; 256ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outAxisInfo->flat = info.flat; 257ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outAxisInfo->fuzz = info.fuzz; 258ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outAxisInfo->resolution = info.resolution; 259ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 260ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return OK; 261ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 263ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return -1; 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 266cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brownbool EventHub::hasRelativeAxis(int32_t deviceId, int axis) const { 267cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown if (axis >= 0 && axis <= REL_MAX) { 268cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown AutoMutex _l(mLock); 269cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown 270cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown Device* device = getDeviceLocked(deviceId); 271ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device) { 272cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown return test_bit(axis, device->relBitmask); 273cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown } 274cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown } 275cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown return false; 276cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown} 277cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown 27880fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brownbool EventHub::hasInputProperty(int32_t deviceId, int property) const { 27980fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown if (property >= 0 && property <= INPUT_PROP_MAX) { 28080fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown AutoMutex _l(mLock); 28180fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown 28280fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown Device* device = getDeviceLocked(deviceId); 283ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device) { 28480fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown return test_bit(property, device->propBitmask); 28580fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown } 28680fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown } 28780fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown return false; 28880fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown} 28980fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown 2906d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownint32_t EventHub::getScanCodeState(int32_t deviceId, int32_t scanCode) const { 29146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown if (scanCode >= 0 && scanCode <= KEY_MAX) { 29246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown AutoMutex _l(mLock); 29346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 2949065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 295ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device && test_bit(scanCode, device->keyBitmask)) { 296ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown uint8_t keyState[sizeof_bit_array(KEY_MAX + 1)]; 297ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown memset(keyState, 0, sizeof(keyState)); 298ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (ioctl(device->fd, EVIOCGKEY(sizeof(keyState)), keyState) >= 0) { 299ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return test_bit(scanCode, keyState) ? AKEY_STATE_DOWN : AKEY_STATE_UP; 300ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 303c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return AKEY_STATE_UNKNOWN; 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3066d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownint32_t EventHub::getKeyCodeState(int32_t deviceId, int32_t keyCode) const { 3076d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AutoMutex _l(mLock); 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3099065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 310ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device && device->keyMap.haveKeyLayout()) { 311ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown Vector<int32_t> scanCodes; 312ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown device->keyMap.keyLayoutMap->findScanCodesForKey(keyCode, &scanCodes); 313ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (scanCodes.size() != 0) { 314ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown uint8_t keyState[sizeof_bit_array(KEY_MAX + 1)]; 315ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown memset(keyState, 0, sizeof(keyState)); 316ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (ioctl(device->fd, EVIOCGKEY(sizeof(keyState)), keyState) >= 0) { 317ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown for (size_t i = 0; i < scanCodes.size(); i++) { 318ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown int32_t sc = scanCodes.itemAt(i); 319ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, keyState)) { 320ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return AKEY_STATE_DOWN; 321ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 322ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 323ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return AKEY_STATE_UP; 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 327c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return AKEY_STATE_UNKNOWN; 32846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 32946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 3306d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownint32_t EventHub::getSwitchState(int32_t deviceId, int32_t sw) const { 33146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown if (sw >= 0 && sw <= SW_MAX) { 33246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown AutoMutex _l(mLock); 33346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 3349065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 335ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device && test_bit(sw, device->swBitmask)) { 336ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown uint8_t swState[sizeof_bit_array(SW_MAX + 1)]; 337ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown memset(swState, 0, sizeof(swState)); 338ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (ioctl(device->fd, EVIOCGSW(sizeof(swState)), swState) >= 0) { 339ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return test_bit(sw, swState) ? AKEY_STATE_DOWN : AKEY_STATE_UP; 340ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 34146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown } 34246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown } 343c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return AKEY_STATE_UNKNOWN; 34446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 34546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 3462717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brownstatus_t EventHub::getAbsoluteAxisValue(int32_t deviceId, int32_t axis, int32_t* outValue) const { 347063097545e6a273952463803d1a2fab2cb590d4eJeff Brown *outValue = 0; 348063097545e6a273952463803d1a2fab2cb590d4eJeff Brown 3492717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown if (axis >= 0 && axis <= ABS_MAX) { 3502717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown AutoMutex _l(mLock); 3512717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown 3522717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown Device* device = getDeviceLocked(deviceId); 353ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device && test_bit(axis, device->absBitmask)) { 354ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown struct input_absinfo info; 355ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if(ioctl(device->fd, EVIOCGABS(axis), &info)) { 3568564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Error reading absolute controller %d for device %s fd %d, errno=%d", 357ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown axis, device->identifier.name.string(), device->fd, errno); 358ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return -errno; 359ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 360ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown 361ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown *outValue = info.value; 362ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return OK; 3632717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown } 3642717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown } 3652717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown return -1; 3662717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown} 3672717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown 3686d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownbool EventHub::markSupportedKeyCodes(int32_t deviceId, size_t numCodes, 3696d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown const int32_t* keyCodes, uint8_t* outFlags) const { 3706d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AutoMutex _l(mLock); 3716d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 3729065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 373ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device && device->keyMap.haveKeyLayout()) { 374ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown Vector<int32_t> scanCodes; 375ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown for (size_t codeIndex = 0; codeIndex < numCodes; codeIndex++) { 376ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown scanCodes.clear(); 377ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown 378ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown status_t err = device->keyMap.keyLayoutMap->findScanCodesForKey( 379ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown keyCodes[codeIndex], &scanCodes); 380ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (! err) { 381ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown // check the possible scan codes identified by the layout map against the 382ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown // map of codes actually emitted by the driver 383ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown for (size_t sc = 0; sc < scanCodes.size(); sc++) { 384ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (test_bit(scanCodes[sc], device->keyBitmask)) { 385ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outFlags[codeIndex] = 1; 386ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown break; 387ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 3886d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 3896d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 3906d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 391ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return true; 3926d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 393ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return false; 3946d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown} 3956d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 3966f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brownstatus_t EventHub::mapKey(int32_t deviceId, int scancode, 397e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn int32_t* outKeycode, uint32_t* outFlags) const 398e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn{ 399e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn AutoMutex _l(mLock); 4009065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 401e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn 4029065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device && device->keyMap.haveKeyLayout()) { 4036f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown status_t err = device->keyMap.keyLayoutMap->mapKey(scancode, outKeycode, outFlags); 404e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn if (err == NO_ERROR) { 405e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn return NO_ERROR; 406e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn } 407e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn } 408e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn 4099065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (mBuiltInKeyboardId != -1) { 4109065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device = getDeviceLocked(mBuiltInKeyboardId); 411e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn 4129065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device && device->keyMap.haveKeyLayout()) { 4136f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown status_t err = device->keyMap.keyLayoutMap->mapKey(scancode, outKeycode, outFlags); 414e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn if (err == NO_ERROR) { 415e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn return NO_ERROR; 416e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn } 417e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn } 418e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn } 419e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn 420e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn *outKeycode = 0; 421e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn *outFlags = 0; 422e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn return NAME_NOT_FOUND; 423e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn} 424e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn 4258529745b27877d98a0c76692295a3fcac238b1e6Jeff Brownstatus_t EventHub::mapAxis(int32_t deviceId, int scancode, AxisInfo* outAxisInfo) const 4266f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown{ 4276f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown AutoMutex _l(mLock); 4286f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown Device* device = getDeviceLocked(deviceId); 4296f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 4306f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (device && device->keyMap.haveKeyLayout()) { 4318529745b27877d98a0c76692295a3fcac238b1e6Jeff Brown status_t err = device->keyMap.keyLayoutMap->mapAxis(scancode, outAxisInfo); 4326f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (err == NO_ERROR) { 4336f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown return NO_ERROR; 4346f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 4356f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 4366f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 4376f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (mBuiltInKeyboardId != -1) { 4386f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device = getDeviceLocked(mBuiltInKeyboardId); 4396f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 4406f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (device && device->keyMap.haveKeyLayout()) { 4418529745b27877d98a0c76692295a3fcac238b1e6Jeff Brown status_t err = device->keyMap.keyLayoutMap->mapAxis(scancode, outAxisInfo); 4426f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (err == NO_ERROR) { 4436f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown return NO_ERROR; 4446f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 4456f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 4466f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 4476f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 4486f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown return NAME_NOT_FOUND; 4496f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown} 4506f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 4511a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brownvoid EventHub::setExcludedDevices(const Vector<String8>& devices) { 452f2f487183052865d50c004a835360be1728b5a52Jeff Brown AutoMutex _l(mLock); 453f2f487183052865d50c004a835360be1728b5a52Jeff Brown 4541a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown mExcludedDevices = devices; 4551d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood} 4561d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 45749754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brownbool EventHub::hasScanCode(int32_t deviceId, int32_t scanCode) const { 45849754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown AutoMutex _l(mLock); 45949754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown Device* device = getDeviceLocked(deviceId); 46049754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown if (device && scanCode >= 0 && scanCode <= KEY_MAX) { 46149754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown if (test_bit(scanCode, device->keyBitmask)) { 46249754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown return true; 46349754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown } 46449754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown } 46549754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown return false; 46649754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown} 46749754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown 468497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brownbool EventHub::hasLed(int32_t deviceId, int32_t led) const { 469497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown AutoMutex _l(mLock); 4709065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 47193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (device && led >= 0 && led <= LED_MAX) { 47293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (test_bit(led, device->ledBitmask)) { 47393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown return true; 474497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 475497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 476497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown return false; 477497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 478497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 479497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brownvoid EventHub::setLedState(int32_t deviceId, int32_t led, bool on) { 480497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown AutoMutex _l(mLock); 4819065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 48293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (device && led >= 0 && led <= LED_MAX) { 483497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown struct input_event ev; 484497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.time.tv_sec = 0; 485497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.time.tv_usec = 0; 486497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.type = EV_LED; 487497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.code = led; 488497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.value = on ? 1 : 0; 489497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 490497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ssize_t nWrite; 491497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown do { 492497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown nWrite = write(device->fd, &ev, sizeof(struct input_event)); 493497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } while (nWrite == -1 && errno == EINTR); 494497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 495497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 496497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 4979065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownvoid EventHub::getVirtualKeyDefinitions(int32_t deviceId, 4989065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Vector<VirtualKeyDefinition>& outVirtualKeys) const { 4999065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown outVirtualKeys.clear(); 5009065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 5019065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown AutoMutex _l(mLock); 5029065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 5039065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device && device->virtualKeyMap) { 5049065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown outVirtualKeys.appendVector(device->virtualKeyMap->getVirtualKeys()); 5059065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 5069065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown} 5079065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 5081e08fe90df18930691b0c2ec22e5db25d7fcb4cfJeff BrownString8 EventHub::getKeyCharacterMapFile(int32_t deviceId) const { 5091e08fe90df18930691b0c2ec22e5db25d7fcb4cfJeff Brown AutoMutex _l(mLock); 5101e08fe90df18930691b0c2ec22e5db25d7fcb4cfJeff Brown Device* device = getDeviceLocked(deviceId); 5111e08fe90df18930691b0c2ec22e5db25d7fcb4cfJeff Brown if (device) { 5121e08fe90df18930691b0c2ec22e5db25d7fcb4cfJeff Brown return device->keyMap.keyCharacterMapFile; 5131e08fe90df18930691b0c2ec22e5db25d7fcb4cfJeff Brown } 5141e08fe90df18930691b0c2ec22e5db25d7fcb4cfJeff Brown return String8(); 5151e08fe90df18930691b0c2ec22e5db25d7fcb4cfJeff Brown} 5161e08fe90df18930691b0c2ec22e5db25d7fcb4cfJeff Brown 5179065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownEventHub::Device* EventHub::getDeviceLocked(int32_t deviceId) const { 5189065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (deviceId == 0) { 5199065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown deviceId = mBuiltInKeyboardId; 5209065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 52193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ssize_t index = mDevices.indexOfKey(deviceId); 52293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown return index >= 0 ? mDevices.valueAt(index) : NULL; 52393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown} 5249065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 52593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff BrownEventHub::Device* EventHub::getDeviceByPathLocked(const char* devicePath) const { 52693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown for (size_t i = 0; i < mDevices.size(); i++) { 52793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown Device* device = mDevices.valueAt(i); 52893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (device->path == devicePath) { 5299065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return device; 5309065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 535b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brownsize_t EventHub::getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize) { 536ec193dec4d9ca2cfc8295c4becfe950a906a15edSteve Block ALOG_ASSERT(bufferSize >= 1); 5371d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 53893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown AutoMutex _l(mLock); 5391d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 540b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown struct input_event readBuffer[bufferSize]; 541b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 542b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown RawEvent* event = buffer; 543b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown size_t capacity = bufferSize; 54493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown bool awoken = false; 545cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown for (;;) { 546b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC); 547b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 5481a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown // Reopen input devices if needed. 54993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (mNeedToReopenDevices) { 55093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mNeedToReopenDevices = false; 5511a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown 5526215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI("Reopening all input devices due to a configuration change."); 5531a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown 55493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown closeAllDevicesLocked(); 5551a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown mNeedToScanDevices = true; 5561a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown break; // return to the caller before we actually rescan 5571a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown } 5581a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown 559cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Report any devices that had last been added/removed. 560b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown while (mClosingDevices) { 5619065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = mClosingDevices; 56271f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Reporting device closed: id=%d, name=%s\n", 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project device->id, device->path.string()); 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mClosingDevices = device->next; 565b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->when = now; 566b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id; 567b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->type = DEVICE_REMOVED; 568b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event += 1; 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete device; 5707342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown mNeedToSendFinishedDeviceScan = true; 571b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown if (--capacity == 0) { 572b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown break; 573b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5756d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 5761a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown if (mNeedToScanDevices) { 5771a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown mNeedToScanDevices = false; 57893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown scanDevicesLocked(); 5791a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown mNeedToSendFinishedDeviceScan = true; 5801a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown } 5811a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown 582b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown while (mOpeningDevices != NULL) { 5839065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = mOpeningDevices; 58471f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Reporting device opened: id=%d, name=%s\n", 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project device->id, device->path.string()); 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOpeningDevices = device->next; 587b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->when = now; 588b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id; 589b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->type = DEVICE_ADDED; 590b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event += 1; 5917342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown mNeedToSendFinishedDeviceScan = true; 592b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown if (--capacity == 0) { 593b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown break; 594b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 5957342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown } 5967342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown 5977342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown if (mNeedToSendFinishedDeviceScan) { 5987342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown mNeedToSendFinishedDeviceScan = false; 599b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->when = now; 600b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->type = FINISHED_DEVICE_SCAN; 601b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event += 1; 602b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown if (--capacity == 0) { 603b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown break; 604b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 607cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Grab the next input event. 60893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown bool deviceChanged = false; 60993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown while (mPendingEventIndex < mPendingEventCount) { 61093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown const struct epoll_event& eventItem = mPendingEventItems[mPendingEventIndex++]; 61193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (eventItem.data.u32 == EPOLL_ID_INOTIFY) { 61293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (eventItem.events & EPOLLIN) { 61393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingINotify = true; 61493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else { 6158564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Received unexpected epoll event 0x%08x for INotify.", eventItem.events); 61693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 61793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown continue; 61893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 61993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 62093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (eventItem.data.u32 == EPOLL_ID_WAKE) { 62193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (eventItem.events & EPOLLIN) { 62271f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("awoken after wake()"); 62393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown awoken = true; 62493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown char buffer[16]; 62593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ssize_t nRead; 62693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown do { 62793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown nRead = read(mWakeReadPipeFd, buffer, sizeof(buffer)); 62893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } while ((nRead == -1 && errno == EINTR) || nRead == sizeof(buffer)); 62993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else { 6308564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Received unexpected epoll event 0x%08x for wake read pipe.", 63193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.events); 63293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 63393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown continue; 63493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 63593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 63693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ssize_t deviceIndex = mDevices.indexOfKey(eventItem.data.u32); 63793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (deviceIndex < 0) { 6388564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Received unexpected epoll event 0x%08x for unknown device id %d.", 63993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.events, eventItem.data.u32); 64093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown continue; 64193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 64293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 64393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown Device* device = mDevices.valueAt(deviceIndex); 64493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (eventItem.events & EPOLLIN) { 64593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown int32_t readSize = read(device->fd, readBuffer, 64693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown sizeof(struct input_event) * capacity); 64793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (readSize == 0 || (readSize < 0 && errno == ENODEV)) { 64893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Device was removed before INotify noticed. 6494130554b452a8462a83f97051240f1aec8590650Jeff Brown ALOGW("could not get event, removed? (fd: %d size: %d bufferSize: %d " 6504130554b452a8462a83f97051240f1aec8590650Jeff Brown "capacity: %d errno: %d)\n", 6514130554b452a8462a83f97051240f1aec8590650Jeff Brown device->fd, readSize, bufferSize, capacity, errno); 65293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown deviceChanged = true; 65393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown closeDeviceLocked(device); 65493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else if (readSize < 0) { 655cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (errno != EAGAIN && errno != EINTR) { 6568564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("could not get event (errno=%d)", errno); 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 658cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } else if ((readSize % sizeof(struct input_event)) != 0) { 6593762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("could not get event (wrong size: %d)", readSize); 660cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } else { 661b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown int32_t deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id; 662b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 663b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown size_t count = size_t(readSize) / sizeof(struct input_event); 664b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown for (size_t i = 0; i < count; i++) { 665b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown const struct input_event& iev = readBuffer[i]; 66671f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("%s got: t0=%d, t1=%d, type=%d, code=%d, value=%d", 667b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown device->path.string(), 668b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown (int) iev.time.tv_sec, (int) iev.time.tv_usec, 669b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown iev.type, iev.code, iev.value); 670b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 6714e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown#ifdef HAVE_POSIX_CLOCKS 6724e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // Use the time specified in the event instead of the current time 6734e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // so that downstream code can get more accurate estimates of 6744e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // event dispatch latency from the time the event is enqueued onto 6754e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // the evdev client buffer. 6764e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // 6774e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // The event's timestamp fortuitously uses the same monotonic clock 6784e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // time base as the rest of Android. The kernel event device driver 6794e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // (drivers/input/evdev.c) obtains timestamps using ktime_get_ts(). 6804e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // The systemTime(SYSTEM_TIME_MONOTONIC) function we use everywhere 6814e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // calls clock_gettime(CLOCK_MONOTONIC) which is implemented as a 6824e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // system call that also queries ktime_get_ts(). 6834e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown event->when = nsecs_t(iev.time.tv_sec) * 1000000000LL 6844e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown + nsecs_t(iev.time.tv_usec) * 1000LL; 68571f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("event time %lld, now %lld", event->when, now); 6864e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown#else 687b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->when = now; 6884e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown#endif 689b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->deviceId = deviceId; 690b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->type = iev.type; 691b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->scanCode = iev.code; 692b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->value = iev.value; 693b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->keyCode = AKEYCODE_UNKNOWN; 694b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->flags = 0; 695b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown if (iev.type == EV_KEY && device->keyMap.haveKeyLayout()) { 696b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown status_t err = device->keyMap.keyLayoutMap->mapKey(iev.code, 697b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown &event->keyCode, &event->flags); 69871f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("iev.code=%d keyCode=%d flags=0x%08x err=%d\n", 699b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown iev.code, event->keyCode, event->flags, err); 700b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 701b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event += 1; 702b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 703b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown capacity -= count; 704b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown if (capacity == 0) { 70593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // The result buffer is full. Reset the pending event index 70693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // so we will try to read the device again on the next iteration. 70793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingEventIndex -= 1; 708b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown break; 709b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 71193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else { 7128564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Received unexpected epoll event 0x%08x for device %s.", 71393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.events, device->identifier.name.string()); 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 716cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 71793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // readNotify() will modify the list of devices so this must be done after 71893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // processing all other events to ensure that we read all remaining events 71993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // before closing the devices. 72093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (mPendingINotify && mPendingEventIndex >= mPendingEventCount) { 72193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingINotify = false; 72293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown readNotifyLocked(); 72393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown deviceChanged = true; 72433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 72533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 72693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Report added or removed devices immediately. 72793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (deviceChanged) { 72893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown continue; 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 730a9b84229a3e9e0ae15e3e964985fac2314247be2Jeff Brown 73193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Return now if we have collected any events or if we were explicitly awoken. 73293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (event != buffer || awoken) { 733b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown break; 734b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 735b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 736cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Poll for events. Mind the wake lock dance! 73793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // We hold a wake lock at all times except during epoll_wait(). This works due to some 738cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // subtle choreography. When a device driver has pending (unread) events, it acquires 739cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // a kernel wake lock. However, once the last pending event has been read, the device 740cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // driver will release the kernel wake lock. To prevent the system from going to sleep 741cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // when this happens, the EventHub holds onto its own user wake lock while the client 742cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // is processing events. Thus the system can only sleep if there are no events 743cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // pending or currently being processed. 744aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown // 745aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown // The timeout is advisory only. If the device is asleep, it will not wake just to 746aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown // service the timeout. 74793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingEventIndex = 0; 74893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 74993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mLock.unlock(); // release lock before poll, must be before release_wake_lock 750cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown release_wake_lock(WAKE_LOCK_ID); 751cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 75293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown int pollResult = epoll_wait(mEpollFd, mPendingEventItems, EPOLL_MAX_EVENTS, timeoutMillis); 753cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 754cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID); 75593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mLock.lock(); // reacquire lock after poll, must be after acquire_wake_lock 756cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 757aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown if (pollResult == 0) { 75893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Timed out. 75993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingEventCount = 0; 76093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown break; 761aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown } 76293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 763aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown if (pollResult < 0) { 76493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // An error occurred. 76593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingEventCount = 0; 76693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 767b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown // Sleep after errors to avoid locking up the system. 768b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown // Hopefully the error is transient. 769cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (errno != EINTR) { 7708564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("poll failed (errno=%d)\n", errno); 771cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown usleep(100000); 772cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 773b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } else { 77493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Some events occurred. 77593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingEventCount = size_t(pollResult); 776cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 778b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 779b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown // All done, return the number of events we read. 780b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown return event - buffer; 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 78393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::wake() { 78471f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("wake() called"); 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 78693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ssize_t nWrite; 78793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown do { 78893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown nWrite = write(mWakeWritePipeFd, "W", 1); 78993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } while (nWrite == -1 && errno == EINTR); 79093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 79193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (nWrite != 1 && errno != EAGAIN) { 7928564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Could not write wake signal, errno=%d", errno); 79393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 7941a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown} 7959065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 79693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::scanDevicesLocked() { 79793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown status_t res = scanDirLocked(DEVICE_PATH); 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(res < 0) { 7993762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("scan dir failed for %s\n", DEVICE_PATH); 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 805fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brownstatic bool containsNonZeroByte(const uint8_t* array, uint32_t startIndex, uint32_t endIndex) { 806fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown const uint8_t* end = array + endIndex; 807fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown array += startIndex; 808fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown while (array != end) { 809fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown if (*(array++) != 0) { 810fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown return true; 811fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 812fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 813fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown return false; 814fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown} 815fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 816fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brownstatic const int32_t GAMEPAD_KEYCODES[] = { 817fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_A, AKEYCODE_BUTTON_B, AKEYCODE_BUTTON_C, 818fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_X, AKEYCODE_BUTTON_Y, AKEYCODE_BUTTON_Z, 819fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_L1, AKEYCODE_BUTTON_R1, 820fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_L2, AKEYCODE_BUTTON_R2, 821fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_THUMBL, AKEYCODE_BUTTON_THUMBR, 822cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_START, AKEYCODE_BUTTON_SELECT, AKEYCODE_BUTTON_MODE, 823cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_1, AKEYCODE_BUTTON_2, AKEYCODE_BUTTON_3, AKEYCODE_BUTTON_4, 824cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_5, AKEYCODE_BUTTON_6, AKEYCODE_BUTTON_7, AKEYCODE_BUTTON_8, 825cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_9, AKEYCODE_BUTTON_10, AKEYCODE_BUTTON_11, AKEYCODE_BUTTON_12, 826cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_13, AKEYCODE_BUTTON_14, AKEYCODE_BUTTON_15, AKEYCODE_BUTTON_16, 827fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown}; 828fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 82993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownstatus_t EventHub::openDeviceLocked(const char *devicePath) { 8309065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown char buffer[80]; 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 83271f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Opening device: %s", devicePath); 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 834874c1e9aa598b45e7114a69ecb4194c167a8b39dJeff Brown int fd = open(devicePath, O_RDWR | O_CLOEXEC); 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(fd < 0) { 8363762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("could not open %s, %s\n", devicePath, strerror(errno)); 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8409065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown InputDeviceIdentifier identifier; 8419065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 8429065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device name. 8439065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGNAME(sizeof(buffer) - 1), &buffer) < 1) { 8449065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown //fprintf(stderr, "could not get device name for %s, %s\n", devicePath, strerror(errno)); 8459065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } else { 8469065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown buffer[sizeof(buffer) - 1] = '\0'; 8479065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.name.setTo(buffer); 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8509065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Check to see if the device is on our excluded list 8511a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown for (size_t i = 0; i < mExcludedDevices.size(); i++) { 8521a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown const String8& item = mExcludedDevices.itemAt(i); 8531a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown if (identifier.name == item) { 8546215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI("ignoring event id %s driver %s\n", devicePath, item.string()); 8551d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood close(fd); 8561d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood return -1; 8571d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood } 8581d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood } 8591d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 8609065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device driver version. 8619065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int driverVersion; 8629065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGVERSION, &driverVersion)) { 8633762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("could not get driver version for %s, %s\n", devicePath, strerror(errno)); 864cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown close(fd); 865cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown return -1; 866cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 867cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 8689065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device identifier. 8699065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown struct input_id inputId; 8709065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGID, &inputId)) { 8713762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("could not get device input id for %s, %s\n", devicePath, strerror(errno)); 8729065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown close(fd); 8739065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return -1; 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8759065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.bus = inputId.bustype; 8769065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.product = inputId.product; 8779065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.vendor = inputId.vendor; 8789065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.version = inputId.version; 8799065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 8809065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device physical location. 8819065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGPHYS(sizeof(buffer) - 1), &buffer) < 1) { 8829065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown //fprintf(stderr, "could not get location for %s, %s\n", devicePath, strerror(errno)); 8839065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } else { 8849065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown buffer[sizeof(buffer) - 1] = '\0'; 8859065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.location.setTo(buffer); 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8889065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device unique id. 8899065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGUNIQ(sizeof(buffer) - 1), &buffer) < 1) { 8909065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown //fprintf(stderr, "could not get idstring for %s, %s\n", devicePath, strerror(errno)); 8919065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } else { 8929065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown buffer[sizeof(buffer) - 1] = '\0'; 8939065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.uniqueId.setTo(buffer); 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8969065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Make file descriptor non-blocking for use with poll(). 8979065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (fcntl(fd, F_SETFL, O_NONBLOCK)) { 8983762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error %d making device file descriptor non-blocking.", errno); 8999065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown close(fd); 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9029065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 9039065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Allocate device. (The device object takes ownership of the fd at this point.) 9049065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int32_t deviceId = mNextDeviceId++; 9059065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = new Device(fd, deviceId, String8(devicePath), identifier); 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if 0 9086215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI("add device %d: %s\n", deviceId, devicePath); 9096215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI(" bus: %04x\n" 9109065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown " vendor %04x\n" 9119065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown " product %04x\n" 9129065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown " version %04x\n", 9139065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.bus, identifier.vendor, identifier.product, identifier.version); 9146215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI(" name: \"%s\"\n", identifier.name.string()); 9156215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI(" location: \"%s\"\n", identifier.location.string()); 9166215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI(" unique id: \"%s\"\n", identifier.uniqueId.string()); 9176215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI(" driver: v%d.%d.%d\n", 9189065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown driverVersion >> 16, (driverVersion >> 8) & 0xff, driverVersion & 0xff); 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 92147e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown // Load the configuration file for the device. 92293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown loadConfigurationLocked(device); 92347e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown 924fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // Figure out the kinds of events the device reports. 92593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(device->keyBitmask)), device->keyBitmask); 92693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(device->absBitmask)), device->absBitmask); 92793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ioctl(fd, EVIOCGBIT(EV_REL, sizeof(device->relBitmask)), device->relBitmask); 92893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ioctl(fd, EVIOCGBIT(EV_SW, sizeof(device->swBitmask)), device->swBitmask); 92993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ioctl(fd, EVIOCGBIT(EV_LED, sizeof(device->ledBitmask)), device->ledBitmask); 93093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ioctl(fd, EVIOCGPROP(sizeof(device->propBitmask)), device->propBitmask); 93180fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown 9326f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // See if this is a keyboard. Ignore everything in the button range except for 9336f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // joystick and gamepad buttons which are handled like keyboards for the most part. 93493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown bool haveKeyboardKeys = containsNonZeroByte(device->keyBitmask, 0, sizeof_bit_array(BTN_MISC)) 93593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown || containsNonZeroByte(device->keyBitmask, sizeof_bit_array(KEY_OK), 9366f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown sizeof_bit_array(KEY_MAX + 1)); 93793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown bool haveGamepadButtons = containsNonZeroByte(device->keyBitmask, sizeof_bit_array(BTN_MISC), 9389e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown sizeof_bit_array(BTN_MOUSE)) 93993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown || containsNonZeroByte(device->keyBitmask, sizeof_bit_array(BTN_JOYSTICK), 9409e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown sizeof_bit_array(BTN_DIGI)); 9416f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (haveKeyboardKeys || haveGamepadButtons) { 9426f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->classes |= INPUT_DEVICE_CLASS_KEYBOARD; 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9446f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 94583c09685f2e62bc3cf7e71bc61d903f4b9ccaeb4Jeff Brown // See if this is a cursor device such as a trackball or mouse. 94693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (test_bit(BTN_MOUSE, device->keyBitmask) 94793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown && test_bit(REL_X, device->relBitmask) 94893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown && test_bit(REL_Y, device->relBitmask)) { 9496f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->classes |= INPUT_DEVICE_CLASS_CURSOR; 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 951fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 952fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // See if this is a touch pad. 9536f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // Is this a new modern multi-touch driver? 95493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (test_bit(ABS_MT_POSITION_X, device->absBitmask) 95593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown && test_bit(ABS_MT_POSITION_Y, device->absBitmask)) { 9566f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // Some joysticks such as the PS3 controller report axes that conflict 9576f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // with the ABS_MT range. Try to confirm that the device really is 9586f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // a touch screen. 95993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (test_bit(BTN_TOUCH, device->keyBitmask) || !haveGamepadButtons) { 96058a2da843f2f22f406df8df1f011738eb8b7fcb1Jeff Brown device->classes |= INPUT_DEVICE_CLASS_TOUCH | INPUT_DEVICE_CLASS_TOUCH_MT; 961fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 9626f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // Is this an old style single-touch driver? 96393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else if (test_bit(BTN_TOUCH, device->keyBitmask) 96493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown && test_bit(ABS_X, device->absBitmask) 96593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown && test_bit(ABS_Y, device->absBitmask)) { 9666f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->classes |= INPUT_DEVICE_CLASS_TOUCH; 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9699e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown // See if this device is a joystick. 9709e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown // Assumes that joysticks always have gamepad buttons in order to distinguish them 9719e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown // from other devices such as accelerometers that also have absolute axes. 9729ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown if (haveGamepadButtons) { 9739ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown uint32_t assumedClasses = device->classes | INPUT_DEVICE_CLASS_JOYSTICK; 9749ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown for (int i = 0; i <= ABS_MAX; i++) { 9759ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown if (test_bit(i, device->absBitmask) 9769ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown && (getAbsAxisUsage(i, assumedClasses) & INPUT_DEVICE_CLASS_JOYSTICK)) { 9779ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown device->classes = assumedClasses; 9789ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown break; 9799ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown } 9809ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown } 9819e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown } 9829e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown 98393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Check whether this device has switches. 98493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown for (int i = 0; i <= SW_MAX; i++) { 98593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (test_bit(i, device->swBitmask)) { 98693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->classes |= INPUT_DEVICE_CLASS_SWITCH; 98793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown break; 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 99193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Configure virtual keys. 99258a2da843f2f22f406df8df1f011738eb8b7fcb1Jeff Brown if ((device->classes & INPUT_DEVICE_CLASS_TOUCH)) { 9939065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Load the virtual keys for the touch screen, if any. 9949065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // We do this now so that we can make sure to load the keymap if necessary. 99593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown status_t status = loadVirtualKeyMapLocked(device); 9969065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (!status) { 9979065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->classes |= INPUT_DEVICE_CLASS_KEYBOARD; 998497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 9999065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 10009065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 10019e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown // Load the key map. 10029e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown // We need to do this for joysticks too because the key layout may specify axes. 10039e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown status_t keyMapStatus = NAME_NOT_FOUND; 10049e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown if (device->classes & (INPUT_DEVICE_CLASS_KEYBOARD | INPUT_DEVICE_CLASS_JOYSTICK)) { 10059065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Load the keymap for the device. 100693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown keyMapStatus = loadKeyMapLocked(device); 10079e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown } 10089065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 10099e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown // Configure the keyboard, gamepad or virtual keyboard. 10109e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown if (device->classes & INPUT_DEVICE_CLASS_KEYBOARD) { 10119065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Register the keyboard as a built-in keyboard if it is eligible. 10129e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown if (!keyMapStatus 10139065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown && mBuiltInKeyboardId == -1 10149065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown && isEligibleBuiltInKeyboard(device->identifier, 10159065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->configuration, &device->keyMap)) { 10169065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mBuiltInKeyboardId = device->id; 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10190dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn // 'Q' key support = cheap test of whether this is an alpha-capable kbd 1020f2f487183052865d50c004a835360be1728b5a52Jeff Brown if (hasKeycodeLocked(device, AKEYCODE_Q)) { 102146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown device->classes |= INPUT_DEVICE_CLASS_ALPHAKEY; 10220dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 1023497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 1024fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // See if this device has a DPAD. 1025f2f487183052865d50c004a835360be1728b5a52Jeff Brown if (hasKeycodeLocked(device, AKEYCODE_DPAD_UP) && 1026f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_DOWN) && 1027f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_LEFT) && 1028f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_RIGHT) && 1029f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_CENTER)) { 103046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown device->classes |= INPUT_DEVICE_CLASS_DPAD; 10310dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 1032497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 1033fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // See if this device has a gamepad. 10341d79a9d9f85f932a1fd6dcddba335450b65ba4e6Kenny Root for (size_t i = 0; i < sizeof(GAMEPAD_KEYCODES)/sizeof(GAMEPAD_KEYCODES[0]); i++) { 1035f2f487183052865d50c004a835360be1728b5a52Jeff Brown if (hasKeycodeLocked(device, GAMEPAD_KEYCODES[i])) { 1036fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown device->classes |= INPUT_DEVICE_CLASS_GAMEPAD; 1037fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown break; 1038fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 1039fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1042aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil // If the device isn't recognized as something we handle, don't monitor it. 1043aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil if (device->classes == 0) { 104471f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Dropping device: id=%d, path='%s', name='%s'", 10459065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown deviceId, devicePath, device->identifier.name.string()); 1046aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil delete device; 1047aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil return -1; 1048aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil } 1049aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil 105056194ebec6212e229f4ccdaa4b187166d20013efJeff Brown // Determine whether the device is external or internal. 105193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (isExternalDeviceLocked(device)) { 105256194ebec6212e229f4ccdaa4b187166d20013efJeff Brown device->classes |= INPUT_DEVICE_CLASS_EXTERNAL; 105356194ebec6212e229f4ccdaa4b187166d20013efJeff Brown } 105456194ebec6212e229f4ccdaa4b187166d20013efJeff Brown 105593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Register with epoll. 105693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown struct epoll_event eventItem; 105793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown memset(&eventItem, 0, sizeof(eventItem)); 105893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.events = EPOLLIN; 105993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.data.u32 = deviceId; 106093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (epoll_ctl(mEpollFd, EPOLL_CTL_ADD, fd, &eventItem)) { 10613762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Could not add device fd to epoll instance. errno=%d", errno); 106293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown delete device; 106393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown return -1; 106493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 106593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 1066e22afbedc1a71905d112d8cf78ca8c2a27e371feJeff Brown // Enable wake-lock behavior on kernels that support it. 1067e22afbedc1a71905d112d8cf78ca8c2a27e371feJeff Brown // TODO: Only need this for devices that can really wake the system. 1068e22afbedc1a71905d112d8cf78ca8c2a27e371feJeff Brown bool usingSuspendBlock = ioctl(fd, EVIOCSSUSPENDBLOCK, 1) == 0; 1069e22afbedc1a71905d112d8cf78ca8c2a27e371feJeff Brown 10706215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI("New device: id=%d, fd=%d, path='%s', name='%s', classes=0x%x, " 1071e22afbedc1a71905d112d8cf78ca8c2a27e371feJeff Brown "configuration='%s', keyLayout='%s', keyCharacterMap='%s', builtinKeyboard=%s, " 1072e22afbedc1a71905d112d8cf78ca8c2a27e371feJeff Brown "usingSuspendBlock=%s", 10739065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown deviceId, fd, devicePath, device->identifier.name.string(), 10749065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->classes, 10759065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->configurationFile.string(), 10769065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->keyMap.keyLayoutFile.string(), 10779065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->keyMap.keyCharacterMapFile.string(), 1078e22afbedc1a71905d112d8cf78ca8c2a27e371feJeff Brown toString(mBuiltInKeyboardId == deviceId), 1079e22afbedc1a71905d112d8cf78ca8c2a27e371feJeff Brown toString(usingSuspendBlock)); 10809065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 108193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mDevices.add(deviceId, device); 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project device->next = mOpeningDevices; 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOpeningDevices = device; 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 108893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::loadConfigurationLocked(Device* device) { 10899065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->configurationFile = getInputDeviceConfigurationFilePathByDeviceIdentifier( 10909065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier, INPUT_DEVICE_CONFIGURATION_FILE_TYPE_CONFIGURATION); 109147e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown if (device->configurationFile.isEmpty()) { 10925baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("No input device configuration file found for device '%s'.", 10939065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier.name.string()); 109447e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } else { 109547e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown status_t status = PropertyMap::load(device->configurationFile, 109647e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown &device->configuration); 109747e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown if (status) { 10983762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error loading input device configuration file for device '%s'. " 10999065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown "Using default configuration.", 11009065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier.name.string()); 110147e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } 110247e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } 110347e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown} 110447e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown 110593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownstatus_t EventHub::loadVirtualKeyMapLocked(Device* device) { 11069065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // The virtual key map is supplied by the kernel as a system board property file. 11079065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown String8 path; 11089065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown path.append("/sys/board_properties/virtualkeys."); 11099065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown path.append(device->identifier.name); 11109065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (access(path.string(), R_OK)) { 11119065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return NAME_NOT_FOUND; 11129065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 11139065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return VirtualKeyMap::load(path, &device->virtualKeyMap); 1114497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 1115497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 111693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownstatus_t EventHub::loadKeyMapLocked(Device* device) { 11179065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return device->keyMap.load(device->identifier, device->configuration); 1118497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 1119497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 112093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownbool EventHub::isExternalDeviceLocked(Device* device) { 112156194ebec6212e229f4ccdaa4b187166d20013efJeff Brown if (device->configuration) { 112256194ebec6212e229f4ccdaa4b187166d20013efJeff Brown bool value; 1123e81056f35041de24adad9bc5384b9e8f72bf95f6Max Braun if (device->configuration->tryGetProperty(String8("device.internal"), value)) { 1124e81056f35041de24adad9bc5384b9e8f72bf95f6Max Braun return !value; 112556194ebec6212e229f4ccdaa4b187166d20013efJeff Brown } 112656194ebec6212e229f4ccdaa4b187166d20013efJeff Brown } 112756194ebec6212e229f4ccdaa4b187166d20013efJeff Brown return device->identifier.bus == BUS_USB || device->identifier.bus == BUS_BLUETOOTH; 112856194ebec6212e229f4ccdaa4b187166d20013efJeff Brown} 112956194ebec6212e229f4ccdaa4b187166d20013efJeff Brown 11309065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownbool EventHub::hasKeycodeLocked(Device* device, int keycode) const { 11319065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (!device->keyMap.haveKeyLayout() || !device->keyBitmask) { 11320dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn return false; 11330dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 11340dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn 11350dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn Vector<int32_t> scanCodes; 11366f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->keyMap.keyLayoutMap->findScanCodesForKey(keycode, &scanCodes); 11370dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn const size_t N = scanCodes.size(); 11380dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn for (size_t i=0; i<N && i<=KEY_MAX; i++) { 11390dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn int32_t sc = scanCodes.itemAt(i); 11400dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, device->keyBitmask)) { 11410dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn return true; 11420dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 11430dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 11440dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn 11450dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn return false; 11460dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn} 11470dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn 114893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownstatus_t EventHub::closeDeviceByPathLocked(const char *devicePath) { 114993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown Device* device = getDeviceByPathLocked(devicePath); 115093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (device) { 115193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown closeDeviceLocked(device); 115293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown return 0; 115333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 115471f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Remove device: %s not found, device may already have been removed.", devicePath); 115533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown return -1; 115633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown} 11579065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 115893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::closeAllDevicesLocked() { 115993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown while (mDevices.size() > 0) { 116093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown closeDeviceLocked(mDevices.valueAt(mDevices.size() - 1)); 116193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 116293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown} 116393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 116493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::closeDeviceLocked(Device* device) { 11656215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI("Removed device: path=%s name=%s id=%d fd=%d classes=0x%x\n", 116633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->path.string(), device->identifier.name.string(), device->id, 116733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->fd, device->classes); 11689065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 116933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (device->id == mBuiltInKeyboardId) { 11708564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("built-in keyboard device %s (id=%d) is closing! the apps will not like this", 117133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->path.string(), mBuiltInKeyboardId); 117233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown mBuiltInKeyboardId = -1; 117333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 117433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 117593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (epoll_ctl(mEpollFd, EPOLL_CTL_DEL, device->fd, NULL)) { 11768564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Could not remove device fd from epoll instance. errno=%d", errno); 117793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 117893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 117993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mDevices.removeItem(device->id); 118033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->close(); 118133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 11828e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown // Unlink for opening devices list if it is present. 11838e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown Device* pred = NULL; 11848e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown bool found = false; 11858e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown for (Device* entry = mOpeningDevices; entry != NULL; ) { 11868e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown if (entry == device) { 11878e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown found = true; 11888e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown break; 11898e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown } 11908e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown pred = entry; 11918e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown entry = entry->next; 11928e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown } 11938e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown if (found) { 11948e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown // Unlink the device from the opening devices list then delete it. 11958e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown // We don't need to tell the client that the device was closed because 11968e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown // it does not even know it was opened in the first place. 11976215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI("Device %s was immediately closed after opening.", device->path.string()); 11988e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown if (pred) { 11998e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown pred->next = device->next; 12008e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown } else { 12018e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown mOpeningDevices = device->next; 12028e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown } 12038e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown delete device; 12048e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown } else { 12058e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown // Link into closing devices list. 12068e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown // The device will be deleted later after we have informed the client. 12078e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown device->next = mClosingDevices; 12088e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown mClosingDevices = device; 12098e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown } 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 121293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownstatus_t EventHub::readNotifyLocked() { 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int res; 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char devname[PATH_MAX]; 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char *filename; 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char event_buf[512]; 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int event_size; 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int event_pos = 0; 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct inotify_event *event; 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 122171f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("EventHub::readNotify nfd: %d\n", mINotifyFd); 122293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown res = read(mINotifyFd, event_buf, sizeof(event_buf)); 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(res < (int)sizeof(*event)) { 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(errno == EINTR) 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 12268564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("could not get event, %s\n", strerror(errno)); 122793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown return -1; 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("got %d bytes of event information\n", res); 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12319065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown strcpy(devname, DEVICE_PATH); 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filename = devname + strlen(devname); 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *filename++ = '/'; 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while(res >= (int)sizeof(*event)) { 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project event = (struct inotify_event *)(event_buf + event_pos); 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("%d: %08x \"%s\"\n", event->wd, event->mask, event->len ? event->name : ""); 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(event->len) { 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcpy(filename, event->name); 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(event->mask & IN_CREATE) { 124193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown openDeviceLocked(devname); 124293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else { 12436215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI("Removing device '%s' due to inotify event\n", devname); 124493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown closeDeviceByPathLocked(devname); 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project event_size = sizeof(*event) + event->len; 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res -= event_size; 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project event_pos += event_size; 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 125493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownstatus_t EventHub::scanDirLocked(const char *dirname) 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char devname[PATH_MAX]; 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char *filename; 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR *dir; 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent *de; 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dir = opendir(dirname); 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(dir == NULL) 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcpy(devname, dirname); 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filename = devname + strlen(devname); 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *filename++ = '/'; 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while((de = readdir(dir))) { 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(de->d_name[0] == '.' && 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (de->d_name[1] == '\0' || 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (de->d_name[1] == '.' && de->d_name[2] == '\0'))) 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcpy(filename, de->d_name); 127293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown openDeviceLocked(devname); 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dir); 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 127893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::requestReopenDevices() { 127971f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("requestReopenDevices() called"); 128093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 128193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown AutoMutex _l(mLock); 128293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mNeedToReopenDevices = true; 12831a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown} 12841a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown 1285f2f487183052865d50c004a835360be1728b5a52Jeff Brownvoid EventHub::dump(String8& dump) { 1286f2f487183052865d50c004a835360be1728b5a52Jeff Brown dump.append("Event Hub State:\n"); 1287f2f487183052865d50c004a835360be1728b5a52Jeff Brown 1288f2f487183052865d50c004a835360be1728b5a52Jeff Brown { // acquire lock 1289f2f487183052865d50c004a835360be1728b5a52Jeff Brown AutoMutex _l(mLock); 1290f2f487183052865d50c004a835360be1728b5a52Jeff Brown 12919065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown dump.appendFormat(INDENT "BuiltInKeyboardId: %d\n", mBuiltInKeyboardId); 1292f2f487183052865d50c004a835360be1728b5a52Jeff Brown 1293f2f487183052865d50c004a835360be1728b5a52Jeff Brown dump.append(INDENT "Devices:\n"); 1294f2f487183052865d50c004a835360be1728b5a52Jeff Brown 129593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown for (size_t i = 0; i < mDevices.size(); i++) { 129693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown const Device* device = mDevices.valueAt(i); 129793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (mBuiltInKeyboardId == device->id) { 129893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT2 "%d: %s (aka device 0 - built-in keyboard)\n", 129993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->id, device->identifier.name.string()); 130093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else { 130193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT2 "%d: %s\n", device->id, 130293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->identifier.name.string()); 1303f2f487183052865d50c004a835360be1728b5a52Jeff Brown } 130493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "Classes: 0x%08x\n", device->classes); 130593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "Path: %s\n", device->path.string()); 130693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "Location: %s\n", device->identifier.location.string()); 130793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "UniqueId: %s\n", device->identifier.uniqueId.string()); 130893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "Identifier: bus=0x%04x, vendor=0x%04x, " 130993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown "product=0x%04x, version=0x%04x\n", 131093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->identifier.bus, device->identifier.vendor, 131193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->identifier.product, device->identifier.version); 131293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "KeyLayoutFile: %s\n", 131393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->keyMap.keyLayoutFile.string()); 131493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "KeyCharacterMapFile: %s\n", 131593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->keyMap.keyCharacterMapFile.string()); 131693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "ConfigurationFile: %s\n", 131793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->configurationFile.string()); 1318f2f487183052865d50c004a835360be1728b5a52Jeff Brown } 1319f2f487183052865d50c004a835360be1728b5a52Jeff Brown } // release lock 1320f2f487183052865d50c004a835360be1728b5a52Jeff Brown} 1321f2f487183052865d50c004a835360be1728b5a52Jeff Brown 132289ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brownvoid EventHub::monitor() { 132389ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brown // Acquire and release the lock to ensure that the event hub has not deadlocked. 132489ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brown mLock.lock(); 132589ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brown mLock.unlock(); 132689ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brown} 132789ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brown 132889ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brown 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; // namespace android 1330