EventHub.cpp revision 9ee285afe740ff13d176c9d8430979dfd9575a23
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 159b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown mNumCpus = sysconf(_SC_NPROCESSORS_ONLN); 16093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 16193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mEpollFd = epoll_create(EPOLL_SIZE_HINT); 16293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(mEpollFd < 0, "Could not create epoll instance. errno=%d", errno); 16393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 16493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mINotifyFd = inotify_init(); 16593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown int result = inotify_add_watch(mINotifyFd, DEVICE_PATH, IN_DELETE | IN_CREATE); 16693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(result < 0, "Could not register INotify for %s. errno=%d", 16793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown DEVICE_PATH, errno); 16893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 16993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown struct epoll_event eventItem; 17093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown memset(&eventItem, 0, sizeof(eventItem)); 17193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.events = EPOLLIN; 17293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.data.u32 = EPOLL_ID_INOTIFY; 17393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown result = epoll_ctl(mEpollFd, EPOLL_CTL_ADD, mINotifyFd, &eventItem); 17493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(result != 0, "Could not add INotify to epoll instance. errno=%d", errno); 17593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 17693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown int wakeFds[2]; 17793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown result = pipe(wakeFds); 17893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(result != 0, "Could not create wake pipe. errno=%d", errno); 17993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 18093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mWakeReadPipeFd = wakeFds[0]; 18193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mWakeWritePipeFd = wakeFds[1]; 18293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 18393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown result = fcntl(mWakeReadPipeFd, F_SETFL, O_NONBLOCK); 18493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(result != 0, "Could not make wake read pipe non-blocking. errno=%d", 18593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown errno); 18693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 18793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown result = fcntl(mWakeWritePipeFd, F_SETFL, O_NONBLOCK); 18893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(result != 0, "Could not make wake write pipe non-blocking. errno=%d", 18993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown errno); 19093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 19193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.data.u32 = EPOLL_ID_WAKE; 19293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown result = epoll_ctl(mEpollFd, EPOLL_CTL_ADD, mWakeReadPipeFd, &eventItem); 19393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(result != 0, "Could not add wake read pipe to epoll instance. errno=%d", 19493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown errno); 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1979065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownEventHub::~EventHub(void) { 19893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown closeAllDevicesLocked(); 19993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 20093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown while (mClosingDevices) { 20193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown Device* device = mClosingDevices; 20293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mClosingDevices = device->next; 20393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown delete device; 20493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ::close(mEpollFd); 20793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ::close(mINotifyFd); 20893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ::close(mWakeReadPipeFd); 20993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ::close(mWakeWritePipeFd); 21093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 21193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown release_wake_lock(WAKE_LOCK_ID); 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2149065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownString8 EventHub::getDeviceName(int32_t deviceId) const { 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 2169065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (device == NULL) return String8(); 2189065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return device->identifier.name; 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2219065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownuint32_t EventHub::getDeviceClasses(int32_t deviceId) const { 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 2239065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (device == NULL) return 0; 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return device->classes; 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22847e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brownvoid EventHub::getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const { 22947e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown AutoMutex _l(mLock); 2309065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 23147e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown if (device && device->configuration) { 23247e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown *outConfiguration = *device->configuration; 2331f2451007c660091b7b090c1ea332f9044515d2dJeff Brown } else { 2341f2451007c660091b7b090c1ea332f9044515d2dJeff Brown outConfiguration->clear(); 23547e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } 23647e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown} 23747e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown 2386d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownstatus_t EventHub::getAbsoluteAxisInfo(int32_t deviceId, int axis, 2396d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown RawAbsoluteAxisInfo* outAxisInfo) const { 2408d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown outAxisInfo->clear(); 2416d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 242ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (axis >= 0 && axis <= ABS_MAX) { 243ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown AutoMutex _l(mLock); 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 245ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown Device* device = getDeviceLocked(deviceId); 246ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device && test_bit(axis, device->absBitmask)) { 247ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown struct input_absinfo info; 248ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if(ioctl(device->fd, EVIOCGABS(axis), &info)) { 249ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown LOGW("Error reading absolute controller %d for device %s fd %d, errno=%d", 250ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown axis, device->identifier.name.string(), device->fd, errno); 251ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return -errno; 252ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 2536d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 254ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (info.minimum != info.maximum) { 255ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outAxisInfo->valid = true; 256ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outAxisInfo->minValue = info.minimum; 257ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outAxisInfo->maxValue = info.maximum; 258ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outAxisInfo->flat = info.flat; 259ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outAxisInfo->fuzz = info.fuzz; 260ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outAxisInfo->resolution = info.resolution; 261ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 262ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return OK; 263ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 265ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return -1; 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 268cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brownbool EventHub::hasRelativeAxis(int32_t deviceId, int axis) const { 269cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown if (axis >= 0 && axis <= REL_MAX) { 270cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown AutoMutex _l(mLock); 271cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown 272cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown Device* device = getDeviceLocked(deviceId); 273ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device) { 274cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown return test_bit(axis, device->relBitmask); 275cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown } 276cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown } 277cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown return false; 278cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown} 279cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown 28080fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brownbool EventHub::hasInputProperty(int32_t deviceId, int property) const { 28180fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown if (property >= 0 && property <= INPUT_PROP_MAX) { 28280fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown AutoMutex _l(mLock); 28380fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown 28480fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown Device* device = getDeviceLocked(deviceId); 285ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device) { 28680fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown return test_bit(property, device->propBitmask); 28780fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown } 28880fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown } 28980fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown return false; 29080fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown} 29180fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown 2926d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownint32_t EventHub::getScanCodeState(int32_t deviceId, int32_t scanCode) const { 29346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown if (scanCode >= 0 && scanCode <= KEY_MAX) { 29446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown AutoMutex _l(mLock); 29546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 2969065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 297ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device && test_bit(scanCode, device->keyBitmask)) { 298ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown uint8_t keyState[sizeof_bit_array(KEY_MAX + 1)]; 299ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown memset(keyState, 0, sizeof(keyState)); 300ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (ioctl(device->fd, EVIOCGKEY(sizeof(keyState)), keyState) >= 0) { 301ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return test_bit(scanCode, keyState) ? AKEY_STATE_DOWN : AKEY_STATE_UP; 302ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 305c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return AKEY_STATE_UNKNOWN; 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3086d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownint32_t EventHub::getKeyCodeState(int32_t deviceId, int32_t keyCode) const { 3096d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AutoMutex _l(mLock); 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3119065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 312ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device && device->keyMap.haveKeyLayout()) { 313ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown Vector<int32_t> scanCodes; 314ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown device->keyMap.keyLayoutMap->findScanCodesForKey(keyCode, &scanCodes); 315ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (scanCodes.size() != 0) { 316ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown uint8_t keyState[sizeof_bit_array(KEY_MAX + 1)]; 317ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown memset(keyState, 0, sizeof(keyState)); 318ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (ioctl(device->fd, EVIOCGKEY(sizeof(keyState)), keyState) >= 0) { 319ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown for (size_t i = 0; i < scanCodes.size(); i++) { 320ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown int32_t sc = scanCodes.itemAt(i); 321ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, keyState)) { 322ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return AKEY_STATE_DOWN; 323ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 324ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 325ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return AKEY_STATE_UP; 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 329c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return AKEY_STATE_UNKNOWN; 33046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 33146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 3326d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownint32_t EventHub::getSwitchState(int32_t deviceId, int32_t sw) const { 33346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown if (sw >= 0 && sw <= SW_MAX) { 33446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown AutoMutex _l(mLock); 33546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 3369065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 337ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device && test_bit(sw, device->swBitmask)) { 338ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown uint8_t swState[sizeof_bit_array(SW_MAX + 1)]; 339ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown memset(swState, 0, sizeof(swState)); 340ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (ioctl(device->fd, EVIOCGSW(sizeof(swState)), swState) >= 0) { 341ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return test_bit(sw, swState) ? AKEY_STATE_DOWN : AKEY_STATE_UP; 342ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 34346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown } 34446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown } 345c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return AKEY_STATE_UNKNOWN; 34646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 34746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 3482717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brownstatus_t EventHub::getAbsoluteAxisValue(int32_t deviceId, int32_t axis, int32_t* outValue) const { 349063097545e6a273952463803d1a2fab2cb590d4eJeff Brown *outValue = 0; 350063097545e6a273952463803d1a2fab2cb590d4eJeff Brown 3512717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown if (axis >= 0 && axis <= ABS_MAX) { 3522717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown AutoMutex _l(mLock); 3532717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown 3542717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown Device* device = getDeviceLocked(deviceId); 355ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device && test_bit(axis, device->absBitmask)) { 356ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown struct input_absinfo info; 357ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if(ioctl(device->fd, EVIOCGABS(axis), &info)) { 358ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown LOGW("Error reading absolute controller %d for device %s fd %d, errno=%d", 359ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown axis, device->identifier.name.string(), device->fd, errno); 360ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return -errno; 361ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 362ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown 363ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown *outValue = info.value; 364ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return OK; 3652717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown } 3662717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown } 3672717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown return -1; 3682717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown} 3692717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown 3706d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownbool EventHub::markSupportedKeyCodes(int32_t deviceId, size_t numCodes, 3716d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown const int32_t* keyCodes, uint8_t* outFlags) const { 3726d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AutoMutex _l(mLock); 3736d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 3749065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 375ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device && device->keyMap.haveKeyLayout()) { 376ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown Vector<int32_t> scanCodes; 377ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown for (size_t codeIndex = 0; codeIndex < numCodes; codeIndex++) { 378ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown scanCodes.clear(); 379ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown 380ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown status_t err = device->keyMap.keyLayoutMap->findScanCodesForKey( 381ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown keyCodes[codeIndex], &scanCodes); 382ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (! err) { 383ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown // check the possible scan codes identified by the layout map against the 384ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown // map of codes actually emitted by the driver 385ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown for (size_t sc = 0; sc < scanCodes.size(); sc++) { 386ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (test_bit(scanCodes[sc], device->keyBitmask)) { 387ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outFlags[codeIndex] = 1; 388ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown break; 389ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 3906d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 3916d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 3926d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 393ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return true; 3946d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 395ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return false; 3966d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown} 3976d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 3986f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brownstatus_t EventHub::mapKey(int32_t deviceId, int scancode, 399e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn int32_t* outKeycode, uint32_t* outFlags) const 400e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn{ 401e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn AutoMutex _l(mLock); 4029065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 403e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn 4049065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device && device->keyMap.haveKeyLayout()) { 4056f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown status_t err = device->keyMap.keyLayoutMap->mapKey(scancode, outKeycode, outFlags); 406e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn if (err == NO_ERROR) { 407e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn return NO_ERROR; 408e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn } 409e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn } 410e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn 4119065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (mBuiltInKeyboardId != -1) { 4129065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device = getDeviceLocked(mBuiltInKeyboardId); 413e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn 4149065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device && device->keyMap.haveKeyLayout()) { 4156f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown status_t err = device->keyMap.keyLayoutMap->mapKey(scancode, outKeycode, outFlags); 416e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn if (err == NO_ERROR) { 417e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn return NO_ERROR; 418e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn } 419e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn } 420e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn } 421e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn 422e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn *outKeycode = 0; 423e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn *outFlags = 0; 424e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn return NAME_NOT_FOUND; 425e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn} 426e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn 4278529745b27877d98a0c76692295a3fcac238b1e6Jeff Brownstatus_t EventHub::mapAxis(int32_t deviceId, int scancode, AxisInfo* outAxisInfo) const 4286f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown{ 4296f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown AutoMutex _l(mLock); 4306f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown Device* device = getDeviceLocked(deviceId); 4316f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 4326f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (device && device->keyMap.haveKeyLayout()) { 4338529745b27877d98a0c76692295a3fcac238b1e6Jeff Brown status_t err = device->keyMap.keyLayoutMap->mapAxis(scancode, outAxisInfo); 4346f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (err == NO_ERROR) { 4356f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown return NO_ERROR; 4366f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 4376f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 4386f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 4396f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (mBuiltInKeyboardId != -1) { 4406f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device = getDeviceLocked(mBuiltInKeyboardId); 4416f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 4426f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (device && device->keyMap.haveKeyLayout()) { 4438529745b27877d98a0c76692295a3fcac238b1e6Jeff Brown status_t err = device->keyMap.keyLayoutMap->mapAxis(scancode, outAxisInfo); 4446f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (err == NO_ERROR) { 4456f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown return NO_ERROR; 4466f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 4476f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 4486f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 4496f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 4506f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown return NAME_NOT_FOUND; 4516f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown} 4526f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 4531a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brownvoid EventHub::setExcludedDevices(const Vector<String8>& devices) { 454f2f487183052865d50c004a835360be1728b5a52Jeff Brown AutoMutex _l(mLock); 455f2f487183052865d50c004a835360be1728b5a52Jeff Brown 4561a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown mExcludedDevices = devices; 4571d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood} 4581d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 45949754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brownbool EventHub::hasScanCode(int32_t deviceId, int32_t scanCode) const { 46049754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown AutoMutex _l(mLock); 46149754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown Device* device = getDeviceLocked(deviceId); 46249754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown if (device && scanCode >= 0 && scanCode <= KEY_MAX) { 46349754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown if (test_bit(scanCode, device->keyBitmask)) { 46449754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown return true; 46549754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown } 46649754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown } 46749754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown return false; 46849754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown} 46949754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown 470497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brownbool EventHub::hasLed(int32_t deviceId, int32_t led) const { 471497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown AutoMutex _l(mLock); 4729065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 47393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (device && led >= 0 && led <= LED_MAX) { 47493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (test_bit(led, device->ledBitmask)) { 47593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown return true; 476497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 477497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 478497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown return false; 479497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 480497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 481497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brownvoid EventHub::setLedState(int32_t deviceId, int32_t led, bool on) { 482497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown AutoMutex _l(mLock); 4839065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 48493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (device && led >= 0 && led <= LED_MAX) { 485497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown struct input_event ev; 486497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.time.tv_sec = 0; 487497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.time.tv_usec = 0; 488497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.type = EV_LED; 489497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.code = led; 490497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.value = on ? 1 : 0; 491497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 492497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ssize_t nWrite; 493497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown do { 494497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown nWrite = write(device->fd, &ev, sizeof(struct input_event)); 495497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } while (nWrite == -1 && errno == EINTR); 496497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 497497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 498497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 4999065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownvoid EventHub::getVirtualKeyDefinitions(int32_t deviceId, 5009065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Vector<VirtualKeyDefinition>& outVirtualKeys) const { 5019065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown outVirtualKeys.clear(); 5029065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 5039065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown AutoMutex _l(mLock); 5049065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 5059065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device && device->virtualKeyMap) { 5069065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown outVirtualKeys.appendVector(device->virtualKeyMap->getVirtualKeys()); 5079065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 5089065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown} 5099065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 5109065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownEventHub::Device* EventHub::getDeviceLocked(int32_t deviceId) const { 5119065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (deviceId == 0) { 5129065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown deviceId = mBuiltInKeyboardId; 5139065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 51493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ssize_t index = mDevices.indexOfKey(deviceId); 51593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown return index >= 0 ? mDevices.valueAt(index) : NULL; 51693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown} 5179065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 51893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff BrownEventHub::Device* EventHub::getDeviceByPathLocked(const char* devicePath) const { 51993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown for (size_t i = 0; i < mDevices.size(); i++) { 52093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown Device* device = mDevices.valueAt(i); 52193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (device->path == devicePath) { 5229065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return device; 5239065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 528b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brownsize_t EventHub::getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize) { 529b6110c2de0cd7950360aeb2c248a44e4ea5f33f5Jeff Brown LOG_ASSERT(bufferSize >= 1); 5301d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 53193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown AutoMutex _l(mLock); 5321d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 533b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown struct input_event readBuffer[bufferSize]; 534b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 535b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown RawEvent* event = buffer; 536b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown size_t capacity = bufferSize; 53793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown bool awoken = false; 538cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown for (;;) { 539b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC); 540b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 5411a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown // Reopen input devices if needed. 54293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (mNeedToReopenDevices) { 54393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mNeedToReopenDevices = false; 5441a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown 5451a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown LOGI("Reopening all input devices due to a configuration change."); 5461a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown 54793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown closeAllDevicesLocked(); 5481a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown mNeedToScanDevices = true; 5491a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown break; // return to the caller before we actually rescan 5501a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown } 5511a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown 552cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Report any devices that had last been added/removed. 553b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown while (mClosingDevices) { 5549065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = mClosingDevices; 5559065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGV("Reporting device closed: id=%d, name=%s\n", 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project device->id, device->path.string()); 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mClosingDevices = device->next; 558b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->when = now; 559b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id; 560b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->type = DEVICE_REMOVED; 561b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event += 1; 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete device; 5637342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown mNeedToSendFinishedDeviceScan = true; 564b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown if (--capacity == 0) { 565b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown break; 566b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5686d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 5691a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown if (mNeedToScanDevices) { 5701a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown mNeedToScanDevices = false; 57193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown scanDevicesLocked(); 5721a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown mNeedToSendFinishedDeviceScan = true; 5731a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown } 5741a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown 575b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown while (mOpeningDevices != NULL) { 5769065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = mOpeningDevices; 5779065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGV("Reporting device opened: id=%d, name=%s\n", 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project device->id, device->path.string()); 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOpeningDevices = device->next; 580b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->when = now; 581b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id; 582b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->type = DEVICE_ADDED; 583b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event += 1; 5847342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown mNeedToSendFinishedDeviceScan = true; 585b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown if (--capacity == 0) { 586b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown break; 587b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 5887342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown } 5897342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown 5907342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown if (mNeedToSendFinishedDeviceScan) { 5917342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown mNeedToSendFinishedDeviceScan = false; 592b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->when = now; 593b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->type = FINISHED_DEVICE_SCAN; 594b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event += 1; 595b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown if (--capacity == 0) { 596b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown break; 597b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 600cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Grab the next input event. 60193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown bool deviceChanged = false; 60293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown while (mPendingEventIndex < mPendingEventCount) { 60393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown const struct epoll_event& eventItem = mPendingEventItems[mPendingEventIndex++]; 60493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (eventItem.data.u32 == EPOLL_ID_INOTIFY) { 60593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (eventItem.events & EPOLLIN) { 60693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingINotify = true; 60793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else { 60893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOGW("Received unexpected epoll event 0x%08x for INotify.", eventItem.events); 60993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 61093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown continue; 61193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 61293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 61393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (eventItem.data.u32 == EPOLL_ID_WAKE) { 61493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (eventItem.events & EPOLLIN) { 61593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOGV("awoken after wake()"); 61693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown awoken = true; 61793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown char buffer[16]; 61893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ssize_t nRead; 61993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown do { 62093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown nRead = read(mWakeReadPipeFd, buffer, sizeof(buffer)); 62193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } while ((nRead == -1 && errno == EINTR) || nRead == sizeof(buffer)); 62293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else { 62393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOGW("Received unexpected epoll event 0x%08x for wake read pipe.", 62493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.events); 62593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 62693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown continue; 62793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 62893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 62993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ssize_t deviceIndex = mDevices.indexOfKey(eventItem.data.u32); 63093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (deviceIndex < 0) { 63193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOGW("Received unexpected epoll event 0x%08x for unknown device id %d.", 63293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.events, eventItem.data.u32); 63393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown continue; 63493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 63593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 63693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown Device* device = mDevices.valueAt(deviceIndex); 63793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (eventItem.events & EPOLLIN) { 63893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown int32_t readSize = read(device->fd, readBuffer, 63993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown sizeof(struct input_event) * capacity); 64093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (readSize == 0 || (readSize < 0 && errno == ENODEV)) { 64193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Device was removed before INotify noticed. 64293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown deviceChanged = true; 64393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown closeDeviceLocked(device); 64493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else if (readSize < 0) { 645cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (errno != EAGAIN && errno != EINTR) { 646cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown LOGW("could not get event (errno=%d)", errno); 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 648cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } else if ((readSize % sizeof(struct input_event)) != 0) { 649cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown LOGE("could not get event (wrong size: %d)", readSize); 650cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } else { 651b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown int32_t deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id; 652b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 653b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown size_t count = size_t(readSize) / sizeof(struct input_event); 654b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown for (size_t i = 0; i < count; i++) { 655b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown const struct input_event& iev = readBuffer[i]; 656b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown LOGV("%s got: t0=%d, t1=%d, type=%d, code=%d, value=%d", 657b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown device->path.string(), 658b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown (int) iev.time.tv_sec, (int) iev.time.tv_usec, 659b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown iev.type, iev.code, iev.value); 660b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 6614e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown#ifdef HAVE_POSIX_CLOCKS 6624e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // Use the time specified in the event instead of the current time 6634e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // so that downstream code can get more accurate estimates of 6644e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // event dispatch latency from the time the event is enqueued onto 6654e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // the evdev client buffer. 6664e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // 6674e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // The event's timestamp fortuitously uses the same monotonic clock 6684e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // time base as the rest of Android. The kernel event device driver 6694e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // (drivers/input/evdev.c) obtains timestamps using ktime_get_ts(). 6704e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // The systemTime(SYSTEM_TIME_MONOTONIC) function we use everywhere 6714e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // calls clock_gettime(CLOCK_MONOTONIC) which is implemented as a 6724e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // system call that also queries ktime_get_ts(). 6734e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown event->when = nsecs_t(iev.time.tv_sec) * 1000000000LL 6744e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown + nsecs_t(iev.time.tv_usec) * 1000LL; 6754e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown LOGV("event time %lld, now %lld", event->when, now); 6764e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown#else 677b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->when = now; 6784e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown#endif 679b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->deviceId = deviceId; 680b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->type = iev.type; 681b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->scanCode = iev.code; 682b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->value = iev.value; 683b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->keyCode = AKEYCODE_UNKNOWN; 684b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->flags = 0; 685b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown if (iev.type == EV_KEY && device->keyMap.haveKeyLayout()) { 686b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown status_t err = device->keyMap.keyLayoutMap->mapKey(iev.code, 687b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown &event->keyCode, &event->flags); 688b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown LOGV("iev.code=%d keyCode=%d flags=0x%08x err=%d\n", 689b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown iev.code, event->keyCode, event->flags, err); 690b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 691b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event += 1; 692b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 693b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown capacity -= count; 694b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown if (capacity == 0) { 69593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // The result buffer is full. Reset the pending event index 69693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // so we will try to read the device again on the next iteration. 69793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingEventIndex -= 1; 698b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown break; 699b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 70193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else { 70293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOGW("Received unexpected epoll event 0x%08x for device %s.", 70393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.events, device->identifier.name.string()); 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 706cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 70793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // readNotify() will modify the list of devices so this must be done after 70893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // processing all other events to ensure that we read all remaining events 70993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // before closing the devices. 71093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (mPendingINotify && mPendingEventIndex >= mPendingEventCount) { 71193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingINotify = false; 71293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown readNotifyLocked(); 71393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown deviceChanged = true; 71433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 71533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 71693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Report added or removed devices immediately. 71793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (deviceChanged) { 71893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown continue; 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 720a9b84229a3e9e0ae15e3e964985fac2314247be2Jeff Brown 72193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Return now if we have collected any events or if we were explicitly awoken. 72293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (event != buffer || awoken) { 723b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown break; 724b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 725b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 726cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Poll for events. Mind the wake lock dance! 72793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // We hold a wake lock at all times except during epoll_wait(). This works due to some 728cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // subtle choreography. When a device driver has pending (unread) events, it acquires 729cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // a kernel wake lock. However, once the last pending event has been read, the device 730cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // driver will release the kernel wake lock. To prevent the system from going to sleep 731cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // when this happens, the EventHub holds onto its own user wake lock while the client 732cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // is processing events. Thus the system can only sleep if there are no events 733cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // pending or currently being processed. 734aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown // 735aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown // The timeout is advisory only. If the device is asleep, it will not wake just to 736aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown // service the timeout. 73793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingEventIndex = 0; 73893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 73993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mLock.unlock(); // release lock before poll, must be before release_wake_lock 740cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown release_wake_lock(WAKE_LOCK_ID); 741cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 74293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown int pollResult = epoll_wait(mEpollFd, mPendingEventItems, EPOLL_MAX_EVENTS, timeoutMillis); 743cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 744cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID); 74593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mLock.lock(); // reacquire lock after poll, must be after acquire_wake_lock 746cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 747aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown if (pollResult == 0) { 74893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Timed out. 74993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingEventCount = 0; 75093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown break; 751aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown } 75293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 753aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown if (pollResult < 0) { 75493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // An error occurred. 75593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingEventCount = 0; 75693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 757b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown // Sleep after errors to avoid locking up the system. 758b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown // Hopefully the error is transient. 759cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (errno != EINTR) { 760a9b84229a3e9e0ae15e3e964985fac2314247be2Jeff Brown LOGW("poll failed (errno=%d)\n", errno); 761cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown usleep(100000); 762cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 763b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } else { 76493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Some events occurred. 76593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingEventCount = size_t(pollResult); 76693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 767b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown // On an SMP system, it is possible for the framework to read input events 768b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown // faster than the kernel input device driver can produce a complete packet. 769b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown // Because poll() wakes up as soon as the first input event becomes available, 770b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown // the framework will often end up reading one event at a time until the 771b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown // packet is complete. Instead of one call to read() returning 71 events, 772b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown // it could take 71 calls to read() each returning 1 event. 773b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown // 774b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown // Sleep for a short period of time after waking up from the poll() to give 775b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown // the kernel time to finish writing the entire packet of input events. 776b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown if (mNumCpus > 1) { 777b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown usleep(250); 778b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 779cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 781b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 782b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown // All done, return the number of events we read. 783b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown return event - buffer; 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 78693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::wake() { 78793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOGV("wake() called"); 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 78993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ssize_t nWrite; 79093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown do { 79193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown nWrite = write(mWakeWritePipeFd, "W", 1); 79293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } while (nWrite == -1 && errno == EINTR); 79393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 79493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (nWrite != 1 && errno != EAGAIN) { 79593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOGW("Could not write wake signal, errno=%d", errno); 79693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 7971a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown} 7989065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 79993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::scanDevicesLocked() { 80093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown status_t res = scanDirLocked(DEVICE_PATH); 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(res < 0) { 8029065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("scan dir failed for %s\n", DEVICE_PATH); 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 808fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brownstatic bool containsNonZeroByte(const uint8_t* array, uint32_t startIndex, uint32_t endIndex) { 809fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown const uint8_t* end = array + endIndex; 810fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown array += startIndex; 811fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown while (array != end) { 812fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown if (*(array++) != 0) { 813fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown return true; 814fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 815fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 816fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown return false; 817fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown} 818fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 819fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brownstatic const int32_t GAMEPAD_KEYCODES[] = { 820fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_A, AKEYCODE_BUTTON_B, AKEYCODE_BUTTON_C, 821fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_X, AKEYCODE_BUTTON_Y, AKEYCODE_BUTTON_Z, 822fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_L1, AKEYCODE_BUTTON_R1, 823fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_L2, AKEYCODE_BUTTON_R2, 824fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_THUMBL, AKEYCODE_BUTTON_THUMBR, 825cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_START, AKEYCODE_BUTTON_SELECT, AKEYCODE_BUTTON_MODE, 826cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_1, AKEYCODE_BUTTON_2, AKEYCODE_BUTTON_3, AKEYCODE_BUTTON_4, 827cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_5, AKEYCODE_BUTTON_6, AKEYCODE_BUTTON_7, AKEYCODE_BUTTON_8, 828cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_9, AKEYCODE_BUTTON_10, AKEYCODE_BUTTON_11, AKEYCODE_BUTTON_12, 829cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_13, AKEYCODE_BUTTON_14, AKEYCODE_BUTTON_15, AKEYCODE_BUTTON_16, 830fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown}; 831fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 83293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownstatus_t EventHub::openDeviceLocked(const char *devicePath) { 8339065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown char buffer[80]; 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8359065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGV("Opening device: %s", devicePath); 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8379065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int fd = open(devicePath, O_RDWR); 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(fd < 0) { 8399065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("could not open %s, %s\n", devicePath, strerror(errno)); 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8439065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown InputDeviceIdentifier identifier; 8449065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 8459065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device name. 8469065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGNAME(sizeof(buffer) - 1), &buffer) < 1) { 8479065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown //fprintf(stderr, "could not get device name for %s, %s\n", devicePath, strerror(errno)); 8489065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } else { 8499065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown buffer[sizeof(buffer) - 1] = '\0'; 8509065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.name.setTo(buffer); 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8539065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Check to see if the device is on our excluded list 8541a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown for (size_t i = 0; i < mExcludedDevices.size(); i++) { 8551a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown const String8& item = mExcludedDevices.itemAt(i); 8561a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown if (identifier.name == item) { 8571a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown LOGI("ignoring event id %s driver %s\n", devicePath, item.string()); 8581d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood close(fd); 8591d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood return -1; 8601d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood } 8611d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood } 8621d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 8639065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device driver version. 8649065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int driverVersion; 8659065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGVERSION, &driverVersion)) { 8669065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("could not get driver version for %s, %s\n", devicePath, strerror(errno)); 867cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown close(fd); 868cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown return -1; 869cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 870cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 8719065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device identifier. 8729065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown struct input_id inputId; 8739065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGID, &inputId)) { 8749065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("could not get device input id for %s, %s\n", devicePath, strerror(errno)); 8759065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown close(fd); 8769065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return -1; 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8789065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.bus = inputId.bustype; 8799065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.product = inputId.product; 8809065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.vendor = inputId.vendor; 8819065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.version = inputId.version; 8829065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 8839065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device physical location. 8849065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGPHYS(sizeof(buffer) - 1), &buffer) < 1) { 8859065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown //fprintf(stderr, "could not get location for %s, %s\n", devicePath, strerror(errno)); 8869065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } else { 8879065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown buffer[sizeof(buffer) - 1] = '\0'; 8889065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.location.setTo(buffer); 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8919065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device unique id. 8929065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGUNIQ(sizeof(buffer) - 1), &buffer) < 1) { 8939065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown //fprintf(stderr, "could not get idstring for %s, %s\n", devicePath, strerror(errno)); 8949065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } else { 8959065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown buffer[sizeof(buffer) - 1] = '\0'; 8969065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.uniqueId.setTo(buffer); 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8999065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Make file descriptor non-blocking for use with poll(). 9009065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (fcntl(fd, F_SETFL, O_NONBLOCK)) { 9019065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("Error %d making device file descriptor non-blocking.", errno); 9029065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown close(fd); 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9059065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 9069065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Allocate device. (The device object takes ownership of the fd at this point.) 9079065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int32_t deviceId = mNextDeviceId++; 9089065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = new Device(fd, deviceId, String8(devicePath), identifier); 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if 0 9119065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI("add device %d: %s\n", deviceId, devicePath); 9129065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI(" bus: %04x\n" 9139065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown " vendor %04x\n" 9149065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown " product %04x\n" 9159065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown " version %04x\n", 9169065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.bus, identifier.vendor, identifier.product, identifier.version); 9179065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI(" name: \"%s\"\n", identifier.name.string()); 9189065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI(" location: \"%s\"\n", identifier.location.string()); 9199065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI(" unique id: \"%s\"\n", identifier.uniqueId.string()); 9209065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI(" driver: v%d.%d.%d\n", 9219065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown driverVersion >> 16, (driverVersion >> 8) & 0xff, driverVersion & 0xff); 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 92447e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown // Load the configuration file for the device. 92593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown loadConfigurationLocked(device); 92647e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown 927fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // Figure out the kinds of events the device reports. 92893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(device->keyBitmask)), device->keyBitmask); 92993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(device->absBitmask)), device->absBitmask); 93093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ioctl(fd, EVIOCGBIT(EV_REL, sizeof(device->relBitmask)), device->relBitmask); 93193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ioctl(fd, EVIOCGBIT(EV_SW, sizeof(device->swBitmask)), device->swBitmask); 93293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ioctl(fd, EVIOCGBIT(EV_LED, sizeof(device->ledBitmask)), device->ledBitmask); 93393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ioctl(fd, EVIOCGPROP(sizeof(device->propBitmask)), device->propBitmask); 93480fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown 9356f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // See if this is a keyboard. Ignore everything in the button range except for 9366f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // joystick and gamepad buttons which are handled like keyboards for the most part. 93793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown bool haveKeyboardKeys = containsNonZeroByte(device->keyBitmask, 0, sizeof_bit_array(BTN_MISC)) 93893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown || containsNonZeroByte(device->keyBitmask, sizeof_bit_array(KEY_OK), 9396f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown sizeof_bit_array(KEY_MAX + 1)); 94093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown bool haveGamepadButtons = containsNonZeroByte(device->keyBitmask, sizeof_bit_array(BTN_MISC), 9419e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown sizeof_bit_array(BTN_MOUSE)) 94293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown || containsNonZeroByte(device->keyBitmask, sizeof_bit_array(BTN_JOYSTICK), 9439e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown sizeof_bit_array(BTN_DIGI)); 9446f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (haveKeyboardKeys || haveGamepadButtons) { 9456f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->classes |= INPUT_DEVICE_CLASS_KEYBOARD; 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9476f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 94883c09685f2e62bc3cf7e71bc61d903f4b9ccaeb4Jeff Brown // See if this is a cursor device such as a trackball or mouse. 94993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (test_bit(BTN_MOUSE, device->keyBitmask) 95093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown && test_bit(REL_X, device->relBitmask) 95193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown && test_bit(REL_Y, device->relBitmask)) { 9526f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->classes |= INPUT_DEVICE_CLASS_CURSOR; 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 954fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 955fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // See if this is a touch pad. 9566f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // Is this a new modern multi-touch driver? 95793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (test_bit(ABS_MT_POSITION_X, device->absBitmask) 95893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown && test_bit(ABS_MT_POSITION_Y, device->absBitmask)) { 9596f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // Some joysticks such as the PS3 controller report axes that conflict 9606f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // with the ABS_MT range. Try to confirm that the device really is 9616f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // a touch screen. 96293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (test_bit(BTN_TOUCH, device->keyBitmask) || !haveGamepadButtons) { 96358a2da843f2f22f406df8df1f011738eb8b7fcb1Jeff Brown device->classes |= INPUT_DEVICE_CLASS_TOUCH | INPUT_DEVICE_CLASS_TOUCH_MT; 964fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 9656f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // Is this an old style single-touch driver? 96693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else if (test_bit(BTN_TOUCH, device->keyBitmask) 96793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown && test_bit(ABS_X, device->absBitmask) 96893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown && test_bit(ABS_Y, device->absBitmask)) { 9696f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->classes |= INPUT_DEVICE_CLASS_TOUCH; 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9729e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown // See if this device is a joystick. 9739e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown // Assumes that joysticks always have gamepad buttons in order to distinguish them 9749e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown // from other devices such as accelerometers that also have absolute axes. 9759ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown if (haveGamepadButtons) { 9769ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown uint32_t assumedClasses = device->classes | INPUT_DEVICE_CLASS_JOYSTICK; 9779ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown for (int i = 0; i <= ABS_MAX; i++) { 9789ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown if (test_bit(i, device->absBitmask) 9799ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown && (getAbsAxisUsage(i, assumedClasses) & INPUT_DEVICE_CLASS_JOYSTICK)) { 9809ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown device->classes = assumedClasses; 9819ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown break; 9829ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown } 9839ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown } 9849e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown } 9859e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown 98693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Check whether this device has switches. 98793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown for (int i = 0; i <= SW_MAX; i++) { 98893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (test_bit(i, device->swBitmask)) { 98993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->classes |= INPUT_DEVICE_CLASS_SWITCH; 99093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown break; 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 99493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Configure virtual keys. 99558a2da843f2f22f406df8df1f011738eb8b7fcb1Jeff Brown if ((device->classes & INPUT_DEVICE_CLASS_TOUCH)) { 9969065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Load the virtual keys for the touch screen, if any. 9979065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // We do this now so that we can make sure to load the keymap if necessary. 99893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown status_t status = loadVirtualKeyMapLocked(device); 9999065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (!status) { 10009065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->classes |= INPUT_DEVICE_CLASS_KEYBOARD; 1001497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 10029065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 10039065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 10049e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown // Load the key map. 10059e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown // We need to do this for joysticks too because the key layout may specify axes. 10069e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown status_t keyMapStatus = NAME_NOT_FOUND; 10079e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown if (device->classes & (INPUT_DEVICE_CLASS_KEYBOARD | INPUT_DEVICE_CLASS_JOYSTICK)) { 10089065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Load the keymap for the device. 100993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown keyMapStatus = loadKeyMapLocked(device); 10109e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown } 10119065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 10129e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown // Configure the keyboard, gamepad or virtual keyboard. 10139e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown if (device->classes & INPUT_DEVICE_CLASS_KEYBOARD) { 10149065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Set system properties for the keyboard. 101593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown setKeyboardPropertiesLocked(device, false); 1016497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 10179065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Register the keyboard as a built-in keyboard if it is eligible. 10189e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown if (!keyMapStatus 10199065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown && mBuiltInKeyboardId == -1 10209065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown && isEligibleBuiltInKeyboard(device->identifier, 10219065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->configuration, &device->keyMap)) { 10229065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mBuiltInKeyboardId = device->id; 102393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown setKeyboardPropertiesLocked(device, true); 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10260dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn // 'Q' key support = cheap test of whether this is an alpha-capable kbd 1027f2f487183052865d50c004a835360be1728b5a52Jeff Brown if (hasKeycodeLocked(device, AKEYCODE_Q)) { 102846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown device->classes |= INPUT_DEVICE_CLASS_ALPHAKEY; 10290dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 1030497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 1031fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // See if this device has a DPAD. 1032f2f487183052865d50c004a835360be1728b5a52Jeff Brown if (hasKeycodeLocked(device, AKEYCODE_DPAD_UP) && 1033f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_DOWN) && 1034f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_LEFT) && 1035f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_RIGHT) && 1036f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_CENTER)) { 103746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown device->classes |= INPUT_DEVICE_CLASS_DPAD; 10380dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 1039497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 1040fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // See if this device has a gamepad. 10411d79a9d9f85f932a1fd6dcddba335450b65ba4e6Kenny Root for (size_t i = 0; i < sizeof(GAMEPAD_KEYCODES)/sizeof(GAMEPAD_KEYCODES[0]); i++) { 1042f2f487183052865d50c004a835360be1728b5a52Jeff Brown if (hasKeycodeLocked(device, GAMEPAD_KEYCODES[i])) { 1043fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown device->classes |= INPUT_DEVICE_CLASS_GAMEPAD; 1044fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown break; 1045fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 1046fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1049aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil // If the device isn't recognized as something we handle, don't monitor it. 1050aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil if (device->classes == 0) { 10519065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGV("Dropping device: id=%d, path='%s', name='%s'", 10529065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown deviceId, devicePath, device->identifier.name.string()); 1053aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil delete device; 1054aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil return -1; 1055aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil } 1056aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil 105756194ebec6212e229f4ccdaa4b187166d20013efJeff Brown // Determine whether the device is external or internal. 105893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (isExternalDeviceLocked(device)) { 105956194ebec6212e229f4ccdaa4b187166d20013efJeff Brown device->classes |= INPUT_DEVICE_CLASS_EXTERNAL; 106056194ebec6212e229f4ccdaa4b187166d20013efJeff Brown } 106156194ebec6212e229f4ccdaa4b187166d20013efJeff Brown 106293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Register with epoll. 106393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown struct epoll_event eventItem; 106493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown memset(&eventItem, 0, sizeof(eventItem)); 106593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.events = EPOLLIN; 106693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.data.u32 = deviceId; 106793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (epoll_ctl(mEpollFd, EPOLL_CTL_ADD, fd, &eventItem)) { 106893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOGE("Could not add device fd to epoll instance. errno=%d", errno); 106993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown delete device; 107093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown return -1; 107193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 107293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 10739065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI("New device: id=%d, fd=%d, path='%s', name='%s', classes=0x%x, " 10749065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown "configuration='%s', keyLayout='%s', keyCharacterMap='%s', builtinKeyboard=%s", 10759065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown deviceId, fd, devicePath, device->identifier.name.string(), 10769065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->classes, 10779065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->configurationFile.string(), 10789065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->keyMap.keyLayoutFile.string(), 10799065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->keyMap.keyCharacterMapFile.string(), 10809065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown toString(mBuiltInKeyboardId == deviceId)); 10819065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 108293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mDevices.add(deviceId, device); 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project device->next = mOpeningDevices; 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOpeningDevices = device; 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 108993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::loadConfigurationLocked(Device* device) { 10909065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->configurationFile = getInputDeviceConfigurationFilePathByDeviceIdentifier( 10919065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier, INPUT_DEVICE_CONFIGURATION_FILE_TYPE_CONFIGURATION); 109247e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown if (device->configurationFile.isEmpty()) { 10939065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGD("No input device configuration file found for device '%s'.", 10949065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier.name.string()); 109547e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } else { 109647e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown status_t status = PropertyMap::load(device->configurationFile, 109747e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown &device->configuration); 109847e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown if (status) { 10999065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("Error loading input device configuration file for device '%s'. " 11009065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown "Using default configuration.", 11019065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier.name.string()); 110247e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } 110347e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } 110447e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown} 110547e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown 110693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownstatus_t EventHub::loadVirtualKeyMapLocked(Device* device) { 11079065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // The virtual key map is supplied by the kernel as a system board property file. 11089065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown String8 path; 11099065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown path.append("/sys/board_properties/virtualkeys."); 11109065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown path.append(device->identifier.name); 11119065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (access(path.string(), R_OK)) { 11129065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return NAME_NOT_FOUND; 11139065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 11149065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return VirtualKeyMap::load(path, &device->virtualKeyMap); 1115497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 1116497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 111793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownstatus_t EventHub::loadKeyMapLocked(Device* device) { 11189065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return device->keyMap.load(device->identifier, device->configuration); 1119497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 1120497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 112193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::setKeyboardPropertiesLocked(Device* device, bool builtInKeyboard) { 11229065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int32_t id = builtInKeyboard ? 0 : device->id; 11239065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown android::setKeyboardProperties(id, device->identifier, 11249065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->keyMap.keyLayoutFile, device->keyMap.keyCharacterMapFile); 11259065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown} 11269065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 112793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::clearKeyboardPropertiesLocked(Device* device, bool builtInKeyboard) { 11289065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int32_t id = builtInKeyboard ? 0 : device->id; 11296b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown android::clearKeyboardProperties(id); 1130497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 1131497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 113293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownbool EventHub::isExternalDeviceLocked(Device* device) { 113356194ebec6212e229f4ccdaa4b187166d20013efJeff Brown if (device->configuration) { 113456194ebec6212e229f4ccdaa4b187166d20013efJeff Brown bool value; 113556194ebec6212e229f4ccdaa4b187166d20013efJeff Brown if (device->configuration->tryGetProperty(String8("device.internal"), value) 113656194ebec6212e229f4ccdaa4b187166d20013efJeff Brown && value) { 113756194ebec6212e229f4ccdaa4b187166d20013efJeff Brown return false; 113856194ebec6212e229f4ccdaa4b187166d20013efJeff Brown } 113956194ebec6212e229f4ccdaa4b187166d20013efJeff Brown } 114056194ebec6212e229f4ccdaa4b187166d20013efJeff Brown return device->identifier.bus == BUS_USB || device->identifier.bus == BUS_BLUETOOTH; 114156194ebec6212e229f4ccdaa4b187166d20013efJeff Brown} 114256194ebec6212e229f4ccdaa4b187166d20013efJeff Brown 11439065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownbool EventHub::hasKeycodeLocked(Device* device, int keycode) const { 11449065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (!device->keyMap.haveKeyLayout() || !device->keyBitmask) { 11450dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn return false; 11460dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 11470dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn 11480dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn Vector<int32_t> scanCodes; 11496f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->keyMap.keyLayoutMap->findScanCodesForKey(keycode, &scanCodes); 11500dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn const size_t N = scanCodes.size(); 11510dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn for (size_t i=0; i<N && i<=KEY_MAX; i++) { 11520dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn int32_t sc = scanCodes.itemAt(i); 11530dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, device->keyBitmask)) { 11540dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn return true; 11550dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 11560dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 11570dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn 11580dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn return false; 11590dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn} 11600dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn 116193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownstatus_t EventHub::closeDeviceByPathLocked(const char *devicePath) { 116293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown Device* device = getDeviceByPathLocked(devicePath); 116393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (device) { 116493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown closeDeviceLocked(device); 116593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown return 0; 116633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 116733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown LOGV("Remove device: %s not found, device may already have been removed.", devicePath); 116833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown return -1; 116933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown} 11709065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 117193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::closeAllDevicesLocked() { 117293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown while (mDevices.size() > 0) { 117393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown closeDeviceLocked(mDevices.valueAt(mDevices.size() - 1)); 117493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 117593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown} 117693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 117793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::closeDeviceLocked(Device* device) { 117833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown LOGI("Removed device: path=%s name=%s id=%d fd=%d classes=0x%x\n", 117933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->path.string(), device->identifier.name.string(), device->id, 118033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->fd, device->classes); 11819065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 118233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (device->id == mBuiltInKeyboardId) { 118333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown LOGW("built-in keyboard device %s (id=%d) is closing! the apps will not like this", 118433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->path.string(), mBuiltInKeyboardId); 118533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown mBuiltInKeyboardId = -1; 118693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown clearKeyboardPropertiesLocked(device, true); 118733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 118893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown clearKeyboardPropertiesLocked(device, false); 118933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 119093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (epoll_ctl(mEpollFd, EPOLL_CTL_DEL, device->fd, NULL)) { 119193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOGW("Could not remove device fd from epoll instance. errno=%d", errno); 119293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 119393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 119493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mDevices.removeItem(device->id); 119533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->close(); 119633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 11978e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown // Unlink for opening devices list if it is present. 11988e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown Device* pred = NULL; 11998e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown bool found = false; 12008e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown for (Device* entry = mOpeningDevices; entry != NULL; ) { 12018e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown if (entry == device) { 12028e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown found = true; 12038e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown break; 12048e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown } 12058e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown pred = entry; 12068e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown entry = entry->next; 12078e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown } 12088e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown if (found) { 12098e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown // Unlink the device from the opening devices list then delete it. 12108e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown // We don't need to tell the client that the device was closed because 12118e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown // it does not even know it was opened in the first place. 12128e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown LOGI("Device %s was immediately closed after opening.", device->path.string()); 12138e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown if (pred) { 12148e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown pred->next = device->next; 12158e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown } else { 12168e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown mOpeningDevices = device->next; 12178e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown } 12188e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown delete device; 12198e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown } else { 12208e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown // Link into closing devices list. 12218e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown // The device will be deleted later after we have informed the client. 12228e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown device->next = mClosingDevices; 12238e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown mClosingDevices = device; 12248e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown } 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 122793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownstatus_t EventHub::readNotifyLocked() { 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int res; 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char devname[PATH_MAX]; 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char *filename; 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char event_buf[512]; 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int event_size; 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int event_pos = 0; 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct inotify_event *event; 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 123693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOGV("EventHub::readNotify nfd: %d\n", mINotifyFd); 123793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown res = read(mINotifyFd, event_buf, sizeof(event_buf)); 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(res < (int)sizeof(*event)) { 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(errno == EINTR) 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("could not get event, %s\n", strerror(errno)); 124293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown return -1; 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("got %d bytes of event information\n", res); 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12469065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown strcpy(devname, DEVICE_PATH); 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filename = devname + strlen(devname); 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *filename++ = '/'; 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while(res >= (int)sizeof(*event)) { 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project event = (struct inotify_event *)(event_buf + event_pos); 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("%d: %08x \"%s\"\n", event->wd, event->mask, event->len ? event->name : ""); 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(event->len) { 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcpy(filename, event->name); 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(event->mask & IN_CREATE) { 125693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown openDeviceLocked(devname); 125793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else { 125893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown closeDeviceByPathLocked(devname); 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project event_size = sizeof(*event) + event->len; 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res -= event_size; 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project event_pos += event_size; 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 126893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownstatus_t EventHub::scanDirLocked(const char *dirname) 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char devname[PATH_MAX]; 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char *filename; 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR *dir; 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent *de; 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dir = opendir(dirname); 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(dir == NULL) 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcpy(devname, dirname); 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filename = devname + strlen(devname); 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *filename++ = '/'; 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while((de = readdir(dir))) { 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(de->d_name[0] == '.' && 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (de->d_name[1] == '\0' || 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (de->d_name[1] == '.' && de->d_name[2] == '\0'))) 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcpy(filename, de->d_name); 128693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown openDeviceLocked(devname); 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dir); 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 129293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::requestReopenDevices() { 129393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOGV("requestReopenDevices() called"); 129493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 129593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown AutoMutex _l(mLock); 129693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mNeedToReopenDevices = true; 12971a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown} 12981a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown 1299f2f487183052865d50c004a835360be1728b5a52Jeff Brownvoid EventHub::dump(String8& dump) { 1300f2f487183052865d50c004a835360be1728b5a52Jeff Brown dump.append("Event Hub State:\n"); 1301f2f487183052865d50c004a835360be1728b5a52Jeff Brown 1302f2f487183052865d50c004a835360be1728b5a52Jeff Brown { // acquire lock 1303f2f487183052865d50c004a835360be1728b5a52Jeff Brown AutoMutex _l(mLock); 1304f2f487183052865d50c004a835360be1728b5a52Jeff Brown 13059065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown dump.appendFormat(INDENT "BuiltInKeyboardId: %d\n", mBuiltInKeyboardId); 1306f2f487183052865d50c004a835360be1728b5a52Jeff Brown 1307f2f487183052865d50c004a835360be1728b5a52Jeff Brown dump.append(INDENT "Devices:\n"); 1308f2f487183052865d50c004a835360be1728b5a52Jeff Brown 130993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown for (size_t i = 0; i < mDevices.size(); i++) { 131093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown const Device* device = mDevices.valueAt(i); 131193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (mBuiltInKeyboardId == device->id) { 131293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT2 "%d: %s (aka device 0 - built-in keyboard)\n", 131393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->id, device->identifier.name.string()); 131493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else { 131593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT2 "%d: %s\n", device->id, 131693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->identifier.name.string()); 1317f2f487183052865d50c004a835360be1728b5a52Jeff Brown } 131893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "Classes: 0x%08x\n", device->classes); 131993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "Path: %s\n", device->path.string()); 132093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "Location: %s\n", device->identifier.location.string()); 132193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "UniqueId: %s\n", device->identifier.uniqueId.string()); 132293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "Identifier: bus=0x%04x, vendor=0x%04x, " 132393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown "product=0x%04x, version=0x%04x\n", 132493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->identifier.bus, device->identifier.vendor, 132593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->identifier.product, device->identifier.version); 132693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "KeyLayoutFile: %s\n", 132793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->keyMap.keyLayoutFile.string()); 132893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "KeyCharacterMapFile: %s\n", 132993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->keyMap.keyCharacterMapFile.string()); 133093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "ConfigurationFile: %s\n", 133193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->configurationFile.string()); 1332f2f487183052865d50c004a835360be1728b5a52Jeff Brown } 1333f2f487183052865d50c004a835360be1728b5a52Jeff Brown } // release lock 1334f2f487183052865d50c004a835360be1728b5a52Jeff Brown} 1335f2f487183052865d50c004a835360be1728b5a52Jeff Brown 133689ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brownvoid EventHub::monitor() { 133789ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brown // Acquire and release the lock to ensure that the event hub has not deadlocked. 133889ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brown mLock.lock(); 133989ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brown mLock.unlock(); 134089ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brown} 134189ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brown 134289ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brown 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; // namespace android 1344