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 1925a465bb44497682fde84935100e0acf4a0eb5dbJP Abgrall// #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 39b93a03f841d93498bfea6cc92a22faa34bce1337Mathias Agopian#include <androidfw/KeyLayoutMap.h> 40b93a03f841d93498bfea6cc92a22faa34bce1337Mathias Agopian#include <androidfw/KeyCharacterMap.h> 41b93a03f841d93498bfea6cc92a22faa34bce1337Mathias Agopian#include <androidfw/VirtualKeyMap.h> 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 43e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown#include <sha1.h> 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <string.h> 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdint.h> 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <dirent.h> 4793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 4893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown#include <sys/inotify.h> 4993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown#include <sys/epoll.h> 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/ioctl.h> 5193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown#include <sys/limits.h> 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* this macro is used to tell if "bit" is set in "array" 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * it selects a byte from the array, and does a boolean AND 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * operation with a byte that only has the relevant bit set. 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * eg. to check for the 12th bit, we do (array[1] & 1<<4) 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define test_bit(bit, array) (array[bit/8] & (1<<(bit%8))) 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown/* this macro computes the number of bytes needed to represent a bit array of the specified size */ 61fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown#define sizeof_bit_array(bits) ((bits + 7) / 8) 62fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 63f2f487183052865d50c004a835360be1728b5a52Jeff Brown#define INDENT " " 64f2f487183052865d50c004a835360be1728b5a52Jeff Brown#define INDENT2 " " 65f2f487183052865d50c004a835360be1728b5a52Jeff Brown#define INDENT3 " " 66f2f487183052865d50c004a835360be1728b5a52Jeff Brown 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char *WAKE_LOCK_ID = "KeyEvents"; 709065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownstatic const char *DEVICE_PATH = "/dev/input"; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* return the larger integer */ 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic inline int max(int v1, int v2) 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (v1 > v2) ? v1 : v2; 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 78f2f487183052865d50c004a835360be1728b5a52Jeff Brownstatic inline const char* toString(bool value) { 79f2f487183052865d50c004a835360be1728b5a52Jeff Brown return value ? "true" : "false"; 80f2f487183052865d50c004a835360be1728b5a52Jeff Brown} 81f2f487183052865d50c004a835360be1728b5a52Jeff Brown 82e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brownstatic String8 sha1(const String8& in) { 83e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown SHA1_CTX ctx; 84e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown SHA1Init(&ctx); 85e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown SHA1Update(&ctx, reinterpret_cast<const u_char*>(in.string()), in.size()); 86e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown u_char digest[SHA1_DIGEST_LENGTH]; 87e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown SHA1Final(digest, &ctx); 88e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown 89e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown String8 out; 90e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown for (size_t i = 0; i < SHA1_DIGEST_LENGTH; i++) { 91e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown out.appendFormat("%02x", digest[i]); 92e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown } 93e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown return out; 94e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown} 95e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown 969f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brownstatic void setDescriptor(InputDeviceIdentifier& identifier) { 979f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown // Compute a device descriptor that uniquely identifies the device. 989f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown // The descriptor is assumed to be a stable identifier. Its value should not 999f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown // change between reboots, reconnections, firmware updates or new releases of Android. 1009f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown // Ideally, we also want the descriptor to be short and relatively opaque. 1019f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown String8 rawDescriptor; 1029f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown rawDescriptor.appendFormat(":%04x:%04x:", identifier.vendor, identifier.product); 1039f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown if (!identifier.uniqueId.isEmpty()) { 1049f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown rawDescriptor.append("uniqueId:"); 1059f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown rawDescriptor.append(identifier.uniqueId); 1069f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown } if (identifier.vendor == 0 && identifier.product == 0) { 1079f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown // If we don't know the vendor and product id, then the device is probably 1089f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown // built-in so we need to rely on other information to uniquely identify 1099f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown // the input device. Usually we try to avoid relying on the device name or 1109f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown // location but for built-in input device, they are unlikely to ever change. 1119f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown if (!identifier.name.isEmpty()) { 1129f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown rawDescriptor.append("name:"); 1139f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown rawDescriptor.append(identifier.name); 1149f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown } else if (!identifier.location.isEmpty()) { 1159f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown rawDescriptor.append("location:"); 1169f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown rawDescriptor.append(identifier.location); 1179f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown } 1189f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown } 1199f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown identifier.descriptor = sha1(rawDescriptor); 12049ccac530b5a798e3c4a79b66b51b8546a0deed1Jeff Brown ALOGV("Created descriptor: raw=%s, cooked=%s", rawDescriptor.string(), 12149ccac530b5a798e3c4a79b66b51b8546a0deed1Jeff Brown identifier.descriptor.string()); 1229f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown} 1239f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown 1249ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown// --- Global Functions --- 1259ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown 1269ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brownuint32_t getAbsAxisUsage(int32_t axis, uint32_t deviceClasses) { 1279ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown // Touch devices get dibs on touch-related axes. 1289ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown if (deviceClasses & INPUT_DEVICE_CLASS_TOUCH) { 1299ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown switch (axis) { 1309ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_X: 1319ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_Y: 1329ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_PRESSURE: 1339ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_TOOL_WIDTH: 1349ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_DISTANCE: 1359ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_TILT_X: 1369ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_TILT_Y: 1379ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_SLOT: 1389ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_TOUCH_MAJOR: 1399ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_TOUCH_MINOR: 1409ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_WIDTH_MAJOR: 1419ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_WIDTH_MINOR: 1429ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_ORIENTATION: 1439ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_POSITION_X: 1449ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_POSITION_Y: 1459ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_TOOL_TYPE: 1469ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_BLOB_ID: 1479ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_TRACKING_ID: 1489ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_PRESSURE: 1499ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown case ABS_MT_DISTANCE: 1509ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown return INPUT_DEVICE_CLASS_TOUCH; 1519ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown } 1529ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown } 1539ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown 1549ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown // Joystick devices get the rest. 1559ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown return deviceClasses & INPUT_DEVICE_CLASS_JOYSTICK; 1569ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown} 1579ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown 1589065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown// --- EventHub::Device --- 1599065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 1609065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownEventHub::Device::Device(int fd, int32_t id, const String8& path, 1619065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown const InputDeviceIdentifier& identifier) : 1629065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown next(NULL), 1639065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown fd(fd), id(id), path(path), identifier(identifier), 164a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown classes(0), configuration(NULL), virtualKeyMap(NULL), 165a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown ffEffectPlaying(false), ffEffectId(-1) { 16693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown memset(keyBitmask, 0, sizeof(keyBitmask)); 16793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown memset(absBitmask, 0, sizeof(absBitmask)); 16893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown memset(relBitmask, 0, sizeof(relBitmask)); 16993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown memset(swBitmask, 0, sizeof(swBitmask)); 17093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown memset(ledBitmask, 0, sizeof(ledBitmask)); 171a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown memset(ffBitmask, 0, sizeof(ffBitmask)); 17293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown memset(propBitmask, 0, sizeof(propBitmask)); 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1759065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownEventHub::Device::~Device() { 1769065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown close(); 17747e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown delete configuration; 1789065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown delete virtualKeyMap; 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1819065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownvoid EventHub::Device::close() { 1829065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (fd >= 0) { 1839065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown ::close(fd); 1849065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown fd = -1; 1859065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 1869065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown} 1879065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 1889065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 1899065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown// --- EventHub --- 1909065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 19193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownconst uint32_t EventHub::EPOLL_ID_INOTIFY; 19293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownconst uint32_t EventHub::EPOLL_ID_WAKE; 19393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownconst int EventHub::EPOLL_SIZE_HINT; 19493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownconst int EventHub::EPOLL_MAX_EVENTS; 19593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 1969065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownEventHub::EventHub(void) : 1979f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown mBuiltInKeyboardId(NO_BUILT_IN_KEYBOARD), mNextDeviceId(1), 1989065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mOpeningDevices(0), mClosingDevices(0), 19993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mNeedToSendFinishedDeviceScan(false), 20093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mNeedToReopenDevices(false), mNeedToScanDevices(true), 20193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingEventCount(0), mPendingEventIndex(0), mPendingINotify(false) { 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID); 203b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 20493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mEpollFd = epoll_create(EPOLL_SIZE_HINT); 20593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(mEpollFd < 0, "Could not create epoll instance. errno=%d", errno); 20693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 20793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mINotifyFd = inotify_init(); 20893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown int result = inotify_add_watch(mINotifyFd, DEVICE_PATH, IN_DELETE | IN_CREATE); 20993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(result < 0, "Could not register INotify for %s. errno=%d", 21093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown DEVICE_PATH, errno); 21193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 21293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown struct epoll_event eventItem; 21393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown memset(&eventItem, 0, sizeof(eventItem)); 21493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.events = EPOLLIN; 21593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.data.u32 = EPOLL_ID_INOTIFY; 21693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown result = epoll_ctl(mEpollFd, EPOLL_CTL_ADD, mINotifyFd, &eventItem); 21793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(result != 0, "Could not add INotify to epoll instance. errno=%d", errno); 21893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 21993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown int wakeFds[2]; 22093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown result = pipe(wakeFds); 22193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(result != 0, "Could not create wake pipe. errno=%d", errno); 22293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 22393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mWakeReadPipeFd = wakeFds[0]; 22493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mWakeWritePipeFd = wakeFds[1]; 22593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 22693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown result = fcntl(mWakeReadPipeFd, F_SETFL, O_NONBLOCK); 22793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(result != 0, "Could not make wake read pipe non-blocking. errno=%d", 22893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown errno); 22993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 23093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown result = fcntl(mWakeWritePipeFd, F_SETFL, O_NONBLOCK); 23193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(result != 0, "Could not make wake write pipe non-blocking. errno=%d", 23293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown errno); 23393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 23493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.data.u32 = EPOLL_ID_WAKE; 23593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown result = epoll_ctl(mEpollFd, EPOLL_CTL_ADD, mWakeReadPipeFd, &eventItem); 23693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown LOG_ALWAYS_FATAL_IF(result != 0, "Could not add wake read pipe to epoll instance. errno=%d", 23793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown errno); 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2409065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownEventHub::~EventHub(void) { 24193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown closeAllDevicesLocked(); 24293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 24393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown while (mClosingDevices) { 24493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown Device* device = mClosingDevices; 24593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mClosingDevices = device->next; 24693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown delete device; 24793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ::close(mEpollFd); 25093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ::close(mINotifyFd); 25193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ::close(mWakeReadPipeFd); 25293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ::close(mWakeWritePipeFd); 25393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 25493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown release_wake_lock(WAKE_LOCK_ID); 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 257e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff BrownInputDeviceIdentifier EventHub::getDeviceIdentifier(int32_t deviceId) const { 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 2599065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 260e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown if (device == NULL) return InputDeviceIdentifier(); 261e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown return device->identifier; 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2649065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownuint32_t EventHub::getDeviceClasses(int32_t deviceId) const { 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 2669065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (device == NULL) return 0; 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return device->classes; 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27147e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brownvoid EventHub::getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const { 27247e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown AutoMutex _l(mLock); 2739065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 27447e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown if (device && device->configuration) { 27547e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown *outConfiguration = *device->configuration; 2761f2451007c660091b7b090c1ea332f9044515d2dJeff Brown } else { 2771f2451007c660091b7b090c1ea332f9044515d2dJeff Brown outConfiguration->clear(); 27847e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } 27947e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown} 28047e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown 2816d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownstatus_t EventHub::getAbsoluteAxisInfo(int32_t deviceId, int axis, 2826d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown RawAbsoluteAxisInfo* outAxisInfo) const { 2838d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown outAxisInfo->clear(); 2846d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 285ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (axis >= 0 && axis <= ABS_MAX) { 286ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown AutoMutex _l(mLock); 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 288ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown Device* device = getDeviceLocked(deviceId); 2899f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown if (device && !device->isVirtual() && test_bit(axis, device->absBitmask)) { 290ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown struct input_absinfo info; 291ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if(ioctl(device->fd, EVIOCGABS(axis), &info)) { 2928564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Error reading absolute controller %d for device %s fd %d, errno=%d", 293ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown axis, device->identifier.name.string(), device->fd, errno); 294ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return -errno; 295ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 2966d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 297ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (info.minimum != info.maximum) { 298ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outAxisInfo->valid = true; 299ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outAxisInfo->minValue = info.minimum; 300ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outAxisInfo->maxValue = info.maximum; 301ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outAxisInfo->flat = info.flat; 302ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outAxisInfo->fuzz = info.fuzz; 303ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outAxisInfo->resolution = info.resolution; 304ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 305ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return OK; 306ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 308ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return -1; 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 311cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brownbool EventHub::hasRelativeAxis(int32_t deviceId, int axis) const { 312cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown if (axis >= 0 && axis <= REL_MAX) { 313cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown AutoMutex _l(mLock); 314cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown 315cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown Device* device = getDeviceLocked(deviceId); 316ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device) { 317cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown return test_bit(axis, device->relBitmask); 318cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown } 319cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown } 320cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown return false; 321cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown} 322cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown 32380fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brownbool EventHub::hasInputProperty(int32_t deviceId, int property) const { 32480fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown if (property >= 0 && property <= INPUT_PROP_MAX) { 32580fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown AutoMutex _l(mLock); 32680fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown 32780fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown Device* device = getDeviceLocked(deviceId); 328ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device) { 32980fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown return test_bit(property, device->propBitmask); 33080fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown } 33180fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown } 33280fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown return false; 33380fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown} 33480fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown 3356d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownint32_t EventHub::getScanCodeState(int32_t deviceId, int32_t scanCode) const { 33646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown if (scanCode >= 0 && scanCode <= KEY_MAX) { 33746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown AutoMutex _l(mLock); 33846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 3399065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 3409f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown if (device && !device->isVirtual() && test_bit(scanCode, device->keyBitmask)) { 341ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown uint8_t keyState[sizeof_bit_array(KEY_MAX + 1)]; 342ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown memset(keyState, 0, sizeof(keyState)); 343ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (ioctl(device->fd, EVIOCGKEY(sizeof(keyState)), keyState) >= 0) { 344ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return test_bit(scanCode, keyState) ? AKEY_STATE_DOWN : AKEY_STATE_UP; 345ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 348c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return AKEY_STATE_UNKNOWN; 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3516d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownint32_t EventHub::getKeyCodeState(int32_t deviceId, int32_t keyCode) const { 3526d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AutoMutex _l(mLock); 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3549065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 3559f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown if (device && !device->isVirtual() && device->keyMap.haveKeyLayout()) { 356ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown Vector<int32_t> scanCodes; 357ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown device->keyMap.keyLayoutMap->findScanCodesForKey(keyCode, &scanCodes); 358ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (scanCodes.size() != 0) { 359ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown uint8_t keyState[sizeof_bit_array(KEY_MAX + 1)]; 360ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown memset(keyState, 0, sizeof(keyState)); 361ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (ioctl(device->fd, EVIOCGKEY(sizeof(keyState)), keyState) >= 0) { 362ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown for (size_t i = 0; i < scanCodes.size(); i++) { 363ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown int32_t sc = scanCodes.itemAt(i); 364ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, keyState)) { 365ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return AKEY_STATE_DOWN; 366ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 367ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 368ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return AKEY_STATE_UP; 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 372c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return AKEY_STATE_UNKNOWN; 37346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 37446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 3756d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownint32_t EventHub::getSwitchState(int32_t deviceId, int32_t sw) const { 37646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown if (sw >= 0 && sw <= SW_MAX) { 37746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown AutoMutex _l(mLock); 37846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 3799065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 3809f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown if (device && !device->isVirtual() && test_bit(sw, device->swBitmask)) { 381ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown uint8_t swState[sizeof_bit_array(SW_MAX + 1)]; 382ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown memset(swState, 0, sizeof(swState)); 383ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (ioctl(device->fd, EVIOCGSW(sizeof(swState)), swState) >= 0) { 384ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return test_bit(sw, swState) ? AKEY_STATE_DOWN : AKEY_STATE_UP; 385ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 38646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown } 38746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown } 388c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return AKEY_STATE_UNKNOWN; 38946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 39046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 3912717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brownstatus_t EventHub::getAbsoluteAxisValue(int32_t deviceId, int32_t axis, int32_t* outValue) const { 392063097545e6a273952463803d1a2fab2cb590d4eJeff Brown *outValue = 0; 393063097545e6a273952463803d1a2fab2cb590d4eJeff Brown 3942717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown if (axis >= 0 && axis <= ABS_MAX) { 3952717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown AutoMutex _l(mLock); 3962717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown 3972717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown Device* device = getDeviceLocked(deviceId); 3989f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown if (device && !device->isVirtual() && test_bit(axis, device->absBitmask)) { 399ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown struct input_absinfo info; 400ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if(ioctl(device->fd, EVIOCGABS(axis), &info)) { 4018564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Error reading absolute controller %d for device %s fd %d, errno=%d", 402ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown axis, device->identifier.name.string(), device->fd, errno); 403ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return -errno; 404ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 405ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown 406ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown *outValue = info.value; 407ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return OK; 4082717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown } 4092717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown } 4102717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown return -1; 4112717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown} 4122717eff2ac04bed60e5fd577bcb8ec1ea7c2ccdeJeff Brown 4136d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownbool EventHub::markSupportedKeyCodes(int32_t deviceId, size_t numCodes, 4146d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown const int32_t* keyCodes, uint8_t* outFlags) const { 4156d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AutoMutex _l(mLock); 4166d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 4179065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 418ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (device && device->keyMap.haveKeyLayout()) { 419ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown Vector<int32_t> scanCodes; 420ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown for (size_t codeIndex = 0; codeIndex < numCodes; codeIndex++) { 421ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown scanCodes.clear(); 422ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown 423ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown status_t err = device->keyMap.keyLayoutMap->findScanCodesForKey( 424ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown keyCodes[codeIndex], &scanCodes); 425ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (! err) { 426ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown // check the possible scan codes identified by the layout map against the 427ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown // map of codes actually emitted by the driver 428ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown for (size_t sc = 0; sc < scanCodes.size(); sc++) { 429ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown if (test_bit(scanCodes[sc], device->keyBitmask)) { 430ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown outFlags[codeIndex] = 1; 431ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown break; 432ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown } 4336d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 4346d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 4356d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 436ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return true; 4376d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 438ba421dddfd558b34726df5dfbf8a3bf748e285b1Jeff Brown return false; 4396d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown} 4406d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 44149ccac530b5a798e3c4a79b66b51b8546a0deed1Jeff Brownstatus_t EventHub::mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode, 44249ccac530b5a798e3c4a79b66b51b8546a0deed1Jeff Brown int32_t* outKeycode, uint32_t* outFlags) const { 443e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn AutoMutex _l(mLock); 4449065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 44549ccac530b5a798e3c4a79b66b51b8546a0deed1Jeff Brown 4464a3862f6b0a8971b6ab5b1c46735b28e7604d0dbJeff Brown if (device) { 4474a3862f6b0a8971b6ab5b1c46735b28e7604d0dbJeff Brown // Check the key character map first. 4484a3862f6b0a8971b6ab5b1c46735b28e7604d0dbJeff Brown sp<KeyCharacterMap> kcm = device->getKeyCharacterMap(); 4494a3862f6b0a8971b6ab5b1c46735b28e7604d0dbJeff Brown if (kcm != NULL) { 4504a3862f6b0a8971b6ab5b1c46735b28e7604d0dbJeff Brown if (!kcm->mapKey(scanCode, usageCode, outKeycode)) { 4514a3862f6b0a8971b6ab5b1c46735b28e7604d0dbJeff Brown *outFlags = 0; 4524a3862f6b0a8971b6ab5b1c46735b28e7604d0dbJeff Brown return NO_ERROR; 4534a3862f6b0a8971b6ab5b1c46735b28e7604d0dbJeff Brown } 4544a3862f6b0a8971b6ab5b1c46735b28e7604d0dbJeff Brown } 4554a3862f6b0a8971b6ab5b1c46735b28e7604d0dbJeff Brown 4564a3862f6b0a8971b6ab5b1c46735b28e7604d0dbJeff Brown // Check the key layout next. 4574a3862f6b0a8971b6ab5b1c46735b28e7604d0dbJeff Brown if (device->keyMap.haveKeyLayout()) { 4584a3862f6b0a8971b6ab5b1c46735b28e7604d0dbJeff Brown if (!device->keyMap.keyLayoutMap->mapKey( 4594a3862f6b0a8971b6ab5b1c46735b28e7604d0dbJeff Brown scanCode, usageCode, outKeycode, outFlags)) { 4604a3862f6b0a8971b6ab5b1c46735b28e7604d0dbJeff Brown return NO_ERROR; 4614a3862f6b0a8971b6ab5b1c46735b28e7604d0dbJeff Brown } 462e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn } 463e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn } 46449ccac530b5a798e3c4a79b66b51b8546a0deed1Jeff Brown 465e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn *outKeycode = 0; 466e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn *outFlags = 0; 467e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn return NAME_NOT_FOUND; 468e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn} 469e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn 47049ccac530b5a798e3c4a79b66b51b8546a0deed1Jeff Brownstatus_t EventHub::mapAxis(int32_t deviceId, int32_t scanCode, AxisInfo* outAxisInfo) const { 4716f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown AutoMutex _l(mLock); 4726f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown Device* device = getDeviceLocked(deviceId); 4736f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 4746f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (device && device->keyMap.haveKeyLayout()) { 47549ccac530b5a798e3c4a79b66b51b8546a0deed1Jeff Brown status_t err = device->keyMap.keyLayoutMap->mapAxis(scanCode, outAxisInfo); 4766f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (err == NO_ERROR) { 4776f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown return NO_ERROR; 4786f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 4796f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 4806f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 4816f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown return NAME_NOT_FOUND; 4826f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown} 4836f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 4841a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brownvoid EventHub::setExcludedDevices(const Vector<String8>& devices) { 485f2f487183052865d50c004a835360be1728b5a52Jeff Brown AutoMutex _l(mLock); 486f2f487183052865d50c004a835360be1728b5a52Jeff Brown 4871a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown mExcludedDevices = devices; 4881d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood} 4891d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 49049754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brownbool EventHub::hasScanCode(int32_t deviceId, int32_t scanCode) const { 49149754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown AutoMutex _l(mLock); 49249754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown Device* device = getDeviceLocked(deviceId); 49349754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown if (device && scanCode >= 0 && scanCode <= KEY_MAX) { 49449754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown if (test_bit(scanCode, device->keyBitmask)) { 49549754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown return true; 49649754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown } 49749754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown } 49849754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown return false; 49949754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown} 50049754db5a304d995c1cc108ff6f19e4ba4265572Jeff Brown 501497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brownbool EventHub::hasLed(int32_t deviceId, int32_t led) const { 502497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown AutoMutex _l(mLock); 5039065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 50493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (device && led >= 0 && led <= LED_MAX) { 50593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (test_bit(led, device->ledBitmask)) { 50693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown return true; 507497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 508497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 509497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown return false; 510497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 511497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 512497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brownvoid EventHub::setLedState(int32_t deviceId, int32_t led, bool on) { 513497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown AutoMutex _l(mLock); 5149065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 5159f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown if (device && !device->isVirtual() && led >= 0 && led <= LED_MAX) { 516497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown struct input_event ev; 517497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.time.tv_sec = 0; 518497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.time.tv_usec = 0; 519497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.type = EV_LED; 520497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.code = led; 521497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.value = on ? 1 : 0; 522497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 523497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ssize_t nWrite; 524497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown do { 525497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown nWrite = write(device->fd, &ev, sizeof(struct input_event)); 526497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } while (nWrite == -1 && errno == EINTR); 527497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 528497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 529497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 5309065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownvoid EventHub::getVirtualKeyDefinitions(int32_t deviceId, 5319065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Vector<VirtualKeyDefinition>& outVirtualKeys) const { 5329065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown outVirtualKeys.clear(); 5339065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 5349065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown AutoMutex _l(mLock); 5359065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 5369065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device && device->virtualKeyMap) { 5379065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown outVirtualKeys.appendVector(device->virtualKeyMap->getVirtualKeys()); 5389065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 5399065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown} 5409065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 5419f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brownsp<KeyCharacterMap> EventHub::getKeyCharacterMap(int32_t deviceId) const { 5421e08fe90df18930691b0c2ec22e5db25d7fcb4cfJeff Brown AutoMutex _l(mLock); 5431e08fe90df18930691b0c2ec22e5db25d7fcb4cfJeff Brown Device* device = getDeviceLocked(deviceId); 5441e08fe90df18930691b0c2ec22e5db25d7fcb4cfJeff Brown if (device) { 5454a3862f6b0a8971b6ab5b1c46735b28e7604d0dbJeff Brown return device->getKeyCharacterMap(); 5461e08fe90df18930691b0c2ec22e5db25d7fcb4cfJeff Brown } 5479f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown return NULL; 5481e08fe90df18930691b0c2ec22e5db25d7fcb4cfJeff Brown} 5491e08fe90df18930691b0c2ec22e5db25d7fcb4cfJeff Brown 5506ec6f79e1ac1714e3b837796e99f07ff88f66601Jeff Brownbool EventHub::setKeyboardLayoutOverlay(int32_t deviceId, 5516ec6f79e1ac1714e3b837796e99f07ff88f66601Jeff Brown const sp<KeyCharacterMap>& map) { 5526ec6f79e1ac1714e3b837796e99f07ff88f66601Jeff Brown AutoMutex _l(mLock); 5536ec6f79e1ac1714e3b837796e99f07ff88f66601Jeff Brown Device* device = getDeviceLocked(deviceId); 5546ec6f79e1ac1714e3b837796e99f07ff88f66601Jeff Brown if (device) { 5556ec6f79e1ac1714e3b837796e99f07ff88f66601Jeff Brown if (map != device->overlayKeyMap) { 5566ec6f79e1ac1714e3b837796e99f07ff88f66601Jeff Brown device->overlayKeyMap = map; 5576ec6f79e1ac1714e3b837796e99f07ff88f66601Jeff Brown device->combinedKeyMap = KeyCharacterMap::combine( 5586ec6f79e1ac1714e3b837796e99f07ff88f66601Jeff Brown device->keyMap.keyCharacterMap, map); 5596ec6f79e1ac1714e3b837796e99f07ff88f66601Jeff Brown return true; 5606ec6f79e1ac1714e3b837796e99f07ff88f66601Jeff Brown } 5616ec6f79e1ac1714e3b837796e99f07ff88f66601Jeff Brown } 5626ec6f79e1ac1714e3b837796e99f07ff88f66601Jeff Brown return false; 5636ec6f79e1ac1714e3b837796e99f07ff88f66601Jeff Brown} 5646ec6f79e1ac1714e3b837796e99f07ff88f66601Jeff Brown 565a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brownvoid EventHub::vibrate(int32_t deviceId, nsecs_t duration) { 566a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown AutoMutex _l(mLock); 567a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown Device* device = getDeviceLocked(deviceId); 568a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown if (device && !device->isVirtual()) { 569a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown ff_effect effect; 570a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown memset(&effect, 0, sizeof(effect)); 571a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown effect.type = FF_RUMBLE; 572a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown effect.id = device->ffEffectId; 573a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown effect.u.rumble.strong_magnitude = 0xc000; 574a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown effect.u.rumble.weak_magnitude = 0xc000; 575a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown effect.replay.length = (duration + 999999LL) / 1000000LL; 576a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown effect.replay.delay = 0; 577a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown if (ioctl(device->fd, EVIOCSFF, &effect)) { 578a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown ALOGW("Could not upload force feedback effect to device %s due to error %d.", 579a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown device->identifier.name.string(), errno); 580a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown return; 581a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown } 582a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown device->ffEffectId = effect.id; 583a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown 584a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown struct input_event ev; 585a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown ev.time.tv_sec = 0; 586a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown ev.time.tv_usec = 0; 587a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown ev.type = EV_FF; 588a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown ev.code = device->ffEffectId; 589a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown ev.value = 1; 590a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown if (write(device->fd, &ev, sizeof(ev)) != sizeof(ev)) { 591a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown ALOGW("Could not start force feedback effect on device %s due to error %d.", 592a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown device->identifier.name.string(), errno); 593a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown return; 594a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown } 595a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown device->ffEffectPlaying = true; 596a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown } 597a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown} 598a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown 599a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brownvoid EventHub::cancelVibrate(int32_t deviceId) { 600a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown AutoMutex _l(mLock); 601a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown Device* device = getDeviceLocked(deviceId); 602a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown if (device && !device->isVirtual()) { 603a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown if (device->ffEffectPlaying) { 604a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown device->ffEffectPlaying = false; 605a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown 606a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown struct input_event ev; 607a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown ev.time.tv_sec = 0; 608a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown ev.time.tv_usec = 0; 609a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown ev.type = EV_FF; 610a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown ev.code = device->ffEffectId; 611a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown ev.value = 0; 612a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown if (write(device->fd, &ev, sizeof(ev)) != sizeof(ev)) { 613a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown ALOGW("Could not stop force feedback effect on device %s due to error %d.", 614a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown device->identifier.name.string(), errno); 615a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown return; 616a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown } 617a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown } 618a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown } 619a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown} 620a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown 6219065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownEventHub::Device* EventHub::getDeviceLocked(int32_t deviceId) const { 6229f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown if (deviceId == BUILT_IN_KEYBOARD_ID) { 6239065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown deviceId = mBuiltInKeyboardId; 6249065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 62593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ssize_t index = mDevices.indexOfKey(deviceId); 62693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown return index >= 0 ? mDevices.valueAt(index) : NULL; 62793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown} 6289065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 62993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff BrownEventHub::Device* EventHub::getDeviceByPathLocked(const char* devicePath) const { 63093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown for (size_t i = 0; i < mDevices.size(); i++) { 63193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown Device* device = mDevices.valueAt(i); 63293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (device->path == devicePath) { 6339065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return device; 6349065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brownsize_t EventHub::getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize) { 640ec193dec4d9ca2cfc8295c4becfe950a906a15edSteve Block ALOG_ASSERT(bufferSize >= 1); 6411d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 64293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown AutoMutex _l(mLock); 6431d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 644b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown struct input_event readBuffer[bufferSize]; 645b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 646b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown RawEvent* event = buffer; 647b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown size_t capacity = bufferSize; 64893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown bool awoken = false; 649cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown for (;;) { 650b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC); 651b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 6521a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown // Reopen input devices if needed. 65393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (mNeedToReopenDevices) { 65493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mNeedToReopenDevices = false; 6551a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown 6566215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI("Reopening all input devices due to a configuration change."); 6571a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown 65893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown closeAllDevicesLocked(); 6591a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown mNeedToScanDevices = true; 6601a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown break; // return to the caller before we actually rescan 6611a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown } 6621a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown 663cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Report any devices that had last been added/removed. 664b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown while (mClosingDevices) { 6659065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = mClosingDevices; 66671f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Reporting device closed: id=%d, name=%s\n", 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project device->id, device->path.string()); 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mClosingDevices = device->next; 669b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->when = now; 6709f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown event->deviceId = device->id == mBuiltInKeyboardId ? BUILT_IN_KEYBOARD_ID : device->id; 671b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->type = DEVICE_REMOVED; 672b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event += 1; 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete device; 6747342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown mNeedToSendFinishedDeviceScan = true; 675b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown if (--capacity == 0) { 676b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown break; 677b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6796d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 6801a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown if (mNeedToScanDevices) { 6811a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown mNeedToScanDevices = false; 68293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown scanDevicesLocked(); 6831a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown mNeedToSendFinishedDeviceScan = true; 6841a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown } 6851a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown 686b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown while (mOpeningDevices != NULL) { 6879065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = mOpeningDevices; 68871f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Reporting device opened: id=%d, name=%s\n", 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project device->id, device->path.string()); 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOpeningDevices = device->next; 691b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->when = now; 692b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id; 693b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->type = DEVICE_ADDED; 694b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event += 1; 6957342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown mNeedToSendFinishedDeviceScan = true; 696b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown if (--capacity == 0) { 697b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown break; 698b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 6997342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown } 7007342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown 7017342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown if (mNeedToSendFinishedDeviceScan) { 7027342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown mNeedToSendFinishedDeviceScan = false; 703b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->when = now; 704b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->type = FINISHED_DEVICE_SCAN; 705b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event += 1; 706b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown if (--capacity == 0) { 707b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown break; 708b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 711cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Grab the next input event. 71293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown bool deviceChanged = false; 71393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown while (mPendingEventIndex < mPendingEventCount) { 71493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown const struct epoll_event& eventItem = mPendingEventItems[mPendingEventIndex++]; 71593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (eventItem.data.u32 == EPOLL_ID_INOTIFY) { 71693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (eventItem.events & EPOLLIN) { 71793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingINotify = true; 71893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else { 7198564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Received unexpected epoll event 0x%08x for INotify.", eventItem.events); 72093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 72193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown continue; 72293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 72393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 72493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (eventItem.data.u32 == EPOLL_ID_WAKE) { 72593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (eventItem.events & EPOLLIN) { 72671f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("awoken after wake()"); 72793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown awoken = true; 72893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown char buffer[16]; 72993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ssize_t nRead; 73093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown do { 73193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown nRead = read(mWakeReadPipeFd, buffer, sizeof(buffer)); 73293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } while ((nRead == -1 && errno == EINTR) || nRead == sizeof(buffer)); 73393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else { 7348564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Received unexpected epoll event 0x%08x for wake read pipe.", 73593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.events); 73693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 73793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown continue; 73893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 73993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 74093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ssize_t deviceIndex = mDevices.indexOfKey(eventItem.data.u32); 74193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (deviceIndex < 0) { 7428564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Received unexpected epoll event 0x%08x for unknown device id %d.", 74393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.events, eventItem.data.u32); 74493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown continue; 74593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 74693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 74793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown Device* device = mDevices.valueAt(deviceIndex); 74893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (eventItem.events & EPOLLIN) { 74993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown int32_t readSize = read(device->fd, readBuffer, 75093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown sizeof(struct input_event) * capacity); 75193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (readSize == 0 || (readSize < 0 && errno == ENODEV)) { 75293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Device was removed before INotify noticed. 7534130554b452a8462a83f97051240f1aec8590650Jeff Brown ALOGW("could not get event, removed? (fd: %d size: %d bufferSize: %d " 7544130554b452a8462a83f97051240f1aec8590650Jeff Brown "capacity: %d errno: %d)\n", 7554130554b452a8462a83f97051240f1aec8590650Jeff Brown device->fd, readSize, bufferSize, capacity, errno); 75693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown deviceChanged = true; 75793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown closeDeviceLocked(device); 75893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else if (readSize < 0) { 759cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (errno != EAGAIN && errno != EINTR) { 7608564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("could not get event (errno=%d)", errno); 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 762cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } else if ((readSize % sizeof(struct input_event)) != 0) { 7633762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("could not get event (wrong size: %d)", readSize); 764cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } else { 765b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown int32_t deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id; 766b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 767b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown size_t count = size_t(readSize) / sizeof(struct input_event); 768b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown for (size_t i = 0; i < count; i++) { 769b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown const struct input_event& iev = readBuffer[i]; 77025a465bb44497682fde84935100e0acf4a0eb5dbJP Abgrall ALOGV("%s got: t0=%d, t1=%d, type=%d, code=%d, value=%d", 77125a465bb44497682fde84935100e0acf4a0eb5dbJP Abgrall device->path.string(), 77225a465bb44497682fde84935100e0acf4a0eb5dbJP Abgrall (int) iev.time.tv_sec, (int) iev.time.tv_usec, 77325a465bb44497682fde84935100e0acf4a0eb5dbJP Abgrall iev.type, iev.code, iev.value); 77425a465bb44497682fde84935100e0acf4a0eb5dbJP Abgrall 7754e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown#ifdef HAVE_POSIX_CLOCKS 7764e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // Use the time specified in the event instead of the current time 7774e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // so that downstream code can get more accurate estimates of 7784e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // event dispatch latency from the time the event is enqueued onto 7794e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // the evdev client buffer. 7804e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // 7814e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // The event's timestamp fortuitously uses the same monotonic clock 7824e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // time base as the rest of Android. The kernel event device driver 7834e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // (drivers/input/evdev.c) obtains timestamps using ktime_get_ts(). 7844e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // The systemTime(SYSTEM_TIME_MONOTONIC) function we use everywhere 7854e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // calls clock_gettime(CLOCK_MONOTONIC) which is implemented as a 7864e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown // system call that also queries ktime_get_ts(). 7874e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown event->when = nsecs_t(iev.time.tv_sec) * 1000000000LL 7884e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown + nsecs_t(iev.time.tv_usec) * 1000LL; 78925a465bb44497682fde84935100e0acf4a0eb5dbJP Abgrall ALOGV("event time %lld, now %lld", event->when, now); 790f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown 791f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown // Bug 7291243: Add a guard in case the kernel generates timestamps 792f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown // that appear to be far into the future because they were generated 793f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown // using the wrong clock source. 794f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown // 795f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown // This can happen because when the input device is initially opened 796f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown // it has a default clock source of CLOCK_REALTIME. Any input events 797f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown // enqueued right after the device is opened will have timestamps 798f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown // generated using CLOCK_REALTIME. We later set the clock source 799f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown // to CLOCK_MONOTONIC but it is already too late. 800f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown // 801f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown // Invalid input event timestamps can result in ANRs, crashes and 802f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown // and other issues that are hard to track down. We must not let them 803f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown // propagate through the system. 804f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown // 805f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown // Log a warning so that we notice the problem and recover gracefully. 806f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown if (event->when >= now + 10 * 1000000000LL) { 807f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown // Double-check. Time may have moved on. 808f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown nsecs_t time = systemTime(SYSTEM_TIME_MONOTONIC); 809f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown if (event->when > time) { 810f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown ALOGW("An input event from %s has a timestamp that appears to " 811f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown "have been generated using the wrong clock source " 812f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown "(expected CLOCK_MONOTONIC): " 813f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown "event time %lld, current time %lld, call time %lld. " 814f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown "Using current time instead.", 815f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown device->path.string(), event->when, time, now); 816f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown event->when = time; 817f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown } else { 818f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown ALOGV("Event time is ok but failed the fast path and required " 819f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown "an extra call to systemTime: " 820f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown "event time %lld, current time %lld, call time %lld.", 821f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown event->when, time, now); 822f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown } 823f33b2b2b2483fa824c650b281159ca62e1d0123aJeff Brown } 8244e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown#else 825b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->when = now; 8264e91a180be46c0c7c3bf398d4df4cbe2404216b5Jeff Brown#endif 827b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->deviceId = deviceId; 828b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->type = iev.type; 82949ccac530b5a798e3c4a79b66b51b8546a0deed1Jeff Brown event->code = iev.code; 830b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event->value = iev.value; 831b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown event += 1; 832b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 833b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown capacity -= count; 834b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown if (capacity == 0) { 83593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // The result buffer is full. Reset the pending event index 83693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // so we will try to read the device again on the next iteration. 83793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingEventIndex -= 1; 838b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown break; 839b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 841af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown } else if (eventItem.events & EPOLLHUP) { 842af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown ALOGI("Removing device %s due to epoll hang-up event.", 843af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown device->identifier.name.string()); 844af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown deviceChanged = true; 845af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown closeDeviceLocked(device); 84693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else { 8478564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Received unexpected epoll event 0x%08x for device %s.", 84893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.events, device->identifier.name.string()); 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 851cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 85293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // readNotify() will modify the list of devices so this must be done after 85393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // processing all other events to ensure that we read all remaining events 85493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // before closing the devices. 85593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (mPendingINotify && mPendingEventIndex >= mPendingEventCount) { 85693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingINotify = false; 85793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown readNotifyLocked(); 85893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown deviceChanged = true; 85933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 86033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 86193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Report added or removed devices immediately. 86293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (deviceChanged) { 86393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown continue; 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 865a9b84229a3e9e0ae15e3e964985fac2314247be2Jeff Brown 86693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Return now if we have collected any events or if we were explicitly awoken. 86793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (event != buffer || awoken) { 868b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown break; 869b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } 870b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 871cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Poll for events. Mind the wake lock dance! 87293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // We hold a wake lock at all times except during epoll_wait(). This works due to some 873cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // subtle choreography. When a device driver has pending (unread) events, it acquires 874cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // a kernel wake lock. However, once the last pending event has been read, the device 875cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // driver will release the kernel wake lock. To prevent the system from going to sleep 876cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // when this happens, the EventHub holds onto its own user wake lock while the client 877cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // is processing events. Thus the system can only sleep if there are no events 878cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // pending or currently being processed. 879aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown // 880aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown // The timeout is advisory only. If the device is asleep, it will not wake just to 881aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown // service the timeout. 88293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingEventIndex = 0; 88393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 88493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mLock.unlock(); // release lock before poll, must be before release_wake_lock 885cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown release_wake_lock(WAKE_LOCK_ID); 886cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 88793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown int pollResult = epoll_wait(mEpollFd, mPendingEventItems, EPOLL_MAX_EVENTS, timeoutMillis); 888cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 889cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID); 89093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mLock.lock(); // reacquire lock after poll, must be after acquire_wake_lock 891cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 892aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown if (pollResult == 0) { 89393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Timed out. 89493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingEventCount = 0; 89593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown break; 896aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown } 89793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 898aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown if (pollResult < 0) { 89993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // An error occurred. 90093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingEventCount = 0; 90193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 902b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown // Sleep after errors to avoid locking up the system. 903b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown // Hopefully the error is transient. 904cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (errno != EINTR) { 9058564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("poll failed (errno=%d)\n", errno); 906cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown usleep(100000); 907cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 908b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown } else { 90993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Some events occurred. 91093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mPendingEventCount = size_t(pollResult); 911cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 913b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown 914b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown // All done, return the number of events we read. 915b7198743ab3976b30d4655c1e065ca33e372b6afJeff Brown return event - buffer; 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 91893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::wake() { 91971f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("wake() called"); 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 92193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ssize_t nWrite; 92293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown do { 92393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown nWrite = write(mWakeWritePipeFd, "W", 1); 92493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } while (nWrite == -1 && errno == EINTR); 92593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 92693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (nWrite != 1 && errno != EAGAIN) { 9278564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Could not write wake signal, errno=%d", errno); 92893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 9291a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown} 9309065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 93193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::scanDevicesLocked() { 93293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown status_t res = scanDirLocked(DEVICE_PATH); 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(res < 0) { 9343762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("scan dir failed for %s\n", DEVICE_PATH); 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9369f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown if (mDevices.indexOfKey(VIRTUAL_KEYBOARD_ID) < 0) { 9379f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown createVirtualKeyboardLocked(); 9389f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown } 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 943fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brownstatic bool containsNonZeroByte(const uint8_t* array, uint32_t startIndex, uint32_t endIndex) { 944fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown const uint8_t* end = array + endIndex; 945fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown array += startIndex; 946fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown while (array != end) { 947fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown if (*(array++) != 0) { 948fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown return true; 949fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 950fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 951fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown return false; 952fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown} 953fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 954fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brownstatic const int32_t GAMEPAD_KEYCODES[] = { 955fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_A, AKEYCODE_BUTTON_B, AKEYCODE_BUTTON_C, 956fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_X, AKEYCODE_BUTTON_Y, AKEYCODE_BUTTON_Z, 957fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_L1, AKEYCODE_BUTTON_R1, 958fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_L2, AKEYCODE_BUTTON_R2, 959fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_THUMBL, AKEYCODE_BUTTON_THUMBR, 960cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_START, AKEYCODE_BUTTON_SELECT, AKEYCODE_BUTTON_MODE, 961cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_1, AKEYCODE_BUTTON_2, AKEYCODE_BUTTON_3, AKEYCODE_BUTTON_4, 962cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_5, AKEYCODE_BUTTON_6, AKEYCODE_BUTTON_7, AKEYCODE_BUTTON_8, 963cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_9, AKEYCODE_BUTTON_10, AKEYCODE_BUTTON_11, AKEYCODE_BUTTON_12, 964cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_13, AKEYCODE_BUTTON_14, AKEYCODE_BUTTON_15, AKEYCODE_BUTTON_16, 965fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown}; 966fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 96793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownstatus_t EventHub::openDeviceLocked(const char *devicePath) { 9689065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown char buffer[80]; 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 97071f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Opening device: %s", devicePath); 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 972874c1e9aa598b45e7114a69ecb4194c167a8b39dJeff Brown int fd = open(devicePath, O_RDWR | O_CLOEXEC); 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(fd < 0) { 9743762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("could not open %s, %s\n", devicePath, strerror(errno)); 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9789065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown InputDeviceIdentifier identifier; 9799065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 9809065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device name. 9819065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGNAME(sizeof(buffer) - 1), &buffer) < 1) { 9829065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown //fprintf(stderr, "could not get device name for %s, %s\n", devicePath, strerror(errno)); 9839065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } else { 9849065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown buffer[sizeof(buffer) - 1] = '\0'; 9859065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.name.setTo(buffer); 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9889065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Check to see if the device is on our excluded list 9891a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown for (size_t i = 0; i < mExcludedDevices.size(); i++) { 9901a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown const String8& item = mExcludedDevices.itemAt(i); 9911a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown if (identifier.name == item) { 9926215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI("ignoring event id %s driver %s\n", devicePath, item.string()); 9931d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood close(fd); 9941d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood return -1; 9951d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood } 9961d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood } 9971d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 9989065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device driver version. 9999065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int driverVersion; 10009065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGVERSION, &driverVersion)) { 10013762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("could not get driver version for %s, %s\n", devicePath, strerror(errno)); 1002cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown close(fd); 1003cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown return -1; 1004cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 1005cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 10069065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device identifier. 10079065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown struct input_id inputId; 10089065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGID, &inputId)) { 10093762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("could not get device input id for %s, %s\n", devicePath, strerror(errno)); 10109065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown close(fd); 10119065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return -1; 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10139065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.bus = inputId.bustype; 10149065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.product = inputId.product; 10159065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.vendor = inputId.vendor; 10169065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.version = inputId.version; 10179065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 10189065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device physical location. 10199065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGPHYS(sizeof(buffer) - 1), &buffer) < 1) { 10209065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown //fprintf(stderr, "could not get location for %s, %s\n", devicePath, strerror(errno)); 10219065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } else { 10229065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown buffer[sizeof(buffer) - 1] = '\0'; 10239065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.location.setTo(buffer); 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10269065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device unique id. 10279065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGUNIQ(sizeof(buffer) - 1), &buffer) < 1) { 10289065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown //fprintf(stderr, "could not get idstring for %s, %s\n", devicePath, strerror(errno)); 10299065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } else { 10309065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown buffer[sizeof(buffer) - 1] = '\0'; 10319065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.uniqueId.setTo(buffer); 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10349f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown // Fill in the descriptor. 10359f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown setDescriptor(identifier); 1036e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown 10379065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Make file descriptor non-blocking for use with poll(). 10389065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (fcntl(fd, F_SETFL, O_NONBLOCK)) { 10393762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error %d making device file descriptor non-blocking.", errno); 10409065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown close(fd); 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10439065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 10449065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Allocate device. (The device object takes ownership of the fd at this point.) 10459065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int32_t deviceId = mNextDeviceId++; 10469065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = new Device(fd, deviceId, String8(devicePath), identifier); 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1048e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown ALOGV("add device %d: %s\n", deviceId, devicePath); 1049e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown ALOGV(" bus: %04x\n" 1050e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown " vendor %04x\n" 1051e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown " product %04x\n" 1052e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown " version %04x\n", 10539065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.bus, identifier.vendor, identifier.product, identifier.version); 1054e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown ALOGV(" name: \"%s\"\n", identifier.name.string()); 1055e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown ALOGV(" location: \"%s\"\n", identifier.location.string()); 1056e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown ALOGV(" unique id: \"%s\"\n", identifier.uniqueId.string()); 105749ccac530b5a798e3c4a79b66b51b8546a0deed1Jeff Brown ALOGV(" descriptor: \"%s\"\n", identifier.descriptor.string()); 1058e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown ALOGV(" driver: v%d.%d.%d\n", 10599065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown driverVersion >> 16, (driverVersion >> 8) & 0xff, driverVersion & 0xff); 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 106147e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown // Load the configuration file for the device. 106293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown loadConfigurationLocked(device); 106347e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown 1064fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // Figure out the kinds of events the device reports. 106593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(device->keyBitmask)), device->keyBitmask); 106693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(device->absBitmask)), device->absBitmask); 106793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ioctl(fd, EVIOCGBIT(EV_REL, sizeof(device->relBitmask)), device->relBitmask); 106893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ioctl(fd, EVIOCGBIT(EV_SW, sizeof(device->swBitmask)), device->swBitmask); 106993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ioctl(fd, EVIOCGBIT(EV_LED, sizeof(device->ledBitmask)), device->ledBitmask); 1070a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown ioctl(fd, EVIOCGBIT(EV_FF, sizeof(device->ffBitmask)), device->ffBitmask); 107193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown ioctl(fd, EVIOCGPROP(sizeof(device->propBitmask)), device->propBitmask); 107280fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown 10736f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // See if this is a keyboard. Ignore everything in the button range except for 10746f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // joystick and gamepad buttons which are handled like keyboards for the most part. 107593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown bool haveKeyboardKeys = containsNonZeroByte(device->keyBitmask, 0, sizeof_bit_array(BTN_MISC)) 107693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown || containsNonZeroByte(device->keyBitmask, sizeof_bit_array(KEY_OK), 10776f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown sizeof_bit_array(KEY_MAX + 1)); 107893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown bool haveGamepadButtons = containsNonZeroByte(device->keyBitmask, sizeof_bit_array(BTN_MISC), 10799e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown sizeof_bit_array(BTN_MOUSE)) 108093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown || containsNonZeroByte(device->keyBitmask, sizeof_bit_array(BTN_JOYSTICK), 10819e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown sizeof_bit_array(BTN_DIGI)); 10826f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (haveKeyboardKeys || haveGamepadButtons) { 10836f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->classes |= INPUT_DEVICE_CLASS_KEYBOARD; 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10856f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 108683c09685f2e62bc3cf7e71bc61d903f4b9ccaeb4Jeff Brown // See if this is a cursor device such as a trackball or mouse. 108793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (test_bit(BTN_MOUSE, device->keyBitmask) 108893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown && test_bit(REL_X, device->relBitmask) 108993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown && test_bit(REL_Y, device->relBitmask)) { 10906f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->classes |= INPUT_DEVICE_CLASS_CURSOR; 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1092fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 1093fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // See if this is a touch pad. 10946f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // Is this a new modern multi-touch driver? 109593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (test_bit(ABS_MT_POSITION_X, device->absBitmask) 109693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown && test_bit(ABS_MT_POSITION_Y, device->absBitmask)) { 10976f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // Some joysticks such as the PS3 controller report axes that conflict 10986f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // with the ABS_MT range. Try to confirm that the device really is 10996f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // a touch screen. 110093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (test_bit(BTN_TOUCH, device->keyBitmask) || !haveGamepadButtons) { 110158a2da843f2f22f406df8df1f011738eb8b7fcb1Jeff Brown device->classes |= INPUT_DEVICE_CLASS_TOUCH | INPUT_DEVICE_CLASS_TOUCH_MT; 1102fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 11036f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // Is this an old style single-touch driver? 110493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else if (test_bit(BTN_TOUCH, device->keyBitmask) 110593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown && test_bit(ABS_X, device->absBitmask) 110693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown && test_bit(ABS_Y, device->absBitmask)) { 11076f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->classes |= INPUT_DEVICE_CLASS_TOUCH; 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11109e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown // See if this device is a joystick. 11119e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown // Assumes that joysticks always have gamepad buttons in order to distinguish them 11129e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown // from other devices such as accelerometers that also have absolute axes. 11139ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown if (haveGamepadButtons) { 11149ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown uint32_t assumedClasses = device->classes | INPUT_DEVICE_CLASS_JOYSTICK; 11159ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown for (int i = 0; i <= ABS_MAX; i++) { 11169ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown if (test_bit(i, device->absBitmask) 11179ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown && (getAbsAxisUsage(i, assumedClasses) & INPUT_DEVICE_CLASS_JOYSTICK)) { 11189ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown device->classes = assumedClasses; 11199ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown break; 11209ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown } 11219ee285afe740ff13d176c9d8430979dfd9575a23Jeff Brown } 11229e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown } 11239e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown 112493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Check whether this device has switches. 112593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown for (int i = 0; i <= SW_MAX; i++) { 112693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (test_bit(i, device->swBitmask)) { 112793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->classes |= INPUT_DEVICE_CLASS_SWITCH; 112893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown break; 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1132a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown // Check whether this device supports the vibrator. 1133a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown if (test_bit(FF_RUMBLE, device->ffBitmask)) { 1134a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown device->classes |= INPUT_DEVICE_CLASS_VIBRATOR; 1135a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown } 1136a47425a13c19f95057df78b8bb65bb25657e8753Jeff Brown 113793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Configure virtual keys. 113858a2da843f2f22f406df8df1f011738eb8b7fcb1Jeff Brown if ((device->classes & INPUT_DEVICE_CLASS_TOUCH)) { 11399065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Load the virtual keys for the touch screen, if any. 11409065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // We do this now so that we can make sure to load the keymap if necessary. 114193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown status_t status = loadVirtualKeyMapLocked(device); 11429065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (!status) { 11439065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->classes |= INPUT_DEVICE_CLASS_KEYBOARD; 1144497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 11459065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 11469065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 11479e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown // Load the key map. 11489e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown // We need to do this for joysticks too because the key layout may specify axes. 11499e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown status_t keyMapStatus = NAME_NOT_FOUND; 11509e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown if (device->classes & (INPUT_DEVICE_CLASS_KEYBOARD | INPUT_DEVICE_CLASS_JOYSTICK)) { 11519065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Load the keymap for the device. 115293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown keyMapStatus = loadKeyMapLocked(device); 11539e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown } 11549065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 11559e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown // Configure the keyboard, gamepad or virtual keyboard. 11569e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown if (device->classes & INPUT_DEVICE_CLASS_KEYBOARD) { 11579065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Register the keyboard as a built-in keyboard if it is eligible. 11589e8e40cb5f8aeb0702002eee60d1ce394bf699eeJeff Brown if (!keyMapStatus 11599f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown && mBuiltInKeyboardId == NO_BUILT_IN_KEYBOARD 11609065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown && isEligibleBuiltInKeyboard(device->identifier, 11619065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->configuration, &device->keyMap)) { 11629065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mBuiltInKeyboardId = device->id; 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11650dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn // 'Q' key support = cheap test of whether this is an alpha-capable kbd 1166f2f487183052865d50c004a835360be1728b5a52Jeff Brown if (hasKeycodeLocked(device, AKEYCODE_Q)) { 116746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown device->classes |= INPUT_DEVICE_CLASS_ALPHAKEY; 11680dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 1169497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 1170fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // See if this device has a DPAD. 1171f2f487183052865d50c004a835360be1728b5a52Jeff Brown if (hasKeycodeLocked(device, AKEYCODE_DPAD_UP) && 1172f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_DOWN) && 1173f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_LEFT) && 1174f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_RIGHT) && 1175f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_CENTER)) { 117646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown device->classes |= INPUT_DEVICE_CLASS_DPAD; 11770dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 1178497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 1179fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // See if this device has a gamepad. 11801d79a9d9f85f932a1fd6dcddba335450b65ba4e6Kenny Root for (size_t i = 0; i < sizeof(GAMEPAD_KEYCODES)/sizeof(GAMEPAD_KEYCODES[0]); i++) { 1181f2f487183052865d50c004a835360be1728b5a52Jeff Brown if (hasKeycodeLocked(device, GAMEPAD_KEYCODES[i])) { 1182fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown device->classes |= INPUT_DEVICE_CLASS_GAMEPAD; 1183fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown break; 1184fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 1185fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1188aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil // If the device isn't recognized as something we handle, don't monitor it. 1189aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil if (device->classes == 0) { 119071f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Dropping device: id=%d, path='%s', name='%s'", 11919065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown deviceId, devicePath, device->identifier.name.string()); 1192aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil delete device; 1193aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil return -1; 1194aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil } 1195aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil 119656194ebec6212e229f4ccdaa4b187166d20013efJeff Brown // Determine whether the device is external or internal. 119793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (isExternalDeviceLocked(device)) { 119856194ebec6212e229f4ccdaa4b187166d20013efJeff Brown device->classes |= INPUT_DEVICE_CLASS_EXTERNAL; 119956194ebec6212e229f4ccdaa4b187166d20013efJeff Brown } 120056194ebec6212e229f4ccdaa4b187166d20013efJeff Brown 120193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown // Register with epoll. 120293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown struct epoll_event eventItem; 120393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown memset(&eventItem, 0, sizeof(eventItem)); 120493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.events = EPOLLIN; 120593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown eventItem.data.u32 = deviceId; 120693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (epoll_ctl(mEpollFd, EPOLL_CTL_ADD, fd, &eventItem)) { 12073762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Could not add device fd to epoll instance. errno=%d", errno); 120893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown delete device; 120993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown return -1; 121093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 121193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 1212e22afbedc1a71905d112d8cf78ca8c2a27e371feJeff Brown // Enable wake-lock behavior on kernels that support it. 1213e22afbedc1a71905d112d8cf78ca8c2a27e371feJeff Brown // TODO: Only need this for devices that can really wake the system. 1214eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown bool usingSuspendBlockIoctl = !ioctl(fd, EVIOCSSUSPENDBLOCK, 1); 1215eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown 1216eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown // Tell the kernel that we want to use the monotonic clock for reporting timestamps 1217eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown // associated with input events. This is important because the input system 1218eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown // uses the timestamps extensively and assumes they were recorded using the monotonic 1219eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown // clock. 1220eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown // 1221eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown // In older kernel, before Linux 3.4, there was no way to tell the kernel which 1222eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown // clock to use to input event timestamps. The standard kernel behavior was to 1223eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown // record a real time timestamp, which isn't what we want. Android kernels therefore 1224eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown // contained a patch to the evdev_event() function in drivers/input/evdev.c to 1225eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown // replace the call to do_gettimeofday() with ktime_get_ts() to cause the monotonic 1226eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown // clock to be used instead of the real time clock. 1227eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown // 1228eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown // As of Linux 3.4, there is a new EVIOCSCLOCKID ioctl to set the desired clock. 1229eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown // Therefore, we no longer require the Android-specific kernel patch described above 1230eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown // as long as we make sure to set select the monotonic clock. We do that here. 1231a75fe05b6e0728ada82cd18dc3ac1ae3a61a10fbJeff Brown int clockId = CLOCK_MONOTONIC; 1232a75fe05b6e0728ada82cd18dc3ac1ae3a61a10fbJeff Brown bool usingClockIoctl = !ioctl(fd, EVIOCSCLOCKID, &clockId); 1233e22afbedc1a71905d112d8cf78ca8c2a27e371feJeff Brown 12346215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI("New device: id=%d, fd=%d, path='%s', name='%s', classes=0x%x, " 1235e22afbedc1a71905d112d8cf78ca8c2a27e371feJeff Brown "configuration='%s', keyLayout='%s', keyCharacterMap='%s', builtinKeyboard=%s, " 1236eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown "usingSuspendBlockIoctl=%s, usingClockIoctl=%s", 12379065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown deviceId, fd, devicePath, device->identifier.name.string(), 12389065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->classes, 12399065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->configurationFile.string(), 12409065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->keyMap.keyLayoutFile.string(), 12419065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->keyMap.keyCharacterMapFile.string(), 1242e22afbedc1a71905d112d8cf78ca8c2a27e371feJeff Brown toString(mBuiltInKeyboardId == deviceId), 1243eca3cf58c096d5a4ba4ae80318f72266c21a9a6dJeff Brown toString(usingSuspendBlockIoctl), toString(usingClockIoctl)); 12449065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 12459f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown addDeviceLocked(device); 12469f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown return 0; 12479f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown} 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12499f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brownvoid EventHub::createVirtualKeyboardLocked() { 12509f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown InputDeviceIdentifier identifier; 12519f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown identifier.name = "Virtual"; 12529f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown identifier.uniqueId = "<virtual>"; 12539f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown setDescriptor(identifier); 12549f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown 12559f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown Device* device = new Device(-1, VIRTUAL_KEYBOARD_ID, String8("<virtual>"), identifier); 12569f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown device->classes = INPUT_DEVICE_CLASS_KEYBOARD 12579f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown | INPUT_DEVICE_CLASS_ALPHAKEY 12589f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown | INPUT_DEVICE_CLASS_DPAD 12599f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown | INPUT_DEVICE_CLASS_VIRTUAL; 12609f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown loadKeyMapLocked(device); 12619f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown addDeviceLocked(device); 12629f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown} 12639f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown 12649f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brownvoid EventHub::addDeviceLocked(Device* device) { 12659f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown mDevices.add(device->id, device); 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project device->next = mOpeningDevices; 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOpeningDevices = device; 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 127093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::loadConfigurationLocked(Device* device) { 12719065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->configurationFile = getInputDeviceConfigurationFilePathByDeviceIdentifier( 12729065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier, INPUT_DEVICE_CONFIGURATION_FILE_TYPE_CONFIGURATION); 127347e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown if (device->configurationFile.isEmpty()) { 12745baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("No input device configuration file found for device '%s'.", 12759065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier.name.string()); 127647e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } else { 127747e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown status_t status = PropertyMap::load(device->configurationFile, 127847e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown &device->configuration); 127947e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown if (status) { 12803762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error loading input device configuration file for device '%s'. " 12819065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown "Using default configuration.", 12829065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier.name.string()); 128347e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } 128447e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } 128547e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown} 128647e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown 128793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownstatus_t EventHub::loadVirtualKeyMapLocked(Device* device) { 12889065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // The virtual key map is supplied by the kernel as a system board property file. 12899065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown String8 path; 12909065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown path.append("/sys/board_properties/virtualkeys."); 12919065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown path.append(device->identifier.name); 12929065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (access(path.string(), R_OK)) { 12939065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return NAME_NOT_FOUND; 12949065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 12959065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return VirtualKeyMap::load(path, &device->virtualKeyMap); 1296497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 1297497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 129893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownstatus_t EventHub::loadKeyMapLocked(Device* device) { 12999065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return device->keyMap.load(device->identifier, device->configuration); 1300497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 1301497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 130293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownbool EventHub::isExternalDeviceLocked(Device* device) { 130356194ebec6212e229f4ccdaa4b187166d20013efJeff Brown if (device->configuration) { 130456194ebec6212e229f4ccdaa4b187166d20013efJeff Brown bool value; 1305e81056f35041de24adad9bc5384b9e8f72bf95f6Max Braun if (device->configuration->tryGetProperty(String8("device.internal"), value)) { 1306e81056f35041de24adad9bc5384b9e8f72bf95f6Max Braun return !value; 130756194ebec6212e229f4ccdaa4b187166d20013efJeff Brown } 130856194ebec6212e229f4ccdaa4b187166d20013efJeff Brown } 130956194ebec6212e229f4ccdaa4b187166d20013efJeff Brown return device->identifier.bus == BUS_USB || device->identifier.bus == BUS_BLUETOOTH; 131056194ebec6212e229f4ccdaa4b187166d20013efJeff Brown} 131156194ebec6212e229f4ccdaa4b187166d20013efJeff Brown 13129065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownbool EventHub::hasKeycodeLocked(Device* device, int keycode) const { 13139065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (!device->keyMap.haveKeyLayout() || !device->keyBitmask) { 13140dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn return false; 13150dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 13160dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn 13170dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn Vector<int32_t> scanCodes; 13186f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->keyMap.keyLayoutMap->findScanCodesForKey(keycode, &scanCodes); 13190dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn const size_t N = scanCodes.size(); 13200dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn for (size_t i=0; i<N && i<=KEY_MAX; i++) { 13210dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn int32_t sc = scanCodes.itemAt(i); 13220dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, device->keyBitmask)) { 13230dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn return true; 13240dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 13250dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 13260dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn 13270dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn return false; 13280dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn} 13290dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn 133093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownstatus_t EventHub::closeDeviceByPathLocked(const char *devicePath) { 133193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown Device* device = getDeviceByPathLocked(devicePath); 133293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (device) { 133393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown closeDeviceLocked(device); 133493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown return 0; 133533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 133671f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Remove device: %s not found, device may already have been removed.", devicePath); 133733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown return -1; 133833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown} 13399065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 134093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::closeAllDevicesLocked() { 134193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown while (mDevices.size() > 0) { 134293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown closeDeviceLocked(mDevices.valueAt(mDevices.size() - 1)); 134393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 134493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown} 134593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 134693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::closeDeviceLocked(Device* device) { 13476215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI("Removed device: path=%s name=%s id=%d fd=%d classes=0x%x\n", 134833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->path.string(), device->identifier.name.string(), device->id, 134933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->fd, device->classes); 13509065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 135133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (device->id == mBuiltInKeyboardId) { 13528564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("built-in keyboard device %s (id=%d) is closing! the apps will not like this", 135333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->path.string(), mBuiltInKeyboardId); 13549f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown mBuiltInKeyboardId = NO_BUILT_IN_KEYBOARD; 135533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 135633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 13579f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown if (!device->isVirtual()) { 13589f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown if (epoll_ctl(mEpollFd, EPOLL_CTL_DEL, device->fd, NULL)) { 13599f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown ALOGW("Could not remove device fd from epoll instance. errno=%d", errno); 13609f25b7fdf216c9ef0bd2322cd223eeaf0d60f77fJeff Brown } 136193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } 136293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 136393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mDevices.removeItem(device->id); 136433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->close(); 136533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 13668e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown // Unlink for opening devices list if it is present. 13678e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown Device* pred = NULL; 13688e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown bool found = false; 13698e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown for (Device* entry = mOpeningDevices; entry != NULL; ) { 13708e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown if (entry == device) { 13718e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown found = true; 13728e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown break; 13738e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown } 13748e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown pred = entry; 13758e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown entry = entry->next; 13768e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown } 13778e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown if (found) { 13788e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown // Unlink the device from the opening devices list then delete it. 13798e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown // We don't need to tell the client that the device was closed because 13808e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown // it does not even know it was opened in the first place. 13816215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI("Device %s was immediately closed after opening.", device->path.string()); 13828e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown if (pred) { 13838e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown pred->next = device->next; 13848e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown } else { 13858e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown mOpeningDevices = device->next; 13868e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown } 13878e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown delete device; 13888e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown } else { 13898e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown // Link into closing devices list. 13908e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown // The device will be deleted later after we have informed the client. 13918e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown device->next = mClosingDevices; 13928e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown mClosingDevices = device; 13938e9d4431d6a97a08d7dc9612c68ffd0812dfdc68Jeff Brown } 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 139693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownstatus_t EventHub::readNotifyLocked() { 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int res; 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char devname[PATH_MAX]; 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char *filename; 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char event_buf[512]; 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int event_size; 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int event_pos = 0; 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct inotify_event *event; 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 140571f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("EventHub::readNotify nfd: %d\n", mINotifyFd); 140693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown res = read(mINotifyFd, event_buf, sizeof(event_buf)); 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(res < (int)sizeof(*event)) { 14089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(errno == EINTR) 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 14108564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("could not get event, %s\n", strerror(errno)); 141193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown return -1; 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("got %d bytes of event information\n", res); 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14159065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown strcpy(devname, DEVICE_PATH); 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filename = devname + strlen(devname); 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *filename++ = '/'; 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while(res >= (int)sizeof(*event)) { 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project event = (struct inotify_event *)(event_buf + event_pos); 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("%d: %08x \"%s\"\n", event->wd, event->mask, event->len ? event->name : ""); 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(event->len) { 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcpy(filename, event->name); 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(event->mask & IN_CREATE) { 142593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown openDeviceLocked(devname); 142693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else { 14276215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI("Removing device '%s' due to inotify event\n", devname); 142893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown closeDeviceByPathLocked(devname); 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project event_size = sizeof(*event) + event->len; 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res -= event_size; 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project event_pos += event_size; 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 143893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownstatus_t EventHub::scanDirLocked(const char *dirname) 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char devname[PATH_MAX]; 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char *filename; 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR *dir; 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent *de; 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dir = opendir(dirname); 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(dir == NULL) 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcpy(devname, dirname); 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filename = devname + strlen(devname); 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *filename++ = '/'; 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while((de = readdir(dir))) { 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(de->d_name[0] == '.' && 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (de->d_name[1] == '\0' || 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (de->d_name[1] == '.' && de->d_name[2] == '\0'))) 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcpy(filename, de->d_name); 145693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown openDeviceLocked(devname); 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dir); 14599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 14609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 146293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brownvoid EventHub::requestReopenDevices() { 146371f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("requestReopenDevices() called"); 146493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown 146593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown AutoMutex _l(mLock); 146693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown mNeedToReopenDevices = true; 14671a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown} 14681a84fd1fb7a51f3fe4f8865e1cdd09f3490f696cJeff Brown 1469f2f487183052865d50c004a835360be1728b5a52Jeff Brownvoid EventHub::dump(String8& dump) { 1470f2f487183052865d50c004a835360be1728b5a52Jeff Brown dump.append("Event Hub State:\n"); 1471f2f487183052865d50c004a835360be1728b5a52Jeff Brown 1472f2f487183052865d50c004a835360be1728b5a52Jeff Brown { // acquire lock 1473f2f487183052865d50c004a835360be1728b5a52Jeff Brown AutoMutex _l(mLock); 1474f2f487183052865d50c004a835360be1728b5a52Jeff Brown 14759065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown dump.appendFormat(INDENT "BuiltInKeyboardId: %d\n", mBuiltInKeyboardId); 1476f2f487183052865d50c004a835360be1728b5a52Jeff Brown 1477f2f487183052865d50c004a835360be1728b5a52Jeff Brown dump.append(INDENT "Devices:\n"); 1478f2f487183052865d50c004a835360be1728b5a52Jeff Brown 147993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown for (size_t i = 0; i < mDevices.size(); i++) { 148093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown const Device* device = mDevices.valueAt(i); 148193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown if (mBuiltInKeyboardId == device->id) { 148293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT2 "%d: %s (aka device 0 - built-in keyboard)\n", 148393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->id, device->identifier.name.string()); 148493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown } else { 148593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT2 "%d: %s\n", device->id, 148693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->identifier.name.string()); 1487f2f487183052865d50c004a835360be1728b5a52Jeff Brown } 148893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "Classes: 0x%08x\n", device->classes); 148993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "Path: %s\n", device->path.string()); 1490e38fdfae9196afd1bdc14c5ec6c12793af1e2550Jeff Brown dump.appendFormat(INDENT3 "Descriptor: %s\n", device->identifier.descriptor.string()); 149193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "Location: %s\n", device->identifier.location.string()); 149293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "UniqueId: %s\n", device->identifier.uniqueId.string()); 149393fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "Identifier: bus=0x%04x, vendor=0x%04x, " 149493fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown "product=0x%04x, version=0x%04x\n", 149593fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->identifier.bus, device->identifier.vendor, 149693fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->identifier.product, device->identifier.version); 149793fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "KeyLayoutFile: %s\n", 149893fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->keyMap.keyLayoutFile.string()); 149993fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "KeyCharacterMapFile: %s\n", 150093fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->keyMap.keyCharacterMapFile.string()); 150193fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown dump.appendFormat(INDENT3 "ConfigurationFile: %s\n", 150293fa9b30b91f75ee161d0791ff17f98d1a603812Jeff Brown device->configurationFile.string()); 150361c08240585a6186b4bd879d87f238b3efc368f8Jeff Brown dump.appendFormat(INDENT3 "HaveKeyboardLayoutOverlay: %s\n", 150461c08240585a6186b4bd879d87f238b3efc368f8Jeff Brown toString(device->overlayKeyMap != NULL)); 1505f2f487183052865d50c004a835360be1728b5a52Jeff Brown } 1506f2f487183052865d50c004a835360be1728b5a52Jeff Brown } // release lock 1507f2f487183052865d50c004a835360be1728b5a52Jeff Brown} 1508f2f487183052865d50c004a835360be1728b5a52Jeff Brown 150989ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brownvoid EventHub::monitor() { 151089ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brown // Acquire and release the lock to ensure that the event hub has not deadlocked. 151189ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brown mLock.lock(); 151289ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brown mLock.unlock(); 151389ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brown} 151489ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brown 151589ef0720ee8e0ac6ae1758faa917e4d6c9606fb4Jeff Brown 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; // namespace android 1517