EventHub.cpp revision aa3855d5836d2a2d83baafdf6e40caf90d3dad1c
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// 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Handle events, like key input and vsync. 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// The goal is to provide an optimized solution for Linux, not an 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// implementation that works well across all platforms. We expect 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// events to arrive on file descriptors, so that we can use a select() 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// select() call to sleep. 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// We can't select() on anything but network sockets in Windows, so we 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// provide an alternative implementation of waitEvent for that platform. 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "EventHub" 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project//#define LOG_NDEBUG 0 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown#include "EventHub.h" 33b4ff35df5c04aec71fce7e90a6d6f9ef7180c2adJeff Brown 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <hardware_legacy/power.h> 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <cutils/properties.h> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Log.h> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Timers.h> 393b4062eeb01be33951ba214e027da523cf09f8b1Mathias Agopian#include <utils/threads.h> 403b4062eeb01be33951ba214e027da523cf09f8b1Mathias Agopian#include <utils/Errors.h> 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdlib.h> 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdio.h> 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <unistd.h> 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <fcntl.h> 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <memory.h> 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <errno.h> 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <assert.h> 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 506b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown#include <ui/KeyLayoutMap.h> 519065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown#include <ui/KeyCharacterMap.h> 529065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown#include <ui/VirtualKeyMap.h> 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <string.h> 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdint.h> 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <dirent.h> 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef HAVE_INOTIFY 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project# include <sys/inotify.h> 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef HAVE_ANDROID_OS 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project# include <sys/limits.h> /* not part of Linux */ 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/poll.h> 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/ioctl.h> 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* this macro is used to tell if "bit" is set in "array" 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * it selects a byte from the array, and does a boolean AND 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * operation with a byte that only has the relevant bit set. 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * eg. to check for the 12th bit, we do (array[1] & 1<<4) 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define test_bit(bit, array) (array[bit/8] & (1<<(bit%8))) 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 73fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown/* this macro computes the number of bytes needed to represent a bit array of the specified size */ 74fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown#define sizeof_bit_array(bits) ((bits + 7) / 8) 75fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 769065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown// Fd at index 0 is always reserved for inotify 779065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown#define FIRST_ACTUAL_DEVICE_INDEX 1 789065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 79f2f487183052865d50c004a835360be1728b5a52Jeff Brown#define INDENT " " 80f2f487183052865d50c004a835360be1728b5a52Jeff Brown#define INDENT2 " " 81f2f487183052865d50c004a835360be1728b5a52Jeff Brown#define INDENT3 " " 82f2f487183052865d50c004a835360be1728b5a52Jeff Brown 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char *WAKE_LOCK_ID = "KeyEvents"; 869065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownstatic const char *DEVICE_PATH = "/dev/input"; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* return the larger integer */ 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic inline int max(int v1, int v2) 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (v1 > v2) ? v1 : v2; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 94f2f487183052865d50c004a835360be1728b5a52Jeff Brownstatic inline const char* toString(bool value) { 95f2f487183052865d50c004a835360be1728b5a52Jeff Brown return value ? "true" : "false"; 96f2f487183052865d50c004a835360be1728b5a52Jeff Brown} 97f2f487183052865d50c004a835360be1728b5a52Jeff Brown 989065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown// --- EventHub::Device --- 999065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 1009065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownEventHub::Device::Device(int fd, int32_t id, const String8& path, 1019065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown const InputDeviceIdentifier& identifier) : 1029065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown next(NULL), 1039065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown fd(fd), id(id), path(path), identifier(identifier), 104cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown classes(0), keyBitmask(NULL), relBitmask(NULL), 105cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown configuration(NULL), virtualKeyMap(NULL) { 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1089065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownEventHub::Device::~Device() { 1099065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown close(); 1109065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown delete[] keyBitmask; 111cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown delete[] relBitmask; 11247e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown delete configuration; 1139065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown delete virtualKeyMap; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownvoid EventHub::Device::close() { 1179065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (fd >= 0) { 1189065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown ::close(fd); 1199065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown fd = -1; 1209065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 1219065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown} 1229065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 1239065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 1249065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown// --- EventHub --- 1259065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 1269065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownEventHub::EventHub(void) : 1279065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mError(NO_INIT), mBuiltInKeyboardId(-1), mNextDeviceId(1), 1289065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mOpeningDevices(0), mClosingDevices(0), 1299065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mOpened(false), mNeedToSendFinishedDeviceScan(false), 1309065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mInputBufferIndex(0), mInputBufferCount(0), mInputFdIndex(0) { 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memset(mSwitches, 0, sizeof(mSwitches)); 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1359065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownEventHub::~EventHub(void) { 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project release_wake_lock(WAKE_LOCK_ID); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we should free stuff here... 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1409065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownstatus_t EventHub::errorCheck() const { 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mError; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1449065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownString8 EventHub::getDeviceName(int32_t deviceId) const { 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 1469065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (device == NULL) return String8(); 1489065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return device->identifier.name; 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownuint32_t EventHub::getDeviceClasses(int32_t deviceId) const { 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 1539065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (device == NULL) return 0; 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return device->classes; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15847e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brownvoid EventHub::getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const { 15947e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown AutoMutex _l(mLock); 1609065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 16147e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown if (device && device->configuration) { 16247e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown *outConfiguration = *device->configuration; 1631f2451007c660091b7b090c1ea332f9044515d2dJeff Brown } else { 1641f2451007c660091b7b090c1ea332f9044515d2dJeff Brown outConfiguration->clear(); 16547e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } 16647e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown} 16747e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown 1686d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownstatus_t EventHub::getAbsoluteAxisInfo(int32_t deviceId, int axis, 1696d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown RawAbsoluteAxisInfo* outAxisInfo) const { 1708d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown outAxisInfo->clear(); 1716d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 1739065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (device == NULL) return -1; 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct input_absinfo info; 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 178c4554b9a0885ac3713575e91d8d33c5670b52322Jens Gulin if(ioctl(device->fd, EVIOCGABS(axis), &info)) { 1796d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown LOGW("Error reading absolute controller %d for device %s fd %d\n", 1809065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown axis, device->identifier.name.string(), device->fd); 1816d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown return -errno; 1826d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 1836d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 1846d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown if (info.minimum != info.maximum) { 1856d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outAxisInfo->valid = true; 1866d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outAxisInfo->minValue = info.minimum; 1876d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outAxisInfo->maxValue = info.maximum; 1886d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outAxisInfo->flat = info.flat; 1896d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outAxisInfo->fuzz = info.fuzz; 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1916d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown return OK; 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 194cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brownbool EventHub::hasRelativeAxis(int32_t deviceId, int axis) const { 195cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown if (axis >= 0 && axis <= REL_MAX) { 196cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown AutoMutex _l(mLock); 197cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown 198cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown Device* device = getDeviceLocked(deviceId); 199cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown if (device && device->relBitmask) { 200cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown return test_bit(axis, device->relBitmask); 201cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown } 202cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown } 203cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown return false; 204cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown} 205cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown 2066d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownint32_t EventHub::getScanCodeState(int32_t deviceId, int32_t scanCode) const { 20746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown if (scanCode >= 0 && scanCode <= KEY_MAX) { 20846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown AutoMutex _l(mLock); 20946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 2109065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 2116d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown if (device != NULL) { 2126d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown return getScanCodeStateLocked(device, scanCode); 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 215c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return AKEY_STATE_UNKNOWN; 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2189065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownint32_t EventHub::getScanCodeStateLocked(Device* device, int32_t scanCode) const { 219fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)]; 22046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown memset(key_bitmask, 0, sizeof(key_bitmask)); 221c4554b9a0885ac3713575e91d8d33c5670b52322Jens Gulin if (ioctl(device->fd, 22246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) { 223c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return test_bit(scanCode, key_bitmask) ? AKEY_STATE_DOWN : AKEY_STATE_UP; 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 225c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return AKEY_STATE_UNKNOWN; 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2286d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownint32_t EventHub::getKeyCodeState(int32_t deviceId, int32_t keyCode) const { 2296d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AutoMutex _l(mLock); 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2319065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 2326d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown if (device != NULL) { 2336d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown return getKeyCodeStateLocked(device, keyCode); 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 235c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return AKEY_STATE_UNKNOWN; 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2389065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownint32_t EventHub::getKeyCodeStateLocked(Device* device, int32_t keyCode) const { 2399065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (!device->keyMap.haveKeyLayout()) { 2406b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown return AKEY_STATE_UNKNOWN; 2416b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown } 2426b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<int32_t> scanCodes; 2446f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->keyMap.keyLayoutMap->findScanCodesForKey(keyCode, &scanCodes); 24546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 246fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)]; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memset(key_bitmask, 0, sizeof(key_bitmask)); 248c4554b9a0885ac3713575e91d8d33c5670b52322Jens Gulin if (ioctl(device->fd, EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) { 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #if 0 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<=KEY_MAX; i++) { 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGI("(Scan code %d: down=%d)", i, test_bit(i, key_bitmask)); 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #endif 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = scanCodes.size(); 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N && i<=KEY_MAX; i++) { 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int32_t sc = scanCodes.itemAt(i); 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Code %d: down=%d", sc, test_bit(sc, key_bitmask)); 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, key_bitmask)) { 259c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return AKEY_STATE_DOWN; 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 262c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return AKEY_STATE_UP; 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 264c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return AKEY_STATE_UNKNOWN; 26546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 26646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 2676d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownint32_t EventHub::getSwitchState(int32_t deviceId, int32_t sw) const { 26846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown if (sw >= 0 && sw <= SW_MAX) { 26946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown AutoMutex _l(mLock); 27046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 2719065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 2726d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown if (device != NULL) { 2736d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown return getSwitchStateLocked(device, sw); 27446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown } 27546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown } 276c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return AKEY_STATE_UNKNOWN; 27746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 27846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 2799065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownint32_t EventHub::getSwitchStateLocked(Device* device, int32_t sw) const { 280fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown uint8_t sw_bitmask[sizeof_bit_array(SW_MAX + 1)]; 28146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown memset(sw_bitmask, 0, sizeof(sw_bitmask)); 282c4554b9a0885ac3713575e91d8d33c5670b52322Jens Gulin if (ioctl(device->fd, 28346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown EVIOCGSW(sizeof(sw_bitmask)), sw_bitmask) >= 0) { 284c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return test_bit(sw, sw_bitmask) ? AKEY_STATE_DOWN : AKEY_STATE_UP; 28546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown } 286c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown return AKEY_STATE_UNKNOWN; 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2896d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownbool EventHub::markSupportedKeyCodes(int32_t deviceId, size_t numCodes, 2906d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown const int32_t* keyCodes, uint8_t* outFlags) const { 2916d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AutoMutex _l(mLock); 2926d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 2939065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 2946d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown if (device != NULL) { 2956d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown return markSupportedKeyCodesLocked(device, numCodes, keyCodes, outFlags); 2966d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 2976d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown return false; 2986d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown} 2996d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 3009065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownbool EventHub::markSupportedKeyCodesLocked(Device* device, size_t numCodes, 3016d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown const int32_t* keyCodes, uint8_t* outFlags) const { 3029065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (!device->keyMap.haveKeyLayout() || !device->keyBitmask) { 3036d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown return false; 3046d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 3056d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 3066d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown Vector<int32_t> scanCodes; 3076d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown for (size_t codeIndex = 0; codeIndex < numCodes; codeIndex++) { 3086d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown scanCodes.clear(); 3096d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 3106f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown status_t err = device->keyMap.keyLayoutMap->findScanCodesForKey( 3116f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown keyCodes[codeIndex], &scanCodes); 3126d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown if (! err) { 3136d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown // check the possible scan codes identified by the layout map against the 3146d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown // map of codes actually emitted by the driver 3156d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown for (size_t sc = 0; sc < scanCodes.size(); sc++) { 3166d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown if (test_bit(scanCodes[sc], device->keyBitmask)) { 3176d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outFlags[codeIndex] = 1; 3186d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown break; 3196d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 3206d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 3216d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 3226d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 3236d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown return true; 3246d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown} 3256d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 3266f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brownstatus_t EventHub::mapKey(int32_t deviceId, int scancode, 327e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn int32_t* outKeycode, uint32_t* outFlags) const 328e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn{ 329e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn AutoMutex _l(mLock); 3309065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 331e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn 3329065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device && device->keyMap.haveKeyLayout()) { 3336f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown status_t err = device->keyMap.keyLayoutMap->mapKey(scancode, outKeycode, outFlags); 334e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn if (err == NO_ERROR) { 335e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn return NO_ERROR; 336e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn } 337e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn } 338e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn 3399065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (mBuiltInKeyboardId != -1) { 3409065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device = getDeviceLocked(mBuiltInKeyboardId); 341e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn 3429065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device && device->keyMap.haveKeyLayout()) { 3436f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown status_t err = device->keyMap.keyLayoutMap->mapKey(scancode, outKeycode, outFlags); 344e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn if (err == NO_ERROR) { 345e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn return NO_ERROR; 346e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn } 347e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn } 348e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn } 349e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn 350e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn *outKeycode = 0; 351e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn *outFlags = 0; 352e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn return NAME_NOT_FOUND; 353e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn} 354e3dd884815b2aaeec4241859722ab603e0b1466bDianne Hackborn 3553a22fa057091cd6614f58ebc57a7ce4fe29462bbJeff Brownstatus_t EventHub::mapAxis(int32_t deviceId, int scancode, AxisInfo* outAxisInfo) const 3566f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown{ 3576f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown AutoMutex _l(mLock); 3586f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown Device* device = getDeviceLocked(deviceId); 3596f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 3606f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (device && device->keyMap.haveKeyLayout()) { 3613a22fa057091cd6614f58ebc57a7ce4fe29462bbJeff Brown status_t err = device->keyMap.keyLayoutMap->mapAxis(scancode, outAxisInfo); 3626f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (err == NO_ERROR) { 3636f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown return NO_ERROR; 3646f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 3656f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 3666f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 3676f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (mBuiltInKeyboardId != -1) { 3686f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device = getDeviceLocked(mBuiltInKeyboardId); 3696f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 3706f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (device && device->keyMap.haveKeyLayout()) { 3713a22fa057091cd6614f58ebc57a7ce4fe29462bbJeff Brown status_t err = device->keyMap.keyLayoutMap->mapAxis(scancode, outAxisInfo); 3726f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (err == NO_ERROR) { 3736f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown return NO_ERROR; 3746f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 3756f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 3766f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 3776f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 3786f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown return NAME_NOT_FOUND; 3796f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown} 3806f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 3811d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwoodvoid EventHub::addExcludedDevice(const char* deviceName) 3821d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood{ 383f2f487183052865d50c004a835360be1728b5a52Jeff Brown AutoMutex _l(mLock); 384f2f487183052865d50c004a835360be1728b5a52Jeff Brown 3851d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood String8 name(deviceName); 3861d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood mExcludedDevices.push_back(name); 3871d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood} 3881d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 389497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brownbool EventHub::hasLed(int32_t deviceId, int32_t led) const { 390497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown AutoMutex _l(mLock); 3919065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 392497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown if (device) { 393497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown uint8_t bitmask[sizeof_bit_array(LED_MAX + 1)]; 394497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown memset(bitmask, 0, sizeof(bitmask)); 395497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown if (ioctl(device->fd, EVIOCGBIT(EV_LED, sizeof(bitmask)), bitmask) >= 0) { 396497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown if (test_bit(led, bitmask)) { 397497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown return true; 398497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 399497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 400497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 401497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown return false; 402497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 403497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 404497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brownvoid EventHub::setLedState(int32_t deviceId, int32_t led, bool on) { 405497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown AutoMutex _l(mLock); 4069065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 407497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown if (device) { 408497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown struct input_event ev; 409497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.time.tv_sec = 0; 410497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.time.tv_usec = 0; 411497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.type = EV_LED; 412497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.code = led; 413497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.value = on ? 1 : 0; 414497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 415497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ssize_t nWrite; 416497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown do { 417497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown nWrite = write(device->fd, &ev, sizeof(struct input_event)); 418497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } while (nWrite == -1 && errno == EINTR); 419497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 420497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 421497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 4229065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownvoid EventHub::getVirtualKeyDefinitions(int32_t deviceId, 4239065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Vector<VirtualKeyDefinition>& outVirtualKeys) const { 4249065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown outVirtualKeys.clear(); 4259065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 4269065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown AutoMutex _l(mLock); 4279065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 4289065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device && device->virtualKeyMap) { 4299065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown outVirtualKeys.appendVector(device->virtualKeyMap->getVirtualKeys()); 4309065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 4319065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown} 4329065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 4339065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownEventHub::Device* EventHub::getDeviceLocked(int32_t deviceId) const { 4349065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (deviceId == 0) { 4359065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown deviceId = mBuiltInKeyboardId; 4369065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 4379065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 4389065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown size_t numDevices = mDevices.size(); 4399065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown for (size_t i = FIRST_ACTUAL_DEVICE_INDEX; i < numDevices; i++) { 4409065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = mDevices[i]; 4419065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device->id == deviceId) { 4429065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return device; 4439065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 448aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brownbool EventHub::getEvent(int timeoutMillis, RawEvent* outEvent) { 4496d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->deviceId = 0; 4506d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->type = 0; 4516d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->scanCode = 0; 4526d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->keyCode = 0; 4536d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->flags = 0; 4546d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->value = 0; 4556d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->when = 0; 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Note that we only allow one caller to getEvent(), so don't need 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to do locking here... only when adding/removing devices. 4591d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 4601d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood if (!mOpened) { 4611d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood mError = openPlatformInput() ? NO_ERROR : UNKNOWN_ERROR; 4621d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood mOpened = true; 4637342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown mNeedToSendFinishedDeviceScan = true; 4641d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood } 4651d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 466cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown for (;;) { 467cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Report any devices that had last been added/removed. 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mClosingDevices != NULL) { 4699065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = mClosingDevices; 4709065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGV("Reporting device closed: id=%d, name=%s\n", 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project device->id, device->path.string()); 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mClosingDevices = device->next; 4739065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device->id == mBuiltInKeyboardId) { 4746d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->deviceId = 0; 4756d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } else { 4766d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->deviceId = device->id; 4776d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 4786d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->type = DEVICE_REMOVED; 479c3db858de9fa152480b9cf53c8c0cb793a280722Jeff Brown outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC); 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete device; 4817342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown mNeedToSendFinishedDeviceScan = true; 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4846d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOpeningDevices != NULL) { 4869065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = mOpeningDevices; 4879065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGV("Reporting device opened: id=%d, name=%s\n", 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project device->id, device->path.string()); 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOpeningDevices = device->next; 4909065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device->id == mBuiltInKeyboardId) { 4916d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->deviceId = 0; 4926d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } else { 4936d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->deviceId = device->id; 4946d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 4956d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->type = DEVICE_ADDED; 496c3db858de9fa152480b9cf53c8c0cb793a280722Jeff Brown outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC); 4977342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown mNeedToSendFinishedDeviceScan = true; 4987342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown return true; 4997342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown } 5007342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown 5017342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown if (mNeedToSendFinishedDeviceScan) { 5027342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown mNeedToSendFinishedDeviceScan = false; 5037342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown outEvent->type = FINISHED_DEVICE_SCAN; 504c3db858de9fa152480b9cf53c8c0cb793a280722Jeff Brown outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC); 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 508cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Grab the next input event. 50933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown bool deviceWasRemoved = false; 510cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown for (;;) { 511cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Consume buffered input events, if any. 512cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (mInputBufferIndex < mInputBufferCount) { 513cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown const struct input_event& iev = mInputBufferData[mInputBufferIndex++]; 5149065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown const Device* device = mDevices[mInputFdIndex]; 515cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 516cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown LOGV("%s got: t0=%d, t1=%d, type=%d, code=%d, v=%d", device->path.string(), 517cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown (int) iev.time.tv_sec, (int) iev.time.tv_usec, iev.type, iev.code, iev.value); 5189065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device->id == mBuiltInKeyboardId) { 519cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown outEvent->deviceId = 0; 520cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } else { 521cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown outEvent->deviceId = device->id; 522cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 523cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown outEvent->type = iev.type; 524cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown outEvent->scanCode = iev.code; 5256b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown outEvent->flags = 0; 526cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (iev.type == EV_KEY) { 5276b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown outEvent->keyCode = AKEYCODE_UNKNOWN; 5289065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device->keyMap.haveKeyLayout()) { 5296f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown status_t err = device->keyMap.keyLayoutMap->mapKey(iev.code, 5306b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown &outEvent->keyCode, &outEvent->flags); 5316b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown LOGV("iev.code=%d keyCode=%d flags=0x%08x err=%d\n", 5326b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown iev.code, outEvent->keyCode, outEvent->flags, err); 533cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 534cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } else { 535cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown outEvent->keyCode = iev.code; 536cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 537cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown outEvent->value = iev.value; 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 539cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Use an event timestamp in the same timebase as 540cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // java.lang.System.nanoTime() and android.os.SystemClock.uptimeMillis() 541cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // as expected by the rest of the system. 542cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC); 543cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown return true; 544cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 546cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Finish reading all events from devices identified in previous poll(). 547cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // This code assumes that mInputDeviceIndex is initially 0 and that the 548cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // revents member of pollfd is initialized to 0 when the device is first added. 5499065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Since mFds[0] is used for inotify, we process regular events starting at index 1. 5509065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mInputFdIndex += 1; 5519065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (mInputFdIndex >= mFds.size()) { 552cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown break; 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5559065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown const struct pollfd& pfd = mFds[mInputFdIndex]; 556cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (pfd.revents & POLLIN) { 557cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown int32_t readSize = read(pfd.fd, mInputBufferData, 558cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown sizeof(struct input_event) * INPUT_BUFFER_SIZE); 559cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (readSize < 0) { 56033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (errno == ENODEV) { 56133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown deviceWasRemoved = true; 56233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown break; 56333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 564cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (errno != EAGAIN && errno != EINTR) { 565cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown LOGW("could not get event (errno=%d)", errno); 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 567cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } else if ((readSize % sizeof(struct input_event)) != 0) { 568cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown LOGE("could not get event (wrong size: %d)", readSize); 569cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } else { 5709065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mInputBufferCount = size_t(readSize) / sizeof(struct input_event); 571cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown mInputBufferIndex = 0; 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 575cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 57633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown // Handle the case where a device has been removed but INotify has not yet noticed. 57733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (deviceWasRemoved) { 57833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown AutoMutex _l(mLock); 57933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown closeDeviceAtIndexLocked(mInputFdIndex); 58033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown continue; // report added or removed devices immediately 58133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 58233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 583a9b84229a3e9e0ae15e3e964985fac2314247be2Jeff Brown#if HAVE_INOTIFY 5847342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown // readNotify() will modify mFDs and mFDCount, so this must be done after 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // processing all other events. 5869065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(mFds[0].revents & POLLIN) { 5879065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown readNotify(mFds[0].fd); 5889065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mFds.editItemAt(0).revents = 0; 589a9b84229a3e9e0ae15e3e964985fac2314247be2Jeff Brown continue; // report added or removed devices immediately 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 591a9b84229a3e9e0ae15e3e964985fac2314247be2Jeff Brown#endif 592a9b84229a3e9e0ae15e3e964985fac2314247be2Jeff Brown 593cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Poll for events. Mind the wake lock dance! 594cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // We hold a wake lock at all times except during poll(). This works due to some 595cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // subtle choreography. When a device driver has pending (unread) events, it acquires 596cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // a kernel wake lock. However, once the last pending event has been read, the device 597cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // driver will release the kernel wake lock. To prevent the system from going to sleep 598cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // when this happens, the EventHub holds onto its own user wake lock while the client 599cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // is processing events. Thus the system can only sleep if there are no events 600cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // pending or currently being processed. 601aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown // 602aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown // The timeout is advisory only. If the device is asleep, it will not wake just to 603aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown // service the timeout. 604cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown release_wake_lock(WAKE_LOCK_ID); 605cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 606aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown int pollResult = poll(mFds.editArray(), mFds.size(), timeoutMillis); 607cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 608cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID); 609cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 610aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown if (pollResult == 0) { 611aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown // Timed out. 612aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown return false; 613aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown } 614aa3855d5836d2a2d83baafdf6e40caf90d3dad1cJeff Brown if (pollResult < 0) { 615cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (errno != EINTR) { 616a9b84229a3e9e0ae15e3e964985fac2314247be2Jeff Brown LOGW("poll failed (errno=%d)\n", errno); 617cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown usleep(100000); 618cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 619cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 62033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 62133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown // Prepare to process all of the FDs we just polled. 62233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown mInputFdIndex = 0; 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open the platform-specific input device. 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6299065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownbool EventHub::openPlatformInput(void) { 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open platform-specific input device(s). 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6339065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int res, fd; 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef HAVE_INOTIFY 6369065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown fd = inotify_init(); 6379065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown res = inotify_add_watch(fd, DEVICE_PATH, IN_DELETE | IN_CREATE); 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(res < 0) { 6399065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("could not add watch for %s, %s\n", DEVICE_PATH, strerror(errno)); 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#else 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The code in EventHub::getEvent assumes that mFDs[0] is an inotify fd. 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We allocate space for it and set it to something invalid. 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6469065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown fd = -1; 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6499065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Reserve fd index 0 for inotify. 6509065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown struct pollfd pollfd; 6519065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown pollfd.fd = fd; 6529065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown pollfd.events = POLLIN; 6539065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown pollfd.revents = 0; 6549065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mFds.push(pollfd); 6559065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mDevices.push(NULL); 6569065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 6579065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown res = scanDir(DEVICE_PATH); 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(res < 0) { 6599065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("scan dir failed for %s\n", DEVICE_PATH); 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 667fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brownstatic bool containsNonZeroByte(const uint8_t* array, uint32_t startIndex, uint32_t endIndex) { 668fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown const uint8_t* end = array + endIndex; 669fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown array += startIndex; 670fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown while (array != end) { 671fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown if (*(array++) != 0) { 672fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown return true; 673fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 674fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 675fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown return false; 676fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown} 677fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 678fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brownstatic const int32_t GAMEPAD_KEYCODES[] = { 679fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_A, AKEYCODE_BUTTON_B, AKEYCODE_BUTTON_C, 680fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_X, AKEYCODE_BUTTON_Y, AKEYCODE_BUTTON_Z, 681fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_L1, AKEYCODE_BUTTON_R1, 682fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_L2, AKEYCODE_BUTTON_R2, 683fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_THUMBL, AKEYCODE_BUTTON_THUMBR, 684cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_START, AKEYCODE_BUTTON_SELECT, AKEYCODE_BUTTON_MODE, 685cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_1, AKEYCODE_BUTTON_2, AKEYCODE_BUTTON_3, AKEYCODE_BUTTON_4, 686cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_5, AKEYCODE_BUTTON_6, AKEYCODE_BUTTON_7, AKEYCODE_BUTTON_8, 687cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_9, AKEYCODE_BUTTON_10, AKEYCODE_BUTTON_11, AKEYCODE_BUTTON_12, 688cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_13, AKEYCODE_BUTTON_14, AKEYCODE_BUTTON_15, AKEYCODE_BUTTON_16, 689fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown}; 690fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 6919065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownint EventHub::openDevice(const char *devicePath) { 6929065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown char buffer[80]; 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6949065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGV("Opening device: %s", devicePath); 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 697e6b1bbd8acca3f6e174c24cf4eb23a66db2d08a2Nick Pelly 6989065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int fd = open(devicePath, O_RDWR); 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(fd < 0) { 7009065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("could not open %s, %s\n", devicePath, strerror(errno)); 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7049065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown InputDeviceIdentifier identifier; 7059065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 7069065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device name. 7079065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGNAME(sizeof(buffer) - 1), &buffer) < 1) { 7089065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown //fprintf(stderr, "could not get device name for %s, %s\n", devicePath, strerror(errno)); 7099065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } else { 7109065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown buffer[sizeof(buffer) - 1] = '\0'; 7119065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.name.setTo(buffer); 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7149065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Check to see if the device is on our excluded list 7151d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood List<String8>::iterator iter = mExcludedDevices.begin(); 7161d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood List<String8>::iterator end = mExcludedDevices.end(); 7171d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood for ( ; iter != end; iter++) { 71815431a9482cedcfee7f5badc05c436e2c7cc7997Mike Lockwood const char* test = *iter; 7199065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (identifier.name == test) { 7209065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI("ignoring event id %s driver %s\n", devicePath, test); 7211d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood close(fd); 7221d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood return -1; 7231d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood } 7241d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood } 7251d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 7269065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device driver version. 7279065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int driverVersion; 7289065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGVERSION, &driverVersion)) { 7299065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("could not get driver version for %s, %s\n", devicePath, strerror(errno)); 730cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown close(fd); 731cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown return -1; 732cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 733cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 7349065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device identifier. 7359065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown struct input_id inputId; 7369065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGID, &inputId)) { 7379065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("could not get device input id for %s, %s\n", devicePath, strerror(errno)); 7389065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown close(fd); 7399065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return -1; 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7419065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.bus = inputId.bustype; 7429065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.product = inputId.product; 7439065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.vendor = inputId.vendor; 7449065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.version = inputId.version; 7459065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 7469065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device physical location. 7479065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGPHYS(sizeof(buffer) - 1), &buffer) < 1) { 7489065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown //fprintf(stderr, "could not get location for %s, %s\n", devicePath, strerror(errno)); 7499065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } else { 7509065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown buffer[sizeof(buffer) - 1] = '\0'; 7519065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.location.setTo(buffer); 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7549065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device unique id. 7559065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGUNIQ(sizeof(buffer) - 1), &buffer) < 1) { 7569065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown //fprintf(stderr, "could not get idstring for %s, %s\n", devicePath, strerror(errno)); 7579065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } else { 7589065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown buffer[sizeof(buffer) - 1] = '\0'; 7599065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.uniqueId.setTo(buffer); 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7629065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Make file descriptor non-blocking for use with poll(). 7639065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (fcntl(fd, F_SETFL, O_NONBLOCK)) { 7649065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("Error %d making device file descriptor non-blocking.", errno); 7659065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown close(fd); 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7689065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 7699065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Allocate device. (The device object takes ownership of the fd at this point.) 7709065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int32_t deviceId = mNextDeviceId++; 7719065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = new Device(fd, deviceId, String8(devicePath), identifier); 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if 0 7749065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI("add device %d: %s\n", deviceId, devicePath); 7759065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI(" bus: %04x\n" 7769065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown " vendor %04x\n" 7779065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown " product %04x\n" 7789065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown " version %04x\n", 7799065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.bus, identifier.vendor, identifier.product, identifier.version); 7809065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI(" name: \"%s\"\n", identifier.name.string()); 7819065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI(" location: \"%s\"\n", identifier.location.string()); 7829065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI(" unique id: \"%s\"\n", identifier.uniqueId.string()); 7839065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI(" driver: v%d.%d.%d\n", 7849065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown driverVersion >> 16, (driverVersion >> 8) & 0xff, driverVersion & 0xff); 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 78747e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown // Load the configuration file for the device. 78847e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown loadConfiguration(device); 78947e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown 790fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // Figure out the kinds of events the device reports. 791fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)]; 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memset(key_bitmask, 0, sizeof(key_bitmask)); 7936f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(key_bitmask)), key_bitmask); 794fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 7956f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown uint8_t abs_bitmask[sizeof_bit_array(ABS_MAX + 1)]; 7966f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown memset(abs_bitmask, 0, sizeof(abs_bitmask)); 7976f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask); 798fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 7996f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown uint8_t rel_bitmask[sizeof_bit_array(REL_MAX + 1)]; 8006f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown memset(rel_bitmask, 0, sizeof(rel_bitmask)); 8016f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown ioctl(fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask); 8026f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 8036f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown uint8_t sw_bitmask[sizeof_bit_array(SW_MAX + 1)]; 8046f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown memset(sw_bitmask, 0, sizeof(sw_bitmask)); 8056f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown ioctl(fd, EVIOCGBIT(EV_SW, sizeof(sw_bitmask)), sw_bitmask); 8066f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 807cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown device->keyBitmask = new uint8_t[sizeof(key_bitmask)]; 808cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown if (device->keyBitmask != NULL) { 809cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown memcpy(device->keyBitmask, key_bitmask, sizeof(key_bitmask)); 810cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown } else { 811cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown delete device; 812cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown LOGE("out of memory allocating key bitmask"); 813cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown return -1; 814cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown } 815cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown 816cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown device->relBitmask = new uint8_t[sizeof(rel_bitmask)]; 817cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown if (device->relBitmask != NULL) { 818cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown memcpy(device->relBitmask, rel_bitmask, sizeof(rel_bitmask)); 819cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown } else { 820cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown delete device; 821cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown LOGE("out of memory allocating rel bitmask"); 822cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown return -1; 823cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown } 824cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown 8256f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // See if this is a keyboard. Ignore everything in the button range except for 8266f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // joystick and gamepad buttons which are handled like keyboards for the most part. 8276f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown bool haveKeyboardKeys = containsNonZeroByte(key_bitmask, 0, sizeof_bit_array(BTN_MISC)) 8286f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown || containsNonZeroByte(key_bitmask, sizeof_bit_array(KEY_OK), 8296f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown sizeof_bit_array(KEY_MAX + 1)); 830e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown bool haveGamepadButtons = containsNonZeroByte(key_bitmask, sizeof_bit_array(BTN_MISC), 831e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown sizeof_bit_array(BTN_MOUSE)) 832e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown || containsNonZeroByte(key_bitmask, sizeof_bit_array(BTN_JOYSTICK), 833e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown sizeof_bit_array(BTN_DIGI)); 8346f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (haveKeyboardKeys || haveGamepadButtons) { 8356f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->classes |= INPUT_DEVICE_CLASS_KEYBOARD; 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8376f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 83883c09685f2e62bc3cf7e71bc61d903f4b9ccaeb4Jeff Brown // See if this is a cursor device such as a trackball or mouse. 8396f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (test_bit(BTN_MOUSE, key_bitmask) 8406f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown && test_bit(REL_X, rel_bitmask) 8416f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown && test_bit(REL_Y, rel_bitmask)) { 8426f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->classes |= INPUT_DEVICE_CLASS_CURSOR; 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 844fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 845fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // See if this is a touch pad. 8466f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // Is this a new modern multi-touch driver? 8476f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (test_bit(ABS_MT_POSITION_X, abs_bitmask) 8486f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown && test_bit(ABS_MT_POSITION_Y, abs_bitmask)) { 8496f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // Some joysticks such as the PS3 controller report axes that conflict 8506f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // with the ABS_MT range. Try to confirm that the device really is 8516f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // a touch screen. 8526f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (test_bit(BTN_TOUCH, key_bitmask) || !haveGamepadButtons) { 85358a2da843f2f22f406df8df1f011738eb8b7fcb1Jeff Brown device->classes |= INPUT_DEVICE_CLASS_TOUCH | INPUT_DEVICE_CLASS_TOUCH_MT; 854fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 8556f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // Is this an old style single-touch driver? 8566f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } else if (test_bit(BTN_TOUCH, key_bitmask) 8576f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown && test_bit(ABS_X, abs_bitmask) 8586f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown && test_bit(ABS_Y, abs_bitmask)) { 8596f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->classes |= INPUT_DEVICE_CLASS_TOUCH; 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 862e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown // See if this device is a joystick. 863e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown // Ignore touchscreens because they use the same absolute axes for other purposes. 864e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown // Assumes that joysticks always have gamepad buttons in order to distinguish them 865e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown // from other devices such as accelerometers that also have absolute axes. 866e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown if (haveGamepadButtons 867e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown && !(device->classes & INPUT_DEVICE_CLASS_TOUCH) 868e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown && containsNonZeroByte(abs_bitmask, 0, sizeof_bit_array(ABS_MAX + 1))) { 869e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown device->classes |= INPUT_DEVICE_CLASS_JOYSTICK; 870e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown } 871e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // figure out the switches this device reports 8736f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown bool haveSwitches = false; 8746f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown for (int i=0; i<EV_SW; i++) { 8756f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown //LOGI("Device %d sw %d: has=%d", device->id, i, test_bit(i, sw_bitmask)); 8766f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (test_bit(i, sw_bitmask)) { 8776f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown haveSwitches = true; 8786f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (mSwitches[i] == 0) { 8796f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown mSwitches[i] = device->id; 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8836f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (haveSwitches) { 8846d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown device->classes |= INPUT_DEVICE_CLASS_SWITCH; 8856d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 88758a2da843f2f22f406df8df1f011738eb8b7fcb1Jeff Brown if ((device->classes & INPUT_DEVICE_CLASS_TOUCH)) { 8889065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Load the virtual keys for the touch screen, if any. 8899065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // We do this now so that we can make sure to load the keymap if necessary. 8909065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown status_t status = loadVirtualKeyMap(device); 8919065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (!status) { 8929065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->classes |= INPUT_DEVICE_CLASS_KEYBOARD; 893497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 8949065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 8959065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 896e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown // Load the key map. 897e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown // We need to do this for joysticks too because the key layout may specify axes. 898e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown status_t keyMapStatus = NAME_NOT_FOUND; 899e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown if (device->classes & (INPUT_DEVICE_CLASS_KEYBOARD | INPUT_DEVICE_CLASS_JOYSTICK)) { 9009065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Load the keymap for the device. 901e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown keyMapStatus = loadKeyMap(device); 902e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown } 9039065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 904e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown // Configure the keyboard, gamepad or virtual keyboard. 905e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown if (device->classes & INPUT_DEVICE_CLASS_KEYBOARD) { 9069065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Set system properties for the keyboard. 907497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown setKeyboardProperties(device, false); 908497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 9099065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Register the keyboard as a built-in keyboard if it is eligible. 910e7b2029a0b7b948daf2d6accbc200a56d72f96caJeff Brown if (!keyMapStatus 9119065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown && mBuiltInKeyboardId == -1 9129065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown && isEligibleBuiltInKeyboard(device->identifier, 9139065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->configuration, &device->keyMap)) { 9149065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mBuiltInKeyboardId = device->id; 9159065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown setKeyboardProperties(device, true); 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9180dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn // 'Q' key support = cheap test of whether this is an alpha-capable kbd 919f2f487183052865d50c004a835360be1728b5a52Jeff Brown if (hasKeycodeLocked(device, AKEYCODE_Q)) { 92046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown device->classes |= INPUT_DEVICE_CLASS_ALPHAKEY; 9210dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 922497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 923fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // See if this device has a DPAD. 924f2f487183052865d50c004a835360be1728b5a52Jeff Brown if (hasKeycodeLocked(device, AKEYCODE_DPAD_UP) && 925f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_DOWN) && 926f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_LEFT) && 927f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_RIGHT) && 928f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_CENTER)) { 92946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown device->classes |= INPUT_DEVICE_CLASS_DPAD; 9300dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 931497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 932fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // See if this device has a gamepad. 9331d79a9d9f85f932a1fd6dcddba335450b65ba4e6Kenny Root for (size_t i = 0; i < sizeof(GAMEPAD_KEYCODES)/sizeof(GAMEPAD_KEYCODES[0]); i++) { 934f2f487183052865d50c004a835360be1728b5a52Jeff Brown if (hasKeycodeLocked(device, GAMEPAD_KEYCODES[i])) { 935fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown device->classes |= INPUT_DEVICE_CLASS_GAMEPAD; 936fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown break; 937fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 938fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 941aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil // If the device isn't recognized as something we handle, don't monitor it. 942aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil if (device->classes == 0) { 9439065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGV("Dropping device: id=%d, path='%s', name='%s'", 9449065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown deviceId, devicePath, device->identifier.name.string()); 945aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil delete device; 946aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil return -1; 947aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil } 948aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil 94956194ebec6212e229f4ccdaa4b187166d20013efJeff Brown // Determine whether the device is external or internal. 95056194ebec6212e229f4ccdaa4b187166d20013efJeff Brown if (isExternalDevice(device)) { 95156194ebec6212e229f4ccdaa4b187166d20013efJeff Brown device->classes |= INPUT_DEVICE_CLASS_EXTERNAL; 95256194ebec6212e229f4ccdaa4b187166d20013efJeff Brown } 95356194ebec6212e229f4ccdaa4b187166d20013efJeff Brown 9549065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI("New device: id=%d, fd=%d, path='%s', name='%s', classes=0x%x, " 9559065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown "configuration='%s', keyLayout='%s', keyCharacterMap='%s', builtinKeyboard=%s", 9569065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown deviceId, fd, devicePath, device->identifier.name.string(), 9579065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->classes, 9589065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->configurationFile.string(), 9599065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->keyMap.keyLayoutFile.string(), 9609065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->keyMap.keyCharacterMapFile.string(), 9619065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown toString(mBuiltInKeyboardId == deviceId)); 9629065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 9639065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown struct pollfd pollfd; 9649065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown pollfd.fd = fd; 9659065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown pollfd.events = POLLIN; 9669065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown pollfd.revents = 0; 9679065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mFds.push(pollfd); 9689065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mDevices.push(device); 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project device->next = mOpeningDevices; 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOpeningDevices = device; 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9759065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownvoid EventHub::loadConfiguration(Device* device) { 9769065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->configurationFile = getInputDeviceConfigurationFilePathByDeviceIdentifier( 9779065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier, INPUT_DEVICE_CONFIGURATION_FILE_TYPE_CONFIGURATION); 97847e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown if (device->configurationFile.isEmpty()) { 9799065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGD("No input device configuration file found for device '%s'.", 9809065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier.name.string()); 98147e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } else { 98247e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown status_t status = PropertyMap::load(device->configurationFile, 98347e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown &device->configuration); 98447e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown if (status) { 9859065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("Error loading input device configuration file for device '%s'. " 9869065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown "Using default configuration.", 9879065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier.name.string()); 98847e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } 98947e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } 99047e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown} 99147e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown 9929065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownstatus_t EventHub::loadVirtualKeyMap(Device* device) { 9939065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // The virtual key map is supplied by the kernel as a system board property file. 9949065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown String8 path; 9959065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown path.append("/sys/board_properties/virtualkeys."); 9969065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown path.append(device->identifier.name); 9979065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (access(path.string(), R_OK)) { 9989065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return NAME_NOT_FOUND; 9999065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 10009065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return VirtualKeyMap::load(path, &device->virtualKeyMap); 1001497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 1002497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 10039065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownstatus_t EventHub::loadKeyMap(Device* device) { 10049065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return device->keyMap.load(device->identifier, device->configuration); 1005497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 1006497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 10079065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownvoid EventHub::setKeyboardProperties(Device* device, bool builtInKeyboard) { 10089065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int32_t id = builtInKeyboard ? 0 : device->id; 10099065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown android::setKeyboardProperties(id, device->identifier, 10109065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->keyMap.keyLayoutFile, device->keyMap.keyCharacterMapFile); 10119065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown} 10129065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 10139065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownvoid EventHub::clearKeyboardProperties(Device* device, bool builtInKeyboard) { 10149065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int32_t id = builtInKeyboard ? 0 : device->id; 10156b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown android::clearKeyboardProperties(id); 1016497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 1017497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 101856194ebec6212e229f4ccdaa4b187166d20013efJeff Brownbool EventHub::isExternalDevice(Device* device) { 101956194ebec6212e229f4ccdaa4b187166d20013efJeff Brown if (device->configuration) { 102056194ebec6212e229f4ccdaa4b187166d20013efJeff Brown bool value; 102156194ebec6212e229f4ccdaa4b187166d20013efJeff Brown if (device->configuration->tryGetProperty(String8("device.internal"), value) 102256194ebec6212e229f4ccdaa4b187166d20013efJeff Brown && value) { 102356194ebec6212e229f4ccdaa4b187166d20013efJeff Brown return false; 102456194ebec6212e229f4ccdaa4b187166d20013efJeff Brown } 102556194ebec6212e229f4ccdaa4b187166d20013efJeff Brown } 102656194ebec6212e229f4ccdaa4b187166d20013efJeff Brown return device->identifier.bus == BUS_USB || device->identifier.bus == BUS_BLUETOOTH; 102756194ebec6212e229f4ccdaa4b187166d20013efJeff Brown} 102856194ebec6212e229f4ccdaa4b187166d20013efJeff Brown 10299065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownbool EventHub::hasKeycodeLocked(Device* device, int keycode) const { 10309065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (!device->keyMap.haveKeyLayout() || !device->keyBitmask) { 10310dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn return false; 10320dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 10330dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn 10340dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn Vector<int32_t> scanCodes; 10356f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->keyMap.keyLayoutMap->findScanCodesForKey(keycode, &scanCodes); 10360dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn const size_t N = scanCodes.size(); 10370dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn for (size_t i=0; i<N && i<=KEY_MAX; i++) { 10380dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn int32_t sc = scanCodes.itemAt(i); 10390dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, device->keyBitmask)) { 10400dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn return true; 10410dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 10420dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 10430dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn 10440dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn return false; 10450dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn} 10460dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn 10479065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownint EventHub::closeDevice(const char *devicePath) { 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 10497342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown 10509065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown for (size_t i = FIRST_ACTUAL_DEVICE_INDEX; i < mDevices.size(); i++) { 10519065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = mDevices[i]; 10529065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device->path == devicePath) { 105333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown return closeDeviceAtIndexLocked(i); 105433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 105533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 105633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown LOGV("Remove device: %s not found, device may already have been removed.", devicePath); 105733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown return -1; 105833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown} 10599065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 106033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brownint EventHub::closeDeviceAtIndexLocked(int index) { 106133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown Device* device = mDevices[index]; 106233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown LOGI("Removed device: path=%s name=%s id=%d fd=%d classes=0x%x\n", 106333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->path.string(), device->identifier.name.string(), device->id, 106433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->fd, device->classes); 10659065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 106633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown for (int j=0; j<EV_SW; j++) { 106733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (mSwitches[j] == device->id) { 106833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown mSwitches[j] = 0; 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 107133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 107233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (device->id == mBuiltInKeyboardId) { 107333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown LOGW("built-in keyboard device %s (id=%d) is closing! the apps will not like this", 107433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->path.string(), mBuiltInKeyboardId); 107533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown mBuiltInKeyboardId = -1; 107633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown clearKeyboardProperties(device, true); 107733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 107833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown clearKeyboardProperties(device, false); 107933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 108033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown mFds.removeAt(index); 108133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown mDevices.removeAt(index); 108233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->close(); 108333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 108433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->next = mClosingDevices; 108533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown mClosingDevices = device; 108633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown return 0; 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10897342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brownint EventHub::readNotify(int nfd) { 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef HAVE_INOTIFY 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int res; 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char devname[PATH_MAX]; 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char *filename; 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char event_buf[512]; 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int event_size; 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int event_pos = 0; 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct inotify_event *event; 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10997342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown LOGV("EventHub::readNotify nfd: %d\n", nfd); 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res = read(nfd, event_buf, sizeof(event_buf)); 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(res < (int)sizeof(*event)) { 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(errno == EINTR) 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("could not get event, %s\n", strerror(errno)); 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1; 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("got %d bytes of event information\n", res); 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11099065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown strcpy(devname, DEVICE_PATH); 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filename = devname + strlen(devname); 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *filename++ = '/'; 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while(res >= (int)sizeof(*event)) { 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project event = (struct inotify_event *)(event_buf + event_pos); 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("%d: %08x \"%s\"\n", event->wd, event->mask, event->len ? event->name : ""); 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(event->len) { 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcpy(filename, event->name); 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(event->mask & IN_CREATE) { 11197342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown openDevice(devname); 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else { 11227342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown closeDevice(devname); 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project event_size = sizeof(*event) + event->len; 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res -= event_size; 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project event_pos += event_size; 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11337342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brownint EventHub::scanDir(const char *dirname) 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char devname[PATH_MAX]; 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char *filename; 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR *dir; 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent *de; 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dir = opendir(dirname); 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(dir == NULL) 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcpy(devname, dirname); 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filename = devname + strlen(devname); 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *filename++ = '/'; 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while((de = readdir(dir))) { 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(de->d_name[0] == '.' && 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (de->d_name[1] == '\0' || 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (de->d_name[1] == '.' && de->d_name[2] == '\0'))) 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcpy(filename, de->d_name); 11517342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown openDevice(devname); 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dir); 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1157f2f487183052865d50c004a835360be1728b5a52Jeff Brownvoid EventHub::dump(String8& dump) { 1158f2f487183052865d50c004a835360be1728b5a52Jeff Brown dump.append("Event Hub State:\n"); 1159f2f487183052865d50c004a835360be1728b5a52Jeff Brown 1160f2f487183052865d50c004a835360be1728b5a52Jeff Brown { // acquire lock 1161f2f487183052865d50c004a835360be1728b5a52Jeff Brown AutoMutex _l(mLock); 1162f2f487183052865d50c004a835360be1728b5a52Jeff Brown 11639065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown dump.appendFormat(INDENT "BuiltInKeyboardId: %d\n", mBuiltInKeyboardId); 1164f2f487183052865d50c004a835360be1728b5a52Jeff Brown 1165f2f487183052865d50c004a835360be1728b5a52Jeff Brown dump.append(INDENT "Devices:\n"); 1166f2f487183052865d50c004a835360be1728b5a52Jeff Brown 11679065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown for (size_t i = FIRST_ACTUAL_DEVICE_INDEX; i < mDevices.size(); i++) { 11689065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown const Device* device = mDevices[i]; 1169f2f487183052865d50c004a835360be1728b5a52Jeff Brown if (device) { 11709065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (mBuiltInKeyboardId == device->id) { 11719065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown dump.appendFormat(INDENT2 "%d: %s (aka device 0 - built-in keyboard)\n", 11729065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->id, device->identifier.name.string()); 1173f2f487183052865d50c004a835360be1728b5a52Jeff Brown } else { 11749065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown dump.appendFormat(INDENT2 "%d: %s\n", device->id, 11759065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier.name.string()); 1176f2f487183052865d50c004a835360be1728b5a52Jeff Brown } 1177f2f487183052865d50c004a835360be1728b5a52Jeff Brown dump.appendFormat(INDENT3 "Classes: 0x%08x\n", device->classes); 1178f2f487183052865d50c004a835360be1728b5a52Jeff Brown dump.appendFormat(INDENT3 "Path: %s\n", device->path.string()); 11799065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown dump.appendFormat(INDENT3 "Location: %s\n", device->identifier.location.string()); 11809065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown dump.appendFormat(INDENT3 "UniqueId: %s\n", device->identifier.uniqueId.string()); 11819065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown dump.appendFormat(INDENT3 "Identifier: bus=0x%04x, vendor=0x%04x, " 11829065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown "product=0x%04x, version=0x%04x\n", 11839065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier.bus, device->identifier.vendor, 11849065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier.product, device->identifier.version); 11856b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown dump.appendFormat(INDENT3 "KeyLayoutFile: %s\n", 11869065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->keyMap.keyLayoutFile.string()); 11876b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown dump.appendFormat(INDENT3 "KeyCharacterMapFile: %s\n", 11889065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->keyMap.keyCharacterMapFile.string()); 118947e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown dump.appendFormat(INDENT3 "ConfigurationFile: %s\n", 119047e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown device->configurationFile.string()); 1191f2f487183052865d50c004a835360be1728b5a52Jeff Brown } 1192f2f487183052865d50c004a835360be1728b5a52Jeff Brown } 1193f2f487183052865d50c004a835360be1728b5a52Jeff Brown } // release lock 1194f2f487183052865d50c004a835360be1728b5a52Jeff Brown} 1195f2f487183052865d50c004a835360be1728b5a52Jeff Brown 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; // namespace android 1197