EventHub.cpp revision 56194ebec6212e229f4ccdaa4b187166d20013ef
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 3556f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brownstatus_t EventHub::mapAxis(int32_t deviceId, int scancode, 3566f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown int32_t* outAxis) const 3576f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown{ 3586f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown AutoMutex _l(mLock); 3596f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown Device* device = getDeviceLocked(deviceId); 3606f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 3616f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (device && device->keyMap.haveKeyLayout()) { 3626f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown status_t err = device->keyMap.keyLayoutMap->mapAxis(scancode, outAxis); 3636f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (err == NO_ERROR) { 3646f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown return NO_ERROR; 3656f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 3666f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 3676f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 3686f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (mBuiltInKeyboardId != -1) { 3696f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device = getDeviceLocked(mBuiltInKeyboardId); 3706f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 3716f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (device && device->keyMap.haveKeyLayout()) { 3726f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown status_t err = device->keyMap.keyLayoutMap->mapAxis(scancode, outAxis); 3736f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (err == NO_ERROR) { 3746f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown return NO_ERROR; 3756f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 3766f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 3776f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } 3786f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 3796f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown *outAxis = -1; 3806f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown return NAME_NOT_FOUND; 3816f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown} 3826f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 3831d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwoodvoid EventHub::addExcludedDevice(const char* deviceName) 3841d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood{ 385f2f487183052865d50c004a835360be1728b5a52Jeff Brown AutoMutex _l(mLock); 386f2f487183052865d50c004a835360be1728b5a52Jeff Brown 3871d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood String8 name(deviceName); 3881d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood mExcludedDevices.push_back(name); 3891d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood} 3901d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 391497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brownbool EventHub::hasLed(int32_t deviceId, int32_t led) const { 392497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown AutoMutex _l(mLock); 3939065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 394497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown if (device) { 395497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown uint8_t bitmask[sizeof_bit_array(LED_MAX + 1)]; 396497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown memset(bitmask, 0, sizeof(bitmask)); 397497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown if (ioctl(device->fd, EVIOCGBIT(EV_LED, sizeof(bitmask)), bitmask) >= 0) { 398497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown if (test_bit(led, bitmask)) { 399497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown return true; 400497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 401497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 402497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 403497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown return false; 404497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 405497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 406497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brownvoid EventHub::setLedState(int32_t deviceId, int32_t led, bool on) { 407497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown AutoMutex _l(mLock); 4089065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 409497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown if (device) { 410497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown struct input_event ev; 411497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.time.tv_sec = 0; 412497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.time.tv_usec = 0; 413497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.type = EV_LED; 414497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.code = led; 415497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ev.value = on ? 1 : 0; 416497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 417497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown ssize_t nWrite; 418497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown do { 419497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown nWrite = write(device->fd, &ev, sizeof(struct input_event)); 420497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } while (nWrite == -1 && errno == EINTR); 421497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 422497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 423497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 4249065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownvoid EventHub::getVirtualKeyDefinitions(int32_t deviceId, 4259065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Vector<VirtualKeyDefinition>& outVirtualKeys) const { 4269065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown outVirtualKeys.clear(); 4279065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 4289065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown AutoMutex _l(mLock); 4299065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = getDeviceLocked(deviceId); 4309065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device && device->virtualKeyMap) { 4319065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown outVirtualKeys.appendVector(device->virtualKeyMap->getVirtualKeys()); 4329065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 4339065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown} 4349065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 4359065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff BrownEventHub::Device* EventHub::getDeviceLocked(int32_t deviceId) const { 4369065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (deviceId == 0) { 4379065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown deviceId = mBuiltInKeyboardId; 4389065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 4399065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 4409065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown size_t numDevices = mDevices.size(); 4419065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown for (size_t i = FIRST_ACTUAL_DEVICE_INDEX; i < numDevices; i++) { 4429065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = mDevices[i]; 4439065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device->id == deviceId) { 4449065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return device; 4459065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4509065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownbool EventHub::getEvent(RawEvent* outEvent) { 4516d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->deviceId = 0; 4526d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->type = 0; 4536d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->scanCode = 0; 4546d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->keyCode = 0; 4556d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->flags = 0; 4566d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->value = 0; 4576d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->when = 0; 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Note that we only allow one caller to getEvent(), so don't need 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to do locking here... only when adding/removing devices. 4611d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 4621d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood if (!mOpened) { 4631d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood mError = openPlatformInput() ? NO_ERROR : UNKNOWN_ERROR; 4641d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood mOpened = true; 4657342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown mNeedToSendFinishedDeviceScan = true; 4661d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood } 4671d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 468cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown for (;;) { 469cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Report any devices that had last been added/removed. 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mClosingDevices != NULL) { 4719065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = mClosingDevices; 4729065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGV("Reporting device closed: id=%d, name=%s\n", 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project device->id, device->path.string()); 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mClosingDevices = device->next; 4759065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device->id == mBuiltInKeyboardId) { 4766d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->deviceId = 0; 4776d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } else { 4786d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->deviceId = device->id; 4796d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 4806d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->type = DEVICE_REMOVED; 481c3db858de9fa152480b9cf53c8c0cb793a280722Jeff Brown outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC); 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete device; 4837342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown mNeedToSendFinishedDeviceScan = true; 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4866d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOpeningDevices != NULL) { 4889065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = mOpeningDevices; 4899065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGV("Reporting device opened: id=%d, name=%s\n", 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project device->id, device->path.string()); 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOpeningDevices = device->next; 4929065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device->id == mBuiltInKeyboardId) { 4936d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->deviceId = 0; 4946d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } else { 4956d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->deviceId = device->id; 4966d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 4976d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown outEvent->type = DEVICE_ADDED; 498c3db858de9fa152480b9cf53c8c0cb793a280722Jeff Brown outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC); 4997342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown mNeedToSendFinishedDeviceScan = true; 5007342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown return true; 5017342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown } 5027342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown 5037342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown if (mNeedToSendFinishedDeviceScan) { 5047342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown mNeedToSendFinishedDeviceScan = false; 5057342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown outEvent->type = FINISHED_DEVICE_SCAN; 506c3db858de9fa152480b9cf53c8c0cb793a280722Jeff Brown outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC); 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 510cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Grab the next input event. 51133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown bool deviceWasRemoved = false; 512cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown for (;;) { 513cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Consume buffered input events, if any. 514cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (mInputBufferIndex < mInputBufferCount) { 515cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown const struct input_event& iev = mInputBufferData[mInputBufferIndex++]; 5169065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown const Device* device = mDevices[mInputFdIndex]; 517cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 518cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown LOGV("%s got: t0=%d, t1=%d, type=%d, code=%d, v=%d", device->path.string(), 519cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown (int) iev.time.tv_sec, (int) iev.time.tv_usec, iev.type, iev.code, iev.value); 5209065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device->id == mBuiltInKeyboardId) { 521cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown outEvent->deviceId = 0; 522cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } else { 523cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown outEvent->deviceId = device->id; 524cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 525cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown outEvent->type = iev.type; 526cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown outEvent->scanCode = iev.code; 5276b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown outEvent->flags = 0; 528cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (iev.type == EV_KEY) { 5296b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown outEvent->keyCode = AKEYCODE_UNKNOWN; 5309065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device->keyMap.haveKeyLayout()) { 5316f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown status_t err = device->keyMap.keyLayoutMap->mapKey(iev.code, 5326b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown &outEvent->keyCode, &outEvent->flags); 5336b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown LOGV("iev.code=%d keyCode=%d flags=0x%08x err=%d\n", 5346b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown iev.code, outEvent->keyCode, outEvent->flags, err); 535cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 536cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } else { 537cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown outEvent->keyCode = iev.code; 538cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 539cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown outEvent->value = iev.value; 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 541cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Use an event timestamp in the same timebase as 542cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // java.lang.System.nanoTime() and android.os.SystemClock.uptimeMillis() 543cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // as expected by the rest of the system. 544cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC); 545cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown return true; 546cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 548cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Finish reading all events from devices identified in previous poll(). 549cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // This code assumes that mInputDeviceIndex is initially 0 and that the 550cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // revents member of pollfd is initialized to 0 when the device is first added. 5519065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Since mFds[0] is used for inotify, we process regular events starting at index 1. 5529065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mInputFdIndex += 1; 5539065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (mInputFdIndex >= mFds.size()) { 554cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown break; 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5579065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown const struct pollfd& pfd = mFds[mInputFdIndex]; 558cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (pfd.revents & POLLIN) { 559cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown int32_t readSize = read(pfd.fd, mInputBufferData, 560cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown sizeof(struct input_event) * INPUT_BUFFER_SIZE); 561cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (readSize < 0) { 56233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (errno == ENODEV) { 56333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown deviceWasRemoved = true; 56433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown break; 56533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 566cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (errno != EAGAIN && errno != EINTR) { 567cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown LOGW("could not get event (errno=%d)", errno); 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 569cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } else if ((readSize % sizeof(struct input_event)) != 0) { 570cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown LOGE("could not get event (wrong size: %d)", readSize); 571cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } else { 5729065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mInputBufferCount = size_t(readSize) / sizeof(struct input_event); 573cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown mInputBufferIndex = 0; 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 577cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 57833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown // Handle the case where a device has been removed but INotify has not yet noticed. 57933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (deviceWasRemoved) { 58033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown AutoMutex _l(mLock); 58133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown closeDeviceAtIndexLocked(mInputFdIndex); 58233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown continue; // report added or removed devices immediately 58333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 58433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 585a9b84229a3e9e0ae15e3e964985fac2314247be2Jeff Brown#if HAVE_INOTIFY 5867342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown // readNotify() will modify mFDs and mFDCount, so this must be done after 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // processing all other events. 5889065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(mFds[0].revents & POLLIN) { 5899065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown readNotify(mFds[0].fd); 5909065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mFds.editItemAt(0).revents = 0; 591a9b84229a3e9e0ae15e3e964985fac2314247be2Jeff Brown continue; // report added or removed devices immediately 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 593a9b84229a3e9e0ae15e3e964985fac2314247be2Jeff Brown#endif 594a9b84229a3e9e0ae15e3e964985fac2314247be2Jeff Brown 595cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // Poll for events. Mind the wake lock dance! 596cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // We hold a wake lock at all times except during poll(). This works due to some 597cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // subtle choreography. When a device driver has pending (unread) events, it acquires 598cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // a kernel wake lock. However, once the last pending event has been read, the device 599cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // driver will release the kernel wake lock. To prevent the system from going to sleep 600cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // when this happens, the EventHub holds onto its own user wake lock while the client 601cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // is processing events. Thus the system can only sleep if there are no events 602cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown // pending or currently being processed. 603cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown release_wake_lock(WAKE_LOCK_ID); 604cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 6059065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int pollResult = poll(mFds.editArray(), mFds.size(), -1); 606cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 607cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID); 608cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 609cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (pollResult <= 0) { 610cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown if (errno != EINTR) { 611a9b84229a3e9e0ae15e3e964985fac2314247be2Jeff Brown LOGW("poll failed (errno=%d)\n", errno); 612cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown usleep(100000); 613cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 614cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 61533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 61633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown // Prepare to process all of the FDs we just polled. 61733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown mInputFdIndex = 0; 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open the platform-specific input device. 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6249065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownbool EventHub::openPlatformInput(void) { 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open platform-specific input device(s). 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6289065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int res, fd; 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef HAVE_INOTIFY 6319065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown fd = inotify_init(); 6329065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown res = inotify_add_watch(fd, DEVICE_PATH, IN_DELETE | IN_CREATE); 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(res < 0) { 6349065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("could not add watch for %s, %s\n", DEVICE_PATH, strerror(errno)); 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#else 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The code in EventHub::getEvent assumes that mFDs[0] is an inotify fd. 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We allocate space for it and set it to something invalid. 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6419065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown fd = -1; 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6449065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Reserve fd index 0 for inotify. 6459065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown struct pollfd pollfd; 6469065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown pollfd.fd = fd; 6479065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown pollfd.events = POLLIN; 6489065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown pollfd.revents = 0; 6499065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mFds.push(pollfd); 6509065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mDevices.push(NULL); 6519065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 6529065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown res = scanDir(DEVICE_PATH); 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(res < 0) { 6549065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("scan dir failed for %s\n", DEVICE_PATH); 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 662fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brownstatic bool containsNonZeroByte(const uint8_t* array, uint32_t startIndex, uint32_t endIndex) { 663fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown const uint8_t* end = array + endIndex; 664fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown array += startIndex; 665fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown while (array != end) { 666fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown if (*(array++) != 0) { 667fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown return true; 668fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 669fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 670fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown return false; 671fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown} 672fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 673fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brownstatic const int32_t GAMEPAD_KEYCODES[] = { 674fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_A, AKEYCODE_BUTTON_B, AKEYCODE_BUTTON_C, 675fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_X, AKEYCODE_BUTTON_Y, AKEYCODE_BUTTON_Z, 676fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_L1, AKEYCODE_BUTTON_R1, 677fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_L2, AKEYCODE_BUTTON_R2, 678fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown AKEYCODE_BUTTON_THUMBL, AKEYCODE_BUTTON_THUMBR, 679cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_START, AKEYCODE_BUTTON_SELECT, AKEYCODE_BUTTON_MODE, 680cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_1, AKEYCODE_BUTTON_2, AKEYCODE_BUTTON_3, AKEYCODE_BUTTON_4, 681cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_5, AKEYCODE_BUTTON_6, AKEYCODE_BUTTON_7, AKEYCODE_BUTTON_8, 682cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_9, AKEYCODE_BUTTON_10, AKEYCODE_BUTTON_11, AKEYCODE_BUTTON_12, 683cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown AKEYCODE_BUTTON_13, AKEYCODE_BUTTON_14, AKEYCODE_BUTTON_15, AKEYCODE_BUTTON_16, 684fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown}; 685fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 6869065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownint EventHub::openDevice(const char *devicePath) { 6879065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown char buffer[80]; 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6899065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGV("Opening device: %s", devicePath); 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 692e6b1bbd8acca3f6e174c24cf4eb23a66db2d08a2Nick Pelly 6939065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int fd = open(devicePath, O_RDWR); 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(fd < 0) { 6959065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("could not open %s, %s\n", devicePath, strerror(errno)); 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6999065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown InputDeviceIdentifier identifier; 7009065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 7019065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device name. 7029065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGNAME(sizeof(buffer) - 1), &buffer) < 1) { 7039065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown //fprintf(stderr, "could not get device name for %s, %s\n", devicePath, strerror(errno)); 7049065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } else { 7059065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown buffer[sizeof(buffer) - 1] = '\0'; 7069065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.name.setTo(buffer); 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7099065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Check to see if the device is on our excluded list 7101d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood List<String8>::iterator iter = mExcludedDevices.begin(); 7111d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood List<String8>::iterator end = mExcludedDevices.end(); 7121d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood for ( ; iter != end; iter++) { 71315431a9482cedcfee7f5badc05c436e2c7cc7997Mike Lockwood const char* test = *iter; 7149065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (identifier.name == test) { 7159065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI("ignoring event id %s driver %s\n", devicePath, test); 7161d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood close(fd); 7171d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood return -1; 7181d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood } 7191d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood } 7201d9dfc5dcf459e85cffcb762ffdb9b9a4abbfd67Mike Lockwood 7219065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device driver version. 7229065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int driverVersion; 7239065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGVERSION, &driverVersion)) { 7249065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("could not get driver version for %s, %s\n", devicePath, strerror(errno)); 725cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown close(fd); 726cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown return -1; 727cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown } 728cc2e717f1d43a836d1abdee06bcb946416d06fd6Jeff Brown 7299065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device identifier. 7309065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown struct input_id inputId; 7319065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGID, &inputId)) { 7329065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("could not get device input id for %s, %s\n", devicePath, strerror(errno)); 7339065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown close(fd); 7349065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return -1; 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7369065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.bus = inputId.bustype; 7379065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.product = inputId.product; 7389065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.vendor = inputId.vendor; 7399065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.version = inputId.version; 7409065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 7419065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device physical location. 7429065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGPHYS(sizeof(buffer) - 1), &buffer) < 1) { 7439065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown //fprintf(stderr, "could not get location for %s, %s\n", devicePath, strerror(errno)); 7449065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } else { 7459065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown buffer[sizeof(buffer) - 1] = '\0'; 7469065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.location.setTo(buffer); 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7499065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Get device unique id. 7509065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if(ioctl(fd, EVIOCGUNIQ(sizeof(buffer) - 1), &buffer) < 1) { 7519065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown //fprintf(stderr, "could not get idstring for %s, %s\n", devicePath, strerror(errno)); 7529065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } else { 7539065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown buffer[sizeof(buffer) - 1] = '\0'; 7549065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.uniqueId.setTo(buffer); 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7579065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Make file descriptor non-blocking for use with poll(). 7589065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (fcntl(fd, F_SETFL, O_NONBLOCK)) { 7599065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("Error %d making device file descriptor non-blocking.", errno); 7609065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown close(fd); 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7639065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 7649065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Allocate device. (The device object takes ownership of the fd at this point.) 7659065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int32_t deviceId = mNextDeviceId++; 7669065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = new Device(fd, deviceId, String8(devicePath), identifier); 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if 0 7699065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI("add device %d: %s\n", deviceId, devicePath); 7709065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI(" bus: %04x\n" 7719065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown " vendor %04x\n" 7729065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown " product %04x\n" 7739065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown " version %04x\n", 7749065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown identifier.bus, identifier.vendor, identifier.product, identifier.version); 7759065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI(" name: \"%s\"\n", identifier.name.string()); 7769065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI(" location: \"%s\"\n", identifier.location.string()); 7779065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI(" unique id: \"%s\"\n", identifier.uniqueId.string()); 7789065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI(" driver: v%d.%d.%d\n", 7799065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown driverVersion >> 16, (driverVersion >> 8) & 0xff, driverVersion & 0xff); 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 78247e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown // Load the configuration file for the device. 78347e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown loadConfiguration(device); 78447e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown 785fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // Figure out the kinds of events the device reports. 786fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)]; 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memset(key_bitmask, 0, sizeof(key_bitmask)); 7886f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(key_bitmask)), key_bitmask); 789fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 7906f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown uint8_t abs_bitmask[sizeof_bit_array(ABS_MAX + 1)]; 7916f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown memset(abs_bitmask, 0, sizeof(abs_bitmask)); 7926f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask); 793fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 7946f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown uint8_t rel_bitmask[sizeof_bit_array(REL_MAX + 1)]; 7956f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown memset(rel_bitmask, 0, sizeof(rel_bitmask)); 7966f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown ioctl(fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask); 7976f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 7986f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown uint8_t sw_bitmask[sizeof_bit_array(SW_MAX + 1)]; 7996f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown memset(sw_bitmask, 0, sizeof(sw_bitmask)); 8006f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown ioctl(fd, EVIOCGBIT(EV_SW, sizeof(sw_bitmask)), sw_bitmask); 8016f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 802cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown device->keyBitmask = new uint8_t[sizeof(key_bitmask)]; 803cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown if (device->keyBitmask != NULL) { 804cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown memcpy(device->keyBitmask, key_bitmask, sizeof(key_bitmask)); 805cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown } else { 806cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown delete device; 807cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown LOGE("out of memory allocating key bitmask"); 808cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown return -1; 809cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown } 810cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown 811cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown device->relBitmask = new uint8_t[sizeof(rel_bitmask)]; 812cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown if (device->relBitmask != NULL) { 813cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown memcpy(device->relBitmask, rel_bitmask, sizeof(rel_bitmask)); 814cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown } else { 815cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown delete device; 816cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown LOGE("out of memory allocating rel bitmask"); 817cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown return -1; 818cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown } 819cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown 8206f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // See if this is a keyboard. Ignore everything in the button range except for 8216f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // joystick and gamepad buttons which are handled like keyboards for the most part. 8226f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown bool haveKeyboardKeys = containsNonZeroByte(key_bitmask, 0, sizeof_bit_array(BTN_MISC)) 8236f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown || containsNonZeroByte(key_bitmask, sizeof_bit_array(KEY_OK), 8246f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown sizeof_bit_array(KEY_MAX + 1)); 8256f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown bool haveGamepadButtons =containsNonZeroByte(key_bitmask, sizeof_bit_array(BTN_JOYSTICK), 8266f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown sizeof_bit_array(BTN_DIGI)); 8276f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (haveKeyboardKeys || haveGamepadButtons) { 8286f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->classes |= INPUT_DEVICE_CLASS_KEYBOARD; 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8306f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown 83183c09685f2e62bc3cf7e71bc61d903f4b9ccaeb4Jeff Brown // See if this is a cursor device such as a trackball or mouse. 8326f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (test_bit(BTN_MOUSE, key_bitmask) 8336f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown && test_bit(REL_X, rel_bitmask) 8346f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown && test_bit(REL_Y, rel_bitmask)) { 8356f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->classes |= INPUT_DEVICE_CLASS_CURSOR; 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 837fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown 838fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // See if this is a touch pad. 8396f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // Is this a new modern multi-touch driver? 8406f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (test_bit(ABS_MT_POSITION_X, abs_bitmask) 8416f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown && test_bit(ABS_MT_POSITION_Y, abs_bitmask)) { 8426f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // Some joysticks such as the PS3 controller report axes that conflict 8436f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // with the ABS_MT range. Try to confirm that the device really is 8446f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // a touch screen. 8456f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (test_bit(BTN_TOUCH, key_bitmask) || !haveGamepadButtons) { 84658a2da843f2f22f406df8df1f011738eb8b7fcb1Jeff Brown device->classes |= INPUT_DEVICE_CLASS_TOUCH | INPUT_DEVICE_CLASS_TOUCH_MT; 847fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 8486f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // Is this an old style single-touch driver? 8496f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown } else if (test_bit(BTN_TOUCH, key_bitmask) 8506f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown && test_bit(ABS_X, abs_bitmask) 8516f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown && test_bit(ABS_Y, abs_bitmask)) { 8526f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->classes |= INPUT_DEVICE_CLASS_TOUCH; 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // figure out the switches this device reports 8566f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown bool haveSwitches = false; 8576f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown for (int i=0; i<EV_SW; i++) { 8586f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown //LOGI("Device %d sw %d: has=%d", device->id, i, test_bit(i, sw_bitmask)); 8596f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (test_bit(i, sw_bitmask)) { 8606f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown haveSwitches = true; 8616f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (mSwitches[i] == 0) { 8626f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown mSwitches[i] = device->id; 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8666f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (haveSwitches) { 8676d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown device->classes |= INPUT_DEVICE_CLASS_SWITCH; 8686d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown } 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 87058a2da843f2f22f406df8df1f011738eb8b7fcb1Jeff Brown if ((device->classes & INPUT_DEVICE_CLASS_TOUCH)) { 8719065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Load the virtual keys for the touch screen, if any. 8729065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // We do this now so that we can make sure to load the keymap if necessary. 8739065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown status_t status = loadVirtualKeyMap(device); 8749065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (!status) { 8759065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->classes |= INPUT_DEVICE_CLASS_KEYBOARD; 876497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown } 8779065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 8789065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 8799065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if ((device->classes & INPUT_DEVICE_CLASS_KEYBOARD) != 0) { 8809065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Load the keymap for the device. 8819065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown status_t status = loadKeyMap(device); 8829065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 8839065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Set system properties for the keyboard. 884497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown setKeyboardProperties(device, false); 885497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 8869065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // Register the keyboard as a built-in keyboard if it is eligible. 8879065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (!status 8889065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown && mBuiltInKeyboardId == -1 8899065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown && isEligibleBuiltInKeyboard(device->identifier, 8909065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->configuration, &device->keyMap)) { 8919065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mBuiltInKeyboardId = device->id; 8929065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown setKeyboardProperties(device, true); 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8950dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn // 'Q' key support = cheap test of whether this is an alpha-capable kbd 896f2f487183052865d50c004a835360be1728b5a52Jeff Brown if (hasKeycodeLocked(device, AKEYCODE_Q)) { 89746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown device->classes |= INPUT_DEVICE_CLASS_ALPHAKEY; 8980dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 899497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 900fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // See if this device has a DPAD. 901f2f487183052865d50c004a835360be1728b5a52Jeff Brown if (hasKeycodeLocked(device, AKEYCODE_DPAD_UP) && 902f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_DOWN) && 903f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_LEFT) && 904f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_RIGHT) && 905f2f487183052865d50c004a835360be1728b5a52Jeff Brown hasKeycodeLocked(device, AKEYCODE_DPAD_CENTER)) { 90646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown device->classes |= INPUT_DEVICE_CLASS_DPAD; 9070dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 908497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 909fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown // See if this device has a gamepad. 9101d79a9d9f85f932a1fd6dcddba335450b65ba4e6Kenny Root for (size_t i = 0; i < sizeof(GAMEPAD_KEYCODES)/sizeof(GAMEPAD_KEYCODES[0]); i++) { 911f2f487183052865d50c004a835360be1728b5a52Jeff Brown if (hasKeycodeLocked(device, GAMEPAD_KEYCODES[i])) { 912fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown device->classes |= INPUT_DEVICE_CLASS_GAMEPAD; 913fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown break; 914fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 915fd03582995e0fce963dd0fa0669e3211b74c0dd7Jeff Brown } 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 918cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown // See if this device is a joystick. 919cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown // Ignore touchscreens because they use the same absolute axes for other purposes. 9206f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown // Assumes that joysticks always have buttons and the keymap has been loaded. 921cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown if (device->classes & INPUT_DEVICE_CLASS_GAMEPAD 9220a9f335e7088ade74d9e3fbc852d052de45603caJeff Brown && !(device->classes & INPUT_DEVICE_CLASS_TOUCH)) { 9236f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown if (containsNonZeroByte(abs_bitmask, 0, sizeof_bit_array(ABS_MAX + 1))) { 924cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown device->classes |= INPUT_DEVICE_CLASS_JOYSTICK; 925cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown } 926cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown } 927cb1404e45639d20439d7700b06d57ca1a1aad1faJeff Brown 928aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil // If the device isn't recognized as something we handle, don't monitor it. 929aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil if (device->classes == 0) { 9309065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGV("Dropping device: id=%d, path='%s', name='%s'", 9319065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown deviceId, devicePath, device->identifier.name.string()); 932aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil delete device; 933aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil return -1; 934aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil } 935aeb00c409d1ead2a3cb0f3d98b78de80adeec52bSean McNeil 93656194ebec6212e229f4ccdaa4b187166d20013efJeff Brown // Determine whether the device is external or internal. 93756194ebec6212e229f4ccdaa4b187166d20013efJeff Brown if (isExternalDevice(device)) { 93856194ebec6212e229f4ccdaa4b187166d20013efJeff Brown device->classes |= INPUT_DEVICE_CLASS_EXTERNAL; 93956194ebec6212e229f4ccdaa4b187166d20013efJeff Brown } 94056194ebec6212e229f4ccdaa4b187166d20013efJeff Brown 9419065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGI("New device: id=%d, fd=%d, path='%s', name='%s', classes=0x%x, " 9429065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown "configuration='%s', keyLayout='%s', keyCharacterMap='%s', builtinKeyboard=%s", 9439065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown deviceId, fd, devicePath, device->identifier.name.string(), 9449065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->classes, 9459065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->configurationFile.string(), 9469065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->keyMap.keyLayoutFile.string(), 9479065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->keyMap.keyCharacterMapFile.string(), 9489065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown toString(mBuiltInKeyboardId == deviceId)); 9499065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 9509065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown struct pollfd pollfd; 9519065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown pollfd.fd = fd; 9529065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown pollfd.events = POLLIN; 9539065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown pollfd.revents = 0; 9549065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mFds.push(pollfd); 9559065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown mDevices.push(device); 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project device->next = mOpeningDevices; 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOpeningDevices = device; 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9629065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownvoid EventHub::loadConfiguration(Device* device) { 9639065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->configurationFile = getInputDeviceConfigurationFilePathByDeviceIdentifier( 9649065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier, INPUT_DEVICE_CONFIGURATION_FILE_TYPE_CONFIGURATION); 96547e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown if (device->configurationFile.isEmpty()) { 9669065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGD("No input device configuration file found for device '%s'.", 9679065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier.name.string()); 96847e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } else { 96947e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown status_t status = PropertyMap::load(device->configurationFile, 97047e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown &device->configuration); 97147e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown if (status) { 9729065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown LOGE("Error loading input device configuration file for device '%s'. " 9739065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown "Using default configuration.", 9749065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier.name.string()); 97547e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } 97647e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown } 97747e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown} 97847e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown 9799065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownstatus_t EventHub::loadVirtualKeyMap(Device* device) { 9809065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown // The virtual key map is supplied by the kernel as a system board property file. 9819065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown String8 path; 9829065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown path.append("/sys/board_properties/virtualkeys."); 9839065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown path.append(device->identifier.name); 9849065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (access(path.string(), R_OK)) { 9859065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return NAME_NOT_FOUND; 9869065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown } 9879065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return VirtualKeyMap::load(path, &device->virtualKeyMap); 988497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 989497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 9909065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownstatus_t EventHub::loadKeyMap(Device* device) { 9919065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown return device->keyMap.load(device->identifier, device->configuration); 992497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 993497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 9949065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownvoid EventHub::setKeyboardProperties(Device* device, bool builtInKeyboard) { 9959065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int32_t id = builtInKeyboard ? 0 : device->id; 9969065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown android::setKeyboardProperties(id, device->identifier, 9979065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->keyMap.keyLayoutFile, device->keyMap.keyCharacterMapFile); 9989065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown} 9999065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 10009065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownvoid EventHub::clearKeyboardProperties(Device* device, bool builtInKeyboard) { 10019065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown int32_t id = builtInKeyboard ? 0 : device->id; 10026b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown android::clearKeyboardProperties(id); 1003497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 1004497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 100556194ebec6212e229f4ccdaa4b187166d20013efJeff Brownbool EventHub::isExternalDevice(Device* device) { 100656194ebec6212e229f4ccdaa4b187166d20013efJeff Brown if (device->configuration) { 100756194ebec6212e229f4ccdaa4b187166d20013efJeff Brown bool value; 100856194ebec6212e229f4ccdaa4b187166d20013efJeff Brown if (device->configuration->tryGetProperty(String8("device.internal"), value) 100956194ebec6212e229f4ccdaa4b187166d20013efJeff Brown && value) { 101056194ebec6212e229f4ccdaa4b187166d20013efJeff Brown return false; 101156194ebec6212e229f4ccdaa4b187166d20013efJeff Brown } 101256194ebec6212e229f4ccdaa4b187166d20013efJeff Brown } 101356194ebec6212e229f4ccdaa4b187166d20013efJeff Brown return device->identifier.bus == BUS_USB || device->identifier.bus == BUS_BLUETOOTH; 101456194ebec6212e229f4ccdaa4b187166d20013efJeff Brown} 101556194ebec6212e229f4ccdaa4b187166d20013efJeff Brown 10169065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownbool EventHub::hasKeycodeLocked(Device* device, int keycode) const { 10179065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (!device->keyMap.haveKeyLayout() || !device->keyBitmask) { 10180dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn return false; 10190dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 10200dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn 10210dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn Vector<int32_t> scanCodes; 10226f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown device->keyMap.keyLayoutMap->findScanCodesForKey(keycode, &scanCodes); 10230dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn const size_t N = scanCodes.size(); 10240dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn for (size_t i=0; i<N && i<=KEY_MAX; i++) { 10250dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn int32_t sc = scanCodes.itemAt(i); 10260dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, device->keyBitmask)) { 10270dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn return true; 10280dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 10290dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn } 10300dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn 10310dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn return false; 10320dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn} 10330dd7cb4b4ef86eb7d4e837b1948501da66adeebeDianne Hackborn 10349065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brownint EventHub::closeDevice(const char *devicePath) { 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 10367342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown 10379065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown for (size_t i = FIRST_ACTUAL_DEVICE_INDEX; i < mDevices.size(); i++) { 10389065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown Device* device = mDevices[i]; 10399065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (device->path == devicePath) { 104033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown return closeDeviceAtIndexLocked(i); 104133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 104233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 104333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown LOGV("Remove device: %s not found, device may already have been removed.", devicePath); 104433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown return -1; 104533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown} 10469065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 104733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brownint EventHub::closeDeviceAtIndexLocked(int index) { 104833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown Device* device = mDevices[index]; 104933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown LOGI("Removed device: path=%s name=%s id=%d fd=%d classes=0x%x\n", 105033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->path.string(), device->identifier.name.string(), device->id, 105133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->fd, device->classes); 10529065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown 105333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown for (int j=0; j<EV_SW; j++) { 105433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (mSwitches[j] == device->id) { 105533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown mSwitches[j] = 0; 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 105833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 105933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (device->id == mBuiltInKeyboardId) { 106033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown LOGW("built-in keyboard device %s (id=%d) is closing! the apps will not like this", 106133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->path.string(), mBuiltInKeyboardId); 106233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown mBuiltInKeyboardId = -1; 106333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown clearKeyboardProperties(device, true); 106433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 106533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown clearKeyboardProperties(device, false); 106633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 106733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown mFds.removeAt(index); 106833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown mDevices.removeAt(index); 106933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->close(); 107033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 107133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown device->next = mClosingDevices; 107233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown mClosingDevices = device; 107333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown return 0; 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10767342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brownint EventHub::readNotify(int nfd) { 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef HAVE_INOTIFY 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int res; 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char devname[PATH_MAX]; 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char *filename; 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char event_buf[512]; 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int event_size; 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int event_pos = 0; 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct inotify_event *event; 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10867342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown LOGV("EventHub::readNotify nfd: %d\n", nfd); 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res = read(nfd, event_buf, sizeof(event_buf)); 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(res < (int)sizeof(*event)) { 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(errno == EINTR) 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("could not get event, %s\n", strerror(errno)); 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1; 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("got %d bytes of event information\n", res); 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10969065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown strcpy(devname, DEVICE_PATH); 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filename = devname + strlen(devname); 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *filename++ = '/'; 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while(res >= (int)sizeof(*event)) { 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project event = (struct inotify_event *)(event_buf + event_pos); 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("%d: %08x \"%s\"\n", event->wd, event->mask, event->len ? event->name : ""); 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(event->len) { 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcpy(filename, event->name); 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(event->mask & IN_CREATE) { 11067342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown openDevice(devname); 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else { 11097342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown closeDevice(devname); 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project event_size = sizeof(*event) + event->len; 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res -= event_size; 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project event_pos += event_size; 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11207342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brownint EventHub::scanDir(const char *dirname) 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char devname[PATH_MAX]; 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char *filename; 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR *dir; 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent *de; 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dir = opendir(dirname); 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(dir == NULL) 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcpy(devname, dirname); 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filename = devname + strlen(devname); 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *filename++ = '/'; 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while((de = readdir(dir))) { 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(de->d_name[0] == '.' && 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (de->d_name[1] == '\0' || 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (de->d_name[1] == '.' && de->d_name[2] == '\0'))) 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project strcpy(filename, de->d_name); 11387342bb9693f480f6c713b4a4f82a9ad9131cd667Jeff Brown openDevice(devname); 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dir); 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1144f2f487183052865d50c004a835360be1728b5a52Jeff Brownvoid EventHub::dump(String8& dump) { 1145f2f487183052865d50c004a835360be1728b5a52Jeff Brown dump.append("Event Hub State:\n"); 1146f2f487183052865d50c004a835360be1728b5a52Jeff Brown 1147f2f487183052865d50c004a835360be1728b5a52Jeff Brown { // acquire lock 1148f2f487183052865d50c004a835360be1728b5a52Jeff Brown AutoMutex _l(mLock); 1149f2f487183052865d50c004a835360be1728b5a52Jeff Brown 11509065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown dump.appendFormat(INDENT "BuiltInKeyboardId: %d\n", mBuiltInKeyboardId); 1151f2f487183052865d50c004a835360be1728b5a52Jeff Brown 1152f2f487183052865d50c004a835360be1728b5a52Jeff Brown dump.append(INDENT "Devices:\n"); 1153f2f487183052865d50c004a835360be1728b5a52Jeff Brown 11549065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown for (size_t i = FIRST_ACTUAL_DEVICE_INDEX; i < mDevices.size(); i++) { 11559065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown const Device* device = mDevices[i]; 1156f2f487183052865d50c004a835360be1728b5a52Jeff Brown if (device) { 11579065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown if (mBuiltInKeyboardId == device->id) { 11589065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown dump.appendFormat(INDENT2 "%d: %s (aka device 0 - built-in keyboard)\n", 11599065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->id, device->identifier.name.string()); 1160f2f487183052865d50c004a835360be1728b5a52Jeff Brown } else { 11619065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown dump.appendFormat(INDENT2 "%d: %s\n", device->id, 11629065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier.name.string()); 1163f2f487183052865d50c004a835360be1728b5a52Jeff Brown } 1164f2f487183052865d50c004a835360be1728b5a52Jeff Brown dump.appendFormat(INDENT3 "Classes: 0x%08x\n", device->classes); 1165f2f487183052865d50c004a835360be1728b5a52Jeff Brown dump.appendFormat(INDENT3 "Path: %s\n", device->path.string()); 11669065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown dump.appendFormat(INDENT3 "Location: %s\n", device->identifier.location.string()); 11679065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown dump.appendFormat(INDENT3 "UniqueId: %s\n", device->identifier.uniqueId.string()); 11689065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown dump.appendFormat(INDENT3 "Identifier: bus=0x%04x, vendor=0x%04x, " 11699065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown "product=0x%04x, version=0x%04x\n", 11709065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier.bus, device->identifier.vendor, 11719065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->identifier.product, device->identifier.version); 11726b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown dump.appendFormat(INDENT3 "KeyLayoutFile: %s\n", 11739065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->keyMap.keyLayoutFile.string()); 11746b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown dump.appendFormat(INDENT3 "KeyCharacterMapFile: %s\n", 11759065504a63d6bf37bf621191fda1d1fe4da76ee3Jeff Brown device->keyMap.keyCharacterMapFile.string()); 117647e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown dump.appendFormat(INDENT3 "ConfigurationFile: %s\n", 117747e6b1b5eef8ee99872f278f66bc498c4fcca0d8Jeff Brown device->configurationFile.string()); 1178f2f487183052865d50c004a835360be1728b5a52Jeff Brown } 1179f2f487183052865d50c004a835360be1728b5a52Jeff Brown } 1180f2f487183052865d50c004a835360be1728b5a52Jeff Brown } // release lock 1181f2f487183052865d50c004a835360be1728b5a52Jeff Brown} 1182f2f487183052865d50c004a835360be1728b5a52Jeff Brown 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; // namespace android 1184