1d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright/* 2d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * Copyright (C) 2005 The Android Open Source Project 3d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * 4d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * Licensed under the Apache License, Version 2.0 (the "License"); 5d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * you may not use this file except in compliance with the License. 6d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * You may obtain a copy of the License at 7d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * 8d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * http://www.apache.org/licenses/LICENSE-2.0 9d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * 10d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * Unless required by applicable law or agreed to in writing, software 11d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * distributed under the License is distributed on an "AS IS" BASIS, 12d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * See the License for the specific language governing permissions and 14d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * limitations under the License. 15d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright */ 16d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 175aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn#include <assert.h> 185aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn#include <dirent.h> 195aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn#include <errno.h> 205aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn#include <fcntl.h> 215aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn#include <inttypes.h> 225aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn#include <memory.h> 235aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn#include <stdint.h> 245aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn#include <stdio.h> 255aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn#include <stdlib.h> 265aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn#include <string.h> 275aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn#include <sys/epoll.h> 285aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn#include <sys/limits.h> 295aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn#include <sys/inotify.h> 305aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn#include <sys/ioctl.h> 315aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn#include <sys/utsname.h> 325aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn#include <unistd.h> 335aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn 34d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#define LOG_TAG "EventHub" 35d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 36d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright// #define LOG_NDEBUG 0 37d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 38d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include "EventHub.h" 39d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 40d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <hardware_legacy/power.h> 41d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 42f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou#include <android-base/stringprintf.h> 43d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <cutils/properties.h> 44677d87ec50b9e8cdf88c61be07ad8c6d7f68f9ddDan Albert#include <openssl/sha.h> 45d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <utils/Log.h> 46d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <utils/Timers.h> 47d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <utils/threads.h> 48d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <utils/Errors.h> 49d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 50d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <input/KeyLayoutMap.h> 51d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <input/KeyCharacterMap.h> 52d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <input/VirtualKeyMap.h> 53d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 54d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright/* this macro is used to tell if "bit" is set in "array" 55d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * it selects a byte from the array, and does a boolean AND 56d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * operation with a byte that only has the relevant bit set. 57d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * eg. to check for the 12th bit, we do (array[1] & 1<<4) 58d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright */ 594a186d4579655eec4122369d5bd39a8ce9ece054Chih-Hung Hsieh#define test_bit(bit, array) ((array)[(bit)/8] & (1<<((bit)%8))) 60d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 61d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright/* this macro computes the number of bytes needed to represent a bit array of the specified size */ 624a186d4579655eec4122369d5bd39a8ce9ece054Chih-Hung Hsieh#define sizeof_bit_array(bits) (((bits) + 7) / 8) 63d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 64d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#define INDENT " " 65d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#define INDENT2 " " 66d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#define INDENT3 " " 67d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 68f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakouusing android::base::StringPrintf; 69f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou 70d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightnamespace android { 71d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 72d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstatic const char *WAKE_LOCK_ID = "KeyEvents"; 73d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstatic const char *DEVICE_PATH = "/dev/input"; 74d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 75d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstatic inline const char* toString(bool value) { 76d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return value ? "true" : "false"; 77d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 78d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 79d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstatic String8 sha1(const String8& in) { 80677d87ec50b9e8cdf88c61be07ad8c6d7f68f9ddDan Albert SHA_CTX ctx; 81677d87ec50b9e8cdf88c61be07ad8c6d7f68f9ddDan Albert SHA1_Init(&ctx); 82677d87ec50b9e8cdf88c61be07ad8c6d7f68f9ddDan Albert SHA1_Update(&ctx, reinterpret_cast<const u_char*>(in.string()), in.size()); 83677d87ec50b9e8cdf88c61be07ad8c6d7f68f9ddDan Albert u_char digest[SHA_DIGEST_LENGTH]; 84677d87ec50b9e8cdf88c61be07ad8c6d7f68f9ddDan Albert SHA1_Final(digest, &ctx); 85d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 86d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright String8 out; 87677d87ec50b9e8cdf88c61be07ad8c6d7f68f9ddDan Albert for (size_t i = 0; i < SHA_DIGEST_LENGTH; i++) { 88d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright out.appendFormat("%02x", digest[i]); 89d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 90d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return out; 91d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 92d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 93d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstatic void getLinuxRelease(int* major, int* minor) { 94d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright struct utsname info; 95d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (uname(&info) || sscanf(info.release, "%d.%d", major, minor) <= 0) { 96d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright *major = 0, *minor = 0; 97d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGE("Could not get linux version: %s", strerror(errno)); 98d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 99d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 100d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 101d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright// --- Global Functions --- 102d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 103d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightuint32_t getAbsAxisUsage(int32_t axis, uint32_t deviceClasses) { 104d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Touch devices get dibs on touch-related axes. 105d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (deviceClasses & INPUT_DEVICE_CLASS_TOUCH) { 106d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright switch (axis) { 107d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_X: 108d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_Y: 109d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_PRESSURE: 110d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_TOOL_WIDTH: 111d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_DISTANCE: 112d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_TILT_X: 113d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_TILT_Y: 114d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_MT_SLOT: 115d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_MT_TOUCH_MAJOR: 116d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_MT_TOUCH_MINOR: 117d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_MT_WIDTH_MAJOR: 118d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_MT_WIDTH_MINOR: 119d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_MT_ORIENTATION: 120d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_MT_POSITION_X: 121d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_MT_POSITION_Y: 122d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_MT_TOOL_TYPE: 123d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_MT_BLOB_ID: 124d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_MT_TRACKING_ID: 125d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_MT_PRESSURE: 126d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright case ABS_MT_DISTANCE: 127d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return INPUT_DEVICE_CLASS_TOUCH; 128d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 129d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 130d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 131842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright // External stylus gets the pressure axis 132842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright if (deviceClasses & INPUT_DEVICE_CLASS_EXTERNAL_STYLUS) { 133842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright if (axis == ABS_PRESSURE) { 134842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright return INPUT_DEVICE_CLASS_EXTERNAL_STYLUS; 135842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright } 136842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright } 137842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright 138d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Joystick devices get the rest. 139d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return deviceClasses & INPUT_DEVICE_CLASS_JOYSTICK; 140d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 141d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 142d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright// --- EventHub::Device --- 143d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 144d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael WrightEventHub::Device::Device(int fd, int32_t id, const String8& path, 145d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright const InputDeviceIdentifier& identifier) : 146d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright next(NULL), 147d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright fd(fd), id(id), path(path), identifier(identifier), 148d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright classes(0), configuration(NULL), virtualKeyMap(NULL), 149d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ffEffectPlaying(false), ffEffectId(-1), controllerNumber(0), 150e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou timestampOverrideSec(0), timestampOverrideUsec(0), enabled(true), 151e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou isVirtual(fd < 0) { 152d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright memset(keyBitmask, 0, sizeof(keyBitmask)); 153d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright memset(absBitmask, 0, sizeof(absBitmask)); 154d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright memset(relBitmask, 0, sizeof(relBitmask)); 155d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright memset(swBitmask, 0, sizeof(swBitmask)); 156d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright memset(ledBitmask, 0, sizeof(ledBitmask)); 157d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright memset(ffBitmask, 0, sizeof(ffBitmask)); 158d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright memset(propBitmask, 0, sizeof(propBitmask)); 159d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 160d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 161d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael WrightEventHub::Device::~Device() { 162d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright close(); 163d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright delete configuration; 164d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright delete virtualKeyMap; 165d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 166d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 167d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::Device::close() { 168d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (fd >= 0) { 169d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ::close(fd); 170d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright fd = -1; 171d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 172d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 173d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 174e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakoustatus_t EventHub::Device::enable() { 175e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou fd = open(path, O_RDWR | O_CLOEXEC | O_NONBLOCK); 176e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if(fd < 0) { 177e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou ALOGE("could not open %s, %s\n", path.string(), strerror(errno)); 178e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou return -errno; 179e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou } 180e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou enabled = true; 181e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou return OK; 182e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou} 183e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou 184e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakoustatus_t EventHub::Device::disable() { 185e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou close(); 186e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou enabled = false; 187e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou return OK; 188e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou} 189e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou 190e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakoubool EventHub::Device::hasValidFd() { 191e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou return !isVirtual && enabled; 192e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou} 193d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 194d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright// --- EventHub --- 195d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 196d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightconst uint32_t EventHub::EPOLL_ID_INOTIFY; 197d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightconst uint32_t EventHub::EPOLL_ID_WAKE; 198d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightconst int EventHub::EPOLL_SIZE_HINT; 199d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightconst int EventHub::EPOLL_MAX_EVENTS; 200d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 201d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael WrightEventHub::EventHub(void) : 202d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mBuiltInKeyboardId(NO_BUILT_IN_KEYBOARD), mNextDeviceId(1), mControllerNumbers(), 203d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mOpeningDevices(0), mClosingDevices(0), 204d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mNeedToSendFinishedDeviceScan(false), 205d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mNeedToReopenDevices(false), mNeedToScanDevices(true), 206d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mPendingEventCount(0), mPendingEventIndex(0), mPendingINotify(false) { 207d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID); 208d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 209d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mEpollFd = epoll_create(EPOLL_SIZE_HINT); 210d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright LOG_ALWAYS_FATAL_IF(mEpollFd < 0, "Could not create epoll instance. errno=%d", errno); 211d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 212d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mINotifyFd = inotify_init(); 213d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int result = inotify_add_watch(mINotifyFd, DEVICE_PATH, IN_DELETE | IN_CREATE); 214d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright LOG_ALWAYS_FATAL_IF(result < 0, "Could not register INotify for %s. errno=%d", 215d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright DEVICE_PATH, errno); 216d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 217d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright struct epoll_event eventItem; 218d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright memset(&eventItem, 0, sizeof(eventItem)); 219d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright eventItem.events = EPOLLIN; 220d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright eventItem.data.u32 = EPOLL_ID_INOTIFY; 221d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright result = epoll_ctl(mEpollFd, EPOLL_CTL_ADD, mINotifyFd, &eventItem); 222d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright LOG_ALWAYS_FATAL_IF(result != 0, "Could not add INotify to epoll instance. errno=%d", errno); 223d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 224d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int wakeFds[2]; 225d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright result = pipe(wakeFds); 226d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright LOG_ALWAYS_FATAL_IF(result != 0, "Could not create wake pipe. errno=%d", errno); 227d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 228d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mWakeReadPipeFd = wakeFds[0]; 229d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mWakeWritePipeFd = wakeFds[1]; 230d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 231d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright result = fcntl(mWakeReadPipeFd, F_SETFL, O_NONBLOCK); 232d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright LOG_ALWAYS_FATAL_IF(result != 0, "Could not make wake read pipe non-blocking. errno=%d", 233d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright errno); 234d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 235d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright result = fcntl(mWakeWritePipeFd, F_SETFL, O_NONBLOCK); 236d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright LOG_ALWAYS_FATAL_IF(result != 0, "Could not make wake write pipe non-blocking. errno=%d", 237d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright errno); 238d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 239d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright eventItem.data.u32 = EPOLL_ID_WAKE; 240d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright result = epoll_ctl(mEpollFd, EPOLL_CTL_ADD, mWakeReadPipeFd, &eventItem); 241d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright LOG_ALWAYS_FATAL_IF(result != 0, "Could not add wake read pipe to epoll instance. errno=%d", 242d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright errno); 243d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 244d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int major, minor; 245d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright getLinuxRelease(&major, &minor); 246d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // EPOLLWAKEUP was introduced in kernel 3.5 247d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mUsingEpollWakeup = major > 3 || (major == 3 && minor >= 5); 248d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 249d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 250d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael WrightEventHub::~EventHub(void) { 251d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright closeAllDevicesLocked(); 252d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 253d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright while (mClosingDevices) { 254d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = mClosingDevices; 255d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mClosingDevices = device->next; 256d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright delete device; 257d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 258d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 259d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ::close(mEpollFd); 260d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ::close(mINotifyFd); 261d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ::close(mWakeReadPipeFd); 262d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ::close(mWakeWritePipeFd); 263d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 264d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright release_wake_lock(WAKE_LOCK_ID); 265d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 266d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 267d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael WrightInputDeviceIdentifier EventHub::getDeviceIdentifier(int32_t deviceId) const { 268d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 269d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 270d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device == NULL) return InputDeviceIdentifier(); 271d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return device->identifier; 272d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 273d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 274d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightuint32_t EventHub::getDeviceClasses(int32_t deviceId) const { 275d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 276d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 277d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device == NULL) return 0; 278d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return device->classes; 279d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 280d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 281d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightint32_t EventHub::getDeviceControllerNumber(int32_t deviceId) const { 282d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 283d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 284d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device == NULL) return 0; 285d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return device->controllerNumber; 286d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 287d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 288d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const { 289d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 290d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 291d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device && device->configuration) { 292d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright *outConfiguration = *device->configuration; 293d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else { 294d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright outConfiguration->clear(); 295d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 296d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 297d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 298d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstatus_t EventHub::getAbsoluteAxisInfo(int32_t deviceId, int axis, 299d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright RawAbsoluteAxisInfo* outAxisInfo) const { 300d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright outAxisInfo->clear(); 301d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 302d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (axis >= 0 && axis <= ABS_MAX) { 303d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 304d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 305d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 306e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (device && device->hasValidFd() && test_bit(axis, device->absBitmask)) { 307d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright struct input_absinfo info; 308d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if(ioctl(device->fd, EVIOCGABS(axis), &info)) { 309d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGW("Error reading absolute controller %d for device %s fd %d, errno=%d", 310d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright axis, device->identifier.name.string(), device->fd, errno); 311d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return -errno; 312d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 313d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 314d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (info.minimum != info.maximum) { 315d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright outAxisInfo->valid = true; 316d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright outAxisInfo->minValue = info.minimum; 317d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright outAxisInfo->maxValue = info.maximum; 318d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright outAxisInfo->flat = info.flat; 319d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright outAxisInfo->fuzz = info.fuzz; 320d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright outAxisInfo->resolution = info.resolution; 321d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 322d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return OK; 323d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 324d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 325d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return -1; 326d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 327d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 328d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightbool EventHub::hasRelativeAxis(int32_t deviceId, int axis) const { 329d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (axis >= 0 && axis <= REL_MAX) { 330d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 331d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 332d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 333d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device) { 334d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return test_bit(axis, device->relBitmask); 335d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 336d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 337d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return false; 338d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 339d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 340d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightbool EventHub::hasInputProperty(int32_t deviceId, int property) const { 341d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (property >= 0 && property <= INPUT_PROP_MAX) { 342d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 343d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 344d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 345d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device) { 346d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return test_bit(property, device->propBitmask); 347d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 348d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 349d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return false; 350d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 351d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 352d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightint32_t EventHub::getScanCodeState(int32_t deviceId, int32_t scanCode) const { 353d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (scanCode >= 0 && scanCode <= KEY_MAX) { 354d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 355d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 356d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 357e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (device && device->hasValidFd() && test_bit(scanCode, device->keyBitmask)) { 358d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright uint8_t keyState[sizeof_bit_array(KEY_MAX + 1)]; 359d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright memset(keyState, 0, sizeof(keyState)); 360d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (ioctl(device->fd, EVIOCGKEY(sizeof(keyState)), keyState) >= 0) { 361d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return test_bit(scanCode, keyState) ? AKEY_STATE_DOWN : AKEY_STATE_UP; 362d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 363d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 364d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 365d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return AKEY_STATE_UNKNOWN; 366d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 367d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 368d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightint32_t EventHub::getKeyCodeState(int32_t deviceId, int32_t keyCode) const { 369d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 370d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 371d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 372e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (device && device->hasValidFd() && device->keyMap.haveKeyLayout()) { 373d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Vector<int32_t> scanCodes; 374d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->keyMap.keyLayoutMap->findScanCodesForKey(keyCode, &scanCodes); 375d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (scanCodes.size() != 0) { 376d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright uint8_t keyState[sizeof_bit_array(KEY_MAX + 1)]; 377d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright memset(keyState, 0, sizeof(keyState)); 378d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (ioctl(device->fd, EVIOCGKEY(sizeof(keyState)), keyState) >= 0) { 379d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright for (size_t i = 0; i < scanCodes.size(); i++) { 380d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t sc = scanCodes.itemAt(i); 381d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, keyState)) { 382d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return AKEY_STATE_DOWN; 383d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 384d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 385d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return AKEY_STATE_UP; 386d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 387d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 388d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 389d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return AKEY_STATE_UNKNOWN; 390d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 391d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 392d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightint32_t EventHub::getSwitchState(int32_t deviceId, int32_t sw) const { 393d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (sw >= 0 && sw <= SW_MAX) { 394d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 395d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 396d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 397e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (device && device->hasValidFd() && test_bit(sw, device->swBitmask)) { 398d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright uint8_t swState[sizeof_bit_array(SW_MAX + 1)]; 399d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright memset(swState, 0, sizeof(swState)); 400d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (ioctl(device->fd, EVIOCGSW(sizeof(swState)), swState) >= 0) { 401d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return test_bit(sw, swState) ? AKEY_STATE_DOWN : AKEY_STATE_UP; 402d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 403d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 404d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 405d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return AKEY_STATE_UNKNOWN; 406d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 407d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 408d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstatus_t EventHub::getAbsoluteAxisValue(int32_t deviceId, int32_t axis, int32_t* outValue) const { 409d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright *outValue = 0; 410d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 411d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (axis >= 0 && axis <= ABS_MAX) { 412d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 413d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 414d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 415e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (device && device->hasValidFd() && test_bit(axis, device->absBitmask)) { 416d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright struct input_absinfo info; 417d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if(ioctl(device->fd, EVIOCGABS(axis), &info)) { 418d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGW("Error reading absolute controller %d for device %s fd %d, errno=%d", 419d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright axis, device->identifier.name.string(), device->fd, errno); 420d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return -errno; 421d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 422d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 423d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright *outValue = info.value; 424d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return OK; 425d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 426d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 427d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return -1; 428d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 429d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 430d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightbool EventHub::markSupportedKeyCodes(int32_t deviceId, size_t numCodes, 431d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright const int32_t* keyCodes, uint8_t* outFlags) const { 432d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 433d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 434d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 435d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device && device->keyMap.haveKeyLayout()) { 436d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Vector<int32_t> scanCodes; 437d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright for (size_t codeIndex = 0; codeIndex < numCodes; codeIndex++) { 438d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright scanCodes.clear(); 439d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 440d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright status_t err = device->keyMap.keyLayoutMap->findScanCodesForKey( 441d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright keyCodes[codeIndex], &scanCodes); 442d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (! err) { 443d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // check the possible scan codes identified by the layout map against the 444d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // map of codes actually emitted by the driver 445d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright for (size_t sc = 0; sc < scanCodes.size(); sc++) { 446d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (test_bit(scanCodes[sc], device->keyBitmask)) { 447d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright outFlags[codeIndex] = 1; 448d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright break; 449d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 450d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 451d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 452d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 453d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return true; 454d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 455d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return false; 456d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 457d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 4580faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhovstatus_t EventHub::mapKey(int32_t deviceId, 4590faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov int32_t scanCode, int32_t usageCode, int32_t metaState, 4600faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov int32_t* outKeycode, int32_t* outMetaState, uint32_t* outFlags) const { 461d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 462d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 4630faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov status_t status = NAME_NOT_FOUND; 464d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 465d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device) { 466d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Check the key character map first. 467d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright sp<KeyCharacterMap> kcm = device->getKeyCharacterMap(); 468d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (kcm != NULL) { 469d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (!kcm->mapKey(scanCode, usageCode, outKeycode)) { 470d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright *outFlags = 0; 4710faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov status = NO_ERROR; 472d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 473d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 474d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 475d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Check the key layout next. 4760faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov if (status != NO_ERROR && device->keyMap.haveKeyLayout()) { 477d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (!device->keyMap.keyLayoutMap->mapKey( 478d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright scanCode, usageCode, outKeycode, outFlags)) { 4790faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov status = NO_ERROR; 4800faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov } 4810faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov } 4820faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov 4830faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov if (status == NO_ERROR) { 4840faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov if (kcm != NULL) { 4850faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov kcm->tryRemapKey(*outKeycode, metaState, outKeycode, outMetaState); 4860faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov } else { 4870faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov *outMetaState = metaState; 488d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 489d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 490d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 491d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 4920faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov if (status != NO_ERROR) { 4930faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov *outKeycode = 0; 4940faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov *outFlags = 0; 4950faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov *outMetaState = metaState; 4960faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov } 4970faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov 4980faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov return status; 499d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 500d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 501d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstatus_t EventHub::mapAxis(int32_t deviceId, int32_t scanCode, AxisInfo* outAxisInfo) const { 502d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 503d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 504d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 505d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device && device->keyMap.haveKeyLayout()) { 506d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright status_t err = device->keyMap.keyLayoutMap->mapAxis(scanCode, outAxisInfo); 507d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (err == NO_ERROR) { 508d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return NO_ERROR; 509d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 510d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 511d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 512d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return NAME_NOT_FOUND; 513d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 514d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 515d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::setExcludedDevices(const Vector<String8>& devices) { 516d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 517d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 518d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mExcludedDevices = devices; 519d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 520d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 521d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightbool EventHub::hasScanCode(int32_t deviceId, int32_t scanCode) const { 522d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 523d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 524d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device && scanCode >= 0 && scanCode <= KEY_MAX) { 525d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (test_bit(scanCode, device->keyBitmask)) { 526d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return true; 527d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 528d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 529d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return false; 530d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 531d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 532d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightbool EventHub::hasLed(int32_t deviceId, int32_t led) const { 533d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 534d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 535d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t sc; 536d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device && mapLed(device, led, &sc) == NO_ERROR) { 537d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (test_bit(sc, device->ledBitmask)) { 538d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return true; 539d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 540d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 541d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return false; 542d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 543d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 544d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::setLedState(int32_t deviceId, int32_t led, bool on) { 545d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 546d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 547d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright setLedStateLocked(device, led, on); 548d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 549d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 550d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::setLedStateLocked(Device* device, int32_t led, bool on) { 551d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t sc; 552e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (device && device->hasValidFd() && mapLed(device, led, &sc) != NAME_NOT_FOUND) { 553d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright struct input_event ev; 554d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ev.time.tv_sec = 0; 555d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ev.time.tv_usec = 0; 556d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ev.type = EV_LED; 557d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ev.code = sc; 558d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ev.value = on ? 1 : 0; 559d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 560d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ssize_t nWrite; 561d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright do { 562d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright nWrite = write(device->fd, &ev, sizeof(struct input_event)); 563d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } while (nWrite == -1 && errno == EINTR); 564d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 565d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 566d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 567d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::getVirtualKeyDefinitions(int32_t deviceId, 568d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Vector<VirtualKeyDefinition>& outVirtualKeys) const { 569d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright outVirtualKeys.clear(); 570d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 571d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 572d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 573d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device && device->virtualKeyMap) { 574d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright outVirtualKeys.appendVector(device->virtualKeyMap->getVirtualKeys()); 575d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 576d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 577d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 578d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightsp<KeyCharacterMap> EventHub::getKeyCharacterMap(int32_t deviceId) const { 579d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 580d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 581d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device) { 582d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return device->getKeyCharacterMap(); 583d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 584d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return NULL; 585d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 586d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 587d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightbool EventHub::setKeyboardLayoutOverlay(int32_t deviceId, 588d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright const sp<KeyCharacterMap>& map) { 589d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 590d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 591d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device) { 592d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (map != device->overlayKeyMap) { 593d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->overlayKeyMap = map; 594d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->combinedKeyMap = KeyCharacterMap::combine( 595d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->keyMap.keyCharacterMap, map); 596d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return true; 597d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 598d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 599d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return false; 600d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 601d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 602d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstatic String8 generateDescriptor(InputDeviceIdentifier& identifier) { 603d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright String8 rawDescriptor; 604d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright rawDescriptor.appendFormat(":%04x:%04x:", identifier.vendor, 605d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright identifier.product); 606d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // TODO add handling for USB devices to not uniqueify kbs that show up twice 607d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (!identifier.uniqueId.isEmpty()) { 608d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright rawDescriptor.append("uniqueId:"); 609d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright rawDescriptor.append(identifier.uniqueId); 610d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else if (identifier.nonce != 0) { 611d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright rawDescriptor.appendFormat("nonce:%04x", identifier.nonce); 612d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 613d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 614d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (identifier.vendor == 0 && identifier.product == 0) { 615d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // If we don't know the vendor and product id, then the device is probably 616d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // built-in so we need to rely on other information to uniquely identify 617d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // the input device. Usually we try to avoid relying on the device name or 618d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // location but for built-in input device, they are unlikely to ever change. 619d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (!identifier.name.isEmpty()) { 620d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright rawDescriptor.append("name:"); 621d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright rawDescriptor.append(identifier.name); 622d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else if (!identifier.location.isEmpty()) { 623d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright rawDescriptor.append("location:"); 624d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright rawDescriptor.append(identifier.location); 625d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 626d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 627d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright identifier.descriptor = sha1(rawDescriptor); 628d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return rawDescriptor; 629d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 630d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 631d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::assignDescriptorLocked(InputDeviceIdentifier& identifier) { 632d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Compute a device descriptor that uniquely identifies the device. 633d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // The descriptor is assumed to be a stable identifier. Its value should not 634d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // change between reboots, reconnections, firmware updates or new releases 635d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // of Android. In practice we sometimes get devices that cannot be uniquely 636d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // identified. In this case we enforce uniqueness between connected devices. 637d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Ideally, we also want the descriptor to be short and relatively opaque. 638d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 639d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright identifier.nonce = 0; 640d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright String8 rawDescriptor = generateDescriptor(identifier); 641d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (identifier.uniqueId.isEmpty()) { 642d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // If it didn't have a unique id check for conflicts and enforce 643d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // uniqueness if necessary. 644d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright while(getDeviceByDescriptorLocked(identifier.descriptor) != NULL) { 645d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright identifier.nonce++; 646d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright rawDescriptor = generateDescriptor(identifier); 647d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 648d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 649d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV("Created descriptor: raw=%s, cooked=%s", rawDescriptor.string(), 650d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright identifier.descriptor.string()); 651d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 652d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 653d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::vibrate(int32_t deviceId, nsecs_t duration) { 654d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 655d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 656e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (device && device->hasValidFd()) { 657d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ff_effect effect; 658d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright memset(&effect, 0, sizeof(effect)); 659d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright effect.type = FF_RUMBLE; 660d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright effect.id = device->ffEffectId; 661d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright effect.u.rumble.strong_magnitude = 0xc000; 662d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright effect.u.rumble.weak_magnitude = 0xc000; 663d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright effect.replay.length = (duration + 999999LL) / 1000000LL; 664d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright effect.replay.delay = 0; 665d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (ioctl(device->fd, EVIOCSFF, &effect)) { 666d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGW("Could not upload force feedback effect to device %s due to error %d.", 667d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->identifier.name.string(), errno); 668d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return; 669d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 670d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->ffEffectId = effect.id; 671d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 672d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright struct input_event ev; 673d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ev.time.tv_sec = 0; 674d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ev.time.tv_usec = 0; 675d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ev.type = EV_FF; 676d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ev.code = device->ffEffectId; 677d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ev.value = 1; 678d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (write(device->fd, &ev, sizeof(ev)) != sizeof(ev)) { 679d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGW("Could not start force feedback effect on device %s due to error %d.", 680d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->identifier.name.string(), errno); 681d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return; 682d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 683d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->ffEffectPlaying = true; 684d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 685d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 686d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 687d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::cancelVibrate(int32_t deviceId) { 688d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 689d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceLocked(deviceId); 690e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (device && device->hasValidFd()) { 691d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device->ffEffectPlaying) { 692d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->ffEffectPlaying = false; 693d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 694d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright struct input_event ev; 695d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ev.time.tv_sec = 0; 696d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ev.time.tv_usec = 0; 697d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ev.type = EV_FF; 698d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ev.code = device->ffEffectId; 699d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ev.value = 0; 700d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (write(device->fd, &ev, sizeof(ev)) != sizeof(ev)) { 701d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGW("Could not stop force feedback effect on device %s due to error %d.", 702d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->identifier.name.string(), errno); 703d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return; 704d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 705d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 706d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 707d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 708d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 709d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael WrightEventHub::Device* EventHub::getDeviceByDescriptorLocked(String8& descriptor) const { 710d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright size_t size = mDevices.size(); 711d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright for (size_t i = 0; i < size; i++) { 712d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = mDevices.valueAt(i); 713d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (descriptor.compare(device->identifier.descriptor) == 0) { 714d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return device; 715d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 716d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 717d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return NULL; 718d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 719d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 720d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael WrightEventHub::Device* EventHub::getDeviceLocked(int32_t deviceId) const { 721d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (deviceId == BUILT_IN_KEYBOARD_ID) { 722d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright deviceId = mBuiltInKeyboardId; 723d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 724d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ssize_t index = mDevices.indexOfKey(deviceId); 725d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return index >= 0 ? mDevices.valueAt(index) : NULL; 726d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 727d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 728d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael WrightEventHub::Device* EventHub::getDeviceByPathLocked(const char* devicePath) const { 729d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright for (size_t i = 0; i < mDevices.size(); i++) { 730d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = mDevices.valueAt(i); 731d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device->path == devicePath) { 732d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return device; 733d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 734d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 735d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return NULL; 736d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 737d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 738d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightsize_t EventHub::getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize) { 739d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOG_ASSERT(bufferSize >= 1); 740d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 741d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 742d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 743d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright struct input_event readBuffer[bufferSize]; 744d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 745d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright RawEvent* event = buffer; 746d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright size_t capacity = bufferSize; 747d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright bool awoken = false; 748d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright for (;;) { 749d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC); 750d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 751d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Reopen input devices if needed. 752d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (mNeedToReopenDevices) { 753d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mNeedToReopenDevices = false; 754d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 755d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGI("Reopening all input devices due to a configuration change."); 756d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 757d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright closeAllDevicesLocked(); 758d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mNeedToScanDevices = true; 759d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright break; // return to the caller before we actually rescan 760d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 761d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 762d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Report any devices that had last been added/removed. 763d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright while (mClosingDevices) { 764d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = mClosingDevices; 765d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV("Reporting device closed: id=%d, name=%s\n", 766d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->id, device->path.string()); 767d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mClosingDevices = device->next; 768d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event->when = now; 769d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event->deviceId = device->id == mBuiltInKeyboardId ? BUILT_IN_KEYBOARD_ID : device->id; 770d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event->type = DEVICE_REMOVED; 771d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event += 1; 772d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright delete device; 773d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mNeedToSendFinishedDeviceScan = true; 774d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (--capacity == 0) { 775d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright break; 776d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 777d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 778d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 779d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (mNeedToScanDevices) { 780d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mNeedToScanDevices = false; 781d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright scanDevicesLocked(); 782d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mNeedToSendFinishedDeviceScan = true; 783d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 784d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 785d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright while (mOpeningDevices != NULL) { 786d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = mOpeningDevices; 787d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV("Reporting device opened: id=%d, name=%s\n", 788d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->id, device->path.string()); 789d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mOpeningDevices = device->next; 790d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event->when = now; 791d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event->deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id; 792d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event->type = DEVICE_ADDED; 793d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event += 1; 794d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mNeedToSendFinishedDeviceScan = true; 795d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (--capacity == 0) { 796d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright break; 797d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 798d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 799d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 800d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (mNeedToSendFinishedDeviceScan) { 801d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mNeedToSendFinishedDeviceScan = false; 802d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event->when = now; 803d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event->type = FINISHED_DEVICE_SCAN; 804d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event += 1; 805d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (--capacity == 0) { 806d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright break; 807d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 808d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 809d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 810d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Grab the next input event. 811d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright bool deviceChanged = false; 812d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright while (mPendingEventIndex < mPendingEventCount) { 813d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright const struct epoll_event& eventItem = mPendingEventItems[mPendingEventIndex++]; 814d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (eventItem.data.u32 == EPOLL_ID_INOTIFY) { 815d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (eventItem.events & EPOLLIN) { 816d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mPendingINotify = true; 817d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else { 818d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGW("Received unexpected epoll event 0x%08x for INotify.", eventItem.events); 819d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 820d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright continue; 821d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 822d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 823d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (eventItem.data.u32 == EPOLL_ID_WAKE) { 824d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (eventItem.events & EPOLLIN) { 825d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV("awoken after wake()"); 826d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright awoken = true; 827d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright char buffer[16]; 828d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ssize_t nRead; 829d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright do { 830d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright nRead = read(mWakeReadPipeFd, buffer, sizeof(buffer)); 831d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } while ((nRead == -1 && errno == EINTR) || nRead == sizeof(buffer)); 832d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else { 833d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGW("Received unexpected epoll event 0x%08x for wake read pipe.", 834d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright eventItem.events); 835d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 836d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright continue; 837d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 838d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 839d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ssize_t deviceIndex = mDevices.indexOfKey(eventItem.data.u32); 840d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (deviceIndex < 0) { 841d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGW("Received unexpected epoll event 0x%08x for unknown device id %d.", 842d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright eventItem.events, eventItem.data.u32); 843d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright continue; 844d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 845d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 846d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = mDevices.valueAt(deviceIndex); 847d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (eventItem.events & EPOLLIN) { 848d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t readSize = read(device->fd, readBuffer, 849d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright sizeof(struct input_event) * capacity); 850d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (readSize == 0 || (readSize < 0 && errno == ENODEV)) { 851d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Device was removed before INotify noticed. 8525aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn ALOGW("could not get event, removed? (fd: %d size: %" PRId32 8535aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn " bufferSize: %zu capacity: %zu errno: %d)\n", 854d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->fd, readSize, bufferSize, capacity, errno); 855d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright deviceChanged = true; 856d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright closeDeviceLocked(device); 857d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else if (readSize < 0) { 858d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (errno != EAGAIN && errno != EINTR) { 859d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGW("could not get event (errno=%d)", errno); 860d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 861d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else if ((readSize % sizeof(struct input_event)) != 0) { 862d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGE("could not get event (wrong size: %d)", readSize); 863d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else { 864d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t deviceId = device->id == mBuiltInKeyboardId ? 0 : device->id; 865d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 866d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright size_t count = size_t(readSize) / sizeof(struct input_event); 867d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright for (size_t i = 0; i < count; i++) { 868d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright struct input_event& iev = readBuffer[i]; 869d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV("%s got: time=%d.%06d, type=%d, code=%d, value=%d", 870d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->path.string(), 871d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright (int) iev.time.tv_sec, (int) iev.time.tv_usec, 872d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright iev.type, iev.code, iev.value); 873d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 874d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Some input devices may have a better concept of the time 875d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // when an input event was actually generated than the kernel 876d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // which simply timestamps all events on entry to evdev. 877d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // This is a custom Android extension of the input protocol 878d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // mainly intended for use with uinput based device drivers. 879d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (iev.type == EV_MSC) { 880d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (iev.code == MSC_ANDROID_TIME_SEC) { 881d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->timestampOverrideSec = iev.value; 882d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright continue; 883d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else if (iev.code == MSC_ANDROID_TIME_USEC) { 884d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->timestampOverrideUsec = iev.value; 885d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright continue; 886d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 887d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 888d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device->timestampOverrideSec || device->timestampOverrideUsec) { 889d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright iev.time.tv_sec = device->timestampOverrideSec; 890d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright iev.time.tv_usec = device->timestampOverrideUsec; 891d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (iev.type == EV_SYN && iev.code == SYN_REPORT) { 892d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->timestampOverrideSec = 0; 893d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->timestampOverrideUsec = 0; 894d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 895d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV("applied override time %d.%06d", 896d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int(iev.time.tv_sec), int(iev.time.tv_usec)); 897d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 898d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 899d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Use the time specified in the event instead of the current time 900d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // so that downstream code can get more accurate estimates of 901d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // event dispatch latency from the time the event is enqueued onto 902d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // the evdev client buffer. 903d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // 904d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // The event's timestamp fortuitously uses the same monotonic clock 905d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // time base as the rest of Android. The kernel event device driver 906d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // (drivers/input/evdev.c) obtains timestamps using ktime_get_ts(). 907d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // The systemTime(SYSTEM_TIME_MONOTONIC) function we use everywhere 908d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // calls clock_gettime(CLOCK_MONOTONIC) which is implemented as a 909d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // system call that also queries ktime_get_ts(). 910d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event->when = nsecs_t(iev.time.tv_sec) * 1000000000LL 911d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright + nsecs_t(iev.time.tv_usec) * 1000LL; 9125aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn ALOGV("event time %" PRId64 ", now %" PRId64, event->when, now); 913d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 914d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Bug 7291243: Add a guard in case the kernel generates timestamps 915d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // that appear to be far into the future because they were generated 916d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // using the wrong clock source. 917d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // 918d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // This can happen because when the input device is initially opened 919d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // it has a default clock source of CLOCK_REALTIME. Any input events 920d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // enqueued right after the device is opened will have timestamps 921d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // generated using CLOCK_REALTIME. We later set the clock source 922d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // to CLOCK_MONOTONIC but it is already too late. 923d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // 924d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Invalid input event timestamps can result in ANRs, crashes and 925d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // and other issues that are hard to track down. We must not let them 926d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // propagate through the system. 927d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // 928d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Log a warning so that we notice the problem and recover gracefully. 929d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (event->when >= now + 10 * 1000000000LL) { 930d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Double-check. Time may have moved on. 931d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright nsecs_t time = systemTime(SYSTEM_TIME_MONOTONIC); 932d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (event->when > time) { 933d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGW("An input event from %s has a timestamp that appears to " 934d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright "have been generated using the wrong clock source " 935d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright "(expected CLOCK_MONOTONIC): " 9365aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn "event time %" PRId64 ", current time %" PRId64 9375aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn ", call time %" PRId64 ". " 938d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright "Using current time instead.", 939d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->path.string(), event->when, time, now); 940d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event->when = time; 941d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else { 942d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV("Event time is ok but failed the fast path and required " 943d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright "an extra call to systemTime: " 9445aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn "event time %" PRId64 ", current time %" PRId64 9455aa26b274595f12e98abaad364cf9e3061b2dfe7Mark Salyzyn ", call time %" PRId64 ".", 946d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event->when, time, now); 947d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 948d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 949d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event->deviceId = deviceId; 950d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event->type = iev.type; 951d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event->code = iev.code; 952d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event->value = iev.value; 953d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event += 1; 954d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright capacity -= 1; 955d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 956d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (capacity == 0) { 957d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // The result buffer is full. Reset the pending event index 958d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // so we will try to read the device again on the next iteration. 959d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mPendingEventIndex -= 1; 960d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright break; 961d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 962d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 963d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else if (eventItem.events & EPOLLHUP) { 964d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGI("Removing device %s due to epoll hang-up event.", 965d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->identifier.name.string()); 966d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright deviceChanged = true; 967d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright closeDeviceLocked(device); 968d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else { 969d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGW("Received unexpected epoll event 0x%08x for device %s.", 970d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright eventItem.events, device->identifier.name.string()); 971d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 972d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 973d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 974d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // readNotify() will modify the list of devices so this must be done after 975d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // processing all other events to ensure that we read all remaining events 976d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // before closing the devices. 977d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (mPendingINotify && mPendingEventIndex >= mPendingEventCount) { 978d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mPendingINotify = false; 979d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright readNotifyLocked(); 980d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright deviceChanged = true; 981d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 982d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 983d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Report added or removed devices immediately. 984d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (deviceChanged) { 985d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright continue; 986d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 987d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 988d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Return now if we have collected any events or if we were explicitly awoken. 989d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (event != buffer || awoken) { 990d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright break; 991d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 992d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 993d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Poll for events. Mind the wake lock dance! 994d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // We hold a wake lock at all times except during epoll_wait(). This works due to some 995d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // subtle choreography. When a device driver has pending (unread) events, it acquires 996d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // a kernel wake lock. However, once the last pending event has been read, the device 997d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // driver will release the kernel wake lock. To prevent the system from going to sleep 998d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // when this happens, the EventHub holds onto its own user wake lock while the client 999d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // is processing events. Thus the system can only sleep if there are no events 1000d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // pending or currently being processed. 1001d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // 1002d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // The timeout is advisory only. If the device is asleep, it will not wake just to 1003d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // service the timeout. 1004d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mPendingEventIndex = 0; 1005d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1006d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mLock.unlock(); // release lock before poll, must be before release_wake_lock 1007d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright release_wake_lock(WAKE_LOCK_ID); 1008d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1009d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int pollResult = epoll_wait(mEpollFd, mPendingEventItems, EPOLL_MAX_EVENTS, timeoutMillis); 1010d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1011d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID); 1012d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mLock.lock(); // reacquire lock after poll, must be after acquire_wake_lock 1013d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1014d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (pollResult == 0) { 1015d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Timed out. 1016d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mPendingEventCount = 0; 1017d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright break; 1018d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1019d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1020d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (pollResult < 0) { 1021d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // An error occurred. 1022d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mPendingEventCount = 0; 1023d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1024d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Sleep after errors to avoid locking up the system. 1025d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Hopefully the error is transient. 1026d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (errno != EINTR) { 1027d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGW("poll failed (errno=%d)\n", errno); 1028d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright usleep(100000); 1029d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1030d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else { 1031d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Some events occurred. 1032d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mPendingEventCount = size_t(pollResult); 1033d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1034d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1035d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1036d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // All done, return the number of events we read. 1037d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return event - buffer; 1038d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1039d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1040d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::wake() { 1041d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV("wake() called"); 1042d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1043d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ssize_t nWrite; 1044d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright do { 1045d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright nWrite = write(mWakeWritePipeFd, "W", 1); 1046d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } while (nWrite == -1 && errno == EINTR); 1047d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1048d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (nWrite != 1 && errno != EAGAIN) { 1049d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGW("Could not write wake signal, errno=%d", errno); 1050d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1051d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1052d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1053d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::scanDevicesLocked() { 1054d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright status_t res = scanDirLocked(DEVICE_PATH); 1055d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if(res < 0) { 1056d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGE("scan dir failed for %s\n", DEVICE_PATH); 1057d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1058d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (mDevices.indexOfKey(VIRTUAL_KEYBOARD_ID) < 0) { 1059d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright createVirtualKeyboardLocked(); 1060d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1061d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1062d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1063d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright// ---------------------------------------------------------------------------- 1064d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1065d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstatic bool containsNonZeroByte(const uint8_t* array, uint32_t startIndex, uint32_t endIndex) { 1066d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright const uint8_t* end = array + endIndex; 1067d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright array += startIndex; 1068d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright while (array != end) { 1069d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (*(array++) != 0) { 1070d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return true; 1071d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1072d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1073d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return false; 1074d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1075d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1076d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstatic const int32_t GAMEPAD_KEYCODES[] = { 1077d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AKEYCODE_BUTTON_A, AKEYCODE_BUTTON_B, AKEYCODE_BUTTON_C, 1078d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AKEYCODE_BUTTON_X, AKEYCODE_BUTTON_Y, AKEYCODE_BUTTON_Z, 1079d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AKEYCODE_BUTTON_L1, AKEYCODE_BUTTON_R1, 1080d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AKEYCODE_BUTTON_L2, AKEYCODE_BUTTON_R2, 1081d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AKEYCODE_BUTTON_THUMBL, AKEYCODE_BUTTON_THUMBR, 1082d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AKEYCODE_BUTTON_START, AKEYCODE_BUTTON_SELECT, AKEYCODE_BUTTON_MODE, 1083d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright}; 1084d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1085e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakoustatus_t EventHub::registerDeviceForEpollLocked(Device* device) { 1086e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou struct epoll_event eventItem; 1087e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou memset(&eventItem, 0, sizeof(eventItem)); 1088e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou eventItem.events = EPOLLIN; 1089e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (mUsingEpollWakeup) { 1090e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou eventItem.events |= EPOLLWAKEUP; 1091e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou } 1092e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou eventItem.data.u32 = device->id; 1093e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (epoll_ctl(mEpollFd, EPOLL_CTL_ADD, device->fd, &eventItem)) { 1094e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou ALOGE("Could not add device fd to epoll instance. errno=%d", errno); 1095e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou return -errno; 1096e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou } 1097e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou return OK; 1098e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou} 1099e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou 1100e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakoustatus_t EventHub::unregisterDeviceFromEpollLocked(Device* device) { 1101e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (device->hasValidFd()) { 1102e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (epoll_ctl(mEpollFd, EPOLL_CTL_DEL, device->fd, NULL)) { 1103e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou ALOGW("Could not remove device fd from epoll instance. errno=%d", errno); 1104e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou return -errno; 1105e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou } 1106e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou } 1107e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou return OK; 1108e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou} 1109e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou 1110d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstatus_t EventHub::openDeviceLocked(const char *devicePath) { 1111d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright char buffer[80]; 1112d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1113d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV("Opening device: %s", devicePath); 1114d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1115e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou int fd = open(devicePath, O_RDWR | O_CLOEXEC | O_NONBLOCK); 1116d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if(fd < 0) { 1117d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGE("could not open %s, %s\n", devicePath, strerror(errno)); 1118d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return -1; 1119d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1120d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1121d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright InputDeviceIdentifier identifier; 1122d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1123d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Get device name. 1124d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if(ioctl(fd, EVIOCGNAME(sizeof(buffer) - 1), &buffer) < 1) { 1125d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright //fprintf(stderr, "could not get device name for %s, %s\n", devicePath, strerror(errno)); 1126d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else { 1127d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright buffer[sizeof(buffer) - 1] = '\0'; 1128d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright identifier.name.setTo(buffer); 1129d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1130d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1131d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Check to see if the device is on our excluded list 1132d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright for (size_t i = 0; i < mExcludedDevices.size(); i++) { 1133d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright const String8& item = mExcludedDevices.itemAt(i); 1134d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (identifier.name == item) { 1135d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGI("ignoring event id %s driver %s\n", devicePath, item.string()); 1136d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright close(fd); 1137d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return -1; 1138d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1139d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1140d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1141d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Get device driver version. 1142d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int driverVersion; 1143d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if(ioctl(fd, EVIOCGVERSION, &driverVersion)) { 1144d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGE("could not get driver version for %s, %s\n", devicePath, strerror(errno)); 1145d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright close(fd); 1146d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return -1; 1147d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1148d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1149d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Get device identifier. 1150d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright struct input_id inputId; 1151d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if(ioctl(fd, EVIOCGID, &inputId)) { 1152d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGE("could not get device input id for %s, %s\n", devicePath, strerror(errno)); 1153d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright close(fd); 1154d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return -1; 1155d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1156d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright identifier.bus = inputId.bustype; 1157d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright identifier.product = inputId.product; 1158d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright identifier.vendor = inputId.vendor; 1159d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright identifier.version = inputId.version; 1160d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1161d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Get device physical location. 1162d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if(ioctl(fd, EVIOCGPHYS(sizeof(buffer) - 1), &buffer) < 1) { 1163d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright //fprintf(stderr, "could not get location for %s, %s\n", devicePath, strerror(errno)); 1164d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else { 1165d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright buffer[sizeof(buffer) - 1] = '\0'; 1166d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright identifier.location.setTo(buffer); 1167d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1168d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1169d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Get device unique id. 1170d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if(ioctl(fd, EVIOCGUNIQ(sizeof(buffer) - 1), &buffer) < 1) { 1171d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright //fprintf(stderr, "could not get idstring for %s, %s\n", devicePath, strerror(errno)); 1172d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else { 1173d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright buffer[sizeof(buffer) - 1] = '\0'; 1174d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright identifier.uniqueId.setTo(buffer); 1175d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1176d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1177d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Fill in the descriptor. 1178d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright assignDescriptorLocked(identifier); 1179d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1180d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Allocate device. (The device object takes ownership of the fd at this point.) 1181d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t deviceId = mNextDeviceId++; 1182d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = new Device(fd, deviceId, String8(devicePath), identifier); 1183d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1184d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV("add device %d: %s\n", deviceId, devicePath); 1185d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV(" bus: %04x\n" 1186d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright " vendor %04x\n" 1187d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright " product %04x\n" 1188d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright " version %04x\n", 1189d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright identifier.bus, identifier.vendor, identifier.product, identifier.version); 1190d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV(" name: \"%s\"\n", identifier.name.string()); 1191d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV(" location: \"%s\"\n", identifier.location.string()); 1192d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV(" unique id: \"%s\"\n", identifier.uniqueId.string()); 1193d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV(" descriptor: \"%s\"\n", identifier.descriptor.string()); 1194d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV(" driver: v%d.%d.%d\n", 1195d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright driverVersion >> 16, (driverVersion >> 8) & 0xff, driverVersion & 0xff); 1196d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1197d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Load the configuration file for the device. 1198d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright loadConfigurationLocked(device); 1199d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1200d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Figure out the kinds of events the device reports. 1201d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(device->keyBitmask)), device->keyBitmask); 1202d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(device->absBitmask)), device->absBitmask); 1203d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ioctl(fd, EVIOCGBIT(EV_REL, sizeof(device->relBitmask)), device->relBitmask); 1204d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ioctl(fd, EVIOCGBIT(EV_SW, sizeof(device->swBitmask)), device->swBitmask); 1205d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ioctl(fd, EVIOCGBIT(EV_LED, sizeof(device->ledBitmask)), device->ledBitmask); 1206d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ioctl(fd, EVIOCGBIT(EV_FF, sizeof(device->ffBitmask)), device->ffBitmask); 1207d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ioctl(fd, EVIOCGPROP(sizeof(device->propBitmask)), device->propBitmask); 1208d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1209d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // See if this is a keyboard. Ignore everything in the button range except for 1210d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // joystick and gamepad buttons which are handled like keyboards for the most part. 1211d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright bool haveKeyboardKeys = containsNonZeroByte(device->keyBitmask, 0, sizeof_bit_array(BTN_MISC)) 1212d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright || containsNonZeroByte(device->keyBitmask, sizeof_bit_array(KEY_OK), 1213d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright sizeof_bit_array(KEY_MAX + 1)); 1214d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright bool haveGamepadButtons = containsNonZeroByte(device->keyBitmask, sizeof_bit_array(BTN_MISC), 1215d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright sizeof_bit_array(BTN_MOUSE)) 1216d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright || containsNonZeroByte(device->keyBitmask, sizeof_bit_array(BTN_JOYSTICK), 1217d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright sizeof_bit_array(BTN_DIGI)); 1218d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (haveKeyboardKeys || haveGamepadButtons) { 1219d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->classes |= INPUT_DEVICE_CLASS_KEYBOARD; 1220d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1221d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1222d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // See if this is a cursor device such as a trackball or mouse. 1223d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (test_bit(BTN_MOUSE, device->keyBitmask) 1224d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright && test_bit(REL_X, device->relBitmask) 1225d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright && test_bit(REL_Y, device->relBitmask)) { 1226d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->classes |= INPUT_DEVICE_CLASS_CURSOR; 1227d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1228d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 12291941ff5815e9f8a09f6ae643addbb4119482cf16Prashant Malani // See if this is a rotary encoder type device. 12301941ff5815e9f8a09f6ae643addbb4119482cf16Prashant Malani String8 deviceType = String8(); 12311941ff5815e9f8a09f6ae643addbb4119482cf16Prashant Malani if (device->configuration && 12321941ff5815e9f8a09f6ae643addbb4119482cf16Prashant Malani device->configuration->tryGetProperty(String8("device.type"), deviceType)) { 12331941ff5815e9f8a09f6ae643addbb4119482cf16Prashant Malani if (!deviceType.compare(String8("rotaryEncoder"))) { 12341941ff5815e9f8a09f6ae643addbb4119482cf16Prashant Malani device->classes |= INPUT_DEVICE_CLASS_ROTARY_ENCODER; 12351941ff5815e9f8a09f6ae643addbb4119482cf16Prashant Malani } 12361941ff5815e9f8a09f6ae643addbb4119482cf16Prashant Malani } 12371941ff5815e9f8a09f6ae643addbb4119482cf16Prashant Malani 1238d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // See if this is a touch pad. 1239d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Is this a new modern multi-touch driver? 1240d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (test_bit(ABS_MT_POSITION_X, device->absBitmask) 1241d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright && test_bit(ABS_MT_POSITION_Y, device->absBitmask)) { 1242d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Some joysticks such as the PS3 controller report axes that conflict 1243d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // with the ABS_MT range. Try to confirm that the device really is 1244d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // a touch screen. 1245d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (test_bit(BTN_TOUCH, device->keyBitmask) || !haveGamepadButtons) { 1246d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->classes |= INPUT_DEVICE_CLASS_TOUCH | INPUT_DEVICE_CLASS_TOUCH_MT; 1247d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1248d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Is this an old style single-touch driver? 1249d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else if (test_bit(BTN_TOUCH, device->keyBitmask) 1250d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright && test_bit(ABS_X, device->absBitmask) 1251d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright && test_bit(ABS_Y, device->absBitmask)) { 1252d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->classes |= INPUT_DEVICE_CLASS_TOUCH; 1253842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright // Is this a BT stylus? 1254842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright } else if ((test_bit(ABS_PRESSURE, device->absBitmask) || 1255842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright test_bit(BTN_TOUCH, device->keyBitmask)) 1256842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright && !test_bit(ABS_X, device->absBitmask) 1257842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright && !test_bit(ABS_Y, device->absBitmask)) { 1258842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright device->classes |= INPUT_DEVICE_CLASS_EXTERNAL_STYLUS; 1259842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright // Keyboard will try to claim some of the buttons but we really want to reserve those so we 1260842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright // can fuse it with the touch screen data, so just take them back. Note this means an 1261842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright // external stylus cannot also be a keyboard device. 1262842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright device->classes &= ~INPUT_DEVICE_CLASS_KEYBOARD; 1263d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1264d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1265d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // See if this device is a joystick. 1266d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Assumes that joysticks always have gamepad buttons in order to distinguish them 1267d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // from other devices such as accelerometers that also have absolute axes. 1268d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (haveGamepadButtons) { 1269d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright uint32_t assumedClasses = device->classes | INPUT_DEVICE_CLASS_JOYSTICK; 1270d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright for (int i = 0; i <= ABS_MAX; i++) { 1271d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (test_bit(i, device->absBitmask) 1272d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright && (getAbsAxisUsage(i, assumedClasses) & INPUT_DEVICE_CLASS_JOYSTICK)) { 1273d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->classes = assumedClasses; 1274d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright break; 1275d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1276d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1277d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1278d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1279d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Check whether this device has switches. 1280d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright for (int i = 0; i <= SW_MAX; i++) { 1281d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (test_bit(i, device->swBitmask)) { 1282d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->classes |= INPUT_DEVICE_CLASS_SWITCH; 1283d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright break; 1284d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1285d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1286d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1287d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Check whether this device supports the vibrator. 1288d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (test_bit(FF_RUMBLE, device->ffBitmask)) { 1289d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->classes |= INPUT_DEVICE_CLASS_VIBRATOR; 1290d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1291d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1292d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Configure virtual keys. 1293d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if ((device->classes & INPUT_DEVICE_CLASS_TOUCH)) { 1294d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Load the virtual keys for the touch screen, if any. 1295d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // We do this now so that we can make sure to load the keymap if necessary. 1296d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright status_t status = loadVirtualKeyMapLocked(device); 1297d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (!status) { 1298d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->classes |= INPUT_DEVICE_CLASS_KEYBOARD; 1299d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1300d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1301d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1302d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Load the key map. 1303d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // We need to do this for joysticks too because the key layout may specify axes. 1304d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright status_t keyMapStatus = NAME_NOT_FOUND; 1305d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device->classes & (INPUT_DEVICE_CLASS_KEYBOARD | INPUT_DEVICE_CLASS_JOYSTICK)) { 1306d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Load the keymap for the device. 1307d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright keyMapStatus = loadKeyMapLocked(device); 1308d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1309d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1310d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Configure the keyboard, gamepad or virtual keyboard. 1311d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device->classes & INPUT_DEVICE_CLASS_KEYBOARD) { 1312d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Register the keyboard as a built-in keyboard if it is eligible. 1313d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (!keyMapStatus 1314d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright && mBuiltInKeyboardId == NO_BUILT_IN_KEYBOARD 1315d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright && isEligibleBuiltInKeyboard(device->identifier, 1316d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->configuration, &device->keyMap)) { 1317d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mBuiltInKeyboardId = device->id; 1318d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1319d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1320d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // 'Q' key support = cheap test of whether this is an alpha-capable kbd 1321d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (hasKeycodeLocked(device, AKEYCODE_Q)) { 1322d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->classes |= INPUT_DEVICE_CLASS_ALPHAKEY; 1323d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1324d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1325d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // See if this device has a DPAD. 1326d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (hasKeycodeLocked(device, AKEYCODE_DPAD_UP) && 1327d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright hasKeycodeLocked(device, AKEYCODE_DPAD_DOWN) && 1328d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright hasKeycodeLocked(device, AKEYCODE_DPAD_LEFT) && 1329d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright hasKeycodeLocked(device, AKEYCODE_DPAD_RIGHT) && 1330d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright hasKeycodeLocked(device, AKEYCODE_DPAD_CENTER)) { 1331d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->classes |= INPUT_DEVICE_CLASS_DPAD; 1332d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1333d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1334d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // See if this device has a gamepad. 1335d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright for (size_t i = 0; i < sizeof(GAMEPAD_KEYCODES)/sizeof(GAMEPAD_KEYCODES[0]); i++) { 1336d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (hasKeycodeLocked(device, GAMEPAD_KEYCODES[i])) { 1337d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->classes |= INPUT_DEVICE_CLASS_GAMEPAD; 1338d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright break; 1339d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1340d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1341d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1342d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1343d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // If the device isn't recognized as something we handle, don't monitor it. 1344d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device->classes == 0) { 1345d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV("Dropping device: id=%d, path='%s', name='%s'", 1346d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright deviceId, devicePath, device->identifier.name.string()); 1347d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright delete device; 1348d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return -1; 1349d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1350d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1351063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn // Determine whether the device has a mic. 1352063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn if (deviceHasMicLocked(device)) { 1353063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn device->classes |= INPUT_DEVICE_CLASS_MIC; 1354063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn } 1355063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn 1356d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Determine whether the device is external or internal. 1357d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (isExternalDeviceLocked(device)) { 1358d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->classes |= INPUT_DEVICE_CLASS_EXTERNAL; 1359d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1360d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 136142f2c6a92ca54ff77003ac174e0771351fbe537cMichael Wright if (device->classes & (INPUT_DEVICE_CLASS_JOYSTICK | INPUT_DEVICE_CLASS_DPAD) 136242f2c6a92ca54ff77003ac174e0771351fbe537cMichael Wright && device->classes & INPUT_DEVICE_CLASS_GAMEPAD) { 1363d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->controllerNumber = getNextControllerNumberLocked(device); 1364e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou setLedForControllerLocked(device); 1365d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1366d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1367e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou 1368e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (registerDeviceForEpollLocked(device) != OK) { 1369d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright delete device; 1370d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return -1; 1371d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1372d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1373e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou configureFd(device); 1374e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou 1375e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou ALOGI("New device: id=%d, fd=%d, path='%s', name='%s', classes=0x%x, " 1376e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou "configuration='%s', keyLayout='%s', keyCharacterMap='%s', builtinKeyboard=%s, ", 1377e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou deviceId, fd, devicePath, device->identifier.name.string(), 1378e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou device->classes, 1379e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou device->configurationFile.string(), 1380e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou device->keyMap.keyLayoutFile.string(), 1381e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou device->keyMap.keyCharacterMapFile.string(), 1382e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou toString(mBuiltInKeyboardId == deviceId)); 1383e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou 1384e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou addDeviceLocked(device); 1385e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou return OK; 1386e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou} 1387e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou 1388e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakouvoid EventHub::configureFd(Device* device) { 1389e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou // Set fd parameters with ioctl, such as key repeat, suspend block, and clock type 1390e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (device->classes & INPUT_DEVICE_CLASS_KEYBOARD) { 1391e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou // Disable kernel key repeat since we handle it ourselves 1392e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou unsigned int repeatRate[] = {0, 0}; 1393e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (ioctl(device->fd, EVIOCSREP, repeatRate)) { 1394e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou ALOGW("Unable to disable kernel key repeat for %s: %s", 1395e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou device->path.string(), strerror(errno)); 1396e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou } 1397e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou } 1398e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou 1399d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright String8 wakeMechanism("EPOLLWAKEUP"); 1400d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (!mUsingEpollWakeup) { 1401d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#ifndef EVIOCSSUSPENDBLOCK 1402d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // uapi headers don't include EVIOCSSUSPENDBLOCK, and future kernels 1403d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // will use an epoll flag instead, so as long as we want to support 1404d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // this feature, we need to be prepared to define the ioctl ourselves. 1405d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#define EVIOCSSUSPENDBLOCK _IOW('E', 0x91, int) 1406d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#endif 1407e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (ioctl(device->fd, EVIOCSSUSPENDBLOCK, 1)) { 1408d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright wakeMechanism = "<none>"; 1409d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else { 1410d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright wakeMechanism = "EVIOCSSUSPENDBLOCK"; 1411d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1412d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1413d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Tell the kernel that we want to use the monotonic clock for reporting timestamps 1414d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // associated with input events. This is important because the input system 1415d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // uses the timestamps extensively and assumes they were recorded using the monotonic 1416d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // clock. 1417d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int clockId = CLOCK_MONOTONIC; 1418e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou bool usingClockIoctl = !ioctl(device->fd, EVIOCSCLOCKID, &clockId); 1419e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou ALOGI("wakeMechanism=%s, usingClockIoctl=%s", wakeMechanism.string(), 1420e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou toString(usingClockIoctl)); 1421e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou} 1422d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1423e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakoubool EventHub::isDeviceEnabled(int32_t deviceId) { 1424e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou AutoMutex _l(mLock); 1425e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou Device* device = getDeviceLocked(deviceId); 1426e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (device == NULL) { 1427e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou ALOGE("Invalid device id=%" PRId32 " provided to %s", deviceId, __func__); 1428e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou return false; 1429e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou } 1430e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou return device->enabled; 1431e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou} 1432d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1433e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakoustatus_t EventHub::enableDevice(int32_t deviceId) { 1434e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou AutoMutex _l(mLock); 1435e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou Device* device = getDeviceLocked(deviceId); 1436e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (device == NULL) { 1437e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou ALOGE("Invalid device id=%" PRId32 " provided to %s", deviceId, __func__); 1438e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou return BAD_VALUE; 1439e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou } 1440e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (device->enabled) { 1441e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou ALOGW("Duplicate call to %s, input device %" PRId32 " already enabled", __func__, deviceId); 1442e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou return OK; 1443e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou } 1444e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou status_t result = device->enable(); 1445e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (result != OK) { 1446e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou ALOGE("Failed to enable device %" PRId32, deviceId); 1447e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou return result; 1448e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou } 1449e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou 1450e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou configureFd(device); 1451e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou 1452e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou return registerDeviceForEpollLocked(device); 1453e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou} 1454e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou 1455e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakoustatus_t EventHub::disableDevice(int32_t deviceId) { 1456e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou AutoMutex _l(mLock); 1457e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou Device* device = getDeviceLocked(deviceId); 1458e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (device == NULL) { 1459e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou ALOGE("Invalid device id=%" PRId32 " provided to %s", deviceId, __func__); 1460e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou return BAD_VALUE; 1461e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou } 1462e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou if (!device->enabled) { 1463e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou ALOGW("Duplicate call to %s, input device already disabled", __func__); 1464e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou return OK; 1465e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou } 1466e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou unregisterDeviceFromEpollLocked(device); 1467e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou return device->disable(); 1468d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1469d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1470d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::createVirtualKeyboardLocked() { 1471d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright InputDeviceIdentifier identifier; 1472d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright identifier.name = "Virtual"; 1473d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright identifier.uniqueId = "<virtual>"; 1474d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright assignDescriptorLocked(identifier); 1475d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1476d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = new Device(-1, VIRTUAL_KEYBOARD_ID, String8("<virtual>"), identifier); 1477d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->classes = INPUT_DEVICE_CLASS_KEYBOARD 1478d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright | INPUT_DEVICE_CLASS_ALPHAKEY 1479d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright | INPUT_DEVICE_CLASS_DPAD 1480d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright | INPUT_DEVICE_CLASS_VIRTUAL; 1481d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright loadKeyMapLocked(device); 1482d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright addDeviceLocked(device); 1483d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1484d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1485d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::addDeviceLocked(Device* device) { 1486d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mDevices.add(device->id, device); 1487d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->next = mOpeningDevices; 1488d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mOpeningDevices = device; 1489d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1490d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1491d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::loadConfigurationLocked(Device* device) { 1492d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->configurationFile = getInputDeviceConfigurationFilePathByDeviceIdentifier( 1493d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->identifier, INPUT_DEVICE_CONFIGURATION_FILE_TYPE_CONFIGURATION); 1494d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device->configurationFile.isEmpty()) { 1495d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGD("No input device configuration file found for device '%s'.", 1496d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->identifier.name.string()); 1497d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else { 1498d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright status_t status = PropertyMap::load(device->configurationFile, 1499d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright &device->configuration); 1500d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (status) { 1501d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGE("Error loading input device configuration file for device '%s'. " 1502d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright "Using default configuration.", 1503d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->identifier.name.string()); 1504d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1505d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1506d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1507d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1508d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstatus_t EventHub::loadVirtualKeyMapLocked(Device* device) { 1509d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // The virtual key map is supplied by the kernel as a system board property file. 1510d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright String8 path; 1511d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright path.append("/sys/board_properties/virtualkeys."); 1512d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright path.append(device->identifier.name); 1513d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (access(path.string(), R_OK)) { 1514d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return NAME_NOT_FOUND; 1515d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1516d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return VirtualKeyMap::load(path, &device->virtualKeyMap); 1517d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1518d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1519d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstatus_t EventHub::loadKeyMapLocked(Device* device) { 1520d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return device->keyMap.load(device->identifier, device->configuration); 1521d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1522d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1523d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightbool EventHub::isExternalDeviceLocked(Device* device) { 1524d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device->configuration) { 1525d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright bool value; 1526d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device->configuration->tryGetProperty(String8("device.internal"), value)) { 1527d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return !value; 1528d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1529d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1530d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return device->identifier.bus == BUS_USB || device->identifier.bus == BUS_BLUETOOTH; 1531d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1532d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1533063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbournbool EventHub::deviceHasMicLocked(Device* device) { 1534063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn if (device->configuration) { 1535063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn bool value; 1536063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn if (device->configuration->tryGetProperty(String8("audio.mic"), value)) { 1537063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn return value; 1538063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn } 1539063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn } 1540063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn return false; 1541063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn} 1542063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn 1543d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightint32_t EventHub::getNextControllerNumberLocked(Device* device) { 1544d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (mControllerNumbers.isFull()) { 1545d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGI("Maximum number of controllers reached, assigning controller number 0 to device %s", 1546d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->identifier.name.string()); 1547d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return 0; 1548d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1549d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Since the controller number 0 is reserved for non-controllers, translate all numbers up by 1550d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // one 1551d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return static_cast<int32_t>(mControllerNumbers.markFirstUnmarkedBit() + 1); 1552d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1553d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1554d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::releaseControllerNumberLocked(Device* device) { 1555d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t num = device->controllerNumber; 1556d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->controllerNumber= 0; 1557d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (num == 0) { 1558d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return; 1559d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1560d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mControllerNumbers.clearBit(static_cast<uint32_t>(num - 1)); 1561d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1562d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1563e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakouvoid EventHub::setLedForControllerLocked(Device* device) { 1564d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright for (int i = 0; i < MAX_CONTROLLER_LEDS; i++) { 1565d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright setLedStateLocked(device, ALED_CONTROLLER_1 + i, device->controllerNumber == i + 1); 1566d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1567d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1568d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1569d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightbool EventHub::hasKeycodeLocked(Device* device, int keycode) const { 15706183eb72ec16ef36a31a9d92ad4268247a906ef0Bernhard Rosenkränzer if (!device->keyMap.haveKeyLayout()) { 1571d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return false; 1572d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1573e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou 1574d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Vector<int32_t> scanCodes; 1575d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->keyMap.keyLayoutMap->findScanCodesForKey(keycode, &scanCodes); 1576d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright const size_t N = scanCodes.size(); 1577d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright for (size_t i=0; i<N && i<=KEY_MAX; i++) { 1578d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t sc = scanCodes.itemAt(i); 1579d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (sc >= 0 && sc <= KEY_MAX && test_bit(sc, device->keyBitmask)) { 1580d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return true; 1581d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1582d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1583e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou 1584d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return false; 1585d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1586d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1587d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstatus_t EventHub::mapLed(Device* device, int32_t led, int32_t* outScanCode) const { 15886183eb72ec16ef36a31a9d92ad4268247a906ef0Bernhard Rosenkränzer if (!device->keyMap.haveKeyLayout()) { 1589d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return NAME_NOT_FOUND; 1590d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1591d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1592d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t scanCode; 1593d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if(device->keyMap.keyLayoutMap->findScanCodeForLed(led, &scanCode) != NAME_NOT_FOUND) { 1594d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if(scanCode >= 0 && scanCode <= LED_MAX && test_bit(scanCode, device->ledBitmask)) { 1595d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright *outScanCode = scanCode; 1596d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return NO_ERROR; 1597d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1598d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1599d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return NAME_NOT_FOUND; 1600d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1601d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1602d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstatus_t EventHub::closeDeviceByPathLocked(const char *devicePath) { 1603d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* device = getDeviceByPathLocked(devicePath); 1604d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device) { 1605d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright closeDeviceLocked(device); 1606d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return 0; 1607d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1608d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV("Remove device: %s not found, device may already have been removed.", devicePath); 1609d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return -1; 1610d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1611d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1612d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::closeAllDevicesLocked() { 1613d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright while (mDevices.size() > 0) { 1614d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright closeDeviceLocked(mDevices.valueAt(mDevices.size() - 1)); 1615d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1616d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1617d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1618d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::closeDeviceLocked(Device* device) { 1619d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGI("Removed device: path=%s name=%s id=%d fd=%d classes=0x%x\n", 1620d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->path.string(), device->identifier.name.string(), device->id, 1621d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->fd, device->classes); 1622d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1623d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (device->id == mBuiltInKeyboardId) { 1624d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGW("built-in keyboard device %s (id=%d) is closing! the apps will not like this", 1625d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->path.string(), mBuiltInKeyboardId); 1626d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mBuiltInKeyboardId = NO_BUILT_IN_KEYBOARD; 1627d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1628d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1629e54cb8574f9c44256c88c192ec28256fbd0b3006Siarhei Vishniakou unregisterDeviceFromEpollLocked(device); 1630d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1631d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright releaseControllerNumberLocked(device); 1632d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1633d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mDevices.removeItem(device->id); 1634d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->close(); 1635d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1636d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Unlink for opening devices list if it is present. 1637d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* pred = NULL; 1638d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright bool found = false; 1639d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright for (Device* entry = mOpeningDevices; entry != NULL; ) { 1640d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (entry == device) { 1641d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright found = true; 1642d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright break; 1643d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1644d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright pred = entry; 1645d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright entry = entry->next; 1646d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1647d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (found) { 1648d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Unlink the device from the opening devices list then delete it. 1649d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // We don't need to tell the client that the device was closed because 1650d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // it does not even know it was opened in the first place. 1651d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGI("Device %s was immediately closed after opening.", device->path.string()); 1652d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (pred) { 1653d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright pred->next = device->next; 1654d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else { 1655d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mOpeningDevices = device->next; 1656d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1657d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright delete device; 1658d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else { 1659d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Link into closing devices list. 1660d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // The device will be deleted later after we have informed the client. 1661d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->next = mClosingDevices; 1662d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mClosingDevices = device; 1663d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1664d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1665d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1666d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstatus_t EventHub::readNotifyLocked() { 1667d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int res; 1668d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright char devname[PATH_MAX]; 1669d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright char *filename; 1670d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright char event_buf[512]; 1671d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int event_size; 1672d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int event_pos = 0; 1673d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright struct inotify_event *event; 1674d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1675d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV("EventHub::readNotify nfd: %d\n", mINotifyFd); 1676d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright res = read(mINotifyFd, event_buf, sizeof(event_buf)); 1677d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if(res < (int)sizeof(*event)) { 1678d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if(errno == EINTR) 1679d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return 0; 1680d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGW("could not get event, %s\n", strerror(errno)); 1681d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return -1; 1682d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1683d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright //printf("got %d bytes of event information\n", res); 1684d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1685d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright strcpy(devname, DEVICE_PATH); 1686d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright filename = devname + strlen(devname); 1687d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright *filename++ = '/'; 1688d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1689d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright while(res >= (int)sizeof(*event)) { 1690d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event = (struct inotify_event *)(event_buf + event_pos); 1691d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright //printf("%d: %08x \"%s\"\n", event->wd, event->mask, event->len ? event->name : ""); 1692d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if(event->len) { 1693d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright strcpy(filename, event->name); 1694d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if(event->mask & IN_CREATE) { 1695d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright openDeviceLocked(devname); 1696d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else { 1697d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGI("Removing device '%s' due to inotify event\n", devname); 1698d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright closeDeviceByPathLocked(devname); 1699d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1700d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1701d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event_size = sizeof(*event) + event->len; 1702d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright res -= event_size; 1703d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright event_pos += event_size; 1704d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1705d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return 0; 1706d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1707d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1708d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstatus_t EventHub::scanDirLocked(const char *dirname) 1709d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright{ 1710d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright char devname[PATH_MAX]; 1711d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright char *filename; 1712d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright DIR *dir; 1713d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright struct dirent *de; 1714d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright dir = opendir(dirname); 1715d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if(dir == NULL) 1716d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return -1; 1717d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright strcpy(devname, dirname); 1718d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright filename = devname + strlen(devname); 1719d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright *filename++ = '/'; 1720d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright while((de = readdir(dir))) { 1721d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if(de->d_name[0] == '.' && 1722d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright (de->d_name[1] == '\0' || 1723d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright (de->d_name[1] == '.' && de->d_name[2] == '\0'))) 1724d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright continue; 1725d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright strcpy(filename, de->d_name); 1726d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright openDeviceLocked(devname); 1727d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1728d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright closedir(dir); 1729d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return 0; 1730d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1731d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1732d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::requestReopenDevices() { 1733d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ALOGV("requestReopenDevices() called"); 1734d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1735d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 1736d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mNeedToReopenDevices = true; 1737d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1738d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1739f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakouvoid EventHub::dump(std::string& dump) { 1740f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou dump += "Event Hub State:\n"; 1741d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1742d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright { // acquire lock 1743d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AutoMutex _l(mLock); 1744d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1745f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou dump += StringPrintf(INDENT "BuiltInKeyboardId: %d\n", mBuiltInKeyboardId); 1746d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1747f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou dump += INDENT "Devices:\n"; 1748d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1749d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright for (size_t i = 0; i < mDevices.size(); i++) { 1750d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright const Device* device = mDevices.valueAt(i); 1751d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (mBuiltInKeyboardId == device->id) { 1752f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou dump += StringPrintf(INDENT2 "%d: %s (aka device 0 - built-in keyboard)\n", 1753d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->id, device->identifier.name.string()); 1754d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } else { 1755f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou dump += StringPrintf(INDENT2 "%d: %s\n", device->id, 1756d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->identifier.name.string()); 1757d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1758f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou dump += StringPrintf(INDENT3 "Classes: 0x%08x\n", device->classes); 1759f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou dump += StringPrintf(INDENT3 "Path: %s\n", device->path.string()); 1760f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou dump += StringPrintf(INDENT3 "Enabled: %s\n", toString(device->enabled)); 1761f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou dump += StringPrintf(INDENT3 "Descriptor: %s\n", device->identifier.descriptor.string()); 1762f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou dump += StringPrintf(INDENT3 "Location: %s\n", device->identifier.location.string()); 1763f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou dump += StringPrintf(INDENT3 "ControllerNumber: %d\n", device->controllerNumber); 1764f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou dump += StringPrintf(INDENT3 "UniqueId: %s\n", device->identifier.uniqueId.string()); 1765f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou dump += StringPrintf(INDENT3 "Identifier: bus=0x%04x, vendor=0x%04x, " 1766d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright "product=0x%04x, version=0x%04x\n", 1767d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->identifier.bus, device->identifier.vendor, 1768d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->identifier.product, device->identifier.version); 1769f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou dump += StringPrintf(INDENT3 "KeyLayoutFile: %s\n", 1770d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->keyMap.keyLayoutFile.string()); 1771f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou dump += StringPrintf(INDENT3 "KeyCharacterMapFile: %s\n", 1772d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->keyMap.keyCharacterMapFile.string()); 1773f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou dump += StringPrintf(INDENT3 "ConfigurationFile: %s\n", 1774d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright device->configurationFile.string()); 1775f93fcf4c403fa4181536821680d495824a4290c5Siarhei Vishniakou dump += StringPrintf(INDENT3 "HaveKeyboardLayoutOverlay: %s\n", 1776d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright toString(device->overlayKeyMap != NULL)); 1777d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 1778d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } // release lock 1779d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1780d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1781d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightvoid EventHub::monitor() { 1782d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Acquire and release the lock to ensure that the event hub has not deadlocked. 1783d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mLock.lock(); 1784d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mLock.unlock(); 1785d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright} 1786d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1787d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 1788d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright}; // namespace android 1789