1 /* 2 * $Id: hid-input.c,v 1.2 2002/04/23 00:59:25 rdamazio Exp $ 3 * 4 * Copyright (c) 2000-2001 Vojtech Pavlik 5 * Copyright (c) 2006-2007 Jiri Kosina 6 * 7 * HID to Linux Input mapping 8 */ 9 10 /* 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License as published by 13 * the Free Software Foundation; either version 2 of the License, or 14 * (at your option) any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 24 * 25 * Should you need to contact me, the author, you can do so either by 26 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: 27 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic 28 */ 29 30 #include <linux/module.h> 31 #include <linux/slab.h> 32 #include <linux/kernel.h> 33 34 #include <linux/hid.h> 35 #include <linux/hid-debug.h> 36 37 static int hid_pb_fnmode = 1; 38 module_param_named(pb_fnmode, hid_pb_fnmode, int, 0644); 39 MODULE_PARM_DESC(pb_fnmode, 40 "Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)"); 41 42 #define unk KEY_UNKNOWN 43 44 static const unsigned char hid_keyboard[256] = { 45 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, 46 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3, 47 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26, 48 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64, 49 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106, 50 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71, 51 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190, 52 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113, 53 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk, 54 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, 55 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, 56 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, 57 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, 58 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, 59 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113, 60 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk 61 }; 62 63 /* extended mapping for certain Logitech hardware (Logitech cordless desktop LX500) */ 64 #define LOGITECH_EXPANDED_KEYMAP_SIZE 80 65 static int logitech_expanded_keymap[LOGITECH_EXPANDED_KEYMAP_SIZE] = { 66 0,216, 0,213,175,156, 0, 0, 0, 0, 67 144, 0, 0, 0, 0, 0, 0, 0, 0,212, 68 174,167,152,161,112, 0, 0, 0,154, 0, 69 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 70 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 71 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 72 0, 0, 0, 0, 0,183,184,185,186,187, 73 188,189,190,191,192,193,194, 0, 0, 0 74 }; 75 76 static const struct { 77 __s32 x; 78 __s32 y; 79 } hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}}; 80 81 #define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0) 82 #define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0) 83 #define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0) 84 #define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0) 85 86 #define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0) 87 #define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0) 88 89 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK 90 91 struct hidinput_key_translation { 92 u16 from; 93 u16 to; 94 u8 flags; 95 }; 96 97 #define POWERBOOK_FLAG_FKEY 0x01 98 99 static struct hidinput_key_translation powerbook_fn_keys[] = { 100 { KEY_BACKSPACE, KEY_DELETE }, 101 { KEY_F1, KEY_BRIGHTNESSDOWN, POWERBOOK_FLAG_FKEY }, 102 { KEY_F2, KEY_BRIGHTNESSUP, POWERBOOK_FLAG_FKEY }, 103 { KEY_F3, KEY_MUTE, POWERBOOK_FLAG_FKEY }, 104 { KEY_F4, KEY_VOLUMEDOWN, POWERBOOK_FLAG_FKEY }, 105 { KEY_F5, KEY_VOLUMEUP, POWERBOOK_FLAG_FKEY }, 106 { KEY_F6, KEY_NUMLOCK, POWERBOOK_FLAG_FKEY }, 107 { KEY_F7, KEY_SWITCHVIDEOMODE, POWERBOOK_FLAG_FKEY }, 108 { KEY_F8, KEY_KBDILLUMTOGGLE, POWERBOOK_FLAG_FKEY }, 109 { KEY_F9, KEY_KBDILLUMDOWN, POWERBOOK_FLAG_FKEY }, 110 { KEY_F10, KEY_KBDILLUMUP, POWERBOOK_FLAG_FKEY }, 111 { KEY_UP, KEY_PAGEUP }, 112 { KEY_DOWN, KEY_PAGEDOWN }, 113 { KEY_LEFT, KEY_HOME }, 114 { KEY_RIGHT, KEY_END }, 115 { } 116 }; 117 118 static struct hidinput_key_translation powerbook_numlock_keys[] = { 119 { KEY_J, KEY_KP1 }, 120 { KEY_K, KEY_KP2 }, 121 { KEY_L, KEY_KP3 }, 122 { KEY_U, KEY_KP4 }, 123 { KEY_I, KEY_KP5 }, 124 { KEY_O, KEY_KP6 }, 125 { KEY_7, KEY_KP7 }, 126 { KEY_8, KEY_KP8 }, 127 { KEY_9, KEY_KP9 }, 128 { KEY_M, KEY_KP0 }, 129 { KEY_DOT, KEY_KPDOT }, 130 { KEY_SLASH, KEY_KPPLUS }, 131 { KEY_SEMICOLON, KEY_KPMINUS }, 132 { KEY_P, KEY_KPASTERISK }, 133 { KEY_MINUS, KEY_KPEQUAL }, 134 { KEY_0, KEY_KPSLASH }, 135 { KEY_F6, KEY_NUMLOCK }, 136 { KEY_KPENTER, KEY_KPENTER }, 137 { KEY_BACKSPACE, KEY_BACKSPACE }, 138 { } 139 }; 140 141 static struct hidinput_key_translation powerbook_iso_keyboard[] = { 142 { KEY_GRAVE, KEY_102ND }, 143 { KEY_102ND, KEY_GRAVE }, 144 { } 145 }; 146 147 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from) 148 { 149 struct hidinput_key_translation *trans; 150 151 /* Look for the translation */ 152 for (trans = table; trans->from; trans++) 153 if (trans->from == from) 154 return trans; 155 156 return NULL; 157 } 158 159 static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input, 160 struct hid_usage *usage, __s32 value) 161 { 162 struct hidinput_key_translation *trans; 163 164 if (usage->code == KEY_FN) { 165 if (value) hid->quirks |= HID_QUIRK_POWERBOOK_FN_ON; 166 else hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON; 167 168 input_event(input, usage->type, usage->code, value); 169 170 return 1; 171 } 172 173 if (hid_pb_fnmode) { 174 int do_translate; 175 176 trans = find_translation(powerbook_fn_keys, usage->code); 177 if (trans) { 178 if (test_bit(usage->code, hid->pb_pressed_fn)) 179 do_translate = 1; 180 else if (trans->flags & POWERBOOK_FLAG_FKEY) 181 do_translate = 182 (hid_pb_fnmode == 2 && (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) || 183 (hid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)); 184 else 185 do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON); 186 187 if (do_translate) { 188 if (value) 189 set_bit(usage->code, hid->pb_pressed_fn); 190 else 191 clear_bit(usage->code, hid->pb_pressed_fn); 192 193 input_event(input, usage->type, trans->to, value); 194 195 return 1; 196 } 197 } 198 199 if (test_bit(usage->code, hid->pb_pressed_numlock) || 200 test_bit(LED_NUML, input->led)) { 201 trans = find_translation(powerbook_numlock_keys, usage->code); 202 203 if (trans) { 204 if (value) 205 set_bit(usage->code, hid->pb_pressed_numlock); 206 else 207 clear_bit(usage->code, hid->pb_pressed_numlock); 208 209 input_event(input, usage->type, trans->to, value); 210 } 211 212 return 1; 213 } 214 } 215 216 if (hid->quirks & HID_QUIRK_POWERBOOK_ISO_KEYBOARD) { 217 trans = find_translation(powerbook_iso_keyboard, usage->code); 218 if (trans) { 219 input_event(input, usage->type, trans->to, value); 220 return 1; 221 } 222 } 223 224 return 0; 225 } 226 227 static void hidinput_pb_setup(struct input_dev *input) 228 { 229 struct hidinput_key_translation *trans; 230 231 set_bit(KEY_NUMLOCK, input->keybit); 232 233 /* Enable all needed keys */ 234 for (trans = powerbook_fn_keys; trans->from; trans++) 235 set_bit(trans->to, input->keybit); 236 237 for (trans = powerbook_numlock_keys; trans->from; trans++) 238 set_bit(trans->to, input->keybit); 239 240 for (trans = powerbook_iso_keyboard; trans->from; trans++) 241 set_bit(trans->to, input->keybit); 242 243 } 244 #else 245 static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input, 246 struct hid_usage *usage, __s32 value) 247 { 248 return 0; 249 } 250 251 static inline void hidinput_pb_setup(struct input_dev *input) 252 { 253 } 254 #endif 255 256 static inline int match_scancode(int code, int scancode) 257 { 258 if (scancode == 0) 259 return 1; 260 return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode); 261 } 262 263 static inline int match_keycode(int code, int keycode) 264 { 265 if (keycode == 0) 266 return 1; 267 return (code == keycode); 268 } 269 270 static struct hid_usage *hidinput_find_key(struct hid_device *hid, 271 int scancode, int keycode) 272 { 273 int i, j, k; 274 struct hid_report *report; 275 struct hid_usage *usage; 276 277 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { 278 list_for_each_entry(report, &hid->report_enum[k].report_list, list) { 279 for (i = 0; i < report->maxfield; i++) { 280 for ( j = 0; j < report->field[i]->maxusage; j++) { 281 usage = report->field[i]->usage + j; 282 if (usage->type == EV_KEY && 283 match_scancode(usage->hid, scancode) && 284 match_keycode(usage->code, keycode)) 285 return usage; 286 } 287 } 288 } 289 } 290 return NULL; 291 } 292 293 static int hidinput_getkeycode(struct input_dev *dev, int scancode, 294 int *keycode) 295 { 296 struct hid_device *hid = dev->private; 297 struct hid_usage *usage; 298 299 usage = hidinput_find_key(hid, scancode, 0); 300 if (usage) { 301 *keycode = usage->code; 302 return 0; 303 } 304 return -EINVAL; 305 } 306 307 static int hidinput_setkeycode(struct input_dev *dev, int scancode, 308 int keycode) 309 { 310 struct hid_device *hid = dev->private; 311 struct hid_usage *usage; 312 int old_keycode; 313 314 if (keycode < 0 || keycode > KEY_MAX) 315 return -EINVAL; 316 317 usage = hidinput_find_key(hid, scancode, 0); 318 if (usage) { 319 old_keycode = usage->code; 320 usage->code = keycode; 321 322 clear_bit(old_keycode, dev->keybit); 323 set_bit(usage->code, dev->keybit); 324 dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode); 325 /* Set the keybit for the old keycode if the old keycode is used 326 * by another key */ 327 if (hidinput_find_key (hid, 0, old_keycode)) 328 set_bit(old_keycode, dev->keybit); 329 330 return 0; 331 } 332 333 return -EINVAL; 334 } 335 336 337 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field, 338 struct hid_usage *usage) 339 { 340 struct input_dev *input = hidinput->input; 341 struct hid_device *device = input_get_drvdata(input); 342 int max = 0, code; 343 unsigned long *bit = NULL; 344 345 field->hidinput = hidinput; 346 347 dbg_hid("Mapping: "); 348 hid_resolv_usage(usage->hid); 349 dbg_hid_line(" ---> "); 350 351 if (field->flags & HID_MAIN_ITEM_CONSTANT) 352 goto ignore; 353 354 switch (usage->hid & HID_USAGE_PAGE) { 355 356 case HID_UP_UNDEFINED: 357 goto ignore; 358 359 case HID_UP_KEYBOARD: 360 361 set_bit(EV_REP, input->evbit); 362 363 if ((usage->hid & HID_USAGE) < 256) { 364 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore; 365 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]); 366 } else 367 map_key(KEY_UNKNOWN); 368 369 break; 370 371 case HID_UP_BUTTON: 372 373 code = ((usage->hid - 1) & 0xf); 374 375 switch (field->application) { 376 case HID_GD_MOUSE: 377 case HID_GD_POINTER: code += 0x110; break; 378 case HID_GD_JOYSTICK: code += 0x120; break; 379 case HID_GD_GAMEPAD: code += 0x130; break; 380 default: 381 switch (field->physical) { 382 case HID_GD_MOUSE: 383 case HID_GD_POINTER: code += 0x110; break; 384 case HID_GD_JOYSTICK: code += 0x120; break; 385 case HID_GD_GAMEPAD: code += 0x130; break; 386 default: code += 0x100; 387 } 388 } 389 390 /* Special handling for Logitech Cordless Desktop */ 391 if (field->application != HID_GD_MOUSE) { 392 if (device->quirks & HID_QUIRK_LOGITECH_EXPANDED_KEYMAP) { 393 int hid = usage->hid & HID_USAGE; 394 if (hid < LOGITECH_EXPANDED_KEYMAP_SIZE && logitech_expanded_keymap[hid] != 0) 395 code = logitech_expanded_keymap[hid]; 396 } 397 } else { 398 if (device->quirks & HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL) { 399 int hid = usage->hid & HID_USAGE; 400 if (hid == 7 || hid == 8) 401 goto ignore; 402 } 403 } 404 405 map_key(code); 406 break; 407 408 409 case HID_UP_SIMULATION: 410 411 switch (usage->hid & 0xffff) { 412 case 0xba: map_abs(ABS_RUDDER); break; 413 case 0xbb: map_abs(ABS_THROTTLE); break; 414 case 0xc4: map_abs(ABS_GAS); break; 415 case 0xc5: map_abs(ABS_BRAKE); break; 416 case 0xc8: map_abs(ABS_WHEEL); break; 417 default: goto ignore; 418 } 419 break; 420 421 case HID_UP_GENDESK: 422 423 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ 424 switch (usage->hid & 0xf) { 425 case 0x1: map_key_clear(KEY_POWER); break; 426 case 0x2: map_key_clear(KEY_SLEEP); break; 427 case 0x3: map_key_clear(KEY_WAKEUP); break; 428 default: goto unknown; 429 } 430 break; 431 } 432 433 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */ 434 switch (usage->hid) { 435 case HID_GD_UP: usage->hat_dir = 1; break; 436 case HID_GD_DOWN: usage->hat_dir = 5; break; 437 case HID_GD_RIGHT: usage->hat_dir = 3; break; 438 case HID_GD_LEFT: usage->hat_dir = 7; break; 439 default: goto unknown; 440 } 441 if (field->dpad) { 442 map_abs(field->dpad); 443 goto ignore; 444 } 445 map_abs(ABS_HAT0X); 446 break; 447 } 448 449 switch (usage->hid) { 450 451 /* These usage IDs map directly to the usage codes. */ 452 case HID_GD_X: case HID_GD_Y: case HID_GD_Z: 453 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ: 454 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL: 455 if (field->flags & HID_MAIN_ITEM_RELATIVE) 456 map_rel(usage->hid & 0xf); 457 else 458 map_abs(usage->hid & 0xf); 459 break; 460 461 case HID_GD_HATSWITCH: 462 usage->hat_min = field->logical_minimum; 463 usage->hat_max = field->logical_maximum; 464 map_abs(ABS_HAT0X); 465 break; 466 467 case HID_GD_START: map_key_clear(BTN_START); break; 468 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break; 469 470 default: goto unknown; 471 } 472 473 break; 474 475 case HID_UP_LED: 476 477 switch (usage->hid & 0xffff) { /* HID-Value: */ 478 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */ 479 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */ 480 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */ 481 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */ 482 case 0x05: map_led (LED_KANA); break; /* "Kana" */ 483 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */ 484 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */ 485 case 0x09: map_led (LED_MUTE); break; /* "Mute" */ 486 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */ 487 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */ 488 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */ 489 490 default: goto ignore; 491 } 492 break; 493 494 case HID_UP_DIGITIZER: 495 496 switch (usage->hid & 0xff) { 497 498 case 0x30: /* TipPressure */ 499 if (!test_bit(BTN_TOUCH, input->keybit)) { 500 device->quirks |= HID_QUIRK_NOTOUCH; 501 set_bit(EV_KEY, input->evbit); 502 set_bit(BTN_TOUCH, input->keybit); 503 } 504 505 map_abs_clear(ABS_PRESSURE); 506 break; 507 508 case 0x32: /* InRange */ 509 switch (field->physical & 0xff) { 510 case 0x21: map_key(BTN_TOOL_MOUSE); break; 511 case 0x22: map_key(BTN_TOOL_FINGER); break; 512 default: map_key(BTN_TOOL_PEN); break; 513 } 514 break; 515 516 case 0x3c: /* Invert */ 517 map_key_clear(BTN_TOOL_RUBBER); 518 break; 519 520 case 0x33: /* Touch */ 521 case 0x42: /* TipSwitch */ 522 case 0x43: /* TipSwitch2 */ 523 device->quirks &= ~HID_QUIRK_NOTOUCH; 524 map_key_clear(BTN_TOUCH); 525 break; 526 527 case 0x44: /* BarrelSwitch */ 528 map_key_clear(BTN_STYLUS); 529 break; 530 531 default: goto unknown; 532 } 533 break; 534 535 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */ 536 537 switch (usage->hid & HID_USAGE) { 538 case 0x000: goto ignore; 539 case 0x034: map_key_clear(KEY_SLEEP); break; 540 case 0x036: map_key_clear(BTN_MISC); break; 541 /* 542 * The next three are reported by Belkin wireless 543 * keyboard (1020:0006). These values are "reserved" 544 * in HUT 1.12. 545 */ 546 case 0x03a: map_key_clear(KEY_SOUND); break; 547 case 0x03b: map_key_clear(KEY_CAMERA); break; 548 case 0x03c: map_key_clear(KEY_DOCUMENTS); break; 549 550 case 0x040: map_key_clear(KEY_MENU); break; 551 case 0x045: map_key_clear(KEY_RADIO); break; 552 553 case 0x083: map_key_clear(KEY_LAST); break; 554 case 0x088: map_key_clear(KEY_PC); break; 555 case 0x089: map_key_clear(KEY_TV); break; 556 case 0x08a: map_key_clear(KEY_WWW); break; 557 case 0x08b: map_key_clear(KEY_DVD); break; 558 case 0x08c: map_key_clear(KEY_PHONE); break; 559 case 0x08d: map_key_clear(KEY_PROGRAM); break; 560 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break; 561 case 0x08f: map_key_clear(KEY_GAMES); break; 562 case 0x090: map_key_clear(KEY_MEMO); break; 563 case 0x091: map_key_clear(KEY_CD); break; 564 case 0x092: map_key_clear(KEY_VCR); break; 565 case 0x093: map_key_clear(KEY_TUNER); break; 566 case 0x094: map_key_clear(KEY_EXIT); break; 567 case 0x095: map_key_clear(KEY_HELP); break; 568 case 0x096: map_key_clear(KEY_TAPE); break; 569 case 0x097: map_key_clear(KEY_TV2); break; 570 case 0x098: map_key_clear(KEY_SAT); break; 571 case 0x09a: map_key_clear(KEY_PVR); break; 572 573 case 0x09c: map_key_clear(KEY_CHANNELUP); break; 574 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break; 575 case 0x0a0: map_key_clear(KEY_VCR2); break; 576 577 case 0x0b0: map_key_clear(KEY_PLAY); break; 578 case 0x0b1: map_key_clear(KEY_PAUSE); break; 579 case 0x0b2: map_key_clear(KEY_RECORD); break; 580 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break; 581 case 0x0b4: map_key_clear(KEY_REWIND); break; 582 case 0x0b5: map_key_clear(KEY_NEXTSONG); break; 583 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break; 584 case 0x0b7: map_key_clear(KEY_STOPCD); break; 585 case 0x0b8: map_key_clear(KEY_EJECTCD); break; 586 587 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break; 588 case 0x0e0: map_abs_clear(ABS_VOLUME); break; 589 case 0x0e2: map_key_clear(KEY_MUTE); break; 590 case 0x0e5: map_key_clear(KEY_BASSBOOST); break; 591 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break; 592 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break; 593 594 /* reserved in HUT 1.12. Reported on Petalynx remote */ 595 case 0x0f6: map_key_clear(KEY_NEXT); break; 596 case 0x0fa: map_key_clear(KEY_BACK); break; 597 598 case 0x183: map_key_clear(KEY_CONFIG); break; 599 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break; 600 case 0x185: map_key_clear(KEY_EDITOR); break; 601 case 0x186: map_key_clear(KEY_SPREADSHEET); break; 602 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break; 603 case 0x188: map_key_clear(KEY_PRESENTATION); break; 604 case 0x189: map_key_clear(KEY_DATABASE); break; 605 case 0x18a: map_key_clear(KEY_MAIL); break; 606 case 0x18b: map_key_clear(KEY_NEWS); break; 607 case 0x18c: map_key_clear(KEY_VOICEMAIL); break; 608 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break; 609 case 0x18e: map_key_clear(KEY_CALENDAR); break; 610 case 0x191: map_key_clear(KEY_FINANCE); break; 611 case 0x192: map_key_clear(KEY_CALC); break; 612 case 0x194: map_key_clear(KEY_FILE); break; 613 case 0x196: map_key_clear(KEY_WWW); break; 614 case 0x19e: map_key_clear(KEY_COFFEE); break; 615 case 0x1a6: map_key_clear(KEY_HELP); break; 616 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break; 617 case 0x1bc: map_key_clear(KEY_MESSENGER); break; 618 case 0x1bd: map_key_clear(KEY_INFO); break; 619 case 0x201: map_key_clear(KEY_NEW); break; 620 case 0x202: map_key_clear(KEY_OPEN); break; 621 case 0x203: map_key_clear(KEY_CLOSE); break; 622 case 0x204: map_key_clear(KEY_EXIT); break; 623 case 0x207: map_key_clear(KEY_SAVE); break; 624 case 0x208: map_key_clear(KEY_PRINT); break; 625 case 0x209: map_key_clear(KEY_PROPS); break; 626 case 0x21a: map_key_clear(KEY_UNDO); break; 627 case 0x21b: map_key_clear(KEY_COPY); break; 628 case 0x21c: map_key_clear(KEY_CUT); break; 629 case 0x21d: map_key_clear(KEY_PASTE); break; 630 case 0x21f: map_key_clear(KEY_FIND); break; 631 case 0x221: map_key_clear(KEY_SEARCH); break; 632 case 0x222: map_key_clear(KEY_GOTO); break; 633 case 0x223: map_key_clear(KEY_HOMEPAGE); break; 634 case 0x224: map_key_clear(KEY_BACK); break; 635 case 0x225: map_key_clear(KEY_FORWARD); break; 636 case 0x226: map_key_clear(KEY_STOP); break; 637 case 0x227: map_key_clear(KEY_REFRESH); break; 638 case 0x22a: map_key_clear(KEY_BOOKMARKS); break; 639 case 0x22d: map_key_clear(KEY_ZOOMIN); break; 640 case 0x22e: map_key_clear(KEY_ZOOMOUT); break; 641 case 0x22f: map_key_clear(KEY_ZOOMRESET); break; 642 case 0x233: map_key_clear(KEY_SCROLLUP); break; 643 case 0x234: map_key_clear(KEY_SCROLLDOWN); break; 644 case 0x238: map_rel(REL_HWHEEL); break; 645 case 0x25f: map_key_clear(KEY_CANCEL); break; 646 case 0x279: map_key_clear(KEY_REDO); break; 647 648 case 0x289: map_key_clear(KEY_REPLY); break; 649 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break; 650 case 0x28c: map_key_clear(KEY_SEND); break; 651 652 /* Reported on a Cherry Cymotion keyboard */ 653 case 0x301: map_key_clear(KEY_PROG1); break; 654 case 0x302: map_key_clear(KEY_PROG2); break; 655 case 0x303: map_key_clear(KEY_PROG3); break; 656 657 /* Reported on certain Logitech wireless keyboards */ 658 case 0x1001: map_key_clear(KEY_MESSENGER); break; 659 case 0x1003: map_key_clear(KEY_SOUND); break; 660 case 0x1004: map_key_clear(KEY_VIDEO); break; 661 case 0x1005: map_key_clear(KEY_AUDIO); break; 662 case 0x100a: map_key_clear(KEY_DOCUMENTS); break; 663 case 0x1011: map_key_clear(KEY_PREVIOUSSONG); break; 664 case 0x1012: map_key_clear(KEY_NEXTSONG); break; 665 case 0x1013: map_key_clear(KEY_CAMERA); break; 666 case 0x1014: map_key_clear(KEY_MESSENGER); break; 667 case 0x1015: map_key_clear(KEY_RECORD); break; 668 case 0x1016: map_key_clear(KEY_PLAYER); break; 669 case 0x1017: map_key_clear(KEY_EJECTCD); break; 670 case 0x1018: map_key_clear(KEY_MEDIA); break; 671 case 0x1019: map_key_clear(KEY_PROG1); break; 672 case 0x101a: map_key_clear(KEY_PROG2); break; 673 case 0x101b: map_key_clear(KEY_PROG3); break; 674 case 0x101f: map_key_clear(KEY_ZOOMIN); break; 675 case 0x1020: map_key_clear(KEY_ZOOMOUT); break; 676 case 0x1021: map_key_clear(KEY_ZOOMRESET); break; 677 case 0x1023: map_key_clear(KEY_CLOSE); break; 678 case 0x1027: map_key_clear(KEY_MENU); break; 679 /* this one is marked as 'Rotate' */ 680 case 0x1028: map_key_clear(KEY_ANGLE); break; 681 case 0x1029: map_key_clear(KEY_SHUFFLE); break; 682 case 0x102a: map_key_clear(KEY_BACK); break; 683 case 0x102b: map_key_clear(KEY_CYCLEWINDOWS); break; 684 case 0x1041: map_key_clear(KEY_BATTERY); break; 685 case 0x1042: map_key_clear(KEY_WORDPROCESSOR); break; 686 case 0x1043: map_key_clear(KEY_SPREADSHEET); break; 687 case 0x1044: map_key_clear(KEY_PRESENTATION); break; 688 case 0x1045: map_key_clear(KEY_UNDO); break; 689 case 0x1046: map_key_clear(KEY_REDO); break; 690 case 0x1047: map_key_clear(KEY_PRINT); break; 691 case 0x1048: map_key_clear(KEY_SAVE); break; 692 case 0x1049: map_key_clear(KEY_PROG1); break; 693 case 0x104a: map_key_clear(KEY_PROG2); break; 694 case 0x104b: map_key_clear(KEY_PROG3); break; 695 case 0x104c: map_key_clear(KEY_PROG4); break; 696 697 default: goto ignore; 698 } 699 break; 700 701 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */ 702 703 set_bit(EV_REP, input->evbit); 704 switch (usage->hid & HID_USAGE) { 705 case 0x021: map_key_clear(KEY_PRINT); break; 706 case 0x070: map_key_clear(KEY_HP); break; 707 case 0x071: map_key_clear(KEY_CAMERA); break; 708 case 0x072: map_key_clear(KEY_SOUND); break; 709 case 0x073: map_key_clear(KEY_QUESTION); break; 710 case 0x080: map_key_clear(KEY_EMAIL); break; 711 case 0x081: map_key_clear(KEY_CHAT); break; 712 case 0x082: map_key_clear(KEY_SEARCH); break; 713 case 0x083: map_key_clear(KEY_CONNECT); break; 714 case 0x084: map_key_clear(KEY_FINANCE); break; 715 case 0x085: map_key_clear(KEY_SPORT); break; 716 case 0x086: map_key_clear(KEY_SHOP); break; 717 default: goto ignore; 718 } 719 break; 720 721 case HID_UP_MSVENDOR: 722 723 /* special case - Chicony Chicony KU-0418 tactical pad */ 724 if (device->vendor == 0x04f2 && device->product == 0x0418) { 725 set_bit(EV_REP, input->evbit); 726 switch(usage->hid & HID_USAGE) { 727 case 0xff01: map_key_clear(BTN_1); break; 728 case 0xff02: map_key_clear(BTN_2); break; 729 case 0xff03: map_key_clear(BTN_3); break; 730 case 0xff04: map_key_clear(BTN_4); break; 731 case 0xff05: map_key_clear(BTN_5); break; 732 case 0xff06: map_key_clear(BTN_6); break; 733 case 0xff07: map_key_clear(BTN_7); break; 734 case 0xff08: map_key_clear(BTN_8); break; 735 case 0xff09: map_key_clear(BTN_9); break; 736 case 0xff0a: map_key_clear(BTN_A); break; 737 case 0xff0b: map_key_clear(BTN_B); break; 738 default: goto ignore; 739 } 740 } else { 741 goto ignore; 742 } 743 break; 744 745 case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */ 746 747 set_bit(EV_REP, input->evbit); 748 switch(usage->hid & HID_USAGE) { 749 case 0x003: 750 /* The fn key on Apple PowerBooks */ 751 map_key_clear(KEY_FN); 752 hidinput_pb_setup(input); 753 break; 754 755 default: goto ignore; 756 } 757 break; 758 759 case HID_UP_LOGIVENDOR: 760 set_bit(EV_REP, input->evbit); 761 switch(usage->hid & HID_USAGE) { 762 /* Reported on Logitech Ultra X Media Remote */ 763 case 0x004: map_key_clear(KEY_AGAIN); break; 764 case 0x00d: map_key_clear(KEY_HOME); break; 765 case 0x024: map_key_clear(KEY_SHUFFLE); break; 766 case 0x025: map_key_clear(KEY_TV); break; 767 case 0x026: map_key_clear(KEY_MENU); break; 768 case 0x031: map_key_clear(KEY_AUDIO); break; 769 case 0x032: map_key_clear(KEY_TEXT); break; 770 case 0x033: map_key_clear(KEY_LAST); break; 771 case 0x047: map_key_clear(KEY_MP3); break; 772 case 0x048: map_key_clear(KEY_DVD); break; 773 case 0x049: map_key_clear(KEY_MEDIA); break; 774 case 0x04a: map_key_clear(KEY_VIDEO); break; 775 case 0x04b: map_key_clear(KEY_ANGLE); break; 776 case 0x04c: map_key_clear(KEY_LANGUAGE); break; 777 case 0x04d: map_key_clear(KEY_SUBTITLE); break; 778 case 0x051: map_key_clear(KEY_RED); break; 779 case 0x052: map_key_clear(KEY_CLOSE); break; 780 781 /* Reported on Petalynx Maxter remote */ 782 case 0x05a: map_key_clear(KEY_TEXT); break; 783 case 0x05b: map_key_clear(KEY_RED); break; 784 case 0x05c: map_key_clear(KEY_GREEN); break; 785 case 0x05d: map_key_clear(KEY_YELLOW); break; 786 case 0x05e: map_key_clear(KEY_BLUE); break; 787 788 default: goto ignore; 789 } 790 break; 791 792 case HID_UP_PID: 793 794 switch(usage->hid & HID_USAGE) { 795 case 0xa4: map_key_clear(BTN_DEAD); break; 796 default: goto ignore; 797 } 798 break; 799 800 default: 801 unknown: 802 if (field->report_size == 1) { 803 if (field->report->type == HID_OUTPUT_REPORT) { 804 map_led(LED_MISC); 805 break; 806 } 807 map_key(BTN_MISC); 808 break; 809 } 810 if (field->flags & HID_MAIN_ITEM_RELATIVE) { 811 map_rel(REL_MISC); 812 break; 813 } 814 map_abs(ABS_MISC); 815 break; 816 } 817 818 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) { 819 if (usage->hid == HID_GD_Z) 820 map_rel(REL_HWHEEL); 821 else if (usage->code == BTN_1) 822 map_key(BTN_2); 823 else if (usage->code == BTN_2) 824 map_key(BTN_1); 825 } 826 827 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) && 828 (usage->type == EV_REL) && (usage->code == REL_WHEEL)) 829 set_bit(REL_HWHEEL, bit); 830 831 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005)) 832 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) 833 goto ignore; 834 835 if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) && 836 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE)) 837 field->flags &= ~HID_MAIN_ITEM_RELATIVE; 838 839 set_bit(usage->type, input->evbit); 840 841 if (device->quirks & HID_QUIRK_DUPLICATE_USAGES && 842 (usage->type == EV_KEY || 843 usage->type == EV_REL || 844 usage->type == EV_ABS)) 845 clear_bit(usage->code, bit); 846 847 while (usage->code <= max && test_and_set_bit(usage->code, bit)) 848 usage->code = find_next_zero_bit(bit, max + 1, usage->code); 849 850 if (usage->code > max) 851 goto ignore; 852 853 854 if (usage->type == EV_ABS) { 855 856 int a = field->logical_minimum; 857 int b = field->logical_maximum; 858 859 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) { 860 a = field->logical_minimum = 0; 861 b = field->logical_maximum = 255; 862 } 863 864 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK) 865 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4); 866 else input_set_abs_params(input, usage->code, a, b, 0, 0); 867 868 } 869 870 if (usage->type == EV_ABS && 871 (usage->hat_min < usage->hat_max || usage->hat_dir)) { 872 int i; 873 for (i = usage->code; i < usage->code + 2 && i <= max; i++) { 874 input_set_abs_params(input, i, -1, 1, 0, 0); 875 set_bit(i, input->absbit); 876 } 877 if (usage->hat_dir && !field->dpad) 878 field->dpad = usage->code; 879 } 880 881 /* for those devices which produce Consumer volume usage as relative, 882 * we emulate pressing volumeup/volumedown appropriate number of times 883 * in hidinput_hid_event() 884 */ 885 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && 886 (usage->code == ABS_VOLUME)) { 887 set_bit(KEY_VOLUMEUP, input->keybit); 888 set_bit(KEY_VOLUMEDOWN, input->keybit); 889 } 890 891 hid_resolv_event(usage->type, usage->code); 892 893 dbg_hid_line("\n"); 894 895 return; 896 897 ignore: 898 dbg_hid_line("IGNORED\n"); 899 return; 900 } 901 902 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) 903 { 904 struct input_dev *input; 905 int *quirks = &hid->quirks; 906 907 if (!field->hidinput) 908 return; 909 910 input = field->hidinput->input; 911 912 if (!usage->type) 913 return; 914 915 if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005)) 916 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) { 917 if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON; 918 else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON; 919 return; 920 } 921 922 if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) { 923 input_event(input, usage->type, usage->code, -value); 924 return; 925 } 926 927 if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) { 928 input_event(input, usage->type, REL_HWHEEL, value); 929 return; 930 } 931 932 if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value)) 933 return; 934 935 if (usage->hat_min < usage->hat_max || usage->hat_dir) { 936 int hat_dir = usage->hat_dir; 937 if (!hat_dir) 938 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1; 939 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0; 940 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x); 941 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y); 942 return; 943 } 944 945 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */ 946 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT); 947 return; 948 } 949 950 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */ 951 if (value) { 952 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1); 953 return; 954 } 955 input_event(input, usage->type, usage->code, 0); 956 input_event(input, usage->type, BTN_TOOL_RUBBER, 0); 957 return; 958 } 959 960 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */ 961 int a = field->logical_minimum; 962 int b = field->logical_maximum; 963 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3)); 964 } 965 966 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */ 967 dbg_hid("Maximum Effects - %d\n",value); 968 return; 969 } 970 971 if (usage->hid == (HID_UP_PID | 0x7fUL)) { 972 dbg_hid("PID Pool Report\n"); 973 return; 974 } 975 976 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */ 977 return; 978 979 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && 980 (usage->code == ABS_VOLUME)) { 981 int count = abs(value); 982 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN; 983 int i; 984 985 for (i = 0; i < count; i++) { 986 input_event(input, EV_KEY, direction, 1); 987 input_sync(input); 988 input_event(input, EV_KEY, direction, 0); 989 input_sync(input); 990 } 991 return; 992 } 993 994 input_event(input, usage->type, usage->code, value); 995 996 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY)) 997 input_event(input, usage->type, usage->code, 0); 998 } 999 1000 void hidinput_report_event(struct hid_device *hid, struct hid_report *report) 1001 { 1002 struct hid_input *hidinput; 1003 1004 list_for_each_entry(hidinput, &hid->inputs, list) 1005 input_sync(hidinput->input); 1006 } 1007 EXPORT_SYMBOL_GPL(hidinput_report_event); 1008 1009 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field) 1010 { 1011 struct hid_report *report; 1012 int i, j; 1013 1014 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) { 1015 for (i = 0; i < report->maxfield; i++) { 1016 *field = report->field[i]; 1017 for (j = 0; j < (*field)->maxusage; j++) 1018 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code) 1019 return j; 1020 } 1021 } 1022 return -1; 1023 } 1024 EXPORT_SYMBOL_GPL(hidinput_find_field); 1025 1026 static int hidinput_open(struct input_dev *dev) 1027 { 1028 struct hid_device *hid = input_get_drvdata(dev); 1029 1030 return hid->hid_open(hid); 1031 } 1032 1033 static void hidinput_close(struct input_dev *dev) 1034 { 1035 struct hid_device *hid = input_get_drvdata(dev); 1036 1037 hid->hid_close(hid); 1038 } 1039 1040 /* 1041 * Register the input device; print a message. 1042 * Configure the input layer interface 1043 * Read all reports and initialize the absolute field values. 1044 */ 1045 1046 int hidinput_connect(struct hid_device *hid) 1047 { 1048 struct hid_report *report; 1049 struct hid_input *hidinput = NULL; 1050 struct input_dev *input_dev; 1051 int i, j, k; 1052 int max_report_type = HID_OUTPUT_REPORT; 1053 1054 INIT_LIST_HEAD(&hid->inputs); 1055 1056 for (i = 0; i < hid->maxcollection; i++) 1057 if (hid->collection[i].type == HID_COLLECTION_APPLICATION || 1058 hid->collection[i].type == HID_COLLECTION_PHYSICAL) 1059 if (IS_INPUT_APPLICATION(hid->collection[i].usage)) 1060 break; 1061 1062 if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0) 1063 return -1; 1064 1065 if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) 1066 max_report_type = HID_INPUT_REPORT; 1067 1068 for (k = HID_INPUT_REPORT; k <= max_report_type; k++) 1069 list_for_each_entry(report, &hid->report_enum[k].report_list, list) { 1070 1071 if (!report->maxfield) 1072 continue; 1073 1074 if (!hidinput) { 1075 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL); 1076 input_dev = input_allocate_device(); 1077 if (!hidinput || !input_dev) { 1078 kfree(hidinput); 1079 input_free_device(input_dev); 1080 err_hid("Out of memory during hid input probe"); 1081 return -1; 1082 } 1083 1084 input_set_drvdata(input_dev, hid); 1085 input_dev->event = hid->hidinput_input_event; 1086 input_dev->open = hidinput_open; 1087 input_dev->close = hidinput_close; 1088 input_dev->setkeycode = hidinput_setkeycode; 1089 input_dev->getkeycode = hidinput_getkeycode; 1090 1091 input_dev->name = hid->name; 1092 input_dev->phys = hid->phys; 1093 input_dev->uniq = hid->uniq; 1094 input_dev->id.bustype = hid->bus; 1095 input_dev->id.vendor = hid->vendor; 1096 input_dev->id.product = hid->product; 1097 input_dev->id.version = hid->version; 1098 input_dev->dev.parent = hid->dev; 1099 hidinput->input = input_dev; 1100 list_add_tail(&hidinput->list, &hid->inputs); 1101 } 1102 1103 for (i = 0; i < report->maxfield; i++) 1104 for (j = 0; j < report->field[i]->maxusage; j++) 1105 hidinput_configure_usage(hidinput, report->field[i], 1106 report->field[i]->usage + j); 1107 1108 if (hid->quirks & HID_QUIRK_MULTI_INPUT) { 1109 /* This will leave hidinput NULL, so that it 1110 * allocates another one if we have more inputs on 1111 * the same interface. Some devices (e.g. Happ's 1112 * UGCI) cram a lot of unrelated inputs into the 1113 * same interface. */ 1114 hidinput->report = report; 1115 input_register_device(hidinput->input); 1116 hidinput = NULL; 1117 } 1118 } 1119 1120 if (hidinput) 1121 input_register_device(hidinput->input); 1122 1123 return 0; 1124 } 1125 EXPORT_SYMBOL_GPL(hidinput_connect); 1126 1127 void hidinput_disconnect(struct hid_device *hid) 1128 { 1129 struct hid_input *hidinput, *next; 1130 1131 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { 1132 list_del(&hidinput->list); 1133 input_unregister_device(hidinput->input); 1134 kfree(hidinput); 1135 } 1136 } 1137 EXPORT_SYMBOL_GPL(hidinput_disconnect); 1138 1139