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_apple_fnmode = 1; 38 module_param_named(pb_fnmode, hid_apple_fnmode, int, 0644); 39 MODULE_PARM_DESC(pb_fnmode, 40 "Mode of fn key on Apple keyboards (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,179,180,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 APPLE_FLAG_FKEY 0x01 98 99 static struct hidinput_key_translation apple_fn_keys[] = { 100 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, 101 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, 102 { KEY_F3, KEY_CYCLEWINDOWS, APPLE_FLAG_FKEY }, /* Exposé */ 103 { KEY_F4, KEY_FN_F4, APPLE_FLAG_FKEY }, /* Dashboard */ 104 { KEY_F5, KEY_FN_F5 }, 105 { KEY_F6, KEY_FN_F6 }, 106 { KEY_F7, KEY_BACK, APPLE_FLAG_FKEY }, 107 { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY }, 108 { KEY_F9, KEY_FORWARD, APPLE_FLAG_FKEY }, 109 { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY }, 110 { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, 111 { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY }, 112 { } 113 }; 114 115 static struct hidinput_key_translation powerbook_fn_keys[] = { 116 { KEY_BACKSPACE, KEY_DELETE }, 117 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, 118 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, 119 { KEY_F3, KEY_MUTE, APPLE_FLAG_FKEY }, 120 { KEY_F4, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, 121 { KEY_F5, KEY_VOLUMEUP, APPLE_FLAG_FKEY }, 122 { KEY_F6, KEY_NUMLOCK, APPLE_FLAG_FKEY }, 123 { KEY_F7, KEY_SWITCHVIDEOMODE, APPLE_FLAG_FKEY }, 124 { KEY_F8, KEY_KBDILLUMTOGGLE, APPLE_FLAG_FKEY }, 125 { KEY_F9, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY }, 126 { KEY_F10, KEY_KBDILLUMUP, APPLE_FLAG_FKEY }, 127 { KEY_UP, KEY_PAGEUP }, 128 { KEY_DOWN, KEY_PAGEDOWN }, 129 { KEY_LEFT, KEY_HOME }, 130 { KEY_RIGHT, KEY_END }, 131 { } 132 }; 133 134 static struct hidinput_key_translation powerbook_numlock_keys[] = { 135 { KEY_J, KEY_KP1 }, 136 { KEY_K, KEY_KP2 }, 137 { KEY_L, KEY_KP3 }, 138 { KEY_U, KEY_KP4 }, 139 { KEY_I, KEY_KP5 }, 140 { KEY_O, KEY_KP6 }, 141 { KEY_7, KEY_KP7 }, 142 { KEY_8, KEY_KP8 }, 143 { KEY_9, KEY_KP9 }, 144 { KEY_M, KEY_KP0 }, 145 { KEY_DOT, KEY_KPDOT }, 146 { KEY_SLASH, KEY_KPPLUS }, 147 { KEY_SEMICOLON, KEY_KPMINUS }, 148 { KEY_P, KEY_KPASTERISK }, 149 { KEY_MINUS, KEY_KPEQUAL }, 150 { KEY_0, KEY_KPSLASH }, 151 { KEY_F6, KEY_NUMLOCK }, 152 { KEY_KPENTER, KEY_KPENTER }, 153 { KEY_BACKSPACE, KEY_BACKSPACE }, 154 { } 155 }; 156 157 static struct hidinput_key_translation apple_iso_keyboard[] = { 158 { KEY_GRAVE, KEY_102ND }, 159 { KEY_102ND, KEY_GRAVE }, 160 { } 161 }; 162 163 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from) 164 { 165 struct hidinput_key_translation *trans; 166 167 /* Look for the translation */ 168 for (trans = table; trans->from; trans++) 169 if (trans->from == from) 170 return trans; 171 172 return NULL; 173 } 174 175 int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, 176 struct hid_usage *usage, __s32 value) 177 { 178 struct hidinput_key_translation *trans; 179 180 if (usage->code == KEY_FN) { 181 if (value) hid->quirks |= HID_QUIRK_APPLE_FN_ON; 182 else hid->quirks &= ~HID_QUIRK_APPLE_FN_ON; 183 184 input_event(input, usage->type, usage->code, value); 185 186 return 1; 187 } 188 189 if (hid_apple_fnmode) { 190 int do_translate; 191 192 trans = find_translation((hid->product < 0x220 || 193 hid->product >= 0x300) ? 194 powerbook_fn_keys : apple_fn_keys, 195 usage->code); 196 if (trans) { 197 if (test_bit(usage->code, hid->apple_pressed_fn)) 198 do_translate = 1; 199 else if (trans->flags & APPLE_FLAG_FKEY) 200 do_translate = 201 (hid_apple_fnmode == 2 && (hid->quirks & HID_QUIRK_APPLE_FN_ON)) || 202 (hid_apple_fnmode == 1 && !(hid->quirks & HID_QUIRK_APPLE_FN_ON)); 203 else 204 do_translate = (hid->quirks & HID_QUIRK_APPLE_FN_ON); 205 206 if (do_translate) { 207 if (value) 208 set_bit(usage->code, hid->apple_pressed_fn); 209 else 210 clear_bit(usage->code, hid->apple_pressed_fn); 211 212 input_event(input, usage->type, trans->to, value); 213 214 return 1; 215 } 216 } 217 218 if (test_bit(usage->code, hid->pb_pressed_numlock) || 219 test_bit(LED_NUML, input->led)) { 220 trans = find_translation(powerbook_numlock_keys, usage->code); 221 222 if (trans) { 223 if (value) 224 set_bit(usage->code, hid->pb_pressed_numlock); 225 else 226 clear_bit(usage->code, hid->pb_pressed_numlock); 227 228 input_event(input, usage->type, trans->to, value); 229 } 230 231 return 1; 232 } 233 } 234 235 if (hid->quirks & HID_QUIRK_APPLE_ISO_KEYBOARD) { 236 trans = find_translation(apple_iso_keyboard, usage->code); 237 if (trans) { 238 input_event(input, usage->type, trans->to, value); 239 return 1; 240 } 241 } 242 243 return 0; 244 } 245 246 static void hidinput_apple_setup(struct input_dev *input) 247 { 248 struct hidinput_key_translation *trans; 249 250 set_bit(KEY_NUMLOCK, input->keybit); 251 252 /* Enable all needed keys */ 253 for (trans = apple_fn_keys; trans->from; trans++) 254 set_bit(trans->to, input->keybit); 255 256 for (trans = powerbook_fn_keys; trans->from; trans++) 257 set_bit(trans->to, input->keybit); 258 259 for (trans = powerbook_numlock_keys; trans->from; trans++) 260 set_bit(trans->to, input->keybit); 261 262 for (trans = apple_iso_keyboard; trans->from; trans++) 263 set_bit(trans->to, input->keybit); 264 265 } 266 #else 267 inline int hidinput_apple_event(struct hid_device *hid, 268 struct input_dev *input, 269 struct hid_usage *usage, __s32 value) 270 { 271 return 0; 272 } 273 274 static inline void hidinput_apple_setup(struct input_dev *input) 275 { 276 } 277 #endif 278 279 static inline int match_scancode(int code, int scancode) 280 { 281 if (scancode == 0) 282 return 1; 283 return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode); 284 } 285 286 static inline int match_keycode(int code, int keycode) 287 { 288 if (keycode == 0) 289 return 1; 290 return (code == keycode); 291 } 292 293 static struct hid_usage *hidinput_find_key(struct hid_device *hid, 294 int scancode, int keycode) 295 { 296 int i, j, k; 297 struct hid_report *report; 298 struct hid_usage *usage; 299 300 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { 301 list_for_each_entry(report, &hid->report_enum[k].report_list, list) { 302 for (i = 0; i < report->maxfield; i++) { 303 for ( j = 0; j < report->field[i]->maxusage; j++) { 304 usage = report->field[i]->usage + j; 305 if (usage->type == EV_KEY && 306 match_scancode(usage->hid, scancode) && 307 match_keycode(usage->code, keycode)) 308 return usage; 309 } 310 } 311 } 312 } 313 return NULL; 314 } 315 316 static int hidinput_getkeycode(struct input_dev *dev, int scancode, 317 int *keycode) 318 { 319 struct hid_device *hid = input_get_drvdata(dev); 320 struct hid_usage *usage; 321 322 usage = hidinput_find_key(hid, scancode, 0); 323 if (usage) { 324 *keycode = usage->code; 325 return 0; 326 } 327 return -EINVAL; 328 } 329 330 static int hidinput_setkeycode(struct input_dev *dev, int scancode, 331 int keycode) 332 { 333 struct hid_device *hid = input_get_drvdata(dev); 334 struct hid_usage *usage; 335 int old_keycode; 336 337 if (keycode < 0 || keycode > KEY_MAX) 338 return -EINVAL; 339 340 usage = hidinput_find_key(hid, scancode, 0); 341 if (usage) { 342 old_keycode = usage->code; 343 usage->code = keycode; 344 345 clear_bit(old_keycode, dev->keybit); 346 set_bit(usage->code, dev->keybit); 347 dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode); 348 /* Set the keybit for the old keycode if the old keycode is used 349 * by another key */ 350 if (hidinput_find_key (hid, 0, old_keycode)) 351 set_bit(old_keycode, dev->keybit); 352 353 return 0; 354 } 355 356 return -EINVAL; 357 } 358 359 360 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field, 361 struct hid_usage *usage) 362 { 363 struct input_dev *input = hidinput->input; 364 struct hid_device *device = input_get_drvdata(input); 365 int max = 0, code, ret; 366 unsigned long *bit = NULL; 367 368 field->hidinput = hidinput; 369 370 dbg_hid("Mapping: "); 371 hid_resolv_usage(usage->hid); 372 dbg_hid_line(" ---> "); 373 374 if (field->flags & HID_MAIN_ITEM_CONSTANT) 375 goto ignore; 376 377 /* only LED usages are supported in output fields */ 378 if (field->report_type == HID_OUTPUT_REPORT && 379 (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) { 380 dbg_hid_line(" [non-LED output field] "); 381 goto ignore; 382 } 383 384 /* handle input mappings for quirky devices */ 385 ret = hidinput_mapping_quirks(usage, input, &bit, &max); 386 if (ret) 387 goto mapped; 388 389 switch (usage->hid & HID_USAGE_PAGE) { 390 391 case HID_UP_UNDEFINED: 392 goto ignore; 393 394 case HID_UP_KEYBOARD: 395 396 set_bit(EV_REP, input->evbit); 397 398 if ((usage->hid & HID_USAGE) < 256) { 399 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore; 400 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]); 401 } else 402 map_key(KEY_UNKNOWN); 403 404 break; 405 406 case HID_UP_BUTTON: 407 408 code = ((usage->hid - 1) & 0xf); 409 410 switch (field->application) { 411 case HID_GD_MOUSE: 412 case HID_GD_POINTER: code += 0x110; break; 413 case HID_GD_JOYSTICK: code += 0x120; break; 414 case HID_GD_GAMEPAD: code += 0x130; break; 415 default: 416 switch (field->physical) { 417 case HID_GD_MOUSE: 418 case HID_GD_POINTER: code += 0x110; break; 419 case HID_GD_JOYSTICK: code += 0x120; break; 420 case HID_GD_GAMEPAD: code += 0x130; break; 421 default: code += 0x100; 422 } 423 } 424 425 /* Special handling for Logitech Cordless Desktop */ 426 if (field->application != HID_GD_MOUSE) { 427 if (device->quirks & HID_QUIRK_LOGITECH_EXPANDED_KEYMAP) { 428 int hid = usage->hid & HID_USAGE; 429 if (hid < LOGITECH_EXPANDED_KEYMAP_SIZE && logitech_expanded_keymap[hid] != 0) 430 code = logitech_expanded_keymap[hid]; 431 } 432 } else { 433 if (device->quirks & HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL) { 434 int hid = usage->hid & HID_USAGE; 435 if (hid == 7 || hid == 8) 436 goto ignore; 437 } 438 } 439 440 map_key(code); 441 break; 442 443 444 case HID_UP_SIMULATION: 445 446 switch (usage->hid & 0xffff) { 447 case 0xba: map_abs(ABS_RUDDER); break; 448 case 0xbb: map_abs(ABS_THROTTLE); break; 449 case 0xc4: map_abs(ABS_GAS); break; 450 case 0xc5: map_abs(ABS_BRAKE); break; 451 case 0xc8: map_abs(ABS_WHEEL); break; 452 default: goto ignore; 453 } 454 break; 455 456 case HID_UP_GENDESK: 457 458 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ 459 switch (usage->hid & 0xf) { 460 case 0x1: map_key_clear(KEY_POWER); break; 461 case 0x2: map_key_clear(KEY_SLEEP); break; 462 case 0x3: map_key_clear(KEY_WAKEUP); break; 463 default: goto unknown; 464 } 465 break; 466 } 467 468 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */ 469 switch (usage->hid) { 470 case HID_GD_UP: usage->hat_dir = 1; break; 471 case HID_GD_DOWN: usage->hat_dir = 5; break; 472 case HID_GD_RIGHT: usage->hat_dir = 3; break; 473 case HID_GD_LEFT: usage->hat_dir = 7; break; 474 default: goto unknown; 475 } 476 if (field->dpad) { 477 map_abs(field->dpad); 478 goto ignore; 479 } 480 map_abs(ABS_HAT0X); 481 break; 482 } 483 484 switch (usage->hid) { 485 486 /* These usage IDs map directly to the usage codes. */ 487 case HID_GD_X: case HID_GD_Y: case HID_GD_Z: 488 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ: 489 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL: 490 if (field->flags & HID_MAIN_ITEM_RELATIVE) 491 map_rel(usage->hid & 0xf); 492 else 493 map_abs(usage->hid & 0xf); 494 break; 495 496 case HID_GD_HATSWITCH: 497 usage->hat_min = field->logical_minimum; 498 usage->hat_max = field->logical_maximum; 499 map_abs(ABS_HAT0X); 500 break; 501 502 case HID_GD_START: map_key_clear(BTN_START); break; 503 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break; 504 505 default: goto unknown; 506 } 507 508 break; 509 510 case HID_UP_LED: 511 512 switch (usage->hid & 0xffff) { /* HID-Value: */ 513 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */ 514 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */ 515 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */ 516 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */ 517 case 0x05: map_led (LED_KANA); break; /* "Kana" */ 518 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */ 519 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */ 520 case 0x09: map_led (LED_MUTE); break; /* "Mute" */ 521 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */ 522 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */ 523 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */ 524 525 default: goto ignore; 526 } 527 break; 528 529 case HID_UP_DIGITIZER: 530 531 switch (usage->hid & 0xff) { 532 533 case 0x30: /* TipPressure */ 534 if (!test_bit(BTN_TOUCH, input->keybit)) { 535 device->quirks |= HID_QUIRK_NOTOUCH; 536 set_bit(EV_KEY, input->evbit); 537 set_bit(BTN_TOUCH, input->keybit); 538 } 539 540 map_abs_clear(ABS_PRESSURE); 541 break; 542 543 case 0x32: /* InRange */ 544 switch (field->physical & 0xff) { 545 case 0x21: map_key(BTN_TOOL_MOUSE); break; 546 case 0x22: map_key(BTN_TOOL_FINGER); break; 547 default: map_key(BTN_TOOL_PEN); break; 548 } 549 break; 550 551 case 0x3c: /* Invert */ 552 map_key_clear(BTN_TOOL_RUBBER); 553 break; 554 555 case 0x33: /* Touch */ 556 case 0x42: /* TipSwitch */ 557 case 0x43: /* TipSwitch2 */ 558 device->quirks &= ~HID_QUIRK_NOTOUCH; 559 map_key_clear(BTN_TOUCH); 560 break; 561 562 case 0x44: /* BarrelSwitch */ 563 map_key_clear(BTN_STYLUS); 564 break; 565 566 default: goto unknown; 567 } 568 break; 569 570 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */ 571 572 switch (usage->hid & HID_USAGE) { 573 case 0x000: goto ignore; 574 case 0x034: map_key_clear(KEY_SLEEP); break; 575 case 0x036: map_key_clear(BTN_MISC); break; 576 577 case 0x040: map_key_clear(KEY_MENU); break; 578 case 0x045: map_key_clear(KEY_RADIO); break; 579 580 case 0x083: map_key_clear(KEY_LAST); break; 581 case 0x088: map_key_clear(KEY_PC); break; 582 case 0x089: map_key_clear(KEY_TV); break; 583 case 0x08a: map_key_clear(KEY_WWW); break; 584 case 0x08b: map_key_clear(KEY_DVD); break; 585 case 0x08c: map_key_clear(KEY_PHONE); break; 586 case 0x08d: map_key_clear(KEY_PROGRAM); break; 587 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break; 588 case 0x08f: map_key_clear(KEY_GAMES); break; 589 case 0x090: map_key_clear(KEY_MEMO); break; 590 case 0x091: map_key_clear(KEY_CD); break; 591 case 0x092: map_key_clear(KEY_VCR); break; 592 case 0x093: map_key_clear(KEY_TUNER); break; 593 case 0x094: map_key_clear(KEY_EXIT); break; 594 case 0x095: map_key_clear(KEY_HELP); break; 595 case 0x096: map_key_clear(KEY_TAPE); break; 596 case 0x097: map_key_clear(KEY_TV2); break; 597 case 0x098: map_key_clear(KEY_SAT); break; 598 case 0x09a: map_key_clear(KEY_PVR); break; 599 600 case 0x09c: map_key_clear(KEY_CHANNELUP); break; 601 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break; 602 case 0x0a0: map_key_clear(KEY_VCR2); break; 603 604 case 0x0b0: map_key_clear(KEY_PLAY); break; 605 case 0x0b1: map_key_clear(KEY_PAUSE); break; 606 case 0x0b2: map_key_clear(KEY_RECORD); break; 607 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break; 608 case 0x0b4: map_key_clear(KEY_REWIND); break; 609 case 0x0b5: map_key_clear(KEY_NEXTSONG); break; 610 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break; 611 case 0x0b7: map_key_clear(KEY_STOPCD); break; 612 case 0x0b8: map_key_clear(KEY_EJECTCD); break; 613 614 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break; 615 case 0x0e0: map_abs_clear(ABS_VOLUME); break; 616 case 0x0e2: map_key_clear(KEY_MUTE); break; 617 case 0x0e5: map_key_clear(KEY_BASSBOOST); break; 618 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break; 619 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break; 620 621 case 0x182: map_key_clear(KEY_BOOKMARKS); break; 622 case 0x183: map_key_clear(KEY_CONFIG); break; 623 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break; 624 case 0x185: map_key_clear(KEY_EDITOR); break; 625 case 0x186: map_key_clear(KEY_SPREADSHEET); break; 626 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break; 627 case 0x188: map_key_clear(KEY_PRESENTATION); break; 628 case 0x189: map_key_clear(KEY_DATABASE); break; 629 case 0x18a: map_key_clear(KEY_MAIL); break; 630 case 0x18b: map_key_clear(KEY_NEWS); break; 631 case 0x18c: map_key_clear(KEY_VOICEMAIL); break; 632 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break; 633 case 0x18e: map_key_clear(KEY_CALENDAR); break; 634 case 0x191: map_key_clear(KEY_FINANCE); break; 635 case 0x192: map_key_clear(KEY_CALC); break; 636 case 0x194: map_key_clear(KEY_FILE); break; 637 case 0x196: map_key_clear(KEY_WWW); break; 638 case 0x19c: map_key_clear(KEY_LOGOFF); break; 639 case 0x19e: map_key_clear(KEY_COFFEE); break; 640 case 0x1a6: map_key_clear(KEY_HELP); break; 641 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break; 642 case 0x1ab: map_key_clear(KEY_SPELLCHECK); break; 643 case 0x1b6: map_key_clear(KEY_MEDIA); break; 644 case 0x1b7: map_key_clear(KEY_SOUND); break; 645 case 0x1bc: map_key_clear(KEY_MESSENGER); break; 646 case 0x1bd: map_key_clear(KEY_INFO); break; 647 case 0x201: map_key_clear(KEY_NEW); break; 648 case 0x202: map_key_clear(KEY_OPEN); break; 649 case 0x203: map_key_clear(KEY_CLOSE); break; 650 case 0x204: map_key_clear(KEY_EXIT); break; 651 case 0x207: map_key_clear(KEY_SAVE); break; 652 case 0x208: map_key_clear(KEY_PRINT); break; 653 case 0x209: map_key_clear(KEY_PROPS); break; 654 case 0x21a: map_key_clear(KEY_UNDO); break; 655 case 0x21b: map_key_clear(KEY_COPY); break; 656 case 0x21c: map_key_clear(KEY_CUT); break; 657 case 0x21d: map_key_clear(KEY_PASTE); break; 658 case 0x21f: map_key_clear(KEY_FIND); break; 659 case 0x221: map_key_clear(KEY_SEARCH); break; 660 case 0x222: map_key_clear(KEY_GOTO); break; 661 case 0x223: map_key_clear(KEY_HOMEPAGE); break; 662 case 0x224: map_key_clear(KEY_BACK); break; 663 case 0x225: map_key_clear(KEY_FORWARD); break; 664 case 0x226: map_key_clear(KEY_STOP); break; 665 case 0x227: map_key_clear(KEY_REFRESH); break; 666 case 0x22a: map_key_clear(KEY_BOOKMARKS); break; 667 case 0x22d: map_key_clear(KEY_ZOOMIN); break; 668 case 0x22e: map_key_clear(KEY_ZOOMOUT); break; 669 case 0x22f: map_key_clear(KEY_ZOOMRESET); break; 670 case 0x233: map_key_clear(KEY_SCROLLUP); break; 671 case 0x234: map_key_clear(KEY_SCROLLDOWN); break; 672 case 0x238: map_rel(REL_HWHEEL); break; 673 case 0x25f: map_key_clear(KEY_CANCEL); break; 674 case 0x279: map_key_clear(KEY_REDO); break; 675 676 case 0x289: map_key_clear(KEY_REPLY); break; 677 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break; 678 case 0x28c: map_key_clear(KEY_SEND); break; 679 680 default: goto ignore; 681 } 682 break; 683 684 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */ 685 686 set_bit(EV_REP, input->evbit); 687 switch (usage->hid & HID_USAGE) { 688 case 0x021: map_key_clear(KEY_PRINT); break; 689 case 0x070: map_key_clear(KEY_HP); break; 690 case 0x071: map_key_clear(KEY_CAMERA); break; 691 case 0x072: map_key_clear(KEY_SOUND); break; 692 case 0x073: map_key_clear(KEY_QUESTION); break; 693 case 0x080: map_key_clear(KEY_EMAIL); break; 694 case 0x081: map_key_clear(KEY_CHAT); break; 695 case 0x082: map_key_clear(KEY_SEARCH); break; 696 case 0x083: map_key_clear(KEY_CONNECT); break; 697 case 0x084: map_key_clear(KEY_FINANCE); break; 698 case 0x085: map_key_clear(KEY_SPORT); break; 699 case 0x086: map_key_clear(KEY_SHOP); break; 700 default: goto ignore; 701 } 702 break; 703 704 case HID_UP_MSVENDOR: 705 706 goto ignore; 707 708 case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */ 709 710 set_bit(EV_REP, input->evbit); 711 switch(usage->hid & HID_USAGE) { 712 case 0x003: 713 /* The fn key on Apple USB keyboards */ 714 map_key_clear(KEY_FN); 715 hidinput_apple_setup(input); 716 break; 717 718 default: goto ignore; 719 } 720 break; 721 722 case HID_UP_LOGIVENDOR: 723 724 goto ignore; 725 726 case HID_UP_PID: 727 728 switch(usage->hid & HID_USAGE) { 729 case 0xa4: map_key_clear(BTN_DEAD); break; 730 default: goto ignore; 731 } 732 break; 733 734 default: 735 unknown: 736 if (field->report_size == 1) { 737 if (field->report->type == HID_OUTPUT_REPORT) { 738 map_led(LED_MISC); 739 break; 740 } 741 map_key(BTN_MISC); 742 break; 743 } 744 if (field->flags & HID_MAIN_ITEM_RELATIVE) { 745 map_rel(REL_MISC); 746 break; 747 } 748 map_abs(ABS_MISC); 749 break; 750 } 751 752 mapped: 753 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) { 754 if (usage->hid == HID_GD_Z) 755 map_rel(REL_HWHEEL); 756 else if (usage->code == BTN_1) 757 map_key(BTN_2); 758 else if (usage->code == BTN_2) 759 map_key(BTN_1); 760 } 761 762 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5 | 763 HID_QUIRK_2WHEEL_MOUSE_HACK_B8)) && (usage->type == EV_REL) && 764 (usage->code == REL_WHEEL)) 765 set_bit(REL_HWHEEL, bit); 766 767 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005)) 768 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) 769 goto ignore; 770 771 if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) && 772 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE)) 773 field->flags &= ~HID_MAIN_ITEM_RELATIVE; 774 775 set_bit(usage->type, input->evbit); 776 777 if (device->quirks & HID_QUIRK_DUPLICATE_USAGES && 778 (usage->type == EV_KEY || 779 usage->type == EV_REL || 780 usage->type == EV_ABS)) 781 clear_bit(usage->code, bit); 782 783 while (usage->code <= max && test_and_set_bit(usage->code, bit)) 784 usage->code = find_next_zero_bit(bit, max + 1, usage->code); 785 786 if (usage->code > max) 787 goto ignore; 788 789 790 if (usage->type == EV_ABS) { 791 792 int a = field->logical_minimum; 793 int b = field->logical_maximum; 794 795 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) { 796 a = field->logical_minimum = 0; 797 b = field->logical_maximum = 255; 798 } 799 800 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK) 801 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4); 802 else input_set_abs_params(input, usage->code, a, b, 0, 0); 803 804 } 805 806 if (usage->type == EV_ABS && 807 (usage->hat_min < usage->hat_max || usage->hat_dir)) { 808 int i; 809 for (i = usage->code; i < usage->code + 2 && i <= max; i++) { 810 input_set_abs_params(input, i, -1, 1, 0, 0); 811 set_bit(i, input->absbit); 812 } 813 if (usage->hat_dir && !field->dpad) 814 field->dpad = usage->code; 815 } 816 817 /* for those devices which produce Consumer volume usage as relative, 818 * we emulate pressing volumeup/volumedown appropriate number of times 819 * in hidinput_hid_event() 820 */ 821 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && 822 (usage->code == ABS_VOLUME)) { 823 set_bit(KEY_VOLUMEUP, input->keybit); 824 set_bit(KEY_VOLUMEDOWN, input->keybit); 825 } 826 827 if (usage->type == EV_KEY) { 828 set_bit(EV_MSC, input->evbit); 829 set_bit(MSC_SCAN, input->mscbit); 830 } 831 832 hid_resolv_event(usage->type, usage->code); 833 834 dbg_hid_line("\n"); 835 836 return; 837 838 ignore: 839 dbg_hid_line("IGNORED\n"); 840 return; 841 } 842 843 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) 844 { 845 struct input_dev *input; 846 unsigned *quirks = &hid->quirks; 847 848 if (!field->hidinput) 849 return; 850 851 input = field->hidinput->input; 852 853 if (!usage->type) 854 return; 855 856 /* handle input events for quirky devices */ 857 hidinput_event_quirks(hid, field, usage, value); 858 859 if (usage->hat_min < usage->hat_max || usage->hat_dir) { 860 int hat_dir = usage->hat_dir; 861 if (!hat_dir) 862 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1; 863 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0; 864 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x); 865 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y); 866 return; 867 } 868 869 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */ 870 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT); 871 return; 872 } 873 874 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */ 875 if (value) { 876 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1); 877 return; 878 } 879 input_event(input, usage->type, usage->code, 0); 880 input_event(input, usage->type, BTN_TOOL_RUBBER, 0); 881 return; 882 } 883 884 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */ 885 int a = field->logical_minimum; 886 int b = field->logical_maximum; 887 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3)); 888 } 889 890 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */ 891 dbg_hid("Maximum Effects - %d\n",value); 892 return; 893 } 894 895 if (usage->hid == (HID_UP_PID | 0x7fUL)) { 896 dbg_hid("PID Pool Report\n"); 897 return; 898 } 899 900 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */ 901 return; 902 903 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && 904 (usage->code == ABS_VOLUME)) { 905 int count = abs(value); 906 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN; 907 int i; 908 909 for (i = 0; i < count; i++) { 910 input_event(input, EV_KEY, direction, 1); 911 input_sync(input); 912 input_event(input, EV_KEY, direction, 0); 913 input_sync(input); 914 } 915 return; 916 } 917 918 /* report the usage code as scancode if the key status has changed */ 919 if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value) 920 input_event(input, EV_MSC, MSC_SCAN, usage->hid); 921 922 input_event(input, usage->type, usage->code, value); 923 924 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY)) 925 input_event(input, usage->type, usage->code, 0); 926 } 927 928 void hidinput_report_event(struct hid_device *hid, struct hid_report *report) 929 { 930 struct hid_input *hidinput; 931 932 list_for_each_entry(hidinput, &hid->inputs, list) 933 input_sync(hidinput->input); 934 } 935 EXPORT_SYMBOL_GPL(hidinput_report_event); 936 937 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field) 938 { 939 struct hid_report *report; 940 int i, j; 941 942 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) { 943 for (i = 0; i < report->maxfield; i++) { 944 *field = report->field[i]; 945 for (j = 0; j < (*field)->maxusage; j++) 946 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code) 947 return j; 948 } 949 } 950 return -1; 951 } 952 EXPORT_SYMBOL_GPL(hidinput_find_field); 953 954 static int hidinput_open(struct input_dev *dev) 955 { 956 struct hid_device *hid = input_get_drvdata(dev); 957 958 return hid->hid_open(hid); 959 } 960 961 static void hidinput_close(struct input_dev *dev) 962 { 963 struct hid_device *hid = input_get_drvdata(dev); 964 965 hid->hid_close(hid); 966 } 967 968 /* 969 * Register the input device; print a message. 970 * Configure the input layer interface 971 * Read all reports and initialize the absolute field values. 972 */ 973 974 int hidinput_connect(struct hid_device *hid) 975 { 976 struct hid_report *report; 977 struct hid_input *hidinput = NULL; 978 struct input_dev *input_dev; 979 int i, j, k; 980 int max_report_type = HID_OUTPUT_REPORT; 981 982 if (hid->quirks & HID_QUIRK_IGNORE_HIDINPUT) 983 return -1; 984 985 INIT_LIST_HEAD(&hid->inputs); 986 987 for (i = 0; i < hid->maxcollection; i++) 988 if (hid->collection[i].type == HID_COLLECTION_APPLICATION || 989 hid->collection[i].type == HID_COLLECTION_PHYSICAL) 990 if (IS_INPUT_APPLICATION(hid->collection[i].usage)) 991 break; 992 993 if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0) 994 return -1; 995 996 if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) 997 max_report_type = HID_INPUT_REPORT; 998 999 for (k = HID_INPUT_REPORT; k <= max_report_type; k++) 1000 list_for_each_entry(report, &hid->report_enum[k].report_list, list) { 1001 1002 if (!report->maxfield) 1003 continue; 1004 1005 if (!hidinput) { 1006 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL); 1007 input_dev = input_allocate_device(); 1008 if (!hidinput || !input_dev) { 1009 kfree(hidinput); 1010 input_free_device(input_dev); 1011 err_hid("Out of memory during hid input probe"); 1012 goto out_unwind; 1013 } 1014 1015 input_set_drvdata(input_dev, hid); 1016 input_dev->event = hid->hidinput_input_event; 1017 input_dev->open = hidinput_open; 1018 input_dev->close = hidinput_close; 1019 input_dev->setkeycode = hidinput_setkeycode; 1020 input_dev->getkeycode = hidinput_getkeycode; 1021 1022 input_dev->name = hid->name; 1023 input_dev->phys = hid->phys; 1024 input_dev->uniq = hid->uniq; 1025 input_dev->id.bustype = hid->bus; 1026 input_dev->id.vendor = hid->vendor; 1027 input_dev->id.product = hid->product; 1028 input_dev->id.version = hid->version; 1029 input_dev->dev.parent = hid->dev; 1030 hidinput->input = input_dev; 1031 list_add_tail(&hidinput->list, &hid->inputs); 1032 } 1033 1034 for (i = 0; i < report->maxfield; i++) 1035 for (j = 0; j < report->field[i]->maxusage; j++) 1036 hidinput_configure_usage(hidinput, report->field[i], 1037 report->field[i]->usage + j); 1038 1039 if (hid->quirks & HID_QUIRK_MULTI_INPUT) { 1040 /* This will leave hidinput NULL, so that it 1041 * allocates another one if we have more inputs on 1042 * the same interface. Some devices (e.g. Happ's 1043 * UGCI) cram a lot of unrelated inputs into the 1044 * same interface. */ 1045 hidinput->report = report; 1046 if (input_register_device(hidinput->input)) 1047 goto out_cleanup; 1048 hidinput = NULL; 1049 } 1050 } 1051 1052 if (hidinput && input_register_device(hidinput->input)) 1053 goto out_cleanup; 1054 1055 return 0; 1056 1057 out_cleanup: 1058 input_free_device(hidinput->input); 1059 kfree(hidinput); 1060 out_unwind: 1061 /* unwind the ones we already registered */ 1062 hidinput_disconnect(hid); 1063 1064 return -1; 1065 } 1066 EXPORT_SYMBOL_GPL(hidinput_connect); 1067 1068 void hidinput_disconnect(struct hid_device *hid) 1069 { 1070 struct hid_input *hidinput, *next; 1071 1072 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { 1073 list_del(&hidinput->list); 1074 input_unregister_device(hidinput->input); 1075 kfree(hidinput); 1076 } 1077 } 1078 EXPORT_SYMBOL_GPL(hidinput_disconnect); 1079 1080