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_BACKSPACE, KEY_DELETE }, 101 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, 102 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, 103 { KEY_F3, KEY_FN_F5, APPLE_FLAG_FKEY }, /* Expos� */ 104 { KEY_F4, KEY_FN_F4, APPLE_FLAG_FKEY }, /* Dashboard */ 105 { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY }, 106 { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY }, 107 { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY }, 108 { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY }, 109 { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, 110 { KEY_F12, KEY_VOLUMEUP, APPLE_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_fn_keys[] = { 119 { KEY_BACKSPACE, KEY_DELETE }, 120 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, 121 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, 122 { KEY_F3, KEY_MUTE, APPLE_FLAG_FKEY }, 123 { KEY_F4, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, 124 { KEY_F5, KEY_VOLUMEUP, APPLE_FLAG_FKEY }, 125 { KEY_F6, KEY_NUMLOCK, APPLE_FLAG_FKEY }, 126 { KEY_F7, KEY_SWITCHVIDEOMODE, APPLE_FLAG_FKEY }, 127 { KEY_F8, KEY_KBDILLUMTOGGLE, APPLE_FLAG_FKEY }, 128 { KEY_F9, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY }, 129 { KEY_F10, KEY_KBDILLUMUP, APPLE_FLAG_FKEY }, 130 { KEY_UP, KEY_PAGEUP }, 131 { KEY_DOWN, KEY_PAGEDOWN }, 132 { KEY_LEFT, KEY_HOME }, 133 { KEY_RIGHT, KEY_END }, 134 { } 135 }; 136 137 static struct hidinput_key_translation powerbook_numlock_keys[] = { 138 { KEY_J, KEY_KP1 }, 139 { KEY_K, KEY_KP2 }, 140 { KEY_L, KEY_KP3 }, 141 { KEY_U, KEY_KP4 }, 142 { KEY_I, KEY_KP5 }, 143 { KEY_O, KEY_KP6 }, 144 { KEY_7, KEY_KP7 }, 145 { KEY_8, KEY_KP8 }, 146 { KEY_9, KEY_KP9 }, 147 { KEY_M, KEY_KP0 }, 148 { KEY_DOT, KEY_KPDOT }, 149 { KEY_SLASH, KEY_KPPLUS }, 150 { KEY_SEMICOLON, KEY_KPMINUS }, 151 { KEY_P, KEY_KPASTERISK }, 152 { KEY_MINUS, KEY_KPEQUAL }, 153 { KEY_0, KEY_KPSLASH }, 154 { KEY_F6, KEY_NUMLOCK }, 155 { KEY_KPENTER, KEY_KPENTER }, 156 { KEY_BACKSPACE, KEY_BACKSPACE }, 157 { } 158 }; 159 160 static struct hidinput_key_translation apple_iso_keyboard[] = { 161 { KEY_GRAVE, KEY_102ND }, 162 { KEY_102ND, KEY_GRAVE }, 163 { } 164 }; 165 166 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from) 167 { 168 struct hidinput_key_translation *trans; 169 170 /* Look for the translation */ 171 for (trans = table; trans->from; trans++) 172 if (trans->from == from) 173 return trans; 174 175 return NULL; 176 } 177 178 int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, 179 struct hid_usage *usage, __s32 value) 180 { 181 struct hidinput_key_translation *trans; 182 183 if (usage->code == KEY_FN) { 184 if (value) hid->quirks |= HID_QUIRK_APPLE_FN_ON; 185 else hid->quirks &= ~HID_QUIRK_APPLE_FN_ON; 186 187 input_event(input, usage->type, usage->code, value); 188 189 return 1; 190 } 191 192 if (hid_apple_fnmode) { 193 int do_translate; 194 195 trans = find_translation((hid->product < 0x220 || 196 hid->product >= 0x300) ? 197 powerbook_fn_keys : apple_fn_keys, 198 usage->code); 199 if (trans) { 200 if (test_bit(usage->code, hid->apple_pressed_fn)) 201 do_translate = 1; 202 else if (trans->flags & APPLE_FLAG_FKEY) 203 do_translate = 204 (hid_apple_fnmode == 2 && (hid->quirks & HID_QUIRK_APPLE_FN_ON)) || 205 (hid_apple_fnmode == 1 && !(hid->quirks & HID_QUIRK_APPLE_FN_ON)); 206 else 207 do_translate = (hid->quirks & HID_QUIRK_APPLE_FN_ON); 208 209 if (do_translate) { 210 if (value) 211 set_bit(usage->code, hid->apple_pressed_fn); 212 else 213 clear_bit(usage->code, hid->apple_pressed_fn); 214 215 input_event(input, usage->type, trans->to, value); 216 217 return 1; 218 } 219 } 220 221 if (test_bit(usage->code, hid->pb_pressed_numlock) || 222 test_bit(LED_NUML, input->led)) { 223 trans = find_translation(powerbook_numlock_keys, usage->code); 224 225 if (trans) { 226 if (value) 227 set_bit(usage->code, hid->pb_pressed_numlock); 228 else 229 clear_bit(usage->code, hid->pb_pressed_numlock); 230 231 input_event(input, usage->type, trans->to, value); 232 } 233 234 return 1; 235 } 236 } 237 238 if (hid->quirks & HID_QUIRK_APPLE_ISO_KEYBOARD) { 239 trans = find_translation(apple_iso_keyboard, usage->code); 240 if (trans) { 241 input_event(input, usage->type, trans->to, value); 242 return 1; 243 } 244 } 245 246 return 0; 247 } 248 249 static void hidinput_apple_setup(struct input_dev *input) 250 { 251 struct hidinput_key_translation *trans; 252 253 set_bit(KEY_NUMLOCK, input->keybit); 254 255 /* Enable all needed keys */ 256 for (trans = apple_fn_keys; trans->from; trans++) 257 set_bit(trans->to, input->keybit); 258 259 for (trans = powerbook_fn_keys; trans->from; trans++) 260 set_bit(trans->to, input->keybit); 261 262 for (trans = powerbook_numlock_keys; trans->from; trans++) 263 set_bit(trans->to, input->keybit); 264 265 for (trans = apple_iso_keyboard; trans->from; trans++) 266 set_bit(trans->to, input->keybit); 267 268 } 269 #else 270 inline int hidinput_apple_event(struct hid_device *hid, 271 struct input_dev *input, 272 struct hid_usage *usage, __s32 value) 273 { 274 return 0; 275 } 276 277 static inline void hidinput_apple_setup(struct input_dev *input) 278 { 279 } 280 #endif 281 282 static inline int match_scancode(int code, int scancode) 283 { 284 if (scancode == 0) 285 return 1; 286 return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode); 287 } 288 289 static inline int match_keycode(int code, int keycode) 290 { 291 if (keycode == 0) 292 return 1; 293 return (code == keycode); 294 } 295 296 static struct hid_usage *hidinput_find_key(struct hid_device *hid, 297 int scancode, int keycode) 298 { 299 int i, j, k; 300 struct hid_report *report; 301 struct hid_usage *usage; 302 303 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { 304 list_for_each_entry(report, &hid->report_enum[k].report_list, list) { 305 for (i = 0; i < report->maxfield; i++) { 306 for ( j = 0; j < report->field[i]->maxusage; j++) { 307 usage = report->field[i]->usage + j; 308 if (usage->type == EV_KEY && 309 match_scancode(usage->hid, scancode) && 310 match_keycode(usage->code, keycode)) 311 return usage; 312 } 313 } 314 } 315 } 316 return NULL; 317 } 318 319 static int hidinput_getkeycode(struct input_dev *dev, int scancode, 320 int *keycode) 321 { 322 struct hid_device *hid = input_get_drvdata(dev); 323 struct hid_usage *usage; 324 325 usage = hidinput_find_key(hid, scancode, 0); 326 if (usage) { 327 *keycode = usage->code; 328 return 0; 329 } 330 return -EINVAL; 331 } 332 333 static int hidinput_setkeycode(struct input_dev *dev, int scancode, 334 int keycode) 335 { 336 struct hid_device *hid = input_get_drvdata(dev); 337 struct hid_usage *usage; 338 int old_keycode; 339 340 if (keycode < 0 || keycode > KEY_MAX) 341 return -EINVAL; 342 343 usage = hidinput_find_key(hid, scancode, 0); 344 if (usage) { 345 old_keycode = usage->code; 346 usage->code = keycode; 347 348 clear_bit(old_keycode, dev->keybit); 349 set_bit(usage->code, dev->keybit); 350 dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode); 351 /* Set the keybit for the old keycode if the old keycode is used 352 * by another key */ 353 if (hidinput_find_key (hid, 0, old_keycode)) 354 set_bit(old_keycode, dev->keybit); 355 356 return 0; 357 } 358 359 return -EINVAL; 360 } 361 362 363 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field, 364 struct hid_usage *usage) 365 { 366 struct input_dev *input = hidinput->input; 367 struct hid_device *device = input_get_drvdata(input); 368 int max = 0, code, ret; 369 unsigned long *bit = NULL; 370 371 field->hidinput = hidinput; 372 373 dbg_hid("Mapping: "); 374 hid_resolv_usage(usage->hid); 375 dbg_hid_line(" ---> "); 376 377 if (field->flags & HID_MAIN_ITEM_CONSTANT) 378 goto ignore; 379 380 /* only LED usages are supported in output fields */ 381 if (field->report_type == HID_OUTPUT_REPORT && 382 (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) { 383 dbg_hid_line(" [non-LED output field] "); 384 goto ignore; 385 } 386 387 /* handle input mappings for quirky devices */ 388 ret = hidinput_mapping_quirks(usage, input, &bit, &max); 389 if (ret) 390 goto mapped; 391 392 switch (usage->hid & HID_USAGE_PAGE) { 393 394 case HID_UP_UNDEFINED: 395 goto ignore; 396 397 case HID_UP_KEYBOARD: 398 399 set_bit(EV_REP, input->evbit); 400 401 if ((usage->hid & HID_USAGE) < 256) { 402 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore; 403 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]); 404 } else 405 map_key(KEY_UNKNOWN); 406 407 break; 408 409 case HID_UP_BUTTON: 410 411 code = ((usage->hid - 1) & 0xf); 412 413 switch (field->application) { 414 case HID_GD_MOUSE: 415 case HID_GD_POINTER: code += 0x110; break; 416 case HID_GD_JOYSTICK: code += 0x120; break; 417 case HID_GD_GAMEPAD: code += 0x130; break; 418 default: 419 switch (field->physical) { 420 case HID_GD_MOUSE: 421 case HID_GD_POINTER: code += 0x110; break; 422 case HID_GD_JOYSTICK: code += 0x120; break; 423 case HID_GD_GAMEPAD: code += 0x130; break; 424 default: code += 0x100; 425 } 426 } 427 428 /* Special handling for Logitech Cordless Desktop */ 429 if (field->application != HID_GD_MOUSE) { 430 if (device->quirks & HID_QUIRK_LOGITECH_EXPANDED_KEYMAP) { 431 int hid = usage->hid & HID_USAGE; 432 if (hid < LOGITECH_EXPANDED_KEYMAP_SIZE && logitech_expanded_keymap[hid] != 0) 433 code = logitech_expanded_keymap[hid]; 434 } 435 } else { 436 if (device->quirks & HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL) { 437 int hid = usage->hid & HID_USAGE; 438 if (hid == 7 || hid == 8) 439 goto ignore; 440 } 441 } 442 443 map_key(code); 444 break; 445 446 447 case HID_UP_SIMULATION: 448 449 switch (usage->hid & 0xffff) { 450 case 0xba: map_abs(ABS_RUDDER); break; 451 case 0xbb: map_abs(ABS_THROTTLE); break; 452 case 0xc4: map_abs(ABS_GAS); break; 453 case 0xc5: map_abs(ABS_BRAKE); break; 454 case 0xc8: map_abs(ABS_WHEEL); break; 455 default: goto ignore; 456 } 457 break; 458 459 case HID_UP_GENDESK: 460 461 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ 462 switch (usage->hid & 0xf) { 463 case 0x1: map_key_clear(KEY_POWER); break; 464 case 0x2: map_key_clear(KEY_SLEEP); break; 465 case 0x3: map_key_clear(KEY_WAKEUP); break; 466 default: goto unknown; 467 } 468 break; 469 } 470 471 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */ 472 switch (usage->hid) { 473 case HID_GD_UP: usage->hat_dir = 1; break; 474 case HID_GD_DOWN: usage->hat_dir = 5; break; 475 case HID_GD_RIGHT: usage->hat_dir = 3; break; 476 case HID_GD_LEFT: usage->hat_dir = 7; break; 477 default: goto unknown; 478 } 479 if (field->dpad) { 480 map_abs(field->dpad); 481 goto ignore; 482 } 483 map_abs(ABS_HAT0X); 484 break; 485 } 486 487 switch (usage->hid) { 488 489 /* These usage IDs map directly to the usage codes. */ 490 case HID_GD_X: case HID_GD_Y: case HID_GD_Z: 491 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ: 492 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL: 493 if (field->flags & HID_MAIN_ITEM_RELATIVE) 494 map_rel(usage->hid & 0xf); 495 else 496 map_abs(usage->hid & 0xf); 497 break; 498 499 case HID_GD_HATSWITCH: 500 usage->hat_min = field->logical_minimum; 501 usage->hat_max = field->logical_maximum; 502 map_abs(ABS_HAT0X); 503 break; 504 505 case HID_GD_START: map_key_clear(BTN_START); break; 506 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break; 507 508 default: goto unknown; 509 } 510 511 break; 512 513 case HID_UP_LED: 514 515 switch (usage->hid & 0xffff) { /* HID-Value: */ 516 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */ 517 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */ 518 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */ 519 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */ 520 case 0x05: map_led (LED_KANA); break; /* "Kana" */ 521 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */ 522 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */ 523 case 0x09: map_led (LED_MUTE); break; /* "Mute" */ 524 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */ 525 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */ 526 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */ 527 528 default: goto ignore; 529 } 530 break; 531 532 case HID_UP_DIGITIZER: 533 534 switch (usage->hid & 0xff) { 535 536 case 0x30: /* TipPressure */ 537 if (!test_bit(BTN_TOUCH, input->keybit)) { 538 device->quirks |= HID_QUIRK_NOTOUCH; 539 set_bit(EV_KEY, input->evbit); 540 set_bit(BTN_TOUCH, input->keybit); 541 } 542 543 map_abs_clear(ABS_PRESSURE); 544 break; 545 546 case 0x32: /* InRange */ 547 switch (field->physical & 0xff) { 548 case 0x21: map_key(BTN_TOOL_MOUSE); break; 549 case 0x22: map_key(BTN_TOOL_FINGER); break; 550 default: map_key(BTN_TOOL_PEN); break; 551 } 552 break; 553 554 case 0x3c: /* Invert */ 555 map_key_clear(BTN_TOOL_RUBBER); 556 break; 557 558 case 0x33: /* Touch */ 559 case 0x42: /* TipSwitch */ 560 case 0x43: /* TipSwitch2 */ 561 device->quirks &= ~HID_QUIRK_NOTOUCH; 562 map_key_clear(BTN_TOUCH); 563 break; 564 565 case 0x44: /* BarrelSwitch */ 566 map_key_clear(BTN_STYLUS); 567 break; 568 569 default: goto unknown; 570 } 571 break; 572 573 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */ 574 575 switch (usage->hid & HID_USAGE) { 576 case 0x000: goto ignore; 577 case 0x034: map_key_clear(KEY_SLEEP); break; 578 case 0x036: map_key_clear(BTN_MISC); break; 579 580 case 0x040: map_key_clear(KEY_MENU); break; 581 case 0x045: map_key_clear(KEY_RADIO); break; 582 583 case 0x083: map_key_clear(KEY_LAST); break; 584 case 0x088: map_key_clear(KEY_PC); break; 585 case 0x089: map_key_clear(KEY_TV); break; 586 case 0x08a: map_key_clear(KEY_WWW); break; 587 case 0x08b: map_key_clear(KEY_DVD); break; 588 case 0x08c: map_key_clear(KEY_PHONE); break; 589 case 0x08d: map_key_clear(KEY_PROGRAM); break; 590 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break; 591 case 0x08f: map_key_clear(KEY_GAMES); break; 592 case 0x090: map_key_clear(KEY_MEMO); break; 593 case 0x091: map_key_clear(KEY_CD); break; 594 case 0x092: map_key_clear(KEY_VCR); break; 595 case 0x093: map_key_clear(KEY_TUNER); break; 596 case 0x094: map_key_clear(KEY_EXIT); break; 597 case 0x095: map_key_clear(KEY_HELP); break; 598 case 0x096: map_key_clear(KEY_TAPE); break; 599 case 0x097: map_key_clear(KEY_TV2); break; 600 case 0x098: map_key_clear(KEY_SAT); break; 601 case 0x09a: map_key_clear(KEY_PVR); break; 602 603 case 0x09c: map_key_clear(KEY_CHANNELUP); break; 604 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break; 605 case 0x0a0: map_key_clear(KEY_VCR2); break; 606 607 case 0x0b0: map_key_clear(KEY_PLAY); break; 608 case 0x0b1: map_key_clear(KEY_PAUSE); break; 609 case 0x0b2: map_key_clear(KEY_RECORD); break; 610 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break; 611 case 0x0b4: map_key_clear(KEY_REWIND); break; 612 case 0x0b5: map_key_clear(KEY_NEXTSONG); break; 613 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break; 614 case 0x0b7: map_key_clear(KEY_STOPCD); break; 615 case 0x0b8: map_key_clear(KEY_EJECTCD); break; 616 617 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break; 618 case 0x0e0: map_abs_clear(ABS_VOLUME); break; 619 case 0x0e2: map_key_clear(KEY_MUTE); break; 620 case 0x0e5: map_key_clear(KEY_BASSBOOST); break; 621 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break; 622 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break; 623 624 case 0x182: map_key_clear(KEY_BOOKMARKS); break; 625 case 0x183: map_key_clear(KEY_CONFIG); break; 626 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break; 627 case 0x185: map_key_clear(KEY_EDITOR); break; 628 case 0x186: map_key_clear(KEY_SPREADSHEET); break; 629 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break; 630 case 0x188: map_key_clear(KEY_PRESENTATION); break; 631 case 0x189: map_key_clear(KEY_DATABASE); break; 632 case 0x18a: map_key_clear(KEY_MAIL); break; 633 case 0x18b: map_key_clear(KEY_NEWS); break; 634 case 0x18c: map_key_clear(KEY_VOICEMAIL); break; 635 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break; 636 case 0x18e: map_key_clear(KEY_CALENDAR); break; 637 case 0x191: map_key_clear(KEY_FINANCE); break; 638 case 0x192: map_key_clear(KEY_CALC); break; 639 case 0x194: map_key_clear(KEY_FILE); break; 640 case 0x196: map_key_clear(KEY_WWW); break; 641 case 0x19c: map_key_clear(KEY_LOGOFF); break; 642 case 0x19e: map_key_clear(KEY_COFFEE); break; 643 case 0x1a6: map_key_clear(KEY_HELP); break; 644 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break; 645 case 0x1ab: map_key_clear(KEY_SPELLCHECK); break; 646 case 0x1b6: map_key_clear(KEY_MEDIA); break; 647 case 0x1b7: map_key_clear(KEY_SOUND); break; 648 case 0x1bc: map_key_clear(KEY_MESSENGER); break; 649 case 0x1bd: map_key_clear(KEY_INFO); break; 650 case 0x201: map_key_clear(KEY_NEW); break; 651 case 0x202: map_key_clear(KEY_OPEN); break; 652 case 0x203: map_key_clear(KEY_CLOSE); break; 653 case 0x204: map_key_clear(KEY_EXIT); break; 654 case 0x207: map_key_clear(KEY_SAVE); break; 655 case 0x208: map_key_clear(KEY_PRINT); break; 656 case 0x209: map_key_clear(KEY_PROPS); break; 657 case 0x21a: map_key_clear(KEY_UNDO); break; 658 case 0x21b: map_key_clear(KEY_COPY); break; 659 case 0x21c: map_key_clear(KEY_CUT); break; 660 case 0x21d: map_key_clear(KEY_PASTE); break; 661 case 0x21f: map_key_clear(KEY_FIND); break; 662 case 0x221: map_key_clear(KEY_SEARCH); break; 663 case 0x222: map_key_clear(KEY_GOTO); break; 664 case 0x223: map_key_clear(KEY_HOMEPAGE); break; 665 case 0x224: map_key_clear(KEY_BACK); break; 666 case 0x225: map_key_clear(KEY_FORWARD); break; 667 case 0x226: map_key_clear(KEY_STOP); break; 668 case 0x227: map_key_clear(KEY_REFRESH); break; 669 case 0x22a: map_key_clear(KEY_BOOKMARKS); break; 670 case 0x22d: map_key_clear(KEY_ZOOMIN); break; 671 case 0x22e: map_key_clear(KEY_ZOOMOUT); break; 672 case 0x22f: map_key_clear(KEY_ZOOMRESET); break; 673 case 0x233: map_key_clear(KEY_SCROLLUP); break; 674 case 0x234: map_key_clear(KEY_SCROLLDOWN); break; 675 case 0x238: map_rel(REL_HWHEEL); break; 676 case 0x25f: map_key_clear(KEY_CANCEL); break; 677 case 0x279: map_key_clear(KEY_REDO); break; 678 679 case 0x289: map_key_clear(KEY_REPLY); break; 680 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break; 681 case 0x28c: map_key_clear(KEY_SEND); break; 682 683 default: goto ignore; 684 } 685 break; 686 687 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */ 688 689 set_bit(EV_REP, input->evbit); 690 switch (usage->hid & HID_USAGE) { 691 case 0x021: map_key_clear(KEY_PRINT); break; 692 case 0x070: map_key_clear(KEY_HP); break; 693 case 0x071: map_key_clear(KEY_CAMERA); break; 694 case 0x072: map_key_clear(KEY_SOUND); break; 695 case 0x073: map_key_clear(KEY_QUESTION); break; 696 case 0x080: map_key_clear(KEY_EMAIL); break; 697 case 0x081: map_key_clear(KEY_CHAT); break; 698 case 0x082: map_key_clear(KEY_SEARCH); break; 699 case 0x083: map_key_clear(KEY_CONNECT); break; 700 case 0x084: map_key_clear(KEY_FINANCE); break; 701 case 0x085: map_key_clear(KEY_SPORT); break; 702 case 0x086: map_key_clear(KEY_SHOP); break; 703 default: goto ignore; 704 } 705 break; 706 707 case HID_UP_MSVENDOR: 708 709 goto ignore; 710 711 case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */ 712 713 set_bit(EV_REP, input->evbit); 714 switch(usage->hid & HID_USAGE) { 715 case 0x003: 716 /* The fn key on Apple USB keyboards */ 717 map_key_clear(KEY_FN); 718 hidinput_apple_setup(input); 719 break; 720 721 default: goto ignore; 722 } 723 break; 724 725 case HID_UP_LOGIVENDOR: 726 727 goto ignore; 728 729 case HID_UP_PID: 730 731 switch(usage->hid & HID_USAGE) { 732 case 0xa4: map_key_clear(BTN_DEAD); break; 733 default: goto ignore; 734 } 735 break; 736 737 default: 738 unknown: 739 if (field->report_size == 1) { 740 if (field->report->type == HID_OUTPUT_REPORT) { 741 map_led(LED_MISC); 742 break; 743 } 744 map_key(BTN_MISC); 745 break; 746 } 747 if (field->flags & HID_MAIN_ITEM_RELATIVE) { 748 map_rel(REL_MISC); 749 break; 750 } 751 map_abs(ABS_MISC); 752 break; 753 } 754 755 mapped: 756 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) { 757 if (usage->hid == HID_GD_Z) 758 map_rel(REL_HWHEEL); 759 else if (usage->code == BTN_1) 760 map_key(BTN_2); 761 else if (usage->code == BTN_2) 762 map_key(BTN_1); 763 } 764 765 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5 | 766 HID_QUIRK_2WHEEL_MOUSE_HACK_B8)) && (usage->type == EV_REL) && 767 (usage->code == REL_WHEEL)) 768 set_bit(REL_HWHEEL, bit); 769 770 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005)) 771 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) 772 goto ignore; 773 774 if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) && 775 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE)) 776 field->flags &= ~HID_MAIN_ITEM_RELATIVE; 777 778 set_bit(usage->type, input->evbit); 779 780 if (device->quirks & HID_QUIRK_DUPLICATE_USAGES && 781 (usage->type == EV_KEY || 782 usage->type == EV_REL || 783 usage->type == EV_ABS)) 784 clear_bit(usage->code, bit); 785 786 while (usage->code <= max && test_and_set_bit(usage->code, bit)) 787 usage->code = find_next_zero_bit(bit, max + 1, usage->code); 788 789 if (usage->code > max) 790 goto ignore; 791 792 793 if (usage->type == EV_ABS) { 794 795 int a = field->logical_minimum; 796 int b = field->logical_maximum; 797 798 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) { 799 a = field->logical_minimum = 0; 800 b = field->logical_maximum = 255; 801 } 802 803 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK) 804 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4); 805 else input_set_abs_params(input, usage->code, a, b, 0, 0); 806 807 } 808 809 if (usage->type == EV_ABS && 810 (usage->hat_min < usage->hat_max || usage->hat_dir)) { 811 int i; 812 for (i = usage->code; i < usage->code + 2 && i <= max; i++) { 813 input_set_abs_params(input, i, -1, 1, 0, 0); 814 set_bit(i, input->absbit); 815 } 816 if (usage->hat_dir && !field->dpad) 817 field->dpad = usage->code; 818 } 819 820 /* for those devices which produce Consumer volume usage as relative, 821 * we emulate pressing volumeup/volumedown appropriate number of times 822 * in hidinput_hid_event() 823 */ 824 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && 825 (usage->code == ABS_VOLUME)) { 826 set_bit(KEY_VOLUMEUP, input->keybit); 827 set_bit(KEY_VOLUMEDOWN, input->keybit); 828 } 829 830 if (usage->type == EV_KEY) { 831 set_bit(EV_MSC, input->evbit); 832 set_bit(MSC_SCAN, input->mscbit); 833 } 834 835 hid_resolv_event(usage->type, usage->code); 836 837 dbg_hid_line("\n"); 838 839 return; 840 841 ignore: 842 dbg_hid_line("IGNORED\n"); 843 return; 844 } 845 846 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) 847 { 848 struct input_dev *input; 849 unsigned *quirks = &hid->quirks; 850 851 if (!field->hidinput) 852 return; 853 854 input = field->hidinput->input; 855 856 if (!usage->type) 857 return; 858 859 /* handle input events for quirky devices */ 860 if (hidinput_event_quirks(hid, field, usage, value)) 861 return; 862 863 if (usage->hat_min < usage->hat_max || usage->hat_dir) { 864 int hat_dir = usage->hat_dir; 865 if (!hat_dir) 866 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1; 867 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0; 868 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x); 869 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y); 870 return; 871 } 872 873 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */ 874 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT); 875 return; 876 } 877 878 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */ 879 if (value) { 880 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1); 881 return; 882 } 883 input_event(input, usage->type, usage->code, 0); 884 input_event(input, usage->type, BTN_TOOL_RUBBER, 0); 885 return; 886 } 887 888 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */ 889 int a = field->logical_minimum; 890 int b = field->logical_maximum; 891 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3)); 892 } 893 894 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */ 895 dbg_hid("Maximum Effects - %d\n",value); 896 return; 897 } 898 899 if (usage->hid == (HID_UP_PID | 0x7fUL)) { 900 dbg_hid("PID Pool Report\n"); 901 return; 902 } 903 904 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */ 905 return; 906 907 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && 908 (usage->code == ABS_VOLUME)) { 909 int count = abs(value); 910 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN; 911 int i; 912 913 for (i = 0; i < count; i++) { 914 input_event(input, EV_KEY, direction, 1); 915 input_sync(input); 916 input_event(input, EV_KEY, direction, 0); 917 input_sync(input); 918 } 919 return; 920 } 921 922 /* report the usage code as scancode if the key status has changed */ 923 if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value) 924 input_event(input, EV_MSC, MSC_SCAN, usage->hid); 925 926 input_event(input, usage->type, usage->code, value); 927 928 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY)) 929 input_event(input, usage->type, usage->code, 0); 930 } 931 932 void hidinput_report_event(struct hid_device *hid, struct hid_report *report) 933 { 934 struct hid_input *hidinput; 935 936 list_for_each_entry(hidinput, &hid->inputs, list) 937 input_sync(hidinput->input); 938 } 939 EXPORT_SYMBOL_GPL(hidinput_report_event); 940 941 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field) 942 { 943 struct hid_report *report; 944 int i, j; 945 946 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) { 947 for (i = 0; i < report->maxfield; i++) { 948 *field = report->field[i]; 949 for (j = 0; j < (*field)->maxusage; j++) 950 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code) 951 return j; 952 } 953 } 954 return -1; 955 } 956 EXPORT_SYMBOL_GPL(hidinput_find_field); 957 958 static int hidinput_open(struct input_dev *dev) 959 { 960 struct hid_device *hid = input_get_drvdata(dev); 961 962 return hid->hid_open(hid); 963 } 964 965 static void hidinput_close(struct input_dev *dev) 966 { 967 struct hid_device *hid = input_get_drvdata(dev); 968 969 hid->hid_close(hid); 970 } 971 972 /* 973 * Register the input device; print a message. 974 * Configure the input layer interface 975 * Read all reports and initialize the absolute field values. 976 */ 977 978 int hidinput_connect(struct hid_device *hid) 979 { 980 struct hid_report *report; 981 struct hid_input *hidinput = NULL; 982 struct input_dev *input_dev; 983 int i, j, k; 984 int max_report_type = HID_OUTPUT_REPORT; 985 986 if (hid->quirks & HID_QUIRK_IGNORE_HIDINPUT) 987 return -1; 988 989 INIT_LIST_HEAD(&hid->inputs); 990 991 for (i = 0; i < hid->maxcollection; i++) 992 if (hid->collection[i].type == HID_COLLECTION_APPLICATION || 993 hid->collection[i].type == HID_COLLECTION_PHYSICAL) 994 if (IS_INPUT_APPLICATION(hid->collection[i].usage)) 995 break; 996 997 if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0) 998 return -1; 999 1000 if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) 1001 max_report_type = HID_INPUT_REPORT; 1002 1003 for (k = HID_INPUT_REPORT; k <= max_report_type; k++) 1004 list_for_each_entry(report, &hid->report_enum[k].report_list, list) { 1005 1006 if (!report->maxfield) 1007 continue; 1008 1009 if (!hidinput) { 1010 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL); 1011 input_dev = input_allocate_device(); 1012 if (!hidinput || !input_dev) { 1013 kfree(hidinput); 1014 input_free_device(input_dev); 1015 err_hid("Out of memory during hid input probe"); 1016 goto out_unwind; 1017 } 1018 1019 input_set_drvdata(input_dev, hid); 1020 input_dev->event = hid->hidinput_input_event; 1021 input_dev->open = hidinput_open; 1022 input_dev->close = hidinput_close; 1023 input_dev->setkeycode = hidinput_setkeycode; 1024 input_dev->getkeycode = hidinput_getkeycode; 1025 1026 input_dev->name = hid->name; 1027 input_dev->phys = hid->phys; 1028 input_dev->uniq = hid->uniq; 1029 input_dev->id.bustype = hid->bus; 1030 input_dev->id.vendor = hid->vendor; 1031 input_dev->id.product = hid->product; 1032 input_dev->id.version = hid->version; 1033 input_dev->dev.parent = hid->dev; 1034 hidinput->input = input_dev; 1035 list_add_tail(&hidinput->list, &hid->inputs); 1036 } 1037 1038 for (i = 0; i < report->maxfield; i++) 1039 for (j = 0; j < report->field[i]->maxusage; j++) 1040 hidinput_configure_usage(hidinput, report->field[i], 1041 report->field[i]->usage + j); 1042 1043 if (hid->quirks & HID_QUIRK_MULTI_INPUT) { 1044 /* This will leave hidinput NULL, so that it 1045 * allocates another one if we have more inputs on 1046 * the same interface. Some devices (e.g. Happ's 1047 * UGCI) cram a lot of unrelated inputs into the 1048 * same interface. */ 1049 hidinput->report = report; 1050 if (input_register_device(hidinput->input)) 1051 goto out_cleanup; 1052 hidinput = NULL; 1053 } 1054 } 1055 1056 if (hidinput && input_register_device(hidinput->input)) 1057 goto out_cleanup; 1058 1059 return 0; 1060 1061 out_cleanup: 1062 input_free_device(hidinput->input); 1063 kfree(hidinput); 1064 out_unwind: 1065 /* unwind the ones we already registered */ 1066 hidinput_disconnect(hid); 1067 1068 return -1; 1069 } 1070 EXPORT_SYMBOL_GPL(hidinput_connect); 1071 1072 void hidinput_disconnect(struct hid_device *hid) 1073 { 1074 struct hid_input *hidinput, *next; 1075 1076 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { 1077 list_del(&hidinput->list); 1078 input_unregister_device(hidinput->input); 1079 kfree(hidinput); 1080 } 1081 } 1082 EXPORT_SYMBOL_GPL(hidinput_disconnect); 1083 1084