1 /* 2 * Copyright (c) 2000-2001 Vojtech Pavlik 3 * Copyright (c) 2006-2007 Jiri Kosina 4 * 5 * HID to Linux Input mapping 6 */ 7 8 /* 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 * Should you need to contact me, the author, you can do so either by 24 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: 25 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic 26 */ 27 28 #include <linux/module.h> 29 #include <linux/slab.h> 30 #include <linux/kernel.h> 31 32 #include <linux/hid.h> 33 #include <linux/hid-debug.h> 34 35 static int hid_apple_fnmode = 1; 36 module_param_named(pb_fnmode, hid_apple_fnmode, int, 0644); 37 MODULE_PARM_DESC(pb_fnmode, 38 "Mode of fn key on Apple keyboards (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)"); 39 40 #define unk KEY_UNKNOWN 41 42 static const unsigned char hid_keyboard[256] = { 43 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, 44 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3, 45 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26, 46 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64, 47 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106, 48 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71, 49 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190, 50 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113, 51 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk, 52 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, 53 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, 54 unk,unk,unk,unk,unk,unk,179,180,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 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113, 58 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk 59 }; 60 61 /* extended mapping for certain Logitech hardware (Logitech cordless desktop LX500) */ 62 #define LOGITECH_EXPANDED_KEYMAP_SIZE 80 63 static int logitech_expanded_keymap[LOGITECH_EXPANDED_KEYMAP_SIZE] = { 64 0,216, 0,213,175,156, 0, 0, 0, 0, 65 144, 0, 0, 0, 0, 0, 0, 0, 0,212, 66 174,167,152,161,112, 0, 0, 0,154, 0, 67 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 68 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 69 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 70 0, 0, 0, 0, 0,183,184,185,186,187, 71 188,189,190,191,192,193,194, 0, 0, 0 72 }; 73 74 static const struct { 75 __s32 x; 76 __s32 y; 77 } hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}}; 78 79 #define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0) 80 #define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0) 81 #define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0) 82 #define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0) 83 84 #define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0) 85 #define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0) 86 87 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK 88 89 struct hidinput_key_translation { 90 u16 from; 91 u16 to; 92 u8 flags; 93 }; 94 95 #define APPLE_FLAG_FKEY 0x01 96 97 static struct hidinput_key_translation apple_fn_keys[] = { 98 { KEY_BACKSPACE, KEY_DELETE }, 99 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, 100 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, 101 { KEY_F3, KEY_FN_F5, APPLE_FLAG_FKEY }, /* Expos� */ 102 { KEY_F4, KEY_FN_F4, APPLE_FLAG_FKEY }, /* Dashboard */ 103 { KEY_F5, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY }, 104 { KEY_F6, KEY_KBDILLUMUP, APPLE_FLAG_FKEY }, 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 (hid->quirks & HID_QUIRK_APPLE_NUMLOCK_EMULATION && ( 222 test_bit(usage->code, hid->pb_pressed_numlock) || 223 test_bit(LED_NUML, input->led))) { 224 trans = find_translation(powerbook_numlock_keys, usage->code); 225 226 if (trans) { 227 if (value) 228 set_bit(usage->code, hid->pb_pressed_numlock); 229 else 230 clear_bit(usage->code, hid->pb_pressed_numlock); 231 232 input_event(input, usage->type, trans->to, value); 233 } 234 235 return 1; 236 } 237 } 238 239 if (hid->quirks & HID_QUIRK_APPLE_ISO_KEYBOARD) { 240 trans = find_translation(apple_iso_keyboard, usage->code); 241 if (trans) { 242 input_event(input, usage->type, trans->to, value); 243 return 1; 244 } 245 } 246 247 return 0; 248 } 249 250 static void hidinput_apple_setup(struct input_dev *input) 251 { 252 struct hidinput_key_translation *trans; 253 254 set_bit(KEY_NUMLOCK, input->keybit); 255 256 /* Enable all needed keys */ 257 for (trans = apple_fn_keys; trans->from; trans++) 258 set_bit(trans->to, input->keybit); 259 260 for (trans = powerbook_fn_keys; trans->from; trans++) 261 set_bit(trans->to, input->keybit); 262 263 for (trans = powerbook_numlock_keys; trans->from; trans++) 264 set_bit(trans->to, input->keybit); 265 266 for (trans = apple_iso_keyboard; trans->from; trans++) 267 set_bit(trans->to, input->keybit); 268 269 } 270 #else 271 inline int hidinput_apple_event(struct hid_device *hid, 272 struct input_dev *input, 273 struct hid_usage *usage, __s32 value) 274 { 275 return 0; 276 } 277 278 static inline void hidinput_apple_setup(struct input_dev *input) 279 { 280 } 281 #endif 282 283 static inline int match_scancode(int code, int scancode) 284 { 285 if (scancode == 0) 286 return 1; 287 return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode); 288 } 289 290 static inline int match_keycode(int code, int keycode) 291 { 292 if (keycode == 0) 293 return 1; 294 return (code == keycode); 295 } 296 297 static struct hid_usage *hidinput_find_key(struct hid_device *hid, 298 int scancode, int keycode) 299 { 300 int i, j, k; 301 struct hid_report *report; 302 struct hid_usage *usage; 303 304 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { 305 list_for_each_entry(report, &hid->report_enum[k].report_list, list) { 306 for (i = 0; i < report->maxfield; i++) { 307 for ( j = 0; j < report->field[i]->maxusage; j++) { 308 usage = report->field[i]->usage + j; 309 if (usage->type == EV_KEY && 310 match_scancode(usage->hid, scancode) && 311 match_keycode(usage->code, keycode)) 312 return usage; 313 } 314 } 315 } 316 } 317 return NULL; 318 } 319 320 static int hidinput_getkeycode(struct input_dev *dev, int scancode, 321 int *keycode) 322 { 323 struct hid_device *hid = input_get_drvdata(dev); 324 struct hid_usage *usage; 325 326 usage = hidinput_find_key(hid, scancode, 0); 327 if (usage) { 328 *keycode = usage->code; 329 return 0; 330 } 331 return -EINVAL; 332 } 333 334 static int hidinput_setkeycode(struct input_dev *dev, int scancode, 335 int keycode) 336 { 337 struct hid_device *hid = input_get_drvdata(dev); 338 struct hid_usage *usage; 339 int old_keycode; 340 341 if (keycode < 0 || keycode > KEY_MAX) 342 return -EINVAL; 343 344 usage = hidinput_find_key(hid, scancode, 0); 345 if (usage) { 346 old_keycode = usage->code; 347 usage->code = keycode; 348 349 clear_bit(old_keycode, dev->keybit); 350 set_bit(usage->code, dev->keybit); 351 dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode); 352 /* Set the keybit for the old keycode if the old keycode is used 353 * by another key */ 354 if (hidinput_find_key (hid, 0, old_keycode)) 355 set_bit(old_keycode, dev->keybit); 356 357 return 0; 358 } 359 360 return -EINVAL; 361 } 362 363 364 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field, 365 struct hid_usage *usage) 366 { 367 struct input_dev *input = hidinput->input; 368 struct hid_device *device = input_get_drvdata(input); 369 int max = 0, code, ret; 370 unsigned long *bit = NULL; 371 372 field->hidinput = hidinput; 373 374 dbg_hid("Mapping: "); 375 hid_resolv_usage(usage->hid); 376 dbg_hid_line(" ---> "); 377 378 if (field->flags & HID_MAIN_ITEM_CONSTANT) 379 goto ignore; 380 381 /* only LED usages are supported in output fields */ 382 if (field->report_type == HID_OUTPUT_REPORT && 383 (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) { 384 dbg_hid_line(" [non-LED output field] "); 385 goto ignore; 386 } 387 388 /* handle input mappings for quirky devices */ 389 ret = hidinput_mapping_quirks(usage, input, &bit, &max); 390 if (ret) 391 goto mapped; 392 393 if (device->driver->input_mapping) { 394 int ret = device->driver->input_mapping(device, hidinput, field, 395 usage, &bit, &max); 396 if (ret > 0) 397 goto mapped; 398 if (ret < 0) 399 goto ignore; 400 } 401 402 switch (usage->hid & HID_USAGE_PAGE) { 403 404 case HID_UP_UNDEFINED: 405 goto ignore; 406 407 case HID_UP_KEYBOARD: 408 409 set_bit(EV_REP, input->evbit); 410 411 if ((usage->hid & HID_USAGE) < 256) { 412 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore; 413 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]); 414 } else 415 map_key(KEY_UNKNOWN); 416 417 break; 418 419 case HID_UP_BUTTON: 420 421 code = ((usage->hid - 1) & 0xf); 422 423 switch (field->application) { 424 case HID_GD_MOUSE: 425 case HID_GD_POINTER: code += 0x110; break; 426 case HID_GD_JOYSTICK: code += 0x120; break; 427 case HID_GD_GAMEPAD: code += 0x130; break; 428 default: 429 switch (field->physical) { 430 case HID_GD_MOUSE: 431 case HID_GD_POINTER: code += 0x110; break; 432 case HID_GD_JOYSTICK: code += 0x120; break; 433 case HID_GD_GAMEPAD: code += 0x130; break; 434 default: code += 0x100; 435 } 436 } 437 438 /* Special handling for Logitech Cordless Desktop */ 439 if (field->application != HID_GD_MOUSE) { 440 if (device->quirks & HID_QUIRK_LOGITECH_EXPANDED_KEYMAP) { 441 int hid = usage->hid & HID_USAGE; 442 if (hid < LOGITECH_EXPANDED_KEYMAP_SIZE && logitech_expanded_keymap[hid] != 0) 443 code = logitech_expanded_keymap[hid]; 444 } 445 } else { 446 if (device->quirks & HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL) { 447 int hid = usage->hid & HID_USAGE; 448 if (hid == 7 || hid == 8) 449 goto ignore; 450 } 451 } 452 453 map_key(code); 454 break; 455 456 457 case HID_UP_SIMULATION: 458 459 switch (usage->hid & 0xffff) { 460 case 0xba: map_abs(ABS_RUDDER); break; 461 case 0xbb: map_abs(ABS_THROTTLE); break; 462 case 0xc4: map_abs(ABS_GAS); break; 463 case 0xc5: map_abs(ABS_BRAKE); break; 464 case 0xc8: map_abs(ABS_WHEEL); break; 465 default: goto ignore; 466 } 467 break; 468 469 case HID_UP_GENDESK: 470 471 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ 472 switch (usage->hid & 0xf) { 473 case 0x1: map_key_clear(KEY_POWER); break; 474 case 0x2: map_key_clear(KEY_SLEEP); break; 475 case 0x3: map_key_clear(KEY_WAKEUP); break; 476 default: goto unknown; 477 } 478 break; 479 } 480 481 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */ 482 switch (usage->hid) { 483 case HID_GD_UP: usage->hat_dir = 1; break; 484 case HID_GD_DOWN: usage->hat_dir = 5; break; 485 case HID_GD_RIGHT: usage->hat_dir = 3; break; 486 case HID_GD_LEFT: usage->hat_dir = 7; break; 487 default: goto unknown; 488 } 489 if (field->dpad) { 490 map_abs(field->dpad); 491 goto ignore; 492 } 493 map_abs(ABS_HAT0X); 494 break; 495 } 496 497 switch (usage->hid) { 498 499 /* These usage IDs map directly to the usage codes. */ 500 case HID_GD_X: case HID_GD_Y: case HID_GD_Z: 501 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ: 502 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL: 503 if (field->flags & HID_MAIN_ITEM_RELATIVE) 504 map_rel(usage->hid & 0xf); 505 else 506 map_abs(usage->hid & 0xf); 507 break; 508 509 case HID_GD_HATSWITCH: 510 usage->hat_min = field->logical_minimum; 511 usage->hat_max = field->logical_maximum; 512 map_abs(ABS_HAT0X); 513 break; 514 515 case HID_GD_START: map_key_clear(BTN_START); break; 516 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break; 517 518 default: goto unknown; 519 } 520 521 break; 522 523 case HID_UP_LED: 524 525 switch (usage->hid & 0xffff) { /* HID-Value: */ 526 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */ 527 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */ 528 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */ 529 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */ 530 case 0x05: map_led (LED_KANA); break; /* "Kana" */ 531 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */ 532 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */ 533 case 0x09: map_led (LED_MUTE); break; /* "Mute" */ 534 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */ 535 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */ 536 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */ 537 538 default: goto ignore; 539 } 540 break; 541 542 case HID_UP_DIGITIZER: 543 544 switch (usage->hid & 0xff) { 545 546 case 0x30: /* TipPressure */ 547 if (!test_bit(BTN_TOUCH, input->keybit)) { 548 device->quirks |= HID_QUIRK_NOTOUCH; 549 set_bit(EV_KEY, input->evbit); 550 set_bit(BTN_TOUCH, input->keybit); 551 } 552 553 map_abs_clear(ABS_PRESSURE); 554 break; 555 556 case 0x32: /* InRange */ 557 switch (field->physical & 0xff) { 558 case 0x21: map_key(BTN_TOOL_MOUSE); break; 559 case 0x22: map_key(BTN_TOOL_FINGER); break; 560 default: map_key(BTN_TOOL_PEN); break; 561 } 562 break; 563 564 case 0x3c: /* Invert */ 565 map_key_clear(BTN_TOOL_RUBBER); 566 break; 567 568 case 0x33: /* Touch */ 569 case 0x42: /* TipSwitch */ 570 case 0x43: /* TipSwitch2 */ 571 device->quirks &= ~HID_QUIRK_NOTOUCH; 572 map_key_clear(BTN_TOUCH); 573 break; 574 575 case 0x44: /* BarrelSwitch */ 576 map_key_clear(BTN_STYLUS); 577 break; 578 579 default: goto unknown; 580 } 581 break; 582 583 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */ 584 585 switch (usage->hid & HID_USAGE) { 586 case 0x000: goto ignore; 587 case 0x034: map_key_clear(KEY_SLEEP); break; 588 case 0x036: map_key_clear(BTN_MISC); break; 589 590 case 0x040: map_key_clear(KEY_MENU); break; 591 case 0x045: map_key_clear(KEY_RADIO); break; 592 593 case 0x083: map_key_clear(KEY_LAST); break; 594 case 0x088: map_key_clear(KEY_PC); break; 595 case 0x089: map_key_clear(KEY_TV); break; 596 case 0x08a: map_key_clear(KEY_WWW); break; 597 case 0x08b: map_key_clear(KEY_DVD); break; 598 case 0x08c: map_key_clear(KEY_PHONE); break; 599 case 0x08d: map_key_clear(KEY_PROGRAM); break; 600 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break; 601 case 0x08f: map_key_clear(KEY_GAMES); break; 602 case 0x090: map_key_clear(KEY_MEMO); break; 603 case 0x091: map_key_clear(KEY_CD); break; 604 case 0x092: map_key_clear(KEY_VCR); break; 605 case 0x093: map_key_clear(KEY_TUNER); break; 606 case 0x094: map_key_clear(KEY_EXIT); break; 607 case 0x095: map_key_clear(KEY_HELP); break; 608 case 0x096: map_key_clear(KEY_TAPE); break; 609 case 0x097: map_key_clear(KEY_TV2); break; 610 case 0x098: map_key_clear(KEY_SAT); break; 611 case 0x09a: map_key_clear(KEY_PVR); break; 612 613 case 0x09c: map_key_clear(KEY_CHANNELUP); break; 614 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break; 615 case 0x0a0: map_key_clear(KEY_VCR2); break; 616 617 case 0x0b0: map_key_clear(KEY_PLAY); break; 618 case 0x0b1: map_key_clear(KEY_PAUSE); break; 619 case 0x0b2: map_key_clear(KEY_RECORD); break; 620 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break; 621 case 0x0b4: map_key_clear(KEY_REWIND); break; 622 case 0x0b5: map_key_clear(KEY_NEXTSONG); break; 623 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break; 624 case 0x0b7: map_key_clear(KEY_STOPCD); break; 625 case 0x0b8: map_key_clear(KEY_EJECTCD); break; 626 case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break; 627 628 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break; 629 case 0x0e0: map_abs_clear(ABS_VOLUME); break; 630 case 0x0e2: map_key_clear(KEY_MUTE); break; 631 case 0x0e5: map_key_clear(KEY_BASSBOOST); break; 632 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break; 633 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break; 634 635 case 0x182: map_key_clear(KEY_BOOKMARKS); break; 636 case 0x183: map_key_clear(KEY_CONFIG); break; 637 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break; 638 case 0x185: map_key_clear(KEY_EDITOR); break; 639 case 0x186: map_key_clear(KEY_SPREADSHEET); break; 640 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break; 641 case 0x188: map_key_clear(KEY_PRESENTATION); break; 642 case 0x189: map_key_clear(KEY_DATABASE); break; 643 case 0x18a: map_key_clear(KEY_MAIL); break; 644 case 0x18b: map_key_clear(KEY_NEWS); break; 645 case 0x18c: map_key_clear(KEY_VOICEMAIL); break; 646 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break; 647 case 0x18e: map_key_clear(KEY_CALENDAR); break; 648 case 0x191: map_key_clear(KEY_FINANCE); break; 649 case 0x192: map_key_clear(KEY_CALC); break; 650 case 0x194: map_key_clear(KEY_FILE); break; 651 case 0x196: map_key_clear(KEY_WWW); break; 652 case 0x19c: map_key_clear(KEY_LOGOFF); break; 653 case 0x19e: map_key_clear(KEY_COFFEE); break; 654 case 0x1a6: map_key_clear(KEY_HELP); break; 655 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break; 656 case 0x1ab: map_key_clear(KEY_SPELLCHECK); break; 657 case 0x1b6: map_key_clear(KEY_MEDIA); break; 658 case 0x1b7: map_key_clear(KEY_SOUND); break; 659 case 0x1bc: map_key_clear(KEY_MESSENGER); break; 660 case 0x1bd: map_key_clear(KEY_INFO); break; 661 case 0x201: map_key_clear(KEY_NEW); break; 662 case 0x202: map_key_clear(KEY_OPEN); break; 663 case 0x203: map_key_clear(KEY_CLOSE); break; 664 case 0x204: map_key_clear(KEY_EXIT); break; 665 case 0x207: map_key_clear(KEY_SAVE); break; 666 case 0x208: map_key_clear(KEY_PRINT); break; 667 case 0x209: map_key_clear(KEY_PROPS); break; 668 case 0x21a: map_key_clear(KEY_UNDO); break; 669 case 0x21b: map_key_clear(KEY_COPY); break; 670 case 0x21c: map_key_clear(KEY_CUT); break; 671 case 0x21d: map_key_clear(KEY_PASTE); break; 672 case 0x21f: map_key_clear(KEY_FIND); break; 673 case 0x221: map_key_clear(KEY_SEARCH); break; 674 case 0x222: map_key_clear(KEY_GOTO); break; 675 case 0x223: map_key_clear(KEY_HOMEPAGE); break; 676 case 0x224: map_key_clear(KEY_BACK); break; 677 case 0x225: map_key_clear(KEY_FORWARD); break; 678 case 0x226: map_key_clear(KEY_STOP); break; 679 case 0x227: map_key_clear(KEY_REFRESH); break; 680 case 0x22a: map_key_clear(KEY_BOOKMARKS); break; 681 case 0x22d: map_key_clear(KEY_ZOOMIN); break; 682 case 0x22e: map_key_clear(KEY_ZOOMOUT); break; 683 case 0x22f: map_key_clear(KEY_ZOOMRESET); break; 684 case 0x233: map_key_clear(KEY_SCROLLUP); break; 685 case 0x234: map_key_clear(KEY_SCROLLDOWN); break; 686 case 0x238: map_rel(REL_HWHEEL); break; 687 case 0x25f: map_key_clear(KEY_CANCEL); break; 688 case 0x279: map_key_clear(KEY_REDO); break; 689 690 case 0x289: map_key_clear(KEY_REPLY); break; 691 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break; 692 case 0x28c: map_key_clear(KEY_SEND); break; 693 694 default: goto ignore; 695 } 696 break; 697 698 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */ 699 700 set_bit(EV_REP, input->evbit); 701 switch (usage->hid & HID_USAGE) { 702 case 0x021: map_key_clear(KEY_PRINT); break; 703 case 0x070: map_key_clear(KEY_HP); break; 704 case 0x071: map_key_clear(KEY_CAMERA); break; 705 case 0x072: map_key_clear(KEY_SOUND); break; 706 case 0x073: map_key_clear(KEY_QUESTION); break; 707 case 0x080: map_key_clear(KEY_EMAIL); break; 708 case 0x081: map_key_clear(KEY_CHAT); break; 709 case 0x082: map_key_clear(KEY_SEARCH); break; 710 case 0x083: map_key_clear(KEY_CONNECT); break; 711 case 0x084: map_key_clear(KEY_FINANCE); break; 712 case 0x085: map_key_clear(KEY_SPORT); break; 713 case 0x086: map_key_clear(KEY_SHOP); break; 714 default: goto ignore; 715 } 716 break; 717 718 case HID_UP_MSVENDOR: 719 720 goto ignore; 721 722 case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */ 723 724 set_bit(EV_REP, input->evbit); 725 switch(usage->hid & HID_USAGE) { 726 case 0x003: 727 /* The fn key on Apple USB keyboards */ 728 map_key_clear(KEY_FN); 729 hidinput_apple_setup(input); 730 break; 731 732 default: goto ignore; 733 } 734 break; 735 736 case HID_UP_LOGIVENDOR: 737 738 goto ignore; 739 740 case HID_UP_PID: 741 742 switch(usage->hid & HID_USAGE) { 743 case 0xa4: map_key_clear(BTN_DEAD); break; 744 default: goto ignore; 745 } 746 break; 747 748 default: 749 unknown: 750 if (field->report_size == 1) { 751 if (field->report->type == HID_OUTPUT_REPORT) { 752 map_led(LED_MISC); 753 break; 754 } 755 map_key(BTN_MISC); 756 break; 757 } 758 if (field->flags & HID_MAIN_ITEM_RELATIVE) { 759 map_rel(REL_MISC); 760 break; 761 } 762 map_abs(ABS_MISC); 763 break; 764 } 765 766 mapped: 767 if (device->driver->input_mapped && device->driver->input_mapped(device, 768 hidinput, field, usage, &bit, &max) < 0) 769 goto ignore; 770 771 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) { 772 if (usage->hid == HID_GD_Z) 773 map_rel(REL_HWHEEL); 774 else if (usage->code == BTN_1) 775 map_key(BTN_2); 776 else if (usage->code == BTN_2) 777 map_key(BTN_1); 778 } 779 780 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5 | 781 HID_QUIRK_2WHEEL_MOUSE_HACK_B8)) && (usage->type == EV_REL) && 782 (usage->code == REL_WHEEL)) 783 set_bit(REL_HWHEEL, bit); 784 785 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005)) 786 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) 787 goto ignore; 788 789 if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) && 790 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE)) 791 field->flags &= ~HID_MAIN_ITEM_RELATIVE; 792 793 set_bit(usage->type, input->evbit); 794 795 if (device->quirks & HID_QUIRK_DUPLICATE_USAGES && 796 (usage->type == EV_KEY || 797 usage->type == EV_REL || 798 usage->type == EV_ABS)) 799 clear_bit(usage->code, bit); 800 801 while (usage->code <= max && test_and_set_bit(usage->code, bit)) 802 usage->code = find_next_zero_bit(bit, max + 1, usage->code); 803 804 if (usage->code > max) 805 goto ignore; 806 807 808 if (usage->type == EV_ABS) { 809 810 int a = field->logical_minimum; 811 int b = field->logical_maximum; 812 813 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) { 814 a = field->logical_minimum = 0; 815 b = field->logical_maximum = 255; 816 } 817 818 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK) 819 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4); 820 else input_set_abs_params(input, usage->code, a, b, 0, 0); 821 822 } 823 824 if (usage->type == EV_ABS && 825 (usage->hat_min < usage->hat_max || usage->hat_dir)) { 826 int i; 827 for (i = usage->code; i < usage->code + 2 && i <= max; i++) { 828 input_set_abs_params(input, i, -1, 1, 0, 0); 829 set_bit(i, input->absbit); 830 } 831 if (usage->hat_dir && !field->dpad) 832 field->dpad = usage->code; 833 } 834 835 /* for those devices which produce Consumer volume usage as relative, 836 * we emulate pressing volumeup/volumedown appropriate number of times 837 * in hidinput_hid_event() 838 */ 839 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && 840 (usage->code == ABS_VOLUME)) { 841 set_bit(KEY_VOLUMEUP, input->keybit); 842 set_bit(KEY_VOLUMEDOWN, input->keybit); 843 } 844 845 if (usage->type == EV_KEY) { 846 set_bit(EV_MSC, input->evbit); 847 set_bit(MSC_SCAN, input->mscbit); 848 } 849 850 hid_resolv_event(usage->type, usage->code); 851 852 dbg_hid_line("\n"); 853 854 return; 855 856 ignore: 857 dbg_hid_line("IGNORED\n"); 858 return; 859 } 860 861 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) 862 { 863 struct input_dev *input; 864 unsigned *quirks = &hid->quirks; 865 866 if (!field->hidinput) 867 return; 868 869 input = field->hidinput->input; 870 871 if (!usage->type) 872 return; 873 874 /* handle input events for quirky devices */ 875 if (hidinput_event_quirks(hid, field, usage, value)) 876 return; 877 878 if (usage->hat_min < usage->hat_max || usage->hat_dir) { 879 int hat_dir = usage->hat_dir; 880 if (!hat_dir) 881 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1; 882 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0; 883 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x); 884 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y); 885 return; 886 } 887 888 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */ 889 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT); 890 return; 891 } 892 893 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */ 894 if (value) { 895 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1); 896 return; 897 } 898 input_event(input, usage->type, usage->code, 0); 899 input_event(input, usage->type, BTN_TOOL_RUBBER, 0); 900 return; 901 } 902 903 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */ 904 int a = field->logical_minimum; 905 int b = field->logical_maximum; 906 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3)); 907 } 908 909 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */ 910 dbg_hid("Maximum Effects - %d\n",value); 911 return; 912 } 913 914 if (usage->hid == (HID_UP_PID | 0x7fUL)) { 915 dbg_hid("PID Pool Report\n"); 916 return; 917 } 918 919 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */ 920 return; 921 922 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && 923 (usage->code == ABS_VOLUME)) { 924 int count = abs(value); 925 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN; 926 int i; 927 928 for (i = 0; i < count; i++) { 929 input_event(input, EV_KEY, direction, 1); 930 input_sync(input); 931 input_event(input, EV_KEY, direction, 0); 932 input_sync(input); 933 } 934 return; 935 } 936 937 /* report the usage code as scancode if the key status has changed */ 938 if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value) 939 input_event(input, EV_MSC, MSC_SCAN, usage->hid); 940 941 input_event(input, usage->type, usage->code, value); 942 943 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY)) 944 input_event(input, usage->type, usage->code, 0); 945 } 946 947 void hidinput_report_event(struct hid_device *hid, struct hid_report *report) 948 { 949 struct hid_input *hidinput; 950 951 list_for_each_entry(hidinput, &hid->inputs, list) 952 input_sync(hidinput->input); 953 } 954 EXPORT_SYMBOL_GPL(hidinput_report_event); 955 956 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field) 957 { 958 struct hid_report *report; 959 int i, j; 960 961 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) { 962 for (i = 0; i < report->maxfield; i++) { 963 *field = report->field[i]; 964 for (j = 0; j < (*field)->maxusage; j++) 965 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code) 966 return j; 967 } 968 } 969 return -1; 970 } 971 EXPORT_SYMBOL_GPL(hidinput_find_field); 972 973 static int hidinput_open(struct input_dev *dev) 974 { 975 struct hid_device *hid = input_get_drvdata(dev); 976 977 return hid->ll_driver->open(hid); 978 } 979 980 static void hidinput_close(struct input_dev *dev) 981 { 982 struct hid_device *hid = input_get_drvdata(dev); 983 984 hid->ll_driver->close(hid); 985 } 986 987 /* 988 * Register the input device; print a message. 989 * Configure the input layer interface 990 * Read all reports and initialize the absolute field values. 991 */ 992 993 int hidinput_connect(struct hid_device *hid) 994 { 995 struct hid_report *report; 996 struct hid_input *hidinput = NULL; 997 struct input_dev *input_dev; 998 int i, j, k; 999 int max_report_type = HID_OUTPUT_REPORT; 1000 1001 if (hid->quirks & HID_QUIRK_IGNORE_HIDINPUT) 1002 return -1; 1003 1004 INIT_LIST_HEAD(&hid->inputs); 1005 1006 for (i = 0; i < hid->maxcollection; i++) 1007 if (hid->collection[i].type == HID_COLLECTION_APPLICATION || 1008 hid->collection[i].type == HID_COLLECTION_PHYSICAL) 1009 if (IS_INPUT_APPLICATION(hid->collection[i].usage)) 1010 break; 1011 1012 if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0) 1013 return -1; 1014 1015 if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) 1016 max_report_type = HID_INPUT_REPORT; 1017 1018 for (k = HID_INPUT_REPORT; k <= max_report_type; k++) 1019 list_for_each_entry(report, &hid->report_enum[k].report_list, list) { 1020 1021 if (!report->maxfield) 1022 continue; 1023 1024 if (!hidinput) { 1025 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL); 1026 input_dev = input_allocate_device(); 1027 if (!hidinput || !input_dev) { 1028 kfree(hidinput); 1029 input_free_device(input_dev); 1030 err_hid("Out of memory during hid input probe"); 1031 goto out_unwind; 1032 } 1033 1034 input_set_drvdata(input_dev, hid); 1035 input_dev->event = 1036 hid->ll_driver->hidinput_input_event; 1037 input_dev->open = hidinput_open; 1038 input_dev->close = hidinput_close; 1039 input_dev->setkeycode = hidinput_setkeycode; 1040 input_dev->getkeycode = hidinput_getkeycode; 1041 1042 input_dev->name = hid->name; 1043 input_dev->phys = hid->phys; 1044 input_dev->uniq = hid->uniq; 1045 input_dev->id.bustype = hid->bus; 1046 input_dev->id.vendor = hid->vendor; 1047 input_dev->id.product = hid->product; 1048 input_dev->id.version = hid->version; 1049 input_dev->dev.parent = hid->dev.parent; 1050 hidinput->input = input_dev; 1051 list_add_tail(&hidinput->list, &hid->inputs); 1052 } 1053 1054 for (i = 0; i < report->maxfield; i++) 1055 for (j = 0; j < report->field[i]->maxusage; j++) 1056 hidinput_configure_usage(hidinput, report->field[i], 1057 report->field[i]->usage + j); 1058 1059 if (hid->quirks & HID_QUIRK_MULTI_INPUT) { 1060 /* This will leave hidinput NULL, so that it 1061 * allocates another one if we have more inputs on 1062 * the same interface. Some devices (e.g. Happ's 1063 * UGCI) cram a lot of unrelated inputs into the 1064 * same interface. */ 1065 hidinput->report = report; 1066 if (input_register_device(hidinput->input)) 1067 goto out_cleanup; 1068 hidinput = NULL; 1069 } 1070 } 1071 1072 if (hidinput && input_register_device(hidinput->input)) 1073 goto out_cleanup; 1074 1075 return 0; 1076 1077 out_cleanup: 1078 input_free_device(hidinput->input); 1079 kfree(hidinput); 1080 out_unwind: 1081 /* unwind the ones we already registered */ 1082 hidinput_disconnect(hid); 1083 1084 return -1; 1085 } 1086 EXPORT_SYMBOL_GPL(hidinput_connect); 1087 1088 void hidinput_disconnect(struct hid_device *hid) 1089 { 1090 struct hid_input *hidinput, *next; 1091 1092 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { 1093 list_del(&hidinput->list); 1094 input_unregister_device(hidinput->input); 1095 kfree(hidinput); 1096 } 1097 } 1098 EXPORT_SYMBOL_GPL(hidinput_disconnect); 1099 1100