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 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 #include <linux/usb/input.h> 34 35 #undef DEBUG 36 37 #include <linux/hid.h> 38 39 #define unk KEY_UNKNOWN 40 41 static const unsigned char hid_keyboard[256] = { 42 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, 43 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3, 44 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26, 45 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64, 46 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106, 47 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71, 48 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190, 49 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113, 50 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk, 51 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, 52 unk,unk,unk,unk,unk,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,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 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113, 57 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk 58 }; 59 60 static const struct { 61 __s32 x; 62 __s32 y; 63 } hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}}; 64 65 #define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0) 66 #define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0) 67 #define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0) 68 #define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0) 69 70 #define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0) 71 #define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0) 72 73 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK 74 75 struct hidinput_key_translation { 76 u16 from; 77 u16 to; 78 u8 flags; 79 }; 80 81 #define POWERBOOK_FLAG_FKEY 0x01 82 83 static struct hidinput_key_translation powerbook_fn_keys[] = { 84 { KEY_BACKSPACE, KEY_DELETE }, 85 { KEY_F1, KEY_BRIGHTNESSDOWN, POWERBOOK_FLAG_FKEY }, 86 { KEY_F2, KEY_BRIGHTNESSUP, POWERBOOK_FLAG_FKEY }, 87 { KEY_F3, KEY_MUTE, POWERBOOK_FLAG_FKEY }, 88 { KEY_F4, KEY_VOLUMEDOWN, POWERBOOK_FLAG_FKEY }, 89 { KEY_F5, KEY_VOLUMEUP, POWERBOOK_FLAG_FKEY }, 90 { KEY_F6, KEY_NUMLOCK, POWERBOOK_FLAG_FKEY }, 91 { KEY_F7, KEY_SWITCHVIDEOMODE, POWERBOOK_FLAG_FKEY }, 92 { KEY_F8, KEY_KBDILLUMTOGGLE, POWERBOOK_FLAG_FKEY }, 93 { KEY_F9, KEY_KBDILLUMDOWN, POWERBOOK_FLAG_FKEY }, 94 { KEY_F10, KEY_KBDILLUMUP, POWERBOOK_FLAG_FKEY }, 95 { KEY_UP, KEY_PAGEUP }, 96 { KEY_DOWN, KEY_PAGEDOWN }, 97 { KEY_LEFT, KEY_HOME }, 98 { KEY_RIGHT, KEY_END }, 99 { } 100 }; 101 102 static struct hidinput_key_translation powerbook_numlock_keys[] = { 103 { KEY_J, KEY_KP1 }, 104 { KEY_K, KEY_KP2 }, 105 { KEY_L, KEY_KP3 }, 106 { KEY_U, KEY_KP4 }, 107 { KEY_I, KEY_KP5 }, 108 { KEY_O, KEY_KP6 }, 109 { KEY_7, KEY_KP7 }, 110 { KEY_8, KEY_KP8 }, 111 { KEY_9, KEY_KP9 }, 112 { KEY_M, KEY_KP0 }, 113 { KEY_DOT, KEY_KPDOT }, 114 { KEY_SLASH, KEY_KPPLUS }, 115 { KEY_SEMICOLON, KEY_KPMINUS }, 116 { KEY_P, KEY_KPASTERISK }, 117 { KEY_MINUS, KEY_KPEQUAL }, 118 { KEY_0, KEY_KPSLASH }, 119 { KEY_F6, KEY_NUMLOCK }, 120 { KEY_KPENTER, KEY_KPENTER }, 121 { KEY_BACKSPACE, KEY_BACKSPACE }, 122 { } 123 }; 124 125 static struct hidinput_key_translation powerbook_iso_keyboard[] = { 126 { KEY_GRAVE, KEY_102ND }, 127 { KEY_102ND, KEY_GRAVE }, 128 { } 129 }; 130 131 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from) 132 { 133 struct hidinput_key_translation *trans; 134 135 /* Look for the translation */ 136 for (trans = table; trans->from; trans++) 137 if (trans->from == from) 138 return trans; 139 140 return NULL; 141 } 142 143 static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input, 144 struct hid_usage *usage, __s32 value) 145 { 146 struct hidinput_key_translation *trans; 147 148 if (usage->code == KEY_FN) { 149 if (value) hid->quirks |= HID_QUIRK_POWERBOOK_FN_ON; 150 else hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON; 151 152 input_event(input, usage->type, usage->code, value); 153 154 return 1; 155 } 156 157 if (hid->pb_fnmode) { 158 int do_translate; 159 160 trans = find_translation(powerbook_fn_keys, usage->code); 161 if (trans) { 162 if (test_bit(usage->code, hid->pb_pressed_fn)) 163 do_translate = 1; 164 else if (trans->flags & POWERBOOK_FLAG_FKEY) 165 do_translate = 166 (hid->pb_fnmode == 2 && (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) || 167 (hid->pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)); 168 else 169 do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON); 170 171 if (do_translate) { 172 if (value) 173 set_bit(usage->code, hid->pb_pressed_fn); 174 else 175 clear_bit(usage->code, hid->pb_pressed_fn); 176 177 input_event(input, usage->type, trans->to, value); 178 179 return 1; 180 } 181 } 182 183 if (test_bit(usage->code, hid->pb_pressed_numlock) || 184 test_bit(LED_NUML, input->led)) { 185 trans = find_translation(powerbook_numlock_keys, usage->code); 186 187 if (trans) { 188 if (value) 189 set_bit(usage->code, hid->pb_pressed_numlock); 190 else 191 clear_bit(usage->code, hid->pb_pressed_numlock); 192 193 input_event(input, usage->type, trans->to, value); 194 } 195 196 return 1; 197 } 198 } 199 200 if (hid->quirks & HID_QUIRK_POWERBOOK_ISO_KEYBOARD) { 201 trans = find_translation(powerbook_iso_keyboard, usage->code); 202 if (trans) { 203 input_event(input, usage->type, trans->to, value); 204 return 1; 205 } 206 } 207 208 return 0; 209 } 210 211 static void hidinput_pb_setup(struct input_dev *input) 212 { 213 struct hidinput_key_translation *trans; 214 215 set_bit(KEY_NUMLOCK, input->keybit); 216 217 /* Enable all needed keys */ 218 for (trans = powerbook_fn_keys; trans->from; trans++) 219 set_bit(trans->to, input->keybit); 220 221 for (trans = powerbook_numlock_keys; trans->from; trans++) 222 set_bit(trans->to, input->keybit); 223 224 for (trans = powerbook_iso_keyboard; trans->from; trans++) 225 set_bit(trans->to, input->keybit); 226 227 } 228 #else 229 static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input, 230 struct hid_usage *usage, __s32 value) 231 { 232 return 0; 233 } 234 235 static inline void hidinput_pb_setup(struct input_dev *input) 236 { 237 } 238 #endif 239 240 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field, 241 struct hid_usage *usage) 242 { 243 struct input_dev *input = hidinput->input; 244 struct hid_device *device = input->private; 245 int max = 0, code; 246 unsigned long *bit = NULL; 247 248 field->hidinput = hidinput; 249 250 #ifdef DEBUG 251 printk(KERN_DEBUG "Mapping: "); 252 resolv_usage(usage->hid); 253 printk(" ---> "); 254 #endif 255 256 if (field->flags & HID_MAIN_ITEM_CONSTANT) 257 goto ignore; 258 259 switch (usage->hid & HID_USAGE_PAGE) { 260 261 case HID_UP_UNDEFINED: 262 goto ignore; 263 264 case HID_UP_KEYBOARD: 265 266 set_bit(EV_REP, input->evbit); 267 268 if ((usage->hid & HID_USAGE) < 256) { 269 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore; 270 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]); 271 } else 272 map_key(KEY_UNKNOWN); 273 274 break; 275 276 case HID_UP_BUTTON: 277 278 code = ((usage->hid - 1) & 0xf); 279 280 switch (field->application) { 281 case HID_GD_MOUSE: 282 case HID_GD_POINTER: code += 0x110; break; 283 case HID_GD_JOYSTICK: code += 0x120; break; 284 case HID_GD_GAMEPAD: code += 0x130; break; 285 default: 286 switch (field->physical) { 287 case HID_GD_MOUSE: 288 case HID_GD_POINTER: code += 0x110; break; 289 case HID_GD_JOYSTICK: code += 0x120; break; 290 case HID_GD_GAMEPAD: code += 0x130; break; 291 default: code += 0x100; 292 } 293 } 294 295 map_key(code); 296 break; 297 298 299 case HID_UP_SIMULATION: 300 301 switch (usage->hid & 0xffff) { 302 case 0xba: map_abs(ABS_RUDDER); break; 303 case 0xbb: map_abs(ABS_THROTTLE); break; 304 case 0xc4: map_abs(ABS_GAS); break; 305 case 0xc5: map_abs(ABS_BRAKE); break; 306 case 0xc8: map_abs(ABS_WHEEL); break; 307 default: goto ignore; 308 } 309 break; 310 311 case HID_UP_GENDESK: 312 313 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ 314 switch (usage->hid & 0xf) { 315 case 0x1: map_key_clear(KEY_POWER); break; 316 case 0x2: map_key_clear(KEY_SLEEP); break; 317 case 0x3: map_key_clear(KEY_WAKEUP); break; 318 default: goto unknown; 319 } 320 break; 321 } 322 323 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */ 324 switch (usage->hid) { 325 case HID_GD_UP: usage->hat_dir = 1; break; 326 case HID_GD_DOWN: usage->hat_dir = 5; break; 327 case HID_GD_RIGHT: usage->hat_dir = 3; break; 328 case HID_GD_LEFT: usage->hat_dir = 7; break; 329 default: goto unknown; 330 } 331 if (field->dpad) { 332 map_abs(field->dpad); 333 goto ignore; 334 } 335 map_abs(ABS_HAT0X); 336 break; 337 } 338 339 switch (usage->hid) { 340 341 /* These usage IDs map directly to the usage codes. */ 342 case HID_GD_X: case HID_GD_Y: case HID_GD_Z: 343 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ: 344 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL: 345 if (field->flags & HID_MAIN_ITEM_RELATIVE) 346 map_rel(usage->hid & 0xf); 347 else 348 map_abs(usage->hid & 0xf); 349 break; 350 351 case HID_GD_HATSWITCH: 352 usage->hat_min = field->logical_minimum; 353 usage->hat_max = field->logical_maximum; 354 map_abs(ABS_HAT0X); 355 break; 356 357 case HID_GD_START: map_key_clear(BTN_START); break; 358 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break; 359 360 default: goto unknown; 361 } 362 363 break; 364 365 case HID_UP_LED: 366 if (((usage->hid - 1) & 0xffff) >= LED_MAX) 367 goto ignore; 368 map_led((usage->hid - 1) & 0xffff); 369 break; 370 371 case HID_UP_DIGITIZER: 372 373 switch (usage->hid & 0xff) { 374 375 case 0x30: /* TipPressure */ 376 if (!test_bit(BTN_TOUCH, input->keybit)) { 377 device->quirks |= HID_QUIRK_NOTOUCH; 378 set_bit(EV_KEY, input->evbit); 379 set_bit(BTN_TOUCH, input->keybit); 380 } 381 382 map_abs_clear(ABS_PRESSURE); 383 break; 384 385 case 0x32: /* InRange */ 386 switch (field->physical & 0xff) { 387 case 0x21: map_key(BTN_TOOL_MOUSE); break; 388 case 0x22: map_key(BTN_TOOL_FINGER); break; 389 default: map_key(BTN_TOOL_PEN); break; 390 } 391 break; 392 393 case 0x3c: /* Invert */ 394 map_key_clear(BTN_TOOL_RUBBER); 395 break; 396 397 case 0x33: /* Touch */ 398 case 0x42: /* TipSwitch */ 399 case 0x43: /* TipSwitch2 */ 400 device->quirks &= ~HID_QUIRK_NOTOUCH; 401 map_key_clear(BTN_TOUCH); 402 break; 403 404 case 0x44: /* BarrelSwitch */ 405 map_key_clear(BTN_STYLUS); 406 break; 407 408 default: goto unknown; 409 } 410 break; 411 412 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */ 413 414 switch (usage->hid & HID_USAGE) { 415 case 0x000: goto ignore; 416 case 0x034: map_key_clear(KEY_SLEEP); break; 417 case 0x036: map_key_clear(BTN_MISC); break; 418 case 0x045: map_key_clear(KEY_RADIO); break; 419 case 0x08a: map_key_clear(KEY_WWW); break; 420 case 0x08d: map_key_clear(KEY_PROGRAM); break; 421 case 0x095: map_key_clear(KEY_HELP); break; 422 case 0x09c: map_key_clear(KEY_CHANNELUP); break; 423 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break; 424 case 0x0b0: map_key_clear(KEY_PLAY); break; 425 case 0x0b1: map_key_clear(KEY_PAUSE); break; 426 case 0x0b2: map_key_clear(KEY_RECORD); break; 427 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break; 428 case 0x0b4: map_key_clear(KEY_REWIND); break; 429 case 0x0b5: map_key_clear(KEY_NEXTSONG); break; 430 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break; 431 case 0x0b7: map_key_clear(KEY_STOPCD); break; 432 case 0x0b8: map_key_clear(KEY_EJECTCD); break; 433 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break; 434 case 0x0e0: map_abs_clear(ABS_VOLUME); break; 435 case 0x0e2: map_key_clear(KEY_MUTE); break; 436 case 0x0e5: map_key_clear(KEY_BASSBOOST); break; 437 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break; 438 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break; 439 case 0x183: map_key_clear(KEY_CONFIG); break; 440 case 0x18a: map_key_clear(KEY_MAIL); break; 441 case 0x192: map_key_clear(KEY_CALC); break; 442 case 0x194: map_key_clear(KEY_FILE); break; 443 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break; 444 case 0x201: map_key_clear(KEY_NEW); break; 445 case 0x207: map_key_clear(KEY_SAVE); break; 446 case 0x208: map_key_clear(KEY_PRINT); break; 447 case 0x209: map_key_clear(KEY_PROPS); break; 448 case 0x21a: map_key_clear(KEY_UNDO); break; 449 case 0x21b: map_key_clear(KEY_COPY); break; 450 case 0x21c: map_key_clear(KEY_CUT); break; 451 case 0x21d: map_key_clear(KEY_PASTE); break; 452 case 0x221: map_key_clear(KEY_FIND); break; 453 case 0x223: map_key_clear(KEY_HOMEPAGE); break; 454 case 0x224: map_key_clear(KEY_BACK); break; 455 case 0x225: map_key_clear(KEY_FORWARD); break; 456 case 0x226: map_key_clear(KEY_STOP); break; 457 case 0x227: map_key_clear(KEY_REFRESH); break; 458 case 0x22a: map_key_clear(KEY_BOOKMARKS); break; 459 case 0x233: map_key_clear(KEY_SCROLLUP); break; 460 case 0x234: map_key_clear(KEY_SCROLLDOWN); break; 461 case 0x238: map_rel(REL_HWHEEL); break; 462 case 0x279: map_key_clear(KEY_REDO); break; 463 case 0x289: map_key_clear(KEY_REPLY); break; 464 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break; 465 case 0x28c: map_key_clear(KEY_SEND); break; 466 467 /* Reported on a Cherry Cymotion keyboard */ 468 case 0x301: map_key_clear(KEY_PROG1); break; 469 case 0x302: map_key_clear(KEY_PROG2); break; 470 case 0x303: map_key_clear(KEY_PROG3); break; 471 472 default: goto ignore; 473 } 474 break; 475 476 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */ 477 478 set_bit(EV_REP, input->evbit); 479 switch (usage->hid & HID_USAGE) { 480 case 0x021: map_key_clear(KEY_PRINT); break; 481 case 0x070: map_key_clear(KEY_HP); break; 482 case 0x071: map_key_clear(KEY_CAMERA); break; 483 case 0x072: map_key_clear(KEY_SOUND); break; 484 case 0x073: map_key_clear(KEY_QUESTION); break; 485 case 0x080: map_key_clear(KEY_EMAIL); break; 486 case 0x081: map_key_clear(KEY_CHAT); break; 487 case 0x082: map_key_clear(KEY_SEARCH); break; 488 case 0x083: map_key_clear(KEY_CONNECT); break; 489 case 0x084: map_key_clear(KEY_FINANCE); break; 490 case 0x085: map_key_clear(KEY_SPORT); break; 491 case 0x086: map_key_clear(KEY_SHOP); break; 492 default: goto ignore; 493 } 494 break; 495 496 case HID_UP_MSVENDOR: 497 goto ignore; 498 499 case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */ 500 501 set_bit(EV_REP, input->evbit); 502 switch(usage->hid & HID_USAGE) { 503 case 0x003: 504 /* The fn key on Apple PowerBooks */ 505 map_key_clear(KEY_FN); 506 hidinput_pb_setup(input); 507 break; 508 509 default: goto ignore; 510 } 511 break; 512 513 case HID_UP_LOGIVENDOR: /* Reported on Logitech Ultra X Media Remote */ 514 515 set_bit(EV_REP, input->evbit); 516 switch(usage->hid & HID_USAGE) { 517 case 0x004: map_key_clear(KEY_AGAIN); break; 518 case 0x00d: map_key_clear(KEY_HOME); break; 519 case 0x024: map_key_clear(KEY_SHUFFLE); break; 520 case 0x025: map_key_clear(KEY_TV); break; 521 case 0x026: map_key_clear(KEY_MENU); break; 522 case 0x031: map_key_clear(KEY_AUDIO); break; 523 case 0x032: map_key_clear(KEY_TEXT); break; 524 case 0x033: map_key_clear(KEY_LAST); break; 525 case 0x047: map_key_clear(KEY_MP3); break; 526 case 0x048: map_key_clear(KEY_DVD); break; 527 case 0x049: map_key_clear(KEY_MEDIA); break; 528 case 0x04a: map_key_clear(KEY_VIDEO); break; 529 case 0x04b: map_key_clear(KEY_ANGLE); break; 530 case 0x04c: map_key_clear(KEY_LANGUAGE); break; 531 case 0x04d: map_key_clear(KEY_SUBTITLE); break; 532 case 0x051: map_key_clear(KEY_RED); break; 533 case 0x052: map_key_clear(KEY_CLOSE); break; 534 default: goto ignore; 535 } 536 break; 537 538 case HID_UP_PID: 539 540 switch(usage->hid & HID_USAGE) { 541 case 0xa4: map_key_clear(BTN_DEAD); break; 542 default: goto ignore; 543 } 544 break; 545 546 default: 547 unknown: 548 if (field->report_size == 1) { 549 if (field->report->type == HID_OUTPUT_REPORT) { 550 map_led(LED_MISC); 551 break; 552 } 553 map_key(BTN_MISC); 554 break; 555 } 556 if (field->flags & HID_MAIN_ITEM_RELATIVE) { 557 map_rel(REL_MISC); 558 break; 559 } 560 map_abs(ABS_MISC); 561 break; 562 } 563 564 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) { 565 if (usage->hid == HID_GD_Z) 566 map_rel(REL_HWHEEL); 567 else if (usage->code == BTN_1) 568 map_key(BTN_2); 569 else if (usage->code == BTN_2) 570 map_key(BTN_1); 571 } 572 573 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) && 574 (usage->type == EV_REL) && (usage->code == REL_WHEEL)) 575 set_bit(REL_HWHEEL, bit); 576 577 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005)) 578 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) 579 goto ignore; 580 581 if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) && 582 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE)) 583 field->flags &= ~HID_MAIN_ITEM_RELATIVE; 584 585 set_bit(usage->type, input->evbit); 586 587 while (usage->code <= max && test_and_set_bit(usage->code, bit)) 588 usage->code = find_next_zero_bit(bit, max + 1, usage->code); 589 590 if (usage->code > max) 591 goto ignore; 592 593 594 if (usage->type == EV_ABS) { 595 596 int a = field->logical_minimum; 597 int b = field->logical_maximum; 598 599 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) { 600 a = field->logical_minimum = 0; 601 b = field->logical_maximum = 255; 602 } 603 604 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK) 605 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4); 606 else input_set_abs_params(input, usage->code, a, b, 0, 0); 607 608 } 609 610 if (usage->type == EV_ABS && 611 (usage->hat_min < usage->hat_max || usage->hat_dir)) { 612 int i; 613 for (i = usage->code; i < usage->code + 2 && i <= max; i++) { 614 input_set_abs_params(input, i, -1, 1, 0, 0); 615 set_bit(i, input->absbit); 616 } 617 if (usage->hat_dir && !field->dpad) 618 field->dpad = usage->code; 619 } 620 621 #ifdef DEBUG 622 resolv_event(usage->type, usage->code); 623 printk("\n"); 624 #endif 625 return; 626 627 ignore: 628 #ifdef DEBUG 629 printk("IGNORED\n"); 630 #endif 631 return; 632 } 633 634 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) 635 { 636 struct input_dev *input; 637 int *quirks = &hid->quirks; 638 639 if (!field->hidinput) 640 return; 641 642 input = field->hidinput->input; 643 644 if (!usage->type) 645 return; 646 647 if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005)) 648 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) { 649 if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON; 650 else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON; 651 return; 652 } 653 654 if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) { 655 input_event(input, usage->type, usage->code, -value); 656 return; 657 } 658 659 if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) { 660 input_event(input, usage->type, REL_HWHEEL, value); 661 return; 662 } 663 664 if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value)) 665 return; 666 667 if (usage->hat_min < usage->hat_max || usage->hat_dir) { 668 int hat_dir = usage->hat_dir; 669 if (!hat_dir) 670 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1; 671 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0; 672 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x); 673 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y); 674 return; 675 } 676 677 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */ 678 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT); 679 return; 680 } 681 682 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */ 683 if (value) { 684 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1); 685 return; 686 } 687 input_event(input, usage->type, usage->code, 0); 688 input_event(input, usage->type, BTN_TOOL_RUBBER, 0); 689 return; 690 } 691 692 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */ 693 int a = field->logical_minimum; 694 int b = field->logical_maximum; 695 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3)); 696 } 697 698 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */ 699 dbg("Maximum Effects - %d",value); 700 return; 701 } 702 703 if (usage->hid == (HID_UP_PID | 0x7fUL)) { 704 dbg("PID Pool Report\n"); 705 return; 706 } 707 708 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */ 709 return; 710 711 input_event(input, usage->type, usage->code, value); 712 713 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY)) 714 input_event(input, usage->type, usage->code, 0); 715 } 716 717 void hidinput_report_event(struct hid_device *hid, struct hid_report *report) 718 { 719 struct hid_input *hidinput; 720 721 list_for_each_entry(hidinput, &hid->inputs, list) 722 input_sync(hidinput->input); 723 } 724 EXPORT_SYMBOL_GPL(hidinput_report_event); 725 726 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field) 727 { 728 struct hid_report *report; 729 int i, j; 730 731 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) { 732 for (i = 0; i < report->maxfield; i++) { 733 *field = report->field[i]; 734 for (j = 0; j < (*field)->maxusage; j++) 735 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code) 736 return j; 737 } 738 } 739 return -1; 740 } 741 EXPORT_SYMBOL_GPL(hidinput_find_field); 742 743 /* 744 * Register the input device; print a message. 745 * Configure the input layer interface 746 * Read all reports and initialize the absolute field values. 747 */ 748 749 int hidinput_connect(struct hid_device *hid) 750 { 751 struct hid_report *report; 752 struct hid_input *hidinput = NULL; 753 struct input_dev *input_dev; 754 int i, j, k; 755 756 INIT_LIST_HEAD(&hid->inputs); 757 758 for (i = 0; i < hid->maxcollection; i++) 759 if (hid->collection[i].type == HID_COLLECTION_APPLICATION || 760 hid->collection[i].type == HID_COLLECTION_PHYSICAL) 761 if (IS_INPUT_APPLICATION(hid->collection[i].usage)) 762 break; 763 764 if (i == hid->maxcollection) 765 return -1; 766 767 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) 768 list_for_each_entry(report, &hid->report_enum[k].report_list, list) { 769 770 if (!report->maxfield) 771 continue; 772 773 if (!hidinput) { 774 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL); 775 input_dev = input_allocate_device(); 776 if (!hidinput || !input_dev) { 777 kfree(hidinput); 778 input_free_device(input_dev); 779 err("Out of memory during hid input probe"); 780 return -1; 781 } 782 783 input_dev->private = hid; 784 input_dev->event = hid->hidinput_input_event; 785 input_dev->open = hid->hidinput_open; 786 input_dev->close = hid->hidinput_close; 787 788 input_dev->name = hid->name; 789 input_dev->phys = hid->phys; 790 input_dev->uniq = hid->uniq; 791 input_dev->id.bustype = hid->bus; 792 input_dev->id.vendor = hid->vendor; 793 input_dev->id.product = hid->product; 794 input_dev->id.version = hid->version; 795 input_dev->cdev.dev = hid->dev; 796 hidinput->input = input_dev; 797 list_add_tail(&hidinput->list, &hid->inputs); 798 } 799 800 for (i = 0; i < report->maxfield; i++) 801 for (j = 0; j < report->field[i]->maxusage; j++) 802 hidinput_configure_usage(hidinput, report->field[i], 803 report->field[i]->usage + j); 804 805 if (hid->quirks & HID_QUIRK_MULTI_INPUT) { 806 /* This will leave hidinput NULL, so that it 807 * allocates another one if we have more inputs on 808 * the same interface. Some devices (e.g. Happ's 809 * UGCI) cram a lot of unrelated inputs into the 810 * same interface. */ 811 hidinput->report = report; 812 input_register_device(hidinput->input); 813 hidinput = NULL; 814 } 815 } 816 817 if (hidinput) 818 input_register_device(hidinput->input); 819 820 return 0; 821 } 822 EXPORT_SYMBOL_GPL(hidinput_connect); 823 824 void hidinput_disconnect(struct hid_device *hid) 825 { 826 struct hid_input *hidinput, *next; 827 828 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { 829 list_del(&hidinput->list); 830 input_unregister_device(hidinput->input); 831 kfree(hidinput); 832 } 833 } 834 EXPORT_SYMBOL_GPL(hidinput_disconnect); 835 836