drivers/hid/hid-input.c

   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
  34 #include <linux/hid.h>
  35 #include <linux/hid-debug.h>
  36
  37 static int hid_pb_fnmode = 1;
  38 module_param_named(pb_fnmode, hid_pb_fnmode, int, 0644);
  39 MODULE_PARM_DESC(pb_fnmode,
  40                 "Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
  41
  42 #define unk     KEY_UNKNOWN
  43
  44 static const unsigned char hid_keyboard[256] = {
  45           0,  0,  0,  0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
  46          50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44,  2,  3,
  47           4,  5,  6,  7,  8,  9, 10, 11, 28,  1, 14, 15, 57, 12, 13, 26,
  48          27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
  49          65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
  50         105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
  51          72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
  52         191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
  53         115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
  54         122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
  55         unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
  56         unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
  57         unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
  58         unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
  59          29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
  60         150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
  61 };
  62
  63 static const struct {
  64         __s32 x;
  65         __s32 y;
  66 }  hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
  67
  68 #define map_abs(c)      do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
  69 #define map_rel(c)      do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
  70 #define map_key(c)      do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
  71 #define map_led(c)      do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
  72
  73 #define map_abs_clear(c)        do { map_abs(c); clear_bit(c, bit); } while (0)
  74 #define map_rel_clear(c)        do { map_rel(c); clear_bit(c, bit); } while (0)
  75 #define map_key_clear(c)        do { map_key(c); clear_bit(c, bit); } while (0)
  76
  77 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK
  78
  79 struct hidinput_key_translation {
  80         u16 from;
  81         u16 to;
  82         u8 flags;
  83 };
  84
  85 #define POWERBOOK_FLAG_FKEY 0x01
  86
  87 static struct hidinput_key_translation powerbook_fn_keys[] = {
  88         { KEY_BACKSPACE, KEY_DELETE },
  89         { KEY_F1,       KEY_BRIGHTNESSDOWN,     POWERBOOK_FLAG_FKEY },
  90         { KEY_F2,       KEY_BRIGHTNESSUP,       POWERBOOK_FLAG_FKEY },
  91         { KEY_F3,       KEY_MUTE,               POWERBOOK_FLAG_FKEY },
  92         { KEY_F4,       KEY_VOLUMEDOWN,         POWERBOOK_FLAG_FKEY },
  93         { KEY_F5,       KEY_VOLUMEUP,           POWERBOOK_FLAG_FKEY },
  94         { KEY_F6,       KEY_NUMLOCK,            POWERBOOK_FLAG_FKEY },
  95         { KEY_F7,       KEY_SWITCHVIDEOMODE,    POWERBOOK_FLAG_FKEY },
  96         { KEY_F8,       KEY_KBDILLUMTOGGLE,     POWERBOOK_FLAG_FKEY },
  97         { KEY_F9,       KEY_KBDILLUMDOWN,       POWERBOOK_FLAG_FKEY },
  98         { KEY_F10,      KEY_KBDILLUMUP,         POWERBOOK_FLAG_FKEY },
  99         { KEY_UP,       KEY_PAGEUP },
 100         { KEY_DOWN,     KEY_PAGEDOWN },
 101         { KEY_LEFT,     KEY_HOME },
 102         { KEY_RIGHT,    KEY_END },
 103         { }
 104 };
 105
 106 static struct hidinput_key_translation powerbook_numlock_keys[] = {
 107         { KEY_J,        KEY_KP1 },
 108         { KEY_K,        KEY_KP2 },
 109         { KEY_L,        KEY_KP3 },
 110         { KEY_U,        KEY_KP4 },
 111         { KEY_I,        KEY_KP5 },
 112         { KEY_O,        KEY_KP6 },
 113         { KEY_7,        KEY_KP7 },
 114         { KEY_8,        KEY_KP8 },
 115         { KEY_9,        KEY_KP9 },
 116         { KEY_M,        KEY_KP0 },
 117         { KEY_DOT,      KEY_KPDOT },
 118         { KEY_SLASH,    KEY_KPPLUS },
 119         { KEY_SEMICOLON, KEY_KPMINUS },
 120         { KEY_P,        KEY_KPASTERISK },
 121         { KEY_MINUS,    KEY_KPEQUAL },
 122         { KEY_0,        KEY_KPSLASH },
 123         { KEY_F6,       KEY_NUMLOCK },
 124         { KEY_KPENTER,  KEY_KPENTER },
 125         { KEY_BACKSPACE, KEY_BACKSPACE },
 126         { }
 127 };
 128
 129 static struct hidinput_key_translation powerbook_iso_keyboard[] = {
 130         { KEY_GRAVE,    KEY_102ND },
 131         { KEY_102ND,    KEY_GRAVE },
 132         { }
 133 };
 134
 135 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
 136 {
 137         struct hidinput_key_translation *trans;
 138
 139         /* Look for the translation */
 140         for (trans = table; trans->from; trans++)
 141                 if (trans->from == from)
 142                         return trans;
 143
 144         return NULL;
 145 }
 146
 147 static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
 148                 struct hid_usage *usage, __s32 value)
 149 {
 150         struct hidinput_key_translation *trans;
 151
 152         if (usage->code == KEY_FN) {
 153                 if (value) hid->quirks |=  HID_QUIRK_POWERBOOK_FN_ON;
 154                 else       hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON;
 155
 156                 input_event(input, usage->type, usage->code, value);
 157
 158                 return 1;
 159         }
 160
 161         if (hid_pb_fnmode) {
 162                 int do_translate;
 163
 164                 trans = find_translation(powerbook_fn_keys, usage->code);
 165                 if (trans) {
 166                         if (test_bit(usage->code, hid->pb_pressed_fn))
 167                                 do_translate = 1;
 168                         else if (trans->flags & POWERBOOK_FLAG_FKEY)
 169                                 do_translate =
 170                                         (hid_pb_fnmode == 2 &&  (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) ||
 171                                         (hid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON));
 172                         else
 173                                 do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON);
 174
 175                         if (do_translate) {
 176                                 if (value)
 177                                         set_bit(usage->code, hid->pb_pressed_fn);
 178                                 else
 179                                         clear_bit(usage->code, hid->pb_pressed_fn);
 180
 181                                 input_event(input, usage->type, trans->to, value);
 182
 183                                 return 1;
 184                         }
 185                 }
 186
 187                 if (test_bit(usage->code, hid->pb_pressed_numlock) ||
 188                                 test_bit(LED_NUML, input->led)) {
 189                         trans = find_translation(powerbook_numlock_keys, usage->code);
 190
 191                         if (trans) {
 192                                 if (value)
 193                                         set_bit(usage->code, hid->pb_pressed_numlock);
 194                                 else
 195                                         clear_bit(usage->code, hid->pb_pressed_numlock);
 196
 197                                 input_event(input, usage->type, trans->to, value);
 198                         }
 199
 200                         return 1;
 201                 }
 202         }
 203
 204         if (hid->quirks & HID_QUIRK_POWERBOOK_ISO_KEYBOARD) {
 205                 trans = find_translation(powerbook_iso_keyboard, usage->code);
 206                 if (trans) {
 207                         input_event(input, usage->type, trans->to, value);
 208                         return 1;
 209                 }
 210         }
 211
 212         return 0;
 213 }
 214
 215 static void hidinput_pb_setup(struct input_dev *input)
 216 {
 217         struct hidinput_key_translation *trans;
 218
 219         set_bit(KEY_NUMLOCK, input->keybit);
 220
 221         /* Enable all needed keys */
 222         for (trans = powerbook_fn_keys; trans->from; trans++)
 223                 set_bit(trans->to, input->keybit);
 224
 225         for (trans = powerbook_numlock_keys; trans->from; trans++)
 226                 set_bit(trans->to, input->keybit);
 227
 228         for (trans = powerbook_iso_keyboard; trans->from; trans++)
 229                 set_bit(trans->to, input->keybit);
 230
 231 }
 232 #else
 233 static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
 234                 struct hid_usage *usage, __s32 value)
 235 {
 236         return 0;
 237 }
 238
 239 static inline void hidinput_pb_setup(struct input_dev *input)
 240 {
 241 }
 242 #endif
 243
 244 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
 245                                      struct hid_usage *usage)
 246 {
 247         struct input_dev *input = hidinput->input;
 248         struct hid_device *device = input->private;
 249         int max = 0, code;
 250         unsigned long *bit = NULL;
 251
 252         field->hidinput = hidinput;
 253
 254 #ifdef CONFIG_HID_DEBUG
 255         printk(KERN_DEBUG "Mapping: ");
 256         hid_resolv_usage(usage->hid);
 257         printk(" ---> ");
 258 #endif
 259
 260         if (field->flags & HID_MAIN_ITEM_CONSTANT)
 261                 goto ignore;
 262
 263         switch (usage->hid & HID_USAGE_PAGE) {
 264
 265                 case HID_UP_UNDEFINED:
 266                         goto ignore;
 267
 268                 case HID_UP_KEYBOARD:
 269
 270                         set_bit(EV_REP, input->evbit);
 271
 272                         if ((usage->hid & HID_USAGE) < 256) {
 273                                 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
 274                                 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
 275                         } else
 276                                 map_key(KEY_UNKNOWN);
 277
 278                         break;
 279
 280                 case HID_UP_BUTTON:
 281
 282                         code = ((usage->hid - 1) & 0xf);
 283
 284                         switch (field->application) {
 285                                 case HID_GD_MOUSE:
 286                                 case HID_GD_POINTER:  code += 0x110; break;
 287                                 case HID_GD_JOYSTICK: code += 0x120; break;
 288                                 case HID_GD_GAMEPAD:  code += 0x130; break;
 289                                 default:
 290                                         switch (field->physical) {
 291                                                 case HID_GD_MOUSE:
 292                                                 case HID_GD_POINTER:  code += 0x110; break;
 293                                                 case HID_GD_JOYSTICK: code += 0x120; break;
 294                                                 case HID_GD_GAMEPAD:  code += 0x130; break;
 295                                                 default:              code += 0x100;
 296                                         }
 297                         }
 298
 299                         map_key_clear(code);
 300                         break;
 301
 302
 303                 case HID_UP_SIMULATION:
 304
 305                         switch (usage->hid & 0xffff) {
 306                                 case 0xba: map_abs(ABS_RUDDER);   break;
 307                                 case 0xbb: map_abs(ABS_THROTTLE); break;
 308                                 case 0xc4: map_abs(ABS_GAS);      break;
 309                                 case 0xc5: map_abs(ABS_BRAKE);    break;
 310                                 case 0xc8: map_abs(ABS_WHEEL);    break;
 311                                 default:   goto ignore;
 312                         }
 313                         break;
 314
 315                 case HID_UP_GENDESK:
 316
 317                         if ((usage->hid & 0xf0) == 0x80) {      /* SystemControl */
 318                                 switch (usage->hid & 0xf) {
 319                                         case 0x1: map_key_clear(KEY_POWER);  break;
 320                                         case 0x2: map_key_clear(KEY_SLEEP);  break;
 321                                         case 0x3: map_key_clear(KEY_WAKEUP); break;
 322                                         default: goto unknown;
 323                                 }
 324                                 break;
 325                         }
 326
 327                         if ((usage->hid & 0xf0) == 0x90) {      /* D-pad */
 328                                 switch (usage->hid) {
 329                                         case HID_GD_UP:    usage->hat_dir = 1; break;
 330                                         case HID_GD_DOWN:  usage->hat_dir = 5; break;
 331                                         case HID_GD_RIGHT: usage->hat_dir = 3; break;
 332                                         case HID_GD_LEFT:  usage->hat_dir = 7; break;
 333                                         default: goto unknown;
 334                                 }
 335                                 if (field->dpad) {
 336                                         map_abs(field->dpad);
 337                                         goto ignore;
 338                                 }
 339                                 map_abs(ABS_HAT0X);
 340                                 break;
 341                         }
 342
 343                         switch (usage->hid) {
 344
 345                                 /* These usage IDs map directly to the usage codes. */
 346                                 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
 347                                 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
 348                                 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
 349                                         if (field->flags & HID_MAIN_ITEM_RELATIVE)
 350                                                 map_rel_clear(usage->hid & 0xf);
 351                                         else
 352                                                 map_abs_clear(usage->hid & 0xf);
 353                                         break;
 354
 355                                 case HID_GD_HATSWITCH:
 356                                         usage->hat_min = field->logical_minimum;
 357                                         usage->hat_max = field->logical_maximum;
 358                                         map_abs(ABS_HAT0X);
 359                                         break;
 360
 361                                 case HID_GD_START:      map_key_clear(BTN_START);       break;
 362                                 case HID_GD_SELECT:     map_key_clear(BTN_SELECT);      break;
 363
 364                                 default: goto unknown;
 365                         }
 366
 367                         break;
 368
 369                 case HID_UP_LED:
 370
 371                         switch (usage->hid & 0xffff) {                        /* HID-Value:                   */
 372                                 case 0x01:  map_led (LED_NUML);     break;    /*   "Num Lock"                 */
 373                                 case 0x02:  map_led (LED_CAPSL);    break;    /*   "Caps Lock"                */
 374                                 case 0x03:  map_led (LED_SCROLLL);  break;    /*   "Scroll Lock"              */
 375                                 case 0x04:  map_led (LED_COMPOSE);  break;    /*   "Compose"                  */
 376                                 case 0x05:  map_led (LED_KANA);     break;    /*   "Kana"                     */
 377                                 case 0x27:  map_led (LED_SLEEP);    break;    /*   "Stand-By"                 */
 378                                 case 0x4c:  map_led (LED_SUSPEND);  break;    /*   "System Suspend"           */
 379                                 case 0x09:  map_led (LED_MUTE);     break;    /*   "Mute"                     */
 380                                 case 0x4b:  map_led (LED_MISC);     break;    /*   "Generic Indicator"        */
 381                                 case 0x19:  map_led (LED_MAIL);     break;    /*   "Message Waiting"          */
 382                                 case 0x4d:  map_led (LED_CHARGING); break;    /*   "External Power Connected" */
 383
 384                                 default: goto ignore;
 385                         }
 386                         break;
 387
 388                 case HID_UP_DIGITIZER:
 389
 390                         switch (usage->hid & 0xff) {
 391
 392                                 case 0x30: /* TipPressure */
 393                                         if (!test_bit(BTN_TOUCH, input->keybit)) {
 394                                                 device->quirks |= HID_QUIRK_NOTOUCH;
 395                                                 set_bit(EV_KEY, input->evbit);
 396                                                 set_bit(BTN_TOUCH, input->keybit);
 397                                         }
 398
 399                                         map_abs_clear(ABS_PRESSURE);
 400                                         break;
 401
 402                                 case 0x32: /* InRange */
 403                                         switch (field->physical & 0xff) {
 404                                                 case 0x21: map_key(BTN_TOOL_MOUSE); break;
 405                                                 case 0x22: map_key(BTN_TOOL_FINGER); break;
 406                                                 default: map_key(BTN_TOOL_PEN); break;
 407                                         }
 408                                         break;
 409
 410                                 case 0x3c: /* Invert */
 411                                         map_key_clear(BTN_TOOL_RUBBER);
 412                                         break;
 413
 414                                 case 0x33: /* Touch */
 415                                 case 0x42: /* TipSwitch */
 416                                 case 0x43: /* TipSwitch2 */
 417                                         device->quirks &= ~HID_QUIRK_NOTOUCH;
 418                                         map_key_clear(BTN_TOUCH);
 419                                         break;
 420
 421                                 case 0x44: /* BarrelSwitch */
 422                                         map_key_clear(BTN_STYLUS);
 423                                         break;
 424
 425                                 default:  goto unknown;
 426                         }
 427                         break;
 428
 429                 case HID_UP_CONSUMER:   /* USB HUT v1.1, pages 56-62 */
 430
 431                         switch (usage->hid & HID_USAGE) {
 432                                 case 0x000: goto ignore;
 433                                 case 0x034: map_key_clear(KEY_SLEEP);           break;
 434                                 case 0x036: map_key_clear(BTN_MISC);            break;
 435                                 case 0x040: map_key_clear(KEY_MENU);            break;
 436                                 case 0x045: map_key_clear(KEY_RADIO);           break;
 437
 438                                 case 0x083: map_key_clear(KEY_LAST);            break;
 439                                 case 0x088: map_key_clear(KEY_PC);              break;
 440                                 case 0x089: map_key_clear(KEY_TV);              break;
 441                                 case 0x08a: map_key_clear(KEY_WWW);             break;
 442                                 case 0x08b: map_key_clear(KEY_DVD);             break;
 443                                 case 0x08c: map_key_clear(KEY_PHONE);           break;
 444                                 case 0x08d: map_key_clear(KEY_PROGRAM);         break;
 445                                 case 0x08e: map_key_clear(KEY_VIDEOPHONE);      break;
 446                                 case 0x08f: map_key_clear(KEY_GAMES);           break;
 447                                 case 0x090: map_key_clear(KEY_MEMO);            break;
 448                                 case 0x091: map_key_clear(KEY_CD);              break;
 449                                 case 0x092: map_key_clear(KEY_VCR);             break;
 450                                 case 0x093: map_key_clear(KEY_TUNER);           break;
 451                                 case 0x094: map_key_clear(KEY_EXIT);            break;
 452                                 case 0x095: map_key_clear(KEY_HELP);            break;
 453                                 case 0x096: map_key_clear(KEY_TAPE);            break;
 454                                 case 0x097: map_key_clear(KEY_TV2);             break;
 455                                 case 0x098: map_key_clear(KEY_SAT);             break;
 456                                 case 0x09a: map_key_clear(KEY_PVR);             break;
 457
 458                                 case 0x09c: map_key_clear(KEY_CHANNELUP);       break;
 459                                 case 0x09d: map_key_clear(KEY_CHANNELDOWN);     break;
 460                                 case 0x0a0: map_key_clear(KEY_VCR2);            break;
 461
 462                                 case 0x0b0: map_key_clear(KEY_PLAY);            break;
 463                                 case 0x0b1: map_key_clear(KEY_PAUSE);           break;
 464                                 case 0x0b2: map_key_clear(KEY_RECORD);          break;
 465                                 case 0x0b3: map_key_clear(KEY_FASTFORWARD);     break;
 466                                 case 0x0b4: map_key_clear(KEY_REWIND);          break;
 467                                 case 0x0b5: map_key_clear(KEY_NEXTSONG);        break;
 468                                 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG);    break;
 469                                 case 0x0b7: map_key_clear(KEY_STOPCD);          break;
 470                                 case 0x0b8: map_key_clear(KEY_EJECTCD);         break;
 471
 472                                 case 0x0cd: map_key_clear(KEY_PLAYPAUSE);       break;
 473                                 case 0x0e0: map_abs_clear(ABS_VOLUME);          break;
 474                                 case 0x0e2: map_key_clear(KEY_MUTE);            break;
 475                                 case 0x0e5: map_key_clear(KEY_BASSBOOST);       break;
 476                                 case 0x0e9: map_key_clear(KEY_VOLUMEUP);        break;
 477                                 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN);      break;
 478                                 case 0x183: map_key_clear(KEY_CONFIG);          break;
 479                                 case 0x184: map_key_clear(KEY_WORDPROCESSOR);   break;
 480                                 case 0x185: map_key_clear(KEY_EDITOR);          break;
 481                                 case 0x186: map_key_clear(KEY_SPREADSHEET);     break;
 482                                 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR);  break;
 483                                 case 0x188: map_key_clear(KEY_PRESENTATION);    break;
 484                                 case 0x189: map_key_clear(KEY_DATABASE);        break;
 485                                 case 0x18a: map_key_clear(KEY_MAIL);            break;
 486                                 case 0x18b: map_key_clear(KEY_NEWS);            break;
 487                                 case 0x18c: map_key_clear(KEY_VOICEMAIL);       break;
 488                                 case 0x18d: map_key_clear(KEY_ADDRESSBOOK);     break;
 489                                 case 0x18e: map_key_clear(KEY_CALENDAR);        break;
 490                                 case 0x191: map_key_clear(KEY_FINANCE);         break;
 491                                 case 0x192: map_key_clear(KEY_CALC);            break;
 492                                 case 0x194: map_key_clear(KEY_FILE);            break;
 493                                 case 0x196: map_key_clear(KEY_WWW);             break;
 494                                 case 0x19e: map_key_clear(KEY_COFFEE);          break;
 495                                 case 0x1a6: map_key_clear(KEY_HELP);            break;
 496                                 case 0x1a7: map_key_clear(KEY_DOCUMENTS);       break;
 497                                 case 0x1bc: map_key_clear(KEY_MESSENGER);       break;
 498                                 case 0x1bd: map_key_clear(KEY_INFO);            break;
 499                                 case 0x201: map_key_clear(KEY_NEW);             break;
 500                                 case 0x202: map_key_clear(KEY_OPEN);            break;
 501                                 case 0x203: map_key_clear(KEY_CLOSE);           break;
 502                                 case 0x204: map_key_clear(KEY_EXIT);            break;
 503                                 case 0x207: map_key_clear(KEY_SAVE);            break;
 504                                 case 0x208: map_key_clear(KEY_PRINT);           break;
 505                                 case 0x209: map_key_clear(KEY_PROPS);           break;
 506                                 case 0x21a: map_key_clear(KEY_UNDO);            break;
 507                                 case 0x21b: map_key_clear(KEY_COPY);            break;
 508                                 case 0x21c: map_key_clear(KEY_CUT);             break;
 509                                 case 0x21d: map_key_clear(KEY_PASTE);           break;
 510                                 case 0x221: map_key_clear(KEY_FIND);            break;
 511                                 case 0x223: map_key_clear(KEY_HOMEPAGE);        break;
 512                                 case 0x224: map_key_clear(KEY_BACK);            break;
 513                                 case 0x225: map_key_clear(KEY_FORWARD);         break;
 514                                 case 0x226: map_key_clear(KEY_STOP);            break;
 515                                 case 0x227: map_key_clear(KEY_REFRESH);         break;
 516                                 case 0x22a: map_key_clear(KEY_BOOKMARKS);       break;
 517                                 case 0x22d: map_key_clear(KEY_ZOOMIN);          break;
 518                                 case 0x22e: map_key_clear(KEY_ZOOMOUT);         break;
 519                                 case 0x22f: map_key_clear(KEY_ZOOMRESET);       break;
 520                                 case 0x233: map_key_clear(KEY_SCROLLUP);        break;
 521                                 case 0x234: map_key_clear(KEY_SCROLLDOWN);      break;
 522                                 case 0x238: map_rel_clear(REL_HWHEEL);          break;
 523                                 case 0x25f: map_key_clear(KEY_CANCEL);          break;
 524                                 case 0x279: map_key_clear(KEY_REDO);            break;
 525
 526                                 case 0x289: map_key_clear(KEY_REPLY);           break;
 527                                 case 0x28b: map_key_clear(KEY_FORWARDMAIL);     break;
 528                                 case 0x28c: map_key_clear(KEY_SEND);            break;
 529
 530                                 /* Reported on a Cherry Cymotion keyboard */
 531                                 case 0x301: map_key_clear(KEY_PROG1);           break;
 532                                 case 0x302: map_key_clear(KEY_PROG2);           break;
 533                                 case 0x303: map_key_clear(KEY_PROG3);           break;
 534
 535                                 default:    goto ignore;
 536                         }
 537                         break;
 538
 539                 case HID_UP_HPVENDOR:   /* Reported on a Dutch layout HP5308 */
 540
 541                         set_bit(EV_REP, input->evbit);
 542                         switch (usage->hid & HID_USAGE) {
 543                                 case 0x021: map_key_clear(KEY_PRINT);           break;
 544                                 case 0x070: map_key_clear(KEY_HP);              break;
 545                                 case 0x071: map_key_clear(KEY_CAMERA);          break;
 546                                 case 0x072: map_key_clear(KEY_SOUND);           break;
 547                                 case 0x073: map_key_clear(KEY_QUESTION);        break;
 548                                 case 0x080: map_key_clear(KEY_EMAIL);           break;
 549                                 case 0x081: map_key_clear(KEY_CHAT);            break;
 550                                 case 0x082: map_key_clear(KEY_SEARCH);          break;
 551                                 case 0x083: map_key_clear(KEY_CONNECT);         break;
 552                                 case 0x084: map_key_clear(KEY_FINANCE);         break;
 553                                 case 0x085: map_key_clear(KEY_SPORT);           break;
 554                                 case 0x086: map_key_clear(KEY_SHOP);            break;
 555                                 default:    goto ignore;
 556                         }
 557                         break;
 558
 559                 case HID_UP_MSVENDOR:
 560                         goto ignore;
 561
 562                 case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
 563
 564                         set_bit(EV_REP, input->evbit);
 565                         switch(usage->hid & HID_USAGE) {
 566                                 case 0x003:
 567                                         /* The fn key on Apple PowerBooks */
 568                                         map_key_clear(KEY_FN);
 569                                         hidinput_pb_setup(input);
 570                                         break;
 571
 572                                 default:    goto ignore;
 573                         }
 574                         break;
 575
 576                 case HID_UP_LOGIVENDOR: /* Reported on Logitech Ultra X Media Remote */
 577
 578                         set_bit(EV_REP, input->evbit);
 579                         switch(usage->hid & HID_USAGE) {
 580                                 case 0x004: map_key_clear(KEY_AGAIN);           break;
 581                                 case 0x00d: map_key_clear(KEY_HOME);            break;
 582                                 case 0x024: map_key_clear(KEY_SHUFFLE);         break;
 583                                 case 0x025: map_key_clear(KEY_TV);              break;
 584                                 case 0x026: map_key_clear(KEY_MENU);            break;
 585                                 case 0x031: map_key_clear(KEY_AUDIO);           break;
 586                                 case 0x032: map_key_clear(KEY_TEXT);            break;
 587                                 case 0x033: map_key_clear(KEY_LAST);            break;
 588                                 case 0x047: map_key_clear(KEY_MP3);             break;
 589                                 case 0x048: map_key_clear(KEY_DVD);             break;
 590                                 case 0x049: map_key_clear(KEY_MEDIA);           break;
 591                                 case 0x04a: map_key_clear(KEY_VIDEO);           break;
 592                                 case 0x04b: map_key_clear(KEY_ANGLE);           break;
 593                                 case 0x04c: map_key_clear(KEY_LANGUAGE);        break;
 594                                 case 0x04d: map_key_clear(KEY_SUBTITLE);        break;
 595                                 case 0x051: map_key_clear(KEY_RED);             break;
 596                                 case 0x052: map_key_clear(KEY_CLOSE);           break;
 597                                 default:    goto ignore;
 598                         }
 599                         break;
 600
 601                 case HID_UP_PID:
 602
 603                         switch(usage->hid & HID_USAGE) {
 604                                 case 0xa4: map_key_clear(BTN_DEAD);     break;
 605                                 default: goto ignore;
 606                         }
 607                         break;
 608
 609                 default:
 610                 unknown:
 611                         if (field->report_size == 1) {
 612                                 if (field->report->type == HID_OUTPUT_REPORT) {
 613                                         map_led(LED_MISC);
 614                                         break;
 615                                 }
 616                                 map_key(BTN_MISC);
 617                                 break;
 618                         }
 619                         if (field->flags & HID_MAIN_ITEM_RELATIVE) {
 620                                 map_rel(REL_MISC);
 621                                 break;
 622                         }
 623                         map_abs(ABS_MISC);
 624                         break;
 625         }
 626
 627         if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
 628                 if (usage->hid == HID_GD_Z)
 629                         map_rel(REL_HWHEEL);
 630                 else if (usage->code == BTN_1)
 631                         map_key(BTN_2);
 632                 else if (usage->code == BTN_2)
 633                         map_key(BTN_1);
 634         }
 635
 636         if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
 637                  (usage->type == EV_REL) && (usage->code == REL_WHEEL))
 638                         set_bit(REL_HWHEEL, bit);
 639
 640         if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
 641                 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
 642                 goto ignore;
 643
 644         if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
 645                 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
 646                 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
 647
 648         set_bit(usage->type, input->evbit);
 649
 650         while (usage->code <= max && test_and_set_bit(usage->code, bit))
 651                 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
 652
 653         if (usage->code > max)
 654                 goto ignore;
 655
 656
 657         if (usage->type == EV_ABS) {
 658
 659                 int a = field->logical_minimum;
 660                 int b = field->logical_maximum;
 661
 662                 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
 663                         a = field->logical_minimum = 0;
 664                         b = field->logical_maximum = 255;
 665                 }
 666
 667                 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
 668                         input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
 669                 else    input_set_abs_params(input, usage->code, a, b, 0, 0);
 670
 671         }
 672
 673         if (usage->type == EV_ABS &&
 674             (usage->hat_min < usage->hat_max || usage->hat_dir)) {
 675                 int i;
 676                 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
 677                         input_set_abs_params(input, i, -1, 1, 0, 0);
 678                         set_bit(i, input->absbit);
 679                 }
 680                 if (usage->hat_dir && !field->dpad)
 681                         field->dpad = usage->code;
 682         }
 683
 684         hid_resolv_event(usage->type, usage->code);
 685 #ifdef CONFIG_HID_DEBUG
 686         printk("\n");
 687 #endif
 688         return;
 689
 690 ignore:
 691 #ifdef CONFIG_HID_DEBUG
 692         printk("IGNORED\n");
 693 #endif
 694         return;
 695 }
 696
 697 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
 698 {
 699         struct input_dev *input;
 700         int *quirks = &hid->quirks;
 701
 702         if (!field->hidinput)
 703                 return;
 704
 705         input = field->hidinput->input;
 706
 707         if (!usage->type)
 708                 return;
 709
 710         if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
 711                 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
 712                 if (value) hid->quirks |=  HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
 713                 else       hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
 714                 return;
 715         }
 716
 717         if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
 718                 input_event(input, usage->type, usage->code, -value);
 719                 return;
 720         }
 721
 722         if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
 723                 input_event(input, usage->type, REL_HWHEEL, value);
 724                 return;
 725         }
 726
 727         if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value))
 728                 return;
 729
 730         if (usage->hat_min < usage->hat_max || usage->hat_dir) {
 731                 int hat_dir = usage->hat_dir;
 732                 if (!hat_dir)
 733                         hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
 734                 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
 735                 input_event(input, usage->type, usage->code    , hid_hat_to_axis[hat_dir].x);
 736                 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
 737                 return;
 738         }
 739
 740         if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
 741                 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
 742                 return;
 743         }
 744
 745         if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
 746                 if (value) {
 747                         input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
 748                         return;
 749                 }
 750                 input_event(input, usage->type, usage->code, 0);
 751                 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
 752                 return;
 753         }
 754
 755         if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
 756                 int a = field->logical_minimum;
 757                 int b = field->logical_maximum;
 758                 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
 759         }
 760
 761         if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
 762                 dbg("Maximum Effects - %d",value);
 763                 return;
 764         }
 765
 766         if (usage->hid == (HID_UP_PID | 0x7fUL)) {
 767                 dbg("PID Pool Report\n");
 768                 return;
 769         }
 770
 771         if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
 772                 return;
 773
 774         input_event(input, usage->type, usage->code, value);
 775
 776         if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
 777                 input_event(input, usage->type, usage->code, 0);
 778 }
 779
 780 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
 781 {
 782         struct hid_input *hidinput;
 783
 784         list_for_each_entry(hidinput, &hid->inputs, list)
 785                 input_sync(hidinput->input);
 786 }
 787 EXPORT_SYMBOL_GPL(hidinput_report_event);
 788
 789 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
 790 {
 791         struct hid_report *report;
 792         int i, j;
 793
 794         list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
 795                 for (i = 0; i < report->maxfield; i++) {
 796                         *field = report->field[i];
 797                         for (j = 0; j < (*field)->maxusage; j++)
 798                                 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
 799                                         return j;
 800                 }
 801         }
 802         return -1;
 803 }
 804 EXPORT_SYMBOL_GPL(hidinput_find_field);
 805
 806 static int hidinput_open(struct input_dev *dev)
 807 {
 808         struct hid_device *hid = dev->private;
 809         return hid->hid_open(hid);
 810 }
 811
 812 static void hidinput_close(struct input_dev *dev)
 813 {
 814         struct hid_device *hid = dev->private;
 815         hid->hid_close(hid);
 816 }
 817
 818 /*
 819  * Register the input device; print a message.
 820  * Configure the input layer interface
 821  * Read all reports and initialize the absolute field values.
 822  */
 823
 824 int hidinput_connect(struct hid_device *hid)
 825 {
 826         struct hid_report *report;
 827         struct hid_input *hidinput = NULL;
 828         struct input_dev *input_dev;
 829         int i, j, k;
 830         int max_report_type = HID_OUTPUT_REPORT;
 831
 832         INIT_LIST_HEAD(&hid->inputs);
 833
 834         for (i = 0; i < hid->maxcollection; i++)
 835                 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
 836                     hid->collection[i].type == HID_COLLECTION_PHYSICAL)
 837                         if (IS_INPUT_APPLICATION(hid->collection[i].usage))
 838                                 break;
 839
 840         if (i == hid->maxcollection)
 841                 return -1;
 842
 843         if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
 844                 max_report_type = HID_INPUT_REPORT;
 845
 846         for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
 847                 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
 848
 849                         if (!report->maxfield)
 850                                 continue;
 851
 852                         if (!hidinput) {
 853                                 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
 854                                 input_dev = input_allocate_device();
 855                                 if (!hidinput || !input_dev) {
 856                                         kfree(hidinput);
 857                                         input_free_device(input_dev);
 858                                         err("Out of memory during hid input probe");
 859                                         return -1;
 860                                 }
 861
 862                                 input_dev->private = hid;
 863                                 input_dev->event = hid->hidinput_input_event;
 864                                 input_dev->open = hidinput_open;
 865                                 input_dev->close = hidinput_close;
 866
 867                                 input_dev->name = hid->name;
 868                                 input_dev->phys = hid->phys;
 869                                 input_dev->uniq = hid->uniq;
 870                                 input_dev->id.bustype = hid->bus;
 871                                 input_dev->id.vendor  = hid->vendor;
 872                                 input_dev->id.product = hid->product;
 873                                 input_dev->id.version = hid->version;
 874                                 input_dev->cdev.dev = hid->dev;
 875                                 hidinput->input = input_dev;
 876                                 list_add_tail(&hidinput->list, &hid->inputs);
 877                         }
 878
 879                         for (i = 0; i < report->maxfield; i++)
 880                                 for (j = 0; j < report->field[i]->maxusage; j++)
 881                                         hidinput_configure_usage(hidinput, report->field[i],
 882                                                                  report->field[i]->usage + j);
 883
 884                         if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
 885                                 /* This will leave hidinput NULL, so that it
 886                                  * allocates another one if we have more inputs on
 887                                  * the same interface. Some devices (e.g. Happ's
 888                                  * UGCI) cram a lot of unrelated inputs into the
 889                                  * same interface. */
 890                                 hidinput->report = report;
 891                                 input_register_device(hidinput->input);
 892                                 hidinput = NULL;
 893                         }
 894                 }
 895
 896         if (hidinput)
 897                 input_register_device(hidinput->input);
 898
 899         return 0;
 900 }
 901 EXPORT_SYMBOL_GPL(hidinput_connect);
 902
 903 void hidinput_disconnect(struct hid_device *hid)
 904 {
 905         struct hid_input *hidinput, *next;
 906
 907         list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
 908                 list_del(&hidinput->list);
 909                 input_unregister_device(hidinput->input);
 910                 kfree(hidinput);
 911         }
 912 }
 913 EXPORT_SYMBOL_GPL(hidinput_disconnect);
 914