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