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