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