drivers/usb/input/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  *
   6  *  USB HID to Linux Input mapping
   7  */
   8
   9 /*
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  23  *
  24  * Should you need to contact me, the author, you can do so either by
  25  * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
  26  * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
  27  */
  28
  29 #include <linux/module.h>
  30 #include <linux/slab.h>
  31 #include <linux/kernel.h>
  32 #include <linux/input.h>
  33 #include <linux/usb.h>
  34 #include <linux/usb_input.h>
  35
  36 #undef DEBUG
  37
  38 #include "hid.h"
  39
  40 #define unk     KEY_UNKNOWN
  41
  42 static const unsigned char hid_keyboard[256] = {
  43           0,  0,  0,  0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
  44          50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44,  2,  3,
  45           4,  5,  6,  7,  8,  9, 10, 11, 28,  1, 14, 15, 57, 12, 13, 26,
  46          27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
  47          65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
  48         105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
  49          72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
  50         191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
  51         115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
  52         122,123, 90, 91, 85,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         unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
  57          29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
  58         150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
  59 };
  60
  61 static const struct {
  62         __s32 x;
  63         __s32 y;
  64 }  hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
  65
  66 #define map_abs(c)      do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
  67 #define map_rel(c)      do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
  68 #define map_key(c)      do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
  69 #define map_led(c)      do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
  70 #define map_ff(c)       do { usage->code = c; usage->type = EV_FF;  bit = input->ffbit;  max =  FF_MAX; } while (0)
  71
  72 #define map_abs_clear(c)        do { map_abs(c); clear_bit(c, bit); } while (0)
  73 #define map_key_clear(c)        do { map_key(c); clear_bit(c, bit); } while (0)
  74 #define map_ff_effect(c)        do { set_bit(c, input->ffbit); } while (0)
  75
  76 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK
  77
  78 struct hidinput_key_translation {
  79         u16 from;
  80         u16 to;
  81         u8 flags;
  82 };
  83
  84 #define POWERBOOK_FLAG_FKEY 0x01
  85
  86 static struct hidinput_key_translation powerbook_fn_keys[] = {
  87         { KEY_BACKSPACE, KEY_DELETE },
  88         { KEY_F1,       KEY_BRIGHTNESSDOWN,     POWERBOOK_FLAG_FKEY },
  89         { KEY_F2,       KEY_BRIGHTNESSUP,       POWERBOOK_FLAG_FKEY },
  90         { KEY_F3,       KEY_MUTE,               POWERBOOK_FLAG_FKEY },
  91         { KEY_F4,       KEY_VOLUMEDOWN,         POWERBOOK_FLAG_FKEY },
  92         { KEY_F5,       KEY_VOLUMEUP,           POWERBOOK_FLAG_FKEY },
  93         { KEY_F6,       KEY_NUMLOCK,            POWERBOOK_FLAG_FKEY },
  94         { KEY_F7,       KEY_SWITCHVIDEOMODE,    POWERBOOK_FLAG_FKEY },
  95         { KEY_F8,       KEY_KBDILLUMTOGGLE,     POWERBOOK_FLAG_FKEY },
  96         { KEY_F9,       KEY_KBDILLUMDOWN,       POWERBOOK_FLAG_FKEY },
  97         { KEY_F10,      KEY_KBDILLUMUP,         POWERBOOK_FLAG_FKEY },
  98         { KEY_UP,       KEY_PAGEUP },
  99         { KEY_DOWN,     KEY_PAGEDOWN },
 100         { KEY_LEFT,     KEY_HOME },
 101         { KEY_RIGHT,    KEY_END },
 102         { }
 103 };
 104
 105 static struct hidinput_key_translation powerbook_numlock_keys[] = {
 106         { KEY_J,        KEY_KP1 },
 107         { KEY_K,        KEY_KP2 },
 108         { KEY_L,        KEY_KP3 },
 109         { KEY_U,        KEY_KP4 },
 110         { KEY_I,        KEY_KP5 },
 111         { KEY_O,        KEY_KP6 },
 112         { KEY_7,        KEY_KP7 },
 113         { KEY_8,        KEY_KP8 },
 114         { KEY_9,        KEY_KP9 },
 115         { KEY_M,        KEY_KP0 },
 116         { KEY_DOT,      KEY_KPDOT },
 117         { KEY_SLASH,    KEY_KPPLUS },
 118         { KEY_SEMICOLON, KEY_KPMINUS },
 119         { KEY_P,        KEY_KPASTERISK },
 120         { KEY_MINUS,    KEY_KPEQUAL },
 121         { KEY_0,        KEY_KPSLASH },
 122         { KEY_F6,       KEY_NUMLOCK },
 123         { KEY_KPENTER,  KEY_KPENTER },
 124         { KEY_BACKSPACE, KEY_BACKSPACE },
 125         { }
 126 };
 127
 128 static int usbhid_pb_fnmode = 1;
 129 module_param_named(pb_fnmode, usbhid_pb_fnmode, int, 0644);
 130 MODULE_PARM_DESC(pb_fnmode,
 131         "Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
 132
 133 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
 134 {
 135         struct hidinput_key_translation *trans;
 136
 137         /* Look for the translation */
 138         for (trans = table; trans->from; trans++)
 139                 if (trans->from == from)
 140                         return trans;
 141
 142         return NULL;
 143 }
 144
 145 static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
 146                              struct hid_usage *usage, __s32 value)
 147 {
 148         struct hidinput_key_translation *trans;
 149
 150         if (usage->code == KEY_FN) {
 151                 if (value) hid->quirks |=  HID_QUIRK_POWERBOOK_FN_ON;
 152                 else       hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON;
 153
 154                 input_event(input, usage->type, usage->code, value);
 155
 156                 return 1;
 157         }
 158
 159         if (usbhid_pb_fnmode) {
 160                 int do_translate;
 161
 162                 trans = find_translation(powerbook_fn_keys, usage->code);
 163                 if (trans) {
 164                         if (test_bit(usage->code, hid->pb_pressed_fn))
 165                                 do_translate = 1;
 166                         else if (trans->flags & POWERBOOK_FLAG_FKEY)
 167                                 do_translate =
 168                                         (usbhid_pb_fnmode == 2 &&  (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) ||
 169                                         (usbhid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON));
 170                         else
 171                                 do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON);
 172
 173                         if (do_translate) {
 174                                 if (value)
 175                                         set_bit(usage->code, hid->pb_pressed_fn);
 176                                 else
 177                                         clear_bit(usage->code, hid->pb_pressed_fn);
 178
 179                                 input_event(input, usage->type, trans->to, value);
 180
 181                                 return 1;
 182                         }
 183                 }
 184
 185                 if (test_bit(usage->code, hid->pb_pressed_numlock) ||
 186                     test_bit(LED_NUML, input->led)) {
 187                         trans = find_translation(powerbook_numlock_keys, usage->code);
 188
 189                         if (trans) {
 190                                 if (value)
 191                                         set_bit(usage->code, hid->pb_pressed_numlock);
 192                                 else
 193                                         clear_bit(usage->code, hid->pb_pressed_numlock);
 194
 195                                 input_event(input, usage->type, trans->to, value);
 196                         }
 197
 198                         return 1;
 199                 }
 200         }
 201
 202         return 0;
 203 }
 204
 205 static void hidinput_pb_setup(struct input_dev *input)
 206 {
 207         struct hidinput_key_translation *trans;
 208
 209         set_bit(KEY_NUMLOCK, input->keybit);
 210
 211         /* Enable all needed keys */
 212         for (trans = powerbook_fn_keys; trans->from; trans++)
 213                 set_bit(trans->to, input->keybit);
 214
 215         for (trans = powerbook_numlock_keys; trans->from; trans++)
 216                 set_bit(trans->to, input->keybit);
 217 }
 218 #else
 219 static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
 220                                     struct hid_usage *usage, __s32 value)
 221 {
 222         return 0;
 223 }
 224
 225 static inline void hidinput_pb_setup(struct input_dev *input)
 226 {
 227 }
 228 #endif
 229
 230 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
 231                                      struct hid_usage *usage)
 232 {
 233         struct input_dev *input = hidinput->input;
 234         struct hid_device *device = input->private;
 235         int max = 0, code;
 236         unsigned long *bit = NULL;
 237
 238         field->hidinput = hidinput;
 239
 240 #ifdef DEBUG
 241         printk(KERN_DEBUG "Mapping: ");
 242         resolv_usage(usage->hid);
 243         printk(" ---> ");
 244 #endif
 245
 246         if (field->flags & HID_MAIN_ITEM_CONSTANT)
 247                 goto ignore;
 248
 249         switch (usage->hid & HID_USAGE_PAGE) {
 250
 251                 case HID_UP_UNDEFINED:
 252                         goto ignore;
 253
 254                 case HID_UP_KEYBOARD:
 255
 256                         set_bit(EV_REP, input->evbit);
 257
 258                         if ((usage->hid & HID_USAGE) < 256) {
 259                                 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
 260                                 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
 261                         } else
 262                                 map_key(KEY_UNKNOWN);
 263
 264                         break;
 265
 266                 case HID_UP_BUTTON:
 267
 268                         code = ((usage->hid - 1) & 0xf);
 269
 270                         switch (field->application) {
 271                                 case HID_GD_MOUSE:
 272                                 case HID_GD_POINTER:  code += 0x110; break;
 273                                 case HID_GD_JOYSTICK: code += 0x120; break;
 274                                 case HID_GD_GAMEPAD:  code += 0x130; break;
 275                                 default:
 276                                         switch (field->physical) {
 277                                                 case HID_GD_MOUSE:
 278                                                 case HID_GD_POINTER:  code += 0x110; break;
 279                                                 case HID_GD_JOYSTICK: code += 0x120; break;
 280                                                 case HID_GD_GAMEPAD:  code += 0x130; break;
 281                                                 default:              code += 0x100;
 282                                         }
 283                         }
 284
 285                         map_key(code);
 286                         break;
 287
 288
 289                 case HID_UP_SIMULATION:
 290
 291                         switch (usage->hid & 0xffff) {
 292                                 case 0xba: map_abs(ABS_RUDDER);   break;
 293                                 case 0xbb: map_abs(ABS_THROTTLE); break;
 294                                 case 0xc4: map_abs(ABS_GAS);      break;
 295                                 case 0xc5: map_abs(ABS_BRAKE);    break;
 296                                 case 0xc8: map_abs(ABS_WHEEL);    break;
 297                                 default:   goto ignore;
 298                         }
 299                         break;
 300
 301                 case HID_UP_GENDESK:
 302
 303                         if ((usage->hid & 0xf0) == 0x80) {      /* SystemControl */
 304                                 switch (usage->hid & 0xf) {
 305                                         case 0x1: map_key_clear(KEY_POWER);  break;
 306                                         case 0x2: map_key_clear(KEY_SLEEP);  break;
 307                                         case 0x3: map_key_clear(KEY_WAKEUP); break;
 308                                         default: goto unknown;
 309                                 }
 310                                 break;
 311                         }
 312
 313                         if ((usage->hid & 0xf0) == 0x90) {      /* D-pad */
 314                                 switch (usage->hid) {
 315                                         case HID_GD_UP:    usage->hat_dir = 1; break;
 316                                         case HID_GD_DOWN:  usage->hat_dir = 5; break;
 317                                         case HID_GD_RIGHT: usage->hat_dir = 3; break;
 318                                         case HID_GD_LEFT:  usage->hat_dir = 7; break;
 319                                         default: goto unknown;
 320                                 }
 321                                 if (field->dpad) {
 322                                         map_abs(field->dpad);
 323                                         goto ignore;
 324                                 }
 325                                 map_abs(ABS_HAT0X);
 326                                 break;
 327                         }
 328
 329                         switch (usage->hid) {
 330
 331                                 /* These usage IDs map directly to the usage codes. */
 332                                 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
 333                                 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
 334                                 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
 335                                         if (field->flags & HID_MAIN_ITEM_RELATIVE)
 336                                                 map_rel(usage->hid & 0xf);
 337                                         else
 338                                                 map_abs(usage->hid & 0xf);
 339                                         break;
 340
 341                                 case HID_GD_HATSWITCH:
 342                                         usage->hat_min = field->logical_minimum;
 343                                         usage->hat_max = field->logical_maximum;
 344                                         map_abs(ABS_HAT0X);
 345                                         break;
 346
 347                                 case HID_GD_START:      map_key_clear(BTN_START);       break;
 348                                 case HID_GD_SELECT:     map_key_clear(BTN_SELECT);      break;
 349
 350                                 default: goto unknown;
 351                         }
 352
 353                         break;
 354
 355                 case HID_UP_LED:
 356                         if (((usage->hid - 1) & 0xffff) >= LED_MAX)
 357                                 goto ignore;
 358                         map_led((usage->hid - 1) & 0xffff);
 359                         break;
 360
 361                 case HID_UP_DIGITIZER:
 362
 363                         switch (usage->hid & 0xff) {
 364
 365                                 case 0x30: /* TipPressure */
 366                                         if (!test_bit(BTN_TOUCH, input->keybit)) {
 367                                                 device->quirks |= HID_QUIRK_NOTOUCH;
 368                                                 set_bit(EV_KEY, input->evbit);
 369                                                 set_bit(BTN_TOUCH, input->keybit);
 370                                         }
 371
 372                                         map_abs_clear(ABS_PRESSURE);
 373                                         break;
 374
 375                                 case 0x32: /* InRange */
 376                                         switch (field->physical & 0xff) {
 377                                                 case 0x21: map_key(BTN_TOOL_MOUSE); break;
 378                                                 case 0x22: map_key(BTN_TOOL_FINGER); break;
 379                                                 default: map_key(BTN_TOOL_PEN); break;
 380                                         }
 381                                         break;
 382
 383                                 case 0x3c: /* Invert */
 384                                         map_key_clear(BTN_TOOL_RUBBER);
 385                                         break;
 386
 387                                 case 0x33: /* Touch */
 388                                 case 0x42: /* TipSwitch */
 389                                 case 0x43: /* TipSwitch2 */
 390                                         device->quirks &= ~HID_QUIRK_NOTOUCH;
 391                                         map_key_clear(BTN_TOUCH);
 392                                         break;
 393
 394                                 case 0x44: /* BarrelSwitch */
 395                                         map_key_clear(BTN_STYLUS);
 396                                         break;
 397
 398                                 default:  goto unknown;
 399                         }
 400                         break;
 401
 402                 case HID_UP_CONSUMER:   /* USB HUT v1.1, pages 56-62 */
 403
 404                         switch (usage->hid & HID_USAGE) {
 405                                 case 0x000: goto ignore;
 406                                 case 0x034: map_key_clear(KEY_SLEEP);           break;
 407                                 case 0x036: map_key_clear(BTN_MISC);            break;
 408                                 case 0x045: map_key_clear(KEY_RADIO);           break;
 409                                 case 0x08a: map_key_clear(KEY_WWW);             break;
 410                                 case 0x08d: map_key_clear(KEY_PROGRAM);         break;
 411                                 case 0x095: map_key_clear(KEY_HELP);            break;
 412                                 case 0x09c: map_key_clear(KEY_CHANNELUP);       break;
 413                                 case 0x09d: map_key_clear(KEY_CHANNELDOWN);     break;
 414                                 case 0x0b0: map_key_clear(KEY_PLAY);            break;
 415                                 case 0x0b1: map_key_clear(KEY_PAUSE);           break;
 416                                 case 0x0b2: map_key_clear(KEY_RECORD);          break;
 417                                 case 0x0b3: map_key_clear(KEY_FASTFORWARD);     break;
 418                                 case 0x0b4: map_key_clear(KEY_REWIND);          break;
 419                                 case 0x0b5: map_key_clear(KEY_NEXTSONG);        break;
 420                                 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG);    break;
 421                                 case 0x0b7: map_key_clear(KEY_STOPCD);          break;
 422                                 case 0x0b8: map_key_clear(KEY_EJECTCD);         break;
 423                                 case 0x0cd: map_key_clear(KEY_PLAYPAUSE);       break;
 424                                 case 0x0e0: map_abs_clear(ABS_VOLUME);          break;
 425                                 case 0x0e2: map_key_clear(KEY_MUTE);            break;
 426                                 case 0x0e5: map_key_clear(KEY_BASSBOOST);       break;
 427                                 case 0x0e9: map_key_clear(KEY_VOLUMEUP);        break;
 428                                 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN);      break;
 429                                 case 0x183: map_key_clear(KEY_CONFIG);          break;
 430                                 case 0x18a: map_key_clear(KEY_MAIL);            break;
 431                                 case 0x192: map_key_clear(KEY_CALC);            break;
 432                                 case 0x194: map_key_clear(KEY_FILE);            break;
 433                                 case 0x1a7: map_key_clear(KEY_DOCUMENTS);       break;
 434                                 case 0x201: map_key_clear(KEY_NEW);             break;
 435                                 case 0x207: map_key_clear(KEY_SAVE);            break;
 436                                 case 0x208: map_key_clear(KEY_PRINT);           break;
 437                                 case 0x209: map_key_clear(KEY_PROPS);           break;
 438                                 case 0x21a: map_key_clear(KEY_UNDO);            break;
 439                                 case 0x21b: map_key_clear(KEY_COPY);            break;
 440                                 case 0x21c: map_key_clear(KEY_CUT);             break;
 441                                 case 0x21d: map_key_clear(KEY_PASTE);           break;
 442                                 case 0x221: map_key_clear(KEY_FIND);            break;
 443                                 case 0x223: map_key_clear(KEY_HOMEPAGE);        break;
 444                                 case 0x224: map_key_clear(KEY_BACK);            break;
 445                                 case 0x225: map_key_clear(KEY_FORWARD);         break;
 446                                 case 0x226: map_key_clear(KEY_STOP);            break;
 447                                 case 0x227: map_key_clear(KEY_REFRESH);         break;
 448                                 case 0x22a: map_key_clear(KEY_BOOKMARKS);       break;
 449                                 case 0x233: map_key_clear(KEY_SCROLLUP);        break;
 450                                 case 0x234: map_key_clear(KEY_SCROLLDOWN);      break;
 451                                 case 0x238: map_rel(REL_HWHEEL);                break;
 452                                 case 0x279: map_key_clear(KEY_REDO);            break;
 453                                 case 0x289: map_key_clear(KEY_REPLY);           break;
 454                                 case 0x28b: map_key_clear(KEY_FORWARDMAIL);     break;
 455                                 case 0x28c: map_key_clear(KEY_SEND);            break;
 456
 457                                 /* Reported on a Cherry Cymotion keyboard */
 458                                 case 0x301: map_key_clear(KEY_PROG1);           break;
 459                                 case 0x302: map_key_clear(KEY_PROG2);           break;
 460                                 case 0x303: map_key_clear(KEY_PROG3);           break;
 461
 462                                 default:    goto ignore;
 463                         }
 464                         break;
 465
 466                 case HID_UP_HPVENDOR:   /* Reported on a Dutch layout HP5308 */
 467
 468                         set_bit(EV_REP, input->evbit);
 469                         switch (usage->hid & HID_USAGE) {
 470                                 case 0x021: map_key_clear(KEY_PRINT);           break;
 471                                 case 0x070: map_key_clear(KEY_HP);              break;
 472                                 case 0x071: map_key_clear(KEY_CAMERA);          break;
 473                                 case 0x072: map_key_clear(KEY_SOUND);           break;
 474                                 case 0x073: map_key_clear(KEY_QUESTION);        break;
 475                                 case 0x080: map_key_clear(KEY_EMAIL);           break;
 476                                 case 0x081: map_key_clear(KEY_CHAT);            break;
 477                                 case 0x082: map_key_clear(KEY_SEARCH);          break;
 478                                 case 0x083: map_key_clear(KEY_CONNECT);         break;
 479                                 case 0x084: map_key_clear(KEY_FINANCE);         break;
 480                                 case 0x085: map_key_clear(KEY_SPORT);           break;
 481                                 case 0x086: map_key_clear(KEY_SHOP);            break;
 482                                 default:    goto ignore;
 483                         }
 484                         break;
 485
 486                 case HID_UP_MSVENDOR:
 487                         goto ignore;
 488
 489                 case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
 490
 491                         set_bit(EV_REP, input->evbit);
 492                         switch(usage->hid & HID_USAGE) {
 493                                 case 0x003:
 494                                         /* The fn key on Apple PowerBooks */
 495                                         map_key_clear(KEY_FN);
 496                                         hidinput_pb_setup(input);
 497                                         break;
 498
 499                                 default:    goto ignore;
 500                         }
 501                         break;
 502
 503                 case HID_UP_LOGIVENDOR: /* Reported on Logitech Ultra X Media Remote */
 504
 505                         set_bit(EV_REP, input->evbit);
 506                         switch(usage->hid & HID_USAGE) {
 507                                 case 0x004: map_key_clear(KEY_AGAIN);           break;
 508                                 case 0x00d: map_key_clear(KEY_HOME);            break;
 509                                 case 0x024: map_key_clear(KEY_SHUFFLE);         break;
 510                                 case 0x025: map_key_clear(KEY_TV);              break;
 511                                 case 0x026: map_key_clear(KEY_MENU);            break;
 512                                 case 0x031: map_key_clear(KEY_AUDIO);           break;
 513                                 case 0x032: map_key_clear(KEY_TEXT);            break;
 514                                 case 0x033: map_key_clear(KEY_LAST);            break;
 515                                 case 0x047: map_key_clear(KEY_MP3);             break;
 516                                 case 0x048: map_key_clear(KEY_DVD);             break;
 517                                 case 0x049: map_key_clear(KEY_MEDIA);           break;
 518                                 case 0x04a: map_key_clear(KEY_VIDEO);           break;
 519                                 case 0x04b: map_key_clear(KEY_ANGLE);           break;
 520                                 case 0x04c: map_key_clear(KEY_LANGUAGE);        break;
 521                                 case 0x04d: map_key_clear(KEY_SUBTITLE);        break;
 522                                 case 0x051: map_key_clear(KEY_RED);             break;
 523                                 case 0x052: map_key_clear(KEY_CLOSE);           break;
 524                                 default:    goto ignore;
 525                         }
 526                         break;
 527
 528                 case HID_UP_PID:
 529
 530                         set_bit(EV_FF, input->evbit);
 531                         switch(usage->hid & HID_USAGE) {
 532                                 case 0x26: map_ff_effect(FF_CONSTANT);  goto ignore;
 533                                 case 0x27: map_ff_effect(FF_RAMP);      goto ignore;
 534                                 case 0x28: map_ff_effect(FF_CUSTOM);    goto ignore;
 535                                 case 0x30: map_ff_effect(FF_SQUARE);    map_ff_effect(FF_PERIODIC); goto ignore;
 536                                 case 0x31: map_ff_effect(FF_SINE);      map_ff_effect(FF_PERIODIC); goto ignore;
 537                                 case 0x32: map_ff_effect(FF_TRIANGLE);  map_ff_effect(FF_PERIODIC); goto ignore;
 538                                 case 0x33: map_ff_effect(FF_SAW_UP);    map_ff_effect(FF_PERIODIC); goto ignore;
 539                                 case 0x34: map_ff_effect(FF_SAW_DOWN);  map_ff_effect(FF_PERIODIC); goto ignore;
 540                                 case 0x40: map_ff_effect(FF_SPRING);    goto ignore;
 541                                 case 0x41: map_ff_effect(FF_DAMPER);    goto ignore;
 542                                 case 0x42: map_ff_effect(FF_INERTIA);   goto ignore;
 543                                 case 0x43: map_ff_effect(FF_FRICTION);  goto ignore;
 544                                 case 0x7e: map_ff(FF_GAIN);             break;
 545                                 case 0x83: input->ff_effects_max = field->value[0]; goto ignore;
 546                                 case 0x98: map_ff(FF_AUTOCENTER);       break;
 547                                 case 0xa4: map_key_clear(BTN_DEAD);     break;
 548                                 default: goto ignore;
 549                         }
 550                         break;
 551
 552                 default:
 553                 unknown:
 554                         if (field->report_size == 1) {
 555                                 if (field->report->type == HID_OUTPUT_REPORT) {
 556                                         map_led(LED_MISC);
 557                                         break;
 558                                 }
 559                                 map_key(BTN_MISC);
 560                                 break;
 561                         }
 562                         if (field->flags & HID_MAIN_ITEM_RELATIVE) {
 563                                 map_rel(REL_MISC);
 564                                 break;
 565                         }
 566                         map_abs(ABS_MISC);
 567                         break;
 568         }
 569
 570         set_bit(usage->type, input->evbit);
 571
 572         while (usage->code <= max && test_and_set_bit(usage->code, bit))
 573                 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
 574
 575         if (usage->code > max)
 576                 goto ignore;
 577
 578         if (((device->quirks & (HID_QUIRK_2WHEEL_POWERMOUSE)) && (usage->hid == 0x00010032)))
 579                 map_rel(REL_HWHEEL);
 580
 581         if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
 582                  (usage->type == EV_REL) && (usage->code == REL_WHEEL))
 583                         set_bit(REL_HWHEEL, bit);
 584
 585         if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
 586                 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
 587                 goto ignore;
 588
 589         if (usage->type == EV_ABS) {
 590
 591                 int a = field->logical_minimum;
 592                 int b = field->logical_maximum;
 593
 594                 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
 595                         a = field->logical_minimum = 0;
 596                         b = field->logical_maximum = 255;
 597                 }
 598
 599                 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
 600                         input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
 601                 else    input_set_abs_params(input, usage->code, a, b, 0, 0);
 602
 603         }
 604
 605         if (usage->hat_min < usage->hat_max || usage->hat_dir) {
 606                 int i;
 607                 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
 608                         input_set_abs_params(input, i, -1, 1, 0, 0);
 609                         set_bit(i, input->absbit);
 610                 }
 611                 if (usage->hat_dir && !field->dpad)
 612                         field->dpad = usage->code;
 613         }
 614
 615 #ifdef DEBUG
 616         resolv_event(usage->type, usage->code);
 617         printk("\n");
 618 #endif
 619         return;
 620
 621 ignore:
 622 #ifdef DEBUG
 623         printk("IGNORED\n");
 624 #endif
 625         return;
 626 }
 627
 628 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value, struct pt_regs *regs)
 629 {
 630         struct input_dev *input;
 631         int *quirks = &hid->quirks;
 632
 633         if (!field->hidinput)
 634                 return;
 635
 636         input = field->hidinput->input;
 637
 638         input_regs(input, regs);
 639
 640         if (!usage->type)
 641                 return;
 642
 643         if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
 644                 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
 645                 if (value) hid->quirks |=  HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
 646                 else       hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
 647                 return;
 648         }
 649
 650         if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
 651                 input_event(input, usage->type, REL_HWHEEL, value);
 652                 return;
 653         }
 654
 655         if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value))
 656                 return;
 657
 658         if (usage->hat_min < usage->hat_max || usage->hat_dir) {
 659                 int hat_dir = usage->hat_dir;
 660                 if (!hat_dir)
 661                         hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
 662                 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
 663                 input_event(input, usage->type, usage->code    , hid_hat_to_axis[hat_dir].x);
 664                 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
 665                 return;
 666         }
 667
 668         if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
 669                 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
 670                 return;
 671         }
 672
 673         if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
 674                 if (value) {
 675                         input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
 676                         return;
 677                 }
 678                 input_event(input, usage->type, usage->code, 0);
 679                 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
 680                 return;
 681         }
 682
 683         if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
 684                 int a = field->logical_minimum;
 685                 int b = field->logical_maximum;
 686                 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
 687         }
 688
 689         if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
 690                 input->ff_effects_max = value;
 691                 dbg("Maximum Effects - %d",input->ff_effects_max);
 692                 return;
 693         }
 694
 695         if (usage->hid == (HID_UP_PID | 0x7fUL)) {
 696                 dbg("PID Pool Report\n");
 697                 return;
 698         }
 699
 700         if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
 701                 return;
 702
 703         input_event(input, usage->type, usage->code, value);
 704
 705         if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
 706                 input_event(input, usage->type, usage->code, 0);
 707 }
 708
 709 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
 710 {
 711         struct hid_input *hidinput;
 712
 713         list_for_each_entry(hidinput, &hid->inputs, list)
 714                 input_sync(hidinput->input);
 715 }
 716
 717 static int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
 718 {
 719         struct hid_report *report;
 720         int i, j;
 721
 722         list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
 723                 for (i = 0; i < report->maxfield; i++) {
 724                         *field = report->field[i];
 725                         for (j = 0; j < (*field)->maxusage; j++)
 726                                 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
 727                                         return j;
 728                 }
 729         }
 730         return -1;
 731 }
 732
 733 static int hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
 734 {
 735         struct hid_device *hid = dev->private;
 736         struct hid_field *field;
 737         int offset;
 738
 739         if (type == EV_FF)
 740                 return hid_ff_event(hid, dev, type, code, value);
 741
 742         if (type != EV_LED)
 743                 return -1;
 744
 745         if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) {
 746                 warn("event field not found");
 747                 return -1;
 748         }
 749
 750         hid_set_field(field, offset, value);
 751         hid_submit_report(hid, field->report, USB_DIR_OUT);
 752
 753         return 0;
 754 }
 755
 756 static int hidinput_open(struct input_dev *dev)
 757 {
 758         struct hid_device *hid = dev->private;
 759         return hid_open(hid);
 760 }
 761
 762 static void hidinput_close(struct input_dev *dev)
 763 {
 764         struct hid_device *hid = dev->private;
 765         hid_close(hid);
 766 }
 767
 768 /*
 769  * Register the input device; print a message.
 770  * Configure the input layer interface
 771  * Read all reports and initialize the absolute field values.
 772  */
 773
 774 int hidinput_connect(struct hid_device *hid)
 775 {
 776         struct usb_device *dev = hid->dev;
 777         struct hid_report *report;
 778         struct hid_input *hidinput = NULL;
 779         struct input_dev *input_dev;
 780         int i, j, k;
 781
 782         INIT_LIST_HEAD(&hid->inputs);
 783
 784         for (i = 0; i < hid->maxcollection; i++)
 785                 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
 786                     hid->collection[i].type == HID_COLLECTION_PHYSICAL)
 787                         if (IS_INPUT_APPLICATION(hid->collection[i].usage))
 788                                 break;
 789
 790         if (i == hid->maxcollection)
 791                 return -1;
 792
 793         for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++)
 794                 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
 795
 796                         if (!report->maxfield)
 797                                 continue;
 798
 799                         if (!hidinput) {
 800                                 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
 801                                 input_dev = input_allocate_device();
 802                                 if (!hidinput || !input_dev) {
 803                                         kfree(hidinput);
 804                                         input_free_device(input_dev);
 805                                         err("Out of memory during hid input probe");
 806                                         return -1;
 807                                 }
 808
 809                                 input_dev->private = hid;
 810                                 input_dev->event = hidinput_input_event;
 811                                 input_dev->open = hidinput_open;
 812                                 input_dev->close = hidinput_close;
 813
 814                                 input_dev->name = hid->name;
 815                                 input_dev->phys = hid->phys;
 816                                 input_dev->uniq = hid->uniq;
 817                                 usb_to_input_id(dev, &input_dev->id);
 818                                 input_dev->cdev.dev = &hid->intf->dev;
 819
 820                                 hidinput->input = input_dev;
 821                                 list_add_tail(&hidinput->list, &hid->inputs);
 822                         }
 823
 824                         for (i = 0; i < report->maxfield; i++)
 825                                 for (j = 0; j < report->field[i]->maxusage; j++)
 826                                         hidinput_configure_usage(hidinput, report->field[i],
 827                                                                  report->field[i]->usage + j);
 828
 829                         if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
 830                                 /* This will leave hidinput NULL, so that it
 831                                  * allocates another one if we have more inputs on
 832                                  * the same interface. Some devices (e.g. Happ's
 833                                  * UGCI) cram a lot of unrelated inputs into the
 834                                  * same interface. */
 835                                 hidinput->report = report;
 836                                 input_register_device(hidinput->input);
 837                                 hidinput = NULL;
 838                         }
 839                 }
 840
 841         /* This only gets called when we are a single-input (most of the
 842          * time). IOW, not a HID_QUIRK_MULTI_INPUT. The hid_ff_init() is
 843          * only useful in this case, and not for multi-input quirks. */
 844         if (hidinput) {
 845                 hid_ff_init(hid);
 846                 input_register_device(hidinput->input);
 847         }
 848
 849         return 0;
 850 }
 851
 852 void hidinput_disconnect(struct hid_device *hid)
 853 {
 854         struct hid_input *hidinput, *next;
 855
 856         list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
 857                 list_del(&hidinput->list);
 858                 input_unregister_device(hidinput->input);
 859                 kfree(hidinput);
 860         }
 861 }