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) 2006-2007 Jiri Kosina
   6  *
   7  *  HID to Linux Input mapping
   8  */
   9
  10 /*
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  24  *
  25  * Should you need to contact me, the author, you can do so either by
  26  * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
  27  * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
  28  */
  29
  30 #include <linux/module.h>
  31 #include <linux/slab.h>
  32 #include <linux/kernel.h>
  33
  34 #include <linux/hid.h>
  35 #include <linux/hid-debug.h>
  36
  37 static int hid_apple_fnmode = 1;
  38 module_param_named(pb_fnmode, hid_apple_fnmode, int, 0644);
  39 MODULE_PARM_DESC(pb_fnmode,
  40                 "Mode of fn key on Apple keyboards (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
  41
  42 #define unk     KEY_UNKNOWN
  43
  44 static const unsigned char hid_keyboard[256] = {
  45           0,  0,  0,  0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
  46          50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44,  2,  3,
  47           4,  5,  6,  7,  8,  9, 10, 11, 28,  1, 14, 15, 57, 12, 13, 26,
  48          27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
  49          65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
  50         105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
  51          72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
  52         191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
  53         115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
  54         122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
  55         unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
  56         unk,unk,unk,unk,unk,unk,179,180,unk,unk,unk,unk,unk,unk,unk,unk,
  57         unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
  58         unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
  59          29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
  60         150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
  61 };
  62
  63 /* extended mapping for certain Logitech hardware (Logitech cordless desktop LX500) */
  64 #define LOGITECH_EXPANDED_KEYMAP_SIZE 80
  65 static int logitech_expanded_keymap[LOGITECH_EXPANDED_KEYMAP_SIZE] = {
  66           0,216,  0,213,175,156,  0,  0,  0,  0,
  67         144,  0,  0,  0,  0,  0,  0,  0,  0,212,
  68         174,167,152,161,112,  0,  0,  0,154,  0,
  69           0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
  70           0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
  71           0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
  72           0,  0,  0,  0,  0,183,184,185,186,187,
  73         188,189,190,191,192,193,194,  0,  0,  0
  74 };
  75
  76 static const struct {
  77         __s32 x;
  78         __s32 y;
  79 }  hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
  80
  81 #define map_abs(c)      do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
  82 #define map_rel(c)      do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
  83 #define map_key(c)      do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
  84 #define map_led(c)      do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
  85
  86 #define map_abs_clear(c)        do { map_abs(c); clear_bit(c, bit); } while (0)
  87 #define map_key_clear(c)        do { map_key(c); clear_bit(c, bit); } while (0)
  88
  89 /* hardware needing special handling due to colliding MSVENDOR page usages */
  90 #define IS_CHICONY_TACTICAL_PAD(x) (x->vendor == 0x04f2 && device->product == 0x0418)
  91 #define IS_MS_KB(x) (x->vendor == 0x045e && (x->product == 0x00db || x->product == 0x00f9))
  92 #define IS_MS_PRESENTER_8000(x) (x->vendor == 0x045e && x->product == 0x0713)
  93
  94 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK
  95
  96 struct hidinput_key_translation {
  97         u16 from;
  98         u16 to;
  99         u8 flags;
 100 };
 101
 102 #define APPLE_FLAG_FKEY 0x01
 103
 104 static struct hidinput_key_translation apple_fn_keys[] = {
 105         { KEY_F1,       KEY_BRIGHTNESSDOWN,     APPLE_FLAG_FKEY },
 106         { KEY_F2,       KEY_BRIGHTNESSUP,       APPLE_FLAG_FKEY },
 107         { KEY_F3,       KEY_CYCLEWINDOWS,       APPLE_FLAG_FKEY }, /* Exposé */
 108         { KEY_F4,       KEY_FN_F4,              APPLE_FLAG_FKEY }, /* Dashboard */
 109         { KEY_F5,       KEY_FN_F5 },
 110         { KEY_F6,       KEY_FN_F6 },
 111         { KEY_F7,       KEY_BACK,               APPLE_FLAG_FKEY },
 112         { KEY_F8,       KEY_PLAYPAUSE,          APPLE_FLAG_FKEY },
 113         { KEY_F9,       KEY_FORWARD,            APPLE_FLAG_FKEY },
 114         { KEY_F10,      KEY_MUTE,               APPLE_FLAG_FKEY },
 115         { KEY_F11,      KEY_VOLUMEDOWN,         APPLE_FLAG_FKEY },
 116         { KEY_F12,      KEY_VOLUMEUP,           APPLE_FLAG_FKEY },
 117         { }
 118 };
 119
 120 static struct hidinput_key_translation powerbook_fn_keys[] = {
 121         { KEY_BACKSPACE, KEY_DELETE },
 122         { KEY_F1,       KEY_BRIGHTNESSDOWN,     APPLE_FLAG_FKEY },
 123         { KEY_F2,       KEY_BRIGHTNESSUP,       APPLE_FLAG_FKEY },
 124         { KEY_F3,       KEY_MUTE,               APPLE_FLAG_FKEY },
 125         { KEY_F4,       KEY_VOLUMEDOWN,         APPLE_FLAG_FKEY },
 126         { KEY_F5,       KEY_VOLUMEUP,           APPLE_FLAG_FKEY },
 127         { KEY_F6,       KEY_NUMLOCK,            APPLE_FLAG_FKEY },
 128         { KEY_F7,       KEY_SWITCHVIDEOMODE,    APPLE_FLAG_FKEY },
 129         { KEY_F8,       KEY_KBDILLUMTOGGLE,     APPLE_FLAG_FKEY },
 130         { KEY_F9,       KEY_KBDILLUMDOWN,       APPLE_FLAG_FKEY },
 131         { KEY_F10,      KEY_KBDILLUMUP,         APPLE_FLAG_FKEY },
 132         { KEY_UP,       KEY_PAGEUP },
 133         { KEY_DOWN,     KEY_PAGEDOWN },
 134         { KEY_LEFT,     KEY_HOME },
 135         { KEY_RIGHT,    KEY_END },
 136         { }
 137 };
 138
 139 static struct hidinput_key_translation powerbook_numlock_keys[] = {
 140         { KEY_J,        KEY_KP1 },
 141         { KEY_K,        KEY_KP2 },
 142         { KEY_L,        KEY_KP3 },
 143         { KEY_U,        KEY_KP4 },
 144         { KEY_I,        KEY_KP5 },
 145         { KEY_O,        KEY_KP6 },
 146         { KEY_7,        KEY_KP7 },
 147         { KEY_8,        KEY_KP8 },
 148         { KEY_9,        KEY_KP9 },
 149         { KEY_M,        KEY_KP0 },
 150         { KEY_DOT,      KEY_KPDOT },
 151         { KEY_SLASH,    KEY_KPPLUS },
 152         { KEY_SEMICOLON, KEY_KPMINUS },
 153         { KEY_P,        KEY_KPASTERISK },
 154         { KEY_MINUS,    KEY_KPEQUAL },
 155         { KEY_0,        KEY_KPSLASH },
 156         { KEY_F6,       KEY_NUMLOCK },
 157         { KEY_KPENTER,  KEY_KPENTER },
 158         { KEY_BACKSPACE, KEY_BACKSPACE },
 159         { }
 160 };
 161
 162 static struct hidinput_key_translation apple_iso_keyboard[] = {
 163         { KEY_GRAVE,    KEY_102ND },
 164         { KEY_102ND,    KEY_GRAVE },
 165         { }
 166 };
 167
 168 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
 169 {
 170         struct hidinput_key_translation *trans;
 171
 172         /* Look for the translation */
 173         for (trans = table; trans->from; trans++)
 174                 if (trans->from == from)
 175                         return trans;
 176
 177         return NULL;
 178 }
 179
 180 static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
 181                 struct hid_usage *usage, __s32 value)
 182 {
 183         struct hidinput_key_translation *trans;
 184
 185         if (usage->code == KEY_FN) {
 186                 if (value) hid->quirks |=  HID_QUIRK_APPLE_FN_ON;
 187                 else       hid->quirks &= ~HID_QUIRK_APPLE_FN_ON;
 188
 189                 input_event(input, usage->type, usage->code, value);
 190
 191                 return 1;
 192         }
 193
 194         if (hid_apple_fnmode) {
 195                 int do_translate;
 196
 197                 trans = find_translation((hid->product < 0x220 ||
 198                                           hid->product >= 0x300) ?
 199                                          powerbook_fn_keys : apple_fn_keys,
 200                                          usage->code);
 201                 if (trans) {
 202                         if (test_bit(usage->code, hid->apple_pressed_fn))
 203                                 do_translate = 1;
 204                         else if (trans->flags & APPLE_FLAG_FKEY)
 205                                 do_translate =
 206                                         (hid_apple_fnmode == 2 &&  (hid->quirks & HID_QUIRK_APPLE_FN_ON)) ||
 207                                         (hid_apple_fnmode == 1 && !(hid->quirks & HID_QUIRK_APPLE_FN_ON));
 208                         else
 209                                 do_translate = (hid->quirks & HID_QUIRK_APPLE_FN_ON);
 210
 211                         if (do_translate) {
 212                                 if (value)
 213                                         set_bit(usage->code, hid->apple_pressed_fn);
 214                                 else
 215                                         clear_bit(usage->code, hid->apple_pressed_fn);
 216
 217                                 input_event(input, usage->type, trans->to, value);
 218
 219                                 return 1;
 220                         }
 221                 }
 222
 223                 if (test_bit(usage->code, hid->pb_pressed_numlock) ||
 224                                 test_bit(LED_NUML, input->led)) {
 225                         trans = find_translation(powerbook_numlock_keys, usage->code);
 226
 227                         if (trans) {
 228                                 if (value)
 229                                         set_bit(usage->code, hid->pb_pressed_numlock);
 230                                 else
 231                                         clear_bit(usage->code, hid->pb_pressed_numlock);
 232
 233                                 input_event(input, usage->type, trans->to, value);
 234                         }
 235
 236                         return 1;
 237                 }
 238         }
 239
 240         if (hid->quirks & HID_QUIRK_APPLE_ISO_KEYBOARD) {
 241                 trans = find_translation(apple_iso_keyboard, usage->code);
 242                 if (trans) {
 243                         input_event(input, usage->type, trans->to, value);
 244                         return 1;
 245                 }
 246         }
 247
 248         return 0;
 249 }
 250
 251 static void hidinput_apple_setup(struct input_dev *input)
 252 {
 253         struct hidinput_key_translation *trans;
 254
 255         set_bit(KEY_NUMLOCK, input->keybit);
 256
 257         /* Enable all needed keys */
 258         for (trans = apple_fn_keys; trans->from; trans++)
 259                 set_bit(trans->to, input->keybit);
 260
 261         for (trans = powerbook_fn_keys; trans->from; trans++)
 262                 set_bit(trans->to, input->keybit);
 263
 264         for (trans = powerbook_numlock_keys; trans->from; trans++)
 265                 set_bit(trans->to, input->keybit);
 266
 267         for (trans = apple_iso_keyboard; trans->from; trans++)
 268                 set_bit(trans->to, input->keybit);
 269
 270 }
 271 #else
 272 static inline int hidinput_apple_event(struct hid_device *hid,
 273                                        struct input_dev *input,
 274                                        struct hid_usage *usage, __s32 value)
 275 {
 276         return 0;
 277 }
 278
 279 static inline void hidinput_apple_setup(struct input_dev *input)
 280 {
 281 }
 282 #endif
 283
 284 static inline int match_scancode(int code, int scancode)
 285 {
 286         if (scancode == 0)
 287                 return 1;
 288         return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode);
 289 }
 290
 291 static inline int match_keycode(int code, int keycode)
 292 {
 293         if (keycode == 0)
 294                 return 1;
 295         return (code == keycode);
 296 }
 297
 298 static struct hid_usage *hidinput_find_key(struct hid_device *hid,
 299                 int scancode, int keycode)
 300 {
 301         int i, j, k;
 302         struct hid_report *report;
 303         struct hid_usage *usage;
 304
 305         for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
 306                 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
 307                         for (i = 0; i < report->maxfield; i++) {
 308                                 for ( j = 0; j < report->field[i]->maxusage; j++) {
 309                                         usage = report->field[i]->usage + j;
 310                                         if (usage->type == EV_KEY &&
 311                                                 match_scancode(usage->hid, scancode) &&
 312                                                 match_keycode(usage->code, keycode))
 313                                                 return usage;
 314                                 }
 315                         }
 316                 }
 317         }
 318         return NULL;
 319 }
 320
 321 static int hidinput_getkeycode(struct input_dev *dev, int scancode,
 322                                 int *keycode)
 323 {
 324         struct hid_device *hid = input_get_drvdata(dev);
 325         struct hid_usage *usage;
 326
 327         usage = hidinput_find_key(hid, scancode, 0);
 328         if (usage) {
 329                 *keycode = usage->code;
 330                 return 0;
 331         }
 332         return -EINVAL;
 333 }
 334
 335 static int hidinput_setkeycode(struct input_dev *dev, int scancode,
 336                                 int keycode)
 337 {
 338         struct hid_device *hid = input_get_drvdata(dev);
 339         struct hid_usage *usage;
 340         int old_keycode;
 341
 342         if (keycode < 0 || keycode > KEY_MAX)
 343                 return -EINVAL;
 344
 345         usage = hidinput_find_key(hid, scancode, 0);
 346         if (usage) {
 347                 old_keycode = usage->code;
 348                 usage->code = keycode;
 349
 350                 clear_bit(old_keycode, dev->keybit);
 351                 set_bit(usage->code, dev->keybit);
 352                 dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode);
 353                 /* Set the keybit for the old keycode if the old keycode is used
 354                  * by another key */
 355                 if (hidinput_find_key (hid, 0, old_keycode))
 356                         set_bit(old_keycode, dev->keybit);
 357
 358                 return 0;
 359         }
 360
 361         return -EINVAL;
 362 }
 363
 364
 365 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
 366                                      struct hid_usage *usage)
 367 {
 368         struct input_dev *input = hidinput->input;
 369         struct hid_device *device = input_get_drvdata(input);
 370         int max = 0, code;
 371         unsigned long *bit = NULL;
 372
 373         field->hidinput = hidinput;
 374
 375         dbg_hid("Mapping: ");
 376         hid_resolv_usage(usage->hid);
 377         dbg_hid_line(" ---> ");
 378
 379         if (field->flags & HID_MAIN_ITEM_CONSTANT)
 380                 goto ignore;
 381
 382         /* only LED usages are supported in output fields */
 383         if (field->report_type == HID_OUTPUT_REPORT &&
 384                         (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
 385                 dbg_hid_line(" [non-LED output field] ");
 386                 goto ignore;
 387         }
 388
 389         switch (usage->hid & HID_USAGE_PAGE) {
 390
 391                 case HID_UP_UNDEFINED:
 392                         goto ignore;
 393
 394                 case HID_UP_KEYBOARD:
 395
 396                         set_bit(EV_REP, input->evbit);
 397
 398                         if ((usage->hid & HID_USAGE) < 256) {
 399                                 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
 400                                 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
 401                         } else
 402                                 map_key(KEY_UNKNOWN);
 403
 404                         break;
 405
 406                 case HID_UP_BUTTON:
 407
 408                         code = ((usage->hid - 1) & 0xf);
 409
 410                         switch (field->application) {
 411                                 case HID_GD_MOUSE:
 412                                 case HID_GD_POINTER:  code += 0x110; break;
 413                                 case HID_GD_JOYSTICK: code += 0x120; break;
 414                                 case HID_GD_GAMEPAD:  code += 0x130; break;
 415                                 default:
 416                                         switch (field->physical) {
 417                                                 case HID_GD_MOUSE:
 418                                                 case HID_GD_POINTER:  code += 0x110; break;
 419                                                 case HID_GD_JOYSTICK: code += 0x120; break;
 420                                                 case HID_GD_GAMEPAD:  code += 0x130; break;
 421                                                 default:              code += 0x100;
 422                                         }
 423                         }
 424
 425                         /* Special handling for Logitech Cordless Desktop */
 426                         if (field->application != HID_GD_MOUSE) {
 427                                 if (device->quirks & HID_QUIRK_LOGITECH_EXPANDED_KEYMAP) {
 428                                         int hid = usage->hid & HID_USAGE;
 429                                         if (hid < LOGITECH_EXPANDED_KEYMAP_SIZE && logitech_expanded_keymap[hid] != 0)
 430                                                 code = logitech_expanded_keymap[hid];
 431                                 }
 432                         } else {
 433                                 if (device->quirks & HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL) {
 434                                         int hid = usage->hid & HID_USAGE;
 435                                         if (hid == 7 || hid == 8)
 436                                                 goto ignore;
 437                                 }
 438                         }
 439
 440                         map_key(code);
 441                         break;
 442
 443
 444                 case HID_UP_SIMULATION:
 445
 446                         switch (usage->hid & 0xffff) {
 447                                 case 0xba: map_abs(ABS_RUDDER);   break;
 448                                 case 0xbb: map_abs(ABS_THROTTLE); break;
 449                                 case 0xc4: map_abs(ABS_GAS);      break;
 450                                 case 0xc5: map_abs(ABS_BRAKE);    break;
 451                                 case 0xc8: map_abs(ABS_WHEEL);    break;
 452                                 default:   goto ignore;
 453                         }
 454                         break;
 455
 456                 case HID_UP_GENDESK:
 457
 458                         if ((usage->hid & 0xf0) == 0x80) {      /* SystemControl */
 459                                 switch (usage->hid & 0xf) {
 460                                         case 0x1: map_key_clear(KEY_POWER);  break;
 461                                         case 0x2: map_key_clear(KEY_SLEEP);  break;
 462                                         case 0x3: map_key_clear(KEY_WAKEUP); break;
 463                                         default: goto unknown;
 464                                 }
 465                                 break;
 466                         }
 467
 468                         if ((usage->hid & 0xf0) == 0x90) {      /* D-pad */
 469                                 switch (usage->hid) {
 470                                         case HID_GD_UP:    usage->hat_dir = 1; break;
 471                                         case HID_GD_DOWN:  usage->hat_dir = 5; break;
 472                                         case HID_GD_RIGHT: usage->hat_dir = 3; break;
 473                                         case HID_GD_LEFT:  usage->hat_dir = 7; break;
 474                                         default: goto unknown;
 475                                 }
 476                                 if (field->dpad) {
 477                                         map_abs(field->dpad);
 478                                         goto ignore;
 479                                 }
 480                                 map_abs(ABS_HAT0X);
 481                                 break;
 482                         }
 483
 484                         switch (usage->hid) {
 485
 486                                 /* These usage IDs map directly to the usage codes. */
 487                                 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
 488                                 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
 489                                 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
 490                                         if (field->flags & HID_MAIN_ITEM_RELATIVE)
 491                                                 map_rel(usage->hid & 0xf);
 492                                         else
 493                                                 map_abs(usage->hid & 0xf);
 494                                         break;
 495
 496                                 case HID_GD_HATSWITCH:
 497                                         usage->hat_min = field->logical_minimum;
 498                                         usage->hat_max = field->logical_maximum;
 499                                         map_abs(ABS_HAT0X);
 500                                         break;
 501
 502                                 case HID_GD_START:      map_key_clear(BTN_START);       break;
 503                                 case HID_GD_SELECT:     map_key_clear(BTN_SELECT);      break;
 504
 505                                 default: goto unknown;
 506                         }
 507
 508                         break;
 509
 510                 case HID_UP_LED:
 511
 512                         switch (usage->hid & 0xffff) {                        /* HID-Value:                   */
 513                                 case 0x01:  map_led (LED_NUML);     break;    /*   "Num Lock"                 */
 514                                 case 0x02:  map_led (LED_CAPSL);    break;    /*   "Caps Lock"                */
 515                                 case 0x03:  map_led (LED_SCROLLL);  break;    /*   "Scroll Lock"              */
 516                                 case 0x04:  map_led (LED_COMPOSE);  break;    /*   "Compose"                  */
 517                                 case 0x05:  map_led (LED_KANA);     break;    /*   "Kana"                     */
 518                                 case 0x27:  map_led (LED_SLEEP);    break;    /*   "Stand-By"                 */
 519                                 case 0x4c:  map_led (LED_SUSPEND);  break;    /*   "System Suspend"           */
 520                                 case 0x09:  map_led (LED_MUTE);     break;    /*   "Mute"                     */
 521                                 case 0x4b:  map_led (LED_MISC);     break;    /*   "Generic Indicator"        */
 522                                 case 0x19:  map_led (LED_MAIL);     break;    /*   "Message Waiting"          */
 523                                 case 0x4d:  map_led (LED_CHARGING); break;    /*   "External Power Connected" */
 524
 525                                 default: goto ignore;
 526                         }
 527                         break;
 528
 529                 case HID_UP_DIGITIZER:
 530
 531                         switch (usage->hid & 0xff) {
 532
 533                                 case 0x30: /* TipPressure */
 534                                         if (!test_bit(BTN_TOUCH, input->keybit)) {
 535                                                 device->quirks |= HID_QUIRK_NOTOUCH;
 536                                                 set_bit(EV_KEY, input->evbit);
 537                                                 set_bit(BTN_TOUCH, input->keybit);
 538                                         }
 539
 540                                         map_abs_clear(ABS_PRESSURE);
 541                                         break;
 542
 543                                 case 0x32: /* InRange */
 544                                         switch (field->physical & 0xff) {
 545                                                 case 0x21: map_key(BTN_TOOL_MOUSE); break;
 546                                                 case 0x22: map_key(BTN_TOOL_FINGER); break;
 547                                                 default: map_key(BTN_TOOL_PEN); break;
 548                                         }
 549                                         break;
 550
 551                                 case 0x3c: /* Invert */
 552                                         map_key_clear(BTN_TOOL_RUBBER);
 553                                         break;
 554
 555                                 case 0x33: /* Touch */
 556                                 case 0x42: /* TipSwitch */
 557                                 case 0x43: /* TipSwitch2 */
 558                                         device->quirks &= ~HID_QUIRK_NOTOUCH;
 559                                         map_key_clear(BTN_TOUCH);
 560                                         break;
 561
 562                                 case 0x44: /* BarrelSwitch */
 563                                         map_key_clear(BTN_STYLUS);
 564                                         break;
 565
 566                                 default:  goto unknown;
 567                         }
 568                         break;
 569
 570                 case HID_UP_CONSUMER:   /* USB HUT v1.1, pages 56-62 */
 571
 572                         switch (usage->hid & HID_USAGE) {
 573                                 case 0x000: goto ignore;
 574                                 case 0x034: map_key_clear(KEY_SLEEP);           break;
 575                                 case 0x036: map_key_clear(BTN_MISC);            break;
 576                                 /*
 577                                  * The next three are reported by Belkin wireless
 578                                  * keyboard (1020:0006). These values are "reserved"
 579                                  * in HUT 1.12.
 580                                  */
 581                                 case 0x03a: map_key_clear(KEY_SOUND);           break;
 582                                 case 0x03b: map_key_clear(KEY_CAMERA);          break;
 583                                 case 0x03c: map_key_clear(KEY_DOCUMENTS);       break;
 584
 585                                 case 0x040: map_key_clear(KEY_MENU);            break;
 586                                 case 0x045: map_key_clear(KEY_RADIO);           break;
 587
 588                                 case 0x083: map_key_clear(KEY_LAST);            break;
 589                                 case 0x088: map_key_clear(KEY_PC);              break;
 590                                 case 0x089: map_key_clear(KEY_TV);              break;
 591                                 case 0x08a: map_key_clear(KEY_WWW);             break;
 592                                 case 0x08b: map_key_clear(KEY_DVD);             break;
 593                                 case 0x08c: map_key_clear(KEY_PHONE);           break;
 594                                 case 0x08d: map_key_clear(KEY_PROGRAM);         break;
 595                                 case 0x08e: map_key_clear(KEY_VIDEOPHONE);      break;
 596                                 case 0x08f: map_key_clear(KEY_GAMES);           break;
 597                                 case 0x090: map_key_clear(KEY_MEMO);            break;
 598                                 case 0x091: map_key_clear(KEY_CD);              break;
 599                                 case 0x092: map_key_clear(KEY_VCR);             break;
 600                                 case 0x093: map_key_clear(KEY_TUNER);           break;
 601                                 case 0x094: map_key_clear(KEY_EXIT);            break;
 602                                 case 0x095: map_key_clear(KEY_HELP);            break;
 603                                 case 0x096: map_key_clear(KEY_TAPE);            break;
 604                                 case 0x097: map_key_clear(KEY_TV2);             break;
 605                                 case 0x098: map_key_clear(KEY_SAT);             break;
 606                                 case 0x09a: map_key_clear(KEY_PVR);             break;
 607
 608                                 case 0x09c: map_key_clear(KEY_CHANNELUP);       break;
 609                                 case 0x09d: map_key_clear(KEY_CHANNELDOWN);     break;
 610                                 case 0x0a0: map_key_clear(KEY_VCR2);            break;
 611
 612                                 case 0x0b0: map_key_clear(KEY_PLAY);            break;
 613                                 case 0x0b1: map_key_clear(KEY_PAUSE);           break;
 614                                 case 0x0b2: map_key_clear(KEY_RECORD);          break;
 615                                 case 0x0b3: map_key_clear(KEY_FASTFORWARD);     break;
 616                                 case 0x0b4: map_key_clear(KEY_REWIND);          break;
 617                                 case 0x0b5: map_key_clear(KEY_NEXTSONG);        break;
 618                                 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG);    break;
 619                                 case 0x0b7: map_key_clear(KEY_STOPCD);          break;
 620                                 case 0x0b8: map_key_clear(KEY_EJECTCD);         break;
 621
 622                                 case 0x0cd: map_key_clear(KEY_PLAYPAUSE);       break;
 623                                 case 0x0e0: map_abs_clear(ABS_VOLUME);          break;
 624                                 case 0x0e2: map_key_clear(KEY_MUTE);            break;
 625                                 case 0x0e5: map_key_clear(KEY_BASSBOOST);       break;
 626                                 case 0x0e9: map_key_clear(KEY_VOLUMEUP);        break;
 627                                 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN);      break;
 628
 629                                 /* reserved in HUT 1.12. Reported on Petalynx remote */
 630                                 case 0x0f6: map_key_clear(KEY_NEXT);            break;
 631                                 case 0x0fa: map_key_clear(KEY_BACK);            break;
 632
 633                                 /* reserved in HUT 1.12. Reported on Genius KB29E */
 634                                 case 0x156: map_key_clear(KEY_WORDPROCESSOR);   break;
 635                                 case 0x157: map_key_clear(KEY_SPREADSHEET);     break;
 636                                 case 0x158: map_key_clear(KEY_PRESENTATION);    break;
 637                                 case 0x15c: map_key_clear(KEY_STOP);            break;
 638
 639                                 case 0x182: map_key_clear(KEY_BOOKMARKS);       break;
 640                                 case 0x183: map_key_clear(KEY_CONFIG);          break;
 641                                 case 0x184: map_key_clear(KEY_WORDPROCESSOR);   break;
 642                                 case 0x185: map_key_clear(KEY_EDITOR);          break;
 643                                 case 0x186: map_key_clear(KEY_SPREADSHEET);     break;
 644                                 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR);  break;
 645                                 case 0x188: map_key_clear(KEY_PRESENTATION);    break;
 646                                 case 0x189: map_key_clear(KEY_DATABASE);        break;
 647                                 case 0x18a: map_key_clear(KEY_MAIL);            break;
 648                                 case 0x18b: map_key_clear(KEY_NEWS);            break;
 649                                 case 0x18c: map_key_clear(KEY_VOICEMAIL);       break;
 650                                 case 0x18d: map_key_clear(KEY_ADDRESSBOOK);     break;
 651                                 case 0x18e: map_key_clear(KEY_CALENDAR);        break;
 652                                 case 0x191: map_key_clear(KEY_FINANCE);         break;
 653                                 case 0x192: map_key_clear(KEY_CALC);            break;
 654                                 case 0x194: map_key_clear(KEY_FILE);            break;
 655                                 case 0x196: map_key_clear(KEY_WWW);             break;
 656                                 case 0x19c: map_key_clear(KEY_LOGOFF);          break;
 657                                 case 0x19e: map_key_clear(KEY_COFFEE);          break;
 658                                 case 0x1a6: map_key_clear(KEY_HELP);            break;
 659                                 case 0x1a7: map_key_clear(KEY_DOCUMENTS);       break;
 660                                 case 0x1ab: map_key_clear(KEY_SPELLCHECK);      break;
 661                                 case 0x1b6: map_key_clear(KEY_MEDIA);           break;
 662                                 case 0x1b7: map_key_clear(KEY_SOUND);           break;
 663                                 case 0x1bc: map_key_clear(KEY_MESSENGER);       break;
 664                                 case 0x1bd: map_key_clear(KEY_INFO);            break;
 665                                 case 0x201: map_key_clear(KEY_NEW);             break;
 666                                 case 0x202: map_key_clear(KEY_OPEN);            break;
 667                                 case 0x203: map_key_clear(KEY_CLOSE);           break;
 668                                 case 0x204: map_key_clear(KEY_EXIT);            break;
 669                                 case 0x207: map_key_clear(KEY_SAVE);            break;
 670                                 case 0x208: map_key_clear(KEY_PRINT);           break;
 671                                 case 0x209: map_key_clear(KEY_PROPS);           break;
 672                                 case 0x21a: map_key_clear(KEY_UNDO);            break;
 673                                 case 0x21b: map_key_clear(KEY_COPY);            break;
 674                                 case 0x21c: map_key_clear(KEY_CUT);             break;
 675                                 case 0x21d: map_key_clear(KEY_PASTE);           break;
 676                                 case 0x21f: map_key_clear(KEY_FIND);            break;
 677                                 case 0x221: map_key_clear(KEY_SEARCH);          break;
 678                                 case 0x222: map_key_clear(KEY_GOTO);            break;
 679                                 case 0x223: map_key_clear(KEY_HOMEPAGE);        break;
 680                                 case 0x224: map_key_clear(KEY_BACK);            break;
 681                                 case 0x225: map_key_clear(KEY_FORWARD);         break;
 682                                 case 0x226: map_key_clear(KEY_STOP);            break;
 683                                 case 0x227: map_key_clear(KEY_REFRESH);         break;
 684                                 case 0x22a: map_key_clear(KEY_BOOKMARKS);       break;
 685                                 case 0x22d: map_key_clear(KEY_ZOOMIN);          break;
 686                                 case 0x22e: map_key_clear(KEY_ZOOMOUT);         break;
 687                                 case 0x22f: map_key_clear(KEY_ZOOMRESET);       break;
 688                                 case 0x233: map_key_clear(KEY_SCROLLUP);        break;
 689                                 case 0x234: map_key_clear(KEY_SCROLLDOWN);      break;
 690                                 case 0x238: map_rel(REL_HWHEEL);                break;
 691                                 case 0x25f: map_key_clear(KEY_CANCEL);          break;
 692                                 case 0x279: map_key_clear(KEY_REDO);            break;
 693
 694                                 case 0x289: map_key_clear(KEY_REPLY);           break;
 695                                 case 0x28b: map_key_clear(KEY_FORWARDMAIL);     break;
 696                                 case 0x28c: map_key_clear(KEY_SEND);            break;
 697
 698                                 /* Reported on a Cherry Cymotion keyboard */
 699                                 case 0x301: map_key_clear(KEY_PROG1);           break;
 700                                 case 0x302: map_key_clear(KEY_PROG2);           break;
 701                                 case 0x303: map_key_clear(KEY_PROG3);           break;
 702
 703                                 /* Reported on certain Logitech wireless keyboards */
 704                                 case 0x1001: map_key_clear(KEY_MESSENGER);      break;
 705                                 case 0x1003: map_key_clear(KEY_SOUND);          break;
 706                                 case 0x1004: map_key_clear(KEY_VIDEO);          break;
 707                                 case 0x1005: map_key_clear(KEY_AUDIO);          break;
 708                                 case 0x100a: map_key_clear(KEY_DOCUMENTS);      break;
 709                                 case 0x1011: map_key_clear(KEY_PREVIOUSSONG);   break;
 710                                 case 0x1012: map_key_clear(KEY_NEXTSONG);       break;
 711                                 case 0x1013: map_key_clear(KEY_CAMERA);         break;
 712                                 case 0x1014: map_key_clear(KEY_MESSENGER);      break;
 713                                 case 0x1015: map_key_clear(KEY_RECORD);         break;
 714                                 case 0x1016: map_key_clear(KEY_PLAYER);         break;
 715                                 case 0x1017: map_key_clear(KEY_EJECTCD);        break;
 716                                 case 0x1018: map_key_clear(KEY_MEDIA);          break;
 717                                 case 0x1019: map_key_clear(KEY_PROG1);          break;
 718                                 case 0x101a: map_key_clear(KEY_PROG2);          break;
 719                                 case 0x101b: map_key_clear(KEY_PROG3);          break;
 720                                 case 0x101f: map_key_clear(KEY_ZOOMIN);         break;
 721                                 case 0x1020: map_key_clear(KEY_ZOOMOUT);        break;
 722                                 case 0x1021: map_key_clear(KEY_ZOOMRESET);      break;
 723                                 case 0x1023: map_key_clear(KEY_CLOSE);          break;
 724                                 case 0x1027: map_key_clear(KEY_MENU);           break;
 725                                 /* this one is marked as 'Rotate' */
 726                                 case 0x1028: map_key_clear(KEY_ANGLE);          break;
 727                                 case 0x1029: map_key_clear(KEY_SHUFFLE);        break;
 728                                 case 0x102a: map_key_clear(KEY_BACK);           break;
 729                                 case 0x102b: map_key_clear(KEY_CYCLEWINDOWS);   break;
 730                                 case 0x1041: map_key_clear(KEY_BATTERY);        break;
 731                                 case 0x1042: map_key_clear(KEY_WORDPROCESSOR);  break;
 732                                 case 0x1043: map_key_clear(KEY_SPREADSHEET);    break;
 733                                 case 0x1044: map_key_clear(KEY_PRESENTATION);   break;
 734                                 case 0x1045: map_key_clear(KEY_UNDO);           break;
 735                                 case 0x1046: map_key_clear(KEY_REDO);           break;
 736                                 case 0x1047: map_key_clear(KEY_PRINT);          break;
 737                                 case 0x1048: map_key_clear(KEY_SAVE);           break;
 738                                 case 0x1049: map_key_clear(KEY_PROG1);          break;
 739                                 case 0x104a: map_key_clear(KEY_PROG2);          break;
 740                                 case 0x104b: map_key_clear(KEY_PROG3);          break;
 741                                 case 0x104c: map_key_clear(KEY_PROG4);          break;
 742
 743                                 default:    goto ignore;
 744                         }
 745                         break;
 746
 747                 case HID_UP_HPVENDOR:   /* Reported on a Dutch layout HP5308 */
 748
 749                         set_bit(EV_REP, input->evbit);
 750                         switch (usage->hid & HID_USAGE) {
 751                                 case 0x021: map_key_clear(KEY_PRINT);           break;
 752                                 case 0x070: map_key_clear(KEY_HP);              break;
 753                                 case 0x071: map_key_clear(KEY_CAMERA);          break;
 754                                 case 0x072: map_key_clear(KEY_SOUND);           break;
 755                                 case 0x073: map_key_clear(KEY_QUESTION);        break;
 756                                 case 0x080: map_key_clear(KEY_EMAIL);           break;
 757                                 case 0x081: map_key_clear(KEY_CHAT);            break;
 758                                 case 0x082: map_key_clear(KEY_SEARCH);          break;
 759                                 case 0x083: map_key_clear(KEY_CONNECT);         break;
 760                                 case 0x084: map_key_clear(KEY_FINANCE);         break;
 761                                 case 0x085: map_key_clear(KEY_SPORT);           break;
 762                                 case 0x086: map_key_clear(KEY_SHOP);            break;
 763                                 default:    goto ignore;
 764                         }
 765                         break;
 766
 767                 case HID_UP_MSVENDOR:
 768
 769                         /* Unfortunately, there are multiple devices which
 770                          * emit usages from MSVENDOR page that require different
 771                          * handling. If this list grows too much in the future,
 772                          * more general handling will have to be introduced here
 773                          * (i.e. another blacklist).
 774                          */
 775
 776                         /* Chicony Chicony KU-0418 tactical pad */
 777                         if (IS_CHICONY_TACTICAL_PAD(device)) {
 778                                 set_bit(EV_REP, input->evbit);
 779                                 switch(usage->hid & HID_USAGE) {
 780                                         case 0xff01: map_key_clear(BTN_1);              break;
 781                                         case 0xff02: map_key_clear(BTN_2);              break;
 782                                         case 0xff03: map_key_clear(BTN_3);              break;
 783                                         case 0xff04: map_key_clear(BTN_4);              break;
 784                                         case 0xff05: map_key_clear(BTN_5);              break;
 785                                         case 0xff06: map_key_clear(BTN_6);              break;
 786                                         case 0xff07: map_key_clear(BTN_7);              break;
 787                                         case 0xff08: map_key_clear(BTN_8);              break;
 788                                         case 0xff09: map_key_clear(BTN_9);              break;
 789                                         case 0xff0a: map_key_clear(BTN_A);              break;
 790                                         case 0xff0b: map_key_clear(BTN_B);              break;
 791                                         default:    goto ignore;
 792                                 }
 793
 794                         /* Microsoft Natural Ergonomic Keyboard 4000 */
 795                         } else if (IS_MS_KB(device)) {
 796                                 switch(usage->hid & HID_USAGE) {
 797                                         case 0xfd06:
 798                                                 map_key_clear(KEY_CHAT);
 799                                                 break;
 800                                         case 0xfd07:
 801                                                 map_key_clear(KEY_PHONE);
 802                                                 break;
 803                                         case 0xff05:
 804                                                 set_bit(EV_REP, input->evbit);
 805                                                 map_key_clear(KEY_F13);
 806                                                 set_bit(KEY_F14, input->keybit);
 807                                                 set_bit(KEY_F15, input->keybit);
 808                                                 set_bit(KEY_F16, input->keybit);
 809                                                 set_bit(KEY_F17, input->keybit);
 810                                                 set_bit(KEY_F18, input->keybit);
 811                                         default:        goto ignore;
 812                                 }
 813
 814                         /* Microsoft Wireless Notebook Presenter Mouse 8000 */
 815                         } else if (IS_MS_PRESENTER_8000(device)) {
 816                                 set_bit(EV_REP, input->evbit);
 817                                 switch(usage->hid & HID_USAGE) {
 818                                         /* Useful mappings of bottom-side keys for presentations */
 819                                         case 0xfd08: map_key_clear(KEY_RIGHT);          break;
 820                                         case 0xfd09: map_key_clear(KEY_LEFT);           break;
 821                                         case 0xfd0b: map_key_clear(KEY_PAUSE);          break;
 822                                         case 0xfd0f: map_key_clear(KEY_F5);             break;
 823                                         default:    goto ignore;
 824                                 }
 825                         } else
 826                                 goto ignore;
 827                         break;
 828
 829                 case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */
 830
 831                         set_bit(EV_REP, input->evbit);
 832                         switch(usage->hid & HID_USAGE) {
 833                                 case 0x003:
 834                                         /* The fn key on Apple USB keyboards */
 835                                         map_key_clear(KEY_FN);
 836                                         hidinput_apple_setup(input);
 837                                         break;
 838
 839                                 default:    goto ignore;
 840                         }
 841                         break;
 842
 843                 case HID_UP_LOGIVENDOR:
 844                         set_bit(EV_REP, input->evbit);
 845                         switch(usage->hid & HID_USAGE) {
 846                                 /* Reported on Logitech Ultra X Media Remote */
 847                                 case 0x004: map_key_clear(KEY_AGAIN);           break;
 848                                 case 0x00d: map_key_clear(KEY_HOME);            break;
 849                                 case 0x024: map_key_clear(KEY_SHUFFLE);         break;
 850                                 case 0x025: map_key_clear(KEY_TV);              break;
 851                                 case 0x026: map_key_clear(KEY_MENU);            break;
 852                                 case 0x031: map_key_clear(KEY_AUDIO);           break;
 853                                 case 0x032: map_key_clear(KEY_TEXT);            break;
 854                                 case 0x033: map_key_clear(KEY_LAST);            break;
 855                                 case 0x047: map_key_clear(KEY_MP3);             break;
 856                                 case 0x048: map_key_clear(KEY_DVD);             break;
 857                                 case 0x049: map_key_clear(KEY_MEDIA);           break;
 858                                 case 0x04a: map_key_clear(KEY_VIDEO);           break;
 859                                 case 0x04b: map_key_clear(KEY_ANGLE);           break;
 860                                 case 0x04c: map_key_clear(KEY_LANGUAGE);        break;
 861                                 case 0x04d: map_key_clear(KEY_SUBTITLE);        break;
 862                                 case 0x051: map_key_clear(KEY_RED);             break;
 863                                 case 0x052: map_key_clear(KEY_CLOSE);           break;
 864
 865                                 /* Reported on Petalynx Maxter remote */
 866                                 case 0x05a: map_key_clear(KEY_TEXT);            break;
 867                                 case 0x05b: map_key_clear(KEY_RED);             break;
 868                                 case 0x05c: map_key_clear(KEY_GREEN);           break;
 869                                 case 0x05d: map_key_clear(KEY_YELLOW);          break;
 870                                 case 0x05e: map_key_clear(KEY_BLUE);            break;
 871
 872                                 default:    goto ignore;
 873                         }
 874                         break;
 875
 876                 case HID_UP_PID:
 877
 878                         switch(usage->hid & HID_USAGE) {
 879                                 case 0xa4: map_key_clear(BTN_DEAD);     break;
 880                                 default: goto ignore;
 881                         }
 882                         break;
 883
 884                 default:
 885                 unknown:
 886                         if (field->report_size == 1) {
 887                                 if (field->report->type == HID_OUTPUT_REPORT) {
 888                                         map_led(LED_MISC);
 889                                         break;
 890                                 }
 891                                 map_key(BTN_MISC);
 892                                 break;
 893                         }
 894                         if (field->flags & HID_MAIN_ITEM_RELATIVE) {
 895                                 map_rel(REL_MISC);
 896                                 break;
 897                         }
 898                         map_abs(ABS_MISC);
 899                         break;
 900         }
 901
 902         if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
 903                 if (usage->hid == HID_GD_Z)
 904                         map_rel(REL_HWHEEL);
 905                 else if (usage->code == BTN_1)
 906                         map_key(BTN_2);
 907                 else if (usage->code == BTN_2)
 908                         map_key(BTN_1);
 909         }
 910
 911         if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5 |
 912                         HID_QUIRK_2WHEEL_MOUSE_HACK_B8)) && (usage->type == EV_REL) &&
 913                         (usage->code == REL_WHEEL))
 914                 set_bit(REL_HWHEEL, bit);
 915
 916         if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
 917                 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
 918                 goto ignore;
 919
 920         if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
 921                 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
 922                 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
 923
 924         set_bit(usage->type, input->evbit);
 925
 926         if (device->quirks & HID_QUIRK_DUPLICATE_USAGES &&
 927                         (usage->type == EV_KEY ||
 928                          usage->type == EV_REL ||
 929                          usage->type == EV_ABS))
 930                 clear_bit(usage->code, bit);
 931
 932         while (usage->code <= max && test_and_set_bit(usage->code, bit))
 933                 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
 934
 935         if (usage->code > max)
 936                 goto ignore;
 937
 938
 939         if (usage->type == EV_ABS) {
 940
 941                 int a = field->logical_minimum;
 942                 int b = field->logical_maximum;
 943
 944                 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
 945                         a = field->logical_minimum = 0;
 946                         b = field->logical_maximum = 255;
 947                 }
 948
 949                 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
 950                         input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
 951                 else    input_set_abs_params(input, usage->code, a, b, 0, 0);
 952
 953         }
 954
 955         if (usage->type == EV_ABS &&
 956             (usage->hat_min < usage->hat_max || usage->hat_dir)) {
 957                 int i;
 958                 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
 959                         input_set_abs_params(input, i, -1, 1, 0, 0);
 960                         set_bit(i, input->absbit);
 961                 }
 962                 if (usage->hat_dir && !field->dpad)
 963                         field->dpad = usage->code;
 964         }
 965
 966         /* for those devices which produce Consumer volume usage as relative,
 967          * we emulate pressing volumeup/volumedown appropriate number of times
 968          * in hidinput_hid_event()
 969          */
 970         if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
 971                         (usage->code == ABS_VOLUME)) {
 972                 set_bit(KEY_VOLUMEUP, input->keybit);
 973                 set_bit(KEY_VOLUMEDOWN, input->keybit);
 974         }
 975
 976         if (usage->type == EV_KEY) {
 977                 set_bit(EV_MSC, input->evbit);
 978                 set_bit(MSC_SCAN, input->mscbit);
 979         }
 980
 981         hid_resolv_event(usage->type, usage->code);
 982
 983         dbg_hid_line("\n");
 984
 985         return;
 986
 987 ignore:
 988         dbg_hid_line("IGNORED\n");
 989         return;
 990 }
 991
 992 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
 993 {
 994         struct input_dev *input;
 995         unsigned *quirks = &hid->quirks;
 996
 997         if (!field->hidinput)
 998                 return;
 999
1000         input = field->hidinput->input;
1001
1002         if (!usage->type)
1003                 return;
1004
1005         if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
1006                 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
1007                 if (value) hid->quirks |=  HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
1008                 else       hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
1009                 return;
1010         }
1011
1012         if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_B8) &&
1013                         (usage->type == EV_REL) &&
1014                         (usage->code == REL_WHEEL)) {
1015                 hid->delayed_value = value;
1016                 return;
1017         }
1018
1019         if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_B8) &&
1020                         (usage->hid == 0x000100b8)) {
1021                 input_event(input, EV_REL, value ? REL_HWHEEL : REL_WHEEL, hid->delayed_value);
1022                 return;
1023         }
1024
1025         if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
1026                 input_event(input, usage->type, usage->code, -value);
1027                 return;
1028         }
1029
1030         if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
1031                 input_event(input, usage->type, REL_HWHEEL, value);
1032                 return;
1033         }
1034
1035         if ((hid->quirks & HID_QUIRK_APPLE_HAS_FN) && hidinput_apple_event(hid, input, usage, value))
1036                 return;
1037
1038         if (usage->hat_min < usage->hat_max || usage->hat_dir) {
1039                 int hat_dir = usage->hat_dir;
1040                 if (!hat_dir)
1041                         hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
1042                 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
1043                 input_event(input, usage->type, usage->code    , hid_hat_to_axis[hat_dir].x);
1044                 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
1045                 return;
1046         }
1047
1048         if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
1049                 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
1050                 return;
1051         }
1052
1053         if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
1054                 if (value) {
1055                         input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
1056                         return;
1057                 }
1058                 input_event(input, usage->type, usage->code, 0);
1059                 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
1060                 return;
1061         }
1062
1063         if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
1064                 int a = field->logical_minimum;
1065                 int b = field->logical_maximum;
1066                 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
1067         }
1068
1069         if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
1070                 dbg_hid("Maximum Effects - %d\n",value);
1071                 return;
1072         }
1073
1074         if (usage->hid == (HID_UP_PID | 0x7fUL)) {
1075                 dbg_hid("PID Pool Report\n");
1076                 return;
1077         }
1078
1079         if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
1080                 return;
1081
1082         if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
1083                         (usage->code == ABS_VOLUME)) {
1084                 int count = abs(value);
1085                 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
1086                 int i;
1087
1088                 for (i = 0; i < count; i++) {
1089                         input_event(input, EV_KEY, direction, 1);
1090                         input_sync(input);
1091                         input_event(input, EV_KEY, direction, 0);
1092                         input_sync(input);
1093                 }
1094                 return;
1095         }
1096
1097         /* Handling MS keyboards special buttons */
1098         if (IS_MS_KB(hid) && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
1099                 int key = 0;
1100                 static int last_key = 0;
1101                 switch (value) {
1102                         case 0x01: key = KEY_F14; break;
1103                         case 0x02: key = KEY_F15; break;
1104                         case 0x04: key = KEY_F16; break;
1105                         case 0x08: key = KEY_F17; break;
1106                         case 0x10: key = KEY_F18; break;
1107                         default: break;
1108                 }
1109                 if (key) {
1110                         input_event(input, usage->type, key, 1);
1111                         last_key = key;
1112                 } else {
1113                         input_event(input, usage->type, last_key, 0);
1114                 }
1115         }
1116         /* report the usage code as scancode if the key status has changed */
1117         if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
1118                 input_event(input, EV_MSC, MSC_SCAN, usage->hid);
1119
1120         input_event(input, usage->type, usage->code, value);
1121
1122         if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
1123                 input_event(input, usage->type, usage->code, 0);
1124 }
1125
1126 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
1127 {
1128         struct hid_input *hidinput;
1129
1130         list_for_each_entry(hidinput, &hid->inputs, list)
1131                 input_sync(hidinput->input);
1132 }
1133 EXPORT_SYMBOL_GPL(hidinput_report_event);
1134
1135 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
1136 {
1137         struct hid_report *report;
1138         int i, j;
1139
1140         list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
1141                 for (i = 0; i < report->maxfield; i++) {
1142                         *field = report->field[i];
1143                         for (j = 0; j < (*field)->maxusage; j++)
1144                                 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
1145                                         return j;
1146                 }
1147         }
1148         return -1;
1149 }
1150 EXPORT_SYMBOL_GPL(hidinput_find_field);
1151
1152 static int hidinput_open(struct input_dev *dev)
1153 {
1154         struct hid_device *hid = input_get_drvdata(dev);
1155
1156         return hid->hid_open(hid);
1157 }
1158
1159 static void hidinput_close(struct input_dev *dev)
1160 {
1161         struct hid_device *hid = input_get_drvdata(dev);
1162
1163         hid->hid_close(hid);
1164 }
1165
1166 /*
1167  * Register the input device; print a message.
1168  * Configure the input layer interface
1169  * Read all reports and initialize the absolute field values.
1170  */
1171
1172 int hidinput_connect(struct hid_device *hid)
1173 {
1174         struct hid_report *report;
1175         struct hid_input *hidinput = NULL;
1176         struct input_dev *input_dev;
1177         int i, j, k;
1178         int max_report_type = HID_OUTPUT_REPORT;
1179
1180         if (hid->quirks & HID_QUIRK_IGNORE_HIDINPUT)
1181                 return -1;
1182
1183         INIT_LIST_HEAD(&hid->inputs);
1184
1185         for (i = 0; i < hid->maxcollection; i++)
1186                 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
1187                     hid->collection[i].type == HID_COLLECTION_PHYSICAL)
1188                         if (IS_INPUT_APPLICATION(hid->collection[i].usage))
1189                                 break;
1190
1191         if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0)
1192                 return -1;
1193
1194         if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
1195                 max_report_type = HID_INPUT_REPORT;
1196
1197         for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
1198                 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
1199
1200                         if (!report->maxfield)
1201                                 continue;
1202
1203                         if (!hidinput) {
1204                                 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
1205                                 input_dev = input_allocate_device();
1206                                 if (!hidinput || !input_dev) {
1207                                         kfree(hidinput);
1208                                         input_free_device(input_dev);
1209                                         err_hid("Out of memory during hid input probe");
1210                                         goto out_unwind;
1211                                 }
1212
1213                                 input_set_drvdata(input_dev, hid);
1214                                 input_dev->event = hid->hidinput_input_event;
1215                                 input_dev->open = hidinput_open;
1216                                 input_dev->close = hidinput_close;
1217                                 input_dev->setkeycode = hidinput_setkeycode;
1218                                 input_dev->getkeycode = hidinput_getkeycode;
1219
1220                                 input_dev->name = hid->name;
1221                                 input_dev->phys = hid->phys;
1222                                 input_dev->uniq = hid->uniq;
1223                                 input_dev->id.bustype = hid->bus;
1224                                 input_dev->id.vendor  = hid->vendor;
1225                                 input_dev->id.product = hid->product;
1226                                 input_dev->id.version = hid->version;
1227                                 input_dev->dev.parent = hid->dev;
1228                                 hidinput->input = input_dev;
1229                                 list_add_tail(&hidinput->list, &hid->inputs);
1230                         }
1231
1232                         for (i = 0; i < report->maxfield; i++)
1233                                 for (j = 0; j < report->field[i]->maxusage; j++)
1234                                         hidinput_configure_usage(hidinput, report->field[i],
1235                                                                  report->field[i]->usage + j);
1236
1237                         if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1238                                 /* This will leave hidinput NULL, so that it
1239                                  * allocates another one if we have more inputs on
1240                                  * the same interface. Some devices (e.g. Happ's
1241                                  * UGCI) cram a lot of unrelated inputs into the
1242                                  * same interface. */
1243                                 hidinput->report = report;
1244                                 if (input_register_device(hidinput->input))
1245                                         goto out_cleanup;
1246                                 hidinput = NULL;
1247                         }
1248                 }
1249
1250         if (hidinput && input_register_device(hidinput->input))
1251                 goto out_cleanup;
1252
1253         return 0;
1254
1255 out_cleanup:
1256         input_free_device(hidinput->input);
1257         kfree(hidinput);
1258 out_unwind:
1259         /* unwind the ones we already registered */
1260         hidinput_disconnect(hid);
1261
1262         return -1;
1263 }
1264 EXPORT_SYMBOL_GPL(hidinput_connect);
1265
1266 void hidinput_disconnect(struct hid_device *hid)
1267 {
1268         struct hid_input *hidinput, *next;
1269
1270         list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1271                 list_del(&hidinput->list);
1272                 input_unregister_device(hidinput->input);
1273                 kfree(hidinput);
1274         }
1275 }
1276 EXPORT_SYMBOL_GPL(hidinput_disconnect);
1277