HID: add support for Microsoft Natural Ergonomic Keyboard 4000
[linux-2.6] / 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_pb_fnmode = 1;
38 module_param_named(pb_fnmode, hid_pb_fnmode, int, 0644);
39 MODULE_PARM_DESC(pb_fnmode,
40                 "Mode of fn key on PowerBooks (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_NEK4K(x) (x->vendor == 0x045e && x->product == 0x00db)
92
93 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK
94
95 struct hidinput_key_translation {
96         u16 from;
97         u16 to;
98         u8 flags;
99 };
100
101 #define POWERBOOK_FLAG_FKEY 0x01
102
103 static struct hidinput_key_translation powerbook_fn_keys[] = {
104         { KEY_BACKSPACE, KEY_DELETE },
105         { KEY_F1,       KEY_BRIGHTNESSDOWN,     POWERBOOK_FLAG_FKEY },
106         { KEY_F2,       KEY_BRIGHTNESSUP,       POWERBOOK_FLAG_FKEY },
107         { KEY_F3,       KEY_MUTE,               POWERBOOK_FLAG_FKEY },
108         { KEY_F4,       KEY_VOLUMEDOWN,         POWERBOOK_FLAG_FKEY },
109         { KEY_F5,       KEY_VOLUMEUP,           POWERBOOK_FLAG_FKEY },
110         { KEY_F6,       KEY_NUMLOCK,            POWERBOOK_FLAG_FKEY },
111         { KEY_F7,       KEY_SWITCHVIDEOMODE,    POWERBOOK_FLAG_FKEY },
112         { KEY_F8,       KEY_KBDILLUMTOGGLE,     POWERBOOK_FLAG_FKEY },
113         { KEY_F9,       KEY_KBDILLUMDOWN,       POWERBOOK_FLAG_FKEY },
114         { KEY_F10,      KEY_KBDILLUMUP,         POWERBOOK_FLAG_FKEY },
115         { KEY_UP,       KEY_PAGEUP },
116         { KEY_DOWN,     KEY_PAGEDOWN },
117         { KEY_LEFT,     KEY_HOME },
118         { KEY_RIGHT,    KEY_END },
119         { }
120 };
121
122 static struct hidinput_key_translation powerbook_numlock_keys[] = {
123         { KEY_J,        KEY_KP1 },
124         { KEY_K,        KEY_KP2 },
125         { KEY_L,        KEY_KP3 },
126         { KEY_U,        KEY_KP4 },
127         { KEY_I,        KEY_KP5 },
128         { KEY_O,        KEY_KP6 },
129         { KEY_7,        KEY_KP7 },
130         { KEY_8,        KEY_KP8 },
131         { KEY_9,        KEY_KP9 },
132         { KEY_M,        KEY_KP0 },
133         { KEY_DOT,      KEY_KPDOT },
134         { KEY_SLASH,    KEY_KPPLUS },
135         { KEY_SEMICOLON, KEY_KPMINUS },
136         { KEY_P,        KEY_KPASTERISK },
137         { KEY_MINUS,    KEY_KPEQUAL },
138         { KEY_0,        KEY_KPSLASH },
139         { KEY_F6,       KEY_NUMLOCK },
140         { KEY_KPENTER,  KEY_KPENTER },
141         { KEY_BACKSPACE, KEY_BACKSPACE },
142         { }
143 };
144
145 static struct hidinput_key_translation powerbook_iso_keyboard[] = {
146         { KEY_GRAVE,    KEY_102ND },
147         { KEY_102ND,    KEY_GRAVE },
148         { }
149 };
150
151 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
152 {
153         struct hidinput_key_translation *trans;
154
155         /* Look for the translation */
156         for (trans = table; trans->from; trans++)
157                 if (trans->from == from)
158                         return trans;
159
160         return NULL;
161 }
162
163 static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
164                 struct hid_usage *usage, __s32 value)
165 {
166         struct hidinput_key_translation *trans;
167
168         if (usage->code == KEY_FN) {
169                 if (value) hid->quirks |=  HID_QUIRK_POWERBOOK_FN_ON;
170                 else       hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON;
171
172                 input_event(input, usage->type, usage->code, value);
173
174                 return 1;
175         }
176
177         if (hid_pb_fnmode) {
178                 int do_translate;
179
180                 trans = find_translation(powerbook_fn_keys, usage->code);
181                 if (trans) {
182                         if (test_bit(usage->code, hid->pb_pressed_fn))
183                                 do_translate = 1;
184                         else if (trans->flags & POWERBOOK_FLAG_FKEY)
185                                 do_translate =
186                                         (hid_pb_fnmode == 2 &&  (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) ||
187                                         (hid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON));
188                         else
189                                 do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON);
190
191                         if (do_translate) {
192                                 if (value)
193                                         set_bit(usage->code, hid->pb_pressed_fn);
194                                 else
195                                         clear_bit(usage->code, hid->pb_pressed_fn);
196
197                                 input_event(input, usage->type, trans->to, value);
198
199                                 return 1;
200                         }
201                 }
202
203                 if (test_bit(usage->code, hid->pb_pressed_numlock) ||
204                                 test_bit(LED_NUML, input->led)) {
205                         trans = find_translation(powerbook_numlock_keys, usage->code);
206
207                         if (trans) {
208                                 if (value)
209                                         set_bit(usage->code, hid->pb_pressed_numlock);
210                                 else
211                                         clear_bit(usage->code, hid->pb_pressed_numlock);
212
213                                 input_event(input, usage->type, trans->to, value);
214                         }
215
216                         return 1;
217                 }
218         }
219
220         if (hid->quirks & HID_QUIRK_POWERBOOK_ISO_KEYBOARD) {
221                 trans = find_translation(powerbook_iso_keyboard, usage->code);
222                 if (trans) {
223                         input_event(input, usage->type, trans->to, value);
224                         return 1;
225                 }
226         }
227
228         return 0;
229 }
230
231 static void hidinput_pb_setup(struct input_dev *input)
232 {
233         struct hidinput_key_translation *trans;
234
235         set_bit(KEY_NUMLOCK, input->keybit);
236
237         /* Enable all needed keys */
238         for (trans = powerbook_fn_keys; trans->from; trans++)
239                 set_bit(trans->to, input->keybit);
240
241         for (trans = powerbook_numlock_keys; trans->from; trans++)
242                 set_bit(trans->to, input->keybit);
243
244         for (trans = powerbook_iso_keyboard; trans->from; trans++)
245                 set_bit(trans->to, input->keybit);
246
247 }
248 #else
249 static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
250                 struct hid_usage *usage, __s32 value)
251 {
252         return 0;
253 }
254
255 static inline void hidinput_pb_setup(struct input_dev *input)
256 {
257 }
258 #endif
259
260 static inline int match_scancode(int code, int scancode)
261 {
262         if (scancode == 0)
263                 return 1;
264         return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode);
265 }
266
267 static inline int match_keycode(int code, int keycode)
268 {
269         if (keycode == 0)
270                 return 1;
271         return (code == keycode);
272 }
273
274 static struct hid_usage *hidinput_find_key(struct hid_device *hid,
275                 int scancode, int keycode)
276 {
277         int i, j, k;
278         struct hid_report *report;
279         struct hid_usage *usage;
280
281         for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
282                 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
283                         for (i = 0; i < report->maxfield; i++) {
284                                 for ( j = 0; j < report->field[i]->maxusage; j++) {
285                                         usage = report->field[i]->usage + j;
286                                         if (usage->type == EV_KEY &&
287                                                 match_scancode(usage->hid, scancode) &&
288                                                 match_keycode(usage->code, keycode))
289                                                 return usage;
290                                 }
291                         }
292                 }
293         }
294         return NULL;
295 }
296
297 static int hidinput_getkeycode(struct input_dev *dev, int scancode,
298                                 int *keycode)
299 {
300         struct hid_device *hid = dev->private;
301         struct hid_usage *usage;
302         
303         usage = hidinput_find_key(hid, scancode, 0);
304         if (usage) {
305                 *keycode = usage->code;
306                 return 0;
307         }
308         return -EINVAL;
309 }
310
311 static int hidinput_setkeycode(struct input_dev *dev, int scancode,
312                                 int keycode)
313 {
314         struct hid_device *hid = dev->private;
315         struct hid_usage *usage;
316         int old_keycode;
317         
318         if (keycode < 0 || keycode > KEY_MAX)
319                 return -EINVAL;
320         
321         usage = hidinput_find_key(hid, scancode, 0);
322         if (usage) {
323                 old_keycode = usage->code;
324                 usage->code = keycode;
325                 
326                 clear_bit(old_keycode, dev->keybit);
327                 set_bit(usage->code, dev->keybit);
328                 dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode);
329                 /* Set the keybit for the old keycode if the old keycode is used
330                  * by another key */
331                 if (hidinput_find_key (hid, 0, old_keycode))
332                         set_bit(old_keycode, dev->keybit);
333                 
334                 return 0;
335         }
336         
337         return -EINVAL;
338 }
339
340
341 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
342                                      struct hid_usage *usage)
343 {
344         struct input_dev *input = hidinput->input;
345         struct hid_device *device = input_get_drvdata(input);
346         int max = 0, code;
347         unsigned long *bit = NULL;
348
349         field->hidinput = hidinput;
350
351         dbg_hid("Mapping: ");
352         hid_resolv_usage(usage->hid);
353         dbg_hid_line(" ---> ");
354
355         if (field->flags & HID_MAIN_ITEM_CONSTANT)
356                 goto ignore;
357
358         switch (usage->hid & HID_USAGE_PAGE) {
359
360                 case HID_UP_UNDEFINED:
361                         goto ignore;
362
363                 case HID_UP_KEYBOARD:
364
365                         set_bit(EV_REP, input->evbit);
366
367                         if ((usage->hid & HID_USAGE) < 256) {
368                                 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
369                                 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
370                         } else
371                                 map_key(KEY_UNKNOWN);
372
373                         break;
374
375                 case HID_UP_BUTTON:
376
377                         code = ((usage->hid - 1) & 0xf);
378
379                         switch (field->application) {
380                                 case HID_GD_MOUSE:
381                                 case HID_GD_POINTER:  code += 0x110; break;
382                                 case HID_GD_JOYSTICK: code += 0x120; break;
383                                 case HID_GD_GAMEPAD:  code += 0x130; break;
384                                 default:
385                                         switch (field->physical) {
386                                                 case HID_GD_MOUSE:
387                                                 case HID_GD_POINTER:  code += 0x110; break;
388                                                 case HID_GD_JOYSTICK: code += 0x120; break;
389                                                 case HID_GD_GAMEPAD:  code += 0x130; break;
390                                                 default:              code += 0x100;
391                                         }
392                         }
393
394                         /* Special handling for Logitech Cordless Desktop */
395                         if (field->application != HID_GD_MOUSE) {
396                                 if (device->quirks & HID_QUIRK_LOGITECH_EXPANDED_KEYMAP) {
397                                         int hid = usage->hid & HID_USAGE;
398                                         if (hid < LOGITECH_EXPANDED_KEYMAP_SIZE && logitech_expanded_keymap[hid] != 0)
399                                                 code = logitech_expanded_keymap[hid];
400                                 }
401                         } else {
402                                 if (device->quirks & HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL) {
403                                         int hid = usage->hid & HID_USAGE;
404                                         if (hid == 7 || hid == 8)
405                                                 goto ignore;
406                                 }
407                         }
408
409                         map_key(code);
410                         break;
411
412
413                 case HID_UP_SIMULATION:
414
415                         switch (usage->hid & 0xffff) {
416                                 case 0xba: map_abs(ABS_RUDDER);   break;
417                                 case 0xbb: map_abs(ABS_THROTTLE); break;
418                                 case 0xc4: map_abs(ABS_GAS);      break;
419                                 case 0xc5: map_abs(ABS_BRAKE);    break;
420                                 case 0xc8: map_abs(ABS_WHEEL);    break;
421                                 default:   goto ignore;
422                         }
423                         break;
424
425                 case HID_UP_GENDESK:
426
427                         if ((usage->hid & 0xf0) == 0x80) {      /* SystemControl */
428                                 switch (usage->hid & 0xf) {
429                                         case 0x1: map_key_clear(KEY_POWER);  break;
430                                         case 0x2: map_key_clear(KEY_SLEEP);  break;
431                                         case 0x3: map_key_clear(KEY_WAKEUP); break;
432                                         default: goto unknown;
433                                 }
434                                 break;
435                         }
436
437                         if ((usage->hid & 0xf0) == 0x90) {      /* D-pad */
438                                 switch (usage->hid) {
439                                         case HID_GD_UP:    usage->hat_dir = 1; break;
440                                         case HID_GD_DOWN:  usage->hat_dir = 5; break;
441                                         case HID_GD_RIGHT: usage->hat_dir = 3; break;
442                                         case HID_GD_LEFT:  usage->hat_dir = 7; break;
443                                         default: goto unknown;
444                                 }
445                                 if (field->dpad) {
446                                         map_abs(field->dpad);
447                                         goto ignore;
448                                 }
449                                 map_abs(ABS_HAT0X);
450                                 break;
451                         }
452
453                         switch (usage->hid) {
454
455                                 /* These usage IDs map directly to the usage codes. */
456                                 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
457                                 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
458                                 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
459                                         if (field->flags & HID_MAIN_ITEM_RELATIVE)
460                                                 map_rel(usage->hid & 0xf);
461                                         else
462                                                 map_abs(usage->hid & 0xf);
463                                         break;
464
465                                 case HID_GD_HATSWITCH:
466                                         usage->hat_min = field->logical_minimum;
467                                         usage->hat_max = field->logical_maximum;
468                                         map_abs(ABS_HAT0X);
469                                         break;
470
471                                 case HID_GD_START:      map_key_clear(BTN_START);       break;
472                                 case HID_GD_SELECT:     map_key_clear(BTN_SELECT);      break;
473
474                                 default: goto unknown;
475                         }
476
477                         break;
478
479                 case HID_UP_LED:
480
481                         switch (usage->hid & 0xffff) {                        /* HID-Value:                   */
482                                 case 0x01:  map_led (LED_NUML);     break;    /*   "Num Lock"                 */
483                                 case 0x02:  map_led (LED_CAPSL);    break;    /*   "Caps Lock"                */
484                                 case 0x03:  map_led (LED_SCROLLL);  break;    /*   "Scroll Lock"              */
485                                 case 0x04:  map_led (LED_COMPOSE);  break;    /*   "Compose"                  */
486                                 case 0x05:  map_led (LED_KANA);     break;    /*   "Kana"                     */
487                                 case 0x27:  map_led (LED_SLEEP);    break;    /*   "Stand-By"                 */
488                                 case 0x4c:  map_led (LED_SUSPEND);  break;    /*   "System Suspend"           */
489                                 case 0x09:  map_led (LED_MUTE);     break;    /*   "Mute"                     */
490                                 case 0x4b:  map_led (LED_MISC);     break;    /*   "Generic Indicator"        */
491                                 case 0x19:  map_led (LED_MAIL);     break;    /*   "Message Waiting"          */
492                                 case 0x4d:  map_led (LED_CHARGING); break;    /*   "External Power Connected" */
493
494                                 default: goto ignore;
495                         }
496                         break;
497
498                 case HID_UP_DIGITIZER:
499
500                         switch (usage->hid & 0xff) {
501
502                                 case 0x30: /* TipPressure */
503                                         if (!test_bit(BTN_TOUCH, input->keybit)) {
504                                                 device->quirks |= HID_QUIRK_NOTOUCH;
505                                                 set_bit(EV_KEY, input->evbit);
506                                                 set_bit(BTN_TOUCH, input->keybit);
507                                         }
508
509                                         map_abs_clear(ABS_PRESSURE);
510                                         break;
511
512                                 case 0x32: /* InRange */
513                                         switch (field->physical & 0xff) {
514                                                 case 0x21: map_key(BTN_TOOL_MOUSE); break;
515                                                 case 0x22: map_key(BTN_TOOL_FINGER); break;
516                                                 default: map_key(BTN_TOOL_PEN); break;
517                                         }
518                                         break;
519
520                                 case 0x3c: /* Invert */
521                                         map_key_clear(BTN_TOOL_RUBBER);
522                                         break;
523
524                                 case 0x33: /* Touch */
525                                 case 0x42: /* TipSwitch */
526                                 case 0x43: /* TipSwitch2 */
527                                         device->quirks &= ~HID_QUIRK_NOTOUCH;
528                                         map_key_clear(BTN_TOUCH);
529                                         break;
530
531                                 case 0x44: /* BarrelSwitch */
532                                         map_key_clear(BTN_STYLUS);
533                                         break;
534
535                                 default:  goto unknown;
536                         }
537                         break;
538
539                 case HID_UP_CONSUMER:   /* USB HUT v1.1, pages 56-62 */
540
541                         switch (usage->hid & HID_USAGE) {
542                                 case 0x000: goto ignore;
543                                 case 0x034: map_key_clear(KEY_SLEEP);           break;
544                                 case 0x036: map_key_clear(BTN_MISC);            break;
545                                 /*
546                                  * The next three are reported by Belkin wireless
547                                  * keyboard (1020:0006). These values are "reserved"
548                                  * in HUT 1.12.
549                                  */
550                                 case 0x03a: map_key_clear(KEY_SOUND);           break;
551                                 case 0x03b: map_key_clear(KEY_CAMERA);          break;
552                                 case 0x03c: map_key_clear(KEY_DOCUMENTS);       break;
553
554                                 case 0x040: map_key_clear(KEY_MENU);            break;
555                                 case 0x045: map_key_clear(KEY_RADIO);           break;
556
557                                 case 0x083: map_key_clear(KEY_LAST);            break;
558                                 case 0x088: map_key_clear(KEY_PC);              break;
559                                 case 0x089: map_key_clear(KEY_TV);              break;
560                                 case 0x08a: map_key_clear(KEY_WWW);             break;
561                                 case 0x08b: map_key_clear(KEY_DVD);             break;
562                                 case 0x08c: map_key_clear(KEY_PHONE);           break;
563                                 case 0x08d: map_key_clear(KEY_PROGRAM);         break;
564                                 case 0x08e: map_key_clear(KEY_VIDEOPHONE);      break;
565                                 case 0x08f: map_key_clear(KEY_GAMES);           break;
566                                 case 0x090: map_key_clear(KEY_MEMO);            break;
567                                 case 0x091: map_key_clear(KEY_CD);              break;
568                                 case 0x092: map_key_clear(KEY_VCR);             break;
569                                 case 0x093: map_key_clear(KEY_TUNER);           break;
570                                 case 0x094: map_key_clear(KEY_EXIT);            break;
571                                 case 0x095: map_key_clear(KEY_HELP);            break;
572                                 case 0x096: map_key_clear(KEY_TAPE);            break;
573                                 case 0x097: map_key_clear(KEY_TV2);             break;
574                                 case 0x098: map_key_clear(KEY_SAT);             break;
575                                 case 0x09a: map_key_clear(KEY_PVR);             break;
576
577                                 case 0x09c: map_key_clear(KEY_CHANNELUP);       break;
578                                 case 0x09d: map_key_clear(KEY_CHANNELDOWN);     break;
579                                 case 0x0a0: map_key_clear(KEY_VCR2);            break;
580
581                                 case 0x0b0: map_key_clear(KEY_PLAY);            break;
582                                 case 0x0b1: map_key_clear(KEY_PAUSE);           break;
583                                 case 0x0b2: map_key_clear(KEY_RECORD);          break;
584                                 case 0x0b3: map_key_clear(KEY_FASTFORWARD);     break;
585                                 case 0x0b4: map_key_clear(KEY_REWIND);          break;
586                                 case 0x0b5: map_key_clear(KEY_NEXTSONG);        break;
587                                 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG);    break;
588                                 case 0x0b7: map_key_clear(KEY_STOPCD);          break;
589                                 case 0x0b8: map_key_clear(KEY_EJECTCD);         break;
590
591                                 case 0x0cd: map_key_clear(KEY_PLAYPAUSE);       break;
592                                 case 0x0e0: map_abs_clear(ABS_VOLUME);          break;
593                                 case 0x0e2: map_key_clear(KEY_MUTE);            break;
594                                 case 0x0e5: map_key_clear(KEY_BASSBOOST);       break;
595                                 case 0x0e9: map_key_clear(KEY_VOLUMEUP);        break;
596                                 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN);      break;
597
598                                 /* reserved in HUT 1.12. Reported on Petalynx remote */
599                                 case 0x0f6: map_key_clear(KEY_NEXT);            break;
600                                 case 0x0fa: map_key_clear(KEY_BACK);            break;
601
602                                 case 0x183: map_key_clear(KEY_CONFIG);          break;
603                                 case 0x184: map_key_clear(KEY_WORDPROCESSOR);   break;
604                                 case 0x185: map_key_clear(KEY_EDITOR);          break;
605                                 case 0x186: map_key_clear(KEY_SPREADSHEET);     break;
606                                 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR);  break;
607                                 case 0x188: map_key_clear(KEY_PRESENTATION);    break;
608                                 case 0x189: map_key_clear(KEY_DATABASE);        break;
609                                 case 0x18a: map_key_clear(KEY_MAIL);            break;
610                                 case 0x18b: map_key_clear(KEY_NEWS);            break;
611                                 case 0x18c: map_key_clear(KEY_VOICEMAIL);       break;
612                                 case 0x18d: map_key_clear(KEY_ADDRESSBOOK);     break;
613                                 case 0x18e: map_key_clear(KEY_CALENDAR);        break;
614                                 case 0x191: map_key_clear(KEY_FINANCE);         break;
615                                 case 0x192: map_key_clear(KEY_CALC);            break;
616                                 case 0x194: map_key_clear(KEY_FILE);            break;
617                                 case 0x196: map_key_clear(KEY_WWW);             break;
618                                 case 0x19e: map_key_clear(KEY_COFFEE);          break;
619                                 case 0x1a6: map_key_clear(KEY_HELP);            break;
620                                 case 0x1a7: map_key_clear(KEY_DOCUMENTS);       break;
621                                 case 0x1ab: map_key_clear(KEY_SPELLCHECK);      break;
622                                 case 0x1bc: map_key_clear(KEY_MESSENGER);       break;
623                                 case 0x1bd: map_key_clear(KEY_INFO);            break;
624                                 case 0x201: map_key_clear(KEY_NEW);             break;
625                                 case 0x202: map_key_clear(KEY_OPEN);            break;
626                                 case 0x203: map_key_clear(KEY_CLOSE);           break;
627                                 case 0x204: map_key_clear(KEY_EXIT);            break;
628                                 case 0x207: map_key_clear(KEY_SAVE);            break;
629                                 case 0x208: map_key_clear(KEY_PRINT);           break;
630                                 case 0x209: map_key_clear(KEY_PROPS);           break;
631                                 case 0x21a: map_key_clear(KEY_UNDO);            break;
632                                 case 0x21b: map_key_clear(KEY_COPY);            break;
633                                 case 0x21c: map_key_clear(KEY_CUT);             break;
634                                 case 0x21d: map_key_clear(KEY_PASTE);           break;
635                                 case 0x21f: map_key_clear(KEY_FIND);            break;
636                                 case 0x221: map_key_clear(KEY_SEARCH);          break;
637                                 case 0x222: map_key_clear(KEY_GOTO);            break;
638                                 case 0x223: map_key_clear(KEY_HOMEPAGE);        break;
639                                 case 0x224: map_key_clear(KEY_BACK);            break;
640                                 case 0x225: map_key_clear(KEY_FORWARD);         break;
641                                 case 0x226: map_key_clear(KEY_STOP);            break;
642                                 case 0x227: map_key_clear(KEY_REFRESH);         break;
643                                 case 0x22a: map_key_clear(KEY_BOOKMARKS);       break;
644                                 case 0x22d: map_key_clear(KEY_ZOOMIN);          break;
645                                 case 0x22e: map_key_clear(KEY_ZOOMOUT);         break;
646                                 case 0x22f: map_key_clear(KEY_ZOOMRESET);       break;
647                                 case 0x233: map_key_clear(KEY_SCROLLUP);        break;
648                                 case 0x234: map_key_clear(KEY_SCROLLDOWN);      break;
649                                 case 0x238: map_rel(REL_HWHEEL);                break;
650                                 case 0x25f: map_key_clear(KEY_CANCEL);          break;
651                                 case 0x279: map_key_clear(KEY_REDO);            break;
652
653                                 case 0x289: map_key_clear(KEY_REPLY);           break;
654                                 case 0x28b: map_key_clear(KEY_FORWARDMAIL);     break;
655                                 case 0x28c: map_key_clear(KEY_SEND);            break;
656
657                                 /* Reported on a Cherry Cymotion keyboard */
658                                 case 0x301: map_key_clear(KEY_PROG1);           break;
659                                 case 0x302: map_key_clear(KEY_PROG2);           break;
660                                 case 0x303: map_key_clear(KEY_PROG3);           break;
661
662                                 /* Reported on certain Logitech wireless keyboards */
663                                 case 0x1001: map_key_clear(KEY_MESSENGER);      break;
664                                 case 0x1003: map_key_clear(KEY_SOUND);          break;
665                                 case 0x1004: map_key_clear(KEY_VIDEO);          break;
666                                 case 0x1005: map_key_clear(KEY_AUDIO);          break;
667                                 case 0x100a: map_key_clear(KEY_DOCUMENTS);      break;
668                                 case 0x1011: map_key_clear(KEY_PREVIOUSSONG);   break;
669                                 case 0x1012: map_key_clear(KEY_NEXTSONG);       break;
670                                 case 0x1013: map_key_clear(KEY_CAMERA);         break;
671                                 case 0x1014: map_key_clear(KEY_MESSENGER);      break;
672                                 case 0x1015: map_key_clear(KEY_RECORD);         break;
673                                 case 0x1016: map_key_clear(KEY_PLAYER);         break;
674                                 case 0x1017: map_key_clear(KEY_EJECTCD);        break;
675                                 case 0x1018: map_key_clear(KEY_MEDIA);          break;
676                                 case 0x1019: map_key_clear(KEY_PROG1);          break;
677                                 case 0x101a: map_key_clear(KEY_PROG2);          break;
678                                 case 0x101b: map_key_clear(KEY_PROG3);          break;
679                                 case 0x101f: map_key_clear(KEY_ZOOMIN);         break;
680                                 case 0x1020: map_key_clear(KEY_ZOOMOUT);        break;
681                                 case 0x1021: map_key_clear(KEY_ZOOMRESET);      break;
682                                 case 0x1023: map_key_clear(KEY_CLOSE);          break;
683                                 case 0x1027: map_key_clear(KEY_MENU);           break;
684                                 /* this one is marked as 'Rotate' */
685                                 case 0x1028: map_key_clear(KEY_ANGLE);          break;
686                                 case 0x1029: map_key_clear(KEY_SHUFFLE);        break;
687                                 case 0x102a: map_key_clear(KEY_BACK);           break;
688                                 case 0x102b: map_key_clear(KEY_CYCLEWINDOWS);   break;
689                                 case 0x1041: map_key_clear(KEY_BATTERY);        break;
690                                 case 0x1042: map_key_clear(KEY_WORDPROCESSOR);  break;
691                                 case 0x1043: map_key_clear(KEY_SPREADSHEET);    break;
692                                 case 0x1044: map_key_clear(KEY_PRESENTATION);   break;
693                                 case 0x1045: map_key_clear(KEY_UNDO);           break;
694                                 case 0x1046: map_key_clear(KEY_REDO);           break;
695                                 case 0x1047: map_key_clear(KEY_PRINT);          break;
696                                 case 0x1048: map_key_clear(KEY_SAVE);           break;
697                                 case 0x1049: map_key_clear(KEY_PROG1);          break;
698                                 case 0x104a: map_key_clear(KEY_PROG2);          break;
699                                 case 0x104b: map_key_clear(KEY_PROG3);          break;
700                                 case 0x104c: map_key_clear(KEY_PROG4);          break;
701
702                                 default:    goto ignore;
703                         }
704                         break;
705
706                 case HID_UP_HPVENDOR:   /* Reported on a Dutch layout HP5308 */
707
708                         set_bit(EV_REP, input->evbit);
709                         switch (usage->hid & HID_USAGE) {
710                                 case 0x021: map_key_clear(KEY_PRINT);           break;
711                                 case 0x070: map_key_clear(KEY_HP);              break;
712                                 case 0x071: map_key_clear(KEY_CAMERA);          break;
713                                 case 0x072: map_key_clear(KEY_SOUND);           break;
714                                 case 0x073: map_key_clear(KEY_QUESTION);        break;
715                                 case 0x080: map_key_clear(KEY_EMAIL);           break;
716                                 case 0x081: map_key_clear(KEY_CHAT);            break;
717                                 case 0x082: map_key_clear(KEY_SEARCH);          break;
718                                 case 0x083: map_key_clear(KEY_CONNECT);         break;
719                                 case 0x084: map_key_clear(KEY_FINANCE);         break;
720                                 case 0x085: map_key_clear(KEY_SPORT);           break;
721                                 case 0x086: map_key_clear(KEY_SHOP);            break;
722                                 default:    goto ignore;
723                         }
724                         break;
725
726                 case HID_UP_MSVENDOR:
727
728                         /* Unfortunately, there are multiple devices which
729                          * emit usages from MSVENDOR page that require different
730                          * handling. If this list grows too much in the future,
731                          * more general handling will have to be introduced here
732                          * (i.e. another blacklist).
733                          */
734
735                         /* Chicony Chicony KU-0418 tactical pad */
736                         if (IS_CHICONY_TACTICAL_PAD(device)) {
737                                 set_bit(EV_REP, input->evbit);
738                                 switch(usage->hid & HID_USAGE) {
739                                         case 0xff01: map_key_clear(BTN_1);              break;
740                                         case 0xff02: map_key_clear(BTN_2);              break;
741                                         case 0xff03: map_key_clear(BTN_3);              break;
742                                         case 0xff04: map_key_clear(BTN_4);              break;
743                                         case 0xff05: map_key_clear(BTN_5);              break;
744                                         case 0xff06: map_key_clear(BTN_6);              break;
745                                         case 0xff07: map_key_clear(BTN_7);              break;
746                                         case 0xff08: map_key_clear(BTN_8);              break;
747                                         case 0xff09: map_key_clear(BTN_9);              break;
748                                         case 0xff0a: map_key_clear(BTN_A);              break;
749                                         case 0xff0b: map_key_clear(BTN_B);              break;
750                                         default:    goto ignore;
751                                 }
752
753                         /* Microsoft Natural Ergonomic Keyboard 4000 */
754                         } else if (IS_MS_NEK4K(device)) {
755                                 switch(usage->hid & HID_USAGE) {
756                                         case 0xff05:
757                                                 set_bit(EV_REP, input->evbit);
758                                                 map_key_clear(BTN_0);
759                                                 set_bit(BTN_1, input->keybit);
760                                                 set_bit(BTN_2, input->keybit);
761                                                 set_bit(BTN_3, input->keybit);
762                                                 set_bit(BTN_4, input->keybit);
763                                                 set_bit(BTN_5, input->keybit);
764                                         default:        goto ignore;
765                                 }
766                         } else {
767                                 goto ignore;
768                         }
769                         break;
770
771                 case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
772
773                         set_bit(EV_REP, input->evbit);
774                         switch(usage->hid & HID_USAGE) {
775                                 case 0x003:
776                                         /* The fn key on Apple PowerBooks */
777                                         map_key_clear(KEY_FN);
778                                         hidinput_pb_setup(input);
779                                         break;
780
781                                 default:    goto ignore;
782                         }
783                         break;
784
785                 case HID_UP_LOGIVENDOR:
786                         set_bit(EV_REP, input->evbit);
787                         switch(usage->hid & HID_USAGE) {
788                                 /* Reported on Logitech Ultra X Media Remote */
789                                 case 0x004: map_key_clear(KEY_AGAIN);           break;
790                                 case 0x00d: map_key_clear(KEY_HOME);            break;
791                                 case 0x024: map_key_clear(KEY_SHUFFLE);         break;
792                                 case 0x025: map_key_clear(KEY_TV);              break;
793                                 case 0x026: map_key_clear(KEY_MENU);            break;
794                                 case 0x031: map_key_clear(KEY_AUDIO);           break;
795                                 case 0x032: map_key_clear(KEY_TEXT);            break;
796                                 case 0x033: map_key_clear(KEY_LAST);            break;
797                                 case 0x047: map_key_clear(KEY_MP3);             break;
798                                 case 0x048: map_key_clear(KEY_DVD);             break;
799                                 case 0x049: map_key_clear(KEY_MEDIA);           break;
800                                 case 0x04a: map_key_clear(KEY_VIDEO);           break;
801                                 case 0x04b: map_key_clear(KEY_ANGLE);           break;
802                                 case 0x04c: map_key_clear(KEY_LANGUAGE);        break;
803                                 case 0x04d: map_key_clear(KEY_SUBTITLE);        break;
804                                 case 0x051: map_key_clear(KEY_RED);             break;
805                                 case 0x052: map_key_clear(KEY_CLOSE);           break;
806
807                                 /* Reported on Petalynx Maxter remote */
808                                 case 0x05a: map_key_clear(KEY_TEXT);            break;
809                                 case 0x05b: map_key_clear(KEY_RED);             break;
810                                 case 0x05c: map_key_clear(KEY_GREEN);           break;
811                                 case 0x05d: map_key_clear(KEY_YELLOW);          break;
812                                 case 0x05e: map_key_clear(KEY_BLUE);            break;
813
814                                 default:    goto ignore;
815                         }
816                         break;
817
818                 case HID_UP_PID:
819
820                         switch(usage->hid & HID_USAGE) {
821                                 case 0xa4: map_key_clear(BTN_DEAD);     break;
822                                 default: goto ignore;
823                         }
824                         break;
825
826                 default:
827                 unknown:
828                         if (field->report_size == 1) {
829                                 if (field->report->type == HID_OUTPUT_REPORT) {
830                                         map_led(LED_MISC);
831                                         break;
832                                 }
833                                 map_key(BTN_MISC);
834                                 break;
835                         }
836                         if (field->flags & HID_MAIN_ITEM_RELATIVE) {
837                                 map_rel(REL_MISC);
838                                 break;
839                         }
840                         map_abs(ABS_MISC);
841                         break;
842         }
843
844         if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
845                 if (usage->hid == HID_GD_Z)
846                         map_rel(REL_HWHEEL);
847                 else if (usage->code == BTN_1)
848                         map_key(BTN_2);
849                 else if (usage->code == BTN_2)
850                         map_key(BTN_1);
851         }
852
853         if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
854                  (usage->type == EV_REL) && (usage->code == REL_WHEEL))
855                         set_bit(REL_HWHEEL, bit);
856
857         if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
858                 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
859                 goto ignore;
860
861         if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
862                 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
863                 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
864
865         set_bit(usage->type, input->evbit);
866
867         if (device->quirks & HID_QUIRK_DUPLICATE_USAGES &&
868                         (usage->type == EV_KEY ||
869                          usage->type == EV_REL ||
870                          usage->type == EV_ABS))
871                 clear_bit(usage->code, bit);
872
873         while (usage->code <= max && test_and_set_bit(usage->code, bit))
874                 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
875
876         if (usage->code > max)
877                 goto ignore;
878
879
880         if (usage->type == EV_ABS) {
881
882                 int a = field->logical_minimum;
883                 int b = field->logical_maximum;
884
885                 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
886                         a = field->logical_minimum = 0;
887                         b = field->logical_maximum = 255;
888                 }
889
890                 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
891                         input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
892                 else    input_set_abs_params(input, usage->code, a, b, 0, 0);
893
894         }
895
896         if (usage->type == EV_ABS &&
897             (usage->hat_min < usage->hat_max || usage->hat_dir)) {
898                 int i;
899                 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
900                         input_set_abs_params(input, i, -1, 1, 0, 0);
901                         set_bit(i, input->absbit);
902                 }
903                 if (usage->hat_dir && !field->dpad)
904                         field->dpad = usage->code;
905         }
906
907         /* for those devices which produce Consumer volume usage as relative,
908          * we emulate pressing volumeup/volumedown appropriate number of times
909          * in hidinput_hid_event()
910          */
911         if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
912                         (usage->code == ABS_VOLUME)) {
913                 set_bit(KEY_VOLUMEUP, input->keybit);
914                 set_bit(KEY_VOLUMEDOWN, input->keybit);
915         }
916
917         hid_resolv_event(usage->type, usage->code);
918
919         dbg_hid_line("\n");
920
921         return;
922
923 ignore:
924         dbg_hid_line("IGNORED\n");
925         return;
926 }
927
928 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
929 {
930         struct input_dev *input;
931         int *quirks = &hid->quirks;
932
933         if (!field->hidinput)
934                 return;
935
936         input = field->hidinput->input;
937
938         if (!usage->type)
939                 return;
940
941         if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
942                 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
943                 if (value) hid->quirks |=  HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
944                 else       hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
945                 return;
946         }
947
948         if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
949                 input_event(input, usage->type, usage->code, -value);
950                 return;
951         }
952
953         if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
954                 input_event(input, usage->type, REL_HWHEEL, value);
955                 return;
956         }
957
958         if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value))
959                 return;
960
961         if (usage->hat_min < usage->hat_max || usage->hat_dir) {
962                 int hat_dir = usage->hat_dir;
963                 if (!hat_dir)
964                         hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
965                 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
966                 input_event(input, usage->type, usage->code    , hid_hat_to_axis[hat_dir].x);
967                 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
968                 return;
969         }
970
971         if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
972                 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
973                 return;
974         }
975
976         if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
977                 if (value) {
978                         input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
979                         return;
980                 }
981                 input_event(input, usage->type, usage->code, 0);
982                 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
983                 return;
984         }
985
986         if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
987                 int a = field->logical_minimum;
988                 int b = field->logical_maximum;
989                 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
990         }
991
992         if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
993                 dbg_hid("Maximum Effects - %d\n",value);
994                 return;
995         }
996
997         if (usage->hid == (HID_UP_PID | 0x7fUL)) {
998                 dbg_hid("PID Pool Report\n");
999                 return;
1000         }
1001
1002         if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
1003                 return;
1004
1005         if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
1006                         (usage->code == ABS_VOLUME)) {
1007                 int count = abs(value);
1008                 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
1009                 int i;
1010
1011                 for (i = 0; i < count; i++) {
1012                         input_event(input, EV_KEY, direction, 1);
1013                         input_sync(input);
1014                         input_event(input, EV_KEY, direction, 0);
1015                         input_sync(input);
1016                 }
1017                 return;
1018         }
1019
1020         /* Handling MS NEK4K special buttons */
1021         if (IS_MS_NEK4K(hid) && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
1022                 int key = 0;
1023                 static int last_key = 0;
1024                 switch (value) {
1025                         case 0x01: key = BTN_1; break;
1026                         case 0x02: key = BTN_2; break;
1027                         case 0x04: key = BTN_3; break;
1028                         case 0x08: key = BTN_4; break;
1029                         case 0x10: key = BTN_5; break;
1030                         default: break;
1031                 }
1032                 if (key) {
1033                         input_event(input, usage->type, key, 1);
1034                         last_key = key;
1035                 } else {
1036                         input_event(input, usage->type, last_key, 0);
1037                 }
1038         }
1039
1040         input_event(input, usage->type, usage->code, value);
1041
1042         if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
1043                 input_event(input, usage->type, usage->code, 0);
1044 }
1045
1046 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
1047 {
1048         struct hid_input *hidinput;
1049
1050         list_for_each_entry(hidinput, &hid->inputs, list)
1051                 input_sync(hidinput->input);
1052 }
1053 EXPORT_SYMBOL_GPL(hidinput_report_event);
1054
1055 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
1056 {
1057         struct hid_report *report;
1058         int i, j;
1059
1060         list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
1061                 for (i = 0; i < report->maxfield; i++) {
1062                         *field = report->field[i];
1063                         for (j = 0; j < (*field)->maxusage; j++)
1064                                 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
1065                                         return j;
1066                 }
1067         }
1068         return -1;
1069 }
1070 EXPORT_SYMBOL_GPL(hidinput_find_field);
1071
1072 static int hidinput_open(struct input_dev *dev)
1073 {
1074         struct hid_device *hid = input_get_drvdata(dev);
1075
1076         return hid->hid_open(hid);
1077 }
1078
1079 static void hidinput_close(struct input_dev *dev)
1080 {
1081         struct hid_device *hid = input_get_drvdata(dev);
1082
1083         hid->hid_close(hid);
1084 }
1085
1086 /*
1087  * Register the input device; print a message.
1088  * Configure the input layer interface
1089  * Read all reports and initialize the absolute field values.
1090  */
1091
1092 int hidinput_connect(struct hid_device *hid)
1093 {
1094         struct hid_report *report;
1095         struct hid_input *hidinput = NULL;
1096         struct input_dev *input_dev;
1097         int i, j, k;
1098         int max_report_type = HID_OUTPUT_REPORT;
1099
1100         INIT_LIST_HEAD(&hid->inputs);
1101
1102         for (i = 0; i < hid->maxcollection; i++)
1103                 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
1104                     hid->collection[i].type == HID_COLLECTION_PHYSICAL)
1105                         if (IS_INPUT_APPLICATION(hid->collection[i].usage))
1106                                 break;
1107
1108         if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0)
1109                 return -1;
1110
1111         if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
1112                 max_report_type = HID_INPUT_REPORT;
1113
1114         for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
1115                 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
1116
1117                         if (!report->maxfield)
1118                                 continue;
1119
1120                         if (!hidinput) {
1121                                 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
1122                                 input_dev = input_allocate_device();
1123                                 if (!hidinput || !input_dev) {
1124                                         kfree(hidinput);
1125                                         input_free_device(input_dev);
1126                                         err_hid("Out of memory during hid input probe");
1127                                         return -1;
1128                                 }
1129
1130                                 input_set_drvdata(input_dev, hid);
1131                                 input_dev->event = hid->hidinput_input_event;
1132                                 input_dev->open = hidinput_open;
1133                                 input_dev->close = hidinput_close;
1134                                 input_dev->setkeycode = hidinput_setkeycode;
1135                                 input_dev->getkeycode = hidinput_getkeycode;
1136
1137                                 input_dev->name = hid->name;
1138                                 input_dev->phys = hid->phys;
1139                                 input_dev->uniq = hid->uniq;
1140                                 input_dev->id.bustype = hid->bus;
1141                                 input_dev->id.vendor  = hid->vendor;
1142                                 input_dev->id.product = hid->product;
1143                                 input_dev->id.version = hid->version;
1144                                 input_dev->dev.parent = hid->dev;
1145                                 hidinput->input = input_dev;
1146                                 list_add_tail(&hidinput->list, &hid->inputs);
1147                         }
1148
1149                         for (i = 0; i < report->maxfield; i++)
1150                                 for (j = 0; j < report->field[i]->maxusage; j++)
1151                                         hidinput_configure_usage(hidinput, report->field[i],
1152                                                                  report->field[i]->usage + j);
1153
1154                         if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1155                                 /* This will leave hidinput NULL, so that it
1156                                  * allocates another one if we have more inputs on
1157                                  * the same interface. Some devices (e.g. Happ's
1158                                  * UGCI) cram a lot of unrelated inputs into the
1159                                  * same interface. */
1160                                 hidinput->report = report;
1161                                 input_register_device(hidinput->input);
1162                                 hidinput = NULL;
1163                         }
1164                 }
1165
1166         if (hidinput)
1167                 input_register_device(hidinput->input);
1168
1169         return 0;
1170 }
1171 EXPORT_SYMBOL_GPL(hidinput_connect);
1172
1173 void hidinput_disconnect(struct hid_device *hid)
1174 {
1175         struct hid_input *hidinput, *next;
1176
1177         list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1178                 list_del(&hidinput->list);
1179                 input_unregister_device(hidinput->input);
1180                 kfree(hidinput);
1181         }
1182 }
1183 EXPORT_SYMBOL_GPL(hidinput_disconnect);
1184