HID: Add support for Apple aluminum USB keyboards.
[linux-2.6.git] / 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                                 case 0x182: map_key_clear(KEY_BOOKMARKS);       break;
634                                 case 0x183: map_key_clear(KEY_CONFIG);          break;
635                                 case 0x184: map_key_clear(KEY_WORDPROCESSOR);   break;
636                                 case 0x185: map_key_clear(KEY_EDITOR);          break;
637                                 case 0x186: map_key_clear(KEY_SPREADSHEET);     break;
638                                 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR);  break;
639                                 case 0x188: map_key_clear(KEY_PRESENTATION);    break;
640                                 case 0x189: map_key_clear(KEY_DATABASE);        break;
641                                 case 0x18a: map_key_clear(KEY_MAIL);            break;
642                                 case 0x18b: map_key_clear(KEY_NEWS);            break;
643                                 case 0x18c: map_key_clear(KEY_VOICEMAIL);       break;
644                                 case 0x18d: map_key_clear(KEY_ADDRESSBOOK);     break;
645                                 case 0x18e: map_key_clear(KEY_CALENDAR);        break;
646                                 case 0x191: map_key_clear(KEY_FINANCE);         break;
647                                 case 0x192: map_key_clear(KEY_CALC);            break;
648                                 case 0x194: map_key_clear(KEY_FILE);            break;
649                                 case 0x196: map_key_clear(KEY_WWW);             break;
650                                 case 0x19c: map_key_clear(KEY_LOGOFF);          break;
651                                 case 0x19e: map_key_clear(KEY_COFFEE);          break;
652                                 case 0x1a6: map_key_clear(KEY_HELP);            break;
653                                 case 0x1a7: map_key_clear(KEY_DOCUMENTS);       break;
654                                 case 0x1ab: map_key_clear(KEY_SPELLCHECK);      break;
655                                 case 0x1b6: map_key_clear(KEY_MEDIA);           break;
656                                 case 0x1b7: map_key_clear(KEY_SOUND);           break;
657                                 case 0x1bc: map_key_clear(KEY_MESSENGER);       break;
658                                 case 0x1bd: map_key_clear(KEY_INFO);            break;
659                                 case 0x201: map_key_clear(KEY_NEW);             break;
660                                 case 0x202: map_key_clear(KEY_OPEN);            break;
661                                 case 0x203: map_key_clear(KEY_CLOSE);           break;
662                                 case 0x204: map_key_clear(KEY_EXIT);            break;
663                                 case 0x207: map_key_clear(KEY_SAVE);            break;
664                                 case 0x208: map_key_clear(KEY_PRINT);           break;
665                                 case 0x209: map_key_clear(KEY_PROPS);           break;
666                                 case 0x21a: map_key_clear(KEY_UNDO);            break;
667                                 case 0x21b: map_key_clear(KEY_COPY);            break;
668                                 case 0x21c: map_key_clear(KEY_CUT);             break;
669                                 case 0x21d: map_key_clear(KEY_PASTE);           break;
670                                 case 0x21f: map_key_clear(KEY_FIND);            break;
671                                 case 0x221: map_key_clear(KEY_SEARCH);          break;
672                                 case 0x222: map_key_clear(KEY_GOTO);            break;
673                                 case 0x223: map_key_clear(KEY_HOMEPAGE);        break;
674                                 case 0x224: map_key_clear(KEY_BACK);            break;
675                                 case 0x225: map_key_clear(KEY_FORWARD);         break;
676                                 case 0x226: map_key_clear(KEY_STOP);            break;
677                                 case 0x227: map_key_clear(KEY_REFRESH);         break;
678                                 case 0x22a: map_key_clear(KEY_BOOKMARKS);       break;
679                                 case 0x22d: map_key_clear(KEY_ZOOMIN);          break;
680                                 case 0x22e: map_key_clear(KEY_ZOOMOUT);         break;
681                                 case 0x22f: map_key_clear(KEY_ZOOMRESET);       break;
682                                 case 0x233: map_key_clear(KEY_SCROLLUP);        break;
683                                 case 0x234: map_key_clear(KEY_SCROLLDOWN);      break;
684                                 case 0x238: map_rel(REL_HWHEEL);                break;
685                                 case 0x25f: map_key_clear(KEY_CANCEL);          break;
686                                 case 0x279: map_key_clear(KEY_REDO);            break;
687
688                                 case 0x289: map_key_clear(KEY_REPLY);           break;
689                                 case 0x28b: map_key_clear(KEY_FORWARDMAIL);     break;
690                                 case 0x28c: map_key_clear(KEY_SEND);            break;
691
692                                 /* Reported on a Cherry Cymotion keyboard */
693                                 case 0x301: map_key_clear(KEY_PROG1);           break;
694                                 case 0x302: map_key_clear(KEY_PROG2);           break;
695                                 case 0x303: map_key_clear(KEY_PROG3);           break;
696
697                                 /* Reported on certain Logitech wireless keyboards */
698                                 case 0x1001: map_key_clear(KEY_MESSENGER);      break;
699                                 case 0x1003: map_key_clear(KEY_SOUND);          break;
700                                 case 0x1004: map_key_clear(KEY_VIDEO);          break;
701                                 case 0x1005: map_key_clear(KEY_AUDIO);          break;
702                                 case 0x100a: map_key_clear(KEY_DOCUMENTS);      break;
703                                 case 0x1011: map_key_clear(KEY_PREVIOUSSONG);   break;
704                                 case 0x1012: map_key_clear(KEY_NEXTSONG);       break;
705                                 case 0x1013: map_key_clear(KEY_CAMERA);         break;
706                                 case 0x1014: map_key_clear(KEY_MESSENGER);      break;
707                                 case 0x1015: map_key_clear(KEY_RECORD);         break;
708                                 case 0x1016: map_key_clear(KEY_PLAYER);         break;
709                                 case 0x1017: map_key_clear(KEY_EJECTCD);        break;
710                                 case 0x1018: map_key_clear(KEY_MEDIA);          break;
711                                 case 0x1019: map_key_clear(KEY_PROG1);          break;
712                                 case 0x101a: map_key_clear(KEY_PROG2);          break;
713                                 case 0x101b: map_key_clear(KEY_PROG3);          break;
714                                 case 0x101f: map_key_clear(KEY_ZOOMIN);         break;
715                                 case 0x1020: map_key_clear(KEY_ZOOMOUT);        break;
716                                 case 0x1021: map_key_clear(KEY_ZOOMRESET);      break;
717                                 case 0x1023: map_key_clear(KEY_CLOSE);          break;
718                                 case 0x1027: map_key_clear(KEY_MENU);           break;
719                                 /* this one is marked as 'Rotate' */
720                                 case 0x1028: map_key_clear(KEY_ANGLE);          break;
721                                 case 0x1029: map_key_clear(KEY_SHUFFLE);        break;
722                                 case 0x102a: map_key_clear(KEY_BACK);           break;
723                                 case 0x102b: map_key_clear(KEY_CYCLEWINDOWS);   break;
724                                 case 0x1041: map_key_clear(KEY_BATTERY);        break;
725                                 case 0x1042: map_key_clear(KEY_WORDPROCESSOR);  break;
726                                 case 0x1043: map_key_clear(KEY_SPREADSHEET);    break;
727                                 case 0x1044: map_key_clear(KEY_PRESENTATION);   break;
728                                 case 0x1045: map_key_clear(KEY_UNDO);           break;
729                                 case 0x1046: map_key_clear(KEY_REDO);           break;
730                                 case 0x1047: map_key_clear(KEY_PRINT);          break;
731                                 case 0x1048: map_key_clear(KEY_SAVE);           break;
732                                 case 0x1049: map_key_clear(KEY_PROG1);          break;
733                                 case 0x104a: map_key_clear(KEY_PROG2);          break;
734                                 case 0x104b: map_key_clear(KEY_PROG3);          break;
735                                 case 0x104c: map_key_clear(KEY_PROG4);          break;
736
737                                 default:    goto ignore;
738                         }
739                         break;
740
741                 case HID_UP_HPVENDOR:   /* Reported on a Dutch layout HP5308 */
742
743                         set_bit(EV_REP, input->evbit);
744                         switch (usage->hid & HID_USAGE) {
745                                 case 0x021: map_key_clear(KEY_PRINT);           break;
746                                 case 0x070: map_key_clear(KEY_HP);              break;
747                                 case 0x071: map_key_clear(KEY_CAMERA);          break;
748                                 case 0x072: map_key_clear(KEY_SOUND);           break;
749                                 case 0x073: map_key_clear(KEY_QUESTION);        break;
750                                 case 0x080: map_key_clear(KEY_EMAIL);           break;
751                                 case 0x081: map_key_clear(KEY_CHAT);            break;
752                                 case 0x082: map_key_clear(KEY_SEARCH);          break;
753                                 case 0x083: map_key_clear(KEY_CONNECT);         break;
754                                 case 0x084: map_key_clear(KEY_FINANCE);         break;
755                                 case 0x085: map_key_clear(KEY_SPORT);           break;
756                                 case 0x086: map_key_clear(KEY_SHOP);            break;
757                                 default:    goto ignore;
758                         }
759                         break;
760
761                 case HID_UP_MSVENDOR:
762
763                         /* Unfortunately, there are multiple devices which
764                          * emit usages from MSVENDOR page that require different
765                          * handling. If this list grows too much in the future,
766                          * more general handling will have to be introduced here
767                          * (i.e. another blacklist).
768                          */
769
770                         /* Chicony Chicony KU-0418 tactical pad */
771                         if (IS_CHICONY_TACTICAL_PAD(device)) {
772                                 set_bit(EV_REP, input->evbit);
773                                 switch(usage->hid & HID_USAGE) {
774                                         case 0xff01: map_key_clear(BTN_1);              break;
775                                         case 0xff02: map_key_clear(BTN_2);              break;
776                                         case 0xff03: map_key_clear(BTN_3);              break;
777                                         case 0xff04: map_key_clear(BTN_4);              break;
778                                         case 0xff05: map_key_clear(BTN_5);              break;
779                                         case 0xff06: map_key_clear(BTN_6);              break;
780                                         case 0xff07: map_key_clear(BTN_7);              break;
781                                         case 0xff08: map_key_clear(BTN_8);              break;
782                                         case 0xff09: map_key_clear(BTN_9);              break;
783                                         case 0xff0a: map_key_clear(BTN_A);              break;
784                                         case 0xff0b: map_key_clear(BTN_B);              break;
785                                         default:    goto ignore;
786                                 }
787
788                         /* Microsoft Natural Ergonomic Keyboard 4000 */
789                         } else if (IS_MS_KB(device)) {
790                                 switch(usage->hid & HID_USAGE) {
791                                         case 0xfd06:
792                                                 map_key_clear(KEY_CHAT);
793                                                 break;
794                                         case 0xfd07:
795                                                 map_key_clear(KEY_PHONE);
796                                                 break;
797                                         case 0xff05:
798                                                 set_bit(EV_REP, input->evbit);
799                                                 map_key_clear(KEY_F13);
800                                                 set_bit(KEY_F14, input->keybit);
801                                                 set_bit(KEY_F15, input->keybit);
802                                                 set_bit(KEY_F16, input->keybit);
803                                                 set_bit(KEY_F17, input->keybit);
804                                                 set_bit(KEY_F18, input->keybit);
805                                         default:        goto ignore;
806                                 }
807
808                         /* Microsoft Wireless Notebook Presenter Mouse 8000 */
809                         } else if (IS_MS_PRESENTER_8000(device)) {
810                                 set_bit(EV_REP, input->evbit);
811                                 switch(usage->hid & HID_USAGE) {
812                                         /* Useful mappings of bottom-side keys for presentations */
813                                         case 0xfd08: map_key_clear(KEY_RIGHT);          break;
814                                         case 0xfd09: map_key_clear(KEY_LEFT);           break;
815                                         case 0xfd0b: map_key_clear(KEY_PAUSE);          break;
816                                         case 0xfd0f: map_key_clear(KEY_F5);             break;
817                                         default:    goto ignore;
818                                 }
819                         } else
820                                 goto ignore;
821                         break;
822
823                 case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */
824
825                         set_bit(EV_REP, input->evbit);
826                         switch(usage->hid & HID_USAGE) {
827                                 case 0x003:
828                                         /* The fn key on Apple USB keyboards */
829                                         map_key_clear(KEY_FN);
830                                         hidinput_apple_setup(input);
831                                         break;
832
833                                 default:    goto ignore;
834                         }
835                         break;
836
837                 case HID_UP_LOGIVENDOR:
838                         set_bit(EV_REP, input->evbit);
839                         switch(usage->hid & HID_USAGE) {
840                                 /* Reported on Logitech Ultra X Media Remote */
841                                 case 0x004: map_key_clear(KEY_AGAIN);           break;
842                                 case 0x00d: map_key_clear(KEY_HOME);            break;
843                                 case 0x024: map_key_clear(KEY_SHUFFLE);         break;
844                                 case 0x025: map_key_clear(KEY_TV);              break;
845                                 case 0x026: map_key_clear(KEY_MENU);            break;
846                                 case 0x031: map_key_clear(KEY_AUDIO);           break;
847                                 case 0x032: map_key_clear(KEY_TEXT);            break;
848                                 case 0x033: map_key_clear(KEY_LAST);            break;
849                                 case 0x047: map_key_clear(KEY_MP3);             break;
850                                 case 0x048: map_key_clear(KEY_DVD);             break;
851                                 case 0x049: map_key_clear(KEY_MEDIA);           break;
852                                 case 0x04a: map_key_clear(KEY_VIDEO);           break;
853                                 case 0x04b: map_key_clear(KEY_ANGLE);           break;
854                                 case 0x04c: map_key_clear(KEY_LANGUAGE);        break;
855                                 case 0x04d: map_key_clear(KEY_SUBTITLE);        break;
856                                 case 0x051: map_key_clear(KEY_RED);             break;
857                                 case 0x052: map_key_clear(KEY_CLOSE);           break;
858
859                                 /* Reported on Petalynx Maxter remote */
860                                 case 0x05a: map_key_clear(KEY_TEXT);            break;
861                                 case 0x05b: map_key_clear(KEY_RED);             break;
862                                 case 0x05c: map_key_clear(KEY_GREEN);           break;
863                                 case 0x05d: map_key_clear(KEY_YELLOW);          break;
864                                 case 0x05e: map_key_clear(KEY_BLUE);            break;
865
866                                 default:    goto ignore;
867                         }
868                         break;
869
870                 case HID_UP_PID:
871
872                         switch(usage->hid & HID_USAGE) {
873                                 case 0xa4: map_key_clear(BTN_DEAD);     break;
874                                 default: goto ignore;
875                         }
876                         break;
877
878                 default:
879                 unknown:
880                         if (field->report_size == 1) {
881                                 if (field->report->type == HID_OUTPUT_REPORT) {
882                                         map_led(LED_MISC);
883                                         break;
884                                 }
885                                 map_key(BTN_MISC);
886                                 break;
887                         }
888                         if (field->flags & HID_MAIN_ITEM_RELATIVE) {
889                                 map_rel(REL_MISC);
890                                 break;
891                         }
892                         map_abs(ABS_MISC);
893                         break;
894         }
895
896         if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
897                 if (usage->hid == HID_GD_Z)
898                         map_rel(REL_HWHEEL);
899                 else if (usage->code == BTN_1)
900                         map_key(BTN_2);
901                 else if (usage->code == BTN_2)
902                         map_key(BTN_1);
903         }
904
905         if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
906                  (usage->type == EV_REL) && (usage->code == REL_WHEEL))
907                         set_bit(REL_HWHEEL, bit);
908
909         if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
910                 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
911                 goto ignore;
912
913         if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
914                 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
915                 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
916
917         set_bit(usage->type, input->evbit);
918
919         if (device->quirks & HID_QUIRK_DUPLICATE_USAGES &&
920                         (usage->type == EV_KEY ||
921                          usage->type == EV_REL ||
922                          usage->type == EV_ABS))
923                 clear_bit(usage->code, bit);
924
925         while (usage->code <= max && test_and_set_bit(usage->code, bit))
926                 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
927
928         if (usage->code > max)
929                 goto ignore;
930
931
932         if (usage->type == EV_ABS) {
933
934                 int a = field->logical_minimum;
935                 int b = field->logical_maximum;
936
937                 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
938                         a = field->logical_minimum = 0;
939                         b = field->logical_maximum = 255;
940                 }
941
942                 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
943                         input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
944                 else    input_set_abs_params(input, usage->code, a, b, 0, 0);
945
946         }
947
948         if (usage->type == EV_ABS &&
949             (usage->hat_min < usage->hat_max || usage->hat_dir)) {
950                 int i;
951                 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
952                         input_set_abs_params(input, i, -1, 1, 0, 0);
953                         set_bit(i, input->absbit);
954                 }
955                 if (usage->hat_dir && !field->dpad)
956                         field->dpad = usage->code;
957         }
958
959         /* for those devices which produce Consumer volume usage as relative,
960          * we emulate pressing volumeup/volumedown appropriate number of times
961          * in hidinput_hid_event()
962          */
963         if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
964                         (usage->code == ABS_VOLUME)) {
965                 set_bit(KEY_VOLUMEUP, input->keybit);
966                 set_bit(KEY_VOLUMEDOWN, input->keybit);
967         }
968
969         if (usage->type == EV_KEY) {
970                 set_bit(EV_MSC, input->evbit);
971                 set_bit(MSC_SCAN, input->mscbit);
972         }
973
974         hid_resolv_event(usage->type, usage->code);
975
976         dbg_hid_line("\n");
977
978         return;
979
980 ignore:
981         dbg_hid_line("IGNORED\n");
982         return;
983 }
984
985 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
986 {
987         struct input_dev *input;
988         unsigned *quirks = &hid->quirks;
989
990         if (!field->hidinput)
991                 return;
992
993         input = field->hidinput->input;
994
995         if (!usage->type)
996                 return;
997
998         if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
999                 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
1000                 if (value) hid->quirks |=  HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
1001                 else       hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
1002                 return;
1003         }
1004
1005         if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
1006                 input_event(input, usage->type, usage->code, -value);
1007                 return;
1008         }
1009
1010         if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
1011                 input_event(input, usage->type, REL_HWHEEL, value);
1012                 return;
1013         }
1014
1015         if ((hid->quirks & HID_QUIRK_APPLE_HAS_FN) && hidinput_apple_event(hid, input, usage, value))
1016                 return;
1017
1018         if (usage->hat_min < usage->hat_max || usage->hat_dir) {
1019                 int hat_dir = usage->hat_dir;
1020                 if (!hat_dir)
1021                         hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
1022                 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
1023                 input_event(input, usage->type, usage->code    , hid_hat_to_axis[hat_dir].x);
1024                 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
1025                 return;
1026         }
1027
1028         if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
1029                 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
1030                 return;
1031         }
1032
1033         if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
1034                 if (value) {
1035                         input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
1036                         return;
1037                 }
1038                 input_event(input, usage->type, usage->code, 0);
1039                 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
1040                 return;
1041         }
1042
1043         if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
1044                 int a = field->logical_minimum;
1045                 int b = field->logical_maximum;
1046                 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
1047         }
1048
1049         if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
1050                 dbg_hid("Maximum Effects - %d\n",value);
1051                 return;
1052         }
1053
1054         if (usage->hid == (HID_UP_PID | 0x7fUL)) {
1055                 dbg_hid("PID Pool Report\n");
1056                 return;
1057         }
1058
1059         if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
1060                 return;
1061
1062         if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
1063                         (usage->code == ABS_VOLUME)) {
1064                 int count = abs(value);
1065                 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
1066                 int i;
1067
1068                 for (i = 0; i < count; i++) {
1069                         input_event(input, EV_KEY, direction, 1);
1070                         input_sync(input);
1071                         input_event(input, EV_KEY, direction, 0);
1072                         input_sync(input);
1073                 }
1074                 return;
1075         }
1076
1077         /* Handling MS keyboards special buttons */
1078         if (IS_MS_KB(hid) && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
1079                 int key = 0;
1080                 static int last_key = 0;
1081                 switch (value) {
1082                         case 0x01: key = KEY_F14; break;
1083                         case 0x02: key = KEY_F15; break;
1084                         case 0x04: key = KEY_F16; break;
1085                         case 0x08: key = KEY_F17; break;
1086                         case 0x10: key = KEY_F18; break;
1087                         default: break;
1088                 }
1089                 if (key) {
1090                         input_event(input, usage->type, key, 1);
1091                         last_key = key;
1092                 } else {
1093                         input_event(input, usage->type, last_key, 0);
1094                 }
1095         }
1096         /* report the usage code as scancode if the key status has changed */
1097         if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
1098                 input_event(input, EV_MSC, MSC_SCAN, usage->hid);
1099
1100         input_event(input, usage->type, usage->code, value);
1101
1102         if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
1103                 input_event(input, usage->type, usage->code, 0);
1104 }
1105
1106 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
1107 {
1108         struct hid_input *hidinput;
1109
1110         list_for_each_entry(hidinput, &hid->inputs, list)
1111                 input_sync(hidinput->input);
1112 }
1113 EXPORT_SYMBOL_GPL(hidinput_report_event);
1114
1115 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
1116 {
1117         struct hid_report *report;
1118         int i, j;
1119
1120         list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
1121                 for (i = 0; i < report->maxfield; i++) {
1122                         *field = report->field[i];
1123                         for (j = 0; j < (*field)->maxusage; j++)
1124                                 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
1125                                         return j;
1126                 }
1127         }
1128         return -1;
1129 }
1130 EXPORT_SYMBOL_GPL(hidinput_find_field);
1131
1132 static int hidinput_open(struct input_dev *dev)
1133 {
1134         struct hid_device *hid = input_get_drvdata(dev);
1135
1136         return hid->hid_open(hid);
1137 }
1138
1139 static void hidinput_close(struct input_dev *dev)
1140 {
1141         struct hid_device *hid = input_get_drvdata(dev);
1142
1143         hid->hid_close(hid);
1144 }
1145
1146 /*
1147  * Register the input device; print a message.
1148  * Configure the input layer interface
1149  * Read all reports and initialize the absolute field values.
1150  */
1151
1152 int hidinput_connect(struct hid_device *hid)
1153 {
1154         struct hid_report *report;
1155         struct hid_input *hidinput = NULL;
1156         struct input_dev *input_dev;
1157         int i, j, k;
1158         int max_report_type = HID_OUTPUT_REPORT;
1159
1160         if (hid->quirks & HID_QUIRK_IGNORE_HIDINPUT)
1161                 return -1;
1162
1163         INIT_LIST_HEAD(&hid->inputs);
1164
1165         for (i = 0; i < hid->maxcollection; i++)
1166                 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
1167                     hid->collection[i].type == HID_COLLECTION_PHYSICAL)
1168                         if (IS_INPUT_APPLICATION(hid->collection[i].usage))
1169                                 break;
1170
1171         if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0)
1172                 return -1;
1173
1174         if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
1175                 max_report_type = HID_INPUT_REPORT;
1176
1177         for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
1178                 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
1179
1180                         if (!report->maxfield)
1181                                 continue;
1182
1183                         if (!hidinput) {
1184                                 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
1185                                 input_dev = input_allocate_device();
1186                                 if (!hidinput || !input_dev) {
1187                                         kfree(hidinput);
1188                                         input_free_device(input_dev);
1189                                         err_hid("Out of memory during hid input probe");
1190                                         goto out_unwind;
1191                                 }
1192
1193                                 input_set_drvdata(input_dev, hid);
1194                                 input_dev->event = hid->hidinput_input_event;
1195                                 input_dev->open = hidinput_open;
1196                                 input_dev->close = hidinput_close;
1197                                 input_dev->setkeycode = hidinput_setkeycode;
1198                                 input_dev->getkeycode = hidinput_getkeycode;
1199
1200                                 input_dev->name = hid->name;
1201                                 input_dev->phys = hid->phys;
1202                                 input_dev->uniq = hid->uniq;
1203                                 input_dev->id.bustype = hid->bus;
1204                                 input_dev->id.vendor  = hid->vendor;
1205                                 input_dev->id.product = hid->product;
1206                                 input_dev->id.version = hid->version;
1207                                 input_dev->dev.parent = hid->dev;
1208                                 hidinput->input = input_dev;
1209                                 list_add_tail(&hidinput->list, &hid->inputs);
1210                         }
1211
1212                         for (i = 0; i < report->maxfield; i++)
1213                                 for (j = 0; j < report->field[i]->maxusage; j++)
1214                                         hidinput_configure_usage(hidinput, report->field[i],
1215                                                                  report->field[i]->usage + j);
1216
1217                         if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1218                                 /* This will leave hidinput NULL, so that it
1219                                  * allocates another one if we have more inputs on
1220                                  * the same interface. Some devices (e.g. Happ's
1221                                  * UGCI) cram a lot of unrelated inputs into the
1222                                  * same interface. */
1223                                 hidinput->report = report;
1224                                 if (input_register_device(hidinput->input))
1225                                         goto out_cleanup;
1226                                 hidinput = NULL;
1227                         }
1228                 }
1229
1230         if (hidinput && input_register_device(hidinput->input))
1231                 goto out_cleanup;
1232
1233         return 0;
1234
1235 out_cleanup:
1236         input_free_device(hidinput->input);
1237         kfree(hidinput);
1238 out_unwind:
1239         /* unwind the ones we already registered */
1240         hidinput_disconnect(hid);
1241
1242         return -1;
1243 }
1244 EXPORT_SYMBOL_GPL(hidinput_connect);
1245
1246 void hidinput_disconnect(struct hid_device *hid)
1247 {
1248         struct hid_input *hidinput, *next;
1249
1250         list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1251                 list_del(&hidinput->list);
1252                 input_unregister_device(hidinput->input);
1253                 kfree(hidinput);
1254         }
1255 }
1256 EXPORT_SYMBOL_GPL(hidinput_disconnect);
1257