Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[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,unk,unk,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 static const struct {
64         __s32 x;
65         __s32 y;
66 }  hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
67
68 #define map_abs(c)      do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
69 #define map_rel(c)      do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
70 #define map_key(c)      do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
71 #define map_led(c)      do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
72
73 #define map_abs_clear(c)        do { map_abs(c); clear_bit(c, bit); } while (0)
74 #define map_key_clear(c)        do { map_key(c); clear_bit(c, bit); } while (0)
75
76 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK
77
78 struct hidinput_key_translation {
79         u16 from;
80         u16 to;
81         u8 flags;
82 };
83
84 #define POWERBOOK_FLAG_FKEY 0x01
85
86 static struct hidinput_key_translation powerbook_fn_keys[] = {
87         { KEY_BACKSPACE, KEY_DELETE },
88         { KEY_F1,       KEY_BRIGHTNESSDOWN,     POWERBOOK_FLAG_FKEY },
89         { KEY_F2,       KEY_BRIGHTNESSUP,       POWERBOOK_FLAG_FKEY },
90         { KEY_F3,       KEY_MUTE,               POWERBOOK_FLAG_FKEY },
91         { KEY_F4,       KEY_VOLUMEDOWN,         POWERBOOK_FLAG_FKEY },
92         { KEY_F5,       KEY_VOLUMEUP,           POWERBOOK_FLAG_FKEY },
93         { KEY_F6,       KEY_NUMLOCK,            POWERBOOK_FLAG_FKEY },
94         { KEY_F7,       KEY_SWITCHVIDEOMODE,    POWERBOOK_FLAG_FKEY },
95         { KEY_F8,       KEY_KBDILLUMTOGGLE,     POWERBOOK_FLAG_FKEY },
96         { KEY_F9,       KEY_KBDILLUMDOWN,       POWERBOOK_FLAG_FKEY },
97         { KEY_F10,      KEY_KBDILLUMUP,         POWERBOOK_FLAG_FKEY },
98         { KEY_UP,       KEY_PAGEUP },
99         { KEY_DOWN,     KEY_PAGEDOWN },
100         { KEY_LEFT,     KEY_HOME },
101         { KEY_RIGHT,    KEY_END },
102         { }
103 };
104
105 static struct hidinput_key_translation powerbook_numlock_keys[] = {
106         { KEY_J,        KEY_KP1 },
107         { KEY_K,        KEY_KP2 },
108         { KEY_L,        KEY_KP3 },
109         { KEY_U,        KEY_KP4 },
110         { KEY_I,        KEY_KP5 },
111         { KEY_O,        KEY_KP6 },
112         { KEY_7,        KEY_KP7 },
113         { KEY_8,        KEY_KP8 },
114         { KEY_9,        KEY_KP9 },
115         { KEY_M,        KEY_KP0 },
116         { KEY_DOT,      KEY_KPDOT },
117         { KEY_SLASH,    KEY_KPPLUS },
118         { KEY_SEMICOLON, KEY_KPMINUS },
119         { KEY_P,        KEY_KPASTERISK },
120         { KEY_MINUS,    KEY_KPEQUAL },
121         { KEY_0,        KEY_KPSLASH },
122         { KEY_F6,       KEY_NUMLOCK },
123         { KEY_KPENTER,  KEY_KPENTER },
124         { KEY_BACKSPACE, KEY_BACKSPACE },
125         { }
126 };
127
128 static struct hidinput_key_translation powerbook_iso_keyboard[] = {
129         { KEY_GRAVE,    KEY_102ND },
130         { KEY_102ND,    KEY_GRAVE },
131         { }
132 };
133
134 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
135 {
136         struct hidinput_key_translation *trans;
137
138         /* Look for the translation */
139         for (trans = table; trans->from; trans++)
140                 if (trans->from == from)
141                         return trans;
142
143         return NULL;
144 }
145
146 static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
147                 struct hid_usage *usage, __s32 value)
148 {
149         struct hidinput_key_translation *trans;
150
151         if (usage->code == KEY_FN) {
152                 if (value) hid->quirks |=  HID_QUIRK_POWERBOOK_FN_ON;
153                 else       hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON;
154
155                 input_event(input, usage->type, usage->code, value);
156
157                 return 1;
158         }
159
160         if (hid_pb_fnmode) {
161                 int do_translate;
162
163                 trans = find_translation(powerbook_fn_keys, usage->code);
164                 if (trans) {
165                         if (test_bit(usage->code, hid->pb_pressed_fn))
166                                 do_translate = 1;
167                         else if (trans->flags & POWERBOOK_FLAG_FKEY)
168                                 do_translate =
169                                         (hid_pb_fnmode == 2 &&  (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) ||
170                                         (hid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON));
171                         else
172                                 do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON);
173
174                         if (do_translate) {
175                                 if (value)
176                                         set_bit(usage->code, hid->pb_pressed_fn);
177                                 else
178                                         clear_bit(usage->code, hid->pb_pressed_fn);
179
180                                 input_event(input, usage->type, trans->to, value);
181
182                                 return 1;
183                         }
184                 }
185
186                 if (test_bit(usage->code, hid->pb_pressed_numlock) ||
187                                 test_bit(LED_NUML, input->led)) {
188                         trans = find_translation(powerbook_numlock_keys, usage->code);
189
190                         if (trans) {
191                                 if (value)
192                                         set_bit(usage->code, hid->pb_pressed_numlock);
193                                 else
194                                         clear_bit(usage->code, hid->pb_pressed_numlock);
195
196                                 input_event(input, usage->type, trans->to, value);
197                         }
198
199                         return 1;
200                 }
201         }
202
203         if (hid->quirks & HID_QUIRK_POWERBOOK_ISO_KEYBOARD) {
204                 trans = find_translation(powerbook_iso_keyboard, usage->code);
205                 if (trans) {
206                         input_event(input, usage->type, trans->to, value);
207                         return 1;
208                 }
209         }
210
211         return 0;
212 }
213
214 static void hidinput_pb_setup(struct input_dev *input)
215 {
216         struct hidinput_key_translation *trans;
217
218         set_bit(KEY_NUMLOCK, input->keybit);
219
220         /* Enable all needed keys */
221         for (trans = powerbook_fn_keys; trans->from; trans++)
222                 set_bit(trans->to, input->keybit);
223
224         for (trans = powerbook_numlock_keys; trans->from; trans++)
225                 set_bit(trans->to, input->keybit);
226
227         for (trans = powerbook_iso_keyboard; trans->from; trans++)
228                 set_bit(trans->to, input->keybit);
229
230 }
231 #else
232 static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
233                 struct hid_usage *usage, __s32 value)
234 {
235         return 0;
236 }
237
238 static inline void hidinput_pb_setup(struct input_dev *input)
239 {
240 }
241 #endif
242
243 static inline int match_scancode(int code, int scancode)
244 {
245         if (scancode == 0)
246                 return 1;
247         return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode);
248 }
249
250 static inline int match_keycode(int code, int keycode)
251 {
252         if (keycode == 0)
253                 return 1;
254         return (code == keycode);
255 }
256
257 static struct hid_usage *hidinput_find_key(struct hid_device *hid,
258                 int scancode, int keycode)
259 {
260         int i, j, k;
261         struct hid_report *report;
262         struct hid_usage *usage;
263
264         for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
265                 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
266                         for (i = 0; i < report->maxfield; i++) {
267                                 for ( j = 0; j < report->field[i]->maxusage; j++) {
268                                         usage = report->field[i]->usage + j;
269                                         if (usage->type == EV_KEY &&
270                                                 match_scancode(usage->hid, scancode) &&
271                                                 match_keycode(usage->code, keycode))
272                                                 return usage;
273                                 }
274                         }
275                 }
276         }
277         return NULL;
278 }
279
280 static int hidinput_getkeycode(struct input_dev *dev, int scancode,
281                                 int *keycode)
282 {
283         struct hid_device *hid = dev->private;
284         struct hid_usage *usage;
285         
286         usage = hidinput_find_key(hid, scancode, 0);
287         if (usage) {
288                 *keycode = usage->code;
289                 return 0;
290         }
291         return -EINVAL;
292 }
293
294 static int hidinput_setkeycode(struct input_dev *dev, int scancode,
295                                 int keycode)
296 {
297         struct hid_device *hid = dev->private;
298         struct hid_usage *usage;
299         int old_keycode;
300         
301         if (keycode < 0 || keycode > KEY_MAX)
302                 return -EINVAL;
303         
304         usage = hidinput_find_key(hid, scancode, 0);
305         if (usage) {
306                 old_keycode = usage->code;
307                 usage->code = keycode;
308                 
309                 clear_bit(old_keycode, dev->keybit);
310                 set_bit(usage->code, dev->keybit);
311 #ifdef CONFIG_HID_DEBUG
312                 printk (KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode);
313 #endif
314                 /* Set the keybit for the old keycode if the old keycode is used
315                  * by another key */
316                 if (hidinput_find_key (hid, 0, old_keycode))
317                         set_bit(old_keycode, dev->keybit);
318                 
319                 return 0;
320         }
321         
322         return -EINVAL;
323 }
324
325
326 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
327                                      struct hid_usage *usage)
328 {
329         struct input_dev *input = hidinput->input;
330         struct hid_device *device = input_get_drvdata(input);
331         int max = 0, code;
332         unsigned long *bit = NULL;
333
334         field->hidinput = hidinput;
335
336 #ifdef CONFIG_HID_DEBUG
337         printk(KERN_DEBUG "Mapping: ");
338         hid_resolv_usage(usage->hid);
339         printk(" ---> ");
340 #endif
341
342         if (field->flags & HID_MAIN_ITEM_CONSTANT)
343                 goto ignore;
344
345         switch (usage->hid & HID_USAGE_PAGE) {
346
347                 case HID_UP_UNDEFINED:
348                         goto ignore;
349
350                 case HID_UP_KEYBOARD:
351
352                         set_bit(EV_REP, input->evbit);
353
354                         if ((usage->hid & HID_USAGE) < 256) {
355                                 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
356                                 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
357                         } else
358                                 map_key(KEY_UNKNOWN);
359
360                         break;
361
362                 case HID_UP_BUTTON:
363
364                         code = ((usage->hid - 1) & 0xf);
365
366                         switch (field->application) {
367                                 case HID_GD_MOUSE:
368                                 case HID_GD_POINTER:  code += 0x110; break;
369                                 case HID_GD_JOYSTICK: code += 0x120; break;
370                                 case HID_GD_GAMEPAD:  code += 0x130; break;
371                                 default:
372                                         switch (field->physical) {
373                                                 case HID_GD_MOUSE:
374                                                 case HID_GD_POINTER:  code += 0x110; break;
375                                                 case HID_GD_JOYSTICK: code += 0x120; break;
376                                                 case HID_GD_GAMEPAD:  code += 0x130; break;
377                                                 default:              code += 0x100;
378                                         }
379                         }
380
381                         map_key(code);
382                         break;
383
384
385                 case HID_UP_SIMULATION:
386
387                         switch (usage->hid & 0xffff) {
388                                 case 0xba: map_abs(ABS_RUDDER);   break;
389                                 case 0xbb: map_abs(ABS_THROTTLE); break;
390                                 case 0xc4: map_abs(ABS_GAS);      break;
391                                 case 0xc5: map_abs(ABS_BRAKE);    break;
392                                 case 0xc8: map_abs(ABS_WHEEL);    break;
393                                 default:   goto ignore;
394                         }
395                         break;
396
397                 case HID_UP_GENDESK:
398
399                         if ((usage->hid & 0xf0) == 0x80) {      /* SystemControl */
400                                 switch (usage->hid & 0xf) {
401                                         case 0x1: map_key_clear(KEY_POWER);  break;
402                                         case 0x2: map_key_clear(KEY_SLEEP);  break;
403                                         case 0x3: map_key_clear(KEY_WAKEUP); break;
404                                         default: goto unknown;
405                                 }
406                                 break;
407                         }
408
409                         if ((usage->hid & 0xf0) == 0x90) {      /* D-pad */
410                                 switch (usage->hid) {
411                                         case HID_GD_UP:    usage->hat_dir = 1; break;
412                                         case HID_GD_DOWN:  usage->hat_dir = 5; break;
413                                         case HID_GD_RIGHT: usage->hat_dir = 3; break;
414                                         case HID_GD_LEFT:  usage->hat_dir = 7; break;
415                                         default: goto unknown;
416                                 }
417                                 if (field->dpad) {
418                                         map_abs(field->dpad);
419                                         goto ignore;
420                                 }
421                                 map_abs(ABS_HAT0X);
422                                 break;
423                         }
424
425                         switch (usage->hid) {
426
427                                 /* These usage IDs map directly to the usage codes. */
428                                 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
429                                 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
430                                 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
431                                         if (field->flags & HID_MAIN_ITEM_RELATIVE)
432                                                 map_rel(usage->hid & 0xf);
433                                         else
434                                                 map_abs(usage->hid & 0xf);
435                                         break;
436
437                                 case HID_GD_HATSWITCH:
438                                         usage->hat_min = field->logical_minimum;
439                                         usage->hat_max = field->logical_maximum;
440                                         map_abs(ABS_HAT0X);
441                                         break;
442
443                                 case HID_GD_START:      map_key_clear(BTN_START);       break;
444                                 case HID_GD_SELECT:     map_key_clear(BTN_SELECT);      break;
445
446                                 default: goto unknown;
447                         }
448
449                         break;
450
451                 case HID_UP_LED:
452
453                         switch (usage->hid & 0xffff) {                        /* HID-Value:                   */
454                                 case 0x01:  map_led (LED_NUML);     break;    /*   "Num Lock"                 */
455                                 case 0x02:  map_led (LED_CAPSL);    break;    /*   "Caps Lock"                */
456                                 case 0x03:  map_led (LED_SCROLLL);  break;    /*   "Scroll Lock"              */
457                                 case 0x04:  map_led (LED_COMPOSE);  break;    /*   "Compose"                  */
458                                 case 0x05:  map_led (LED_KANA);     break;    /*   "Kana"                     */
459                                 case 0x27:  map_led (LED_SLEEP);    break;    /*   "Stand-By"                 */
460                                 case 0x4c:  map_led (LED_SUSPEND);  break;    /*   "System Suspend"           */
461                                 case 0x09:  map_led (LED_MUTE);     break;    /*   "Mute"                     */
462                                 case 0x4b:  map_led (LED_MISC);     break;    /*   "Generic Indicator"        */
463                                 case 0x19:  map_led (LED_MAIL);     break;    /*   "Message Waiting"          */
464                                 case 0x4d:  map_led (LED_CHARGING); break;    /*   "External Power Connected" */
465
466                                 default: goto ignore;
467                         }
468                         break;
469
470                 case HID_UP_DIGITIZER:
471
472                         switch (usage->hid & 0xff) {
473
474                                 case 0x30: /* TipPressure */
475                                         if (!test_bit(BTN_TOUCH, input->keybit)) {
476                                                 device->quirks |= HID_QUIRK_NOTOUCH;
477                                                 set_bit(EV_KEY, input->evbit);
478                                                 set_bit(BTN_TOUCH, input->keybit);
479                                         }
480
481                                         map_abs_clear(ABS_PRESSURE);
482                                         break;
483
484                                 case 0x32: /* InRange */
485                                         switch (field->physical & 0xff) {
486                                                 case 0x21: map_key(BTN_TOOL_MOUSE); break;
487                                                 case 0x22: map_key(BTN_TOOL_FINGER); break;
488                                                 default: map_key(BTN_TOOL_PEN); break;
489                                         }
490                                         break;
491
492                                 case 0x3c: /* Invert */
493                                         map_key_clear(BTN_TOOL_RUBBER);
494                                         break;
495
496                                 case 0x33: /* Touch */
497                                 case 0x42: /* TipSwitch */
498                                 case 0x43: /* TipSwitch2 */
499                                         device->quirks &= ~HID_QUIRK_NOTOUCH;
500                                         map_key_clear(BTN_TOUCH);
501                                         break;
502
503                                 case 0x44: /* BarrelSwitch */
504                                         map_key_clear(BTN_STYLUS);
505                                         break;
506
507                                 default:  goto unknown;
508                         }
509                         break;
510
511                 case HID_UP_CONSUMER:   /* USB HUT v1.1, pages 56-62 */
512
513                         switch (usage->hid & HID_USAGE) {
514                                 case 0x000: goto ignore;
515                                 case 0x034: map_key_clear(KEY_SLEEP);           break;
516                                 case 0x036: map_key_clear(BTN_MISC);            break;
517                                 /*
518                                  * The next three are reported by Belkin wireless
519                                  * keyboard (1020:0006). These values are "reserved"
520                                  * in HUT 1.12.
521                                  */
522                                 case 0x03a: map_key_clear(KEY_SOUND);           break;
523                                 case 0x03b: map_key_clear(KEY_CAMERA);          break;
524                                 case 0x03c: map_key_clear(KEY_DOCUMENTS);       break;
525
526                                 case 0x040: map_key_clear(KEY_MENU);            break;
527                                 case 0x045: map_key_clear(KEY_RADIO);           break;
528
529                                 case 0x083: map_key_clear(KEY_LAST);            break;
530                                 case 0x088: map_key_clear(KEY_PC);              break;
531                                 case 0x089: map_key_clear(KEY_TV);              break;
532                                 case 0x08a: map_key_clear(KEY_WWW);             break;
533                                 case 0x08b: map_key_clear(KEY_DVD);             break;
534                                 case 0x08c: map_key_clear(KEY_PHONE);           break;
535                                 case 0x08d: map_key_clear(KEY_PROGRAM);         break;
536                                 case 0x08e: map_key_clear(KEY_VIDEOPHONE);      break;
537                                 case 0x08f: map_key_clear(KEY_GAMES);           break;
538                                 case 0x090: map_key_clear(KEY_MEMO);            break;
539                                 case 0x091: map_key_clear(KEY_CD);              break;
540                                 case 0x092: map_key_clear(KEY_VCR);             break;
541                                 case 0x093: map_key_clear(KEY_TUNER);           break;
542                                 case 0x094: map_key_clear(KEY_EXIT);            break;
543                                 case 0x095: map_key_clear(KEY_HELP);            break;
544                                 case 0x096: map_key_clear(KEY_TAPE);            break;
545                                 case 0x097: map_key_clear(KEY_TV2);             break;
546                                 case 0x098: map_key_clear(KEY_SAT);             break;
547                                 case 0x09a: map_key_clear(KEY_PVR);             break;
548
549                                 case 0x09c: map_key_clear(KEY_CHANNELUP);       break;
550                                 case 0x09d: map_key_clear(KEY_CHANNELDOWN);     break;
551                                 case 0x0a0: map_key_clear(KEY_VCR2);            break;
552
553                                 case 0x0b0: map_key_clear(KEY_PLAY);            break;
554                                 case 0x0b1: map_key_clear(KEY_PAUSE);           break;
555                                 case 0x0b2: map_key_clear(KEY_RECORD);          break;
556                                 case 0x0b3: map_key_clear(KEY_FASTFORWARD);     break;
557                                 case 0x0b4: map_key_clear(KEY_REWIND);          break;
558                                 case 0x0b5: map_key_clear(KEY_NEXTSONG);        break;
559                                 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG);    break;
560                                 case 0x0b7: map_key_clear(KEY_STOPCD);          break;
561                                 case 0x0b8: map_key_clear(KEY_EJECTCD);         break;
562
563                                 case 0x0cd: map_key_clear(KEY_PLAYPAUSE);       break;
564                                 case 0x0e0: map_abs_clear(ABS_VOLUME);          break;
565                                 case 0x0e2: map_key_clear(KEY_MUTE);            break;
566                                 case 0x0e5: map_key_clear(KEY_BASSBOOST);       break;
567                                 case 0x0e9: map_key_clear(KEY_VOLUMEUP);        break;
568                                 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN);      break;
569                                 case 0x183: map_key_clear(KEY_CONFIG);          break;
570                                 case 0x184: map_key_clear(KEY_WORDPROCESSOR);   break;
571                                 case 0x185: map_key_clear(KEY_EDITOR);          break;
572                                 case 0x186: map_key_clear(KEY_SPREADSHEET);     break;
573                                 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR);  break;
574                                 case 0x188: map_key_clear(KEY_PRESENTATION);    break;
575                                 case 0x189: map_key_clear(KEY_DATABASE);        break;
576                                 case 0x18a: map_key_clear(KEY_MAIL);            break;
577                                 case 0x18b: map_key_clear(KEY_NEWS);            break;
578                                 case 0x18c: map_key_clear(KEY_VOICEMAIL);       break;
579                                 case 0x18d: map_key_clear(KEY_ADDRESSBOOK);     break;
580                                 case 0x18e: map_key_clear(KEY_CALENDAR);        break;
581                                 case 0x191: map_key_clear(KEY_FINANCE);         break;
582                                 case 0x192: map_key_clear(KEY_CALC);            break;
583                                 case 0x194: map_key_clear(KEY_FILE);            break;
584                                 case 0x196: map_key_clear(KEY_WWW);             break;
585                                 case 0x19e: map_key_clear(KEY_COFFEE);          break;
586                                 case 0x1a6: map_key_clear(KEY_HELP);            break;
587                                 case 0x1a7: map_key_clear(KEY_DOCUMENTS);       break;
588                                 case 0x1bc: map_key_clear(KEY_MESSENGER);       break;
589                                 case 0x1bd: map_key_clear(KEY_INFO);            break;
590                                 case 0x201: map_key_clear(KEY_NEW);             break;
591                                 case 0x202: map_key_clear(KEY_OPEN);            break;
592                                 case 0x203: map_key_clear(KEY_CLOSE);           break;
593                                 case 0x204: map_key_clear(KEY_EXIT);            break;
594                                 case 0x207: map_key_clear(KEY_SAVE);            break;
595                                 case 0x208: map_key_clear(KEY_PRINT);           break;
596                                 case 0x209: map_key_clear(KEY_PROPS);           break;
597                                 case 0x21a: map_key_clear(KEY_UNDO);            break;
598                                 case 0x21b: map_key_clear(KEY_COPY);            break;
599                                 case 0x21c: map_key_clear(KEY_CUT);             break;
600                                 case 0x21d: map_key_clear(KEY_PASTE);           break;
601                                 case 0x221: map_key_clear(KEY_FIND);            break;
602                                 case 0x223: map_key_clear(KEY_HOMEPAGE);        break;
603                                 case 0x224: map_key_clear(KEY_BACK);            break;
604                                 case 0x225: map_key_clear(KEY_FORWARD);         break;
605                                 case 0x226: map_key_clear(KEY_STOP);            break;
606                                 case 0x227: map_key_clear(KEY_REFRESH);         break;
607                                 case 0x22a: map_key_clear(KEY_BOOKMARKS);       break;
608                                 case 0x22d: map_key_clear(KEY_ZOOMIN);          break;
609                                 case 0x22e: map_key_clear(KEY_ZOOMOUT);         break;
610                                 case 0x22f: map_key_clear(KEY_ZOOMRESET);       break;
611                                 case 0x233: map_key_clear(KEY_SCROLLUP);        break;
612                                 case 0x234: map_key_clear(KEY_SCROLLDOWN);      break;
613                                 case 0x238: map_rel(REL_HWHEEL);                break;
614                                 case 0x25f: map_key_clear(KEY_CANCEL);          break;
615                                 case 0x279: map_key_clear(KEY_REDO);            break;
616
617                                 case 0x289: map_key_clear(KEY_REPLY);           break;
618                                 case 0x28b: map_key_clear(KEY_FORWARDMAIL);     break;
619                                 case 0x28c: map_key_clear(KEY_SEND);            break;
620
621                                 /* Reported on a Cherry Cymotion keyboard */
622                                 case 0x301: map_key_clear(KEY_PROG1);           break;
623                                 case 0x302: map_key_clear(KEY_PROG2);           break;
624                                 case 0x303: map_key_clear(KEY_PROG3);           break;
625
626                                 /* Reported on certain Logitech wireless keyboards */
627                                 case 0x1001: map_key_clear(KEY_MESSENGER);      break;
628                                 case 0x1003: map_key_clear(KEY_SOUND);          break;
629                                 case 0x1004: map_key_clear(KEY_VIDEO);          break;
630                                 case 0x1005: map_key_clear(KEY_AUDIO);          break;
631                                 case 0x100a: map_key_clear(KEY_DOCUMENTS);      break;
632                                 case 0x1011: map_key_clear(KEY_PREVIOUSSONG);   break;
633                                 case 0x1012: map_key_clear(KEY_NEXTSONG);       break;
634                                 case 0x1013: map_key_clear(KEY_CAMERA);         break;
635                                 case 0x1014: map_key_clear(KEY_MESSENGER);      break;
636                                 case 0x1015: map_key_clear(KEY_RECORD);         break;
637                                 case 0x1016: map_key_clear(KEY_PLAYER);         break;
638                                 case 0x1017: map_key_clear(KEY_EJECTCD);        break;
639                                 case 0x1018: map_key_clear(KEY_MEDIA);          break;
640                                 case 0x1019: map_key_clear(KEY_PROG1);          break;
641                                 case 0x101a: map_key_clear(KEY_PROG2);          break;
642                                 case 0x101b: map_key_clear(KEY_PROG3);          break;
643                                 case 0x101f: map_key_clear(KEY_ZOOMIN);         break;
644                                 case 0x1020: map_key_clear(KEY_ZOOMOUT);        break;
645                                 case 0x1021: map_key_clear(KEY_ZOOMRESET);      break;
646                                 case 0x1023: map_key_clear(KEY_CLOSE);          break;
647                                 case 0x1027: map_key_clear(KEY_MENU);           break;
648                                 /* this one is marked as 'Rotate' */
649                                 case 0x1028: map_key_clear(KEY_ANGLE);          break;
650                                 case 0x1029: map_key_clear(KEY_SHUFFLE);        break;
651                                 case 0x102a: map_key_clear(KEY_BACK);           break;
652                                 case 0x102b: map_key_clear(KEY_CYCLEWINDOWS);   break;
653                                 case 0x1041: map_key_clear(KEY_BATTERY);        break;
654                                 case 0x1042: map_key_clear(KEY_WORDPROCESSOR);  break;
655                                 case 0x1043: map_key_clear(KEY_SPREADSHEET);    break;
656                                 case 0x1044: map_key_clear(KEY_PRESENTATION);   break;
657                                 case 0x1045: map_key_clear(KEY_UNDO);           break;
658                                 case 0x1046: map_key_clear(KEY_REDO);           break;
659                                 case 0x1047: map_key_clear(KEY_PRINT);          break;
660                                 case 0x1048: map_key_clear(KEY_SAVE);           break;
661                                 case 0x1049: map_key_clear(KEY_PROG1);          break;
662                                 case 0x104a: map_key_clear(KEY_PROG2);          break;
663                                 case 0x104b: map_key_clear(KEY_PROG3);          break;
664                                 case 0x104c: map_key_clear(KEY_PROG4);          break;
665
666                                 default:    goto ignore;
667                         }
668                         break;
669
670                 case HID_UP_HPVENDOR:   /* Reported on a Dutch layout HP5308 */
671
672                         set_bit(EV_REP, input->evbit);
673                         switch (usage->hid & HID_USAGE) {
674                                 case 0x021: map_key_clear(KEY_PRINT);           break;
675                                 case 0x070: map_key_clear(KEY_HP);              break;
676                                 case 0x071: map_key_clear(KEY_CAMERA);          break;
677                                 case 0x072: map_key_clear(KEY_SOUND);           break;
678                                 case 0x073: map_key_clear(KEY_QUESTION);        break;
679                                 case 0x080: map_key_clear(KEY_EMAIL);           break;
680                                 case 0x081: map_key_clear(KEY_CHAT);            break;
681                                 case 0x082: map_key_clear(KEY_SEARCH);          break;
682                                 case 0x083: map_key_clear(KEY_CONNECT);         break;
683                                 case 0x084: map_key_clear(KEY_FINANCE);         break;
684                                 case 0x085: map_key_clear(KEY_SPORT);           break;
685                                 case 0x086: map_key_clear(KEY_SHOP);            break;
686                                 default:    goto ignore;
687                         }
688                         break;
689
690                 case HID_UP_MSVENDOR:
691                         goto ignore;
692
693                 case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
694
695                         set_bit(EV_REP, input->evbit);
696                         switch(usage->hid & HID_USAGE) {
697                                 case 0x003:
698                                         /* The fn key on Apple PowerBooks */
699                                         map_key_clear(KEY_FN);
700                                         hidinput_pb_setup(input);
701                                         break;
702
703                                 default:    goto ignore;
704                         }
705                         break;
706
707                 case HID_UP_LOGIVENDOR: /* Reported on Logitech Ultra X Media Remote */
708
709                         set_bit(EV_REP, input->evbit);
710                         switch(usage->hid & HID_USAGE) {
711                                 case 0x004: map_key_clear(KEY_AGAIN);           break;
712                                 case 0x00d: map_key_clear(KEY_HOME);            break;
713                                 case 0x024: map_key_clear(KEY_SHUFFLE);         break;
714                                 case 0x025: map_key_clear(KEY_TV);              break;
715                                 case 0x026: map_key_clear(KEY_MENU);            break;
716                                 case 0x031: map_key_clear(KEY_AUDIO);           break;
717                                 case 0x032: map_key_clear(KEY_TEXT);            break;
718                                 case 0x033: map_key_clear(KEY_LAST);            break;
719                                 case 0x047: map_key_clear(KEY_MP3);             break;
720                                 case 0x048: map_key_clear(KEY_DVD);             break;
721                                 case 0x049: map_key_clear(KEY_MEDIA);           break;
722                                 case 0x04a: map_key_clear(KEY_VIDEO);           break;
723                                 case 0x04b: map_key_clear(KEY_ANGLE);           break;
724                                 case 0x04c: map_key_clear(KEY_LANGUAGE);        break;
725                                 case 0x04d: map_key_clear(KEY_SUBTITLE);        break;
726                                 case 0x051: map_key_clear(KEY_RED);             break;
727                                 case 0x052: map_key_clear(KEY_CLOSE);           break;
728                                 default:    goto ignore;
729                         }
730                         break;
731
732                 case HID_UP_PID:
733
734                         switch(usage->hid & HID_USAGE) {
735                                 case 0xa4: map_key_clear(BTN_DEAD);     break;
736                                 default: goto ignore;
737                         }
738                         break;
739
740                 default:
741                 unknown:
742                         if (field->report_size == 1) {
743                                 if (field->report->type == HID_OUTPUT_REPORT) {
744                                         map_led(LED_MISC);
745                                         break;
746                                 }
747                                 map_key(BTN_MISC);
748                                 break;
749                         }
750                         if (field->flags & HID_MAIN_ITEM_RELATIVE) {
751                                 map_rel(REL_MISC);
752                                 break;
753                         }
754                         map_abs(ABS_MISC);
755                         break;
756         }
757
758         if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
759                 if (usage->hid == HID_GD_Z)
760                         map_rel(REL_HWHEEL);
761                 else if (usage->code == BTN_1)
762                         map_key(BTN_2);
763                 else if (usage->code == BTN_2)
764                         map_key(BTN_1);
765         }
766
767         if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
768                  (usage->type == EV_REL) && (usage->code == REL_WHEEL))
769                         set_bit(REL_HWHEEL, bit);
770
771         if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
772                 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
773                 goto ignore;
774
775         if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
776                 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
777                 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
778
779         set_bit(usage->type, input->evbit);
780
781         if (device->quirks & HID_QUIRK_DUPLICATE_USAGES &&
782                         (usage->type == EV_KEY ||
783                          usage->type == EV_REL ||
784                          usage->type == EV_ABS))
785                 clear_bit(usage->code, bit);
786
787         while (usage->code <= max && test_and_set_bit(usage->code, bit))
788                 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
789
790         if (usage->code > max)
791                 goto ignore;
792
793
794         if (usage->type == EV_ABS) {
795
796                 int a = field->logical_minimum;
797                 int b = field->logical_maximum;
798
799                 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
800                         a = field->logical_minimum = 0;
801                         b = field->logical_maximum = 255;
802                 }
803
804                 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
805                         input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
806                 else    input_set_abs_params(input, usage->code, a, b, 0, 0);
807
808         }
809
810         if (usage->type == EV_ABS &&
811             (usage->hat_min < usage->hat_max || usage->hat_dir)) {
812                 int i;
813                 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
814                         input_set_abs_params(input, i, -1, 1, 0, 0);
815                         set_bit(i, input->absbit);
816                 }
817                 if (usage->hat_dir && !field->dpad)
818                         field->dpad = usage->code;
819         }
820
821         hid_resolv_event(usage->type, usage->code);
822 #ifdef CONFIG_HID_DEBUG
823         printk("\n");
824 #endif
825         return;
826
827 ignore:
828 #ifdef CONFIG_HID_DEBUG
829         printk("IGNORED\n");
830 #endif
831         return;
832 }
833
834 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
835 {
836         struct input_dev *input;
837         int *quirks = &hid->quirks;
838
839         if (!field->hidinput)
840                 return;
841
842         input = field->hidinput->input;
843
844         if (!usage->type)
845                 return;
846
847         if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
848                 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
849                 if (value) hid->quirks |=  HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
850                 else       hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
851                 return;
852         }
853
854         if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
855                 input_event(input, usage->type, usage->code, -value);
856                 return;
857         }
858
859         if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
860                 input_event(input, usage->type, REL_HWHEEL, value);
861                 return;
862         }
863
864         if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value))
865                 return;
866
867         if (usage->hat_min < usage->hat_max || usage->hat_dir) {
868                 int hat_dir = usage->hat_dir;
869                 if (!hat_dir)
870                         hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
871                 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
872                 input_event(input, usage->type, usage->code    , hid_hat_to_axis[hat_dir].x);
873                 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
874                 return;
875         }
876
877         if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
878                 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
879                 return;
880         }
881
882         if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
883                 if (value) {
884                         input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
885                         return;
886                 }
887                 input_event(input, usage->type, usage->code, 0);
888                 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
889                 return;
890         }
891
892         if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
893                 int a = field->logical_minimum;
894                 int b = field->logical_maximum;
895                 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
896         }
897
898         if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
899                 dbg("Maximum Effects - %d",value);
900                 return;
901         }
902
903         if (usage->hid == (HID_UP_PID | 0x7fUL)) {
904                 dbg("PID Pool Report\n");
905                 return;
906         }
907
908         if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
909                 return;
910
911         input_event(input, usage->type, usage->code, value);
912
913         if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
914                 input_event(input, usage->type, usage->code, 0);
915 }
916
917 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
918 {
919         struct hid_input *hidinput;
920
921         list_for_each_entry(hidinput, &hid->inputs, list)
922                 input_sync(hidinput->input);
923 }
924 EXPORT_SYMBOL_GPL(hidinput_report_event);
925
926 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
927 {
928         struct hid_report *report;
929         int i, j;
930
931         list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
932                 for (i = 0; i < report->maxfield; i++) {
933                         *field = report->field[i];
934                         for (j = 0; j < (*field)->maxusage; j++)
935                                 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
936                                         return j;
937                 }
938         }
939         return -1;
940 }
941 EXPORT_SYMBOL_GPL(hidinput_find_field);
942
943 static int hidinput_open(struct input_dev *dev)
944 {
945         struct hid_device *hid = input_get_drvdata(dev);
946
947         return hid->hid_open(hid);
948 }
949
950 static void hidinput_close(struct input_dev *dev)
951 {
952         struct hid_device *hid = input_get_drvdata(dev);
953
954         hid->hid_close(hid);
955 }
956
957 /*
958  * Register the input device; print a message.
959  * Configure the input layer interface
960  * Read all reports and initialize the absolute field values.
961  */
962
963 int hidinput_connect(struct hid_device *hid)
964 {
965         struct hid_report *report;
966         struct hid_input *hidinput = NULL;
967         struct input_dev *input_dev;
968         int i, j, k;
969         int max_report_type = HID_OUTPUT_REPORT;
970
971         INIT_LIST_HEAD(&hid->inputs);
972
973         for (i = 0; i < hid->maxcollection; i++)
974                 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
975                     hid->collection[i].type == HID_COLLECTION_PHYSICAL)
976                         if (IS_INPUT_APPLICATION(hid->collection[i].usage))
977                                 break;
978
979         if (i == hid->maxcollection)
980                 return -1;
981
982         if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
983                 max_report_type = HID_INPUT_REPORT;
984
985         for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
986                 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
987
988                         if (!report->maxfield)
989                                 continue;
990
991                         if (!hidinput) {
992                                 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
993                                 input_dev = input_allocate_device();
994                                 if (!hidinput || !input_dev) {
995                                         kfree(hidinput);
996                                         input_free_device(input_dev);
997                                         err("Out of memory during hid input probe");
998                                         return -1;
999                                 }
1000
1001                                 input_set_drvdata(input_dev, hid);
1002                                 input_dev->event = hid->hidinput_input_event;
1003                                 input_dev->open = hidinput_open;
1004                                 input_dev->close = hidinput_close;
1005                                 input_dev->setkeycode = hidinput_setkeycode;
1006                                 input_dev->getkeycode = hidinput_getkeycode;
1007
1008                                 input_dev->name = hid->name;
1009                                 input_dev->phys = hid->phys;
1010                                 input_dev->uniq = hid->uniq;
1011                                 input_dev->id.bustype = hid->bus;
1012                                 input_dev->id.vendor  = hid->vendor;
1013                                 input_dev->id.product = hid->product;
1014                                 input_dev->id.version = hid->version;
1015                                 input_dev->dev.parent = hid->dev;
1016                                 hidinput->input = input_dev;
1017                                 list_add_tail(&hidinput->list, &hid->inputs);
1018                         }
1019
1020                         for (i = 0; i < report->maxfield; i++)
1021                                 for (j = 0; j < report->field[i]->maxusage; j++)
1022                                         hidinput_configure_usage(hidinput, report->field[i],
1023                                                                  report->field[i]->usage + j);
1024
1025                         if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1026                                 /* This will leave hidinput NULL, so that it
1027                                  * allocates another one if we have more inputs on
1028                                  * the same interface. Some devices (e.g. Happ's
1029                                  * UGCI) cram a lot of unrelated inputs into the
1030                                  * same interface. */
1031                                 hidinput->report = report;
1032                                 input_register_device(hidinput->input);
1033                                 hidinput = NULL;
1034                         }
1035                 }
1036
1037         if (hidinput)
1038                 input_register_device(hidinput->input);
1039
1040         return 0;
1041 }
1042 EXPORT_SYMBOL_GPL(hidinput_connect);
1043
1044 void hidinput_disconnect(struct hid_device *hid)
1045 {
1046         struct hid_input *hidinput, *next;
1047
1048         list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1049                 list_del(&hidinput->list);
1050                 input_unregister_device(hidinput->input);
1051                 kfree(hidinput);
1052         }
1053 }
1054 EXPORT_SYMBOL_GPL(hidinput_disconnect);
1055