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