HID: move cypress quirks
[linux-2.6.git] / drivers / hid / hid-input.c
1 /*
2  *  Copyright (c) 2000-2001 Vojtech Pavlik
3  *  Copyright (c) 2006-2007 Jiri Kosina
4  *
5  *  HID to Linux Input mapping
6  */
7
8 /*
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22  *
23  * Should you need to contact me, the author, you can do so either by
24  * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
25  * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
26  */
27
28 #include <linux/module.h>
29 #include <linux/slab.h>
30 #include <linux/kernel.h>
31
32 #include <linux/hid.h>
33 #include <linux/hid-debug.h>
34
35 #define unk     KEY_UNKNOWN
36
37 static const unsigned char hid_keyboard[256] = {
38           0,  0,  0,  0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
39          50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44,  2,  3,
40           4,  5,  6,  7,  8,  9, 10, 11, 28,  1, 14, 15, 57, 12, 13, 26,
41          27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
42          65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
43         105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
44          72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
45         191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
46         115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
47         122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
48         unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
49         unk,unk,unk,unk,unk,unk,179,180,unk,unk,unk,unk,unk,unk,unk,unk,
50         unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
51         unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
52          29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
53         150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
54 };
55
56 static const struct {
57         __s32 x;
58         __s32 y;
59 }  hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
60
61 #define map_abs(c)      hid_map_usage(hidinput, usage, &bit, &max, EV_ABS, (c))
62 #define map_rel(c)      hid_map_usage(hidinput, usage, &bit, &max, EV_REL, (c))
63 #define map_key(c)      hid_map_usage(hidinput, usage, &bit, &max, EV_KEY, (c))
64 #define map_led(c)      hid_map_usage(hidinput, usage, &bit, &max, EV_LED, (c))
65
66 #define map_abs_clear(c)        hid_map_usage_clear(hidinput, usage, &bit, \
67                 &max, EV_ABS, (c))
68 #define map_key_clear(c)        hid_map_usage_clear(hidinput, usage, &bit, \
69                 &max, EV_KEY, (c))
70
71 static inline int match_scancode(int code, int scancode)
72 {
73         if (scancode == 0)
74                 return 1;
75         return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode);
76 }
77
78 static inline int match_keycode(int code, int keycode)
79 {
80         if (keycode == 0)
81                 return 1;
82         return (code == keycode);
83 }
84
85 static struct hid_usage *hidinput_find_key(struct hid_device *hid,
86                 int scancode, int keycode)
87 {
88         int i, j, k;
89         struct hid_report *report;
90         struct hid_usage *usage;
91
92         for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
93                 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
94                         for (i = 0; i < report->maxfield; i++) {
95                                 for ( j = 0; j < report->field[i]->maxusage; j++) {
96                                         usage = report->field[i]->usage + j;
97                                         if (usage->type == EV_KEY &&
98                                                 match_scancode(usage->hid, scancode) &&
99                                                 match_keycode(usage->code, keycode))
100                                                 return usage;
101                                 }
102                         }
103                 }
104         }
105         return NULL;
106 }
107
108 static int hidinput_getkeycode(struct input_dev *dev, int scancode,
109                                 int *keycode)
110 {
111         struct hid_device *hid = input_get_drvdata(dev);
112         struct hid_usage *usage;
113
114         usage = hidinput_find_key(hid, scancode, 0);
115         if (usage) {
116                 *keycode = usage->code;
117                 return 0;
118         }
119         return -EINVAL;
120 }
121
122 static int hidinput_setkeycode(struct input_dev *dev, int scancode,
123                                 int keycode)
124 {
125         struct hid_device *hid = input_get_drvdata(dev);
126         struct hid_usage *usage;
127         int old_keycode;
128
129         if (keycode < 0 || keycode > KEY_MAX)
130                 return -EINVAL;
131
132         usage = hidinput_find_key(hid, scancode, 0);
133         if (usage) {
134                 old_keycode = usage->code;
135                 usage->code = keycode;
136
137                 clear_bit(old_keycode, dev->keybit);
138                 set_bit(usage->code, dev->keybit);
139                 dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode);
140                 /* Set the keybit for the old keycode if the old keycode is used
141                  * by another key */
142                 if (hidinput_find_key (hid, 0, old_keycode))
143                         set_bit(old_keycode, dev->keybit);
144
145                 return 0;
146         }
147
148         return -EINVAL;
149 }
150
151
152 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
153                                      struct hid_usage *usage)
154 {
155         struct input_dev *input = hidinput->input;
156         struct hid_device *device = input_get_drvdata(input);
157         int max = 0, code, ret;
158         unsigned long *bit = NULL;
159
160         field->hidinput = hidinput;
161
162         dbg_hid("Mapping: ");
163         hid_resolv_usage(usage->hid);
164         dbg_hid_line(" ---> ");
165
166         if (field->flags & HID_MAIN_ITEM_CONSTANT)
167                 goto ignore;
168
169         /* only LED usages are supported in output fields */
170         if (field->report_type == HID_OUTPUT_REPORT &&
171                         (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
172                 dbg_hid_line(" [non-LED output field] ");
173                 goto ignore;
174         }
175
176         /* handle input mappings for quirky devices */
177         ret = hidinput_mapping_quirks(usage, hidinput, &bit, &max);
178         if (ret)
179                 goto mapped;
180
181         if (device->driver->input_mapping) {
182                 int ret = device->driver->input_mapping(device, hidinput, field,
183                                 usage, &bit, &max);
184                 if (ret > 0)
185                         goto mapped;
186                 if (ret < 0)
187                         goto ignore;
188         }
189
190         switch (usage->hid & HID_USAGE_PAGE) {
191         case HID_UP_UNDEFINED:
192                 goto ignore;
193
194         case HID_UP_KEYBOARD:
195                 set_bit(EV_REP, input->evbit);
196
197                 if ((usage->hid & HID_USAGE) < 256) {
198                         if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
199                         map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
200                 } else
201                         map_key(KEY_UNKNOWN);
202
203                 break;
204
205         case HID_UP_BUTTON:
206                 code = ((usage->hid - 1) & 0xf);
207
208                 switch (field->application) {
209                 case HID_GD_MOUSE:
210                 case HID_GD_POINTER:  code += 0x110; break;
211                 case HID_GD_JOYSTICK: code += 0x120; break;
212                 case HID_GD_GAMEPAD:  code += 0x130; break;
213                 default:
214                         switch (field->physical) {
215                         case HID_GD_MOUSE:
216                         case HID_GD_POINTER:  code += 0x110; break;
217                         case HID_GD_JOYSTICK: code += 0x120; break;
218                         case HID_GD_GAMEPAD:  code += 0x130; break;
219                         default:              code += 0x100;
220                         }
221                 }
222
223                 map_key(code);
224                 break;
225
226         case HID_UP_SIMULATION:
227                 switch (usage->hid & 0xffff) {
228                 case 0xba: map_abs(ABS_RUDDER);   break;
229                 case 0xbb: map_abs(ABS_THROTTLE); break;
230                 case 0xc4: map_abs(ABS_GAS);      break;
231                 case 0xc5: map_abs(ABS_BRAKE);    break;
232                 case 0xc8: map_abs(ABS_WHEEL);    break;
233                 default:   goto ignore;
234                 }
235                 break;
236
237         case HID_UP_GENDESK:
238                 if ((usage->hid & 0xf0) == 0x80) {      /* SystemControl */
239                         switch (usage->hid & 0xf) {
240                         case 0x1: map_key_clear(KEY_POWER);  break;
241                         case 0x2: map_key_clear(KEY_SLEEP);  break;
242                         case 0x3: map_key_clear(KEY_WAKEUP); break;
243                         default: goto unknown;
244                         }
245                         break;
246                 }
247
248                 if ((usage->hid & 0xf0) == 0x90) {      /* D-pad */
249                         switch (usage->hid) {
250                         case HID_GD_UP:    usage->hat_dir = 1; break;
251                         case HID_GD_DOWN:  usage->hat_dir = 5; break;
252                         case HID_GD_RIGHT: usage->hat_dir = 3; break;
253                         case HID_GD_LEFT:  usage->hat_dir = 7; break;
254                         default: goto unknown;
255                         }
256                         if (field->dpad) {
257                                 map_abs(field->dpad);
258                                 goto ignore;
259                         }
260                         map_abs(ABS_HAT0X);
261                         break;
262                 }
263
264                 switch (usage->hid) {
265                 /* These usage IDs map directly to the usage codes. */
266                 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
267                 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
268                 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
269                         if (field->flags & HID_MAIN_ITEM_RELATIVE)
270                                 map_rel(usage->hid & 0xf);
271                         else
272                                 map_abs(usage->hid & 0xf);
273                         break;
274
275                 case HID_GD_HATSWITCH:
276                         usage->hat_min = field->logical_minimum;
277                         usage->hat_max = field->logical_maximum;
278                         map_abs(ABS_HAT0X);
279                         break;
280
281                 case HID_GD_START:      map_key_clear(BTN_START);       break;
282                 case HID_GD_SELECT:     map_key_clear(BTN_SELECT);      break;
283
284                 default: goto unknown;
285                 }
286
287                 break;
288
289         case HID_UP_LED:
290                 switch (usage->hid & 0xffff) {                /* HID-Value:                   */
291                 case 0x01:  map_led (LED_NUML);     break;    /*   "Num Lock"                 */
292                 case 0x02:  map_led (LED_CAPSL);    break;    /*   "Caps Lock"                */
293                 case 0x03:  map_led (LED_SCROLLL);  break;    /*   "Scroll Lock"              */
294                 case 0x04:  map_led (LED_COMPOSE);  break;    /*   "Compose"                  */
295                 case 0x05:  map_led (LED_KANA);     break;    /*   "Kana"                     */
296                 case 0x27:  map_led (LED_SLEEP);    break;    /*   "Stand-By"                 */
297                 case 0x4c:  map_led (LED_SUSPEND);  break;    /*   "System Suspend"           */
298                 case 0x09:  map_led (LED_MUTE);     break;    /*   "Mute"                     */
299                 case 0x4b:  map_led (LED_MISC);     break;    /*   "Generic Indicator"        */
300                 case 0x19:  map_led (LED_MAIL);     break;    /*   "Message Waiting"          */
301                 case 0x4d:  map_led (LED_CHARGING); break;    /*   "External Power Connected" */
302
303                 default: goto ignore;
304                 }
305                 break;
306
307         case HID_UP_DIGITIZER:
308                 switch (usage->hid & 0xff) {
309                 case 0x30: /* TipPressure */
310                         if (!test_bit(BTN_TOUCH, input->keybit)) {
311                                 device->quirks |= HID_QUIRK_NOTOUCH;
312                                 set_bit(EV_KEY, input->evbit);
313                                 set_bit(BTN_TOUCH, input->keybit);
314                         }
315                         map_abs_clear(ABS_PRESSURE);
316                         break;
317
318                 case 0x32: /* InRange */
319                         switch (field->physical & 0xff) {
320                         case 0x21: map_key(BTN_TOOL_MOUSE); break;
321                         case 0x22: map_key(BTN_TOOL_FINGER); break;
322                         default: map_key(BTN_TOOL_PEN); break;
323                         }
324                         break;
325
326                 case 0x3c: /* Invert */
327                         map_key_clear(BTN_TOOL_RUBBER);
328                         break;
329
330                 case 0x33: /* Touch */
331                 case 0x42: /* TipSwitch */
332                 case 0x43: /* TipSwitch2 */
333                         device->quirks &= ~HID_QUIRK_NOTOUCH;
334                         map_key_clear(BTN_TOUCH);
335                         break;
336
337                 case 0x44: /* BarrelSwitch */
338                         map_key_clear(BTN_STYLUS);
339                         break;
340
341                 default:  goto unknown;
342                 }
343                 break;
344
345         case HID_UP_CONSUMER:   /* USB HUT v1.1, pages 56-62 */
346                 switch (usage->hid & HID_USAGE) {
347                 case 0x000: goto ignore;
348                 case 0x034: map_key_clear(KEY_SLEEP);           break;
349                 case 0x036: map_key_clear(BTN_MISC);            break;
350
351                 case 0x040: map_key_clear(KEY_MENU);            break;
352                 case 0x045: map_key_clear(KEY_RADIO);           break;
353
354                 case 0x083: map_key_clear(KEY_LAST);            break;
355                 case 0x088: map_key_clear(KEY_PC);              break;
356                 case 0x089: map_key_clear(KEY_TV);              break;
357                 case 0x08a: map_key_clear(KEY_WWW);             break;
358                 case 0x08b: map_key_clear(KEY_DVD);             break;
359                 case 0x08c: map_key_clear(KEY_PHONE);           break;
360                 case 0x08d: map_key_clear(KEY_PROGRAM);         break;
361                 case 0x08e: map_key_clear(KEY_VIDEOPHONE);      break;
362                 case 0x08f: map_key_clear(KEY_GAMES);           break;
363                 case 0x090: map_key_clear(KEY_MEMO);            break;
364                 case 0x091: map_key_clear(KEY_CD);              break;
365                 case 0x092: map_key_clear(KEY_VCR);             break;
366                 case 0x093: map_key_clear(KEY_TUNER);           break;
367                 case 0x094: map_key_clear(KEY_EXIT);            break;
368                 case 0x095: map_key_clear(KEY_HELP);            break;
369                 case 0x096: map_key_clear(KEY_TAPE);            break;
370                 case 0x097: map_key_clear(KEY_TV2);             break;
371                 case 0x098: map_key_clear(KEY_SAT);             break;
372                 case 0x09a: map_key_clear(KEY_PVR);             break;
373
374                 case 0x09c: map_key_clear(KEY_CHANNELUP);       break;
375                 case 0x09d: map_key_clear(KEY_CHANNELDOWN);     break;
376                 case 0x0a0: map_key_clear(KEY_VCR2);            break;
377
378                 case 0x0b0: map_key_clear(KEY_PLAY);            break;
379                 case 0x0b1: map_key_clear(KEY_PAUSE);           break;
380                 case 0x0b2: map_key_clear(KEY_RECORD);          break;
381                 case 0x0b3: map_key_clear(KEY_FASTFORWARD);     break;
382                 case 0x0b4: map_key_clear(KEY_REWIND);          break;
383                 case 0x0b5: map_key_clear(KEY_NEXTSONG);        break;
384                 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG);    break;
385                 case 0x0b7: map_key_clear(KEY_STOPCD);          break;
386                 case 0x0b8: map_key_clear(KEY_EJECTCD);         break;
387                 case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT);    break;
388
389                 case 0x0cd: map_key_clear(KEY_PLAYPAUSE);       break;
390                 case 0x0e0: map_abs_clear(ABS_VOLUME);          break;
391                 case 0x0e2: map_key_clear(KEY_MUTE);            break;
392                 case 0x0e5: map_key_clear(KEY_BASSBOOST);       break;
393                 case 0x0e9: map_key_clear(KEY_VOLUMEUP);        break;
394                 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN);      break;
395
396                 case 0x182: map_key_clear(KEY_BOOKMARKS);       break;
397                 case 0x183: map_key_clear(KEY_CONFIG);          break;
398                 case 0x184: map_key_clear(KEY_WORDPROCESSOR);   break;
399                 case 0x185: map_key_clear(KEY_EDITOR);          break;
400                 case 0x186: map_key_clear(KEY_SPREADSHEET);     break;
401                 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR);  break;
402                 case 0x188: map_key_clear(KEY_PRESENTATION);    break;
403                 case 0x189: map_key_clear(KEY_DATABASE);        break;
404                 case 0x18a: map_key_clear(KEY_MAIL);            break;
405                 case 0x18b: map_key_clear(KEY_NEWS);            break;
406                 case 0x18c: map_key_clear(KEY_VOICEMAIL);       break;
407                 case 0x18d: map_key_clear(KEY_ADDRESSBOOK);     break;
408                 case 0x18e: map_key_clear(KEY_CALENDAR);        break;
409                 case 0x191: map_key_clear(KEY_FINANCE);         break;
410                 case 0x192: map_key_clear(KEY_CALC);            break;
411                 case 0x194: map_key_clear(KEY_FILE);            break;
412                 case 0x196: map_key_clear(KEY_WWW);             break;
413                 case 0x19c: map_key_clear(KEY_LOGOFF);          break;
414                 case 0x19e: map_key_clear(KEY_COFFEE);          break;
415                 case 0x1a6: map_key_clear(KEY_HELP);            break;
416                 case 0x1a7: map_key_clear(KEY_DOCUMENTS);       break;
417                 case 0x1ab: map_key_clear(KEY_SPELLCHECK);      break;
418                 case 0x1b6: map_key_clear(KEY_MEDIA);           break;
419                 case 0x1b7: map_key_clear(KEY_SOUND);           break;
420                 case 0x1bc: map_key_clear(KEY_MESSENGER);       break;
421                 case 0x1bd: map_key_clear(KEY_INFO);            break;
422                 case 0x201: map_key_clear(KEY_NEW);             break;
423                 case 0x202: map_key_clear(KEY_OPEN);            break;
424                 case 0x203: map_key_clear(KEY_CLOSE);           break;
425                 case 0x204: map_key_clear(KEY_EXIT);            break;
426                 case 0x207: map_key_clear(KEY_SAVE);            break;
427                 case 0x208: map_key_clear(KEY_PRINT);           break;
428                 case 0x209: map_key_clear(KEY_PROPS);           break;
429                 case 0x21a: map_key_clear(KEY_UNDO);            break;
430                 case 0x21b: map_key_clear(KEY_COPY);            break;
431                 case 0x21c: map_key_clear(KEY_CUT);             break;
432                 case 0x21d: map_key_clear(KEY_PASTE);           break;
433                 case 0x21f: map_key_clear(KEY_FIND);            break;
434                 case 0x221: map_key_clear(KEY_SEARCH);          break;
435                 case 0x222: map_key_clear(KEY_GOTO);            break;
436                 case 0x223: map_key_clear(KEY_HOMEPAGE);        break;
437                 case 0x224: map_key_clear(KEY_BACK);            break;
438                 case 0x225: map_key_clear(KEY_FORWARD);         break;
439                 case 0x226: map_key_clear(KEY_STOP);            break;
440                 case 0x227: map_key_clear(KEY_REFRESH);         break;
441                 case 0x22a: map_key_clear(KEY_BOOKMARKS);       break;
442                 case 0x22d: map_key_clear(KEY_ZOOMIN);          break;
443                 case 0x22e: map_key_clear(KEY_ZOOMOUT);         break;
444                 case 0x22f: map_key_clear(KEY_ZOOMRESET);       break;
445                 case 0x233: map_key_clear(KEY_SCROLLUP);        break;
446                 case 0x234: map_key_clear(KEY_SCROLLDOWN);      break;
447                 case 0x238: map_rel(REL_HWHEEL);                break;
448                 case 0x25f: map_key_clear(KEY_CANCEL);          break;
449                 case 0x279: map_key_clear(KEY_REDO);            break;
450
451                 case 0x289: map_key_clear(KEY_REPLY);           break;
452                 case 0x28b: map_key_clear(KEY_FORWARDMAIL);     break;
453                 case 0x28c: map_key_clear(KEY_SEND);            break;
454
455                 default:    goto ignore;
456                 }
457                 break;
458
459         case HID_UP_HPVENDOR:   /* Reported on a Dutch layout HP5308 */
460                 set_bit(EV_REP, input->evbit);
461                 switch (usage->hid & HID_USAGE) {
462                 case 0x021: map_key_clear(KEY_PRINT);           break;
463                 case 0x070: map_key_clear(KEY_HP);              break;
464                 case 0x071: map_key_clear(KEY_CAMERA);          break;
465                 case 0x072: map_key_clear(KEY_SOUND);           break;
466                 case 0x073: map_key_clear(KEY_QUESTION);        break;
467                 case 0x080: map_key_clear(KEY_EMAIL);           break;
468                 case 0x081: map_key_clear(KEY_CHAT);            break;
469                 case 0x082: map_key_clear(KEY_SEARCH);          break;
470                 case 0x083: map_key_clear(KEY_CONNECT);         break;
471                 case 0x084: map_key_clear(KEY_FINANCE);         break;
472                 case 0x085: map_key_clear(KEY_SPORT);           break;
473                 case 0x086: map_key_clear(KEY_SHOP);            break;
474                 default:    goto ignore;
475                 }
476                 break;
477
478         case HID_UP_MSVENDOR:
479                 goto ignore;
480
481         case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */
482                 set_bit(EV_REP, input->evbit);
483                 goto ignore;
484
485         case HID_UP_LOGIVENDOR:
486                 goto ignore;
487         
488         case HID_UP_PID:
489                 switch (usage->hid & HID_USAGE) {
490                 case 0xa4: map_key_clear(BTN_DEAD);     break;
491                 default: goto ignore;
492                 }
493                 break;
494
495         default:
496         unknown:
497                 if (field->report_size == 1) {
498                         if (field->report->type == HID_OUTPUT_REPORT) {
499                                 map_led(LED_MISC);
500                                 break;
501                         }
502                         map_key(BTN_MISC);
503                         break;
504                 }
505                 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
506                         map_rel(REL_MISC);
507                         break;
508                 }
509                 map_abs(ABS_MISC);
510                 break;
511         }
512
513 mapped:
514         if (device->driver->input_mapped && device->driver->input_mapped(device,
515                                 hidinput, field, usage, &bit, &max) < 0)
516                 goto ignore;
517
518         if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 |
519                         HID_QUIRK_2WHEEL_MOUSE_HACK_B8)) && (usage->type == EV_REL) &&
520                         (usage->code == REL_WHEEL))
521                 set_bit(REL_HWHEEL, bit);
522
523         if ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) &&
524                         (usage->hid == 0x00090007))
525                 goto ignore;
526
527         set_bit(usage->type, input->evbit);
528
529         while (usage->code <= max && test_and_set_bit(usage->code, bit))
530                 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
531
532         if (usage->code > max)
533                 goto ignore;
534
535
536         if (usage->type == EV_ABS) {
537
538                 int a = field->logical_minimum;
539                 int b = field->logical_maximum;
540
541                 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
542                         a = field->logical_minimum = 0;
543                         b = field->logical_maximum = 255;
544                 }
545
546                 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
547                         input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
548                 else    input_set_abs_params(input, usage->code, a, b, 0, 0);
549
550         }
551
552         if (usage->type == EV_ABS &&
553             (usage->hat_min < usage->hat_max || usage->hat_dir)) {
554                 int i;
555                 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
556                         input_set_abs_params(input, i, -1, 1, 0, 0);
557                         set_bit(i, input->absbit);
558                 }
559                 if (usage->hat_dir && !field->dpad)
560                         field->dpad = usage->code;
561         }
562
563         /* for those devices which produce Consumer volume usage as relative,
564          * we emulate pressing volumeup/volumedown appropriate number of times
565          * in hidinput_hid_event()
566          */
567         if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
568                         (usage->code == ABS_VOLUME)) {
569                 set_bit(KEY_VOLUMEUP, input->keybit);
570                 set_bit(KEY_VOLUMEDOWN, input->keybit);
571         }
572
573         if (usage->type == EV_KEY) {
574                 set_bit(EV_MSC, input->evbit);
575                 set_bit(MSC_SCAN, input->mscbit);
576         }
577
578         hid_resolv_event(usage->type, usage->code);
579
580         dbg_hid_line("\n");
581
582         return;
583
584 ignore:
585         dbg_hid_line("IGNORED\n");
586         return;
587 }
588
589 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
590 {
591         struct input_dev *input;
592         unsigned *quirks = &hid->quirks;
593
594         if (!field->hidinput)
595                 return;
596
597         input = field->hidinput->input;
598
599         if (!usage->type)
600                 return;
601
602         /* handle input events for quirky devices */
603         if (hidinput_event_quirks(hid, field, usage, value))
604                 return;
605
606         if (usage->hat_min < usage->hat_max || usage->hat_dir) {
607                 int hat_dir = usage->hat_dir;
608                 if (!hat_dir)
609                         hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
610                 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
611                 input_event(input, usage->type, usage->code    , hid_hat_to_axis[hat_dir].x);
612                 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
613                 return;
614         }
615
616         if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
617                 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
618                 return;
619         }
620
621         if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
622                 if (value) {
623                         input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
624                         return;
625                 }
626                 input_event(input, usage->type, usage->code, 0);
627                 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
628                 return;
629         }
630
631         if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
632                 int a = field->logical_minimum;
633                 int b = field->logical_maximum;
634                 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
635         }
636
637         if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
638                 dbg_hid("Maximum Effects - %d\n",value);
639                 return;
640         }
641
642         if (usage->hid == (HID_UP_PID | 0x7fUL)) {
643                 dbg_hid("PID Pool Report\n");
644                 return;
645         }
646
647         if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
648                 return;
649
650         if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
651                         (usage->code == ABS_VOLUME)) {
652                 int count = abs(value);
653                 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
654                 int i;
655
656                 for (i = 0; i < count; i++) {
657                         input_event(input, EV_KEY, direction, 1);
658                         input_sync(input);
659                         input_event(input, EV_KEY, direction, 0);
660                         input_sync(input);
661                 }
662                 return;
663         }
664
665         /* report the usage code as scancode if the key status has changed */
666         if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
667                 input_event(input, EV_MSC, MSC_SCAN, usage->hid);
668
669         input_event(input, usage->type, usage->code, value);
670
671         if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
672                 input_event(input, usage->type, usage->code, 0);
673 }
674
675 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
676 {
677         struct hid_input *hidinput;
678
679         list_for_each_entry(hidinput, &hid->inputs, list)
680                 input_sync(hidinput->input);
681 }
682 EXPORT_SYMBOL_GPL(hidinput_report_event);
683
684 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
685 {
686         struct hid_report *report;
687         int i, j;
688
689         list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
690                 for (i = 0; i < report->maxfield; i++) {
691                         *field = report->field[i];
692                         for (j = 0; j < (*field)->maxusage; j++)
693                                 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
694                                         return j;
695                 }
696         }
697         return -1;
698 }
699 EXPORT_SYMBOL_GPL(hidinput_find_field);
700
701 static int hidinput_open(struct input_dev *dev)
702 {
703         struct hid_device *hid = input_get_drvdata(dev);
704
705         return hid->ll_driver->open(hid);
706 }
707
708 static void hidinput_close(struct input_dev *dev)
709 {
710         struct hid_device *hid = input_get_drvdata(dev);
711
712         hid->ll_driver->close(hid);
713 }
714
715 /*
716  * Register the input device; print a message.
717  * Configure the input layer interface
718  * Read all reports and initialize the absolute field values.
719  */
720
721 int hidinput_connect(struct hid_device *hid)
722 {
723         struct hid_report *report;
724         struct hid_input *hidinput = NULL;
725         struct input_dev *input_dev;
726         int i, j, k;
727         int max_report_type = HID_OUTPUT_REPORT;
728
729         if (hid->quirks & HID_QUIRK_IGNORE_HIDINPUT)
730                 return -1;
731
732         INIT_LIST_HEAD(&hid->inputs);
733
734         for (i = 0; i < hid->maxcollection; i++)
735                 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
736                     hid->collection[i].type == HID_COLLECTION_PHYSICAL)
737                         if (IS_INPUT_APPLICATION(hid->collection[i].usage))
738                                 break;
739
740         if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0)
741                 return -1;
742
743         if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
744                 max_report_type = HID_INPUT_REPORT;
745
746         for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
747                 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
748
749                         if (!report->maxfield)
750                                 continue;
751
752                         if (!hidinput) {
753                                 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
754                                 input_dev = input_allocate_device();
755                                 if (!hidinput || !input_dev) {
756                                         kfree(hidinput);
757                                         input_free_device(input_dev);
758                                         err_hid("Out of memory during hid input probe");
759                                         goto out_unwind;
760                                 }
761
762                                 input_set_drvdata(input_dev, hid);
763                                 input_dev->event =
764                                         hid->ll_driver->hidinput_input_event;
765                                 input_dev->open = hidinput_open;
766                                 input_dev->close = hidinput_close;
767                                 input_dev->setkeycode = hidinput_setkeycode;
768                                 input_dev->getkeycode = hidinput_getkeycode;
769
770                                 input_dev->name = hid->name;
771                                 input_dev->phys = hid->phys;
772                                 input_dev->uniq = hid->uniq;
773                                 input_dev->id.bustype = hid->bus;
774                                 input_dev->id.vendor  = hid->vendor;
775                                 input_dev->id.product = hid->product;
776                                 input_dev->id.version = hid->version;
777                                 input_dev->dev.parent = hid->dev.parent;
778                                 hidinput->input = input_dev;
779                                 list_add_tail(&hidinput->list, &hid->inputs);
780                         }
781
782                         for (i = 0; i < report->maxfield; i++)
783                                 for (j = 0; j < report->field[i]->maxusage; j++)
784                                         hidinput_configure_usage(hidinput, report->field[i],
785                                                                  report->field[i]->usage + j);
786
787                         if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
788                                 /* This will leave hidinput NULL, so that it
789                                  * allocates another one if we have more inputs on
790                                  * the same interface. Some devices (e.g. Happ's
791                                  * UGCI) cram a lot of unrelated inputs into the
792                                  * same interface. */
793                                 hidinput->report = report;
794                                 if (input_register_device(hidinput->input))
795                                         goto out_cleanup;
796                                 hidinput = NULL;
797                         }
798                 }
799
800         if (hidinput && input_register_device(hidinput->input))
801                 goto out_cleanup;
802
803         return 0;
804
805 out_cleanup:
806         input_free_device(hidinput->input);
807         kfree(hidinput);
808 out_unwind:
809         /* unwind the ones we already registered */
810         hidinput_disconnect(hid);
811
812         return -1;
813 }
814 EXPORT_SYMBOL_GPL(hidinput_connect);
815
816 void hidinput_disconnect(struct hid_device *hid)
817 {
818         struct hid_input *hidinput, *next;
819
820         list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
821                 list_del(&hidinput->list);
822                 input_unregister_device(hidinput->input);
823                 kfree(hidinput);
824         }
825 }
826 EXPORT_SYMBOL_GPL(hidinput_disconnect);
827