Linux 2.6.20-rc4
[sfrench/cifs-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 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 #include <linux/usb/input.h>
34
35 #undef DEBUG
36
37 #include <linux/hid.h>
38
39 #define unk     KEY_UNKNOWN
40
41 static const unsigned char hid_keyboard[256] = {
42           0,  0,  0,  0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
43          50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44,  2,  3,
44           4,  5,  6,  7,  8,  9, 10, 11, 28,  1, 14, 15, 57, 12, 13, 26,
45          27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
46          65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
47         105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
48          72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
49         191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
50         115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
51         122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
52         unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
53         unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
54         unk,unk,unk,unk,unk,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          29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
57         150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
58 };
59
60 static const struct {
61         __s32 x;
62         __s32 y;
63 }  hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
64
65 #define map_abs(c)      do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
66 #define map_rel(c)      do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
67 #define map_key(c)      do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
68 #define map_led(c)      do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
69
70 #define map_abs_clear(c)        do { map_abs(c); clear_bit(c, bit); } while (0)
71 #define map_key_clear(c)        do { map_key(c); clear_bit(c, bit); } while (0)
72
73 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK
74
75 struct hidinput_key_translation {
76         u16 from;
77         u16 to;
78         u8 flags;
79 };
80
81 #define POWERBOOK_FLAG_FKEY 0x01
82
83 static struct hidinput_key_translation powerbook_fn_keys[] = {
84         { KEY_BACKSPACE, KEY_DELETE },
85         { KEY_F1,       KEY_BRIGHTNESSDOWN,     POWERBOOK_FLAG_FKEY },
86         { KEY_F2,       KEY_BRIGHTNESSUP,       POWERBOOK_FLAG_FKEY },
87         { KEY_F3,       KEY_MUTE,               POWERBOOK_FLAG_FKEY },
88         { KEY_F4,       KEY_VOLUMEDOWN,         POWERBOOK_FLAG_FKEY },
89         { KEY_F5,       KEY_VOLUMEUP,           POWERBOOK_FLAG_FKEY },
90         { KEY_F6,       KEY_NUMLOCK,            POWERBOOK_FLAG_FKEY },
91         { KEY_F7,       KEY_SWITCHVIDEOMODE,    POWERBOOK_FLAG_FKEY },
92         { KEY_F8,       KEY_KBDILLUMTOGGLE,     POWERBOOK_FLAG_FKEY },
93         { KEY_F9,       KEY_KBDILLUMDOWN,       POWERBOOK_FLAG_FKEY },
94         { KEY_F10,      KEY_KBDILLUMUP,         POWERBOOK_FLAG_FKEY },
95         { KEY_UP,       KEY_PAGEUP },
96         { KEY_DOWN,     KEY_PAGEDOWN },
97         { KEY_LEFT,     KEY_HOME },
98         { KEY_RIGHT,    KEY_END },
99         { }
100 };
101
102 static struct hidinput_key_translation powerbook_numlock_keys[] = {
103         { KEY_J,        KEY_KP1 },
104         { KEY_K,        KEY_KP2 },
105         { KEY_L,        KEY_KP3 },
106         { KEY_U,        KEY_KP4 },
107         { KEY_I,        KEY_KP5 },
108         { KEY_O,        KEY_KP6 },
109         { KEY_7,        KEY_KP7 },
110         { KEY_8,        KEY_KP8 },
111         { KEY_9,        KEY_KP9 },
112         { KEY_M,        KEY_KP0 },
113         { KEY_DOT,      KEY_KPDOT },
114         { KEY_SLASH,    KEY_KPPLUS },
115         { KEY_SEMICOLON, KEY_KPMINUS },
116         { KEY_P,        KEY_KPASTERISK },
117         { KEY_MINUS,    KEY_KPEQUAL },
118         { KEY_0,        KEY_KPSLASH },
119         { KEY_F6,       KEY_NUMLOCK },
120         { KEY_KPENTER,  KEY_KPENTER },
121         { KEY_BACKSPACE, KEY_BACKSPACE },
122         { }
123 };
124
125 static struct hidinput_key_translation powerbook_iso_keyboard[] = {
126         { KEY_GRAVE,    KEY_102ND },
127         { KEY_102ND,    KEY_GRAVE },
128         { }
129 };
130
131 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
132 {
133         struct hidinput_key_translation *trans;
134
135         /* Look for the translation */
136         for (trans = table; trans->from; trans++)
137                 if (trans->from == from)
138                         return trans;
139
140         return NULL;
141 }
142
143 static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
144                 struct hid_usage *usage, __s32 value)
145 {
146         struct hidinput_key_translation *trans;
147
148         if (usage->code == KEY_FN) {
149                 if (value) hid->quirks |=  HID_QUIRK_POWERBOOK_FN_ON;
150                 else       hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON;
151
152                 input_event(input, usage->type, usage->code, value);
153
154                 return 1;
155         }
156
157         if (hid->pb_fnmode) {
158                 int do_translate;
159
160                 trans = find_translation(powerbook_fn_keys, usage->code);
161                 if (trans) {
162                         if (test_bit(usage->code, hid->pb_pressed_fn))
163                                 do_translate = 1;
164                         else if (trans->flags & POWERBOOK_FLAG_FKEY)
165                                 do_translate =
166                                         (hid->pb_fnmode == 2 &&  (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) ||
167                                         (hid->pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON));
168                         else
169                                 do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON);
170
171                         if (do_translate) {
172                                 if (value)
173                                         set_bit(usage->code, hid->pb_pressed_fn);
174                                 else
175                                         clear_bit(usage->code, hid->pb_pressed_fn);
176
177                                 input_event(input, usage->type, trans->to, value);
178
179                                 return 1;
180                         }
181                 }
182
183                 if (test_bit(usage->code, hid->pb_pressed_numlock) ||
184                                 test_bit(LED_NUML, input->led)) {
185                         trans = find_translation(powerbook_numlock_keys, usage->code);
186
187                         if (trans) {
188                                 if (value)
189                                         set_bit(usage->code, hid->pb_pressed_numlock);
190                                 else
191                                         clear_bit(usage->code, hid->pb_pressed_numlock);
192
193                                 input_event(input, usage->type, trans->to, value);
194                         }
195
196                         return 1;
197                 }
198         }
199
200         if (hid->quirks & HID_QUIRK_POWERBOOK_ISO_KEYBOARD) {
201                 trans = find_translation(powerbook_iso_keyboard, usage->code);
202                 if (trans) {
203                         input_event(input, usage->type, trans->to, value);
204                         return 1;
205                 }
206         }
207
208         return 0;
209 }
210
211 static void hidinput_pb_setup(struct input_dev *input)
212 {
213         struct hidinput_key_translation *trans;
214
215         set_bit(KEY_NUMLOCK, input->keybit);
216
217         /* Enable all needed keys */
218         for (trans = powerbook_fn_keys; trans->from; trans++)
219                 set_bit(trans->to, input->keybit);
220
221         for (trans = powerbook_numlock_keys; trans->from; trans++)
222                 set_bit(trans->to, input->keybit);
223
224         for (trans = powerbook_iso_keyboard; trans->from; trans++)
225                 set_bit(trans->to, input->keybit);
226
227 }
228 #else
229 static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
230                 struct hid_usage *usage, __s32 value)
231 {
232         return 0;
233 }
234
235 static inline void hidinput_pb_setup(struct input_dev *input)
236 {
237 }
238 #endif
239
240 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
241                                      struct hid_usage *usage)
242 {
243         struct input_dev *input = hidinput->input;
244         struct hid_device *device = input->private;
245         int max = 0, code;
246         unsigned long *bit = NULL;
247
248         field->hidinput = hidinput;
249
250 #ifdef DEBUG
251         printk(KERN_DEBUG "Mapping: ");
252         resolv_usage(usage->hid);
253         printk(" ---> ");
254 #endif
255
256         if (field->flags & HID_MAIN_ITEM_CONSTANT)
257                 goto ignore;
258
259         switch (usage->hid & HID_USAGE_PAGE) {
260
261                 case HID_UP_UNDEFINED:
262                         goto ignore;
263
264                 case HID_UP_KEYBOARD:
265
266                         set_bit(EV_REP, input->evbit);
267
268                         if ((usage->hid & HID_USAGE) < 256) {
269                                 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
270                                 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
271                         } else
272                                 map_key(KEY_UNKNOWN);
273
274                         break;
275
276                 case HID_UP_BUTTON:
277
278                         code = ((usage->hid - 1) & 0xf);
279
280                         switch (field->application) {
281                                 case HID_GD_MOUSE:
282                                 case HID_GD_POINTER:  code += 0x110; break;
283                                 case HID_GD_JOYSTICK: code += 0x120; break;
284                                 case HID_GD_GAMEPAD:  code += 0x130; break;
285                                 default:
286                                         switch (field->physical) {
287                                                 case HID_GD_MOUSE:
288                                                 case HID_GD_POINTER:  code += 0x110; break;
289                                                 case HID_GD_JOYSTICK: code += 0x120; break;
290                                                 case HID_GD_GAMEPAD:  code += 0x130; break;
291                                                 default:              code += 0x100;
292                                         }
293                         }
294
295                         map_key(code);
296                         break;
297
298
299                 case HID_UP_SIMULATION:
300
301                         switch (usage->hid & 0xffff) {
302                                 case 0xba: map_abs(ABS_RUDDER);   break;
303                                 case 0xbb: map_abs(ABS_THROTTLE); break;
304                                 case 0xc4: map_abs(ABS_GAS);      break;
305                                 case 0xc5: map_abs(ABS_BRAKE);    break;
306                                 case 0xc8: map_abs(ABS_WHEEL);    break;
307                                 default:   goto ignore;
308                         }
309                         break;
310
311                 case HID_UP_GENDESK:
312
313                         if ((usage->hid & 0xf0) == 0x80) {      /* SystemControl */
314                                 switch (usage->hid & 0xf) {
315                                         case 0x1: map_key_clear(KEY_POWER);  break;
316                                         case 0x2: map_key_clear(KEY_SLEEP);  break;
317                                         case 0x3: map_key_clear(KEY_WAKEUP); break;
318                                         default: goto unknown;
319                                 }
320                                 break;
321                         }
322
323                         if ((usage->hid & 0xf0) == 0x90) {      /* D-pad */
324                                 switch (usage->hid) {
325                                         case HID_GD_UP:    usage->hat_dir = 1; break;
326                                         case HID_GD_DOWN:  usage->hat_dir = 5; break;
327                                         case HID_GD_RIGHT: usage->hat_dir = 3; break;
328                                         case HID_GD_LEFT:  usage->hat_dir = 7; break;
329                                         default: goto unknown;
330                                 }
331                                 if (field->dpad) {
332                                         map_abs(field->dpad);
333                                         goto ignore;
334                                 }
335                                 map_abs(ABS_HAT0X);
336                                 break;
337                         }
338
339                         switch (usage->hid) {
340
341                                 /* These usage IDs map directly to the usage codes. */
342                                 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
343                                 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
344                                 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
345                                         if (field->flags & HID_MAIN_ITEM_RELATIVE)
346                                                 map_rel(usage->hid & 0xf);
347                                         else
348                                                 map_abs(usage->hid & 0xf);
349                                         break;
350
351                                 case HID_GD_HATSWITCH:
352                                         usage->hat_min = field->logical_minimum;
353                                         usage->hat_max = field->logical_maximum;
354                                         map_abs(ABS_HAT0X);
355                                         break;
356
357                                 case HID_GD_START:      map_key_clear(BTN_START);       break;
358                                 case HID_GD_SELECT:     map_key_clear(BTN_SELECT);      break;
359
360                                 default: goto unknown;
361                         }
362
363                         break;
364
365                 case HID_UP_LED:
366                         if (((usage->hid - 1) & 0xffff) >= LED_MAX)
367                                 goto ignore;
368                         map_led((usage->hid - 1) & 0xffff);
369                         break;
370
371                 case HID_UP_DIGITIZER:
372
373                         switch (usage->hid & 0xff) {
374
375                                 case 0x30: /* TipPressure */
376                                         if (!test_bit(BTN_TOUCH, input->keybit)) {
377                                                 device->quirks |= HID_QUIRK_NOTOUCH;
378                                                 set_bit(EV_KEY, input->evbit);
379                                                 set_bit(BTN_TOUCH, input->keybit);
380                                         }
381
382                                         map_abs_clear(ABS_PRESSURE);
383                                         break;
384
385                                 case 0x32: /* InRange */
386                                         switch (field->physical & 0xff) {
387                                                 case 0x21: map_key(BTN_TOOL_MOUSE); break;
388                                                 case 0x22: map_key(BTN_TOOL_FINGER); break;
389                                                 default: map_key(BTN_TOOL_PEN); break;
390                                         }
391                                         break;
392
393                                 case 0x3c: /* Invert */
394                                         map_key_clear(BTN_TOOL_RUBBER);
395                                         break;
396
397                                 case 0x33: /* Touch */
398                                 case 0x42: /* TipSwitch */
399                                 case 0x43: /* TipSwitch2 */
400                                         device->quirks &= ~HID_QUIRK_NOTOUCH;
401                                         map_key_clear(BTN_TOUCH);
402                                         break;
403
404                                 case 0x44: /* BarrelSwitch */
405                                         map_key_clear(BTN_STYLUS);
406                                         break;
407
408                                 default:  goto unknown;
409                         }
410                         break;
411
412                 case HID_UP_CONSUMER:   /* USB HUT v1.1, pages 56-62 */
413
414                         switch (usage->hid & HID_USAGE) {
415                                 case 0x000: goto ignore;
416                                 case 0x034: map_key_clear(KEY_SLEEP);           break;
417                                 case 0x036: map_key_clear(BTN_MISC);            break;
418                                 case 0x040: map_key_clear(KEY_MENU);            break;
419                                 case 0x045: map_key_clear(KEY_RADIO);           break;
420
421                                 case 0x088: map_key_clear(KEY_PC);              break;
422                                 case 0x089: map_key_clear(KEY_TV);              break;
423                                 case 0x08a: map_key_clear(KEY_WWW);             break;
424                                 case 0x08b: map_key_clear(KEY_DVD);             break;
425                                 case 0x08c: map_key_clear(KEY_PHONE);           break;
426                                 case 0x08d: map_key_clear(KEY_PROGRAM);         break;
427                                 case 0x08e: map_key_clear(KEY_VIDEOPHONE);      break;
428                                 case 0x08f: map_key_clear(KEY_GAMES);           break;
429                                 case 0x090: map_key_clear(KEY_MEMO);            break;
430                                 case 0x091: map_key_clear(KEY_CD);              break;
431                                 case 0x092: map_key_clear(KEY_VCR);             break;
432                                 case 0x093: map_key_clear(KEY_TUNER);           break;
433                                 case 0x094: map_key_clear(KEY_EXIT);            break;
434                                 case 0x095: map_key_clear(KEY_HELP);            break;
435                                 case 0x096: map_key_clear(KEY_TAPE);            break;
436                                 case 0x097: map_key_clear(KEY_TV2);             break;
437                                 case 0x098: map_key_clear(KEY_SAT);             break;
438
439                                 case 0x09c: map_key_clear(KEY_CHANNELUP);       break;
440                                 case 0x09d: map_key_clear(KEY_CHANNELDOWN);     break;
441                                 case 0x0a0: map_key_clear(KEY_VCR2);            break;
442
443                                 case 0x0b0: map_key_clear(KEY_PLAY);            break;
444                                 case 0x0b1: map_key_clear(KEY_PAUSE);           break;
445                                 case 0x0b2: map_key_clear(KEY_RECORD);          break;
446                                 case 0x0b3: map_key_clear(KEY_FASTFORWARD);     break;
447                                 case 0x0b4: map_key_clear(KEY_REWIND);          break;
448                                 case 0x0b5: map_key_clear(KEY_NEXTSONG);        break;
449                                 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG);    break;
450                                 case 0x0b7: map_key_clear(KEY_STOPCD);          break;
451                                 case 0x0b8: map_key_clear(KEY_EJECTCD);         break;
452
453                                 case 0x0cd: map_key_clear(KEY_PLAYPAUSE);       break;
454                                 case 0x0e0: map_abs_clear(ABS_VOLUME);          break;
455                                 case 0x0e2: map_key_clear(KEY_MUTE);            break;
456                                 case 0x0e5: map_key_clear(KEY_BASSBOOST);       break;
457                                 case 0x0e9: map_key_clear(KEY_VOLUMEUP);        break;
458                                 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN);      break;
459                                 case 0x183: map_key_clear(KEY_CONFIG);          break;
460                                 case 0x184: map_key_clear(KEY_WORDPROCESSOR);   break;
461                                 case 0x185: map_key_clear(KEY_EDITOR);          break;
462                                 case 0x186: map_key_clear(KEY_SPREADSHEET);     break;
463                                 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR);  break;
464                                 case 0x188: map_key_clear(KEY_PRESENTATION);    break;
465                                 case 0x189: map_key_clear(KEY_DATABASE);        break;
466                                 case 0x18a: map_key_clear(KEY_MAIL);            break;
467                                 case 0x18b: map_key_clear(KEY_NEWS);            break;
468                                 case 0x18c: map_key_clear(KEY_VOICEMAIL);       break;
469                                 case 0x18d: map_key_clear(KEY_ADDRESSBOOK);     break;
470                                 case 0x18e: map_key_clear(KEY_CALENDAR);        break;
471                                 case 0x191: map_key_clear(KEY_FINANCE);         break;
472                                 case 0x192: map_key_clear(KEY_CALC);            break;
473                                 case 0x194: map_key_clear(KEY_FILE);            break;
474                                 case 0x196: map_key_clear(KEY_WWW);             break;
475                                 case 0x19e: map_key_clear(KEY_COFFEE);          break;
476                                 case 0x1a6: map_key_clear(KEY_HELP);            break;
477                                 case 0x1a7: map_key_clear(KEY_DOCUMENTS);       break;
478                                 case 0x1bc: map_key_clear(KEY_MESSENGER);       break;
479                                 case 0x1bd: map_key_clear(KEY_INFO);            break;
480                                 case 0x201: map_key_clear(KEY_NEW);             break;
481                                 case 0x202: map_key_clear(KEY_OPEN);            break;
482                                 case 0x203: map_key_clear(KEY_CLOSE);           break;
483                                 case 0x204: map_key_clear(KEY_EXIT);            break;
484                                 case 0x207: map_key_clear(KEY_SAVE);            break;
485                                 case 0x208: map_key_clear(KEY_PRINT);           break;
486                                 case 0x209: map_key_clear(KEY_PROPS);           break;
487                                 case 0x21a: map_key_clear(KEY_UNDO);            break;
488                                 case 0x21b: map_key_clear(KEY_COPY);            break;
489                                 case 0x21c: map_key_clear(KEY_CUT);             break;
490                                 case 0x21d: map_key_clear(KEY_PASTE);           break;
491                                 case 0x221: map_key_clear(KEY_FIND);            break;
492                                 case 0x223: map_key_clear(KEY_HOMEPAGE);        break;
493                                 case 0x224: map_key_clear(KEY_BACK);            break;
494                                 case 0x225: map_key_clear(KEY_FORWARD);         break;
495                                 case 0x226: map_key_clear(KEY_STOP);            break;
496                                 case 0x227: map_key_clear(KEY_REFRESH);         break;
497                                 case 0x22a: map_key_clear(KEY_BOOKMARKS);       break;
498                                 case 0x22d: map_key_clear(KEY_ZOOMIN);          break;
499                                 case 0x22e: map_key_clear(KEY_ZOOMOUT);         break;
500                                 case 0x22f: map_key_clear(KEY_ZOOMRESET);       break;
501                                 case 0x233: map_key_clear(KEY_SCROLLUP);        break;
502                                 case 0x234: map_key_clear(KEY_SCROLLDOWN);      break;
503                                 case 0x238: map_rel(REL_HWHEEL);                break;
504                                 case 0x25f: map_key_clear(KEY_CANCEL);          break;
505                                 case 0x279: map_key_clear(KEY_REDO);            break;
506
507                                 case 0x289: map_key_clear(KEY_REPLY);           break;
508                                 case 0x28b: map_key_clear(KEY_FORWARDMAIL);     break;
509                                 case 0x28c: map_key_clear(KEY_SEND);            break;
510
511                                 /* Reported on a Cherry Cymotion keyboard */
512                                 case 0x301: map_key_clear(KEY_PROG1);           break;
513                                 case 0x302: map_key_clear(KEY_PROG2);           break;
514                                 case 0x303: map_key_clear(KEY_PROG3);           break;
515
516                                 default:    goto ignore;
517                         }
518                         break;
519
520                 case HID_UP_HPVENDOR:   /* Reported on a Dutch layout HP5308 */
521
522                         set_bit(EV_REP, input->evbit);
523                         switch (usage->hid & HID_USAGE) {
524                                 case 0x021: map_key_clear(KEY_PRINT);           break;
525                                 case 0x070: map_key_clear(KEY_HP);              break;
526                                 case 0x071: map_key_clear(KEY_CAMERA);          break;
527                                 case 0x072: map_key_clear(KEY_SOUND);           break;
528                                 case 0x073: map_key_clear(KEY_QUESTION);        break;
529                                 case 0x080: map_key_clear(KEY_EMAIL);           break;
530                                 case 0x081: map_key_clear(KEY_CHAT);            break;
531                                 case 0x082: map_key_clear(KEY_SEARCH);          break;
532                                 case 0x083: map_key_clear(KEY_CONNECT);         break;
533                                 case 0x084: map_key_clear(KEY_FINANCE);         break;
534                                 case 0x085: map_key_clear(KEY_SPORT);           break;
535                                 case 0x086: map_key_clear(KEY_SHOP);            break;
536                                 default:    goto ignore;
537                         }
538                         break;
539
540                 case HID_UP_MSVENDOR:
541                         goto ignore;
542
543                 case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
544
545                         set_bit(EV_REP, input->evbit);
546                         switch(usage->hid & HID_USAGE) {
547                                 case 0x003:
548                                         /* The fn key on Apple PowerBooks */
549                                         map_key_clear(KEY_FN);
550                                         hidinput_pb_setup(input);
551                                         break;
552
553                                 default:    goto ignore;
554                         }
555                         break;
556
557                 case HID_UP_LOGIVENDOR: /* Reported on Logitech Ultra X Media Remote */
558
559                         set_bit(EV_REP, input->evbit);
560                         switch(usage->hid & HID_USAGE) {
561                                 case 0x004: map_key_clear(KEY_AGAIN);           break;
562                                 case 0x00d: map_key_clear(KEY_HOME);            break;
563                                 case 0x024: map_key_clear(KEY_SHUFFLE);         break;
564                                 case 0x025: map_key_clear(KEY_TV);              break;
565                                 case 0x026: map_key_clear(KEY_MENU);            break;
566                                 case 0x031: map_key_clear(KEY_AUDIO);           break;
567                                 case 0x032: map_key_clear(KEY_TEXT);            break;
568                                 case 0x033: map_key_clear(KEY_LAST);            break;
569                                 case 0x047: map_key_clear(KEY_MP3);             break;
570                                 case 0x048: map_key_clear(KEY_DVD);             break;
571                                 case 0x049: map_key_clear(KEY_MEDIA);           break;
572                                 case 0x04a: map_key_clear(KEY_VIDEO);           break;
573                                 case 0x04b: map_key_clear(KEY_ANGLE);           break;
574                                 case 0x04c: map_key_clear(KEY_LANGUAGE);        break;
575                                 case 0x04d: map_key_clear(KEY_SUBTITLE);        break;
576                                 case 0x051: map_key_clear(KEY_RED);             break;
577                                 case 0x052: map_key_clear(KEY_CLOSE);           break;
578                                 default:    goto ignore;
579                         }
580                         break;
581
582                 case HID_UP_PID:
583
584                         switch(usage->hid & HID_USAGE) {
585                                 case 0xa4: map_key_clear(BTN_DEAD);     break;
586                                 default: goto ignore;
587                         }
588                         break;
589
590                 default:
591                 unknown:
592                         if (field->report_size == 1) {
593                                 if (field->report->type == HID_OUTPUT_REPORT) {
594                                         map_led(LED_MISC);
595                                         break;
596                                 }
597                                 map_key(BTN_MISC);
598                                 break;
599                         }
600                         if (field->flags & HID_MAIN_ITEM_RELATIVE) {
601                                 map_rel(REL_MISC);
602                                 break;
603                         }
604                         map_abs(ABS_MISC);
605                         break;
606         }
607
608         if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
609                 if (usage->hid == HID_GD_Z)
610                         map_rel(REL_HWHEEL);
611                 else if (usage->code == BTN_1)
612                         map_key(BTN_2);
613                 else if (usage->code == BTN_2)
614                         map_key(BTN_1);
615         }
616
617         if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
618                  (usage->type == EV_REL) && (usage->code == REL_WHEEL))
619                         set_bit(REL_HWHEEL, bit);
620
621         if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
622                 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
623                 goto ignore;
624
625         if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
626                 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
627                 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
628
629         set_bit(usage->type, input->evbit);
630
631         while (usage->code <= max && test_and_set_bit(usage->code, bit))
632                 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
633
634         if (usage->code > max)
635                 goto ignore;
636
637
638         if (usage->type == EV_ABS) {
639
640                 int a = field->logical_minimum;
641                 int b = field->logical_maximum;
642
643                 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
644                         a = field->logical_minimum = 0;
645                         b = field->logical_maximum = 255;
646                 }
647
648                 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
649                         input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
650                 else    input_set_abs_params(input, usage->code, a, b, 0, 0);
651
652         }
653
654         if (usage->type == EV_ABS &&
655             (usage->hat_min < usage->hat_max || usage->hat_dir)) {
656                 int i;
657                 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
658                         input_set_abs_params(input, i, -1, 1, 0, 0);
659                         set_bit(i, input->absbit);
660                 }
661                 if (usage->hat_dir && !field->dpad)
662                         field->dpad = usage->code;
663         }
664
665 #ifdef DEBUG
666         resolv_event(usage->type, usage->code);
667         printk("\n");
668 #endif
669         return;
670
671 ignore:
672 #ifdef DEBUG
673         printk("IGNORED\n");
674 #endif
675         return;
676 }
677
678 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
679 {
680         struct input_dev *input;
681         int *quirks = &hid->quirks;
682
683         if (!field->hidinput)
684                 return;
685
686         input = field->hidinput->input;
687
688         if (!usage->type)
689                 return;
690
691         if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
692                 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
693                 if (value) hid->quirks |=  HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
694                 else       hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
695                 return;
696         }
697
698         if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
699                 input_event(input, usage->type, usage->code, -value);
700                 return;
701         }
702
703         if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
704                 input_event(input, usage->type, REL_HWHEEL, value);
705                 return;
706         }
707
708         if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value))
709                 return;
710
711         if (usage->hat_min < usage->hat_max || usage->hat_dir) {
712                 int hat_dir = usage->hat_dir;
713                 if (!hat_dir)
714                         hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
715                 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
716                 input_event(input, usage->type, usage->code    , hid_hat_to_axis[hat_dir].x);
717                 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
718                 return;
719         }
720
721         if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
722                 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
723                 return;
724         }
725
726         if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
727                 if (value) {
728                         input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
729                         return;
730                 }
731                 input_event(input, usage->type, usage->code, 0);
732                 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
733                 return;
734         }
735
736         if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
737                 int a = field->logical_minimum;
738                 int b = field->logical_maximum;
739                 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
740         }
741
742         if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
743                 dbg("Maximum Effects - %d",value);
744                 return;
745         }
746
747         if (usage->hid == (HID_UP_PID | 0x7fUL)) {
748                 dbg("PID Pool Report\n");
749                 return;
750         }
751
752         if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
753                 return;
754
755         input_event(input, usage->type, usage->code, value);
756
757         if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
758                 input_event(input, usage->type, usage->code, 0);
759 }
760
761 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
762 {
763         struct hid_input *hidinput;
764
765         list_for_each_entry(hidinput, &hid->inputs, list)
766                 input_sync(hidinput->input);
767 }
768 EXPORT_SYMBOL_GPL(hidinput_report_event);
769
770 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
771 {
772         struct hid_report *report;
773         int i, j;
774
775         list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
776                 for (i = 0; i < report->maxfield; i++) {
777                         *field = report->field[i];
778                         for (j = 0; j < (*field)->maxusage; j++)
779                                 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
780                                         return j;
781                 }
782         }
783         return -1;
784 }
785 EXPORT_SYMBOL_GPL(hidinput_find_field);
786
787 /*
788  * Register the input device; print a message.
789  * Configure the input layer interface
790  * Read all reports and initialize the absolute field values.
791  */
792
793 int hidinput_connect(struct hid_device *hid)
794 {
795         struct hid_report *report;
796         struct hid_input *hidinput = NULL;
797         struct input_dev *input_dev;
798         int i, j, k;
799
800         INIT_LIST_HEAD(&hid->inputs);
801
802         for (i = 0; i < hid->maxcollection; i++)
803                 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
804                     hid->collection[i].type == HID_COLLECTION_PHYSICAL)
805                         if (IS_INPUT_APPLICATION(hid->collection[i].usage))
806                                 break;
807
808         if (i == hid->maxcollection)
809                 return -1;
810
811         for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++)
812                 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
813
814                         if (!report->maxfield)
815                                 continue;
816
817                         if (!hidinput) {
818                                 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
819                                 input_dev = input_allocate_device();
820                                 if (!hidinput || !input_dev) {
821                                         kfree(hidinput);
822                                         input_free_device(input_dev);
823                                         err("Out of memory during hid input probe");
824                                         return -1;
825                                 }
826
827                                 input_dev->private = hid;
828                                 input_dev->event = hid->hidinput_input_event;
829                                 input_dev->open = hid->hidinput_open;
830                                 input_dev->close = hid->hidinput_close;
831
832                                 input_dev->name = hid->name;
833                                 input_dev->phys = hid->phys;
834                                 input_dev->uniq = hid->uniq;
835                                 input_dev->id.bustype = hid->bus;
836                                 input_dev->id.vendor  = hid->vendor;
837                                 input_dev->id.product = hid->product;
838                                 input_dev->id.version = hid->version;
839                                 input_dev->cdev.dev = hid->dev;
840                                 hidinput->input = input_dev;
841                                 list_add_tail(&hidinput->list, &hid->inputs);
842                         }
843
844                         for (i = 0; i < report->maxfield; i++)
845                                 for (j = 0; j < report->field[i]->maxusage; j++)
846                                         hidinput_configure_usage(hidinput, report->field[i],
847                                                                  report->field[i]->usage + j);
848
849                         if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
850                                 /* This will leave hidinput NULL, so that it
851                                  * allocates another one if we have more inputs on
852                                  * the same interface. Some devices (e.g. Happ's
853                                  * UGCI) cram a lot of unrelated inputs into the
854                                  * same interface. */
855                                 hidinput->report = report;
856                                 input_register_device(hidinput->input);
857                                 hidinput = NULL;
858                         }
859                 }
860
861         if (hidinput)
862                 input_register_device(hidinput->input);
863
864         return 0;
865 }
866 EXPORT_SYMBOL_GPL(hidinput_connect);
867
868 void hidinput_disconnect(struct hid_device *hid)
869 {
870         struct hid_input *hidinput, *next;
871
872         list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
873                 list_del(&hidinput->list);
874                 input_unregister_device(hidinput->input);
875                 kfree(hidinput);
876         }
877 }
878 EXPORT_SYMBOL_GPL(hidinput_disconnect);
879