1220a5004a5c160e12d417ce840564baa5ff2b84
[linux-2.6.git] / drivers / usb / input / 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  *
6  *  USB HID to Linux Input mapping
7  */
8
9 /*
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23  *
24  * Should you need to contact me, the author, you can do so either by
25  * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
26  * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
27  */
28
29 #include <linux/module.h>
30 #include <linux/slab.h>
31 #include <linux/kernel.h>
32 #include <linux/input.h>
33 #include <linux/usb.h>
34 #include <linux/usb_input.h>
35
36 #undef DEBUG
37
38 #include "hid.h"
39
40 #define unk     KEY_UNKNOWN
41
42 static unsigned char hid_keyboard[256] = {
43           0,  0,  0,  0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
44          50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44,  2,  3,
45           4,  5,  6,  7,  8,  9, 10, 11, 28,  1, 14, 15, 57, 12, 13, 26,
46          27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
47          65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
48         105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
49          72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
50         191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
51         115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
52         122,123, 90, 91, 85,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         unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
57          29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
58         150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
59 };
60
61 static struct {
62         __s32 x;
63         __s32 y;
64 }  hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
65
66 #define map_abs(c)      do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
67 #define map_rel(c)      do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
68 #define map_key(c)      do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
69 #define map_led(c)      do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
70 #define map_ff(c)       do { usage->code = c; usage->type = EV_FF;  bit = input->ffbit;  max =  FF_MAX; } while (0)
71
72 #define map_abs_clear(c)        do { map_abs(c); clear_bit(c, bit); } while (0)
73 #define map_key_clear(c)        do { map_key(c); clear_bit(c, bit); } while (0)
74 #define map_ff_effect(c)        do { set_bit(c, input->ffbit); } while (0)
75
76 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
77                                      struct hid_usage *usage)
78 {
79         struct input_dev *input = hidinput->input;
80         struct hid_device *device = input->private;
81         int max = 0, code;
82         unsigned long *bit = NULL;
83
84         field->hidinput = hidinput;
85
86 #ifdef DEBUG
87         printk(KERN_DEBUG "Mapping: ");
88         resolv_usage(usage->hid);
89         printk(" ---> ");
90 #endif
91
92         if (field->flags & HID_MAIN_ITEM_CONSTANT)
93                 goto ignore;
94
95         switch (usage->hid & HID_USAGE_PAGE) {
96
97                 case HID_UP_UNDEFINED:
98                         goto ignore;
99
100                 case HID_UP_KEYBOARD:
101
102                         set_bit(EV_REP, input->evbit);
103
104                         if ((usage->hid & HID_USAGE) < 256) {
105                                 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
106                                 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
107                         } else
108                                 map_key(KEY_UNKNOWN);
109
110                         break;
111
112                 case HID_UP_BUTTON:
113
114                         code = ((usage->hid - 1) & 0xf);
115
116                         switch (field->application) {
117                                 case HID_GD_MOUSE:
118                                 case HID_GD_POINTER:  code += 0x110; break;
119                                 case HID_GD_JOYSTICK: code += 0x120; break;
120                                 case HID_GD_GAMEPAD:  code += 0x130; break;
121                                 default:
122                                         switch (field->physical) {
123                                                 case HID_GD_MOUSE:
124                                                 case HID_GD_POINTER:  code += 0x110; break;
125                                                 case HID_GD_JOYSTICK: code += 0x120; break;
126                                                 case HID_GD_GAMEPAD:  code += 0x130; break;
127                                                 default:              code += 0x100;
128                                         }
129                         }
130
131                         map_key(code);
132                         break;
133
134
135                 case HID_UP_SIMULATION:
136
137                         switch (usage->hid & 0xffff) {
138                                 case 0xba: map_abs(ABS_RUDDER); break;
139                                 case 0xbb: map_abs(ABS_THROTTLE); break;
140                                 default:   goto ignore;
141                         }
142                         break;
143
144                 case HID_UP_GENDESK:
145
146                         if ((usage->hid & 0xf0) == 0x80) {      /* SystemControl */
147                                 switch (usage->hid & 0xf) {
148                                         case 0x1: map_key_clear(KEY_POWER);  break;
149                                         case 0x2: map_key_clear(KEY_SLEEP);  break;
150                                         case 0x3: map_key_clear(KEY_WAKEUP); break;
151                                         default: goto unknown;
152                                 }
153                                 break;
154                         }
155
156                         if ((usage->hid & 0xf0) == 0x90) {      /* D-pad */
157                                 switch (usage->hid) {
158                                         case HID_GD_UP:    usage->hat_dir = 1; break;
159                                         case HID_GD_DOWN:  usage->hat_dir = 5; break;
160                                         case HID_GD_RIGHT: usage->hat_dir = 3; break;
161                                         case HID_GD_LEFT:  usage->hat_dir = 7; break;
162                                         default: goto unknown;
163                                 }
164                                 if (field->dpad) {
165                                         map_abs(field->dpad);
166                                         goto ignore;
167                                 }
168                                 map_abs(ABS_HAT0X);
169                                 break;
170                         }
171
172                         switch (usage->hid) {
173
174                                 /* These usage IDs map directly to the usage codes. */
175                                 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
176                                 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
177                                 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
178                                         if (field->flags & HID_MAIN_ITEM_RELATIVE)
179                                                 map_rel(usage->hid & 0xf);
180                                         else
181                                                 map_abs(usage->hid & 0xf);
182                                         break;
183
184                                 case HID_GD_HATSWITCH:
185                                         usage->hat_min = field->logical_minimum;
186                                         usage->hat_max = field->logical_maximum;
187                                         map_abs(ABS_HAT0X);
188                                         break;
189
190                                 case HID_GD_START:      map_key_clear(BTN_START);       break;
191                                 case HID_GD_SELECT:     map_key_clear(BTN_SELECT);      break;
192
193                                 default: goto unknown;
194                         }
195
196                         break;
197
198                 case HID_UP_LED:
199                         if (((usage->hid - 1) & 0xffff) >= LED_MAX)
200                                 goto ignore;
201                         map_led((usage->hid - 1) & 0xffff);
202                         break;
203
204                 case HID_UP_DIGITIZER:
205
206                         switch (usage->hid & 0xff) {
207
208                                 case 0x30: /* TipPressure */
209                                         if (!test_bit(BTN_TOUCH, input->keybit)) {
210                                                 device->quirks |= HID_QUIRK_NOTOUCH;
211                                                 set_bit(EV_KEY, input->evbit);
212                                                 set_bit(BTN_TOUCH, input->keybit);
213                                         }
214
215                                         map_abs_clear(ABS_PRESSURE);
216                                         break;
217
218                                 case 0x32: /* InRange */
219                                         switch (field->physical & 0xff) {
220                                                 case 0x21: map_key(BTN_TOOL_MOUSE); break;
221                                                 case 0x22: map_key(BTN_TOOL_FINGER); break;
222                                                 default: map_key(BTN_TOOL_PEN); break;
223                                         }
224                                         break;
225
226                                 case 0x3c: /* Invert */
227                                         map_key_clear(BTN_TOOL_RUBBER);
228                                         break;
229
230                                 case 0x33: /* Touch */
231                                 case 0x42: /* TipSwitch */
232                                 case 0x43: /* TipSwitch2 */
233                                         device->quirks &= ~HID_QUIRK_NOTOUCH;
234                                         map_key_clear(BTN_TOUCH);
235                                         break;
236
237                                 case 0x44: /* BarrelSwitch */
238                                         map_key_clear(BTN_STYLUS);
239                                         break;
240
241                                 default:  goto unknown;
242                         }
243                         break;
244
245                 case HID_UP_CONSUMER:   /* USB HUT v1.1, pages 56-62 */
246
247                         switch (usage->hid & HID_USAGE) {
248                                 case 0x000: goto ignore;
249                                 case 0x034: map_key_clear(KEY_SLEEP);           break;
250                                 case 0x036: map_key_clear(BTN_MISC);            break;
251                                 case 0x045: map_key_clear(KEY_RADIO);           break;
252                                 case 0x08a: map_key_clear(KEY_WWW);             break;
253                                 case 0x08d: map_key_clear(KEY_PROGRAM);         break;
254                                 case 0x095: map_key_clear(KEY_HELP);            break;
255                                 case 0x09c: map_key_clear(KEY_CHANNELUP);       break;
256                                 case 0x09d: map_key_clear(KEY_CHANNELDOWN);     break;
257                                 case 0x0b0: map_key_clear(KEY_PLAY);            break;
258                                 case 0x0b1: map_key_clear(KEY_PAUSE);           break;
259                                 case 0x0b2: map_key_clear(KEY_RECORD);          break;
260                                 case 0x0b3: map_key_clear(KEY_FASTFORWARD);     break;
261                                 case 0x0b4: map_key_clear(KEY_REWIND);          break;
262                                 case 0x0b5: map_key_clear(KEY_NEXTSONG);        break;
263                                 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG);    break;
264                                 case 0x0b7: map_key_clear(KEY_STOPCD);          break;
265                                 case 0x0b8: map_key_clear(KEY_EJECTCD);         break;
266                                 case 0x0cd: map_key_clear(KEY_PLAYPAUSE);       break;
267                                 case 0x0e0: map_abs_clear(ABS_VOLUME);          break;
268                                 case 0x0e2: map_key_clear(KEY_MUTE);            break;
269                                 case 0x0e5: map_key_clear(KEY_BASSBOOST);       break;
270                                 case 0x0e9: map_key_clear(KEY_VOLUMEUP);        break;
271                                 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN);      break;
272                                 case 0x183: map_key_clear(KEY_CONFIG);          break;
273                                 case 0x18a: map_key_clear(KEY_MAIL);            break;
274                                 case 0x192: map_key_clear(KEY_CALC);            break;
275                                 case 0x194: map_key_clear(KEY_FILE);            break;
276                                 case 0x1a7: map_key_clear(KEY_DOCUMENTS);       break;
277                                 case 0x201: map_key_clear(KEY_NEW);             break;
278                                 case 0x207: map_key_clear(KEY_SAVE);            break;
279                                 case 0x208: map_key_clear(KEY_PRINT);           break;
280                                 case 0x209: map_key_clear(KEY_PROPS);           break;
281                                 case 0x21a: map_key_clear(KEY_UNDO);            break;
282                                 case 0x21b: map_key_clear(KEY_COPY);            break;
283                                 case 0x21c: map_key_clear(KEY_CUT);             break;
284                                 case 0x21d: map_key_clear(KEY_PASTE);           break;
285                                 case 0x221: map_key_clear(KEY_FIND);            break;
286                                 case 0x223: map_key_clear(KEY_HOMEPAGE);        break;
287                                 case 0x224: map_key_clear(KEY_BACK);            break;
288                                 case 0x225: map_key_clear(KEY_FORWARD);         break;
289                                 case 0x226: map_key_clear(KEY_STOP);            break;
290                                 case 0x227: map_key_clear(KEY_REFRESH);         break;
291                                 case 0x22a: map_key_clear(KEY_BOOKMARKS);       break;
292                                 case 0x238: map_rel(REL_HWHEEL);                break;
293                                 case 0x279: map_key_clear(KEY_REDO);            break;
294                                 case 0x289: map_key_clear(KEY_REPLY);           break;
295                                 case 0x28b: map_key_clear(KEY_FORWARDMAIL);     break;
296                                 case 0x28c: map_key_clear(KEY_SEND);            break;
297                                 default:    goto ignore;
298                         }
299                         break;
300
301                 case HID_UP_HPVENDOR:   /* Reported on a Dutch layout HP5308 */
302
303                         set_bit(EV_REP, input->evbit);
304                         switch (usage->hid & HID_USAGE) {
305                                 case 0x021: map_key_clear(KEY_PRINT);           break;
306                                 case 0x070: map_key_clear(KEY_HP);              break;
307                                 case 0x071: map_key_clear(KEY_CAMERA);          break;
308                                 case 0x072: map_key_clear(KEY_SOUND);           break;
309                                 case 0x073: map_key_clear(KEY_QUESTION);        break;
310                                 case 0x080: map_key_clear(KEY_EMAIL);           break;
311                                 case 0x081: map_key_clear(KEY_CHAT);            break;
312                                 case 0x082: map_key_clear(KEY_SEARCH);          break;
313                                 case 0x083: map_key_clear(KEY_CONNECT);         break;
314                                 case 0x084: map_key_clear(KEY_FINANCE);         break;
315                                 case 0x085: map_key_clear(KEY_SPORT);           break;
316                                 case 0x086: map_key_clear(KEY_SHOP);            break;
317                                 default:    goto ignore;
318                         }
319                         break;
320
321                 case HID_UP_MSVENDOR:
322                         goto ignore;
323
324                 case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
325
326                         set_bit(EV_REP, input->evbit);
327                         switch(usage->hid & HID_USAGE) {
328                                 case 0x003: map_key_clear(KEY_FN);              break;
329                                 default:    goto ignore;
330                         }
331                         break;
332
333                 case HID_UP_LOGIVENDOR: /* Reported on Logitech Ultra X Media Remote */
334
335                         set_bit(EV_REP, input->evbit);
336                         switch(usage->hid & HID_USAGE) {
337                                 case 0x004: map_key_clear(KEY_AGAIN);           break;
338                                 case 0x00d: map_key_clear(KEY_HOME);            break;
339                                 case 0x024: map_key_clear(KEY_SHUFFLE);         break;
340                                 case 0x025: map_key_clear(KEY_TV);              break;
341                                 case 0x026: map_key_clear(KEY_MENU);            break;
342                                 case 0x031: map_key_clear(KEY_AUDIO);           break;
343                                 case 0x032: map_key_clear(KEY_SUBTITLE);        break;
344                                 case 0x033: map_key_clear(KEY_LAST);            break;
345                                 case 0x047: map_key_clear(KEY_MP3);             break;
346                                 case 0x048: map_key_clear(KEY_DVD);             break;
347                                 case 0x049: map_key_clear(KEY_MEDIA);           break;
348                                 case 0x04a: map_key_clear(KEY_VIDEO);           break;
349                                 case 0x04b: map_key_clear(KEY_ANGLE);           break;
350                                 case 0x04c: map_key_clear(KEY_LANGUAGE);        break;
351                                 case 0x04d: map_key_clear(KEY_SUBTITLE);        break;
352                                 case 0x051: map_key_clear(KEY_RED);             break;
353                                 case 0x052: map_key_clear(KEY_CLOSE);           break;
354                                 default:    goto ignore;
355                         }
356                         break;
357
358                 case HID_UP_PID:
359
360                         set_bit(EV_FF, input->evbit);
361                         switch(usage->hid & HID_USAGE) {
362                                 case 0x26: map_ff_effect(FF_CONSTANT);  goto ignore;
363                                 case 0x27: map_ff_effect(FF_RAMP);      goto ignore;
364                                 case 0x28: map_ff_effect(FF_CUSTOM);    goto ignore;
365                                 case 0x30: map_ff_effect(FF_SQUARE);    map_ff_effect(FF_PERIODIC); goto ignore;
366                                 case 0x31: map_ff_effect(FF_SINE);      map_ff_effect(FF_PERIODIC); goto ignore;
367                                 case 0x32: map_ff_effect(FF_TRIANGLE);  map_ff_effect(FF_PERIODIC); goto ignore;
368                                 case 0x33: map_ff_effect(FF_SAW_UP);    map_ff_effect(FF_PERIODIC); goto ignore;
369                                 case 0x34: map_ff_effect(FF_SAW_DOWN);  map_ff_effect(FF_PERIODIC); goto ignore;
370                                 case 0x40: map_ff_effect(FF_SPRING);    goto ignore;
371                                 case 0x41: map_ff_effect(FF_DAMPER);    goto ignore;
372                                 case 0x42: map_ff_effect(FF_INERTIA);   goto ignore;
373                                 case 0x43: map_ff_effect(FF_FRICTION);  goto ignore;
374                                 case 0x7e: map_ff(FF_GAIN);             break;
375                                 case 0x83: input->ff_effects_max = field->value[0]; goto ignore;
376                                 case 0x98: map_ff(FF_AUTOCENTER);       break;
377                                 case 0xa4: map_key_clear(BTN_DEAD);     break;
378                                 default: goto ignore;
379                         }
380                         break;
381
382                 default:
383                 unknown:
384                         if (field->report_size == 1) {
385                                 if (field->report->type == HID_OUTPUT_REPORT) {
386                                         map_led(LED_MISC);
387                                         break;
388                                 }
389                                 map_key(BTN_MISC);
390                                 break;
391                         }
392                         if (field->flags & HID_MAIN_ITEM_RELATIVE) {
393                                 map_rel(REL_MISC);
394                                 break;
395                         }
396                         map_abs(ABS_MISC);
397                         break;
398         }
399
400         set_bit(usage->type, input->evbit);
401
402         while (usage->code <= max && test_and_set_bit(usage->code, bit))
403                 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
404
405         if (usage->code > max)
406                 goto ignore;
407
408         if (((device->quirks & (HID_QUIRK_2WHEEL_POWERMOUSE)) && (usage->hid == 0x00010032)))
409                 map_rel(REL_HWHEEL);
410
411         if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
412                  (usage->type == EV_REL) && (usage->code == REL_WHEEL))
413                         set_bit(REL_HWHEEL, bit);
414
415         if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
416                 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
417                 goto ignore;
418
419         if (usage->type == EV_ABS) {
420
421                 int a = field->logical_minimum;
422                 int b = field->logical_maximum;
423
424                 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
425                         a = field->logical_minimum = 0;
426                         b = field->logical_maximum = 255;
427                 }
428
429                 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
430                         input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
431                 else    input_set_abs_params(input, usage->code, a, b, 0, 0);
432
433         }
434
435         if (usage->hat_min < usage->hat_max || usage->hat_dir) {
436                 int i;
437                 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
438                         input_set_abs_params(input, i, -1, 1, 0, 0);
439                         set_bit(i, input->absbit);
440                 }
441                 if (usage->hat_dir && !field->dpad)
442                         field->dpad = usage->code;
443         }
444
445 #ifdef DEBUG
446         resolv_event(usage->type, usage->code);
447         printk("\n");
448 #endif
449         return;
450
451 ignore:
452 #ifdef DEBUG
453         printk("IGNORED\n");
454 #endif
455         return;
456 }
457
458 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value, struct pt_regs *regs)
459 {
460         struct input_dev *input;
461         int *quirks = &hid->quirks;
462
463         if (!field->hidinput)
464                 return;
465
466         input = field->hidinput->input;
467
468         input_regs(input, regs);
469
470         if (!usage->type)
471                 return;
472
473         if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
474                 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
475                 if (value) hid->quirks |=  HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
476                 else       hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
477                 return;
478         }
479
480         if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
481                 input_event(input, usage->type, REL_HWHEEL, value);
482                 return;
483         }
484
485         if (usage->hat_min < usage->hat_max || usage->hat_dir) {
486                 int hat_dir = usage->hat_dir;
487                 if (!hat_dir)
488                         hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
489                 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
490                 input_event(input, usage->type, usage->code    , hid_hat_to_axis[hat_dir].x);
491                 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
492                 return;
493         }
494
495         if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
496                 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
497                 return;
498         }
499
500         if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
501                 if (value) {
502                         input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
503                         return;
504                 }
505                 input_event(input, usage->type, usage->code, 0);
506                 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
507                 return;
508         }
509
510         if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
511                 int a = field->logical_minimum;
512                 int b = field->logical_maximum;
513                 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
514         }
515
516         if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
517                 input->ff_effects_max = value;
518                 dbg("Maximum Effects - %d",input->ff_effects_max);
519                 return;
520         }
521
522         if (usage->hid == (HID_UP_PID | 0x7fUL)) {
523                 dbg("PID Pool Report\n");
524                 return;
525         }
526
527         if((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
528                 return;
529
530         input_event(input, usage->type, usage->code, value);
531
532         if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
533                 input_event(input, usage->type, usage->code, 0);
534 }
535
536 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
537 {
538         struct hid_input *hidinput;
539
540         list_for_each_entry(hidinput, &hid->inputs, list)
541                 input_sync(hidinput->input);
542 }
543
544 static int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
545 {
546         struct hid_report *report;
547         int i, j;
548
549         list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
550                 for (i = 0; i < report->maxfield; i++) {
551                         *field = report->field[i];
552                         for (j = 0; j < (*field)->maxusage; j++)
553                                 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
554                                         return j;
555                 }
556         }
557         return -1;
558 }
559
560 static int hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
561 {
562         struct hid_device *hid = dev->private;
563         struct hid_field *field;
564         int offset;
565
566         if (type == EV_FF)
567                 return hid_ff_event(hid, dev, type, code, value);
568
569         if (type != EV_LED)
570                 return -1;
571
572         if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) {
573                 warn("event field not found");
574                 return -1;
575         }
576
577         hid_set_field(field, offset, value);
578         hid_submit_report(hid, field->report, USB_DIR_OUT);
579
580         return 0;
581 }
582
583 static int hidinput_open(struct input_dev *dev)
584 {
585         struct hid_device *hid = dev->private;
586         return hid_open(hid);
587 }
588
589 static void hidinput_close(struct input_dev *dev)
590 {
591         struct hid_device *hid = dev->private;
592         hid_close(hid);
593 }
594
595 /*
596  * Register the input device; print a message.
597  * Configure the input layer interface
598  * Read all reports and initialize the absolute field values.
599  */
600
601 int hidinput_connect(struct hid_device *hid)
602 {
603         struct usb_device *dev = hid->dev;
604         struct hid_report *report;
605         struct hid_input *hidinput = NULL;
606         struct input_dev *input_dev;
607         int i, j, k;
608
609         INIT_LIST_HEAD(&hid->inputs);
610
611         for (i = 0; i < hid->maxcollection; i++)
612                 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
613                     hid->collection[i].type == HID_COLLECTION_PHYSICAL)
614                         if (IS_INPUT_APPLICATION(hid->collection[i].usage))
615                                 break;
616
617         if (i == hid->maxcollection)
618                 return -1;
619
620         for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++)
621                 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
622
623                         if (!report->maxfield)
624                                 continue;
625
626                         if (!hidinput) {
627                                 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
628                                 input_dev = input_allocate_device();
629                                 if (!hidinput || !input_dev) {
630                                         kfree(hidinput);
631                                         input_free_device(input_dev);
632                                         err("Out of memory during hid input probe");
633                                         return -1;
634                                 }
635
636                                 input_dev->private = hid;
637                                 input_dev->event = hidinput_input_event;
638                                 input_dev->open = hidinput_open;
639                                 input_dev->close = hidinput_close;
640
641                                 input_dev->name = hid->name;
642                                 input_dev->phys = hid->phys;
643                                 input_dev->uniq = hid->uniq;
644                                 usb_to_input_id(dev, &input_dev->id);
645                                 input_dev->cdev.dev = &hid->intf->dev;
646
647                                 hidinput->input = input_dev;
648                                 list_add_tail(&hidinput->list, &hid->inputs);
649                         }
650
651                         for (i = 0; i < report->maxfield; i++)
652                                 for (j = 0; j < report->field[i]->maxusage; j++)
653                                         hidinput_configure_usage(hidinput, report->field[i],
654                                                                  report->field[i]->usage + j);
655
656                         if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
657                                 /* This will leave hidinput NULL, so that it
658                                  * allocates another one if we have more inputs on
659                                  * the same interface. Some devices (e.g. Happ's
660                                  * UGCI) cram a lot of unrelated inputs into the
661                                  * same interface. */
662                                 hidinput->report = report;
663                                 input_register_device(hidinput->input);
664                                 hidinput = NULL;
665                         }
666                 }
667
668         /* This only gets called when we are a single-input (most of the
669          * time). IOW, not a HID_QUIRK_MULTI_INPUT. The hid_ff_init() is
670          * only useful in this case, and not for multi-input quirks. */
671         if (hidinput) {
672                 hid_ff_init(hid);
673                 input_register_device(hidinput->input);
674         }
675
676         return 0;
677 }
678
679 void hidinput_disconnect(struct hid_device *hid)
680 {
681         struct hid_input *hidinput, *next;
682
683         list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
684                 list_del(&hidinput->list);
685                 input_unregister_device(hidinput->input);
686                 kfree(hidinput);
687         }
688 }