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[CPUFREQ] Advise not to use longhaul on VIA C7.
[linux-2.6/mini2440.git] / drivers / hid / hid-input.c
blob14cdf09316ced7ef613fa1caa42a970f2407b6d0
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 0x045: map_key_clear(KEY_RADIO); break;
419 case 0x08a: map_key_clear(KEY_WWW); break;
420 case 0x08d: map_key_clear(KEY_PROGRAM); break;
421 case 0x095: map_key_clear(KEY_HELP); break;
422 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
423 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
424 case 0x0b0: map_key_clear(KEY_PLAY); break;
425 case 0x0b1: map_key_clear(KEY_PAUSE); break;
426 case 0x0b2: map_key_clear(KEY_RECORD); break;
427 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
428 case 0x0b4: map_key_clear(KEY_REWIND); break;
429 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
430 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
431 case 0x0b7: map_key_clear(KEY_STOPCD); break;
432 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
433 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
434 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
435 case 0x0e2: map_key_clear(KEY_MUTE); break;
436 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
437 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
438 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
439 case 0x183: map_key_clear(KEY_CONFIG); break;
440 case 0x18a: map_key_clear(KEY_MAIL); break;
441 case 0x192: map_key_clear(KEY_CALC); break;
442 case 0x194: map_key_clear(KEY_FILE); break;
443 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
444 case 0x201: map_key_clear(KEY_NEW); break;
445 case 0x207: map_key_clear(KEY_SAVE); break;
446 case 0x208: map_key_clear(KEY_PRINT); break;
447 case 0x209: map_key_clear(KEY_PROPS); break;
448 case 0x21a: map_key_clear(KEY_UNDO); break;
449 case 0x21b: map_key_clear(KEY_COPY); break;
450 case 0x21c: map_key_clear(KEY_CUT); break;
451 case 0x21d: map_key_clear(KEY_PASTE); break;
452 case 0x221: map_key_clear(KEY_FIND); break;
453 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
454 case 0x224: map_key_clear(KEY_BACK); break;
455 case 0x225: map_key_clear(KEY_FORWARD); break;
456 case 0x226: map_key_clear(KEY_STOP); break;
457 case 0x227: map_key_clear(KEY_REFRESH); break;
458 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
459 case 0x233: map_key_clear(KEY_SCROLLUP); break;
460 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
461 case 0x238: map_rel(REL_HWHEEL); break;
462 case 0x279: map_key_clear(KEY_REDO); break;
463 case 0x289: map_key_clear(KEY_REPLY); break;
464 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
465 case 0x28c: map_key_clear(KEY_SEND); break;
466
467 /* Reported on a Cherry Cymotion keyboard */
468 case 0x301: map_key_clear(KEY_PROG1); break;
469 case 0x302: map_key_clear(KEY_PROG2); break;
470 case 0x303: map_key_clear(KEY_PROG3); break;
471
472 default: goto ignore;
473 }
474 break;
475
476 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
477
478 set_bit(EV_REP, input->evbit);
479 switch (usage->hid & HID_USAGE) {
480 case 0x021: map_key_clear(KEY_PRINT); break;
481 case 0x070: map_key_clear(KEY_HP); break;
482 case 0x071: map_key_clear(KEY_CAMERA); break;
483 case 0x072: map_key_clear(KEY_SOUND); break;
484 case 0x073: map_key_clear(KEY_QUESTION); break;
485 case 0x080: map_key_clear(KEY_EMAIL); break;
486 case 0x081: map_key_clear(KEY_CHAT); break;
487 case 0x082: map_key_clear(KEY_SEARCH); break;
488 case 0x083: map_key_clear(KEY_CONNECT); break;
489 case 0x084: map_key_clear(KEY_FINANCE); break;
490 case 0x085: map_key_clear(KEY_SPORT); break;
491 case 0x086: map_key_clear(KEY_SHOP); break;
492 default: goto ignore;
493 }
494 break;
495
496 case HID_UP_MSVENDOR:
497 goto ignore;
498
499 case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
500
501 set_bit(EV_REP, input->evbit);
502 switch(usage->hid & HID_USAGE) {
503 case 0x003:
504 /* The fn key on Apple PowerBooks */
505 map_key_clear(KEY_FN);
506 hidinput_pb_setup(input);
507 break;
508
509 default: goto ignore;
510 }
511 break;
512
513 case HID_UP_LOGIVENDOR: /* Reported on Logitech Ultra X Media Remote */
514
515 set_bit(EV_REP, input->evbit);
516 switch(usage->hid & HID_USAGE) {
517 case 0x004: map_key_clear(KEY_AGAIN); break;
518 case 0x00d: map_key_clear(KEY_HOME); break;
519 case 0x024: map_key_clear(KEY_SHUFFLE); break;
520 case 0x025: map_key_clear(KEY_TV); break;
521 case 0x026: map_key_clear(KEY_MENU); break;
522 case 0x031: map_key_clear(KEY_AUDIO); break;
523 case 0x032: map_key_clear(KEY_TEXT); break;
524 case 0x033: map_key_clear(KEY_LAST); break;
525 case 0x047: map_key_clear(KEY_MP3); break;
526 case 0x048: map_key_clear(KEY_DVD); break;
527 case 0x049: map_key_clear(KEY_MEDIA); break;
528 case 0x04a: map_key_clear(KEY_VIDEO); break;
529 case 0x04b: map_key_clear(KEY_ANGLE); break;
530 case 0x04c: map_key_clear(KEY_LANGUAGE); break;
531 case 0x04d: map_key_clear(KEY_SUBTITLE); break;
532 case 0x051: map_key_clear(KEY_RED); break;
533 case 0x052: map_key_clear(KEY_CLOSE); break;
534 default: goto ignore;
535 }
536 break;
537
538 case HID_UP_PID:
539
540 switch(usage->hid & HID_USAGE) {
541 case 0xa4: map_key_clear(BTN_DEAD); break;
542 default: goto ignore;
543 }
544 break;
545
546 default:
547 unknown:
548 if (field->report_size == 1) {
549 if (field->report->type == HID_OUTPUT_REPORT) {
550 map_led(LED_MISC);
551 break;
552 }
553 map_key(BTN_MISC);
554 break;
555 }
556 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
557 map_rel(REL_MISC);
558 break;
559 }
560 map_abs(ABS_MISC);
561 break;
562 }
563
564 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
565 if (usage->hid == HID_GD_Z)
566 map_rel(REL_HWHEEL);
567 else if (usage->code == BTN_1)
568 map_key(BTN_2);
569 else if (usage->code == BTN_2)
570 map_key(BTN_1);
571 }
572
573 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
574 (usage->type == EV_REL) && (usage->code == REL_WHEEL))
575 set_bit(REL_HWHEEL, bit);
576
577 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
578 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
579 goto ignore;
580
581 if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
582 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
583 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
584
585 set_bit(usage->type, input->evbit);
586
587 while (usage->code <= max && test_and_set_bit(usage->code, bit))
588 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
589
590 if (usage->code > max)
591 goto ignore;
592
593
594 if (usage->type == EV_ABS) {
595
596 int a = field->logical_minimum;
597 int b = field->logical_maximum;
598
599 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
600 a = field->logical_minimum = 0;
601 b = field->logical_maximum = 255;
602 }
603
604 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
605 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
606 else input_set_abs_params(input, usage->code, a, b, 0, 0);
607
608 }
609
610 if (usage->type == EV_ABS &&
611 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
612 int i;
613 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
614 input_set_abs_params(input, i, -1, 1, 0, 0);
615 set_bit(i, input->absbit);
616 }
617 if (usage->hat_dir && !field->dpad)
618 field->dpad = usage->code;
619 }
620
621 #ifdef DEBUG
622 resolv_event(usage->type, usage->code);
623 printk("\n");
624 #endif
625 return;
626
627 ignore:
628 #ifdef DEBUG
629 printk("IGNORED\n");
630 #endif
631 return;
632 }
633
634 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
635 {
636 struct input_dev *input;
637 int *quirks = &hid->quirks;
638
639 if (!field->hidinput)
640 return;
641
642 input = field->hidinput->input;
643
644 if (!usage->type)
645 return;
646
647 if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
648 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
649 if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
650 else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
651 return;
652 }
653
654 if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
655 input_event(input, usage->type, usage->code, -value);
656 return;
657 }
658
659 if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
660 input_event(input, usage->type, REL_HWHEEL, value);
661 return;
662 }
663
664 if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value))
665 return;
666
667 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
668 int hat_dir = usage->hat_dir;
669 if (!hat_dir)
670 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
671 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
672 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
673 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
674 return;
675 }
676
677 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
678 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
679 return;
680 }
681
682 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
683 if (value) {
684 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
685 return;
686 }
687 input_event(input, usage->type, usage->code, 0);
688 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
689 return;
690 }
691
692 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
693 int a = field->logical_minimum;
694 int b = field->logical_maximum;
695 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
696 }
697
698 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
699 dbg("Maximum Effects - %d",value);
700 return;
701 }
702
703 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
704 dbg("PID Pool Report\n");
705 return;
706 }
707
708 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
709 return;
710
711 input_event(input, usage->type, usage->code, value);
712
713 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
714 input_event(input, usage->type, usage->code, 0);
715 }
716
717 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
718 {
719 struct hid_input *hidinput;
720
721 list_for_each_entry(hidinput, &hid->inputs, list)
722 input_sync(hidinput->input);
723 }
724 EXPORT_SYMBOL_GPL(hidinput_report_event);
725
726 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
727 {
728 struct hid_report *report;
729 int i, j;
730
731 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
732 for (i = 0; i < report->maxfield; i++) {
733 *field = report->field[i];
734 for (j = 0; j < (*field)->maxusage; j++)
735 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
736 return j;
737 }
738 }
739 return -1;
740 }
741 EXPORT_SYMBOL_GPL(hidinput_find_field);
742
743 /*
744 * Register the input device; print a message.
745 * Configure the input layer interface
746 * Read all reports and initialize the absolute field values.
747 */
748
749 int hidinput_connect(struct hid_device *hid)
750 {
751 struct hid_report *report;
752 struct hid_input *hidinput = NULL;
753 struct input_dev *input_dev;
754 int i, j, k;
755
756 INIT_LIST_HEAD(&hid->inputs);
757
758 for (i = 0; i < hid->maxcollection; i++)
759 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
760 hid->collection[i].type == HID_COLLECTION_PHYSICAL)
761 if (IS_INPUT_APPLICATION(hid->collection[i].usage))
762 break;
763
764 if (i == hid->maxcollection)
765 return -1;
766
767 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++)
768 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
769
770 if (!report->maxfield)
771 continue;
772
773 if (!hidinput) {
774 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
775 input_dev = input_allocate_device();
776 if (!hidinput || !input_dev) {
777 kfree(hidinput);
778 input_free_device(input_dev);
779 err("Out of memory during hid input probe");
780 return -1;
781 }
782
783 input_dev->private = hid;
784 input_dev->event = hid->hidinput_input_event;
785 input_dev->open = hid->hidinput_open;
786 input_dev->close = hid->hidinput_close;
787
788 input_dev->name = hid->name;
789 input_dev->phys = hid->phys;
790 input_dev->uniq = hid->uniq;
791 input_dev->id.bustype = hid->bus;
792 input_dev->id.vendor = hid->vendor;
793 input_dev->id.product = hid->product;
794 input_dev->id.version = hid->version;
795 input_dev->cdev.dev = hid->dev;
796 hidinput->input = input_dev;
797 list_add_tail(&hidinput->list, &hid->inputs);
798 }
799
800 for (i = 0; i < report->maxfield; i++)
801 for (j = 0; j < report->field[i]->maxusage; j++)
802 hidinput_configure_usage(hidinput, report->field[i],
803 report->field[i]->usage + j);
804
805 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
806 /* This will leave hidinput NULL, so that it
807 * allocates another one if we have more inputs on
808 * the same interface. Some devices (e.g. Happ's
809 * UGCI) cram a lot of unrelated inputs into the
810 * same interface. */
811 hidinput->report = report;
812 input_register_device(hidinput->input);
813 hidinput = NULL;
814 }
815 }
816
817 if (hidinput)
818 input_register_device(hidinput->input);
819
820 return 0;
821 }
822 EXPORT_SYMBOL_GPL(hidinput_connect);
823
824 void hidinput_disconnect(struct hid_device *hid)
825 {
826 struct hid_input *hidinput, *next;
827
828 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
829 list_del(&hidinput->list);
830 input_unregister_device(hidinput->input);
831 kfree(hidinput);
832 }
833 }
834 EXPORT_SYMBOL_GPL(hidinput_disconnect);
835
Support for the Chinese Samsung S3C2440 based development boards