tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
34#undef DEBUG
35
36#include <linux/hid.h>
37
38static int hid_pb_fnmode = 1;
39module_param_named(pb_fnmode, hid_pb_fnmode, int, 0644);
40MODULE_PARM_DESC(pb_fnmode,
41 "Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
42
43#define unk KEY_UNKNOWN
44
45static const unsigned char hid_keyboard[256] = {
46 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
47 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3,
48 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
49 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
50 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
51 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
52 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
53 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
54 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
55 122,123, 90, 91, 85,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 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
58 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
59 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
60 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
61 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
62};
63
64static const struct {
65 __s32 x;
66 __s32 y;
67} hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
68
69#define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
70#define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
71#define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
72#define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
73
74#define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0)
75#define map_rel_clear(c) do { map_rel(c); clear_bit(c, bit); } while (0)
76#define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0)
77
78#ifdef CONFIG_USB_HIDINPUT_POWERBOOK
79
80struct hidinput_key_translation {
81 u16 from;
82 u16 to;
83 u8 flags;
84};
85
86#define POWERBOOK_FLAG_FKEY 0x01
87
88static struct hidinput_key_translation powerbook_fn_keys[] = {
89 { KEY_BACKSPACE, KEY_DELETE },
90 { KEY_F1, KEY_BRIGHTNESSDOWN, POWERBOOK_FLAG_FKEY },
91 { KEY_F2, KEY_BRIGHTNESSUP, POWERBOOK_FLAG_FKEY },
92 { KEY_F3, KEY_MUTE, POWERBOOK_FLAG_FKEY },
93 { KEY_F4, KEY_VOLUMEDOWN, POWERBOOK_FLAG_FKEY },
94 { KEY_F5, KEY_VOLUMEUP, POWERBOOK_FLAG_FKEY },
95 { KEY_F6, KEY_NUMLOCK, POWERBOOK_FLAG_FKEY },
96 { KEY_F7, KEY_SWITCHVIDEOMODE, POWERBOOK_FLAG_FKEY },
97 { KEY_F8, KEY_KBDILLUMTOGGLE, POWERBOOK_FLAG_FKEY },
98 { KEY_F9, KEY_KBDILLUMDOWN, POWERBOOK_FLAG_FKEY },
99 { KEY_F10, KEY_KBDILLUMUP, POWERBOOK_FLAG_FKEY },
100 { KEY_UP, KEY_PAGEUP },
101 { KEY_DOWN, KEY_PAGEDOWN },
102 { KEY_LEFT, KEY_HOME },
103 { KEY_RIGHT, KEY_END },
104 { }
105};
106
107static struct hidinput_key_translation powerbook_numlock_keys[] = {
108 { KEY_J, KEY_KP1 },
109 { KEY_K, KEY_KP2 },
110 { KEY_L, KEY_KP3 },
111 { KEY_U, KEY_KP4 },
112 { KEY_I, KEY_KP5 },
113 { KEY_O, KEY_KP6 },
114 { KEY_7, KEY_KP7 },
115 { KEY_8, KEY_KP8 },
116 { KEY_9, KEY_KP9 },
117 { KEY_M, KEY_KP0 },
118 { KEY_DOT, KEY_KPDOT },
119 { KEY_SLASH, KEY_KPPLUS },
120 { KEY_SEMICOLON, KEY_KPMINUS },
121 { KEY_P, KEY_KPASTERISK },
122 { KEY_MINUS, KEY_KPEQUAL },
123 { KEY_0, KEY_KPSLASH },
124 { KEY_F6, KEY_NUMLOCK },
125 { KEY_KPENTER, KEY_KPENTER },
126 { KEY_BACKSPACE, KEY_BACKSPACE },
127 { }
128};
129
130static struct hidinput_key_translation powerbook_iso_keyboard[] = {
131 { KEY_GRAVE, KEY_102ND },
132 { KEY_102ND, KEY_GRAVE },
133 { }
134};
135
136static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
137{
138 struct hidinput_key_translation *trans;
139
140 /* Look for the translation */
141 for (trans = table; trans->from; trans++)
142 if (trans->from == from)
143 return trans;
144
145 return NULL;
146}
147
148static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
149 struct hid_usage *usage, __s32 value)
150{
151 struct hidinput_key_translation *trans;
152
153 if (usage->code == KEY_FN) {
154 if (value) hid->quirks |= HID_QUIRK_POWERBOOK_FN_ON;
155 else hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON;
156
157 input_event(input, usage->type, usage->code, value);
158
159 return 1;
160 }
161
162 if (hid_pb_fnmode) {
163 int do_translate;
164
165 trans = find_translation(powerbook_fn_keys, usage->code);
166 if (trans) {
167 if (test_bit(usage->code, hid->pb_pressed_fn))
168 do_translate = 1;
169 else if (trans->flags & POWERBOOK_FLAG_FKEY)
170 do_translate =
171 (hid_pb_fnmode == 2 && (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) ||
172 (hid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON));
173 else
174 do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON);
175
176 if (do_translate) {
177 if (value)
178 set_bit(usage->code, hid->pb_pressed_fn);
179 else
180 clear_bit(usage->code, hid->pb_pressed_fn);
181
182 input_event(input, usage->type, trans->to, value);
183
184 return 1;
185 }
186 }
187
188 if (test_bit(usage->code, hid->pb_pressed_numlock) ||
189 test_bit(LED_NUML, input->led)) {
190 trans = find_translation(powerbook_numlock_keys, usage->code);
191
192 if (trans) {
193 if (value)
194 set_bit(usage->code, hid->pb_pressed_numlock);
195 else
196 clear_bit(usage->code, hid->pb_pressed_numlock);
197
198 input_event(input, usage->type, trans->to, value);
199 }
200
201 return 1;
202 }
203 }
204
205 if (hid->quirks & HID_QUIRK_POWERBOOK_ISO_KEYBOARD) {
206 trans = find_translation(powerbook_iso_keyboard, usage->code);
207 if (trans) {
208 input_event(input, usage->type, trans->to, value);
209 return 1;
210 }
211 }
212
213 return 0;
214}
215
216static void hidinput_pb_setup(struct input_dev *input)
217{
218 struct hidinput_key_translation *trans;
219
220 set_bit(KEY_NUMLOCK, input->keybit);
221
222 /* Enable all needed keys */
223 for (trans = powerbook_fn_keys; trans->from; trans++)
224 set_bit(trans->to, input->keybit);
225
226 for (trans = powerbook_numlock_keys; trans->from; trans++)
227 set_bit(trans->to, input->keybit);
228
229 for (trans = powerbook_iso_keyboard; trans->from; trans++)
230 set_bit(trans->to, input->keybit);
231
232}
233#else
234static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
235 struct hid_usage *usage, __s32 value)
236{
237 return 0;
238}
239
240static inline void hidinput_pb_setup(struct input_dev *input)
241{
242}
243#endif
244
245static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
246 struct hid_usage *usage)
247{
248 struct input_dev *input = hidinput->input;
249 struct hid_device *device = input->private;
250 int max = 0, code;
251 unsigned long *bit = NULL;
252
253 field->hidinput = hidinput;
254
255#ifdef DEBUG
256 printk(KERN_DEBUG "Mapping: ");
257 resolv_usage(usage->hid);
258 printk(" ---> ");
259#endif
260
261 if (field->flags & HID_MAIN_ITEM_CONSTANT)
262 goto ignore;
263
264 switch (usage->hid & HID_USAGE_PAGE) {
265
266 case HID_UP_UNDEFINED:
267 goto ignore;
268
269 case HID_UP_KEYBOARD:
270
271 set_bit(EV_REP, input->evbit);
272
273 if ((usage->hid & HID_USAGE) < 256) {
274 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
275 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
276 } else
277 map_key(KEY_UNKNOWN);
278
279 break;
280
281 case HID_UP_BUTTON:
282
283 code = ((usage->hid - 1) & 0xf);
284
285 switch (field->application) {
286 case HID_GD_MOUSE:
287 case HID_GD_POINTER: code += 0x110; break;
288 case HID_GD_JOYSTICK: code += 0x120; break;
289 case HID_GD_GAMEPAD: code += 0x130; break;
290 default:
291 switch (field->physical) {
292 case HID_GD_MOUSE:
293 case HID_GD_POINTER: code += 0x110; break;
294 case HID_GD_JOYSTICK: code += 0x120; break;
295 case HID_GD_GAMEPAD: code += 0x130; break;
296 default: code += 0x100;
297 }
298 }
299
300 map_key_clear(code);
301 break;
302
303
304 case HID_UP_SIMULATION:
305
306 switch (usage->hid & 0xffff) {
307 case 0xba: map_abs(ABS_RUDDER); break;
308 case 0xbb: map_abs(ABS_THROTTLE); break;
309 case 0xc4: map_abs(ABS_GAS); break;
310 case 0xc5: map_abs(ABS_BRAKE); break;
311 case 0xc8: map_abs(ABS_WHEEL); break;
312 default: goto ignore;
313 }
314 break;
315
316 case HID_UP_GENDESK:
317
318 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
319 switch (usage->hid & 0xf) {
320 case 0x1: map_key_clear(KEY_POWER); break;
321 case 0x2: map_key_clear(KEY_SLEEP); break;
322 case 0x3: map_key_clear(KEY_WAKEUP); break;
323 default: goto unknown;
324 }
325 break;
326 }
327
328 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
329 switch (usage->hid) {
330 case HID_GD_UP: usage->hat_dir = 1; break;
331 case HID_GD_DOWN: usage->hat_dir = 5; break;
332 case HID_GD_RIGHT: usage->hat_dir = 3; break;
333 case HID_GD_LEFT: usage->hat_dir = 7; break;
334 default: goto unknown;
335 }
336 if (field->dpad) {
337 map_abs(field->dpad);
338 goto ignore;
339 }
340 map_abs(ABS_HAT0X);
341 break;
342 }
343
344 switch (usage->hid) {
345
346 /* These usage IDs map directly to the usage codes. */
347 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
348 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
349 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
350 if (field->flags & HID_MAIN_ITEM_RELATIVE)
351 map_rel_clear(usage->hid & 0xf);
352 else
353 map_abs_clear(usage->hid & 0xf);
354 break;
355
356 case HID_GD_HATSWITCH:
357 usage->hat_min = field->logical_minimum;
358 usage->hat_max = field->logical_maximum;
359 map_abs(ABS_HAT0X);
360 break;
361
362 case HID_GD_START: map_key_clear(BTN_START); break;
363 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
364
365 default: goto unknown;
366 }
367
368 break;
369
370 case HID_UP_LED:
371
372 switch (usage->hid & 0xffff) { /* HID-Value: */
373 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */
374 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */
375 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */
376 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */
377 case 0x05: map_led (LED_KANA); break; /* "Kana" */
378 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */
379 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */
380 case 0x09: map_led (LED_MUTE); break; /* "Mute" */
381 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */
382 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */
383 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */
384
385 default: goto ignore;
386 }
387 break;
388
389 case HID_UP_DIGITIZER:
390
391 switch (usage->hid & 0xff) {
392
393 case 0x30: /* TipPressure */
394 if (!test_bit(BTN_TOUCH, input->keybit)) {
395 device->quirks |= HID_QUIRK_NOTOUCH;
396 set_bit(EV_KEY, input->evbit);
397 set_bit(BTN_TOUCH, input->keybit);
398 }
399
400 map_abs_clear(ABS_PRESSURE);
401 break;
402
403 case 0x32: /* InRange */
404 switch (field->physical & 0xff) {
405 case 0x21: map_key(BTN_TOOL_MOUSE); break;
406 case 0x22: map_key(BTN_TOOL_FINGER); break;
407 default: map_key(BTN_TOOL_PEN); break;
408 }
409 break;
410
411 case 0x3c: /* Invert */
412 map_key_clear(BTN_TOOL_RUBBER);
413 break;
414
415 case 0x33: /* Touch */
416 case 0x42: /* TipSwitch */
417 case 0x43: /* TipSwitch2 */
418 device->quirks &= ~HID_QUIRK_NOTOUCH;
419 map_key_clear(BTN_TOUCH);
420 break;
421
422 case 0x44: /* BarrelSwitch */
423 map_key_clear(BTN_STYLUS);
424 break;
425
426 default: goto unknown;
427 }
428 break;
429
430 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
431
432 switch (usage->hid & HID_USAGE) {
433 case 0x000: goto ignore;
434 case 0x034: map_key_clear(KEY_SLEEP); break;
435 case 0x036: map_key_clear(BTN_MISC); break;
436 case 0x040: map_key_clear(KEY_MENU); break;
437 case 0x045: map_key_clear(KEY_RADIO); break;
438
439 case 0x083: map_key_clear(KEY_LAST); break;
440 case 0x088: map_key_clear(KEY_PC); break;
441 case 0x089: map_key_clear(KEY_TV); break;
442 case 0x08a: map_key_clear(KEY_WWW); break;
443 case 0x08b: map_key_clear(KEY_DVD); break;
444 case 0x08c: map_key_clear(KEY_PHONE); break;
445 case 0x08d: map_key_clear(KEY_PROGRAM); break;
446 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break;
447 case 0x08f: map_key_clear(KEY_GAMES); break;
448 case 0x090: map_key_clear(KEY_MEMO); break;
449 case 0x091: map_key_clear(KEY_CD); break;
450 case 0x092: map_key_clear(KEY_VCR); break;
451 case 0x093: map_key_clear(KEY_TUNER); break;
452 case 0x094: map_key_clear(KEY_EXIT); break;
453 case 0x095: map_key_clear(KEY_HELP); break;
454 case 0x096: map_key_clear(KEY_TAPE); break;
455 case 0x097: map_key_clear(KEY_TV2); break;
456 case 0x098: map_key_clear(KEY_SAT); break;
457 case 0x09a: map_key_clear(KEY_PVR); break;
458
459 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
460 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
461 case 0x0a0: map_key_clear(KEY_VCR2); break;
462
463 case 0x0b0: map_key_clear(KEY_PLAY); break;
464 case 0x0b1: map_key_clear(KEY_PAUSE); break;
465 case 0x0b2: map_key_clear(KEY_RECORD); break;
466 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
467 case 0x0b4: map_key_clear(KEY_REWIND); break;
468 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
469 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
470 case 0x0b7: map_key_clear(KEY_STOPCD); break;
471 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
472
473 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
474 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
475 case 0x0e2: map_key_clear(KEY_MUTE); break;
476 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
477 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
478 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
479 case 0x183: map_key_clear(KEY_CONFIG); break;
480 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
481 case 0x185: map_key_clear(KEY_EDITOR); break;
482 case 0x186: map_key_clear(KEY_SPREADSHEET); break;
483 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break;
484 case 0x188: map_key_clear(KEY_PRESENTATION); break;
485 case 0x189: map_key_clear(KEY_DATABASE); break;
486 case 0x18a: map_key_clear(KEY_MAIL); break;
487 case 0x18b: map_key_clear(KEY_NEWS); break;
488 case 0x18c: map_key_clear(KEY_VOICEMAIL); break;
489 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break;
490 case 0x18e: map_key_clear(KEY_CALENDAR); break;
491 case 0x191: map_key_clear(KEY_FINANCE); break;
492 case 0x192: map_key_clear(KEY_CALC); break;
493 case 0x194: map_key_clear(KEY_FILE); break;
494 case 0x196: map_key_clear(KEY_WWW); break;
495 case 0x19e: map_key_clear(KEY_COFFEE); break;
496 case 0x1a6: map_key_clear(KEY_HELP); break;
497 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
498 case 0x1bc: map_key_clear(KEY_MESSENGER); break;
499 case 0x1bd: map_key_clear(KEY_INFO); break;
500 case 0x201: map_key_clear(KEY_NEW); break;
501 case 0x202: map_key_clear(KEY_OPEN); break;
502 case 0x203: map_key_clear(KEY_CLOSE); break;
503 case 0x204: map_key_clear(KEY_EXIT); break;
504 case 0x207: map_key_clear(KEY_SAVE); break;
505 case 0x208: map_key_clear(KEY_PRINT); break;
506 case 0x209: map_key_clear(KEY_PROPS); break;
507 case 0x21a: map_key_clear(KEY_UNDO); break;
508 case 0x21b: map_key_clear(KEY_COPY); break;
509 case 0x21c: map_key_clear(KEY_CUT); break;
510 case 0x21d: map_key_clear(KEY_PASTE); break;
511 case 0x221: map_key_clear(KEY_FIND); break;
512 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
513 case 0x224: map_key_clear(KEY_BACK); break;
514 case 0x225: map_key_clear(KEY_FORWARD); break;
515 case 0x226: map_key_clear(KEY_STOP); break;
516 case 0x227: map_key_clear(KEY_REFRESH); break;
517 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
518 case 0x22d: map_key_clear(KEY_ZOOMIN); break;
519 case 0x22e: map_key_clear(KEY_ZOOMOUT); break;
520 case 0x22f: map_key_clear(KEY_ZOOMRESET); break;
521 case 0x233: map_key_clear(KEY_SCROLLUP); break;
522 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
523 case 0x238: map_rel_clear(REL_HWHEEL); break;
524 case 0x25f: map_key_clear(KEY_CANCEL); break;
525 case 0x279: map_key_clear(KEY_REDO); break;
526
527 case 0x289: map_key_clear(KEY_REPLY); break;
528 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
529 case 0x28c: map_key_clear(KEY_SEND); break;
530
531 /* Reported on a Cherry Cymotion keyboard */
532 case 0x301: map_key_clear(KEY_PROG1); break;
533 case 0x302: map_key_clear(KEY_PROG2); break;
534 case 0x303: map_key_clear(KEY_PROG3); break;
535
536 default: goto ignore;
537 }
538 break;
539
540 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
541
542 set_bit(EV_REP, input->evbit);
543 switch (usage->hid & HID_USAGE) {
544 case 0x021: map_key_clear(KEY_PRINT); break;
545 case 0x070: map_key_clear(KEY_HP); break;
546 case 0x071: map_key_clear(KEY_CAMERA); break;
547 case 0x072: map_key_clear(KEY_SOUND); break;
548 case 0x073: map_key_clear(KEY_QUESTION); break;
549 case 0x080: map_key_clear(KEY_EMAIL); break;
550 case 0x081: map_key_clear(KEY_CHAT); break;
551 case 0x082: map_key_clear(KEY_SEARCH); break;
552 case 0x083: map_key_clear(KEY_CONNECT); break;
553 case 0x084: map_key_clear(KEY_FINANCE); break;
554 case 0x085: map_key_clear(KEY_SPORT); break;
555 case 0x086: map_key_clear(KEY_SHOP); break;
556 default: goto ignore;
557 }
558 break;
559
560 case HID_UP_MSVENDOR:
561 goto ignore;
562
563 case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
564
565 set_bit(EV_REP, input->evbit);
566 switch(usage->hid & HID_USAGE) {
567 case 0x003:
568 /* The fn key on Apple PowerBooks */
569 map_key_clear(KEY_FN);
570 hidinput_pb_setup(input);
571 break;
572
573 default: goto ignore;
574 }
575 break;
576
577 case HID_UP_LOGIVENDOR: /* Reported on Logitech Ultra X Media Remote */
578
579 set_bit(EV_REP, input->evbit);
580 switch(usage->hid & HID_USAGE) {
581 case 0x004: map_key_clear(KEY_AGAIN); break;
582 case 0x00d: map_key_clear(KEY_HOME); break;
583 case 0x024: map_key_clear(KEY_SHUFFLE); break;
584 case 0x025: map_key_clear(KEY_TV); break;
585 case 0x026: map_key_clear(KEY_MENU); break;
586 case 0x031: map_key_clear(KEY_AUDIO); break;
587 case 0x032: map_key_clear(KEY_TEXT); break;
588 case 0x033: map_key_clear(KEY_LAST); break;
589 case 0x047: map_key_clear(KEY_MP3); break;
590 case 0x048: map_key_clear(KEY_DVD); break;
591 case 0x049: map_key_clear(KEY_MEDIA); break;
592 case 0x04a: map_key_clear(KEY_VIDEO); break;
593 case 0x04b: map_key_clear(KEY_ANGLE); break;
594 case 0x04c: map_key_clear(KEY_LANGUAGE); break;
595 case 0x04d: map_key_clear(KEY_SUBTITLE); break;
596 case 0x051: map_key_clear(KEY_RED); break;
597 case 0x052: map_key_clear(KEY_CLOSE); break;
598 default: goto ignore;
599 }
600 break;
601
602 case HID_UP_PID:
603
604 switch(usage->hid & HID_USAGE) {
605 case 0xa4: map_key_clear(BTN_DEAD); break;
606 default: goto ignore;
607 }
608 break;
609
610 default:
611 unknown:
612 if (field->report_size == 1) {
613 if (field->report->type == HID_OUTPUT_REPORT) {
614 map_led(LED_MISC);
615 break;
616 }
617 map_key(BTN_MISC);
618 break;
619 }
620 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
621 map_rel(REL_MISC);
622 break;
623 }
624 map_abs(ABS_MISC);
625 break;
626 }
627
628 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
629 if (usage->hid == HID_GD_Z)
630 map_rel(REL_HWHEEL);
631 else if (usage->code == BTN_1)
632 map_key(BTN_2);
633 else if (usage->code == BTN_2)
634 map_key(BTN_1);
635 }
636
637 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
638 (usage->type == EV_REL) && (usage->code == REL_WHEEL))
639 set_bit(REL_HWHEEL, bit);
640
641 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
642 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
643 goto ignore;
644
645 if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
646 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
647 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
648
649 set_bit(usage->type, input->evbit);
650
651 while (usage->code <= max && test_and_set_bit(usage->code, bit))
652 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
653
654 if (usage->code > max)
655 goto ignore;
656
657
658 if (usage->type == EV_ABS) {
659
660 int a = field->logical_minimum;
661 int b = field->logical_maximum;
662
663 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
664 a = field->logical_minimum = 0;
665 b = field->logical_maximum = 255;
666 }
667
668 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
669 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
670 else input_set_abs_params(input, usage->code, a, b, 0, 0);
671
672 }
673
674 if (usage->type == EV_ABS &&
675 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
676 int i;
677 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
678 input_set_abs_params(input, i, -1, 1, 0, 0);
679 set_bit(i, input->absbit);
680 }
681 if (usage->hat_dir && !field->dpad)
682 field->dpad = usage->code;
683 }
684
685#ifdef DEBUG
686 resolv_event(usage->type, usage->code);
687 printk("\n");
688#endif
689 return;
690
691ignore:
692#ifdef DEBUG
693 printk("IGNORED\n");
694#endif
695 return;
696}
697
698void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
699{
700 struct input_dev *input;
701 int *quirks = &hid->quirks;
702
703 if (!field->hidinput)
704 return;
705
706 input = field->hidinput->input;
707
708 if (!usage->type)
709 return;
710
711 if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
712 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
713 if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
714 else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
715 return;
716 }
717
718 if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
719 input_event(input, usage->type, usage->code, -value);
720 return;
721 }
722
723 if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
724 input_event(input, usage->type, REL_HWHEEL, value);
725 return;
726 }
727
728 if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value))
729 return;
730
731 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
732 int hat_dir = usage->hat_dir;
733 if (!hat_dir)
734 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
735 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
736 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
737 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
738 return;
739 }
740
741 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
742 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
743 return;
744 }
745
746 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
747 if (value) {
748 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
749 return;
750 }
751 input_event(input, usage->type, usage->code, 0);
752 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
753 return;
754 }
755
756 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
757 int a = field->logical_minimum;
758 int b = field->logical_maximum;
759 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
760 }
761
762 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
763 dbg("Maximum Effects - %d",value);
764 return;
765 }
766
767 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
768 dbg("PID Pool Report\n");
769 return;
770 }
771
772 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
773 return;
774
775 input_event(input, usage->type, usage->code, value);
776
777 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
778 input_event(input, usage->type, usage->code, 0);
779}
780
781void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
782{
783 struct hid_input *hidinput;
784
785 list_for_each_entry(hidinput, &hid->inputs, list)
786 input_sync(hidinput->input);
787}
788EXPORT_SYMBOL_GPL(hidinput_report_event);
789
790int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
791{
792 struct hid_report *report;
793 int i, j;
794
795 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
796 for (i = 0; i < report->maxfield; i++) {
797 *field = report->field[i];
798 for (j = 0; j < (*field)->maxusage; j++)
799 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
800 return j;
801 }
802 }
803 return -1;
804}
805EXPORT_SYMBOL_GPL(hidinput_find_field);
806
807/*
808 * Register the input device; print a message.
809 * Configure the input layer interface
810 * Read all reports and initialize the absolute field values.
811 */
812
813int hidinput_connect(struct hid_device *hid)
814{
815 struct hid_report *report;
816 struct hid_input *hidinput = NULL;
817 struct input_dev *input_dev;
818 int i, j, k;
819
820 INIT_LIST_HEAD(&hid->inputs);
821
822 for (i = 0; i < hid->maxcollection; i++)
823 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
824 hid->collection[i].type == HID_COLLECTION_PHYSICAL)
825 if (IS_INPUT_APPLICATION(hid->collection[i].usage))
826 break;
827
828 if (i == hid->maxcollection)
829 return -1;
830
831 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++)
832 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
833
834 if (!report->maxfield)
835 continue;
836
837 if (!hidinput) {
838 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
839 input_dev = input_allocate_device();
840 if (!hidinput || !input_dev) {
841 kfree(hidinput);
842 input_free_device(input_dev);
843 err("Out of memory during hid input probe");
844 return -1;
845 }
846
847 input_dev->private = hid;
848 input_dev->event = hid->hidinput_input_event;
849 input_dev->open = hid->hidinput_open;
850 input_dev->close = hid->hidinput_close;
851
852 input_dev->name = hid->name;
853 input_dev->phys = hid->phys;
854 input_dev->uniq = hid->uniq;
855 input_dev->id.bustype = hid->bus;
856 input_dev->id.vendor = hid->vendor;
857 input_dev->id.product = hid->product;
858 input_dev->id.version = hid->version;
859 input_dev->cdev.dev = hid->dev;
860 hidinput->input = input_dev;
861 list_add_tail(&hidinput->list, &hid->inputs);
862 }
863
864 for (i = 0; i < report->maxfield; i++)
865 for (j = 0; j < report->field[i]->maxusage; j++)
866 hidinput_configure_usage(hidinput, report->field[i],
867 report->field[i]->usage + j);
868
869 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
870 /* This will leave hidinput NULL, so that it
871 * allocates another one if we have more inputs on
872 * the same interface. Some devices (e.g. Happ's
873 * UGCI) cram a lot of unrelated inputs into the
874 * same interface. */
875 hidinput->report = report;
876 input_register_device(hidinput->input);
877 hidinput = NULL;
878 }
879 }
880
881 if (hidinput)
882 input_register_device(hidinput->input);
883
884 return 0;
885}
886EXPORT_SYMBOL_GPL(hidinput_connect);
887
888void hidinput_disconnect(struct hid_device *hid)
889{
890 struct hid_input *hidinput, *next;
891
892 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
893 list_del(&hidinput->list);
894 input_unregister_device(hidinput->input);
895 kfree(hidinput);
896 }
897}
898EXPORT_SYMBOL_GPL(hidinput_disconnect);
899