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[TCP] slow start: Make comments and code logic clearer.
[linux-2.6/verdex.git] / drivers / hid / hid-input.c
blob7f817897b178063059be2cfde16e19caa8b6d3df
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) 2006-2007 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 #include <linux/hid.h>
35 #include <linux/hid-debug.h>
36
37 static int hid_pb_fnmode = 1;
38 module_param_named(pb_fnmode, hid_pb_fnmode, int, 0644);
39 MODULE_PARM_DESC(pb_fnmode,
40 "Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
41
42 #define unk KEY_UNKNOWN
43
44 static const unsigned char hid_keyboard[256] = {
45 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
46 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3,
47 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
48 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
49 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
50 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
51 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
52 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
53 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
54 122,123, 90, 91, 85,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 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 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
60 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
61 };
62
63 static const struct {
64 __s32 x;
65 __s32 y;
66 } hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
67
68 #define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
69 #define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
70 #define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
71 #define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
72
73 #define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0)
74 #define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0)
75
76 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK
77
78 struct hidinput_key_translation {
79 u16 from;
80 u16 to;
81 u8 flags;
82 };
83
84 #define POWERBOOK_FLAG_FKEY 0x01
85
86 static struct hidinput_key_translation powerbook_fn_keys[] = {
87 { KEY_BACKSPACE, KEY_DELETE },
88 { KEY_F1, KEY_BRIGHTNESSDOWN, POWERBOOK_FLAG_FKEY },
89 { KEY_F2, KEY_BRIGHTNESSUP, POWERBOOK_FLAG_FKEY },
90 { KEY_F3, KEY_MUTE, POWERBOOK_FLAG_FKEY },
91 { KEY_F4, KEY_VOLUMEDOWN, POWERBOOK_FLAG_FKEY },
92 { KEY_F5, KEY_VOLUMEUP, POWERBOOK_FLAG_FKEY },
93 { KEY_F6, KEY_NUMLOCK, POWERBOOK_FLAG_FKEY },
94 { KEY_F7, KEY_SWITCHVIDEOMODE, POWERBOOK_FLAG_FKEY },
95 { KEY_F8, KEY_KBDILLUMTOGGLE, POWERBOOK_FLAG_FKEY },
96 { KEY_F9, KEY_KBDILLUMDOWN, POWERBOOK_FLAG_FKEY },
97 { KEY_F10, KEY_KBDILLUMUP, POWERBOOK_FLAG_FKEY },
98 { KEY_UP, KEY_PAGEUP },
99 { KEY_DOWN, KEY_PAGEDOWN },
100 { KEY_LEFT, KEY_HOME },
101 { KEY_RIGHT, KEY_END },
102 { }
103 };
104
105 static struct hidinput_key_translation powerbook_numlock_keys[] = {
106 { KEY_J, KEY_KP1 },
107 { KEY_K, KEY_KP2 },
108 { KEY_L, KEY_KP3 },
109 { KEY_U, KEY_KP4 },
110 { KEY_I, KEY_KP5 },
111 { KEY_O, KEY_KP6 },
112 { KEY_7, KEY_KP7 },
113 { KEY_8, KEY_KP8 },
114 { KEY_9, KEY_KP9 },
115 { KEY_M, KEY_KP0 },
116 { KEY_DOT, KEY_KPDOT },
117 { KEY_SLASH, KEY_KPPLUS },
118 { KEY_SEMICOLON, KEY_KPMINUS },
119 { KEY_P, KEY_KPASTERISK },
120 { KEY_MINUS, KEY_KPEQUAL },
121 { KEY_0, KEY_KPSLASH },
122 { KEY_F6, KEY_NUMLOCK },
123 { KEY_KPENTER, KEY_KPENTER },
124 { KEY_BACKSPACE, KEY_BACKSPACE },
125 { }
126 };
127
128 static struct hidinput_key_translation powerbook_iso_keyboard[] = {
129 { KEY_GRAVE, KEY_102ND },
130 { KEY_102ND, KEY_GRAVE },
131 { }
132 };
133
134 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
135 {
136 struct hidinput_key_translation *trans;
137
138 /* Look for the translation */
139 for (trans = table; trans->from; trans++)
140 if (trans->from == from)
141 return trans;
142
143 return NULL;
144 }
145
146 static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
147 struct hid_usage *usage, __s32 value)
148 {
149 struct hidinput_key_translation *trans;
150
151 if (usage->code == KEY_FN) {
152 if (value) hid->quirks |= HID_QUIRK_POWERBOOK_FN_ON;
153 else hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON;
154
155 input_event(input, usage->type, usage->code, value);
156
157 return 1;
158 }
159
160 if (hid_pb_fnmode) {
161 int do_translate;
162
163 trans = find_translation(powerbook_fn_keys, usage->code);
164 if (trans) {
165 if (test_bit(usage->code, hid->pb_pressed_fn))
166 do_translate = 1;
167 else if (trans->flags & POWERBOOK_FLAG_FKEY)
168 do_translate =
169 (hid_pb_fnmode == 2 && (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) ||
170 (hid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON));
171 else
172 do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON);
173
174 if (do_translate) {
175 if (value)
176 set_bit(usage->code, hid->pb_pressed_fn);
177 else
178 clear_bit(usage->code, hid->pb_pressed_fn);
179
180 input_event(input, usage->type, trans->to, value);
181
182 return 1;
183 }
184 }
185
186 if (test_bit(usage->code, hid->pb_pressed_numlock) ||
187 test_bit(LED_NUML, input->led)) {
188 trans = find_translation(powerbook_numlock_keys, usage->code);
189
190 if (trans) {
191 if (value)
192 set_bit(usage->code, hid->pb_pressed_numlock);
193 else
194 clear_bit(usage->code, hid->pb_pressed_numlock);
195
196 input_event(input, usage->type, trans->to, value);
197 }
198
199 return 1;
200 }
201 }
202
203 if (hid->quirks & HID_QUIRK_POWERBOOK_ISO_KEYBOARD) {
204 trans = find_translation(powerbook_iso_keyboard, usage->code);
205 if (trans) {
206 input_event(input, usage->type, trans->to, value);
207 return 1;
208 }
209 }
210
211 return 0;
212 }
213
214 static void hidinput_pb_setup(struct input_dev *input)
215 {
216 struct hidinput_key_translation *trans;
217
218 set_bit(KEY_NUMLOCK, input->keybit);
219
220 /* Enable all needed keys */
221 for (trans = powerbook_fn_keys; trans->from; trans++)
222 set_bit(trans->to, input->keybit);
223
224 for (trans = powerbook_numlock_keys; trans->from; trans++)
225 set_bit(trans->to, input->keybit);
226
227 for (trans = powerbook_iso_keyboard; trans->from; trans++)
228 set_bit(trans->to, input->keybit);
229
230 }
231 #else
232 static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
233 struct hid_usage *usage, __s32 value)
234 {
235 return 0;
236 }
237
238 static inline void hidinput_pb_setup(struct input_dev *input)
239 {
240 }
241 #endif
242
243 static inline int match_scancode(int code, int scancode)
244 {
245 if (scancode == 0)
246 return 1;
247 return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode);
248 }
249
250 static inline int match_keycode(int code, int keycode)
251 {
252 if (keycode == 0)
253 return 1;
254 return (code == keycode);
255 }
256
257 static struct hid_usage *hidinput_find_key(struct hid_device *hid,
258 int scancode, int keycode)
259 {
260 int i, j, k;
261 struct hid_report *report;
262 struct hid_usage *usage;
263
264 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
265 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
266 for (i = 0; i < report->maxfield; i++) {
267 for ( j = 0; j < report->field[i]->maxusage; j++) {
268 usage = report->field[i]->usage + j;
269 if (usage->type == EV_KEY &&
270 match_scancode(usage->hid, scancode) &&
271 match_keycode(usage->code, keycode))
272 return usage;
273 }
274 }
275 }
276 }
277 return NULL;
278 }
279
280 static int hidinput_getkeycode(struct input_dev *dev, int scancode,
281 int *keycode)
282 {
283 struct hid_device *hid = dev->private;
284 struct hid_usage *usage;
285
286 usage = hidinput_find_key(hid, scancode, 0);
287 if (usage) {
288 *keycode = usage->code;
289 return 0;
290 }
291 return -EINVAL;
292 }
293
294 static int hidinput_setkeycode(struct input_dev *dev, int scancode,
295 int keycode)
296 {
297 struct hid_device *hid = dev->private;
298 struct hid_usage *usage;
299 int old_keycode;
300
301 if (keycode < 0 || keycode > KEY_MAX)
302 return -EINVAL;
303
304 usage = hidinput_find_key(hid, scancode, 0);
305 if (usage) {
306 old_keycode = usage->code;
307 usage->code = keycode;
308
309 clear_bit(old_keycode, dev->keybit);
310 set_bit(usage->code, dev->keybit);
311 #ifdef CONFIG_HID_DEBUG
312 printk (KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode);
313 #endif
314 /* Set the keybit for the old keycode if the old keycode is used
315 * by another key */
316 if (hidinput_find_key (hid, 0, old_keycode))
317 set_bit(old_keycode, dev->keybit);
318
319 return 0;
320 }
321
322 return -EINVAL;
323 }
324
325
326 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
327 struct hid_usage *usage)
328 {
329 struct input_dev *input = hidinput->input;
330 struct hid_device *device = input_get_drvdata(input);
331 int max = 0, code;
332 unsigned long *bit = NULL;
333
334 field->hidinput = hidinput;
335
336 #ifdef CONFIG_HID_DEBUG
337 printk(KERN_DEBUG "Mapping: ");
338 hid_resolv_usage(usage->hid);
339 printk(" ---> ");
340 #endif
341
342 if (field->flags & HID_MAIN_ITEM_CONSTANT)
343 goto ignore;
344
345 switch (usage->hid & HID_USAGE_PAGE) {
346
347 case HID_UP_UNDEFINED:
348 goto ignore;
349
350 case HID_UP_KEYBOARD:
351
352 set_bit(EV_REP, input->evbit);
353
354 if ((usage->hid & HID_USAGE) < 256) {
355 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
356 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
357 } else
358 map_key(KEY_UNKNOWN);
359
360 break;
361
362 case HID_UP_BUTTON:
363
364 code = ((usage->hid - 1) & 0xf);
365
366 switch (field->application) {
367 case HID_GD_MOUSE:
368 case HID_GD_POINTER: code += 0x110; break;
369 case HID_GD_JOYSTICK: code += 0x120; break;
370 case HID_GD_GAMEPAD: code += 0x130; break;
371 default:
372 switch (field->physical) {
373 case HID_GD_MOUSE:
374 case HID_GD_POINTER: code += 0x110; break;
375 case HID_GD_JOYSTICK: code += 0x120; break;
376 case HID_GD_GAMEPAD: code += 0x130; break;
377 default: code += 0x100;
378 }
379 }
380
381 map_key(code);
382 break;
383
384
385 case HID_UP_SIMULATION:
386
387 switch (usage->hid & 0xffff) {
388 case 0xba: map_abs(ABS_RUDDER); break;
389 case 0xbb: map_abs(ABS_THROTTLE); break;
390 case 0xc4: map_abs(ABS_GAS); break;
391 case 0xc5: map_abs(ABS_BRAKE); break;
392 case 0xc8: map_abs(ABS_WHEEL); break;
393 default: goto ignore;
394 }
395 break;
396
397 case HID_UP_GENDESK:
398
399 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
400 switch (usage->hid & 0xf) {
401 case 0x1: map_key_clear(KEY_POWER); break;
402 case 0x2: map_key_clear(KEY_SLEEP); break;
403 case 0x3: map_key_clear(KEY_WAKEUP); break;
404 default: goto unknown;
405 }
406 break;
407 }
408
409 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
410 switch (usage->hid) {
411 case HID_GD_UP: usage->hat_dir = 1; break;
412 case HID_GD_DOWN: usage->hat_dir = 5; break;
413 case HID_GD_RIGHT: usage->hat_dir = 3; break;
414 case HID_GD_LEFT: usage->hat_dir = 7; break;
415 default: goto unknown;
416 }
417 if (field->dpad) {
418 map_abs(field->dpad);
419 goto ignore;
420 }
421 map_abs(ABS_HAT0X);
422 break;
423 }
424
425 switch (usage->hid) {
426
427 /* These usage IDs map directly to the usage codes. */
428 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
429 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
430 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
431 if (field->flags & HID_MAIN_ITEM_RELATIVE)
432 map_rel(usage->hid & 0xf);
433 else
434 map_abs(usage->hid & 0xf);
435 break;
436
437 case HID_GD_HATSWITCH:
438 usage->hat_min = field->logical_minimum;
439 usage->hat_max = field->logical_maximum;
440 map_abs(ABS_HAT0X);
441 break;
442
443 case HID_GD_START: map_key_clear(BTN_START); break;
444 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
445
446 default: goto unknown;
447 }
448
449 break;
450
451 case HID_UP_LED:
452
453 switch (usage->hid & 0xffff) { /* HID-Value: */
454 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */
455 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */
456 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */
457 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */
458 case 0x05: map_led (LED_KANA); break; /* "Kana" */
459 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */
460 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */
461 case 0x09: map_led (LED_MUTE); break; /* "Mute" */
462 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */
463 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */
464 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */
465
466 default: goto ignore;
467 }
468 break;
469
470 case HID_UP_DIGITIZER:
471
472 switch (usage->hid & 0xff) {
473
474 case 0x30: /* TipPressure */
475 if (!test_bit(BTN_TOUCH, input->keybit)) {
476 device->quirks |= HID_QUIRK_NOTOUCH;
477 set_bit(EV_KEY, input->evbit);
478 set_bit(BTN_TOUCH, input->keybit);
479 }
480
481 map_abs_clear(ABS_PRESSURE);
482 break;
483
484 case 0x32: /* InRange */
485 switch (field->physical & 0xff) {
486 case 0x21: map_key(BTN_TOOL_MOUSE); break;
487 case 0x22: map_key(BTN_TOOL_FINGER); break;
488 default: map_key(BTN_TOOL_PEN); break;
489 }
490 break;
491
492 case 0x3c: /* Invert */
493 map_key_clear(BTN_TOOL_RUBBER);
494 break;
495
496 case 0x33: /* Touch */
497 case 0x42: /* TipSwitch */
498 case 0x43: /* TipSwitch2 */
499 device->quirks &= ~HID_QUIRK_NOTOUCH;
500 map_key_clear(BTN_TOUCH);
501 break;
502
503 case 0x44: /* BarrelSwitch */
504 map_key_clear(BTN_STYLUS);
505 break;
506
507 default: goto unknown;
508 }
509 break;
510
511 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
512
513 switch (usage->hid & HID_USAGE) {
514 case 0x000: goto ignore;
515 case 0x034: map_key_clear(KEY_SLEEP); break;
516 case 0x036: map_key_clear(BTN_MISC); break;
517 /*
518 * The next three are reported by Belkin wireless
519 * keyboard (1020:0006). These values are "reserved"
520 * in HUT 1.12.
521 */
522 case 0x03a: map_key_clear(KEY_SOUND); break;
523 case 0x03b: map_key_clear(KEY_CAMERA); break;
524 case 0x03c: map_key_clear(KEY_DOCUMENTS); break;
525
526 case 0x040: map_key_clear(KEY_MENU); break;
527 case 0x045: map_key_clear(KEY_RADIO); break;
528
529 case 0x083: map_key_clear(KEY_LAST); break;
530 case 0x088: map_key_clear(KEY_PC); break;
531 case 0x089: map_key_clear(KEY_TV); break;
532 case 0x08a: map_key_clear(KEY_WWW); break;
533 case 0x08b: map_key_clear(KEY_DVD); break;
534 case 0x08c: map_key_clear(KEY_PHONE); break;
535 case 0x08d: map_key_clear(KEY_PROGRAM); break;
536 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break;
537 case 0x08f: map_key_clear(KEY_GAMES); break;
538 case 0x090: map_key_clear(KEY_MEMO); break;
539 case 0x091: map_key_clear(KEY_CD); break;
540 case 0x092: map_key_clear(KEY_VCR); break;
541 case 0x093: map_key_clear(KEY_TUNER); break;
542 case 0x094: map_key_clear(KEY_EXIT); break;
543 case 0x095: map_key_clear(KEY_HELP); break;
544 case 0x096: map_key_clear(KEY_TAPE); break;
545 case 0x097: map_key_clear(KEY_TV2); break;
546 case 0x098: map_key_clear(KEY_SAT); break;
547 case 0x09a: map_key_clear(KEY_PVR); break;
548
549 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
550 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
551 case 0x0a0: map_key_clear(KEY_VCR2); break;
552
553 case 0x0b0: map_key_clear(KEY_PLAY); break;
554 case 0x0b1: map_key_clear(KEY_PAUSE); break;
555 case 0x0b2: map_key_clear(KEY_RECORD); break;
556 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
557 case 0x0b4: map_key_clear(KEY_REWIND); break;
558 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
559 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
560 case 0x0b7: map_key_clear(KEY_STOPCD); break;
561 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
562
563 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
564 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
565 case 0x0e2: map_key_clear(KEY_MUTE); break;
566 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
567 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
568 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
569 case 0x183: map_key_clear(KEY_CONFIG); break;
570 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
571 case 0x185: map_key_clear(KEY_EDITOR); break;
572 case 0x186: map_key_clear(KEY_SPREADSHEET); break;
573 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break;
574 case 0x188: map_key_clear(KEY_PRESENTATION); break;
575 case 0x189: map_key_clear(KEY_DATABASE); break;
576 case 0x18a: map_key_clear(KEY_MAIL); break;
577 case 0x18b: map_key_clear(KEY_NEWS); break;
578 case 0x18c: map_key_clear(KEY_VOICEMAIL); break;
579 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break;
580 case 0x18e: map_key_clear(KEY_CALENDAR); break;
581 case 0x191: map_key_clear(KEY_FINANCE); break;
582 case 0x192: map_key_clear(KEY_CALC); break;
583 case 0x194: map_key_clear(KEY_FILE); break;
584 case 0x196: map_key_clear(KEY_WWW); break;
585 case 0x19e: map_key_clear(KEY_COFFEE); break;
586 case 0x1a6: map_key_clear(KEY_HELP); break;
587 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
588 case 0x1bc: map_key_clear(KEY_MESSENGER); break;
589 case 0x1bd: map_key_clear(KEY_INFO); break;
590 case 0x201: map_key_clear(KEY_NEW); break;
591 case 0x202: map_key_clear(KEY_OPEN); break;
592 case 0x203: map_key_clear(KEY_CLOSE); break;
593 case 0x204: map_key_clear(KEY_EXIT); break;
594 case 0x207: map_key_clear(KEY_SAVE); break;
595 case 0x208: map_key_clear(KEY_PRINT); break;
596 case 0x209: map_key_clear(KEY_PROPS); break;
597 case 0x21a: map_key_clear(KEY_UNDO); break;
598 case 0x21b: map_key_clear(KEY_COPY); break;
599 case 0x21c: map_key_clear(KEY_CUT); break;
600 case 0x21d: map_key_clear(KEY_PASTE); break;
601 case 0x221: map_key_clear(KEY_FIND); break;
602 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
603 case 0x224: map_key_clear(KEY_BACK); break;
604 case 0x225: map_key_clear(KEY_FORWARD); break;
605 case 0x226: map_key_clear(KEY_STOP); break;
606 case 0x227: map_key_clear(KEY_REFRESH); break;
607 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
608 case 0x22d: map_key_clear(KEY_ZOOMIN); break;
609 case 0x22e: map_key_clear(KEY_ZOOMOUT); break;
610 case 0x22f: map_key_clear(KEY_ZOOMRESET); break;
611 case 0x233: map_key_clear(KEY_SCROLLUP); break;
612 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
613 case 0x238: map_rel(REL_HWHEEL); break;
614 case 0x25f: map_key_clear(KEY_CANCEL); break;
615 case 0x279: map_key_clear(KEY_REDO); break;
616
617 case 0x289: map_key_clear(KEY_REPLY); break;
618 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
619 case 0x28c: map_key_clear(KEY_SEND); break;
620
621 /* Reported on a Cherry Cymotion keyboard */
622 case 0x301: map_key_clear(KEY_PROG1); break;
623 case 0x302: map_key_clear(KEY_PROG2); break;
624 case 0x303: map_key_clear(KEY_PROG3); break;
625
626 /* Reported on certain Logitech wireless keyboards */
627 case 0x1001: map_key_clear(KEY_MESSENGER); break;
628 case 0x1003: map_key_clear(KEY_SOUND); break;
629 case 0x1004: map_key_clear(KEY_VIDEO); break;
630 case 0x1005: map_key_clear(KEY_AUDIO); break;
631 case 0x100a: map_key_clear(KEY_DOCUMENTS); break;
632 case 0x1011: map_key_clear(KEY_PREVIOUSSONG); break;
633 case 0x1012: map_key_clear(KEY_NEXTSONG); break;
634 case 0x1013: map_key_clear(KEY_CAMERA); break;
635 case 0x1014: map_key_clear(KEY_MESSENGER); break;
636 case 0x1015: map_key_clear(KEY_RECORD); break;
637 case 0x1016: map_key_clear(KEY_PLAYER); break;
638 case 0x1017: map_key_clear(KEY_EJECTCD); break;
639 case 0x1018: map_key_clear(KEY_MEDIA); break;
640 case 0x1019: map_key_clear(KEY_PROG1); break;
641 case 0x101a: map_key_clear(KEY_PROG2); break;
642 case 0x101b: map_key_clear(KEY_PROG3); break;
643 case 0x101f: map_key_clear(KEY_ZOOMIN); break;
644 case 0x1020: map_key_clear(KEY_ZOOMOUT); break;
645 case 0x1021: map_key_clear(KEY_ZOOMRESET); break;
646 case 0x1023: map_key_clear(KEY_CLOSE); break;
647 case 0x1027: map_key_clear(KEY_MENU); break;
648 /* this one is marked as 'Rotate' */
649 case 0x1028: map_key_clear(KEY_ANGLE); break;
650 case 0x1029: map_key_clear(KEY_SHUFFLE); break;
651 case 0x102a: map_key_clear(KEY_BACK); break;
652 case 0x102b: map_key_clear(KEY_CYCLEWINDOWS); break;
653 case 0x1041: map_key_clear(KEY_BATTERY); break;
654 case 0x1042: map_key_clear(KEY_WORDPROCESSOR); break;
655 case 0x1043: map_key_clear(KEY_SPREADSHEET); break;
656 case 0x1044: map_key_clear(KEY_PRESENTATION); break;
657 case 0x1045: map_key_clear(KEY_UNDO); break;
658 case 0x1046: map_key_clear(KEY_REDO); break;
659 case 0x1047: map_key_clear(KEY_PRINT); break;
660 case 0x1048: map_key_clear(KEY_SAVE); break;
661 case 0x1049: map_key_clear(KEY_PROG1); break;
662 case 0x104a: map_key_clear(KEY_PROG2); break;
663 case 0x104b: map_key_clear(KEY_PROG3); break;
664 case 0x104c: map_key_clear(KEY_PROG4); break;
665
666 default: goto ignore;
667 }
668 break;
669
670 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
671
672 set_bit(EV_REP, input->evbit);
673 switch (usage->hid & HID_USAGE) {
674 case 0x021: map_key_clear(KEY_PRINT); break;
675 case 0x070: map_key_clear(KEY_HP); break;
676 case 0x071: map_key_clear(KEY_CAMERA); break;
677 case 0x072: map_key_clear(KEY_SOUND); break;
678 case 0x073: map_key_clear(KEY_QUESTION); break;
679 case 0x080: map_key_clear(KEY_EMAIL); break;
680 case 0x081: map_key_clear(KEY_CHAT); break;
681 case 0x082: map_key_clear(KEY_SEARCH); break;
682 case 0x083: map_key_clear(KEY_CONNECT); break;
683 case 0x084: map_key_clear(KEY_FINANCE); break;
684 case 0x085: map_key_clear(KEY_SPORT); break;
685 case 0x086: map_key_clear(KEY_SHOP); break;
686 default: goto ignore;
687 }
688 break;
689
690 case HID_UP_MSVENDOR:
691 goto ignore;
692
693 case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
694
695 set_bit(EV_REP, input->evbit);
696 switch(usage->hid & HID_USAGE) {
697 case 0x003:
698 /* The fn key on Apple PowerBooks */
699 map_key_clear(KEY_FN);
700 hidinput_pb_setup(input);
701 break;
702
703 default: goto ignore;
704 }
705 break;
706
707 case HID_UP_LOGIVENDOR: /* Reported on Logitech Ultra X Media Remote */
708
709 set_bit(EV_REP, input->evbit);
710 switch(usage->hid & HID_USAGE) {
711 case 0x004: map_key_clear(KEY_AGAIN); break;
712 case 0x00d: map_key_clear(KEY_HOME); break;
713 case 0x024: map_key_clear(KEY_SHUFFLE); break;
714 case 0x025: map_key_clear(KEY_TV); break;
715 case 0x026: map_key_clear(KEY_MENU); break;
716 case 0x031: map_key_clear(KEY_AUDIO); break;
717 case 0x032: map_key_clear(KEY_TEXT); break;
718 case 0x033: map_key_clear(KEY_LAST); break;
719 case 0x047: map_key_clear(KEY_MP3); break;
720 case 0x048: map_key_clear(KEY_DVD); break;
721 case 0x049: map_key_clear(KEY_MEDIA); break;
722 case 0x04a: map_key_clear(KEY_VIDEO); break;
723 case 0x04b: map_key_clear(KEY_ANGLE); break;
724 case 0x04c: map_key_clear(KEY_LANGUAGE); break;
725 case 0x04d: map_key_clear(KEY_SUBTITLE); break;
726 case 0x051: map_key_clear(KEY_RED); break;
727 case 0x052: map_key_clear(KEY_CLOSE); break;
728 default: goto ignore;
729 }
730 break;
731
732 case HID_UP_PID:
733
734 switch(usage->hid & HID_USAGE) {
735 case 0xa4: map_key_clear(BTN_DEAD); break;
736 default: goto ignore;
737 }
738 break;
739
740 default:
741 unknown:
742 if (field->report_size == 1) {
743 if (field->report->type == HID_OUTPUT_REPORT) {
744 map_led(LED_MISC);
745 break;
746 }
747 map_key(BTN_MISC);
748 break;
749 }
750 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
751 map_rel(REL_MISC);
752 break;
753 }
754 map_abs(ABS_MISC);
755 break;
756 }
757
758 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
759 if (usage->hid == HID_GD_Z)
760 map_rel(REL_HWHEEL);
761 else if (usage->code == BTN_1)
762 map_key(BTN_2);
763 else if (usage->code == BTN_2)
764 map_key(BTN_1);
765 }
766
767 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
768 (usage->type == EV_REL) && (usage->code == REL_WHEEL))
769 set_bit(REL_HWHEEL, bit);
770
771 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
772 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
773 goto ignore;
774
775 if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
776 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
777 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
778
779 set_bit(usage->type, input->evbit);
780
781 if (device->quirks & HID_QUIRK_DUPLICATE_USAGES &&
782 (usage->type == EV_KEY ||
783 usage->type == EV_REL ||
784 usage->type == EV_ABS))
785 clear_bit(usage->code, bit);
786
787 while (usage->code <= max && test_and_set_bit(usage->code, bit))
788 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
789
790 if (usage->code > max)
791 goto ignore;
792
793
794 if (usage->type == EV_ABS) {
795
796 int a = field->logical_minimum;
797 int b = field->logical_maximum;
798
799 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
800 a = field->logical_minimum = 0;
801 b = field->logical_maximum = 255;
802 }
803
804 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
805 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
806 else input_set_abs_params(input, usage->code, a, b, 0, 0);
807
808 }
809
810 if (usage->type == EV_ABS &&
811 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
812 int i;
813 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
814 input_set_abs_params(input, i, -1, 1, 0, 0);
815 set_bit(i, input->absbit);
816 }
817 if (usage->hat_dir && !field->dpad)
818 field->dpad = usage->code;
819 }
820
821 hid_resolv_event(usage->type, usage->code);
822 #ifdef CONFIG_HID_DEBUG
823 printk("\n");
824 #endif
825 return;
826
827 ignore:
828 #ifdef CONFIG_HID_DEBUG
829 printk("IGNORED\n");
830 #endif
831 return;
832 }
833
834 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
835 {
836 struct input_dev *input;
837 int *quirks = &hid->quirks;
838
839 if (!field->hidinput)
840 return;
841
842 input = field->hidinput->input;
843
844 if (!usage->type)
845 return;
846
847 if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
848 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
849 if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
850 else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
851 return;
852 }
853
854 if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
855 input_event(input, usage->type, usage->code, -value);
856 return;
857 }
858
859 if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
860 input_event(input, usage->type, REL_HWHEEL, value);
861 return;
862 }
863
864 if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value))
865 return;
866
867 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
868 int hat_dir = usage->hat_dir;
869 if (!hat_dir)
870 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
871 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
872 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
873 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
874 return;
875 }
876
877 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
878 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
879 return;
880 }
881
882 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
883 if (value) {
884 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
885 return;
886 }
887 input_event(input, usage->type, usage->code, 0);
888 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
889 return;
890 }
891
892 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
893 int a = field->logical_minimum;
894 int b = field->logical_maximum;
895 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
896 }
897
898 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
899 dbg("Maximum Effects - %d",value);
900 return;
901 }
902
903 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
904 dbg("PID Pool Report\n");
905 return;
906 }
907
908 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
909 return;
910
911 input_event(input, usage->type, usage->code, value);
912
913 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
914 input_event(input, usage->type, usage->code, 0);
915 }
916
917 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
918 {
919 struct hid_input *hidinput;
920
921 list_for_each_entry(hidinput, &hid->inputs, list)
922 input_sync(hidinput->input);
923 }
924 EXPORT_SYMBOL_GPL(hidinput_report_event);
925
926 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
927 {
928 struct hid_report *report;
929 int i, j;
930
931 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
932 for (i = 0; i < report->maxfield; i++) {
933 *field = report->field[i];
934 for (j = 0; j < (*field)->maxusage; j++)
935 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
936 return j;
937 }
938 }
939 return -1;
940 }
941 EXPORT_SYMBOL_GPL(hidinput_find_field);
942
943 static int hidinput_open(struct input_dev *dev)
944 {
945 struct hid_device *hid = input_get_drvdata(dev);
946
947 return hid->hid_open(hid);
948 }
949
950 static void hidinput_close(struct input_dev *dev)
951 {
952 struct hid_device *hid = input_get_drvdata(dev);
953
954 hid->hid_close(hid);
955 }
956
957 /*
958 * Register the input device; print a message.
959 * Configure the input layer interface
960 * Read all reports and initialize the absolute field values.
961 */
962
963 int hidinput_connect(struct hid_device *hid)
964 {
965 struct hid_report *report;
966 struct hid_input *hidinput = NULL;
967 struct input_dev *input_dev;
968 int i, j, k;
969 int max_report_type = HID_OUTPUT_REPORT;
970
971 INIT_LIST_HEAD(&hid->inputs);
972
973 for (i = 0; i < hid->maxcollection; i++)
974 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
975 hid->collection[i].type == HID_COLLECTION_PHYSICAL)
976 if (IS_INPUT_APPLICATION(hid->collection[i].usage))
977 break;
978
979 if (i == hid->maxcollection)
980 return -1;
981
982 if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
983 max_report_type = HID_INPUT_REPORT;
984
985 for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
986 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
987
988 if (!report->maxfield)
989 continue;
990
991 if (!hidinput) {
992 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
993 input_dev = input_allocate_device();
994 if (!hidinput || !input_dev) {
995 kfree(hidinput);
996 input_free_device(input_dev);
997 err("Out of memory during hid input probe");
998 return -1;
999 }
1000
1001 input_set_drvdata(input_dev, hid);
1002 input_dev->event = hid->hidinput_input_event;
1003 input_dev->open = hidinput_open;
1004 input_dev->close = hidinput_close;
1005 input_dev->setkeycode = hidinput_setkeycode;
1006 input_dev->getkeycode = hidinput_getkeycode;
1007
1008 input_dev->name = hid->name;
1009 input_dev->phys = hid->phys;
1010 input_dev->uniq = hid->uniq;
1011 input_dev->id.bustype = hid->bus;
1012 input_dev->id.vendor = hid->vendor;
1013 input_dev->id.product = hid->product;
1014 input_dev->id.version = hid->version;
1015 input_dev->dev.parent = hid->dev;
1016 hidinput->input = input_dev;
1017 list_add_tail(&hidinput->list, &hid->inputs);
1018 }
1019
1020 for (i = 0; i < report->maxfield; i++)
1021 for (j = 0; j < report->field[i]->maxusage; j++)
1022 hidinput_configure_usage(hidinput, report->field[i],
1023 report->field[i]->usage + j);
1024
1025 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1026 /* This will leave hidinput NULL, so that it
1027 * allocates another one if we have more inputs on
1028 * the same interface. Some devices (e.g. Happ's
1029 * UGCI) cram a lot of unrelated inputs into the
1030 * same interface. */
1031 hidinput->report = report;
1032 input_register_device(hidinput->input);
1033 hidinput = NULL;
1034 }
1035 }
1036
1037 if (hidinput)
1038 input_register_device(hidinput->input);
1039
1040 return 0;
1041 }
1042 EXPORT_SYMBOL_GPL(hidinput_connect);
1043
1044 void hidinput_disconnect(struct hid_device *hid)
1045 {
1046 struct hid_input *hidinput, *next;
1047
1048 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1049 list_del(&hidinput->list);
1050 input_unregister_device(hidinput->input);
1051 kfree(hidinput);
1052 }
1053 }
1054 EXPORT_SYMBOL_GPL(hidinput_disconnect);
1055
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