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HID: hid, make parsing event driven
[deliverable/linux.git] / drivers / hid / hid-input.c
1 /*
2 * Copyright (c) 2000-2001 Vojtech Pavlik
3 * Copyright (c) 2006-2007 Jiri Kosina
4 *
5 * HID to Linux Input mapping
6 */
7
8 /*
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 * Should you need to contact me, the author, you can do so either by
24 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
25 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
26 */
27
28 #include <linux/module.h>
29 #include <linux/slab.h>
30 #include <linux/kernel.h>
31
32 #include <linux/hid.h>
33 #include <linux/hid-debug.h>
34
35 static int hid_apple_fnmode = 1;
36 module_param_named(pb_fnmode, hid_apple_fnmode, int, 0644);
37 MODULE_PARM_DESC(pb_fnmode,
38 "Mode of fn key on Apple keyboards (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
39
40 #define unk KEY_UNKNOWN
41
42 static const 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,179,180,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 /* extended mapping for certain Logitech hardware (Logitech cordless desktop LX500) */
62 #define LOGITECH_EXPANDED_KEYMAP_SIZE 80
63 static int logitech_expanded_keymap[LOGITECH_EXPANDED_KEYMAP_SIZE] = {
64 0,216, 0,213,175,156, 0, 0, 0, 0,
65 144, 0, 0, 0, 0, 0, 0, 0, 0,212,
66 174,167,152,161,112, 0, 0, 0,154, 0,
67 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
68 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
69 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
70 0, 0, 0, 0, 0,183,184,185,186,187,
71 188,189,190,191,192,193,194, 0, 0, 0
72 };
73
74 static const struct {
75 __s32 x;
76 __s32 y;
77 } hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
78
79 #define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
80 #define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
81 #define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
82 #define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
83
84 #define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0)
85 #define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0)
86
87 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK
88
89 struct hidinput_key_translation {
90 u16 from;
91 u16 to;
92 u8 flags;
93 };
94
95 #define APPLE_FLAG_FKEY 0x01
96
97 static struct hidinput_key_translation apple_fn_keys[] = {
98 { KEY_BACKSPACE, KEY_DELETE },
99 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
100 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
101 { KEY_F3, KEY_FN_F5, APPLE_FLAG_FKEY }, /* Exposé */
102 { KEY_F4, KEY_FN_F4, APPLE_FLAG_FKEY }, /* Dashboard */
103 { KEY_F5, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY },
104 { KEY_F6, KEY_KBDILLUMUP, APPLE_FLAG_FKEY },
105 { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY },
106 { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY },
107 { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY },
108 { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY },
109 { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
110 { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
111 { KEY_UP, KEY_PAGEUP },
112 { KEY_DOWN, KEY_PAGEDOWN },
113 { KEY_LEFT, KEY_HOME },
114 { KEY_RIGHT, KEY_END },
115 { }
116 };
117
118 static struct hidinput_key_translation powerbook_fn_keys[] = {
119 { KEY_BACKSPACE, KEY_DELETE },
120 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
121 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
122 { KEY_F3, KEY_MUTE, APPLE_FLAG_FKEY },
123 { KEY_F4, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
124 { KEY_F5, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
125 { KEY_F6, KEY_NUMLOCK, APPLE_FLAG_FKEY },
126 { KEY_F7, KEY_SWITCHVIDEOMODE, APPLE_FLAG_FKEY },
127 { KEY_F8, KEY_KBDILLUMTOGGLE, APPLE_FLAG_FKEY },
128 { KEY_F9, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY },
129 { KEY_F10, KEY_KBDILLUMUP, APPLE_FLAG_FKEY },
130 { KEY_UP, KEY_PAGEUP },
131 { KEY_DOWN, KEY_PAGEDOWN },
132 { KEY_LEFT, KEY_HOME },
133 { KEY_RIGHT, KEY_END },
134 { }
135 };
136
137 static struct hidinput_key_translation powerbook_numlock_keys[] = {
138 { KEY_J, KEY_KP1 },
139 { KEY_K, KEY_KP2 },
140 { KEY_L, KEY_KP3 },
141 { KEY_U, KEY_KP4 },
142 { KEY_I, KEY_KP5 },
143 { KEY_O, KEY_KP6 },
144 { KEY_7, KEY_KP7 },
145 { KEY_8, KEY_KP8 },
146 { KEY_9, KEY_KP9 },
147 { KEY_M, KEY_KP0 },
148 { KEY_DOT, KEY_KPDOT },
149 { KEY_SLASH, KEY_KPPLUS },
150 { KEY_SEMICOLON, KEY_KPMINUS },
151 { KEY_P, KEY_KPASTERISK },
152 { KEY_MINUS, KEY_KPEQUAL },
153 { KEY_0, KEY_KPSLASH },
154 { KEY_F6, KEY_NUMLOCK },
155 { KEY_KPENTER, KEY_KPENTER },
156 { KEY_BACKSPACE, KEY_BACKSPACE },
157 { }
158 };
159
160 static struct hidinput_key_translation apple_iso_keyboard[] = {
161 { KEY_GRAVE, KEY_102ND },
162 { KEY_102ND, KEY_GRAVE },
163 { }
164 };
165
166 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
167 {
168 struct hidinput_key_translation *trans;
169
170 /* Look for the translation */
171 for (trans = table; trans->from; trans++)
172 if (trans->from == from)
173 return trans;
174
175 return NULL;
176 }
177
178 int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
179 struct hid_usage *usage, __s32 value)
180 {
181 struct hidinput_key_translation *trans;
182
183 if (usage->code == KEY_FN) {
184 if (value) hid->quirks |= HID_QUIRK_APPLE_FN_ON;
185 else hid->quirks &= ~HID_QUIRK_APPLE_FN_ON;
186
187 input_event(input, usage->type, usage->code, value);
188
189 return 1;
190 }
191
192 if (hid_apple_fnmode) {
193 int do_translate;
194
195 trans = find_translation((hid->product < 0x220 ||
196 hid->product >= 0x300) ?
197 powerbook_fn_keys : apple_fn_keys,
198 usage->code);
199 if (trans) {
200 if (test_bit(usage->code, hid->apple_pressed_fn))
201 do_translate = 1;
202 else if (trans->flags & APPLE_FLAG_FKEY)
203 do_translate =
204 (hid_apple_fnmode == 2 && (hid->quirks & HID_QUIRK_APPLE_FN_ON)) ||
205 (hid_apple_fnmode == 1 && !(hid->quirks & HID_QUIRK_APPLE_FN_ON));
206 else
207 do_translate = (hid->quirks & HID_QUIRK_APPLE_FN_ON);
208
209 if (do_translate) {
210 if (value)
211 set_bit(usage->code, hid->apple_pressed_fn);
212 else
213 clear_bit(usage->code, hid->apple_pressed_fn);
214
215 input_event(input, usage->type, trans->to, value);
216
217 return 1;
218 }
219 }
220
221 if (hid->quirks & HID_QUIRK_APPLE_NUMLOCK_EMULATION && (
222 test_bit(usage->code, hid->pb_pressed_numlock) ||
223 test_bit(LED_NUML, input->led))) {
224 trans = find_translation(powerbook_numlock_keys, usage->code);
225
226 if (trans) {
227 if (value)
228 set_bit(usage->code, hid->pb_pressed_numlock);
229 else
230 clear_bit(usage->code, hid->pb_pressed_numlock);
231
232 input_event(input, usage->type, trans->to, value);
233 }
234
235 return 1;
236 }
237 }
238
239 if (hid->quirks & HID_QUIRK_APPLE_ISO_KEYBOARD) {
240 trans = find_translation(apple_iso_keyboard, usage->code);
241 if (trans) {
242 input_event(input, usage->type, trans->to, value);
243 return 1;
244 }
245 }
246
247 return 0;
248 }
249
250 static void hidinput_apple_setup(struct input_dev *input)
251 {
252 struct hidinput_key_translation *trans;
253
254 set_bit(KEY_NUMLOCK, input->keybit);
255
256 /* Enable all needed keys */
257 for (trans = apple_fn_keys; trans->from; trans++)
258 set_bit(trans->to, input->keybit);
259
260 for (trans = powerbook_fn_keys; trans->from; trans++)
261 set_bit(trans->to, input->keybit);
262
263 for (trans = powerbook_numlock_keys; trans->from; trans++)
264 set_bit(trans->to, input->keybit);
265
266 for (trans = apple_iso_keyboard; trans->from; trans++)
267 set_bit(trans->to, input->keybit);
268
269 }
270 #else
271 inline int hidinput_apple_event(struct hid_device *hid,
272 struct input_dev *input,
273 struct hid_usage *usage, __s32 value)
274 {
275 return 0;
276 }
277
278 static inline void hidinput_apple_setup(struct input_dev *input)
279 {
280 }
281 #endif
282
283 static inline int match_scancode(int code, int scancode)
284 {
285 if (scancode == 0)
286 return 1;
287 return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode);
288 }
289
290 static inline int match_keycode(int code, int keycode)
291 {
292 if (keycode == 0)
293 return 1;
294 return (code == keycode);
295 }
296
297 static struct hid_usage *hidinput_find_key(struct hid_device *hid,
298 int scancode, int keycode)
299 {
300 int i, j, k;
301 struct hid_report *report;
302 struct hid_usage *usage;
303
304 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
305 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
306 for (i = 0; i < report->maxfield; i++) {
307 for ( j = 0; j < report->field[i]->maxusage; j++) {
308 usage = report->field[i]->usage + j;
309 if (usage->type == EV_KEY &&
310 match_scancode(usage->hid, scancode) &&
311 match_keycode(usage->code, keycode))
312 return usage;
313 }
314 }
315 }
316 }
317 return NULL;
318 }
319
320 static int hidinput_getkeycode(struct input_dev *dev, int scancode,
321 int *keycode)
322 {
323 struct hid_device *hid = input_get_drvdata(dev);
324 struct hid_usage *usage;
325
326 usage = hidinput_find_key(hid, scancode, 0);
327 if (usage) {
328 *keycode = usage->code;
329 return 0;
330 }
331 return -EINVAL;
332 }
333
334 static int hidinput_setkeycode(struct input_dev *dev, int scancode,
335 int keycode)
336 {
337 struct hid_device *hid = input_get_drvdata(dev);
338 struct hid_usage *usage;
339 int old_keycode;
340
341 if (keycode < 0 || keycode > KEY_MAX)
342 return -EINVAL;
343
344 usage = hidinput_find_key(hid, scancode, 0);
345 if (usage) {
346 old_keycode = usage->code;
347 usage->code = keycode;
348
349 clear_bit(old_keycode, dev->keybit);
350 set_bit(usage->code, dev->keybit);
351 dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode);
352 /* Set the keybit for the old keycode if the old keycode is used
353 * by another key */
354 if (hidinput_find_key (hid, 0, old_keycode))
355 set_bit(old_keycode, dev->keybit);
356
357 return 0;
358 }
359
360 return -EINVAL;
361 }
362
363
364 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
365 struct hid_usage *usage)
366 {
367 struct input_dev *input = hidinput->input;
368 struct hid_device *device = input_get_drvdata(input);
369 int max = 0, code, ret;
370 unsigned long *bit = NULL;
371
372 field->hidinput = hidinput;
373
374 dbg_hid("Mapping: ");
375 hid_resolv_usage(usage->hid);
376 dbg_hid_line(" ---> ");
377
378 if (field->flags & HID_MAIN_ITEM_CONSTANT)
379 goto ignore;
380
381 /* only LED usages are supported in output fields */
382 if (field->report_type == HID_OUTPUT_REPORT &&
383 (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
384 dbg_hid_line(" [non-LED output field] ");
385 goto ignore;
386 }
387
388 /* handle input mappings for quirky devices */
389 ret = hidinput_mapping_quirks(usage, input, &bit, &max);
390 if (ret)
391 goto mapped;
392
393 if (device->driver->input_mapping) {
394 int ret = device->driver->input_mapping(device, hidinput, field,
395 usage, &bit, &max);
396 if (ret > 0)
397 goto mapped;
398 if (ret < 0)
399 goto ignore;
400 }
401
402 switch (usage->hid & HID_USAGE_PAGE) {
403
404 case HID_UP_UNDEFINED:
405 goto ignore;
406
407 case HID_UP_KEYBOARD:
408
409 set_bit(EV_REP, input->evbit);
410
411 if ((usage->hid & HID_USAGE) < 256) {
412 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
413 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
414 } else
415 map_key(KEY_UNKNOWN);
416
417 break;
418
419 case HID_UP_BUTTON:
420
421 code = ((usage->hid - 1) & 0xf);
422
423 switch (field->application) {
424 case HID_GD_MOUSE:
425 case HID_GD_POINTER: code += 0x110; break;
426 case HID_GD_JOYSTICK: code += 0x120; break;
427 case HID_GD_GAMEPAD: code += 0x130; break;
428 default:
429 switch (field->physical) {
430 case HID_GD_MOUSE:
431 case HID_GD_POINTER: code += 0x110; break;
432 case HID_GD_JOYSTICK: code += 0x120; break;
433 case HID_GD_GAMEPAD: code += 0x130; break;
434 default: code += 0x100;
435 }
436 }
437
438 /* Special handling for Logitech Cordless Desktop */
439 if (field->application != HID_GD_MOUSE) {
440 if (device->quirks & HID_QUIRK_LOGITECH_EXPANDED_KEYMAP) {
441 int hid = usage->hid & HID_USAGE;
442 if (hid < LOGITECH_EXPANDED_KEYMAP_SIZE && logitech_expanded_keymap[hid] != 0)
443 code = logitech_expanded_keymap[hid];
444 }
445 } else {
446 if (device->quirks & HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL) {
447 int hid = usage->hid & HID_USAGE;
448 if (hid == 7 || hid == 8)
449 goto ignore;
450 }
451 }
452
453 map_key(code);
454 break;
455
456
457 case HID_UP_SIMULATION:
458
459 switch (usage->hid & 0xffff) {
460 case 0xba: map_abs(ABS_RUDDER); break;
461 case 0xbb: map_abs(ABS_THROTTLE); break;
462 case 0xc4: map_abs(ABS_GAS); break;
463 case 0xc5: map_abs(ABS_BRAKE); break;
464 case 0xc8: map_abs(ABS_WHEEL); break;
465 default: goto ignore;
466 }
467 break;
468
469 case HID_UP_GENDESK:
470
471 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
472 switch (usage->hid & 0xf) {
473 case 0x1: map_key_clear(KEY_POWER); break;
474 case 0x2: map_key_clear(KEY_SLEEP); break;
475 case 0x3: map_key_clear(KEY_WAKEUP); break;
476 default: goto unknown;
477 }
478 break;
479 }
480
481 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
482 switch (usage->hid) {
483 case HID_GD_UP: usage->hat_dir = 1; break;
484 case HID_GD_DOWN: usage->hat_dir = 5; break;
485 case HID_GD_RIGHT: usage->hat_dir = 3; break;
486 case HID_GD_LEFT: usage->hat_dir = 7; break;
487 default: goto unknown;
488 }
489 if (field->dpad) {
490 map_abs(field->dpad);
491 goto ignore;
492 }
493 map_abs(ABS_HAT0X);
494 break;
495 }
496
497 switch (usage->hid) {
498
499 /* These usage IDs map directly to the usage codes. */
500 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
501 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
502 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
503 if (field->flags & HID_MAIN_ITEM_RELATIVE)
504 map_rel(usage->hid & 0xf);
505 else
506 map_abs(usage->hid & 0xf);
507 break;
508
509 case HID_GD_HATSWITCH:
510 usage->hat_min = field->logical_minimum;
511 usage->hat_max = field->logical_maximum;
512 map_abs(ABS_HAT0X);
513 break;
514
515 case HID_GD_START: map_key_clear(BTN_START); break;
516 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
517
518 default: goto unknown;
519 }
520
521 break;
522
523 case HID_UP_LED:
524
525 switch (usage->hid & 0xffff) { /* HID-Value: */
526 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */
527 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */
528 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */
529 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */
530 case 0x05: map_led (LED_KANA); break; /* "Kana" */
531 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */
532 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */
533 case 0x09: map_led (LED_MUTE); break; /* "Mute" */
534 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */
535 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */
536 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */
537
538 default: goto ignore;
539 }
540 break;
541
542 case HID_UP_DIGITIZER:
543
544 switch (usage->hid & 0xff) {
545
546 case 0x30: /* TipPressure */
547 if (!test_bit(BTN_TOUCH, input->keybit)) {
548 device->quirks |= HID_QUIRK_NOTOUCH;
549 set_bit(EV_KEY, input->evbit);
550 set_bit(BTN_TOUCH, input->keybit);
551 }
552
553 map_abs_clear(ABS_PRESSURE);
554 break;
555
556 case 0x32: /* InRange */
557 switch (field->physical & 0xff) {
558 case 0x21: map_key(BTN_TOOL_MOUSE); break;
559 case 0x22: map_key(BTN_TOOL_FINGER); break;
560 default: map_key(BTN_TOOL_PEN); break;
561 }
562 break;
563
564 case 0x3c: /* Invert */
565 map_key_clear(BTN_TOOL_RUBBER);
566 break;
567
568 case 0x33: /* Touch */
569 case 0x42: /* TipSwitch */
570 case 0x43: /* TipSwitch2 */
571 device->quirks &= ~HID_QUIRK_NOTOUCH;
572 map_key_clear(BTN_TOUCH);
573 break;
574
575 case 0x44: /* BarrelSwitch */
576 map_key_clear(BTN_STYLUS);
577 break;
578
579 default: goto unknown;
580 }
581 break;
582
583 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
584
585 switch (usage->hid & HID_USAGE) {
586 case 0x000: goto ignore;
587 case 0x034: map_key_clear(KEY_SLEEP); break;
588 case 0x036: map_key_clear(BTN_MISC); break;
589
590 case 0x040: map_key_clear(KEY_MENU); break;
591 case 0x045: map_key_clear(KEY_RADIO); break;
592
593 case 0x083: map_key_clear(KEY_LAST); break;
594 case 0x088: map_key_clear(KEY_PC); break;
595 case 0x089: map_key_clear(KEY_TV); break;
596 case 0x08a: map_key_clear(KEY_WWW); break;
597 case 0x08b: map_key_clear(KEY_DVD); break;
598 case 0x08c: map_key_clear(KEY_PHONE); break;
599 case 0x08d: map_key_clear(KEY_PROGRAM); break;
600 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break;
601 case 0x08f: map_key_clear(KEY_GAMES); break;
602 case 0x090: map_key_clear(KEY_MEMO); break;
603 case 0x091: map_key_clear(KEY_CD); break;
604 case 0x092: map_key_clear(KEY_VCR); break;
605 case 0x093: map_key_clear(KEY_TUNER); break;
606 case 0x094: map_key_clear(KEY_EXIT); break;
607 case 0x095: map_key_clear(KEY_HELP); break;
608 case 0x096: map_key_clear(KEY_TAPE); break;
609 case 0x097: map_key_clear(KEY_TV2); break;
610 case 0x098: map_key_clear(KEY_SAT); break;
611 case 0x09a: map_key_clear(KEY_PVR); break;
612
613 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
614 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
615 case 0x0a0: map_key_clear(KEY_VCR2); break;
616
617 case 0x0b0: map_key_clear(KEY_PLAY); break;
618 case 0x0b1: map_key_clear(KEY_PAUSE); break;
619 case 0x0b2: map_key_clear(KEY_RECORD); break;
620 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
621 case 0x0b4: map_key_clear(KEY_REWIND); break;
622 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
623 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
624 case 0x0b7: map_key_clear(KEY_STOPCD); break;
625 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
626 case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break;
627
628 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
629 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
630 case 0x0e2: map_key_clear(KEY_MUTE); break;
631 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
632 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
633 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
634
635 case 0x182: map_key_clear(KEY_BOOKMARKS); break;
636 case 0x183: map_key_clear(KEY_CONFIG); break;
637 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
638 case 0x185: map_key_clear(KEY_EDITOR); break;
639 case 0x186: map_key_clear(KEY_SPREADSHEET); break;
640 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break;
641 case 0x188: map_key_clear(KEY_PRESENTATION); break;
642 case 0x189: map_key_clear(KEY_DATABASE); break;
643 case 0x18a: map_key_clear(KEY_MAIL); break;
644 case 0x18b: map_key_clear(KEY_NEWS); break;
645 case 0x18c: map_key_clear(KEY_VOICEMAIL); break;
646 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break;
647 case 0x18e: map_key_clear(KEY_CALENDAR); break;
648 case 0x191: map_key_clear(KEY_FINANCE); break;
649 case 0x192: map_key_clear(KEY_CALC); break;
650 case 0x194: map_key_clear(KEY_FILE); break;
651 case 0x196: map_key_clear(KEY_WWW); break;
652 case 0x19c: map_key_clear(KEY_LOGOFF); break;
653 case 0x19e: map_key_clear(KEY_COFFEE); break;
654 case 0x1a6: map_key_clear(KEY_HELP); break;
655 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
656 case 0x1ab: map_key_clear(KEY_SPELLCHECK); break;
657 case 0x1b6: map_key_clear(KEY_MEDIA); break;
658 case 0x1b7: map_key_clear(KEY_SOUND); break;
659 case 0x1bc: map_key_clear(KEY_MESSENGER); break;
660 case 0x1bd: map_key_clear(KEY_INFO); break;
661 case 0x201: map_key_clear(KEY_NEW); break;
662 case 0x202: map_key_clear(KEY_OPEN); break;
663 case 0x203: map_key_clear(KEY_CLOSE); break;
664 case 0x204: map_key_clear(KEY_EXIT); break;
665 case 0x207: map_key_clear(KEY_SAVE); break;
666 case 0x208: map_key_clear(KEY_PRINT); break;
667 case 0x209: map_key_clear(KEY_PROPS); break;
668 case 0x21a: map_key_clear(KEY_UNDO); break;
669 case 0x21b: map_key_clear(KEY_COPY); break;
670 case 0x21c: map_key_clear(KEY_CUT); break;
671 case 0x21d: map_key_clear(KEY_PASTE); break;
672 case 0x21f: map_key_clear(KEY_FIND); break;
673 case 0x221: map_key_clear(KEY_SEARCH); break;
674 case 0x222: map_key_clear(KEY_GOTO); break;
675 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
676 case 0x224: map_key_clear(KEY_BACK); break;
677 case 0x225: map_key_clear(KEY_FORWARD); break;
678 case 0x226: map_key_clear(KEY_STOP); break;
679 case 0x227: map_key_clear(KEY_REFRESH); break;
680 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
681 case 0x22d: map_key_clear(KEY_ZOOMIN); break;
682 case 0x22e: map_key_clear(KEY_ZOOMOUT); break;
683 case 0x22f: map_key_clear(KEY_ZOOMRESET); break;
684 case 0x233: map_key_clear(KEY_SCROLLUP); break;
685 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
686 case 0x238: map_rel(REL_HWHEEL); break;
687 case 0x25f: map_key_clear(KEY_CANCEL); break;
688 case 0x279: map_key_clear(KEY_REDO); break;
689
690 case 0x289: map_key_clear(KEY_REPLY); break;
691 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
692 case 0x28c: map_key_clear(KEY_SEND); break;
693
694 default: goto ignore;
695 }
696 break;
697
698 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
699
700 set_bit(EV_REP, input->evbit);
701 switch (usage->hid & HID_USAGE) {
702 case 0x021: map_key_clear(KEY_PRINT); break;
703 case 0x070: map_key_clear(KEY_HP); break;
704 case 0x071: map_key_clear(KEY_CAMERA); break;
705 case 0x072: map_key_clear(KEY_SOUND); break;
706 case 0x073: map_key_clear(KEY_QUESTION); break;
707 case 0x080: map_key_clear(KEY_EMAIL); break;
708 case 0x081: map_key_clear(KEY_CHAT); break;
709 case 0x082: map_key_clear(KEY_SEARCH); break;
710 case 0x083: map_key_clear(KEY_CONNECT); break;
711 case 0x084: map_key_clear(KEY_FINANCE); break;
712 case 0x085: map_key_clear(KEY_SPORT); break;
713 case 0x086: map_key_clear(KEY_SHOP); break;
714 default: goto ignore;
715 }
716 break;
717
718 case HID_UP_MSVENDOR:
719
720 goto ignore;
721
722 case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */
723
724 set_bit(EV_REP, input->evbit);
725 switch(usage->hid & HID_USAGE) {
726 case 0x003:
727 /* The fn key on Apple USB keyboards */
728 map_key_clear(KEY_FN);
729 hidinput_apple_setup(input);
730 break;
731
732 default: goto ignore;
733 }
734 break;
735
736 case HID_UP_LOGIVENDOR:
737
738 goto ignore;
739
740 case HID_UP_PID:
741
742 switch(usage->hid & HID_USAGE) {
743 case 0xa4: map_key_clear(BTN_DEAD); break;
744 default: goto ignore;
745 }
746 break;
747
748 default:
749 unknown:
750 if (field->report_size == 1) {
751 if (field->report->type == HID_OUTPUT_REPORT) {
752 map_led(LED_MISC);
753 break;
754 }
755 map_key(BTN_MISC);
756 break;
757 }
758 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
759 map_rel(REL_MISC);
760 break;
761 }
762 map_abs(ABS_MISC);
763 break;
764 }
765
766 mapped:
767 if (device->driver->input_mapped && device->driver->input_mapped(device,
768 hidinput, field, usage, &bit, &max) < 0)
769 goto ignore;
770
771 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
772 if (usage->hid == HID_GD_Z)
773 map_rel(REL_HWHEEL);
774 else if (usage->code == BTN_1)
775 map_key(BTN_2);
776 else if (usage->code == BTN_2)
777 map_key(BTN_1);
778 }
779
780 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5 |
781 HID_QUIRK_2WHEEL_MOUSE_HACK_B8)) && (usage->type == EV_REL) &&
782 (usage->code == REL_WHEEL))
783 set_bit(REL_HWHEEL, bit);
784
785 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
786 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
787 goto ignore;
788
789 if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
790 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
791 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
792
793 set_bit(usage->type, input->evbit);
794
795 if (device->quirks & HID_QUIRK_DUPLICATE_USAGES &&
796 (usage->type == EV_KEY ||
797 usage->type == EV_REL ||
798 usage->type == EV_ABS))
799 clear_bit(usage->code, bit);
800
801 while (usage->code <= max && test_and_set_bit(usage->code, bit))
802 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
803
804 if (usage->code > max)
805 goto ignore;
806
807
808 if (usage->type == EV_ABS) {
809
810 int a = field->logical_minimum;
811 int b = field->logical_maximum;
812
813 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
814 a = field->logical_minimum = 0;
815 b = field->logical_maximum = 255;
816 }
817
818 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
819 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
820 else input_set_abs_params(input, usage->code, a, b, 0, 0);
821
822 }
823
824 if (usage->type == EV_ABS &&
825 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
826 int i;
827 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
828 input_set_abs_params(input, i, -1, 1, 0, 0);
829 set_bit(i, input->absbit);
830 }
831 if (usage->hat_dir && !field->dpad)
832 field->dpad = usage->code;
833 }
834
835 /* for those devices which produce Consumer volume usage as relative,
836 * we emulate pressing volumeup/volumedown appropriate number of times
837 * in hidinput_hid_event()
838 */
839 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
840 (usage->code == ABS_VOLUME)) {
841 set_bit(KEY_VOLUMEUP, input->keybit);
842 set_bit(KEY_VOLUMEDOWN, input->keybit);
843 }
844
845 if (usage->type == EV_KEY) {
846 set_bit(EV_MSC, input->evbit);
847 set_bit(MSC_SCAN, input->mscbit);
848 }
849
850 hid_resolv_event(usage->type, usage->code);
851
852 dbg_hid_line("\n");
853
854 return;
855
856 ignore:
857 dbg_hid_line("IGNORED\n");
858 return;
859 }
860
861 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
862 {
863 struct input_dev *input;
864 unsigned *quirks = &hid->quirks;
865
866 if (!field->hidinput)
867 return;
868
869 input = field->hidinput->input;
870
871 if (!usage->type)
872 return;
873
874 /* handle input events for quirky devices */
875 if (hidinput_event_quirks(hid, field, usage, value))
876 return;
877
878 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
879 int hat_dir = usage->hat_dir;
880 if (!hat_dir)
881 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
882 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
883 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
884 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
885 return;
886 }
887
888 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
889 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
890 return;
891 }
892
893 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
894 if (value) {
895 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
896 return;
897 }
898 input_event(input, usage->type, usage->code, 0);
899 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
900 return;
901 }
902
903 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
904 int a = field->logical_minimum;
905 int b = field->logical_maximum;
906 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
907 }
908
909 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
910 dbg_hid("Maximum Effects - %d\n",value);
911 return;
912 }
913
914 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
915 dbg_hid("PID Pool Report\n");
916 return;
917 }
918
919 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
920 return;
921
922 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
923 (usage->code == ABS_VOLUME)) {
924 int count = abs(value);
925 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
926 int i;
927
928 for (i = 0; i < count; i++) {
929 input_event(input, EV_KEY, direction, 1);
930 input_sync(input);
931 input_event(input, EV_KEY, direction, 0);
932 input_sync(input);
933 }
934 return;
935 }
936
937 /* report the usage code as scancode if the key status has changed */
938 if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
939 input_event(input, EV_MSC, MSC_SCAN, usage->hid);
940
941 input_event(input, usage->type, usage->code, value);
942
943 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
944 input_event(input, usage->type, usage->code, 0);
945 }
946
947 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
948 {
949 struct hid_input *hidinput;
950
951 list_for_each_entry(hidinput, &hid->inputs, list)
952 input_sync(hidinput->input);
953 }
954 EXPORT_SYMBOL_GPL(hidinput_report_event);
955
956 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
957 {
958 struct hid_report *report;
959 int i, j;
960
961 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
962 for (i = 0; i < report->maxfield; i++) {
963 *field = report->field[i];
964 for (j = 0; j < (*field)->maxusage; j++)
965 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
966 return j;
967 }
968 }
969 return -1;
970 }
971 EXPORT_SYMBOL_GPL(hidinput_find_field);
972
973 static int hidinput_open(struct input_dev *dev)
974 {
975 struct hid_device *hid = input_get_drvdata(dev);
976
977 return hid->ll_driver->open(hid);
978 }
979
980 static void hidinput_close(struct input_dev *dev)
981 {
982 struct hid_device *hid = input_get_drvdata(dev);
983
984 hid->ll_driver->close(hid);
985 }
986
987 /*
988 * Register the input device; print a message.
989 * Configure the input layer interface
990 * Read all reports and initialize the absolute field values.
991 */
992
993 int hidinput_connect(struct hid_device *hid)
994 {
995 struct hid_report *report;
996 struct hid_input *hidinput = NULL;
997 struct input_dev *input_dev;
998 int i, j, k;
999 int max_report_type = HID_OUTPUT_REPORT;
1000
1001 if (hid->quirks & HID_QUIRK_IGNORE_HIDINPUT)
1002 return -1;
1003
1004 INIT_LIST_HEAD(&hid->inputs);
1005
1006 for (i = 0; i < hid->maxcollection; i++)
1007 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
1008 hid->collection[i].type == HID_COLLECTION_PHYSICAL)
1009 if (IS_INPUT_APPLICATION(hid->collection[i].usage))
1010 break;
1011
1012 if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0)
1013 return -1;
1014
1015 if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
1016 max_report_type = HID_INPUT_REPORT;
1017
1018 for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
1019 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
1020
1021 if (!report->maxfield)
1022 continue;
1023
1024 if (!hidinput) {
1025 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
1026 input_dev = input_allocate_device();
1027 if (!hidinput || !input_dev) {
1028 kfree(hidinput);
1029 input_free_device(input_dev);
1030 err_hid("Out of memory during hid input probe");
1031 goto out_unwind;
1032 }
1033
1034 input_set_drvdata(input_dev, hid);
1035 input_dev->event =
1036 hid->ll_driver->hidinput_input_event;
1037 input_dev->open = hidinput_open;
1038 input_dev->close = hidinput_close;
1039 input_dev->setkeycode = hidinput_setkeycode;
1040 input_dev->getkeycode = hidinput_getkeycode;
1041
1042 input_dev->name = hid->name;
1043 input_dev->phys = hid->phys;
1044 input_dev->uniq = hid->uniq;
1045 input_dev->id.bustype = hid->bus;
1046 input_dev->id.vendor = hid->vendor;
1047 input_dev->id.product = hid->product;
1048 input_dev->id.version = hid->version;
1049 input_dev->dev.parent = hid->dev.parent;
1050 hidinput->input = input_dev;
1051 list_add_tail(&hidinput->list, &hid->inputs);
1052 }
1053
1054 for (i = 0; i < report->maxfield; i++)
1055 for (j = 0; j < report->field[i]->maxusage; j++)
1056 hidinput_configure_usage(hidinput, report->field[i],
1057 report->field[i]->usage + j);
1058
1059 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1060 /* This will leave hidinput NULL, so that it
1061 * allocates another one if we have more inputs on
1062 * the same interface. Some devices (e.g. Happ's
1063 * UGCI) cram a lot of unrelated inputs into the
1064 * same interface. */
1065 hidinput->report = report;
1066 if (input_register_device(hidinput->input))
1067 goto out_cleanup;
1068 hidinput = NULL;
1069 }
1070 }
1071
1072 if (hidinput && input_register_device(hidinput->input))
1073 goto out_cleanup;
1074
1075 return 0;
1076
1077 out_cleanup:
1078 input_free_device(hidinput->input);
1079 kfree(hidinput);
1080 out_unwind:
1081 /* unwind the ones we already registered */
1082 hidinput_disconnect(hid);
1083
1084 return -1;
1085 }
1086 EXPORT_SYMBOL_GPL(hidinput_connect);
1087
1088 void hidinput_disconnect(struct hid_device *hid)
1089 {
1090 struct hid_input *hidinput, *next;
1091
1092 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1093 list_del(&hidinput->list);
1094 input_unregister_device(hidinput->input);
1095 kfree(hidinput);
1096 }
1097 }
1098 EXPORT_SYMBOL_GPL(hidinput_disconnect);
1099
Linux kernel - Deliverables
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