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[mirror_ubuntu-zesty-kernel.git] / drivers / hid / hid-input.c
1 /*
2 * $Id: hid-input.c,v 1.2 2002/04/23 00:59:25 rdamazio Exp $
3 *
4 * Copyright (c) 2000-2001 Vojtech Pavlik
5 * 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_apple_fnmode = 1;
38 module_param_named(pb_fnmode, hid_apple_fnmode, int, 0644);
39 MODULE_PARM_DESC(pb_fnmode,
40 "Mode of fn key on Apple keyboards (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,179,180,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 /* extended mapping for certain Logitech hardware (Logitech cordless desktop LX500) */
64 #define LOGITECH_EXPANDED_KEYMAP_SIZE 80
65 static int logitech_expanded_keymap[LOGITECH_EXPANDED_KEYMAP_SIZE] = {
66 0,216, 0,213,175,156, 0, 0, 0, 0,
67 144, 0, 0, 0, 0, 0, 0, 0, 0,212,
68 174,167,152,161,112, 0, 0, 0,154, 0,
69 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
70 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
71 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
72 0, 0, 0, 0, 0,183,184,185,186,187,
73 188,189,190,191,192,193,194, 0, 0, 0
74 };
75
76 static const struct {
77 __s32 x;
78 __s32 y;
79 } hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
80
81 #define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
82 #define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
83 #define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
84 #define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
85
86 #define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0)
87 #define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0)
88
89 /* hardware needing special handling due to colliding MSVENDOR page usages */
90 #define IS_CHICONY_TACTICAL_PAD(x) (x->vendor == 0x04f2 && device->product == 0x0418)
91 #define IS_MS_KB(x) (x->vendor == 0x045e && (x->product == 0x00db || x->product == 0x00f9))
92 #define IS_MS_PRESENTER_8000(x) (x->vendor == 0x045e && x->product == 0x0713)
93
94 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK
95
96 struct hidinput_key_translation {
97 u16 from;
98 u16 to;
99 u8 flags;
100 };
101
102 #define APPLE_FLAG_FKEY 0x01
103
104 static struct hidinput_key_translation apple_fn_keys[] = {
105 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
106 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
107 { KEY_F3, KEY_CYCLEWINDOWS, APPLE_FLAG_FKEY }, /* Exposé */
108 { KEY_F4, KEY_FN_F4, APPLE_FLAG_FKEY }, /* Dashboard */
109 { KEY_F5, KEY_FN_F5 },
110 { KEY_F6, KEY_FN_F6 },
111 { KEY_F7, KEY_BACK, APPLE_FLAG_FKEY },
112 { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY },
113 { KEY_F9, KEY_FORWARD, APPLE_FLAG_FKEY },
114 { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY },
115 { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
116 { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
117 { }
118 };
119
120 static struct hidinput_key_translation powerbook_fn_keys[] = {
121 { KEY_BACKSPACE, KEY_DELETE },
122 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
123 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
124 { KEY_F3, KEY_MUTE, APPLE_FLAG_FKEY },
125 { KEY_F4, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
126 { KEY_F5, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
127 { KEY_F6, KEY_NUMLOCK, APPLE_FLAG_FKEY },
128 { KEY_F7, KEY_SWITCHVIDEOMODE, APPLE_FLAG_FKEY },
129 { KEY_F8, KEY_KBDILLUMTOGGLE, APPLE_FLAG_FKEY },
130 { KEY_F9, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY },
131 { KEY_F10, KEY_KBDILLUMUP, APPLE_FLAG_FKEY },
132 { KEY_UP, KEY_PAGEUP },
133 { KEY_DOWN, KEY_PAGEDOWN },
134 { KEY_LEFT, KEY_HOME },
135 { KEY_RIGHT, KEY_END },
136 { }
137 };
138
139 static struct hidinput_key_translation powerbook_numlock_keys[] = {
140 { KEY_J, KEY_KP1 },
141 { KEY_K, KEY_KP2 },
142 { KEY_L, KEY_KP3 },
143 { KEY_U, KEY_KP4 },
144 { KEY_I, KEY_KP5 },
145 { KEY_O, KEY_KP6 },
146 { KEY_7, KEY_KP7 },
147 { KEY_8, KEY_KP8 },
148 { KEY_9, KEY_KP9 },
149 { KEY_M, KEY_KP0 },
150 { KEY_DOT, KEY_KPDOT },
151 { KEY_SLASH, KEY_KPPLUS },
152 { KEY_SEMICOLON, KEY_KPMINUS },
153 { KEY_P, KEY_KPASTERISK },
154 { KEY_MINUS, KEY_KPEQUAL },
155 { KEY_0, KEY_KPSLASH },
156 { KEY_F6, KEY_NUMLOCK },
157 { KEY_KPENTER, KEY_KPENTER },
158 { KEY_BACKSPACE, KEY_BACKSPACE },
159 { }
160 };
161
162 static struct hidinput_key_translation apple_iso_keyboard[] = {
163 { KEY_GRAVE, KEY_102ND },
164 { KEY_102ND, KEY_GRAVE },
165 { }
166 };
167
168 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
169 {
170 struct hidinput_key_translation *trans;
171
172 /* Look for the translation */
173 for (trans = table; trans->from; trans++)
174 if (trans->from == from)
175 return trans;
176
177 return NULL;
178 }
179
180 static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
181 struct hid_usage *usage, __s32 value)
182 {
183 struct hidinput_key_translation *trans;
184
185 if (usage->code == KEY_FN) {
186 if (value) hid->quirks |= HID_QUIRK_APPLE_FN_ON;
187 else hid->quirks &= ~HID_QUIRK_APPLE_FN_ON;
188
189 input_event(input, usage->type, usage->code, value);
190
191 return 1;
192 }
193
194 if (hid_apple_fnmode) {
195 int do_translate;
196
197 trans = find_translation((hid->product < 0x220 ||
198 hid->product >= 0x300) ?
199 powerbook_fn_keys : apple_fn_keys,
200 usage->code);
201 if (trans) {
202 if (test_bit(usage->code, hid->apple_pressed_fn))
203 do_translate = 1;
204 else if (trans->flags & APPLE_FLAG_FKEY)
205 do_translate =
206 (hid_apple_fnmode == 2 && (hid->quirks & HID_QUIRK_APPLE_FN_ON)) ||
207 (hid_apple_fnmode == 1 && !(hid->quirks & HID_QUIRK_APPLE_FN_ON));
208 else
209 do_translate = (hid->quirks & HID_QUIRK_APPLE_FN_ON);
210
211 if (do_translate) {
212 if (value)
213 set_bit(usage->code, hid->apple_pressed_fn);
214 else
215 clear_bit(usage->code, hid->apple_pressed_fn);
216
217 input_event(input, usage->type, trans->to, value);
218
219 return 1;
220 }
221 }
222
223 if (test_bit(usage->code, hid->pb_pressed_numlock) ||
224 test_bit(LED_NUML, input->led)) {
225 trans = find_translation(powerbook_numlock_keys, usage->code);
226
227 if (trans) {
228 if (value)
229 set_bit(usage->code, hid->pb_pressed_numlock);
230 else
231 clear_bit(usage->code, hid->pb_pressed_numlock);
232
233 input_event(input, usage->type, trans->to, value);
234 }
235
236 return 1;
237 }
238 }
239
240 if (hid->quirks & HID_QUIRK_APPLE_ISO_KEYBOARD) {
241 trans = find_translation(apple_iso_keyboard, usage->code);
242 if (trans) {
243 input_event(input, usage->type, trans->to, value);
244 return 1;
245 }
246 }
247
248 return 0;
249 }
250
251 static void hidinput_apple_setup(struct input_dev *input)
252 {
253 struct hidinput_key_translation *trans;
254
255 set_bit(KEY_NUMLOCK, input->keybit);
256
257 /* Enable all needed keys */
258 for (trans = apple_fn_keys; trans->from; trans++)
259 set_bit(trans->to, input->keybit);
260
261 for (trans = powerbook_fn_keys; trans->from; trans++)
262 set_bit(trans->to, input->keybit);
263
264 for (trans = powerbook_numlock_keys; trans->from; trans++)
265 set_bit(trans->to, input->keybit);
266
267 for (trans = apple_iso_keyboard; trans->from; trans++)
268 set_bit(trans->to, input->keybit);
269
270 }
271 #else
272 static inline int hidinput_apple_event(struct hid_device *hid,
273 struct input_dev *input,
274 struct hid_usage *usage, __s32 value)
275 {
276 return 0;
277 }
278
279 static inline void hidinput_apple_setup(struct input_dev *input)
280 {
281 }
282 #endif
283
284 static inline int match_scancode(int code, int scancode)
285 {
286 if (scancode == 0)
287 return 1;
288 return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode);
289 }
290
291 static inline int match_keycode(int code, int keycode)
292 {
293 if (keycode == 0)
294 return 1;
295 return (code == keycode);
296 }
297
298 static struct hid_usage *hidinput_find_key(struct hid_device *hid,
299 int scancode, int keycode)
300 {
301 int i, j, k;
302 struct hid_report *report;
303 struct hid_usage *usage;
304
305 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
306 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
307 for (i = 0; i < report->maxfield; i++) {
308 for ( j = 0; j < report->field[i]->maxusage; j++) {
309 usage = report->field[i]->usage + j;
310 if (usage->type == EV_KEY &&
311 match_scancode(usage->hid, scancode) &&
312 match_keycode(usage->code, keycode))
313 return usage;
314 }
315 }
316 }
317 }
318 return NULL;
319 }
320
321 static int hidinput_getkeycode(struct input_dev *dev, int scancode,
322 int *keycode)
323 {
324 struct hid_device *hid = input_get_drvdata(dev);
325 struct hid_usage *usage;
326
327 usage = hidinput_find_key(hid, scancode, 0);
328 if (usage) {
329 *keycode = usage->code;
330 return 0;
331 }
332 return -EINVAL;
333 }
334
335 static int hidinput_setkeycode(struct input_dev *dev, int scancode,
336 int keycode)
337 {
338 struct hid_device *hid = input_get_drvdata(dev);
339 struct hid_usage *usage;
340 int old_keycode;
341
342 if (keycode < 0 || keycode > KEY_MAX)
343 return -EINVAL;
344
345 usage = hidinput_find_key(hid, scancode, 0);
346 if (usage) {
347 old_keycode = usage->code;
348 usage->code = keycode;
349
350 clear_bit(old_keycode, dev->keybit);
351 set_bit(usage->code, dev->keybit);
352 dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode);
353 /* Set the keybit for the old keycode if the old keycode is used
354 * by another key */
355 if (hidinput_find_key (hid, 0, old_keycode))
356 set_bit(old_keycode, dev->keybit);
357
358 return 0;
359 }
360
361 return -EINVAL;
362 }
363
364
365 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
366 struct hid_usage *usage)
367 {
368 struct input_dev *input = hidinput->input;
369 struct hid_device *device = input_get_drvdata(input);
370 int max = 0, code;
371 unsigned long *bit = NULL;
372
373 field->hidinput = hidinput;
374
375 dbg_hid("Mapping: ");
376 hid_resolv_usage(usage->hid);
377 dbg_hid_line(" ---> ");
378
379 if (field->flags & HID_MAIN_ITEM_CONSTANT)
380 goto ignore;
381
382 /* only LED usages are supported in output fields */
383 if (field->report_type == HID_OUTPUT_REPORT &&
384 (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
385 dbg_hid_line(" [non-LED output field] ");
386 goto ignore;
387 }
388
389 switch (usage->hid & HID_USAGE_PAGE) {
390
391 case HID_UP_UNDEFINED:
392 goto ignore;
393
394 case HID_UP_KEYBOARD:
395
396 set_bit(EV_REP, input->evbit);
397
398 if ((usage->hid & HID_USAGE) < 256) {
399 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
400 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
401 } else
402 map_key(KEY_UNKNOWN);
403
404 break;
405
406 case HID_UP_BUTTON:
407
408 code = ((usage->hid - 1) & 0xf);
409
410 switch (field->application) {
411 case HID_GD_MOUSE:
412 case HID_GD_POINTER: code += 0x110; break;
413 case HID_GD_JOYSTICK: code += 0x120; break;
414 case HID_GD_GAMEPAD: code += 0x130; break;
415 default:
416 switch (field->physical) {
417 case HID_GD_MOUSE:
418 case HID_GD_POINTER: code += 0x110; break;
419 case HID_GD_JOYSTICK: code += 0x120; break;
420 case HID_GD_GAMEPAD: code += 0x130; break;
421 default: code += 0x100;
422 }
423 }
424
425 /* Special handling for Logitech Cordless Desktop */
426 if (field->application != HID_GD_MOUSE) {
427 if (device->quirks & HID_QUIRK_LOGITECH_EXPANDED_KEYMAP) {
428 int hid = usage->hid & HID_USAGE;
429 if (hid < LOGITECH_EXPANDED_KEYMAP_SIZE && logitech_expanded_keymap[hid] != 0)
430 code = logitech_expanded_keymap[hid];
431 }
432 } else {
433 if (device->quirks & HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL) {
434 int hid = usage->hid & HID_USAGE;
435 if (hid == 7 || hid == 8)
436 goto ignore;
437 }
438 }
439
440 map_key(code);
441 break;
442
443
444 case HID_UP_SIMULATION:
445
446 switch (usage->hid & 0xffff) {
447 case 0xba: map_abs(ABS_RUDDER); break;
448 case 0xbb: map_abs(ABS_THROTTLE); break;
449 case 0xc4: map_abs(ABS_GAS); break;
450 case 0xc5: map_abs(ABS_BRAKE); break;
451 case 0xc8: map_abs(ABS_WHEEL); break;
452 default: goto ignore;
453 }
454 break;
455
456 case HID_UP_GENDESK:
457
458 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
459 switch (usage->hid & 0xf) {
460 case 0x1: map_key_clear(KEY_POWER); break;
461 case 0x2: map_key_clear(KEY_SLEEP); break;
462 case 0x3: map_key_clear(KEY_WAKEUP); break;
463 default: goto unknown;
464 }
465 break;
466 }
467
468 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
469 switch (usage->hid) {
470 case HID_GD_UP: usage->hat_dir = 1; break;
471 case HID_GD_DOWN: usage->hat_dir = 5; break;
472 case HID_GD_RIGHT: usage->hat_dir = 3; break;
473 case HID_GD_LEFT: usage->hat_dir = 7; break;
474 default: goto unknown;
475 }
476 if (field->dpad) {
477 map_abs(field->dpad);
478 goto ignore;
479 }
480 map_abs(ABS_HAT0X);
481 break;
482 }
483
484 switch (usage->hid) {
485
486 /* These usage IDs map directly to the usage codes. */
487 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
488 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
489 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
490 if (field->flags & HID_MAIN_ITEM_RELATIVE)
491 map_rel(usage->hid & 0xf);
492 else
493 map_abs(usage->hid & 0xf);
494 break;
495
496 case HID_GD_HATSWITCH:
497 usage->hat_min = field->logical_minimum;
498 usage->hat_max = field->logical_maximum;
499 map_abs(ABS_HAT0X);
500 break;
501
502 case HID_GD_START: map_key_clear(BTN_START); break;
503 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
504
505 default: goto unknown;
506 }
507
508 break;
509
510 case HID_UP_LED:
511
512 switch (usage->hid & 0xffff) { /* HID-Value: */
513 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */
514 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */
515 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */
516 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */
517 case 0x05: map_led (LED_KANA); break; /* "Kana" */
518 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */
519 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */
520 case 0x09: map_led (LED_MUTE); break; /* "Mute" */
521 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */
522 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */
523 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */
524
525 default: goto ignore;
526 }
527 break;
528
529 case HID_UP_DIGITIZER:
530
531 switch (usage->hid & 0xff) {
532
533 case 0x30: /* TipPressure */
534 if (!test_bit(BTN_TOUCH, input->keybit)) {
535 device->quirks |= HID_QUIRK_NOTOUCH;
536 set_bit(EV_KEY, input->evbit);
537 set_bit(BTN_TOUCH, input->keybit);
538 }
539
540 map_abs_clear(ABS_PRESSURE);
541 break;
542
543 case 0x32: /* InRange */
544 switch (field->physical & 0xff) {
545 case 0x21: map_key(BTN_TOOL_MOUSE); break;
546 case 0x22: map_key(BTN_TOOL_FINGER); break;
547 default: map_key(BTN_TOOL_PEN); break;
548 }
549 break;
550
551 case 0x3c: /* Invert */
552 map_key_clear(BTN_TOOL_RUBBER);
553 break;
554
555 case 0x33: /* Touch */
556 case 0x42: /* TipSwitch */
557 case 0x43: /* TipSwitch2 */
558 device->quirks &= ~HID_QUIRK_NOTOUCH;
559 map_key_clear(BTN_TOUCH);
560 break;
561
562 case 0x44: /* BarrelSwitch */
563 map_key_clear(BTN_STYLUS);
564 break;
565
566 default: goto unknown;
567 }
568 break;
569
570 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
571
572 switch (usage->hid & HID_USAGE) {
573 case 0x000: goto ignore;
574 case 0x034: map_key_clear(KEY_SLEEP); break;
575 case 0x036: map_key_clear(BTN_MISC); break;
576 /*
577 * The next three are reported by Belkin wireless
578 * keyboard (1020:0006). These values are "reserved"
579 * in HUT 1.12.
580 */
581 case 0x03a: map_key_clear(KEY_SOUND); break;
582 case 0x03b: map_key_clear(KEY_CAMERA); break;
583 case 0x03c: map_key_clear(KEY_DOCUMENTS); break;
584
585 case 0x040: map_key_clear(KEY_MENU); break;
586 case 0x045: map_key_clear(KEY_RADIO); break;
587
588 case 0x083: map_key_clear(KEY_LAST); break;
589 case 0x088: map_key_clear(KEY_PC); break;
590 case 0x089: map_key_clear(KEY_TV); break;
591 case 0x08a: map_key_clear(KEY_WWW); break;
592 case 0x08b: map_key_clear(KEY_DVD); break;
593 case 0x08c: map_key_clear(KEY_PHONE); break;
594 case 0x08d: map_key_clear(KEY_PROGRAM); break;
595 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break;
596 case 0x08f: map_key_clear(KEY_GAMES); break;
597 case 0x090: map_key_clear(KEY_MEMO); break;
598 case 0x091: map_key_clear(KEY_CD); break;
599 case 0x092: map_key_clear(KEY_VCR); break;
600 case 0x093: map_key_clear(KEY_TUNER); break;
601 case 0x094: map_key_clear(KEY_EXIT); break;
602 case 0x095: map_key_clear(KEY_HELP); break;
603 case 0x096: map_key_clear(KEY_TAPE); break;
604 case 0x097: map_key_clear(KEY_TV2); break;
605 case 0x098: map_key_clear(KEY_SAT); break;
606 case 0x09a: map_key_clear(KEY_PVR); break;
607
608 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
609 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
610 case 0x0a0: map_key_clear(KEY_VCR2); break;
611
612 case 0x0b0: map_key_clear(KEY_PLAY); break;
613 case 0x0b1: map_key_clear(KEY_PAUSE); break;
614 case 0x0b2: map_key_clear(KEY_RECORD); break;
615 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
616 case 0x0b4: map_key_clear(KEY_REWIND); break;
617 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
618 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
619 case 0x0b7: map_key_clear(KEY_STOPCD); break;
620 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
621
622 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
623 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
624 case 0x0e2: map_key_clear(KEY_MUTE); break;
625 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
626 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
627 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
628
629 /* reserved in HUT 1.12. Reported on Petalynx remote */
630 case 0x0f6: map_key_clear(KEY_NEXT); break;
631 case 0x0fa: map_key_clear(KEY_BACK); break;
632
633 case 0x182: map_key_clear(KEY_BOOKMARKS); break;
634 case 0x183: map_key_clear(KEY_CONFIG); break;
635 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
636 case 0x185: map_key_clear(KEY_EDITOR); break;
637 case 0x186: map_key_clear(KEY_SPREADSHEET); break;
638 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break;
639 case 0x188: map_key_clear(KEY_PRESENTATION); break;
640 case 0x189: map_key_clear(KEY_DATABASE); break;
641 case 0x18a: map_key_clear(KEY_MAIL); break;
642 case 0x18b: map_key_clear(KEY_NEWS); break;
643 case 0x18c: map_key_clear(KEY_VOICEMAIL); break;
644 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break;
645 case 0x18e: map_key_clear(KEY_CALENDAR); break;
646 case 0x191: map_key_clear(KEY_FINANCE); break;
647 case 0x192: map_key_clear(KEY_CALC); break;
648 case 0x194: map_key_clear(KEY_FILE); break;
649 case 0x196: map_key_clear(KEY_WWW); break;
650 case 0x19c: map_key_clear(KEY_LOGOFF); break;
651 case 0x19e: map_key_clear(KEY_COFFEE); break;
652 case 0x1a6: map_key_clear(KEY_HELP); break;
653 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
654 case 0x1ab: map_key_clear(KEY_SPELLCHECK); break;
655 case 0x1b6: map_key_clear(KEY_MEDIA); break;
656 case 0x1b7: map_key_clear(KEY_SOUND); break;
657 case 0x1bc: map_key_clear(KEY_MESSENGER); break;
658 case 0x1bd: map_key_clear(KEY_INFO); break;
659 case 0x201: map_key_clear(KEY_NEW); break;
660 case 0x202: map_key_clear(KEY_OPEN); break;
661 case 0x203: map_key_clear(KEY_CLOSE); break;
662 case 0x204: map_key_clear(KEY_EXIT); break;
663 case 0x207: map_key_clear(KEY_SAVE); break;
664 case 0x208: map_key_clear(KEY_PRINT); break;
665 case 0x209: map_key_clear(KEY_PROPS); break;
666 case 0x21a: map_key_clear(KEY_UNDO); break;
667 case 0x21b: map_key_clear(KEY_COPY); break;
668 case 0x21c: map_key_clear(KEY_CUT); break;
669 case 0x21d: map_key_clear(KEY_PASTE); break;
670 case 0x21f: map_key_clear(KEY_FIND); break;
671 case 0x221: map_key_clear(KEY_SEARCH); break;
672 case 0x222: map_key_clear(KEY_GOTO); break;
673 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
674 case 0x224: map_key_clear(KEY_BACK); break;
675 case 0x225: map_key_clear(KEY_FORWARD); break;
676 case 0x226: map_key_clear(KEY_STOP); break;
677 case 0x227: map_key_clear(KEY_REFRESH); break;
678 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
679 case 0x22d: map_key_clear(KEY_ZOOMIN); break;
680 case 0x22e: map_key_clear(KEY_ZOOMOUT); break;
681 case 0x22f: map_key_clear(KEY_ZOOMRESET); break;
682 case 0x233: map_key_clear(KEY_SCROLLUP); break;
683 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
684 case 0x238: map_rel(REL_HWHEEL); break;
685 case 0x25f: map_key_clear(KEY_CANCEL); break;
686 case 0x279: map_key_clear(KEY_REDO); break;
687
688 case 0x289: map_key_clear(KEY_REPLY); break;
689 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
690 case 0x28c: map_key_clear(KEY_SEND); break;
691
692 /* Reported on a Cherry Cymotion keyboard */
693 case 0x301: map_key_clear(KEY_PROG1); break;
694 case 0x302: map_key_clear(KEY_PROG2); break;
695 case 0x303: map_key_clear(KEY_PROG3); break;
696
697 /* Reported on certain Logitech wireless keyboards */
698 case 0x1001: map_key_clear(KEY_MESSENGER); break;
699 case 0x1003: map_key_clear(KEY_SOUND); break;
700 case 0x1004: map_key_clear(KEY_VIDEO); break;
701 case 0x1005: map_key_clear(KEY_AUDIO); break;
702 case 0x100a: map_key_clear(KEY_DOCUMENTS); break;
703 case 0x1011: map_key_clear(KEY_PREVIOUSSONG); break;
704 case 0x1012: map_key_clear(KEY_NEXTSONG); break;
705 case 0x1013: map_key_clear(KEY_CAMERA); break;
706 case 0x1014: map_key_clear(KEY_MESSENGER); break;
707 case 0x1015: map_key_clear(KEY_RECORD); break;
708 case 0x1016: map_key_clear(KEY_PLAYER); break;
709 case 0x1017: map_key_clear(KEY_EJECTCD); break;
710 case 0x1018: map_key_clear(KEY_MEDIA); break;
711 case 0x1019: map_key_clear(KEY_PROG1); break;
712 case 0x101a: map_key_clear(KEY_PROG2); break;
713 case 0x101b: map_key_clear(KEY_PROG3); break;
714 case 0x101f: map_key_clear(KEY_ZOOMIN); break;
715 case 0x1020: map_key_clear(KEY_ZOOMOUT); break;
716 case 0x1021: map_key_clear(KEY_ZOOMRESET); break;
717 case 0x1023: map_key_clear(KEY_CLOSE); break;
718 case 0x1027: map_key_clear(KEY_MENU); break;
719 /* this one is marked as 'Rotate' */
720 case 0x1028: map_key_clear(KEY_ANGLE); break;
721 case 0x1029: map_key_clear(KEY_SHUFFLE); break;
722 case 0x102a: map_key_clear(KEY_BACK); break;
723 case 0x102b: map_key_clear(KEY_CYCLEWINDOWS); break;
724 case 0x1041: map_key_clear(KEY_BATTERY); break;
725 case 0x1042: map_key_clear(KEY_WORDPROCESSOR); break;
726 case 0x1043: map_key_clear(KEY_SPREADSHEET); break;
727 case 0x1044: map_key_clear(KEY_PRESENTATION); break;
728 case 0x1045: map_key_clear(KEY_UNDO); break;
729 case 0x1046: map_key_clear(KEY_REDO); break;
730 case 0x1047: map_key_clear(KEY_PRINT); break;
731 case 0x1048: map_key_clear(KEY_SAVE); break;
732 case 0x1049: map_key_clear(KEY_PROG1); break;
733 case 0x104a: map_key_clear(KEY_PROG2); break;
734 case 0x104b: map_key_clear(KEY_PROG3); break;
735 case 0x104c: map_key_clear(KEY_PROG4); break;
736
737 default: goto ignore;
738 }
739 break;
740
741 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
742
743 set_bit(EV_REP, input->evbit);
744 switch (usage->hid & HID_USAGE) {
745 case 0x021: map_key_clear(KEY_PRINT); break;
746 case 0x070: map_key_clear(KEY_HP); break;
747 case 0x071: map_key_clear(KEY_CAMERA); break;
748 case 0x072: map_key_clear(KEY_SOUND); break;
749 case 0x073: map_key_clear(KEY_QUESTION); break;
750 case 0x080: map_key_clear(KEY_EMAIL); break;
751 case 0x081: map_key_clear(KEY_CHAT); break;
752 case 0x082: map_key_clear(KEY_SEARCH); break;
753 case 0x083: map_key_clear(KEY_CONNECT); break;
754 case 0x084: map_key_clear(KEY_FINANCE); break;
755 case 0x085: map_key_clear(KEY_SPORT); break;
756 case 0x086: map_key_clear(KEY_SHOP); break;
757 default: goto ignore;
758 }
759 break;
760
761 case HID_UP_MSVENDOR:
762
763 /* Unfortunately, there are multiple devices which
764 * emit usages from MSVENDOR page that require different
765 * handling. If this list grows too much in the future,
766 * more general handling will have to be introduced here
767 * (i.e. another blacklist).
768 */
769
770 /* Chicony Chicony KU-0418 tactical pad */
771 if (IS_CHICONY_TACTICAL_PAD(device)) {
772 set_bit(EV_REP, input->evbit);
773 switch(usage->hid & HID_USAGE) {
774 case 0xff01: map_key_clear(BTN_1); break;
775 case 0xff02: map_key_clear(BTN_2); break;
776 case 0xff03: map_key_clear(BTN_3); break;
777 case 0xff04: map_key_clear(BTN_4); break;
778 case 0xff05: map_key_clear(BTN_5); break;
779 case 0xff06: map_key_clear(BTN_6); break;
780 case 0xff07: map_key_clear(BTN_7); break;
781 case 0xff08: map_key_clear(BTN_8); break;
782 case 0xff09: map_key_clear(BTN_9); break;
783 case 0xff0a: map_key_clear(BTN_A); break;
784 case 0xff0b: map_key_clear(BTN_B); break;
785 default: goto ignore;
786 }
787
788 /* Microsoft Natural Ergonomic Keyboard 4000 */
789 } else if (IS_MS_KB(device)) {
790 switch(usage->hid & HID_USAGE) {
791 case 0xfd06:
792 map_key_clear(KEY_CHAT);
793 break;
794 case 0xfd07:
795 map_key_clear(KEY_PHONE);
796 break;
797 case 0xff05:
798 set_bit(EV_REP, input->evbit);
799 map_key_clear(KEY_F13);
800 set_bit(KEY_F14, input->keybit);
801 set_bit(KEY_F15, input->keybit);
802 set_bit(KEY_F16, input->keybit);
803 set_bit(KEY_F17, input->keybit);
804 set_bit(KEY_F18, input->keybit);
805 default: goto ignore;
806 }
807
808 /* Microsoft Wireless Notebook Presenter Mouse 8000 */
809 } else if (IS_MS_PRESENTER_8000(device)) {
810 set_bit(EV_REP, input->evbit);
811 switch(usage->hid & HID_USAGE) {
812 /* Useful mappings of bottom-side keys for presentations */
813 case 0xfd08: map_key_clear(KEY_RIGHT); break;
814 case 0xfd09: map_key_clear(KEY_LEFT); break;
815 case 0xfd0b: map_key_clear(KEY_PAUSE); break;
816 case 0xfd0f: map_key_clear(KEY_F5); break;
817 default: goto ignore;
818 }
819 } else
820 goto ignore;
821 break;
822
823 case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */
824
825 set_bit(EV_REP, input->evbit);
826 switch(usage->hid & HID_USAGE) {
827 case 0x003:
828 /* The fn key on Apple USB keyboards */
829 map_key_clear(KEY_FN);
830 hidinput_apple_setup(input);
831 break;
832
833 default: goto ignore;
834 }
835 break;
836
837 case HID_UP_LOGIVENDOR:
838 set_bit(EV_REP, input->evbit);
839 switch(usage->hid & HID_USAGE) {
840 /* Reported on Logitech Ultra X Media Remote */
841 case 0x004: map_key_clear(KEY_AGAIN); break;
842 case 0x00d: map_key_clear(KEY_HOME); break;
843 case 0x024: map_key_clear(KEY_SHUFFLE); break;
844 case 0x025: map_key_clear(KEY_TV); break;
845 case 0x026: map_key_clear(KEY_MENU); break;
846 case 0x031: map_key_clear(KEY_AUDIO); break;
847 case 0x032: map_key_clear(KEY_TEXT); break;
848 case 0x033: map_key_clear(KEY_LAST); break;
849 case 0x047: map_key_clear(KEY_MP3); break;
850 case 0x048: map_key_clear(KEY_DVD); break;
851 case 0x049: map_key_clear(KEY_MEDIA); break;
852 case 0x04a: map_key_clear(KEY_VIDEO); break;
853 case 0x04b: map_key_clear(KEY_ANGLE); break;
854 case 0x04c: map_key_clear(KEY_LANGUAGE); break;
855 case 0x04d: map_key_clear(KEY_SUBTITLE); break;
856 case 0x051: map_key_clear(KEY_RED); break;
857 case 0x052: map_key_clear(KEY_CLOSE); break;
858
859 /* Reported on Petalynx Maxter remote */
860 case 0x05a: map_key_clear(KEY_TEXT); break;
861 case 0x05b: map_key_clear(KEY_RED); break;
862 case 0x05c: map_key_clear(KEY_GREEN); break;
863 case 0x05d: map_key_clear(KEY_YELLOW); break;
864 case 0x05e: map_key_clear(KEY_BLUE); break;
865
866 default: goto ignore;
867 }
868 break;
869
870 case HID_UP_PID:
871
872 switch(usage->hid & HID_USAGE) {
873 case 0xa4: map_key_clear(BTN_DEAD); break;
874 default: goto ignore;
875 }
876 break;
877
878 default:
879 unknown:
880 if (field->report_size == 1) {
881 if (field->report->type == HID_OUTPUT_REPORT) {
882 map_led(LED_MISC);
883 break;
884 }
885 map_key(BTN_MISC);
886 break;
887 }
888 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
889 map_rel(REL_MISC);
890 break;
891 }
892 map_abs(ABS_MISC);
893 break;
894 }
895
896 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
897 if (usage->hid == HID_GD_Z)
898 map_rel(REL_HWHEEL);
899 else if (usage->code == BTN_1)
900 map_key(BTN_2);
901 else if (usage->code == BTN_2)
902 map_key(BTN_1);
903 }
904
905 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
906 (usage->type == EV_REL) && (usage->code == REL_WHEEL))
907 set_bit(REL_HWHEEL, bit);
908
909 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
910 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
911 goto ignore;
912
913 if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
914 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
915 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
916
917 set_bit(usage->type, input->evbit);
918
919 if (device->quirks & HID_QUIRK_DUPLICATE_USAGES &&
920 (usage->type == EV_KEY ||
921 usage->type == EV_REL ||
922 usage->type == EV_ABS))
923 clear_bit(usage->code, bit);
924
925 while (usage->code <= max && test_and_set_bit(usage->code, bit))
926 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
927
928 if (usage->code > max)
929 goto ignore;
930
931
932 if (usage->type == EV_ABS) {
933
934 int a = field->logical_minimum;
935 int b = field->logical_maximum;
936
937 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
938 a = field->logical_minimum = 0;
939 b = field->logical_maximum = 255;
940 }
941
942 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
943 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
944 else input_set_abs_params(input, usage->code, a, b, 0, 0);
945
946 }
947
948 if (usage->type == EV_ABS &&
949 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
950 int i;
951 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
952 input_set_abs_params(input, i, -1, 1, 0, 0);
953 set_bit(i, input->absbit);
954 }
955 if (usage->hat_dir && !field->dpad)
956 field->dpad = usage->code;
957 }
958
959 /* for those devices which produce Consumer volume usage as relative,
960 * we emulate pressing volumeup/volumedown appropriate number of times
961 * in hidinput_hid_event()
962 */
963 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
964 (usage->code == ABS_VOLUME)) {
965 set_bit(KEY_VOLUMEUP, input->keybit);
966 set_bit(KEY_VOLUMEDOWN, input->keybit);
967 }
968
969 if (usage->type == EV_KEY) {
970 set_bit(EV_MSC, input->evbit);
971 set_bit(MSC_SCAN, input->mscbit);
972 }
973
974 hid_resolv_event(usage->type, usage->code);
975
976 dbg_hid_line("\n");
977
978 return;
979
980 ignore:
981 dbg_hid_line("IGNORED\n");
982 return;
983 }
984
985 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
986 {
987 struct input_dev *input;
988 unsigned *quirks = &hid->quirks;
989
990 if (!field->hidinput)
991 return;
992
993 input = field->hidinput->input;
994
995 if (!usage->type)
996 return;
997
998 if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
999 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
1000 if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
1001 else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
1002 return;
1003 }
1004
1005 if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
1006 input_event(input, usage->type, usage->code, -value);
1007 return;
1008 }
1009
1010 if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
1011 input_event(input, usage->type, REL_HWHEEL, value);
1012 return;
1013 }
1014
1015 if ((hid->quirks & HID_QUIRK_APPLE_HAS_FN) && hidinput_apple_event(hid, input, usage, value))
1016 return;
1017
1018 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
1019 int hat_dir = usage->hat_dir;
1020 if (!hat_dir)
1021 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
1022 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
1023 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
1024 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
1025 return;
1026 }
1027
1028 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
1029 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
1030 return;
1031 }
1032
1033 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
1034 if (value) {
1035 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
1036 return;
1037 }
1038 input_event(input, usage->type, usage->code, 0);
1039 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
1040 return;
1041 }
1042
1043 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
1044 int a = field->logical_minimum;
1045 int b = field->logical_maximum;
1046 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
1047 }
1048
1049 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
1050 dbg_hid("Maximum Effects - %d\n",value);
1051 return;
1052 }
1053
1054 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
1055 dbg_hid("PID Pool Report\n");
1056 return;
1057 }
1058
1059 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
1060 return;
1061
1062 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
1063 (usage->code == ABS_VOLUME)) {
1064 int count = abs(value);
1065 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
1066 int i;
1067
1068 for (i = 0; i < count; i++) {
1069 input_event(input, EV_KEY, direction, 1);
1070 input_sync(input);
1071 input_event(input, EV_KEY, direction, 0);
1072 input_sync(input);
1073 }
1074 return;
1075 }
1076
1077 /* Handling MS keyboards special buttons */
1078 if (IS_MS_KB(hid) && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
1079 int key = 0;
1080 static int last_key = 0;
1081 switch (value) {
1082 case 0x01: key = KEY_F14; break;
1083 case 0x02: key = KEY_F15; break;
1084 case 0x04: key = KEY_F16; break;
1085 case 0x08: key = KEY_F17; break;
1086 case 0x10: key = KEY_F18; break;
1087 default: break;
1088 }
1089 if (key) {
1090 input_event(input, usage->type, key, 1);
1091 last_key = key;
1092 } else {
1093 input_event(input, usage->type, last_key, 0);
1094 }
1095 }
1096 /* report the usage code as scancode if the key status has changed */
1097 if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
1098 input_event(input, EV_MSC, MSC_SCAN, usage->hid);
1099
1100 input_event(input, usage->type, usage->code, value);
1101
1102 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
1103 input_event(input, usage->type, usage->code, 0);
1104 }
1105
1106 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
1107 {
1108 struct hid_input *hidinput;
1109
1110 list_for_each_entry(hidinput, &hid->inputs, list)
1111 input_sync(hidinput->input);
1112 }
1113 EXPORT_SYMBOL_GPL(hidinput_report_event);
1114
1115 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
1116 {
1117 struct hid_report *report;
1118 int i, j;
1119
1120 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
1121 for (i = 0; i < report->maxfield; i++) {
1122 *field = report->field[i];
1123 for (j = 0; j < (*field)->maxusage; j++)
1124 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
1125 return j;
1126 }
1127 }
1128 return -1;
1129 }
1130 EXPORT_SYMBOL_GPL(hidinput_find_field);
1131
1132 static int hidinput_open(struct input_dev *dev)
1133 {
1134 struct hid_device *hid = input_get_drvdata(dev);
1135
1136 return hid->hid_open(hid);
1137 }
1138
1139 static void hidinput_close(struct input_dev *dev)
1140 {
1141 struct hid_device *hid = input_get_drvdata(dev);
1142
1143 hid->hid_close(hid);
1144 }
1145
1146 /*
1147 * Register the input device; print a message.
1148 * Configure the input layer interface
1149 * Read all reports and initialize the absolute field values.
1150 */
1151
1152 int hidinput_connect(struct hid_device *hid)
1153 {
1154 struct hid_report *report;
1155 struct hid_input *hidinput = NULL;
1156 struct input_dev *input_dev;
1157 int i, j, k;
1158 int max_report_type = HID_OUTPUT_REPORT;
1159
1160 if (hid->quirks & HID_QUIRK_IGNORE_HIDINPUT)
1161 return -1;
1162
1163 INIT_LIST_HEAD(&hid->inputs);
1164
1165 for (i = 0; i < hid->maxcollection; i++)
1166 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
1167 hid->collection[i].type == HID_COLLECTION_PHYSICAL)
1168 if (IS_INPUT_APPLICATION(hid->collection[i].usage))
1169 break;
1170
1171 if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0)
1172 return -1;
1173
1174 if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
1175 max_report_type = HID_INPUT_REPORT;
1176
1177 for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
1178 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
1179
1180 if (!report->maxfield)
1181 continue;
1182
1183 if (!hidinput) {
1184 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
1185 input_dev = input_allocate_device();
1186 if (!hidinput || !input_dev) {
1187 kfree(hidinput);
1188 input_free_device(input_dev);
1189 err_hid("Out of memory during hid input probe");
1190 goto out_unwind;
1191 }
1192
1193 input_set_drvdata(input_dev, hid);
1194 input_dev->event = hid->hidinput_input_event;
1195 input_dev->open = hidinput_open;
1196 input_dev->close = hidinput_close;
1197 input_dev->setkeycode = hidinput_setkeycode;
1198 input_dev->getkeycode = hidinput_getkeycode;
1199
1200 input_dev->name = hid->name;
1201 input_dev->phys = hid->phys;
1202 input_dev->uniq = hid->uniq;
1203 input_dev->id.bustype = hid->bus;
1204 input_dev->id.vendor = hid->vendor;
1205 input_dev->id.product = hid->product;
1206 input_dev->id.version = hid->version;
1207 input_dev->dev.parent = hid->dev;
1208 hidinput->input = input_dev;
1209 list_add_tail(&hidinput->list, &hid->inputs);
1210 }
1211
1212 for (i = 0; i < report->maxfield; i++)
1213 for (j = 0; j < report->field[i]->maxusage; j++)
1214 hidinput_configure_usage(hidinput, report->field[i],
1215 report->field[i]->usage + j);
1216
1217 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1218 /* This will leave hidinput NULL, so that it
1219 * allocates another one if we have more inputs on
1220 * the same interface. Some devices (e.g. Happ's
1221 * UGCI) cram a lot of unrelated inputs into the
1222 * same interface. */
1223 hidinput->report = report;
1224 if (input_register_device(hidinput->input))
1225 goto out_cleanup;
1226 hidinput = NULL;
1227 }
1228 }
1229
1230 if (hidinput && input_register_device(hidinput->input))
1231 goto out_cleanup;
1232
1233 return 0;
1234
1235 out_cleanup:
1236 input_free_device(hidinput->input);
1237 kfree(hidinput);
1238 out_unwind:
1239 /* unwind the ones we already registered */
1240 hidinput_disconnect(hid);
1241
1242 return -1;
1243 }
1244 EXPORT_SYMBOL_GPL(hidinput_connect);
1245
1246 void hidinput_disconnect(struct hid_device *hid)
1247 {
1248 struct hid_input *hidinput, *next;
1249
1250 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1251 list_del(&hidinput->list);
1252 input_unregister_device(hidinput->input);
1253 kfree(hidinput);
1254 }
1255 }
1256 EXPORT_SYMBOL_GPL(hidinput_disconnect);
1257
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