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HID: refactor mapping to input subsystem for quirky devices
[wandboard.git] / drivers / hid / hid-input.c
blob3d448037c82fc9b4cc726c857e6cab7800793b97
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, ret;
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 ret = hidinput_mapping_quirks(usage, input, bit, &max);
390 if (ret)
391 goto mapped;
392
393 switch (usage->hid & HID_USAGE_PAGE) {
394
395 case HID_UP_UNDEFINED:
396 goto ignore;
397
398 case HID_UP_KEYBOARD:
399
400 set_bit(EV_REP, input->evbit);
401
402 if ((usage->hid & HID_USAGE) < 256) {
403 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
404 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
405 } else
406 map_key(KEY_UNKNOWN);
407
408 break;
409
410 case HID_UP_BUTTON:
411
412 code = ((usage->hid - 1) & 0xf);
413
414 switch (field->application) {
415 case HID_GD_MOUSE:
416 case HID_GD_POINTER: code += 0x110; break;
417 case HID_GD_JOYSTICK: code += 0x120; break;
418 case HID_GD_GAMEPAD: code += 0x130; break;
419 default:
420 switch (field->physical) {
421 case HID_GD_MOUSE:
422 case HID_GD_POINTER: code += 0x110; break;
423 case HID_GD_JOYSTICK: code += 0x120; break;
424 case HID_GD_GAMEPAD: code += 0x130; break;
425 default: code += 0x100;
426 }
427 }
428
429 /* Special handling for Logitech Cordless Desktop */
430 if (field->application != HID_GD_MOUSE) {
431 if (device->quirks & HID_QUIRK_LOGITECH_EXPANDED_KEYMAP) {
432 int hid = usage->hid & HID_USAGE;
433 if (hid < LOGITECH_EXPANDED_KEYMAP_SIZE && logitech_expanded_keymap[hid] != 0)
434 code = logitech_expanded_keymap[hid];
435 }
436 } else {
437 if (device->quirks & HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL) {
438 int hid = usage->hid & HID_USAGE;
439 if (hid == 7 || hid == 8)
440 goto ignore;
441 }
442 }
443
444 map_key(code);
445 break;
446
447
448 case HID_UP_SIMULATION:
449
450 switch (usage->hid & 0xffff) {
451 case 0xba: map_abs(ABS_RUDDER); break;
452 case 0xbb: map_abs(ABS_THROTTLE); break;
453 case 0xc4: map_abs(ABS_GAS); break;
454 case 0xc5: map_abs(ABS_BRAKE); break;
455 case 0xc8: map_abs(ABS_WHEEL); break;
456 default: goto ignore;
457 }
458 break;
459
460 case HID_UP_GENDESK:
461
462 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
463 switch (usage->hid & 0xf) {
464 case 0x1: map_key_clear(KEY_POWER); break;
465 case 0x2: map_key_clear(KEY_SLEEP); break;
466 case 0x3: map_key_clear(KEY_WAKEUP); break;
467 default: goto unknown;
468 }
469 break;
470 }
471
472 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
473 switch (usage->hid) {
474 case HID_GD_UP: usage->hat_dir = 1; break;
475 case HID_GD_DOWN: usage->hat_dir = 5; break;
476 case HID_GD_RIGHT: usage->hat_dir = 3; break;
477 case HID_GD_LEFT: usage->hat_dir = 7; break;
478 default: goto unknown;
479 }
480 if (field->dpad) {
481 map_abs(field->dpad);
482 goto ignore;
483 }
484 map_abs(ABS_HAT0X);
485 break;
486 }
487
488 switch (usage->hid) {
489
490 /* These usage IDs map directly to the usage codes. */
491 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
492 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
493 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
494 if (field->flags & HID_MAIN_ITEM_RELATIVE)
495 map_rel(usage->hid & 0xf);
496 else
497 map_abs(usage->hid & 0xf);
498 break;
499
500 case HID_GD_HATSWITCH:
501 usage->hat_min = field->logical_minimum;
502 usage->hat_max = field->logical_maximum;
503 map_abs(ABS_HAT0X);
504 break;
505
506 case HID_GD_START: map_key_clear(BTN_START); break;
507 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
508
509 default: goto unknown;
510 }
511
512 break;
513
514 case HID_UP_LED:
515
516 switch (usage->hid & 0xffff) { /* HID-Value: */
517 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */
518 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */
519 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */
520 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */
521 case 0x05: map_led (LED_KANA); break; /* "Kana" */
522 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */
523 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */
524 case 0x09: map_led (LED_MUTE); break; /* "Mute" */
525 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */
526 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */
527 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */
528
529 default: goto ignore;
530 }
531 break;
532
533 case HID_UP_DIGITIZER:
534
535 switch (usage->hid & 0xff) {
536
537 case 0x30: /* TipPressure */
538 if (!test_bit(BTN_TOUCH, input->keybit)) {
539 device->quirks |= HID_QUIRK_NOTOUCH;
540 set_bit(EV_KEY, input->evbit);
541 set_bit(BTN_TOUCH, input->keybit);
542 }
543
544 map_abs_clear(ABS_PRESSURE);
545 break;
546
547 case 0x32: /* InRange */
548 switch (field->physical & 0xff) {
549 case 0x21: map_key(BTN_TOOL_MOUSE); break;
550 case 0x22: map_key(BTN_TOOL_FINGER); break;
551 default: map_key(BTN_TOOL_PEN); break;
552 }
553 break;
554
555 case 0x3c: /* Invert */
556 map_key_clear(BTN_TOOL_RUBBER);
557 break;
558
559 case 0x33: /* Touch */
560 case 0x42: /* TipSwitch */
561 case 0x43: /* TipSwitch2 */
562 device->quirks &= ~HID_QUIRK_NOTOUCH;
563 map_key_clear(BTN_TOUCH);
564 break;
565
566 case 0x44: /* BarrelSwitch */
567 map_key_clear(BTN_STYLUS);
568 break;
569
570 default: goto unknown;
571 }
572 break;
573
574 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
575
576 switch (usage->hid & HID_USAGE) {
577 case 0x000: goto ignore;
578 case 0x034: map_key_clear(KEY_SLEEP); break;
579 case 0x036: map_key_clear(BTN_MISC); break;
580
581 case 0x040: map_key_clear(KEY_MENU); break;
582 case 0x045: map_key_clear(KEY_RADIO); break;
583
584 case 0x083: map_key_clear(KEY_LAST); break;
585 case 0x088: map_key_clear(KEY_PC); break;
586 case 0x089: map_key_clear(KEY_TV); break;
587 case 0x08a: map_key_clear(KEY_WWW); break;
588 case 0x08b: map_key_clear(KEY_DVD); break;
589 case 0x08c: map_key_clear(KEY_PHONE); break;
590 case 0x08d: map_key_clear(KEY_PROGRAM); break;
591 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break;
592 case 0x08f: map_key_clear(KEY_GAMES); break;
593 case 0x090: map_key_clear(KEY_MEMO); break;
594 case 0x091: map_key_clear(KEY_CD); break;
595 case 0x092: map_key_clear(KEY_VCR); break;
596 case 0x093: map_key_clear(KEY_TUNER); break;
597 case 0x094: map_key_clear(KEY_EXIT); break;
598 case 0x095: map_key_clear(KEY_HELP); break;
599 case 0x096: map_key_clear(KEY_TAPE); break;
600 case 0x097: map_key_clear(KEY_TV2); break;
601 case 0x098: map_key_clear(KEY_SAT); break;
602 case 0x09a: map_key_clear(KEY_PVR); break;
603
604 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
605 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
606 case 0x0a0: map_key_clear(KEY_VCR2); break;
607
608 case 0x0b0: map_key_clear(KEY_PLAY); break;
609 case 0x0b1: map_key_clear(KEY_PAUSE); break;
610 case 0x0b2: map_key_clear(KEY_RECORD); break;
611 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
612 case 0x0b4: map_key_clear(KEY_REWIND); break;
613 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
614 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
615 case 0x0b7: map_key_clear(KEY_STOPCD); break;
616 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
617
618 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
619 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
620 case 0x0e2: map_key_clear(KEY_MUTE); break;
621 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
622 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
623 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
624
625 case 0x182: map_key_clear(KEY_BOOKMARKS); break;
626 case 0x183: map_key_clear(KEY_CONFIG); break;
627 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
628 case 0x185: map_key_clear(KEY_EDITOR); break;
629 case 0x186: map_key_clear(KEY_SPREADSHEET); break;
630 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break;
631 case 0x188: map_key_clear(KEY_PRESENTATION); break;
632 case 0x189: map_key_clear(KEY_DATABASE); break;
633 case 0x18a: map_key_clear(KEY_MAIL); break;
634 case 0x18b: map_key_clear(KEY_NEWS); break;
635 case 0x18c: map_key_clear(KEY_VOICEMAIL); break;
636 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break;
637 case 0x18e: map_key_clear(KEY_CALENDAR); break;
638 case 0x191: map_key_clear(KEY_FINANCE); break;
639 case 0x192: map_key_clear(KEY_CALC); break;
640 case 0x194: map_key_clear(KEY_FILE); break;
641 case 0x196: map_key_clear(KEY_WWW); break;
642 case 0x19c: map_key_clear(KEY_LOGOFF); break;
643 case 0x19e: map_key_clear(KEY_COFFEE); break;
644 case 0x1a6: map_key_clear(KEY_HELP); break;
645 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
646 case 0x1ab: map_key_clear(KEY_SPELLCHECK); break;
647 case 0x1b6: map_key_clear(KEY_MEDIA); break;
648 case 0x1b7: map_key_clear(KEY_SOUND); break;
649 case 0x1bc: map_key_clear(KEY_MESSENGER); break;
650 case 0x1bd: map_key_clear(KEY_INFO); break;
651 case 0x201: map_key_clear(KEY_NEW); break;
652 case 0x202: map_key_clear(KEY_OPEN); break;
653 case 0x203: map_key_clear(KEY_CLOSE); break;
654 case 0x204: map_key_clear(KEY_EXIT); break;
655 case 0x207: map_key_clear(KEY_SAVE); break;
656 case 0x208: map_key_clear(KEY_PRINT); break;
657 case 0x209: map_key_clear(KEY_PROPS); break;
658 case 0x21a: map_key_clear(KEY_UNDO); break;
659 case 0x21b: map_key_clear(KEY_COPY); break;
660 case 0x21c: map_key_clear(KEY_CUT); break;
661 case 0x21d: map_key_clear(KEY_PASTE); break;
662 case 0x21f: map_key_clear(KEY_FIND); break;
663 case 0x221: map_key_clear(KEY_SEARCH); break;
664 case 0x222: map_key_clear(KEY_GOTO); break;
665 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
666 case 0x224: map_key_clear(KEY_BACK); break;
667 case 0x225: map_key_clear(KEY_FORWARD); break;
668 case 0x226: map_key_clear(KEY_STOP); break;
669 case 0x227: map_key_clear(KEY_REFRESH); break;
670 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
671 case 0x22d: map_key_clear(KEY_ZOOMIN); break;
672 case 0x22e: map_key_clear(KEY_ZOOMOUT); break;
673 case 0x22f: map_key_clear(KEY_ZOOMRESET); break;
674 case 0x233: map_key_clear(KEY_SCROLLUP); break;
675 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
676 case 0x238: map_rel(REL_HWHEEL); break;
677 case 0x25f: map_key_clear(KEY_CANCEL); break;
678 case 0x279: map_key_clear(KEY_REDO); break;
679
680 case 0x289: map_key_clear(KEY_REPLY); break;
681 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
682 case 0x28c: map_key_clear(KEY_SEND); break;
683
684 default: goto ignore;
685 }
686 break;
687
688 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
689
690 set_bit(EV_REP, input->evbit);
691 switch (usage->hid & HID_USAGE) {
692 case 0x021: map_key_clear(KEY_PRINT); break;
693 case 0x070: map_key_clear(KEY_HP); break;
694 case 0x071: map_key_clear(KEY_CAMERA); break;
695 case 0x072: map_key_clear(KEY_SOUND); break;
696 case 0x073: map_key_clear(KEY_QUESTION); break;
697 case 0x080: map_key_clear(KEY_EMAIL); break;
698 case 0x081: map_key_clear(KEY_CHAT); break;
699 case 0x082: map_key_clear(KEY_SEARCH); break;
700 case 0x083: map_key_clear(KEY_CONNECT); break;
701 case 0x084: map_key_clear(KEY_FINANCE); break;
702 case 0x085: map_key_clear(KEY_SPORT); break;
703 case 0x086: map_key_clear(KEY_SHOP); break;
704 default: goto ignore;
705 }
706 break;
707
708 case HID_UP_MSVENDOR:
709
710 goto ignore;
711
712 case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */
713
714 set_bit(EV_REP, input->evbit);
715 switch(usage->hid & HID_USAGE) {
716 case 0x003:
717 /* The fn key on Apple USB keyboards */
718 map_key_clear(KEY_FN);
719 hidinput_apple_setup(input);
720 break;
721
722 default: goto ignore;
723 }
724 break;
725
726 case HID_UP_LOGIVENDOR:
727
728 goto ignore;
729
730 case HID_UP_PID:
731
732 switch(usage->hid & HID_USAGE) {
733 case 0xa4: map_key_clear(BTN_DEAD); break;
734 default: goto ignore;
735 }
736 break;
737
738 default:
739 unknown:
740 if (field->report_size == 1) {
741 if (field->report->type == HID_OUTPUT_REPORT) {
742 map_led(LED_MISC);
743 break;
744 }
745 map_key(BTN_MISC);
746 break;
747 }
748 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
749 map_rel(REL_MISC);
750 break;
751 }
752 map_abs(ABS_MISC);
753 break;
754 }
755
756 mapped:
757 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
758 if (usage->hid == HID_GD_Z)
759 map_rel(REL_HWHEEL);
760 else if (usage->code == BTN_1)
761 map_key(BTN_2);
762 else if (usage->code == BTN_2)
763 map_key(BTN_1);
764 }
765
766 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5 |
767 HID_QUIRK_2WHEEL_MOUSE_HACK_B8)) && (usage->type == EV_REL) &&
768 (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 /* for those devices which produce Consumer volume usage as relative,
822 * we emulate pressing volumeup/volumedown appropriate number of times
823 * in hidinput_hid_event()
824 */
825 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
826 (usage->code == ABS_VOLUME)) {
827 set_bit(KEY_VOLUMEUP, input->keybit);
828 set_bit(KEY_VOLUMEDOWN, input->keybit);
829 }
830
831 if (usage->type == EV_KEY) {
832 set_bit(EV_MSC, input->evbit);
833 set_bit(MSC_SCAN, input->mscbit);
834 }
835
836 hid_resolv_event(usage->type, usage->code);
837
838 dbg_hid_line("\n");
839
840 return;
841
842 ignore:
843 dbg_hid_line("IGNORED\n");
844 return;
845 }
846
847 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
848 {
849 struct input_dev *input;
850 unsigned *quirks = &hid->quirks;
851
852 if (!field->hidinput)
853 return;
854
855 input = field->hidinput->input;
856
857 if (!usage->type)
858 return;
859
860 if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
861 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
862 if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
863 else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
864 return;
865 }
866
867 if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_B8) &&
868 (usage->type == EV_REL) &&
869 (usage->code == REL_WHEEL)) {
870 hid->delayed_value = value;
871 return;
872 }
873
874 if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_B8) &&
875 (usage->hid == 0x000100b8)) {
876 input_event(input, EV_REL, value ? REL_HWHEEL : REL_WHEEL, hid->delayed_value);
877 return;
878 }
879
880 if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
881 input_event(input, usage->type, usage->code, -value);
882 return;
883 }
884
885 if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
886 input_event(input, usage->type, REL_HWHEEL, value);
887 return;
888 }
889
890 if ((hid->quirks & HID_QUIRK_APPLE_HAS_FN) && hidinput_apple_event(hid, input, usage, value))
891 return;
892
893 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
894 int hat_dir = usage->hat_dir;
895 if (!hat_dir)
896 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
897 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
898 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
899 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
900 return;
901 }
902
903 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
904 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
905 return;
906 }
907
908 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
909 if (value) {
910 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
911 return;
912 }
913 input_event(input, usage->type, usage->code, 0);
914 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
915 return;
916 }
917
918 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
919 int a = field->logical_minimum;
920 int b = field->logical_maximum;
921 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
922 }
923
924 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
925 dbg_hid("Maximum Effects - %d\n",value);
926 return;
927 }
928
929 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
930 dbg_hid("PID Pool Report\n");
931 return;
932 }
933
934 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
935 return;
936
937 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
938 (usage->code == ABS_VOLUME)) {
939 int count = abs(value);
940 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
941 int i;
942
943 for (i = 0; i < count; i++) {
944 input_event(input, EV_KEY, direction, 1);
945 input_sync(input);
946 input_event(input, EV_KEY, direction, 0);
947 input_sync(input);
948 }
949 return;
950 }
951
952 /* Handling MS keyboards special buttons */
953 if (IS_MS_KB(hid) && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
954 int key = 0;
955 static int last_key = 0;
956 switch (value) {
957 case 0x01: key = KEY_F14; break;
958 case 0x02: key = KEY_F15; break;
959 case 0x04: key = KEY_F16; break;
960 case 0x08: key = KEY_F17; break;
961 case 0x10: key = KEY_F18; break;
962 default: break;
963 }
964 if (key) {
965 input_event(input, usage->type, key, 1);
966 last_key = key;
967 } else {
968 input_event(input, usage->type, last_key, 0);
969 }
970 }
971 /* report the usage code as scancode if the key status has changed */
972 if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
973 input_event(input, EV_MSC, MSC_SCAN, usage->hid);
974
975 input_event(input, usage->type, usage->code, value);
976
977 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
978 input_event(input, usage->type, usage->code, 0);
979 }
980
981 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
982 {
983 struct hid_input *hidinput;
984
985 list_for_each_entry(hidinput, &hid->inputs, list)
986 input_sync(hidinput->input);
987 }
988 EXPORT_SYMBOL_GPL(hidinput_report_event);
989
990 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
991 {
992 struct hid_report *report;
993 int i, j;
994
995 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
996 for (i = 0; i < report->maxfield; i++) {
997 *field = report->field[i];
998 for (j = 0; j < (*field)->maxusage; j++)
999 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
1000 return j;
1001 }
1002 }
1003 return -1;
1004 }
1005 EXPORT_SYMBOL_GPL(hidinput_find_field);
1006
1007 static int hidinput_open(struct input_dev *dev)
1008 {
1009 struct hid_device *hid = input_get_drvdata(dev);
1010
1011 return hid->hid_open(hid);
1012 }
1013
1014 static void hidinput_close(struct input_dev *dev)
1015 {
1016 struct hid_device *hid = input_get_drvdata(dev);
1017
1018 hid->hid_close(hid);
1019 }
1020
1021 /*
1022 * Register the input device; print a message.
1023 * Configure the input layer interface
1024 * Read all reports and initialize the absolute field values.
1025 */
1026
1027 int hidinput_connect(struct hid_device *hid)
1028 {
1029 struct hid_report *report;
1030 struct hid_input *hidinput = NULL;
1031 struct input_dev *input_dev;
1032 int i, j, k;
1033 int max_report_type = HID_OUTPUT_REPORT;
1034
1035 if (hid->quirks & HID_QUIRK_IGNORE_HIDINPUT)
1036 return -1;
1037
1038 INIT_LIST_HEAD(&hid->inputs);
1039
1040 for (i = 0; i < hid->maxcollection; i++)
1041 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
1042 hid->collection[i].type == HID_COLLECTION_PHYSICAL)
1043 if (IS_INPUT_APPLICATION(hid->collection[i].usage))
1044 break;
1045
1046 if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0)
1047 return -1;
1048
1049 if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
1050 max_report_type = HID_INPUT_REPORT;
1051
1052 for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
1053 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
1054
1055 if (!report->maxfield)
1056 continue;
1057
1058 if (!hidinput) {
1059 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
1060 input_dev = input_allocate_device();
1061 if (!hidinput || !input_dev) {
1062 kfree(hidinput);
1063 input_free_device(input_dev);
1064 err_hid("Out of memory during hid input probe");
1065 goto out_unwind;
1066 }
1067
1068 input_set_drvdata(input_dev, hid);
1069 input_dev->event = hid->hidinput_input_event;
1070 input_dev->open = hidinput_open;
1071 input_dev->close = hidinput_close;
1072 input_dev->setkeycode = hidinput_setkeycode;
1073 input_dev->getkeycode = hidinput_getkeycode;
1074
1075 input_dev->name = hid->name;
1076 input_dev->phys = hid->phys;
1077 input_dev->uniq = hid->uniq;
1078 input_dev->id.bustype = hid->bus;
1079 input_dev->id.vendor = hid->vendor;
1080 input_dev->id.product = hid->product;
1081 input_dev->id.version = hid->version;
1082 input_dev->dev.parent = hid->dev;
1083 hidinput->input = input_dev;
1084 list_add_tail(&hidinput->list, &hid->inputs);
1085 }
1086
1087 for (i = 0; i < report->maxfield; i++)
1088 for (j = 0; j < report->field[i]->maxusage; j++)
1089 hidinput_configure_usage(hidinput, report->field[i],
1090 report->field[i]->usage + j);
1091
1092 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1093 /* This will leave hidinput NULL, so that it
1094 * allocates another one if we have more inputs on
1095 * the same interface. Some devices (e.g. Happ's
1096 * UGCI) cram a lot of unrelated inputs into the
1097 * same interface. */
1098 hidinput->report = report;
1099 if (input_register_device(hidinput->input))
1100 goto out_cleanup;
1101 hidinput = NULL;
1102 }
1103 }
1104
1105 if (hidinput && input_register_device(hidinput->input))
1106 goto out_cleanup;
1107
1108 return 0;
1109
1110 out_cleanup:
1111 input_free_device(hidinput->input);
1112 kfree(hidinput);
1113 out_unwind:
1114 /* unwind the ones we already registered */
1115 hidinput_disconnect(hid);
1116
1117 return -1;
1118 }
1119 EXPORT_SYMBOL_GPL(hidinput_connect);
1120
1121 void hidinput_disconnect(struct hid_device *hid)
1122 {
1123 struct hid_input *hidinput, *next;
1124
1125 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1126 list_del(&hidinput->list);
1127 input_unregister_device(hidinput->input);
1128 kfree(hidinput);
1129 }
1130 }
1131 EXPORT_SYMBOL_GPL(hidinput_disconnect);
1132
WandBoard kernel