?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
HID: move usage input mapping to hid.h
[linux-2.6/mini2440.git] / drivers / hid / hid-input.c
blobbe2c7a8ad254101770978731f3f3498f418cf36e
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) hid_map_usage(hidinput, usage, &bit, &max, EV_ABS, (c))
80 #define map_rel(c) hid_map_usage(hidinput, usage, &bit, &max, EV_REL, (c))
81 #define map_key(c) hid_map_usage(hidinput, usage, &bit, &max, EV_KEY, (c))
82 #define map_led(c) hid_map_usage(hidinput, usage, &bit, &max, EV_LED, (c))
83
84 #define map_abs_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \
85 &max, EV_ABS, (c))
86 #define map_key_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \
87 &max, EV_KEY, (c))
88
89 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK
90
91 struct hidinput_key_translation {
92 u16 from;
93 u16 to;
94 u8 flags;
95 };
96
97 #define APPLE_FLAG_FKEY 0x01
98
99 static struct hidinput_key_translation apple_fn_keys[] = {
100 { KEY_BACKSPACE, KEY_DELETE },
101 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
102 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
103 { KEY_F3, KEY_FN_F5, APPLE_FLAG_FKEY }, /* Exposé */
104 { KEY_F4, KEY_FN_F4, APPLE_FLAG_FKEY }, /* Dashboard */
105 { KEY_F5, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY },
106 { KEY_F6, KEY_KBDILLUMUP, APPLE_FLAG_FKEY },
107 { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY },
108 { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY },
109 { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY },
110 { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY },
111 { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
112 { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
113 { KEY_UP, KEY_PAGEUP },
114 { KEY_DOWN, KEY_PAGEDOWN },
115 { KEY_LEFT, KEY_HOME },
116 { KEY_RIGHT, KEY_END },
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 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 (hid->quirks & HID_QUIRK_APPLE_NUMLOCK_EMULATION && (
224 test_bit(usage->code, hid->pb_pressed_numlock) ||
225 test_bit(LED_NUML, input->led))) {
226 trans = find_translation(powerbook_numlock_keys, usage->code);
227
228 if (trans) {
229 if (value)
230 set_bit(usage->code, hid->pb_pressed_numlock);
231 else
232 clear_bit(usage->code, hid->pb_pressed_numlock);
233
234 input_event(input, usage->type, trans->to, value);
235 }
236
237 return 1;
238 }
239 }
240
241 if (hid->quirks & HID_QUIRK_APPLE_ISO_KEYBOARD) {
242 trans = find_translation(apple_iso_keyboard, usage->code);
243 if (trans) {
244 input_event(input, usage->type, trans->to, value);
245 return 1;
246 }
247 }
248
249 return 0;
250 }
251
252 static void hidinput_apple_setup(struct input_dev *input)
253 {
254 struct hidinput_key_translation *trans;
255
256 set_bit(KEY_NUMLOCK, input->keybit);
257
258 /* Enable all needed keys */
259 for (trans = apple_fn_keys; trans->from; trans++)
260 set_bit(trans->to, input->keybit);
261
262 for (trans = powerbook_fn_keys; trans->from; trans++)
263 set_bit(trans->to, input->keybit);
264
265 for (trans = powerbook_numlock_keys; trans->from; trans++)
266 set_bit(trans->to, input->keybit);
267
268 for (trans = apple_iso_keyboard; trans->from; trans++)
269 set_bit(trans->to, input->keybit);
270
271 }
272 #else
273 inline int hidinput_apple_event(struct hid_device *hid,
274 struct input_dev *input,
275 struct hid_usage *usage, __s32 value)
276 {
277 return 0;
278 }
279
280 static inline void hidinput_apple_setup(struct input_dev *input)
281 {
282 }
283 #endif
284
285 static inline int match_scancode(int code, int scancode)
286 {
287 if (scancode == 0)
288 return 1;
289 return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode);
290 }
291
292 static inline int match_keycode(int code, int keycode)
293 {
294 if (keycode == 0)
295 return 1;
296 return (code == keycode);
297 }
298
299 static struct hid_usage *hidinput_find_key(struct hid_device *hid,
300 int scancode, int keycode)
301 {
302 int i, j, k;
303 struct hid_report *report;
304 struct hid_usage *usage;
305
306 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
307 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
308 for (i = 0; i < report->maxfield; i++) {
309 for ( j = 0; j < report->field[i]->maxusage; j++) {
310 usage = report->field[i]->usage + j;
311 if (usage->type == EV_KEY &&
312 match_scancode(usage->hid, scancode) &&
313 match_keycode(usage->code, keycode))
314 return usage;
315 }
316 }
317 }
318 }
319 return NULL;
320 }
321
322 static int hidinput_getkeycode(struct input_dev *dev, int scancode,
323 int *keycode)
324 {
325 struct hid_device *hid = input_get_drvdata(dev);
326 struct hid_usage *usage;
327
328 usage = hidinput_find_key(hid, scancode, 0);
329 if (usage) {
330 *keycode = usage->code;
331 return 0;
332 }
333 return -EINVAL;
334 }
335
336 static int hidinput_setkeycode(struct input_dev *dev, int scancode,
337 int keycode)
338 {
339 struct hid_device *hid = input_get_drvdata(dev);
340 struct hid_usage *usage;
341 int old_keycode;
342
343 if (keycode < 0 || keycode > KEY_MAX)
344 return -EINVAL;
345
346 usage = hidinput_find_key(hid, scancode, 0);
347 if (usage) {
348 old_keycode = usage->code;
349 usage->code = keycode;
350
351 clear_bit(old_keycode, dev->keybit);
352 set_bit(usage->code, dev->keybit);
353 dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode);
354 /* Set the keybit for the old keycode if the old keycode is used
355 * by another key */
356 if (hidinput_find_key (hid, 0, old_keycode))
357 set_bit(old_keycode, dev->keybit);
358
359 return 0;
360 }
361
362 return -EINVAL;
363 }
364
365
366 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
367 struct hid_usage *usage)
368 {
369 struct input_dev *input = hidinput->input;
370 struct hid_device *device = input_get_drvdata(input);
371 int max = 0, code, ret;
372 unsigned long *bit = NULL;
373
374 field->hidinput = hidinput;
375
376 dbg_hid("Mapping: ");
377 hid_resolv_usage(usage->hid);
378 dbg_hid_line(" ---> ");
379
380 if (field->flags & HID_MAIN_ITEM_CONSTANT)
381 goto ignore;
382
383 /* only LED usages are supported in output fields */
384 if (field->report_type == HID_OUTPUT_REPORT &&
385 (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
386 dbg_hid_line(" [non-LED output field] ");
387 goto ignore;
388 }
389
390 /* handle input mappings for quirky devices */
391 ret = hidinput_mapping_quirks(usage, hidinput, &bit, &max);
392 if (ret)
393 goto mapped;
394
395 if (device->driver->input_mapping) {
396 int ret = device->driver->input_mapping(device, hidinput, field,
397 usage, &bit, &max);
398 if (ret > 0)
399 goto mapped;
400 if (ret < 0)
401 goto ignore;
402 }
403
404 switch (usage->hid & HID_USAGE_PAGE) {
405
406 case HID_UP_UNDEFINED:
407 goto ignore;
408
409 case HID_UP_KEYBOARD:
410
411 set_bit(EV_REP, input->evbit);
412
413 if ((usage->hid & HID_USAGE) < 256) {
414 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
415 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
416 } else
417 map_key(KEY_UNKNOWN);
418
419 break;
420
421 case HID_UP_BUTTON:
422
423 code = ((usage->hid - 1) & 0xf);
424
425 switch (field->application) {
426 case HID_GD_MOUSE:
427 case HID_GD_POINTER: code += 0x110; break;
428 case HID_GD_JOYSTICK: code += 0x120; break;
429 case HID_GD_GAMEPAD: code += 0x130; break;
430 default:
431 switch (field->physical) {
432 case HID_GD_MOUSE:
433 case HID_GD_POINTER: code += 0x110; break;
434 case HID_GD_JOYSTICK: code += 0x120; break;
435 case HID_GD_GAMEPAD: code += 0x130; break;
436 default: code += 0x100;
437 }
438 }
439
440 /* Special handling for Logitech Cordless Desktop */
441 if (field->application != HID_GD_MOUSE) {
442 if (device->quirks & HID_QUIRK_LOGITECH_EXPANDED_KEYMAP) {
443 int hid = usage->hid & HID_USAGE;
444 if (hid < LOGITECH_EXPANDED_KEYMAP_SIZE && logitech_expanded_keymap[hid] != 0)
445 code = logitech_expanded_keymap[hid];
446 }
447 } else {
448 if (device->quirks & HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL) {
449 int hid = usage->hid & HID_USAGE;
450 if (hid == 7 || hid == 8)
451 goto ignore;
452 }
453 }
454
455 map_key(code);
456 break;
457
458
459 case HID_UP_SIMULATION:
460
461 switch (usage->hid & 0xffff) {
462 case 0xba: map_abs(ABS_RUDDER); break;
463 case 0xbb: map_abs(ABS_THROTTLE); break;
464 case 0xc4: map_abs(ABS_GAS); break;
465 case 0xc5: map_abs(ABS_BRAKE); break;
466 case 0xc8: map_abs(ABS_WHEEL); break;
467 default: goto ignore;
468 }
469 break;
470
471 case HID_UP_GENDESK:
472
473 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
474 switch (usage->hid & 0xf) {
475 case 0x1: map_key_clear(KEY_POWER); break;
476 case 0x2: map_key_clear(KEY_SLEEP); break;
477 case 0x3: map_key_clear(KEY_WAKEUP); break;
478 default: goto unknown;
479 }
480 break;
481 }
482
483 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
484 switch (usage->hid) {
485 case HID_GD_UP: usage->hat_dir = 1; break;
486 case HID_GD_DOWN: usage->hat_dir = 5; break;
487 case HID_GD_RIGHT: usage->hat_dir = 3; break;
488 case HID_GD_LEFT: usage->hat_dir = 7; break;
489 default: goto unknown;
490 }
491 if (field->dpad) {
492 map_abs(field->dpad);
493 goto ignore;
494 }
495 map_abs(ABS_HAT0X);
496 break;
497 }
498
499 switch (usage->hid) {
500
501 /* These usage IDs map directly to the usage codes. */
502 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
503 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
504 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
505 if (field->flags & HID_MAIN_ITEM_RELATIVE)
506 map_rel(usage->hid & 0xf);
507 else
508 map_abs(usage->hid & 0xf);
509 break;
510
511 case HID_GD_HATSWITCH:
512 usage->hat_min = field->logical_minimum;
513 usage->hat_max = field->logical_maximum;
514 map_abs(ABS_HAT0X);
515 break;
516
517 case HID_GD_START: map_key_clear(BTN_START); break;
518 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
519
520 default: goto unknown;
521 }
522
523 break;
524
525 case HID_UP_LED:
526
527 switch (usage->hid & 0xffff) { /* HID-Value: */
528 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */
529 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */
530 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */
531 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */
532 case 0x05: map_led (LED_KANA); break; /* "Kana" */
533 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */
534 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */
535 case 0x09: map_led (LED_MUTE); break; /* "Mute" */
536 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */
537 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */
538 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */
539
540 default: goto ignore;
541 }
542 break;
543
544 case HID_UP_DIGITIZER:
545
546 switch (usage->hid & 0xff) {
547
548 case 0x30: /* TipPressure */
549 if (!test_bit(BTN_TOUCH, input->keybit)) {
550 device->quirks |= HID_QUIRK_NOTOUCH;
551 set_bit(EV_KEY, input->evbit);
552 set_bit(BTN_TOUCH, input->keybit);
553 }
554
555 map_abs_clear(ABS_PRESSURE);
556 break;
557
558 case 0x32: /* InRange */
559 switch (field->physical & 0xff) {
560 case 0x21: map_key(BTN_TOOL_MOUSE); break;
561 case 0x22: map_key(BTN_TOOL_FINGER); break;
562 default: map_key(BTN_TOOL_PEN); break;
563 }
564 break;
565
566 case 0x3c: /* Invert */
567 map_key_clear(BTN_TOOL_RUBBER);
568 break;
569
570 case 0x33: /* Touch */
571 case 0x42: /* TipSwitch */
572 case 0x43: /* TipSwitch2 */
573 device->quirks &= ~HID_QUIRK_NOTOUCH;
574 map_key_clear(BTN_TOUCH);
575 break;
576
577 case 0x44: /* BarrelSwitch */
578 map_key_clear(BTN_STYLUS);
579 break;
580
581 default: goto unknown;
582 }
583 break;
584
585 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
586
587 switch (usage->hid & HID_USAGE) {
588 case 0x000: goto ignore;
589 case 0x034: map_key_clear(KEY_SLEEP); break;
590 case 0x036: map_key_clear(BTN_MISC); break;
591
592 case 0x040: map_key_clear(KEY_MENU); break;
593 case 0x045: map_key_clear(KEY_RADIO); break;
594
595 case 0x083: map_key_clear(KEY_LAST); break;
596 case 0x088: map_key_clear(KEY_PC); break;
597 case 0x089: map_key_clear(KEY_TV); break;
598 case 0x08a: map_key_clear(KEY_WWW); break;
599 case 0x08b: map_key_clear(KEY_DVD); break;
600 case 0x08c: map_key_clear(KEY_PHONE); break;
601 case 0x08d: map_key_clear(KEY_PROGRAM); break;
602 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break;
603 case 0x08f: map_key_clear(KEY_GAMES); break;
604 case 0x090: map_key_clear(KEY_MEMO); break;
605 case 0x091: map_key_clear(KEY_CD); break;
606 case 0x092: map_key_clear(KEY_VCR); break;
607 case 0x093: map_key_clear(KEY_TUNER); break;
608 case 0x094: map_key_clear(KEY_EXIT); break;
609 case 0x095: map_key_clear(KEY_HELP); break;
610 case 0x096: map_key_clear(KEY_TAPE); break;
611 case 0x097: map_key_clear(KEY_TV2); break;
612 case 0x098: map_key_clear(KEY_SAT); break;
613 case 0x09a: map_key_clear(KEY_PVR); break;
614
615 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
616 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
617 case 0x0a0: map_key_clear(KEY_VCR2); break;
618
619 case 0x0b0: map_key_clear(KEY_PLAY); break;
620 case 0x0b1: map_key_clear(KEY_PAUSE); break;
621 case 0x0b2: map_key_clear(KEY_RECORD); break;
622 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
623 case 0x0b4: map_key_clear(KEY_REWIND); break;
624 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
625 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
626 case 0x0b7: map_key_clear(KEY_STOPCD); break;
627 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
628 case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break;
629
630 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
631 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
632 case 0x0e2: map_key_clear(KEY_MUTE); break;
633 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
634 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
635 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
636
637 case 0x182: map_key_clear(KEY_BOOKMARKS); break;
638 case 0x183: map_key_clear(KEY_CONFIG); break;
639 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
640 case 0x185: map_key_clear(KEY_EDITOR); break;
641 case 0x186: map_key_clear(KEY_SPREADSHEET); break;
642 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break;
643 case 0x188: map_key_clear(KEY_PRESENTATION); break;
644 case 0x189: map_key_clear(KEY_DATABASE); break;
645 case 0x18a: map_key_clear(KEY_MAIL); break;
646 case 0x18b: map_key_clear(KEY_NEWS); break;
647 case 0x18c: map_key_clear(KEY_VOICEMAIL); break;
648 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break;
649 case 0x18e: map_key_clear(KEY_CALENDAR); break;
650 case 0x191: map_key_clear(KEY_FINANCE); break;
651 case 0x192: map_key_clear(KEY_CALC); break;
652 case 0x194: map_key_clear(KEY_FILE); break;
653 case 0x196: map_key_clear(KEY_WWW); break;
654 case 0x19c: map_key_clear(KEY_LOGOFF); break;
655 case 0x19e: map_key_clear(KEY_COFFEE); break;
656 case 0x1a6: map_key_clear(KEY_HELP); break;
657 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
658 case 0x1ab: map_key_clear(KEY_SPELLCHECK); break;
659 case 0x1b6: map_key_clear(KEY_MEDIA); break;
660 case 0x1b7: map_key_clear(KEY_SOUND); break;
661 case 0x1bc: map_key_clear(KEY_MESSENGER); break;
662 case 0x1bd: map_key_clear(KEY_INFO); break;
663 case 0x201: map_key_clear(KEY_NEW); break;
664 case 0x202: map_key_clear(KEY_OPEN); break;
665 case 0x203: map_key_clear(KEY_CLOSE); break;
666 case 0x204: map_key_clear(KEY_EXIT); break;
667 case 0x207: map_key_clear(KEY_SAVE); break;
668 case 0x208: map_key_clear(KEY_PRINT); break;
669 case 0x209: map_key_clear(KEY_PROPS); break;
670 case 0x21a: map_key_clear(KEY_UNDO); break;
671 case 0x21b: map_key_clear(KEY_COPY); break;
672 case 0x21c: map_key_clear(KEY_CUT); break;
673 case 0x21d: map_key_clear(KEY_PASTE); break;
674 case 0x21f: map_key_clear(KEY_FIND); break;
675 case 0x221: map_key_clear(KEY_SEARCH); break;
676 case 0x222: map_key_clear(KEY_GOTO); break;
677 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
678 case 0x224: map_key_clear(KEY_BACK); break;
679 case 0x225: map_key_clear(KEY_FORWARD); break;
680 case 0x226: map_key_clear(KEY_STOP); break;
681 case 0x227: map_key_clear(KEY_REFRESH); break;
682 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
683 case 0x22d: map_key_clear(KEY_ZOOMIN); break;
684 case 0x22e: map_key_clear(KEY_ZOOMOUT); break;
685 case 0x22f: map_key_clear(KEY_ZOOMRESET); break;
686 case 0x233: map_key_clear(KEY_SCROLLUP); break;
687 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
688 case 0x238: map_rel(REL_HWHEEL); break;
689 case 0x25f: map_key_clear(KEY_CANCEL); break;
690 case 0x279: map_key_clear(KEY_REDO); break;
691
692 case 0x289: map_key_clear(KEY_REPLY); break;
693 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
694 case 0x28c: map_key_clear(KEY_SEND); break;
695
696 default: goto ignore;
697 }
698 break;
699
700 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
701
702 set_bit(EV_REP, input->evbit);
703 switch (usage->hid & HID_USAGE) {
704 case 0x021: map_key_clear(KEY_PRINT); break;
705 case 0x070: map_key_clear(KEY_HP); break;
706 case 0x071: map_key_clear(KEY_CAMERA); break;
707 case 0x072: map_key_clear(KEY_SOUND); break;
708 case 0x073: map_key_clear(KEY_QUESTION); break;
709 case 0x080: map_key_clear(KEY_EMAIL); break;
710 case 0x081: map_key_clear(KEY_CHAT); break;
711 case 0x082: map_key_clear(KEY_SEARCH); break;
712 case 0x083: map_key_clear(KEY_CONNECT); break;
713 case 0x084: map_key_clear(KEY_FINANCE); break;
714 case 0x085: map_key_clear(KEY_SPORT); break;
715 case 0x086: map_key_clear(KEY_SHOP); break;
716 default: goto ignore;
717 }
718 break;
719
720 case HID_UP_MSVENDOR:
721
722 goto ignore;
723
724 case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */
725
726 set_bit(EV_REP, input->evbit);
727 switch(usage->hid & HID_USAGE) {
728 case 0x003:
729 /* The fn key on Apple USB keyboards */
730 map_key_clear(KEY_FN);
731 hidinput_apple_setup(input);
732 break;
733
734 default: goto ignore;
735 }
736 break;
737
738 case HID_UP_LOGIVENDOR:
739
740 goto ignore;
741
742 case HID_UP_PID:
743
744 switch(usage->hid & HID_USAGE) {
745 case 0xa4: map_key_clear(BTN_DEAD); break;
746 default: goto ignore;
747 }
748 break;
749
750 default:
751 unknown:
752 if (field->report_size == 1) {
753 if (field->report->type == HID_OUTPUT_REPORT) {
754 map_led(LED_MISC);
755 break;
756 }
757 map_key(BTN_MISC);
758 break;
759 }
760 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
761 map_rel(REL_MISC);
762 break;
763 }
764 map_abs(ABS_MISC);
765 break;
766 }
767
768 mapped:
769 if (device->driver->input_mapped && device->driver->input_mapped(device,
770 hidinput, field, usage, &bit, &max) < 0)
771 goto ignore;
772
773 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
774 if (usage->hid == HID_GD_Z)
775 map_rel(REL_HWHEEL);
776 else if (usage->code == BTN_1)
777 map_key(BTN_2);
778 else if (usage->code == BTN_2)
779 map_key(BTN_1);
780 }
781
782 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5 |
783 HID_QUIRK_2WHEEL_MOUSE_HACK_B8)) && (usage->type == EV_REL) &&
784 (usage->code == REL_WHEEL))
785 set_bit(REL_HWHEEL, bit);
786
787 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
788 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
789 goto ignore;
790
791 if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
792 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
793 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
794
795 set_bit(usage->type, input->evbit);
796
797 if (device->quirks & HID_QUIRK_DUPLICATE_USAGES &&
798 (usage->type == EV_KEY ||
799 usage->type == EV_REL ||
800 usage->type == EV_ABS))
801 clear_bit(usage->code, bit);
802
803 while (usage->code <= max && test_and_set_bit(usage->code, bit))
804 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
805
806 if (usage->code > max)
807 goto ignore;
808
809
810 if (usage->type == EV_ABS) {
811
812 int a = field->logical_minimum;
813 int b = field->logical_maximum;
814
815 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
816 a = field->logical_minimum = 0;
817 b = field->logical_maximum = 255;
818 }
819
820 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
821 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
822 else input_set_abs_params(input, usage->code, a, b, 0, 0);
823
824 }
825
826 if (usage->type == EV_ABS &&
827 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
828 int i;
829 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
830 input_set_abs_params(input, i, -1, 1, 0, 0);
831 set_bit(i, input->absbit);
832 }
833 if (usage->hat_dir && !field->dpad)
834 field->dpad = usage->code;
835 }
836
837 /* for those devices which produce Consumer volume usage as relative,
838 * we emulate pressing volumeup/volumedown appropriate number of times
839 * in hidinput_hid_event()
840 */
841 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
842 (usage->code == ABS_VOLUME)) {
843 set_bit(KEY_VOLUMEUP, input->keybit);
844 set_bit(KEY_VOLUMEDOWN, input->keybit);
845 }
846
847 if (usage->type == EV_KEY) {
848 set_bit(EV_MSC, input->evbit);
849 set_bit(MSC_SCAN, input->mscbit);
850 }
851
852 hid_resolv_event(usage->type, usage->code);
853
854 dbg_hid_line("\n");
855
856 return;
857
858 ignore:
859 dbg_hid_line("IGNORED\n");
860 return;
861 }
862
863 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
864 {
865 struct input_dev *input;
866 unsigned *quirks = &hid->quirks;
867
868 if (!field->hidinput)
869 return;
870
871 input = field->hidinput->input;
872
873 if (!usage->type)
874 return;
875
876 /* handle input events for quirky devices */
877 if (hidinput_event_quirks(hid, field, usage, value))
878 return;
879
880 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
881 int hat_dir = usage->hat_dir;
882 if (!hat_dir)
883 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
884 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
885 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
886 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
887 return;
888 }
889
890 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
891 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
892 return;
893 }
894
895 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
896 if (value) {
897 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
898 return;
899 }
900 input_event(input, usage->type, usage->code, 0);
901 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
902 return;
903 }
904
905 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
906 int a = field->logical_minimum;
907 int b = field->logical_maximum;
908 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
909 }
910
911 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
912 dbg_hid("Maximum Effects - %d\n",value);
913 return;
914 }
915
916 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
917 dbg_hid("PID Pool Report\n");
918 return;
919 }
920
921 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
922 return;
923
924 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
925 (usage->code == ABS_VOLUME)) {
926 int count = abs(value);
927 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
928 int i;
929
930 for (i = 0; i < count; i++) {
931 input_event(input, EV_KEY, direction, 1);
932 input_sync(input);
933 input_event(input, EV_KEY, direction, 0);
934 input_sync(input);
935 }
936 return;
937 }
938
939 /* report the usage code as scancode if the key status has changed */
940 if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
941 input_event(input, EV_MSC, MSC_SCAN, usage->hid);
942
943 input_event(input, usage->type, usage->code, value);
944
945 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
946 input_event(input, usage->type, usage->code, 0);
947 }
948
949 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
950 {
951 struct hid_input *hidinput;
952
953 list_for_each_entry(hidinput, &hid->inputs, list)
954 input_sync(hidinput->input);
955 }
956 EXPORT_SYMBOL_GPL(hidinput_report_event);
957
958 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
959 {
960 struct hid_report *report;
961 int i, j;
962
963 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
964 for (i = 0; i < report->maxfield; i++) {
965 *field = report->field[i];
966 for (j = 0; j < (*field)->maxusage; j++)
967 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
968 return j;
969 }
970 }
971 return -1;
972 }
973 EXPORT_SYMBOL_GPL(hidinput_find_field);
974
975 static int hidinput_open(struct input_dev *dev)
976 {
977 struct hid_device *hid = input_get_drvdata(dev);
978
979 return hid->ll_driver->open(hid);
980 }
981
982 static void hidinput_close(struct input_dev *dev)
983 {
984 struct hid_device *hid = input_get_drvdata(dev);
985
986 hid->ll_driver->close(hid);
987 }
988
989 /*
990 * Register the input device; print a message.
991 * Configure the input layer interface
992 * Read all reports and initialize the absolute field values.
993 */
994
995 int hidinput_connect(struct hid_device *hid)
996 {
997 struct hid_report *report;
998 struct hid_input *hidinput = NULL;
999 struct input_dev *input_dev;
1000 int i, j, k;
1001 int max_report_type = HID_OUTPUT_REPORT;
1002
1003 if (hid->quirks & HID_QUIRK_IGNORE_HIDINPUT)
1004 return -1;
1005
1006 INIT_LIST_HEAD(&hid->inputs);
1007
1008 for (i = 0; i < hid->maxcollection; i++)
1009 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
1010 hid->collection[i].type == HID_COLLECTION_PHYSICAL)
1011 if (IS_INPUT_APPLICATION(hid->collection[i].usage))
1012 break;
1013
1014 if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0)
1015 return -1;
1016
1017 if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
1018 max_report_type = HID_INPUT_REPORT;
1019
1020 for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
1021 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
1022
1023 if (!report->maxfield)
1024 continue;
1025
1026 if (!hidinput) {
1027 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
1028 input_dev = input_allocate_device();
1029 if (!hidinput || !input_dev) {
1030 kfree(hidinput);
1031 input_free_device(input_dev);
1032 err_hid("Out of memory during hid input probe");
1033 goto out_unwind;
1034 }
1035
1036 input_set_drvdata(input_dev, hid);
1037 input_dev->event =
1038 hid->ll_driver->hidinput_input_event;
1039 input_dev->open = hidinput_open;
1040 input_dev->close = hidinput_close;
1041 input_dev->setkeycode = hidinput_setkeycode;
1042 input_dev->getkeycode = hidinput_getkeycode;
1043
1044 input_dev->name = hid->name;
1045 input_dev->phys = hid->phys;
1046 input_dev->uniq = hid->uniq;
1047 input_dev->id.bustype = hid->bus;
1048 input_dev->id.vendor = hid->vendor;
1049 input_dev->id.product = hid->product;
1050 input_dev->id.version = hid->version;
1051 input_dev->dev.parent = hid->dev.parent;
1052 hidinput->input = input_dev;
1053 list_add_tail(&hidinput->list, &hid->inputs);
1054 }
1055
1056 for (i = 0; i < report->maxfield; i++)
1057 for (j = 0; j < report->field[i]->maxusage; j++)
1058 hidinput_configure_usage(hidinput, report->field[i],
1059 report->field[i]->usage + j);
1060
1061 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1062 /* This will leave hidinput NULL, so that it
1063 * allocates another one if we have more inputs on
1064 * the same interface. Some devices (e.g. Happ's
1065 * UGCI) cram a lot of unrelated inputs into the
1066 * same interface. */
1067 hidinput->report = report;
1068 if (input_register_device(hidinput->input))
1069 goto out_cleanup;
1070 hidinput = NULL;
1071 }
1072 }
1073
1074 if (hidinput && input_register_device(hidinput->input))
1075 goto out_cleanup;
1076
1077 return 0;
1078
1079 out_cleanup:
1080 input_free_device(hidinput->input);
1081 kfree(hidinput);
1082 out_unwind:
1083 /* unwind the ones we already registered */
1084 hidinput_disconnect(hid);
1085
1086 return -1;
1087 }
1088 EXPORT_SYMBOL_GPL(hidinput_connect);
1089
1090 void hidinput_disconnect(struct hid_device *hid)
1091 {
1092 struct hid_input *hidinput, *next;
1093
1094 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1095 list_del(&hidinput->list);
1096 input_unregister_device(hidinput->input);
1097 kfree(hidinput);
1098 }
1099 }
1100 EXPORT_SYMBOL_GPL(hidinput_disconnect);
1101
Support for the Chinese Samsung S3C2440 based development boards