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Committer: Michael Beasley <mike@snafu.setup>
[mikesnafu-overlay.git] / drivers / hid / hid-input.c
blobc3eb3f13e2ca01d2689b898e15677ff4eeaff0a3
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 #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_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY },
106 { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY },
107 { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY },
108 { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY },
109 { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
110 { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
111 { KEY_UP, KEY_PAGEUP },
112 { KEY_DOWN, KEY_PAGEDOWN },
113 { KEY_LEFT, KEY_HOME },
114 { KEY_RIGHT, KEY_END },
115 { }
116 };
117
118 static struct hidinput_key_translation powerbook_fn_keys[] = {
119 { KEY_BACKSPACE, KEY_DELETE },
120 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
121 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
122 { KEY_F3, KEY_MUTE, APPLE_FLAG_FKEY },
123 { KEY_F4, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
124 { KEY_F5, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
125 { KEY_F6, KEY_NUMLOCK, APPLE_FLAG_FKEY },
126 { KEY_F7, KEY_SWITCHVIDEOMODE, APPLE_FLAG_FKEY },
127 { KEY_F8, KEY_KBDILLUMTOGGLE, APPLE_FLAG_FKEY },
128 { KEY_F9, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY },
129 { KEY_F10, KEY_KBDILLUMUP, APPLE_FLAG_FKEY },
130 { KEY_UP, KEY_PAGEUP },
131 { KEY_DOWN, KEY_PAGEDOWN },
132 { KEY_LEFT, KEY_HOME },
133 { KEY_RIGHT, KEY_END },
134 { }
135 };
136
137 static struct hidinput_key_translation powerbook_numlock_keys[] = {
138 { KEY_J, KEY_KP1 },
139 { KEY_K, KEY_KP2 },
140 { KEY_L, KEY_KP3 },
141 { KEY_U, KEY_KP4 },
142 { KEY_I, KEY_KP5 },
143 { KEY_O, KEY_KP6 },
144 { KEY_7, KEY_KP7 },
145 { KEY_8, KEY_KP8 },
146 { KEY_9, KEY_KP9 },
147 { KEY_M, KEY_KP0 },
148 { KEY_DOT, KEY_KPDOT },
149 { KEY_SLASH, KEY_KPPLUS },
150 { KEY_SEMICOLON, KEY_KPMINUS },
151 { KEY_P, KEY_KPASTERISK },
152 { KEY_MINUS, KEY_KPEQUAL },
153 { KEY_0, KEY_KPSLASH },
154 { KEY_F6, KEY_NUMLOCK },
155 { KEY_KPENTER, KEY_KPENTER },
156 { KEY_BACKSPACE, KEY_BACKSPACE },
157 { }
158 };
159
160 static struct hidinput_key_translation apple_iso_keyboard[] = {
161 { KEY_GRAVE, KEY_102ND },
162 { KEY_102ND, KEY_GRAVE },
163 { }
164 };
165
166 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
167 {
168 struct hidinput_key_translation *trans;
169
170 /* Look for the translation */
171 for (trans = table; trans->from; trans++)
172 if (trans->from == from)
173 return trans;
174
175 return NULL;
176 }
177
178 int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
179 struct hid_usage *usage, __s32 value)
180 {
181 struct hidinput_key_translation *trans;
182
183 if (usage->code == KEY_FN) {
184 if (value) hid->quirks |= HID_QUIRK_APPLE_FN_ON;
185 else hid->quirks &= ~HID_QUIRK_APPLE_FN_ON;
186
187 input_event(input, usage->type, usage->code, value);
188
189 return 1;
190 }
191
192 if (hid_apple_fnmode) {
193 int do_translate;
194
195 trans = find_translation((hid->product < 0x220 ||
196 hid->product >= 0x300) ?
197 powerbook_fn_keys : apple_fn_keys,
198 usage->code);
199 if (trans) {
200 if (test_bit(usage->code, hid->apple_pressed_fn))
201 do_translate = 1;
202 else if (trans->flags & APPLE_FLAG_FKEY)
203 do_translate =
204 (hid_apple_fnmode == 2 && (hid->quirks & HID_QUIRK_APPLE_FN_ON)) ||
205 (hid_apple_fnmode == 1 && !(hid->quirks & HID_QUIRK_APPLE_FN_ON));
206 else
207 do_translate = (hid->quirks & HID_QUIRK_APPLE_FN_ON);
208
209 if (do_translate) {
210 if (value)
211 set_bit(usage->code, hid->apple_pressed_fn);
212 else
213 clear_bit(usage->code, hid->apple_pressed_fn);
214
215 input_event(input, usage->type, trans->to, value);
216
217 return 1;
218 }
219 }
220
221 if (test_bit(usage->code, hid->pb_pressed_numlock) ||
222 test_bit(LED_NUML, input->led)) {
223 trans = find_translation(powerbook_numlock_keys, usage->code);
224
225 if (trans) {
226 if (value)
227 set_bit(usage->code, hid->pb_pressed_numlock);
228 else
229 clear_bit(usage->code, hid->pb_pressed_numlock);
230
231 input_event(input, usage->type, trans->to, value);
232 }
233
234 return 1;
235 }
236 }
237
238 if (hid->quirks & HID_QUIRK_APPLE_ISO_KEYBOARD) {
239 trans = find_translation(apple_iso_keyboard, usage->code);
240 if (trans) {
241 input_event(input, usage->type, trans->to, value);
242 return 1;
243 }
244 }
245
246 return 0;
247 }
248
249 static void hidinput_apple_setup(struct input_dev *input)
250 {
251 struct hidinput_key_translation *trans;
252
253 set_bit(KEY_NUMLOCK, input->keybit);
254
255 /* Enable all needed keys */
256 for (trans = apple_fn_keys; trans->from; trans++)
257 set_bit(trans->to, input->keybit);
258
259 for (trans = powerbook_fn_keys; trans->from; trans++)
260 set_bit(trans->to, input->keybit);
261
262 for (trans = powerbook_numlock_keys; trans->from; trans++)
263 set_bit(trans->to, input->keybit);
264
265 for (trans = apple_iso_keyboard; trans->from; trans++)
266 set_bit(trans->to, input->keybit);
267
268 }
269 #else
270 inline int hidinput_apple_event(struct hid_device *hid,
271 struct input_dev *input,
272 struct hid_usage *usage, __s32 value)
273 {
274 return 0;
275 }
276
277 static inline void hidinput_apple_setup(struct input_dev *input)
278 {
279 }
280 #endif
281
282 static inline int match_scancode(int code, int scancode)
283 {
284 if (scancode == 0)
285 return 1;
286 return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode);
287 }
288
289 static inline int match_keycode(int code, int keycode)
290 {
291 if (keycode == 0)
292 return 1;
293 return (code == keycode);
294 }
295
296 static struct hid_usage *hidinput_find_key(struct hid_device *hid,
297 int scancode, int keycode)
298 {
299 int i, j, k;
300 struct hid_report *report;
301 struct hid_usage *usage;
302
303 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
304 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
305 for (i = 0; i < report->maxfield; i++) {
306 for ( j = 0; j < report->field[i]->maxusage; j++) {
307 usage = report->field[i]->usage + j;
308 if (usage->type == EV_KEY &&
309 match_scancode(usage->hid, scancode) &&
310 match_keycode(usage->code, keycode))
311 return usage;
312 }
313 }
314 }
315 }
316 return NULL;
317 }
318
319 static int hidinput_getkeycode(struct input_dev *dev, int scancode,
320 int *keycode)
321 {
322 struct hid_device *hid = input_get_drvdata(dev);
323 struct hid_usage *usage;
324
325 usage = hidinput_find_key(hid, scancode, 0);
326 if (usage) {
327 *keycode = usage->code;
328 return 0;
329 }
330 return -EINVAL;
331 }
332
333 static int hidinput_setkeycode(struct input_dev *dev, int scancode,
334 int keycode)
335 {
336 struct hid_device *hid = input_get_drvdata(dev);
337 struct hid_usage *usage;
338 int old_keycode;
339
340 if (keycode < 0 || keycode > KEY_MAX)
341 return -EINVAL;
342
343 usage = hidinput_find_key(hid, scancode, 0);
344 if (usage) {
345 old_keycode = usage->code;
346 usage->code = keycode;
347
348 clear_bit(old_keycode, dev->keybit);
349 set_bit(usage->code, dev->keybit);
350 dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode);
351 /* Set the keybit for the old keycode if the old keycode is used
352 * by another key */
353 if (hidinput_find_key (hid, 0, old_keycode))
354 set_bit(old_keycode, dev->keybit);
355
356 return 0;
357 }
358
359 return -EINVAL;
360 }
361
362
363 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
364 struct hid_usage *usage)
365 {
366 struct input_dev *input = hidinput->input;
367 struct hid_device *device = input_get_drvdata(input);
368 int max = 0, code, ret;
369 unsigned long *bit = NULL;
370
371 field->hidinput = hidinput;
372
373 dbg_hid("Mapping: ");
374 hid_resolv_usage(usage->hid);
375 dbg_hid_line(" ---> ");
376
377 if (field->flags & HID_MAIN_ITEM_CONSTANT)
378 goto ignore;
379
380 /* only LED usages are supported in output fields */
381 if (field->report_type == HID_OUTPUT_REPORT &&
382 (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
383 dbg_hid_line(" [non-LED output field] ");
384 goto ignore;
385 }
386
387 /* handle input mappings for quirky devices */
388 ret = hidinput_mapping_quirks(usage, input, &bit, &max);
389 if (ret)
390 goto mapped;
391
392 switch (usage->hid & HID_USAGE_PAGE) {
393
394 case HID_UP_UNDEFINED:
395 goto ignore;
396
397 case HID_UP_KEYBOARD:
398
399 set_bit(EV_REP, input->evbit);
400
401 if ((usage->hid & HID_USAGE) < 256) {
402 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
403 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
404 } else
405 map_key(KEY_UNKNOWN);
406
407 break;
408
409 case HID_UP_BUTTON:
410
411 code = ((usage->hid - 1) & 0xf);
412
413 switch (field->application) {
414 case HID_GD_MOUSE:
415 case HID_GD_POINTER: code += 0x110; break;
416 case HID_GD_JOYSTICK: code += 0x120; break;
417 case HID_GD_GAMEPAD: code += 0x130; break;
418 default:
419 switch (field->physical) {
420 case HID_GD_MOUSE:
421 case HID_GD_POINTER: code += 0x110; break;
422 case HID_GD_JOYSTICK: code += 0x120; break;
423 case HID_GD_GAMEPAD: code += 0x130; break;
424 default: code += 0x100;
425 }
426 }
427
428 /* Special handling for Logitech Cordless Desktop */
429 if (field->application != HID_GD_MOUSE) {
430 if (device->quirks & HID_QUIRK_LOGITECH_EXPANDED_KEYMAP) {
431 int hid = usage->hid & HID_USAGE;
432 if (hid < LOGITECH_EXPANDED_KEYMAP_SIZE && logitech_expanded_keymap[hid] != 0)
433 code = logitech_expanded_keymap[hid];
434 }
435 } else {
436 if (device->quirks & HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL) {
437 int hid = usage->hid & HID_USAGE;
438 if (hid == 7 || hid == 8)
439 goto ignore;
440 }
441 }
442
443 map_key(code);
444 break;
445
446
447 case HID_UP_SIMULATION:
448
449 switch (usage->hid & 0xffff) {
450 case 0xba: map_abs(ABS_RUDDER); break;
451 case 0xbb: map_abs(ABS_THROTTLE); break;
452 case 0xc4: map_abs(ABS_GAS); break;
453 case 0xc5: map_abs(ABS_BRAKE); break;
454 case 0xc8: map_abs(ABS_WHEEL); break;
455 default: goto ignore;
456 }
457 break;
458
459 case HID_UP_GENDESK:
460
461 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
462 switch (usage->hid & 0xf) {
463 case 0x1: map_key_clear(KEY_POWER); break;
464 case 0x2: map_key_clear(KEY_SLEEP); break;
465 case 0x3: map_key_clear(KEY_WAKEUP); break;
466 default: goto unknown;
467 }
468 break;
469 }
470
471 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
472 switch (usage->hid) {
473 case HID_GD_UP: usage->hat_dir = 1; break;
474 case HID_GD_DOWN: usage->hat_dir = 5; break;
475 case HID_GD_RIGHT: usage->hat_dir = 3; break;
476 case HID_GD_LEFT: usage->hat_dir = 7; break;
477 default: goto unknown;
478 }
479 if (field->dpad) {
480 map_abs(field->dpad);
481 goto ignore;
482 }
483 map_abs(ABS_HAT0X);
484 break;
485 }
486
487 switch (usage->hid) {
488
489 /* These usage IDs map directly to the usage codes. */
490 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
491 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
492 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
493 if (field->flags & HID_MAIN_ITEM_RELATIVE)
494 map_rel(usage->hid & 0xf);
495 else
496 map_abs(usage->hid & 0xf);
497 break;
498
499 case HID_GD_HATSWITCH:
500 usage->hat_min = field->logical_minimum;
501 usage->hat_max = field->logical_maximum;
502 map_abs(ABS_HAT0X);
503 break;
504
505 case HID_GD_START: map_key_clear(BTN_START); break;
506 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
507
508 default: goto unknown;
509 }
510
511 break;
512
513 case HID_UP_LED:
514
515 switch (usage->hid & 0xffff) { /* HID-Value: */
516 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */
517 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */
518 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */
519 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */
520 case 0x05: map_led (LED_KANA); break; /* "Kana" */
521 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */
522 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */
523 case 0x09: map_led (LED_MUTE); break; /* "Mute" */
524 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */
525 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */
526 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */
527
528 default: goto ignore;
529 }
530 break;
531
532 case HID_UP_DIGITIZER:
533
534 switch (usage->hid & 0xff) {
535
536 case 0x30: /* TipPressure */
537 if (!test_bit(BTN_TOUCH, input->keybit)) {
538 device->quirks |= HID_QUIRK_NOTOUCH;
539 set_bit(EV_KEY, input->evbit);
540 set_bit(BTN_TOUCH, input->keybit);
541 }
542
543 map_abs_clear(ABS_PRESSURE);
544 break;
545
546 case 0x32: /* InRange */
547 switch (field->physical & 0xff) {
548 case 0x21: map_key(BTN_TOOL_MOUSE); break;
549 case 0x22: map_key(BTN_TOOL_FINGER); break;
550 default: map_key(BTN_TOOL_PEN); break;
551 }
552 break;
553
554 case 0x3c: /* Invert */
555 map_key_clear(BTN_TOOL_RUBBER);
556 break;
557
558 case 0x33: /* Touch */
559 case 0x42: /* TipSwitch */
560 case 0x43: /* TipSwitch2 */
561 device->quirks &= ~HID_QUIRK_NOTOUCH;
562 map_key_clear(BTN_TOUCH);
563 break;
564
565 case 0x44: /* BarrelSwitch */
566 map_key_clear(BTN_STYLUS);
567 break;
568
569 default: goto unknown;
570 }
571 break;
572
573 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
574
575 switch (usage->hid & HID_USAGE) {
576 case 0x000: goto ignore;
577 case 0x034: map_key_clear(KEY_SLEEP); break;
578 case 0x036: map_key_clear(BTN_MISC); break;
579
580 case 0x040: map_key_clear(KEY_MENU); break;
581 case 0x045: map_key_clear(KEY_RADIO); break;
582
583 case 0x083: map_key_clear(KEY_LAST); break;
584 case 0x088: map_key_clear(KEY_PC); break;
585 case 0x089: map_key_clear(KEY_TV); break;
586 case 0x08a: map_key_clear(KEY_WWW); break;
587 case 0x08b: map_key_clear(KEY_DVD); break;
588 case 0x08c: map_key_clear(KEY_PHONE); break;
589 case 0x08d: map_key_clear(KEY_PROGRAM); break;
590 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break;
591 case 0x08f: map_key_clear(KEY_GAMES); break;
592 case 0x090: map_key_clear(KEY_MEMO); break;
593 case 0x091: map_key_clear(KEY_CD); break;
594 case 0x092: map_key_clear(KEY_VCR); break;
595 case 0x093: map_key_clear(KEY_TUNER); break;
596 case 0x094: map_key_clear(KEY_EXIT); break;
597 case 0x095: map_key_clear(KEY_HELP); break;
598 case 0x096: map_key_clear(KEY_TAPE); break;
599 case 0x097: map_key_clear(KEY_TV2); break;
600 case 0x098: map_key_clear(KEY_SAT); break;
601 case 0x09a: map_key_clear(KEY_PVR); break;
602
603 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
604 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
605 case 0x0a0: map_key_clear(KEY_VCR2); break;
606
607 case 0x0b0: map_key_clear(KEY_PLAY); break;
608 case 0x0b1: map_key_clear(KEY_PAUSE); break;
609 case 0x0b2: map_key_clear(KEY_RECORD); break;
610 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
611 case 0x0b4: map_key_clear(KEY_REWIND); break;
612 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
613 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
614 case 0x0b7: map_key_clear(KEY_STOPCD); break;
615 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
616
617 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
618 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
619 case 0x0e2: map_key_clear(KEY_MUTE); break;
620 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
621 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
622 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
623
624 case 0x182: map_key_clear(KEY_BOOKMARKS); break;
625 case 0x183: map_key_clear(KEY_CONFIG); break;
626 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
627 case 0x185: map_key_clear(KEY_EDITOR); break;
628 case 0x186: map_key_clear(KEY_SPREADSHEET); break;
629 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break;
630 case 0x188: map_key_clear(KEY_PRESENTATION); break;
631 case 0x189: map_key_clear(KEY_DATABASE); break;
632 case 0x18a: map_key_clear(KEY_MAIL); break;
633 case 0x18b: map_key_clear(KEY_NEWS); break;
634 case 0x18c: map_key_clear(KEY_VOICEMAIL); break;
635 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break;
636 case 0x18e: map_key_clear(KEY_CALENDAR); break;
637 case 0x191: map_key_clear(KEY_FINANCE); break;
638 case 0x192: map_key_clear(KEY_CALC); break;
639 case 0x194: map_key_clear(KEY_FILE); break;
640 case 0x196: map_key_clear(KEY_WWW); break;
641 case 0x19c: map_key_clear(KEY_LOGOFF); break;
642 case 0x19e: map_key_clear(KEY_COFFEE); break;
643 case 0x1a6: map_key_clear(KEY_HELP); break;
644 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
645 case 0x1ab: map_key_clear(KEY_SPELLCHECK); break;
646 case 0x1b6: map_key_clear(KEY_MEDIA); break;
647 case 0x1b7: map_key_clear(KEY_SOUND); break;
648 case 0x1bc: map_key_clear(KEY_MESSENGER); break;
649 case 0x1bd: map_key_clear(KEY_INFO); break;
650 case 0x201: map_key_clear(KEY_NEW); break;
651 case 0x202: map_key_clear(KEY_OPEN); break;
652 case 0x203: map_key_clear(KEY_CLOSE); break;
653 case 0x204: map_key_clear(KEY_EXIT); break;
654 case 0x207: map_key_clear(KEY_SAVE); break;
655 case 0x208: map_key_clear(KEY_PRINT); break;
656 case 0x209: map_key_clear(KEY_PROPS); break;
657 case 0x21a: map_key_clear(KEY_UNDO); break;
658 case 0x21b: map_key_clear(KEY_COPY); break;
659 case 0x21c: map_key_clear(KEY_CUT); break;
660 case 0x21d: map_key_clear(KEY_PASTE); break;
661 case 0x21f: map_key_clear(KEY_FIND); break;
662 case 0x221: map_key_clear(KEY_SEARCH); break;
663 case 0x222: map_key_clear(KEY_GOTO); break;
664 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
665 case 0x224: map_key_clear(KEY_BACK); break;
666 case 0x225: map_key_clear(KEY_FORWARD); break;
667 case 0x226: map_key_clear(KEY_STOP); break;
668 case 0x227: map_key_clear(KEY_REFRESH); break;
669 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
670 case 0x22d: map_key_clear(KEY_ZOOMIN); break;
671 case 0x22e: map_key_clear(KEY_ZOOMOUT); break;
672 case 0x22f: map_key_clear(KEY_ZOOMRESET); break;
673 case 0x233: map_key_clear(KEY_SCROLLUP); break;
674 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
675 case 0x238: map_rel(REL_HWHEEL); break;
676 case 0x25f: map_key_clear(KEY_CANCEL); break;
677 case 0x279: map_key_clear(KEY_REDO); break;
678
679 case 0x289: map_key_clear(KEY_REPLY); break;
680 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
681 case 0x28c: map_key_clear(KEY_SEND); break;
682
683 default: goto ignore;
684 }
685 break;
686
687 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
688
689 set_bit(EV_REP, input->evbit);
690 switch (usage->hid & HID_USAGE) {
691 case 0x021: map_key_clear(KEY_PRINT); break;
692 case 0x070: map_key_clear(KEY_HP); break;
693 case 0x071: map_key_clear(KEY_CAMERA); break;
694 case 0x072: map_key_clear(KEY_SOUND); break;
695 case 0x073: map_key_clear(KEY_QUESTION); break;
696 case 0x080: map_key_clear(KEY_EMAIL); break;
697 case 0x081: map_key_clear(KEY_CHAT); break;
698 case 0x082: map_key_clear(KEY_SEARCH); break;
699 case 0x083: map_key_clear(KEY_CONNECT); break;
700 case 0x084: map_key_clear(KEY_FINANCE); break;
701 case 0x085: map_key_clear(KEY_SPORT); break;
702 case 0x086: map_key_clear(KEY_SHOP); break;
703 default: goto ignore;
704 }
705 break;
706
707 case HID_UP_MSVENDOR:
708
709 goto ignore;
710
711 case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */
712
713 set_bit(EV_REP, input->evbit);
714 switch(usage->hid & HID_USAGE) {
715 case 0x003:
716 /* The fn key on Apple USB keyboards */
717 map_key_clear(KEY_FN);
718 hidinput_apple_setup(input);
719 break;
720
721 default: goto ignore;
722 }
723 break;
724
725 case HID_UP_LOGIVENDOR:
726
727 goto ignore;
728
729 case HID_UP_PID:
730
731 switch(usage->hid & HID_USAGE) {
732 case 0xa4: map_key_clear(BTN_DEAD); break;
733 default: goto ignore;
734 }
735 break;
736
737 default:
738 unknown:
739 if (field->report_size == 1) {
740 if (field->report->type == HID_OUTPUT_REPORT) {
741 map_led(LED_MISC);
742 break;
743 }
744 map_key(BTN_MISC);
745 break;
746 }
747 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
748 map_rel(REL_MISC);
749 break;
750 }
751 map_abs(ABS_MISC);
752 break;
753 }
754
755 mapped:
756 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
757 if (usage->hid == HID_GD_Z)
758 map_rel(REL_HWHEEL);
759 else if (usage->code == BTN_1)
760 map_key(BTN_2);
761 else if (usage->code == BTN_2)
762 map_key(BTN_1);
763 }
764
765 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5 |
766 HID_QUIRK_2WHEEL_MOUSE_HACK_B8)) && (usage->type == EV_REL) &&
767 (usage->code == REL_WHEEL))
768 set_bit(REL_HWHEEL, bit);
769
770 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
771 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
772 goto ignore;
773
774 if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
775 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
776 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
777
778 set_bit(usage->type, input->evbit);
779
780 if (device->quirks & HID_QUIRK_DUPLICATE_USAGES &&
781 (usage->type == EV_KEY ||
782 usage->type == EV_REL ||
783 usage->type == EV_ABS))
784 clear_bit(usage->code, bit);
785
786 while (usage->code <= max && test_and_set_bit(usage->code, bit))
787 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
788
789 if (usage->code > max)
790 goto ignore;
791
792
793 if (usage->type == EV_ABS) {
794
795 int a = field->logical_minimum;
796 int b = field->logical_maximum;
797
798 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
799 a = field->logical_minimum = 0;
800 b = field->logical_maximum = 255;
801 }
802
803 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
804 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
805 else input_set_abs_params(input, usage->code, a, b, 0, 0);
806
807 }
808
809 if (usage->type == EV_ABS &&
810 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
811 int i;
812 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
813 input_set_abs_params(input, i, -1, 1, 0, 0);
814 set_bit(i, input->absbit);
815 }
816 if (usage->hat_dir && !field->dpad)
817 field->dpad = usage->code;
818 }
819
820 /* for those devices which produce Consumer volume usage as relative,
821 * we emulate pressing volumeup/volumedown appropriate number of times
822 * in hidinput_hid_event()
823 */
824 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
825 (usage->code == ABS_VOLUME)) {
826 set_bit(KEY_VOLUMEUP, input->keybit);
827 set_bit(KEY_VOLUMEDOWN, input->keybit);
828 }
829
830 if (usage->type == EV_KEY) {
831 set_bit(EV_MSC, input->evbit);
832 set_bit(MSC_SCAN, input->mscbit);
833 }
834
835 hid_resolv_event(usage->type, usage->code);
836
837 dbg_hid_line("\n");
838
839 return;
840
841 ignore:
842 dbg_hid_line("IGNORED\n");
843 return;
844 }
845
846 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
847 {
848 struct input_dev *input;
849 unsigned *quirks = &hid->quirks;
850
851 if (!field->hidinput)
852 return;
853
854 input = field->hidinput->input;
855
856 if (!usage->type)
857 return;
858
859 /* handle input events for quirky devices */
860 if (hidinput_event_quirks(hid, field, usage, value))
861 return;
862
863 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
864 int hat_dir = usage->hat_dir;
865 if (!hat_dir)
866 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
867 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
868 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
869 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
870 return;
871 }
872
873 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
874 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
875 return;
876 }
877
878 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
879 if (value) {
880 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
881 return;
882 }
883 input_event(input, usage->type, usage->code, 0);
884 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
885 return;
886 }
887
888 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
889 int a = field->logical_minimum;
890 int b = field->logical_maximum;
891 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
892 }
893
894 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
895 dbg_hid("Maximum Effects - %d\n",value);
896 return;
897 }
898
899 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
900 dbg_hid("PID Pool Report\n");
901 return;
902 }
903
904 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
905 return;
906
907 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
908 (usage->code == ABS_VOLUME)) {
909 int count = abs(value);
910 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
911 int i;
912
913 for (i = 0; i < count; i++) {
914 input_event(input, EV_KEY, direction, 1);
915 input_sync(input);
916 input_event(input, EV_KEY, direction, 0);
917 input_sync(input);
918 }
919 return;
920 }
921
922 /* report the usage code as scancode if the key status has changed */
923 if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
924 input_event(input, EV_MSC, MSC_SCAN, usage->hid);
925
926 input_event(input, usage->type, usage->code, value);
927
928 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
929 input_event(input, usage->type, usage->code, 0);
930 }
931
932 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
933 {
934 struct hid_input *hidinput;
935
936 list_for_each_entry(hidinput, &hid->inputs, list)
937 input_sync(hidinput->input);
938 }
939 EXPORT_SYMBOL_GPL(hidinput_report_event);
940
941 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
942 {
943 struct hid_report *report;
944 int i, j;
945
946 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
947 for (i = 0; i < report->maxfield; i++) {
948 *field = report->field[i];
949 for (j = 0; j < (*field)->maxusage; j++)
950 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
951 return j;
952 }
953 }
954 return -1;
955 }
956 EXPORT_SYMBOL_GPL(hidinput_find_field);
957
958 static int hidinput_open(struct input_dev *dev)
959 {
960 struct hid_device *hid = input_get_drvdata(dev);
961
962 return hid->hid_open(hid);
963 }
964
965 static void hidinput_close(struct input_dev *dev)
966 {
967 struct hid_device *hid = input_get_drvdata(dev);
968
969 hid->hid_close(hid);
970 }
971
972 /*
973 * Register the input device; print a message.
974 * Configure the input layer interface
975 * Read all reports and initialize the absolute field values.
976 */
977
978 int hidinput_connect(struct hid_device *hid)
979 {
980 struct hid_report *report;
981 struct hid_input *hidinput = NULL;
982 struct input_dev *input_dev;
983 int i, j, k;
984 int max_report_type = HID_OUTPUT_REPORT;
985
986 if (hid->quirks & HID_QUIRK_IGNORE_HIDINPUT)
987 return -1;
988
989 INIT_LIST_HEAD(&hid->inputs);
990
991 for (i = 0; i < hid->maxcollection; i++)
992 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
993 hid->collection[i].type == HID_COLLECTION_PHYSICAL)
994 if (IS_INPUT_APPLICATION(hid->collection[i].usage))
995 break;
996
997 if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0)
998 return -1;
999
1000 if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
1001 max_report_type = HID_INPUT_REPORT;
1002
1003 for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
1004 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
1005
1006 if (!report->maxfield)
1007 continue;
1008
1009 if (!hidinput) {
1010 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
1011 input_dev = input_allocate_device();
1012 if (!hidinput || !input_dev) {
1013 kfree(hidinput);
1014 input_free_device(input_dev);
1015 err_hid("Out of memory during hid input probe");
1016 goto out_unwind;
1017 }
1018
1019 input_set_drvdata(input_dev, hid);
1020 input_dev->event = hid->hidinput_input_event;
1021 input_dev->open = hidinput_open;
1022 input_dev->close = hidinput_close;
1023 input_dev->setkeycode = hidinput_setkeycode;
1024 input_dev->getkeycode = hidinput_getkeycode;
1025
1026 input_dev->name = hid->name;
1027 input_dev->phys = hid->phys;
1028 input_dev->uniq = hid->uniq;
1029 input_dev->id.bustype = hid->bus;
1030 input_dev->id.vendor = hid->vendor;
1031 input_dev->id.product = hid->product;
1032 input_dev->id.version = hid->version;
1033 input_dev->dev.parent = hid->dev;
1034 hidinput->input = input_dev;
1035 list_add_tail(&hidinput->list, &hid->inputs);
1036 }
1037
1038 for (i = 0; i < report->maxfield; i++)
1039 for (j = 0; j < report->field[i]->maxusage; j++)
1040 hidinput_configure_usage(hidinput, report->field[i],
1041 report->field[i]->usage + j);
1042
1043 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1044 /* This will leave hidinput NULL, so that it
1045 * allocates another one if we have more inputs on
1046 * the same interface. Some devices (e.g. Happ's
1047 * UGCI) cram a lot of unrelated inputs into the
1048 * same interface. */
1049 hidinput->report = report;
1050 if (input_register_device(hidinput->input))
1051 goto out_cleanup;
1052 hidinput = NULL;
1053 }
1054 }
1055
1056 if (hidinput && input_register_device(hidinput->input))
1057 goto out_cleanup;
1058
1059 return 0;
1060
1061 out_cleanup:
1062 input_free_device(hidinput->input);
1063 kfree(hidinput);
1064 out_unwind:
1065 /* unwind the ones we already registered */
1066 hidinput_disconnect(hid);
1067
1068 return -1;
1069 }
1070 EXPORT_SYMBOL_GPL(hidinput_connect);
1071
1072 void hidinput_disconnect(struct hid_device *hid)
1073 {
1074 struct hid_input *hidinput, *next;
1075
1076 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1077 list_del(&hidinput->list);
1078 input_unregister_device(hidinput->input);
1079 kfree(hidinput);
1080 }
1081 }
1082 EXPORT_SYMBOL_GPL(hidinput_disconnect);
1083
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