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-rw-r--r--usr/src/dkms_source_tree/hid-input.c1086
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diff --git a/usr/src/dkms_source_tree/hid-input.c b/usr/src/dkms_source_tree/hid-input.c
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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
35static int hid_apple_fnmode = 1;
36module_param_named(pb_fnmode, hid_apple_fnmode, int, 0644);
37MODULE_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
42static 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
63static 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
74static const struct {
75 __s32 x;
76 __s32 y;
77} hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
78
79#define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
80#define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
81#define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
82#define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
83
84#define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0)
85#define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0)
86
87#ifdef CONFIG_USB_HIDINPUT_POWERBOOK
88
89struct hidinput_key_translation {
90 u16 from;
91 u16 to;
92 u8 flags;
93};
94
95#define APPLE_FLAG_FKEY 0x01
96
97static struct hidinput_key_translation apple_fn_keys[] = {
98 { KEY_BACKSPACE, KEY_DELETE },
99 { KEY_ENTER, KEY_INSERT },
100 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
101 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
102 { KEY_F3, KEY_CYCLEWINDOWS, APPLE_FLAG_FKEY }, /* Exposé */
103 { KEY_F4, KEY_CALC, APPLE_FLAG_FKEY }, /* Dashboard */
104 { KEY_F5, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY },
105 { KEY_F6, KEY_KBDILLUMUP, APPLE_FLAG_FKEY },
106 { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY },
107 { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY },
108 { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY },
109 { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY },
110 { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
111 { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
112 { KEY_UP, KEY_PAGEUP },
113 { KEY_DOWN, KEY_PAGEDOWN },
114 { KEY_LEFT, KEY_HOME },
115 { KEY_RIGHT, KEY_END },
116 { }
117};
118
119static struct hidinput_key_translation powerbook_fn_keys[] = {
120 { KEY_BACKSPACE, KEY_DELETE },
121 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
122 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
123 { KEY_F3, KEY_MUTE, APPLE_FLAG_FKEY },
124 { KEY_F4, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
125 { KEY_F5, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
126 { KEY_F6, KEY_NUMLOCK, APPLE_FLAG_FKEY },
127 { KEY_F7, KEY_SWITCHVIDEOMODE, APPLE_FLAG_FKEY },
128 { KEY_F8, KEY_KBDILLUMTOGGLE, APPLE_FLAG_FKEY },
129 { KEY_F9, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY },
130 { KEY_F10, KEY_KBDILLUMUP, APPLE_FLAG_FKEY },
131 { KEY_UP, KEY_PAGEUP },
132 { KEY_DOWN, KEY_PAGEDOWN },
133 { KEY_LEFT, KEY_HOME },
134 { KEY_RIGHT, KEY_END },
135 { }
136};
137
138static struct hidinput_key_translation powerbook_numlock_keys[] = {
139 { KEY_J, KEY_KP1 },
140 { KEY_K, KEY_KP2 },
141 { KEY_L, KEY_KP3 },
142 { KEY_U, KEY_KP4 },
143 { KEY_I, KEY_KP5 },
144 { KEY_O, KEY_KP6 },
145 { KEY_7, KEY_KP7 },
146 { KEY_8, KEY_KP8 },
147 { KEY_9, KEY_KP9 },
148 { KEY_M, KEY_KP0 },
149 { KEY_DOT, KEY_KPDOT },
150 { KEY_SLASH, KEY_KPPLUS },
151 { KEY_SEMICOLON, KEY_KPMINUS },
152 { KEY_P, KEY_KPASTERISK },
153 { KEY_MINUS, KEY_KPEQUAL },
154 { KEY_0, KEY_KPSLASH },
155 { KEY_F6, KEY_NUMLOCK },
156 { KEY_KPENTER, KEY_KPENTER },
157 { KEY_BACKSPACE, KEY_BACKSPACE },
158 { }
159};
160
161static struct hidinput_key_translation apple_iso_keyboard[] = {
162 { KEY_GRAVE, KEY_102ND },
163 { KEY_102ND, KEY_GRAVE },
164 { }
165};
166
167static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
168{
169 struct hidinput_key_translation *trans;
170
171 /* Look for the translation */
172 for (trans = table; trans->from; trans++)
173 if (trans->from == from)
174 return trans;
175
176 return NULL;
177}
178
179int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
180 struct hid_usage *usage, __s32 value)
181{
182 struct hidinput_key_translation *trans;
183
184 if (usage->code == KEY_FN) {
185 if (value) hid->quirks |= HID_QUIRK_APPLE_FN_ON;
186 else hid->quirks &= ~HID_QUIRK_APPLE_FN_ON;
187
188 input_event(input, usage->type, usage->code, value);
189
190 return 1;
191 }
192
193 if (hid_apple_fnmode) {
194 int do_translate;
195
196 trans = find_translation((hid->product < 0x220 ||
197 hid->product >= 0x300) ?
198 powerbook_fn_keys : apple_fn_keys,
199 usage->code);
200 if (trans) {
201 if (test_bit(usage->code, hid->apple_pressed_fn))
202 do_translate = 1;
203 else if (trans->flags & APPLE_FLAG_FKEY)
204 do_translate =
205 (hid_apple_fnmode == 2 && (hid->quirks & HID_QUIRK_APPLE_FN_ON)) ||
206 (hid_apple_fnmode == 1 && !(hid->quirks & HID_QUIRK_APPLE_FN_ON));
207 else
208 do_translate = (hid->quirks & HID_QUIRK_APPLE_FN_ON);
209
210 if (do_translate) {
211 if (value)
212 set_bit(usage->code, hid->apple_pressed_fn);
213 else
214 clear_bit(usage->code, hid->apple_pressed_fn);
215
216 input_event(input, usage->type, trans->to, value);
217
218 return 1;
219 }
220 }
221
222 if (hid->quirks & HID_QUIRK_APPLE_NUMLOCK_EMULATION && (
223 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
251static 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
272inline 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
279static inline void hidinput_apple_setup(struct input_dev *input)
280{
281}
282#endif
283
284static 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
291static inline int match_keycode(int code, int keycode)
292{
293 if (keycode == 0)
294 return 1;
295 return (code == keycode);
296}
297
298static 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
321static 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
335static 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
365static 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 /* handle input mappings for quirky devices */
390 ret = hidinput_mapping_quirks(usage, input, &bit, &max);
391 if (ret)
392 goto mapped;
393
394 switch (usage->hid & HID_USAGE_PAGE) {
395
396 case HID_UP_UNDEFINED:
397 goto ignore;
398
399 case HID_UP_KEYBOARD:
400
401 set_bit(EV_REP, input->evbit);
402
403 if ((usage->hid & HID_USAGE) < 256) {
404 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
405 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
406 } else
407 map_key(KEY_UNKNOWN);
408
409 break;
410
411 case HID_UP_BUTTON:
412
413 code = ((usage->hid - 1) & 0xf);
414
415 switch (field->application) {
416 case HID_GD_MOUSE:
417 case HID_GD_POINTER: code += 0x110; break;
418 case HID_GD_JOYSTICK: code += 0x120; break;
419 case HID_GD_GAMEPAD: code += 0x130; break;
420 default:
421 switch (field->physical) {
422 case HID_GD_MOUSE:
423 case HID_GD_POINTER: code += 0x110; break;
424 case HID_GD_JOYSTICK: code += 0x120; break;
425 case HID_GD_GAMEPAD: code += 0x130; break;
426 default: code += 0x100;
427 }
428 }
429
430 /* Special handling for Logitech Cordless Desktop */
431 if (field->application != HID_GD_MOUSE) {
432 if (device->quirks & HID_QUIRK_LOGITECH_EXPANDED_KEYMAP) {
433 int hid = usage->hid & HID_USAGE;
434 if (hid < LOGITECH_EXPANDED_KEYMAP_SIZE && logitech_expanded_keymap[hid] != 0)
435 code = logitech_expanded_keymap[hid];
436 }
437 } else {
438 if (device->quirks & HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL) {
439 int hid = usage->hid & HID_USAGE;
440 if (hid == 7 || hid == 8)
441 goto ignore;
442 }
443 }
444
445 map_key(code);
446 break;
447
448
449 case HID_UP_SIMULATION:
450
451 switch (usage->hid & 0xffff) {
452 case 0xba: map_abs(ABS_RUDDER); break;
453 case 0xbb: map_abs(ABS_THROTTLE); break;
454 case 0xc4: map_abs(ABS_GAS); break;
455 case 0xc5: map_abs(ABS_BRAKE); break;
456 case 0xc8: map_abs(ABS_WHEEL); break;
457 default: goto ignore;
458 }
459 break;
460
461 case HID_UP_GENDESK:
462
463 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
464 switch (usage->hid & 0xf) {
465 case 0x1: map_key_clear(KEY_POWER); break;
466 case 0x2: map_key_clear(KEY_SLEEP); break;
467 case 0x3: map_key_clear(KEY_WAKEUP); break;
468 default: goto unknown;
469 }
470 break;
471 }
472
473 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
474 switch (usage->hid) {
475 case HID_GD_UP: usage->hat_dir = 1; break;
476 case HID_GD_DOWN: usage->hat_dir = 5; break;
477 case HID_GD_RIGHT: usage->hat_dir = 3; break;
478 case HID_GD_LEFT: usage->hat_dir = 7; break;
479 default: goto unknown;
480 }
481 if (field->dpad) {
482 map_abs(field->dpad);
483 goto ignore;
484 }
485 map_abs(ABS_HAT0X);
486 break;
487 }
488
489 switch (usage->hid) {
490
491 /* These usage IDs map directly to the usage codes. */
492 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
493 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
494 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
495 if (field->flags & HID_MAIN_ITEM_RELATIVE)
496 map_rel(usage->hid & 0xf);
497 else
498 map_abs(usage->hid & 0xf);
499 break;
500
501 case HID_GD_HATSWITCH:
502 usage->hat_min = field->logical_minimum;
503 usage->hat_max = field->logical_maximum;
504 map_abs(ABS_HAT0X);
505 break;
506
507 case HID_GD_START: map_key_clear(BTN_START); break;
508 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
509
510 default: goto unknown;
511 }
512
513 break;
514
515 case HID_UP_LED:
516
517 switch (usage->hid & 0xffff) { /* HID-Value: */
518 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */
519 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */
520 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */
521 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */
522 case 0x05: map_led (LED_KANA); break; /* "Kana" */
523 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */
524 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */
525 case 0x09: map_led (LED_MUTE); break; /* "Mute" */
526 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */
527 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */
528 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */
529
530 default: goto ignore;
531 }
532 break;
533
534 case HID_UP_DIGITIZER:
535
536 switch (usage->hid & 0xff) {
537
538 case 0x30: /* TipPressure */
539 if (!test_bit(BTN_TOUCH, input->keybit)) {
540 device->quirks |= HID_QUIRK_NOTOUCH;
541 set_bit(EV_KEY, input->evbit);
542 set_bit(BTN_TOUCH, input->keybit);
543 }
544
545 map_abs_clear(ABS_PRESSURE);
546 break;
547
548 case 0x32: /* InRange */
549 switch (field->physical & 0xff) {
550 case 0x21: map_key(BTN_TOOL_MOUSE); break;
551 case 0x22: map_key(BTN_TOOL_FINGER); break;
552 default: map_key(BTN_TOOL_PEN); break;
553 }
554 break;
555
556 case 0x3c: /* Invert */
557 map_key_clear(BTN_TOOL_RUBBER);
558 break;
559
560 case 0x33: /* Touch */
561 case 0x42: /* TipSwitch */
562 case 0x43: /* TipSwitch2 */
563 device->quirks &= ~HID_QUIRK_NOTOUCH;
564 map_key_clear(BTN_TOUCH);
565 break;
566
567 case 0x44: /* BarrelSwitch */
568 map_key_clear(BTN_STYLUS);
569 break;
570
571 default: goto unknown;
572 }
573 break;
574
575 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
576
577 switch (usage->hid & HID_USAGE) {
578 case 0x000: goto ignore;
579 case 0x034: map_key_clear(KEY_SLEEP); break;
580 case 0x036: map_key_clear(BTN_MISC); break;
581
582 case 0x040: map_key_clear(KEY_MENU); break;
583 case 0x045: map_key_clear(KEY_RADIO); break;
584
585 case 0x083: map_key_clear(KEY_LAST); break;
586 case 0x088: map_key_clear(KEY_PC); break;
587 case 0x089: map_key_clear(KEY_TV); break;
588 case 0x08a: map_key_clear(KEY_WWW); break;
589 case 0x08b: map_key_clear(KEY_DVD); break;
590 case 0x08c: map_key_clear(KEY_PHONE); break;
591 case 0x08d: map_key_clear(KEY_PROGRAM); break;
592 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break;
593 case 0x08f: map_key_clear(KEY_GAMES); break;
594 case 0x090: map_key_clear(KEY_MEMO); break;
595 case 0x091: map_key_clear(KEY_CD); break;
596 case 0x092: map_key_clear(KEY_VCR); break;
597 case 0x093: map_key_clear(KEY_TUNER); break;
598 case 0x094: map_key_clear(KEY_EXIT); break;
599 case 0x095: map_key_clear(KEY_HELP); break;
600 case 0x096: map_key_clear(KEY_TAPE); break;
601 case 0x097: map_key_clear(KEY_TV2); break;
602 case 0x098: map_key_clear(KEY_SAT); break;
603 case 0x09a: map_key_clear(KEY_PVR); break;
604
605 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
606 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
607 case 0x0a0: map_key_clear(KEY_VCR2); break;
608
609 case 0x0b0: map_key_clear(KEY_PLAY); break;
610 case 0x0b1: map_key_clear(KEY_PAUSE); break;
611 case 0x0b2: map_key_clear(KEY_RECORD); break;
612 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
613 case 0x0b4: map_key_clear(KEY_REWIND); break;
614 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
615 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
616 case 0x0b7: map_key_clear(KEY_STOPCD); break;
617 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
618 case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break;
619
620 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
621 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
622 case 0x0e2: map_key_clear(KEY_MUTE); break;
623 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
624 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
625 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
626
627 case 0x182: map_key_clear(KEY_BOOKMARKS); break;
628 case 0x183: map_key_clear(KEY_CONFIG); break;
629 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
630 case 0x185: map_key_clear(KEY_EDITOR); break;
631 case 0x186: map_key_clear(KEY_SPREADSHEET); break;
632 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break;
633 case 0x188: map_key_clear(KEY_PRESENTATION); break;
634 case 0x189: map_key_clear(KEY_DATABASE); break;
635 case 0x18a: map_key_clear(KEY_MAIL); break;
636 case 0x18b: map_key_clear(KEY_NEWS); break;
637 case 0x18c: map_key_clear(KEY_VOICEMAIL); break;
638 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break;
639 case 0x18e: map_key_clear(KEY_CALENDAR); break;
640 case 0x191: map_key_clear(KEY_FINANCE); break;
641 case 0x192: map_key_clear(KEY_CALC); break;
642 case 0x194: map_key_clear(KEY_FILE); break;
643 case 0x196: map_key_clear(KEY_WWW); break;
644 case 0x19c: map_key_clear(KEY_LOGOFF); break;
645 case 0x19e: map_key_clear(KEY_COFFEE); break;
646 case 0x1a6: map_key_clear(KEY_HELP); break;
647 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
648 case 0x1ab: map_key_clear(KEY_SPELLCHECK); break;
649 case 0x1b6: map_key_clear(KEY_MEDIA); break;
650 case 0x1b7: map_key_clear(KEY_SOUND); break;
651 case 0x1bc: map_key_clear(KEY_MESSENGER); break;
652 case 0x1bd: map_key_clear(KEY_INFO); break;
653 case 0x201: map_key_clear(KEY_NEW); break;
654 case 0x202: map_key_clear(KEY_OPEN); break;
655 case 0x203: map_key_clear(KEY_CLOSE); break;
656 case 0x204: map_key_clear(KEY_EXIT); break;
657 case 0x207: map_key_clear(KEY_SAVE); break;
658 case 0x208: map_key_clear(KEY_PRINT); break;
659 case 0x209: map_key_clear(KEY_PROPS); break;
660 case 0x21a: map_key_clear(KEY_UNDO); break;
661 case 0x21b: map_key_clear(KEY_COPY); break;
662 case 0x21c: map_key_clear(KEY_CUT); break;
663 case 0x21d: map_key_clear(KEY_PASTE); break;
664 case 0x21f: map_key_clear(KEY_FIND); break;
665 case 0x221: map_key_clear(KEY_SEARCH); break;
666 case 0x222: map_key_clear(KEY_GOTO); break;
667 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
668 case 0x224: map_key_clear(KEY_BACK); break;
669 case 0x225: map_key_clear(KEY_FORWARD); break;
670 case 0x226: map_key_clear(KEY_STOP); break;
671 case 0x227: map_key_clear(KEY_REFRESH); break;
672 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
673 case 0x22d: map_key_clear(KEY_ZOOMIN); break;
674 case 0x22e: map_key_clear(KEY_ZOOMOUT); break;
675 case 0x22f: map_key_clear(KEY_ZOOMRESET); break;
676 case 0x233: map_key_clear(KEY_SCROLLUP); break;
677 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
678 case 0x238: map_rel(REL_HWHEEL); break;
679 case 0x25f: map_key_clear(KEY_CANCEL); break;
680 case 0x279: map_key_clear(KEY_REDO); break;
681
682 case 0x289: map_key_clear(KEY_REPLY); break;
683 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
684 case 0x28c: map_key_clear(KEY_SEND); break;
685
686 default: goto ignore;
687 }
688 break;
689
690 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
691
692 set_bit(EV_REP, input->evbit);
693 switch (usage->hid & HID_USAGE) {
694 case 0x021: map_key_clear(KEY_PRINT); break;
695 case 0x070: map_key_clear(KEY_HP); break;
696 case 0x071: map_key_clear(KEY_CAMERA); break;
697 case 0x072: map_key_clear(KEY_SOUND); break;
698 case 0x073: map_key_clear(KEY_QUESTION); break;
699 case 0x080: map_key_clear(KEY_EMAIL); break;
700 case 0x081: map_key_clear(KEY_CHAT); break;
701 case 0x082: map_key_clear(KEY_SEARCH); break;
702 case 0x083: map_key_clear(KEY_CONNECT); break;
703 case 0x084: map_key_clear(KEY_FINANCE); break;
704 case 0x085: map_key_clear(KEY_SPORT); break;
705 case 0x086: map_key_clear(KEY_SHOP); break;
706 default: goto ignore;
707 }
708 break;
709
710 case HID_UP_MSVENDOR:
711
712 goto ignore;
713
714 case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */
715
716 set_bit(EV_REP, input->evbit);
717 switch(usage->hid & HID_USAGE) {
718 case 0x003:
719 /* The fn key on Apple USB keyboards */
720 map_key_clear(KEY_FN);
721 hidinput_apple_setup(input);
722 break;
723
724 default: goto ignore;
725 }
726 break;
727
728 case HID_UP_LOGIVENDOR:
729
730 goto ignore;
731
732 case HID_UP_PID:
733
734 switch(usage->hid & HID_USAGE) {
735 case 0xa4: map_key_clear(BTN_DEAD); break;
736 default: goto ignore;
737 }
738 break;
739
740 default:
741 unknown:
742 if (field->report_size == 1) {
743 if (field->report->type == HID_OUTPUT_REPORT) {
744 map_led(LED_MISC);
745 break;
746 }
747 map_key(BTN_MISC);
748 break;
749 }
750 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
751 map_rel(REL_MISC);
752 break;
753 }
754 map_abs(ABS_MISC);
755 break;
756 }
757
758mapped:
759 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
760 if (usage->hid == HID_GD_Z)
761 map_rel(REL_HWHEEL);
762 else if (usage->code == BTN_1)
763 map_key(BTN_2);
764 else if (usage->code == BTN_2)
765 map_key(BTN_1);
766 }
767
768 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5 |
769 HID_QUIRK_2WHEEL_MOUSE_HACK_B8)) && (usage->type == EV_REL) &&
770 (usage->code == REL_WHEEL))
771 set_bit(REL_HWHEEL, bit);
772
773 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
774 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
775 goto ignore;
776
777 if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
778 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
779 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
780
781 set_bit(usage->type, input->evbit);
782
783 if (device->quirks & HID_QUIRK_DUPLICATE_USAGES &&
784 (usage->type == EV_KEY ||
785 usage->type == EV_REL ||
786 usage->type == EV_ABS))
787 clear_bit(usage->code, bit);
788
789 while (usage->code <= max && test_and_set_bit(usage->code, bit))
790 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
791
792 if (usage->code > max)
793 goto ignore;
794
795
796 if (usage->type == EV_ABS) {
797
798 int a = field->logical_minimum;
799 int b = field->logical_maximum;
800
801 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
802 a = field->logical_minimum = 0;
803 b = field->logical_maximum = 255;
804 }
805
806 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
807 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
808 else input_set_abs_params(input, usage->code, a, b, 0, 0);
809
810 }
811
812 if (usage->type == EV_ABS &&
813 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
814 int i;
815 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
816 input_set_abs_params(input, i, -1, 1, 0, 0);
817 set_bit(i, input->absbit);
818 }
819 if (usage->hat_dir && !field->dpad)
820 field->dpad = usage->code;
821 }
822
823 /* for those devices which produce Consumer volume usage as relative,
824 * we emulate pressing volumeup/volumedown appropriate number of times
825 * in hidinput_hid_event()
826 */
827 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
828 (usage->code == ABS_VOLUME)) {
829 set_bit(KEY_VOLUMEUP, input->keybit);
830 set_bit(KEY_VOLUMEDOWN, input->keybit);
831 }
832
833 if (usage->type == EV_KEY) {
834 set_bit(EV_MSC, input->evbit);
835 set_bit(MSC_SCAN, input->mscbit);
836 }
837
838 hid_resolv_event(usage->type, usage->code);
839
840 dbg_hid_line("\n");
841
842 return;
843
844ignore:
845 dbg_hid_line("IGNORED\n");
846 return;
847}
848
849void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
850{
851 struct input_dev *input;
852 unsigned *quirks = &hid->quirks;
853
854 if (!field->hidinput)
855 return;
856
857 input = field->hidinput->input;
858
859 if (!usage->type)
860 return;
861
862 /* handle input events for quirky devices */
863 if (hidinput_event_quirks(hid, field, usage, value))
864 return;
865
866 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
867 int hat_dir = usage->hat_dir;
868 if (!hat_dir)
869 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
870 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
871 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
872 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
873 return;
874 }
875
876 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
877 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
878 return;
879 }
880
881 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
882 if (value) {
883 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
884 return;
885 }
886 input_event(input, usage->type, usage->code, 0);
887 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
888 return;
889 }
890
891 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
892 int a = field->logical_minimum;
893 int b = field->logical_maximum;
894 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
895 }
896
897 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
898 dbg_hid("Maximum Effects - %d\n",value);
899 return;
900 }
901
902 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
903 dbg_hid("PID Pool Report\n");
904 return;
905 }
906
907 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
908 return;
909
910 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
911 (usage->code == ABS_VOLUME)) {
912 int count = abs(value);
913 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
914 int i;
915
916 for (i = 0; i < count; i++) {
917 input_event(input, EV_KEY, direction, 1);
918 input_sync(input);
919 input_event(input, EV_KEY, direction, 0);
920 input_sync(input);
921 }
922 return;
923 }
924
925 /* report the usage code as scancode if the key status has changed */
926 if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
927 input_event(input, EV_MSC, MSC_SCAN, usage->hid);
928
929 input_event(input, usage->type, usage->code, value);
930
931 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
932 input_event(input, usage->type, usage->code, 0);
933}
934
935void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
936{
937 struct hid_input *hidinput;
938
939 list_for_each_entry(hidinput, &hid->inputs, list)
940 input_sync(hidinput->input);
941}
942EXPORT_SYMBOL_GPL(hidinput_report_event);
943
944int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
945{
946 struct hid_report *report;
947 int i, j;
948
949 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
950 for (i = 0; i < report->maxfield; i++) {
951 *field = report->field[i];
952 for (j = 0; j < (*field)->maxusage; j++)
953 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
954 return j;
955 }
956 }
957 return -1;
958}
959EXPORT_SYMBOL_GPL(hidinput_find_field);
960
961static int hidinput_open(struct input_dev *dev)
962{
963 struct hid_device *hid = input_get_drvdata(dev);
964
965 return hid->hid_open(hid);
966}
967
968static void hidinput_close(struct input_dev *dev)
969{
970 struct hid_device *hid = input_get_drvdata(dev);
971
972 hid->hid_close(hid);
973}
974
975/*
976 * Register the input device; print a message.
977 * Configure the input layer interface
978 * Read all reports and initialize the absolute field values.
979 */
980
981int hidinput_connect(struct hid_device *hid)
982{
983 struct hid_report *report;
984 struct hid_input *hidinput = NULL;
985 struct input_dev *input_dev;
986 int i, j, k;
987 int max_report_type = HID_OUTPUT_REPORT;
988
989 if (hid->quirks & HID_QUIRK_IGNORE_HIDINPUT)
990 return -1;
991
992 INIT_LIST_HEAD(&hid->inputs);
993
994 for (i = 0; i < hid->maxcollection; i++)
995 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
996 hid->collection[i].type == HID_COLLECTION_PHYSICAL)
997 if (IS_INPUT_APPLICATION(hid->collection[i].usage))
998 break;
999
1000 if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0)
1001 return -1;
1002
1003 if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
1004 max_report_type = HID_INPUT_REPORT;
1005
1006 for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
1007 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
1008
1009 if (!report->maxfield)
1010 continue;
1011
1012 if (!hidinput) {
1013 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
1014 input_dev = input_allocate_device();
1015 if (!hidinput || !input_dev) {
1016 kfree(hidinput);
1017 input_free_device(input_dev);
1018 err_hid("Out of memory during hid input probe");
1019 goto out_unwind;
1020 }
1021
1022 input_set_drvdata(input_dev, hid);
1023 input_dev->event = hid->hidinput_input_event;
1024 input_dev->open = hidinput_open;
1025 input_dev->close = hidinput_close;
1026 input_dev->setkeycode = hidinput_setkeycode;
1027 input_dev->getkeycode = hidinput_getkeycode;
1028
1029 input_dev->name = hid->name;
1030 input_dev->phys = hid->phys;
1031 input_dev->uniq = hid->uniq;
1032 input_dev->id.bustype = hid->bus;
1033 input_dev->id.vendor = hid->vendor;
1034 input_dev->id.product = hid->product;
1035 input_dev->id.version = hid->version;
1036 input_dev->dev.parent = hid->dev;
1037 hidinput->input = input_dev;
1038 list_add_tail(&hidinput->list, &hid->inputs);
1039 }
1040
1041 for (i = 0; i < report->maxfield; i++)
1042 for (j = 0; j < report->field[i]->maxusage; j++)
1043 hidinput_configure_usage(hidinput, report->field[i],
1044 report->field[i]->usage + j);
1045
1046 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1047 /* This will leave hidinput NULL, so that it
1048 * allocates another one if we have more inputs on
1049 * the same interface. Some devices (e.g. Happ's
1050 * UGCI) cram a lot of unrelated inputs into the
1051 * same interface. */
1052 hidinput->report = report;
1053 if (input_register_device(hidinput->input))
1054 goto out_cleanup;
1055 hidinput = NULL;
1056 }
1057 }
1058
1059 if (hidinput && input_register_device(hidinput->input))
1060 goto out_cleanup;
1061
1062 return 0;
1063
1064out_cleanup:
1065 input_free_device(hidinput->input);
1066 kfree(hidinput);
1067out_unwind:
1068 /* unwind the ones we already registered */
1069 hidinput_disconnect(hid);
1070
1071 return -1;
1072}
1073EXPORT_SYMBOL_GPL(hidinput_connect);
1074
1075void hidinput_disconnect(struct hid_device *hid)
1076{
1077 struct hid_input *hidinput, *next;
1078
1079 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1080 list_del(&hidinput->list);
1081 input_unregister_device(hidinput->input);
1082 kfree(hidinput);
1083 }
1084}
1085EXPORT_SYMBOL_GPL(hidinput_disconnect);
1086
generated by cgit v1.2.3 (git 2.39.1) at 2026-09-20 15:32:18 +0000