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Driver core: fix race in __device_release_driver
[linux-2.6/mini2440.git] / drivers / hid / hid-input.c
blob0b27da7d749700b4d0e2481b7c121ce9fa033aaa
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_pb_fnmode = 1;
38 module_param_named(pb_fnmode, hid_pb_fnmode, int, 0644);
39 MODULE_PARM_DESC(pb_fnmode,
40 "Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
41
42 #define unk KEY_UNKNOWN
43
44 static const unsigned char hid_keyboard[256] = {
45 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
46 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3,
47 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
48 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
49 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
50 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
51 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
52 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
53 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
54 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
55 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
56 unk,unk,unk,unk,unk,unk,179,180,unk,unk,unk,unk,unk,unk,unk,unk,
57 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
58 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
59 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
60 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
61 };
62
63 /* extended mapping for certain Logitech hardware (Logitech cordless desktop LX500) */
64 #define LOGITECH_EXPANDED_KEYMAP_SIZE 80
65 static int logitech_expanded_keymap[LOGITECH_EXPANDED_KEYMAP_SIZE] = {
66 0,216, 0,213,175,156, 0, 0, 0, 0,
67 144, 0, 0, 0, 0, 0, 0, 0, 0,212,
68 174,167,152,161,112, 0, 0, 0,154, 0,
69 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
70 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
71 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
72 0, 0, 0, 0, 0,183,184,185,186,187,
73 188,189,190,191,192,193,194, 0, 0, 0
74 };
75
76 static const struct {
77 __s32 x;
78 __s32 y;
79 } hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
80
81 #define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
82 #define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
83 #define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
84 #define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
85
86 #define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0)
87 #define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0)
88
89 /* hardware needing special handling due to colliding MSVENDOR page usages */
90 #define IS_CHICONY_TACTICAL_PAD(x) (x->vendor == 0x04f2 && device->product == 0x0418)
91 #define IS_MS_KB(x) (x->vendor == 0x045e && (x->product == 0x00db || x->product == 0x00f9))
92
93 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK
94
95 struct hidinput_key_translation {
96 u16 from;
97 u16 to;
98 u8 flags;
99 };
100
101 #define POWERBOOK_FLAG_FKEY 0x01
102
103 static struct hidinput_key_translation powerbook_fn_keys[] = {
104 { KEY_BACKSPACE, KEY_DELETE },
105 { KEY_F1, KEY_BRIGHTNESSDOWN, POWERBOOK_FLAG_FKEY },
106 { KEY_F2, KEY_BRIGHTNESSUP, POWERBOOK_FLAG_FKEY },
107 { KEY_F3, KEY_MUTE, POWERBOOK_FLAG_FKEY },
108 { KEY_F4, KEY_VOLUMEDOWN, POWERBOOK_FLAG_FKEY },
109 { KEY_F5, KEY_VOLUMEUP, POWERBOOK_FLAG_FKEY },
110 { KEY_F6, KEY_NUMLOCK, POWERBOOK_FLAG_FKEY },
111 { KEY_F7, KEY_SWITCHVIDEOMODE, POWERBOOK_FLAG_FKEY },
112 { KEY_F8, KEY_KBDILLUMTOGGLE, POWERBOOK_FLAG_FKEY },
113 { KEY_F9, KEY_KBDILLUMDOWN, POWERBOOK_FLAG_FKEY },
114 { KEY_F10, KEY_KBDILLUMUP, POWERBOOK_FLAG_FKEY },
115 { KEY_UP, KEY_PAGEUP },
116 { KEY_DOWN, KEY_PAGEDOWN },
117 { KEY_LEFT, KEY_HOME },
118 { KEY_RIGHT, KEY_END },
119 { }
120 };
121
122 static struct hidinput_key_translation powerbook_numlock_keys[] = {
123 { KEY_J, KEY_KP1 },
124 { KEY_K, KEY_KP2 },
125 { KEY_L, KEY_KP3 },
126 { KEY_U, KEY_KP4 },
127 { KEY_I, KEY_KP5 },
128 { KEY_O, KEY_KP6 },
129 { KEY_7, KEY_KP7 },
130 { KEY_8, KEY_KP8 },
131 { KEY_9, KEY_KP9 },
132 { KEY_M, KEY_KP0 },
133 { KEY_DOT, KEY_KPDOT },
134 { KEY_SLASH, KEY_KPPLUS },
135 { KEY_SEMICOLON, KEY_KPMINUS },
136 { KEY_P, KEY_KPASTERISK },
137 { KEY_MINUS, KEY_KPEQUAL },
138 { KEY_0, KEY_KPSLASH },
139 { KEY_F6, KEY_NUMLOCK },
140 { KEY_KPENTER, KEY_KPENTER },
141 { KEY_BACKSPACE, KEY_BACKSPACE },
142 { }
143 };
144
145 static struct hidinput_key_translation powerbook_iso_keyboard[] = {
146 { KEY_GRAVE, KEY_102ND },
147 { KEY_102ND, KEY_GRAVE },
148 { }
149 };
150
151 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
152 {
153 struct hidinput_key_translation *trans;
154
155 /* Look for the translation */
156 for (trans = table; trans->from; trans++)
157 if (trans->from == from)
158 return trans;
159
160 return NULL;
161 }
162
163 static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
164 struct hid_usage *usage, __s32 value)
165 {
166 struct hidinput_key_translation *trans;
167
168 if (usage->code == KEY_FN) {
169 if (value) hid->quirks |= HID_QUIRK_POWERBOOK_FN_ON;
170 else hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON;
171
172 input_event(input, usage->type, usage->code, value);
173
174 return 1;
175 }
176
177 if (hid_pb_fnmode) {
178 int do_translate;
179
180 trans = find_translation(powerbook_fn_keys, usage->code);
181 if (trans) {
182 if (test_bit(usage->code, hid->pb_pressed_fn))
183 do_translate = 1;
184 else if (trans->flags & POWERBOOK_FLAG_FKEY)
185 do_translate =
186 (hid_pb_fnmode == 2 && (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) ||
187 (hid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON));
188 else
189 do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON);
190
191 if (do_translate) {
192 if (value)
193 set_bit(usage->code, hid->pb_pressed_fn);
194 else
195 clear_bit(usage->code, hid->pb_pressed_fn);
196
197 input_event(input, usage->type, trans->to, value);
198
199 return 1;
200 }
201 }
202
203 if (test_bit(usage->code, hid->pb_pressed_numlock) ||
204 test_bit(LED_NUML, input->led)) {
205 trans = find_translation(powerbook_numlock_keys, usage->code);
206
207 if (trans) {
208 if (value)
209 set_bit(usage->code, hid->pb_pressed_numlock);
210 else
211 clear_bit(usage->code, hid->pb_pressed_numlock);
212
213 input_event(input, usage->type, trans->to, value);
214 }
215
216 return 1;
217 }
218 }
219
220 if (hid->quirks & HID_QUIRK_POWERBOOK_ISO_KEYBOARD) {
221 trans = find_translation(powerbook_iso_keyboard, usage->code);
222 if (trans) {
223 input_event(input, usage->type, trans->to, value);
224 return 1;
225 }
226 }
227
228 return 0;
229 }
230
231 static void hidinput_pb_setup(struct input_dev *input)
232 {
233 struct hidinput_key_translation *trans;
234
235 set_bit(KEY_NUMLOCK, input->keybit);
236
237 /* Enable all needed keys */
238 for (trans = powerbook_fn_keys; trans->from; trans++)
239 set_bit(trans->to, input->keybit);
240
241 for (trans = powerbook_numlock_keys; trans->from; trans++)
242 set_bit(trans->to, input->keybit);
243
244 for (trans = powerbook_iso_keyboard; trans->from; trans++)
245 set_bit(trans->to, input->keybit);
246
247 }
248 #else
249 static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
250 struct hid_usage *usage, __s32 value)
251 {
252 return 0;
253 }
254
255 static inline void hidinput_pb_setup(struct input_dev *input)
256 {
257 }
258 #endif
259
260 static inline int match_scancode(int code, int scancode)
261 {
262 if (scancode == 0)
263 return 1;
264 return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode);
265 }
266
267 static inline int match_keycode(int code, int keycode)
268 {
269 if (keycode == 0)
270 return 1;
271 return (code == keycode);
272 }
273
274 static struct hid_usage *hidinput_find_key(struct hid_device *hid,
275 int scancode, int keycode)
276 {
277 int i, j, k;
278 struct hid_report *report;
279 struct hid_usage *usage;
280
281 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
282 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
283 for (i = 0; i < report->maxfield; i++) {
284 for ( j = 0; j < report->field[i]->maxusage; j++) {
285 usage = report->field[i]->usage + j;
286 if (usage->type == EV_KEY &&
287 match_scancode(usage->hid, scancode) &&
288 match_keycode(usage->code, keycode))
289 return usage;
290 }
291 }
292 }
293 }
294 return NULL;
295 }
296
297 static int hidinput_getkeycode(struct input_dev *dev, int scancode,
298 int *keycode)
299 {
300 struct hid_device *hid = input_get_drvdata(dev);
301 struct hid_usage *usage;
302
303 usage = hidinput_find_key(hid, scancode, 0);
304 if (usage) {
305 *keycode = usage->code;
306 return 0;
307 }
308 return -EINVAL;
309 }
310
311 static int hidinput_setkeycode(struct input_dev *dev, int scancode,
312 int keycode)
313 {
314 struct hid_device *hid = input_get_drvdata(dev);
315 struct hid_usage *usage;
316 int old_keycode;
317
318 if (keycode < 0 || keycode > KEY_MAX)
319 return -EINVAL;
320
321 usage = hidinput_find_key(hid, scancode, 0);
322 if (usage) {
323 old_keycode = usage->code;
324 usage->code = keycode;
325
326 clear_bit(old_keycode, dev->keybit);
327 set_bit(usage->code, dev->keybit);
328 dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode);
329 /* Set the keybit for the old keycode if the old keycode is used
330 * by another key */
331 if (hidinput_find_key (hid, 0, old_keycode))
332 set_bit(old_keycode, dev->keybit);
333
334 return 0;
335 }
336
337 return -EINVAL;
338 }
339
340
341 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
342 struct hid_usage *usage)
343 {
344 struct input_dev *input = hidinput->input;
345 struct hid_device *device = input_get_drvdata(input);
346 int max = 0, code;
347 unsigned long *bit = NULL;
348
349 field->hidinput = hidinput;
350
351 dbg_hid("Mapping: ");
352 hid_resolv_usage(usage->hid);
353 dbg_hid_line(" ---> ");
354
355 if (field->flags & HID_MAIN_ITEM_CONSTANT)
356 goto ignore;
357
358 /* only LED usages are supported in output fields */
359 if (field->report_type == HID_OUTPUT_REPORT &&
360 (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
361 dbg_hid_line(" [non-LED output field] ");
362 goto ignore;
363 }
364
365 switch (usage->hid & HID_USAGE_PAGE) {
366
367 case HID_UP_UNDEFINED:
368 goto ignore;
369
370 case HID_UP_KEYBOARD:
371
372 set_bit(EV_REP, input->evbit);
373
374 if ((usage->hid & HID_USAGE) < 256) {
375 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
376 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
377 } else
378 map_key(KEY_UNKNOWN);
379
380 break;
381
382 case HID_UP_BUTTON:
383
384 code = ((usage->hid - 1) & 0xf);
385
386 switch (field->application) {
387 case HID_GD_MOUSE:
388 case HID_GD_POINTER: code += 0x110; break;
389 case HID_GD_JOYSTICK: code += 0x120; break;
390 case HID_GD_GAMEPAD: code += 0x130; break;
391 default:
392 switch (field->physical) {
393 case HID_GD_MOUSE:
394 case HID_GD_POINTER: code += 0x110; break;
395 case HID_GD_JOYSTICK: code += 0x120; break;
396 case HID_GD_GAMEPAD: code += 0x130; break;
397 default: code += 0x100;
398 }
399 }
400
401 /* Special handling for Logitech Cordless Desktop */
402 if (field->application != HID_GD_MOUSE) {
403 if (device->quirks & HID_QUIRK_LOGITECH_EXPANDED_KEYMAP) {
404 int hid = usage->hid & HID_USAGE;
405 if (hid < LOGITECH_EXPANDED_KEYMAP_SIZE && logitech_expanded_keymap[hid] != 0)
406 code = logitech_expanded_keymap[hid];
407 }
408 } else {
409 if (device->quirks & HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL) {
410 int hid = usage->hid & HID_USAGE;
411 if (hid == 7 || hid == 8)
412 goto ignore;
413 }
414 }
415
416 map_key(code);
417 break;
418
419
420 case HID_UP_SIMULATION:
421
422 switch (usage->hid & 0xffff) {
423 case 0xba: map_abs(ABS_RUDDER); break;
424 case 0xbb: map_abs(ABS_THROTTLE); break;
425 case 0xc4: map_abs(ABS_GAS); break;
426 case 0xc5: map_abs(ABS_BRAKE); break;
427 case 0xc8: map_abs(ABS_WHEEL); break;
428 default: goto ignore;
429 }
430 break;
431
432 case HID_UP_GENDESK:
433
434 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
435 switch (usage->hid & 0xf) {
436 case 0x1: map_key_clear(KEY_POWER); break;
437 case 0x2: map_key_clear(KEY_SLEEP); break;
438 case 0x3: map_key_clear(KEY_WAKEUP); break;
439 default: goto unknown;
440 }
441 break;
442 }
443
444 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
445 switch (usage->hid) {
446 case HID_GD_UP: usage->hat_dir = 1; break;
447 case HID_GD_DOWN: usage->hat_dir = 5; break;
448 case HID_GD_RIGHT: usage->hat_dir = 3; break;
449 case HID_GD_LEFT: usage->hat_dir = 7; break;
450 default: goto unknown;
451 }
452 if (field->dpad) {
453 map_abs(field->dpad);
454 goto ignore;
455 }
456 map_abs(ABS_HAT0X);
457 break;
458 }
459
460 switch (usage->hid) {
461
462 /* These usage IDs map directly to the usage codes. */
463 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
464 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
465 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
466 if (field->flags & HID_MAIN_ITEM_RELATIVE)
467 map_rel(usage->hid & 0xf);
468 else
469 map_abs(usage->hid & 0xf);
470 break;
471
472 case HID_GD_HATSWITCH:
473 usage->hat_min = field->logical_minimum;
474 usage->hat_max = field->logical_maximum;
475 map_abs(ABS_HAT0X);
476 break;
477
478 case HID_GD_START: map_key_clear(BTN_START); break;
479 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
480
481 default: goto unknown;
482 }
483
484 break;
485
486 case HID_UP_LED:
487
488 switch (usage->hid & 0xffff) { /* HID-Value: */
489 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */
490 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */
491 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */
492 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */
493 case 0x05: map_led (LED_KANA); break; /* "Kana" */
494 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */
495 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */
496 case 0x09: map_led (LED_MUTE); break; /* "Mute" */
497 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */
498 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */
499 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */
500
501 default: goto ignore;
502 }
503 break;
504
505 case HID_UP_DIGITIZER:
506
507 switch (usage->hid & 0xff) {
508
509 case 0x30: /* TipPressure */
510 if (!test_bit(BTN_TOUCH, input->keybit)) {
511 device->quirks |= HID_QUIRK_NOTOUCH;
512 set_bit(EV_KEY, input->evbit);
513 set_bit(BTN_TOUCH, input->keybit);
514 }
515
516 map_abs_clear(ABS_PRESSURE);
517 break;
518
519 case 0x32: /* InRange */
520 switch (field->physical & 0xff) {
521 case 0x21: map_key(BTN_TOOL_MOUSE); break;
522 case 0x22: map_key(BTN_TOOL_FINGER); break;
523 default: map_key(BTN_TOOL_PEN); break;
524 }
525 break;
526
527 case 0x3c: /* Invert */
528 map_key_clear(BTN_TOOL_RUBBER);
529 break;
530
531 case 0x33: /* Touch */
532 case 0x42: /* TipSwitch */
533 case 0x43: /* TipSwitch2 */
534 device->quirks &= ~HID_QUIRK_NOTOUCH;
535 map_key_clear(BTN_TOUCH);
536 break;
537
538 case 0x44: /* BarrelSwitch */
539 map_key_clear(BTN_STYLUS);
540 break;
541
542 default: goto unknown;
543 }
544 break;
545
546 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
547
548 switch (usage->hid & HID_USAGE) {
549 case 0x000: goto ignore;
550 case 0x034: map_key_clear(KEY_SLEEP); break;
551 case 0x036: map_key_clear(BTN_MISC); break;
552 /*
553 * The next three are reported by Belkin wireless
554 * keyboard (1020:0006). These values are "reserved"
555 * in HUT 1.12.
556 */
557 case 0x03a: map_key_clear(KEY_SOUND); break;
558 case 0x03b: map_key_clear(KEY_CAMERA); break;
559 case 0x03c: map_key_clear(KEY_DOCUMENTS); break;
560
561 case 0x040: map_key_clear(KEY_MENU); break;
562 case 0x045: map_key_clear(KEY_RADIO); break;
563
564 case 0x083: map_key_clear(KEY_LAST); break;
565 case 0x088: map_key_clear(KEY_PC); break;
566 case 0x089: map_key_clear(KEY_TV); break;
567 case 0x08a: map_key_clear(KEY_WWW); break;
568 case 0x08b: map_key_clear(KEY_DVD); break;
569 case 0x08c: map_key_clear(KEY_PHONE); break;
570 case 0x08d: map_key_clear(KEY_PROGRAM); break;
571 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break;
572 case 0x08f: map_key_clear(KEY_GAMES); break;
573 case 0x090: map_key_clear(KEY_MEMO); break;
574 case 0x091: map_key_clear(KEY_CD); break;
575 case 0x092: map_key_clear(KEY_VCR); break;
576 case 0x093: map_key_clear(KEY_TUNER); break;
577 case 0x094: map_key_clear(KEY_EXIT); break;
578 case 0x095: map_key_clear(KEY_HELP); break;
579 case 0x096: map_key_clear(KEY_TAPE); break;
580 case 0x097: map_key_clear(KEY_TV2); break;
581 case 0x098: map_key_clear(KEY_SAT); break;
582 case 0x09a: map_key_clear(KEY_PVR); break;
583
584 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
585 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
586 case 0x0a0: map_key_clear(KEY_VCR2); break;
587
588 case 0x0b0: map_key_clear(KEY_PLAY); break;
589 case 0x0b1: map_key_clear(KEY_PAUSE); break;
590 case 0x0b2: map_key_clear(KEY_RECORD); break;
591 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
592 case 0x0b4: map_key_clear(KEY_REWIND); break;
593 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
594 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
595 case 0x0b7: map_key_clear(KEY_STOPCD); break;
596 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
597
598 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
599 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
600 case 0x0e2: map_key_clear(KEY_MUTE); break;
601 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
602 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
603 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
604
605 /* reserved in HUT 1.12. Reported on Petalynx remote */
606 case 0x0f6: map_key_clear(KEY_NEXT); break;
607 case 0x0fa: map_key_clear(KEY_BACK); break;
608
609 case 0x182: map_key_clear(KEY_BOOKMARKS); break;
610 case 0x183: map_key_clear(KEY_CONFIG); break;
611 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
612 case 0x185: map_key_clear(KEY_EDITOR); break;
613 case 0x186: map_key_clear(KEY_SPREADSHEET); break;
614 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break;
615 case 0x188: map_key_clear(KEY_PRESENTATION); break;
616 case 0x189: map_key_clear(KEY_DATABASE); break;
617 case 0x18a: map_key_clear(KEY_MAIL); break;
618 case 0x18b: map_key_clear(KEY_NEWS); break;
619 case 0x18c: map_key_clear(KEY_VOICEMAIL); break;
620 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break;
621 case 0x18e: map_key_clear(KEY_CALENDAR); break;
622 case 0x191: map_key_clear(KEY_FINANCE); break;
623 case 0x192: map_key_clear(KEY_CALC); break;
624 case 0x194: map_key_clear(KEY_FILE); break;
625 case 0x196: map_key_clear(KEY_WWW); break;
626 case 0x19c: map_key_clear(KEY_LOGOFF); break;
627 case 0x19e: map_key_clear(KEY_COFFEE); break;
628 case 0x1a6: map_key_clear(KEY_HELP); break;
629 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
630 case 0x1ab: map_key_clear(KEY_SPELLCHECK); break;
631 case 0x1b6: map_key_clear(KEY_MEDIA); break;
632 case 0x1b7: map_key_clear(KEY_SOUND); break;
633 case 0x1bc: map_key_clear(KEY_MESSENGER); break;
634 case 0x1bd: map_key_clear(KEY_INFO); break;
635 case 0x201: map_key_clear(KEY_NEW); break;
636 case 0x202: map_key_clear(KEY_OPEN); break;
637 case 0x203: map_key_clear(KEY_CLOSE); break;
638 case 0x204: map_key_clear(KEY_EXIT); break;
639 case 0x207: map_key_clear(KEY_SAVE); break;
640 case 0x208: map_key_clear(KEY_PRINT); break;
641 case 0x209: map_key_clear(KEY_PROPS); break;
642 case 0x21a: map_key_clear(KEY_UNDO); break;
643 case 0x21b: map_key_clear(KEY_COPY); break;
644 case 0x21c: map_key_clear(KEY_CUT); break;
645 case 0x21d: map_key_clear(KEY_PASTE); break;
646 case 0x21f: map_key_clear(KEY_FIND); break;
647 case 0x221: map_key_clear(KEY_SEARCH); break;
648 case 0x222: map_key_clear(KEY_GOTO); break;
649 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
650 case 0x224: map_key_clear(KEY_BACK); break;
651 case 0x225: map_key_clear(KEY_FORWARD); break;
652 case 0x226: map_key_clear(KEY_STOP); break;
653 case 0x227: map_key_clear(KEY_REFRESH); break;
654 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
655 case 0x22d: map_key_clear(KEY_ZOOMIN); break;
656 case 0x22e: map_key_clear(KEY_ZOOMOUT); break;
657 case 0x22f: map_key_clear(KEY_ZOOMRESET); break;
658 case 0x233: map_key_clear(KEY_SCROLLUP); break;
659 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
660 case 0x238: map_rel(REL_HWHEEL); break;
661 case 0x25f: map_key_clear(KEY_CANCEL); break;
662 case 0x279: map_key_clear(KEY_REDO); break;
663
664 case 0x289: map_key_clear(KEY_REPLY); break;
665 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
666 case 0x28c: map_key_clear(KEY_SEND); break;
667
668 /* Reported on a Cherry Cymotion keyboard */
669 case 0x301: map_key_clear(KEY_PROG1); break;
670 case 0x302: map_key_clear(KEY_PROG2); break;
671 case 0x303: map_key_clear(KEY_PROG3); break;
672
673 /* Reported on certain Logitech wireless keyboards */
674 case 0x1001: map_key_clear(KEY_MESSENGER); break;
675 case 0x1003: map_key_clear(KEY_SOUND); break;
676 case 0x1004: map_key_clear(KEY_VIDEO); break;
677 case 0x1005: map_key_clear(KEY_AUDIO); break;
678 case 0x100a: map_key_clear(KEY_DOCUMENTS); break;
679 case 0x1011: map_key_clear(KEY_PREVIOUSSONG); break;
680 case 0x1012: map_key_clear(KEY_NEXTSONG); break;
681 case 0x1013: map_key_clear(KEY_CAMERA); break;
682 case 0x1014: map_key_clear(KEY_MESSENGER); break;
683 case 0x1015: map_key_clear(KEY_RECORD); break;
684 case 0x1016: map_key_clear(KEY_PLAYER); break;
685 case 0x1017: map_key_clear(KEY_EJECTCD); break;
686 case 0x1018: map_key_clear(KEY_MEDIA); break;
687 case 0x1019: map_key_clear(KEY_PROG1); break;
688 case 0x101a: map_key_clear(KEY_PROG2); break;
689 case 0x101b: map_key_clear(KEY_PROG3); break;
690 case 0x101f: map_key_clear(KEY_ZOOMIN); break;
691 case 0x1020: map_key_clear(KEY_ZOOMOUT); break;
692 case 0x1021: map_key_clear(KEY_ZOOMRESET); break;
693 case 0x1023: map_key_clear(KEY_CLOSE); break;
694 case 0x1027: map_key_clear(KEY_MENU); break;
695 /* this one is marked as 'Rotate' */
696 case 0x1028: map_key_clear(KEY_ANGLE); break;
697 case 0x1029: map_key_clear(KEY_SHUFFLE); break;
698 case 0x102a: map_key_clear(KEY_BACK); break;
699 case 0x102b: map_key_clear(KEY_CYCLEWINDOWS); break;
700 case 0x1041: map_key_clear(KEY_BATTERY); break;
701 case 0x1042: map_key_clear(KEY_WORDPROCESSOR); break;
702 case 0x1043: map_key_clear(KEY_SPREADSHEET); break;
703 case 0x1044: map_key_clear(KEY_PRESENTATION); break;
704 case 0x1045: map_key_clear(KEY_UNDO); break;
705 case 0x1046: map_key_clear(KEY_REDO); break;
706 case 0x1047: map_key_clear(KEY_PRINT); break;
707 case 0x1048: map_key_clear(KEY_SAVE); break;
708 case 0x1049: map_key_clear(KEY_PROG1); break;
709 case 0x104a: map_key_clear(KEY_PROG2); break;
710 case 0x104b: map_key_clear(KEY_PROG3); break;
711 case 0x104c: map_key_clear(KEY_PROG4); break;
712
713 default: goto ignore;
714 }
715 break;
716
717 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
718
719 set_bit(EV_REP, input->evbit);
720 switch (usage->hid & HID_USAGE) {
721 case 0x021: map_key_clear(KEY_PRINT); break;
722 case 0x070: map_key_clear(KEY_HP); break;
723 case 0x071: map_key_clear(KEY_CAMERA); break;
724 case 0x072: map_key_clear(KEY_SOUND); break;
725 case 0x073: map_key_clear(KEY_QUESTION); break;
726 case 0x080: map_key_clear(KEY_EMAIL); break;
727 case 0x081: map_key_clear(KEY_CHAT); break;
728 case 0x082: map_key_clear(KEY_SEARCH); break;
729 case 0x083: map_key_clear(KEY_CONNECT); break;
730 case 0x084: map_key_clear(KEY_FINANCE); break;
731 case 0x085: map_key_clear(KEY_SPORT); break;
732 case 0x086: map_key_clear(KEY_SHOP); break;
733 default: goto ignore;
734 }
735 break;
736
737 case HID_UP_MSVENDOR:
738
739 /* Unfortunately, there are multiple devices which
740 * emit usages from MSVENDOR page that require different
741 * handling. If this list grows too much in the future,
742 * more general handling will have to be introduced here
743 * (i.e. another blacklist).
744 */
745
746 /* Chicony Chicony KU-0418 tactical pad */
747 if (IS_CHICONY_TACTICAL_PAD(device)) {
748 set_bit(EV_REP, input->evbit);
749 switch(usage->hid & HID_USAGE) {
750 case 0xff01: map_key_clear(BTN_1); break;
751 case 0xff02: map_key_clear(BTN_2); break;
752 case 0xff03: map_key_clear(BTN_3); break;
753 case 0xff04: map_key_clear(BTN_4); break;
754 case 0xff05: map_key_clear(BTN_5); break;
755 case 0xff06: map_key_clear(BTN_6); break;
756 case 0xff07: map_key_clear(BTN_7); break;
757 case 0xff08: map_key_clear(BTN_8); break;
758 case 0xff09: map_key_clear(BTN_9); break;
759 case 0xff0a: map_key_clear(BTN_A); break;
760 case 0xff0b: map_key_clear(BTN_B); break;
761 default: goto ignore;
762 }
763
764 /* Microsoft Natural Ergonomic Keyboard 4000 */
765 } else if (IS_MS_KB(device)) {
766 switch(usage->hid & HID_USAGE) {
767 case 0xfd06:
768 map_key_clear(KEY_CHAT);
769 break;
770 case 0xfd07:
771 map_key_clear(KEY_PHONE);
772 break;
773 case 0xff05:
774 set_bit(EV_REP, input->evbit);
775 map_key_clear(KEY_F13);
776 set_bit(KEY_F14, input->keybit);
777 set_bit(KEY_F15, input->keybit);
778 set_bit(KEY_F16, input->keybit);
779 set_bit(KEY_F17, input->keybit);
780 set_bit(KEY_F18, input->keybit);
781 default: goto ignore;
782 }
783 } else {
784 goto ignore;
785 }
786 break;
787
788 case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
789
790 set_bit(EV_REP, input->evbit);
791 switch(usage->hid & HID_USAGE) {
792 case 0x003:
793 /* The fn key on Apple PowerBooks */
794 map_key_clear(KEY_FN);
795 hidinput_pb_setup(input);
796 break;
797
798 default: goto ignore;
799 }
800 break;
801
802 case HID_UP_LOGIVENDOR:
803 set_bit(EV_REP, input->evbit);
804 switch(usage->hid & HID_USAGE) {
805 /* Reported on Logitech Ultra X Media Remote */
806 case 0x004: map_key_clear(KEY_AGAIN); break;
807 case 0x00d: map_key_clear(KEY_HOME); break;
808 case 0x024: map_key_clear(KEY_SHUFFLE); break;
809 case 0x025: map_key_clear(KEY_TV); break;
810 case 0x026: map_key_clear(KEY_MENU); break;
811 case 0x031: map_key_clear(KEY_AUDIO); break;
812 case 0x032: map_key_clear(KEY_TEXT); break;
813 case 0x033: map_key_clear(KEY_LAST); break;
814 case 0x047: map_key_clear(KEY_MP3); break;
815 case 0x048: map_key_clear(KEY_DVD); break;
816 case 0x049: map_key_clear(KEY_MEDIA); break;
817 case 0x04a: map_key_clear(KEY_VIDEO); break;
818 case 0x04b: map_key_clear(KEY_ANGLE); break;
819 case 0x04c: map_key_clear(KEY_LANGUAGE); break;
820 case 0x04d: map_key_clear(KEY_SUBTITLE); break;
821 case 0x051: map_key_clear(KEY_RED); break;
822 case 0x052: map_key_clear(KEY_CLOSE); break;
823
824 /* Reported on Petalynx Maxter remote */
825 case 0x05a: map_key_clear(KEY_TEXT); break;
826 case 0x05b: map_key_clear(KEY_RED); break;
827 case 0x05c: map_key_clear(KEY_GREEN); break;
828 case 0x05d: map_key_clear(KEY_YELLOW); break;
829 case 0x05e: map_key_clear(KEY_BLUE); break;
830
831 default: goto ignore;
832 }
833 break;
834
835 case HID_UP_PID:
836
837 switch(usage->hid & HID_USAGE) {
838 case 0xa4: map_key_clear(BTN_DEAD); break;
839 default: goto ignore;
840 }
841 break;
842
843 default:
844 unknown:
845 if (field->report_size == 1) {
846 if (field->report->type == HID_OUTPUT_REPORT) {
847 map_led(LED_MISC);
848 break;
849 }
850 map_key(BTN_MISC);
851 break;
852 }
853 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
854 map_rel(REL_MISC);
855 break;
856 }
857 map_abs(ABS_MISC);
858 break;
859 }
860
861 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
862 if (usage->hid == HID_GD_Z)
863 map_rel(REL_HWHEEL);
864 else if (usage->code == BTN_1)
865 map_key(BTN_2);
866 else if (usage->code == BTN_2)
867 map_key(BTN_1);
868 }
869
870 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
871 (usage->type == EV_REL) && (usage->code == REL_WHEEL))
872 set_bit(REL_HWHEEL, bit);
873
874 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
875 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
876 goto ignore;
877
878 if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
879 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
880 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
881
882 set_bit(usage->type, input->evbit);
883
884 if (device->quirks & HID_QUIRK_DUPLICATE_USAGES &&
885 (usage->type == EV_KEY ||
886 usage->type == EV_REL ||
887 usage->type == EV_ABS))
888 clear_bit(usage->code, bit);
889
890 while (usage->code <= max && test_and_set_bit(usage->code, bit))
891 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
892
893 if (usage->code > max)
894 goto ignore;
895
896
897 if (usage->type == EV_ABS) {
898
899 int a = field->logical_minimum;
900 int b = field->logical_maximum;
901
902 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
903 a = field->logical_minimum = 0;
904 b = field->logical_maximum = 255;
905 }
906
907 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
908 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
909 else input_set_abs_params(input, usage->code, a, b, 0, 0);
910
911 }
912
913 if (usage->type == EV_ABS &&
914 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
915 int i;
916 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
917 input_set_abs_params(input, i, -1, 1, 0, 0);
918 set_bit(i, input->absbit);
919 }
920 if (usage->hat_dir && !field->dpad)
921 field->dpad = usage->code;
922 }
923
924 /* for those devices which produce Consumer volume usage as relative,
925 * we emulate pressing volumeup/volumedown appropriate number of times
926 * in hidinput_hid_event()
927 */
928 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
929 (usage->code == ABS_VOLUME)) {
930 set_bit(KEY_VOLUMEUP, input->keybit);
931 set_bit(KEY_VOLUMEDOWN, input->keybit);
932 }
933
934 if (usage->type == EV_KEY) {
935 set_bit(EV_MSC, input->evbit);
936 set_bit(MSC_SCAN, input->mscbit);
937 }
938
939 hid_resolv_event(usage->type, usage->code);
940
941 dbg_hid_line("\n");
942
943 return;
944
945 ignore:
946 dbg_hid_line("IGNORED\n");
947 return;
948 }
949
950 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
951 {
952 struct input_dev *input;
953 unsigned *quirks = &hid->quirks;
954
955 if (!field->hidinput)
956 return;
957
958 input = field->hidinput->input;
959
960 if (!usage->type)
961 return;
962
963 if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
964 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
965 if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
966 else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
967 return;
968 }
969
970 if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
971 input_event(input, usage->type, usage->code, -value);
972 return;
973 }
974
975 if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
976 input_event(input, usage->type, REL_HWHEEL, value);
977 return;
978 }
979
980 if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value))
981 return;
982
983 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
984 int hat_dir = usage->hat_dir;
985 if (!hat_dir)
986 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
987 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
988 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
989 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
990 return;
991 }
992
993 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
994 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
995 return;
996 }
997
998 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
999 if (value) {
1000 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
1001 return;
1002 }
1003 input_event(input, usage->type, usage->code, 0);
1004 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
1005 return;
1006 }
1007
1008 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
1009 int a = field->logical_minimum;
1010 int b = field->logical_maximum;
1011 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
1012 }
1013
1014 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
1015 dbg_hid("Maximum Effects - %d\n",value);
1016 return;
1017 }
1018
1019 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
1020 dbg_hid("PID Pool Report\n");
1021 return;
1022 }
1023
1024 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
1025 return;
1026
1027 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
1028 (usage->code == ABS_VOLUME)) {
1029 int count = abs(value);
1030 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
1031 int i;
1032
1033 for (i = 0; i < count; i++) {
1034 input_event(input, EV_KEY, direction, 1);
1035 input_sync(input);
1036 input_event(input, EV_KEY, direction, 0);
1037 input_sync(input);
1038 }
1039 return;
1040 }
1041
1042 /* Handling MS keyboards special buttons */
1043 if (IS_MS_KB(hid) && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
1044 int key = 0;
1045 static int last_key = 0;
1046 switch (value) {
1047 case 0x01: key = KEY_F14; break;
1048 case 0x02: key = KEY_F15; break;
1049 case 0x04: key = KEY_F16; break;
1050 case 0x08: key = KEY_F17; break;
1051 case 0x10: key = KEY_F18; break;
1052 default: break;
1053 }
1054 if (key) {
1055 input_event(input, usage->type, key, 1);
1056 last_key = key;
1057 } else {
1058 input_event(input, usage->type, last_key, 0);
1059 }
1060 }
1061 /* report the usage code as scancode if the key status has changed */
1062 if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
1063 input_event(input, EV_MSC, MSC_SCAN, usage->hid);
1064
1065 input_event(input, usage->type, usage->code, value);
1066
1067 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
1068 input_event(input, usage->type, usage->code, 0);
1069 }
1070
1071 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
1072 {
1073 struct hid_input *hidinput;
1074
1075 list_for_each_entry(hidinput, &hid->inputs, list)
1076 input_sync(hidinput->input);
1077 }
1078 EXPORT_SYMBOL_GPL(hidinput_report_event);
1079
1080 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
1081 {
1082 struct hid_report *report;
1083 int i, j;
1084
1085 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
1086 for (i = 0; i < report->maxfield; i++) {
1087 *field = report->field[i];
1088 for (j = 0; j < (*field)->maxusage; j++)
1089 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
1090 return j;
1091 }
1092 }
1093 return -1;
1094 }
1095 EXPORT_SYMBOL_GPL(hidinput_find_field);
1096
1097 static int hidinput_open(struct input_dev *dev)
1098 {
1099 struct hid_device *hid = input_get_drvdata(dev);
1100
1101 return hid->hid_open(hid);
1102 }
1103
1104 static void hidinput_close(struct input_dev *dev)
1105 {
1106 struct hid_device *hid = input_get_drvdata(dev);
1107
1108 hid->hid_close(hid);
1109 }
1110
1111 /*
1112 * Register the input device; print a message.
1113 * Configure the input layer interface
1114 * Read all reports and initialize the absolute field values.
1115 */
1116
1117 int hidinput_connect(struct hid_device *hid)
1118 {
1119 struct hid_report *report;
1120 struct hid_input *hidinput = NULL;
1121 struct input_dev *input_dev;
1122 int i, j, k;
1123 int max_report_type = HID_OUTPUT_REPORT;
1124
1125 if (hid->quirks & HID_QUIRK_IGNORE_HIDINPUT)
1126 return -1;
1127
1128 INIT_LIST_HEAD(&hid->inputs);
1129
1130 for (i = 0; i < hid->maxcollection; i++)
1131 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
1132 hid->collection[i].type == HID_COLLECTION_PHYSICAL)
1133 if (IS_INPUT_APPLICATION(hid->collection[i].usage))
1134 break;
1135
1136 if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0)
1137 return -1;
1138
1139 if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
1140 max_report_type = HID_INPUT_REPORT;
1141
1142 for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
1143 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
1144
1145 if (!report->maxfield)
1146 continue;
1147
1148 if (!hidinput) {
1149 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
1150 input_dev = input_allocate_device();
1151 if (!hidinput || !input_dev) {
1152 kfree(hidinput);
1153 input_free_device(input_dev);
1154 err_hid("Out of memory during hid input probe");
1155 goto out_unwind;
1156 }
1157
1158 input_set_drvdata(input_dev, hid);
1159 input_dev->event = hid->hidinput_input_event;
1160 input_dev->open = hidinput_open;
1161 input_dev->close = hidinput_close;
1162 input_dev->setkeycode = hidinput_setkeycode;
1163 input_dev->getkeycode = hidinput_getkeycode;
1164
1165 input_dev->name = hid->name;
1166 input_dev->phys = hid->phys;
1167 input_dev->uniq = hid->uniq;
1168 input_dev->id.bustype = hid->bus;
1169 input_dev->id.vendor = hid->vendor;
1170 input_dev->id.product = hid->product;
1171 input_dev->id.version = hid->version;
1172 input_dev->dev.parent = hid->dev;
1173 hidinput->input = input_dev;
1174 list_add_tail(&hidinput->list, &hid->inputs);
1175 }
1176
1177 for (i = 0; i < report->maxfield; i++)
1178 for (j = 0; j < report->field[i]->maxusage; j++)
1179 hidinput_configure_usage(hidinput, report->field[i],
1180 report->field[i]->usage + j);
1181
1182 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1183 /* This will leave hidinput NULL, so that it
1184 * allocates another one if we have more inputs on
1185 * the same interface. Some devices (e.g. Happ's
1186 * UGCI) cram a lot of unrelated inputs into the
1187 * same interface. */
1188 hidinput->report = report;
1189 if (input_register_device(hidinput->input))
1190 goto out_cleanup;
1191 hidinput = NULL;
1192 }
1193 }
1194
1195 if (hidinput && input_register_device(hidinput->input))
1196 goto out_cleanup;
1197
1198 return 0;
1199
1200 out_cleanup:
1201 input_free_device(hidinput->input);
1202 kfree(hidinput);
1203 out_unwind:
1204 /* unwind the ones we already registered */
1205 hidinput_disconnect(hid);
1206
1207 return -1;
1208 }
1209 EXPORT_SYMBOL_GPL(hidinput_connect);
1210
1211 void hidinput_disconnect(struct hid_device *hid)
1212 {
1213 struct hid_input *hidinput, *next;
1214
1215 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1216 list_del(&hidinput->list);
1217 input_unregister_device(hidinput->input);
1218 kfree(hidinput);
1219 }
1220 }
1221 EXPORT_SYMBOL_GPL(hidinput_disconnect);
1222
Support for the Chinese Samsung S3C2440 based development boards