Linux kernel mirror (for testing)
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linux
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 *
6 * USB HID to Linux Input mapping
7 */
8
9/*
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 * Should you need to contact me, the author, you can do so either by
25 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
26 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
27 */
28
29#include <linux/module.h>
30#include <linux/slab.h>
31#include <linux/kernel.h>
32#include <linux/usb/input.h>
33
34#undef DEBUG
35
36#include "hid.h"
37
38#define unk KEY_UNKNOWN
39
40static const unsigned char hid_keyboard[256] = {
41 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
42 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3,
43 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
44 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
45 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
46 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
47 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
48 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
49 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
50 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
51 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
52 unk,unk,unk,unk,unk,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,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
55 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
56 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
57};
58
59static const struct {
60 __s32 x;
61 __s32 y;
62} hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
63
64#define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
65#define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
66#define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
67#define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
68
69#define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0)
70#define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0)
71
72#ifdef CONFIG_USB_HIDINPUT_POWERBOOK
73
74struct hidinput_key_translation {
75 u16 from;
76 u16 to;
77 u8 flags;
78};
79
80#define POWERBOOK_FLAG_FKEY 0x01
81
82static struct hidinput_key_translation powerbook_fn_keys[] = {
83 { KEY_BACKSPACE, KEY_DELETE },
84 { KEY_F1, KEY_BRIGHTNESSDOWN, POWERBOOK_FLAG_FKEY },
85 { KEY_F2, KEY_BRIGHTNESSUP, POWERBOOK_FLAG_FKEY },
86 { KEY_F3, KEY_MUTE, POWERBOOK_FLAG_FKEY },
87 { KEY_F4, KEY_VOLUMEDOWN, POWERBOOK_FLAG_FKEY },
88 { KEY_F5, KEY_VOLUMEUP, POWERBOOK_FLAG_FKEY },
89 { KEY_F6, KEY_NUMLOCK, POWERBOOK_FLAG_FKEY },
90 { KEY_F7, KEY_SWITCHVIDEOMODE, POWERBOOK_FLAG_FKEY },
91 { KEY_F8, KEY_KBDILLUMTOGGLE, POWERBOOK_FLAG_FKEY },
92 { KEY_F9, KEY_KBDILLUMDOWN, POWERBOOK_FLAG_FKEY },
93 { KEY_F10, KEY_KBDILLUMUP, POWERBOOK_FLAG_FKEY },
94 { KEY_UP, KEY_PAGEUP },
95 { KEY_DOWN, KEY_PAGEDOWN },
96 { KEY_LEFT, KEY_HOME },
97 { KEY_RIGHT, KEY_END },
98 { }
99};
100
101static struct hidinput_key_translation powerbook_numlock_keys[] = {
102 { KEY_J, KEY_KP1 },
103 { KEY_K, KEY_KP2 },
104 { KEY_L, KEY_KP3 },
105 { KEY_U, KEY_KP4 },
106 { KEY_I, KEY_KP5 },
107 { KEY_O, KEY_KP6 },
108 { KEY_7, KEY_KP7 },
109 { KEY_8, KEY_KP8 },
110 { KEY_9, KEY_KP9 },
111 { KEY_M, KEY_KP0 },
112 { KEY_DOT, KEY_KPDOT },
113 { KEY_SLASH, KEY_KPPLUS },
114 { KEY_SEMICOLON, KEY_KPMINUS },
115 { KEY_P, KEY_KPASTERISK },
116 { KEY_MINUS, KEY_KPEQUAL },
117 { KEY_0, KEY_KPSLASH },
118 { KEY_F6, KEY_NUMLOCK },
119 { KEY_KPENTER, KEY_KPENTER },
120 { KEY_BACKSPACE, KEY_BACKSPACE },
121 { }
122};
123
124static int usbhid_pb_fnmode = 1;
125module_param_named(pb_fnmode, usbhid_pb_fnmode, int, 0644);
126MODULE_PARM_DESC(pb_fnmode,
127 "Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
128
129static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
130{
131 struct hidinput_key_translation *trans;
132
133 /* Look for the translation */
134 for (trans = table; trans->from; trans++)
135 if (trans->from == from)
136 return trans;
137
138 return NULL;
139}
140
141static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
142 struct hid_usage *usage, __s32 value)
143{
144 struct hidinput_key_translation *trans;
145
146 if (usage->code == KEY_FN) {
147 if (value) hid->quirks |= HID_QUIRK_POWERBOOK_FN_ON;
148 else hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON;
149
150 input_event(input, usage->type, usage->code, value);
151
152 return 1;
153 }
154
155 if (usbhid_pb_fnmode) {
156 int do_translate;
157
158 trans = find_translation(powerbook_fn_keys, usage->code);
159 if (trans) {
160 if (test_bit(usage->code, hid->pb_pressed_fn))
161 do_translate = 1;
162 else if (trans->flags & POWERBOOK_FLAG_FKEY)
163 do_translate =
164 (usbhid_pb_fnmode == 2 && (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) ||
165 (usbhid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON));
166 else
167 do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON);
168
169 if (do_translate) {
170 if (value)
171 set_bit(usage->code, hid->pb_pressed_fn);
172 else
173 clear_bit(usage->code, hid->pb_pressed_fn);
174
175 input_event(input, usage->type, trans->to, value);
176
177 return 1;
178 }
179 }
180
181 if (test_bit(usage->code, hid->pb_pressed_numlock) ||
182 test_bit(LED_NUML, input->led)) {
183 trans = find_translation(powerbook_numlock_keys, usage->code);
184
185 if (trans) {
186 if (value)
187 set_bit(usage->code, hid->pb_pressed_numlock);
188 else
189 clear_bit(usage->code, hid->pb_pressed_numlock);
190
191 input_event(input, usage->type, trans->to, value);
192 }
193
194 return 1;
195 }
196 }
197
198 return 0;
199}
200
201static void hidinput_pb_setup(struct input_dev *input)
202{
203 struct hidinput_key_translation *trans;
204
205 set_bit(KEY_NUMLOCK, input->keybit);
206
207 /* Enable all needed keys */
208 for (trans = powerbook_fn_keys; trans->from; trans++)
209 set_bit(trans->to, input->keybit);
210
211 for (trans = powerbook_numlock_keys; trans->from; trans++)
212 set_bit(trans->to, input->keybit);
213}
214#else
215static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
216 struct hid_usage *usage, __s32 value)
217{
218 return 0;
219}
220
221static inline void hidinput_pb_setup(struct input_dev *input)
222{
223}
224#endif
225
226static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
227 struct hid_usage *usage)
228{
229 struct input_dev *input = hidinput->input;
230 struct hid_device *device = input->private;
231 int max = 0, code;
232 unsigned long *bit = NULL;
233
234 field->hidinput = hidinput;
235
236#ifdef DEBUG
237 printk(KERN_DEBUG "Mapping: ");
238 resolv_usage(usage->hid);
239 printk(" ---> ");
240#endif
241
242 if (field->flags & HID_MAIN_ITEM_CONSTANT)
243 goto ignore;
244
245 switch (usage->hid & HID_USAGE_PAGE) {
246
247 case HID_UP_UNDEFINED:
248 goto ignore;
249
250 case HID_UP_KEYBOARD:
251
252 set_bit(EV_REP, input->evbit);
253
254 if ((usage->hid & HID_USAGE) < 256) {
255 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
256 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
257 } else
258 map_key(KEY_UNKNOWN);
259
260 break;
261
262 case HID_UP_BUTTON:
263
264 code = ((usage->hid - 1) & 0xf);
265
266 switch (field->application) {
267 case HID_GD_MOUSE:
268 case HID_GD_POINTER: code += 0x110; break;
269 case HID_GD_JOYSTICK: code += 0x120; break;
270 case HID_GD_GAMEPAD: code += 0x130; break;
271 default:
272 switch (field->physical) {
273 case HID_GD_MOUSE:
274 case HID_GD_POINTER: code += 0x110; break;
275 case HID_GD_JOYSTICK: code += 0x120; break;
276 case HID_GD_GAMEPAD: code += 0x130; break;
277 default: code += 0x100;
278 }
279 }
280
281 map_key(code);
282 break;
283
284
285 case HID_UP_SIMULATION:
286
287 switch (usage->hid & 0xffff) {
288 case 0xba: map_abs(ABS_RUDDER); break;
289 case 0xbb: map_abs(ABS_THROTTLE); break;
290 case 0xc4: map_abs(ABS_GAS); break;
291 case 0xc5: map_abs(ABS_BRAKE); break;
292 case 0xc8: map_abs(ABS_WHEEL); break;
293 default: goto ignore;
294 }
295 break;
296
297 case HID_UP_GENDESK:
298
299 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
300 switch (usage->hid & 0xf) {
301 case 0x1: map_key_clear(KEY_POWER); break;
302 case 0x2: map_key_clear(KEY_SLEEP); break;
303 case 0x3: map_key_clear(KEY_WAKEUP); break;
304 default: goto unknown;
305 }
306 break;
307 }
308
309 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
310 switch (usage->hid) {
311 case HID_GD_UP: usage->hat_dir = 1; break;
312 case HID_GD_DOWN: usage->hat_dir = 5; break;
313 case HID_GD_RIGHT: usage->hat_dir = 3; break;
314 case HID_GD_LEFT: usage->hat_dir = 7; break;
315 default: goto unknown;
316 }
317 if (field->dpad) {
318 map_abs(field->dpad);
319 goto ignore;
320 }
321 map_abs(ABS_HAT0X);
322 break;
323 }
324
325 switch (usage->hid) {
326
327 /* These usage IDs map directly to the usage codes. */
328 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
329 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
330 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
331 if (field->flags & HID_MAIN_ITEM_RELATIVE)
332 map_rel(usage->hid & 0xf);
333 else
334 map_abs(usage->hid & 0xf);
335 break;
336
337 case HID_GD_HATSWITCH:
338 usage->hat_min = field->logical_minimum;
339 usage->hat_max = field->logical_maximum;
340 map_abs(ABS_HAT0X);
341 break;
342
343 case HID_GD_START: map_key_clear(BTN_START); break;
344 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
345
346 default: goto unknown;
347 }
348
349 break;
350
351 case HID_UP_LED:
352 if (((usage->hid - 1) & 0xffff) >= LED_MAX)
353 goto ignore;
354 map_led((usage->hid - 1) & 0xffff);
355 break;
356
357 case HID_UP_DIGITIZER:
358
359 switch (usage->hid & 0xff) {
360
361 case 0x30: /* TipPressure */
362 if (!test_bit(BTN_TOUCH, input->keybit)) {
363 device->quirks |= HID_QUIRK_NOTOUCH;
364 set_bit(EV_KEY, input->evbit);
365 set_bit(BTN_TOUCH, input->keybit);
366 }
367
368 map_abs_clear(ABS_PRESSURE);
369 break;
370
371 case 0x32: /* InRange */
372 switch (field->physical & 0xff) {
373 case 0x21: map_key(BTN_TOOL_MOUSE); break;
374 case 0x22: map_key(BTN_TOOL_FINGER); break;
375 default: map_key(BTN_TOOL_PEN); break;
376 }
377 break;
378
379 case 0x3c: /* Invert */
380 map_key_clear(BTN_TOOL_RUBBER);
381 break;
382
383 case 0x33: /* Touch */
384 case 0x42: /* TipSwitch */
385 case 0x43: /* TipSwitch2 */
386 device->quirks &= ~HID_QUIRK_NOTOUCH;
387 map_key_clear(BTN_TOUCH);
388 break;
389
390 case 0x44: /* BarrelSwitch */
391 map_key_clear(BTN_STYLUS);
392 break;
393
394 default: goto unknown;
395 }
396 break;
397
398 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
399
400 switch (usage->hid & HID_USAGE) {
401 case 0x000: goto ignore;
402 case 0x034: map_key_clear(KEY_SLEEP); break;
403 case 0x036: map_key_clear(BTN_MISC); break;
404 case 0x045: map_key_clear(KEY_RADIO); break;
405 case 0x08a: map_key_clear(KEY_WWW); break;
406 case 0x08d: map_key_clear(KEY_PROGRAM); break;
407 case 0x095: map_key_clear(KEY_HELP); break;
408 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
409 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
410 case 0x0b0: map_key_clear(KEY_PLAY); break;
411 case 0x0b1: map_key_clear(KEY_PAUSE); break;
412 case 0x0b2: map_key_clear(KEY_RECORD); break;
413 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
414 case 0x0b4: map_key_clear(KEY_REWIND); break;
415 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
416 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
417 case 0x0b7: map_key_clear(KEY_STOPCD); break;
418 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
419 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
420 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
421 case 0x0e2: map_key_clear(KEY_MUTE); break;
422 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
423 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
424 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
425 case 0x183: map_key_clear(KEY_CONFIG); break;
426 case 0x18a: map_key_clear(KEY_MAIL); break;
427 case 0x192: map_key_clear(KEY_CALC); break;
428 case 0x194: map_key_clear(KEY_FILE); break;
429 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
430 case 0x201: map_key_clear(KEY_NEW); break;
431 case 0x207: map_key_clear(KEY_SAVE); break;
432 case 0x208: map_key_clear(KEY_PRINT); break;
433 case 0x209: map_key_clear(KEY_PROPS); break;
434 case 0x21a: map_key_clear(KEY_UNDO); break;
435 case 0x21b: map_key_clear(KEY_COPY); break;
436 case 0x21c: map_key_clear(KEY_CUT); break;
437 case 0x21d: map_key_clear(KEY_PASTE); break;
438 case 0x221: map_key_clear(KEY_FIND); break;
439 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
440 case 0x224: map_key_clear(KEY_BACK); break;
441 case 0x225: map_key_clear(KEY_FORWARD); break;
442 case 0x226: map_key_clear(KEY_STOP); break;
443 case 0x227: map_key_clear(KEY_REFRESH); break;
444 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
445 case 0x233: map_key_clear(KEY_SCROLLUP); break;
446 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
447 case 0x238: map_rel(REL_HWHEEL); break;
448 case 0x279: map_key_clear(KEY_REDO); break;
449 case 0x289: map_key_clear(KEY_REPLY); break;
450 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
451 case 0x28c: map_key_clear(KEY_SEND); break;
452
453 /* Reported on a Cherry Cymotion keyboard */
454 case 0x301: map_key_clear(KEY_PROG1); break;
455 case 0x302: map_key_clear(KEY_PROG2); break;
456 case 0x303: map_key_clear(KEY_PROG3); break;
457
458 default: goto ignore;
459 }
460 break;
461
462 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
463
464 set_bit(EV_REP, input->evbit);
465 switch (usage->hid & HID_USAGE) {
466 case 0x021: map_key_clear(KEY_PRINT); break;
467 case 0x070: map_key_clear(KEY_HP); break;
468 case 0x071: map_key_clear(KEY_CAMERA); break;
469 case 0x072: map_key_clear(KEY_SOUND); break;
470 case 0x073: map_key_clear(KEY_QUESTION); break;
471 case 0x080: map_key_clear(KEY_EMAIL); break;
472 case 0x081: map_key_clear(KEY_CHAT); break;
473 case 0x082: map_key_clear(KEY_SEARCH); break;
474 case 0x083: map_key_clear(KEY_CONNECT); break;
475 case 0x084: map_key_clear(KEY_FINANCE); break;
476 case 0x085: map_key_clear(KEY_SPORT); break;
477 case 0x086: map_key_clear(KEY_SHOP); break;
478 default: goto ignore;
479 }
480 break;
481
482 case HID_UP_MSVENDOR:
483 goto ignore;
484
485 case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
486
487 set_bit(EV_REP, input->evbit);
488 switch(usage->hid & HID_USAGE) {
489 case 0x003:
490 /* The fn key on Apple PowerBooks */
491 map_key_clear(KEY_FN);
492 hidinput_pb_setup(input);
493 break;
494
495 default: goto ignore;
496 }
497 break;
498
499 case HID_UP_LOGIVENDOR: /* Reported on Logitech Ultra X Media Remote */
500
501 set_bit(EV_REP, input->evbit);
502 switch(usage->hid & HID_USAGE) {
503 case 0x004: map_key_clear(KEY_AGAIN); break;
504 case 0x00d: map_key_clear(KEY_HOME); break;
505 case 0x024: map_key_clear(KEY_SHUFFLE); break;
506 case 0x025: map_key_clear(KEY_TV); break;
507 case 0x026: map_key_clear(KEY_MENU); break;
508 case 0x031: map_key_clear(KEY_AUDIO); break;
509 case 0x032: map_key_clear(KEY_TEXT); break;
510 case 0x033: map_key_clear(KEY_LAST); break;
511 case 0x047: map_key_clear(KEY_MP3); break;
512 case 0x048: map_key_clear(KEY_DVD); break;
513 case 0x049: map_key_clear(KEY_MEDIA); break;
514 case 0x04a: map_key_clear(KEY_VIDEO); break;
515 case 0x04b: map_key_clear(KEY_ANGLE); break;
516 case 0x04c: map_key_clear(KEY_LANGUAGE); break;
517 case 0x04d: map_key_clear(KEY_SUBTITLE); break;
518 case 0x051: map_key_clear(KEY_RED); break;
519 case 0x052: map_key_clear(KEY_CLOSE); break;
520 default: goto ignore;
521 }
522 break;
523
524 case HID_UP_PID:
525
526 switch(usage->hid & HID_USAGE) {
527 case 0xa4: map_key_clear(BTN_DEAD); break;
528 default: goto ignore;
529 }
530 break;
531
532 default:
533 unknown:
534 if (field->report_size == 1) {
535 if (field->report->type == HID_OUTPUT_REPORT) {
536 map_led(LED_MISC);
537 break;
538 }
539 map_key(BTN_MISC);
540 break;
541 }
542 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
543 map_rel(REL_MISC);
544 break;
545 }
546 map_abs(ABS_MISC);
547 break;
548 }
549
550 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
551 if (usage->hid == HID_GD_Z)
552 map_rel(REL_HWHEEL);
553 else if (usage->code == BTN_1)
554 map_key(BTN_2);
555 else if (usage->code == BTN_2)
556 map_key(BTN_1);
557 }
558
559 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
560 (usage->type == EV_REL) && (usage->code == REL_WHEEL))
561 set_bit(REL_HWHEEL, bit);
562
563 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
564 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
565 goto ignore;
566
567 set_bit(usage->type, input->evbit);
568
569 while (usage->code <= max && test_and_set_bit(usage->code, bit))
570 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
571
572 if (usage->code > max)
573 goto ignore;
574
575
576 if (usage->type == EV_ABS) {
577
578 int a = field->logical_minimum;
579 int b = field->logical_maximum;
580
581 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
582 a = field->logical_minimum = 0;
583 b = field->logical_maximum = 255;
584 }
585
586 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
587 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
588 else input_set_abs_params(input, usage->code, a, b, 0, 0);
589
590 }
591
592 if (usage->type == EV_ABS &&
593 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
594 int i;
595 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
596 input_set_abs_params(input, i, -1, 1, 0, 0);
597 set_bit(i, input->absbit);
598 }
599 if (usage->hat_dir && !field->dpad)
600 field->dpad = usage->code;
601 }
602
603#ifdef DEBUG
604 resolv_event(usage->type, usage->code);
605 printk("\n");
606#endif
607 return;
608
609ignore:
610#ifdef DEBUG
611 printk("IGNORED\n");
612#endif
613 return;
614}
615
616void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
617{
618 struct input_dev *input;
619 int *quirks = &hid->quirks;
620
621 if (!field->hidinput)
622 return;
623
624 input = field->hidinput->input;
625
626 if (!usage->type)
627 return;
628
629 if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
630 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
631 if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
632 else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
633 return;
634 }
635
636 if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
637 input_event(input, usage->type, usage->code, -value);
638 return;
639 }
640
641 if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
642 input_event(input, usage->type, REL_HWHEEL, value);
643 return;
644 }
645
646 if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value))
647 return;
648
649 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
650 int hat_dir = usage->hat_dir;
651 if (!hat_dir)
652 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
653 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
654 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
655 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
656 return;
657 }
658
659 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
660 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
661 return;
662 }
663
664 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
665 if (value) {
666 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
667 return;
668 }
669 input_event(input, usage->type, usage->code, 0);
670 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
671 return;
672 }
673
674 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
675 int a = field->logical_minimum;
676 int b = field->logical_maximum;
677 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
678 }
679
680 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
681 dbg("Maximum Effects - %d",value);
682 return;
683 }
684
685 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
686 dbg("PID Pool Report\n");
687 return;
688 }
689
690 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
691 return;
692
693 input_event(input, usage->type, usage->code, value);
694
695 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
696 input_event(input, usage->type, usage->code, 0);
697}
698
699void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
700{
701 struct hid_input *hidinput;
702
703 list_for_each_entry(hidinput, &hid->inputs, list)
704 input_sync(hidinput->input);
705}
706
707static int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
708{
709 struct hid_report *report;
710 int i, j;
711
712 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
713 for (i = 0; i < report->maxfield; i++) {
714 *field = report->field[i];
715 for (j = 0; j < (*field)->maxusage; j++)
716 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
717 return j;
718 }
719 }
720 return -1;
721}
722
723static int hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
724{
725 struct hid_device *hid = dev->private;
726 struct hid_field *field;
727 int offset;
728
729 if (type == EV_FF)
730 return input_ff_event(dev, type, code, value);
731
732 if (type != EV_LED)
733 return -1;
734
735 if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) {
736 warn("event field not found");
737 return -1;
738 }
739
740 hid_set_field(field, offset, value);
741 hid_submit_report(hid, field->report, USB_DIR_OUT);
742
743 return 0;
744}
745
746static int hidinput_open(struct input_dev *dev)
747{
748 struct hid_device *hid = dev->private;
749 return hid_open(hid);
750}
751
752static void hidinput_close(struct input_dev *dev)
753{
754 struct hid_device *hid = dev->private;
755 hid_close(hid);
756}
757
758/*
759 * Register the input device; print a message.
760 * Configure the input layer interface
761 * Read all reports and initialize the absolute field values.
762 */
763
764int hidinput_connect(struct hid_device *hid)
765{
766 struct usb_device *dev = hid->dev;
767 struct hid_report *report;
768 struct hid_input *hidinput = NULL;
769 struct input_dev *input_dev;
770 int i, j, k;
771
772 INIT_LIST_HEAD(&hid->inputs);
773
774 for (i = 0; i < hid->maxcollection; i++)
775 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
776 hid->collection[i].type == HID_COLLECTION_PHYSICAL)
777 if (IS_INPUT_APPLICATION(hid->collection[i].usage))
778 break;
779
780 if (i == hid->maxcollection)
781 return -1;
782
783 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++)
784 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
785
786 if (!report->maxfield)
787 continue;
788
789 if (!hidinput) {
790 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
791 input_dev = input_allocate_device();
792 if (!hidinput || !input_dev) {
793 kfree(hidinput);
794 input_free_device(input_dev);
795 err("Out of memory during hid input probe");
796 return -1;
797 }
798
799 input_dev->private = hid;
800 input_dev->event = hidinput_input_event;
801 input_dev->open = hidinput_open;
802 input_dev->close = hidinput_close;
803
804 input_dev->name = hid->name;
805 input_dev->phys = hid->phys;
806 input_dev->uniq = hid->uniq;
807 usb_to_input_id(dev, &input_dev->id);
808 input_dev->cdev.dev = &hid->intf->dev;
809
810 hidinput->input = input_dev;
811 list_add_tail(&hidinput->list, &hid->inputs);
812 }
813
814 for (i = 0; i < report->maxfield; i++)
815 for (j = 0; j < report->field[i]->maxusage; j++)
816 hidinput_configure_usage(hidinput, report->field[i],
817 report->field[i]->usage + j);
818
819 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
820 /* This will leave hidinput NULL, so that it
821 * allocates another one if we have more inputs on
822 * the same interface. Some devices (e.g. Happ's
823 * UGCI) cram a lot of unrelated inputs into the
824 * same interface. */
825 hidinput->report = report;
826 input_register_device(hidinput->input);
827 hidinput = NULL;
828 }
829 }
830
831 /* This only gets called when we are a single-input (most of the
832 * time). IOW, not a HID_QUIRK_MULTI_INPUT. The hid_ff_init() is
833 * only useful in this case, and not for multi-input quirks. */
834 if (hidinput) {
835 hid_ff_init(hid);
836 input_register_device(hidinput->input);
837 }
838
839 return 0;
840}
841
842void hidinput_disconnect(struct hid_device *hid)
843{
844 struct hid_input *hidinput, *next;
845
846 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
847 list_del(&hidinput->list);
848 input_unregister_device(hidinput->input);
849 kfree(hidinput);
850 }
851}