[PATCH] selinux: fix sb_lock/sb_security_lock nesting
[linux/fpc-iii.git] / drivers / usb / input / hid-input.c
blob25bc85f8ce39ba7368fe90a8fa1c1359df19aaba
1 /*
2 * $Id: hid-input.c,v 1.2 2002/04/23 00:59:25 rdamazio Exp $
4 * Copyright (c) 2000-2001 Vojtech Pavlik
6 * USB HID to Linux Input mapping
7 */
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.
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.
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
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
29 #include <linux/module.h>
30 #include <linux/slab.h>
31 #include <linux/kernel.h>
32 #include <linux/input.h>
33 #include <linux/usb.h>
34 #include <linux/usb_input.h>
36 #undef DEBUG
38 #include "hid.h"
40 #define unk KEY_UNKNOWN
42 static const unsigned char hid_keyboard[256] = {
43 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
44 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3,
45 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
46 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
47 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
48 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
49 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
50 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
51 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
52 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
53 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
54 unk,unk,unk,unk,unk,unk,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,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
61 static const struct {
62 __s32 x;
63 __s32 y;
64 } hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
66 #define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
67 #define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
68 #define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
69 #define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
70 #define map_ff(c) do { usage->code = c; usage->type = EV_FF; bit = input->ffbit; max = FF_MAX; } while (0)
72 #define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0)
73 #define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0)
74 #define map_ff_effect(c) do { set_bit(c, input->ffbit); } while (0)
76 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK
78 struct hidinput_key_translation {
79 u16 from;
80 u16 to;
81 u8 flags;
84 #define POWERBOOK_FLAG_FKEY 0x01
86 static struct hidinput_key_translation powerbook_fn_keys[] = {
87 { KEY_BACKSPACE, KEY_DELETE },
88 { KEY_F1, KEY_BRIGHTNESSDOWN, POWERBOOK_FLAG_FKEY },
89 { KEY_F2, KEY_BRIGHTNESSUP, POWERBOOK_FLAG_FKEY },
90 { KEY_F3, KEY_MUTE, POWERBOOK_FLAG_FKEY },
91 { KEY_F4, KEY_VOLUMEDOWN, POWERBOOK_FLAG_FKEY },
92 { KEY_F5, KEY_VOLUMEUP, POWERBOOK_FLAG_FKEY },
93 { KEY_F6, KEY_NUMLOCK, POWERBOOK_FLAG_FKEY },
94 { KEY_F7, KEY_SWITCHVIDEOMODE, POWERBOOK_FLAG_FKEY },
95 { KEY_F8, KEY_KBDILLUMTOGGLE, POWERBOOK_FLAG_FKEY },
96 { KEY_F9, KEY_KBDILLUMDOWN, POWERBOOK_FLAG_FKEY },
97 { KEY_F10, KEY_KBDILLUMUP, POWERBOOK_FLAG_FKEY },
98 { KEY_UP, KEY_PAGEUP },
99 { KEY_DOWN, KEY_PAGEDOWN },
100 { KEY_LEFT, KEY_HOME },
101 { KEY_RIGHT, KEY_END },
105 static struct hidinput_key_translation powerbook_numlock_keys[] = {
106 { KEY_J, KEY_KP1 },
107 { KEY_K, KEY_KP2 },
108 { KEY_L, KEY_KP3 },
109 { KEY_U, KEY_KP4 },
110 { KEY_I, KEY_KP5 },
111 { KEY_O, KEY_KP6 },
112 { KEY_7, KEY_KP7 },
113 { KEY_8, KEY_KP8 },
114 { KEY_9, KEY_KP9 },
115 { KEY_M, KEY_KP0 },
116 { KEY_DOT, KEY_KPDOT },
117 { KEY_SLASH, KEY_KPPLUS },
118 { KEY_SEMICOLON, KEY_KPMINUS },
119 { KEY_P, KEY_KPASTERISK },
120 { KEY_MINUS, KEY_KPEQUAL },
121 { KEY_0, KEY_KPSLASH },
122 { KEY_F6, KEY_NUMLOCK },
123 { KEY_KPENTER, KEY_KPENTER },
124 { KEY_BACKSPACE, KEY_BACKSPACE },
128 static int usbhid_pb_fnmode = 1;
129 module_param_named(pb_fnmode, usbhid_pb_fnmode, int, 0644);
130 MODULE_PARM_DESC(pb_fnmode,
131 "Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
133 static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
135 struct hidinput_key_translation *trans;
137 /* Look for the translation */
138 for (trans = table; trans->from; trans++)
139 if (trans->from == from)
140 return trans;
142 return NULL;
145 static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
146 struct hid_usage *usage, __s32 value)
148 struct hidinput_key_translation *trans;
150 if (usage->code == KEY_FN) {
151 if (value) hid->quirks |= HID_QUIRK_POWERBOOK_FN_ON;
152 else hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON;
154 input_event(input, usage->type, usage->code, value);
156 return 1;
159 if (usbhid_pb_fnmode) {
160 int do_translate;
162 trans = find_translation(powerbook_fn_keys, usage->code);
163 if (trans) {
164 if (test_bit(usage->code, hid->pb_pressed_fn))
165 do_translate = 1;
166 else if (trans->flags & POWERBOOK_FLAG_FKEY)
167 do_translate =
168 (usbhid_pb_fnmode == 2 && (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) ||
169 (usbhid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON));
170 else
171 do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON);
173 if (do_translate) {
174 if (value)
175 set_bit(usage->code, hid->pb_pressed_fn);
176 else
177 clear_bit(usage->code, hid->pb_pressed_fn);
179 input_event(input, usage->type, trans->to, value);
181 return 1;
185 if (test_bit(usage->code, hid->pb_pressed_numlock) ||
186 test_bit(LED_NUML, input->led)) {
187 trans = find_translation(powerbook_numlock_keys, usage->code);
189 if (trans) {
190 if (value)
191 set_bit(usage->code, hid->pb_pressed_numlock);
192 else
193 clear_bit(usage->code, hid->pb_pressed_numlock);
195 input_event(input, usage->type, trans->to, value);
198 return 1;
202 return 0;
205 static void hidinput_pb_setup(struct input_dev *input)
207 struct hidinput_key_translation *trans;
209 set_bit(KEY_NUMLOCK, input->keybit);
211 /* Enable all needed keys */
212 for (trans = powerbook_fn_keys; trans->from; trans++)
213 set_bit(trans->to, input->keybit);
215 for (trans = powerbook_numlock_keys; trans->from; trans++)
216 set_bit(trans->to, input->keybit);
218 #else
219 static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
220 struct hid_usage *usage, __s32 value)
222 return 0;
225 static inline void hidinput_pb_setup(struct input_dev *input)
228 #endif
230 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
231 struct hid_usage *usage)
233 struct input_dev *input = hidinput->input;
234 struct hid_device *device = input->private;
235 int max = 0, code;
236 unsigned long *bit = NULL;
238 field->hidinput = hidinput;
240 #ifdef DEBUG
241 printk(KERN_DEBUG "Mapping: ");
242 resolv_usage(usage->hid);
243 printk(" ---> ");
244 #endif
246 if (field->flags & HID_MAIN_ITEM_CONSTANT)
247 goto ignore;
249 switch (usage->hid & HID_USAGE_PAGE) {
251 case HID_UP_UNDEFINED:
252 goto ignore;
254 case HID_UP_KEYBOARD:
256 set_bit(EV_REP, input->evbit);
258 if ((usage->hid & HID_USAGE) < 256) {
259 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
260 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
261 } else
262 map_key(KEY_UNKNOWN);
264 break;
266 case HID_UP_BUTTON:
268 code = ((usage->hid - 1) & 0xf);
270 switch (field->application) {
271 case HID_GD_MOUSE:
272 case HID_GD_POINTER: code += 0x110; break;
273 case HID_GD_JOYSTICK: code += 0x120; break;
274 case HID_GD_GAMEPAD: code += 0x130; break;
275 default:
276 switch (field->physical) {
277 case HID_GD_MOUSE:
278 case HID_GD_POINTER: code += 0x110; break;
279 case HID_GD_JOYSTICK: code += 0x120; break;
280 case HID_GD_GAMEPAD: code += 0x130; break;
281 default: code += 0x100;
285 map_key(code);
286 break;
289 case HID_UP_SIMULATION:
291 switch (usage->hid & 0xffff) {
292 case 0xba: map_abs(ABS_RUDDER); break;
293 case 0xbb: map_abs(ABS_THROTTLE); break;
294 case 0xc4: map_abs(ABS_GAS); break;
295 case 0xc5: map_abs(ABS_BRAKE); break;
296 case 0xc8: map_abs(ABS_WHEEL); break;
297 default: goto ignore;
299 break;
301 case HID_UP_GENDESK:
303 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
304 switch (usage->hid & 0xf) {
305 case 0x1: map_key_clear(KEY_POWER); break;
306 case 0x2: map_key_clear(KEY_SLEEP); break;
307 case 0x3: map_key_clear(KEY_WAKEUP); break;
308 default: goto unknown;
310 break;
313 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
314 switch (usage->hid) {
315 case HID_GD_UP: usage->hat_dir = 1; break;
316 case HID_GD_DOWN: usage->hat_dir = 5; break;
317 case HID_GD_RIGHT: usage->hat_dir = 3; break;
318 case HID_GD_LEFT: usage->hat_dir = 7; break;
319 default: goto unknown;
321 if (field->dpad) {
322 map_abs(field->dpad);
323 goto ignore;
325 map_abs(ABS_HAT0X);
326 break;
329 switch (usage->hid) {
331 /* These usage IDs map directly to the usage codes. */
332 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
333 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
334 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
335 if (field->flags & HID_MAIN_ITEM_RELATIVE)
336 map_rel(usage->hid & 0xf);
337 else
338 map_abs(usage->hid & 0xf);
339 break;
341 case HID_GD_HATSWITCH:
342 usage->hat_min = field->logical_minimum;
343 usage->hat_max = field->logical_maximum;
344 map_abs(ABS_HAT0X);
345 break;
347 case HID_GD_START: map_key_clear(BTN_START); break;
348 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
350 default: goto unknown;
353 break;
355 case HID_UP_LED:
356 if (((usage->hid - 1) & 0xffff) >= LED_MAX)
357 goto ignore;
358 map_led((usage->hid - 1) & 0xffff);
359 break;
361 case HID_UP_DIGITIZER:
363 switch (usage->hid & 0xff) {
365 case 0x30: /* TipPressure */
366 if (!test_bit(BTN_TOUCH, input->keybit)) {
367 device->quirks |= HID_QUIRK_NOTOUCH;
368 set_bit(EV_KEY, input->evbit);
369 set_bit(BTN_TOUCH, input->keybit);
372 map_abs_clear(ABS_PRESSURE);
373 break;
375 case 0x32: /* InRange */
376 switch (field->physical & 0xff) {
377 case 0x21: map_key(BTN_TOOL_MOUSE); break;
378 case 0x22: map_key(BTN_TOOL_FINGER); break;
379 default: map_key(BTN_TOOL_PEN); break;
381 break;
383 case 0x3c: /* Invert */
384 map_key_clear(BTN_TOOL_RUBBER);
385 break;
387 case 0x33: /* Touch */
388 case 0x42: /* TipSwitch */
389 case 0x43: /* TipSwitch2 */
390 device->quirks &= ~HID_QUIRK_NOTOUCH;
391 map_key_clear(BTN_TOUCH);
392 break;
394 case 0x44: /* BarrelSwitch */
395 map_key_clear(BTN_STYLUS);
396 break;
398 default: goto unknown;
400 break;
402 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
404 switch (usage->hid & HID_USAGE) {
405 case 0x000: goto ignore;
406 case 0x034: map_key_clear(KEY_SLEEP); break;
407 case 0x036: map_key_clear(BTN_MISC); break;
408 case 0x045: map_key_clear(KEY_RADIO); break;
409 case 0x08a: map_key_clear(KEY_WWW); break;
410 case 0x08d: map_key_clear(KEY_PROGRAM); break;
411 case 0x095: map_key_clear(KEY_HELP); break;
412 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
413 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
414 case 0x0b0: map_key_clear(KEY_PLAY); break;
415 case 0x0b1: map_key_clear(KEY_PAUSE); break;
416 case 0x0b2: map_key_clear(KEY_RECORD); break;
417 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
418 case 0x0b4: map_key_clear(KEY_REWIND); break;
419 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
420 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
421 case 0x0b7: map_key_clear(KEY_STOPCD); break;
422 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
423 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
424 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
425 case 0x0e2: map_key_clear(KEY_MUTE); break;
426 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
427 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
428 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
429 case 0x183: map_key_clear(KEY_CONFIG); break;
430 case 0x18a: map_key_clear(KEY_MAIL); break;
431 case 0x192: map_key_clear(KEY_CALC); break;
432 case 0x194: map_key_clear(KEY_FILE); break;
433 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
434 case 0x201: map_key_clear(KEY_NEW); break;
435 case 0x207: map_key_clear(KEY_SAVE); break;
436 case 0x208: map_key_clear(KEY_PRINT); break;
437 case 0x209: map_key_clear(KEY_PROPS); break;
438 case 0x21a: map_key_clear(KEY_UNDO); break;
439 case 0x21b: map_key_clear(KEY_COPY); break;
440 case 0x21c: map_key_clear(KEY_CUT); break;
441 case 0x21d: map_key_clear(KEY_PASTE); break;
442 case 0x221: map_key_clear(KEY_FIND); break;
443 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
444 case 0x224: map_key_clear(KEY_BACK); break;
445 case 0x225: map_key_clear(KEY_FORWARD); break;
446 case 0x226: map_key_clear(KEY_STOP); break;
447 case 0x227: map_key_clear(KEY_REFRESH); break;
448 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
449 case 0x233: map_key_clear(KEY_SCROLLUP); break;
450 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
451 case 0x238: map_rel(REL_HWHEEL); break;
452 case 0x279: map_key_clear(KEY_REDO); break;
453 case 0x289: map_key_clear(KEY_REPLY); break;
454 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
455 case 0x28c: map_key_clear(KEY_SEND); break;
457 /* Reported on a Cherry Cymotion keyboard */
458 case 0x301: map_key_clear(KEY_PROG1); break;
459 case 0x302: map_key_clear(KEY_PROG2); break;
460 case 0x303: map_key_clear(KEY_PROG3); break;
462 default: goto ignore;
464 break;
466 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
468 set_bit(EV_REP, input->evbit);
469 switch (usage->hid & HID_USAGE) {
470 case 0x021: map_key_clear(KEY_PRINT); break;
471 case 0x070: map_key_clear(KEY_HP); break;
472 case 0x071: map_key_clear(KEY_CAMERA); break;
473 case 0x072: map_key_clear(KEY_SOUND); break;
474 case 0x073: map_key_clear(KEY_QUESTION); break;
475 case 0x080: map_key_clear(KEY_EMAIL); break;
476 case 0x081: map_key_clear(KEY_CHAT); break;
477 case 0x082: map_key_clear(KEY_SEARCH); break;
478 case 0x083: map_key_clear(KEY_CONNECT); break;
479 case 0x084: map_key_clear(KEY_FINANCE); break;
480 case 0x085: map_key_clear(KEY_SPORT); break;
481 case 0x086: map_key_clear(KEY_SHOP); break;
482 default: goto ignore;
484 break;
486 case HID_UP_MSVENDOR:
487 goto ignore;
489 case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
491 set_bit(EV_REP, input->evbit);
492 switch(usage->hid & HID_USAGE) {
493 case 0x003:
494 /* The fn key on Apple PowerBooks */
495 map_key_clear(KEY_FN);
496 hidinput_pb_setup(input);
497 break;
499 default: goto ignore;
501 break;
503 case HID_UP_LOGIVENDOR: /* Reported on Logitech Ultra X Media Remote */
505 set_bit(EV_REP, input->evbit);
506 switch(usage->hid & HID_USAGE) {
507 case 0x004: map_key_clear(KEY_AGAIN); break;
508 case 0x00d: map_key_clear(KEY_HOME); break;
509 case 0x024: map_key_clear(KEY_SHUFFLE); break;
510 case 0x025: map_key_clear(KEY_TV); break;
511 case 0x026: map_key_clear(KEY_MENU); break;
512 case 0x031: map_key_clear(KEY_AUDIO); break;
513 case 0x032: map_key_clear(KEY_TEXT); break;
514 case 0x033: map_key_clear(KEY_LAST); break;
515 case 0x047: map_key_clear(KEY_MP3); break;
516 case 0x048: map_key_clear(KEY_DVD); break;
517 case 0x049: map_key_clear(KEY_MEDIA); break;
518 case 0x04a: map_key_clear(KEY_VIDEO); break;
519 case 0x04b: map_key_clear(KEY_ANGLE); break;
520 case 0x04c: map_key_clear(KEY_LANGUAGE); break;
521 case 0x04d: map_key_clear(KEY_SUBTITLE); break;
522 case 0x051: map_key_clear(KEY_RED); break;
523 case 0x052: map_key_clear(KEY_CLOSE); break;
524 default: goto ignore;
526 break;
528 case HID_UP_PID:
530 set_bit(EV_FF, input->evbit);
531 switch(usage->hid & HID_USAGE) {
532 case 0x26: map_ff_effect(FF_CONSTANT); goto ignore;
533 case 0x27: map_ff_effect(FF_RAMP); goto ignore;
534 case 0x28: map_ff_effect(FF_CUSTOM); goto ignore;
535 case 0x30: map_ff_effect(FF_SQUARE); map_ff_effect(FF_PERIODIC); goto ignore;
536 case 0x31: map_ff_effect(FF_SINE); map_ff_effect(FF_PERIODIC); goto ignore;
537 case 0x32: map_ff_effect(FF_TRIANGLE); map_ff_effect(FF_PERIODIC); goto ignore;
538 case 0x33: map_ff_effect(FF_SAW_UP); map_ff_effect(FF_PERIODIC); goto ignore;
539 case 0x34: map_ff_effect(FF_SAW_DOWN); map_ff_effect(FF_PERIODIC); goto ignore;
540 case 0x40: map_ff_effect(FF_SPRING); goto ignore;
541 case 0x41: map_ff_effect(FF_DAMPER); goto ignore;
542 case 0x42: map_ff_effect(FF_INERTIA); goto ignore;
543 case 0x43: map_ff_effect(FF_FRICTION); goto ignore;
544 case 0x7e: map_ff(FF_GAIN); break;
545 case 0x83: input->ff_effects_max = field->value[0]; goto ignore;
546 case 0x98: map_ff(FF_AUTOCENTER); break;
547 case 0xa4: map_key_clear(BTN_DEAD); break;
548 default: goto ignore;
550 break;
552 default:
553 unknown:
554 if (field->report_size == 1) {
555 if (field->report->type == HID_OUTPUT_REPORT) {
556 map_led(LED_MISC);
557 break;
559 map_key(BTN_MISC);
560 break;
562 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
563 map_rel(REL_MISC);
564 break;
566 map_abs(ABS_MISC);
567 break;
570 set_bit(usage->type, input->evbit);
572 while (usage->code <= max && test_and_set_bit(usage->code, bit))
573 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
575 if (usage->code > max)
576 goto ignore;
578 if (((device->quirks & (HID_QUIRK_2WHEEL_POWERMOUSE)) && (usage->hid == 0x00010032)))
579 map_rel(REL_HWHEEL);
581 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
582 (usage->type == EV_REL) && (usage->code == REL_WHEEL))
583 set_bit(REL_HWHEEL, bit);
585 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
586 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
587 goto ignore;
589 if (usage->type == EV_ABS) {
591 int a = field->logical_minimum;
592 int b = field->logical_maximum;
594 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
595 a = field->logical_minimum = 0;
596 b = field->logical_maximum = 255;
599 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
600 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
601 else input_set_abs_params(input, usage->code, a, b, 0, 0);
605 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
606 int i;
607 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
608 input_set_abs_params(input, i, -1, 1, 0, 0);
609 set_bit(i, input->absbit);
611 if (usage->hat_dir && !field->dpad)
612 field->dpad = usage->code;
615 #ifdef DEBUG
616 resolv_event(usage->type, usage->code);
617 printk("\n");
618 #endif
619 return;
621 ignore:
622 #ifdef DEBUG
623 printk("IGNORED\n");
624 #endif
625 return;
628 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value, struct pt_regs *regs)
630 struct input_dev *input;
631 int *quirks = &hid->quirks;
633 if (!field->hidinput)
634 return;
636 input = field->hidinput->input;
638 input_regs(input, regs);
640 if (!usage->type)
641 return;
643 if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
644 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
645 if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
646 else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
647 return;
650 if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
651 input_event(input, usage->type, REL_HWHEEL, value);
652 return;
655 if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value))
656 return;
658 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
659 int hat_dir = usage->hat_dir;
660 if (!hat_dir)
661 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
662 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
663 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
664 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
665 return;
668 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
669 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
670 return;
673 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
674 if (value) {
675 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
676 return;
678 input_event(input, usage->type, usage->code, 0);
679 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
680 return;
683 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
684 int a = field->logical_minimum;
685 int b = field->logical_maximum;
686 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
689 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
690 input->ff_effects_max = value;
691 dbg("Maximum Effects - %d",input->ff_effects_max);
692 return;
695 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
696 dbg("PID Pool Report\n");
697 return;
700 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
701 return;
703 input_event(input, usage->type, usage->code, value);
705 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
706 input_event(input, usage->type, usage->code, 0);
709 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
711 struct hid_input *hidinput;
713 list_for_each_entry(hidinput, &hid->inputs, list)
714 input_sync(hidinput->input);
717 static int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
719 struct hid_report *report;
720 int i, j;
722 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
723 for (i = 0; i < report->maxfield; i++) {
724 *field = report->field[i];
725 for (j = 0; j < (*field)->maxusage; j++)
726 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
727 return j;
730 return -1;
733 static int hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
735 struct hid_device *hid = dev->private;
736 struct hid_field *field;
737 int offset;
739 if (type == EV_FF)
740 return hid_ff_event(hid, dev, type, code, value);
742 if (type != EV_LED)
743 return -1;
745 if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) {
746 warn("event field not found");
747 return -1;
750 hid_set_field(field, offset, value);
751 hid_submit_report(hid, field->report, USB_DIR_OUT);
753 return 0;
756 static int hidinput_open(struct input_dev *dev)
758 struct hid_device *hid = dev->private;
759 return hid_open(hid);
762 static void hidinput_close(struct input_dev *dev)
764 struct hid_device *hid = dev->private;
765 hid_close(hid);
769 * Register the input device; print a message.
770 * Configure the input layer interface
771 * Read all reports and initialize the absolute field values.
774 int hidinput_connect(struct hid_device *hid)
776 struct usb_device *dev = hid->dev;
777 struct hid_report *report;
778 struct hid_input *hidinput = NULL;
779 struct input_dev *input_dev;
780 int i, j, k;
782 INIT_LIST_HEAD(&hid->inputs);
784 for (i = 0; i < hid->maxcollection; i++)
785 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
786 hid->collection[i].type == HID_COLLECTION_PHYSICAL)
787 if (IS_INPUT_APPLICATION(hid->collection[i].usage))
788 break;
790 if (i == hid->maxcollection)
791 return -1;
793 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++)
794 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
796 if (!report->maxfield)
797 continue;
799 if (!hidinput) {
800 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
801 input_dev = input_allocate_device();
802 if (!hidinput || !input_dev) {
803 kfree(hidinput);
804 input_free_device(input_dev);
805 err("Out of memory during hid input probe");
806 return -1;
809 input_dev->private = hid;
810 input_dev->event = hidinput_input_event;
811 input_dev->open = hidinput_open;
812 input_dev->close = hidinput_close;
814 input_dev->name = hid->name;
815 input_dev->phys = hid->phys;
816 input_dev->uniq = hid->uniq;
817 usb_to_input_id(dev, &input_dev->id);
818 input_dev->cdev.dev = &hid->intf->dev;
820 hidinput->input = input_dev;
821 list_add_tail(&hidinput->list, &hid->inputs);
824 for (i = 0; i < report->maxfield; i++)
825 for (j = 0; j < report->field[i]->maxusage; j++)
826 hidinput_configure_usage(hidinput, report->field[i],
827 report->field[i]->usage + j);
829 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
830 /* This will leave hidinput NULL, so that it
831 * allocates another one if we have more inputs on
832 * the same interface. Some devices (e.g. Happ's
833 * UGCI) cram a lot of unrelated inputs into the
834 * same interface. */
835 hidinput->report = report;
836 input_register_device(hidinput->input);
837 hidinput = NULL;
841 /* This only gets called when we are a single-input (most of the
842 * time). IOW, not a HID_QUIRK_MULTI_INPUT. The hid_ff_init() is
843 * only useful in this case, and not for multi-input quirks. */
844 if (hidinput) {
845 hid_ff_init(hid);
846 input_register_device(hidinput->input);
849 return 0;
852 void hidinput_disconnect(struct hid_device *hid)
854 struct hid_input *hidinput, *next;
856 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
857 list_del(&hidinput->list);
858 input_unregister_device(hidinput->input);
859 kfree(hidinput);