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
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/usb/input.h>
38 #define unk KEY_UNKNOWN
40 static 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
62 } hid_hat_to_axis
[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
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)
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)
72 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK
74 struct hidinput_key_translation
{
80 #define POWERBOOK_FLAG_FKEY 0x01
82 static 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
},
101 static struct hidinput_key_translation powerbook_numlock_keys
[] = {
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
},
124 static int usbhid_pb_fnmode
= 1;
125 module_param_named(pb_fnmode
, usbhid_pb_fnmode
, int, 0644);
126 MODULE_PARM_DESC(pb_fnmode
,
127 "Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
129 static struct hidinput_key_translation
*find_translation(struct hidinput_key_translation
*table
, u16 from
)
131 struct hidinput_key_translation
*trans
;
133 /* Look for the translation */
134 for (trans
= table
; trans
->from
; trans
++)
135 if (trans
->from
== from
)
141 static int hidinput_pb_event(struct hid_device
*hid
, struct input_dev
*input
,
142 struct hid_usage
*usage
, __s32 value
)
144 struct hidinput_key_translation
*trans
;
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
;
150 input_event(input
, usage
->type
, usage
->code
, value
);
155 if (usbhid_pb_fnmode
) {
158 trans
= find_translation(powerbook_fn_keys
, usage
->code
);
160 if (test_bit(usage
->code
, hid
->pb_pressed_fn
))
162 else if (trans
->flags
& POWERBOOK_FLAG_FKEY
)
164 (usbhid_pb_fnmode
== 2 && (hid
->quirks
& HID_QUIRK_POWERBOOK_FN_ON
)) ||
165 (usbhid_pb_fnmode
== 1 && !(hid
->quirks
& HID_QUIRK_POWERBOOK_FN_ON
));
167 do_translate
= (hid
->quirks
& HID_QUIRK_POWERBOOK_FN_ON
);
171 set_bit(usage
->code
, hid
->pb_pressed_fn
);
173 clear_bit(usage
->code
, hid
->pb_pressed_fn
);
175 input_event(input
, usage
->type
, trans
->to
, value
);
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
);
187 set_bit(usage
->code
, hid
->pb_pressed_numlock
);
189 clear_bit(usage
->code
, hid
->pb_pressed_numlock
);
191 input_event(input
, usage
->type
, trans
->to
, value
);
201 static void hidinput_pb_setup(struct input_dev
*input
)
203 struct hidinput_key_translation
*trans
;
205 set_bit(KEY_NUMLOCK
, input
->keybit
);
207 /* Enable all needed keys */
208 for (trans
= powerbook_fn_keys
; trans
->from
; trans
++)
209 set_bit(trans
->to
, input
->keybit
);
211 for (trans
= powerbook_numlock_keys
; trans
->from
; trans
++)
212 set_bit(trans
->to
, input
->keybit
);
215 static inline int hidinput_pb_event(struct hid_device
*hid
, struct input_dev
*input
,
216 struct hid_usage
*usage
, __s32 value
)
221 static inline void hidinput_pb_setup(struct input_dev
*input
)
226 static void hidinput_configure_usage(struct hid_input
*hidinput
, struct hid_field
*field
,
227 struct hid_usage
*usage
)
229 struct input_dev
*input
= hidinput
->input
;
230 struct hid_device
*device
= input
->private;
232 unsigned long *bit
= NULL
;
234 field
->hidinput
= hidinput
;
237 printk(KERN_DEBUG
"Mapping: ");
238 resolv_usage(usage
->hid
);
242 if (field
->flags
& HID_MAIN_ITEM_CONSTANT
)
245 switch (usage
->hid
& HID_USAGE_PAGE
) {
247 case HID_UP_UNDEFINED
:
250 case HID_UP_KEYBOARD
:
252 set_bit(EV_REP
, input
->evbit
);
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
]);
258 map_key(KEY_UNKNOWN
);
264 code
= ((usage
->hid
- 1) & 0xf);
266 switch (field
->application
) {
268 case HID_GD_POINTER
: code
+= 0x110; break;
269 case HID_GD_JOYSTICK
: code
+= 0x120; break;
270 case HID_GD_GAMEPAD
: code
+= 0x130; break;
272 switch (field
->physical
) {
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;
285 case HID_UP_SIMULATION
:
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
;
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
;
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
;
318 map_abs(field
->dpad
);
325 switch (usage
->hid
) {
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);
334 map_abs(usage
->hid
& 0xf);
337 case HID_GD_HATSWITCH
:
338 usage
->hat_min
= field
->logical_minimum
;
339 usage
->hat_max
= field
->logical_maximum
;
343 case HID_GD_START
: map_key_clear(BTN_START
); break;
344 case HID_GD_SELECT
: map_key_clear(BTN_SELECT
); break;
346 default: goto unknown
;
352 if (((usage
->hid
- 1) & 0xffff) >= LED_MAX
)
354 map_led((usage
->hid
- 1) & 0xffff);
357 case HID_UP_DIGITIZER
:
359 switch (usage
->hid
& 0xff) {
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
);
368 map_abs_clear(ABS_PRESSURE
);
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;
379 case 0x3c: /* Invert */
380 map_key_clear(BTN_TOOL_RUBBER
);
383 case 0x33: /* Touch */
384 case 0x42: /* TipSwitch */
385 case 0x43: /* TipSwitch2 */
386 device
->quirks
&= ~HID_QUIRK_NOTOUCH
;
387 map_key_clear(BTN_TOUCH
);
390 case 0x44: /* BarrelSwitch */
391 map_key_clear(BTN_STYLUS
);
394 default: goto unknown
;
398 case HID_UP_CONSUMER
: /* USB HUT v1.1, pages 56-62 */
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;
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;
458 default: goto ignore
;
462 case HID_UP_HPVENDOR
: /* Reported on a Dutch layout HP5308 */
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
;
482 case HID_UP_MSVENDOR
:
485 case HID_UP_CUSTOM
: /* Reported on Logitech and Powerbook USB keyboards */
487 set_bit(EV_REP
, input
->evbit
);
488 switch(usage
->hid
& HID_USAGE
) {
490 /* The fn key on Apple PowerBooks */
491 map_key_clear(KEY_FN
);
492 hidinput_pb_setup(input
);
495 default: goto ignore
;
499 case HID_UP_LOGIVENDOR
: /* Reported on Logitech Ultra X Media Remote */
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
;
526 switch(usage
->hid
& HID_USAGE
) {
527 case 0xa4: map_key_clear(BTN_DEAD
); break;
528 default: goto ignore
;
534 if (field
->report_size
== 1) {
535 if (field
->report
->type
== HID_OUTPUT_REPORT
) {
542 if (field
->flags
& HID_MAIN_ITEM_RELATIVE
) {
550 if (device
->quirks
& HID_QUIRK_MIGHTYMOUSE
) {
551 if (usage
->hid
== HID_GD_Z
)
553 else if (usage
->code
== BTN_1
)
555 else if (usage
->code
== BTN_2
)
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
);
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)))
567 set_bit(usage
->type
, input
->evbit
);
569 while (usage
->code
<= max
&& test_and_set_bit(usage
->code
, bit
))
570 usage
->code
= find_next_zero_bit(bit
, max
+ 1, usage
->code
);
572 if (usage
->code
> max
)
576 if (usage
->type
== EV_ABS
) {
578 int a
= field
->logical_minimum
;
579 int b
= field
->logical_maximum
;
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;
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);
592 if (usage
->type
== EV_ABS
&&
593 (usage
->hat_min
< usage
->hat_max
|| usage
->hat_dir
)) {
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
);
599 if (usage
->hat_dir
&& !field
->dpad
)
600 field
->dpad
= usage
->code
;
604 resolv_event(usage
->type
, usage
->code
);
616 void hidinput_hid_event(struct hid_device
*hid
, struct hid_field
*field
, struct hid_usage
*usage
, __s32 value
, struct pt_regs
*regs
)
618 struct input_dev
*input
;
619 int *quirks
= &hid
->quirks
;
621 if (!field
->hidinput
)
624 input
= field
->hidinput
->input
;
626 input_regs(input
, regs
);
631 if (((hid
->quirks
& HID_QUIRK_2WHEEL_MOUSE_HACK_5
) && (usage
->hid
== 0x00090005))
632 || ((hid
->quirks
& HID_QUIRK_2WHEEL_MOUSE_HACK_7
) && (usage
->hid
== 0x00090007))) {
633 if (value
) hid
->quirks
|= HID_QUIRK_2WHEEL_MOUSE_HACK_ON
;
634 else hid
->quirks
&= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON
;
638 if ((hid
->quirks
& HID_QUIRK_INVERT_HWHEEL
) && (usage
->code
== REL_HWHEEL
)) {
639 input_event(input
, usage
->type
, usage
->code
, -value
);
643 if ((hid
->quirks
& HID_QUIRK_2WHEEL_MOUSE_HACK_ON
) && (usage
->code
== REL_WHEEL
)) {
644 input_event(input
, usage
->type
, REL_HWHEEL
, value
);
648 if ((hid
->quirks
& HID_QUIRK_POWERBOOK_HAS_FN
) && hidinput_pb_event(hid
, input
, usage
, value
))
651 if (usage
->hat_min
< usage
->hat_max
|| usage
->hat_dir
) {
652 int hat_dir
= usage
->hat_dir
;
654 hat_dir
= (value
- usage
->hat_min
) * 8 / (usage
->hat_max
- usage
->hat_min
+ 1) + 1;
655 if (hat_dir
< 0 || hat_dir
> 8) hat_dir
= 0;
656 input_event(input
, usage
->type
, usage
->code
, hid_hat_to_axis
[hat_dir
].x
);
657 input_event(input
, usage
->type
, usage
->code
+ 1, hid_hat_to_axis
[hat_dir
].y
);
661 if (usage
->hid
== (HID_UP_DIGITIZER
| 0x003c)) { /* Invert */
662 *quirks
= value
? (*quirks
| HID_QUIRK_INVERT
) : (*quirks
& ~HID_QUIRK_INVERT
);
666 if (usage
->hid
== (HID_UP_DIGITIZER
| 0x0032)) { /* InRange */
668 input_event(input
, usage
->type
, (*quirks
& HID_QUIRK_INVERT
) ? BTN_TOOL_RUBBER
: usage
->code
, 1);
671 input_event(input
, usage
->type
, usage
->code
, 0);
672 input_event(input
, usage
->type
, BTN_TOOL_RUBBER
, 0);
676 if (usage
->hid
== (HID_UP_DIGITIZER
| 0x0030) && (*quirks
& HID_QUIRK_NOTOUCH
)) { /* Pressure */
677 int a
= field
->logical_minimum
;
678 int b
= field
->logical_maximum
;
679 input_event(input
, EV_KEY
, BTN_TOUCH
, value
> a
+ ((b
- a
) >> 3));
682 if (usage
->hid
== (HID_UP_PID
| 0x83UL
)) { /* Simultaneous Effects Max */
683 dbg("Maximum Effects - %d",value
);
687 if (usage
->hid
== (HID_UP_PID
| 0x7fUL
)) {
688 dbg("PID Pool Report\n");
692 if ((usage
->type
== EV_KEY
) && (usage
->code
== 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
695 input_event(input
, usage
->type
, usage
->code
, value
);
697 if ((field
->flags
& HID_MAIN_ITEM_RELATIVE
) && (usage
->type
== EV_KEY
))
698 input_event(input
, usage
->type
, usage
->code
, 0);
701 void hidinput_report_event(struct hid_device
*hid
, struct hid_report
*report
)
703 struct hid_input
*hidinput
;
705 list_for_each_entry(hidinput
, &hid
->inputs
, list
)
706 input_sync(hidinput
->input
);
709 static int hidinput_find_field(struct hid_device
*hid
, unsigned int type
, unsigned int code
, struct hid_field
**field
)
711 struct hid_report
*report
;
714 list_for_each_entry(report
, &hid
->report_enum
[HID_OUTPUT_REPORT
].report_list
, list
) {
715 for (i
= 0; i
< report
->maxfield
; i
++) {
716 *field
= report
->field
[i
];
717 for (j
= 0; j
< (*field
)->maxusage
; j
++)
718 if ((*field
)->usage
[j
].type
== type
&& (*field
)->usage
[j
].code
== code
)
725 static int hidinput_input_event(struct input_dev
*dev
, unsigned int type
, unsigned int code
, int value
)
727 struct hid_device
*hid
= dev
->private;
728 struct hid_field
*field
;
732 return input_ff_event(dev
, type
, code
, value
);
737 if ((offset
= hidinput_find_field(hid
, type
, code
, &field
)) == -1) {
738 warn("event field not found");
742 hid_set_field(field
, offset
, value
);
743 hid_submit_report(hid
, field
->report
, USB_DIR_OUT
);
748 static int hidinput_open(struct input_dev
*dev
)
750 struct hid_device
*hid
= dev
->private;
751 return hid_open(hid
);
754 static void hidinput_close(struct input_dev
*dev
)
756 struct hid_device
*hid
= dev
->private;
761 * Register the input device; print a message.
762 * Configure the input layer interface
763 * Read all reports and initialize the absolute field values.
766 int hidinput_connect(struct hid_device
*hid
)
768 struct usb_device
*dev
= hid
->dev
;
769 struct hid_report
*report
;
770 struct hid_input
*hidinput
= NULL
;
771 struct input_dev
*input_dev
;
774 INIT_LIST_HEAD(&hid
->inputs
);
776 for (i
= 0; i
< hid
->maxcollection
; i
++)
777 if (hid
->collection
[i
].type
== HID_COLLECTION_APPLICATION
||
778 hid
->collection
[i
].type
== HID_COLLECTION_PHYSICAL
)
779 if (IS_INPUT_APPLICATION(hid
->collection
[i
].usage
))
782 if (i
== hid
->maxcollection
)
785 for (k
= HID_INPUT_REPORT
; k
<= HID_OUTPUT_REPORT
; k
++)
786 list_for_each_entry(report
, &hid
->report_enum
[k
].report_list
, list
) {
788 if (!report
->maxfield
)
792 hidinput
= kzalloc(sizeof(*hidinput
), GFP_KERNEL
);
793 input_dev
= input_allocate_device();
794 if (!hidinput
|| !input_dev
) {
796 input_free_device(input_dev
);
797 err("Out of memory during hid input probe");
801 input_dev
->private = hid
;
802 input_dev
->event
= hidinput_input_event
;
803 input_dev
->open
= hidinput_open
;
804 input_dev
->close
= hidinput_close
;
806 input_dev
->name
= hid
->name
;
807 input_dev
->phys
= hid
->phys
;
808 input_dev
->uniq
= hid
->uniq
;
809 usb_to_input_id(dev
, &input_dev
->id
);
810 input_dev
->cdev
.dev
= &hid
->intf
->dev
;
812 hidinput
->input
= input_dev
;
813 list_add_tail(&hidinput
->list
, &hid
->inputs
);
816 for (i
= 0; i
< report
->maxfield
; i
++)
817 for (j
= 0; j
< report
->field
[i
]->maxusage
; j
++)
818 hidinput_configure_usage(hidinput
, report
->field
[i
],
819 report
->field
[i
]->usage
+ j
);
821 if (hid
->quirks
& HID_QUIRK_MULTI_INPUT
) {
822 /* This will leave hidinput NULL, so that it
823 * allocates another one if we have more inputs on
824 * the same interface. Some devices (e.g. Happ's
825 * UGCI) cram a lot of unrelated inputs into the
827 hidinput
->report
= report
;
828 input_register_device(hidinput
->input
);
833 /* This only gets called when we are a single-input (most of the
834 * time). IOW, not a HID_QUIRK_MULTI_INPUT. The hid_ff_init() is
835 * only useful in this case, and not for multi-input quirks. */
838 input_register_device(hidinput
->input
);
844 void hidinput_disconnect(struct hid_device
*hid
)
846 struct hid_input
*hidinput
, *next
;
848 list_for_each_entry_safe(hidinput
, next
, &hid
->inputs
, list
) {
849 list_del(&hidinput
->list
);
850 input_unregister_device(hidinput
->input
);