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/input.h>
33 #include <linux/usb.h>
34 #include <linux/usb_input.h>
40 #define unk KEY_UNKNOWN
42 static 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
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 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
77 struct hid_usage *usage)
79 struct input_dev *input = &hidinput->input;
80 struct hid_device *device = hidinput->input.private;
82 unsigned long *bit = NULL;
84 field->hidinput = hidinput;
87 printk(KERN_DEBUG "Mapping: ");
88 resolv_usage(usage->hid);
92 if (field->flags & HID_MAIN_ITEM_CONSTANT)
95 switch (usage->hid & HID_USAGE_PAGE) {
97 case HID_UP_UNDEFINED:
100 case HID_UP_KEYBOARD:
102 set_bit(EV_REP, input->evbit);
104 if ((usage->hid & HID_USAGE) < 256) {
105 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
106 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
108 map_key(KEY_UNKNOWN);
114 code = ((usage->hid - 1) & 0xf);
116 switch (field->application) {
118 case HID_GD_POINTER: code += 0x110; break;
119 case HID_GD_JOYSTICK: code += 0x120; break;
120 case HID_GD_GAMEPAD: code += 0x130; break;
122 switch (field->physical) {
124 case HID_GD_POINTER: code += 0x110; break;
125 case HID_GD_JOYSTICK: code += 0x120; break;
126 case HID_GD_GAMEPAD: code += 0x130; break;
127 default: code += 0x100;
135 case HID_UP_SIMULATION:
137 switch (usage->hid & 0xffff) {
138 case 0xba: map_abs(ABS_RUDDER); break;
139 case 0xbb: map_abs(ABS_THROTTLE); break;
145 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
146 switch (usage->hid & 0xf) {
147 case 0x1: map_key_clear(KEY_POWER); break;
148 case 0x2: map_key_clear(KEY_SLEEP); break;
149 case 0x3: map_key_clear(KEY_WAKEUP); break;
150 default: goto unknown;
155 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
156 switch (usage->hid) {
157 case HID_GD_UP: usage->hat_dir = 1; break;
158 case HID_GD_DOWN: usage->hat_dir = 5; break;
159 case HID_GD_RIGHT: usage->hat_dir = 3; break;
160 case HID_GD_LEFT: usage->hat_dir = 7; break;
161 default: goto unknown;
164 map_abs(field->dpad);
171 switch (usage->hid) {
173 /* These usage IDs map directly to the usage codes. */
174 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
175 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
176 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
177 if (field->flags & HID_MAIN_ITEM_RELATIVE)
178 map_rel(usage->hid & 0xf);
180 map_abs(usage->hid & 0xf);
183 case HID_GD_HATSWITCH:
184 usage->hat_min = field->logical_minimum;
185 usage->hat_max = field->logical_maximum;
189 case HID_GD_START: map_key_clear(BTN_START); break;
190 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
192 default: goto unknown;
198 if (((usage->hid - 1) & 0xffff) >= LED_MAX)
200 map_led((usage->hid - 1) & 0xffff);
203 case HID_UP_DIGITIZER:
205 switch (usage->hid & 0xff) {
207 case 0x30: /* TipPressure */
208 if (!test_bit(BTN_TOUCH, input->keybit)) {
209 device->quirks |= HID_QUIRK_NOTOUCH;
210 set_bit(EV_KEY, input->evbit);
211 set_bit(BTN_TOUCH, input->keybit);
214 map_abs_clear(ABS_PRESSURE);
217 case 0x32: /* InRange */
218 switch (field->physical & 0xff) {
219 case 0x21: map_key(BTN_TOOL_MOUSE); break;
220 case 0x22: map_key(BTN_TOOL_FINGER); break;
221 default: map_key(BTN_TOOL_PEN); break;
225 case 0x3c: /* Invert */
226 map_key_clear(BTN_TOOL_RUBBER);
229 case 0x33: /* Touch */
230 case 0x42: /* TipSwitch */
231 case 0x43: /* TipSwitch2 */
232 device->quirks &= ~HID_QUIRK_NOTOUCH;
233 map_key_clear(BTN_TOUCH);
236 case 0x44: /* BarrelSwitch */
237 map_key_clear(BTN_STYLUS);
240 default: goto unknown;
244 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
246 switch (usage->hid & HID_USAGE) {
247 case 0x000: goto ignore;
248 case 0x034: map_key_clear(KEY_SLEEP); break;
249 case 0x036: map_key_clear(BTN_MISC); break;
250 case 0x045: map_key_clear(KEY_RADIO); break;
251 case 0x08a: map_key_clear(KEY_WWW); break;
252 case 0x08d: map_key_clear(KEY_PROGRAM); break;
253 case 0x095: map_key_clear(KEY_HELP); break;
254 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
255 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
256 case 0x0b0: map_key_clear(KEY_PLAY); break;
257 case 0x0b1: map_key_clear(KEY_PAUSE); break;
258 case 0x0b2: map_key_clear(KEY_RECORD); break;
259 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
260 case 0x0b4: map_key_clear(KEY_REWIND); break;
261 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
262 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
263 case 0x0b7: map_key_clear(KEY_STOPCD); break;
264 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
265 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
266 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
267 case 0x0e2: map_key_clear(KEY_MUTE); break;
268 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
269 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
270 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
271 case 0x183: map_key_clear(KEY_CONFIG); break;
272 case 0x18a: map_key_clear(KEY_MAIL); break;
273 case 0x192: map_key_clear(KEY_CALC); break;
274 case 0x194: map_key_clear(KEY_FILE); break;
275 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
276 case 0x201: map_key_clear(KEY_NEW); break;
277 case 0x207: map_key_clear(KEY_SAVE); break;
278 case 0x208: map_key_clear(KEY_PRINT); break;
279 case 0x209: map_key_clear(KEY_PROPS); break;
280 case 0x21a: map_key_clear(KEY_UNDO); break;
281 case 0x21b: map_key_clear(KEY_COPY); break;
282 case 0x21c: map_key_clear(KEY_CUT); break;
283 case 0x21d: map_key_clear(KEY_PASTE); break;
284 case 0x221: map_key_clear(KEY_FIND); break;
285 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
286 case 0x224: map_key_clear(KEY_BACK); break;
287 case 0x225: map_key_clear(KEY_FORWARD); break;
288 case 0x226: map_key_clear(KEY_STOP); break;
289 case 0x227: map_key_clear(KEY_REFRESH); break;
290 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
291 case 0x238: map_rel(REL_HWHEEL); break;
292 case 0x279: map_key_clear(KEY_REDO); break;
293 case 0x289: map_key_clear(KEY_REPLY); break;
294 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
295 case 0x28c: map_key_clear(KEY_SEND); break;
296 default: goto ignore;
300 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
302 set_bit(EV_REP, input->evbit);
303 switch (usage->hid & HID_USAGE) {
304 case 0x021: map_key_clear(KEY_PRINT); break;
305 case 0x070: map_key_clear(KEY_HP); break;
306 case 0x071: map_key_clear(KEY_CAMERA); break;
307 case 0x072: map_key_clear(KEY_SOUND); break;
308 case 0x073: map_key_clear(KEY_QUESTION); break;
309 case 0x080: map_key_clear(KEY_EMAIL); break;
310 case 0x081: map_key_clear(KEY_CHAT); break;
311 case 0x082: map_key_clear(KEY_SEARCH); break;
312 case 0x083: map_key_clear(KEY_CONNECT); break;
313 case 0x084: map_key_clear(KEY_FINANCE); break;
314 case 0x085: map_key_clear(KEY_SPORT); break;
315 case 0x086: map_key_clear(KEY_SHOP); break;
316 default: goto ignore;
320 case HID_UP_MSVENDOR:
321 case HID_UP_LOGIVENDOR:
324 case HID_UP_LOGIVENDOR2: /* Reported on Logitech Ultra X Media Remote */
326 set_bit(EV_REP, input->evbit);
327 switch(usage->hid & HID_USAGE) {
328 case 0x004: map_key_clear(KEY_AGAIN); break;
329 case 0x00d: map_key_clear(KEY_HOME); break;
330 case 0x024: map_key_clear(KEY_SHUFFLE); break;
331 case 0x025: map_key_clear(KEY_TV); break;
332 case 0x026: map_key_clear(KEY_MENU); break;
333 case 0x031: map_key_clear(KEY_AUDIO); break;
334 case 0x032: map_key_clear(KEY_SUBTITLE); break;
335 case 0x033: map_key_clear(KEY_LAST); break;
336 case 0x047: map_key_clear(KEY_MP3); break;
337 case 0x048: map_key_clear(KEY_DVD); break;
338 case 0x049: map_key_clear(KEY_MEDIA); break;
339 case 0x04a: map_key_clear(KEY_VIDEO); break;
340 case 0x04b: map_key_clear(KEY_ANGLE); break;
341 case 0x04c: map_key_clear(KEY_LANGUAGE); break;
342 case 0x04d: map_key_clear(KEY_SUBTITLE); break;
343 case 0x051: map_key_clear(KEY_RED); break;
344 case 0x052: map_key_clear(KEY_CLOSE); break;
345 default: goto ignore;
351 set_bit(EV_FF, input->evbit);
352 switch(usage->hid & HID_USAGE) {
353 case 0x26: map_ff_effect(FF_CONSTANT); goto ignore;
354 case 0x27: map_ff_effect(FF_RAMP); goto ignore;
355 case 0x28: map_ff_effect(FF_CUSTOM); goto ignore;
356 case 0x30: map_ff_effect(FF_SQUARE); map_ff_effect(FF_PERIODIC); goto ignore;
357 case 0x31: map_ff_effect(FF_SINE); map_ff_effect(FF_PERIODIC); goto ignore;
358 case 0x32: map_ff_effect(FF_TRIANGLE); map_ff_effect(FF_PERIODIC); goto ignore;
359 case 0x33: map_ff_effect(FF_SAW_UP); map_ff_effect(FF_PERIODIC); goto ignore;
360 case 0x34: map_ff_effect(FF_SAW_DOWN); map_ff_effect(FF_PERIODIC); goto ignore;
361 case 0x40: map_ff_effect(FF_SPRING); goto ignore;
362 case 0x41: map_ff_effect(FF_DAMPER); goto ignore;
363 case 0x42: map_ff_effect(FF_INERTIA); goto ignore;
364 case 0x43: map_ff_effect(FF_FRICTION); goto ignore;
365 case 0x7e: map_ff(FF_GAIN); break;
366 case 0x83: input->ff_effects_max = field->value[0]; goto ignore;
367 case 0x98: map_ff(FF_AUTOCENTER); break;
368 case 0xa4: map_key_clear(BTN_DEAD); break;
369 default: goto ignore;
375 if (field->report_size == 1) {
376 if (field->report->type == HID_OUTPUT_REPORT) {
383 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
391 set_bit(usage->type, input->evbit);
393 while (usage->code <= max && test_and_set_bit(usage->code, bit))
394 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
396 if (usage->code > max)
399 if (((device->quirks & (HID_QUIRK_2WHEEL_POWERMOUSE)) && (usage->hid == 0x00010032)))
402 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
403 (usage->type == EV_REL) && (usage->code == REL_WHEEL))
404 set_bit(REL_HWHEEL, bit);
406 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
407 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
410 if (usage->type == EV_ABS) {
412 int a = field->logical_minimum;
413 int b = field->logical_maximum;
415 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
416 a = field->logical_minimum = 0;
417 b = field->logical_maximum = 255;
420 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
421 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
422 else input_set_abs_params(input, usage->code, a, b, 0, 0);
426 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
428 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
429 input_set_abs_params(input, i, -1, 1, 0, 0);
430 set_bit(i, input->absbit);
432 if (usage->hat_dir && !field->dpad)
433 field->dpad = usage->code;
437 resolv_event(usage->type, usage->code);
449 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value, struct pt_regs *regs)
451 struct input_dev *input;
452 int *quirks = &hid->quirks;
454 if (!field->hidinput)
456 input = &field->hidinput->input;
458 input_regs(input, regs);
463 if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
464 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
465 if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
466 else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
470 if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
471 input_event(input, usage->type, REL_HWHEEL, value);
475 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
476 int hat_dir = usage->hat_dir;
478 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
479 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
480 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
481 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
485 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
486 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
490 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
492 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
495 input_event(input, usage->type, usage->code, 0);
496 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
500 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
501 int a = field->logical_minimum;
502 int b = field->logical_maximum;
503 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
506 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
507 input->ff_effects_max = value;
508 dbg("Maximum Effects - %d",input->ff_effects_max);
512 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
513 dbg("PID Pool Report\n");
517 if((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
520 input_event(input, usage->type, usage->code, value);
522 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
523 input_event(input, usage->type, usage->code, 0);
526 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
528 struct list_head *lh;
529 struct hid_input *hidinput;
531 list_for_each (lh, &hid->inputs) {
532 hidinput = list_entry(lh, struct hid_input, list);
533 input_sync(&hidinput->input);
537 static int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
539 struct hid_report *report;
542 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
543 for (i = 0; i < report->maxfield; i++) {
544 *field = report->field[i];
545 for (j = 0; j < (*field)->maxusage; j++)
546 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
553 static int hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
555 struct hid_device *hid = dev->private;
556 struct hid_field *field;
560 return hid_ff_event(hid, dev, type, code, value);
565 if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) {
566 warn("event field not found");
570 hid_set_field(field, offset, value);
571 hid_submit_report(hid, field->report, USB_DIR_OUT);
576 static int hidinput_open(struct input_dev *dev)
578 struct hid_device *hid = dev->private;
579 return hid_open(hid);
582 static void hidinput_close(struct input_dev *dev)
584 struct hid_device *hid = dev->private;
589 * Register the input device; print a message.
590 * Configure the input layer interface
591 * Read all reports and initialize the absolute field values.
594 int hidinput_connect(struct hid_device *hid)
596 struct usb_device *dev = hid->dev;
597 struct hid_report *report;
598 struct hid_input *hidinput = NULL;
601 INIT_LIST_HEAD(&hid->inputs);
603 for (i = 0; i < hid->maxcollection; i++)
604 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
605 hid->collection[i].type == HID_COLLECTION_PHYSICAL)
606 if (IS_INPUT_APPLICATION(hid->collection[i].usage))
609 if (i == hid->maxcollection)
612 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++)
613 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
615 if (!report->maxfield)
619 hidinput = kmalloc(sizeof(*hidinput), GFP_KERNEL);
621 err("Out of memory during hid input probe");
624 memset(hidinput, 0, sizeof(*hidinput));
626 list_add_tail(&hidinput->list, &hid->inputs);
628 hidinput->input.private = hid;
629 hidinput->input.event = hidinput_input_event;
630 hidinput->input.open = hidinput_open;
631 hidinput->input.close = hidinput_close;
633 hidinput->input.name = hid->name;
634 hidinput->input.phys = hid->phys;
635 hidinput->input.uniq = hid->uniq;
636 usb_to_input_id(dev, &hidinput->input.id);
637 hidinput->input.dev = &hid->intf->dev;
640 for (i = 0; i < report->maxfield; i++)
641 for (j = 0; j < report->field[i]->maxusage; j++)
642 hidinput_configure_usage(hidinput, report->field[i],
643 report->field[i]->usage + j);
645 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
646 /* This will leave hidinput NULL, so that it
647 * allocates another one if we have more inputs on
648 * the same interface. Some devices (e.g. Happ's
649 * UGCI) cram a lot of unrelated inputs into the
651 hidinput->report = report;
652 input_register_device(&hidinput->input);
657 /* This only gets called when we are a single-input (most of the
658 * time). IOW, not a HID_QUIRK_MULTI_INPUT. The hid_ff_init() is
659 * only useful in this case, and not for multi-input quirks. */
662 input_register_device(&hidinput->input);
668 void hidinput_disconnect(struct hid_device *hid)
670 struct list_head *lh, *next;
671 struct hid_input *hidinput;
673 list_for_each_safe(lh, next, &hid->inputs) {
674 hidinput = list_entry(lh, struct hid_input, list);
675 input_unregister_device(&hidinput->input);
676 list_del(&hidinput->list);