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HID: hid-input: add support for HID devices reporting Battery Strength
[deliverable/linux.git] / drivers / hid / hid-input.c
CommitLineData
dde5845a 1/*
dde5845a 2 * Copyright (c) 2000-2001 Vojtech Pavlik
7d39e849 3 * Copyright (c) 2006-2010 Jiri Kosina
dde5845a
JK		 4 *
5 * HID to Linux Input mapping
6 */
7
8/*
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 * Should you need to contact me, the author, you can do so either by
24 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
25 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
26 */
27
28#include <linux/module.h>
29#include <linux/slab.h>
30#include <linux/kernel.h>
dde5845a 31
dde5845a 32#include <linux/hid.h>
c080d89a 33#include <linux/hid-debug.h>
dde5845a
JK		 34
35#define unk KEY_UNKNOWN
36
37static const unsigned char hid_keyboard[256] = {
38 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
39 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3,
40 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
41 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
42 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
43 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
44 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
45 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
46 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
437f3b19 47 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk,
dde5845a 48 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
1fe8736d 49 unk,unk,unk,unk,unk,unk,179,180,unk,unk,unk,unk,unk,unk,unk,unk,
dde5845a 50 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
437f3b19 51 unk,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk,unk,unk,unk,unk,
dde5845a
JK		 52 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
53 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
54};
55
56static const struct {
57 __s32 x;
58 __s32 y;
59} hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
60
022e8c4d
JS		 61#define map_abs(c) hid_map_usage(hidinput, usage, &bit, &max, EV_ABS, (c))
62#define map_rel(c) hid_map_usage(hidinput, usage, &bit, &max, EV_REL, (c))
63#define map_key(c) hid_map_usage(hidinput, usage, &bit, &max, EV_KEY, (c))
64#define map_led(c) hid_map_usage(hidinput, usage, &bit, &max, EV_LED, (c))
dde5845a 65
022e8c4d
JS		 66#define map_abs_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \
67 &max, EV_ABS, (c))
68#define map_key_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \
69 &max, EV_KEY, (c))
dde5845a 70
a0bf0ea8
DT		 71static bool match_scancode(struct hid_usage *usage,
72 unsigned int cur_idx, unsigned int scancode)
fe7ba31f 73{
a0bf0ea8 74 return (usage->hid & (HID_USAGE_PAGE | HID_USAGE)) == scancode;
fe7ba31f
MR		 75}
76
a0bf0ea8
DT		 77static bool match_keycode(struct hid_usage *usage,
78 unsigned int cur_idx, unsigned int keycode)
fe7ba31f 79{
f5854fad
DT		 80 /*
81 * We should exclude unmapped usages when doing lookup by keycode.
82 */
83 return (usage->type == EV_KEY && usage->code == keycode);
a0bf0ea8 84}
58b93995 85
a0bf0ea8
DT		 86static bool match_index(struct hid_usage *usage,
87 unsigned int cur_idx, unsigned int idx)
88{
89 return cur_idx == idx;
fe7ba31f
MR		 90}
91
a0bf0ea8
DT		 92typedef bool (*hid_usage_cmp_t)(struct hid_usage *usage,
93 unsigned int cur_idx, unsigned int val);
94
fe7ba31f 95static struct hid_usage *hidinput_find_key(struct hid_device *hid,
a0bf0ea8
DT		 96 hid_usage_cmp_t match,
97 unsigned int value,
98 unsigned int *usage_idx)
fe7ba31f 99{
a0bf0ea8 100 unsigned int i, j, k, cur_idx = 0;
fe7ba31f
MR		 101 struct hid_report *report;
102 struct hid_usage *usage;
103
104 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
105 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
106 for (i = 0; i < report->maxfield; i++) {
a0bf0ea8 107 for (j = 0; j < report->field[i]->maxusage; j++) {
fe7ba31f 108 usage = report->field[i]->usage + j;
f5854fad 109 if (usage->type == EV_KEY || usage->type == 0) {
a0bf0ea8
DT		 110 if (match(usage, cur_idx, value)) {
111 if (usage_idx)
112 *usage_idx = cur_idx;
113 return usage;
114 }
115 cur_idx++;
116 }
fe7ba31f
MR		 117 }
118 }
119 }
120 }
121 return NULL;
122}
123
a0bf0ea8
DT		 124static struct hid_usage *hidinput_locate_usage(struct hid_device *hid,
125 const struct input_keymap_entry *ke,
126 unsigned int *index)
127{
128 struct hid_usage *usage;
129 unsigned int scancode;
130
131 if (ke->flags & INPUT_KEYMAP_BY_INDEX)
132 usage = hidinput_find_key(hid, match_index, ke->index, index);
133 else if (input_scancode_to_scalar(ke, &scancode) == 0)
134 usage = hidinput_find_key(hid, match_scancode, scancode, index);
135 else
136 usage = NULL;
137
138 return usage;
139}
140
58b93995 141static int hidinput_getkeycode(struct input_dev *dev,
a0bf0ea8 142 struct input_keymap_entry *ke)
fe7ba31f 143{
f202df60 144 struct hid_device *hid = input_get_drvdata(dev);
fe7ba31f 145 struct hid_usage *usage;
a0bf0ea8 146 unsigned int scancode, index;
77b29662 147
a0bf0ea8 148 usage = hidinput_locate_usage(hid, ke, &index);
fe7ba31f 149 if (usage) {
f5854fad
DT		 150 ke->keycode = usage->type == EV_KEY ?
151 usage->code : KEY_RESERVED;
a0bf0ea8
DT		 152 ke->index = index;
153 scancode = usage->hid & (HID_USAGE_PAGE | HID_USAGE);
154 ke->len = sizeof(scancode);
155 memcpy(ke->scancode, &scancode, sizeof(scancode));
fe7ba31f
MR		 156 return 0;
157 }
a0bf0ea8 158
fe7ba31f
MR		 159 return -EINVAL;
160}
161
58b93995 162static int hidinput_setkeycode(struct input_dev *dev,
a0bf0ea8
DT		 163 const struct input_keymap_entry *ke,
164 unsigned int *old_keycode)
fe7ba31f 165{
f202df60 166 struct hid_device *hid = input_get_drvdata(dev);
fe7ba31f 167 struct hid_usage *usage;
77b29662 168
a0bf0ea8 169 usage = hidinput_locate_usage(hid, ke, NULL);
fe7ba31f 170 if (usage) {
f5854fad
DT		 171 *old_keycode = usage->type == EV_KEY ?
172 usage->code : KEY_RESERVED;
a0bf0ea8 173 usage->code = ke->keycode;
77b29662 174
a0bf0ea8 175 clear_bit(*old_keycode, dev->keybit);
fe7ba31f 176 set_bit(usage->code, dev->keybit);
587d1452 177 dbg_hid("Assigned keycode %d to HID usage code %x\n",
a0bf0ea8
DT		 178 usage->code, usage->hid);
179
180 /*
181 * Set the keybit for the old keycode if the old keycode is used
182 * by another key
183 */
184 if (hidinput_find_key(hid, match_keycode, *old_keycode, NULL))
185 set_bit(*old_keycode, dev->keybit);
77b29662 186
fe7ba31f
MR		 187 return 0;
188 }
77b29662 189
fe7ba31f
MR		 190 return -EINVAL;
191}
192
193
4ea6e4ff
NK		 194/**
195 * hidinput_calc_abs_res - calculate an absolute axis resolution
196 * @field: the HID report field to calculate resolution for
197 * @code: axis code
198 *
199 * The formula is:
200 * (logical_maximum - logical_minimum)
201 * resolution = ----------------------------------------------------------
202 * (physical_maximum - physical_minimum) * 10 ^ unit_exponent
203 *
204 * as seen in the HID specification v1.11 6.2.2.7 Global Items.
205 *
83ed79c5
DT		 206 * Only exponent 1 length units are processed. Centimeters and inches are
207 * converted to millimeters. Degrees are converted to radians.
4ea6e4ff
NK		 208 */
209static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
210{
211 __s32 unit_exponent = field->unit_exponent;
212 __s32 logical_extents = field->logical_maximum -
213 field->logical_minimum;
214 __s32 physical_extents = field->physical_maximum -
215 field->physical_minimum;
216 __s32 prev;
217
218 /* Check if the extents are sane */
219 if (logical_extents <= 0 || physical_extents <= 0)
220 return 0;
221
222 /*
223 * Verify and convert units.
224 * See HID specification v1.11 6.2.2.7 Global Items for unit decoding
225 */
226 if (code == ABS_X || code == ABS_Y || code == ABS_Z) {
227 if (field->unit == 0x11) { /* If centimeters */
83ed79c5
DT		 228 /* Convert to millimeters */
229 unit_exponent += 1;
230 } else if (field->unit == 0x13) { /* If inches */
231 /* Convert to millimeters */
232 prev = physical_extents;
233 physical_extents *= 254;
234 if (physical_extents < prev)
4ea6e4ff 235 return 0;
83ed79c5
DT		 236 unit_exponent -= 1;
237 } else {
4ea6e4ff
NK		 238 return 0;
239 }
240 } else if (code == ABS_RX || code == ABS_RY || code == ABS_RZ) {
241 if (field->unit == 0x14) { /* If degrees */
242 /* Convert to radians */
243 prev = logical_extents;
244 logical_extents *= 573;
245 if (logical_extents < prev)
246 return 0;
247 unit_exponent += 1;
248 } else if (field->unit != 0x12) { /* If not radians */
249 return 0;
250 }
251 } else {
252 return 0;
253 }
254
255 /* Apply negative unit exponent */
256 for (; unit_exponent < 0; unit_exponent++) {
257 prev = logical_extents;
258 logical_extents *= 10;
259 if (logical_extents < prev)
260 return 0;
261 }
262 /* Apply positive unit exponent */
263 for (; unit_exponent > 0; unit_exponent--) {
264 prev = physical_extents;
265 physical_extents *= 10;
266 if (physical_extents < prev)
267 return 0;
268 }
269
270 /* Calculate resolution */
271 return logical_extents / physical_extents;
272}
273
4f5ca836
JF		 274#ifdef CONFIG_HID_BATTERY_STRENGTH
275static enum power_supply_property hidinput_battery_props[] = {
276 POWER_SUPPLY_PROP_PRESENT,
277 POWER_SUPPLY_PROP_ONLINE,
278 POWER_SUPPLY_PROP_CAPACITY,
279 POWER_SUPPLY_PROP_MODEL_NAME,
280};
281
282static int hidinput_get_battery_property(struct power_supply *psy,
283 enum power_supply_property prop,
284 union power_supply_propval *val)
285{
286 struct hid_device *dev = container_of(psy, struct hid_device, battery);
287 int ret = 0;
288
289 switch (prop) {
290 case POWER_SUPPLY_PROP_PRESENT:
291 case POWER_SUPPLY_PROP_ONLINE:
292 val->intval = 1;
293 break;
294
295 case POWER_SUPPLY_PROP_CAPACITY:
296 if (dev->battery_min < dev->battery_max &&
297 dev->battery_val >= dev->battery_min &&
298 dev->battery_val <= dev->battery_max)
299 val->intval = (100 * (dev->battery_val - dev->battery_min)) /
300 (dev->battery_max - dev->battery_min);
301 else
302 ret = -EINVAL;
303 break;
304
305 case POWER_SUPPLY_PROP_MODEL_NAME:
306 val->strval = dev->name;
307 break;
308
309 default:
310 ret = -EINVAL;
311 break;
312 }
313
314 return ret;
315}
316
317static void hidinput_setup_battery(struct hid_device *dev, s32 min, s32 max)
318{
319 struct power_supply *battery = &dev->battery;
320 int ret;
321
322 if (battery->name != NULL)
323 return; /* already initialized? */
324
325 battery->name = kasprintf(GFP_KERNEL, "hid-%s-battery", dev->uniq);
326 if (battery->name == NULL)
327 return;
328
329 battery->type = POWER_SUPPLY_TYPE_BATTERY;
330 battery->properties = hidinput_battery_props;
331 battery->num_properties = ARRAY_SIZE(hidinput_battery_props);
332 battery->use_for_apm = 0;
333 battery->get_property = hidinput_get_battery_property;
334
335 dev->battery_min = min;
336 dev->battery_max = max;
337
338 ret = power_supply_register(&dev->dev, battery);
339 if (ret != 0) {
340 hid_warn(dev, "can't register power supply: %d\n", ret);
341 kfree(battery->name);
342 battery->name = NULL;
343 }
344}
345
346static void hidinput_cleanup_battery(struct hid_device *dev)
347{
348 if (!dev->battery.name)
349 return;
350
351 power_supply_unregister(&dev->battery);
352 kfree(dev->battery.name);
353 dev->battery.name = NULL;
354}
355#else /* !CONFIG_HID_BATTERY_STRENGTH */
356static void hidinput_setup_battery(struct hid_device *dev, s32 min, s32 max)
357{
358}
359
360static void hidinput_cleanup_battery(struct hid_device *dev)
361{
362}
363#endif /* CONFIG_HID_BATTERY_STRENGTH */
364
dde5845a
JK		 365static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
366 struct hid_usage *usage)
367{
368 struct input_dev *input = hidinput->input;
e0712985 369 struct hid_device *device = input_get_drvdata(input);
3715ade9 370 int max = 0, code;
dde5845a
JK		 371 unsigned long *bit = NULL;
372
373 field->hidinput = hidinput;
374
dde5845a
JK		 375 if (field->flags & HID_MAIN_ITEM_CONSTANT)
376 goto ignore;
377
82eb1219
JK		 378 /* only LED usages are supported in output fields */
379 if (field->report_type == HID_OUTPUT_REPORT &&
380 (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
82eb1219
JK		 381 goto ignore;
382 }
383
c500c971
JS		 384 if (device->driver->input_mapping) {
385 int ret = device->driver->input_mapping(device, hidinput, field,
386 usage, &bit, &max);
387 if (ret > 0)
388 goto mapped;
389 if (ret < 0)
390 goto ignore;
391 }
392
dde5845a 393 switch (usage->hid & HID_USAGE_PAGE) {
880d29f1
JS		 394 case HID_UP_UNDEFINED:
395 goto ignore;
dde5845a 396
880d29f1
JS		 397 case HID_UP_KEYBOARD:
398 set_bit(EV_REP, input->evbit);
dde5845a 399
880d29f1
JS		 400 if ((usage->hid & HID_USAGE) < 256) {
401 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
402 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
403 } else
404 map_key(KEY_UNKNOWN);
dde5845a 405
880d29f1 406 break;
dde5845a 407
880d29f1 408 case HID_UP_BUTTON:
7f978b9b 409 code = ((usage->hid - 1) & HID_USAGE);
dde5845a 410
880d29f1
JS		 411 switch (field->application) {
412 case HID_GD_MOUSE:
1874542d 413 case HID_GD_POINTER: code += BTN_MOUSE; break;
cf2f765f 414 case HID_GD_JOYSTICK:
fc99f22c
DM		 415 if (code <= 0xf)
416 code += BTN_JOYSTICK;
417 else
418 code += BTN_TRIGGER_HAPPY;
419 break;
1874542d 420 case HID_GD_GAMEPAD: code += BTN_GAMEPAD; break;
880d29f1
JS		 421 default:
422 switch (field->physical) {
423 case HID_GD_MOUSE:
1874542d
FF		 424 case HID_GD_POINTER: code += BTN_MOUSE; break;
425 case HID_GD_JOYSTICK: code += BTN_JOYSTICK; break;
426 case HID_GD_GAMEPAD: code += BTN_GAMEPAD; break;
427 default: code += BTN_MISC;
dde5845a 428 }
880d29f1 429 }
dde5845a 430
880d29f1
JS		 431 map_key(code);
432 break;
433
434 case HID_UP_SIMULATION:
435 switch (usage->hid & 0xffff) {
436 case 0xba: map_abs(ABS_RUDDER); break;
437 case 0xbb: map_abs(ABS_THROTTLE); break;
438 case 0xc4: map_abs(ABS_GAS); break;
439 case 0xc5: map_abs(ABS_BRAKE); break;
440 case 0xc8: map_abs(ABS_WHEEL); break;
441 default: goto ignore;
442 }
443 break;
444
445 case HID_UP_GENDESK:
446 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
447 switch (usage->hid & 0xf) {
448 case 0x1: map_key_clear(KEY_POWER); break;
449 case 0x2: map_key_clear(KEY_SLEEP); break;
450 case 0x3: map_key_clear(KEY_WAKEUP); break;
437f3b19
JW		 451 case 0x4: map_key_clear(KEY_CONTEXT_MENU); break;
452 case 0x5: map_key_clear(KEY_MENU); break;
453 case 0x6: map_key_clear(KEY_PROG1); break;
454 case 0x7: map_key_clear(KEY_HELP); break;
455 case 0x8: map_key_clear(KEY_EXIT); break;
456 case 0x9: map_key_clear(KEY_SELECT); break;
457 case 0xa: map_key_clear(KEY_RIGHT); break;
458 case 0xb: map_key_clear(KEY_LEFT); break;
459 case 0xc: map_key_clear(KEY_UP); break;
460 case 0xd: map_key_clear(KEY_DOWN); break;
461 case 0xe: map_key_clear(KEY_POWER2); break;
462 case 0xf: map_key_clear(KEY_RESTART); break;
880d29f1 463 default: goto unknown;
dde5845a
JK		 464 }
465 break;
880d29f1 466 }
dde5845a 467
880d29f1 468 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
dde5845a 469 switch (usage->hid) {
880d29f1
JS		 470 case HID_GD_UP: usage->hat_dir = 1; break;
471 case HID_GD_DOWN: usage->hat_dir = 5; break;
472 case HID_GD_RIGHT: usage->hat_dir = 3; break;
473 case HID_GD_LEFT: usage->hat_dir = 7; break;
474 default: goto unknown;
dde5845a 475 }
880d29f1
JS		 476 if (field->dpad) {
477 map_abs(field->dpad);
478 goto ignore;
d4ae650a 479 }
880d29f1 480 map_abs(ABS_HAT0X);
dde5845a 481 break;
880d29f1 482 }
dde5845a 483
880d29f1
JS		 484 switch (usage->hid) {
485 /* These usage IDs map directly to the usage codes. */
486 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
487 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
488 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
489 if (field->flags & HID_MAIN_ITEM_RELATIVE)
490 map_rel(usage->hid & 0xf);
491 else
492 map_abs(usage->hid & 0xf);
493 break;
dde5845a 494
880d29f1
JS		 495 case HID_GD_HATSWITCH:
496 usage->hat_min = field->logical_minimum;
497 usage->hat_max = field->logical_maximum;
498 map_abs(ABS_HAT0X);
499 break;
dde5845a 500
880d29f1
JS		 501 case HID_GD_START: map_key_clear(BTN_START); break;
502 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
dde5845a 503
880d29f1
JS		 504 default: goto unknown;
505 }
dde5845a 506
880d29f1
JS		 507 break;
508
509 case HID_UP_LED:
510 switch (usage->hid & 0xffff) { /* HID-Value: */
511 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */
512 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */
513 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */
514 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */
515 case 0x05: map_led (LED_KANA); break; /* "Kana" */
516 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */
517 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */
518 case 0x09: map_led (LED_MUTE); break; /* "Mute" */
519 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */
520 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */
521 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */
522
523 default: goto ignore;
524 }
525 break;
526
527 case HID_UP_DIGITIZER:
528 switch (usage->hid & 0xff) {
8c8b01c3
FB		 529 case 0x00: /* Undefined */
530 goto ignore;
531
880d29f1
JS		 532 case 0x30: /* TipPressure */
533 if (!test_bit(BTN_TOUCH, input->keybit)) {
534 device->quirks |= HID_QUIRK_NOTOUCH;
535 set_bit(EV_KEY, input->evbit);
536 set_bit(BTN_TOUCH, input->keybit);
dde5845a 537 }
880d29f1 538 map_abs_clear(ABS_PRESSURE);
dde5845a
JK		 539 break;
540
880d29f1
JS		 541 case 0x32: /* InRange */
542 switch (field->physical & 0xff) {
543 case 0x21: map_key(BTN_TOOL_MOUSE); break;
544 case 0x22: map_key(BTN_TOOL_FINGER); break;
545 default: map_key(BTN_TOOL_PEN); break;
dde5845a
JK		 546 }
547 break;
548
880d29f1
JS		 549 case 0x3c: /* Invert */
550 map_key_clear(BTN_TOOL_RUBBER);
dde5845a
JK		 551 break;
552
880d29f1
JS		 553 case 0x33: /* Touch */
554 case 0x42: /* TipSwitch */
555 case 0x43: /* TipSwitch2 */
556 device->quirks &= ~HID_QUIRK_NOTOUCH;
557 map_key_clear(BTN_TOUCH);
558 break;
dde5845a 559
880d29f1
JS		 560 case 0x44: /* BarrelSwitch */
561 map_key_clear(BTN_STYLUS);
562 break;
dde5845a 563
50b63697
NK		 564 case 0x46: /* TabletPick */
565 map_key_clear(BTN_STYLUS2);
566 break;
567
b77c3920
BT		 568 case 0x51: /* ContactID */
569 device->quirks |= HID_QUIRK_MULTITOUCH;
570 goto unknown;
571
880d29f1
JS		 572 default: goto unknown;
573 }
574 break;
575
437f3b19 576 case HID_UP_CONSUMER: /* USB HUT v1.12, pages 75-84 */
880d29f1
JS		 577 switch (usage->hid & HID_USAGE) {
578 case 0x000: goto ignore;
437f3b19
JW		 579 case 0x030: map_key_clear(KEY_POWER); break;
580 case 0x031: map_key_clear(KEY_RESTART); break;
581 case 0x032: map_key_clear(KEY_SLEEP); break;
880d29f1 582 case 0x034: map_key_clear(KEY_SLEEP); break;
437f3b19 583 case 0x035: map_key_clear(KEY_KBDILLUMTOGGLE); break;
880d29f1
JS		 584 case 0x036: map_key_clear(BTN_MISC); break;
585
437f3b19
JW		 586 case 0x040: map_key_clear(KEY_MENU); break; /* Menu */
587 case 0x041: map_key_clear(KEY_SELECT); break; /* Menu Pick */
588 case 0x042: map_key_clear(KEY_UP); break; /* Menu Up */
589 case 0x043: map_key_clear(KEY_DOWN); break; /* Menu Down */
590 case 0x044: map_key_clear(KEY_LEFT); break; /* Menu Left */
591 case 0x045: map_key_clear(KEY_RIGHT); break; /* Menu Right */
592 case 0x046: map_key_clear(KEY_ESC); break; /* Menu Escape */
593 case 0x047: map_key_clear(KEY_KPPLUS); break; /* Menu Value Increase */
594 case 0x048: map_key_clear(KEY_KPMINUS); break; /* Menu Value Decrease */
595
596 case 0x060: map_key_clear(KEY_INFO); break; /* Data On Screen */
597 case 0x061: map_key_clear(KEY_SUBTITLE); break; /* Closed Caption */
598 case 0x063: map_key_clear(KEY_VCR); break; /* VCR/TV */
599 case 0x065: map_key_clear(KEY_CAMERA); break; /* Snapshot */
600 case 0x069: map_key_clear(KEY_RED); break;
601 case 0x06a: map_key_clear(KEY_GREEN); break;
602 case 0x06b: map_key_clear(KEY_BLUE); break;
603 case 0x06c: map_key_clear(KEY_YELLOW); break;
604 case 0x06d: map_key_clear(KEY_ZOOM); break;
605
606 case 0x082: map_key_clear(KEY_VIDEO_NEXT); break;
880d29f1 607 case 0x083: map_key_clear(KEY_LAST); break;
437f3b19 608 case 0x084: map_key_clear(KEY_ENTER); break;
880d29f1
JS		 609 case 0x088: map_key_clear(KEY_PC); break;
610 case 0x089: map_key_clear(KEY_TV); break;
611 case 0x08a: map_key_clear(KEY_WWW); break;
612 case 0x08b: map_key_clear(KEY_DVD); break;
613 case 0x08c: map_key_clear(KEY_PHONE); break;
614 case 0x08d: map_key_clear(KEY_PROGRAM); break;
615 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break;
616 case 0x08f: map_key_clear(KEY_GAMES); break;
617 case 0x090: map_key_clear(KEY_MEMO); break;
618 case 0x091: map_key_clear(KEY_CD); break;
619 case 0x092: map_key_clear(KEY_VCR); break;
620 case 0x093: map_key_clear(KEY_TUNER); break;
621 case 0x094: map_key_clear(KEY_EXIT); break;
622 case 0x095: map_key_clear(KEY_HELP); break;
623 case 0x096: map_key_clear(KEY_TAPE); break;
624 case 0x097: map_key_clear(KEY_TV2); break;
625 case 0x098: map_key_clear(KEY_SAT); break;
626 case 0x09a: map_key_clear(KEY_PVR); break;
627
628 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
629 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
630 case 0x0a0: map_key_clear(KEY_VCR2); break;
631
632 case 0x0b0: map_key_clear(KEY_PLAY); break;
633 case 0x0b1: map_key_clear(KEY_PAUSE); break;
634 case 0x0b2: map_key_clear(KEY_RECORD); break;
635 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
636 case 0x0b4: map_key_clear(KEY_REWIND); break;
637 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
638 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
639 case 0x0b7: map_key_clear(KEY_STOPCD); break;
640 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
641 case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break;
437f3b19
JW		 642 case 0x0b9: map_key_clear(KEY_SHUFFLE); break;
643 case 0x0bf: map_key_clear(KEY_SLOW); break;
880d29f1
JS		 644
645 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
646 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
647 case 0x0e2: map_key_clear(KEY_MUTE); break;
648 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
649 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
650 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
437f3b19 651 case 0x0f5: map_key_clear(KEY_SLOW); break;
880d29f1
JS		 652
653 case 0x182: map_key_clear(KEY_BOOKMARKS); break;
654 case 0x183: map_key_clear(KEY_CONFIG); break;
655 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
656 case 0x185: map_key_clear(KEY_EDITOR); break;
657 case 0x186: map_key_clear(KEY_SPREADSHEET); break;
658 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break;
659 case 0x188: map_key_clear(KEY_PRESENTATION); break;
660 case 0x189: map_key_clear(KEY_DATABASE); break;
661 case 0x18a: map_key_clear(KEY_MAIL); break;
662 case 0x18b: map_key_clear(KEY_NEWS); break;
663 case 0x18c: map_key_clear(KEY_VOICEMAIL); break;
664 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break;
665 case 0x18e: map_key_clear(KEY_CALENDAR); break;
666 case 0x191: map_key_clear(KEY_FINANCE); break;
667 case 0x192: map_key_clear(KEY_CALC); break;
437f3b19 668 case 0x193: map_key_clear(KEY_PLAYER); break;
880d29f1
JS		 669 case 0x194: map_key_clear(KEY_FILE); break;
670 case 0x196: map_key_clear(KEY_WWW); break;
0690535d 671 case 0x199: map_key_clear(KEY_CHAT); break;
880d29f1
JS		 672 case 0x19c: map_key_clear(KEY_LOGOFF); break;
673 case 0x19e: map_key_clear(KEY_COFFEE); break;
674 case 0x1a6: map_key_clear(KEY_HELP); break;
675 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
676 case 0x1ab: map_key_clear(KEY_SPELLCHECK); break;
437f3b19
JW		 677 case 0x1ae: map_key_clear(KEY_KEYBOARD); break;
678 case 0x1b6: map_key_clear(KEY_IMAGES); break;
679 case 0x1b7: map_key_clear(KEY_AUDIO); break;
680 case 0x1b8: map_key_clear(KEY_VIDEO); break;
880d29f1
JS		 681 case 0x1bc: map_key_clear(KEY_MESSENGER); break;
682 case 0x1bd: map_key_clear(KEY_INFO); break;
683 case 0x201: map_key_clear(KEY_NEW); break;
684 case 0x202: map_key_clear(KEY_OPEN); break;
685 case 0x203: map_key_clear(KEY_CLOSE); break;
686 case 0x204: map_key_clear(KEY_EXIT); break;
687 case 0x207: map_key_clear(KEY_SAVE); break;
688 case 0x208: map_key_clear(KEY_PRINT); break;
689 case 0x209: map_key_clear(KEY_PROPS); break;
690 case 0x21a: map_key_clear(KEY_UNDO); break;
691 case 0x21b: map_key_clear(KEY_COPY); break;
692 case 0x21c: map_key_clear(KEY_CUT); break;
693 case 0x21d: map_key_clear(KEY_PASTE); break;
694 case 0x21f: map_key_clear(KEY_FIND); break;
695 case 0x221: map_key_clear(KEY_SEARCH); break;
696 case 0x222: map_key_clear(KEY_GOTO); break;
697 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
698 case 0x224: map_key_clear(KEY_BACK); break;
699 case 0x225: map_key_clear(KEY_FORWARD); break;
700 case 0x226: map_key_clear(KEY_STOP); break;
701 case 0x227: map_key_clear(KEY_REFRESH); break;
702 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
703 case 0x22d: map_key_clear(KEY_ZOOMIN); break;
704 case 0x22e: map_key_clear(KEY_ZOOMOUT); break;
705 case 0x22f: map_key_clear(KEY_ZOOMRESET); break;
706 case 0x233: map_key_clear(KEY_SCROLLUP); break;
707 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
708 case 0x238: map_rel(REL_HWHEEL); break;
437f3b19 709 case 0x23d: map_key_clear(KEY_EDIT); break;
880d29f1 710 case 0x25f: map_key_clear(KEY_CANCEL); break;
437f3b19
JW		 711 case 0x269: map_key_clear(KEY_INSERT); break;
712 case 0x26a: map_key_clear(KEY_DELETE); break;
880d29f1
JS		 713 case 0x279: map_key_clear(KEY_REDO); break;
714
715 case 0x289: map_key_clear(KEY_REPLY); break;
716 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
717 case 0x28c: map_key_clear(KEY_SEND); break;
718
719 default: goto ignore;
720 }
721 break;
722
4f5ca836
JF		 723 case HID_UP_GENDEVCTRLS:
724 if ((usage->hid & HID_USAGE) == 0x20) { /* Battery Strength */
725 hidinput_setup_battery(device,
726 field->logical_minimum,
727 field->logical_maximum);
728 goto ignore;
729 } else
730 goto unknown;
731 break;
732
880d29f1
JS		 733 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
734 set_bit(EV_REP, input->evbit);
735 switch (usage->hid & HID_USAGE) {
736 case 0x021: map_key_clear(KEY_PRINT); break;
737 case 0x070: map_key_clear(KEY_HP); break;
738 case 0x071: map_key_clear(KEY_CAMERA); break;
739 case 0x072: map_key_clear(KEY_SOUND); break;
740 case 0x073: map_key_clear(KEY_QUESTION); break;
741 case 0x080: map_key_clear(KEY_EMAIL); break;
742 case 0x081: map_key_clear(KEY_CHAT); break;
743 case 0x082: map_key_clear(KEY_SEARCH); break;
744 case 0x083: map_key_clear(KEY_CONNECT); break;
745 case 0x084: map_key_clear(KEY_FINANCE); break;
746 case 0x085: map_key_clear(KEY_SPORT); break;
747 case 0x086: map_key_clear(KEY_SHOP); break;
748 default: goto ignore;
749 }
750 break;
dde5845a 751
880d29f1
JS		 752 case HID_UP_MSVENDOR:
753 goto ignore;
dde5845a 754
880d29f1
JS		 755 case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */
756 set_bit(EV_REP, input->evbit);
757 goto ignore;
dde5845a 758
880d29f1
JS		 759 case HID_UP_LOGIVENDOR:
760 goto ignore;
fc99f22c 761
880d29f1
JS		 762 case HID_UP_PID:
763 switch (usage->hid & HID_USAGE) {
764 case 0xa4: map_key_clear(BTN_DEAD); break;
765 default: goto ignore;
766 }
767 break;
dde5845a 768
880d29f1
JS		 769 default:
770 unknown:
771 if (field->report_size == 1) {
772 if (field->report->type == HID_OUTPUT_REPORT) {
773 map_led(LED_MISC);
dde5845a
JK		 774 break;
775 }
880d29f1 776 map_key(BTN_MISC);
dde5845a 777 break;
880d29f1
JS		 778 }
779 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
780 map_rel(REL_MISC);
781 break;
782 }
783 map_abs(ABS_MISC);
784 break;
dde5845a
JK		 785 }
786
10bd065f 787mapped:
c500c971
JS		 788 if (device->driver->input_mapped && device->driver->input_mapped(device,
789 hidinput, field, usage, &bit, &max) < 0)
790 goto ignore;
791
dde5845a
JK		 792 set_bit(usage->type, input->evbit);
793
794 while (usage->code <= max && test_and_set_bit(usage->code, bit))
795 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
796
797 if (usage->code > max)
798 goto ignore;
799
800
801 if (usage->type == EV_ABS) {
802
803 int a = field->logical_minimum;
804 int b = field->logical_maximum;
805
806 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
807 a = field->logical_minimum = 0;
808 b = field->logical_maximum = 255;
809 }
810
811 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
812 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
813 else input_set_abs_params(input, usage->code, a, b, 0, 0);
814
4ea6e4ff
NK		 815 input_abs_set_res(input, usage->code,
816 hidinput_calc_abs_res(field, usage->code));
817
6967b4d9
HR		 818 /* use a larger default input buffer for MT devices */
819 if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0)
820 input_set_events_per_packet(input, 60);
dde5845a
JK		 821 }
822
823 if (usage->type == EV_ABS &&
824 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
825 int i;
826 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
827 input_set_abs_params(input, i, -1, 1, 0, 0);
828 set_bit(i, input->absbit);
829 }
830 if (usage->hat_dir && !field->dpad)
831 field->dpad = usage->code;
832 }
833
2c1d8aea
JK		 834 /* for those devices which produce Consumer volume usage as relative,
835 * we emulate pressing volumeup/volumedown appropriate number of times
836 * in hidinput_hid_event()
837 */
838 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
839 (usage->code == ABS_VOLUME)) {
840 set_bit(KEY_VOLUMEUP, input->keybit);
841 set_bit(KEY_VOLUMEDOWN, input->keybit);
842 }
843
c01d50d1
JK		 844 if (usage->type == EV_KEY) {
845 set_bit(EV_MSC, input->evbit);
846 set_bit(MSC_SCAN, input->mscbit);
847 }
848
dde5845a 849ignore:
dde5845a 850 return;
a635f9dd 851
dde5845a
JK		 852}
853
854void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
855{
856 struct input_dev *input;
b4482a4b 857 unsigned *quirks = &hid->quirks;
dde5845a
JK		 858
859 if (!field->hidinput)
860 return;
861
862 input = field->hidinput->input;
863
4f5ca836
JF		 864 if (usage->hid == HID_DC_BATTERYSTRENGTH) {
865 hid->battery_val = value;
866 hid_dbg(hid, "battery value is %d (range %d-%d)\n",
867 value, hid->battery_min, hid->battery_max);
868 return;
869 }
870
dde5845a
JK		 871 if (!usage->type)
872 return;
873
dde5845a
JK		 874 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
875 int hat_dir = usage->hat_dir;
876 if (!hat_dir)
877 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
878 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
879 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
fc99f22c
DM		 880 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
881 return;
882 }
dde5845a
JK		 883
884 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
885 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
886 return;
887 }
888
889 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
890 if (value) {
891 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
892 return;
893 }
894 input_event(input, usage->type, usage->code, 0);
895 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
896 return;
897 }
898
899 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
900 int a = field->logical_minimum;
901 int b = field->logical_maximum;
902 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
903 }
904
905 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
58037eb9 906 dbg_hid("Maximum Effects - %d\n",value);
dde5845a
JK		 907 return;
908 }
909
910 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
58037eb9 911 dbg_hid("PID Pool Report\n");
dde5845a
JK		 912 return;
913 }
914
915 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
916 return;
917
2c1d8aea
JK		 918 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
919 (usage->code == ABS_VOLUME)) {
920 int count = abs(value);
921 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
922 int i;
923
924 for (i = 0; i < count; i++) {
925 input_event(input, EV_KEY, direction, 1);
926 input_sync(input);
927 input_event(input, EV_KEY, direction, 0);
928 input_sync(input);
929 }
930 return;
931 }
932
b4b583d4
JK		 933 /* Ignore out-of-range values as per HID specification, section 5.10 */
934 if (value < field->logical_minimum || value > field->logical_maximum) {
6da70669
JK		 935 dbg_hid("Ignoring out-of-range value %x\n", value);
936 return;
937 }
938
c01d50d1
JK		 939 /* report the usage code as scancode if the key status has changed */
940 if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
941 input_event(input, EV_MSC, MSC_SCAN, usage->hid);
1fe8736d 942
dde5845a
JK		 943 input_event(input, usage->type, usage->code, value);
944
945 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
946 input_event(input, usage->type, usage->code, 0);
947}
948
949void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
950{
951 struct hid_input *hidinput;
952
24750f3e
HR		 953 if (hid->quirks & HID_QUIRK_NO_INPUT_SYNC)
954 return;
955
dde5845a
JK		 956 list_for_each_entry(hidinput, &hid->inputs, list)
957 input_sync(hidinput->input);
958}
229695e5 959EXPORT_SYMBOL_GPL(hidinput_report_event);
dde5845a 960
229695e5 961int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
dde5845a
JK		 962{
963 struct hid_report *report;
964 int i, j;
965
966 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
967 for (i = 0; i < report->maxfield; i++) {
968 *field = report->field[i];
969 for (j = 0; j < (*field)->maxusage; j++)
970 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
971 return j;
972 }
973 }
974 return -1;
975}
229695e5 976EXPORT_SYMBOL_GPL(hidinput_find_field);
dde5845a 977
7c379146
JK		 978static int hidinput_open(struct input_dev *dev)
979{
e0712985
DT		 980 struct hid_device *hid = input_get_drvdata(dev);
981
5bea7660 982 return hid_hw_open(hid);
7c379146
JK		 983}
984
985static void hidinput_close(struct input_dev *dev)
986{
e0712985
DT		 987 struct hid_device *hid = input_get_drvdata(dev);
988
5bea7660 989 hid_hw_close(hid);
7c379146
JK		 990}
991
f635bd11
HR		 992static void report_features(struct hid_device *hid)
993{
994 struct hid_driver *drv = hid->driver;
995 struct hid_report_enum *rep_enum;
996 struct hid_report *rep;
997 int i, j;
998
999 if (!drv->feature_mapping)
1000 return;
1001
1002 rep_enum = &hid->report_enum[HID_FEATURE_REPORT];
1003 list_for_each_entry(rep, &rep_enum->report_list, list)
1004 for (i = 0; i < rep->maxfield; i++)
1005 for (j = 0; j < rep->field[i]->maxusage; j++)
1006 drv->feature_mapping(hid, rep->field[i],
1007 rep->field[i]->usage + j);
1008}
1009
dde5845a
JK		 1010/*
1011 * Register the input device; print a message.
1012 * Configure the input layer interface
1013 * Read all reports and initialize the absolute field values.
1014 */
1015
93c10132 1016int hidinput_connect(struct hid_device *hid, unsigned int force)
dde5845a 1017{
dde5845a
JK		 1018 struct hid_report *report;
1019 struct hid_input *hidinput = NULL;
1020 struct input_dev *input_dev;
1021 int i, j, k;
1022
1023 INIT_LIST_HEAD(&hid->inputs);
1024
93c10132
JS		 1025 if (!force) {
1026 for (i = 0; i < hid->maxcollection; i++) {
1027 struct hid_collection *col = &hid->collection[i];
1028 if (col->type == HID_COLLECTION_APPLICATION ||
1029 col->type == HID_COLLECTION_PHYSICAL)
1030 if (IS_INPUT_APPLICATION(col->usage))
1031 break;
1032 }
dde5845a 1033
93c10132
JS		 1034 if (i == hid->maxcollection)
1035 return -1;
1036 }
dde5845a 1037
f635bd11
HR		 1038 report_features(hid);
1039
1040 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
0d2689c0
BT		 1041 if (k == HID_OUTPUT_REPORT &&
1042 hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
1043 continue;
5556feae 1044
dde5845a
JK		 1045 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
1046
1047 if (!report->maxfield)
1048 continue;
1049
1050 if (!hidinput) {
1051 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
1052 input_dev = input_allocate_device();
1053 if (!hidinput || !input_dev) {
1054 kfree(hidinput);
1055 input_free_device(input_dev);
4291ee30 1056 hid_err(hid, "Out of memory during hid input probe\n");
368d290b 1057 goto out_unwind;
dde5845a
JK		 1058 }
1059
e0712985 1060 input_set_drvdata(input_dev, hid);
c500c971
JS		 1061 input_dev->event =
1062 hid->ll_driver->hidinput_input_event;
7c379146
JK		 1063 input_dev->open = hidinput_open;
1064 input_dev->close = hidinput_close;
aebd636b
DT		 1065 input_dev->setkeycode = hidinput_setkeycode;
1066 input_dev->getkeycode = hidinput_getkeycode;
dde5845a
JK		 1067
1068 input_dev->name = hid->name;
1069 input_dev->phys = hid->phys;
1070 input_dev->uniq = hid->uniq;
229695e5
JK		 1071 input_dev->id.bustype = hid->bus;
1072 input_dev->id.vendor = hid->vendor;
1073 input_dev->id.product = hid->product;
1074 input_dev->id.version = hid->version;
85cdaf52 1075 input_dev->dev.parent = hid->dev.parent;
dde5845a
JK		 1076 hidinput->input = input_dev;
1077 list_add_tail(&hidinput->list, &hid->inputs);
1078 }
1079
1080 for (i = 0; i < report->maxfield; i++)
1081 for (j = 0; j < report->field[i]->maxusage; j++)
1082 hidinput_configure_usage(hidinput, report->field[i],
1083 report->field[i]->usage + j);
1084
1085 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1086 /* This will leave hidinput NULL, so that it
1087 * allocates another one if we have more inputs on
1088 * the same interface. Some devices (e.g. Happ's
1089 * UGCI) cram a lot of unrelated inputs into the
1090 * same interface. */
1091 hidinput->report = report;
368d290b
DH		 1092 if (input_register_device(hidinput->input))
1093 goto out_cleanup;
dde5845a
JK		 1094 hidinput = NULL;
1095 }
1096 }
0d2689c0 1097 }
dde5845a 1098
b77c3920
BT		 1099 if (hid->quirks & HID_QUIRK_MULTITOUCH) {
1100 /* generic hid does not know how to handle multitouch devices */
1101 if (hidinput)
1102 goto out_cleanup;
1103 goto out_unwind;
1104 }
1105
368d290b
DH		 1106 if (hidinput && input_register_device(hidinput->input))
1107 goto out_cleanup;
dde5845a
JK		 1108
1109 return 0;
368d290b
DH		 1110
1111out_cleanup:
d9236303 1112 list_del(&hidinput->list);
368d290b
DH		 1113 input_free_device(hidinput->input);
1114 kfree(hidinput);
1115out_unwind:
1116 /* unwind the ones we already registered */
1117 hidinput_disconnect(hid);
1118
1119 return -1;
dde5845a 1120}
229695e5 1121EXPORT_SYMBOL_GPL(hidinput_connect);
dde5845a
JK		 1122
1123void hidinput_disconnect(struct hid_device *hid)
1124{
1125 struct hid_input *hidinput, *next;
1126
4f5ca836
JF		 1127 hidinput_cleanup_battery(hid);
1128
dde5845a
JK		 1129 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1130 list_del(&hidinput->list);
1131 input_unregister_device(hidinput->input);
1132 kfree(hidinput);
1133 }
1134}
229695e5
JK		 1135EXPORT_SYMBOL_GPL(hidinput_disconnect);
1136
Linux kernel - Deliverables
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