1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28#include <linux/module.h>
29#include <linux/slab.h>
30#include <linux/kernel.h>
31
32#include <linux/hid.h>
33#include <linux/hid-debug.h>
34
35#include "hid-ids.h"
36
37#define unk KEY_UNKNOWN
38
39static const unsigned char hid_keyboard[256] = {
40 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
41 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3,
42 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
43 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
44 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
45 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
46 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
47 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
48 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
49 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk,
50 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
51 unk,unk,unk,unk,unk,unk,179,180,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,111,unk,unk,unk,unk,unk,unk,unk,
54 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
55 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
56};
57
58static const struct {
59 __s32 x;
60 __s32 y;
61} hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
62
63#define map_abs(c) hid_map_usage(hidinput, usage, &bit, &max, EV_ABS, (c))
64#define map_rel(c) hid_map_usage(hidinput, usage, &bit, &max, EV_REL, (c))
65#define map_key(c) hid_map_usage(hidinput, usage, &bit, &max, EV_KEY, (c))
66#define map_led(c) hid_map_usage(hidinput, usage, &bit, &max, EV_LED, (c))
67
68#define map_abs_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \
69 &max, EV_ABS, (c))
70#define map_key_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \
71 &max, EV_KEY, (c))
72
73static bool match_scancode(struct hid_usage *usage,
74 unsigned int cur_idx, unsigned int scancode)
75{
76 return (usage->hid & (HID_USAGE_PAGE | HID_USAGE)) == scancode;
77}
78
79static bool match_keycode(struct hid_usage *usage,
80 unsigned int cur_idx, unsigned int keycode)
81{
82
83
84
85 return (usage->type == EV_KEY && usage->code == keycode);
86}
87
88static bool match_index(struct hid_usage *usage,
89 unsigned int cur_idx, unsigned int idx)
90{
91 return cur_idx == idx;
92}
93
94typedef bool (*hid_usage_cmp_t)(struct hid_usage *usage,
95 unsigned int cur_idx, unsigned int val);
96
97static struct hid_usage *hidinput_find_key(struct hid_device *hid,
98 hid_usage_cmp_t match,
99 unsigned int value,
100 unsigned int *usage_idx)
101{
102 unsigned int i, j, k, cur_idx = 0;
103 struct hid_report *report;
104 struct hid_usage *usage;
105
106 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
107 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
108 for (i = 0; i < report->maxfield; i++) {
109 for (j = 0; j < report->field[i]->maxusage; j++) {
110 usage = report->field[i]->usage + j;
111 if (usage->type == EV_KEY || usage->type == 0) {
112 if (match(usage, cur_idx, value)) {
113 if (usage_idx)
114 *usage_idx = cur_idx;
115 return usage;
116 }
117 cur_idx++;
118 }
119 }
120 }
121 }
122 }
123 return NULL;
124}
125
126static struct hid_usage *hidinput_locate_usage(struct hid_device *hid,
127 const struct input_keymap_entry *ke,
128 unsigned int *index)
129{
130 struct hid_usage *usage;
131 unsigned int scancode;
132
133 if (ke->flags & INPUT_KEYMAP_BY_INDEX)
134 usage = hidinput_find_key(hid, match_index, ke->index, index);
135 else if (input_scancode_to_scalar(ke, &scancode) == 0)
136 usage = hidinput_find_key(hid, match_scancode, scancode, index);
137 else
138 usage = NULL;
139
140 return usage;
141}
142
143static int hidinput_getkeycode(struct input_dev *dev,
144 struct input_keymap_entry *ke)
145{
146 struct hid_device *hid = input_get_drvdata(dev);
147 struct hid_usage *usage;
148 unsigned int scancode, index;
149
150 usage = hidinput_locate_usage(hid, ke, &index);
151 if (usage) {
152 ke->keycode = usage->type == EV_KEY ?
153 usage->code : KEY_RESERVED;
154 ke->index = index;
155 scancode = usage->hid & (HID_USAGE_PAGE | HID_USAGE);
156 ke->len = sizeof(scancode);
157 memcpy(ke->scancode, &scancode, sizeof(scancode));
158 return 0;
159 }
160
161 return -EINVAL;
162}
163
164static int hidinput_setkeycode(struct input_dev *dev,
165 const struct input_keymap_entry *ke,
166 unsigned int *old_keycode)
167{
168 struct hid_device *hid = input_get_drvdata(dev);
169 struct hid_usage *usage;
170
171 usage = hidinput_locate_usage(hid, ke, NULL);
172 if (usage) {
173 *old_keycode = usage->type == EV_KEY ?
174 usage->code : KEY_RESERVED;
175 usage->code = ke->keycode;
176
177 clear_bit(*old_keycode, dev->keybit);
178 set_bit(usage->code, dev->keybit);
179 dbg_hid("Assigned keycode %d to HID usage code %x\n",
180 usage->code, usage->hid);
181
182
183
184
185
186 if (hidinput_find_key(hid, match_keycode, *old_keycode, NULL))
187 set_bit(*old_keycode, dev->keybit);
188
189 return 0;
190 }
191
192 return -EINVAL;
193}
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211__s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
212{
213 __s32 unit_exponent = field->unit_exponent;
214 __s32 logical_extents = field->logical_maximum -
215 field->logical_minimum;
216 __s32 physical_extents = field->physical_maximum -
217 field->physical_minimum;
218 __s32 prev;
219
220
221 if (logical_extents <= 0 || physical_extents <= 0)
222 return 0;
223
224
225
226
227
228 switch (code) {
229 case ABS_X:
230 case ABS_Y:
231 case ABS_Z:
232 case ABS_MT_POSITION_X:
233 case ABS_MT_POSITION_Y:
234 case ABS_MT_TOOL_X:
235 case ABS_MT_TOOL_Y:
236 case ABS_MT_TOUCH_MAJOR:
237 case ABS_MT_TOUCH_MINOR:
238 if (field->unit == 0x11) {
239
240 unit_exponent += 1;
241 } else if (field->unit == 0x13) {
242
243 prev = physical_extents;
244 physical_extents *= 254;
245 if (physical_extents < prev)
246 return 0;
247 unit_exponent -= 1;
248 } else {
249 return 0;
250 }
251 break;
252
253 case ABS_RX:
254 case ABS_RY:
255 case ABS_RZ:
256 case ABS_TILT_X:
257 case ABS_TILT_Y:
258 if (field->unit == 0x14) {
259
260 prev = logical_extents;
261 logical_extents *= 573;
262 if (logical_extents < prev)
263 return 0;
264 unit_exponent += 1;
265 } else if (field->unit != 0x12) {
266 return 0;
267 }
268 break;
269
270 default:
271 return 0;
272 }
273
274
275 for (; unit_exponent < 0; unit_exponent++) {
276 prev = logical_extents;
277 logical_extents *= 10;
278 if (logical_extents < prev)
279 return 0;
280 }
281
282 for (; unit_exponent > 0; unit_exponent--) {
283 prev = physical_extents;
284 physical_extents *= 10;
285 if (physical_extents < prev)
286 return 0;
287 }
288
289
290 return DIV_ROUND_CLOSEST(logical_extents, physical_extents);
291}
292EXPORT_SYMBOL_GPL(hidinput_calc_abs_res);
293
294#ifdef CONFIG_HID_BATTERY_STRENGTH
295static enum power_supply_property hidinput_battery_props[] = {
296 POWER_SUPPLY_PROP_PRESENT,
297 POWER_SUPPLY_PROP_ONLINE,
298 POWER_SUPPLY_PROP_CAPACITY,
299 POWER_SUPPLY_PROP_MODEL_NAME,
300 POWER_SUPPLY_PROP_STATUS,
301 POWER_SUPPLY_PROP_SCOPE,
302};
303
304#define HID_BATTERY_QUIRK_PERCENT (1 << 0)
305#define HID_BATTERY_QUIRK_FEATURE (1 << 1)
306
307static const struct hid_device_id hid_battery_quirks[] = {
308 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
309 USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO),
310 HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
311 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
312 USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI),
313 HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
314 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
315 USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI),
316 HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
317 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
318 USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO),
319 HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
320 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
321 USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI),
322 HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
323 {}
324};
325
326static unsigned find_battery_quirk(struct hid_device *hdev)
327{
328 unsigned quirks = 0;
329 const struct hid_device_id *match;
330
331 match = hid_match_id(hdev, hid_battery_quirks);
332 if (match != NULL)
333 quirks = match->driver_data;
334
335 return quirks;
336}
337
338static int hidinput_get_battery_property(struct power_supply *psy,
339 enum power_supply_property prop,
340 union power_supply_propval *val)
341{
342 struct hid_device *dev = power_supply_get_drvdata(psy);
343 int ret = 0;
344 __u8 *buf;
345
346 switch (prop) {
347 case POWER_SUPPLY_PROP_PRESENT:
348 case POWER_SUPPLY_PROP_ONLINE:
349 val->intval = 1;
350 break;
351
352 case POWER_SUPPLY_PROP_CAPACITY:
353
354 buf = kmalloc(2 * sizeof(__u8), GFP_KERNEL);
355 if (!buf) {
356 ret = -ENOMEM;
357 break;
358 }
359 ret = hid_hw_raw_request(dev, dev->battery_report_id, buf, 2,
360 dev->battery_report_type,
361 HID_REQ_GET_REPORT);
362
363 if (ret != 2) {
364 ret = -ENODATA;
365 kfree(buf);
366 break;
367 }
368 ret = 0;
369
370 if (dev->battery_min < dev->battery_max &&
371 buf[1] >= dev->battery_min &&
372 buf[1] <= dev->battery_max)
373 val->intval = (100 * (buf[1] - dev->battery_min)) /
374 (dev->battery_max - dev->battery_min);
375 kfree(buf);
376 break;
377
378 case POWER_SUPPLY_PROP_MODEL_NAME:
379 val->strval = dev->name;
380 break;
381
382 case POWER_SUPPLY_PROP_STATUS:
383 val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
384 break;
385
386 case POWER_SUPPLY_PROP_SCOPE:
387 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
388 break;
389
390 default:
391 ret = -EINVAL;
392 break;
393 }
394
395 return ret;
396}
397
398static bool hidinput_setup_battery(struct hid_device *dev, unsigned report_type, struct hid_field *field)
399{
400 struct power_supply_desc *psy_desc = NULL;
401 struct power_supply_config psy_cfg = { .drv_data = dev, };
402 unsigned quirks;
403 s32 min, max;
404
405 if (field->usage->hid != HID_DC_BATTERYSTRENGTH)
406 return false;
407
408 if (dev->battery != NULL)
409 goto out;
410
411 psy_desc = kzalloc(sizeof(*psy_desc), GFP_KERNEL);
412 if (psy_desc == NULL)
413 goto out;
414
415 psy_desc->name = kasprintf(GFP_KERNEL, "hid-%s-battery", dev->uniq);
416 if (psy_desc->name == NULL) {
417 kfree(psy_desc);
418 goto out;
419 }
420
421 psy_desc->type = POWER_SUPPLY_TYPE_BATTERY;
422 psy_desc->properties = hidinput_battery_props;
423 psy_desc->num_properties = ARRAY_SIZE(hidinput_battery_props);
424 psy_desc->use_for_apm = 0;
425 psy_desc->get_property = hidinput_get_battery_property;
426
427 quirks = find_battery_quirk(dev);
428
429 hid_dbg(dev, "device %x:%x:%x %d quirks %d\n",
430 dev->bus, dev->vendor, dev->product, dev->version, quirks);
431
432 min = field->logical_minimum;
433 max = field->logical_maximum;
434
435 if (quirks & HID_BATTERY_QUIRK_PERCENT) {
436 min = 0;
437 max = 100;
438 }
439
440 if (quirks & HID_BATTERY_QUIRK_FEATURE)
441 report_type = HID_FEATURE_REPORT;
442
443 dev->battery_min = min;
444 dev->battery_max = max;
445 dev->battery_report_type = report_type;
446 dev->battery_report_id = field->report->id;
447
448 dev->battery = power_supply_register(&dev->dev, psy_desc, &psy_cfg);
449 if (IS_ERR(dev->battery)) {
450 hid_warn(dev, "can't register power supply: %ld\n",
451 PTR_ERR(dev->battery));
452 kfree(psy_desc->name);
453 kfree(psy_desc);
454 dev->battery = NULL;
455 } else {
456 power_supply_powers(dev->battery, &dev->dev);
457 }
458
459out:
460 return true;
461}
462
463static void hidinput_cleanup_battery(struct hid_device *dev)
464{
465 if (!dev->battery)
466 return;
467
468 power_supply_unregister(dev->battery);
469 kfree(dev->battery->desc->name);
470 kfree(dev->battery->desc);
471 dev->battery = NULL;
472}
473#else
474static bool hidinput_setup_battery(struct hid_device *dev, unsigned report_type,
475 struct hid_field *field)
476{
477 return false;
478}
479
480static void hidinput_cleanup_battery(struct hid_device *dev)
481{
482}
483#endif
484
485static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
486 struct hid_usage *usage)
487{
488 struct input_dev *input = hidinput->input;
489 struct hid_device *device = input_get_drvdata(input);
490 int max = 0, code;
491 unsigned long *bit = NULL;
492
493 field->hidinput = hidinput;
494
495 if (field->flags & HID_MAIN_ITEM_CONSTANT)
496 goto ignore;
497
498
499 if (field->report_count < 1)
500 goto ignore;
501
502
503 if (field->report_type == HID_OUTPUT_REPORT &&
504 (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
505 goto ignore;
506 }
507
508 if (device->driver->input_mapping) {
509 int ret = device->driver->input_mapping(device, hidinput, field,
510 usage, &bit, &max);
511 if (ret > 0)
512 goto mapped;
513 if (ret < 0)
514 goto ignore;
515 }
516
517 switch (usage->hid & HID_USAGE_PAGE) {
518 case HID_UP_UNDEFINED:
519 goto ignore;
520
521 case HID_UP_KEYBOARD:
522 set_bit(EV_REP, input->evbit);
523
524 if ((usage->hid & HID_USAGE) < 256) {
525 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
526 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
527 } else
528 map_key(KEY_UNKNOWN);
529
530 break;
531
532 case HID_UP_BUTTON:
533 code = ((usage->hid - 1) & HID_USAGE);
534
535 switch (field->application) {
536 case HID_GD_MOUSE:
537 case HID_GD_POINTER: code += BTN_MOUSE; break;
538 case HID_GD_JOYSTICK:
539 if (code <= 0xf)
540 code += BTN_JOYSTICK;
541 else
542 code += BTN_TRIGGER_HAPPY - 0x10;
543 break;
544 case HID_GD_GAMEPAD:
545 if (code <= 0xf)
546 code += BTN_GAMEPAD;
547 else
548 code += BTN_TRIGGER_HAPPY - 0x10;
549 break;
550 default:
551 switch (field->physical) {
552 case HID_GD_MOUSE:
553 case HID_GD_POINTER: code += BTN_MOUSE; break;
554 case HID_GD_JOYSTICK: code += BTN_JOYSTICK; break;
555 case HID_GD_GAMEPAD: code += BTN_GAMEPAD; break;
556 default: code += BTN_MISC;
557 }
558 }
559
560 map_key(code);
561 break;
562
563 case HID_UP_SIMULATION:
564 switch (usage->hid & 0xffff) {
565 case 0xba: map_abs(ABS_RUDDER); break;
566 case 0xbb: map_abs(ABS_THROTTLE); break;
567 case 0xc4: map_abs(ABS_GAS); break;
568 case 0xc5: map_abs(ABS_BRAKE); break;
569 case 0xc8: map_abs(ABS_WHEEL); break;
570 default: goto ignore;
571 }
572 break;
573
574 case HID_UP_GENDESK:
575 if ((usage->hid & 0xf0) == 0x80) {
576 switch (usage->hid & 0xf) {
577 case 0x1: map_key_clear(KEY_POWER); break;
578 case 0x2: map_key_clear(KEY_SLEEP); break;
579 case 0x3: map_key_clear(KEY_WAKEUP); break;
580 case 0x4: map_key_clear(KEY_CONTEXT_MENU); break;
581 case 0x5: map_key_clear(KEY_MENU); break;
582 case 0x6: map_key_clear(KEY_PROG1); break;
583 case 0x7: map_key_clear(KEY_HELP); break;
584 case 0x8: map_key_clear(KEY_EXIT); break;
585 case 0x9: map_key_clear(KEY_SELECT); break;
586 case 0xa: map_key_clear(KEY_RIGHT); break;
587 case 0xb: map_key_clear(KEY_LEFT); break;
588 case 0xc: map_key_clear(KEY_UP); break;
589 case 0xd: map_key_clear(KEY_DOWN); break;
590 case 0xe: map_key_clear(KEY_POWER2); break;
591 case 0xf: map_key_clear(KEY_RESTART); break;
592 default: goto unknown;
593 }
594 break;
595 }
596
597 if ((usage->hid & 0xf0) == 0x90) {
598 switch (usage->hid) {
599 case HID_GD_UP: usage->hat_dir = 1; break;
600 case HID_GD_DOWN: usage->hat_dir = 5; break;
601 case HID_GD_RIGHT: usage->hat_dir = 3; break;
602 case HID_GD_LEFT: usage->hat_dir = 7; break;
603 default: goto unknown;
604 }
605 if (field->dpad) {
606 map_abs(field->dpad);
607 goto ignore;
608 }
609 map_abs(ABS_HAT0X);
610 break;
611 }
612
613 switch (usage->hid) {
614
615 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
616 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
617 if (field->flags & HID_MAIN_ITEM_RELATIVE)
618 map_rel(usage->hid & 0xf);
619 else
620 map_abs_clear(usage->hid & 0xf);
621 break;
622
623 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
624 if (field->flags & HID_MAIN_ITEM_RELATIVE)
625 map_rel(usage->hid & 0xf);
626 else
627 map_abs(usage->hid & 0xf);
628 break;
629
630 case HID_GD_HATSWITCH:
631 usage->hat_min = field->logical_minimum;
632 usage->hat_max = field->logical_maximum;
633 map_abs(ABS_HAT0X);
634 break;
635
636 case HID_GD_START: map_key_clear(BTN_START); break;
637 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
638
639 default: goto unknown;
640 }
641
642 break;
643
644 case HID_UP_LED:
645 switch (usage->hid & 0xffff) {
646 case 0x01: map_led (LED_NUML); break;
647 case 0x02: map_led (LED_CAPSL); break;
648 case 0x03: map_led (LED_SCROLLL); break;
649 case 0x04: map_led (LED_COMPOSE); break;
650 case 0x05: map_led (LED_KANA); break;
651 case 0x27: map_led (LED_SLEEP); break;
652 case 0x4c: map_led (LED_SUSPEND); break;
653 case 0x09: map_led (LED_MUTE); break;
654 case 0x4b: map_led (LED_MISC); break;
655 case 0x19: map_led (LED_MAIL); break;
656 case 0x4d: map_led (LED_CHARGING); break;
657
658 default: goto ignore;
659 }
660 break;
661
662 case HID_UP_DIGITIZER:
663 switch (usage->hid & 0xff) {
664 case 0x00:
665 goto ignore;
666
667 case 0x30:
668 if (!test_bit(BTN_TOUCH, input->keybit)) {
669 device->quirks |= HID_QUIRK_NOTOUCH;
670 set_bit(EV_KEY, input->evbit);
671 set_bit(BTN_TOUCH, input->keybit);
672 }
673 map_abs_clear(ABS_PRESSURE);
674 break;
675
676 case 0x32:
677 switch (field->physical & 0xff) {
678 case 0x21: map_key(BTN_TOOL_MOUSE); break;
679 case 0x22: map_key(BTN_TOOL_FINGER); break;
680 default: map_key(BTN_TOOL_PEN); break;
681 }
682 break;
683
684 case 0x3c:
685 map_key_clear(BTN_TOOL_RUBBER);
686 break;
687
688 case 0x3d:
689 map_abs_clear(ABS_TILT_X);
690 break;
691
692 case 0x3e:
693 map_abs_clear(ABS_TILT_Y);
694 break;
695
696 case 0x33:
697 case 0x42:
698 case 0x43:
699 device->quirks &= ~HID_QUIRK_NOTOUCH;
700 map_key_clear(BTN_TOUCH);
701 break;
702
703 case 0x44:
704 map_key_clear(BTN_STYLUS);
705 break;
706
707 case 0x46:
708 case 0x5a:
709 map_key_clear(BTN_STYLUS2);
710 break;
711
712 case 0x5b:
713 usage->type = EV_MSC;
714 usage->code = MSC_SERIAL;
715 bit = input->mscbit;
716 max = MSC_MAX;
717 break;
718
719 default: goto unknown;
720 }
721 break;
722
723 case HID_UP_TELEPHONY:
724 switch (usage->hid & HID_USAGE) {
725 case 0x2f: map_key_clear(KEY_MICMUTE); break;
726 case 0xb0: map_key_clear(KEY_NUMERIC_0); break;
727 case 0xb1: map_key_clear(KEY_NUMERIC_1); break;
728 case 0xb2: map_key_clear(KEY_NUMERIC_2); break;
729 case 0xb3: map_key_clear(KEY_NUMERIC_3); break;
730 case 0xb4: map_key_clear(KEY_NUMERIC_4); break;
731 case 0xb5: map_key_clear(KEY_NUMERIC_5); break;
732 case 0xb6: map_key_clear(KEY_NUMERIC_6); break;
733 case 0xb7: map_key_clear(KEY_NUMERIC_7); break;
734 case 0xb8: map_key_clear(KEY_NUMERIC_8); break;
735 case 0xb9: map_key_clear(KEY_NUMERIC_9); break;
736 case 0xba: map_key_clear(KEY_NUMERIC_STAR); break;
737 case 0xbb: map_key_clear(KEY_NUMERIC_POUND); break;
738 case 0xbc: map_key_clear(KEY_NUMERIC_A); break;
739 case 0xbd: map_key_clear(KEY_NUMERIC_B); break;
740 case 0xbe: map_key_clear(KEY_NUMERIC_C); break;
741 case 0xbf: map_key_clear(KEY_NUMERIC_D); break;
742 default: goto ignore;
743 }
744 break;
745
746 case HID_UP_CONSUMER:
747 switch (usage->hid & HID_USAGE) {
748 case 0x000: goto ignore;
749 case 0x030: map_key_clear(KEY_POWER); break;
750 case 0x031: map_key_clear(KEY_RESTART); break;
751 case 0x032: map_key_clear(KEY_SLEEP); break;
752 case 0x034: map_key_clear(KEY_SLEEP); break;
753 case 0x035: map_key_clear(KEY_KBDILLUMTOGGLE); break;
754 case 0x036: map_key_clear(BTN_MISC); break;
755
756 case 0x040: map_key_clear(KEY_MENU); break;
757 case 0x041: map_key_clear(KEY_SELECT); break;
758 case 0x042: map_key_clear(KEY_UP); break;
759 case 0x043: map_key_clear(KEY_DOWN); break;
760 case 0x044: map_key_clear(KEY_LEFT); break;
761 case 0x045: map_key_clear(KEY_RIGHT); break;
762 case 0x046: map_key_clear(KEY_ESC); break;
763 case 0x047: map_key_clear(KEY_KPPLUS); break;
764 case 0x048: map_key_clear(KEY_KPMINUS); break;
765
766 case 0x060: map_key_clear(KEY_INFO); break;
767 case 0x061: map_key_clear(KEY_SUBTITLE); break;
768 case 0x063: map_key_clear(KEY_VCR); break;
769 case 0x065: map_key_clear(KEY_CAMERA); break;
770 case 0x069: map_key_clear(KEY_RED); break;
771 case 0x06a: map_key_clear(KEY_GREEN); break;
772 case 0x06b: map_key_clear(KEY_BLUE); break;
773 case 0x06c: map_key_clear(KEY_YELLOW); break;
774 case 0x06d: map_key_clear(KEY_ZOOM); break;
775
776 case 0x06f: map_key_clear(KEY_BRIGHTNESSUP); break;
777 case 0x070: map_key_clear(KEY_BRIGHTNESSDOWN); break;
778 case 0x072: map_key_clear(KEY_BRIGHTNESS_TOGGLE); break;
779 case 0x073: map_key_clear(KEY_BRIGHTNESS_MIN); break;
780 case 0x074: map_key_clear(KEY_BRIGHTNESS_MAX); break;
781 case 0x075: map_key_clear(KEY_BRIGHTNESS_AUTO); break;
782
783 case 0x082: map_key_clear(KEY_VIDEO_NEXT); break;
784 case 0x083: map_key_clear(KEY_LAST); break;
785 case 0x084: map_key_clear(KEY_ENTER); break;
786 case 0x088: map_key_clear(KEY_PC); break;
787 case 0x089: map_key_clear(KEY_TV); break;
788 case 0x08a: map_key_clear(KEY_WWW); break;
789 case 0x08b: map_key_clear(KEY_DVD); break;
790 case 0x08c: map_key_clear(KEY_PHONE); break;
791 case 0x08d: map_key_clear(KEY_PROGRAM); break;
792 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break;
793 case 0x08f: map_key_clear(KEY_GAMES); break;
794 case 0x090: map_key_clear(KEY_MEMO); break;
795 case 0x091: map_key_clear(KEY_CD); break;
796 case 0x092: map_key_clear(KEY_VCR); break;
797 case 0x093: map_key_clear(KEY_TUNER); break;
798 case 0x094: map_key_clear(KEY_EXIT); break;
799 case 0x095: map_key_clear(KEY_HELP); break;
800 case 0x096: map_key_clear(KEY_TAPE); break;
801 case 0x097: map_key_clear(KEY_TV2); break;
802 case 0x098: map_key_clear(KEY_SAT); break;
803 case 0x09a: map_key_clear(KEY_PVR); break;
804
805 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
806 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
807 case 0x0a0: map_key_clear(KEY_VCR2); break;
808
809 case 0x0b0: map_key_clear(KEY_PLAY); break;
810 case 0x0b1: map_key_clear(KEY_PAUSE); break;
811 case 0x0b2: map_key_clear(KEY_RECORD); break;
812 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
813 case 0x0b4: map_key_clear(KEY_REWIND); break;
814 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
815 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
816 case 0x0b7: map_key_clear(KEY_STOPCD); break;
817 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
818 case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break;
819 case 0x0b9: map_key_clear(KEY_SHUFFLE); break;
820 case 0x0bf: map_key_clear(KEY_SLOW); break;
821
822 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
823 case 0x0cf: map_key_clear(KEY_VOICECOMMAND); break;
824 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
825 case 0x0e2: map_key_clear(KEY_MUTE); break;
826 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
827 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
828 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
829 case 0x0f5: map_key_clear(KEY_SLOW); break;
830
831 case 0x181: map_key_clear(KEY_BUTTONCONFIG); break;
832 case 0x182: map_key_clear(KEY_BOOKMARKS); break;
833 case 0x183: map_key_clear(KEY_CONFIG); break;
834 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
835 case 0x185: map_key_clear(KEY_EDITOR); break;
836 case 0x186: map_key_clear(KEY_SPREADSHEET); break;
837 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break;
838 case 0x188: map_key_clear(KEY_PRESENTATION); break;
839 case 0x189: map_key_clear(KEY_DATABASE); break;
840 case 0x18a: map_key_clear(KEY_MAIL); break;
841 case 0x18b: map_key_clear(KEY_NEWS); break;
842 case 0x18c: map_key_clear(KEY_VOICEMAIL); break;
843 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break;
844 case 0x18e: map_key_clear(KEY_CALENDAR); break;
845 case 0x18f: map_key_clear(KEY_TASKMANAGER); break;
846 case 0x190: map_key_clear(KEY_JOURNAL); break;
847 case 0x191: map_key_clear(KEY_FINANCE); break;
848 case 0x192: map_key_clear(KEY_CALC); break;
849 case 0x193: map_key_clear(KEY_PLAYER); break;
850 case 0x194: map_key_clear(KEY_FILE); break;
851 case 0x196: map_key_clear(KEY_WWW); break;
852 case 0x199: map_key_clear(KEY_CHAT); break;
853 case 0x19c: map_key_clear(KEY_LOGOFF); break;
854 case 0x19e: map_key_clear(KEY_COFFEE); break;
855 case 0x19f: map_key_clear(KEY_CONTROLPANEL); break;
856 case 0x1a2: map_key_clear(KEY_APPSELECT); break;
857 case 0x1a3: map_key_clear(KEY_NEXT); break;
858 case 0x1a4: map_key_clear(KEY_PREVIOUS); break;
859 case 0x1a6: map_key_clear(KEY_HELP); break;
860 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
861 case 0x1ab: map_key_clear(KEY_SPELLCHECK); break;
862 case 0x1ae: map_key_clear(KEY_KEYBOARD); break;
863 case 0x1b1: map_key_clear(KEY_SCREENSAVER); break;
864 case 0x1b4: map_key_clear(KEY_FILE); break;
865 case 0x1b6: map_key_clear(KEY_IMAGES); break;
866 case 0x1b7: map_key_clear(KEY_AUDIO); break;
867 case 0x1b8: map_key_clear(KEY_VIDEO); break;
868 case 0x1bc: map_key_clear(KEY_MESSENGER); break;
869 case 0x1bd: map_key_clear(KEY_INFO); break;
870 case 0x201: map_key_clear(KEY_NEW); break;
871 case 0x202: map_key_clear(KEY_OPEN); break;
872 case 0x203: map_key_clear(KEY_CLOSE); break;
873 case 0x204: map_key_clear(KEY_EXIT); break;
874 case 0x207: map_key_clear(KEY_SAVE); break;
875 case 0x208: map_key_clear(KEY_PRINT); break;
876 case 0x209: map_key_clear(KEY_PROPS); break;
877 case 0x21a: map_key_clear(KEY_UNDO); break;
878 case 0x21b: map_key_clear(KEY_COPY); break;
879 case 0x21c: map_key_clear(KEY_CUT); break;
880 case 0x21d: map_key_clear(KEY_PASTE); break;
881 case 0x21f: map_key_clear(KEY_FIND); break;
882 case 0x221: map_key_clear(KEY_SEARCH); break;
883 case 0x222: map_key_clear(KEY_GOTO); break;
884 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
885 case 0x224: map_key_clear(KEY_BACK); break;
886 case 0x225: map_key_clear(KEY_FORWARD); break;
887 case 0x226: map_key_clear(KEY_STOP); break;
888 case 0x227: map_key_clear(KEY_REFRESH); break;
889 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
890 case 0x22d: map_key_clear(KEY_ZOOMIN); break;
891 case 0x22e: map_key_clear(KEY_ZOOMOUT); break;
892 case 0x22f: map_key_clear(KEY_ZOOMRESET); break;
893 case 0x233: map_key_clear(KEY_SCROLLUP); break;
894 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
895 case 0x238: map_rel(REL_HWHEEL); break;
896 case 0x23d: map_key_clear(KEY_EDIT); break;
897 case 0x25f: map_key_clear(KEY_CANCEL); break;
898 case 0x269: map_key_clear(KEY_INSERT); break;
899 case 0x26a: map_key_clear(KEY_DELETE); break;
900 case 0x279: map_key_clear(KEY_REDO); break;
901
902 case 0x289: map_key_clear(KEY_REPLY); break;
903 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
904 case 0x28c: map_key_clear(KEY_SEND); break;
905
906 case 0x2c7: map_key_clear(KEY_KBDINPUTASSIST_PREV); break;
907 case 0x2c8: map_key_clear(KEY_KBDINPUTASSIST_NEXT); break;
908 case 0x2c9: map_key_clear(KEY_KBDINPUTASSIST_PREVGROUP); break;
909 case 0x2ca: map_key_clear(KEY_KBDINPUTASSIST_NEXTGROUP); break;
910 case 0x2cb: map_key_clear(KEY_KBDINPUTASSIST_ACCEPT); break;
911 case 0x2cc: map_key_clear(KEY_KBDINPUTASSIST_CANCEL); break;
912
913 default: map_key_clear(KEY_UNKNOWN);
914 }
915 break;
916
917 case HID_UP_GENDEVCTRLS:
918 if (hidinput_setup_battery(device, HID_INPUT_REPORT, field))
919 goto ignore;
920 else
921 goto unknown;
922 break;
923
924 case HID_UP_HPVENDOR:
925 set_bit(EV_REP, input->evbit);
926 switch (usage->hid & HID_USAGE) {
927 case 0x021: map_key_clear(KEY_PRINT); break;
928 case 0x070: map_key_clear(KEY_HP); break;
929 case 0x071: map_key_clear(KEY_CAMERA); break;
930 case 0x072: map_key_clear(KEY_SOUND); break;
931 case 0x073: map_key_clear(KEY_QUESTION); break;
932 case 0x080: map_key_clear(KEY_EMAIL); break;
933 case 0x081: map_key_clear(KEY_CHAT); break;
934 case 0x082: map_key_clear(KEY_SEARCH); break;
935 case 0x083: map_key_clear(KEY_CONNECT); break;
936 case 0x084: map_key_clear(KEY_FINANCE); break;
937 case 0x085: map_key_clear(KEY_SPORT); break;
938 case 0x086: map_key_clear(KEY_SHOP); break;
939 default: goto ignore;
940 }
941 break;
942
943 case HID_UP_HPVENDOR2:
944 set_bit(EV_REP, input->evbit);
945 switch (usage->hid & HID_USAGE) {
946 case 0x003: map_key_clear(KEY_BRIGHTNESSDOWN); break;
947 case 0x004: map_key_clear(KEY_BRIGHTNESSUP); break;
948 default: goto ignore;
949 }
950 break;
951
952 case HID_UP_MSVENDOR:
953 goto ignore;
954
955 case HID_UP_CUSTOM:
956 set_bit(EV_REP, input->evbit);
957 goto ignore;
958
959 case HID_UP_LOGIVENDOR:
960 goto ignore;
961
962 case HID_UP_PID:
963 switch (usage->hid & HID_USAGE) {
964 case 0xa4: map_key_clear(BTN_DEAD); break;
965 default: goto ignore;
966 }
967 break;
968
969 default:
970 unknown:
971 if (field->report_size == 1) {
972 if (field->report->type == HID_OUTPUT_REPORT) {
973 map_led(LED_MISC);
974 break;
975 }
976 map_key(BTN_MISC);
977 break;
978 }
979 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
980 map_rel(REL_MISC);
981 break;
982 }
983 map_abs(ABS_MISC);
984 break;
985 }
986
987mapped:
988 if (device->driver->input_mapped && device->driver->input_mapped(device,
989 hidinput, field, usage, &bit, &max) < 0)
990 goto ignore;
991
992 set_bit(usage->type, input->evbit);
993
994 while (usage->code <= max && test_and_set_bit(usage->code, bit))
995 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
996
997 if (usage->code > max)
998 goto ignore;
999
1000
1001 if (usage->type == EV_ABS) {
1002
1003 int a = field->logical_minimum;
1004 int b = field->logical_maximum;
1005
1006 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
1007 a = field->logical_minimum = 0;
1008 b = field->logical_maximum = 255;
1009 }
1010
1011 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
1012 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
1013 else input_set_abs_params(input, usage->code, a, b, 0, 0);
1014
1015 input_abs_set_res(input, usage->code,
1016 hidinput_calc_abs_res(field, usage->code));
1017
1018
1019 if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0)
1020 input_set_events_per_packet(input, 60);
1021 }
1022
1023 if (usage->type == EV_ABS &&
1024 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
1025 int i;
1026 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
1027 input_set_abs_params(input, i, -1, 1, 0, 0);
1028 set_bit(i, input->absbit);
1029 }
1030 if (usage->hat_dir && !field->dpad)
1031 field->dpad = usage->code;
1032 }
1033
1034
1035
1036
1037
1038 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
1039 (usage->code == ABS_VOLUME)) {
1040 set_bit(KEY_VOLUMEUP, input->keybit);
1041 set_bit(KEY_VOLUMEDOWN, input->keybit);
1042 }
1043
1044 if (usage->type == EV_KEY) {
1045 set_bit(EV_MSC, input->evbit);
1046 set_bit(MSC_SCAN, input->mscbit);
1047 }
1048
1049ignore:
1050 return;
1051
1052}
1053
1054void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
1055{
1056 struct input_dev *input;
1057 unsigned *quirks = &hid->quirks;
1058
1059 if (!field->hidinput)
1060 return;
1061
1062 input = field->hidinput->input;
1063
1064 if (!usage->type)
1065 return;
1066
1067 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
1068 int hat_dir = usage->hat_dir;
1069 if (!hat_dir)
1070 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
1071 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
1072 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
1073 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
1074 return;
1075 }
1076
1077 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) {
1078 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
1079 return;
1080 }
1081
1082 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) {
1083 if (value) {
1084 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
1085 return;
1086 }
1087 input_event(input, usage->type, usage->code, 0);
1088 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
1089 return;
1090 }
1091
1092 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) {
1093 int a = field->logical_minimum;
1094 int b = field->logical_maximum;
1095 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
1096 }
1097
1098 if (usage->hid == (HID_UP_PID | 0x83UL)) {
1099 dbg_hid("Maximum Effects - %d\n",value);
1100 return;
1101 }
1102
1103 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
1104 dbg_hid("PID Pool Report\n");
1105 return;
1106 }
1107
1108 if ((usage->type == EV_KEY) && (usage->code == 0))
1109 return;
1110
1111 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
1112 (usage->code == ABS_VOLUME)) {
1113 int count = abs(value);
1114 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
1115 int i;
1116
1117 for (i = 0; i < count; i++) {
1118 input_event(input, EV_KEY, direction, 1);
1119 input_sync(input);
1120 input_event(input, EV_KEY, direction, 0);
1121 input_sync(input);
1122 }
1123 return;
1124 }
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134 if ((field->flags & HID_MAIN_ITEM_VARIABLE) &&
1135 (field->logical_minimum < field->logical_maximum) &&
1136 (value < field->logical_minimum ||
1137 value > field->logical_maximum)) {
1138 dbg_hid("Ignoring out-of-range value %x\n", value);
1139 return;
1140 }
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152 if (!(field->flags & (HID_MAIN_ITEM_RELATIVE |
1153 HID_MAIN_ITEM_BUFFERED_BYTE)) &&
1154 (field->flags & HID_MAIN_ITEM_VARIABLE) &&
1155 usage->usage_index < field->maxusage &&
1156 value == field->value[usage->usage_index])
1157 return;
1158
1159
1160 if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
1161 input_event(input, EV_MSC, MSC_SCAN, usage->hid);
1162
1163 input_event(input, usage->type, usage->code, value);
1164
1165 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
1166 input_event(input, usage->type, usage->code, 0);
1167}
1168
1169void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
1170{
1171 struct hid_input *hidinput;
1172
1173 if (hid->quirks & HID_QUIRK_NO_INPUT_SYNC)
1174 return;
1175
1176 list_for_each_entry(hidinput, &hid->inputs, list)
1177 input_sync(hidinput->input);
1178}
1179EXPORT_SYMBOL_GPL(hidinput_report_event);
1180
1181int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
1182{
1183 struct hid_report *report;
1184 int i, j;
1185
1186 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
1187 for (i = 0; i < report->maxfield; i++) {
1188 *field = report->field[i];
1189 for (j = 0; j < (*field)->maxusage; j++)
1190 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
1191 return j;
1192 }
1193 }
1194 return -1;
1195}
1196EXPORT_SYMBOL_GPL(hidinput_find_field);
1197
1198struct hid_field *hidinput_get_led_field(struct hid_device *hid)
1199{
1200 struct hid_report *report;
1201 struct hid_field *field;
1202 int i, j;
1203
1204 list_for_each_entry(report,
1205 &hid->report_enum[HID_OUTPUT_REPORT].report_list,
1206 list) {
1207 for (i = 0; i < report->maxfield; i++) {
1208 field = report->field[i];
1209 for (j = 0; j < field->maxusage; j++)
1210 if (field->usage[j].type == EV_LED)
1211 return field;
1212 }
1213 }
1214 return NULL;
1215}
1216EXPORT_SYMBOL_GPL(hidinput_get_led_field);
1217
1218unsigned int hidinput_count_leds(struct hid_device *hid)
1219{
1220 struct hid_report *report;
1221 struct hid_field *field;
1222 int i, j;
1223 unsigned int count = 0;
1224
1225 list_for_each_entry(report,
1226 &hid->report_enum[HID_OUTPUT_REPORT].report_list,
1227 list) {
1228 for (i = 0; i < report->maxfield; i++) {
1229 field = report->field[i];
1230 for (j = 0; j < field->maxusage; j++)
1231 if (field->usage[j].type == EV_LED &&
1232 field->value[j])
1233 count += 1;
1234 }
1235 }
1236 return count;
1237}
1238EXPORT_SYMBOL_GPL(hidinput_count_leds);
1239
1240static void hidinput_led_worker(struct work_struct *work)
1241{
1242 struct hid_device *hid = container_of(work, struct hid_device,
1243 led_work);
1244 struct hid_field *field;
1245 struct hid_report *report;
1246 int len, ret;
1247 __u8 *buf;
1248
1249 field = hidinput_get_led_field(hid);
1250 if (!field)
1251 return;
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266 report = field->report;
1267
1268
1269 if (hid->ll_driver->request)
1270 return hid->ll_driver->request(hid, report, HID_REQ_SET_REPORT);
1271
1272
1273 len = hid_report_len(report);
1274 buf = hid_alloc_report_buf(report, GFP_KERNEL);
1275 if (!buf)
1276 return;
1277
1278 hid_output_report(report, buf);
1279
1280 ret = hid_hw_output_report(hid, buf, len);
1281 if (ret == -ENOSYS)
1282 hid_hw_raw_request(hid, report->id, buf, len, HID_OUTPUT_REPORT,
1283 HID_REQ_SET_REPORT);
1284 kfree(buf);
1285}
1286
1287static int hidinput_input_event(struct input_dev *dev, unsigned int type,
1288 unsigned int code, int value)
1289{
1290 struct hid_device *hid = input_get_drvdata(dev);
1291 struct hid_field *field;
1292 int offset;
1293
1294 if (type == EV_FF)
1295 return input_ff_event(dev, type, code, value);
1296
1297 if (type != EV_LED)
1298 return -1;
1299
1300 if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) {
1301 hid_warn(dev, "event field not found\n");
1302 return -1;
1303 }
1304
1305 hid_set_field(field, offset, value);
1306
1307 schedule_work(&hid->led_work);
1308 return 0;
1309}
1310
1311static int hidinput_open(struct input_dev *dev)
1312{
1313 struct hid_device *hid = input_get_drvdata(dev);
1314
1315 return hid_hw_open(hid);
1316}
1317
1318static void hidinput_close(struct input_dev *dev)
1319{
1320 struct hid_device *hid = input_get_drvdata(dev);
1321
1322 hid_hw_close(hid);
1323}
1324
1325static void report_features(struct hid_device *hid)
1326{
1327 struct hid_driver *drv = hid->driver;
1328 struct hid_report_enum *rep_enum;
1329 struct hid_report *rep;
1330 int i, j;
1331
1332 rep_enum = &hid->report_enum[HID_FEATURE_REPORT];
1333 list_for_each_entry(rep, &rep_enum->report_list, list)
1334 for (i = 0; i < rep->maxfield; i++) {
1335
1336 if (rep->field[i]->report_count < 1)
1337 continue;
1338
1339 for (j = 0; j < rep->field[i]->maxusage; j++) {
1340
1341 hidinput_setup_battery(hid, HID_FEATURE_REPORT, rep->field[i]);
1342
1343 if (drv->feature_mapping)
1344 drv->feature_mapping(hid, rep->field[i],
1345 rep->field[i]->usage + j);
1346 }
1347 }
1348}
1349
1350static struct hid_input *hidinput_allocate(struct hid_device *hid)
1351{
1352 struct hid_input *hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
1353 struct input_dev *input_dev = input_allocate_device();
1354 if (!hidinput || !input_dev) {
1355 kfree(hidinput);
1356 input_free_device(input_dev);
1357 hid_err(hid, "Out of memory during hid input probe\n");
1358 return NULL;
1359 }
1360
1361 input_set_drvdata(input_dev, hid);
1362 input_dev->event = hidinput_input_event;
1363 input_dev->open = hidinput_open;
1364 input_dev->close = hidinput_close;
1365 input_dev->setkeycode = hidinput_setkeycode;
1366 input_dev->getkeycode = hidinput_getkeycode;
1367
1368 input_dev->name = hid->name;
1369 input_dev->phys = hid->phys;
1370 input_dev->uniq = hid->uniq;
1371 input_dev->id.bustype = hid->bus;
1372 input_dev->id.vendor = hid->vendor;
1373 input_dev->id.product = hid->product;
1374 input_dev->id.version = hid->version;
1375 input_dev->dev.parent = &hid->dev;
1376 hidinput->input = input_dev;
1377 list_add_tail(&hidinput->list, &hid->inputs);
1378
1379 return hidinput;
1380}
1381
1382static bool hidinput_has_been_populated(struct hid_input *hidinput)
1383{
1384 int i;
1385 unsigned long r = 0;
1386
1387 for (i = 0; i < BITS_TO_LONGS(EV_CNT); i++)
1388 r |= hidinput->input->evbit[i];
1389
1390 for (i = 0; i < BITS_TO_LONGS(KEY_CNT); i++)
1391 r |= hidinput->input->keybit[i];
1392
1393 for (i = 0; i < BITS_TO_LONGS(REL_CNT); i++)
1394 r |= hidinput->input->relbit[i];
1395
1396 for (i = 0; i < BITS_TO_LONGS(ABS_CNT); i++)
1397 r |= hidinput->input->absbit[i];
1398
1399 for (i = 0; i < BITS_TO_LONGS(MSC_CNT); i++)
1400 r |= hidinput->input->mscbit[i];
1401
1402 for (i = 0; i < BITS_TO_LONGS(LED_CNT); i++)
1403 r |= hidinput->input->ledbit[i];
1404
1405 for (i = 0; i < BITS_TO_LONGS(SND_CNT); i++)
1406 r |= hidinput->input->sndbit[i];
1407
1408 for (i = 0; i < BITS_TO_LONGS(FF_CNT); i++)
1409 r |= hidinput->input->ffbit[i];
1410
1411 for (i = 0; i < BITS_TO_LONGS(SW_CNT); i++)
1412 r |= hidinput->input->swbit[i];
1413
1414 return !!r;
1415}
1416
1417static void hidinput_cleanup_hidinput(struct hid_device *hid,
1418 struct hid_input *hidinput)
1419{
1420 struct hid_report *report;
1421 int i, k;
1422
1423 list_del(&hidinput->list);
1424 input_free_device(hidinput->input);
1425
1426 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
1427 if (k == HID_OUTPUT_REPORT &&
1428 hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
1429 continue;
1430
1431 list_for_each_entry(report, &hid->report_enum[k].report_list,
1432 list) {
1433
1434 for (i = 0; i < report->maxfield; i++)
1435 if (report->field[i]->hidinput == hidinput)
1436 report->field[i]->hidinput = NULL;
1437 }
1438 }
1439
1440 kfree(hidinput);
1441}
1442
1443
1444
1445
1446
1447
1448
1449int hidinput_connect(struct hid_device *hid, unsigned int force)
1450{
1451 struct hid_driver *drv = hid->driver;
1452 struct hid_report *report;
1453 struct hid_input *hidinput = NULL;
1454 int i, j, k;
1455
1456 INIT_LIST_HEAD(&hid->inputs);
1457 INIT_WORK(&hid->led_work, hidinput_led_worker);
1458
1459 if (!force) {
1460 for (i = 0; i < hid->maxcollection; i++) {
1461 struct hid_collection *col = &hid->collection[i];
1462 if (col->type == HID_COLLECTION_APPLICATION ||
1463 col->type == HID_COLLECTION_PHYSICAL)
1464 if (IS_INPUT_APPLICATION(col->usage))
1465 break;
1466 }
1467
1468 if (i == hid->maxcollection)
1469 return -1;
1470 }
1471
1472 report_features(hid);
1473
1474 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
1475 if (k == HID_OUTPUT_REPORT &&
1476 hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
1477 continue;
1478
1479 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
1480
1481 if (!report->maxfield)
1482 continue;
1483
1484 if (!hidinput) {
1485 hidinput = hidinput_allocate(hid);
1486 if (!hidinput)
1487 goto out_unwind;
1488 }
1489
1490 for (i = 0; i < report->maxfield; i++)
1491 for (j = 0; j < report->field[i]->maxusage; j++)
1492 hidinput_configure_usage(hidinput, report->field[i],
1493 report->field[i]->usage + j);
1494
1495 if ((hid->quirks & HID_QUIRK_NO_EMPTY_INPUT) &&
1496 !hidinput_has_been_populated(hidinput))
1497 continue;
1498
1499 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1500
1501
1502
1503
1504
1505 hidinput->report = report;
1506 if (drv->input_configured)
1507 drv->input_configured(hid, hidinput);
1508 if (input_register_device(hidinput->input))
1509 goto out_cleanup;
1510 hidinput = NULL;
1511 }
1512 }
1513 }
1514
1515 if (hidinput && (hid->quirks & HID_QUIRK_NO_EMPTY_INPUT) &&
1516 !hidinput_has_been_populated(hidinput)) {
1517
1518 hidinput_cleanup_hidinput(hid, hidinput);
1519 hidinput = NULL;
1520 }
1521
1522 if (list_empty(&hid->inputs)) {
1523 hid_err(hid, "No inputs registered, leaving\n");
1524 goto out_unwind;
1525 }
1526
1527 if (hidinput) {
1528 if (drv->input_configured)
1529 drv->input_configured(hid, hidinput);
1530 if (input_register_device(hidinput->input))
1531 goto out_cleanup;
1532 }
1533
1534 return 0;
1535
1536out_cleanup:
1537 list_del(&hidinput->list);
1538 input_free_device(hidinput->input);
1539 kfree(hidinput);
1540out_unwind:
1541
1542 hidinput_disconnect(hid);
1543
1544 return -1;
1545}
1546EXPORT_SYMBOL_GPL(hidinput_connect);
1547
1548void hidinput_disconnect(struct hid_device *hid)
1549{
1550 struct hid_input *hidinput, *next;
1551
1552 hidinput_cleanup_battery(hid);
1553
1554 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1555 list_del(&hidinput->list);
1556 input_unregister_device(hidinput->input);
1557 kfree(hidinput);
1558 }
1559
1560
1561
1562
1563
1564 cancel_work_sync(&hid->led_work);
1565}
1566EXPORT_SYMBOL_GPL(hidinput_disconnect);
1567
1568
