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USB: add Raritan KVM USB Dongle to the HID_QUIRK_NOGET blacklist
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / usb / input / hid-core.c
1 /*
2 * USB HID support for Linux
3 *
4 * Copyright (c) 1999 Andreas Gal
5 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
6 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
7 */
8
9 /*
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the Free
12 * Software Foundation; either version 2 of the License, or (at your option)
13 * any later version.
14 */
15
16 #include <linux/module.h>
17 #include <linux/slab.h>
18 #include <linux/init.h>
19 #include <linux/kernel.h>
20 #include <linux/sched.h>
21 #include <linux/list.h>
22 #include <linux/mm.h>
23 #include <linux/smp_lock.h>
24 #include <linux/spinlock.h>
25 #include <asm/unaligned.h>
26 #include <asm/byteorder.h>
27 #include <linux/input.h>
28 #include <linux/wait.h>
29
30 #undef DEBUG
31 #undef DEBUG_DATA
32
33 #include <linux/usb.h>
34
35 #include "hid.h"
36 #include <linux/hiddev.h>
37
38 /*
39 * Version Information
40 */
41
42 #define DRIVER_VERSION "v2.6"
43 #define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik"
44 #define DRIVER_DESC "USB HID core driver"
45 #define DRIVER_LICENSE "GPL"
46
47 static char *hid_types[] = {"Device", "Pointer", "Mouse", "Device", "Joystick",
48 "Gamepad", "Keyboard", "Keypad", "Multi-Axis Controller"};
49 /*
50 * Module parameters.
51 */
52
53 static unsigned int hid_mousepoll_interval;
54 module_param_named(mousepoll, hid_mousepoll_interval, uint, 0644);
55 MODULE_PARM_DESC(mousepoll, "Polling interval of mice");
56
57 /*
58 * Register a new report for a device.
59 */
60
61 static struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
62 {
63 struct hid_report_enum *report_enum = device->report_enum + type;
64 struct hid_report *report;
65
66 if (report_enum->report_id_hash[id])
67 return report_enum->report_id_hash[id];
68
69 if (!(report = kzalloc(sizeof(struct hid_report), GFP_KERNEL)))
70 return NULL;
71
72 if (id != 0)
73 report_enum->numbered = 1;
74
75 report->id = id;
76 report->type = type;
77 report->size = 0;
78 report->device = device;
79 report_enum->report_id_hash[id] = report;
80
81 list_add_tail(&report->list, &report_enum->report_list);
82
83 return report;
84 }
85
86 /*
87 * Register a new field for this report.
88 */
89
90 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
91 {
92 struct hid_field *field;
93
94 if (report->maxfield == HID_MAX_FIELDS) {
95 dbg("too many fields in report");
96 return NULL;
97 }
98
99 if (!(field = kzalloc(sizeof(struct hid_field) + usages * sizeof(struct hid_usage)
100 + values * sizeof(unsigned), GFP_KERNEL))) return NULL;
101
102 field->index = report->maxfield++;
103 report->field[field->index] = field;
104 field->usage = (struct hid_usage *)(field + 1);
105 field->value = (unsigned *)(field->usage + usages);
106 field->report = report;
107
108 return field;
109 }
110
111 /*
112 * Open a collection. The type/usage is pushed on the stack.
113 */
114
115 static int open_collection(struct hid_parser *parser, unsigned type)
116 {
117 struct hid_collection *collection;
118 unsigned usage;
119
120 usage = parser->local.usage[0];
121
122 if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
123 dbg("collection stack overflow");
124 return -1;
125 }
126
127 if (parser->device->maxcollection == parser->device->collection_size) {
128 collection = kmalloc(sizeof(struct hid_collection) *
129 parser->device->collection_size * 2, GFP_KERNEL);
130 if (collection == NULL) {
131 dbg("failed to reallocate collection array");
132 return -1;
133 }
134 memcpy(collection, parser->device->collection,
135 sizeof(struct hid_collection) *
136 parser->device->collection_size);
137 memset(collection + parser->device->collection_size, 0,
138 sizeof(struct hid_collection) *
139 parser->device->collection_size);
140 kfree(parser->device->collection);
141 parser->device->collection = collection;
142 parser->device->collection_size *= 2;
143 }
144
145 parser->collection_stack[parser->collection_stack_ptr++] =
146 parser->device->maxcollection;
147
148 collection = parser->device->collection +
149 parser->device->maxcollection++;
150 collection->type = type;
151 collection->usage = usage;
152 collection->level = parser->collection_stack_ptr - 1;
153
154 if (type == HID_COLLECTION_APPLICATION)
155 parser->device->maxapplication++;
156
157 return 0;
158 }
159
160 /*
161 * Close a collection.
162 */
163
164 static int close_collection(struct hid_parser *parser)
165 {
166 if (!parser->collection_stack_ptr) {
167 dbg("collection stack underflow");
168 return -1;
169 }
170 parser->collection_stack_ptr--;
171 return 0;
172 }
173
174 /*
175 * Climb up the stack, search for the specified collection type
176 * and return the usage.
177 */
178
179 static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
180 {
181 int n;
182 for (n = parser->collection_stack_ptr - 1; n >= 0; n--)
183 if (parser->device->collection[parser->collection_stack[n]].type == type)
184 return parser->device->collection[parser->collection_stack[n]].usage;
185 return 0; /* we know nothing about this usage type */
186 }
187
188 /*
189 * Add a usage to the temporary parser table.
190 */
191
192 static int hid_add_usage(struct hid_parser *parser, unsigned usage)
193 {
194 if (parser->local.usage_index >= HID_MAX_USAGES) {
195 dbg("usage index exceeded");
196 return -1;
197 }
198 parser->local.usage[parser->local.usage_index] = usage;
199 parser->local.collection_index[parser->local.usage_index] =
200 parser->collection_stack_ptr ?
201 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
202 parser->local.usage_index++;
203 return 0;
204 }
205
206 /*
207 * Register a new field for this report.
208 */
209
210 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
211 {
212 struct hid_report *report;
213 struct hid_field *field;
214 int usages;
215 unsigned offset;
216 int i;
217
218 if (!(report = hid_register_report(parser->device, report_type, parser->global.report_id))) {
219 dbg("hid_register_report failed");
220 return -1;
221 }
222
223 if (parser->global.logical_maximum < parser->global.logical_minimum) {
224 dbg("logical range invalid %d %d", parser->global.logical_minimum, parser->global.logical_maximum);
225 return -1;
226 }
227
228 offset = report->size;
229 report->size += parser->global.report_size * parser->global.report_count;
230
231 if (!parser->local.usage_index) /* Ignore padding fields */
232 return 0;
233
234 usages = max_t(int, parser->local.usage_index, parser->global.report_count);
235
236 if ((field = hid_register_field(report, usages, parser->global.report_count)) == NULL)
237 return 0;
238
239 field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
240 field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
241 field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
242
243 for (i = 0; i < usages; i++) {
244 int j = i;
245 /* Duplicate the last usage we parsed if we have excess values */
246 if (i >= parser->local.usage_index)
247 j = parser->local.usage_index - 1;
248 field->usage[i].hid = parser->local.usage[j];
249 field->usage[i].collection_index =
250 parser->local.collection_index[j];
251 }
252
253 field->maxusage = usages;
254 field->flags = flags;
255 field->report_offset = offset;
256 field->report_type = report_type;
257 field->report_size = parser->global.report_size;
258 field->report_count = parser->global.report_count;
259 field->logical_minimum = parser->global.logical_minimum;
260 field->logical_maximum = parser->global.logical_maximum;
261 field->physical_minimum = parser->global.physical_minimum;
262 field->physical_maximum = parser->global.physical_maximum;
263 field->unit_exponent = parser->global.unit_exponent;
264 field->unit = parser->global.unit;
265
266 return 0;
267 }
268
269 /*
270 * Read data value from item.
271 */
272
273 static __inline__ __u32 item_udata(struct hid_item *item)
274 {
275 switch (item->size) {
276 case 1: return item->data.u8;
277 case 2: return item->data.u16;
278 case 4: return item->data.u32;
279 }
280 return 0;
281 }
282
283 static __inline__ __s32 item_sdata(struct hid_item *item)
284 {
285 switch (item->size) {
286 case 1: return item->data.s8;
287 case 2: return item->data.s16;
288 case 4: return item->data.s32;
289 }
290 return 0;
291 }
292
293 /*
294 * Process a global item.
295 */
296
297 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
298 {
299 switch (item->tag) {
300
301 case HID_GLOBAL_ITEM_TAG_PUSH:
302
303 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
304 dbg("global enviroment stack overflow");
305 return -1;
306 }
307
308 memcpy(parser->global_stack + parser->global_stack_ptr++,
309 &parser->global, sizeof(struct hid_global));
310 return 0;
311
312 case HID_GLOBAL_ITEM_TAG_POP:
313
314 if (!parser->global_stack_ptr) {
315 dbg("global enviroment stack underflow");
316 return -1;
317 }
318
319 memcpy(&parser->global, parser->global_stack + --parser->global_stack_ptr,
320 sizeof(struct hid_global));
321 return 0;
322
323 case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
324 parser->global.usage_page = item_udata(item);
325 return 0;
326
327 case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
328 parser->global.logical_minimum = item_sdata(item);
329 return 0;
330
331 case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
332 if (parser->global.logical_minimum < 0)
333 parser->global.logical_maximum = item_sdata(item);
334 else
335 parser->global.logical_maximum = item_udata(item);
336 return 0;
337
338 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
339 parser->global.physical_minimum = item_sdata(item);
340 return 0;
341
342 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
343 if (parser->global.physical_minimum < 0)
344 parser->global.physical_maximum = item_sdata(item);
345 else
346 parser->global.physical_maximum = item_udata(item);
347 return 0;
348
349 case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
350 parser->global.unit_exponent = item_sdata(item);
351 return 0;
352
353 case HID_GLOBAL_ITEM_TAG_UNIT:
354 parser->global.unit = item_udata(item);
355 return 0;
356
357 case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
358 if ((parser->global.report_size = item_udata(item)) > 32) {
359 dbg("invalid report_size %d", parser->global.report_size);
360 return -1;
361 }
362 return 0;
363
364 case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
365 if ((parser->global.report_count = item_udata(item)) > HID_MAX_USAGES) {
366 dbg("invalid report_count %d", parser->global.report_count);
367 return -1;
368 }
369 return 0;
370
371 case HID_GLOBAL_ITEM_TAG_REPORT_ID:
372 if ((parser->global.report_id = item_udata(item)) == 0) {
373 dbg("report_id 0 is invalid");
374 return -1;
375 }
376 return 0;
377
378 default:
379 dbg("unknown global tag 0x%x", item->tag);
380 return -1;
381 }
382 }
383
384 /*
385 * Process a local item.
386 */
387
388 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
389 {
390 __u32 data;
391 unsigned n;
392
393 if (item->size == 0) {
394 dbg("item data expected for local item");
395 return -1;
396 }
397
398 data = item_udata(item);
399
400 switch (item->tag) {
401
402 case HID_LOCAL_ITEM_TAG_DELIMITER:
403
404 if (data) {
405 /*
406 * We treat items before the first delimiter
407 * as global to all usage sets (branch 0).
408 * In the moment we process only these global
409 * items and the first delimiter set.
410 */
411 if (parser->local.delimiter_depth != 0) {
412 dbg("nested delimiters");
413 return -1;
414 }
415 parser->local.delimiter_depth++;
416 parser->local.delimiter_branch++;
417 } else {
418 if (parser->local.delimiter_depth < 1) {
419 dbg("bogus close delimiter");
420 return -1;
421 }
422 parser->local.delimiter_depth--;
423 }
424 return 1;
425
426 case HID_LOCAL_ITEM_TAG_USAGE:
427
428 if (parser->local.delimiter_branch > 1) {
429 dbg("alternative usage ignored");
430 return 0;
431 }
432
433 if (item->size <= 2)
434 data = (parser->global.usage_page << 16) + data;
435
436 return hid_add_usage(parser, data);
437
438 case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
439
440 if (parser->local.delimiter_branch > 1) {
441 dbg("alternative usage ignored");
442 return 0;
443 }
444
445 if (item->size <= 2)
446 data = (parser->global.usage_page << 16) + data;
447
448 parser->local.usage_minimum = data;
449 return 0;
450
451 case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
452
453 if (parser->local.delimiter_branch > 1) {
454 dbg("alternative usage ignored");
455 return 0;
456 }
457
458 if (item->size <= 2)
459 data = (parser->global.usage_page << 16) + data;
460
461 for (n = parser->local.usage_minimum; n <= data; n++)
462 if (hid_add_usage(parser, n)) {
463 dbg("hid_add_usage failed\n");
464 return -1;
465 }
466 return 0;
467
468 default:
469
470 dbg("unknown local item tag 0x%x", item->tag);
471 return 0;
472 }
473 return 0;
474 }
475
476 /*
477 * Process a main item.
478 */
479
480 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
481 {
482 __u32 data;
483 int ret;
484
485 data = item_udata(item);
486
487 switch (item->tag) {
488 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
489 ret = open_collection(parser, data & 0xff);
490 break;
491 case HID_MAIN_ITEM_TAG_END_COLLECTION:
492 ret = close_collection(parser);
493 break;
494 case HID_MAIN_ITEM_TAG_INPUT:
495 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
496 break;
497 case HID_MAIN_ITEM_TAG_OUTPUT:
498 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
499 break;
500 case HID_MAIN_ITEM_TAG_FEATURE:
501 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
502 break;
503 default:
504 dbg("unknown main item tag 0x%x", item->tag);
505 ret = 0;
506 }
507
508 memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */
509
510 return ret;
511 }
512
513 /*
514 * Process a reserved item.
515 */
516
517 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
518 {
519 dbg("reserved item type, tag 0x%x", item->tag);
520 return 0;
521 }
522
523 /*
524 * Free a report and all registered fields. The field->usage and
525 * field->value table's are allocated behind the field, so we need
526 * only to free(field) itself.
527 */
528
529 static void hid_free_report(struct hid_report *report)
530 {
531 unsigned n;
532
533 for (n = 0; n < report->maxfield; n++)
534 kfree(report->field[n]);
535 kfree(report);
536 }
537
538 /*
539 * Free a device structure, all reports, and all fields.
540 */
541
542 static void hid_free_device(struct hid_device *device)
543 {
544 unsigned i,j;
545
546 hid_ff_exit(device);
547
548 for (i = 0; i < HID_REPORT_TYPES; i++) {
549 struct hid_report_enum *report_enum = device->report_enum + i;
550
551 for (j = 0; j < 256; j++) {
552 struct hid_report *report = report_enum->report_id_hash[j];
553 if (report)
554 hid_free_report(report);
555 }
556 }
557
558 kfree(device->rdesc);
559 kfree(device);
560 }
561
562 /*
563 * Fetch a report description item from the data stream. We support long
564 * items, though they are not used yet.
565 */
566
567 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
568 {
569 u8 b;
570
571 if ((end - start) <= 0)
572 return NULL;
573
574 b = *start++;
575
576 item->type = (b >> 2) & 3;
577 item->tag = (b >> 4) & 15;
578
579 if (item->tag == HID_ITEM_TAG_LONG) {
580
581 item->format = HID_ITEM_FORMAT_LONG;
582
583 if ((end - start) < 2)
584 return NULL;
585
586 item->size = *start++;
587 item->tag = *start++;
588
589 if ((end - start) < item->size)
590 return NULL;
591
592 item->data.longdata = start;
593 start += item->size;
594 return start;
595 }
596
597 item->format = HID_ITEM_FORMAT_SHORT;
598 item->size = b & 3;
599
600 switch (item->size) {
601
602 case 0:
603 return start;
604
605 case 1:
606 if ((end - start) < 1)
607 return NULL;
608 item->data.u8 = *start++;
609 return start;
610
611 case 2:
612 if ((end - start) < 2)
613 return NULL;
614 item->data.u16 = le16_to_cpu(get_unaligned((__le16*)start));
615 start = (__u8 *)((__le16 *)start + 1);
616 return start;
617
618 case 3:
619 item->size++;
620 if ((end - start) < 4)
621 return NULL;
622 item->data.u32 = le32_to_cpu(get_unaligned((__le32*)start));
623 start = (__u8 *)((__le32 *)start + 1);
624 return start;
625 }
626
627 return NULL;
628 }
629
630 /*
631 * Parse a report description into a hid_device structure. Reports are
632 * enumerated, fields are attached to these reports.
633 */
634
635 static struct hid_device *hid_parse_report(__u8 *start, unsigned size)
636 {
637 struct hid_device *device;
638 struct hid_parser *parser;
639 struct hid_item item;
640 __u8 *end;
641 unsigned i;
642 static int (*dispatch_type[])(struct hid_parser *parser,
643 struct hid_item *item) = {
644 hid_parser_main,
645 hid_parser_global,
646 hid_parser_local,
647 hid_parser_reserved
648 };
649
650 if (!(device = kzalloc(sizeof(struct hid_device), GFP_KERNEL)))
651 return NULL;
652
653 if (!(device->collection = kzalloc(sizeof(struct hid_collection) *
654 HID_DEFAULT_NUM_COLLECTIONS, GFP_KERNEL))) {
655 kfree(device);
656 return NULL;
657 }
658 device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
659
660 for (i = 0; i < HID_REPORT_TYPES; i++)
661 INIT_LIST_HEAD(&device->report_enum[i].report_list);
662
663 if (!(device->rdesc = (__u8 *)kmalloc(size, GFP_KERNEL))) {
664 kfree(device->collection);
665 kfree(device);
666 return NULL;
667 }
668 memcpy(device->rdesc, start, size);
669 device->rsize = size;
670
671 if (!(parser = kzalloc(sizeof(struct hid_parser), GFP_KERNEL))) {
672 kfree(device->rdesc);
673 kfree(device->collection);
674 kfree(device);
675 return NULL;
676 }
677 parser->device = device;
678
679 end = start + size;
680 while ((start = fetch_item(start, end, &item)) != NULL) {
681
682 if (item.format != HID_ITEM_FORMAT_SHORT) {
683 dbg("unexpected long global item");
684 kfree(device->collection);
685 hid_free_device(device);
686 kfree(parser);
687 return NULL;
688 }
689
690 if (dispatch_type[item.type](parser, &item)) {
691 dbg("item %u %u %u %u parsing failed\n",
692 item.format, (unsigned)item.size, (unsigned)item.type, (unsigned)item.tag);
693 kfree(device->collection);
694 hid_free_device(device);
695 kfree(parser);
696 return NULL;
697 }
698
699 if (start == end) {
700 if (parser->collection_stack_ptr) {
701 dbg("unbalanced collection at end of report description");
702 kfree(device->collection);
703 hid_free_device(device);
704 kfree(parser);
705 return NULL;
706 }
707 if (parser->local.delimiter_depth) {
708 dbg("unbalanced delimiter at end of report description");
709 kfree(device->collection);
710 hid_free_device(device);
711 kfree(parser);
712 return NULL;
713 }
714 kfree(parser);
715 return device;
716 }
717 }
718
719 dbg("item fetching failed at offset %d\n", (int)(end - start));
720 kfree(device->collection);
721 hid_free_device(device);
722 kfree(parser);
723 return NULL;
724 }
725
726 /*
727 * Convert a signed n-bit integer to signed 32-bit integer. Common
728 * cases are done through the compiler, the screwed things has to be
729 * done by hand.
730 */
731
732 static __inline__ __s32 snto32(__u32 value, unsigned n)
733 {
734 switch (n) {
735 case 8: return ((__s8)value);
736 case 16: return ((__s16)value);
737 case 32: return ((__s32)value);
738 }
739 return value & (1 << (n - 1)) ? value | (-1 << n) : value;
740 }
741
742 /*
743 * Convert a signed 32-bit integer to a signed n-bit integer.
744 */
745
746 static __inline__ __u32 s32ton(__s32 value, unsigned n)
747 {
748 __s32 a = value >> (n - 1);
749 if (a && a != -1)
750 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
751 return value & ((1 << n) - 1);
752 }
753
754 /*
755 * Extract/implement a data field from/to a report.
756 */
757
758 static __inline__ __u32 extract(__u8 *report, unsigned offset, unsigned n)
759 {
760 report += (offset >> 5) << 2; offset &= 31;
761 return (le64_to_cpu(get_unaligned((__le64*)report)) >> offset) & ((1ULL << n) - 1);
762 }
763
764 static __inline__ void implement(__u8 *report, unsigned offset, unsigned n, __u32 value)
765 {
766 report += (offset >> 5) << 2; offset &= 31;
767 put_unaligned((get_unaligned((__le64*)report)
768 & cpu_to_le64(~((((__u64) 1 << n) - 1) << offset)))
769 | cpu_to_le64((__u64)value << offset), (__le64*)report);
770 }
771
772 /*
773 * Search an array for a value.
774 */
775
776 static __inline__ int search(__s32 *array, __s32 value, unsigned n)
777 {
778 while (n--) {
779 if (*array++ == value)
780 return 0;
781 }
782 return -1;
783 }
784
785 static void hid_process_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value, int interrupt, struct pt_regs *regs)
786 {
787 hid_dump_input(usage, value);
788 if (hid->claimed & HID_CLAIMED_INPUT)
789 hidinput_hid_event(hid, field, usage, value, regs);
790 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt)
791 hiddev_hid_event(hid, field, usage, value, regs);
792 }
793
794 /*
795 * Analyse a received field, and fetch the data from it. The field
796 * content is stored for next report processing (we do differential
797 * reporting to the layer).
798 */
799
800 static void hid_input_field(struct hid_device *hid, struct hid_field *field, __u8 *data, int interrupt, struct pt_regs *regs)
801 {
802 unsigned n;
803 unsigned count = field->report_count;
804 unsigned offset = field->report_offset;
805 unsigned size = field->report_size;
806 __s32 min = field->logical_minimum;
807 __s32 max = field->logical_maximum;
808 __s32 *value;
809
810 if (!(value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC)))
811 return;
812
813 for (n = 0; n < count; n++) {
814
815 value[n] = min < 0 ? snto32(extract(data, offset + n * size, size), size) :
816 extract(data, offset + n * size, size);
817
818 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) /* Ignore report if ErrorRollOver */
819 && value[n] >= min && value[n] <= max
820 && field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
821 goto exit;
822 }
823
824 for (n = 0; n < count; n++) {
825
826 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
827 hid_process_event(hid, field, &field->usage[n], value[n], interrupt, regs);
828 continue;
829 }
830
831 if (field->value[n] >= min && field->value[n] <= max
832 && field->usage[field->value[n] - min].hid
833 && search(value, field->value[n], count))
834 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt, regs);
835
836 if (value[n] >= min && value[n] <= max
837 && field->usage[value[n] - min].hid
838 && search(field->value, value[n], count))
839 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt, regs);
840 }
841
842 memcpy(field->value, value, count * sizeof(__s32));
843 exit:
844 kfree(value);
845 }
846
847 static int hid_input_report(int type, struct urb *urb, int interrupt, struct pt_regs *regs)
848 {
849 struct hid_device *hid = urb->context;
850 struct hid_report_enum *report_enum = hid->report_enum + type;
851 u8 *data = urb->transfer_buffer;
852 int len = urb->actual_length;
853 struct hid_report *report;
854 int n, size;
855
856 if (!len) {
857 dbg("empty report");
858 return -1;
859 }
860
861 #ifdef DEBUG_DATA
862 printk(KERN_DEBUG __FILE__ ": report (size %u) (%snumbered)\n", len, report_enum->numbered ? "" : "un");
863 #endif
864
865 n = 0; /* Normally report number is 0 */
866 if (report_enum->numbered) { /* Device uses numbered reports, data[0] is report number */
867 n = *data++;
868 len--;
869 }
870
871 #ifdef DEBUG_DATA
872 {
873 int i;
874 printk(KERN_DEBUG __FILE__ ": report %d (size %u) = ", n, len);
875 for (i = 0; i < len; i++)
876 printk(" %02x", data[i]);
877 printk("\n");
878 }
879 #endif
880
881 if (!(report = report_enum->report_id_hash[n])) {
882 dbg("undefined report_id %d received", n);
883 return -1;
884 }
885
886 size = ((report->size - 1) >> 3) + 1;
887
888 if (len < size) {
889 dbg("report %d is too short, (%d < %d)", report->id, len, size);
890 memset(data + len, 0, size - len);
891 }
892
893 if (hid->claimed & HID_CLAIMED_HIDDEV)
894 hiddev_report_event(hid, report);
895
896 for (n = 0; n < report->maxfield; n++)
897 hid_input_field(hid, report->field[n], data, interrupt, regs);
898
899 if (hid->claimed & HID_CLAIMED_INPUT)
900 hidinput_report_event(hid, report);
901
902 return 0;
903 }
904
905 /*
906 * Input submission and I/O error handler.
907 */
908
909 static void hid_io_error(struct hid_device *hid);
910
911 /* Start up the input URB */
912 static int hid_start_in(struct hid_device *hid)
913 {
914 unsigned long flags;
915 int rc = 0;
916
917 spin_lock_irqsave(&hid->inlock, flags);
918 if (hid->open > 0 && !test_bit(HID_SUSPENDED, &hid->iofl) &&
919 !test_and_set_bit(HID_IN_RUNNING, &hid->iofl)) {
920 rc = usb_submit_urb(hid->urbin, GFP_ATOMIC);
921 if (rc != 0)
922 clear_bit(HID_IN_RUNNING, &hid->iofl);
923 }
924 spin_unlock_irqrestore(&hid->inlock, flags);
925 return rc;
926 }
927
928 /* I/O retry timer routine */
929 static void hid_retry_timeout(unsigned long _hid)
930 {
931 struct hid_device *hid = (struct hid_device *) _hid;
932
933 dev_dbg(&hid->intf->dev, "retrying intr urb\n");
934 if (hid_start_in(hid))
935 hid_io_error(hid);
936 }
937
938 /* Workqueue routine to reset the device */
939 static void hid_reset(void *_hid)
940 {
941 struct hid_device *hid = (struct hid_device *) _hid;
942 int rc_lock, rc;
943
944 dev_dbg(&hid->intf->dev, "resetting device\n");
945 rc = rc_lock = usb_lock_device_for_reset(hid->dev, hid->intf);
946 if (rc_lock >= 0) {
947 rc = usb_reset_composite_device(hid->dev, hid->intf);
948 if (rc_lock)
949 usb_unlock_device(hid->dev);
950 }
951 clear_bit(HID_RESET_PENDING, &hid->iofl);
952
953 switch (rc) {
954 case 0:
955 if (!test_bit(HID_IN_RUNNING, &hid->iofl))
956 hid_io_error(hid);
957 break;
958 default:
959 err("can't reset device, %s-%s/input%d, status %d",
960 hid->dev->bus->bus_name,
961 hid->dev->devpath,
962 hid->ifnum, rc);
963 /* FALLTHROUGH */
964 case -EHOSTUNREACH:
965 case -ENODEV:
966 case -EINTR:
967 break;
968 }
969 }
970
971 /* Main I/O error handler */
972 static void hid_io_error(struct hid_device *hid)
973 {
974 unsigned long flags;
975
976 spin_lock_irqsave(&hid->inlock, flags);
977
978 /* Stop when disconnected */
979 if (usb_get_intfdata(hid->intf) == NULL)
980 goto done;
981
982 /* When an error occurs, retry at increasing intervals */
983 if (hid->retry_delay == 0) {
984 hid->retry_delay = 13; /* Then 26, 52, 104, 104, ... */
985 hid->stop_retry = jiffies + msecs_to_jiffies(1000);
986 } else if (hid->retry_delay < 100)
987 hid->retry_delay *= 2;
988
989 if (time_after(jiffies, hid->stop_retry)) {
990
991 /* Retries failed, so do a port reset */
992 if (!test_and_set_bit(HID_RESET_PENDING, &hid->iofl)) {
993 if (schedule_work(&hid->reset_work))
994 goto done;
995 clear_bit(HID_RESET_PENDING, &hid->iofl);
996 }
997 }
998
999 mod_timer(&hid->io_retry,
1000 jiffies + msecs_to_jiffies(hid->retry_delay));
1001 done:
1002 spin_unlock_irqrestore(&hid->inlock, flags);
1003 }
1004
1005 /*
1006 * Input interrupt completion handler.
1007 */
1008
1009 static void hid_irq_in(struct urb *urb, struct pt_regs *regs)
1010 {
1011 struct hid_device *hid = urb->context;
1012 int status;
1013
1014 switch (urb->status) {
1015 case 0: /* success */
1016 hid->retry_delay = 0;
1017 hid_input_report(HID_INPUT_REPORT, urb, 1, regs);
1018 break;
1019 case -ECONNRESET: /* unlink */
1020 case -ENOENT:
1021 case -ESHUTDOWN: /* unplug */
1022 clear_bit(HID_IN_RUNNING, &hid->iofl);
1023 return;
1024 case -EILSEQ: /* protocol error or unplug */
1025 case -EPROTO: /* protocol error or unplug */
1026 case -ETIME: /* protocol error or unplug */
1027 case -ETIMEDOUT: /* Should never happen, but... */
1028 clear_bit(HID_IN_RUNNING, &hid->iofl);
1029 hid_io_error(hid);
1030 return;
1031 default: /* error */
1032 warn("input irq status %d received", urb->status);
1033 }
1034
1035 status = usb_submit_urb(urb, SLAB_ATOMIC);
1036 if (status) {
1037 clear_bit(HID_IN_RUNNING, &hid->iofl);
1038 if (status != -EPERM) {
1039 err("can't resubmit intr, %s-%s/input%d, status %d",
1040 hid->dev->bus->bus_name,
1041 hid->dev->devpath,
1042 hid->ifnum, status);
1043 hid_io_error(hid);
1044 }
1045 }
1046 }
1047
1048 /*
1049 * Output the field into the report.
1050 */
1051
1052 static void hid_output_field(struct hid_field *field, __u8 *data)
1053 {
1054 unsigned count = field->report_count;
1055 unsigned offset = field->report_offset;
1056 unsigned size = field->report_size;
1057 unsigned n;
1058
1059 for (n = 0; n < count; n++) {
1060 if (field->logical_minimum < 0) /* signed values */
1061 implement(data, offset + n * size, size, s32ton(field->value[n], size));
1062 else /* unsigned values */
1063 implement(data, offset + n * size, size, field->value[n]);
1064 }
1065 }
1066
1067 /*
1068 * Create a report.
1069 */
1070
1071 static void hid_output_report(struct hid_report *report, __u8 *data)
1072 {
1073 unsigned n;
1074
1075 if (report->id > 0)
1076 *data++ = report->id;
1077
1078 for (n = 0; n < report->maxfield; n++)
1079 hid_output_field(report->field[n], data);
1080 }
1081
1082 /*
1083 * Set a field value. The report this field belongs to has to be
1084 * created and transferred to the device, to set this value in the
1085 * device.
1086 */
1087
1088 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1089 {
1090 unsigned size = field->report_size;
1091
1092 hid_dump_input(field->usage + offset, value);
1093
1094 if (offset >= field->report_count) {
1095 dbg("offset (%d) exceeds report_count (%d)", offset, field->report_count);
1096 hid_dump_field(field, 8);
1097 return -1;
1098 }
1099 if (field->logical_minimum < 0) {
1100 if (value != snto32(s32ton(value, size), size)) {
1101 dbg("value %d is out of range", value);
1102 return -1;
1103 }
1104 }
1105 field->value[offset] = value;
1106 return 0;
1107 }
1108
1109 /*
1110 * Find a report field with a specified HID usage.
1111 */
1112
1113 struct hid_field *hid_find_field_by_usage(struct hid_device *hid, __u32 wanted_usage, int type)
1114 {
1115 struct hid_report *report;
1116 int i;
1117
1118 list_for_each_entry(report, &hid->report_enum[type].report_list, list)
1119 for (i = 0; i < report->maxfield; i++)
1120 if (report->field[i]->logical == wanted_usage)
1121 return report->field[i];
1122 return NULL;
1123 }
1124
1125 static int hid_submit_out(struct hid_device *hid)
1126 {
1127 struct hid_report *report;
1128
1129 report = hid->out[hid->outtail];
1130
1131 hid_output_report(report, hid->outbuf);
1132 hid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0);
1133 hid->urbout->dev = hid->dev;
1134
1135 dbg("submitting out urb");
1136
1137 if (usb_submit_urb(hid->urbout, GFP_ATOMIC)) {
1138 err("usb_submit_urb(out) failed");
1139 return -1;
1140 }
1141
1142 return 0;
1143 }
1144
1145 static int hid_submit_ctrl(struct hid_device *hid)
1146 {
1147 struct hid_report *report;
1148 unsigned char dir;
1149 int len;
1150
1151 report = hid->ctrl[hid->ctrltail].report;
1152 dir = hid->ctrl[hid->ctrltail].dir;
1153
1154 len = ((report->size - 1) >> 3) + 1 + (report->id > 0);
1155 if (dir == USB_DIR_OUT) {
1156 hid_output_report(report, hid->ctrlbuf);
1157 hid->urbctrl->pipe = usb_sndctrlpipe(hid->dev, 0);
1158 hid->urbctrl->transfer_buffer_length = len;
1159 } else {
1160 int maxpacket, padlen;
1161
1162 hid->urbctrl->pipe = usb_rcvctrlpipe(hid->dev, 0);
1163 maxpacket = usb_maxpacket(hid->dev, hid->urbctrl->pipe, 0);
1164 if (maxpacket > 0) {
1165 padlen = (len + maxpacket - 1) / maxpacket;
1166 padlen *= maxpacket;
1167 if (padlen > hid->bufsize)
1168 padlen = hid->bufsize;
1169 } else
1170 padlen = 0;
1171 hid->urbctrl->transfer_buffer_length = padlen;
1172 }
1173 hid->urbctrl->dev = hid->dev;
1174
1175 hid->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | dir;
1176 hid->cr->bRequest = (dir == USB_DIR_OUT) ? HID_REQ_SET_REPORT : HID_REQ_GET_REPORT;
1177 hid->cr->wValue = cpu_to_le16(((report->type + 1) << 8) | report->id);
1178 hid->cr->wIndex = cpu_to_le16(hid->ifnum);
1179 hid->cr->wLength = cpu_to_le16(len);
1180
1181 dbg("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u",
1182 hid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : "Get_Report",
1183 hid->cr->wValue, hid->cr->wIndex, hid->cr->wLength);
1184
1185 if (usb_submit_urb(hid->urbctrl, GFP_ATOMIC)) {
1186 err("usb_submit_urb(ctrl) failed");
1187 return -1;
1188 }
1189
1190 return 0;
1191 }
1192
1193 /*
1194 * Output interrupt completion handler.
1195 */
1196
1197 static void hid_irq_out(struct urb *urb, struct pt_regs *regs)
1198 {
1199 struct hid_device *hid = urb->context;
1200 unsigned long flags;
1201 int unplug = 0;
1202
1203 switch (urb->status) {
1204 case 0: /* success */
1205 break;
1206 case -ESHUTDOWN: /* unplug */
1207 unplug = 1;
1208 case -EILSEQ: /* protocol error or unplug */
1209 case -EPROTO: /* protocol error or unplug */
1210 case -ECONNRESET: /* unlink */
1211 case -ENOENT:
1212 break;
1213 default: /* error */
1214 warn("output irq status %d received", urb->status);
1215 }
1216
1217 spin_lock_irqsave(&hid->outlock, flags);
1218
1219 if (unplug)
1220 hid->outtail = hid->outhead;
1221 else
1222 hid->outtail = (hid->outtail + 1) & (HID_OUTPUT_FIFO_SIZE - 1);
1223
1224 if (hid->outhead != hid->outtail) {
1225 if (hid_submit_out(hid)) {
1226 clear_bit(HID_OUT_RUNNING, &hid->iofl);
1227 wake_up(&hid->wait);
1228 }
1229 spin_unlock_irqrestore(&hid->outlock, flags);
1230 return;
1231 }
1232
1233 clear_bit(HID_OUT_RUNNING, &hid->iofl);
1234 spin_unlock_irqrestore(&hid->outlock, flags);
1235 wake_up(&hid->wait);
1236 }
1237
1238 /*
1239 * Control pipe completion handler.
1240 */
1241
1242 static void hid_ctrl(struct urb *urb, struct pt_regs *regs)
1243 {
1244 struct hid_device *hid = urb->context;
1245 unsigned long flags;
1246 int unplug = 0;
1247
1248 spin_lock_irqsave(&hid->ctrllock, flags);
1249
1250 switch (urb->status) {
1251 case 0: /* success */
1252 if (hid->ctrl[hid->ctrltail].dir == USB_DIR_IN)
1253 hid_input_report(hid->ctrl[hid->ctrltail].report->type, urb, 0, regs);
1254 break;
1255 case -ESHUTDOWN: /* unplug */
1256 unplug = 1;
1257 case -EILSEQ: /* protocol error or unplug */
1258 case -EPROTO: /* protocol error or unplug */
1259 case -ECONNRESET: /* unlink */
1260 case -ENOENT:
1261 case -EPIPE: /* report not available */
1262 break;
1263 default: /* error */
1264 warn("ctrl urb status %d received", urb->status);
1265 }
1266
1267 if (unplug)
1268 hid->ctrltail = hid->ctrlhead;
1269 else
1270 hid->ctrltail = (hid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1);
1271
1272 if (hid->ctrlhead != hid->ctrltail) {
1273 if (hid_submit_ctrl(hid)) {
1274 clear_bit(HID_CTRL_RUNNING, &hid->iofl);
1275 wake_up(&hid->wait);
1276 }
1277 spin_unlock_irqrestore(&hid->ctrllock, flags);
1278 return;
1279 }
1280
1281 clear_bit(HID_CTRL_RUNNING, &hid->iofl);
1282 spin_unlock_irqrestore(&hid->ctrllock, flags);
1283 wake_up(&hid->wait);
1284 }
1285
1286 void hid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir)
1287 {
1288 int head;
1289 unsigned long flags;
1290
1291 if ((hid->quirks & HID_QUIRK_NOGET) && dir == USB_DIR_IN)
1292 return;
1293
1294 if (hid->urbout && dir == USB_DIR_OUT && report->type == HID_OUTPUT_REPORT) {
1295
1296 spin_lock_irqsave(&hid->outlock, flags);
1297
1298 if ((head = (hid->outhead + 1) & (HID_OUTPUT_FIFO_SIZE - 1)) == hid->outtail) {
1299 spin_unlock_irqrestore(&hid->outlock, flags);
1300 warn("output queue full");
1301 return;
1302 }
1303
1304 hid->out[hid->outhead] = report;
1305 hid->outhead = head;
1306
1307 if (!test_and_set_bit(HID_OUT_RUNNING, &hid->iofl))
1308 if (hid_submit_out(hid))
1309 clear_bit(HID_OUT_RUNNING, &hid->iofl);
1310
1311 spin_unlock_irqrestore(&hid->outlock, flags);
1312 return;
1313 }
1314
1315 spin_lock_irqsave(&hid->ctrllock, flags);
1316
1317 if ((head = (hid->ctrlhead + 1) & (HID_CONTROL_FIFO_SIZE - 1)) == hid->ctrltail) {
1318 spin_unlock_irqrestore(&hid->ctrllock, flags);
1319 warn("control queue full");
1320 return;
1321 }
1322
1323 hid->ctrl[hid->ctrlhead].report = report;
1324 hid->ctrl[hid->ctrlhead].dir = dir;
1325 hid->ctrlhead = head;
1326
1327 if (!test_and_set_bit(HID_CTRL_RUNNING, &hid->iofl))
1328 if (hid_submit_ctrl(hid))
1329 clear_bit(HID_CTRL_RUNNING, &hid->iofl);
1330
1331 spin_unlock_irqrestore(&hid->ctrllock, flags);
1332 }
1333
1334 int hid_wait_io(struct hid_device *hid)
1335 {
1336 if (!wait_event_timeout(hid->wait, (!test_bit(HID_CTRL_RUNNING, &hid->iofl) &&
1337 !test_bit(HID_OUT_RUNNING, &hid->iofl)),
1338 10*HZ)) {
1339 dbg("timeout waiting for ctrl or out queue to clear");
1340 return -1;
1341 }
1342
1343 return 0;
1344 }
1345
1346 static int hid_set_idle(struct usb_device *dev, int ifnum, int report, int idle)
1347 {
1348 return usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1349 HID_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE, (idle << 8) | report,
1350 ifnum, NULL, 0, USB_CTRL_SET_TIMEOUT);
1351 }
1352
1353 static int hid_get_class_descriptor(struct usb_device *dev, int ifnum,
1354 unsigned char type, void *buf, int size)
1355 {
1356 int result, retries = 4;
1357
1358 memset(buf,0,size); // Make sure we parse really received data
1359
1360 do {
1361 result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
1362 USB_REQ_GET_DESCRIPTOR, USB_RECIP_INTERFACE | USB_DIR_IN,
1363 (type << 8), ifnum, buf, size, USB_CTRL_GET_TIMEOUT);
1364 retries--;
1365 } while (result < size && retries);
1366 return result;
1367 }
1368
1369 int hid_open(struct hid_device *hid)
1370 {
1371 ++hid->open;
1372 if (hid_start_in(hid))
1373 hid_io_error(hid);
1374 return 0;
1375 }
1376
1377 void hid_close(struct hid_device *hid)
1378 {
1379 if (!--hid->open)
1380 usb_kill_urb(hid->urbin);
1381 }
1382
1383 #define USB_VENDOR_ID_PANJIT 0x134c
1384
1385 /*
1386 * Initialize all reports
1387 */
1388
1389 void hid_init_reports(struct hid_device *hid)
1390 {
1391 struct hid_report *report;
1392 int err, ret;
1393
1394 list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list)
1395 hid_submit_report(hid, report, USB_DIR_IN);
1396
1397 list_for_each_entry(report, &hid->report_enum[HID_FEATURE_REPORT].report_list, list)
1398 hid_submit_report(hid, report, USB_DIR_IN);
1399
1400 err = 0;
1401 ret = hid_wait_io(hid);
1402 while (ret) {
1403 err |= ret;
1404 if (test_bit(HID_CTRL_RUNNING, &hid->iofl))
1405 usb_kill_urb(hid->urbctrl);
1406 if (test_bit(HID_OUT_RUNNING, &hid->iofl))
1407 usb_kill_urb(hid->urbout);
1408 ret = hid_wait_io(hid);
1409 }
1410
1411 if (err)
1412 warn("timeout initializing reports");
1413 }
1414
1415 #define USB_VENDOR_ID_GTCO 0x078c
1416 #define USB_DEVICE_ID_GTCO_90 0x0090
1417 #define USB_DEVICE_ID_GTCO_100 0x0100
1418 #define USB_DEVICE_ID_GTCO_101 0x0101
1419 #define USB_DEVICE_ID_GTCO_103 0x0103
1420 #define USB_DEVICE_ID_GTCO_104 0x0104
1421 #define USB_DEVICE_ID_GTCO_105 0x0105
1422 #define USB_DEVICE_ID_GTCO_106 0x0106
1423 #define USB_DEVICE_ID_GTCO_107 0x0107
1424 #define USB_DEVICE_ID_GTCO_108 0x0108
1425 #define USB_DEVICE_ID_GTCO_200 0x0200
1426 #define USB_DEVICE_ID_GTCO_201 0x0201
1427 #define USB_DEVICE_ID_GTCO_202 0x0202
1428 #define USB_DEVICE_ID_GTCO_203 0x0203
1429 #define USB_DEVICE_ID_GTCO_204 0x0204
1430 #define USB_DEVICE_ID_GTCO_205 0x0205
1431 #define USB_DEVICE_ID_GTCO_206 0x0206
1432 #define USB_DEVICE_ID_GTCO_207 0x0207
1433 #define USB_DEVICE_ID_GTCO_300 0x0300
1434 #define USB_DEVICE_ID_GTCO_301 0x0301
1435 #define USB_DEVICE_ID_GTCO_302 0x0302
1436 #define USB_DEVICE_ID_GTCO_303 0x0303
1437 #define USB_DEVICE_ID_GTCO_304 0x0304
1438 #define USB_DEVICE_ID_GTCO_305 0x0305
1439 #define USB_DEVICE_ID_GTCO_306 0x0306
1440 #define USB_DEVICE_ID_GTCO_307 0x0307
1441 #define USB_DEVICE_ID_GTCO_308 0x0308
1442 #define USB_DEVICE_ID_GTCO_309 0x0309
1443 #define USB_DEVICE_ID_GTCO_400 0x0400
1444 #define USB_DEVICE_ID_GTCO_401 0x0401
1445 #define USB_DEVICE_ID_GTCO_402 0x0402
1446 #define USB_DEVICE_ID_GTCO_403 0x0403
1447 #define USB_DEVICE_ID_GTCO_404 0x0404
1448 #define USB_DEVICE_ID_GTCO_405 0x0405
1449 #define USB_DEVICE_ID_GTCO_500 0x0500
1450 #define USB_DEVICE_ID_GTCO_501 0x0501
1451 #define USB_DEVICE_ID_GTCO_502 0x0502
1452 #define USB_DEVICE_ID_GTCO_503 0x0503
1453 #define USB_DEVICE_ID_GTCO_504 0x0504
1454 #define USB_DEVICE_ID_GTCO_1000 0x1000
1455 #define USB_DEVICE_ID_GTCO_1001 0x1001
1456 #define USB_DEVICE_ID_GTCO_1002 0x1002
1457 #define USB_DEVICE_ID_GTCO_1003 0x1003
1458 #define USB_DEVICE_ID_GTCO_1004 0x1004
1459 #define USB_DEVICE_ID_GTCO_1005 0x1005
1460 #define USB_DEVICE_ID_GTCO_1006 0x1006
1461
1462 #define USB_VENDOR_ID_WACOM 0x056a
1463
1464 #define USB_VENDOR_ID_ACECAD 0x0460
1465 #define USB_DEVICE_ID_ACECAD_FLAIR 0x0004
1466 #define USB_DEVICE_ID_ACECAD_302 0x0008
1467
1468 #define USB_VENDOR_ID_KBGEAR 0x084e
1469 #define USB_DEVICE_ID_KBGEAR_JAMSTUDIO 0x1001
1470
1471 #define USB_VENDOR_ID_AIPTEK 0x08ca
1472 #define USB_DEVICE_ID_AIPTEK_01 0x0001
1473 #define USB_DEVICE_ID_AIPTEK_10 0x0010
1474 #define USB_DEVICE_ID_AIPTEK_20 0x0020
1475 #define USB_DEVICE_ID_AIPTEK_21 0x0021
1476 #define USB_DEVICE_ID_AIPTEK_22 0x0022
1477 #define USB_DEVICE_ID_AIPTEK_23 0x0023
1478 #define USB_DEVICE_ID_AIPTEK_24 0x0024
1479
1480 #define USB_VENDOR_ID_GRIFFIN 0x077d
1481 #define USB_DEVICE_ID_POWERMATE 0x0410
1482 #define USB_DEVICE_ID_SOUNDKNOB 0x04AA
1483
1484 #define USB_VENDOR_ID_ATEN 0x0557
1485 #define USB_DEVICE_ID_ATEN_UC100KM 0x2004
1486 #define USB_DEVICE_ID_ATEN_CS124U 0x2202
1487 #define USB_DEVICE_ID_ATEN_2PORTKVM 0x2204
1488 #define USB_DEVICE_ID_ATEN_4PORTKVM 0x2205
1489 #define USB_DEVICE_ID_ATEN_4PORTKVMC 0x2208
1490
1491 #define USB_VENDOR_ID_TOPMAX 0x0663
1492 #define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103
1493
1494 #define USB_VENDOR_ID_HAPP 0x078b
1495 #define USB_DEVICE_ID_UGCI_DRIVING 0x0010
1496 #define USB_DEVICE_ID_UGCI_FLYING 0x0020
1497 #define USB_DEVICE_ID_UGCI_FIGHTING 0x0030
1498
1499 #define USB_VENDOR_ID_MGE 0x0463
1500 #define USB_DEVICE_ID_MGE_UPS 0xffff
1501 #define USB_DEVICE_ID_MGE_UPS1 0x0001
1502
1503 #define USB_VENDOR_ID_ONTRAK 0x0a07
1504 #define USB_DEVICE_ID_ONTRAK_ADU100 0x0064
1505
1506 #define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f
1507 #define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
1508
1509 #define USB_VENDOR_ID_A4TECH 0x09da
1510 #define USB_DEVICE_ID_A4TECH_WCP32PU 0x0006
1511
1512 #define USB_VENDOR_ID_AASHIMA 0x06d6
1513 #define USB_DEVICE_ID_AASHIMA_GAMEPAD 0x0025
1514 #define USB_DEVICE_ID_AASHIMA_PREDATOR 0x0026
1515
1516 #define USB_VENDOR_ID_CYPRESS 0x04b4
1517 #define USB_DEVICE_ID_CYPRESS_MOUSE 0x0001
1518 #define USB_DEVICE_ID_CYPRESS_HIDCOM 0x5500
1519 #define USB_DEVICE_ID_CYPRESS_ULTRAMOUSE 0x7417
1520
1521 #define USB_VENDOR_ID_BERKSHIRE 0x0c98
1522 #define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140
1523
1524 #define USB_VENDOR_ID_ALPS 0x0433
1525 #define USB_DEVICE_ID_IBM_GAMEPAD 0x1101
1526
1527 #define USB_VENDOR_ID_SAITEK 0x06a3
1528 #define USB_DEVICE_ID_SAITEK_RUMBLEPAD 0xff17
1529
1530 #define USB_VENDOR_ID_NEC 0x073e
1531 #define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301
1532
1533 #define USB_VENDOR_ID_CHIC 0x05fe
1534 #define USB_DEVICE_ID_CHIC_GAMEPAD 0x0014
1535
1536 #define USB_VENDOR_ID_GLAB 0x06c2
1537 #define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038
1538 #define USB_DEVICE_ID_1_PHIDGETSERVO_30 0x0039
1539 #define USB_DEVICE_ID_0_0_4_IF_KIT 0x0040
1540 #define USB_DEVICE_ID_0_16_16_IF_KIT 0x0044
1541 #define USB_DEVICE_ID_8_8_8_IF_KIT 0x0045
1542 #define USB_DEVICE_ID_0_8_7_IF_KIT 0x0051
1543 #define USB_DEVICE_ID_0_8_8_IF_KIT 0x0053
1544 #define USB_DEVICE_ID_PHIDGET_MOTORCONTROL 0x0058
1545
1546 #define USB_VENDOR_ID_WISEGROUP 0x0925
1547 #define USB_DEVICE_ID_1_PHIDGETSERVO_20 0x8101
1548 #define USB_DEVICE_ID_4_PHIDGETSERVO_20 0x8104
1549 #define USB_DEVICE_ID_8_8_4_IF_KIT 0x8201
1550 #define USB_DEVICE_ID_DUAL_USB_JOYPAD 0x8866
1551
1552 #define USB_VENDOR_ID_WISEGROUP_LTD 0x6677
1553 #define USB_DEVICE_ID_SMARTJOY_DUAL_PLUS 0x8802
1554
1555 #define USB_VENDOR_ID_CODEMERCS 0x07c0
1556 #define USB_DEVICE_ID_CODEMERCS_IOW40 0x1500
1557 #define USB_DEVICE_ID_CODEMERCS_IOW24 0x1501
1558 #define USB_DEVICE_ID_CODEMERCS_IOW48 0x1502
1559 #define USB_DEVICE_ID_CODEMERCS_IOW28 0x1503
1560
1561 #define USB_VENDOR_ID_DELORME 0x1163
1562 #define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100
1563 #define USB_DEVICE_ID_DELORME_EM_LT20 0x0200
1564
1565 #define USB_VENDOR_ID_MCC 0x09db
1566 #define USB_DEVICE_ID_MCC_PMD1024LS 0x0076
1567 #define USB_DEVICE_ID_MCC_PMD1208LS 0x007a
1568
1569 #define USB_VENDOR_ID_VERNIER 0x08f7
1570 #define USB_DEVICE_ID_VERNIER_LABPRO 0x0001
1571 #define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002
1572 #define USB_DEVICE_ID_VERNIER_SKIP 0x0003
1573 #define USB_DEVICE_ID_VERNIER_CYCLOPS 0x0004
1574
1575 #define USB_VENDOR_ID_LD 0x0f11
1576 #define USB_DEVICE_ID_LD_CASSY 0x1000
1577 #define USB_DEVICE_ID_LD_POCKETCASSY 0x1010
1578 #define USB_DEVICE_ID_LD_MOBILECASSY 0x1020
1579 #define USB_DEVICE_ID_LD_JWM 0x1080
1580 #define USB_DEVICE_ID_LD_DMMP 0x1081
1581 #define USB_DEVICE_ID_LD_UMIP 0x1090
1582 #define USB_DEVICE_ID_LD_XRAY1 0x1100
1583 #define USB_DEVICE_ID_LD_XRAY2 0x1101
1584 #define USB_DEVICE_ID_LD_VIDEOCOM 0x1200
1585 #define USB_DEVICE_ID_LD_COM3LAB 0x2000
1586 #define USB_DEVICE_ID_LD_TELEPORT 0x2010
1587 #define USB_DEVICE_ID_LD_NETWORKANALYSER 0x2020
1588 #define USB_DEVICE_ID_LD_POWERCONTROL 0x2030
1589 #define USB_DEVICE_ID_LD_MACHINETEST 0x2040
1590
1591 #define USB_VENDOR_ID_APPLE 0x05ac
1592 #define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304
1593
1594 #define USB_VENDOR_ID_CHERRY 0x046a
1595 #define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023
1596
1597 #define USB_VENDOR_ID_YEALINK 0x6993
1598 #define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K 0xb001
1599
1600 #define USB_VENDOR_ID_ALCOR 0x058f
1601 #define USB_DEVICE_ID_ALCOR_USBRS232 0x9720
1602
1603 #define USB_VENDOR_ID_SUN 0x0430
1604 #define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab
1605
1606 /*
1607 * Alphabetically sorted blacklist by quirk type.
1608 */
1609
1610 static const struct hid_blacklist {
1611 __u16 idVendor;
1612 __u16 idProduct;
1613 unsigned quirks;
1614 } hid_blacklist[] = {
1615
1616 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01, HID_QUIRK_IGNORE },
1617 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10, HID_QUIRK_IGNORE },
1618 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20, HID_QUIRK_IGNORE },
1619 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21, HID_QUIRK_IGNORE },
1620 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22, HID_QUIRK_IGNORE },
1621 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23, HID_QUIRK_IGNORE },
1622 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24, HID_QUIRK_IGNORE },
1623 { USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232, HID_QUIRK_IGNORE },
1624 { USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD, HID_QUIRK_IGNORE },
1625 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW40, HID_QUIRK_IGNORE },
1626 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW24, HID_QUIRK_IGNORE },
1627 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW48, HID_QUIRK_IGNORE },
1628 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW28, HID_QUIRK_IGNORE },
1629 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM, HID_QUIRK_IGNORE },
1630 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE, HID_QUIRK_IGNORE },
1631 { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE, HID_QUIRK_IGNORE },
1632 { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20, HID_QUIRK_IGNORE },
1633 { USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5, HID_QUIRK_IGNORE },
1634 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
1635 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
1636 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT, HID_QUIRK_IGNORE },
1637 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT, HID_QUIRK_IGNORE },
1638 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT, HID_QUIRK_IGNORE },
1639 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT, HID_QUIRK_IGNORE },
1640 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT, HID_QUIRK_IGNORE },
1641 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL, HID_QUIRK_IGNORE },
1642 { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE, HID_QUIRK_IGNORE },
1643 { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB, HID_QUIRK_IGNORE },
1644 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90, HID_QUIRK_IGNORE },
1645 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100, HID_QUIRK_IGNORE },
1646 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101, HID_QUIRK_IGNORE },
1647 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103, HID_QUIRK_IGNORE },
1648 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104, HID_QUIRK_IGNORE },
1649 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105, HID_QUIRK_IGNORE },
1650 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106, HID_QUIRK_IGNORE },
1651 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107, HID_QUIRK_IGNORE },
1652 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108, HID_QUIRK_IGNORE },
1653 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200, HID_QUIRK_IGNORE },
1654 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201, HID_QUIRK_IGNORE },
1655 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202, HID_QUIRK_IGNORE },
1656 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203, HID_QUIRK_IGNORE },
1657 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204, HID_QUIRK_IGNORE },
1658 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205, HID_QUIRK_IGNORE },
1659 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206, HID_QUIRK_IGNORE },
1660 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207, HID_QUIRK_IGNORE },
1661 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300, HID_QUIRK_IGNORE },
1662 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301, HID_QUIRK_IGNORE },
1663 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302, HID_QUIRK_IGNORE },
1664 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303, HID_QUIRK_IGNORE },
1665 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304, HID_QUIRK_IGNORE },
1666 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305, HID_QUIRK_IGNORE },
1667 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306, HID_QUIRK_IGNORE },
1668 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307, HID_QUIRK_IGNORE },
1669 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308, HID_QUIRK_IGNORE },
1670 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309, HID_QUIRK_IGNORE },
1671 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400, HID_QUIRK_IGNORE },
1672 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401, HID_QUIRK_IGNORE },
1673 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402, HID_QUIRK_IGNORE },
1674 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403, HID_QUIRK_IGNORE },
1675 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404, HID_QUIRK_IGNORE },
1676 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405, HID_QUIRK_IGNORE },
1677 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500, HID_QUIRK_IGNORE },
1678 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501, HID_QUIRK_IGNORE },
1679 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502, HID_QUIRK_IGNORE },
1680 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503, HID_QUIRK_IGNORE },
1681 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504, HID_QUIRK_IGNORE },
1682 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000, HID_QUIRK_IGNORE },
1683 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001, HID_QUIRK_IGNORE },
1684 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002, HID_QUIRK_IGNORE },
1685 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003, HID_QUIRK_IGNORE },
1686 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004, HID_QUIRK_IGNORE },
1687 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005, HID_QUIRK_IGNORE },
1688 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006, HID_QUIRK_IGNORE },
1689 { USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO, HID_QUIRK_IGNORE },
1690 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY, HID_QUIRK_IGNORE },
1691 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY, HID_QUIRK_IGNORE },
1692 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY, HID_QUIRK_IGNORE },
1693 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM, HID_QUIRK_IGNORE },
1694 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP, HID_QUIRK_IGNORE },
1695 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP, HID_QUIRK_IGNORE },
1696 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY1, HID_QUIRK_IGNORE },
1697 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2, HID_QUIRK_IGNORE },
1698 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM, HID_QUIRK_IGNORE },
1699 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB, HID_QUIRK_IGNORE },
1700 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT, HID_QUIRK_IGNORE },
1701 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER, HID_QUIRK_IGNORE },
1702 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL, HID_QUIRK_IGNORE },
1703 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST, HID_QUIRK_IGNORE },
1704 { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS, HID_QUIRK_IGNORE },
1705 { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS, HID_QUIRK_IGNORE },
1706 { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_IGNORE },
1707 { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1, HID_QUIRK_IGNORE },
1708 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100, HID_QUIRK_IGNORE },
1709 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20, HID_QUIRK_IGNORE },
1710 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30, HID_QUIRK_IGNORE },
1711 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100, HID_QUIRK_IGNORE },
1712 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108, HID_QUIRK_IGNORE },
1713 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118, HID_QUIRK_IGNORE },
1714 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200, HID_QUIRK_IGNORE },
1715 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300, HID_QUIRK_IGNORE },
1716 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400, HID_QUIRK_IGNORE },
1717 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500, HID_QUIRK_IGNORE },
1718 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO, HID_QUIRK_IGNORE },
1719 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP, HID_QUIRK_IGNORE },
1720 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP, HID_QUIRK_IGNORE },
1721 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS, HID_QUIRK_IGNORE },
1722 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
1723 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
1724 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT, HID_QUIRK_IGNORE },
1725 { USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K, HID_QUIRK_IGNORE },
1726
1727 { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR, HID_QUIRK_IGNORE },
1728 { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302, HID_QUIRK_IGNORE },
1729
1730 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
1731 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
1732 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
1733 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
1734 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
1735 { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
1736 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
1737 { USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
1738
1739 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE, HID_QUIRK_MIGHTYMOUSE | HID_QUIRK_INVERT_HWHEEL },
1740 { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 },
1741 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 },
1742
1743 { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD },
1744 { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
1745 { USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD },
1746 { USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD },
1747 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
1748 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
1749 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
1750 { USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD },
1751 { USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD },
1752 { USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD },
1753
1754 { USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_CYMOTION },
1755
1756 { USB_VENDOR_ID_APPLE, 0x020E, HID_QUIRK_POWERBOOK_HAS_FN },
1757 { USB_VENDOR_ID_APPLE, 0x020F, HID_QUIRK_POWERBOOK_HAS_FN },
1758 { USB_VENDOR_ID_APPLE, 0x0214, HID_QUIRK_POWERBOOK_HAS_FN },
1759 { USB_VENDOR_ID_APPLE, 0x0215, HID_QUIRK_POWERBOOK_HAS_FN },
1760 { USB_VENDOR_ID_APPLE, 0x0216, HID_QUIRK_POWERBOOK_HAS_FN },
1761 { USB_VENDOR_ID_APPLE, 0x0217, HID_QUIRK_POWERBOOK_HAS_FN },
1762 { USB_VENDOR_ID_APPLE, 0x0218, HID_QUIRK_POWERBOOK_HAS_FN },
1763 { USB_VENDOR_ID_APPLE, 0x0219, HID_QUIRK_POWERBOOK_HAS_FN },
1764 { USB_VENDOR_ID_APPLE, 0x030A, HID_QUIRK_POWERBOOK_HAS_FN },
1765 { USB_VENDOR_ID_APPLE, 0x030B, HID_QUIRK_POWERBOOK_HAS_FN },
1766
1767 { USB_VENDOR_ID_PANJIT, 0x0001, HID_QUIRK_IGNORE },
1768 { USB_VENDOR_ID_PANJIT, 0x0002, HID_QUIRK_IGNORE },
1769 { USB_VENDOR_ID_PANJIT, 0x0003, HID_QUIRK_IGNORE },
1770 { USB_VENDOR_ID_PANJIT, 0x0004, HID_QUIRK_IGNORE },
1771
1772 { 0, 0 }
1773 };
1774
1775 /*
1776 * Traverse the supplied list of reports and find the longest
1777 */
1778 static void hid_find_max_report(struct hid_device *hid, unsigned int type, int *max)
1779 {
1780 struct hid_report *report;
1781 int size;
1782
1783 list_for_each_entry(report, &hid->report_enum[type].report_list, list) {
1784 size = ((report->size - 1) >> 3) + 1;
1785 if (type == HID_INPUT_REPORT && hid->report_enum[type].numbered)
1786 size++;
1787 if (*max < size)
1788 *max = size;
1789 }
1790 }
1791
1792 static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid)
1793 {
1794 if (!(hid->inbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->inbuf_dma)))
1795 return -1;
1796 if (!(hid->outbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->outbuf_dma)))
1797 return -1;
1798 if (!(hid->cr = usb_buffer_alloc(dev, sizeof(*(hid->cr)), SLAB_ATOMIC, &hid->cr_dma)))
1799 return -1;
1800 if (!(hid->ctrlbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->ctrlbuf_dma)))
1801 return -1;
1802
1803 return 0;
1804 }
1805
1806 static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid)
1807 {
1808 if (hid->inbuf)
1809 usb_buffer_free(dev, hid->bufsize, hid->inbuf, hid->inbuf_dma);
1810 if (hid->outbuf)
1811 usb_buffer_free(dev, hid->bufsize, hid->outbuf, hid->outbuf_dma);
1812 if (hid->cr)
1813 usb_buffer_free(dev, sizeof(*(hid->cr)), hid->cr, hid->cr_dma);
1814 if (hid->ctrlbuf)
1815 usb_buffer_free(dev, hid->bufsize, hid->ctrlbuf, hid->ctrlbuf_dma);
1816 }
1817
1818 /*
1819 * Cherry Cymotion keyboard have an invalid HID report descriptor,
1820 * that needs fixing before we can parse it.
1821 */
1822
1823 static void hid_fixup_cymotion_descriptor(char *rdesc, int rsize)
1824 {
1825 if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) {
1826 info("Fixing up Cherry Cymotion report descriptor");
1827 rdesc[11] = rdesc[16] = 0xff;
1828 rdesc[12] = rdesc[17] = 0x03;
1829 }
1830 }
1831
1832 static struct hid_device *usb_hid_configure(struct usb_interface *intf)
1833 {
1834 struct usb_host_interface *interface = intf->cur_altsetting;
1835 struct usb_device *dev = interface_to_usbdev (intf);
1836 struct hid_descriptor *hdesc;
1837 struct hid_device *hid;
1838 unsigned quirks = 0, rsize = 0;
1839 char *rdesc;
1840 int n, len, insize = 0;
1841
1842 /* Ignore all Wacom devices */
1843 if (le16_to_cpu(dev->descriptor.idVendor) == USB_VENDOR_ID_WACOM)
1844 return NULL;
1845
1846 for (n = 0; hid_blacklist[n].idVendor; n++)
1847 if ((hid_blacklist[n].idVendor == le16_to_cpu(dev->descriptor.idVendor)) &&
1848 (hid_blacklist[n].idProduct == le16_to_cpu(dev->descriptor.idProduct)))
1849 quirks = hid_blacklist[n].quirks;
1850
1851 /* Many keyboards and mice don't like to be polled for reports,
1852 * so we will always set the HID_QUIRK_NOGET flag for them. */
1853 if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT) {
1854 if (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_KEYBOARD ||
1855 interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE)
1856 quirks |= HID_QUIRK_NOGET;
1857 }
1858
1859 if (quirks & HID_QUIRK_IGNORE)
1860 return NULL;
1861
1862 if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) &&
1863 (!interface->desc.bNumEndpoints ||
1864 usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) {
1865 dbg("class descriptor not present\n");
1866 return NULL;
1867 }
1868
1869 for (n = 0; n < hdesc->bNumDescriptors; n++)
1870 if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT)
1871 rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength);
1872
1873 if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) {
1874 dbg("weird size of report descriptor (%u)", rsize);
1875 return NULL;
1876 }
1877
1878 if (!(rdesc = kmalloc(rsize, GFP_KERNEL))) {
1879 dbg("couldn't allocate rdesc memory");
1880 return NULL;
1881 }
1882
1883 hid_set_idle(dev, interface->desc.bInterfaceNumber, 0, 0);
1884
1885 if ((n = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber, HID_DT_REPORT, rdesc, rsize)) < 0) {
1886 dbg("reading report descriptor failed");
1887 kfree(rdesc);
1888 return NULL;
1889 }
1890
1891 if ((quirks & HID_QUIRK_CYMOTION))
1892 hid_fixup_cymotion_descriptor(rdesc, rsize);
1893
1894 #ifdef DEBUG_DATA
1895 printk(KERN_DEBUG __FILE__ ": report descriptor (size %u, read %d) = ", rsize, n);
1896 for (n = 0; n < rsize; n++)
1897 printk(" %02x", (unsigned char) rdesc[n]);
1898 printk("\n");
1899 #endif
1900
1901 if (!(hid = hid_parse_report(rdesc, n))) {
1902 dbg("parsing report descriptor failed");
1903 kfree(rdesc);
1904 return NULL;
1905 }
1906
1907 kfree(rdesc);
1908 hid->quirks = quirks;
1909
1910 hid->bufsize = HID_MIN_BUFFER_SIZE;
1911 hid_find_max_report(hid, HID_INPUT_REPORT, &hid->bufsize);
1912 hid_find_max_report(hid, HID_OUTPUT_REPORT, &hid->bufsize);
1913 hid_find_max_report(hid, HID_FEATURE_REPORT, &hid->bufsize);
1914
1915 if (hid->bufsize > HID_MAX_BUFFER_SIZE)
1916 hid->bufsize = HID_MAX_BUFFER_SIZE;
1917
1918 hid_find_max_report(hid, HID_INPUT_REPORT, &insize);
1919
1920 if (insize > HID_MAX_BUFFER_SIZE)
1921 insize = HID_MAX_BUFFER_SIZE;
1922
1923 if (hid_alloc_buffers(dev, hid)) {
1924 hid_free_buffers(dev, hid);
1925 goto fail;
1926 }
1927
1928 for (n = 0; n < interface->desc.bNumEndpoints; n++) {
1929
1930 struct usb_endpoint_descriptor *endpoint;
1931 int pipe;
1932 int interval;
1933
1934 endpoint = &interface->endpoint[n].desc;
1935 if ((endpoint->bmAttributes & 3) != 3) /* Not an interrupt endpoint */
1936 continue;
1937
1938 interval = endpoint->bInterval;
1939
1940 /* Change the polling interval of mice. */
1941 if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0)
1942 interval = hid_mousepoll_interval;
1943
1944 if (endpoint->bEndpointAddress & USB_DIR_IN) {
1945 if (hid->urbin)
1946 continue;
1947 if (!(hid->urbin = usb_alloc_urb(0, GFP_KERNEL)))
1948 goto fail;
1949 pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
1950 usb_fill_int_urb(hid->urbin, dev, pipe, hid->inbuf, insize,
1951 hid_irq_in, hid, interval);
1952 hid->urbin->transfer_dma = hid->inbuf_dma;
1953 hid->urbin->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1954 } else {
1955 if (hid->urbout)
1956 continue;
1957 if (!(hid->urbout = usb_alloc_urb(0, GFP_KERNEL)))
1958 goto fail;
1959 pipe = usb_sndintpipe(dev, endpoint->bEndpointAddress);
1960 usb_fill_int_urb(hid->urbout, dev, pipe, hid->outbuf, 0,
1961 hid_irq_out, hid, interval);
1962 hid->urbout->transfer_dma = hid->outbuf_dma;
1963 hid->urbout->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1964 }
1965 }
1966
1967 if (!hid->urbin) {
1968 err("couldn't find an input interrupt endpoint");
1969 goto fail;
1970 }
1971
1972 init_waitqueue_head(&hid->wait);
1973
1974 INIT_WORK(&hid->reset_work, hid_reset, hid);
1975 setup_timer(&hid->io_retry, hid_retry_timeout, (unsigned long) hid);
1976
1977 spin_lock_init(&hid->inlock);
1978 spin_lock_init(&hid->outlock);
1979 spin_lock_init(&hid->ctrllock);
1980
1981 hid->version = le16_to_cpu(hdesc->bcdHID);
1982 hid->country = hdesc->bCountryCode;
1983 hid->dev = dev;
1984 hid->intf = intf;
1985 hid->ifnum = interface->desc.bInterfaceNumber;
1986
1987 hid->name[0] = 0;
1988
1989 if (dev->manufacturer)
1990 strlcpy(hid->name, dev->manufacturer, sizeof(hid->name));
1991
1992 if (dev->product) {
1993 if (dev->manufacturer)
1994 strlcat(hid->name, " ", sizeof(hid->name));
1995 strlcat(hid->name, dev->product, sizeof(hid->name));
1996 }
1997
1998 if (!strlen(hid->name))
1999 snprintf(hid->name, sizeof(hid->name), "HID %04x:%04x",
2000 le16_to_cpu(dev->descriptor.idVendor),
2001 le16_to_cpu(dev->descriptor.idProduct));
2002
2003 usb_make_path(dev, hid->phys, sizeof(hid->phys));
2004 strlcat(hid->phys, "/input", sizeof(hid->phys));
2005 len = strlen(hid->phys);
2006 if (len < sizeof(hid->phys) - 1)
2007 snprintf(hid->phys + len, sizeof(hid->phys) - len,
2008 "%d", intf->altsetting[0].desc.bInterfaceNumber);
2009
2010 if (usb_string(dev, dev->descriptor.iSerialNumber, hid->uniq, 64) <= 0)
2011 hid->uniq[0] = 0;
2012
2013 hid->urbctrl = usb_alloc_urb(0, GFP_KERNEL);
2014 if (!hid->urbctrl)
2015 goto fail;
2016
2017 usb_fill_control_urb(hid->urbctrl, dev, 0, (void *) hid->cr,
2018 hid->ctrlbuf, 1, hid_ctrl, hid);
2019 hid->urbctrl->setup_dma = hid->cr_dma;
2020 hid->urbctrl->transfer_dma = hid->ctrlbuf_dma;
2021 hid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP);
2022
2023 return hid;
2024
2025 fail:
2026
2027 if (hid->urbin)
2028 usb_free_urb(hid->urbin);
2029 if (hid->urbout)
2030 usb_free_urb(hid->urbout);
2031 if (hid->urbctrl)
2032 usb_free_urb(hid->urbctrl);
2033 hid_free_buffers(dev, hid);
2034 hid_free_device(hid);
2035
2036 return NULL;
2037 }
2038
2039 static void hid_disconnect(struct usb_interface *intf)
2040 {
2041 struct hid_device *hid = usb_get_intfdata (intf);
2042
2043 if (!hid)
2044 return;
2045
2046 spin_lock_irq(&hid->inlock); /* Sync with error handler */
2047 usb_set_intfdata(intf, NULL);
2048 spin_unlock_irq(&hid->inlock);
2049 usb_kill_urb(hid->urbin);
2050 usb_kill_urb(hid->urbout);
2051 usb_kill_urb(hid->urbctrl);
2052
2053 del_timer_sync(&hid->io_retry);
2054 flush_scheduled_work();
2055
2056 if (hid->claimed & HID_CLAIMED_INPUT)
2057 hidinput_disconnect(hid);
2058 if (hid->claimed & HID_CLAIMED_HIDDEV)
2059 hiddev_disconnect(hid);
2060
2061 usb_free_urb(hid->urbin);
2062 usb_free_urb(hid->urbctrl);
2063 if (hid->urbout)
2064 usb_free_urb(hid->urbout);
2065
2066 hid_free_buffers(hid->dev, hid);
2067 hid_free_device(hid);
2068 }
2069
2070 static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id)
2071 {
2072 struct hid_device *hid;
2073 char path[64];
2074 int i;
2075 char *c;
2076
2077 dbg("HID probe called for ifnum %d",
2078 intf->altsetting->desc.bInterfaceNumber);
2079
2080 if (!(hid = usb_hid_configure(intf)))
2081 return -ENODEV;
2082
2083 hid_init_reports(hid);
2084 hid_dump_device(hid);
2085
2086 if (!hidinput_connect(hid))
2087 hid->claimed |= HID_CLAIMED_INPUT;
2088 if (!hiddev_connect(hid))
2089 hid->claimed |= HID_CLAIMED_HIDDEV;
2090
2091 usb_set_intfdata(intf, hid);
2092
2093 if (!hid->claimed) {
2094 printk ("HID device not claimed by input or hiddev\n");
2095 hid_disconnect(intf);
2096 return -ENODEV;
2097 }
2098
2099 printk(KERN_INFO);
2100
2101 if (hid->claimed & HID_CLAIMED_INPUT)
2102 printk("input");
2103 if (hid->claimed == (HID_CLAIMED_INPUT | HID_CLAIMED_HIDDEV))
2104 printk(",");
2105 if (hid->claimed & HID_CLAIMED_HIDDEV)
2106 printk("hiddev%d", hid->minor);
2107
2108 c = "Device";
2109 for (i = 0; i < hid->maxcollection; i++) {
2110 if (hid->collection[i].type == HID_COLLECTION_APPLICATION &&
2111 (hid->collection[i].usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
2112 (hid->collection[i].usage & 0xffff) < ARRAY_SIZE(hid_types)) {
2113 c = hid_types[hid->collection[i].usage & 0xffff];
2114 break;
2115 }
2116 }
2117
2118 usb_make_path(interface_to_usbdev(intf), path, 63);
2119
2120 printk(": USB HID v%x.%02x %s [%s] on %s\n",
2121 hid->version >> 8, hid->version & 0xff, c, hid->name, path);
2122
2123 return 0;
2124 }
2125
2126 static int hid_suspend(struct usb_interface *intf, pm_message_t message)
2127 {
2128 struct hid_device *hid = usb_get_intfdata (intf);
2129
2130 spin_lock_irq(&hid->inlock); /* Sync with error handler */
2131 set_bit(HID_SUSPENDED, &hid->iofl);
2132 spin_unlock_irq(&hid->inlock);
2133 del_timer(&hid->io_retry);
2134 usb_kill_urb(hid->urbin);
2135 dev_dbg(&intf->dev, "suspend\n");
2136 return 0;
2137 }
2138
2139 static int hid_resume(struct usb_interface *intf)
2140 {
2141 struct hid_device *hid = usb_get_intfdata (intf);
2142 int status;
2143
2144 clear_bit(HID_SUSPENDED, &hid->iofl);
2145 hid->retry_delay = 0;
2146 status = hid_start_in(hid);
2147 dev_dbg(&intf->dev, "resume status %d\n", status);
2148 return status;
2149 }
2150
2151 /* Treat USB reset pretty much the same as suspend/resume */
2152 static void hid_pre_reset(struct usb_interface *intf)
2153 {
2154 /* FIXME: What if the interface is already suspended? */
2155 hid_suspend(intf, PMSG_ON);
2156 }
2157
2158 static void hid_post_reset(struct usb_interface *intf)
2159 {
2160 struct usb_device *dev = interface_to_usbdev (intf);
2161
2162 hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0);
2163 /* FIXME: Any more reinitialization needed? */
2164
2165 hid_resume(intf);
2166 }
2167
2168 static struct usb_device_id hid_usb_ids [] = {
2169 { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS,
2170 .bInterfaceClass = USB_INTERFACE_CLASS_HID },
2171 { } /* Terminating entry */
2172 };
2173
2174 MODULE_DEVICE_TABLE (usb, hid_usb_ids);
2175
2176 static struct usb_driver hid_driver = {
2177 .name = "usbhid",
2178 .probe = hid_probe,
2179 .disconnect = hid_disconnect,
2180 .suspend = hid_suspend,
2181 .resume = hid_resume,
2182 .pre_reset = hid_pre_reset,
2183 .post_reset = hid_post_reset,
2184 .id_table = hid_usb_ids,
2185 };
2186
2187 static int __init hid_init(void)
2188 {
2189 int retval;
2190 retval = hiddev_init();
2191 if (retval)
2192 goto hiddev_init_fail;
2193 retval = usb_register(&hid_driver);
2194 if (retval)
2195 goto usb_register_fail;
2196 info(DRIVER_VERSION ":" DRIVER_DESC);
2197
2198 return 0;
2199 usb_register_fail:
2200 hiddev_exit();
2201 hiddev_init_fail:
2202 return retval;
2203 }
2204
2205 static void __exit hid_exit(void)
2206 {
2207 usb_deregister(&hid_driver);
2208 hiddev_exit();
2209 }
2210
2211 module_init(hid_init);
2212 module_exit(hid_exit);
2213
2214 MODULE_AUTHOR(DRIVER_AUTHOR);
2215 MODULE_DESCRIPTION(DRIVER_DESC);
2216 MODULE_LICENSE(DRIVER_LICENSE);
kernel source for telekom puls (alcatel/mediatek)