?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[linux-2.6/verdex.git] / drivers / usb / input / hid-core.c
blobbfa267722f1bef96be8e780b5c0a4ae82bb35d98
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 for (i = 0; i < HID_REPORT_TYPES; i++) {
547 struct hid_report_enum *report_enum = device->report_enum + i;
548
549 for (j = 0; j < 256; j++) {
550 struct hid_report *report = report_enum->report_id_hash[j];
551 if (report)
552 hid_free_report(report);
553 }
554 }
555
556 kfree(device->rdesc);
557 kfree(device);
558 }
559
560 /*
561 * Fetch a report description item from the data stream. We support long
562 * items, though they are not used yet.
563 */
564
565 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
566 {
567 u8 b;
568
569 if ((end - start) <= 0)
570 return NULL;
571
572 b = *start++;
573
574 item->type = (b >> 2) & 3;
575 item->tag = (b >> 4) & 15;
576
577 if (item->tag == HID_ITEM_TAG_LONG) {
578
579 item->format = HID_ITEM_FORMAT_LONG;
580
581 if ((end - start) < 2)
582 return NULL;
583
584 item->size = *start++;
585 item->tag = *start++;
586
587 if ((end - start) < item->size)
588 return NULL;
589
590 item->data.longdata = start;
591 start += item->size;
592 return start;
593 }
594
595 item->format = HID_ITEM_FORMAT_SHORT;
596 item->size = b & 3;
597
598 switch (item->size) {
599
600 case 0:
601 return start;
602
603 case 1:
604 if ((end - start) < 1)
605 return NULL;
606 item->data.u8 = *start++;
607 return start;
608
609 case 2:
610 if ((end - start) < 2)
611 return NULL;
612 item->data.u16 = le16_to_cpu(get_unaligned((__le16*)start));
613 start = (__u8 *)((__le16 *)start + 1);
614 return start;
615
616 case 3:
617 item->size++;
618 if ((end - start) < 4)
619 return NULL;
620 item->data.u32 = le32_to_cpu(get_unaligned((__le32*)start));
621 start = (__u8 *)((__le32 *)start + 1);
622 return start;
623 }
624
625 return NULL;
626 }
627
628 /*
629 * Parse a report description into a hid_device structure. Reports are
630 * enumerated, fields are attached to these reports.
631 */
632
633 static struct hid_device *hid_parse_report(__u8 *start, unsigned size)
634 {
635 struct hid_device *device;
636 struct hid_parser *parser;
637 struct hid_item item;
638 __u8 *end;
639 unsigned i;
640 static int (*dispatch_type[])(struct hid_parser *parser,
641 struct hid_item *item) = {
642 hid_parser_main,
643 hid_parser_global,
644 hid_parser_local,
645 hid_parser_reserved
646 };
647
648 if (!(device = kzalloc(sizeof(struct hid_device), GFP_KERNEL)))
649 return NULL;
650
651 if (!(device->collection = kzalloc(sizeof(struct hid_collection) *
652 HID_DEFAULT_NUM_COLLECTIONS, GFP_KERNEL))) {
653 kfree(device);
654 return NULL;
655 }
656 device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
657
658 for (i = 0; i < HID_REPORT_TYPES; i++)
659 INIT_LIST_HEAD(&device->report_enum[i].report_list);
660
661 if (!(device->rdesc = (__u8 *)kmalloc(size, GFP_KERNEL))) {
662 kfree(device->collection);
663 kfree(device);
664 return NULL;
665 }
666 memcpy(device->rdesc, start, size);
667 device->rsize = size;
668
669 if (!(parser = kzalloc(sizeof(struct hid_parser), GFP_KERNEL))) {
670 kfree(device->rdesc);
671 kfree(device->collection);
672 kfree(device);
673 return NULL;
674 }
675 parser->device = device;
676
677 end = start + size;
678 while ((start = fetch_item(start, end, &item)) != NULL) {
679
680 if (item.format != HID_ITEM_FORMAT_SHORT) {
681 dbg("unexpected long global item");
682 kfree(device->collection);
683 hid_free_device(device);
684 kfree(parser);
685 return NULL;
686 }
687
688 if (dispatch_type[item.type](parser, &item)) {
689 dbg("item %u %u %u %u parsing failed\n",
690 item.format, (unsigned)item.size, (unsigned)item.type, (unsigned)item.tag);
691 kfree(device->collection);
692 hid_free_device(device);
693 kfree(parser);
694 return NULL;
695 }
696
697 if (start == end) {
698 if (parser->collection_stack_ptr) {
699 dbg("unbalanced collection at end of report description");
700 kfree(device->collection);
701 hid_free_device(device);
702 kfree(parser);
703 return NULL;
704 }
705 if (parser->local.delimiter_depth) {
706 dbg("unbalanced delimiter at end of report description");
707 kfree(device->collection);
708 hid_free_device(device);
709 kfree(parser);
710 return NULL;
711 }
712 kfree(parser);
713 return device;
714 }
715 }
716
717 dbg("item fetching failed at offset %d\n", (int)(end - start));
718 kfree(device->collection);
719 hid_free_device(device);
720 kfree(parser);
721 return NULL;
722 }
723
724 /*
725 * Convert a signed n-bit integer to signed 32-bit integer. Common
726 * cases are done through the compiler, the screwed things has to be
727 * done by hand.
728 */
729
730 static __inline__ __s32 snto32(__u32 value, unsigned n)
731 {
732 switch (n) {
733 case 8: return ((__s8)value);
734 case 16: return ((__s16)value);
735 case 32: return ((__s32)value);
736 }
737 return value & (1 << (n - 1)) ? value | (-1 << n) : value;
738 }
739
740 /*
741 * Convert a signed 32-bit integer to a signed n-bit integer.
742 */
743
744 static __inline__ __u32 s32ton(__s32 value, unsigned n)
745 {
746 __s32 a = value >> (n - 1);
747 if (a && a != -1)
748 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
749 return value & ((1 << n) - 1);
750 }
751
752 /*
753 * Extract/implement a data field from/to a report.
754 */
755
756 static __inline__ __u32 extract(__u8 *report, unsigned offset, unsigned n)
757 {
758 report += (offset >> 5) << 2; offset &= 31;
759 return (le64_to_cpu(get_unaligned((__le64*)report)) >> offset) & ((1ULL << n) - 1);
760 }
761
762 static __inline__ void implement(__u8 *report, unsigned offset, unsigned n, __u32 value)
763 {
764 report += (offset >> 5) << 2; offset &= 31;
765 put_unaligned((get_unaligned((__le64*)report)
766 & cpu_to_le64(~((((__u64) 1 << n) - 1) << offset)))
767 | cpu_to_le64((__u64)value << offset), (__le64*)report);
768 }
769
770 /*
771 * Search an array for a value.
772 */
773
774 static __inline__ int search(__s32 *array, __s32 value, unsigned n)
775 {
776 while (n--) {
777 if (*array++ == value)
778 return 0;
779 }
780 return -1;
781 }
782
783 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)
784 {
785 hid_dump_input(usage, value);
786 if (hid->claimed & HID_CLAIMED_INPUT)
787 hidinput_hid_event(hid, field, usage, value, regs);
788 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt)
789 hiddev_hid_event(hid, field, usage, value, regs);
790 }
791
792 /*
793 * Analyse a received field, and fetch the data from it. The field
794 * content is stored for next report processing (we do differential
795 * reporting to the layer).
796 */
797
798 static void hid_input_field(struct hid_device *hid, struct hid_field *field, __u8 *data, int interrupt, struct pt_regs *regs)
799 {
800 unsigned n;
801 unsigned count = field->report_count;
802 unsigned offset = field->report_offset;
803 unsigned size = field->report_size;
804 __s32 min = field->logical_minimum;
805 __s32 max = field->logical_maximum;
806 __s32 *value;
807
808 if (!(value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC)))
809 return;
810
811 for (n = 0; n < count; n++) {
812
813 value[n] = min < 0 ? snto32(extract(data, offset + n * size, size), size) :
814 extract(data, offset + n * size, size);
815
816 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) /* Ignore report if ErrorRollOver */
817 && value[n] >= min && value[n] <= max
818 && field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
819 goto exit;
820 }
821
822 for (n = 0; n < count; n++) {
823
824 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
825 hid_process_event(hid, field, &field->usage[n], value[n], interrupt, regs);
826 continue;
827 }
828
829 if (field->value[n] >= min && field->value[n] <= max
830 && field->usage[field->value[n] - min].hid
831 && search(value, field->value[n], count))
832 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt, regs);
833
834 if (value[n] >= min && value[n] <= max
835 && field->usage[value[n] - min].hid
836 && search(field->value, value[n], count))
837 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt, regs);
838 }
839
840 memcpy(field->value, value, count * sizeof(__s32));
841 exit:
842 kfree(value);
843 }
844
845 static int hid_input_report(int type, struct urb *urb, int interrupt, struct pt_regs *regs)
846 {
847 struct hid_device *hid = urb->context;
848 struct hid_report_enum *report_enum = hid->report_enum + type;
849 u8 *data = urb->transfer_buffer;
850 int len = urb->actual_length;
851 struct hid_report *report;
852 int n, size;
853
854 if (!len) {
855 dbg("empty report");
856 return -1;
857 }
858
859 #ifdef DEBUG_DATA
860 printk(KERN_DEBUG __FILE__ ": report (size %u) (%snumbered)\n", len, report_enum->numbered ? "" : "un");
861 #endif
862
863 n = 0; /* Normally report number is 0 */
864 if (report_enum->numbered) { /* Device uses numbered reports, data[0] is report number */
865 n = *data++;
866 len--;
867 }
868
869 #ifdef DEBUG_DATA
870 {
871 int i;
872 printk(KERN_DEBUG __FILE__ ": report %d (size %u) = ", n, len);
873 for (i = 0; i < len; i++)
874 printk(" %02x", data[i]);
875 printk("\n");
876 }
877 #endif
878
879 if (!(report = report_enum->report_id_hash[n])) {
880 dbg("undefined report_id %d received", n);
881 return -1;
882 }
883
884 size = ((report->size - 1) >> 3) + 1;
885
886 if (len < size) {
887 dbg("report %d is too short, (%d < %d)", report->id, len, size);
888 memset(data + len, 0, size - len);
889 }
890
891 if (hid->claimed & HID_CLAIMED_HIDDEV)
892 hiddev_report_event(hid, report);
893
894 for (n = 0; n < report->maxfield; n++)
895 hid_input_field(hid, report->field[n], data, interrupt, regs);
896
897 if (hid->claimed & HID_CLAIMED_INPUT)
898 hidinput_report_event(hid, report);
899
900 return 0;
901 }
902
903 /*
904 * Input submission and I/O error handler.
905 */
906
907 static void hid_io_error(struct hid_device *hid);
908
909 /* Start up the input URB */
910 static int hid_start_in(struct hid_device *hid)
911 {
912 unsigned long flags;
913 int rc = 0;
914
915 spin_lock_irqsave(&hid->inlock, flags);
916 if (hid->open > 0 && !test_bit(HID_SUSPENDED, &hid->iofl) &&
917 !test_and_set_bit(HID_IN_RUNNING, &hid->iofl)) {
918 rc = usb_submit_urb(hid->urbin, GFP_ATOMIC);
919 if (rc != 0)
920 clear_bit(HID_IN_RUNNING, &hid->iofl);
921 }
922 spin_unlock_irqrestore(&hid->inlock, flags);
923 return rc;
924 }
925
926 /* I/O retry timer routine */
927 static void hid_retry_timeout(unsigned long _hid)
928 {
929 struct hid_device *hid = (struct hid_device *) _hid;
930
931 dev_dbg(&hid->intf->dev, "retrying intr urb\n");
932 if (hid_start_in(hid))
933 hid_io_error(hid);
934 }
935
936 /* Workqueue routine to reset the device */
937 static void hid_reset(void *_hid)
938 {
939 struct hid_device *hid = (struct hid_device *) _hid;
940 int rc_lock, rc;
941
942 dev_dbg(&hid->intf->dev, "resetting device\n");
943 rc = rc_lock = usb_lock_device_for_reset(hid->dev, hid->intf);
944 if (rc_lock >= 0) {
945 rc = usb_reset_composite_device(hid->dev, hid->intf);
946 if (rc_lock)
947 usb_unlock_device(hid->dev);
948 }
949 clear_bit(HID_RESET_PENDING, &hid->iofl);
950
951 switch (rc) {
952 case 0:
953 if (!test_bit(HID_IN_RUNNING, &hid->iofl))
954 hid_io_error(hid);
955 break;
956 default:
957 err("can't reset device, %s-%s/input%d, status %d",
958 hid->dev->bus->bus_name,
959 hid->dev->devpath,
960 hid->ifnum, rc);
961 /* FALLTHROUGH */
962 case -EHOSTUNREACH:
963 case -ENODEV:
964 case -EINTR:
965 break;
966 }
967 }
968
969 /* Main I/O error handler */
970 static void hid_io_error(struct hid_device *hid)
971 {
972 unsigned long flags;
973
974 spin_lock_irqsave(&hid->inlock, flags);
975
976 /* Stop when disconnected */
977 if (usb_get_intfdata(hid->intf) == NULL)
978 goto done;
979
980 /* When an error occurs, retry at increasing intervals */
981 if (hid->retry_delay == 0) {
982 hid->retry_delay = 13; /* Then 26, 52, 104, 104, ... */
983 hid->stop_retry = jiffies + msecs_to_jiffies(1000);
984 } else if (hid->retry_delay < 100)
985 hid->retry_delay *= 2;
986
987 if (time_after(jiffies, hid->stop_retry)) {
988
989 /* Retries failed, so do a port reset */
990 if (!test_and_set_bit(HID_RESET_PENDING, &hid->iofl)) {
991 if (schedule_work(&hid->reset_work))
992 goto done;
993 clear_bit(HID_RESET_PENDING, &hid->iofl);
994 }
995 }
996
997 mod_timer(&hid->io_retry,
998 jiffies + msecs_to_jiffies(hid->retry_delay));
999 done:
1000 spin_unlock_irqrestore(&hid->inlock, flags);
1001 }
1002
1003 /*
1004 * Input interrupt completion handler.
1005 */
1006
1007 static void hid_irq_in(struct urb *urb, struct pt_regs *regs)
1008 {
1009 struct hid_device *hid = urb->context;
1010 int status;
1011
1012 switch (urb->status) {
1013 case 0: /* success */
1014 hid->retry_delay = 0;
1015 hid_input_report(HID_INPUT_REPORT, urb, 1, regs);
1016 break;
1017 case -ECONNRESET: /* unlink */
1018 case -ENOENT:
1019 case -ESHUTDOWN: /* unplug */
1020 clear_bit(HID_IN_RUNNING, &hid->iofl);
1021 return;
1022 case -EILSEQ: /* protocol error or unplug */
1023 case -EPROTO: /* protocol error or unplug */
1024 case -ETIMEDOUT: /* NAK */
1025 clear_bit(HID_IN_RUNNING, &hid->iofl);
1026 hid_io_error(hid);
1027 return;
1028 default: /* error */
1029 warn("input irq status %d received", urb->status);
1030 }
1031
1032 status = usb_submit_urb(urb, SLAB_ATOMIC);
1033 if (status) {
1034 clear_bit(HID_IN_RUNNING, &hid->iofl);
1035 if (status != -EPERM) {
1036 err("can't resubmit intr, %s-%s/input%d, status %d",
1037 hid->dev->bus->bus_name,
1038 hid->dev->devpath,
1039 hid->ifnum, status);
1040 hid_io_error(hid);
1041 }
1042 }
1043 }
1044
1045 /*
1046 * Output the field into the report.
1047 */
1048
1049 static void hid_output_field(struct hid_field *field, __u8 *data)
1050 {
1051 unsigned count = field->report_count;
1052 unsigned offset = field->report_offset;
1053 unsigned size = field->report_size;
1054 unsigned n;
1055
1056 for (n = 0; n < count; n++) {
1057 if (field->logical_minimum < 0) /* signed values */
1058 implement(data, offset + n * size, size, s32ton(field->value[n], size));
1059 else /* unsigned values */
1060 implement(data, offset + n * size, size, field->value[n]);
1061 }
1062 }
1063
1064 /*
1065 * Create a report.
1066 */
1067
1068 static void hid_output_report(struct hid_report *report, __u8 *data)
1069 {
1070 unsigned n;
1071
1072 if (report->id > 0)
1073 *data++ = report->id;
1074
1075 for (n = 0; n < report->maxfield; n++)
1076 hid_output_field(report->field[n], data);
1077 }
1078
1079 /*
1080 * Set a field value. The report this field belongs to has to be
1081 * created and transferred to the device, to set this value in the
1082 * device.
1083 */
1084
1085 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1086 {
1087 unsigned size = field->report_size;
1088
1089 hid_dump_input(field->usage + offset, value);
1090
1091 if (offset >= field->report_count) {
1092 dbg("offset (%d) exceeds report_count (%d)", offset, field->report_count);
1093 hid_dump_field(field, 8);
1094 return -1;
1095 }
1096 if (field->logical_minimum < 0) {
1097 if (value != snto32(s32ton(value, size), size)) {
1098 dbg("value %d is out of range", value);
1099 return -1;
1100 }
1101 }
1102 field->value[offset] = value;
1103 return 0;
1104 }
1105
1106 /*
1107 * Find a report field with a specified HID usage.
1108 */
1109 #if 0
1110 struct hid_field *hid_find_field_by_usage(struct hid_device *hid, __u32 wanted_usage, int type)
1111 {
1112 struct hid_report *report;
1113 int i;
1114
1115 list_for_each_entry(report, &hid->report_enum[type].report_list, list)
1116 for (i = 0; i < report->maxfield; i++)
1117 if (report->field[i]->logical == wanted_usage)
1118 return report->field[i];
1119 return NULL;
1120 }
1121 #endif /* 0 */
1122
1123 static int hid_submit_out(struct hid_device *hid)
1124 {
1125 struct hid_report *report;
1126
1127 report = hid->out[hid->outtail];
1128
1129 hid_output_report(report, hid->outbuf);
1130 hid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0);
1131 hid->urbout->dev = hid->dev;
1132
1133 dbg("submitting out urb");
1134
1135 if (usb_submit_urb(hid->urbout, GFP_ATOMIC)) {
1136 err("usb_submit_urb(out) failed");
1137 return -1;
1138 }
1139
1140 return 0;
1141 }
1142
1143 static int hid_submit_ctrl(struct hid_device *hid)
1144 {
1145 struct hid_report *report;
1146 unsigned char dir;
1147 int len;
1148
1149 report = hid->ctrl[hid->ctrltail].report;
1150 dir = hid->ctrl[hid->ctrltail].dir;
1151
1152 len = ((report->size - 1) >> 3) + 1 + (report->id > 0);
1153 if (dir == USB_DIR_OUT) {
1154 hid_output_report(report, hid->ctrlbuf);
1155 hid->urbctrl->pipe = usb_sndctrlpipe(hid->dev, 0);
1156 hid->urbctrl->transfer_buffer_length = len;
1157 } else {
1158 int maxpacket, padlen;
1159
1160 hid->urbctrl->pipe = usb_rcvctrlpipe(hid->dev, 0);
1161 maxpacket = usb_maxpacket(hid->dev, hid->urbctrl->pipe, 0);
1162 if (maxpacket > 0) {
1163 padlen = (len + maxpacket - 1) / maxpacket;
1164 padlen *= maxpacket;
1165 if (padlen > hid->bufsize)
1166 padlen = hid->bufsize;
1167 } else
1168 padlen = 0;
1169 hid->urbctrl->transfer_buffer_length = padlen;
1170 }
1171 hid->urbctrl->dev = hid->dev;
1172
1173 hid->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | dir;
1174 hid->cr->bRequest = (dir == USB_DIR_OUT) ? HID_REQ_SET_REPORT : HID_REQ_GET_REPORT;
1175 hid->cr->wValue = cpu_to_le16(((report->type + 1) << 8) | report->id);
1176 hid->cr->wIndex = cpu_to_le16(hid->ifnum);
1177 hid->cr->wLength = cpu_to_le16(len);
1178
1179 dbg("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u",
1180 hid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : "Get_Report",
1181 hid->cr->wValue, hid->cr->wIndex, hid->cr->wLength);
1182
1183 if (usb_submit_urb(hid->urbctrl, GFP_ATOMIC)) {
1184 err("usb_submit_urb(ctrl) failed");
1185 return -1;
1186 }
1187
1188 return 0;
1189 }
1190
1191 /*
1192 * Output interrupt completion handler.
1193 */
1194
1195 static void hid_irq_out(struct urb *urb, struct pt_regs *regs)
1196 {
1197 struct hid_device *hid = urb->context;
1198 unsigned long flags;
1199 int unplug = 0;
1200
1201 switch (urb->status) {
1202 case 0: /* success */
1203 break;
1204 case -ESHUTDOWN: /* unplug */
1205 unplug = 1;
1206 case -EILSEQ: /* protocol error or unplug */
1207 case -EPROTO: /* protocol error or unplug */
1208 case -ECONNRESET: /* unlink */
1209 case -ENOENT:
1210 break;
1211 default: /* error */
1212 warn("output irq status %d received", urb->status);
1213 }
1214
1215 spin_lock_irqsave(&hid->outlock, flags);
1216
1217 if (unplug)
1218 hid->outtail = hid->outhead;
1219 else
1220 hid->outtail = (hid->outtail + 1) & (HID_OUTPUT_FIFO_SIZE - 1);
1221
1222 if (hid->outhead != hid->outtail) {
1223 if (hid_submit_out(hid)) {
1224 clear_bit(HID_OUT_RUNNING, &hid->iofl);
1225 wake_up(&hid->wait);
1226 }
1227 spin_unlock_irqrestore(&hid->outlock, flags);
1228 return;
1229 }
1230
1231 clear_bit(HID_OUT_RUNNING, &hid->iofl);
1232 spin_unlock_irqrestore(&hid->outlock, flags);
1233 wake_up(&hid->wait);
1234 }
1235
1236 /*
1237 * Control pipe completion handler.
1238 */
1239
1240 static void hid_ctrl(struct urb *urb, struct pt_regs *regs)
1241 {
1242 struct hid_device *hid = urb->context;
1243 unsigned long flags;
1244 int unplug = 0;
1245
1246 spin_lock_irqsave(&hid->ctrllock, flags);
1247
1248 switch (urb->status) {
1249 case 0: /* success */
1250 if (hid->ctrl[hid->ctrltail].dir == USB_DIR_IN)
1251 hid_input_report(hid->ctrl[hid->ctrltail].report->type, urb, 0, regs);
1252 break;
1253 case -ESHUTDOWN: /* unplug */
1254 unplug = 1;
1255 case -EILSEQ: /* protocol error or unplug */
1256 case -EPROTO: /* protocol error or unplug */
1257 case -ECONNRESET: /* unlink */
1258 case -ENOENT:
1259 case -EPIPE: /* report not available */
1260 break;
1261 default: /* error */
1262 warn("ctrl urb status %d received", urb->status);
1263 }
1264
1265 if (unplug)
1266 hid->ctrltail = hid->ctrlhead;
1267 else
1268 hid->ctrltail = (hid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1);
1269
1270 if (hid->ctrlhead != hid->ctrltail) {
1271 if (hid_submit_ctrl(hid)) {
1272 clear_bit(HID_CTRL_RUNNING, &hid->iofl);
1273 wake_up(&hid->wait);
1274 }
1275 spin_unlock_irqrestore(&hid->ctrllock, flags);
1276 return;
1277 }
1278
1279 clear_bit(HID_CTRL_RUNNING, &hid->iofl);
1280 spin_unlock_irqrestore(&hid->ctrllock, flags);
1281 wake_up(&hid->wait);
1282 }
1283
1284 void hid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir)
1285 {
1286 int head;
1287 unsigned long flags;
1288
1289 if ((hid->quirks & HID_QUIRK_NOGET) && dir == USB_DIR_IN)
1290 return;
1291
1292 if (hid->urbout && dir == USB_DIR_OUT && report->type == HID_OUTPUT_REPORT) {
1293
1294 spin_lock_irqsave(&hid->outlock, flags);
1295
1296 if ((head = (hid->outhead + 1) & (HID_OUTPUT_FIFO_SIZE - 1)) == hid->outtail) {
1297 spin_unlock_irqrestore(&hid->outlock, flags);
1298 warn("output queue full");
1299 return;
1300 }
1301
1302 hid->out[hid->outhead] = report;
1303 hid->outhead = head;
1304
1305 if (!test_and_set_bit(HID_OUT_RUNNING, &hid->iofl))
1306 if (hid_submit_out(hid))
1307 clear_bit(HID_OUT_RUNNING, &hid->iofl);
1308
1309 spin_unlock_irqrestore(&hid->outlock, flags);
1310 return;
1311 }
1312
1313 spin_lock_irqsave(&hid->ctrllock, flags);
1314
1315 if ((head = (hid->ctrlhead + 1) & (HID_CONTROL_FIFO_SIZE - 1)) == hid->ctrltail) {
1316 spin_unlock_irqrestore(&hid->ctrllock, flags);
1317 warn("control queue full");
1318 return;
1319 }
1320
1321 hid->ctrl[hid->ctrlhead].report = report;
1322 hid->ctrl[hid->ctrlhead].dir = dir;
1323 hid->ctrlhead = head;
1324
1325 if (!test_and_set_bit(HID_CTRL_RUNNING, &hid->iofl))
1326 if (hid_submit_ctrl(hid))
1327 clear_bit(HID_CTRL_RUNNING, &hid->iofl);
1328
1329 spin_unlock_irqrestore(&hid->ctrllock, flags);
1330 }
1331
1332 int hid_wait_io(struct hid_device *hid)
1333 {
1334 if (!wait_event_timeout(hid->wait, (!test_bit(HID_CTRL_RUNNING, &hid->iofl) &&
1335 !test_bit(HID_OUT_RUNNING, &hid->iofl)),
1336 10*HZ)) {
1337 dbg("timeout waiting for ctrl or out queue to clear");
1338 return -1;
1339 }
1340
1341 return 0;
1342 }
1343
1344 static int hid_set_idle(struct usb_device *dev, int ifnum, int report, int idle)
1345 {
1346 return usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1347 HID_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE, (idle << 8) | report,
1348 ifnum, NULL, 0, USB_CTRL_SET_TIMEOUT);
1349 }
1350
1351 static int hid_get_class_descriptor(struct usb_device *dev, int ifnum,
1352 unsigned char type, void *buf, int size)
1353 {
1354 int result, retries = 4;
1355
1356 memset(buf,0,size); // Make sure we parse really received data
1357
1358 do {
1359 result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
1360 USB_REQ_GET_DESCRIPTOR, USB_RECIP_INTERFACE | USB_DIR_IN,
1361 (type << 8), ifnum, buf, size, USB_CTRL_GET_TIMEOUT);
1362 retries--;
1363 } while (result < size && retries);
1364 return result;
1365 }
1366
1367 int hid_open(struct hid_device *hid)
1368 {
1369 ++hid->open;
1370 if (hid_start_in(hid))
1371 hid_io_error(hid);
1372 return 0;
1373 }
1374
1375 void hid_close(struct hid_device *hid)
1376 {
1377 if (!--hid->open)
1378 usb_kill_urb(hid->urbin);
1379 }
1380
1381 #define USB_VENDOR_ID_PANJIT 0x134c
1382
1383 /*
1384 * Initialize all reports
1385 */
1386
1387 void hid_init_reports(struct hid_device *hid)
1388 {
1389 struct hid_report *report;
1390 int err, ret;
1391
1392 list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list)
1393 hid_submit_report(hid, report, USB_DIR_IN);
1394
1395 list_for_each_entry(report, &hid->report_enum[HID_FEATURE_REPORT].report_list, list)
1396 hid_submit_report(hid, report, USB_DIR_IN);
1397
1398 err = 0;
1399 ret = hid_wait_io(hid);
1400 while (ret) {
1401 err |= ret;
1402 if (test_bit(HID_CTRL_RUNNING, &hid->iofl))
1403 usb_kill_urb(hid->urbctrl);
1404 if (test_bit(HID_OUT_RUNNING, &hid->iofl))
1405 usb_kill_urb(hid->urbout);
1406 ret = hid_wait_io(hid);
1407 }
1408
1409 if (err)
1410 warn("timeout initializing reports");
1411 }
1412
1413 #define USB_VENDOR_ID_GTCO 0x078c
1414 #define USB_DEVICE_ID_GTCO_90 0x0090
1415 #define USB_DEVICE_ID_GTCO_100 0x0100
1416 #define USB_DEVICE_ID_GTCO_101 0x0101
1417 #define USB_DEVICE_ID_GTCO_103 0x0103
1418 #define USB_DEVICE_ID_GTCO_104 0x0104
1419 #define USB_DEVICE_ID_GTCO_105 0x0105
1420 #define USB_DEVICE_ID_GTCO_106 0x0106
1421 #define USB_DEVICE_ID_GTCO_107 0x0107
1422 #define USB_DEVICE_ID_GTCO_108 0x0108
1423 #define USB_DEVICE_ID_GTCO_200 0x0200
1424 #define USB_DEVICE_ID_GTCO_201 0x0201
1425 #define USB_DEVICE_ID_GTCO_202 0x0202
1426 #define USB_DEVICE_ID_GTCO_203 0x0203
1427 #define USB_DEVICE_ID_GTCO_204 0x0204
1428 #define USB_DEVICE_ID_GTCO_205 0x0205
1429 #define USB_DEVICE_ID_GTCO_206 0x0206
1430 #define USB_DEVICE_ID_GTCO_207 0x0207
1431 #define USB_DEVICE_ID_GTCO_300 0x0300
1432 #define USB_DEVICE_ID_GTCO_301 0x0301
1433 #define USB_DEVICE_ID_GTCO_302 0x0302
1434 #define USB_DEVICE_ID_GTCO_303 0x0303
1435 #define USB_DEVICE_ID_GTCO_304 0x0304
1436 #define USB_DEVICE_ID_GTCO_305 0x0305
1437 #define USB_DEVICE_ID_GTCO_306 0x0306
1438 #define USB_DEVICE_ID_GTCO_307 0x0307
1439 #define USB_DEVICE_ID_GTCO_308 0x0308
1440 #define USB_DEVICE_ID_GTCO_309 0x0309
1441 #define USB_DEVICE_ID_GTCO_400 0x0400
1442 #define USB_DEVICE_ID_GTCO_401 0x0401
1443 #define USB_DEVICE_ID_GTCO_402 0x0402
1444 #define USB_DEVICE_ID_GTCO_403 0x0403
1445 #define USB_DEVICE_ID_GTCO_404 0x0404
1446 #define USB_DEVICE_ID_GTCO_405 0x0405
1447 #define USB_DEVICE_ID_GTCO_500 0x0500
1448 #define USB_DEVICE_ID_GTCO_501 0x0501
1449 #define USB_DEVICE_ID_GTCO_502 0x0502
1450 #define USB_DEVICE_ID_GTCO_503 0x0503
1451 #define USB_DEVICE_ID_GTCO_504 0x0504
1452 #define USB_DEVICE_ID_GTCO_1000 0x1000
1453 #define USB_DEVICE_ID_GTCO_1001 0x1001
1454 #define USB_DEVICE_ID_GTCO_1002 0x1002
1455 #define USB_DEVICE_ID_GTCO_1003 0x1003
1456 #define USB_DEVICE_ID_GTCO_1004 0x1004
1457 #define USB_DEVICE_ID_GTCO_1005 0x1005
1458 #define USB_DEVICE_ID_GTCO_1006 0x1006
1459
1460 #define USB_VENDOR_ID_WACOM 0x056a
1461
1462 #define USB_VENDOR_ID_ACECAD 0x0460
1463 #define USB_DEVICE_ID_ACECAD_FLAIR 0x0004
1464 #define USB_DEVICE_ID_ACECAD_302 0x0008
1465
1466 #define USB_VENDOR_ID_KBGEAR 0x084e
1467 #define USB_DEVICE_ID_KBGEAR_JAMSTUDIO 0x1001
1468
1469 #define USB_VENDOR_ID_AIPTEK 0x08ca
1470 #define USB_DEVICE_ID_AIPTEK_01 0x0001
1471 #define USB_DEVICE_ID_AIPTEK_10 0x0010
1472 #define USB_DEVICE_ID_AIPTEK_20 0x0020
1473 #define USB_DEVICE_ID_AIPTEK_21 0x0021
1474 #define USB_DEVICE_ID_AIPTEK_22 0x0022
1475 #define USB_DEVICE_ID_AIPTEK_23 0x0023
1476 #define USB_DEVICE_ID_AIPTEK_24 0x0024
1477
1478 #define USB_VENDOR_ID_GRIFFIN 0x077d
1479 #define USB_DEVICE_ID_POWERMATE 0x0410
1480 #define USB_DEVICE_ID_SOUNDKNOB 0x04AA
1481
1482 #define USB_VENDOR_ID_ATEN 0x0557
1483 #define USB_DEVICE_ID_ATEN_UC100KM 0x2004
1484 #define USB_DEVICE_ID_ATEN_CS124U 0x2202
1485 #define USB_DEVICE_ID_ATEN_2PORTKVM 0x2204
1486 #define USB_DEVICE_ID_ATEN_4PORTKVM 0x2205
1487 #define USB_DEVICE_ID_ATEN_4PORTKVMC 0x2208
1488
1489 #define USB_VENDOR_ID_TOPMAX 0x0663
1490 #define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103
1491
1492 #define USB_VENDOR_ID_HAPP 0x078b
1493 #define USB_DEVICE_ID_UGCI_DRIVING 0x0010
1494 #define USB_DEVICE_ID_UGCI_FLYING 0x0020
1495 #define USB_DEVICE_ID_UGCI_FIGHTING 0x0030
1496
1497 #define USB_VENDOR_ID_MGE 0x0463
1498 #define USB_DEVICE_ID_MGE_UPS 0xffff
1499 #define USB_DEVICE_ID_MGE_UPS1 0x0001
1500
1501 #define USB_VENDOR_ID_ONTRAK 0x0a07
1502 #define USB_DEVICE_ID_ONTRAK_ADU100 0x0064
1503
1504 #define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f
1505 #define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
1506
1507 #define USB_VENDOR_ID_A4TECH 0x09da
1508 #define USB_DEVICE_ID_A4TECH_WCP32PU 0x0006
1509
1510 #define USB_VENDOR_ID_AASHIMA 0x06d6
1511 #define USB_DEVICE_ID_AASHIMA_GAMEPAD 0x0025
1512 #define USB_DEVICE_ID_AASHIMA_PREDATOR 0x0026
1513
1514 #define USB_VENDOR_ID_CYPRESS 0x04b4
1515 #define USB_DEVICE_ID_CYPRESS_MOUSE 0x0001
1516 #define USB_DEVICE_ID_CYPRESS_HIDCOM 0x5500
1517 #define USB_DEVICE_ID_CYPRESS_ULTRAMOUSE 0x7417
1518
1519 #define USB_VENDOR_ID_BERKSHIRE 0x0c98
1520 #define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140
1521
1522 #define USB_VENDOR_ID_ALPS 0x0433
1523 #define USB_DEVICE_ID_IBM_GAMEPAD 0x1101
1524
1525 #define USB_VENDOR_ID_SAITEK 0x06a3
1526 #define USB_DEVICE_ID_SAITEK_RUMBLEPAD 0xff17
1527
1528 #define USB_VENDOR_ID_NEC 0x073e
1529 #define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301
1530
1531 #define USB_VENDOR_ID_CHIC 0x05fe
1532 #define USB_DEVICE_ID_CHIC_GAMEPAD 0x0014
1533
1534 #define USB_VENDOR_ID_GLAB 0x06c2
1535 #define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038
1536 #define USB_DEVICE_ID_1_PHIDGETSERVO_30 0x0039
1537 #define USB_DEVICE_ID_8_8_8_IF_KIT 0x0045
1538 #define USB_DEVICE_ID_0_0_4_IF_KIT 0x0040
1539 #define USB_DEVICE_ID_0_8_8_IF_KIT 0x0053
1540
1541 #define USB_VENDOR_ID_WISEGROUP 0x0925
1542 #define USB_DEVICE_ID_1_PHIDGETSERVO_20 0x8101
1543 #define USB_DEVICE_ID_4_PHIDGETSERVO_20 0x8104
1544 #define USB_DEVICE_ID_DUAL_USB_JOYPAD 0x8866
1545
1546 #define USB_VENDOR_ID_WISEGROUP_LTD 0x6677
1547 #define USB_DEVICE_ID_SMARTJOY_DUAL_PLUS 0x8802
1548
1549 #define USB_VENDOR_ID_CODEMERCS 0x07c0
1550 #define USB_DEVICE_ID_CODEMERCS_IOW40 0x1500
1551 #define USB_DEVICE_ID_CODEMERCS_IOW24 0x1501
1552 #define USB_DEVICE_ID_CODEMERCS_IOW48 0x1502
1553 #define USB_DEVICE_ID_CODEMERCS_IOW28 0x1503
1554
1555 #define USB_VENDOR_ID_DELORME 0x1163
1556 #define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100
1557 #define USB_DEVICE_ID_DELORME_EM_LT20 0x0200
1558
1559 #define USB_VENDOR_ID_MCC 0x09db
1560 #define USB_DEVICE_ID_MCC_PMD1024LS 0x0076
1561 #define USB_DEVICE_ID_MCC_PMD1208LS 0x007a
1562
1563 #define USB_VENDOR_ID_VERNIER 0x08f7
1564 #define USB_DEVICE_ID_VERNIER_LABPRO 0x0001
1565 #define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002
1566 #define USB_DEVICE_ID_VERNIER_SKIP 0x0003
1567 #define USB_DEVICE_ID_VERNIER_CYCLOPS 0x0004
1568
1569 #define USB_VENDOR_ID_LD 0x0f11
1570 #define USB_DEVICE_ID_LD_CASSY 0x1000
1571 #define USB_DEVICE_ID_LD_POCKETCASSY 0x1010
1572 #define USB_DEVICE_ID_LD_MOBILECASSY 0x1020
1573 #define USB_DEVICE_ID_LD_JWM 0x1080
1574 #define USB_DEVICE_ID_LD_DMMP 0x1081
1575 #define USB_DEVICE_ID_LD_UMIP 0x1090
1576 #define USB_DEVICE_ID_LD_XRAY1 0x1100
1577 #define USB_DEVICE_ID_LD_XRAY2 0x1101
1578 #define USB_DEVICE_ID_LD_VIDEOCOM 0x1200
1579 #define USB_DEVICE_ID_LD_COM3LAB 0x2000
1580 #define USB_DEVICE_ID_LD_TELEPORT 0x2010
1581 #define USB_DEVICE_ID_LD_NETWORKANALYSER 0x2020
1582 #define USB_DEVICE_ID_LD_POWERCONTROL 0x2030
1583 #define USB_DEVICE_ID_LD_MACHINETEST 0x2040
1584
1585 #define USB_VENDOR_ID_APPLE 0x05ac
1586 #define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304
1587
1588 #define USB_VENDOR_ID_CHERRY 0x046a
1589 #define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023
1590
1591 #define USB_VENDOR_ID_YEALINK 0x6993
1592 #define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K 0xb001
1593 /*
1594 * Alphabetically sorted blacklist by quirk type.
1595 */
1596
1597 static const struct hid_blacklist {
1598 __u16 idVendor;
1599 __u16 idProduct;
1600 unsigned quirks;
1601 } hid_blacklist[] = {
1602
1603 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01, HID_QUIRK_IGNORE },
1604 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10, HID_QUIRK_IGNORE },
1605 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20, HID_QUIRK_IGNORE },
1606 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21, HID_QUIRK_IGNORE },
1607 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22, HID_QUIRK_IGNORE },
1608 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23, HID_QUIRK_IGNORE },
1609 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24, HID_QUIRK_IGNORE },
1610 { USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD, HID_QUIRK_IGNORE },
1611 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW40, HID_QUIRK_IGNORE },
1612 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW24, HID_QUIRK_IGNORE },
1613 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW48, HID_QUIRK_IGNORE },
1614 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW28, HID_QUIRK_IGNORE },
1615 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM, HID_QUIRK_IGNORE },
1616 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE, HID_QUIRK_IGNORE },
1617 { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE, HID_QUIRK_IGNORE },
1618 { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20, HID_QUIRK_IGNORE },
1619 { USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5, HID_QUIRK_IGNORE },
1620 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
1621 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
1622 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT, HID_QUIRK_IGNORE },
1623 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT, HID_QUIRK_IGNORE },
1624 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT, HID_QUIRK_IGNORE },
1625 { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE, HID_QUIRK_IGNORE },
1626 { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB, HID_QUIRK_IGNORE },
1627 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90, HID_QUIRK_IGNORE },
1628 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100, HID_QUIRK_IGNORE },
1629 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101, HID_QUIRK_IGNORE },
1630 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103, HID_QUIRK_IGNORE },
1631 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104, HID_QUIRK_IGNORE },
1632 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105, HID_QUIRK_IGNORE },
1633 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106, HID_QUIRK_IGNORE },
1634 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107, HID_QUIRK_IGNORE },
1635 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108, HID_QUIRK_IGNORE },
1636 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200, HID_QUIRK_IGNORE },
1637 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201, HID_QUIRK_IGNORE },
1638 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202, HID_QUIRK_IGNORE },
1639 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203, HID_QUIRK_IGNORE },
1640 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204, HID_QUIRK_IGNORE },
1641 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205, HID_QUIRK_IGNORE },
1642 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206, HID_QUIRK_IGNORE },
1643 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207, HID_QUIRK_IGNORE },
1644 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300, HID_QUIRK_IGNORE },
1645 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301, HID_QUIRK_IGNORE },
1646 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302, HID_QUIRK_IGNORE },
1647 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303, HID_QUIRK_IGNORE },
1648 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304, HID_QUIRK_IGNORE },
1649 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305, HID_QUIRK_IGNORE },
1650 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306, HID_QUIRK_IGNORE },
1651 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307, HID_QUIRK_IGNORE },
1652 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308, HID_QUIRK_IGNORE },
1653 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309, HID_QUIRK_IGNORE },
1654 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400, HID_QUIRK_IGNORE },
1655 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401, HID_QUIRK_IGNORE },
1656 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402, HID_QUIRK_IGNORE },
1657 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403, HID_QUIRK_IGNORE },
1658 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404, HID_QUIRK_IGNORE },
1659 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405, HID_QUIRK_IGNORE },
1660 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500, HID_QUIRK_IGNORE },
1661 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501, HID_QUIRK_IGNORE },
1662 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502, HID_QUIRK_IGNORE },
1663 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503, HID_QUIRK_IGNORE },
1664 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504, HID_QUIRK_IGNORE },
1665 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000, HID_QUIRK_IGNORE },
1666 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001, HID_QUIRK_IGNORE },
1667 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002, HID_QUIRK_IGNORE },
1668 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003, HID_QUIRK_IGNORE },
1669 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004, HID_QUIRK_IGNORE },
1670 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005, HID_QUIRK_IGNORE },
1671 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006, HID_QUIRK_IGNORE },
1672 { USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO, HID_QUIRK_IGNORE },
1673 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY, HID_QUIRK_IGNORE },
1674 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY, HID_QUIRK_IGNORE },
1675 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY, HID_QUIRK_IGNORE },
1676 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM, HID_QUIRK_IGNORE },
1677 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP, HID_QUIRK_IGNORE },
1678 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP, HID_QUIRK_IGNORE },
1679 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY1, HID_QUIRK_IGNORE },
1680 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2, HID_QUIRK_IGNORE },
1681 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM, HID_QUIRK_IGNORE },
1682 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB, HID_QUIRK_IGNORE },
1683 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT, HID_QUIRK_IGNORE },
1684 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER, HID_QUIRK_IGNORE },
1685 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL, HID_QUIRK_IGNORE },
1686 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST, HID_QUIRK_IGNORE },
1687 { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS, HID_QUIRK_IGNORE },
1688 { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS, HID_QUIRK_IGNORE },
1689 { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_IGNORE },
1690 { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1, HID_QUIRK_IGNORE },
1691 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100, HID_QUIRK_IGNORE },
1692 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100, HID_QUIRK_IGNORE },
1693 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200, HID_QUIRK_IGNORE },
1694 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300, HID_QUIRK_IGNORE },
1695 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400, HID_QUIRK_IGNORE },
1696 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500, HID_QUIRK_IGNORE },
1697 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO, HID_QUIRK_IGNORE },
1698 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP, HID_QUIRK_IGNORE },
1699 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP, HID_QUIRK_IGNORE },
1700 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS, HID_QUIRK_IGNORE },
1701 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
1702 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
1703 { USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K, HID_QUIRK_IGNORE },
1704
1705 { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR, HID_QUIRK_IGNORE },
1706 { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302, HID_QUIRK_IGNORE },
1707
1708 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
1709 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
1710 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
1711 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
1712 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
1713 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
1714 { USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
1715
1716 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE, HID_QUIRK_MIGHTYMOUSE | HID_QUIRK_INVERT_HWHEEL },
1717 { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 },
1718 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 },
1719
1720 { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD },
1721 { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
1722 { USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD },
1723 { USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD },
1724 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
1725 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
1726 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
1727 { USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD },
1728 { USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD },
1729 { USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD },
1730
1731 { USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_CYMOTION },
1732
1733 { USB_VENDOR_ID_APPLE, 0x020E, HID_QUIRK_POWERBOOK_HAS_FN },
1734 { USB_VENDOR_ID_APPLE, 0x020F, HID_QUIRK_POWERBOOK_HAS_FN },
1735 { USB_VENDOR_ID_APPLE, 0x0214, HID_QUIRK_POWERBOOK_HAS_FN },
1736 { USB_VENDOR_ID_APPLE, 0x0215, HID_QUIRK_POWERBOOK_HAS_FN },
1737 { USB_VENDOR_ID_APPLE, 0x0216, HID_QUIRK_POWERBOOK_HAS_FN },
1738 { USB_VENDOR_ID_APPLE, 0x0217, HID_QUIRK_POWERBOOK_HAS_FN },
1739 { USB_VENDOR_ID_APPLE, 0x0218, HID_QUIRK_POWERBOOK_HAS_FN },
1740 { USB_VENDOR_ID_APPLE, 0x0219, HID_QUIRK_POWERBOOK_HAS_FN },
1741 { USB_VENDOR_ID_APPLE, 0x030A, HID_QUIRK_POWERBOOK_HAS_FN },
1742 { USB_VENDOR_ID_APPLE, 0x030B, HID_QUIRK_POWERBOOK_HAS_FN },
1743
1744 { USB_VENDOR_ID_PANJIT, 0x0001, HID_QUIRK_IGNORE },
1745 { USB_VENDOR_ID_PANJIT, 0x0002, HID_QUIRK_IGNORE },
1746 { USB_VENDOR_ID_PANJIT, 0x0003, HID_QUIRK_IGNORE },
1747 { USB_VENDOR_ID_PANJIT, 0x0004, HID_QUIRK_IGNORE },
1748
1749 { 0, 0 }
1750 };
1751
1752 /*
1753 * Traverse the supplied list of reports and find the longest
1754 */
1755 static void hid_find_max_report(struct hid_device *hid, unsigned int type, int *max)
1756 {
1757 struct hid_report *report;
1758 int size;
1759
1760 list_for_each_entry(report, &hid->report_enum[type].report_list, list) {
1761 size = ((report->size - 1) >> 3) + 1;
1762 if (type == HID_INPUT_REPORT && hid->report_enum[type].numbered)
1763 size++;
1764 if (*max < size)
1765 *max = size;
1766 }
1767 }
1768
1769 static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid)
1770 {
1771 if (!(hid->inbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->inbuf_dma)))
1772 return -1;
1773 if (!(hid->outbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->outbuf_dma)))
1774 return -1;
1775 if (!(hid->cr = usb_buffer_alloc(dev, sizeof(*(hid->cr)), SLAB_ATOMIC, &hid->cr_dma)))
1776 return -1;
1777 if (!(hid->ctrlbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->ctrlbuf_dma)))
1778 return -1;
1779
1780 return 0;
1781 }
1782
1783 static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid)
1784 {
1785 if (hid->inbuf)
1786 usb_buffer_free(dev, hid->bufsize, hid->inbuf, hid->inbuf_dma);
1787 if (hid->outbuf)
1788 usb_buffer_free(dev, hid->bufsize, hid->outbuf, hid->outbuf_dma);
1789 if (hid->cr)
1790 usb_buffer_free(dev, sizeof(*(hid->cr)), hid->cr, hid->cr_dma);
1791 if (hid->ctrlbuf)
1792 usb_buffer_free(dev, hid->bufsize, hid->ctrlbuf, hid->ctrlbuf_dma);
1793 }
1794
1795 /*
1796 * Cherry Cymotion keyboard have an invalid HID report descriptor,
1797 * that needs fixing before we can parse it.
1798 */
1799
1800 static void hid_fixup_cymotion_descriptor(char *rdesc, int rsize)
1801 {
1802 if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) {
1803 info("Fixing up Cherry Cymotion report descriptor");
1804 rdesc[11] = rdesc[16] = 0xff;
1805 rdesc[12] = rdesc[17] = 0x03;
1806 }
1807 }
1808
1809 static struct hid_device *usb_hid_configure(struct usb_interface *intf)
1810 {
1811 struct usb_host_interface *interface = intf->cur_altsetting;
1812 struct usb_device *dev = interface_to_usbdev (intf);
1813 struct hid_descriptor *hdesc;
1814 struct hid_device *hid;
1815 unsigned quirks = 0, rsize = 0;
1816 char *rdesc;
1817 int n, len, insize = 0;
1818
1819 /* Ignore all Wacom devices */
1820 if (dev->descriptor.idVendor == USB_VENDOR_ID_WACOM)
1821 return NULL;
1822
1823 for (n = 0; hid_blacklist[n].idVendor; n++)
1824 if ((hid_blacklist[n].idVendor == le16_to_cpu(dev->descriptor.idVendor)) &&
1825 (hid_blacklist[n].idProduct == le16_to_cpu(dev->descriptor.idProduct)))
1826 quirks = hid_blacklist[n].quirks;
1827
1828 /* Many keyboards and mice don't like to be polled for reports,
1829 * so we will always set the HID_QUIRK_NOGET flag for them. */
1830 if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT) {
1831 if (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_KEYBOARD ||
1832 interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE)
1833 quirks |= HID_QUIRK_NOGET;
1834 }
1835
1836 if (quirks & HID_QUIRK_IGNORE)
1837 return NULL;
1838
1839 if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) &&
1840 (!interface->desc.bNumEndpoints ||
1841 usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) {
1842 dbg("class descriptor not present\n");
1843 return NULL;
1844 }
1845
1846 for (n = 0; n < hdesc->bNumDescriptors; n++)
1847 if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT)
1848 rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength);
1849
1850 if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) {
1851 dbg("weird size of report descriptor (%u)", rsize);
1852 return NULL;
1853 }
1854
1855 if (!(rdesc = kmalloc(rsize, GFP_KERNEL))) {
1856 dbg("couldn't allocate rdesc memory");
1857 return NULL;
1858 }
1859
1860 hid_set_idle(dev, interface->desc.bInterfaceNumber, 0, 0);
1861
1862 if ((n = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber, HID_DT_REPORT, rdesc, rsize)) < 0) {
1863 dbg("reading report descriptor failed");
1864 kfree(rdesc);
1865 return NULL;
1866 }
1867
1868 if ((quirks & HID_QUIRK_CYMOTION))
1869 hid_fixup_cymotion_descriptor(rdesc, rsize);
1870
1871 #ifdef DEBUG_DATA
1872 printk(KERN_DEBUG __FILE__ ": report descriptor (size %u, read %d) = ", rsize, n);
1873 for (n = 0; n < rsize; n++)
1874 printk(" %02x", (unsigned char) rdesc[n]);
1875 printk("\n");
1876 #endif
1877
1878 if (!(hid = hid_parse_report(rdesc, n))) {
1879 dbg("parsing report descriptor failed");
1880 kfree(rdesc);
1881 return NULL;
1882 }
1883
1884 kfree(rdesc);
1885 hid->quirks = quirks;
1886
1887 hid->bufsize = HID_MIN_BUFFER_SIZE;
1888 hid_find_max_report(hid, HID_INPUT_REPORT, &hid->bufsize);
1889 hid_find_max_report(hid, HID_OUTPUT_REPORT, &hid->bufsize);
1890 hid_find_max_report(hid, HID_FEATURE_REPORT, &hid->bufsize);
1891
1892 if (hid->bufsize > HID_MAX_BUFFER_SIZE)
1893 hid->bufsize = HID_MAX_BUFFER_SIZE;
1894
1895 hid_find_max_report(hid, HID_INPUT_REPORT, &insize);
1896
1897 if (insize > HID_MAX_BUFFER_SIZE)
1898 insize = HID_MAX_BUFFER_SIZE;
1899
1900 if (hid_alloc_buffers(dev, hid)) {
1901 hid_free_buffers(dev, hid);
1902 goto fail;
1903 }
1904
1905 for (n = 0; n < interface->desc.bNumEndpoints; n++) {
1906
1907 struct usb_endpoint_descriptor *endpoint;
1908 int pipe;
1909 int interval;
1910
1911 endpoint = &interface->endpoint[n].desc;
1912 if ((endpoint->bmAttributes & 3) != 3) /* Not an interrupt endpoint */
1913 continue;
1914
1915 interval = endpoint->bInterval;
1916
1917 /* Change the polling interval of mice. */
1918 if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0)
1919 interval = hid_mousepoll_interval;
1920
1921 if (endpoint->bEndpointAddress & USB_DIR_IN) {
1922 if (hid->urbin)
1923 continue;
1924 if (!(hid->urbin = usb_alloc_urb(0, GFP_KERNEL)))
1925 goto fail;
1926 pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
1927 usb_fill_int_urb(hid->urbin, dev, pipe, hid->inbuf, insize,
1928 hid_irq_in, hid, interval);
1929 hid->urbin->transfer_dma = hid->inbuf_dma;
1930 hid->urbin->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1931 } else {
1932 if (hid->urbout)
1933 continue;
1934 if (!(hid->urbout = usb_alloc_urb(0, GFP_KERNEL)))
1935 goto fail;
1936 pipe = usb_sndintpipe(dev, endpoint->bEndpointAddress);
1937 usb_fill_int_urb(hid->urbout, dev, pipe, hid->outbuf, 0,
1938 hid_irq_out, hid, interval);
1939 hid->urbout->transfer_dma = hid->outbuf_dma;
1940 hid->urbout->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1941 }
1942 }
1943
1944 if (!hid->urbin) {
1945 err("couldn't find an input interrupt endpoint");
1946 goto fail;
1947 }
1948
1949 init_waitqueue_head(&hid->wait);
1950
1951 INIT_WORK(&hid->reset_work, hid_reset, hid);
1952 setup_timer(&hid->io_retry, hid_retry_timeout, (unsigned long) hid);
1953
1954 spin_lock_init(&hid->inlock);
1955 spin_lock_init(&hid->outlock);
1956 spin_lock_init(&hid->ctrllock);
1957
1958 hid->version = le16_to_cpu(hdesc->bcdHID);
1959 hid->country = hdesc->bCountryCode;
1960 hid->dev = dev;
1961 hid->intf = intf;
1962 hid->ifnum = interface->desc.bInterfaceNumber;
1963
1964 hid->name[0] = 0;
1965
1966 if (dev->manufacturer)
1967 strlcpy(hid->name, dev->manufacturer, sizeof(hid->name));
1968
1969 if (dev->product) {
1970 if (dev->manufacturer)
1971 strlcat(hid->name, " ", sizeof(hid->name));
1972 strlcat(hid->name, dev->product, sizeof(hid->name));
1973 }
1974
1975 if (!strlen(hid->name))
1976 snprintf(hid->name, sizeof(hid->name), "HID %04x:%04x",
1977 le16_to_cpu(dev->descriptor.idVendor),
1978 le16_to_cpu(dev->descriptor.idProduct));
1979
1980 usb_make_path(dev, hid->phys, sizeof(hid->phys));
1981 strlcat(hid->phys, "/input", sizeof(hid->phys));
1982 len = strlen(hid->phys);
1983 if (len < sizeof(hid->phys) - 1)
1984 snprintf(hid->phys + len, sizeof(hid->phys) - len,
1985 "%d", intf->altsetting[0].desc.bInterfaceNumber);
1986
1987 if (usb_string(dev, dev->descriptor.iSerialNumber, hid->uniq, 64) <= 0)
1988 hid->uniq[0] = 0;
1989
1990 hid->urbctrl = usb_alloc_urb(0, GFP_KERNEL);
1991 if (!hid->urbctrl)
1992 goto fail;
1993
1994 usb_fill_control_urb(hid->urbctrl, dev, 0, (void *) hid->cr,
1995 hid->ctrlbuf, 1, hid_ctrl, hid);
1996 hid->urbctrl->setup_dma = hid->cr_dma;
1997 hid->urbctrl->transfer_dma = hid->ctrlbuf_dma;
1998 hid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP);
1999
2000 return hid;
2001
2002 fail:
2003
2004 if (hid->urbin)
2005 usb_free_urb(hid->urbin);
2006 if (hid->urbout)
2007 usb_free_urb(hid->urbout);
2008 if (hid->urbctrl)
2009 usb_free_urb(hid->urbctrl);
2010 hid_free_buffers(dev, hid);
2011 hid_free_device(hid);
2012
2013 return NULL;
2014 }
2015
2016 static void hid_disconnect(struct usb_interface *intf)
2017 {
2018 struct hid_device *hid = usb_get_intfdata (intf);
2019
2020 if (!hid)
2021 return;
2022
2023 spin_lock_irq(&hid->inlock); /* Sync with error handler */
2024 usb_set_intfdata(intf, NULL);
2025 spin_unlock_irq(&hid->inlock);
2026 usb_kill_urb(hid->urbin);
2027 usb_kill_urb(hid->urbout);
2028 usb_kill_urb(hid->urbctrl);
2029
2030 del_timer_sync(&hid->io_retry);
2031 flush_scheduled_work();
2032
2033 if (hid->claimed & HID_CLAIMED_INPUT)
2034 hidinput_disconnect(hid);
2035 if (hid->claimed & HID_CLAIMED_HIDDEV)
2036 hiddev_disconnect(hid);
2037
2038 usb_free_urb(hid->urbin);
2039 usb_free_urb(hid->urbctrl);
2040 if (hid->urbout)
2041 usb_free_urb(hid->urbout);
2042
2043 hid_free_buffers(hid->dev, hid);
2044 hid_free_device(hid);
2045 }
2046
2047 static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id)
2048 {
2049 struct hid_device *hid;
2050 char path[64];
2051 int i;
2052 char *c;
2053
2054 dbg("HID probe called for ifnum %d",
2055 intf->altsetting->desc.bInterfaceNumber);
2056
2057 if (!(hid = usb_hid_configure(intf)))
2058 return -ENODEV;
2059
2060 hid_init_reports(hid);
2061 hid_dump_device(hid);
2062
2063 if (!hidinput_connect(hid))
2064 hid->claimed |= HID_CLAIMED_INPUT;
2065 if (!hiddev_connect(hid))
2066 hid->claimed |= HID_CLAIMED_HIDDEV;
2067
2068 usb_set_intfdata(intf, hid);
2069
2070 if (!hid->claimed) {
2071 printk ("HID device not claimed by input or hiddev\n");
2072 hid_disconnect(intf);
2073 return -ENODEV;
2074 }
2075
2076 printk(KERN_INFO);
2077
2078 if (hid->claimed & HID_CLAIMED_INPUT)
2079 printk("input");
2080 if (hid->claimed == (HID_CLAIMED_INPUT | HID_CLAIMED_HIDDEV))
2081 printk(",");
2082 if (hid->claimed & HID_CLAIMED_HIDDEV)
2083 printk("hiddev%d", hid->minor);
2084
2085 c = "Device";
2086 for (i = 0; i < hid->maxcollection; i++) {
2087 if (hid->collection[i].type == HID_COLLECTION_APPLICATION &&
2088 (hid->collection[i].usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
2089 (hid->collection[i].usage & 0xffff) < ARRAY_SIZE(hid_types)) {
2090 c = hid_types[hid->collection[i].usage & 0xffff];
2091 break;
2092 }
2093 }
2094
2095 usb_make_path(interface_to_usbdev(intf), path, 63);
2096
2097 printk(": USB HID v%x.%02x %s [%s] on %s\n",
2098 hid->version >> 8, hid->version & 0xff, c, hid->name, path);
2099
2100 return 0;
2101 }
2102
2103 static int hid_suspend(struct usb_interface *intf, pm_message_t message)
2104 {
2105 struct hid_device *hid = usb_get_intfdata (intf);
2106
2107 spin_lock_irq(&hid->inlock); /* Sync with error handler */
2108 set_bit(HID_SUSPENDED, &hid->iofl);
2109 spin_unlock_irq(&hid->inlock);
2110 del_timer(&hid->io_retry);
2111 usb_kill_urb(hid->urbin);
2112 dev_dbg(&intf->dev, "suspend\n");
2113 return 0;
2114 }
2115
2116 static int hid_resume(struct usb_interface *intf)
2117 {
2118 struct hid_device *hid = usb_get_intfdata (intf);
2119 int status;
2120
2121 clear_bit(HID_SUSPENDED, &hid->iofl);
2122 hid->retry_delay = 0;
2123 status = hid_start_in(hid);
2124 dev_dbg(&intf->dev, "resume status %d\n", status);
2125 return status;
2126 }
2127
2128 /* Treat USB reset pretty much the same as suspend/resume */
2129 static void hid_pre_reset(struct usb_interface *intf)
2130 {
2131 /* FIXME: What if the interface is already suspended? */
2132 hid_suspend(intf, PMSG_ON);
2133 }
2134
2135 static void hid_post_reset(struct usb_interface *intf)
2136 {
2137 struct usb_device *dev = interface_to_usbdev (intf);
2138
2139 hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0);
2140 /* FIXME: Any more reinitialization needed? */
2141
2142 hid_resume(intf);
2143 }
2144
2145 static struct usb_device_id hid_usb_ids [] = {
2146 { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS,
2147 .bInterfaceClass = USB_INTERFACE_CLASS_HID },
2148 { } /* Terminating entry */
2149 };
2150
2151 MODULE_DEVICE_TABLE (usb, hid_usb_ids);
2152
2153 static struct usb_driver hid_driver = {
2154 .name = "usbhid",
2155 .probe = hid_probe,
2156 .disconnect = hid_disconnect,
2157 .suspend = hid_suspend,
2158 .resume = hid_resume,
2159 .pre_reset = hid_pre_reset,
2160 .post_reset = hid_post_reset,
2161 .id_table = hid_usb_ids,
2162 };
2163
2164 static int __init hid_init(void)
2165 {
2166 int retval;
2167 retval = hiddev_init();
2168 if (retval)
2169 goto hiddev_init_fail;
2170 retval = usb_register(&hid_driver);
2171 if (retval)
2172 goto usb_register_fail;
2173 info(DRIVER_VERSION ":" DRIVER_DESC);
2174
2175 return 0;
2176 usb_register_fail:
2177 hiddev_exit();
2178 hiddev_init_fail:
2179 return retval;
2180 }
2181
2182 static void __exit hid_exit(void)
2183 {
2184 usb_deregister(&hid_driver);
2185 hiddev_exit();
2186 }
2187
2188 module_init(hid_init);
2189 module_exit(hid_exit);
2190
2191 MODULE_AUTHOR(DRIVER_AUTHOR);
2192 MODULE_DESCRIPTION(DRIVER_DESC);
2193 MODULE_LICENSE(DRIVER_LICENSE);
Verdex Pro support