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Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[deliverable/linux.git] / drivers / usb / input / hid-core.c
CommitLineData
1da177e4
LT		 1/*
2 * USB HID support for Linux
3 *
4 * Copyright (c) 1999 Andreas Gal
bf0964dc
MH		 5 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
6 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
1da177e4
LT		 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
bf0964dc 42#define DRIVER_VERSION "v2.6"
1da177e4
LT		 43#define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik"
44#define DRIVER_DESC "USB HID core driver"
45#define DRIVER_LICENSE "GPL"
46
47static char *hid_types[] = {"Device", "Pointer", "Mouse", "Device", "Joystick",
48 "Gamepad", "Keyboard", "Keypad", "Multi-Axis Controller"};
49/*
50 * Module parameters.
51 */
52
53static unsigned int hid_mousepoll_interval;
54module_param_named(mousepoll, hid_mousepoll_interval, uint, 0644);
55MODULE_PARM_DESC(mousepoll, "Polling interval of mice");
56
57/*
58 * Register a new report for a device.
59 */
60
61static 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
bbdb7daf 69 if (!(report = kzalloc(sizeof(struct hid_report), GFP_KERNEL)))
1da177e4 70 return NULL;
1da177e4
LT		 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
90static 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
bbdb7daf 99 if (!(field = kzalloc(sizeof(struct hid_field) + usages * sizeof(struct hid_usage)
1da177e4
LT		 100 + values * sizeof(unsigned), GFP_KERNEL))) return NULL;
101
1da177e4
LT		 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
115static 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
164static 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
179static 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
192static 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
210static 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 */
05f091ab 232 return 0;
1da177e4
LT		 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
68717950 273static u32 item_udata(struct hid_item *item)
1da177e4
LT		 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
68717950 283static s32 item_sdata(struct hid_item *item)
1da177e4
LT		 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
297static 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
388static 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
480static 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
517static 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
529static 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
542static void hid_free_device(struct hid_device *device)
543{
544 unsigned i,j;
545
1da177e4
LT		 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
1bc3c9e1 556 kfree(device->rdesc);
1da177e4
LT		 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
565static 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
633static 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
bbdb7daf 648 if (!(device = kzalloc(sizeof(struct hid_device), GFP_KERNEL)))
1da177e4 649 return NULL;
1da177e4 650
bbdb7daf 651 if (!(device->collection = kzalloc(sizeof(struct hid_collection) *
1da177e4
LT		 652 HID_DEFAULT_NUM_COLLECTIONS, GFP_KERNEL))) {
653 kfree(device);
654 return NULL;
655 }
1da177e4
LT		 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
bbdb7daf 669 if (!(parser = kzalloc(sizeof(struct hid_parser), GFP_KERNEL))) {
1da177e4
LT		 670 kfree(device->rdesc);
671 kfree(device->collection);
672 kfree(device);
673 return NULL;
674 }
1da177e4
LT		 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
68717950 730static s32 snto32(__u32 value, unsigned n)
1da177e4
LT		 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
68717950 744static u32 s32ton(__s32 value, unsigned n)
1da177e4 745{
68717950 746 s32 a = value >> (n - 1);
1da177e4
LT		 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/*
4550718f 753 * Extract/implement a data field from/to a little endian report (bit array).
68717950
GG		 754 *
755 * Code sort-of follows HID spec:
756 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf
757 *
758 * While the USB HID spec allows unlimited length bit fields in "report
759 * descriptors", most devices never use more than 16 bits.
760 * One model of UPS is claimed to report "LINEV" as a 32-bit field.
761 * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1da177e4
LT		 762 */
763
764static __inline__ __u32 extract(__u8 *report, unsigned offset, unsigned n)
765{
68717950
GG		 766 u64 x;
767
768 WARN_ON(n > 32);
4550718f
GG		 769
770 report += offset >> 3; /* adjust byte index */
68717950
GG		 771 offset &= 7; /* now only need bit offset into one byte */
772 x = get_unaligned((u64 *) report);
773 x = le64_to_cpu(x);
774 x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */
775 return (u32) x;
1da177e4
LT		 776}
777
68717950
GG		 778/*
779 * "implement" : set bits in a little endian bit stream.
780 * Same concepts as "extract" (see comments above).
781 * The data mangled in the bit stream remains in little endian
782 * order the whole time. It make more sense to talk about
783 * endianness of register values by considering a register
784 * a "cached" copy of the little endiad bit stream.
785 */
1da177e4
LT		 786static __inline__ void implement(__u8 *report, unsigned offset, unsigned n, __u32 value)
787{
68717950
GG		 788 u64 x;
789 u64 m = (1ULL << n) - 1;
790
791 WARN_ON(n > 32);
792
793 WARN_ON(value > m);
794 value &= m;
4550718f
GG		 795
796 report += offset >> 3;
68717950
GG		 797 offset &= 7;
798
799 x = get_unaligned((u64 *)report);
800 x &= cpu_to_le64(~(m << offset));
801 x |= cpu_to_le64(((u64) value) << offset);
802 put_unaligned(x, (u64 *) report);
1da177e4
LT		 803}
804
805/*
806 * Search an array for a value.
807 */
808
809static __inline__ int search(__s32 *array, __s32 value, unsigned n)
810{
811 while (n--) {
812 if (*array++ == value)
813 return 0;
814 }
815 return -1;
816}
817
7d12e780 818static void hid_process_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value, int interrupt)
1da177e4
LT		 819{
820 hid_dump_input(usage, value);
821 if (hid->claimed & HID_CLAIMED_INPUT)
7d12e780 822 hidinput_hid_event(hid, field, usage, value);
bc5d0482 823 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt)
7d12e780 824 hiddev_hid_event(hid, field, usage, value);
1da177e4
LT		 825}
826
827/*
828 * Analyse a received field, and fetch the data from it. The field
829 * content is stored for next report processing (we do differential
830 * reporting to the layer).
831 */
832
7d12e780 833static void hid_input_field(struct hid_device *hid, struct hid_field *field, __u8 *data, int interrupt)
1da177e4
LT		 834{
835 unsigned n;
836 unsigned count = field->report_count;
837 unsigned offset = field->report_offset;
838 unsigned size = field->report_size;
839 __s32 min = field->logical_minimum;
840 __s32 max = field->logical_maximum;
841 __s32 *value;
842
843 if (!(value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC)))
844 return;
845
846 for (n = 0; n < count; n++) {
847
848 value[n] = min < 0 ? snto32(extract(data, offset + n * size, size), size) :
849 extract(data, offset + n * size, size);
850
851 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) /* Ignore report if ErrorRollOver */
852 && value[n] >= min && value[n] <= max
853 && field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
854 goto exit;
855 }
856
857 for (n = 0; n < count; n++) {
858
859 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
7d12e780 860 hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1da177e4
LT		 861 continue;
862 }
863
864 if (field->value[n] >= min && field->value[n] <= max
865 && field->usage[field->value[n] - min].hid
866 && search(value, field->value[n], count))
7d12e780 867 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1da177e4
LT		 868
869 if (value[n] >= min && value[n] <= max
870 && field->usage[value[n] - min].hid
871 && search(field->value, value[n], count))
7d12e780 872 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1da177e4
LT		 873 }
874
875 memcpy(field->value, value, count * sizeof(__s32));
876exit:
877 kfree(value);
878}
879
7d12e780 880static int hid_input_report(int type, struct urb *urb, int interrupt)
1da177e4
LT		 881{
882 struct hid_device *hid = urb->context;
883 struct hid_report_enum *report_enum = hid->report_enum + type;
884 u8 *data = urb->transfer_buffer;
885 int len = urb->actual_length;
886 struct hid_report *report;
887 int n, size;
888
889 if (!len) {
890 dbg("empty report");
891 return -1;
892 }
893
894#ifdef DEBUG_DATA
895 printk(KERN_DEBUG __FILE__ ": report (size %u) (%snumbered)\n", len, report_enum->numbered ? "" : "un");
896#endif
897
898 n = 0; /* Normally report number is 0 */
899 if (report_enum->numbered) { /* Device uses numbered reports, data[0] is report number */
900 n = *data++;
901 len--;
902 }
903
904#ifdef DEBUG_DATA
905 {
906 int i;
907 printk(KERN_DEBUG __FILE__ ": report %d (size %u) = ", n, len);
908 for (i = 0; i < len; i++)
909 printk(" %02x", data[i]);
910 printk("\n");
911 }
912#endif
913
914 if (!(report = report_enum->report_id_hash[n])) {
915 dbg("undefined report_id %d received", n);
916 return -1;
917 }
918
919 size = ((report->size - 1) >> 3) + 1;
920
cd610457 921 if (len < size) {
1da177e4 922 dbg("report %d is too short, (%d < %d)", report->id, len, size);
cd610457
AK		 923 memset(data + len, 0, size - len);
924 }
1da177e4
LT		 925
926 if (hid->claimed & HID_CLAIMED_HIDDEV)
927 hiddev_report_event(hid, report);
928
929 for (n = 0; n < report->maxfield; n++)
7d12e780 930 hid_input_field(hid, report->field[n], data, interrupt);
1da177e4
LT		 931
932 if (hid->claimed & HID_CLAIMED_INPUT)
933 hidinput_report_event(hid, report);
934
935 return 0;
936}
937
aef4e266
AS		 938/*
939 * Input submission and I/O error handler.
940 */
941
942static void hid_io_error(struct hid_device *hid);
943
944/* Start up the input URB */
945static int hid_start_in(struct hid_device *hid)
946{
947 unsigned long flags;
948 int rc = 0;
949
950 spin_lock_irqsave(&hid->inlock, flags);
951 if (hid->open > 0 && !test_bit(HID_SUSPENDED, &hid->iofl) &&
952 !test_and_set_bit(HID_IN_RUNNING, &hid->iofl)) {
953 rc = usb_submit_urb(hid->urbin, GFP_ATOMIC);
954 if (rc != 0)
955 clear_bit(HID_IN_RUNNING, &hid->iofl);
956 }
957 spin_unlock_irqrestore(&hid->inlock, flags);
958 return rc;
959}
960
961/* I/O retry timer routine */
962static void hid_retry_timeout(unsigned long _hid)
963{
964 struct hid_device *hid = (struct hid_device *) _hid;
965
966 dev_dbg(&hid->intf->dev, "retrying intr urb\n");
967 if (hid_start_in(hid))
968 hid_io_error(hid);
969}
970
971/* Workqueue routine to reset the device */
972static void hid_reset(void *_hid)
973{
974 struct hid_device *hid = (struct hid_device *) _hid;
975 int rc_lock, rc;
976
977 dev_dbg(&hid->intf->dev, "resetting device\n");
978 rc = rc_lock = usb_lock_device_for_reset(hid->dev, hid->intf);
979 if (rc_lock >= 0) {
df9a1f48 980 rc = usb_reset_composite_device(hid->dev, hid->intf);
aef4e266
AS		 981 if (rc_lock)
982 usb_unlock_device(hid->dev);
983 }
984 clear_bit(HID_RESET_PENDING, &hid->iofl);
985
df9a1f48
AS		 986 switch (rc) {
987 case 0:
988 if (!test_bit(HID_IN_RUNNING, &hid->iofl))
aef4e266 989 hid_io_error(hid);
df9a1f48
AS		 990 break;
991 default:
aef4e266
AS		 992 err("can't reset device, %s-%s/input%d, status %d",
993 hid->dev->bus->bus_name,
994 hid->dev->devpath,
995 hid->ifnum, rc);
df9a1f48
AS		 996 /* FALLTHROUGH */
997 case -EHOSTUNREACH:
998 case -ENODEV:
999 case -EINTR:
1000 break;
1001 }
aef4e266
AS		 1002}
1003
1004/* Main I/O error handler */
1005static void hid_io_error(struct hid_device *hid)
1006{
1007 unsigned long flags;
1008
1009 spin_lock_irqsave(&hid->inlock, flags);
1010
1011 /* Stop when disconnected */
1012 if (usb_get_intfdata(hid->intf) == NULL)
1013 goto done;
1014
1015 /* When an error occurs, retry at increasing intervals */
1016 if (hid->retry_delay == 0) {
1017 hid->retry_delay = 13; /* Then 26, 52, 104, 104, ... */
1018 hid->stop_retry = jiffies + msecs_to_jiffies(1000);
1019 } else if (hid->retry_delay < 100)
1020 hid->retry_delay *= 2;
1021
1022 if (time_after(jiffies, hid->stop_retry)) {
1023
1024 /* Retries failed, so do a port reset */
1025 if (!test_and_set_bit(HID_RESET_PENDING, &hid->iofl)) {
1026 if (schedule_work(&hid->reset_work))
1027 goto done;
1028 clear_bit(HID_RESET_PENDING, &hid->iofl);
1029 }
1030 }
1031
1032 mod_timer(&hid->io_retry,
1033 jiffies + msecs_to_jiffies(hid->retry_delay));
1034done:
1035 spin_unlock_irqrestore(&hid->inlock, flags);
1036}
1037
1da177e4
LT		 1038/*
1039 * Input interrupt completion handler.
1040 */
1041
7d12e780 1042static void hid_irq_in(struct urb *urb)
1da177e4
LT		 1043{
1044 struct hid_device *hid = urb->context;
1045 int status;
1046
1047 switch (urb->status) {
1048 case 0: /* success */
aef4e266 1049 hid->retry_delay = 0;
7d12e780 1050 hid_input_report(HID_INPUT_REPORT, urb, 1);
1da177e4
LT		 1051 break;
1052 case -ECONNRESET: /* unlink */
1053 case -ENOENT:
1da177e4 1054 case -ESHUTDOWN: /* unplug */
aef4e266 1055 clear_bit(HID_IN_RUNNING, &hid->iofl);
1da177e4 1056 return;
aef4e266
AS		 1057 case -EILSEQ: /* protocol error or unplug */
1058 case -EPROTO: /* protocol error or unplug */
38e2bfc9
PZ		 1059 case -ETIME: /* protocol error or unplug */
1060 case -ETIMEDOUT: /* Should never happen, but... */
aef4e266
AS		 1061 clear_bit(HID_IN_RUNNING, &hid->iofl);
1062 hid_io_error(hid);
1063 return;
1da177e4
LT		 1064 default: /* error */
1065 warn("input irq status %d received", urb->status);
1066 }
1067
1068 status = usb_submit_urb(urb, SLAB_ATOMIC);
aef4e266
AS		 1069 if (status) {
1070 clear_bit(HID_IN_RUNNING, &hid->iofl);
1071 if (status != -EPERM) {
1072 err("can't resubmit intr, %s-%s/input%d, status %d",
1073 hid->dev->bus->bus_name,
1074 hid->dev->devpath,
1075 hid->ifnum, status);
1076 hid_io_error(hid);
1077 }
1078 }
1da177e4
LT		 1079}
1080
1081/*
1082 * Output the field into the report.
1083 */
1084
1085static void hid_output_field(struct hid_field *field, __u8 *data)
1086{
1087 unsigned count = field->report_count;
1088 unsigned offset = field->report_offset;
1089 unsigned size = field->report_size;
1090 unsigned n;
1091
1092 for (n = 0; n < count; n++) {
1093 if (field->logical_minimum < 0) /* signed values */
1094 implement(data, offset + n * size, size, s32ton(field->value[n], size));
1095 else /* unsigned values */
1096 implement(data, offset + n * size, size, field->value[n]);
1097 }
1098}
1099
1100/*
1101 * Create a report.
1102 */
1103
1104static void hid_output_report(struct hid_report *report, __u8 *data)
1105{
1106 unsigned n;
1107
1108 if (report->id > 0)
1109 *data++ = report->id;
1110
1111 for (n = 0; n < report->maxfield; n++)
1112 hid_output_field(report->field[n], data);
1113}
1114
1115/*
1116 * Set a field value. The report this field belongs to has to be
1117 * created and transferred to the device, to set this value in the
1118 * device.
1119 */
1120
1121int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1122{
1123 unsigned size = field->report_size;
1124
1125 hid_dump_input(field->usage + offset, value);
1126
1127 if (offset >= field->report_count) {
1128 dbg("offset (%d) exceeds report_count (%d)", offset, field->report_count);
1129 hid_dump_field(field, 8);
1130 return -1;
1131 }
1132 if (field->logical_minimum < 0) {
1133 if (value != snto32(s32ton(value, size), size)) {
1134 dbg("value %d is out of range", value);
1135 return -1;
1136 }
1137 }
1138 field->value[offset] = value;
1139 return 0;
1140}
1141
1142/*
1143 * Find a report field with a specified HID usage.
1144 */
f287caee 1145#if 0
1da177e4
LT		 1146struct hid_field *hid_find_field_by_usage(struct hid_device *hid, __u32 wanted_usage, int type)
1147{
1148 struct hid_report *report;
1149 int i;
1150
1151 list_for_each_entry(report, &hid->report_enum[type].report_list, list)
1152 for (i = 0; i < report->maxfield; i++)
1153 if (report->field[i]->logical == wanted_usage)
1154 return report->field[i];
1155 return NULL;
1156}
f287caee 1157#endif /* 0 */
1da177e4
LT		 1158
1159static int hid_submit_out(struct hid_device *hid)
1160{
1161 struct hid_report *report;
1162
1163 report = hid->out[hid->outtail];
1164
1165 hid_output_report(report, hid->outbuf);
1166 hid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0);
1167 hid->urbout->dev = hid->dev;
1168
1169 dbg("submitting out urb");
1170
1171 if (usb_submit_urb(hid->urbout, GFP_ATOMIC)) {
1172 err("usb_submit_urb(out) failed");
1173 return -1;
1174 }
1175
1176 return 0;
1177}
1178
1179static int hid_submit_ctrl(struct hid_device *hid)
1180{
1181 struct hid_report *report;
1182 unsigned char dir;
1183 int len;
1184
1185 report = hid->ctrl[hid->ctrltail].report;
1186 dir = hid->ctrl[hid->ctrltail].dir;
1187
1188 len = ((report->size - 1) >> 3) + 1 + (report->id > 0);
1189 if (dir == USB_DIR_OUT) {
1190 hid_output_report(report, hid->ctrlbuf);
1191 hid->urbctrl->pipe = usb_sndctrlpipe(hid->dev, 0);
1192 hid->urbctrl->transfer_buffer_length = len;
1193 } else {
1194 int maxpacket, padlen;
1195
1196 hid->urbctrl->pipe = usb_rcvctrlpipe(hid->dev, 0);
1197 maxpacket = usb_maxpacket(hid->dev, hid->urbctrl->pipe, 0);
1198 if (maxpacket > 0) {
1199 padlen = (len + maxpacket - 1) / maxpacket;
1200 padlen *= maxpacket;
bf0964dc
MH		 1201 if (padlen > hid->bufsize)
1202 padlen = hid->bufsize;
1da177e4
LT		 1203 } else
1204 padlen = 0;
1205 hid->urbctrl->transfer_buffer_length = padlen;
1206 }
1207 hid->urbctrl->dev = hid->dev;
1208
1209 hid->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | dir;
1210 hid->cr->bRequest = (dir == USB_DIR_OUT) ? HID_REQ_SET_REPORT : HID_REQ_GET_REPORT;
1211 hid->cr->wValue = cpu_to_le16(((report->type + 1) << 8) | report->id);
1212 hid->cr->wIndex = cpu_to_le16(hid->ifnum);
1213 hid->cr->wLength = cpu_to_le16(len);
1214
1215 dbg("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u",
1216 hid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : "Get_Report",
1217 hid->cr->wValue, hid->cr->wIndex, hid->cr->wLength);
1218
1219 if (usb_submit_urb(hid->urbctrl, GFP_ATOMIC)) {
1220 err("usb_submit_urb(ctrl) failed");
1221 return -1;
1222 }
1223
1224 return 0;
1225}
1226
1227/*
1228 * Output interrupt completion handler.
1229 */
1230
7d12e780 1231static void hid_irq_out(struct urb *urb)
1da177e4
LT		 1232{
1233 struct hid_device *hid = urb->context;
1234 unsigned long flags;
1235 int unplug = 0;
1236
1237 switch (urb->status) {
1238 case 0: /* success */
c4786ca8 1239 break;
1da177e4 1240 case -ESHUTDOWN: /* unplug */
1da177e4 1241 unplug = 1;
aef4e266
AS		 1242 case -EILSEQ: /* protocol error or unplug */
1243 case -EPROTO: /* protocol error or unplug */
1da177e4
LT		 1244 case -ECONNRESET: /* unlink */
1245 case -ENOENT:
1246 break;
1247 default: /* error */
1248 warn("output irq status %d received", urb->status);
1249 }
1250
1251 spin_lock_irqsave(&hid->outlock, flags);
1252
1253 if (unplug)
1254 hid->outtail = hid->outhead;
1255 else
1256 hid->outtail = (hid->outtail + 1) & (HID_OUTPUT_FIFO_SIZE - 1);
1257
1258 if (hid->outhead != hid->outtail) {
1259 if (hid_submit_out(hid)) {
53b3531b 1260 clear_bit(HID_OUT_RUNNING, &hid->iofl);
1da177e4
LT		 1261 wake_up(&hid->wait);
1262 }
1263 spin_unlock_irqrestore(&hid->outlock, flags);
1264 return;
1265 }
1266
1267 clear_bit(HID_OUT_RUNNING, &hid->iofl);
1268 spin_unlock_irqrestore(&hid->outlock, flags);
1269 wake_up(&hid->wait);
1270}
1271
1272/*
1273 * Control pipe completion handler.
1274 */
1275
7d12e780 1276static void hid_ctrl(struct urb *urb)
1da177e4
LT		 1277{
1278 struct hid_device *hid = urb->context;
1279 unsigned long flags;
1280 int unplug = 0;
1281
1282 spin_lock_irqsave(&hid->ctrllock, flags);
1283
1284 switch (urb->status) {
1285 case 0: /* success */
1286 if (hid->ctrl[hid->ctrltail].dir == USB_DIR_IN)
7d12e780 1287 hid_input_report(hid->ctrl[hid->ctrltail].report->type, urb, 0);
c4786ca8 1288 break;
1da177e4 1289 case -ESHUTDOWN: /* unplug */
1da177e4 1290 unplug = 1;
aef4e266
AS		 1291 case -EILSEQ: /* protocol error or unplug */
1292 case -EPROTO: /* protocol error or unplug */
1da177e4
LT		 1293 case -ECONNRESET: /* unlink */
1294 case -ENOENT:
1295 case -EPIPE: /* report not available */
1296 break;
1297 default: /* error */
1298 warn("ctrl urb status %d received", urb->status);
1299 }
1300
1301 if (unplug)
1302 hid->ctrltail = hid->ctrlhead;
1303 else
1304 hid->ctrltail = (hid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1);
1305
1306 if (hid->ctrlhead != hid->ctrltail) {
1307 if (hid_submit_ctrl(hid)) {
1308 clear_bit(HID_CTRL_RUNNING, &hid->iofl);
1309 wake_up(&hid->wait);
1310 }
1311 spin_unlock_irqrestore(&hid->ctrllock, flags);
1312 return;
1313 }
1314
1315 clear_bit(HID_CTRL_RUNNING, &hid->iofl);
1316 spin_unlock_irqrestore(&hid->ctrllock, flags);
1317 wake_up(&hid->wait);
1318}
1319
1320void hid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir)
1321{
1322 int head;
1323 unsigned long flags;
1324
1325 if ((hid->quirks & HID_QUIRK_NOGET) && dir == USB_DIR_IN)
1326 return;
1327
1328 if (hid->urbout && dir == USB_DIR_OUT && report->type == HID_OUTPUT_REPORT) {
1329
1330 spin_lock_irqsave(&hid->outlock, flags);
1331
1332 if ((head = (hid->outhead + 1) & (HID_OUTPUT_FIFO_SIZE - 1)) == hid->outtail) {
1333 spin_unlock_irqrestore(&hid->outlock, flags);
1334 warn("output queue full");
1335 return;
1336 }
1337
1338 hid->out[hid->outhead] = report;
1339 hid->outhead = head;
1340
1341 if (!test_and_set_bit(HID_OUT_RUNNING, &hid->iofl))
1342 if (hid_submit_out(hid))
1343 clear_bit(HID_OUT_RUNNING, &hid->iofl);
1344
1345 spin_unlock_irqrestore(&hid->outlock, flags);
1346 return;
1347 }
1348
1349 spin_lock_irqsave(&hid->ctrllock, flags);
1350
1351 if ((head = (hid->ctrlhead + 1) & (HID_CONTROL_FIFO_SIZE - 1)) == hid->ctrltail) {
1352 spin_unlock_irqrestore(&hid->ctrllock, flags);
1353 warn("control queue full");
1354 return;
1355 }
1356
1357 hid->ctrl[hid->ctrlhead].report = report;
1358 hid->ctrl[hid->ctrlhead].dir = dir;
1359 hid->ctrlhead = head;
1360
1361 if (!test_and_set_bit(HID_CTRL_RUNNING, &hid->iofl))
1362 if (hid_submit_ctrl(hid))
1363 clear_bit(HID_CTRL_RUNNING, &hid->iofl);
1364
1365 spin_unlock_irqrestore(&hid->ctrllock, flags);
1366}
1367
1368int hid_wait_io(struct hid_device *hid)
1369{
1370 if (!wait_event_timeout(hid->wait, (!test_bit(HID_CTRL_RUNNING, &hid->iofl) &&
1371 !test_bit(HID_OUT_RUNNING, &hid->iofl)),
1372 10*HZ)) {
1373 dbg("timeout waiting for ctrl or out queue to clear");
1374 return -1;
1375 }
1376
1377 return 0;
1378}
1379
854561b0
VP		 1380static int hid_set_idle(struct usb_device *dev, int ifnum, int report, int idle)
1381{
71387bd7 1382 return usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
854561b0
VP		 1383 HID_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE, (idle << 8) | report,
1384 ifnum, NULL, 0, USB_CTRL_SET_TIMEOUT);
1385}
1386
1da177e4
LT		 1387static int hid_get_class_descriptor(struct usb_device *dev, int ifnum,
1388 unsigned char type, void *buf, int size)
1389{
1390 int result, retries = 4;
1391
1392 memset(buf,0,size); // Make sure we parse really received data
1393
1394 do {
1395 result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
1396 USB_REQ_GET_DESCRIPTOR, USB_RECIP_INTERFACE | USB_DIR_IN,
1397 (type << 8), ifnum, buf, size, USB_CTRL_GET_TIMEOUT);
1398 retries--;
1399 } while (result < size && retries);
1400 return result;
1401}
1402
1403int hid_open(struct hid_device *hid)
1404{
aef4e266
AS		 1405 ++hid->open;
1406 if (hid_start_in(hid))
1407 hid_io_error(hid);
1da177e4
LT		 1408 return 0;
1409}
1410
1411void hid_close(struct hid_device *hid)
1412{
1413 if (!--hid->open)
1414 usb_kill_urb(hid->urbin);
1415}
1416
1d3e2023
DR		 1417#define USB_VENDOR_ID_PANJIT 0x134c
1418
d57cdcff
BC		 1419#define USB_VENDOR_ID_TURBOX 0x062a
1420#define USB_DEVICE_ID_TURBOX_KEYBOARD 0x0201
1421
1da177e4
LT		 1422/*
1423 * Initialize all reports
1424 */
1425
1426void hid_init_reports(struct hid_device *hid)
1427{
1428 struct hid_report *report;
1429 int err, ret;
1430
bf0964dc 1431 list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list)
1da177e4 1432 hid_submit_report(hid, report, USB_DIR_IN);
1da177e4
LT		 1433
1434 list_for_each_entry(report, &hid->report_enum[HID_FEATURE_REPORT].report_list, list)
1435 hid_submit_report(hid, report, USB_DIR_IN);
1436
1437 err = 0;
1438 ret = hid_wait_io(hid);
1439 while (ret) {
1440 err |= ret;
1441 if (test_bit(HID_CTRL_RUNNING, &hid->iofl))
1442 usb_kill_urb(hid->urbctrl);
1443 if (test_bit(HID_OUT_RUNNING, &hid->iofl))
1444 usb_kill_urb(hid->urbout);
1445 ret = hid_wait_io(hid);
1446 }
1447
1448 if (err)
de289fdf 1449 warn("timeout initializing reports");
1da177e4
LT		 1450}
1451
6f8d9e26
JR		 1452#define USB_VENDOR_ID_GTCO 0x078c
1453#define USB_DEVICE_ID_GTCO_90 0x0090
1454#define USB_DEVICE_ID_GTCO_100 0x0100
1455#define USB_DEVICE_ID_GTCO_101 0x0101
1456#define USB_DEVICE_ID_GTCO_103 0x0103
1457#define USB_DEVICE_ID_GTCO_104 0x0104
1458#define USB_DEVICE_ID_GTCO_105 0x0105
1459#define USB_DEVICE_ID_GTCO_106 0x0106
1460#define USB_DEVICE_ID_GTCO_107 0x0107
1461#define USB_DEVICE_ID_GTCO_108 0x0108
1462#define USB_DEVICE_ID_GTCO_200 0x0200
1463#define USB_DEVICE_ID_GTCO_201 0x0201
1464#define USB_DEVICE_ID_GTCO_202 0x0202
1465#define USB_DEVICE_ID_GTCO_203 0x0203
1466#define USB_DEVICE_ID_GTCO_204 0x0204
1467#define USB_DEVICE_ID_GTCO_205 0x0205
1468#define USB_DEVICE_ID_GTCO_206 0x0206
1469#define USB_DEVICE_ID_GTCO_207 0x0207
1470#define USB_DEVICE_ID_GTCO_300 0x0300
1471#define USB_DEVICE_ID_GTCO_301 0x0301
1472#define USB_DEVICE_ID_GTCO_302 0x0302
1473#define USB_DEVICE_ID_GTCO_303 0x0303
1474#define USB_DEVICE_ID_GTCO_304 0x0304
1475#define USB_DEVICE_ID_GTCO_305 0x0305
1476#define USB_DEVICE_ID_GTCO_306 0x0306
1477#define USB_DEVICE_ID_GTCO_307 0x0307
1478#define USB_DEVICE_ID_GTCO_308 0x0308
1479#define USB_DEVICE_ID_GTCO_309 0x0309
1480#define USB_DEVICE_ID_GTCO_400 0x0400
1481#define USB_DEVICE_ID_GTCO_401 0x0401
1482#define USB_DEVICE_ID_GTCO_402 0x0402
1483#define USB_DEVICE_ID_GTCO_403 0x0403
1484#define USB_DEVICE_ID_GTCO_404 0x0404
f0649024 1485#define USB_DEVICE_ID_GTCO_405 0x0405
6f8d9e26
JR		 1486#define USB_DEVICE_ID_GTCO_500 0x0500
1487#define USB_DEVICE_ID_GTCO_501 0x0501
1488#define USB_DEVICE_ID_GTCO_502 0x0502
1489#define USB_DEVICE_ID_GTCO_503 0x0503
1490#define USB_DEVICE_ID_GTCO_504 0x0504
1491#define USB_DEVICE_ID_GTCO_1000 0x1000
1492#define USB_DEVICE_ID_GTCO_1001 0x1001
1493#define USB_DEVICE_ID_GTCO_1002 0x1002
1494#define USB_DEVICE_ID_GTCO_1003 0x1003
1495#define USB_DEVICE_ID_GTCO_1004 0x1004
1496#define USB_DEVICE_ID_GTCO_1005 0x1005
1497#define USB_DEVICE_ID_GTCO_1006 0x1006
1498
1da177e4 1499#define USB_VENDOR_ID_WACOM 0x056a
1da177e4 1500
53880546
SV		 1501#define USB_VENDOR_ID_ACECAD 0x0460
1502#define USB_DEVICE_ID_ACECAD_FLAIR 0x0004
1503#define USB_DEVICE_ID_ACECAD_302 0x0008
1504
1da177e4
LT		 1505#define USB_VENDOR_ID_KBGEAR 0x084e
1506#define USB_DEVICE_ID_KBGEAR_JAMSTUDIO 0x1001
1507
1508#define USB_VENDOR_ID_AIPTEK 0x08ca
1509#define USB_DEVICE_ID_AIPTEK_01 0x0001
1510#define USB_DEVICE_ID_AIPTEK_10 0x0010
1511#define USB_DEVICE_ID_AIPTEK_20 0x0020
1512#define USB_DEVICE_ID_AIPTEK_21 0x0021
1513#define USB_DEVICE_ID_AIPTEK_22 0x0022
1514#define USB_DEVICE_ID_AIPTEK_23 0x0023
1515#define USB_DEVICE_ID_AIPTEK_24 0x0024
1516
1517#define USB_VENDOR_ID_GRIFFIN 0x077d
1518#define USB_DEVICE_ID_POWERMATE 0x0410
1519#define USB_DEVICE_ID_SOUNDKNOB 0x04AA
1520
1521#define USB_VENDOR_ID_ATEN 0x0557
1522#define USB_DEVICE_ID_ATEN_UC100KM 0x2004
1523#define USB_DEVICE_ID_ATEN_CS124U 0x2202
1524#define USB_DEVICE_ID_ATEN_2PORTKVM 0x2204
1525#define USB_DEVICE_ID_ATEN_4PORTKVM 0x2205
1526#define USB_DEVICE_ID_ATEN_4PORTKVMC 0x2208
1527
1528#define USB_VENDOR_ID_TOPMAX 0x0663
1529#define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103
1530
1531#define USB_VENDOR_ID_HAPP 0x078b
1532#define USB_DEVICE_ID_UGCI_DRIVING 0x0010
1533#define USB_DEVICE_ID_UGCI_FLYING 0x0020
1534#define USB_DEVICE_ID_UGCI_FIGHTING 0x0030
1535
1536#define USB_VENDOR_ID_MGE 0x0463
1537#define USB_DEVICE_ID_MGE_UPS 0xffff
1538#define USB_DEVICE_ID_MGE_UPS1 0x0001
1539
1540#define USB_VENDOR_ID_ONTRAK 0x0a07
1541#define USB_DEVICE_ID_ONTRAK_ADU100 0x0064
1542
1da177e4
LT		 1543#define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f
1544#define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
1545
1546#define USB_VENDOR_ID_A4TECH 0x09da
1547#define USB_DEVICE_ID_A4TECH_WCP32PU 0x0006
1548
61cdecd9 1549#define USB_VENDOR_ID_AASHIMA 0x06d6
6345fdfd 1550#define USB_DEVICE_ID_AASHIMA_GAMEPAD 0x0025
61cdecd9 1551#define USB_DEVICE_ID_AASHIMA_PREDATOR 0x0026
6345fdfd 1552
1da177e4
LT		 1553#define USB_VENDOR_ID_CYPRESS 0x04b4
1554#define USB_DEVICE_ID_CYPRESS_MOUSE 0x0001
1555#define USB_DEVICE_ID_CYPRESS_HIDCOM 0x5500
7d25258f 1556#define USB_DEVICE_ID_CYPRESS_ULTRAMOUSE 0x7417
1da177e4
LT		 1557
1558#define USB_VENDOR_ID_BERKSHIRE 0x0c98
1559#define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140
1560
1561#define USB_VENDOR_ID_ALPS 0x0433
1562#define USB_DEVICE_ID_IBM_GAMEPAD 0x1101
1563
1564#define USB_VENDOR_ID_SAITEK 0x06a3
1565#define USB_DEVICE_ID_SAITEK_RUMBLEPAD 0xff17
1566
1567#define USB_VENDOR_ID_NEC 0x073e
1568#define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301
1569
1570#define USB_VENDOR_ID_CHIC 0x05fe
1571#define USB_DEVICE_ID_CHIC_GAMEPAD 0x0014
1572
1573#define USB_VENDOR_ID_GLAB 0x06c2
1574#define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038
1575#define USB_DEVICE_ID_1_PHIDGETSERVO_30 0x0039
1da177e4 1576#define USB_DEVICE_ID_0_0_4_IF_KIT 0x0040
d5176b41
SY		 1577#define USB_DEVICE_ID_0_16_16_IF_KIT 0x0044
1578#define USB_DEVICE_ID_8_8_8_IF_KIT 0x0045
1579#define USB_DEVICE_ID_0_8_7_IF_KIT 0x0051
1da177e4 1580#define USB_DEVICE_ID_0_8_8_IF_KIT 0x0053
d5176b41 1581#define USB_DEVICE_ID_PHIDGET_MOTORCONTROL 0x0058
1da177e4
LT		 1582
1583#define USB_VENDOR_ID_WISEGROUP 0x0925
1584#define USB_DEVICE_ID_1_PHIDGETSERVO_20 0x8101
1585#define USB_DEVICE_ID_4_PHIDGETSERVO_20 0x8104
d5176b41 1586#define USB_DEVICE_ID_8_8_4_IF_KIT 0x8201
e65335ef 1587#define USB_DEVICE_ID_DUAL_USB_JOYPAD 0x8866
1da177e4 1588
b857c651
NG		 1589#define USB_VENDOR_ID_WISEGROUP_LTD 0x6677
1590#define USB_DEVICE_ID_SMARTJOY_DUAL_PLUS 0x8802
1591
1da177e4
LT		 1592#define USB_VENDOR_ID_CODEMERCS 0x07c0
1593#define USB_DEVICE_ID_CODEMERCS_IOW40 0x1500
1594#define USB_DEVICE_ID_CODEMERCS_IOW24 0x1501
1595#define USB_DEVICE_ID_CODEMERCS_IOW48 0x1502
1596#define USB_DEVICE_ID_CODEMERCS_IOW28 0x1503
1597
1598#define USB_VENDOR_ID_DELORME 0x1163
1599#define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100
dc1d1003 1600#define USB_DEVICE_ID_DELORME_EM_LT20 0x0200
1da177e4
LT		 1601
1602#define USB_VENDOR_ID_MCC 0x09db
1603#define USB_DEVICE_ID_MCC_PMD1024LS 0x0076
1604#define USB_DEVICE_ID_MCC_PMD1208LS 0x007a
1605
4871d3be
GKH		 1606#define USB_VENDOR_ID_VERNIER 0x08f7
1607#define USB_DEVICE_ID_VERNIER_LABPRO 0x0001
1608#define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002
1609#define USB_DEVICE_ID_VERNIER_SKIP 0x0003
1610#define USB_DEVICE_ID_VERNIER_CYCLOPS 0x0004
1611
8fd6db47 1612#define USB_VENDOR_ID_LD 0x0f11
ba3e66e9
MH		 1613#define USB_DEVICE_ID_LD_CASSY 0x1000
1614#define USB_DEVICE_ID_LD_POCKETCASSY 0x1010
1615#define USB_DEVICE_ID_LD_MOBILECASSY 0x1020
1616#define USB_DEVICE_ID_LD_JWM 0x1080
1617#define USB_DEVICE_ID_LD_DMMP 0x1081
1618#define USB_DEVICE_ID_LD_UMIP 0x1090
1619#define USB_DEVICE_ID_LD_XRAY1 0x1100
1620#define USB_DEVICE_ID_LD_XRAY2 0x1101
1621#define USB_DEVICE_ID_LD_VIDEOCOM 0x1200
1622#define USB_DEVICE_ID_LD_COM3LAB 0x2000
1623#define USB_DEVICE_ID_LD_TELEPORT 0x2010
1624#define USB_DEVICE_ID_LD_NETWORKANALYSER 0x2020
1625#define USB_DEVICE_ID_LD_POWERCONTROL 0x2030
1626#define USB_DEVICE_ID_LD_MACHINETEST 0x2040
8fd6db47 1627
c58de6d9 1628#define USB_VENDOR_ID_APPLE 0x05ac
a82e49b8 1629#define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304
1da177e4 1630
940824b0
VP		 1631#define USB_VENDOR_ID_CHERRY 0x046a
1632#define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023
1633
5cd330f4
HV		 1634#define USB_VENDOR_ID_YEALINK 0x6993
1635#define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K 0xb001
8fd80133
JS		 1636
1637#define USB_VENDOR_ID_ALCOR 0x058f
1638#define USB_DEVICE_ID_ALCOR_USBRS232 0x9720
1639
931e24b9
RB		 1640#define USB_VENDOR_ID_SUN 0x0430
1641#define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab
1642
23b0d968
NMF		 1643#define USB_VENDOR_ID_AIRCABLE 0x16CA
1644#define USB_DEVICE_ID_AIRCABLE1 0x1502
1645
1da177e4
LT		 1646/*
1647 * Alphabetically sorted blacklist by quirk type.
1648 */
1649
4c4c9432 1650static const struct hid_blacklist {
1da177e4
LT		 1651 __u16 idVendor;
1652 __u16 idProduct;
1653 unsigned quirks;
1654} hid_blacklist[] = {
1655
1656 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01, HID_QUIRK_IGNORE },
1657 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10, HID_QUIRK_IGNORE },
1658 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20, HID_QUIRK_IGNORE },
1659 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21, HID_QUIRK_IGNORE },
1660 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22, HID_QUIRK_IGNORE },
1661 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23, HID_QUIRK_IGNORE },
1662 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24, HID_QUIRK_IGNORE },
23b0d968 1663 { USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1, HID_QUIRK_IGNORE },
8fd80133 1664 { USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232, HID_QUIRK_IGNORE },
1da177e4
LT		 1665 { USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD, HID_QUIRK_IGNORE },
1666 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW40, HID_QUIRK_IGNORE },
1667 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW24, HID_QUIRK_IGNORE },
1668 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW48, HID_QUIRK_IGNORE },
1669 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW28, HID_QUIRK_IGNORE },
1670 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM, HID_QUIRK_IGNORE },
7d25258f 1671 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE, HID_QUIRK_IGNORE },
1da177e4 1672 { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE, HID_QUIRK_IGNORE },
dc1d1003 1673 { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20, HID_QUIRK_IGNORE },
1da177e4
LT		 1674 { USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5, HID_QUIRK_IGNORE },
1675 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
1676 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
1da177e4 1677 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT, HID_QUIRK_IGNORE },
d5176b41
SY		 1678 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT, HID_QUIRK_IGNORE },
1679 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT, HID_QUIRK_IGNORE },
1680 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT, HID_QUIRK_IGNORE },
1da177e4 1681 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT, HID_QUIRK_IGNORE },
d5176b41 1682 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL, HID_QUIRK_IGNORE },
1da177e4
LT		 1683 { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE, HID_QUIRK_IGNORE },
1684 { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB, HID_QUIRK_IGNORE },
6f8d9e26
JR		 1685 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90, HID_QUIRK_IGNORE },
1686 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100, HID_QUIRK_IGNORE },
1687 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101, HID_QUIRK_IGNORE },
1688 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103, HID_QUIRK_IGNORE },
1689 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104, HID_QUIRK_IGNORE },
1690 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105, HID_QUIRK_IGNORE },
1691 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106, HID_QUIRK_IGNORE },
1692 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107, HID_QUIRK_IGNORE },
1693 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108, HID_QUIRK_IGNORE },
1694 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200, HID_QUIRK_IGNORE },
1695 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201, HID_QUIRK_IGNORE },
1696 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202, HID_QUIRK_IGNORE },
1697 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203, HID_QUIRK_IGNORE },
1698 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204, HID_QUIRK_IGNORE },
1699 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205, HID_QUIRK_IGNORE },
1700 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206, HID_QUIRK_IGNORE },
1701 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207, HID_QUIRK_IGNORE },
1702 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300, HID_QUIRK_IGNORE },
1703 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301, HID_QUIRK_IGNORE },
1704 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302, HID_QUIRK_IGNORE },
1705 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303, HID_QUIRK_IGNORE },
1706 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304, HID_QUIRK_IGNORE },
1707 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305, HID_QUIRK_IGNORE },
1708 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306, HID_QUIRK_IGNORE },
1709 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307, HID_QUIRK_IGNORE },
1710 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308, HID_QUIRK_IGNORE },
1711 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309, HID_QUIRK_IGNORE },
1712 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400, HID_QUIRK_IGNORE },
1713 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401, HID_QUIRK_IGNORE },
1714 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402, HID_QUIRK_IGNORE },
1715 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403, HID_QUIRK_IGNORE },
1716 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404, HID_QUIRK_IGNORE },
f0649024 1717 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405, HID_QUIRK_IGNORE },
6f8d9e26
JR		 1718 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500, HID_QUIRK_IGNORE },
1719 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501, HID_QUIRK_IGNORE },
1720 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502, HID_QUIRK_IGNORE },
1721 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503, HID_QUIRK_IGNORE },
1722 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504, HID_QUIRK_IGNORE },
1723 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000, HID_QUIRK_IGNORE },
1724 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001, HID_QUIRK_IGNORE },
1725 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002, HID_QUIRK_IGNORE },
1726 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003, HID_QUIRK_IGNORE },
1727 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004, HID_QUIRK_IGNORE },
1728 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005, HID_QUIRK_IGNORE },
1729 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006, HID_QUIRK_IGNORE },
1da177e4 1730 { USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO, HID_QUIRK_IGNORE },
ba3e66e9
MH		 1731 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY, HID_QUIRK_IGNORE },
1732 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY, HID_QUIRK_IGNORE },
1733 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY, HID_QUIRK_IGNORE },
1734 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM, HID_QUIRK_IGNORE },
1735 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP, HID_QUIRK_IGNORE },
1736 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP, HID_QUIRK_IGNORE },
1737 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY1, HID_QUIRK_IGNORE },
1738 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2, HID_QUIRK_IGNORE },
1739 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM, HID_QUIRK_IGNORE },
1740 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB, HID_QUIRK_IGNORE },
1741 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT, HID_QUIRK_IGNORE },
1742 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER, HID_QUIRK_IGNORE },
1743 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL, HID_QUIRK_IGNORE },
1744 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST, HID_QUIRK_IGNORE },
1da177e4
LT		 1745 { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS, HID_QUIRK_IGNORE },
1746 { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS, HID_QUIRK_IGNORE },
1747 { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_IGNORE },
1748 { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1, HID_QUIRK_IGNORE },
1749 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100, HID_QUIRK_IGNORE },
03270634
SH		 1750 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20, HID_QUIRK_IGNORE },
1751 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30, HID_QUIRK_IGNORE },
1da177e4 1752 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100, HID_QUIRK_IGNORE },
03270634
SH		 1753 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108, HID_QUIRK_IGNORE },
1754 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118, HID_QUIRK_IGNORE },
1da177e4
LT		 1755 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200, HID_QUIRK_IGNORE },
1756 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300, HID_QUIRK_IGNORE },
1757 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400, HID_QUIRK_IGNORE },
1758 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500, HID_QUIRK_IGNORE },
4871d3be
GKH		 1759 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO, HID_QUIRK_IGNORE },
1760 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP, HID_QUIRK_IGNORE },
1761 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP, HID_QUIRK_IGNORE },
1762 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS, HID_QUIRK_IGNORE },
1da177e4
LT		 1763 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
1764 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
d5176b41 1765 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT, HID_QUIRK_IGNORE },
5cd330f4 1766 { USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K, HID_QUIRK_IGNORE },
1da177e4 1767
53880546
SV		 1768 { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR, HID_QUIRK_IGNORE },
1769 { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302, HID_QUIRK_IGNORE },
1770
1da177e4
LT		 1771 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
1772 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
1773 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
1774 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
1775 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
931e24b9 1776 { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
e65335ef 1777 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
b857c651 1778 { USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
1da177e4 1779
a82e49b8 1780 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE, HID_QUIRK_MIGHTYMOUSE | HID_QUIRK_INVERT_HWHEEL },
1da177e4
LT		 1781 { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 },
1782 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 },
1783
6345fdfd 1784 { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD },
61cdecd9 1785 { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
1da177e4
LT		 1786 { USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD },
1787 { USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD },
1788 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
1789 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
1790 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
1791 { USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD },
1792 { USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD },
1793 { USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD },
1794
940824b0
VP		 1795 { USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_CYMOTION },
1796
eab9edd2
MH		 1797 { USB_VENDOR_ID_APPLE, 0x020E, HID_QUIRK_POWERBOOK_HAS_FN },
1798 { USB_VENDOR_ID_APPLE, 0x020F, HID_QUIRK_POWERBOOK_HAS_FN },
1799 { USB_VENDOR_ID_APPLE, 0x0214, HID_QUIRK_POWERBOOK_HAS_FN },
1800 { USB_VENDOR_ID_APPLE, 0x0215, HID_QUIRK_POWERBOOK_HAS_FN },
1801 { USB_VENDOR_ID_APPLE, 0x0216, HID_QUIRK_POWERBOOK_HAS_FN },
5c218e3b
RR		 1802 { USB_VENDOR_ID_APPLE, 0x0217, HID_QUIRK_POWERBOOK_HAS_FN },
1803 { USB_VENDOR_ID_APPLE, 0x0218, HID_QUIRK_POWERBOOK_HAS_FN },
1804 { USB_VENDOR_ID_APPLE, 0x0219, HID_QUIRK_POWERBOOK_HAS_FN },
eab9edd2
MH		 1805 { USB_VENDOR_ID_APPLE, 0x030A, HID_QUIRK_POWERBOOK_HAS_FN },
1806 { USB_VENDOR_ID_APPLE, 0x030B, HID_QUIRK_POWERBOOK_HAS_FN },
1807
1d3e2023
DR		 1808 { USB_VENDOR_ID_PANJIT, 0x0001, HID_QUIRK_IGNORE },
1809 { USB_VENDOR_ID_PANJIT, 0x0002, HID_QUIRK_IGNORE },
1810 { USB_VENDOR_ID_PANJIT, 0x0003, HID_QUIRK_IGNORE },
1811 { USB_VENDOR_ID_PANJIT, 0x0004, HID_QUIRK_IGNORE },
1812
d57cdcff
BC		 1813 { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
1814
1da177e4
LT		 1815 { 0, 0 }
1816};
1817
bf0964dc
MH		 1818/*
1819 * Traverse the supplied list of reports and find the longest
1820 */
1821static void hid_find_max_report(struct hid_device *hid, unsigned int type, int *max)
1822{
1823 struct hid_report *report;
1824 int size;
1825
1826 list_for_each_entry(report, &hid->report_enum[type].report_list, list) {
1827 size = ((report->size - 1) >> 3) + 1;
1828 if (type == HID_INPUT_REPORT && hid->report_enum[type].numbered)
1829 size++;
1830 if (*max < size)
1831 *max = size;
1832 }
1833}
1834
1da177e4
LT		 1835static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid)
1836{
bf0964dc 1837 if (!(hid->inbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->inbuf_dma)))
1da177e4 1838 return -1;
bf0964dc 1839 if (!(hid->outbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->outbuf_dma)))
1da177e4
LT		 1840 return -1;
1841 if (!(hid->cr = usb_buffer_alloc(dev, sizeof(*(hid->cr)), SLAB_ATOMIC, &hid->cr_dma)))
1842 return -1;
bf0964dc 1843 if (!(hid->ctrlbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->ctrlbuf_dma)))
1da177e4
LT		 1844 return -1;
1845
1846 return 0;
1847}
1848
1849static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid)
1850{
1851 if (hid->inbuf)
bf0964dc 1852 usb_buffer_free(dev, hid->bufsize, hid->inbuf, hid->inbuf_dma);
1da177e4 1853 if (hid->outbuf)
bf0964dc 1854 usb_buffer_free(dev, hid->bufsize, hid->outbuf, hid->outbuf_dma);
1da177e4
LT		 1855 if (hid->cr)
1856 usb_buffer_free(dev, sizeof(*(hid->cr)), hid->cr, hid->cr_dma);
1857 if (hid->ctrlbuf)
bf0964dc 1858 usb_buffer_free(dev, hid->bufsize, hid->ctrlbuf, hid->ctrlbuf_dma);
1da177e4
LT		 1859}
1860
940824b0
VP		 1861/*
1862 * Cherry Cymotion keyboard have an invalid HID report descriptor,
1863 * that needs fixing before we can parse it.
1864 */
1865
1866static void hid_fixup_cymotion_descriptor(char *rdesc, int rsize)
1867{
1868 if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) {
1869 info("Fixing up Cherry Cymotion report descriptor");
1870 rdesc[11] = rdesc[16] = 0xff;
1871 rdesc[12] = rdesc[17] = 0x03;
1872 }
1873}
1874
1da177e4
LT		 1875static struct hid_device *usb_hid_configure(struct usb_interface *intf)
1876{
1877 struct usb_host_interface *interface = intf->cur_altsetting;
1878 struct usb_device *dev = interface_to_usbdev (intf);
1879 struct hid_descriptor *hdesc;
1880 struct hid_device *hid;
1881 unsigned quirks = 0, rsize = 0;
c5b7c7c3
DT		 1882 char *rdesc;
1883 int n, len, insize = 0;
1da177e4 1884
ea186651 1885 /* Ignore all Wacom devices */
c03efdb2 1886 if (le16_to_cpu(dev->descriptor.idVendor) == USB_VENDOR_ID_WACOM)
ea186651
PC		 1887 return NULL;
1888
1da177e4
LT		 1889 for (n = 0; hid_blacklist[n].idVendor; n++)
1890 if ((hid_blacklist[n].idVendor == le16_to_cpu(dev->descriptor.idVendor)) &&
1891 (hid_blacklist[n].idProduct == le16_to_cpu(dev->descriptor.idProduct)))
1892 quirks = hid_blacklist[n].quirks;
1893
0f28b55d
AS		 1894 /* Many keyboards and mice don't like to be polled for reports,
1895 * so we will always set the HID_QUIRK_NOGET flag for them. */
1896 if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT) {
1897 if (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_KEYBOARD ||
1898 interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE)
1899 quirks |= HID_QUIRK_NOGET;
1900 }
1901
1da177e4
LT		 1902 if (quirks & HID_QUIRK_IGNORE)
1903 return NULL;
1904
c5b7c7c3
DT		 1905 if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) &&
1906 (!interface->desc.bNumEndpoints ||
1907 usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) {
1908 dbg("class descriptor not present\n");
1909 return NULL;
1da177e4
LT		 1910 }
1911
1912 for (n = 0; n < hdesc->bNumDescriptors; n++)
1913 if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT)
1914 rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength);
1915
1916 if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) {
1917 dbg("weird size of report descriptor (%u)", rsize);
1918 return NULL;
1919 }
1920
1921 if (!(rdesc = kmalloc(rsize, GFP_KERNEL))) {
1922 dbg("couldn't allocate rdesc memory");
1923 return NULL;
1924 }
1925
854561b0
VP		 1926 hid_set_idle(dev, interface->desc.bInterfaceNumber, 0, 0);
1927
1da177e4
LT		 1928 if ((n = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber, HID_DT_REPORT, rdesc, rsize)) < 0) {
1929 dbg("reading report descriptor failed");
1930 kfree(rdesc);
1931 return NULL;
1932 }
1933
940824b0
VP		 1934 if ((quirks & HID_QUIRK_CYMOTION))
1935 hid_fixup_cymotion_descriptor(rdesc, rsize);
1936
1da177e4
LT		 1937#ifdef DEBUG_DATA
1938 printk(KERN_DEBUG __FILE__ ": report descriptor (size %u, read %d) = ", rsize, n);
1939 for (n = 0; n < rsize; n++)
1940 printk(" %02x", (unsigned char) rdesc[n]);
1941 printk("\n");
1942#endif
1943
1944 if (!(hid = hid_parse_report(rdesc, n))) {
1945 dbg("parsing report descriptor failed");
1946 kfree(rdesc);
1947 return NULL;
1948 }
1949
1950 kfree(rdesc);
1951 hid->quirks = quirks;
1952
bf0964dc
MH		 1953 hid->bufsize = HID_MIN_BUFFER_SIZE;
1954 hid_find_max_report(hid, HID_INPUT_REPORT, &hid->bufsize);
1955 hid_find_max_report(hid, HID_OUTPUT_REPORT, &hid->bufsize);
1956 hid_find_max_report(hid, HID_FEATURE_REPORT, &hid->bufsize);
1957
1958 if (hid->bufsize > HID_MAX_BUFFER_SIZE)
1959 hid->bufsize = HID_MAX_BUFFER_SIZE;
1960
1961 hid_find_max_report(hid, HID_INPUT_REPORT, &insize);
1962
1963 if (insize > HID_MAX_BUFFER_SIZE)
1964 insize = HID_MAX_BUFFER_SIZE;
1965
1da177e4
LT		 1966 if (hid_alloc_buffers(dev, hid)) {
1967 hid_free_buffers(dev, hid);
1968 goto fail;
1969 }
1970
1971 for (n = 0; n < interface->desc.bNumEndpoints; n++) {
1972
1973 struct usb_endpoint_descriptor *endpoint;
1974 int pipe;
1975 int interval;
1976
1977 endpoint = &interface->endpoint[n].desc;
1978 if ((endpoint->bmAttributes & 3) != 3) /* Not an interrupt endpoint */
1979 continue;
1980
1da177e4 1981 interval = endpoint->bInterval;
1da177e4
LT		 1982
1983 /* Change the polling interval of mice. */
1984 if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0)
1985 interval = hid_mousepoll_interval;
05f091ab 1986
1da177e4
LT		 1987 if (endpoint->bEndpointAddress & USB_DIR_IN) {
1988 if (hid->urbin)
1989 continue;
1990 if (!(hid->urbin = usb_alloc_urb(0, GFP_KERNEL)))
1991 goto fail;
1992 pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
bf0964dc 1993 usb_fill_int_urb(hid->urbin, dev, pipe, hid->inbuf, insize,
1da177e4
LT		 1994 hid_irq_in, hid, interval);
1995 hid->urbin->transfer_dma = hid->inbuf_dma;
b375a049 1996 hid->urbin->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1da177e4
LT		 1997 } else {
1998 if (hid->urbout)
1999 continue;
2000 if (!(hid->urbout = usb_alloc_urb(0, GFP_KERNEL)))
2001 goto fail;
2002 pipe = usb_sndintpipe(dev, endpoint->bEndpointAddress);
2003 usb_fill_int_urb(hid->urbout, dev, pipe, hid->outbuf, 0,
2004 hid_irq_out, hid, interval);
2005 hid->urbout->transfer_dma = hid->outbuf_dma;
b375a049 2006 hid->urbout->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1da177e4
LT		 2007 }
2008 }
2009
2010 if (!hid->urbin) {
2011 err("couldn't find an input interrupt endpoint");
2012 goto fail;
2013 }
2014
2015 init_waitqueue_head(&hid->wait);
2016
aef4e266
AS		 2017 INIT_WORK(&hid->reset_work, hid_reset, hid);
2018 setup_timer(&hid->io_retry, hid_retry_timeout, (unsigned long) hid);
2019
2020 spin_lock_init(&hid->inlock);
1da177e4
LT		 2021 spin_lock_init(&hid->outlock);
2022 spin_lock_init(&hid->ctrllock);
2023
2024 hid->version = le16_to_cpu(hdesc->bcdHID);
2025 hid->country = hdesc->bCountryCode;
2026 hid->dev = dev;
2027 hid->intf = intf;
2028 hid->ifnum = interface->desc.bInterfaceNumber;
2029
2030 hid->name[0] = 0;
2031
c5b7c7c3
DT		 2032 if (dev->manufacturer)
2033 strlcpy(hid->name, dev->manufacturer, sizeof(hid->name));
2034
2035 if (dev->product) {
2036 if (dev->manufacturer)
2037 strlcat(hid->name, " ", sizeof(hid->name));
2038 strlcat(hid->name, dev->product, sizeof(hid->name));
2039 }
2040
2041 if (!strlen(hid->name))
2042 snprintf(hid->name, sizeof(hid->name), "HID %04x:%04x",
2043 le16_to_cpu(dev->descriptor.idVendor),
2044 le16_to_cpu(dev->descriptor.idProduct));
1da177e4 2045
c5b7c7c3
DT		 2046 usb_make_path(dev, hid->phys, sizeof(hid->phys));
2047 strlcat(hid->phys, "/input", sizeof(hid->phys));
2048 len = strlen(hid->phys);
2049 if (len < sizeof(hid->phys) - 1)
2050 snprintf(hid->phys + len, sizeof(hid->phys) - len,
2051 "%d", intf->altsetting[0].desc.bInterfaceNumber);
1da177e4
LT		 2052
2053 if (usb_string(dev, dev->descriptor.iSerialNumber, hid->uniq, 64) <= 0)
2054 hid->uniq[0] = 0;
2055
1da177e4
LT		 2056 hid->urbctrl = usb_alloc_urb(0, GFP_KERNEL);
2057 if (!hid->urbctrl)
2058 goto fail;
c5b7c7c3 2059
1da177e4
LT		 2060 usb_fill_control_urb(hid->urbctrl, dev, 0, (void *) hid->cr,
2061 hid->ctrlbuf, 1, hid_ctrl, hid);
2062 hid->urbctrl->setup_dma = hid->cr_dma;
2063 hid->urbctrl->transfer_dma = hid->ctrlbuf_dma;
b375a049 2064 hid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP);
1da177e4
LT		 2065
2066 return hid;
2067
2068fail:
2069
2070 if (hid->urbin)
2071 usb_free_urb(hid->urbin);
2072 if (hid->urbout)
2073 usb_free_urb(hid->urbout);
2074 if (hid->urbctrl)
2075 usb_free_urb(hid->urbctrl);
2076 hid_free_buffers(dev, hid);
2077 hid_free_device(hid);
2078
2079 return NULL;
2080}
2081
2082static void hid_disconnect(struct usb_interface *intf)
2083{
2084 struct hid_device *hid = usb_get_intfdata (intf);
2085
2086 if (!hid)
2087 return;
2088
aef4e266 2089 spin_lock_irq(&hid->inlock); /* Sync with error handler */
1da177e4 2090 usb_set_intfdata(intf, NULL);
aef4e266 2091 spin_unlock_irq(&hid->inlock);
1da177e4
LT		 2092 usb_kill_urb(hid->urbin);
2093 usb_kill_urb(hid->urbout);
2094 usb_kill_urb(hid->urbctrl);
2095
aef4e266
AS		 2096 del_timer_sync(&hid->io_retry);
2097 flush_scheduled_work();
2098
1da177e4
LT		 2099 if (hid->claimed & HID_CLAIMED_INPUT)
2100 hidinput_disconnect(hid);
2101 if (hid->claimed & HID_CLAIMED_HIDDEV)
2102 hiddev_disconnect(hid);
2103
2104 usb_free_urb(hid->urbin);
2105 usb_free_urb(hid->urbctrl);
2106 if (hid->urbout)
2107 usb_free_urb(hid->urbout);
2108
2109 hid_free_buffers(hid->dev, hid);
2110 hid_free_device(hid);
2111}
2112
2113static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id)
2114{
2115 struct hid_device *hid;
2116 char path[64];
2117 int i;
2118 char *c;
2119
2120 dbg("HID probe called for ifnum %d",
2121 intf->altsetting->desc.bInterfaceNumber);
2122
2123 if (!(hid = usb_hid_configure(intf)))
479f6ea8 2124 return -ENODEV;
1da177e4
LT		 2125
2126 hid_init_reports(hid);
2127 hid_dump_device(hid);
2128
2129 if (!hidinput_connect(hid))
2130 hid->claimed |= HID_CLAIMED_INPUT;
2131 if (!hiddev_connect(hid))
2132 hid->claimed |= HID_CLAIMED_HIDDEV;
2133
2134 usb_set_intfdata(intf, hid);
2135
2136 if (!hid->claimed) {
2137 printk ("HID device not claimed by input or hiddev\n");
2138 hid_disconnect(intf);
479f6ea8 2139 return -ENODEV;
1da177e4
LT		 2140 }
2141
2142 printk(KERN_INFO);
2143
2144 if (hid->claimed & HID_CLAIMED_INPUT)
2145 printk("input");
2146 if (hid->claimed == (HID_CLAIMED_INPUT | HID_CLAIMED_HIDDEV))
2147 printk(",");
2148 if (hid->claimed & HID_CLAIMED_HIDDEV)
2149 printk("hiddev%d", hid->minor);
2150
2151 c = "Device";
2152 for (i = 0; i < hid->maxcollection; i++) {
2153 if (hid->collection[i].type == HID_COLLECTION_APPLICATION &&
2154 (hid->collection[i].usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
2155 (hid->collection[i].usage & 0xffff) < ARRAY_SIZE(hid_types)) {
2156 c = hid_types[hid->collection[i].usage & 0xffff];
2157 break;
2158 }
2159 }
2160
2161 usb_make_path(interface_to_usbdev(intf), path, 63);
2162
2163 printk(": USB HID v%x.%02x %s [%s] on %s\n",
2164 hid->version >> 8, hid->version & 0xff, c, hid->name, path);
2165
2166 return 0;
2167}
2168
27d72e85 2169static int hid_suspend(struct usb_interface *intf, pm_message_t message)
1da177e4
LT		 2170{
2171 struct hid_device *hid = usb_get_intfdata (intf);
2172
aef4e266
AS		 2173 spin_lock_irq(&hid->inlock); /* Sync with error handler */
2174 set_bit(HID_SUSPENDED, &hid->iofl);
2175 spin_unlock_irq(&hid->inlock);
2176 del_timer(&hid->io_retry);
1da177e4 2177 usb_kill_urb(hid->urbin);
1da177e4
LT		 2178 dev_dbg(&intf->dev, "suspend\n");
2179 return 0;
2180}
2181
2182static int hid_resume(struct usb_interface *intf)
2183{
2184 struct hid_device *hid = usb_get_intfdata (intf);
2185 int status;
2186
aef4e266 2187 clear_bit(HID_SUSPENDED, &hid->iofl);
df9a1f48 2188 hid->retry_delay = 0;
aef4e266 2189 status = hid_start_in(hid);
1da177e4
LT		 2190 dev_dbg(&intf->dev, "resume status %d\n", status);
2191 return status;
2192}
2193
df9a1f48
AS		 2194/* Treat USB reset pretty much the same as suspend/resume */
2195static void hid_pre_reset(struct usb_interface *intf)
2196{
2197 /* FIXME: What if the interface is already suspended? */
2198 hid_suspend(intf, PMSG_ON);
2199}
2200
2201static void hid_post_reset(struct usb_interface *intf)
2202{
2203 struct usb_device *dev = interface_to_usbdev (intf);
2204
2205 hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0);
2206 /* FIXME: Any more reinitialization needed? */
2207
2208 hid_resume(intf);
2209}
2210
1da177e4
LT		 2211static struct usb_device_id hid_usb_ids [] = {
2212 { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS,
2213 .bInterfaceClass = USB_INTERFACE_CLASS_HID },
2214 { } /* Terminating entry */
2215};
2216
2217MODULE_DEVICE_TABLE (usb, hid_usb_ids);
2218
2219static struct usb_driver hid_driver = {
1da177e4
LT		 2220 .name = "usbhid",
2221 .probe = hid_probe,
2222 .disconnect = hid_disconnect,
2223 .suspend = hid_suspend,
2224 .resume = hid_resume,
df9a1f48
AS		 2225 .pre_reset = hid_pre_reset,
2226 .post_reset = hid_post_reset,
1da177e4
LT		 2227 .id_table = hid_usb_ids,
2228};
2229
2230static int __init hid_init(void)
2231{
2232 int retval;
2233 retval = hiddev_init();
2234 if (retval)
2235 goto hiddev_init_fail;
2236 retval = usb_register(&hid_driver);
2237 if (retval)
2238 goto usb_register_fail;
2239 info(DRIVER_VERSION ":" DRIVER_DESC);
2240
2241 return 0;
2242usb_register_fail:
2243 hiddev_exit();
2244hiddev_init_fail:
2245 return retval;
2246}
2247
2248static void __exit hid_exit(void)
2249{
2250 usb_deregister(&hid_driver);
2251 hiddev_exit();
2252}
2253
2254module_init(hid_init);
2255module_exit(hid_exit);
2256
2257MODULE_AUTHOR(DRIVER_AUTHOR);
2258MODULE_DESCRIPTION(DRIVER_DESC);
2259MODULE_LICENSE(DRIVER_LICENSE);
Linux kernel - Deliverables
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