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[net-next-2.6.git] / drivers / usb / input / hid-core.c
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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 */
c4028958 972static void hid_reset(struct work_struct *work)
aef4e266 973{
c4028958
DH		 974 struct hid_device *hid =
975 container_of(work, struct hid_device, reset_work);
aef4e266
AS		 976 int rc_lock, rc;
977
978 dev_dbg(&hid->intf->dev, "resetting device\n");
979 rc = rc_lock = usb_lock_device_for_reset(hid->dev, hid->intf);
980 if (rc_lock >= 0) {
df9a1f48 981 rc = usb_reset_composite_device(hid->dev, hid->intf);
aef4e266
AS		 982 if (rc_lock)
983 usb_unlock_device(hid->dev);
984 }
985 clear_bit(HID_RESET_PENDING, &hid->iofl);
986
df9a1f48
AS		 987 switch (rc) {
988 case 0:
989 if (!test_bit(HID_IN_RUNNING, &hid->iofl))
aef4e266 990 hid_io_error(hid);
df9a1f48
AS		 991 break;
992 default:
aef4e266
AS		 993 err("can't reset device, %s-%s/input%d, status %d",
994 hid->dev->bus->bus_name,
995 hid->dev->devpath,
996 hid->ifnum, rc);
df9a1f48
AS		 997 /* FALLTHROUGH */
998 case -EHOSTUNREACH:
999 case -ENODEV:
1000 case -EINTR:
1001 break;
1002 }
aef4e266
AS		 1003}
1004
1005/* Main I/O error handler */
1006static void hid_io_error(struct hid_device *hid)
1007{
1008 unsigned long flags;
1009
1010 spin_lock_irqsave(&hid->inlock, flags);
1011
1012 /* Stop when disconnected */
1013 if (usb_get_intfdata(hid->intf) == NULL)
1014 goto done;
1015
1016 /* When an error occurs, retry at increasing intervals */
1017 if (hid->retry_delay == 0) {
1018 hid->retry_delay = 13; /* Then 26, 52, 104, 104, ... */
1019 hid->stop_retry = jiffies + msecs_to_jiffies(1000);
1020 } else if (hid->retry_delay < 100)
1021 hid->retry_delay *= 2;
1022
1023 if (time_after(jiffies, hid->stop_retry)) {
1024
1025 /* Retries failed, so do a port reset */
1026 if (!test_and_set_bit(HID_RESET_PENDING, &hid->iofl)) {
1027 if (schedule_work(&hid->reset_work))
1028 goto done;
1029 clear_bit(HID_RESET_PENDING, &hid->iofl);
1030 }
1031 }
1032
1033 mod_timer(&hid->io_retry,
1034 jiffies + msecs_to_jiffies(hid->retry_delay));
1035done:
1036 spin_unlock_irqrestore(&hid->inlock, flags);
1037}
1038
1da177e4
LT		 1039/*
1040 * Input interrupt completion handler.
1041 */
1042
7d12e780 1043static void hid_irq_in(struct urb *urb)
1da177e4
LT		 1044{
1045 struct hid_device *hid = urb->context;
1046 int status;
1047
1048 switch (urb->status) {
1049 case 0: /* success */
aef4e266 1050 hid->retry_delay = 0;
7d12e780 1051 hid_input_report(HID_INPUT_REPORT, urb, 1);
1da177e4
LT		 1052 break;
1053 case -ECONNRESET: /* unlink */
1054 case -ENOENT:
1da177e4 1055 case -ESHUTDOWN: /* unplug */
aef4e266 1056 clear_bit(HID_IN_RUNNING, &hid->iofl);
1da177e4 1057 return;
aef4e266
AS		 1058 case -EILSEQ: /* protocol error or unplug */
1059 case -EPROTO: /* protocol error or unplug */
38e2bfc9
PZ		 1060 case -ETIME: /* protocol error or unplug */
1061 case -ETIMEDOUT: /* Should never happen, but... */
aef4e266
AS		 1062 clear_bit(HID_IN_RUNNING, &hid->iofl);
1063 hid_io_error(hid);
1064 return;
1da177e4
LT		 1065 default: /* error */
1066 warn("input irq status %d received", urb->status);
1067 }
1068
1069 status = usb_submit_urb(urb, SLAB_ATOMIC);
aef4e266
AS		 1070 if (status) {
1071 clear_bit(HID_IN_RUNNING, &hid->iofl);
1072 if (status != -EPERM) {
1073 err("can't resubmit intr, %s-%s/input%d, status %d",
1074 hid->dev->bus->bus_name,
1075 hid->dev->devpath,
1076 hid->ifnum, status);
1077 hid_io_error(hid);
1078 }
1079 }
1da177e4
LT		 1080}
1081
1082/*
1083 * Output the field into the report.
1084 */
1085
1086static void hid_output_field(struct hid_field *field, __u8 *data)
1087{
1088 unsigned count = field->report_count;
1089 unsigned offset = field->report_offset;
1090 unsigned size = field->report_size;
1091 unsigned n;
1092
1093 for (n = 0; n < count; n++) {
1094 if (field->logical_minimum < 0) /* signed values */
1095 implement(data, offset + n * size, size, s32ton(field->value[n], size));
1096 else /* unsigned values */
1097 implement(data, offset + n * size, size, field->value[n]);
1098 }
1099}
1100
1101/*
1102 * Create a report.
1103 */
1104
1105static void hid_output_report(struct hid_report *report, __u8 *data)
1106{
1107 unsigned n;
1108
1109 if (report->id > 0)
1110 *data++ = report->id;
1111
1112 for (n = 0; n < report->maxfield; n++)
1113 hid_output_field(report->field[n], data);
1114}
1115
1116/*
1117 * Set a field value. The report this field belongs to has to be
1118 * created and transferred to the device, to set this value in the
1119 * device.
1120 */
1121
1122int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1123{
1124 unsigned size = field->report_size;
1125
1126 hid_dump_input(field->usage + offset, value);
1127
1128 if (offset >= field->report_count) {
1129 dbg("offset (%d) exceeds report_count (%d)", offset, field->report_count);
1130 hid_dump_field(field, 8);
1131 return -1;
1132 }
1133 if (field->logical_minimum < 0) {
1134 if (value != snto32(s32ton(value, size), size)) {
1135 dbg("value %d is out of range", value);
1136 return -1;
1137 }
1138 }
1139 field->value[offset] = value;
1140 return 0;
1141}
1142
1143/*
1144 * Find a report field with a specified HID usage.
1145 */
f287caee 1146#if 0
1da177e4
LT		 1147struct hid_field *hid_find_field_by_usage(struct hid_device *hid, __u32 wanted_usage, int type)
1148{
1149 struct hid_report *report;
1150 int i;
1151
1152 list_for_each_entry(report, &hid->report_enum[type].report_list, list)
1153 for (i = 0; i < report->maxfield; i++)
1154 if (report->field[i]->logical == wanted_usage)
1155 return report->field[i];
1156 return NULL;
1157}
f287caee 1158#endif /* 0 */
1da177e4
LT		 1159
1160static int hid_submit_out(struct hid_device *hid)
1161{
1162 struct hid_report *report;
1163
1164 report = hid->out[hid->outtail];
1165
1166 hid_output_report(report, hid->outbuf);
1167 hid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0);
1168 hid->urbout->dev = hid->dev;
1169
1170 dbg("submitting out urb");
1171
1172 if (usb_submit_urb(hid->urbout, GFP_ATOMIC)) {
1173 err("usb_submit_urb(out) failed");
1174 return -1;
1175 }
1176
1177 return 0;
1178}
1179
1180static int hid_submit_ctrl(struct hid_device *hid)
1181{
1182 struct hid_report *report;
1183 unsigned char dir;
1184 int len;
1185
1186 report = hid->ctrl[hid->ctrltail].report;
1187 dir = hid->ctrl[hid->ctrltail].dir;
1188
1189 len = ((report->size - 1) >> 3) + 1 + (report->id > 0);
1190 if (dir == USB_DIR_OUT) {
1191 hid_output_report(report, hid->ctrlbuf);
1192 hid->urbctrl->pipe = usb_sndctrlpipe(hid->dev, 0);
1193 hid->urbctrl->transfer_buffer_length = len;
1194 } else {
1195 int maxpacket, padlen;
1196
1197 hid->urbctrl->pipe = usb_rcvctrlpipe(hid->dev, 0);
1198 maxpacket = usb_maxpacket(hid->dev, hid->urbctrl->pipe, 0);
1199 if (maxpacket > 0) {
1200 padlen = (len + maxpacket - 1) / maxpacket;
1201 padlen *= maxpacket;
bf0964dc
MH		 1202 if (padlen > hid->bufsize)
1203 padlen = hid->bufsize;
1da177e4
LT		 1204 } else
1205 padlen = 0;
1206 hid->urbctrl->transfer_buffer_length = padlen;
1207 }
1208 hid->urbctrl->dev = hid->dev;
1209
1210 hid->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | dir;
1211 hid->cr->bRequest = (dir == USB_DIR_OUT) ? HID_REQ_SET_REPORT : HID_REQ_GET_REPORT;
1212 hid->cr->wValue = cpu_to_le16(((report->type + 1) << 8) | report->id);
1213 hid->cr->wIndex = cpu_to_le16(hid->ifnum);
1214 hid->cr->wLength = cpu_to_le16(len);
1215
1216 dbg("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u",
1217 hid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : "Get_Report",
1218 hid->cr->wValue, hid->cr->wIndex, hid->cr->wLength);
1219
1220 if (usb_submit_urb(hid->urbctrl, GFP_ATOMIC)) {
1221 err("usb_submit_urb(ctrl) failed");
1222 return -1;
1223 }
1224
1225 return 0;
1226}
1227
1228/*
1229 * Output interrupt completion handler.
1230 */
1231
7d12e780 1232static void hid_irq_out(struct urb *urb)
1da177e4
LT		 1233{
1234 struct hid_device *hid = urb->context;
1235 unsigned long flags;
1236 int unplug = 0;
1237
1238 switch (urb->status) {
1239 case 0: /* success */
c4786ca8 1240 break;
1da177e4 1241 case -ESHUTDOWN: /* unplug */
1da177e4 1242 unplug = 1;
aef4e266
AS		 1243 case -EILSEQ: /* protocol error or unplug */
1244 case -EPROTO: /* protocol error or unplug */
1da177e4
LT		 1245 case -ECONNRESET: /* unlink */
1246 case -ENOENT:
1247 break;
1248 default: /* error */
1249 warn("output irq status %d received", urb->status);
1250 }
1251
1252 spin_lock_irqsave(&hid->outlock, flags);
1253
1254 if (unplug)
1255 hid->outtail = hid->outhead;
1256 else
1257 hid->outtail = (hid->outtail + 1) & (HID_OUTPUT_FIFO_SIZE - 1);
1258
1259 if (hid->outhead != hid->outtail) {
1260 if (hid_submit_out(hid)) {
53b3531b 1261 clear_bit(HID_OUT_RUNNING, &hid->iofl);
1da177e4
LT		 1262 wake_up(&hid->wait);
1263 }
1264 spin_unlock_irqrestore(&hid->outlock, flags);
1265 return;
1266 }
1267
1268 clear_bit(HID_OUT_RUNNING, &hid->iofl);
1269 spin_unlock_irqrestore(&hid->outlock, flags);
1270 wake_up(&hid->wait);
1271}
1272
1273/*
1274 * Control pipe completion handler.
1275 */
1276
7d12e780 1277static void hid_ctrl(struct urb *urb)
1da177e4
LT		 1278{
1279 struct hid_device *hid = urb->context;
1280 unsigned long flags;
1281 int unplug = 0;
1282
1283 spin_lock_irqsave(&hid->ctrllock, flags);
1284
1285 switch (urb->status) {
1286 case 0: /* success */
1287 if (hid->ctrl[hid->ctrltail].dir == USB_DIR_IN)
7d12e780 1288 hid_input_report(hid->ctrl[hid->ctrltail].report->type, urb, 0);
c4786ca8 1289 break;
1da177e4 1290 case -ESHUTDOWN: /* unplug */
1da177e4 1291 unplug = 1;
aef4e266
AS		 1292 case -EILSEQ: /* protocol error or unplug */
1293 case -EPROTO: /* protocol error or unplug */
1da177e4
LT		 1294 case -ECONNRESET: /* unlink */
1295 case -ENOENT:
1296 case -EPIPE: /* report not available */
1297 break;
1298 default: /* error */
1299 warn("ctrl urb status %d received", urb->status);
1300 }
1301
1302 if (unplug)
1303 hid->ctrltail = hid->ctrlhead;
1304 else
1305 hid->ctrltail = (hid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1);
1306
1307 if (hid->ctrlhead != hid->ctrltail) {
1308 if (hid_submit_ctrl(hid)) {
1309 clear_bit(HID_CTRL_RUNNING, &hid->iofl);
1310 wake_up(&hid->wait);
1311 }
1312 spin_unlock_irqrestore(&hid->ctrllock, flags);
1313 return;
1314 }
1315
1316 clear_bit(HID_CTRL_RUNNING, &hid->iofl);
1317 spin_unlock_irqrestore(&hid->ctrllock, flags);
1318 wake_up(&hid->wait);
1319}
1320
1321void hid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir)
1322{
1323 int head;
1324 unsigned long flags;
1325
1326 if ((hid->quirks & HID_QUIRK_NOGET) && dir == USB_DIR_IN)
1327 return;
1328
1329 if (hid->urbout && dir == USB_DIR_OUT && report->type == HID_OUTPUT_REPORT) {
1330
1331 spin_lock_irqsave(&hid->outlock, flags);
1332
1333 if ((head = (hid->outhead + 1) & (HID_OUTPUT_FIFO_SIZE - 1)) == hid->outtail) {
1334 spin_unlock_irqrestore(&hid->outlock, flags);
1335 warn("output queue full");
1336 return;
1337 }
1338
1339 hid->out[hid->outhead] = report;
1340 hid->outhead = head;
1341
1342 if (!test_and_set_bit(HID_OUT_RUNNING, &hid->iofl))
1343 if (hid_submit_out(hid))
1344 clear_bit(HID_OUT_RUNNING, &hid->iofl);
1345
1346 spin_unlock_irqrestore(&hid->outlock, flags);
1347 return;
1348 }
1349
1350 spin_lock_irqsave(&hid->ctrllock, flags);
1351
1352 if ((head = (hid->ctrlhead + 1) & (HID_CONTROL_FIFO_SIZE - 1)) == hid->ctrltail) {
1353 spin_unlock_irqrestore(&hid->ctrllock, flags);
1354 warn("control queue full");
1355 return;
1356 }
1357
1358 hid->ctrl[hid->ctrlhead].report = report;
1359 hid->ctrl[hid->ctrlhead].dir = dir;
1360 hid->ctrlhead = head;
1361
1362 if (!test_and_set_bit(HID_CTRL_RUNNING, &hid->iofl))
1363 if (hid_submit_ctrl(hid))
1364 clear_bit(HID_CTRL_RUNNING, &hid->iofl);
1365
1366 spin_unlock_irqrestore(&hid->ctrllock, flags);
1367}
1368
1369int hid_wait_io(struct hid_device *hid)
1370{
1371 if (!wait_event_timeout(hid->wait, (!test_bit(HID_CTRL_RUNNING, &hid->iofl) &&
1372 !test_bit(HID_OUT_RUNNING, &hid->iofl)),
1373 10*HZ)) {
1374 dbg("timeout waiting for ctrl or out queue to clear");
1375 return -1;
1376 }
1377
1378 return 0;
1379}
1380
854561b0
VP		 1381static int hid_set_idle(struct usb_device *dev, int ifnum, int report, int idle)
1382{
71387bd7 1383 return usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
854561b0
VP		 1384 HID_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE, (idle << 8) | report,
1385 ifnum, NULL, 0, USB_CTRL_SET_TIMEOUT);
1386}
1387
1da177e4
LT		 1388static int hid_get_class_descriptor(struct usb_device *dev, int ifnum,
1389 unsigned char type, void *buf, int size)
1390{
1391 int result, retries = 4;
1392
1393 memset(buf,0,size); // Make sure we parse really received data
1394
1395 do {
1396 result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
1397 USB_REQ_GET_DESCRIPTOR, USB_RECIP_INTERFACE | USB_DIR_IN,
1398 (type << 8), ifnum, buf, size, USB_CTRL_GET_TIMEOUT);
1399 retries--;
1400 } while (result < size && retries);
1401 return result;
1402}
1403
1404int hid_open(struct hid_device *hid)
1405{
aef4e266
AS		 1406 ++hid->open;
1407 if (hid_start_in(hid))
1408 hid_io_error(hid);
1da177e4
LT		 1409 return 0;
1410}
1411
1412void hid_close(struct hid_device *hid)
1413{
1414 if (!--hid->open)
1415 usb_kill_urb(hid->urbin);
1416}
1417
1d3e2023
DR		 1418#define USB_VENDOR_ID_PANJIT 0x134c
1419
d57cdcff
BC		 1420#define USB_VENDOR_ID_TURBOX 0x062a
1421#define USB_DEVICE_ID_TURBOX_KEYBOARD 0x0201
1422
1da177e4
LT		 1423/*
1424 * Initialize all reports
1425 */
1426
1427void hid_init_reports(struct hid_device *hid)
1428{
1429 struct hid_report *report;
1430 int err, ret;
1431
bf0964dc 1432 list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list)
1da177e4 1433 hid_submit_report(hid, report, USB_DIR_IN);
1da177e4
LT		 1434
1435 list_for_each_entry(report, &hid->report_enum[HID_FEATURE_REPORT].report_list, list)
1436 hid_submit_report(hid, report, USB_DIR_IN);
1437
1438 err = 0;
1439 ret = hid_wait_io(hid);
1440 while (ret) {
1441 err |= ret;
1442 if (test_bit(HID_CTRL_RUNNING, &hid->iofl))
1443 usb_kill_urb(hid->urbctrl);
1444 if (test_bit(HID_OUT_RUNNING, &hid->iofl))
1445 usb_kill_urb(hid->urbout);
1446 ret = hid_wait_io(hid);
1447 }
1448
1449 if (err)
de289fdf 1450 warn("timeout initializing reports");
1da177e4
LT		 1451}
1452
6f8d9e26
JR		 1453#define USB_VENDOR_ID_GTCO 0x078c
1454#define USB_DEVICE_ID_GTCO_90 0x0090
1455#define USB_DEVICE_ID_GTCO_100 0x0100
1456#define USB_DEVICE_ID_GTCO_101 0x0101
1457#define USB_DEVICE_ID_GTCO_103 0x0103
1458#define USB_DEVICE_ID_GTCO_104 0x0104
1459#define USB_DEVICE_ID_GTCO_105 0x0105
1460#define USB_DEVICE_ID_GTCO_106 0x0106
1461#define USB_DEVICE_ID_GTCO_107 0x0107
1462#define USB_DEVICE_ID_GTCO_108 0x0108
1463#define USB_DEVICE_ID_GTCO_200 0x0200
1464#define USB_DEVICE_ID_GTCO_201 0x0201
1465#define USB_DEVICE_ID_GTCO_202 0x0202
1466#define USB_DEVICE_ID_GTCO_203 0x0203
1467#define USB_DEVICE_ID_GTCO_204 0x0204
1468#define USB_DEVICE_ID_GTCO_205 0x0205
1469#define USB_DEVICE_ID_GTCO_206 0x0206
1470#define USB_DEVICE_ID_GTCO_207 0x0207
1471#define USB_DEVICE_ID_GTCO_300 0x0300
1472#define USB_DEVICE_ID_GTCO_301 0x0301
1473#define USB_DEVICE_ID_GTCO_302 0x0302
1474#define USB_DEVICE_ID_GTCO_303 0x0303
1475#define USB_DEVICE_ID_GTCO_304 0x0304
1476#define USB_DEVICE_ID_GTCO_305 0x0305
1477#define USB_DEVICE_ID_GTCO_306 0x0306
1478#define USB_DEVICE_ID_GTCO_307 0x0307
1479#define USB_DEVICE_ID_GTCO_308 0x0308
1480#define USB_DEVICE_ID_GTCO_309 0x0309
1481#define USB_DEVICE_ID_GTCO_400 0x0400
1482#define USB_DEVICE_ID_GTCO_401 0x0401
1483#define USB_DEVICE_ID_GTCO_402 0x0402
1484#define USB_DEVICE_ID_GTCO_403 0x0403
1485#define USB_DEVICE_ID_GTCO_404 0x0404
f0649024 1486#define USB_DEVICE_ID_GTCO_405 0x0405
6f8d9e26
JR		 1487#define USB_DEVICE_ID_GTCO_500 0x0500
1488#define USB_DEVICE_ID_GTCO_501 0x0501
1489#define USB_DEVICE_ID_GTCO_502 0x0502
1490#define USB_DEVICE_ID_GTCO_503 0x0503
1491#define USB_DEVICE_ID_GTCO_504 0x0504
1492#define USB_DEVICE_ID_GTCO_1000 0x1000
1493#define USB_DEVICE_ID_GTCO_1001 0x1001
1494#define USB_DEVICE_ID_GTCO_1002 0x1002
1495#define USB_DEVICE_ID_GTCO_1003 0x1003
1496#define USB_DEVICE_ID_GTCO_1004 0x1004
1497#define USB_DEVICE_ID_GTCO_1005 0x1005
1498#define USB_DEVICE_ID_GTCO_1006 0x1006
1499
1da177e4 1500#define USB_VENDOR_ID_WACOM 0x056a
1da177e4 1501
53880546
SV		 1502#define USB_VENDOR_ID_ACECAD 0x0460
1503#define USB_DEVICE_ID_ACECAD_FLAIR 0x0004
1504#define USB_DEVICE_ID_ACECAD_302 0x0008
1505
1da177e4
LT		 1506#define USB_VENDOR_ID_KBGEAR 0x084e
1507#define USB_DEVICE_ID_KBGEAR_JAMSTUDIO 0x1001
1508
1509#define USB_VENDOR_ID_AIPTEK 0x08ca
1510#define USB_DEVICE_ID_AIPTEK_01 0x0001
1511#define USB_DEVICE_ID_AIPTEK_10 0x0010
1512#define USB_DEVICE_ID_AIPTEK_20 0x0020
1513#define USB_DEVICE_ID_AIPTEK_21 0x0021
1514#define USB_DEVICE_ID_AIPTEK_22 0x0022
1515#define USB_DEVICE_ID_AIPTEK_23 0x0023
1516#define USB_DEVICE_ID_AIPTEK_24 0x0024
1517
1518#define USB_VENDOR_ID_GRIFFIN 0x077d
1519#define USB_DEVICE_ID_POWERMATE 0x0410
1520#define USB_DEVICE_ID_SOUNDKNOB 0x04AA
1521
1522#define USB_VENDOR_ID_ATEN 0x0557
1523#define USB_DEVICE_ID_ATEN_UC100KM 0x2004
1524#define USB_DEVICE_ID_ATEN_CS124U 0x2202
1525#define USB_DEVICE_ID_ATEN_2PORTKVM 0x2204
1526#define USB_DEVICE_ID_ATEN_4PORTKVM 0x2205
1527#define USB_DEVICE_ID_ATEN_4PORTKVMC 0x2208
1528
1529#define USB_VENDOR_ID_TOPMAX 0x0663
1530#define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103
1531
1532#define USB_VENDOR_ID_HAPP 0x078b
1533#define USB_DEVICE_ID_UGCI_DRIVING 0x0010
1534#define USB_DEVICE_ID_UGCI_FLYING 0x0020
1535#define USB_DEVICE_ID_UGCI_FIGHTING 0x0030
1536
1537#define USB_VENDOR_ID_MGE 0x0463
1538#define USB_DEVICE_ID_MGE_UPS 0xffff
1539#define USB_DEVICE_ID_MGE_UPS1 0x0001
1540
1541#define USB_VENDOR_ID_ONTRAK 0x0a07
1542#define USB_DEVICE_ID_ONTRAK_ADU100 0x0064
1543
1da177e4
LT		 1544#define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f
1545#define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
1546
1547#define USB_VENDOR_ID_A4TECH 0x09da
1548#define USB_DEVICE_ID_A4TECH_WCP32PU 0x0006
1549
61cdecd9 1550#define USB_VENDOR_ID_AASHIMA 0x06d6
6345fdfd 1551#define USB_DEVICE_ID_AASHIMA_GAMEPAD 0x0025
61cdecd9 1552#define USB_DEVICE_ID_AASHIMA_PREDATOR 0x0026
6345fdfd 1553
1da177e4
LT		 1554#define USB_VENDOR_ID_CYPRESS 0x04b4
1555#define USB_DEVICE_ID_CYPRESS_MOUSE 0x0001
1556#define USB_DEVICE_ID_CYPRESS_HIDCOM 0x5500
7d25258f 1557#define USB_DEVICE_ID_CYPRESS_ULTRAMOUSE 0x7417
1da177e4
LT		 1558
1559#define USB_VENDOR_ID_BERKSHIRE 0x0c98
1560#define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140
1561
1562#define USB_VENDOR_ID_ALPS 0x0433
1563#define USB_DEVICE_ID_IBM_GAMEPAD 0x1101
1564
1565#define USB_VENDOR_ID_SAITEK 0x06a3
1566#define USB_DEVICE_ID_SAITEK_RUMBLEPAD 0xff17
1567
1568#define USB_VENDOR_ID_NEC 0x073e
1569#define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301
1570
1571#define USB_VENDOR_ID_CHIC 0x05fe
1572#define USB_DEVICE_ID_CHIC_GAMEPAD 0x0014
1573
1574#define USB_VENDOR_ID_GLAB 0x06c2
1575#define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038
1576#define USB_DEVICE_ID_1_PHIDGETSERVO_30 0x0039
1da177e4 1577#define USB_DEVICE_ID_0_0_4_IF_KIT 0x0040
d5176b41
SY		 1578#define USB_DEVICE_ID_0_16_16_IF_KIT 0x0044
1579#define USB_DEVICE_ID_8_8_8_IF_KIT 0x0045
1580#define USB_DEVICE_ID_0_8_7_IF_KIT 0x0051
1da177e4 1581#define USB_DEVICE_ID_0_8_8_IF_KIT 0x0053
d5176b41 1582#define USB_DEVICE_ID_PHIDGET_MOTORCONTROL 0x0058
1da177e4
LT		 1583
1584#define USB_VENDOR_ID_WISEGROUP 0x0925
1585#define USB_DEVICE_ID_1_PHIDGETSERVO_20 0x8101
1586#define USB_DEVICE_ID_4_PHIDGETSERVO_20 0x8104
d5176b41 1587#define USB_DEVICE_ID_8_8_4_IF_KIT 0x8201
e65335ef 1588#define USB_DEVICE_ID_DUAL_USB_JOYPAD 0x8866
1da177e4 1589
b857c651
NG		 1590#define USB_VENDOR_ID_WISEGROUP_LTD 0x6677
1591#define USB_DEVICE_ID_SMARTJOY_DUAL_PLUS 0x8802
1592
1da177e4
LT		 1593#define USB_VENDOR_ID_CODEMERCS 0x07c0
1594#define USB_DEVICE_ID_CODEMERCS_IOW40 0x1500
1595#define USB_DEVICE_ID_CODEMERCS_IOW24 0x1501
1596#define USB_DEVICE_ID_CODEMERCS_IOW48 0x1502
1597#define USB_DEVICE_ID_CODEMERCS_IOW28 0x1503
1598
1599#define USB_VENDOR_ID_DELORME 0x1163
1600#define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100
dc1d1003 1601#define USB_DEVICE_ID_DELORME_EM_LT20 0x0200
1da177e4
LT		 1602
1603#define USB_VENDOR_ID_MCC 0x09db
1604#define USB_DEVICE_ID_MCC_PMD1024LS 0x0076
1605#define USB_DEVICE_ID_MCC_PMD1208LS 0x007a
1606
4871d3be
GKH		 1607#define USB_VENDOR_ID_VERNIER 0x08f7
1608#define USB_DEVICE_ID_VERNIER_LABPRO 0x0001
1609#define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002
1610#define USB_DEVICE_ID_VERNIER_SKIP 0x0003
1611#define USB_DEVICE_ID_VERNIER_CYCLOPS 0x0004
1612
8fd6db47 1613#define USB_VENDOR_ID_LD 0x0f11
ba3e66e9
MH		 1614#define USB_DEVICE_ID_LD_CASSY 0x1000
1615#define USB_DEVICE_ID_LD_POCKETCASSY 0x1010
1616#define USB_DEVICE_ID_LD_MOBILECASSY 0x1020
1617#define USB_DEVICE_ID_LD_JWM 0x1080
1618#define USB_DEVICE_ID_LD_DMMP 0x1081
1619#define USB_DEVICE_ID_LD_UMIP 0x1090
1620#define USB_DEVICE_ID_LD_XRAY1 0x1100
1621#define USB_DEVICE_ID_LD_XRAY2 0x1101
1622#define USB_DEVICE_ID_LD_VIDEOCOM 0x1200
1623#define USB_DEVICE_ID_LD_COM3LAB 0x2000
1624#define USB_DEVICE_ID_LD_TELEPORT 0x2010
1625#define USB_DEVICE_ID_LD_NETWORKANALYSER 0x2020
1626#define USB_DEVICE_ID_LD_POWERCONTROL 0x2030
1627#define USB_DEVICE_ID_LD_MACHINETEST 0x2040
8fd6db47 1628
c58de6d9 1629#define USB_VENDOR_ID_APPLE 0x05ac
a82e49b8 1630#define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304
1da177e4 1631
940824b0
VP		 1632#define USB_VENDOR_ID_CHERRY 0x046a
1633#define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023
1634
5cd330f4
HV		 1635#define USB_VENDOR_ID_YEALINK 0x6993
1636#define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K 0xb001
8fd80133
JS		 1637
1638#define USB_VENDOR_ID_ALCOR 0x058f
1639#define USB_DEVICE_ID_ALCOR_USBRS232 0x9720
1640
931e24b9
RB		 1641#define USB_VENDOR_ID_SUN 0x0430
1642#define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab
1643
23b0d968
NMF		 1644#define USB_VENDOR_ID_AIRCABLE 0x16CA
1645#define USB_DEVICE_ID_AIRCABLE1 0x1502
1646
1da177e4
LT		 1647/*
1648 * Alphabetically sorted blacklist by quirk type.
1649 */
1650
4c4c9432 1651static const struct hid_blacklist {
1da177e4
LT		 1652 __u16 idVendor;
1653 __u16 idProduct;
1654 unsigned quirks;
1655} hid_blacklist[] = {
1656
1657 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01, HID_QUIRK_IGNORE },
1658 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10, HID_QUIRK_IGNORE },
1659 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20, HID_QUIRK_IGNORE },
1660 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21, HID_QUIRK_IGNORE },
1661 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22, HID_QUIRK_IGNORE },
1662 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23, HID_QUIRK_IGNORE },
1663 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24, HID_QUIRK_IGNORE },
23b0d968 1664 { USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1, HID_QUIRK_IGNORE },
8fd80133 1665 { USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232, HID_QUIRK_IGNORE },
1da177e4
LT		 1666 { USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD, HID_QUIRK_IGNORE },
1667 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW40, HID_QUIRK_IGNORE },
1668 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW24, HID_QUIRK_IGNORE },
1669 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW48, HID_QUIRK_IGNORE },
1670 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW28, HID_QUIRK_IGNORE },
1671 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM, HID_QUIRK_IGNORE },
7d25258f 1672 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE, HID_QUIRK_IGNORE },
1da177e4 1673 { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE, HID_QUIRK_IGNORE },
dc1d1003 1674 { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20, HID_QUIRK_IGNORE },
1da177e4
LT		 1675 { USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5, HID_QUIRK_IGNORE },
1676 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
1677 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
1da177e4 1678 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT, HID_QUIRK_IGNORE },
d5176b41
SY		 1679 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT, HID_QUIRK_IGNORE },
1680 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT, HID_QUIRK_IGNORE },
1681 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT, HID_QUIRK_IGNORE },
1da177e4 1682 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT, HID_QUIRK_IGNORE },
d5176b41 1683 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL, HID_QUIRK_IGNORE },
1da177e4
LT		 1684 { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE, HID_QUIRK_IGNORE },
1685 { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB, HID_QUIRK_IGNORE },
6f8d9e26
JR		 1686 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90, HID_QUIRK_IGNORE },
1687 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100, HID_QUIRK_IGNORE },
1688 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101, HID_QUIRK_IGNORE },
1689 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103, HID_QUIRK_IGNORE },
1690 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104, HID_QUIRK_IGNORE },
1691 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105, HID_QUIRK_IGNORE },
1692 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106, HID_QUIRK_IGNORE },
1693 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107, HID_QUIRK_IGNORE },
1694 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108, HID_QUIRK_IGNORE },
1695 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200, HID_QUIRK_IGNORE },
1696 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201, HID_QUIRK_IGNORE },
1697 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202, HID_QUIRK_IGNORE },
1698 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203, HID_QUIRK_IGNORE },
1699 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204, HID_QUIRK_IGNORE },
1700 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205, HID_QUIRK_IGNORE },
1701 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206, HID_QUIRK_IGNORE },
1702 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207, HID_QUIRK_IGNORE },
1703 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300, HID_QUIRK_IGNORE },
1704 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301, HID_QUIRK_IGNORE },
1705 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302, HID_QUIRK_IGNORE },
1706 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303, HID_QUIRK_IGNORE },
1707 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304, HID_QUIRK_IGNORE },
1708 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305, HID_QUIRK_IGNORE },
1709 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306, HID_QUIRK_IGNORE },
1710 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307, HID_QUIRK_IGNORE },
1711 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308, HID_QUIRK_IGNORE },
1712 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309, HID_QUIRK_IGNORE },
1713 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400, HID_QUIRK_IGNORE },
1714 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401, HID_QUIRK_IGNORE },
1715 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402, HID_QUIRK_IGNORE },
1716 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403, HID_QUIRK_IGNORE },
1717 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404, HID_QUIRK_IGNORE },
f0649024 1718 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405, HID_QUIRK_IGNORE },
6f8d9e26
JR		 1719 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500, HID_QUIRK_IGNORE },
1720 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501, HID_QUIRK_IGNORE },
1721 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502, HID_QUIRK_IGNORE },
1722 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503, HID_QUIRK_IGNORE },
1723 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504, HID_QUIRK_IGNORE },
1724 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000, HID_QUIRK_IGNORE },
1725 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001, HID_QUIRK_IGNORE },
1726 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002, HID_QUIRK_IGNORE },
1727 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003, HID_QUIRK_IGNORE },
1728 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004, HID_QUIRK_IGNORE },
1729 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005, HID_QUIRK_IGNORE },
1730 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006, HID_QUIRK_IGNORE },
1da177e4 1731 { USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO, HID_QUIRK_IGNORE },
ba3e66e9
MH		 1732 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY, HID_QUIRK_IGNORE },
1733 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY, HID_QUIRK_IGNORE },
1734 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY, HID_QUIRK_IGNORE },
1735 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM, HID_QUIRK_IGNORE },
1736 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP, HID_QUIRK_IGNORE },
1737 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP, HID_QUIRK_IGNORE },
1738 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY1, HID_QUIRK_IGNORE },
1739 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2, HID_QUIRK_IGNORE },
1740 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM, HID_QUIRK_IGNORE },
1741 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB, HID_QUIRK_IGNORE },
1742 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT, HID_QUIRK_IGNORE },
1743 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER, HID_QUIRK_IGNORE },
1744 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL, HID_QUIRK_IGNORE },
1745 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST, HID_QUIRK_IGNORE },
1da177e4
LT		 1746 { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS, HID_QUIRK_IGNORE },
1747 { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS, HID_QUIRK_IGNORE },
1748 { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_IGNORE },
1749 { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1, HID_QUIRK_IGNORE },
1750 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100, HID_QUIRK_IGNORE },
03270634
SH		 1751 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20, HID_QUIRK_IGNORE },
1752 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30, HID_QUIRK_IGNORE },
1da177e4 1753 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100, HID_QUIRK_IGNORE },
03270634
SH		 1754 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108, HID_QUIRK_IGNORE },
1755 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118, HID_QUIRK_IGNORE },
1da177e4
LT		 1756 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200, HID_QUIRK_IGNORE },
1757 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300, HID_QUIRK_IGNORE },
1758 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400, HID_QUIRK_IGNORE },
1759 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500, HID_QUIRK_IGNORE },
4871d3be
GKH		 1760 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO, HID_QUIRK_IGNORE },
1761 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP, HID_QUIRK_IGNORE },
1762 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP, HID_QUIRK_IGNORE },
1763 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS, HID_QUIRK_IGNORE },
1da177e4
LT		 1764 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
1765 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
d5176b41 1766 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT, HID_QUIRK_IGNORE },
5cd330f4 1767 { USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K, HID_QUIRK_IGNORE },
1da177e4 1768
53880546
SV		 1769 { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR, HID_QUIRK_IGNORE },
1770 { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302, HID_QUIRK_IGNORE },
1771
1da177e4
LT		 1772 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
1773 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
1774 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
1775 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
1776 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
931e24b9 1777 { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
e65335ef 1778 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
b857c651 1779 { USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
1da177e4 1780
a82e49b8 1781 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE, HID_QUIRK_MIGHTYMOUSE | HID_QUIRK_INVERT_HWHEEL },
1da177e4
LT		 1782 { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 },
1783 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 },
1784
6345fdfd 1785 { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD },
61cdecd9 1786 { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
1da177e4
LT		 1787 { USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD },
1788 { USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD },
1789 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
1790 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
1791 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
1792 { USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD },
1793 { USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD },
1794 { USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD },
1795
940824b0
VP		 1796 { USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_CYMOTION },
1797
eab9edd2
MH		 1798 { USB_VENDOR_ID_APPLE, 0x020E, HID_QUIRK_POWERBOOK_HAS_FN },
1799 { USB_VENDOR_ID_APPLE, 0x020F, HID_QUIRK_POWERBOOK_HAS_FN },
1800 { USB_VENDOR_ID_APPLE, 0x0214, HID_QUIRK_POWERBOOK_HAS_FN },
bb7eef6e 1801 { USB_VENDOR_ID_APPLE, 0x0215, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
eab9edd2 1802 { USB_VENDOR_ID_APPLE, 0x0216, HID_QUIRK_POWERBOOK_HAS_FN },
5c218e3b 1803 { USB_VENDOR_ID_APPLE, 0x0217, HID_QUIRK_POWERBOOK_HAS_FN },
bb7eef6e 1804 { USB_VENDOR_ID_APPLE, 0x0218, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
5c218e3b 1805 { USB_VENDOR_ID_APPLE, 0x0219, HID_QUIRK_POWERBOOK_HAS_FN },
a7dc4eea 1806 { USB_VENDOR_ID_APPLE, 0x021B, HID_QUIRK_POWERBOOK_HAS_FN },
eab9edd2
MH		 1807 { USB_VENDOR_ID_APPLE, 0x030A, HID_QUIRK_POWERBOOK_HAS_FN },
1808 { USB_VENDOR_ID_APPLE, 0x030B, HID_QUIRK_POWERBOOK_HAS_FN },
1809
1d3e2023
DR		 1810 { USB_VENDOR_ID_PANJIT, 0x0001, HID_QUIRK_IGNORE },
1811 { USB_VENDOR_ID_PANJIT, 0x0002, HID_QUIRK_IGNORE },
1812 { USB_VENDOR_ID_PANJIT, 0x0003, HID_QUIRK_IGNORE },
1813 { USB_VENDOR_ID_PANJIT, 0x0004, HID_QUIRK_IGNORE },
1814
d57cdcff
BC		 1815 { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
1816
1da177e4
LT		 1817 { 0, 0 }
1818};
1819
bf0964dc
MH		 1820/*
1821 * Traverse the supplied list of reports and find the longest
1822 */
1823static void hid_find_max_report(struct hid_device *hid, unsigned int type, int *max)
1824{
1825 struct hid_report *report;
1826 int size;
1827
1828 list_for_each_entry(report, &hid->report_enum[type].report_list, list) {
1829 size = ((report->size - 1) >> 3) + 1;
1830 if (type == HID_INPUT_REPORT && hid->report_enum[type].numbered)
1831 size++;
1832 if (*max < size)
1833 *max = size;
1834 }
1835}
1836
1da177e4
LT		 1837static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid)
1838{
bf0964dc 1839 if (!(hid->inbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->inbuf_dma)))
1da177e4 1840 return -1;
bf0964dc 1841 if (!(hid->outbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->outbuf_dma)))
1da177e4
LT		 1842 return -1;
1843 if (!(hid->cr = usb_buffer_alloc(dev, sizeof(*(hid->cr)), SLAB_ATOMIC, &hid->cr_dma)))
1844 return -1;
bf0964dc 1845 if (!(hid->ctrlbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->ctrlbuf_dma)))
1da177e4
LT		 1846 return -1;
1847
1848 return 0;
1849}
1850
1851static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid)
1852{
1853 if (hid->inbuf)
bf0964dc 1854 usb_buffer_free(dev, hid->bufsize, hid->inbuf, hid->inbuf_dma);
1da177e4 1855 if (hid->outbuf)
bf0964dc 1856 usb_buffer_free(dev, hid->bufsize, hid->outbuf, hid->outbuf_dma);
1da177e4
LT		 1857 if (hid->cr)
1858 usb_buffer_free(dev, sizeof(*(hid->cr)), hid->cr, hid->cr_dma);
1859 if (hid->ctrlbuf)
bf0964dc 1860 usb_buffer_free(dev, hid->bufsize, hid->ctrlbuf, hid->ctrlbuf_dma);
1da177e4
LT		 1861}
1862
940824b0
VP		 1863/*
1864 * Cherry Cymotion keyboard have an invalid HID report descriptor,
1865 * that needs fixing before we can parse it.
1866 */
1867
1868static void hid_fixup_cymotion_descriptor(char *rdesc, int rsize)
1869{
1870 if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) {
1871 info("Fixing up Cherry Cymotion report descriptor");
1872 rdesc[11] = rdesc[16] = 0xff;
1873 rdesc[12] = rdesc[17] = 0x03;
1874 }
1875}
1876
1da177e4
LT		 1877static struct hid_device *usb_hid_configure(struct usb_interface *intf)
1878{
1879 struct usb_host_interface *interface = intf->cur_altsetting;
1880 struct usb_device *dev = interface_to_usbdev (intf);
1881 struct hid_descriptor *hdesc;
1882 struct hid_device *hid;
1883 unsigned quirks = 0, rsize = 0;
c5b7c7c3
DT		 1884 char *rdesc;
1885 int n, len, insize = 0;
1da177e4 1886
ea186651 1887 /* Ignore all Wacom devices */
c03efdb2 1888 if (le16_to_cpu(dev->descriptor.idVendor) == USB_VENDOR_ID_WACOM)
ea186651
PC		 1889 return NULL;
1890
1da177e4
LT		 1891 for (n = 0; hid_blacklist[n].idVendor; n++)
1892 if ((hid_blacklist[n].idVendor == le16_to_cpu(dev->descriptor.idVendor)) &&
1893 (hid_blacklist[n].idProduct == le16_to_cpu(dev->descriptor.idProduct)))
1894 quirks = hid_blacklist[n].quirks;
1895
0f28b55d
AS		 1896 /* Many keyboards and mice don't like to be polled for reports,
1897 * so we will always set the HID_QUIRK_NOGET flag for them. */
1898 if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT) {
1899 if (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_KEYBOARD ||
1900 interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE)
1901 quirks |= HID_QUIRK_NOGET;
1902 }
1903
1da177e4
LT		 1904 if (quirks & HID_QUIRK_IGNORE)
1905 return NULL;
1906
c5b7c7c3
DT		 1907 if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) &&
1908 (!interface->desc.bNumEndpoints ||
1909 usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) {
1910 dbg("class descriptor not present\n");
1911 return NULL;
1da177e4
LT		 1912 }
1913
1914 for (n = 0; n < hdesc->bNumDescriptors; n++)
1915 if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT)
1916 rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength);
1917
1918 if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) {
1919 dbg("weird size of report descriptor (%u)", rsize);
1920 return NULL;
1921 }
1922
1923 if (!(rdesc = kmalloc(rsize, GFP_KERNEL))) {
1924 dbg("couldn't allocate rdesc memory");
1925 return NULL;
1926 }
1927
854561b0
VP		 1928 hid_set_idle(dev, interface->desc.bInterfaceNumber, 0, 0);
1929
1da177e4
LT		 1930 if ((n = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber, HID_DT_REPORT, rdesc, rsize)) < 0) {
1931 dbg("reading report descriptor failed");
1932 kfree(rdesc);
1933 return NULL;
1934 }
1935
940824b0
VP		 1936 if ((quirks & HID_QUIRK_CYMOTION))
1937 hid_fixup_cymotion_descriptor(rdesc, rsize);
1938
1da177e4
LT		 1939#ifdef DEBUG_DATA
1940 printk(KERN_DEBUG __FILE__ ": report descriptor (size %u, read %d) = ", rsize, n);
1941 for (n = 0; n < rsize; n++)
1942 printk(" %02x", (unsigned char) rdesc[n]);
1943 printk("\n");
1944#endif
1945
1946 if (!(hid = hid_parse_report(rdesc, n))) {
1947 dbg("parsing report descriptor failed");
1948 kfree(rdesc);
1949 return NULL;
1950 }
1951
1952 kfree(rdesc);
1953 hid->quirks = quirks;
1954
bf0964dc
MH		 1955 hid->bufsize = HID_MIN_BUFFER_SIZE;
1956 hid_find_max_report(hid, HID_INPUT_REPORT, &hid->bufsize);
1957 hid_find_max_report(hid, HID_OUTPUT_REPORT, &hid->bufsize);
1958 hid_find_max_report(hid, HID_FEATURE_REPORT, &hid->bufsize);
1959
1960 if (hid->bufsize > HID_MAX_BUFFER_SIZE)
1961 hid->bufsize = HID_MAX_BUFFER_SIZE;
1962
1963 hid_find_max_report(hid, HID_INPUT_REPORT, &insize);
1964
1965 if (insize > HID_MAX_BUFFER_SIZE)
1966 insize = HID_MAX_BUFFER_SIZE;
1967
1da177e4
LT		 1968 if (hid_alloc_buffers(dev, hid)) {
1969 hid_free_buffers(dev, hid);
1970 goto fail;
1971 }
1972
1973 for (n = 0; n < interface->desc.bNumEndpoints; n++) {
1974
1975 struct usb_endpoint_descriptor *endpoint;
1976 int pipe;
1977 int interval;
1978
1979 endpoint = &interface->endpoint[n].desc;
1980 if ((endpoint->bmAttributes & 3) != 3) /* Not an interrupt endpoint */
1981 continue;
1982
1da177e4 1983 interval = endpoint->bInterval;
1da177e4
LT		 1984
1985 /* Change the polling interval of mice. */
1986 if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0)
1987 interval = hid_mousepoll_interval;
05f091ab 1988
1da177e4
LT		 1989 if (endpoint->bEndpointAddress & USB_DIR_IN) {
1990 if (hid->urbin)
1991 continue;
1992 if (!(hid->urbin = usb_alloc_urb(0, GFP_KERNEL)))
1993 goto fail;
1994 pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
bf0964dc 1995 usb_fill_int_urb(hid->urbin, dev, pipe, hid->inbuf, insize,
1da177e4
LT		 1996 hid_irq_in, hid, interval);
1997 hid->urbin->transfer_dma = hid->inbuf_dma;
b375a049 1998 hid->urbin->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1da177e4
LT		 1999 } else {
2000 if (hid->urbout)
2001 continue;
2002 if (!(hid->urbout = usb_alloc_urb(0, GFP_KERNEL)))
2003 goto fail;
2004 pipe = usb_sndintpipe(dev, endpoint->bEndpointAddress);
2005 usb_fill_int_urb(hid->urbout, dev, pipe, hid->outbuf, 0,
2006 hid_irq_out, hid, interval);
2007 hid->urbout->transfer_dma = hid->outbuf_dma;
b375a049 2008 hid->urbout->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1da177e4
LT		 2009 }
2010 }
2011
2012 if (!hid->urbin) {
2013 err("couldn't find an input interrupt endpoint");
2014 goto fail;
2015 }
2016
2017 init_waitqueue_head(&hid->wait);
2018
c4028958 2019 INIT_WORK(&hid->reset_work, hid_reset);
aef4e266
AS		 2020 setup_timer(&hid->io_retry, hid_retry_timeout, (unsigned long) hid);
2021
2022 spin_lock_init(&hid->inlock);
1da177e4
LT		 2023 spin_lock_init(&hid->outlock);
2024 spin_lock_init(&hid->ctrllock);
2025
2026 hid->version = le16_to_cpu(hdesc->bcdHID);
2027 hid->country = hdesc->bCountryCode;
2028 hid->dev = dev;
2029 hid->intf = intf;
2030 hid->ifnum = interface->desc.bInterfaceNumber;
2031
2032 hid->name[0] = 0;
2033
c5b7c7c3
DT		 2034 if (dev->manufacturer)
2035 strlcpy(hid->name, dev->manufacturer, sizeof(hid->name));
2036
2037 if (dev->product) {
2038 if (dev->manufacturer)
2039 strlcat(hid->name, " ", sizeof(hid->name));
2040 strlcat(hid->name, dev->product, sizeof(hid->name));
2041 }
2042
2043 if (!strlen(hid->name))
2044 snprintf(hid->name, sizeof(hid->name), "HID %04x:%04x",
2045 le16_to_cpu(dev->descriptor.idVendor),
2046 le16_to_cpu(dev->descriptor.idProduct));
1da177e4 2047
c5b7c7c3
DT		 2048 usb_make_path(dev, hid->phys, sizeof(hid->phys));
2049 strlcat(hid->phys, "/input", sizeof(hid->phys));
2050 len = strlen(hid->phys);
2051 if (len < sizeof(hid->phys) - 1)
2052 snprintf(hid->phys + len, sizeof(hid->phys) - len,
2053 "%d", intf->altsetting[0].desc.bInterfaceNumber);
1da177e4
LT		 2054
2055 if (usb_string(dev, dev->descriptor.iSerialNumber, hid->uniq, 64) <= 0)
2056 hid->uniq[0] = 0;
2057
1da177e4
LT		 2058 hid->urbctrl = usb_alloc_urb(0, GFP_KERNEL);
2059 if (!hid->urbctrl)
2060 goto fail;
c5b7c7c3 2061
1da177e4
LT		 2062 usb_fill_control_urb(hid->urbctrl, dev, 0, (void *) hid->cr,
2063 hid->ctrlbuf, 1, hid_ctrl, hid);
2064 hid->urbctrl->setup_dma = hid->cr_dma;
2065 hid->urbctrl->transfer_dma = hid->ctrlbuf_dma;
b375a049 2066 hid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP);
1da177e4
LT		 2067
2068 return hid;
2069
2070fail:
2071
2072 if (hid->urbin)
2073 usb_free_urb(hid->urbin);
2074 if (hid->urbout)
2075 usb_free_urb(hid->urbout);
2076 if (hid->urbctrl)
2077 usb_free_urb(hid->urbctrl);
2078 hid_free_buffers(dev, hid);
2079 hid_free_device(hid);
2080
2081 return NULL;
2082}
2083
2084static void hid_disconnect(struct usb_interface *intf)
2085{
2086 struct hid_device *hid = usb_get_intfdata (intf);
2087
2088 if (!hid)
2089 return;
2090
aef4e266 2091 spin_lock_irq(&hid->inlock); /* Sync with error handler */
1da177e4 2092 usb_set_intfdata(intf, NULL);
aef4e266 2093 spin_unlock_irq(&hid->inlock);
1da177e4
LT		 2094 usb_kill_urb(hid->urbin);
2095 usb_kill_urb(hid->urbout);
2096 usb_kill_urb(hid->urbctrl);
2097
aef4e266
AS		 2098 del_timer_sync(&hid->io_retry);
2099 flush_scheduled_work();
2100
1da177e4
LT		 2101 if (hid->claimed & HID_CLAIMED_INPUT)
2102 hidinput_disconnect(hid);
2103 if (hid->claimed & HID_CLAIMED_HIDDEV)
2104 hiddev_disconnect(hid);
2105
2106 usb_free_urb(hid->urbin);
2107 usb_free_urb(hid->urbctrl);
2108 if (hid->urbout)
2109 usb_free_urb(hid->urbout);
2110
2111 hid_free_buffers(hid->dev, hid);
2112 hid_free_device(hid);
2113}
2114
2115static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id)
2116{
2117 struct hid_device *hid;
2118 char path[64];
2119 int i;
2120 char *c;
2121
2122 dbg("HID probe called for ifnum %d",
2123 intf->altsetting->desc.bInterfaceNumber);
2124
2125 if (!(hid = usb_hid_configure(intf)))
479f6ea8 2126 return -ENODEV;
1da177e4
LT		 2127
2128 hid_init_reports(hid);
2129 hid_dump_device(hid);
2130
2131 if (!hidinput_connect(hid))
2132 hid->claimed |= HID_CLAIMED_INPUT;
2133 if (!hiddev_connect(hid))
2134 hid->claimed |= HID_CLAIMED_HIDDEV;
2135
2136 usb_set_intfdata(intf, hid);
2137
2138 if (!hid->claimed) {
2139 printk ("HID device not claimed by input or hiddev\n");
2140 hid_disconnect(intf);
479f6ea8 2141 return -ENODEV;
1da177e4
LT		 2142 }
2143
2144 printk(KERN_INFO);
2145
2146 if (hid->claimed & HID_CLAIMED_INPUT)
2147 printk("input");
2148 if (hid->claimed == (HID_CLAIMED_INPUT | HID_CLAIMED_HIDDEV))
2149 printk(",");
2150 if (hid->claimed & HID_CLAIMED_HIDDEV)
2151 printk("hiddev%d", hid->minor);
2152
2153 c = "Device";
2154 for (i = 0; i < hid->maxcollection; i++) {
2155 if (hid->collection[i].type == HID_COLLECTION_APPLICATION &&
2156 (hid->collection[i].usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
2157 (hid->collection[i].usage & 0xffff) < ARRAY_SIZE(hid_types)) {
2158 c = hid_types[hid->collection[i].usage & 0xffff];
2159 break;
2160 }
2161 }
2162
2163 usb_make_path(interface_to_usbdev(intf), path, 63);
2164
2165 printk(": USB HID v%x.%02x %s [%s] on %s\n",
2166 hid->version >> 8, hid->version & 0xff, c, hid->name, path);
2167
2168 return 0;
2169}
2170
27d72e85 2171static int hid_suspend(struct usb_interface *intf, pm_message_t message)
1da177e4
LT		 2172{
2173 struct hid_device *hid = usb_get_intfdata (intf);
2174
aef4e266
AS		 2175 spin_lock_irq(&hid->inlock); /* Sync with error handler */
2176 set_bit(HID_SUSPENDED, &hid->iofl);
2177 spin_unlock_irq(&hid->inlock);
2178 del_timer(&hid->io_retry);
1da177e4 2179 usb_kill_urb(hid->urbin);
1da177e4
LT		 2180 dev_dbg(&intf->dev, "suspend\n");
2181 return 0;
2182}
2183
2184static int hid_resume(struct usb_interface *intf)
2185{
2186 struct hid_device *hid = usb_get_intfdata (intf);
2187 int status;
2188
aef4e266 2189 clear_bit(HID_SUSPENDED, &hid->iofl);
df9a1f48 2190 hid->retry_delay = 0;
aef4e266 2191 status = hid_start_in(hid);
1da177e4
LT		 2192 dev_dbg(&intf->dev, "resume status %d\n", status);
2193 return status;
2194}
2195
df9a1f48
AS		 2196/* Treat USB reset pretty much the same as suspend/resume */
2197static void hid_pre_reset(struct usb_interface *intf)
2198{
2199 /* FIXME: What if the interface is already suspended? */
2200 hid_suspend(intf, PMSG_ON);
2201}
2202
2203static void hid_post_reset(struct usb_interface *intf)
2204{
2205 struct usb_device *dev = interface_to_usbdev (intf);
2206
2207 hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0);
2208 /* FIXME: Any more reinitialization needed? */
2209
2210 hid_resume(intf);
2211}
2212
1da177e4
LT		 2213static struct usb_device_id hid_usb_ids [] = {
2214 { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS,
2215 .bInterfaceClass = USB_INTERFACE_CLASS_HID },
2216 { } /* Terminating entry */
2217};
2218
2219MODULE_DEVICE_TABLE (usb, hid_usb_ids);
2220
2221static struct usb_driver hid_driver = {
1da177e4
LT		 2222 .name = "usbhid",
2223 .probe = hid_probe,
2224 .disconnect = hid_disconnect,
2225 .suspend = hid_suspend,
2226 .resume = hid_resume,
df9a1f48
AS		 2227 .pre_reset = hid_pre_reset,
2228 .post_reset = hid_post_reset,
1da177e4
LT		 2229 .id_table = hid_usb_ids,
2230};
2231
2232static int __init hid_init(void)
2233{
2234 int retval;
2235 retval = hiddev_init();
2236 if (retval)
2237 goto hiddev_init_fail;
2238 retval = usb_register(&hid_driver);
2239 if (retval)
2240 goto usb_register_fail;
2241 info(DRIVER_VERSION ":" DRIVER_DESC);
2242
2243 return 0;
2244usb_register_fail:
2245 hiddev_exit();
2246hiddev_init_fail:
2247 return retval;
2248}
2249
2250static void __exit hid_exit(void)
2251{
2252 usb_deregister(&hid_driver);
2253 hiddev_exit();
2254}
2255
2256module_init(hid_init);
2257module_exit(hid_exit);
2258
2259MODULE_AUTHOR(DRIVER_AUTHOR);
2260MODULE_DESCRIPTION(DRIVER_DESC);
2261MODULE_LICENSE(DRIVER_LICENSE);
Clone of davem's net-next-2.6 tree