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[PATCH] Generic HID layer - disable USB HID
[mirror_ubuntu-artful-kernel.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
6d8fc4d2 971/* Workqueue routine to reset the device or clear a halt */
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);
6d8fc4d2
AS		 976 int rc_lock, rc = 0;
977
978 if (test_bit(HID_CLEAR_HALT, &hid->iofl)) {
979 dev_dbg(&hid->intf->dev, "clear halt\n");
980 rc = usb_clear_halt(hid->dev, hid->urbin->pipe);
981 clear_bit(HID_CLEAR_HALT, &hid->iofl);
982 hid_start_in(hid);
983 }
984
985 else if (test_bit(HID_RESET_PENDING, &hid->iofl)) {
986 dev_dbg(&hid->intf->dev, "resetting device\n");
987 rc = rc_lock = usb_lock_device_for_reset(hid->dev, hid->intf);
988 if (rc_lock >= 0) {
989 rc = usb_reset_composite_device(hid->dev, hid->intf);
990 if (rc_lock)
991 usb_unlock_device(hid->dev);
992 }
993 clear_bit(HID_RESET_PENDING, &hid->iofl);
aef4e266 994 }
aef4e266 995
df9a1f48
AS		 996 switch (rc) {
997 case 0:
998 if (!test_bit(HID_IN_RUNNING, &hid->iofl))
aef4e266 999 hid_io_error(hid);
df9a1f48
AS		 1000 break;
1001 default:
aef4e266
AS		 1002 err("can't reset device, %s-%s/input%d, status %d",
1003 hid->dev->bus->bus_name,
1004 hid->dev->devpath,
1005 hid->ifnum, rc);
df9a1f48
AS		 1006 /* FALLTHROUGH */
1007 case -EHOSTUNREACH:
1008 case -ENODEV:
1009 case -EINTR:
1010 break;
1011 }
aef4e266
AS		 1012}
1013
1014/* Main I/O error handler */
1015static void hid_io_error(struct hid_device *hid)
1016{
1017 unsigned long flags;
1018
1019 spin_lock_irqsave(&hid->inlock, flags);
1020
1021 /* Stop when disconnected */
1022 if (usb_get_intfdata(hid->intf) == NULL)
1023 goto done;
1024
1025 /* When an error occurs, retry at increasing intervals */
1026 if (hid->retry_delay == 0) {
1027 hid->retry_delay = 13; /* Then 26, 52, 104, 104, ... */
1028 hid->stop_retry = jiffies + msecs_to_jiffies(1000);
1029 } else if (hid->retry_delay < 100)
1030 hid->retry_delay *= 2;
1031
1032 if (time_after(jiffies, hid->stop_retry)) {
1033
1034 /* Retries failed, so do a port reset */
1035 if (!test_and_set_bit(HID_RESET_PENDING, &hid->iofl)) {
6d8fc4d2
AS		 1036 schedule_work(&hid->reset_work);
1037 goto done;
aef4e266
AS		 1038 }
1039 }
1040
1041 mod_timer(&hid->io_retry,
1042 jiffies + msecs_to_jiffies(hid->retry_delay));
1043done:
1044 spin_unlock_irqrestore(&hid->inlock, flags);
1045}
1046
1da177e4
LT		 1047/*
1048 * Input interrupt completion handler.
1049 */
1050
7d12e780 1051static void hid_irq_in(struct urb *urb)
1da177e4
LT		 1052{
1053 struct hid_device *hid = urb->context;
1054 int status;
1055
1056 switch (urb->status) {
1057 case 0: /* success */
aef4e266 1058 hid->retry_delay = 0;
7d12e780 1059 hid_input_report(HID_INPUT_REPORT, urb, 1);
1da177e4 1060 break;
6d8fc4d2
AS		 1061 case -EPIPE: /* stall */
1062 clear_bit(HID_IN_RUNNING, &hid->iofl);
1063 set_bit(HID_CLEAR_HALT, &hid->iofl);
1064 schedule_work(&hid->reset_work);
1065 return;
1da177e4
LT		 1066 case -ECONNRESET: /* unlink */
1067 case -ENOENT:
1da177e4 1068 case -ESHUTDOWN: /* unplug */
aef4e266 1069 clear_bit(HID_IN_RUNNING, &hid->iofl);
1da177e4 1070 return;
aef4e266
AS		 1071 case -EILSEQ: /* protocol error or unplug */
1072 case -EPROTO: /* protocol error or unplug */
38e2bfc9
PZ		 1073 case -ETIME: /* protocol error or unplug */
1074 case -ETIMEDOUT: /* Should never happen, but... */
aef4e266
AS		 1075 clear_bit(HID_IN_RUNNING, &hid->iofl);
1076 hid_io_error(hid);
1077 return;
1da177e4
LT		 1078 default: /* error */
1079 warn("input irq status %d received", urb->status);
1080 }
1081
54e6ecb2 1082 status = usb_submit_urb(urb, GFP_ATOMIC);
aef4e266
AS		 1083 if (status) {
1084 clear_bit(HID_IN_RUNNING, &hid->iofl);
1085 if (status != -EPERM) {
1086 err("can't resubmit intr, %s-%s/input%d, status %d",
1087 hid->dev->bus->bus_name,
1088 hid->dev->devpath,
1089 hid->ifnum, status);
1090 hid_io_error(hid);
1091 }
1092 }
1da177e4
LT		 1093}
1094
1095/*
1096 * Output the field into the report.
1097 */
1098
1099static void hid_output_field(struct hid_field *field, __u8 *data)
1100{
1101 unsigned count = field->report_count;
1102 unsigned offset = field->report_offset;
1103 unsigned size = field->report_size;
1104 unsigned n;
1105
1106 for (n = 0; n < count; n++) {
1107 if (field->logical_minimum < 0) /* signed values */
1108 implement(data, offset + n * size, size, s32ton(field->value[n], size));
1109 else /* unsigned values */
1110 implement(data, offset + n * size, size, field->value[n]);
1111 }
1112}
1113
1114/*
1115 * Create a report.
1116 */
1117
1118static void hid_output_report(struct hid_report *report, __u8 *data)
1119{
1120 unsigned n;
1121
1122 if (report->id > 0)
1123 *data++ = report->id;
1124
1125 for (n = 0; n < report->maxfield; n++)
1126 hid_output_field(report->field[n], data);
1127}
1128
1129/*
1130 * Set a field value. The report this field belongs to has to be
1131 * created and transferred to the device, to set this value in the
1132 * device.
1133 */
1134
1135int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1136{
1137 unsigned size = field->report_size;
1138
1139 hid_dump_input(field->usage + offset, value);
1140
1141 if (offset >= field->report_count) {
1142 dbg("offset (%d) exceeds report_count (%d)", offset, field->report_count);
1143 hid_dump_field(field, 8);
1144 return -1;
1145 }
1146 if (field->logical_minimum < 0) {
1147 if (value != snto32(s32ton(value, size), size)) {
1148 dbg("value %d is out of range", value);
1149 return -1;
1150 }
1151 }
1152 field->value[offset] = value;
1153 return 0;
1154}
1155
1156/*
1157 * Find a report field with a specified HID usage.
1158 */
f287caee 1159#if 0
1da177e4
LT		 1160struct hid_field *hid_find_field_by_usage(struct hid_device *hid, __u32 wanted_usage, int type)
1161{
1162 struct hid_report *report;
1163 int i;
1164
1165 list_for_each_entry(report, &hid->report_enum[type].report_list, list)
1166 for (i = 0; i < report->maxfield; i++)
1167 if (report->field[i]->logical == wanted_usage)
1168 return report->field[i];
1169 return NULL;
1170}
f287caee 1171#endif /* 0 */
1da177e4
LT		 1172
1173static int hid_submit_out(struct hid_device *hid)
1174{
1175 struct hid_report *report;
1176
1177 report = hid->out[hid->outtail];
1178
1179 hid_output_report(report, hid->outbuf);
1180 hid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0);
1181 hid->urbout->dev = hid->dev;
1182
1183 dbg("submitting out urb");
1184
1185 if (usb_submit_urb(hid->urbout, GFP_ATOMIC)) {
1186 err("usb_submit_urb(out) failed");
1187 return -1;
1188 }
1189
1190 return 0;
1191}
1192
1193static int hid_submit_ctrl(struct hid_device *hid)
1194{
1195 struct hid_report *report;
1196 unsigned char dir;
1197 int len;
1198
1199 report = hid->ctrl[hid->ctrltail].report;
1200 dir = hid->ctrl[hid->ctrltail].dir;
1201
1202 len = ((report->size - 1) >> 3) + 1 + (report->id > 0);
1203 if (dir == USB_DIR_OUT) {
1204 hid_output_report(report, hid->ctrlbuf);
1205 hid->urbctrl->pipe = usb_sndctrlpipe(hid->dev, 0);
1206 hid->urbctrl->transfer_buffer_length = len;
1207 } else {
1208 int maxpacket, padlen;
1209
1210 hid->urbctrl->pipe = usb_rcvctrlpipe(hid->dev, 0);
1211 maxpacket = usb_maxpacket(hid->dev, hid->urbctrl->pipe, 0);
1212 if (maxpacket > 0) {
1213 padlen = (len + maxpacket - 1) / maxpacket;
1214 padlen *= maxpacket;
bf0964dc
MH		 1215 if (padlen > hid->bufsize)
1216 padlen = hid->bufsize;
1da177e4
LT		 1217 } else
1218 padlen = 0;
1219 hid->urbctrl->transfer_buffer_length = padlen;
1220 }
1221 hid->urbctrl->dev = hid->dev;
1222
1223 hid->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | dir;
1224 hid->cr->bRequest = (dir == USB_DIR_OUT) ? HID_REQ_SET_REPORT : HID_REQ_GET_REPORT;
1225 hid->cr->wValue = cpu_to_le16(((report->type + 1) << 8) | report->id);
1226 hid->cr->wIndex = cpu_to_le16(hid->ifnum);
1227 hid->cr->wLength = cpu_to_le16(len);
1228
1229 dbg("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u",
1230 hid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : "Get_Report",
1231 hid->cr->wValue, hid->cr->wIndex, hid->cr->wLength);
1232
1233 if (usb_submit_urb(hid->urbctrl, GFP_ATOMIC)) {
1234 err("usb_submit_urb(ctrl) failed");
1235 return -1;
1236 }
1237
1238 return 0;
1239}
1240
1241/*
1242 * Output interrupt completion handler.
1243 */
1244
7d12e780 1245static void hid_irq_out(struct urb *urb)
1da177e4
LT		 1246{
1247 struct hid_device *hid = urb->context;
1248 unsigned long flags;
1249 int unplug = 0;
1250
1251 switch (urb->status) {
1252 case 0: /* success */
c4786ca8 1253 break;
1da177e4 1254 case -ESHUTDOWN: /* unplug */
1da177e4 1255 unplug = 1;
aef4e266
AS		 1256 case -EILSEQ: /* protocol error or unplug */
1257 case -EPROTO: /* protocol error or unplug */
1da177e4
LT		 1258 case -ECONNRESET: /* unlink */
1259 case -ENOENT:
1260 break;
1261 default: /* error */
1262 warn("output irq status %d received", urb->status);
1263 }
1264
1265 spin_lock_irqsave(&hid->outlock, flags);
1266
1267 if (unplug)
1268 hid->outtail = hid->outhead;
1269 else
1270 hid->outtail = (hid->outtail + 1) & (HID_OUTPUT_FIFO_SIZE - 1);
1271
1272 if (hid->outhead != hid->outtail) {
1273 if (hid_submit_out(hid)) {
53b3531b 1274 clear_bit(HID_OUT_RUNNING, &hid->iofl);
1da177e4
LT		 1275 wake_up(&hid->wait);
1276 }
1277 spin_unlock_irqrestore(&hid->outlock, flags);
1278 return;
1279 }
1280
1281 clear_bit(HID_OUT_RUNNING, &hid->iofl);
1282 spin_unlock_irqrestore(&hid->outlock, flags);
1283 wake_up(&hid->wait);
1284}
1285
1286/*
1287 * Control pipe completion handler.
1288 */
1289
7d12e780 1290static void hid_ctrl(struct urb *urb)
1da177e4
LT		 1291{
1292 struct hid_device *hid = urb->context;
1293 unsigned long flags;
1294 int unplug = 0;
1295
1296 spin_lock_irqsave(&hid->ctrllock, flags);
1297
1298 switch (urb->status) {
1299 case 0: /* success */
1300 if (hid->ctrl[hid->ctrltail].dir == USB_DIR_IN)
7d12e780 1301 hid_input_report(hid->ctrl[hid->ctrltail].report->type, urb, 0);
c4786ca8 1302 break;
1da177e4 1303 case -ESHUTDOWN: /* unplug */
1da177e4 1304 unplug = 1;
aef4e266
AS		 1305 case -EILSEQ: /* protocol error or unplug */
1306 case -EPROTO: /* protocol error or unplug */
1da177e4
LT		 1307 case -ECONNRESET: /* unlink */
1308 case -ENOENT:
1309 case -EPIPE: /* report not available */
1310 break;
1311 default: /* error */
1312 warn("ctrl urb status %d received", urb->status);
1313 }
1314
1315 if (unplug)
1316 hid->ctrltail = hid->ctrlhead;
1317 else
1318 hid->ctrltail = (hid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1);
1319
1320 if (hid->ctrlhead != hid->ctrltail) {
1321 if (hid_submit_ctrl(hid)) {
1322 clear_bit(HID_CTRL_RUNNING, &hid->iofl);
1323 wake_up(&hid->wait);
1324 }
1325 spin_unlock_irqrestore(&hid->ctrllock, flags);
1326 return;
1327 }
1328
1329 clear_bit(HID_CTRL_RUNNING, &hid->iofl);
1330 spin_unlock_irqrestore(&hid->ctrllock, flags);
1331 wake_up(&hid->wait);
1332}
1333
1334void hid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir)
1335{
1336 int head;
1337 unsigned long flags;
1338
1339 if ((hid->quirks & HID_QUIRK_NOGET) && dir == USB_DIR_IN)
1340 return;
1341
1342 if (hid->urbout && dir == USB_DIR_OUT && report->type == HID_OUTPUT_REPORT) {
1343
1344 spin_lock_irqsave(&hid->outlock, flags);
1345
1346 if ((head = (hid->outhead + 1) & (HID_OUTPUT_FIFO_SIZE - 1)) == hid->outtail) {
1347 spin_unlock_irqrestore(&hid->outlock, flags);
1348 warn("output queue full");
1349 return;
1350 }
1351
1352 hid->out[hid->outhead] = report;
1353 hid->outhead = head;
1354
1355 if (!test_and_set_bit(HID_OUT_RUNNING, &hid->iofl))
1356 if (hid_submit_out(hid))
1357 clear_bit(HID_OUT_RUNNING, &hid->iofl);
1358
1359 spin_unlock_irqrestore(&hid->outlock, flags);
1360 return;
1361 }
1362
1363 spin_lock_irqsave(&hid->ctrllock, flags);
1364
1365 if ((head = (hid->ctrlhead + 1) & (HID_CONTROL_FIFO_SIZE - 1)) == hid->ctrltail) {
1366 spin_unlock_irqrestore(&hid->ctrllock, flags);
1367 warn("control queue full");
1368 return;
1369 }
1370
1371 hid->ctrl[hid->ctrlhead].report = report;
1372 hid->ctrl[hid->ctrlhead].dir = dir;
1373 hid->ctrlhead = head;
1374
1375 if (!test_and_set_bit(HID_CTRL_RUNNING, &hid->iofl))
1376 if (hid_submit_ctrl(hid))
1377 clear_bit(HID_CTRL_RUNNING, &hid->iofl);
1378
1379 spin_unlock_irqrestore(&hid->ctrllock, flags);
1380}
1381
1382int hid_wait_io(struct hid_device *hid)
1383{
1384 if (!wait_event_timeout(hid->wait, (!test_bit(HID_CTRL_RUNNING, &hid->iofl) &&
1385 !test_bit(HID_OUT_RUNNING, &hid->iofl)),
1386 10*HZ)) {
1387 dbg("timeout waiting for ctrl or out queue to clear");
1388 return -1;
1389 }
1390
1391 return 0;
1392}
1393
854561b0
VP		 1394static int hid_set_idle(struct usb_device *dev, int ifnum, int report, int idle)
1395{
71387bd7 1396 return usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
854561b0
VP		 1397 HID_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE, (idle << 8) | report,
1398 ifnum, NULL, 0, USB_CTRL_SET_TIMEOUT);
1399}
1400
1da177e4
LT		 1401static int hid_get_class_descriptor(struct usb_device *dev, int ifnum,
1402 unsigned char type, void *buf, int size)
1403{
1404 int result, retries = 4;
1405
1406 memset(buf,0,size); // Make sure we parse really received data
1407
1408 do {
1409 result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
1410 USB_REQ_GET_DESCRIPTOR, USB_RECIP_INTERFACE | USB_DIR_IN,
1411 (type << 8), ifnum, buf, size, USB_CTRL_GET_TIMEOUT);
1412 retries--;
1413 } while (result < size && retries);
1414 return result;
1415}
1416
1417int hid_open(struct hid_device *hid)
1418{
aef4e266
AS		 1419 ++hid->open;
1420 if (hid_start_in(hid))
1421 hid_io_error(hid);
1da177e4
LT		 1422 return 0;
1423}
1424
1425void hid_close(struct hid_device *hid)
1426{
1427 if (!--hid->open)
1428 usb_kill_urb(hid->urbin);
1429}
1430
1d3e2023
DR		 1431#define USB_VENDOR_ID_PANJIT 0x134c
1432
d57cdcff
BC		 1433#define USB_VENDOR_ID_TURBOX 0x062a
1434#define USB_DEVICE_ID_TURBOX_KEYBOARD 0x0201
1435
1da177e4
LT		 1436/*
1437 * Initialize all reports
1438 */
1439
1440void hid_init_reports(struct hid_device *hid)
1441{
1442 struct hid_report *report;
1443 int err, ret;
1444
bf0964dc 1445 list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list)
1da177e4 1446 hid_submit_report(hid, report, USB_DIR_IN);
1da177e4
LT		 1447
1448 list_for_each_entry(report, &hid->report_enum[HID_FEATURE_REPORT].report_list, list)
1449 hid_submit_report(hid, report, USB_DIR_IN);
1450
1451 err = 0;
1452 ret = hid_wait_io(hid);
1453 while (ret) {
1454 err |= ret;
1455 if (test_bit(HID_CTRL_RUNNING, &hid->iofl))
1456 usb_kill_urb(hid->urbctrl);
1457 if (test_bit(HID_OUT_RUNNING, &hid->iofl))
1458 usb_kill_urb(hid->urbout);
1459 ret = hid_wait_io(hid);
1460 }
1461
1462 if (err)
de289fdf 1463 warn("timeout initializing reports");
1da177e4
LT		 1464}
1465
6f8d9e26
JR		 1466#define USB_VENDOR_ID_GTCO 0x078c
1467#define USB_DEVICE_ID_GTCO_90 0x0090
1468#define USB_DEVICE_ID_GTCO_100 0x0100
1469#define USB_DEVICE_ID_GTCO_101 0x0101
1470#define USB_DEVICE_ID_GTCO_103 0x0103
1471#define USB_DEVICE_ID_GTCO_104 0x0104
1472#define USB_DEVICE_ID_GTCO_105 0x0105
1473#define USB_DEVICE_ID_GTCO_106 0x0106
1474#define USB_DEVICE_ID_GTCO_107 0x0107
1475#define USB_DEVICE_ID_GTCO_108 0x0108
1476#define USB_DEVICE_ID_GTCO_200 0x0200
1477#define USB_DEVICE_ID_GTCO_201 0x0201
1478#define USB_DEVICE_ID_GTCO_202 0x0202
1479#define USB_DEVICE_ID_GTCO_203 0x0203
1480#define USB_DEVICE_ID_GTCO_204 0x0204
1481#define USB_DEVICE_ID_GTCO_205 0x0205
1482#define USB_DEVICE_ID_GTCO_206 0x0206
1483#define USB_DEVICE_ID_GTCO_207 0x0207
1484#define USB_DEVICE_ID_GTCO_300 0x0300
1485#define USB_DEVICE_ID_GTCO_301 0x0301
1486#define USB_DEVICE_ID_GTCO_302 0x0302
1487#define USB_DEVICE_ID_GTCO_303 0x0303
1488#define USB_DEVICE_ID_GTCO_304 0x0304
1489#define USB_DEVICE_ID_GTCO_305 0x0305
1490#define USB_DEVICE_ID_GTCO_306 0x0306
1491#define USB_DEVICE_ID_GTCO_307 0x0307
1492#define USB_DEVICE_ID_GTCO_308 0x0308
1493#define USB_DEVICE_ID_GTCO_309 0x0309
1494#define USB_DEVICE_ID_GTCO_400 0x0400
1495#define USB_DEVICE_ID_GTCO_401 0x0401
1496#define USB_DEVICE_ID_GTCO_402 0x0402
1497#define USB_DEVICE_ID_GTCO_403 0x0403
1498#define USB_DEVICE_ID_GTCO_404 0x0404
f0649024 1499#define USB_DEVICE_ID_GTCO_405 0x0405
6f8d9e26
JR		 1500#define USB_DEVICE_ID_GTCO_500 0x0500
1501#define USB_DEVICE_ID_GTCO_501 0x0501
1502#define USB_DEVICE_ID_GTCO_502 0x0502
1503#define USB_DEVICE_ID_GTCO_503 0x0503
1504#define USB_DEVICE_ID_GTCO_504 0x0504
1505#define USB_DEVICE_ID_GTCO_1000 0x1000
1506#define USB_DEVICE_ID_GTCO_1001 0x1001
1507#define USB_DEVICE_ID_GTCO_1002 0x1002
1508#define USB_DEVICE_ID_GTCO_1003 0x1003
1509#define USB_DEVICE_ID_GTCO_1004 0x1004
1510#define USB_DEVICE_ID_GTCO_1005 0x1005
1511#define USB_DEVICE_ID_GTCO_1006 0x1006
1512
1da177e4 1513#define USB_VENDOR_ID_WACOM 0x056a
1da177e4 1514
53880546
SV		 1515#define USB_VENDOR_ID_ACECAD 0x0460
1516#define USB_DEVICE_ID_ACECAD_FLAIR 0x0004
1517#define USB_DEVICE_ID_ACECAD_302 0x0008
1518
1da177e4
LT		 1519#define USB_VENDOR_ID_KBGEAR 0x084e
1520#define USB_DEVICE_ID_KBGEAR_JAMSTUDIO 0x1001
1521
1522#define USB_VENDOR_ID_AIPTEK 0x08ca
1523#define USB_DEVICE_ID_AIPTEK_01 0x0001
1524#define USB_DEVICE_ID_AIPTEK_10 0x0010
1525#define USB_DEVICE_ID_AIPTEK_20 0x0020
1526#define USB_DEVICE_ID_AIPTEK_21 0x0021
1527#define USB_DEVICE_ID_AIPTEK_22 0x0022
1528#define USB_DEVICE_ID_AIPTEK_23 0x0023
1529#define USB_DEVICE_ID_AIPTEK_24 0x0024
1530
1531#define USB_VENDOR_ID_GRIFFIN 0x077d
1532#define USB_DEVICE_ID_POWERMATE 0x0410
1533#define USB_DEVICE_ID_SOUNDKNOB 0x04AA
1534
1535#define USB_VENDOR_ID_ATEN 0x0557
1536#define USB_DEVICE_ID_ATEN_UC100KM 0x2004
1537#define USB_DEVICE_ID_ATEN_CS124U 0x2202
1538#define USB_DEVICE_ID_ATEN_2PORTKVM 0x2204
1539#define USB_DEVICE_ID_ATEN_4PORTKVM 0x2205
1540#define USB_DEVICE_ID_ATEN_4PORTKVMC 0x2208
1541
1542#define USB_VENDOR_ID_TOPMAX 0x0663
1543#define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103
1544
1545#define USB_VENDOR_ID_HAPP 0x078b
1546#define USB_DEVICE_ID_UGCI_DRIVING 0x0010
1547#define USB_DEVICE_ID_UGCI_FLYING 0x0020
1548#define USB_DEVICE_ID_UGCI_FIGHTING 0x0030
1549
1550#define USB_VENDOR_ID_MGE 0x0463
1551#define USB_DEVICE_ID_MGE_UPS 0xffff
1552#define USB_DEVICE_ID_MGE_UPS1 0x0001
1553
1554#define USB_VENDOR_ID_ONTRAK 0x0a07
1555#define USB_DEVICE_ID_ONTRAK_ADU100 0x0064
1556
1da177e4
LT		 1557#define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f
1558#define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
1559
1560#define USB_VENDOR_ID_A4TECH 0x09da
1561#define USB_DEVICE_ID_A4TECH_WCP32PU 0x0006
1562
61cdecd9 1563#define USB_VENDOR_ID_AASHIMA 0x06d6
6345fdfd 1564#define USB_DEVICE_ID_AASHIMA_GAMEPAD 0x0025
61cdecd9 1565#define USB_DEVICE_ID_AASHIMA_PREDATOR 0x0026
6345fdfd 1566
1da177e4
LT		 1567#define USB_VENDOR_ID_CYPRESS 0x04b4
1568#define USB_DEVICE_ID_CYPRESS_MOUSE 0x0001
1569#define USB_DEVICE_ID_CYPRESS_HIDCOM 0x5500
7d25258f 1570#define USB_DEVICE_ID_CYPRESS_ULTRAMOUSE 0x7417
1da177e4
LT		 1571
1572#define USB_VENDOR_ID_BERKSHIRE 0x0c98
1573#define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140
1574
1575#define USB_VENDOR_ID_ALPS 0x0433
1576#define USB_DEVICE_ID_IBM_GAMEPAD 0x1101
1577
1578#define USB_VENDOR_ID_SAITEK 0x06a3
1579#define USB_DEVICE_ID_SAITEK_RUMBLEPAD 0xff17
1580
1581#define USB_VENDOR_ID_NEC 0x073e
1582#define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301
1583
1584#define USB_VENDOR_ID_CHIC 0x05fe
1585#define USB_DEVICE_ID_CHIC_GAMEPAD 0x0014
1586
1587#define USB_VENDOR_ID_GLAB 0x06c2
1588#define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038
1589#define USB_DEVICE_ID_1_PHIDGETSERVO_30 0x0039
1da177e4 1590#define USB_DEVICE_ID_0_0_4_IF_KIT 0x0040
d5176b41
SY		 1591#define USB_DEVICE_ID_0_16_16_IF_KIT 0x0044
1592#define USB_DEVICE_ID_8_8_8_IF_KIT 0x0045
1593#define USB_DEVICE_ID_0_8_7_IF_KIT 0x0051
1da177e4 1594#define USB_DEVICE_ID_0_8_8_IF_KIT 0x0053
d5176b41 1595#define USB_DEVICE_ID_PHIDGET_MOTORCONTROL 0x0058
1da177e4
LT		 1596
1597#define USB_VENDOR_ID_WISEGROUP 0x0925
1598#define USB_DEVICE_ID_1_PHIDGETSERVO_20 0x8101
1599#define USB_DEVICE_ID_4_PHIDGETSERVO_20 0x8104
d5176b41 1600#define USB_DEVICE_ID_8_8_4_IF_KIT 0x8201
e65335ef 1601#define USB_DEVICE_ID_DUAL_USB_JOYPAD 0x8866
1da177e4 1602
b857c651
NG		 1603#define USB_VENDOR_ID_WISEGROUP_LTD 0x6677
1604#define USB_DEVICE_ID_SMARTJOY_DUAL_PLUS 0x8802
1605
1da177e4
LT		 1606#define USB_VENDOR_ID_CODEMERCS 0x07c0
1607#define USB_DEVICE_ID_CODEMERCS_IOW40 0x1500
1608#define USB_DEVICE_ID_CODEMERCS_IOW24 0x1501
1609#define USB_DEVICE_ID_CODEMERCS_IOW48 0x1502
1610#define USB_DEVICE_ID_CODEMERCS_IOW28 0x1503
1611
1612#define USB_VENDOR_ID_DELORME 0x1163
1613#define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100
dc1d1003 1614#define USB_DEVICE_ID_DELORME_EM_LT20 0x0200
1da177e4
LT		 1615
1616#define USB_VENDOR_ID_MCC 0x09db
1617#define USB_DEVICE_ID_MCC_PMD1024LS 0x0076
1618#define USB_DEVICE_ID_MCC_PMD1208LS 0x007a
1619
4871d3be
GKH		 1620#define USB_VENDOR_ID_VERNIER 0x08f7
1621#define USB_DEVICE_ID_VERNIER_LABPRO 0x0001
1622#define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002
1623#define USB_DEVICE_ID_VERNIER_SKIP 0x0003
1624#define USB_DEVICE_ID_VERNIER_CYCLOPS 0x0004
1625
8fd6db47 1626#define USB_VENDOR_ID_LD 0x0f11
ba3e66e9
MH		 1627#define USB_DEVICE_ID_LD_CASSY 0x1000
1628#define USB_DEVICE_ID_LD_POCKETCASSY 0x1010
1629#define USB_DEVICE_ID_LD_MOBILECASSY 0x1020
1630#define USB_DEVICE_ID_LD_JWM 0x1080
1631#define USB_DEVICE_ID_LD_DMMP 0x1081
1632#define USB_DEVICE_ID_LD_UMIP 0x1090
1633#define USB_DEVICE_ID_LD_XRAY1 0x1100
1634#define USB_DEVICE_ID_LD_XRAY2 0x1101
1635#define USB_DEVICE_ID_LD_VIDEOCOM 0x1200
1636#define USB_DEVICE_ID_LD_COM3LAB 0x2000
1637#define USB_DEVICE_ID_LD_TELEPORT 0x2010
1638#define USB_DEVICE_ID_LD_NETWORKANALYSER 0x2020
1639#define USB_DEVICE_ID_LD_POWERCONTROL 0x2030
1640#define USB_DEVICE_ID_LD_MACHINETEST 0x2040
8fd6db47 1641
c58de6d9 1642#define USB_VENDOR_ID_APPLE 0x05ac
a82e49b8 1643#define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304
afd21ee5
JB		 1644#define USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI 0x020e
1645#define USB_DEVICE_ID_APPLE_FOUNTAIN_ISO 0x020f
1646#define USB_DEVICE_ID_APPLE_GEYSER_ANSI 0x0214
1647#define USB_DEVICE_ID_APPLE_GEYSER_ISO 0x0215
1648#define USB_DEVICE_ID_APPLE_GEYSER_JIS 0x0216
1649#define USB_DEVICE_ID_APPLE_GEYSER3_ANSI 0x0217
1650#define USB_DEVICE_ID_APPLE_GEYSER3_ISO 0x0218
1651#define USB_DEVICE_ID_APPLE_GEYSER3_JIS 0x0219
1652#define USB_DEVICE_ID_APPLE_GEYSER4_ANSI 0x021a
1653#define USB_DEVICE_ID_APPLE_GEYSER4_ISO 0x021b
1654#define USB_DEVICE_ID_APPLE_GEYSER4_JIS 0x021c
1655#define USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY 0x030a
1656#define USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY 0x030b
1da177e4 1657
940824b0
VP		 1658#define USB_VENDOR_ID_CHERRY 0x046a
1659#define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023
1660
5cd330f4
HV		 1661#define USB_VENDOR_ID_YEALINK 0x6993
1662#define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K 0xb001
8fd80133
JS		 1663
1664#define USB_VENDOR_ID_ALCOR 0x058f
1665#define USB_DEVICE_ID_ALCOR_USBRS232 0x9720
1666
931e24b9
RB		 1667#define USB_VENDOR_ID_SUN 0x0430
1668#define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab
1669
23b0d968
NMF		 1670#define USB_VENDOR_ID_AIRCABLE 0x16CA
1671#define USB_DEVICE_ID_AIRCABLE1 0x1502
1672
41ad5fba
AH		 1673#define USB_VENDOR_ID_LOGITECH 0x046d
1674#define USB_DEVICE_ID_LOGITECH_USB_RECEIVER 0xc101
1675
1da177e4
LT		 1676/*
1677 * Alphabetically sorted blacklist by quirk type.
1678 */
1679
4c4c9432 1680static const struct hid_blacklist {
1da177e4
LT		 1681 __u16 idVendor;
1682 __u16 idProduct;
1683 unsigned quirks;
1684} hid_blacklist[] = {
1685
1686 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01, HID_QUIRK_IGNORE },
1687 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10, HID_QUIRK_IGNORE },
1688 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20, HID_QUIRK_IGNORE },
1689 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21, HID_QUIRK_IGNORE },
1690 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22, HID_QUIRK_IGNORE },
1691 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23, HID_QUIRK_IGNORE },
1692 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24, HID_QUIRK_IGNORE },
23b0d968 1693 { USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1, HID_QUIRK_IGNORE },
8fd80133 1694 { USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232, HID_QUIRK_IGNORE },
1da177e4
LT		 1695 { USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD, HID_QUIRK_IGNORE },
1696 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW40, HID_QUIRK_IGNORE },
1697 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW24, HID_QUIRK_IGNORE },
1698 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW48, HID_QUIRK_IGNORE },
1699 { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW28, HID_QUIRK_IGNORE },
1700 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM, HID_QUIRK_IGNORE },
7d25258f 1701 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE, HID_QUIRK_IGNORE },
1da177e4 1702 { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE, HID_QUIRK_IGNORE },
dc1d1003 1703 { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20, HID_QUIRK_IGNORE },
1da177e4
LT		 1704 { USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5, HID_QUIRK_IGNORE },
1705 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
1706 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
1da177e4 1707 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT, HID_QUIRK_IGNORE },
d5176b41
SY		 1708 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT, HID_QUIRK_IGNORE },
1709 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT, HID_QUIRK_IGNORE },
1710 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT, HID_QUIRK_IGNORE },
1da177e4 1711 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT, HID_QUIRK_IGNORE },
d5176b41 1712 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL, HID_QUIRK_IGNORE },
1da177e4
LT		 1713 { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE, HID_QUIRK_IGNORE },
1714 { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB, HID_QUIRK_IGNORE },
6f8d9e26
JR		 1715 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90, HID_QUIRK_IGNORE },
1716 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100, HID_QUIRK_IGNORE },
1717 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101, HID_QUIRK_IGNORE },
1718 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103, HID_QUIRK_IGNORE },
1719 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104, HID_QUIRK_IGNORE },
1720 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105, HID_QUIRK_IGNORE },
1721 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106, HID_QUIRK_IGNORE },
1722 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107, HID_QUIRK_IGNORE },
1723 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108, HID_QUIRK_IGNORE },
1724 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200, HID_QUIRK_IGNORE },
1725 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201, HID_QUIRK_IGNORE },
1726 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202, HID_QUIRK_IGNORE },
1727 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203, HID_QUIRK_IGNORE },
1728 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204, HID_QUIRK_IGNORE },
1729 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205, HID_QUIRK_IGNORE },
1730 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206, HID_QUIRK_IGNORE },
1731 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207, HID_QUIRK_IGNORE },
1732 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300, HID_QUIRK_IGNORE },
1733 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301, HID_QUIRK_IGNORE },
1734 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302, HID_QUIRK_IGNORE },
1735 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303, HID_QUIRK_IGNORE },
1736 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304, HID_QUIRK_IGNORE },
1737 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305, HID_QUIRK_IGNORE },
1738 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306, HID_QUIRK_IGNORE },
1739 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307, HID_QUIRK_IGNORE },
1740 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308, HID_QUIRK_IGNORE },
1741 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309, HID_QUIRK_IGNORE },
1742 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400, HID_QUIRK_IGNORE },
1743 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401, HID_QUIRK_IGNORE },
1744 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402, HID_QUIRK_IGNORE },
1745 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403, HID_QUIRK_IGNORE },
1746 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404, HID_QUIRK_IGNORE },
f0649024 1747 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405, HID_QUIRK_IGNORE },
6f8d9e26
JR		 1748 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500, HID_QUIRK_IGNORE },
1749 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501, HID_QUIRK_IGNORE },
1750 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502, HID_QUIRK_IGNORE },
1751 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503, HID_QUIRK_IGNORE },
1752 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504, HID_QUIRK_IGNORE },
1753 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000, HID_QUIRK_IGNORE },
1754 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001, HID_QUIRK_IGNORE },
1755 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002, HID_QUIRK_IGNORE },
1756 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003, HID_QUIRK_IGNORE },
1757 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004, HID_QUIRK_IGNORE },
1758 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005, HID_QUIRK_IGNORE },
1759 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006, HID_QUIRK_IGNORE },
1da177e4 1760 { USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO, HID_QUIRK_IGNORE },
ba3e66e9
MH		 1761 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY, HID_QUIRK_IGNORE },
1762 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY, HID_QUIRK_IGNORE },
1763 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY, HID_QUIRK_IGNORE },
1764 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM, HID_QUIRK_IGNORE },
1765 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP, HID_QUIRK_IGNORE },
1766 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP, HID_QUIRK_IGNORE },
1767 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY1, HID_QUIRK_IGNORE },
1768 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2, HID_QUIRK_IGNORE },
1769 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM, HID_QUIRK_IGNORE },
1770 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB, HID_QUIRK_IGNORE },
1771 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT, HID_QUIRK_IGNORE },
1772 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER, HID_QUIRK_IGNORE },
1773 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL, HID_QUIRK_IGNORE },
1774 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST, HID_QUIRK_IGNORE },
1da177e4
LT		 1775 { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS, HID_QUIRK_IGNORE },
1776 { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS, HID_QUIRK_IGNORE },
1777 { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_IGNORE },
1778 { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1, HID_QUIRK_IGNORE },
1779 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100, HID_QUIRK_IGNORE },
03270634
SH		 1780 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20, HID_QUIRK_IGNORE },
1781 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30, HID_QUIRK_IGNORE },
1da177e4 1782 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100, HID_QUIRK_IGNORE },
03270634
SH		 1783 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108, HID_QUIRK_IGNORE },
1784 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118, HID_QUIRK_IGNORE },
1da177e4
LT		 1785 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200, HID_QUIRK_IGNORE },
1786 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300, HID_QUIRK_IGNORE },
1787 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400, HID_QUIRK_IGNORE },
1788 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500, HID_QUIRK_IGNORE },
4871d3be
GKH		 1789 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO, HID_QUIRK_IGNORE },
1790 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP, HID_QUIRK_IGNORE },
1791 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP, HID_QUIRK_IGNORE },
1792 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS, HID_QUIRK_IGNORE },
1da177e4
LT		 1793 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
1794 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
d5176b41 1795 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT, HID_QUIRK_IGNORE },
5cd330f4 1796 { USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K, HID_QUIRK_IGNORE },
1da177e4 1797
53880546
SV		 1798 { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR, HID_QUIRK_IGNORE },
1799 { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302, HID_QUIRK_IGNORE },
1800
1da177e4
LT		 1801 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
1802 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
1803 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
1804 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
1805 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
931e24b9 1806 { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
e65335ef 1807 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
b857c651 1808 { USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
1da177e4 1809
a82e49b8 1810 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE, HID_QUIRK_MIGHTYMOUSE | HID_QUIRK_INVERT_HWHEEL },
1da177e4
LT		 1811 { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 },
1812 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 },
1813
6345fdfd 1814 { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD },
61cdecd9 1815 { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
1da177e4
LT		 1816 { USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD },
1817 { USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD },
1818 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
1819 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
1820 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
1821 { USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD },
1822 { USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD },
1823 { USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD },
1824
940824b0
VP		 1825 { USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_CYMOTION },
1826
afd21ee5
JB		 1827 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI, HID_QUIRK_POWERBOOK_HAS_FN },
1828 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO, HID_QUIRK_POWERBOOK_HAS_FN },
1829 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI, HID_QUIRK_POWERBOOK_HAS_FN },
1830 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
1831 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS, HID_QUIRK_POWERBOOK_HAS_FN },
1832 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI, HID_QUIRK_POWERBOOK_HAS_FN },
1833 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
1834 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS, HID_QUIRK_POWERBOOK_HAS_FN },
1835 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI, HID_QUIRK_POWERBOOK_HAS_FN },
1836 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO, HID_QUIRK_POWERBOOK_HAS_FN },
1837 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS, HID_QUIRK_POWERBOOK_HAS_FN },
1838 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN },
1839 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN },
eab9edd2 1840
1d3e2023
DR		 1841 { USB_VENDOR_ID_PANJIT, 0x0001, HID_QUIRK_IGNORE },
1842 { USB_VENDOR_ID_PANJIT, 0x0002, HID_QUIRK_IGNORE },
1843 { USB_VENDOR_ID_PANJIT, 0x0003, HID_QUIRK_IGNORE },
1844 { USB_VENDOR_ID_PANJIT, 0x0004, HID_QUIRK_IGNORE },
1845
d57cdcff 1846 { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
41ad5fba
AH		 1847
1848 { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_USB_RECEIVER, HID_QUIRK_BAD_RELATIVE_KEYS },
1849
1da177e4
LT		 1850 { 0, 0 }
1851};
1852
bf0964dc
MH		 1853/*
1854 * Traverse the supplied list of reports and find the longest
1855 */
1856static void hid_find_max_report(struct hid_device *hid, unsigned int type, int *max)
1857{
1858 struct hid_report *report;
1859 int size;
1860
1861 list_for_each_entry(report, &hid->report_enum[type].report_list, list) {
1862 size = ((report->size - 1) >> 3) + 1;
1863 if (type == HID_INPUT_REPORT && hid->report_enum[type].numbered)
1864 size++;
1865 if (*max < size)
1866 *max = size;
1867 }
1868}
1869
1da177e4
LT		 1870static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid)
1871{
54e6ecb2 1872 if (!(hid->inbuf = usb_buffer_alloc(dev, hid->bufsize, GFP_ATOMIC, &hid->inbuf_dma)))
1da177e4 1873 return -1;
54e6ecb2 1874 if (!(hid->outbuf = usb_buffer_alloc(dev, hid->bufsize, GFP_ATOMIC, &hid->outbuf_dma)))
1da177e4 1875 return -1;
54e6ecb2 1876 if (!(hid->cr = usb_buffer_alloc(dev, sizeof(*(hid->cr)), GFP_ATOMIC, &hid->cr_dma)))
1da177e4 1877 return -1;
54e6ecb2 1878 if (!(hid->ctrlbuf = usb_buffer_alloc(dev, hid->bufsize, GFP_ATOMIC, &hid->ctrlbuf_dma)))
1da177e4
LT		 1879 return -1;
1880
1881 return 0;
1882}
1883
1884static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid)
1885{
1886 if (hid->inbuf)
bf0964dc 1887 usb_buffer_free(dev, hid->bufsize, hid->inbuf, hid->inbuf_dma);
1da177e4 1888 if (hid->outbuf)
bf0964dc 1889 usb_buffer_free(dev, hid->bufsize, hid->outbuf, hid->outbuf_dma);
1da177e4
LT		 1890 if (hid->cr)
1891 usb_buffer_free(dev, sizeof(*(hid->cr)), hid->cr, hid->cr_dma);
1892 if (hid->ctrlbuf)
bf0964dc 1893 usb_buffer_free(dev, hid->bufsize, hid->ctrlbuf, hid->ctrlbuf_dma);
1da177e4
LT		 1894}
1895
940824b0
VP		 1896/*
1897 * Cherry Cymotion keyboard have an invalid HID report descriptor,
1898 * that needs fixing before we can parse it.
1899 */
1900
1901static void hid_fixup_cymotion_descriptor(char *rdesc, int rsize)
1902{
1903 if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) {
1904 info("Fixing up Cherry Cymotion report descriptor");
1905 rdesc[11] = rdesc[16] = 0xff;
1906 rdesc[12] = rdesc[17] = 0x03;
1907 }
1908}
1909
1da177e4
LT		 1910static struct hid_device *usb_hid_configure(struct usb_interface *intf)
1911{
1912 struct usb_host_interface *interface = intf->cur_altsetting;
1913 struct usb_device *dev = interface_to_usbdev (intf);
1914 struct hid_descriptor *hdesc;
1915 struct hid_device *hid;
1916 unsigned quirks = 0, rsize = 0;
c5b7c7c3
DT		 1917 char *rdesc;
1918 int n, len, insize = 0;
1da177e4 1919
ea186651 1920 /* Ignore all Wacom devices */
c03efdb2 1921 if (le16_to_cpu(dev->descriptor.idVendor) == USB_VENDOR_ID_WACOM)
ea186651
PC		 1922 return NULL;
1923
1da177e4
LT		 1924 for (n = 0; hid_blacklist[n].idVendor; n++)
1925 if ((hid_blacklist[n].idVendor == le16_to_cpu(dev->descriptor.idVendor)) &&
1926 (hid_blacklist[n].idProduct == le16_to_cpu(dev->descriptor.idProduct)))
1927 quirks = hid_blacklist[n].quirks;
1928
0f28b55d
AS		 1929 /* Many keyboards and mice don't like to be polled for reports,
1930 * so we will always set the HID_QUIRK_NOGET flag for them. */
1931 if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT) {
1932 if (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_KEYBOARD ||
1933 interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE)
1934 quirks |= HID_QUIRK_NOGET;
1935 }
1936
1da177e4
LT		 1937 if (quirks & HID_QUIRK_IGNORE)
1938 return NULL;
1939
c5b7c7c3
DT		 1940 if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) &&
1941 (!interface->desc.bNumEndpoints ||
1942 usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) {
1943 dbg("class descriptor not present\n");
1944 return NULL;
1da177e4
LT		 1945 }
1946
1947 for (n = 0; n < hdesc->bNumDescriptors; n++)
1948 if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT)
1949 rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength);
1950
1951 if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) {
1952 dbg("weird size of report descriptor (%u)", rsize);
1953 return NULL;
1954 }
1955
1956 if (!(rdesc = kmalloc(rsize, GFP_KERNEL))) {
1957 dbg("couldn't allocate rdesc memory");
1958 return NULL;
1959 }
1960
854561b0
VP		 1961 hid_set_idle(dev, interface->desc.bInterfaceNumber, 0, 0);
1962
1da177e4
LT		 1963 if ((n = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber, HID_DT_REPORT, rdesc, rsize)) < 0) {
1964 dbg("reading report descriptor failed");
1965 kfree(rdesc);
1966 return NULL;
1967 }
1968
940824b0
VP		 1969 if ((quirks & HID_QUIRK_CYMOTION))
1970 hid_fixup_cymotion_descriptor(rdesc, rsize);
1971
1da177e4
LT		 1972#ifdef DEBUG_DATA
1973 printk(KERN_DEBUG __FILE__ ": report descriptor (size %u, read %d) = ", rsize, n);
1974 for (n = 0; n < rsize; n++)
1975 printk(" %02x", (unsigned char) rdesc[n]);
1976 printk("\n");
1977#endif
1978
1979 if (!(hid = hid_parse_report(rdesc, n))) {
1980 dbg("parsing report descriptor failed");
1981 kfree(rdesc);
1982 return NULL;
1983 }
1984
1985 kfree(rdesc);
1986 hid->quirks = quirks;
1987
bf0964dc
MH		 1988 hid->bufsize = HID_MIN_BUFFER_SIZE;
1989 hid_find_max_report(hid, HID_INPUT_REPORT, &hid->bufsize);
1990 hid_find_max_report(hid, HID_OUTPUT_REPORT, &hid->bufsize);
1991 hid_find_max_report(hid, HID_FEATURE_REPORT, &hid->bufsize);
1992
1993 if (hid->bufsize > HID_MAX_BUFFER_SIZE)
1994 hid->bufsize = HID_MAX_BUFFER_SIZE;
1995
1996 hid_find_max_report(hid, HID_INPUT_REPORT, &insize);
1997
1998 if (insize > HID_MAX_BUFFER_SIZE)
1999 insize = HID_MAX_BUFFER_SIZE;
2000
1da177e4
LT		 2001 if (hid_alloc_buffers(dev, hid)) {
2002 hid_free_buffers(dev, hid);
2003 goto fail;
2004 }
2005
2006 for (n = 0; n < interface->desc.bNumEndpoints; n++) {
2007
2008 struct usb_endpoint_descriptor *endpoint;
2009 int pipe;
2010 int interval;
2011
2012 endpoint = &interface->endpoint[n].desc;
2013 if ((endpoint->bmAttributes & 3) != 3) /* Not an interrupt endpoint */
2014 continue;
2015
1da177e4 2016 interval = endpoint->bInterval;
1da177e4
LT		 2017
2018 /* Change the polling interval of mice. */
2019 if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0)
2020 interval = hid_mousepoll_interval;
05f091ab 2021
0f12aa03 2022 if (usb_endpoint_dir_in(endpoint)) {
1da177e4
LT		 2023 if (hid->urbin)
2024 continue;
2025 if (!(hid->urbin = usb_alloc_urb(0, GFP_KERNEL)))
2026 goto fail;
2027 pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
bf0964dc 2028 usb_fill_int_urb(hid->urbin, dev, pipe, hid->inbuf, insize,
1da177e4
LT		 2029 hid_irq_in, hid, interval);
2030 hid->urbin->transfer_dma = hid->inbuf_dma;
b375a049 2031 hid->urbin->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1da177e4
LT		 2032 } else {
2033 if (hid->urbout)
2034 continue;
2035 if (!(hid->urbout = usb_alloc_urb(0, GFP_KERNEL)))
2036 goto fail;
2037 pipe = usb_sndintpipe(dev, endpoint->bEndpointAddress);
2038 usb_fill_int_urb(hid->urbout, dev, pipe, hid->outbuf, 0,
2039 hid_irq_out, hid, interval);
2040 hid->urbout->transfer_dma = hid->outbuf_dma;
b375a049 2041 hid->urbout->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1da177e4
LT		 2042 }
2043 }
2044
2045 if (!hid->urbin) {
2046 err("couldn't find an input interrupt endpoint");
2047 goto fail;
2048 }
2049
2050 init_waitqueue_head(&hid->wait);
2051
c4028958 2052 INIT_WORK(&hid->reset_work, hid_reset);
aef4e266
AS		 2053 setup_timer(&hid->io_retry, hid_retry_timeout, (unsigned long) hid);
2054
2055 spin_lock_init(&hid->inlock);
1da177e4
LT		 2056 spin_lock_init(&hid->outlock);
2057 spin_lock_init(&hid->ctrllock);
2058
2059 hid->version = le16_to_cpu(hdesc->bcdHID);
2060 hid->country = hdesc->bCountryCode;
2061 hid->dev = dev;
2062 hid->intf = intf;
2063 hid->ifnum = interface->desc.bInterfaceNumber;
2064
2065 hid->name[0] = 0;
2066
c5b7c7c3
DT		 2067 if (dev->manufacturer)
2068 strlcpy(hid->name, dev->manufacturer, sizeof(hid->name));
2069
2070 if (dev->product) {
2071 if (dev->manufacturer)
2072 strlcat(hid->name, " ", sizeof(hid->name));
2073 strlcat(hid->name, dev->product, sizeof(hid->name));
2074 }
2075
2076 if (!strlen(hid->name))
2077 snprintf(hid->name, sizeof(hid->name), "HID %04x:%04x",
2078 le16_to_cpu(dev->descriptor.idVendor),
2079 le16_to_cpu(dev->descriptor.idProduct));
1da177e4 2080
c5b7c7c3
DT		 2081 usb_make_path(dev, hid->phys, sizeof(hid->phys));
2082 strlcat(hid->phys, "/input", sizeof(hid->phys));
2083 len = strlen(hid->phys);
2084 if (len < sizeof(hid->phys) - 1)
2085 snprintf(hid->phys + len, sizeof(hid->phys) - len,
2086 "%d", intf->altsetting[0].desc.bInterfaceNumber);
1da177e4
LT		 2087
2088 if (usb_string(dev, dev->descriptor.iSerialNumber, hid->uniq, 64) <= 0)
2089 hid->uniq[0] = 0;
2090
1da177e4
LT		 2091 hid->urbctrl = usb_alloc_urb(0, GFP_KERNEL);
2092 if (!hid->urbctrl)
2093 goto fail;
c5b7c7c3 2094
1da177e4
LT		 2095 usb_fill_control_urb(hid->urbctrl, dev, 0, (void *) hid->cr,
2096 hid->ctrlbuf, 1, hid_ctrl, hid);
2097 hid->urbctrl->setup_dma = hid->cr_dma;
2098 hid->urbctrl->transfer_dma = hid->ctrlbuf_dma;
b375a049 2099 hid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP);
1da177e4
LT		 2100
2101 return hid;
2102
2103fail:
6f07429f
MK		 2104 usb_free_urb(hid->urbin);
2105 usb_free_urb(hid->urbout);
2106 usb_free_urb(hid->urbctrl);
1da177e4
LT		 2107 hid_free_buffers(dev, hid);
2108 hid_free_device(hid);
2109
2110 return NULL;
2111}
2112
2113static void hid_disconnect(struct usb_interface *intf)
2114{
2115 struct hid_device *hid = usb_get_intfdata (intf);
2116
2117 if (!hid)
2118 return;
2119
aef4e266 2120 spin_lock_irq(&hid->inlock); /* Sync with error handler */
1da177e4 2121 usb_set_intfdata(intf, NULL);
aef4e266 2122 spin_unlock_irq(&hid->inlock);
1da177e4
LT		 2123 usb_kill_urb(hid->urbin);
2124 usb_kill_urb(hid->urbout);
2125 usb_kill_urb(hid->urbctrl);
2126
aef4e266
AS		 2127 del_timer_sync(&hid->io_retry);
2128 flush_scheduled_work();
2129
1da177e4
LT		 2130 if (hid->claimed & HID_CLAIMED_INPUT)
2131 hidinput_disconnect(hid);
2132 if (hid->claimed & HID_CLAIMED_HIDDEV)
2133 hiddev_disconnect(hid);
2134
2135 usb_free_urb(hid->urbin);
2136 usb_free_urb(hid->urbctrl);
6f07429f 2137 usb_free_urb(hid->urbout);
1da177e4
LT		 2138
2139 hid_free_buffers(hid->dev, hid);
2140 hid_free_device(hid);
2141}
2142
2143static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id)
2144{
2145 struct hid_device *hid;
2146 char path[64];
2147 int i;
2148 char *c;
2149
2150 dbg("HID probe called for ifnum %d",
2151 intf->altsetting->desc.bInterfaceNumber);
2152
2153 if (!(hid = usb_hid_configure(intf)))
479f6ea8 2154 return -ENODEV;
1da177e4
LT		 2155
2156 hid_init_reports(hid);
2157 hid_dump_device(hid);
2158
2159 if (!hidinput_connect(hid))
2160 hid->claimed |= HID_CLAIMED_INPUT;
2161 if (!hiddev_connect(hid))
2162 hid->claimed |= HID_CLAIMED_HIDDEV;
2163
2164 usb_set_intfdata(intf, hid);
2165
2166 if (!hid->claimed) {
2167 printk ("HID device not claimed by input or hiddev\n");
2168 hid_disconnect(intf);
479f6ea8 2169 return -ENODEV;
1da177e4
LT		 2170 }
2171
2172 printk(KERN_INFO);
2173
2174 if (hid->claimed & HID_CLAIMED_INPUT)
2175 printk("input");
2176 if (hid->claimed == (HID_CLAIMED_INPUT | HID_CLAIMED_HIDDEV))
2177 printk(",");
2178 if (hid->claimed & HID_CLAIMED_HIDDEV)
2179 printk("hiddev%d", hid->minor);
2180
2181 c = "Device";
2182 for (i = 0; i < hid->maxcollection; i++) {
2183 if (hid->collection[i].type == HID_COLLECTION_APPLICATION &&
2184 (hid->collection[i].usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
2185 (hid->collection[i].usage & 0xffff) < ARRAY_SIZE(hid_types)) {
2186 c = hid_types[hid->collection[i].usage & 0xffff];
2187 break;
2188 }
2189 }
2190
2191 usb_make_path(interface_to_usbdev(intf), path, 63);
2192
2193 printk(": USB HID v%x.%02x %s [%s] on %s\n",
2194 hid->version >> 8, hid->version & 0xff, c, hid->name, path);
2195
2196 return 0;
2197}
2198
27d72e85 2199static int hid_suspend(struct usb_interface *intf, pm_message_t message)
1da177e4
LT		 2200{
2201 struct hid_device *hid = usb_get_intfdata (intf);
2202
aef4e266
AS		 2203 spin_lock_irq(&hid->inlock); /* Sync with error handler */
2204 set_bit(HID_SUSPENDED, &hid->iofl);
2205 spin_unlock_irq(&hid->inlock);
2206 del_timer(&hid->io_retry);
1da177e4 2207 usb_kill_urb(hid->urbin);
1da177e4
LT		 2208 dev_dbg(&intf->dev, "suspend\n");
2209 return 0;
2210}
2211
2212static int hid_resume(struct usb_interface *intf)
2213{
2214 struct hid_device *hid = usb_get_intfdata (intf);
2215 int status;
2216
aef4e266 2217 clear_bit(HID_SUSPENDED, &hid->iofl);
df9a1f48 2218 hid->retry_delay = 0;
aef4e266 2219 status = hid_start_in(hid);
1da177e4
LT		 2220 dev_dbg(&intf->dev, "resume status %d\n", status);
2221 return status;
2222}
2223
df9a1f48
AS		 2224/* Treat USB reset pretty much the same as suspend/resume */
2225static void hid_pre_reset(struct usb_interface *intf)
2226{
2227 /* FIXME: What if the interface is already suspended? */
2228 hid_suspend(intf, PMSG_ON);
2229}
2230
2231static void hid_post_reset(struct usb_interface *intf)
2232{
2233 struct usb_device *dev = interface_to_usbdev (intf);
2234
2235 hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0);
2236 /* FIXME: Any more reinitialization needed? */
2237
2238 hid_resume(intf);
2239}
2240
1da177e4
LT		 2241static struct usb_device_id hid_usb_ids [] = {
2242 { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS,
2243 .bInterfaceClass = USB_INTERFACE_CLASS_HID },
2244 { } /* Terminating entry */
2245};
2246
2247MODULE_DEVICE_TABLE (usb, hid_usb_ids);
2248
2249static struct usb_driver hid_driver = {
1da177e4
LT		 2250 .name = "usbhid",
2251 .probe = hid_probe,
2252 .disconnect = hid_disconnect,
2253 .suspend = hid_suspend,
2254 .resume = hid_resume,
df9a1f48
AS		 2255 .pre_reset = hid_pre_reset,
2256 .post_reset = hid_post_reset,
1da177e4
LT		 2257 .id_table = hid_usb_ids,
2258};
2259
2260static int __init hid_init(void)
2261{
2262 int retval;
2263 retval = hiddev_init();
2264 if (retval)
2265 goto hiddev_init_fail;
2266 retval = usb_register(&hid_driver);
2267 if (retval)
2268 goto usb_register_fail;
2269 info(DRIVER_VERSION ":" DRIVER_DESC);
2270
2271 return 0;
2272usb_register_fail:
2273 hiddev_exit();
2274hiddev_init_fail:
2275 return retval;
2276}
2277
2278static void __exit hid_exit(void)
2279{
2280 usb_deregister(&hid_driver);
2281 hiddev_exit();
2282}
2283
2284module_init(hid_init);
2285module_exit(hid_exit);
2286
2287MODULE_AUTHOR(DRIVER_AUTHOR);
2288MODULE_DESCRIPTION(DRIVER_DESC);
2289MODULE_LICENSE(DRIVER_LICENSE);
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