2 * USB HID support for Linux
4 * Copyright (c) 1999 Andreas Gal
5 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
6 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
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)
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>
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>
33 #include <linux/usb.h>
36 #include <linux/hiddev.h>
42 #define DRIVER_VERSION "v2.6"
43 #define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik"
44 #define DRIVER_DESC "USB HID core driver"
45 #define DRIVER_LICENSE "GPL"
47 static char *hid_types
[] = {"Device", "Pointer", "Mouse", "Device", "Joystick",
48 "Gamepad", "Keyboard", "Keypad", "Multi-Axis Controller"};
53 static unsigned int hid_mousepoll_interval
;
54 module_param_named(mousepoll
, hid_mousepoll_interval
, uint
, 0644);
55 MODULE_PARM_DESC(mousepoll
, "Polling interval of mice");
58 * Register a new report for a device.
61 static struct hid_report
*hid_register_report(struct hid_device
*device
, unsigned type
, unsigned id
)
63 struct hid_report_enum
*report_enum
= device
->report_enum
+ type
;
64 struct hid_report
*report
;
66 if (report_enum
->report_id_hash
[id
])
67 return report_enum
->report_id_hash
[id
];
69 if (!(report
= kzalloc(sizeof(struct hid_report
), GFP_KERNEL
)))
73 report_enum
->numbered
= 1;
78 report
->device
= device
;
79 report_enum
->report_id_hash
[id
] = report
;
81 list_add_tail(&report
->list
, &report_enum
->report_list
);
87 * Register a new field for this report.
90 static struct hid_field
*hid_register_field(struct hid_report
*report
, unsigned usages
, unsigned values
)
92 struct hid_field
*field
;
94 if (report
->maxfield
== HID_MAX_FIELDS
) {
95 dbg("too many fields in report");
99 if (!(field
= kzalloc(sizeof(struct hid_field
) + usages
* sizeof(struct hid_usage
)
100 + values
* sizeof(unsigned), GFP_KERNEL
))) return NULL
;
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
;
112 * Open a collection. The type/usage is pushed on the stack.
115 static int open_collection(struct hid_parser
*parser
, unsigned type
)
117 struct hid_collection
*collection
;
120 usage
= parser
->local
.usage
[0];
122 if (parser
->collection_stack_ptr
== HID_COLLECTION_STACK_SIZE
) {
123 dbg("collection stack overflow");
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");
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;
145 parser
->collection_stack
[parser
->collection_stack_ptr
++] =
146 parser
->device
->maxcollection
;
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;
154 if (type
== HID_COLLECTION_APPLICATION
)
155 parser
->device
->maxapplication
++;
161 * Close a collection.
164 static int close_collection(struct hid_parser
*parser
)
166 if (!parser
->collection_stack_ptr
) {
167 dbg("collection stack underflow");
170 parser
->collection_stack_ptr
--;
175 * Climb up the stack, search for the specified collection type
176 * and return the usage.
179 static unsigned hid_lookup_collection(struct hid_parser
*parser
, unsigned type
)
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 */
189 * Add a usage to the temporary parser table.
192 static int hid_add_usage(struct hid_parser
*parser
, unsigned usage
)
194 if (parser
->local
.usage_index
>= HID_MAX_USAGES
) {
195 dbg("usage index exceeded");
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
++;
207 * Register a new field for this report.
210 static int hid_add_field(struct hid_parser
*parser
, unsigned report_type
, unsigned flags
)
212 struct hid_report
*report
;
213 struct hid_field
*field
;
218 if (!(report
= hid_register_report(parser
->device
, report_type
, parser
->global
.report_id
))) {
219 dbg("hid_register_report failed");
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
);
228 offset
= report
->size
;
229 report
->size
+= parser
->global
.report_size
* parser
->global
.report_count
;
231 if (!parser
->local
.usage_index
) /* Ignore padding fields */
234 usages
= max_t(int, parser
->local
.usage_index
, parser
->global
.report_count
);
236 if ((field
= hid_register_field(report
, usages
, parser
->global
.report_count
)) == NULL
)
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
);
243 for (i
= 0; i
< usages
; 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
];
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
;
270 * Read data value from item.
273 static u32
item_udata(struct hid_item
*item
)
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
;
283 static s32
item_sdata(struct hid_item
*item
)
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
;
294 * Process a global item.
297 static int hid_parser_global(struct hid_parser
*parser
, struct hid_item
*item
)
301 case HID_GLOBAL_ITEM_TAG_PUSH
:
303 if (parser
->global_stack_ptr
== HID_GLOBAL_STACK_SIZE
) {
304 dbg("global enviroment stack overflow");
308 memcpy(parser
->global_stack
+ parser
->global_stack_ptr
++,
309 &parser
->global
, sizeof(struct hid_global
));
312 case HID_GLOBAL_ITEM_TAG_POP
:
314 if (!parser
->global_stack_ptr
) {
315 dbg("global enviroment stack underflow");
319 memcpy(&parser
->global
, parser
->global_stack
+ --parser
->global_stack_ptr
,
320 sizeof(struct hid_global
));
323 case HID_GLOBAL_ITEM_TAG_USAGE_PAGE
:
324 parser
->global
.usage_page
= item_udata(item
);
327 case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM
:
328 parser
->global
.logical_minimum
= item_sdata(item
);
331 case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM
:
332 if (parser
->global
.logical_minimum
< 0)
333 parser
->global
.logical_maximum
= item_sdata(item
);
335 parser
->global
.logical_maximum
= item_udata(item
);
338 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM
:
339 parser
->global
.physical_minimum
= item_sdata(item
);
342 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM
:
343 if (parser
->global
.physical_minimum
< 0)
344 parser
->global
.physical_maximum
= item_sdata(item
);
346 parser
->global
.physical_maximum
= item_udata(item
);
349 case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT
:
350 parser
->global
.unit_exponent
= item_sdata(item
);
353 case HID_GLOBAL_ITEM_TAG_UNIT
:
354 parser
->global
.unit
= item_udata(item
);
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
);
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
);
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");
379 dbg("unknown global tag 0x%x", item
->tag
);
385 * Process a local item.
388 static int hid_parser_local(struct hid_parser
*parser
, struct hid_item
*item
)
393 if (item
->size
== 0) {
394 dbg("item data expected for local item");
398 data
= item_udata(item
);
402 case HID_LOCAL_ITEM_TAG_DELIMITER
:
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.
411 if (parser
->local
.delimiter_depth
!= 0) {
412 dbg("nested delimiters");
415 parser
->local
.delimiter_depth
++;
416 parser
->local
.delimiter_branch
++;
418 if (parser
->local
.delimiter_depth
< 1) {
419 dbg("bogus close delimiter");
422 parser
->local
.delimiter_depth
--;
426 case HID_LOCAL_ITEM_TAG_USAGE
:
428 if (parser
->local
.delimiter_branch
> 1) {
429 dbg("alternative usage ignored");
434 data
= (parser
->global
.usage_page
<< 16) + data
;
436 return hid_add_usage(parser
, data
);
438 case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM
:
440 if (parser
->local
.delimiter_branch
> 1) {
441 dbg("alternative usage ignored");
446 data
= (parser
->global
.usage_page
<< 16) + data
;
448 parser
->local
.usage_minimum
= data
;
451 case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM
:
453 if (parser
->local
.delimiter_branch
> 1) {
454 dbg("alternative usage ignored");
459 data
= (parser
->global
.usage_page
<< 16) + data
;
461 for (n
= parser
->local
.usage_minimum
; n
<= data
; n
++)
462 if (hid_add_usage(parser
, n
)) {
463 dbg("hid_add_usage failed\n");
470 dbg("unknown local item tag 0x%x", item
->tag
);
477 * Process a main item.
480 static int hid_parser_main(struct hid_parser
*parser
, struct hid_item
*item
)
485 data
= item_udata(item
);
488 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION
:
489 ret
= open_collection(parser
, data
& 0xff);
491 case HID_MAIN_ITEM_TAG_END_COLLECTION
:
492 ret
= close_collection(parser
);
494 case HID_MAIN_ITEM_TAG_INPUT
:
495 ret
= hid_add_field(parser
, HID_INPUT_REPORT
, data
);
497 case HID_MAIN_ITEM_TAG_OUTPUT
:
498 ret
= hid_add_field(parser
, HID_OUTPUT_REPORT
, data
);
500 case HID_MAIN_ITEM_TAG_FEATURE
:
501 ret
= hid_add_field(parser
, HID_FEATURE_REPORT
, data
);
504 dbg("unknown main item tag 0x%x", item
->tag
);
508 memset(&parser
->local
, 0, sizeof(parser
->local
)); /* Reset the local parser environment */
514 * Process a reserved item.
517 static int hid_parser_reserved(struct hid_parser
*parser
, struct hid_item
*item
)
519 dbg("reserved item type, tag 0x%x", item
->tag
);
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.
529 static void hid_free_report(struct hid_report
*report
)
533 for (n
= 0; n
< report
->maxfield
; n
++)
534 kfree(report
->field
[n
]);
539 * Free a device structure, all reports, and all fields.
542 static void hid_free_device(struct hid_device
*device
)
546 for (i
= 0; i
< HID_REPORT_TYPES
; i
++) {
547 struct hid_report_enum
*report_enum
= device
->report_enum
+ i
;
549 for (j
= 0; j
< 256; j
++) {
550 struct hid_report
*report
= report_enum
->report_id_hash
[j
];
552 hid_free_report(report
);
556 kfree(device
->rdesc
);
561 * Fetch a report description item from the data stream. We support long
562 * items, though they are not used yet.
565 static u8
*fetch_item(__u8
*start
, __u8
*end
, struct hid_item
*item
)
569 if ((end
- start
) <= 0)
574 item
->type
= (b
>> 2) & 3;
575 item
->tag
= (b
>> 4) & 15;
577 if (item
->tag
== HID_ITEM_TAG_LONG
) {
579 item
->format
= HID_ITEM_FORMAT_LONG
;
581 if ((end
- start
) < 2)
584 item
->size
= *start
++;
585 item
->tag
= *start
++;
587 if ((end
- start
) < item
->size
)
590 item
->data
.longdata
= start
;
595 item
->format
= HID_ITEM_FORMAT_SHORT
;
598 switch (item
->size
) {
604 if ((end
- start
) < 1)
606 item
->data
.u8
= *start
++;
610 if ((end
- start
) < 2)
612 item
->data
.u16
= le16_to_cpu(get_unaligned((__le16
*)start
));
613 start
= (__u8
*)((__le16
*)start
+ 1);
618 if ((end
- start
) < 4)
620 item
->data
.u32
= le32_to_cpu(get_unaligned((__le32
*)start
));
621 start
= (__u8
*)((__le32
*)start
+ 1);
629 * Parse a report description into a hid_device structure. Reports are
630 * enumerated, fields are attached to these reports.
633 static struct hid_device
*hid_parse_report(__u8
*start
, unsigned size
)
635 struct hid_device
*device
;
636 struct hid_parser
*parser
;
637 struct hid_item item
;
640 static int (*dispatch_type
[])(struct hid_parser
*parser
,
641 struct hid_item
*item
) = {
648 if (!(device
= kzalloc(sizeof(struct hid_device
), GFP_KERNEL
)))
651 if (!(device
->collection
= kzalloc(sizeof(struct hid_collection
) *
652 HID_DEFAULT_NUM_COLLECTIONS
, GFP_KERNEL
))) {
656 device
->collection_size
= HID_DEFAULT_NUM_COLLECTIONS
;
658 for (i
= 0; i
< HID_REPORT_TYPES
; i
++)
659 INIT_LIST_HEAD(&device
->report_enum
[i
].report_list
);
661 if (!(device
->rdesc
= (__u8
*)kmalloc(size
, GFP_KERNEL
))) {
662 kfree(device
->collection
);
666 memcpy(device
->rdesc
, start
, size
);
667 device
->rsize
= size
;
669 if (!(parser
= kzalloc(sizeof(struct hid_parser
), GFP_KERNEL
))) {
670 kfree(device
->rdesc
);
671 kfree(device
->collection
);
675 parser
->device
= device
;
678 while ((start
= fetch_item(start
, end
, &item
)) != NULL
) {
680 if (item
.format
!= HID_ITEM_FORMAT_SHORT
) {
681 dbg("unexpected long global item");
682 kfree(device
->collection
);
683 hid_free_device(device
);
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
);
698 if (parser
->collection_stack_ptr
) {
699 dbg("unbalanced collection at end of report description");
700 kfree(device
->collection
);
701 hid_free_device(device
);
705 if (parser
->local
.delimiter_depth
) {
706 dbg("unbalanced delimiter at end of report description");
707 kfree(device
->collection
);
708 hid_free_device(device
);
717 dbg("item fetching failed at offset %d\n", (int)(end
- start
));
718 kfree(device
->collection
);
719 hid_free_device(device
);
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
730 static s32
snto32(__u32 value
, unsigned n
)
733 case 8: return ((__s8
)value
);
734 case 16: return ((__s16
)value
);
735 case 32: return ((__s32
)value
);
737 return value
& (1 << (n
- 1)) ? value
| (-1 << n
) : value
;
741 * Convert a signed 32-bit integer to a signed n-bit integer.
744 static u32
s32ton(__s32 value
, unsigned n
)
746 s32 a
= value
>> (n
- 1);
748 return value
< 0 ? 1 << (n
- 1) : (1 << (n
- 1)) - 1;
749 return value
& ((1 << n
) - 1);
753 * Extract/implement a data field from/to a little endian report (bit array).
755 * Code sort-of follows HID spec:
756 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf
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".
764 static __inline__ __u32
extract(__u8
*report
, unsigned offset
, unsigned n
)
770 report
+= offset
>> 3; /* adjust byte index */
771 offset
&= 7; /* now only need bit offset into one byte */
772 x
= get_unaligned((u64
*) report
);
774 x
= (x
>> offset
) & ((1ULL << n
) - 1); /* extract bit field */
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.
786 static __inline__
void implement(__u8
*report
, unsigned offset
, unsigned n
, __u32 value
)
789 u64 m
= (1ULL << n
) - 1;
796 report
+= offset
>> 3;
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
);
806 * Search an array for a value.
809 static __inline__
int search(__s32
*array
, __s32 value
, unsigned n
)
812 if (*array
++ == value
)
818 static void hid_process_event(struct hid_device
*hid
, struct hid_field
*field
, struct hid_usage
*usage
, __s32 value
, int interrupt
)
820 hid_dump_input(usage
, value
);
821 if (hid
->claimed
& HID_CLAIMED_INPUT
)
822 hidinput_hid_event(hid
, field
, usage
, value
);
823 if (hid
->claimed
& HID_CLAIMED_HIDDEV
&& interrupt
)
824 hiddev_hid_event(hid
, field
, usage
, value
);
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).
833 static void hid_input_field(struct hid_device
*hid
, struct hid_field
*field
, __u8
*data
, int interrupt
)
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
;
843 if (!(value
= kmalloc(sizeof(__s32
) * count
, GFP_ATOMIC
)))
846 for (n
= 0; n
< count
; n
++) {
848 value
[n
] = min
< 0 ? snto32(extract(data
, offset
+ n
* size
, size
), size
) :
849 extract(data
, offset
+ n
* size
, size
);
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)
857 for (n
= 0; n
< count
; n
++) {
859 if (HID_MAIN_ITEM_VARIABLE
& field
->flags
) {
860 hid_process_event(hid
, field
, &field
->usage
[n
], value
[n
], interrupt
);
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
))
867 hid_process_event(hid
, field
, &field
->usage
[field
->value
[n
] - min
], 0, interrupt
);
869 if (value
[n
] >= min
&& value
[n
] <= max
870 && field
->usage
[value
[n
] - min
].hid
871 && search(field
->value
, value
[n
], count
))
872 hid_process_event(hid
, field
, &field
->usage
[value
[n
] - min
], 1, interrupt
);
875 memcpy(field
->value
, value
, count
* sizeof(__s32
));
880 static int hid_input_report(int type
, struct urb
*urb
, int interrupt
)
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
;
895 printk(KERN_DEBUG __FILE__
": report (size %u) (%snumbered)\n", len
, report_enum
->numbered
? "" : "un");
898 n
= 0; /* Normally report number is 0 */
899 if (report_enum
->numbered
) { /* Device uses numbered reports, data[0] is report number */
907 printk(KERN_DEBUG __FILE__
": report %d (size %u) = ", n
, len
);
908 for (i
= 0; i
< len
; i
++)
909 printk(" %02x", data
[i
]);
914 if (!(report
= report_enum
->report_id_hash
[n
])) {
915 dbg("undefined report_id %d received", n
);
919 size
= ((report
->size
- 1) >> 3) + 1;
922 dbg("report %d is too short, (%d < %d)", report
->id
, len
, size
);
923 memset(data
+ len
, 0, size
- len
);
926 if (hid
->claimed
& HID_CLAIMED_HIDDEV
)
927 hiddev_report_event(hid
, report
);
929 for (n
= 0; n
< report
->maxfield
; n
++)
930 hid_input_field(hid
, report
->field
[n
], data
, interrupt
);
932 if (hid
->claimed
& HID_CLAIMED_INPUT
)
933 hidinput_report_event(hid
, report
);
939 * Input submission and I/O error handler.
942 static void hid_io_error(struct hid_device
*hid
);
944 /* Start up the input URB */
945 static int hid_start_in(struct hid_device
*hid
)
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
);
955 clear_bit(HID_IN_RUNNING
, &hid
->iofl
);
957 spin_unlock_irqrestore(&hid
->inlock
, flags
);
961 /* I/O retry timer routine */
962 static void hid_retry_timeout(unsigned long _hid
)
964 struct hid_device
*hid
= (struct hid_device
*) _hid
;
966 dev_dbg(&hid
->intf
->dev
, "retrying intr urb\n");
967 if (hid_start_in(hid
))
971 /* Workqueue routine to reset the device */
972 static void hid_reset(void *_hid
)
974 struct hid_device
*hid
= (struct hid_device
*) _hid
;
977 dev_dbg(&hid
->intf
->dev
, "resetting device\n");
978 rc
= rc_lock
= usb_lock_device_for_reset(hid
->dev
, hid
->intf
);
980 rc
= usb_reset_composite_device(hid
->dev
, hid
->intf
);
982 usb_unlock_device(hid
->dev
);
984 clear_bit(HID_RESET_PENDING
, &hid
->iofl
);
988 if (!test_bit(HID_IN_RUNNING
, &hid
->iofl
))
992 err("can't reset device, %s-%s/input%d, status %d",
993 hid
->dev
->bus
->bus_name
,
1004 /* Main I/O error handler */
1005 static void hid_io_error(struct hid_device
*hid
)
1007 unsigned long flags
;
1009 spin_lock_irqsave(&hid
->inlock
, flags
);
1011 /* Stop when disconnected */
1012 if (usb_get_intfdata(hid
->intf
) == NULL
)
1015 /* When an error occurs, retry at increasing intervals */
1016 if (hid
->retry_delay
== 0) {
1017 hid
->retry_delay
= 13; /* Then 26, 52, 104, 104, ... */
1018 hid
->stop_retry
= jiffies
+ msecs_to_jiffies(1000);
1019 } else if (hid
->retry_delay
< 100)
1020 hid
->retry_delay
*= 2;
1022 if (time_after(jiffies
, hid
->stop_retry
)) {
1024 /* Retries failed, so do a port reset */
1025 if (!test_and_set_bit(HID_RESET_PENDING
, &hid
->iofl
)) {
1026 if (schedule_work(&hid
->reset_work
))
1028 clear_bit(HID_RESET_PENDING
, &hid
->iofl
);
1032 mod_timer(&hid
->io_retry
,
1033 jiffies
+ msecs_to_jiffies(hid
->retry_delay
));
1035 spin_unlock_irqrestore(&hid
->inlock
, flags
);
1039 * Input interrupt completion handler.
1042 static void hid_irq_in(struct urb
*urb
)
1044 struct hid_device
*hid
= urb
->context
;
1047 switch (urb
->status
) {
1048 case 0: /* success */
1049 hid
->retry_delay
= 0;
1050 hid_input_report(HID_INPUT_REPORT
, urb
, 1);
1052 case -ECONNRESET
: /* unlink */
1054 case -ESHUTDOWN
: /* unplug */
1055 clear_bit(HID_IN_RUNNING
, &hid
->iofl
);
1057 case -EILSEQ
: /* protocol error or unplug */
1058 case -EPROTO
: /* protocol error or unplug */
1059 case -ETIME
: /* protocol error or unplug */
1060 case -ETIMEDOUT
: /* Should never happen, but... */
1061 clear_bit(HID_IN_RUNNING
, &hid
->iofl
);
1064 default: /* error */
1065 warn("input irq status %d received", urb
->status
);
1068 status
= usb_submit_urb(urb
, SLAB_ATOMIC
);
1070 clear_bit(HID_IN_RUNNING
, &hid
->iofl
);
1071 if (status
!= -EPERM
) {
1072 err("can't resubmit intr, %s-%s/input%d, status %d",
1073 hid
->dev
->bus
->bus_name
,
1075 hid
->ifnum
, status
);
1082 * Output the field into the report.
1085 static void hid_output_field(struct hid_field
*field
, __u8
*data
)
1087 unsigned count
= field
->report_count
;
1088 unsigned offset
= field
->report_offset
;
1089 unsigned size
= field
->report_size
;
1092 for (n
= 0; n
< count
; n
++) {
1093 if (field
->logical_minimum
< 0) /* signed values */
1094 implement(data
, offset
+ n
* size
, size
, s32ton(field
->value
[n
], size
));
1095 else /* unsigned values */
1096 implement(data
, offset
+ n
* size
, size
, field
->value
[n
]);
1104 static void hid_output_report(struct hid_report
*report
, __u8
*data
)
1109 *data
++ = report
->id
;
1111 for (n
= 0; n
< report
->maxfield
; n
++)
1112 hid_output_field(report
->field
[n
], data
);
1116 * Set a field value. The report this field belongs to has to be
1117 * created and transferred to the device, to set this value in the
1121 int hid_set_field(struct hid_field
*field
, unsigned offset
, __s32 value
)
1123 unsigned size
= field
->report_size
;
1125 hid_dump_input(field
->usage
+ offset
, value
);
1127 if (offset
>= field
->report_count
) {
1128 dbg("offset (%d) exceeds report_count (%d)", offset
, field
->report_count
);
1129 hid_dump_field(field
, 8);
1132 if (field
->logical_minimum
< 0) {
1133 if (value
!= snto32(s32ton(value
, size
), size
)) {
1134 dbg("value %d is out of range", value
);
1138 field
->value
[offset
] = value
;
1143 * Find a report field with a specified HID usage.
1146 struct hid_field
*hid_find_field_by_usage(struct hid_device
*hid
, __u32 wanted_usage
, int type
)
1148 struct hid_report
*report
;
1151 list_for_each_entry(report
, &hid
->report_enum
[type
].report_list
, list
)
1152 for (i
= 0; i
< report
->maxfield
; i
++)
1153 if (report
->field
[i
]->logical
== wanted_usage
)
1154 return report
->field
[i
];
1159 static int hid_submit_out(struct hid_device
*hid
)
1161 struct hid_report
*report
;
1163 report
= hid
->out
[hid
->outtail
];
1165 hid_output_report(report
, hid
->outbuf
);
1166 hid
->urbout
->transfer_buffer_length
= ((report
->size
- 1) >> 3) + 1 + (report
->id
> 0);
1167 hid
->urbout
->dev
= hid
->dev
;
1169 dbg("submitting out urb");
1171 if (usb_submit_urb(hid
->urbout
, GFP_ATOMIC
)) {
1172 err("usb_submit_urb(out) failed");
1179 static int hid_submit_ctrl(struct hid_device
*hid
)
1181 struct hid_report
*report
;
1185 report
= hid
->ctrl
[hid
->ctrltail
].report
;
1186 dir
= hid
->ctrl
[hid
->ctrltail
].dir
;
1188 len
= ((report
->size
- 1) >> 3) + 1 + (report
->id
> 0);
1189 if (dir
== USB_DIR_OUT
) {
1190 hid_output_report(report
, hid
->ctrlbuf
);
1191 hid
->urbctrl
->pipe
= usb_sndctrlpipe(hid
->dev
, 0);
1192 hid
->urbctrl
->transfer_buffer_length
= len
;
1194 int maxpacket
, padlen
;
1196 hid
->urbctrl
->pipe
= usb_rcvctrlpipe(hid
->dev
, 0);
1197 maxpacket
= usb_maxpacket(hid
->dev
, hid
->urbctrl
->pipe
, 0);
1198 if (maxpacket
> 0) {
1199 padlen
= (len
+ maxpacket
- 1) / maxpacket
;
1200 padlen
*= maxpacket
;
1201 if (padlen
> hid
->bufsize
)
1202 padlen
= hid
->bufsize
;
1205 hid
->urbctrl
->transfer_buffer_length
= padlen
;
1207 hid
->urbctrl
->dev
= hid
->dev
;
1209 hid
->cr
->bRequestType
= USB_TYPE_CLASS
| USB_RECIP_INTERFACE
| dir
;
1210 hid
->cr
->bRequest
= (dir
== USB_DIR_OUT
) ? HID_REQ_SET_REPORT
: HID_REQ_GET_REPORT
;
1211 hid
->cr
->wValue
= cpu_to_le16(((report
->type
+ 1) << 8) | report
->id
);
1212 hid
->cr
->wIndex
= cpu_to_le16(hid
->ifnum
);
1213 hid
->cr
->wLength
= cpu_to_le16(len
);
1215 dbg("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u",
1216 hid
->cr
->bRequest
== HID_REQ_SET_REPORT
? "Set_Report" : "Get_Report",
1217 hid
->cr
->wValue
, hid
->cr
->wIndex
, hid
->cr
->wLength
);
1219 if (usb_submit_urb(hid
->urbctrl
, GFP_ATOMIC
)) {
1220 err("usb_submit_urb(ctrl) failed");
1228 * Output interrupt completion handler.
1231 static void hid_irq_out(struct urb
*urb
)
1233 struct hid_device
*hid
= urb
->context
;
1234 unsigned long flags
;
1237 switch (urb
->status
) {
1238 case 0: /* success */
1240 case -ESHUTDOWN
: /* unplug */
1242 case -EILSEQ
: /* protocol error or unplug */
1243 case -EPROTO
: /* protocol error or unplug */
1244 case -ECONNRESET
: /* unlink */
1247 default: /* error */
1248 warn("output irq status %d received", urb
->status
);
1251 spin_lock_irqsave(&hid
->outlock
, flags
);
1254 hid
->outtail
= hid
->outhead
;
1256 hid
->outtail
= (hid
->outtail
+ 1) & (HID_OUTPUT_FIFO_SIZE
- 1);
1258 if (hid
->outhead
!= hid
->outtail
) {
1259 if (hid_submit_out(hid
)) {
1260 clear_bit(HID_OUT_RUNNING
, &hid
->iofl
);
1261 wake_up(&hid
->wait
);
1263 spin_unlock_irqrestore(&hid
->outlock
, flags
);
1267 clear_bit(HID_OUT_RUNNING
, &hid
->iofl
);
1268 spin_unlock_irqrestore(&hid
->outlock
, flags
);
1269 wake_up(&hid
->wait
);
1273 * Control pipe completion handler.
1276 static void hid_ctrl(struct urb
*urb
)
1278 struct hid_device
*hid
= urb
->context
;
1279 unsigned long flags
;
1282 spin_lock_irqsave(&hid
->ctrllock
, flags
);
1284 switch (urb
->status
) {
1285 case 0: /* success */
1286 if (hid
->ctrl
[hid
->ctrltail
].dir
== USB_DIR_IN
)
1287 hid_input_report(hid
->ctrl
[hid
->ctrltail
].report
->type
, urb
, 0);
1289 case -ESHUTDOWN
: /* unplug */
1291 case -EILSEQ
: /* protocol error or unplug */
1292 case -EPROTO
: /* protocol error or unplug */
1293 case -ECONNRESET
: /* unlink */
1295 case -EPIPE
: /* report not available */
1297 default: /* error */
1298 warn("ctrl urb status %d received", urb
->status
);
1302 hid
->ctrltail
= hid
->ctrlhead
;
1304 hid
->ctrltail
= (hid
->ctrltail
+ 1) & (HID_CONTROL_FIFO_SIZE
- 1);
1306 if (hid
->ctrlhead
!= hid
->ctrltail
) {
1307 if (hid_submit_ctrl(hid
)) {
1308 clear_bit(HID_CTRL_RUNNING
, &hid
->iofl
);
1309 wake_up(&hid
->wait
);
1311 spin_unlock_irqrestore(&hid
->ctrllock
, flags
);
1315 clear_bit(HID_CTRL_RUNNING
, &hid
->iofl
);
1316 spin_unlock_irqrestore(&hid
->ctrllock
, flags
);
1317 wake_up(&hid
->wait
);
1320 void hid_submit_report(struct hid_device
*hid
, struct hid_report
*report
, unsigned char dir
)
1323 unsigned long flags
;
1325 if ((hid
->quirks
& HID_QUIRK_NOGET
) && dir
== USB_DIR_IN
)
1328 if (hid
->urbout
&& dir
== USB_DIR_OUT
&& report
->type
== HID_OUTPUT_REPORT
) {
1330 spin_lock_irqsave(&hid
->outlock
, flags
);
1332 if ((head
= (hid
->outhead
+ 1) & (HID_OUTPUT_FIFO_SIZE
- 1)) == hid
->outtail
) {
1333 spin_unlock_irqrestore(&hid
->outlock
, flags
);
1334 warn("output queue full");
1338 hid
->out
[hid
->outhead
] = report
;
1339 hid
->outhead
= head
;
1341 if (!test_and_set_bit(HID_OUT_RUNNING
, &hid
->iofl
))
1342 if (hid_submit_out(hid
))
1343 clear_bit(HID_OUT_RUNNING
, &hid
->iofl
);
1345 spin_unlock_irqrestore(&hid
->outlock
, flags
);
1349 spin_lock_irqsave(&hid
->ctrllock
, flags
);
1351 if ((head
= (hid
->ctrlhead
+ 1) & (HID_CONTROL_FIFO_SIZE
- 1)) == hid
->ctrltail
) {
1352 spin_unlock_irqrestore(&hid
->ctrllock
, flags
);
1353 warn("control queue full");
1357 hid
->ctrl
[hid
->ctrlhead
].report
= report
;
1358 hid
->ctrl
[hid
->ctrlhead
].dir
= dir
;
1359 hid
->ctrlhead
= head
;
1361 if (!test_and_set_bit(HID_CTRL_RUNNING
, &hid
->iofl
))
1362 if (hid_submit_ctrl(hid
))
1363 clear_bit(HID_CTRL_RUNNING
, &hid
->iofl
);
1365 spin_unlock_irqrestore(&hid
->ctrllock
, flags
);
1368 int hid_wait_io(struct hid_device
*hid
)
1370 if (!wait_event_timeout(hid
->wait
, (!test_bit(HID_CTRL_RUNNING
, &hid
->iofl
) &&
1371 !test_bit(HID_OUT_RUNNING
, &hid
->iofl
)),
1373 dbg("timeout waiting for ctrl or out queue to clear");
1380 static int hid_set_idle(struct usb_device
*dev
, int ifnum
, int report
, int idle
)
1382 return usb_control_msg(dev
, usb_sndctrlpipe(dev
, 0),
1383 HID_REQ_SET_IDLE
, USB_TYPE_CLASS
| USB_RECIP_INTERFACE
, (idle
<< 8) | report
,
1384 ifnum
, NULL
, 0, USB_CTRL_SET_TIMEOUT
);
1387 static int hid_get_class_descriptor(struct usb_device
*dev
, int ifnum
,
1388 unsigned char type
, void *buf
, int size
)
1390 int result
, retries
= 4;
1392 memset(buf
,0,size
); // Make sure we parse really received data
1395 result
= usb_control_msg(dev
, usb_rcvctrlpipe(dev
, 0),
1396 USB_REQ_GET_DESCRIPTOR
, USB_RECIP_INTERFACE
| USB_DIR_IN
,
1397 (type
<< 8), ifnum
, buf
, size
, USB_CTRL_GET_TIMEOUT
);
1399 } while (result
< size
&& retries
);
1403 int hid_open(struct hid_device
*hid
)
1406 if (hid_start_in(hid
))
1411 void hid_close(struct hid_device
*hid
)
1414 usb_kill_urb(hid
->urbin
);
1417 #define USB_VENDOR_ID_PANJIT 0x134c
1419 #define USB_VENDOR_ID_TURBOX 0x062a
1420 #define USB_DEVICE_ID_TURBOX_KEYBOARD 0x0201
1423 * Initialize all reports
1426 void hid_init_reports(struct hid_device
*hid
)
1428 struct hid_report
*report
;
1431 list_for_each_entry(report
, &hid
->report_enum
[HID_INPUT_REPORT
].report_list
, list
)
1432 hid_submit_report(hid
, report
, USB_DIR_IN
);
1434 list_for_each_entry(report
, &hid
->report_enum
[HID_FEATURE_REPORT
].report_list
, list
)
1435 hid_submit_report(hid
, report
, USB_DIR_IN
);
1438 ret
= hid_wait_io(hid
);
1441 if (test_bit(HID_CTRL_RUNNING
, &hid
->iofl
))
1442 usb_kill_urb(hid
->urbctrl
);
1443 if (test_bit(HID_OUT_RUNNING
, &hid
->iofl
))
1444 usb_kill_urb(hid
->urbout
);
1445 ret
= hid_wait_io(hid
);
1449 warn("timeout initializing reports");
1452 #define USB_VENDOR_ID_GTCO 0x078c
1453 #define USB_DEVICE_ID_GTCO_90 0x0090
1454 #define USB_DEVICE_ID_GTCO_100 0x0100
1455 #define USB_DEVICE_ID_GTCO_101 0x0101
1456 #define USB_DEVICE_ID_GTCO_103 0x0103
1457 #define USB_DEVICE_ID_GTCO_104 0x0104
1458 #define USB_DEVICE_ID_GTCO_105 0x0105
1459 #define USB_DEVICE_ID_GTCO_106 0x0106
1460 #define USB_DEVICE_ID_GTCO_107 0x0107
1461 #define USB_DEVICE_ID_GTCO_108 0x0108
1462 #define USB_DEVICE_ID_GTCO_200 0x0200
1463 #define USB_DEVICE_ID_GTCO_201 0x0201
1464 #define USB_DEVICE_ID_GTCO_202 0x0202
1465 #define USB_DEVICE_ID_GTCO_203 0x0203
1466 #define USB_DEVICE_ID_GTCO_204 0x0204
1467 #define USB_DEVICE_ID_GTCO_205 0x0205
1468 #define USB_DEVICE_ID_GTCO_206 0x0206
1469 #define USB_DEVICE_ID_GTCO_207 0x0207
1470 #define USB_DEVICE_ID_GTCO_300 0x0300
1471 #define USB_DEVICE_ID_GTCO_301 0x0301
1472 #define USB_DEVICE_ID_GTCO_302 0x0302
1473 #define USB_DEVICE_ID_GTCO_303 0x0303
1474 #define USB_DEVICE_ID_GTCO_304 0x0304
1475 #define USB_DEVICE_ID_GTCO_305 0x0305
1476 #define USB_DEVICE_ID_GTCO_306 0x0306
1477 #define USB_DEVICE_ID_GTCO_307 0x0307
1478 #define USB_DEVICE_ID_GTCO_308 0x0308
1479 #define USB_DEVICE_ID_GTCO_309 0x0309
1480 #define USB_DEVICE_ID_GTCO_400 0x0400
1481 #define USB_DEVICE_ID_GTCO_401 0x0401
1482 #define USB_DEVICE_ID_GTCO_402 0x0402
1483 #define USB_DEVICE_ID_GTCO_403 0x0403
1484 #define USB_DEVICE_ID_GTCO_404 0x0404
1485 #define USB_DEVICE_ID_GTCO_405 0x0405
1486 #define USB_DEVICE_ID_GTCO_500 0x0500
1487 #define USB_DEVICE_ID_GTCO_501 0x0501
1488 #define USB_DEVICE_ID_GTCO_502 0x0502
1489 #define USB_DEVICE_ID_GTCO_503 0x0503
1490 #define USB_DEVICE_ID_GTCO_504 0x0504
1491 #define USB_DEVICE_ID_GTCO_1000 0x1000
1492 #define USB_DEVICE_ID_GTCO_1001 0x1001
1493 #define USB_DEVICE_ID_GTCO_1002 0x1002
1494 #define USB_DEVICE_ID_GTCO_1003 0x1003
1495 #define USB_DEVICE_ID_GTCO_1004 0x1004
1496 #define USB_DEVICE_ID_GTCO_1005 0x1005
1497 #define USB_DEVICE_ID_GTCO_1006 0x1006
1499 #define USB_VENDOR_ID_WACOM 0x056a
1501 #define USB_VENDOR_ID_ACECAD 0x0460
1502 #define USB_DEVICE_ID_ACECAD_FLAIR 0x0004
1503 #define USB_DEVICE_ID_ACECAD_302 0x0008
1505 #define USB_VENDOR_ID_KBGEAR 0x084e
1506 #define USB_DEVICE_ID_KBGEAR_JAMSTUDIO 0x1001
1508 #define USB_VENDOR_ID_AIPTEK 0x08ca
1509 #define USB_DEVICE_ID_AIPTEK_01 0x0001
1510 #define USB_DEVICE_ID_AIPTEK_10 0x0010
1511 #define USB_DEVICE_ID_AIPTEK_20 0x0020
1512 #define USB_DEVICE_ID_AIPTEK_21 0x0021
1513 #define USB_DEVICE_ID_AIPTEK_22 0x0022
1514 #define USB_DEVICE_ID_AIPTEK_23 0x0023
1515 #define USB_DEVICE_ID_AIPTEK_24 0x0024
1517 #define USB_VENDOR_ID_GRIFFIN 0x077d
1518 #define USB_DEVICE_ID_POWERMATE 0x0410
1519 #define USB_DEVICE_ID_SOUNDKNOB 0x04AA
1521 #define USB_VENDOR_ID_ATEN 0x0557
1522 #define USB_DEVICE_ID_ATEN_UC100KM 0x2004
1523 #define USB_DEVICE_ID_ATEN_CS124U 0x2202
1524 #define USB_DEVICE_ID_ATEN_2PORTKVM 0x2204
1525 #define USB_DEVICE_ID_ATEN_4PORTKVM 0x2205
1526 #define USB_DEVICE_ID_ATEN_4PORTKVMC 0x2208
1528 #define USB_VENDOR_ID_TOPMAX 0x0663
1529 #define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103
1531 #define USB_VENDOR_ID_HAPP 0x078b
1532 #define USB_DEVICE_ID_UGCI_DRIVING 0x0010
1533 #define USB_DEVICE_ID_UGCI_FLYING 0x0020
1534 #define USB_DEVICE_ID_UGCI_FIGHTING 0x0030
1536 #define USB_VENDOR_ID_MGE 0x0463
1537 #define USB_DEVICE_ID_MGE_UPS 0xffff
1538 #define USB_DEVICE_ID_MGE_UPS1 0x0001
1540 #define USB_VENDOR_ID_ONTRAK 0x0a07
1541 #define USB_DEVICE_ID_ONTRAK_ADU100 0x0064
1543 #define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f
1544 #define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
1546 #define USB_VENDOR_ID_A4TECH 0x09da
1547 #define USB_DEVICE_ID_A4TECH_WCP32PU 0x0006
1549 #define USB_VENDOR_ID_AASHIMA 0x06d6
1550 #define USB_DEVICE_ID_AASHIMA_GAMEPAD 0x0025
1551 #define USB_DEVICE_ID_AASHIMA_PREDATOR 0x0026
1553 #define USB_VENDOR_ID_CYPRESS 0x04b4
1554 #define USB_DEVICE_ID_CYPRESS_MOUSE 0x0001
1555 #define USB_DEVICE_ID_CYPRESS_HIDCOM 0x5500
1556 #define USB_DEVICE_ID_CYPRESS_ULTRAMOUSE 0x7417
1558 #define USB_VENDOR_ID_BERKSHIRE 0x0c98
1559 #define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140
1561 #define USB_VENDOR_ID_ALPS 0x0433
1562 #define USB_DEVICE_ID_IBM_GAMEPAD 0x1101
1564 #define USB_VENDOR_ID_SAITEK 0x06a3
1565 #define USB_DEVICE_ID_SAITEK_RUMBLEPAD 0xff17
1567 #define USB_VENDOR_ID_NEC 0x073e
1568 #define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301
1570 #define USB_VENDOR_ID_CHIC 0x05fe
1571 #define USB_DEVICE_ID_CHIC_GAMEPAD 0x0014
1573 #define USB_VENDOR_ID_GLAB 0x06c2
1574 #define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038
1575 #define USB_DEVICE_ID_1_PHIDGETSERVO_30 0x0039
1576 #define USB_DEVICE_ID_0_0_4_IF_KIT 0x0040
1577 #define USB_DEVICE_ID_0_16_16_IF_KIT 0x0044
1578 #define USB_DEVICE_ID_8_8_8_IF_KIT 0x0045
1579 #define USB_DEVICE_ID_0_8_7_IF_KIT 0x0051
1580 #define USB_DEVICE_ID_0_8_8_IF_KIT 0x0053
1581 #define USB_DEVICE_ID_PHIDGET_MOTORCONTROL 0x0058
1583 #define USB_VENDOR_ID_WISEGROUP 0x0925
1584 #define USB_DEVICE_ID_1_PHIDGETSERVO_20 0x8101
1585 #define USB_DEVICE_ID_4_PHIDGETSERVO_20 0x8104
1586 #define USB_DEVICE_ID_8_8_4_IF_KIT 0x8201
1587 #define USB_DEVICE_ID_DUAL_USB_JOYPAD 0x8866
1589 #define USB_VENDOR_ID_WISEGROUP_LTD 0x6677
1590 #define USB_DEVICE_ID_SMARTJOY_DUAL_PLUS 0x8802
1592 #define USB_VENDOR_ID_CODEMERCS 0x07c0
1593 #define USB_DEVICE_ID_CODEMERCS_IOW40 0x1500
1594 #define USB_DEVICE_ID_CODEMERCS_IOW24 0x1501
1595 #define USB_DEVICE_ID_CODEMERCS_IOW48 0x1502
1596 #define USB_DEVICE_ID_CODEMERCS_IOW28 0x1503
1598 #define USB_VENDOR_ID_DELORME 0x1163
1599 #define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100
1600 #define USB_DEVICE_ID_DELORME_EM_LT20 0x0200
1602 #define USB_VENDOR_ID_MCC 0x09db
1603 #define USB_DEVICE_ID_MCC_PMD1024LS 0x0076
1604 #define USB_DEVICE_ID_MCC_PMD1208LS 0x007a
1606 #define USB_VENDOR_ID_VERNIER 0x08f7
1607 #define USB_DEVICE_ID_VERNIER_LABPRO 0x0001
1608 #define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002
1609 #define USB_DEVICE_ID_VERNIER_SKIP 0x0003
1610 #define USB_DEVICE_ID_VERNIER_CYCLOPS 0x0004
1612 #define USB_VENDOR_ID_LD 0x0f11
1613 #define USB_DEVICE_ID_LD_CASSY 0x1000
1614 #define USB_DEVICE_ID_LD_POCKETCASSY 0x1010
1615 #define USB_DEVICE_ID_LD_MOBILECASSY 0x1020
1616 #define USB_DEVICE_ID_LD_JWM 0x1080
1617 #define USB_DEVICE_ID_LD_DMMP 0x1081
1618 #define USB_DEVICE_ID_LD_UMIP 0x1090
1619 #define USB_DEVICE_ID_LD_XRAY1 0x1100
1620 #define USB_DEVICE_ID_LD_XRAY2 0x1101
1621 #define USB_DEVICE_ID_LD_VIDEOCOM 0x1200
1622 #define USB_DEVICE_ID_LD_COM3LAB 0x2000
1623 #define USB_DEVICE_ID_LD_TELEPORT 0x2010
1624 #define USB_DEVICE_ID_LD_NETWORKANALYSER 0x2020
1625 #define USB_DEVICE_ID_LD_POWERCONTROL 0x2030
1626 #define USB_DEVICE_ID_LD_MACHINETEST 0x2040
1628 #define USB_VENDOR_ID_APPLE 0x05ac
1629 #define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304
1631 #define USB_VENDOR_ID_CHERRY 0x046a
1632 #define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023
1634 #define USB_VENDOR_ID_YEALINK 0x6993
1635 #define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K 0xb001
1637 #define USB_VENDOR_ID_ALCOR 0x058f
1638 #define USB_DEVICE_ID_ALCOR_USBRS232 0x9720
1640 #define USB_VENDOR_ID_SUN 0x0430
1641 #define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab
1643 #define USB_VENDOR_ID_AIRCABLE 0x16CA
1644 #define USB_DEVICE_ID_AIRCABLE1 0x1502
1647 * Alphabetically sorted blacklist by quirk type.
1650 static const struct hid_blacklist
{
1654 } hid_blacklist
[] = {
1656 { USB_VENDOR_ID_AIPTEK
, USB_DEVICE_ID_AIPTEK_01
, HID_QUIRK_IGNORE
},
1657 { USB_VENDOR_ID_AIPTEK
, USB_DEVICE_ID_AIPTEK_10
, HID_QUIRK_IGNORE
},
1658 { USB_VENDOR_ID_AIPTEK
, USB_DEVICE_ID_AIPTEK_20
, HID_QUIRK_IGNORE
},
1659 { USB_VENDOR_ID_AIPTEK
, USB_DEVICE_ID_AIPTEK_21
, HID_QUIRK_IGNORE
},
1660 { USB_VENDOR_ID_AIPTEK
, USB_DEVICE_ID_AIPTEK_22
, HID_QUIRK_IGNORE
},
1661 { USB_VENDOR_ID_AIPTEK
, USB_DEVICE_ID_AIPTEK_23
, HID_QUIRK_IGNORE
},
1662 { USB_VENDOR_ID_AIPTEK
, USB_DEVICE_ID_AIPTEK_24
, HID_QUIRK_IGNORE
},
1663 { USB_VENDOR_ID_AIRCABLE
, USB_DEVICE_ID_AIRCABLE1
, HID_QUIRK_IGNORE
},
1664 { USB_VENDOR_ID_ALCOR
, USB_DEVICE_ID_ALCOR_USBRS232
, HID_QUIRK_IGNORE
},
1665 { USB_VENDOR_ID_BERKSHIRE
, USB_DEVICE_ID_BERKSHIRE_PCWD
, HID_QUIRK_IGNORE
},
1666 { USB_VENDOR_ID_CODEMERCS
, USB_DEVICE_ID_CODEMERCS_IOW40
, HID_QUIRK_IGNORE
},
1667 { USB_VENDOR_ID_CODEMERCS
, USB_DEVICE_ID_CODEMERCS_IOW24
, HID_QUIRK_IGNORE
},
1668 { USB_VENDOR_ID_CODEMERCS
, USB_DEVICE_ID_CODEMERCS_IOW48
, HID_QUIRK_IGNORE
},
1669 { USB_VENDOR_ID_CODEMERCS
, USB_DEVICE_ID_CODEMERCS_IOW28
, HID_QUIRK_IGNORE
},
1670 { USB_VENDOR_ID_CYPRESS
, USB_DEVICE_ID_CYPRESS_HIDCOM
, HID_QUIRK_IGNORE
},
1671 { USB_VENDOR_ID_CYPRESS
, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE
, HID_QUIRK_IGNORE
},
1672 { USB_VENDOR_ID_DELORME
, USB_DEVICE_ID_DELORME_EARTHMATE
, HID_QUIRK_IGNORE
},
1673 { USB_VENDOR_ID_DELORME
, USB_DEVICE_ID_DELORME_EM_LT20
, HID_QUIRK_IGNORE
},
1674 { USB_VENDOR_ID_ESSENTIAL_REALITY
, USB_DEVICE_ID_ESSENTIAL_REALITY_P5
, HID_QUIRK_IGNORE
},
1675 { USB_VENDOR_ID_GLAB
, USB_DEVICE_ID_4_PHIDGETSERVO_30
, HID_QUIRK_IGNORE
},
1676 { USB_VENDOR_ID_GLAB
, USB_DEVICE_ID_1_PHIDGETSERVO_30
, HID_QUIRK_IGNORE
},
1677 { USB_VENDOR_ID_GLAB
, USB_DEVICE_ID_0_0_4_IF_KIT
, HID_QUIRK_IGNORE
},
1678 { USB_VENDOR_ID_GLAB
, USB_DEVICE_ID_0_16_16_IF_KIT
, HID_QUIRK_IGNORE
},
1679 { USB_VENDOR_ID_GLAB
, USB_DEVICE_ID_8_8_8_IF_KIT
, HID_QUIRK_IGNORE
},
1680 { USB_VENDOR_ID_GLAB
, USB_DEVICE_ID_0_8_7_IF_KIT
, HID_QUIRK_IGNORE
},
1681 { USB_VENDOR_ID_GLAB
, USB_DEVICE_ID_0_8_8_IF_KIT
, HID_QUIRK_IGNORE
},
1682 { USB_VENDOR_ID_GLAB
, USB_DEVICE_ID_PHIDGET_MOTORCONTROL
, HID_QUIRK_IGNORE
},
1683 { USB_VENDOR_ID_GRIFFIN
, USB_DEVICE_ID_POWERMATE
, HID_QUIRK_IGNORE
},
1684 { USB_VENDOR_ID_GRIFFIN
, USB_DEVICE_ID_SOUNDKNOB
, HID_QUIRK_IGNORE
},
1685 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_90
, HID_QUIRK_IGNORE
},
1686 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_100
, HID_QUIRK_IGNORE
},
1687 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_101
, HID_QUIRK_IGNORE
},
1688 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_103
, HID_QUIRK_IGNORE
},
1689 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_104
, HID_QUIRK_IGNORE
},
1690 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_105
, HID_QUIRK_IGNORE
},
1691 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_106
, HID_QUIRK_IGNORE
},
1692 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_107
, HID_QUIRK_IGNORE
},
1693 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_108
, HID_QUIRK_IGNORE
},
1694 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_200
, HID_QUIRK_IGNORE
},
1695 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_201
, HID_QUIRK_IGNORE
},
1696 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_202
, HID_QUIRK_IGNORE
},
1697 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_203
, HID_QUIRK_IGNORE
},
1698 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_204
, HID_QUIRK_IGNORE
},
1699 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_205
, HID_QUIRK_IGNORE
},
1700 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_206
, HID_QUIRK_IGNORE
},
1701 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_207
, HID_QUIRK_IGNORE
},
1702 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_300
, HID_QUIRK_IGNORE
},
1703 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_301
, HID_QUIRK_IGNORE
},
1704 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_302
, HID_QUIRK_IGNORE
},
1705 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_303
, HID_QUIRK_IGNORE
},
1706 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_304
, HID_QUIRK_IGNORE
},
1707 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_305
, HID_QUIRK_IGNORE
},
1708 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_306
, HID_QUIRK_IGNORE
},
1709 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_307
, HID_QUIRK_IGNORE
},
1710 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_308
, HID_QUIRK_IGNORE
},
1711 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_309
, HID_QUIRK_IGNORE
},
1712 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_400
, HID_QUIRK_IGNORE
},
1713 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_401
, HID_QUIRK_IGNORE
},
1714 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_402
, HID_QUIRK_IGNORE
},
1715 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_403
, HID_QUIRK_IGNORE
},
1716 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_404
, HID_QUIRK_IGNORE
},
1717 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_405
, HID_QUIRK_IGNORE
},
1718 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_500
, HID_QUIRK_IGNORE
},
1719 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_501
, HID_QUIRK_IGNORE
},
1720 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_502
, HID_QUIRK_IGNORE
},
1721 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_503
, HID_QUIRK_IGNORE
},
1722 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_504
, HID_QUIRK_IGNORE
},
1723 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_1000
, HID_QUIRK_IGNORE
},
1724 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_1001
, HID_QUIRK_IGNORE
},
1725 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_1002
, HID_QUIRK_IGNORE
},
1726 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_1003
, HID_QUIRK_IGNORE
},
1727 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_1004
, HID_QUIRK_IGNORE
},
1728 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_1005
, HID_QUIRK_IGNORE
},
1729 { USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_1006
, HID_QUIRK_IGNORE
},
1730 { USB_VENDOR_ID_KBGEAR
, USB_DEVICE_ID_KBGEAR_JAMSTUDIO
, HID_QUIRK_IGNORE
},
1731 { USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_CASSY
, HID_QUIRK_IGNORE
},
1732 { USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_POCKETCASSY
, HID_QUIRK_IGNORE
},
1733 { USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_MOBILECASSY
, HID_QUIRK_IGNORE
},
1734 { USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_JWM
, HID_QUIRK_IGNORE
},
1735 { USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_DMMP
, HID_QUIRK_IGNORE
},
1736 { USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_UMIP
, HID_QUIRK_IGNORE
},
1737 { USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_XRAY1
, HID_QUIRK_IGNORE
},
1738 { USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_XRAY2
, HID_QUIRK_IGNORE
},
1739 { USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_VIDEOCOM
, HID_QUIRK_IGNORE
},
1740 { USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_COM3LAB
, HID_QUIRK_IGNORE
},
1741 { USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_TELEPORT
, HID_QUIRK_IGNORE
},
1742 { USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_NETWORKANALYSER
, HID_QUIRK_IGNORE
},
1743 { USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_POWERCONTROL
, HID_QUIRK_IGNORE
},
1744 { USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_MACHINETEST
, HID_QUIRK_IGNORE
},
1745 { USB_VENDOR_ID_MCC
, USB_DEVICE_ID_MCC_PMD1024LS
, HID_QUIRK_IGNORE
},
1746 { USB_VENDOR_ID_MCC
, USB_DEVICE_ID_MCC_PMD1208LS
, HID_QUIRK_IGNORE
},
1747 { USB_VENDOR_ID_MGE
, USB_DEVICE_ID_MGE_UPS
, HID_QUIRK_IGNORE
},
1748 { USB_VENDOR_ID_MGE
, USB_DEVICE_ID_MGE_UPS1
, HID_QUIRK_IGNORE
},
1749 { USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
, HID_QUIRK_IGNORE
},
1750 { USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
+ 20, HID_QUIRK_IGNORE
},
1751 { USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
+ 30, HID_QUIRK_IGNORE
},
1752 { USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
+ 100, HID_QUIRK_IGNORE
},
1753 { USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
+ 108, HID_QUIRK_IGNORE
},
1754 { USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
+ 118, HID_QUIRK_IGNORE
},
1755 { USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
+ 200, HID_QUIRK_IGNORE
},
1756 { USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
+ 300, HID_QUIRK_IGNORE
},
1757 { USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
+ 400, HID_QUIRK_IGNORE
},
1758 { USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
+ 500, HID_QUIRK_IGNORE
},
1759 { USB_VENDOR_ID_VERNIER
, USB_DEVICE_ID_VERNIER_LABPRO
, HID_QUIRK_IGNORE
},
1760 { USB_VENDOR_ID_VERNIER
, USB_DEVICE_ID_VERNIER_GOTEMP
, HID_QUIRK_IGNORE
},
1761 { USB_VENDOR_ID_VERNIER
, USB_DEVICE_ID_VERNIER_SKIP
, HID_QUIRK_IGNORE
},
1762 { USB_VENDOR_ID_VERNIER
, USB_DEVICE_ID_VERNIER_CYCLOPS
, HID_QUIRK_IGNORE
},
1763 { USB_VENDOR_ID_WISEGROUP
, USB_DEVICE_ID_4_PHIDGETSERVO_20
, HID_QUIRK_IGNORE
},
1764 { USB_VENDOR_ID_WISEGROUP
, USB_DEVICE_ID_1_PHIDGETSERVO_20
, HID_QUIRK_IGNORE
},
1765 { USB_VENDOR_ID_WISEGROUP
, USB_DEVICE_ID_8_8_4_IF_KIT
, HID_QUIRK_IGNORE
},
1766 { USB_VENDOR_ID_YEALINK
, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K
, HID_QUIRK_IGNORE
},
1768 { USB_VENDOR_ID_ACECAD
, USB_DEVICE_ID_ACECAD_FLAIR
, HID_QUIRK_IGNORE
},
1769 { USB_VENDOR_ID_ACECAD
, USB_DEVICE_ID_ACECAD_302
, HID_QUIRK_IGNORE
},
1771 { USB_VENDOR_ID_ATEN
, USB_DEVICE_ID_ATEN_UC100KM
, HID_QUIRK_NOGET
},
1772 { USB_VENDOR_ID_ATEN
, USB_DEVICE_ID_ATEN_CS124U
, HID_QUIRK_NOGET
},
1773 { USB_VENDOR_ID_ATEN
, USB_DEVICE_ID_ATEN_2PORTKVM
, HID_QUIRK_NOGET
},
1774 { USB_VENDOR_ID_ATEN
, USB_DEVICE_ID_ATEN_4PORTKVM
, HID_QUIRK_NOGET
},
1775 { USB_VENDOR_ID_ATEN
, USB_DEVICE_ID_ATEN_4PORTKVMC
, HID_QUIRK_NOGET
},
1776 { USB_VENDOR_ID_SUN
, USB_DEVICE_ID_RARITAN_KVM_DONGLE
, HID_QUIRK_NOGET
},
1777 { USB_VENDOR_ID_WISEGROUP
, USB_DEVICE_ID_DUAL_USB_JOYPAD
, HID_QUIRK_NOGET
| HID_QUIRK_MULTI_INPUT
},
1778 { USB_VENDOR_ID_WISEGROUP_LTD
, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS
, HID_QUIRK_NOGET
| HID_QUIRK_MULTI_INPUT
},
1780 { USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_MIGHTYMOUSE
, HID_QUIRK_MIGHTYMOUSE
| HID_QUIRK_INVERT_HWHEEL
},
1781 { USB_VENDOR_ID_A4TECH
, USB_DEVICE_ID_A4TECH_WCP32PU
, HID_QUIRK_2WHEEL_MOUSE_HACK_7
},
1782 { USB_VENDOR_ID_CYPRESS
, USB_DEVICE_ID_CYPRESS_MOUSE
, HID_QUIRK_2WHEEL_MOUSE_HACK_5
},
1784 { USB_VENDOR_ID_AASHIMA
, USB_DEVICE_ID_AASHIMA_GAMEPAD
, HID_QUIRK_BADPAD
},
1785 { USB_VENDOR_ID_AASHIMA
, USB_DEVICE_ID_AASHIMA_PREDATOR
, HID_QUIRK_BADPAD
},
1786 { USB_VENDOR_ID_ALPS
, USB_DEVICE_ID_IBM_GAMEPAD
, HID_QUIRK_BADPAD
},
1787 { USB_VENDOR_ID_CHIC
, USB_DEVICE_ID_CHIC_GAMEPAD
, HID_QUIRK_BADPAD
},
1788 { USB_VENDOR_ID_HAPP
, USB_DEVICE_ID_UGCI_DRIVING
, HID_QUIRK_BADPAD
| HID_QUIRK_MULTI_INPUT
},
1789 { USB_VENDOR_ID_HAPP
, USB_DEVICE_ID_UGCI_FLYING
, HID_QUIRK_BADPAD
| HID_QUIRK_MULTI_INPUT
},
1790 { USB_VENDOR_ID_HAPP
, USB_DEVICE_ID_UGCI_FIGHTING
, HID_QUIRK_BADPAD
| HID_QUIRK_MULTI_INPUT
},
1791 { USB_VENDOR_ID_NEC
, USB_DEVICE_ID_NEC_USB_GAME_PAD
, HID_QUIRK_BADPAD
},
1792 { USB_VENDOR_ID_SAITEK
, USB_DEVICE_ID_SAITEK_RUMBLEPAD
, HID_QUIRK_BADPAD
},
1793 { USB_VENDOR_ID_TOPMAX
, USB_DEVICE_ID_TOPMAX_COBRAPAD
, HID_QUIRK_BADPAD
},
1795 { USB_VENDOR_ID_CHERRY
, USB_DEVICE_ID_CHERRY_CYMOTION
, HID_QUIRK_CYMOTION
},
1797 { USB_VENDOR_ID_APPLE
, 0x020E, HID_QUIRK_POWERBOOK_HAS_FN
},
1798 { USB_VENDOR_ID_APPLE
, 0x020F, HID_QUIRK_POWERBOOK_HAS_FN
},
1799 { USB_VENDOR_ID_APPLE
, 0x0214, HID_QUIRK_POWERBOOK_HAS_FN
},
1800 { USB_VENDOR_ID_APPLE
, 0x0215, HID_QUIRK_POWERBOOK_HAS_FN
| HID_QUIRK_POWERBOOK_ISO_KEYBOARD
},
1801 { USB_VENDOR_ID_APPLE
, 0x0216, HID_QUIRK_POWERBOOK_HAS_FN
},
1802 { USB_VENDOR_ID_APPLE
, 0x0217, HID_QUIRK_POWERBOOK_HAS_FN
},
1803 { USB_VENDOR_ID_APPLE
, 0x0218, HID_QUIRK_POWERBOOK_HAS_FN
| HID_QUIRK_POWERBOOK_ISO_KEYBOARD
},
1804 { USB_VENDOR_ID_APPLE
, 0x0219, HID_QUIRK_POWERBOOK_HAS_FN
},
1805 { USB_VENDOR_ID_APPLE
, 0x030A, HID_QUIRK_POWERBOOK_HAS_FN
},
1806 { USB_VENDOR_ID_APPLE
, 0x030B, HID_QUIRK_POWERBOOK_HAS_FN
},
1808 { USB_VENDOR_ID_PANJIT
, 0x0001, HID_QUIRK_IGNORE
},
1809 { USB_VENDOR_ID_PANJIT
, 0x0002, HID_QUIRK_IGNORE
},
1810 { USB_VENDOR_ID_PANJIT
, 0x0003, HID_QUIRK_IGNORE
},
1811 { USB_VENDOR_ID_PANJIT
, 0x0004, HID_QUIRK_IGNORE
},
1813 { USB_VENDOR_ID_TURBOX
, USB_DEVICE_ID_TURBOX_KEYBOARD
, HID_QUIRK_NOGET
},
1819 * Traverse the supplied list of reports and find the longest
1821 static void hid_find_max_report(struct hid_device
*hid
, unsigned int type
, int *max
)
1823 struct hid_report
*report
;
1826 list_for_each_entry(report
, &hid
->report_enum
[type
].report_list
, list
) {
1827 size
= ((report
->size
- 1) >> 3) + 1;
1828 if (type
== HID_INPUT_REPORT
&& hid
->report_enum
[type
].numbered
)
1835 static int hid_alloc_buffers(struct usb_device
*dev
, struct hid_device
*hid
)
1837 if (!(hid
->inbuf
= usb_buffer_alloc(dev
, hid
->bufsize
, SLAB_ATOMIC
, &hid
->inbuf_dma
)))
1839 if (!(hid
->outbuf
= usb_buffer_alloc(dev
, hid
->bufsize
, SLAB_ATOMIC
, &hid
->outbuf_dma
)))
1841 if (!(hid
->cr
= usb_buffer_alloc(dev
, sizeof(*(hid
->cr
)), SLAB_ATOMIC
, &hid
->cr_dma
)))
1843 if (!(hid
->ctrlbuf
= usb_buffer_alloc(dev
, hid
->bufsize
, SLAB_ATOMIC
, &hid
->ctrlbuf_dma
)))
1849 static void hid_free_buffers(struct usb_device
*dev
, struct hid_device
*hid
)
1852 usb_buffer_free(dev
, hid
->bufsize
, hid
->inbuf
, hid
->inbuf_dma
);
1854 usb_buffer_free(dev
, hid
->bufsize
, hid
->outbuf
, hid
->outbuf_dma
);
1856 usb_buffer_free(dev
, sizeof(*(hid
->cr
)), hid
->cr
, hid
->cr_dma
);
1858 usb_buffer_free(dev
, hid
->bufsize
, hid
->ctrlbuf
, hid
->ctrlbuf_dma
);
1862 * Cherry Cymotion keyboard have an invalid HID report descriptor,
1863 * that needs fixing before we can parse it.
1866 static void hid_fixup_cymotion_descriptor(char *rdesc
, int rsize
)
1868 if (rsize
>= 17 && rdesc
[11] == 0x3c && rdesc
[12] == 0x02) {
1869 info("Fixing up Cherry Cymotion report descriptor");
1870 rdesc
[11] = rdesc
[16] = 0xff;
1871 rdesc
[12] = rdesc
[17] = 0x03;
1875 static struct hid_device
*usb_hid_configure(struct usb_interface
*intf
)
1877 struct usb_host_interface
*interface
= intf
->cur_altsetting
;
1878 struct usb_device
*dev
= interface_to_usbdev (intf
);
1879 struct hid_descriptor
*hdesc
;
1880 struct hid_device
*hid
;
1881 unsigned quirks
= 0, rsize
= 0;
1883 int n
, len
, insize
= 0;
1885 /* Ignore all Wacom devices */
1886 if (le16_to_cpu(dev
->descriptor
.idVendor
) == USB_VENDOR_ID_WACOM
)
1889 for (n
= 0; hid_blacklist
[n
].idVendor
; n
++)
1890 if ((hid_blacklist
[n
].idVendor
== le16_to_cpu(dev
->descriptor
.idVendor
)) &&
1891 (hid_blacklist
[n
].idProduct
== le16_to_cpu(dev
->descriptor
.idProduct
)))
1892 quirks
= hid_blacklist
[n
].quirks
;
1894 /* Many keyboards and mice don't like to be polled for reports,
1895 * so we will always set the HID_QUIRK_NOGET flag for them. */
1896 if (interface
->desc
.bInterfaceSubClass
== USB_INTERFACE_SUBCLASS_BOOT
) {
1897 if (interface
->desc
.bInterfaceProtocol
== USB_INTERFACE_PROTOCOL_KEYBOARD
||
1898 interface
->desc
.bInterfaceProtocol
== USB_INTERFACE_PROTOCOL_MOUSE
)
1899 quirks
|= HID_QUIRK_NOGET
;
1902 if (quirks
& HID_QUIRK_IGNORE
)
1905 if (usb_get_extra_descriptor(interface
, HID_DT_HID
, &hdesc
) &&
1906 (!interface
->desc
.bNumEndpoints
||
1907 usb_get_extra_descriptor(&interface
->endpoint
[0], HID_DT_HID
, &hdesc
))) {
1908 dbg("class descriptor not present\n");
1912 for (n
= 0; n
< hdesc
->bNumDescriptors
; n
++)
1913 if (hdesc
->desc
[n
].bDescriptorType
== HID_DT_REPORT
)
1914 rsize
= le16_to_cpu(hdesc
->desc
[n
].wDescriptorLength
);
1916 if (!rsize
|| rsize
> HID_MAX_DESCRIPTOR_SIZE
) {
1917 dbg("weird size of report descriptor (%u)", rsize
);
1921 if (!(rdesc
= kmalloc(rsize
, GFP_KERNEL
))) {
1922 dbg("couldn't allocate rdesc memory");
1926 hid_set_idle(dev
, interface
->desc
.bInterfaceNumber
, 0, 0);
1928 if ((n
= hid_get_class_descriptor(dev
, interface
->desc
.bInterfaceNumber
, HID_DT_REPORT
, rdesc
, rsize
)) < 0) {
1929 dbg("reading report descriptor failed");
1934 if ((quirks
& HID_QUIRK_CYMOTION
))
1935 hid_fixup_cymotion_descriptor(rdesc
, rsize
);
1938 printk(KERN_DEBUG __FILE__
": report descriptor (size %u, read %d) = ", rsize
, n
);
1939 for (n
= 0; n
< rsize
; n
++)
1940 printk(" %02x", (unsigned char) rdesc
[n
]);
1944 if (!(hid
= hid_parse_report(rdesc
, n
))) {
1945 dbg("parsing report descriptor failed");
1951 hid
->quirks
= quirks
;
1953 hid
->bufsize
= HID_MIN_BUFFER_SIZE
;
1954 hid_find_max_report(hid
, HID_INPUT_REPORT
, &hid
->bufsize
);
1955 hid_find_max_report(hid
, HID_OUTPUT_REPORT
, &hid
->bufsize
);
1956 hid_find_max_report(hid
, HID_FEATURE_REPORT
, &hid
->bufsize
);
1958 if (hid
->bufsize
> HID_MAX_BUFFER_SIZE
)
1959 hid
->bufsize
= HID_MAX_BUFFER_SIZE
;
1961 hid_find_max_report(hid
, HID_INPUT_REPORT
, &insize
);
1963 if (insize
> HID_MAX_BUFFER_SIZE
)
1964 insize
= HID_MAX_BUFFER_SIZE
;
1966 if (hid_alloc_buffers(dev
, hid
)) {
1967 hid_free_buffers(dev
, hid
);
1971 for (n
= 0; n
< interface
->desc
.bNumEndpoints
; n
++) {
1973 struct usb_endpoint_descriptor
*endpoint
;
1977 endpoint
= &interface
->endpoint
[n
].desc
;
1978 if ((endpoint
->bmAttributes
& 3) != 3) /* Not an interrupt endpoint */
1981 interval
= endpoint
->bInterval
;
1983 /* Change the polling interval of mice. */
1984 if (hid
->collection
->usage
== HID_GD_MOUSE
&& hid_mousepoll_interval
> 0)
1985 interval
= hid_mousepoll_interval
;
1987 if (endpoint
->bEndpointAddress
& USB_DIR_IN
) {
1990 if (!(hid
->urbin
= usb_alloc_urb(0, GFP_KERNEL
)))
1992 pipe
= usb_rcvintpipe(dev
, endpoint
->bEndpointAddress
);
1993 usb_fill_int_urb(hid
->urbin
, dev
, pipe
, hid
->inbuf
, insize
,
1994 hid_irq_in
, hid
, interval
);
1995 hid
->urbin
->transfer_dma
= hid
->inbuf_dma
;
1996 hid
->urbin
->transfer_flags
|= URB_NO_TRANSFER_DMA_MAP
;
2000 if (!(hid
->urbout
= usb_alloc_urb(0, GFP_KERNEL
)))
2002 pipe
= usb_sndintpipe(dev
, endpoint
->bEndpointAddress
);
2003 usb_fill_int_urb(hid
->urbout
, dev
, pipe
, hid
->outbuf
, 0,
2004 hid_irq_out
, hid
, interval
);
2005 hid
->urbout
->transfer_dma
= hid
->outbuf_dma
;
2006 hid
->urbout
->transfer_flags
|= URB_NO_TRANSFER_DMA_MAP
;
2011 err("couldn't find an input interrupt endpoint");
2015 init_waitqueue_head(&hid
->wait
);
2017 INIT_WORK(&hid
->reset_work
, hid_reset
, hid
);
2018 setup_timer(&hid
->io_retry
, hid_retry_timeout
, (unsigned long) hid
);
2020 spin_lock_init(&hid
->inlock
);
2021 spin_lock_init(&hid
->outlock
);
2022 spin_lock_init(&hid
->ctrllock
);
2024 hid
->version
= le16_to_cpu(hdesc
->bcdHID
);
2025 hid
->country
= hdesc
->bCountryCode
;
2028 hid
->ifnum
= interface
->desc
.bInterfaceNumber
;
2032 if (dev
->manufacturer
)
2033 strlcpy(hid
->name
, dev
->manufacturer
, sizeof(hid
->name
));
2036 if (dev
->manufacturer
)
2037 strlcat(hid
->name
, " ", sizeof(hid
->name
));
2038 strlcat(hid
->name
, dev
->product
, sizeof(hid
->name
));
2041 if (!strlen(hid
->name
))
2042 snprintf(hid
->name
, sizeof(hid
->name
), "HID %04x:%04x",
2043 le16_to_cpu(dev
->descriptor
.idVendor
),
2044 le16_to_cpu(dev
->descriptor
.idProduct
));
2046 usb_make_path(dev
, hid
->phys
, sizeof(hid
->phys
));
2047 strlcat(hid
->phys
, "/input", sizeof(hid
->phys
));
2048 len
= strlen(hid
->phys
);
2049 if (len
< sizeof(hid
->phys
) - 1)
2050 snprintf(hid
->phys
+ len
, sizeof(hid
->phys
) - len
,
2051 "%d", intf
->altsetting
[0].desc
.bInterfaceNumber
);
2053 if (usb_string(dev
, dev
->descriptor
.iSerialNumber
, hid
->uniq
, 64) <= 0)
2056 hid
->urbctrl
= usb_alloc_urb(0, GFP_KERNEL
);
2060 usb_fill_control_urb(hid
->urbctrl
, dev
, 0, (void *) hid
->cr
,
2061 hid
->ctrlbuf
, 1, hid_ctrl
, hid
);
2062 hid
->urbctrl
->setup_dma
= hid
->cr_dma
;
2063 hid
->urbctrl
->transfer_dma
= hid
->ctrlbuf_dma
;
2064 hid
->urbctrl
->transfer_flags
|= (URB_NO_TRANSFER_DMA_MAP
| URB_NO_SETUP_DMA_MAP
);
2071 usb_free_urb(hid
->urbin
);
2073 usb_free_urb(hid
->urbout
);
2075 usb_free_urb(hid
->urbctrl
);
2076 hid_free_buffers(dev
, hid
);
2077 hid_free_device(hid
);
2082 static void hid_disconnect(struct usb_interface
*intf
)
2084 struct hid_device
*hid
= usb_get_intfdata (intf
);
2089 spin_lock_irq(&hid
->inlock
); /* Sync with error handler */
2090 usb_set_intfdata(intf
, NULL
);
2091 spin_unlock_irq(&hid
->inlock
);
2092 usb_kill_urb(hid
->urbin
);
2093 usb_kill_urb(hid
->urbout
);
2094 usb_kill_urb(hid
->urbctrl
);
2096 del_timer_sync(&hid
->io_retry
);
2097 flush_scheduled_work();
2099 if (hid
->claimed
& HID_CLAIMED_INPUT
)
2100 hidinput_disconnect(hid
);
2101 if (hid
->claimed
& HID_CLAIMED_HIDDEV
)
2102 hiddev_disconnect(hid
);
2104 usb_free_urb(hid
->urbin
);
2105 usb_free_urb(hid
->urbctrl
);
2107 usb_free_urb(hid
->urbout
);
2109 hid_free_buffers(hid
->dev
, hid
);
2110 hid_free_device(hid
);
2113 static int hid_probe(struct usb_interface
*intf
, const struct usb_device_id
*id
)
2115 struct hid_device
*hid
;
2120 dbg("HID probe called for ifnum %d",
2121 intf
->altsetting
->desc
.bInterfaceNumber
);
2123 if (!(hid
= usb_hid_configure(intf
)))
2126 hid_init_reports(hid
);
2127 hid_dump_device(hid
);
2129 if (!hidinput_connect(hid
))
2130 hid
->claimed
|= HID_CLAIMED_INPUT
;
2131 if (!hiddev_connect(hid
))
2132 hid
->claimed
|= HID_CLAIMED_HIDDEV
;
2134 usb_set_intfdata(intf
, hid
);
2136 if (!hid
->claimed
) {
2137 printk ("HID device not claimed by input or hiddev\n");
2138 hid_disconnect(intf
);
2144 if (hid
->claimed
& HID_CLAIMED_INPUT
)
2146 if (hid
->claimed
== (HID_CLAIMED_INPUT
| HID_CLAIMED_HIDDEV
))
2148 if (hid
->claimed
& HID_CLAIMED_HIDDEV
)
2149 printk("hiddev%d", hid
->minor
);
2152 for (i
= 0; i
< hid
->maxcollection
; i
++) {
2153 if (hid
->collection
[i
].type
== HID_COLLECTION_APPLICATION
&&
2154 (hid
->collection
[i
].usage
& HID_USAGE_PAGE
) == HID_UP_GENDESK
&&
2155 (hid
->collection
[i
].usage
& 0xffff) < ARRAY_SIZE(hid_types
)) {
2156 c
= hid_types
[hid
->collection
[i
].usage
& 0xffff];
2161 usb_make_path(interface_to_usbdev(intf
), path
, 63);
2163 printk(": USB HID v%x.%02x %s [%s] on %s\n",
2164 hid
->version
>> 8, hid
->version
& 0xff, c
, hid
->name
, path
);
2169 static int hid_suspend(struct usb_interface
*intf
, pm_message_t message
)
2171 struct hid_device
*hid
= usb_get_intfdata (intf
);
2173 spin_lock_irq(&hid
->inlock
); /* Sync with error handler */
2174 set_bit(HID_SUSPENDED
, &hid
->iofl
);
2175 spin_unlock_irq(&hid
->inlock
);
2176 del_timer(&hid
->io_retry
);
2177 usb_kill_urb(hid
->urbin
);
2178 dev_dbg(&intf
->dev
, "suspend\n");
2182 static int hid_resume(struct usb_interface
*intf
)
2184 struct hid_device
*hid
= usb_get_intfdata (intf
);
2187 clear_bit(HID_SUSPENDED
, &hid
->iofl
);
2188 hid
->retry_delay
= 0;
2189 status
= hid_start_in(hid
);
2190 dev_dbg(&intf
->dev
, "resume status %d\n", status
);
2194 /* Treat USB reset pretty much the same as suspend/resume */
2195 static void hid_pre_reset(struct usb_interface
*intf
)
2197 /* FIXME: What if the interface is already suspended? */
2198 hid_suspend(intf
, PMSG_ON
);
2201 static void hid_post_reset(struct usb_interface
*intf
)
2203 struct usb_device
*dev
= interface_to_usbdev (intf
);
2205 hid_set_idle(dev
, intf
->cur_altsetting
->desc
.bInterfaceNumber
, 0, 0);
2206 /* FIXME: Any more reinitialization needed? */
2211 static struct usb_device_id hid_usb_ids
[] = {
2212 { .match_flags
= USB_DEVICE_ID_MATCH_INT_CLASS
,
2213 .bInterfaceClass
= USB_INTERFACE_CLASS_HID
},
2214 { } /* Terminating entry */
2217 MODULE_DEVICE_TABLE (usb
, hid_usb_ids
);
2219 static struct usb_driver hid_driver
= {
2222 .disconnect
= hid_disconnect
,
2223 .suspend
= hid_suspend
,
2224 .resume
= hid_resume
,
2225 .pre_reset
= hid_pre_reset
,
2226 .post_reset
= hid_post_reset
,
2227 .id_table
= hid_usb_ids
,
2230 static int __init
hid_init(void)
2233 retval
= hiddev_init();
2235 goto hiddev_init_fail
;
2236 retval
= usb_register(&hid_driver
);
2238 goto usb_register_fail
;
2239 info(DRIVER_VERSION
":" DRIVER_DESC
);
2248 static void __exit
hid_exit(void)
2250 usb_deregister(&hid_driver
);
2254 module_init(hid_init
);
2255 module_exit(hid_exit
);
2257 MODULE_AUTHOR(DRIVER_AUTHOR
);
2258 MODULE_DESCRIPTION(DRIVER_DESC
);
2259 MODULE_LICENSE(DRIVER_LICENSE
);