2 * 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
7 * Copyright (c) 2006-2007 Jiri Kosina
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the Free
13 * Software Foundation; either version 2 of the License, or (at your option)
17 #include <linux/module.h>
18 #include <linux/slab.h>
19 #include <linux/init.h>
20 #include <linux/kernel.h>
21 #include <linux/list.h>
23 #include <linux/spinlock.h>
24 #include <asm/unaligned.h>
25 #include <asm/byteorder.h>
26 #include <linux/input.h>
27 #include <linux/wait.h>
28 #include <linux/vmalloc.h>
29 #include <linux/sched.h>
31 #include <linux/hid.h>
32 #include <linux/hiddev.h>
33 #include <linux/hid-debug.h>
34 #include <linux/hidraw.h>
42 #define DRIVER_VERSION "v2.6"
43 #define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik, Jiri Kosina"
44 #define DRIVER_DESC "HID core driver"
45 #define DRIVER_LICENSE "GPL"
47 #ifdef CONFIG_HID_DEBUG
49 module_param_named(debug
, hid_debug
, int, 0600);
50 MODULE_PARM_DESC(debug
, "HID debugging (0=off, 1=probing info, 2=continuous data dumping)");
51 EXPORT_SYMBOL_GPL(hid_debug
);
55 * Register a new report for a device.
58 static struct hid_report
*hid_register_report(struct hid_device
*device
, unsigned type
, unsigned id
)
60 struct hid_report_enum
*report_enum
= device
->report_enum
+ type
;
61 struct hid_report
*report
;
63 if (report_enum
->report_id_hash
[id
])
64 return report_enum
->report_id_hash
[id
];
66 if (!(report
= kzalloc(sizeof(struct hid_report
), GFP_KERNEL
)))
70 report_enum
->numbered
= 1;
75 report
->device
= device
;
76 report_enum
->report_id_hash
[id
] = report
;
78 list_add_tail(&report
->list
, &report_enum
->report_list
);
84 * Register a new field for this report.
87 static struct hid_field
*hid_register_field(struct hid_report
*report
, unsigned usages
, unsigned values
)
89 struct hid_field
*field
;
91 if (report
->maxfield
== HID_MAX_FIELDS
) {
92 dbg_hid("too many fields in report\n");
96 if (!(field
= kzalloc(sizeof(struct hid_field
) + usages
* sizeof(struct hid_usage
)
97 + values
* sizeof(unsigned), GFP_KERNEL
))) return NULL
;
99 field
->index
= report
->maxfield
++;
100 report
->field
[field
->index
] = field
;
101 field
->usage
= (struct hid_usage
*)(field
+ 1);
102 field
->value
= (s32
*)(field
->usage
+ usages
);
103 field
->report
= report
;
109 * Open a collection. The type/usage is pushed on the stack.
112 static int open_collection(struct hid_parser
*parser
, unsigned type
)
114 struct hid_collection
*collection
;
117 usage
= parser
->local
.usage
[0];
119 if (parser
->collection_stack_ptr
== HID_COLLECTION_STACK_SIZE
) {
120 dbg_hid("collection stack overflow\n");
124 if (parser
->device
->maxcollection
== parser
->device
->collection_size
) {
125 collection
= kmalloc(sizeof(struct hid_collection
) *
126 parser
->device
->collection_size
* 2, GFP_KERNEL
);
127 if (collection
== NULL
) {
128 dbg_hid("failed to reallocate collection array\n");
131 memcpy(collection
, parser
->device
->collection
,
132 sizeof(struct hid_collection
) *
133 parser
->device
->collection_size
);
134 memset(collection
+ parser
->device
->collection_size
, 0,
135 sizeof(struct hid_collection
) *
136 parser
->device
->collection_size
);
137 kfree(parser
->device
->collection
);
138 parser
->device
->collection
= collection
;
139 parser
->device
->collection_size
*= 2;
142 parser
->collection_stack
[parser
->collection_stack_ptr
++] =
143 parser
->device
->maxcollection
;
145 collection
= parser
->device
->collection
+
146 parser
->device
->maxcollection
++;
147 collection
->type
= type
;
148 collection
->usage
= usage
;
149 collection
->level
= parser
->collection_stack_ptr
- 1;
151 if (type
== HID_COLLECTION_APPLICATION
)
152 parser
->device
->maxapplication
++;
158 * Close a collection.
161 static int close_collection(struct hid_parser
*parser
)
163 if (!parser
->collection_stack_ptr
) {
164 dbg_hid("collection stack underflow\n");
167 parser
->collection_stack_ptr
--;
172 * Climb up the stack, search for the specified collection type
173 * and return the usage.
176 static unsigned hid_lookup_collection(struct hid_parser
*parser
, unsigned type
)
179 for (n
= parser
->collection_stack_ptr
- 1; n
>= 0; n
--)
180 if (parser
->device
->collection
[parser
->collection_stack
[n
]].type
== type
)
181 return parser
->device
->collection
[parser
->collection_stack
[n
]].usage
;
182 return 0; /* we know nothing about this usage type */
186 * Add a usage to the temporary parser table.
189 static int hid_add_usage(struct hid_parser
*parser
, unsigned usage
)
191 if (parser
->local
.usage_index
>= HID_MAX_USAGES
) {
192 dbg_hid("usage index exceeded\n");
195 parser
->local
.usage
[parser
->local
.usage_index
] = usage
;
196 parser
->local
.collection_index
[parser
->local
.usage_index
] =
197 parser
->collection_stack_ptr
?
198 parser
->collection_stack
[parser
->collection_stack_ptr
- 1] : 0;
199 parser
->local
.usage_index
++;
204 * Register a new field for this report.
207 static int hid_add_field(struct hid_parser
*parser
, unsigned report_type
, unsigned flags
)
209 struct hid_report
*report
;
210 struct hid_field
*field
;
215 if (!(report
= hid_register_report(parser
->device
, report_type
, parser
->global
.report_id
))) {
216 dbg_hid("hid_register_report failed\n");
220 if (parser
->global
.logical_maximum
< parser
->global
.logical_minimum
) {
221 dbg_hid("logical range invalid %d %d\n", parser
->global
.logical_minimum
, parser
->global
.logical_maximum
);
225 offset
= report
->size
;
226 report
->size
+= parser
->global
.report_size
* parser
->global
.report_count
;
228 if (!parser
->local
.usage_index
) /* Ignore padding fields */
231 usages
= max_t(int, parser
->local
.usage_index
, parser
->global
.report_count
);
233 if ((field
= hid_register_field(report
, usages
, parser
->global
.report_count
)) == NULL
)
236 field
->physical
= hid_lookup_collection(parser
, HID_COLLECTION_PHYSICAL
);
237 field
->logical
= hid_lookup_collection(parser
, HID_COLLECTION_LOGICAL
);
238 field
->application
= hid_lookup_collection(parser
, HID_COLLECTION_APPLICATION
);
240 for (i
= 0; i
< usages
; i
++) {
242 /* Duplicate the last usage we parsed if we have excess values */
243 if (i
>= parser
->local
.usage_index
)
244 j
= parser
->local
.usage_index
- 1;
245 field
->usage
[i
].hid
= parser
->local
.usage
[j
];
246 field
->usage
[i
].collection_index
=
247 parser
->local
.collection_index
[j
];
250 field
->maxusage
= usages
;
251 field
->flags
= flags
;
252 field
->report_offset
= offset
;
253 field
->report_type
= report_type
;
254 field
->report_size
= parser
->global
.report_size
;
255 field
->report_count
= parser
->global
.report_count
;
256 field
->logical_minimum
= parser
->global
.logical_minimum
;
257 field
->logical_maximum
= parser
->global
.logical_maximum
;
258 field
->physical_minimum
= parser
->global
.physical_minimum
;
259 field
->physical_maximum
= parser
->global
.physical_maximum
;
260 field
->unit_exponent
= parser
->global
.unit_exponent
;
261 field
->unit
= parser
->global
.unit
;
267 * Read data value from item.
270 static u32
item_udata(struct hid_item
*item
)
272 switch (item
->size
) {
273 case 1: return item
->data
.u8
;
274 case 2: return item
->data
.u16
;
275 case 4: return item
->data
.u32
;
280 static s32
item_sdata(struct hid_item
*item
)
282 switch (item
->size
) {
283 case 1: return item
->data
.s8
;
284 case 2: return item
->data
.s16
;
285 case 4: return item
->data
.s32
;
291 * Process a global item.
294 static int hid_parser_global(struct hid_parser
*parser
, struct hid_item
*item
)
297 case HID_GLOBAL_ITEM_TAG_PUSH
:
299 if (parser
->global_stack_ptr
== HID_GLOBAL_STACK_SIZE
) {
300 dbg_hid("global enviroment stack overflow\n");
304 memcpy(parser
->global_stack
+ parser
->global_stack_ptr
++,
305 &parser
->global
, sizeof(struct hid_global
));
308 case HID_GLOBAL_ITEM_TAG_POP
:
310 if (!parser
->global_stack_ptr
) {
311 dbg_hid("global enviroment stack underflow\n");
315 memcpy(&parser
->global
, parser
->global_stack
+
316 --parser
->global_stack_ptr
, sizeof(struct hid_global
));
319 case HID_GLOBAL_ITEM_TAG_USAGE_PAGE
:
320 parser
->global
.usage_page
= item_udata(item
);
323 case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM
:
324 parser
->global
.logical_minimum
= item_sdata(item
);
327 case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM
:
328 if (parser
->global
.logical_minimum
< 0)
329 parser
->global
.logical_maximum
= item_sdata(item
);
331 parser
->global
.logical_maximum
= item_udata(item
);
334 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM
:
335 parser
->global
.physical_minimum
= item_sdata(item
);
338 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM
:
339 if (parser
->global
.physical_minimum
< 0)
340 parser
->global
.physical_maximum
= item_sdata(item
);
342 parser
->global
.physical_maximum
= item_udata(item
);
345 case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT
:
346 parser
->global
.unit_exponent
= item_sdata(item
);
349 case HID_GLOBAL_ITEM_TAG_UNIT
:
350 parser
->global
.unit
= item_udata(item
);
353 case HID_GLOBAL_ITEM_TAG_REPORT_SIZE
:
354 parser
->global
.report_size
= item_udata(item
);
355 if (parser
->global
.report_size
> 32) {
356 dbg_hid("invalid report_size %d\n",
357 parser
->global
.report_size
);
362 case HID_GLOBAL_ITEM_TAG_REPORT_COUNT
:
363 parser
->global
.report_count
= item_udata(item
);
364 if (parser
->global
.report_count
> HID_MAX_USAGES
) {
365 dbg_hid("invalid report_count %d\n",
366 parser
->global
.report_count
);
371 case HID_GLOBAL_ITEM_TAG_REPORT_ID
:
372 parser
->global
.report_id
= item_udata(item
);
373 if (parser
->global
.report_id
== 0) {
374 dbg_hid("report_id 0 is invalid\n");
380 dbg_hid("unknown global tag 0x%x\n", item
->tag
);
386 * Process a local item.
389 static int hid_parser_local(struct hid_parser
*parser
, struct hid_item
*item
)
394 if (item
->size
== 0) {
395 dbg_hid("item data expected for local item\n");
399 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_hid("nested delimiters\n");
415 parser
->local
.delimiter_depth
++;
416 parser
->local
.delimiter_branch
++;
418 if (parser
->local
.delimiter_depth
< 1) {
419 dbg_hid("bogus close delimiter\n");
422 parser
->local
.delimiter_depth
--;
426 case HID_LOCAL_ITEM_TAG_USAGE
:
428 if (parser
->local
.delimiter_branch
> 1) {
429 dbg_hid("alternative usage ignored\n");
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_hid("alternative usage ignored\n");
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_hid("alternative usage ignored\n");
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("hid_add_usage failed\n");
470 dbg_hid("unknown local item tag 0x%x\n", 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_hid("unknown main item tag 0x%x\n", 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_hid("reserved item type, tag 0x%x\n", 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_device_release(struct device
*dev
)
544 struct hid_device
*device
= container_of(dev
, struct hid_device
, dev
);
547 for (i
= 0; i
< HID_REPORT_TYPES
; i
++) {
548 struct hid_report_enum
*report_enum
= device
->report_enum
+ i
;
550 for (j
= 0; j
< 256; j
++) {
551 struct hid_report
*report
= report_enum
->report_id_hash
[j
];
553 hid_free_report(report
);
557 kfree(device
->rdesc
);
558 kfree(device
->collection
);
563 * Fetch a report description item from the data stream. We support long
564 * items, though they are not used yet.
567 static u8
*fetch_item(__u8
*start
, __u8
*end
, struct hid_item
*item
)
571 if ((end
- start
) <= 0)
576 item
->type
= (b
>> 2) & 3;
577 item
->tag
= (b
>> 4) & 15;
579 if (item
->tag
== HID_ITEM_TAG_LONG
) {
581 item
->format
= HID_ITEM_FORMAT_LONG
;
583 if ((end
- start
) < 2)
586 item
->size
= *start
++;
587 item
->tag
= *start
++;
589 if ((end
- start
) < item
->size
)
592 item
->data
.longdata
= start
;
597 item
->format
= HID_ITEM_FORMAT_SHORT
;
600 switch (item
->size
) {
605 if ((end
- start
) < 1)
607 item
->data
.u8
= *start
++;
611 if ((end
- start
) < 2)
613 item
->data
.u16
= get_unaligned_le16(start
);
614 start
= (__u8
*)((__le16
*)start
+ 1);
619 if ((end
- start
) < 4)
621 item
->data
.u32
= get_unaligned_le32(start
);
622 start
= (__u8
*)((__le32
*)start
+ 1);
630 * hid_parse_report - parse device report
632 * @device: hid device
633 * @start: report start
636 * Parse a report description into a hid_device structure. Reports are
637 * enumerated, fields are attached to these reports.
638 * 0 returned on success, otherwise nonzero error value.
640 int hid_parse_report(struct hid_device
*device
, __u8
*start
,
643 struct hid_parser
*parser
;
644 struct hid_item item
;
647 static int (*dispatch_type
[])(struct hid_parser
*parser
,
648 struct hid_item
*item
) = {
655 if (device
->driver
->report_fixup
)
656 device
->driver
->report_fixup(device
, start
, size
);
658 device
->rdesc
= kmalloc(size
, GFP_KERNEL
);
659 if (device
->rdesc
== NULL
)
661 memcpy(device
->rdesc
, start
, size
);
662 device
->rsize
= size
;
664 parser
= vmalloc(sizeof(struct hid_parser
));
670 memset(parser
, 0, sizeof(struct hid_parser
));
671 parser
->device
= device
;
675 while ((start
= fetch_item(start
, end
, &item
)) != NULL
) {
677 if (item
.format
!= HID_ITEM_FORMAT_SHORT
) {
678 dbg_hid("unexpected long global item\n");
682 if (dispatch_type
[item
.type
](parser
, &item
)) {
683 dbg_hid("item %u %u %u %u parsing failed\n",
684 item
.format
, (unsigned)item
.size
, (unsigned)item
.type
, (unsigned)item
.tag
);
689 if (parser
->collection_stack_ptr
) {
690 dbg_hid("unbalanced collection at end of report description\n");
693 if (parser
->local
.delimiter_depth
) {
694 dbg_hid("unbalanced delimiter at end of report description\n");
702 dbg_hid("item fetching failed at offset %d\n", (int)(end
- start
));
707 EXPORT_SYMBOL_GPL(hid_parse_report
);
710 * Convert a signed n-bit integer to signed 32-bit integer. Common
711 * cases are done through the compiler, the screwed things has to be
715 static s32
snto32(__u32 value
, unsigned n
)
718 case 8: return ((__s8
)value
);
719 case 16: return ((__s16
)value
);
720 case 32: return ((__s32
)value
);
722 return value
& (1 << (n
- 1)) ? value
| (-1 << n
) : value
;
726 * Convert a signed 32-bit integer to a signed n-bit integer.
729 static u32
s32ton(__s32 value
, unsigned n
)
731 s32 a
= value
>> (n
- 1);
733 return value
< 0 ? 1 << (n
- 1) : (1 << (n
- 1)) - 1;
734 return value
& ((1 << n
) - 1);
738 * Extract/implement a data field from/to a little endian report (bit array).
740 * Code sort-of follows HID spec:
741 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf
743 * While the USB HID spec allows unlimited length bit fields in "report
744 * descriptors", most devices never use more than 16 bits.
745 * One model of UPS is claimed to report "LINEV" as a 32-bit field.
746 * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
749 static __inline__ __u32
extract(__u8
*report
, unsigned offset
, unsigned n
)
754 printk(KERN_WARNING
"HID: extract() called with n (%d) > 32! (%s)\n",
757 report
+= offset
>> 3; /* adjust byte index */
758 offset
&= 7; /* now only need bit offset into one byte */
759 x
= get_unaligned_le64(report
);
760 x
= (x
>> offset
) & ((1ULL << n
) - 1); /* extract bit field */
765 * "implement" : set bits in a little endian bit stream.
766 * Same concepts as "extract" (see comments above).
767 * The data mangled in the bit stream remains in little endian
768 * order the whole time. It make more sense to talk about
769 * endianness of register values by considering a register
770 * a "cached" copy of the little endiad bit stream.
772 static __inline__
void implement(__u8
*report
, unsigned offset
, unsigned n
, __u32 value
)
775 u64 m
= (1ULL << n
) - 1;
778 printk(KERN_WARNING
"HID: implement() called with n (%d) > 32! (%s)\n",
782 printk(KERN_WARNING
"HID: implement() called with too large value %d! (%s)\n",
783 value
, current
->comm
);
787 report
+= offset
>> 3;
790 x
= get_unaligned_le64(report
);
792 x
|= ((u64
)value
) << offset
;
793 put_unaligned_le64(x
, report
);
797 * Search an array for a value.
800 static __inline__
int search(__s32
*array
, __s32 value
, unsigned n
)
803 if (*array
++ == value
)
810 * hid_match_report - check if driver's raw_event should be called
813 * @report_type: type to match against
815 * compare hid->driver->report_table->report_type to report->type
817 static int hid_match_report(struct hid_device
*hid
, struct hid_report
*report
)
819 const struct hid_report_id
*id
= hid
->driver
->report_table
;
821 if (!id
) /* NULL means all */
824 for (; id
->report_type
!= HID_TERMINATOR
; id
++)
825 if (id
->report_type
== HID_ANY_ID
||
826 id
->report_type
== report
->type
)
832 * hid_match_usage - check if driver's event should be called
835 * @usage: usage to match against
837 * compare hid->driver->usage_table->usage_{type,code} to
838 * usage->usage_{type,code}
840 static int hid_match_usage(struct hid_device
*hid
, struct hid_usage
*usage
)
842 const struct hid_usage_id
*id
= hid
->driver
->usage_table
;
844 if (!id
) /* NULL means all */
847 for (; id
->usage_type
!= HID_ANY_ID
- 1; id
++)
848 if ((id
->usage_hid
== HID_ANY_ID
||
849 id
->usage_hid
== usage
->hid
) &&
850 (id
->usage_type
== HID_ANY_ID
||
851 id
->usage_type
== usage
->type
) &&
852 (id
->usage_code
== HID_ANY_ID
||
853 id
->usage_code
== usage
->code
))
858 static void hid_process_event(struct hid_device
*hid
, struct hid_field
*field
,
859 struct hid_usage
*usage
, __s32 value
, int interrupt
)
861 struct hid_driver
*hdrv
= hid
->driver
;
864 hid_dump_input(usage
, value
);
866 if (hdrv
&& hdrv
->event
&& hid_match_usage(hid
, usage
)) {
867 ret
= hdrv
->event(hid
, field
, usage
, value
);
870 dbg_hid("%s's event failed with %d\n",
876 if (hid
->claimed
& HID_CLAIMED_INPUT
)
877 hidinput_hid_event(hid
, field
, usage
, value
);
878 if (hid
->claimed
& HID_CLAIMED_HIDDEV
&& interrupt
&& hid
->hiddev_hid_event
)
879 hid
->hiddev_hid_event(hid
, field
, usage
, value
);
883 * Analyse a received field, and fetch the data from it. The field
884 * content is stored for next report processing (we do differential
885 * reporting to the layer).
888 static void hid_input_field(struct hid_device
*hid
, struct hid_field
*field
,
889 __u8
*data
, int interrupt
)
892 unsigned count
= field
->report_count
;
893 unsigned offset
= field
->report_offset
;
894 unsigned size
= field
->report_size
;
895 __s32 min
= field
->logical_minimum
;
896 __s32 max
= field
->logical_maximum
;
899 if (!(value
= kmalloc(sizeof(__s32
) * count
, GFP_ATOMIC
)))
902 for (n
= 0; n
< count
; n
++) {
904 value
[n
] = min
< 0 ? snto32(extract(data
, offset
+ n
* size
, size
), size
) :
905 extract(data
, offset
+ n
* size
, size
);
907 if (!(field
->flags
& HID_MAIN_ITEM_VARIABLE
) /* Ignore report if ErrorRollOver */
908 && value
[n
] >= min
&& value
[n
] <= max
909 && field
->usage
[value
[n
] - min
].hid
== HID_UP_KEYBOARD
+ 1)
913 for (n
= 0; n
< count
; n
++) {
915 if (HID_MAIN_ITEM_VARIABLE
& field
->flags
) {
916 hid_process_event(hid
, field
, &field
->usage
[n
], value
[n
], interrupt
);
920 if (field
->value
[n
] >= min
&& field
->value
[n
] <= max
921 && field
->usage
[field
->value
[n
] - min
].hid
922 && search(value
, field
->value
[n
], count
))
923 hid_process_event(hid
, field
, &field
->usage
[field
->value
[n
] - min
], 0, interrupt
);
925 if (value
[n
] >= min
&& value
[n
] <= max
926 && field
->usage
[value
[n
] - min
].hid
927 && search(field
->value
, value
[n
], count
))
928 hid_process_event(hid
, field
, &field
->usage
[value
[n
] - min
], 1, interrupt
);
931 memcpy(field
->value
, value
, count
* sizeof(__s32
));
937 * Output the field into the report.
940 static void hid_output_field(struct hid_field
*field
, __u8
*data
)
942 unsigned count
= field
->report_count
;
943 unsigned offset
= field
->report_offset
;
944 unsigned size
= field
->report_size
;
945 unsigned bitsused
= offset
+ count
* size
;
948 /* make sure the unused bits in the last byte are zeros */
949 if (count
> 0 && size
> 0 && (bitsused
% 8) != 0)
950 data
[(bitsused
-1)/8] &= (1 << (bitsused
% 8)) - 1;
952 for (n
= 0; n
< count
; n
++) {
953 if (field
->logical_minimum
< 0) /* signed values */
954 implement(data
, offset
+ n
* size
, size
, s32ton(field
->value
[n
], size
));
955 else /* unsigned values */
956 implement(data
, offset
+ n
* size
, size
, field
->value
[n
]);
964 void hid_output_report(struct hid_report
*report
, __u8
*data
)
969 *data
++ = report
->id
;
971 for (n
= 0; n
< report
->maxfield
; n
++)
972 hid_output_field(report
->field
[n
], data
);
974 EXPORT_SYMBOL_GPL(hid_output_report
);
977 * Set a field value. The report this field belongs to has to be
978 * created and transferred to the device, to set this value in the
982 int hid_set_field(struct hid_field
*field
, unsigned offset
, __s32 value
)
984 unsigned size
= field
->report_size
;
986 hid_dump_input(field
->usage
+ offset
, value
);
988 if (offset
>= field
->report_count
) {
989 dbg_hid("offset (%d) exceeds report_count (%d)\n", offset
, field
->report_count
);
990 hid_dump_field(field
, 8);
993 if (field
->logical_minimum
< 0) {
994 if (value
!= snto32(s32ton(value
, size
), size
)) {
995 dbg_hid("value %d is out of range\n", value
);
999 field
->value
[offset
] = value
;
1002 EXPORT_SYMBOL_GPL(hid_set_field
);
1004 static struct hid_report
*hid_get_report(struct hid_report_enum
*report_enum
,
1007 struct hid_report
*report
;
1008 unsigned int n
= 0; /* Normally report number is 0 */
1010 /* Device uses numbered reports, data[0] is report number */
1011 if (report_enum
->numbered
)
1014 report
= report_enum
->report_id_hash
[n
];
1016 dbg_hid("undefined report_id %u received\n", n
);
1021 void hid_report_raw_event(struct hid_device
*hid
, int type
, u8
*data
, int size
,
1024 struct hid_report_enum
*report_enum
= hid
->report_enum
+ type
;
1025 struct hid_report
*report
;
1027 int rsize
, csize
= size
;
1030 report
= hid_get_report(report_enum
, data
);
1034 if (report_enum
->numbered
) {
1039 rsize
= ((report
->size
- 1) >> 3) + 1;
1041 if (csize
< rsize
) {
1042 dbg_hid("report %d is too short, (%d < %d)\n", report
->id
,
1044 memset(cdata
+ csize
, 0, rsize
- csize
);
1047 if ((hid
->claimed
& HID_CLAIMED_HIDDEV
) && hid
->hiddev_report_event
)
1048 hid
->hiddev_report_event(hid
, report
);
1049 if (hid
->claimed
& HID_CLAIMED_HIDRAW
) {
1050 /* numbered reports need to be passed with the report num */
1051 if (report_enum
->numbered
)
1052 hidraw_report_event(hid
, data
- 1, size
+ 1);
1054 hidraw_report_event(hid
, data
, size
);
1057 for (a
= 0; a
< report
->maxfield
; a
++)
1058 hid_input_field(hid
, report
->field
[a
], cdata
, interrupt
);
1060 if (hid
->claimed
& HID_CLAIMED_INPUT
)
1061 hidinput_report_event(hid
, report
);
1063 EXPORT_SYMBOL_GPL(hid_report_raw_event
);
1066 * hid_input_report - report data from lower layer (usb, bt...)
1069 * @type: HID report type (HID_*_REPORT)
1070 * @data: report contents
1071 * @size: size of data parameter
1072 * @interrupt: called from atomic?
1074 * This is data entry for lower layers.
1076 int hid_input_report(struct hid_device
*hid
, int type
, u8
*data
, int size
, int interrupt
)
1078 struct hid_report_enum
*report_enum
= hid
->report_enum
+ type
;
1079 struct hid_driver
*hdrv
= hid
->driver
;
1080 struct hid_report
*report
;
1084 if (!hid
|| !hid
->driver
)
1088 dbg_hid("empty report\n");
1092 dbg_hid("report (size %u) (%snumbered)\n", size
, report_enum
->numbered
? "" : "un");
1094 report
= hid_get_report(report_enum
, data
);
1098 /* dump the report */
1099 dbg_hid("report %d (size %u) = ", report
->id
, size
);
1100 for (i
= 0; i
< size
; i
++)
1101 dbg_hid_line(" %02x", data
[i
]);
1104 if (hdrv
&& hdrv
->raw_event
&& hid_match_report(hid
, report
)) {
1105 ret
= hdrv
->raw_event(hid
, report
, data
, size
);
1107 return ret
< 0 ? ret
: 0;
1110 hid_report_raw_event(hid
, type
, data
, size
, interrupt
);
1114 EXPORT_SYMBOL_GPL(hid_input_report
);
1116 static bool hid_match_one_id(struct hid_device
*hdev
,
1117 const struct hid_device_id
*id
)
1119 return id
->bus
== hdev
->bus
&&
1120 (id
->vendor
== HID_ANY_ID
|| id
->vendor
== hdev
->vendor
) &&
1121 (id
->product
== HID_ANY_ID
|| id
->product
== hdev
->product
);
1124 static const struct hid_device_id
*hid_match_id(struct hid_device
*hdev
,
1125 const struct hid_device_id
*id
)
1127 for (; id
->bus
; id
++)
1128 if (hid_match_one_id(hdev
, id
))
1134 static const struct hid_device_id hid_hiddev_list
[] = {
1135 { HID_USB_DEVICE(USB_VENDOR_ID_MGE
, USB_DEVICE_ID_MGE_UPS
) },
1136 { HID_USB_DEVICE(USB_VENDOR_ID_MGE
, USB_DEVICE_ID_MGE_UPS1
) },
1140 static bool hid_hiddev(struct hid_device
*hdev
)
1142 return !!hid_match_id(hdev
, hid_hiddev_list
);
1145 int hid_connect(struct hid_device
*hdev
, unsigned int connect_mask
)
1147 static const char *types
[] = { "Device", "Pointer", "Mouse", "Device",
1148 "Joystick", "Gamepad", "Keyboard", "Keypad",
1149 "Multi-Axis Controller"
1151 const char *type
, *bus
;
1156 if (hdev
->bus
!= BUS_USB
)
1157 connect_mask
&= ~HID_CONNECT_HIDDEV
;
1158 if (hid_hiddev(hdev
))
1159 connect_mask
|= HID_CONNECT_HIDDEV_FORCE
;
1161 if ((connect_mask
& HID_CONNECT_HIDINPUT
) && !hidinput_connect(hdev
,
1162 connect_mask
& HID_CONNECT_HIDINPUT_FORCE
))
1163 hdev
->claimed
|= HID_CLAIMED_INPUT
;
1164 if ((connect_mask
& HID_CONNECT_HIDDEV
) && hdev
->hiddev_connect
&&
1165 !hdev
->hiddev_connect(hdev
,
1166 connect_mask
& HID_CONNECT_HIDDEV_FORCE
))
1167 hdev
->claimed
|= HID_CLAIMED_HIDDEV
;
1168 if ((connect_mask
& HID_CONNECT_HIDRAW
) && !hidraw_connect(hdev
))
1169 hdev
->claimed
|= HID_CLAIMED_HIDRAW
;
1171 if (!hdev
->claimed
) {
1172 dev_err(&hdev
->dev
, "claimed by neither input, hiddev nor "
1177 if ((hdev
->claimed
& HID_CLAIMED_INPUT
) &&
1178 (connect_mask
& HID_CONNECT_FF
) && hdev
->ff_init
)
1179 hdev
->ff_init(hdev
);
1182 if (hdev
->claimed
& HID_CLAIMED_INPUT
)
1183 len
+= sprintf(buf
+ len
, "input");
1184 if (hdev
->claimed
& HID_CLAIMED_HIDDEV
)
1185 len
+= sprintf(buf
+ len
, "%shiddev%d", len
? "," : "",
1187 if (hdev
->claimed
& HID_CLAIMED_HIDRAW
)
1188 len
+= sprintf(buf
+ len
, "%shidraw%d", len
? "," : "",
1189 ((struct hidraw
*)hdev
->hidraw
)->minor
);
1192 for (i
= 0; i
< hdev
->maxcollection
; i
++) {
1193 struct hid_collection
*col
= &hdev
->collection
[i
];
1194 if (col
->type
== HID_COLLECTION_APPLICATION
&&
1195 (col
->usage
& HID_USAGE_PAGE
) == HID_UP_GENDESK
&&
1196 (col
->usage
& 0xffff) < ARRAY_SIZE(types
)) {
1197 type
= types
[col
->usage
& 0xffff];
1202 switch (hdev
->bus
) {
1213 dev_info(&hdev
->dev
, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1214 buf
, bus
, hdev
->version
>> 8, hdev
->version
& 0xff,
1215 type
, hdev
->name
, hdev
->phys
);
1219 EXPORT_SYMBOL_GPL(hid_connect
);
1221 static const struct hid_device_id hid_blacklist
[] = {
1222 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH
, USB_DEVICE_ID_A4TECH_WCP32PU
) },
1223 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH
, USB_DEVICE_ID_A4TECH_X5_005D
) },
1224 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_ATV_IRCONTROL
) },
1225 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_IRCONTROL4
) },
1226 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_MIGHTYMOUSE
) },
1227 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI
) },
1228 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO
) },
1229 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER_ANSI
) },
1230 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER_ISO
) },
1231 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER_JIS
) },
1232 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER3_ANSI
) },
1233 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER3_ISO
) },
1234 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER3_JIS
) },
1235 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER4_ANSI
) },
1236 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER4_ISO
) },
1237 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER4_JIS
) },
1238 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_ALU_ANSI
) },
1239 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_ALU_ISO
) },
1240 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_ALU_JIS
) },
1241 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI
) },
1242 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO
) },
1243 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS
) },
1244 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI
) },
1245 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO
) },
1246 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS
) },
1247 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI
) },
1248 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_WELLSPRING_ISO
) },
1249 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_WELLSPRING_JIS
) },
1250 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI
) },
1251 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO
) },
1252 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS
) },
1253 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI
) },
1254 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO
) },
1255 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS
) },
1256 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY
) },
1257 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY
) },
1258 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN
, USB_DEVICE_ID_FLIP_KVM
) },
1259 { HID_USB_DEVICE(USB_VENDOR_ID_BRIGHT
, USB_DEVICE_ID_BRIGHT_ABNT2
) },
1260 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY
, USB_DEVICE_ID_CHERRY_CYMOTION
) },
1261 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY
, USB_DEVICE_ID_CHICONY_TACTICAL_PAD
) },
1262 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS
, USB_DEVICE_ID_CYPRESS_BARCODE_1
) },
1263 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS
, USB_DEVICE_ID_CYPRESS_BARCODE_2
) },
1264 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS
, USB_DEVICE_ID_CYPRESS_MOUSE
) },
1265 { HID_USB_DEVICE(USB_VENDOR_ID_DELL
, USB_DEVICE_ID_DELL_W7658
) },
1266 { HID_USB_DEVICE(USB_VENDOR_ID_DELL
, USB_DEVICE_ID_DELL_SK8115
) },
1267 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY
, USB_DEVICE_ID_BTC_8193
) },
1268 { HID_USB_DEVICE(USB_VENDOR_ID_GENERIC_13BA
, USB_DEVICE_ID_GENERIC_13BA_KBD_MOUSE
) },
1269 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON
, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR
) },
1270 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON
, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR
) },
1271 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA
, 0x0003) },
1272 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION
, USB_DEVICE_ID_GYRATION_REMOTE
) },
1273 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION
, USB_DEVICE_ID_GYRATION_REMOTE_2
) },
1274 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC
, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD
) },
1275 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_MX3000_RECEIVER
) },
1276 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_S510_RECEIVER
) },
1277 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_S510_RECEIVER_2
) },
1278 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_RECEIVER
) },
1279 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_DINOVO_DESKTOP
) },
1280 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_DINOVO_EDGE
) },
1281 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_DINOVO_MINI
) },
1282 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_KBD
) },
1283 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_ELITE_KBD
) },
1284 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500
) },
1285 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_EXTREME_3D
) },
1286 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_WHEEL
) },
1287 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_RUMBLEPAD
) },
1288 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2
) },
1289 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D
) },
1290 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO
) },
1291 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL
) },
1292 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2
) },
1293 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH
, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2
) },
1294 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT
, USB_DEVICE_ID_SIDEWINDER_GV
) },
1295 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT
, USB_DEVICE_ID_MS_NE4K
) },
1296 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT
, USB_DEVICE_ID_MS_LK6K
) },
1297 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT
, USB_DEVICE_ID_MS_PRESENTER_8K_USB
) },
1298 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT
, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0
) },
1299 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY
, USB_DEVICE_ID_GENIUS_KB29E
) },
1300 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX
, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE
) },
1301 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG
, USB_DEVICE_ID_SAMSUNG_IR_REMOTE
) },
1302 { HID_USB_DEVICE(USB_VENDOR_ID_SONY
, USB_DEVICE_ID_SONY_PS3_CONTROLLER
) },
1303 { HID_USB_DEVICE(USB_VENDOR_ID_SONY
, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE
) },
1304 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS
, USB_DEVICE_ID_SUNPLUS_WDESKTOP
) },
1306 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE
, 0x030c) },
1307 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT
, USB_DEVICE_ID_MS_PRESENTER_8K_BT
) },
1311 static int hid_bus_match(struct device
*dev
, struct device_driver
*drv
)
1313 struct hid_driver
*hdrv
= container_of(drv
, struct hid_driver
, driver
);
1314 struct hid_device
*hdev
= container_of(dev
, struct hid_device
, dev
);
1316 if (!hid_match_id(hdev
, hdrv
->id_table
))
1319 /* generic wants all non-blacklisted */
1320 if (!strncmp(hdrv
->name
, "generic-", 8))
1321 return !hid_match_id(hdev
, hid_blacklist
);
1326 static int hid_device_probe(struct device
*dev
)
1328 struct hid_driver
*hdrv
= container_of(dev
->driver
,
1329 struct hid_driver
, driver
);
1330 struct hid_device
*hdev
= container_of(dev
, struct hid_device
, dev
);
1331 const struct hid_device_id
*id
;
1334 if (!hdev
->driver
) {
1335 id
= hid_match_id(hdev
, hdrv
->id_table
);
1339 hdev
->driver
= hdrv
;
1341 ret
= hdrv
->probe(hdev
, id
);
1342 } else { /* default probe */
1343 ret
= hid_parse(hdev
);
1345 ret
= hid_hw_start(hdev
, HID_CONNECT_DEFAULT
);
1348 hdev
->driver
= NULL
;
1353 static int hid_device_remove(struct device
*dev
)
1355 struct hid_device
*hdev
= container_of(dev
, struct hid_device
, dev
);
1356 struct hid_driver
*hdrv
= hdev
->driver
;
1361 else /* default remove */
1363 hdev
->driver
= NULL
;
1369 static int hid_uevent(struct device
*dev
, struct kobj_uevent_env
*env
)
1371 struct hid_device
*hdev
= container_of(dev
, struct hid_device
, dev
);
1373 if (add_uevent_var(env
, "HID_ID=%04X:%08X:%08X",
1374 hdev
->bus
, hdev
->vendor
, hdev
->product
))
1377 if (add_uevent_var(env
, "HID_NAME=%s", hdev
->name
))
1380 if (add_uevent_var(env
, "HID_PHYS=%s", hdev
->phys
))
1383 if (add_uevent_var(env
, "HID_UNIQ=%s", hdev
->uniq
))
1386 if (add_uevent_var(env
, "MODALIAS=hid:b%04Xv%08Xp%08X",
1387 hdev
->bus
, hdev
->vendor
, hdev
->product
))
1393 static struct bus_type hid_bus_type
= {
1395 .match
= hid_bus_match
,
1396 .probe
= hid_device_probe
,
1397 .remove
= hid_device_remove
,
1398 .uevent
= hid_uevent
,
1401 static const struct hid_device_id hid_ignore_list
[] = {
1402 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD
, USB_DEVICE_ID_ACECAD_FLAIR
) },
1403 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD
, USB_DEVICE_ID_ACECAD_302
) },
1404 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH
, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X
) },
1405 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK
, USB_DEVICE_ID_AIPTEK_01
) },
1406 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK
, USB_DEVICE_ID_AIPTEK_10
) },
1407 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK
, USB_DEVICE_ID_AIPTEK_20
) },
1408 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK
, USB_DEVICE_ID_AIPTEK_21
) },
1409 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK
, USB_DEVICE_ID_AIPTEK_22
) },
1410 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK
, USB_DEVICE_ID_AIPTEK_23
) },
1411 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK
, USB_DEVICE_ID_AIPTEK_24
) },
1412 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE
, USB_DEVICE_ID_AIRCABLE1
) },
1413 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR
, USB_DEVICE_ID_ALCOR_USBRS232
) },
1414 { HID_USB_DEVICE(USB_VENDOR_ID_ASUS
, USB_DEVICE_ID_ASUS_LCM
)},
1415 { HID_USB_DEVICE(USB_VENDOR_ID_ASUS
, USB_DEVICE_ID_ASUS_LCM2
)},
1416 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA
, USB_DEVICE_ID_AVER_FM_MR800
) },
1417 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE
, USB_DEVICE_ID_BERKSHIRE_PCWD
) },
1418 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC
, 0x0103) },
1419 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL
, USB_DEVICE_ID_CYGNAL_RADIO_SI470X
) },
1420 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA
, USB_DEVICE_ID_CM109
) },
1421 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS
, USB_DEVICE_ID_CYPRESS_HIDCOM
) },
1422 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS
, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE
) },
1423 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME
, USB_DEVICE_ID_DELORME_EARTHMATE
) },
1424 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME
, USB_DEVICE_ID_DELORME_EM_LT20
) },
1425 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY
, USB_DEVICE_ID_ESSENTIAL_REALITY_P5
) },
1426 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH
, 0x0001) },
1427 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH
, 0x0002) },
1428 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH
, 0x0003) },
1429 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH
, 0x0004) },
1430 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB
, USB_DEVICE_ID_4_PHIDGETSERVO_30
) },
1431 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB
, USB_DEVICE_ID_1_PHIDGETSERVO_30
) },
1432 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB
, USB_DEVICE_ID_0_0_4_IF_KIT
) },
1433 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB
, USB_DEVICE_ID_0_16_16_IF_KIT
) },
1434 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB
, USB_DEVICE_ID_8_8_8_IF_KIT
) },
1435 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB
, USB_DEVICE_ID_0_8_7_IF_KIT
) },
1436 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB
, USB_DEVICE_ID_0_8_8_IF_KIT
) },
1437 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB
, USB_DEVICE_ID_PHIDGET_MOTORCONTROL
) },
1438 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP
, USB_DEVICE_ID_SUPER_Q2
) },
1439 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP
, USB_DEVICE_ID_GOGOPEN
) },
1440 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP
, USB_DEVICE_ID_PENPOWER
) },
1441 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH
, USB_DEVICE_ID_GRETAGMACBETH_HUEY
) },
1442 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN
, USB_DEVICE_ID_POWERMATE
) },
1443 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN
, USB_DEVICE_ID_SOUNDKNOB
) },
1444 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_90
) },
1445 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_100
) },
1446 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_101
) },
1447 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_103
) },
1448 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_104
) },
1449 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_105
) },
1450 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_106
) },
1451 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_107
) },
1452 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_108
) },
1453 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_200
) },
1454 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_201
) },
1455 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_202
) },
1456 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_203
) },
1457 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_204
) },
1458 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_205
) },
1459 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_206
) },
1460 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_207
) },
1461 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_300
) },
1462 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_301
) },
1463 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_302
) },
1464 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_303
) },
1465 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_304
) },
1466 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_305
) },
1467 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_306
) },
1468 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_307
) },
1469 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_308
) },
1470 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_309
) },
1471 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_400
) },
1472 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_401
) },
1473 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_402
) },
1474 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_403
) },
1475 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_404
) },
1476 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_405
) },
1477 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_500
) },
1478 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_501
) },
1479 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_502
) },
1480 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_503
) },
1481 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_504
) },
1482 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_1000
) },
1483 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_1001
) },
1484 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_1002
) },
1485 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_1003
) },
1486 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_1004
) },
1487 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_1005
) },
1488 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_1006
) },
1489 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO
, USB_DEVICE_ID_GTCO_1007
) },
1490 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION
, USB_DEVICE_ID_DISC_STAKKA
) },
1491 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR
, USB_DEVICE_ID_KBGEAR_JAMSTUDIO
) },
1492 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD
, USB_DEVICE_ID_KWORLD_RADIO_FM700
) },
1493 { HID_USB_DEVICE(USB_VENDOR_ID_KYE
, USB_DEVICE_ID_KYE_GPEN_560
) },
1494 { HID_USB_DEVICE(USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_CASSY
) },
1495 { HID_USB_DEVICE(USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_POCKETCASSY
) },
1496 { HID_USB_DEVICE(USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_MOBILECASSY
) },
1497 { HID_USB_DEVICE(USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_JWM
) },
1498 { HID_USB_DEVICE(USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_DMMP
) },
1499 { HID_USB_DEVICE(USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_UMIP
) },
1500 { HID_USB_DEVICE(USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_XRAY1
) },
1501 { HID_USB_DEVICE(USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_XRAY2
) },
1502 { HID_USB_DEVICE(USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_VIDEOCOM
) },
1503 { HID_USB_DEVICE(USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_COM3LAB
) },
1504 { HID_USB_DEVICE(USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_TELEPORT
) },
1505 { HID_USB_DEVICE(USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_NETWORKANALYSER
) },
1506 { HID_USB_DEVICE(USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_POWERCONTROL
) },
1507 { HID_USB_DEVICE(USB_VENDOR_ID_LD
, USB_DEVICE_ID_LD_MACHINETEST
) },
1508 { HID_USB_DEVICE(USB_VENDOR_ID_MCC
, USB_DEVICE_ID_MCC_PMD1024LS
) },
1509 { HID_USB_DEVICE(USB_VENDOR_ID_MCC
, USB_DEVICE_ID_MCC_PMD1208LS
) },
1510 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP
, USB_DEVICE_ID_PICKIT1
) },
1511 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP
, USB_DEVICE_ID_PICKIT2
) },
1512 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR
, USB_DEVICE_ID_N_S_HARMONY
) },
1513 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
) },
1514 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
+ 20) },
1515 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
+ 30) },
1516 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
+ 100) },
1517 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
+ 108) },
1518 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
+ 118) },
1519 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
+ 200) },
1520 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
+ 300) },
1521 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
+ 400) },
1522 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK
, USB_DEVICE_ID_ONTRAK_ADU100
+ 500) },
1523 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT
, 0x0001) },
1524 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT
, 0x0002) },
1525 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT
, 0x0003) },
1526 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT
, 0x0004) },
1527 { HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH
, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD
) },
1528 { HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH
, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD2
) },
1529 { HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH
, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD3
) },
1530 { HID_USB_DEVICE(USB_VENDOR_ID_TENX
, USB_DEVICE_ID_TENX_IBUDDY1
) },
1531 { HID_USB_DEVICE(USB_VENDOR_ID_TENX
, USB_DEVICE_ID_TENX_IBUDDY2
) },
1532 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER
, 0xb300) },
1533 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER
, 0xb304) },
1534 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER
, 0xb651) },
1535 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER
, 0xb654) },
1536 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER
, USB_DEVICE_ID_VERNIER_LABPRO
) },
1537 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER
, USB_DEVICE_ID_VERNIER_GOTEMP
) },
1538 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER
, USB_DEVICE_ID_VERNIER_SKIP
) },
1539 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER
, USB_DEVICE_ID_VERNIER_CYCLOPS
) },
1540 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER
, USB_DEVICE_ID_VERNIER_LCSPEC
) },
1541 { HID_USB_DEVICE(USB_VENDOR_ID_WACOM
, HID_ANY_ID
) },
1542 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP
, USB_DEVICE_ID_4_PHIDGETSERVO_20
) },
1543 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP
, USB_DEVICE_ID_1_PHIDGETSERVO_20
) },
1544 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP
, USB_DEVICE_ID_8_8_4_IF_KIT
) },
1545 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK
, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K
) },
1546 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS
, 0x0005) },
1547 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS
, 0x0030) },
1552 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
1554 * There are composite devices for which we want to ignore only a certain
1555 * interface. This is a list of devices for which only the mouse interface will
1556 * be ignored. This allows a dedicated driver to take care of the interface.
1558 static const struct hid_device_id hid_mouse_ignore_list
[] = {
1559 /* appletouch driver */
1560 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI
) },
1561 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO
) },
1562 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER_ANSI
) },
1563 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER_ISO
) },
1564 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER_JIS
) },
1565 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER3_ANSI
) },
1566 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER3_ISO
) },
1567 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER3_JIS
) },
1568 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER4_ANSI
) },
1569 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER4_ISO
) },
1570 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER4_JIS
) },
1571 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI
) },
1572 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO
) },
1573 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS
) },
1574 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI
) },
1575 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_WELLSPRING_ISO
) },
1576 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_WELLSPRING_JIS
) },
1577 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI
) },
1578 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO
) },
1579 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS
) },
1580 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY
) },
1581 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE
, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY
) },
1585 static bool hid_ignore(struct hid_device
*hdev
)
1587 switch (hdev
->vendor
) {
1588 case USB_VENDOR_ID_CODEMERCS
:
1589 /* ignore all Code Mercenaries IOWarrior devices */
1590 if (hdev
->product
>= USB_DEVICE_ID_CODEMERCS_IOW_FIRST
&&
1591 hdev
->product
<= USB_DEVICE_ID_CODEMERCS_IOW_LAST
)
1594 case USB_VENDOR_ID_LOGITECH
:
1595 if (hdev
->product
>= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST
&&
1596 hdev
->product
<= USB_DEVICE_ID_LOGITECH_HARMONY_LAST
)
1601 if (hdev
->type
== HID_TYPE_USBMOUSE
&&
1602 hid_match_id(hdev
, hid_mouse_ignore_list
))
1605 return !!hid_match_id(hdev
, hid_ignore_list
);
1608 int hid_add_device(struct hid_device
*hdev
)
1610 static atomic_t id
= ATOMIC_INIT(0);
1613 if (WARN_ON(hdev
->status
& HID_STAT_ADDED
))
1616 /* we need to kill them here, otherwise they will stay allocated to
1617 * wait for coming driver */
1618 if (hid_ignore(hdev
))
1621 /* XXX hack, any other cleaner solution < 20 bus_id bytes? */
1622 sprintf(hdev
->dev
.bus_id
, "%04X:%04X:%04X.%04X", hdev
->bus
,
1623 hdev
->vendor
, hdev
->product
, atomic_inc_return(&id
));
1625 ret
= device_add(&hdev
->dev
);
1627 hdev
->status
|= HID_STAT_ADDED
;
1631 EXPORT_SYMBOL_GPL(hid_add_device
);
1634 * hid_allocate_device - allocate new hid device descriptor
1636 * Allocate and initialize hid device, so that hid_destroy_device might be
1639 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
1642 struct hid_device
*hid_allocate_device(void)
1644 struct hid_device
*hdev
;
1648 hdev
= kzalloc(sizeof(*hdev
), GFP_KERNEL
);
1650 return ERR_PTR(ret
);
1652 device_initialize(&hdev
->dev
);
1653 hdev
->dev
.release
= hid_device_release
;
1654 hdev
->dev
.bus
= &hid_bus_type
;
1656 hdev
->collection
= kcalloc(HID_DEFAULT_NUM_COLLECTIONS
,
1657 sizeof(struct hid_collection
), GFP_KERNEL
);
1658 if (hdev
->collection
== NULL
)
1660 hdev
->collection_size
= HID_DEFAULT_NUM_COLLECTIONS
;
1662 for (i
= 0; i
< HID_REPORT_TYPES
; i
++)
1663 INIT_LIST_HEAD(&hdev
->report_enum
[i
].report_list
);
1667 put_device(&hdev
->dev
);
1668 return ERR_PTR(ret
);
1670 EXPORT_SYMBOL_GPL(hid_allocate_device
);
1672 static void hid_remove_device(struct hid_device
*hdev
)
1674 if (hdev
->status
& HID_STAT_ADDED
) {
1675 device_del(&hdev
->dev
);
1676 hdev
->status
&= ~HID_STAT_ADDED
;
1681 * hid_destroy_device - free previously allocated device
1685 * If you allocate hid_device through hid_allocate_device, you should ever
1686 * free by this function.
1688 void hid_destroy_device(struct hid_device
*hdev
)
1690 hid_remove_device(hdev
);
1691 put_device(&hdev
->dev
);
1693 EXPORT_SYMBOL_GPL(hid_destroy_device
);
1695 int __hid_register_driver(struct hid_driver
*hdrv
, struct module
*owner
,
1696 const char *mod_name
)
1698 hdrv
->driver
.name
= hdrv
->name
;
1699 hdrv
->driver
.bus
= &hid_bus_type
;
1700 hdrv
->driver
.owner
= owner
;
1701 hdrv
->driver
.mod_name
= mod_name
;
1703 return driver_register(&hdrv
->driver
);
1705 EXPORT_SYMBOL_GPL(__hid_register_driver
);
1707 void hid_unregister_driver(struct hid_driver
*hdrv
)
1709 driver_unregister(&hdrv
->driver
);
1711 EXPORT_SYMBOL_GPL(hid_unregister_driver
);
1713 #ifdef CONFIG_HID_COMPAT
1714 static void hid_compat_load(struct work_struct
*ws
)
1716 request_module("hid-dummy");
1718 static DECLARE_WORK(hid_compat_work
, hid_compat_load
);
1719 static struct workqueue_struct
*hid_compat_wq
;
1722 static int __init
hid_init(void)
1726 ret
= bus_register(&hid_bus_type
);
1728 printk(KERN_ERR
"HID: can't register hid bus\n");
1732 ret
= hidraw_init();
1736 #ifdef CONFIG_HID_COMPAT
1737 hid_compat_wq
= create_singlethread_workqueue("hid_compat");
1738 if (!hid_compat_wq
) {
1742 queue_work(hid_compat_wq
, &hid_compat_work
);
1747 bus_unregister(&hid_bus_type
);
1752 static void __exit
hid_exit(void)
1754 #ifdef CONFIG_HID_COMPAT
1755 destroy_workqueue(hid_compat_wq
);
1758 bus_unregister(&hid_bus_type
);
1761 module_init(hid_init
);
1762 module_exit(hid_exit
);
1764 MODULE_LICENSE(DRIVER_LICENSE
);