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) 2006-2012 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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19 #include <linux/module.h>
20 #include <linux/slab.h>
21 #include <linux/init.h>
22 #include <linux/kernel.h>
23 #include <linux/list.h>
25 #include <linux/spinlock.h>
26 #include <asm/unaligned.h>
27 #include <asm/byteorder.h>
28 #include <linux/input.h>
29 #include <linux/wait.h>
30 #include <linux/vmalloc.h>
31 #include <linux/sched.h>
32 #include <linux/semaphore.h>
34 #include <linux/hid.h>
35 #include <linux/hiddev.h>
36 #include <linux/hid-debug.h>
37 #include <linux/hidraw.h>
45 #define DRIVER_DESC "HID core driver"
46 #define DRIVER_LICENSE "GPL"
49 module_param_named(debug, hid_debug, int, 0600);
50 MODULE_PARM_DESC(debug, "toggle HID debugging messages");
51 EXPORT_SYMBOL_GPL(hid_debug);
53 static int hid_ignore_special_drivers = 0;
54 module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600);
55 MODULE_PARM_DESC(debug, "Ignore any special drivers and handle all devices by generic driver");
58 * Register a new report for a device.
61 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 report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
74 report_enum->numbered = 1;
79 report->device = device;
80 report_enum->report_id_hash[id] = report;
82 list_add_tail(&report->list, &report_enum->report_list);
86 EXPORT_SYMBOL_GPL(hid_register_report);
89 * Register a new field for this report.
92 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
94 struct hid_field *field;
96 if (report->maxfield == HID_MAX_FIELDS) {
97 hid_err(report->device, "too many fields in report\n");
101 field = kzalloc((sizeof(struct hid_field) +
102 usages * sizeof(struct hid_usage) +
103 values * sizeof(unsigned)), GFP_KERNEL);
107 field->index = report->maxfield++;
108 report->field[field->index] = field;
109 field->usage = (struct hid_usage *)(field + 1);
110 field->value = (s32 *)(field->usage + usages);
111 field->report = report;
117 * Open a collection. The type/usage is pushed on the stack.
120 static int open_collection(struct hid_parser *parser, unsigned type)
122 struct hid_collection *collection;
125 usage = parser->local.usage[0];
127 if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
128 hid_err(parser->device, "collection stack overflow\n");
132 if (parser->device->maxcollection == parser->device->collection_size) {
133 collection = kmalloc(sizeof(struct hid_collection) *
134 parser->device->collection_size * 2, GFP_KERNEL);
135 if (collection == NULL) {
136 hid_err(parser->device, "failed to reallocate collection array\n");
139 memcpy(collection, parser->device->collection,
140 sizeof(struct hid_collection) *
141 parser->device->collection_size);
142 memset(collection + parser->device->collection_size, 0,
143 sizeof(struct hid_collection) *
144 parser->device->collection_size);
145 kfree(parser->device->collection);
146 parser->device->collection = collection;
147 parser->device->collection_size *= 2;
150 parser->collection_stack[parser->collection_stack_ptr++] =
151 parser->device->maxcollection;
153 collection = parser->device->collection +
154 parser->device->maxcollection++;
155 collection->type = type;
156 collection->usage = usage;
157 collection->level = parser->collection_stack_ptr - 1;
159 if (type == HID_COLLECTION_APPLICATION)
160 parser->device->maxapplication++;
166 * Close a collection.
169 static int close_collection(struct hid_parser *parser)
171 if (!parser->collection_stack_ptr) {
172 hid_err(parser->device, "collection stack underflow\n");
175 parser->collection_stack_ptr--;
180 * Climb up the stack, search for the specified collection type
181 * and return the usage.
184 static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
186 struct hid_collection *collection = parser->device->collection;
189 for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
190 unsigned index = parser->collection_stack[n];
191 if (collection[index].type == type)
192 return collection[index].usage;
194 return 0; /* we know nothing about this usage type */
198 * Add a usage to the temporary parser table.
201 static int hid_add_usage(struct hid_parser *parser, unsigned usage)
203 if (parser->local.usage_index >= HID_MAX_USAGES) {
204 hid_err(parser->device, "usage index exceeded\n");
207 parser->local.usage[parser->local.usage_index] = usage;
208 parser->local.collection_index[parser->local.usage_index] =
209 parser->collection_stack_ptr ?
210 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
211 parser->local.usage_index++;
216 * Register a new field for this report.
219 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
221 struct hid_report *report;
222 struct hid_field *field;
227 report = hid_register_report(parser->device, report_type, parser->global.report_id);
229 hid_err(parser->device, "hid_register_report failed\n");
233 if (parser->global.logical_maximum < parser->global.logical_minimum) {
234 hid_err(parser->device, "logical range invalid %d %d\n",
235 parser->global.logical_minimum, parser->global.logical_maximum);
239 offset = report->size;
240 report->size += parser->global.report_size * parser->global.report_count;
242 if (!parser->local.usage_index) /* Ignore padding fields */
245 usages = max_t(int, parser->local.usage_index, parser->global.report_count);
247 field = hid_register_field(report, usages, parser->global.report_count);
251 field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
252 field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
253 field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
255 for (i = 0; i < usages; i++) {
257 /* Duplicate the last usage we parsed if we have excess values */
258 if (i >= parser->local.usage_index)
259 j = parser->local.usage_index - 1;
260 field->usage[i].hid = parser->local.usage[j];
261 field->usage[i].collection_index =
262 parser->local.collection_index[j];
265 field->maxusage = usages;
266 field->flags = flags;
267 field->report_offset = offset;
268 field->report_type = report_type;
269 field->report_size = parser->global.report_size;
270 field->report_count = parser->global.report_count;
271 field->logical_minimum = parser->global.logical_minimum;
272 field->logical_maximum = parser->global.logical_maximum;
273 field->physical_minimum = parser->global.physical_minimum;
274 field->physical_maximum = parser->global.physical_maximum;
275 field->unit_exponent = parser->global.unit_exponent;
276 field->unit = parser->global.unit;
282 * Read data value from item.
285 static u32 item_udata(struct hid_item *item)
287 switch (item->size) {
288 case 1: return item->data.u8;
289 case 2: return item->data.u16;
290 case 4: return item->data.u32;
295 static s32 item_sdata(struct hid_item *item)
297 switch (item->size) {
298 case 1: return item->data.s8;
299 case 2: return item->data.s16;
300 case 4: return item->data.s32;
306 * Process a global item.
309 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
312 case HID_GLOBAL_ITEM_TAG_PUSH:
314 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
315 hid_err(parser->device, "global environment stack overflow\n");
319 memcpy(parser->global_stack + parser->global_stack_ptr++,
320 &parser->global, sizeof(struct hid_global));
323 case HID_GLOBAL_ITEM_TAG_POP:
325 if (!parser->global_stack_ptr) {
326 hid_err(parser->device, "global environment stack underflow\n");
330 memcpy(&parser->global, parser->global_stack +
331 --parser->global_stack_ptr, sizeof(struct hid_global));
334 case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
335 parser->global.usage_page = item_udata(item);
338 case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
339 parser->global.logical_minimum = item_sdata(item);
342 case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
343 if (parser->global.logical_minimum < 0)
344 parser->global.logical_maximum = item_sdata(item);
346 parser->global.logical_maximum = item_udata(item);
349 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
350 parser->global.physical_minimum = item_sdata(item);
353 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
354 if (parser->global.physical_minimum < 0)
355 parser->global.physical_maximum = item_sdata(item);
357 parser->global.physical_maximum = item_udata(item);
360 case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
361 parser->global.unit_exponent = item_sdata(item);
364 case HID_GLOBAL_ITEM_TAG_UNIT:
365 parser->global.unit = item_udata(item);
368 case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
369 parser->global.report_size = item_udata(item);
370 if (parser->global.report_size > 96) {
371 hid_err(parser->device, "invalid report_size %d\n",
372 parser->global.report_size);
377 case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
378 parser->global.report_count = item_udata(item);
379 if (parser->global.report_count > HID_MAX_USAGES) {
380 hid_err(parser->device, "invalid report_count %d\n",
381 parser->global.report_count);
386 case HID_GLOBAL_ITEM_TAG_REPORT_ID:
387 parser->global.report_id = item_udata(item);
388 if (parser->global.report_id == 0) {
389 hid_err(parser->device, "report_id 0 is invalid\n");
395 hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
401 * Process a local item.
404 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
409 data = item_udata(item);
412 case HID_LOCAL_ITEM_TAG_DELIMITER:
416 * We treat items before the first delimiter
417 * as global to all usage sets (branch 0).
418 * In the moment we process only these global
419 * items and the first delimiter set.
421 if (parser->local.delimiter_depth != 0) {
422 hid_err(parser->device, "nested delimiters\n");
425 parser->local.delimiter_depth++;
426 parser->local.delimiter_branch++;
428 if (parser->local.delimiter_depth < 1) {
429 hid_err(parser->device, "bogus close delimiter\n");
432 parser->local.delimiter_depth--;
436 case HID_LOCAL_ITEM_TAG_USAGE:
438 if (parser->local.delimiter_branch > 1) {
439 dbg_hid("alternative usage ignored\n");
444 data = (parser->global.usage_page << 16) + data;
446 return hid_add_usage(parser, data);
448 case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
450 if (parser->local.delimiter_branch > 1) {
451 dbg_hid("alternative usage ignored\n");
456 data = (parser->global.usage_page << 16) + data;
458 parser->local.usage_minimum = data;
461 case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
463 if (parser->local.delimiter_branch > 1) {
464 dbg_hid("alternative usage ignored\n");
469 data = (parser->global.usage_page << 16) + data;
471 for (n = parser->local.usage_minimum; n <= data; n++)
472 if (hid_add_usage(parser, n)) {
473 dbg_hid("hid_add_usage failed\n");
480 dbg_hid("unknown local item tag 0x%x\n", item->tag);
487 * Process a main item.
490 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
495 data = item_udata(item);
498 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
499 ret = open_collection(parser, data & 0xff);
501 case HID_MAIN_ITEM_TAG_END_COLLECTION:
502 ret = close_collection(parser);
504 case HID_MAIN_ITEM_TAG_INPUT:
505 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
507 case HID_MAIN_ITEM_TAG_OUTPUT:
508 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
510 case HID_MAIN_ITEM_TAG_FEATURE:
511 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
514 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
518 memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */
524 * Process a reserved item.
527 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
529 dbg_hid("reserved item type, tag 0x%x\n", item->tag);
534 * Free a report and all registered fields. The field->usage and
535 * field->value table's are allocated behind the field, so we need
536 * only to free(field) itself.
539 static void hid_free_report(struct hid_report *report)
543 for (n = 0; n < report->maxfield; n++)
544 kfree(report->field[n]);
549 * Close report. This function returns the device
550 * state to the point prior to hid_open_report().
552 static void hid_close_report(struct hid_device *device)
556 for (i = 0; i < HID_REPORT_TYPES; i++) {
557 struct hid_report_enum *report_enum = device->report_enum + i;
559 for (j = 0; j < 256; j++) {
560 struct hid_report *report = report_enum->report_id_hash[j];
562 hid_free_report(report);
564 memset(report_enum, 0, sizeof(*report_enum));
565 INIT_LIST_HEAD(&report_enum->report_list);
568 kfree(device->rdesc);
569 device->rdesc = NULL;
572 kfree(device->collection);
573 device->collection = NULL;
574 device->collection_size = 0;
575 device->maxcollection = 0;
576 device->maxapplication = 0;
578 device->status &= ~HID_STAT_PARSED;
582 * Free a device structure, all reports, and all fields.
585 static void hid_device_release(struct device *dev)
587 struct hid_device *hid = container_of(dev, struct hid_device, dev);
589 hid_close_report(hid);
590 kfree(hid->dev_rdesc);
595 * Fetch a report description item from the data stream. We support long
596 * items, though they are not used yet.
599 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
603 if ((end - start) <= 0)
608 item->type = (b >> 2) & 3;
609 item->tag = (b >> 4) & 15;
611 if (item->tag == HID_ITEM_TAG_LONG) {
613 item->format = HID_ITEM_FORMAT_LONG;
615 if ((end - start) < 2)
618 item->size = *start++;
619 item->tag = *start++;
621 if ((end - start) < item->size)
624 item->data.longdata = start;
629 item->format = HID_ITEM_FORMAT_SHORT;
632 switch (item->size) {
637 if ((end - start) < 1)
639 item->data.u8 = *start++;
643 if ((end - start) < 2)
645 item->data.u16 = get_unaligned_le16(start);
646 start = (__u8 *)((__le16 *)start + 1);
651 if ((end - start) < 4)
653 item->data.u32 = get_unaligned_le32(start);
654 start = (__u8 *)((__le32 *)start + 1);
661 static void hid_scan_usage(struct hid_device *hid, u32 usage)
663 if (usage == HID_DG_CONTACTID)
664 hid->group = HID_GROUP_MULTITOUCH;
668 * Scan a report descriptor before the device is added to the bus.
669 * Sets device groups and other properties that determine what driver
672 static int hid_scan_report(struct hid_device *hid)
674 unsigned int page = 0, delim = 0;
675 __u8 *start = hid->dev_rdesc;
676 __u8 *end = start + hid->dev_rsize;
677 unsigned int u, u_min = 0, u_max = 0;
678 struct hid_item item;
680 hid->group = HID_GROUP_GENERIC;
681 while ((start = fetch_item(start, end, &item)) != NULL) {
682 if (item.format != HID_ITEM_FORMAT_SHORT)
684 if (item.type == HID_ITEM_TYPE_GLOBAL) {
685 if (item.tag == HID_GLOBAL_ITEM_TAG_USAGE_PAGE)
686 page = item_udata(&item) << 16;
687 } else if (item.type == HID_ITEM_TYPE_LOCAL) {
690 u = item_udata(&item);
694 case HID_LOCAL_ITEM_TAG_DELIMITER:
697 case HID_LOCAL_ITEM_TAG_USAGE:
698 hid_scan_usage(hid, u);
700 case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
703 case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
705 for (u = u_min; u <= u_max; u++)
706 hid_scan_usage(hid, u);
716 * hid_parse_report - parse device report
718 * @device: hid device
719 * @start: report start
722 * Allocate the device report as read by the bus driver. This function should
723 * only be called from parse() in ll drivers.
725 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
727 hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
730 hid->dev_rsize = size;
733 EXPORT_SYMBOL_GPL(hid_parse_report);
736 * hid_open_report - open a driver-specific device report
738 * @device: hid device
740 * Parse a report description into a hid_device structure. Reports are
741 * enumerated, fields are attached to these reports.
742 * 0 returned on success, otherwise nonzero error value.
744 * This function (or the equivalent hid_parse() macro) should only be
745 * called from probe() in drivers, before starting the device.
747 int hid_open_report(struct hid_device *device)
749 struct hid_parser *parser;
750 struct hid_item item;
755 static int (*dispatch_type[])(struct hid_parser *parser,
756 struct hid_item *item) = {
763 if (WARN_ON(device->status & HID_STAT_PARSED))
766 start = device->dev_rdesc;
769 size = device->dev_rsize;
771 if (device->driver->report_fixup)
772 start = device->driver->report_fixup(device, start, &size);
774 device->rdesc = kmemdup(start, size, GFP_KERNEL);
775 if (device->rdesc == NULL)
777 device->rsize = size;
779 parser = vzalloc(sizeof(struct hid_parser));
785 parser->device = device;
789 device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
790 sizeof(struct hid_collection), GFP_KERNEL);
791 if (!device->collection) {
795 device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
798 while ((start = fetch_item(start, end, &item)) != NULL) {
800 if (item.format != HID_ITEM_FORMAT_SHORT) {
801 hid_err(device, "unexpected long global item\n");
805 if (dispatch_type[item.type](parser, &item)) {
806 hid_err(device, "item %u %u %u %u parsing failed\n",
807 item.format, (unsigned)item.size,
808 (unsigned)item.type, (unsigned)item.tag);
813 if (parser->collection_stack_ptr) {
814 hid_err(device, "unbalanced collection at end of report description\n");
817 if (parser->local.delimiter_depth) {
818 hid_err(device, "unbalanced delimiter at end of report description\n");
822 device->status |= HID_STAT_PARSED;
827 hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
830 hid_close_report(device);
833 EXPORT_SYMBOL_GPL(hid_open_report);
836 * Convert a signed n-bit integer to signed 32-bit integer. Common
837 * cases are done through the compiler, the screwed things has to be
841 static s32 snto32(__u32 value, unsigned n)
844 case 8: return ((__s8)value);
845 case 16: return ((__s16)value);
846 case 32: return ((__s32)value);
848 return value & (1 << (n - 1)) ? value | (-1 << n) : value;
852 * Convert a signed 32-bit integer to a signed n-bit integer.
855 static u32 s32ton(__s32 value, unsigned n)
857 s32 a = value >> (n - 1);
859 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
860 return value & ((1 << n) - 1);
864 * Extract/implement a data field from/to a little endian report (bit array).
866 * Code sort-of follows HID spec:
867 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf
869 * While the USB HID spec allows unlimited length bit fields in "report
870 * descriptors", most devices never use more than 16 bits.
871 * One model of UPS is claimed to report "LINEV" as a 32-bit field.
872 * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
875 static __u32 extract(const struct hid_device *hid, __u8 *report,
876 unsigned offset, unsigned n)
881 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
884 report += offset >> 3; /* adjust byte index */
885 offset &= 7; /* now only need bit offset into one byte */
886 x = get_unaligned_le64(report);
887 x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */
892 * "implement" : set bits in a little endian bit stream.
893 * Same concepts as "extract" (see comments above).
894 * The data mangled in the bit stream remains in little endian
895 * order the whole time. It make more sense to talk about
896 * endianness of register values by considering a register
897 * a "cached" copy of the little endiad bit stream.
899 static void implement(const struct hid_device *hid, __u8 *report,
900 unsigned offset, unsigned n, __u32 value)
903 u64 m = (1ULL << n) - 1;
906 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
907 __func__, n, current->comm);
910 hid_warn(hid, "%s() called with too large value %d! (%s)\n",
911 __func__, value, current->comm);
915 report += offset >> 3;
918 x = get_unaligned_le64(report);
920 x |= ((u64)value) << offset;
921 put_unaligned_le64(x, report);
925 * Search an array for a value.
928 static int search(__s32 *array, __s32 value, unsigned n)
931 if (*array++ == value)
938 * hid_match_report - check if driver's raw_event should be called
941 * @report_type: type to match against
943 * compare hid->driver->report_table->report_type to report->type
945 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
947 const struct hid_report_id *id = hid->driver->report_table;
949 if (!id) /* NULL means all */
952 for (; id->report_type != HID_TERMINATOR; id++)
953 if (id->report_type == HID_ANY_ID ||
954 id->report_type == report->type)
960 * hid_match_usage - check if driver's event should be called
963 * @usage: usage to match against
965 * compare hid->driver->usage_table->usage_{type,code} to
966 * usage->usage_{type,code}
968 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
970 const struct hid_usage_id *id = hid->driver->usage_table;
972 if (!id) /* NULL means all */
975 for (; id->usage_type != HID_ANY_ID - 1; id++)
976 if ((id->usage_hid == HID_ANY_ID ||
977 id->usage_hid == usage->hid) &&
978 (id->usage_type == HID_ANY_ID ||
979 id->usage_type == usage->type) &&
980 (id->usage_code == HID_ANY_ID ||
981 id->usage_code == usage->code))
986 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
987 struct hid_usage *usage, __s32 value, int interrupt)
989 struct hid_driver *hdrv = hid->driver;
992 hid_dump_input(hid, usage, value);
994 if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
995 ret = hdrv->event(hid, field, usage, value);
998 hid_err(hid, "%s's event failed with %d\n",
1004 if (hid->claimed & HID_CLAIMED_INPUT)
1005 hidinput_hid_event(hid, field, usage, value);
1006 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1007 hid->hiddev_hid_event(hid, field, usage, value);
1011 * Analyse a received field, and fetch the data from it. The field
1012 * content is stored for next report processing (we do differential
1013 * reporting to the layer).
1016 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1017 __u8 *data, int interrupt)
1020 unsigned count = field->report_count;
1021 unsigned offset = field->report_offset;
1022 unsigned size = field->report_size;
1023 __s32 min = field->logical_minimum;
1024 __s32 max = field->logical_maximum;
1027 value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1031 for (n = 0; n < count; n++) {
1033 value[n] = min < 0 ?
1034 snto32(extract(hid, data, offset + n * size, size),
1036 extract(hid, data, offset + n * size, size);
1038 /* Ignore report if ErrorRollOver */
1039 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1040 value[n] >= min && value[n] <= max &&
1041 field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1045 for (n = 0; n < count; n++) {
1047 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1048 hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1052 if (field->value[n] >= min && field->value[n] <= max
1053 && field->usage[field->value[n] - min].hid
1054 && search(value, field->value[n], count))
1055 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1057 if (value[n] >= min && value[n] <= max
1058 && field->usage[value[n] - min].hid
1059 && search(field->value, value[n], count))
1060 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1063 memcpy(field->value, value, count * sizeof(__s32));
1069 * Output the field into the report.
1072 static void hid_output_field(const struct hid_device *hid,
1073 struct hid_field *field, __u8 *data)
1075 unsigned count = field->report_count;
1076 unsigned offset = field->report_offset;
1077 unsigned size = field->report_size;
1080 for (n = 0; n < count; n++) {
1081 if (field->logical_minimum < 0) /* signed values */
1082 implement(hid, data, offset + n * size, size,
1083 s32ton(field->value[n], size));
1084 else /* unsigned values */
1085 implement(hid, data, offset + n * size, size,
1094 void hid_output_report(struct hid_report *report, __u8 *data)
1099 *data++ = report->id;
1101 memset(data, 0, ((report->size - 1) >> 3) + 1);
1102 for (n = 0; n < report->maxfield; n++)
1103 hid_output_field(report->device, report->field[n], data);
1105 EXPORT_SYMBOL_GPL(hid_output_report);
1108 * Set a field value. The report this field belongs to has to be
1109 * created and transferred to the device, to set this value in the
1113 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1115 unsigned size = field->report_size;
1117 hid_dump_input(field->report->device, field->usage + offset, value);
1119 if (offset >= field->report_count) {
1120 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1121 offset, field->report_count);
1124 if (field->logical_minimum < 0) {
1125 if (value != snto32(s32ton(value, size), size)) {
1126 hid_err(field->report->device, "value %d is out of range\n", value);
1130 field->value[offset] = value;
1133 EXPORT_SYMBOL_GPL(hid_set_field);
1135 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1138 struct hid_report *report;
1139 unsigned int n = 0; /* Normally report number is 0 */
1141 /* Device uses numbered reports, data[0] is report number */
1142 if (report_enum->numbered)
1145 report = report_enum->report_id_hash[n];
1147 dbg_hid("undefined report_id %u received\n", n);
1152 void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1155 struct hid_report_enum *report_enum = hid->report_enum + type;
1156 struct hid_report *report;
1158 int rsize, csize = size;
1161 report = hid_get_report(report_enum, data);
1165 if (report_enum->numbered) {
1170 rsize = ((report->size - 1) >> 3) + 1;
1172 if (rsize > HID_MAX_BUFFER_SIZE)
1173 rsize = HID_MAX_BUFFER_SIZE;
1175 if (csize < rsize) {
1176 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1178 memset(cdata + csize, 0, rsize - csize);
1181 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1182 hid->hiddev_report_event(hid, report);
1183 if (hid->claimed & HID_CLAIMED_HIDRAW)
1184 hidraw_report_event(hid, data, size);
1186 for (a = 0; a < report->maxfield; a++)
1187 hid_input_field(hid, report->field[a], cdata, interrupt);
1189 if (hid->claimed & HID_CLAIMED_INPUT)
1190 hidinput_report_event(hid, report);
1192 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1195 * hid_input_report - report data from lower layer (usb, bt...)
1198 * @type: HID report type (HID_*_REPORT)
1199 * @data: report contents
1200 * @size: size of data parameter
1201 * @interrupt: distinguish between interrupt and control transfers
1203 * This is data entry for lower layers.
1205 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1207 struct hid_report_enum *report_enum;
1208 struct hid_driver *hdrv;
1209 struct hid_report *report;
1217 if (down_trylock(&hid->driver_lock))
1224 report_enum = hid->report_enum + type;
1228 dbg_hid("empty report\n");
1233 buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC);
1238 /* dump the report */
1239 snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1240 "\nreport (size %u) (%snumbered) = ", size, report_enum->numbered ? "" : "un");
1241 hid_debug_event(hid, buf);
1243 for (i = 0; i < size; i++) {
1244 snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1246 hid_debug_event(hid, buf);
1248 hid_debug_event(hid, "\n");
1252 report = hid_get_report(report_enum, data);
1259 if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1260 ret = hdrv->raw_event(hid, report, data, size);
1262 ret = ret < 0 ? ret : 0;
1267 hid_report_raw_event(hid, type, data, size, interrupt);
1270 up(&hid->driver_lock);
1273 EXPORT_SYMBOL_GPL(hid_input_report);
1275 static bool hid_match_one_id(struct hid_device *hdev,
1276 const struct hid_device_id *id)
1278 return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1279 (id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1280 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1281 (id->product == HID_ANY_ID || id->product == hdev->product);
1284 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1285 const struct hid_device_id *id)
1287 for (; id->bus; id++)
1288 if (hid_match_one_id(hdev, id))
1294 static const struct hid_device_id hid_hiddev_list[] = {
1295 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1296 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1300 static bool hid_hiddev(struct hid_device *hdev)
1302 return !!hid_match_id(hdev, hid_hiddev_list);
1307 read_report_descriptor(struct file *filp, struct kobject *kobj,
1308 struct bin_attribute *attr,
1309 char *buf, loff_t off, size_t count)
1311 struct device *dev = container_of(kobj, struct device, kobj);
1312 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1314 if (off >= hdev->rsize)
1317 if (off + count > hdev->rsize)
1318 count = hdev->rsize - off;
1320 memcpy(buf, hdev->rdesc + off, count);
1325 static struct bin_attribute dev_bin_attr_report_desc = {
1326 .attr = { .name = "report_descriptor", .mode = 0444 },
1327 .read = read_report_descriptor,
1328 .size = HID_MAX_DESCRIPTOR_SIZE,
1331 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1333 static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1334 "Joystick", "Gamepad", "Keyboard", "Keypad",
1335 "Multi-Axis Controller"
1337 const char *type, *bus;
1343 if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1344 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1345 if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1346 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1347 if (hdev->bus != BUS_USB)
1348 connect_mask &= ~HID_CONNECT_HIDDEV;
1349 if (hid_hiddev(hdev))
1350 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1352 if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1353 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1354 hdev->claimed |= HID_CLAIMED_INPUT;
1356 if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1357 !hdev->hiddev_connect(hdev,
1358 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1359 hdev->claimed |= HID_CLAIMED_HIDDEV;
1360 if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1361 hdev->claimed |= HID_CLAIMED_HIDRAW;
1363 if (!hdev->claimed) {
1364 hid_err(hdev, "claimed by neither input, hiddev nor hidraw\n");
1368 if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1369 (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1370 hdev->ff_init(hdev);
1373 if (hdev->claimed & HID_CLAIMED_INPUT)
1374 len += sprintf(buf + len, "input");
1375 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1376 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1378 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1379 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1380 ((struct hidraw *)hdev->hidraw)->minor);
1383 for (i = 0; i < hdev->maxcollection; i++) {
1384 struct hid_collection *col = &hdev->collection[i];
1385 if (col->type == HID_COLLECTION_APPLICATION &&
1386 (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1387 (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1388 type = types[col->usage & 0xffff];
1393 switch (hdev->bus) {
1404 ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1407 "can't create sysfs report descriptor attribute err: %d\n", ret);
1409 hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1410 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1411 type, hdev->name, hdev->phys);
1415 EXPORT_SYMBOL_GPL(hid_connect);
1417 void hid_disconnect(struct hid_device *hdev)
1419 device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1420 if (hdev->claimed & HID_CLAIMED_INPUT)
1421 hidinput_disconnect(hdev);
1422 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1423 hdev->hiddev_disconnect(hdev);
1424 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1425 hidraw_disconnect(hdev);
1427 EXPORT_SYMBOL_GPL(hid_disconnect);
1429 /* a list of devices for which there is a specialized driver on HID bus */
1430 static const struct hid_device_id hid_have_special_driver[] = {
1431 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1432 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1433 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1434 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1435 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) },
1436 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1437 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1438 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1439 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1440 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1441 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1442 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1443 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1444 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1445 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1446 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1447 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1448 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1449 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1450 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1451 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1452 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1453 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1454 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1455 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1456 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1457 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1458 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1459 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1460 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1461 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1462 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1463 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1464 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1465 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1466 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1467 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1468 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1469 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1470 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1471 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1472 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1473 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1474 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1475 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1476 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1477 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1478 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1479 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1480 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1481 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1482 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1483 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1484 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1485 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1486 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1487 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1488 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1489 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1490 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1491 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1492 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1493 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1494 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1495 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1496 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1497 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1498 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1499 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1500 { HID_USB_DEVICE(USB_VENDOR_ID_BAANTO, USB_DEVICE_ID_BAANTO_MT_190W2), },
1501 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1502 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1503 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1504 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1505 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1506 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1507 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1508 { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1509 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1510 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1511 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1512 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1513 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1514 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1515 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1516 { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1517 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1518 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1519 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1520 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1521 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1522 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1523 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1524 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1525 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1526 { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1527 { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1528 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1529 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1530 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1531 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1532 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1533 { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1534 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1535 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1536 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1537 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1538 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1539 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1540 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1541 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1542 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1543 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1544 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1545 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1546 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1547 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1548 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1549 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1550 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1551 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1552 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1553 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1554 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1555 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1556 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1557 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1558 #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1559 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1560 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1562 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1563 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1564 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1565 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1566 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1567 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1568 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1569 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1570 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1571 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1572 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1573 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1574 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1575 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1576 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1577 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1578 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1579 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1580 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1581 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1582 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1583 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1584 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1585 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1586 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1587 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1588 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1589 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1590 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1591 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1592 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1593 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1594 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1595 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1596 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1597 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1598 { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1599 { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) },
1600 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1601 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1602 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
1603 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1604 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1605 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1606 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1607 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
1608 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1609 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1610 { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1611 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1612 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1613 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1614 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1615 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
1616 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1617 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
1618 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1619 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
1620 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
1621 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
1622 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
1623 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
1624 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
1625 { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
1626 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
1627 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
1628 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
1629 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
1630 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1631 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1632 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
1633 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
1634 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
1635 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
1636 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1637 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1638 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1639 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
1640 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
1641 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
1642 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
1643 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
1644 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
1645 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
1646 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
1647 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
1648 { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
1649 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
1650 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
1651 { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
1653 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
1654 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
1659 struct list_head list;
1660 struct hid_device_id id;
1664 * store_new_id - add a new HID device ID to this driver and re-probe devices
1665 * @driver: target device driver
1666 * @buf: buffer for scanning device ID data
1667 * @count: input size
1669 * Adds a new dynamic hid device ID to this driver,
1670 * and causes the driver to probe for all devices again.
1672 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
1675 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1676 struct hid_dynid *dynid;
1677 __u32 bus, vendor, product;
1678 unsigned long driver_data = 0;
1681 ret = sscanf(buf, "%x %x %x %lx",
1682 &bus, &vendor, &product, &driver_data);
1686 dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
1690 dynid->id.bus = bus;
1691 dynid->id.group = HID_GROUP_ANY;
1692 dynid->id.vendor = vendor;
1693 dynid->id.product = product;
1694 dynid->id.driver_data = driver_data;
1696 spin_lock(&hdrv->dyn_lock);
1697 list_add_tail(&dynid->list, &hdrv->dyn_list);
1698 spin_unlock(&hdrv->dyn_lock);
1700 ret = driver_attach(&hdrv->driver);
1702 return ret ? : count;
1704 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
1706 static void hid_free_dynids(struct hid_driver *hdrv)
1708 struct hid_dynid *dynid, *n;
1710 spin_lock(&hdrv->dyn_lock);
1711 list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
1712 list_del(&dynid->list);
1715 spin_unlock(&hdrv->dyn_lock);
1718 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
1719 struct hid_driver *hdrv)
1721 struct hid_dynid *dynid;
1723 spin_lock(&hdrv->dyn_lock);
1724 list_for_each_entry(dynid, &hdrv->dyn_list, list) {
1725 if (hid_match_one_id(hdev, &dynid->id)) {
1726 spin_unlock(&hdrv->dyn_lock);
1730 spin_unlock(&hdrv->dyn_lock);
1732 return hid_match_id(hdev, hdrv->id_table);
1735 static int hid_bus_match(struct device *dev, struct device_driver *drv)
1737 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1738 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1740 return hid_match_device(hdev, hdrv) != NULL;
1743 static int hid_device_probe(struct device *dev)
1745 struct hid_driver *hdrv = container_of(dev->driver,
1746 struct hid_driver, driver);
1747 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1748 const struct hid_device_id *id;
1751 if (down_interruptible(&hdev->driver_lock))
1754 if (!hdev->driver) {
1755 id = hid_match_device(hdev, hdrv);
1761 hdev->driver = hdrv;
1763 ret = hdrv->probe(hdev, id);
1764 } else { /* default probe */
1765 ret = hid_open_report(hdev);
1767 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1770 hid_close_report(hdev);
1771 hdev->driver = NULL;
1775 up(&hdev->driver_lock);
1779 static int hid_device_remove(struct device *dev)
1781 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1782 struct hid_driver *hdrv;
1784 if (down_interruptible(&hdev->driver_lock))
1787 hdrv = hdev->driver;
1791 else /* default remove */
1793 hid_close_report(hdev);
1794 hdev->driver = NULL;
1797 up(&hdev->driver_lock);
1801 static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
1804 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1807 len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
1808 hdev->bus, hdev->group, hdev->vendor, hdev->product);
1810 return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
1813 static struct device_attribute hid_dev_attrs[] = {
1814 __ATTR_RO(modalias),
1818 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
1820 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1822 if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
1823 hdev->bus, hdev->vendor, hdev->product))
1826 if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
1829 if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
1832 if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
1835 if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
1836 hdev->bus, hdev->group, hdev->vendor, hdev->product))
1842 static struct bus_type hid_bus_type = {
1844 .dev_attrs = hid_dev_attrs,
1845 .match = hid_bus_match,
1846 .probe = hid_device_probe,
1847 .remove = hid_device_remove,
1848 .uevent = hid_uevent,
1851 /* a list of devices that shouldn't be handled by HID core at all */
1852 static const struct hid_device_id hid_ignore_list[] = {
1853 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
1854 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
1855 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
1856 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
1857 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
1858 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
1859 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
1860 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
1861 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
1862 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
1863 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
1864 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
1865 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
1866 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
1867 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
1868 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
1869 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
1870 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
1871 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
1872 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
1873 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
1874 { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
1875 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
1876 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
1877 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
1878 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
1879 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
1880 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
1881 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
1882 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
1883 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
1884 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
1885 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
1886 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
1887 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
1888 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
1889 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
1890 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
1891 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
1892 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
1893 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
1894 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
1895 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
1896 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
1897 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
1898 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
1899 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
1900 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
1901 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
1902 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
1903 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
1904 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
1905 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
1906 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
1907 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
1908 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
1909 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
1910 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
1911 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
1912 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
1913 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
1914 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
1915 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
1916 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
1917 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
1918 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
1919 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
1920 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
1921 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
1922 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
1923 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
1924 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
1925 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
1926 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
1927 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
1928 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
1929 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
1930 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
1931 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
1932 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
1933 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
1934 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
1935 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
1936 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
1937 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
1938 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
1939 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
1940 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
1941 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
1942 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
1943 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
1944 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
1945 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
1946 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
1947 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
1948 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
1949 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
1950 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
1951 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
1952 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
1953 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
1954 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
1955 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
1956 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
1957 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
1958 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
1959 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
1960 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
1961 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
1962 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
1963 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
1964 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
1965 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
1966 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
1967 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
1968 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
1969 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
1970 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
1971 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
1972 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
1973 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
1974 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
1975 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
1976 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
1977 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
1978 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
1979 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
1980 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
1981 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
1982 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
1983 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
1984 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
1985 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
1986 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
1987 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
1988 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
1989 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
1990 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
1991 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
1992 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
1993 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
1994 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
1995 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
1996 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
1997 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
1998 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
1999 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2000 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2001 { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2002 { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2003 #if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2004 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2005 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2006 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2007 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2008 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2009 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2010 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2011 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2013 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
2014 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
2015 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
2016 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
2017 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
2018 { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) },
2019 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
2020 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
2021 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
2022 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2027 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2029 * There are composite devices for which we want to ignore only a certain
2030 * interface. This is a list of devices for which only the mouse interface will
2031 * be ignored. This allows a dedicated driver to take care of the interface.
2033 static const struct hid_device_id hid_mouse_ignore_list[] = {
2034 /* appletouch driver */
2035 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2036 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2037 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2038 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2039 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2040 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2041 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2042 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2043 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2044 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2045 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2046 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2047 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2048 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2049 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2050 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2051 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2052 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2053 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2054 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2055 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2056 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2057 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2058 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2059 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2060 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2061 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2062 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2063 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2064 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2065 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2066 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2067 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2068 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2069 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2070 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2071 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2072 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2073 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2074 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2075 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2076 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2077 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2081 static bool hid_ignore(struct hid_device *hdev)
2083 switch (hdev->vendor) {
2084 case USB_VENDOR_ID_CODEMERCS:
2085 /* ignore all Code Mercenaries IOWarrior devices */
2086 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2087 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2090 case USB_VENDOR_ID_LOGITECH:
2091 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2092 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2095 * The Keene FM transmitter USB device has the same USB ID as
2096 * the Logitech AudioHub Speaker, but it should ignore the hid.
2097 * Check if the name is that of the Keene device.
2098 * For reference: the name of the AudioHub is
2099 * "HOLTEK AudioHub Speaker".
2101 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2102 !strcmp(hdev->name, "HOLTEK B-LINK USB Audio "))
2105 case USB_VENDOR_ID_SOUNDGRAPH:
2106 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2107 hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2110 case USB_VENDOR_ID_HANWANG:
2111 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2112 hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2115 case USB_VENDOR_ID_JESS:
2116 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2117 hdev->type == HID_TYPE_USBNONE)
2122 if (hdev->type == HID_TYPE_USBMOUSE &&
2123 hid_match_id(hdev, hid_mouse_ignore_list))
2126 return !!hid_match_id(hdev, hid_ignore_list);
2129 int hid_add_device(struct hid_device *hdev)
2131 static atomic_t id = ATOMIC_INIT(0);
2134 if (WARN_ON(hdev->status & HID_STAT_ADDED))
2137 /* we need to kill them here, otherwise they will stay allocated to
2138 * wait for coming driver */
2139 if (!(hdev->quirks & HID_QUIRK_NO_IGNORE)
2140 && (hid_ignore(hdev) || (hdev->quirks & HID_QUIRK_IGNORE)))
2144 * Read the device report descriptor once and use as template
2145 * for the driver-specific modifications.
2147 ret = hdev->ll_driver->parse(hdev);
2150 if (!hdev->dev_rdesc)
2154 * Scan generic devices for group information
2156 if (hid_ignore_special_drivers ||
2157 !hid_match_id(hdev, hid_have_special_driver)) {
2158 ret = hid_scan_report(hdev);
2160 hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2163 /* XXX hack, any other cleaner solution after the driver core
2164 * is converted to allow more than 20 bytes as the device name? */
2165 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2166 hdev->vendor, hdev->product, atomic_inc_return(&id));
2168 hid_debug_register(hdev, dev_name(&hdev->dev));
2169 ret = device_add(&hdev->dev);
2171 hdev->status |= HID_STAT_ADDED;
2173 hid_debug_unregister(hdev);
2177 EXPORT_SYMBOL_GPL(hid_add_device);
2180 * hid_allocate_device - allocate new hid device descriptor
2182 * Allocate and initialize hid device, so that hid_destroy_device might be
2185 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2188 struct hid_device *hid_allocate_device(void)
2190 struct hid_device *hdev;
2193 hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2195 return ERR_PTR(ret);
2197 device_initialize(&hdev->dev);
2198 hdev->dev.release = hid_device_release;
2199 hdev->dev.bus = &hid_bus_type;
2201 hid_close_report(hdev);
2203 init_waitqueue_head(&hdev->debug_wait);
2204 INIT_LIST_HEAD(&hdev->debug_list);
2205 sema_init(&hdev->driver_lock, 1);
2209 EXPORT_SYMBOL_GPL(hid_allocate_device);
2211 static void hid_remove_device(struct hid_device *hdev)
2213 if (hdev->status & HID_STAT_ADDED) {
2214 device_del(&hdev->dev);
2215 hid_debug_unregister(hdev);
2216 hdev->status &= ~HID_STAT_ADDED;
2218 kfree(hdev->dev_rdesc);
2219 hdev->dev_rdesc = NULL;
2220 hdev->dev_rsize = 0;
2224 * hid_destroy_device - free previously allocated device
2228 * If you allocate hid_device through hid_allocate_device, you should ever
2229 * free by this function.
2231 void hid_destroy_device(struct hid_device *hdev)
2233 hid_remove_device(hdev);
2234 put_device(&hdev->dev);
2236 EXPORT_SYMBOL_GPL(hid_destroy_device);
2238 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2239 const char *mod_name)
2243 hdrv->driver.name = hdrv->name;
2244 hdrv->driver.bus = &hid_bus_type;
2245 hdrv->driver.owner = owner;
2246 hdrv->driver.mod_name = mod_name;
2248 INIT_LIST_HEAD(&hdrv->dyn_list);
2249 spin_lock_init(&hdrv->dyn_lock);
2251 ret = driver_register(&hdrv->driver);
2255 ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2257 driver_unregister(&hdrv->driver);
2261 EXPORT_SYMBOL_GPL(__hid_register_driver);
2263 void hid_unregister_driver(struct hid_driver *hdrv)
2265 driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2266 driver_unregister(&hdrv->driver);
2267 hid_free_dynids(hdrv);
2269 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2271 int hid_check_keys_pressed(struct hid_device *hid)
2273 struct hid_input *hidinput;
2276 if (!(hid->claimed & HID_CLAIMED_INPUT))
2279 list_for_each_entry(hidinput, &hid->inputs, list) {
2280 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2281 if (hidinput->input->key[i])
2288 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2290 static int __init hid_init(void)
2295 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2296 "debugfs is now used for inspecting the device (report descriptor, reports)\n");
2298 ret = bus_register(&hid_bus_type);
2300 pr_err("can't register hid bus\n");
2304 ret = hidraw_init();
2312 bus_unregister(&hid_bus_type);
2317 static void __exit hid_exit(void)
2321 bus_unregister(&hid_bus_type);
2324 module_init(hid_init);
2325 module_exit(hid_exit);
2327 MODULE_AUTHOR("Andreas Gal");
2328 MODULE_AUTHOR("Vojtech Pavlik");
2329 MODULE_AUTHOR("Jiri Kosina");
2330 MODULE_LICENSE(DRIVER_LICENSE);