Version:  2.0.40 2.2.26 2.4.37 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0

Linux/drivers/hid/hid-core.c

  1 /*
  2  *  HID support for Linux
  3  *
  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
  8  */
  9 
 10 /*
 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)
 14  * any later version.
 15  */
 16 
 17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 18 
 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>
 24 #include <linux/mm.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>
 33 
 34 #include <linux/hid.h>
 35 #include <linux/hiddev.h>
 36 #include <linux/hid-debug.h>
 37 #include <linux/hidraw.h>
 38 
 39 #include "hid-ids.h"
 40 
 41 /*
 42  * Version Information
 43  */
 44 
 45 #define DRIVER_DESC "HID core driver"
 46 #define DRIVER_LICENSE "GPL"
 47 
 48 int hid_debug = 0;
 49 module_param_named(debug, hid_debug, int, 0600);
 50 MODULE_PARM_DESC(debug, "toggle HID debugging messages");
 51 EXPORT_SYMBOL_GPL(hid_debug);
 52 
 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(ignore_special_drivers, "Ignore any special drivers and handle all devices by generic driver");
 56 
 57 /*
 58  * Register a new report for a device.
 59  */
 60 
 61 struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
 62 {
 63         struct hid_report_enum *report_enum = device->report_enum + type;
 64         struct hid_report *report;
 65 
 66         if (id >= HID_MAX_IDS)
 67                 return NULL;
 68         if (report_enum->report_id_hash[id])
 69                 return report_enum->report_id_hash[id];
 70 
 71         report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
 72         if (!report)
 73                 return NULL;
 74 
 75         if (id != 0)
 76                 report_enum->numbered = 1;
 77 
 78         report->id = id;
 79         report->type = type;
 80         report->size = 0;
 81         report->device = device;
 82         report_enum->report_id_hash[id] = report;
 83 
 84         list_add_tail(&report->list, &report_enum->report_list);
 85 
 86         return report;
 87 }
 88 EXPORT_SYMBOL_GPL(hid_register_report);
 89 
 90 /*
 91  * Register a new field for this report.
 92  */
 93 
 94 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
 95 {
 96         struct hid_field *field;
 97 
 98         if (report->maxfield == HID_MAX_FIELDS) {
 99                 hid_err(report->device, "too many fields in report\n");
100                 return NULL;
101         }
102 
103         field = kzalloc((sizeof(struct hid_field) +
104                          usages * sizeof(struct hid_usage) +
105                          values * sizeof(unsigned)), GFP_KERNEL);
106         if (!field)
107                 return NULL;
108 
109         field->index = report->maxfield++;
110         report->field[field->index] = field;
111         field->usage = (struct hid_usage *)(field + 1);
112         field->value = (s32 *)(field->usage + usages);
113         field->report = report;
114 
115         return field;
116 }
117 
118 /*
119  * Open a collection. The type/usage is pushed on the stack.
120  */
121 
122 static int open_collection(struct hid_parser *parser, unsigned type)
123 {
124         struct hid_collection *collection;
125         unsigned usage;
126 
127         usage = parser->local.usage[0];
128 
129         if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
130                 hid_err(parser->device, "collection stack overflow\n");
131                 return -EINVAL;
132         }
133 
134         if (parser->device->maxcollection == parser->device->collection_size) {
135                 collection = kmalloc(sizeof(struct hid_collection) *
136                                 parser->device->collection_size * 2, GFP_KERNEL);
137                 if (collection == NULL) {
138                         hid_err(parser->device, "failed to reallocate collection array\n");
139                         return -ENOMEM;
140                 }
141                 memcpy(collection, parser->device->collection,
142                         sizeof(struct hid_collection) *
143                         parser->device->collection_size);
144                 memset(collection + parser->device->collection_size, 0,
145                         sizeof(struct hid_collection) *
146                         parser->device->collection_size);
147                 kfree(parser->device->collection);
148                 parser->device->collection = collection;
149                 parser->device->collection_size *= 2;
150         }
151 
152         parser->collection_stack[parser->collection_stack_ptr++] =
153                 parser->device->maxcollection;
154 
155         collection = parser->device->collection +
156                 parser->device->maxcollection++;
157         collection->type = type;
158         collection->usage = usage;
159         collection->level = parser->collection_stack_ptr - 1;
160 
161         if (type == HID_COLLECTION_APPLICATION)
162                 parser->device->maxapplication++;
163 
164         return 0;
165 }
166 
167 /*
168  * Close a collection.
169  */
170 
171 static int close_collection(struct hid_parser *parser)
172 {
173         if (!parser->collection_stack_ptr) {
174                 hid_err(parser->device, "collection stack underflow\n");
175                 return -EINVAL;
176         }
177         parser->collection_stack_ptr--;
178         return 0;
179 }
180 
181 /*
182  * Climb up the stack, search for the specified collection type
183  * and return the usage.
184  */
185 
186 static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
187 {
188         struct hid_collection *collection = parser->device->collection;
189         int n;
190 
191         for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
192                 unsigned index = parser->collection_stack[n];
193                 if (collection[index].type == type)
194                         return collection[index].usage;
195         }
196         return 0; /* we know nothing about this usage type */
197 }
198 
199 /*
200  * Add a usage to the temporary parser table.
201  */
202 
203 static int hid_add_usage(struct hid_parser *parser, unsigned usage)
204 {
205         if (parser->local.usage_index >= HID_MAX_USAGES) {
206                 hid_err(parser->device, "usage index exceeded\n");
207                 return -1;
208         }
209         parser->local.usage[parser->local.usage_index] = usage;
210         parser->local.collection_index[parser->local.usage_index] =
211                 parser->collection_stack_ptr ?
212                 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
213         parser->local.usage_index++;
214         return 0;
215 }
216 
217 /*
218  * Register a new field for this report.
219  */
220 
221 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
222 {
223         struct hid_report *report;
224         struct hid_field *field;
225         unsigned usages;
226         unsigned offset;
227         unsigned i;
228 
229         report = hid_register_report(parser->device, report_type, parser->global.report_id);
230         if (!report) {
231                 hid_err(parser->device, "hid_register_report failed\n");
232                 return -1;
233         }
234 
235         /* Handle both signed and unsigned cases properly */
236         if ((parser->global.logical_minimum < 0 &&
237                 parser->global.logical_maximum <
238                 parser->global.logical_minimum) ||
239                 (parser->global.logical_minimum >= 0 &&
240                 (__u32)parser->global.logical_maximum <
241                 (__u32)parser->global.logical_minimum)) {
242                 dbg_hid("logical range invalid 0x%x 0x%x\n",
243                         parser->global.logical_minimum,
244                         parser->global.logical_maximum);
245                 return -1;
246         }
247 
248         offset = report->size;
249         report->size += parser->global.report_size * parser->global.report_count;
250 
251         if (!parser->local.usage_index) /* Ignore padding fields */
252                 return 0;
253 
254         usages = max_t(unsigned, parser->local.usage_index,
255                                  parser->global.report_count);
256 
257         field = hid_register_field(report, usages, parser->global.report_count);
258         if (!field)
259                 return 0;
260 
261         field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
262         field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
263         field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
264 
265         for (i = 0; i < usages; i++) {
266                 unsigned j = i;
267                 /* Duplicate the last usage we parsed if we have excess values */
268                 if (i >= parser->local.usage_index)
269                         j = parser->local.usage_index - 1;
270                 field->usage[i].hid = parser->local.usage[j];
271                 field->usage[i].collection_index =
272                         parser->local.collection_index[j];
273                 field->usage[i].usage_index = i;
274         }
275 
276         field->maxusage = usages;
277         field->flags = flags;
278         field->report_offset = offset;
279         field->report_type = report_type;
280         field->report_size = parser->global.report_size;
281         field->report_count = parser->global.report_count;
282         field->logical_minimum = parser->global.logical_minimum;
283         field->logical_maximum = parser->global.logical_maximum;
284         field->physical_minimum = parser->global.physical_minimum;
285         field->physical_maximum = parser->global.physical_maximum;
286         field->unit_exponent = parser->global.unit_exponent;
287         field->unit = parser->global.unit;
288 
289         return 0;
290 }
291 
292 /*
293  * Read data value from item.
294  */
295 
296 static u32 item_udata(struct hid_item *item)
297 {
298         switch (item->size) {
299         case 1: return item->data.u8;
300         case 2: return item->data.u16;
301         case 4: return item->data.u32;
302         }
303         return 0;
304 }
305 
306 static s32 item_sdata(struct hid_item *item)
307 {
308         switch (item->size) {
309         case 1: return item->data.s8;
310         case 2: return item->data.s16;
311         case 4: return item->data.s32;
312         }
313         return 0;
314 }
315 
316 /*
317  * Process a global item.
318  */
319 
320 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
321 {
322         __s32 raw_value;
323         switch (item->tag) {
324         case HID_GLOBAL_ITEM_TAG_PUSH:
325 
326                 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
327                         hid_err(parser->device, "global environment stack overflow\n");
328                         return -1;
329                 }
330 
331                 memcpy(parser->global_stack + parser->global_stack_ptr++,
332                         &parser->global, sizeof(struct hid_global));
333                 return 0;
334 
335         case HID_GLOBAL_ITEM_TAG_POP:
336 
337                 if (!parser->global_stack_ptr) {
338                         hid_err(parser->device, "global environment stack underflow\n");
339                         return -1;
340                 }
341 
342                 memcpy(&parser->global, parser->global_stack +
343                         --parser->global_stack_ptr, sizeof(struct hid_global));
344                 return 0;
345 
346         case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
347                 parser->global.usage_page = item_udata(item);
348                 return 0;
349 
350         case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
351                 parser->global.logical_minimum = item_sdata(item);
352                 return 0;
353 
354         case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
355                 if (parser->global.logical_minimum < 0)
356                         parser->global.logical_maximum = item_sdata(item);
357                 else
358                         parser->global.logical_maximum = item_udata(item);
359                 return 0;
360 
361         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
362                 parser->global.physical_minimum = item_sdata(item);
363                 return 0;
364 
365         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
366                 if (parser->global.physical_minimum < 0)
367                         parser->global.physical_maximum = item_sdata(item);
368                 else
369                         parser->global.physical_maximum = item_udata(item);
370                 return 0;
371 
372         case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
373                 /* Many devices provide unit exponent as a two's complement
374                  * nibble due to the common misunderstanding of HID
375                  * specification 1.11, 6.2.2.7 Global Items. Attempt to handle
376                  * both this and the standard encoding. */
377                 raw_value = item_sdata(item);
378                 if (!(raw_value & 0xfffffff0))
379                         parser->global.unit_exponent = hid_snto32(raw_value, 4);
380                 else
381                         parser->global.unit_exponent = raw_value;
382                 return 0;
383 
384         case HID_GLOBAL_ITEM_TAG_UNIT:
385                 parser->global.unit = item_udata(item);
386                 return 0;
387 
388         case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
389                 parser->global.report_size = item_udata(item);
390                 if (parser->global.report_size > 128) {
391                         hid_err(parser->device, "invalid report_size %d\n",
392                                         parser->global.report_size);
393                         return -1;
394                 }
395                 return 0;
396 
397         case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
398                 parser->global.report_count = item_udata(item);
399                 if (parser->global.report_count > HID_MAX_USAGES) {
400                         hid_err(parser->device, "invalid report_count %d\n",
401                                         parser->global.report_count);
402                         return -1;
403                 }
404                 return 0;
405 
406         case HID_GLOBAL_ITEM_TAG_REPORT_ID:
407                 parser->global.report_id = item_udata(item);
408                 if (parser->global.report_id == 0 ||
409                     parser->global.report_id >= HID_MAX_IDS) {
410                         hid_err(parser->device, "report_id %u is invalid\n",
411                                 parser->global.report_id);
412                         return -1;
413                 }
414                 return 0;
415 
416         default:
417                 hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
418                 return -1;
419         }
420 }
421 
422 /*
423  * Process a local item.
424  */
425 
426 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
427 {
428         __u32 data;
429         unsigned n;
430 
431         data = item_udata(item);
432 
433         switch (item->tag) {
434         case HID_LOCAL_ITEM_TAG_DELIMITER:
435 
436                 if (data) {
437                         /*
438                          * We treat items before the first delimiter
439                          * as global to all usage sets (branch 0).
440                          * In the moment we process only these global
441                          * items and the first delimiter set.
442                          */
443                         if (parser->local.delimiter_depth != 0) {
444                                 hid_err(parser->device, "nested delimiters\n");
445                                 return -1;
446                         }
447                         parser->local.delimiter_depth++;
448                         parser->local.delimiter_branch++;
449                 } else {
450                         if (parser->local.delimiter_depth < 1) {
451                                 hid_err(parser->device, "bogus close delimiter\n");
452                                 return -1;
453                         }
454                         parser->local.delimiter_depth--;
455                 }
456                 return 0;
457 
458         case HID_LOCAL_ITEM_TAG_USAGE:
459 
460                 if (parser->local.delimiter_branch > 1) {
461                         dbg_hid("alternative usage ignored\n");
462                         return 0;
463                 }
464 
465                 if (item->size <= 2)
466                         data = (parser->global.usage_page << 16) + data;
467 
468                 return hid_add_usage(parser, data);
469 
470         case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
471 
472                 if (parser->local.delimiter_branch > 1) {
473                         dbg_hid("alternative usage ignored\n");
474                         return 0;
475                 }
476 
477                 if (item->size <= 2)
478                         data = (parser->global.usage_page << 16) + data;
479 
480                 parser->local.usage_minimum = data;
481                 return 0;
482 
483         case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
484 
485                 if (parser->local.delimiter_branch > 1) {
486                         dbg_hid("alternative usage ignored\n");
487                         return 0;
488                 }
489 
490                 if (item->size <= 2)
491                         data = (parser->global.usage_page << 16) + data;
492 
493                 for (n = parser->local.usage_minimum; n <= data; n++)
494                         if (hid_add_usage(parser, n)) {
495                                 dbg_hid("hid_add_usage failed\n");
496                                 return -1;
497                         }
498                 return 0;
499 
500         default:
501 
502                 dbg_hid("unknown local item tag 0x%x\n", item->tag);
503                 return 0;
504         }
505         return 0;
506 }
507 
508 /*
509  * Process a main item.
510  */
511 
512 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
513 {
514         __u32 data;
515         int ret;
516 
517         data = item_udata(item);
518 
519         switch (item->tag) {
520         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
521                 ret = open_collection(parser, data & 0xff);
522                 break;
523         case HID_MAIN_ITEM_TAG_END_COLLECTION:
524                 ret = close_collection(parser);
525                 break;
526         case HID_MAIN_ITEM_TAG_INPUT:
527                 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
528                 break;
529         case HID_MAIN_ITEM_TAG_OUTPUT:
530                 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
531                 break;
532         case HID_MAIN_ITEM_TAG_FEATURE:
533                 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
534                 break;
535         default:
536                 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
537                 ret = 0;
538         }
539 
540         memset(&parser->local, 0, sizeof(parser->local));       /* Reset the local parser environment */
541 
542         return ret;
543 }
544 
545 /*
546  * Process a reserved item.
547  */
548 
549 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
550 {
551         dbg_hid("reserved item type, tag 0x%x\n", item->tag);
552         return 0;
553 }
554 
555 /*
556  * Free a report and all registered fields. The field->usage and
557  * field->value table's are allocated behind the field, so we need
558  * only to free(field) itself.
559  */
560 
561 static void hid_free_report(struct hid_report *report)
562 {
563         unsigned n;
564 
565         for (n = 0; n < report->maxfield; n++)
566                 kfree(report->field[n]);
567         kfree(report);
568 }
569 
570 /*
571  * Close report. This function returns the device
572  * state to the point prior to hid_open_report().
573  */
574 static void hid_close_report(struct hid_device *device)
575 {
576         unsigned i, j;
577 
578         for (i = 0; i < HID_REPORT_TYPES; i++) {
579                 struct hid_report_enum *report_enum = device->report_enum + i;
580 
581                 for (j = 0; j < HID_MAX_IDS; j++) {
582                         struct hid_report *report = report_enum->report_id_hash[j];
583                         if (report)
584                                 hid_free_report(report);
585                 }
586                 memset(report_enum, 0, sizeof(*report_enum));
587                 INIT_LIST_HEAD(&report_enum->report_list);
588         }
589 
590         kfree(device->rdesc);
591         device->rdesc = NULL;
592         device->rsize = 0;
593 
594         kfree(device->collection);
595         device->collection = NULL;
596         device->collection_size = 0;
597         device->maxcollection = 0;
598         device->maxapplication = 0;
599 
600         device->status &= ~HID_STAT_PARSED;
601 }
602 
603 /*
604  * Free a device structure, all reports, and all fields.
605  */
606 
607 static void hid_device_release(struct device *dev)
608 {
609         struct hid_device *hid = container_of(dev, struct hid_device, dev);
610 
611         hid_close_report(hid);
612         kfree(hid->dev_rdesc);
613         kfree(hid);
614 }
615 
616 /*
617  * Fetch a report description item from the data stream. We support long
618  * items, though they are not used yet.
619  */
620 
621 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
622 {
623         u8 b;
624 
625         if ((end - start) <= 0)
626                 return NULL;
627 
628         b = *start++;
629 
630         item->type = (b >> 2) & 3;
631         item->tag  = (b >> 4) & 15;
632 
633         if (item->tag == HID_ITEM_TAG_LONG) {
634 
635                 item->format = HID_ITEM_FORMAT_LONG;
636 
637                 if ((end - start) < 2)
638                         return NULL;
639 
640                 item->size = *start++;
641                 item->tag  = *start++;
642 
643                 if ((end - start) < item->size)
644                         return NULL;
645 
646                 item->data.longdata = start;
647                 start += item->size;
648                 return start;
649         }
650 
651         item->format = HID_ITEM_FORMAT_SHORT;
652         item->size = b & 3;
653 
654         switch (item->size) {
655         case 0:
656                 return start;
657 
658         case 1:
659                 if ((end - start) < 1)
660                         return NULL;
661                 item->data.u8 = *start++;
662                 return start;
663 
664         case 2:
665                 if ((end - start) < 2)
666                         return NULL;
667                 item->data.u16 = get_unaligned_le16(start);
668                 start = (__u8 *)((__le16 *)start + 1);
669                 return start;
670 
671         case 3:
672                 item->size++;
673                 if ((end - start) < 4)
674                         return NULL;
675                 item->data.u32 = get_unaligned_le32(start);
676                 start = (__u8 *)((__le32 *)start + 1);
677                 return start;
678         }
679 
680         return NULL;
681 }
682 
683 static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
684 {
685         struct hid_device *hid = parser->device;
686 
687         if (usage == HID_DG_CONTACTID)
688                 hid->group = HID_GROUP_MULTITOUCH;
689 }
690 
691 static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
692 {
693         if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
694             parser->global.report_size == 8)
695                 parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
696 }
697 
698 static void hid_scan_collection(struct hid_parser *parser, unsigned type)
699 {
700         struct hid_device *hid = parser->device;
701         int i;
702 
703         if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
704             type == HID_COLLECTION_PHYSICAL)
705                 hid->group = HID_GROUP_SENSOR_HUB;
706 
707         if (hid->vendor == USB_VENDOR_ID_MICROSOFT &&
708             (hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3 ||
709              hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3_JP) &&
710             hid->group == HID_GROUP_MULTITOUCH)
711                 hid->group = HID_GROUP_GENERIC;
712 
713         if ((parser->global.usage_page << 16) == HID_UP_GENDESK)
714                 for (i = 0; i < parser->local.usage_index; i++)
715                         if (parser->local.usage[i] == HID_GD_POINTER)
716                                 parser->scan_flags |= HID_SCAN_FLAG_GD_POINTER;
717 
718         if ((parser->global.usage_page << 16) >= HID_UP_MSVENDOR)
719                 parser->scan_flags |= HID_SCAN_FLAG_VENDOR_SPECIFIC;
720 }
721 
722 static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
723 {
724         __u32 data;
725         int i;
726 
727         data = item_udata(item);
728 
729         switch (item->tag) {
730         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
731                 hid_scan_collection(parser, data & 0xff);
732                 break;
733         case HID_MAIN_ITEM_TAG_END_COLLECTION:
734                 break;
735         case HID_MAIN_ITEM_TAG_INPUT:
736                 /* ignore constant inputs, they will be ignored by hid-input */
737                 if (data & HID_MAIN_ITEM_CONSTANT)
738                         break;
739                 for (i = 0; i < parser->local.usage_index; i++)
740                         hid_scan_input_usage(parser, parser->local.usage[i]);
741                 break;
742         case HID_MAIN_ITEM_TAG_OUTPUT:
743                 break;
744         case HID_MAIN_ITEM_TAG_FEATURE:
745                 for (i = 0; i < parser->local.usage_index; i++)
746                         hid_scan_feature_usage(parser, parser->local.usage[i]);
747                 break;
748         }
749 
750         /* Reset the local parser environment */
751         memset(&parser->local, 0, sizeof(parser->local));
752 
753         return 0;
754 }
755 
756 /*
757  * Scan a report descriptor before the device is added to the bus.
758  * Sets device groups and other properties that determine what driver
759  * to load.
760  */
761 static int hid_scan_report(struct hid_device *hid)
762 {
763         struct hid_parser *parser;
764         struct hid_item item;
765         __u8 *start = hid->dev_rdesc;
766         __u8 *end = start + hid->dev_rsize;
767         static int (*dispatch_type[])(struct hid_parser *parser,
768                                       struct hid_item *item) = {
769                 hid_scan_main,
770                 hid_parser_global,
771                 hid_parser_local,
772                 hid_parser_reserved
773         };
774 
775         parser = vzalloc(sizeof(struct hid_parser));
776         if (!parser)
777                 return -ENOMEM;
778 
779         parser->device = hid;
780         hid->group = HID_GROUP_GENERIC;
781 
782         /*
783          * The parsing is simpler than the one in hid_open_report() as we should
784          * be robust against hid errors. Those errors will be raised by
785          * hid_open_report() anyway.
786          */
787         while ((start = fetch_item(start, end, &item)) != NULL)
788                 dispatch_type[item.type](parser, &item);
789 
790         /*
791          * Handle special flags set during scanning.
792          */
793         if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
794             (hid->group == HID_GROUP_MULTITOUCH))
795                 hid->group = HID_GROUP_MULTITOUCH_WIN_8;
796 
797         /*
798          * Vendor specific handlings
799          */
800         switch (hid->vendor) {
801         case USB_VENDOR_ID_WACOM:
802                 hid->group = HID_GROUP_WACOM;
803                 break;
804         case USB_VENDOR_ID_SYNAPTICS:
805                 if (hid->group == HID_GROUP_GENERIC)
806                         if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC)
807                             && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER))
808                                 /*
809                                  * hid-rmi should take care of them,
810                                  * not hid-generic
811                                  */
812                                 hid->group = HID_GROUP_RMI;
813                 break;
814         }
815 
816         vfree(parser);
817         return 0;
818 }
819 
820 /**
821  * hid_parse_report - parse device report
822  *
823  * @device: hid device
824  * @start: report start
825  * @size: report size
826  *
827  * Allocate the device report as read by the bus driver. This function should
828  * only be called from parse() in ll drivers.
829  */
830 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
831 {
832         hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
833         if (!hid->dev_rdesc)
834                 return -ENOMEM;
835         hid->dev_rsize = size;
836         return 0;
837 }
838 EXPORT_SYMBOL_GPL(hid_parse_report);
839 
840 static const char * const hid_report_names[] = {
841         "HID_INPUT_REPORT",
842         "HID_OUTPUT_REPORT",
843         "HID_FEATURE_REPORT",
844 };
845 /**
846  * hid_validate_values - validate existing device report's value indexes
847  *
848  * @device: hid device
849  * @type: which report type to examine
850  * @id: which report ID to examine (0 for first)
851  * @field_index: which report field to examine
852  * @report_counts: expected number of values
853  *
854  * Validate the number of values in a given field of a given report, after
855  * parsing.
856  */
857 struct hid_report *hid_validate_values(struct hid_device *hid,
858                                        unsigned int type, unsigned int id,
859                                        unsigned int field_index,
860                                        unsigned int report_counts)
861 {
862         struct hid_report *report;
863 
864         if (type > HID_FEATURE_REPORT) {
865                 hid_err(hid, "invalid HID report type %u\n", type);
866                 return NULL;
867         }
868 
869         if (id >= HID_MAX_IDS) {
870                 hid_err(hid, "invalid HID report id %u\n", id);
871                 return NULL;
872         }
873 
874         /*
875          * Explicitly not using hid_get_report() here since it depends on
876          * ->numbered being checked, which may not always be the case when
877          * drivers go to access report values.
878          */
879         if (id == 0) {
880                 /*
881                  * Validating on id 0 means we should examine the first
882                  * report in the list.
883                  */
884                 report = list_entry(
885                                 hid->report_enum[type].report_list.next,
886                                 struct hid_report, list);
887         } else {
888                 report = hid->report_enum[type].report_id_hash[id];
889         }
890         if (!report) {
891                 hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
892                 return NULL;
893         }
894         if (report->maxfield <= field_index) {
895                 hid_err(hid, "not enough fields in %s %u\n",
896                         hid_report_names[type], id);
897                 return NULL;
898         }
899         if (report->field[field_index]->report_count < report_counts) {
900                 hid_err(hid, "not enough values in %s %u field %u\n",
901                         hid_report_names[type], id, field_index);
902                 return NULL;
903         }
904         return report;
905 }
906 EXPORT_SYMBOL_GPL(hid_validate_values);
907 
908 /**
909  * hid_open_report - open a driver-specific device report
910  *
911  * @device: hid device
912  *
913  * Parse a report description into a hid_device structure. Reports are
914  * enumerated, fields are attached to these reports.
915  * 0 returned on success, otherwise nonzero error value.
916  *
917  * This function (or the equivalent hid_parse() macro) should only be
918  * called from probe() in drivers, before starting the device.
919  */
920 int hid_open_report(struct hid_device *device)
921 {
922         struct hid_parser *parser;
923         struct hid_item item;
924         unsigned int size;
925         __u8 *start;
926         __u8 *buf;
927         __u8 *end;
928         int ret;
929         static int (*dispatch_type[])(struct hid_parser *parser,
930                                       struct hid_item *item) = {
931                 hid_parser_main,
932                 hid_parser_global,
933                 hid_parser_local,
934                 hid_parser_reserved
935         };
936 
937         if (WARN_ON(device->status & HID_STAT_PARSED))
938                 return -EBUSY;
939 
940         start = device->dev_rdesc;
941         if (WARN_ON(!start))
942                 return -ENODEV;
943         size = device->dev_rsize;
944 
945         buf = kmemdup(start, size, GFP_KERNEL);
946         if (buf == NULL)
947                 return -ENOMEM;
948 
949         if (device->driver->report_fixup)
950                 start = device->driver->report_fixup(device, buf, &size);
951         else
952                 start = buf;
953 
954         start = kmemdup(start, size, GFP_KERNEL);
955         kfree(buf);
956         if (start == NULL)
957                 return -ENOMEM;
958 
959         device->rdesc = start;
960         device->rsize = size;
961 
962         parser = vzalloc(sizeof(struct hid_parser));
963         if (!parser) {
964                 ret = -ENOMEM;
965                 goto err;
966         }
967 
968         parser->device = device;
969 
970         end = start + size;
971 
972         device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
973                                      sizeof(struct hid_collection), GFP_KERNEL);
974         if (!device->collection) {
975                 ret = -ENOMEM;
976                 goto err;
977         }
978         device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
979 
980         ret = -EINVAL;
981         while ((start = fetch_item(start, end, &item)) != NULL) {
982 
983                 if (item.format != HID_ITEM_FORMAT_SHORT) {
984                         hid_err(device, "unexpected long global item\n");
985                         goto err;
986                 }
987 
988                 if (dispatch_type[item.type](parser, &item)) {
989                         hid_err(device, "item %u %u %u %u parsing failed\n",
990                                 item.format, (unsigned)item.size,
991                                 (unsigned)item.type, (unsigned)item.tag);
992                         goto err;
993                 }
994 
995                 if (start == end) {
996                         if (parser->collection_stack_ptr) {
997                                 hid_err(device, "unbalanced collection at end of report description\n");
998                                 goto err;
999                         }
1000                         if (parser->local.delimiter_depth) {
1001                                 hid_err(device, "unbalanced delimiter at end of report description\n");
1002                                 goto err;
1003                         }
1004                         vfree(parser);
1005                         device->status |= HID_STAT_PARSED;
1006                         return 0;
1007                 }
1008         }
1009 
1010         hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
1011 err:
1012         vfree(parser);
1013         hid_close_report(device);
1014         return ret;
1015 }
1016 EXPORT_SYMBOL_GPL(hid_open_report);
1017 
1018 /*
1019  * Convert a signed n-bit integer to signed 32-bit integer. Common
1020  * cases are done through the compiler, the screwed things has to be
1021  * done by hand.
1022  */
1023 
1024 static s32 snto32(__u32 value, unsigned n)
1025 {
1026         switch (n) {
1027         case 8:  return ((__s8)value);
1028         case 16: return ((__s16)value);
1029         case 32: return ((__s32)value);
1030         }
1031         return value & (1 << (n - 1)) ? value | (-1 << n) : value;
1032 }
1033 
1034 s32 hid_snto32(__u32 value, unsigned n)
1035 {
1036         return snto32(value, n);
1037 }
1038 EXPORT_SYMBOL_GPL(hid_snto32);
1039 
1040 /*
1041  * Convert a signed 32-bit integer to a signed n-bit integer.
1042  */
1043 
1044 static u32 s32ton(__s32 value, unsigned n)
1045 {
1046         s32 a = value >> (n - 1);
1047         if (a && a != -1)
1048                 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1049         return value & ((1 << n) - 1);
1050 }
1051 
1052 /*
1053  * Extract/implement a data field from/to a little endian report (bit array).
1054  *
1055  * Code sort-of follows HID spec:
1056  *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
1057  *
1058  * While the USB HID spec allows unlimited length bit fields in "report
1059  * descriptors", most devices never use more than 16 bits.
1060  * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1061  * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1062  */
1063 
1064 static __u32 extract(const struct hid_device *hid, __u8 *report,
1065                      unsigned offset, unsigned n)
1066 {
1067         u64 x;
1068 
1069         if (n > 32)
1070                 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
1071                          n, current->comm);
1072 
1073         report += offset >> 3;  /* adjust byte index */
1074         offset &= 7;            /* now only need bit offset into one byte */
1075         x = get_unaligned_le64(report);
1076         x = (x >> offset) & ((1ULL << n) - 1);  /* extract bit field */
1077         return (u32) x;
1078 }
1079 
1080 /*
1081  * "implement" : set bits in a little endian bit stream.
1082  * Same concepts as "extract" (see comments above).
1083  * The data mangled in the bit stream remains in little endian
1084  * order the whole time. It make more sense to talk about
1085  * endianness of register values by considering a register
1086  * a "cached" copy of the little endiad bit stream.
1087  */
1088 static void implement(const struct hid_device *hid, __u8 *report,
1089                       unsigned offset, unsigned n, __u32 value)
1090 {
1091         u64 x;
1092         u64 m = (1ULL << n) - 1;
1093 
1094         if (n > 32)
1095                 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1096                          __func__, n, current->comm);
1097 
1098         if (value > m)
1099                 hid_warn(hid, "%s() called with too large value %d! (%s)\n",
1100                          __func__, value, current->comm);
1101         WARN_ON(value > m);
1102         value &= m;
1103 
1104         report += offset >> 3;
1105         offset &= 7;
1106 
1107         x = get_unaligned_le64(report);
1108         x &= ~(m << offset);
1109         x |= ((u64)value) << offset;
1110         put_unaligned_le64(x, report);
1111 }
1112 
1113 /*
1114  * Search an array for a value.
1115  */
1116 
1117 static int search(__s32 *array, __s32 value, unsigned n)
1118 {
1119         while (n--) {
1120                 if (*array++ == value)
1121                         return 0;
1122         }
1123         return -1;
1124 }
1125 
1126 /**
1127  * hid_match_report - check if driver's raw_event should be called
1128  *
1129  * @hid: hid device
1130  * @report_type: type to match against
1131  *
1132  * compare hid->driver->report_table->report_type to report->type
1133  */
1134 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1135 {
1136         const struct hid_report_id *id = hid->driver->report_table;
1137 
1138         if (!id) /* NULL means all */
1139                 return 1;
1140 
1141         for (; id->report_type != HID_TERMINATOR; id++)
1142                 if (id->report_type == HID_ANY_ID ||
1143                                 id->report_type == report->type)
1144                         return 1;
1145         return 0;
1146 }
1147 
1148 /**
1149  * hid_match_usage - check if driver's event should be called
1150  *
1151  * @hid: hid device
1152  * @usage: usage to match against
1153  *
1154  * compare hid->driver->usage_table->usage_{type,code} to
1155  * usage->usage_{type,code}
1156  */
1157 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1158 {
1159         const struct hid_usage_id *id = hid->driver->usage_table;
1160 
1161         if (!id) /* NULL means all */
1162                 return 1;
1163 
1164         for (; id->usage_type != HID_ANY_ID - 1; id++)
1165                 if ((id->usage_hid == HID_ANY_ID ||
1166                                 id->usage_hid == usage->hid) &&
1167                                 (id->usage_type == HID_ANY_ID ||
1168                                 id->usage_type == usage->type) &&
1169                                 (id->usage_code == HID_ANY_ID ||
1170                                  id->usage_code == usage->code))
1171                         return 1;
1172         return 0;
1173 }
1174 
1175 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1176                 struct hid_usage *usage, __s32 value, int interrupt)
1177 {
1178         struct hid_driver *hdrv = hid->driver;
1179         int ret;
1180 
1181         if (!list_empty(&hid->debug_list))
1182                 hid_dump_input(hid, usage, value);
1183 
1184         if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1185                 ret = hdrv->event(hid, field, usage, value);
1186                 if (ret != 0) {
1187                         if (ret < 0)
1188                                 hid_err(hid, "%s's event failed with %d\n",
1189                                                 hdrv->name, ret);
1190                         return;
1191                 }
1192         }
1193 
1194         if (hid->claimed & HID_CLAIMED_INPUT)
1195                 hidinput_hid_event(hid, field, usage, value);
1196         if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1197                 hid->hiddev_hid_event(hid, field, usage, value);
1198 }
1199 
1200 /*
1201  * Analyse a received field, and fetch the data from it. The field
1202  * content is stored for next report processing (we do differential
1203  * reporting to the layer).
1204  */
1205 
1206 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1207                             __u8 *data, int interrupt)
1208 {
1209         unsigned n;
1210         unsigned count = field->report_count;
1211         unsigned offset = field->report_offset;
1212         unsigned size = field->report_size;
1213         __s32 min = field->logical_minimum;
1214         __s32 max = field->logical_maximum;
1215         __s32 *value;
1216 
1217         value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1218         if (!value)
1219                 return;
1220 
1221         for (n = 0; n < count; n++) {
1222 
1223                 value[n] = min < 0 ?
1224                         snto32(extract(hid, data, offset + n * size, size),
1225                                size) :
1226                         extract(hid, data, offset + n * size, size);
1227 
1228                 /* Ignore report if ErrorRollOver */
1229                 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1230                     value[n] >= min && value[n] <= max &&
1231                     field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1232                         goto exit;
1233         }
1234 
1235         for (n = 0; n < count; n++) {
1236 
1237                 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1238                         hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1239                         continue;
1240                 }
1241 
1242                 if (field->value[n] >= min && field->value[n] <= max
1243                         && field->usage[field->value[n] - min].hid
1244                         && search(value, field->value[n], count))
1245                                 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1246 
1247                 if (value[n] >= min && value[n] <= max
1248                         && field->usage[value[n] - min].hid
1249                         && search(field->value, value[n], count))
1250                                 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1251         }
1252 
1253         memcpy(field->value, value, count * sizeof(__s32));
1254 exit:
1255         kfree(value);
1256 }
1257 
1258 /*
1259  * Output the field into the report.
1260  */
1261 
1262 static void hid_output_field(const struct hid_device *hid,
1263                              struct hid_field *field, __u8 *data)
1264 {
1265         unsigned count = field->report_count;
1266         unsigned offset = field->report_offset;
1267         unsigned size = field->report_size;
1268         unsigned n;
1269 
1270         for (n = 0; n < count; n++) {
1271                 if (field->logical_minimum < 0) /* signed values */
1272                         implement(hid, data, offset + n * size, size,
1273                                   s32ton(field->value[n], size));
1274                 else                            /* unsigned values */
1275                         implement(hid, data, offset + n * size, size,
1276                                   field->value[n]);
1277         }
1278 }
1279 
1280 /*
1281  * Create a report. 'data' has to be allocated using
1282  * hid_alloc_report_buf() so that it has proper size.
1283  */
1284 
1285 void hid_output_report(struct hid_report *report, __u8 *data)
1286 {
1287         unsigned n;
1288 
1289         if (report->id > 0)
1290                 *data++ = report->id;
1291 
1292         memset(data, 0, ((report->size - 1) >> 3) + 1);
1293         for (n = 0; n < report->maxfield; n++)
1294                 hid_output_field(report->device, report->field[n], data);
1295 }
1296 EXPORT_SYMBOL_GPL(hid_output_report);
1297 
1298 /*
1299  * Allocator for buffer that is going to be passed to hid_output_report()
1300  */
1301 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1302 {
1303         /*
1304          * 7 extra bytes are necessary to achieve proper functionality
1305          * of implement() working on 8 byte chunks
1306          */
1307 
1308         int len = hid_report_len(report) + 7;
1309 
1310         return kmalloc(len, flags);
1311 }
1312 EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1313 
1314 /*
1315  * Set a field value. The report this field belongs to has to be
1316  * created and transferred to the device, to set this value in the
1317  * device.
1318  */
1319 
1320 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1321 {
1322         unsigned size;
1323 
1324         if (!field)
1325                 return -1;
1326 
1327         size = field->report_size;
1328 
1329         hid_dump_input(field->report->device, field->usage + offset, value);
1330 
1331         if (offset >= field->report_count) {
1332                 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1333                                 offset, field->report_count);
1334                 return -1;
1335         }
1336         if (field->logical_minimum < 0) {
1337                 if (value != snto32(s32ton(value, size), size)) {
1338                         hid_err(field->report->device, "value %d is out of range\n", value);
1339                         return -1;
1340                 }
1341         }
1342         field->value[offset] = value;
1343         return 0;
1344 }
1345 EXPORT_SYMBOL_GPL(hid_set_field);
1346 
1347 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1348                 const u8 *data)
1349 {
1350         struct hid_report *report;
1351         unsigned int n = 0;     /* Normally report number is 0 */
1352 
1353         /* Device uses numbered reports, data[0] is report number */
1354         if (report_enum->numbered)
1355                 n = *data;
1356 
1357         report = report_enum->report_id_hash[n];
1358         if (report == NULL)
1359                 dbg_hid("undefined report_id %u received\n", n);
1360 
1361         return report;
1362 }
1363 
1364 /*
1365  * Implement a generic .request() callback, using .raw_request()
1366  * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1367  */
1368 void __hid_request(struct hid_device *hid, struct hid_report *report,
1369                 int reqtype)
1370 {
1371         char *buf;
1372         int ret;
1373         int len;
1374 
1375         buf = hid_alloc_report_buf(report, GFP_KERNEL);
1376         if (!buf)
1377                 return;
1378 
1379         len = hid_report_len(report);
1380 
1381         if (reqtype == HID_REQ_SET_REPORT)
1382                 hid_output_report(report, buf);
1383 
1384         ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1385                                           report->type, reqtype);
1386         if (ret < 0) {
1387                 dbg_hid("unable to complete request: %d\n", ret);
1388                 goto out;
1389         }
1390 
1391         if (reqtype == HID_REQ_GET_REPORT)
1392                 hid_input_report(hid, report->type, buf, ret, 0);
1393 
1394 out:
1395         kfree(buf);
1396 }
1397 EXPORT_SYMBOL_GPL(__hid_request);
1398 
1399 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1400                 int interrupt)
1401 {
1402         struct hid_report_enum *report_enum = hid->report_enum + type;
1403         struct hid_report *report;
1404         struct hid_driver *hdrv;
1405         unsigned int a;
1406         int rsize, csize = size;
1407         u8 *cdata = data;
1408         int ret = 0;
1409 
1410         report = hid_get_report(report_enum, data);
1411         if (!report)
1412                 goto out;
1413 
1414         if (report_enum->numbered) {
1415                 cdata++;
1416                 csize--;
1417         }
1418 
1419         rsize = ((report->size - 1) >> 3) + 1;
1420 
1421         if (rsize > HID_MAX_BUFFER_SIZE)
1422                 rsize = HID_MAX_BUFFER_SIZE;
1423 
1424         if (csize < rsize) {
1425                 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1426                                 csize, rsize);
1427                 memset(cdata + csize, 0, rsize - csize);
1428         }
1429 
1430         if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1431                 hid->hiddev_report_event(hid, report);
1432         if (hid->claimed & HID_CLAIMED_HIDRAW) {
1433                 ret = hidraw_report_event(hid, data, size);
1434                 if (ret)
1435                         goto out;
1436         }
1437 
1438         if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
1439                 for (a = 0; a < report->maxfield; a++)
1440                         hid_input_field(hid, report->field[a], cdata, interrupt);
1441                 hdrv = hid->driver;
1442                 if (hdrv && hdrv->report)
1443                         hdrv->report(hid, report);
1444         }
1445 
1446         if (hid->claimed & HID_CLAIMED_INPUT)
1447                 hidinput_report_event(hid, report);
1448 out:
1449         return ret;
1450 }
1451 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1452 
1453 /**
1454  * hid_input_report - report data from lower layer (usb, bt...)
1455  *
1456  * @hid: hid device
1457  * @type: HID report type (HID_*_REPORT)
1458  * @data: report contents
1459  * @size: size of data parameter
1460  * @interrupt: distinguish between interrupt and control transfers
1461  *
1462  * This is data entry for lower layers.
1463  */
1464 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1465 {
1466         struct hid_report_enum *report_enum;
1467         struct hid_driver *hdrv;
1468         struct hid_report *report;
1469         int ret = 0;
1470 
1471         if (!hid)
1472                 return -ENODEV;
1473 
1474         if (down_trylock(&hid->driver_input_lock))
1475                 return -EBUSY;
1476 
1477         if (!hid->driver) {
1478                 ret = -ENODEV;
1479                 goto unlock;
1480         }
1481         report_enum = hid->report_enum + type;
1482         hdrv = hid->driver;
1483 
1484         if (!size) {
1485                 dbg_hid("empty report\n");
1486                 ret = -1;
1487                 goto unlock;
1488         }
1489 
1490         /* Avoid unnecessary overhead if debugfs is disabled */
1491         if (!list_empty(&hid->debug_list))
1492                 hid_dump_report(hid, type, data, size);
1493 
1494         report = hid_get_report(report_enum, data);
1495 
1496         if (!report) {
1497                 ret = -1;
1498                 goto unlock;
1499         }
1500 
1501         if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1502                 ret = hdrv->raw_event(hid, report, data, size);
1503                 if (ret < 0)
1504                         goto unlock;
1505         }
1506 
1507         ret = hid_report_raw_event(hid, type, data, size, interrupt);
1508 
1509 unlock:
1510         up(&hid->driver_input_lock);
1511         return ret;
1512 }
1513 EXPORT_SYMBOL_GPL(hid_input_report);
1514 
1515 static bool hid_match_one_id(struct hid_device *hdev,
1516                 const struct hid_device_id *id)
1517 {
1518         return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1519                 (id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1520                 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1521                 (id->product == HID_ANY_ID || id->product == hdev->product);
1522 }
1523 
1524 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1525                 const struct hid_device_id *id)
1526 {
1527         for (; id->bus; id++)
1528                 if (hid_match_one_id(hdev, id))
1529                         return id;
1530 
1531         return NULL;
1532 }
1533 
1534 static const struct hid_device_id hid_hiddev_list[] = {
1535         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1536         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1537         { }
1538 };
1539 
1540 static bool hid_hiddev(struct hid_device *hdev)
1541 {
1542         return !!hid_match_id(hdev, hid_hiddev_list);
1543 }
1544 
1545 
1546 static ssize_t
1547 read_report_descriptor(struct file *filp, struct kobject *kobj,
1548                 struct bin_attribute *attr,
1549                 char *buf, loff_t off, size_t count)
1550 {
1551         struct device *dev = container_of(kobj, struct device, kobj);
1552         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1553 
1554         if (off >= hdev->rsize)
1555                 return 0;
1556 
1557         if (off + count > hdev->rsize)
1558                 count = hdev->rsize - off;
1559 
1560         memcpy(buf, hdev->rdesc + off, count);
1561 
1562         return count;
1563 }
1564 
1565 static struct bin_attribute dev_bin_attr_report_desc = {
1566         .attr = { .name = "report_descriptor", .mode = 0444 },
1567         .read = read_report_descriptor,
1568         .size = HID_MAX_DESCRIPTOR_SIZE,
1569 };
1570 
1571 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1572 {
1573         static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1574                 "Joystick", "Gamepad", "Keyboard", "Keypad",
1575                 "Multi-Axis Controller"
1576         };
1577         const char *type, *bus;
1578         char buf[64];
1579         unsigned int i;
1580         int len;
1581         int ret;
1582 
1583         if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1584                 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1585         if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1586                 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1587         if (hdev->bus != BUS_USB)
1588                 connect_mask &= ~HID_CONNECT_HIDDEV;
1589         if (hid_hiddev(hdev))
1590                 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1591 
1592         if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1593                                 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1594                 hdev->claimed |= HID_CLAIMED_INPUT;
1595 
1596         if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1597                         !hdev->hiddev_connect(hdev,
1598                                 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1599                 hdev->claimed |= HID_CLAIMED_HIDDEV;
1600         if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1601                 hdev->claimed |= HID_CLAIMED_HIDRAW;
1602 
1603         if (connect_mask & HID_CONNECT_DRIVER)
1604                 hdev->claimed |= HID_CLAIMED_DRIVER;
1605 
1606         /* Drivers with the ->raw_event callback set are not required to connect
1607          * to any other listener. */
1608         if (!hdev->claimed && !hdev->driver->raw_event) {
1609                 hid_err(hdev, "device has no listeners, quitting\n");
1610                 return -ENODEV;
1611         }
1612 
1613         if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1614                         (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1615                 hdev->ff_init(hdev);
1616 
1617         len = 0;
1618         if (hdev->claimed & HID_CLAIMED_INPUT)
1619                 len += sprintf(buf + len, "input");
1620         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1621                 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1622                                 hdev->minor);
1623         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1624                 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1625                                 ((struct hidraw *)hdev->hidraw)->minor);
1626 
1627         type = "Device";
1628         for (i = 0; i < hdev->maxcollection; i++) {
1629                 struct hid_collection *col = &hdev->collection[i];
1630                 if (col->type == HID_COLLECTION_APPLICATION &&
1631                    (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1632                    (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1633                         type = types[col->usage & 0xffff];
1634                         break;
1635                 }
1636         }
1637 
1638         switch (hdev->bus) {
1639         case BUS_USB:
1640                 bus = "USB";
1641                 break;
1642         case BUS_BLUETOOTH:
1643                 bus = "BLUETOOTH";
1644                 break;
1645         default:
1646                 bus = "<UNKNOWN>";
1647         }
1648 
1649         ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1650         if (ret)
1651                 hid_warn(hdev,
1652                          "can't create sysfs report descriptor attribute err: %d\n", ret);
1653 
1654         hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1655                  buf, bus, hdev->version >> 8, hdev->version & 0xff,
1656                  type, hdev->name, hdev->phys);
1657 
1658         return 0;
1659 }
1660 EXPORT_SYMBOL_GPL(hid_connect);
1661 
1662 void hid_disconnect(struct hid_device *hdev)
1663 {
1664         device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1665         if (hdev->claimed & HID_CLAIMED_INPUT)
1666                 hidinput_disconnect(hdev);
1667         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1668                 hdev->hiddev_disconnect(hdev);
1669         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1670                 hidraw_disconnect(hdev);
1671         hdev->claimed = 0;
1672 }
1673 EXPORT_SYMBOL_GPL(hid_disconnect);
1674 
1675 /*
1676  * A list of devices for which there is a specialized driver on HID bus.
1677  *
1678  * Please note that for multitouch devices (driven by hid-multitouch driver),
1679  * there is a proper autodetection and autoloading in place (based on presence
1680  * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1681  * as we are doing the right thing in hid_scan_usage().
1682  *
1683  * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1684  * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1685  * used as a driver. See hid_scan_report().
1686  */
1687 static const struct hid_device_id hid_have_special_driver[] = {
1688         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1689         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1690         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1691         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1692         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
1693         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1694         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1695         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1696         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1697         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1698         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1699         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1700         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1701         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1702         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1703         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1704         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1705         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1706         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1707         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1708         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1709         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1710         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1711         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1712         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1713         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1714         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1715         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1716         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1717         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1718         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1719         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1720         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1721         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1722         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1723         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1724         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1725         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1726         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1727         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1728         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1729         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1730         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1731         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1732         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1733         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1734         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1735         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1736         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1737         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1738         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1739         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1740         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1741         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1742         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1743         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1744         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1745         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1746         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1747         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1748         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1749         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1750         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1751         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1752         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1753         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1754         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1755         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1756         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1757         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1758         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1759         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1760         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1761         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1762         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1763         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1764         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1765         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1766         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1767         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1768         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
1769         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1770         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1771         { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
1772         { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1773         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
1774         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
1775         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
1776         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
1777         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1778         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1779         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1780         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1781         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1782         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1783         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1784         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1785         { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1786         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
1787         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1788         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1789         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1790         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1791         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1792         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1793         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1794         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1795         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1796         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
1797         { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1798         { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1799         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1800         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1801         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1802         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1803         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1804         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1805         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1806         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1807         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
1808         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1809         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
1810         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
1811         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
1812         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
1813         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
1814         { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
1815         { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
1816         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
1817         { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1818         { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1819         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
1820         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
1821         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
1822         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1823         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1824         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1825         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2) },
1826         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1827         { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1828         { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1829 #if IS_ENABLED(CONFIG_HID_LENOVO)
1830         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1831         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
1832         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
1833 #endif
1834         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1835         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1836         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1837         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1838         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
1839         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
1840         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1841         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1842         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1843         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1844         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1845         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1846         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1847         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1848         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1849         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1850         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1851         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1852         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1853         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1854         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1855         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1856         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
1857         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1858         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1859         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1860         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1861 #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1862         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1863         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1864 #endif
1865         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1866         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1867         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1868         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1869         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1870         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1871         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1872         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1873         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1874         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
1875         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
1876         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1877         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1878         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1879         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1880         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
1881         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3) },
1882         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3_JP) },
1883         { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1884         { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
1885         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1886         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1887         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1888         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1889         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1890         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1891         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1892         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1893         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1894         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1895         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1896         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1897         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1898         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1899         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1900         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1901         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1902         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1903         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1904         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1905         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1906         { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
1907         { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1908         { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
1909         { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1910 #if IS_ENABLED(CONFIG_HID_ROCCAT)
1911         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1912         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
1913         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
1914         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1915         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1916         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
1917         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
1918         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
1919         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1920         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
1921         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1922         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1923         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
1924         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
1925         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
1926         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
1927 #endif
1928 #if IS_ENABLED(CONFIG_HID_SAITEK)
1929         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
1930         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
1931         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
1932         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
1933         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
1934 #endif
1935         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1936         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1937         { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1938         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
1939         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
1940         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
1941         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
1942         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1943         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1944         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1945         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
1946         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
1947         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1948         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
1949         { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
1950         { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
1951         { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
1952         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1953         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
1954         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1955         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
1956         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
1957         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
1958         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
1959         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
1960         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
1961         { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
1962         { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
1963         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
1964         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
1965         { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
1966         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
1967         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1968         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1969         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
1970         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
1971         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
1972         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
1973         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
1974         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
1975         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1976         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1977         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1978         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
1979         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
1980         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
1981         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
1982         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
1983         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
1984         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
1985         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
1986         { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
1987         { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
1988         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
1989         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
1990         { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
1991 
1992         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
1993         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
1994         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
1995         { HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
1996         { }
1997 };
1998 
1999 struct hid_dynid {
2000         struct list_head list;
2001         struct hid_device_id id;
2002 };
2003 
2004 /**
2005  * store_new_id - add a new HID device ID to this driver and re-probe devices
2006  * @driver: target device driver
2007  * @buf: buffer for scanning device ID data
2008  * @count: input size
2009  *
2010  * Adds a new dynamic hid device ID to this driver,
2011  * and causes the driver to probe for all devices again.
2012  */
2013 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
2014                 size_t count)
2015 {
2016         struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2017         struct hid_dynid *dynid;
2018         __u32 bus, vendor, product;
2019         unsigned long driver_data = 0;
2020         int ret;
2021 
2022         ret = sscanf(buf, "%x %x %x %lx",
2023                         &bus, &vendor, &product, &driver_data);
2024         if (ret < 3)
2025                 return -EINVAL;
2026 
2027         dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2028         if (!dynid)
2029                 return -ENOMEM;
2030 
2031         dynid->id.bus = bus;
2032         dynid->id.group = HID_GROUP_ANY;
2033         dynid->id.vendor = vendor;
2034         dynid->id.product = product;
2035         dynid->id.driver_data = driver_data;
2036 
2037         spin_lock(&hdrv->dyn_lock);
2038         list_add_tail(&dynid->list, &hdrv->dyn_list);
2039         spin_unlock(&hdrv->dyn_lock);
2040 
2041         ret = driver_attach(&hdrv->driver);
2042 
2043         return ret ? : count;
2044 }
2045 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
2046 
2047 static void hid_free_dynids(struct hid_driver *hdrv)
2048 {
2049         struct hid_dynid *dynid, *n;
2050 
2051         spin_lock(&hdrv->dyn_lock);
2052         list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2053                 list_del(&dynid->list);
2054                 kfree(dynid);
2055         }
2056         spin_unlock(&hdrv->dyn_lock);
2057 }
2058 
2059 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2060                 struct hid_driver *hdrv)
2061 {
2062         struct hid_dynid *dynid;
2063 
2064         spin_lock(&hdrv->dyn_lock);
2065         list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2066                 if (hid_match_one_id(hdev, &dynid->id)) {
2067                         spin_unlock(&hdrv->dyn_lock);
2068                         return &dynid->id;
2069                 }
2070         }
2071         spin_unlock(&hdrv->dyn_lock);
2072 
2073         return hid_match_id(hdev, hdrv->id_table);
2074 }
2075 
2076 static int hid_bus_match(struct device *dev, struct device_driver *drv)
2077 {
2078         struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2079         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2080 
2081         return hid_match_device(hdev, hdrv) != NULL;
2082 }
2083 
2084 static int hid_device_probe(struct device *dev)
2085 {
2086         struct hid_driver *hdrv = container_of(dev->driver,
2087                         struct hid_driver, driver);
2088         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2089         const struct hid_device_id *id;
2090         int ret = 0;
2091 
2092         if (down_interruptible(&hdev->driver_lock))
2093                 return -EINTR;
2094         if (down_interruptible(&hdev->driver_input_lock)) {
2095                 ret = -EINTR;
2096                 goto unlock_driver_lock;
2097         }
2098         hdev->io_started = false;
2099 
2100         if (!hdev->driver) {
2101                 id = hid_match_device(hdev, hdrv);
2102                 if (id == NULL) {
2103                         ret = -ENODEV;
2104                         goto unlock;
2105                 }
2106 
2107                 hdev->driver = hdrv;
2108                 if (hdrv->probe) {
2109                         ret = hdrv->probe(hdev, id);
2110                 } else { /* default probe */
2111                         ret = hid_open_report(hdev);
2112                         if (!ret)
2113                                 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2114                 }
2115                 if (ret) {
2116                         hid_close_report(hdev);
2117                         hdev->driver = NULL;
2118                 }
2119         }
2120 unlock:
2121         if (!hdev->io_started)
2122                 up(&hdev->driver_input_lock);
2123 unlock_driver_lock:
2124         up(&hdev->driver_lock);
2125         return ret;
2126 }
2127 
2128 static int hid_device_remove(struct device *dev)
2129 {
2130         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2131         struct hid_driver *hdrv;
2132         int ret = 0;
2133 
2134         if (down_interruptible(&hdev->driver_lock))
2135                 return -EINTR;
2136         if (down_interruptible(&hdev->driver_input_lock)) {
2137                 ret = -EINTR;
2138                 goto unlock_driver_lock;
2139         }
2140         hdev->io_started = false;
2141 
2142         hdrv = hdev->driver;
2143         if (hdrv) {
2144                 if (hdrv->remove)
2145                         hdrv->remove(hdev);
2146                 else /* default remove */
2147                         hid_hw_stop(hdev);
2148                 hid_close_report(hdev);
2149                 hdev->driver = NULL;
2150         }
2151 
2152         if (!hdev->io_started)
2153                 up(&hdev->driver_input_lock);
2154 unlock_driver_lock:
2155         up(&hdev->driver_lock);
2156         return ret;
2157 }
2158 
2159 static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2160                              char *buf)
2161 {
2162         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2163         int len;
2164 
2165         len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2166                        hdev->bus, hdev->group, hdev->vendor, hdev->product);
2167 
2168         return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
2169 }
2170 static DEVICE_ATTR_RO(modalias);
2171 
2172 static struct attribute *hid_dev_attrs[] = {
2173         &dev_attr_modalias.attr,
2174         NULL,
2175 };
2176 ATTRIBUTE_GROUPS(hid_dev);
2177 
2178 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2179 {
2180         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2181 
2182         if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2183                         hdev->bus, hdev->vendor, hdev->product))
2184                 return -ENOMEM;
2185 
2186         if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2187                 return -ENOMEM;
2188 
2189         if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2190                 return -ENOMEM;
2191 
2192         if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2193                 return -ENOMEM;
2194 
2195         if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2196                            hdev->bus, hdev->group, hdev->vendor, hdev->product))
2197                 return -ENOMEM;
2198 
2199         return 0;
2200 }
2201 
2202 static struct bus_type hid_bus_type = {
2203         .name           = "hid",
2204         .dev_groups     = hid_dev_groups,
2205         .match          = hid_bus_match,
2206         .probe          = hid_device_probe,
2207         .remove         = hid_device_remove,
2208         .uevent         = hid_uevent,
2209 };
2210 
2211 /* a list of devices that shouldn't be handled by HID core at all */
2212 static const struct hid_device_id hid_ignore_list[] = {
2213         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2214         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2215         { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2216         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2217         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2218         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2219         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2220         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2221         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2222         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2223         { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2224         { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2225         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2226         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
2227         { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2228         { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
2229         { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2230         { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2231         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2232         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
2233         { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2234         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2235         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2236         { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
2237         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2238         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2239         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
2240         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
2241         { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2242         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2243         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2244         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
2245         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
2246         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2247         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
2248         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
2249         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
2250         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
2251         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
2252         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
2253         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
2254         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
2255         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2256         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2257         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2258         { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2259         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2260         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2261         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
2262         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2263         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2264         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2265         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2266         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2267         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2268         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2269         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2270         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2271         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2272         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2273         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2274         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2275         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2276         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2277         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2278         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2279         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2280         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2281         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2282         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2283         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2284         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2285         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2286         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2287         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2288         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2289         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2290         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2291         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2292         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2293         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2294         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2295         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2296         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2297         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2298         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2299         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2300         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2301         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2302         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2303         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2304         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2305         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2306         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2307         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2308         { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2309         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2310         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
2311         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
2312         { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2313         { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2314         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2315         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2316         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2317         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2318         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2319         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2320         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2321         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2322         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2323         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2324         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2325         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2326         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2327         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2328         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2329         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2330         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2331         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2332         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2333         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2334         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2335         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2336         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2337         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2338         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2339         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2340         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2341         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2342         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2343         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2344         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2345         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2346         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2347         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2348         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2349         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2350         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2351         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2352         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2353         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
2354         { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2355         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2356         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2357         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2358         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2359         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2360         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2361         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2362         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2363         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2364         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2365         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2366         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2367         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2368         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2369         { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2370         { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2371 #if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2372         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2373         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2374         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2375         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2376         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2377         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2378         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2379         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2380 #endif
2381         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
2382         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
2383         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
2384         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
2385         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
2386         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
2387         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
2388         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
2389         { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2390         { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
2391         { }
2392 };
2393 
2394 /**
2395  * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2396  *
2397  * There are composite devices for which we want to ignore only a certain
2398  * interface. This is a list of devices for which only the mouse interface will
2399  * be ignored. This allows a dedicated driver to take care of the interface.
2400  */
2401 static const struct hid_device_id hid_mouse_ignore_list[] = {
2402         /* appletouch driver */
2403         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2404         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2405         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2406         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2407         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2408         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2409         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2410         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2411         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2412         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2413         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2414         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2415         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2416         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2417         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2418         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2419         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2420         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2421         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2422         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2423         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2424         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2425         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2426         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2427         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2428         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2429         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2430         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2431         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2432         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2433         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2434         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2435         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2436         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2437         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2438         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2439         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2440         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2441         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2442         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2443         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2444         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2445         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2446         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2447         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2448         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2449         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2450         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2451         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2452         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2453         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2454         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2455         { }
2456 };
2457 
2458 bool hid_ignore(struct hid_device *hdev)
2459 {
2460         if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2461                 return false;
2462         if (hdev->quirks & HID_QUIRK_IGNORE)
2463                 return true;
2464 
2465         switch (hdev->vendor) {
2466         case USB_VENDOR_ID_CODEMERCS:
2467                 /* ignore all Code Mercenaries IOWarrior devices */
2468                 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2469                                 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2470                         return true;
2471                 break;
2472         case USB_VENDOR_ID_LOGITECH:
2473                 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2474                                 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2475                         return true;
2476                 /*
2477                  * The Keene FM transmitter USB device has the same USB ID as
2478                  * the Logitech AudioHub Speaker, but it should ignore the hid.
2479                  * Check if the name is that of the Keene device.
2480                  * For reference: the name of the AudioHub is
2481                  * "HOLTEK  AudioHub Speaker".
2482                  */
2483                 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2484                         !strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
2485                                 return true;
2486                 break;
2487         case USB_VENDOR_ID_SOUNDGRAPH:
2488                 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2489                     hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2490                         return true;
2491                 break;
2492         case USB_VENDOR_ID_HANWANG:
2493                 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2494                     hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2495                         return true;
2496                 break;
2497         case USB_VENDOR_ID_JESS:
2498                 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2499                                 hdev->type == HID_TYPE_USBNONE)
2500                         return true;
2501                 break;
2502         case USB_VENDOR_ID_VELLEMAN:
2503                 /* These are not HID devices.  They are handled by comedi. */
2504                 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2505                      hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2506                     (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2507                      hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2508                         return true;
2509                 break;
2510         case USB_VENDOR_ID_ATMEL_V_USB:
2511                 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2512                  * it has the same USB ID as many Atmel V-USB devices. This
2513                  * usb radio is handled by radio-ma901.c driver so we want
2514                  * ignore the hid. Check the name, bus, product and ignore
2515                  * if we have MA901 usb radio.
2516                  */
2517                 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2518                         hdev->bus == BUS_USB &&
2519                         strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2520                         return true;
2521                 break;
2522         }
2523 
2524         if (hdev->type == HID_TYPE_USBMOUSE &&
2525                         hid_match_id(hdev, hid_mouse_ignore_list))
2526                 return true;
2527 
2528         return !!hid_match_id(hdev, hid_ignore_list);
2529 }
2530 EXPORT_SYMBOL_GPL(hid_ignore);
2531 
2532 int hid_add_device(struct hid_device *hdev)
2533 {
2534         static atomic_t id = ATOMIC_INIT(0);
2535         int ret;
2536 
2537         if (WARN_ON(hdev->status & HID_STAT_ADDED))
2538                 return -EBUSY;
2539 
2540         /* we need to kill them here, otherwise they will stay allocated to
2541          * wait for coming driver */
2542         if (hid_ignore(hdev))
2543                 return -ENODEV;
2544 
2545         /*
2546          * Check for the mandatory transport channel.
2547          */
2548          if (!hdev->ll_driver->raw_request) {
2549                 hid_err(hdev, "transport driver missing .raw_request()\n");
2550                 return -EINVAL;
2551          }
2552 
2553         /*
2554          * Read the device report descriptor once and use as template
2555          * for the driver-specific modifications.
2556          */
2557         ret = hdev->ll_driver->parse(hdev);
2558         if (ret)
2559                 return ret;
2560         if (!hdev->dev_rdesc)
2561                 return -ENODEV;
2562 
2563         /*
2564          * Scan generic devices for group information
2565          */
2566         if (hid_ignore_special_drivers ||
2567             (!hdev->group &&
2568              !hid_match_id(hdev, hid_have_special_driver))) {
2569                 ret = hid_scan_report(hdev);
2570                 if (ret)
2571                         hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2572         }
2573 
2574         /* XXX hack, any other cleaner solution after the driver core
2575          * is converted to allow more than 20 bytes as the device name? */
2576         dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2577                      hdev->vendor, hdev->product, atomic_inc_return(&id));
2578 
2579         hid_debug_register(hdev, dev_name(&hdev->dev));
2580         ret = device_add(&hdev->dev);
2581         if (!ret)
2582                 hdev->status |= HID_STAT_ADDED;
2583         else
2584                 hid_debug_unregister(hdev);
2585 
2586         return ret;
2587 }
2588 EXPORT_SYMBOL_GPL(hid_add_device);
2589 
2590 /**
2591  * hid_allocate_device - allocate new hid device descriptor
2592  *
2593  * Allocate and initialize hid device, so that hid_destroy_device might be
2594  * used to free it.
2595  *
2596  * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2597  * error value.
2598  */
2599 struct hid_device *hid_allocate_device(void)
2600 {
2601         struct hid_device *hdev;
2602         int ret = -ENOMEM;
2603 
2604         hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2605         if (hdev == NULL)
2606                 return ERR_PTR(ret);
2607 
2608         device_initialize(&hdev->dev);
2609         hdev->dev.release = hid_device_release;
2610         hdev->dev.bus = &hid_bus_type;
2611 
2612         hid_close_report(hdev);
2613 
2614         init_waitqueue_head(&hdev->debug_wait);
2615         INIT_LIST_HEAD(&hdev->debug_list);
2616         spin_lock_init(&hdev->debug_list_lock);
2617         sema_init(&hdev->driver_lock, 1);
2618         sema_init(&hdev->driver_input_lock, 1);
2619 
2620         return hdev;
2621 }
2622 EXPORT_SYMBOL_GPL(hid_allocate_device);
2623 
2624 static void hid_remove_device(struct hid_device *hdev)
2625 {
2626         if (hdev->status & HID_STAT_ADDED) {
2627                 device_del(&hdev->dev);
2628                 hid_debug_unregister(hdev);
2629                 hdev->status &= ~HID_STAT_ADDED;
2630         }
2631         kfree(hdev->dev_rdesc);
2632         hdev->dev_rdesc = NULL;
2633         hdev->dev_rsize = 0;
2634 }
2635 
2636 /**
2637  * hid_destroy_device - free previously allocated device
2638  *
2639  * @hdev: hid device
2640  *
2641  * If you allocate hid_device through hid_allocate_device, you should ever
2642  * free by this function.
2643  */
2644 void hid_destroy_device(struct hid_device *hdev)
2645 {
2646         hid_remove_device(hdev);
2647         put_device(&hdev->dev);
2648 }
2649 EXPORT_SYMBOL_GPL(hid_destroy_device);
2650 
2651 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2652                 const char *mod_name)
2653 {
2654         int ret;
2655 
2656         hdrv->driver.name = hdrv->name;
2657         hdrv->driver.bus = &hid_bus_type;
2658         hdrv->driver.owner = owner;
2659         hdrv->driver.mod_name = mod_name;
2660 
2661         INIT_LIST_HEAD(&hdrv->dyn_list);
2662         spin_lock_init(&hdrv->dyn_lock);
2663 
2664         ret = driver_register(&hdrv->driver);
2665         if (ret)
2666                 return ret;
2667 
2668         ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2669         if (ret)
2670                 driver_unregister(&hdrv->driver);
2671 
2672         return ret;
2673 }
2674 EXPORT_SYMBOL_GPL(__hid_register_driver);
2675 
2676 void hid_unregister_driver(struct hid_driver *hdrv)
2677 {
2678         driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2679         driver_unregister(&hdrv->driver);
2680         hid_free_dynids(hdrv);
2681 }
2682 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2683 
2684 int hid_check_keys_pressed(struct hid_device *hid)
2685 {
2686         struct hid_input *hidinput;
2687         int i;
2688 
2689         if (!(hid->claimed & HID_CLAIMED_INPUT))
2690                 return 0;
2691 
2692         list_for_each_entry(hidinput, &hid->inputs, list) {
2693                 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2694                         if (hidinput->input->key[i])
2695                                 return 1;
2696         }
2697 
2698         return 0;
2699 }
2700 
2701 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2702 
2703 static int __init hid_init(void)
2704 {
2705         int ret;
2706 
2707         if (hid_debug)
2708                 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2709                         "debugfs is now used for inspecting the device (report descriptor, reports)\n");
2710 
2711         ret = bus_register(&hid_bus_type);
2712         if (ret) {
2713                 pr_err("can't register hid bus\n");
2714                 goto err;
2715         }
2716 
2717         ret = hidraw_init();
2718         if (ret)
2719                 goto err_bus;
2720 
2721         hid_debug_init();
2722 
2723         return 0;
2724 err_bus:
2725         bus_unregister(&hid_bus_type);
2726 err:
2727         return ret;
2728 }
2729 
2730 static void __exit hid_exit(void)
2731 {
2732         hid_debug_exit();
2733         hidraw_exit();
2734         bus_unregister(&hid_bus_type);
2735 }
2736 
2737 module_init(hid_init);
2738 module_exit(hid_exit);
2739 
2740 MODULE_AUTHOR("Andreas Gal");
2741 MODULE_AUTHOR("Vojtech Pavlik");
2742 MODULE_AUTHOR("Jiri Kosina");
2743 MODULE_LICENSE(DRIVER_LICENSE);
2744 
2745 

This page was automatically generated by LXR 0.3.1 (source).  •  Linux is a registered trademark of Linus Torvalds  •  Contact us