Version:  2.0.40 2.2.26 2.4.37 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9

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         __u32 count;
431 
432         data = item_udata(item);
433 
434         switch (item->tag) {
435         case HID_LOCAL_ITEM_TAG_DELIMITER:
436 
437                 if (data) {
438                         /*
439                          * We treat items before the first delimiter
440                          * as global to all usage sets (branch 0).
441                          * In the moment we process only these global
442                          * items and the first delimiter set.
443                          */
444                         if (parser->local.delimiter_depth != 0) {
445                                 hid_err(parser->device, "nested delimiters\n");
446                                 return -1;
447                         }
448                         parser->local.delimiter_depth++;
449                         parser->local.delimiter_branch++;
450                 } else {
451                         if (parser->local.delimiter_depth < 1) {
452                                 hid_err(parser->device, "bogus close delimiter\n");
453                                 return -1;
454                         }
455                         parser->local.delimiter_depth--;
456                 }
457                 return 0;
458 
459         case HID_LOCAL_ITEM_TAG_USAGE:
460 
461                 if (parser->local.delimiter_branch > 1) {
462                         dbg_hid("alternative usage ignored\n");
463                         return 0;
464                 }
465 
466                 if (item->size <= 2)
467                         data = (parser->global.usage_page << 16) + data;
468 
469                 return hid_add_usage(parser, data);
470 
471         case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
472 
473                 if (parser->local.delimiter_branch > 1) {
474                         dbg_hid("alternative usage ignored\n");
475                         return 0;
476                 }
477 
478                 if (item->size <= 2)
479                         data = (parser->global.usage_page << 16) + data;
480 
481                 parser->local.usage_minimum = data;
482                 return 0;
483 
484         case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
485 
486                 if (parser->local.delimiter_branch > 1) {
487                         dbg_hid("alternative usage ignored\n");
488                         return 0;
489                 }
490 
491                 if (item->size <= 2)
492                         data = (parser->global.usage_page << 16) + data;
493 
494                 count = data - parser->local.usage_minimum;
495                 if (count + parser->local.usage_index >= HID_MAX_USAGES) {
496                         /*
497                          * We do not warn if the name is not set, we are
498                          * actually pre-scanning the device.
499                          */
500                         if (dev_name(&parser->device->dev))
501                                 hid_warn(parser->device,
502                                          "ignoring exceeding usage max\n");
503                         data = HID_MAX_USAGES - parser->local.usage_index +
504                                 parser->local.usage_minimum - 1;
505                         if (data <= 0) {
506                                 hid_err(parser->device,
507                                         "no more usage index available\n");
508                                 return -1;
509                         }
510                 }
511 
512                 for (n = parser->local.usage_minimum; n <= data; n++)
513                         if (hid_add_usage(parser, n)) {
514                                 dbg_hid("hid_add_usage failed\n");
515                                 return -1;
516                         }
517                 return 0;
518 
519         default:
520 
521                 dbg_hid("unknown local item tag 0x%x\n", item->tag);
522                 return 0;
523         }
524         return 0;
525 }
526 
527 /*
528  * Process a main item.
529  */
530 
531 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
532 {
533         __u32 data;
534         int ret;
535 
536         data = item_udata(item);
537 
538         switch (item->tag) {
539         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
540                 ret = open_collection(parser, data & 0xff);
541                 break;
542         case HID_MAIN_ITEM_TAG_END_COLLECTION:
543                 ret = close_collection(parser);
544                 break;
545         case HID_MAIN_ITEM_TAG_INPUT:
546                 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
547                 break;
548         case HID_MAIN_ITEM_TAG_OUTPUT:
549                 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
550                 break;
551         case HID_MAIN_ITEM_TAG_FEATURE:
552                 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
553                 break;
554         default:
555                 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
556                 ret = 0;
557         }
558 
559         memset(&parser->local, 0, sizeof(parser->local));       /* Reset the local parser environment */
560 
561         return ret;
562 }
563 
564 /*
565  * Process a reserved item.
566  */
567 
568 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
569 {
570         dbg_hid("reserved item type, tag 0x%x\n", item->tag);
571         return 0;
572 }
573 
574 /*
575  * Free a report and all registered fields. The field->usage and
576  * field->value table's are allocated behind the field, so we need
577  * only to free(field) itself.
578  */
579 
580 static void hid_free_report(struct hid_report *report)
581 {
582         unsigned n;
583 
584         for (n = 0; n < report->maxfield; n++)
585                 kfree(report->field[n]);
586         kfree(report);
587 }
588 
589 /*
590  * Close report. This function returns the device
591  * state to the point prior to hid_open_report().
592  */
593 static void hid_close_report(struct hid_device *device)
594 {
595         unsigned i, j;
596 
597         for (i = 0; i < HID_REPORT_TYPES; i++) {
598                 struct hid_report_enum *report_enum = device->report_enum + i;
599 
600                 for (j = 0; j < HID_MAX_IDS; j++) {
601                         struct hid_report *report = report_enum->report_id_hash[j];
602                         if (report)
603                                 hid_free_report(report);
604                 }
605                 memset(report_enum, 0, sizeof(*report_enum));
606                 INIT_LIST_HEAD(&report_enum->report_list);
607         }
608 
609         kfree(device->rdesc);
610         device->rdesc = NULL;
611         device->rsize = 0;
612 
613         kfree(device->collection);
614         device->collection = NULL;
615         device->collection_size = 0;
616         device->maxcollection = 0;
617         device->maxapplication = 0;
618 
619         device->status &= ~HID_STAT_PARSED;
620 }
621 
622 /*
623  * Free a device structure, all reports, and all fields.
624  */
625 
626 static void hid_device_release(struct device *dev)
627 {
628         struct hid_device *hid = to_hid_device(dev);
629 
630         hid_close_report(hid);
631         kfree(hid->dev_rdesc);
632         kfree(hid);
633 }
634 
635 /*
636  * Fetch a report description item from the data stream. We support long
637  * items, though they are not used yet.
638  */
639 
640 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
641 {
642         u8 b;
643 
644         if ((end - start) <= 0)
645                 return NULL;
646 
647         b = *start++;
648 
649         item->type = (b >> 2) & 3;
650         item->tag  = (b >> 4) & 15;
651 
652         if (item->tag == HID_ITEM_TAG_LONG) {
653 
654                 item->format = HID_ITEM_FORMAT_LONG;
655 
656                 if ((end - start) < 2)
657                         return NULL;
658 
659                 item->size = *start++;
660                 item->tag  = *start++;
661 
662                 if ((end - start) < item->size)
663                         return NULL;
664 
665                 item->data.longdata = start;
666                 start += item->size;
667                 return start;
668         }
669 
670         item->format = HID_ITEM_FORMAT_SHORT;
671         item->size = b & 3;
672 
673         switch (item->size) {
674         case 0:
675                 return start;
676 
677         case 1:
678                 if ((end - start) < 1)
679                         return NULL;
680                 item->data.u8 = *start++;
681                 return start;
682 
683         case 2:
684                 if ((end - start) < 2)
685                         return NULL;
686                 item->data.u16 = get_unaligned_le16(start);
687                 start = (__u8 *)((__le16 *)start + 1);
688                 return start;
689 
690         case 3:
691                 item->size++;
692                 if ((end - start) < 4)
693                         return NULL;
694                 item->data.u32 = get_unaligned_le32(start);
695                 start = (__u8 *)((__le32 *)start + 1);
696                 return start;
697         }
698 
699         return NULL;
700 }
701 
702 static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
703 {
704         struct hid_device *hid = parser->device;
705 
706         if (usage == HID_DG_CONTACTID)
707                 hid->group = HID_GROUP_MULTITOUCH;
708 }
709 
710 static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
711 {
712         if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
713             parser->global.report_size == 8)
714                 parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
715 }
716 
717 static void hid_scan_collection(struct hid_parser *parser, unsigned type)
718 {
719         struct hid_device *hid = parser->device;
720         int i;
721 
722         if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
723             type == HID_COLLECTION_PHYSICAL)
724                 hid->group = HID_GROUP_SENSOR_HUB;
725 
726         if (hid->vendor == USB_VENDOR_ID_MICROSOFT &&
727             (hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3 ||
728              hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_2 ||
729              hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP ||
730              hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_4_JP ||
731              hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3 ||
732              hid->product == USB_DEVICE_ID_MS_POWER_COVER) &&
733             hid->group == HID_GROUP_MULTITOUCH)
734                 hid->group = HID_GROUP_GENERIC;
735 
736         if ((parser->global.usage_page << 16) == HID_UP_GENDESK)
737                 for (i = 0; i < parser->local.usage_index; i++)
738                         if (parser->local.usage[i] == HID_GD_POINTER)
739                                 parser->scan_flags |= HID_SCAN_FLAG_GD_POINTER;
740 
741         if ((parser->global.usage_page << 16) >= HID_UP_MSVENDOR)
742                 parser->scan_flags |= HID_SCAN_FLAG_VENDOR_SPECIFIC;
743 }
744 
745 static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
746 {
747         __u32 data;
748         int i;
749 
750         data = item_udata(item);
751 
752         switch (item->tag) {
753         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
754                 hid_scan_collection(parser, data & 0xff);
755                 break;
756         case HID_MAIN_ITEM_TAG_END_COLLECTION:
757                 break;
758         case HID_MAIN_ITEM_TAG_INPUT:
759                 /* ignore constant inputs, they will be ignored by hid-input */
760                 if (data & HID_MAIN_ITEM_CONSTANT)
761                         break;
762                 for (i = 0; i < parser->local.usage_index; i++)
763                         hid_scan_input_usage(parser, parser->local.usage[i]);
764                 break;
765         case HID_MAIN_ITEM_TAG_OUTPUT:
766                 break;
767         case HID_MAIN_ITEM_TAG_FEATURE:
768                 for (i = 0; i < parser->local.usage_index; i++)
769                         hid_scan_feature_usage(parser, parser->local.usage[i]);
770                 break;
771         }
772 
773         /* Reset the local parser environment */
774         memset(&parser->local, 0, sizeof(parser->local));
775 
776         return 0;
777 }
778 
779 /*
780  * Scan a report descriptor before the device is added to the bus.
781  * Sets device groups and other properties that determine what driver
782  * to load.
783  */
784 static int hid_scan_report(struct hid_device *hid)
785 {
786         struct hid_parser *parser;
787         struct hid_item item;
788         __u8 *start = hid->dev_rdesc;
789         __u8 *end = start + hid->dev_rsize;
790         static int (*dispatch_type[])(struct hid_parser *parser,
791                                       struct hid_item *item) = {
792                 hid_scan_main,
793                 hid_parser_global,
794                 hid_parser_local,
795                 hid_parser_reserved
796         };
797 
798         parser = vzalloc(sizeof(struct hid_parser));
799         if (!parser)
800                 return -ENOMEM;
801 
802         parser->device = hid;
803         hid->group = HID_GROUP_GENERIC;
804 
805         /*
806          * The parsing is simpler than the one in hid_open_report() as we should
807          * be robust against hid errors. Those errors will be raised by
808          * hid_open_report() anyway.
809          */
810         while ((start = fetch_item(start, end, &item)) != NULL)
811                 dispatch_type[item.type](parser, &item);
812 
813         /*
814          * Handle special flags set during scanning.
815          */
816         if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
817             (hid->group == HID_GROUP_MULTITOUCH))
818                 hid->group = HID_GROUP_MULTITOUCH_WIN_8;
819 
820         /*
821          * Vendor specific handlings
822          */
823         switch (hid->vendor) {
824         case USB_VENDOR_ID_WACOM:
825                 hid->group = HID_GROUP_WACOM;
826                 break;
827         case USB_VENDOR_ID_SYNAPTICS:
828                 if (hid->group == HID_GROUP_GENERIC)
829                         if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC)
830                             && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER))
831                                 /*
832                                  * hid-rmi should take care of them,
833                                  * not hid-generic
834                                  */
835                                 hid->group = HID_GROUP_RMI;
836                 break;
837         }
838 
839         vfree(parser);
840         return 0;
841 }
842 
843 /**
844  * hid_parse_report - parse device report
845  *
846  * @device: hid device
847  * @start: report start
848  * @size: report size
849  *
850  * Allocate the device report as read by the bus driver. This function should
851  * only be called from parse() in ll drivers.
852  */
853 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
854 {
855         hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
856         if (!hid->dev_rdesc)
857                 return -ENOMEM;
858         hid->dev_rsize = size;
859         return 0;
860 }
861 EXPORT_SYMBOL_GPL(hid_parse_report);
862 
863 static const char * const hid_report_names[] = {
864         "HID_INPUT_REPORT",
865         "HID_OUTPUT_REPORT",
866         "HID_FEATURE_REPORT",
867 };
868 /**
869  * hid_validate_values - validate existing device report's value indexes
870  *
871  * @device: hid device
872  * @type: which report type to examine
873  * @id: which report ID to examine (0 for first)
874  * @field_index: which report field to examine
875  * @report_counts: expected number of values
876  *
877  * Validate the number of values in a given field of a given report, after
878  * parsing.
879  */
880 struct hid_report *hid_validate_values(struct hid_device *hid,
881                                        unsigned int type, unsigned int id,
882                                        unsigned int field_index,
883                                        unsigned int report_counts)
884 {
885         struct hid_report *report;
886 
887         if (type > HID_FEATURE_REPORT) {
888                 hid_err(hid, "invalid HID report type %u\n", type);
889                 return NULL;
890         }
891 
892         if (id >= HID_MAX_IDS) {
893                 hid_err(hid, "invalid HID report id %u\n", id);
894                 return NULL;
895         }
896 
897         /*
898          * Explicitly not using hid_get_report() here since it depends on
899          * ->numbered being checked, which may not always be the case when
900          * drivers go to access report values.
901          */
902         if (id == 0) {
903                 /*
904                  * Validating on id 0 means we should examine the first
905                  * report in the list.
906                  */
907                 report = list_entry(
908                                 hid->report_enum[type].report_list.next,
909                                 struct hid_report, list);
910         } else {
911                 report = hid->report_enum[type].report_id_hash[id];
912         }
913         if (!report) {
914                 hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
915                 return NULL;
916         }
917         if (report->maxfield <= field_index) {
918                 hid_err(hid, "not enough fields in %s %u\n",
919                         hid_report_names[type], id);
920                 return NULL;
921         }
922         if (report->field[field_index]->report_count < report_counts) {
923                 hid_err(hid, "not enough values in %s %u field %u\n",
924                         hid_report_names[type], id, field_index);
925                 return NULL;
926         }
927         return report;
928 }
929 EXPORT_SYMBOL_GPL(hid_validate_values);
930 
931 /**
932  * hid_open_report - open a driver-specific device report
933  *
934  * @device: hid device
935  *
936  * Parse a report description into a hid_device structure. Reports are
937  * enumerated, fields are attached to these reports.
938  * 0 returned on success, otherwise nonzero error value.
939  *
940  * This function (or the equivalent hid_parse() macro) should only be
941  * called from probe() in drivers, before starting the device.
942  */
943 int hid_open_report(struct hid_device *device)
944 {
945         struct hid_parser *parser;
946         struct hid_item item;
947         unsigned int size;
948         __u8 *start;
949         __u8 *buf;
950         __u8 *end;
951         int ret;
952         static int (*dispatch_type[])(struct hid_parser *parser,
953                                       struct hid_item *item) = {
954                 hid_parser_main,
955                 hid_parser_global,
956                 hid_parser_local,
957                 hid_parser_reserved
958         };
959 
960         if (WARN_ON(device->status & HID_STAT_PARSED))
961                 return -EBUSY;
962 
963         start = device->dev_rdesc;
964         if (WARN_ON(!start))
965                 return -ENODEV;
966         size = device->dev_rsize;
967 
968         buf = kmemdup(start, size, GFP_KERNEL);
969         if (buf == NULL)
970                 return -ENOMEM;
971 
972         if (device->driver->report_fixup)
973                 start = device->driver->report_fixup(device, buf, &size);
974         else
975                 start = buf;
976 
977         start = kmemdup(start, size, GFP_KERNEL);
978         kfree(buf);
979         if (start == NULL)
980                 return -ENOMEM;
981 
982         device->rdesc = start;
983         device->rsize = size;
984 
985         parser = vzalloc(sizeof(struct hid_parser));
986         if (!parser) {
987                 ret = -ENOMEM;
988                 goto err;
989         }
990 
991         parser->device = device;
992 
993         end = start + size;
994 
995         device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
996                                      sizeof(struct hid_collection), GFP_KERNEL);
997         if (!device->collection) {
998                 ret = -ENOMEM;
999                 goto err;
1000         }
1001         device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
1002 
1003         ret = -EINVAL;
1004         while ((start = fetch_item(start, end, &item)) != NULL) {
1005 
1006                 if (item.format != HID_ITEM_FORMAT_SHORT) {
1007                         hid_err(device, "unexpected long global item\n");
1008                         goto err;
1009                 }
1010 
1011                 if (dispatch_type[item.type](parser, &item)) {
1012                         hid_err(device, "item %u %u %u %u parsing failed\n",
1013                                 item.format, (unsigned)item.size,
1014                                 (unsigned)item.type, (unsigned)item.tag);
1015                         goto err;
1016                 }
1017 
1018                 if (start == end) {
1019                         if (parser->collection_stack_ptr) {
1020                                 hid_err(device, "unbalanced collection at end of report description\n");
1021                                 goto err;
1022                         }
1023                         if (parser->local.delimiter_depth) {
1024                                 hid_err(device, "unbalanced delimiter at end of report description\n");
1025                                 goto err;
1026                         }
1027                         vfree(parser);
1028                         device->status |= HID_STAT_PARSED;
1029                         return 0;
1030                 }
1031         }
1032 
1033         hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
1034 err:
1035         vfree(parser);
1036         hid_close_report(device);
1037         return ret;
1038 }
1039 EXPORT_SYMBOL_GPL(hid_open_report);
1040 
1041 /*
1042  * Convert a signed n-bit integer to signed 32-bit integer. Common
1043  * cases are done through the compiler, the screwed things has to be
1044  * done by hand.
1045  */
1046 
1047 static s32 snto32(__u32 value, unsigned n)
1048 {
1049         switch (n) {
1050         case 8:  return ((__s8)value);
1051         case 16: return ((__s16)value);
1052         case 32: return ((__s32)value);
1053         }
1054         return value & (1 << (n - 1)) ? value | (-1 << n) : value;
1055 }
1056 
1057 s32 hid_snto32(__u32 value, unsigned n)
1058 {
1059         return snto32(value, n);
1060 }
1061 EXPORT_SYMBOL_GPL(hid_snto32);
1062 
1063 /*
1064  * Convert a signed 32-bit integer to a signed n-bit integer.
1065  */
1066 
1067 static u32 s32ton(__s32 value, unsigned n)
1068 {
1069         s32 a = value >> (n - 1);
1070         if (a && a != -1)
1071                 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1072         return value & ((1 << n) - 1);
1073 }
1074 
1075 /*
1076  * Extract/implement a data field from/to a little endian report (bit array).
1077  *
1078  * Code sort-of follows HID spec:
1079  *     http://www.usb.org/developers/hidpage/HID1_11.pdf
1080  *
1081  * While the USB HID spec allows unlimited length bit fields in "report
1082  * descriptors", most devices never use more than 16 bits.
1083  * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1084  * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1085  */
1086 
1087 static u32 __extract(u8 *report, unsigned offset, int n)
1088 {
1089         unsigned int idx = offset / 8;
1090         unsigned int bit_nr = 0;
1091         unsigned int bit_shift = offset % 8;
1092         int bits_to_copy = 8 - bit_shift;
1093         u32 value = 0;
1094         u32 mask = n < 32 ? (1U << n) - 1 : ~0U;
1095 
1096         while (n > 0) {
1097                 value |= ((u32)report[idx] >> bit_shift) << bit_nr;
1098                 n -= bits_to_copy;
1099                 bit_nr += bits_to_copy;
1100                 bits_to_copy = 8;
1101                 bit_shift = 0;
1102                 idx++;
1103         }
1104 
1105         return value & mask;
1106 }
1107 
1108 u32 hid_field_extract(const struct hid_device *hid, u8 *report,
1109                         unsigned offset, unsigned n)
1110 {
1111         if (n > 32) {
1112                 hid_warn(hid, "hid_field_extract() called with n (%d) > 32! (%s)\n",
1113                          n, current->comm);
1114                 n = 32;
1115         }
1116 
1117         return __extract(report, offset, n);
1118 }
1119 EXPORT_SYMBOL_GPL(hid_field_extract);
1120 
1121 /*
1122  * "implement" : set bits in a little endian bit stream.
1123  * Same concepts as "extract" (see comments above).
1124  * The data mangled in the bit stream remains in little endian
1125  * order the whole time. It make more sense to talk about
1126  * endianness of register values by considering a register
1127  * a "cached" copy of the little endian bit stream.
1128  */
1129 
1130 static void __implement(u8 *report, unsigned offset, int n, u32 value)
1131 {
1132         unsigned int idx = offset / 8;
1133         unsigned int bit_shift = offset % 8;
1134         int bits_to_set = 8 - bit_shift;
1135 
1136         while (n - bits_to_set >= 0) {
1137                 report[idx] &= ~(0xff << bit_shift);
1138                 report[idx] |= value << bit_shift;
1139                 value >>= bits_to_set;
1140                 n -= bits_to_set;
1141                 bits_to_set = 8;
1142                 bit_shift = 0;
1143                 idx++;
1144         }
1145 
1146         /* last nibble */
1147         if (n) {
1148                 u8 bit_mask = ((1U << n) - 1);
1149                 report[idx] &= ~(bit_mask << bit_shift);
1150                 report[idx] |= value << bit_shift;
1151         }
1152 }
1153 
1154 static void implement(const struct hid_device *hid, u8 *report,
1155                       unsigned offset, unsigned n, u32 value)
1156 {
1157         if (unlikely(n > 32)) {
1158                 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1159                          __func__, n, current->comm);
1160                 n = 32;
1161         } else if (n < 32) {
1162                 u32 m = (1U << n) - 1;
1163 
1164                 if (unlikely(value > m)) {
1165                         hid_warn(hid,
1166                                  "%s() called with too large value %d (n: %d)! (%s)\n",
1167                                  __func__, value, n, current->comm);
1168                         WARN_ON(1);
1169                         value &= m;
1170                 }
1171         }
1172 
1173         __implement(report, offset, n, value);
1174 }
1175 
1176 /*
1177  * Search an array for a value.
1178  */
1179 
1180 static int search(__s32 *array, __s32 value, unsigned n)
1181 {
1182         while (n--) {
1183                 if (*array++ == value)
1184                         return 0;
1185         }
1186         return -1;
1187 }
1188 
1189 /**
1190  * hid_match_report - check if driver's raw_event should be called
1191  *
1192  * @hid: hid device
1193  * @report_type: type to match against
1194  *
1195  * compare hid->driver->report_table->report_type to report->type
1196  */
1197 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1198 {
1199         const struct hid_report_id *id = hid->driver->report_table;
1200 
1201         if (!id) /* NULL means all */
1202                 return 1;
1203 
1204         for (; id->report_type != HID_TERMINATOR; id++)
1205                 if (id->report_type == HID_ANY_ID ||
1206                                 id->report_type == report->type)
1207                         return 1;
1208         return 0;
1209 }
1210 
1211 /**
1212  * hid_match_usage - check if driver's event should be called
1213  *
1214  * @hid: hid device
1215  * @usage: usage to match against
1216  *
1217  * compare hid->driver->usage_table->usage_{type,code} to
1218  * usage->usage_{type,code}
1219  */
1220 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1221 {
1222         const struct hid_usage_id *id = hid->driver->usage_table;
1223 
1224         if (!id) /* NULL means all */
1225                 return 1;
1226 
1227         for (; id->usage_type != HID_ANY_ID - 1; id++)
1228                 if ((id->usage_hid == HID_ANY_ID ||
1229                                 id->usage_hid == usage->hid) &&
1230                                 (id->usage_type == HID_ANY_ID ||
1231                                 id->usage_type == usage->type) &&
1232                                 (id->usage_code == HID_ANY_ID ||
1233                                  id->usage_code == usage->code))
1234                         return 1;
1235         return 0;
1236 }
1237 
1238 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1239                 struct hid_usage *usage, __s32 value, int interrupt)
1240 {
1241         struct hid_driver *hdrv = hid->driver;
1242         int ret;
1243 
1244         if (!list_empty(&hid->debug_list))
1245                 hid_dump_input(hid, usage, value);
1246 
1247         if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1248                 ret = hdrv->event(hid, field, usage, value);
1249                 if (ret != 0) {
1250                         if (ret < 0)
1251                                 hid_err(hid, "%s's event failed with %d\n",
1252                                                 hdrv->name, ret);
1253                         return;
1254                 }
1255         }
1256 
1257         if (hid->claimed & HID_CLAIMED_INPUT)
1258                 hidinput_hid_event(hid, field, usage, value);
1259         if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1260                 hid->hiddev_hid_event(hid, field, usage, value);
1261 }
1262 
1263 /*
1264  * Analyse a received field, and fetch the data from it. The field
1265  * content is stored for next report processing (we do differential
1266  * reporting to the layer).
1267  */
1268 
1269 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1270                             __u8 *data, int interrupt)
1271 {
1272         unsigned n;
1273         unsigned count = field->report_count;
1274         unsigned offset = field->report_offset;
1275         unsigned size = field->report_size;
1276         __s32 min = field->logical_minimum;
1277         __s32 max = field->logical_maximum;
1278         __s32 *value;
1279 
1280         value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1281         if (!value)
1282                 return;
1283 
1284         for (n = 0; n < count; n++) {
1285 
1286                 value[n] = min < 0 ?
1287                         snto32(hid_field_extract(hid, data, offset + n * size,
1288                                size), size) :
1289                         hid_field_extract(hid, data, offset + n * size, size);
1290 
1291                 /* Ignore report if ErrorRollOver */
1292                 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1293                     value[n] >= min && value[n] <= max &&
1294                     value[n] - min < field->maxusage &&
1295                     field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1296                         goto exit;
1297         }
1298 
1299         for (n = 0; n < count; n++) {
1300 
1301                 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1302                         hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1303                         continue;
1304                 }
1305 
1306                 if (field->value[n] >= min && field->value[n] <= max
1307                         && field->value[n] - min < field->maxusage
1308                         && field->usage[field->value[n] - min].hid
1309                         && search(value, field->value[n], count))
1310                                 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1311 
1312                 if (value[n] >= min && value[n] <= max
1313                         && value[n] - min < field->maxusage
1314                         && field->usage[value[n] - min].hid
1315                         && search(field->value, value[n], count))
1316                                 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1317         }
1318 
1319         memcpy(field->value, value, count * sizeof(__s32));
1320 exit:
1321         kfree(value);
1322 }
1323 
1324 /*
1325  * Output the field into the report.
1326  */
1327 
1328 static void hid_output_field(const struct hid_device *hid,
1329                              struct hid_field *field, __u8 *data)
1330 {
1331         unsigned count = field->report_count;
1332         unsigned offset = field->report_offset;
1333         unsigned size = field->report_size;
1334         unsigned n;
1335 
1336         for (n = 0; n < count; n++) {
1337                 if (field->logical_minimum < 0) /* signed values */
1338                         implement(hid, data, offset + n * size, size,
1339                                   s32ton(field->value[n], size));
1340                 else                            /* unsigned values */
1341                         implement(hid, data, offset + n * size, size,
1342                                   field->value[n]);
1343         }
1344 }
1345 
1346 /*
1347  * Create a report. 'data' has to be allocated using
1348  * hid_alloc_report_buf() so that it has proper size.
1349  */
1350 
1351 void hid_output_report(struct hid_report *report, __u8 *data)
1352 {
1353         unsigned n;
1354 
1355         if (report->id > 0)
1356                 *data++ = report->id;
1357 
1358         memset(data, 0, ((report->size - 1) >> 3) + 1);
1359         for (n = 0; n < report->maxfield; n++)
1360                 hid_output_field(report->device, report->field[n], data);
1361 }
1362 EXPORT_SYMBOL_GPL(hid_output_report);
1363 
1364 /*
1365  * Allocator for buffer that is going to be passed to hid_output_report()
1366  */
1367 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1368 {
1369         /*
1370          * 7 extra bytes are necessary to achieve proper functionality
1371          * of implement() working on 8 byte chunks
1372          */
1373 
1374         int len = hid_report_len(report) + 7;
1375 
1376         return kmalloc(len, flags);
1377 }
1378 EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1379 
1380 /*
1381  * Set a field value. The report this field belongs to has to be
1382  * created and transferred to the device, to set this value in the
1383  * device.
1384  */
1385 
1386 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1387 {
1388         unsigned size;
1389 
1390         if (!field)
1391                 return -1;
1392 
1393         size = field->report_size;
1394 
1395         hid_dump_input(field->report->device, field->usage + offset, value);
1396 
1397         if (offset >= field->report_count) {
1398                 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1399                                 offset, field->report_count);
1400                 return -1;
1401         }
1402         if (field->logical_minimum < 0) {
1403                 if (value != snto32(s32ton(value, size), size)) {
1404                         hid_err(field->report->device, "value %d is out of range\n", value);
1405                         return -1;
1406                 }
1407         }
1408         field->value[offset] = value;
1409         return 0;
1410 }
1411 EXPORT_SYMBOL_GPL(hid_set_field);
1412 
1413 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1414                 const u8 *data)
1415 {
1416         struct hid_report *report;
1417         unsigned int n = 0;     /* Normally report number is 0 */
1418 
1419         /* Device uses numbered reports, data[0] is report number */
1420         if (report_enum->numbered)
1421                 n = *data;
1422 
1423         report = report_enum->report_id_hash[n];
1424         if (report == NULL)
1425                 dbg_hid("undefined report_id %u received\n", n);
1426 
1427         return report;
1428 }
1429 
1430 /*
1431  * Implement a generic .request() callback, using .raw_request()
1432  * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1433  */
1434 void __hid_request(struct hid_device *hid, struct hid_report *report,
1435                 int reqtype)
1436 {
1437         char *buf;
1438         int ret;
1439         int len;
1440 
1441         buf = hid_alloc_report_buf(report, GFP_KERNEL);
1442         if (!buf)
1443                 return;
1444 
1445         len = hid_report_len(report);
1446 
1447         if (reqtype == HID_REQ_SET_REPORT)
1448                 hid_output_report(report, buf);
1449 
1450         ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1451                                           report->type, reqtype);
1452         if (ret < 0) {
1453                 dbg_hid("unable to complete request: %d\n", ret);
1454                 goto out;
1455         }
1456 
1457         if (reqtype == HID_REQ_GET_REPORT)
1458                 hid_input_report(hid, report->type, buf, ret, 0);
1459 
1460 out:
1461         kfree(buf);
1462 }
1463 EXPORT_SYMBOL_GPL(__hid_request);
1464 
1465 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1466                 int interrupt)
1467 {
1468         struct hid_report_enum *report_enum = hid->report_enum + type;
1469         struct hid_report *report;
1470         struct hid_driver *hdrv;
1471         unsigned int a;
1472         int rsize, csize = size;
1473         u8 *cdata = data;
1474         int ret = 0;
1475 
1476         report = hid_get_report(report_enum, data);
1477         if (!report)
1478                 goto out;
1479 
1480         if (report_enum->numbered) {
1481                 cdata++;
1482                 csize--;
1483         }
1484 
1485         rsize = ((report->size - 1) >> 3) + 1;
1486 
1487         if (rsize > HID_MAX_BUFFER_SIZE)
1488                 rsize = HID_MAX_BUFFER_SIZE;
1489 
1490         if (csize < rsize) {
1491                 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1492                                 csize, rsize);
1493                 memset(cdata + csize, 0, rsize - csize);
1494         }
1495 
1496         if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1497                 hid->hiddev_report_event(hid, report);
1498         if (hid->claimed & HID_CLAIMED_HIDRAW) {
1499                 ret = hidraw_report_event(hid, data, size);
1500                 if (ret)
1501                         goto out;
1502         }
1503 
1504         if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
1505                 for (a = 0; a < report->maxfield; a++)
1506                         hid_input_field(hid, report->field[a], cdata, interrupt);
1507                 hdrv = hid->driver;
1508                 if (hdrv && hdrv->report)
1509                         hdrv->report(hid, report);
1510         }
1511 
1512         if (hid->claimed & HID_CLAIMED_INPUT)
1513                 hidinput_report_event(hid, report);
1514 out:
1515         return ret;
1516 }
1517 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1518 
1519 /**
1520  * hid_input_report - report data from lower layer (usb, bt...)
1521  *
1522  * @hid: hid device
1523  * @type: HID report type (HID_*_REPORT)
1524  * @data: report contents
1525  * @size: size of data parameter
1526  * @interrupt: distinguish between interrupt and control transfers
1527  *
1528  * This is data entry for lower layers.
1529  */
1530 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1531 {
1532         struct hid_report_enum *report_enum;
1533         struct hid_driver *hdrv;
1534         struct hid_report *report;
1535         int ret = 0;
1536 
1537         if (!hid)
1538                 return -ENODEV;
1539 
1540         if (down_trylock(&hid->driver_input_lock))
1541                 return -EBUSY;
1542 
1543         if (!hid->driver) {
1544                 ret = -ENODEV;
1545                 goto unlock;
1546         }
1547         report_enum = hid->report_enum + type;
1548         hdrv = hid->driver;
1549 
1550         if (!size) {
1551                 dbg_hid("empty report\n");
1552                 ret = -1;
1553                 goto unlock;
1554         }
1555 
1556         /* Avoid unnecessary overhead if debugfs is disabled */
1557         if (!list_empty(&hid->debug_list))
1558                 hid_dump_report(hid, type, data, size);
1559 
1560         report = hid_get_report(report_enum, data);
1561 
1562         if (!report) {
1563                 ret = -1;
1564                 goto unlock;
1565         }
1566 
1567         if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1568                 ret = hdrv->raw_event(hid, report, data, size);
1569                 if (ret < 0)
1570                         goto unlock;
1571         }
1572 
1573         ret = hid_report_raw_event(hid, type, data, size, interrupt);
1574 
1575 unlock:
1576         up(&hid->driver_input_lock);
1577         return ret;
1578 }
1579 EXPORT_SYMBOL_GPL(hid_input_report);
1580 
1581 static bool hid_match_one_id(struct hid_device *hdev,
1582                 const struct hid_device_id *id)
1583 {
1584         return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1585                 (id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1586                 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1587                 (id->product == HID_ANY_ID || id->product == hdev->product);
1588 }
1589 
1590 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1591                 const struct hid_device_id *id)
1592 {
1593         for (; id->bus; id++)
1594                 if (hid_match_one_id(hdev, id))
1595                         return id;
1596 
1597         return NULL;
1598 }
1599 
1600 static const struct hid_device_id hid_hiddev_list[] = {
1601         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1602         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1603         { }
1604 };
1605 
1606 static bool hid_hiddev(struct hid_device *hdev)
1607 {
1608         return !!hid_match_id(hdev, hid_hiddev_list);
1609 }
1610 
1611 
1612 static ssize_t
1613 read_report_descriptor(struct file *filp, struct kobject *kobj,
1614                 struct bin_attribute *attr,
1615                 char *buf, loff_t off, size_t count)
1616 {
1617         struct device *dev = kobj_to_dev(kobj);
1618         struct hid_device *hdev = to_hid_device(dev);
1619 
1620         if (off >= hdev->rsize)
1621                 return 0;
1622 
1623         if (off + count > hdev->rsize)
1624                 count = hdev->rsize - off;
1625 
1626         memcpy(buf, hdev->rdesc + off, count);
1627 
1628         return count;
1629 }
1630 
1631 static ssize_t
1632 show_country(struct device *dev, struct device_attribute *attr,
1633                 char *buf)
1634 {
1635         struct hid_device *hdev = to_hid_device(dev);
1636 
1637         return sprintf(buf, "%02x\n", hdev->country & 0xff);
1638 }
1639 
1640 static struct bin_attribute dev_bin_attr_report_desc = {
1641         .attr = { .name = "report_descriptor", .mode = 0444 },
1642         .read = read_report_descriptor,
1643         .size = HID_MAX_DESCRIPTOR_SIZE,
1644 };
1645 
1646 static struct device_attribute dev_attr_country = {
1647         .attr = { .name = "country", .mode = 0444 },
1648         .show = show_country,
1649 };
1650 
1651 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1652 {
1653         static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1654                 "Joystick", "Gamepad", "Keyboard", "Keypad",
1655                 "Multi-Axis Controller"
1656         };
1657         const char *type, *bus;
1658         char buf[64] = "";
1659         unsigned int i;
1660         int len;
1661         int ret;
1662 
1663         if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1664                 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1665         if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1666                 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1667         if (hdev->bus != BUS_USB)
1668                 connect_mask &= ~HID_CONNECT_HIDDEV;
1669         if (hid_hiddev(hdev))
1670                 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1671 
1672         if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1673                                 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1674                 hdev->claimed |= HID_CLAIMED_INPUT;
1675 
1676         if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1677                         !hdev->hiddev_connect(hdev,
1678                                 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1679                 hdev->claimed |= HID_CLAIMED_HIDDEV;
1680         if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1681                 hdev->claimed |= HID_CLAIMED_HIDRAW;
1682 
1683         if (connect_mask & HID_CONNECT_DRIVER)
1684                 hdev->claimed |= HID_CLAIMED_DRIVER;
1685 
1686         /* Drivers with the ->raw_event callback set are not required to connect
1687          * to any other listener. */
1688         if (!hdev->claimed && !hdev->driver->raw_event) {
1689                 hid_err(hdev, "device has no listeners, quitting\n");
1690                 return -ENODEV;
1691         }
1692 
1693         if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1694                         (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1695                 hdev->ff_init(hdev);
1696 
1697         len = 0;
1698         if (hdev->claimed & HID_CLAIMED_INPUT)
1699                 len += sprintf(buf + len, "input");
1700         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1701                 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1702                                 hdev->minor);
1703         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1704                 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1705                                 ((struct hidraw *)hdev->hidraw)->minor);
1706 
1707         type = "Device";
1708         for (i = 0; i < hdev->maxcollection; i++) {
1709                 struct hid_collection *col = &hdev->collection[i];
1710                 if (col->type == HID_COLLECTION_APPLICATION &&
1711                    (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1712                    (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1713                         type = types[col->usage & 0xffff];
1714                         break;
1715                 }
1716         }
1717 
1718         switch (hdev->bus) {
1719         case BUS_USB:
1720                 bus = "USB";
1721                 break;
1722         case BUS_BLUETOOTH:
1723                 bus = "BLUETOOTH";
1724                 break;
1725         case BUS_I2C:
1726                 bus = "I2C";
1727                 break;
1728         default:
1729                 bus = "<UNKNOWN>";
1730         }
1731 
1732         ret = device_create_file(&hdev->dev, &dev_attr_country);
1733         if (ret)
1734                 hid_warn(hdev,
1735                          "can't create sysfs country code attribute err: %d\n", ret);
1736 
1737         hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1738                  buf, bus, hdev->version >> 8, hdev->version & 0xff,
1739                  type, hdev->name, hdev->phys);
1740 
1741         return 0;
1742 }
1743 EXPORT_SYMBOL_GPL(hid_connect);
1744 
1745 void hid_disconnect(struct hid_device *hdev)
1746 {
1747         device_remove_file(&hdev->dev, &dev_attr_country);
1748         if (hdev->claimed & HID_CLAIMED_INPUT)
1749                 hidinput_disconnect(hdev);
1750         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1751                 hdev->hiddev_disconnect(hdev);
1752         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1753                 hidraw_disconnect(hdev);
1754         hdev->claimed = 0;
1755 }
1756 EXPORT_SYMBOL_GPL(hid_disconnect);
1757 
1758 /*
1759  * A list of devices for which there is a specialized driver on HID bus.
1760  *
1761  * Please note that for multitouch devices (driven by hid-multitouch driver),
1762  * there is a proper autodetection and autoloading in place (based on presence
1763  * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1764  * as we are doing the right thing in hid_scan_usage().
1765  *
1766  * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1767  * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1768  * used as a driver. See hid_scan_report().
1769  */
1770 static const struct hid_device_id hid_have_special_driver[] = {
1771         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1772         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1773         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1774         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1775         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
1776         { HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) },
1777         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1778         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1779         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1780         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1781         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1782         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1783         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1784         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1785         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1786         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1787         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1788         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1789         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1790         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1791         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1792         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1793         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1794         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1795         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1796         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1797         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1798         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1799         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1800         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1801         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1802         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1803         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1804         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1805         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1806         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1807         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1808         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1809         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1810         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1811         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1812         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1813         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1814         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1815         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1816         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1817         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1818         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1819         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1820         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1821         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1822         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1823         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1824         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1825         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1826         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1827         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1828         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1829         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1830         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1831         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1832         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1833         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1834         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1835         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1836         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1837         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1838         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1839         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1840         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1841         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1842         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1843         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1844         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1845         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1846         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1847         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
1848         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
1849         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
1850         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1851         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1852         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1853         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1854         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1855         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
1856         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI) },
1857         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1858         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1859         { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_NOTEBOOK_KEYBOARD) },
1860         { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
1861         { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1862         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
1863         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
1864         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
1865         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
1866         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1867         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1868         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1869         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1870         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1871         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1872         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1873         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1874         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
1875         { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90) },
1876         { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1877         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
1878         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1879         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1880         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1881         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1882         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1883         { HID_USB_DEVICE(USB_VENDOR_ID_DELCOM, USB_DEVICE_ID_DELCOM_VISUAL_IND) },
1884         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1885         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1886         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_WN) },
1887         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_FA) },
1888         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1889         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1890         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
1891         { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1892         { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1893         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1894         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1895         { HID_USB_DEVICE(USB_VENDOR_ID_GEMBIRD, USB_DEVICE_ID_GEMBIRD_JPD_DUALFORCE2) },
1896         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1897         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1898         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1899         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1900         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1901         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1902         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
1903         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1904         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
1905         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
1906         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
1907         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
1908         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
1909         { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
1910         { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
1911         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
1912         { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1913         { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1914         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
1915         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
1916         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
1917         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1918         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1919         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1920         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2) },
1921         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1922         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) },
1923         { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1924         { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1925 #if IS_ENABLED(CONFIG_HID_LENOVO)
1926         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1927         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
1928         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
1929         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
1930 #endif
1931         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1932         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1933         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1934         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1935         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
1936         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
1937         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1938         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1939         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1940         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1941         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1942         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1943         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION) },
1944         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1945         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1946         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1947         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1948         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL) },
1949         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G920_WHEEL) },
1950         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1951         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1952         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1953         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1954         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1955         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1956         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
1957         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1958         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1959         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1960         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1961 #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1962         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1963         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1964 #endif
1965         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1966         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1967         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1968         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1969         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1970         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1971         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_LUXAFOR) },
1972         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1973         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_KEYBOARD) },
1974         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1975         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1976         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
1977         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
1978         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1979         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1980         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1981         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1982         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
1983         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3) },
1984         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_2) },
1985         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP) },
1986         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_4_JP) },
1987         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3) },
1988         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_7K) },
1989         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_600) },
1990         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1) },
1991         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) },
1992         { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1993         { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
1994         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1995         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1996         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1997         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1998         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1999         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
2000         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
2001         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
2002         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
2003         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
2004         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
2005         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
2006         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
2007         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
2008         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
2009         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
2010         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
2011         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
2012         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
2013         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
2014         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
2015         { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
2016         { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
2017         { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
2018         { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
2019         { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
2020 #if IS_ENABLED(CONFIG_HID_ROCCAT)
2021         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
2022         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
2023         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
2024         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
2025         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
2026         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
2027         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
2028         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
2029         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
2030         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
2031         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
2032         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
2033         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
2034         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
2035         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
2036         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
2037 #endif
2038 #if IS_ENABLED(CONFIG_HID_SAITEK)
2039         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
2040         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
2041         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
2042         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT9) },
2043         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
2044         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT5) },
2045         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
2046 #endif
2047         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
2048         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
2049         { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
2050         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
2051         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
2052         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
2053         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2054         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2055         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
2056         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
2057         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
2058         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2059         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2060         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2061         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2062         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
2063         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
2064         { HID_USB_DEVICE(USB_VENDOR_ID_SINO_LITE, USB_DEVICE_ID_SINO_LITE_CONTROLLER) },
2065         { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
2066         { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
2067         { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
2068         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
2069         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
2070         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
2071         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
2072         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
2073         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
2074         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
2075         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
2076         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
2077         { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
2078         { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
2079         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
2080         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
2081         { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
2082         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
2083         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
2084         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
2085         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
2086         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
2087         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
2088         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
2089         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_YIYNOVA_TABLET) },
2090         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_81) },
2091         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_45) },
2092         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) },
2093         { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) },
2094         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
2095         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
2096         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
2097         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
2098         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
2099         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
2100         { HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII) },
2101         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
2102         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
2103         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
2104         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
2105         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
2106         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
2107         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
2108         { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
2109         { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
2110         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
2111         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
2112         { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
2113 
2114         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
2115         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
2116         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
2117         { HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
2118         { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM6533) },
2119         { }
2120 };
2121 
2122 struct hid_dynid {
2123         struct list_head list;
2124         struct hid_device_id id;
2125 };
2126 
2127 /**
2128  * store_new_id - add a new HID device ID to this driver and re-probe devices
2129  * @driver: target device driver
2130  * @buf: buffer for scanning device ID data
2131  * @count: input size
2132  *
2133  * Adds a new dynamic hid device ID to this driver,
2134  * and causes the driver to probe for all devices again.
2135  */
2136 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
2137                 size_t count)
2138 {
2139         struct hid_driver *hdrv = to_hid_driver(drv);
2140         struct hid_dynid *dynid;
2141         __u32 bus, vendor, product;
2142         unsigned long driver_data = 0;
2143         int ret;
2144 
2145         ret = sscanf(buf, "%x %x %x %lx",
2146                         &bus, &vendor, &product, &driver_data);
2147         if (ret < 3)
2148                 return -EINVAL;
2149 
2150         dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2151         if (!dynid)
2152                 return -ENOMEM;
2153 
2154         dynid->id.bus = bus;
2155         dynid->id.group = HID_GROUP_ANY;
2156         dynid->id.vendor = vendor;
2157         dynid->id.product = product;
2158         dynid->id.driver_data = driver_data;
2159 
2160         spin_lock(&hdrv->dyn_lock);
2161         list_add_tail(&dynid->list, &hdrv->dyn_list);
2162         spin_unlock(&hdrv->dyn_lock);
2163 
2164         ret = driver_attach(&hdrv->driver);
2165 
2166         return ret ? : count;
2167 }
2168 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
2169 
2170 static void hid_free_dynids(struct hid_driver *hdrv)
2171 {
2172         struct hid_dynid *dynid, *n;
2173 
2174         spin_lock(&hdrv->dyn_lock);
2175         list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2176                 list_del(&dynid->list);
2177                 kfree(dynid);
2178         }
2179         spin_unlock(&hdrv->dyn_lock);
2180 }
2181 
2182 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2183                 struct hid_driver *hdrv)
2184 {
2185         struct hid_dynid *dynid;
2186 
2187         spin_lock(&hdrv->dyn_lock);
2188         list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2189                 if (hid_match_one_id(hdev, &dynid->id)) {
2190                         spin_unlock(&hdrv->dyn_lock);
2191                         return &dynid->id;
2192                 }
2193         }
2194         spin_unlock(&hdrv->dyn_lock);
2195 
2196         return hid_match_id(hdev, hdrv->id_table);
2197 }
2198 
2199 static int hid_bus_match(struct device *dev, struct device_driver *drv)
2200 {
2201         struct hid_driver *hdrv = to_hid_driver(drv);
2202         struct hid_device *hdev = to_hid_device(dev);
2203 
2204         return hid_match_device(hdev, hdrv) != NULL;
2205 }
2206 
2207 static int hid_device_probe(struct device *dev)
2208 {
2209         struct hid_driver *hdrv = to_hid_driver(dev->driver);
2210         struct hid_device *hdev = to_hid_device(dev);
2211         const struct hid_device_id *id;
2212         int ret = 0;
2213 
2214         if (down_interruptible(&hdev->driver_lock))
2215                 return -EINTR;
2216         if (down_interruptible(&hdev->driver_input_lock)) {
2217                 ret = -EINTR;
2218                 goto unlock_driver_lock;
2219         }
2220         hdev->io_started = false;
2221 
2222         if (!hdev->driver) {
2223                 id = hid_match_device(hdev, hdrv);
2224                 if (id == NULL) {
2225                         ret = -ENODEV;
2226                         goto unlock;
2227                 }
2228 
2229                 hdev->driver = hdrv;
2230                 if (hdrv->probe) {
2231                         ret = hdrv->probe(hdev, id);
2232                 } else { /* default probe */
2233                         ret = hid_open_report(hdev);
2234                         if (!ret)
2235                                 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2236                 }
2237                 if (ret) {
2238                         hid_close_report(hdev);
2239                         hdev->driver = NULL;
2240                 }
2241         }
2242 unlock:
2243         if (!hdev->io_started)
2244                 up(&hdev->driver_input_lock);
2245 unlock_driver_lock:
2246         up(&hdev->driver_lock);
2247         return ret;
2248 }
2249 
2250 static int hid_device_remove(struct device *dev)
2251 {
2252         struct hid_device *hdev = to_hid_device(dev);
2253         struct hid_driver *hdrv;
2254         int ret = 0;
2255 
2256         if (down_interruptible(&hdev->driver_lock))
2257                 return -EINTR;
2258         if (down_interruptible(&hdev->driver_input_lock)) {
2259                 ret = -EINTR;
2260                 goto unlock_driver_lock;
2261         }
2262         hdev->io_started = false;
2263 
2264         hdrv = hdev->driver;
2265         if (hdrv) {
2266                 if (hdrv->remove)
2267                         hdrv->remove(hdev);
2268                 else /* default remove */
2269                         hid_hw_stop(hdev);
2270                 hid_close_report(hdev);
2271                 hdev->driver = NULL;
2272         }
2273 
2274         if (!hdev->io_started)
2275                 up(&hdev->driver_input_lock);
2276 unlock_driver_lock:
2277         up(&hdev->driver_lock);
2278         return ret;
2279 }
2280 
2281 static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2282                              char *buf)
2283 {
2284         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2285 
2286         return scnprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2287                          hdev->bus, hdev->group, hdev->vendor, hdev->product);
2288 }
2289 static DEVICE_ATTR_RO(modalias);
2290 
2291 static struct attribute *hid_dev_attrs[] = {
2292         &dev_attr_modalias.attr,
2293         NULL,
2294 };
2295 static struct bin_attribute *hid_dev_bin_attrs[] = {
2296         &dev_bin_attr_report_desc,
2297         NULL
2298 };
2299 static const struct attribute_group hid_dev_group = {
2300         .attrs = hid_dev_attrs,
2301         .bin_attrs = hid_dev_bin_attrs,
2302 };
2303 __ATTRIBUTE_GROUPS(hid_dev);
2304 
2305 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2306 {
2307         struct hid_device *hdev = to_hid_device(dev);   
2308 
2309         if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2310                         hdev->bus, hdev->vendor, hdev->product))
2311                 return -ENOMEM;
2312 
2313         if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2314                 return -ENOMEM;
2315 
2316         if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2317                 return -ENOMEM;
2318 
2319         if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2320                 return -ENOMEM;
2321 
2322         if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2323                            hdev->bus, hdev->group, hdev->vendor, hdev->product))
2324                 return -ENOMEM;
2325 
2326         return 0;
2327 }
2328 
2329 static struct bus_type hid_bus_type = {
2330         .name           = "hid",
2331         .dev_groups     = hid_dev_groups,
2332         .match          = hid_bus_match,
2333         .probe          = hid_device_probe,
2334         .remove         = hid_device_remove,
2335         .uevent         = hid_uevent,
2336 };
2337 
2338 /* a list of devices that shouldn't be handled by HID core at all */
2339 static const struct hid_device_id hid_ignore_list[] = {
2340         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2341         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2342         { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2343         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2344         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2345         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2346         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2347         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2348         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2349         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2350         { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2351         { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2352         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2353         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
2354         { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2355         { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
2356         { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2357         { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2358         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2359         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
2360         { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2361         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2362         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2363         { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
2364         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2365         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2366         { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) },
2367         { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0401) },
2368         { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2369         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2370         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2371         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
2372         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
2373         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2374         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2375         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2376         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2377         { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2378         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2379         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2380         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
2381         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2382         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2383         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2384         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2385         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2386         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2387         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2388         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2389         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2390         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2391         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2392         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2393         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2394         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2395         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2396         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2397         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2398         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2399         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2400         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2401         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2402         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2403         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2404         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2405         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2406         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2407         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2408         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2409         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2410         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2411         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2412         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2413         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2414         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2415         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2416         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2417         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2418         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2419         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2420         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2421         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2422         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2423         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2424         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2425         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2426         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2427         { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2428         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2429         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
2430         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
2431         { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2432         { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2433         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2434         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2435         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2436         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2437         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2438         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2439         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2440         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2441         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2442         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2443         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2444         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2445         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2446         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2447         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2448         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2449         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2450         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2451         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2452         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2453         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2454         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2455         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2456         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2457         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2458         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2459         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2460         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2461         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2462         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2463         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2464         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2465         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2466         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2467         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2468         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2469         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2470         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2471         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2472         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
2473         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454_V2) },
2474         { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2475         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2476         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2477         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2478         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2479         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2480         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2481         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2482         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2483         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2484         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2485         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2486         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2487         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2488         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2489         { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2490         { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2491 #if IS_ENABLED(CONFIG_MOUSE_SYNAPTICS_USB)
2492         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2493         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2494         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2495         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2496         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2497         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2498         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2499         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2500 #endif
2501         { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2502         { }
2503 };
2504 
2505 /**
2506  * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2507  *
2508  * There are composite devices for which we want to ignore only a certain
2509  * interface. This is a list of devices for which only the mouse interface will
2510  * be ignored. This allows a dedicated driver to take care of the interface.
2511  */
2512 static const struct hid_device_id hid_mouse_ignore_list[] = {
2513         /* appletouch driver */
2514         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2515         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2516         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2517         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2518         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2519         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2520         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2521         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2522         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2523         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2524         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2525         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2526         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2527         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2528         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2529         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2530         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2531         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2532         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2533         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2534         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2535         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2536         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2537         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2538         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2539         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2540         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2541         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2542         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2543         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2544         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2545         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2546         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2547         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2548         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2549         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2550         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2551         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2552         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2553         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2554         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2555         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2556         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2557         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2558         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2559         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2560         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2561         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2562         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2563         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2564         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
2565         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
2566         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
2567         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2568         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2569         { }
2570 };
2571 
2572 bool hid_ignore(struct hid_device *hdev)
2573 {
2574         if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2575                 return false;
2576         if (hdev->quirks & HID_QUIRK_IGNORE)
2577                 return true;
2578 
2579         switch (hdev->vendor) {
2580         case USB_VENDOR_ID_CODEMERCS:
2581                 /* ignore all Code Mercenaries IOWarrior devices */
2582                 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2583                                 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2584                         return true;
2585                 break;
2586         case USB_VENDOR_ID_LOGITECH:
2587                 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2588                                 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2589                         return true;
2590                 /*
2591                  * The Keene FM transmitter USB device has the same USB ID as
2592                  * the Logitech AudioHub Speaker, but it should ignore the hid.
2593                  * Check if the name is that of the Keene device.
2594                  * For reference: the name of the AudioHub is
2595                  * "HOLTEK  AudioHub Speaker".
2596                  */
2597                 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2598                         !strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
2599                                 return true;
2600                 break;
2601         case USB_VENDOR_ID_SOUNDGRAPH:
2602                 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2603                     hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2604                         return true;
2605                 break;
2606         case USB_VENDOR_ID_HANWANG:
2607                 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2608                     hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2609                         return true;
2610                 break;
2611         case USB_VENDOR_ID_JESS:
2612                 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2613                                 hdev->type == HID_TYPE_USBNONE)
2614                         return true;
2615                 break;
2616         case USB_VENDOR_ID_VELLEMAN:
2617                 /* These are not HID devices.  They are handled by comedi. */
2618                 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2619                      hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2620                     (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2621                      hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2622                         return true;
2623                 break;
2624         case USB_VENDOR_ID_ATMEL_V_USB:
2625                 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2626                  * it has the same USB ID as many Atmel V-USB devices. This
2627                  * usb radio is handled by radio-ma901.c driver so we want
2628                  * ignore the hid. Check the name, bus, product and ignore
2629                  * if we have MA901 usb radio.
2630                  */
2631                 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2632                         hdev->bus == BUS_USB &&
2633                         strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2634                         return true;
2635                 break;
2636         }
2637 
2638         if (hdev->type == HID_TYPE_USBMOUSE &&
2639                         hid_match_id(hdev, hid_mouse_ignore_list))
2640                 return true;
2641 
2642         return !!hid_match_id(hdev, hid_ignore_list);
2643 }
2644 EXPORT_SYMBOL_GPL(hid_ignore);
2645 
2646 int hid_add_device(struct hid_device *hdev)
2647 {
2648         static atomic_t id = ATOMIC_INIT(0);
2649         int ret;
2650 
2651         if (WARN_ON(hdev->status & HID_STAT_ADDED))
2652                 return -EBUSY;
2653 
2654         /* we need to kill them here, otherwise they will stay allocated to
2655          * wait for coming driver */
2656         if (hid_ignore(hdev))
2657                 return -ENODEV;
2658 
2659         /*
2660          * Check for the mandatory transport channel.
2661          */
2662          if (!hdev->ll_driver->raw_request) {
2663                 hid_err(hdev, "transport driver missing .raw_request()\n");
2664                 return -EINVAL;
2665          }
2666 
2667         /*
2668          * Read the device report descriptor once and use as template
2669          * for the driver-specific modifications.
2670          */
2671         ret = hdev->ll_driver->parse(hdev);
2672         if (ret)
2673                 return ret;
2674         if (!hdev->dev_rdesc)
2675                 return -ENODEV;
2676 
2677         /*
2678          * Scan generic devices for group information
2679          */
2680         if (hid_ignore_special_drivers) {
2681                 hdev->group = HID_GROUP_GENERIC;
2682         } else if (!hdev->group &&
2683                    !hid_match_id(hdev, hid_have_special_driver)) {
2684                 ret = hid_scan_report(hdev);
2685                 if (ret)
2686                         hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2687         }
2688 
2689         /* XXX hack, any other cleaner solution after the driver core
2690          * is converted to allow more than 20 bytes as the device name? */
2691         dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2692                      hdev->vendor, hdev->product, atomic_inc_return(&id));
2693 
2694         hid_debug_register(hdev, dev_name(&hdev->dev));
2695         ret = device_add(&hdev->dev);
2696         if (!ret)
2697                 hdev->status |= HID_STAT_ADDED;
2698         else
2699                 hid_debug_unregister(hdev);
2700 
2701         return ret;
2702 }
2703 EXPORT_SYMBOL_GPL(hid_add_device);
2704 
2705 /**
2706  * hid_allocate_device - allocate new hid device descriptor
2707  *
2708  * Allocate and initialize hid device, so that hid_destroy_device might be
2709  * used to free it.
2710  *
2711  * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2712  * error value.
2713  */
2714 struct hid_device *hid_allocate_device(void)
2715 {
2716         struct hid_device *hdev;
2717         int ret = -ENOMEM;
2718 
2719         hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2720         if (hdev == NULL)
2721                 return ERR_PTR(ret);
2722 
2723         device_initialize(&hdev->dev);
2724         hdev->dev.release = hid_device_release;
2725         hdev->dev.bus = &hid_bus_type;
2726         device_enable_async_suspend(&hdev->dev);
2727 
2728         hid_close_report(hdev);
2729 
2730         init_waitqueue_head(&hdev->debug_wait);
2731         INIT_LIST_HEAD(&hdev->debug_list);
2732         spin_lock_init(&hdev->debug_list_lock);
2733         sema_init(&hdev->driver_lock, 1);
2734         sema_init(&hdev->driver_input_lock, 1);
2735 
2736         return hdev;
2737 }
2738 EXPORT_SYMBOL_GPL(hid_allocate_device);
2739 
2740 static void hid_remove_device(struct hid_device *hdev)
2741 {
2742         if (hdev->status & HID_STAT_ADDED) {
2743                 device_del(&hdev->dev);
2744                 hid_debug_unregister(hdev);
2745                 hdev->status &= ~HID_STAT_ADDED;
2746         }
2747         kfree(hdev->dev_rdesc);
2748         hdev->dev_rdesc = NULL;
2749         hdev->dev_rsize = 0;
2750 }
2751 
2752 /**
2753  * hid_destroy_device - free previously allocated device
2754  *
2755  * @hdev: hid device
2756  *
2757  * If you allocate hid_device through hid_allocate_device, you should ever
2758  * free by this function.
2759  */
2760 void hid_destroy_device(struct hid_device *hdev)
2761 {
2762         hid_remove_device(hdev);
2763         put_device(&hdev->dev);
2764 }
2765 EXPORT_SYMBOL_GPL(hid_destroy_device);
2766 
2767 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2768                 const char *mod_name)
2769 {
2770         int ret;
2771 
2772         hdrv->driver.name = hdrv->name;
2773         hdrv->driver.bus = &hid_bus_type;
2774         hdrv->driver.owner = owner;
2775         hdrv->driver.mod_name = mod_name;
2776 
2777         INIT_LIST_HEAD(&hdrv->dyn_list);
2778         spin_lock_init(&hdrv->dyn_lock);
2779 
2780         ret = driver_register(&hdrv->driver);
2781         if (ret)
2782                 return ret;
2783 
2784         ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2785         if (ret)
2786                 driver_unregister(&hdrv->driver);
2787 
2788         return ret;
2789 }
2790 EXPORT_SYMBOL_GPL(__hid_register_driver);
2791 
2792 void hid_unregister_driver(struct hid_driver *hdrv)
2793 {
2794         driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2795         driver_unregister(&hdrv->driver);
2796         hid_free_dynids(hdrv);
2797 }
2798 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2799 
2800 int hid_check_keys_pressed(struct hid_device *hid)
2801 {
2802         struct hid_input *hidinput;
2803         int i;
2804 
2805         if (!(hid->claimed & HID_CLAIMED_INPUT))
2806                 return 0;
2807 
2808         list_for_each_entry(hidinput, &hid->inputs, list) {
2809                 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2810                         if (hidinput->input->key[i])
2811                                 return 1;
2812         }
2813 
2814         return 0;
2815 }
2816 
2817 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2818 
2819 static int __init hid_init(void)
2820 {
2821         int ret;
2822 
2823         if (hid_debug)
2824                 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2825                         "debugfs is now used for inspecting the device (report descriptor, reports)\n");
2826 
2827         ret = bus_register(&hid_bus_type);
2828         if (ret) {
2829                 pr_err("can't register hid bus\n");
2830                 goto err;
2831         }
2832 
2833         ret = hidraw_init();
2834         if (ret)
2835                 goto err_bus;
2836 
2837         hid_debug_init();
2838 
2839         return 0;
2840 err_bus:
2841         bus_unregister(&hid_bus_type);
2842 err:
2843         return ret;
2844 }
2845 
2846 static void __exit hid_exit(void)
2847 {
2848         hid_debug_exit();
2849         hidraw_exit();
2850         bus_unregister(&hid_bus_type);
2851 }
2852 
2853 module_init(hid_init);
2854 module_exit(hid_exit);
2855 
2856 MODULE_AUTHOR("Andreas Gal");
2857 MODULE_AUTHOR("Vojtech Pavlik");
2858 MODULE_AUTHOR("Jiri Kosina");
2859 MODULE_LICENSE(DRIVER_LICENSE);
2860 
2861 

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