hid-core.c revision b1807719f6acdf18cc4bde3b5400d05d77801494
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) 2006-2010 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 48int hid_debug = 0; 49module_param_named(debug, hid_debug, int, 0600); 50MODULE_PARM_DESC(debug, "toggle HID debugging messages"); 51EXPORT_SYMBOL_GPL(hid_debug); 52 53/* 54 * Register a new report for a device. 55 */ 56 57struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id) 58{ 59 struct hid_report_enum *report_enum = device->report_enum + type; 60 struct hid_report *report; 61 62 if (report_enum->report_id_hash[id]) 63 return report_enum->report_id_hash[id]; 64 65 report = kzalloc(sizeof(struct hid_report), GFP_KERNEL); 66 if (!report) 67 return NULL; 68 69 if (id != 0) 70 report_enum->numbered = 1; 71 72 report->id = id; 73 report->type = type; 74 report->size = 0; 75 report->device = device; 76 report_enum->report_id_hash[id] = report; 77 78 list_add_tail(&report->list, &report_enum->report_list); 79 80 return report; 81} 82EXPORT_SYMBOL_GPL(hid_register_report); 83 84/* 85 * Register a new field for this report. 86 */ 87 88static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values) 89{ 90 struct hid_field *field; 91 92 if (report->maxfield == HID_MAX_FIELDS) { 93 dbg_hid("too many fields in report\n"); 94 return NULL; 95 } 96 97 field = kzalloc((sizeof(struct hid_field) + 98 usages * sizeof(struct hid_usage) + 99 values * sizeof(unsigned)), GFP_KERNEL); 100 if (!field) 101 return NULL; 102 103 field->index = report->maxfield++; 104 report->field[field->index] = field; 105 field->usage = (struct hid_usage *)(field + 1); 106 field->value = (s32 *)(field->usage + usages); 107 field->report = report; 108 109 return field; 110} 111 112/* 113 * Open a collection. The type/usage is pushed on the stack. 114 */ 115 116static int open_collection(struct hid_parser *parser, unsigned type) 117{ 118 struct hid_collection *collection; 119 unsigned usage; 120 121 usage = parser->local.usage[0]; 122 123 if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) { 124 dbg_hid("collection stack overflow\n"); 125 return -1; 126 } 127 128 if (parser->device->maxcollection == parser->device->collection_size) { 129 collection = kmalloc(sizeof(struct hid_collection) * 130 parser->device->collection_size * 2, GFP_KERNEL); 131 if (collection == NULL) { 132 dbg_hid("failed to reallocate collection array\n"); 133 return -1; 134 } 135 memcpy(collection, parser->device->collection, 136 sizeof(struct hid_collection) * 137 parser->device->collection_size); 138 memset(collection + parser->device->collection_size, 0, 139 sizeof(struct hid_collection) * 140 parser->device->collection_size); 141 kfree(parser->device->collection); 142 parser->device->collection = collection; 143 parser->device->collection_size *= 2; 144 } 145 146 parser->collection_stack[parser->collection_stack_ptr++] = 147 parser->device->maxcollection; 148 149 collection = parser->device->collection + 150 parser->device->maxcollection++; 151 collection->type = type; 152 collection->usage = usage; 153 collection->level = parser->collection_stack_ptr - 1; 154 155 if (type == HID_COLLECTION_APPLICATION) 156 parser->device->maxapplication++; 157 158 return 0; 159} 160 161/* 162 * Close a collection. 163 */ 164 165static int close_collection(struct hid_parser *parser) 166{ 167 if (!parser->collection_stack_ptr) { 168 dbg_hid("collection stack underflow\n"); 169 return -1; 170 } 171 parser->collection_stack_ptr--; 172 return 0; 173} 174 175/* 176 * Climb up the stack, search for the specified collection type 177 * and return the usage. 178 */ 179 180static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type) 181{ 182 struct hid_collection *collection = parser->device->collection; 183 int n; 184 185 for (n = parser->collection_stack_ptr - 1; n >= 0; n--) { 186 unsigned index = parser->collection_stack[n]; 187 if (collection[index].type == type) 188 return collection[index].usage; 189 } 190 return 0; /* we know nothing about this usage type */ 191} 192 193/* 194 * Add a usage to the temporary parser table. 195 */ 196 197static int hid_add_usage(struct hid_parser *parser, unsigned usage) 198{ 199 if (parser->local.usage_index >= HID_MAX_USAGES) { 200 dbg_hid("usage index exceeded\n"); 201 return -1; 202 } 203 parser->local.usage[parser->local.usage_index] = usage; 204 parser->local.collection_index[parser->local.usage_index] = 205 parser->collection_stack_ptr ? 206 parser->collection_stack[parser->collection_stack_ptr - 1] : 0; 207 parser->local.usage_index++; 208 return 0; 209} 210 211/* 212 * Register a new field for this report. 213 */ 214 215static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags) 216{ 217 struct hid_report *report; 218 struct hid_field *field; 219 int usages; 220 unsigned offset; 221 int i; 222 223 report = hid_register_report(parser->device, report_type, parser->global.report_id); 224 if (!report) { 225 dbg_hid("hid_register_report failed\n"); 226 return -1; 227 } 228 229 if (parser->global.logical_maximum < parser->global.logical_minimum) { 230 dbg_hid("logical range invalid %d %d\n", parser->global.logical_minimum, parser->global.logical_maximum); 231 return -1; 232 } 233 234 offset = report->size; 235 report->size += parser->global.report_size * parser->global.report_count; 236 237 if (!parser->local.usage_index) /* Ignore padding fields */ 238 return 0; 239 240 usages = max_t(int, parser->local.usage_index, parser->global.report_count); 241 242 field = hid_register_field(report, usages, parser->global.report_count); 243 if (!field) 244 return 0; 245 246 field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL); 247 field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL); 248 field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION); 249 250 for (i = 0; i < usages; i++) { 251 int j = i; 252 /* Duplicate the last usage we parsed if we have excess values */ 253 if (i >= parser->local.usage_index) 254 j = parser->local.usage_index - 1; 255 field->usage[i].hid = parser->local.usage[j]; 256 field->usage[i].collection_index = 257 parser->local.collection_index[j]; 258 } 259 260 field->maxusage = usages; 261 field->flags = flags; 262 field->report_offset = offset; 263 field->report_type = report_type; 264 field->report_size = parser->global.report_size; 265 field->report_count = parser->global.report_count; 266 field->logical_minimum = parser->global.logical_minimum; 267 field->logical_maximum = parser->global.logical_maximum; 268 field->physical_minimum = parser->global.physical_minimum; 269 field->physical_maximum = parser->global.physical_maximum; 270 field->unit_exponent = parser->global.unit_exponent; 271 field->unit = parser->global.unit; 272 273 return 0; 274} 275 276/* 277 * Read data value from item. 278 */ 279 280static u32 item_udata(struct hid_item *item) 281{ 282 switch (item->size) { 283 case 1: return item->data.u8; 284 case 2: return item->data.u16; 285 case 4: return item->data.u32; 286 } 287 return 0; 288} 289 290static s32 item_sdata(struct hid_item *item) 291{ 292 switch (item->size) { 293 case 1: return item->data.s8; 294 case 2: return item->data.s16; 295 case 4: return item->data.s32; 296 } 297 return 0; 298} 299 300/* 301 * Process a global item. 302 */ 303 304static int hid_parser_global(struct hid_parser *parser, struct hid_item *item) 305{ 306 switch (item->tag) { 307 case HID_GLOBAL_ITEM_TAG_PUSH: 308 309 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) { 310 dbg_hid("global environment stack overflow\n"); 311 return -1; 312 } 313 314 memcpy(parser->global_stack + parser->global_stack_ptr++, 315 &parser->global, sizeof(struct hid_global)); 316 return 0; 317 318 case HID_GLOBAL_ITEM_TAG_POP: 319 320 if (!parser->global_stack_ptr) { 321 dbg_hid("global environment stack underflow\n"); 322 return -1; 323 } 324 325 memcpy(&parser->global, parser->global_stack + 326 --parser->global_stack_ptr, sizeof(struct hid_global)); 327 return 0; 328 329 case HID_GLOBAL_ITEM_TAG_USAGE_PAGE: 330 parser->global.usage_page = item_udata(item); 331 return 0; 332 333 case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM: 334 parser->global.logical_minimum = item_sdata(item); 335 return 0; 336 337 case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM: 338 if (parser->global.logical_minimum < 0) 339 parser->global.logical_maximum = item_sdata(item); 340 else 341 parser->global.logical_maximum = item_udata(item); 342 return 0; 343 344 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM: 345 parser->global.physical_minimum = item_sdata(item); 346 return 0; 347 348 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM: 349 if (parser->global.physical_minimum < 0) 350 parser->global.physical_maximum = item_sdata(item); 351 else 352 parser->global.physical_maximum = item_udata(item); 353 return 0; 354 355 case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT: 356 parser->global.unit_exponent = item_sdata(item); 357 return 0; 358 359 case HID_GLOBAL_ITEM_TAG_UNIT: 360 parser->global.unit = item_udata(item); 361 return 0; 362 363 case HID_GLOBAL_ITEM_TAG_REPORT_SIZE: 364 parser->global.report_size = item_udata(item); 365 if (parser->global.report_size > 32) { 366 dbg_hid("invalid report_size %d\n", 367 parser->global.report_size); 368 return -1; 369 } 370 return 0; 371 372 case HID_GLOBAL_ITEM_TAG_REPORT_COUNT: 373 parser->global.report_count = item_udata(item); 374 if (parser->global.report_count > HID_MAX_USAGES) { 375 dbg_hid("invalid report_count %d\n", 376 parser->global.report_count); 377 return -1; 378 } 379 return 0; 380 381 case HID_GLOBAL_ITEM_TAG_REPORT_ID: 382 parser->global.report_id = item_udata(item); 383 if (parser->global.report_id == 0) { 384 dbg_hid("report_id 0 is invalid\n"); 385 return -1; 386 } 387 return 0; 388 389 default: 390 dbg_hid("unknown global tag 0x%x\n", item->tag); 391 return -1; 392 } 393} 394 395/* 396 * Process a local item. 397 */ 398 399static int hid_parser_local(struct hid_parser *parser, struct hid_item *item) 400{ 401 __u32 data; 402 unsigned n; 403 404 data = item_udata(item); 405 406 switch (item->tag) { 407 case HID_LOCAL_ITEM_TAG_DELIMITER: 408 409 if (data) { 410 /* 411 * We treat items before the first delimiter 412 * as global to all usage sets (branch 0). 413 * In the moment we process only these global 414 * items and the first delimiter set. 415 */ 416 if (parser->local.delimiter_depth != 0) { 417 dbg_hid("nested delimiters\n"); 418 return -1; 419 } 420 parser->local.delimiter_depth++; 421 parser->local.delimiter_branch++; 422 } else { 423 if (parser->local.delimiter_depth < 1) { 424 dbg_hid("bogus close delimiter\n"); 425 return -1; 426 } 427 parser->local.delimiter_depth--; 428 } 429 return 1; 430 431 case HID_LOCAL_ITEM_TAG_USAGE: 432 433 if (parser->local.delimiter_branch > 1) { 434 dbg_hid("alternative usage ignored\n"); 435 return 0; 436 } 437 438 if (item->size <= 2) 439 data = (parser->global.usage_page << 16) + data; 440 441 return hid_add_usage(parser, data); 442 443 case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM: 444 445 if (parser->local.delimiter_branch > 1) { 446 dbg_hid("alternative usage ignored\n"); 447 return 0; 448 } 449 450 if (item->size <= 2) 451 data = (parser->global.usage_page << 16) + data; 452 453 parser->local.usage_minimum = data; 454 return 0; 455 456 case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM: 457 458 if (parser->local.delimiter_branch > 1) { 459 dbg_hid("alternative usage ignored\n"); 460 return 0; 461 } 462 463 if (item->size <= 2) 464 data = (parser->global.usage_page << 16) + data; 465 466 for (n = parser->local.usage_minimum; n <= data; n++) 467 if (hid_add_usage(parser, n)) { 468 dbg_hid("hid_add_usage failed\n"); 469 return -1; 470 } 471 return 0; 472 473 default: 474 475 dbg_hid("unknown local item tag 0x%x\n", item->tag); 476 return 0; 477 } 478 return 0; 479} 480 481/* 482 * Process a main item. 483 */ 484 485static int hid_parser_main(struct hid_parser *parser, struct hid_item *item) 486{ 487 __u32 data; 488 int ret; 489 490 data = item_udata(item); 491 492 switch (item->tag) { 493 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION: 494 ret = open_collection(parser, data & 0xff); 495 break; 496 case HID_MAIN_ITEM_TAG_END_COLLECTION: 497 ret = close_collection(parser); 498 break; 499 case HID_MAIN_ITEM_TAG_INPUT: 500 ret = hid_add_field(parser, HID_INPUT_REPORT, data); 501 break; 502 case HID_MAIN_ITEM_TAG_OUTPUT: 503 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data); 504 break; 505 case HID_MAIN_ITEM_TAG_FEATURE: 506 ret = hid_add_field(parser, HID_FEATURE_REPORT, data); 507 break; 508 default: 509 dbg_hid("unknown main item tag 0x%x\n", item->tag); 510 ret = 0; 511 } 512 513 memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */ 514 515 return ret; 516} 517 518/* 519 * Process a reserved item. 520 */ 521 522static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item) 523{ 524 dbg_hid("reserved item type, tag 0x%x\n", item->tag); 525 return 0; 526} 527 528/* 529 * Free a report and all registered fields. The field->usage and 530 * field->value table's are allocated behind the field, so we need 531 * only to free(field) itself. 532 */ 533 534static void hid_free_report(struct hid_report *report) 535{ 536 unsigned n; 537 538 for (n = 0; n < report->maxfield; n++) 539 kfree(report->field[n]); 540 kfree(report); 541} 542 543/* 544 * Free a device structure, all reports, and all fields. 545 */ 546 547static void hid_device_release(struct device *dev) 548{ 549 struct hid_device *device = container_of(dev, struct hid_device, dev); 550 unsigned i, j; 551 552 for (i = 0; i < HID_REPORT_TYPES; i++) { 553 struct hid_report_enum *report_enum = device->report_enum + i; 554 555 for (j = 0; j < 256; j++) { 556 struct hid_report *report = report_enum->report_id_hash[j]; 557 if (report) 558 hid_free_report(report); 559 } 560 } 561 562 kfree(device->rdesc); 563 kfree(device->collection); 564 kfree(device); 565} 566 567/* 568 * Fetch a report description item from the data stream. We support long 569 * items, though they are not used yet. 570 */ 571 572static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item) 573{ 574 u8 b; 575 576 if ((end - start) <= 0) 577 return NULL; 578 579 b = *start++; 580 581 item->type = (b >> 2) & 3; 582 item->tag = (b >> 4) & 15; 583 584 if (item->tag == HID_ITEM_TAG_LONG) { 585 586 item->format = HID_ITEM_FORMAT_LONG; 587 588 if ((end - start) < 2) 589 return NULL; 590 591 item->size = *start++; 592 item->tag = *start++; 593 594 if ((end - start) < item->size) 595 return NULL; 596 597 item->data.longdata = start; 598 start += item->size; 599 return start; 600 } 601 602 item->format = HID_ITEM_FORMAT_SHORT; 603 item->size = b & 3; 604 605 switch (item->size) { 606 case 0: 607 return start; 608 609 case 1: 610 if ((end - start) < 1) 611 return NULL; 612 item->data.u8 = *start++; 613 return start; 614 615 case 2: 616 if ((end - start) < 2) 617 return NULL; 618 item->data.u16 = get_unaligned_le16(start); 619 start = (__u8 *)((__le16 *)start + 1); 620 return start; 621 622 case 3: 623 item->size++; 624 if ((end - start) < 4) 625 return NULL; 626 item->data.u32 = get_unaligned_le32(start); 627 start = (__u8 *)((__le32 *)start + 1); 628 return start; 629 } 630 631 return NULL; 632} 633 634/** 635 * hid_parse_report - parse device report 636 * 637 * @device: hid device 638 * @start: report start 639 * @size: report size 640 * 641 * Parse a report description into a hid_device structure. Reports are 642 * enumerated, fields are attached to these reports. 643 * 0 returned on success, otherwise nonzero error value. 644 */ 645int hid_parse_report(struct hid_device *device, __u8 *start, 646 unsigned size) 647{ 648 struct hid_parser *parser; 649 struct hid_item item; 650 __u8 *end; 651 int ret; 652 static int (*dispatch_type[])(struct hid_parser *parser, 653 struct hid_item *item) = { 654 hid_parser_main, 655 hid_parser_global, 656 hid_parser_local, 657 hid_parser_reserved 658 }; 659 660 if (device->driver->report_fixup) 661 start = device->driver->report_fixup(device, start, &size); 662 663 device->rdesc = kmemdup(start, size, GFP_KERNEL); 664 if (device->rdesc == NULL) 665 return -ENOMEM; 666 device->rsize = size; 667 668 parser = vzalloc(sizeof(struct hid_parser)); 669 if (!parser) { 670 ret = -ENOMEM; 671 goto err; 672 } 673 674 parser->device = device; 675 676 end = start + size; 677 ret = -EINVAL; 678 while ((start = fetch_item(start, end, &item)) != NULL) { 679 680 if (item.format != HID_ITEM_FORMAT_SHORT) { 681 dbg_hid("unexpected long global item\n"); 682 goto err; 683 } 684 685 if (dispatch_type[item.type](parser, &item)) { 686 dbg_hid("item %u %u %u %u parsing failed\n", 687 item.format, (unsigned)item.size, 688 (unsigned)item.type, (unsigned)item.tag); 689 goto err; 690 } 691 692 if (start == end) { 693 if (parser->collection_stack_ptr) { 694 dbg_hid("unbalanced collection at end of report description\n"); 695 goto err; 696 } 697 if (parser->local.delimiter_depth) { 698 dbg_hid("unbalanced delimiter at end of report description\n"); 699 goto err; 700 } 701 vfree(parser); 702 return 0; 703 } 704 } 705 706 dbg_hid("item fetching failed at offset %d\n", (int)(end - start)); 707err: 708 vfree(parser); 709 return ret; 710} 711EXPORT_SYMBOL_GPL(hid_parse_report); 712 713/* 714 * Convert a signed n-bit integer to signed 32-bit integer. Common 715 * cases are done through the compiler, the screwed things has to be 716 * done by hand. 717 */ 718 719static s32 snto32(__u32 value, unsigned n) 720{ 721 switch (n) { 722 case 8: return ((__s8)value); 723 case 16: return ((__s16)value); 724 case 32: return ((__s32)value); 725 } 726 return value & (1 << (n - 1)) ? value | (-1 << n) : value; 727} 728 729/* 730 * Convert a signed 32-bit integer to a signed n-bit integer. 731 */ 732 733static u32 s32ton(__s32 value, unsigned n) 734{ 735 s32 a = value >> (n - 1); 736 if (a && a != -1) 737 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1; 738 return value & ((1 << n) - 1); 739} 740 741/* 742 * Extract/implement a data field from/to a little endian report (bit array). 743 * 744 * Code sort-of follows HID spec: 745 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf 746 * 747 * While the USB HID spec allows unlimited length bit fields in "report 748 * descriptors", most devices never use more than 16 bits. 749 * One model of UPS is claimed to report "LINEV" as a 32-bit field. 750 * Search linux-kernel and linux-usb-devel archives for "hid-core extract". 751 */ 752 753static __u32 extract(const struct hid_device *hid, __u8 *report, 754 unsigned offset, unsigned n) 755{ 756 u64 x; 757 758 if (n > 32) 759 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n", 760 n, current->comm); 761 762 report += offset >> 3; /* adjust byte index */ 763 offset &= 7; /* now only need bit offset into one byte */ 764 x = get_unaligned_le64(report); 765 x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */ 766 return (u32) x; 767} 768 769/* 770 * "implement" : set bits in a little endian bit stream. 771 * Same concepts as "extract" (see comments above). 772 * The data mangled in the bit stream remains in little endian 773 * order the whole time. It make more sense to talk about 774 * endianness of register values by considering a register 775 * a "cached" copy of the little endiad bit stream. 776 */ 777static void implement(const struct hid_device *hid, __u8 *report, 778 unsigned offset, unsigned n, __u32 value) 779{ 780 u64 x; 781 u64 m = (1ULL << n) - 1; 782 783 if (n > 32) 784 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n", 785 __func__, n, current->comm); 786 787 if (value > m) 788 hid_warn(hid, "%s() called with too large value %d! (%s)\n", 789 __func__, value, current->comm); 790 WARN_ON(value > m); 791 value &= m; 792 793 report += offset >> 3; 794 offset &= 7; 795 796 x = get_unaligned_le64(report); 797 x &= ~(m << offset); 798 x |= ((u64)value) << offset; 799 put_unaligned_le64(x, report); 800} 801 802/* 803 * Search an array for a value. 804 */ 805 806static int search(__s32 *array, __s32 value, unsigned n) 807{ 808 while (n--) { 809 if (*array++ == value) 810 return 0; 811 } 812 return -1; 813} 814 815/** 816 * hid_match_report - check if driver's raw_event should be called 817 * 818 * @hid: hid device 819 * @report_type: type to match against 820 * 821 * compare hid->driver->report_table->report_type to report->type 822 */ 823static int hid_match_report(struct hid_device *hid, struct hid_report *report) 824{ 825 const struct hid_report_id *id = hid->driver->report_table; 826 827 if (!id) /* NULL means all */ 828 return 1; 829 830 for (; id->report_type != HID_TERMINATOR; id++) 831 if (id->report_type == HID_ANY_ID || 832 id->report_type == report->type) 833 return 1; 834 return 0; 835} 836 837/** 838 * hid_match_usage - check if driver's event should be called 839 * 840 * @hid: hid device 841 * @usage: usage to match against 842 * 843 * compare hid->driver->usage_table->usage_{type,code} to 844 * usage->usage_{type,code} 845 */ 846static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage) 847{ 848 const struct hid_usage_id *id = hid->driver->usage_table; 849 850 if (!id) /* NULL means all */ 851 return 1; 852 853 for (; id->usage_type != HID_ANY_ID - 1; id++) 854 if ((id->usage_hid == HID_ANY_ID || 855 id->usage_hid == usage->hid) && 856 (id->usage_type == HID_ANY_ID || 857 id->usage_type == usage->type) && 858 (id->usage_code == HID_ANY_ID || 859 id->usage_code == usage->code)) 860 return 1; 861 return 0; 862} 863 864static void hid_process_event(struct hid_device *hid, struct hid_field *field, 865 struct hid_usage *usage, __s32 value, int interrupt) 866{ 867 struct hid_driver *hdrv = hid->driver; 868 int ret; 869 870 hid_dump_input(hid, usage, value); 871 872 if (hdrv && hdrv->event && hid_match_usage(hid, usage)) { 873 ret = hdrv->event(hid, field, usage, value); 874 if (ret != 0) { 875 if (ret < 0) 876 dbg_hid("%s's event failed with %d\n", 877 hdrv->name, ret); 878 return; 879 } 880 } 881 882 if (hid->claimed & HID_CLAIMED_INPUT) 883 hidinput_hid_event(hid, field, usage, value); 884 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event) 885 hid->hiddev_hid_event(hid, field, usage, value); 886} 887 888/* 889 * Analyse a received field, and fetch the data from it. The field 890 * content is stored for next report processing (we do differential 891 * reporting to the layer). 892 */ 893 894static void hid_input_field(struct hid_device *hid, struct hid_field *field, 895 __u8 *data, int interrupt) 896{ 897 unsigned n; 898 unsigned count = field->report_count; 899 unsigned offset = field->report_offset; 900 unsigned size = field->report_size; 901 __s32 min = field->logical_minimum; 902 __s32 max = field->logical_maximum; 903 __s32 *value; 904 905 value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC); 906 if (!value) 907 return; 908 909 for (n = 0; n < count; n++) { 910 911 value[n] = min < 0 ? 912 snto32(extract(hid, data, offset + n * size, size), 913 size) : 914 extract(hid, data, offset + n * size, size); 915 916 /* Ignore report if ErrorRollOver */ 917 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) && 918 value[n] >= min && value[n] <= max && 919 field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1) 920 goto exit; 921 } 922 923 for (n = 0; n < count; n++) { 924 925 if (HID_MAIN_ITEM_VARIABLE & field->flags) { 926 hid_process_event(hid, field, &field->usage[n], value[n], interrupt); 927 continue; 928 } 929 930 if (field->value[n] >= min && field->value[n] <= max 931 && field->usage[field->value[n] - min].hid 932 && search(value, field->value[n], count)) 933 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt); 934 935 if (value[n] >= min && value[n] <= max 936 && field->usage[value[n] - min].hid 937 && search(field->value, value[n], count)) 938 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt); 939 } 940 941 memcpy(field->value, value, count * sizeof(__s32)); 942exit: 943 kfree(value); 944} 945 946/* 947 * Output the field into the report. 948 */ 949 950static void hid_output_field(const struct hid_device *hid, 951 struct hid_field *field, __u8 *data) 952{ 953 unsigned count = field->report_count; 954 unsigned offset = field->report_offset; 955 unsigned size = field->report_size; 956 unsigned n; 957 958 for (n = 0; n < count; n++) { 959 if (field->logical_minimum < 0) /* signed values */ 960 implement(hid, data, offset + n * size, size, 961 s32ton(field->value[n], size)); 962 else /* unsigned values */ 963 implement(hid, data, offset + n * size, size, 964 field->value[n]); 965 } 966} 967 968/* 969 * Create a report. 970 */ 971 972void hid_output_report(struct hid_report *report, __u8 *data) 973{ 974 unsigned n; 975 976 if (report->id > 0) 977 *data++ = report->id; 978 979 memset(data, 0, ((report->size - 1) >> 3) + 1); 980 for (n = 0; n < report->maxfield; n++) 981 hid_output_field(report->device, report->field[n], data); 982} 983EXPORT_SYMBOL_GPL(hid_output_report); 984 985/* 986 * Set a field value. The report this field belongs to has to be 987 * created and transferred to the device, to set this value in the 988 * device. 989 */ 990 991int hid_set_field(struct hid_field *field, unsigned offset, __s32 value) 992{ 993 unsigned size = field->report_size; 994 995 hid_dump_input(field->report->device, field->usage + offset, value); 996 997 if (offset >= field->report_count) { 998 dbg_hid("offset (%d) exceeds report_count (%d)\n", offset, field->report_count); 999 return -1; 1000 } 1001 if (field->logical_minimum < 0) { 1002 if (value != snto32(s32ton(value, size), size)) { 1003 dbg_hid("value %d is out of range\n", value); 1004 return -1; 1005 } 1006 } 1007 field->value[offset] = value; 1008 return 0; 1009} 1010EXPORT_SYMBOL_GPL(hid_set_field); 1011 1012static struct hid_report *hid_get_report(struct hid_report_enum *report_enum, 1013 const u8 *data) 1014{ 1015 struct hid_report *report; 1016 unsigned int n = 0; /* Normally report number is 0 */ 1017 1018 /* Device uses numbered reports, data[0] is report number */ 1019 if (report_enum->numbered) 1020 n = *data; 1021 1022 report = report_enum->report_id_hash[n]; 1023 if (report == NULL) 1024 dbg_hid("undefined report_id %u received\n", n); 1025 1026 return report; 1027} 1028 1029void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, 1030 int interrupt) 1031{ 1032 struct hid_report_enum *report_enum = hid->report_enum + type; 1033 struct hid_report *report; 1034 unsigned int a; 1035 int rsize, csize = size; 1036 u8 *cdata = data; 1037 1038 report = hid_get_report(report_enum, data); 1039 if (!report) 1040 return; 1041 1042 if (report_enum->numbered) { 1043 cdata++; 1044 csize--; 1045 } 1046 1047 rsize = ((report->size - 1) >> 3) + 1; 1048 1049 if (rsize > HID_MAX_BUFFER_SIZE) 1050 rsize = HID_MAX_BUFFER_SIZE; 1051 1052 if (csize < rsize) { 1053 dbg_hid("report %d is too short, (%d < %d)\n", report->id, 1054 csize, rsize); 1055 memset(cdata + csize, 0, rsize - csize); 1056 } 1057 1058 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event) 1059 hid->hiddev_report_event(hid, report); 1060 if (hid->claimed & HID_CLAIMED_HIDRAW) 1061 hidraw_report_event(hid, data, size); 1062 1063 for (a = 0; a < report->maxfield; a++) 1064 hid_input_field(hid, report->field[a], cdata, interrupt); 1065 1066 if (hid->claimed & HID_CLAIMED_INPUT) 1067 hidinput_report_event(hid, report); 1068} 1069EXPORT_SYMBOL_GPL(hid_report_raw_event); 1070 1071/** 1072 * hid_input_report - report data from lower layer (usb, bt...) 1073 * 1074 * @hid: hid device 1075 * @type: HID report type (HID_*_REPORT) 1076 * @data: report contents 1077 * @size: size of data parameter 1078 * @interrupt: distinguish between interrupt and control transfers 1079 * 1080 * This is data entry for lower layers. 1081 */ 1082int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt) 1083{ 1084 struct hid_report_enum *report_enum; 1085 struct hid_driver *hdrv; 1086 struct hid_report *report; 1087 char *buf; 1088 unsigned int i; 1089 int ret = 0; 1090 1091 if (!hid) 1092 return -ENODEV; 1093 1094 if (down_trylock(&hid->driver_lock)) 1095 return -EBUSY; 1096 1097 if (!hid->driver) { 1098 ret = -ENODEV; 1099 goto unlock; 1100 } 1101 report_enum = hid->report_enum + type; 1102 hdrv = hid->driver; 1103 1104 if (!size) { 1105 dbg_hid("empty report\n"); 1106 ret = -1; 1107 goto unlock; 1108 } 1109 1110 buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC); 1111 1112 if (!buf) 1113 goto nomem; 1114 1115 /* dump the report */ 1116 snprintf(buf, HID_DEBUG_BUFSIZE - 1, 1117 "\nreport (size %u) (%snumbered) = ", size, report_enum->numbered ? "" : "un"); 1118 hid_debug_event(hid, buf); 1119 1120 for (i = 0; i < size; i++) { 1121 snprintf(buf, HID_DEBUG_BUFSIZE - 1, 1122 " %02x", data[i]); 1123 hid_debug_event(hid, buf); 1124 } 1125 hid_debug_event(hid, "\n"); 1126 kfree(buf); 1127 1128nomem: 1129 report = hid_get_report(report_enum, data); 1130 1131 if (!report) { 1132 ret = -1; 1133 goto unlock; 1134 } 1135 1136 if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) { 1137 ret = hdrv->raw_event(hid, report, data, size); 1138 if (ret != 0) { 1139 ret = ret < 0 ? ret : 0; 1140 goto unlock; 1141 } 1142 } 1143 1144 hid_report_raw_event(hid, type, data, size, interrupt); 1145 1146unlock: 1147 up(&hid->driver_lock); 1148 return ret; 1149} 1150EXPORT_SYMBOL_GPL(hid_input_report); 1151 1152static bool hid_match_one_id(struct hid_device *hdev, 1153 const struct hid_device_id *id) 1154{ 1155 return id->bus == hdev->bus && 1156 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) && 1157 (id->product == HID_ANY_ID || id->product == hdev->product); 1158} 1159 1160static const struct hid_device_id *hid_match_id(struct hid_device *hdev, 1161 const struct hid_device_id *id) 1162{ 1163 for (; id->bus; id++) 1164 if (hid_match_one_id(hdev, id)) 1165 return id; 1166 1167 return NULL; 1168} 1169 1170static const struct hid_device_id hid_hiddev_list[] = { 1171 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) }, 1172 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) }, 1173 { } 1174}; 1175 1176static bool hid_hiddev(struct hid_device *hdev) 1177{ 1178 return !!hid_match_id(hdev, hid_hiddev_list); 1179} 1180 1181 1182static ssize_t 1183read_report_descriptor(struct file *filp, struct kobject *kobj, 1184 struct bin_attribute *attr, 1185 char *buf, loff_t off, size_t count) 1186{ 1187 struct device *dev = container_of(kobj, struct device, kobj); 1188 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1189 1190 if (off >= hdev->rsize) 1191 return 0; 1192 1193 if (off + count > hdev->rsize) 1194 count = hdev->rsize - off; 1195 1196 memcpy(buf, hdev->rdesc + off, count); 1197 1198 return count; 1199} 1200 1201static struct bin_attribute dev_bin_attr_report_desc = { 1202 .attr = { .name = "report_descriptor", .mode = 0444 }, 1203 .read = read_report_descriptor, 1204 .size = HID_MAX_DESCRIPTOR_SIZE, 1205}; 1206 1207int hid_connect(struct hid_device *hdev, unsigned int connect_mask) 1208{ 1209 static const char *types[] = { "Device", "Pointer", "Mouse", "Device", 1210 "Joystick", "Gamepad", "Keyboard", "Keypad", 1211 "Multi-Axis Controller" 1212 }; 1213 const char *type, *bus; 1214 char buf[64]; 1215 unsigned int i; 1216 int len; 1217 int ret; 1218 1219 if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE) 1220 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV); 1221 if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE) 1222 connect_mask |= HID_CONNECT_HIDINPUT_FORCE; 1223 if (hdev->bus != BUS_USB) 1224 connect_mask &= ~HID_CONNECT_HIDDEV; 1225 if (hid_hiddev(hdev)) 1226 connect_mask |= HID_CONNECT_HIDDEV_FORCE; 1227 1228 if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev, 1229 connect_mask & HID_CONNECT_HIDINPUT_FORCE)) 1230 hdev->claimed |= HID_CLAIMED_INPUT; 1231 if (hdev->quirks & HID_QUIRK_MULTITOUCH) { 1232 /* this device should be handled by hid-multitouch, skip it */ 1233 hdev->quirks &= ~HID_QUIRK_MULTITOUCH; 1234 return -ENODEV; 1235 } 1236 1237 if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect && 1238 !hdev->hiddev_connect(hdev, 1239 connect_mask & HID_CONNECT_HIDDEV_FORCE)) 1240 hdev->claimed |= HID_CLAIMED_HIDDEV; 1241 if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev)) 1242 hdev->claimed |= HID_CLAIMED_HIDRAW; 1243 1244 if (!hdev->claimed) { 1245 hid_err(hdev, "claimed by neither input, hiddev nor hidraw\n"); 1246 return -ENODEV; 1247 } 1248 1249 if ((hdev->claimed & HID_CLAIMED_INPUT) && 1250 (connect_mask & HID_CONNECT_FF) && hdev->ff_init) 1251 hdev->ff_init(hdev); 1252 1253 len = 0; 1254 if (hdev->claimed & HID_CLAIMED_INPUT) 1255 len += sprintf(buf + len, "input"); 1256 if (hdev->claimed & HID_CLAIMED_HIDDEV) 1257 len += sprintf(buf + len, "%shiddev%d", len ? "," : "", 1258 hdev->minor); 1259 if (hdev->claimed & HID_CLAIMED_HIDRAW) 1260 len += sprintf(buf + len, "%shidraw%d", len ? "," : "", 1261 ((struct hidraw *)hdev->hidraw)->minor); 1262 1263 type = "Device"; 1264 for (i = 0; i < hdev->maxcollection; i++) { 1265 struct hid_collection *col = &hdev->collection[i]; 1266 if (col->type == HID_COLLECTION_APPLICATION && 1267 (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK && 1268 (col->usage & 0xffff) < ARRAY_SIZE(types)) { 1269 type = types[col->usage & 0xffff]; 1270 break; 1271 } 1272 } 1273 1274 switch (hdev->bus) { 1275 case BUS_USB: 1276 bus = "USB"; 1277 break; 1278 case BUS_BLUETOOTH: 1279 bus = "BLUETOOTH"; 1280 break; 1281 default: 1282 bus = "<UNKNOWN>"; 1283 } 1284 1285 ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc); 1286 if (ret) 1287 hid_warn(hdev, 1288 "can't create sysfs report descriptor attribute err: %d\n", ret); 1289 1290 hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n", 1291 buf, bus, hdev->version >> 8, hdev->version & 0xff, 1292 type, hdev->name, hdev->phys); 1293 1294 return 0; 1295} 1296EXPORT_SYMBOL_GPL(hid_connect); 1297 1298void hid_disconnect(struct hid_device *hdev) 1299{ 1300 device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc); 1301 if (hdev->claimed & HID_CLAIMED_INPUT) 1302 hidinput_disconnect(hdev); 1303 if (hdev->claimed & HID_CLAIMED_HIDDEV) 1304 hdev->hiddev_disconnect(hdev); 1305 if (hdev->claimed & HID_CLAIMED_HIDRAW) 1306 hidraw_disconnect(hdev); 1307} 1308EXPORT_SYMBOL_GPL(hid_disconnect); 1309 1310/* a list of devices for which there is a specialized driver on HID bus */ 1311static const struct hid_device_id hid_have_special_driver[] = { 1312 { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M1968) }, 1313 { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M2256) }, 1314 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) }, 1315 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) }, 1316 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) }, 1317 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) }, 1318 { HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR, USB_DEVICE_ID_ACTIONSTAR_1011) }, 1319 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) }, 1320 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) }, 1321 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) }, 1322 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) }, 1323 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) }, 1324 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, 1325 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, 1326 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, 1327 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, 1328 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, 1329 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, 1330 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, 1331 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, 1332 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, 1333 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, 1334 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, 1335 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) }, 1336 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) }, 1337 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) }, 1338 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) }, 1339 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) }, 1340 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) }, 1341 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, 1342 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, 1343 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, 1344 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) }, 1345 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) }, 1346 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) }, 1347 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, 1348 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, 1349 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, 1350 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, 1351 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, 1352 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, 1353 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, 1354 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, 1355 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, 1356 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) }, 1357 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) }, 1358 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) }, 1359 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) }, 1360 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) }, 1361 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) }, 1362 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) }, 1363 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) }, 1364 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) }, 1365 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) }, 1366 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) }, 1367 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) }, 1368 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) }, 1369 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) }, 1370 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) }, 1371 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) }, 1372 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) }, 1373 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) }, 1374 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) }, 1375 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) }, 1376 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) }, 1377 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) }, 1378 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) }, 1379 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) }, 1380 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) }, 1381 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, 1382 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, 1383 { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_T91MT) }, 1384 { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, 1385 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) }, 1386 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) }, 1387 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) }, 1388 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, 1389 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, 1390 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) }, 1391 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) }, 1392 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, 1393 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, 1394 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) }, 1395 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, 1396 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) }, 1397 { HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, 1398 { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) }, 1399 { HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, USB_DEVICE_ID_CVTOUCH_SCREEN) }, 1400 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, 1401 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, 1402 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) }, 1403 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, 1404 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_TRUETOUCH) }, 1405 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) }, 1406 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) }, 1407 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH) }, 1408 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH1) }, 1409 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH2) }, 1410 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH3) }, 1411 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH4) }, 1412 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) }, 1413 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2515) }, 1414 { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) }, 1415 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, 1416 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) }, 1417 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) }, 1418 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, 1419 { HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, USB_DEVICE_ID_GOODTOUCH_000f) }, 1420 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) }, 1421 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) }, 1422 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, 1423 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, 1424 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) }, 1425 { HID_USB_DEVICE(USB_VENDOR_ID_HANVON, USB_DEVICE_ID_HANVON_MULTITOUCH) }, 1426 { HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM, USB_DEVICE_ID_IDEACOM_IDC6650) }, 1427 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) }, 1428 { HID_USB_DEVICE(USB_VENDOR_ID_ILITEK, USB_DEVICE_ID_ILITEK_MULTITOUCH) }, 1429 { HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, USB_DEVICE_ID_IRTOUCH_INFRARED_USB) }, 1430 { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) }, 1431 { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) }, 1432 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) }, 1433 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, 1434 { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) }, 1435 { HID_USB_DEVICE(USB_VENDOR_ID_LG, USB_DEVICE_ID_LG_MULTITOUCH) }, 1436 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, 1437 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, 1438 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) }, 1439 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) }, 1440 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) }, 1441 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) }, 1442 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) }, 1443 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) }, 1444 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) }, 1445 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) }, 1446 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) }, 1447 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) }, 1448 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) }, 1449 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) }, 1450 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) }, 1451 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) }, 1452 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) }, 1453 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) }, 1454 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) }, 1455 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) }, 1456 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) }, 1457 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) }, 1458 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) }, 1459 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) }, 1460 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) }, 1461 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) }, 1462 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) }, 1463 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) }, 1464 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) }, 1465 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) }, 1466 { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH) }, 1467 { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH_DUAL) }, 1468 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) }, 1469 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) }, 1470 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) }, 1471 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) }, 1472 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) }, 1473 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) }, 1474 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, 1475 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) }, 1476 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, 1477 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, 1478 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) }, 1479 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) }, 1480 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) }, 1481 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) }, 1482 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) }, 1483 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) }, 1484 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) }, 1485 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) }, 1486 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) }, 1487 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) }, 1488 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) }, 1489 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) }, 1490 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) }, 1491 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) }, 1492 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) }, 1493 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) }, 1494 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) }, 1495 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) }, 1496 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) }, 1497 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, 1498 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, 1499 { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_PCI) }, 1500 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, 1501 { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) }, 1502 { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) }, 1503 { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) }, 1504 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) }, 1505 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) }, 1506 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) }, 1507 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) }, 1508 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, 1509 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) }, 1510 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, 1511 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) }, 1512 { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, 1513 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, 1514 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) }, 1515 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, 1516 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) }, 1517 { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM, USB_DEVICE_ID_MTP) }, 1518 { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, USB_DEVICE_ID_MTP_STM) }, 1519 { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, USB_DEVICE_ID_MTP_SITRONIX) }, 1520 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, 1521 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) }, 1522 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) }, 1523 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) }, 1524 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) }, 1525 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) }, 1526 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) }, 1527 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) }, 1528 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) }, 1529 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) }, 1530 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) }, 1531 { HID_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, 1532 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) }, 1533 { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, 1534 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) }, 1535 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) }, 1536 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) }, 1537 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) }, 1538 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) }, 1539 { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, 1540 { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, 1541 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, 1542 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) }, 1543 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) }, 1544 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) }, 1545 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) }, 1546 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) }, 1547 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) }, 1548 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) }, 1549 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) }, 1550 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) }, 1551 { HID_USB_DEVICE(USB_VENDOR_ID_XAT, USB_DEVICE_ID_XAT_CSR) }, 1552 { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) }, 1553 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) }, 1554 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) }, 1555 { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) }, 1556 1557 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) }, 1558 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) }, 1559 { } 1560}; 1561 1562struct hid_dynid { 1563 struct list_head list; 1564 struct hid_device_id id; 1565}; 1566 1567/** 1568 * store_new_id - add a new HID device ID to this driver and re-probe devices 1569 * @driver: target device driver 1570 * @buf: buffer for scanning device ID data 1571 * @count: input size 1572 * 1573 * Adds a new dynamic hid device ID to this driver, 1574 * and causes the driver to probe for all devices again. 1575 */ 1576static ssize_t store_new_id(struct device_driver *drv, const char *buf, 1577 size_t count) 1578{ 1579 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); 1580 struct hid_dynid *dynid; 1581 __u32 bus, vendor, product; 1582 unsigned long driver_data = 0; 1583 int ret; 1584 1585 ret = sscanf(buf, "%x %x %x %lx", 1586 &bus, &vendor, &product, &driver_data); 1587 if (ret < 3) 1588 return -EINVAL; 1589 1590 dynid = kzalloc(sizeof(*dynid), GFP_KERNEL); 1591 if (!dynid) 1592 return -ENOMEM; 1593 1594 dynid->id.bus = bus; 1595 dynid->id.vendor = vendor; 1596 dynid->id.product = product; 1597 dynid->id.driver_data = driver_data; 1598 1599 spin_lock(&hdrv->dyn_lock); 1600 list_add_tail(&dynid->list, &hdrv->dyn_list); 1601 spin_unlock(&hdrv->dyn_lock); 1602 1603 ret = 0; 1604 if (get_driver(&hdrv->driver)) { 1605 ret = driver_attach(&hdrv->driver); 1606 put_driver(&hdrv->driver); 1607 } 1608 1609 return ret ? : count; 1610} 1611static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id); 1612 1613static void hid_free_dynids(struct hid_driver *hdrv) 1614{ 1615 struct hid_dynid *dynid, *n; 1616 1617 spin_lock(&hdrv->dyn_lock); 1618 list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) { 1619 list_del(&dynid->list); 1620 kfree(dynid); 1621 } 1622 spin_unlock(&hdrv->dyn_lock); 1623} 1624 1625static const struct hid_device_id *hid_match_device(struct hid_device *hdev, 1626 struct hid_driver *hdrv) 1627{ 1628 struct hid_dynid *dynid; 1629 1630 spin_lock(&hdrv->dyn_lock); 1631 list_for_each_entry(dynid, &hdrv->dyn_list, list) { 1632 if (hid_match_one_id(hdev, &dynid->id)) { 1633 spin_unlock(&hdrv->dyn_lock); 1634 return &dynid->id; 1635 } 1636 } 1637 spin_unlock(&hdrv->dyn_lock); 1638 1639 return hid_match_id(hdev, hdrv->id_table); 1640} 1641 1642static int hid_bus_match(struct device *dev, struct device_driver *drv) 1643{ 1644 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); 1645 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1646 1647 if (!hid_match_device(hdev, hdrv)) 1648 return 0; 1649 1650 /* generic wants all that don't have specialized driver */ 1651 if (!strncmp(hdrv->name, "generic-", 8)) 1652 return !hid_match_id(hdev, hid_have_special_driver); 1653 1654 return 1; 1655} 1656 1657static int hid_device_probe(struct device *dev) 1658{ 1659 struct hid_driver *hdrv = container_of(dev->driver, 1660 struct hid_driver, driver); 1661 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1662 const struct hid_device_id *id; 1663 int ret = 0; 1664 1665 if (down_interruptible(&hdev->driver_lock)) 1666 return -EINTR; 1667 1668 if (!hdev->driver) { 1669 id = hid_match_device(hdev, hdrv); 1670 if (id == NULL) { 1671 ret = -ENODEV; 1672 goto unlock; 1673 } 1674 1675 hdev->driver = hdrv; 1676 if (hdrv->probe) { 1677 ret = hdrv->probe(hdev, id); 1678 } else { /* default probe */ 1679 ret = hid_parse(hdev); 1680 if (!ret) 1681 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 1682 } 1683 if (ret) 1684 hdev->driver = NULL; 1685 } 1686unlock: 1687 up(&hdev->driver_lock); 1688 return ret; 1689} 1690 1691static int hid_device_remove(struct device *dev) 1692{ 1693 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1694 struct hid_driver *hdrv; 1695 1696 if (down_interruptible(&hdev->driver_lock)) 1697 return -EINTR; 1698 1699 hdrv = hdev->driver; 1700 if (hdrv) { 1701 if (hdrv->remove) 1702 hdrv->remove(hdev); 1703 else /* default remove */ 1704 hid_hw_stop(hdev); 1705 hdev->driver = NULL; 1706 } 1707 1708 up(&hdev->driver_lock); 1709 return 0; 1710} 1711 1712static int hid_uevent(struct device *dev, struct kobj_uevent_env *env) 1713{ 1714 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1715 1716 if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X", 1717 hdev->bus, hdev->vendor, hdev->product)) 1718 return -ENOMEM; 1719 1720 if (add_uevent_var(env, "HID_NAME=%s", hdev->name)) 1721 return -ENOMEM; 1722 1723 if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys)) 1724 return -ENOMEM; 1725 1726 if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq)) 1727 return -ENOMEM; 1728 1729 if (add_uevent_var(env, "MODALIAS=hid:b%04Xv%08Xp%08X", 1730 hdev->bus, hdev->vendor, hdev->product)) 1731 return -ENOMEM; 1732 1733 return 0; 1734} 1735 1736static struct bus_type hid_bus_type = { 1737 .name = "hid", 1738 .match = hid_bus_match, 1739 .probe = hid_device_probe, 1740 .remove = hid_device_remove, 1741 .uevent = hid_uevent, 1742}; 1743 1744/* a list of devices that shouldn't be handled by HID core at all */ 1745static const struct hid_device_id hid_ignore_list[] = { 1746 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) }, 1747 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) }, 1748 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) }, 1749 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) }, 1750 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) }, 1751 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) }, 1752 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) }, 1753 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) }, 1754 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) }, 1755 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) }, 1756 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) }, 1757 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) }, 1758 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)}, 1759 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)}, 1760 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) }, 1761 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) }, 1762 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) }, 1763 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) }, 1764 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) }, 1765 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) }, 1766 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) }, 1767 { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) }, 1768 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) }, 1769 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) }, 1770 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) }, 1771 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) }, 1772 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) }, 1773 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) }, 1774 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) }, 1775 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) }, 1776 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) }, 1777 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) }, 1778 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) }, 1779 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) }, 1780 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) }, 1781 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) }, 1782 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) }, 1783 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) }, 1784 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) }, 1785 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) }, 1786 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) }, 1787 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) }, 1788 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) }, 1789 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) }, 1790 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) }, 1791 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) }, 1792 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) }, 1793 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) }, 1794 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) }, 1795 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) }, 1796 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) }, 1797 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) }, 1798 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) }, 1799 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) }, 1800 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) }, 1801 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) }, 1802 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) }, 1803 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) }, 1804 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) }, 1805 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) }, 1806 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) }, 1807 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) }, 1808 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) }, 1809 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) }, 1810 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) }, 1811 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) }, 1812 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) }, 1813 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) }, 1814 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) }, 1815 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) }, 1816 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) }, 1817 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) }, 1818 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) }, 1819 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) }, 1820 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) }, 1821 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) }, 1822 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) }, 1823 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) }, 1824 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) }, 1825 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) }, 1826 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) }, 1827 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) }, 1828 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) }, 1829 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) }, 1830 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) }, 1831 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) }, 1832 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) }, 1833 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) }, 1834 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) }, 1835 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) }, 1836 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) }, 1837 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) }, 1838 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) }, 1839 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) }, 1840 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) }, 1841 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) }, 1842 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) }, 1843 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) }, 1844 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) }, 1845 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) }, 1846 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) }, 1847 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) }, 1848 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) }, 1849 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) }, 1850 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) }, 1851 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) }, 1852 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) }, 1853 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) }, 1854 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) }, 1855 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) }, 1856 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) }, 1857 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) }, 1858 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) }, 1859 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) }, 1860 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) }, 1861 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) }, 1862 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) }, 1863 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) }, 1864 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) }, 1865 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) }, 1866 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) }, 1867 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) }, 1868 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) }, 1869 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) }, 1870 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) }, 1871 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) }, 1872 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) }, 1873 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) }, 1874 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) }, 1875 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) }, 1876 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) }, 1877 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) }, 1878 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) }, 1879 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) }, 1880 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) }, 1881 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) }, 1882 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) }, 1883 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) }, 1884 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) }, 1885 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) }, 1886 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) }, 1887 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) }, 1888 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) }, 1889 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) }, 1890 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) }, 1891 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) }, 1892 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) }, 1893 { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) }, 1894 { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) }, 1895 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) }, 1896 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) }, 1897 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) }, 1898 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) }, 1899 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) }, 1900 { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) }, 1901 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) }, 1902 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) }, 1903 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) }, 1904 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) }, 1905 { } 1906}; 1907 1908/** 1909 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer 1910 * 1911 * There are composite devices for which we want to ignore only a certain 1912 * interface. This is a list of devices for which only the mouse interface will 1913 * be ignored. This allows a dedicated driver to take care of the interface. 1914 */ 1915static const struct hid_device_id hid_mouse_ignore_list[] = { 1916 /* appletouch driver */ 1917 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, 1918 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, 1919 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, 1920 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, 1921 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, 1922 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, 1923 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, 1924 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, 1925 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, 1926 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, 1927 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, 1928 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, 1929 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, 1930 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, 1931 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, 1932 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, 1933 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, 1934 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, 1935 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, 1936 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, 1937 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, 1938 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, 1939 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, 1940 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) }, 1941 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) }, 1942 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) }, 1943 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) }, 1944 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) }, 1945 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) }, 1946 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) }, 1947 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) }, 1948 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) }, 1949 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) }, 1950 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) }, 1951 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) }, 1952 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) }, 1953 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) }, 1954 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) }, 1955 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) }, 1956 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) }, 1957 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) }, 1958 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, 1959 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, 1960 { } 1961}; 1962 1963static bool hid_ignore(struct hid_device *hdev) 1964{ 1965 switch (hdev->vendor) { 1966 case USB_VENDOR_ID_CODEMERCS: 1967 /* ignore all Code Mercenaries IOWarrior devices */ 1968 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST && 1969 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST) 1970 return true; 1971 break; 1972 case USB_VENDOR_ID_LOGITECH: 1973 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST && 1974 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST) 1975 return true; 1976 break; 1977 case USB_VENDOR_ID_SOUNDGRAPH: 1978 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST && 1979 hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST) 1980 return true; 1981 break; 1982 case USB_VENDOR_ID_HANWANG: 1983 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST && 1984 hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST) 1985 return true; 1986 break; 1987 case USB_VENDOR_ID_JESS: 1988 if (hdev->product == USB_DEVICE_ID_JESS_YUREX && 1989 hdev->type == HID_TYPE_USBNONE) 1990 return true; 1991 break; 1992 } 1993 1994 if (hdev->type == HID_TYPE_USBMOUSE && 1995 hid_match_id(hdev, hid_mouse_ignore_list)) 1996 return true; 1997 1998 return !!hid_match_id(hdev, hid_ignore_list); 1999} 2000 2001int hid_add_device(struct hid_device *hdev) 2002{ 2003 static atomic_t id = ATOMIC_INIT(0); 2004 int ret; 2005 2006 if (WARN_ON(hdev->status & HID_STAT_ADDED)) 2007 return -EBUSY; 2008 2009 /* we need to kill them here, otherwise they will stay allocated to 2010 * wait for coming driver */ 2011 if (!(hdev->quirks & HID_QUIRK_NO_IGNORE) 2012 && (hid_ignore(hdev) || (hdev->quirks & HID_QUIRK_IGNORE))) 2013 return -ENODEV; 2014 2015 /* XXX hack, any other cleaner solution after the driver core 2016 * is converted to allow more than 20 bytes as the device name? */ 2017 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus, 2018 hdev->vendor, hdev->product, atomic_inc_return(&id)); 2019 2020 hid_debug_register(hdev, dev_name(&hdev->dev)); 2021 ret = device_add(&hdev->dev); 2022 if (!ret) 2023 hdev->status |= HID_STAT_ADDED; 2024 else 2025 hid_debug_unregister(hdev); 2026 2027 return ret; 2028} 2029EXPORT_SYMBOL_GPL(hid_add_device); 2030 2031/** 2032 * hid_allocate_device - allocate new hid device descriptor 2033 * 2034 * Allocate and initialize hid device, so that hid_destroy_device might be 2035 * used to free it. 2036 * 2037 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded 2038 * error value. 2039 */ 2040struct hid_device *hid_allocate_device(void) 2041{ 2042 struct hid_device *hdev; 2043 unsigned int i; 2044 int ret = -ENOMEM; 2045 2046 hdev = kzalloc(sizeof(*hdev), GFP_KERNEL); 2047 if (hdev == NULL) 2048 return ERR_PTR(ret); 2049 2050 device_initialize(&hdev->dev); 2051 hdev->dev.release = hid_device_release; 2052 hdev->dev.bus = &hid_bus_type; 2053 2054 hdev->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS, 2055 sizeof(struct hid_collection), GFP_KERNEL); 2056 if (hdev->collection == NULL) 2057 goto err; 2058 hdev->collection_size = HID_DEFAULT_NUM_COLLECTIONS; 2059 2060 for (i = 0; i < HID_REPORT_TYPES; i++) 2061 INIT_LIST_HEAD(&hdev->report_enum[i].report_list); 2062 2063 init_waitqueue_head(&hdev->debug_wait); 2064 INIT_LIST_HEAD(&hdev->debug_list); 2065 sema_init(&hdev->driver_lock, 1); 2066 2067 return hdev; 2068err: 2069 put_device(&hdev->dev); 2070 return ERR_PTR(ret); 2071} 2072EXPORT_SYMBOL_GPL(hid_allocate_device); 2073 2074static void hid_remove_device(struct hid_device *hdev) 2075{ 2076 if (hdev->status & HID_STAT_ADDED) { 2077 device_del(&hdev->dev); 2078 hid_debug_unregister(hdev); 2079 hdev->status &= ~HID_STAT_ADDED; 2080 } 2081} 2082 2083/** 2084 * hid_destroy_device - free previously allocated device 2085 * 2086 * @hdev: hid device 2087 * 2088 * If you allocate hid_device through hid_allocate_device, you should ever 2089 * free by this function. 2090 */ 2091void hid_destroy_device(struct hid_device *hdev) 2092{ 2093 hid_remove_device(hdev); 2094 put_device(&hdev->dev); 2095} 2096EXPORT_SYMBOL_GPL(hid_destroy_device); 2097 2098int __hid_register_driver(struct hid_driver *hdrv, struct module *owner, 2099 const char *mod_name) 2100{ 2101 int ret; 2102 2103 hdrv->driver.name = hdrv->name; 2104 hdrv->driver.bus = &hid_bus_type; 2105 hdrv->driver.owner = owner; 2106 hdrv->driver.mod_name = mod_name; 2107 2108 INIT_LIST_HEAD(&hdrv->dyn_list); 2109 spin_lock_init(&hdrv->dyn_lock); 2110 2111 ret = driver_register(&hdrv->driver); 2112 if (ret) 2113 return ret; 2114 2115 ret = driver_create_file(&hdrv->driver, &driver_attr_new_id); 2116 if (ret) 2117 driver_unregister(&hdrv->driver); 2118 2119 return ret; 2120} 2121EXPORT_SYMBOL_GPL(__hid_register_driver); 2122 2123void hid_unregister_driver(struct hid_driver *hdrv) 2124{ 2125 driver_remove_file(&hdrv->driver, &driver_attr_new_id); 2126 driver_unregister(&hdrv->driver); 2127 hid_free_dynids(hdrv); 2128} 2129EXPORT_SYMBOL_GPL(hid_unregister_driver); 2130 2131int hid_check_keys_pressed(struct hid_device *hid) 2132{ 2133 struct hid_input *hidinput; 2134 int i; 2135 2136 if (!(hid->claimed & HID_CLAIMED_INPUT)) 2137 return 0; 2138 2139 list_for_each_entry(hidinput, &hid->inputs, list) { 2140 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++) 2141 if (hidinput->input->key[i]) 2142 return 1; 2143 } 2144 2145 return 0; 2146} 2147 2148EXPORT_SYMBOL_GPL(hid_check_keys_pressed); 2149 2150static int __init hid_init(void) 2151{ 2152 int ret; 2153 2154 if (hid_debug) 2155 pr_warn("hid_debug is now used solely for parser and driver debugging.\n" 2156 "debugfs is now used for inspecting the device (report descriptor, reports)\n"); 2157 2158 ret = bus_register(&hid_bus_type); 2159 if (ret) { 2160 pr_err("can't register hid bus\n"); 2161 goto err; 2162 } 2163 2164 ret = hidraw_init(); 2165 if (ret) 2166 goto err_bus; 2167 2168 hid_debug_init(); 2169 2170 return 0; 2171err_bus: 2172 bus_unregister(&hid_bus_type); 2173err: 2174 return ret; 2175} 2176 2177static void __exit hid_exit(void) 2178{ 2179 hid_debug_exit(); 2180 hidraw_exit(); 2181 bus_unregister(&hid_bus_type); 2182} 2183 2184module_init(hid_init); 2185module_exit(hid_exit); 2186 2187MODULE_AUTHOR("Andreas Gal"); 2188MODULE_AUTHOR("Vojtech Pavlik"); 2189MODULE_AUTHOR("Jiri Kosina"); 2190MODULE_LICENSE(DRIVER_LICENSE); 2191 2192