hid-core.c revision bd4a7ce1da061d97c45673e1ca1a6a474bfb4cff
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 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 53static int hid_ignore_special_drivers = 0; 54module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600); 55MODULE_PARM_DESC(debug, "Ignore any special drivers and handle all devices by generic driver"); 56 57/* 58 * Register a new report for a device. 59 */ 60 61struct 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} 88EXPORT_SYMBOL_GPL(hid_register_report); 89 90/* 91 * Register a new field for this report. 92 */ 93 94static 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 122static 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 171static 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 186static 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 203static 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 221static 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 296static 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 306static 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 320static 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 426static int hid_parser_local(struct hid_parser *parser, struct hid_item *item) 427{ 428 __u32 data; 429 unsigned n; 430 431 data = item_udata(item); 432 433 switch (item->tag) { 434 case HID_LOCAL_ITEM_TAG_DELIMITER: 435 436 if (data) { 437 /* 438 * We treat items before the first delimiter 439 * as global to all usage sets (branch 0). 440 * In the moment we process only these global 441 * items and the first delimiter set. 442 */ 443 if (parser->local.delimiter_depth != 0) { 444 hid_err(parser->device, "nested delimiters\n"); 445 return -1; 446 } 447 parser->local.delimiter_depth++; 448 parser->local.delimiter_branch++; 449 } else { 450 if (parser->local.delimiter_depth < 1) { 451 hid_err(parser->device, "bogus close delimiter\n"); 452 return -1; 453 } 454 parser->local.delimiter_depth--; 455 } 456 return 0; 457 458 case HID_LOCAL_ITEM_TAG_USAGE: 459 460 if (parser->local.delimiter_branch > 1) { 461 dbg_hid("alternative usage ignored\n"); 462 return 0; 463 } 464 465 if (item->size <= 2) 466 data = (parser->global.usage_page << 16) + data; 467 468 return hid_add_usage(parser, data); 469 470 case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM: 471 472 if (parser->local.delimiter_branch > 1) { 473 dbg_hid("alternative usage ignored\n"); 474 return 0; 475 } 476 477 if (item->size <= 2) 478 data = (parser->global.usage_page << 16) + data; 479 480 parser->local.usage_minimum = data; 481 return 0; 482 483 case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM: 484 485 if (parser->local.delimiter_branch > 1) { 486 dbg_hid("alternative usage ignored\n"); 487 return 0; 488 } 489 490 if (item->size <= 2) 491 data = (parser->global.usage_page << 16) + data; 492 493 for (n = parser->local.usage_minimum; n <= data; n++) 494 if (hid_add_usage(parser, n)) { 495 dbg_hid("hid_add_usage failed\n"); 496 return -1; 497 } 498 return 0; 499 500 default: 501 502 dbg_hid("unknown local item tag 0x%x\n", item->tag); 503 return 0; 504 } 505 return 0; 506} 507 508/* 509 * Process a main item. 510 */ 511 512static int hid_parser_main(struct hid_parser *parser, struct hid_item *item) 513{ 514 __u32 data; 515 int ret; 516 517 data = item_udata(item); 518 519 switch (item->tag) { 520 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION: 521 ret = open_collection(parser, data & 0xff); 522 break; 523 case HID_MAIN_ITEM_TAG_END_COLLECTION: 524 ret = close_collection(parser); 525 break; 526 case HID_MAIN_ITEM_TAG_INPUT: 527 ret = hid_add_field(parser, HID_INPUT_REPORT, data); 528 break; 529 case HID_MAIN_ITEM_TAG_OUTPUT: 530 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data); 531 break; 532 case HID_MAIN_ITEM_TAG_FEATURE: 533 ret = hid_add_field(parser, HID_FEATURE_REPORT, data); 534 break; 535 default: 536 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag); 537 ret = 0; 538 } 539 540 memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */ 541 542 return ret; 543} 544 545/* 546 * Process a reserved item. 547 */ 548 549static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item) 550{ 551 dbg_hid("reserved item type, tag 0x%x\n", item->tag); 552 return 0; 553} 554 555/* 556 * Free a report and all registered fields. The field->usage and 557 * field->value table's are allocated behind the field, so we need 558 * only to free(field) itself. 559 */ 560 561static void hid_free_report(struct hid_report *report) 562{ 563 unsigned n; 564 565 for (n = 0; n < report->maxfield; n++) 566 kfree(report->field[n]); 567 kfree(report); 568} 569 570/* 571 * Close report. This function returns the device 572 * state to the point prior to hid_open_report(). 573 */ 574static void hid_close_report(struct hid_device *device) 575{ 576 unsigned i, j; 577 578 for (i = 0; i < HID_REPORT_TYPES; i++) { 579 struct hid_report_enum *report_enum = device->report_enum + i; 580 581 for (j = 0; j < HID_MAX_IDS; j++) { 582 struct hid_report *report = report_enum->report_id_hash[j]; 583 if (report) 584 hid_free_report(report); 585 } 586 memset(report_enum, 0, sizeof(*report_enum)); 587 INIT_LIST_HEAD(&report_enum->report_list); 588 } 589 590 kfree(device->rdesc); 591 device->rdesc = NULL; 592 device->rsize = 0; 593 594 kfree(device->collection); 595 device->collection = NULL; 596 device->collection_size = 0; 597 device->maxcollection = 0; 598 device->maxapplication = 0; 599 600 device->status &= ~HID_STAT_PARSED; 601} 602 603/* 604 * Free a device structure, all reports, and all fields. 605 */ 606 607static void hid_device_release(struct device *dev) 608{ 609 struct hid_device *hid = container_of(dev, struct hid_device, dev); 610 611 hid_close_report(hid); 612 kfree(hid->dev_rdesc); 613 kfree(hid); 614} 615 616/* 617 * Fetch a report description item from the data stream. We support long 618 * items, though they are not used yet. 619 */ 620 621static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item) 622{ 623 u8 b; 624 625 if ((end - start) <= 0) 626 return NULL; 627 628 b = *start++; 629 630 item->type = (b >> 2) & 3; 631 item->tag = (b >> 4) & 15; 632 633 if (item->tag == HID_ITEM_TAG_LONG) { 634 635 item->format = HID_ITEM_FORMAT_LONG; 636 637 if ((end - start) < 2) 638 return NULL; 639 640 item->size = *start++; 641 item->tag = *start++; 642 643 if ((end - start) < item->size) 644 return NULL; 645 646 item->data.longdata = start; 647 start += item->size; 648 return start; 649 } 650 651 item->format = HID_ITEM_FORMAT_SHORT; 652 item->size = b & 3; 653 654 switch (item->size) { 655 case 0: 656 return start; 657 658 case 1: 659 if ((end - start) < 1) 660 return NULL; 661 item->data.u8 = *start++; 662 return start; 663 664 case 2: 665 if ((end - start) < 2) 666 return NULL; 667 item->data.u16 = get_unaligned_le16(start); 668 start = (__u8 *)((__le16 *)start + 1); 669 return start; 670 671 case 3: 672 item->size++; 673 if ((end - start) < 4) 674 return NULL; 675 item->data.u32 = get_unaligned_le32(start); 676 start = (__u8 *)((__le32 *)start + 1); 677 return start; 678 } 679 680 return NULL; 681} 682 683static void hid_scan_input_usage(struct hid_parser *parser, u32 usage) 684{ 685 struct hid_device *hid = parser->device; 686 687 if (usage == HID_DG_CONTACTID) 688 hid->group = HID_GROUP_MULTITOUCH; 689} 690 691static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage) 692{ 693 if (usage == 0xff0000c5 && parser->global.report_count == 256 && 694 parser->global.report_size == 8) 695 parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8; 696} 697 698static void hid_scan_collection(struct hid_parser *parser, unsigned type) 699{ 700 struct hid_device *hid = parser->device; 701 702 if (((parser->global.usage_page << 16) == HID_UP_SENSOR) && 703 type == HID_COLLECTION_PHYSICAL) 704 hid->group = HID_GROUP_SENSOR_HUB; 705} 706 707static int hid_scan_main(struct hid_parser *parser, struct hid_item *item) 708{ 709 __u32 data; 710 int i; 711 712 data = item_udata(item); 713 714 switch (item->tag) { 715 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION: 716 hid_scan_collection(parser, data & 0xff); 717 break; 718 case HID_MAIN_ITEM_TAG_END_COLLECTION: 719 break; 720 case HID_MAIN_ITEM_TAG_INPUT: 721 for (i = 0; i < parser->local.usage_index; i++) 722 hid_scan_input_usage(parser, parser->local.usage[i]); 723 break; 724 case HID_MAIN_ITEM_TAG_OUTPUT: 725 break; 726 case HID_MAIN_ITEM_TAG_FEATURE: 727 for (i = 0; i < parser->local.usage_index; i++) 728 hid_scan_feature_usage(parser, parser->local.usage[i]); 729 break; 730 } 731 732 /* Reset the local parser environment */ 733 memset(&parser->local, 0, sizeof(parser->local)); 734 735 return 0; 736} 737 738/* 739 * Scan a report descriptor before the device is added to the bus. 740 * Sets device groups and other properties that determine what driver 741 * to load. 742 */ 743static int hid_scan_report(struct hid_device *hid) 744{ 745 struct hid_parser *parser; 746 struct hid_item item; 747 __u8 *start = hid->dev_rdesc; 748 __u8 *end = start + hid->dev_rsize; 749 static int (*dispatch_type[])(struct hid_parser *parser, 750 struct hid_item *item) = { 751 hid_scan_main, 752 hid_parser_global, 753 hid_parser_local, 754 hid_parser_reserved 755 }; 756 757 parser = vzalloc(sizeof(struct hid_parser)); 758 if (!parser) 759 return -ENOMEM; 760 761 parser->device = hid; 762 hid->group = HID_GROUP_GENERIC; 763 764 /* 765 * The parsing is simpler than the one in hid_open_report() as we should 766 * be robust against hid errors. Those errors will be raised by 767 * hid_open_report() anyway. 768 */ 769 while ((start = fetch_item(start, end, &item)) != NULL) 770 dispatch_type[item.type](parser, &item); 771 772 /* 773 * Handle special flags set during scanning. 774 */ 775 if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) && 776 (hid->group == HID_GROUP_MULTITOUCH)) 777 hid->group = HID_GROUP_MULTITOUCH_WIN_8; 778 779 vfree(parser); 780 return 0; 781} 782 783/** 784 * hid_parse_report - parse device report 785 * 786 * @device: hid device 787 * @start: report start 788 * @size: report size 789 * 790 * Allocate the device report as read by the bus driver. This function should 791 * only be called from parse() in ll drivers. 792 */ 793int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size) 794{ 795 hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL); 796 if (!hid->dev_rdesc) 797 return -ENOMEM; 798 hid->dev_rsize = size; 799 return 0; 800} 801EXPORT_SYMBOL_GPL(hid_parse_report); 802 803static const char * const hid_report_names[] = { 804 "HID_INPUT_REPORT", 805 "HID_OUTPUT_REPORT", 806 "HID_FEATURE_REPORT", 807}; 808/** 809 * hid_validate_values - validate existing device report's value indexes 810 * 811 * @device: hid device 812 * @type: which report type to examine 813 * @id: which report ID to examine (0 for first) 814 * @field_index: which report field to examine 815 * @report_counts: expected number of values 816 * 817 * Validate the number of values in a given field of a given report, after 818 * parsing. 819 */ 820struct hid_report *hid_validate_values(struct hid_device *hid, 821 unsigned int type, unsigned int id, 822 unsigned int field_index, 823 unsigned int report_counts) 824{ 825 struct hid_report *report; 826 827 if (type > HID_FEATURE_REPORT) { 828 hid_err(hid, "invalid HID report type %u\n", type); 829 return NULL; 830 } 831 832 if (id >= HID_MAX_IDS) { 833 hid_err(hid, "invalid HID report id %u\n", id); 834 return NULL; 835 } 836 837 /* 838 * Explicitly not using hid_get_report() here since it depends on 839 * ->numbered being checked, which may not always be the case when 840 * drivers go to access report values. 841 */ 842 report = hid->report_enum[type].report_id_hash[id]; 843 if (!report) { 844 hid_err(hid, "missing %s %u\n", hid_report_names[type], id); 845 return NULL; 846 } 847 if (report->maxfield <= field_index) { 848 hid_err(hid, "not enough fields in %s %u\n", 849 hid_report_names[type], id); 850 return NULL; 851 } 852 if (report->field[field_index]->report_count < report_counts) { 853 hid_err(hid, "not enough values in %s %u field %u\n", 854 hid_report_names[type], id, field_index); 855 return NULL; 856 } 857 return report; 858} 859EXPORT_SYMBOL_GPL(hid_validate_values); 860 861/** 862 * hid_open_report - open a driver-specific device report 863 * 864 * @device: hid device 865 * 866 * Parse a report description into a hid_device structure. Reports are 867 * enumerated, fields are attached to these reports. 868 * 0 returned on success, otherwise nonzero error value. 869 * 870 * This function (or the equivalent hid_parse() macro) should only be 871 * called from probe() in drivers, before starting the device. 872 */ 873int hid_open_report(struct hid_device *device) 874{ 875 struct hid_parser *parser; 876 struct hid_item item; 877 unsigned int size; 878 __u8 *start; 879 __u8 *buf; 880 __u8 *end; 881 int ret; 882 static int (*dispatch_type[])(struct hid_parser *parser, 883 struct hid_item *item) = { 884 hid_parser_main, 885 hid_parser_global, 886 hid_parser_local, 887 hid_parser_reserved 888 }; 889 890 if (WARN_ON(device->status & HID_STAT_PARSED)) 891 return -EBUSY; 892 893 start = device->dev_rdesc; 894 if (WARN_ON(!start)) 895 return -ENODEV; 896 size = device->dev_rsize; 897 898 buf = kmemdup(start, size, GFP_KERNEL); 899 if (buf == NULL) 900 return -ENOMEM; 901 902 if (device->driver->report_fixup) 903 start = device->driver->report_fixup(device, buf, &size); 904 else 905 start = buf; 906 907 start = kmemdup(start, size, GFP_KERNEL); 908 kfree(buf); 909 if (start == NULL) 910 return -ENOMEM; 911 912 device->rdesc = start; 913 device->rsize = size; 914 915 parser = vzalloc(sizeof(struct hid_parser)); 916 if (!parser) { 917 ret = -ENOMEM; 918 goto err; 919 } 920 921 parser->device = device; 922 923 end = start + size; 924 925 device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS, 926 sizeof(struct hid_collection), GFP_KERNEL); 927 if (!device->collection) { 928 ret = -ENOMEM; 929 goto err; 930 } 931 device->collection_size = HID_DEFAULT_NUM_COLLECTIONS; 932 933 ret = -EINVAL; 934 while ((start = fetch_item(start, end, &item)) != NULL) { 935 936 if (item.format != HID_ITEM_FORMAT_SHORT) { 937 hid_err(device, "unexpected long global item\n"); 938 goto err; 939 } 940 941 if (dispatch_type[item.type](parser, &item)) { 942 hid_err(device, "item %u %u %u %u parsing failed\n", 943 item.format, (unsigned)item.size, 944 (unsigned)item.type, (unsigned)item.tag); 945 goto err; 946 } 947 948 if (start == end) { 949 if (parser->collection_stack_ptr) { 950 hid_err(device, "unbalanced collection at end of report description\n"); 951 goto err; 952 } 953 if (parser->local.delimiter_depth) { 954 hid_err(device, "unbalanced delimiter at end of report description\n"); 955 goto err; 956 } 957 vfree(parser); 958 device->status |= HID_STAT_PARSED; 959 return 0; 960 } 961 } 962 963 hid_err(device, "item fetching failed at offset %d\n", (int)(end - start)); 964err: 965 vfree(parser); 966 hid_close_report(device); 967 return ret; 968} 969EXPORT_SYMBOL_GPL(hid_open_report); 970 971/* 972 * Convert a signed n-bit integer to signed 32-bit integer. Common 973 * cases are done through the compiler, the screwed things has to be 974 * done by hand. 975 */ 976 977static s32 snto32(__u32 value, unsigned n) 978{ 979 switch (n) { 980 case 8: return ((__s8)value); 981 case 16: return ((__s16)value); 982 case 32: return ((__s32)value); 983 } 984 return value & (1 << (n - 1)) ? value | (-1 << n) : value; 985} 986 987s32 hid_snto32(__u32 value, unsigned n) 988{ 989 return snto32(value, n); 990} 991EXPORT_SYMBOL_GPL(hid_snto32); 992 993/* 994 * Convert a signed 32-bit integer to a signed n-bit integer. 995 */ 996 997static u32 s32ton(__s32 value, unsigned n) 998{ 999 s32 a = value >> (n - 1); 1000 if (a && a != -1) 1001 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1; 1002 return value & ((1 << n) - 1); 1003} 1004 1005/* 1006 * Extract/implement a data field from/to a little endian report (bit array). 1007 * 1008 * Code sort-of follows HID spec: 1009 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf 1010 * 1011 * While the USB HID spec allows unlimited length bit fields in "report 1012 * descriptors", most devices never use more than 16 bits. 1013 * One model of UPS is claimed to report "LINEV" as a 32-bit field. 1014 * Search linux-kernel and linux-usb-devel archives for "hid-core extract". 1015 */ 1016 1017static __u32 extract(const struct hid_device *hid, __u8 *report, 1018 unsigned offset, unsigned n) 1019{ 1020 u64 x; 1021 1022 if (n > 32) 1023 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n", 1024 n, current->comm); 1025 1026 report += offset >> 3; /* adjust byte index */ 1027 offset &= 7; /* now only need bit offset into one byte */ 1028 x = get_unaligned_le64(report); 1029 x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */ 1030 return (u32) x; 1031} 1032 1033/* 1034 * "implement" : set bits in a little endian bit stream. 1035 * Same concepts as "extract" (see comments above). 1036 * The data mangled in the bit stream remains in little endian 1037 * order the whole time. It make more sense to talk about 1038 * endianness of register values by considering a register 1039 * a "cached" copy of the little endiad bit stream. 1040 */ 1041static void implement(const struct hid_device *hid, __u8 *report, 1042 unsigned offset, unsigned n, __u32 value) 1043{ 1044 u64 x; 1045 u64 m = (1ULL << n) - 1; 1046 1047 if (n > 32) 1048 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n", 1049 __func__, n, current->comm); 1050 1051 if (value > m) 1052 hid_warn(hid, "%s() called with too large value %d! (%s)\n", 1053 __func__, value, current->comm); 1054 WARN_ON(value > m); 1055 value &= m; 1056 1057 report += offset >> 3; 1058 offset &= 7; 1059 1060 x = get_unaligned_le64(report); 1061 x &= ~(m << offset); 1062 x |= ((u64)value) << offset; 1063 put_unaligned_le64(x, report); 1064} 1065 1066/* 1067 * Search an array for a value. 1068 */ 1069 1070static int search(__s32 *array, __s32 value, unsigned n) 1071{ 1072 while (n--) { 1073 if (*array++ == value) 1074 return 0; 1075 } 1076 return -1; 1077} 1078 1079/** 1080 * hid_match_report - check if driver's raw_event should be called 1081 * 1082 * @hid: hid device 1083 * @report_type: type to match against 1084 * 1085 * compare hid->driver->report_table->report_type to report->type 1086 */ 1087static int hid_match_report(struct hid_device *hid, struct hid_report *report) 1088{ 1089 const struct hid_report_id *id = hid->driver->report_table; 1090 1091 if (!id) /* NULL means all */ 1092 return 1; 1093 1094 for (; id->report_type != HID_TERMINATOR; id++) 1095 if (id->report_type == HID_ANY_ID || 1096 id->report_type == report->type) 1097 return 1; 1098 return 0; 1099} 1100 1101/** 1102 * hid_match_usage - check if driver's event should be called 1103 * 1104 * @hid: hid device 1105 * @usage: usage to match against 1106 * 1107 * compare hid->driver->usage_table->usage_{type,code} to 1108 * usage->usage_{type,code} 1109 */ 1110static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage) 1111{ 1112 const struct hid_usage_id *id = hid->driver->usage_table; 1113 1114 if (!id) /* NULL means all */ 1115 return 1; 1116 1117 for (; id->usage_type != HID_ANY_ID - 1; id++) 1118 if ((id->usage_hid == HID_ANY_ID || 1119 id->usage_hid == usage->hid) && 1120 (id->usage_type == HID_ANY_ID || 1121 id->usage_type == usage->type) && 1122 (id->usage_code == HID_ANY_ID || 1123 id->usage_code == usage->code)) 1124 return 1; 1125 return 0; 1126} 1127 1128static void hid_process_event(struct hid_device *hid, struct hid_field *field, 1129 struct hid_usage *usage, __s32 value, int interrupt) 1130{ 1131 struct hid_driver *hdrv = hid->driver; 1132 int ret; 1133 1134 if (!list_empty(&hid->debug_list)) 1135 hid_dump_input(hid, usage, value); 1136 1137 if (hdrv && hdrv->event && hid_match_usage(hid, usage)) { 1138 ret = hdrv->event(hid, field, usage, value); 1139 if (ret != 0) { 1140 if (ret < 0) 1141 hid_err(hid, "%s's event failed with %d\n", 1142 hdrv->name, ret); 1143 return; 1144 } 1145 } 1146 1147 if (hid->claimed & HID_CLAIMED_INPUT) 1148 hidinput_hid_event(hid, field, usage, value); 1149 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event) 1150 hid->hiddev_hid_event(hid, field, usage, value); 1151} 1152 1153/* 1154 * Analyse a received field, and fetch the data from it. The field 1155 * content is stored for next report processing (we do differential 1156 * reporting to the layer). 1157 */ 1158 1159static void hid_input_field(struct hid_device *hid, struct hid_field *field, 1160 __u8 *data, int interrupt) 1161{ 1162 unsigned n; 1163 unsigned count = field->report_count; 1164 unsigned offset = field->report_offset; 1165 unsigned size = field->report_size; 1166 __s32 min = field->logical_minimum; 1167 __s32 max = field->logical_maximum; 1168 __s32 *value; 1169 1170 value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC); 1171 if (!value) 1172 return; 1173 1174 for (n = 0; n < count; n++) { 1175 1176 value[n] = min < 0 ? 1177 snto32(extract(hid, data, offset + n * size, size), 1178 size) : 1179 extract(hid, data, offset + n * size, size); 1180 1181 /* Ignore report if ErrorRollOver */ 1182 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) && 1183 value[n] >= min && value[n] <= max && 1184 field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1) 1185 goto exit; 1186 } 1187 1188 for (n = 0; n < count; n++) { 1189 1190 if (HID_MAIN_ITEM_VARIABLE & field->flags) { 1191 hid_process_event(hid, field, &field->usage[n], value[n], interrupt); 1192 continue; 1193 } 1194 1195 if (field->value[n] >= min && field->value[n] <= max 1196 && field->usage[field->value[n] - min].hid 1197 && search(value, field->value[n], count)) 1198 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt); 1199 1200 if (value[n] >= min && value[n] <= max 1201 && field->usage[value[n] - min].hid 1202 && search(field->value, value[n], count)) 1203 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt); 1204 } 1205 1206 memcpy(field->value, value, count * sizeof(__s32)); 1207exit: 1208 kfree(value); 1209} 1210 1211/* 1212 * Output the field into the report. 1213 */ 1214 1215static void hid_output_field(const struct hid_device *hid, 1216 struct hid_field *field, __u8 *data) 1217{ 1218 unsigned count = field->report_count; 1219 unsigned offset = field->report_offset; 1220 unsigned size = field->report_size; 1221 unsigned n; 1222 1223 for (n = 0; n < count; n++) { 1224 if (field->logical_minimum < 0) /* signed values */ 1225 implement(hid, data, offset + n * size, size, 1226 s32ton(field->value[n], size)); 1227 else /* unsigned values */ 1228 implement(hid, data, offset + n * size, size, 1229 field->value[n]); 1230 } 1231} 1232 1233/* 1234 * Create a report. 'data' has to be allocated using 1235 * hid_alloc_report_buf() so that it has proper size. 1236 */ 1237 1238void hid_output_report(struct hid_report *report, __u8 *data) 1239{ 1240 unsigned n; 1241 1242 if (report->id > 0) 1243 *data++ = report->id; 1244 1245 memset(data, 0, ((report->size - 1) >> 3) + 1); 1246 for (n = 0; n < report->maxfield; n++) 1247 hid_output_field(report->device, report->field[n], data); 1248} 1249EXPORT_SYMBOL_GPL(hid_output_report); 1250 1251/* 1252 * Allocator for buffer that is going to be passed to hid_output_report() 1253 */ 1254u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags) 1255{ 1256 /* 1257 * 7 extra bytes are necessary to achieve proper functionality 1258 * of implement() working on 8 byte chunks 1259 */ 1260 1261 int len = ((report->size - 1) >> 3) + 1 + (report->id > 0) + 7; 1262 1263 return kmalloc(len, flags); 1264} 1265EXPORT_SYMBOL_GPL(hid_alloc_report_buf); 1266 1267/* 1268 * Set a field value. The report this field belongs to has to be 1269 * created and transferred to the device, to set this value in the 1270 * device. 1271 */ 1272 1273int hid_set_field(struct hid_field *field, unsigned offset, __s32 value) 1274{ 1275 unsigned size; 1276 1277 if (!field) 1278 return -1; 1279 1280 size = field->report_size; 1281 1282 hid_dump_input(field->report->device, field->usage + offset, value); 1283 1284 if (offset >= field->report_count) { 1285 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n", 1286 offset, field->report_count); 1287 return -1; 1288 } 1289 if (field->logical_minimum < 0) { 1290 if (value != snto32(s32ton(value, size), size)) { 1291 hid_err(field->report->device, "value %d is out of range\n", value); 1292 return -1; 1293 } 1294 } 1295 field->value[offset] = value; 1296 return 0; 1297} 1298EXPORT_SYMBOL_GPL(hid_set_field); 1299 1300static struct hid_report *hid_get_report(struct hid_report_enum *report_enum, 1301 const u8 *data) 1302{ 1303 struct hid_report *report; 1304 unsigned int n = 0; /* Normally report number is 0 */ 1305 1306 /* Device uses numbered reports, data[0] is report number */ 1307 if (report_enum->numbered) 1308 n = *data; 1309 1310 report = report_enum->report_id_hash[n]; 1311 if (report == NULL) 1312 dbg_hid("undefined report_id %u received\n", n); 1313 1314 return report; 1315} 1316 1317int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, 1318 int interrupt) 1319{ 1320 struct hid_report_enum *report_enum = hid->report_enum + type; 1321 struct hid_report *report; 1322 struct hid_driver *hdrv; 1323 unsigned int a; 1324 int rsize, csize = size; 1325 u8 *cdata = data; 1326 int ret = 0; 1327 1328 report = hid_get_report(report_enum, data); 1329 if (!report) 1330 goto out; 1331 1332 if (report_enum->numbered) { 1333 cdata++; 1334 csize--; 1335 } 1336 1337 rsize = ((report->size - 1) >> 3) + 1; 1338 1339 if (rsize > HID_MAX_BUFFER_SIZE) 1340 rsize = HID_MAX_BUFFER_SIZE; 1341 1342 if (csize < rsize) { 1343 dbg_hid("report %d is too short, (%d < %d)\n", report->id, 1344 csize, rsize); 1345 memset(cdata + csize, 0, rsize - csize); 1346 } 1347 1348 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event) 1349 hid->hiddev_report_event(hid, report); 1350 if (hid->claimed & HID_CLAIMED_HIDRAW) { 1351 ret = hidraw_report_event(hid, data, size); 1352 if (ret) 1353 goto out; 1354 } 1355 1356 if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) { 1357 for (a = 0; a < report->maxfield; a++) 1358 hid_input_field(hid, report->field[a], cdata, interrupt); 1359 hdrv = hid->driver; 1360 if (hdrv && hdrv->report) 1361 hdrv->report(hid, report); 1362 } 1363 1364 if (hid->claimed & HID_CLAIMED_INPUT) 1365 hidinput_report_event(hid, report); 1366out: 1367 return ret; 1368} 1369EXPORT_SYMBOL_GPL(hid_report_raw_event); 1370 1371/** 1372 * hid_input_report - report data from lower layer (usb, bt...) 1373 * 1374 * @hid: hid device 1375 * @type: HID report type (HID_*_REPORT) 1376 * @data: report contents 1377 * @size: size of data parameter 1378 * @interrupt: distinguish between interrupt and control transfers 1379 * 1380 * This is data entry for lower layers. 1381 */ 1382int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt) 1383{ 1384 struct hid_report_enum *report_enum; 1385 struct hid_driver *hdrv; 1386 struct hid_report *report; 1387 int ret = 0; 1388 1389 if (!hid) 1390 return -ENODEV; 1391 1392 if (down_trylock(&hid->driver_input_lock)) 1393 return -EBUSY; 1394 1395 if (!hid->driver) { 1396 ret = -ENODEV; 1397 goto unlock; 1398 } 1399 report_enum = hid->report_enum + type; 1400 hdrv = hid->driver; 1401 1402 if (!size) { 1403 dbg_hid("empty report\n"); 1404 ret = -1; 1405 goto unlock; 1406 } 1407 1408 /* Avoid unnecessary overhead if debugfs is disabled */ 1409 if (!list_empty(&hid->debug_list)) 1410 hid_dump_report(hid, type, data, size); 1411 1412 report = hid_get_report(report_enum, data); 1413 1414 if (!report) { 1415 ret = -1; 1416 goto unlock; 1417 } 1418 1419 if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) { 1420 ret = hdrv->raw_event(hid, report, data, size); 1421 if (ret < 0) 1422 goto unlock; 1423 } 1424 1425 ret = hid_report_raw_event(hid, type, data, size, interrupt); 1426 1427unlock: 1428 up(&hid->driver_input_lock); 1429 return ret; 1430} 1431EXPORT_SYMBOL_GPL(hid_input_report); 1432 1433static bool hid_match_one_id(struct hid_device *hdev, 1434 const struct hid_device_id *id) 1435{ 1436 return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) && 1437 (id->group == HID_GROUP_ANY || id->group == hdev->group) && 1438 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) && 1439 (id->product == HID_ANY_ID || id->product == hdev->product); 1440} 1441 1442const struct hid_device_id *hid_match_id(struct hid_device *hdev, 1443 const struct hid_device_id *id) 1444{ 1445 for (; id->bus; id++) 1446 if (hid_match_one_id(hdev, id)) 1447 return id; 1448 1449 return NULL; 1450} 1451 1452static const struct hid_device_id hid_hiddev_list[] = { 1453 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) }, 1454 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) }, 1455 { } 1456}; 1457 1458static bool hid_hiddev(struct hid_device *hdev) 1459{ 1460 return !!hid_match_id(hdev, hid_hiddev_list); 1461} 1462 1463 1464static ssize_t 1465read_report_descriptor(struct file *filp, struct kobject *kobj, 1466 struct bin_attribute *attr, 1467 char *buf, loff_t off, size_t count) 1468{ 1469 struct device *dev = container_of(kobj, struct device, kobj); 1470 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1471 1472 if (off >= hdev->rsize) 1473 return 0; 1474 1475 if (off + count > hdev->rsize) 1476 count = hdev->rsize - off; 1477 1478 memcpy(buf, hdev->rdesc + off, count); 1479 1480 return count; 1481} 1482 1483static struct bin_attribute dev_bin_attr_report_desc = { 1484 .attr = { .name = "report_descriptor", .mode = 0444 }, 1485 .read = read_report_descriptor, 1486 .size = HID_MAX_DESCRIPTOR_SIZE, 1487}; 1488 1489int hid_connect(struct hid_device *hdev, unsigned int connect_mask) 1490{ 1491 static const char *types[] = { "Device", "Pointer", "Mouse", "Device", 1492 "Joystick", "Gamepad", "Keyboard", "Keypad", 1493 "Multi-Axis Controller" 1494 }; 1495 const char *type, *bus; 1496 char buf[64]; 1497 unsigned int i; 1498 int len; 1499 int ret; 1500 1501 if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE) 1502 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV); 1503 if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE) 1504 connect_mask |= HID_CONNECT_HIDINPUT_FORCE; 1505 if (hdev->bus != BUS_USB) 1506 connect_mask &= ~HID_CONNECT_HIDDEV; 1507 if (hid_hiddev(hdev)) 1508 connect_mask |= HID_CONNECT_HIDDEV_FORCE; 1509 1510 if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev, 1511 connect_mask & HID_CONNECT_HIDINPUT_FORCE)) 1512 hdev->claimed |= HID_CLAIMED_INPUT; 1513 1514 if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect && 1515 !hdev->hiddev_connect(hdev, 1516 connect_mask & HID_CONNECT_HIDDEV_FORCE)) 1517 hdev->claimed |= HID_CLAIMED_HIDDEV; 1518 if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev)) 1519 hdev->claimed |= HID_CLAIMED_HIDRAW; 1520 1521 /* Drivers with the ->raw_event callback set are not required to connect 1522 * to any other listener. */ 1523 if (!hdev->claimed && !hdev->driver->raw_event) { 1524 hid_err(hdev, "device has no listeners, quitting\n"); 1525 return -ENODEV; 1526 } 1527 1528 if ((hdev->claimed & HID_CLAIMED_INPUT) && 1529 (connect_mask & HID_CONNECT_FF) && hdev->ff_init) 1530 hdev->ff_init(hdev); 1531 1532 len = 0; 1533 if (hdev->claimed & HID_CLAIMED_INPUT) 1534 len += sprintf(buf + len, "input"); 1535 if (hdev->claimed & HID_CLAIMED_HIDDEV) 1536 len += sprintf(buf + len, "%shiddev%d", len ? "," : "", 1537 hdev->minor); 1538 if (hdev->claimed & HID_CLAIMED_HIDRAW) 1539 len += sprintf(buf + len, "%shidraw%d", len ? "," : "", 1540 ((struct hidraw *)hdev->hidraw)->minor); 1541 1542 type = "Device"; 1543 for (i = 0; i < hdev->maxcollection; i++) { 1544 struct hid_collection *col = &hdev->collection[i]; 1545 if (col->type == HID_COLLECTION_APPLICATION && 1546 (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK && 1547 (col->usage & 0xffff) < ARRAY_SIZE(types)) { 1548 type = types[col->usage & 0xffff]; 1549 break; 1550 } 1551 } 1552 1553 switch (hdev->bus) { 1554 case BUS_USB: 1555 bus = "USB"; 1556 break; 1557 case BUS_BLUETOOTH: 1558 bus = "BLUETOOTH"; 1559 break; 1560 default: 1561 bus = "<UNKNOWN>"; 1562 } 1563 1564 ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc); 1565 if (ret) 1566 hid_warn(hdev, 1567 "can't create sysfs report descriptor attribute err: %d\n", ret); 1568 1569 hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n", 1570 buf, bus, hdev->version >> 8, hdev->version & 0xff, 1571 type, hdev->name, hdev->phys); 1572 1573 return 0; 1574} 1575EXPORT_SYMBOL_GPL(hid_connect); 1576 1577void hid_disconnect(struct hid_device *hdev) 1578{ 1579 device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc); 1580 if (hdev->claimed & HID_CLAIMED_INPUT) 1581 hidinput_disconnect(hdev); 1582 if (hdev->claimed & HID_CLAIMED_HIDDEV) 1583 hdev->hiddev_disconnect(hdev); 1584 if (hdev->claimed & HID_CLAIMED_HIDRAW) 1585 hidraw_disconnect(hdev); 1586} 1587EXPORT_SYMBOL_GPL(hid_disconnect); 1588 1589/* 1590 * A list of devices for which there is a specialized driver on HID bus. 1591 * 1592 * Please note that for multitouch devices (driven by hid-multitouch driver), 1593 * there is a proper autodetection and autoloading in place (based on presence 1594 * of HID_DG_CONTACTID), so those devices don't need to be added to this list, 1595 * as we are doing the right thing in hid_scan_usage(). 1596 * 1597 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type 1598 * physical is found inside a usage page of type sensor, hid-sensor-hub will be 1599 * used as a driver. See hid_scan_report(). 1600 */ 1601static const struct hid_device_id hid_have_special_driver[] = { 1602 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) }, 1603 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) }, 1604 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) }, 1605 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) }, 1606 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) }, 1607 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) }, 1608 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) }, 1609 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) }, 1610 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, 1611 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, 1612 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, 1613 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, 1614 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, 1615 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, 1616 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, 1617 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, 1618 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, 1619 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, 1620 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, 1621 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) }, 1622 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) }, 1623 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) }, 1624 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) }, 1625 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) }, 1626 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) }, 1627 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, 1628 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, 1629 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, 1630 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) }, 1631 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) }, 1632 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) }, 1633 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) }, 1634 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) }, 1635 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) }, 1636 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) }, 1637 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) }, 1638 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, 1639 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, 1640 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, 1641 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, 1642 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, 1643 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, 1644 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, 1645 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, 1646 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, 1647 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) }, 1648 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) }, 1649 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) }, 1650 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) }, 1651 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) }, 1652 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) }, 1653 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) }, 1654 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) }, 1655 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) }, 1656 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) }, 1657 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) }, 1658 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) }, 1659 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) }, 1660 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) }, 1661 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) }, 1662 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) }, 1663 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) }, 1664 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) }, 1665 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) }, 1666 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) }, 1667 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) }, 1668 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, 1669 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, 1670 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, 1671 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) }, 1672 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) }, 1673 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) }, 1674 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) }, 1675 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) }, 1676 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) }, 1677 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) }, 1678 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) }, 1679 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) }, 1680 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) }, 1681 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) }, 1682 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) }, 1683 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, 1684 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, 1685 { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) }, 1686 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) }, 1687 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) }, 1688 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) }, 1689 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, 1690 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) }, 1691 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, 1692 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) }, 1693 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) }, 1694 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) }, 1695 { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) }, 1696 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, 1697 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, 1698 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) }, 1699 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) }, 1700 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, 1701 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) }, 1702 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) }, 1703 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) }, 1704 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) }, 1705 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) }, 1706 { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) }, 1707 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, 1708 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) }, 1709 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) }, 1710 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) }, 1711 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) }, 1712 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, 1713 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, 1714 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) }, 1715 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) }, 1716 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) }, 1717 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) }, 1718 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) }, 1719 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) }, 1720 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) }, 1721 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) }, 1722 { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_580) }, 1723 { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) }, 1724 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) }, 1725 { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) }, 1726 { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) }, 1727 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) }, 1728 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) }, 1729 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) }, 1730 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) }, 1731 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) }, 1732 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) }, 1733 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) }, 1734 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, 1735 { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) }, 1736#if IS_ENABLED(CONFIG_HID_LENOVO_TPKBD) 1737 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) }, 1738#endif 1739 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, 1740 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, 1741 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) }, 1742 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) }, 1743 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) }, 1744 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) }, 1745 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) }, 1746 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) }, 1747 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) }, 1748 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) }, 1749 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) }, 1750 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) }, 1751 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) }, 1752 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) }, 1753 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) }, 1754 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) }, 1755 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) }, 1756 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) }, 1757 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) }, 1758 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) }, 1759 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) }, 1760 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) }, 1761 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) }, 1762 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) }, 1763 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) }, 1764 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) }, 1765#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ) 1766 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) }, 1767 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) }, 1768#endif 1769 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) }, 1770 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) }, 1771 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) }, 1772 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) }, 1773 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) }, 1774 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) }, 1775 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) }, 1776 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) }, 1777 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) }, 1778 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) }, 1779 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) }, 1780 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, 1781 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) }, 1782 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, 1783 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_2) }, 1784 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TOUCH_COVER_2) }, 1785 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, 1786 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) }, 1787 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) }, 1788 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) }, 1789 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) }, 1790 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) }, 1791 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) }, 1792 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) }, 1793 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) }, 1794 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) }, 1795 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) }, 1796 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) }, 1797 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) }, 1798 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) }, 1799 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) }, 1800 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) }, 1801 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) }, 1802 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) }, 1803 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) }, 1804 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) }, 1805 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, 1806 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, 1807 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, 1808 { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) }, 1809#if IS_ENABLED(CONFIG_HID_ROCCAT) 1810 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) }, 1811 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) }, 1812 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) }, 1813 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) }, 1814 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) }, 1815 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) }, 1816 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) }, 1817 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) }, 1818 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) }, 1819 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) }, 1820 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, 1821 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) }, 1822 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) }, 1823 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) }, 1824 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) }, 1825 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) }, 1826#endif 1827 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) }, 1828 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, 1829 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) }, 1830 { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, 1831 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) }, 1832 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) }, 1833 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) }, 1834 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, 1835 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) }, 1836 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, 1837 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) }, 1838 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) }, 1839 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) }, 1840 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) }, 1841 { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) }, 1842 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, 1843 { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) }, 1844 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) }, 1845 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) }, 1846 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) }, 1847 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) }, 1848 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) }, 1849 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) }, 1850 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) }, 1851 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) }, 1852 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) }, 1853 { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) }, 1854 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) }, 1855 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) }, 1856 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) }, 1857 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) }, 1858 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) }, 1859 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) }, 1860 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) }, 1861 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) }, 1862 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) }, 1863 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) }, 1864 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, 1865 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) }, 1866 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) }, 1867 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) }, 1868 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) }, 1869 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) }, 1870 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) }, 1871 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) }, 1872 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) }, 1873 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) }, 1874 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) }, 1875 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) }, 1876 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) }, 1877 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) }, 1878 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) }, 1879 { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) }, 1880 { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) }, 1881 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) }, 1882 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) }, 1883 { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) }, 1884 1885 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) }, 1886 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) }, 1887 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) }, 1888 { } 1889}; 1890 1891struct hid_dynid { 1892 struct list_head list; 1893 struct hid_device_id id; 1894}; 1895 1896/** 1897 * store_new_id - add a new HID device ID to this driver and re-probe devices 1898 * @driver: target device driver 1899 * @buf: buffer for scanning device ID data 1900 * @count: input size 1901 * 1902 * Adds a new dynamic hid device ID to this driver, 1903 * and causes the driver to probe for all devices again. 1904 */ 1905static ssize_t store_new_id(struct device_driver *drv, const char *buf, 1906 size_t count) 1907{ 1908 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); 1909 struct hid_dynid *dynid; 1910 __u32 bus, vendor, product; 1911 unsigned long driver_data = 0; 1912 int ret; 1913 1914 ret = sscanf(buf, "%x %x %x %lx", 1915 &bus, &vendor, &product, &driver_data); 1916 if (ret < 3) 1917 return -EINVAL; 1918 1919 dynid = kzalloc(sizeof(*dynid), GFP_KERNEL); 1920 if (!dynid) 1921 return -ENOMEM; 1922 1923 dynid->id.bus = bus; 1924 dynid->id.group = HID_GROUP_ANY; 1925 dynid->id.vendor = vendor; 1926 dynid->id.product = product; 1927 dynid->id.driver_data = driver_data; 1928 1929 spin_lock(&hdrv->dyn_lock); 1930 list_add_tail(&dynid->list, &hdrv->dyn_list); 1931 spin_unlock(&hdrv->dyn_lock); 1932 1933 ret = driver_attach(&hdrv->driver); 1934 1935 return ret ? : count; 1936} 1937static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id); 1938 1939static void hid_free_dynids(struct hid_driver *hdrv) 1940{ 1941 struct hid_dynid *dynid, *n; 1942 1943 spin_lock(&hdrv->dyn_lock); 1944 list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) { 1945 list_del(&dynid->list); 1946 kfree(dynid); 1947 } 1948 spin_unlock(&hdrv->dyn_lock); 1949} 1950 1951static const struct hid_device_id *hid_match_device(struct hid_device *hdev, 1952 struct hid_driver *hdrv) 1953{ 1954 struct hid_dynid *dynid; 1955 1956 spin_lock(&hdrv->dyn_lock); 1957 list_for_each_entry(dynid, &hdrv->dyn_list, list) { 1958 if (hid_match_one_id(hdev, &dynid->id)) { 1959 spin_unlock(&hdrv->dyn_lock); 1960 return &dynid->id; 1961 } 1962 } 1963 spin_unlock(&hdrv->dyn_lock); 1964 1965 return hid_match_id(hdev, hdrv->id_table); 1966} 1967 1968static int hid_bus_match(struct device *dev, struct device_driver *drv) 1969{ 1970 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); 1971 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1972 1973 return hid_match_device(hdev, hdrv) != NULL; 1974} 1975 1976static int hid_device_probe(struct device *dev) 1977{ 1978 struct hid_driver *hdrv = container_of(dev->driver, 1979 struct hid_driver, driver); 1980 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1981 const struct hid_device_id *id; 1982 int ret = 0; 1983 1984 if (down_interruptible(&hdev->driver_lock)) 1985 return -EINTR; 1986 if (down_interruptible(&hdev->driver_input_lock)) { 1987 ret = -EINTR; 1988 goto unlock_driver_lock; 1989 } 1990 hdev->io_started = false; 1991 1992 if (!hdev->driver) { 1993 id = hid_match_device(hdev, hdrv); 1994 if (id == NULL) { 1995 ret = -ENODEV; 1996 goto unlock; 1997 } 1998 1999 hdev->driver = hdrv; 2000 if (hdrv->probe) { 2001 ret = hdrv->probe(hdev, id); 2002 } else { /* default probe */ 2003 ret = hid_open_report(hdev); 2004 if (!ret) 2005 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 2006 } 2007 if (ret) { 2008 hid_close_report(hdev); 2009 hdev->driver = NULL; 2010 } 2011 } 2012unlock: 2013 if (!hdev->io_started) 2014 up(&hdev->driver_input_lock); 2015unlock_driver_lock: 2016 up(&hdev->driver_lock); 2017 return ret; 2018} 2019 2020static int hid_device_remove(struct device *dev) 2021{ 2022 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 2023 struct hid_driver *hdrv; 2024 int ret = 0; 2025 2026 if (down_interruptible(&hdev->driver_lock)) 2027 return -EINTR; 2028 if (down_interruptible(&hdev->driver_input_lock)) { 2029 ret = -EINTR; 2030 goto unlock_driver_lock; 2031 } 2032 hdev->io_started = false; 2033 2034 hdrv = hdev->driver; 2035 if (hdrv) { 2036 if (hdrv->remove) 2037 hdrv->remove(hdev); 2038 else /* default remove */ 2039 hid_hw_stop(hdev); 2040 hid_close_report(hdev); 2041 hdev->driver = NULL; 2042 } 2043 2044 if (!hdev->io_started) 2045 up(&hdev->driver_input_lock); 2046unlock_driver_lock: 2047 up(&hdev->driver_lock); 2048 return ret; 2049} 2050 2051static ssize_t modalias_show(struct device *dev, struct device_attribute *a, 2052 char *buf) 2053{ 2054 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 2055 int len; 2056 2057 len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n", 2058 hdev->bus, hdev->group, hdev->vendor, hdev->product); 2059 2060 return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len; 2061} 2062static DEVICE_ATTR_RO(modalias); 2063 2064static struct attribute *hid_dev_attrs[] = { 2065 &dev_attr_modalias.attr, 2066 NULL, 2067}; 2068ATTRIBUTE_GROUPS(hid_dev); 2069 2070static int hid_uevent(struct device *dev, struct kobj_uevent_env *env) 2071{ 2072 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 2073 2074 if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X", 2075 hdev->bus, hdev->vendor, hdev->product)) 2076 return -ENOMEM; 2077 2078 if (add_uevent_var(env, "HID_NAME=%s", hdev->name)) 2079 return -ENOMEM; 2080 2081 if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys)) 2082 return -ENOMEM; 2083 2084 if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq)) 2085 return -ENOMEM; 2086 2087 if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X", 2088 hdev->bus, hdev->group, hdev->vendor, hdev->product)) 2089 return -ENOMEM; 2090 2091 return 0; 2092} 2093 2094static struct bus_type hid_bus_type = { 2095 .name = "hid", 2096 .dev_groups = hid_dev_groups, 2097 .match = hid_bus_match, 2098 .probe = hid_device_probe, 2099 .remove = hid_device_remove, 2100 .uevent = hid_uevent, 2101}; 2102 2103/* a list of devices that shouldn't be handled by HID core at all */ 2104static const struct hid_device_id hid_ignore_list[] = { 2105 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) }, 2106 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) }, 2107 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) }, 2108 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) }, 2109 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) }, 2110 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) }, 2111 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) }, 2112 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) }, 2113 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) }, 2114 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) }, 2115 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) }, 2116 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) }, 2117 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)}, 2118 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)}, 2119 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) }, 2120 { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) }, 2121 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) }, 2122 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) }, 2123 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) }, 2124 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) }, 2125 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) }, 2126 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) }, 2127 { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) }, 2128 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) }, 2129 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) }, 2130 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) }, 2131 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) }, 2132 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) }, 2133 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) }, 2134 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) }, 2135 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) }, 2136 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) }, 2137 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) }, 2138 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) }, 2139 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) }, 2140 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) }, 2141 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) }, 2142 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) }, 2143 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) }, 2144 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) }, 2145 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) }, 2146 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) }, 2147 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) }, 2148 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) }, 2149 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) }, 2150 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) }, 2151 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) }, 2152 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) }, 2153 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) }, 2154 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) }, 2155 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) }, 2156 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) }, 2157 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) }, 2158 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) }, 2159 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) }, 2160 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) }, 2161 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) }, 2162 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) }, 2163 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) }, 2164 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) }, 2165 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) }, 2166 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) }, 2167 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) }, 2168 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) }, 2169 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) }, 2170 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) }, 2171 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) }, 2172 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) }, 2173 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) }, 2174 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) }, 2175 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) }, 2176 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) }, 2177 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) }, 2178 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) }, 2179 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) }, 2180 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) }, 2181 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) }, 2182 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) }, 2183 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) }, 2184 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) }, 2185 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) }, 2186 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) }, 2187 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) }, 2188 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) }, 2189 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) }, 2190 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) }, 2191 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) }, 2192 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) }, 2193 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) }, 2194 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) }, 2195 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) }, 2196 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) }, 2197 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) }, 2198 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) }, 2199 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) }, 2200 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) }, 2201 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) }, 2202 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) }, 2203 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) }, 2204 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) }, 2205 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) }, 2206 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) }, 2207 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) }, 2208 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) }, 2209 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) }, 2210 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) }, 2211 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) }, 2212 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) }, 2213 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) }, 2214 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) }, 2215 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) }, 2216 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) }, 2217 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) }, 2218 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) }, 2219 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) }, 2220 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) }, 2221 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) }, 2222 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) }, 2223 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) }, 2224 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) }, 2225 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) }, 2226 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) }, 2227 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) }, 2228 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) }, 2229 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) }, 2230 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) }, 2231 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) }, 2232 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) }, 2233 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) }, 2234 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) }, 2235 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) }, 2236 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) }, 2237 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) }, 2238 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) }, 2239 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) }, 2240 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) }, 2241 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) }, 2242 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) }, 2243 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) }, 2244 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) }, 2245 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) }, 2246 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) }, 2247 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) }, 2248 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) }, 2249 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) }, 2250 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) }, 2251 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) }, 2252 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) }, 2253 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) }, 2254 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) }, 2255 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) }, 2256 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) }, 2257 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) }, 2258 { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) }, 2259 { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) }, 2260#if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE) 2261 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) }, 2262 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) }, 2263 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) }, 2264 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) }, 2265 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) }, 2266 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) }, 2267 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) }, 2268 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) }, 2269#endif 2270 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) }, 2271 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) }, 2272 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) }, 2273 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) }, 2274 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) }, 2275 { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) }, 2276 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) }, 2277 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) }, 2278 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) }, 2279 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) }, 2280 { } 2281}; 2282 2283/** 2284 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer 2285 * 2286 * There are composite devices for which we want to ignore only a certain 2287 * interface. This is a list of devices for which only the mouse interface will 2288 * be ignored. This allows a dedicated driver to take care of the interface. 2289 */ 2290static const struct hid_device_id hid_mouse_ignore_list[] = { 2291 /* appletouch driver */ 2292 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, 2293 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, 2294 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, 2295 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, 2296 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, 2297 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, 2298 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, 2299 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, 2300 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, 2301 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, 2302 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, 2303 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, 2304 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, 2305 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, 2306 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, 2307 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, 2308 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, 2309 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, 2310 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, 2311 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, 2312 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, 2313 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, 2314 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, 2315 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) }, 2316 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) }, 2317 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) }, 2318 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) }, 2319 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) }, 2320 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) }, 2321 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) }, 2322 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) }, 2323 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) }, 2324 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) }, 2325 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) }, 2326 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) }, 2327 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) }, 2328 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) }, 2329 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) }, 2330 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) }, 2331 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) }, 2332 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) }, 2333 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, 2334 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, 2335 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, 2336 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) }, 2337 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) }, 2338 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) }, 2339 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) }, 2340 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) }, 2341 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) }, 2342 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, 2343 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, 2344 { } 2345}; 2346 2347bool hid_ignore(struct hid_device *hdev) 2348{ 2349 if (hdev->quirks & HID_QUIRK_NO_IGNORE) 2350 return false; 2351 if (hdev->quirks & HID_QUIRK_IGNORE) 2352 return true; 2353 2354 switch (hdev->vendor) { 2355 case USB_VENDOR_ID_CODEMERCS: 2356 /* ignore all Code Mercenaries IOWarrior devices */ 2357 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST && 2358 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST) 2359 return true; 2360 break; 2361 case USB_VENDOR_ID_LOGITECH: 2362 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST && 2363 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST) 2364 return true; 2365 /* 2366 * The Keene FM transmitter USB device has the same USB ID as 2367 * the Logitech AudioHub Speaker, but it should ignore the hid. 2368 * Check if the name is that of the Keene device. 2369 * For reference: the name of the AudioHub is 2370 * "HOLTEK AudioHub Speaker". 2371 */ 2372 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB && 2373 !strcmp(hdev->name, "HOLTEK B-LINK USB Audio ")) 2374 return true; 2375 break; 2376 case USB_VENDOR_ID_SOUNDGRAPH: 2377 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST && 2378 hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST) 2379 return true; 2380 break; 2381 case USB_VENDOR_ID_HANWANG: 2382 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST && 2383 hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST) 2384 return true; 2385 break; 2386 case USB_VENDOR_ID_JESS: 2387 if (hdev->product == USB_DEVICE_ID_JESS_YUREX && 2388 hdev->type == HID_TYPE_USBNONE) 2389 return true; 2390 break; 2391 case USB_VENDOR_ID_VELLEMAN: 2392 /* These are not HID devices. They are handled by comedi. */ 2393 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST && 2394 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) || 2395 (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST && 2396 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST)) 2397 return true; 2398 break; 2399 case USB_VENDOR_ID_ATMEL_V_USB: 2400 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and 2401 * it has the same USB ID as many Atmel V-USB devices. This 2402 * usb radio is handled by radio-ma901.c driver so we want 2403 * ignore the hid. Check the name, bus, product and ignore 2404 * if we have MA901 usb radio. 2405 */ 2406 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB && 2407 hdev->bus == BUS_USB && 2408 strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0) 2409 return true; 2410 break; 2411 } 2412 2413 if (hdev->type == HID_TYPE_USBMOUSE && 2414 hid_match_id(hdev, hid_mouse_ignore_list)) 2415 return true; 2416 2417 return !!hid_match_id(hdev, hid_ignore_list); 2418} 2419EXPORT_SYMBOL_GPL(hid_ignore); 2420 2421int hid_add_device(struct hid_device *hdev) 2422{ 2423 static atomic_t id = ATOMIC_INIT(0); 2424 int ret; 2425 2426 if (WARN_ON(hdev->status & HID_STAT_ADDED)) 2427 return -EBUSY; 2428 2429 /* we need to kill them here, otherwise they will stay allocated to 2430 * wait for coming driver */ 2431 if (hid_ignore(hdev)) 2432 return -ENODEV; 2433 2434 /* 2435 * Read the device report descriptor once and use as template 2436 * for the driver-specific modifications. 2437 */ 2438 ret = hdev->ll_driver->parse(hdev); 2439 if (ret) 2440 return ret; 2441 if (!hdev->dev_rdesc) 2442 return -ENODEV; 2443 2444 /* 2445 * Scan generic devices for group information 2446 */ 2447 if (hid_ignore_special_drivers || 2448 !hid_match_id(hdev, hid_have_special_driver)) { 2449 ret = hid_scan_report(hdev); 2450 if (ret) 2451 hid_warn(hdev, "bad device descriptor (%d)\n", ret); 2452 } 2453 2454 /* XXX hack, any other cleaner solution after the driver core 2455 * is converted to allow more than 20 bytes as the device name? */ 2456 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus, 2457 hdev->vendor, hdev->product, atomic_inc_return(&id)); 2458 2459 hid_debug_register(hdev, dev_name(&hdev->dev)); 2460 ret = device_add(&hdev->dev); 2461 if (!ret) 2462 hdev->status |= HID_STAT_ADDED; 2463 else 2464 hid_debug_unregister(hdev); 2465 2466 return ret; 2467} 2468EXPORT_SYMBOL_GPL(hid_add_device); 2469 2470/** 2471 * hid_allocate_device - allocate new hid device descriptor 2472 * 2473 * Allocate and initialize hid device, so that hid_destroy_device might be 2474 * used to free it. 2475 * 2476 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded 2477 * error value. 2478 */ 2479struct hid_device *hid_allocate_device(void) 2480{ 2481 struct hid_device *hdev; 2482 int ret = -ENOMEM; 2483 2484 hdev = kzalloc(sizeof(*hdev), GFP_KERNEL); 2485 if (hdev == NULL) 2486 return ERR_PTR(ret); 2487 2488 device_initialize(&hdev->dev); 2489 hdev->dev.release = hid_device_release; 2490 hdev->dev.bus = &hid_bus_type; 2491 2492 hid_close_report(hdev); 2493 2494 init_waitqueue_head(&hdev->debug_wait); 2495 INIT_LIST_HEAD(&hdev->debug_list); 2496 spin_lock_init(&hdev->debug_list_lock); 2497 sema_init(&hdev->driver_lock, 1); 2498 sema_init(&hdev->driver_input_lock, 1); 2499 2500 return hdev; 2501} 2502EXPORT_SYMBOL_GPL(hid_allocate_device); 2503 2504static void hid_remove_device(struct hid_device *hdev) 2505{ 2506 if (hdev->status & HID_STAT_ADDED) { 2507 device_del(&hdev->dev); 2508 hid_debug_unregister(hdev); 2509 hdev->status &= ~HID_STAT_ADDED; 2510 } 2511 kfree(hdev->dev_rdesc); 2512 hdev->dev_rdesc = NULL; 2513 hdev->dev_rsize = 0; 2514} 2515 2516/** 2517 * hid_destroy_device - free previously allocated device 2518 * 2519 * @hdev: hid device 2520 * 2521 * If you allocate hid_device through hid_allocate_device, you should ever 2522 * free by this function. 2523 */ 2524void hid_destroy_device(struct hid_device *hdev) 2525{ 2526 hid_remove_device(hdev); 2527 put_device(&hdev->dev); 2528} 2529EXPORT_SYMBOL_GPL(hid_destroy_device); 2530 2531int __hid_register_driver(struct hid_driver *hdrv, struct module *owner, 2532 const char *mod_name) 2533{ 2534 int ret; 2535 2536 hdrv->driver.name = hdrv->name; 2537 hdrv->driver.bus = &hid_bus_type; 2538 hdrv->driver.owner = owner; 2539 hdrv->driver.mod_name = mod_name; 2540 2541 INIT_LIST_HEAD(&hdrv->dyn_list); 2542 spin_lock_init(&hdrv->dyn_lock); 2543 2544 ret = driver_register(&hdrv->driver); 2545 if (ret) 2546 return ret; 2547 2548 ret = driver_create_file(&hdrv->driver, &driver_attr_new_id); 2549 if (ret) 2550 driver_unregister(&hdrv->driver); 2551 2552 return ret; 2553} 2554EXPORT_SYMBOL_GPL(__hid_register_driver); 2555 2556void hid_unregister_driver(struct hid_driver *hdrv) 2557{ 2558 driver_remove_file(&hdrv->driver, &driver_attr_new_id); 2559 driver_unregister(&hdrv->driver); 2560 hid_free_dynids(hdrv); 2561} 2562EXPORT_SYMBOL_GPL(hid_unregister_driver); 2563 2564int hid_check_keys_pressed(struct hid_device *hid) 2565{ 2566 struct hid_input *hidinput; 2567 int i; 2568 2569 if (!(hid->claimed & HID_CLAIMED_INPUT)) 2570 return 0; 2571 2572 list_for_each_entry(hidinput, &hid->inputs, list) { 2573 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++) 2574 if (hidinput->input->key[i]) 2575 return 1; 2576 } 2577 2578 return 0; 2579} 2580 2581EXPORT_SYMBOL_GPL(hid_check_keys_pressed); 2582 2583static int __init hid_init(void) 2584{ 2585 int ret; 2586 2587 if (hid_debug) 2588 pr_warn("hid_debug is now used solely for parser and driver debugging.\n" 2589 "debugfs is now used for inspecting the device (report descriptor, reports)\n"); 2590 2591 ret = bus_register(&hid_bus_type); 2592 if (ret) { 2593 pr_err("can't register hid bus\n"); 2594 goto err; 2595 } 2596 2597 ret = hidraw_init(); 2598 if (ret) 2599 goto err_bus; 2600 2601 hid_debug_init(); 2602 2603 return 0; 2604err_bus: 2605 bus_unregister(&hid_bus_type); 2606err: 2607 return ret; 2608} 2609 2610static void __exit hid_exit(void) 2611{ 2612 hid_debug_exit(); 2613 hidraw_exit(); 2614 bus_unregister(&hid_bus_type); 2615} 2616 2617module_init(hid_init); 2618module_exit(hid_exit); 2619 2620MODULE_AUTHOR("Andreas Gal"); 2621MODULE_AUTHOR("Vojtech Pavlik"); 2622MODULE_AUTHOR("Jiri Kosina"); 2623MODULE_LICENSE(DRIVER_LICENSE); 2624 2625