hid-core.c revision 19e4ec525b37cdecbdb4f86edaae7f56a67339ee
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 /* ignore constant inputs, they will be ignored by hid-input */ 722 if (data & HID_MAIN_ITEM_CONSTANT) 723 break; 724 for (i = 0; i < parser->local.usage_index; i++) 725 hid_scan_input_usage(parser, parser->local.usage[i]); 726 break; 727 case HID_MAIN_ITEM_TAG_OUTPUT: 728 break; 729 case HID_MAIN_ITEM_TAG_FEATURE: 730 for (i = 0; i < parser->local.usage_index; i++) 731 hid_scan_feature_usage(parser, parser->local.usage[i]); 732 break; 733 } 734 735 /* Reset the local parser environment */ 736 memset(&parser->local, 0, sizeof(parser->local)); 737 738 return 0; 739} 740 741/* 742 * Scan a report descriptor before the device is added to the bus. 743 * Sets device groups and other properties that determine what driver 744 * to load. 745 */ 746static int hid_scan_report(struct hid_device *hid) 747{ 748 struct hid_parser *parser; 749 struct hid_item item; 750 __u8 *start = hid->dev_rdesc; 751 __u8 *end = start + hid->dev_rsize; 752 static int (*dispatch_type[])(struct hid_parser *parser, 753 struct hid_item *item) = { 754 hid_scan_main, 755 hid_parser_global, 756 hid_parser_local, 757 hid_parser_reserved 758 }; 759 760 parser = vzalloc(sizeof(struct hid_parser)); 761 if (!parser) 762 return -ENOMEM; 763 764 parser->device = hid; 765 hid->group = HID_GROUP_GENERIC; 766 767 /* 768 * The parsing is simpler than the one in hid_open_report() as we should 769 * be robust against hid errors. Those errors will be raised by 770 * hid_open_report() anyway. 771 */ 772 while ((start = fetch_item(start, end, &item)) != NULL) 773 dispatch_type[item.type](parser, &item); 774 775 /* 776 * Handle special flags set during scanning. 777 */ 778 if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) && 779 (hid->group == HID_GROUP_MULTITOUCH)) 780 hid->group = HID_GROUP_MULTITOUCH_WIN_8; 781 782 vfree(parser); 783 return 0; 784} 785 786/** 787 * hid_parse_report - parse device report 788 * 789 * @device: hid device 790 * @start: report start 791 * @size: report size 792 * 793 * Allocate the device report as read by the bus driver. This function should 794 * only be called from parse() in ll drivers. 795 */ 796int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size) 797{ 798 hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL); 799 if (!hid->dev_rdesc) 800 return -ENOMEM; 801 hid->dev_rsize = size; 802 return 0; 803} 804EXPORT_SYMBOL_GPL(hid_parse_report); 805 806static const char * const hid_report_names[] = { 807 "HID_INPUT_REPORT", 808 "HID_OUTPUT_REPORT", 809 "HID_FEATURE_REPORT", 810}; 811/** 812 * hid_validate_values - validate existing device report's value indexes 813 * 814 * @device: hid device 815 * @type: which report type to examine 816 * @id: which report ID to examine (0 for first) 817 * @field_index: which report field to examine 818 * @report_counts: expected number of values 819 * 820 * Validate the number of values in a given field of a given report, after 821 * parsing. 822 */ 823struct hid_report *hid_validate_values(struct hid_device *hid, 824 unsigned int type, unsigned int id, 825 unsigned int field_index, 826 unsigned int report_counts) 827{ 828 struct hid_report *report; 829 830 if (type > HID_FEATURE_REPORT) { 831 hid_err(hid, "invalid HID report type %u\n", type); 832 return NULL; 833 } 834 835 if (id >= HID_MAX_IDS) { 836 hid_err(hid, "invalid HID report id %u\n", id); 837 return NULL; 838 } 839 840 /* 841 * Explicitly not using hid_get_report() here since it depends on 842 * ->numbered being checked, which may not always be the case when 843 * drivers go to access report values. 844 */ 845 report = hid->report_enum[type].report_id_hash[id]; 846 if (!report) { 847 hid_err(hid, "missing %s %u\n", hid_report_names[type], id); 848 return NULL; 849 } 850 if (report->maxfield <= field_index) { 851 hid_err(hid, "not enough fields in %s %u\n", 852 hid_report_names[type], id); 853 return NULL; 854 } 855 if (report->field[field_index]->report_count < report_counts) { 856 hid_err(hid, "not enough values in %s %u field %u\n", 857 hid_report_names[type], id, field_index); 858 return NULL; 859 } 860 return report; 861} 862EXPORT_SYMBOL_GPL(hid_validate_values); 863 864/** 865 * hid_open_report - open a driver-specific device report 866 * 867 * @device: hid device 868 * 869 * Parse a report description into a hid_device structure. Reports are 870 * enumerated, fields are attached to these reports. 871 * 0 returned on success, otherwise nonzero error value. 872 * 873 * This function (or the equivalent hid_parse() macro) should only be 874 * called from probe() in drivers, before starting the device. 875 */ 876int hid_open_report(struct hid_device *device) 877{ 878 struct hid_parser *parser; 879 struct hid_item item; 880 unsigned int size; 881 __u8 *start; 882 __u8 *buf; 883 __u8 *end; 884 int ret; 885 static int (*dispatch_type[])(struct hid_parser *parser, 886 struct hid_item *item) = { 887 hid_parser_main, 888 hid_parser_global, 889 hid_parser_local, 890 hid_parser_reserved 891 }; 892 893 if (WARN_ON(device->status & HID_STAT_PARSED)) 894 return -EBUSY; 895 896 start = device->dev_rdesc; 897 if (WARN_ON(!start)) 898 return -ENODEV; 899 size = device->dev_rsize; 900 901 buf = kmemdup(start, size, GFP_KERNEL); 902 if (buf == NULL) 903 return -ENOMEM; 904 905 if (device->driver->report_fixup) 906 start = device->driver->report_fixup(device, buf, &size); 907 else 908 start = buf; 909 910 start = kmemdup(start, size, GFP_KERNEL); 911 kfree(buf); 912 if (start == NULL) 913 return -ENOMEM; 914 915 device->rdesc = start; 916 device->rsize = size; 917 918 parser = vzalloc(sizeof(struct hid_parser)); 919 if (!parser) { 920 ret = -ENOMEM; 921 goto err; 922 } 923 924 parser->device = device; 925 926 end = start + size; 927 928 device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS, 929 sizeof(struct hid_collection), GFP_KERNEL); 930 if (!device->collection) { 931 ret = -ENOMEM; 932 goto err; 933 } 934 device->collection_size = HID_DEFAULT_NUM_COLLECTIONS; 935 936 ret = -EINVAL; 937 while ((start = fetch_item(start, end, &item)) != NULL) { 938 939 if (item.format != HID_ITEM_FORMAT_SHORT) { 940 hid_err(device, "unexpected long global item\n"); 941 goto err; 942 } 943 944 if (dispatch_type[item.type](parser, &item)) { 945 hid_err(device, "item %u %u %u %u parsing failed\n", 946 item.format, (unsigned)item.size, 947 (unsigned)item.type, (unsigned)item.tag); 948 goto err; 949 } 950 951 if (start == end) { 952 if (parser->collection_stack_ptr) { 953 hid_err(device, "unbalanced collection at end of report description\n"); 954 goto err; 955 } 956 if (parser->local.delimiter_depth) { 957 hid_err(device, "unbalanced delimiter at end of report description\n"); 958 goto err; 959 } 960 vfree(parser); 961 device->status |= HID_STAT_PARSED; 962 return 0; 963 } 964 } 965 966 hid_err(device, "item fetching failed at offset %d\n", (int)(end - start)); 967err: 968 vfree(parser); 969 hid_close_report(device); 970 return ret; 971} 972EXPORT_SYMBOL_GPL(hid_open_report); 973 974/* 975 * Convert a signed n-bit integer to signed 32-bit integer. Common 976 * cases are done through the compiler, the screwed things has to be 977 * done by hand. 978 */ 979 980static s32 snto32(__u32 value, unsigned n) 981{ 982 switch (n) { 983 case 8: return ((__s8)value); 984 case 16: return ((__s16)value); 985 case 32: return ((__s32)value); 986 } 987 return value & (1 << (n - 1)) ? value | (-1 << n) : value; 988} 989 990s32 hid_snto32(__u32 value, unsigned n) 991{ 992 return snto32(value, n); 993} 994EXPORT_SYMBOL_GPL(hid_snto32); 995 996/* 997 * Convert a signed 32-bit integer to a signed n-bit integer. 998 */ 999 1000static u32 s32ton(__s32 value, unsigned n) 1001{ 1002 s32 a = value >> (n - 1); 1003 if (a && a != -1) 1004 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1; 1005 return value & ((1 << n) - 1); 1006} 1007 1008/* 1009 * Extract/implement a data field from/to a little endian report (bit array). 1010 * 1011 * Code sort-of follows HID spec: 1012 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf 1013 * 1014 * While the USB HID spec allows unlimited length bit fields in "report 1015 * descriptors", most devices never use more than 16 bits. 1016 * One model of UPS is claimed to report "LINEV" as a 32-bit field. 1017 * Search linux-kernel and linux-usb-devel archives for "hid-core extract". 1018 */ 1019 1020static __u32 extract(const struct hid_device *hid, __u8 *report, 1021 unsigned offset, unsigned n) 1022{ 1023 u64 x; 1024 1025 if (n > 32) 1026 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n", 1027 n, current->comm); 1028 1029 report += offset >> 3; /* adjust byte index */ 1030 offset &= 7; /* now only need bit offset into one byte */ 1031 x = get_unaligned_le64(report); 1032 x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */ 1033 return (u32) x; 1034} 1035 1036/* 1037 * "implement" : set bits in a little endian bit stream. 1038 * Same concepts as "extract" (see comments above). 1039 * The data mangled in the bit stream remains in little endian 1040 * order the whole time. It make more sense to talk about 1041 * endianness of register values by considering a register 1042 * a "cached" copy of the little endiad bit stream. 1043 */ 1044static void implement(const struct hid_device *hid, __u8 *report, 1045 unsigned offset, unsigned n, __u32 value) 1046{ 1047 u64 x; 1048 u64 m = (1ULL << n) - 1; 1049 1050 if (n > 32) 1051 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n", 1052 __func__, n, current->comm); 1053 1054 if (value > m) 1055 hid_warn(hid, "%s() called with too large value %d! (%s)\n", 1056 __func__, value, current->comm); 1057 WARN_ON(value > m); 1058 value &= m; 1059 1060 report += offset >> 3; 1061 offset &= 7; 1062 1063 x = get_unaligned_le64(report); 1064 x &= ~(m << offset); 1065 x |= ((u64)value) << offset; 1066 put_unaligned_le64(x, report); 1067} 1068 1069/* 1070 * Search an array for a value. 1071 */ 1072 1073static int search(__s32 *array, __s32 value, unsigned n) 1074{ 1075 while (n--) { 1076 if (*array++ == value) 1077 return 0; 1078 } 1079 return -1; 1080} 1081 1082/** 1083 * hid_match_report - check if driver's raw_event should be called 1084 * 1085 * @hid: hid device 1086 * @report_type: type to match against 1087 * 1088 * compare hid->driver->report_table->report_type to report->type 1089 */ 1090static int hid_match_report(struct hid_device *hid, struct hid_report *report) 1091{ 1092 const struct hid_report_id *id = hid->driver->report_table; 1093 1094 if (!id) /* NULL means all */ 1095 return 1; 1096 1097 for (; id->report_type != HID_TERMINATOR; id++) 1098 if (id->report_type == HID_ANY_ID || 1099 id->report_type == report->type) 1100 return 1; 1101 return 0; 1102} 1103 1104/** 1105 * hid_match_usage - check if driver's event should be called 1106 * 1107 * @hid: hid device 1108 * @usage: usage to match against 1109 * 1110 * compare hid->driver->usage_table->usage_{type,code} to 1111 * usage->usage_{type,code} 1112 */ 1113static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage) 1114{ 1115 const struct hid_usage_id *id = hid->driver->usage_table; 1116 1117 if (!id) /* NULL means all */ 1118 return 1; 1119 1120 for (; id->usage_type != HID_ANY_ID - 1; id++) 1121 if ((id->usage_hid == HID_ANY_ID || 1122 id->usage_hid == usage->hid) && 1123 (id->usage_type == HID_ANY_ID || 1124 id->usage_type == usage->type) && 1125 (id->usage_code == HID_ANY_ID || 1126 id->usage_code == usage->code)) 1127 return 1; 1128 return 0; 1129} 1130 1131static void hid_process_event(struct hid_device *hid, struct hid_field *field, 1132 struct hid_usage *usage, __s32 value, int interrupt) 1133{ 1134 struct hid_driver *hdrv = hid->driver; 1135 int ret; 1136 1137 if (!list_empty(&hid->debug_list)) 1138 hid_dump_input(hid, usage, value); 1139 1140 if (hdrv && hdrv->event && hid_match_usage(hid, usage)) { 1141 ret = hdrv->event(hid, field, usage, value); 1142 if (ret != 0) { 1143 if (ret < 0) 1144 hid_err(hid, "%s's event failed with %d\n", 1145 hdrv->name, ret); 1146 return; 1147 } 1148 } 1149 1150 if (hid->claimed & HID_CLAIMED_INPUT) 1151 hidinput_hid_event(hid, field, usage, value); 1152 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event) 1153 hid->hiddev_hid_event(hid, field, usage, value); 1154} 1155 1156/* 1157 * Analyse a received field, and fetch the data from it. The field 1158 * content is stored for next report processing (we do differential 1159 * reporting to the layer). 1160 */ 1161 1162static void hid_input_field(struct hid_device *hid, struct hid_field *field, 1163 __u8 *data, int interrupt) 1164{ 1165 unsigned n; 1166 unsigned count = field->report_count; 1167 unsigned offset = field->report_offset; 1168 unsigned size = field->report_size; 1169 __s32 min = field->logical_minimum; 1170 __s32 max = field->logical_maximum; 1171 __s32 *value; 1172 1173 value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC); 1174 if (!value) 1175 return; 1176 1177 for (n = 0; n < count; n++) { 1178 1179 value[n] = min < 0 ? 1180 snto32(extract(hid, data, offset + n * size, size), 1181 size) : 1182 extract(hid, data, offset + n * size, size); 1183 1184 /* Ignore report if ErrorRollOver */ 1185 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) && 1186 value[n] >= min && value[n] <= max && 1187 field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1) 1188 goto exit; 1189 } 1190 1191 for (n = 0; n < count; n++) { 1192 1193 if (HID_MAIN_ITEM_VARIABLE & field->flags) { 1194 hid_process_event(hid, field, &field->usage[n], value[n], interrupt); 1195 continue; 1196 } 1197 1198 if (field->value[n] >= min && field->value[n] <= max 1199 && field->usage[field->value[n] - min].hid 1200 && search(value, field->value[n], count)) 1201 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt); 1202 1203 if (value[n] >= min && value[n] <= max 1204 && field->usage[value[n] - min].hid 1205 && search(field->value, value[n], count)) 1206 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt); 1207 } 1208 1209 memcpy(field->value, value, count * sizeof(__s32)); 1210exit: 1211 kfree(value); 1212} 1213 1214/* 1215 * Output the field into the report. 1216 */ 1217 1218static void hid_output_field(const struct hid_device *hid, 1219 struct hid_field *field, __u8 *data) 1220{ 1221 unsigned count = field->report_count; 1222 unsigned offset = field->report_offset; 1223 unsigned size = field->report_size; 1224 unsigned n; 1225 1226 for (n = 0; n < count; n++) { 1227 if (field->logical_minimum < 0) /* signed values */ 1228 implement(hid, data, offset + n * size, size, 1229 s32ton(field->value[n], size)); 1230 else /* unsigned values */ 1231 implement(hid, data, offset + n * size, size, 1232 field->value[n]); 1233 } 1234} 1235 1236/* 1237 * Create a report. 'data' has to be allocated using 1238 * hid_alloc_report_buf() so that it has proper size. 1239 */ 1240 1241void hid_output_report(struct hid_report *report, __u8 *data) 1242{ 1243 unsigned n; 1244 1245 if (report->id > 0) 1246 *data++ = report->id; 1247 1248 memset(data, 0, ((report->size - 1) >> 3) + 1); 1249 for (n = 0; n < report->maxfield; n++) 1250 hid_output_field(report->device, report->field[n], data); 1251} 1252EXPORT_SYMBOL_GPL(hid_output_report); 1253 1254static int hid_report_len(struct hid_report *report) 1255{ 1256 /* equivalent to DIV_ROUND_UP(report->size, 8) + !!(report->id > 0) */ 1257 return ((report->size - 1) >> 3) + 1 + (report->id > 0); 1258} 1259 1260/* 1261 * Allocator for buffer that is going to be passed to hid_output_report() 1262 */ 1263u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags) 1264{ 1265 /* 1266 * 7 extra bytes are necessary to achieve proper functionality 1267 * of implement() working on 8 byte chunks 1268 */ 1269 1270 int len = hid_report_len(report) + 7; 1271 1272 return kmalloc(len, flags); 1273} 1274EXPORT_SYMBOL_GPL(hid_alloc_report_buf); 1275 1276/* 1277 * Set a field value. The report this field belongs to has to be 1278 * created and transferred to the device, to set this value in the 1279 * device. 1280 */ 1281 1282int hid_set_field(struct hid_field *field, unsigned offset, __s32 value) 1283{ 1284 unsigned size; 1285 1286 if (!field) 1287 return -1; 1288 1289 size = field->report_size; 1290 1291 hid_dump_input(field->report->device, field->usage + offset, value); 1292 1293 if (offset >= field->report_count) { 1294 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n", 1295 offset, field->report_count); 1296 return -1; 1297 } 1298 if (field->logical_minimum < 0) { 1299 if (value != snto32(s32ton(value, size), size)) { 1300 hid_err(field->report->device, "value %d is out of range\n", value); 1301 return -1; 1302 } 1303 } 1304 field->value[offset] = value; 1305 return 0; 1306} 1307EXPORT_SYMBOL_GPL(hid_set_field); 1308 1309static struct hid_report *hid_get_report(struct hid_report_enum *report_enum, 1310 const u8 *data) 1311{ 1312 struct hid_report *report; 1313 unsigned int n = 0; /* Normally report number is 0 */ 1314 1315 /* Device uses numbered reports, data[0] is report number */ 1316 if (report_enum->numbered) 1317 n = *data; 1318 1319 report = report_enum->report_id_hash[n]; 1320 if (report == NULL) 1321 dbg_hid("undefined report_id %u received\n", n); 1322 1323 return report; 1324} 1325 1326/* 1327 * Implement a generic .request() callback, using .raw_request() 1328 * DO NOT USE in hid drivers directly, but through hid_hw_request instead. 1329 */ 1330void __hid_request(struct hid_device *hid, struct hid_report *report, 1331 int reqtype) 1332{ 1333 char *buf; 1334 int ret; 1335 int len; 1336 1337 buf = hid_alloc_report_buf(report, GFP_KERNEL); 1338 if (!buf) 1339 return; 1340 1341 len = hid_report_len(report); 1342 1343 if (reqtype == HID_REQ_SET_REPORT) 1344 hid_output_report(report, buf); 1345 1346 ret = hid->ll_driver->raw_request(hid, report->id, buf, len, 1347 report->type, reqtype); 1348 if (ret < 0) { 1349 dbg_hid("unable to complete request: %d\n", ret); 1350 goto out; 1351 } 1352 1353 if (reqtype == HID_REQ_GET_REPORT) 1354 hid_input_report(hid, report->type, buf, ret, 0); 1355 1356out: 1357 kfree(buf); 1358} 1359EXPORT_SYMBOL_GPL(__hid_request); 1360 1361int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, 1362 int interrupt) 1363{ 1364 struct hid_report_enum *report_enum = hid->report_enum + type; 1365 struct hid_report *report; 1366 struct hid_driver *hdrv; 1367 unsigned int a; 1368 int rsize, csize = size; 1369 u8 *cdata = data; 1370 int ret = 0; 1371 1372 report = hid_get_report(report_enum, data); 1373 if (!report) 1374 goto out; 1375 1376 if (report_enum->numbered) { 1377 cdata++; 1378 csize--; 1379 } 1380 1381 rsize = ((report->size - 1) >> 3) + 1; 1382 1383 if (rsize > HID_MAX_BUFFER_SIZE) 1384 rsize = HID_MAX_BUFFER_SIZE; 1385 1386 if (csize < rsize) { 1387 dbg_hid("report %d is too short, (%d < %d)\n", report->id, 1388 csize, rsize); 1389 memset(cdata + csize, 0, rsize - csize); 1390 } 1391 1392 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event) 1393 hid->hiddev_report_event(hid, report); 1394 if (hid->claimed & HID_CLAIMED_HIDRAW) { 1395 ret = hidraw_report_event(hid, data, size); 1396 if (ret) 1397 goto out; 1398 } 1399 1400 if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) { 1401 for (a = 0; a < report->maxfield; a++) 1402 hid_input_field(hid, report->field[a], cdata, interrupt); 1403 hdrv = hid->driver; 1404 if (hdrv && hdrv->report) 1405 hdrv->report(hid, report); 1406 } 1407 1408 if (hid->claimed & HID_CLAIMED_INPUT) 1409 hidinput_report_event(hid, report); 1410out: 1411 return ret; 1412} 1413EXPORT_SYMBOL_GPL(hid_report_raw_event); 1414 1415/** 1416 * hid_input_report - report data from lower layer (usb, bt...) 1417 * 1418 * @hid: hid device 1419 * @type: HID report type (HID_*_REPORT) 1420 * @data: report contents 1421 * @size: size of data parameter 1422 * @interrupt: distinguish between interrupt and control transfers 1423 * 1424 * This is data entry for lower layers. 1425 */ 1426int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt) 1427{ 1428 struct hid_report_enum *report_enum; 1429 struct hid_driver *hdrv; 1430 struct hid_report *report; 1431 int ret = 0; 1432 1433 if (!hid) 1434 return -ENODEV; 1435 1436 if (down_trylock(&hid->driver_input_lock)) 1437 return -EBUSY; 1438 1439 if (!hid->driver) { 1440 ret = -ENODEV; 1441 goto unlock; 1442 } 1443 report_enum = hid->report_enum + type; 1444 hdrv = hid->driver; 1445 1446 if (!size) { 1447 dbg_hid("empty report\n"); 1448 ret = -1; 1449 goto unlock; 1450 } 1451 1452 /* Avoid unnecessary overhead if debugfs is disabled */ 1453 if (!list_empty(&hid->debug_list)) 1454 hid_dump_report(hid, type, data, size); 1455 1456 report = hid_get_report(report_enum, data); 1457 1458 if (!report) { 1459 ret = -1; 1460 goto unlock; 1461 } 1462 1463 if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) { 1464 ret = hdrv->raw_event(hid, report, data, size); 1465 if (ret < 0) 1466 goto unlock; 1467 } 1468 1469 ret = hid_report_raw_event(hid, type, data, size, interrupt); 1470 1471unlock: 1472 up(&hid->driver_input_lock); 1473 return ret; 1474} 1475EXPORT_SYMBOL_GPL(hid_input_report); 1476 1477static bool hid_match_one_id(struct hid_device *hdev, 1478 const struct hid_device_id *id) 1479{ 1480 return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) && 1481 (id->group == HID_GROUP_ANY || id->group == hdev->group) && 1482 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) && 1483 (id->product == HID_ANY_ID || id->product == hdev->product); 1484} 1485 1486const struct hid_device_id *hid_match_id(struct hid_device *hdev, 1487 const struct hid_device_id *id) 1488{ 1489 for (; id->bus; id++) 1490 if (hid_match_one_id(hdev, id)) 1491 return id; 1492 1493 return NULL; 1494} 1495 1496static const struct hid_device_id hid_hiddev_list[] = { 1497 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) }, 1498 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) }, 1499 { } 1500}; 1501 1502static bool hid_hiddev(struct hid_device *hdev) 1503{ 1504 return !!hid_match_id(hdev, hid_hiddev_list); 1505} 1506 1507 1508static ssize_t 1509read_report_descriptor(struct file *filp, struct kobject *kobj, 1510 struct bin_attribute *attr, 1511 char *buf, loff_t off, size_t count) 1512{ 1513 struct device *dev = container_of(kobj, struct device, kobj); 1514 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1515 1516 if (off >= hdev->rsize) 1517 return 0; 1518 1519 if (off + count > hdev->rsize) 1520 count = hdev->rsize - off; 1521 1522 memcpy(buf, hdev->rdesc + off, count); 1523 1524 return count; 1525} 1526 1527static struct bin_attribute dev_bin_attr_report_desc = { 1528 .attr = { .name = "report_descriptor", .mode = 0444 }, 1529 .read = read_report_descriptor, 1530 .size = HID_MAX_DESCRIPTOR_SIZE, 1531}; 1532 1533int hid_connect(struct hid_device *hdev, unsigned int connect_mask) 1534{ 1535 static const char *types[] = { "Device", "Pointer", "Mouse", "Device", 1536 "Joystick", "Gamepad", "Keyboard", "Keypad", 1537 "Multi-Axis Controller" 1538 }; 1539 const char *type, *bus; 1540 char buf[64]; 1541 unsigned int i; 1542 int len; 1543 int ret; 1544 1545 if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE) 1546 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV); 1547 if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE) 1548 connect_mask |= HID_CONNECT_HIDINPUT_FORCE; 1549 if (hdev->bus != BUS_USB) 1550 connect_mask &= ~HID_CONNECT_HIDDEV; 1551 if (hid_hiddev(hdev)) 1552 connect_mask |= HID_CONNECT_HIDDEV_FORCE; 1553 1554 if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev, 1555 connect_mask & HID_CONNECT_HIDINPUT_FORCE)) 1556 hdev->claimed |= HID_CLAIMED_INPUT; 1557 1558 if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect && 1559 !hdev->hiddev_connect(hdev, 1560 connect_mask & HID_CONNECT_HIDDEV_FORCE)) 1561 hdev->claimed |= HID_CLAIMED_HIDDEV; 1562 if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev)) 1563 hdev->claimed |= HID_CLAIMED_HIDRAW; 1564 1565 /* Drivers with the ->raw_event callback set are not required to connect 1566 * to any other listener. */ 1567 if (!hdev->claimed && !hdev->driver->raw_event) { 1568 hid_err(hdev, "device has no listeners, quitting\n"); 1569 return -ENODEV; 1570 } 1571 1572 if ((hdev->claimed & HID_CLAIMED_INPUT) && 1573 (connect_mask & HID_CONNECT_FF) && hdev->ff_init) 1574 hdev->ff_init(hdev); 1575 1576 len = 0; 1577 if (hdev->claimed & HID_CLAIMED_INPUT) 1578 len += sprintf(buf + len, "input"); 1579 if (hdev->claimed & HID_CLAIMED_HIDDEV) 1580 len += sprintf(buf + len, "%shiddev%d", len ? "," : "", 1581 hdev->minor); 1582 if (hdev->claimed & HID_CLAIMED_HIDRAW) 1583 len += sprintf(buf + len, "%shidraw%d", len ? "," : "", 1584 ((struct hidraw *)hdev->hidraw)->minor); 1585 1586 type = "Device"; 1587 for (i = 0; i < hdev->maxcollection; i++) { 1588 struct hid_collection *col = &hdev->collection[i]; 1589 if (col->type == HID_COLLECTION_APPLICATION && 1590 (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK && 1591 (col->usage & 0xffff) < ARRAY_SIZE(types)) { 1592 type = types[col->usage & 0xffff]; 1593 break; 1594 } 1595 } 1596 1597 switch (hdev->bus) { 1598 case BUS_USB: 1599 bus = "USB"; 1600 break; 1601 case BUS_BLUETOOTH: 1602 bus = "BLUETOOTH"; 1603 break; 1604 default: 1605 bus = "<UNKNOWN>"; 1606 } 1607 1608 ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc); 1609 if (ret) 1610 hid_warn(hdev, 1611 "can't create sysfs report descriptor attribute err: %d\n", ret); 1612 1613 hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n", 1614 buf, bus, hdev->version >> 8, hdev->version & 0xff, 1615 type, hdev->name, hdev->phys); 1616 1617 return 0; 1618} 1619EXPORT_SYMBOL_GPL(hid_connect); 1620 1621void hid_disconnect(struct hid_device *hdev) 1622{ 1623 device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc); 1624 if (hdev->claimed & HID_CLAIMED_INPUT) 1625 hidinput_disconnect(hdev); 1626 if (hdev->claimed & HID_CLAIMED_HIDDEV) 1627 hdev->hiddev_disconnect(hdev); 1628 if (hdev->claimed & HID_CLAIMED_HIDRAW) 1629 hidraw_disconnect(hdev); 1630} 1631EXPORT_SYMBOL_GPL(hid_disconnect); 1632 1633/* 1634 * A list of devices for which there is a specialized driver on HID bus. 1635 * 1636 * Please note that for multitouch devices (driven by hid-multitouch driver), 1637 * there is a proper autodetection and autoloading in place (based on presence 1638 * of HID_DG_CONTACTID), so those devices don't need to be added to this list, 1639 * as we are doing the right thing in hid_scan_usage(). 1640 * 1641 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type 1642 * physical is found inside a usage page of type sensor, hid-sensor-hub will be 1643 * used as a driver. See hid_scan_report(). 1644 */ 1645static const struct hid_device_id hid_have_special_driver[] = { 1646 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) }, 1647 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) }, 1648 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) }, 1649 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) }, 1650 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) }, 1651 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) }, 1652 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) }, 1653 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) }, 1654 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, 1655 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, 1656 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, 1657 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, 1658 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, 1659 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, 1660 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, 1661 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, 1662 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, 1663 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, 1664 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, 1665 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) }, 1666 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) }, 1667 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) }, 1668 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) }, 1669 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) }, 1670 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) }, 1671 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, 1672 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, 1673 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, 1674 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) }, 1675 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) }, 1676 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) }, 1677 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) }, 1678 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) }, 1679 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) }, 1680 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) }, 1681 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) }, 1682 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, 1683 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, 1684 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, 1685 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, 1686 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, 1687 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, 1688 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, 1689 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, 1690 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, 1691 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) }, 1692 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) }, 1693 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) }, 1694 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) }, 1695 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) }, 1696 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) }, 1697 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) }, 1698 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) }, 1699 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) }, 1700 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) }, 1701 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) }, 1702 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) }, 1703 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) }, 1704 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) }, 1705 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) }, 1706 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) }, 1707 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) }, 1708 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) }, 1709 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) }, 1710 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) }, 1711 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) }, 1712 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, 1713 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, 1714 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, 1715 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) }, 1716 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) }, 1717 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) }, 1718 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) }, 1719 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) }, 1720 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) }, 1721 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) }, 1722 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) }, 1723 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) }, 1724 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) }, 1725 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) }, 1726 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) }, 1727 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, 1728 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, 1729 { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) }, 1730 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) }, 1731 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) }, 1732 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) }, 1733 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, 1734 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) }, 1735 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, 1736 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) }, 1737 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) }, 1738 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) }, 1739 { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) }, 1740 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) }, 1741 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, 1742 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, 1743 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) }, 1744 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) }, 1745 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, 1746 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) }, 1747 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) }, 1748 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) }, 1749 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) }, 1750 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) }, 1751 { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) }, 1752 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, 1753 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) }, 1754 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) }, 1755 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) }, 1756 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) }, 1757 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, 1758 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, 1759 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) }, 1760 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) }, 1761 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) }, 1762 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) }, 1763 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) }, 1764 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) }, 1765 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) }, 1766 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) }, 1767 { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_580) }, 1768 { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) }, 1769 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) }, 1770 { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) }, 1771 { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) }, 1772 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) }, 1773 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) }, 1774 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) }, 1775 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) }, 1776 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) }, 1777 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) }, 1778 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) }, 1779 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, 1780 { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) }, 1781#if IS_ENABLED(CONFIG_HID_LENOVO_TPKBD) 1782 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) }, 1783#endif 1784 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, 1785 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, 1786 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) }, 1787 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) }, 1788 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) }, 1789 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) }, 1790 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) }, 1791 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) }, 1792 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) }, 1793 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) }, 1794 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) }, 1795 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) }, 1796 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) }, 1797 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) }, 1798 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) }, 1799 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) }, 1800 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) }, 1801 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) }, 1802 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) }, 1803 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) }, 1804 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) }, 1805 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) }, 1806 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) }, 1807 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) }, 1808 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) }, 1809 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) }, 1810#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ) 1811 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) }, 1812 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) }, 1813#endif 1814 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) }, 1815 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) }, 1816 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) }, 1817 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) }, 1818 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) }, 1819 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) }, 1820 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) }, 1821 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) }, 1822 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) }, 1823 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) }, 1824 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) }, 1825 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, 1826 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) }, 1827 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, 1828 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) }, 1829 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, 1830 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) }, 1831 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) }, 1832 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) }, 1833 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) }, 1834 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) }, 1835 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) }, 1836 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) }, 1837 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) }, 1838 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) }, 1839 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) }, 1840 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) }, 1841 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) }, 1842 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) }, 1843 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) }, 1844 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) }, 1845 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) }, 1846 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) }, 1847 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) }, 1848 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) }, 1849 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, 1850 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, 1851 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, 1852 { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) }, 1853#if IS_ENABLED(CONFIG_HID_ROCCAT) 1854 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) }, 1855 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) }, 1856 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) }, 1857 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) }, 1858 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) }, 1859 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) }, 1860 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) }, 1861 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) }, 1862 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) }, 1863 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) }, 1864 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, 1865 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) }, 1866 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) }, 1867 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) }, 1868 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) }, 1869 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) }, 1870#endif 1871 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) }, 1872 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, 1873 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) }, 1874 { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, 1875 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) }, 1876 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) }, 1877 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) }, 1878 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, 1879 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) }, 1880 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, 1881 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) }, 1882 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) }, 1883 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) }, 1884 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) }, 1885 { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) }, 1886 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, 1887 { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) }, 1888 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) }, 1889 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) }, 1890 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) }, 1891 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) }, 1892 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) }, 1893 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) }, 1894 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) }, 1895 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) }, 1896 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) }, 1897 { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) }, 1898 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) }, 1899 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) }, 1900 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) }, 1901 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) }, 1902 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) }, 1903 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) }, 1904 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) }, 1905 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) }, 1906 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) }, 1907 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) }, 1908 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, 1909 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) }, 1910 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) }, 1911 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) }, 1912 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) }, 1913 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) }, 1914 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) }, 1915 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) }, 1916 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) }, 1917 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) }, 1918 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) }, 1919 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) }, 1920 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) }, 1921 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) }, 1922 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) }, 1923 { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) }, 1924 { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) }, 1925 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) }, 1926 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) }, 1927 { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) }, 1928 1929 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) }, 1930 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) }, 1931 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) }, 1932 { } 1933}; 1934 1935struct hid_dynid { 1936 struct list_head list; 1937 struct hid_device_id id; 1938}; 1939 1940/** 1941 * store_new_id - add a new HID device ID to this driver and re-probe devices 1942 * @driver: target device driver 1943 * @buf: buffer for scanning device ID data 1944 * @count: input size 1945 * 1946 * Adds a new dynamic hid device ID to this driver, 1947 * and causes the driver to probe for all devices again. 1948 */ 1949static ssize_t store_new_id(struct device_driver *drv, const char *buf, 1950 size_t count) 1951{ 1952 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); 1953 struct hid_dynid *dynid; 1954 __u32 bus, vendor, product; 1955 unsigned long driver_data = 0; 1956 int ret; 1957 1958 ret = sscanf(buf, "%x %x %x %lx", 1959 &bus, &vendor, &product, &driver_data); 1960 if (ret < 3) 1961 return -EINVAL; 1962 1963 dynid = kzalloc(sizeof(*dynid), GFP_KERNEL); 1964 if (!dynid) 1965 return -ENOMEM; 1966 1967 dynid->id.bus = bus; 1968 dynid->id.group = HID_GROUP_ANY; 1969 dynid->id.vendor = vendor; 1970 dynid->id.product = product; 1971 dynid->id.driver_data = driver_data; 1972 1973 spin_lock(&hdrv->dyn_lock); 1974 list_add_tail(&dynid->list, &hdrv->dyn_list); 1975 spin_unlock(&hdrv->dyn_lock); 1976 1977 ret = driver_attach(&hdrv->driver); 1978 1979 return ret ? : count; 1980} 1981static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id); 1982 1983static void hid_free_dynids(struct hid_driver *hdrv) 1984{ 1985 struct hid_dynid *dynid, *n; 1986 1987 spin_lock(&hdrv->dyn_lock); 1988 list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) { 1989 list_del(&dynid->list); 1990 kfree(dynid); 1991 } 1992 spin_unlock(&hdrv->dyn_lock); 1993} 1994 1995static const struct hid_device_id *hid_match_device(struct hid_device *hdev, 1996 struct hid_driver *hdrv) 1997{ 1998 struct hid_dynid *dynid; 1999 2000 spin_lock(&hdrv->dyn_lock); 2001 list_for_each_entry(dynid, &hdrv->dyn_list, list) { 2002 if (hid_match_one_id(hdev, &dynid->id)) { 2003 spin_unlock(&hdrv->dyn_lock); 2004 return &dynid->id; 2005 } 2006 } 2007 spin_unlock(&hdrv->dyn_lock); 2008 2009 return hid_match_id(hdev, hdrv->id_table); 2010} 2011 2012static int hid_bus_match(struct device *dev, struct device_driver *drv) 2013{ 2014 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); 2015 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 2016 2017 return hid_match_device(hdev, hdrv) != NULL; 2018} 2019 2020static int hid_device_probe(struct device *dev) 2021{ 2022 struct hid_driver *hdrv = container_of(dev->driver, 2023 struct hid_driver, driver); 2024 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 2025 const struct hid_device_id *id; 2026 int ret = 0; 2027 2028 if (down_interruptible(&hdev->driver_lock)) 2029 return -EINTR; 2030 if (down_interruptible(&hdev->driver_input_lock)) { 2031 ret = -EINTR; 2032 goto unlock_driver_lock; 2033 } 2034 hdev->io_started = false; 2035 2036 if (!hdev->driver) { 2037 id = hid_match_device(hdev, hdrv); 2038 if (id == NULL) { 2039 ret = -ENODEV; 2040 goto unlock; 2041 } 2042 2043 hdev->driver = hdrv; 2044 if (hdrv->probe) { 2045 ret = hdrv->probe(hdev, id); 2046 } else { /* default probe */ 2047 ret = hid_open_report(hdev); 2048 if (!ret) 2049 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 2050 } 2051 if (ret) { 2052 hid_close_report(hdev); 2053 hdev->driver = NULL; 2054 } 2055 } 2056unlock: 2057 if (!hdev->io_started) 2058 up(&hdev->driver_input_lock); 2059unlock_driver_lock: 2060 up(&hdev->driver_lock); 2061 return ret; 2062} 2063 2064static int hid_device_remove(struct device *dev) 2065{ 2066 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 2067 struct hid_driver *hdrv; 2068 int ret = 0; 2069 2070 if (down_interruptible(&hdev->driver_lock)) 2071 return -EINTR; 2072 if (down_interruptible(&hdev->driver_input_lock)) { 2073 ret = -EINTR; 2074 goto unlock_driver_lock; 2075 } 2076 hdev->io_started = false; 2077 2078 hdrv = hdev->driver; 2079 if (hdrv) { 2080 if (hdrv->remove) 2081 hdrv->remove(hdev); 2082 else /* default remove */ 2083 hid_hw_stop(hdev); 2084 hid_close_report(hdev); 2085 hdev->driver = NULL; 2086 } 2087 2088 if (!hdev->io_started) 2089 up(&hdev->driver_input_lock); 2090unlock_driver_lock: 2091 up(&hdev->driver_lock); 2092 return ret; 2093} 2094 2095static ssize_t modalias_show(struct device *dev, struct device_attribute *a, 2096 char *buf) 2097{ 2098 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 2099 int len; 2100 2101 len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n", 2102 hdev->bus, hdev->group, hdev->vendor, hdev->product); 2103 2104 return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len; 2105} 2106static DEVICE_ATTR_RO(modalias); 2107 2108static struct attribute *hid_dev_attrs[] = { 2109 &dev_attr_modalias.attr, 2110 NULL, 2111}; 2112ATTRIBUTE_GROUPS(hid_dev); 2113 2114static int hid_uevent(struct device *dev, struct kobj_uevent_env *env) 2115{ 2116 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 2117 2118 if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X", 2119 hdev->bus, hdev->vendor, hdev->product)) 2120 return -ENOMEM; 2121 2122 if (add_uevent_var(env, "HID_NAME=%s", hdev->name)) 2123 return -ENOMEM; 2124 2125 if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys)) 2126 return -ENOMEM; 2127 2128 if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq)) 2129 return -ENOMEM; 2130 2131 if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X", 2132 hdev->bus, hdev->group, hdev->vendor, hdev->product)) 2133 return -ENOMEM; 2134 2135 return 0; 2136} 2137 2138static struct bus_type hid_bus_type = { 2139 .name = "hid", 2140 .dev_groups = hid_dev_groups, 2141 .match = hid_bus_match, 2142 .probe = hid_device_probe, 2143 .remove = hid_device_remove, 2144 .uevent = hid_uevent, 2145}; 2146 2147/* a list of devices that shouldn't be handled by HID core at all */ 2148static const struct hid_device_id hid_ignore_list[] = { 2149 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) }, 2150 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) }, 2151 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) }, 2152 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) }, 2153 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) }, 2154 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) }, 2155 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) }, 2156 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) }, 2157 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) }, 2158 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) }, 2159 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) }, 2160 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) }, 2161 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)}, 2162 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)}, 2163 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) }, 2164 { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) }, 2165 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) }, 2166 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) }, 2167 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) }, 2168 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) }, 2169 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) }, 2170 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) }, 2171 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) }, 2172 { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) }, 2173 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) }, 2174 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) }, 2175 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) }, 2176 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) }, 2177 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) }, 2178 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) }, 2179 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) }, 2180 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) }, 2181 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) }, 2182 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) }, 2183 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) }, 2184 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) }, 2185 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) }, 2186 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) }, 2187 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) }, 2188 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) }, 2189 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) }, 2190 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) }, 2191 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) }, 2192 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) }, 2193 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) }, 2194 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) }, 2195 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) }, 2196 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) }, 2197 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) }, 2198 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) }, 2199 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) }, 2200 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) }, 2201 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) }, 2202 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) }, 2203 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) }, 2204 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) }, 2205 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) }, 2206 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) }, 2207 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) }, 2208 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) }, 2209 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) }, 2210 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) }, 2211 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) }, 2212 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) }, 2213 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) }, 2214 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) }, 2215 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) }, 2216 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) }, 2217 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) }, 2218 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) }, 2219 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) }, 2220 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) }, 2221 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) }, 2222 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) }, 2223 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) }, 2224 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) }, 2225 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) }, 2226 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) }, 2227 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) }, 2228 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) }, 2229 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) }, 2230 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) }, 2231 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) }, 2232 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) }, 2233 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) }, 2234 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) }, 2235 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) }, 2236 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) }, 2237 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) }, 2238 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) }, 2239 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) }, 2240 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) }, 2241 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) }, 2242 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) }, 2243 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) }, 2244 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) }, 2245 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) }, 2246 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) }, 2247 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) }, 2248 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) }, 2249 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) }, 2250 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) }, 2251 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) }, 2252 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) }, 2253 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) }, 2254 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) }, 2255 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) }, 2256 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) }, 2257 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) }, 2258 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) }, 2259 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) }, 2260 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) }, 2261 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) }, 2262 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) }, 2263 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) }, 2264 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) }, 2265 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) }, 2266 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) }, 2267 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) }, 2268 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) }, 2269 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) }, 2270 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) }, 2271 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) }, 2272 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) }, 2273 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) }, 2274 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) }, 2275 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) }, 2276 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) }, 2277 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) }, 2278 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) }, 2279 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) }, 2280 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) }, 2281 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) }, 2282 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) }, 2283 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) }, 2284 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) }, 2285 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) }, 2286 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) }, 2287 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) }, 2288 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) }, 2289 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) }, 2290 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) }, 2291 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) }, 2292 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) }, 2293 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) }, 2294 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) }, 2295 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) }, 2296 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) }, 2297 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) }, 2298 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) }, 2299 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) }, 2300 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) }, 2301 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) }, 2302 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) }, 2303 { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) }, 2304 { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) }, 2305#if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE) 2306 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) }, 2307 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) }, 2308 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) }, 2309 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) }, 2310 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) }, 2311 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) }, 2312 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) }, 2313 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) }, 2314#endif 2315 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) }, 2316 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) }, 2317 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) }, 2318 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) }, 2319 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) }, 2320 { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) }, 2321 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) }, 2322 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) }, 2323 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) }, 2324 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) }, 2325 { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) }, 2326 { } 2327}; 2328 2329/** 2330 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer 2331 * 2332 * There are composite devices for which we want to ignore only a certain 2333 * interface. This is a list of devices for which only the mouse interface will 2334 * be ignored. This allows a dedicated driver to take care of the interface. 2335 */ 2336static const struct hid_device_id hid_mouse_ignore_list[] = { 2337 /* appletouch driver */ 2338 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, 2339 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, 2340 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, 2341 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, 2342 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, 2343 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, 2344 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, 2345 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, 2346 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, 2347 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, 2348 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, 2349 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, 2350 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, 2351 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, 2352 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, 2353 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, 2354 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, 2355 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, 2356 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, 2357 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, 2358 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, 2359 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, 2360 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, 2361 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) }, 2362 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) }, 2363 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) }, 2364 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) }, 2365 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) }, 2366 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) }, 2367 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) }, 2368 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) }, 2369 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) }, 2370 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) }, 2371 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) }, 2372 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) }, 2373 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) }, 2374 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) }, 2375 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) }, 2376 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) }, 2377 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) }, 2378 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) }, 2379 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, 2380 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, 2381 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, 2382 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) }, 2383 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) }, 2384 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) }, 2385 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) }, 2386 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) }, 2387 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) }, 2388 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, 2389 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, 2390 { } 2391}; 2392 2393bool hid_ignore(struct hid_device *hdev) 2394{ 2395 if (hdev->quirks & HID_QUIRK_NO_IGNORE) 2396 return false; 2397 if (hdev->quirks & HID_QUIRK_IGNORE) 2398 return true; 2399 2400 switch (hdev->vendor) { 2401 case USB_VENDOR_ID_CODEMERCS: 2402 /* ignore all Code Mercenaries IOWarrior devices */ 2403 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST && 2404 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST) 2405 return true; 2406 break; 2407 case USB_VENDOR_ID_LOGITECH: 2408 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST && 2409 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST) 2410 return true; 2411 /* 2412 * The Keene FM transmitter USB device has the same USB ID as 2413 * the Logitech AudioHub Speaker, but it should ignore the hid. 2414 * Check if the name is that of the Keene device. 2415 * For reference: the name of the AudioHub is 2416 * "HOLTEK AudioHub Speaker". 2417 */ 2418 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB && 2419 !strcmp(hdev->name, "HOLTEK B-LINK USB Audio ")) 2420 return true; 2421 break; 2422 case USB_VENDOR_ID_SOUNDGRAPH: 2423 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST && 2424 hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST) 2425 return true; 2426 break; 2427 case USB_VENDOR_ID_HANWANG: 2428 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST && 2429 hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST) 2430 return true; 2431 break; 2432 case USB_VENDOR_ID_JESS: 2433 if (hdev->product == USB_DEVICE_ID_JESS_YUREX && 2434 hdev->type == HID_TYPE_USBNONE) 2435 return true; 2436 break; 2437 case USB_VENDOR_ID_VELLEMAN: 2438 /* These are not HID devices. They are handled by comedi. */ 2439 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST && 2440 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) || 2441 (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST && 2442 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST)) 2443 return true; 2444 break; 2445 case USB_VENDOR_ID_ATMEL_V_USB: 2446 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and 2447 * it has the same USB ID as many Atmel V-USB devices. This 2448 * usb radio is handled by radio-ma901.c driver so we want 2449 * ignore the hid. Check the name, bus, product and ignore 2450 * if we have MA901 usb radio. 2451 */ 2452 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB && 2453 hdev->bus == BUS_USB && 2454 strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0) 2455 return true; 2456 break; 2457 } 2458 2459 if (hdev->type == HID_TYPE_USBMOUSE && 2460 hid_match_id(hdev, hid_mouse_ignore_list)) 2461 return true; 2462 2463 return !!hid_match_id(hdev, hid_ignore_list); 2464} 2465EXPORT_SYMBOL_GPL(hid_ignore); 2466 2467int hid_add_device(struct hid_device *hdev) 2468{ 2469 static atomic_t id = ATOMIC_INIT(0); 2470 int ret; 2471 2472 if (WARN_ON(hdev->status & HID_STAT_ADDED)) 2473 return -EBUSY; 2474 2475 /* we need to kill them here, otherwise they will stay allocated to 2476 * wait for coming driver */ 2477 if (hid_ignore(hdev)) 2478 return -ENODEV; 2479 2480 /* 2481 * Check for the mandatory transport channel. 2482 */ 2483 if (!hdev->ll_driver->raw_request) { 2484 hid_err(hdev, "transport driver missing .raw_request()\n"); 2485 return -EINVAL; 2486 } 2487 2488 /* 2489 * Read the device report descriptor once and use as template 2490 * for the driver-specific modifications. 2491 */ 2492 ret = hdev->ll_driver->parse(hdev); 2493 if (ret) 2494 return ret; 2495 if (!hdev->dev_rdesc) 2496 return -ENODEV; 2497 2498 /* 2499 * Scan generic devices for group information 2500 */ 2501 if (hid_ignore_special_drivers || 2502 !hid_match_id(hdev, hid_have_special_driver)) { 2503 ret = hid_scan_report(hdev); 2504 if (ret) 2505 hid_warn(hdev, "bad device descriptor (%d)\n", ret); 2506 } 2507 2508 /* XXX hack, any other cleaner solution after the driver core 2509 * is converted to allow more than 20 bytes as the device name? */ 2510 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus, 2511 hdev->vendor, hdev->product, atomic_inc_return(&id)); 2512 2513 hid_debug_register(hdev, dev_name(&hdev->dev)); 2514 ret = device_add(&hdev->dev); 2515 if (!ret) 2516 hdev->status |= HID_STAT_ADDED; 2517 else 2518 hid_debug_unregister(hdev); 2519 2520 return ret; 2521} 2522EXPORT_SYMBOL_GPL(hid_add_device); 2523 2524/** 2525 * hid_allocate_device - allocate new hid device descriptor 2526 * 2527 * Allocate and initialize hid device, so that hid_destroy_device might be 2528 * used to free it. 2529 * 2530 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded 2531 * error value. 2532 */ 2533struct hid_device *hid_allocate_device(void) 2534{ 2535 struct hid_device *hdev; 2536 int ret = -ENOMEM; 2537 2538 hdev = kzalloc(sizeof(*hdev), GFP_KERNEL); 2539 if (hdev == NULL) 2540 return ERR_PTR(ret); 2541 2542 device_initialize(&hdev->dev); 2543 hdev->dev.release = hid_device_release; 2544 hdev->dev.bus = &hid_bus_type; 2545 2546 hid_close_report(hdev); 2547 2548 init_waitqueue_head(&hdev->debug_wait); 2549 INIT_LIST_HEAD(&hdev->debug_list); 2550 spin_lock_init(&hdev->debug_list_lock); 2551 sema_init(&hdev->driver_lock, 1); 2552 sema_init(&hdev->driver_input_lock, 1); 2553 2554 return hdev; 2555} 2556EXPORT_SYMBOL_GPL(hid_allocate_device); 2557 2558static void hid_remove_device(struct hid_device *hdev) 2559{ 2560 if (hdev->status & HID_STAT_ADDED) { 2561 device_del(&hdev->dev); 2562 hid_debug_unregister(hdev); 2563 hdev->status &= ~HID_STAT_ADDED; 2564 } 2565 kfree(hdev->dev_rdesc); 2566 hdev->dev_rdesc = NULL; 2567 hdev->dev_rsize = 0; 2568} 2569 2570/** 2571 * hid_destroy_device - free previously allocated device 2572 * 2573 * @hdev: hid device 2574 * 2575 * If you allocate hid_device through hid_allocate_device, you should ever 2576 * free by this function. 2577 */ 2578void hid_destroy_device(struct hid_device *hdev) 2579{ 2580 hid_remove_device(hdev); 2581 put_device(&hdev->dev); 2582} 2583EXPORT_SYMBOL_GPL(hid_destroy_device); 2584 2585int __hid_register_driver(struct hid_driver *hdrv, struct module *owner, 2586 const char *mod_name) 2587{ 2588 int ret; 2589 2590 hdrv->driver.name = hdrv->name; 2591 hdrv->driver.bus = &hid_bus_type; 2592 hdrv->driver.owner = owner; 2593 hdrv->driver.mod_name = mod_name; 2594 2595 INIT_LIST_HEAD(&hdrv->dyn_list); 2596 spin_lock_init(&hdrv->dyn_lock); 2597 2598 ret = driver_register(&hdrv->driver); 2599 if (ret) 2600 return ret; 2601 2602 ret = driver_create_file(&hdrv->driver, &driver_attr_new_id); 2603 if (ret) 2604 driver_unregister(&hdrv->driver); 2605 2606 return ret; 2607} 2608EXPORT_SYMBOL_GPL(__hid_register_driver); 2609 2610void hid_unregister_driver(struct hid_driver *hdrv) 2611{ 2612 driver_remove_file(&hdrv->driver, &driver_attr_new_id); 2613 driver_unregister(&hdrv->driver); 2614 hid_free_dynids(hdrv); 2615} 2616EXPORT_SYMBOL_GPL(hid_unregister_driver); 2617 2618int hid_check_keys_pressed(struct hid_device *hid) 2619{ 2620 struct hid_input *hidinput; 2621 int i; 2622 2623 if (!(hid->claimed & HID_CLAIMED_INPUT)) 2624 return 0; 2625 2626 list_for_each_entry(hidinput, &hid->inputs, list) { 2627 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++) 2628 if (hidinput->input->key[i]) 2629 return 1; 2630 } 2631 2632 return 0; 2633} 2634 2635EXPORT_SYMBOL_GPL(hid_check_keys_pressed); 2636 2637static int __init hid_init(void) 2638{ 2639 int ret; 2640 2641 if (hid_debug) 2642 pr_warn("hid_debug is now used solely for parser and driver debugging.\n" 2643 "debugfs is now used for inspecting the device (report descriptor, reports)\n"); 2644 2645 ret = bus_register(&hid_bus_type); 2646 if (ret) { 2647 pr_err("can't register hid bus\n"); 2648 goto err; 2649 } 2650 2651 ret = hidraw_init(); 2652 if (ret) 2653 goto err_bus; 2654 2655 hid_debug_init(); 2656 2657 return 0; 2658err_bus: 2659 bus_unregister(&hid_bus_type); 2660err: 2661 return ret; 2662} 2663 2664static void __exit hid_exit(void) 2665{ 2666 hid_debug_exit(); 2667 hidraw_exit(); 2668 bus_unregister(&hid_bus_type); 2669} 2670 2671module_init(hid_init); 2672module_exit(hid_exit); 2673 2674MODULE_AUTHOR("Andreas Gal"); 2675MODULE_AUTHOR("Vojtech Pavlik"); 2676MODULE_AUTHOR("Jiri Kosina"); 2677MODULE_LICENSE(DRIVER_LICENSE); 2678 2679