1 /* 2 * HID support for Linux 3 * 4 * Copyright (c) 1999 Andreas Gal 5 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> 6 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc 7 * Copyright (c) 2006-2010 Jiri Kosina 8 */ 9 10 /* 11 * This program is free software; you can redistribute it and/or modify it 12 * under the terms of the GNU General Public License as published by the Free 13 * Software Foundation; either version 2 of the License, or (at your option) 14 * any later version. 15 */ 16 17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 18 19 #include <linux/module.h> 20 #include <linux/slab.h> 21 #include <linux/init.h> 22 #include <linux/kernel.h> 23 #include <linux/list.h> 24 #include <linux/mm.h> 25 #include <linux/spinlock.h> 26 #include <asm/unaligned.h> 27 #include <asm/byteorder.h> 28 #include <linux/input.h> 29 #include <linux/wait.h> 30 #include <linux/vmalloc.h> 31 #include <linux/sched.h> 32 #include <linux/semaphore.h> 33 34 #include <linux/hid.h> 35 #include <linux/hiddev.h> 36 #include <linux/hid-debug.h> 37 #include <linux/hidraw.h> 38 39 #include "hid-ids.h" 40 41 /* 42 * Version Information 43 */ 44 45 #define DRIVER_DESC "HID core driver" 46 #define DRIVER_LICENSE "GPL" 47 48 int hid_debug = 0; 49 module_param_named(debug, hid_debug, int, 0600); 50 MODULE_PARM_DESC(debug, "toggle HID debugging messages"); 51 EXPORT_SYMBOL_GPL(hid_debug); 52 53 /* 54 * Register a new report for a device. 55 */ 56 57 struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id) 58 { 59 struct hid_report_enum *report_enum = device->report_enum + type; 60 struct hid_report *report; 61 62 if (report_enum->report_id_hash[id]) 63 return report_enum->report_id_hash[id]; 64 65 report = kzalloc(sizeof(struct hid_report), GFP_KERNEL); 66 if (!report) 67 return NULL; 68 69 if (id != 0) 70 report_enum->numbered = 1; 71 72 report->id = id; 73 report->type = type; 74 report->size = 0; 75 report->device = device; 76 report_enum->report_id_hash[id] = report; 77 78 list_add_tail(&report->list, &report_enum->report_list); 79 80 return report; 81 } 82 EXPORT_SYMBOL_GPL(hid_register_report); 83 84 /* 85 * Register a new field for this report. 86 */ 87 88 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values) 89 { 90 struct hid_field *field; 91 92 if (report->maxfield == HID_MAX_FIELDS) { 93 hid_err(report->device, "too many fields in report\n"); 94 return NULL; 95 } 96 97 field = kzalloc((sizeof(struct hid_field) + 98 usages * sizeof(struct hid_usage) + 99 values * sizeof(unsigned)), GFP_KERNEL); 100 if (!field) 101 return NULL; 102 103 field->index = report->maxfield++; 104 report->field[field->index] = field; 105 field->usage = (struct hid_usage *)(field + 1); 106 field->value = (s32 *)(field->usage + usages); 107 field->report = report; 108 109 return field; 110 } 111 112 /* 113 * Open a collection. The type/usage is pushed on the stack. 114 */ 115 116 static int open_collection(struct hid_parser *parser, unsigned type) 117 { 118 struct hid_collection *collection; 119 unsigned usage; 120 121 usage = parser->local.usage[0]; 122 123 if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) { 124 hid_err(parser->device, "collection stack overflow\n"); 125 return -1; 126 } 127 128 if (parser->device->maxcollection == parser->device->collection_size) { 129 collection = kmalloc(sizeof(struct hid_collection) * 130 parser->device->collection_size * 2, GFP_KERNEL); 131 if (collection == NULL) { 132 hid_err(parser->device, "failed to reallocate collection array\n"); 133 return -1; 134 } 135 memcpy(collection, parser->device->collection, 136 sizeof(struct hid_collection) * 137 parser->device->collection_size); 138 memset(collection + parser->device->collection_size, 0, 139 sizeof(struct hid_collection) * 140 parser->device->collection_size); 141 kfree(parser->device->collection); 142 parser->device->collection = collection; 143 parser->device->collection_size *= 2; 144 } 145 146 parser->collection_stack[parser->collection_stack_ptr++] = 147 parser->device->maxcollection; 148 149 collection = parser->device->collection + 150 parser->device->maxcollection++; 151 collection->type = type; 152 collection->usage = usage; 153 collection->level = parser->collection_stack_ptr - 1; 154 155 if (type == HID_COLLECTION_APPLICATION) 156 parser->device->maxapplication++; 157 158 return 0; 159 } 160 161 /* 162 * Close a collection. 163 */ 164 165 static int close_collection(struct hid_parser *parser) 166 { 167 if (!parser->collection_stack_ptr) { 168 hid_err(parser->device, "collection stack underflow\n"); 169 return -1; 170 } 171 parser->collection_stack_ptr--; 172 return 0; 173 } 174 175 /* 176 * Climb up the stack, search for the specified collection type 177 * and return the usage. 178 */ 179 180 static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type) 181 { 182 struct hid_collection *collection = parser->device->collection; 183 int n; 184 185 for (n = parser->collection_stack_ptr - 1; n >= 0; n--) { 186 unsigned index = parser->collection_stack[n]; 187 if (collection[index].type == type) 188 return collection[index].usage; 189 } 190 return 0; /* we know nothing about this usage type */ 191 } 192 193 /* 194 * Add a usage to the temporary parser table. 195 */ 196 197 static int hid_add_usage(struct hid_parser *parser, unsigned usage) 198 { 199 if (parser->local.usage_index >= HID_MAX_USAGES) { 200 hid_err(parser->device, "usage index exceeded\n"); 201 return -1; 202 } 203 parser->local.usage[parser->local.usage_index] = usage; 204 parser->local.collection_index[parser->local.usage_index] = 205 parser->collection_stack_ptr ? 206 parser->collection_stack[parser->collection_stack_ptr - 1] : 0; 207 parser->local.usage_index++; 208 return 0; 209 } 210 211 /* 212 * Register a new field for this report. 213 */ 214 215 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags) 216 { 217 struct hid_report *report; 218 struct hid_field *field; 219 int usages; 220 unsigned offset; 221 int i; 222 223 report = hid_register_report(parser->device, report_type, parser->global.report_id); 224 if (!report) { 225 hid_err(parser->device, "hid_register_report failed\n"); 226 return -1; 227 } 228 229 if (parser->global.logical_maximum < parser->global.logical_minimum) { 230 hid_err(parser->device, "logical range invalid %d %d\n", 231 parser->global.logical_minimum, parser->global.logical_maximum); 232 return -1; 233 } 234 235 offset = report->size; 236 report->size += parser->global.report_size * parser->global.report_count; 237 238 if (!parser->local.usage_index) /* Ignore padding fields */ 239 return 0; 240 241 usages = max_t(int, parser->local.usage_index, parser->global.report_count); 242 243 field = hid_register_field(report, usages, parser->global.report_count); 244 if (!field) 245 return 0; 246 247 field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL); 248 field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL); 249 field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION); 250 251 for (i = 0; i < usages; i++) { 252 int j = i; 253 /* Duplicate the last usage we parsed if we have excess values */ 254 if (i >= parser->local.usage_index) 255 j = parser->local.usage_index - 1; 256 field->usage[i].hid = parser->local.usage[j]; 257 field->usage[i].collection_index = 258 parser->local.collection_index[j]; 259 } 260 261 field->maxusage = usages; 262 field->flags = flags; 263 field->report_offset = offset; 264 field->report_type = report_type; 265 field->report_size = parser->global.report_size; 266 field->report_count = parser->global.report_count; 267 field->logical_minimum = parser->global.logical_minimum; 268 field->logical_maximum = parser->global.logical_maximum; 269 field->physical_minimum = parser->global.physical_minimum; 270 field->physical_maximum = parser->global.physical_maximum; 271 field->unit_exponent = parser->global.unit_exponent; 272 field->unit = parser->global.unit; 273 274 return 0; 275 } 276 277 /* 278 * Read data value from item. 279 */ 280 281 static u32 item_udata(struct hid_item *item) 282 { 283 switch (item->size) { 284 case 1: return item->data.u8; 285 case 2: return item->data.u16; 286 case 4: return item->data.u32; 287 } 288 return 0; 289 } 290 291 static s32 item_sdata(struct hid_item *item) 292 { 293 switch (item->size) { 294 case 1: return item->data.s8; 295 case 2: return item->data.s16; 296 case 4: return item->data.s32; 297 } 298 return 0; 299 } 300 301 /* 302 * Process a global item. 303 */ 304 305 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item) 306 { 307 switch (item->tag) { 308 case HID_GLOBAL_ITEM_TAG_PUSH: 309 310 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) { 311 hid_err(parser->device, "global environment stack overflow\n"); 312 return -1; 313 } 314 315 memcpy(parser->global_stack + parser->global_stack_ptr++, 316 &parser->global, sizeof(struct hid_global)); 317 return 0; 318 319 case HID_GLOBAL_ITEM_TAG_POP: 320 321 if (!parser->global_stack_ptr) { 322 hid_err(parser->device, "global environment stack underflow\n"); 323 return -1; 324 } 325 326 memcpy(&parser->global, parser->global_stack + 327 --parser->global_stack_ptr, sizeof(struct hid_global)); 328 return 0; 329 330 case HID_GLOBAL_ITEM_TAG_USAGE_PAGE: 331 parser->global.usage_page = item_udata(item); 332 return 0; 333 334 case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM: 335 parser->global.logical_minimum = item_sdata(item); 336 return 0; 337 338 case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM: 339 if (parser->global.logical_minimum < 0) 340 parser->global.logical_maximum = item_sdata(item); 341 else 342 parser->global.logical_maximum = item_udata(item); 343 return 0; 344 345 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM: 346 parser->global.physical_minimum = item_sdata(item); 347 return 0; 348 349 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM: 350 if (parser->global.physical_minimum < 0) 351 parser->global.physical_maximum = item_sdata(item); 352 else 353 parser->global.physical_maximum = item_udata(item); 354 return 0; 355 356 case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT: 357 parser->global.unit_exponent = item_sdata(item); 358 return 0; 359 360 case HID_GLOBAL_ITEM_TAG_UNIT: 361 parser->global.unit = item_udata(item); 362 return 0; 363 364 case HID_GLOBAL_ITEM_TAG_REPORT_SIZE: 365 parser->global.report_size = item_udata(item); 366 if (parser->global.report_size > 96) { 367 hid_err(parser->device, "invalid report_size %d\n", 368 parser->global.report_size); 369 return -1; 370 } 371 return 0; 372 373 case HID_GLOBAL_ITEM_TAG_REPORT_COUNT: 374 parser->global.report_count = item_udata(item); 375 if (parser->global.report_count > HID_MAX_USAGES) { 376 hid_err(parser->device, "invalid report_count %d\n", 377 parser->global.report_count); 378 return -1; 379 } 380 return 0; 381 382 case HID_GLOBAL_ITEM_TAG_REPORT_ID: 383 parser->global.report_id = item_udata(item); 384 if (parser->global.report_id == 0) { 385 hid_err(parser->device, "report_id 0 is invalid\n"); 386 return -1; 387 } 388 return 0; 389 390 default: 391 hid_err(parser->device, "unknown global tag 0x%x\n", item->tag); 392 return -1; 393 } 394 } 395 396 /* 397 * Process a local item. 398 */ 399 400 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item) 401 { 402 __u32 data; 403 unsigned n; 404 405 data = item_udata(item); 406 407 switch (item->tag) { 408 case HID_LOCAL_ITEM_TAG_DELIMITER: 409 410 if (data) { 411 /* 412 * We treat items before the first delimiter 413 * as global to all usage sets (branch 0). 414 * In the moment we process only these global 415 * items and the first delimiter set. 416 */ 417 if (parser->local.delimiter_depth != 0) { 418 hid_err(parser->device, "nested delimiters\n"); 419 return -1; 420 } 421 parser->local.delimiter_depth++; 422 parser->local.delimiter_branch++; 423 } else { 424 if (parser->local.delimiter_depth < 1) { 425 hid_err(parser->device, "bogus close delimiter\n"); 426 return -1; 427 } 428 parser->local.delimiter_depth--; 429 } 430 return 1; 431 432 case HID_LOCAL_ITEM_TAG_USAGE: 433 434 if (parser->local.delimiter_branch > 1) { 435 dbg_hid("alternative usage ignored\n"); 436 return 0; 437 } 438 439 if (item->size <= 2) 440 data = (parser->global.usage_page << 16) + data; 441 442 return hid_add_usage(parser, data); 443 444 case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM: 445 446 if (parser->local.delimiter_branch > 1) { 447 dbg_hid("alternative usage ignored\n"); 448 return 0; 449 } 450 451 if (item->size <= 2) 452 data = (parser->global.usage_page << 16) + data; 453 454 parser->local.usage_minimum = data; 455 return 0; 456 457 case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM: 458 459 if (parser->local.delimiter_branch > 1) { 460 dbg_hid("alternative usage ignored\n"); 461 return 0; 462 } 463 464 if (item->size <= 2) 465 data = (parser->global.usage_page << 16) + data; 466 467 for (n = parser->local.usage_minimum; n <= data; n++) 468 if (hid_add_usage(parser, n)) { 469 dbg_hid("hid_add_usage failed\n"); 470 return -1; 471 } 472 return 0; 473 474 default: 475 476 dbg_hid("unknown local item tag 0x%x\n", item->tag); 477 return 0; 478 } 479 return 0; 480 } 481 482 /* 483 * Process a main item. 484 */ 485 486 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item) 487 { 488 __u32 data; 489 int ret; 490 491 data = item_udata(item); 492 493 switch (item->tag) { 494 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION: 495 ret = open_collection(parser, data & 0xff); 496 break; 497 case HID_MAIN_ITEM_TAG_END_COLLECTION: 498 ret = close_collection(parser); 499 break; 500 case HID_MAIN_ITEM_TAG_INPUT: 501 ret = hid_add_field(parser, HID_INPUT_REPORT, data); 502 break; 503 case HID_MAIN_ITEM_TAG_OUTPUT: 504 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data); 505 break; 506 case HID_MAIN_ITEM_TAG_FEATURE: 507 ret = hid_add_field(parser, HID_FEATURE_REPORT, data); 508 break; 509 default: 510 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag); 511 ret = 0; 512 } 513 514 memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */ 515 516 return ret; 517 } 518 519 /* 520 * Process a reserved item. 521 */ 522 523 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item) 524 { 525 dbg_hid("reserved item type, tag 0x%x\n", item->tag); 526 return 0; 527 } 528 529 /* 530 * Free a report and all registered fields. The field->usage and 531 * field->value table's are allocated behind the field, so we need 532 * only to free(field) itself. 533 */ 534 535 static void hid_free_report(struct hid_report *report) 536 { 537 unsigned n; 538 539 for (n = 0; n < report->maxfield; n++) 540 kfree(report->field[n]); 541 kfree(report); 542 } 543 544 /* 545 * Free a device structure, all reports, and all fields. 546 */ 547 548 static void hid_device_release(struct device *dev) 549 { 550 struct hid_device *device = container_of(dev, struct hid_device, dev); 551 unsigned i, j; 552 553 for (i = 0; i < HID_REPORT_TYPES; i++) { 554 struct hid_report_enum *report_enum = device->report_enum + i; 555 556 for (j = 0; j < 256; j++) { 557 struct hid_report *report = report_enum->report_id_hash[j]; 558 if (report) 559 hid_free_report(report); 560 } 561 } 562 563 kfree(device->rdesc); 564 kfree(device->collection); 565 kfree(device); 566 } 567 568 /* 569 * Fetch a report description item from the data stream. We support long 570 * items, though they are not used yet. 571 */ 572 573 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item) 574 { 575 u8 b; 576 577 if ((end - start) <= 0) 578 return NULL; 579 580 b = *start++; 581 582 item->type = (b >> 2) & 3; 583 item->tag = (b >> 4) & 15; 584 585 if (item->tag == HID_ITEM_TAG_LONG) { 586 587 item->format = HID_ITEM_FORMAT_LONG; 588 589 if ((end - start) < 2) 590 return NULL; 591 592 item->size = *start++; 593 item->tag = *start++; 594 595 if ((end - start) < item->size) 596 return NULL; 597 598 item->data.longdata = start; 599 start += item->size; 600 return start; 601 } 602 603 item->format = HID_ITEM_FORMAT_SHORT; 604 item->size = b & 3; 605 606 switch (item->size) { 607 case 0: 608 return start; 609 610 case 1: 611 if ((end - start) < 1) 612 return NULL; 613 item->data.u8 = *start++; 614 return start; 615 616 case 2: 617 if ((end - start) < 2) 618 return NULL; 619 item->data.u16 = get_unaligned_le16(start); 620 start = (__u8 *)((__le16 *)start + 1); 621 return start; 622 623 case 3: 624 item->size++; 625 if ((end - start) < 4) 626 return NULL; 627 item->data.u32 = get_unaligned_le32(start); 628 start = (__u8 *)((__le32 *)start + 1); 629 return start; 630 } 631 632 return NULL; 633 } 634 635 /** 636 * hid_parse_report - parse device report 637 * 638 * @device: hid device 639 * @start: report start 640 * @size: report size 641 * 642 * Parse a report description into a hid_device structure. Reports are 643 * enumerated, fields are attached to these reports. 644 * 0 returned on success, otherwise nonzero error value. 645 */ 646 int hid_parse_report(struct hid_device *device, __u8 *start, 647 unsigned size) 648 { 649 struct hid_parser *parser; 650 struct hid_item item; 651 __u8 *end; 652 int ret; 653 static int (*dispatch_type[])(struct hid_parser *parser, 654 struct hid_item *item) = { 655 hid_parser_main, 656 hid_parser_global, 657 hid_parser_local, 658 hid_parser_reserved 659 }; 660 661 if (device->driver->report_fixup) 662 start = device->driver->report_fixup(device, start, &size); 663 664 device->rdesc = kmemdup(start, size, GFP_KERNEL); 665 if (device->rdesc == NULL) 666 return -ENOMEM; 667 device->rsize = size; 668 669 parser = vzalloc(sizeof(struct hid_parser)); 670 if (!parser) { 671 ret = -ENOMEM; 672 goto err; 673 } 674 675 parser->device = device; 676 677 end = start + size; 678 ret = -EINVAL; 679 while ((start = fetch_item(start, end, &item)) != NULL) { 680 681 if (item.format != HID_ITEM_FORMAT_SHORT) { 682 hid_err(device, "unexpected long global item\n"); 683 goto err; 684 } 685 686 if (dispatch_type[item.type](parser, &item)) { 687 hid_err(device, "item %u %u %u %u parsing failed\n", 688 item.format, (unsigned)item.size, 689 (unsigned)item.type, (unsigned)item.tag); 690 goto err; 691 } 692 693 if (start == end) { 694 if (parser->collection_stack_ptr) { 695 hid_err(device, "unbalanced collection at end of report description\n"); 696 goto err; 697 } 698 if (parser->local.delimiter_depth) { 699 hid_err(device, "unbalanced delimiter at end of report description\n"); 700 goto err; 701 } 702 vfree(parser); 703 return 0; 704 } 705 } 706 707 hid_err(device, "item fetching failed at offset %d\n", (int)(end - start)); 708 err: 709 vfree(parser); 710 return ret; 711 } 712 EXPORT_SYMBOL_GPL(hid_parse_report); 713 714 /* 715 * Convert a signed n-bit integer to signed 32-bit integer. Common 716 * cases are done through the compiler, the screwed things has to be 717 * done by hand. 718 */ 719 720 static s32 snto32(__u32 value, unsigned n) 721 { 722 switch (n) { 723 case 8: return ((__s8)value); 724 case 16: return ((__s16)value); 725 case 32: return ((__s32)value); 726 } 727 return value & (1 << (n - 1)) ? value | (-1 << n) : value; 728 } 729 730 /* 731 * Convert a signed 32-bit integer to a signed n-bit integer. 732 */ 733 734 static u32 s32ton(__s32 value, unsigned n) 735 { 736 s32 a = value >> (n - 1); 737 if (a && a != -1) 738 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1; 739 return value & ((1 << n) - 1); 740 } 741 742 /* 743 * Extract/implement a data field from/to a little endian report (bit array). 744 * 745 * Code sort-of follows HID spec: 746 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf 747 * 748 * While the USB HID spec allows unlimited length bit fields in "report 749 * descriptors", most devices never use more than 16 bits. 750 * One model of UPS is claimed to report "LINEV" as a 32-bit field. 751 * Search linux-kernel and linux-usb-devel archives for "hid-core extract". 752 */ 753 754 static __u32 extract(const struct hid_device *hid, __u8 *report, 755 unsigned offset, unsigned n) 756 { 757 u64 x; 758 759 if (n > 32) 760 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n", 761 n, current->comm); 762 763 report += offset >> 3; /* adjust byte index */ 764 offset &= 7; /* now only need bit offset into one byte */ 765 x = get_unaligned_le64(report); 766 x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */ 767 return (u32) x; 768 } 769 770 /* 771 * "implement" : set bits in a little endian bit stream. 772 * Same concepts as "extract" (see comments above). 773 * The data mangled in the bit stream remains in little endian 774 * order the whole time. It make more sense to talk about 775 * endianness of register values by considering a register 776 * a "cached" copy of the little endiad bit stream. 777 */ 778 static void implement(const struct hid_device *hid, __u8 *report, 779 unsigned offset, unsigned n, __u32 value) 780 { 781 u64 x; 782 u64 m = (1ULL << n) - 1; 783 784 if (n > 32) 785 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n", 786 __func__, n, current->comm); 787 788 if (value > m) 789 hid_warn(hid, "%s() called with too large value %d! (%s)\n", 790 __func__, value, current->comm); 791 WARN_ON(value > m); 792 value &= m; 793 794 report += offset >> 3; 795 offset &= 7; 796 797 x = get_unaligned_le64(report); 798 x &= ~(m << offset); 799 x |= ((u64)value) << offset; 800 put_unaligned_le64(x, report); 801 } 802 803 /* 804 * Search an array for a value. 805 */ 806 807 static int search(__s32 *array, __s32 value, unsigned n) 808 { 809 while (n--) { 810 if (*array++ == value) 811 return 0; 812 } 813 return -1; 814 } 815 816 /** 817 * hid_match_report - check if driver's raw_event should be called 818 * 819 * @hid: hid device 820 * @report_type: type to match against 821 * 822 * compare hid->driver->report_table->report_type to report->type 823 */ 824 static int hid_match_report(struct hid_device *hid, struct hid_report *report) 825 { 826 const struct hid_report_id *id = hid->driver->report_table; 827 828 if (!id) /* NULL means all */ 829 return 1; 830 831 for (; id->report_type != HID_TERMINATOR; id++) 832 if (id->report_type == HID_ANY_ID || 833 id->report_type == report->type) 834 return 1; 835 return 0; 836 } 837 838 /** 839 * hid_match_usage - check if driver's event should be called 840 * 841 * @hid: hid device 842 * @usage: usage to match against 843 * 844 * compare hid->driver->usage_table->usage_{type,code} to 845 * usage->usage_{type,code} 846 */ 847 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage) 848 { 849 const struct hid_usage_id *id = hid->driver->usage_table; 850 851 if (!id) /* NULL means all */ 852 return 1; 853 854 for (; id->usage_type != HID_ANY_ID - 1; id++) 855 if ((id->usage_hid == HID_ANY_ID || 856 id->usage_hid == usage->hid) && 857 (id->usage_type == HID_ANY_ID || 858 id->usage_type == usage->type) && 859 (id->usage_code == HID_ANY_ID || 860 id->usage_code == usage->code)) 861 return 1; 862 return 0; 863 } 864 865 static void hid_process_event(struct hid_device *hid, struct hid_field *field, 866 struct hid_usage *usage, __s32 value, int interrupt) 867 { 868 struct hid_driver *hdrv = hid->driver; 869 int ret; 870 871 hid_dump_input(hid, usage, value); 872 873 if (hdrv && hdrv->event && hid_match_usage(hid, usage)) { 874 ret = hdrv->event(hid, field, usage, value); 875 if (ret != 0) { 876 if (ret < 0) 877 hid_err(hid, "%s's event failed with %d\n", 878 hdrv->name, ret); 879 return; 880 } 881 } 882 883 if (hid->claimed & HID_CLAIMED_INPUT) 884 hidinput_hid_event(hid, field, usage, value); 885 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event) 886 hid->hiddev_hid_event(hid, field, usage, value); 887 } 888 889 /* 890 * Analyse a received field, and fetch the data from it. The field 891 * content is stored for next report processing (we do differential 892 * reporting to the layer). 893 */ 894 895 static void hid_input_field(struct hid_device *hid, struct hid_field *field, 896 __u8 *data, int interrupt) 897 { 898 unsigned n; 899 unsigned count = field->report_count; 900 unsigned offset = field->report_offset; 901 unsigned size = field->report_size; 902 __s32 min = field->logical_minimum; 903 __s32 max = field->logical_maximum; 904 __s32 *value; 905 906 value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC); 907 if (!value) 908 return; 909 910 for (n = 0; n < count; n++) { 911 912 value[n] = min < 0 ? 913 snto32(extract(hid, data, offset + n * size, size), 914 size) : 915 extract(hid, data, offset + n * size, size); 916 917 /* Ignore report if ErrorRollOver */ 918 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) && 919 value[n] >= min && value[n] <= max && 920 field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1) 921 goto exit; 922 } 923 924 for (n = 0; n < count; n++) { 925 926 if (HID_MAIN_ITEM_VARIABLE & field->flags) { 927 hid_process_event(hid, field, &field->usage[n], value[n], interrupt); 928 continue; 929 } 930 931 if (field->value[n] >= min && field->value[n] <= max 932 && field->usage[field->value[n] - min].hid 933 && search(value, field->value[n], count)) 934 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt); 935 936 if (value[n] >= min && value[n] <= max 937 && field->usage[value[n] - min].hid 938 && search(field->value, value[n], count)) 939 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt); 940 } 941 942 memcpy(field->value, value, count * sizeof(__s32)); 943 exit: 944 kfree(value); 945 } 946 947 /* 948 * Output the field into the report. 949 */ 950 951 static void hid_output_field(const struct hid_device *hid, 952 struct hid_field *field, __u8 *data) 953 { 954 unsigned count = field->report_count; 955 unsigned offset = field->report_offset; 956 unsigned size = field->report_size; 957 unsigned n; 958 959 for (n = 0; n < count; n++) { 960 if (field->logical_minimum < 0) /* signed values */ 961 implement(hid, data, offset + n * size, size, 962 s32ton(field->value[n], size)); 963 else /* unsigned values */ 964 implement(hid, data, offset + n * size, size, 965 field->value[n]); 966 } 967 } 968 969 /* 970 * Create a report. 971 */ 972 973 void hid_output_report(struct hid_report *report, __u8 *data) 974 { 975 unsigned n; 976 977 if (report->id > 0) 978 *data++ = report->id; 979 980 memset(data, 0, ((report->size - 1) >> 3) + 1); 981 for (n = 0; n < report->maxfield; n++) 982 hid_output_field(report->device, report->field[n], data); 983 } 984 EXPORT_SYMBOL_GPL(hid_output_report); 985 986 /* 987 * Set a field value. The report this field belongs to has to be 988 * created and transferred to the device, to set this value in the 989 * device. 990 */ 991 992 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value) 993 { 994 unsigned size = field->report_size; 995 996 hid_dump_input(field->report->device, field->usage + offset, value); 997 998 if (offset >= field->report_count) { 999 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n", 1000 offset, field->report_count); 1001 return -1; 1002 } 1003 if (field->logical_minimum < 0) { 1004 if (value != snto32(s32ton(value, size), size)) { 1005 hid_err(field->report->device, "value %d is out of range\n", value); 1006 return -1; 1007 } 1008 } 1009 field->value[offset] = value; 1010 return 0; 1011 } 1012 EXPORT_SYMBOL_GPL(hid_set_field); 1013 1014 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum, 1015 const u8 *data) 1016 { 1017 struct hid_report *report; 1018 unsigned int n = 0; /* Normally report number is 0 */ 1019 1020 /* Device uses numbered reports, data[0] is report number */ 1021 if (report_enum->numbered) 1022 n = *data; 1023 1024 report = report_enum->report_id_hash[n]; 1025 if (report == NULL) 1026 dbg_hid("undefined report_id %u received\n", n); 1027 1028 return report; 1029 } 1030 1031 void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, 1032 int interrupt) 1033 { 1034 struct hid_report_enum *report_enum = hid->report_enum + type; 1035 struct hid_report *report; 1036 unsigned int a; 1037 int rsize, csize = size; 1038 u8 *cdata = data; 1039 1040 report = hid_get_report(report_enum, data); 1041 if (!report) 1042 return; 1043 1044 if (report_enum->numbered) { 1045 cdata++; 1046 csize--; 1047 } 1048 1049 rsize = ((report->size - 1) >> 3) + 1; 1050 1051 if (rsize > HID_MAX_BUFFER_SIZE) 1052 rsize = HID_MAX_BUFFER_SIZE; 1053 1054 if (csize < rsize) { 1055 dbg_hid("report %d is too short, (%d < %d)\n", report->id, 1056 csize, rsize); 1057 memset(cdata + csize, 0, rsize - csize); 1058 } 1059 1060 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event) 1061 hid->hiddev_report_event(hid, report); 1062 if (hid->claimed & HID_CLAIMED_HIDRAW) 1063 hidraw_report_event(hid, data, size); 1064 1065 for (a = 0; a < report->maxfield; a++) 1066 hid_input_field(hid, report->field[a], cdata, interrupt); 1067 1068 if (hid->claimed & HID_CLAIMED_INPUT) 1069 hidinput_report_event(hid, report); 1070 } 1071 EXPORT_SYMBOL_GPL(hid_report_raw_event); 1072 1073 /** 1074 * hid_input_report - report data from lower layer (usb, bt...) 1075 * 1076 * @hid: hid device 1077 * @type: HID report type (HID_*_REPORT) 1078 * @data: report contents 1079 * @size: size of data parameter 1080 * @interrupt: distinguish between interrupt and control transfers 1081 * 1082 * This is data entry for lower layers. 1083 */ 1084 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt) 1085 { 1086 struct hid_report_enum *report_enum; 1087 struct hid_driver *hdrv; 1088 struct hid_report *report; 1089 char *buf; 1090 unsigned int i; 1091 int ret = 0; 1092 1093 if (!hid) 1094 return -ENODEV; 1095 1096 if (down_trylock(&hid->driver_lock)) 1097 return -EBUSY; 1098 1099 if (!hid->driver) { 1100 ret = -ENODEV; 1101 goto unlock; 1102 } 1103 report_enum = hid->report_enum + type; 1104 hdrv = hid->driver; 1105 1106 if (!size) { 1107 dbg_hid("empty report\n"); 1108 ret = -1; 1109 goto unlock; 1110 } 1111 1112 buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC); 1113 1114 if (!buf) 1115 goto nomem; 1116 1117 /* dump the report */ 1118 snprintf(buf, HID_DEBUG_BUFSIZE - 1, 1119 "\nreport (size %u) (%snumbered) = ", size, report_enum->numbered ? "" : "un"); 1120 hid_debug_event(hid, buf); 1121 1122 for (i = 0; i < size; i++) { 1123 snprintf(buf, HID_DEBUG_BUFSIZE - 1, 1124 " %02x", data[i]); 1125 hid_debug_event(hid, buf); 1126 } 1127 hid_debug_event(hid, "\n"); 1128 kfree(buf); 1129 1130 nomem: 1131 report = hid_get_report(report_enum, data); 1132 1133 if (!report) { 1134 ret = -1; 1135 goto unlock; 1136 } 1137 1138 if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) { 1139 ret = hdrv->raw_event(hid, report, data, size); 1140 if (ret != 0) { 1141 ret = ret < 0 ? ret : 0; 1142 goto unlock; 1143 } 1144 } 1145 1146 hid_report_raw_event(hid, type, data, size, interrupt); 1147 1148 unlock: 1149 up(&hid->driver_lock); 1150 return ret; 1151 } 1152 EXPORT_SYMBOL_GPL(hid_input_report); 1153 1154 static bool hid_match_one_id(struct hid_device *hdev, 1155 const struct hid_device_id *id) 1156 { 1157 return id->bus == hdev->bus && 1158 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) && 1159 (id->product == HID_ANY_ID || id->product == hdev->product); 1160 } 1161 1162 const struct hid_device_id *hid_match_id(struct hid_device *hdev, 1163 const struct hid_device_id *id) 1164 { 1165 for (; id->bus; id++) 1166 if (hid_match_one_id(hdev, id)) 1167 return id; 1168 1169 return NULL; 1170 } 1171 1172 static const struct hid_device_id hid_hiddev_list[] = { 1173 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) }, 1174 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) }, 1175 { } 1176 }; 1177 1178 static bool hid_hiddev(struct hid_device *hdev) 1179 { 1180 return !!hid_match_id(hdev, hid_hiddev_list); 1181 } 1182 1183 1184 static ssize_t 1185 read_report_descriptor(struct file *filp, struct kobject *kobj, 1186 struct bin_attribute *attr, 1187 char *buf, loff_t off, size_t count) 1188 { 1189 struct device *dev = container_of(kobj, struct device, kobj); 1190 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1191 1192 if (off >= hdev->rsize) 1193 return 0; 1194 1195 if (off + count > hdev->rsize) 1196 count = hdev->rsize - off; 1197 1198 memcpy(buf, hdev->rdesc + off, count); 1199 1200 return count; 1201 } 1202 1203 static struct bin_attribute dev_bin_attr_report_desc = { 1204 .attr = { .name = "report_descriptor", .mode = 0444 }, 1205 .read = read_report_descriptor, 1206 .size = HID_MAX_DESCRIPTOR_SIZE, 1207 }; 1208 1209 int hid_connect(struct hid_device *hdev, unsigned int connect_mask) 1210 { 1211 static const char *types[] = { "Device", "Pointer", "Mouse", "Device", 1212 "Joystick", "Gamepad", "Keyboard", "Keypad", 1213 "Multi-Axis Controller" 1214 }; 1215 const char *type, *bus; 1216 char buf[64]; 1217 unsigned int i; 1218 int len; 1219 int ret; 1220 1221 if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE) 1222 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV); 1223 if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE) 1224 connect_mask |= HID_CONNECT_HIDINPUT_FORCE; 1225 if (hdev->bus != BUS_USB) 1226 connect_mask &= ~HID_CONNECT_HIDDEV; 1227 if (hid_hiddev(hdev)) 1228 connect_mask |= HID_CONNECT_HIDDEV_FORCE; 1229 1230 if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev, 1231 connect_mask & HID_CONNECT_HIDINPUT_FORCE)) 1232 hdev->claimed |= HID_CLAIMED_INPUT; 1233 if (hdev->quirks & HID_QUIRK_MULTITOUCH) { 1234 /* this device should be handled by hid-multitouch, skip it */ 1235 hdev->quirks &= ~HID_QUIRK_MULTITOUCH; 1236 return -ENODEV; 1237 } 1238 1239 if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect && 1240 !hdev->hiddev_connect(hdev, 1241 connect_mask & HID_CONNECT_HIDDEV_FORCE)) 1242 hdev->claimed |= HID_CLAIMED_HIDDEV; 1243 if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev)) 1244 hdev->claimed |= HID_CLAIMED_HIDRAW; 1245 1246 if (!hdev->claimed) { 1247 hid_err(hdev, "claimed by neither input, hiddev nor hidraw\n"); 1248 return -ENODEV; 1249 } 1250 1251 if ((hdev->claimed & HID_CLAIMED_INPUT) && 1252 (connect_mask & HID_CONNECT_FF) && hdev->ff_init) 1253 hdev->ff_init(hdev); 1254 1255 len = 0; 1256 if (hdev->claimed & HID_CLAIMED_INPUT) 1257 len += sprintf(buf + len, "input"); 1258 if (hdev->claimed & HID_CLAIMED_HIDDEV) 1259 len += sprintf(buf + len, "%shiddev%d", len ? "," : "", 1260 hdev->minor); 1261 if (hdev->claimed & HID_CLAIMED_HIDRAW) 1262 len += sprintf(buf + len, "%shidraw%d", len ? "," : "", 1263 ((struct hidraw *)hdev->hidraw)->minor); 1264 1265 type = "Device"; 1266 for (i = 0; i < hdev->maxcollection; i++) { 1267 struct hid_collection *col = &hdev->collection[i]; 1268 if (col->type == HID_COLLECTION_APPLICATION && 1269 (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK && 1270 (col->usage & 0xffff) < ARRAY_SIZE(types)) { 1271 type = types[col->usage & 0xffff]; 1272 break; 1273 } 1274 } 1275 1276 switch (hdev->bus) { 1277 case BUS_USB: 1278 bus = "USB"; 1279 break; 1280 case BUS_BLUETOOTH: 1281 bus = "BLUETOOTH"; 1282 break; 1283 default: 1284 bus = "<UNKNOWN>"; 1285 } 1286 1287 ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc); 1288 if (ret) 1289 hid_warn(hdev, 1290 "can't create sysfs report descriptor attribute err: %d\n", ret); 1291 1292 hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n", 1293 buf, bus, hdev->version >> 8, hdev->version & 0xff, 1294 type, hdev->name, hdev->phys); 1295 1296 return 0; 1297 } 1298 EXPORT_SYMBOL_GPL(hid_connect); 1299 1300 void hid_disconnect(struct hid_device *hdev) 1301 { 1302 device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc); 1303 if (hdev->claimed & HID_CLAIMED_INPUT) 1304 hidinput_disconnect(hdev); 1305 if (hdev->claimed & HID_CLAIMED_HIDDEV) 1306 hdev->hiddev_disconnect(hdev); 1307 if (hdev->claimed & HID_CLAIMED_HIDRAW) 1308 hidraw_disconnect(hdev); 1309 } 1310 EXPORT_SYMBOL_GPL(hid_disconnect); 1311 1312 /* a list of devices for which there is a specialized driver on HID bus */ 1313 static const struct hid_device_id hid_have_special_driver[] = { 1314 { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M1968) }, 1315 { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M2256) }, 1316 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) }, 1317 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) }, 1318 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) }, 1319 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) }, 1320 { HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR, USB_DEVICE_ID_ACTIONSTAR_1011) }, 1321 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) }, 1322 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) }, 1323 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) }, 1324 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) }, 1325 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) }, 1326 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, 1327 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, 1328 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, 1329 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, 1330 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, 1331 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, 1332 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, 1333 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, 1334 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, 1335 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, 1336 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, 1337 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) }, 1338 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) }, 1339 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) }, 1340 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) }, 1341 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) }, 1342 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) }, 1343 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, 1344 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, 1345 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, 1346 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) }, 1347 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) }, 1348 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) }, 1349 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, 1350 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, 1351 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, 1352 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, 1353 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, 1354 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, 1355 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, 1356 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, 1357 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, 1358 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) }, 1359 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) }, 1360 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) }, 1361 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) }, 1362 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) }, 1363 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) }, 1364 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) }, 1365 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) }, 1366 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) }, 1367 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) }, 1368 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) }, 1369 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) }, 1370 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) }, 1371 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) }, 1372 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) }, 1373 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) }, 1374 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) }, 1375 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) }, 1376 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) }, 1377 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) }, 1378 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) }, 1379 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) }, 1380 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) }, 1381 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) }, 1382 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) }, 1383 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, 1384 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, 1385 { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_T91MT) }, 1386 { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, 1387 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) }, 1388 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) }, 1389 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) }, 1390 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, 1391 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, 1392 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) }, 1393 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) }, 1394 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, 1395 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, 1396 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) }, 1397 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, 1398 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) }, 1399 { HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, 1400 { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) }, 1401 { HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, USB_DEVICE_ID_CVTOUCH_SCREEN) }, 1402 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, 1403 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, 1404 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) }, 1405 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, 1406 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_TRUETOUCH) }, 1407 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) }, 1408 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) }, 1409 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, 1410 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, 1411 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, 1412 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, 1413 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, 1414 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, 1415 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, 1416 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) }, 1417 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2515) }, 1418 { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) }, 1419 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, 1420 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) }, 1421 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) }, 1422 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, 1423 { HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, USB_DEVICE_ID_GOODTOUCH_000f) }, 1424 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) }, 1425 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) }, 1426 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, 1427 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, 1428 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) }, 1429 { HID_USB_DEVICE(USB_VENDOR_ID_HANVON, USB_DEVICE_ID_HANVON_MULTITOUCH) }, 1430 { HID_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) }, 1431 { HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM, USB_DEVICE_ID_IDEACOM_IDC6650) }, 1432 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) }, 1433 { HID_USB_DEVICE(USB_VENDOR_ID_ILITEK, USB_DEVICE_ID_ILITEK_MULTITOUCH) }, 1434 { HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, USB_DEVICE_ID_IRTOUCH_INFRARED_USB) }, 1435 { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) }, 1436 { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) }, 1437 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) }, 1438 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, 1439 { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) }, 1440 { HID_USB_DEVICE(USB_VENDOR_ID_LG, USB_DEVICE_ID_LG_MULTITOUCH) }, 1441 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, 1442 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, 1443 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) }, 1444 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) }, 1445 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) }, 1446 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) }, 1447 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) }, 1448 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) }, 1449 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) }, 1450 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) }, 1451 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) }, 1452 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) }, 1453 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) }, 1454 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) }, 1455 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) }, 1456 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) }, 1457 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) }, 1458 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) }, 1459 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) }, 1460 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) }, 1461 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) }, 1462 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) }, 1463 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) }, 1464 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) }, 1465 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) }, 1466 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) }, 1467 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) }, 1468 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) }, 1469 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) }, 1470 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) }, 1471 { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH) }, 1472 { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH_DUAL) }, 1473 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) }, 1474 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) }, 1475 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) }, 1476 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) }, 1477 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) }, 1478 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) }, 1479 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, 1480 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) }, 1481 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, 1482 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, 1483 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) }, 1484 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) }, 1485 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) }, 1486 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) }, 1487 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) }, 1488 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) }, 1489 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) }, 1490 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) }, 1491 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) }, 1492 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) }, 1493 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) }, 1494 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) }, 1495 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) }, 1496 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) }, 1497 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) }, 1498 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) }, 1499 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) }, 1500 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) }, 1501 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) }, 1502 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, 1503 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, 1504 { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_PCI) }, 1505 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, 1506 { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) }, 1507 { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) }, 1508 { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) }, 1509 { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) }, 1510 { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) }, 1511 { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) }, 1512 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) }, 1513 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) }, 1514 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) }, 1515 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) }, 1516 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) }, 1517 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, 1518 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) }, 1519 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, 1520 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) }, 1521 { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, 1522 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, 1523 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) }, 1524 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, 1525 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) }, 1526 { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM, USB_DEVICE_ID_MTP) }, 1527 { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, USB_DEVICE_ID_MTP_STM) }, 1528 { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, USB_DEVICE_ID_MTP_SITRONIX) }, 1529 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, 1530 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) }, 1531 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) }, 1532 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) }, 1533 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) }, 1534 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) }, 1535 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) }, 1536 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) }, 1537 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) }, 1538 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) }, 1539 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) }, 1540 { HID_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, 1541 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) }, 1542 { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, 1543 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) }, 1544 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) }, 1545 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) }, 1546 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) }, 1547 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) }, 1548 { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, 1549 { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, 1550 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, 1551 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) }, 1552 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) }, 1553 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) }, 1554 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) }, 1555 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) }, 1556 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) }, 1557 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) }, 1558 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) }, 1559 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) }, 1560 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) }, 1561 { HID_USB_DEVICE(USB_VENDOR_ID_XAT, USB_DEVICE_ID_XAT_CSR) }, 1562 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX) }, 1563 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX) }, 1564 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR) }, 1565 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX1) }, 1566 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX1) }, 1567 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR1) }, 1568 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX2) }, 1569 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX2) }, 1570 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR2) }, 1571 { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) }, 1572 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) }, 1573 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) }, 1574 { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) }, 1575 1576 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) }, 1577 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) }, 1578 { } 1579 }; 1580 1581 struct hid_dynid { 1582 struct list_head list; 1583 struct hid_device_id id; 1584 }; 1585 1586 /** 1587 * store_new_id - add a new HID device ID to this driver and re-probe devices 1588 * @driver: target device driver 1589 * @buf: buffer for scanning device ID data 1590 * @count: input size 1591 * 1592 * Adds a new dynamic hid device ID to this driver, 1593 * and causes the driver to probe for all devices again. 1594 */ 1595 static ssize_t store_new_id(struct device_driver *drv, const char *buf, 1596 size_t count) 1597 { 1598 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); 1599 struct hid_dynid *dynid; 1600 __u32 bus, vendor, product; 1601 unsigned long driver_data = 0; 1602 int ret; 1603 1604 ret = sscanf(buf, "%x %x %x %lx", 1605 &bus, &vendor, &product, &driver_data); 1606 if (ret < 3) 1607 return -EINVAL; 1608 1609 dynid = kzalloc(sizeof(*dynid), GFP_KERNEL); 1610 if (!dynid) 1611 return -ENOMEM; 1612 1613 dynid->id.bus = bus; 1614 dynid->id.vendor = vendor; 1615 dynid->id.product = product; 1616 dynid->id.driver_data = driver_data; 1617 1618 spin_lock(&hdrv->dyn_lock); 1619 list_add_tail(&dynid->list, &hdrv->dyn_list); 1620 spin_unlock(&hdrv->dyn_lock); 1621 1622 ret = 0; 1623 if (get_driver(&hdrv->driver)) { 1624 ret = driver_attach(&hdrv->driver); 1625 put_driver(&hdrv->driver); 1626 } 1627 1628 return ret ? : count; 1629 } 1630 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id); 1631 1632 static void hid_free_dynids(struct hid_driver *hdrv) 1633 { 1634 struct hid_dynid *dynid, *n; 1635 1636 spin_lock(&hdrv->dyn_lock); 1637 list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) { 1638 list_del(&dynid->list); 1639 kfree(dynid); 1640 } 1641 spin_unlock(&hdrv->dyn_lock); 1642 } 1643 1644 static const struct hid_device_id *hid_match_device(struct hid_device *hdev, 1645 struct hid_driver *hdrv) 1646 { 1647 struct hid_dynid *dynid; 1648 1649 spin_lock(&hdrv->dyn_lock); 1650 list_for_each_entry(dynid, &hdrv->dyn_list, list) { 1651 if (hid_match_one_id(hdev, &dynid->id)) { 1652 spin_unlock(&hdrv->dyn_lock); 1653 return &dynid->id; 1654 } 1655 } 1656 spin_unlock(&hdrv->dyn_lock); 1657 1658 return hid_match_id(hdev, hdrv->id_table); 1659 } 1660 1661 static int hid_bus_match(struct device *dev, struct device_driver *drv) 1662 { 1663 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); 1664 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1665 1666 if (!hid_match_device(hdev, hdrv)) 1667 return 0; 1668 1669 /* generic wants all that don't have specialized driver */ 1670 if (!strncmp(hdrv->name, "generic-", 8)) 1671 return !hid_match_id(hdev, hid_have_special_driver); 1672 1673 return 1; 1674 } 1675 1676 static int hid_device_probe(struct device *dev) 1677 { 1678 struct hid_driver *hdrv = container_of(dev->driver, 1679 struct hid_driver, driver); 1680 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1681 const struct hid_device_id *id; 1682 int ret = 0; 1683 1684 if (down_interruptible(&hdev->driver_lock)) 1685 return -EINTR; 1686 1687 if (!hdev->driver) { 1688 id = hid_match_device(hdev, hdrv); 1689 if (id == NULL) { 1690 ret = -ENODEV; 1691 goto unlock; 1692 } 1693 1694 hdev->driver = hdrv; 1695 if (hdrv->probe) { 1696 ret = hdrv->probe(hdev, id); 1697 } else { /* default probe */ 1698 ret = hid_parse(hdev); 1699 if (!ret) 1700 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 1701 } 1702 if (ret) 1703 hdev->driver = NULL; 1704 } 1705 unlock: 1706 up(&hdev->driver_lock); 1707 return ret; 1708 } 1709 1710 static int hid_device_remove(struct device *dev) 1711 { 1712 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1713 struct hid_driver *hdrv; 1714 1715 if (down_interruptible(&hdev->driver_lock)) 1716 return -EINTR; 1717 1718 hdrv = hdev->driver; 1719 if (hdrv) { 1720 if (hdrv->remove) 1721 hdrv->remove(hdev); 1722 else /* default remove */ 1723 hid_hw_stop(hdev); 1724 hdev->driver = NULL; 1725 } 1726 1727 up(&hdev->driver_lock); 1728 return 0; 1729 } 1730 1731 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env) 1732 { 1733 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1734 1735 if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X", 1736 hdev->bus, hdev->vendor, hdev->product)) 1737 return -ENOMEM; 1738 1739 if (add_uevent_var(env, "HID_NAME=%s", hdev->name)) 1740 return -ENOMEM; 1741 1742 if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys)) 1743 return -ENOMEM; 1744 1745 if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq)) 1746 return -ENOMEM; 1747 1748 if (add_uevent_var(env, "MODALIAS=hid:b%04Xv%08Xp%08X", 1749 hdev->bus, hdev->vendor, hdev->product)) 1750 return -ENOMEM; 1751 1752 return 0; 1753 } 1754 1755 static struct bus_type hid_bus_type = { 1756 .name = "hid", 1757 .match = hid_bus_match, 1758 .probe = hid_device_probe, 1759 .remove = hid_device_remove, 1760 .uevent = hid_uevent, 1761 }; 1762 1763 /* a list of devices that shouldn't be handled by HID core at all */ 1764 static const struct hid_device_id hid_ignore_list[] = { 1765 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) }, 1766 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) }, 1767 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) }, 1768 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) }, 1769 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) }, 1770 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) }, 1771 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) }, 1772 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) }, 1773 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) }, 1774 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) }, 1775 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) }, 1776 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) }, 1777 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)}, 1778 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)}, 1779 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) }, 1780 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) }, 1781 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) }, 1782 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) }, 1783 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) }, 1784 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) }, 1785 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) }, 1786 { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) }, 1787 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) }, 1788 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) }, 1789 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) }, 1790 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) }, 1791 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) }, 1792 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) }, 1793 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) }, 1794 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) }, 1795 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) }, 1796 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) }, 1797 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) }, 1798 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) }, 1799 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) }, 1800 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) }, 1801 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) }, 1802 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) }, 1803 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) }, 1804 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) }, 1805 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) }, 1806 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) }, 1807 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) }, 1808 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) }, 1809 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) }, 1810 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) }, 1811 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) }, 1812 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) }, 1813 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) }, 1814 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) }, 1815 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) }, 1816 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) }, 1817 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) }, 1818 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) }, 1819 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) }, 1820 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) }, 1821 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) }, 1822 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) }, 1823 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) }, 1824 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) }, 1825 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) }, 1826 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) }, 1827 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) }, 1828 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) }, 1829 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) }, 1830 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) }, 1831 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) }, 1832 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) }, 1833 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) }, 1834 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) }, 1835 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) }, 1836 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) }, 1837 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) }, 1838 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) }, 1839 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) }, 1840 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) }, 1841 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) }, 1842 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) }, 1843 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) }, 1844 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) }, 1845 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) }, 1846 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) }, 1847 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) }, 1848 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) }, 1849 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) }, 1850 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) }, 1851 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) }, 1852 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) }, 1853 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) }, 1854 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) }, 1855 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) }, 1856 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) }, 1857 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) }, 1858 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) }, 1859 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) }, 1860 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) }, 1861 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) }, 1862 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) }, 1863 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) }, 1864 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) }, 1865 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) }, 1866 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) }, 1867 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) }, 1868 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) }, 1869 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) }, 1870 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) }, 1871 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) }, 1872 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) }, 1873 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) }, 1874 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) }, 1875 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) }, 1876 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) }, 1877 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) }, 1878 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) }, 1879 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) }, 1880 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) }, 1881 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) }, 1882 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) }, 1883 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) }, 1884 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) }, 1885 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) }, 1886 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) }, 1887 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) }, 1888 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) }, 1889 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) }, 1890 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) }, 1891 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) }, 1892 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) }, 1893 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) }, 1894 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) }, 1895 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) }, 1896 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) }, 1897 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) }, 1898 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) }, 1899 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) }, 1900 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) }, 1901 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) }, 1902 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) }, 1903 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) }, 1904 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) }, 1905 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) }, 1906 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) }, 1907 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) }, 1908 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) }, 1909 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) }, 1910 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) }, 1911 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) }, 1912 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) }, 1913 { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) }, 1914 { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) }, 1915 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) }, 1916 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) }, 1917 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) }, 1918 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) }, 1919 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) }, 1920 { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) }, 1921 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) }, 1922 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) }, 1923 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) }, 1924 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) }, 1925 { } 1926 }; 1927 1928 /** 1929 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer 1930 * 1931 * There are composite devices for which we want to ignore only a certain 1932 * interface. This is a list of devices for which only the mouse interface will 1933 * be ignored. This allows a dedicated driver to take care of the interface. 1934 */ 1935 static const struct hid_device_id hid_mouse_ignore_list[] = { 1936 /* appletouch driver */ 1937 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, 1938 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, 1939 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, 1940 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, 1941 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, 1942 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, 1943 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, 1944 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, 1945 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, 1946 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, 1947 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, 1948 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, 1949 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, 1950 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, 1951 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, 1952 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, 1953 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, 1954 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, 1955 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, 1956 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, 1957 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, 1958 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, 1959 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, 1960 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) }, 1961 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) }, 1962 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) }, 1963 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) }, 1964 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) }, 1965 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) }, 1966 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) }, 1967 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) }, 1968 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) }, 1969 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) }, 1970 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) }, 1971 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) }, 1972 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) }, 1973 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) }, 1974 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) }, 1975 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) }, 1976 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) }, 1977 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) }, 1978 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, 1979 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, 1980 { } 1981 }; 1982 1983 static bool hid_ignore(struct hid_device *hdev) 1984 { 1985 switch (hdev->vendor) { 1986 case USB_VENDOR_ID_CODEMERCS: 1987 /* ignore all Code Mercenaries IOWarrior devices */ 1988 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST && 1989 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST) 1990 return true; 1991 break; 1992 case USB_VENDOR_ID_LOGITECH: 1993 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST && 1994 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST) 1995 return true; 1996 break; 1997 case USB_VENDOR_ID_SOUNDGRAPH: 1998 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST && 1999 hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST) 2000 return true; 2001 break; 2002 case USB_VENDOR_ID_HANWANG: 2003 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST && 2004 hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST) 2005 return true; 2006 break; 2007 case USB_VENDOR_ID_JESS: 2008 if (hdev->product == USB_DEVICE_ID_JESS_YUREX && 2009 hdev->type == HID_TYPE_USBNONE) 2010 return true; 2011 break; 2012 } 2013 2014 if (hdev->type == HID_TYPE_USBMOUSE && 2015 hid_match_id(hdev, hid_mouse_ignore_list)) 2016 return true; 2017 2018 return !!hid_match_id(hdev, hid_ignore_list); 2019 } 2020 2021 int hid_add_device(struct hid_device *hdev) 2022 { 2023 static atomic_t id = ATOMIC_INIT(0); 2024 int ret; 2025 2026 if (WARN_ON(hdev->status & HID_STAT_ADDED)) 2027 return -EBUSY; 2028 2029 /* we need to kill them here, otherwise they will stay allocated to 2030 * wait for coming driver */ 2031 if (!(hdev->quirks & HID_QUIRK_NO_IGNORE) 2032 && (hid_ignore(hdev) || (hdev->quirks & HID_QUIRK_IGNORE))) 2033 return -ENODEV; 2034 2035 /* XXX hack, any other cleaner solution after the driver core 2036 * is converted to allow more than 20 bytes as the device name? */ 2037 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus, 2038 hdev->vendor, hdev->product, atomic_inc_return(&id)); 2039 2040 hid_debug_register(hdev, dev_name(&hdev->dev)); 2041 ret = device_add(&hdev->dev); 2042 if (!ret) 2043 hdev->status |= HID_STAT_ADDED; 2044 else 2045 hid_debug_unregister(hdev); 2046 2047 return ret; 2048 } 2049 EXPORT_SYMBOL_GPL(hid_add_device); 2050 2051 /** 2052 * hid_allocate_device - allocate new hid device descriptor 2053 * 2054 * Allocate and initialize hid device, so that hid_destroy_device might be 2055 * used to free it. 2056 * 2057 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded 2058 * error value. 2059 */ 2060 struct hid_device *hid_allocate_device(void) 2061 { 2062 struct hid_device *hdev; 2063 unsigned int i; 2064 int ret = -ENOMEM; 2065 2066 hdev = kzalloc(sizeof(*hdev), GFP_KERNEL); 2067 if (hdev == NULL) 2068 return ERR_PTR(ret); 2069 2070 device_initialize(&hdev->dev); 2071 hdev->dev.release = hid_device_release; 2072 hdev->dev.bus = &hid_bus_type; 2073 2074 hdev->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS, 2075 sizeof(struct hid_collection), GFP_KERNEL); 2076 if (hdev->collection == NULL) 2077 goto err; 2078 hdev->collection_size = HID_DEFAULT_NUM_COLLECTIONS; 2079 2080 for (i = 0; i < HID_REPORT_TYPES; i++) 2081 INIT_LIST_HEAD(&hdev->report_enum[i].report_list); 2082 2083 init_waitqueue_head(&hdev->debug_wait); 2084 INIT_LIST_HEAD(&hdev->debug_list); 2085 sema_init(&hdev->driver_lock, 1); 2086 2087 return hdev; 2088 err: 2089 put_device(&hdev->dev); 2090 return ERR_PTR(ret); 2091 } 2092 EXPORT_SYMBOL_GPL(hid_allocate_device); 2093 2094 static void hid_remove_device(struct hid_device *hdev) 2095 { 2096 if (hdev->status & HID_STAT_ADDED) { 2097 device_del(&hdev->dev); 2098 hid_debug_unregister(hdev); 2099 hdev->status &= ~HID_STAT_ADDED; 2100 } 2101 } 2102 2103 /** 2104 * hid_destroy_device - free previously allocated device 2105 * 2106 * @hdev: hid device 2107 * 2108 * If you allocate hid_device through hid_allocate_device, you should ever 2109 * free by this function. 2110 */ 2111 void hid_destroy_device(struct hid_device *hdev) 2112 { 2113 hid_remove_device(hdev); 2114 put_device(&hdev->dev); 2115 } 2116 EXPORT_SYMBOL_GPL(hid_destroy_device); 2117 2118 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner, 2119 const char *mod_name) 2120 { 2121 int ret; 2122 2123 hdrv->driver.name = hdrv->name; 2124 hdrv->driver.bus = &hid_bus_type; 2125 hdrv->driver.owner = owner; 2126 hdrv->driver.mod_name = mod_name; 2127 2128 INIT_LIST_HEAD(&hdrv->dyn_list); 2129 spin_lock_init(&hdrv->dyn_lock); 2130 2131 ret = driver_register(&hdrv->driver); 2132 if (ret) 2133 return ret; 2134 2135 ret = driver_create_file(&hdrv->driver, &driver_attr_new_id); 2136 if (ret) 2137 driver_unregister(&hdrv->driver); 2138 2139 return ret; 2140 } 2141 EXPORT_SYMBOL_GPL(__hid_register_driver); 2142 2143 void hid_unregister_driver(struct hid_driver *hdrv) 2144 { 2145 driver_remove_file(&hdrv->driver, &driver_attr_new_id); 2146 driver_unregister(&hdrv->driver); 2147 hid_free_dynids(hdrv); 2148 } 2149 EXPORT_SYMBOL_GPL(hid_unregister_driver); 2150 2151 int hid_check_keys_pressed(struct hid_device *hid) 2152 { 2153 struct hid_input *hidinput; 2154 int i; 2155 2156 if (!(hid->claimed & HID_CLAIMED_INPUT)) 2157 return 0; 2158 2159 list_for_each_entry(hidinput, &hid->inputs, list) { 2160 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++) 2161 if (hidinput->input->key[i]) 2162 return 1; 2163 } 2164 2165 return 0; 2166 } 2167 2168 EXPORT_SYMBOL_GPL(hid_check_keys_pressed); 2169 2170 static int __init hid_init(void) 2171 { 2172 int ret; 2173 2174 if (hid_debug) 2175 pr_warn("hid_debug is now used solely for parser and driver debugging.\n" 2176 "debugfs is now used for inspecting the device (report descriptor, reports)\n"); 2177 2178 ret = bus_register(&hid_bus_type); 2179 if (ret) { 2180 pr_err("can't register hid bus\n"); 2181 goto err; 2182 } 2183 2184 ret = hidraw_init(); 2185 if (ret) 2186 goto err_bus; 2187 2188 hid_debug_init(); 2189 2190 return 0; 2191 err_bus: 2192 bus_unregister(&hid_bus_type); 2193 err: 2194 return ret; 2195 } 2196 2197 static void __exit hid_exit(void) 2198 { 2199 hid_debug_exit(); 2200 hidraw_exit(); 2201 bus_unregister(&hid_bus_type); 2202 } 2203 2204 module_init(hid_init); 2205 module_exit(hid_exit); 2206 2207 MODULE_AUTHOR("Andreas Gal"); 2208 MODULE_AUTHOR("Vojtech Pavlik"); 2209 MODULE_AUTHOR("Jiri Kosina"); 2210 MODULE_LICENSE(DRIVER_LICENSE); 2211 2212