hid-core.c revision 4291ee305e9bb0699504a66f0e2b7aefcf0512a5
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 33#include <linux/hid.h> 34#include <linux/hiddev.h> 35#include <linux/hid-debug.h> 36#include <linux/hidraw.h> 37 38#include "hid-ids.h" 39 40/* 41 * Version Information 42 */ 43 44#define DRIVER_DESC "HID core driver" 45#define DRIVER_LICENSE "GPL" 46 47int hid_debug = 0; 48module_param_named(debug, hid_debug, int, 0600); 49MODULE_PARM_DESC(debug, "toggle HID debugging messages"); 50EXPORT_SYMBOL_GPL(hid_debug); 51 52/* 53 * Register a new report for a device. 54 */ 55 56struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id) 57{ 58 struct hid_report_enum *report_enum = device->report_enum + type; 59 struct hid_report *report; 60 61 if (report_enum->report_id_hash[id]) 62 return report_enum->report_id_hash[id]; 63 64 if (!(report = kzalloc(sizeof(struct hid_report), GFP_KERNEL))) 65 return NULL; 66 67 if (id != 0) 68 report_enum->numbered = 1; 69 70 report->id = id; 71 report->type = type; 72 report->size = 0; 73 report->device = device; 74 report_enum->report_id_hash[id] = report; 75 76 list_add_tail(&report->list, &report_enum->report_list); 77 78 return report; 79} 80EXPORT_SYMBOL_GPL(hid_register_report); 81 82/* 83 * Register a new field for this report. 84 */ 85 86static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values) 87{ 88 struct hid_field *field; 89 90 if (report->maxfield == HID_MAX_FIELDS) { 91 dbg_hid("too many fields in report\n"); 92 return NULL; 93 } 94 95 if (!(field = kzalloc(sizeof(struct hid_field) + usages * sizeof(struct hid_usage) 96 + values * sizeof(unsigned), GFP_KERNEL))) return NULL; 97 98 field->index = report->maxfield++; 99 report->field[field->index] = field; 100 field->usage = (struct hid_usage *)(field + 1); 101 field->value = (s32 *)(field->usage + usages); 102 field->report = report; 103 104 return field; 105} 106 107/* 108 * Open a collection. The type/usage is pushed on the stack. 109 */ 110 111static int open_collection(struct hid_parser *parser, unsigned type) 112{ 113 struct hid_collection *collection; 114 unsigned usage; 115 116 usage = parser->local.usage[0]; 117 118 if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) { 119 dbg_hid("collection stack overflow\n"); 120 return -1; 121 } 122 123 if (parser->device->maxcollection == parser->device->collection_size) { 124 collection = kmalloc(sizeof(struct hid_collection) * 125 parser->device->collection_size * 2, GFP_KERNEL); 126 if (collection == NULL) { 127 dbg_hid("failed to reallocate collection array\n"); 128 return -1; 129 } 130 memcpy(collection, parser->device->collection, 131 sizeof(struct hid_collection) * 132 parser->device->collection_size); 133 memset(collection + parser->device->collection_size, 0, 134 sizeof(struct hid_collection) * 135 parser->device->collection_size); 136 kfree(parser->device->collection); 137 parser->device->collection = collection; 138 parser->device->collection_size *= 2; 139 } 140 141 parser->collection_stack[parser->collection_stack_ptr++] = 142 parser->device->maxcollection; 143 144 collection = parser->device->collection + 145 parser->device->maxcollection++; 146 collection->type = type; 147 collection->usage = usage; 148 collection->level = parser->collection_stack_ptr - 1; 149 150 if (type == HID_COLLECTION_APPLICATION) 151 parser->device->maxapplication++; 152 153 return 0; 154} 155 156/* 157 * Close a collection. 158 */ 159 160static int close_collection(struct hid_parser *parser) 161{ 162 if (!parser->collection_stack_ptr) { 163 dbg_hid("collection stack underflow\n"); 164 return -1; 165 } 166 parser->collection_stack_ptr--; 167 return 0; 168} 169 170/* 171 * Climb up the stack, search for the specified collection type 172 * and return the usage. 173 */ 174 175static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type) 176{ 177 int n; 178 for (n = parser->collection_stack_ptr - 1; n >= 0; n--) 179 if (parser->device->collection[parser->collection_stack[n]].type == type) 180 return parser->device->collection[parser->collection_stack[n]].usage; 181 return 0; /* we know nothing about this usage type */ 182} 183 184/* 185 * Add a usage to the temporary parser table. 186 */ 187 188static int hid_add_usage(struct hid_parser *parser, unsigned usage) 189{ 190 if (parser->local.usage_index >= HID_MAX_USAGES) { 191 dbg_hid("usage index exceeded\n"); 192 return -1; 193 } 194 parser->local.usage[parser->local.usage_index] = usage; 195 parser->local.collection_index[parser->local.usage_index] = 196 parser->collection_stack_ptr ? 197 parser->collection_stack[parser->collection_stack_ptr - 1] : 0; 198 parser->local.usage_index++; 199 return 0; 200} 201 202/* 203 * Register a new field for this report. 204 */ 205 206static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags) 207{ 208 struct hid_report *report; 209 struct hid_field *field; 210 int usages; 211 unsigned offset; 212 int i; 213 214 if (!(report = hid_register_report(parser->device, report_type, parser->global.report_id))) { 215 dbg_hid("hid_register_report failed\n"); 216 return -1; 217 } 218 219 if (parser->global.logical_maximum < parser->global.logical_minimum) { 220 dbg_hid("logical range invalid %d %d\n", parser->global.logical_minimum, parser->global.logical_maximum); 221 return -1; 222 } 223 224 offset = report->size; 225 report->size += parser->global.report_size * parser->global.report_count; 226 227 if (!parser->local.usage_index) /* Ignore padding fields */ 228 return 0; 229 230 usages = max_t(int, parser->local.usage_index, parser->global.report_count); 231 232 if ((field = hid_register_field(report, usages, parser->global.report_count)) == NULL) 233 return 0; 234 235 field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL); 236 field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL); 237 field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION); 238 239 for (i = 0; i < usages; i++) { 240 int j = i; 241 /* Duplicate the last usage we parsed if we have excess values */ 242 if (i >= parser->local.usage_index) 243 j = parser->local.usage_index - 1; 244 field->usage[i].hid = parser->local.usage[j]; 245 field->usage[i].collection_index = 246 parser->local.collection_index[j]; 247 } 248 249 field->maxusage = usages; 250 field->flags = flags; 251 field->report_offset = offset; 252 field->report_type = report_type; 253 field->report_size = parser->global.report_size; 254 field->report_count = parser->global.report_count; 255 field->logical_minimum = parser->global.logical_minimum; 256 field->logical_maximum = parser->global.logical_maximum; 257 field->physical_minimum = parser->global.physical_minimum; 258 field->physical_maximum = parser->global.physical_maximum; 259 field->unit_exponent = parser->global.unit_exponent; 260 field->unit = parser->global.unit; 261 262 return 0; 263} 264 265/* 266 * Read data value from item. 267 */ 268 269static u32 item_udata(struct hid_item *item) 270{ 271 switch (item->size) { 272 case 1: return item->data.u8; 273 case 2: return item->data.u16; 274 case 4: return item->data.u32; 275 } 276 return 0; 277} 278 279static s32 item_sdata(struct hid_item *item) 280{ 281 switch (item->size) { 282 case 1: return item->data.s8; 283 case 2: return item->data.s16; 284 case 4: return item->data.s32; 285 } 286 return 0; 287} 288 289/* 290 * Process a global item. 291 */ 292 293static int hid_parser_global(struct hid_parser *parser, struct hid_item *item) 294{ 295 switch (item->tag) { 296 case HID_GLOBAL_ITEM_TAG_PUSH: 297 298 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) { 299 dbg_hid("global enviroment stack overflow\n"); 300 return -1; 301 } 302 303 memcpy(parser->global_stack + parser->global_stack_ptr++, 304 &parser->global, sizeof(struct hid_global)); 305 return 0; 306 307 case HID_GLOBAL_ITEM_TAG_POP: 308 309 if (!parser->global_stack_ptr) { 310 dbg_hid("global enviroment stack underflow\n"); 311 return -1; 312 } 313 314 memcpy(&parser->global, parser->global_stack + 315 --parser->global_stack_ptr, sizeof(struct hid_global)); 316 return 0; 317 318 case HID_GLOBAL_ITEM_TAG_USAGE_PAGE: 319 parser->global.usage_page = item_udata(item); 320 return 0; 321 322 case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM: 323 parser->global.logical_minimum = item_sdata(item); 324 return 0; 325 326 case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM: 327 if (parser->global.logical_minimum < 0) 328 parser->global.logical_maximum = item_sdata(item); 329 else 330 parser->global.logical_maximum = item_udata(item); 331 return 0; 332 333 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM: 334 parser->global.physical_minimum = item_sdata(item); 335 return 0; 336 337 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM: 338 if (parser->global.physical_minimum < 0) 339 parser->global.physical_maximum = item_sdata(item); 340 else 341 parser->global.physical_maximum = item_udata(item); 342 return 0; 343 344 case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT: 345 parser->global.unit_exponent = item_sdata(item); 346 return 0; 347 348 case HID_GLOBAL_ITEM_TAG_UNIT: 349 parser->global.unit = item_udata(item); 350 return 0; 351 352 case HID_GLOBAL_ITEM_TAG_REPORT_SIZE: 353 parser->global.report_size = item_udata(item); 354 if (parser->global.report_size > 32) { 355 dbg_hid("invalid report_size %d\n", 356 parser->global.report_size); 357 return -1; 358 } 359 return 0; 360 361 case HID_GLOBAL_ITEM_TAG_REPORT_COUNT: 362 parser->global.report_count = item_udata(item); 363 if (parser->global.report_count > HID_MAX_USAGES) { 364 dbg_hid("invalid report_count %d\n", 365 parser->global.report_count); 366 return -1; 367 } 368 return 0; 369 370 case HID_GLOBAL_ITEM_TAG_REPORT_ID: 371 parser->global.report_id = item_udata(item); 372 if (parser->global.report_id == 0) { 373 dbg_hid("report_id 0 is invalid\n"); 374 return -1; 375 } 376 return 0; 377 378 default: 379 dbg_hid("unknown global tag 0x%x\n", item->tag); 380 return -1; 381 } 382} 383 384/* 385 * Process a local item. 386 */ 387 388static int hid_parser_local(struct hid_parser *parser, struct hid_item *item) 389{ 390 __u32 data; 391 unsigned n; 392 393 data = item_udata(item); 394 395 switch (item->tag) { 396 case HID_LOCAL_ITEM_TAG_DELIMITER: 397 398 if (data) { 399 /* 400 * We treat items before the first delimiter 401 * as global to all usage sets (branch 0). 402 * In the moment we process only these global 403 * items and the first delimiter set. 404 */ 405 if (parser->local.delimiter_depth != 0) { 406 dbg_hid("nested delimiters\n"); 407 return -1; 408 } 409 parser->local.delimiter_depth++; 410 parser->local.delimiter_branch++; 411 } else { 412 if (parser->local.delimiter_depth < 1) { 413 dbg_hid("bogus close delimiter\n"); 414 return -1; 415 } 416 parser->local.delimiter_depth--; 417 } 418 return 1; 419 420 case HID_LOCAL_ITEM_TAG_USAGE: 421 422 if (parser->local.delimiter_branch > 1) { 423 dbg_hid("alternative usage ignored\n"); 424 return 0; 425 } 426 427 if (item->size <= 2) 428 data = (parser->global.usage_page << 16) + data; 429 430 return hid_add_usage(parser, data); 431 432 case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM: 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 parser->local.usage_minimum = data; 443 return 0; 444 445 case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM: 446 447 if (parser->local.delimiter_branch > 1) { 448 dbg_hid("alternative usage ignored\n"); 449 return 0; 450 } 451 452 if (item->size <= 2) 453 data = (parser->global.usage_page << 16) + data; 454 455 for (n = parser->local.usage_minimum; n <= data; n++) 456 if (hid_add_usage(parser, n)) { 457 dbg_hid("hid_add_usage failed\n"); 458 return -1; 459 } 460 return 0; 461 462 default: 463 464 dbg_hid("unknown local item tag 0x%x\n", item->tag); 465 return 0; 466 } 467 return 0; 468} 469 470/* 471 * Process a main item. 472 */ 473 474static int hid_parser_main(struct hid_parser *parser, struct hid_item *item) 475{ 476 __u32 data; 477 int ret; 478 479 data = item_udata(item); 480 481 switch (item->tag) { 482 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION: 483 ret = open_collection(parser, data & 0xff); 484 break; 485 case HID_MAIN_ITEM_TAG_END_COLLECTION: 486 ret = close_collection(parser); 487 break; 488 case HID_MAIN_ITEM_TAG_INPUT: 489 ret = hid_add_field(parser, HID_INPUT_REPORT, data); 490 break; 491 case HID_MAIN_ITEM_TAG_OUTPUT: 492 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data); 493 break; 494 case HID_MAIN_ITEM_TAG_FEATURE: 495 ret = hid_add_field(parser, HID_FEATURE_REPORT, data); 496 break; 497 default: 498 dbg_hid("unknown main item tag 0x%x\n", item->tag); 499 ret = 0; 500 } 501 502 memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */ 503 504 return ret; 505} 506 507/* 508 * Process a reserved item. 509 */ 510 511static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item) 512{ 513 dbg_hid("reserved item type, tag 0x%x\n", item->tag); 514 return 0; 515} 516 517/* 518 * Free a report and all registered fields. The field->usage and 519 * field->value table's are allocated behind the field, so we need 520 * only to free(field) itself. 521 */ 522 523static void hid_free_report(struct hid_report *report) 524{ 525 unsigned n; 526 527 for (n = 0; n < report->maxfield; n++) 528 kfree(report->field[n]); 529 kfree(report); 530} 531 532/* 533 * Free a device structure, all reports, and all fields. 534 */ 535 536static void hid_device_release(struct device *dev) 537{ 538 struct hid_device *device = container_of(dev, struct hid_device, dev); 539 unsigned i, j; 540 541 for (i = 0; i < HID_REPORT_TYPES; i++) { 542 struct hid_report_enum *report_enum = device->report_enum + i; 543 544 for (j = 0; j < 256; j++) { 545 struct hid_report *report = report_enum->report_id_hash[j]; 546 if (report) 547 hid_free_report(report); 548 } 549 } 550 551 kfree(device->rdesc); 552 kfree(device->collection); 553 kfree(device); 554} 555 556/* 557 * Fetch a report description item from the data stream. We support long 558 * items, though they are not used yet. 559 */ 560 561static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item) 562{ 563 u8 b; 564 565 if ((end - start) <= 0) 566 return NULL; 567 568 b = *start++; 569 570 item->type = (b >> 2) & 3; 571 item->tag = (b >> 4) & 15; 572 573 if (item->tag == HID_ITEM_TAG_LONG) { 574 575 item->format = HID_ITEM_FORMAT_LONG; 576 577 if ((end - start) < 2) 578 return NULL; 579 580 item->size = *start++; 581 item->tag = *start++; 582 583 if ((end - start) < item->size) 584 return NULL; 585 586 item->data.longdata = start; 587 start += item->size; 588 return start; 589 } 590 591 item->format = HID_ITEM_FORMAT_SHORT; 592 item->size = b & 3; 593 594 switch (item->size) { 595 case 0: 596 return start; 597 598 case 1: 599 if ((end - start) < 1) 600 return NULL; 601 item->data.u8 = *start++; 602 return start; 603 604 case 2: 605 if ((end - start) < 2) 606 return NULL; 607 item->data.u16 = get_unaligned_le16(start); 608 start = (__u8 *)((__le16 *)start + 1); 609 return start; 610 611 case 3: 612 item->size++; 613 if ((end - start) < 4) 614 return NULL; 615 item->data.u32 = get_unaligned_le32(start); 616 start = (__u8 *)((__le32 *)start + 1); 617 return start; 618 } 619 620 return NULL; 621} 622 623/** 624 * hid_parse_report - parse device report 625 * 626 * @device: hid device 627 * @start: report start 628 * @size: report size 629 * 630 * Parse a report description into a hid_device structure. Reports are 631 * enumerated, fields are attached to these reports. 632 * 0 returned on success, otherwise nonzero error value. 633 */ 634int hid_parse_report(struct hid_device *device, __u8 *start, 635 unsigned size) 636{ 637 struct hid_parser *parser; 638 struct hid_item item; 639 __u8 *end; 640 int ret; 641 static int (*dispatch_type[])(struct hid_parser *parser, 642 struct hid_item *item) = { 643 hid_parser_main, 644 hid_parser_global, 645 hid_parser_local, 646 hid_parser_reserved 647 }; 648 649 if (device->driver->report_fixup) 650 start = device->driver->report_fixup(device, start, &size); 651 652 device->rdesc = kmemdup(start, size, GFP_KERNEL); 653 if (device->rdesc == NULL) 654 return -ENOMEM; 655 device->rsize = size; 656 657 parser = vmalloc(sizeof(struct hid_parser)); 658 if (!parser) { 659 ret = -ENOMEM; 660 goto err; 661 } 662 663 memset(parser, 0, sizeof(struct hid_parser)); 664 parser->device = device; 665 666 end = start + size; 667 ret = -EINVAL; 668 while ((start = fetch_item(start, end, &item)) != NULL) { 669 670 if (item.format != HID_ITEM_FORMAT_SHORT) { 671 dbg_hid("unexpected long global item\n"); 672 goto err; 673 } 674 675 if (dispatch_type[item.type](parser, &item)) { 676 dbg_hid("item %u %u %u %u parsing failed\n", 677 item.format, (unsigned)item.size, 678 (unsigned)item.type, (unsigned)item.tag); 679 goto err; 680 } 681 682 if (start == end) { 683 if (parser->collection_stack_ptr) { 684 dbg_hid("unbalanced collection at end of report description\n"); 685 goto err; 686 } 687 if (parser->local.delimiter_depth) { 688 dbg_hid("unbalanced delimiter at end of report description\n"); 689 goto err; 690 } 691 vfree(parser); 692 return 0; 693 } 694 } 695 696 dbg_hid("item fetching failed at offset %d\n", (int)(end - start)); 697err: 698 vfree(parser); 699 return ret; 700} 701EXPORT_SYMBOL_GPL(hid_parse_report); 702 703/* 704 * Convert a signed n-bit integer to signed 32-bit integer. Common 705 * cases are done through the compiler, the screwed things has to be 706 * done by hand. 707 */ 708 709static s32 snto32(__u32 value, unsigned n) 710{ 711 switch (n) { 712 case 8: return ((__s8)value); 713 case 16: return ((__s16)value); 714 case 32: return ((__s32)value); 715 } 716 return value & (1 << (n - 1)) ? value | (-1 << n) : value; 717} 718 719/* 720 * Convert a signed 32-bit integer to a signed n-bit integer. 721 */ 722 723static u32 s32ton(__s32 value, unsigned n) 724{ 725 s32 a = value >> (n - 1); 726 if (a && a != -1) 727 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1; 728 return value & ((1 << n) - 1); 729} 730 731/* 732 * Extract/implement a data field from/to a little endian report (bit array). 733 * 734 * Code sort-of follows HID spec: 735 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf 736 * 737 * While the USB HID spec allows unlimited length bit fields in "report 738 * descriptors", most devices never use more than 16 bits. 739 * One model of UPS is claimed to report "LINEV" as a 32-bit field. 740 * Search linux-kernel and linux-usb-devel archives for "hid-core extract". 741 */ 742 743static __inline__ __u32 extract(const struct hid_device *hid, __u8 *report, 744 unsigned offset, unsigned n) 745{ 746 u64 x; 747 748 if (n > 32) 749 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n", 750 n, current->comm); 751 752 report += offset >> 3; /* adjust byte index */ 753 offset &= 7; /* now only need bit offset into one byte */ 754 x = get_unaligned_le64(report); 755 x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */ 756 return (u32) x; 757} 758 759/* 760 * "implement" : set bits in a little endian bit stream. 761 * Same concepts as "extract" (see comments above). 762 * The data mangled in the bit stream remains in little endian 763 * order the whole time. It make more sense to talk about 764 * endianness of register values by considering a register 765 * a "cached" copy of the little endiad bit stream. 766 */ 767static __inline__ void implement(const struct hid_device *hid, __u8 *report, 768 unsigned offset, unsigned n, __u32 value) 769{ 770 u64 x; 771 u64 m = (1ULL << n) - 1; 772 773 if (n > 32) 774 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n", 775 __func__, n, current->comm); 776 777 if (value > m) 778 hid_warn(hid, "%s() called with too large value %d! (%s)\n", 779 __func__, value, current->comm); 780 WARN_ON(value > m); 781 value &= m; 782 783 report += offset >> 3; 784 offset &= 7; 785 786 x = get_unaligned_le64(report); 787 x &= ~(m << offset); 788 x |= ((u64)value) << offset; 789 put_unaligned_le64(x, report); 790} 791 792/* 793 * Search an array for a value. 794 */ 795 796static __inline__ int search(__s32 *array, __s32 value, unsigned n) 797{ 798 while (n--) { 799 if (*array++ == value) 800 return 0; 801 } 802 return -1; 803} 804 805/** 806 * hid_match_report - check if driver's raw_event should be called 807 * 808 * @hid: hid device 809 * @report_type: type to match against 810 * 811 * compare hid->driver->report_table->report_type to report->type 812 */ 813static int hid_match_report(struct hid_device *hid, struct hid_report *report) 814{ 815 const struct hid_report_id *id = hid->driver->report_table; 816 817 if (!id) /* NULL means all */ 818 return 1; 819 820 for (; id->report_type != HID_TERMINATOR; id++) 821 if (id->report_type == HID_ANY_ID || 822 id->report_type == report->type) 823 return 1; 824 return 0; 825} 826 827/** 828 * hid_match_usage - check if driver's event should be called 829 * 830 * @hid: hid device 831 * @usage: usage to match against 832 * 833 * compare hid->driver->usage_table->usage_{type,code} to 834 * usage->usage_{type,code} 835 */ 836static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage) 837{ 838 const struct hid_usage_id *id = hid->driver->usage_table; 839 840 if (!id) /* NULL means all */ 841 return 1; 842 843 for (; id->usage_type != HID_ANY_ID - 1; id++) 844 if ((id->usage_hid == HID_ANY_ID || 845 id->usage_hid == usage->hid) && 846 (id->usage_type == HID_ANY_ID || 847 id->usage_type == usage->type) && 848 (id->usage_code == HID_ANY_ID || 849 id->usage_code == usage->code)) 850 return 1; 851 return 0; 852} 853 854static void hid_process_event(struct hid_device *hid, struct hid_field *field, 855 struct hid_usage *usage, __s32 value, int interrupt) 856{ 857 struct hid_driver *hdrv = hid->driver; 858 int ret; 859 860 hid_dump_input(hid, usage, value); 861 862 if (hdrv && hdrv->event && hid_match_usage(hid, usage)) { 863 ret = hdrv->event(hid, field, usage, value); 864 if (ret != 0) { 865 if (ret < 0) 866 dbg_hid("%s's event failed with %d\n", 867 hdrv->name, ret); 868 return; 869 } 870 } 871 872 if (hid->claimed & HID_CLAIMED_INPUT) 873 hidinput_hid_event(hid, field, usage, value); 874 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event) 875 hid->hiddev_hid_event(hid, field, usage, value); 876} 877 878/* 879 * Analyse a received field, and fetch the data from it. The field 880 * content is stored for next report processing (we do differential 881 * reporting to the layer). 882 */ 883 884static void hid_input_field(struct hid_device *hid, struct hid_field *field, 885 __u8 *data, int interrupt) 886{ 887 unsigned n; 888 unsigned count = field->report_count; 889 unsigned offset = field->report_offset; 890 unsigned size = field->report_size; 891 __s32 min = field->logical_minimum; 892 __s32 max = field->logical_maximum; 893 __s32 *value; 894 895 if (!(value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC))) 896 return; 897 898 for (n = 0; n < count; n++) { 899 900 value[n] = min < 0 ? 901 snto32(extract(hid, data, offset + n * size, size), 902 size) : 903 extract(hid, data, offset + n * size, size); 904 905 /* Ignore report if ErrorRollOver */ 906 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) && 907 value[n] >= min && value[n] <= max && 908 field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1) 909 goto exit; 910 } 911 912 for (n = 0; n < count; n++) { 913 914 if (HID_MAIN_ITEM_VARIABLE & field->flags) { 915 hid_process_event(hid, field, &field->usage[n], value[n], interrupt); 916 continue; 917 } 918 919 if (field->value[n] >= min && field->value[n] <= max 920 && field->usage[field->value[n] - min].hid 921 && search(value, field->value[n], count)) 922 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt); 923 924 if (value[n] >= min && value[n] <= max 925 && field->usage[value[n] - min].hid 926 && search(field->value, value[n], count)) 927 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt); 928 } 929 930 memcpy(field->value, value, count * sizeof(__s32)); 931exit: 932 kfree(value); 933} 934 935/* 936 * Output the field into the report. 937 */ 938 939static void hid_output_field(const struct hid_device *hid, 940 struct hid_field *field, __u8 *data) 941{ 942 unsigned count = field->report_count; 943 unsigned offset = field->report_offset; 944 unsigned size = field->report_size; 945 unsigned n; 946 947 for (n = 0; n < count; n++) { 948 if (field->logical_minimum < 0) /* signed values */ 949 implement(hid, data, offset + n * size, size, 950 s32ton(field->value[n], size)); 951 else /* unsigned values */ 952 implement(hid, data, offset + n * size, size, 953 field->value[n]); 954 } 955} 956 957/* 958 * Create a report. 959 */ 960 961void hid_output_report(struct hid_report *report, __u8 *data) 962{ 963 unsigned n; 964 965 if (report->id > 0) 966 *data++ = report->id; 967 968 memset(data, 0, ((report->size - 1) >> 3) + 1); 969 for (n = 0; n < report->maxfield; n++) 970 hid_output_field(report->device, report->field[n], data); 971} 972EXPORT_SYMBOL_GPL(hid_output_report); 973 974/* 975 * Set a field value. The report this field belongs to has to be 976 * created and transferred to the device, to set this value in the 977 * device. 978 */ 979 980int hid_set_field(struct hid_field *field, unsigned offset, __s32 value) 981{ 982 unsigned size = field->report_size; 983 984 hid_dump_input(field->report->device, field->usage + offset, value); 985 986 if (offset >= field->report_count) { 987 dbg_hid("offset (%d) exceeds report_count (%d)\n", offset, field->report_count); 988 return -1; 989 } 990 if (field->logical_minimum < 0) { 991 if (value != snto32(s32ton(value, size), size)) { 992 dbg_hid("value %d is out of range\n", value); 993 return -1; 994 } 995 } 996 field->value[offset] = value; 997 return 0; 998} 999EXPORT_SYMBOL_GPL(hid_set_field); 1000 1001static struct hid_report *hid_get_report(struct hid_report_enum *report_enum, 1002 const u8 *data) 1003{ 1004 struct hid_report *report; 1005 unsigned int n = 0; /* Normally report number is 0 */ 1006 1007 /* Device uses numbered reports, data[0] is report number */ 1008 if (report_enum->numbered) 1009 n = *data; 1010 1011 report = report_enum->report_id_hash[n]; 1012 if (report == NULL) 1013 dbg_hid("undefined report_id %u received\n", n); 1014 1015 return report; 1016} 1017 1018void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, 1019 int interrupt) 1020{ 1021 struct hid_report_enum *report_enum = hid->report_enum + type; 1022 struct hid_report *report; 1023 unsigned int a; 1024 int rsize, csize = size; 1025 u8 *cdata = data; 1026 1027 report = hid_get_report(report_enum, data); 1028 if (!report) 1029 return; 1030 1031 if (report_enum->numbered) { 1032 cdata++; 1033 csize--; 1034 } 1035 1036 rsize = ((report->size - 1) >> 3) + 1; 1037 1038 if (csize < rsize) { 1039 dbg_hid("report %d is too short, (%d < %d)\n", report->id, 1040 csize, rsize); 1041 memset(cdata + csize, 0, rsize - csize); 1042 } 1043 1044 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event) 1045 hid->hiddev_report_event(hid, report); 1046 if (hid->claimed & HID_CLAIMED_HIDRAW) 1047 hidraw_report_event(hid, data, size); 1048 1049 for (a = 0; a < report->maxfield; a++) 1050 hid_input_field(hid, report->field[a], cdata, interrupt); 1051 1052 if (hid->claimed & HID_CLAIMED_INPUT) 1053 hidinput_report_event(hid, report); 1054} 1055EXPORT_SYMBOL_GPL(hid_report_raw_event); 1056 1057/** 1058 * hid_input_report - report data from lower layer (usb, bt...) 1059 * 1060 * @hid: hid device 1061 * @type: HID report type (HID_*_REPORT) 1062 * @data: report contents 1063 * @size: size of data parameter 1064 * @interrupt: distinguish between interrupt and control transfers 1065 * 1066 * This is data entry for lower layers. 1067 */ 1068int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt) 1069{ 1070 struct hid_report_enum *report_enum; 1071 struct hid_driver *hdrv; 1072 struct hid_report *report; 1073 char *buf; 1074 unsigned int i; 1075 int ret; 1076 1077 if (!hid || !hid->driver) 1078 return -ENODEV; 1079 report_enum = hid->report_enum + type; 1080 hdrv = hid->driver; 1081 1082 if (!size) { 1083 dbg_hid("empty report\n"); 1084 return -1; 1085 } 1086 1087 buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC); 1088 1089 if (!buf) 1090 goto nomem; 1091 1092 /* dump the report */ 1093 snprintf(buf, HID_DEBUG_BUFSIZE - 1, 1094 "\nreport (size %u) (%snumbered) = ", size, report_enum->numbered ? "" : "un"); 1095 hid_debug_event(hid, buf); 1096 1097 for (i = 0; i < size; i++) { 1098 snprintf(buf, HID_DEBUG_BUFSIZE - 1, 1099 " %02x", data[i]); 1100 hid_debug_event(hid, buf); 1101 } 1102 hid_debug_event(hid, "\n"); 1103 kfree(buf); 1104 1105nomem: 1106 report = hid_get_report(report_enum, data); 1107 1108 if (!report) 1109 return -1; 1110 1111 if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) { 1112 ret = hdrv->raw_event(hid, report, data, size); 1113 if (ret != 0) 1114 return ret < 0 ? ret : 0; 1115 } 1116 1117 hid_report_raw_event(hid, type, data, size, interrupt); 1118 1119 return 0; 1120} 1121EXPORT_SYMBOL_GPL(hid_input_report); 1122 1123static bool hid_match_one_id(struct hid_device *hdev, 1124 const struct hid_device_id *id) 1125{ 1126 return id->bus == hdev->bus && 1127 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) && 1128 (id->product == HID_ANY_ID || id->product == hdev->product); 1129} 1130 1131static const struct hid_device_id *hid_match_id(struct hid_device *hdev, 1132 const struct hid_device_id *id) 1133{ 1134 for (; id->bus; id++) 1135 if (hid_match_one_id(hdev, id)) 1136 return id; 1137 1138 return NULL; 1139} 1140 1141static const struct hid_device_id hid_hiddev_list[] = { 1142 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) }, 1143 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) }, 1144 { } 1145}; 1146 1147static bool hid_hiddev(struct hid_device *hdev) 1148{ 1149 return !!hid_match_id(hdev, hid_hiddev_list); 1150} 1151 1152int hid_connect(struct hid_device *hdev, unsigned int connect_mask) 1153{ 1154 static const char *types[] = { "Device", "Pointer", "Mouse", "Device", 1155 "Joystick", "Gamepad", "Keyboard", "Keypad", 1156 "Multi-Axis Controller" 1157 }; 1158 const char *type, *bus; 1159 char buf[64]; 1160 unsigned int i; 1161 int len; 1162 1163 if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE) 1164 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV); 1165 if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE) 1166 connect_mask |= HID_CONNECT_HIDINPUT_FORCE; 1167 if (hdev->bus != BUS_USB) 1168 connect_mask &= ~HID_CONNECT_HIDDEV; 1169 if (hid_hiddev(hdev)) 1170 connect_mask |= HID_CONNECT_HIDDEV_FORCE; 1171 1172 if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev, 1173 connect_mask & HID_CONNECT_HIDINPUT_FORCE)) 1174 hdev->claimed |= HID_CLAIMED_INPUT; 1175 if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect && 1176 !hdev->hiddev_connect(hdev, 1177 connect_mask & HID_CONNECT_HIDDEV_FORCE)) 1178 hdev->claimed |= HID_CLAIMED_HIDDEV; 1179 if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev)) 1180 hdev->claimed |= HID_CLAIMED_HIDRAW; 1181 1182 if (!hdev->claimed) { 1183 hid_err(hdev, "claimed by neither input, hiddev nor hidraw\n"); 1184 return -ENODEV; 1185 } 1186 1187 if ((hdev->claimed & HID_CLAIMED_INPUT) && 1188 (connect_mask & HID_CONNECT_FF) && hdev->ff_init) 1189 hdev->ff_init(hdev); 1190 1191 len = 0; 1192 if (hdev->claimed & HID_CLAIMED_INPUT) 1193 len += sprintf(buf + len, "input"); 1194 if (hdev->claimed & HID_CLAIMED_HIDDEV) 1195 len += sprintf(buf + len, "%shiddev%d", len ? "," : "", 1196 hdev->minor); 1197 if (hdev->claimed & HID_CLAIMED_HIDRAW) 1198 len += sprintf(buf + len, "%shidraw%d", len ? "," : "", 1199 ((struct hidraw *)hdev->hidraw)->minor); 1200 1201 type = "Device"; 1202 for (i = 0; i < hdev->maxcollection; i++) { 1203 struct hid_collection *col = &hdev->collection[i]; 1204 if (col->type == HID_COLLECTION_APPLICATION && 1205 (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK && 1206 (col->usage & 0xffff) < ARRAY_SIZE(types)) { 1207 type = types[col->usage & 0xffff]; 1208 break; 1209 } 1210 } 1211 1212 switch (hdev->bus) { 1213 case BUS_USB: 1214 bus = "USB"; 1215 break; 1216 case BUS_BLUETOOTH: 1217 bus = "BLUETOOTH"; 1218 break; 1219 default: 1220 bus = "<UNKNOWN>"; 1221 } 1222 1223 hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n", 1224 buf, bus, hdev->version >> 8, hdev->version & 0xff, 1225 type, hdev->name, hdev->phys); 1226 1227 return 0; 1228} 1229EXPORT_SYMBOL_GPL(hid_connect); 1230 1231void hid_disconnect(struct hid_device *hdev) 1232{ 1233 if (hdev->claimed & HID_CLAIMED_INPUT) 1234 hidinput_disconnect(hdev); 1235 if (hdev->claimed & HID_CLAIMED_HIDDEV) 1236 hdev->hiddev_disconnect(hdev); 1237 if (hdev->claimed & HID_CLAIMED_HIDRAW) 1238 hidraw_disconnect(hdev); 1239} 1240EXPORT_SYMBOL_GPL(hid_disconnect); 1241 1242/* a list of devices for which there is a specialized driver on HID bus */ 1243static const struct hid_device_id hid_have_special_driver[] = { 1244 { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M1968) }, 1245 { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M2256) }, 1246 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) }, 1247 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) }, 1248 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) }, 1249#if defined(CONFIG_HID_ACRUX_FF) || defined(CONFIG_HID_ACRUX_FF_MODULE) 1250 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) }, 1251#endif 1252 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) }, 1253 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) }, 1254 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) }, 1255 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) }, 1256 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) }, 1257 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, 1258 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, 1259 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, 1260 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, 1261 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, 1262 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, 1263 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, 1264 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, 1265 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, 1266 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, 1267 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, 1268 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) }, 1269 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) }, 1270 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) }, 1271 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) }, 1272 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) }, 1273 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) }, 1274 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, 1275 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, 1276 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, 1277 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) }, 1278 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) }, 1279 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) }, 1280 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, 1281 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, 1282 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, 1283 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, 1284 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, 1285 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, 1286 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, 1287 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, 1288 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, 1289 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) }, 1290 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) }, 1291 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) }, 1292 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) }, 1293 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) }, 1294 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) }, 1295 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) }, 1296 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) }, 1297 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) }, 1298 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, 1299 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, 1300 { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_T91MT) }, 1301 { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, 1302 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) }, 1303 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) }, 1304 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) }, 1305 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, 1306 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) }, 1307 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, 1308 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, 1309 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) }, 1310 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, 1311 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) }, 1312 { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) }, 1313 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, 1314 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, 1315 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) }, 1316 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, 1317 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) }, 1318 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH) }, 1319 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH1) }, 1320 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) }, 1321 { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) }, 1322 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, 1323 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) }, 1324 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) }, 1325 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) }, 1326 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) }, 1327 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, 1328 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, 1329 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) }, 1330 { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) }, 1331 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) }, 1332 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, 1333 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, 1334 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, 1335 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) }, 1336 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) }, 1337 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) }, 1338 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) }, 1339 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) }, 1340 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) }, 1341 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) }, 1342 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) }, 1343 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) }, 1344 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) }, 1345 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) }, 1346 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) }, 1347 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) }, 1348 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) }, 1349 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) }, 1350 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) }, 1351 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) }, 1352 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) }, 1353 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) }, 1354 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) }, 1355 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) }, 1356 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) }, 1357 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) }, 1358 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) }, 1359 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) }, 1360 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) }, 1361 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) }, 1362 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) }, 1363 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, 1364 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, 1365 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, 1366 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) }, 1367 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) }, 1368 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) }, 1369 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) }, 1370 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) }, 1371 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) }, 1372 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) }, 1373 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) }, 1374 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) }, 1375 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) }, 1376 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) }, 1377 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) }, 1378 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) }, 1379 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) }, 1380 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) }, 1381 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) }, 1382 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) }, 1383 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) }, 1384 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) }, 1385 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, 1386 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, 1387 { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) }, 1388 { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) }, 1389 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) }, 1390 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, 1391 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, 1392 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) }, 1393 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, 1394 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, 1395 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) }, 1396 { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM, USB_DEVICE_ID_MTP) }, 1397 { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, USB_DEVICE_ID_MTP_STM) }, 1398 { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, USB_DEVICE_ID_MTP_SITRONIX) }, 1399 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, 1400 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) }, 1401 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) }, 1402 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) }, 1403 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) }, 1404 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) }, 1405 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) }, 1406 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) }, 1407 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) }, 1408 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) }, 1409 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) }, 1410 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) }, 1411 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) }, 1412 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) }, 1413 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) }, 1414 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, 1415 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) }, 1416 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) }, 1417 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) }, 1418 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) }, 1419 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) }, 1420 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) }, 1421 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) }, 1422 { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) }, 1423 1424 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) }, 1425 { } 1426}; 1427 1428struct hid_dynid { 1429 struct list_head list; 1430 struct hid_device_id id; 1431}; 1432 1433/** 1434 * store_new_id - add a new HID device ID to this driver and re-probe devices 1435 * @driver: target device driver 1436 * @buf: buffer for scanning device ID data 1437 * @count: input size 1438 * 1439 * Adds a new dynamic hid device ID to this driver, 1440 * and causes the driver to probe for all devices again. 1441 */ 1442static ssize_t store_new_id(struct device_driver *drv, const char *buf, 1443 size_t count) 1444{ 1445 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); 1446 struct hid_dynid *dynid; 1447 __u32 bus, vendor, product; 1448 unsigned long driver_data = 0; 1449 int ret; 1450 1451 ret = sscanf(buf, "%x %x %x %lx", 1452 &bus, &vendor, &product, &driver_data); 1453 if (ret < 3) 1454 return -EINVAL; 1455 1456 dynid = kzalloc(sizeof(*dynid), GFP_KERNEL); 1457 if (!dynid) 1458 return -ENOMEM; 1459 1460 dynid->id.bus = bus; 1461 dynid->id.vendor = vendor; 1462 dynid->id.product = product; 1463 dynid->id.driver_data = driver_data; 1464 1465 spin_lock(&hdrv->dyn_lock); 1466 list_add_tail(&dynid->list, &hdrv->dyn_list); 1467 spin_unlock(&hdrv->dyn_lock); 1468 1469 ret = 0; 1470 if (get_driver(&hdrv->driver)) { 1471 ret = driver_attach(&hdrv->driver); 1472 put_driver(&hdrv->driver); 1473 } 1474 1475 return ret ? : count; 1476} 1477static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id); 1478 1479static void hid_free_dynids(struct hid_driver *hdrv) 1480{ 1481 struct hid_dynid *dynid, *n; 1482 1483 spin_lock(&hdrv->dyn_lock); 1484 list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) { 1485 list_del(&dynid->list); 1486 kfree(dynid); 1487 } 1488 spin_unlock(&hdrv->dyn_lock); 1489} 1490 1491static const struct hid_device_id *hid_match_device(struct hid_device *hdev, 1492 struct hid_driver *hdrv) 1493{ 1494 struct hid_dynid *dynid; 1495 1496 spin_lock(&hdrv->dyn_lock); 1497 list_for_each_entry(dynid, &hdrv->dyn_list, list) { 1498 if (hid_match_one_id(hdev, &dynid->id)) { 1499 spin_unlock(&hdrv->dyn_lock); 1500 return &dynid->id; 1501 } 1502 } 1503 spin_unlock(&hdrv->dyn_lock); 1504 1505 return hid_match_id(hdev, hdrv->id_table); 1506} 1507 1508static int hid_bus_match(struct device *dev, struct device_driver *drv) 1509{ 1510 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); 1511 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1512 1513 if (!hid_match_device(hdev, hdrv)) 1514 return 0; 1515 1516 /* generic wants all that don't have specialized driver */ 1517 if (!strncmp(hdrv->name, "generic-", 8)) 1518 return !hid_match_id(hdev, hid_have_special_driver); 1519 1520 return 1; 1521} 1522 1523static int hid_device_probe(struct device *dev) 1524{ 1525 struct hid_driver *hdrv = container_of(dev->driver, 1526 struct hid_driver, driver); 1527 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1528 const struct hid_device_id *id; 1529 int ret = 0; 1530 1531 if (!hdev->driver) { 1532 id = hid_match_device(hdev, hdrv); 1533 if (id == NULL) 1534 return -ENODEV; 1535 1536 hdev->driver = hdrv; 1537 if (hdrv->probe) { 1538 ret = hdrv->probe(hdev, id); 1539 } else { /* default probe */ 1540 ret = hid_parse(hdev); 1541 if (!ret) 1542 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 1543 } 1544 if (ret) 1545 hdev->driver = NULL; 1546 } 1547 return ret; 1548} 1549 1550static int hid_device_remove(struct device *dev) 1551{ 1552 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1553 struct hid_driver *hdrv = hdev->driver; 1554 1555 if (hdrv) { 1556 if (hdrv->remove) 1557 hdrv->remove(hdev); 1558 else /* default remove */ 1559 hid_hw_stop(hdev); 1560 hdev->driver = NULL; 1561 } 1562 1563 return 0; 1564} 1565 1566static int hid_uevent(struct device *dev, struct kobj_uevent_env *env) 1567{ 1568 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1569 1570 if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X", 1571 hdev->bus, hdev->vendor, hdev->product)) 1572 return -ENOMEM; 1573 1574 if (add_uevent_var(env, "HID_NAME=%s", hdev->name)) 1575 return -ENOMEM; 1576 1577 if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys)) 1578 return -ENOMEM; 1579 1580 if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq)) 1581 return -ENOMEM; 1582 1583 if (add_uevent_var(env, "MODALIAS=hid:b%04Xv%08Xp%08X", 1584 hdev->bus, hdev->vendor, hdev->product)) 1585 return -ENOMEM; 1586 1587 return 0; 1588} 1589 1590static struct bus_type hid_bus_type = { 1591 .name = "hid", 1592 .match = hid_bus_match, 1593 .probe = hid_device_probe, 1594 .remove = hid_device_remove, 1595 .uevent = hid_uevent, 1596}; 1597 1598/* a list of devices that shouldn't be handled by HID core at all */ 1599static const struct hid_device_id hid_ignore_list[] = { 1600 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) }, 1601 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) }, 1602 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) }, 1603 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) }, 1604 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) }, 1605 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) }, 1606 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) }, 1607 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) }, 1608 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) }, 1609 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) }, 1610 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) }, 1611 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) }, 1612 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)}, 1613 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)}, 1614 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) }, 1615 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) }, 1616 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) }, 1617 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) }, 1618 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) }, 1619 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) }, 1620 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) }, 1621 { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) }, 1622 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) }, 1623 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) }, 1624 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) }, 1625 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) }, 1626 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) }, 1627 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) }, 1628 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) }, 1629 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0003) }, 1630 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) }, 1631 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) }, 1632 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) }, 1633 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) }, 1634 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) }, 1635 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) }, 1636 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) }, 1637 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) }, 1638 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) }, 1639 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) }, 1640 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) }, 1641 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) }, 1642 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) }, 1643 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) }, 1644 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) }, 1645 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) }, 1646 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) }, 1647 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) }, 1648 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) }, 1649 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) }, 1650 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) }, 1651 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) }, 1652 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) }, 1653 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) }, 1654 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) }, 1655 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) }, 1656 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) }, 1657 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) }, 1658 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) }, 1659 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) }, 1660 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) }, 1661 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) }, 1662 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) }, 1663 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) }, 1664 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) }, 1665 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) }, 1666 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) }, 1667 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) }, 1668 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) }, 1669 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) }, 1670 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) }, 1671 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) }, 1672 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) }, 1673 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) }, 1674 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) }, 1675 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) }, 1676 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) }, 1677 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) }, 1678 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) }, 1679 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) }, 1680 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) }, 1681 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) }, 1682 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) }, 1683 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) }, 1684 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) }, 1685 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) }, 1686 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) }, 1687 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) }, 1688 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) }, 1689 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) }, 1690 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) }, 1691 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) }, 1692 { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_JESS_YUREX) }, 1693 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) }, 1694 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) }, 1695 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) }, 1696 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) }, 1697 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) }, 1698 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) }, 1699 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) }, 1700 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) }, 1701 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) }, 1702 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) }, 1703 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY1) }, 1704 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) }, 1705 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) }, 1706 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) }, 1707 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) }, 1708 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) }, 1709 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) }, 1710 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) }, 1711 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) }, 1712 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) }, 1713 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) }, 1714 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) }, 1715 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) }, 1716 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) }, 1717 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) }, 1718 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) }, 1719 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) }, 1720 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) }, 1721 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) }, 1722 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) }, 1723 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) }, 1724 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) }, 1725 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) }, 1726 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) }, 1727 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) }, 1728 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) }, 1729 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) }, 1730 { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) }, 1731 { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) }, 1732 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) }, 1733 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) }, 1734 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) }, 1735 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) }, 1736 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) }, 1737 { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) }, 1738 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) }, 1739 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) }, 1740 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) }, 1741 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) }, 1742 { } 1743}; 1744 1745/** 1746 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer 1747 * 1748 * There are composite devices for which we want to ignore only a certain 1749 * interface. This is a list of devices for which only the mouse interface will 1750 * be ignored. This allows a dedicated driver to take care of the interface. 1751 */ 1752static const struct hid_device_id hid_mouse_ignore_list[] = { 1753 /* appletouch driver */ 1754 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, 1755 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, 1756 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, 1757 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, 1758 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, 1759 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, 1760 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, 1761 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, 1762 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, 1763 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, 1764 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, 1765 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, 1766 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, 1767 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, 1768 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, 1769 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, 1770 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, 1771 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, 1772 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, 1773 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, 1774 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, 1775 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, 1776 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, 1777 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) }, 1778 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) }, 1779 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) }, 1780 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) }, 1781 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) }, 1782 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) }, 1783 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, 1784 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, 1785 { } 1786}; 1787 1788static bool hid_ignore(struct hid_device *hdev) 1789{ 1790 switch (hdev->vendor) { 1791 case USB_VENDOR_ID_CODEMERCS: 1792 /* ignore all Code Mercenaries IOWarrior devices */ 1793 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST && 1794 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST) 1795 return true; 1796 break; 1797 case USB_VENDOR_ID_LOGITECH: 1798 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST && 1799 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST) 1800 return true; 1801 break; 1802 case USB_VENDOR_ID_SOUNDGRAPH: 1803 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST && 1804 hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST) 1805 return true; 1806 break; 1807 } 1808 1809 if (hdev->type == HID_TYPE_USBMOUSE && 1810 hid_match_id(hdev, hid_mouse_ignore_list)) 1811 return true; 1812 1813 return !!hid_match_id(hdev, hid_ignore_list); 1814} 1815 1816int hid_add_device(struct hid_device *hdev) 1817{ 1818 static atomic_t id = ATOMIC_INIT(0); 1819 int ret; 1820 1821 if (WARN_ON(hdev->status & HID_STAT_ADDED)) 1822 return -EBUSY; 1823 1824 /* we need to kill them here, otherwise they will stay allocated to 1825 * wait for coming driver */ 1826 if (!(hdev->quirks & HID_QUIRK_NO_IGNORE) 1827 && (hid_ignore(hdev) || (hdev->quirks & HID_QUIRK_IGNORE))) 1828 return -ENODEV; 1829 1830 /* XXX hack, any other cleaner solution after the driver core 1831 * is converted to allow more than 20 bytes as the device name? */ 1832 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus, 1833 hdev->vendor, hdev->product, atomic_inc_return(&id)); 1834 1835 hid_debug_register(hdev, dev_name(&hdev->dev)); 1836 ret = device_add(&hdev->dev); 1837 if (!ret) 1838 hdev->status |= HID_STAT_ADDED; 1839 else 1840 hid_debug_unregister(hdev); 1841 1842 return ret; 1843} 1844EXPORT_SYMBOL_GPL(hid_add_device); 1845 1846/** 1847 * hid_allocate_device - allocate new hid device descriptor 1848 * 1849 * Allocate and initialize hid device, so that hid_destroy_device might be 1850 * used to free it. 1851 * 1852 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded 1853 * error value. 1854 */ 1855struct hid_device *hid_allocate_device(void) 1856{ 1857 struct hid_device *hdev; 1858 unsigned int i; 1859 int ret = -ENOMEM; 1860 1861 hdev = kzalloc(sizeof(*hdev), GFP_KERNEL); 1862 if (hdev == NULL) 1863 return ERR_PTR(ret); 1864 1865 device_initialize(&hdev->dev); 1866 hdev->dev.release = hid_device_release; 1867 hdev->dev.bus = &hid_bus_type; 1868 1869 hdev->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS, 1870 sizeof(struct hid_collection), GFP_KERNEL); 1871 if (hdev->collection == NULL) 1872 goto err; 1873 hdev->collection_size = HID_DEFAULT_NUM_COLLECTIONS; 1874 1875 for (i = 0; i < HID_REPORT_TYPES; i++) 1876 INIT_LIST_HEAD(&hdev->report_enum[i].report_list); 1877 1878 init_waitqueue_head(&hdev->debug_wait); 1879 INIT_LIST_HEAD(&hdev->debug_list); 1880 1881 return hdev; 1882err: 1883 put_device(&hdev->dev); 1884 return ERR_PTR(ret); 1885} 1886EXPORT_SYMBOL_GPL(hid_allocate_device); 1887 1888static void hid_remove_device(struct hid_device *hdev) 1889{ 1890 if (hdev->status & HID_STAT_ADDED) { 1891 device_del(&hdev->dev); 1892 hid_debug_unregister(hdev); 1893 hdev->status &= ~HID_STAT_ADDED; 1894 } 1895} 1896 1897/** 1898 * hid_destroy_device - free previously allocated device 1899 * 1900 * @hdev: hid device 1901 * 1902 * If you allocate hid_device through hid_allocate_device, you should ever 1903 * free by this function. 1904 */ 1905void hid_destroy_device(struct hid_device *hdev) 1906{ 1907 hid_remove_device(hdev); 1908 put_device(&hdev->dev); 1909} 1910EXPORT_SYMBOL_GPL(hid_destroy_device); 1911 1912int __hid_register_driver(struct hid_driver *hdrv, struct module *owner, 1913 const char *mod_name) 1914{ 1915 int ret; 1916 1917 hdrv->driver.name = hdrv->name; 1918 hdrv->driver.bus = &hid_bus_type; 1919 hdrv->driver.owner = owner; 1920 hdrv->driver.mod_name = mod_name; 1921 1922 INIT_LIST_HEAD(&hdrv->dyn_list); 1923 spin_lock_init(&hdrv->dyn_lock); 1924 1925 ret = driver_register(&hdrv->driver); 1926 if (ret) 1927 return ret; 1928 1929 ret = driver_create_file(&hdrv->driver, &driver_attr_new_id); 1930 if (ret) 1931 driver_unregister(&hdrv->driver); 1932 1933 return ret; 1934} 1935EXPORT_SYMBOL_GPL(__hid_register_driver); 1936 1937void hid_unregister_driver(struct hid_driver *hdrv) 1938{ 1939 driver_remove_file(&hdrv->driver, &driver_attr_new_id); 1940 driver_unregister(&hdrv->driver); 1941 hid_free_dynids(hdrv); 1942} 1943EXPORT_SYMBOL_GPL(hid_unregister_driver); 1944 1945int hid_check_keys_pressed(struct hid_device *hid) 1946{ 1947 struct hid_input *hidinput; 1948 int i; 1949 1950 if (!(hid->claimed & HID_CLAIMED_INPUT)) 1951 return 0; 1952 1953 list_for_each_entry(hidinput, &hid->inputs, list) { 1954 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++) 1955 if (hidinput->input->key[i]) 1956 return 1; 1957 } 1958 1959 return 0; 1960} 1961 1962EXPORT_SYMBOL_GPL(hid_check_keys_pressed); 1963 1964static int __init hid_init(void) 1965{ 1966 int ret; 1967 1968 if (hid_debug) 1969 pr_warn("hid_debug is now used solely for parser and driver debugging.\n" 1970 "debugfs is now used for inspecting the device (report descriptor, reports)\n"); 1971 1972 ret = bus_register(&hid_bus_type); 1973 if (ret) { 1974 pr_err("can't register hid bus\n"); 1975 goto err; 1976 } 1977 1978 ret = hidraw_init(); 1979 if (ret) 1980 goto err_bus; 1981 1982 hid_debug_init(); 1983 1984 return 0; 1985err_bus: 1986 bus_unregister(&hid_bus_type); 1987err: 1988 return ret; 1989} 1990 1991static void __exit hid_exit(void) 1992{ 1993 hid_debug_exit(); 1994 hidraw_exit(); 1995 bus_unregister(&hid_bus_type); 1996} 1997 1998module_init(hid_init); 1999module_exit(hid_exit); 2000 2001MODULE_AUTHOR("Andreas Gal"); 2002MODULE_AUTHOR("Vojtech Pavlik"); 2003MODULE_AUTHOR("Jiri Kosina"); 2004MODULE_LICENSE(DRIVER_LICENSE); 2005 2006