1 /* 2 * HID support for Linux 3 * 4 * Copyright (c) 1999 Andreas Gal 5 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> 6 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc 7 * Copyright (c) 2006-2012 Jiri Kosina 8 */ 9 10 /* 11 * This program is free software; you can redistribute it and/or modify it 12 * under the terms of the GNU General Public License as published by the Free 13 * Software Foundation; either version 2 of the License, or (at your option) 14 * any later version. 15 */ 16 17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 18 19 #include <linux/module.h> 20 #include <linux/slab.h> 21 #include <linux/init.h> 22 #include <linux/kernel.h> 23 #include <linux/list.h> 24 #include <linux/mm.h> 25 #include <linux/spinlock.h> 26 #include <asm/unaligned.h> 27 #include <asm/byteorder.h> 28 #include <linux/input.h> 29 #include <linux/wait.h> 30 #include <linux/vmalloc.h> 31 #include <linux/sched.h> 32 #include <linux/semaphore.h> 33 34 #include <linux/hid.h> 35 #include <linux/hiddev.h> 36 #include <linux/hid-debug.h> 37 #include <linux/hidraw.h> 38 39 #include "hid-ids.h" 40 41 /* 42 * Version Information 43 */ 44 45 #define DRIVER_DESC "HID core driver" 46 #define DRIVER_LICENSE "GPL" 47 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 static int hid_ignore_special_drivers = 0; 54 module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600); 55 MODULE_PARM_DESC(debug, "Ignore any special drivers and handle all devices by generic driver"); 56 57 /* 58 * Register a new report for a device. 59 */ 60 61 struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id) 62 { 63 struct hid_report_enum *report_enum = device->report_enum + type; 64 struct hid_report *report; 65 66 if (id >= HID_MAX_IDS) 67 return NULL; 68 if (report_enum->report_id_hash[id]) 69 return report_enum->report_id_hash[id]; 70 71 report = kzalloc(sizeof(struct hid_report), GFP_KERNEL); 72 if (!report) 73 return NULL; 74 75 if (id != 0) 76 report_enum->numbered = 1; 77 78 report->id = id; 79 report->type = type; 80 report->size = 0; 81 report->device = device; 82 report_enum->report_id_hash[id] = report; 83 84 list_add_tail(&report->list, &report_enum->report_list); 85 86 return report; 87 } 88 EXPORT_SYMBOL_GPL(hid_register_report); 89 90 /* 91 * Register a new field for this report. 92 */ 93 94 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values) 95 { 96 struct hid_field *field; 97 98 if (report->maxfield == HID_MAX_FIELDS) { 99 hid_err(report->device, "too many fields in report\n"); 100 return NULL; 101 } 102 103 field = kzalloc((sizeof(struct hid_field) + 104 usages * sizeof(struct hid_usage) + 105 values * sizeof(unsigned)), GFP_KERNEL); 106 if (!field) 107 return NULL; 108 109 field->index = report->maxfield++; 110 report->field[field->index] = field; 111 field->usage = (struct hid_usage *)(field + 1); 112 field->value = (s32 *)(field->usage + usages); 113 field->report = report; 114 115 return field; 116 } 117 118 /* 119 * Open a collection. The type/usage is pushed on the stack. 120 */ 121 122 static int open_collection(struct hid_parser *parser, unsigned type) 123 { 124 struct hid_collection *collection; 125 unsigned usage; 126 127 usage = parser->local.usage[0]; 128 129 if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) { 130 hid_err(parser->device, "collection stack overflow\n"); 131 return -EINVAL; 132 } 133 134 if (parser->device->maxcollection == parser->device->collection_size) { 135 collection = kmalloc(sizeof(struct hid_collection) * 136 parser->device->collection_size * 2, GFP_KERNEL); 137 if (collection == NULL) { 138 hid_err(parser->device, "failed to reallocate collection array\n"); 139 return -ENOMEM; 140 } 141 memcpy(collection, parser->device->collection, 142 sizeof(struct hid_collection) * 143 parser->device->collection_size); 144 memset(collection + parser->device->collection_size, 0, 145 sizeof(struct hid_collection) * 146 parser->device->collection_size); 147 kfree(parser->device->collection); 148 parser->device->collection = collection; 149 parser->device->collection_size *= 2; 150 } 151 152 parser->collection_stack[parser->collection_stack_ptr++] = 153 parser->device->maxcollection; 154 155 collection = parser->device->collection + 156 parser->device->maxcollection++; 157 collection->type = type; 158 collection->usage = usage; 159 collection->level = parser->collection_stack_ptr - 1; 160 161 if (type == HID_COLLECTION_APPLICATION) 162 parser->device->maxapplication++; 163 164 return 0; 165 } 166 167 /* 168 * Close a collection. 169 */ 170 171 static int close_collection(struct hid_parser *parser) 172 { 173 if (!parser->collection_stack_ptr) { 174 hid_err(parser->device, "collection stack underflow\n"); 175 return -EINVAL; 176 } 177 parser->collection_stack_ptr--; 178 return 0; 179 } 180 181 /* 182 * Climb up the stack, search for the specified collection type 183 * and return the usage. 184 */ 185 186 static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type) 187 { 188 struct hid_collection *collection = parser->device->collection; 189 int n; 190 191 for (n = parser->collection_stack_ptr - 1; n >= 0; n--) { 192 unsigned index = parser->collection_stack[n]; 193 if (collection[index].type == type) 194 return collection[index].usage; 195 } 196 return 0; /* we know nothing about this usage type */ 197 } 198 199 /* 200 * Add a usage to the temporary parser table. 201 */ 202 203 static int hid_add_usage(struct hid_parser *parser, unsigned usage) 204 { 205 if (parser->local.usage_index >= HID_MAX_USAGES) { 206 hid_err(parser->device, "usage index exceeded\n"); 207 return -1; 208 } 209 parser->local.usage[parser->local.usage_index] = usage; 210 parser->local.collection_index[parser->local.usage_index] = 211 parser->collection_stack_ptr ? 212 parser->collection_stack[parser->collection_stack_ptr - 1] : 0; 213 parser->local.usage_index++; 214 return 0; 215 } 216 217 /* 218 * Register a new field for this report. 219 */ 220 221 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags) 222 { 223 struct hid_report *report; 224 struct hid_field *field; 225 unsigned usages; 226 unsigned offset; 227 unsigned i; 228 229 report = hid_register_report(parser->device, report_type, parser->global.report_id); 230 if (!report) { 231 hid_err(parser->device, "hid_register_report failed\n"); 232 return -1; 233 } 234 235 /* Handle both signed and unsigned cases properly */ 236 if ((parser->global.logical_minimum < 0 && 237 parser->global.logical_maximum < 238 parser->global.logical_minimum) || 239 (parser->global.logical_minimum >= 0 && 240 (__u32)parser->global.logical_maximum < 241 (__u32)parser->global.logical_minimum)) { 242 dbg_hid("logical range invalid 0x%x 0x%x\n", 243 parser->global.logical_minimum, 244 parser->global.logical_maximum); 245 return -1; 246 } 247 248 offset = report->size; 249 report->size += parser->global.report_size * parser->global.report_count; 250 251 if (!parser->local.usage_index) /* Ignore padding fields */ 252 return 0; 253 254 usages = max_t(unsigned, parser->local.usage_index, 255 parser->global.report_count); 256 257 field = hid_register_field(report, usages, parser->global.report_count); 258 if (!field) 259 return 0; 260 261 field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL); 262 field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL); 263 field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION); 264 265 for (i = 0; i < usages; i++) { 266 unsigned j = i; 267 /* Duplicate the last usage we parsed if we have excess values */ 268 if (i >= parser->local.usage_index) 269 j = parser->local.usage_index - 1; 270 field->usage[i].hid = parser->local.usage[j]; 271 field->usage[i].collection_index = 272 parser->local.collection_index[j]; 273 field->usage[i].usage_index = i; 274 } 275 276 field->maxusage = usages; 277 field->flags = flags; 278 field->report_offset = offset; 279 field->report_type = report_type; 280 field->report_size = parser->global.report_size; 281 field->report_count = parser->global.report_count; 282 field->logical_minimum = parser->global.logical_minimum; 283 field->logical_maximum = parser->global.logical_maximum; 284 field->physical_minimum = parser->global.physical_minimum; 285 field->physical_maximum = parser->global.physical_maximum; 286 field->unit_exponent = parser->global.unit_exponent; 287 field->unit = parser->global.unit; 288 289 return 0; 290 } 291 292 /* 293 * Read data value from item. 294 */ 295 296 static u32 item_udata(struct hid_item *item) 297 { 298 switch (item->size) { 299 case 1: return item->data.u8; 300 case 2: return item->data.u16; 301 case 4: return item->data.u32; 302 } 303 return 0; 304 } 305 306 static s32 item_sdata(struct hid_item *item) 307 { 308 switch (item->size) { 309 case 1: return item->data.s8; 310 case 2: return item->data.s16; 311 case 4: return item->data.s32; 312 } 313 return 0; 314 } 315 316 /* 317 * Process a global item. 318 */ 319 320 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item) 321 { 322 __s32 raw_value; 323 switch (item->tag) { 324 case HID_GLOBAL_ITEM_TAG_PUSH: 325 326 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) { 327 hid_err(parser->device, "global environment stack overflow\n"); 328 return -1; 329 } 330 331 memcpy(parser->global_stack + parser->global_stack_ptr++, 332 &parser->global, sizeof(struct hid_global)); 333 return 0; 334 335 case HID_GLOBAL_ITEM_TAG_POP: 336 337 if (!parser->global_stack_ptr) { 338 hid_err(parser->device, "global environment stack underflow\n"); 339 return -1; 340 } 341 342 memcpy(&parser->global, parser->global_stack + 343 --parser->global_stack_ptr, sizeof(struct hid_global)); 344 return 0; 345 346 case HID_GLOBAL_ITEM_TAG_USAGE_PAGE: 347 parser->global.usage_page = item_udata(item); 348 return 0; 349 350 case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM: 351 parser->global.logical_minimum = item_sdata(item); 352 return 0; 353 354 case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM: 355 if (parser->global.logical_minimum < 0) 356 parser->global.logical_maximum = item_sdata(item); 357 else 358 parser->global.logical_maximum = item_udata(item); 359 return 0; 360 361 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM: 362 parser->global.physical_minimum = item_sdata(item); 363 return 0; 364 365 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM: 366 if (parser->global.physical_minimum < 0) 367 parser->global.physical_maximum = item_sdata(item); 368 else 369 parser->global.physical_maximum = item_udata(item); 370 return 0; 371 372 case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT: 373 /* Many devices provide unit exponent as a two's complement 374 * nibble due to the common misunderstanding of HID 375 * specification 1.11, 6.2.2.7 Global Items. Attempt to handle 376 * both this and the standard encoding. */ 377 raw_value = item_sdata(item); 378 if (!(raw_value & 0xfffffff0)) 379 parser->global.unit_exponent = hid_snto32(raw_value, 4); 380 else 381 parser->global.unit_exponent = raw_value; 382 return 0; 383 384 case HID_GLOBAL_ITEM_TAG_UNIT: 385 parser->global.unit = item_udata(item); 386 return 0; 387 388 case HID_GLOBAL_ITEM_TAG_REPORT_SIZE: 389 parser->global.report_size = item_udata(item); 390 if (parser->global.report_size > 128) { 391 hid_err(parser->device, "invalid report_size %d\n", 392 parser->global.report_size); 393 return -1; 394 } 395 return 0; 396 397 case HID_GLOBAL_ITEM_TAG_REPORT_COUNT: 398 parser->global.report_count = item_udata(item); 399 if (parser->global.report_count > HID_MAX_USAGES) { 400 hid_err(parser->device, "invalid report_count %d\n", 401 parser->global.report_count); 402 return -1; 403 } 404 return 0; 405 406 case HID_GLOBAL_ITEM_TAG_REPORT_ID: 407 parser->global.report_id = item_udata(item); 408 if (parser->global.report_id == 0 || 409 parser->global.report_id >= HID_MAX_IDS) { 410 hid_err(parser->device, "report_id %u is invalid\n", 411 parser->global.report_id); 412 return -1; 413 } 414 return 0; 415 416 default: 417 hid_err(parser->device, "unknown global tag 0x%x\n", item->tag); 418 return -1; 419 } 420 } 421 422 /* 423 * Process a local item. 424 */ 425 426 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item) 427 { 428 __u32 data; 429 unsigned n; 430 431 data = item_udata(item); 432 433 switch (item->tag) { 434 case HID_LOCAL_ITEM_TAG_DELIMITER: 435 436 if (data) { 437 /* 438 * We treat items before the first delimiter 439 * as global to all usage sets (branch 0). 440 * In the moment we process only these global 441 * items and the first delimiter set. 442 */ 443 if (parser->local.delimiter_depth != 0) { 444 hid_err(parser->device, "nested delimiters\n"); 445 return -1; 446 } 447 parser->local.delimiter_depth++; 448 parser->local.delimiter_branch++; 449 } else { 450 if (parser->local.delimiter_depth < 1) { 451 hid_err(parser->device, "bogus close delimiter\n"); 452 return -1; 453 } 454 parser->local.delimiter_depth--; 455 } 456 return 0; 457 458 case HID_LOCAL_ITEM_TAG_USAGE: 459 460 if (parser->local.delimiter_branch > 1) { 461 dbg_hid("alternative usage ignored\n"); 462 return 0; 463 } 464 465 if (item->size <= 2) 466 data = (parser->global.usage_page << 16) + data; 467 468 return hid_add_usage(parser, data); 469 470 case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM: 471 472 if (parser->local.delimiter_branch > 1) { 473 dbg_hid("alternative usage ignored\n"); 474 return 0; 475 } 476 477 if (item->size <= 2) 478 data = (parser->global.usage_page << 16) + data; 479 480 parser->local.usage_minimum = data; 481 return 0; 482 483 case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM: 484 485 if (parser->local.delimiter_branch > 1) { 486 dbg_hid("alternative usage ignored\n"); 487 return 0; 488 } 489 490 if (item->size <= 2) 491 data = (parser->global.usage_page << 16) + data; 492 493 for (n = parser->local.usage_minimum; n <= data; n++) 494 if (hid_add_usage(parser, n)) { 495 dbg_hid("hid_add_usage failed\n"); 496 return -1; 497 } 498 return 0; 499 500 default: 501 502 dbg_hid("unknown local item tag 0x%x\n", item->tag); 503 return 0; 504 } 505 return 0; 506 } 507 508 /* 509 * Process a main item. 510 */ 511 512 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item) 513 { 514 __u32 data; 515 int ret; 516 517 data = item_udata(item); 518 519 switch (item->tag) { 520 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION: 521 ret = open_collection(parser, data & 0xff); 522 break; 523 case HID_MAIN_ITEM_TAG_END_COLLECTION: 524 ret = close_collection(parser); 525 break; 526 case HID_MAIN_ITEM_TAG_INPUT: 527 ret = hid_add_field(parser, HID_INPUT_REPORT, data); 528 break; 529 case HID_MAIN_ITEM_TAG_OUTPUT: 530 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data); 531 break; 532 case HID_MAIN_ITEM_TAG_FEATURE: 533 ret = hid_add_field(parser, HID_FEATURE_REPORT, data); 534 break; 535 default: 536 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag); 537 ret = 0; 538 } 539 540 memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */ 541 542 return ret; 543 } 544 545 /* 546 * Process a reserved item. 547 */ 548 549 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item) 550 { 551 dbg_hid("reserved item type, tag 0x%x\n", item->tag); 552 return 0; 553 } 554 555 /* 556 * Free a report and all registered fields. The field->usage and 557 * field->value table's are allocated behind the field, so we need 558 * only to free(field) itself. 559 */ 560 561 static void hid_free_report(struct hid_report *report) 562 { 563 unsigned n; 564 565 for (n = 0; n < report->maxfield; n++) 566 kfree(report->field[n]); 567 kfree(report); 568 } 569 570 /* 571 * Close report. This function returns the device 572 * state to the point prior to hid_open_report(). 573 */ 574 static void hid_close_report(struct hid_device *device) 575 { 576 unsigned i, j; 577 578 for (i = 0; i < HID_REPORT_TYPES; i++) { 579 struct hid_report_enum *report_enum = device->report_enum + i; 580 581 for (j = 0; j < HID_MAX_IDS; j++) { 582 struct hid_report *report = report_enum->report_id_hash[j]; 583 if (report) 584 hid_free_report(report); 585 } 586 memset(report_enum, 0, sizeof(*report_enum)); 587 INIT_LIST_HEAD(&report_enum->report_list); 588 } 589 590 kfree(device->rdesc); 591 device->rdesc = NULL; 592 device->rsize = 0; 593 594 kfree(device->collection); 595 device->collection = NULL; 596 device->collection_size = 0; 597 device->maxcollection = 0; 598 device->maxapplication = 0; 599 600 device->status &= ~HID_STAT_PARSED; 601 } 602 603 /* 604 * Free a device structure, all reports, and all fields. 605 */ 606 607 static void hid_device_release(struct device *dev) 608 { 609 struct hid_device *hid = container_of(dev, struct hid_device, dev); 610 611 hid_close_report(hid); 612 kfree(hid->dev_rdesc); 613 kfree(hid); 614 } 615 616 /* 617 * Fetch a report description item from the data stream. We support long 618 * items, though they are not used yet. 619 */ 620 621 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item) 622 { 623 u8 b; 624 625 if ((end - start) <= 0) 626 return NULL; 627 628 b = *start++; 629 630 item->type = (b >> 2) & 3; 631 item->tag = (b >> 4) & 15; 632 633 if (item->tag == HID_ITEM_TAG_LONG) { 634 635 item->format = HID_ITEM_FORMAT_LONG; 636 637 if ((end - start) < 2) 638 return NULL; 639 640 item->size = *start++; 641 item->tag = *start++; 642 643 if ((end - start) < item->size) 644 return NULL; 645 646 item->data.longdata = start; 647 start += item->size; 648 return start; 649 } 650 651 item->format = HID_ITEM_FORMAT_SHORT; 652 item->size = b & 3; 653 654 switch (item->size) { 655 case 0: 656 return start; 657 658 case 1: 659 if ((end - start) < 1) 660 return NULL; 661 item->data.u8 = *start++; 662 return start; 663 664 case 2: 665 if ((end - start) < 2) 666 return NULL; 667 item->data.u16 = get_unaligned_le16(start); 668 start = (__u8 *)((__le16 *)start + 1); 669 return start; 670 671 case 3: 672 item->size++; 673 if ((end - start) < 4) 674 return NULL; 675 item->data.u32 = get_unaligned_le32(start); 676 start = (__u8 *)((__le32 *)start + 1); 677 return start; 678 } 679 680 return NULL; 681 } 682 683 static void hid_scan_input_usage(struct hid_parser *parser, u32 usage) 684 { 685 struct hid_device *hid = parser->device; 686 687 if (usage == HID_DG_CONTACTID) 688 hid->group = HID_GROUP_MULTITOUCH; 689 } 690 691 static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage) 692 { 693 if (usage == 0xff0000c5 && parser->global.report_count == 256 && 694 parser->global.report_size == 8) 695 parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8; 696 } 697 698 static void hid_scan_collection(struct hid_parser *parser, unsigned type) 699 { 700 struct hid_device *hid = parser->device; 701 702 if (((parser->global.usage_page << 16) == HID_UP_SENSOR) && 703 type == HID_COLLECTION_PHYSICAL) 704 hid->group = HID_GROUP_SENSOR_HUB; 705 } 706 707 static int hid_scan_main(struct hid_parser *parser, struct hid_item *item) 708 { 709 __u32 data; 710 int i; 711 712 data = item_udata(item); 713 714 switch (item->tag) { 715 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION: 716 hid_scan_collection(parser, data & 0xff); 717 break; 718 case HID_MAIN_ITEM_TAG_END_COLLECTION: 719 break; 720 case HID_MAIN_ITEM_TAG_INPUT: 721 /* ignore constant inputs, they will be ignored by hid-input */ 722 if (data & HID_MAIN_ITEM_CONSTANT) 723 break; 724 for (i = 0; i < parser->local.usage_index; i++) 725 hid_scan_input_usage(parser, parser->local.usage[i]); 726 break; 727 case HID_MAIN_ITEM_TAG_OUTPUT: 728 break; 729 case HID_MAIN_ITEM_TAG_FEATURE: 730 for (i = 0; i < parser->local.usage_index; i++) 731 hid_scan_feature_usage(parser, parser->local.usage[i]); 732 break; 733 } 734 735 /* Reset the local parser environment */ 736 memset(&parser->local, 0, sizeof(parser->local)); 737 738 return 0; 739 } 740 741 /* 742 * Scan a report descriptor before the device is added to the bus. 743 * Sets device groups and other properties that determine what driver 744 * to load. 745 */ 746 static int hid_scan_report(struct hid_device *hid) 747 { 748 struct hid_parser *parser; 749 struct hid_item item; 750 __u8 *start = hid->dev_rdesc; 751 __u8 *end = start + hid->dev_rsize; 752 static int (*dispatch_type[])(struct hid_parser *parser, 753 struct hid_item *item) = { 754 hid_scan_main, 755 hid_parser_global, 756 hid_parser_local, 757 hid_parser_reserved 758 }; 759 760 parser = vzalloc(sizeof(struct hid_parser)); 761 if (!parser) 762 return -ENOMEM; 763 764 parser->device = hid; 765 hid->group = HID_GROUP_GENERIC; 766 767 /* 768 * The parsing is simpler than the one in hid_open_report() as we should 769 * be robust against hid errors. Those errors will be raised by 770 * hid_open_report() anyway. 771 */ 772 while ((start = fetch_item(start, end, &item)) != NULL) 773 dispatch_type[item.type](parser, &item); 774 775 /* 776 * Handle special flags set during scanning. 777 */ 778 if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) && 779 (hid->group == HID_GROUP_MULTITOUCH)) 780 hid->group = HID_GROUP_MULTITOUCH_WIN_8; 781 782 /* 783 * Vendor specific handlings 784 */ 785 if ((hid->vendor == USB_VENDOR_ID_SYNAPTICS) && 786 (hid->group == HID_GROUP_GENERIC)) 787 /* hid-rmi should take care of them, not hid-generic */ 788 hid->group = HID_GROUP_RMI; 789 790 vfree(parser); 791 return 0; 792 } 793 794 /** 795 * hid_parse_report - parse device report 796 * 797 * @device: hid device 798 * @start: report start 799 * @size: report size 800 * 801 * Allocate the device report as read by the bus driver. This function should 802 * only be called from parse() in ll drivers. 803 */ 804 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size) 805 { 806 hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL); 807 if (!hid->dev_rdesc) 808 return -ENOMEM; 809 hid->dev_rsize = size; 810 return 0; 811 } 812 EXPORT_SYMBOL_GPL(hid_parse_report); 813 814 static const char * const hid_report_names[] = { 815 "HID_INPUT_REPORT", 816 "HID_OUTPUT_REPORT", 817 "HID_FEATURE_REPORT", 818 }; 819 /** 820 * hid_validate_values - validate existing device report's value indexes 821 * 822 * @device: hid device 823 * @type: which report type to examine 824 * @id: which report ID to examine (0 for first) 825 * @field_index: which report field to examine 826 * @report_counts: expected number of values 827 * 828 * Validate the number of values in a given field of a given report, after 829 * parsing. 830 */ 831 struct hid_report *hid_validate_values(struct hid_device *hid, 832 unsigned int type, unsigned int id, 833 unsigned int field_index, 834 unsigned int report_counts) 835 { 836 struct hid_report *report; 837 838 if (type > HID_FEATURE_REPORT) { 839 hid_err(hid, "invalid HID report type %u\n", type); 840 return NULL; 841 } 842 843 if (id >= HID_MAX_IDS) { 844 hid_err(hid, "invalid HID report id %u\n", id); 845 return NULL; 846 } 847 848 /* 849 * Explicitly not using hid_get_report() here since it depends on 850 * ->numbered being checked, which may not always be the case when 851 * drivers go to access report values. 852 */ 853 if (id == 0) { 854 /* 855 * Validating on id 0 means we should examine the first 856 * report in the list. 857 */ 858 report = list_entry( 859 hid->report_enum[type].report_list.next, 860 struct hid_report, list); 861 } else { 862 report = hid->report_enum[type].report_id_hash[id]; 863 } 864 if (!report) { 865 hid_err(hid, "missing %s %u\n", hid_report_names[type], id); 866 return NULL; 867 } 868 if (report->maxfield <= field_index) { 869 hid_err(hid, "not enough fields in %s %u\n", 870 hid_report_names[type], id); 871 return NULL; 872 } 873 if (report->field[field_index]->report_count < report_counts) { 874 hid_err(hid, "not enough values in %s %u field %u\n", 875 hid_report_names[type], id, field_index); 876 return NULL; 877 } 878 return report; 879 } 880 EXPORT_SYMBOL_GPL(hid_validate_values); 881 882 /** 883 * hid_open_report - open a driver-specific device report 884 * 885 * @device: hid device 886 * 887 * Parse a report description into a hid_device structure. Reports are 888 * enumerated, fields are attached to these reports. 889 * 0 returned on success, otherwise nonzero error value. 890 * 891 * This function (or the equivalent hid_parse() macro) should only be 892 * called from probe() in drivers, before starting the device. 893 */ 894 int hid_open_report(struct hid_device *device) 895 { 896 struct hid_parser *parser; 897 struct hid_item item; 898 unsigned int size; 899 __u8 *start; 900 __u8 *buf; 901 __u8 *end; 902 int ret; 903 static int (*dispatch_type[])(struct hid_parser *parser, 904 struct hid_item *item) = { 905 hid_parser_main, 906 hid_parser_global, 907 hid_parser_local, 908 hid_parser_reserved 909 }; 910 911 if (WARN_ON(device->status & HID_STAT_PARSED)) 912 return -EBUSY; 913 914 start = device->dev_rdesc; 915 if (WARN_ON(!start)) 916 return -ENODEV; 917 size = device->dev_rsize; 918 919 buf = kmemdup(start, size, GFP_KERNEL); 920 if (buf == NULL) 921 return -ENOMEM; 922 923 if (device->driver->report_fixup) 924 start = device->driver->report_fixup(device, buf, &size); 925 else 926 start = buf; 927 928 start = kmemdup(start, size, GFP_KERNEL); 929 kfree(buf); 930 if (start == NULL) 931 return -ENOMEM; 932 933 device->rdesc = start; 934 device->rsize = size; 935 936 parser = vzalloc(sizeof(struct hid_parser)); 937 if (!parser) { 938 ret = -ENOMEM; 939 goto err; 940 } 941 942 parser->device = device; 943 944 end = start + size; 945 946 device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS, 947 sizeof(struct hid_collection), GFP_KERNEL); 948 if (!device->collection) { 949 ret = -ENOMEM; 950 goto err; 951 } 952 device->collection_size = HID_DEFAULT_NUM_COLLECTIONS; 953 954 ret = -EINVAL; 955 while ((start = fetch_item(start, end, &item)) != NULL) { 956 957 if (item.format != HID_ITEM_FORMAT_SHORT) { 958 hid_err(device, "unexpected long global item\n"); 959 goto err; 960 } 961 962 if (dispatch_type[item.type](parser, &item)) { 963 hid_err(device, "item %u %u %u %u parsing failed\n", 964 item.format, (unsigned)item.size, 965 (unsigned)item.type, (unsigned)item.tag); 966 goto err; 967 } 968 969 if (start == end) { 970 if (parser->collection_stack_ptr) { 971 hid_err(device, "unbalanced collection at end of report description\n"); 972 goto err; 973 } 974 if (parser->local.delimiter_depth) { 975 hid_err(device, "unbalanced delimiter at end of report description\n"); 976 goto err; 977 } 978 vfree(parser); 979 device->status |= HID_STAT_PARSED; 980 return 0; 981 } 982 } 983 984 hid_err(device, "item fetching failed at offset %d\n", (int)(end - start)); 985 err: 986 vfree(parser); 987 hid_close_report(device); 988 return ret; 989 } 990 EXPORT_SYMBOL_GPL(hid_open_report); 991 992 /* 993 * Convert a signed n-bit integer to signed 32-bit integer. Common 994 * cases are done through the compiler, the screwed things has to be 995 * done by hand. 996 */ 997 998 static s32 snto32(__u32 value, unsigned n) 999 { 1000 switch (n) { 1001 case 8: return ((__s8)value); 1002 case 16: return ((__s16)value); 1003 case 32: return ((__s32)value); 1004 } 1005 return value & (1 << (n - 1)) ? value | (-1 << n) : value; 1006 } 1007 1008 s32 hid_snto32(__u32 value, unsigned n) 1009 { 1010 return snto32(value, n); 1011 } 1012 EXPORT_SYMBOL_GPL(hid_snto32); 1013 1014 /* 1015 * Convert a signed 32-bit integer to a signed n-bit integer. 1016 */ 1017 1018 static u32 s32ton(__s32 value, unsigned n) 1019 { 1020 s32 a = value >> (n - 1); 1021 if (a && a != -1) 1022 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1; 1023 return value & ((1 << n) - 1); 1024 } 1025 1026 /* 1027 * Extract/implement a data field from/to a little endian report (bit array). 1028 * 1029 * Code sort-of follows HID spec: 1030 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf 1031 * 1032 * While the USB HID spec allows unlimited length bit fields in "report 1033 * descriptors", most devices never use more than 16 bits. 1034 * One model of UPS is claimed to report "LINEV" as a 32-bit field. 1035 * Search linux-kernel and linux-usb-devel archives for "hid-core extract". 1036 */ 1037 1038 static __u32 extract(const struct hid_device *hid, __u8 *report, 1039 unsigned offset, unsigned n) 1040 { 1041 u64 x; 1042 1043 if (n > 32) 1044 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n", 1045 n, current->comm); 1046 1047 report += offset >> 3; /* adjust byte index */ 1048 offset &= 7; /* now only need bit offset into one byte */ 1049 x = get_unaligned_le64(report); 1050 x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */ 1051 return (u32) x; 1052 } 1053 1054 /* 1055 * "implement" : set bits in a little endian bit stream. 1056 * Same concepts as "extract" (see comments above). 1057 * The data mangled in the bit stream remains in little endian 1058 * order the whole time. It make more sense to talk about 1059 * endianness of register values by considering a register 1060 * a "cached" copy of the little endiad bit stream. 1061 */ 1062 static void implement(const struct hid_device *hid, __u8 *report, 1063 unsigned offset, unsigned n, __u32 value) 1064 { 1065 u64 x; 1066 u64 m = (1ULL << n) - 1; 1067 1068 if (n > 32) 1069 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n", 1070 __func__, n, current->comm); 1071 1072 if (value > m) 1073 hid_warn(hid, "%s() called with too large value %d! (%s)\n", 1074 __func__, value, current->comm); 1075 WARN_ON(value > m); 1076 value &= m; 1077 1078 report += offset >> 3; 1079 offset &= 7; 1080 1081 x = get_unaligned_le64(report); 1082 x &= ~(m << offset); 1083 x |= ((u64)value) << offset; 1084 put_unaligned_le64(x, report); 1085 } 1086 1087 /* 1088 * Search an array for a value. 1089 */ 1090 1091 static int search(__s32 *array, __s32 value, unsigned n) 1092 { 1093 while (n--) { 1094 if (*array++ == value) 1095 return 0; 1096 } 1097 return -1; 1098 } 1099 1100 /** 1101 * hid_match_report - check if driver's raw_event should be called 1102 * 1103 * @hid: hid device 1104 * @report_type: type to match against 1105 * 1106 * compare hid->driver->report_table->report_type to report->type 1107 */ 1108 static int hid_match_report(struct hid_device *hid, struct hid_report *report) 1109 { 1110 const struct hid_report_id *id = hid->driver->report_table; 1111 1112 if (!id) /* NULL means all */ 1113 return 1; 1114 1115 for (; id->report_type != HID_TERMINATOR; id++) 1116 if (id->report_type == HID_ANY_ID || 1117 id->report_type == report->type) 1118 return 1; 1119 return 0; 1120 } 1121 1122 /** 1123 * hid_match_usage - check if driver's event should be called 1124 * 1125 * @hid: hid device 1126 * @usage: usage to match against 1127 * 1128 * compare hid->driver->usage_table->usage_{type,code} to 1129 * usage->usage_{type,code} 1130 */ 1131 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage) 1132 { 1133 const struct hid_usage_id *id = hid->driver->usage_table; 1134 1135 if (!id) /* NULL means all */ 1136 return 1; 1137 1138 for (; id->usage_type != HID_ANY_ID - 1; id++) 1139 if ((id->usage_hid == HID_ANY_ID || 1140 id->usage_hid == usage->hid) && 1141 (id->usage_type == HID_ANY_ID || 1142 id->usage_type == usage->type) && 1143 (id->usage_code == HID_ANY_ID || 1144 id->usage_code == usage->code)) 1145 return 1; 1146 return 0; 1147 } 1148 1149 static void hid_process_event(struct hid_device *hid, struct hid_field *field, 1150 struct hid_usage *usage, __s32 value, int interrupt) 1151 { 1152 struct hid_driver *hdrv = hid->driver; 1153 int ret; 1154 1155 if (!list_empty(&hid->debug_list)) 1156 hid_dump_input(hid, usage, value); 1157 1158 if (hdrv && hdrv->event && hid_match_usage(hid, usage)) { 1159 ret = hdrv->event(hid, field, usage, value); 1160 if (ret != 0) { 1161 if (ret < 0) 1162 hid_err(hid, "%s's event failed with %d\n", 1163 hdrv->name, ret); 1164 return; 1165 } 1166 } 1167 1168 if (hid->claimed & HID_CLAIMED_INPUT) 1169 hidinput_hid_event(hid, field, usage, value); 1170 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event) 1171 hid->hiddev_hid_event(hid, field, usage, value); 1172 } 1173 1174 /* 1175 * Analyse a received field, and fetch the data from it. The field 1176 * content is stored for next report processing (we do differential 1177 * reporting to the layer). 1178 */ 1179 1180 static void hid_input_field(struct hid_device *hid, struct hid_field *field, 1181 __u8 *data, int interrupt) 1182 { 1183 unsigned n; 1184 unsigned count = field->report_count; 1185 unsigned offset = field->report_offset; 1186 unsigned size = field->report_size; 1187 __s32 min = field->logical_minimum; 1188 __s32 max = field->logical_maximum; 1189 __s32 *value; 1190 1191 value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC); 1192 if (!value) 1193 return; 1194 1195 for (n = 0; n < count; n++) { 1196 1197 value[n] = min < 0 ? 1198 snto32(extract(hid, data, offset + n * size, size), 1199 size) : 1200 extract(hid, data, offset + n * size, size); 1201 1202 /* Ignore report if ErrorRollOver */ 1203 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) && 1204 value[n] >= min && value[n] <= max && 1205 field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1) 1206 goto exit; 1207 } 1208 1209 for (n = 0; n < count; n++) { 1210 1211 if (HID_MAIN_ITEM_VARIABLE & field->flags) { 1212 hid_process_event(hid, field, &field->usage[n], value[n], interrupt); 1213 continue; 1214 } 1215 1216 if (field->value[n] >= min && field->value[n] <= max 1217 && field->usage[field->value[n] - min].hid 1218 && search(value, field->value[n], count)) 1219 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt); 1220 1221 if (value[n] >= min && value[n] <= max 1222 && field->usage[value[n] - min].hid 1223 && search(field->value, value[n], count)) 1224 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt); 1225 } 1226 1227 memcpy(field->value, value, count * sizeof(__s32)); 1228 exit: 1229 kfree(value); 1230 } 1231 1232 /* 1233 * Output the field into the report. 1234 */ 1235 1236 static void hid_output_field(const struct hid_device *hid, 1237 struct hid_field *field, __u8 *data) 1238 { 1239 unsigned count = field->report_count; 1240 unsigned offset = field->report_offset; 1241 unsigned size = field->report_size; 1242 unsigned n; 1243 1244 for (n = 0; n < count; n++) { 1245 if (field->logical_minimum < 0) /* signed values */ 1246 implement(hid, data, offset + n * size, size, 1247 s32ton(field->value[n], size)); 1248 else /* unsigned values */ 1249 implement(hid, data, offset + n * size, size, 1250 field->value[n]); 1251 } 1252 } 1253 1254 /* 1255 * Create a report. 'data' has to be allocated using 1256 * hid_alloc_report_buf() so that it has proper size. 1257 */ 1258 1259 void hid_output_report(struct hid_report *report, __u8 *data) 1260 { 1261 unsigned n; 1262 1263 if (report->id > 0) 1264 *data++ = report->id; 1265 1266 memset(data, 0, ((report->size - 1) >> 3) + 1); 1267 for (n = 0; n < report->maxfield; n++) 1268 hid_output_field(report->device, report->field[n], data); 1269 } 1270 EXPORT_SYMBOL_GPL(hid_output_report); 1271 1272 static int hid_report_len(struct hid_report *report) 1273 { 1274 /* equivalent to DIV_ROUND_UP(report->size, 8) + !!(report->id > 0) */ 1275 return ((report->size - 1) >> 3) + 1 + (report->id > 0); 1276 } 1277 1278 /* 1279 * Allocator for buffer that is going to be passed to hid_output_report() 1280 */ 1281 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags) 1282 { 1283 /* 1284 * 7 extra bytes are necessary to achieve proper functionality 1285 * of implement() working on 8 byte chunks 1286 */ 1287 1288 int len = hid_report_len(report) + 7; 1289 1290 return kmalloc(len, flags); 1291 } 1292 EXPORT_SYMBOL_GPL(hid_alloc_report_buf); 1293 1294 /* 1295 * Set a field value. The report this field belongs to has to be 1296 * created and transferred to the device, to set this value in the 1297 * device. 1298 */ 1299 1300 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value) 1301 { 1302 unsigned size; 1303 1304 if (!field) 1305 return -1; 1306 1307 size = field->report_size; 1308 1309 hid_dump_input(field->report->device, field->usage + offset, value); 1310 1311 if (offset >= field->report_count) { 1312 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n", 1313 offset, field->report_count); 1314 return -1; 1315 } 1316 if (field->logical_minimum < 0) { 1317 if (value != snto32(s32ton(value, size), size)) { 1318 hid_err(field->report->device, "value %d is out of range\n", value); 1319 return -1; 1320 } 1321 } 1322 field->value[offset] = value; 1323 return 0; 1324 } 1325 EXPORT_SYMBOL_GPL(hid_set_field); 1326 1327 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum, 1328 const u8 *data) 1329 { 1330 struct hid_report *report; 1331 unsigned int n = 0; /* Normally report number is 0 */ 1332 1333 /* Device uses numbered reports, data[0] is report number */ 1334 if (report_enum->numbered) 1335 n = *data; 1336 1337 report = report_enum->report_id_hash[n]; 1338 if (report == NULL) 1339 dbg_hid("undefined report_id %u received\n", n); 1340 1341 return report; 1342 } 1343 1344 /* 1345 * Implement a generic .request() callback, using .raw_request() 1346 * DO NOT USE in hid drivers directly, but through hid_hw_request instead. 1347 */ 1348 void __hid_request(struct hid_device *hid, struct hid_report *report, 1349 int reqtype) 1350 { 1351 char *buf; 1352 int ret; 1353 int len; 1354 1355 buf = hid_alloc_report_buf(report, GFP_KERNEL); 1356 if (!buf) 1357 return; 1358 1359 len = hid_report_len(report); 1360 1361 if (reqtype == HID_REQ_SET_REPORT) 1362 hid_output_report(report, buf); 1363 1364 ret = hid->ll_driver->raw_request(hid, report->id, buf, len, 1365 report->type, reqtype); 1366 if (ret < 0) { 1367 dbg_hid("unable to complete request: %d\n", ret); 1368 goto out; 1369 } 1370 1371 if (reqtype == HID_REQ_GET_REPORT) 1372 hid_input_report(hid, report->type, buf, ret, 0); 1373 1374 out: 1375 kfree(buf); 1376 } 1377 EXPORT_SYMBOL_GPL(__hid_request); 1378 1379 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, 1380 int interrupt) 1381 { 1382 struct hid_report_enum *report_enum = hid->report_enum + type; 1383 struct hid_report *report; 1384 struct hid_driver *hdrv; 1385 unsigned int a; 1386 int rsize, csize = size; 1387 u8 *cdata = data; 1388 int ret = 0; 1389 1390 report = hid_get_report(report_enum, data); 1391 if (!report) 1392 goto out; 1393 1394 if (report_enum->numbered) { 1395 cdata++; 1396 csize--; 1397 } 1398 1399 rsize = ((report->size - 1) >> 3) + 1; 1400 1401 if (rsize > HID_MAX_BUFFER_SIZE) 1402 rsize = HID_MAX_BUFFER_SIZE; 1403 1404 if (csize < rsize) { 1405 dbg_hid("report %d is too short, (%d < %d)\n", report->id, 1406 csize, rsize); 1407 memset(cdata + csize, 0, rsize - csize); 1408 } 1409 1410 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event) 1411 hid->hiddev_report_event(hid, report); 1412 if (hid->claimed & HID_CLAIMED_HIDRAW) { 1413 ret = hidraw_report_event(hid, data, size); 1414 if (ret) 1415 goto out; 1416 } 1417 1418 if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) { 1419 for (a = 0; a < report->maxfield; a++) 1420 hid_input_field(hid, report->field[a], cdata, interrupt); 1421 hdrv = hid->driver; 1422 if (hdrv && hdrv->report) 1423 hdrv->report(hid, report); 1424 } 1425 1426 if (hid->claimed & HID_CLAIMED_INPUT) 1427 hidinput_report_event(hid, report); 1428 out: 1429 return ret; 1430 } 1431 EXPORT_SYMBOL_GPL(hid_report_raw_event); 1432 1433 /** 1434 * hid_input_report - report data from lower layer (usb, bt...) 1435 * 1436 * @hid: hid device 1437 * @type: HID report type (HID_*_REPORT) 1438 * @data: report contents 1439 * @size: size of data parameter 1440 * @interrupt: distinguish between interrupt and control transfers 1441 * 1442 * This is data entry for lower layers. 1443 */ 1444 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt) 1445 { 1446 struct hid_report_enum *report_enum; 1447 struct hid_driver *hdrv; 1448 struct hid_report *report; 1449 int ret = 0; 1450 1451 if (!hid) 1452 return -ENODEV; 1453 1454 if (down_trylock(&hid->driver_input_lock)) 1455 return -EBUSY; 1456 1457 if (!hid->driver) { 1458 ret = -ENODEV; 1459 goto unlock; 1460 } 1461 report_enum = hid->report_enum + type; 1462 hdrv = hid->driver; 1463 1464 if (!size) { 1465 dbg_hid("empty report\n"); 1466 ret = -1; 1467 goto unlock; 1468 } 1469 1470 /* Avoid unnecessary overhead if debugfs is disabled */ 1471 if (!list_empty(&hid->debug_list)) 1472 hid_dump_report(hid, type, data, size); 1473 1474 report = hid_get_report(report_enum, data); 1475 1476 if (!report) { 1477 ret = -1; 1478 goto unlock; 1479 } 1480 1481 if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) { 1482 ret = hdrv->raw_event(hid, report, data, size); 1483 if (ret < 0) 1484 goto unlock; 1485 } 1486 1487 ret = hid_report_raw_event(hid, type, data, size, interrupt); 1488 1489 unlock: 1490 up(&hid->driver_input_lock); 1491 return ret; 1492 } 1493 EXPORT_SYMBOL_GPL(hid_input_report); 1494 1495 static bool hid_match_one_id(struct hid_device *hdev, 1496 const struct hid_device_id *id) 1497 { 1498 return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) && 1499 (id->group == HID_GROUP_ANY || id->group == hdev->group) && 1500 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) && 1501 (id->product == HID_ANY_ID || id->product == hdev->product); 1502 } 1503 1504 const struct hid_device_id *hid_match_id(struct hid_device *hdev, 1505 const struct hid_device_id *id) 1506 { 1507 for (; id->bus; id++) 1508 if (hid_match_one_id(hdev, id)) 1509 return id; 1510 1511 return NULL; 1512 } 1513 1514 static const struct hid_device_id hid_hiddev_list[] = { 1515 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) }, 1516 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) }, 1517 { } 1518 }; 1519 1520 static bool hid_hiddev(struct hid_device *hdev) 1521 { 1522 return !!hid_match_id(hdev, hid_hiddev_list); 1523 } 1524 1525 1526 static ssize_t 1527 read_report_descriptor(struct file *filp, struct kobject *kobj, 1528 struct bin_attribute *attr, 1529 char *buf, loff_t off, size_t count) 1530 { 1531 struct device *dev = container_of(kobj, struct device, kobj); 1532 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1533 1534 if (off >= hdev->rsize) 1535 return 0; 1536 1537 if (off + count > hdev->rsize) 1538 count = hdev->rsize - off; 1539 1540 memcpy(buf, hdev->rdesc + off, count); 1541 1542 return count; 1543 } 1544 1545 static struct bin_attribute dev_bin_attr_report_desc = { 1546 .attr = { .name = "report_descriptor", .mode = 0444 }, 1547 .read = read_report_descriptor, 1548 .size = HID_MAX_DESCRIPTOR_SIZE, 1549 }; 1550 1551 int hid_connect(struct hid_device *hdev, unsigned int connect_mask) 1552 { 1553 static const char *types[] = { "Device", "Pointer", "Mouse", "Device", 1554 "Joystick", "Gamepad", "Keyboard", "Keypad", 1555 "Multi-Axis Controller" 1556 }; 1557 const char *type, *bus; 1558 char buf[64]; 1559 unsigned int i; 1560 int len; 1561 int ret; 1562 1563 if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE) 1564 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV); 1565 if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE) 1566 connect_mask |= HID_CONNECT_HIDINPUT_FORCE; 1567 if (hdev->bus != BUS_USB) 1568 connect_mask &= ~HID_CONNECT_HIDDEV; 1569 if (hid_hiddev(hdev)) 1570 connect_mask |= HID_CONNECT_HIDDEV_FORCE; 1571 1572 if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev, 1573 connect_mask & HID_CONNECT_HIDINPUT_FORCE)) 1574 hdev->claimed |= HID_CLAIMED_INPUT; 1575 1576 if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect && 1577 !hdev->hiddev_connect(hdev, 1578 connect_mask & HID_CONNECT_HIDDEV_FORCE)) 1579 hdev->claimed |= HID_CLAIMED_HIDDEV; 1580 if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev)) 1581 hdev->claimed |= HID_CLAIMED_HIDRAW; 1582 1583 /* Drivers with the ->raw_event callback set are not required to connect 1584 * to any other listener. */ 1585 if (!hdev->claimed && !hdev->driver->raw_event) { 1586 hid_err(hdev, "device has no listeners, quitting\n"); 1587 return -ENODEV; 1588 } 1589 1590 if ((hdev->claimed & HID_CLAIMED_INPUT) && 1591 (connect_mask & HID_CONNECT_FF) && hdev->ff_init) 1592 hdev->ff_init(hdev); 1593 1594 len = 0; 1595 if (hdev->claimed & HID_CLAIMED_INPUT) 1596 len += sprintf(buf + len, "input"); 1597 if (hdev->claimed & HID_CLAIMED_HIDDEV) 1598 len += sprintf(buf + len, "%shiddev%d", len ? "," : "", 1599 hdev->minor); 1600 if (hdev->claimed & HID_CLAIMED_HIDRAW) 1601 len += sprintf(buf + len, "%shidraw%d", len ? "," : "", 1602 ((struct hidraw *)hdev->hidraw)->minor); 1603 1604 type = "Device"; 1605 for (i = 0; i < hdev->maxcollection; i++) { 1606 struct hid_collection *col = &hdev->collection[i]; 1607 if (col->type == HID_COLLECTION_APPLICATION && 1608 (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK && 1609 (col->usage & 0xffff) < ARRAY_SIZE(types)) { 1610 type = types[col->usage & 0xffff]; 1611 break; 1612 } 1613 } 1614 1615 switch (hdev->bus) { 1616 case BUS_USB: 1617 bus = "USB"; 1618 break; 1619 case BUS_BLUETOOTH: 1620 bus = "BLUETOOTH"; 1621 break; 1622 default: 1623 bus = "<UNKNOWN>"; 1624 } 1625 1626 ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc); 1627 if (ret) 1628 hid_warn(hdev, 1629 "can't create sysfs report descriptor attribute err: %d\n", ret); 1630 1631 hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n", 1632 buf, bus, hdev->version >> 8, hdev->version & 0xff, 1633 type, hdev->name, hdev->phys); 1634 1635 return 0; 1636 } 1637 EXPORT_SYMBOL_GPL(hid_connect); 1638 1639 void hid_disconnect(struct hid_device *hdev) 1640 { 1641 device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc); 1642 if (hdev->claimed & HID_CLAIMED_INPUT) 1643 hidinput_disconnect(hdev); 1644 if (hdev->claimed & HID_CLAIMED_HIDDEV) 1645 hdev->hiddev_disconnect(hdev); 1646 if (hdev->claimed & HID_CLAIMED_HIDRAW) 1647 hidraw_disconnect(hdev); 1648 } 1649 EXPORT_SYMBOL_GPL(hid_disconnect); 1650 1651 /* 1652 * A list of devices for which there is a specialized driver on HID bus. 1653 * 1654 * Please note that for multitouch devices (driven by hid-multitouch driver), 1655 * there is a proper autodetection and autoloading in place (based on presence 1656 * of HID_DG_CONTACTID), so those devices don't need to be added to this list, 1657 * as we are doing the right thing in hid_scan_usage(). 1658 * 1659 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type 1660 * physical is found inside a usage page of type sensor, hid-sensor-hub will be 1661 * used as a driver. See hid_scan_report(). 1662 */ 1663 static const struct hid_device_id hid_have_special_driver[] = { 1664 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) }, 1665 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) }, 1666 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) }, 1667 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) }, 1668 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) }, 1669 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) }, 1670 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) }, 1671 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) }, 1672 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, 1673 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, 1674 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, 1675 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, 1676 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, 1677 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, 1678 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, 1679 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, 1680 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, 1681 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, 1682 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, 1683 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) }, 1684 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) }, 1685 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) }, 1686 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) }, 1687 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) }, 1688 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) }, 1689 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, 1690 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, 1691 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, 1692 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) }, 1693 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) }, 1694 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) }, 1695 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) }, 1696 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) }, 1697 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) }, 1698 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) }, 1699 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) }, 1700 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, 1701 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, 1702 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, 1703 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, 1704 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, 1705 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, 1706 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, 1707 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, 1708 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, 1709 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) }, 1710 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) }, 1711 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) }, 1712 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) }, 1713 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) }, 1714 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) }, 1715 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) }, 1716 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) }, 1717 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) }, 1718 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) }, 1719 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) }, 1720 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) }, 1721 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) }, 1722 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) }, 1723 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) }, 1724 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) }, 1725 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) }, 1726 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) }, 1727 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) }, 1728 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) }, 1729 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) }, 1730 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, 1731 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, 1732 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, 1733 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) }, 1734 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) }, 1735 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) }, 1736 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) }, 1737 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) }, 1738 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) }, 1739 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) }, 1740 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) }, 1741 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) }, 1742 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) }, 1743 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) }, 1744 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) }, 1745 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, 1746 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, 1747 { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) }, 1748 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) }, 1749 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) }, 1750 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) }, 1751 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, 1752 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) }, 1753 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, 1754 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) }, 1755 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) }, 1756 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) }, 1757 { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) }, 1758 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) }, 1759 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, 1760 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, 1761 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) }, 1762 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) }, 1763 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, 1764 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) }, 1765 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) }, 1766 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) }, 1767 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) }, 1768 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) }, 1769 { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) }, 1770 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, 1771 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) }, 1772 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) }, 1773 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) }, 1774 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) }, 1775 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, 1776 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, 1777 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) }, 1778 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) }, 1779 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) }, 1780 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) }, 1781 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) }, 1782 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) }, 1783 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) }, 1784 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) }, 1785 { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_580) }, 1786 { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) }, 1787 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) }, 1788 { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) }, 1789 { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) }, 1790 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) }, 1791 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) }, 1792 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) }, 1793 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) }, 1794 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) }, 1795 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) }, 1796 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) }, 1797 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, 1798 { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) }, 1799 #if IS_ENABLED(CONFIG_HID_LENOVO_TPKBD) 1800 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) }, 1801 #endif 1802 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, 1803 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, 1804 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) }, 1805 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) }, 1806 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) }, 1807 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) }, 1808 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) }, 1809 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) }, 1810 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) }, 1811 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) }, 1812 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) }, 1813 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) }, 1814 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) }, 1815 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) }, 1816 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) }, 1817 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) }, 1818 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) }, 1819 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) }, 1820 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) }, 1821 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) }, 1822 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) }, 1823 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) }, 1824 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) }, 1825 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) }, 1826 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) }, 1827 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) }, 1828 #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ) 1829 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) }, 1830 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) }, 1831 #endif 1832 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) }, 1833 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) }, 1834 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) }, 1835 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) }, 1836 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) }, 1837 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) }, 1838 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) }, 1839 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) }, 1840 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) }, 1841 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) }, 1842 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) }, 1843 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, 1844 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) }, 1845 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, 1846 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) }, 1847 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, 1848 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) }, 1849 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) }, 1850 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) }, 1851 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) }, 1852 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) }, 1853 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) }, 1854 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) }, 1855 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) }, 1856 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) }, 1857 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) }, 1858 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) }, 1859 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) }, 1860 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) }, 1861 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) }, 1862 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) }, 1863 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) }, 1864 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) }, 1865 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) }, 1866 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) }, 1867 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, 1868 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, 1869 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, 1870 { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) }, 1871 #if IS_ENABLED(CONFIG_HID_ROCCAT) 1872 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) }, 1873 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) }, 1874 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) }, 1875 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) }, 1876 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) }, 1877 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) }, 1878 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) }, 1879 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) }, 1880 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) }, 1881 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) }, 1882 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, 1883 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) }, 1884 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) }, 1885 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) }, 1886 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) }, 1887 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) }, 1888 #endif 1889 #if IS_ENABLED(CONFIG_HID_SAITEK) 1890 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) }, 1891 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) }, 1892 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) }, 1893 #endif 1894 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, 1895 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) }, 1896 { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, 1897 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) }, 1898 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) }, 1899 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) }, 1900 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, 1901 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) }, 1902 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, 1903 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) }, 1904 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) }, 1905 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) }, 1906 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) }, 1907 { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) }, 1908 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, 1909 { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) }, 1910 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) }, 1911 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) }, 1912 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) }, 1913 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) }, 1914 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) }, 1915 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) }, 1916 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) }, 1917 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) }, 1918 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) }, 1919 { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) }, 1920 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) }, 1921 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) }, 1922 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) }, 1923 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) }, 1924 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) }, 1925 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) }, 1926 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) }, 1927 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) }, 1928 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) }, 1929 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) }, 1930 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, 1931 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) }, 1932 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) }, 1933 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) }, 1934 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) }, 1935 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) }, 1936 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) }, 1937 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) }, 1938 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) }, 1939 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) }, 1940 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) }, 1941 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) }, 1942 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) }, 1943 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) }, 1944 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) }, 1945 { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) }, 1946 { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) }, 1947 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) }, 1948 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) }, 1949 { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) }, 1950 1951 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) }, 1952 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) }, 1953 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) }, 1954 { } 1955 }; 1956 1957 struct hid_dynid { 1958 struct list_head list; 1959 struct hid_device_id id; 1960 }; 1961 1962 /** 1963 * store_new_id - add a new HID device ID to this driver and re-probe devices 1964 * @driver: target device driver 1965 * @buf: buffer for scanning device ID data 1966 * @count: input size 1967 * 1968 * Adds a new dynamic hid device ID to this driver, 1969 * and causes the driver to probe for all devices again. 1970 */ 1971 static ssize_t store_new_id(struct device_driver *drv, const char *buf, 1972 size_t count) 1973 { 1974 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); 1975 struct hid_dynid *dynid; 1976 __u32 bus, vendor, product; 1977 unsigned long driver_data = 0; 1978 int ret; 1979 1980 ret = sscanf(buf, "%x %x %x %lx", 1981 &bus, &vendor, &product, &driver_data); 1982 if (ret < 3) 1983 return -EINVAL; 1984 1985 dynid = kzalloc(sizeof(*dynid), GFP_KERNEL); 1986 if (!dynid) 1987 return -ENOMEM; 1988 1989 dynid->id.bus = bus; 1990 dynid->id.group = HID_GROUP_ANY; 1991 dynid->id.vendor = vendor; 1992 dynid->id.product = product; 1993 dynid->id.driver_data = driver_data; 1994 1995 spin_lock(&hdrv->dyn_lock); 1996 list_add_tail(&dynid->list, &hdrv->dyn_list); 1997 spin_unlock(&hdrv->dyn_lock); 1998 1999 ret = driver_attach(&hdrv->driver); 2000 2001 return ret ? : count; 2002 } 2003 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id); 2004 2005 static void hid_free_dynids(struct hid_driver *hdrv) 2006 { 2007 struct hid_dynid *dynid, *n; 2008 2009 spin_lock(&hdrv->dyn_lock); 2010 list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) { 2011 list_del(&dynid->list); 2012 kfree(dynid); 2013 } 2014 spin_unlock(&hdrv->dyn_lock); 2015 } 2016 2017 static const struct hid_device_id *hid_match_device(struct hid_device *hdev, 2018 struct hid_driver *hdrv) 2019 { 2020 struct hid_dynid *dynid; 2021 2022 spin_lock(&hdrv->dyn_lock); 2023 list_for_each_entry(dynid, &hdrv->dyn_list, list) { 2024 if (hid_match_one_id(hdev, &dynid->id)) { 2025 spin_unlock(&hdrv->dyn_lock); 2026 return &dynid->id; 2027 } 2028 } 2029 spin_unlock(&hdrv->dyn_lock); 2030 2031 return hid_match_id(hdev, hdrv->id_table); 2032 } 2033 2034 static int hid_bus_match(struct device *dev, struct device_driver *drv) 2035 { 2036 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); 2037 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 2038 2039 return hid_match_device(hdev, hdrv) != NULL; 2040 } 2041 2042 static int hid_device_probe(struct device *dev) 2043 { 2044 struct hid_driver *hdrv = container_of(dev->driver, 2045 struct hid_driver, driver); 2046 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 2047 const struct hid_device_id *id; 2048 int ret = 0; 2049 2050 if (down_interruptible(&hdev->driver_lock)) 2051 return -EINTR; 2052 if (down_interruptible(&hdev->driver_input_lock)) { 2053 ret = -EINTR; 2054 goto unlock_driver_lock; 2055 } 2056 hdev->io_started = false; 2057 2058 if (!hdev->driver) { 2059 id = hid_match_device(hdev, hdrv); 2060 if (id == NULL) { 2061 ret = -ENODEV; 2062 goto unlock; 2063 } 2064 2065 hdev->driver = hdrv; 2066 if (hdrv->probe) { 2067 ret = hdrv->probe(hdev, id); 2068 } else { /* default probe */ 2069 ret = hid_open_report(hdev); 2070 if (!ret) 2071 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 2072 } 2073 if (ret) { 2074 hid_close_report(hdev); 2075 hdev->driver = NULL; 2076 } 2077 } 2078 unlock: 2079 if (!hdev->io_started) 2080 up(&hdev->driver_input_lock); 2081 unlock_driver_lock: 2082 up(&hdev->driver_lock); 2083 return ret; 2084 } 2085 2086 static int hid_device_remove(struct device *dev) 2087 { 2088 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 2089 struct hid_driver *hdrv; 2090 int ret = 0; 2091 2092 if (down_interruptible(&hdev->driver_lock)) 2093 return -EINTR; 2094 if (down_interruptible(&hdev->driver_input_lock)) { 2095 ret = -EINTR; 2096 goto unlock_driver_lock; 2097 } 2098 hdev->io_started = false; 2099 2100 hdrv = hdev->driver; 2101 if (hdrv) { 2102 if (hdrv->remove) 2103 hdrv->remove(hdev); 2104 else /* default remove */ 2105 hid_hw_stop(hdev); 2106 hid_close_report(hdev); 2107 hdev->driver = NULL; 2108 } 2109 2110 if (!hdev->io_started) 2111 up(&hdev->driver_input_lock); 2112 unlock_driver_lock: 2113 up(&hdev->driver_lock); 2114 return ret; 2115 } 2116 2117 static ssize_t modalias_show(struct device *dev, struct device_attribute *a, 2118 char *buf) 2119 { 2120 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 2121 int len; 2122 2123 len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n", 2124 hdev->bus, hdev->group, hdev->vendor, hdev->product); 2125 2126 return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len; 2127 } 2128 static DEVICE_ATTR_RO(modalias); 2129 2130 static struct attribute *hid_dev_attrs[] = { 2131 &dev_attr_modalias.attr, 2132 NULL, 2133 }; 2134 ATTRIBUTE_GROUPS(hid_dev); 2135 2136 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env) 2137 { 2138 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 2139 2140 if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X", 2141 hdev->bus, hdev->vendor, hdev->product)) 2142 return -ENOMEM; 2143 2144 if (add_uevent_var(env, "HID_NAME=%s", hdev->name)) 2145 return -ENOMEM; 2146 2147 if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys)) 2148 return -ENOMEM; 2149 2150 if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq)) 2151 return -ENOMEM; 2152 2153 if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X", 2154 hdev->bus, hdev->group, hdev->vendor, hdev->product)) 2155 return -ENOMEM; 2156 2157 return 0; 2158 } 2159 2160 static struct bus_type hid_bus_type = { 2161 .name = "hid", 2162 .dev_groups = hid_dev_groups, 2163 .match = hid_bus_match, 2164 .probe = hid_device_probe, 2165 .remove = hid_device_remove, 2166 .uevent = hid_uevent, 2167 }; 2168 2169 /* a list of devices that shouldn't be handled by HID core at all */ 2170 static const struct hid_device_id hid_ignore_list[] = { 2171 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) }, 2172 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) }, 2173 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) }, 2174 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) }, 2175 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) }, 2176 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) }, 2177 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) }, 2178 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) }, 2179 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) }, 2180 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) }, 2181 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) }, 2182 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) }, 2183 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)}, 2184 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)}, 2185 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) }, 2186 { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) }, 2187 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) }, 2188 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) }, 2189 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) }, 2190 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) }, 2191 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) }, 2192 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) }, 2193 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) }, 2194 { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) }, 2195 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) }, 2196 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) }, 2197 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) }, 2198 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) }, 2199 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) }, 2200 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) }, 2201 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) }, 2202 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) }, 2203 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) }, 2204 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) }, 2205 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) }, 2206 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) }, 2207 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) }, 2208 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) }, 2209 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) }, 2210 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) }, 2211 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) }, 2212 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) }, 2213 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) }, 2214 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) }, 2215 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) }, 2216 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) }, 2217 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) }, 2218 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) }, 2219 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) }, 2220 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) }, 2221 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) }, 2222 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) }, 2223 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) }, 2224 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) }, 2225 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) }, 2226 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) }, 2227 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) }, 2228 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) }, 2229 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) }, 2230 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) }, 2231 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) }, 2232 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) }, 2233 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) }, 2234 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) }, 2235 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) }, 2236 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) }, 2237 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) }, 2238 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) }, 2239 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) }, 2240 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) }, 2241 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) }, 2242 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) }, 2243 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) }, 2244 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) }, 2245 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) }, 2246 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) }, 2247 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) }, 2248 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) }, 2249 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) }, 2250 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) }, 2251 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) }, 2252 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) }, 2253 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) }, 2254 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) }, 2255 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) }, 2256 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) }, 2257 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) }, 2258 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) }, 2259 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) }, 2260 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) }, 2261 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) }, 2262 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) }, 2263 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) }, 2264 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) }, 2265 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) }, 2266 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) }, 2267 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) }, 2268 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) }, 2269 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) }, 2270 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) }, 2271 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) }, 2272 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) }, 2273 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) }, 2274 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) }, 2275 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) }, 2276 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) }, 2277 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) }, 2278 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) }, 2279 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) }, 2280 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) }, 2281 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) }, 2282 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) }, 2283 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) }, 2284 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) }, 2285 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) }, 2286 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) }, 2287 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) }, 2288 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) }, 2289 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) }, 2290 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) }, 2291 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) }, 2292 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) }, 2293 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) }, 2294 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) }, 2295 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) }, 2296 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) }, 2297 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) }, 2298 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) }, 2299 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) }, 2300 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) }, 2301 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) }, 2302 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) }, 2303 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) }, 2304 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) }, 2305 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) }, 2306 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) }, 2307 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) }, 2308 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) }, 2309 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) }, 2310 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) }, 2311 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) }, 2312 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) }, 2313 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) }, 2314 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) }, 2315 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) }, 2316 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) }, 2317 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) }, 2318 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) }, 2319 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) }, 2320 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) }, 2321 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) }, 2322 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) }, 2323 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) }, 2324 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) }, 2325 { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) }, 2326 { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) }, 2327 #if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE) 2328 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) }, 2329 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) }, 2330 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) }, 2331 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) }, 2332 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) }, 2333 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) }, 2334 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) }, 2335 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) }, 2336 #endif 2337 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) }, 2338 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) }, 2339 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) }, 2340 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) }, 2341 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) }, 2342 { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) }, 2343 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) }, 2344 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) }, 2345 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) }, 2346 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) }, 2347 { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) }, 2348 { } 2349 }; 2350 2351 /** 2352 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer 2353 * 2354 * There are composite devices for which we want to ignore only a certain 2355 * interface. This is a list of devices for which only the mouse interface will 2356 * be ignored. This allows a dedicated driver to take care of the interface. 2357 */ 2358 static const struct hid_device_id hid_mouse_ignore_list[] = { 2359 /* appletouch driver */ 2360 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, 2361 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, 2362 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, 2363 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, 2364 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, 2365 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, 2366 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, 2367 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, 2368 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, 2369 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, 2370 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, 2371 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, 2372 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, 2373 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, 2374 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, 2375 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, 2376 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, 2377 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, 2378 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, 2379 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, 2380 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, 2381 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, 2382 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, 2383 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) }, 2384 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) }, 2385 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) }, 2386 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) }, 2387 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) }, 2388 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) }, 2389 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) }, 2390 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) }, 2391 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) }, 2392 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) }, 2393 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) }, 2394 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) }, 2395 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) }, 2396 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) }, 2397 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) }, 2398 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) }, 2399 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) }, 2400 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) }, 2401 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, 2402 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, 2403 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, 2404 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) }, 2405 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) }, 2406 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) }, 2407 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) }, 2408 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) }, 2409 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) }, 2410 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, 2411 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, 2412 { } 2413 }; 2414 2415 bool hid_ignore(struct hid_device *hdev) 2416 { 2417 if (hdev->quirks & HID_QUIRK_NO_IGNORE) 2418 return false; 2419 if (hdev->quirks & HID_QUIRK_IGNORE) 2420 return true; 2421 2422 switch (hdev->vendor) { 2423 case USB_VENDOR_ID_CODEMERCS: 2424 /* ignore all Code Mercenaries IOWarrior devices */ 2425 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST && 2426 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST) 2427 return true; 2428 break; 2429 case USB_VENDOR_ID_LOGITECH: 2430 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST && 2431 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST) 2432 return true; 2433 /* 2434 * The Keene FM transmitter USB device has the same USB ID as 2435 * the Logitech AudioHub Speaker, but it should ignore the hid. 2436 * Check if the name is that of the Keene device. 2437 * For reference: the name of the AudioHub is 2438 * "HOLTEK AudioHub Speaker". 2439 */ 2440 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB && 2441 !strcmp(hdev->name, "HOLTEK B-LINK USB Audio ")) 2442 return true; 2443 break; 2444 case USB_VENDOR_ID_SOUNDGRAPH: 2445 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST && 2446 hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST) 2447 return true; 2448 break; 2449 case USB_VENDOR_ID_HANWANG: 2450 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST && 2451 hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST) 2452 return true; 2453 break; 2454 case USB_VENDOR_ID_JESS: 2455 if (hdev->product == USB_DEVICE_ID_JESS_YUREX && 2456 hdev->type == HID_TYPE_USBNONE) 2457 return true; 2458 break; 2459 case USB_VENDOR_ID_VELLEMAN: 2460 /* These are not HID devices. They are handled by comedi. */ 2461 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST && 2462 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) || 2463 (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST && 2464 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST)) 2465 return true; 2466 break; 2467 case USB_VENDOR_ID_ATMEL_V_USB: 2468 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and 2469 * it has the same USB ID as many Atmel V-USB devices. This 2470 * usb radio is handled by radio-ma901.c driver so we want 2471 * ignore the hid. Check the name, bus, product and ignore 2472 * if we have MA901 usb radio. 2473 */ 2474 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB && 2475 hdev->bus == BUS_USB && 2476 strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0) 2477 return true; 2478 break; 2479 } 2480 2481 if (hdev->type == HID_TYPE_USBMOUSE && 2482 hid_match_id(hdev, hid_mouse_ignore_list)) 2483 return true; 2484 2485 return !!hid_match_id(hdev, hid_ignore_list); 2486 } 2487 EXPORT_SYMBOL_GPL(hid_ignore); 2488 2489 int hid_add_device(struct hid_device *hdev) 2490 { 2491 static atomic_t id = ATOMIC_INIT(0); 2492 int ret; 2493 2494 if (WARN_ON(hdev->status & HID_STAT_ADDED)) 2495 return -EBUSY; 2496 2497 /* we need to kill them here, otherwise they will stay allocated to 2498 * wait for coming driver */ 2499 if (hid_ignore(hdev)) 2500 return -ENODEV; 2501 2502 /* 2503 * Check for the mandatory transport channel. 2504 */ 2505 if (!hdev->ll_driver->raw_request) { 2506 hid_err(hdev, "transport driver missing .raw_request()\n"); 2507 return -EINVAL; 2508 } 2509 2510 /* 2511 * Read the device report descriptor once and use as template 2512 * for the driver-specific modifications. 2513 */ 2514 ret = hdev->ll_driver->parse(hdev); 2515 if (ret) 2516 return ret; 2517 if (!hdev->dev_rdesc) 2518 return -ENODEV; 2519 2520 /* 2521 * Scan generic devices for group information 2522 */ 2523 if (hid_ignore_special_drivers || 2524 !hid_match_id(hdev, hid_have_special_driver)) { 2525 ret = hid_scan_report(hdev); 2526 if (ret) 2527 hid_warn(hdev, "bad device descriptor (%d)\n", ret); 2528 } 2529 2530 /* XXX hack, any other cleaner solution after the driver core 2531 * is converted to allow more than 20 bytes as the device name? */ 2532 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus, 2533 hdev->vendor, hdev->product, atomic_inc_return(&id)); 2534 2535 hid_debug_register(hdev, dev_name(&hdev->dev)); 2536 ret = device_add(&hdev->dev); 2537 if (!ret) 2538 hdev->status |= HID_STAT_ADDED; 2539 else 2540 hid_debug_unregister(hdev); 2541 2542 return ret; 2543 } 2544 EXPORT_SYMBOL_GPL(hid_add_device); 2545 2546 /** 2547 * hid_allocate_device - allocate new hid device descriptor 2548 * 2549 * Allocate and initialize hid device, so that hid_destroy_device might be 2550 * used to free it. 2551 * 2552 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded 2553 * error value. 2554 */ 2555 struct hid_device *hid_allocate_device(void) 2556 { 2557 struct hid_device *hdev; 2558 int ret = -ENOMEM; 2559 2560 hdev = kzalloc(sizeof(*hdev), GFP_KERNEL); 2561 if (hdev == NULL) 2562 return ERR_PTR(ret); 2563 2564 device_initialize(&hdev->dev); 2565 hdev->dev.release = hid_device_release; 2566 hdev->dev.bus = &hid_bus_type; 2567 2568 hid_close_report(hdev); 2569 2570 init_waitqueue_head(&hdev->debug_wait); 2571 INIT_LIST_HEAD(&hdev->debug_list); 2572 spin_lock_init(&hdev->debug_list_lock); 2573 sema_init(&hdev->driver_lock, 1); 2574 sema_init(&hdev->driver_input_lock, 1); 2575 2576 return hdev; 2577 } 2578 EXPORT_SYMBOL_GPL(hid_allocate_device); 2579 2580 static void hid_remove_device(struct hid_device *hdev) 2581 { 2582 if (hdev->status & HID_STAT_ADDED) { 2583 device_del(&hdev->dev); 2584 hid_debug_unregister(hdev); 2585 hdev->status &= ~HID_STAT_ADDED; 2586 } 2587 kfree(hdev->dev_rdesc); 2588 hdev->dev_rdesc = NULL; 2589 hdev->dev_rsize = 0; 2590 } 2591 2592 /** 2593 * hid_destroy_device - free previously allocated device 2594 * 2595 * @hdev: hid device 2596 * 2597 * If you allocate hid_device through hid_allocate_device, you should ever 2598 * free by this function. 2599 */ 2600 void hid_destroy_device(struct hid_device *hdev) 2601 { 2602 hid_remove_device(hdev); 2603 put_device(&hdev->dev); 2604 } 2605 EXPORT_SYMBOL_GPL(hid_destroy_device); 2606 2607 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner, 2608 const char *mod_name) 2609 { 2610 int ret; 2611 2612 hdrv->driver.name = hdrv->name; 2613 hdrv->driver.bus = &hid_bus_type; 2614 hdrv->driver.owner = owner; 2615 hdrv->driver.mod_name = mod_name; 2616 2617 INIT_LIST_HEAD(&hdrv->dyn_list); 2618 spin_lock_init(&hdrv->dyn_lock); 2619 2620 ret = driver_register(&hdrv->driver); 2621 if (ret) 2622 return ret; 2623 2624 ret = driver_create_file(&hdrv->driver, &driver_attr_new_id); 2625 if (ret) 2626 driver_unregister(&hdrv->driver); 2627 2628 return ret; 2629 } 2630 EXPORT_SYMBOL_GPL(__hid_register_driver); 2631 2632 void hid_unregister_driver(struct hid_driver *hdrv) 2633 { 2634 driver_remove_file(&hdrv->driver, &driver_attr_new_id); 2635 driver_unregister(&hdrv->driver); 2636 hid_free_dynids(hdrv); 2637 } 2638 EXPORT_SYMBOL_GPL(hid_unregister_driver); 2639 2640 int hid_check_keys_pressed(struct hid_device *hid) 2641 { 2642 struct hid_input *hidinput; 2643 int i; 2644 2645 if (!(hid->claimed & HID_CLAIMED_INPUT)) 2646 return 0; 2647 2648 list_for_each_entry(hidinput, &hid->inputs, list) { 2649 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++) 2650 if (hidinput->input->key[i]) 2651 return 1; 2652 } 2653 2654 return 0; 2655 } 2656 2657 EXPORT_SYMBOL_GPL(hid_check_keys_pressed); 2658 2659 static int __init hid_init(void) 2660 { 2661 int ret; 2662 2663 if (hid_debug) 2664 pr_warn("hid_debug is now used solely for parser and driver debugging.\n" 2665 "debugfs is now used for inspecting the device (report descriptor, reports)\n"); 2666 2667 ret = bus_register(&hid_bus_type); 2668 if (ret) { 2669 pr_err("can't register hid bus\n"); 2670 goto err; 2671 } 2672 2673 ret = hidraw_init(); 2674 if (ret) 2675 goto err_bus; 2676 2677 hid_debug_init(); 2678 2679 return 0; 2680 err_bus: 2681 bus_unregister(&hid_bus_type); 2682 err: 2683 return ret; 2684 } 2685 2686 static void __exit hid_exit(void) 2687 { 2688 hid_debug_exit(); 2689 hidraw_exit(); 2690 bus_unregister(&hid_bus_type); 2691 } 2692 2693 module_init(hid_init); 2694 module_exit(hid_exit); 2695 2696 MODULE_AUTHOR("Andreas Gal"); 2697 MODULE_AUTHOR("Vojtech Pavlik"); 2698 MODULE_AUTHOR("Jiri Kosina"); 2699 MODULE_LICENSE(DRIVER_LICENSE); 2700 2701