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(ignore_special_drivers, "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 if (hid->vendor == USB_VENDOR_ID_MICROSOFT && 707 hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3 && 708 hid->group == HID_GROUP_MULTITOUCH) 709 hid->group = HID_GROUP_GENERIC; 710 } 711 712 static int hid_scan_main(struct hid_parser *parser, struct hid_item *item) 713 { 714 __u32 data; 715 int i; 716 717 data = item_udata(item); 718 719 switch (item->tag) { 720 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION: 721 hid_scan_collection(parser, data & 0xff); 722 break; 723 case HID_MAIN_ITEM_TAG_END_COLLECTION: 724 break; 725 case HID_MAIN_ITEM_TAG_INPUT: 726 /* ignore constant inputs, they will be ignored by hid-input */ 727 if (data & HID_MAIN_ITEM_CONSTANT) 728 break; 729 for (i = 0; i < parser->local.usage_index; i++) 730 hid_scan_input_usage(parser, parser->local.usage[i]); 731 break; 732 case HID_MAIN_ITEM_TAG_OUTPUT: 733 break; 734 case HID_MAIN_ITEM_TAG_FEATURE: 735 for (i = 0; i < parser->local.usage_index; i++) 736 hid_scan_feature_usage(parser, parser->local.usage[i]); 737 break; 738 } 739 740 /* Reset the local parser environment */ 741 memset(&parser->local, 0, sizeof(parser->local)); 742 743 return 0; 744 } 745 746 /* 747 * Scan a report descriptor before the device is added to the bus. 748 * Sets device groups and other properties that determine what driver 749 * to load. 750 */ 751 static int hid_scan_report(struct hid_device *hid) 752 { 753 struct hid_parser *parser; 754 struct hid_item item; 755 __u8 *start = hid->dev_rdesc; 756 __u8 *end = start + hid->dev_rsize; 757 static int (*dispatch_type[])(struct hid_parser *parser, 758 struct hid_item *item) = { 759 hid_scan_main, 760 hid_parser_global, 761 hid_parser_local, 762 hid_parser_reserved 763 }; 764 765 parser = vzalloc(sizeof(struct hid_parser)); 766 if (!parser) 767 return -ENOMEM; 768 769 parser->device = hid; 770 hid->group = HID_GROUP_GENERIC; 771 772 /* 773 * The parsing is simpler than the one in hid_open_report() as we should 774 * be robust against hid errors. Those errors will be raised by 775 * hid_open_report() anyway. 776 */ 777 while ((start = fetch_item(start, end, &item)) != NULL) 778 dispatch_type[item.type](parser, &item); 779 780 /* 781 * Handle special flags set during scanning. 782 */ 783 if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) && 784 (hid->group == HID_GROUP_MULTITOUCH)) 785 hid->group = HID_GROUP_MULTITOUCH_WIN_8; 786 787 /* 788 * Vendor specific handlings 789 */ 790 switch (hid->vendor) { 791 case USB_VENDOR_ID_WACOM: 792 hid->group = HID_GROUP_WACOM; 793 break; 794 case USB_VENDOR_ID_SYNAPTICS: 795 if ((hid->group == HID_GROUP_GENERIC) && 796 (hid->bus != BUS_USB || hid->type == HID_TYPE_USBMOUSE)) 797 /* hid-rmi should only bind to the mouse interface of 798 * composite USB devices */ 799 hid->group = HID_GROUP_RMI; 800 break; 801 } 802 803 vfree(parser); 804 return 0; 805 } 806 807 /** 808 * hid_parse_report - parse device report 809 * 810 * @device: hid device 811 * @start: report start 812 * @size: report size 813 * 814 * Allocate the device report as read by the bus driver. This function should 815 * only be called from parse() in ll drivers. 816 */ 817 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size) 818 { 819 hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL); 820 if (!hid->dev_rdesc) 821 return -ENOMEM; 822 hid->dev_rsize = size; 823 return 0; 824 } 825 EXPORT_SYMBOL_GPL(hid_parse_report); 826 827 static const char * const hid_report_names[] = { 828 "HID_INPUT_REPORT", 829 "HID_OUTPUT_REPORT", 830 "HID_FEATURE_REPORT", 831 }; 832 /** 833 * hid_validate_values - validate existing device report's value indexes 834 * 835 * @device: hid device 836 * @type: which report type to examine 837 * @id: which report ID to examine (0 for first) 838 * @field_index: which report field to examine 839 * @report_counts: expected number of values 840 * 841 * Validate the number of values in a given field of a given report, after 842 * parsing. 843 */ 844 struct hid_report *hid_validate_values(struct hid_device *hid, 845 unsigned int type, unsigned int id, 846 unsigned int field_index, 847 unsigned int report_counts) 848 { 849 struct hid_report *report; 850 851 if (type > HID_FEATURE_REPORT) { 852 hid_err(hid, "invalid HID report type %u\n", type); 853 return NULL; 854 } 855 856 if (id >= HID_MAX_IDS) { 857 hid_err(hid, "invalid HID report id %u\n", id); 858 return NULL; 859 } 860 861 /* 862 * Explicitly not using hid_get_report() here since it depends on 863 * ->numbered being checked, which may not always be the case when 864 * drivers go to access report values. 865 */ 866 if (id == 0) { 867 /* 868 * Validating on id 0 means we should examine the first 869 * report in the list. 870 */ 871 report = list_entry( 872 hid->report_enum[type].report_list.next, 873 struct hid_report, list); 874 } else { 875 report = hid->report_enum[type].report_id_hash[id]; 876 } 877 if (!report) { 878 hid_err(hid, "missing %s %u\n", hid_report_names[type], id); 879 return NULL; 880 } 881 if (report->maxfield <= field_index) { 882 hid_err(hid, "not enough fields in %s %u\n", 883 hid_report_names[type], id); 884 return NULL; 885 } 886 if (report->field[field_index]->report_count < report_counts) { 887 hid_err(hid, "not enough values in %s %u field %u\n", 888 hid_report_names[type], id, field_index); 889 return NULL; 890 } 891 return report; 892 } 893 EXPORT_SYMBOL_GPL(hid_validate_values); 894 895 /** 896 * hid_open_report - open a driver-specific device report 897 * 898 * @device: hid device 899 * 900 * Parse a report description into a hid_device structure. Reports are 901 * enumerated, fields are attached to these reports. 902 * 0 returned on success, otherwise nonzero error value. 903 * 904 * This function (or the equivalent hid_parse() macro) should only be 905 * called from probe() in drivers, before starting the device. 906 */ 907 int hid_open_report(struct hid_device *device) 908 { 909 struct hid_parser *parser; 910 struct hid_item item; 911 unsigned int size; 912 __u8 *start; 913 __u8 *buf; 914 __u8 *end; 915 int ret; 916 static int (*dispatch_type[])(struct hid_parser *parser, 917 struct hid_item *item) = { 918 hid_parser_main, 919 hid_parser_global, 920 hid_parser_local, 921 hid_parser_reserved 922 }; 923 924 if (WARN_ON(device->status & HID_STAT_PARSED)) 925 return -EBUSY; 926 927 start = device->dev_rdesc; 928 if (WARN_ON(!start)) 929 return -ENODEV; 930 size = device->dev_rsize; 931 932 buf = kmemdup(start, size, GFP_KERNEL); 933 if (buf == NULL) 934 return -ENOMEM; 935 936 if (device->driver->report_fixup) 937 start = device->driver->report_fixup(device, buf, &size); 938 else 939 start = buf; 940 941 start = kmemdup(start, size, GFP_KERNEL); 942 kfree(buf); 943 if (start == NULL) 944 return -ENOMEM; 945 946 device->rdesc = start; 947 device->rsize = size; 948 949 parser = vzalloc(sizeof(struct hid_parser)); 950 if (!parser) { 951 ret = -ENOMEM; 952 goto err; 953 } 954 955 parser->device = device; 956 957 end = start + size; 958 959 device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS, 960 sizeof(struct hid_collection), GFP_KERNEL); 961 if (!device->collection) { 962 ret = -ENOMEM; 963 goto err; 964 } 965 device->collection_size = HID_DEFAULT_NUM_COLLECTIONS; 966 967 ret = -EINVAL; 968 while ((start = fetch_item(start, end, &item)) != NULL) { 969 970 if (item.format != HID_ITEM_FORMAT_SHORT) { 971 hid_err(device, "unexpected long global item\n"); 972 goto err; 973 } 974 975 if (dispatch_type[item.type](parser, &item)) { 976 hid_err(device, "item %u %u %u %u parsing failed\n", 977 item.format, (unsigned)item.size, 978 (unsigned)item.type, (unsigned)item.tag); 979 goto err; 980 } 981 982 if (start == end) { 983 if (parser->collection_stack_ptr) { 984 hid_err(device, "unbalanced collection at end of report description\n"); 985 goto err; 986 } 987 if (parser->local.delimiter_depth) { 988 hid_err(device, "unbalanced delimiter at end of report description\n"); 989 goto err; 990 } 991 vfree(parser); 992 device->status |= HID_STAT_PARSED; 993 return 0; 994 } 995 } 996 997 hid_err(device, "item fetching failed at offset %d\n", (int)(end - start)); 998 err: 999 vfree(parser); 1000 hid_close_report(device); 1001 return ret; 1002 } 1003 EXPORT_SYMBOL_GPL(hid_open_report); 1004 1005 /* 1006 * Convert a signed n-bit integer to signed 32-bit integer. Common 1007 * cases are done through the compiler, the screwed things has to be 1008 * done by hand. 1009 */ 1010 1011 static s32 snto32(__u32 value, unsigned n) 1012 { 1013 switch (n) { 1014 case 8: return ((__s8)value); 1015 case 16: return ((__s16)value); 1016 case 32: return ((__s32)value); 1017 } 1018 return value & (1 << (n - 1)) ? value | (-1 << n) : value; 1019 } 1020 1021 s32 hid_snto32(__u32 value, unsigned n) 1022 { 1023 return snto32(value, n); 1024 } 1025 EXPORT_SYMBOL_GPL(hid_snto32); 1026 1027 /* 1028 * Convert a signed 32-bit integer to a signed n-bit integer. 1029 */ 1030 1031 static u32 s32ton(__s32 value, unsigned n) 1032 { 1033 s32 a = value >> (n - 1); 1034 if (a && a != -1) 1035 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1; 1036 return value & ((1 << n) - 1); 1037 } 1038 1039 /* 1040 * Extract/implement a data field from/to a little endian report (bit array). 1041 * 1042 * Code sort-of follows HID spec: 1043 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf 1044 * 1045 * While the USB HID spec allows unlimited length bit fields in "report 1046 * descriptors", most devices never use more than 16 bits. 1047 * One model of UPS is claimed to report "LINEV" as a 32-bit field. 1048 * Search linux-kernel and linux-usb-devel archives for "hid-core extract". 1049 */ 1050 1051 static __u32 extract(const struct hid_device *hid, __u8 *report, 1052 unsigned offset, unsigned n) 1053 { 1054 u64 x; 1055 1056 if (n > 32) 1057 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n", 1058 n, current->comm); 1059 1060 report += offset >> 3; /* adjust byte index */ 1061 offset &= 7; /* now only need bit offset into one byte */ 1062 x = get_unaligned_le64(report); 1063 x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */ 1064 return (u32) x; 1065 } 1066 1067 /* 1068 * "implement" : set bits in a little endian bit stream. 1069 * Same concepts as "extract" (see comments above). 1070 * The data mangled in the bit stream remains in little endian 1071 * order the whole time. It make more sense to talk about 1072 * endianness of register values by considering a register 1073 * a "cached" copy of the little endiad bit stream. 1074 */ 1075 static void implement(const struct hid_device *hid, __u8 *report, 1076 unsigned offset, unsigned n, __u32 value) 1077 { 1078 u64 x; 1079 u64 m = (1ULL << n) - 1; 1080 1081 if (n > 32) 1082 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n", 1083 __func__, n, current->comm); 1084 1085 if (value > m) 1086 hid_warn(hid, "%s() called with too large value %d! (%s)\n", 1087 __func__, value, current->comm); 1088 WARN_ON(value > m); 1089 value &= m; 1090 1091 report += offset >> 3; 1092 offset &= 7; 1093 1094 x = get_unaligned_le64(report); 1095 x &= ~(m << offset); 1096 x |= ((u64)value) << offset; 1097 put_unaligned_le64(x, report); 1098 } 1099 1100 /* 1101 * Search an array for a value. 1102 */ 1103 1104 static int search(__s32 *array, __s32 value, unsigned n) 1105 { 1106 while (n--) { 1107 if (*array++ == value) 1108 return 0; 1109 } 1110 return -1; 1111 } 1112 1113 /** 1114 * hid_match_report - check if driver's raw_event should be called 1115 * 1116 * @hid: hid device 1117 * @report_type: type to match against 1118 * 1119 * compare hid->driver->report_table->report_type to report->type 1120 */ 1121 static int hid_match_report(struct hid_device *hid, struct hid_report *report) 1122 { 1123 const struct hid_report_id *id = hid->driver->report_table; 1124 1125 if (!id) /* NULL means all */ 1126 return 1; 1127 1128 for (; id->report_type != HID_TERMINATOR; id++) 1129 if (id->report_type == HID_ANY_ID || 1130 id->report_type == report->type) 1131 return 1; 1132 return 0; 1133 } 1134 1135 /** 1136 * hid_match_usage - check if driver's event should be called 1137 * 1138 * @hid: hid device 1139 * @usage: usage to match against 1140 * 1141 * compare hid->driver->usage_table->usage_{type,code} to 1142 * usage->usage_{type,code} 1143 */ 1144 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage) 1145 { 1146 const struct hid_usage_id *id = hid->driver->usage_table; 1147 1148 if (!id) /* NULL means all */ 1149 return 1; 1150 1151 for (; id->usage_type != HID_ANY_ID - 1; id++) 1152 if ((id->usage_hid == HID_ANY_ID || 1153 id->usage_hid == usage->hid) && 1154 (id->usage_type == HID_ANY_ID || 1155 id->usage_type == usage->type) && 1156 (id->usage_code == HID_ANY_ID || 1157 id->usage_code == usage->code)) 1158 return 1; 1159 return 0; 1160 } 1161 1162 static void hid_process_event(struct hid_device *hid, struct hid_field *field, 1163 struct hid_usage *usage, __s32 value, int interrupt) 1164 { 1165 struct hid_driver *hdrv = hid->driver; 1166 int ret; 1167 1168 if (!list_empty(&hid->debug_list)) 1169 hid_dump_input(hid, usage, value); 1170 1171 if (hdrv && hdrv->event && hid_match_usage(hid, usage)) { 1172 ret = hdrv->event(hid, field, usage, value); 1173 if (ret != 0) { 1174 if (ret < 0) 1175 hid_err(hid, "%s's event failed with %d\n", 1176 hdrv->name, ret); 1177 return; 1178 } 1179 } 1180 1181 if (hid->claimed & HID_CLAIMED_INPUT) 1182 hidinput_hid_event(hid, field, usage, value); 1183 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event) 1184 hid->hiddev_hid_event(hid, field, usage, value); 1185 } 1186 1187 /* 1188 * Analyse a received field, and fetch the data from it. The field 1189 * content is stored for next report processing (we do differential 1190 * reporting to the layer). 1191 */ 1192 1193 static void hid_input_field(struct hid_device *hid, struct hid_field *field, 1194 __u8 *data, int interrupt) 1195 { 1196 unsigned n; 1197 unsigned count = field->report_count; 1198 unsigned offset = field->report_offset; 1199 unsigned size = field->report_size; 1200 __s32 min = field->logical_minimum; 1201 __s32 max = field->logical_maximum; 1202 __s32 *value; 1203 1204 value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC); 1205 if (!value) 1206 return; 1207 1208 for (n = 0; n < count; n++) { 1209 1210 value[n] = min < 0 ? 1211 snto32(extract(hid, data, offset + n * size, size), 1212 size) : 1213 extract(hid, data, offset + n * size, size); 1214 1215 /* Ignore report if ErrorRollOver */ 1216 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) && 1217 value[n] >= min && value[n] <= max && 1218 field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1) 1219 goto exit; 1220 } 1221 1222 for (n = 0; n < count; n++) { 1223 1224 if (HID_MAIN_ITEM_VARIABLE & field->flags) { 1225 hid_process_event(hid, field, &field->usage[n], value[n], interrupt); 1226 continue; 1227 } 1228 1229 if (field->value[n] >= min && field->value[n] <= max 1230 && field->usage[field->value[n] - min].hid 1231 && search(value, field->value[n], count)) 1232 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt); 1233 1234 if (value[n] >= min && value[n] <= max 1235 && field->usage[value[n] - min].hid 1236 && search(field->value, value[n], count)) 1237 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt); 1238 } 1239 1240 memcpy(field->value, value, count * sizeof(__s32)); 1241 exit: 1242 kfree(value); 1243 } 1244 1245 /* 1246 * Output the field into the report. 1247 */ 1248 1249 static void hid_output_field(const struct hid_device *hid, 1250 struct hid_field *field, __u8 *data) 1251 { 1252 unsigned count = field->report_count; 1253 unsigned offset = field->report_offset; 1254 unsigned size = field->report_size; 1255 unsigned n; 1256 1257 for (n = 0; n < count; n++) { 1258 if (field->logical_minimum < 0) /* signed values */ 1259 implement(hid, data, offset + n * size, size, 1260 s32ton(field->value[n], size)); 1261 else /* unsigned values */ 1262 implement(hid, data, offset + n * size, size, 1263 field->value[n]); 1264 } 1265 } 1266 1267 /* 1268 * Create a report. 'data' has to be allocated using 1269 * hid_alloc_report_buf() so that it has proper size. 1270 */ 1271 1272 void hid_output_report(struct hid_report *report, __u8 *data) 1273 { 1274 unsigned n; 1275 1276 if (report->id > 0) 1277 *data++ = report->id; 1278 1279 memset(data, 0, ((report->size - 1) >> 3) + 1); 1280 for (n = 0; n < report->maxfield; n++) 1281 hid_output_field(report->device, report->field[n], data); 1282 } 1283 EXPORT_SYMBOL_GPL(hid_output_report); 1284 1285 /* 1286 * Allocator for buffer that is going to be passed to hid_output_report() 1287 */ 1288 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags) 1289 { 1290 /* 1291 * 7 extra bytes are necessary to achieve proper functionality 1292 * of implement() working on 8 byte chunks 1293 */ 1294 1295 int len = hid_report_len(report) + 7; 1296 1297 return kmalloc(len, flags); 1298 } 1299 EXPORT_SYMBOL_GPL(hid_alloc_report_buf); 1300 1301 /* 1302 * Set a field value. The report this field belongs to has to be 1303 * created and transferred to the device, to set this value in the 1304 * device. 1305 */ 1306 1307 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value) 1308 { 1309 unsigned size; 1310 1311 if (!field) 1312 return -1; 1313 1314 size = field->report_size; 1315 1316 hid_dump_input(field->report->device, field->usage + offset, value); 1317 1318 if (offset >= field->report_count) { 1319 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n", 1320 offset, field->report_count); 1321 return -1; 1322 } 1323 if (field->logical_minimum < 0) { 1324 if (value != snto32(s32ton(value, size), size)) { 1325 hid_err(field->report->device, "value %d is out of range\n", value); 1326 return -1; 1327 } 1328 } 1329 field->value[offset] = value; 1330 return 0; 1331 } 1332 EXPORT_SYMBOL_GPL(hid_set_field); 1333 1334 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum, 1335 const u8 *data) 1336 { 1337 struct hid_report *report; 1338 unsigned int n = 0; /* Normally report number is 0 */ 1339 1340 /* Device uses numbered reports, data[0] is report number */ 1341 if (report_enum->numbered) 1342 n = *data; 1343 1344 report = report_enum->report_id_hash[n]; 1345 if (report == NULL) 1346 dbg_hid("undefined report_id %u received\n", n); 1347 1348 return report; 1349 } 1350 1351 /* 1352 * Implement a generic .request() callback, using .raw_request() 1353 * DO NOT USE in hid drivers directly, but through hid_hw_request instead. 1354 */ 1355 void __hid_request(struct hid_device *hid, struct hid_report *report, 1356 int reqtype) 1357 { 1358 char *buf; 1359 int ret; 1360 int len; 1361 1362 buf = hid_alloc_report_buf(report, GFP_KERNEL); 1363 if (!buf) 1364 return; 1365 1366 len = hid_report_len(report); 1367 1368 if (reqtype == HID_REQ_SET_REPORT) 1369 hid_output_report(report, buf); 1370 1371 ret = hid->ll_driver->raw_request(hid, report->id, buf, len, 1372 report->type, reqtype); 1373 if (ret < 0) { 1374 dbg_hid("unable to complete request: %d\n", ret); 1375 goto out; 1376 } 1377 1378 if (reqtype == HID_REQ_GET_REPORT) 1379 hid_input_report(hid, report->type, buf, ret, 0); 1380 1381 out: 1382 kfree(buf); 1383 } 1384 EXPORT_SYMBOL_GPL(__hid_request); 1385 1386 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, 1387 int interrupt) 1388 { 1389 struct hid_report_enum *report_enum = hid->report_enum + type; 1390 struct hid_report *report; 1391 struct hid_driver *hdrv; 1392 unsigned int a; 1393 int rsize, csize = size; 1394 u8 *cdata = data; 1395 int ret = 0; 1396 1397 report = hid_get_report(report_enum, data); 1398 if (!report) 1399 goto out; 1400 1401 if (report_enum->numbered) { 1402 cdata++; 1403 csize--; 1404 } 1405 1406 rsize = ((report->size - 1) >> 3) + 1; 1407 1408 if (rsize > HID_MAX_BUFFER_SIZE) 1409 rsize = HID_MAX_BUFFER_SIZE; 1410 1411 if (csize < rsize) { 1412 dbg_hid("report %d is too short, (%d < %d)\n", report->id, 1413 csize, rsize); 1414 memset(cdata + csize, 0, rsize - csize); 1415 } 1416 1417 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event) 1418 hid->hiddev_report_event(hid, report); 1419 if (hid->claimed & HID_CLAIMED_HIDRAW) { 1420 ret = hidraw_report_event(hid, data, size); 1421 if (ret) 1422 goto out; 1423 } 1424 1425 if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) { 1426 for (a = 0; a < report->maxfield; a++) 1427 hid_input_field(hid, report->field[a], cdata, interrupt); 1428 hdrv = hid->driver; 1429 if (hdrv && hdrv->report) 1430 hdrv->report(hid, report); 1431 } 1432 1433 if (hid->claimed & HID_CLAIMED_INPUT) 1434 hidinput_report_event(hid, report); 1435 out: 1436 return ret; 1437 } 1438 EXPORT_SYMBOL_GPL(hid_report_raw_event); 1439 1440 /** 1441 * hid_input_report - report data from lower layer (usb, bt...) 1442 * 1443 * @hid: hid device 1444 * @type: HID report type (HID_*_REPORT) 1445 * @data: report contents 1446 * @size: size of data parameter 1447 * @interrupt: distinguish between interrupt and control transfers 1448 * 1449 * This is data entry for lower layers. 1450 */ 1451 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt) 1452 { 1453 struct hid_report_enum *report_enum; 1454 struct hid_driver *hdrv; 1455 struct hid_report *report; 1456 int ret = 0; 1457 1458 if (!hid) 1459 return -ENODEV; 1460 1461 if (down_trylock(&hid->driver_input_lock)) 1462 return -EBUSY; 1463 1464 if (!hid->driver) { 1465 ret = -ENODEV; 1466 goto unlock; 1467 } 1468 report_enum = hid->report_enum + type; 1469 hdrv = hid->driver; 1470 1471 if (!size) { 1472 dbg_hid("empty report\n"); 1473 ret = -1; 1474 goto unlock; 1475 } 1476 1477 /* Avoid unnecessary overhead if debugfs is disabled */ 1478 if (!list_empty(&hid->debug_list)) 1479 hid_dump_report(hid, type, data, size); 1480 1481 report = hid_get_report(report_enum, data); 1482 1483 if (!report) { 1484 ret = -1; 1485 goto unlock; 1486 } 1487 1488 if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) { 1489 ret = hdrv->raw_event(hid, report, data, size); 1490 if (ret < 0) 1491 goto unlock; 1492 } 1493 1494 ret = hid_report_raw_event(hid, type, data, size, interrupt); 1495 1496 unlock: 1497 up(&hid->driver_input_lock); 1498 return ret; 1499 } 1500 EXPORT_SYMBOL_GPL(hid_input_report); 1501 1502 static bool hid_match_one_id(struct hid_device *hdev, 1503 const struct hid_device_id *id) 1504 { 1505 return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) && 1506 (id->group == HID_GROUP_ANY || id->group == hdev->group) && 1507 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) && 1508 (id->product == HID_ANY_ID || id->product == hdev->product); 1509 } 1510 1511 const struct hid_device_id *hid_match_id(struct hid_device *hdev, 1512 const struct hid_device_id *id) 1513 { 1514 for (; id->bus; id++) 1515 if (hid_match_one_id(hdev, id)) 1516 return id; 1517 1518 return NULL; 1519 } 1520 1521 static const struct hid_device_id hid_hiddev_list[] = { 1522 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) }, 1523 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) }, 1524 { } 1525 }; 1526 1527 static bool hid_hiddev(struct hid_device *hdev) 1528 { 1529 return !!hid_match_id(hdev, hid_hiddev_list); 1530 } 1531 1532 1533 static ssize_t 1534 read_report_descriptor(struct file *filp, struct kobject *kobj, 1535 struct bin_attribute *attr, 1536 char *buf, loff_t off, size_t count) 1537 { 1538 struct device *dev = container_of(kobj, struct device, kobj); 1539 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 1540 1541 if (off >= hdev->rsize) 1542 return 0; 1543 1544 if (off + count > hdev->rsize) 1545 count = hdev->rsize - off; 1546 1547 memcpy(buf, hdev->rdesc + off, count); 1548 1549 return count; 1550 } 1551 1552 static struct bin_attribute dev_bin_attr_report_desc = { 1553 .attr = { .name = "report_descriptor", .mode = 0444 }, 1554 .read = read_report_descriptor, 1555 .size = HID_MAX_DESCRIPTOR_SIZE, 1556 }; 1557 1558 int hid_connect(struct hid_device *hdev, unsigned int connect_mask) 1559 { 1560 static const char *types[] = { "Device", "Pointer", "Mouse", "Device", 1561 "Joystick", "Gamepad", "Keyboard", "Keypad", 1562 "Multi-Axis Controller" 1563 }; 1564 const char *type, *bus; 1565 char buf[64]; 1566 unsigned int i; 1567 int len; 1568 int ret; 1569 1570 if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE) 1571 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV); 1572 if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE) 1573 connect_mask |= HID_CONNECT_HIDINPUT_FORCE; 1574 if (hdev->bus != BUS_USB) 1575 connect_mask &= ~HID_CONNECT_HIDDEV; 1576 if (hid_hiddev(hdev)) 1577 connect_mask |= HID_CONNECT_HIDDEV_FORCE; 1578 1579 if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev, 1580 connect_mask & HID_CONNECT_HIDINPUT_FORCE)) 1581 hdev->claimed |= HID_CLAIMED_INPUT; 1582 1583 if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect && 1584 !hdev->hiddev_connect(hdev, 1585 connect_mask & HID_CONNECT_HIDDEV_FORCE)) 1586 hdev->claimed |= HID_CLAIMED_HIDDEV; 1587 if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev)) 1588 hdev->claimed |= HID_CLAIMED_HIDRAW; 1589 1590 if (connect_mask & HID_CONNECT_DRIVER) 1591 hdev->claimed |= HID_CLAIMED_DRIVER; 1592 1593 /* Drivers with the ->raw_event callback set are not required to connect 1594 * to any other listener. */ 1595 if (!hdev->claimed && !hdev->driver->raw_event) { 1596 hid_err(hdev, "device has no listeners, quitting\n"); 1597 return -ENODEV; 1598 } 1599 1600 if ((hdev->claimed & HID_CLAIMED_INPUT) && 1601 (connect_mask & HID_CONNECT_FF) && hdev->ff_init) 1602 hdev->ff_init(hdev); 1603 1604 len = 0; 1605 if (hdev->claimed & HID_CLAIMED_INPUT) 1606 len += sprintf(buf + len, "input"); 1607 if (hdev->claimed & HID_CLAIMED_HIDDEV) 1608 len += sprintf(buf + len, "%shiddev%d", len ? "," : "", 1609 hdev->minor); 1610 if (hdev->claimed & HID_CLAIMED_HIDRAW) 1611 len += sprintf(buf + len, "%shidraw%d", len ? "," : "", 1612 ((struct hidraw *)hdev->hidraw)->minor); 1613 1614 type = "Device"; 1615 for (i = 0; i < hdev->maxcollection; i++) { 1616 struct hid_collection *col = &hdev->collection[i]; 1617 if (col->type == HID_COLLECTION_APPLICATION && 1618 (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK && 1619 (col->usage & 0xffff) < ARRAY_SIZE(types)) { 1620 type = types[col->usage & 0xffff]; 1621 break; 1622 } 1623 } 1624 1625 switch (hdev->bus) { 1626 case BUS_USB: 1627 bus = "USB"; 1628 break; 1629 case BUS_BLUETOOTH: 1630 bus = "BLUETOOTH"; 1631 break; 1632 default: 1633 bus = "<UNKNOWN>"; 1634 } 1635 1636 ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc); 1637 if (ret) 1638 hid_warn(hdev, 1639 "can't create sysfs report descriptor attribute err: %d\n", ret); 1640 1641 hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n", 1642 buf, bus, hdev->version >> 8, hdev->version & 0xff, 1643 type, hdev->name, hdev->phys); 1644 1645 return 0; 1646 } 1647 EXPORT_SYMBOL_GPL(hid_connect); 1648 1649 void hid_disconnect(struct hid_device *hdev) 1650 { 1651 device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc); 1652 if (hdev->claimed & HID_CLAIMED_INPUT) 1653 hidinput_disconnect(hdev); 1654 if (hdev->claimed & HID_CLAIMED_HIDDEV) 1655 hdev->hiddev_disconnect(hdev); 1656 if (hdev->claimed & HID_CLAIMED_HIDRAW) 1657 hidraw_disconnect(hdev); 1658 hdev->claimed = 0; 1659 } 1660 EXPORT_SYMBOL_GPL(hid_disconnect); 1661 1662 /* 1663 * A list of devices for which there is a specialized driver on HID bus. 1664 * 1665 * Please note that for multitouch devices (driven by hid-multitouch driver), 1666 * there is a proper autodetection and autoloading in place (based on presence 1667 * of HID_DG_CONTACTID), so those devices don't need to be added to this list, 1668 * as we are doing the right thing in hid_scan_usage(). 1669 * 1670 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type 1671 * physical is found inside a usage page of type sensor, hid-sensor-hub will be 1672 * used as a driver. See hid_scan_report(). 1673 */ 1674 static const struct hid_device_id hid_have_special_driver[] = { 1675 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) }, 1676 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) }, 1677 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) }, 1678 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) }, 1679 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) }, 1680 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) }, 1681 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) }, 1682 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) }, 1683 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, 1684 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, 1685 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, 1686 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, 1687 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, 1688 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, 1689 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, 1690 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, 1691 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, 1692 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, 1693 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, 1694 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) }, 1695 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) }, 1696 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) }, 1697 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) }, 1698 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) }, 1699 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) }, 1700 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, 1701 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, 1702 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, 1703 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) }, 1704 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) }, 1705 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) }, 1706 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) }, 1707 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) }, 1708 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) }, 1709 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) }, 1710 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) }, 1711 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, 1712 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, 1713 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, 1714 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, 1715 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, 1716 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, 1717 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, 1718 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, 1719 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, 1720 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) }, 1721 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) }, 1722 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) }, 1723 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) }, 1724 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) }, 1725 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) }, 1726 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) }, 1727 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) }, 1728 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) }, 1729 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) }, 1730 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) }, 1731 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) }, 1732 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) }, 1733 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) }, 1734 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) }, 1735 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) }, 1736 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) }, 1737 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) }, 1738 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) }, 1739 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) }, 1740 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) }, 1741 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, 1742 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, 1743 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, 1744 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) }, 1745 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) }, 1746 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) }, 1747 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) }, 1748 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) }, 1749 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) }, 1750 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) }, 1751 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) }, 1752 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) }, 1753 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) }, 1754 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) }, 1755 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) }, 1756 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, 1757 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, 1758 { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) }, 1759 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) }, 1760 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) }, 1761 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) }, 1762 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, 1763 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) }, 1764 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, 1765 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) }, 1766 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) }, 1767 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) }, 1768 { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) }, 1769 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) }, 1770 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, 1771 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, 1772 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) }, 1773 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) }, 1774 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, 1775 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) }, 1776 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) }, 1777 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) }, 1778 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) }, 1779 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) }, 1780 { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) }, 1781 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, 1782 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) }, 1783 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) }, 1784 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) }, 1785 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) }, 1786 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, 1787 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, 1788 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) }, 1789 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) }, 1790 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) }, 1791 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) }, 1792 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) }, 1793 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) }, 1794 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) }, 1795 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) }, 1796 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) }, 1797 { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) }, 1798 { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) }, 1799 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) }, 1800 { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) }, 1801 { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) }, 1802 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) }, 1803 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) }, 1804 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) }, 1805 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) }, 1806 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) }, 1807 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) }, 1808 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) }, 1809 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, 1810 { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) }, 1811 #if IS_ENABLED(CONFIG_HID_LENOVO) 1812 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) }, 1813 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) }, 1814 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) }, 1815 #endif 1816 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, 1817 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, 1818 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) }, 1819 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) }, 1820 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) }, 1821 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) }, 1822 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) }, 1823 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) }, 1824 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) }, 1825 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) }, 1826 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) }, 1827 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) }, 1828 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) }, 1829 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) }, 1830 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) }, 1831 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) }, 1832 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) }, 1833 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) }, 1834 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) }, 1835 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) }, 1836 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) }, 1837 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) }, 1838 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) }, 1839 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) }, 1840 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) }, 1841 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) }, 1842 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) }, 1843 #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ) 1844 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) }, 1845 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) }, 1846 #endif 1847 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) }, 1848 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) }, 1849 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) }, 1850 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) }, 1851 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) }, 1852 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) }, 1853 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) }, 1854 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) }, 1855 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) }, 1856 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) }, 1857 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) }, 1858 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, 1859 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) }, 1860 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, 1861 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) }, 1862 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3) }, 1863 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, 1864 { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) }, 1865 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) }, 1866 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) }, 1867 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) }, 1868 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) }, 1869 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) }, 1870 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) }, 1871 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) }, 1872 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) }, 1873 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) }, 1874 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) }, 1875 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) }, 1876 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) }, 1877 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) }, 1878 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) }, 1879 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) }, 1880 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) }, 1881 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) }, 1882 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) }, 1883 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) }, 1884 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, 1885 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, 1886 { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) }, 1887 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, 1888 { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) }, 1889 { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) }, 1890 #if IS_ENABLED(CONFIG_HID_ROCCAT) 1891 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) }, 1892 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) }, 1893 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) }, 1894 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) }, 1895 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) }, 1896 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) }, 1897 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) }, 1898 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) }, 1899 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) }, 1900 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) }, 1901 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, 1902 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) }, 1903 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) }, 1904 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) }, 1905 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) }, 1906 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) }, 1907 #endif 1908 #if IS_ENABLED(CONFIG_HID_SAITEK) 1909 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) }, 1910 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) }, 1911 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) }, 1912 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) }, 1913 #endif 1914 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, 1915 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) }, 1916 { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, 1917 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) }, 1918 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) }, 1919 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) }, 1920 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) }, 1921 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, 1922 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) }, 1923 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, 1924 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) }, 1925 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) }, 1926 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) }, 1927 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) }, 1928 { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) }, 1929 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, 1930 { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) }, 1931 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) }, 1932 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) }, 1933 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) }, 1934 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) }, 1935 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) }, 1936 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) }, 1937 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) }, 1938 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) }, 1939 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) }, 1940 { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) }, 1941 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) }, 1942 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) }, 1943 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) }, 1944 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) }, 1945 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) }, 1946 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) }, 1947 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) }, 1948 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) }, 1949 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) }, 1950 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) }, 1951 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, 1952 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) }, 1953 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) }, 1954 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) }, 1955 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) }, 1956 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) }, 1957 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) }, 1958 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) }, 1959 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) }, 1960 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) }, 1961 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) }, 1962 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) }, 1963 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) }, 1964 { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) }, 1965 { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) }, 1966 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) }, 1967 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) }, 1968 { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) }, 1969 1970 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) }, 1971 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) }, 1972 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) }, 1973 { } 1974 }; 1975 1976 struct hid_dynid { 1977 struct list_head list; 1978 struct hid_device_id id; 1979 }; 1980 1981 /** 1982 * store_new_id - add a new HID device ID to this driver and re-probe devices 1983 * @driver: target device driver 1984 * @buf: buffer for scanning device ID data 1985 * @count: input size 1986 * 1987 * Adds a new dynamic hid device ID to this driver, 1988 * and causes the driver to probe for all devices again. 1989 */ 1990 static ssize_t store_new_id(struct device_driver *drv, const char *buf, 1991 size_t count) 1992 { 1993 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); 1994 struct hid_dynid *dynid; 1995 __u32 bus, vendor, product; 1996 unsigned long driver_data = 0; 1997 int ret; 1998 1999 ret = sscanf(buf, "%x %x %x %lx", 2000 &bus, &vendor, &product, &driver_data); 2001 if (ret < 3) 2002 return -EINVAL; 2003 2004 dynid = kzalloc(sizeof(*dynid), GFP_KERNEL); 2005 if (!dynid) 2006 return -ENOMEM; 2007 2008 dynid->id.bus = bus; 2009 dynid->id.group = HID_GROUP_ANY; 2010 dynid->id.vendor = vendor; 2011 dynid->id.product = product; 2012 dynid->id.driver_data = driver_data; 2013 2014 spin_lock(&hdrv->dyn_lock); 2015 list_add_tail(&dynid->list, &hdrv->dyn_list); 2016 spin_unlock(&hdrv->dyn_lock); 2017 2018 ret = driver_attach(&hdrv->driver); 2019 2020 return ret ? : count; 2021 } 2022 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id); 2023 2024 static void hid_free_dynids(struct hid_driver *hdrv) 2025 { 2026 struct hid_dynid *dynid, *n; 2027 2028 spin_lock(&hdrv->dyn_lock); 2029 list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) { 2030 list_del(&dynid->list); 2031 kfree(dynid); 2032 } 2033 spin_unlock(&hdrv->dyn_lock); 2034 } 2035 2036 static const struct hid_device_id *hid_match_device(struct hid_device *hdev, 2037 struct hid_driver *hdrv) 2038 { 2039 struct hid_dynid *dynid; 2040 2041 spin_lock(&hdrv->dyn_lock); 2042 list_for_each_entry(dynid, &hdrv->dyn_list, list) { 2043 if (hid_match_one_id(hdev, &dynid->id)) { 2044 spin_unlock(&hdrv->dyn_lock); 2045 return &dynid->id; 2046 } 2047 } 2048 spin_unlock(&hdrv->dyn_lock); 2049 2050 return hid_match_id(hdev, hdrv->id_table); 2051 } 2052 2053 static int hid_bus_match(struct device *dev, struct device_driver *drv) 2054 { 2055 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); 2056 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 2057 2058 return hid_match_device(hdev, hdrv) != NULL; 2059 } 2060 2061 static int hid_device_probe(struct device *dev) 2062 { 2063 struct hid_driver *hdrv = container_of(dev->driver, 2064 struct hid_driver, driver); 2065 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 2066 const struct hid_device_id *id; 2067 int ret = 0; 2068 2069 if (down_interruptible(&hdev->driver_lock)) 2070 return -EINTR; 2071 if (down_interruptible(&hdev->driver_input_lock)) { 2072 ret = -EINTR; 2073 goto unlock_driver_lock; 2074 } 2075 hdev->io_started = false; 2076 2077 if (!hdev->driver) { 2078 id = hid_match_device(hdev, hdrv); 2079 if (id == NULL) { 2080 ret = -ENODEV; 2081 goto unlock; 2082 } 2083 2084 hdev->driver = hdrv; 2085 if (hdrv->probe) { 2086 ret = hdrv->probe(hdev, id); 2087 } else { /* default probe */ 2088 ret = hid_open_report(hdev); 2089 if (!ret) 2090 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 2091 } 2092 if (ret) { 2093 hid_close_report(hdev); 2094 hdev->driver = NULL; 2095 } 2096 } 2097 unlock: 2098 if (!hdev->io_started) 2099 up(&hdev->driver_input_lock); 2100 unlock_driver_lock: 2101 up(&hdev->driver_lock); 2102 return ret; 2103 } 2104 2105 static int hid_device_remove(struct device *dev) 2106 { 2107 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 2108 struct hid_driver *hdrv; 2109 int ret = 0; 2110 2111 if (down_interruptible(&hdev->driver_lock)) 2112 return -EINTR; 2113 if (down_interruptible(&hdev->driver_input_lock)) { 2114 ret = -EINTR; 2115 goto unlock_driver_lock; 2116 } 2117 hdev->io_started = false; 2118 2119 hdrv = hdev->driver; 2120 if (hdrv) { 2121 if (hdrv->remove) 2122 hdrv->remove(hdev); 2123 else /* default remove */ 2124 hid_hw_stop(hdev); 2125 hid_close_report(hdev); 2126 hdev->driver = NULL; 2127 } 2128 2129 if (!hdev->io_started) 2130 up(&hdev->driver_input_lock); 2131 unlock_driver_lock: 2132 up(&hdev->driver_lock); 2133 return ret; 2134 } 2135 2136 static ssize_t modalias_show(struct device *dev, struct device_attribute *a, 2137 char *buf) 2138 { 2139 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 2140 int len; 2141 2142 len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n", 2143 hdev->bus, hdev->group, hdev->vendor, hdev->product); 2144 2145 return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len; 2146 } 2147 static DEVICE_ATTR_RO(modalias); 2148 2149 static struct attribute *hid_dev_attrs[] = { 2150 &dev_attr_modalias.attr, 2151 NULL, 2152 }; 2153 ATTRIBUTE_GROUPS(hid_dev); 2154 2155 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env) 2156 { 2157 struct hid_device *hdev = container_of(dev, struct hid_device, dev); 2158 2159 if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X", 2160 hdev->bus, hdev->vendor, hdev->product)) 2161 return -ENOMEM; 2162 2163 if (add_uevent_var(env, "HID_NAME=%s", hdev->name)) 2164 return -ENOMEM; 2165 2166 if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys)) 2167 return -ENOMEM; 2168 2169 if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq)) 2170 return -ENOMEM; 2171 2172 if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X", 2173 hdev->bus, hdev->group, hdev->vendor, hdev->product)) 2174 return -ENOMEM; 2175 2176 return 0; 2177 } 2178 2179 static struct bus_type hid_bus_type = { 2180 .name = "hid", 2181 .dev_groups = hid_dev_groups, 2182 .match = hid_bus_match, 2183 .probe = hid_device_probe, 2184 .remove = hid_device_remove, 2185 .uevent = hid_uevent, 2186 }; 2187 2188 /* a list of devices that shouldn't be handled by HID core at all */ 2189 static const struct hid_device_id hid_ignore_list[] = { 2190 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) }, 2191 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) }, 2192 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) }, 2193 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) }, 2194 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) }, 2195 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) }, 2196 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) }, 2197 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) }, 2198 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) }, 2199 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) }, 2200 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) }, 2201 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) }, 2202 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)}, 2203 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)}, 2204 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) }, 2205 { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) }, 2206 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) }, 2207 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) }, 2208 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) }, 2209 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) }, 2210 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) }, 2211 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) }, 2212 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) }, 2213 { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) }, 2214 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) }, 2215 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) }, 2216 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) }, 2217 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) }, 2218 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) }, 2219 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) }, 2220 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) }, 2221 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) }, 2222 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) }, 2223 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) }, 2224 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) }, 2225 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) }, 2226 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) }, 2227 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) }, 2228 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) }, 2229 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) }, 2230 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) }, 2231 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) }, 2232 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) }, 2233 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) }, 2234 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) }, 2235 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) }, 2236 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) }, 2237 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) }, 2238 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) }, 2239 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) }, 2240 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) }, 2241 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) }, 2242 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) }, 2243 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) }, 2244 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) }, 2245 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) }, 2246 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) }, 2247 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) }, 2248 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) }, 2249 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) }, 2250 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) }, 2251 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) }, 2252 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) }, 2253 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) }, 2254 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) }, 2255 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) }, 2256 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) }, 2257 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) }, 2258 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) }, 2259 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) }, 2260 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) }, 2261 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) }, 2262 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) }, 2263 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) }, 2264 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) }, 2265 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) }, 2266 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) }, 2267 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) }, 2268 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) }, 2269 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) }, 2270 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) }, 2271 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) }, 2272 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) }, 2273 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) }, 2274 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) }, 2275 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) }, 2276 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) }, 2277 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) }, 2278 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) }, 2279 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) }, 2280 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) }, 2281 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) }, 2282 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) }, 2283 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) }, 2284 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) }, 2285 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) }, 2286 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) }, 2287 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) }, 2288 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) }, 2289 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) }, 2290 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) }, 2291 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) }, 2292 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) }, 2293 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) }, 2294 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) }, 2295 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) }, 2296 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) }, 2297 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) }, 2298 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) }, 2299 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) }, 2300 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) }, 2301 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) }, 2302 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) }, 2303 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) }, 2304 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) }, 2305 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) }, 2306 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) }, 2307 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) }, 2308 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) }, 2309 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) }, 2310 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) }, 2311 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) }, 2312 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) }, 2313 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) }, 2314 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) }, 2315 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) }, 2316 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) }, 2317 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) }, 2318 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) }, 2319 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) }, 2320 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) }, 2321 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) }, 2322 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) }, 2323 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) }, 2324 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) }, 2325 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) }, 2326 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) }, 2327 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) }, 2328 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) }, 2329 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) }, 2330 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) }, 2331 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) }, 2332 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) }, 2333 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) }, 2334 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) }, 2335 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) }, 2336 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) }, 2337 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) }, 2338 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) }, 2339 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) }, 2340 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) }, 2341 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) }, 2342 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) }, 2343 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) }, 2344 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) }, 2345 { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) }, 2346 { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) }, 2347 #if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE) 2348 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) }, 2349 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) }, 2350 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) }, 2351 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) }, 2352 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) }, 2353 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) }, 2354 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) }, 2355 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) }, 2356 #endif 2357 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) }, 2358 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) }, 2359 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) }, 2360 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) }, 2361 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) }, 2362 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) }, 2363 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) }, 2364 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) }, 2365 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) }, 2366 { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) }, 2367 { } 2368 }; 2369 2370 /** 2371 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer 2372 * 2373 * There are composite devices for which we want to ignore only a certain 2374 * interface. This is a list of devices for which only the mouse interface will 2375 * be ignored. This allows a dedicated driver to take care of the interface. 2376 */ 2377 static const struct hid_device_id hid_mouse_ignore_list[] = { 2378 /* appletouch driver */ 2379 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, 2380 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, 2381 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, 2382 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, 2383 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, 2384 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, 2385 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, 2386 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, 2387 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, 2388 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, 2389 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, 2390 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, 2391 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, 2392 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, 2393 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, 2394 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, 2395 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, 2396 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, 2397 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, 2398 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, 2399 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, 2400 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, 2401 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, 2402 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) }, 2403 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) }, 2404 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) }, 2405 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) }, 2406 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) }, 2407 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) }, 2408 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) }, 2409 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) }, 2410 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) }, 2411 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) }, 2412 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) }, 2413 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) }, 2414 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) }, 2415 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) }, 2416 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) }, 2417 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) }, 2418 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) }, 2419 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) }, 2420 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, 2421 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, 2422 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, 2423 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) }, 2424 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) }, 2425 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) }, 2426 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) }, 2427 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) }, 2428 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) }, 2429 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, 2430 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, 2431 { } 2432 }; 2433 2434 bool hid_ignore(struct hid_device *hdev) 2435 { 2436 if (hdev->quirks & HID_QUIRK_NO_IGNORE) 2437 return false; 2438 if (hdev->quirks & HID_QUIRK_IGNORE) 2439 return true; 2440 2441 switch (hdev->vendor) { 2442 case USB_VENDOR_ID_CODEMERCS: 2443 /* ignore all Code Mercenaries IOWarrior devices */ 2444 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST && 2445 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST) 2446 return true; 2447 break; 2448 case USB_VENDOR_ID_LOGITECH: 2449 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST && 2450 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST) 2451 return true; 2452 /* 2453 * The Keene FM transmitter USB device has the same USB ID as 2454 * the Logitech AudioHub Speaker, but it should ignore the hid. 2455 * Check if the name is that of the Keene device. 2456 * For reference: the name of the AudioHub is 2457 * "HOLTEK AudioHub Speaker". 2458 */ 2459 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB && 2460 !strcmp(hdev->name, "HOLTEK B-LINK USB Audio ")) 2461 return true; 2462 break; 2463 case USB_VENDOR_ID_SOUNDGRAPH: 2464 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST && 2465 hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST) 2466 return true; 2467 break; 2468 case USB_VENDOR_ID_HANWANG: 2469 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST && 2470 hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST) 2471 return true; 2472 break; 2473 case USB_VENDOR_ID_JESS: 2474 if (hdev->product == USB_DEVICE_ID_JESS_YUREX && 2475 hdev->type == HID_TYPE_USBNONE) 2476 return true; 2477 break; 2478 case USB_VENDOR_ID_VELLEMAN: 2479 /* These are not HID devices. They are handled by comedi. */ 2480 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST && 2481 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) || 2482 (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST && 2483 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST)) 2484 return true; 2485 break; 2486 case USB_VENDOR_ID_ATMEL_V_USB: 2487 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and 2488 * it has the same USB ID as many Atmel V-USB devices. This 2489 * usb radio is handled by radio-ma901.c driver so we want 2490 * ignore the hid. Check the name, bus, product and ignore 2491 * if we have MA901 usb radio. 2492 */ 2493 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB && 2494 hdev->bus == BUS_USB && 2495 strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0) 2496 return true; 2497 break; 2498 } 2499 2500 if (hdev->type == HID_TYPE_USBMOUSE && 2501 hid_match_id(hdev, hid_mouse_ignore_list)) 2502 return true; 2503 2504 return !!hid_match_id(hdev, hid_ignore_list); 2505 } 2506 EXPORT_SYMBOL_GPL(hid_ignore); 2507 2508 int hid_add_device(struct hid_device *hdev) 2509 { 2510 static atomic_t id = ATOMIC_INIT(0); 2511 int ret; 2512 2513 if (WARN_ON(hdev->status & HID_STAT_ADDED)) 2514 return -EBUSY; 2515 2516 /* we need to kill them here, otherwise they will stay allocated to 2517 * wait for coming driver */ 2518 if (hid_ignore(hdev)) 2519 return -ENODEV; 2520 2521 /* 2522 * Check for the mandatory transport channel. 2523 */ 2524 if (!hdev->ll_driver->raw_request) { 2525 hid_err(hdev, "transport driver missing .raw_request()\n"); 2526 return -EINVAL; 2527 } 2528 2529 /* 2530 * Read the device report descriptor once and use as template 2531 * for the driver-specific modifications. 2532 */ 2533 ret = hdev->ll_driver->parse(hdev); 2534 if (ret) 2535 return ret; 2536 if (!hdev->dev_rdesc) 2537 return -ENODEV; 2538 2539 /* 2540 * Scan generic devices for group information 2541 */ 2542 if (hid_ignore_special_drivers || 2543 (!hdev->group && 2544 !hid_match_id(hdev, hid_have_special_driver))) { 2545 ret = hid_scan_report(hdev); 2546 if (ret) 2547 hid_warn(hdev, "bad device descriptor (%d)\n", ret); 2548 } 2549 2550 /* XXX hack, any other cleaner solution after the driver core 2551 * is converted to allow more than 20 bytes as the device name? */ 2552 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus, 2553 hdev->vendor, hdev->product, atomic_inc_return(&id)); 2554 2555 hid_debug_register(hdev, dev_name(&hdev->dev)); 2556 ret = device_add(&hdev->dev); 2557 if (!ret) 2558 hdev->status |= HID_STAT_ADDED; 2559 else 2560 hid_debug_unregister(hdev); 2561 2562 return ret; 2563 } 2564 EXPORT_SYMBOL_GPL(hid_add_device); 2565 2566 /** 2567 * hid_allocate_device - allocate new hid device descriptor 2568 * 2569 * Allocate and initialize hid device, so that hid_destroy_device might be 2570 * used to free it. 2571 * 2572 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded 2573 * error value. 2574 */ 2575 struct hid_device *hid_allocate_device(void) 2576 { 2577 struct hid_device *hdev; 2578 int ret = -ENOMEM; 2579 2580 hdev = kzalloc(sizeof(*hdev), GFP_KERNEL); 2581 if (hdev == NULL) 2582 return ERR_PTR(ret); 2583 2584 device_initialize(&hdev->dev); 2585 hdev->dev.release = hid_device_release; 2586 hdev->dev.bus = &hid_bus_type; 2587 2588 hid_close_report(hdev); 2589 2590 init_waitqueue_head(&hdev->debug_wait); 2591 INIT_LIST_HEAD(&hdev->debug_list); 2592 spin_lock_init(&hdev->debug_list_lock); 2593 sema_init(&hdev->driver_lock, 1); 2594 sema_init(&hdev->driver_input_lock, 1); 2595 2596 return hdev; 2597 } 2598 EXPORT_SYMBOL_GPL(hid_allocate_device); 2599 2600 static void hid_remove_device(struct hid_device *hdev) 2601 { 2602 if (hdev->status & HID_STAT_ADDED) { 2603 device_del(&hdev->dev); 2604 hid_debug_unregister(hdev); 2605 hdev->status &= ~HID_STAT_ADDED; 2606 } 2607 kfree(hdev->dev_rdesc); 2608 hdev->dev_rdesc = NULL; 2609 hdev->dev_rsize = 0; 2610 } 2611 2612 /** 2613 * hid_destroy_device - free previously allocated device 2614 * 2615 * @hdev: hid device 2616 * 2617 * If you allocate hid_device through hid_allocate_device, you should ever 2618 * free by this function. 2619 */ 2620 void hid_destroy_device(struct hid_device *hdev) 2621 { 2622 hid_remove_device(hdev); 2623 put_device(&hdev->dev); 2624 } 2625 EXPORT_SYMBOL_GPL(hid_destroy_device); 2626 2627 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner, 2628 const char *mod_name) 2629 { 2630 int ret; 2631 2632 hdrv->driver.name = hdrv->name; 2633 hdrv->driver.bus = &hid_bus_type; 2634 hdrv->driver.owner = owner; 2635 hdrv->driver.mod_name = mod_name; 2636 2637 INIT_LIST_HEAD(&hdrv->dyn_list); 2638 spin_lock_init(&hdrv->dyn_lock); 2639 2640 ret = driver_register(&hdrv->driver); 2641 if (ret) 2642 return ret; 2643 2644 ret = driver_create_file(&hdrv->driver, &driver_attr_new_id); 2645 if (ret) 2646 driver_unregister(&hdrv->driver); 2647 2648 return ret; 2649 } 2650 EXPORT_SYMBOL_GPL(__hid_register_driver); 2651 2652 void hid_unregister_driver(struct hid_driver *hdrv) 2653 { 2654 driver_remove_file(&hdrv->driver, &driver_attr_new_id); 2655 driver_unregister(&hdrv->driver); 2656 hid_free_dynids(hdrv); 2657 } 2658 EXPORT_SYMBOL_GPL(hid_unregister_driver); 2659 2660 int hid_check_keys_pressed(struct hid_device *hid) 2661 { 2662 struct hid_input *hidinput; 2663 int i; 2664 2665 if (!(hid->claimed & HID_CLAIMED_INPUT)) 2666 return 0; 2667 2668 list_for_each_entry(hidinput, &hid->inputs, list) { 2669 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++) 2670 if (hidinput->input->key[i]) 2671 return 1; 2672 } 2673 2674 return 0; 2675 } 2676 2677 EXPORT_SYMBOL_GPL(hid_check_keys_pressed); 2678 2679 static int __init hid_init(void) 2680 { 2681 int ret; 2682 2683 if (hid_debug) 2684 pr_warn("hid_debug is now used solely for parser and driver debugging.\n" 2685 "debugfs is now used for inspecting the device (report descriptor, reports)\n"); 2686 2687 ret = bus_register(&hid_bus_type); 2688 if (ret) { 2689 pr_err("can't register hid bus\n"); 2690 goto err; 2691 } 2692 2693 ret = hidraw_init(); 2694 if (ret) 2695 goto err_bus; 2696 2697 hid_debug_init(); 2698 2699 return 0; 2700 err_bus: 2701 bus_unregister(&hid_bus_type); 2702 err: 2703 return ret; 2704 } 2705 2706 static void __exit hid_exit(void) 2707 { 2708 hid_debug_exit(); 2709 hidraw_exit(); 2710 bus_unregister(&hid_bus_type); 2711 } 2712 2713 module_init(hid_init); 2714 module_exit(hid_exit); 2715 2716 MODULE_AUTHOR("Andreas Gal"); 2717 MODULE_AUTHOR("Vojtech Pavlik"); 2718 MODULE_AUTHOR("Jiri Kosina"); 2719 MODULE_LICENSE(DRIVER_LICENSE); 2720 2721