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1 | /* |
2 | * HID support for Linux |
3 | * |
4 | * Copyright (c) 1999 Andreas Gal |
5 | * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> |
6 | * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc |
7 | * Copyright (c) 2006-2012 Jiri Kosina |
8 | */ |
9 | |
10 | /* |
11 | * This program is free software; you can redistribute it and/or modify it |
12 | * under the terms of the GNU General Public License as published by the Free |
13 | * Software Foundation; either version 2 of the License, or (at your option) |
14 | * any later version. |
15 | */ |
16 | |
17 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
18 | |
19 | #include <linux/module.h> |
20 | #include <linux/slab.h> |
21 | #include <linux/init.h> |
22 | #include <linux/kernel.h> |
23 | #include <linux/list.h> |
24 | #include <linux/mm.h> |
25 | #include <linux/spinlock.h> |
26 | #include <asm/unaligned.h> |
27 | #include <asm/byteorder.h> |
28 | #include <linux/input.h> |
29 | #include <linux/wait.h> |
30 | #include <linux/vmalloc.h> |
31 | #include <linux/sched.h> |
32 | #include <linux/semaphore.h> |
33 | |
34 | #include <linux/hid.h> |
35 | #include <linux/hiddev.h> |
36 | #include <linux/hid-debug.h> |
37 | #include <linux/hidraw.h> |
38 | |
39 | #include "hid-ids.h" |
40 | |
41 | /* |
42 | * Version Information |
43 | */ |
44 | |
45 | #define DRIVER_DESC "HID core driver" |
46 | #define DRIVER_LICENSE "GPL" |
47 | |
48 | int hid_debug = 0; |
49 | module_param_named(debug, hid_debug, int, 0600); |
50 | MODULE_PARM_DESC(debug, "toggle HID debugging messages"); |
51 | EXPORT_SYMBOL_GPL(hid_debug); |
52 | |
53 | static int hid_ignore_special_drivers = 0; |
54 | module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600); |
55 | MODULE_PARM_DESC(debug, "Ignore any special drivers and handle all devices by generic driver"); |
56 | |
57 | /* |
58 | * Register a new report for a device. |
59 | */ |
60 | |
61 | struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id) |
62 | { |
63 | struct hid_report_enum *report_enum = device->report_enum + type; |
64 | struct hid_report *report; |
65 | |
66 | if (report_enum->report_id_hash[id]) |
67 | return report_enum->report_id_hash[id]; |
68 | |
69 | report = kzalloc(sizeof(struct hid_report), GFP_KERNEL); |
70 | if (!report) |
71 | return NULL; |
72 | |
73 | if (id != 0) |
74 | report_enum->numbered = 1; |
75 | |
76 | report->id = id; |
77 | report->type = type; |
78 | report->size = 0; |
79 | report->device = device; |
80 | report_enum->report_id_hash[id] = report; |
81 | |
82 | list_add_tail(&report->list, &report_enum->report_list); |
83 | |
84 | return report; |
85 | } |
86 | EXPORT_SYMBOL_GPL(hid_register_report); |
87 | |
88 | /* |
89 | * Register a new field for this report. |
90 | */ |
91 | |
92 | static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values) |
93 | { |
94 | struct hid_field *field; |
95 | int i; |
96 | |
97 | if (report->maxfield == HID_MAX_FIELDS) { |
98 | hid_err(report->device, "too many fields in report\n"); |
99 | return NULL; |
100 | } |
101 | |
102 | field = kzalloc((sizeof(struct hid_field) + |
103 | usages * sizeof(struct hid_usage) + |
104 | values * sizeof(unsigned)), GFP_KERNEL); |
105 | if (!field) |
106 | return NULL; |
107 | |
108 | field->index = report->maxfield++; |
109 | report->field[field->index] = field; |
110 | field->usage = (struct hid_usage *)(field + 1); |
111 | field->value = (s32 *)(field->usage + usages); |
112 | field->report = report; |
113 | |
114 | for (i = 0; i < usages; i++) |
115 | field->usage[i].usage_index = i; |
116 | |
117 | return field; |
118 | } |
119 | |
120 | /* |
121 | * Open a collection. The type/usage is pushed on the stack. |
122 | */ |
123 | |
124 | static int open_collection(struct hid_parser *parser, unsigned type) |
125 | { |
126 | struct hid_collection *collection; |
127 | unsigned usage; |
128 | |
129 | usage = parser->local.usage[0]; |
130 | |
131 | if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) { |
132 | hid_err(parser->device, "collection stack overflow\n"); |
133 | return -EINVAL; |
134 | } |
135 | |
136 | if (parser->device->maxcollection == parser->device->collection_size) { |
137 | collection = kmalloc(sizeof(struct hid_collection) * |
138 | parser->device->collection_size * 2, GFP_KERNEL); |
139 | if (collection == NULL) { |
140 | hid_err(parser->device, "failed to reallocate collection array\n"); |
141 | return -ENOMEM; |
142 | } |
143 | memcpy(collection, parser->device->collection, |
144 | sizeof(struct hid_collection) * |
145 | parser->device->collection_size); |
146 | memset(collection + parser->device->collection_size, 0, |
147 | sizeof(struct hid_collection) * |
148 | parser->device->collection_size); |
149 | kfree(parser->device->collection); |
150 | parser->device->collection = collection; |
151 | parser->device->collection_size *= 2; |
152 | } |
153 | |
154 | parser->collection_stack[parser->collection_stack_ptr++] = |
155 | parser->device->maxcollection; |
156 | |
157 | collection = parser->device->collection + |
158 | parser->device->maxcollection++; |
159 | collection->type = type; |
160 | collection->usage = usage; |
161 | collection->level = parser->collection_stack_ptr - 1; |
162 | |
163 | if (type == HID_COLLECTION_APPLICATION) |
164 | parser->device->maxapplication++; |
165 | |
166 | return 0; |
167 | } |
168 | |
169 | /* |
170 | * Close a collection. |
171 | */ |
172 | |
173 | static int close_collection(struct hid_parser *parser) |
174 | { |
175 | if (!parser->collection_stack_ptr) { |
176 | hid_err(parser->device, "collection stack underflow\n"); |
177 | return -EINVAL; |
178 | } |
179 | parser->collection_stack_ptr--; |
180 | return 0; |
181 | } |
182 | |
183 | /* |
184 | * Climb up the stack, search for the specified collection type |
185 | * and return the usage. |
186 | */ |
187 | |
188 | static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type) |
189 | { |
190 | struct hid_collection *collection = parser->device->collection; |
191 | int n; |
192 | |
193 | for (n = parser->collection_stack_ptr - 1; n >= 0; n--) { |
194 | unsigned index = parser->collection_stack[n]; |
195 | if (collection[index].type == type) |
196 | return collection[index].usage; |
197 | } |
198 | return 0; /* we know nothing about this usage type */ |
199 | } |
200 | |
201 | /* |
202 | * Add a usage to the temporary parser table. |
203 | */ |
204 | |
205 | static int hid_add_usage(struct hid_parser *parser, unsigned usage) |
206 | { |
207 | if (parser->local.usage_index >= HID_MAX_USAGES) { |
208 | hid_err(parser->device, "usage index exceeded\n"); |
209 | return -1; |
210 | } |
211 | parser->local.usage[parser->local.usage_index] = usage; |
212 | parser->local.collection_index[parser->local.usage_index] = |
213 | parser->collection_stack_ptr ? |
214 | parser->collection_stack[parser->collection_stack_ptr - 1] : 0; |
215 | parser->local.usage_index++; |
216 | return 0; |
217 | } |
218 | |
219 | /* |
220 | * Register a new field for this report. |
221 | */ |
222 | |
223 | static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags) |
224 | { |
225 | struct hid_report *report; |
226 | struct hid_field *field; |
227 | int usages; |
228 | unsigned offset; |
229 | int i; |
230 | |
231 | report = hid_register_report(parser->device, report_type, parser->global.report_id); |
232 | if (!report) { |
233 | hid_err(parser->device, "hid_register_report failed\n"); |
234 | return -1; |
235 | } |
236 | |
237 | /* Handle both signed and unsigned cases properly */ |
238 | if ((parser->global.logical_minimum < 0 && |
239 | parser->global.logical_maximum < |
240 | parser->global.logical_minimum) || |
241 | (parser->global.logical_minimum >= 0 && |
242 | (__u32)parser->global.logical_maximum < |
243 | (__u32)parser->global.logical_minimum)) { |
244 | dbg_hid("logical range invalid 0x%x 0x%x\n", |
245 | parser->global.logical_minimum, |
246 | parser->global.logical_maximum); |
247 | return -1; |
248 | } |
249 | |
250 | offset = report->size; |
251 | report->size += parser->global.report_size * parser->global.report_count; |
252 | |
253 | if (!parser->local.usage_index) /* Ignore padding fields */ |
254 | return 0; |
255 | |
256 | usages = max_t(int, parser->local.usage_index, parser->global.report_count); |
257 | |
258 | field = hid_register_field(report, usages, parser->global.report_count); |
259 | if (!field) |
260 | return 0; |
261 | |
262 | field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL); |
263 | field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL); |
264 | field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION); |
265 | |
266 | for (i = 0; i < usages; i++) { |
267 | int j = i; |
268 | /* Duplicate the last usage we parsed if we have excess values */ |
269 | if (i >= parser->local.usage_index) |
270 | j = parser->local.usage_index - 1; |
271 | field->usage[i].hid = parser->local.usage[j]; |
272 | field->usage[i].collection_index = |
273 | parser->local.collection_index[j]; |
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 | __u32 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 | /* Units exponent negative numbers are given through a |
374 | * two's complement. |
375 | * See "6.2.2.7 Global Items" for more information. */ |
376 | raw_value = item_udata(item); |
377 | if (!(raw_value & 0xfffffff0)) |
378 | parser->global.unit_exponent = hid_snto32(raw_value, 4); |
379 | else |
380 | parser->global.unit_exponent = raw_value; |
381 | return 0; |
382 | |
383 | case HID_GLOBAL_ITEM_TAG_UNIT: |
384 | parser->global.unit = item_udata(item); |
385 | return 0; |
386 | |
387 | case HID_GLOBAL_ITEM_TAG_REPORT_SIZE: |
388 | parser->global.report_size = item_udata(item); |
389 | if (parser->global.report_size > 128) { |
390 | hid_err(parser->device, "invalid report_size %d\n", |
391 | parser->global.report_size); |
392 | return -1; |
393 | } |
394 | return 0; |
395 | |
396 | case HID_GLOBAL_ITEM_TAG_REPORT_COUNT: |
397 | parser->global.report_count = item_udata(item); |
398 | if (parser->global.report_count > HID_MAX_USAGES) { |
399 | hid_err(parser->device, "invalid report_count %d\n", |
400 | parser->global.report_count); |
401 | return -1; |
402 | } |
403 | return 0; |
404 | |
405 | case HID_GLOBAL_ITEM_TAG_REPORT_ID: |
406 | parser->global.report_id = item_udata(item); |
407 | if (parser->global.report_id == 0) { |
408 | hid_err(parser->device, "report_id 0 is invalid\n"); |
409 | return -1; |
410 | } |
411 | return 0; |
412 | |
413 | default: |
414 | hid_err(parser->device, "unknown global tag 0x%x\n", item->tag); |
415 | return -1; |
416 | } |
417 | } |
418 | |
419 | /* |
420 | * Process a local item. |
421 | */ |
422 | |
423 | static int hid_parser_local(struct hid_parser *parser, struct hid_item *item) |
424 | { |
425 | __u32 data; |
426 | unsigned n; |
427 | |
428 | data = item_udata(item); |
429 | |
430 | switch (item->tag) { |
431 | case HID_LOCAL_ITEM_TAG_DELIMITER: |
432 | |
433 | if (data) { |
434 | /* |
435 | * We treat items before the first delimiter |
436 | * as global to all usage sets (branch 0). |
437 | * In the moment we process only these global |
438 | * items and the first delimiter set. |
439 | */ |
440 | if (parser->local.delimiter_depth != 0) { |
441 | hid_err(parser->device, "nested delimiters\n"); |
442 | return -1; |
443 | } |
444 | parser->local.delimiter_depth++; |
445 | parser->local.delimiter_branch++; |
446 | } else { |
447 | if (parser->local.delimiter_depth < 1) { |
448 | hid_err(parser->device, "bogus close delimiter\n"); |
449 | return -1; |
450 | } |
451 | parser->local.delimiter_depth--; |
452 | } |
453 | return 1; |
454 | |
455 | case HID_LOCAL_ITEM_TAG_USAGE: |
456 | |
457 | if (parser->local.delimiter_branch > 1) { |
458 | dbg_hid("alternative usage ignored\n"); |
459 | return 0; |
460 | } |
461 | |
462 | if (item->size <= 2) |
463 | data = (parser->global.usage_page << 16) + data; |
464 | |
465 | return hid_add_usage(parser, data); |
466 | |
467 | case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM: |
468 | |
469 | if (parser->local.delimiter_branch > 1) { |
470 | dbg_hid("alternative usage ignored\n"); |
471 | return 0; |
472 | } |
473 | |
474 | if (item->size <= 2) |
475 | data = (parser->global.usage_page << 16) + data; |
476 | |
477 | parser->local.usage_minimum = data; |
478 | return 0; |
479 | |
480 | case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM: |
481 | |
482 | if (parser->local.delimiter_branch > 1) { |
483 | dbg_hid("alternative usage ignored\n"); |
484 | return 0; |
485 | } |
486 | |
487 | if (item->size <= 2) |
488 | data = (parser->global.usage_page << 16) + data; |
489 | |
490 | for (n = parser->local.usage_minimum; n <= data; n++) |
491 | if (hid_add_usage(parser, n)) { |
492 | dbg_hid("hid_add_usage failed\n"); |
493 | return -1; |
494 | } |
495 | return 0; |
496 | |
497 | default: |
498 | |
499 | dbg_hid("unknown local item tag 0x%x\n", item->tag); |
500 | return 0; |
501 | } |
502 | return 0; |
503 | } |
504 | |
505 | /* |
506 | * Process a main item. |
507 | */ |
508 | |
509 | static int hid_parser_main(struct hid_parser *parser, struct hid_item *item) |
510 | { |
511 | __u32 data; |
512 | int ret; |
513 | |
514 | data = item_udata(item); |
515 | |
516 | switch (item->tag) { |
517 | case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION: |
518 | ret = open_collection(parser, data & 0xff); |
519 | break; |
520 | case HID_MAIN_ITEM_TAG_END_COLLECTION: |
521 | ret = close_collection(parser); |
522 | break; |
523 | case HID_MAIN_ITEM_TAG_INPUT: |
524 | ret = hid_add_field(parser, HID_INPUT_REPORT, data); |
525 | break; |
526 | case HID_MAIN_ITEM_TAG_OUTPUT: |
527 | ret = hid_add_field(parser, HID_OUTPUT_REPORT, data); |
528 | break; |
529 | case HID_MAIN_ITEM_TAG_FEATURE: |
530 | ret = hid_add_field(parser, HID_FEATURE_REPORT, data); |
531 | break; |
532 | default: |
533 | hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag); |
534 | ret = 0; |
535 | } |
536 | |
537 | memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */ |
538 | |
539 | return ret; |
540 | } |
541 | |
542 | /* |
543 | * Process a reserved item. |
544 | */ |
545 | |
546 | static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item) |
547 | { |
548 | dbg_hid("reserved item type, tag 0x%x\n", item->tag); |
549 | return 0; |
550 | } |
551 | |
552 | /* |
553 | * Free a report and all registered fields. The field->usage and |
554 | * field->value table's are allocated behind the field, so we need |
555 | * only to free(field) itself. |
556 | */ |
557 | |
558 | static void hid_free_report(struct hid_report *report) |
559 | { |
560 | unsigned n; |
561 | |
562 | for (n = 0; n < report->maxfield; n++) |
563 | kfree(report->field[n]); |
564 | kfree(report); |
565 | } |
566 | |
567 | /* |
568 | * Close report. This function returns the device |
569 | * state to the point prior to hid_open_report(). |
570 | */ |
571 | static void hid_close_report(struct hid_device *device) |
572 | { |
573 | unsigned i, j; |
574 | |
575 | for (i = 0; i < HID_REPORT_TYPES; i++) { |
576 | struct hid_report_enum *report_enum = device->report_enum + i; |
577 | |
578 | for (j = 0; j < 256; j++) { |
579 | struct hid_report *report = report_enum->report_id_hash[j]; |
580 | if (report) |
581 | hid_free_report(report); |
582 | } |
583 | memset(report_enum, 0, sizeof(*report_enum)); |
584 | INIT_LIST_HEAD(&report_enum->report_list); |
585 | } |
586 | |
587 | kfree(device->rdesc); |
588 | device->rdesc = NULL; |
589 | device->rsize = 0; |
590 | |
591 | kfree(device->collection); |
592 | device->collection = NULL; |
593 | device->collection_size = 0; |
594 | device->maxcollection = 0; |
595 | device->maxapplication = 0; |
596 | |
597 | device->status &= ~HID_STAT_PARSED; |
598 | } |
599 | |
600 | /* |
601 | * Free a device structure, all reports, and all fields. |
602 | */ |
603 | |
604 | static void hid_device_release(struct device *dev) |
605 | { |
606 | struct hid_device *hid = container_of(dev, struct hid_device, dev); |
607 | |
608 | hid_close_report(hid); |
609 | kfree(hid->dev_rdesc); |
610 | kfree(hid); |
611 | } |
612 | |
613 | /* |
614 | * Fetch a report description item from the data stream. We support long |
615 | * items, though they are not used yet. |
616 | */ |
617 | |
618 | static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item) |
619 | { |
620 | u8 b; |
621 | |
622 | if ((end - start) <= 0) |
623 | return NULL; |
624 | |
625 | b = *start++; |
626 | |
627 | item->type = (b >> 2) & 3; |
628 | item->tag = (b >> 4) & 15; |
629 | |
630 | if (item->tag == HID_ITEM_TAG_LONG) { |
631 | |
632 | item->format = HID_ITEM_FORMAT_LONG; |
633 | |
634 | if ((end - start) < 2) |
635 | return NULL; |
636 | |
637 | item->size = *start++; |
638 | item->tag = *start++; |
639 | |
640 | if ((end - start) < item->size) |
641 | return NULL; |
642 | |
643 | item->data.longdata = start; |
644 | start += item->size; |
645 | return start; |
646 | } |
647 | |
648 | item->format = HID_ITEM_FORMAT_SHORT; |
649 | item->size = b & 3; |
650 | |
651 | switch (item->size) { |
652 | case 0: |
653 | return start; |
654 | |
655 | case 1: |
656 | if ((end - start) < 1) |
657 | return NULL; |
658 | item->data.u8 = *start++; |
659 | return start; |
660 | |
661 | case 2: |
662 | if ((end - start) < 2) |
663 | return NULL; |
664 | item->data.u16 = get_unaligned_le16(start); |
665 | start = (__u8 *)((__le16 *)start + 1); |
666 | return start; |
667 | |
668 | case 3: |
669 | item->size++; |
670 | if ((end - start) < 4) |
671 | return NULL; |
672 | item->data.u32 = get_unaligned_le32(start); |
673 | start = (__u8 *)((__le32 *)start + 1); |
674 | return start; |
675 | } |
676 | |
677 | return NULL; |
678 | } |
679 | |
680 | static void hid_scan_usage(struct hid_device *hid, u32 usage) |
681 | { |
682 | if (usage == HID_DG_CONTACTID) |
683 | hid->group = HID_GROUP_MULTITOUCH; |
684 | } |
685 | |
686 | /* |
687 | * Scan a report descriptor before the device is added to the bus. |
688 | * Sets device groups and other properties that determine what driver |
689 | * to load. |
690 | */ |
691 | static int hid_scan_report(struct hid_device *hid) |
692 | { |
693 | unsigned int page = 0, delim = 0; |
694 | __u8 *start = hid->dev_rdesc; |
695 | __u8 *end = start + hid->dev_rsize; |
696 | unsigned int u, u_min = 0, u_max = 0; |
697 | struct hid_item item; |
698 | |
699 | hid->group = HID_GROUP_GENERIC; |
700 | while ((start = fetch_item(start, end, &item)) != NULL) { |
701 | if (item.format != HID_ITEM_FORMAT_SHORT) |
702 | return -EINVAL; |
703 | if (item.type == HID_ITEM_TYPE_GLOBAL) { |
704 | if (item.tag == HID_GLOBAL_ITEM_TAG_USAGE_PAGE) |
705 | page = item_udata(&item) << 16; |
706 | } else if (item.type == HID_ITEM_TYPE_LOCAL) { |
707 | if (delim > 1) |
708 | break; |
709 | u = item_udata(&item); |
710 | if (item.size <= 2) |
711 | u += page; |
712 | switch (item.tag) { |
713 | case HID_LOCAL_ITEM_TAG_DELIMITER: |
714 | delim += !!u; |
715 | break; |
716 | case HID_LOCAL_ITEM_TAG_USAGE: |
717 | hid_scan_usage(hid, u); |
718 | break; |
719 | case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM: |
720 | u_min = u; |
721 | break; |
722 | case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM: |
723 | u_max = u; |
724 | for (u = u_min; u <= u_max; u++) |
725 | hid_scan_usage(hid, u); |
726 | break; |
727 | } |
728 | } else if (page == HID_UP_SENSOR && |
729 | item.type == HID_ITEM_TYPE_MAIN && |
730 | item.tag == HID_MAIN_ITEM_TAG_BEGIN_COLLECTION && |
731 | (item_udata(&item) & 0xff) == HID_COLLECTION_PHYSICAL && |
732 | (hid->bus == BUS_USB || hid->bus == BUS_I2C)) |
733 | hid->group = HID_GROUP_SENSOR_HUB; |
734 | } |
735 | |
736 | return 0; |
737 | } |
738 | |
739 | /** |
740 | * hid_parse_report - parse device report |
741 | * |
742 | * @device: hid device |
743 | * @start: report start |
744 | * @size: report size |
745 | * |
746 | * Allocate the device report as read by the bus driver. This function should |
747 | * only be called from parse() in ll drivers. |
748 | */ |
749 | int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size) |
750 | { |
751 | hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL); |
752 | if (!hid->dev_rdesc) |
753 | return -ENOMEM; |
754 | hid->dev_rsize = size; |
755 | return 0; |
756 | } |
757 | EXPORT_SYMBOL_GPL(hid_parse_report); |
758 | |
759 | /** |
760 | * hid_open_report - open a driver-specific device report |
761 | * |
762 | * @device: hid device |
763 | * |
764 | * Parse a report description into a hid_device structure. Reports are |
765 | * enumerated, fields are attached to these reports. |
766 | * 0 returned on success, otherwise nonzero error value. |
767 | * |
768 | * This function (or the equivalent hid_parse() macro) should only be |
769 | * called from probe() in drivers, before starting the device. |
770 | */ |
771 | int hid_open_report(struct hid_device *device) |
772 | { |
773 | struct hid_parser *parser; |
774 | struct hid_item item; |
775 | unsigned int size; |
776 | __u8 *start; |
777 | __u8 *buf; |
778 | __u8 *end; |
779 | int ret; |
780 | static int (*dispatch_type[])(struct hid_parser *parser, |
781 | struct hid_item *item) = { |
782 | hid_parser_main, |
783 | hid_parser_global, |
784 | hid_parser_local, |
785 | hid_parser_reserved |
786 | }; |
787 | |
788 | if (WARN_ON(device->status & HID_STAT_PARSED)) |
789 | return -EBUSY; |
790 | |
791 | start = device->dev_rdesc; |
792 | if (WARN_ON(!start)) |
793 | return -ENODEV; |
794 | size = device->dev_rsize; |
795 | |
796 | buf = kmemdup(start, size, GFP_KERNEL); |
797 | if (buf == NULL) |
798 | return -ENOMEM; |
799 | |
800 | if (device->driver->report_fixup) |
801 | start = device->driver->report_fixup(device, buf, &size); |
802 | else |
803 | start = buf; |
804 | |
805 | start = kmemdup(start, size, GFP_KERNEL); |
806 | kfree(buf); |
807 | if (start == NULL) |
808 | return -ENOMEM; |
809 | |
810 | device->rdesc = start; |
811 | device->rsize = size; |
812 | |
813 | parser = vzalloc(sizeof(struct hid_parser)); |
814 | if (!parser) { |
815 | ret = -ENOMEM; |
816 | goto err; |
817 | } |
818 | |
819 | parser->device = device; |
820 | |
821 | end = start + size; |
822 | |
823 | device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS, |
824 | sizeof(struct hid_collection), GFP_KERNEL); |
825 | if (!device->collection) { |
826 | ret = -ENOMEM; |
827 | goto err; |
828 | } |
829 | device->collection_size = HID_DEFAULT_NUM_COLLECTIONS; |
830 | |
831 | ret = -EINVAL; |
832 | while ((start = fetch_item(start, end, &item)) != NULL) { |
833 | |
834 | if (item.format != HID_ITEM_FORMAT_SHORT) { |
835 | hid_err(device, "unexpected long global item\n"); |
836 | goto err; |
837 | } |
838 | |
839 | if (dispatch_type[item.type](parser, &item)) { |
840 | hid_err(device, "item %u %u %u %u parsing failed\n", |
841 | item.format, (unsigned)item.size, |
842 | (unsigned)item.type, (unsigned)item.tag); |
843 | goto err; |
844 | } |
845 | |
846 | if (start == end) { |
847 | if (parser->collection_stack_ptr) { |
848 | hid_err(device, "unbalanced collection at end of report description\n"); |
849 | goto err; |
850 | } |
851 | if (parser->local.delimiter_depth) { |
852 | hid_err(device, "unbalanced delimiter at end of report description\n"); |
853 | goto err; |
854 | } |
855 | vfree(parser); |
856 | device->status |= HID_STAT_PARSED; |
857 | return 0; |
858 | } |
859 | } |
860 | |
861 | hid_err(device, "item fetching failed at offset %d\n", (int)(end - start)); |
862 | err: |
863 | vfree(parser); |
864 | hid_close_report(device); |
865 | return ret; |
866 | } |
867 | EXPORT_SYMBOL_GPL(hid_open_report); |
868 | |
869 | /* |
870 | * Convert a signed n-bit integer to signed 32-bit integer. Common |
871 | * cases are done through the compiler, the screwed things has to be |
872 | * done by hand. |
873 | */ |
874 | |
875 | static s32 snto32(__u32 value, unsigned n) |
876 | { |
877 | switch (n) { |
878 | case 8: return ((__s8)value); |
879 | case 16: return ((__s16)value); |
880 | case 32: return ((__s32)value); |
881 | } |
882 | return value & (1 << (n - 1)) ? value | (-1 << n) : value; |
883 | } |
884 | |
885 | s32 hid_snto32(__u32 value, unsigned n) |
886 | { |
887 | return snto32(value, n); |
888 | } |
889 | EXPORT_SYMBOL_GPL(hid_snto32); |
890 | |
891 | /* |
892 | * Convert a signed 32-bit integer to a signed n-bit integer. |
893 | */ |
894 | |
895 | static u32 s32ton(__s32 value, unsigned n) |
896 | { |
897 | s32 a = value >> (n - 1); |
898 | if (a && a != -1) |
899 | return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1; |
900 | return value & ((1 << n) - 1); |
901 | } |
902 | |
903 | /* |
904 | * Extract/implement a data field from/to a little endian report (bit array). |
905 | * |
906 | * Code sort-of follows HID spec: |
907 | * http://www.usb.org/developers/devclass_docs/HID1_11.pdf |
908 | * |
909 | * While the USB HID spec allows unlimited length bit fields in "report |
910 | * descriptors", most devices never use more than 16 bits. |
911 | * One model of UPS is claimed to report "LINEV" as a 32-bit field. |
912 | * Search linux-kernel and linux-usb-devel archives for "hid-core extract". |
913 | */ |
914 | |
915 | static __u32 extract(const struct hid_device *hid, __u8 *report, |
916 | unsigned offset, unsigned n) |
917 | { |
918 | u64 x; |
919 | |
920 | if (n > 32) |
921 | hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n", |
922 | n, current->comm); |
923 | |
924 | report += offset >> 3; /* adjust byte index */ |
925 | offset &= 7; /* now only need bit offset into one byte */ |
926 | x = get_unaligned_le64(report); |
927 | x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */ |
928 | return (u32) x; |
929 | } |
930 | |
931 | /* |
932 | * "implement" : set bits in a little endian bit stream. |
933 | * Same concepts as "extract" (see comments above). |
934 | * The data mangled in the bit stream remains in little endian |
935 | * order the whole time. It make more sense to talk about |
936 | * endianness of register values by considering a register |
937 | * a "cached" copy of the little endiad bit stream. |
938 | */ |
939 | static void implement(const struct hid_device *hid, __u8 *report, |
940 | unsigned offset, unsigned n, __u32 value) |
941 | { |
942 | u64 x; |
943 | u64 m = (1ULL << n) - 1; |
944 | |
945 | if (n > 32) |
946 | hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n", |
947 | __func__, n, current->comm); |
948 | |
949 | if (value > m) |
950 | hid_warn(hid, "%s() called with too large value %d! (%s)\n", |
951 | __func__, value, current->comm); |
952 | WARN_ON(value > m); |
953 | value &= m; |
954 | |
955 | report += offset >> 3; |
956 | offset &= 7; |
957 | |
958 | x = get_unaligned_le64(report); |
959 | x &= ~(m << offset); |
960 | x |= ((u64)value) << offset; |
961 | put_unaligned_le64(x, report); |
962 | } |
963 | |
964 | /* |
965 | * Search an array for a value. |
966 | */ |
967 | |
968 | static int search(__s32 *array, __s32 value, unsigned n) |
969 | { |
970 | while (n--) { |
971 | if (*array++ == value) |
972 | return 0; |
973 | } |
974 | return -1; |
975 | } |
976 | |
977 | /** |
978 | * hid_match_report - check if driver's raw_event should be called |
979 | * |
980 | * @hid: hid device |
981 | * @report_type: type to match against |
982 | * |
983 | * compare hid->driver->report_table->report_type to report->type |
984 | */ |
985 | static int hid_match_report(struct hid_device *hid, struct hid_report *report) |
986 | { |
987 | const struct hid_report_id *id = hid->driver->report_table; |
988 | |
989 | if (!id) /* NULL means all */ |
990 | return 1; |
991 | |
992 | for (; id->report_type != HID_TERMINATOR; id++) |
993 | if (id->report_type == HID_ANY_ID || |
994 | id->report_type == report->type) |
995 | return 1; |
996 | return 0; |
997 | } |
998 | |
999 | /** |
1000 | * hid_match_usage - check if driver's event should be called |
1001 | * |
1002 | * @hid: hid device |
1003 | * @usage: usage to match against |
1004 | * |
1005 | * compare hid->driver->usage_table->usage_{type,code} to |
1006 | * usage->usage_{type,code} |
1007 | */ |
1008 | static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage) |
1009 | { |
1010 | const struct hid_usage_id *id = hid->driver->usage_table; |
1011 | |
1012 | if (!id) /* NULL means all */ |
1013 | return 1; |
1014 | |
1015 | for (; id->usage_type != HID_ANY_ID - 1; id++) |
1016 | if ((id->usage_hid == HID_ANY_ID || |
1017 | id->usage_hid == usage->hid) && |
1018 | (id->usage_type == HID_ANY_ID || |
1019 | id->usage_type == usage->type) && |
1020 | (id->usage_code == HID_ANY_ID || |
1021 | id->usage_code == usage->code)) |
1022 | return 1; |
1023 | return 0; |
1024 | } |
1025 | |
1026 | static void hid_process_event(struct hid_device *hid, struct hid_field *field, |
1027 | struct hid_usage *usage, __s32 value, int interrupt) |
1028 | { |
1029 | struct hid_driver *hdrv = hid->driver; |
1030 | int ret; |
1031 | |
1032 | if (!list_empty(&hid->debug_list)) |
1033 | hid_dump_input(hid, usage, value); |
1034 | |
1035 | if (hdrv && hdrv->event && hid_match_usage(hid, usage)) { |
1036 | ret = hdrv->event(hid, field, usage, value); |
1037 | if (ret != 0) { |
1038 | if (ret < 0) |
1039 | hid_err(hid, "%s's event failed with %d\n", |
1040 | hdrv->name, ret); |
1041 | return; |
1042 | } |
1043 | } |
1044 | |
1045 | if (hid->claimed & HID_CLAIMED_INPUT) |
1046 | hidinput_hid_event(hid, field, usage, value); |
1047 | if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event) |
1048 | hid->hiddev_hid_event(hid, field, usage, value); |
1049 | } |
1050 | |
1051 | /* |
1052 | * Analyse a received field, and fetch the data from it. The field |
1053 | * content is stored for next report processing (we do differential |
1054 | * reporting to the layer). |
1055 | */ |
1056 | |
1057 | static void hid_input_field(struct hid_device *hid, struct hid_field *field, |
1058 | __u8 *data, int interrupt) |
1059 | { |
1060 | unsigned n; |
1061 | unsigned count = field->report_count; |
1062 | unsigned offset = field->report_offset; |
1063 | unsigned size = field->report_size; |
1064 | __s32 min = field->logical_minimum; |
1065 | __s32 max = field->logical_maximum; |
1066 | __s32 *value; |
1067 | |
1068 | value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC); |
1069 | if (!value) |
1070 | return; |
1071 | |
1072 | for (n = 0; n < count; n++) { |
1073 | |
1074 | value[n] = min < 0 ? |
1075 | snto32(extract(hid, data, offset + n * size, size), |
1076 | size) : |
1077 | extract(hid, data, offset + n * size, size); |
1078 | |
1079 | /* Ignore report if ErrorRollOver */ |
1080 | if (!(field->flags & HID_MAIN_ITEM_VARIABLE) && |
1081 | value[n] >= min && value[n] <= max && |
1082 | field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1) |
1083 | goto exit; |
1084 | } |
1085 | |
1086 | for (n = 0; n < count; n++) { |
1087 | |
1088 | if (HID_MAIN_ITEM_VARIABLE & field->flags) { |
1089 | hid_process_event(hid, field, &field->usage[n], value[n], interrupt); |
1090 | continue; |
1091 | } |
1092 | |
1093 | if (field->value[n] >= min && field->value[n] <= max |
1094 | && field->usage[field->value[n] - min].hid |
1095 | && search(value, field->value[n], count)) |
1096 | hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt); |
1097 | |
1098 | if (value[n] >= min && value[n] <= max |
1099 | && field->usage[value[n] - min].hid |
1100 | && search(field->value, value[n], count)) |
1101 | hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt); |
1102 | } |
1103 | |
1104 | memcpy(field->value, value, count * sizeof(__s32)); |
1105 | exit: |
1106 | kfree(value); |
1107 | } |
1108 | |
1109 | /* |
1110 | * Output the field into the report. |
1111 | */ |
1112 | |
1113 | static void hid_output_field(const struct hid_device *hid, |
1114 | struct hid_field *field, __u8 *data) |
1115 | { |
1116 | unsigned count = field->report_count; |
1117 | unsigned offset = field->report_offset; |
1118 | unsigned size = field->report_size; |
1119 | unsigned n; |
1120 | |
1121 | for (n = 0; n < count; n++) { |
1122 | if (field->logical_minimum < 0) /* signed values */ |
1123 | implement(hid, data, offset + n * size, size, |
1124 | s32ton(field->value[n], size)); |
1125 | else /* unsigned values */ |
1126 | implement(hid, data, offset + n * size, size, |
1127 | field->value[n]); |
1128 | } |
1129 | } |
1130 | |
1131 | /* |
1132 | * Create a report. |
1133 | */ |
1134 | |
1135 | void hid_output_report(struct hid_report *report, __u8 *data) |
1136 | { |
1137 | unsigned n; |
1138 | |
1139 | if (report->id > 0) |
1140 | *data++ = report->id; |
1141 | |
1142 | memset(data, 0, ((report->size - 1) >> 3) + 1); |
1143 | for (n = 0; n < report->maxfield; n++) |
1144 | hid_output_field(report->device, report->field[n], data); |
1145 | } |
1146 | EXPORT_SYMBOL_GPL(hid_output_report); |
1147 | |
1148 | /* |
1149 | * Set a field value. The report this field belongs to has to be |
1150 | * created and transferred to the device, to set this value in the |
1151 | * device. |
1152 | */ |
1153 | |
1154 | int hid_set_field(struct hid_field *field, unsigned offset, __s32 value) |
1155 | { |
1156 | unsigned size = field->report_size; |
1157 | |
1158 | hid_dump_input(field->report->device, field->usage + offset, value); |
1159 | |
1160 | if (offset >= field->report_count) { |
1161 | hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n", |
1162 | offset, field->report_count); |
1163 | return -1; |
1164 | } |
1165 | if (field->logical_minimum < 0) { |
1166 | if (value != snto32(s32ton(value, size), size)) { |
1167 | hid_err(field->report->device, "value %d is out of range\n", value); |
1168 | return -1; |
1169 | } |
1170 | } |
1171 | field->value[offset] = value; |
1172 | return 0; |
1173 | } |
1174 | EXPORT_SYMBOL_GPL(hid_set_field); |
1175 | |
1176 | static struct hid_report *hid_get_report(struct hid_report_enum *report_enum, |
1177 | const u8 *data) |
1178 | { |
1179 | struct hid_report *report; |
1180 | unsigned int n = 0; /* Normally report number is 0 */ |
1181 | |
1182 | /* Device uses numbered reports, data[0] is report number */ |
1183 | if (report_enum->numbered) |
1184 | n = *data; |
1185 | |
1186 | report = report_enum->report_id_hash[n]; |
1187 | if (report == NULL) |
1188 | dbg_hid("undefined report_id %u received\n", n); |
1189 | |
1190 | return report; |
1191 | } |
1192 | |
1193 | int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, |
1194 | int interrupt) |
1195 | { |
1196 | struct hid_report_enum *report_enum = hid->report_enum + type; |
1197 | struct hid_report *report; |
1198 | struct hid_driver *hdrv; |
1199 | unsigned int a; |
1200 | int rsize, csize = size; |
1201 | u8 *cdata = data; |
1202 | int ret = 0; |
1203 | |
1204 | report = hid_get_report(report_enum, data); |
1205 | if (!report) |
1206 | goto out; |
1207 | |
1208 | if (report_enum->numbered) { |
1209 | cdata++; |
1210 | csize--; |
1211 | } |
1212 | |
1213 | rsize = ((report->size - 1) >> 3) + 1; |
1214 | |
1215 | if (rsize > HID_MAX_BUFFER_SIZE) |
1216 | rsize = HID_MAX_BUFFER_SIZE; |
1217 | |
1218 | if (csize < rsize) { |
1219 | dbg_hid("report %d is too short, (%d < %d)\n", report->id, |
1220 | csize, rsize); |
1221 | memset(cdata + csize, 0, rsize - csize); |
1222 | } |
1223 | |
1224 | if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event) |
1225 | hid->hiddev_report_event(hid, report); |
1226 | if (hid->claimed & HID_CLAIMED_HIDRAW) { |
1227 | ret = hidraw_report_event(hid, data, size); |
1228 | if (ret) |
1229 | goto out; |
1230 | } |
1231 | |
1232 | if (hid->claimed != HID_CLAIMED_HIDRAW) { |
1233 | for (a = 0; a < report->maxfield; a++) |
1234 | hid_input_field(hid, report->field[a], cdata, interrupt); |
1235 | hdrv = hid->driver; |
1236 | if (hdrv && hdrv->report) |
1237 | hdrv->report(hid, report); |
1238 | } |
1239 | |
1240 | if (hid->claimed & HID_CLAIMED_INPUT) |
1241 | hidinput_report_event(hid, report); |
1242 | out: |
1243 | return ret; |
1244 | } |
1245 | EXPORT_SYMBOL_GPL(hid_report_raw_event); |
1246 | |
1247 | /** |
1248 | * hid_input_report - report data from lower layer (usb, bt...) |
1249 | * |
1250 | * @hid: hid device |
1251 | * @type: HID report type (HID_*_REPORT) |
1252 | * @data: report contents |
1253 | * @size: size of data parameter |
1254 | * @interrupt: distinguish between interrupt and control transfers |
1255 | * |
1256 | * This is data entry for lower layers. |
1257 | */ |
1258 | int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt) |
1259 | { |
1260 | struct hid_report_enum *report_enum; |
1261 | struct hid_driver *hdrv; |
1262 | struct hid_report *report; |
1263 | char *buf; |
1264 | unsigned int i; |
1265 | int ret = 0; |
1266 | |
1267 | if (!hid) |
1268 | return -ENODEV; |
1269 | |
1270 | if (down_trylock(&hid->driver_lock)) |
1271 | return -EBUSY; |
1272 | |
1273 | if (!hid->driver) { |
1274 | ret = -ENODEV; |
1275 | goto unlock; |
1276 | } |
1277 | report_enum = hid->report_enum + type; |
1278 | hdrv = hid->driver; |
1279 | |
1280 | if (!size) { |
1281 | dbg_hid("empty report\n"); |
1282 | ret = -1; |
1283 | goto unlock; |
1284 | } |
1285 | |
1286 | /* Avoid unnecessary overhead if debugfs is disabled */ |
1287 | if (list_empty(&hid->debug_list)) |
1288 | goto nomem; |
1289 | |
1290 | buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC); |
1291 | |
1292 | if (!buf) |
1293 | goto nomem; |
1294 | |
1295 | /* dump the report */ |
1296 | snprintf(buf, HID_DEBUG_BUFSIZE - 1, |
1297 | "\nreport (size %u) (%snumbered) = ", size, report_enum->numbered ? "" : "un"); |
1298 | hid_debug_event(hid, buf); |
1299 | |
1300 | for (i = 0; i < size; i++) { |
1301 | snprintf(buf, HID_DEBUG_BUFSIZE - 1, |
1302 | " %02x", data[i]); |
1303 | hid_debug_event(hid, buf); |
1304 | } |
1305 | hid_debug_event(hid, "\n"); |
1306 | kfree(buf); |
1307 | |
1308 | nomem: |
1309 | report = hid_get_report(report_enum, data); |
1310 | |
1311 | if (!report) { |
1312 | ret = -1; |
1313 | goto unlock; |
1314 | } |
1315 | |
1316 | if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) { |
1317 | ret = hdrv->raw_event(hid, report, data, size); |
1318 | if (ret != 0) { |
1319 | ret = ret < 0 ? ret : 0; |
1320 | goto unlock; |
1321 | } |
1322 | } |
1323 | |
1324 | ret = hid_report_raw_event(hid, type, data, size, interrupt); |
1325 | |
1326 | unlock: |
1327 | up(&hid->driver_lock); |
1328 | return ret; |
1329 | } |
1330 | EXPORT_SYMBOL_GPL(hid_input_report); |
1331 | |
1332 | static bool hid_match_one_id(struct hid_device *hdev, |
1333 | const struct hid_device_id *id) |
1334 | { |
1335 | return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) && |
1336 | (id->group == HID_GROUP_ANY || id->group == hdev->group) && |
1337 | (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) && |
1338 | (id->product == HID_ANY_ID || id->product == hdev->product); |
1339 | } |
1340 | |
1341 | const struct hid_device_id *hid_match_id(struct hid_device *hdev, |
1342 | const struct hid_device_id *id) |
1343 | { |
1344 | for (; id->bus; id++) |
1345 | if (hid_match_one_id(hdev, id)) |
1346 | return id; |
1347 | |
1348 | return NULL; |
1349 | } |
1350 | |
1351 | static const struct hid_device_id hid_hiddev_list[] = { |
1352 | { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) }, |
1353 | { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) }, |
1354 | { } |
1355 | }; |
1356 | |
1357 | static bool hid_hiddev(struct hid_device *hdev) |
1358 | { |
1359 | return !!hid_match_id(hdev, hid_hiddev_list); |
1360 | } |
1361 | |
1362 | |
1363 | static ssize_t |
1364 | read_report_descriptor(struct file *filp, struct kobject *kobj, |
1365 | struct bin_attribute *attr, |
1366 | char *buf, loff_t off, size_t count) |
1367 | { |
1368 | struct device *dev = container_of(kobj, struct device, kobj); |
1369 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
1370 | |
1371 | if (off >= hdev->rsize) |
1372 | return 0; |
1373 | |
1374 | if (off + count > hdev->rsize) |
1375 | count = hdev->rsize - off; |
1376 | |
1377 | memcpy(buf, hdev->rdesc + off, count); |
1378 | |
1379 | return count; |
1380 | } |
1381 | |
1382 | static struct bin_attribute dev_bin_attr_report_desc = { |
1383 | .attr = { .name = "report_descriptor", .mode = 0444 }, |
1384 | .read = read_report_descriptor, |
1385 | .size = HID_MAX_DESCRIPTOR_SIZE, |
1386 | }; |
1387 | |
1388 | int hid_connect(struct hid_device *hdev, unsigned int connect_mask) |
1389 | { |
1390 | static const char *types[] = { "Device", "Pointer", "Mouse", "Device", |
1391 | "Joystick", "Gamepad", "Keyboard", "Keypad", |
1392 | "Multi-Axis Controller" |
1393 | }; |
1394 | const char *type, *bus; |
1395 | char buf[64]; |
1396 | unsigned int i; |
1397 | int len; |
1398 | int ret; |
1399 | |
1400 | if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE) |
1401 | connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV); |
1402 | if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE) |
1403 | connect_mask |= HID_CONNECT_HIDINPUT_FORCE; |
1404 | if (hdev->bus != BUS_USB) |
1405 | connect_mask &= ~HID_CONNECT_HIDDEV; |
1406 | if (hid_hiddev(hdev)) |
1407 | connect_mask |= HID_CONNECT_HIDDEV_FORCE; |
1408 | |
1409 | if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev, |
1410 | connect_mask & HID_CONNECT_HIDINPUT_FORCE)) |
1411 | hdev->claimed |= HID_CLAIMED_INPUT; |
1412 | |
1413 | if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect && |
1414 | !hdev->hiddev_connect(hdev, |
1415 | connect_mask & HID_CONNECT_HIDDEV_FORCE)) |
1416 | hdev->claimed |= HID_CLAIMED_HIDDEV; |
1417 | if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev)) |
1418 | hdev->claimed |= HID_CLAIMED_HIDRAW; |
1419 | |
1420 | /* Drivers with the ->raw_event callback set are not required to connect |
1421 | * to any other listener. */ |
1422 | if (!hdev->claimed && !hdev->driver->raw_event) { |
1423 | hid_err(hdev, "device has no listeners, quitting\n"); |
1424 | return -ENODEV; |
1425 | } |
1426 | |
1427 | if ((hdev->claimed & HID_CLAIMED_INPUT) && |
1428 | (connect_mask & HID_CONNECT_FF) && hdev->ff_init) |
1429 | hdev->ff_init(hdev); |
1430 | |
1431 | len = 0; |
1432 | if (hdev->claimed & HID_CLAIMED_INPUT) |
1433 | len += sprintf(buf + len, "input"); |
1434 | if (hdev->claimed & HID_CLAIMED_HIDDEV) |
1435 | len += sprintf(buf + len, "%shiddev%d", len ? "," : "", |
1436 | hdev->minor); |
1437 | if (hdev->claimed & HID_CLAIMED_HIDRAW) |
1438 | len += sprintf(buf + len, "%shidraw%d", len ? "," : "", |
1439 | ((struct hidraw *)hdev->hidraw)->minor); |
1440 | |
1441 | type = "Device"; |
1442 | for (i = 0; i < hdev->maxcollection; i++) { |
1443 | struct hid_collection *col = &hdev->collection[i]; |
1444 | if (col->type == HID_COLLECTION_APPLICATION && |
1445 | (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK && |
1446 | (col->usage & 0xffff) < ARRAY_SIZE(types)) { |
1447 | type = types[col->usage & 0xffff]; |
1448 | break; |
1449 | } |
1450 | } |
1451 | |
1452 | switch (hdev->bus) { |
1453 | case BUS_USB: |
1454 | bus = "USB"; |
1455 | break; |
1456 | case BUS_BLUETOOTH: |
1457 | bus = "BLUETOOTH"; |
1458 | break; |
1459 | default: |
1460 | bus = "<UNKNOWN>"; |
1461 | } |
1462 | |
1463 | ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc); |
1464 | if (ret) |
1465 | hid_warn(hdev, |
1466 | "can't create sysfs report descriptor attribute err: %d\n", ret); |
1467 | |
1468 | hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n", |
1469 | buf, bus, hdev->version >> 8, hdev->version & 0xff, |
1470 | type, hdev->name, hdev->phys); |
1471 | |
1472 | return 0; |
1473 | } |
1474 | EXPORT_SYMBOL_GPL(hid_connect); |
1475 | |
1476 | void hid_disconnect(struct hid_device *hdev) |
1477 | { |
1478 | device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc); |
1479 | if (hdev->claimed & HID_CLAIMED_INPUT) |
1480 | hidinput_disconnect(hdev); |
1481 | if (hdev->claimed & HID_CLAIMED_HIDDEV) |
1482 | hdev->hiddev_disconnect(hdev); |
1483 | if (hdev->claimed & HID_CLAIMED_HIDRAW) |
1484 | hidraw_disconnect(hdev); |
1485 | } |
1486 | EXPORT_SYMBOL_GPL(hid_disconnect); |
1487 | |
1488 | /* |
1489 | * A list of devices for which there is a specialized driver on HID bus. |
1490 | * |
1491 | * Please note that for multitouch devices (driven by hid-multitouch driver), |
1492 | * there is a proper autodetection and autoloading in place (based on presence |
1493 | * of HID_DG_CONTACTID), so those devices don't need to be added to this list, |
1494 | * as we are doing the right thing in hid_scan_usage(). |
1495 | * |
1496 | * Autodetection for (USB) HID sensor hubs exists too. If a collection of type |
1497 | * physical is found inside a usage page of type sensor, hid-sensor-hub will be |
1498 | * used as a driver. See hid_scan_report(). |
1499 | */ |
1500 | static const struct hid_device_id hid_have_special_driver[] = { |
1501 | { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) }, |
1502 | { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) }, |
1503 | { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) }, |
1504 | { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) }, |
1505 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) }, |
1506 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) }, |
1507 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) }, |
1508 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) }, |
1509 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) }, |
1510 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, |
1511 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, |
1512 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, |
1513 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, |
1514 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, |
1515 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, |
1516 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, |
1517 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, |
1518 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, |
1519 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, |
1520 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, |
1521 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) }, |
1522 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) }, |
1523 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) }, |
1524 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) }, |
1525 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) }, |
1526 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) }, |
1527 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, |
1528 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, |
1529 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, |
1530 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) }, |
1531 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) }, |
1532 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) }, |
1533 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, |
1534 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, |
1535 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, |
1536 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, |
1537 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, |
1538 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, |
1539 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, |
1540 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, |
1541 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, |
1542 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) }, |
1543 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) }, |
1544 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) }, |
1545 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) }, |
1546 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) }, |
1547 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) }, |
1548 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) }, |
1549 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) }, |
1550 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) }, |
1551 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) }, |
1552 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) }, |
1553 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) }, |
1554 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) }, |
1555 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) }, |
1556 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) }, |
1557 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) }, |
1558 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) }, |
1559 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) }, |
1560 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) }, |
1561 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) }, |
1562 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) }, |
1563 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, |
1564 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, |
1565 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, |
1566 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) }, |
1567 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) }, |
1568 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) }, |
1569 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) }, |
1570 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) }, |
1571 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) }, |
1572 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) }, |
1573 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) }, |
1574 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, |
1575 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, |
1576 | { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) }, |
1577 | { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) }, |
1578 | { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) }, |
1579 | { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) }, |
1580 | { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, |
1581 | { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) }, |
1582 | { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, |
1583 | { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) }, |
1584 | { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) }, |
1585 | { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) }, |
1586 | { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) }, |
1587 | { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, |
1588 | { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, |
1589 | { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) }, |
1590 | { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) }, |
1591 | { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, |
1592 | { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) }, |
1593 | { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) }, |
1594 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) }, |
1595 | { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) }, |
1596 | { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, |
1597 | { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) }, |
1598 | { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) }, |
1599 | { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) }, |
1600 | { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) }, |
1601 | { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, |
1602 | { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, |
1603 | { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) }, |
1604 | { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) }, |
1605 | { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) }, |
1606 | { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) }, |
1607 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) }, |
1608 | { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) }, |
1609 | { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) }, |
1610 | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) }, |
1611 | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) }, |
1612 | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) }, |
1613 | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) }, |
1614 | { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, |
1615 | { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) }, |
1616 | #if IS_ENABLED(CONFIG_HID_LENOVO_TPKBD) |
1617 | { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) }, |
1618 | #endif |
1619 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, |
1620 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, |
1621 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) }, |
1622 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) }, |
1623 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) }, |
1624 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) }, |
1625 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) }, |
1626 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) }, |
1627 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) }, |
1628 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) }, |
1629 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) }, |
1630 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) }, |
1631 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) }, |
1632 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) }, |
1633 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) }, |
1634 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) }, |
1635 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) }, |
1636 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) }, |
1637 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) }, |
1638 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) }, |
1639 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) }, |
1640 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) }, |
1641 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) }, |
1642 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) }, |
1643 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) }, |
1644 | #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ) |
1645 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) }, |
1646 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) }, |
1647 | #endif |
1648 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) }, |
1649 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) }, |
1650 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) }, |
1651 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) }, |
1652 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) }, |
1653 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) }, |
1654 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) }, |
1655 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) }, |
1656 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) }, |
1657 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) }, |
1658 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, |
1659 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) }, |
1660 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, |
1661 | { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, |
1662 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) }, |
1663 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) }, |
1664 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) }, |
1665 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) }, |
1666 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) }, |
1667 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) }, |
1668 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) }, |
1669 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) }, |
1670 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) }, |
1671 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) }, |
1672 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) }, |
1673 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) }, |
1674 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) }, |
1675 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) }, |
1676 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) }, |
1677 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) }, |
1678 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) }, |
1679 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) }, |
1680 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) }, |
1681 | { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, |
1682 | { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, |
1683 | { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, |
1684 | { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) }, |
1685 | #if IS_ENABLED(CONFIG_HID_ROCCAT) |
1686 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) }, |
1687 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) }, |
1688 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) }, |
1689 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) }, |
1690 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) }, |
1691 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) }, |
1692 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, |
1693 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) }, |
1694 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) }, |
1695 | #endif |
1696 | { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) }, |
1697 | { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, |
1698 | { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) }, |
1699 | { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, |
1700 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) }, |
1701 | { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, |
1702 | { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) }, |
1703 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, |
1704 | { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) }, |
1705 | { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) }, |
1706 | { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, |
1707 | { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) }, |
1708 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) }, |
1709 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) }, |
1710 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) }, |
1711 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) }, |
1712 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) }, |
1713 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) }, |
1714 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) }, |
1715 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) }, |
1716 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) }, |
1717 | { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) }, |
1718 | { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) }, |
1719 | { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) }, |
1720 | { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) }, |
1721 | { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) }, |
1722 | { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) }, |
1723 | { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) }, |
1724 | { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) }, |
1725 | { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) }, |
1726 | { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) }, |
1727 | { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) }, |
1728 | { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, |
1729 | { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) }, |
1730 | { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) }, |
1731 | { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) }, |
1732 | { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) }, |
1733 | { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) }, |
1734 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) }, |
1735 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) }, |
1736 | { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) }, |
1737 | { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) }, |
1738 | { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) }, |
1739 | { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) }, |
1740 | { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) }, |
1741 | { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) }, |
1742 | { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) }, |
1743 | { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) }, |
1744 | { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) }, |
1745 | { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) }, |
1746 | { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) }, |
1747 | |
1748 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) }, |
1749 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) }, |
1750 | { } |
1751 | }; |
1752 | |
1753 | struct hid_dynid { |
1754 | struct list_head list; |
1755 | struct hid_device_id id; |
1756 | }; |
1757 | |
1758 | /** |
1759 | * store_new_id - add a new HID device ID to this driver and re-probe devices |
1760 | * @driver: target device driver |
1761 | * @buf: buffer for scanning device ID data |
1762 | * @count: input size |
1763 | * |
1764 | * Adds a new dynamic hid device ID to this driver, |
1765 | * and causes the driver to probe for all devices again. |
1766 | */ |
1767 | static ssize_t store_new_id(struct device_driver *drv, const char *buf, |
1768 | size_t count) |
1769 | { |
1770 | struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); |
1771 | struct hid_dynid *dynid; |
1772 | __u32 bus, vendor, product; |
1773 | unsigned long driver_data = 0; |
1774 | int ret; |
1775 | |
1776 | ret = sscanf(buf, "%x %x %x %lx", |
1777 | &bus, &vendor, &product, &driver_data); |
1778 | if (ret < 3) |
1779 | return -EINVAL; |
1780 | |
1781 | dynid = kzalloc(sizeof(*dynid), GFP_KERNEL); |
1782 | if (!dynid) |
1783 | return -ENOMEM; |
1784 | |
1785 | dynid->id.bus = bus; |
1786 | dynid->id.group = HID_GROUP_ANY; |
1787 | dynid->id.vendor = vendor; |
1788 | dynid->id.product = product; |
1789 | dynid->id.driver_data = driver_data; |
1790 | |
1791 | spin_lock(&hdrv->dyn_lock); |
1792 | list_add_tail(&dynid->list, &hdrv->dyn_list); |
1793 | spin_unlock(&hdrv->dyn_lock); |
1794 | |
1795 | ret = driver_attach(&hdrv->driver); |
1796 | |
1797 | return ret ? : count; |
1798 | } |
1799 | static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id); |
1800 | |
1801 | static void hid_free_dynids(struct hid_driver *hdrv) |
1802 | { |
1803 | struct hid_dynid *dynid, *n; |
1804 | |
1805 | spin_lock(&hdrv->dyn_lock); |
1806 | list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) { |
1807 | list_del(&dynid->list); |
1808 | kfree(dynid); |
1809 | } |
1810 | spin_unlock(&hdrv->dyn_lock); |
1811 | } |
1812 | |
1813 | static const struct hid_device_id *hid_match_device(struct hid_device *hdev, |
1814 | struct hid_driver *hdrv) |
1815 | { |
1816 | struct hid_dynid *dynid; |
1817 | |
1818 | spin_lock(&hdrv->dyn_lock); |
1819 | list_for_each_entry(dynid, &hdrv->dyn_list, list) { |
1820 | if (hid_match_one_id(hdev, &dynid->id)) { |
1821 | spin_unlock(&hdrv->dyn_lock); |
1822 | return &dynid->id; |
1823 | } |
1824 | } |
1825 | spin_unlock(&hdrv->dyn_lock); |
1826 | |
1827 | return hid_match_id(hdev, hdrv->id_table); |
1828 | } |
1829 | |
1830 | static int hid_bus_match(struct device *dev, struct device_driver *drv) |
1831 | { |
1832 | struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); |
1833 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
1834 | |
1835 | return hid_match_device(hdev, hdrv) != NULL; |
1836 | } |
1837 | |
1838 | static int hid_device_probe(struct device *dev) |
1839 | { |
1840 | struct hid_driver *hdrv = container_of(dev->driver, |
1841 | struct hid_driver, driver); |
1842 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
1843 | const struct hid_device_id *id; |
1844 | int ret = 0; |
1845 | |
1846 | if (down_interruptible(&hdev->driver_lock)) |
1847 | return -EINTR; |
1848 | |
1849 | if (!hdev->driver) { |
1850 | id = hid_match_device(hdev, hdrv); |
1851 | if (id == NULL) { |
1852 | ret = -ENODEV; |
1853 | goto unlock; |
1854 | } |
1855 | |
1856 | hdev->driver = hdrv; |
1857 | if (hdrv->probe) { |
1858 | ret = hdrv->probe(hdev, id); |
1859 | } else { /* default probe */ |
1860 | ret = hid_open_report(hdev); |
1861 | if (!ret) |
1862 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
1863 | } |
1864 | if (ret) { |
1865 | hid_close_report(hdev); |
1866 | hdev->driver = NULL; |
1867 | } |
1868 | } |
1869 | unlock: |
1870 | up(&hdev->driver_lock); |
1871 | return ret; |
1872 | } |
1873 | |
1874 | static int hid_device_remove(struct device *dev) |
1875 | { |
1876 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
1877 | struct hid_driver *hdrv; |
1878 | |
1879 | if (down_interruptible(&hdev->driver_lock)) |
1880 | return -EINTR; |
1881 | |
1882 | hdrv = hdev->driver; |
1883 | if (hdrv) { |
1884 | if (hdrv->remove) |
1885 | hdrv->remove(hdev); |
1886 | else /* default remove */ |
1887 | hid_hw_stop(hdev); |
1888 | hid_close_report(hdev); |
1889 | hdev->driver = NULL; |
1890 | } |
1891 | |
1892 | up(&hdev->driver_lock); |
1893 | return 0; |
1894 | } |
1895 | |
1896 | static ssize_t modalias_show(struct device *dev, struct device_attribute *a, |
1897 | char *buf) |
1898 | { |
1899 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
1900 | int len; |
1901 | |
1902 | len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n", |
1903 | hdev->bus, hdev->group, hdev->vendor, hdev->product); |
1904 | |
1905 | return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len; |
1906 | } |
1907 | |
1908 | static struct device_attribute hid_dev_attrs[] = { |
1909 | __ATTR_RO(modalias), |
1910 | __ATTR_NULL, |
1911 | }; |
1912 | |
1913 | static int hid_uevent(struct device *dev, struct kobj_uevent_env *env) |
1914 | { |
1915 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
1916 | |
1917 | if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X", |
1918 | hdev->bus, hdev->vendor, hdev->product)) |
1919 | return -ENOMEM; |
1920 | |
1921 | if (add_uevent_var(env, "HID_NAME=%s", hdev->name)) |
1922 | return -ENOMEM; |
1923 | |
1924 | if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys)) |
1925 | return -ENOMEM; |
1926 | |
1927 | if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq)) |
1928 | return -ENOMEM; |
1929 | |
1930 | if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X", |
1931 | hdev->bus, hdev->group, hdev->vendor, hdev->product)) |
1932 | return -ENOMEM; |
1933 | |
1934 | return 0; |
1935 | } |
1936 | |
1937 | static struct bus_type hid_bus_type = { |
1938 | .name = "hid", |
1939 | .dev_attrs = hid_dev_attrs, |
1940 | .match = hid_bus_match, |
1941 | .probe = hid_device_probe, |
1942 | .remove = hid_device_remove, |
1943 | .uevent = hid_uevent, |
1944 | }; |
1945 | |
1946 | /* a list of devices that shouldn't be handled by HID core at all */ |
1947 | static const struct hid_device_id hid_ignore_list[] = { |
1948 | { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) }, |
1949 | { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) }, |
1950 | { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) }, |
1951 | { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) }, |
1952 | { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) }, |
1953 | { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) }, |
1954 | { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) }, |
1955 | { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) }, |
1956 | { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) }, |
1957 | { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) }, |
1958 | { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) }, |
1959 | { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) }, |
1960 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)}, |
1961 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)}, |
1962 | { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) }, |
1963 | { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) }, |
1964 | { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) }, |
1965 | { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) }, |
1966 | { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) }, |
1967 | { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) }, |
1968 | { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) }, |
1969 | { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) }, |
1970 | { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) }, |
1971 | { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) }, |
1972 | { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) }, |
1973 | { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) }, |
1974 | { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) }, |
1975 | { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) }, |
1976 | { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) }, |
1977 | { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) }, |
1978 | { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) }, |
1979 | { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) }, |
1980 | { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) }, |
1981 | { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) }, |
1982 | { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) }, |
1983 | { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) }, |
1984 | { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) }, |
1985 | { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) }, |
1986 | { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) }, |
1987 | { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) }, |
1988 | { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) }, |
1989 | { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) }, |
1990 | { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) }, |
1991 | { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) }, |
1992 | { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) }, |
1993 | { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) }, |
1994 | { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) }, |
1995 | { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) }, |
1996 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) }, |
1997 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) }, |
1998 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) }, |
1999 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) }, |
2000 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) }, |
2001 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) }, |
2002 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) }, |
2003 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) }, |
2004 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) }, |
2005 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) }, |
2006 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) }, |
2007 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) }, |
2008 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) }, |
2009 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) }, |
2010 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) }, |
2011 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) }, |
2012 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) }, |
2013 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) }, |
2014 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) }, |
2015 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) }, |
2016 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) }, |
2017 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) }, |
2018 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) }, |
2019 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) }, |
2020 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) }, |
2021 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) }, |
2022 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) }, |
2023 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) }, |
2024 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) }, |
2025 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) }, |
2026 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) }, |
2027 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) }, |
2028 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) }, |
2029 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) }, |
2030 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) }, |
2031 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) }, |
2032 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) }, |
2033 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) }, |
2034 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) }, |
2035 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) }, |
2036 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) }, |
2037 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) }, |
2038 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) }, |
2039 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) }, |
2040 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) }, |
2041 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) }, |
2042 | { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) }, |
2043 | { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) }, |
2044 | { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) }, |
2045 | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) }, |
2046 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) }, |
2047 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) }, |
2048 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) }, |
2049 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) }, |
2050 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) }, |
2051 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) }, |
2052 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) }, |
2053 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) }, |
2054 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) }, |
2055 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) }, |
2056 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) }, |
2057 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) }, |
2058 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) }, |
2059 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) }, |
2060 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) }, |
2061 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) }, |
2062 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) }, |
2063 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) }, |
2064 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) }, |
2065 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) }, |
2066 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) }, |
2067 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) }, |
2068 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) }, |
2069 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) }, |
2070 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) }, |
2071 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) }, |
2072 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) }, |
2073 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) }, |
2074 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) }, |
2075 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) }, |
2076 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) }, |
2077 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) }, |
2078 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) }, |
2079 | { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) }, |
2080 | { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) }, |
2081 | { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) }, |
2082 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) }, |
2083 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) }, |
2084 | { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) }, |
2085 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) }, |
2086 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) }, |
2087 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) }, |
2088 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) }, |
2089 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) }, |
2090 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) }, |
2091 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) }, |
2092 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) }, |
2093 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) }, |
2094 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) }, |
2095 | { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) }, |
2096 | { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) }, |
2097 | { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) }, |
2098 | { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) }, |
2099 | { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) }, |
2100 | { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) }, |
2101 | #if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE) |
2102 | { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) }, |
2103 | { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) }, |
2104 | { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) }, |
2105 | { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) }, |
2106 | { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) }, |
2107 | { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) }, |
2108 | { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) }, |
2109 | { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) }, |
2110 | #endif |
2111 | { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) }, |
2112 | { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) }, |
2113 | { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) }, |
2114 | { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) }, |
2115 | { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) }, |
2116 | { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) }, |
2117 | { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) }, |
2118 | { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) }, |
2119 | { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) }, |
2120 | { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) }, |
2121 | { } |
2122 | }; |
2123 | |
2124 | /** |
2125 | * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer |
2126 | * |
2127 | * There are composite devices for which we want to ignore only a certain |
2128 | * interface. This is a list of devices for which only the mouse interface will |
2129 | * be ignored. This allows a dedicated driver to take care of the interface. |
2130 | */ |
2131 | static const struct hid_device_id hid_mouse_ignore_list[] = { |
2132 | /* appletouch driver */ |
2133 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, |
2134 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, |
2135 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, |
2136 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, |
2137 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, |
2138 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, |
2139 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, |
2140 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, |
2141 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, |
2142 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, |
2143 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, |
2144 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, |
2145 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, |
2146 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, |
2147 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, |
2148 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, |
2149 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, |
2150 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, |
2151 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, |
2152 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, |
2153 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, |
2154 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, |
2155 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, |
2156 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) }, |
2157 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) }, |
2158 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) }, |
2159 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) }, |
2160 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) }, |
2161 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) }, |
2162 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) }, |
2163 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) }, |
2164 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) }, |
2165 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) }, |
2166 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) }, |
2167 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) }, |
2168 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) }, |
2169 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) }, |
2170 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) }, |
2171 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) }, |
2172 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) }, |
2173 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) }, |
2174 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, |
2175 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, |
2176 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, |
2177 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) }, |
2178 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) }, |
2179 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) }, |
2180 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, |
2181 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, |
2182 | { } |
2183 | }; |
2184 | |
2185 | bool hid_ignore(struct hid_device *hdev) |
2186 | { |
2187 | if (hdev->quirks & HID_QUIRK_NO_IGNORE) |
2188 | return false; |
2189 | if (hdev->quirks & HID_QUIRK_IGNORE) |
2190 | return true; |
2191 | |
2192 | switch (hdev->vendor) { |
2193 | case USB_VENDOR_ID_CODEMERCS: |
2194 | /* ignore all Code Mercenaries IOWarrior devices */ |
2195 | if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST && |
2196 | hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST) |
2197 | return true; |
2198 | break; |
2199 | case USB_VENDOR_ID_LOGITECH: |
2200 | if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST && |
2201 | hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST) |
2202 | return true; |
2203 | /* |
2204 | * The Keene FM transmitter USB device has the same USB ID as |
2205 | * the Logitech AudioHub Speaker, but it should ignore the hid. |
2206 | * Check if the name is that of the Keene device. |
2207 | * For reference: the name of the AudioHub is |
2208 | * "HOLTEK AudioHub Speaker". |
2209 | */ |
2210 | if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB && |
2211 | !strcmp(hdev->name, "HOLTEK B-LINK USB Audio ")) |
2212 | return true; |
2213 | break; |
2214 | case USB_VENDOR_ID_SOUNDGRAPH: |
2215 | if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST && |
2216 | hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST) |
2217 | return true; |
2218 | break; |
2219 | case USB_VENDOR_ID_HANWANG: |
2220 | if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST && |
2221 | hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST) |
2222 | return true; |
2223 | break; |
2224 | case USB_VENDOR_ID_JESS: |
2225 | if (hdev->product == USB_DEVICE_ID_JESS_YUREX && |
2226 | hdev->type == HID_TYPE_USBNONE) |
2227 | return true; |
2228 | break; |
2229 | case USB_VENDOR_ID_DWAV: |
2230 | /* These are handled by usbtouchscreen. hdev->type is probably |
2231 | * HID_TYPE_USBNONE, but we say !HID_TYPE_USBMOUSE to match |
2232 | * usbtouchscreen. */ |
2233 | if ((hdev->product == USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER || |
2234 | hdev->product == USB_DEVICE_ID_DWAV_TOUCHCONTROLLER) && |
2235 | hdev->type != HID_TYPE_USBMOUSE) |
2236 | return true; |
2237 | break; |
2238 | case USB_VENDOR_ID_VELLEMAN: |
2239 | /* These are not HID devices. They are handled by comedi. */ |
2240 | if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST && |
2241 | hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) || |
2242 | (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST && |
2243 | hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST)) |
2244 | return true; |
2245 | break; |
2246 | case USB_VENDOR_ID_ATMEL_V_USB: |
2247 | /* Masterkit MA901 usb radio based on Atmel tiny85 chip and |
2248 | * it has the same USB ID as many Atmel V-USB devices. This |
2249 | * usb radio is handled by radio-ma901.c driver so we want |
2250 | * ignore the hid. Check the name, bus, product and ignore |
2251 | * if we have MA901 usb radio. |
2252 | */ |
2253 | if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB && |
2254 | hdev->bus == BUS_USB && |
2255 | strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0) |
2256 | return true; |
2257 | break; |
2258 | } |
2259 | |
2260 | if (hdev->type == HID_TYPE_USBMOUSE && |
2261 | hid_match_id(hdev, hid_mouse_ignore_list)) |
2262 | return true; |
2263 | |
2264 | return !!hid_match_id(hdev, hid_ignore_list); |
2265 | } |
2266 | EXPORT_SYMBOL_GPL(hid_ignore); |
2267 | |
2268 | int hid_add_device(struct hid_device *hdev) |
2269 | { |
2270 | static atomic_t id = ATOMIC_INIT(0); |
2271 | int ret; |
2272 | |
2273 | if (WARN_ON(hdev->status & HID_STAT_ADDED)) |
2274 | return -EBUSY; |
2275 | |
2276 | /* we need to kill them here, otherwise they will stay allocated to |
2277 | * wait for coming driver */ |
2278 | if (hid_ignore(hdev)) |
2279 | return -ENODEV; |
2280 | |
2281 | /* |
2282 | * Read the device report descriptor once and use as template |
2283 | * for the driver-specific modifications. |
2284 | */ |
2285 | ret = hdev->ll_driver->parse(hdev); |
2286 | if (ret) |
2287 | return ret; |
2288 | if (!hdev->dev_rdesc) |
2289 | return -ENODEV; |
2290 | |
2291 | /* |
2292 | * Scan generic devices for group information |
2293 | */ |
2294 | if (hid_ignore_special_drivers || |
2295 | !hid_match_id(hdev, hid_have_special_driver)) { |
2296 | ret = hid_scan_report(hdev); |
2297 | if (ret) |
2298 | hid_warn(hdev, "bad device descriptor (%d)\n", ret); |
2299 | } |
2300 | |
2301 | /* XXX hack, any other cleaner solution after the driver core |
2302 | * is converted to allow more than 20 bytes as the device name? */ |
2303 | dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus, |
2304 | hdev->vendor, hdev->product, atomic_inc_return(&id)); |
2305 | |
2306 | hid_debug_register(hdev, dev_name(&hdev->dev)); |
2307 | ret = device_add(&hdev->dev); |
2308 | if (!ret) |
2309 | hdev->status |= HID_STAT_ADDED; |
2310 | else |
2311 | hid_debug_unregister(hdev); |
2312 | |
2313 | return ret; |
2314 | } |
2315 | EXPORT_SYMBOL_GPL(hid_add_device); |
2316 | |
2317 | /** |
2318 | * hid_allocate_device - allocate new hid device descriptor |
2319 | * |
2320 | * Allocate and initialize hid device, so that hid_destroy_device might be |
2321 | * used to free it. |
2322 | * |
2323 | * New hid_device pointer is returned on success, otherwise ERR_PTR encoded |
2324 | * error value. |
2325 | */ |
2326 | struct hid_device *hid_allocate_device(void) |
2327 | { |
2328 | struct hid_device *hdev; |
2329 | int ret = -ENOMEM; |
2330 | |
2331 | hdev = kzalloc(sizeof(*hdev), GFP_KERNEL); |
2332 | if (hdev == NULL) |
2333 | return ERR_PTR(ret); |
2334 | |
2335 | device_initialize(&hdev->dev); |
2336 | hdev->dev.release = hid_device_release; |
2337 | hdev->dev.bus = &hid_bus_type; |
2338 | |
2339 | hid_close_report(hdev); |
2340 | |
2341 | init_waitqueue_head(&hdev->debug_wait); |
2342 | INIT_LIST_HEAD(&hdev->debug_list); |
2343 | sema_init(&hdev->driver_lock, 1); |
2344 | |
2345 | return hdev; |
2346 | } |
2347 | EXPORT_SYMBOL_GPL(hid_allocate_device); |
2348 | |
2349 | static void hid_remove_device(struct hid_device *hdev) |
2350 | { |
2351 | if (hdev->status & HID_STAT_ADDED) { |
2352 | device_del(&hdev->dev); |
2353 | hid_debug_unregister(hdev); |
2354 | hdev->status &= ~HID_STAT_ADDED; |
2355 | } |
2356 | kfree(hdev->dev_rdesc); |
2357 | hdev->dev_rdesc = NULL; |
2358 | hdev->dev_rsize = 0; |
2359 | } |
2360 | |
2361 | /** |
2362 | * hid_destroy_device - free previously allocated device |
2363 | * |
2364 | * @hdev: hid device |
2365 | * |
2366 | * If you allocate hid_device through hid_allocate_device, you should ever |
2367 | * free by this function. |
2368 | */ |
2369 | void hid_destroy_device(struct hid_device *hdev) |
2370 | { |
2371 | hid_remove_device(hdev); |
2372 | put_device(&hdev->dev); |
2373 | } |
2374 | EXPORT_SYMBOL_GPL(hid_destroy_device); |
2375 | |
2376 | int __hid_register_driver(struct hid_driver *hdrv, struct module *owner, |
2377 | const char *mod_name) |
2378 | { |
2379 | int ret; |
2380 | |
2381 | hdrv->driver.name = hdrv->name; |
2382 | hdrv->driver.bus = &hid_bus_type; |
2383 | hdrv->driver.owner = owner; |
2384 | hdrv->driver.mod_name = mod_name; |
2385 | |
2386 | INIT_LIST_HEAD(&hdrv->dyn_list); |
2387 | spin_lock_init(&hdrv->dyn_lock); |
2388 | |
2389 | ret = driver_register(&hdrv->driver); |
2390 | if (ret) |
2391 | return ret; |
2392 | |
2393 | ret = driver_create_file(&hdrv->driver, &driver_attr_new_id); |
2394 | if (ret) |
2395 | driver_unregister(&hdrv->driver); |
2396 | |
2397 | return ret; |
2398 | } |
2399 | EXPORT_SYMBOL_GPL(__hid_register_driver); |
2400 | |
2401 | void hid_unregister_driver(struct hid_driver *hdrv) |
2402 | { |
2403 | driver_remove_file(&hdrv->driver, &driver_attr_new_id); |
2404 | driver_unregister(&hdrv->driver); |
2405 | hid_free_dynids(hdrv); |
2406 | } |
2407 | EXPORT_SYMBOL_GPL(hid_unregister_driver); |
2408 | |
2409 | int hid_check_keys_pressed(struct hid_device *hid) |
2410 | { |
2411 | struct hid_input *hidinput; |
2412 | int i; |
2413 | |
2414 | if (!(hid->claimed & HID_CLAIMED_INPUT)) |
2415 | return 0; |
2416 | |
2417 | list_for_each_entry(hidinput, &hid->inputs, list) { |
2418 | for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++) |
2419 | if (hidinput->input->key[i]) |
2420 | return 1; |
2421 | } |
2422 | |
2423 | return 0; |
2424 | } |
2425 | |
2426 | EXPORT_SYMBOL_GPL(hid_check_keys_pressed); |
2427 | |
2428 | static int __init hid_init(void) |
2429 | { |
2430 | int ret; |
2431 | |
2432 | if (hid_debug) |
2433 | pr_warn("hid_debug is now used solely for parser and driver debugging.\n" |
2434 | "debugfs is now used for inspecting the device (report descriptor, reports)\n"); |
2435 | |
2436 | ret = bus_register(&hid_bus_type); |
2437 | if (ret) { |
2438 | pr_err("can't register hid bus\n"); |
2439 | goto err; |
2440 | } |
2441 | |
2442 | ret = hidraw_init(); |
2443 | if (ret) |
2444 | goto err_bus; |
2445 | |
2446 | hid_debug_init(); |
2447 | |
2448 | return 0; |
2449 | err_bus: |
2450 | bus_unregister(&hid_bus_type); |
2451 | err: |
2452 | return ret; |
2453 | } |
2454 | |
2455 | static void __exit hid_exit(void) |
2456 | { |
2457 | hid_debug_exit(); |
2458 | hidraw_exit(); |
2459 | bus_unregister(&hid_bus_type); |
2460 | } |
2461 | |
2462 | module_init(hid_init); |
2463 | module_exit(hid_exit); |
2464 | |
2465 | MODULE_AUTHOR("Andreas Gal"); |
2466 | MODULE_AUTHOR("Vojtech Pavlik"); |
2467 | MODULE_AUTHOR("Jiri Kosina"); |
2468 | MODULE_LICENSE(DRIVER_LICENSE); |
2469 | |
2470 |
Branches:
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ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9