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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) 2006-2010 Jiri Kosina |
8 | */ |
9 | |
10 | /* |
11 | * This program is free software; you can redistribute it and/or modify it |
12 | * under the terms of the GNU General Public License as published by the Free |
13 | * Software Foundation; either version 2 of the License, or (at your option) |
14 | * any later version. |
15 | */ |
16 | |
17 | #include <linux/module.h> |
18 | #include <linux/slab.h> |
19 | #include <linux/init.h> |
20 | #include <linux/kernel.h> |
21 | #include <linux/list.h> |
22 | #include <linux/mm.h> |
23 | #include <linux/spinlock.h> |
24 | #include <asm/unaligned.h> |
25 | #include <asm/byteorder.h> |
26 | #include <linux/input.h> |
27 | #include <linux/wait.h> |
28 | #include <linux/vmalloc.h> |
29 | #include <linux/sched.h> |
30 | |
31 | #include <linux/hid.h> |
32 | #include <linux/hiddev.h> |
33 | #include <linux/hid-debug.h> |
34 | #include <linux/hidraw.h> |
35 | |
36 | #include "hid-ids.h" |
37 | |
38 | /* |
39 | * Version Information |
40 | */ |
41 | |
42 | #define DRIVER_DESC "HID core driver" |
43 | #define DRIVER_LICENSE "GPL" |
44 | |
45 | int hid_debug = 0; |
46 | module_param_named(debug, hid_debug, int, 0600); |
47 | MODULE_PARM_DESC(debug, "toggle HID debugging messages"); |
48 | EXPORT_SYMBOL_GPL(hid_debug); |
49 | |
50 | /* |
51 | * Register a new report for a device. |
52 | */ |
53 | |
54 | struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id) |
55 | { |
56 | struct hid_report_enum *report_enum = device->report_enum + type; |
57 | struct hid_report *report; |
58 | |
59 | if (report_enum->report_id_hash[id]) |
60 | return report_enum->report_id_hash[id]; |
61 | |
62 | if (!(report = kzalloc(sizeof(struct hid_report), GFP_KERNEL))) |
63 | return NULL; |
64 | |
65 | if (id != 0) |
66 | report_enum->numbered = 1; |
67 | |
68 | report->id = id; |
69 | report->type = type; |
70 | report->size = 0; |
71 | report->device = device; |
72 | report_enum->report_id_hash[id] = report; |
73 | |
74 | list_add_tail(&report->list, &report_enum->report_list); |
75 | |
76 | return report; |
77 | } |
78 | EXPORT_SYMBOL_GPL(hid_register_report); |
79 | |
80 | /* |
81 | * Register a new field for this report. |
82 | */ |
83 | |
84 | static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values) |
85 | { |
86 | struct hid_field *field; |
87 | |
88 | if (report->maxfield == HID_MAX_FIELDS) { |
89 | dbg_hid("too many fields in report\n"); |
90 | return NULL; |
91 | } |
92 | |
93 | if (!(field = kzalloc(sizeof(struct hid_field) + usages * sizeof(struct hid_usage) |
94 | + values * sizeof(unsigned), GFP_KERNEL))) return NULL; |
95 | |
96 | field->index = report->maxfield++; |
97 | report->field[field->index] = field; |
98 | field->usage = (struct hid_usage *)(field + 1); |
99 | field->value = (s32 *)(field->usage + usages); |
100 | field->report = report; |
101 | |
102 | return field; |
103 | } |
104 | |
105 | /* |
106 | * Open a collection. The type/usage is pushed on the stack. |
107 | */ |
108 | |
109 | static int open_collection(struct hid_parser *parser, unsigned type) |
110 | { |
111 | struct hid_collection *collection; |
112 | unsigned usage; |
113 | |
114 | usage = parser->local.usage[0]; |
115 | |
116 | if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) { |
117 | dbg_hid("collection stack overflow\n"); |
118 | return -1; |
119 | } |
120 | |
121 | if (parser->device->maxcollection == parser->device->collection_size) { |
122 | collection = kmalloc(sizeof(struct hid_collection) * |
123 | parser->device->collection_size * 2, GFP_KERNEL); |
124 | if (collection == NULL) { |
125 | dbg_hid("failed to reallocate collection array\n"); |
126 | return -1; |
127 | } |
128 | memcpy(collection, parser->device->collection, |
129 | sizeof(struct hid_collection) * |
130 | parser->device->collection_size); |
131 | memset(collection + parser->device->collection_size, 0, |
132 | sizeof(struct hid_collection) * |
133 | parser->device->collection_size); |
134 | kfree(parser->device->collection); |
135 | parser->device->collection = collection; |
136 | parser->device->collection_size *= 2; |
137 | } |
138 | |
139 | parser->collection_stack[parser->collection_stack_ptr++] = |
140 | parser->device->maxcollection; |
141 | |
142 | collection = parser->device->collection + |
143 | parser->device->maxcollection++; |
144 | collection->type = type; |
145 | collection->usage = usage; |
146 | collection->level = parser->collection_stack_ptr - 1; |
147 | |
148 | if (type == HID_COLLECTION_APPLICATION) |
149 | parser->device->maxapplication++; |
150 | |
151 | return 0; |
152 | } |
153 | |
154 | /* |
155 | * Close a collection. |
156 | */ |
157 | |
158 | static int close_collection(struct hid_parser *parser) |
159 | { |
160 | if (!parser->collection_stack_ptr) { |
161 | dbg_hid("collection stack underflow\n"); |
162 | return -1; |
163 | } |
164 | parser->collection_stack_ptr--; |
165 | return 0; |
166 | } |
167 | |
168 | /* |
169 | * Climb up the stack, search for the specified collection type |
170 | * and return the usage. |
171 | */ |
172 | |
173 | static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type) |
174 | { |
175 | int n; |
176 | for (n = parser->collection_stack_ptr - 1; n >= 0; n--) |
177 | if (parser->device->collection[parser->collection_stack[n]].type == type) |
178 | return parser->device->collection[parser->collection_stack[n]].usage; |
179 | return 0; /* we know nothing about this usage type */ |
180 | } |
181 | |
182 | /* |
183 | * Add a usage to the temporary parser table. |
184 | */ |
185 | |
186 | static int hid_add_usage(struct hid_parser *parser, unsigned usage) |
187 | { |
188 | if (parser->local.usage_index >= HID_MAX_USAGES) { |
189 | dbg_hid("usage index exceeded\n"); |
190 | return -1; |
191 | } |
192 | parser->local.usage[parser->local.usage_index] = usage; |
193 | parser->local.collection_index[parser->local.usage_index] = |
194 | parser->collection_stack_ptr ? |
195 | parser->collection_stack[parser->collection_stack_ptr - 1] : 0; |
196 | parser->local.usage_index++; |
197 | return 0; |
198 | } |
199 | |
200 | /* |
201 | * Register a new field for this report. |
202 | */ |
203 | |
204 | static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags) |
205 | { |
206 | struct hid_report *report; |
207 | struct hid_field *field; |
208 | int usages; |
209 | unsigned offset; |
210 | int i; |
211 | |
212 | if (!(report = hid_register_report(parser->device, report_type, parser->global.report_id))) { |
213 | dbg_hid("hid_register_report failed\n"); |
214 | return -1; |
215 | } |
216 | |
217 | if (parser->global.logical_maximum < parser->global.logical_minimum) { |
218 | dbg_hid("logical range invalid %d %d\n", parser->global.logical_minimum, parser->global.logical_maximum); |
219 | return -1; |
220 | } |
221 | |
222 | offset = report->size; |
223 | report->size += parser->global.report_size * parser->global.report_count; |
224 | |
225 | if (!parser->local.usage_index) /* Ignore padding fields */ |
226 | return 0; |
227 | |
228 | usages = max_t(int, parser->local.usage_index, parser->global.report_count); |
229 | |
230 | if ((field = hid_register_field(report, usages, parser->global.report_count)) == NULL) |
231 | return 0; |
232 | |
233 | field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL); |
234 | field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL); |
235 | field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION); |
236 | |
237 | for (i = 0; i < usages; i++) { |
238 | int j = i; |
239 | /* Duplicate the last usage we parsed if we have excess values */ |
240 | if (i >= parser->local.usage_index) |
241 | j = parser->local.usage_index - 1; |
242 | field->usage[i].hid = parser->local.usage[j]; |
243 | field->usage[i].collection_index = |
244 | parser->local.collection_index[j]; |
245 | } |
246 | |
247 | field->maxusage = usages; |
248 | field->flags = flags; |
249 | field->report_offset = offset; |
250 | field->report_type = report_type; |
251 | field->report_size = parser->global.report_size; |
252 | field->report_count = parser->global.report_count; |
253 | field->logical_minimum = parser->global.logical_minimum; |
254 | field->logical_maximum = parser->global.logical_maximum; |
255 | field->physical_minimum = parser->global.physical_minimum; |
256 | field->physical_maximum = parser->global.physical_maximum; |
257 | field->unit_exponent = parser->global.unit_exponent; |
258 | field->unit = parser->global.unit; |
259 | |
260 | return 0; |
261 | } |
262 | |
263 | /* |
264 | * Read data value from item. |
265 | */ |
266 | |
267 | static u32 item_udata(struct hid_item *item) |
268 | { |
269 | switch (item->size) { |
270 | case 1: return item->data.u8; |
271 | case 2: return item->data.u16; |
272 | case 4: return item->data.u32; |
273 | } |
274 | return 0; |
275 | } |
276 | |
277 | static s32 item_sdata(struct hid_item *item) |
278 | { |
279 | switch (item->size) { |
280 | case 1: return item->data.s8; |
281 | case 2: return item->data.s16; |
282 | case 4: return item->data.s32; |
283 | } |
284 | return 0; |
285 | } |
286 | |
287 | /* |
288 | * Process a global item. |
289 | */ |
290 | |
291 | static int hid_parser_global(struct hid_parser *parser, struct hid_item *item) |
292 | { |
293 | switch (item->tag) { |
294 | case HID_GLOBAL_ITEM_TAG_PUSH: |
295 | |
296 | if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) { |
297 | dbg_hid("global enviroment stack overflow\n"); |
298 | return -1; |
299 | } |
300 | |
301 | memcpy(parser->global_stack + parser->global_stack_ptr++, |
302 | &parser->global, sizeof(struct hid_global)); |
303 | return 0; |
304 | |
305 | case HID_GLOBAL_ITEM_TAG_POP: |
306 | |
307 | if (!parser->global_stack_ptr) { |
308 | dbg_hid("global enviroment stack underflow\n"); |
309 | return -1; |
310 | } |
311 | |
312 | memcpy(&parser->global, parser->global_stack + |
313 | --parser->global_stack_ptr, sizeof(struct hid_global)); |
314 | return 0; |
315 | |
316 | case HID_GLOBAL_ITEM_TAG_USAGE_PAGE: |
317 | parser->global.usage_page = item_udata(item); |
318 | return 0; |
319 | |
320 | case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM: |
321 | parser->global.logical_minimum = item_sdata(item); |
322 | return 0; |
323 | |
324 | case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM: |
325 | if (parser->global.logical_minimum < 0) |
326 | parser->global.logical_maximum = item_sdata(item); |
327 | else |
328 | parser->global.logical_maximum = item_udata(item); |
329 | return 0; |
330 | |
331 | case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM: |
332 | parser->global.physical_minimum = item_sdata(item); |
333 | return 0; |
334 | |
335 | case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM: |
336 | if (parser->global.physical_minimum < 0) |
337 | parser->global.physical_maximum = item_sdata(item); |
338 | else |
339 | parser->global.physical_maximum = item_udata(item); |
340 | return 0; |
341 | |
342 | case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT: |
343 | parser->global.unit_exponent = item_sdata(item); |
344 | return 0; |
345 | |
346 | case HID_GLOBAL_ITEM_TAG_UNIT: |
347 | parser->global.unit = item_udata(item); |
348 | return 0; |
349 | |
350 | case HID_GLOBAL_ITEM_TAG_REPORT_SIZE: |
351 | parser->global.report_size = item_udata(item); |
352 | if (parser->global.report_size > 32) { |
353 | dbg_hid("invalid report_size %d\n", |
354 | parser->global.report_size); |
355 | return -1; |
356 | } |
357 | return 0; |
358 | |
359 | case HID_GLOBAL_ITEM_TAG_REPORT_COUNT: |
360 | parser->global.report_count = item_udata(item); |
361 | if (parser->global.report_count > HID_MAX_USAGES) { |
362 | dbg_hid("invalid report_count %d\n", |
363 | parser->global.report_count); |
364 | return -1; |
365 | } |
366 | return 0; |
367 | |
368 | case HID_GLOBAL_ITEM_TAG_REPORT_ID: |
369 | parser->global.report_id = item_udata(item); |
370 | if (parser->global.report_id == 0) { |
371 | dbg_hid("report_id 0 is invalid\n"); |
372 | return -1; |
373 | } |
374 | return 0; |
375 | |
376 | default: |
377 | dbg_hid("unknown global tag 0x%x\n", item->tag); |
378 | return -1; |
379 | } |
380 | } |
381 | |
382 | /* |
383 | * Process a local item. |
384 | */ |
385 | |
386 | static int hid_parser_local(struct hid_parser *parser, struct hid_item *item) |
387 | { |
388 | __u32 data; |
389 | unsigned n; |
390 | |
391 | /* Local delimiter could have value 0, which allows size to be 0 */ |
392 | if (item->size == 0 && item->tag != HID_LOCAL_ITEM_TAG_DELIMITER) { |
393 | dbg_hid("item data expected for local item\n"); |
394 | return -1; |
395 | } |
396 | |
397 | data = item_udata(item); |
398 | |
399 | switch (item->tag) { |
400 | case HID_LOCAL_ITEM_TAG_DELIMITER: |
401 | |
402 | if (data) { |
403 | /* |
404 | * We treat items before the first delimiter |
405 | * as global to all usage sets (branch 0). |
406 | * In the moment we process only these global |
407 | * items and the first delimiter set. |
408 | */ |
409 | if (parser->local.delimiter_depth != 0) { |
410 | dbg_hid("nested delimiters\n"); |
411 | return -1; |
412 | } |
413 | parser->local.delimiter_depth++; |
414 | parser->local.delimiter_branch++; |
415 | } else { |
416 | if (parser->local.delimiter_depth < 1) { |
417 | dbg_hid("bogus close delimiter\n"); |
418 | return -1; |
419 | } |
420 | parser->local.delimiter_depth--; |
421 | } |
422 | return 1; |
423 | |
424 | case HID_LOCAL_ITEM_TAG_USAGE: |
425 | |
426 | if (parser->local.delimiter_branch > 1) { |
427 | dbg_hid("alternative usage ignored\n"); |
428 | return 0; |
429 | } |
430 | |
431 | if (item->size <= 2) |
432 | data = (parser->global.usage_page << 16) + data; |
433 | |
434 | return hid_add_usage(parser, data); |
435 | |
436 | case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM: |
437 | |
438 | if (parser->local.delimiter_branch > 1) { |
439 | dbg_hid("alternative usage ignored\n"); |
440 | return 0; |
441 | } |
442 | |
443 | if (item->size <= 2) |
444 | data = (parser->global.usage_page << 16) + data; |
445 | |
446 | parser->local.usage_minimum = data; |
447 | return 0; |
448 | |
449 | case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM: |
450 | |
451 | if (parser->local.delimiter_branch > 1) { |
452 | dbg_hid("alternative usage ignored\n"); |
453 | return 0; |
454 | } |
455 | |
456 | if (item->size <= 2) |
457 | data = (parser->global.usage_page << 16) + data; |
458 | |
459 | for (n = parser->local.usage_minimum; n <= data; n++) |
460 | if (hid_add_usage(parser, n)) { |
461 | dbg_hid("hid_add_usage failed\n"); |
462 | return -1; |
463 | } |
464 | return 0; |
465 | |
466 | default: |
467 | |
468 | dbg_hid("unknown local item tag 0x%x\n", item->tag); |
469 | return 0; |
470 | } |
471 | return 0; |
472 | } |
473 | |
474 | /* |
475 | * Process a main item. |
476 | */ |
477 | |
478 | static int hid_parser_main(struct hid_parser *parser, struct hid_item *item) |
479 | { |
480 | __u32 data; |
481 | int ret; |
482 | |
483 | data = item_udata(item); |
484 | |
485 | switch (item->tag) { |
486 | case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION: |
487 | ret = open_collection(parser, data & 0xff); |
488 | break; |
489 | case HID_MAIN_ITEM_TAG_END_COLLECTION: |
490 | ret = close_collection(parser); |
491 | break; |
492 | case HID_MAIN_ITEM_TAG_INPUT: |
493 | ret = hid_add_field(parser, HID_INPUT_REPORT, data); |
494 | break; |
495 | case HID_MAIN_ITEM_TAG_OUTPUT: |
496 | ret = hid_add_field(parser, HID_OUTPUT_REPORT, data); |
497 | break; |
498 | case HID_MAIN_ITEM_TAG_FEATURE: |
499 | ret = hid_add_field(parser, HID_FEATURE_REPORT, data); |
500 | break; |
501 | default: |
502 | dbg_hid("unknown main item tag 0x%x\n", item->tag); |
503 | ret = 0; |
504 | } |
505 | |
506 | memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */ |
507 | |
508 | return ret; |
509 | } |
510 | |
511 | /* |
512 | * Process a reserved item. |
513 | */ |
514 | |
515 | static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item) |
516 | { |
517 | dbg_hid("reserved item type, tag 0x%x\n", item->tag); |
518 | return 0; |
519 | } |
520 | |
521 | /* |
522 | * Free a report and all registered fields. The field->usage and |
523 | * field->value table's are allocated behind the field, so we need |
524 | * only to free(field) itself. |
525 | */ |
526 | |
527 | static void hid_free_report(struct hid_report *report) |
528 | { |
529 | unsigned n; |
530 | |
531 | for (n = 0; n < report->maxfield; n++) |
532 | kfree(report->field[n]); |
533 | kfree(report); |
534 | } |
535 | |
536 | /* |
537 | * Free a device structure, all reports, and all fields. |
538 | */ |
539 | |
540 | static void hid_device_release(struct device *dev) |
541 | { |
542 | struct hid_device *device = container_of(dev, struct hid_device, dev); |
543 | unsigned i, j; |
544 | |
545 | for (i = 0; i < HID_REPORT_TYPES; i++) { |
546 | struct hid_report_enum *report_enum = device->report_enum + i; |
547 | |
548 | for (j = 0; j < 256; j++) { |
549 | struct hid_report *report = report_enum->report_id_hash[j]; |
550 | if (report) |
551 | hid_free_report(report); |
552 | } |
553 | } |
554 | |
555 | kfree(device->rdesc); |
556 | kfree(device->collection); |
557 | kfree(device); |
558 | } |
559 | |
560 | /* |
561 | * Fetch a report description item from the data stream. We support long |
562 | * items, though they are not used yet. |
563 | */ |
564 | |
565 | static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item) |
566 | { |
567 | u8 b; |
568 | |
569 | if ((end - start) <= 0) |
570 | return NULL; |
571 | |
572 | b = *start++; |
573 | |
574 | item->type = (b >> 2) & 3; |
575 | item->tag = (b >> 4) & 15; |
576 | |
577 | if (item->tag == HID_ITEM_TAG_LONG) { |
578 | |
579 | item->format = HID_ITEM_FORMAT_LONG; |
580 | |
581 | if ((end - start) < 2) |
582 | return NULL; |
583 | |
584 | item->size = *start++; |
585 | item->tag = *start++; |
586 | |
587 | if ((end - start) < item->size) |
588 | return NULL; |
589 | |
590 | item->data.longdata = start; |
591 | start += item->size; |
592 | return start; |
593 | } |
594 | |
595 | item->format = HID_ITEM_FORMAT_SHORT; |
596 | item->size = b & 3; |
597 | |
598 | switch (item->size) { |
599 | case 0: |
600 | return start; |
601 | |
602 | case 1: |
603 | if ((end - start) < 1) |
604 | return NULL; |
605 | item->data.u8 = *start++; |
606 | return start; |
607 | |
608 | case 2: |
609 | if ((end - start) < 2) |
610 | return NULL; |
611 | item->data.u16 = get_unaligned_le16(start); |
612 | start = (__u8 *)((__le16 *)start + 1); |
613 | return start; |
614 | |
615 | case 3: |
616 | item->size++; |
617 | if ((end - start) < 4) |
618 | return NULL; |
619 | item->data.u32 = get_unaligned_le32(start); |
620 | start = (__u8 *)((__le32 *)start + 1); |
621 | return start; |
622 | } |
623 | |
624 | return NULL; |
625 | } |
626 | |
627 | /** |
628 | * hid_parse_report - parse device report |
629 | * |
630 | * @device: hid device |
631 | * @start: report start |
632 | * @size: report size |
633 | * |
634 | * Parse a report description into a hid_device structure. Reports are |
635 | * enumerated, fields are attached to these reports. |
636 | * 0 returned on success, otherwise nonzero error value. |
637 | */ |
638 | int hid_parse_report(struct hid_device *device, __u8 *start, |
639 | unsigned size) |
640 | { |
641 | struct hid_parser *parser; |
642 | struct hid_item item; |
643 | __u8 *end; |
644 | int ret; |
645 | static int (*dispatch_type[])(struct hid_parser *parser, |
646 | struct hid_item *item) = { |
647 | hid_parser_main, |
648 | hid_parser_global, |
649 | hid_parser_local, |
650 | hid_parser_reserved |
651 | }; |
652 | |
653 | if (device->driver->report_fixup) |
654 | device->driver->report_fixup(device, start, size); |
655 | |
656 | device->rdesc = kmalloc(size, GFP_KERNEL); |
657 | if (device->rdesc == NULL) |
658 | return -ENOMEM; |
659 | memcpy(device->rdesc, start, size); |
660 | device->rsize = size; |
661 | |
662 | parser = vmalloc(sizeof(struct hid_parser)); |
663 | if (!parser) { |
664 | ret = -ENOMEM; |
665 | goto err; |
666 | } |
667 | |
668 | memset(parser, 0, sizeof(struct hid_parser)); |
669 | parser->device = device; |
670 | |
671 | end = start + size; |
672 | ret = -EINVAL; |
673 | while ((start = fetch_item(start, end, &item)) != NULL) { |
674 | |
675 | if (item.format != HID_ITEM_FORMAT_SHORT) { |
676 | dbg_hid("unexpected long global item\n"); |
677 | goto err; |
678 | } |
679 | |
680 | if (dispatch_type[item.type](parser, &item)) { |
681 | dbg_hid("item %u %u %u %u parsing failed\n", |
682 | item.format, (unsigned)item.size, (unsigned)item.type, (unsigned)item.tag); |
683 | goto err; |
684 | } |
685 | |
686 | if (start == end) { |
687 | if (parser->collection_stack_ptr) { |
688 | dbg_hid("unbalanced collection at end of report description\n"); |
689 | goto err; |
690 | } |
691 | if (parser->local.delimiter_depth) { |
692 | dbg_hid("unbalanced delimiter at end of report description\n"); |
693 | goto err; |
694 | } |
695 | vfree(parser); |
696 | return 0; |
697 | } |
698 | } |
699 | |
700 | dbg_hid("item fetching failed at offset %d\n", (int)(end - start)); |
701 | err: |
702 | vfree(parser); |
703 | return ret; |
704 | } |
705 | EXPORT_SYMBOL_GPL(hid_parse_report); |
706 | |
707 | /* |
708 | * Convert a signed n-bit integer to signed 32-bit integer. Common |
709 | * cases are done through the compiler, the screwed things has to be |
710 | * done by hand. |
711 | */ |
712 | |
713 | static s32 snto32(__u32 value, unsigned n) |
714 | { |
715 | switch (n) { |
716 | case 8: return ((__s8)value); |
717 | case 16: return ((__s16)value); |
718 | case 32: return ((__s32)value); |
719 | } |
720 | return value & (1 << (n - 1)) ? value | (-1 << n) : value; |
721 | } |
722 | |
723 | /* |
724 | * Convert a signed 32-bit integer to a signed n-bit integer. |
725 | */ |
726 | |
727 | static u32 s32ton(__s32 value, unsigned n) |
728 | { |
729 | s32 a = value >> (n - 1); |
730 | if (a && a != -1) |
731 | return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1; |
732 | return value & ((1 << n) - 1); |
733 | } |
734 | |
735 | /* |
736 | * Extract/implement a data field from/to a little endian report (bit array). |
737 | * |
738 | * Code sort-of follows HID spec: |
739 | * http://www.usb.org/developers/devclass_docs/HID1_11.pdf |
740 | * |
741 | * While the USB HID spec allows unlimited length bit fields in "report |
742 | * descriptors", most devices never use more than 16 bits. |
743 | * One model of UPS is claimed to report "LINEV" as a 32-bit field. |
744 | * Search linux-kernel and linux-usb-devel archives for "hid-core extract". |
745 | */ |
746 | |
747 | static __inline__ __u32 extract(__u8 *report, unsigned offset, unsigned n) |
748 | { |
749 | u64 x; |
750 | |
751 | if (n > 32) |
752 | printk(KERN_WARNING "HID: extract() called with n (%d) > 32! (%s)\n", |
753 | n, current->comm); |
754 | |
755 | report += offset >> 3; /* adjust byte index */ |
756 | offset &= 7; /* now only need bit offset into one byte */ |
757 | x = get_unaligned_le64(report); |
758 | x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */ |
759 | return (u32) x; |
760 | } |
761 | |
762 | /* |
763 | * "implement" : set bits in a little endian bit stream. |
764 | * Same concepts as "extract" (see comments above). |
765 | * The data mangled in the bit stream remains in little endian |
766 | * order the whole time. It make more sense to talk about |
767 | * endianness of register values by considering a register |
768 | * a "cached" copy of the little endiad bit stream. |
769 | */ |
770 | static __inline__ void implement(__u8 *report, unsigned offset, unsigned n, __u32 value) |
771 | { |
772 | u64 x; |
773 | u64 m = (1ULL << n) - 1; |
774 | |
775 | if (n > 32) |
776 | printk(KERN_WARNING "HID: implement() called with n (%d) > 32! (%s)\n", |
777 | n, current->comm); |
778 | |
779 | if (value > m) |
780 | printk(KERN_WARNING "HID: implement() called with too large value %d! (%s)\n", |
781 | value, current->comm); |
782 | WARN_ON(value > m); |
783 | value &= m; |
784 | |
785 | report += offset >> 3; |
786 | offset &= 7; |
787 | |
788 | x = get_unaligned_le64(report); |
789 | x &= ~(m << offset); |
790 | x |= ((u64)value) << offset; |
791 | put_unaligned_le64(x, report); |
792 | } |
793 | |
794 | /* |
795 | * Search an array for a value. |
796 | */ |
797 | |
798 | static __inline__ int search(__s32 *array, __s32 value, unsigned n) |
799 | { |
800 | while (n--) { |
801 | if (*array++ == value) |
802 | return 0; |
803 | } |
804 | return -1; |
805 | } |
806 | |
807 | /** |
808 | * hid_match_report - check if driver's raw_event should be called |
809 | * |
810 | * @hid: hid device |
811 | * @report_type: type to match against |
812 | * |
813 | * compare hid->driver->report_table->report_type to report->type |
814 | */ |
815 | static int hid_match_report(struct hid_device *hid, struct hid_report *report) |
816 | { |
817 | const struct hid_report_id *id = hid->driver->report_table; |
818 | |
819 | if (!id) /* NULL means all */ |
820 | return 1; |
821 | |
822 | for (; id->report_type != HID_TERMINATOR; id++) |
823 | if (id->report_type == HID_ANY_ID || |
824 | id->report_type == report->type) |
825 | return 1; |
826 | return 0; |
827 | } |
828 | |
829 | /** |
830 | * hid_match_usage - check if driver's event should be called |
831 | * |
832 | * @hid: hid device |
833 | * @usage: usage to match against |
834 | * |
835 | * compare hid->driver->usage_table->usage_{type,code} to |
836 | * usage->usage_{type,code} |
837 | */ |
838 | static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage) |
839 | { |
840 | const struct hid_usage_id *id = hid->driver->usage_table; |
841 | |
842 | if (!id) /* NULL means all */ |
843 | return 1; |
844 | |
845 | for (; id->usage_type != HID_ANY_ID - 1; id++) |
846 | if ((id->usage_hid == HID_ANY_ID || |
847 | id->usage_hid == usage->hid) && |
848 | (id->usage_type == HID_ANY_ID || |
849 | id->usage_type == usage->type) && |
850 | (id->usage_code == HID_ANY_ID || |
851 | id->usage_code == usage->code)) |
852 | return 1; |
853 | return 0; |
854 | } |
855 | |
856 | static void hid_process_event(struct hid_device *hid, struct hid_field *field, |
857 | struct hid_usage *usage, __s32 value, int interrupt) |
858 | { |
859 | struct hid_driver *hdrv = hid->driver; |
860 | int ret; |
861 | |
862 | hid_dump_input(hid, usage, value); |
863 | |
864 | if (hdrv && hdrv->event && hid_match_usage(hid, usage)) { |
865 | ret = hdrv->event(hid, field, usage, value); |
866 | if (ret != 0) { |
867 | if (ret < 0) |
868 | dbg_hid("%s's event failed with %d\n", |
869 | hdrv->name, ret); |
870 | return; |
871 | } |
872 | } |
873 | |
874 | if (hid->claimed & HID_CLAIMED_INPUT) |
875 | hidinput_hid_event(hid, field, usage, value); |
876 | if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event) |
877 | hid->hiddev_hid_event(hid, field, usage, value); |
878 | } |
879 | |
880 | /* |
881 | * Analyse a received field, and fetch the data from it. The field |
882 | * content is stored for next report processing (we do differential |
883 | * reporting to the layer). |
884 | */ |
885 | |
886 | static void hid_input_field(struct hid_device *hid, struct hid_field *field, |
887 | __u8 *data, int interrupt) |
888 | { |
889 | unsigned n; |
890 | unsigned count = field->report_count; |
891 | unsigned offset = field->report_offset; |
892 | unsigned size = field->report_size; |
893 | __s32 min = field->logical_minimum; |
894 | __s32 max = field->logical_maximum; |
895 | __s32 *value; |
896 | |
897 | if (!(value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC))) |
898 | return; |
899 | |
900 | for (n = 0; n < count; n++) { |
901 | |
902 | value[n] = min < 0 ? snto32(extract(data, offset + n * size, size), size) : |
903 | extract(data, offset + n * size, size); |
904 | |
905 | if (!(field->flags & HID_MAIN_ITEM_VARIABLE) /* Ignore report if ErrorRollOver */ |
906 | && value[n] >= min && value[n] <= max |
907 | && field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1) |
908 | goto exit; |
909 | } |
910 | |
911 | for (n = 0; n < count; n++) { |
912 | |
913 | if (HID_MAIN_ITEM_VARIABLE & field->flags) { |
914 | hid_process_event(hid, field, &field->usage[n], value[n], interrupt); |
915 | continue; |
916 | } |
917 | |
918 | if (field->value[n] >= min && field->value[n] <= max |
919 | && field->usage[field->value[n] - min].hid |
920 | && search(value, field->value[n], count)) |
921 | hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt); |
922 | |
923 | if (value[n] >= min && value[n] <= max |
924 | && field->usage[value[n] - min].hid |
925 | && search(field->value, value[n], count)) |
926 | hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt); |
927 | } |
928 | |
929 | memcpy(field->value, value, count * sizeof(__s32)); |
930 | exit: |
931 | kfree(value); |
932 | } |
933 | |
934 | /* |
935 | * Output the field into the report. |
936 | */ |
937 | |
938 | static void hid_output_field(struct hid_field *field, __u8 *data) |
939 | { |
940 | unsigned count = field->report_count; |
941 | unsigned offset = field->report_offset; |
942 | unsigned size = field->report_size; |
943 | unsigned bitsused = offset + count * size; |
944 | unsigned n; |
945 | |
946 | /* make sure the unused bits in the last byte are zeros */ |
947 | if (count > 0 && size > 0 && (bitsused % 8) != 0) |
948 | data[(bitsused-1)/8] &= (1 << (bitsused % 8)) - 1; |
949 | |
950 | for (n = 0; n < count; n++) { |
951 | if (field->logical_minimum < 0) /* signed values */ |
952 | implement(data, offset + n * size, size, s32ton(field->value[n], size)); |
953 | else /* unsigned values */ |
954 | implement(data, offset + n * size, size, field->value[n]); |
955 | } |
956 | } |
957 | |
958 | /* |
959 | * Create a report. |
960 | */ |
961 | |
962 | void hid_output_report(struct hid_report *report, __u8 *data) |
963 | { |
964 | unsigned n; |
965 | |
966 | if (report->id > 0) |
967 | *data++ = report->id; |
968 | |
969 | for (n = 0; n < report->maxfield; n++) |
970 | hid_output_field(report->field[n], data); |
971 | } |
972 | EXPORT_SYMBOL_GPL(hid_output_report); |
973 | |
974 | /* |
975 | * Set a field value. The report this field belongs to has to be |
976 | * created and transferred to the device, to set this value in the |
977 | * device. |
978 | */ |
979 | |
980 | int hid_set_field(struct hid_field *field, unsigned offset, __s32 value) |
981 | { |
982 | unsigned size = field->report_size; |
983 | |
984 | hid_dump_input(field->report->device, field->usage + offset, value); |
985 | |
986 | if (offset >= field->report_count) { |
987 | dbg_hid("offset (%d) exceeds report_count (%d)\n", offset, field->report_count); |
988 | return -1; |
989 | } |
990 | if (field->logical_minimum < 0) { |
991 | if (value != snto32(s32ton(value, size), size)) { |
992 | dbg_hid("value %d is out of range\n", value); |
993 | return -1; |
994 | } |
995 | } |
996 | field->value[offset] = value; |
997 | return 0; |
998 | } |
999 | EXPORT_SYMBOL_GPL(hid_set_field); |
1000 | |
1001 | static struct hid_report *hid_get_report(struct hid_report_enum *report_enum, |
1002 | const u8 *data) |
1003 | { |
1004 | struct hid_report *report; |
1005 | unsigned int n = 0; /* Normally report number is 0 */ |
1006 | |
1007 | /* Device uses numbered reports, data[0] is report number */ |
1008 | if (report_enum->numbered) |
1009 | n = *data; |
1010 | |
1011 | report = report_enum->report_id_hash[n]; |
1012 | if (report == NULL) |
1013 | dbg_hid("undefined report_id %u received\n", n); |
1014 | |
1015 | return report; |
1016 | } |
1017 | |
1018 | void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, |
1019 | int interrupt) |
1020 | { |
1021 | struct hid_report_enum *report_enum = hid->report_enum + type; |
1022 | struct hid_report *report; |
1023 | unsigned int a; |
1024 | int rsize, csize = size; |
1025 | u8 *cdata = data; |
1026 | |
1027 | report = hid_get_report(report_enum, data); |
1028 | if (!report) |
1029 | return; |
1030 | |
1031 | if (report_enum->numbered) { |
1032 | cdata++; |
1033 | csize--; |
1034 | } |
1035 | |
1036 | rsize = ((report->size - 1) >> 3) + 1; |
1037 | |
1038 | if (csize < rsize) { |
1039 | dbg_hid("report %d is too short, (%d < %d)\n", report->id, |
1040 | csize, rsize); |
1041 | memset(cdata + csize, 0, rsize - csize); |
1042 | } |
1043 | |
1044 | if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event) |
1045 | hid->hiddev_report_event(hid, report); |
1046 | if (hid->claimed & HID_CLAIMED_HIDRAW) |
1047 | hidraw_report_event(hid, data, size); |
1048 | |
1049 | for (a = 0; a < report->maxfield; a++) |
1050 | hid_input_field(hid, report->field[a], cdata, interrupt); |
1051 | |
1052 | if (hid->claimed & HID_CLAIMED_INPUT) |
1053 | hidinput_report_event(hid, report); |
1054 | } |
1055 | EXPORT_SYMBOL_GPL(hid_report_raw_event); |
1056 | |
1057 | /** |
1058 | * hid_input_report - report data from lower layer (usb, bt...) |
1059 | * |
1060 | * @hid: hid device |
1061 | * @type: HID report type (HID_*_REPORT) |
1062 | * @data: report contents |
1063 | * @size: size of data parameter |
1064 | * @interrupt: distinguish between interrupt and control transfers |
1065 | * |
1066 | * This is data entry for lower layers. |
1067 | */ |
1068 | int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt) |
1069 | { |
1070 | struct hid_report_enum *report_enum; |
1071 | struct hid_driver *hdrv; |
1072 | struct hid_report *report; |
1073 | char *buf; |
1074 | unsigned int i; |
1075 | int ret; |
1076 | |
1077 | if (!hid || !hid->driver) |
1078 | return -ENODEV; |
1079 | report_enum = hid->report_enum + type; |
1080 | hdrv = hid->driver; |
1081 | |
1082 | if (!size) { |
1083 | dbg_hid("empty report\n"); |
1084 | return -1; |
1085 | } |
1086 | |
1087 | buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC); |
1088 | |
1089 | if (!buf) { |
1090 | report = hid_get_report(report_enum, data); |
1091 | goto nomem; |
1092 | } |
1093 | |
1094 | snprintf(buf, HID_DEBUG_BUFSIZE - 1, |
1095 | "\nreport (size %u) (%snumbered)\n", size, report_enum->numbered ? "" : "un"); |
1096 | hid_debug_event(hid, buf); |
1097 | |
1098 | report = hid_get_report(report_enum, data); |
1099 | if (!report) { |
1100 | kfree(buf); |
1101 | return -1; |
1102 | } |
1103 | |
1104 | /* dump the report */ |
1105 | snprintf(buf, HID_DEBUG_BUFSIZE - 1, |
1106 | "report %d (size %u) = ", report->id, size); |
1107 | hid_debug_event(hid, buf); |
1108 | for (i = 0; i < size; i++) { |
1109 | snprintf(buf, HID_DEBUG_BUFSIZE - 1, |
1110 | " %02x", data[i]); |
1111 | hid_debug_event(hid, buf); |
1112 | } |
1113 | hid_debug_event(hid, "\n"); |
1114 | |
1115 | kfree(buf); |
1116 | |
1117 | nomem: |
1118 | if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) { |
1119 | ret = hdrv->raw_event(hid, report, data, size); |
1120 | if (ret != 0) |
1121 | return ret < 0 ? ret : 0; |
1122 | } |
1123 | |
1124 | hid_report_raw_event(hid, type, data, size, interrupt); |
1125 | |
1126 | return 0; |
1127 | } |
1128 | EXPORT_SYMBOL_GPL(hid_input_report); |
1129 | |
1130 | static bool hid_match_one_id(struct hid_device *hdev, |
1131 | const struct hid_device_id *id) |
1132 | { |
1133 | return id->bus == hdev->bus && |
1134 | (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) && |
1135 | (id->product == HID_ANY_ID || id->product == hdev->product); |
1136 | } |
1137 | |
1138 | static const struct hid_device_id *hid_match_id(struct hid_device *hdev, |
1139 | const struct hid_device_id *id) |
1140 | { |
1141 | for (; id->bus; id++) |
1142 | if (hid_match_one_id(hdev, id)) |
1143 | return id; |
1144 | |
1145 | return NULL; |
1146 | } |
1147 | |
1148 | static const struct hid_device_id hid_hiddev_list[] = { |
1149 | { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) }, |
1150 | { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) }, |
1151 | { } |
1152 | }; |
1153 | |
1154 | static bool hid_hiddev(struct hid_device *hdev) |
1155 | { |
1156 | return !!hid_match_id(hdev, hid_hiddev_list); |
1157 | } |
1158 | |
1159 | int hid_connect(struct hid_device *hdev, unsigned int connect_mask) |
1160 | { |
1161 | static const char *types[] = { "Device", "Pointer", "Mouse", "Device", |
1162 | "Joystick", "Gamepad", "Keyboard", "Keypad", |
1163 | "Multi-Axis Controller" |
1164 | }; |
1165 | const char *type, *bus; |
1166 | char buf[64]; |
1167 | unsigned int i; |
1168 | int len; |
1169 | |
1170 | if (hdev->bus != BUS_USB) |
1171 | connect_mask &= ~HID_CONNECT_HIDDEV; |
1172 | if (hid_hiddev(hdev)) |
1173 | connect_mask |= HID_CONNECT_HIDDEV_FORCE; |
1174 | |
1175 | if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev, |
1176 | connect_mask & HID_CONNECT_HIDINPUT_FORCE)) |
1177 | hdev->claimed |= HID_CLAIMED_INPUT; |
1178 | if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect && |
1179 | !hdev->hiddev_connect(hdev, |
1180 | connect_mask & HID_CONNECT_HIDDEV_FORCE)) |
1181 | hdev->claimed |= HID_CLAIMED_HIDDEV; |
1182 | if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev)) |
1183 | hdev->claimed |= HID_CLAIMED_HIDRAW; |
1184 | |
1185 | if (!hdev->claimed) { |
1186 | dev_err(&hdev->dev, "claimed by neither input, hiddev nor " |
1187 | "hidraw\n"); |
1188 | return -ENODEV; |
1189 | } |
1190 | |
1191 | if ((hdev->claimed & HID_CLAIMED_INPUT) && |
1192 | (connect_mask & HID_CONNECT_FF) && hdev->ff_init) |
1193 | hdev->ff_init(hdev); |
1194 | |
1195 | len = 0; |
1196 | if (hdev->claimed & HID_CLAIMED_INPUT) |
1197 | len += sprintf(buf + len, "input"); |
1198 | if (hdev->claimed & HID_CLAIMED_HIDDEV) |
1199 | len += sprintf(buf + len, "%shiddev%d", len ? "," : "", |
1200 | hdev->minor); |
1201 | if (hdev->claimed & HID_CLAIMED_HIDRAW) |
1202 | len += sprintf(buf + len, "%shidraw%d", len ? "," : "", |
1203 | ((struct hidraw *)hdev->hidraw)->minor); |
1204 | |
1205 | type = "Device"; |
1206 | for (i = 0; i < hdev->maxcollection; i++) { |
1207 | struct hid_collection *col = &hdev->collection[i]; |
1208 | if (col->type == HID_COLLECTION_APPLICATION && |
1209 | (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK && |
1210 | (col->usage & 0xffff) < ARRAY_SIZE(types)) { |
1211 | type = types[col->usage & 0xffff]; |
1212 | break; |
1213 | } |
1214 | } |
1215 | |
1216 | switch (hdev->bus) { |
1217 | case BUS_USB: |
1218 | bus = "USB"; |
1219 | break; |
1220 | case BUS_BLUETOOTH: |
1221 | bus = "BLUETOOTH"; |
1222 | break; |
1223 | default: |
1224 | bus = "<UNKNOWN>"; |
1225 | } |
1226 | |
1227 | dev_info(&hdev->dev, "%s: %s HID v%x.%02x %s [%s] on %s\n", |
1228 | buf, bus, hdev->version >> 8, hdev->version & 0xff, |
1229 | type, hdev->name, hdev->phys); |
1230 | |
1231 | return 0; |
1232 | } |
1233 | EXPORT_SYMBOL_GPL(hid_connect); |
1234 | |
1235 | void hid_disconnect(struct hid_device *hdev) |
1236 | { |
1237 | if (hdev->claimed & HID_CLAIMED_INPUT) |
1238 | hidinput_disconnect(hdev); |
1239 | if (hdev->claimed & HID_CLAIMED_HIDDEV) |
1240 | hdev->hiddev_disconnect(hdev); |
1241 | if (hdev->claimed & HID_CLAIMED_HIDRAW) |
1242 | hidraw_disconnect(hdev); |
1243 | } |
1244 | EXPORT_SYMBOL_GPL(hid_disconnect); |
1245 | |
1246 | /* a list of devices for which there is a specialized driver on HID bus */ |
1247 | static const struct hid_device_id hid_blacklist[] = { |
1248 | { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M1968) }, |
1249 | { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) }, |
1250 | { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) }, |
1251 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) }, |
1252 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) }, |
1253 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) }, |
1254 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) }, |
1255 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, |
1256 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, |
1257 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, |
1258 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, |
1259 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, |
1260 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, |
1261 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, |
1262 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, |
1263 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, |
1264 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, |
1265 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, |
1266 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) }, |
1267 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) }, |
1268 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) }, |
1269 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) }, |
1270 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) }, |
1271 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) }, |
1272 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, |
1273 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, |
1274 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, |
1275 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) }, |
1276 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) }, |
1277 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) }, |
1278 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, |
1279 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, |
1280 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, |
1281 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, |
1282 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, |
1283 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, |
1284 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, |
1285 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, |
1286 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, |
1287 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) }, |
1288 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) }, |
1289 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) }, |
1290 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, |
1291 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, |
1292 | { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) }, |
1293 | { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, |
1294 | { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) }, |
1295 | { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, |
1296 | { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, |
1297 | { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, |
1298 | { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) }, |
1299 | { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, |
1300 | { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) }, |
1301 | { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, |
1302 | { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) }, |
1303 | { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) }, |
1304 | { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) }, |
1305 | { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) }, |
1306 | { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, |
1307 | { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, |
1308 | { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) }, |
1309 | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) }, |
1310 | { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, |
1311 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, |
1312 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, |
1313 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) }, |
1314 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) }, |
1315 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) }, |
1316 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) }, |
1317 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) }, |
1318 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) }, |
1319 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) }, |
1320 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) }, |
1321 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) }, |
1322 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) }, |
1323 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) }, |
1324 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) }, |
1325 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) }, |
1326 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) }, |
1327 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) }, |
1328 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) }, |
1329 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) }, |
1330 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) }, |
1331 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) }, |
1332 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) }, |
1333 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) }, |
1334 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) }, |
1335 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) }, |
1336 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) }, |
1337 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, |
1338 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, |
1339 | { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, |
1340 | { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) }, |
1341 | { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, |
1342 | { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, |
1343 | { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) }, |
1344 | { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) }, |
1345 | { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, |
1346 | { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, |
1347 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, |
1348 | { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) }, |
1349 | { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM, USB_DEVICE_ID_MTP) }, |
1350 | { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, |
1351 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) }, |
1352 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) }, |
1353 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) }, |
1354 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) }, |
1355 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) }, |
1356 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) }, |
1357 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) }, |
1358 | { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) }, |
1359 | { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) }, |
1360 | { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, |
1361 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) }, |
1362 | { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) }, |
1363 | { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) }, |
1364 | |
1365 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) }, |
1366 | { } |
1367 | }; |
1368 | |
1369 | struct hid_dynid { |
1370 | struct list_head list; |
1371 | struct hid_device_id id; |
1372 | }; |
1373 | |
1374 | /** |
1375 | * store_new_id - add a new HID device ID to this driver and re-probe devices |
1376 | * @driver: target device driver |
1377 | * @buf: buffer for scanning device ID data |
1378 | * @count: input size |
1379 | * |
1380 | * Adds a new dynamic hid device ID to this driver, |
1381 | * and causes the driver to probe for all devices again. |
1382 | */ |
1383 | static ssize_t store_new_id(struct device_driver *drv, const char *buf, |
1384 | size_t count) |
1385 | { |
1386 | struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); |
1387 | struct hid_dynid *dynid; |
1388 | __u32 bus, vendor, product; |
1389 | unsigned long driver_data = 0; |
1390 | int ret; |
1391 | |
1392 | ret = sscanf(buf, "%x %x %x %lx", |
1393 | &bus, &vendor, &product, &driver_data); |
1394 | if (ret < 3) |
1395 | return -EINVAL; |
1396 | |
1397 | dynid = kzalloc(sizeof(*dynid), GFP_KERNEL); |
1398 | if (!dynid) |
1399 | return -ENOMEM; |
1400 | |
1401 | dynid->id.bus = bus; |
1402 | dynid->id.vendor = vendor; |
1403 | dynid->id.product = product; |
1404 | dynid->id.driver_data = driver_data; |
1405 | |
1406 | spin_lock(&hdrv->dyn_lock); |
1407 | list_add_tail(&dynid->list, &hdrv->dyn_list); |
1408 | spin_unlock(&hdrv->dyn_lock); |
1409 | |
1410 | ret = 0; |
1411 | if (get_driver(&hdrv->driver)) { |
1412 | ret = driver_attach(&hdrv->driver); |
1413 | put_driver(&hdrv->driver); |
1414 | } |
1415 | |
1416 | return ret ? : count; |
1417 | } |
1418 | static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id); |
1419 | |
1420 | static void hid_free_dynids(struct hid_driver *hdrv) |
1421 | { |
1422 | struct hid_dynid *dynid, *n; |
1423 | |
1424 | spin_lock(&hdrv->dyn_lock); |
1425 | list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) { |
1426 | list_del(&dynid->list); |
1427 | kfree(dynid); |
1428 | } |
1429 | spin_unlock(&hdrv->dyn_lock); |
1430 | } |
1431 | |
1432 | static const struct hid_device_id *hid_match_device(struct hid_device *hdev, |
1433 | struct hid_driver *hdrv) |
1434 | { |
1435 | struct hid_dynid *dynid; |
1436 | |
1437 | spin_lock(&hdrv->dyn_lock); |
1438 | list_for_each_entry(dynid, &hdrv->dyn_list, list) { |
1439 | if (hid_match_one_id(hdev, &dynid->id)) { |
1440 | spin_unlock(&hdrv->dyn_lock); |
1441 | return &dynid->id; |
1442 | } |
1443 | } |
1444 | spin_unlock(&hdrv->dyn_lock); |
1445 | |
1446 | return hid_match_id(hdev, hdrv->id_table); |
1447 | } |
1448 | |
1449 | static int hid_bus_match(struct device *dev, struct device_driver *drv) |
1450 | { |
1451 | struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); |
1452 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
1453 | |
1454 | if (!hid_match_device(hdev, hdrv)) |
1455 | return 0; |
1456 | |
1457 | /* generic wants all non-blacklisted */ |
1458 | if (!strncmp(hdrv->name, "generic-", 8)) |
1459 | return !hid_match_id(hdev, hid_blacklist); |
1460 | |
1461 | return 1; |
1462 | } |
1463 | |
1464 | static int hid_device_probe(struct device *dev) |
1465 | { |
1466 | struct hid_driver *hdrv = container_of(dev->driver, |
1467 | struct hid_driver, driver); |
1468 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
1469 | const struct hid_device_id *id; |
1470 | int ret = 0; |
1471 | |
1472 | if (!hdev->driver) { |
1473 | id = hid_match_device(hdev, hdrv); |
1474 | if (id == NULL) |
1475 | return -ENODEV; |
1476 | |
1477 | hdev->driver = hdrv; |
1478 | if (hdrv->probe) { |
1479 | ret = hdrv->probe(hdev, id); |
1480 | } else { /* default probe */ |
1481 | ret = hid_parse(hdev); |
1482 | if (!ret) |
1483 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
1484 | } |
1485 | if (ret) |
1486 | hdev->driver = NULL; |
1487 | } |
1488 | return ret; |
1489 | } |
1490 | |
1491 | static int hid_device_remove(struct device *dev) |
1492 | { |
1493 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
1494 | struct hid_driver *hdrv = hdev->driver; |
1495 | |
1496 | if (hdrv) { |
1497 | if (hdrv->remove) |
1498 | hdrv->remove(hdev); |
1499 | else /* default remove */ |
1500 | hid_hw_stop(hdev); |
1501 | hdev->driver = NULL; |
1502 | } |
1503 | |
1504 | return 0; |
1505 | } |
1506 | |
1507 | static int hid_uevent(struct device *dev, struct kobj_uevent_env *env) |
1508 | { |
1509 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
1510 | |
1511 | if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X", |
1512 | hdev->bus, hdev->vendor, hdev->product)) |
1513 | return -ENOMEM; |
1514 | |
1515 | if (add_uevent_var(env, "HID_NAME=%s", hdev->name)) |
1516 | return -ENOMEM; |
1517 | |
1518 | if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys)) |
1519 | return -ENOMEM; |
1520 | |
1521 | if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq)) |
1522 | return -ENOMEM; |
1523 | |
1524 | if (add_uevent_var(env, "MODALIAS=hid:b%04Xv%08Xp%08X", |
1525 | hdev->bus, hdev->vendor, hdev->product)) |
1526 | return -ENOMEM; |
1527 | |
1528 | return 0; |
1529 | } |
1530 | |
1531 | static struct bus_type hid_bus_type = { |
1532 | .name = "hid", |
1533 | .match = hid_bus_match, |
1534 | .probe = hid_device_probe, |
1535 | .remove = hid_device_remove, |
1536 | .uevent = hid_uevent, |
1537 | }; |
1538 | |
1539 | /* a list of devices that shouldn't be handled by HID core at all */ |
1540 | static const struct hid_device_id hid_ignore_list[] = { |
1541 | { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) }, |
1542 | { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) }, |
1543 | { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) }, |
1544 | { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) }, |
1545 | { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) }, |
1546 | { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) }, |
1547 | { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) }, |
1548 | { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) }, |
1549 | { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) }, |
1550 | { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) }, |
1551 | { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) }, |
1552 | { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) }, |
1553 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_T91MT)}, |
1554 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)}, |
1555 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)}, |
1556 | { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) }, |
1557 | { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) }, |
1558 | { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) }, |
1559 | { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) }, |
1560 | { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) }, |
1561 | { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) }, |
1562 | { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) }, |
1563 | { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) }, |
1564 | { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) }, |
1565 | { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) }, |
1566 | { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) }, |
1567 | { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) }, |
1568 | { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) }, |
1569 | { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) }, |
1570 | { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0003) }, |
1571 | { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) }, |
1572 | { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) }, |
1573 | { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) }, |
1574 | { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) }, |
1575 | { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) }, |
1576 | { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) }, |
1577 | { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) }, |
1578 | { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) }, |
1579 | { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) }, |
1580 | { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) }, |
1581 | { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) }, |
1582 | { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) }, |
1583 | { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) }, |
1584 | { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) }, |
1585 | { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) }, |
1586 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) }, |
1587 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) }, |
1588 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) }, |
1589 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) }, |
1590 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) }, |
1591 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) }, |
1592 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) }, |
1593 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) }, |
1594 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) }, |
1595 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) }, |
1596 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) }, |
1597 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) }, |
1598 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) }, |
1599 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) }, |
1600 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) }, |
1601 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) }, |
1602 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) }, |
1603 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) }, |
1604 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) }, |
1605 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) }, |
1606 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) }, |
1607 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) }, |
1608 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) }, |
1609 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) }, |
1610 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) }, |
1611 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) }, |
1612 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) }, |
1613 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) }, |
1614 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) }, |
1615 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) }, |
1616 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) }, |
1617 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) }, |
1618 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) }, |
1619 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) }, |
1620 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) }, |
1621 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) }, |
1622 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) }, |
1623 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) }, |
1624 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) }, |
1625 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) }, |
1626 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) }, |
1627 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) }, |
1628 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) }, |
1629 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) }, |
1630 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) }, |
1631 | { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) }, |
1632 | { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) }, |
1633 | { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) }, |
1634 | { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) }, |
1635 | { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) }, |
1636 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) }, |
1637 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) }, |
1638 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) }, |
1639 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) }, |
1640 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) }, |
1641 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) }, |
1642 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) }, |
1643 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY1) }, |
1644 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) }, |
1645 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) }, |
1646 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) }, |
1647 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) }, |
1648 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) }, |
1649 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) }, |
1650 | { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) }, |
1651 | { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) }, |
1652 | { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) }, |
1653 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) }, |
1654 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) }, |
1655 | { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) }, |
1656 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) }, |
1657 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) }, |
1658 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) }, |
1659 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) }, |
1660 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) }, |
1661 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) }, |
1662 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) }, |
1663 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) }, |
1664 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) }, |
1665 | { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) }, |
1666 | { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) }, |
1667 | { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) }, |
1668 | { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) }, |
1669 | { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) }, |
1670 | { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) }, |
1671 | { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) }, |
1672 | { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) }, |
1673 | { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) }, |
1674 | { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) }, |
1675 | { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) }, |
1676 | { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) }, |
1677 | { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) }, |
1678 | { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) }, |
1679 | { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) }, |
1680 | { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) }, |
1681 | { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) }, |
1682 | { } |
1683 | }; |
1684 | |
1685 | /** |
1686 | * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer |
1687 | * |
1688 | * There are composite devices for which we want to ignore only a certain |
1689 | * interface. This is a list of devices for which only the mouse interface will |
1690 | * be ignored. This allows a dedicated driver to take care of the interface. |
1691 | */ |
1692 | static const struct hid_device_id hid_mouse_ignore_list[] = { |
1693 | /* appletouch driver */ |
1694 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, |
1695 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, |
1696 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, |
1697 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, |
1698 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, |
1699 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, |
1700 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, |
1701 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, |
1702 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, |
1703 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, |
1704 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, |
1705 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, |
1706 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, |
1707 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, |
1708 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, |
1709 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, |
1710 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, |
1711 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, |
1712 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, |
1713 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, |
1714 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, |
1715 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, |
1716 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, |
1717 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, |
1718 | { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, |
1719 | { } |
1720 | }; |
1721 | |
1722 | static bool hid_ignore(struct hid_device *hdev) |
1723 | { |
1724 | switch (hdev->vendor) { |
1725 | case USB_VENDOR_ID_CODEMERCS: |
1726 | /* ignore all Code Mercenaries IOWarrior devices */ |
1727 | if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST && |
1728 | hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST) |
1729 | return true; |
1730 | break; |
1731 | case USB_VENDOR_ID_LOGITECH: |
1732 | if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST && |
1733 | hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST) |
1734 | return true; |
1735 | break; |
1736 | case USB_VENDOR_ID_SOUNDGRAPH: |
1737 | if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST && |
1738 | hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST) |
1739 | return true; |
1740 | break; |
1741 | } |
1742 | |
1743 | if (hdev->type == HID_TYPE_USBMOUSE && |
1744 | hid_match_id(hdev, hid_mouse_ignore_list)) |
1745 | return true; |
1746 | |
1747 | return !!hid_match_id(hdev, hid_ignore_list); |
1748 | } |
1749 | |
1750 | int hid_add_device(struct hid_device *hdev) |
1751 | { |
1752 | static atomic_t id = ATOMIC_INIT(0); |
1753 | int ret; |
1754 | |
1755 | if (WARN_ON(hdev->status & HID_STAT_ADDED)) |
1756 | return -EBUSY; |
1757 | |
1758 | /* we need to kill them here, otherwise they will stay allocated to |
1759 | * wait for coming driver */ |
1760 | if (hid_ignore(hdev)) |
1761 | return -ENODEV; |
1762 | |
1763 | /* XXX hack, any other cleaner solution after the driver core |
1764 | * is converted to allow more than 20 bytes as the device name? */ |
1765 | dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus, |
1766 | hdev->vendor, hdev->product, atomic_inc_return(&id)); |
1767 | |
1768 | ret = device_add(&hdev->dev); |
1769 | if (!ret) |
1770 | hdev->status |= HID_STAT_ADDED; |
1771 | |
1772 | hid_debug_register(hdev, dev_name(&hdev->dev)); |
1773 | |
1774 | return ret; |
1775 | } |
1776 | EXPORT_SYMBOL_GPL(hid_add_device); |
1777 | |
1778 | /** |
1779 | * hid_allocate_device - allocate new hid device descriptor |
1780 | * |
1781 | * Allocate and initialize hid device, so that hid_destroy_device might be |
1782 | * used to free it. |
1783 | * |
1784 | * New hid_device pointer is returned on success, otherwise ERR_PTR encoded |
1785 | * error value. |
1786 | */ |
1787 | struct hid_device *hid_allocate_device(void) |
1788 | { |
1789 | struct hid_device *hdev; |
1790 | unsigned int i; |
1791 | int ret = -ENOMEM; |
1792 | |
1793 | hdev = kzalloc(sizeof(*hdev), GFP_KERNEL); |
1794 | if (hdev == NULL) |
1795 | return ERR_PTR(ret); |
1796 | |
1797 | device_initialize(&hdev->dev); |
1798 | hdev->dev.release = hid_device_release; |
1799 | hdev->dev.bus = &hid_bus_type; |
1800 | |
1801 | hdev->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS, |
1802 | sizeof(struct hid_collection), GFP_KERNEL); |
1803 | if (hdev->collection == NULL) |
1804 | goto err; |
1805 | hdev->collection_size = HID_DEFAULT_NUM_COLLECTIONS; |
1806 | |
1807 | for (i = 0; i < HID_REPORT_TYPES; i++) |
1808 | INIT_LIST_HEAD(&hdev->report_enum[i].report_list); |
1809 | |
1810 | init_waitqueue_head(&hdev->debug_wait); |
1811 | INIT_LIST_HEAD(&hdev->debug_list); |
1812 | |
1813 | return hdev; |
1814 | err: |
1815 | put_device(&hdev->dev); |
1816 | return ERR_PTR(ret); |
1817 | } |
1818 | EXPORT_SYMBOL_GPL(hid_allocate_device); |
1819 | |
1820 | static void hid_remove_device(struct hid_device *hdev) |
1821 | { |
1822 | if (hdev->status & HID_STAT_ADDED) { |
1823 | device_del(&hdev->dev); |
1824 | hid_debug_unregister(hdev); |
1825 | hdev->status &= ~HID_STAT_ADDED; |
1826 | } |
1827 | } |
1828 | |
1829 | /** |
1830 | * hid_destroy_device - free previously allocated device |
1831 | * |
1832 | * @hdev: hid device |
1833 | * |
1834 | * If you allocate hid_device through hid_allocate_device, you should ever |
1835 | * free by this function. |
1836 | */ |
1837 | void hid_destroy_device(struct hid_device *hdev) |
1838 | { |
1839 | hid_remove_device(hdev); |
1840 | put_device(&hdev->dev); |
1841 | } |
1842 | EXPORT_SYMBOL_GPL(hid_destroy_device); |
1843 | |
1844 | int __hid_register_driver(struct hid_driver *hdrv, struct module *owner, |
1845 | const char *mod_name) |
1846 | { |
1847 | int ret; |
1848 | |
1849 | hdrv->driver.name = hdrv->name; |
1850 | hdrv->driver.bus = &hid_bus_type; |
1851 | hdrv->driver.owner = owner; |
1852 | hdrv->driver.mod_name = mod_name; |
1853 | |
1854 | INIT_LIST_HEAD(&hdrv->dyn_list); |
1855 | spin_lock_init(&hdrv->dyn_lock); |
1856 | |
1857 | ret = driver_register(&hdrv->driver); |
1858 | if (ret) |
1859 | return ret; |
1860 | |
1861 | ret = driver_create_file(&hdrv->driver, &driver_attr_new_id); |
1862 | if (ret) |
1863 | driver_unregister(&hdrv->driver); |
1864 | |
1865 | return ret; |
1866 | } |
1867 | EXPORT_SYMBOL_GPL(__hid_register_driver); |
1868 | |
1869 | void hid_unregister_driver(struct hid_driver *hdrv) |
1870 | { |
1871 | driver_remove_file(&hdrv->driver, &driver_attr_new_id); |
1872 | driver_unregister(&hdrv->driver); |
1873 | hid_free_dynids(hdrv); |
1874 | } |
1875 | EXPORT_SYMBOL_GPL(hid_unregister_driver); |
1876 | |
1877 | int hid_check_keys_pressed(struct hid_device *hid) |
1878 | { |
1879 | struct hid_input *hidinput; |
1880 | int i; |
1881 | |
1882 | if (!(hid->claimed & HID_CLAIMED_INPUT)) |
1883 | return 0; |
1884 | |
1885 | list_for_each_entry(hidinput, &hid->inputs, list) { |
1886 | for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++) |
1887 | if (hidinput->input->key[i]) |
1888 | return 1; |
1889 | } |
1890 | |
1891 | return 0; |
1892 | } |
1893 | |
1894 | EXPORT_SYMBOL_GPL(hid_check_keys_pressed); |
1895 | |
1896 | static int __init hid_init(void) |
1897 | { |
1898 | int ret; |
1899 | |
1900 | if (hid_debug) |
1901 | printk(KERN_WARNING "HID: hid_debug is now used solely for parser and driver debugging.\n" |
1902 | "HID: debugfs is now used for inspecting the device (report descriptor, reports)\n"); |
1903 | |
1904 | ret = bus_register(&hid_bus_type); |
1905 | if (ret) { |
1906 | printk(KERN_ERR "HID: can't register hid bus\n"); |
1907 | goto err; |
1908 | } |
1909 | |
1910 | ret = hidraw_init(); |
1911 | if (ret) |
1912 | goto err_bus; |
1913 | |
1914 | hid_debug_init(); |
1915 | |
1916 | return 0; |
1917 | err_bus: |
1918 | bus_unregister(&hid_bus_type); |
1919 | err: |
1920 | return ret; |
1921 | } |
1922 | |
1923 | static void __exit hid_exit(void) |
1924 | { |
1925 | hid_debug_exit(); |
1926 | hidraw_exit(); |
1927 | bus_unregister(&hid_bus_type); |
1928 | } |
1929 | |
1930 | module_init(hid_init); |
1931 | module_exit(hid_exit); |
1932 | |
1933 | MODULE_AUTHOR("Andreas Gal"); |
1934 | MODULE_AUTHOR("Vojtech Pavlik"); |
1935 | MODULE_AUTHOR("Jiri Kosina"); |
1936 | MODULE_LICENSE(DRIVER_LICENSE); |
1937 | |
1938 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
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jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9