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1 | #ifndef __HID_H |
2 | #define __HID_H | |
3 | ||
4 | /* | |
5 | * $Id: hid.h,v 1.24 2001/12/27 10:37:41 vojtech Exp $ | |
6 | * | |
7 | * Copyright (c) 1999 Andreas Gal | |
8 | * Copyright (c) 2000-2001 Vojtech Pavlik | |
9 | */ | |
10 | ||
11 | /* | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License as published by | |
14 | * the Free Software Foundation; either version 2 of the License, or | |
15 | * (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
25 | * | |
26 | * Should you need to contact me, the author, you can do so either by | |
27 | * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: | |
28 | * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic | |
29 | */ | |
30 | ||
31 | #include <linux/types.h> | |
32 | #include <linux/slab.h> | |
33 | #include <linux/list.h> | |
34 | ||
35 | /* | |
36 | * USB HID (Human Interface Device) interface class code | |
37 | */ | |
38 | ||
39 | #define USB_INTERFACE_CLASS_HID 3 | |
40 | ||
41 | /* | |
42 | * HID class requests | |
43 | */ | |
44 | ||
45 | #define HID_REQ_GET_REPORT 0x01 | |
46 | #define HID_REQ_GET_IDLE 0x02 | |
47 | #define HID_REQ_GET_PROTOCOL 0x03 | |
48 | #define HID_REQ_SET_REPORT 0x09 | |
49 | #define HID_REQ_SET_IDLE 0x0A | |
50 | #define HID_REQ_SET_PROTOCOL 0x0B | |
51 | ||
52 | /* | |
53 | * HID class descriptor types | |
54 | */ | |
55 | ||
56 | #define HID_DT_HID (USB_TYPE_CLASS | 0x01) | |
57 | #define HID_DT_REPORT (USB_TYPE_CLASS | 0x02) | |
58 | #define HID_DT_PHYSICAL (USB_TYPE_CLASS | 0x03) | |
59 | ||
60 | /* | |
61 | * We parse each description item into this structure. Short items data | |
62 | * values are expanded to 32-bit signed int, long items contain a pointer | |
63 | * into the data area. | |
64 | */ | |
65 | ||
66 | struct hid_item { | |
67 | unsigned format; | |
68 | __u8 size; | |
69 | __u8 type; | |
70 | __u8 tag; | |
71 | union { | |
72 | __u8 u8; | |
73 | __s8 s8; | |
74 | __u16 u16; | |
75 | __s16 s16; | |
76 | __u32 u32; | |
77 | __s32 s32; | |
78 | __u8 *longdata; | |
79 | } data; | |
80 | }; | |
81 | ||
82 | /* | |
83 | * HID report item format | |
84 | */ | |
85 | ||
86 | #define HID_ITEM_FORMAT_SHORT 0 | |
87 | #define HID_ITEM_FORMAT_LONG 1 | |
88 | ||
89 | /* | |
90 | * Special tag indicating long items | |
91 | */ | |
92 | ||
93 | #define HID_ITEM_TAG_LONG 15 | |
94 | ||
95 | /* | |
96 | * HID report descriptor item type (prefix bit 2,3) | |
97 | */ | |
98 | ||
99 | #define HID_ITEM_TYPE_MAIN 0 | |
100 | #define HID_ITEM_TYPE_GLOBAL 1 | |
101 | #define HID_ITEM_TYPE_LOCAL 2 | |
102 | #define HID_ITEM_TYPE_RESERVED 3 | |
103 | ||
104 | /* | |
105 | * HID report descriptor main item tags | |
106 | */ | |
107 | ||
108 | #define HID_MAIN_ITEM_TAG_INPUT 8 | |
109 | #define HID_MAIN_ITEM_TAG_OUTPUT 9 | |
110 | #define HID_MAIN_ITEM_TAG_FEATURE 11 | |
111 | #define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION 10 | |
112 | #define HID_MAIN_ITEM_TAG_END_COLLECTION 12 | |
113 | ||
114 | /* | |
115 | * HID report descriptor main item contents | |
116 | */ | |
117 | ||
118 | #define HID_MAIN_ITEM_CONSTANT 0x001 | |
119 | #define HID_MAIN_ITEM_VARIABLE 0x002 | |
120 | #define HID_MAIN_ITEM_RELATIVE 0x004 | |
121 | #define HID_MAIN_ITEM_WRAP 0x008 | |
122 | #define HID_MAIN_ITEM_NONLINEAR 0x010 | |
123 | #define HID_MAIN_ITEM_NO_PREFERRED 0x020 | |
124 | #define HID_MAIN_ITEM_NULL_STATE 0x040 | |
125 | #define HID_MAIN_ITEM_VOLATILE 0x080 | |
126 | #define HID_MAIN_ITEM_BUFFERED_BYTE 0x100 | |
127 | ||
128 | /* | |
129 | * HID report descriptor collection item types | |
130 | */ | |
131 | ||
132 | #define HID_COLLECTION_PHYSICAL 0 | |
133 | #define HID_COLLECTION_APPLICATION 1 | |
134 | #define HID_COLLECTION_LOGICAL 2 | |
135 | ||
136 | /* | |
137 | * HID report descriptor global item tags | |
138 | */ | |
139 | ||
140 | #define HID_GLOBAL_ITEM_TAG_USAGE_PAGE 0 | |
141 | #define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM 1 | |
142 | #define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM 2 | |
143 | #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM 3 | |
144 | #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM 4 | |
145 | #define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT 5 | |
146 | #define HID_GLOBAL_ITEM_TAG_UNIT 6 | |
147 | #define HID_GLOBAL_ITEM_TAG_REPORT_SIZE 7 | |
148 | #define HID_GLOBAL_ITEM_TAG_REPORT_ID 8 | |
149 | #define HID_GLOBAL_ITEM_TAG_REPORT_COUNT 9 | |
150 | #define HID_GLOBAL_ITEM_TAG_PUSH 10 | |
151 | #define HID_GLOBAL_ITEM_TAG_POP 11 | |
152 | ||
153 | /* | |
154 | * HID report descriptor local item tags | |
155 | */ | |
156 | ||
157 | #define HID_LOCAL_ITEM_TAG_USAGE 0 | |
158 | #define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM 1 | |
159 | #define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM 2 | |
160 | #define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX 3 | |
161 | #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM 4 | |
162 | #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM 5 | |
163 | #define HID_LOCAL_ITEM_TAG_STRING_INDEX 7 | |
164 | #define HID_LOCAL_ITEM_TAG_STRING_MINIMUM 8 | |
165 | #define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM 9 | |
166 | #define HID_LOCAL_ITEM_TAG_DELIMITER 10 | |
167 | ||
168 | /* | |
169 | * HID usage tables | |
170 | */ | |
171 | ||
172 | #define HID_USAGE_PAGE 0xffff0000 | |
173 | ||
174 | #define HID_UP_UNDEFINED 0x00000000 | |
175 | #define HID_UP_GENDESK 0x00010000 | |
176 | #define HID_UP_KEYBOARD 0x00070000 | |
177 | #define HID_UP_LED 0x00080000 | |
178 | #define HID_UP_BUTTON 0x00090000 | |
179 | #define HID_UP_ORDINAL 0x000a0000 | |
180 | #define HID_UP_CONSUMER 0x000c0000 | |
181 | #define HID_UP_DIGITIZER 0x000d0000 | |
182 | #define HID_UP_PID 0x000f0000 | |
183 | #define HID_UP_HPVENDOR 0xff7f0000 | |
184 | #define HID_UP_MSVENDOR 0xff000000 | |
185 | ||
186 | #define HID_USAGE 0x0000ffff | |
187 | ||
188 | #define HID_GD_POINTER 0x00010001 | |
189 | #define HID_GD_MOUSE 0x00010002 | |
190 | #define HID_GD_JOYSTICK 0x00010004 | |
191 | #define HID_GD_GAMEPAD 0x00010005 | |
192 | #define HID_GD_KEYBOARD 0x00010006 | |
193 | #define HID_GD_KEYPAD 0x00010007 | |
194 | #define HID_GD_MULTIAXIS 0x00010008 | |
195 | #define HID_GD_X 0x00010030 | |
196 | #define HID_GD_Y 0x00010031 | |
197 | #define HID_GD_Z 0x00010032 | |
198 | #define HID_GD_RX 0x00010033 | |
199 | #define HID_GD_RY 0x00010034 | |
200 | #define HID_GD_RZ 0x00010035 | |
201 | #define HID_GD_SLIDER 0x00010036 | |
202 | #define HID_GD_DIAL 0x00010037 | |
203 | #define HID_GD_WHEEL 0x00010038 | |
204 | #define HID_GD_HATSWITCH 0x00010039 | |
205 | #define HID_GD_BUFFER 0x0001003a | |
206 | #define HID_GD_BYTECOUNT 0x0001003b | |
207 | #define HID_GD_MOTION 0x0001003c | |
208 | #define HID_GD_START 0x0001003d | |
209 | #define HID_GD_SELECT 0x0001003e | |
210 | #define HID_GD_VX 0x00010040 | |
211 | #define HID_GD_VY 0x00010041 | |
212 | #define HID_GD_VZ 0x00010042 | |
213 | #define HID_GD_VBRX 0x00010043 | |
214 | #define HID_GD_VBRY 0x00010044 | |
215 | #define HID_GD_VBRZ 0x00010045 | |
216 | #define HID_GD_VNO 0x00010046 | |
217 | #define HID_GD_FEATURE 0x00010047 | |
218 | #define HID_GD_UP 0x00010090 | |
219 | #define HID_GD_DOWN 0x00010091 | |
220 | #define HID_GD_RIGHT 0x00010092 | |
221 | #define HID_GD_LEFT 0x00010093 | |
222 | ||
223 | /* | |
224 | * HID report types --- Ouch! HID spec says 1 2 3! | |
225 | */ | |
226 | ||
227 | #define HID_INPUT_REPORT 0 | |
228 | #define HID_OUTPUT_REPORT 1 | |
229 | #define HID_FEATURE_REPORT 2 | |
230 | ||
231 | /* | |
232 | * HID device quirks. | |
233 | */ | |
234 | ||
235 | #define HID_QUIRK_INVERT 0x001 | |
236 | #define HID_QUIRK_NOTOUCH 0x002 | |
237 | #define HID_QUIRK_IGNORE 0x004 | |
238 | #define HID_QUIRK_NOGET 0x008 | |
239 | #define HID_QUIRK_HIDDEV 0x010 | |
240 | #define HID_QUIRK_BADPAD 0x020 | |
241 | #define HID_QUIRK_MULTI_INPUT 0x040 | |
242 | #define HID_QUIRK_2WHEEL_MOUSE_HACK_7 0x080 | |
243 | #define HID_QUIRK_2WHEEL_MOUSE_HACK_5 0x100 | |
244 | #define HID_QUIRK_2WHEEL_MOUSE_HACK_ON 0x200 | |
245 | ||
246 | /* | |
247 | * This is the global environment of the parser. This information is | |
248 | * persistent for main-items. The global environment can be saved and | |
249 | * restored with PUSH/POP statements. | |
250 | */ | |
251 | ||
252 | struct hid_global { | |
253 | unsigned usage_page; | |
254 | __s32 logical_minimum; | |
255 | __s32 logical_maximum; | |
256 | __s32 physical_minimum; | |
257 | __s32 physical_maximum; | |
258 | __s32 unit_exponent; | |
259 | unsigned unit; | |
260 | unsigned report_id; | |
261 | unsigned report_size; | |
262 | unsigned report_count; | |
263 | }; | |
264 | ||
265 | /* | |
266 | * This is the local environment. It is persistent up the next main-item. | |
267 | */ | |
268 | ||
269 | #define HID_MAX_DESCRIPTOR_SIZE 4096 | |
270 | #define HID_MAX_USAGES 1024 | |
271 | #define HID_DEFAULT_NUM_COLLECTIONS 16 | |
272 | ||
273 | struct hid_local { | |
274 | unsigned usage[HID_MAX_USAGES]; /* usage array */ | |
275 | unsigned collection_index[HID_MAX_USAGES]; /* collection index array */ | |
276 | unsigned usage_index; | |
277 | unsigned usage_minimum; | |
278 | unsigned delimiter_depth; | |
279 | unsigned delimiter_branch; | |
280 | }; | |
281 | ||
282 | /* | |
283 | * This is the collection stack. We climb up the stack to determine | |
284 | * application and function of each field. | |
285 | */ | |
286 | ||
287 | struct hid_collection { | |
288 | unsigned type; | |
289 | unsigned usage; | |
290 | unsigned level; | |
291 | }; | |
292 | ||
293 | struct hid_usage { | |
294 | unsigned hid; /* hid usage code */ | |
295 | unsigned collection_index; /* index into collection array */ | |
296 | /* hidinput data */ | |
297 | __u16 code; /* input driver code */ | |
298 | __u8 type; /* input driver type */ | |
299 | __s8 hat_min; /* hat switch fun */ | |
300 | __s8 hat_max; /* ditto */ | |
301 | __s8 hat_dir; /* ditto */ | |
302 | }; | |
303 | ||
304 | struct hid_input; | |
305 | ||
306 | struct hid_field { | |
307 | unsigned physical; /* physical usage for this field */ | |
308 | unsigned logical; /* logical usage for this field */ | |
309 | unsigned application; /* application usage for this field */ | |
310 | struct hid_usage *usage; /* usage table for this function */ | |
311 | unsigned maxusage; /* maximum usage index */ | |
312 | unsigned flags; /* main-item flags (i.e. volatile,array,constant) */ | |
313 | unsigned report_offset; /* bit offset in the report */ | |
314 | unsigned report_size; /* size of this field in the report */ | |
315 | unsigned report_count; /* number of this field in the report */ | |
316 | unsigned report_type; /* (input,output,feature) */ | |
317 | __s32 *value; /* last known value(s) */ | |
318 | __s32 logical_minimum; | |
319 | __s32 logical_maximum; | |
320 | __s32 physical_minimum; | |
321 | __s32 physical_maximum; | |
322 | __s32 unit_exponent; | |
323 | unsigned unit; | |
324 | struct hid_report *report; /* associated report */ | |
325 | unsigned index; /* index into report->field[] */ | |
326 | /* hidinput data */ | |
327 | struct hid_input *hidinput; /* associated input structure */ | |
328 | __u16 dpad; /* dpad input code */ | |
329 | }; | |
330 | ||
331 | #define HID_MAX_FIELDS 64 | |
332 | ||
333 | struct hid_report { | |
334 | struct list_head list; | |
335 | unsigned id; /* id of this report */ | |
336 | unsigned type; /* report type */ | |
337 | struct hid_field *field[HID_MAX_FIELDS]; /* fields of the report */ | |
338 | unsigned maxfield; /* maximum valid field index */ | |
339 | unsigned size; /* size of the report (bits) */ | |
340 | struct hid_device *device; /* associated device */ | |
341 | }; | |
342 | ||
343 | struct hid_report_enum { | |
344 | unsigned numbered; | |
345 | struct list_head report_list; | |
346 | struct hid_report *report_id_hash[256]; | |
347 | }; | |
348 | ||
349 | #define HID_REPORT_TYPES 3 | |
350 | ||
351 | #define HID_BUFFER_SIZE 64 /* use 64 for compatibility with all possible packetlen */ | |
352 | #define HID_CONTROL_FIFO_SIZE 256 /* to init devices with >100 reports */ | |
353 | #define HID_OUTPUT_FIFO_SIZE 64 | |
354 | ||
355 | struct hid_control_fifo { | |
356 | unsigned char dir; | |
357 | struct hid_report *report; | |
358 | }; | |
359 | ||
360 | #define HID_CLAIMED_INPUT 1 | |
361 | #define HID_CLAIMED_HIDDEV 2 | |
362 | ||
363 | #define HID_CTRL_RUNNING 1 | |
364 | #define HID_OUT_RUNNING 2 | |
365 | ||
366 | struct hid_input { | |
367 | struct list_head list; | |
368 | struct hid_report *report; | |
369 | struct input_dev input; | |
370 | }; | |
371 | ||
372 | struct hid_device { /* device report descriptor */ | |
373 | __u8 *rdesc; | |
374 | unsigned rsize; | |
375 | struct hid_collection *collection; /* List of HID collections */ | |
376 | unsigned collection_size; /* Number of allocated hid_collections */ | |
377 | unsigned maxcollection; /* Number of parsed collections */ | |
378 | unsigned maxapplication; /* Number of applications */ | |
379 | unsigned version; /* HID version */ | |
380 | unsigned country; /* HID country */ | |
381 | struct hid_report_enum report_enum[HID_REPORT_TYPES]; | |
382 | ||
383 | struct usb_device *dev; /* USB device */ | |
384 | struct usb_interface *intf; /* USB interface */ | |
385 | int ifnum; /* USB interface number */ | |
386 | ||
387 | unsigned long iofl; /* I/O flags (CTRL_RUNNING, OUT_RUNNING) */ | |
388 | ||
389 | struct urb *urbin; /* Input URB */ | |
390 | char *inbuf; /* Input buffer */ | |
391 | dma_addr_t inbuf_dma; /* Input buffer dma */ | |
392 | ||
393 | struct urb *urbctrl; /* Control URB */ | |
394 | struct usb_ctrlrequest *cr; /* Control request struct */ | |
395 | dma_addr_t cr_dma; /* Control request struct dma */ | |
396 | struct hid_control_fifo ctrl[HID_CONTROL_FIFO_SIZE]; /* Control fifo */ | |
397 | unsigned char ctrlhead, ctrltail; /* Control fifo head & tail */ | |
398 | char *ctrlbuf; /* Control buffer */ | |
399 | dma_addr_t ctrlbuf_dma; /* Control buffer dma */ | |
400 | spinlock_t ctrllock; /* Control fifo spinlock */ | |
401 | ||
402 | struct urb *urbout; /* Output URB */ | |
403 | struct hid_report *out[HID_CONTROL_FIFO_SIZE]; /* Output pipe fifo */ | |
404 | unsigned char outhead, outtail; /* Output pipe fifo head & tail */ | |
405 | char *outbuf; /* Output buffer */ | |
406 | dma_addr_t outbuf_dma; /* Output buffer dma */ | |
407 | spinlock_t outlock; /* Output fifo spinlock */ | |
408 | ||
409 | unsigned claimed; /* Claimed by hidinput, hiddev? */ | |
410 | unsigned quirks; /* Various quirks the device can pull on us */ | |
411 | ||
412 | struct list_head inputs; /* The list of inputs */ | |
413 | void *hiddev; /* The hiddev structure */ | |
414 | int minor; /* Hiddev minor number */ | |
415 | ||
416 | wait_queue_head_t wait; /* For sleeping */ | |
417 | ||
418 | int open; /* is the device open by anyone? */ | |
419 | char name[128]; /* Device name */ | |
420 | char phys[64]; /* Device physical location */ | |
421 | char uniq[64]; /* Device unique identifier (serial #) */ | |
422 | ||
423 | void *ff_private; /* Private data for the force-feedback driver */ | |
424 | void (*ff_exit)(struct hid_device*); /* Called by hid_exit_ff(hid) */ | |
425 | int (*ff_event)(struct hid_device *hid, struct input_dev *input, | |
426 | unsigned int type, unsigned int code, int value); | |
427 | }; | |
428 | ||
429 | #define HID_GLOBAL_STACK_SIZE 4 | |
430 | #define HID_COLLECTION_STACK_SIZE 4 | |
431 | ||
432 | struct hid_parser { | |
433 | struct hid_global global; | |
434 | struct hid_global global_stack[HID_GLOBAL_STACK_SIZE]; | |
435 | unsigned global_stack_ptr; | |
436 | struct hid_local local; | |
437 | unsigned collection_stack[HID_COLLECTION_STACK_SIZE]; | |
438 | unsigned collection_stack_ptr; | |
439 | struct hid_device *device; | |
440 | }; | |
441 | ||
442 | struct hid_class_descriptor { | |
443 | __u8 bDescriptorType; | |
444 | __u16 wDescriptorLength; | |
445 | } __attribute__ ((packed)); | |
446 | ||
447 | struct hid_descriptor { | |
448 | __u8 bLength; | |
449 | __u8 bDescriptorType; | |
450 | __u16 bcdHID; | |
451 | __u8 bCountryCode; | |
452 | __u8 bNumDescriptors; | |
453 | ||
454 | struct hid_class_descriptor desc[1]; | |
455 | } __attribute__ ((packed)); | |
456 | ||
457 | #ifdef DEBUG | |
458 | #include "hid-debug.h" | |
459 | #else | |
460 | #define hid_dump_input(a,b) do { } while (0) | |
461 | #define hid_dump_device(c) do { } while (0) | |
462 | #define hid_dump_field(a,b) do { } while (0) | |
463 | #define resolv_usage(a) do { } while (0) | |
464 | #define resolv_event(a,b) do { } while (0) | |
465 | #endif | |
466 | ||
467 | #endif | |
468 | ||
469 | #ifdef CONFIG_USB_HIDINPUT | |
470 | /* Applications from HID Usage Tables 4/8/99 Version 1.1 */ | |
471 | /* We ignore a few input applications that are not widely used */ | |
472 | #define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001)) | |
473 | extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32, struct pt_regs *regs); | |
474 | extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report); | |
475 | extern int hidinput_connect(struct hid_device *); | |
476 | extern void hidinput_disconnect(struct hid_device *); | |
477 | #else | |
478 | #define IS_INPUT_APPLICATION(a) (0) | |
479 | static inline void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value, struct pt_regs *regs) { } | |
480 | static inline void hidinput_report_event(struct hid_device *hid, struct hid_report *report) { } | |
481 | static inline int hidinput_connect(struct hid_device *hid) { return -ENODEV; } | |
482 | static inline void hidinput_disconnect(struct hid_device *hid) { } | |
483 | #endif | |
484 | ||
485 | int hid_open(struct hid_device *); | |
486 | void hid_close(struct hid_device *); | |
487 | int hid_set_field(struct hid_field *, unsigned, __s32); | |
488 | void hid_submit_report(struct hid_device *, struct hid_report *, unsigned char dir); | |
489 | void hid_init_reports(struct hid_device *hid); | |
490 | struct hid_field *hid_find_field_by_usage(struct hid_device *hid, __u32 wanted_usage, int type); | |
491 | int hid_wait_io(struct hid_device* hid); | |
492 | ||
493 | ||
494 | #ifdef CONFIG_HID_FF | |
495 | int hid_ff_init(struct hid_device *hid); | |
496 | #else | |
497 | static inline int hid_ff_init(struct hid_device *hid) { return -1; } | |
498 | #endif | |
499 | static inline void hid_ff_exit(struct hid_device *hid) | |
500 | { | |
501 | if (hid->ff_exit) | |
502 | hid->ff_exit(hid); | |
503 | } | |
504 | static inline int hid_ff_event(struct hid_device *hid, struct input_dev *input, | |
505 | unsigned int type, unsigned int code, int value) | |
506 | { | |
507 | if (hid->ff_event) | |
508 | return hid->ff_event(hid, input, type, code, value); | |
509 | return -ENOSYS; | |
510 | } |