1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Copyright (c) 1999 Andreas Gal
4 * Copyright (c) 2000-2001 Vojtech Pavlik
5 * Copyright (c) 2006-2007 Jiri Kosina
6 */
7 /*
8 *
9 * Should you need to contact me, the author, you can do so either by
10 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
11 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
12 */
13 #ifndef __HID_H
14 #define __HID_H
15
16
17 #include <linux/bitops.h>
18 #include <linux/types.h>
19 #include <linux/slab.h>
20 #include <linux/list.h>
21 #include <linux/mod_devicetable.h> /* hid_device_id */
22 #include <linux/timer.h>
23 #include <linux/workqueue.h>
24 #include <linux/input.h>
25 #include <linux/semaphore.h>
26 #include <linux/mutex.h>
27 #include <linux/power_supply.h>
28 #include <uapi/linux/hid.h>
29
30 /*
31 * We parse each description item into this structure. Short items data
32 * values are expanded to 32-bit signed int, long items contain a pointer
33 * into the data area.
34 */
35
36 struct hid_item {
37 unsigned format;
38 __u8 size;
39 __u8 type;
40 __u8 tag;
41 union {
42 __u8 u8;
43 __s8 s8;
44 __u16 u16;
45 __s16 s16;
46 __u32 u32;
47 __s32 s32;
48 __u8 *longdata;
49 } data;
50 };
51
52 /*
53 * HID report item format
54 */
55
56 #define HID_ITEM_FORMAT_SHORT 0
57 #define HID_ITEM_FORMAT_LONG 1
58
59 /*
60 * Special tag indicating long items
61 */
62
63 #define HID_ITEM_TAG_LONG 15
64
65 /*
66 * HID report descriptor item type (prefix bit 2,3)
67 */
68
69 #define HID_ITEM_TYPE_MAIN 0
70 #define HID_ITEM_TYPE_GLOBAL 1
71 #define HID_ITEM_TYPE_LOCAL 2
72 #define HID_ITEM_TYPE_RESERVED 3
73
74 /*
75 * HID report descriptor main item tags
76 */
77
78 #define HID_MAIN_ITEM_TAG_INPUT 8
79 #define HID_MAIN_ITEM_TAG_OUTPUT 9
80 #define HID_MAIN_ITEM_TAG_FEATURE 11
81 #define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION 10
82 #define HID_MAIN_ITEM_TAG_END_COLLECTION 12
83
84 /*
85 * HID report descriptor main item contents
86 */
87
88 #define HID_MAIN_ITEM_CONSTANT 0x001
89 #define HID_MAIN_ITEM_VARIABLE 0x002
90 #define HID_MAIN_ITEM_RELATIVE 0x004
91 #define HID_MAIN_ITEM_WRAP 0x008
92 #define HID_MAIN_ITEM_NONLINEAR 0x010
93 #define HID_MAIN_ITEM_NO_PREFERRED 0x020
94 #define HID_MAIN_ITEM_NULL_STATE 0x040
95 #define HID_MAIN_ITEM_VOLATILE 0x080
96 #define HID_MAIN_ITEM_BUFFERED_BYTE 0x100
97
98 /*
99 * HID report descriptor collection item types
100 */
101
102 #define HID_COLLECTION_PHYSICAL 0
103 #define HID_COLLECTION_APPLICATION 1
104 #define HID_COLLECTION_LOGICAL 2
105
106 /*
107 * HID report descriptor global item tags
108 */
109
110 #define HID_GLOBAL_ITEM_TAG_USAGE_PAGE 0
111 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM 1
112 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM 2
113 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM 3
114 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM 4
115 #define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT 5
116 #define HID_GLOBAL_ITEM_TAG_UNIT 6
117 #define HID_GLOBAL_ITEM_TAG_REPORT_SIZE 7
118 #define HID_GLOBAL_ITEM_TAG_REPORT_ID 8
119 #define HID_GLOBAL_ITEM_TAG_REPORT_COUNT 9
120 #define HID_GLOBAL_ITEM_TAG_PUSH 10
121 #define HID_GLOBAL_ITEM_TAG_POP 11
122
123 /*
124 * HID report descriptor local item tags
125 */
126
127 #define HID_LOCAL_ITEM_TAG_USAGE 0
128 #define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM 1
129 #define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM 2
130 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX 3
131 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM 4
132 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM 5
133 #define HID_LOCAL_ITEM_TAG_STRING_INDEX 7
134 #define HID_LOCAL_ITEM_TAG_STRING_MINIMUM 8
135 #define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM 9
136 #define HID_LOCAL_ITEM_TAG_DELIMITER 10
137
138 /*
139 * HID usage tables
140 */
141
142 #define HID_USAGE_PAGE 0xffff0000
143
144 #define HID_UP_UNDEFINED 0x00000000
145 #define HID_UP_GENDESK 0x00010000
146 #define HID_UP_SIMULATION 0x00020000
147 #define HID_UP_GENDEVCTRLS 0x00060000
148 #define HID_UP_KEYBOARD 0x00070000
149 #define HID_UP_LED 0x00080000
150 #define HID_UP_BUTTON 0x00090000
151 #define HID_UP_ORDINAL 0x000a0000
152 #define HID_UP_TELEPHONY 0x000b0000
153 #define HID_UP_CONSUMER 0x000c0000
154 #define HID_UP_DIGITIZER 0x000d0000
155 #define HID_UP_PID 0x000f0000
156 #define HID_UP_HPVENDOR 0xff7f0000
157 #define HID_UP_HPVENDOR2 0xff010000
158 #define HID_UP_MSVENDOR 0xff000000
159 #define HID_UP_CUSTOM 0x00ff0000
160 #define HID_UP_LOGIVENDOR 0xffbc0000
161 #define HID_UP_LOGIVENDOR2 0xff090000
162 #define HID_UP_LOGIVENDOR3 0xff430000
163 #define HID_UP_LNVENDOR 0xffa00000
164 #define HID_UP_SENSOR 0x00200000
165 #define HID_UP_ASUSVENDOR 0xff310000
166
167 #define HID_USAGE 0x0000ffff
168
169 #define HID_GD_POINTER 0x00010001
170 #define HID_GD_MOUSE 0x00010002
171 #define HID_GD_JOYSTICK 0x00010004
172 #define HID_GD_GAMEPAD 0x00010005
173 #define HID_GD_KEYBOARD 0x00010006
174 #define HID_GD_KEYPAD 0x00010007
175 #define HID_GD_MULTIAXIS 0x00010008
176 /*
177 * Microsoft Win8 Wireless Radio Controls extensions CA, see:
178 * http://www.usb.org/developers/hidpage/HUTRR40RadioHIDUsagesFinal.pdf
179 */
180 #define HID_GD_WIRELESS_RADIO_CTLS 0x0001000c
181 /*
182 * System Multi-Axis, see:
183 * http://www.usb.org/developers/hidpage/HUTRR62_-_Generic_Desktop_CA_for_System_Multi-Axis_Controllers.txt
184 */
185 #define HID_GD_SYSTEM_MULTIAXIS 0x0001000e
186
187 #define HID_GD_X 0x00010030
188 #define HID_GD_Y 0x00010031
189 #define HID_GD_Z 0x00010032
190 #define HID_GD_RX 0x00010033
191 #define HID_GD_RY 0x00010034
192 #define HID_GD_RZ 0x00010035
193 #define HID_GD_SLIDER 0x00010036
194 #define HID_GD_DIAL 0x00010037
195 #define HID_GD_WHEEL 0x00010038
196 #define HID_GD_HATSWITCH 0x00010039
197 #define HID_GD_BUFFER 0x0001003a
198 #define HID_GD_BYTECOUNT 0x0001003b
199 #define HID_GD_MOTION 0x0001003c
200 #define HID_GD_START 0x0001003d
201 #define HID_GD_SELECT 0x0001003e
202 #define HID_GD_VX 0x00010040
203 #define HID_GD_VY 0x00010041
204 #define HID_GD_VZ 0x00010042
205 #define HID_GD_VBRX 0x00010043
206 #define HID_GD_VBRY 0x00010044
207 #define HID_GD_VBRZ 0x00010045
208 #define HID_GD_VNO 0x00010046
209 #define HID_GD_FEATURE 0x00010047
210 #define HID_GD_RESOLUTION_MULTIPLIER 0x00010048
211 #define HID_GD_SYSTEM_CONTROL 0x00010080
212 #define HID_GD_UP 0x00010090
213 #define HID_GD_DOWN 0x00010091
214 #define HID_GD_RIGHT 0x00010092
215 #define HID_GD_LEFT 0x00010093
216 /* Microsoft Win8 Wireless Radio Controls CA usage codes */
217 #define HID_GD_RFKILL_BTN 0x000100c6
218 #define HID_GD_RFKILL_LED 0x000100c7
219 #define HID_GD_RFKILL_SWITCH 0x000100c8
220
221 #define HID_DC_BATTERYSTRENGTH 0x00060020
222
223 #define HID_CP_CONSUMER_CONTROL 0x000c0001
224 #define HID_CP_AC_PAN 0x000c0238
225
226 #define HID_DG_DIGITIZER 0x000d0001
227 #define HID_DG_PEN 0x000d0002
228 #define HID_DG_LIGHTPEN 0x000d0003
229 #define HID_DG_TOUCHSCREEN 0x000d0004
230 #define HID_DG_TOUCHPAD 0x000d0005
231 #define HID_DG_WHITEBOARD 0x000d0006
232 #define HID_DG_STYLUS 0x000d0020
233 #define HID_DG_PUCK 0x000d0021
234 #define HID_DG_FINGER 0x000d0022
235 #define HID_DG_TIPPRESSURE 0x000d0030
236 #define HID_DG_BARRELPRESSURE 0x000d0031
237 #define HID_DG_INRANGE 0x000d0032
238 #define HID_DG_TOUCH 0x000d0033
239 #define HID_DG_UNTOUCH 0x000d0034
240 #define HID_DG_TAP 0x000d0035
241 #define HID_DG_TABLETFUNCTIONKEY 0x000d0039
242 #define HID_DG_PROGRAMCHANGEKEY 0x000d003a
243 #define HID_DG_BATTERYSTRENGTH 0x000d003b
244 #define HID_DG_INVERT 0x000d003c
245 #define HID_DG_TILT_X 0x000d003d
246 #define HID_DG_TILT_Y 0x000d003e
247 #define HID_DG_TWIST 0x000d0041
248 #define HID_DG_TIPSWITCH 0x000d0042
249 #define HID_DG_TIPSWITCH2 0x000d0043
250 #define HID_DG_BARRELSWITCH 0x000d0044
251 #define HID_DG_ERASER 0x000d0045
252 #define HID_DG_TABLETPICK 0x000d0046
253
254 #define HID_CP_CONSUMERCONTROL 0x000c0001
255 #define HID_CP_NUMERICKEYPAD 0x000c0002
256 #define HID_CP_PROGRAMMABLEBUTTONS 0x000c0003
257 #define HID_CP_MICROPHONE 0x000c0004
258 #define HID_CP_HEADPHONE 0x000c0005
259 #define HID_CP_GRAPHICEQUALIZER 0x000c0006
260 #define HID_CP_FUNCTIONBUTTONS 0x000c0036
261 #define HID_CP_SELECTION 0x000c0080
262 #define HID_CP_MEDIASELECTION 0x000c0087
263 #define HID_CP_SELECTDISC 0x000c00ba
264 #define HID_CP_PLAYBACKSPEED 0x000c00f1
265 #define HID_CP_PROXIMITY 0x000c0109
266 #define HID_CP_SPEAKERSYSTEM 0x000c0160
267 #define HID_CP_CHANNELLEFT 0x000c0161
268 #define HID_CP_CHANNELRIGHT 0x000c0162
269 #define HID_CP_CHANNELCENTER 0x000c0163
270 #define HID_CP_CHANNELFRONT 0x000c0164
271 #define HID_CP_CHANNELCENTERFRONT 0x000c0165
272 #define HID_CP_CHANNELSIDE 0x000c0166
273 #define HID_CP_CHANNELSURROUND 0x000c0167
274 #define HID_CP_CHANNELLOWFREQUENCYENHANCEMENT 0x000c0168
275 #define HID_CP_CHANNELTOP 0x000c0169
276 #define HID_CP_CHANNELUNKNOWN 0x000c016a
277 #define HID_CP_APPLICATIONLAUNCHBUTTONS 0x000c0180
278 #define HID_CP_GENERICGUIAPPLICATIONCONTROLS 0x000c0200
279
280 #define HID_DG_DEVICECONFIG 0x000d000e
281 #define HID_DG_DEVICESETTINGS 0x000d0023
282 #define HID_DG_AZIMUTH 0x000d003f
283 #define HID_DG_CONFIDENCE 0x000d0047
284 #define HID_DG_WIDTH 0x000d0048
285 #define HID_DG_HEIGHT 0x000d0049
286 #define HID_DG_CONTACTID 0x000d0051
287 #define HID_DG_INPUTMODE 0x000d0052
288 #define HID_DG_DEVICEINDEX 0x000d0053
289 #define HID_DG_CONTACTCOUNT 0x000d0054
290 #define HID_DG_CONTACTMAX 0x000d0055
291 #define HID_DG_SCANTIME 0x000d0056
292 #define HID_DG_SURFACESWITCH 0x000d0057
293 #define HID_DG_BUTTONSWITCH 0x000d0058
294 #define HID_DG_BUTTONTYPE 0x000d0059
295 #define HID_DG_BARRELSWITCH2 0x000d005a
296 #define HID_DG_TOOLSERIALNUMBER 0x000d005b
297 #define HID_DG_LATENCYMODE 0x000d0060
298
299 #define HID_VD_ASUS_CUSTOM_MEDIA_KEYS 0xff310076
300 /*
301 * HID report types --- Ouch! HID spec says 1 2 3!
302 */
303
304 #define HID_INPUT_REPORT 0
305 #define HID_OUTPUT_REPORT 1
306 #define HID_FEATURE_REPORT 2
307
308 #define HID_REPORT_TYPES 3
309
310 /*
311 * HID connect requests
312 */
313
314 #define HID_CONNECT_HIDINPUT BIT(0)
315 #define HID_CONNECT_HIDINPUT_FORCE BIT(1)
316 #define HID_CONNECT_HIDRAW BIT(2)
317 #define HID_CONNECT_HIDDEV BIT(3)
318 #define HID_CONNECT_HIDDEV_FORCE BIT(4)
319 #define HID_CONNECT_FF BIT(5)
320 #define HID_CONNECT_DRIVER BIT(6)
321 #define HID_CONNECT_DEFAULT (HID_CONNECT_HIDINPUT|HID_CONNECT_HIDRAW| \
322 HID_CONNECT_HIDDEV|HID_CONNECT_FF)
323
324 /*
325 * HID device quirks.
326 */
327
328 /*
329 * Increase this if you need to configure more HID quirks at module load time
330 */
331 #define MAX_USBHID_BOOT_QUIRKS 4
332
333 #define HID_QUIRK_INVERT BIT(0)
334 #define HID_QUIRK_NOTOUCH BIT(1)
335 #define HID_QUIRK_IGNORE BIT(2)
336 #define HID_QUIRK_NOGET BIT(3)
337 #define HID_QUIRK_HIDDEV_FORCE BIT(4)
338 #define HID_QUIRK_BADPAD BIT(5)
339 #define HID_QUIRK_MULTI_INPUT BIT(6)
340 #define HID_QUIRK_HIDINPUT_FORCE BIT(7)
341 /* BIT(8) reserved for backward compatibility, was HID_QUIRK_NO_EMPTY_INPUT */
342 /* BIT(9) reserved for backward compatibility, was NO_INIT_INPUT_REPORTS */
343 #define HID_QUIRK_ALWAYS_POLL BIT(10)
344 #define HID_QUIRK_INPUT_PER_APP BIT(11)
345 #define HID_QUIRK_SKIP_OUTPUT_REPORTS BIT(16)
346 #define HID_QUIRK_SKIP_OUTPUT_REPORT_ID BIT(17)
347 #define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP BIT(18)
348 #define HID_QUIRK_HAVE_SPECIAL_DRIVER BIT(19)
349 #define HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE BIT(20)
350 #define HID_QUIRK_FULLSPEED_INTERVAL BIT(28)
351 #define HID_QUIRK_NO_INIT_REPORTS BIT(29)
352 #define HID_QUIRK_NO_IGNORE BIT(30)
353 #define HID_QUIRK_NO_INPUT_SYNC BIT(31)
354
355 /*
356 * HID device groups
357 *
358 * Note: HID_GROUP_ANY is declared in linux/mod_devicetable.h
359 * and has a value of 0x0000
360 */
361 #define HID_GROUP_GENERIC 0x0001
362 #define HID_GROUP_MULTITOUCH 0x0002
363 #define HID_GROUP_SENSOR_HUB 0x0003
364 #define HID_GROUP_MULTITOUCH_WIN_8 0x0004
365
366 /*
367 * Vendor specific HID device groups
368 */
369 #define HID_GROUP_RMI 0x0100
370 #define HID_GROUP_WACOM 0x0101
371 #define HID_GROUP_LOGITECH_DJ_DEVICE 0x0102
372 #define HID_GROUP_STEAM 0x0103
373 #define HID_GROUP_LOGITECH_27MHZ_DEVICE 0x0104
374
375 /*
376 * HID protocol status
377 */
378 #define HID_REPORT_PROTOCOL 1
379 #define HID_BOOT_PROTOCOL 0
380
381 /*
382 * This is the global environment of the parser. This information is
383 * persistent for main-items. The global environment can be saved and
384 * restored with PUSH/POP statements.
385 */
386
387 struct hid_global {
388 unsigned usage_page;
389 __s32 logical_minimum;
390 __s32 logical_maximum;
391 __s32 physical_minimum;
392 __s32 physical_maximum;
393 __s32 unit_exponent;
394 unsigned unit;
395 unsigned report_id;
396 unsigned report_size;
397 unsigned report_count;
398 };
399
400 /*
401 * This is the local environment. It is persistent up the next main-item.
402 */
403
404 #define HID_MAX_USAGES 12288
405 #define HID_DEFAULT_NUM_COLLECTIONS 16
406
407 struct hid_local {
408 unsigned usage[HID_MAX_USAGES]; /* usage array */
409 u8 usage_size[HID_MAX_USAGES]; /* usage size array */
410 unsigned collection_index[HID_MAX_USAGES]; /* collection index array */
411 unsigned usage_index;
412 unsigned usage_minimum;
413 unsigned delimiter_depth;
414 unsigned delimiter_branch;
415 };
416
417 /*
418 * This is the collection stack. We climb up the stack to determine
419 * application and function of each field.
420 */
421
422 struct hid_collection {
423 int parent_idx; /* device->collection */
424 unsigned type;
425 unsigned usage;
426 unsigned level;
427 };
428
429 struct hid_usage {
430 unsigned hid; /* hid usage code */
431 unsigned collection_index; /* index into collection array */
432 unsigned usage_index; /* index into usage array */
433 __s8 resolution_multiplier;/* Effective Resolution Multiplier
434 (HUT v1.12, 4.3.1), default: 1 */
435 /* hidinput data */
436 __s8 wheel_factor; /* 120/resolution_multiplier */
437 __u16 code; /* input driver code */
438 __u8 type; /* input driver type */
439 __s8 hat_min; /* hat switch fun */
440 __s8 hat_max; /* ditto */
441 __s8 hat_dir; /* ditto */
442 __s16 wheel_accumulated; /* hi-res wheel */
443 };
444
445 struct hid_input;
446
447 struct hid_field {
448 unsigned physical; /* physical usage for this field */
449 unsigned logical; /* logical usage for this field */
450 unsigned application; /* application usage for this field */
451 struct hid_usage *usage; /* usage table for this function */
452 unsigned maxusage; /* maximum usage index */
453 unsigned flags; /* main-item flags (i.e. volatile,array,constant) */
454 unsigned report_offset; /* bit offset in the report */
455 unsigned report_size; /* size of this field in the report */
456 unsigned report_count; /* number of this field in the report */
457 unsigned report_type; /* (input,output,feature) */
458 __s32 *value; /* last known value(s) */
459 __s32 logical_minimum;
460 __s32 logical_maximum;
461 __s32 physical_minimum;
462 __s32 physical_maximum;
463 __s32 unit_exponent;
464 unsigned unit;
465 struct hid_report *report; /* associated report */
466 unsigned index; /* index into report->field[] */
467 /* hidinput data */
468 struct hid_input *hidinput; /* associated input structure */
469 __u16 dpad; /* dpad input code */
470 };
471
472 #define HID_MAX_FIELDS 256
473
474 struct hid_report {
475 struct list_head list;
476 struct list_head hidinput_list;
477 unsigned int id; /* id of this report */
478 unsigned int type; /* report type */
479 unsigned int application; /* application usage for this report */
480 struct hid_field *field[HID_MAX_FIELDS]; /* fields of the report */
481 unsigned maxfield; /* maximum valid field index */
482 unsigned size; /* size of the report (bits) */
483 struct hid_device *device; /* associated device */
484 };
485
486 #define HID_MAX_IDS 256
487
488 struct hid_report_enum {
489 unsigned numbered;
490 struct list_head report_list;
491 struct hid_report *report_id_hash[HID_MAX_IDS];
492 };
493
494 #define HID_MIN_BUFFER_SIZE 64 /* make sure there is at least a packet size of space */
495 #define HID_MAX_BUFFER_SIZE 4096 /* 4kb */
496 #define HID_CONTROL_FIFO_SIZE 256 /* to init devices with >100 reports */
497 #define HID_OUTPUT_FIFO_SIZE 64
498
499 struct hid_control_fifo {
500 unsigned char dir;
501 struct hid_report *report;
502 char *raw_report;
503 };
504
505 struct hid_output_fifo {
506 struct hid_report *report;
507 char *raw_report;
508 };
509
510 #define HID_CLAIMED_INPUT BIT(0)
511 #define HID_CLAIMED_HIDDEV BIT(1)
512 #define HID_CLAIMED_HIDRAW BIT(2)
513 #define HID_CLAIMED_DRIVER BIT(3)
514
515 #define HID_STAT_ADDED BIT(0)
516 #define HID_STAT_PARSED BIT(1)
517 #define HID_STAT_DUP_DETECTED BIT(2)
518 #define HID_STAT_REPROBED BIT(3)
519
520 struct hid_input {
521 struct list_head list;
522 struct hid_report *report;
523 struct input_dev *input;
524 const char *name;
525 bool registered;
526 struct list_head reports; /* the list of reports */
527 unsigned int application; /* application usage for this input */
528 };
529
530 enum hid_type {
531 HID_TYPE_OTHER = 0,
532 HID_TYPE_USBMOUSE,
533 HID_TYPE_USBNONE
534 };
535
536 enum hid_battery_status {
537 HID_BATTERY_UNKNOWN = 0,
538 HID_BATTERY_QUERIED, /* Kernel explicitly queried battery strength */
539 HID_BATTERY_REPORTED, /* Device sent unsolicited battery strength report */
540 };
541
542 struct hid_driver;
543 struct hid_ll_driver;
544
545 struct hid_device { /* device report descriptor */
546 __u8 *dev_rdesc;
547 unsigned dev_rsize;
548 __u8 *rdesc;
549 unsigned rsize;
550 struct hid_collection *collection; /* List of HID collections */
551 unsigned collection_size; /* Number of allocated hid_collections */
552 unsigned maxcollection; /* Number of parsed collections */
553 unsigned maxapplication; /* Number of applications */
554 __u16 bus; /* BUS ID */
555 __u16 group; /* Report group */
556 __u32 vendor; /* Vendor ID */
557 __u32 product; /* Product ID */
558 __u32 version; /* HID version */
559 enum hid_type type; /* device type (mouse, kbd, ...) */
560 unsigned country; /* HID country */
561 struct hid_report_enum report_enum[HID_REPORT_TYPES];
562 struct work_struct led_work; /* delayed LED worker */
563
564 struct semaphore driver_input_lock; /* protects the current driver */
565 struct device dev; /* device */
566 struct hid_driver *driver;
567
568 struct hid_ll_driver *ll_driver;
569 struct mutex ll_open_lock;
570 unsigned int ll_open_count;
571
572 #ifdef CONFIG_HID_BATTERY_STRENGTH
573 /*
574 * Power supply information for HID devices which report
575 * battery strength. power_supply was successfully registered if
576 * battery is non-NULL.
577 */
578 struct power_supply *battery;
579 __s32 battery_capacity;
580 __s32 battery_min;
581 __s32 battery_max;
582 __s32 battery_report_type;
583 __s32 battery_report_id;
584 enum hid_battery_status battery_status;
585 bool battery_avoid_query;
586 #endif
587
588 unsigned long status; /* see STAT flags above */
589 unsigned claimed; /* Claimed by hidinput, hiddev? */
590 unsigned quirks; /* Various quirks the device can pull on us */
591 bool io_started; /* If IO has started */
592
593 struct list_head inputs; /* The list of inputs */
594 void *hiddev; /* The hiddev structure */
595 void *hidraw;
596
597 char name[128]; /* Device name */
598 char phys[64]; /* Device physical location */
599 char uniq[64]; /* Device unique identifier (serial #) */
600
601 void *driver_data;
602
603 /* temporary hid_ff handling (until moved to the drivers) */
604 int (*ff_init)(struct hid_device *);
605
606 /* hiddev event handler */
607 int (*hiddev_connect)(struct hid_device *, unsigned int);
608 void (*hiddev_disconnect)(struct hid_device *);
609 void (*hiddev_hid_event) (struct hid_device *, struct hid_field *field,
610 struct hid_usage *, __s32);
611 void (*hiddev_report_event) (struct hid_device *, struct hid_report *);
612
613 /* debugging support via debugfs */
614 unsigned short debug;
615 struct dentry *debug_dir;
616 struct dentry *debug_rdesc;
617 struct dentry *debug_events;
618 struct list_head debug_list;
619 spinlock_t debug_list_lock;
620 wait_queue_head_t debug_wait;
621 };
622
623 #define to_hid_device(pdev) \
624 container_of(pdev, struct hid_device, dev)
625
hid_get_drvdata(struct hid_device * hdev)626 static inline void *hid_get_drvdata(struct hid_device *hdev)
627 {
628 return dev_get_drvdata(&hdev->dev);
629 }
630
hid_set_drvdata(struct hid_device * hdev,void * data)631 static inline void hid_set_drvdata(struct hid_device *hdev, void *data)
632 {
633 dev_set_drvdata(&hdev->dev, data);
634 }
635
636 #define HID_GLOBAL_STACK_SIZE 4
637 #define HID_COLLECTION_STACK_SIZE 4
638
639 #define HID_SCAN_FLAG_MT_WIN_8 BIT(0)
640 #define HID_SCAN_FLAG_VENDOR_SPECIFIC BIT(1)
641 #define HID_SCAN_FLAG_GD_POINTER BIT(2)
642
643 struct hid_parser {
644 struct hid_global global;
645 struct hid_global global_stack[HID_GLOBAL_STACK_SIZE];
646 unsigned int global_stack_ptr;
647 struct hid_local local;
648 unsigned int *collection_stack;
649 unsigned int collection_stack_ptr;
650 unsigned int collection_stack_size;
651 struct hid_device *device;
652 unsigned int scan_flags;
653 };
654
655 struct hid_class_descriptor {
656 __u8 bDescriptorType;
657 __le16 wDescriptorLength;
658 } __attribute__ ((packed));
659
660 struct hid_descriptor {
661 __u8 bLength;
662 __u8 bDescriptorType;
663 __le16 bcdHID;
664 __u8 bCountryCode;
665 __u8 bNumDescriptors;
666
667 struct hid_class_descriptor desc[1];
668 } __attribute__ ((packed));
669
670 #define HID_DEVICE(b, g, ven, prod) \
671 .bus = (b), .group = (g), .vendor = (ven), .product = (prod)
672 #define HID_USB_DEVICE(ven, prod) \
673 .bus = BUS_USB, .vendor = (ven), .product = (prod)
674 #define HID_BLUETOOTH_DEVICE(ven, prod) \
675 .bus = BUS_BLUETOOTH, .vendor = (ven), .product = (prod)
676 #define HID_I2C_DEVICE(ven, prod) \
677 .bus = BUS_I2C, .vendor = (ven), .product = (prod)
678
679 #define HID_REPORT_ID(rep) \
680 .report_type = (rep)
681 #define HID_USAGE_ID(uhid, utype, ucode) \
682 .usage_hid = (uhid), .usage_type = (utype), .usage_code = (ucode)
683 /* we don't want to catch types and codes equal to 0 */
684 #define HID_TERMINATOR (HID_ANY_ID - 1)
685
686 struct hid_report_id {
687 __u32 report_type;
688 };
689 struct hid_usage_id {
690 __u32 usage_hid;
691 __u32 usage_type;
692 __u32 usage_code;
693 };
694
695 /**
696 * struct hid_driver
697 * @name: driver name (e.g. "Footech_bar-wheel")
698 * @id_table: which devices is this driver for (must be non-NULL for probe
699 * to be called)
700 * @dyn_list: list of dynamically added device ids
701 * @dyn_lock: lock protecting @dyn_list
702 * @match: check if the given device is handled by this driver
703 * @probe: new device inserted
704 * @remove: device removed (NULL if not a hot-plug capable driver)
705 * @report_table: on which reports to call raw_event (NULL means all)
706 * @raw_event: if report in report_table, this hook is called (NULL means nop)
707 * @usage_table: on which events to call event (NULL means all)
708 * @event: if usage in usage_table, this hook is called (NULL means nop)
709 * @report: this hook is called after parsing a report (NULL means nop)
710 * @report_fixup: called before report descriptor parsing (NULL means nop)
711 * @input_mapping: invoked on input registering before mapping an usage
712 * @input_mapped: invoked on input registering after mapping an usage
713 * @input_configured: invoked just before the device is registered
714 * @feature_mapping: invoked on feature registering
715 * @suspend: invoked on suspend (NULL means nop)
716 * @resume: invoked on resume if device was not reset (NULL means nop)
717 * @reset_resume: invoked on resume if device was reset (NULL means nop)
718 *
719 * probe should return -errno on error, or 0 on success. During probe,
720 * input will not be passed to raw_event unless hid_device_io_start is
721 * called.
722 *
723 * raw_event and event should return negative on error, any other value will
724 * pass the event on to .event() typically return 0 for success.
725 *
726 * input_mapping shall return a negative value to completely ignore this usage
727 * (e.g. doubled or invalid usage), zero to continue with parsing of this
728 * usage by generic code (no special handling needed) or positive to skip
729 * generic parsing (needed special handling which was done in the hook already)
730 * input_mapped shall return negative to inform the layer that this usage
731 * should not be considered for further processing or zero to notify that
732 * no processing was performed and should be done in a generic manner
733 * Both these functions may be NULL which means the same behavior as returning
734 * zero from them.
735 */
736 struct hid_driver {
737 char *name;
738 const struct hid_device_id *id_table;
739
740 struct list_head dyn_list;
741 spinlock_t dyn_lock;
742
743 bool (*match)(struct hid_device *dev, bool ignore_special_driver);
744 int (*probe)(struct hid_device *dev, const struct hid_device_id *id);
745 void (*remove)(struct hid_device *dev);
746
747 const struct hid_report_id *report_table;
748 int (*raw_event)(struct hid_device *hdev, struct hid_report *report,
749 u8 *data, int size);
750 const struct hid_usage_id *usage_table;
751 int (*event)(struct hid_device *hdev, struct hid_field *field,
752 struct hid_usage *usage, __s32 value);
753 void (*report)(struct hid_device *hdev, struct hid_report *report);
754
755 __u8 *(*report_fixup)(struct hid_device *hdev, __u8 *buf,
756 unsigned int *size);
757
758 int (*input_mapping)(struct hid_device *hdev,
759 struct hid_input *hidinput, struct hid_field *field,
760 struct hid_usage *usage, unsigned long **bit, int *max);
761 int (*input_mapped)(struct hid_device *hdev,
762 struct hid_input *hidinput, struct hid_field *field,
763 struct hid_usage *usage, unsigned long **bit, int *max);
764 int (*input_configured)(struct hid_device *hdev,
765 struct hid_input *hidinput);
766 void (*feature_mapping)(struct hid_device *hdev,
767 struct hid_field *field,
768 struct hid_usage *usage);
769 #ifdef CONFIG_PM
770 int (*suspend)(struct hid_device *hdev, pm_message_t message);
771 int (*resume)(struct hid_device *hdev);
772 int (*reset_resume)(struct hid_device *hdev);
773 #endif
774 /* private: */
775 struct device_driver driver;
776 };
777
778 #define to_hid_driver(pdrv) \
779 container_of(pdrv, struct hid_driver, driver)
780
781 /**
782 * hid_ll_driver - low level driver callbacks
783 * @start: called on probe to start the device
784 * @stop: called on remove
785 * @open: called by input layer on open
786 * @close: called by input layer on close
787 * @power: request underlying hardware to enter requested power mode
788 * @parse: this method is called only once to parse the device data,
789 * shouldn't allocate anything to not leak memory
790 * @request: send report request to device (e.g. feature report)
791 * @wait: wait for buffered io to complete (send/recv reports)
792 * @raw_request: send raw report request to device (e.g. feature report)
793 * @output_report: send output report to device
794 * @idle: send idle request to device
795 */
796 struct hid_ll_driver {
797 int (*start)(struct hid_device *hdev);
798 void (*stop)(struct hid_device *hdev);
799
800 int (*open)(struct hid_device *hdev);
801 void (*close)(struct hid_device *hdev);
802
803 int (*power)(struct hid_device *hdev, int level);
804
805 int (*parse)(struct hid_device *hdev);
806
807 void (*request)(struct hid_device *hdev,
808 struct hid_report *report, int reqtype);
809
810 int (*wait)(struct hid_device *hdev);
811
812 int (*raw_request) (struct hid_device *hdev, unsigned char reportnum,
813 __u8 *buf, size_t len, unsigned char rtype,
814 int reqtype);
815
816 int (*output_report) (struct hid_device *hdev, __u8 *buf, size_t len);
817
818 int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype);
819 };
820
821 extern struct hid_ll_driver i2c_hid_ll_driver;
822 extern struct hid_ll_driver hidp_hid_driver;
823 extern struct hid_ll_driver uhid_hid_driver;
824 extern struct hid_ll_driver usb_hid_driver;
825
hid_is_using_ll_driver(struct hid_device * hdev,struct hid_ll_driver * driver)826 static inline bool hid_is_using_ll_driver(struct hid_device *hdev,
827 struct hid_ll_driver *driver)
828 {
829 return hdev->ll_driver == driver;
830 }
831
832 #define PM_HINT_FULLON 1<<5
833 #define PM_HINT_NORMAL 1<<1
834
835 /* Applications from HID Usage Tables 4/8/99 Version 1.1 */
836 /* We ignore a few input applications that are not widely used */
837 #define IS_INPUT_APPLICATION(a) \
838 (((a >= HID_UP_GENDESK) && (a <= HID_GD_MULTIAXIS)) \
839 || ((a >= HID_DG_PEN) && (a <= HID_DG_WHITEBOARD)) \
840 || (a == HID_GD_SYSTEM_CONTROL) || (a == HID_CP_CONSUMER_CONTROL) \
841 || (a == HID_GD_WIRELESS_RADIO_CTLS))
842
843 /* HID core API */
844
845 extern int hid_debug;
846
847 extern bool hid_ignore(struct hid_device *);
848 extern int hid_add_device(struct hid_device *);
849 extern void hid_destroy_device(struct hid_device *);
850
851 extern struct bus_type hid_bus_type;
852
853 extern int __must_check __hid_register_driver(struct hid_driver *,
854 struct module *, const char *mod_name);
855
856 /* use a define to avoid include chaining to get THIS_MODULE & friends */
857 #define hid_register_driver(driver) \
858 __hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
859
860 extern void hid_unregister_driver(struct hid_driver *);
861
862 /**
863 * module_hid_driver() - Helper macro for registering a HID driver
864 * @__hid_driver: hid_driver struct
865 *
866 * Helper macro for HID drivers which do not do anything special in module
867 * init/exit. This eliminates a lot of boilerplate. Each module may only
868 * use this macro once, and calling it replaces module_init() and module_exit()
869 */
870 #define module_hid_driver(__hid_driver) \
871 module_driver(__hid_driver, hid_register_driver, \
872 hid_unregister_driver)
873
874 extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32);
875 extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report);
876 extern int hidinput_connect(struct hid_device *hid, unsigned int force);
877 extern void hidinput_disconnect(struct hid_device *);
878
879 int hid_set_field(struct hid_field *, unsigned, __s32);
880 int hid_input_report(struct hid_device *, int type, u8 *, u32, int);
881 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field);
882 struct hid_field *hidinput_get_led_field(struct hid_device *hid);
883 unsigned int hidinput_count_leds(struct hid_device *hid);
884 __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code);
885 void hid_output_report(struct hid_report *report, __u8 *data);
886 int __hid_request(struct hid_device *hid, struct hid_report *rep, int reqtype);
887 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags);
888 struct hid_device *hid_allocate_device(void);
889 struct hid_report *hid_register_report(struct hid_device *device,
890 unsigned int type, unsigned int id,
891 unsigned int application);
892 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size);
893 struct hid_report *hid_validate_values(struct hid_device *hid,
894 unsigned int type, unsigned int id,
895 unsigned int field_index,
896 unsigned int report_counts);
897
898 void hid_setup_resolution_multiplier(struct hid_device *hid);
899 int hid_open_report(struct hid_device *device);
900 int hid_check_keys_pressed(struct hid_device *hid);
901 int hid_connect(struct hid_device *hid, unsigned int connect_mask);
902 void hid_disconnect(struct hid_device *hid);
903 bool hid_match_one_id(const struct hid_device *hdev,
904 const struct hid_device_id *id);
905 const struct hid_device_id *hid_match_id(const struct hid_device *hdev,
906 const struct hid_device_id *id);
907 const struct hid_device_id *hid_match_device(struct hid_device *hdev,
908 struct hid_driver *hdrv);
909 bool hid_compare_device_paths(struct hid_device *hdev_a,
910 struct hid_device *hdev_b, char separator);
911 s32 hid_snto32(__u32 value, unsigned n);
912 __u32 hid_field_extract(const struct hid_device *hid, __u8 *report,
913 unsigned offset, unsigned n);
914
915 /**
916 * hid_device_io_start - enable HID input during probe, remove
917 *
918 * @hid - the device
919 *
920 * This should only be called during probe or remove and only be
921 * called by the thread calling probe or remove. It will allow
922 * incoming packets to be delivered to the driver.
923 */
hid_device_io_start(struct hid_device * hid)924 static inline void hid_device_io_start(struct hid_device *hid) {
925 if (hid->io_started) {
926 dev_warn(&hid->dev, "io already started\n");
927 return;
928 }
929 hid->io_started = true;
930 up(&hid->driver_input_lock);
931 }
932
933 /**
934 * hid_device_io_stop - disable HID input during probe, remove
935 *
936 * @hid - the device
937 *
938 * Should only be called after hid_device_io_start. It will prevent
939 * incoming packets from going to the driver for the duration of
940 * probe, remove. If called during probe, packets will still go to the
941 * driver after probe is complete. This function should only be called
942 * by the thread calling probe or remove.
943 */
hid_device_io_stop(struct hid_device * hid)944 static inline void hid_device_io_stop(struct hid_device *hid) {
945 if (!hid->io_started) {
946 dev_warn(&hid->dev, "io already stopped\n");
947 return;
948 }
949 hid->io_started = false;
950 down(&hid->driver_input_lock);
951 }
952
953 /**
954 * hid_map_usage - map usage input bits
955 *
956 * @hidinput: hidinput which we are interested in
957 * @usage: usage to fill in
958 * @bit: pointer to input->{}bit (out parameter)
959 * @max: maximal valid usage->code to consider later (out parameter)
960 * @type: input event type (EV_KEY, EV_REL, ...)
961 * @c: code which corresponds to this usage and type
962 */
hid_map_usage(struct hid_input * hidinput,struct hid_usage * usage,unsigned long ** bit,int * max,__u8 type,__u16 c)963 static inline void hid_map_usage(struct hid_input *hidinput,
964 struct hid_usage *usage, unsigned long **bit, int *max,
965 __u8 type, __u16 c)
966 {
967 struct input_dev *input = hidinput->input;
968
969 usage->type = type;
970 usage->code = c;
971
972 switch (type) {
973 case EV_ABS:
974 *bit = input->absbit;
975 *max = ABS_MAX;
976 break;
977 case EV_REL:
978 *bit = input->relbit;
979 *max = REL_MAX;
980 break;
981 case EV_KEY:
982 *bit = input->keybit;
983 *max = KEY_MAX;
984 break;
985 case EV_LED:
986 *bit = input->ledbit;
987 *max = LED_MAX;
988 break;
989 }
990 }
991
992 /**
993 * hid_map_usage_clear - map usage input bits and clear the input bit
994 *
995 * The same as hid_map_usage, except the @c bit is also cleared in supported
996 * bits (@bit).
997 */
hid_map_usage_clear(struct hid_input * hidinput,struct hid_usage * usage,unsigned long ** bit,int * max,__u8 type,__u16 c)998 static inline void hid_map_usage_clear(struct hid_input *hidinput,
999 struct hid_usage *usage, unsigned long **bit, int *max,
1000 __u8 type, __u16 c)
1001 {
1002 hid_map_usage(hidinput, usage, bit, max, type, c);
1003 clear_bit(c, *bit);
1004 }
1005
1006 /**
1007 * hid_parse - parse HW reports
1008 *
1009 * @hdev: hid device
1010 *
1011 * Call this from probe after you set up the device (if needed). Your
1012 * report_fixup will be called (if non-NULL) after reading raw report from
1013 * device before passing it to hid layer for real parsing.
1014 */
hid_parse(struct hid_device * hdev)1015 static inline int __must_check hid_parse(struct hid_device *hdev)
1016 {
1017 return hid_open_report(hdev);
1018 }
1019
1020 int __must_check hid_hw_start(struct hid_device *hdev,
1021 unsigned int connect_mask);
1022 void hid_hw_stop(struct hid_device *hdev);
1023 int __must_check hid_hw_open(struct hid_device *hdev);
1024 void hid_hw_close(struct hid_device *hdev);
1025
1026 /**
1027 * hid_hw_power - requests underlying HW to go into given power mode
1028 *
1029 * @hdev: hid device
1030 * @level: requested power level (one of %PM_HINT_* defines)
1031 *
1032 * This function requests underlying hardware to enter requested power
1033 * mode.
1034 */
1035
hid_hw_power(struct hid_device * hdev,int level)1036 static inline int hid_hw_power(struct hid_device *hdev, int level)
1037 {
1038 return hdev->ll_driver->power ? hdev->ll_driver->power(hdev, level) : 0;
1039 }
1040
1041
1042 /**
1043 * hid_hw_request - send report request to device
1044 *
1045 * @hdev: hid device
1046 * @report: report to send
1047 * @reqtype: hid request type
1048 */
hid_hw_request(struct hid_device * hdev,struct hid_report * report,int reqtype)1049 static inline void hid_hw_request(struct hid_device *hdev,
1050 struct hid_report *report, int reqtype)
1051 {
1052 if (hdev->ll_driver->request)
1053 return hdev->ll_driver->request(hdev, report, reqtype);
1054
1055 __hid_request(hdev, report, reqtype);
1056 }
1057
1058 /**
1059 * hid_hw_raw_request - send report request to device
1060 *
1061 * @hdev: hid device
1062 * @reportnum: report ID
1063 * @buf: in/out data to transfer
1064 * @len: length of buf
1065 * @rtype: HID report type
1066 * @reqtype: HID_REQ_GET_REPORT or HID_REQ_SET_REPORT
1067 *
1068 * @return: count of data transfered, negative if error
1069 *
1070 * Same behavior as hid_hw_request, but with raw buffers instead.
1071 */
hid_hw_raw_request(struct hid_device * hdev,unsigned char reportnum,__u8 * buf,size_t len,unsigned char rtype,int reqtype)1072 static inline int hid_hw_raw_request(struct hid_device *hdev,
1073 unsigned char reportnum, __u8 *buf,
1074 size_t len, unsigned char rtype, int reqtype)
1075 {
1076 if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf)
1077 return -EINVAL;
1078
1079 return hdev->ll_driver->raw_request(hdev, reportnum, buf, len,
1080 rtype, reqtype);
1081 }
1082
1083 /**
1084 * hid_hw_output_report - send output report to device
1085 *
1086 * @hdev: hid device
1087 * @buf: raw data to transfer
1088 * @len: length of buf
1089 *
1090 * @return: count of data transfered, negative if error
1091 */
hid_hw_output_report(struct hid_device * hdev,__u8 * buf,size_t len)1092 static inline int hid_hw_output_report(struct hid_device *hdev, __u8 *buf,
1093 size_t len)
1094 {
1095 if (len < 1 || len > HID_MAX_BUFFER_SIZE || !buf)
1096 return -EINVAL;
1097
1098 if (hdev->ll_driver->output_report)
1099 return hdev->ll_driver->output_report(hdev, buf, len);
1100
1101 return -ENOSYS;
1102 }
1103
1104 /**
1105 * hid_hw_idle - send idle request to device
1106 *
1107 * @hdev: hid device
1108 * @report: report to control
1109 * @idle: idle state
1110 * @reqtype: hid request type
1111 */
hid_hw_idle(struct hid_device * hdev,int report,int idle,int reqtype)1112 static inline int hid_hw_idle(struct hid_device *hdev, int report, int idle,
1113 int reqtype)
1114 {
1115 if (hdev->ll_driver->idle)
1116 return hdev->ll_driver->idle(hdev, report, idle, reqtype);
1117
1118 return 0;
1119 }
1120
1121 /**
1122 * hid_hw_wait - wait for buffered io to complete
1123 *
1124 * @hdev: hid device
1125 */
hid_hw_wait(struct hid_device * hdev)1126 static inline void hid_hw_wait(struct hid_device *hdev)
1127 {
1128 if (hdev->ll_driver->wait)
1129 hdev->ll_driver->wait(hdev);
1130 }
1131
1132 /**
1133 * hid_report_len - calculate the report length
1134 *
1135 * @report: the report we want to know the length
1136 */
hid_report_len(struct hid_report * report)1137 static inline u32 hid_report_len(struct hid_report *report)
1138 {
1139 /* equivalent to DIV_ROUND_UP(report->size, 8) + !!(report->id > 0) */
1140 return ((report->size - 1) >> 3) + 1 + (report->id > 0);
1141 }
1142
1143 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size,
1144 int interrupt);
1145
1146 /* HID quirks API */
1147 unsigned long hid_lookup_quirk(const struct hid_device *hdev);
1148 int hid_quirks_init(char **quirks_param, __u16 bus, int count);
1149 void hid_quirks_exit(__u16 bus);
1150
1151 #ifdef CONFIG_HID_PID
1152 int hid_pidff_init(struct hid_device *hid);
1153 #else
1154 #define hid_pidff_init NULL
1155 #endif
1156
1157 #define dbg_hid(fmt, ...) \
1158 do { \
1159 if (hid_debug) \
1160 printk(KERN_DEBUG "%s: " fmt, __FILE__, ##__VA_ARGS__); \
1161 } while (0)
1162
1163 #define hid_err(hid, fmt, ...) \
1164 dev_err(&(hid)->dev, fmt, ##__VA_ARGS__)
1165 #define hid_notice(hid, fmt, ...) \
1166 dev_notice(&(hid)->dev, fmt, ##__VA_ARGS__)
1167 #define hid_warn(hid, fmt, ...) \
1168 dev_warn(&(hid)->dev, fmt, ##__VA_ARGS__)
1169 #define hid_info(hid, fmt, ...) \
1170 dev_info(&(hid)->dev, fmt, ##__VA_ARGS__)
1171 #define hid_dbg(hid, fmt, ...) \
1172 dev_dbg(&(hid)->dev, fmt, ##__VA_ARGS__)
1173
1174 #define hid_err_once(hid, fmt, ...) \
1175 dev_err_once(&(hid)->dev, fmt, ##__VA_ARGS__)
1176 #define hid_notice_once(hid, fmt, ...) \
1177 dev_notice_once(&(hid)->dev, fmt, ##__VA_ARGS__)
1178 #define hid_warn_once(hid, fmt, ...) \
1179 dev_warn_once(&(hid)->dev, fmt, ##__VA_ARGS__)
1180 #define hid_info_once(hid, fmt, ...) \
1181 dev_info_once(&(hid)->dev, fmt, ##__VA_ARGS__)
1182 #define hid_dbg_once(hid, fmt, ...) \
1183 dev_dbg_once(&(hid)->dev, fmt, ##__VA_ARGS__)
1184
1185 #endif
1186
