5 * Copyright (c) 1999 Andreas Gal
6 * Copyright (c) 2000-2001 Vojtech Pavlik
7 * Copyright (c) 2006-2007 Jiri Kosina
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 * Should you need to contact me, the author, you can do so either by
26 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
27 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
31 * USB HID (Human Interface Device) interface class code
34 #define USB_INTERFACE_CLASS_HID 3
37 * USB HID interface subclass and protocol codes
40 #define USB_INTERFACE_SUBCLASS_BOOT 1
41 #define USB_INTERFACE_PROTOCOL_KEYBOARD 1
42 #define USB_INTERFACE_PROTOCOL_MOUSE 2
48 #define HID_REQ_GET_REPORT 0x01
49 #define HID_REQ_GET_IDLE 0x02
50 #define HID_REQ_GET_PROTOCOL 0x03
51 #define HID_REQ_SET_REPORT 0x09
52 #define HID_REQ_SET_IDLE 0x0A
53 #define HID_REQ_SET_PROTOCOL 0x0B
56 * HID class descriptor types
59 #define HID_DT_HID (USB_TYPE_CLASS | 0x01)
60 #define HID_DT_REPORT (USB_TYPE_CLASS | 0x02)
61 #define HID_DT_PHYSICAL (USB_TYPE_CLASS | 0x03)
63 #define HID_MAX_DESCRIPTOR_SIZE 4096
67 #include <linux/types.h>
68 #include <linux/slab.h>
69 #include <linux/list.h>
70 #include <linux/mod_devicetable.h> /* hid_device_id */
71 #include <linux/timer.h>
72 #include <linux/workqueue.h>
73 #include <linux/input.h>
76 * We parse each description item into this structure. Short items data
77 * values are expanded to 32-bit signed int, long items contain a pointer
98 * HID report item format
101 #define HID_ITEM_FORMAT_SHORT 0
102 #define HID_ITEM_FORMAT_LONG 1
105 * Special tag indicating long items
108 #define HID_ITEM_TAG_LONG 15
111 * HID report descriptor item type (prefix bit 2,3)
114 #define HID_ITEM_TYPE_MAIN 0
115 #define HID_ITEM_TYPE_GLOBAL 1
116 #define HID_ITEM_TYPE_LOCAL 2
117 #define HID_ITEM_TYPE_RESERVED 3
120 * HID report descriptor main item tags
123 #define HID_MAIN_ITEM_TAG_INPUT 8
124 #define HID_MAIN_ITEM_TAG_OUTPUT 9
125 #define HID_MAIN_ITEM_TAG_FEATURE 11
126 #define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION 10
127 #define HID_MAIN_ITEM_TAG_END_COLLECTION 12
130 * HID report descriptor main item contents
133 #define HID_MAIN_ITEM_CONSTANT 0x001
134 #define HID_MAIN_ITEM_VARIABLE 0x002
135 #define HID_MAIN_ITEM_RELATIVE 0x004
136 #define HID_MAIN_ITEM_WRAP 0x008
137 #define HID_MAIN_ITEM_NONLINEAR 0x010
138 #define HID_MAIN_ITEM_NO_PREFERRED 0x020
139 #define HID_MAIN_ITEM_NULL_STATE 0x040
140 #define HID_MAIN_ITEM_VOLATILE 0x080
141 #define HID_MAIN_ITEM_BUFFERED_BYTE 0x100
144 * HID report descriptor collection item types
147 #define HID_COLLECTION_PHYSICAL 0
148 #define HID_COLLECTION_APPLICATION 1
149 #define HID_COLLECTION_LOGICAL 2
152 * HID report descriptor global item tags
155 #define HID_GLOBAL_ITEM_TAG_USAGE_PAGE 0
156 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM 1
157 #define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM 2
158 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM 3
159 #define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM 4
160 #define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT 5
161 #define HID_GLOBAL_ITEM_TAG_UNIT 6
162 #define HID_GLOBAL_ITEM_TAG_REPORT_SIZE 7
163 #define HID_GLOBAL_ITEM_TAG_REPORT_ID 8
164 #define HID_GLOBAL_ITEM_TAG_REPORT_COUNT 9
165 #define HID_GLOBAL_ITEM_TAG_PUSH 10
166 #define HID_GLOBAL_ITEM_TAG_POP 11
169 * HID report descriptor local item tags
172 #define HID_LOCAL_ITEM_TAG_USAGE 0
173 #define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM 1
174 #define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM 2
175 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX 3
176 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM 4
177 #define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM 5
178 #define HID_LOCAL_ITEM_TAG_STRING_INDEX 7
179 #define HID_LOCAL_ITEM_TAG_STRING_MINIMUM 8
180 #define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM 9
181 #define HID_LOCAL_ITEM_TAG_DELIMITER 10
187 #define HID_USAGE_PAGE 0xffff0000
189 #define HID_UP_UNDEFINED 0x00000000
190 #define HID_UP_GENDESK 0x00010000
191 #define HID_UP_SIMULATION 0x00020000
192 #define HID_UP_KEYBOARD 0x00070000
193 #define HID_UP_LED 0x00080000
194 #define HID_UP_BUTTON 0x00090000
195 #define HID_UP_ORDINAL 0x000a0000
196 #define HID_UP_CONSUMER 0x000c0000
197 #define HID_UP_DIGITIZER 0x000d0000
198 #define HID_UP_PID 0x000f0000
199 #define HID_UP_HPVENDOR 0xff7f0000
200 #define HID_UP_MSVENDOR 0xff000000
201 #define HID_UP_CUSTOM 0x00ff0000
202 #define HID_UP_LOGIVENDOR 0xffbc0000
204 #define HID_USAGE 0x0000ffff
206 #define HID_GD_POINTER 0x00010001
207 #define HID_GD_MOUSE 0x00010002
208 #define HID_GD_JOYSTICK 0x00010004
209 #define HID_GD_GAMEPAD 0x00010005
210 #define HID_GD_KEYBOARD 0x00010006
211 #define HID_GD_KEYPAD 0x00010007
212 #define HID_GD_MULTIAXIS 0x00010008
213 #define HID_GD_X 0x00010030
214 #define HID_GD_Y 0x00010031
215 #define HID_GD_Z 0x00010032
216 #define HID_GD_RX 0x00010033
217 #define HID_GD_RY 0x00010034
218 #define HID_GD_RZ 0x00010035
219 #define HID_GD_SLIDER 0x00010036
220 #define HID_GD_DIAL 0x00010037
221 #define HID_GD_WHEEL 0x00010038
222 #define HID_GD_HATSWITCH 0x00010039
223 #define HID_GD_BUFFER 0x0001003a
224 #define HID_GD_BYTECOUNT 0x0001003b
225 #define HID_GD_MOTION 0x0001003c
226 #define HID_GD_START 0x0001003d
227 #define HID_GD_SELECT 0x0001003e
228 #define HID_GD_VX 0x00010040
229 #define HID_GD_VY 0x00010041
230 #define HID_GD_VZ 0x00010042
231 #define HID_GD_VBRX 0x00010043
232 #define HID_GD_VBRY 0x00010044
233 #define HID_GD_VBRZ 0x00010045
234 #define HID_GD_VNO 0x00010046
235 #define HID_GD_FEATURE 0x00010047
236 #define HID_GD_UP 0x00010090
237 #define HID_GD_DOWN 0x00010091
238 #define HID_GD_RIGHT 0x00010092
239 #define HID_GD_LEFT 0x00010093
242 * HID report types --- Ouch! HID spec says 1 2 3!
245 #define HID_INPUT_REPORT 0
246 #define HID_OUTPUT_REPORT 1
247 #define HID_FEATURE_REPORT 2
250 * HID connect requests
253 #define HID_CONNECT_HIDINPUT 0x01
254 #define HID_CONNECT_HIDINPUT_FORCE 0x02
255 #define HID_CONNECT_HIDRAW 0x04
256 #define HID_CONNECT_HIDDEV 0x08
257 #define HID_CONNECT_HIDDEV_FORCE 0x10
258 #define HID_CONNECT_FF 0x20
259 #define HID_CONNECT_DEFAULT (HID_CONNECT_HIDINPUT|HID_CONNECT_HIDRAW| \
260 HID_CONNECT_HIDDEV|HID_CONNECT_FF)
267 * Increase this if you need to configure more HID quirks at module load time
269 #define MAX_USBHID_BOOT_QUIRKS 4
271 #define HID_QUIRK_INVERT 0x00000001
272 #define HID_QUIRK_NOTOUCH 0x00000002
273 #define HID_QUIRK_NOGET 0x00000008
274 #define HID_QUIRK_BADPAD 0x00000020
275 #define HID_QUIRK_MULTI_INPUT 0x00000040
276 #define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000
277 #define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000
280 * This is the global environment of the parser. This information is
281 * persistent for main-items. The global environment can be saved and
282 * restored with PUSH/POP statements.
287 __s32 logical_minimum
;
288 __s32 logical_maximum
;
289 __s32 physical_minimum
;
290 __s32 physical_maximum
;
294 unsigned report_size
;
295 unsigned report_count
;
299 * This is the local environment. It is persistent up the next main-item.
302 #define HID_MAX_USAGES 12288
303 #define HID_DEFAULT_NUM_COLLECTIONS 16
306 unsigned usage
[HID_MAX_USAGES
]; /* usage array */
307 unsigned collection_index
[HID_MAX_USAGES
]; /* collection index array */
308 unsigned usage_index
;
309 unsigned usage_minimum
;
310 unsigned delimiter_depth
;
311 unsigned delimiter_branch
;
315 * This is the collection stack. We climb up the stack to determine
316 * application and function of each field.
319 struct hid_collection
{
326 unsigned hid
; /* hid usage code */
327 unsigned collection_index
; /* index into collection array */
329 __u16 code
; /* input driver code */
330 __u8 type
; /* input driver type */
331 __s8 hat_min
; /* hat switch fun */
332 __s8 hat_max
; /* ditto */
333 __s8 hat_dir
; /* ditto */
339 unsigned physical
; /* physical usage for this field */
340 unsigned logical
; /* logical usage for this field */
341 unsigned application
; /* application usage for this field */
342 struct hid_usage
*usage
; /* usage table for this function */
343 unsigned maxusage
; /* maximum usage index */
344 unsigned flags
; /* main-item flags (i.e. volatile,array,constant) */
345 unsigned report_offset
; /* bit offset in the report */
346 unsigned report_size
; /* size of this field in the report */
347 unsigned report_count
; /* number of this field in the report */
348 unsigned report_type
; /* (input,output,feature) */
349 __s32
*value
; /* last known value(s) */
350 __s32 logical_minimum
;
351 __s32 logical_maximum
;
352 __s32 physical_minimum
;
353 __s32 physical_maximum
;
356 struct hid_report
*report
; /* associated report */
357 unsigned index
; /* index into report->field[] */
359 struct hid_input
*hidinput
; /* associated input structure */
360 __u16 dpad
; /* dpad input code */
363 #define HID_MAX_FIELDS 64
366 struct list_head list
;
367 unsigned id
; /* id of this report */
368 unsigned type
; /* report type */
369 struct hid_field
*field
[HID_MAX_FIELDS
]; /* fields of the report */
370 unsigned maxfield
; /* maximum valid field index */
371 unsigned size
; /* size of the report (bits) */
372 struct hid_device
*device
; /* associated device */
375 struct hid_report_enum
{
377 struct list_head report_list
;
378 struct hid_report
*report_id_hash
[256];
381 #define HID_REPORT_TYPES 3
383 #define HID_MIN_BUFFER_SIZE 64 /* make sure there is at least a packet size of space */
384 #define HID_MAX_BUFFER_SIZE 4096 /* 4kb */
385 #define HID_CONTROL_FIFO_SIZE 256 /* to init devices with >100 reports */
386 #define HID_OUTPUT_FIFO_SIZE 64
388 struct hid_control_fifo
{
390 struct hid_report
*report
;
393 #define HID_CLAIMED_INPUT 1
394 #define HID_CLAIMED_HIDDEV 2
395 #define HID_CLAIMED_HIDRAW 4
397 #define HID_STAT_ADDED 1
398 #define HID_STAT_PARSED 2
400 #define HID_CTRL_RUNNING 1
401 #define HID_OUT_RUNNING 2
402 #define HID_IN_RUNNING 3
403 #define HID_RESET_PENDING 4
404 #define HID_SUSPENDED 5
405 #define HID_CLEAR_HALT 6
406 #define HID_DISCONNECTED 7
409 struct list_head list
;
410 struct hid_report
*report
;
411 struct input_dev
*input
;
415 struct hid_ll_driver
;
417 struct hid_device
{ /* device report descriptor */
420 struct hid_collection
*collection
; /* List of HID collections */
421 unsigned collection_size
; /* Number of allocated hid_collections */
422 unsigned maxcollection
; /* Number of parsed collections */
423 unsigned maxapplication
; /* Number of applications */
424 __u16 bus
; /* BUS ID */
425 __u32 vendor
; /* Vendor ID */
426 __u32 product
; /* Product ID */
427 __u32 version
; /* HID version */
428 unsigned country
; /* HID country */
429 struct hid_report_enum report_enum
[HID_REPORT_TYPES
];
431 struct device dev
; /* device */
432 struct hid_driver
*driver
;
433 struct hid_ll_driver
*ll_driver
;
435 unsigned int status
; /* see STAT flags above */
436 unsigned claimed
; /* Claimed by hidinput, hiddev? */
437 unsigned quirks
; /* Various quirks the device can pull on us */
439 struct list_head inputs
; /* The list of inputs */
440 void *hiddev
; /* The hiddev structure */
442 int minor
; /* Hiddev minor number */
444 int open
; /* is the device open by anyone? */
445 char name
[128]; /* Device name */
446 char phys
[64]; /* Device physical location */
447 char uniq
[64]; /* Device unique identifier (serial #) */
451 /* temporary hid_ff handling (until moved to the drivers) */
452 int (*ff_init
)(struct hid_device
*);
454 /* hiddev event handler */
455 int (*hiddev_connect
)(struct hid_device
*, unsigned int);
456 void (*hiddev_hid_event
) (struct hid_device
*, struct hid_field
*field
,
457 struct hid_usage
*, __s32
);
458 void (*hiddev_report_event
) (struct hid_device
*, struct hid_report
*);
460 /* handler for raw output data, used by hidraw */
461 int (*hid_output_raw_report
) (struct hid_device
*, __u8
*, size_t);
464 static inline void *hid_get_drvdata(struct hid_device
*hdev
)
466 return dev_get_drvdata(&hdev
->dev
);
469 static inline void hid_set_drvdata(struct hid_device
*hdev
, void *data
)
471 dev_set_drvdata(&hdev
->dev
, data
);
474 #define HID_GLOBAL_STACK_SIZE 4
475 #define HID_COLLECTION_STACK_SIZE 4
478 struct hid_global global
;
479 struct hid_global global_stack
[HID_GLOBAL_STACK_SIZE
];
480 unsigned global_stack_ptr
;
481 struct hid_local local
;
482 unsigned collection_stack
[HID_COLLECTION_STACK_SIZE
];
483 unsigned collection_stack_ptr
;
484 struct hid_device
*device
;
487 struct hid_class_descriptor
{
488 __u8 bDescriptorType
;
489 __le16 wDescriptorLength
;
490 } __attribute__ ((packed
));
492 struct hid_descriptor
{
494 __u8 bDescriptorType
;
497 __u8 bNumDescriptors
;
499 struct hid_class_descriptor desc
[1];
500 } __attribute__ ((packed
));
502 #define HID_DEVICE(b, ven, prod) \
504 .vendor = (ven), .product = (prod)
506 #define HID_USB_DEVICE(ven, prod) HID_DEVICE(BUS_USB, ven, prod)
507 #define HID_BLUETOOTH_DEVICE(ven, prod) HID_DEVICE(BUS_BLUETOOTH, ven, prod)
509 #define HID_REPORT_ID(rep) \
511 #define HID_USAGE_ID(uhid, utype, ucode) \
512 .usage_hid = (uhid), .usage_type = (utype), .usage_code = (ucode)
513 /* we don't want to catch types and codes equal to 0 */
514 #define HID_TERMINATOR (HID_ANY_ID - 1)
516 struct hid_report_id
{
519 struct hid_usage_id
{
527 * @name: driver name (e.g. "Footech_bar-wheel")
528 * @id_table: which devices is this driver for (must be non-NULL for probe
530 * @probe: new device inserted
531 * @remove: device removed (NULL if not a hot-plug capable driver)
532 * @report_table: on which reports to call raw_event (NULL means all)
533 * @raw_event: if report in report_table, this hook is called (NULL means nop)
534 * @usage_table: on which events to call event (NULL means all)
535 * @event: if usage in usage_table, this hook is called (NULL means nop)
536 * @report_fixup: called before report descriptor parsing (NULL means nop)
537 * @input_mapping: invoked on input registering before mapping an usage
538 * @input_mapped: invoked on input registering after mapping an usage
540 * raw_event and event should return 0 on no action performed, 1 when no
541 * further processing should be done and negative on error
543 * input_mapping shall return a negative value to completely ignore this usage
544 * (e.g. doubled or invalid usage), zero to continue with parsing of this
545 * usage by generic code (no special handling needed) or positive to skip
546 * generic parsing (needed special handling which was done in the hook already)
547 * input_mapped shall return negative to inform the layer that this usage
548 * should not be considered for further processing or zero to notify that
549 * no processing was performed and should be done in a generic manner
550 * Both these functions may be NULL which means the same behavior as returning
555 const struct hid_device_id
*id_table
;
557 int (*probe
)(struct hid_device
*dev
, const struct hid_device_id
*id
);
558 void (*remove
)(struct hid_device
*dev
);
560 const struct hid_report_id
*report_table
;
561 int (*raw_event
)(struct hid_device
*hdev
, struct hid_report
*report
,
563 const struct hid_usage_id
*usage_table
;
564 int (*event
)(struct hid_device
*hdev
, struct hid_field
*field
,
565 struct hid_usage
*usage
, __s32 value
);
567 void (*report_fixup
)(struct hid_device
*hdev
, __u8
*buf
,
570 int (*input_mapping
)(struct hid_device
*hdev
,
571 struct hid_input
*hidinput
, struct hid_field
*field
,
572 struct hid_usage
*usage
, unsigned long **bit
, int *max
);
573 int (*input_mapped
)(struct hid_device
*hdev
,
574 struct hid_input
*hidinput
, struct hid_field
*field
,
575 struct hid_usage
*usage
, unsigned long **bit
, int *max
);
577 struct device_driver driver
;
581 * hid_ll_driver - low level driver callbacks
582 * @start: called on probe to start the device
583 * @stop: called on remove
584 * @open: called by input layer on open
585 * @close: called by input layer on close
586 * @hidinput_input_event: event input event (e.g. ff or leds)
587 * @parse: this method is called only once to parse the device data,
588 * shouldn't allocate anything to not leak memory
590 struct hid_ll_driver
{
591 int (*start
)(struct hid_device
*hdev
);
592 void (*stop
)(struct hid_device
*hdev
);
594 int (*open
)(struct hid_device
*hdev
);
595 void (*close
)(struct hid_device
*hdev
);
597 int (*hidinput_input_event
) (struct input_dev
*idev
, unsigned int type
,
598 unsigned int code
, int value
);
600 int (*parse
)(struct hid_device
*hdev
);
603 /* Applications from HID Usage Tables 4/8/99 Version 1.1 */
604 /* We ignore a few input applications that are not widely used */
605 #define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001) || (a == 0x000d0002))
609 #ifdef CONFIG_HID_DEBUG
610 extern int hid_debug
;
613 extern int hid_add_device(struct hid_device
*);
614 extern void hid_destroy_device(struct hid_device
*);
616 extern int __must_check
__hid_register_driver(struct hid_driver
*,
617 struct module
*, const char *mod_name
);
618 static inline int __must_check
hid_register_driver(struct hid_driver
*driver
)
620 return __hid_register_driver(driver
, THIS_MODULE
, KBUILD_MODNAME
);
622 extern void hid_unregister_driver(struct hid_driver
*);
624 extern void hidinput_hid_event(struct hid_device
*, struct hid_field
*, struct hid_usage
*, __s32
);
625 extern void hidinput_report_event(struct hid_device
*hid
, struct hid_report
*report
);
626 extern int hidinput_connect(struct hid_device
*hid
, unsigned int force
);
627 extern void hidinput_disconnect(struct hid_device
*);
629 int hid_set_field(struct hid_field
*, unsigned, __s32
);
630 int hid_input_report(struct hid_device
*, int type
, u8
*, int, int);
631 int hidinput_find_field(struct hid_device
*hid
, unsigned int type
, unsigned int code
, struct hid_field
**field
);
632 void hid_output_report(struct hid_report
*report
, __u8
*data
);
633 struct hid_device
*hid_allocate_device(void);
634 int hid_parse_report(struct hid_device
*hid
, __u8
*start
, unsigned size
);
635 int hid_connect(struct hid_device
*hid
, unsigned int connect_mask
);
638 * hid_map_usage - map usage input bits
640 * @hidinput: hidinput which we are interested in
641 * @usage: usage to fill in
642 * @bit: pointer to input->{}bit (out parameter)
643 * @max: maximal valid usage->code to consider later (out parameter)
644 * @type: input event type (EV_KEY, EV_REL, ...)
645 * @c: code which corresponds to this usage and type
647 static inline void hid_map_usage(struct hid_input
*hidinput
,
648 struct hid_usage
*usage
, unsigned long **bit
, int *max
,
651 struct input_dev
*input
= hidinput
->input
;
658 *bit
= input
->absbit
;
662 *bit
= input
->relbit
;
666 *bit
= input
->keybit
;
670 *bit
= input
->ledbit
;
677 * hid_map_usage_clear - map usage input bits and clear the input bit
679 * The same as hid_map_usage, except the @c bit is also cleared in supported
682 static inline void hid_map_usage_clear(struct hid_input
*hidinput
,
683 struct hid_usage
*usage
, unsigned long **bit
, int *max
,
686 hid_map_usage(hidinput
, usage
, bit
, max
, type
, c
);
691 * hid_parse - parse HW reports
695 * Call this from probe after you set up the device (if needed). Your
696 * report_fixup will be called (if non-NULL) after reading raw report from
697 * device before passing it to hid layer for real parsing.
699 static inline int __must_check
hid_parse(struct hid_device
*hdev
)
703 if (hdev
->status
& HID_STAT_PARSED
)
706 ret
= hdev
->ll_driver
->parse(hdev
);
708 hdev
->status
|= HID_STAT_PARSED
;
714 * hid_hw_start - start underlaying HW
717 * @connect_mask: which outputs to connect, see HID_CONNECT_*
719 * Call this in probe function *after* hid_parse. This will setup HW buffers
720 * and start the device (if not deffered to device open). hid_hw_stop must be
721 * called if this was successfull.
723 static inline int __must_check
hid_hw_start(struct hid_device
*hdev
,
724 unsigned int connect_mask
)
726 int ret
= hdev
->ll_driver
->start(hdev
);
727 if (ret
|| !connect_mask
)
729 ret
= hid_connect(hdev
, connect_mask
);
731 hdev
->ll_driver
->stop(hdev
);
736 * hid_hw_stop - stop underlaying HW
740 * This is usually called from remove function or from probe when something
741 * failed and hid_hw_start was called already.
743 static inline void hid_hw_stop(struct hid_device
*hdev
)
745 hdev
->ll_driver
->stop(hdev
);
748 void hid_report_raw_event(struct hid_device
*hid
, int type
, u8
*data
, int size
,
751 extern int hid_generic_init(void);
752 extern void hid_generic_exit(void);
755 u32
usbhid_lookup_quirk(const u16 idVendor
, const u16 idProduct
);
756 int usbhid_quirks_init(char **quirks_param
);
757 void usbhid_quirks_exit(void);
758 void usbhid_set_leds(struct hid_device
*hid
);
761 int hid_ff_init(struct hid_device
*hid
);
763 int hid_lgff_init(struct hid_device
*hid
);
764 int hid_lg2ff_init(struct hid_device
*hid
);
765 int hid_plff_init(struct hid_device
*hid
);
766 int hid_tmff_init(struct hid_device
*hid
);
767 int hid_zpff_init(struct hid_device
*hid
);
768 #ifdef CONFIG_HID_PID
769 int hid_pidff_init(struct hid_device
*hid
);
771 static inline int hid_pidff_init(struct hid_device
*hid
) { return -ENODEV
; }
775 #define hid_ff_init NULL
778 #ifdef CONFIG_HID_DEBUG
779 #define dbg_hid(format, arg...) if (hid_debug) \
780 printk(KERN_DEBUG "%s: " format ,\
782 #define dbg_hid_line(format, arg...) if (hid_debug) \
783 printk(format, ## arg)
785 static inline int __attribute__((format(printf
, 1, 2)))
786 dbg_hid(const char *fmt
, ...)
790 #define dbg_hid_line dbg_hid
791 #endif /* HID_DEBUG */
793 #define err_hid(format, arg...) printk(KERN_ERR "%s: " format "\n" , \
797 #ifdef CONFIG_HID_COMPAT
798 #define HID_COMPAT_LOAD_DRIVER(name) \
799 void hid_compat_##name(void) { } \
800 EXPORT_SYMBOL(hid_compat_##name)
802 #define HID_COMPAT_LOAD_DRIVER(name)
803 #endif /* HID_COMPAT */
804 #define HID_COMPAT_CALL_DRIVER(name) do { \
805 extern void hid_compat_##name(void); \
806 hid_compat_##name(); \