105 lines
2.0 KiB
C
105 lines
2.0 KiB
C
|
#ifndef __UHID_H_
|
||
|
|
#define __UHID_H_
|
||
|
|
|
||
|
|
/*
|
||
|
|
* User-space I/O driver support for HID subsystem
|
||
|
|
* Copyright (c) 2012 David Herrmann
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This program is free software; you can redistribute it and/or modify it
|
||
|
|
* under the terms of the GNU General Public License as published by the Free
|
||
|
|
* Software Foundation; either version 2 of the License, or (at your option)
|
||
|
|
* any later version.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Public header for user-space communication. We try to keep every structure
|
||
|
|
* aligned but to be safe we also use __attribute__((__packed__)). Therefore,
|
||
|
|
* the communication should be ABI compatible even between architectures.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/input.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
|
||
|
|
enum uhid_event_type {
|
||
|
|
UHID_CREATE,
|
||
|
|
UHID_DESTROY,
|
||
|
|
UHID_START,
|
||
|
|
UHID_STOP,
|
||
|
|
UHID_OPEN,
|
||
|
|
UHID_CLOSE,
|
||
|
|
UHID_OUTPUT,
|
||
|
|
UHID_OUTPUT_EV,
|
||
|
|
UHID_INPUT,
|
||
|
|
UHID_FEATURE,
|
||
|
|
UHID_FEATURE_ANSWER,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct uhid_create_req {
|
||
|
|
__u8 name[128];
|
||
|
|
__u8 phys[64];
|
||
|
|
__u8 uniq[64];
|
||
|
|
__u8 __user *rd_data;
|
||
|
|
__u16 rd_size;
|
||
|
|
|
||
|
|
__u16 bus;
|
||
|
|
__u32 vendor;
|
||
|
|
__u32 product;
|
||
|
|
__u32 version;
|
||
|
|
__u32 country;
|
||
|
|
} __attribute__((__packed__));
|
||
|
|
|
||
|
|
#define UHID_DATA_MAX 4096
|
||
|
|
|
||
|
|
enum uhid_report_type {
|
||
|
|
UHID_FEATURE_REPORT,
|
||
|
|
UHID_OUTPUT_REPORT,
|
||
|
|
UHID_INPUT_REPORT,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct uhid_input_req {
|
||
|
|
__u8 data[UHID_DATA_MAX];
|
||
|
|
__u16 size;
|
||
|
|
} __attribute__((__packed__));
|
||
|
|
|
||
|
|
struct uhid_output_req {
|
||
|
|
__u8 data[UHID_DATA_MAX];
|
||
|
|
__u16 size;
|
||
|
|
__u8 rtype;
|
||
|
|
} __attribute__((__packed__));
|
||
|
|
|
||
|
|
struct uhid_output_ev_req {
|
||
|
|
__u16 type;
|
||
|
|
__u16 code;
|
||
|
|
__s32 value;
|
||
|
|
} __attribute__((__packed__));
|
||
|
|
|
||
|
|
struct uhid_feature_req {
|
||
|
|
__u32 id;
|
||
|
|
__u8 rnum;
|
||
|
|
__u8 rtype;
|
||
|
|
} __attribute__((__packed__));
|
||
|
|
|
||
|
|
struct uhid_feature_answer_req {
|
||
|
|
__u32 id;
|
||
|
|
__u16 err;
|
||
|
|
__u16 size;
|
||
|
|
__u8 data[UHID_DATA_MAX];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct uhid_event {
|
||
|
|
__u32 type;
|
||
|
|
|
||
|
|
union {
|
||
|
|
struct uhid_create_req create;
|
||
|
|
struct uhid_input_req input;
|
||
|
|
struct uhid_output_req output;
|
||
|
|
struct uhid_output_ev_req output_ev;
|
||
|
|
struct uhid_feature_req feature;
|
||
|
|
struct uhid_feature_answer_req feature_answer;
|
||
|
|
} u;
|
||
|
|
} __attribute__((__packed__));
|
||
|
|
|
||
|
|
#endif /* __UHID_H_ */
|