xref: /freebsd/usr.sbin/bluetooth/bthidd/bthidd.h (revision 6af83ee0d2941d18880b6aaa2b4facd1d30c6106)
1 /*
2  * bthidd.h
3  *
4  * Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $Id: bthidd.h,v 1.6 2004/11/17 21:59:42 max Exp $
29  * $FreeBSD$
30  */
31 
32 #ifndef _BTHIDD_H_
33 #define _BTHIDD_H_ 1
34 
35 #define BTHIDD_IDENT	"bthidd"
36 #define BTHIDD_PIDFILE	"/var/run/" BTHIDD_IDENT ".pid"
37 
38 struct bthid_session;
39 
40 struct bthid_server
41 {
42 	bdaddr_t			 bdaddr; /* local bdaddr */
43 	int				 cons;	 /* /dev/consolectl */
44 	int				 vkbd;	 /* /dev/vkbdctl */
45 	char const			*script; /* keyboard switching script */
46 	int				 windex; /* wired keyboard index */
47 	bitstr_t			*keys;   /* pressed keys map */
48 	int				 ctrl;   /* control channel (listen) */
49 	int				 intr;   /* intr. channel (listen) */
50 	int				 maxfd;	 /* max fd in sets */
51 	fd_set				 rfdset; /* read descriptor set */
52 	fd_set				 wfdset; /* write descriptor set */
53 	LIST_HEAD(, bthid_session)	 sessions;
54 };
55 
56 typedef struct bthid_server	bthid_server_t;
57 typedef struct bthid_server *	bthid_server_p;
58 
59 struct bthid_session
60 {
61 	bthid_server_p			 srv;	/* pointer back to server */
62 	int				 ctrl;	/* control channel */
63 	int				 intr;	/* interrupt channel */
64 	bdaddr_t			 bdaddr;/* remote bdaddr */
65 	short				 state;	/* session state */
66 #define CLOSED	0
67 #define	W4CTRL	1
68 #define	W4INTR	2
69 #define	OPEN	3
70 	bitstr_t			*keys;	/* pressed keys map */
71 	LIST_ENTRY(bthid_session)	 next;	/* link to next */
72 };
73 
74 typedef struct bthid_session	bthid_session_t;
75 typedef struct bthid_session *	bthid_session_p;
76 
77 int		server_init      (bthid_server_p srv);
78 void		server_shutdown  (bthid_server_p srv);
79 int		server_do        (bthid_server_p srv);
80 
81 int		client_rescan    (bthid_server_p srv);
82 int		client_connect   (bthid_server_p srv, int fd);
83 
84 bthid_session_p	session_open     (bthid_server_p srv, bdaddr_p bdaddr);
85 bthid_session_p	session_by_bdaddr(bthid_server_p srv, bdaddr_p bdaddr);
86 bthid_session_p	session_by_fd    (bthid_server_p srv, int fd);
87 void		session_close    (bthid_session_p s);
88 
89 int		hid_control      (bthid_session_p s, char *data, int len);
90 int		hid_interrupt    (bthid_session_p s, char *data, int len);
91 
92 #endif /* ndef _BTHIDD_H_ */
93 
94