xref: /netbsd/sys/dev/pad/padvar.h (revision 6550d01e)
1 /* $NetBSD: padvar.h,v 1.3 2008/09/04 10:42:55 christos Exp $ */
2 
3 /*-
4  * Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca>
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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _SYS_DEV_PAD_PADVAR_H
30 #define _SYS_DEV_PAD_PADVAR_H
31 
32 typedef struct pad_softc {
33 	device_t	sc_dev;
34 
35 	int		sc_open;
36 	struct audio_encoding_set *sc_encodings;
37 	void		(*sc_intr)(void *);
38 	void		*sc_intrarg;
39 
40 	kcondvar_t	sc_condvar;
41 	kmutex_t	sc_mutex;
42 
43 	struct audio_softc *sc_audiodev;
44 	int		sc_blksize;
45 
46 #define PAD_BLKSIZE	1024
47 #define PAD_BUFSIZE	65536
48 	uint8_t		sc_audiobuf[PAD_BUFSIZE];
49 	uint32_t	sc_buflen;
50 	uint32_t	sc_rpos, sc_wpos;
51 
52 	u_int		sc_swvol;
53 } pad_softc_t;
54 
55 #endif /* !_SYS_DEV_PAD_PADVAR_H */
56