1/* $NetBSD: padvar.h,v 1.6 2016/02/26 13:17:04 nat 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
32typedef struct pad_softc {
33 device_t sc_dev;
34
35 u_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_lock;
42 kmutex_t sc_intr_lock;
43
44 struct audio_softc *sc_audiodev;
45 int sc_blksize;
46
47#define PAD_BLKSIZE 1024
48#define PAD_BUFSIZE 65536
49 uint8_t sc_audiobuf[PAD_BUFSIZE];
50 uint32_t sc_buflen;
51 uint32_t sc_rpos, sc_wpos;
52
53 uint8_t sc_swvol;
54 struct timeval sc_last;
55 int sc_bytes_count;
56} pad_softc_t;
57
58#endif /* !_SYS_DEV_PAD_PADVAR_H */
59