1/* $NetBSD: padvar.h,v 1.17 2023/01/24 08:17:11 mlelstv 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#include <sys/types.h>
33
34#include <sys/callout.h>
35#include <sys/condvar.h>
36#include <sys/device_if.h>
37#include <sys/mutex.h>
38
39struct pad_softc {
40	device_t	sc_dev;
41
42	u_int		sc_open;
43	void		(*sc_intr)(void *);
44	void		*sc_intrarg;
45
46	kcondvar_t	sc_condvar;
47	kmutex_t	sc_lock;
48	kmutex_t	sc_intr_lock;
49	callout_t	sc_pcallout;
50
51	device_t	sc_audiodev;
52
53#define PAD_BUFSIZE	65536
54	uint8_t		sc_audiobuf[PAD_BUFSIZE];
55	u_int		sc_buflen;
56	u_int		sc_rpos;
57	u_int		sc_wpos;
58
59	uint8_t		sc_swvol;
60
61	u_int		sc_resid;
62};
63
64#endif /* !_SYS_DEV_PAD_PADVAR_H */
65