padvar.h revision 1.13 
1/* $NetBSD: padvar.h,v 1.13 2019/06/26 11:53:15 isaki 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
32struct pad_softc {
33	device_t	sc_dev;
34
35	u_int		sc_open;
36	void		(*sc_intr)(void *);
37	void		*sc_intrarg;
38
39	kcondvar_t	sc_condvar;
40	kmutex_t	sc_lock;
41	kmutex_t	sc_intr_lock;
42	kmutex_t	sc_cond_lock;
43	callout_t	sc_pcallout;
44	bool		sc_dying;
45
46	device_t	sc_audiodev;
47	int		sc_blksize;
48
49#define PAD_BUFSIZE	65536
50	uint8_t		sc_audiobuf[PAD_BUFSIZE];
51	u_int		sc_buflen;
52	u_int		sc_rpos;
53	u_int		sc_wpos;
54
55	uint8_t		sc_swvol;
56};
57
58#endif /* !_SYS_DEV_PAD_PADVAR_H */
59