opt.h revision 1.3 
1/*	$OpenBSD: opt.h,v 1.3 2021/01/29 11:21:00 ratchov Exp $	*/
2/*
3 * Copyright (c) 2008-2012 Alexandre Ratchov <alex@caoua.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17#ifndef OPT_H
18#define OPT_H
19
20struct dev;
21
22struct opt {
23	struct opt *next;
24	struct dev *dev;
25#define OPT_NAMEMAX 11
26	char name[OPT_NAMEMAX + 1];
27	int maxweight;		/* max dynamic range for clients */
28	int pmin, pmax;		/* play channels */
29	int rmin, rmax;		/* recording channels */
30	int mmc;		/* true if MMC control enabled */
31	int dup;		/* true if join/expand enabled */
32	int mode;		/* bitmap of MODE_XXX */
33};
34
35extern struct opt *opt_list;
36
37struct opt *opt_new(struct dev *, char *, int, int, int, int,
38    int, int, int, unsigned int);
39void opt_del(struct opt *);
40struct opt *opt_byname(struct dev *, char *);
41
42#endif /* !defined(OPT_H) */
43