opt.h revision 1.4
1/* $OpenBSD: opt.h,v 1.4 2021/01/29 11:25:05 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 20#define OPT_NMAX 16 21 22struct dev; 23 24struct opt { 25 struct opt *next; 26 struct dev *dev; 27 int num; 28#define OPT_NAMEMAX 11 29 char name[OPT_NAMEMAX + 1]; 30 int maxweight; /* max dynamic range for clients */ 31 int pmin, pmax; /* play channels */ 32 int rmin, rmax; /* recording channels */ 33 int mmc; /* true if MMC control enabled */ 34 int dup; /* true if join/expand enabled */ 35 int mode; /* bitmap of MODE_XXX */ 36}; 37 38extern struct opt *opt_list; 39 40struct opt *opt_new(struct dev *, char *, int, int, int, int, 41 int, int, int, unsigned int); 42void opt_del(struct opt *); 43struct opt *opt_byname(struct dev *, char *); 44 45#endif /* !defined(OPT_H) */ 46