1 /* $NetBSD: audiodev.h,v 1.4 2013/08/11 06:31:00 dholland Exp $ */ 2 3 /* 4 * Copyright (c) 2010 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 _HAVE_AUDIODEV_H 30 #define _HAVE_AUDIODEV_H 31 32 #include <sys/audioio.h> 33 #include <sys/queue.h> 34 #include <sys/syslimits.h> 35 36 #include <stdbool.h> 37 38 struct audiodev { 39 char pxname[16]; /* hw (parent) device */ 40 char xname[16]; /* audio(4) device */ 41 uint16_t unit; 42 char path[PATH_MAX+1]; 43 44 int fd; 45 dev_t dev; 46 bool defaultdev; 47 48 unsigned pchan; 49 50 audio_device_t audio_device; 51 52 TAILQ_ENTRY(audiodev) next; 53 }; 54 55 int audiodev_refresh(void); 56 unsigned int audiodev_count(void); 57 struct audiodev * audiodev_get(unsigned int); 58 int audiodev_set_default(struct audiodev *); 59 int audiodev_test(struct audiodev *, unsigned int); 60 61 #endif /* !_HAVE_AUDIODEV_H */ 62