/* $OpenBSD: bsd_audioio.h,v 1.2 1997/08/08 08:26:05 downsj Exp $ */ /* $NetBSD: bsd_audioio.h,v 1.3 1995/03/04 09:58:45 pk Exp $ */ /* * Copyright (c) 1991, 1992, 1993 * The Regents of the University of California. All rights reserved. * * This software was developed by the Computer Systems Engineering group * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and * contributed to Berkeley. * * All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Lawrence Berkeley Laboratory. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)bsd_audioio.h 8.1 (Berkeley) 6/11/93 */ #ifndef _BSD_AUDIOIO_H_ #define _BSD_AUDIOIO_H_ /* * /dev/audio ioctls. needs comments! */ #define AUDIO_MIN_GAIN (0) #define AUDIO_MAX_GAIN (255) #define AUDIO_ENCODING_ULAW (1) #define AUDIO_ENCODING_ALAW (2) struct audio_prinfo { u_int sample_rate; u_int channels; u_int precision; u_int encoding; u_int gain; u_int port; u_long seek; /* BSD extension */ u_int ispare[3]; u_int samples; u_int eof; u_char pause; u_char error; u_char waiting; u_char cspare[3]; u_char open; u_char active; }; struct audio_info { struct audio_prinfo play; struct audio_prinfo record; u_int monitor_gain; /* BSD extensions */ u_int blocksize; /* input blocking threshold */ u_int hiwat; /* output high water mark */ u_int lowat; /* output low water mark */ u_int backlog; /* samples of output backlog to gen. */ u_int mode; }; typedef struct audio_info audio_info_t; #define AUDIO_INITINFO(p)\ (void)memset((void *)(p), 0xff, sizeof(struct audio_info)) #if (defined(sun) || defined(ibm032)) && !defined(__GNUC__) #define AUDIO_GETINFO _IOR(A, 21, struct audio_info) #define AUDIO_SETINFO _IOWR(A, 22, struct audio_info) #define AUDIO_DRAIN _IO(A, 23) #define AUDIO_FLUSH _IO(A, 24) #define AUDIO_WSEEK _IOR(A, 25, u_long) #define AUDIO_RERROR _IOR(A, 26, int) #define AUDIO_GETMAP _IOR(A, 27, struct mapreg) #define AUDIO_SETMAP _IOW(A, 28, struct mapreg) #else #define AUDIO_GETINFO _IOR('A', 21, struct audio_info) #define AUDIO_SETINFO _IOWR('A', 22, struct audio_info) #define AUDIO_DRAIN _IO('A', 23) #define AUDIO_FLUSH _IO('A', 24) #define AUDIO_WSEEK _IOR('A', 25, u_long) #define AUDIO_RERROR _IOR('A', 26, int) #define AUDIO_GETMAP _IOR('A', 27, struct mapreg) #define AUDIO_SETMAP _IOW('A', 28, struct mapreg) #endif #define AUDIO_SPEAKER 1 #define AUDIO_HEADPHONE 2 /* * Low level interface. */ struct mapreg { u_short mr_x[8]; u_short mr_r[8]; u_short mr_gx; u_short mr_gr; u_short mr_ger; u_short mr_stgr; u_short mr_ftgr; u_short mr_atgr; u_char mr_mmr1; u_char mr_mmr2; }; #endif /* _BSD_AUDIOIO_H_ */