xref: /netbsd-src/lib/libossaudio/internal.h (revision 8170080d8e472ec3eaf475abefc490c1db8644ab)
1 /*	$NetBSD: internal.h,v 1.1 2021/06/08 18:43:54 nia Exp $	*/
2 
3 /*-
4  * Copyright (c) 1997-2021 The NetBSD Foundation, Inc.
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 OSSAUDIO_INTERNAL_H
30 #define OSSAUDIO_INTERNAL_H
31 
32 #include <sys/ioctl.h>
33 #include "soundcard.h"
34 #undef ioctl
35 
36 #define TO_OSSVOL(x)	(((x) * 100 + 127) / 255)
37 #define FROM_OSSVOL(x)	((((x) > 100 ? 100 : (x)) * 255 + 50) / 100)
38 
39 #define INTARG		(*(int*)argp)
40 
41 #define GET_DEV(com)	((com) & 0xff)
42 
43 #define oss_private	__attribute__((__visibility__("hidden")))
44 
45 int _oss_ioctl(int, unsigned long, ...);
46 
47 oss_private int _oss_dsp_ioctl(int, unsigned long, void *);
48 oss_private int _oss_get_caps(int, int *);
49 oss_private int _oss3_mixer_ioctl(int, unsigned long, void *);
50 oss_private int _oss4_mixer_ioctl(int, unsigned long, void *);
51 oss_private int _oss4_global_ioctl(int, unsigned long, void *);
52 
53 #endif
54