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internal.h revision 1.1 
      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