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90587a41 | 1 | /* |
ad787160 C |
2 | * Copyright (c) 1991, 1992, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
90587a41 CT |
4 | * |
5 | * This software was developed by the Computer Systems Engineering group | |
6 | * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and | |
7 | * contributed to Berkeley. | |
8 | * | |
b480239a KB |
9 | * All advertising materials mentioning features or use of this software |
10 | * must display the following acknowledgement: | |
11 | * This product includes software developed by the University of | |
c8cc9df9 | 12 | * California, Lawrence Berkeley Laboratory. |
b480239a | 13 | * |
ad787160 C |
14 | * Redistribution and use in source and binary forms, with or without |
15 | * modification, are permitted provided that the following conditions | |
16 | * are met: | |
17 | * 1. Redistributions of source code must retain the above copyright | |
18 | * notice, this list of conditions and the following disclaimer. | |
19 | * 2. Redistributions in binary form must reproduce the above copyright | |
20 | * notice, this list of conditions and the following disclaimer in the | |
21 | * documentation and/or other materials provided with the distribution. | |
22 | * 3. All advertising materials mentioning features or use of this software | |
23 | * must display the following acknowledgement: | |
24 | * This product includes software developed by the University of | |
25 | * California, Berkeley and its contributors. | |
26 | * 4. Neither the name of the University nor the names of its contributors | |
27 | * may be used to endorse or promote products derived from this software | |
28 | * without specific prior written permission. | |
29 | * | |
30 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
31 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
32 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
33 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
34 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
35 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
36 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
37 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
38 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
39 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
40 | * SUCH DAMAGE. | |
90587a41 | 41 | * |
ad787160 | 42 | * @(#)bsd_audioio.h 8.1 (Berkeley) 6/11/93 |
90587a41 | 43 | * |
c8cc9df9 | 44 | * from: $Header: bsd_audioio.h,v 1.5 92/11/21 20:46:46 van Exp $ (LBL) |
90587a41 CT |
45 | */ |
46 | ||
47 | #ifndef _BSD_AUDIOIO_H_ | |
48 | #define _BSD_AUDIOIO_H_ | |
49 | ||
50 | /* | |
51 | * /dev/audio ioctls. needs comments! | |
52 | */ | |
c8cc9df9 CT |
53 | #define AUDIO_MIN_GAIN (0) |
54 | #define AUDIO_MAX_GAIN (255) | |
90587a41 | 55 | |
c8cc9df9 CT |
56 | #define AUDIO_ENCODING_ULAW (1) |
57 | #define AUDIO_ENCODING_ALAW (2) | |
90587a41 CT |
58 | |
59 | struct audio_prinfo { | |
60 | u_int sample_rate; | |
61 | u_int channels; | |
62 | u_int precision; | |
63 | u_int encoding; | |
64 | u_int gain; | |
65 | u_int port; | |
c8cc9df9 CT |
66 | u_long seek; /* BSD extension */ |
67 | u_int ispare[3]; | |
90587a41 | 68 | u_int samples; |
c8cc9df9 | 69 | u_int eof; |
90587a41 CT |
70 | |
71 | u_char pause; | |
72 | u_char error; | |
73 | u_char waiting; | |
c8cc9df9 | 74 | u_char cspare[3]; |
90587a41 | 75 | u_char open; |
c8cc9df9 | 76 | u_char active; |
90587a41 | 77 | |
90587a41 CT |
78 | }; |
79 | ||
80 | struct audio_info { | |
81 | struct audio_prinfo play; | |
82 | struct audio_prinfo record; | |
83 | u_int monitor_gain; | |
84 | /* BSD extensions */ | |
85 | u_int blocksize; /* input blocking threshold */ | |
86 | u_int hiwat; /* output high water mark */ | |
87 | u_int lowat; /* output low water mark */ | |
c8cc9df9 | 88 | u_int backlog; /* samples of output backlog to gen. */ |
90587a41 CT |
89 | }; |
90 | typedef struct audio_info audio_info_t; | |
91 | ||
92 | #define AUDIO_INITINFO(p)\ | |
93 | (void)memset((void *)(p), 0xff, sizeof(struct audio_info)) | |
94 | ||
95 | #if (defined(sun) || defined(ibm032)) && !defined(__GNUC__) | |
c8cc9df9 CT |
96 | #define AUDIO_GETINFO _IOR(A, 21, struct audio_info) |
97 | #define AUDIO_SETINFO _IOWR(A, 22, struct audio_info) | |
98 | #define AUDIO_DRAIN _IO(A, 23) | |
99 | #define AUDIO_FLUSH _IO(A, 24) | |
100 | #define AUDIO_WSEEK _IOR(A, 25, u_long) | |
101 | #define AUDIO_RERROR _IOR(A, 26, int) | |
102 | #define AUDIO_GETMAP _IOR(A, 27, struct mapreg) | |
103 | #define AUDIO_SETMAP _IOW(A, 28, struct mapreg) | |
90587a41 | 104 | #else |
c8cc9df9 CT |
105 | #define AUDIO_GETINFO _IOR('A', 21, struct audio_info) |
106 | #define AUDIO_SETINFO _IOWR('A', 22, struct audio_info) | |
107 | #define AUDIO_DRAIN _IO('A', 23) | |
108 | #define AUDIO_FLUSH _IO('A', 24) | |
109 | #define AUDIO_WSEEK _IOR('A', 25, u_long) | |
110 | #define AUDIO_RERROR _IOR('A', 26, int) | |
111 | #define AUDIO_GETMAP _IOR('A', 27, struct mapreg) | |
112 | #define AUDIO_SETMAP _IOW('A', 28, struct mapreg) | |
90587a41 CT |
113 | #endif |
114 | ||
115 | #define AUDIO_SPEAKER 1 | |
116 | #define AUDIO_HEADPHONE 2 | |
117 | ||
118 | /* | |
119 | * Low level interface. | |
120 | */ | |
121 | struct mapreg { | |
122 | u_short mr_x[8]; | |
123 | u_short mr_r[8]; | |
124 | u_short mr_gx; | |
125 | u_short mr_gr; | |
126 | u_short mr_ger; | |
127 | u_short mr_stgr; | |
128 | u_short mr_ftgr; | |
129 | u_short mr_atgr; | |
130 | u_char mr_mmr1; | |
131 | u_char mr_mmr2; | |
132 | }; | |
133 | ||
134 | #endif /* _BSD_AUDIOIO_H_ */ |