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1 | #ifndef _ULTRASOUND_H_ |
2 | #define _ULTRASOUND_H_ | |
3 | /* | |
4 | * Copyright by Hannu Savolainen 1993 | |
5 | * | |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions | |
8 | * are met: | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * 2. Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in the | |
13 | * documentation and/or other materials provided with the distribution. | |
14 | * | |
1d43110e | 15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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16 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
1d43110e | 18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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19 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
20 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
21 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
22 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
23 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
24 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
25 | * SUCH DAMAGE. | |
26 | * | |
27 | */ | |
28 | ||
29 | /* | |
30 | * ultrasound.h - Macros for programming the Gravis Ultrasound | |
31 | * These macros are extremely device dependent | |
32 | * and not portable. | |
33 | */ | |
34 | ||
35 | #ifdef linux | |
36 | #include <linux/soundcard.h> | |
37 | #else | |
c75639d5 | 38 | #include <machine/soundcard.h> |
1b261ae5 JH |
39 | #endif |
40 | ||
41 | /* | |
42 | * Private events for Gravis Ultrasound (GUS) | |
43 | * | |
44 | * Format: | |
45 | * byte 0 - SEQ_PRIVATE (0xfe) | |
46 | * byte 1 - Synthesizer device number (0-N) | |
47 | * byte 2 - Command (see below) | |
48 | * byte 3 - Voice number (0-31) | |
49 | * bytes 4 and 5 - parameter P1 (unsigned short) | |
50 | * bytes 6 and 7 - parameter P2 (unsigned short) | |
51 | * | |
52 | * Commands: | |
53 | * Each command affects one voice defined in byte 3. | |
54 | * Unused parameters (P1 and/or P2 *MUST* be initialized to zero). | |
55 | * _GUS_NUMVOICES - Sets max. number of concurrent voices (P1=14-31, default 16) | |
56 | * _GUS_VOICESAMPLE- ************ OBSOLETE ************* | |
57 | * _GUS_VOICEON - Starts voice (P1=voice mode) | |
58 | * _GUS_VOICEOFF - Stops voice (no parameters) | |
59 | * _GUS_VOICEFADE - Stops the voice smoothly. | |
60 | * _GUS_VOICEMODE - Alters the voice mode, don't start or stop voice (P1=voice mode) | |
61 | * _GUS_VOICEBALA - Sets voice balence (P1, 0=left, 7=middle and 15=right, default 7) | |
62 | * _GUS_VOICEFREQ - Sets voice (sample) playback frequency (P1=Hz) | |
63 | * _GUS_VOICEVOL - Sets voice volume (P1=volume, 0xfff=max, 0xeff=half, 0x000=off) | |
64 | * _GUS_VOICEVOL2 - Sets voice volume (P1=volume, 0xfff=max, 0xeff=half, 0x000=off) | |
65 | * (Like GUS_VOICEVOL but doesn't change the hw | |
66 | * volume. It just updates volume in the voice table). | |
67 | * | |
68 | * _GUS_RAMPRANGE - Sets limits for volume ramping (P1=low volume, P2=high volume) | |
69 | * _GUS_RAMPRATE - Sets the speed for volume ramping (P1=scale, P2=rate) | |
70 | * _GUS_RAMPMODE - Sets the volume ramping mode (P1=ramping mode) | |
71 | * _GUS_RAMPON - Starts volume ramping (no parameters) | |
72 | * _GUS_RAMPOFF - Stops volume ramping (no parameters) | |
73 | * _GUS_VOLUME_SCALE - Changes the volume calculation constants | |
74 | * for all voices. | |
75 | */ | |
76 | ||
77 | #define _GUS_NUMVOICES 0x00 | |
78 | #define _GUS_VOICESAMPLE 0x01 /* OBSOLETE */ | |
79 | #define _GUS_VOICEON 0x02 | |
80 | #define _GUS_VOICEOFF 0x03 | |
81 | #define _GUS_VOICEMODE 0x04 | |
82 | #define _GUS_VOICEBALA 0x05 | |
83 | #define _GUS_VOICEFREQ 0x06 | |
84 | #define _GUS_VOICEVOL 0x07 | |
85 | #define _GUS_RAMPRANGE 0x08 | |
86 | #define _GUS_RAMPRATE 0x09 | |
87 | #define _GUS_RAMPMODE 0x0a | |
88 | #define _GUS_RAMPON 0x0b | |
89 | #define _GUS_RAMPOFF 0x0c | |
90 | #define _GUS_VOICEFADE 0x0d | |
91 | #define _GUS_VOLUME_SCALE 0x0e | |
92 | #define _GUS_VOICEVOL2 0x0f | |
93 | ||
94 | /* | |
95 | * GUS API macros | |
96 | */ | |
97 | ||
98 | #define _GUS_CMD(chn, voice, cmd, p1, p2) \ | |
99 | {_SEQ_NEEDBUF(8); _seqbuf[_seqbufptr] = SEQ_PRIVATE;\ | |
100 | _seqbuf[_seqbufptr+1] = (chn); _seqbuf[_seqbufptr+2] = cmd;\ | |
101 | _seqbuf[_seqbufptr+3] = voice;\ | |
102 | *(unsigned short*)&_seqbuf[_seqbufptr+4] = p1;\ | |
103 | *(unsigned short*)&_seqbuf[_seqbufptr+6] = p2;\ | |
104 | _SEQ_ADVBUF(8);} | |
105 | ||
106 | #define GUS_NUMVOICES(chn, p1) _GUS_CMD(chn, 0, _GUS_NUMVOICES, (p1), 0) | |
107 | #define GUS_VOICESAMPLE(chn, voice, p1) _GUS_CMD(chn, voice, _GUS_VOICESAMPLE, (p1), 0) /* OBSOLETE */ | |
108 | #define GUS_VOICEON(chn, voice, p1) _GUS_CMD(chn, voice, _GUS_VOICEON, (p1), 0) | |
109 | #define GUS_VOICEOFF(chn, voice) _GUS_CMD(chn, voice, _GUS_VOICEOFF, 0, 0) | |
110 | #define GUS_VOICEFADE(chn, voice) _GUS_CMD(chn, voice, _GUS_VOICEFADE, 0, 0) | |
111 | #define GUS_VOICEMODE(chn, voice, p1) _GUS_CMD(chn, voice, _GUS_VOICEMODE, (p1), 0) | |
112 | #define GUS_VOICEBALA(chn, voice, p1) _GUS_CMD(chn, voice, _GUS_VOICEBALA, (p1), 0) | |
113 | #define GUS_VOICEFREQ(chn, voice, p) _GUS_CMD(chn, voice, _GUS_VOICEFREQ, \ | |
114 | (p) & 0xffff, ((p) >> 16) & 0xffff) | |
115 | #define GUS_VOICEVOL(chn, voice, p1) _GUS_CMD(chn, voice, _GUS_VOICEVOL, (p1), 0) | |
116 | #define GUS_VOICEVOL2(chn, voice, p1) _GUS_CMD(chn, voice, _GUS_VOICEVOL2, (p1), 0) | |
117 | #define GUS_RAMPRANGE(chn, voice, low, high) _GUS_CMD(chn, voice, _GUS_RAMPRANGE, (low), (high)) | |
118 | #define GUS_RAMPRATE(chn, voice, p1, p2) _GUS_CMD(chn, voice, _GUS_RAMPRATE, (p1), (p2)) | |
119 | #define GUS_RAMPMODE(chn, voice, p1) _GUS_CMD(chn, voice, _GUS_RAMPMODE, (p1), 0) | |
120 | #define GUS_RAMPON(chn, voice, p1) _GUS_CMD(chn, voice, _GUS_RAMPON, (p1), 0) | |
121 | #define GUS_RAMPOFF(chn, voice) _GUS_CMD(chn, voice, _GUS_RAMPOFF, 0, 0) | |
122 | #define GUS_VOLUME_SCALE(chn, voice, p1, p2) _GUS_CMD(chn, voice, _GUS_VOLUME_SCALE, (p1), (p2)) | |
123 | ||
124 | #endif |