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-rw-r--r--include/sound/ainstr_fm.h130
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diff --git a/include/sound/ainstr_fm.h b/include/sound/ainstr_fm.h
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1/*
2 * Advanced Linux Sound Architecture
3 *
4 * FM (OPL2/3) Instrument Format
5 * Copyright (c) 2000 Uros Bizjak <uros@kss-loka.si>
6 *
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23
24#ifndef __SOUND_AINSTR_FM_H
25#define __SOUND_AINSTR_FM_H
26
27#ifndef __KERNEL__
28#include <asm/types.h>
29#include <asm/byteorder.h>
30#endif
31
32/*
33 * share types (share ID 1)
34 */
35
36#define FM_SHARE_FILE 0
37
38/*
39 * FM operator
40 */
41
42typedef struct fm_operator {
43 unsigned char am_vib;
44 unsigned char ksl_level;
45 unsigned char attack_decay;
46 unsigned char sustain_release;
47 unsigned char wave_select;
48} fm_operator_t;
49
50/*
51 * Instrument
52 */
53
54#define FM_PATCH_OPL2 0x01 /* OPL2 2 operators FM instrument */
55#define FM_PATCH_OPL3 0x02 /* OPL3 4 operators FM instrument */
56
57typedef struct {
58 unsigned int share_id[4]; /* share id - zero = no sharing */
59 unsigned char type; /* instrument type */
60
61 fm_operator_t op[4];
62 unsigned char feedback_connection[2];
63
64 unsigned char echo_delay;
65 unsigned char echo_atten;
66 unsigned char chorus_spread;
67 unsigned char trnsps;
68 unsigned char fix_dur;
69 unsigned char modes;
70 unsigned char fix_key;
71} fm_instrument_t;
72
73/*
74 *
75 * Kernel <-> user space
76 * Hardware (CPU) independent section
77 *
78 * * = zero or more
79 * + = one or more
80 *
81 * fm_xinstrument FM_STRU_INSTR
82 *
83 */
84
85#define FM_STRU_INSTR __cpu_to_be32(('I'<<24)|('N'<<16)|('S'<<8)|'T')
86
87/*
88 * FM operator
89 */
90
91typedef struct fm_xoperator {
92 __u8 am_vib;
93 __u8 ksl_level;
94 __u8 attack_decay;
95 __u8 sustain_release;
96 __u8 wave_select;
97} fm_xoperator_t;
98
99/*
100 * Instrument
101 */
102
103typedef struct fm_xinstrument {
104 __u32 stype; /* structure type */
105
106 __u32 share_id[4]; /* share id - zero = no sharing */
107 __u8 type; /* instrument type */
108
109 fm_xoperator_t op[4]; /* fm operators */
110 __u8 feedback_connection[2];
111
112 __u8 echo_delay;
113 __u8 echo_atten;
114 __u8 chorus_spread;
115 __u8 trnsps;
116 __u8 fix_dur;
117 __u8 modes;
118 __u8 fix_key;
119} fm_xinstrument_t;
120
121#ifdef __KERNEL__
122
123#include "seq_instr.h"
124
125int snd_seq_fm_init(snd_seq_kinstr_ops_t * ops,
126 snd_seq_kinstr_ops_t * next);
127
128#endif
129
130#endif /* __SOUND_AINSTR_FM_H */