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-rw-r--r--sound/oss/dm.h79
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diff --git a/sound/oss/dm.h b/sound/oss/dm.h
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1#ifndef _DRIVERS_SOUND_DM_H
2#define _DRIVERS_SOUND_DM_H
3
4/*
5 * Definitions of the 'direct midi sound' interface used
6 * by the newer commercial OSS package. We should export
7 * this to userland somewhere in glibc later.
8 */
9
10/*
11 * Data structure composing an FM "note" or sound event.
12 */
13
14struct dm_fm_voice
15{
16 u8 op;
17 u8 voice;
18 u8 am;
19 u8 vibrato;
20 u8 do_sustain;
21 u8 kbd_scale;
22 u8 harmonic;
23 u8 scale_level;
24 u8 volume;
25 u8 attack;
26 u8 decay;
27 u8 sustain;
28 u8 release;
29 u8 feedback;
30 u8 connection;
31 u8 left;
32 u8 right;
33 u8 waveform;
34};
35
36/*
37 * This describes an FM note by its voice, octave, frequency number (10bit)
38 * and key on/off.
39 */
40
41struct dm_fm_note
42{
43 u8 voice;
44 u8 octave;
45 u32 fnum;
46 u8 key_on;
47};
48
49/*
50 * FM parameters that apply globally to all voices, and thus are not "notes"
51 */
52
53struct dm_fm_params
54{
55 u8 am_depth;
56 u8 vib_depth;
57 u8 kbd_split;
58 u8 rhythm;
59
60 /* This block is the percussion instrument data */
61 u8 bass;
62 u8 snare;
63 u8 tomtom;
64 u8 cymbal;
65 u8 hihat;
66};
67
68/*
69 * FM mode ioctl settings
70 */
71
72#define FM_IOCTL_RESET 0x20
73#define FM_IOCTL_PLAY_NOTE 0x21
74#define FM_IOCTL_SET_VOICE 0x22
75#define FM_IOCTL_SET_PARAMS 0x23
76#define FM_IOCTL_SET_MODE 0x24
77#define FM_IOCTL_SET_OPL 0x25
78
79#endif