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/*
* Advanced Linux Sound Architecture
*
* FM (OPL2/3) Instrument Format
* Copyright (c) 2000 Uros Bizjak <uros@kss-loka.si>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __SOUND_AINSTR_FM_H
#define __SOUND_AINSTR_FM_H
#ifndef __KERNEL__
#include <asm/types.h>
#include <asm/byteorder.h>
#endif
/*
* share types (share ID 1)
*/
#define FM_SHARE_FILE 0
/*
* FM operator
*/
struct fm_operator {
unsigned char am_vib;
unsigned char ksl_level;
unsigned char attack_decay;
unsigned char sustain_release;
unsigned char wave_select;
};
/*
* Instrument
*/
#define FM_PATCH_OPL2 0x01 /* OPL2 2 operators FM instrument */
#define FM_PATCH_OPL3 0x02 /* OPL3 4 operators FM instrument */
struct fm_instrument {
unsigned int share_id[4]; /* share id - zero = no sharing */
unsigned char type; /* instrument type */
struct fm_operator op[4];
unsigned char feedback_connection[2];
unsigned char echo_delay;
unsigned char echo_atten;
unsigned char chorus_spread;
unsigned char trnsps;
unsigned char fix_dur;
unsigned char modes;
unsigned char fix_key;
};
/*
*
* Kernel <-> user space
* Hardware (CPU) independent section
*
* * = zero or more
* + = one or more
*
* fm_xinstrument FM_STRU_INSTR
*
*/
#define FM_STRU_INSTR __cpu_to_be32(('I'<<24)|('N'<<16)|('S'<<8)|'T')
/*
* FM operator
*/
struct fm_xoperator {
__u8 am_vib;
__u8 ksl_level;
__u8 attack_decay;
__u8 sustain_release;
__u8 wave_select;
};
/*
* Instrument
*/
struct fm_xinstrument {
__u32 stype; /* structure type */
__u32 share_id[4]; /* share id - zero = no sharing */
__u8 type; /* instrument type */
struct fm_xoperator op[4]; /* fm operators */
__u8 feedback_connection[2];
__u8 echo_delay;
__u8 echo_atten;
__u8 chorus_spread;
__u8 trnsps;
__u8 fix_dur;
__u8 modes;
__u8 fix_key;
};
#ifdef __KERNEL__
#include "seq_instr.h"
int snd_seq_fm_init(struct snd_seq_kinstr_ops * ops,
struct snd_seq_kinstr_ops * next);
#endif
/* typedefs for compatibility to user-space */
typedef struct fm_xoperator fm_xoperator_t;
typedef struct fm_xinstrument fm_xinstrument_t;
#endif /* __SOUND_AINSTR_FM_H */
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