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Diffstat (limited to 'include/sound/ainstr_fm.h')
| -rw-r--r-- | include/sound/ainstr_fm.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/include/sound/ainstr_fm.h b/include/sound/ainstr_fm.h new file mode 100644 index 0000000..0ec0295 --- /dev/null +++ b/include/sound/ainstr_fm.h @@ -0,0 +1,130 @@ +/* + * 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 + */ + +typedef struct fm_operator { + unsigned char am_vib; + unsigned char ksl_level; + unsigned char attack_decay; + unsigned char sustain_release; + unsigned char wave_select; +} fm_operator_t; + +/* + * Instrument + */ + +#define FM_PATCH_OPL2 0x01 /* OPL2 2 operators FM instrument */ +#define FM_PATCH_OPL3 0x02 /* OPL3 4 operators FM instrument */ + +typedef struct { + unsigned int share_id[4]; /* share id - zero = no sharing */ + unsigned char type; /* instrument type */ + + fm_operator_t 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; +} fm_instrument_t; + +/* + * + * 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 + */ + +typedef struct fm_xoperator { + __u8 am_vib; + __u8 ksl_level; + __u8 attack_decay; + __u8 sustain_release; + __u8 wave_select; +} fm_xoperator_t; + +/* + * Instrument + */ + +typedef struct fm_xinstrument { + __u32 stype; /* structure type */ + + __u32 share_id[4]; /* share id - zero = no sharing */ + __u8 type; /* instrument type */ + + fm_xoperator_t 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; +} fm_xinstrument_t; + +#ifdef __KERNEL__ + +#include "seq_instr.h" + +int snd_seq_fm_init(snd_seq_kinstr_ops_t * ops, + snd_seq_kinstr_ops_t * next); + +#endif + +#endif /* __SOUND_AINSTR_FM_H */ |
