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-rw-r--r--include/sound/ainstr_fm.h130
1 files changed, 130 insertions, 0 deletions
diff --git a/include/sound/ainstr_fm.h b/include/sound/ainstr_fm.h
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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
+ */
+
+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 */
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