2 * FM (OPL2/3) Instrument routines
3 * Copyright (c) 2000 Uros Bizjak <uros@kss-loka.si>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <sound/driver.h>
22 #include <linux/init.h>
23 #include <linux/sched.h>
24 #include <sound/core.h>
25 #include <sound/ainstr_fm.h>
26 #include <sound/initval.h>
27 #include <asm/uaccess.h>
29 MODULE_AUTHOR("Uros Bizjak <uros@kss-loka.si>");
30 MODULE_DESCRIPTION("Advanced Linux Sound Architecture FM Instrument support.");
31 MODULE_LICENSE("GPL");
33 char *snd_seq_fm_id
= SNDRV_SEQ_INSTR_ID_OPL2_3
;
35 static int snd_seq_fm_put(void *private_data
, snd_seq_kinstr_t
*instr
,
36 char __user
*instr_data
, long len
, int atomic
, int cmd
)
42 if (cmd
!= SNDRV_SEQ_INSTR_PUT_CMD_CREATE
)
44 /* copy instrument data */
45 if (len
< (long)sizeof(ix
))
47 if (copy_from_user(&ix
, instr_data
, sizeof(ix
)))
49 if (ix
.stype
!= FM_STRU_INSTR
)
51 ip
= (fm_instrument_t
*)KINSTR_DATA(instr
);
52 ip
->share_id
[0] = le32_to_cpu(ix
.share_id
[0]);
53 ip
->share_id
[1] = le32_to_cpu(ix
.share_id
[1]);
54 ip
->share_id
[2] = le32_to_cpu(ix
.share_id
[2]);
55 ip
->share_id
[3] = le32_to_cpu(ix
.share_id
[3]);
57 for (idx
= 0; idx
< 4; idx
++) {
58 ip
->op
[idx
].am_vib
= ix
.op
[idx
].am_vib
;
59 ip
->op
[idx
].ksl_level
= ix
.op
[idx
].ksl_level
;
60 ip
->op
[idx
].attack_decay
= ix
.op
[idx
].attack_decay
;
61 ip
->op
[idx
].sustain_release
= ix
.op
[idx
].sustain_release
;
62 ip
->op
[idx
].wave_select
= ix
.op
[idx
].wave_select
;
64 for (idx
= 0; idx
< 2; idx
++) {
65 ip
->feedback_connection
[idx
] = ix
.feedback_connection
[idx
];
67 ip
->echo_delay
= ix
.echo_delay
;
68 ip
->echo_atten
= ix
.echo_atten
;
69 ip
->chorus_spread
= ix
.chorus_spread
;
70 ip
->trnsps
= ix
.trnsps
;
71 ip
->fix_dur
= ix
.fix_dur
;
73 ip
->fix_key
= ix
.fix_key
;
77 static int snd_seq_fm_get(void *private_data
, snd_seq_kinstr_t
*instr
,
78 char __user
*instr_data
, long len
, int atomic
,
85 if (cmd
!= SNDRV_SEQ_INSTR_GET_CMD_FULL
)
87 if (len
< (long)sizeof(ix
))
89 memset(&ix
, 0, sizeof(ix
));
90 ip
= (fm_instrument_t
*)KINSTR_DATA(instr
);
91 ix
.stype
= FM_STRU_INSTR
;
92 ix
.share_id
[0] = cpu_to_le32(ip
->share_id
[0]);
93 ix
.share_id
[1] = cpu_to_le32(ip
->share_id
[1]);
94 ix
.share_id
[2] = cpu_to_le32(ip
->share_id
[2]);
95 ix
.share_id
[3] = cpu_to_le32(ip
->share_id
[3]);
97 for (idx
= 0; idx
< 4; idx
++) {
98 ix
.op
[idx
].am_vib
= ip
->op
[idx
].am_vib
;
99 ix
.op
[idx
].ksl_level
= ip
->op
[idx
].ksl_level
;
100 ix
.op
[idx
].attack_decay
= ip
->op
[idx
].attack_decay
;
101 ix
.op
[idx
].sustain_release
= ip
->op
[idx
].sustain_release
;
102 ix
.op
[idx
].wave_select
= ip
->op
[idx
].wave_select
;
104 for (idx
= 0; idx
< 2; idx
++) {
105 ix
.feedback_connection
[idx
] = ip
->feedback_connection
[idx
];
107 if (copy_to_user(instr_data
, &ix
, sizeof(ix
)))
109 ix
.echo_delay
= ip
->echo_delay
;
110 ix
.echo_atten
= ip
->echo_atten
;
111 ix
.chorus_spread
= ip
->chorus_spread
;
112 ix
.trnsps
= ip
->trnsps
;
113 ix
.fix_dur
= ip
->fix_dur
;
114 ix
.modes
= ip
->modes
;
115 ix
.fix_key
= ip
->fix_key
;
119 static int snd_seq_fm_get_size(void *private_data
, snd_seq_kinstr_t
*instr
,
122 *size
= sizeof(fm_xinstrument_t
);
126 int snd_seq_fm_init(snd_seq_kinstr_ops_t
*ops
,
127 snd_seq_kinstr_ops_t
*next
)
129 memset(ops
, 0, sizeof(*ops
));
130 // ops->private_data = private_data;
131 ops
->add_len
= sizeof(fm_instrument_t
);
132 ops
->instr_type
= snd_seq_fm_id
;
133 ops
->put
= snd_seq_fm_put
;
134 ops
->get
= snd_seq_fm_get
;
135 ops
->get_size
= snd_seq_fm_get_size
;
136 // ops->remove = snd_seq_fm_remove;
137 // ops->notify = snd_seq_fm_notify;
146 static int __init
alsa_ainstr_fm_init(void)
151 static void __exit
alsa_ainstr_fm_exit(void)
155 module_init(alsa_ainstr_fm_init
)
156 module_exit(alsa_ainstr_fm_exit
)
158 EXPORT_SYMBOL(snd_seq_fm_id
);
159 EXPORT_SYMBOL(snd_seq_fm_init
);