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);