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");
32 MODULE_CLASSES("{sound}");
33 MODULE_SUPPORTED_DEVICE("sound");
35 char *snd_seq_fm_id = SNDRV_SEQ_INSTR_ID_OPL2_3;
37 static int snd_seq_fm_put(void *private_data, snd_seq_kinstr_t *instr,
38 char __user *instr_data, long len, int atomic, int cmd)
44 if (cmd != SNDRV_SEQ_INSTR_PUT_CMD_CREATE)
46 /* copy instrument data */
47 if (len < (long)sizeof(ix))
49 if (copy_from_user(&ix, instr_data, sizeof(ix)))
51 if (ix.stype != FM_STRU_INSTR)
53 ip = (fm_instrument_t *)KINSTR_DATA(instr);
54 ip->share_id[0] = le32_to_cpu(ix.share_id[0]);
55 ip->share_id[1] = le32_to_cpu(ix.share_id[1]);
56 ip->share_id[2] = le32_to_cpu(ix.share_id[2]);
57 ip->share_id[3] = le32_to_cpu(ix.share_id[3]);
59 for (idx = 0; idx < 4; idx++) {
60 ip->op[idx].am_vib = ix.op[idx].am_vib;
61 ip->op[idx].ksl_level = ix.op[idx].ksl_level;
62 ip->op[idx].attack_decay = ix.op[idx].attack_decay;
63 ip->op[idx].sustain_release = ix.op[idx].sustain_release;
64 ip->op[idx].wave_select = ix.op[idx].wave_select;
66 for (idx = 0; idx < 2; idx++) {
67 ip->feedback_connection[idx] = ix.feedback_connection[idx];
69 ip->echo_delay = ix.echo_delay;
70 ip->echo_atten = ix.echo_atten;
71 ip->chorus_spread = ix.chorus_spread;
72 ip->trnsps = ix.trnsps;
73 ip->fix_dur = ix.fix_dur;
75 ip->fix_key = ix.fix_key;
79 static int snd_seq_fm_get(void *private_data, snd_seq_kinstr_t *instr,
80 char __user *instr_data, long len, int atomic,
87 if (cmd != SNDRV_SEQ_INSTR_GET_CMD_FULL)
89 if (len < (long)sizeof(ix))
91 memset(&ix, 0, sizeof(ix));
92 ip = (fm_instrument_t *)KINSTR_DATA(instr);
93 ix.stype = FM_STRU_INSTR;
94 ix.share_id[0] = cpu_to_le32(ip->share_id[0]);
95 ix.share_id[1] = cpu_to_le32(ip->share_id[1]);
96 ix.share_id[2] = cpu_to_le32(ip->share_id[2]);
97 ix.share_id[3] = cpu_to_le32(ip->share_id[3]);
99 for (idx = 0; idx < 4; idx++) {
100 ix.op[idx].am_vib = ip->op[idx].am_vib;
101 ix.op[idx].ksl_level = ip->op[idx].ksl_level;
102 ix.op[idx].attack_decay = ip->op[idx].attack_decay;
103 ix.op[idx].sustain_release = ip->op[idx].sustain_release;
104 ix.op[idx].wave_select = ip->op[idx].wave_select;
106 for (idx = 0; idx < 2; idx++) {
107 ix.feedback_connection[idx] = ip->feedback_connection[idx];
109 if (copy_to_user(instr_data, &ix, sizeof(ix)))
111 ix.echo_delay = ip->echo_delay;
112 ix.echo_atten = ip->echo_atten;
113 ix.chorus_spread = ip->chorus_spread;
114 ix.trnsps = ip->trnsps;
115 ix.fix_dur = ip->fix_dur;
116 ix.modes = ip->modes;
117 ix.fix_key = ip->fix_key;
121 static int snd_seq_fm_get_size(void *private_data, snd_seq_kinstr_t *instr,
124 *size = sizeof(fm_xinstrument_t);
128 int snd_seq_fm_init(snd_seq_kinstr_ops_t *ops,
129 snd_seq_kinstr_ops_t *next)
131 memset(ops, 0, sizeof(*ops));
132 // ops->private_data = private_data;
133 ops->add_len = sizeof(fm_instrument_t);
134 ops->instr_type = snd_seq_fm_id;
135 ops->put = snd_seq_fm_put;
136 ops->get = snd_seq_fm_get;
137 ops->get_size = snd_seq_fm_get_size;
138 // ops->remove = snd_seq_fm_remove;
139 // ops->notify = snd_seq_fm_notify;
148 static int __init alsa_ainstr_fm_init(void)
153 static void __exit alsa_ainstr_fm_exit(void)
157 module_init(alsa_ainstr_fm_init)
158 module_exit(alsa_ainstr_fm_exit)
160 EXPORT_SYMBOL(snd_seq_fm_id);
161 EXPORT_SYMBOL(snd_seq_fm_init);