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/*
* FM (OPL2/3) Instrument routines
* 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
*
*/
#include <sound/driver.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <sound/core.h>
#include <sound/ainstr_fm.h>
#include <sound/initval.h>
#include <asm/uaccess.h>
MODULE_AUTHOR("Uros Bizjak <uros@kss-loka.si>");
MODULE_DESCRIPTION("Advanced Linux Sound Architecture FM Instrument support.");
MODULE_LICENSE("GPL");
static int snd_seq_fm_put(void *private_data, struct snd_seq_kinstr *instr,
char __user *instr_data, long len, int atomic, int cmd)
{
struct fm_instrument *ip;
struct fm_xinstrument ix;
int idx;
if (cmd != SNDRV_SEQ_INSTR_PUT_CMD_CREATE)
return -EINVAL;
/* copy instrument data */
if (len < (long)sizeof(ix))
return -EINVAL;
if (copy_from_user(&ix, instr_data, sizeof(ix)))
return -EFAULT;
if (ix.stype != FM_STRU_INSTR)
return -EINVAL;
ip = (struct fm_instrument *)KINSTR_DATA(instr);
ip->share_id[0] = le32_to_cpu(ix.share_id[0]);
ip->share_id[1] = le32_to_cpu(ix.share_id[1]);
ip->share_id[2] = le32_to_cpu(ix.share_id[2]);
ip->share_id[3] = le32_to_cpu(ix.share_id[3]);
ip->type = ix.type;
for (idx = 0; idx < 4; idx++) {
ip->op[idx].am_vib = ix.op[idx].am_vib;
ip->op[idx].ksl_level = ix.op[idx].ksl_level;
ip->op[idx].attack_decay = ix.op[idx].attack_decay;
ip->op[idx].sustain_release = ix.op[idx].sustain_release;
ip->op[idx].wave_select = ix.op[idx].wave_select;
}
for (idx = 0; idx < 2; idx++) {
ip->feedback_connection[idx] = ix.feedback_connection[idx];
}
ip->echo_delay = ix.echo_delay;
ip->echo_atten = ix.echo_atten;
ip->chorus_spread = ix.chorus_spread;
ip->trnsps = ix.trnsps;
ip->fix_dur = ix.fix_dur;
ip->modes = ix.modes;
ip->fix_key = ix.fix_key;
return 0;
}
static int snd_seq_fm_get(void *private_data, struct snd_seq_kinstr *instr,
char __user *instr_data, long len, int atomic,
int cmd)
{
struct fm_instrument *ip;
struct fm_xinstrument ix;
int idx;
if (cmd != SNDRV_SEQ_INSTR_GET_CMD_FULL)
return -EINVAL;
if (len < (long)sizeof(ix))
return -ENOMEM;
memset(&ix, 0, sizeof(ix));
ip = (struct fm_instrument *)KINSTR_DATA(instr);
ix.stype = FM_STRU_INSTR;
ix.share_id[0] = cpu_to_le32(ip->share_id[0]);
ix.share_id[1] = cpu_to_le32(ip->share_id[1]);
ix.share_id[2] = cpu_to_le32(ip->share_id[2]);
ix.share_id[3] = cpu_to_le32(ip->share_id[3]);
ix.type = ip->type;
for (idx = 0; idx < 4; idx++) {
ix.op[idx].am_vib = ip->op[idx].am_vib;
ix.op[idx].ksl_level = ip->op[idx].ksl_level;
ix.op[idx].attack_decay = ip->op[idx].attack_decay;
ix.op[idx].sustain_release = ip->op[idx].sustain_release;
ix.op[idx].wave_select = ip->op[idx].wave_select;
}
for (idx = 0; idx < 2; idx++) {
ix.feedback_connection[idx] = ip->feedback_connection[idx];
}
if (copy_to_user(instr_data, &ix, sizeof(ix)))
return -EFAULT;
ix.echo_delay = ip->echo_delay;
ix.echo_atten = ip->echo_atten;
ix.chorus_spread = ip->chorus_spread;
ix.trnsps = ip->trnsps;
ix.fix_dur = ip->fix_dur;
ix.modes = ip->modes;
ix.fix_key = ip->fix_key;
return 0;
}
static int snd_seq_fm_get_size(void *private_data, struct snd_seq_kinstr *instr,
long *size)
{
*size = sizeof(struct fm_xinstrument);
return 0;
}
int snd_seq_fm_init(struct snd_seq_kinstr_ops *ops,
struct snd_seq_kinstr_ops *next)
{
memset(ops, 0, sizeof(*ops));
// ops->private_data = private_data;
ops->add_len = sizeof(struct fm_instrument);
ops->instr_type = SNDRV_SEQ_INSTR_ID_OPL2_3;
ops->put = snd_seq_fm_put;
ops->get = snd_seq_fm_get;
ops->get_size = snd_seq_fm_get_size;
// ops->remove = snd_seq_fm_remove;
// ops->notify = snd_seq_fm_notify;
ops->next = next;
return 0;
}
/*
* Init part
*/
static int __init alsa_ainstr_fm_init(void)
{
return 0;
}
static void __exit alsa_ainstr_fm_exit(void)
{
}
module_init(alsa_ainstr_fm_init)
module_exit(alsa_ainstr_fm_exit)
EXPORT_SYMBOL(snd_seq_fm_init);
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