| /* |
| * 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 <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); |