Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * FM (OPL2/3) Instrument routines |
| 3 | * Copyright (c) 2000 Uros Bizjak <uros@kss-loka.si> |
| 4 | * |
| 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. |
| 9 | * |
| 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. |
| 14 | * |
| 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 |
| 18 | * |
| 19 | */ |
| 20 | |
| 21 | #include <sound/driver.h> |
| 22 | #include <linux/init.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | #include <sound/core.h> |
| 24 | #include <sound/ainstr_fm.h> |
| 25 | #include <sound/initval.h> |
| 26 | #include <asm/uaccess.h> |
| 27 | |
| 28 | MODULE_AUTHOR("Uros Bizjak <uros@kss-loka.si>"); |
| 29 | MODULE_DESCRIPTION("Advanced Linux Sound Architecture FM Instrument support."); |
| 30 | MODULE_LICENSE("GPL"); |
| 31 | |
Takashi Iwai | 19ac31e | 2005-11-17 14:04:44 +0100 | [diff] [blame] | 32 | static int snd_seq_fm_put(void *private_data, struct snd_seq_kinstr *instr, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | char __user *instr_data, long len, int atomic, int cmd) |
| 34 | { |
Takashi Iwai | 19ac31e | 2005-11-17 14:04:44 +0100 | [diff] [blame] | 35 | struct fm_instrument *ip; |
| 36 | struct fm_xinstrument ix; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | int idx; |
| 38 | |
| 39 | if (cmd != SNDRV_SEQ_INSTR_PUT_CMD_CREATE) |
| 40 | return -EINVAL; |
| 41 | /* copy instrument data */ |
| 42 | if (len < (long)sizeof(ix)) |
| 43 | return -EINVAL; |
| 44 | if (copy_from_user(&ix, instr_data, sizeof(ix))) |
| 45 | return -EFAULT; |
| 46 | if (ix.stype != FM_STRU_INSTR) |
| 47 | return -EINVAL; |
Takashi Iwai | 19ac31e | 2005-11-17 14:04:44 +0100 | [diff] [blame] | 48 | ip = (struct fm_instrument *)KINSTR_DATA(instr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | ip->share_id[0] = le32_to_cpu(ix.share_id[0]); |
| 50 | ip->share_id[1] = le32_to_cpu(ix.share_id[1]); |
| 51 | ip->share_id[2] = le32_to_cpu(ix.share_id[2]); |
| 52 | ip->share_id[3] = le32_to_cpu(ix.share_id[3]); |
| 53 | ip->type = ix.type; |
| 54 | for (idx = 0; idx < 4; idx++) { |
| 55 | ip->op[idx].am_vib = ix.op[idx].am_vib; |
| 56 | ip->op[idx].ksl_level = ix.op[idx].ksl_level; |
| 57 | ip->op[idx].attack_decay = ix.op[idx].attack_decay; |
| 58 | ip->op[idx].sustain_release = ix.op[idx].sustain_release; |
| 59 | ip->op[idx].wave_select = ix.op[idx].wave_select; |
| 60 | } |
| 61 | for (idx = 0; idx < 2; idx++) { |
| 62 | ip->feedback_connection[idx] = ix.feedback_connection[idx]; |
| 63 | } |
| 64 | ip->echo_delay = ix.echo_delay; |
| 65 | ip->echo_atten = ix.echo_atten; |
| 66 | ip->chorus_spread = ix.chorus_spread; |
| 67 | ip->trnsps = ix.trnsps; |
| 68 | ip->fix_dur = ix.fix_dur; |
| 69 | ip->modes = ix.modes; |
| 70 | ip->fix_key = ix.fix_key; |
| 71 | return 0; |
| 72 | } |
| 73 | |
Takashi Iwai | 19ac31e | 2005-11-17 14:04:44 +0100 | [diff] [blame] | 74 | static int snd_seq_fm_get(void *private_data, struct snd_seq_kinstr *instr, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | char __user *instr_data, long len, int atomic, |
| 76 | int cmd) |
| 77 | { |
Takashi Iwai | 19ac31e | 2005-11-17 14:04:44 +0100 | [diff] [blame] | 78 | struct fm_instrument *ip; |
| 79 | struct fm_xinstrument ix; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | int idx; |
| 81 | |
| 82 | if (cmd != SNDRV_SEQ_INSTR_GET_CMD_FULL) |
| 83 | return -EINVAL; |
| 84 | if (len < (long)sizeof(ix)) |
| 85 | return -ENOMEM; |
| 86 | memset(&ix, 0, sizeof(ix)); |
Takashi Iwai | 19ac31e | 2005-11-17 14:04:44 +0100 | [diff] [blame] | 87 | ip = (struct fm_instrument *)KINSTR_DATA(instr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | ix.stype = FM_STRU_INSTR; |
| 89 | ix.share_id[0] = cpu_to_le32(ip->share_id[0]); |
| 90 | ix.share_id[1] = cpu_to_le32(ip->share_id[1]); |
| 91 | ix.share_id[2] = cpu_to_le32(ip->share_id[2]); |
| 92 | ix.share_id[3] = cpu_to_le32(ip->share_id[3]); |
| 93 | ix.type = ip->type; |
| 94 | for (idx = 0; idx < 4; idx++) { |
| 95 | ix.op[idx].am_vib = ip->op[idx].am_vib; |
| 96 | ix.op[idx].ksl_level = ip->op[idx].ksl_level; |
| 97 | ix.op[idx].attack_decay = ip->op[idx].attack_decay; |
| 98 | ix.op[idx].sustain_release = ip->op[idx].sustain_release; |
| 99 | ix.op[idx].wave_select = ip->op[idx].wave_select; |
| 100 | } |
| 101 | for (idx = 0; idx < 2; idx++) { |
| 102 | ix.feedback_connection[idx] = ip->feedback_connection[idx]; |
| 103 | } |
| 104 | if (copy_to_user(instr_data, &ix, sizeof(ix))) |
| 105 | return -EFAULT; |
| 106 | ix.echo_delay = ip->echo_delay; |
| 107 | ix.echo_atten = ip->echo_atten; |
| 108 | ix.chorus_spread = ip->chorus_spread; |
| 109 | ix.trnsps = ip->trnsps; |
| 110 | ix.fix_dur = ip->fix_dur; |
| 111 | ix.modes = ip->modes; |
| 112 | ix.fix_key = ip->fix_key; |
| 113 | return 0; |
| 114 | } |
| 115 | |
Takashi Iwai | 19ac31e | 2005-11-17 14:04:44 +0100 | [diff] [blame] | 116 | static int snd_seq_fm_get_size(void *private_data, struct snd_seq_kinstr *instr, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | long *size) |
| 118 | { |
Takashi Iwai | 19ac31e | 2005-11-17 14:04:44 +0100 | [diff] [blame] | 119 | *size = sizeof(struct fm_xinstrument); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | return 0; |
| 121 | } |
| 122 | |
Takashi Iwai | 19ac31e | 2005-11-17 14:04:44 +0100 | [diff] [blame] | 123 | int snd_seq_fm_init(struct snd_seq_kinstr_ops *ops, |
| 124 | struct snd_seq_kinstr_ops *next) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 125 | { |
| 126 | memset(ops, 0, sizeof(*ops)); |
| 127 | // ops->private_data = private_data; |
Takashi Iwai | 19ac31e | 2005-11-17 14:04:44 +0100 | [diff] [blame] | 128 | ops->add_len = sizeof(struct fm_instrument); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | ops->instr_type = SNDRV_SEQ_INSTR_ID_OPL2_3; |
| 130 | ops->put = snd_seq_fm_put; |
| 131 | ops->get = snd_seq_fm_get; |
| 132 | ops->get_size = snd_seq_fm_get_size; |
| 133 | // ops->remove = snd_seq_fm_remove; |
| 134 | // ops->notify = snd_seq_fm_notify; |
| 135 | ops->next = next; |
| 136 | return 0; |
| 137 | } |
| 138 | |
| 139 | /* |
| 140 | * Init part |
| 141 | */ |
| 142 | |
| 143 | static int __init alsa_ainstr_fm_init(void) |
| 144 | { |
| 145 | return 0; |
| 146 | } |
| 147 | |
| 148 | static void __exit alsa_ainstr_fm_exit(void) |
| 149 | { |
| 150 | } |
| 151 | |
| 152 | module_init(alsa_ainstr_fm_init) |
| 153 | module_exit(alsa_ainstr_fm_exit) |
| 154 | |
| 155 | EXPORT_SYMBOL(snd_seq_fm_init); |