2 * Copyright (C) 2000 Takashi Iwai <tiwai@suse.de>
4 * Routines for control of EMU WaveTable chip
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <linux/wait.h>
22 #include <linux/slab.h>
23 #include <linux/string.h>
24 #include <sound/core.h>
25 #include <sound/emux_synth.h>
26 #include <linux/init.h>
27 #include <linux/module.h>
28 #include "emux_voice.h"
30 MODULE_AUTHOR("Takashi Iwai");
31 MODULE_DESCRIPTION("Routines for control of EMU WaveTable chip");
32 MODULE_LICENSE("GPL");
35 * create a new hardware dependent device for Emu8000/Emu10k1
37 int snd_emux_new(struct snd_emux **remu)
42 emu = kzalloc(sizeof(*emu), GFP_KERNEL);
46 spin_lock_init(&emu->voice_lock);
47 mutex_init(&emu->register_mutex);
50 #ifdef CONFIG_SND_SEQUENCER_OSS
51 emu->oss_synth = NULL;
56 setup_timer(&emu->tlist, snd_emux_timer_callback, (unsigned long)emu);
57 emu->timer_active = 0;
63 EXPORT_SYMBOL(snd_emux_new);
67 static int sf_sample_new(void *private_data, struct snd_sf_sample *sp,
68 struct snd_util_memhdr *hdr,
69 const void __user *buf, long count)
71 struct snd_emux *emu = private_data;
72 return emu->ops.sample_new(emu, sp, hdr, buf, count);
76 static int sf_sample_free(void *private_data, struct snd_sf_sample *sp,
77 struct snd_util_memhdr *hdr)
79 struct snd_emux *emu = private_data;
80 return emu->ops.sample_free(emu, sp, hdr);
84 static void sf_sample_reset(void *private_data)
86 struct snd_emux *emu = private_data;
87 emu->ops.sample_reset(emu);
90 int snd_emux_register(struct snd_emux *emu, struct snd_card *card, int index, char *name)
93 struct snd_sf_callback sf_cb;
95 if (snd_BUG_ON(!emu->hw || emu->max_voices <= 0))
97 if (snd_BUG_ON(!card || !name))
101 emu->name = kstrdup(name, GFP_KERNEL);
102 emu->voices = kcalloc(emu->max_voices, sizeof(struct snd_emux_voice),
104 if (emu->voices == NULL)
107 /* create soundfont list */
108 memset(&sf_cb, 0, sizeof(sf_cb));
109 sf_cb.private_data = emu;
110 if (emu->ops.sample_new)
111 sf_cb.sample_new = sf_sample_new;
112 if (emu->ops.sample_free)
113 sf_cb.sample_free = sf_sample_free;
114 if (emu->ops.sample_reset)
115 sf_cb.sample_reset = sf_sample_reset;
116 emu->sflist = snd_sf_new(&sf_cb, emu->memhdr);
117 if (emu->sflist == NULL)
120 if ((err = snd_emux_init_hwdep(emu)) < 0)
123 snd_emux_init_voices(emu);
125 snd_emux_init_seq(emu, card, index);
126 #ifdef CONFIG_SND_SEQUENCER_OSS
127 snd_emux_init_seq_oss(emu);
129 snd_emux_init_virmidi(emu, card);
131 snd_emux_proc_init(emu, card, index);
135 EXPORT_SYMBOL(snd_emux_register);
139 int snd_emux_free(struct snd_emux *emu)
146 spin_lock_irqsave(&emu->voice_lock, flags);
147 if (emu->timer_active)
148 del_timer(&emu->tlist);
149 spin_unlock_irqrestore(&emu->voice_lock, flags);
151 snd_emux_proc_free(emu);
152 snd_emux_delete_virmidi(emu);
153 #ifdef CONFIG_SND_SEQUENCER_OSS
154 snd_emux_detach_seq_oss(emu);
156 snd_emux_detach_seq(emu);
157 snd_emux_delete_hwdep(emu);
158 snd_sf_free(emu->sflist);
165 EXPORT_SYMBOL(snd_emux_free);
172 static int __init alsa_emux_init(void)
177 static void __exit alsa_emux_exit(void)
181 module_init(alsa_emux_init)
182 module_exit(alsa_emux_exit)