95ff17564b
Move EXPORT_SYMBOL() to adjacent to each exported function/variable. Signed-off-by: Takashi Iwai <tiwai@suse.de>
194 lines
4.3 KiB
C
194 lines
4.3 KiB
C
/*
|
|
* Copyright (C) 2000 Takashi Iwai <tiwai@suse.de>
|
|
*
|
|
* Routines for control of EMU WaveTable chip
|
|
*
|
|
* 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/wait.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/string.h>
|
|
#include <sound/core.h>
|
|
#include <sound/emux_synth.h>
|
|
#include <linux/init.h>
|
|
#include "emux_voice.h"
|
|
|
|
MODULE_AUTHOR("Takashi Iwai");
|
|
MODULE_DESCRIPTION("Routines for control of EMU WaveTable chip");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
/*
|
|
* create a new hardware dependent device for Emu8000/Emu10k1
|
|
*/
|
|
int snd_emux_new(struct snd_emux **remu)
|
|
{
|
|
struct snd_emux *emu;
|
|
|
|
*remu = NULL;
|
|
emu = kzalloc(sizeof(*emu), GFP_KERNEL);
|
|
if (emu == NULL)
|
|
return -ENOMEM;
|
|
|
|
spin_lock_init(&emu->voice_lock);
|
|
mutex_init(&emu->register_mutex);
|
|
|
|
emu->client = -1;
|
|
#ifdef CONFIG_SND_SEQUENCER_OSS
|
|
emu->oss_synth = NULL;
|
|
#endif
|
|
emu->max_voices = 0;
|
|
emu->use_time = 0;
|
|
|
|
init_timer(&emu->tlist);
|
|
emu->tlist.function = snd_emux_timer_callback;
|
|
emu->tlist.data = (unsigned long)emu;
|
|
emu->timer_active = 0;
|
|
|
|
*remu = emu;
|
|
return 0;
|
|
}
|
|
|
|
EXPORT_SYMBOL(snd_emux_new);
|
|
|
|
/*
|
|
*/
|
|
static int sf_sample_new(void *private_data, struct snd_sf_sample *sp,
|
|
struct snd_util_memhdr *hdr,
|
|
const void __user *buf, long count)
|
|
{
|
|
struct snd_emux *emu = private_data;
|
|
return emu->ops.sample_new(emu, sp, hdr, buf, count);
|
|
|
|
}
|
|
|
|
static int sf_sample_free(void *private_data, struct snd_sf_sample *sp,
|
|
struct snd_util_memhdr *hdr)
|
|
{
|
|
struct snd_emux *emu = private_data;
|
|
return emu->ops.sample_free(emu, sp, hdr);
|
|
|
|
}
|
|
|
|
static void sf_sample_reset(void *private_data)
|
|
{
|
|
struct snd_emux *emu = private_data;
|
|
emu->ops.sample_reset(emu);
|
|
}
|
|
|
|
int snd_emux_register(struct snd_emux *emu, struct snd_card *card, int index, char *name)
|
|
{
|
|
int err;
|
|
struct snd_sf_callback sf_cb;
|
|
|
|
snd_assert(emu->hw != NULL, return -EINVAL);
|
|
snd_assert(emu->max_voices > 0, return -EINVAL);
|
|
snd_assert(card != NULL, return -EINVAL);
|
|
snd_assert(name != NULL, return -EINVAL);
|
|
|
|
emu->card = card;
|
|
emu->name = kstrdup(name, GFP_KERNEL);
|
|
emu->voices = kcalloc(emu->max_voices, sizeof(struct snd_emux_voice),
|
|
GFP_KERNEL);
|
|
if (emu->voices == NULL)
|
|
return -ENOMEM;
|
|
|
|
/* create soundfont list */
|
|
memset(&sf_cb, 0, sizeof(sf_cb));
|
|
sf_cb.private_data = emu;
|
|
if (emu->ops.sample_new)
|
|
sf_cb.sample_new = sf_sample_new;
|
|
if (emu->ops.sample_free)
|
|
sf_cb.sample_free = sf_sample_free;
|
|
if (emu->ops.sample_reset)
|
|
sf_cb.sample_reset = sf_sample_reset;
|
|
emu->sflist = snd_sf_new(&sf_cb, emu->memhdr);
|
|
if (emu->sflist == NULL)
|
|
return -ENOMEM;
|
|
|
|
if ((err = snd_emux_init_hwdep(emu)) < 0)
|
|
return err;
|
|
|
|
snd_emux_init_voices(emu);
|
|
|
|
snd_emux_init_seq(emu, card, index);
|
|
#ifdef CONFIG_SND_SEQUENCER_OSS
|
|
snd_emux_init_seq_oss(emu);
|
|
#endif
|
|
snd_emux_init_virmidi(emu, card);
|
|
|
|
#ifdef CONFIG_PROC_FS
|
|
snd_emux_proc_init(emu, card, index);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
EXPORT_SYMBOL(snd_emux_register);
|
|
|
|
/*
|
|
*/
|
|
int snd_emux_free(struct snd_emux *emu)
|
|
{
|
|
unsigned long flags;
|
|
|
|
if (! emu)
|
|
return -EINVAL;
|
|
|
|
spin_lock_irqsave(&emu->voice_lock, flags);
|
|
if (emu->timer_active)
|
|
del_timer(&emu->tlist);
|
|
spin_unlock_irqrestore(&emu->voice_lock, flags);
|
|
|
|
#ifdef CONFIG_PROC_FS
|
|
snd_emux_proc_free(emu);
|
|
#endif
|
|
snd_emux_delete_virmidi(emu);
|
|
#ifdef CONFIG_SND_SEQUENCER_OSS
|
|
snd_emux_detach_seq_oss(emu);
|
|
#endif
|
|
snd_emux_detach_seq(emu);
|
|
|
|
snd_emux_delete_hwdep(emu);
|
|
|
|
if (emu->sflist)
|
|
snd_sf_free(emu->sflist);
|
|
|
|
kfree(emu->voices);
|
|
kfree(emu->name);
|
|
kfree(emu);
|
|
return 0;
|
|
}
|
|
|
|
EXPORT_SYMBOL(snd_emux_free);
|
|
|
|
|
|
/*
|
|
* INIT part
|
|
*/
|
|
|
|
static int __init alsa_emux_init(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void __exit alsa_emux_exit(void)
|
|
{
|
|
}
|
|
|
|
module_init(alsa_emux_init)
|
|
module_exit(alsa_emux_exit)
|