121 lines
3.2 KiB
C
121 lines
3.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* ALSA sequencer main module
|
|
* Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl>
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/module.h>
|
|
#include <linux/device.h>
|
|
#include <sound/core.h>
|
|
#include <sound/initval.h>
|
|
|
|
#include <sound/seq_kernel.h>
|
|
#include "seq_clientmgr.h"
|
|
#include "seq_memory.h"
|
|
#include "seq_queue.h"
|
|
#include "seq_lock.h"
|
|
#include "seq_timer.h"
|
|
#include "seq_system.h"
|
|
#include "seq_info.h"
|
|
#include <sound/minors.h>
|
|
#include <sound/seq_device.h>
|
|
|
|
#if defined(CONFIG_SND_SEQ_DUMMY_MODULE)
|
|
int seq_client_load[15] = {[0] = SNDRV_SEQ_CLIENT_DUMMY, [1 ... 14] = -1};
|
|
#else
|
|
int seq_client_load[15] = {[0 ... 14] = -1};
|
|
#endif
|
|
int seq_default_timer_class = SNDRV_TIMER_CLASS_GLOBAL;
|
|
int seq_default_timer_sclass = SNDRV_TIMER_SCLASS_NONE;
|
|
int seq_default_timer_card = -1;
|
|
int seq_default_timer_device =
|
|
#ifdef CONFIG_SND_SEQ_HRTIMER_DEFAULT
|
|
SNDRV_TIMER_GLOBAL_HRTIMER
|
|
#else
|
|
SNDRV_TIMER_GLOBAL_SYSTEM
|
|
#endif
|
|
;
|
|
int seq_default_timer_subdevice = 0;
|
|
int seq_default_timer_resolution = 0; /* Hz */
|
|
|
|
MODULE_AUTHOR("Frank van de Pol <fvdpol@coil.demon.nl>, Jaroslav Kysela <perex@perex.cz>");
|
|
MODULE_DESCRIPTION("Advanced Linux Sound Architecture sequencer.");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
module_param_array(seq_client_load, int, NULL, 0444);
|
|
MODULE_PARM_DESC(seq_client_load, "The numbers of global (system) clients to load through kmod.");
|
|
module_param(seq_default_timer_class, int, 0644);
|
|
MODULE_PARM_DESC(seq_default_timer_class, "The default timer class.");
|
|
module_param(seq_default_timer_sclass, int, 0644);
|
|
MODULE_PARM_DESC(seq_default_timer_sclass, "The default timer slave class.");
|
|
module_param(seq_default_timer_card, int, 0644);
|
|
MODULE_PARM_DESC(seq_default_timer_card, "The default timer card number.");
|
|
module_param(seq_default_timer_device, int, 0644);
|
|
MODULE_PARM_DESC(seq_default_timer_device, "The default timer device number.");
|
|
module_param(seq_default_timer_subdevice, int, 0644);
|
|
MODULE_PARM_DESC(seq_default_timer_subdevice, "The default timer subdevice number.");
|
|
module_param(seq_default_timer_resolution, int, 0644);
|
|
MODULE_PARM_DESC(seq_default_timer_resolution, "The default timer resolution in Hz.");
|
|
|
|
MODULE_ALIAS_CHARDEV(CONFIG_SND_MAJOR, SNDRV_MINOR_SEQUENCER);
|
|
MODULE_ALIAS("devname:snd/seq");
|
|
|
|
/*
|
|
* INIT PART
|
|
*/
|
|
|
|
static int __init alsa_seq_init(void)
|
|
{
|
|
int err;
|
|
|
|
err = client_init_data();
|
|
if (err < 0)
|
|
goto error;
|
|
|
|
/* register sequencer device */
|
|
err = snd_sequencer_device_init();
|
|
if (err < 0)
|
|
goto error;
|
|
|
|
/* register proc interface */
|
|
err = snd_seq_info_init();
|
|
if (err < 0)
|
|
goto error_device;
|
|
|
|
/* register our internal client */
|
|
err = snd_seq_system_client_init();
|
|
if (err < 0)
|
|
goto error_info;
|
|
|
|
snd_seq_autoload_init();
|
|
return 0;
|
|
|
|
error_info:
|
|
snd_seq_info_done();
|
|
error_device:
|
|
snd_sequencer_device_done();
|
|
error:
|
|
return err;
|
|
}
|
|
|
|
static void __exit alsa_seq_exit(void)
|
|
{
|
|
/* unregister our internal client */
|
|
snd_seq_system_client_done();
|
|
|
|
/* unregister proc interface */
|
|
snd_seq_info_done();
|
|
|
|
/* delete timing queues */
|
|
snd_seq_queues_delete();
|
|
|
|
/* unregister sequencer device */
|
|
snd_sequencer_device_done();
|
|
|
|
snd_seq_autoload_exit();
|
|
}
|
|
|
|
module_init(alsa_seq_init)
|
|
module_exit(alsa_seq_exit)
|