[linux-block.git] / sound / core / seq / seq.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)
Commit	Line	Data
	1	// SPDX-License-Identifier: GPL-2.0-or-later
	2	/*
	3	* ALSA sequencer main module
	4	* Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl>
	5	*/
	6
	7	#include <linux/init.h>
	8	#include <linux/module.h>
	9	#include <linux/device.h>
	10	#include <sound/core.h>
	11	#include <sound/initval.h>
	12
	13	#include <sound/seq_kernel.h>
	14	#include "seq_clientmgr.h"
	15	#include "seq_memory.h"
	16	#include "seq_queue.h"
	17	#include "seq_lock.h"
	18	#include "seq_timer.h"
	19	#include "seq_system.h"
	20	#include "seq_info.h"
	21	#include <sound/minors.h>
	22	#include <sound/seq_device.h>
	23
	24	#if defined(CONFIG_SND_SEQ_DUMMY_MODULE)
	25	int seq_client_load[15] = {[0] = SNDRV_SEQ_CLIENT_DUMMY, [1 ... 14] = -1};
	26	#else
	27	int seq_client_load[15] = {[0 ... 14] = -1};
	28	#endif
	29	int seq_default_timer_class = SNDRV_TIMER_CLASS_GLOBAL;
	30	int seq_default_timer_sclass = SNDRV_TIMER_SCLASS_NONE;
	31	int seq_default_timer_card = -1;
	32	int seq_default_timer_device =
	33	#ifdef CONFIG_SND_SEQ_HRTIMER_DEFAULT
	34	SNDRV_TIMER_GLOBAL_HRTIMER
	35	#else
	36	SNDRV_TIMER_GLOBAL_SYSTEM
	37	#endif
	38	;
	39	int seq_default_timer_subdevice = 0;
	40	int seq_default_timer_resolution = 0; /* Hz */
	41
	42	MODULE_AUTHOR("Frank van de Pol <fvdpol@coil.demon.nl>, Jaroslav Kysela <perex@perex.cz>");
	43	MODULE_DESCRIPTION("Advanced Linux Sound Architecture sequencer.");
	44	MODULE_LICENSE("GPL");
	45
	46	module_param_array(seq_client_load, int, NULL, 0444);
	47	MODULE_PARM_DESC(seq_client_load, "The numbers of global (system) clients to load through kmod.");
	48	module_param(seq_default_timer_class, int, 0644);
	49	MODULE_PARM_DESC(seq_default_timer_class, "The default timer class.");
	50	module_param(seq_default_timer_sclass, int, 0644);
	51	MODULE_PARM_DESC(seq_default_timer_sclass, "The default timer slave class.");
	52	module_param(seq_default_timer_card, int, 0644);
	53	MODULE_PARM_DESC(seq_default_timer_card, "The default timer card number.");
	54	module_param(seq_default_timer_device, int, 0644);
	55	MODULE_PARM_DESC(seq_default_timer_device, "The default timer device number.");
	56	module_param(seq_default_timer_subdevice, int, 0644);
	57	MODULE_PARM_DESC(seq_default_timer_subdevice, "The default timer subdevice number.");
	58	module_param(seq_default_timer_resolution, int, 0644);
	59	MODULE_PARM_DESC(seq_default_timer_resolution, "The default timer resolution in Hz.");
	60
	61	MODULE_ALIAS_CHARDEV(CONFIG_SND_MAJOR, SNDRV_MINOR_SEQUENCER);
	62	MODULE_ALIAS("devname:snd/seq");
	63
	64	/*
	65	* INIT PART
	66	*/
	67
	68	static int __init alsa_seq_init(void)
	69	{
	70	int err;
	71
	72	err = client_init_data();
	73	if (err < 0)
	74	goto error;
	75
	76	/* register sequencer device */
	77	err = snd_sequencer_device_init();
	78	if (err < 0)
	79	goto error;
	80
	81	/* register proc interface */
	82	err = snd_seq_info_init();
	83	if (err < 0)
	84	goto error_device;
	85
	86	/* register our internal client */
	87	err = snd_seq_system_client_init();
	88	if (err < 0)
	89	goto error_info;
	90
	91	snd_seq_autoload_init();
	92	return 0;
	93
	94	error_info:
	95	snd_seq_info_done();
	96	error_device:
	97	snd_sequencer_device_done();
	98	error:
	99	return err;
	100	}
	101
	102	static void __exit alsa_seq_exit(void)
	103	{
	104	/* unregister our internal client */
	105	snd_seq_system_client_done();
	106
	107	/* unregister proc interface */
	108	snd_seq_info_done();
	109
	110	/* delete timing queues */
	111	snd_seq_queues_delete();
	112
	113	/* unregister sequencer device */
	114	snd_sequencer_device_done();
	115
	116	snd_seq_autoload_exit();
	117	}
	118
	119	module_init(alsa_seq_init)
	120	module_exit(alsa_seq_exit)