// 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};#elseint seq_client_load[15] = {[0 ... 14] = -1};#endifint 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)