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