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120 lines
3.2 KiB
120 lines
3.2 KiB
// 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 <[email protected]> |
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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 <[email protected]>, Jaroslav Kysela <[email protected]>"); |
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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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