linux/sound/drivers/opl3/opl3_seq.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  Copyright (c) by Uros Bizjak <[email protected]>
 *
 *  Midi Sequencer interface routines for OPL2/OPL3/OPL4 FM
 *
 *  OPL2/3 FM instrument loader:
 *   alsa-tools/seq/sbiload/
 */

#include "opl3_voice.h"
#include <linux/init.h>
#include <linux/moduleparam.h>
#include <linux/module.h>
#include <sound/initval.h>

MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;
MODULE_DESCRIPTION(…) …;

bool use_internal_drums = …;
module_param(use_internal_drums, bool, 0444);
MODULE_PARM_DESC(…) …;

int snd_opl3_synth_use_inc(struct snd_opl3 * opl3)
{ … }

void snd_opl3_synth_use_dec(struct snd_opl3 * opl3)
{ … }

int snd_opl3_synth_setup(struct snd_opl3 * opl3)
{ … }

void snd_opl3_synth_cleanup(struct snd_opl3 * opl3)
{ … }

static int snd_opl3_synth_use(void *private_data, struct snd_seq_port_subscribe * info)
{ … }

static int snd_opl3_synth_unuse(void *private_data, struct snd_seq_port_subscribe * info)
{ … }

/*
 * MIDI emulation operators
 */
const struct snd_midi_op opl3_ops = …;

static int snd_opl3_synth_event_input(struct snd_seq_event * ev, int direct,
				      void *private_data, int atomic, int hop)
{ … }

/* ------------------------------ */

static void snd_opl3_synth_free_port(void *private_data)
{ … }

static int snd_opl3_synth_create_port(struct snd_opl3 * opl3)
{ … }

/* ------------------------------ */

static int snd_opl3_seq_probe(struct device *_dev)
{ … }

static int snd_opl3_seq_remove(struct device *_dev)
{ … }

static struct snd_seq_driver opl3_seq_driver = …;

module_snd_seq_driver(…) …;