linux/sound/isa/gus/gus_uart.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  Copyright (c) by Jaroslav Kysela <[email protected]>
 *  Routines for the GF1 MIDI interface - like UART 6850
 */

#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/time.h>
#include <sound/core.h>
#include <sound/gus.h>

static void snd_gf1_interrupt_midi_in(struct snd_gus_card * gus)
{ … }

static void snd_gf1_interrupt_midi_out(struct snd_gus_card * gus)
{ … }

static void snd_gf1_uart_reset(struct snd_gus_card * gus, int close)
{ … }

static int snd_gf1_uart_output_open(struct snd_rawmidi_substream *substream)
{ … }

static int snd_gf1_uart_input_open(struct snd_rawmidi_substream *substream)
{ … }

static int snd_gf1_uart_output_close(struct snd_rawmidi_substream *substream)
{ … }

static int snd_gf1_uart_input_close(struct snd_rawmidi_substream *substream)
{ … }

static void snd_gf1_uart_input_trigger(struct snd_rawmidi_substream *substream, int up)
{ … }

static void snd_gf1_uart_output_trigger(struct snd_rawmidi_substream *substream, int up)
{ … }

static const struct snd_rawmidi_ops snd_gf1_uart_output = …;

static const struct snd_rawmidi_ops snd_gf1_uart_input = …;

int snd_gf1_rawmidi_new(struct snd_gus_card *gus, int device)
{ … }