linux/sound/pci/ca0106/ca_midi.h

53 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright 10/16/2005 Tilman Kranz <tilde@tk-sls.de>
* Creative Audio MIDI, for the CA0106 Driver
* Version: 0.0.1
*
* Changelog:
* See ca_midi.c
*/
#include <linux/spinlock.h>
#include <sound/rawmidi.h>
#include <sound/mpu401.h>
#define CA_MIDI_MODE_INPUT MPU401_MODE_INPUT
#define CA_MIDI_MODE_OUTPUT MPU401_MODE_OUTPUT
struct snd_ca_midi {
struct snd_rawmidi *rmidi;
struct snd_rawmidi_substream *substream_input;
struct snd_rawmidi_substream *substream_output;
void *dev_id;
spinlock_t input_lock;
spinlock_t output_lock;
spinlock_t open_lock;
unsigned int channel;
unsigned int midi_mode;
int port;
int tx_enable, rx_enable;
int ipr_tx, ipr_rx;
int input_avail, output_ready;
int ack, reset, enter_uart;
void (*interrupt)(struct snd_ca_midi *midi, unsigned int status);
void (*interrupt_enable)(struct snd_ca_midi *midi, int intr);
void (*interrupt_disable)(struct snd_ca_midi *midi, int intr);
unsigned char (*read)(struct snd_ca_midi *midi, int idx);
void (*write)(struct snd_ca_midi *midi, int data, int idx);
/* get info from dev_id */
struct snd_card *(*get_dev_id_card)(void *dev_id);
int (*get_dev_id_port)(void *dev_id);
};
int ca_midi_init(void *card, struct snd_ca_midi *midi, int device, char *name);