1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright 10/16/2005 Tilman Kranz <tilde@tk-sls.de>
4 * Creative Audio MIDI, for the CA0106 Driver
11 #include <linux/spinlock.h>
12 #include <sound/rawmidi.h>
13 #include <sound/mpu401.h>
15 #define CA_MIDI_MODE_INPUT MPU401_MODE_INPUT
16 #define CA_MIDI_MODE_OUTPUT MPU401_MODE_OUTPUT
20 struct snd_rawmidi *rmidi;
21 struct snd_rawmidi_substream *substream_input;
22 struct snd_rawmidi_substream *substream_output;
26 spinlock_t input_lock;
27 spinlock_t output_lock;
32 unsigned int midi_mode;
34 int tx_enable, rx_enable;
37 int input_avail, output_ready;
38 int ack, reset, enter_uart;
40 void (*interrupt)(struct snd_ca_midi *midi, unsigned int status);
41 void (*interrupt_enable)(struct snd_ca_midi *midi, int intr);
42 void (*interrupt_disable)(struct snd_ca_midi *midi, int intr);
44 unsigned char (*read)(struct snd_ca_midi *midi, int idx);
45 void (*write)(struct snd_ca_midi *midi, int data, int idx);
47 /* get info from dev_id */
48 struct snd_card *(*get_dev_id_card)(void *dev_id);
49 int (*get_dev_id_port)(void *dev_id);
52 int ca_midi_init(void *card, struct snd_ca_midi *midi, int device, char *name);