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