/* 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);