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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/* 3 * Copyright 10/16/2005 Tilman Kranz <tilde@tk-sls.de>4 * Creative Audio MIDI, for the CA0106 Driver5 * Version: 0.0.16 *7 * Changelog:8 * See ca_midi.c9 */10 11#include <linux/spinlock.h>12#include <sound/rawmidi.h>13#include <sound/mpu401.h>14 15#define CA_MIDI_MODE_INPUT MPU401_MODE_INPUT16#define CA_MIDI_MODE_OUTPUT MPU401_MODE_OUTPUT17 18struct snd_ca_midi {19 20 struct snd_rawmidi *rmidi;21 struct snd_rawmidi_substream *substream_input;22 struct snd_rawmidi_substream *substream_output;23 24 void *dev_id;25 26 spinlock_t input_lock;27 spinlock_t output_lock;28 spinlock_t open_lock;29 30 unsigned int channel;31 32 unsigned int midi_mode;33 int port;34 int tx_enable, rx_enable;35 int ipr_tx, ipr_rx; 36 37 int input_avail, output_ready;38 int ack, reset, enter_uart;39 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);43 44 unsigned char (*read)(struct snd_ca_midi *midi, int idx);45 void (*write)(struct snd_ca_midi *midi, int data, int idx);46 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);50};51 52int ca_midi_init(void *card, struct snd_ca_midi *midi, int device, char *name);53