1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright 10/16/2005 Tilman Kranz <tilde@tk-sls.de> 4*4882a593Smuzhiyun * Creative Audio MIDI, for the CA0106 Driver 5*4882a593Smuzhiyun * Version: 0.0.1 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Changelog: 8*4882a593Smuzhiyun * See ca_midi.c 9*4882a593Smuzhiyun */ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <linux/spinlock.h> 12*4882a593Smuzhiyun #include <sound/rawmidi.h> 13*4882a593Smuzhiyun #include <sound/mpu401.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #define CA_MIDI_MODE_INPUT MPU401_MODE_INPUT 16*4882a593Smuzhiyun #define CA_MIDI_MODE_OUTPUT MPU401_MODE_OUTPUT 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun struct snd_ca_midi { 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun struct snd_rawmidi *rmidi; 21*4882a593Smuzhiyun struct snd_rawmidi_substream *substream_input; 22*4882a593Smuzhiyun struct snd_rawmidi_substream *substream_output; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun void *dev_id; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun spinlock_t input_lock; 27*4882a593Smuzhiyun spinlock_t output_lock; 28*4882a593Smuzhiyun spinlock_t open_lock; 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun unsigned int channel; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun unsigned int midi_mode; 33*4882a593Smuzhiyun int port; 34*4882a593Smuzhiyun int tx_enable, rx_enable; 35*4882a593Smuzhiyun int ipr_tx, ipr_rx; 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun int input_avail, output_ready; 38*4882a593Smuzhiyun int ack, reset, enter_uart; 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun void (*interrupt)(struct snd_ca_midi *midi, unsigned int status); 41*4882a593Smuzhiyun void (*interrupt_enable)(struct snd_ca_midi *midi, int intr); 42*4882a593Smuzhiyun void (*interrupt_disable)(struct snd_ca_midi *midi, int intr); 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun unsigned char (*read)(struct snd_ca_midi *midi, int idx); 45*4882a593Smuzhiyun void (*write)(struct snd_ca_midi *midi, int data, int idx); 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun /* get info from dev_id */ 48*4882a593Smuzhiyun struct snd_card *(*get_dev_id_card)(void *dev_id); 49*4882a593Smuzhiyun int (*get_dev_id_port)(void *dev_id); 50*4882a593Smuzhiyun }; 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun int ca_midi_init(void *card, struct snd_ca_midi *midi, int device, char *name); 53