67 lines
2 KiB
C
67 lines
2 KiB
C
/*
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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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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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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