sound/pci/ca0106/ca_midi.h

   1 /*
   2  *  Copyright 10/16/2005 Tilman Kranz <tilde@tk-sls.de>
   3  *  Creative Audio MIDI, for the CA0106 Driver
   4  *  Version: 0.0.1
   5  *
   6  *  Changelog:
   7  *    See ca_midi.c
   8  *
   9  *   This program is free software; you can redistribute it and/or modify
  10  *   it under the terms of the GNU General Public License as published by
  11  *   the Free Software Foundation; either version 2 of the License, or
  12  *   (at your option) any later version.
  13  *
  14  *   This program is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *   GNU General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU General Public License
  20  *   along with this program; if not, write to the Free Software
  21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  22  *
  23  */
  24
  25 #include<linux/spinlock.h>
  26 #include<sound/rawmidi.h>
  27 #include<sound/mpu401.h>
  28
  29 #define CA_MIDI_MODE_INPUT      MPU401_MODE_INPUT
  30 #define CA_MIDI_MODE_OUTPUT     MPU401_MODE_OUTPUT
  31
  32 typedef struct ca_midi ca_midi_t;
  33 struct ca_midi {
  34
  35         snd_rawmidi_t *rmidi;
  36         snd_rawmidi_substream_t *substream_input;
  37         snd_rawmidi_substream_t *substream_output;
  38
  39         void *dev_id;
  40
  41         spinlock_t input_lock;
  42         spinlock_t output_lock;
  43         spinlock_t open_lock;
  44
  45         unsigned int channel;
  46
  47         unsigned int midi_mode;
  48         int port;
  49         int tx_enable, rx_enable;
  50         int ipr_tx, ipr_rx;
  51
  52         int input_avail, output_ready;
  53         int ack, reset, enter_uart;
  54
  55         void (*interrupt)(ca_midi_t *midi, unsigned int status);
  56         void (*interrupt_enable)(ca_midi_t *midi, int intr);
  57         void (*interrupt_disable)(ca_midi_t *midi, int intr);
  58
  59         unsigned char (*read)(ca_midi_t *midi, int idx);
  60         void (*write)(ca_midi_t *midi, int data, int idx);
  61
  62         /* get info from dev_id */
  63         snd_card_t *(*get_dev_id_card)(void *dev_id);
  64         int (*get_dev_id_port)(void *dev_id);
  65 };
  66
  67 void ca_midi_interrupt(ca_midi_t *midi, unsigned int status);
  68
  69 int __devinit ca_midi_init(void *card, ca_midi_t *midi, int device, char *name);
  70
  71 void ca_midi_free(ca_midi_t *midi);
  72