LXR linux/sound/pci/ca0106/ca

   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
  32struct snd_ca_midi {
  33
  34        struct snd_rawmidi *rmidi;
  35        struct snd_rawmidi_substream *substream_input;
  36        struct snd_rawmidi_substream *substream_output;
  37
  38        void *dev_id;
  39
  40        spinlock_t input_lock;
  41        spinlock_t output_lock;
  42        spinlock_t open_lock;
  43
  44        unsigned int channel;
  45
  46        unsigned int midi_mode;
  47        int port;
  48        int tx_enable, rx_enable;
  49        int ipr_tx, ipr_rx;            
  50        
  51        int input_avail, output_ready;
  52        int ack, reset, enter_uart;
  53
  54        void (*interrupt)(struct snd_ca_midi *midi, unsigned int status);
  55        void (*interrupt_enable)(struct snd_ca_midi *midi, int intr);
  56        void (*interrupt_disable)(struct snd_ca_midi *midi, int intr);
  57
  58        unsigned char (*read)(struct snd_ca_midi *midi, int idx);
  59        void (*write)(struct snd_ca_midi *midi, int data, int idx);
  60
  61        /* get info from dev_id */
  62        struct snd_card *(*get_dev_id_card)(void *dev_id);
  63        int (*get_dev_id_port)(void *dev_id);
  64};
  65
  66int ca_midi_init(void *card, struct snd_ca_midi *midi, int device, char *name);
  67