sound/pci/ca0106/ca_midi.h

   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 Driver
   5  *  Version: 0.0.1
   6  *
   7  *  Changelog:
   8  *    See ca_midi.c
   9  */
  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_INPUT
  16 #define CA_MIDI_MODE_OUTPUT     MPU401_MODE_OUTPUT
  17
  18 struct 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
  52 int ca_midi_init(void *card, struct snd_ca_midi *midi, int device, char *name);