text: 
  /*	From pas_card.c	*/
  int pas_set_intr(int mask);
  int pas_remove_intr(int mask);
  unsigned char pas_read(int ioaddr);
  void pas_write(unsigned char data, int ioaddr);
  
  /*	From pas_audio.c */
  void pas_pcm_interrupt(unsigned char status, int cause);
  void pas_pcm_init(struct address_info *hw_config);
  
  /*	From pas_mixer.c */
  int pas_init_mixer(void);
  
  /*	From pas_midi.c */
  void pas_midi_init(void);
  void pas_midi_interrupt(void);
  
  /*	From pas2_mixer.c*/
  void mix_write(unsigned char data, int ioaddr);
  