#ifndef SOUND_FIREWIRE_LIB_H_INCLUDED
  #define SOUND_FIREWIRE_LIB_H_INCLUDED
  
  #include <linux/firewire-constants.h>
  #include <linux/types.h>
  
  struct fw_unit;
  
  int snd_fw_transaction(struct fw_unit *unit, int tcode,
  		       u64 offset, void *buffer, size_t length);
  const char *rcode_string(unsigned int rcode);
  
  /* returns true if retrying the transaction would not make sense */
  static inline bool rcode_is_permanent_error(int rcode)
  {
  	return rcode == RCODE_TYPE_ERROR || rcode == RCODE_ADDRESS_ERROR;
  }
  
  #endif