/* SPDX-License-Identifier: GPL-2.0 */

  #ifndef SOUND_FIREWIRE_LIB_H_INCLUDED
  #define SOUND_FIREWIRE_LIB_H_INCLUDED
  
  #include <linux/firewire-constants.h>
  #include <linux/types.h>

  #include <linux/sched.h>
  #include <sound/rawmidi.h>

  
  struct fw_unit;

  #define FW_GENERATION_MASK	0x00ff
  #define FW_FIXED_GENERATION	0x0100
  #define FW_QUIET		0x0200

  int snd_fw_transaction(struct fw_unit *unit, int tcode,

  		       u64 offset, void *buffer, size_t length,
  		       unsigned int flags);

  
  /* 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;
  }

  void snd_fw_schedule_registration(struct fw_unit *unit,
  				  struct delayed_work *dwork);

  #endif