162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef SOUND_FIREWIRE_LIB_H_INCLUDED 362306a36Sopenharmony_ci#define SOUND_FIREWIRE_LIB_H_INCLUDED 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#include <linux/firewire-constants.h> 662306a36Sopenharmony_ci#include <linux/types.h> 762306a36Sopenharmony_ci#include <linux/sched.h> 862306a36Sopenharmony_ci#include <sound/rawmidi.h> 962306a36Sopenharmony_ci 1062306a36Sopenharmony_cistruct fw_unit; 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci#define FW_GENERATION_MASK 0x00ff 1362306a36Sopenharmony_ci#define FW_FIXED_GENERATION 0x0100 1462306a36Sopenharmony_ci#define FW_QUIET 0x0200 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ciint snd_fw_transaction(struct fw_unit *unit, int tcode, 1762306a36Sopenharmony_ci u64 offset, void *buffer, size_t length, 1862306a36Sopenharmony_ci unsigned int flags); 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci/* returns true if retrying the transaction would not make sense */ 2162306a36Sopenharmony_cistatic inline bool rcode_is_permanent_error(int rcode) 2262306a36Sopenharmony_ci{ 2362306a36Sopenharmony_ci return rcode == RCODE_TYPE_ERROR || rcode == RCODE_ADDRESS_ERROR; 2462306a36Sopenharmony_ci} 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_ci#endif 27