/* SPDX-License-Identifier: GPL-2.0 */
#ifndef SOUND_FIREWIRE_FCP_H_INCLUDED
#define SOUND_FIREWIRE_FCP_H_INCLUDED

#define AVC_PLUG_INFO_BUF_BYTES 4

struct fw_unit;

/*
 * AV/C Digital Interface Command Set General Specification 4.2
 * (Sep 2004, 1394TA)
 */
enum avc_general_plug_dir {
        AVC_GENERAL_PLUG_DIR_IN         = 0,
        AVC_GENERAL_PLUG_DIR_OUT        = 1,
        AVC_GENERAL_PLUG_DIR_COUNT
};
int avc_general_set_sig_fmt(struct fw_unit *unit, unsigned int rate,
                            enum avc_general_plug_dir dir,
                            unsigned short plug);
int avc_general_get_sig_fmt(struct fw_unit *unit, unsigned int *rate,
                            enum avc_general_plug_dir dir,
                            unsigned short plug);
int avc_general_get_plug_info(struct fw_unit *unit, unsigned int subunit_type,
                              unsigned int subunit_id, unsigned int subfunction,
                              u8 info[AVC_PLUG_INFO_BUF_BYTES]);

int fcp_avc_transaction(struct fw_unit *unit,
                        const void *command, unsigned int command_size,
                        void *response, unsigned int response_size,
                        unsigned int response_match_bytes);
void fcp_bus_reset(struct fw_unit *unit);

#endif