1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef SOUND_FIREWIRE_FCP_H_INCLUDED
3#define SOUND_FIREWIRE_FCP_H_INCLUDED
4
5#define	AVC_PLUG_INFO_BUF_BYTES	4
6
7struct fw_unit;
8
9/*
10 * AV/C Digital Interface Command Set General Specification 4.2
11 * (Sep 2004, 1394TA)
12 */
13enum avc_general_plug_dir {
14	AVC_GENERAL_PLUG_DIR_IN		= 0,
15	AVC_GENERAL_PLUG_DIR_OUT	= 1,
16	AVC_GENERAL_PLUG_DIR_COUNT
17};
18int avc_general_set_sig_fmt(struct fw_unit *unit, unsigned int rate,
19			    enum avc_general_plug_dir dir,
20			    unsigned short plug);
21int avc_general_get_sig_fmt(struct fw_unit *unit, unsigned int *rate,
22			    enum avc_general_plug_dir dir,
23			    unsigned short plug);
24int avc_general_get_plug_info(struct fw_unit *unit, unsigned int subunit_type,
25			      unsigned int subunit_id, unsigned int subfunction,
26			      u8 info[AVC_PLUG_INFO_BUF_BYTES]);
27
28int fcp_avc_transaction(struct fw_unit *unit,
29			const void *command, unsigned int command_size,
30			void *response, unsigned int response_size,
31			unsigned int response_match_bytes);
32void fcp_bus_reset(struct fw_unit *unit);
33
34#endif
35