35 lines
1 KiB
C
35 lines
1 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef SOUND_FIREWIRE_FCP_H_INCLUDED
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#define SOUND_FIREWIRE_FCP_H_INCLUDED
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#define AVC_PLUG_INFO_BUF_BYTES 4
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struct fw_unit;
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/*
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* AV/C Digital Interface Command Set General Specification 4.2
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* (Sep 2004, 1394TA)
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*/
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enum avc_general_plug_dir {
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AVC_GENERAL_PLUG_DIR_IN = 0,
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AVC_GENERAL_PLUG_DIR_OUT = 1,
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AVC_GENERAL_PLUG_DIR_COUNT
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};
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int avc_general_set_sig_fmt(struct fw_unit *unit, unsigned int rate,
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enum avc_general_plug_dir dir,
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unsigned short plug);
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int avc_general_get_sig_fmt(struct fw_unit *unit, unsigned int *rate,
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enum avc_general_plug_dir dir,
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unsigned short plug);
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int avc_general_get_plug_info(struct fw_unit *unit, unsigned int subunit_type,
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unsigned int subunit_id, unsigned int subfunction,
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u8 info[AVC_PLUG_INFO_BUF_BYTES]);
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int fcp_avc_transaction(struct fw_unit *unit,
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const void *command, unsigned int command_size,
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void *response, unsigned int response_size,
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unsigned int response_match_bytes);
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void fcp_bus_reset(struct fw_unit *unit);
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#endif
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