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