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 7 struct fw_unit; 8 9 /* 10 * AV/C Digital Interface Command Set General Specification 4.2 11 * (Sep 2004, 1394TA) 12 */ 13 enum 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 }; 18 int avc_general_set_sig_fmt(struct fw_unit *unit, unsigned int rate, 19 enum avc_general_plug_dir dir, 20 unsigned short plug); 21 int avc_general_get_sig_fmt(struct fw_unit *unit, unsigned int *rate, 22 enum avc_general_plug_dir dir, 23 unsigned short plug); 24 int 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 28 int 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); 32 void fcp_bus_reset(struct fw_unit *unit); 33 34 #endif 35