xref: /openbmc/linux/sound/firewire/fcp.h (revision 609e478b)
1 #ifndef SOUND_FIREWIRE_FCP_H_INCLUDED
2 #define SOUND_FIREWIRE_FCP_H_INCLUDED
3 
4 #define	AVC_PLUG_INFO_BUF_BYTES	4
5 
6 struct fw_unit;
7 
8 /*
9  * AV/C Digital Interface Command Set General Specification 4.2
10  * (Sep 2004, 1394TA)
11  */
12 enum avc_general_plug_dir {
13 	AVC_GENERAL_PLUG_DIR_IN		= 0,
14 	AVC_GENERAL_PLUG_DIR_OUT	= 1,
15 	AVC_GENERAL_PLUG_DIR_COUNT
16 };
17 int avc_general_set_sig_fmt(struct fw_unit *unit, unsigned int rate,
18 			    enum avc_general_plug_dir dir,
19 			    unsigned short plug);
20 int avc_general_get_sig_fmt(struct fw_unit *unit, unsigned int *rate,
21 			    enum avc_general_plug_dir dir,
22 			    unsigned short plug);
23 int avc_general_get_plug_info(struct fw_unit *unit, unsigned int subunit_type,
24 			      unsigned int subunit_id, unsigned int subfunction,
25 			      u8 info[AVC_PLUG_INFO_BUF_BYTES]);
26 
27 int fcp_avc_transaction(struct fw_unit *unit,
28 			const void *command, unsigned int command_size,
29 			void *response, unsigned int response_size,
30 			unsigned int response_match_bytes);
31 void fcp_bus_reset(struct fw_unit *unit);
32 
33 #endif
34