diff options
Diffstat (limited to 'sound/firewire/fcp.h')
| -rw-r--r-- | sound/firewire/fcp.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/sound/firewire/fcp.h b/sound/firewire/fcp.h index 86595688bd9..63ae4f7ce3a 100644 --- a/sound/firewire/fcp.h +++ b/sound/firewire/fcp.h @@ -1,8 +1,29 @@ #ifndef SOUND_FIREWIRE_FCP_H_INCLUDED #define SOUND_FIREWIRE_FCP_H_INCLUDED +#define AVC_PLUG_INFO_BUF_BYTES 4 + struct fw_unit; +/* + * AV/C Digital Interface Command Set General Specification 4.2 + * (Sep 2004, 1394TA) + */ +enum avc_general_plug_dir { + AVC_GENERAL_PLUG_DIR_IN = 0, + AVC_GENERAL_PLUG_DIR_OUT = 1, + AVC_GENERAL_PLUG_DIR_COUNT +}; +int avc_general_set_sig_fmt(struct fw_unit *unit, unsigned int rate, + enum avc_general_plug_dir dir, + unsigned short plug); +int avc_general_get_sig_fmt(struct fw_unit *unit, unsigned int *rate, + enum avc_general_plug_dir dir, + unsigned short plug); +int avc_general_get_plug_info(struct fw_unit *unit, unsigned int subunit_type, + unsigned int subunit_id, unsigned int subfunction, + u8 info[AVC_PLUG_INFO_BUF_BYTES]); + int fcp_avc_transaction(struct fw_unit *unit, const void *command, unsigned int command_size, void *response, unsigned int response_size, |