rlm@8: import Trace::*;
rlm@8: import Vector::*;
rlm@8: 
punk@33: `include "asim/provides/audio_pipe_types.bsh"
punk@33: 
rlm@8: `define MAX_VOICES       4
rlm@8: `define MAX_CORES       16
rlm@8: `define MAX_PATH_IDS    18
rlm@8: `define MAX_PATH_LENGTH 8
rlm@8: 
rlm@8: // The path is hardwired and so should never be stored in a register.  Therefore int type rather than Bit type
rlm@8: 
rlm@8: typedef Bit#(32) MemAddr;
rlm@8: typedef Int#(TLog#(`MAX_PATH_IDS))  PathId;
punk@33: //typedef Int#(16) Sample;
rlm@8: typedef Int#(TLog#(`MAX_VOICES)) VoiceId;
punk@43: typedef Int#(8) Volume; // This is arbitrarily set to 8 bits or max val 256
rlm@8: 
rlm@8: //The mixer is identified as PathId 0, path end is max 
rlm@8: PathId mixerId = 0;
rlm@8: PathId endId = `MAX_CORES+1;
rlm@8: 
rlm@8: // Path is array of path ids
rlm@8: typedef Vector#(`MAX_PATH_LENGTH,  PathId) CorePath;
rlm@8: CorePath emptyCore = replicate(endId);
rlm@8: 
rlm@8: typedef struct
rlm@8: {
rlm@8:   VoiceId   voice;
rlm@8:   MemAddr   startAddr;
rlm@8:   CorePath  route;
punk@33:   Volume    outVol;
rlm@8: } FullPath deriving (Bits, Eq);
rlm@8: 
punk@33: typedef Maybe#(AudioProcessorUnit) AudioPipeUnit; // deriving (Bits, Eq);
punk@33: 
punk@33: typedef struct
punk@33: {
punk@33:   VoiceId       voice;
punk@33:   AudioPipeUnit data;
punk@33: } AudioStream deriving (Bits, Eq);