/***************************************************************************
                            spu.h  -  description
                             -------------------
    begin                : Wed May 15 2002
    copyright            : (C) 2002 by Pete Bernert
    email                : BlackDove@addcom.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version. See also the license.txt file for *
 *   additional informations.                                              *
 *                                                                         *
 ***************************************************************************/

//*************************************************************************//
// History of changes:
//
// 2002/05/15 - Pete
// - generic cleanup for the Peops release
//
//*************************************************************************//

#include "externals.h"
#include "../psx.h"
void sexyd_update(unsigned char* pSound,long lBytes);

typedef struct spu_state_s {
    // psx buffer / addresses
    u16  regArea[0x200];
    u16  spuMem[256*1024];
    u8 * spuMemC;
    u8 * pSpuIrq;
    u8 * pSpuBuffer;

    // user settings          
    int             iVolume;

    // MAIN infos struct for each channel

    SPUCHAN         s_chan[MAXCHAN+1];                     // channel + 1 infos (1 is security for fmod handling)
    REVERBInfo      rvb;

    u32   dwNoiseVal;//=1;                          // global noise generator

    u16  spuCtrl;                             // some vars to store psx reg infos
    u16  spuStat;
    u16  spuIrq;             
    u32  spuAddr; //=0xffffffff;                    // address into spu mem
    int  bSPUIsOpen;

    s16 * pS;
    s32 ttemp;
    u32 sampcount;
    u32 decaybegin;
    u32 decayend;

    s32 dosampies;
} spu_state_t;

int SPUasync(mips_cpu_context *cpu, u32 cycles);
void SPU_flushboot(mips_cpu_context *cpu);
int SPUinit(mips_cpu_context *cpu, void (*update_cb)(unsigned char *pSound, long lBytes, void *data), void *data);
int SPUopen(mips_cpu_context *cpu);
int SPUclose(mips_cpu_context *cpu);
int SPUshutdown(mips_cpu_context *cpu);
void SPUinjectRAMImage(mips_cpu_context *cpu, u16 *pIncoming);
void SPUreadDMAMem(mips_cpu_context *cpu, u32 usPSXMem,int iSize);
void SPUwriteDMAMem(mips_cpu_context *cpu, u32 usPSXMem,int iSize);
u16 SPUreadRegister(mips_cpu_context *cpu, u32 reg);