#ifndef EXIBIOS_H
#define EXIBIOS_H

#include "dolphin/os/OS.h"

#ifdef __cplusplus
extern "C" {
#endif

vu32 __EXIRegs[16] : 0xCC006800;

#define EXI_READ 0
#define EXI_WRITE 1

#define EXI_STATE_IDLE 0x00
#define EXI_STATE_DMA 0x01
#define EXI_STATE_IMM 0x02
#define EXI_STATE_BUSY (EXI_STATE_DMA | EXI_STATE_IMM)
#define EXI_STATE_SELECTED 0x04
#define EXI_STATE_ATTACHED 0x08
#define EXI_STATE_LOCKED 0x10

typedef void (*EXICallback)(s32 chan, OSContext* context);

typedef struct EXIControl {
    EXICallback exiCallback;
    EXICallback tcCallback;
    EXICallback extCallback;
    vu32 state;
    int immLen;
    u8* immBuf;
    u32 dev;
    u32 id;
    s32 idTime;
    int items;
    struct {
        u32 dev;
        EXICallback callback;
    } queue[3];
} EXIControl;

s32 EXIImm(s32 chan, void* buf, s32 len, u32 type, EXICallback callback);
s32 EXIImmEx(s32 chan, void* buf, s32 len, u32 mode);
BOOL EXIDma(s32 chan, void* buf, s32 len, u32 type, EXICallback callback);
BOOL EXISync(s32 chan);
EXICallback EXISetExiCallback(s32 chan, EXICallback exiCallback);
BOOL EXIProbe(s32 chan);
s32 EXIProbeEx(s32 chan);
BOOL EXIAttach(s32 chan, EXICallback extCallback);
BOOL EXIDetach(s32 chan);
BOOL EXISelect(s32 chan, u32 dev, u32 freq);
BOOL EXIDeselect(s32 chan);
void EXIInit(void);
BOOL EXILock(s32 chan, u32 dev, EXICallback unlockedCallback);
BOOL EXIUnlock(s32 chan);
u32 EXIGetState(s32 chan);
static void UnlockedHandler(s32 chan, OSContext* context);
s32 EXIGetID(s32 chan, u32 dev, u32* id);

#ifdef __cplusplus
};
#endif

#endif /* EXIBIOS_H */