#ifndef _REVOLUTION_ARALT_H_
#define _REVOLUTION_ARALT_H_

#include <revolution/types.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef void (*ARQCallback)(u32 pointerToARQRequest);

struct ARQRequest {
    /* 0x00 */ struct ARQRequest *next;
    /* 0x04 */ u32 owner;
    /* 0x08 */ u32 type;
    /* 0x0C */ u32 priority;
    /* 0x10 */ u32 source;
    /* 0x14 */ u32 dest;
    /* 0x18 */ u32 length;
    /* 0x1C */ ARQCallback callback;
};

#define ARQ_DMA_ALIGNMENT 32

#define ARAM_DIR_MRAM_TO_ARAM 0x00
#define ARAM_DIR_ARAM_TO_MRAM 0x01

#define ARStartDMARead(mmem, aram, len) \
    ARStartDMA(ARAM_DIR_ARAM_TO_MRAM, mmem, aram, len)
#define ARStartDMAWrite(mmem, aram, len) \
    ARStartDMA(ARAM_DIR_MRAM_TO_ARAM, mmem, aram, len)

typedef struct ARQRequest ARQRequest;

#define ARQ_TYPE_MRAM_TO_ARAM ARAM_DIR_MRAM_TO_ARAM
#define ARQ_TYPE_ARAM_TO_MRAM ARAM_DIR_ARAM_TO_MRAM

#define ARQ_PRIORITY_LOW  0
#define ARQ_PRIORITY_HIGH 1

// AR
ARQCallback ARRegisterDMACallback(ARQCallback callback);
void ARStartDMA(u32 type, u32 mainmem_addr, u32 aram_addr, u32 length);
u32 ARAlloc(u32 length);
u32 ARInit(u32* stack_index_addr, u32 num_entries);
u32 ARGetBaseAddress(void);
u32 ARGetSize(void);

// ARQ
void ARQInit(void);

#ifdef __cplusplus
}
#endif

#endif