sm64ex-coop/include/PR/os_pi.h

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#ifndef _ULTRA64_PI_H_
#define _ULTRA64_PI_H_
/* Ultra64 Parallel Interface */
/* Types */
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typedef struct {
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#if !defined(VERSION_EU) && !defined(VERSION_SH)
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u32 errStatus;
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#endif
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void *dramAddr;
void *C2Addr;
u32 sectorSize;
u32 C1ErrNum;
u32 C1ErrSector[4];
} __OSBlockInfo;
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typedef struct {
u32 cmdType; // 0
u16 transferMode; // 4
u16 blockNum; // 6
s32 sectorNum; // 8
uintptr_t devAddr; // c
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#if defined(VERSION_EU) || defined(VERSION_SH)
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u32 unk10; //error status added moved to blockinfo
#endif
u32 bmCtlShadow; // 10
u32 seqCtlShadow; // 14
__OSBlockInfo block[2]; // 18
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} __OSTranxInfo;
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typedef struct OSPiHandle_s {
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struct OSPiHandle_s *next;
u8 type;
u8 latency;
u8 pageSize;
u8 relDuration;
u8 pulse;
u8 domain;
u32 baseAddress;
u32 speed;
__OSTranxInfo transferInfo;
} OSPiHandle;
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typedef struct {
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u8 type;
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uintptr_t address;
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} OSPiInfo;
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typedef struct {
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u16 type;
u8 pri;
u8 status;
OSMesgQueue *retQueue;
} OSIoMesgHdr;
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typedef struct {
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/*0x00*/ OSIoMesgHdr hdr;
/*0x08*/ void *dramAddr;
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/*0x0C*/ uintptr_t devAddr;
/*0x10*/ size_t size;
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#if defined(VERSION_EU) || defined(VERSION_SH)
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OSPiHandle *piHandle; // from the official definition
#endif
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} OSIoMesg;
/* Definitions */
#define OS_READ 0 // device -> RDRAM
#define OS_WRITE 1 // device <- RDRAM
#define OS_MESG_PRI_NORMAL 0
#define OS_MESG_PRI_HIGH 1
/* Functions */
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s32 osPiStartDma(OSIoMesg *mb, s32 priority, s32 direction, uintptr_t devAddr, void *vAddr,
size_t nbytes, OSMesgQueue *mq);
void osCreatePiManager(OSPri pri, OSMesgQueue *cmdQ, OSMesg *cmdBuf, s32 cmdMsgCnt);
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OSMesgQueue *osPiGetCmdQueue(void);
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s32 osPiWriteIo(uintptr_t devAddr, u32 data);
s32 osPiReadIo(uintptr_t devAddr, u32 *data);
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#endif