exi.h

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/*-------------------------------------------------------------

exi.h -- EXI subsystem

Copyright (C) 2004
Michael Wiedenbauer (shagkur)
Dave Murphy (WinterMute)

This software is provided 'as-is', without any express or implied
warranty.  In no event will the authors be held liable for any
damages arising from the use of this software.

Permission is granted to anyone to use this software for any
purpose, including commercial applications, and to alter it and
redistribute it freely, subject to the following restrictions:

1.  The origin of this software must not be misrepresented; you
must not claim that you wrote the original software. If you use
this software in a product, an acknowledgment in the product
documentation would be appreciated but is not required.

2.  Altered source versions must be plainly marked as such, and
must not be misrepresented as being the original software.

3.  This notice may not be removed or altered from any source
distribution.

-------------------------------------------------------------*/


#ifndef __EXI_H__
#define __EXI_H__

#include "gctypes.h"

#define EXI_READ                    0           
#define EXI_WRITE                   1           
#define EXI_READWRITE               2           
#define EXI_CHANNEL_0               0           
#define EXI_CHANNEL_1               1           
#define EXI_CHANNEL_2               2           
#define EXI_CHANNEL_MAX             3           
#define EXI_DEVICE_0                0           
#define EXI_DEVICE_1                1           
#define EXI_DEVICE_2                2           
#define EXI_DEVICE_MAX              3           
#define EXI_SPEED1MHZ               0           
#define EXI_SPEED2MHZ               1           
#define EXI_SPEED4MHZ               2           
#define EXI_SPEED8MHZ               3           
#define EXI_SPEED16MHZ              4           
#define EXI_SPEED32MHZ              5           
#define EXI_FLAG_DMA                0x0001      
#define EXI_FLAG_IMM                0x0002      
#define EXI_FLAG_SELECT             0x0004      
#define EXI_FLAG_ATTACH             0x0008      
#define EXI_FLAG_LOCKED             0x0010      
#define EXI_MEMCARD59               0x00000004  
#define EXI_MEMCARD123              0x00000008  
#define EXI_MEMCARD251              0x00000010  
#define EXI_MEMCARD507              0x00000020  
#define EXI_MEMCARD1019             0x00000040  
#define EXI_MEMCARD2043             0x00000080  
#ifdef __cplusplus
   extern "C" {
#endif /* __cplusplus */

typedef s32 (*EXICallback)(s32 chn,s32 dev);


s32 EXI_ProbeEx(s32 nChn);


s32 EXI_Probe(s32 nChn);


s32 EXI_Lock(s32 nChn,s32 nDev,EXICallback unlockCB);


s32 EXI_Unlock(s32 nChn);


s32 EXI_Select(s32 nChn,s32 nDev,s32 nFrq);


s32 EXI_SelectSD(s32 nChn,s32 nDev,s32 nFrq);


s32 EXI_Deselect(s32 nChn);


s32 EXI_Sync(s32 nChn);


s32 EXI_Imm(s32 nChn,void *pData,u32 nLen,u32 nMode,EXICallback tc_cb);


s32 EXI_ImmEx(s32 nChn,void *pData,u32 nLen,u32 nMode);


s32 EXI_Dma(s32 nChn,void *pData,u32 nLen,u32 nMode,EXICallback tc_cb);


s32 EXI_GetState(s32 nChn);


s32 EXI_GetID(s32 nChn,s32 nDev,u32 *nId);


s32 EXI_Attach(s32 nChn,EXICallback ext_cb);


s32 EXI_Detach(s32 nChn);


void EXI_ProbeReset();


EXICallback EXI_RegisterEXICallback(s32 nChn,EXICallback exi_cb);

#ifdef __cplusplus
   }
#endif /* __cplusplus */

#endif