pcsx2/pcsx2/IopDma.h

92 lines
2.2 KiB
C++

/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2010 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __PSXDMA_H__
#define __PSXDMA_H__
#include "PS2Edefs.h"
// defined in PS2Edefs.h
#ifdef ENABLE_NEW_IOPDMA
// unused for now
class DmaBcrReg
{
public:
union {
struct {
u32 size:16;
u32 count:16;
};
u32 whole;
};
DmaBcrReg(u32& value)
{
whole=value;
}
u32 Bytes()
{
return 4*size*count;
}
};
#define DMA_CTRL_ACTIVE 0x01000000
#define DMA_CTRL_DIRECTION 0x00000001
#define DMA_CHANNEL_MAX 14 /* ? */
extern void IopDmaStart(int channel);
extern void IopDmaUpdate(u32 elapsed);
// external dma handlers
extern s32 CALLBACK cdvdDmaRead(s32 channel, u32* data, u32 bytesLeft, u32* bytesProcessed);
extern void CALLBACK cdvdDmaInterrupt(s32 channel);
//#else
#endif
extern void psxDma2(u32 madr, u32 bcr, u32 chcr);
extern void psxDma3(u32 madr, u32 bcr, u32 chcr);
extern void psxDma6(u32 madr, u32 bcr, u32 chcr);
#ifndef ENABLE_NEW_IOPDMA_SPU2
extern void psxDma4(u32 madr, u32 bcr, u32 chcr);
extern void psxDma7(u32 madr, u32 bcr, u32 chcr);
#endif
#ifndef ENABLE_NEW_IOPDMA_DEV9
extern void psxDma8(u32 madr, u32 bcr, u32 chcr);
#endif
extern void psxDma9(u32 madr, u32 bcr, u32 chcr);
extern void psxDma10(u32 madr, u32 bcr, u32 chcr);
extern int psxDma4Interrupt();
extern int psxDma7Interrupt();
extern void dev9Interrupt();
extern void dev9Irq(int cycles);
extern void usbInterrupt();
extern void usbIrq(int cycles);
extern void fwIrq();
extern void spu2Irq();
extern void iopIntcIrq( uint irqType );
extern void iopTestIntc();
extern DEV9handler dev9Handler;
extern USBhandler usbHandler;
#endif /* __PSXDMA_H__ */