dma.h

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/*
# _____     ___ ____     ___ ____
#  ____|   |    ____|   |        | |____|
# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
#-----------------------------------------------------------------------
# (c) 2005 Naomi Peori <naomi@peori.ca>
# Licenced under Academic Free License version 2.0
# Review ps2sdk README & LICENSE files for further details.
*/

 
#ifndef __DMA_H__
#define __DMA_H__
 
#include <tamtypes.h>
#include <packet2_types.h>
 
#define DMA_CHANNEL_VIF0     0x00
#define DMA_CHANNEL_VIF1     0x01
#define DMA_CHANNEL_GIF      0x02
#define DMA_CHANNEL_fromIPU  0x03
#define DMA_CHANNEL_toIPU    0x04
#define DMA_CHANNEL_fromSIF0 0x05
#define DMA_CHANNEL_toSIF1   0x06
#define DMA_CHANNEL_SIF2     0x07
#define DMA_CHANNEL_fromSPR  0x08
#define DMA_CHANNEL_toSPR    0x09
 
#define DMA_FLAG_TRANSFERTAG   0x01
#define DMA_FLAG_INTERRUPTSAFE 0x02
 
#ifdef __cplusplus
extern "C" {
#endif
 
extern int dma_reset(void);

extern int dma_channel_initialize(int channel, void *handler, int flags);

extern void dma_channel_fast_waits(int channel);

extern void dma_wait_fast(void);

extern int dma_channel_wait(int channel, int timeout);

extern void dma_channel_send_packet2(packet2_t *packet2, int channel, u8 flush_cache);

extern int dma_channel_send_chain(int channel, void *data, int qwc, int flags, int spr);

extern int dma_channel_send_chain_ucab(int channel, void *data, int qwc, int flags);

extern int dma_channel_send_normal(int channel, void *data, int qwc, int flags, int spr);

extern int dma_channel_send_normal_ucab(int channel, void *data, int qwc, int flags);

extern int dma_channel_receive_normal(int channel, void *data, int data_size, int flags, int spr);

extern int dma_channel_receive_chain(int channel, void *data, int data_size, int flags, int spr);

extern int dma_channel_shutdown(int channel, int flags);
 
#ifdef __cplusplus
}
#endif
 
#endif /* __DMA_H__ */