~kris/9p

9hist

ref: a7260b52cd3ae3f1b5af2addad7e67accfbaac4c 9hist/bitsy/sa1110dma.h -rw-r--r-- 381 bytes
a7260b52 — David du Colombier Plan 9 from Bell Labs 2001-05-15 25 years ago 
                                                                                
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enum {
	Port4MCP		= 0x80060008,
	Port4SSP		= 0x8007006c,
	AudioDMA		= 0xa,
	SSPXmitDMA		= 0xe,
	SSPRecvDMA		= 0xf,
};

void	dmainit(void);
int		dmaalloc(int, int, int, int, int, ulong, void (*)(void*, ulong), void*);
void	dmareset(int, int, int, int, int, int, ulong);
void	dmafree(int);

ulong	dmastart(int, ulong, int);

void	dmawait(int);
void	dmastop(int);
int		dmaidle(int);