code: 9ferno

ref: fa18daa2f56b306b151781523e877bd07d62f799
dir: /os/pc64/audio.h/

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enum
{
	Bufsize	= 1024,	/* 5.8 ms each, must be power of two */
	Nbuf		= 128,	/* .74 seconds total */
	Dma		= 6,
	IrqAUDIO	= 7,
	SBswab	= 0,
};

#define seteisadma(a, b)	dmainit(a, Bufsize);
#define CACHELINESZ		8
#define UNCACHED(type, v)	(type*)((uintptr)(v))

#define Int0vec
#define setvec(v, f, a)		intrenable(v, f, a, BUSUNKNOWN, "audio")