ref: 04a8392f8c7c75f585d48360774c6f1faa950f0c
dir: /sys/src/9/bitsy/sa1110dma.h/
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);