MCA_SET_DMA_MODE - Online Linux Manual Page

Section : 9
Updated : June 2018
Source : Kernel Hackers Manual 2​.6​.
Note : Hardware Interfaces
NAMEmca_set_dma_mode − set the DMA mode
SYNOPSISvoid mca_set_dma_mode(unsigned int dmanr, unsigned int mode);
ARGUMENTSdmanr DMA channel mode mode to set
DESCRIPTIONThe DMA controller supports several modes​. The mode values you can set are− MCA_DMA_MODE_READ when reading from the DMA device​. MCA_DMA_MODE_WRITE to writing to the DMA device​. MCA_DMA_MODE_IO to do DMA to or from an I/O port​. MCA_DMA_MODE_16 to do 16bit transfers​.
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