Name
mca_set_dma_mode —
set the DMA mode
Synopsis
void mca_set_dma_mode ( | unsigned int | dmanr, |
| | unsigned int | mode); |
Arguments
dmanr
DMA channel
mode
mode to set
Description
The 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.