mca_set_dma_io(9)
NAME
mca_set_dma_io - set the port for an I/O transfer
SYNOPSIS
void mca_set_dma_io(unsigned int dmanr, unsigned int io_addr);
ARGUMENTS
- dmanr
- DMA channel
- io_addr
- an I/O port number
DESCRIPTION
Unlike the ISA bus DMA controllers the DMA on MCA bus can transfer with
an I/O port target.