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.