MCA_SET_DMA_IO(9) Hardware Interfaces MCA_SET_DMA_IO(9)NAMEmca_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.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 MCA_SET_DMA_IO(9)