Ubuntu manuals

Provided by: linux-doc-2.6.15_2.6.15-23.39_all

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.