11.5. MCA Architecture

11.5.1. MCA Device Functions

Refer to the file arch/i386/kernel/mca.c for more information.

11.5.2. MCA Bus DMA

Table of Contents
mca_enable_dma --  channel to enable DMA on
mca_disable_dma --  channel to disable DMA on
mca_set_dma_addr --  load a 24bit DMA address
mca_get_dma_addr --  load a 24bit DMA address
mca_set_dma_count --  load a 16bit transfer count
mca_get_dma_residue --  get the remaining bytes to transfer
mca_set_dma_io --  set the port for an I/O transfer
mca_set_dma_mode --  set the DMA mode