The Linux Kernel API
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Chapter 11. Hardware Interfaces
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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
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