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10.5. MCA Architecture

10.5.1. MCA Device Functions

Table of Contents
mca_find_adapter --  scan for adapters
mca_find_unused_adapter --  scan for unused adapters
mca_read_stored_pos --  read POS register from boot data
mca_read_pos --  read POS register from card
mca_write_pos --  read POS register from card
mca_set_adapter_name --  Set the description of the card
mca_set_adapter_procfn --  Set the /proc callback
mca_is_adapter_used --  check if claimed by driver
mca_mark_as_used --  claim an MCA device
mca_mark_as_unused --  release an MCA device
mca_get_adapter_name --  get the adapter description
mca_isadapter --  check if the slot holds an adapter
mca_isenabled --  check if the slot holds an adapter

10.5.2. 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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