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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>MCA Architecture</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="The Linux Kernel API" /><link rel="up" href="ch09.html" title="Chapter 9. Hardware Interfaces" /><link rel="prev" href="re435.html" title="pci_hp_change_slot_info" /><link rel="next" href="re436.html" title="mca_enable_dma" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">MCA Architecture</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re435.html">Prev</a> </td><th width="60%" align="center">Chapter 9. Hardware Interfaces</th><td width="20%" align="right"> <a accesskey="n" href="re436.html">Next</a></td></tr></table><hr /></div><div class="sect1" title="MCA Architecture"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id2685448"></a>MCA Architecture</h2></div></div></div><div class="toc"><dl><dt><span class="sect2"><a href="ch09s07.html#id2685453">MCA Device Functions</a></span></dt><dt><span class="sect2"><a href="ch09s07.html#id2685468">MCA Bus DMA</a></span></dt></dl></div><div class="sect2" title="MCA Device Functions"><div class="titlepage"><div><div><h3 class="title"><a id="id2685453"></a>MCA Device Functions</h3></div></div></div><p>
Refer to the file arch/x86/kernel/mca_32.c for more information.
</p></div><div class="sect2" title="MCA Bus DMA"><div class="titlepage"><div><div><h3 class="title"><a id="id2685468"></a>MCA Bus DMA</h3></div></div></div><div class="toc"><dl><dt><span class="refentrytitle"><a href="re436.html"><span>mca_enable_dma</span></a></span><span class="refpurpose"> —
channel to enable DMA on
</span></dt><dt><span class="refentrytitle"><a href="re437.html"><span>mca_disable_dma</span></a></span><span class="refpurpose"> —
channel to disable DMA on
</span></dt><dt><span class="refentrytitle"><a href="re438.html"><span>mca_set_dma_addr</span></a></span><span class="refpurpose"> —
load a 24bit DMA address
</span></dt><dt><span class="refentrytitle"><a href="re439.html"><span>mca_get_dma_addr</span></a></span><span class="refpurpose"> —
load a 24bit DMA address
</span></dt><dt><span class="refentrytitle"><a href="re440.html"><span>mca_set_dma_count</span></a></span><span class="refpurpose"> —
load a 16bit transfer count
</span></dt><dt><span class="refentrytitle"><a href="re441.html"><span>mca_get_dma_residue</span></a></span><span class="refpurpose"> —
get the remaining bytes to transfer
</span></dt><dt><span class="refentrytitle"><a href="re442.html"><span>mca_set_dma_io</span></a></span><span class="refpurpose"> —
set the port for an I/O transfer
</span></dt><dt><span class="refentrytitle"><a href="re443.html"><span>mca_set_dma_mode</span></a></span><span class="refpurpose"> —
set the DMA mode
</span></dt></dl></div></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re435.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch09.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re436.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>pci_hp_change_slot_info</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>mca_enable_dma</span></td></tr></table></div></body></html>
