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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>Chapter 4. DMA Functions Provided</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="MCA Driver Programming Interface" /><link rel="up" href="index.html" title="MCA Driver Programming Interface" /><link rel="prev" href="re08.html" title="mca_mark_as_unused" /><link rel="next" href="re09.html" title="mca_enable_dma" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 4. DMA Functions Provided</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re08.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="re09.html">Next</a></td></tr></table><hr /></div><div class="chapter" title="Chapter 4. DMA Functions Provided"><div class="titlepage"><div><div><h2 class="title"><a id="dmafunctions"></a>Chapter 4. DMA Functions Provided</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="refentrytitle"><a href="re09.html"><span>mca_enable_dma</span></a></span><span class="refpurpose"> —
channel to enable DMA on
</span></dt><dt><span class="refentrytitle"><a href="re10.html"><span>mca_disable_dma</span></a></span><span class="refpurpose"> —
channel to disable DMA on
</span></dt><dt><span class="refentrytitle"><a href="re11.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="re12.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="re13.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="re14.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="re15.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="re16.html"><span>mca_set_dma_mode</span></a></span><span class="refpurpose"> —
set the DMA mode
</span></dt></dl></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re08.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="re09.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>mca_mark_as_unused</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>
