1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>piix_set_piomode</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="libATA Developer's Guide"><link rel="up" href="PiixInt.html" title="Chapter&#160;8.&#160;ata_piix Internals"><link rel="prev" href="API-piix-pata-prereset.html" title="piix_pata_prereset"><link rel="next" href="API-do-pata-set-dmamode.html" title="do_pata_set_dmamode"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">piix_set_piomode</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-piix-pata-prereset.html">Prev</a>&#160;</td><th width="60%" align="center">Chapter&#160;8.&#160;ata_piix Internals</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-do-pata-set-dmamode.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-piix-set-piomode"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>piix_set_piomode &#8212; 
2     Initialize host controller PATA PIO timings
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">void <b class="fsfunc">piix_set_piomode </b>(</code></td><td>struct ata_port * <var class="pdparam">ap</var>, </td></tr><tr><td>&#160;</td><td>struct ata_device * <var class="pdparam">adev</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1125050556"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>ap</code></em></span></dt><dd><p>
4     Port whose timings we are configuring
5    </p></dd><dt><span class="term"><em class="parameter"><code>adev</code></em></span></dt><dd><p>
6     Drive in question
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1125053196"></a><h2>Description</h2><p>
8   Set PIO mode for device, in host controller PCI config space.
9</p></div><div class="refsect1"><a name="idp1125053860"></a><h2>LOCKING</h2><p>
10   None (inherited from caller).
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12