1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>ata_timing_cycle2mode</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="libataExt.html" title="Chapter&#160;4.&#160;libata Library"><link rel="prev" href="API-sata-set-spd.html" title="sata_set_spd"><link rel="next" href="API-ata-do-set-mode.html" title="ata_do_set_mode"></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">ata_timing_cycle2mode</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-sata-set-spd.html">Prev</a>&#160;</td><th width="60%" align="center">Chapter&#160;4.&#160;libata Library</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-ata-do-set-mode.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-ata-timing-cycle2mode"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>ata_timing_cycle2mode &#8212; 
2     find xfer mode for the specified cycle duration
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">u8 <b class="fsfunc">ata_timing_cycle2mode </b>(</code></td><td>unsigned int <var class="pdparam">xfer_shift</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">cycle</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1123580204"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>xfer_shift</code></em></span></dt><dd><p>
4     ATA_SHIFT_* value for transfer type to examine.
5    </p></dd><dt><span class="term"><em class="parameter"><code>cycle</code></em></span></dt><dd><p>
6     cycle duration in ns
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1123582788"></a><h2>Description</h2><p>
8   Return matching xfer mode for <em class="parameter"><code>cycle</code></em>.  The returned mode is of
9   the transfer type specified by <em class="parameter"><code>xfer_shift</code></em>.  If <em class="parameter"><code>cycle</code></em> is too
10   slow for <em class="parameter"><code>xfer_shift</code></em>, 0xff is returned.  If <em class="parameter"><code>cycle</code></em> is faster
11   than the fastest known mode, the fasted mode is returned.
12</p></div><div class="refsect1"><a name="idp1123585116"></a><h2>LOCKING</h2><p>
13   None.
14</p></div><div class="refsect1"><a name="idp1123585692"></a><h2>RETURNS</h2><p>
15   Matching xfer_mode, 0xff if no match found.
16</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-sata-set-spd.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="libataExt.html">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="API-ata-do-set-mode.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">sata_set_spd</span>&#160;</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">&#160;<span class="phrase">ata_do_set_mode</span></td></tr></table></div></body></html>
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