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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 3. Parallel Port Devices</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="Linux Device Drivers" /><link rel="up" href="index.html" title="Linux Device Drivers" /><link rel="prev" href="re275.html" title="struct uio_info" /><link rel="next" href="re276.html" title="parport_yield" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 3. Parallel Port Devices</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re275.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="re276.html">Next</a></td></tr></table><hr /></div><div class="chapter" title="Chapter 3. Parallel Port Devices"><div class="titlepage"><div><div><h2 class="title"><a id="parportdev"></a>Chapter 3. Parallel Port Devices</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="refentrytitle"><a href="re276.html"><span>parport_yield</span></a></span><span class="refpurpose"> —
relinquish a parallel port temporarily
</span></dt><dt><span class="refentrytitle"><a href="re277.html"><span>parport_yield_blocking</span></a></span><span class="refpurpose"> —
relinquish a parallel port temporarily
</span></dt><dt><span class="refentrytitle"><a href="re278.html"><span>parport_wait_event</span></a></span><span class="refpurpose"> —
wait for an event on a parallel port
</span></dt><dt><span class="refentrytitle"><a href="re279.html"><span>parport_wait_peripheral</span></a></span><span class="refpurpose"> —
wait for status lines to change in 35ms
</span></dt><dt><span class="refentrytitle"><a href="re280.html"><span>parport_negotiate</span></a></span><span class="refpurpose"> —
negotiate an IEEE 1284 mode
</span></dt><dt><span class="refentrytitle"><a href="re281.html"><span>parport_write</span></a></span><span class="refpurpose"> —
write a block of data to a parallel port
</span></dt><dt><span class="refentrytitle"><a href="re282.html"><span>parport_read</span></a></span><span class="refpurpose"> —
read a block of data from a parallel port
</span></dt><dt><span class="refentrytitle"><a href="re283.html"><span>parport_set_timeout</span></a></span><span class="refpurpose"> —
set the inactivity timeout for a device
</span></dt><dt><span class="refentrytitle"><a href="re284.html"><span>parport_register_driver</span></a></span><span class="refpurpose"> —
register a parallel port device driver
</span></dt><dt><span class="refentrytitle"><a href="re285.html"><span>parport_unregister_driver</span></a></span><span class="refpurpose"> —
deregister a parallel port device driver
</span></dt><dt><span class="refentrytitle"><a href="re286.html"><span>parport_get_port</span></a></span><span class="refpurpose"> —
increment a port's reference count
</span></dt><dt><span class="refentrytitle"><a href="re287.html"><span>parport_put_port</span></a></span><span class="refpurpose"> —
decrement a port's reference count
</span></dt><dt><span class="refentrytitle"><a href="re288.html"><span>parport_register_port</span></a></span><span class="refpurpose"> —
register a parallel port
</span></dt><dt><span class="refentrytitle"><a href="re289.html"><span>parport_announce_port</span></a></span><span class="refpurpose"> —
tell device drivers about a parallel port
</span></dt><dt><span class="refentrytitle"><a href="re290.html"><span>parport_remove_port</span></a></span><span class="refpurpose"> —
deregister a parallel port
</span></dt><dt><span class="refentrytitle"><a href="re291.html"><span>parport_register_device</span></a></span><span class="refpurpose"> —
register a device on a parallel port
</span></dt><dt><span class="refentrytitle"><a href="re292.html"><span>parport_unregister_device</span></a></span><span class="refpurpose"> —
deregister a device on a parallel port
</span></dt><dt><span class="refentrytitle"><a href="re293.html"><span>parport_find_number</span></a></span><span class="refpurpose"> —
find a parallel port by number
</span></dt><dt><span class="refentrytitle"><a href="re294.html"><span>parport_find_base</span></a></span><span class="refpurpose"> —
find a parallel port by base address
</span></dt><dt><span class="refentrytitle"><a href="re295.html"><span>parport_claim</span></a></span><span class="refpurpose"> —
claim access to a parallel port device
</span></dt><dt><span class="refentrytitle"><a href="re296.html"><span>parport_claim_or_block</span></a></span><span class="refpurpose"> —
claim access to a parallel port device
</span></dt><dt><span class="refentrytitle"><a href="re297.html"><span>parport_release</span></a></span><span class="refpurpose"> —
give up access to a parallel port device
</span></dt><dt><span class="refentrytitle"><a href="re298.html"><span>parport_open</span></a></span><span class="refpurpose"> —
find a device by canonical device number
</span></dt><dt><span class="refentrytitle"><a href="re299.html"><span>parport_close</span></a></span><span class="refpurpose"> —
close a device opened with <code class="function">parport_open</code>
</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="re275.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="re276.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>struct uio_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>parport_yield</span></td></tr></table></div></body></html>
