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<section id="framebuffer-driver-for-cirrus-logic-chipsets">
<h1>Framebuffer driver for Cirrus Logic chipsets<a class="headerlink" href="#framebuffer-driver-for-cirrus-logic-chipsets" title="Link to this heading">¶</a></h1>
<p>Copyright 1999 Jeff Garzik <<a class="reference external" href="mailto:jgarzik%40pobox.com">jgarzik<span>@</span>pobox<span>.</span>com</a>></p>
<dl class="simple">
<dt>Chip families supported:</dt><dd><ul class="simple">
<li><p>SD64</p></li>
<li><p>Piccolo</p></li>
<li><p>Picasso</p></li>
<li><p>Spectrum</p></li>
<li><p>Alpine (GD-543x/4x)</p></li>
<li><p>Picasso4 (GD-5446)</p></li>
<li><p>GD-5480</p></li>
<li><p>Laguna (GD-546x)</p></li>
</ul>
</dd>
<dt>Bus’s supported:</dt><dd><ul class="simple">
<li><p>PCI</p></li>
<li><p>Zorro</p></li>
</ul>
</dd>
<dt>Architectures supported:</dt><dd><ul class="simple">
<li><p>i386</p></li>
<li><p>Alpha</p></li>
<li><p>PPC (Motorola Powerstack)</p></li>
<li><p>m68k (Amiga)</p></li>
</ul>
</dd>
</dl>
<section id="default-video-modes">
<h2>Default video modes<a class="headerlink" href="#default-video-modes" title="Link to this heading">¶</a></h2>
<p>At the moment, there are two kernel command line arguments supported:</p>
<ul class="simple">
<li><p>mode:640x480</p></li>
<li><p>mode:800x600</p></li>
<li><p>mode:1024x768</p></li>
</ul>
<p>Full support for startup video modes (modedb) will be integrated soon.</p>
</section>
<section id="version-1-9-9-1">
<h2>Version 1.9.9.1<a class="headerlink" href="#version-1-9-9-1" title="Link to this heading">¶</a></h2>
<ul class="simple">
<li><p>Fix memory detection for 512kB case</p></li>
<li><p>800x600 mode</p></li>
<li><p>Fixed timings</p></li>
<li><p>Hint for AXP: Use -accel false -vyres -1 when changing resolution</p></li>
</ul>
</section>
<section id="version-1-9-4-4">
<h2>Version 1.9.4.4<a class="headerlink" href="#version-1-9-4-4" title="Link to this heading">¶</a></h2>
<ul class="simple">
<li><p>Preliminary Laguna support</p></li>
<li><p>Overhaul color register routines.</p></li>
<li><p>Associated with the above, console colors are now obtained from a LUT
called ‘palette’ instead of from the VGA registers. This code was
modelled after that in atyfb and matroxfb.</p></li>
<li><p>Code cleanup, add comments.</p></li>
<li><p>Overhaul SR07 handling.</p></li>
<li><p>Bug fixes.</p></li>
</ul>
</section>
<section id="version-1-9-4-3">
<h2>Version 1.9.4.3<a class="headerlink" href="#version-1-9-4-3" title="Link to this heading">¶</a></h2>
<ul class="simple">
<li><p>Correctly set default startup video mode.</p></li>
<li><p>Do not override ram size setting. Define
CLGEN_USE_HARDCODED_RAM_SETTINGS if you _do_ want to override the RAM
setting.</p></li>
<li><p>Compile fixes related to new 2.3.x IORESOURCE_IO[PORT] symbol changes.</p></li>
<li><p>Use new 2.3.x resource allocation.</p></li>
<li><p>Some code cleanup.</p></li>
</ul>
</section>
<section id="version-1-9-4-2">
<h2>Version 1.9.4.2<a class="headerlink" href="#version-1-9-4-2" title="Link to this heading">¶</a></h2>
<ul class="simple">
<li><p>Casting fixes.</p></li>
<li><p>Assertions no longer cause an oops on purpose.</p></li>
<li><p>Bug fixes.</p></li>
</ul>
</section>
<section id="version-1-9-4-1">
<h2>Version 1.9.4.1<a class="headerlink" href="#version-1-9-4-1" title="Link to this heading">¶</a></h2>
<ul class="simple">
<li><p>Add compatibility support. Now requires a 2.1.x, 2.2.x or 2.3.x kernel.</p></li>
</ul>
</section>
<section id="version-1-9-4">
<h2>Version 1.9.4<a class="headerlink" href="#version-1-9-4" title="Link to this heading">¶</a></h2>
<ul class="simple">
<li><p>Several enhancements, smaller memory footprint, a few bugfixes.</p></li>
<li><p>Requires kernel 2.3.14-pre1 or later.</p></li>
</ul>
</section>
<section id="version-1-9-3">
<h2>Version 1.9.3<a class="headerlink" href="#version-1-9-3" title="Link to this heading">¶</a></h2>
<ul class="simple">
<li><p>Bundled with kernel 2.3.14-pre1 or later.</p></li>
</ul>
</section>
</section>
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