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-<table class="head">
- <tr>
- <td class="head-ltitle">TDVFB(4)</td>
- <td class="head-vol">Device Drivers Manual</td>
- <td class="head-rtitle">TDVFB(4)</td>
- </tr>
-</table>
-<div class="manual-text">
-<section class="Sh">
-<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1>
-<p class="Pp"><code class="Nm">tdvfb</code> &#x2014; <span class="Nd">3Dfx
- Voodoo Graphics / Voodoo 2 framebuffer driver</span></p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1>
-<p class="Pp"><code class="Cd">tdvfb* at pci?</code>
- <br/>
- <code class="Cd">wsdisplay* at tdvfb?</code>
- <br/>
- <code class="Cd">options TDVFB_CONSOLE</code></p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1>
-<p class="Pp">The <code class="Nm">tdvfb</code> driver provides support for the
- graphics cards based on 3Dfx Voodoo Graphics (SST-1) and 3Dfx Voodoo2 (CVG)
- chipsets and provides an interface for the machine independent
- <a class="Xr">wscons(4)</a> driver.</p>
-<p class="Pp">Since both Voodoo Graphics and Voodoo2 were originally designed as
- a 3D-only solutions, most boards do not have any kind of firmware. The
- <code class="Nm">tdvfb</code> driver is able to do low level initialization
- (boot) of the board, which means that it can be used on all architectures
- and is truly machine independent. However, it also means that driver cannot
- detect automatically if the card is used as a console. The
- <code class="Dv">TDVFB_CONSOLE</code> option is provided and should be set
- if the <code class="Nm">tdvfb</code> driver is intended to be used as a
- console.</p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE
- ALSO</a></h1>
-<p class="Pp"><a class="Xr">genfb(4)</a>, <a class="Xr">voodoofb(4)</a>,
- <a class="Xr">wsdisplay(4)</a></p>
-<p class="Pp"><cite class="Rs"><span class="RsA">3Dfx Interactive, Inc.</span>,
- <span class="RsT">Voodoo2 Graphics Engine for 3D Game Acceleration</span>,
- <span class="RsN">Revision 1.16</span>, <span class="RsD">December 1,
- 1999</span>.</cite></p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1>
-<p class="Pp">The <code class="Nm">tdvfb</code> device first appeared in
- <span class="Ux">NetBSD 7.0</span>.</p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1>
-<p class="Pp">The <code class="Nm">tdvfb</code> driver was written by
- <span class="An">Radoslaw Kujawa</span>. 3Dfx Glide 2.x source code, Linux
- driver by <span class="An">Ghozlane Toumi</span> were used as reference. The
- <a class="Xr">wscons(4)</a> attachment code is based mostly on the
- <a class="Xr">genfb(4)</a> driver by <span class="An">Michael
- Lorenz</span>.</p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="BUGS"><a class="permalink" href="#BUGS">BUGS</a></h1>
-<p class="Pp">3Dfx Voodoo2 has a simple 2D graphics engine. The
- <code class="Nm">tdvfb</code> driver has minimal support for this engine. It
- is activated only when the card is running in a 16-bit mode (this is a
- hardware limitation).</p>
-<p class="Pp">Video mode is hard-coded to 800x600 at 60Hz. Default bit depth for
- little endian machines is 16-bit, for big endian machines it is 32-bit.
- Resolution and depth should be selectable at least via kernel configuration
- file. It is not possible to detect what resolutions are supported by the
- monitor, since Voodoo Graphics and Voodoo2 have no DDC interface.</p>
-<p class="Pp">8-bit depth is not supported by the hardware. 16-bit depth is
- supported by the hardware and is the preferred depth, however it does not
- work correctly on big endian machines at the moment (this is a driver
- problem).</p>
-</section>
-</div>
-<table class="foot">
- <tr>
- <td class="foot-date">August 3, 2012</td>
- <td class="foot-os">NetBSD 10.1</td>
- </tr>
-</table>