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-<table class="head">
- <tr>
- <td class="head-ltitle">GENFB(4)</td>
- <td class="head-vol">Device Drivers Manual</td>
- <td class="head-rtitle">GENFB(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">genfb</code> &#x2014; <span class="Nd">generic
- framebuffer console 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">genfb* at pci?</code>
- <br/>
- <code class="Cd">genfb* at sbus?</code>
- <br/>
- <code class="Cd">genfb* at intvid?</code> (mac68k)
- <br/>
- <code class="Cd">genfb* at macvid?</code> (mac68k)
- <br/>
- <code class="Cd">wsdisplay* at genfb?</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">genfb</code> driver provides support for
- generic framebuffers that have no native driver. All it needs are some
- parameters to describe the framebuffer and an address.</p>
-<section class="Ss">
-<h2 class="Ss" id="PCI"><a class="permalink" href="#PCI">PCI</a></h2>
-<p class="Pp">When attaching to a <a class="Xr">pci(4)</a> bus the driver is
- configured via device properties:</p>
-<dl class="Bl-tag">
- <dt id="width"><a class="permalink" href="#width"><code class="Dv">width</code></a>
- (<code class="Li">uint32</code>)</dt>
- <dd>Width in pixels.</dd>
- <dt id="height"><a class="permalink" href="#height"><code class="Dv">height</code></a>
- (<code class="Li">uint32</code>)</dt>
- <dd>Height in pixels.</dd>
- <dt id="stride"><a class="permalink" href="#stride"><code class="Dv">stride</code></a>
- (<code class="Li">uint32</code>)</dt>
- <dd>Line size in bytes.</dd>
- <dt id="depth"><a class="permalink" href="#depth"><code class="Dv">depth</code></a>
- (<code class="Li">uint32</code>)</dt>
- <dd>Bits per pixel.</dd>
- <dt id="is_console"><a class="permalink" href="#is_console"><code class="Dv">is_console</code></a>
- (<code class="Li">bool</code>)</dt>
- <dd>If true, <code class="Nm">genfb</code> will try to become the system
- console.</dd>
- <dt id="address"><a class="permalink" href="#address"><code class="Dv">address</code></a>
- (<code class="Li">uint32</code>)</dt>
- <dd>Bus address of the framebuffer.</dd>
-</dl>
-</section>
-<section class="Ss">
-<h2 class="Ss" id="SBus"><a class="permalink" href="#SBus">SBus</a></h2>
-<p class="Pp">When attaching to <a class="Xr">sbus(4)</a> all those parameters
- are retrieved from the firmware.</p>
-</section>
-<section class="Ss">
-<h2 class="Ss" id="mac68k"><a class="permalink" href="#mac68k">mac68k</a></h2>
-<p class="Pp">All those parameters are configured with Mac OS, and retrieved
- from the boot loader.</p>
-</section>
-</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">mac68k/intro(4)</a>, <a class="Xr">pci(4)</a>,
- <a class="Xr">sbus(4)</a>, <a class="Xr">wscons(4)</a>,
- <a class="Xr">wsdisplay(4)</a></p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="BUGS"><a class="permalink" href="#BUGS">BUGS</a></h1>
-<p class="Pp">There is no way to change the color map even when the firmware
- supports it. The <a class="Xr">pci(4)</a> bus frontend has only been tested
- on macppc, i386, and amd64 and requires machine dependent code to pass the
- properties mentioned above. So far only macppc, i386, and amd64 provides
- them.</p>
-</section>
-</div>
-<table class="foot">
- <tr>
- <td class="foot-date">July 26, 2019</td>
- <td class="foot-os">NetBSD 10.1</td>
- </tr>
-</table>