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<table class="head">
<tr>
<td class="head-ltitle">UBTBCMFW(4)</td>
<td class="head-vol">Device Drivers Manual</td>
<td class="head-rtitle">UBTBCMFW(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">ubtbcmfw</code> —
<span class="Nd">Firmware driver for Broadcom BCM2033 chip based Bluetooth
USB devices</span></p>
</section>
<section class="Sh">
<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1>
<p class="Pp">To compile this driver into the kernel, place the following line
in your kernel configuration file:</p>
<div class="Bd Pp Bd-indent"><code class="Cd">device ubtbcmfw</code></div>
<p class="Pp">Alternatively, to load the driver as a module at boot time, place
the following line in <a class="Xr">loader.conf(5)</a>:</p>
<div class="Bd Pp Bd-indent Li">
<pre>ubtbcmfw_load="YES"</pre>
</div>
</section>
<section class="Sh">
<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1>
<p class="Pp">The <code class="Nm">ubtbcmfw</code> is a firmware driver for
Broadcom BCM2033 chip based Bluetooth USB devices. It provides minimal
access to the parts of the device required to download firmware.</p>
<p class="Pp">The <code class="Nm">ubtbcmfw</code> driver creates three fixed
endpoint device nodes.</p>
<p class="Pp">The control transfers can only happen on the control endpoint
which is always endpoint 0. Control requests are issued by
<a class="Xr">ioctl(2)</a> calls.</p>
<p class="Pp">Only incoming transfers are supported on an interrupt endpoint. To
perform I/O on an interrupt endpoint, <a class="Xr">read(2)</a> should be
used. All I/O operations on an interrupt endpoint are unbuffered. Interrupt
endpoint is always endpoint 1.</p>
<p class="Pp">Only outgoing bulk transfers are supported on a bulk endpoint. To
perform I/O on a bulk endpoint, <a class="Xr">write(2)</a> should be used.
All I/O operations on a bulk endpoint are unbuffered. Outgoing bulk endpoint
is always endpoint 2.</p>
<p class="Pp">The control endpoint (endpoint 0) handles the following
<a class="Xr">ioctl(2)</a> calls:</p>
<dl class="Bl-tag">
<dt id="USB_GET_DEVICE_DESC"><a class="permalink" href="#USB_GET_DEVICE_DESC"><code class="Dv">USB_GET_DEVICE_DESC</code></a>
(<var class="Vt">usb_device_descriptor_t</var>)</dt>
<dd>Return the device descriptor.</dd>
</dl>
</section>
<section class="Sh">
<h1 class="Sh" id="FILES"><a class="permalink" href="#FILES">FILES</a></h1>
<dl class="Bl-tag Bl-compact">
<dt><span class="Pa">/dev/ubtbcmfw</span><var class="Ar">N</var><span class="Pa">.</span><var class="Ar">EE</var></dt>
<dd>Endpoint <var class="Ar">EE</var> of device <var class="Ar">N</var>.</dd>
</dl>
</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">ng_ubt(4)</a>, <a class="Xr">ugen(4)</a>,
<a class="Xr">usb(4)</a>, <a class="Xr">bcmfw(8)</a></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">ubtbcmfw</code> driver was implemented in
<span class="Ux">FreeBSD 5.0</span>.</p>
</section>
<section class="Sh">
<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1>
<p class="Pp"><span class="An">Maksim Yevmenkin</span>
<<a class="Mt" href="mailto:m_evmenkin@yahoo.com">m_evmenkin@yahoo.com</a>></p>
</section>
<section class="Sh">
<h1 class="Sh" id="BUGS"><a class="permalink" href="#BUGS">BUGS</a></h1>
<p class="Pp">Most likely. Please report if found.</p>
</section>
</div>
<table class="foot">
<tr>
<td class="foot-date">November 22, 2006</td>
<td class="foot-os">FreeBSD 15.0</td>
</tr>
</table>
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