1.\" Copyright (c) 2003 Maksim Yevmenkin <m_evmenkin@yahoo.com> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $Id: ubtbcmfw.4,v 1.3 2003/05/21 19:37:35 max Exp $ 26.\" $FreeBSD$ 27.\" 28.Dd November 22, 2006 29.Dt UBTBCMFW 4 30.Os 31.Sh NAME 32.Nm ubtbcmfw 33.Nd Firmware driver for Broadcom BCM2033 chip based Bluetooth USB devices 34.Sh SYNOPSIS 35To compile this driver into the kernel, 36place the following line in your 37kernel configuration file: 38.Bd -ragged -offset indent 39.Cd "device ubtbcmfw" 40.Ed 41.Pp 42Alternatively, to load the driver as a 43module at boot time, place the following line in 44.Xr loader.conf 5 : 45.Bd -literal -offset indent 46ubtbcmfw_load="YES" 47.Ed 48.Sh DESCRIPTION 49The 50.Nm 51is a firmware driver for Broadcom BCM2033 chip based Bluetooth USB devices. 52It provides minimal access to the parts of the device required to download 53firmware. 54.Pp 55The 56.Nm 57driver creates three fixed endpoint device nodes. 58.Pp 59The control transfers can only happen on the control endpoint which 60is always endpoint 0. 61Control requests are issued by 62.Xr ioctl 2 63calls. 64.Pp 65Only incoming transfers are supported on an interrupt endpoint. 66To perform I/O on an interrupt endpoint, 67.Xr read 2 68should be used. 69All I/O operations on an interrupt endpoint are unbuffered. 70Interrupt endpoint is always endpoint 1. 71.Pp 72Only outgoing bulk transfers are supported on a bulk endpoint. 73To perform I/O on a bulk endpoint, 74.Xr write 2 75should be used. 76All I/O operations on a bulk endpoint are unbuffered. 77Outgoing bulk endpoint is always endpoint 2. 78.Pp 79The control endpoint (endpoint 0) handles the following 80.Xr ioctl 2 81calls: 82.Bl -tag -width indent 83.It Dv USB_GET_DEVICE_DESC Pq Vt usb_device_descriptor_t 84Return the device descriptor. 85.El 86.Sh FILES 87.Bl -tag -width ".Pa /dev/ubtbcmfw Ns Ar N Ns Pa \&. Ns Ar EE" -compact 88.It Pa /dev/ubtbcmfw Ns Ar N Ns Pa \&. Ns Ar EE 89Endpoint 90.Ar EE 91of device 92.Ar N . 93.El 94.Sh SEE ALSO 95.Xr ng_ubt 4 , 96.Xr ugen 4 , 97.Xr usb 4 , 98.Xr bcmfw 8 99.Sh HISTORY 100The 101.Nm 102driver was implemented in 103.Fx 5.0 . 104.Sh AUTHORS 105.An Maksim Yevmenkin Aq Mt m_evmenkin@yahoo.com 106.Sh BUGS 107Most likely. 108Please report if found. 109