.\"-
.\" SPDX-License-Identifier: BSD-2-Clause
.\"
.\" Copyright (c) 2013, 2016 Adrian Chadd <adrian@freebsd.org>
.\" Copyright (c) 2019 Vladimir Kondratyev <wulf@FreeBSD.org>
.\" Copyright (c) 2021 Philippe Michaud-Boudreault <pitwuu@gmail.com>
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
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.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.Dd September 15, 2024
.Dt IWMBTFW 8
.Os
.Sh NAME
.Nm iwmbtfw
.Nd download firmware for Intel Wireless AC Bluetooth USB devices
.Sh SYNOPSIS
.Nm
.Op Fl DI
.Fl d Ar device_name
.Fl f Ar firmware_path
.Nm
.Fl h
.Sh DESCRIPTION
The
.Nm
utility downloads the specified firmware file to the specified
.Xr ugen 4
device.
.Pp
This utility will
.Em only
work with Intel Wireless 7260/8260/9260 chip based Bluetooth USB devices
and some of their successors.
The identification is currently based on USB vendor ID/product ID pair.
The vendor ID should be 0x8087
.Pq Dv USB_VENDOR_INTEL2
and the product ID should be one of the supported devices.
.Pp
Firmware files are available in the
.Pa comms/iwmbt-firmware
port.
.Pp
The
.Nm
utility will query the device to determine which firmware image and board
configuration to load in at runtime.
.Pp
The options are as follows:
.Bl -tag -width "-f firmware_path"
.It Fl D
Enable verbose debugging.
.It Fl d Ar device_name
Specify
.Xr ugen 4
device name.
.It Fl f Ar firmware_path
Specify the directory containing the firmware files to search and upload.
.It Fl h
Display usage message and exit.
.It Fl I
Enable informational debugging.
.El
.Sh EXIT STATUS
.Ex -std
.Sh SEE ALSO
.Xr libusb 3 ,
.Xr ugen 4 ,
.Xr devd 8
.Sh AUTHORS
.Nm
is based on
.Xr ath3kfw 8
utility used as firmware downloader template and on Linux btintel driver
source code.
It is written by
.An Vladimir Kondratyev Aq Mt wulf@FreeBSD.org .
.Pp
Support for the 7260 card added by
.An Philippe Michaud-Boudreault Aq Mt pitwuu@gmail.com .
.Sh BUGS
Most likely.
Please report if found.