1.\" Copyright (c) 2013, 2016 Adrian Chadd <adrian@freebsd.org>
2.\" Copyright (c) 2019 Vladimir Kondratyev <wulf@FreeBSD.org>
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
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25.\" $FreeBSD$
26.\"
27.Dd June 4, 2019
28.Dt IWMBTFW 8
29.Os
30.Sh NAME
31.Nm iwmbtfw
32.Nd firmware download utility for Intel Wireless 8260/8265 chip based Bluetooth
33USB devices
34.Sh SYNOPSIS
35.Nm
36.Fl d Ar device_name
37.Fl f Ar firmware_path
38.Nm
39.Fl h
40.Sh DESCRIPTION
41The
42.Nm
43utility downloads the specified firmware file to the specified
44.Xr ugen 4
45device.
46.Pp
47This utility will
48.Em only
49work with Intel Wireless 8260/8265 chip based Bluetooth USB devices and some of
50their successors.
51The identification is currently based on USB vendor ID/product ID pair.
52The vendor ID should be 0x8087
53.Pq Dv USB_VENDOR_INTEL2
54and the product ID should be one of the supported devices.
55.Pp
56Firmware files are available in the
57.Pa comms/iwmbt-firmware
58port.
59.Pp
60The
61.Nm
62utility will query the device to determine which firmware image and board
63configuration to load in at runtime.
64.Pp
65The options are as follows:
66.Bl -tag -width indent
67.It Fl D
68Enable verbose debugging.
69.It Fl d Ar device_name
70Specify
71.Xr ugen 4
72device name.
73.It Fl I
74Enable informational debugging.
75.It Fl f Ar firmware_path
76Specify the directory containing the firmware files to search and upload.
77.It Fl h
78Display usage message and exit.
79.El
80.Sh EXIT STATUS
81.Ex -std
82.Sh SEE ALSO
83.Xr libusb 3 ,
84.Xr ugen 4 ,
85.Xr devd 8
86.Sh AUTHORS
87.Nm
88is based on
89.Xr ath3kfw 8
90utility used as firmware downloader template and on Linux btintel driver
91source code.
92It is written by
93.An Vladimir Kondratyev Aq Mt wulf@FreeBSD.org .
94.Sh BUGS
95Most likely.
96Please report if found.
97