xref: /dragonfly/share/man/man4/ufm.4 (revision 279dd846)
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25.\" $FreeBSD: head/share/man/man4/ufm.4 204790 2010-03-06 05:57:24Z joel $
26.\"
27.Dd March 16, 2014
28.Dt UFM 4
29.Os
30.Sh NAME
31.Nm ufm
32.Nd USB driver for Cypress Semiconductor FM Radio
33.Sh SYNOPSIS
34To compile this driver into the kernel,
35place the following line in your
36kernel configuration file:
37.Bd -ragged -offset indent
38.Cd "device ufm"
39.Ed
40.Pp
41Alternatively, to load the driver as a
42module at boot time, place the following line in
43.Xr loader.conf 5 :
44.Bd -literal -offset indent
45ufm_load="YES"
46.Ed
47.Sh DESCRIPTION
48The
49.Nm
50driver provides support for the D-Link/GEMTEK FM tuner.
51The USB interface chip is the common Cypress 63001, and the tuner is a
52Philips TEA5757 radio chip that uses a serial interface to set the
53tuner parameters.
54This design is used in the D-Link DSB-R100 USB Radio.
55.Pp
56The
57.Nm
58device must be configured in the kernel, along with
59.Xr usb 4
60and one of the
61.Xr uhci 4
62or
63.Xr ohci 4
64controllers.
65.Pp
66Subsequently, the
67.Pa /dev/ufm0
68device can be used by userland applications.
69.Sh FILES
70.Bl -tag -width ".Pa /dev/ufm0" -compact
71.It Pa /dev/ufm0
72blocking device node
73.El
74.Sh SEE ALSO
75.Xr ohci 4 ,
76.Xr uhci 4 ,
77.Xr usb 4
78.Sh AUTHORS
79.An -nosplit
80The
81.Nm
82driver was written by
83.An M. Warner Losh Aq Mt imp@FreeBSD.org
84for
85.Fx .
86