1.\" $OpenBSD: tda.4,v 1.5 2013/07/16 16:05:50 schwarze Exp $ 2.\" 3.\" Copyright (c) 2008 Robert Nagy <robert@openbsd.org> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: July 16 2013 $ 18.Dt TDA 4 sparc64 19.Os 20.Sh NAME 21.Nm tda 22.Nd Philips TDA8444 fan controller 23.Sh SYNOPSIS 24.Cd "tda* at iic?" 25.Sh DESCRIPTION 26The 27.Nm 28driver supports the TDA8444 DAC to adjust the output voltage to the fans 29on Sun Blade 1000/2000 machines. 30.Pp 31The driver watches the internal and external temperature provided by the 32sensors framework and adjusts the fan speeds accordingly. 33.Sh SEE ALSO 34.Xr iic 4 35.Sh HISTORY 36The 37.Nm 38driver first appeared in 39.Ox 4.3 . 40.Sh AUTHORS 41.An -nosplit 42The 43.Nm 44driver was written by 45.An Robert Nagy Aq Mt robert@openbsd.org 46and 47.An Mark Kettenis Aq Mt kettenis@openbsd.org . 48