64 lines
2.2 KiB
Groff
64 lines
2.2 KiB
Groff
.\" $NetBSD: tctrl.4,v 1.4 2005/07/18 14:55:06 wiz Exp $
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.\"
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.\" Copyright (c) 1999 Jason L. Wright (jason@thought.net)
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" from: OpenBSD: tctrl.4,v 1.6 2003/06/23 09:34:53 miod Exp
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.\"
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.Dd March 31, 2004
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.Dt TCTRL 4 sparc
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.Os
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.Sh NAME
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.Nm tctrl
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.Nd Tadpole Microcontroller Interface
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.Sh SYNOPSIS
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.Cd "tctrl0 at obio0"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides control over many functions on the
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.Tn Tadpole SPARCbook
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3 series laptops, via their TS102 chip.
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The microcontroller is used to power the TFT display down when the
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laptop lid is closed and when the screen is blanked by the
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.Xr pnozz 4
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driver.
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The
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.Nm tctrl
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is also used to power the laptop off when the
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.Xr reboot 2
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system call is used with the
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.Ar RB_POWERDOWN
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flag is set.
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Power button events are forwarded to
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.Xr powerd 8 .
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The PCMCIA part of the controller is supported by
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.Xr tslot 4 .
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.Sh SEE ALSO
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.Xr reboot 2 ,
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.Xr intro 4 ,
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.Xr pnozz 4 ,
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.Xr tslot 4 ,
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.Xr powerd 8
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