Date: Fri, 17 Sep 2010 08:44:54 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r212787 - in head/share/man: man4 man7 Message-ID: <201009170844.o8H8isW5023950@svn.freebsd.org>
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Author: mav Date: Fri Sep 17 08:44:54 2010 New Revision: 212787 URL: http://svn.freebsd.org/changeset/base/212787 Log: Add atrtc(4) manual page. Added: head/share/man/man4/atrtc.4 (contents, props changed) Modified: head/share/man/man4/Makefile head/share/man/man4/attimer.4 head/share/man/man4/hpet.4 head/share/man/man7/eventtimers.7 Modified: head/share/man/man4/Makefile ============================================================================== --- head/share/man/man4/Makefile Fri Sep 17 07:44:01 2010 (r212786) +++ head/share/man/man4/Makefile Fri Sep 17 08:44:54 2010 (r212787) @@ -50,6 +50,7 @@ MAN= aac.4 \ atkbd.4 \ atkbdc.4 \ ${_atp.4} \ + ${_atrtc.4} \ ${_attimer.4} \ audit.4 \ auditpipe.4 \ @@ -645,6 +646,7 @@ _acpi_sony.4= acpi_sony.4 _acpi_toshiba.4=acpi_toshiba.4 _acpi_wmi.4= acpi_wmi.4 _aesni.4= aesni.4 +_atrtc.4= atrtc.4 _attimer.4= attimer.4 _aibs.4= aibs.4 _amdsbwd.4= amdsbwd.4 Added: head/share/man/man4/atrtc.4 ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/share/man/man4/atrtc.4 Fri Sep 17 08:44:54 2010 (r212787) @@ -0,0 +1,56 @@ +.\" Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org> +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.\" +.Dd September 17, 2010 +.Dt atrtc 4 +.Os +.Sh NAME +.Nm atrtc +.Nd AT Real-Time Clock (RTC) driver +.Sh SYNOPSIS +This driver is a mandatory part of i386/amd64 kernels. +.Pp +The following tunable is settable from the +.Xr loader 8 : +.Bl -ohang +.It Va hint.atrtc. Ns Ar X Ns Va .clock +controls event timers functionality support. Setting to 0, disables it. +Default value is 1. +.El +.Sh DESCRIPTION +This driver uses RTC hardware to supply kernel with time-of-day clock +with 1 second resolution and one event timer. +This hardware uses base frequency of 32768Hz for advancing time-of-day clock +and generating periodic interrupts. +Interrupts could be generated with fixed number of frequencies, from 2Hz to +8192Hz, obtained by dividing base frequency by one of supported power-of-2 +divisors. +.Pp +Event timer provided by the driver is irrelevant to CPU power states. +.Sh SEE ALSO +.Xr attimer 4 , +.Xr hpet 4 , +.Xr eventtimers 7 Modified: head/share/man/man4/attimer.4 ============================================================================== --- head/share/man/man4/attimer.4 Fri Sep 17 07:44:01 2010 (r212786) +++ head/share/man/man4/attimer.4 Fri Sep 17 08:44:54 2010 (r212787) @@ -65,5 +65,6 @@ functionality is disabled. .Pp Event timer provided by the driver is irrelevant to CPU power states. .Sh SEE ALSO +.Xr atrtc 4 , .Xr hpet 4 , .Xr eventtimers 7 Modified: head/share/man/man4/hpet.4 ============================================================================== --- head/share/man/man4/hpet.4 Fri Sep 17 07:44:01 2010 (r212786) +++ head/share/man/man4/hpet.4 Fri Sep 17 08:44:54 2010 (r212787) @@ -94,6 +94,7 @@ group is bound to specific CPU core. Thi of these comparators has own unsharable IRQ. .Sh SEE ALSO .Xr acpi 4 , +.Xr atrtc 4 , .Xr attimer 4 , .Xr eventtimers 7 .Sh HISTORY Modified: head/share/man/man7/eventtimers.7 ============================================================================== --- head/share/man/man7/eventtimers.7 Fri Sep 17 07:44:01 2010 (r212786) +++ head/share/man/man7/eventtimers.7 Fri Sep 17 08:44:54 2010 (r212787) @@ -129,4 +129,5 @@ always generating. .El .Sh SEE ALSO .Xr attimer 4 , +.Xr atrtc 4 , .Xr hpet 4
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