freebsd-nq/share/man/man4/acpi_rapidstart.4

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.\" Copyright (c) 2013 Takanori Watanabe
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" $FreeBSD$
.\"
.Dd May 8, 2013
.Dt ACPI_RAPIDSTART 4
.Os
.Sh NAME
.Nm acpi_rapidstart
.Nd "Intel rapid start technology ACPI driver"
.Sh SYNOPSIS
To compile this driver into the kernel,
place the following line in your
kernel configuration file:
.Bd -ragged -offset indent
.Cd "device acpi_rapidstart"
.Ed
.Pp
Alternatively, to load the driver as a
module at boot time, place the following line in
.Xr loader.conf 5 :
.Bd -literal -offset indent
acpi_rapidstart_load="YES"
.Ed
.Sh DESCRIPTION
The
.Nm
driver provides support for Intel Rapid Start technology ACPI device interface.
2013-05-08 21:07:11 +00:00
Note that this is only for the ACPI device interface.
This has _CID PNP0C02 so it should be loaded at boot time to avoid attaching
to the acpi_sysresource driver.
.Sh SYSCTLS
2013-05-08 21:07:11 +00:00
The following
.Xr sysctl 8
nodes are currently implemented:
.Bl -tag -width indent
.It Va dev.acpi_rapidstart.0.ffs
Rapid start flag.
It is a bitwise OR of the following:
.Pp
.Bl -tag -width indent-two -compact
.It Li 1
Enter Fast Flash Standby in RTC wake.
.It Li 2
Enter Fast Flash Standby in Critical Battery Wake enable
.El
.It Va dev.acpi_rapidstart.0.ftv
Fast Flash Standby timer value in minutes.
.El
.Sh SEE ALSO
.Xr acpi 4 ,
.Xr sysctl 8
.Sh HISTORY
The
.Nm
driver first appeared in
.Fx 10.0 .
.Sh AUTHORS
The
.Nm
driver was written by
.An Takanori Watanabe Aq Mt takawata@FreeBSD.org .