1 files changed, 65 insertions, 0 deletions
diff --git a/share/man/man4/acpi.4 b/share/man/man4/acpi.4
new file mode 100644
index 00000000000..b96a15e4a05
--- /dev/null
+++ b/share/man/man4/acpi.4
@@ -0,0 +1,65 @@
+.\"	$OpenBSD: acpi.4,v 1.1 2006/01/07 10:25:42 grange Exp $
+.\"
+.\" Copyright (c) 2006 Alexander Yurchenko <grange@openbsd.org>
+.\"
+.\" Permission to use, copy, modify, and distribute this software for any
+.\" purpose with or without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+.\"
+.Dd January 7, 2006
+.Dt ACPI 4
+.Os
+.Sh NAME
+.Nm acpi
+.Nd Advanced Configuration and Power Interface
+.Sh SYNOPSIS
+.Cd "acpi0 at mainbus?"
+.Pp
+.Cd "option ACPIVERBOSE"
+.Cd "option ACPI_ENABLE"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides basic support for the ACPI including loading ACPI tables from
+the firmware, parsing and interpreting AML code, events handling,
+suspending and powering off, attaching device drivers.
+.Pp
+If configuration option
+.Dq Dv ACPIVERBOSE
+is set the information about all found ACPI devices will be displayed on boot.
+.Pp
+If configuration option
+.Dq Dv ACPI_ENABLE
+is set the
+.Nm
+driver will take over the ACPI control.
+WARNING: this may cause an overheating on some machines since the
+.Nm
+doesn't provide any thermal and cooling control.
+.Sh SUPPORTED DEVICES
+.Bl -tag -width 12n -offset ind -compact
+.It Xr acpitimer 4
+ACPI power management timer
+.El
+.Sh SEE ALSO
+.Xr acpitimer 4 ,
+.Xr intro 4
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 3.8 .
+.Sh AUTHORS
+.An -nosplit
+The
+.Nm
+driver was written by
+.An Thorsten Lockert Aq tholo@sigmasoft.com .