Add man page for the acpicpu(4) driver. I think all our acpi(4) bits

(aside from the kernel API) are documented now.

ok marco

1 files changed, 50 insertions, 0 deletions

diff --git a/share/man/man4/acpicpu.4 b/share/man/man4/acpicpu.4
new file mode 100644
index 00000000000..688f2033960
--- /dev/null
+++ b/share/man/man4/acpicpu.4
@@ -0,0 +1,50 @@
+.\"	$OpenBSD: acpicpu.4,v 1.1 2007/01/11 23:21:11 mk Exp $
+.\"
+.\" Copyright (c) 2006 Michael Knudsen <mk@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 December 24, 2006
+.Dt ACPICPU 4
+.Os
+.Sh NAME
+.Nm acpicpu
+.Nd ACPI Processor Power and Performance State
+.Sh SYNOPSIS
+.Cd "acpicpu* at acpi?"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for extracting processor power and performance
+levels from ACPI tables.
+This information can be used to throttle processor speed to reduce
+power usage and extend battery life through the hw.setperf
+.Xr sysctl 3
+mechanism.
+.Sh SEE ALSO
+.Xr sysctl 3 ,
+.Xr cpu 4 ,
+.Xr intro 4 ,
+.Xr apmd 8 ,
+.Xr sysctl 8
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 3.9 .
+.Sh AUTHORS
+.An -nosplit
+The
+.Nm
+driver was written by
+.An Marco Peereboom Aq marco@openbsd.org .