add a (disabled) driver for the Apple System Management Controller (SMC) as

found in Apple Intel based devices

"go at it" deraadt@

2 files changed, 66 insertions, 2 deletions

diff --git a/share/man/man4/asmc.4 b/share/man/man4/asmc.4
new file mode 100644
index 00000000000..154abaceda6
--- /dev/null
+++ b/share/man/man4/asmc.4
@@ -0,0 +1,62 @@
+.\"	$OpenBSD: asmc.4,v 1.1 2015/09/30 12:15:12 jung Exp $
+.\"
+.\" Copyright (c) 2015 Joerg Jung <jung@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 $Mdocdate: September 30 2015 $
+.Dt ASMC 4
+.Os
+.Sh NAME
+.Nm asmc
+.Nd Apple System Management Controller (SMC)
+.Sh SYNOPSIS
+.Cd "asmc0 at isa? port 0x300"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for the Apple System Management Controller (SMC), as
+found in Intel based Apple devices.
+.Pp
+The driver possesses a collection of temperature, fan, light, and acceleration
+sensor values which are made available through the
+.Xr sysctl 8
+interface.
+.Pp
+If available, the keyboard backlight is enabled by the driver.
+.Sh SEE ALSO
+.Xr intro 4 ,
+.Xr isa 4 ,
+.Xr sensorsd 8 ,
+.Xr sysctl 8
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 5.9 .
+.Sh AUTHORS
+.An -nosplit
+The
+.Nm
+driver was written by
+.An Joerg Jung Aq Mt jung@openbsd.org .
+.Sh CAVEATS
+Light sensor values may not be available on older products.
+.Pp
+Acceleration sensors are not available and the associated interrupt handling is
+not implemented.
+.Pp
+Changing the keyboard backlight value is not implemented.
+.Pp
+Besides the sensors, the huge amount of other functions and information
+available from the SMC is not supported.  
diff --git a/share/man/man4/isa.4 b/share/man/man4/isa.4
index 1658a68a10d..f261022746a 100644
--- a/share/man/man4/isa.4
+++ b/share/man/man4/isa.4
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: isa.4,v 1.73 2014/12/10 05:42:25 jsg Exp $
+.\"	$OpenBSD: isa.4,v 1.74 2015/09/30 12:15:12 jung Exp $
 .\"	$NetBSD: isa.4,v 1.19 2000/03/18 16:54:37 augustss Exp $
 .\"
 .\" Copyright (c) 2000 Theo de Raadt.  All rights reserved.
@@ -31,7 +31,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: December 10 2014 $
+.Dd $Mdocdate: September 30 2015 $
 .Dt ISA 4
 .Os
 .Sh NAME
@@ -185,6 +185,8 @@ SoundForte RadioLink SF16-FMR2 FM radio device
 .Bl -tag -width 12n -offset ind -compact
 .It Xr aps 4
 ThinkPad Active Protection System accelerometer
+.It Xr asmc 4
+Apple System Management Controller (SMC)
 .It Xr fins 4
 Fintek F71805F LPC Super I/O
 .It Xr it 4