Document acpiac, acpiec, and acpitz.

From Dmitri Alenitchev with tweaking from jmc and myself.

ok jmc

1 files changed, 52 insertions, 6 deletions

diff --git a/share/man/man4/acpi.4 b/share/man/man4/acpi.4
index 8e334dc8feb..f5053f2a8db 100644
--- a/share/man/man4/acpi.4
+++ b/share/man/man4/acpi.4
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: acpi.4,v 1.8 2006/10/02 19:39:54 mk Exp $
+.\"	$OpenBSD: acpi.4,v 1.9 2006/10/03 20:37:41 mk Exp $
 .\"
 .\" Copyright (c) 2006 Alexander Yurchenko <grange@openbsd.org>
 .\"
@@ -19,15 +19,21 @@
 .Os
 .Sh NAME
 .Nm acpi ,
+.Nm acpiac ,
 .Nm acpibat ,
+.Nm acpiec ,
 .Nm acpihpet ,
-.Nm acpitimer
+.Nm acpitimer ,
+.Nm acpitz
 .Nd Advanced Configuration and Power Interface
 .Sh SYNOPSIS
 .Cd "acpi0 at mainbus?"
+.Cd "acpiac* at acpi?"
 .Cd "acpibat* at acpi?"
+.Cd "acpiec* at acpi?"
 .Cd "acpihpet* at acpi?"
 .Cd "acpitimer* at acpi?"
+.Cd "acpitz* at acpi?"
 .Pp
 .Cd "option ACPIVERBOSE"
 .Cd "option ACPI_ENABLE"
@@ -39,6 +45,11 @@ the firmware, parsing and interpreting AML code, event handling,
 suspending and powering off, and attaching device drivers.
 .Pp
 The
+.Nm acpiec
+driver provides access to ACPI Embedded Controllers for other ACPI devices.
+AC power source status is updated every 10 seconds.
+.Pp
+The
 .Nm acpibat
 driver supports the ACPI Control Method Battery interface between the
 battery and the host.
@@ -47,6 +58,22 @@ and serial number, is available through this driver.
 Battery status is updated every 10 seconds.
 .Pp
 The
+.Nm acpiec
+driver supports ACPI Embedded Controllers.
+It provides embedded controller access for other ACPI devices.
+On many systems
+which have an
+.Nm acpiec
+device, other ACPI devices such as
+.Nm acpiac ,
+.Nm acpibat ,
+and
+.Nm acpitz
+implicitly depend on the
+.Nm acpiec
+device.
+.Pp
+The
 .Nm acpihpet
 driver provides support for the high precision event timer to be used
 as a timecounter for the
@@ -60,6 +87,15 @@ The timer is used as a timecounter for the
 .Xr tc_init 9
 framework.
 .Pp
+The
+.Nm acpitz
+driver supports ACPI Thermal Zones.
+Temperature information is available through this driver as a sensor
+which is updated every 10 seconds.
+.\" If the temperature exceeds the
+.\" .Sq critical
+.\" temperature threshold, the system will be shut down.
+.Pp
 If the configuration option
 .Dq Dv ACPIVERBOSE
 is set, information about all detected ACPI devices will be displayed
@@ -75,7 +111,7 @@ WARNING: this may cause an overheating on some machines since
 doesn't provide any thermal or cooling control.
 .Pp
 Some devices, such as
-.Nm acpibat ,
+.Nm acpiac ,
 provide hardware information via sensors
 that can be monitored using
 .Xr sysctl 8
@@ -89,10 +125,13 @@ or
 .Sh HISTORY
 The
 .Nm acpi ,
+.Nm acpiac ,
 .Nm acpibat ,
+.Nm acpiec ,
 .Nm acpihpet ,
+.Nm acpitimer ,
 and
-.Nm acpitimer
+.Nm acpitz
 drivers first appeared in
 .Ox 3.8 .
 .Sh AUTHORS
@@ -105,9 +144,16 @@ and
 drivers were written by
 .An Thorsten Lockert Aq tholo@sigmasoft.com .
 The
-.Nm acpibat
-driver was written by
+.Nm acpiac ,
+.Nm acpibat ,
+and
+.Nm acpitz
+drivers were written by
 .An Marco Peereboom Aq marco@openbsd.org .
+The
+.Nm acpiec
+driver was written by
+.An Can Erkin Acar Aq canacar@openbsd.org .
 .Sh BUGS
 Some systems do not propagate battery insertion up to the driver.
 .Pp