1.\" $NetBSD: acpi.4,v 1.28 2008/04/30 13:10:53 martin Exp $ 2.\" 3.\" Copyright (c) 2002, 2004 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25.\" POSSIBILITY OF SUCH DAMAGE. 26.\" 27.Dd May 8, 2007 28.Dt ACPI 4 29.Os 30.Sh NAME 31.Nm acpi 32.Nd Advanced Configuration and Power Interface 33.Sh SYNOPSIS 34.Cd "acpi0 at mainbus0" 35.Cd "acpiacad* at acpi?" 36.Cd "acpibat* at acpi?" 37.Cd "acpibut* at acpi?" 38.Cd "acpiec* at acpi?" 39.Cd "acpilid* at acpi?" 40.Cd "acpitz* at acpi?" 41.Cd "attimer* at acpi?" 42.Cd "aiboost* at acpi?" 43.Cd "com* at acpi?" 44.Cd "fdc* at acpi?" 45.Cd "hpet* at acpi?" 46.Cd "joy* at acpi?" 47.Cd "lpt* at acpi?" 48.Cd "mpu* at acpi?" 49.Cd "npx* at acpi?" 50.Cd "pckbc* at acpi?" 51.Cd "pcppi* at acpi?" 52.Cd "sony* at acpi?" 53.Cd "spic* at acpi?" 54.Cd "ug* at acpi?" 55.Cd "vald* at acpi?" 56.Cd "wss* at acpi?" 57.Cd "ym* at acpi?" 58.Pp 59.Cd "options ACPI_DEBUG" 60.Cd "options ACPIVERBOSE" 61.Cd "options ACPI_ACTIVATE_DEV" 62.Cd "options ACPICA_PEDANTIC" 63.Cd "options ACPI_DSDT_OVERRIDE" 64.Sh DESCRIPTION 65.Nx 66provides machine-independent bus support for 67.Tn ACPI 68devices and includes several 69.Tn ACPI 70device drivers. 71.Pp 72The 73.Nx 74implementation of 75.Tn ACPI 76integrates Intel's ACPI Component Architecture 77(aka ACPI-CA) for the OS-independent part. 78The ACPI-CA provides 79OS-neutral ACPI functionalities such as ACPI BIOS table support, 80an ACPI event framework and an AML (ACPI Machine Language) interpreter. 81.Pp 82Options: 83.Bl -tag -width ACPI_DSDT_FILE__filename_XX -offset 3n 84.It Dv ACPI_DEBUG 85Enable ACPI debugging message outputs. 86.It Dv ACPI_ACTIVATE_DEV 87Determine if the ACPI driver should attempt to activate 88inactive devices. 89The default is off. 90.It Dv ACPICA_PEDANTIC 91Force strict conformance to the ACPI specification in the 92ACPI-CA. 93Do not enable this option unless you are debugging. 94.It Dv ACPI_DSDT_OVERRIDE 95Force a given DSDT instead of the BIOS-supplied version. 96Use 97.Dv ACPI_DSDT_FILE 98to specify a DSDT. 99.It Dv ACPI_DSDT_FILE="filename" 100If 101.Dv ACPI_DSDT_FILE 102is not specified, default to 103.Dq dsdt.hex 104in the build directory. 105.El 106.Sh SUPPORTED DEVICES 107.Nx 108.Tn ACPI 109supports several machine-dependent and machine-independent devices: 110.Ss machine-independent devices 111.Bl -tag -width pcdisplay -offset indent 112.It acpiacad 113.Tn ACPI 114AC adapters. 115.It acpibat 116.Tn ACPI 117Control Method Batteries. 118.It acpibut 119.Tn ACPI 120power and sleep buttons. 121.It acpiec 122.Tn ACPI 123Embedded Controllers. 124.It acpilid 125.Tn ACPI 126lid switches. 127.It acpitz 128.Tn ACPI 129thermal zones. 130.It attimer 131AT Timer. 132.It aiboost 133ASUS AI Booster Hardware monitor. 134.It com 135NS8250-, NS16450-, and NS16550-based serial ports. 136.It fdc 137Floppy disk controllers. 138.It hpet 139High Precision Event Timer. 140.It joy 141Joystick/Game port interface. 142.It lpt 143Standard ISA parallel port interface. 144.It mpu 145Roland MPU-401 (compatible) MIDI UART. 146.It pcppi 147AT-style speaker sound. 148.It ug 149Abit uGuru Hardware monitor. 150.It wss 151Windows Sound System-compatible sound cards based on the AD1848 and compatible chips. 152.It ym 153Yamaha OPL3-SA2 and OPL3-SA3 audio device driver. 154.El 155.Ss i386-dependent devices 156.Bl -tag -width pcdisplay -offset indent 157.It npx 158i386 numeric processing extension coprocessor. 159.It pckbc 160PC keyboard controllers. 161.It sony 162Sony Miscellaneous Controller 163.It spic 164Sony programmable I/O controller. 165.It vald 166Toshiba Libretto device. 167.El 168.Sh SEE ALSO 169.Xr acpiacad 4 , 170.Xr acpibat 4 , 171.Xr acpibut 4 , 172.Xr acpiec 4 , 173.Xr acpilid 4 , 174.Xr acpitz 4 , 175.Xr aiboost 4 , 176.Xr apm 4 , 177.Xr attimer 4 , 178.Xr com 4 , 179.Xr fdc 4 , 180.Xr joy 4 , 181.Xr lpt 4 , 182.Xr mpu 4 , 183.Xr npx 4 , 184.Xr pci 4 , 185.Xr pckbc 4 , 186.Xr pcppi 4 , 187.Xr sony 4 , 188.Xr spic 4 , 189.Xr ug 4 , 190.Xr vald 4 , 191.Xr wss 4 , 192.Xr ym 4 , 193.Xr acpidump 8 , 194.Xr amldb 8 195.Rs 196.%T ACPI specification 197.%O http://www.acpi.info/ 198.Re 199.Rs 200.%T Intel ACPI CA (Component Architecture) 201.%O http://developer.intel.com/technology/iapc/acpi/ 202.Re 203.Sh HISTORY 204The 205.Nm 206driver 207appeared in 208.Nx 1.6 . 209.Sh BUGS 210Most of the 211.Tn ACPI 212power management functionalities are not implemented. 213