1.\" $NetBSD: acpi.4,v 1.27 2007/05/08 16:52:24 xtraeme 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.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the NetBSD 17.\" Foundation, Inc. and its contributors. 18.\" 4. Neither the name of The NetBSD Foundation nor the names of its 19.\" contributors may be used to endorse or promote products derived 20.\" from this software without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32.\" POSSIBILITY OF SUCH DAMAGE. 33.\" 34.Dd May 8, 2007 35.Dt ACPI 4 36.Os 37.Sh NAME 38.Nm acpi 39.Nd Advanced Configuration and Power Interface 40.Sh SYNOPSIS 41.Cd "acpi0 at mainbus0" 42.Cd "acpiacad* at acpi?" 43.Cd "acpibat* at acpi?" 44.Cd "acpibut* at acpi?" 45.Cd "acpiec* at acpi?" 46.Cd "acpilid* at acpi?" 47.Cd "acpitz* at acpi?" 48.Cd "attimer* at acpi?" 49.Cd "aiboost* at acpi?" 50.Cd "com* at acpi?" 51.Cd "fdc* at acpi?" 52.Cd "hpet* at acpi?" 53.Cd "joy* at acpi?" 54.Cd "lpt* at acpi?" 55.Cd "mpu* at acpi?" 56.Cd "npx* at acpi?" 57.Cd "pckbc* at acpi?" 58.Cd "pcppi* at acpi?" 59.Cd "sony* at acpi?" 60.Cd "spic* at acpi?" 61.Cd "ug* at acpi?" 62.Cd "vald* at acpi?" 63.Cd "wss* at acpi?" 64.Cd "ym* at acpi?" 65.Pp 66.Cd "options ACPI_DEBUG" 67.Cd "options ACPIVERBOSE" 68.Cd "options ACPI_ACTIVATE_DEV" 69.Cd "options ACPICA_PEDANTIC" 70.Cd "options ACPI_DSDT_OVERRIDE" 71.Sh DESCRIPTION 72.Nx 73provides machine-independent bus support for 74.Tn ACPI 75devices and includes several 76.Tn ACPI 77device drivers. 78.Pp 79The 80.Nx 81implementation of 82.Tn ACPI 83integrates Intel's ACPI Component Architecture 84(aka ACPI-CA) for the OS-independent part. 85The ACPI-CA provides 86OS-neutral ACPI functionalities such as ACPI BIOS table support, 87an ACPI event framework and an AML (ACPI Machine Language) interpreter. 88.Pp 89Options: 90.Bl -tag -width ACPI_DSDT_FILE__filename_XX -offset 3n 91.It Dv ACPI_DEBUG 92Enable ACPI debugging message outputs. 93.It Dv ACPI_ACTIVATE_DEV 94Determine if the ACPI driver should attempt to activate 95inactive devices. 96The default is off. 97.It Dv ACPICA_PEDANTIC 98Force strict conformance to the ACPI specification in the 99ACPI-CA. 100Do not enable this option unless you are debugging. 101.It Dv ACPI_DSDT_OVERRIDE 102Force a given DSDT instead of the BIOS-supplied version. 103Use 104.Dv ACPI_DSDT_FILE 105to specify a DSDT. 106.It Dv ACPI_DSDT_FILE="filename" 107If 108.Dv ACPI_DSDT_FILE 109is not specified, default to 110.Dq dsdt.hex 111in the build directory. 112.El 113.Sh SUPPORTED DEVICES 114.Nx 115.Tn ACPI 116supports several machine-dependent and machine-independent devices: 117.Ss machine-independent devices 118.Bl -tag -width pcdisplay -offset indent 119.It acpiacad 120.Tn ACPI 121AC adapters. 122.It acpibat 123.Tn ACPI 124Control Method Batteries. 125.It acpibut 126.Tn ACPI 127power and sleep buttons. 128.It acpiec 129.Tn ACPI 130Embedded Controllers. 131.It acpilid 132.Tn ACPI 133lid switches. 134.It acpitz 135.Tn ACPI 136thermal zones. 137.It attimer 138AT Timer. 139.It aiboost 140ASUS AI Booster Hardware monitor. 141.It com 142NS8250-, NS16450-, and NS16550-based serial ports. 143.It fdc 144Floppy disk controllers. 145.It hpet 146High Precision Event Timer. 147.It joy 148Joystick/Game port interface. 149.It lpt 150Standard ISA parallel port interface. 151.It mpu 152Roland MPU-401 (compatible) MIDI UART. 153.It pcppi 154AT-style speaker sound. 155.It ug 156Abit uGuru Hardware monitor. 157.It wss 158Windows Sound System-compatible sound cards based on the AD1848 and compatible chips. 159.It ym 160Yamaha OPL3-SA2 and OPL3-SA3 audio device driver. 161.El 162.Ss i386-dependent devices 163.Bl -tag -width pcdisplay -offset indent 164.It npx 165i386 numeric processing extension coprocessor. 166.It pckbc 167PC keyboard controllers. 168.It sony 169Sony Miscellaneous Controller 170.It spic 171Sony programmable I/O controller. 172.It vald 173Toshiba Libretto device. 174.El 175.Sh SEE ALSO 176.Xr acpiacad 4 , 177.Xr acpibat 4 , 178.Xr acpibut 4 , 179.Xr acpiec 4 , 180.Xr acpilid 4 , 181.Xr acpitz 4 , 182.Xr aiboost 4 , 183.Xr apm 4 , 184.Xr attimer 4 , 185.Xr com 4 , 186.Xr fdc 4 , 187.Xr joy 4 , 188.Xr lpt 4 , 189.Xr mpu 4 , 190.Xr npx 4 , 191.Xr pci 4 , 192.Xr pckbc 4 , 193.Xr pcppi 4 , 194.Xr sony 4 , 195.Xr spic 4 , 196.Xr ug 4 , 197.Xr vald 4 , 198.Xr wss 4 , 199.Xr ym 4 , 200.Xr acpidump 8 , 201.Xr amldb 8 202.Rs 203.%T ACPI specification 204.%O http://www.acpi.info/ 205.Re 206.Rs 207.%T Intel ACPI CA (Component Architecture) 208.%O http://developer.intel.com/technology/iapc/acpi/ 209.Re 210.Sh HISTORY 211The 212.Nm 213driver 214appeared in 215.Nx 1.6 . 216.Sh BUGS 217Most of the 218.Tn ACPI 219power management functionalities are not implemented. 220