1.\" $NetBSD: acpi.4,v 1.22 2006/03/26 14:27:54 wiz 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 March 25, 2006 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 "com* at acpi?" 50.Cd "fdc* at acpi?" 51.Cd "joy* at acpi?" 52.Cd "lpt* at acpi?" 53.Cd "mpu* at acpi?" 54.Cd "npx* at acpi?" 55.Cd "pckbc* at acpi?" 56.Cd "pcppi* at acpi?" 57.Cd "sony* at acpi?" 58.Cd "spic* at acpi?" 59.Cd "vald* at acpi?" 60.Cd "wss* at acpi?" 61.Pp 62.Cd "options ACPI_DEBUG" 63.Cd "options ACPIVERBOSE" 64.Cd "options ACPI_ACTIVATE_DEV" 65.Cd "options ACPICA_PEDANTIC" 66.Cd "options ACPI_DSDT_OVERRIDE" 67.Sh DESCRIPTION 68.Nx 69provides machine-independent bus support for 70.Tn ACPI 71devices and includes several 72.Tn ACPI 73device drivers. 74.Pp 75The 76.Nx 77implementation of 78.Tn ACPI 79integrates Intel's ACPI Component Architecture 80(aka ACPI-CA) for the OS-independent part. 81The ACPI-CA provides 82OS-neutral ACPI functionalities such as ACPI BIOS table support, 83an ACPI event framework and an AML (ACPI Machine Language) interpreter. 84.Pp 85Options: 86.Bl -tag -width ACPI_DSDT_FILE__filename_XX -offset 3n 87.It Dv ACPI_DEBUG 88Enable ACPI debugging message outputs. 89.It Dv ACPI_ACTIVATE_DEV 90Determine if the ACPI driver should attempt to activate 91inactive devices. 92The default is off. 93.It Dv ACPICA_PEDANTIC 94Force strict conformance to the ACPI specification in the 95ACPI-CA. 96Do not enable this option unless you are debugging. 97.It Dv ACPI_DSDT_OVERRIDE 98Force a given DSDT instead of the BIOS-supplied version. 99Use 100.Dv ACPI_DSDT_FILE 101to specify a DSDT. 102.It Dv ACPI_DSDT_FILE="filename" 103If 104.Dv ACPI_DSDT_FILE 105is not specified, default to 106.Dq dsdt.hex 107in the build directory. 108.El 109.Sh SUPPORTED DEVICES 110.Nx 111.Tn ACPI 112supports several machine-dependent and machine-independent devices: 113.Ss machine-independent devices 114.Bl -tag -width pcdisplay -offset indent 115.It acpiacad 116.Tn ACPI 117AC adapters. 118.It acpibat 119.Tn ACPI 120Control Method Batteries. 121.It acpibut 122.Tn ACPI 123power and sleep buttons. 124.It acpiec 125.Tn ACPI 126Embedded Controllers. 127.It acpilid 128.Tn ACPI 129lid switches. 130.It acpitz 131.Tn ACPI 132thermal zones. 133.It attimer 134AT Timer. 135.It com 136NS8250-, NS16450-, and NS16550-based serial ports. 137.It fdc 138Floppy disk controllers. 139.It joy 140Joystick/Game port interface. 141.It lpt 142Standard ISA parallel port interface. 143.It mpu 144Roland MPU-401 (compatible) MIDI UART. 145.It pcppi 146AT-style speaker sound. 147.It wss 148Windows Sound System-compatible sound cards based on the AD1848 and compatible chips. 149.El 150.Ss i386-dependent devices 151.Bl -tag -width pcdisplay -offset indent 152.It npx 153i386 numeric processing extension coprocessor. 154.It pckbc 155PC keyboard controllers. 156.It sony 157Sony Miscellaneous Controller 158.It spic 159Sony programmable I/O controller. 160.It vald 161Toshiba Libretto device. 162.El 163.Sh SEE ALSO 164.Xr acpiacad 4 , 165.Xr acpibat 4 , 166.Xr acpibut 4 , 167.Xr acpiec 4 , 168.Xr acpilid 4 , 169.Xr acpitz 4 , 170.Xr apm 4 , 171.Xr attimer 4 , 172.Xr com 4 , 173.Xr fdc 4 , 174.Xr joy 4 , 175.Xr lpt 4 , 176.Xr mpu 4 , 177.Xr npx 4 , 178.Xr pci 4 , 179.Xr pckbc 4 , 180.Xr pcppi 4 , 181.Xr sony 4 , 182.Xr spic 4 , 183.Xr vald 4 , 184.Xr wss 4 185.Rs 186.%T ACPI specification 187.%O http://www.acpi.info/ 188.Re 189.Rs 190.%T Intel ACPI CA (Component Architecture) 191.%O http://developer.intel.com/technology/iapc/acpi/ 192.Re 193.Sh HISTORY 194The 195.Nm 196driver 197appeared in 198.Nx 1.6 . 199.Sh BUGS 200Most of the 201.Tn ACPI 202power management functionalities are not implemented. 203