1.\" $NetBSD: acpi.4,v 1.20 2006/03/11 11:57:18 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 9, 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 "spic* at acpi?" 58.Cd "vald* at acpi?" 59.Cd "wss* at acpi?" 60.Pp 61.Cd "options ACPI_DEBUG" 62.Cd "options ACPIVERBOSE" 63.Cd "options ACPI_ACTIVATE_DEV" 64.Cd "options ACPICA_PEDANTIC" 65.Cd "options ACPI_DSDT_OVERRIDE" 66.Sh DESCRIPTION 67.Nx 68provides machine-independent bus support for 69.Tn ACPI 70devices and includes several 71.Tn ACPI 72device drivers. 73.Pp 74The 75.Nx 76implementation of 77.Tn ACPI 78integrates Intel's ACPI Component Architecture 79(aka ACPI-CA) for the OS-independent part. 80The ACPI-CA provides 81OS-neutral ACPI functionalities such as ACPI BIOS table support, 82an ACPI event framework and an AML (ACPI Machine Language) interpreter. 83.Pp 84Options: 85.Bl -tag -width ACPI_DSDT_FILE__filename_XX -offset 3n 86.It Dv ACPI_DEBUG 87Enable ACPI debugging message outputs. 88.It Dv ACPI_ACTIVATE_DEV 89Determine if the ACPI driver should attempt to activate 90inactive devices. 91The default is off. 92.It Dv ACPICA_PEDANTIC 93Force strict conformance to the ACPI specification in the 94ACPI-CA. 95Do not enable this option unless you are debugging. 96.It Dv ACPI_DSDT_OVERRIDE 97Force a given DSDT instead of the BIOS-supplied version. 98Use 99.Dv ACPI_DSDT_FILE 100to specify a DSDT. 101.It Dv ACPI_DSDT_FILE="filename" 102If 103.Dv ACPI_DSDT_FILE 104is not specified, default to 105.Dq dsdt.hex 106in the build directory. 107.El 108.Sh SUPPORTED DEVICES 109.Nx 110.Tn ACPI 111supports several machine-dependent and machine-independent devices: 112.Ss machine-independent devices 113.Bl -tag -width pcdisplay -offset indent 114.It acpiacad 115.Tn ACPI 116AC adapters. 117.It acpibat 118.Tn ACPI 119Control Method Batteries. 120.It acpibut 121.Tn ACPI 122power and sleep buttons. 123.It acpiec 124.Tn ACPI 125Embedded Controllers. 126.It acpilid 127.Tn ACPI 128lid switches. 129.It acpitz 130.Tn ACPI 131thermal zones. 132.It attimer 133AT Timer. 134.It com 135NS8250-, NS16450-, and NS16550-based serial ports. 136.It fdc 137Floppy disk controllers. 138.It joy 139Joystick/Game port interface. 140.It lpt 141Standard ISA parallel port interface. 142.It mpu 143Roland MPU-401 (compatible) MIDI UART. 144.It pcppi 145AT-style speaker sound. 146.It wss 147Windows Sound System-compatible sound cards based on the AD1848 and compatible chips. 148.El 149.Ss i386-dependent devices 150.Bl -tag -width pcdisplay -offset indent 151.It npx 152i386 numeric processing extension coprocessor. 153.It pckbc 154PC keyboard controllers. 155.It spic 156Sony programmable I/O controller. 157.It vald 158Toshiba Libretto device. 159.El 160.Sh SEE ALSO 161.Xr acpiacad 4 , 162.Xr acpibat 4 , 163.Xr acpibut 4 , 164.Xr acpiec 4 , 165.Xr acpilid 4 , 166.Xr acpitz 4 , 167.Xr apm 4 , 168.Xr attimer 4 , 169.Xr com 4 , 170.Xr fdc 4 , 171.Xr joy 4 , 172.Xr lpt 4 , 173.Xr mpu 4 , 174.Xr npx 4 , 175.Xr pci 4 , 176.Xr pckbc 4 , 177.Xr pcppi 4 , 178.Xr spic 4 , 179.Xr vald 4 , 180.Xr wss 4 181.Rs 182.%T ACPI specification 183.%O http://www.acpi.info/ 184.Re 185.Rs 186.%T Intel ACPI CA (Component Architecture) 187.%O http://developer.intel.com/technology/iapc/acpi/ 188.Re 189.Sh HISTORY 190The 191.Nm 192driver 193appeared in 194.Nx 1.6 . 195.Sh BUGS 196Most of the 197.Tn ACPI 198power management functionalities are not implemented. 199