1.\" $NetBSD: acpi.4,v 1.18 2005/12/06 17:23:21 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 December 4, 2005 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.Sh DESCRIPTION 66.Nx 67provides machine-independent bus support for 68.Tn ACPI 69devices and includes several 70.Tn ACPI 71device drivers. 72.Pp 73The 74.Nx 75implementation of 76.Tn ACPI 77integrates Intel's ACPI Component Architecture 78(aka ACPI-CA) for the OS-independent part. 79The ACPI-CA provides 80OS-neutral ACPI functionalities such as ACPI BIOS table support, 81an ACPI event framework and an AML (ACPI Machine Language) interpreter. 82.Pp 83Options: 84.Bl -tag -width ACPI_ACTIVATE_DEV -offset 3n 85.It Nm ACPI_DEBUG 86Enable ACPI debugging message outputs. 87.It Nm ACPI_ACTIVATE_DEV 88Determine if the ACPI driver should attempt to activate 89inactive devices. 90The default is off. 91.It Nm ACPICA_PEDANTIC 92Force strict conformance to the ACPI specification in the 93ACPI-CA. 94Do not enable this option unless you are debugging. 95.El 96.Sh SUPPORTED DEVICES 97.Nx 98.Tn ACPI 99supports several machine-dependent and machine-independent devices: 100.Ss machine-independent devices 101.Bl -tag -width pcdisplay -offset indent 102.It acpiacad 103.Tn ACPI 104AC adapters. 105.It acpibat 106.Tn ACPI 107Control Method Batteries. 108.It acpibut 109.Tn ACPI 110power and sleep buttons. 111.It acpiec 112.Tn ACPI 113Embedded Controllers. 114.It acpilid 115.Tn ACPI 116lid switches. 117.It acpitz 118.Tn ACPI 119thermal zones. 120.It attimer 121AT Timer. 122.It com 123NS8250-, NS16450-, and NS16550-based serial ports. 124.It fdc 125Floppy disk controllers. 126.It joy 127Joystick/Game port interface. 128.It lpt 129Standard ISA parallel port interface. 130.It mpu 131Roland MPU-401 (compatible) MIDI UART. 132.It pcppi 133AT-style speaker sound. 134.It wss 135Windows Sound System-compatible sound cards based on the AD1848 and compatible chips. 136.El 137.Ss i386-dependent devices 138.Bl -tag -width pcdisplay -offset indent 139.It npx 140i386 numeric processing extension coprocessor. 141.It pckbc 142PC keyboard controllers. 143.It spic 144Sony programmable I/O controller. 145.It vald 146Toshiba Libretto device. 147.El 148.Sh SEE ALSO 149.Xr acpiacad 4 , 150.Xr acpibat 4 , 151.Xr acpibut 4 , 152.Xr acpiec 4 , 153.Xr acpilid 4 , 154.Xr acpitz 4 , 155.Xr apm 4 , 156.Xr attimer 4 , 157.Xr com 4 , 158.Xr fdc 4 , 159.Xr joy 4 , 160.Xr lpt 4 , 161.Xr mpu 4 , 162.Xr npx 4 , 163.Xr pci 4 , 164.Xr pckbc 4 , 165.Xr pcppi 4 , 166.Xr spic 4 , 167.Xr vald 4 , 168.Xr wss 4 169.Rs 170.%T ACPI specification 171.%O http://www.acpi.info/ 172.Re 173.Rs 174.%T Intel ACPI CA (Component Architecture) 175.%O http://developer.intel.com/technology/iapc/acpi/ 176.Re 177.Sh HISTORY 178The 179.Nm 180driver 181appeared in 182.Nx 1.6 . 183.Sh BUGS 184Most of the 185.Tn ACPI 186power management functionalities are not implemented. 187