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Add ufshci(4) to pci(4).  While there, add ahci(4) to acpi(4).

Suggested and ok jmc@

.\"	$OpenBSD: acpi.4,v 1.74 2024/04/09 20:18:37 mglocker Exp $
.\"
.\" Copyright (c) 2006 Alexander Yurchenko <grange@openbsd.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: April 9 2024 $
.Dt ACPI 4
.Os
.Sh NAME
.Nm acpi
.Nd Advanced Configuration and Power Interface
.Sh SYNOPSIS
.Cd "acpi0 at bios?"
.Sh DESCRIPTION
The
.Nm
driver provides basic support for ACPI including loading ACPI tables from
the firmware, parsing and interpreting AML code, event handling,
suspending and powering off, and attaching device drivers.
Userland may access
.Nm
by using the
.Xr apm 4
device.
.Pp
The following devices can attach to
.Nm :
.Pp
.Bl -tag -width "acpithinkpad(4)XXX" -offset indent -compact
.It Xr abl 4
Apple backlight support
.It Xr acpiac 4
ACPI AC adapter
.It Xr acpials 4
ACPI ambient light sensor
.It Xr acpiasus 4
ASUS ACPI hotkeys
.It Xr acpibat 4
ACPI control method battery
.It Xr acpibtn 4
ACPI button
.It Xr acpicbkbd 4
Chromebook keyboard backlight
.It Xr acpicpu 4
ACPI processor power and performance state
.It Xr acpidock 4
ACPI docking station
.It Xr acpiec 4
ACPI embedded controller
.It Xr acpige 4
ACPI generic event device
.It Xr acpihid 4
ACPI HID event and 5-button array
.It Xr acpihpet 4
ACPI high precision event timer
.It Xr acpihve 4
Hyper-V entropy
.It Xr acpimadt 4
ACPI APIC configuration
.It Xr acpimcfg 4
ACPI PCI Express configuration space
.It Xr acpipci 4
ACPI PCI host bridge
.It Xr acpiprt 4
ACPI PCI routing table configuration
.It Xr acpipwrres 4
ACPI power resources
.It Xr acpisbs 4
ACPI Smart Battery subsystem
.It Xr acpisony 4
Sony ACPI control
.It Xr acpisurface 4
Microsoft Surface Book ACPI support
.It Xr acpithinkpad 4
IBM/Lenovo ThinkPad ACPI support
.It Xr acpitimer 4
ACPI power management timer
.It Xr acpitoshiba 4
Toshiba ACPI support
.It Xr acpitz 4
ACPI thermal zone
.It Xr acpivideo 4
ACPI video
.It Xr acpivout 4
ACPI video output
.It Xr ahci 4
Advanced Host Controller Interface for Serial ATA
.It Xr aibs 4
ASUSTeK AI Booster ACPI ATK0110 temperature, voltage, and fan sensor
.It Xr amdgpio 4
AMD GPIO controller
.It Xr ampchwm 4
Ampere Altra fine-grained power telemetry
.It Xr aplgpio 4
Intel Apollo Lake GPIO controller
.It Xr asmc 4
Apple System Management Controller (SMC)
.It Xr bse 4
Broadcom GENET 10/100/1Gb Ethernet device
.It Xr bytgpio 4
Intel Bay Trail GPIO controller
.It Xr ccp 4
AMD cryptographic co-processor
.It Xr chvgpio 4
Intel Cherry View GPIO controller
.It Xr dwgpio 4
Synopsys DesignWare GPIO controller
.It Xr dwiic 4
Synopsys DesignWare I2C controller
.It Xr glkgpio 4
Intel Gemini Lake GPIO controller
.It Xr imxiic 4
i.MX onboard I2C controller
.It Xr iosf 4
Intel OnChip System Fabric device
.It Xr ipmi 4
Intelligent Platform Management Interface driver
.It Xr pchgpio 4
Intel PCH GPIO controller
.It Xr pluart 4
ARM PrimeCell PL011 UART
.It Xr qcgpio 4
Qualcomm Snapdragon GPIO controller
.It Xr qciic 4
Qualcomm Snapdragon GENI I2C controller
.It Xr sdhc 4
SD Host Controller
.It Xr tpm 4
Trusted Platform Module device
.It Xr ufshci 4
Universal Flash Storage Host Controller Interface
.El
.Sh FILES
.Bl -tag -width "/dev/apmctlXXX"
.It /dev/apm
Power management data device.
May only be opened read-only.
May be opened by multiple concurrent users.
.It /dev/apmctl
Power management control device.
May be opened read-write or write-only.
May only be opened by one user at a time.
An attempt to open the file when in use will fail, returning
.Er EBUSY .
.El
.Sh SEE ALSO
.Xr apm 4 ,
.Xr intro 4
.Sh HISTORY
The
.Nm
driver first appeared in
.Ox 3.8 .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An Thorsten Lockert Aq Mt tholo@sigmasoft.com
and
.An Jordan Hargrave Aq Mt jordan@openbsd.org .