APECS(4) - Device Drivers Manual (alpha) # APECS(4) - Device Drivers Manual (alpha)
NAME # apecs - DECchip 21072/21071 Core Logic chipset
SYNOPSIS # apecs* at mainbus? pci* at apecs?
DESCRIPTION # The apecs driver provides support for the DECchip 21072/21071 Core Logic chipset (PCI controller) found on the AlphaStation 200/250/255/400 systems, EB64+-family systems, AlphaServer 800/1000A systems and AlphaServer 1000 systems.
SEE ALSO # intro(4), pci(4)
OpenBSD 7.5 - June 26, 2008
APIO(4) - Device Drivers Manual (sparc64) # APIO(4) - Device Drivers Manual (sparc64)
NAME # apio - SBus Aurora pio1 driver
SYNOPSIS # apio* at sbus? lpt* at apio?
DESCRIPTION # The apio driver provides support for the Aurora Technologies pio1 parallel port interface, which is basically an lpt(4) port with sbus(4) glue logic.
SEE ALSO # intro(4), lpt(4), sbus(4)
HISTORY # OpenBSD support for apio was added in OpenBSD 3.
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APLAUDIO(4) - Device Drivers Manual (arm64) # APLAUDIO(4) - Device Drivers Manual (arm64)
NAME # aplaudio - Apple audio subsystem
SYNOPSIS # aplaudio* at fdt? audio* at aplaudio?
DESCRIPTION # aplaudio is a driver for the audio subsystem on Apple Silicon Macs. It represents the logical connection of the DMA controller, the MCA controller and various codecs.
SEE ALSO # apldma(4), aplmca(4), audio(4), intro(4), simpleaudio(4), tascodec(4)
HISTORY # The aplaudio driver first appeared in OpenBSD 7.
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APLCPU(4) - Device Drivers Manual (arm64) # APLCPU(4) - Device Drivers Manual (arm64)
NAME # aplcpu - Apple CPU power states
SYNOPSIS # aplcpu* at fdt?
DESCRIPTION # The aplcpu driver provides support for managing the CPU power states on Apple SoCs. These power states can be set to reduce power usage and extend battery life through the hw.setperf sysctl(2) mechanism.
SEE ALSO # sysctl(2), intro(4), apmd(8), sysctl(8)
HISTORY # The aplcpu driver first appeared in OpenBSD 7.
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APLDART(4) - Device Drivers Manual (arm64) # APLDART(4) - Device Drivers Manual (arm64)
NAME # apldart - Apple DART IOMMU
SYNOPSIS # apldart* at fdt?
DESCRIPTION # The apldart driver provides support for the DART IOMMU found on various Apple SoCs.
SEE ALSO # intro(4)
HISTORY # The apldart driver first appeared in OpenBSD 6.9.
AUTHORS # The apldart driver was written by Mark Kettenis <kettenis@openbsd.org>.
OpenBSD 7.5 - February 27, 2021
APLDCP(4) - Device Drivers Manual (arm64) # APLDCP(4) - Device Drivers Manual (arm64)
NAME # apldcp - Apple display coprocessor
SYNOPSIS # apldcp* at fdt?
DESCRIPTION # The apldcp driver controls the display coprocessor integrated on Apple SoCs.
SEE ALSO # [apldrm(4)](/man/man4/apldrm.4), drm(4), intro(4)
HISTORY # The apldcp device driver first appeared in OpenBSD 7.5.
AUTHORS # The apldcp driver was written by Alyssa Rosenzweig, Janne Grunau, Martin Povišer and Sven Peter for Linux and ported to OpenBSD by Mark Kettenis <kettenis@openbsd.
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APLDMA(4) - Device Drivers Manual (arm64) # APLDMA(4) - Device Drivers Manual (arm64)
NAME # apldma - Apple DMA controller
SYNOPSIS # apldma* at fdt?
DESCRIPTION # The apldma driver provides support for the DMA controller integrated on various Apple SoCs.
The controller is used to support DMA for the audio interfaces integrated on the SoC.
SEE ALSO # aplmca(4), intro(4)
HISTORY # OpenBSD support for apldma first appeared in OpenBSD 7.
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APLDOG(4) - Device Drivers Manual (arm64) # APLDOG(4) - Device Drivers Manual (arm64)
NAME # apldog - Apple watchdog timer
SYNOPSIS # apldog* at fdt?
DESCRIPTION # The apldog driver provides support for the watchdog timer found on various Apple SoCs.
SEE ALSO # intro(4)
HISTORY # The apldog driver first appeared in OpenBSD 6.9.
AUTHORS # The apldog driver was written by Mark Kettenis <kettenis@openbsd.org>.
OpenBSD 7.5 - February 22, 2021
APLDRM(4) - Device Drivers Manual (arm64) # APLDRM(4) - Device Drivers Manual (arm64)
NAME # apldrm - Apple DRM subsystem
SYNOPSIS # apldrm* at fdt? drm* at apldrm? wsdisplay* at apldrm?
DESCRIPTION # The apldrm driver provides kernel mode setting (KMS) functionality for the graphics hardware integrated on Apple SoCs.
SEE ALSO # apldcp(4), drm(4), intro(4)
HISTORY # The apldrm device driver first appeared in OpenBSD 7.5.
AUTHORS # The apldrm driver was written by Alyssa Rosenzweig and Janne Grunau for Linux and ported to OpenBSD by Mark Kettenis <kettenis@openbsd.
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APLEFUSE(4) - Device Drivers Manual (arm64) # APLEFUSE(4) - Device Drivers Manual (arm64)
NAME # aplefuse - Apple eFuses
SYNOPSIS # aplefuse* at fdt?
DESCRIPTION # The aplefuse driver provides support for reading the on-chip eFuses integrated on various Apple SoCs.
SEE ALSO # intro(4)
HISTORY # The aplefuse device driver first appeared in OpenBSD 7.3.
AUTHORS # The aplefuse driver was written by Mark Kettenis <kettenis@openbsd.org>.
OpenBSD 7.5 - December 17, 2022