aplmca(4)

aplmca4

Apple mca controller

Usage

aplmca* at fdt?

Overview

aplmca is a driver for the MCA controller integrated on various Apple SoCs. This controller serializes audio data streams received from the apldma(4) DMA controller and sends these out as I2S/TDM streams on the audio interfaces of the SoCs.

History

The aplmca driver first appeared in OpenBSD 7.2.

Authors

The aplmca driver was written by Mark Kettenis ⟨[email protected]⟩.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.