1.\" $OpenBSD: aplmca.4,v 1.3 2022/08/06 10:51:30 jsg Exp $ 2.\" 3.\" Copyright (c) 2022 Mark Kettenis <kettenis@openbsd.org> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: August 6 2022 $ 18.Dt APLMCA 4 arm64 19.Os 20.Sh NAME 21.Nm aplmca 22.Nd Apple MCA controller 23.Sh SYNOPSIS 24.Cd "aplmca* at fdt?" 25.Sh DESCRIPTION 26.Nm 27is a driver for the MCA controller integrated on 28various Apple SoCs. 29This controller serializes audio data streams received from the 30.Xr apldma 4 31DMA controller and sends these out as I2S/TDM streams on the audio 32interfaces of the SoCs. 33.Sh SEE ALSO 34.Xr aplaudio 4 , 35.Xr apldma 4 , 36.Xr aplnco 4 , 37.Xr intro 4 38.Sh HISTORY 39The 40.Nm 41driver first appeared in 42.Ox 7.2 . 43.Sh AUTHORS 44The 45.Nm 46driver was written by 47.An Mark Kettenis Aq Mt kettenis@openbsd.org . 48