1.\" $OpenBSD: bcmdmac.4,v 1.2 2020/04/22 11:35:03 jmc Exp $ 2.\" 3.\" Copyright (c) 2020 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: April 22 2020 $ 18.Dt BCMDMAC 4 19.Os 20.Sh NAME 21.Nm bcmdmac 22.Nd Broadcom BCM238x DMA controller 23.Sh SYNOPSIS 24.Cd "bcmdmac* at fdt?" 25.Sh DESCRIPTION 26The 27.Nm 28driver provides support for the DMA controller integrated on Broadcom 29BCM283x and BCM2711 SoCs. 30.Pp 31The controller is used to support DMA for devices that don't provide a 32DMA controller of their own. 33.Sh SEE ALSO 34.Xr bcmsdhost 4 , 35.Xr intro 4 36.Sh HISTORY 37.Ox 38support for 39.Nm 40first appeared in 41.Ox 6.7 . 42.Sh AUTHORS 43.An -nosplit 44The 45.Nm 46driver was written by 47.An Jared D. McNeill 48for 49.Nx 50and ported to 51.Ox 52by 53.An Neil Ashford Aq Mt ashfordneil0@gmail.com 54and 55.An Tobias Heider Aq Mt tobhe@openbsd.org . 56