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authorJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 15:32:58 -0400
committerJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 15:32:58 -0400
commit5cb84ec742fd33f78c8022863fadaa8d0d93e176 (patch)
tree1a81ca3665e6153923e40db7b0d988f8573ab59c /static/netbsd/man4/ddc.4
parenta59214f344567c037d5776879bcfc5fcc1d4d5f6 (diff)
feat: Added NetBSD man pages
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+.\" $NetBSD: ddc.4,v 1.4 2014/01/04 15:40:25 wiz Exp $
+.\"
+.\" Copyright (c) 2006 Itronix Inc.
+.\" All rights reserved.
+.\"
+.\" Written by Garrett D'Amore for Itronix Inc.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. The name of Itronix Inc. may not be used to endorse
+.\" or promote products derived from this software without specific
+.\" prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND ANY EXPRESS
+.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC.
+.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+.\" POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd May 11, 2006
+.Dt DDC 4
+.Os
+.Sh NAME
+.Nm ddc
+.Nd VESA Display Data Channel V2 devices
+.Sh SYNOPSIS
+.Cd "ddc at iic? addr 0x50"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for accessing the VESA Display Data Channel Version 2
+supported by many video displays.
+.Sh SEE ALSO
+.Xr iic 4 ,
+.Xr ddc 9 ,
+.Xr edid 9
+.Sh HISTORY
+The
+.Nm
+device appeared in
+.Nx 4.0 .
+.Sh AUTHORS
+.An Garrett D'Amore Aq Mt gdamore@NetBSD.org
+.Sh BUGS
+This driver does not provide any mechanism for access from user applications.
+Its only use at this point is to provide a means for framebuffer device
+drivers to query monitor description data (EDID) using a specialized
+in-kernel API.
+No support for sending control commands to display devices is provided.