feat: Added FreeBSD man pages

1 files changed, 78 insertions, 0 deletions

diff --git a/static/freebsd/man9/backlight.9 b/static/freebsd/man9/backlight.9
new file mode 100644
index 00000000..c4c338ce
--- /dev/null
+++ b/static/freebsd/man9/backlight.9
@@ -0,0 +1,78 @@
+.\" Copyright (c) 2020 Emmanuel Vadot <manu@freebsd.org>
+.\"
+.\" 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.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``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 THE DEVELOPERS 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 October 2, 2020
+.Dt BACKLIGHT 9
+.Os
+.Sh NAME
+.Nm backlight ,
+.Nm backlight_register ,
+.Nm backlight_destroy ,
+.Nm BACKLIGHT_GET_STATUS ,
+.Nm BACKLIGHT_SET_STATUS
+.Nd BACKLIGHT methods
+.Sh SYNOPSIS
+.Cd "device backlight"
+.In "backlight_if.h"
+.In "sys/sys/backlight.h"
+.Ft int
+.Fn BACKLIGHT_GET_STATUS "device_t bus" "struct backlight_props *props"
+.Ft int
+.Fn BACKLIGHT_SET_STATUS "device_t bus" "struct backlight_props *props"
+.Ft struct cdev *
+.Fn backlight_register "const char *name" "device_t dev"
+.Ft int
+.Fn backlight_destroy "struct cdev *cdev"
+.Sh DESCRIPTION
+The backlight driver provides a generic way for handling a panel backlight.
+.Pp
+Drivers for backlight system register themselves globally using the
+.Fn backlight_register
+function.
+They must define two methods,
+.Fn BACKLIGHT_GET_STATUS
+which is used to query the current brightness level and
+.Fn BACKLIGHT_SET_STATUS
+which is used to update it.
+.Sh INTERFACE
+.Bl -tag -width indent
+.It Fn BACKLIGHT_GET_STATUS "device_t bus" "struct backlight_props *props"
+Driver fills the current brightless level and the optional supported levels.
+.It Fn BACKLIGHT_SET_STATUS "device_t bus" "struct backlight_props *props"
+Driver update the backlight level based on the brightness member of the props
+struct.
+.El
+.Sh FILES
+.Bl -tag -width "/dev/backlight/*"
+.It Pa /dev/backlight/*
+.El
+.Sh SEE ALSO
+.Xr backlight 8
+.Sh HISTORY
+The
+.Nm backlight
+interface first appear in
+.Fx 13.0 .
+The
+.Nm backlight
+driver and manual page was written by
+.An Emmanuel Vadot Aq Mt manu@FreeBSD.org .