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+.\" $NetBSD: wsbell.9,v 1.4 2018/02/11 14:17:17 wiz Exp $
+.\"
+.\" Copyright (c) 2017 Nathanial Sloss <nathanialsloss@yahoo.com.au>
+.\" All rights reserved.
+.\"
+.\" 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``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 FOUNDATION OR CONTRIBUTORS
+.\" 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 June 30, 2017
+.Dt WSBELL 9
+.Os
+.Sh NAME
+.Nm wsbell ,
+.Nm wsbelldevprint
+.Nd wscons system bell support
+.Sh SYNOPSIS
+.In dev/wscons/wsconsio.h
+.In dev/wscons/wsbellvar.h
+.Ft int
+.Fn wsbelldevprint "void *aux" "const char *pnp"
+.Sh DESCRIPTION
+The
+.Nm
+module is a component of the
+.Xr wscons 9
+framework, providing keyboard-independent bell support.
+All of the support is provided by the
+.Xr wsbell 4
+device driver, which must be a child of the hardware device driver.
+The only hardware device drivers that can provide a
+.Nm
+facility are
+.Xr speaker 4
+devices.
+.Sh DATA TYPES
+Speaker drivers providing support for wscons bell devices will make use
+of the following data types:
+.Bl -tag -width compact
+.It Fa struct wsbelldev_attach_args
+A structure used to attach the
+.Xr wsbell 4
+child device.
+It has the following members:
+.Bd -literal
+	void *accesscookie;
+.Ed
+.El
+.Sh FUNCTIONS
+.Bl -tag -width compact
+.It Fn wsbelldevprint "aux" "pnp"
+The default wsbell printing routine used by
+.Fn config_found .
+(see
+.Xr autoconf 9 ) .
+.El
+.Sh AUTOCONFIGURATION
+Speaker drivers which want to use the wsbell module must be a
+parent to the
+.Xr wsbell 4
+device and provide an attachment interface.
+To attach the
+.Xr wsbell 4
+device, the speaker driver must allocate and populate a
+.Fa wsbelldev_attach_args
+structure with a pointer to the parent's device structure as an access cookie
+and call
+.Fn config_found
+to perform the attach (see
+.Xr autoconf 9 ) .
+.Sh OPERATION
+When a bell event is received on a
+.Xr wsdisplay 4
+device the system bell is sounded.
+.Sh CODE REFERENCES
+The wscons subsystem is implemented within the directory
+.Pa sys/dev/wscons .
+The
+.Nm
+module itself is implement within the file
+.Pa sys/dev/wscons/wsbell.c .
+.Xr ioctl 2
+operations are listed in
+.Pa sys/dev/wscons/wsconsio.h .
+.Sh SEE ALSO
+.Xr ioctl 2 ,
+.Xr wsbell 4 ,
+.Xr wscons 4 ,
+.Xr wskbd 4 ,
+.Xr autoconf 9 ,
+.Xr driver 9 ,
+.Xr intro 9 ,
+.Xr wscons 9 ,
+.Xr wsdisplay 9 ,
+.Xr wskbd 9