80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/* $NetBSD: wsbellmux.c,v 1.1 2017/06/11 03:55:56 nat Exp $ */
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/*-
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* Copyright (c) 2017 Nathanial Sloss <nathanialsloss@yahoo.com.au>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: wsbellmux.c,v 1.1 2017/06/11 03:55:56 nat Exp $");
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#include <sys/param.h>
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#include <sys/conf.h>
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#include <sys/types.h>
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#include <sys/device.h>
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#include <sys/errno.h>
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#include <sys/selinfo.h>
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#include "wsmux.h"
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wsbellvar.h>
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/*
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* Print function (for parent devices).
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*/
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int
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wsbelldevprint(void *aux, const char *pnp)
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{
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if (pnp)
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aprint_normal("wsbell at %s", pnp);
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return (UNCONF);
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}
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#if NWSMUX > 0
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int
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wsbell_add_mux(int unit, struct wsmux_softc *muxsc)
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{
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struct wsbell_softc *sc;
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device_t wsbelldev;
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cfdriver_t wsbellcd;
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wsbelldev = device_find_by_driver_unit("wsbell", unit);
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if (wsbelldev == NULL)
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return ENXIO;
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wsbellcd = device_cfdriver(wsbelldev);
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if (wsbellcd == NULL)
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return ENXIO;
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sc = device_lookup_private(wsbellcd, unit);
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if (sc == NULL)
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return ENXIO;
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if (sc->sc_base.me_parent != NULL || sc->sc_base.me_evp != NULL)
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return (EBUSY);
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return (wsmux_attach_sc(muxsc, &sc->sc_base));
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}
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#endif
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