root/sys/dev/wscons/wsbellvar.h
/* $NetBSD: wsbellvar.h,v 1.3 2017/06/13 00:54:37 nat 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.
 */

#include "locators.h"
#include <dev/wscons/wseventvar.h>
#include <dev/wscons/wsmuxvar.h>

#define wsbelldevcf_mux cf_loc[WSBELLDEVCF_MUX]

struct vbell_args {
        u_int pitch;
        u_int period;
        u_int volume;
};

struct wsbell_softc {
        struct wsevsrc  sc_base;
        dev_t           sc_spkr;        /* our spkr device */
        struct wskbd_bell_data sc_bell_data;

        void            *sc_accesscookie;

        int             sc_refcnt;
        bool            sc_dying;       /* device is being detached */

        lwp_t           *sc_bellthread;
        kmutex_t        sc_bellock;
        kcondvar_t      sc_bellcv;

        struct vbell_args sc_bell_args;
};

/*
 * Autoconfiguration helper functions.
 */
int     wsbelldevprint(void *, const char *);