FreeBSD/Linux Kernel Cross Reference
sys/dev/isa/ics2101var.h

     /* $NetBSD: ics2101var.h,v 1.5 1997/10/09 07:57:24 jtc Exp $ */
     
     /*-
      * Copyright (c) 1996 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Ken Hornstein and John Kohl.
      *
     * 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. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *        This product includes software developed by the NetBSD 
     *        Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its 
     *    contributors may be used to endorse or promote products derived 
     *    from this software without specific prior written permission.
     *
     * 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.
     */
    
    #define ICSMIX_LEFT             0               /* Value for left channel */
    #define ICSMIX_RIGHT            1               /* Value for right channel */
    
    struct ics2101_softc {
            bus_space_tag_t sc_iot;         /* tag */
            bus_space_handle_t sc_selio_ioh;
            bus_space_handle_t sc_dataio_ioh;
            u_short sc_selio;               /* select I/O address */
            u_short sc_dataio;              /* data I/O address */
            int sc_flags;                   /* Various flags */
    #define ICS_FLIP        0x01            /* flip channels */
            u_char sc_setting[ICSMIX_CHAN_5+1][2]; /* current settings */
            u_char sc_mute[ICSMIX_CHAN_5+1][2];/* muted? */
    };
    
    void ics2101_mix_attenuate __P((struct ics2101_softc *, u_int, u_int, u_int));
    void ics2101_mix_mute __P((struct ics2101_softc *, u_int, u_int, u_int));

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