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      1 /* $NetBSD: cs4231var.h,v 1.7 2008/04/28 20:23:52 martin Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1996 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Ken Hornstein and John Kohl.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Software gunk for CS4231, as used in Gravis UltraSound MAX.
     34  */
     35 
     36 struct cs4231_softc {
     37     int in_port;			/* which MUX input port? */
     38 #define CS4231_MUX_MIXED_IN	0
     39 #define CS4231_MUX_MIC_IN	1
     40 #define CS4231_MUX_AUX1_IN	2
     41 #define CS4231_MUX_LINE_IN	3
     42 };
     43 
     44 int	cs4231_set_linein_gain(struct ad1848_softc *, struct ad1848_volume *);
     45 int	cs4231_get_linein_gain(struct ad1848_softc *, struct ad1848_volume *);
     46 int	cs4231_set_mono_gain(struct ad1848_softc *, struct ad1848_volume *);
     47 int	cs4231_get_mono_gain(struct ad1848_softc *, struct ad1848_volume *);
     48 void	cs4231_mute_mono(struct ad1848_softc *, int /* onoff */);
     49 void	cs4231_mute_line(struct ad1848_softc *, int /* onoff */);
     50 void	cs4231_mute_monitor(struct ad1848_softc *, int /* onoff */);
     51