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ics2101var.h revision 1.4 
      1 /* $NetBSD: ics2101var.h,v 1.4 1997/09/06 14:31:35 augustss 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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *	  Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
     30  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #define ICSMIX_LEFT		0		/* Value for left channel */
     40 #define ICSMIX_RIGHT		1		/* Value for right channel */
     41 
     42 struct ics2101_softc {
     43 	bus_space_tag_t sc_iot;		/* tag */
     44 	bus_space_handle_t sc_selio_ioh;
     45 	bus_space_handle_t sc_dataio_ioh;
     46 	u_short sc_selio;		/* select I/O address */
     47 	u_short sc_dataio;		/* data I/O address */
     48 	int sc_flags;			/* Various flags */
     49 #define ICS_FLIP	0x01		/* flip channels */
     50 	u_char sc_setting[ICSMIX_CHAN_5+1][2]; /* current settings */
     51 	u_char sc_mute[ICSMIX_CHAN_5+1][2];/* muted? */
     52 };
     53 
     54 void ics2101_mix_attenuate __P((struct ics2101_softc *, u_int, u_int, u_int));
     55 void ics2101_mix_mute __P((struct ics2101_softc *, u_int, u_int, u_int));
     56