NetBSD/sys/dev/isa/ics2101var.h

56 lines
2.6 KiB
C

/* $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));