1 /* $OpenBSD: ics2101var.h,v 1.4 2002/03/14 01:26:56 millert Exp $ */
2 /* $NetBSD: ics2101var.h,v 1.5 1997/10/09 07:57:24 jtc Exp $ */
3
4 /*-
5 * Copyright (c) 1996 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Ken Hornstein and John Kohl.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 #define ICSMIX_LEFT 0 /* Value for left channel */
41 #define ICSMIX_RIGHT 1 /* Value for right channel */
42
43 struct ics2101_softc {
44 bus_space_tag_t sc_iot; /* tag */
45 bus_space_handle_t sc_selio_ioh;
46 bus_space_handle_t sc_dataio_ioh;
47 u_short sc_selio; /* select I/O address */
48 u_short sc_dataio; /* data I/O address */
49 int sc_flags; /* Various flags */
50 #define ICS_FLIP 0x01 /* flip channels */
51 u_char sc_setting[ICSMIX_CHAN_5+1][2]; /* current settings */
52 u_char sc_mute[ICSMIX_CHAN_5+1][2];/* muted? */
53 };
54
55 void ics2101_mix_attenuate(struct ics2101_softc *, u_int, u_int, u_int);
56 void ics2101_mix_mute(struct ics2101_softc *, u_int, u_int, u_int);