1 /* $NetBSD: ics2101var.h,v 1.9 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 #define ICSMIX_LEFT 0 /* Value for left channel */ 33 #define ICSMIX_RIGHT 1 /* Value for right channel */ 34 35 struct ics2101_softc { 36 bus_space_tag_t sc_iot; /* tag */ 37 bus_space_handle_t sc_selio_ioh; 38 bus_space_handle_t sc_dataio_ioh; 39 u_short sc_selio; /* select I/O address */ 40 u_short sc_dataio; /* data I/O address */ 41 int sc_flags; /* Various flags */ 42 #define ICS_FLIP 0x01 /* flip channels */ 43 u_char sc_setting[ICSMIX_CHAN_5+1][2]; /* current settings */ 44 u_char sc_mute[ICSMIX_CHAN_5+1][2];/* muted? */ 45 }; 46 47 void ics2101_mix_attenuate(struct ics2101_softc *, u_int, u_int, u_int); 48 void ics2101_mix_mute(struct ics2101_softc *, u_int, u_int, u_int); 49