cs4231var.h revision 1.1 1 1.1 mrg /* $NetBSD: cs4231var.h,v 1.1 1999/06/05 14:29:10 mrg Exp $ */
2 1.1 mrg
3 1.1 mrg /*-
4 1.1 mrg * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
5 1.1 mrg * All rights reserved.
6 1.1 mrg *
7 1.1 mrg * This code is derived from software contributed to The NetBSD Foundation
8 1.1 mrg * by Paul Kranenburg.
9 1.1 mrg *
10 1.1 mrg * Redistribution and use in source and binary forms, with or without
11 1.1 mrg * modification, are permitted provided that the following conditions
12 1.1 mrg * are met:
13 1.1 mrg * 1. Redistributions of source code must retain the above copyright
14 1.1 mrg * notice, this list of conditions and the following disclaimer.
15 1.1 mrg * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 mrg * notice, this list of conditions and the following disclaimer in the
17 1.1 mrg * documentation and/or other materials provided with the distribution.
18 1.1 mrg * 3. All advertising materials mentioning features or use of this software
19 1.1 mrg * must display the following acknowledgement:
20 1.1 mrg * This product includes software developed by the NetBSD
21 1.1 mrg * Foundation, Inc. and its contributors.
22 1.1 mrg * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.1 mrg * contributors may be used to endorse or promote products derived
24 1.1 mrg * from this software without specific prior written permission.
25 1.1 mrg *
26 1.1 mrg * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.1 mrg * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.1 mrg * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.1 mrg * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.1 mrg * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.1 mrg * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.1 mrg * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.1 mrg * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.1 mrg * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.1 mrg * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.1 mrg * POSSIBILITY OF SUCH DAMAGE.
37 1.1 mrg */
38 1.1 mrg
39 1.1 mrg /*
40 1.1 mrg * Software state, per CS4231 audio chip.
41 1.1 mrg */
42 1.1 mrg struct cs4231_softc {
43 1.1 mrg struct ad1848_softc sc_ad1848; /* base device */
44 1.1 mrg /* XXX */
45 1.1 mrg struct sbusdev sc_sd; /* sbus device */
46 1.1 mrg bus_space_tag_t sc_bustag;
47 1.1 mrg bus_dma_tag_t sc_dmatag;
48 1.1 mrg struct evcnt sc_intrcnt; /* statistics */
49 1.1 mrg
50 1.1 mrg struct cs_dma *sc_dmas;
51 1.1 mrg struct cs_dma *sc_nowplaying; /*XXX*/
52 1.1 mrg u_long sc_playsegsz; /*XXX*/
53 1.1 mrg u_long sc_playcnt;
54 1.1 mrg u_long sc_blksz;
55 1.1 mrg
56 1.1 mrg int sc_open; /* single use device */
57 1.1 mrg int sc_locked; /* true when transfering data */
58 1.1 mrg struct apc_dma *sc_dmareg; /* DMA registers */
59 1.1 mrg
60 1.1 mrg /* interfacing with the interrupt handlers */
61 1.1 mrg void (*sc_rintr)(void*); /* input completion intr handler */
62 1.1 mrg void *sc_rarg; /* arg for sc_rintr() */
63 1.1 mrg void (*sc_pintr)(void*); /* output completion intr handler */
64 1.1 mrg void *sc_parg; /* arg for sc_pintr() */
65 1.1 mrg };
66 1.1 mrg
67 1.1 mrg void cs4231_init __P((struct cs4231_softc *));
68 1.1 mrg int cs4231_read __P((struct ad1848_softc *, int));
69 1.1 mrg void cs4231_write __P((struct ad1848_softc *, int, int));
70 1.1 mrg int cs4231_intr __P((void *));
71 1.1 mrg extern struct audio_hw_if audiocs_hw_if;
72