1 /* $NetBSD: cs4231var.h,v 1.1 1999/06/05 14:29:10 mrg Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Paul Kranenburg. 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 FOUNDATION OR CONTRIBUTORS 30 * BE 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 /* 40 * Software state, per CS4231 audio chip. 41 */ 42 struct cs4231_softc { 43 struct ad1848_softc sc_ad1848; /* base device */ 44 /* XXX */ 45 struct sbusdev sc_sd; /* sbus device */ 46 bus_space_tag_t sc_bustag; 47 bus_dma_tag_t sc_dmatag; 48 struct evcnt sc_intrcnt; /* statistics */ 49 50 struct cs_dma *sc_dmas; 51 struct cs_dma *sc_nowplaying; /*XXX*/ 52 u_long sc_playsegsz; /*XXX*/ 53 u_long sc_playcnt; 54 u_long sc_blksz; 55 56 int sc_open; /* single use device */ 57 int sc_locked; /* true when transfering data */ 58 struct apc_dma *sc_dmareg; /* DMA registers */ 59 60 /* interfacing with the interrupt handlers */ 61 void (*sc_rintr)(void*); /* input completion intr handler */ 62 void *sc_rarg; /* arg for sc_rintr() */ 63 void (*sc_pintr)(void*); /* output completion intr handler */ 64 void *sc_parg; /* arg for sc_pintr() */ 65 }; 66 67 void cs4231_init __P((struct cs4231_softc *)); 68 int cs4231_read __P((struct ad1848_softc *, int)); 69 void cs4231_write __P((struct ad1848_softc *, int, int)); 70 int cs4231_intr __P((void *)); 71 extern struct audio_hw_if audiocs_hw_if; 72