72 lines
3.0 KiB
C
72 lines
3.0 KiB
C
/* $NetBSD: cs4231var.h,v 1.1 1999/06/05 14:29:10 mrg Exp $ */
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/*-
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* Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Paul Kranenburg.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Software state, per CS4231 audio chip.
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*/
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struct cs4231_softc {
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struct ad1848_softc sc_ad1848; /* base device */
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/* XXX */
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struct sbusdev sc_sd; /* sbus device */
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bus_space_tag_t sc_bustag;
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bus_dma_tag_t sc_dmatag;
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struct evcnt sc_intrcnt; /* statistics */
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struct cs_dma *sc_dmas;
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struct cs_dma *sc_nowplaying; /*XXX*/
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u_long sc_playsegsz; /*XXX*/
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u_long sc_playcnt;
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u_long sc_blksz;
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int sc_open; /* single use device */
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int sc_locked; /* true when transfering data */
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struct apc_dma *sc_dmareg; /* DMA registers */
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/* interfacing with the interrupt handlers */
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void (*sc_rintr)(void*); /* input completion intr handler */
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void *sc_rarg; /* arg for sc_rintr() */
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void (*sc_pintr)(void*); /* output completion intr handler */
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void *sc_parg; /* arg for sc_pintr() */
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};
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void cs4231_init __P((struct cs4231_softc *));
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int cs4231_read __P((struct ad1848_softc *, int));
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void cs4231_write __P((struct ad1848_softc *, int, int));
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int cs4231_intr __P((void *));
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extern struct audio_hw_if audiocs_hw_if;
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