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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