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autrivar.h revision 1.5 
      1 /*	$NetBSD: autrivar.h,v 1.5 2011/11/23 23:07:34 jmcneill Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2001 SOMEYA Yoshihiko and KUROSAWA Takahiro.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #ifndef _DEV_PCI_AUTRIVAR_H_
     29 #define	_DEV_PCI_AUTRIVAR_H_
     30 
     31 /*
     32  * softc
     33  */
     34 struct autri_dma {
     35 	bus_dmamap_t		map;
     36 	void *			addr;		/* VA */
     37 	bus_dma_segment_t	segs[1];
     38 	int			nsegs;
     39 	size_t			size;
     40 	struct autri_dma	*next;
     41 };
     42 
     43 struct autri_codec_softc {
     44 	struct device		sc_dev;		/* base device */
     45 	struct autri_softc	*sc;
     46 	int			id;
     47 	int			status_data;
     48 	int			status_addr;
     49 	struct ac97_host_if	host_if;
     50 	struct ac97_codec_if	*codec_if;
     51 };
     52 
     53 struct autri_chstatus {
     54 	void		(*intr)(void *); /* rint/pint */
     55 	void		*intr_arg;	/* arg for intr */
     56 	u_int	 	offset;		/* filled up to here */
     57 	u_int	 	blksize;
     58 	u_int	 	factor;		/* byte per sample */
     59 	u_int		length;		/* ring buffer length */
     60 	struct autri_dma *dma;		/* DMA handle for ring buf */
     61 
     62 	int		ch;
     63 	int		ch_intr;
     64 #if 0
     65 	u_int		csoint;
     66 	u_int		count;
     67 #endif
     68 };
     69 
     70 struct autri_softc {
     71 	struct device		sc_dev;		/* base device */
     72 	kmutex_t		sc_lock;
     73 	kmutex_t		sc_intr_lock;
     74 	pci_chipset_tag_t	sc_pc;
     75 	pcitag_t		sc_pt;
     76 	pcireg_t		sc_devid;
     77 	void			*sc_ih;		/* interrupt vectoring */
     78 	bus_space_tag_t		memt;
     79 	bus_space_handle_t	memh;
     80 	bus_space_tag_t		iot;
     81 	bus_space_handle_t	ioh;
     82 	bus_dma_tag_t		sc_dmatag;	/* DMA tag */
     83 	u_int			sc_flags;
     84 
     85 	struct autri_codec_softc sc_codec;
     86 	struct autri_dma	*sc_dmas;	/* List of DMA handles */
     87 
     88 	u_int32_t		sc_class;
     89 	int			sc_revision;
     90 
     91 	/*
     92 	 * Play/record status
     93 	 */
     94 	struct autri_chstatus	sc_play, sc_rec;
     95 
     96 #if NMIDI > 0
     97 	void	(*sc_iintr)(void *, int);	/* midi input ready handler */
     98 	void	(*sc_ointr)(void *);		/* midi output ready handler */
     99 	void	*sc_arg;
    100 #endif
    101 
    102 };
    103 
    104 #endif /* _DEV_PCI_AUTRIVAR_H_ */
    105 
    106