text: /*	$OpenBSD: autrivar.h,v 1.3 2003/03/09 01:52:14 tedu Exp $	*/
  
  /*
   * Copyright (c) 2001 SOMEYA Yoshihiko and KUROSAWA Takahiro.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef _DEV_PCI_AUTRIVAR_H_
  #define	_DEV_PCI_AUTRIVAR_H_
  
  /*
   * softc
   */
  struct autri_dma {
  	bus_dmamap_t		map;
  	caddr_t			addr;		/* VA */
  	bus_dma_segment_t	segs[1];
  	int			nsegs;
  	size_t			size;
  	struct autri_dma	*next;
  };
  
  struct autri_codec_softc {
  	struct device		sc_dev;		/* base device */
  	struct autri_softc	*sc;
  	int			id;
  	int			status_data;
  	int			status_addr;
  	struct ac97_host_if	host_if;
  	struct ac97_codec_if	*codec_if;
  	int			flags;
  };
  
  struct autri_chstatus {
  	void		(*intr)(void *); /* rint/pint */
  	void		*intr_arg;	/* arg for intr */
  	u_int		offset;		/* filled up to here */
  	u_int		blksize;
  	u_int		factor;		/* byte per sample */
  	u_int		length;		/* ring buffer length */
  	struct autri_dma *dma;		/* DMA handle for ring buf */
  
  	int		ch;
  	int		ch_intr;
  #if 0
  	u_int		csoint;
  	u_int		count;
  #endif
  };
  
  struct autri_softc {
  	struct device		sc_dev;		/* base device */
  	pci_chipset_tag_t	sc_pc;
  	pcitag_t		sc_pt;
  	pcireg_t		sc_devid;
  	void			*sc_ih;		/* interrupt vectoring */
  	bus_space_tag_t		memt;
  	bus_space_handle_t	memh;
  	bus_space_tag_t		iot;
  	bus_space_handle_t	ioh;
  	bus_dma_tag_t		sc_dmatag;	/* DMA tag */
  	u_int			sc_flags;
  
  	struct autri_codec_softc sc_codec;
  	struct autri_dma	*sc_dmas;	/* List of DMA handles */
  
  	u_int32_t		sc_class;
  	int			sc_revision;
  
  	int			sc_old_power;
  
  	/*
  	 * Play/record status
  	 */
  	struct autri_chstatus	sc_play, sc_rec;
  
  #if NMIDI > 0
  	void	(*sc_iintr)(void *, int);	/* midi input ready handler */
  	void	(*sc_ointr)(void *);		/* midi output ready handler */
  	void	*sc_arg;
  #endif
  
  };
  
  #endif /* _DEV_PCI_AUTRIVAR_H_ */
  
  