/*      $OpenBSD: autrivar.h,v 1.4 2010/08/27 18:50:56 deraadt 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;

        /*
         * 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_ */