FreeBSD/Linux Kernel Cross Reference
sys/dev/pci/ydsvar.h

     /*      $NetBSD: ydsvar.h,v 1.2 2001/12/25 16:55:50 someya Exp $        */
     
     /*
      * Copyright (c) 2000, 2001 Kazuki Sakamoto and Minoura Makoto.
      * 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_YDSVAR_H_
    #define _DEV_PCI_YDSVAR_H_
    
    #define N_PLAY_SLOTS            2               /* We use only 2 (R and L) */
    #define N_PLAY_SLOT_CTRL        2
    #define WORK_SIZE               0x0400
    
    /*
     * softc
     */
    struct yds_dma {
            bus_dmamap_t map;
            caddr_t addr;                   /* VA */
            bus_dma_segment_t segs[1];
            int nsegs;
            size_t size;
            struct yds_dma *next;
    };
    
    struct yds_codec_softc {
            struct device sc_dev;           /* base device */
            struct yds_softc *sc;
            int id;
            int status_data;
            int status_addr;
            struct ac97_host_if host_if;
            struct ac97_codec_if *codec_if;
    };
    
    struct yds_softc {
            struct device           sc_dev;         /* base device */
            pci_chipset_tag_t       sc_pc;
            pcitag_t                sc_pcitag;
            pcireg_t                sc_id;
            int                     sc_revision;
            void                    *sc_ih;         /* interrupt vectoring */
            bus_space_tag_t         memt;
            bus_space_handle_t      memh;
            bus_dma_tag_t           sc_dmatag;      /* DMA tag */
            u_int                   sc_flags;
    
            struct yds_codec_softc  sc_codec[2];    /* Primary/Secondary AC97 */
    
            struct yds_dma          *sc_dmas;       /* List of DMA handles */
    
            /*
             * Play/record status
             */
            struct {
                    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 yds_dma  *dma;           /* DMA handle for ring buf */
            } sc_play, sc_rec;
    
            /*
             * DSP control data
             *
             * Work space, play control data table, play slot control data,
             * rec slot control data and effect slot control data are
             * stored in a single memory segment in this order.
             */
            struct yds_dma                  sc_ctrldata;
            /* KVA and offset in buffer of play ctrl data tbl */
            u_int32_t                       *ptbl;
            off_t                           ptbloff;
            /* KVA and offset in buffer of rec slot ctrl data */
            struct rec_slot_ctrl_bank       *rbank;
            off_t                           rbankoff;
           /* Array of KVA pointers and offset of play slot control data */
           struct play_slot_ctrl_bank      *pbankp[N_PLAY_SLOT_CTRL_BANK
                                                  *N_PLAY_SLOTS];
           off_t                           pbankoff;
   
           /*
            * Legacy support
            */
           bus_space_tag_t         sc_legacy_iot;
           bus_space_handle_t      sc_opl_ioh;
           struct device           *sc_mpu;
           bus_space_handle_t      sc_mpu_ioh;
   };
   #define sc_opl_iot      sc_legacy_iot
   #define sc_mpu_iot      sc_legacy_iot
   
   #endif /* _DEV_PCI_YDSVAR_H_ */

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