root/sys/arch/mac68k/obio/espvar.h
/*      $NetBSD: espvar.h,v 1.10 2022/08/15 12:16:25 rin Exp $  */

/*
 * Copyright (c) 1997 Allen Briggs.
 * 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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Peter Galbavy.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * 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.
 */

struct esp_softc {
        struct ncr53c9x_softc   sc_ncr53c9x;    /* glue to MI code */

        volatile uint8_t        *sc_reg;        /* the registers */
        volatile uint32_t       *sc_dreqreg;    /* DREQ register for DAFB */

        int             sc_active;              /* Pseudo-DMA state vars */
        int             sc_datain;
        size_t          sc_dmasize;
        uint8_t         **sc_dmaaddr;
        size_t          *sc_dmalen;
        int             sc_tc;                  /* used in PIO */
        int             sc_pad;                 /* only used in quick */

        /* for avdma */
        int             sc_rset;
        int             sc_ibuf_used;
        uint8_t         *sc_obuf;
        uint8_t         *sc_ibuf;
        bus_dma_tag_t   sc_dmat;
        bus_dmamap_t    sc_dmap;
};