sys/arch/mac68k/obio/espvar.h

   1 /*      $NetBSD: espvar.h,v 1.6 2000/12/29 17:23:32 briggs Exp $        */
   2
   3 /*
   4  * Copyright (c) 1997 Allen Briggs.
   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  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by Peter Galbavy.
  18  * 4. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 struct esp_softc {
  34         struct ncr53c9x_softc   sc_ncr53c9x;    /* glue to MI code */
  35         bus_space_tag_t         sc_tag;
  36         bus_space_handle_t      sc_bsh;
  37
  38         volatile uint8_t *sc_reg;               /* the registers */
  39
  40         uint8_t         irq_mask;               /* mask for clearing IRQ */
  41
  42         int             sc_active;              /* Pseudo-DMA state vars */
  43         int             sc_datain;
  44         size_t          sc_dmasize;
  45         uint8_t         **sc_dmaaddr;
  46         size_t          *sc_dmalen;
  47         int             sc_tc;                  /* only used in non-quick */
  48         int             sc_pad;                 /* only used in quick */
  49 };