sys/arch/macppc/dev/espvar.h

   1 /*      $NetBSD: espvar.h,v 1.3 2008/04/13 04:55:52 tsutsui Exp $       */
   2
   3 /*-
   4  * Copyright (c) 1997 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
   9  * NASA Ames Research Center.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30  * POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 struct esp_softc {
  34         struct ncr53c9x_softc sc_ncr53c9x;      /* glue to MI code */
  35
  36         struct intrhand sc_ih;                  /* intr handler */
  37
  38         volatile uint8_t *sc_reg;               /* the registers */
  39
  40         dbdma_regmap_t *sc_dmareg;              /* DMA registers */
  41         dbdma_command_t *sc_dmacmd;             /* command area for DMA */
  42
  43         /* openprom stuff */
  44         int sc_node;                            /* PROM node ID */
  45         int sc_pri;                             /* SBUS priority */
  46
  47         size_t  sc_dmasize;
  48         uint8_t **sc_dmaaddr;
  49         size_t  *sc_dmalen;
  50         int sc_dmaactive;
  51         int sc_dma_direction;
  52 };
  53
  54 #define D_WRITE 1