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      1 /*	$NetBSD: espvar.h,v 1.4 2008/04/28 20:23:27 martin 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
     55