/*      $NetBSD: uba_common.h,v 1.6 2008/11/19 15:39:10 hans Exp $ */
/*-
* Copyright (c) 1982, 1986 The Regents of the University of California.
* All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* 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. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
*      @(#)ubareg.h    7.8 (Berkeley) 5/9/91
*/

/*
* VAX-specific parts of the Unibus softc.
*/
struct uba_regs;

struct  uba_vsoftc {
       struct  uba_softc uv_sc;/* Common vars from dev/qbus/ubavar.h */
       struct  vax_bus_dma_tag uv_dmat;
       struct  vax_sgmap uv_sgmap;
       int     uv_size;        /* Size of UBA addressable memory */
       paddr_t uv_addr;        /* Physical address of map registers */
       struct  uba_regs *uv_uba;/* Where applicable */
       int     uh_ibase;
       int     uh_zvtime;
       int     uh_zvtotal;
       int     uh_zvcnt;
};

/*
* Size of unibus memory address space in pages
* (also number of map registers).
*/
#define UBAPAGES        496
#define UBAIOADDR       0760000  /* start of I/O page */
#define UBAIOPAGES      16

/*
* DW780/DW750 hardware registers
*/
struct uba_regs {
       volatile int    uba_cnfgr;      /* configuration register */
       volatile int    uba_cr;         /* control register */
       volatile int    uba_sr;         /* status register */
       volatile int    uba_dcr;        /* diagnostic control register */
       volatile int    uba_fmer;       /* failed map entry register */
       volatile int    uba_fubar;      /* failed UNIBUS address register */
       int             pad1[2];
       volatile int    uba_brsvr[4];
       volatile int    uba_brrvr[4];   /* receive vector registers */
       volatile int    uba_dpr[16];    /* buffered data path register */
       int             pad2[480];
       struct pte      uba_map[UBAPAGES]; /* unibus map register */
       int             pad3[UBAIOPAGES]; /* no maps for device address space */
};

void    uba_dma_init(struct uba_vsoftc *);