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/* $OpenBSD: uba_common.h,v 1.2 2002/03/14 01:26:48 millert Exp $ */
/* $NetBSD: uba_common.h,v 1.2 1999/06/21 16:23:01 ragge 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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 arch/vax/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 {
int uba_cnfgr; /* configuration register */
int uba_cr; /* control register */
int uba_sr; /* status register */
int uba_dcr; /* diagnostic control register */
int uba_fmer; /* failed map entry register */
int uba_fubar; /* failed UNIBUS address register */
int pad1[2];
int uba_brsvr[4];
int uba_brrvr[4]; /* receive vector registers */
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 *);
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