4.3BSD-UWisc/include/vax/ioa.h

/*
 * @(#)ioa.h	7.1 (Berkeley) 6/5/86
 */
/*
 * RCS Info	
 *	$Header: ioa.h,v 3.1 86/10/22 13:52:41 tadl Exp $
 *	$Locker:  $
 */

/****************************************************************
 *                                                              *
 *        Licensed from Digital Equipment Corporation           *
 *                       Copyright (c)                          *
 *               Digital Equipment Corporation                  *
 *                   Maynard, Massachusetts                     *
 *                         1985, 1986                           *
 *                    All rights reserved.                      *
 *                                                              *
 *        The Information in this software is subject to change *
 *   without notice and should not be construed as a commitment *
 *   by  Digital  Equipment  Corporation.   Digital   makes  no *
 *   representations about the suitability of this software for *
 *   any purpose.  It is supplied "As Is" without expressed  or *
 *   implied  warranty.                                         *
 *                                                              *
 *        If the Regents of the University of California or its *
 *   licensees modify the software in a manner creating         *
 *   diriviative copyright rights, appropriate copyright        *
 *   legends may be placed on  the drivative work in addition   *
 *   to that set forth above.                                   *
 *								*
 ****************************************************************/

#define	MAXNIOA 4
#define	NIOA8600 2
#define IOASIZE 0x2000000
#define IOAMAPSIZ 512			/* Map one page to get at SBIA regs */
#define	IOA8600(i)	((caddr_t)(0x20080000+IOASIZE*i))

#ifndef LOCORE
struct	sbia_regs
{
	int sbi_cfg;
	int sbi_csr;
	int sbi_errsum;
	int sbi_dctl;
	int sbi_dmaica;
	int sbi_dmaiid;
	int sbi_dmaaca;
	int sbi_dmaaid;
	int sbi_dmabcs;
	int sbi_dmabid;
	int sbi_dmaccs;
	int sbi_dmacid;
	int sbi_silo;
	int sbi_error;
	int sbi_timo;
	int sbi_fltsts;
	int sbi_silcmp;
	int sbi_maint;
	int sbi_unjam;
	int sbi_qclr;
	int sbi_unused[12];
	int sbi_iv10;
	int sbi_iv11;
	int sbi_iv12;
	int sbi_iv13;
	int sbi_iv14;
	int sbi_iv15;
	int sbi_iv16;
	int sbi_iv17;
	int sbi_iv18;
	int sbi_iv19;
	int sbi_iv1a;
	int sbi_iv1b;
	int sbi_iv1c;
	int sbi_iv1d;
	int sbi_iv1e;
};
struct	ioa {
	union ioacsr {
		long	ioa_csr;
		u_char	ioa_type;
	} ioacsr;
	long	ioa_pad[IOAMAPSIZ / sizeof (long) - 1];
};
#ifdef	KERNEL
struct ioa ioa[MAXNIOA];
#endif  KERNEL
#endif	LOCORE

#define IOA_TYPMSK 0xf0
#define IOA_SBIA	0x10