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/* $NetBSD: ncrreg.h,v 1.2 1995/08/25 07:30:40 phil Exp $ */
/*
* Copyright (c) 1994 Matthias Pfaller.
* All rights reserved.
*
* 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 Matthias Pfaller.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* $Id: ncrreg.h,v 1.1 1995/10/18 08:51:18 deraadt Exp $
*/
#ifndef _NCRREG_H
#define _NCRREG_H
#define PDMA_ADDRESS ((volatile u_char *) 0xffe00000)
#define NCR5380 ((volatile struct ncr5380 *) 0xffd00000)
struct ncr5380 {
volatile u_char regs[8]; /* use only the odd bytes */
};
#define ncr_data regs[0] /* Data register */
#define ncr_icom regs[1] /* Initiator command register */
#define ncr_mode regs[2] /* Mode register */
#define ncr_tcom regs[3] /* Target command register */
#define ncr_idstat regs[4] /* Bus status register */
#define ncr_dmstat regs[5] /* DMA status register */
#define ncr_trcv regs[6] /* Target receive register */
#define ncr_ircv regs[7] /* Initiator receive register */
#define GET_5380_REG(rnum) NCR5380->regs[rnum]
#define SET_5380_REG(rnum,val) (NCR5380->regs[rnum] = val)
#define scsi_ienable() intr_enable(IR_SCSI1)
#define scsi_idisable() intr_disable(IR_SCSI1)
#define scsi_clr_ipend() do { \
int i = GET_5380_REG(NCR5380_IRCV); \
} while (0)
#endif /* _NCRREG_H */
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