64 lines
2.7 KiB
C
64 lines
2.7 KiB
C
/* $NetBSD: ncrreg.h,v 1.3 1995/11/30 00:58:56 jtc Exp $ */
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/*
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* Copyright (c) 1994 Matthias Pfaller.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Matthias Pfaller.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: ncrreg.h,v 1.3 1995/11/30 00:58:56 jtc Exp $
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*/
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#ifndef _NCRREG_H
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#define _NCRREG_H
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#define PDMA_ADDRESS ((volatile u_char *) 0xffe00000)
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#define NCR5380 ((volatile struct ncr5380 *) 0xffd00000)
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#define MIN_PHYS 0x20000
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struct ncr5380 {
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volatile u_char regs[8]; /* use only the odd bytes */
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};
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#define ncr_data regs[0] /* Data register */
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#define ncr_icom regs[1] /* Initiator command register */
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#define ncr_mode regs[2] /* Mode register */
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#define ncr_tcom regs[3] /* Target command register */
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#define ncr_idstat regs[4] /* Bus status register */
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#define ncr_dmstat regs[5] /* DMA status register */
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#define ncr_trcv regs[6] /* Target receive register */
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#define ncr_ircv regs[7] /* Initiator receive register */
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#define GET_5380_REG(rnum) NCR5380->regs[rnum]
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#define SET_5380_REG(rnum,val) (NCR5380->regs[rnum] = val)
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#define scsi_ienable() intr_enable(IR_SCSI1)
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#define scsi_idisable() intr_disable(IR_SCSI1)
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#define scsi_clr_ipend() do { \
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int i = GET_5380_REG(NCR5380_IRCV); \
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} while (0)
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#endif /* _NCRREG_H */
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