diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
commit | d6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch) | |
tree | ece253b876159b39c620e62b6c9b1174642e070e /sys/arch/pc532/dev/ncrreg.h |
initial import of NetBSD tree
Diffstat (limited to 'sys/arch/pc532/dev/ncrreg.h')
-rw-r--r-- | sys/arch/pc532/dev/ncrreg.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/sys/arch/pc532/dev/ncrreg.h b/sys/arch/pc532/dev/ncrreg.h new file mode 100644 index 00000000000..41c371ba231 --- /dev/null +++ b/sys/arch/pc532/dev/ncrreg.h @@ -0,0 +1,62 @@ +/* $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 */ |