sys/arch/mac68k/dev/ncr5380var.h

   1 /*      $NetBSD: ncr5380var.h,v 1.4 2005/12/11 12:18:02 christos Exp $  */
   2
   3 /*
   4  * Copyright (c) 1995 Allen Briggs.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the following acknowledgement:
  16  *      This product includes software developed by Allen Briggs.
  17  * 4. The name of the author may not be used to endorse or promote products
  18  *    derived from this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 static volatile u_char  *scsi_enable = NULL;
  33 static volatile u_char  *scsi_flag   = NULL;
  34
  35 static inline void
  36 scsi_clear_drq(void)
  37 {
  38         int     s;
  39
  40         s = splhigh();
  41         *scsi_flag = 0x80 | V2IF_SCSIDRQ;
  42         splx(s);
  43 }
  44
  45 static inline void
  46 scsi_clear_irq(void)
  47 {
  48         int     s;
  49
  50         s = splhigh();
  51         *scsi_flag = 0x80 | V2IF_SCSIIRQ;
  52         splx(s);
  53 }
  54
  55 static inline void
  56 scsi_ienable(void)
  57 {
  58         int     s;
  59
  60         s = splhigh();
  61         *scsi_enable = 0x80 | (V2IF_SCSIIRQ | V2IF_SCSIDRQ);
  62         splx(s);
  63 }
  64
  65 static inline void
  66 scsi_idisable(void)
  67 {
  68         int     s;
  69
  70         s = splhigh();
  71         *scsi_enable = V2IF_SCSIIRQ | V2IF_SCSIDRQ;
  72         splx(s);
  73 }
  74
  75 void    pdma_stat(void);
  76 void    pdma_cleanup(void);
  77 void    scsi_show(void);
  78