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Annotation of sys/arch/mac68k/dev/ncr5380var.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: ncr5380var.h,v 1.2 2002/03/14 01:26:35 millert Exp $  */
                      2: /*     $NetBSD: ncr5380var.h,v 1.2 1996/05/25 16:42:31 briggs Exp $    */
                      3:
                      4: /*
                      5:  * Copyright (c) 1995 Allen Briggs.  All rights reserved.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  * 3. All advertising materials mentioning features or use of this software
                     16:  *    must display the following acknowledgement:
                     17:  *     This product includes software developed by Allen Briggs.
                     18:  * 4. The name of the author may not be used to endorse or promote products
                     19:  *    derived from this software without specific prior written permission.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     22:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     23:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     24:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     25:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     26:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     27:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     28:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     29:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     30:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     31:  */
                     32:
                     33: static volatile u_char *scsi_enable = NULL;
                     34: static volatile u_char *scsi_flag   = NULL;
                     35:
                     36: static __inline__ void
                     37: scsi_clear_drq(void)
                     38: {
                     39:        int     s;
                     40:
                     41:        s = splhigh();
                     42:        *scsi_flag = 0x80 | V2IF_SCSIDRQ;
                     43:        splx(s);
                     44: }
                     45:
                     46: static __inline__ void
                     47: scsi_clear_irq(void)
                     48: {
                     49:        int     s;
                     50:
                     51:        s = splhigh();
                     52:        *scsi_flag = 0x80 | V2IF_SCSIIRQ;
                     53:        splx(s);
                     54: }
                     55:
                     56: static __inline__ void
                     57: scsi_ienable(void)
                     58: {
                     59:        int     s;
                     60:
                     61:        s = splhigh();
                     62:        *scsi_enable = 0x80 | (V2IF_SCSIIRQ | V2IF_SCSIDRQ);
                     63:        splx(s);
                     64: }
                     65:
                     66: static __inline__ void
                     67: scsi_idisable(void)
                     68: {
                     69:        int     s;
                     70:
                     71:        s = splhigh();
                     72:        *scsi_enable = V2IF_SCSIIRQ | V2IF_SCSIDRQ;
                     73:        splx(s);
                     74: }
                     75:
                     76: void   pdma_stat(void);
                     77: void   pdma_cleanup(void);
                     78: void   scsi_show(void);
                     79: