1 /* $NetBSD: ncr5380var.h,v 1.5 2005/12/24 23:24:00 perry 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
scsi_clear_drq(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
scsi_clear_irq(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
scsi_ienable(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
scsi_idisable(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
79