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
32static volatile u_char	*scsi_enable = NULL;
33static volatile u_char	*scsi_flag   = NULL;
34
35static inline void
36scsi_clear_drq(void)
37{
38	int	s;
39
40	s = splhigh();
41	*scsi_flag = 0x80 | V2IF_SCSIDRQ;
42	splx(s);
43}
44
45static inline void
46scsi_clear_irq(void)
47{
48	int	s;
49
50	s = splhigh();
51	*scsi_flag = 0x80 | V2IF_SCSIIRQ;
52	splx(s);
53}
54
55static inline void
56scsi_ienable(void)
57{
58	int	s;
59
60	s = splhigh();
61	*scsi_enable = 0x80 | (V2IF_SCSIIRQ | V2IF_SCSIDRQ);
62	splx(s);
63}
64
65static inline void
66scsi_idisable(void)
67{
68	int	s;
69
70	s = splhigh();
71	*scsi_enable = V2IF_SCSIIRQ | V2IF_SCSIDRQ;
72	splx(s);
73}
74
75void	pdma_stat(void);
76void	pdma_cleanup(void);
77void	scsi_show(void);
78
79