xref: /netbsd-src/sys/arch/hp300/dev/com_dioreg.h (revision 95e1ffb15694e54f29f8baaa4232152b703c2a5a)
1 /*	$NetBSD: com_dioreg.h,v 1.3 2005/12/11 12:17:13 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 1982, 1986, 1990, 1993
5  *	The Regents of the University of California.  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. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *	@(#)dcareg.h	8.1 (Berkeley) 6/10/93
32  */
33 
34 #ifndef _HP300_DEV_COM_DIOREG_H_
35 #define	_HP300_DEV_COM_DIOREG_H_
36 
37 /* interface reset/id */
38 #define DCA_ID		0x00			/* read */
39 #define  DCAID0		0x02
40 #define  DCAREMID0	0x82
41 #define  DCAID1		0x42
42 #define  DCAREMID1	0xC2
43 
44 #define DCA_RESET	0x00			/* write */
45 
46 /* interrupt control */
47 #define DCA_IC		0x01
48 #define  DCAIPL(x)	((((x) >> 4) & 3) + 3)
49 #define  IC_IR		0x40
50 #define  IC_IE		0x80
51 
52 #define DCA_OCBRC	0x02
53 
54 #define DCA_LCSM	0x03
55 
56 #define DCA_SIZE	0x20	/* XXX */
57 #define DCA_COM_OFFSET	0x10	/* XXX */
58 
59 /* clock frequency */
60 #define COM_DIO_FREQ	2457600
61 
62 #endif /* _HP300_DEV_COM_DIOREG_H_ */
63