xref: /netbsd/sys/arch/hp300/dev/nhpibreg.h (revision 95e1ffb1)
1 /*	$NetBSD: nhpibreg.h,v 1.7 2005/12/11 12:17:14 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 1982, 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  *	@(#)nhpibreg.h	8.1 (Berkeley) 6/10/93
32  */
33 
34 #include <hp300/dev/iotypes.h>	/* XXX */
35 
36 struct	nhpibdevice {
37 	u_char	hpib_pad0;
38 	vu_char	hpib_cid;
39 	u_char	hpib_pad1;
40 #define	hpib_ie		hpib_ids
41 	vu_char	hpib_ids;
42 	u_char	hpib_pad2;
43 	vu_char	hpib_csa;
44 	u_char	hpib_pad3[11];
45 #define	hpib_mim	hpib_mis
46 	vu_char	hpib_mis;
47 	u_char	hpib_pad4;
48 #define	hpib_lim	hpib_lis
49 	vu_char	hpib_lis;
50 	u_char	hpib_pad5;
51 	vu_char	hpib_is;
52 	u_char	hpib_pad6;
53 #define	hpib_acr	hpib_cls
54 	vu_char	hpib_cls;
55 	u_char	hpib_pad7;
56 	vu_char	hpib_ar;
57 	u_char	hpib_pad8;
58 	vu_char	hpib_sprb;
59 	u_char	hpib_pad9;
60 #define	hpib_ppr	hpib_cpt
61 	vu_char	hpib_cpt;
62 	u_char	hpib_pad10;
63 	vu_char	hpib_data;
64 };
65 
66 /*
67  * Bits in hpib_lis (and hpib_lim).
68  */
69 #define	LIS_IFC		0x01
70 #define	LIS_SRQ		0x02
71 #define	LIS_MA		0x04
72 #define	LIS_DCAS	0x08
73 #define	LIS_APT		0x10
74 #define	LIS_UCG		0x20
75 #define	LIS_ERR		0x40
76 #define	LIS_GET		0x80
77 
78 #define	MIS_END		0x08
79 #define	MIS_BO		0x10
80 #define	MIS_BI		0x20
81 
82 #define	IS_TADS		0x02
83 #define	IS_LADS		0x04
84 
85 /*
86  * ti9914 "Auxiliary Commands" - Some are Set/Clear, others pulse.
87  */
88 #define	AUX_CSWRST	0x00	/* End software reset */
89 #define	AUX_RHDF	0x02	/* release RFD (ready for data) holdoff */
90 #define	AUX_CHDFA	0x03	/* Clear holdoff on all data */
91 #define	AUX_CHDFE	0x04	/* Clear holdoff on EOI data only */
92 #define	AUX_EOI		0x08	/* Pulse EOI (with data) */
93 #define	AUX_CLON	0x09	/* Clear listen only */
94 #define	AUX_CTON	0x0a	/* Clear talk only */
95 #define	AUX_GTS		0x0b	/* Go to standby (clears ATN line) */
96 #define	AUX_TCA		0x0c	/* Take control (async) */
97 #define	AUX_TCS		0x0d	/* Take control (sync) */
98 #define	AUX_CPP		0x0e	/* Clear parallel poll */
99 #define	AUX_CSIC	0x0f	/* Clear IFC (interface clear) line */
100 #define	AUX_CSRE	0x10	/* Clear REN (remote enable) line */
101 #define	AUX_CDAI	0x13	/* Clear interrupt disable */
102 #define	AUX_CSTD1	0x15	/* Clear 1200ns T1 delay */
103 #define	AUX_CSHDW	0x16	/* Clear shadow handshake */
104 #define	AUX_CVSTD1	0x17	/* Clear 600ns T1 delay */
105 
106 #define	AUX_SSWRST	0x80	/* Start software reset */
107 #define	AUX_SHDFA	0x83	/* Set holdoff on all data */
108 #define	AUX_SHDFE	0x84	/* Set holdoff on EOI data only */
109 #define	AUX_SLON	0x89	/* Set listen only */
110 #define	AUX_STON	0x8a	/* Set talk only */
111 #define	AUX_SPP		0x8e	/* Set parallel poll */
112 #define	AUX_SSIC	0x8f	/* Set IFC line */
113 #define	AUX_SSRE	0x90	/* Set REN line */
114 #define	AUX_SDAI	0x93	/* Disable all interrupts */
115 #define	AUX_SSTD1	0x95	/* Set T1 delay to 1200ns */
116 #define	AUX_SSHDW	0x96	/* Set shadow handshake */
117 #define	AUX_SVSTD1	0x97	/* Set T1 delay to 600ns */
118