1/*	$NetBSD: mbareg.h,v 1.4 2000/06/04 18:04:39 ragge Exp $ */
2/*
3 * Copyright (c) 1994 Ludd, University of Lule}, Sweden
4 * 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 at Ludd, University of Lule}.
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#ifdef notdef
33struct mba_hack {
34	u_int	pad1;
35	u_int	md_ds;		/* unit status */
36	u_int	pad4[2];
37	u_int	md_as;		/* Attention summary */
38	u_int	pad2;
39	u_int	md_dt;		/* unit type */
40	u_int	pad3[25];
41};
42
43struct mba_regs {
44	u_int	mba_csr;
45	u_int	mba_cr;
46	u_int	mba_sr;
47	u_int	mba_var;
48	u_int	mba_bc;
49	u_int	mba_dr;
50	u_int	mba_smr;
51	u_int	mba_car;
52	u_int	utrymme[248];
53	struct	mba_hack mba_md[8];	/* unit specific regs */
54	struct	pte mba_map[256];
55};
56#endif
57
58#define	MBA_CSR	0
59#define	MBA_CR	4
60#define	MBA_SR	8
61#define	MBA_VAR	12
62#define	MBA_BC	16
63#define	MBA_DR	20
64#define	MBA_SMR	24
65#define	MBA_CAR	28
66
67#define	MUREG(dev,reg)	(1024+(dev)*128+(reg))
68#define MAPREG(nr)	(2048+(nr)*4)
69
70#define	MU_DS	4	/* unit status */
71#define	MU_AS	16	/* attention summary */
72#define	MU_DT	24	/* drive type */
73
74/*
75 * Different states which can be on massbus.
76 */
77/* Write to mba_cr */
78#define	MBACR_IBC	0x10
79#define	MBACR_MMM	0x8
80#define	MBACR_IE	0x4
81#define	MBACR_ABORT	0x2
82#define	MBACR_INIT	0x1
83
84/* Read from mba_sr: */
85#define	MBASR_DTBUSY	0x80000000
86#define	MBASR_NRCONF	0x40000000
87#define	MBASR_CRD	0x20000000
88#define	MBASR_CBHUNG	0x800000
89#define MBASR_PGE	0x80000
90#define	MBASR_NED	0x40000		/* NonExistent Drive */
91#define	MBASR_MCPE	0x20000		/* Massbuss Control Parity Error */
92#define	MBASR_ATTN	0x10000		/* Attention from Massbus */
93#define	MBASR_SPE	0x4000		/* Silo Parity Error */
94#define MBASR_DTCMP	0x2000		/* Data Transfer CoMPleted */
95#define MBASR_DTABT	0x1000		/* Data Transfer ABorTed */
96#define MBASR_DLT	0x800		/* Data LaTe */
97#define MBASR_WCKUE	0x400		/* Write check upper error */
98#define	MBASR_WCKLE	0x200		/* Write check lower error */
99#define	MBASR_MXF	0x100		/* Miss transfer fault */
100#define	MBASR_MBEXC	0x80		/* Massbuss exception */
101#define	MBASR_MDPE	0x40		/* Massbuss data parity error */
102#define	MBASR_MAPPE	0x20		/* Page frame map parity error */
103#define	MBASR_INVMAP	0x10		/* Invalid map */
104#define MBASR_ERR_STAT	0x8		/* Error status */
105#define	MBASR_ERRC	0x4		/* Error confirmation */
106#define	MBASR_ISTIMO	0x2		/* Interface sequence timeout */
107#define	MBASR_RDTIMO	0x1		/* Read data timeout status */
108
109/* Definitions in mba_device md_ds */
110#define	MBADS_DPR	0x100		/* Unit present */
111
112/* Definitions in mba_device md_dt */
113#define	MBADT_RP04	0x2010
114#define MBADT_RP05	0x2011
115#define MBADT_RP06	0x2012
116#define MBADT_RP07	0x2022
117#define MBADT_RM02	0x2015
118#define MBADT_RM03	0x2014
119#define MBADT_RM05	0x2017
120#define MBADT_RM80	0x2016
121#define	MBADT_DRQ	0x800		/* Dual ported */
122#define	MBADT_MOH	0x2000		/* Moving head device */
123