xref: /netbsd-src/sys/arch/vax/mba/hpreg.h (revision a5847cc334d9a7029f6352b847e9e8d71a0f9e0c)
1 /*	$NetBSD: hpreg.h,v 1.5 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
33 struct hp_regs {
34         int     hp_cs1;
35         int     hp_ds;
36         int     hp_er1;
37         int     hp_mr1;
38         int     hp_as;
39         int     hp_da;
40         int     hp_dt;
41         int     hp_la;
42         int     hp_sn;
43         int     hp_of;
44         int     hp_dc;
45         int     hp_hr;
46         int     hp_mr2;
47         int     hp_er2;
48         int     hp_ec1;
49         int     hp_ec2;
50         int     utrymme[16];
51 };
52 #endif
53 
54 #define	HP_CS1	0
55 #define HP_DS	4
56 #define HP_ER1	8
57 #define HP_MR1	12
58 #define HP_AS	16
59 #define HP_DA	20
60 #define HP_DT	24
61 #define HP_LA	28
62 #define HP_SN	32
63 #define HP_OF	36
64 #define HP_DC	40
65 #define HP_HR	44
66 #define HP_MR2	48
67 #define HP_ER2	52
68 #define HP_EC1	56
69 #define HP_EC2	60
70 
71 #define HPCS_DVA	4000	/* Drive avail, in dual-port config */
72 #define HPCS_WRITE	061	/* Write data */
73 #define HPCS_WCHECK	051	/* Write check data */
74 #define HPCS_WHEAD	063	/* Write header and data */
75 #define HPCS_WCHEAD	053	/* Write check header and data */
76 #define	HPCS_READ	071	/* Read data */
77 #define HPCS_RHEAD	073	/* Read header and data */
78 #define	HPCS_SEEK	005	/* Just seek */
79 #define HPCS_RECAL	007	/* Recalibrate */
80 #define HPCS_RTC	017	/* Return to centerline */
81 #define HPCS_OFFSET	015	/* Offset */
82 #define HPCS_SEARCH	031	/* Search */
83 #define HPCS_UNLOAD	003	/* Unload pack (removable) */
84 #define HPCS_RELEASE	013	/* Release massbuss port */
85 #define HPCS_RPS	021	/* Read-in preset */
86 #define	HPCS_PA		023	/* Pack acknowledge */
87 #define HPCS_DC		011	/* Drive clear */
88 
89 
90 #define HPDS_VV         0x40    /* Volume valid, not changed */
91 #define HPDS_DRY        0x80    /* Drive ready to accept commands */
92 #define HPDS_DPR        0x100   /* Drive present */
93 #define HPDS_PGM        0x200   /* Programmable in dual-port config */
94 #define HPDS_LBT        0x400   /* Last block transferred */
95 #define HPDS_WRL        0x800   /* Write locked media */
96 #define HPDS_MOL        0x1000  /* Medium on-line */
97 #define HPDS_PIP        0x2000  /* Positioning in progress */
98 #define HPDS_ERR        0x4000  /* ORed error bit, something wrong */
99 #define HPDS_ATA        0x8000  /* Attention drive */
100 
101 #define HPDT_DRQ        0x800   /* Dual-port disk */
102 
103 #define	HPOF_FMT	0x1000	/* 16/18 bit data */
104 
105 /*
106  * Error registers. The defines are the corresponding bit number
107  * in the error register, instead of a bit mask.
108  * Use (1<<HPER1_FOO) when touching registers.
109  */
110 #define	HPER1_ILF	0	/* Illegal function */
111 #define HPER1_ILR	1	/* Illegal register */
112 #define HPER1_RMR	2	/* Register modification refused */
113 #define HPER1_PAR	3	/* Parity error */
114 #define HPER1_FER	4	/* Format error */
115 #define HPER1_WCF	5	/* Write clock failed */
116 #define HPER1_ECH	6	/* ECC hard error */
117 #define HPER1_HCE	7	/* Header compare error */
118 #define HPER1_HCRC	8	/* Header CRC error */
119 #define HPER1_AOE	9	/* Address overflow error */
120 #define	HPER1_IAE	10	/* Invalid address error */
121 #define HPER1_WLE	11	/* Write lock error */
122 #define HPER1_DTE	12	/* Drive timing error */
123 #define HPER1_OPI	13	/* Operation incomplete */
124 #define HPER1_UNS	14	/* Unsafe drive */
125 #define HPER1_DCK	15	/* Data check error */
126