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      1 /*	$NetBSD: hpreg.h,v 1.6 2017/05/22 17:13:09 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  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #ifdef notdef
     28 struct hp_regs {
     29         int     hp_cs1;
     30         int     hp_ds;
     31         int     hp_er1;
     32         int     hp_mr1;
     33         int     hp_as;
     34         int     hp_da;
     35         int     hp_dt;
     36         int     hp_la;
     37         int     hp_sn;
     38         int     hp_of;
     39         int     hp_dc;
     40         int     hp_hr;
     41         int     hp_mr2;
     42         int     hp_er2;
     43         int     hp_ec1;
     44         int     hp_ec2;
     45         int     utrymme[16];
     46 };
     47 #endif
     48 
     49 #define	HP_CS1	0
     50 #define HP_DS	4
     51 #define HP_ER1	8
     52 #define HP_MR1	12
     53 #define HP_AS	16
     54 #define HP_DA	20
     55 #define HP_DT	24
     56 #define HP_LA	28
     57 #define HP_SN	32
     58 #define HP_OF	36
     59 #define HP_DC	40
     60 #define HP_HR	44
     61 #define HP_MR2	48
     62 #define HP_ER2	52
     63 #define HP_EC1	56
     64 #define HP_EC2	60
     65 
     66 #define HPCS_DVA	4000	/* Drive avail, in dual-port config */
     67 #define HPCS_WRITE	061	/* Write data */
     68 #define HPCS_WCHECK	051	/* Write check data */
     69 #define HPCS_WHEAD	063	/* Write header and data */
     70 #define HPCS_WCHEAD	053	/* Write check header and data */
     71 #define	HPCS_READ	071	/* Read data */
     72 #define HPCS_RHEAD	073	/* Read header and data */
     73 #define	HPCS_SEEK	005	/* Just seek */
     74 #define HPCS_RECAL	007	/* Recalibrate */
     75 #define HPCS_RTC	017	/* Return to centerline */
     76 #define HPCS_OFFSET	015	/* Offset */
     77 #define HPCS_SEARCH	031	/* Search */
     78 #define HPCS_UNLOAD	003	/* Unload pack (removable) */
     79 #define HPCS_RELEASE	013	/* Release massbuss port */
     80 #define HPCS_RPS	021	/* Read-in preset */
     81 #define	HPCS_PA		023	/* Pack acknowledge */
     82 #define HPCS_DC		011	/* Drive clear */
     83 
     84 
     85 #define HPDS_VV         0x40    /* Volume valid, not changed */
     86 #define HPDS_DRY        0x80    /* Drive ready to accept commands */
     87 #define HPDS_DPR        0x100   /* Drive present */
     88 #define HPDS_PGM        0x200   /* Programmable in dual-port config */
     89 #define HPDS_LBT        0x400   /* Last block transferred */
     90 #define HPDS_WRL        0x800   /* Write locked media */
     91 #define HPDS_MOL        0x1000  /* Medium on-line */
     92 #define HPDS_PIP        0x2000  /* Positioning in progress */
     93 #define HPDS_ERR        0x4000  /* ORed error bit, something wrong */
     94 #define HPDS_ATA        0x8000  /* Attention drive */
     95 
     96 #define HPDT_DRQ        0x800   /* Dual-port disk */
     97 
     98 #define	HPOF_FMT	0x1000	/* 16/18 bit data */
     99 
    100 /*
    101  * Error registers. The defines are the corresponding bit number
    102  * in the error register, instead of a bit mask.
    103  * Use (1<<HPER1_FOO) when touching registers.
    104  */
    105 #define	HPER1_ILF	0	/* Illegal function */
    106 #define HPER1_ILR	1	/* Illegal register */
    107 #define HPER1_RMR	2	/* Register modification refused */
    108 #define HPER1_PAR	3	/* Parity error */
    109 #define HPER1_FER	4	/* Format error */
    110 #define HPER1_WCF	5	/* Write clock failed */
    111 #define HPER1_ECH	6	/* ECC hard error */
    112 #define HPER1_HCE	7	/* Header compare error */
    113 #define HPER1_HCRC	8	/* Header CRC error */
    114 #define HPER1_AOE	9	/* Address overflow error */
    115 #define	HPER1_IAE	10	/* Invalid address error */
    116 #define HPER1_WLE	11	/* Write lock error */
    117 #define HPER1_DTE	12	/* Drive timing error */
    118 #define HPER1_OPI	13	/* Operation incomplete */
    119 #define HPER1_UNS	14	/* Unsafe drive */
    120 #define HPER1_DCK	15	/* Data check error */
    121