* Copyright (c) 1982, 1990, 1993

/* $NetBSD: ctreg.h,v 1.11 2021/07/05 14:51:23 tsutsui Exp $ */

/*
* Copyright (c) 1982, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)ctreg.h 8.1 (Berkeley) 6/10/93
*/

struct ct_iocmd {
char unit;
char saddr;
short addr0;
long addr;
char nop2;
char slen;
long len;
char nop3;
char cmd;
};

struct ct_rscmd {
char unit;
char cmd;
};

struct ct_stat {
char c_vu;
char c_pend;
short c_ref;
short c_fef;
short c_aef;
short c_ief;
short c_blk0;
long c_blk;
char c_pad[4];
};

struct ct_ssmcmd {
char unit;
char cmd;
short refm;
short fefm;
short aefm;
short iefm;
};

struct ct_srcmd {
char unit;
char nop;
char cmd;
char param;
};

struct ct_soptcmd {
char unit;
char nop;
char cmd;
char opt;
};

struct ct_ulcmd {
char unit;
char cmd;
};

struct ct_wfmcmd {
char unit;
char cmd;
};

struct ct_clearcmd {
char unit;
char cmd;
};

#define CT7946ID 0x220
#define CT9145ID 0x268
#define CT9144ID 0x260
#define CT9144 0
#define CT7912PID 0x209
#define CT7914PID 0x20B
#define CT88140 1
#define CT35401ID 0x270

/* convert bytes to 1k tape block and back */
#define CTBTOK(x) ((x) >> 10)
#define CTKTOB(x) ((x) << 10)

#define CTCTLR 15

#define REF_MASK 0x0
#define FEF_MASK 0x0
#define AEF_MASK 0x0
#define IEF_MASK 0xF970

#define FEF_PF 0x0002
#define FEF_REXMT 0x0001
#define AEF_EOF 0x0010
#define AEF_EOV 0x0008

#define C_READ 0x00
#define C_WRITE 0x02
#define C_CLEAR 0x08
#define C_STATUS 0x0d
#define C_SADDR 0x10
#define C_SLEN 0x18
#define C_SUNIT(x) (0x20 | (x))
#define C_SVOL(x) (0x40 | (x))
#define C_NOP 0x34
#define C_DESC 0x35
#define C_SOPT 0x38
#define C_SREL 0x3b
#define C_SSM 0x3e
#define C_WFM 0x49
#define C_UNLOAD 0x4a
#define C_REL 0xc0

#define C_CMD 0x05
#define C_EXEC 0x0e
#define C_QSTAT 0x10
#define C_TCMD 0x12

#define C_CC 1
#define C_SKSPAR 2
#define C_OPT 4
#define C_SPAR 4
#define C_IMRPT 8