93 lines
3.4 KiB
C
93 lines
3.4 KiB
C
/* $NetBSD: rlreg.h,v 1.1 2000/04/22 16:46:46 ragge Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2000 Ludd, University of Lule}, Sweden. 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed at Ludd, University of
|
|
* Lule}, Sweden and its contributors.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
|
|
*/
|
|
|
|
/*
|
|
* RL11 registers.
|
|
*/
|
|
#define RL_CS 0
|
|
#define RL_BA 2
|
|
#define RL_DA 4
|
|
#define RL_MP 6
|
|
#define RL_BAE 8 /* Only on RLV12 */
|
|
|
|
/*
|
|
* Bits in Control/Status register
|
|
*/
|
|
#define RLCS_DRDY 0000001
|
|
#define RLCS_IE 0000100
|
|
#define RLCS_CRDY 0000200
|
|
#define RLCS_DE 0040000
|
|
#define RLCS_ERR 0100000
|
|
#define RLCS_ERRMSK 0036000
|
|
/* Command to give to drive */
|
|
#define RLCS_NOOP 0000000 /* No operation */
|
|
#define RLCS_WCK 0000002 /* Write Check */
|
|
#define RLCS_GS 0000004 /* Get Status */
|
|
#define RLCS_SEEK 0000006 /* Seek */
|
|
#define RLCS_RHDR 0000010 /* Read Header */
|
|
#define RLCS_WD 0000012 /* Write data */
|
|
#define RLCS_RD 0000014 /* Read data */
|
|
#define RLCS_RDWO 0000016 /* Read data without hdr check */
|
|
#define RLCS_USHFT 8 /* Shift unit number left */
|
|
#define RLCS_ADSHFT 4 /* Shift address bits 16-17 left */
|
|
|
|
/*
|
|
* Bits in Disk Address register
|
|
*/
|
|
#define RLDA_SEEK 0000001 /* Issue a "Seek" command */
|
|
#define RLDA_GS 0000003 /* Issue a "Get Status" command */
|
|
#define RLDA_DIR 0000004 /* Move head towards spindle */
|
|
#define RLDA_RST 0000010 /* Reset the drive */
|
|
#define RLDA_HSSEEK 0000020 /* Head select for seek */
|
|
#define RLDA_HSRW 0000100 /* Head select for read/write */
|
|
#define RLDA_CYLSHFT 7
|
|
|
|
/*
|
|
* Bits in Multipurpose register
|
|
*/
|
|
#define RLMP_DT 0000200 /* Set if RL02, otherwise RL01 */
|
|
#define RLMP_HS 0000100 /* Head select */
|
|
|
|
/*
|
|
* RL01/RL02 disk layout.
|
|
*/
|
|
#define RL_BPS 256 /* Bytes/sector */
|
|
#define RL_SPT 40 /* Sectors/track */
|
|
#define RL_TPS01 256 /* Tracks/surface RL01 */
|
|
#define RL_TPS02 512 /* Tracks/surface RL02 */
|
|
#define RL_SPD 2 /* Surfaces/disk */
|
|
|
|
/*
|
|
* Other...
|
|
*/
|
|
#define RL_MAXDPC 4 /* Max disks/controller */
|