NetBSD/sys/dev/qbus/rlreg.h

103 lines
3.8 KiB
C

/* $NetBSD: rlreg.h,v 1.4 2005/12/11 12:23:29 christos 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_STATUS 0000007 /* Status bits mask */
#define RLMP_UNLOAD 0 /* not loaded */
#define RLMP_SPINUP 1 /* spinning up */
#define RLMP_BRUSHING 2 /* brushes out */
#define RLMP_LOADHEADS 3 /* loading heads */
#define RLMP_SEEKING 4 /* seeking */
#define RLMP_LOCKED 5 /* lock turned on */
#define RLMP_UNLHEADS 6 /* unloading heads */
#define RLMP_SPUNDOWN 7 /* disk spun down */
#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 */