1 /* $FreeBSD$ */ 2 /* $NecBSD: nspreg.h,v 1.4.14.3 2001/06/29 06:27:53 honda Exp $ */ 3 /* $NetBSD$ */ 4 5 /*- 6 * SPDX-License-Identifier: BSD-3-Clause 7 * 8 * [NetBSD for NEC PC-98 series] 9 * Copyright (c) 1998 10 * NetBSD/pc98 porting staff. All rights reserved. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 26 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 32 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #ifndef _NSPREG_H_ 37 #define _NSPREG_H_ 38 39 /* base registers */ 40 #define nsp_irqcr 0 41 #define IRQCR_RESCL 0x01 42 #define IRQCR_PHCL 0x02 43 #define IRQCR_TIMERCL 0x04 44 #define IRQCR_FIFOCL 0x08 45 #define IRQCR_SCSIIDIS 0x10 46 #define IRQCR_EXTIDIS 0x20 47 #define IRQCR_TIMERIDIS 0x40 48 #define IRQCR_FIFOIDIS 0x80 49 #define IRQCR_ALLMASK 0xff 50 #define IRQCR_IRQDIS 0xf0 51 52 #define nsp_irqsr 0 53 #define IRQSR_SCSI 0x01 54 #define IRQSR_EXT 0x02 55 #define IRQSR_TIMER 0x04 56 #define IRQSR_FIFO 0x08 57 #define IRQSR_MASK 0x0f 58 59 #define nsp_ifselr 1 60 #define IFSELR_IFSEL 0x01 61 #define IFSELR_REGSEL 0x04 62 63 #define nsp_fifosr 1 64 #define FIFOSR_CHIPREVM 0x0f 65 #define FIFOSR_CHIPIDM 0x70 66 #define FIFOSR_FULLEMP 0x80 67 68 #define nsp_idxr 2 69 #define nsp_datar 3 70 #define nsp_fifodr 4 71 72 /* indexed registers */ 73 #define NSPR_EXTBUSC 0x10 74 75 #define NSPR_CLKDIVR 0x11 76 #define CLKDIVR_40M 0x02 77 #define CLKDIVR_20M 0x01 78 79 #define NSPR_TERMPWRC 0x13 80 #define TERMPWRC_POWON 0x01 81 82 #define NSPR_SCIENR 0x15 83 #define SCIENR_SCCHG 0x01 84 #define SCIENR_RESEL 0x10 85 #define SCIENR_FIFO 0x20 86 #define SCIENR_RST 0x40 87 88 #define NSPR_IRQPHS 0x16 89 #define IRQPHS_LMSG 0x01 90 #define IRQPHS_LIO 0x02 91 #define IRQPHS_LCD 0x04 92 #define IRQPHS_LBF 0x08 93 #define IRQPHS_PCHG 0x10 94 #define IRQPHS_RSEL 0x20 95 #define IRQPHS_FIFO 0x40 96 #define IRQPHS_RST 0x80 97 #define IRQPHS_PHMASK (IRQPHS_LCD | IRQPHS_LMSG | IRQPHS_LIO) 98 99 #define NSPR_TIMERCNT 0x17 100 101 #define NSPR_SCBUSCR 0x18 102 #define SCBUSCR_SEL 0x01 103 #define SCBUSCR_RST 0x02 104 #define SCBUSCR_DOUT 0x04 105 #define SCBUSCR_ATN 0x08 106 #define SCBUSCR_ACK 0x10 107 #define SCBUSCR_BSY 0x20 108 #define SCBUSCR_ADIR 0x40 109 #define SCBUSCR_ACKEN 0x80 110 111 #define NSPR_SCBUSMON 0x19 112 #define SCBUSMON_MSG 0x01 113 #define SCBUSMON_IO 0x02 114 #define SCBUSMON_CD 0x04 115 #define SCBUSMON_BSY 0x08 116 #define SCBUSMON_ACK 0x10 117 #define SCBUSMON_REQ 0x20 118 #define SCBUSMON_SEL 0x40 119 #define SCBUSMON_ATN 0x80 120 121 #define NSPR_SETARBIT 0x1A 122 123 #define NSPR_ARBITS 0x1A 124 #define ARBITS_EXEC 0x01 125 #define ARBITS_CLR 0x02 126 #define ARBITS_WIN 0x02 127 #define ARBITS_FAIL 0x04 128 #define ARBITS_RESEL 0x08 129 130 #define NSPR_PARITYR 0x1B /* (W/R) */ 131 #define PARITYR_ENABLE 0x01 132 #define PARITYR_CLEAR 0x02 133 #define PARITYR_PE 0x02 134 135 #define NSPR_CMDCR 0x1C /* (W) */ 136 #define CMDCR_PTCLR 0x01 137 #define CMDCR_EXEC 0x02 138 139 #define NSPR_RESELR 0x1C /* (R) */ 140 #define NSPR_CMDDR 0x1D /* (W/R) */ 141 142 #define NSPR_PTCLRR 0x1E /* (W) */ 143 #define PTCLRR_PT 0x01 144 #define PTCLRR_ACK 0x02 145 #define PTCLRR_REQ 0x04 146 #define PTCLRR_HOST 0x08 147 #define PTCLRR_RSS 0x30 148 #define PTCLRR_RSS_ACK 0x00 149 #define PTCLRR_RSS_REQ 0x10 150 #define PTCLRR_RSS_HOST 0x20 151 152 #define NSPR_XFERCR 0x1E /* (R) */ 153 154 #define NSPR_XFERMR 0x20 155 #define XFERMR_MEM8 0x01 156 #define XFERMR_MEM32 0x02 157 #define XFERMR_ADR24 0x04 158 #define XFERMR_ADR32 0x08 159 #define XFERMR_IO8 0x10 160 #define XFERMR_IO32 0x20 161 #define XFERMR_XEN 0x40 162 #define XFERMR_FIFOEN 0x80 163 164 #define NSPR_SYNCR 0x21 165 #define SYNCR_OFFM 0x0f 166 #define SYNCR_PERM 0xf0 167 #define SYNCR_PERS 4 168 169 #define NSPR_DATA 0x22 170 #define NSPR_DATAACK 0x23 171 #define NSPR_OCR 0x26 172 #define OCR_ROMEN 0x01 173 #define OCR_TERMPWROUT 0x02 174 #define OCR_TERMPWRS 0x04 175 176 #define NSPR_ACKWIDTH 0x27 177 178 /* SCBUSMON phase defs */ 179 #define SCBUSMON_FREE 0 180 #define SCBUSMON_CMD \ 181 (SCBUSMON_BSY | SCBUSMON_CD | SCBUSMON_REQ) 182 #define SCBUSMON_MSGIN \ 183 (SCBUSMON_BSY | SCBUSMON_MSG | SCBUSMON_IO | SCBUSMON_CD | SCBUSMON_REQ) 184 #define SCBUSMON_MSGOUT \ 185 (SCBUSMON_BSY | SCBUSMON_MSG | SCBUSMON_CD | SCBUSMON_REQ) 186 #define SCBUSMON_DATAIN \ 187 (SCBUSMON_BSY | SCBUSMON_IO | SCBUSMON_REQ) 188 #define SCBUSMON_DATAOUT \ 189 (SCBUSMON_BSY | SCBUSMON_REQ) 190 #define SCBUSMON_STATUS \ 191 (SCBUSMON_BSY | SCBUSMON_IO | SCBUSMON_CD | SCBUSMON_REQ) 192 #define SCBUSMON_RESELECT \ 193 (SCBUSMON_SEL | SCBUSMON_IO) 194 #define SCBUSMON_PHMASK \ 195 (SCBUSMON_SEL | SCBUSMON_CD | SCBUSMON_MSG | SCBUSMON_IO) 196 197 /* Data phase */ 198 #define NSP_IS_PHASE_DATA(ph) \ 199 ((((ph) & SCBUSMON_PHMASK) & ~SCBUSMON_IO) == 0) 200 #define NSP_IS_IRQPHS_DATA(ph) \ 201 ((((ph) & IRQPHS_PHMASK) & ~SCBUSMON_IO) == 0) 202 203 /* SCSI phase */ 204 #define PHASE_CMD (SCBUSMON_CMD & SCBUSMON_PHMASK) 205 #define PHASE_DATAIN (SCBUSMON_DATAIN & SCBUSMON_PHMASK) 206 #define PHASE_DATAOUT (SCBUSMON_DATAOUT & SCBUSMON_PHMASK) 207 #define PHASE_STATUS (SCBUSMON_STATUS & SCBUSMON_PHMASK) 208 #define PHASE_MSGIN (SCBUSMON_MSGIN & SCBUSMON_PHMASK) 209 #define PHASE_MSGOUT (SCBUSMON_MSGOUT & SCBUSMON_PHMASK) 210 #define PHASE_SEL (SCBUSMON_SEL | SCBUSMON_IO) 211 212 #define IRQPHS_CMD (IRQPHS_LCD) 213 #define IRQPHS_DATAIN (IRQPHS_LIO) 214 #define IRQPHS_DATAOUT (0) 215 #define IRQPHS_STATUS (IRQPHS_LCD | IRQPHS_LIO) 216 #define IRQPHS_MSGIN (IRQPHS_LCD | IRQPHS_LMSG | IRQPHS_LIO) 217 #define IRQPHS_MSGOUT (IRQPHS_LCD | IRQPHS_LMSG) 218 219 /* Size */ 220 #define NSP_MEMSIZE NBPG 221 #define NSP_IOSIZE 16 222 #define NSP_BUFFER_SIZE 512 223 #endif /* !_NSPREG_H_ */ 224