/* $FreeBSD$ */ /* $NecBSD: nspreg.h,v 1.4.14.3 2001/06/29 06:27:53 honda Exp $ */ /* $NetBSD$ */ /*- * SPDX-License-Identifier: BSD-3-Clause * * [NetBSD for NEC PC-98 series] * Copyright (c) 1998 * NetBSD/pc98 porting staff. 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. 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. */ #ifndef _NSPREG_H_ #define _NSPREG_H_ /* base registers */ #define nsp_irqcr 0 #define IRQCR_RESCL 0x01 #define IRQCR_PHCL 0x02 #define IRQCR_TIMERCL 0x04 #define IRQCR_FIFOCL 0x08 #define IRQCR_SCSIIDIS 0x10 #define IRQCR_EXTIDIS 0x20 #define IRQCR_TIMERIDIS 0x40 #define IRQCR_FIFOIDIS 0x80 #define IRQCR_ALLMASK 0xff #define IRQCR_IRQDIS 0xf0 #define nsp_irqsr 0 #define IRQSR_SCSI 0x01 #define IRQSR_EXT 0x02 #define IRQSR_TIMER 0x04 #define IRQSR_FIFO 0x08 #define IRQSR_MASK 0x0f #define nsp_ifselr 1 #define IFSELR_IFSEL 0x01 #define IFSELR_REGSEL 0x04 #define nsp_fifosr 1 #define FIFOSR_CHIPREVM 0x0f #define FIFOSR_CHIPIDM 0x70 #define FIFOSR_FULLEMP 0x80 #define nsp_idxr 2 #define nsp_datar 3 #define nsp_fifodr 4 /* indexed registers */ #define NSPR_EXTBUSC 0x10 #define NSPR_CLKDIVR 0x11 #define CLKDIVR_40M 0x02 #define CLKDIVR_20M 0x01 #define NSPR_TERMPWRC 0x13 #define TERMPWRC_POWON 0x01 #define NSPR_SCIENR 0x15 #define SCIENR_SCCHG 0x01 #define SCIENR_RESEL 0x10 #define SCIENR_FIFO 0x20 #define SCIENR_RST 0x40 #define NSPR_IRQPHS 0x16 #define IRQPHS_LMSG 0x01 #define IRQPHS_LIO 0x02 #define IRQPHS_LCD 0x04 #define IRQPHS_LBF 0x08 #define IRQPHS_PCHG 0x10 #define IRQPHS_RSEL 0x20 #define IRQPHS_FIFO 0x40 #define IRQPHS_RST 0x80 #define IRQPHS_PHMASK (IRQPHS_LCD | IRQPHS_LMSG | IRQPHS_LIO) #define NSPR_TIMERCNT 0x17 #define NSPR_SCBUSCR 0x18 #define SCBUSCR_SEL 0x01 #define SCBUSCR_RST 0x02 #define SCBUSCR_DOUT 0x04 #define SCBUSCR_ATN 0x08 #define SCBUSCR_ACK 0x10 #define SCBUSCR_BSY 0x20 #define SCBUSCR_ADIR 0x40 #define SCBUSCR_ACKEN 0x80 #define NSPR_SCBUSMON 0x19 #define SCBUSMON_MSG 0x01 #define SCBUSMON_IO 0x02 #define SCBUSMON_CD 0x04 #define SCBUSMON_BSY 0x08 #define SCBUSMON_ACK 0x10 #define SCBUSMON_REQ 0x20 #define SCBUSMON_SEL 0x40 #define SCBUSMON_ATN 0x80 #define NSPR_SETARBIT 0x1A #define NSPR_ARBITS 0x1A #define ARBITS_EXEC 0x01 #define ARBITS_CLR 0x02 #define ARBITS_WIN 0x02 #define ARBITS_FAIL 0x04 #define ARBITS_RESEL 0x08 #define NSPR_PARITYR 0x1B /* (W/R) */ #define PARITYR_ENABLE 0x01 #define PARITYR_CLEAR 0x02 #define PARITYR_PE 0x02 #define NSPR_CMDCR 0x1C /* (W) */ #define CMDCR_PTCLR 0x01 #define CMDCR_EXEC 0x02 #define NSPR_RESELR 0x1C /* (R) */ #define NSPR_CMDDR 0x1D /* (W/R) */ #define NSPR_PTCLRR 0x1E /* (W) */ #define PTCLRR_PT 0x01 #define PTCLRR_ACK 0x02 #define PTCLRR_REQ 0x04 #define PTCLRR_HOST 0x08 #define PTCLRR_RSS 0x30 #define PTCLRR_RSS_ACK 0x00 #define PTCLRR_RSS_REQ 0x10 #define PTCLRR_RSS_HOST 0x20 #define NSPR_XFERCR 0x1E /* (R) */ #define NSPR_XFERMR 0x20 #define XFERMR_MEM8 0x01 #define XFERMR_MEM32 0x02 #define XFERMR_ADR24 0x04 #define XFERMR_ADR32 0x08 #define XFERMR_IO8 0x10 #define XFERMR_IO32 0x20 #define XFERMR_XEN 0x40 #define XFERMR_FIFOEN 0x80 #define NSPR_SYNCR 0x21 #define SYNCR_OFFM 0x0f #define SYNCR_PERM 0xf0 #define SYNCR_PERS 4 #define NSPR_DATA 0x22 #define NSPR_DATAACK 0x23 #define NSPR_OCR 0x26 #define OCR_ROMEN 0x01 #define OCR_TERMPWROUT 0x02 #define OCR_TERMPWRS 0x04 #define NSPR_ACKWIDTH 0x27 /* SCBUSMON phase defs */ #define SCBUSMON_FREE 0 #define SCBUSMON_CMD \ (SCBUSMON_BSY | SCBUSMON_CD | SCBUSMON_REQ) #define SCBUSMON_MSGIN \ (SCBUSMON_BSY | SCBUSMON_MSG | SCBUSMON_IO | SCBUSMON_CD | SCBUSMON_REQ) #define SCBUSMON_MSGOUT \ (SCBUSMON_BSY | SCBUSMON_MSG | SCBUSMON_CD | SCBUSMON_REQ) #define SCBUSMON_DATAIN \ (SCBUSMON_BSY | SCBUSMON_IO | SCBUSMON_REQ) #define SCBUSMON_DATAOUT \ (SCBUSMON_BSY | SCBUSMON_REQ) #define SCBUSMON_STATUS \ (SCBUSMON_BSY | SCBUSMON_IO | SCBUSMON_CD | SCBUSMON_REQ) #define SCBUSMON_RESELECT \ (SCBUSMON_SEL | SCBUSMON_IO) #define SCBUSMON_PHMASK \ (SCBUSMON_SEL | SCBUSMON_CD | SCBUSMON_MSG | SCBUSMON_IO) /* Data phase */ #define NSP_IS_PHASE_DATA(ph) \ ((((ph) & SCBUSMON_PHMASK) & ~SCBUSMON_IO) == 0) #define NSP_IS_IRQPHS_DATA(ph) \ ((((ph) & IRQPHS_PHMASK) & ~SCBUSMON_IO) == 0) /* SCSI phase */ #define PHASE_CMD (SCBUSMON_CMD & SCBUSMON_PHMASK) #define PHASE_DATAIN (SCBUSMON_DATAIN & SCBUSMON_PHMASK) #define PHASE_DATAOUT (SCBUSMON_DATAOUT & SCBUSMON_PHMASK) #define PHASE_STATUS (SCBUSMON_STATUS & SCBUSMON_PHMASK) #define PHASE_MSGIN (SCBUSMON_MSGIN & SCBUSMON_PHMASK) #define PHASE_MSGOUT (SCBUSMON_MSGOUT & SCBUSMON_PHMASK) #define PHASE_SEL (SCBUSMON_SEL | SCBUSMON_IO) #define IRQPHS_CMD (IRQPHS_LCD) #define IRQPHS_DATAIN (IRQPHS_LIO) #define IRQPHS_DATAOUT (0) #define IRQPHS_STATUS (IRQPHS_LCD | IRQPHS_LIO) #define IRQPHS_MSGIN (IRQPHS_LCD | IRQPHS_LMSG | IRQPHS_LIO) #define IRQPHS_MSGOUT (IRQPHS_LCD | IRQPHS_LMSG) /* Size */ #define NSP_MEMSIZE NBPG #define NSP_IOSIZE 16 #define NSP_BUFFER_SIZE 512 #endif /* !_NSPREG_H_ */