72 lines
2.8 KiB
C
72 lines
2.8 KiB
C
/* $NetBSD: intioreg.h,v 1.1 2001/11/17 23:33:22 gmcgarry Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Gregory McGarry.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Registers for interface to the wired devices.
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*/
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/* HP3xx/4xx registers */
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#define INTIO_DEV_3xx_PAD0 0
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#define INTIO_DEV_3xx_DATA 1
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#define INTIO_DEV_3xx_PAD1 2
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#define INTIO_DEV_3xx_CMD 3
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#define INTIO_DEV_3xx_STAT 3
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/* HP7xx registers - XXX check these */
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#define INTIO_DEV_7xx_RSTHOLD 0
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#define INTIO_DEV_7xx_DATA 2048
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#define INTIO_DEV_7xx_CMD 2049
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#define INTIO_DEV_7xx_STAT 2049
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#define INTIO_DEV_7xx_RSTREL 3072
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/* HP8xx registers - XXX check these */
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#define INTIO_DEV_8xx_DATA 3
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#define INTIO_DEV_8xx_CMD 11
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#define INTIO_DEV_8xx_STAT 11
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/* Status bits */
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#define INTIO_DEV_DATA_READY 0x01
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#define INTIO_DEV_BUSY 0x02
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/* the top four bits specify a "service request" status code */
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#define INTIO_DEV_SRSHIFT 4
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#define INTIO_DEV_SRMASK 0x0f
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/* Valid "service request" status codes */
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#define INTIO_DEV_SR_DATAAVAIL 0x04
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/* the specific wired device will overload the remaining bits */
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