1 /* $NetBSD: intioreg.h,v 1.1 2001/11/17 23:33:22 gmcgarry Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Gregory McGarry. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Registers for interface to the wired devices. 41 */ 42 43 /* HP3xx/4xx registers */ 44 #define INTIO_DEV_3xx_PAD0 0 45 #define INTIO_DEV_3xx_DATA 1 46 #define INTIO_DEV_3xx_PAD1 2 47 #define INTIO_DEV_3xx_CMD 3 48 #define INTIO_DEV_3xx_STAT 3 49 50 /* HP7xx registers - XXX check these */ 51 #define INTIO_DEV_7xx_RSTHOLD 0 52 #define INTIO_DEV_7xx_DATA 2048 53 #define INTIO_DEV_7xx_CMD 2049 54 #define INTIO_DEV_7xx_STAT 2049 55 #define INTIO_DEV_7xx_RSTREL 3072 56 57 /* HP8xx registers - XXX check these */ 58 #define INTIO_DEV_8xx_DATA 3 59 #define INTIO_DEV_8xx_CMD 11 60 #define INTIO_DEV_8xx_STAT 11 61 62 /* Status bits */ 63 #define INTIO_DEV_DATA_READY 0x01 64 #define INTIO_DEV_BUSY 0x02 65 /* the top four bits specify a "service request" status code */ 66 #define INTIO_DEV_SRSHIFT 4 67 #define INTIO_DEV_SRMASK 0x0f 68 69 /* Valid "service request" status codes */ 70 #define INTIO_DEV_SR_DATAAVAIL 0x04 71 /* the specific wired device will overload the remaining bits */ 72