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      1 /*	$NetBSD: intioreg.h,v 1.5 2008/04/28 20:23:19 martin 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  *  Registers for interface to the wired devices.
     34  */
     35 
     36 /* HP3xx/4xx registers */
     37 #define INTIO_DEV_3xx_PAD0	0
     38 #define INTIO_DEV_3xx_DATA	1
     39 #define INTIO_DEV_3xx_PAD1	2
     40 #define INTIO_DEV_3xx_CMD	3
     41 #define INTIO_DEV_3xx_STAT	3
     42 
     43 /* HP7xx registers - XXX check these */
     44 #define INTIO_DEV_7xx_RSTHOLD	0
     45 #define INTIO_DEV_7xx_DATA	2048
     46 #define INTIO_DEV_7xx_CMD	2049
     47 #define INTIO_DEV_7xx_STAT	2049
     48 #define INTIO_DEV_7xx_RSTREL	3072
     49 
     50 /* HP8xx registers - XXX check these */
     51 #define INTIO_DEV_8xx_DATA	3
     52 #define INTIO_DEV_8xx_CMD	11
     53 #define INTIO_DEV_8xx_STAT	11
     54 
     55 /* Status bits */
     56 #define INTIO_DEV_DATA_READY	0x01
     57 #define INTIO_DEV_BUSY		0x02
     58 /* the top four bits specify a "service request" status code */
     59 #define INTIO_DEV_SRSHIFT	4
     60 #define INTIO_DEV_SRMASK	0x0f
     61 
     62 /* Valid "service request" status codes */
     63 #define INTIO_DEV_SR_DATAAVAIL	0x04
     64 /* the specific wired device will overload the remaining bits */
     65 
     66 
     67 /* Base address offsets from intiobase of each device */
     68 #define FRODO_BASE	0x01c000
     69 #define RTC_BASE	0x020000
     70 #define HIL_BASE	0x028000
     71 #define HPIB_BASE	0x078000
     72 #define DMA_BASE	0x100000
     73 #define FB_BASE		0x160000
     74