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      1 /*	$NetBSD: bw2reg.h,v 1.3 2005/12/11 12:19:20 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1992, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This software was developed by the Computer Systems Engineering group
      8  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
      9  * contributed to Berkeley.
     10  *
     11  * All advertising materials mentioning features or use of this software
     12  * must display the following acknowledgement:
     13  *	This product includes software developed by the University of
     14  *	California, Lawrence Berkeley Laboratory.
     15  *
     16  * Redistribution and use in source and binary forms, with or without
     17  * modification, are permitted provided that the following conditions
     18  * are met:
     19  * 1. Redistributions of source code must retain the above copyright
     20  *    notice, this list of conditions and the following disclaimer.
     21  * 2. Redistributions in binary form must reproduce the above copyright
     22  *    notice, this list of conditions and the following disclaimer in the
     23  *    documentation and/or other materials provided with the distribution.
     24  * 3. Neither the name of the University nor the names of its contributors
     25  *    may be used to endorse or promote products derived from this software
     26  *    without specific prior written permission.
     27  *
     28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     38  * SUCH DAMAGE.
     39  *
     40  *	@(#)bwtworeg.h	8.1 (Berkeley) 6/11/93
     41  */
     42 
     43 /* Default physical address. */
     44 #define BW2_50_PADDR	  0x100000
     45 #define	BW2_FB_PADDR	0xff000000
     46 #define BW2_CR_PADDR	0xff1c0000
     47 
     48 /* Sizes that can be mapped. */
     49 #define	BW2_FBSIZE  		0x20000	/* size of frame buffer */
     50 #define	BW2_FBSIZE_HIRES	0x40000	/* size of hi-res FB */
     51 
     52 /*
     53  * bwtwo control register (16-bits)
     54  */
     55 
     56 #define	VC_VIDEO_EN	0x8000	/* Video enable */
     57 #define	VC_COPY_EN	0x4000	/* Copy enable */
     58 #define	VC_INT_ENA	0x2000	/* Interrupt enable */
     59 #define	VC_INT_PEND	0x1000	/* Int active - r/o */
     60 #define	VC_B_JUMPER	0x0800	/* Config jumper, 0=default */
     61 #define	VC_A_JUMPER	0x0400	/* Config jumper, 0=default */
     62 #define	VC_COLOR_JP 0x0200	/* Config jumper, 0: def. 1: use P2-color */
     63 #define	VC_1024_JP	0x0100	/* Config jumper, 0: def. 1: use 1K by 1K */
     64 /* Note copy-mode only on Sun3/160 */
     65 #define VC_COPYBASE	0x00FF	/* copy-mode high address bits */
     66