usr/src/sys/pmax/dev/pmreg.h

/*
 * Copyright (c) 1992, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Ralph Campbell.
 *
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
 *
 *      @(#)pmreg.h     8.1 (Berkeley) 6/10/93
 */

/*
 * Defines for the graphics hardware.
 */

/*
 * Structure to descripte the programmable cursor chip (DC503) from DEC.
 */
typedef volatile struct PCCRegs {
        u_short cmdr;   /* cursor command register */
        short   pad1;
        u_short xpos;   /* cursor X position */
        short   pad2;
        u_short ypos;   /* cursor Y position */
        short   pad3;
        u_short xmin1;  /* region 1 left edge */
        short   pad4;
        u_short xmax1;  /* region 1 right edge */
        short   pad5;
        u_short ymin1;  /* region 1 top edge */
        short   pad6;
        u_short ymax1;  /* region 1 bottom edge */
        short   pad7[9];
        u_short xmin2;  /* region 2 left edge */
        short   pad8;
        u_short xmax2;  /* region 2 right edge */
        short   pad9;
        u_short ymin2;  /* region 2 top edge */
        short   pad10;
        u_short ymax2;  /* region 2 bottom edge */
        short   pad11;
        u_short memory; /* cursor sprite pattern load */
} PCCRegs;

        /* define bits in pcc_cmdr */
#define PCC_TEST        0x8000
#define PCC_HSHI        0x4000
#define PCC_VBHI        0x2000
#define PCC_LODSA       0x1000
#define PCC_FORG2       0x0800
#define PCC_ENRG2       0x0400
#define PCC_FORG1       0x0200
#define PCC_ENRG1       0x0100
#define PCC_XHWID       0x0080
#define PCC_XHCL1       0x0040
#define PCC_XHCLP       0x0020
#define PCC_XHAIR       0x0010
#define PCC_FOPB        0x0008
#define PCC_ENPB        0x0004
#define PCC_FOPA        0x0002
#define PCC_ENPA        0x0001

        /* offset for cursor X & Y locations */
#define PCC_X_OFFSET    212
#define PCC_Y_OFFSET    34

typedef volatile struct VDACRegs {
        u_char  mapWA;          /* address register (color map write) */
        char    pad1[3];
        u_char  map;            /* color map */
        char    pad2[3];
        u_char  mask;           /* pixel read mask */
        char    pad3[3];
        u_char  mapRA;          /* address register (color map read) */
        char    pad4[3];
        u_char  overWA;         /* address register (overlay map write) */
        char    pad5[3];
        u_char  over;           /* overlay map */
        char    pad6[7];
        u_char  overRA;         /* address register (overlay map read) */
} VDACRegs;