/*      $NetBSD: dc503reg.h,v 1.1 2023/02/11 05:59:39 tsutsui Exp $     */
/*      $OpenBSD: dc503reg.h,v 1.1 2006/07/23 19:17:23 miod Exp $       */
/*      NetBSD: pmreg.h,v 1.7 2005/12/11 12:18:36 christos Exp  */

/*
 * 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. 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
 */

/*
 * Layout of the programmable cursor chip (DC503) registers.
 * All registers are 16 bit wide.
 */

#define PCC_CMD         0x00    /* cursor command register */
#define PCCCMD_TEST     0x8000
#define PCCCMD_HSHI     0x4000
#define PCCCMD_VBHI     0x2000
#define PCCCMD_LODSA    0x1000
#define PCCCMD_FORG2    0x0800
#define PCCCMD_ENRG2    0x0400
#define PCCCMD_FORG1    0x0200
#define PCCCMD_ENRG1    0x0100
#define PCCCMD_XHWID    0x0080
#define PCCCMD_XHCL1    0x0040
#define PCCCMD_XHCLP    0x0020
#define PCCCMD_XHAIR    0x0010
#define PCCCMD_FOPB     0x0008
#define PCCCMD_ENPB     0x0004
#define PCCCMD_FOPA     0x0002
#define PCCCMD_ENPA     0x0001

#define PCC_XPOS        0x04    /* cursor X position */
#define PCC_YPOS        0x08    /* cursor Y position */
#define PCC_XMIN_1      0x0c    /* region 1 left edge */
#define PCC_XMAX_1      0x10    /* region 1 right edge */
#define PCC_YMIN_1      0x14    /* region 1 top edge */
#define PCC_YMAX_1      0x18    /* region 1 bottom edge */
#define PCC_XMIN_2      0x1c    /* region 2 left edge */
#define PCC_XMAX_2      0x20    /* region 2 right edge */
#define PCC_YMIN_2      0x24    /* region 2 top edge */
#define PCC_YMAX_2      0x28    /* region 2 bottom edge */
#define PCC_LOAD        0x2c    /* cursor pattern load */

struct dc503reg {
        volatile uint16_t       cmdr;
        int16_t pad1;
        volatile uint16_t       xpos;
        int16_t pad2;
        volatile uint16_t       ypos;
        int16_t pad3;
        volatile uint16_t       xmin1;
        int16_t pad4;
        volatile uint16_t       xmax1;
        int16_t pad5;
        volatile uint16_t       ymin1;
        int16_t pad6;
        volatile uint16_t       ymax1;
        int16_t pad7[9];
        volatile uint16_t       xmin2;
        int16_t pad8;
        volatile uint16_t       xmax2;
        int16_t pad9;
        volatile uint16_t       ymin2;
        int16_t pad10;
        volatile uint16_t       ymax2;
        int16_t pad11;
        volatile uint16_t       load;
};

#define PCC_CURSOR_SIZE 16