/*      $OpenBSD: rboxreg.h,v 1.2 2005/01/24 21:36:39 miod Exp $        */
/*      $NetBSD: rboxreg.h,v 1.3 2023/01/15 06:19:45 tsutsui Exp $      */

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1990, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * 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.
 *
 * from: Utah $Hdr: grf_rbreg.h 1.9 92/01/21$
 *
 *      @(#)grf_rbreg.h 8.1 (Berkeley) 6/10/93
 */

/*
 * Map of the Renaissance frame buffer controller chip in memory ...
 */

#define rb_waitbusy(regaddr)                                            \
do {                                                                    \
        while (((volatile struct rboxfb *)(regaddr))->wbusy & 0x01)     \
                DELAY(10);                                              \
} while (/* CONSTCOND */0)

#define RBOX_DUALROP(rop)       ((rop) << 4 | (rop))

#define CM1RED(fb)      ((volatile struct rencm *)((fb)->regkva + 0x6400))
#define CM1GRN(fb)      ((volatile struct rencm *)((fb)->regkva + 0x6800))
#define CM1BLU(fb)      ((volatile struct rencm *)((fb)->regkva + 0x6C00))
#define CM2RED(fb)      ((volatile struct rencm *)((fb)->regkva + 0x7400))
#define CM2GRN(fb)      ((volatile struct rencm *)((fb)->regkva + 0x7800))
#define CM2BLU(fb)      ((volatile struct rencm *)((fb)->regkva + 0x7C00))

struct rencm {
        uint8_t  :8, :8, :8;
        uint8_t value;
};

struct rboxfb {
        struct diofbreg regs;
        uint8_t filler2[16359];
        uint8_t wbusy;                  /* window mover is active     0x4047 */
        uint8_t filler3[0x405b - 0x4048];
        uint8_t scanbusy;               /* scan converteris active    0x405B */
        uint8_t filler3b[0x4083 - 0x405c];
        uint8_t video_enable;           /* drive vid. refresh bus     0x4083 */
        uint8_t filler4[3];
        uint8_t display_enable;         /* enable the display         0x4087 */
        uint8_t filler5[8];
        uint32_t write_enable;          /* write enable register      0x4090 */
        uint8_t filler6[11];
        uint8_t wmove;                  /* start window mover         0x409f */
        uint8_t filler7[3];
        uint8_t blink;                  /* blink register             0x40a3 */
        uint8_t filler8[15];
        uint8_t fold;                   /* fold  register             0x40b3 */
        uint32_t opwen;                 /* overlay plane write enable 0x40b4 */
        uint8_t filler9[3];
        uint8_t tmode;                  /* Tile mode size             0x40bb */
        uint8_t filler9a[3];
        uint8_t drive;                  /* drive register             0x40bf */
        uint8_t filler10[3];
        uint8_t vdrive;                 /* vdrive register            0x40c3 */
        uint8_t filler10a[0x40cb-0x40c4];
        uint8_t zconfig;                /* Z-buffer mode              0x40cb */
        uint8_t filler11a[2];
        uint16_t tpatt;                 /* Transparency pattern       0x40ce */
        uint8_t filler11b[3];
        uint8_t dmode;                  /* dither mode                0x40d3 */
        uint8_t filler11c[3];
        uint8_t en_scan;                /* enable scan board to DTACK 0x40d7 */
        uint8_t filler11d[0x40ef-0x40d8];
        uint8_t rep_rule;               /* replacement rule           0x40ef */
        uint8_t filler12[2];
        uint16_t source_x;              /* source x                   0x40f2 */
        uint8_t filler13[2];
        uint16_t source_y;              /* source y                   0x40f6 */
        uint8_t filler14[2];
        uint16_t dest_x;                /* dest x                     0x40fa */
        uint8_t filler15[2];
        uint16_t dest_y;                /* dest y                     0x40fe */
        uint8_t filler16[2];
        uint16_t wwidth;                /* window width               0x4102 */
        uint8_t filler17[2];
        uint16_t wheight;               /* window height              0x4106 */
        uint8_t filler18[18];
        uint16_t patt_x;                /* pattern x                  0x411a */
        uint8_t filler19[2];
        uint16_t patt_y;                /* pattern y                  0x411e */
        uint8_t filler20[0x8012 - 0x4120];
        uint16_t te_status;             /* transform engine status    0x8012 */
        uint8_t filler21[0x1ffff-0x8014];
};