/*      $NetBSD: ite_rb.c,v 1.12 2025/05/27 18:02:58 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 $Hdr: ite_rb.c 1.6 92/01/20$
*
*      @(#)ite_rb.c    8.1 (Berkeley) 6/10/93
*/

#ifdef ITECONSOLE

#include <sys/param.h>

#include <hp300/stand/common/itereg.h>
#include <hp300/stand/common/grf_rbreg.h>

#include <hp300/stand/common/samachdep.h>
#include <hp300/stand/common/itevar.h>

static void rbox_windowmove(struct ite_data *, int, int, int, int,
   int, int, int);

void
rbox_init(struct ite_data *ip)
{
       struct rboxfb *regbase = (void *)ip->regbase;
       int i;

       ip->bmv = rbox_windowmove;

       rb_waitbusy(regbase);
       DELAY(3000);

       regbase->interrupt = 0x04;
       regbase->display_enable = 0x01;
       regbase->video_enable = 0x01;
       regbase->drive = 0x01;
       regbase->vdrive = 0x0;

       ite_fontinfo(ip);

       regbase->opwen = 0xFF;

       /*
        * Clear the framebuffer.
        */
       rbox_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
       rb_waitbusy(regbase);

       for(i = 0; i < 16; i++) {
               *((char *)ip->regbase + 0x63c3 + i * 4) = 0x0;
               *((char *)ip->regbase + 0x6403 + i * 4) = 0x0;
               *((char *)ip->regbase + 0x6803 + i * 4) = 0x0;
               *((char *)ip->regbase + 0x6c03 + i * 4) = 0x0;
               *((char *)ip->regbase + 0x73c3 + i * 4) = 0x0;
               *((char *)ip->regbase + 0x7403 + i * 4) = 0x0;
               *((char *)ip->regbase + 0x7803 + i * 4) = 0x0;
               *((char *)ip->regbase + 0x7c03 + i * 4) = 0x0;
       }

       regbase->rep_rule = 0x33;

       /*
        * I cannot figure out how to make the blink planes stop. So, we
        * must set both colormaps so that when the planes blink, and
        * the secondary colormap is active, we still get text.
        */
       CM1RED[0x00].value = 0x00;
       CM1GRN[0x00].value = 0x00;
       CM1BLU[0x00].value = 0x00;
       CM1RED[0x01].value = 0xFF;
       CM1GRN[0x01].value = 0xFF;
       CM1BLU[0x01].value = 0xFF;

       CM2RED[0x00].value = 0x00;
       CM2GRN[0x00].value = 0x00;
       CM2BLU[0x00].value = 0x00;
       CM2RED[0x01].value = 0xFF;
       CM2GRN[0x01].value = 0xFF;
       CM2BLU[0x01].value = 0xFF;

       regbase->blink = 0x00;
       regbase->write_enable = 0x01;
       regbase->opwen = 0x00;

       ite_fontinit8bpp(ip);

       /*
        * Stash the inverted cursor.
        */
       rbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
                           ip->cblanky, ip->cblankx, ip->ftheight,
                           ip->ftwidth, RR_COPYINVERTED);
}

static void
rbox_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx, int h,
   int w, int func)
{
       struct rboxfb *rp = (void *)ip->regbase;

       if (h == 0 || w == 0)
               return;

       rb_waitbusy(rp);
       rp->rep_rule = func << 4 | func;
       rp->source_y = sy;
       rp->source_x = sx;
       rp->dest_y = dy;
       rp->dest_x = dx;
       rp->wheight = h;
       rp->wwidth  = w;
       rp->wmove = 1;
}
#endif