/*      $NetBSD: ite_tc.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 $Hdr: ite_tc.c 1.11 92/01/20$
*
*      @(#)ite_tc.c    8.1 (Berkeley) 6/10/93
*/

#ifdef ITECONSOLE

#include <sys/param.h>

#include <hp300/dev/diofbreg.h>
#include <hp300/stand/common/itereg.h>
#include <hp300/stand/common/grf_tcreg.h>

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

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

void
topcat_init(struct ite_data *ip)
{
       struct tcboxfb *regbase = (void *)ip->regbase;

       ip->bmv = topcat_windowmove;

       /*
        * Catseye looks a lot like a topcat, but not completely.
        * So, we set some bits to make it work.
        */
       if (regbase->fbid != GID_TOPCAT) {
               while ((regbase->catseye_status & 1))
                       ;
               regbase->catseye_status = 0x0;
               regbase->vb_select      = 0x0;
               regbase->tcntrl         = 0x0;
               regbase->acntrl         = 0x0;
               regbase->pncntrl        = 0x0;
               regbase->rug_cmdstat    = 0x90;
       }

       /*
        * Determine the number of planes by writing to the first frame
        * buffer display location, then reading it back.
        */
       regbase->wen = ~0;
       regbase->fben = ~0;
       regbase->prr = RR_COPY;
       *FBBASE = 0xFF;
       ip->planemask = *FBBASE;

       /*
        * Enable reading/writing of all the planes.
        */
       regbase->fben = ip->planemask;
       regbase->wen  = ip->planemask;
       regbase->ren  = ip->planemask;
       regbase->prr  = RR_COPY;

       ite_fontinfo(ip);

       /*
        * Clear the framebuffer on all planes.
        */
       topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
       tc_waitbusy(regbase, ip->planemask);

       ite_fontinit8bpp(ip);

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

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

       if (h == 0 || w == 0)
               return;
       tc_waitbusy(rp, ip->planemask);
       rp->wmrr     = 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    = ip->planemask;
}
#endif