update from Mike Hibler for new VM and other machine support

[unix-history] / usr / src / sys / hp300 / stand / ite_tc.c

/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990 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.
*
* %sccs.include.redist.c%
*
* from: Utah $Hdr: ite_tc.c 1.9 89/02/20$
*
*      @(#)ite_tc.c    7.1 (Berkeley) %G%
*/

#include "samachdep.h"

#ifdef ITECONSOLE

#include "param.h"
#include "../hpdev/itevar.h"
#include "../hpdev/itereg.h"
#include "../hpdev/grfvar.h"
#include "../hpdev/grf_tcreg.h"

#define REGBASE         ((struct tcboxfb *)(ip->regbase))
#define WINDOWMOVER     topcat_windowmove

topcat_init(ip)
       register struct ite_softc *ip;
{

       /*
        * 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_devinfo(ip);

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

       ite_fontinit(ip);

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

topcat_putc(ip, c, dy, dx, mode)
       register struct ite_softc *ip;
       register int dy, dx;
       int c, mode;
{
       topcat_windowmove(ip, charY(ip, c), charX(ip, c),
                         dy * ip->ftheight, dx * ip->ftwidth,
                         ip->ftheight, ip->ftwidth, RR_COPY);
}

topcat_cursor(ip, flag)
       register struct ite_softc *ip;
       register int flag;
{
       if (flag == DRAW_CURSOR)
               draw_cursor(ip)
       else if (flag == MOVE_CURSOR) {
               erase_cursor(ip)
               draw_cursor(ip)
       }
       else
               erase_cursor(ip)
}

topcat_clear(ip, sy, sx, h, w)
       struct ite_softc *ip;
       register int sy, sx, h, w;
{
       topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
                         sy * ip->ftheight, sx * ip->ftwidth, 
                         h  * ip->ftheight, w  * ip->ftwidth,
                         RR_CLEAR);
}

topcat_scroll(ip, sy, sx, count, dir)
       register struct ite_softc *ip;
       register int sy, count;
       int dir, sx;
{
       register int dy = sy - count;
       register int height = ip->rows - sy;

       topcat_cursor(ip, ERASE_CURSOR);

       topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
                         dy * ip->ftheight, sx * ip->ftwidth,
                         height * ip->ftheight,
                         ip->cols  * ip->ftwidth, RR_COPY);
}

topcat_windowmove(ip, sy, sx, dy, dx, h, w, func)
       struct ite_softc *ip;
       int sy, sx, dy, dx, h, w, func;
{
       register struct tcboxfb *rp = REGBASE;
       
       if (h == 0 || w == 0)
               return;
       tc_waitbusy(REGADDR, 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