pass flags from device close to l_close

[unix-history] / usr / src / sys / hp300 / dev / ite_gb.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 $Hdr: ite_gb.c 1.18 91/01/21$
*
*      @(#)ite_gb.c    7.5 (Berkeley) %G%
*/

#include "ite.h"
#if NITE > 0

#include "param.h"
#include "conf.h"
#include "proc.h"
#include "ioctl.h"
#include "tty.h"
#include "systm.h"

#include "itevar.h"
#include "itereg.h"
#include "grf_gbreg.h"

#include "machine/cpu.h"

/* XXX */
#include "grfioctl.h"
#include "grfvar.h"

#define REGBASE         ((struct gboxfb *)(ip->regbase))
#define WINDOWMOVER     gatorbox_windowmove

gatorbox_init(ip)
       register struct ite_softc *ip;
{
       /* XXX */
       if (ip->regbase == 0) {
               struct grf_softc *gp = &grf_softc[ip - ite_softc];
               ip->regbase = gp->g_regkva;
               ip->fbbase = gp->g_fbkva;
       }

       REGBASE->write_protect = 0x0;
       REGBASE->interrupt = 0x4;
       REGBASE->rep_rule = RR_COPY;
       REGBASE->blink1 = 0xff;
       REGBASE->blink2 = 0xff;
       gb_microcode(REGADDR);
       REGBASE->sec_interrupt = 0x01;

       /*
        * Set up the color map entries. We use three entries in the
        * color map. The first, is for black, the second is for
        * white, and the very last entry is for the inverted cursor.
        */
       REGBASE->creg_select = 0x00;
       REGBASE->cmap_red    = 0x00;
       REGBASE->cmap_grn    = 0x00;
       REGBASE->cmap_blu    = 0x00;
       REGBASE->cmap_write  = 0x00;
       gbcm_waitbusy(REGADDR);
       
       REGBASE->creg_select = 0x01;
       REGBASE->cmap_red    = 0xFF;
       REGBASE->cmap_grn    = 0xFF;
       REGBASE->cmap_blu    = 0xFF;
       REGBASE->cmap_write  = 0x01;
       gbcm_waitbusy(REGADDR);

       REGBASE->creg_select = 0xFF;
       REGBASE->cmap_red    = 0xFF;
       REGBASE->cmap_grn    = 0xFF;
       REGBASE->cmap_blu    = 0xFF;
       REGBASE->cmap_write  = 0x01;
       gbcm_waitbusy(REGADDR);

       ite_devinfo(ip);
       ite_fontinit(ip);

       /*
        * Clear the display. This used to be before the font unpacking
        * but it crashes. Figure it out later.
        */
       gatorbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
       tile_mover_waitbusy(REGADDR);

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

gatorbox_deinit(ip)
       struct ite_softc *ip;
{
       gatorbox_windowmove(ip, 0, 0, 0, 0,
                           ip->dheight, ip->dwidth, RR_CLEAR);
       tile_mover_waitbusy(REGADDR);

       ip->flags &= ~ITE_INITED;
}

gatorbox_putc(ip, c, dy, dx, mode)
       register struct ite_softc *ip;
       register int dy, dx;
       int c, mode;
{
       register int wrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);

       gatorbox_windowmove(ip, charY(ip, c), charX(ip, c),
                           dy * ip->ftheight, dx * ip->ftwidth,
                           ip->ftheight, ip->ftwidth, wrr);
}

gatorbox_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)
}

gatorbox_clear(ip, sy, sx, h, w)
       struct ite_softc *ip;
       register int sy, sx, h, w;
{
       gatorbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
                           sy * ip->ftheight, sx * ip->ftwidth, 
                           h  * ip->ftheight, w  * ip->ftwidth,
                           RR_CLEAR);
}
#define gatorbox_blockmove(ip, sy, sx, dy, dx, h, w) \
       gatorbox_windowmove((ip), \
                           (sy) * ip->ftheight, \
                           (sx) * ip->ftwidth, \
                           (dy) * ip->ftheight, \
                           (dx) * ip->ftwidth, \
                           (h)  * ip->ftheight, \
                           (w)  * ip->ftwidth, \
                           RR_COPY)

gatorbox_scroll(ip, sy, sx, count, dir)
       register struct ite_softc *ip;
       register int sy;
       int dir, sx, count;
{
       register int height, dy, i;
       
       tile_mover_waitbusy(REGADDR);
       REGBASE->write_protect = 0x0;
       
       gatorbox_cursor(ip, ERASE_CURSOR);

       if (dir == SCROLL_UP) {
               dy = sy - count;
               height = ip->rows - sy;
               for (i = 0; i < height; i++)
                       gatorbox_blockmove(ip, sy + i, sx, dy + i, 0,
                                          1, ip->cols);
       }
       else if (dir == SCROLL_DOWN) {
               dy = sy + count;
               height = ip->rows - dy;
               for (i = (height - 1); i >= 0; i--)
                       gatorbox_blockmove(ip, sy + i, sx, dy + i, 0,
                                          1, ip->cols);
       }
       else if (dir == SCROLL_RIGHT) {
               gatorbox_blockmove(ip, sy, sx, sy, sx + count,
                                  1, ip->cols - (sx + count));
       }
       else {
               gatorbox_blockmove(ip, sy, sx, sy, sx - count,
                                  1, ip->cols - sx);
       }               
}

gatorbox_windowmove(ip, sy, sx, dy, dx, h, w, mask)
    register struct ite_softc *ip;
    int sy, sx, dy, dx, mask;
    register int h, w;
{
       register int src, dest;

       src  = (sy * 1024) + sx;        /* upper left corner in pixels */
       dest = (dy * 1024) + dx;

       tile_mover_waitbusy(REGADDR);
       REGBASE->width = -(w / 4);
       REGBASE->height = -(h / 4);
       if (src < dest)
               REGBASE->rep_rule = MOVE_DOWN_RIGHT|mask;
       else {
               REGBASE->rep_rule = MOVE_UP_LEFT|mask;
               /*
                * Adjust to top of lower right tile of the block.
                */
               src = src + ((h - 4) * 1024) + (w - 4);
               dest= dest + ((h - 4) * 1024) + (w - 4);
       }
       FBBASE[dest] = FBBASE[src];
}
#endif