245 lines
6.7 KiB
C
245 lines
6.7 KiB
C
/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Utah $Hdr: ite_gb.c 1.18 91/01/21$
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*
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* @(#)ite_gb.c 7.5 (Berkeley) 5/7/91
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*/
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#include "ite.h"
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#if NITE > 0
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#include "param.h"
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#include "conf.h"
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#include "proc.h"
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#include "ioctl.h"
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#include "tty.h"
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#include "systm.h"
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#include "itevar.h"
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#include "itereg.h"
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#include "grf_gbreg.h"
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#include "machine/cpu.h"
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/* XXX */
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#include "grfioctl.h"
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#include "grfvar.h"
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#define REGBASE ((struct gboxfb *)(ip->regbase))
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#define WINDOWMOVER gatorbox_windowmove
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gatorbox_init(ip)
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register struct ite_softc *ip;
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{
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/* XXX */
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if (ip->regbase == 0) {
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struct grf_softc *gp = &grf_softc[ip - ite_softc];
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ip->regbase = gp->g_regkva;
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ip->fbbase = gp->g_fbkva;
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}
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REGBASE->write_protect = 0x0;
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REGBASE->interrupt = 0x4;
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REGBASE->rep_rule = RR_COPY;
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REGBASE->blink1 = 0xff;
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REGBASE->blink2 = 0xff;
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gb_microcode(REGADDR);
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REGBASE->sec_interrupt = 0x01;
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/*
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* Set up the color map entries. We use three entries in the
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* color map. The first, is for black, the second is for
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* white, and the very last entry is for the inverted cursor.
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*/
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REGBASE->creg_select = 0x00;
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REGBASE->cmap_red = 0x00;
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REGBASE->cmap_grn = 0x00;
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REGBASE->cmap_blu = 0x00;
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REGBASE->cmap_write = 0x00;
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gbcm_waitbusy(REGADDR);
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REGBASE->creg_select = 0x01;
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REGBASE->cmap_red = 0xFF;
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REGBASE->cmap_grn = 0xFF;
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REGBASE->cmap_blu = 0xFF;
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REGBASE->cmap_write = 0x01;
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gbcm_waitbusy(REGADDR);
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REGBASE->creg_select = 0xFF;
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REGBASE->cmap_red = 0xFF;
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REGBASE->cmap_grn = 0xFF;
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REGBASE->cmap_blu = 0xFF;
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REGBASE->cmap_write = 0x01;
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gbcm_waitbusy(REGADDR);
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ite_devinfo(ip);
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ite_fontinit(ip);
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/*
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* Clear the display. This used to be before the font unpacking
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* but it crashes. Figure it out later.
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*/
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gatorbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
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tile_mover_waitbusy(REGADDR);
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/*
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* Stash the inverted cursor.
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*/
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gatorbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
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ip->cblanky, ip->cblankx, ip->ftheight,
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ip->ftwidth, RR_COPYINVERTED);
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}
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gatorbox_deinit(ip)
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struct ite_softc *ip;
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{
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gatorbox_windowmove(ip, 0, 0, 0, 0,
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ip->dheight, ip->dwidth, RR_CLEAR);
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tile_mover_waitbusy(REGADDR);
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ip->flags &= ~ITE_INITED;
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}
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gatorbox_putc(ip, c, dy, dx, mode)
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register struct ite_softc *ip;
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register int dy, dx;
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int c, mode;
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{
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register int wrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
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gatorbox_windowmove(ip, charY(ip, c), charX(ip, c),
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dy * ip->ftheight, dx * ip->ftwidth,
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ip->ftheight, ip->ftwidth, wrr);
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}
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gatorbox_cursor(ip, flag)
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register struct ite_softc *ip;
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register int flag;
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{
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if (flag == DRAW_CURSOR)
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draw_cursor(ip)
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else if (flag == MOVE_CURSOR) {
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erase_cursor(ip)
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draw_cursor(ip)
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}
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else
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erase_cursor(ip)
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}
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gatorbox_clear(ip, sy, sx, h, w)
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struct ite_softc *ip;
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register int sy, sx, h, w;
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{
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gatorbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
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sy * ip->ftheight, sx * ip->ftwidth,
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h * ip->ftheight, w * ip->ftwidth,
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RR_CLEAR);
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}
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#define gatorbox_blockmove(ip, sy, sx, dy, dx, h, w) \
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gatorbox_windowmove((ip), \
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(sy) * ip->ftheight, \
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(sx) * ip->ftwidth, \
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(dy) * ip->ftheight, \
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(dx) * ip->ftwidth, \
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(h) * ip->ftheight, \
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(w) * ip->ftwidth, \
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RR_COPY)
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gatorbox_scroll(ip, sy, sx, count, dir)
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register struct ite_softc *ip;
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register int sy;
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int dir, sx, count;
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{
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register int height, dy, i;
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tile_mover_waitbusy(REGADDR);
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REGBASE->write_protect = 0x0;
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gatorbox_cursor(ip, ERASE_CURSOR);
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if (dir == SCROLL_UP) {
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dy = sy - count;
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height = ip->rows - sy;
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for (i = 0; i < height; i++)
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gatorbox_blockmove(ip, sy + i, sx, dy + i, 0,
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1, ip->cols);
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}
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else if (dir == SCROLL_DOWN) {
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dy = sy + count;
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height = ip->rows - dy;
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for (i = (height - 1); i >= 0; i--)
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gatorbox_blockmove(ip, sy + i, sx, dy + i, 0,
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1, ip->cols);
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}
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else if (dir == SCROLL_RIGHT) {
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gatorbox_blockmove(ip, sy, sx, sy, sx + count,
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1, ip->cols - (sx + count));
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}
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else {
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gatorbox_blockmove(ip, sy, sx, sy, sx - count,
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1, ip->cols - sx);
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}
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}
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gatorbox_windowmove(ip, sy, sx, dy, dx, h, w, mask)
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register struct ite_softc *ip;
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int sy, sx, dy, dx, mask;
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register int h, w;
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{
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register int src, dest;
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src = (sy * 1024) + sx; /* upper left corner in pixels */
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dest = (dy * 1024) + dx;
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tile_mover_waitbusy(REGADDR);
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REGBASE->width = -(w / 4);
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REGBASE->height = -(h / 4);
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if (src < dest)
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REGBASE->rep_rule = MOVE_DOWN_RIGHT|mask;
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else {
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REGBASE->rep_rule = MOVE_UP_LEFT|mask;
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/*
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* Adjust to top of lower right tile of the block.
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*/
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src = src + ((h - 4) * 1024) + (w - 4);
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dest= dest + ((h - 4) * 1024) + (w - 4);
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}
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FBBASE[dest] = FBBASE[src];
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}
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#endif
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