262 lines
6.8 KiB
C
262 lines
6.8 KiB
C
/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. 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 $Hdr: ite_dv.c 1.10 93/06/25$
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*
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* from: @(#)ite_dv.c 8.1 (Berkeley) 7/8/93
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* $Id: ite_dv.c,v 1.4 1994/05/25 11:48:28 mycroft Exp $
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*/
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#include "ite.h"
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#if NITE > 0
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#include <sys/param.h>
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#include <sys/conf.h>
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#include <sys/proc.h>
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#include <sys/ioctl.h>
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#include <sys/tty.h>
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#include <sys/systm.h>
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#include <hp300/dev/itevar.h>
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#include <hp300/dev/itereg.h>
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#include <hp300/dev/grf_dvreg.h>
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#include <machine/cpu.h>
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/* XXX */
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#include <hp300/dev/grfioctl.h>
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#include <hp300/dev/grfvar.h>
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#define REGBASE ((struct dvboxfb *)(ip->regbase))
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#define WINDOWMOVER dvbox_windowmove
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dvbox_init(ip)
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register struct ite_softc *ip;
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{
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int i;
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/* XXX */
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if (ip->regbase == 0) {
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struct grf_softc *gp = ip->grf;
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ip->regbase = gp->g_regkva;
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ip->fbbase = gp->g_fbkva;
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ip->fbwidth = gp->g_display.gd_fbwidth;
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ip->fbheight = gp->g_display.gd_fbheight;
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ip->dwidth = gp->g_display.gd_dwidth;
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ip->dheight = gp->g_display.gd_dheight;
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/*
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* XXX some displays (e.g. the davinci) appear
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* to return a display height greater than the
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* returned FB height. Guess we should go back
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* to getting the display dimensions from the
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* fontrom...
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*/
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if (ip->dwidth > ip->fbwidth)
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ip->dwidth = ip->fbwidth;
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if (ip->dheight > ip->fbheight)
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ip->dheight = ip->fbheight;
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}
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dv_reset(ip->regbase);
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/*
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* Turn on frame buffer, turn on overlay planes, set replacement
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* rule, enable top overlay plane writes for ite, disable all frame
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* buffer planes, set byte per pixel, and display frame buffer 0.
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* Lastly, turn on the box.
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*/
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REGBASE->interrupt = 0x04;
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REGBASE->drive = 0x10;
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REGBASE->rep_rule = RR_COPY << 4 | RR_COPY;
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REGBASE->opwen = 0x01;
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REGBASE->fbwen = 0x0;
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REGBASE->fold = 0x01;
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REGBASE->vdrive = 0x0;
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REGBASE->dispen = 0x01;
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/*
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* Video enable top overlay plane.
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*/
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REGBASE->opvenp = 0x01;
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REGBASE->opvens = 0x01;
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/*
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* Make sure that overlay planes override frame buffer planes.
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*/
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REGBASE->ovly0p = 0x0;
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REGBASE->ovly0s = 0x0;
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REGBASE->ovly1p = 0x0;
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REGBASE->ovly1s = 0x0;
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REGBASE->fv_trig = 0x1;
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DELAY(100);
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/*
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* Setup the overlay colormaps. Need to set the 0,1 (black/white)
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* color for both banks.
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*/
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for (i = 0; i <= 1; i++) {
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REGBASE->cmapbank = i;
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REGBASE->rgb[0].red = 0x00;
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REGBASE->rgb[0].green = 0x00;
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REGBASE->rgb[0].blue = 0x00;
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REGBASE->rgb[1].red = 0xFF;
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REGBASE->rgb[1].green = 0xFF;
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REGBASE->rgb[1].blue = 0xFF;
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}
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REGBASE->cmapbank = 0;
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db_waitbusy(ip->regbase);
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ite_fontinfo(ip);
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ite_fontinit(ip);
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/*
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* Clear the (visible) framebuffer.
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*/
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dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
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db_waitbusy(ip->regbase);
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/*
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* Stash the inverted cursor.
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*/
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dvbox_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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dvbox_deinit(ip)
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register struct ite_softc *ip;
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{
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dvbox_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
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db_waitbusy(ip->regbase);
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ip->flags &= ~ITE_INITED;
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}
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dvbox_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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dvbox_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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dvbox_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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dvbox_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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dvbox_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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dvbox_scroll(ip, sy, sx, count, dir)
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register struct ite_softc *ip;
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register int sy, count;
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int dir, sx;
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{
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register int dy;
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register int dx = sx;
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register int height = 1;
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register int width = ip->cols;
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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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}
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else if (dir == SCROLL_DOWN) {
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dy = sy + count;
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height = ip->rows - dy - 1;
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}
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else if (dir == SCROLL_RIGHT) {
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dy = sy;
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dx = sx + count;
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width = ip->cols - dx;
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}
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else {
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dy = sy;
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dx = sx - count;
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width = ip->cols - sx;
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}
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dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
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dy * ip->ftheight, dx * ip->ftwidth,
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height * ip->ftheight,
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width * ip->ftwidth, RR_COPY);
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}
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dvbox_windowmove(ip, sy, sx, dy, dx, h, w, func)
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struct ite_softc *ip;
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int sy, sx, dy, dx, h, w, func;
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{
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register struct dvboxfb *dp = REGBASE;
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if (h == 0 || w == 0)
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return;
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db_waitbusy(ip->regbase);
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dp->rep_rule = func << 4 | func;
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dp->source_y = sy;
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dp->source_x = sx;
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dp->dest_y = dy;
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dp->dest_x = dx;
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dp->wheight = h;
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dp->wwidth = w;
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dp->wmove = 1;
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}
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#endif
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