/* $OpenBSD: ite_dv.c,v 1.1 1997/07/14 08:14:18 downsj Exp $ */ /* $NetBSD: ite_dv.c,v 1.8 1996/03/03 04:23:35 thorpej 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. 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 $Hdr: ite_dv.c 1.2 92/01/20$ * * @(#)ite_dv.c 8.1 (Berkeley) 6/10/93 */ #include "samachdep.h" #ifdef ITECONSOLE #include #include "itevar.h" #include #include #define REGBASE ((struct dvboxfb *)(ip->regbase)) #define WINDOWMOVER dvbox_windowmove void dvbox_windowmove __P((struct ite_data *, int, int, int, int, int, int, int)); void dvbox_init(ip) struct ite_data *ip; { int i; dv_reset(ip->regbase); DELAY(4000); /* * Turn on frame buffer, turn on overlay planes, set replacement * rule, enable top overlay plane writes for ite, disable all frame * buffer planes, set byte per pixel, and display frame buffer 0. * Lastly, turn on the box. */ REGBASE->interrupt = 0x04; REGBASE->drive = 0x10; REGBASE->rep_rule = RR_COPY << 4 | RR_COPY; REGBASE->opwen = 0x01; REGBASE->fbwen = 0x0; REGBASE->fold = 0x01; REGBASE->vdrive = 0x0; REGBASE->dispen = 0x01; /* * Video enable top overlay plane. */ REGBASE->opvenp = 0x01; REGBASE->opvens = 0x01; /* * Make sure that overlay planes override frame buffer planes. */ REGBASE->ovly0p = 0x0; REGBASE->ovly0s = 0x0; REGBASE->ovly1p = 0x0; REGBASE->ovly1s = 0x0; REGBASE->fv_trig = 0x1; DELAY(400); /* * Setup the overlay colormaps. Need to set the 0,1 (black/white) * color for both banks. */ for (i = 0; i <= 1; i++) { REGBASE->cmapbank = i; REGBASE->rgb[0].red = 0x00; REGBASE->rgb[0].green = 0x00; REGBASE->rgb[0].blue = 0x00; REGBASE->rgb[1].red = 0xFF; REGBASE->rgb[1].green = 0xFF; REGBASE->rgb[1].blue = 0xFF; } REGBASE->cmapbank = 0; db_waitbusy(ip->regbase); ite_fontinfo(ip); ite_fontinit(ip); /* * Clear the (visible) framebuffer. */ dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR); db_waitbusy(ip->regbase); /* * Stash the inverted cursor. */ dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '), ip->cblanky, ip->cblankx, ip->ftheight, ip->ftwidth, RR_COPYINVERTED); db_waitbusy(ip->regbase); } void dvbox_putc(ip, c, dy, dx, mode) register struct ite_data *ip; register int dy, dx; int c, mode; { dvbox_windowmove(ip, charY(ip, c), charX(ip, c), dy * ip->ftheight, dx * ip->ftwidth, ip->ftheight, ip->ftwidth, RR_COPY); } void dvbox_cursor(ip, flag) register struct ite_data *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) } void dvbox_clear(ip, sy, sx, h, w) struct ite_data *ip; register int sy, sx, h, w; { dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, sy * ip->ftheight, sx * ip->ftwidth, h * ip->ftheight, w * ip->ftwidth, RR_CLEAR); } void dvbox_scroll(ip, sy, sx, count, dir) register struct ite_data *ip; register int sy, count; int dir, sx; { register int dy = sy - count; register int height = ip->rows - sy; dvbox_cursor(ip, ERASE_CURSOR); dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, dy * ip->ftheight, sx * ip->ftwidth, height * ip->ftheight, ip->cols * ip->ftwidth, RR_COPY); } void dvbox_windowmove(ip, sy, sx, dy, dx, h, w, func) struct ite_data *ip; int sy, sx, dy, dx, h, w, func; { register struct dvboxfb *dp = REGBASE; if (h == 0 || w == 0) return; db_waitbusy(ip->regbase); dp->rep_rule = func << 4 | func; dp->source_y = sy; dp->source_x = sx; dp->dest_y = dy; dp->dest_x = dx; dp->wheight = h; dp->wwidth = w; dp->wmove = 1; } dv_reset(dbp) register struct dvboxfb *dbp; { dbp->reset = 0x80; DELAY(400); dbp->interrupt = 0x04; dbp->en_scan = 0x01; dbp->fbwen = ~0; dbp->opwen = ~0; dbp->fold = 0x01; dbp->drive = 0x01; dbp->rep_rule = 0x33; dbp->alt_rr = 0x33; dbp->zrr = 0x33; dbp->fbvenp = 0xFF; dbp->dispen = 0x01; dbp->fbvens = 0x0; dbp->fv_trig = 0x01; DELAY(400); dbp->vdrive = 0x0; dbp->zconfig = 0x0; while (dbp->wbusy & 0x01) DELAY(400); /* * Start of missing ROM code. */ dbp->cmapbank = 0; dbp->red0 = 0; dbp->red1 = 0; dbp->green0 = 0; dbp->green1 = 0; dbp->blue0 = 0; dbp->blue1 = 0; dbp->panxh = 0; dbp->panxl = 0; dbp->panyh = 0; dbp->panyl = 0; dbp->zoom = 0; dbp->cdwidth = 0x50; dbp->chstart = 0x52; dbp->cvwidth = 0x22; dbp->pz_trig = 1; /* * End of missing ROM code. */ } #endif