138 lines
4.2 KiB
C
138 lines
4.2 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 $Hdr: ite_subr.c 1.1 90/07/09$
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*
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* @(#)ite_subr.c 7.4 (Berkeley) 5/4/91
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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 "machine/cpu.h"
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ite_devinfo(ip)
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struct ite_softc *ip;
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{
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struct fontinfo *fi;
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struct font *fd;
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fi = (struct fontinfo *) ((*FONTROM << 8 | *(FONTROM + 2)) + REGADDR);
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fd = (struct font *) ((fi->haddr << 8 | fi->laddr) + REGADDR);
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ip->ftheight = fd->fh;
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ip->ftwidth = fd->fw;
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ip->fbwidth = ITEREGS->fbwidth_h << 8 | ITEREGS->fbwidth_l;
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ip->fbheight = ITEREGS->fbheight_h << 8 | ITEREGS->fbheight_l;
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ip->dwidth = ITEREGS->dispwidth_h << 8 | ITEREGS->dispwidth_l;
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ip->dheight = ITEREGS->dispheight_h << 8 | ITEREGS->dispheight_l;
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ip->rows = ip->dheight / ip->ftheight;
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ip->cols = ip->dwidth / ip->ftwidth;
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if (ip->fbwidth > ip->dwidth) {
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/*
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* Stuff goes to right of display.
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*/
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ip->fontx = ip->dwidth;
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ip->fonty = 0;
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ip->cpl = (ip->fbwidth - ip->dwidth) / ip->ftwidth;
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ip->cblankx = ip->dwidth;
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ip->cblanky = ip->fonty + ((128 / ip->cpl) +1) * ip->ftheight;
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}
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else {
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/*
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* Stuff goes below the display.
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*/
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ip->fontx = 0;
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ip->fonty = ip->dheight;
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ip->cpl = ip->fbwidth / ip->ftwidth;
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ip->cblankx = 0;
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ip->cblanky = ip->fonty + ((128 / ip->cpl) + 1) * ip->ftheight;
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}
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}
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ite_fontinit(ip)
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register struct ite_softc *ip;
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{
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struct fontinfo *fi;
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struct font *fd;
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register u_char *fbmem, *dp;
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register int bn;
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int c, l, b;
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fi = (struct fontinfo *) ((*FONTROM << 8 | *(FONTROM + 2)) + REGADDR);
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fd = (struct font *) ((fi->haddr << 8 | fi->laddr) + REGADDR);
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dp = fd->data;
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for (c = 0; c < 128; c++) {
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fbmem = (u_char *) FBBASE +
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(ip->fonty + (c / ip->cpl) * ip->ftheight) *
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ip->fbwidth;
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fbmem += ip->fontx + (c % ip->cpl) * ip->ftwidth;
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for (l = 0; l < ip->ftheight; l++) {
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bn = 7;
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for (b = 0; b < ip->ftwidth; b++) {
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if ((1 << bn) & *dp)
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*fbmem++ = 1;
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else
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*fbmem++ = 0;
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if (--bn < 0) {
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bn = 7;
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dp += 2;
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}
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}
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if (bn < 7)
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dp += 2;
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fbmem -= ip->ftwidth;
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fbmem += ip->fbwidth;
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}
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}
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}
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#endif
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