/* * 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. * * Redistribution is only permitted until one year after the first shipment * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and * binary forms are permitted provided that: (1) source distributions retain * this entire copyright notice and comment, and (2) distributions including * binaries display the following acknowledgement: This product includes * software developed by the University of California, Berkeley and its * contributors'' in the documentation or other materials provided with the * distribution and in all advertising materials mentioning features or use * of this software. 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 AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * from: Utah $Hdr: ite_subr.c 1.3 89/04/11$ * * @(#)ite_subr.c 7.1 (Berkeley) 5/8/90 */ #include "ite.h" #if NITE > 0 #include "param.h" #include "conf.h" #include "user.h" #include "proc.h" #include "ioctl.h" #include "tty.h" #include "systm.h" #include "uio.h" #include "itevar.h" #include "itereg.h" #include "machine/cpu.h" ite_devinfo(ip) struct ite_softc *ip; { struct fontinfo *fi; struct font *fd; fi = (struct fontinfo *) ((*FONTROM << 8 | *(FONTROM + 2)) + REGADDR); fd = (struct font *) ((fi->haddr << 8 | fi->laddr) + REGADDR); ip->ftheight = fd->fh; ip->ftwidth = fd->fw; ip->fbwidth = ITEREGS->fbwidth_h << 8 | ITEREGS->fbwidth_l; ip->fbheight = ITEREGS->fbheight_h << 8 | ITEREGS->fbheight_l; ip->dwidth = ITEREGS->dispwidth_h << 8 | ITEREGS->dispwidth_l; ip->dheight = ITEREGS->dispheight_h << 8 | ITEREGS->dispheight_l; ip->rows = ip->dheight / ip->ftheight; ip->cols = ip->dwidth / ip->ftwidth; if (ip->fbwidth > ip->dwidth) { /* * Stuff goes to right of display. */ ip->fontx = ip->dwidth; ip->fonty = 0; ip->cpl = (ip->fbwidth - ip->dwidth) / ip->ftwidth; ip->cblankx = ip->dwidth; ip->cblanky = ip->fonty + ((128 / ip->cpl) +1) * ip->ftheight; } else { /* * Stuff goes below the display. */ ip->fontx = 0; ip->fonty = ip->dheight; ip->cpl = ip->fbwidth / ip->ftwidth; ip->cblankx = 0; ip->cblanky = ip->fonty + ((128 / ip->cpl) + 1) * ip->ftheight; } } ite_fontinit(ip) register struct ite_softc *ip; { struct fontinfo *fi; struct font *fd; register u_char *fbmem, *dp; register int bn; int c, l, b; fi = (struct fontinfo *) ((*FONTROM << 8 | *(FONTROM + 2)) + REGADDR); fd = (struct font *) ((fi->haddr << 8 | fi->laddr) + REGADDR); dp = fd->data; for (c = 0; c < 128; c++) { fbmem = (u_char *) FBBASE + (ip->fonty + (c / ip->cpl) * ip->ftheight) * ip->fbwidth; fbmem += ip->fontx + (c % ip->cpl) * ip->ftwidth; for (l = 0; l < ip->ftheight; l++) { bn = 7; for (b = 0; b < ip->ftwidth; b++) { if ((1 << bn) & *dp) *fbmem++ = 1; else *fbmem++ = 0; if (--bn < 0) { bn = 7; dp += 2; } } if (bn < 7) dp += 2; fbmem -= ip->ftwidth; fbmem += ip->fbwidth; } } } #endif