1 /* 2 * Copyright (c) 1988 University of Utah. 3 * Copyright (c) 1990 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the Systems Programming Group of the University of Utah Computer 8 * Science Department. 9 * 10 * %sccs.include.redist.c% 11 * 12 * from: Utah $Hdr: ite_subr.c 1.1 89/02/17$ 13 * 14 * @(#)ite_subr.c 7.2 (Berkeley) 12/16/90 15 */ 16 17 #include "samachdep.h" 18 19 #ifdef ITECONSOLE 20 21 #include "sys/param.h" 22 #include "../dev/itevar.h" 23 #include "../dev/itereg.h" 24 25 ite_devinfo(ip) 26 struct ite_softc *ip; 27 { 28 struct fontinfo *fi; 29 struct font *fd; 30 31 fi = (struct fontinfo *) ((*FONTROM << 8 | *(FONTROM + 2)) + REGADDR); 32 fd = (struct font *) ((fi->haddr << 8 | fi->laddr) + REGADDR); 33 34 ip->ftheight = fd->fh; 35 ip->ftwidth = fd->fw; 36 ip->fbwidth = ITEREGS->fbwidth_h << 8 | ITEREGS->fbwidth_l; 37 ip->fbheight = ITEREGS->fbheight_h << 8 | ITEREGS->fbheight_l; 38 ip->dwidth = ITEREGS->dispwidth_h << 8 | ITEREGS->dispwidth_l; 39 ip->dheight = ITEREGS->dispheight_h << 8 | ITEREGS->dispheight_l; 40 ip->rows = ip->dheight / ip->ftheight; 41 ip->cols = ip->dwidth / ip->ftwidth; 42 43 if (ip->fbwidth > ip->dwidth) { 44 /* 45 * Stuff goes to right of display. 46 */ 47 ip->fontx = ip->dwidth; 48 ip->fonty = 0; 49 ip->cpl = (ip->fbwidth - ip->dwidth) / ip->ftwidth; 50 ip->cblankx = ip->dwidth; 51 ip->cblanky = ip->fonty + ((128 / ip->cpl) +1) * ip->ftheight; 52 } 53 else { 54 /* 55 * Stuff goes below the display. 56 */ 57 ip->fontx = 0; 58 ip->fonty = ip->dheight; 59 ip->cpl = ip->fbwidth / ip->ftwidth; 60 ip->cblankx = 0; 61 ip->cblanky = ip->fonty + ((128 / ip->cpl) + 1) * ip->ftheight; 62 } 63 } 64 65 ite_fontinit(ip) 66 register struct ite_softc *ip; 67 { 68 struct fontinfo *fi; 69 struct font *fd; 70 register u_char *fbmem, *dp; 71 register int bn; 72 int c, l, b; 73 74 fi = (struct fontinfo *) ((*FONTROM << 8 | *(FONTROM + 2)) + REGADDR); 75 fd = (struct font *) ((fi->haddr << 8 | fi->laddr) + REGADDR); 76 77 dp = fd->data; 78 79 for (c = 0; c < 128; c++) { 80 fbmem = (u_char *) FBBASE + 81 (ip->fonty + (c / ip->cpl) * ip->ftheight) * 82 ip->fbwidth; 83 fbmem += ip->fontx + (c % ip->cpl) * ip->ftwidth; 84 for (l = 0; l < ip->ftheight; l++) { 85 bn = 7; 86 for (b = 0; b < ip->ftwidth; b++) { 87 if ((1 << bn) & *dp) 88 *fbmem++ = 1; 89 else 90 *fbmem++ = 0; 91 if (--bn < 0) { 92 bn = 7; 93 dp += 2; 94 } 95 } 96 if (bn < 7) 97 dp += 2; 98 fbmem -= ip->ftwidth; 99 fbmem += ip->fbwidth; 100 } 101 } 102 103 } 104 #endif 105