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 $Hdr: ite_subr.c 1.1 90/07/09$ 13 * 14 * @(#)ite_subr.c 7.3 (Berkeley) 12/16/90 15 */ 16 17 #include "ite.h" 18 #if NITE > 0 19 20 #include "sys/param.h" 21 #include "sys/conf.h" 22 #include "sys/user.h" 23 #include "sys/proc.h" 24 #include "sys/ioctl.h" 25 #include "sys/tty.h" 26 #include "sys/systm.h" 27 #include "sys/uio.h" 28 29 #include "itevar.h" 30 #include "itereg.h" 31 32 #include "../include/cpu.h" 33 34 ite_devinfo(ip) 35 struct ite_softc *ip; 36 { 37 struct fontinfo *fi; 38 struct font *fd; 39 40 fi = (struct fontinfo *) ((*FONTROM << 8 | *(FONTROM + 2)) + REGADDR); 41 fd = (struct font *) ((fi->haddr << 8 | fi->laddr) + REGADDR); 42 43 ip->ftheight = fd->fh; 44 ip->ftwidth = fd->fw; 45 ip->fbwidth = ITEREGS->fbwidth_h << 8 | ITEREGS->fbwidth_l; 46 ip->fbheight = ITEREGS->fbheight_h << 8 | ITEREGS->fbheight_l; 47 ip->dwidth = ITEREGS->dispwidth_h << 8 | ITEREGS->dispwidth_l; 48 ip->dheight = ITEREGS->dispheight_h << 8 | ITEREGS->dispheight_l; 49 ip->rows = ip->dheight / ip->ftheight; 50 ip->cols = ip->dwidth / ip->ftwidth; 51 52 if (ip->fbwidth > ip->dwidth) { 53 /* 54 * Stuff goes to right of display. 55 */ 56 ip->fontx = ip->dwidth; 57 ip->fonty = 0; 58 ip->cpl = (ip->fbwidth - ip->dwidth) / ip->ftwidth; 59 ip->cblankx = ip->dwidth; 60 ip->cblanky = ip->fonty + ((128 / ip->cpl) +1) * ip->ftheight; 61 } 62 else { 63 /* 64 * Stuff goes below the display. 65 */ 66 ip->fontx = 0; 67 ip->fonty = ip->dheight; 68 ip->cpl = ip->fbwidth / ip->ftwidth; 69 ip->cblankx = 0; 70 ip->cblanky = ip->fonty + ((128 / ip->cpl) + 1) * ip->ftheight; 71 } 72 } 73 74 ite_fontinit(ip) 75 register struct ite_softc *ip; 76 { 77 struct fontinfo *fi; 78 struct font *fd; 79 register u_char *fbmem, *dp; 80 register int bn; 81 int c, l, b; 82 83 fi = (struct fontinfo *) ((*FONTROM << 8 | *(FONTROM + 2)) + REGADDR); 84 fd = (struct font *) ((fi->haddr << 8 | fi->laddr) + REGADDR); 85 86 dp = fd->data; 87 88 for (c = 0; c < 128; c++) { 89 fbmem = (u_char *) FBBASE + 90 (ip->fonty + (c / ip->cpl) * ip->ftheight) * 91 ip->fbwidth; 92 fbmem += ip->fontx + (c % ip->cpl) * ip->ftwidth; 93 for (l = 0; l < ip->ftheight; l++) { 94 bn = 7; 95 for (b = 0; b < ip->ftwidth; b++) { 96 if ((1 << bn) & *dp) 97 *fbmem++ = 1; 98 else 99 *fbmem++ = 0; 100 if (--bn < 0) { 101 bn = 7; 102 dp += 2; 103 } 104 } 105 if (bn < 7) 106 dp += 2; 107 fbmem -= ip->ftwidth; 108 fbmem += ip->fbwidth; 109 } 110 } 111 112 } 113 #endif 114