projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 60f56dfc KM |
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 $Hdr: ite_subr.c 1.3 89/04/11$ | |
| 13 | * | |
| 14 | * @(#)ite_subr.c 7.1 (Berkeley) %G% | |
| 15 | */ | |
| 16 | ||
| 17 | #include "ite.h" | |
| 18 | #if NITE > 0 | |
| 19 | ||
| 20 | #include "param.h" | |
| 21 | #include "conf.h" | |
| 22 | #include "user.h" | |
| 23 | #include "proc.h" | |
| 24 | #include "ioctl.h" | |
| 25 | #include "tty.h" | |
| 26 | #include "systm.h" | |
| 27 | #include "uio.h" | |
| 28 | ||
| 29 | #include "itevar.h" | |
| 30 | #include "itereg.h" | |
| 31 | ||
| 32 | #include "machine/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 |