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 | * | |
| af359dea C |
10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification, are permitted provided that the following conditions | |
| 12 | * are met: | |
| 13 | * 1. Redistributions of source code must retain the above copyright | |
| 14 | * notice, this list of conditions and the following disclaimer. | |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 16 | * notice, this list of conditions and the following disclaimer in the | |
| 17 | * documentation and/or other materials provided with the distribution. | |
| 18 | * 3. All advertising materials mentioning features or use of this software | |
| 19 | * must display the following acknowledgement: | |
| 20 | * This product includes software developed by the University of | |
| 21 | * California, Berkeley and its contributors. | |
| 22 | * 4. Neither the name of the University nor the names of its contributors | |
| 23 | * may be used to endorse or promote products derived from this software | |
| 24 | * without specific prior written permission. | |
| 60f56dfc | 25 | * |
| af359dea C |
26 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 27 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 28 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 29 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 30 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 31 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 32 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 33 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 34 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 35 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 36 | * SUCH DAMAGE. | |
| 60f56dfc | 37 | * |
| 9dfbf7df | 38 | * from: Utah $Hdr: ite_subr.c 1.1 90/07/09$ |
| 60f56dfc | 39 | * |
| af359dea | 40 | * @(#)ite_subr.c 7.4 (Berkeley) 5/4/91 |
| 60f56dfc KM |
41 | */ |
| 42 | ||
| 43 | #include "ite.h" | |
| 44 | #if NITE > 0 | |
| 45 | ||
| 1c15e888 C |
46 | #include "param.h" |
| 47 | #include "conf.h" | |
| 1c15e888 C |
48 | #include "proc.h" |
| 49 | #include "ioctl.h" | |
| 50 | #include "tty.h" | |
| 51 | #include "systm.h" | |
| 60f56dfc KM |
52 | |
| 53 | #include "itevar.h" | |
| 54 | #include "itereg.h" | |
| 55 | ||
| 1c15e888 | 56 | #include "machine/cpu.h" |
| 60f56dfc KM |
57 | |
| 58 | ite_devinfo(ip) | |
| 59 | struct ite_softc *ip; | |
| 60 | { | |
| 61 | struct fontinfo *fi; | |
| 62 | struct font *fd; | |
| 63 | ||
| 64 | fi = (struct fontinfo *) ((*FONTROM << 8 | *(FONTROM + 2)) + REGADDR); | |
| 65 | fd = (struct font *) ((fi->haddr << 8 | fi->laddr) + REGADDR); | |
| 66 | ||
| 67 | ip->ftheight = fd->fh; | |
| 68 | ip->ftwidth = fd->fw; | |
| 69 | ip->fbwidth = ITEREGS->fbwidth_h << 8 | ITEREGS->fbwidth_l; | |
| 70 | ip->fbheight = ITEREGS->fbheight_h << 8 | ITEREGS->fbheight_l; | |
| 71 | ip->dwidth = ITEREGS->dispwidth_h << 8 | ITEREGS->dispwidth_l; | |
| 72 | ip->dheight = ITEREGS->dispheight_h << 8 | ITEREGS->dispheight_l; | |
| 73 | ip->rows = ip->dheight / ip->ftheight; | |
| 74 | ip->cols = ip->dwidth / ip->ftwidth; | |
| 75 | ||
| 76 | if (ip->fbwidth > ip->dwidth) { | |
| 77 | /* | |
| 78 | * Stuff goes to right of display. | |
| 79 | */ | |
| 80 | ip->fontx = ip->dwidth; | |
| 81 | ip->fonty = 0; | |
| 82 | ip->cpl = (ip->fbwidth - ip->dwidth) / ip->ftwidth; | |
| 83 | ip->cblankx = ip->dwidth; | |
| 84 | ip->cblanky = ip->fonty + ((128 / ip->cpl) +1) * ip->ftheight; | |
| 85 | } | |
| 86 | else { | |
| 87 | /* | |
| 88 | * Stuff goes below the display. | |
| 89 | */ | |
| 90 | ip->fontx = 0; | |
| 91 | ip->fonty = ip->dheight; | |
| 92 | ip->cpl = ip->fbwidth / ip->ftwidth; | |
| 93 | ip->cblankx = 0; | |
| 94 | ip->cblanky = ip->fonty + ((128 / ip->cpl) + 1) * ip->ftheight; | |
| 95 | } | |
| 96 | } | |
| 97 | ||
| 98 | ite_fontinit(ip) | |
| 99 | register struct ite_softc *ip; | |
| 100 | { | |
| 101 | struct fontinfo *fi; | |
| 102 | struct font *fd; | |
| 103 | register u_char *fbmem, *dp; | |
| 104 | register int bn; | |
| 105 | int c, l, b; | |
| 106 | ||
| 107 | fi = (struct fontinfo *) ((*FONTROM << 8 | *(FONTROM + 2)) + REGADDR); | |
| 108 | fd = (struct font *) ((fi->haddr << 8 | fi->laddr) + REGADDR); | |
| 109 | ||
| 110 | dp = fd->data; | |
| 111 | ||
| 112 | for (c = 0; c < 128; c++) { | |
| 113 | fbmem = (u_char *) FBBASE + | |
| 114 | (ip->fonty + (c / ip->cpl) * ip->ftheight) * | |
| 115 | ip->fbwidth; | |
| 116 | fbmem += ip->fontx + (c % ip->cpl) * ip->ftwidth; | |
| 117 | for (l = 0; l < ip->ftheight; l++) { | |
| 118 | bn = 7; | |
| 119 | for (b = 0; b < ip->ftwidth; b++) { | |
| 120 | if ((1 << bn) & *dp) | |
| 121 | *fbmem++ = 1; | |
| 122 | else | |
| 123 | *fbmem++ = 0; | |
| 124 | if (--bn < 0) { | |
| 125 | bn = 7; | |
| 126 | dp += 2; | |
| 127 | } | |
| 128 | } | |
| 129 | if (bn < 7) | |
| 130 | dp += 2; | |
| 131 | fbmem -= ip->ftwidth; | |
| 132 | fbmem += ip->fbwidth; | |
| 133 | } | |
| 134 | } | |
| 135 | ||
| 136 | } | |
| 137 | #endif |