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1.1 root 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: * 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.
25: *
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.
37: *
38: * from: Utah $Hdr: ite_subr.c 1.1 89/02/17$
39: *
40: * @(#)ite_subr.c 7.2 (Berkeley) 12/16/90
41: */
42:
43: #include "samachdep.h"
44:
45: #ifdef ITECONSOLE
46:
47: #include "sys/param.h"
48: #include "../dev/itevar.h"
49: #include "../dev/itereg.h"
50:
51: ite_devinfo(ip)
52: struct ite_softc *ip;
53: {
54: struct fontinfo *fi;
55: struct font *fd;
56:
57: fi = (struct fontinfo *) ((*FONTROM << 8 | *(FONTROM + 2)) + REGADDR);
58: fd = (struct font *) ((fi->haddr << 8 | fi->laddr) + REGADDR);
59:
60: ip->ftheight = fd->fh;
61: ip->ftwidth = fd->fw;
62: ip->fbwidth = ITEREGS->fbwidth_h << 8 | ITEREGS->fbwidth_l;
63: ip->fbheight = ITEREGS->fbheight_h << 8 | ITEREGS->fbheight_l;
64: ip->dwidth = ITEREGS->dispwidth_h << 8 | ITEREGS->dispwidth_l;
65: ip->dheight = ITEREGS->dispheight_h << 8 | ITEREGS->dispheight_l;
66: ip->rows = ip->dheight / ip->ftheight;
67: ip->cols = ip->dwidth / ip->ftwidth;
68:
69: if (ip->fbwidth > ip->dwidth) {
70: /*
71: * Stuff goes to right of display.
72: */
73: ip->fontx = ip->dwidth;
74: ip->fonty = 0;
75: ip->cpl = (ip->fbwidth - ip->dwidth) / ip->ftwidth;
76: ip->cblankx = ip->dwidth;
77: ip->cblanky = ip->fonty + ((128 / ip->cpl) +1) * ip->ftheight;
78: }
79: else {
80: /*
81: * Stuff goes below the display.
82: */
83: ip->fontx = 0;
84: ip->fonty = ip->dheight;
85: ip->cpl = ip->fbwidth / ip->ftwidth;
86: ip->cblankx = 0;
87: ip->cblanky = ip->fonty + ((128 / ip->cpl) + 1) * ip->ftheight;
88: }
89: }
90:
91: ite_fontinit(ip)
92: register struct ite_softc *ip;
93: {
94: struct fontinfo *fi;
95: struct font *fd;
96: register u_char *fbmem, *dp;
97: register int bn;
98: int c, l, b;
99:
100: fi = (struct fontinfo *) ((*FONTROM << 8 | *(FONTROM + 2)) + REGADDR);
101: fd = (struct font *) ((fi->haddr << 8 | fi->laddr) + REGADDR);
102:
103: dp = fd->data;
104:
105: for (c = 0; c < 128; c++) {
106: fbmem = (u_char *) FBBASE +
107: (ip->fonty + (c / ip->cpl) * ip->ftheight) *
108: ip->fbwidth;
109: fbmem += ip->fontx + (c % ip->cpl) * ip->ftwidth;
110: for (l = 0; l < ip->ftheight; l++) {
111: bn = 7;
112: for (b = 0; b < ip->ftwidth; b++) {
113: if ((1 << bn) & *dp)
114: *fbmem++ = 1;
115: else
116: *fbmem++ = 0;
117: if (--bn < 0) {
118: bn = 7;
119: dp += 2;
120: }
121: }
122: if (bn < 7)
123: dp += 2;
124: fbmem -= ip->ftwidth;
125: fbmem += ip->fbwidth;
126: }
127: }
128:
129: }
130: #endif
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