Annotation of sys/arch/hp300/stand/common/ite_gb.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: ite_gb.c,v 1.5 2006/08/17 06:31:10 miod Exp $ */
2: /* $NetBSD: ite_gb.c,v 1.8 1996/03/03 04:23:36 thorpej Exp $ */
3:
4: /*
5: * Copyright (c) 1988 University of Utah.
6: * Copyright (c) 1990, 1993
7: * The Regents of the University of California. All rights reserved.
8: *
9: * This code is derived from software contributed to Berkeley by
10: * the Systems Programming Group of the University of Utah Computer
11: * Science Department.
12: *
13: * Redistribution and use in source and binary forms, with or without
14: * modification, are permitted provided that the following conditions
15: * are met:
16: * 1. Redistributions of source code must retain the above copyright
17: * notice, this list of conditions and the following disclaimer.
18: * 2. Redistributions in binary form must reproduce the above copyright
19: * notice, this list of conditions and the following disclaimer in the
20: * documentation and/or other materials provided with the distribution.
21: * 3. Neither the name of the University nor the names of its contributors
22: * may be used to endorse or promote products derived from this software
23: * without specific prior written permission.
24: *
25: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35: * SUCH DAMAGE.
36: *
37: * from: Utah $Hdr: ite_gb.c 1.9 92/01/20$
38: *
39: * @(#)ite_gb.c 8.1 (Berkeley) 6/10/93
40: */
41:
42: #ifdef ITECONSOLE
43:
44: #include <sys/param.h>
45:
46: #include "samachdep.h"
47: #include "itevar.h"
48: #include "itereg.h"
49: #include "grf_gbreg.h"
50:
51: #define REGBASE ((struct gboxfb *)(ip->regbase))
52:
53: void gbox_windowmove(struct ite_data *, int, int, int, int,
54: int, int, int);
55:
56: void
57: gbox_init(struct ite_data *ip)
58: {
59: ip->bmv = gbox_windowmove;
60:
61: REGBASE->write_protect = 0x0;
62: REGBASE->interrupt = 0x4;
63: REGBASE->rep_rule = RR_COPY;
64: REGBASE->blink1 = 0xff;
65: REGBASE->blink2 = 0xff;
66: REGBASE->sec_interrupt = 0x01;
67:
68: /*
69: * Set up the color map entries. We use three entries in the
70: * color map. The first, is for black, the second is for
71: * white, and the very last entry is for the inverted cursor.
72: */
73: REGBASE->creg_select = 0x00;
74: REGBASE->cmap_red = 0x00;
75: REGBASE->cmap_grn = 0x00;
76: REGBASE->cmap_blu = 0x00;
77: REGBASE->cmap_write = 0x00;
78: gbcm_waitbusy(ip->regbase);
79:
80: REGBASE->creg_select = 0x01;
81: REGBASE->cmap_red = 0xFF;
82: REGBASE->cmap_grn = 0xFF;
83: REGBASE->cmap_blu = 0xFF;
84: REGBASE->cmap_write = 0x01;
85: gbcm_waitbusy(ip->regbase);
86:
87: REGBASE->creg_select = 0xFF;
88: REGBASE->cmap_red = 0xFF;
89: REGBASE->cmap_grn = 0xFF;
90: REGBASE->cmap_blu = 0xFF;
91: REGBASE->cmap_write = 0x01;
92: gbcm_waitbusy(ip->regbase);
93:
94: ite_fontinfo(ip);
95: ite_fontinit8bpp(ip);
96:
97: /*
98: * Clear the display. This used to be before the font unpacking
99: * but it crashes. Figure it out later.
100: */
101: gbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
102: tile_mover_waitbusy(ip->regbase);
103:
104: /*
105: * Stash the inverted cursor.
106: */
107: gbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
108: ip->cblanky, ip->cblankx, ip->ftheight,
109: ip->ftwidth, RR_COPYINVERTED);
110: }
111:
112: void
113: gbox_scroll(struct ite_data *ip)
114: {
115: tile_mover_waitbusy(ip->regbase);
116: REGBASE->write_protect = 0x0;
117:
118: ite_dio_scroll(ip);
119: }
120:
121: void
122: gbox_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx, int h,
123: int w, int mask)
124: {
125: int src, dest;
126:
127: src = (sy * 1024) + sx; /* upper left corner in pixels */
128: dest = (dy * 1024) + dx;
129:
130: tile_mover_waitbusy(ip->regbase);
131: REGBASE->width = -(w / 4);
132: REGBASE->height = -(h / 4);
133: if (src < dest)
134: REGBASE->rep_rule = MOVE_DOWN_RIGHT|mask;
135: else {
136: REGBASE->rep_rule = MOVE_UP_LEFT|mask;
137: /*
138: * Adjust to top of lower right tile of the block.
139: */
140: src = src + ((h - 4) * 1024) + (w - 4);
141: dest= dest + ((h - 4) * 1024) + (w - 4);
142: }
143: FBBASE[dest] = FBBASE[src];
144: }
145: #endif
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