1 /* $NetBSD: ite_gb.c,v 1.10 2011/02/10 12:46:22 tsutsui Exp $ */
2
3 /*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1990, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * from: Utah $Hdr: ite_gb.c 1.9 92/01/20$
37 *
38 * @(#)ite_gb.c 8.1 (Berkeley) 6/10/93
39 */
40
41 #ifdef ITECONSOLE
42
43 #include <sys/param.h>
44
45 #include <hp300/stand/common/itereg.h>
46 #include <hp300/stand/common/grf_gbreg.h>
47
48 #include <hp300/stand/common/samachdep.h>
49 #include <hp300/stand/common/itevar.h>
50
51 void gbox_windowmove(struct ite_data *, int, int, int, int, int, int, int);
52
53 void
gbox_init(struct ite_data * ip)54 gbox_init(struct ite_data *ip)
55 {
56 struct gboxfb *regbase = (void *)ip->regbase;
57
58 ip->bmv = gbox_windowmove;
59
60 regbase->write_protect = 0x0;
61 regbase->interrupt = 0x4;
62 regbase->rep_rule = RR_COPY;
63 regbase->blink1 = 0xff;
64 regbase->blink2 = 0xff;
65 regbase->sec_interrupt = 0x01;
66
67 /*
68 * Set up the color map entries. We use three entries in the
69 * color map. The first, is for black, the second is for
70 * white, and the very last entry is for the inverted cursor.
71 */
72 regbase->creg_select = 0x00;
73 regbase->cmap_red = 0x00;
74 regbase->cmap_grn = 0x00;
75 regbase->cmap_blu = 0x00;
76 regbase->cmap_write = 0x00;
77 gbcm_waitbusy(regbase);
78
79 regbase->creg_select = 0x01;
80 regbase->cmap_red = 0xFF;
81 regbase->cmap_grn = 0xFF;
82 regbase->cmap_blu = 0xFF;
83 regbase->cmap_write = 0x01;
84 gbcm_waitbusy(regbase);
85
86 regbase->creg_select = 0xFF;
87 regbase->cmap_red = 0xFF;
88 regbase->cmap_grn = 0xFF;
89 regbase->cmap_blu = 0xFF;
90 regbase->cmap_write = 0x01;
91 gbcm_waitbusy(regbase);
92
93 ite_fontinfo(ip);
94 ite_fontinit8bpp(ip);
95
96 /*
97 * Clear the display. This used to be before the font unpacking
98 * but it crashes. Figure it out later.
99 */
100 gbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
101 tile_mover_waitbusy(regbase);
102
103 /*
104 * Stash the inverted cursor.
105 */
106 gbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
107 ip->cblanky, ip->cblankx, ip->ftheight,
108 ip->ftwidth, RR_COPYINVERTED);
109 }
110
111 void
gbox_scroll(struct ite_data * ip)112 gbox_scroll(struct ite_data *ip)
113 {
114 struct gboxfb *regbase = (void *)ip->regbase;
115
116 tile_mover_waitbusy(regbase);
117 regbase->write_protect = 0x0;
118
119 ite_dio_scroll(ip);
120 }
121
122 void
gbox_windowmove(struct ite_data * ip,int sy,int sx,int dy,int dx,int h,int w,int mask)123 gbox_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx, int h,
124 int w, int mask)
125 {
126 struct gboxfb *regbase = (void *)ip->regbase;
127 int src, dest;
128
129 src = (sy * 1024) + sx; /* upper left corner in pixels */
130 dest = (dy * 1024) + dx;
131
132 tile_mover_waitbusy(regbase);
133 regbase->width = -(w / 4);
134 regbase->height = -(h / 4);
135 if (src < dest)
136 regbase->rep_rule = MOVE_DOWN_RIGHT|mask;
137 else {
138 regbase->rep_rule = MOVE_UP_LEFT|mask;
139 /*
140 * Adjust to top of lower right tile of the block.
141 */
142 src = src + ((h - 4) * 1024) + (w - 4);
143 dest= dest + ((h - 4) * 1024) + (w - 4);
144 }
145 FBBASE[dest] = FBBASE[src];
146 }
147 #endif
148