1 /* $NetBSD: ite_dv.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 $Hdr: ite_dv.c 1.2 92/01/20$
37 *
38 * @(#)ite_dv.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_dvreg.h>
47
48 #include <hp300/stand/common/samachdep.h>
49 #include <hp300/stand/common/itevar.h>
50
51 static void dv_reset(struct dvboxfb *);
52 static void dvbox_windowmove(struct ite_data *, int, int, int, int,
53 int, int, int);
54
55 void
dvbox_init(struct ite_data * ip)56 dvbox_init(struct ite_data *ip)
57 {
58 struct dvboxfb *regbase;
59 int i;
60
61 ip->bmv = dvbox_windowmove;
62 regbase = (void *)ip->regbase;
63 dv_reset(regbase);
64 DELAY(4000);
65
66 /*
67 * Turn on frame buffer, turn on overlay planes, set replacement
68 * rule, enable top overlay plane writes for ite, disable all frame
69 * buffer planes, set byte per pixel, and display frame buffer 0.
70 * Lastly, turn on the box.
71 */
72 regbase->interrupt = 0x04;
73 regbase->drive = 0x10;
74 regbase->rep_rule = RR_COPY << 4 | RR_COPY;
75 regbase->opwen = 0x01;
76 regbase->fbwen = 0x0;
77 regbase->fold = 0x01;
78 regbase->vdrive = 0x0;
79 regbase->dispen = 0x01;
80
81 /*
82 * Video enable top overlay plane.
83 */
84 regbase->opvenp = 0x01;
85 regbase->opvens = 0x01;
86
87 /*
88 * Make sure that overlay planes override frame buffer planes.
89 */
90 regbase->ovly0p = 0x0;
91 regbase->ovly0s = 0x0;
92 regbase->ovly1p = 0x0;
93 regbase->ovly1s = 0x0;
94 regbase->fv_trig = 0x1;
95 DELAY(400);
96
97 /*
98 * Setup the overlay colormaps. Need to set the 0,1 (black/white)
99 * color for both banks.
100 */
101
102 for (i = 0; i <= 1; i++) {
103 regbase->cmapbank = i;
104 regbase->rgb[0].red = 0x00;
105 regbase->rgb[0].green = 0x00;
106 regbase->rgb[0].blue = 0x00;
107 regbase->rgb[1].red = 0xFF;
108 regbase->rgb[1].green = 0xFF;
109 regbase->rgb[1].blue = 0xFF;
110 }
111
112 regbase->cmapbank = 0;
113
114 db_waitbusy(regbase);
115
116 ite_fontinfo(ip);
117 ite_fontinit8bpp(ip);
118
119 /*
120 * Clear the (visible) framebuffer.
121 */
122 dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
123 db_waitbusy(regbase);
124
125 /*
126 * Stash the inverted cursor.
127 */
128 dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
129 ip->cblanky, ip->cblankx, ip->ftheight,
130 ip->ftwidth, RR_COPYINVERTED);
131 db_waitbusy(regbase);
132 }
133
134 void
dvbox_windowmove(struct ite_data * ip,int sy,int sx,int dy,int dx,int h,int w,int func)135 dvbox_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx, int h,
136 int w, int func)
137 {
138 struct dvboxfb *dp = (void *)ip->regbase;
139
140 if (h == 0 || w == 0)
141 return;
142
143 db_waitbusy(dp);
144 dp->rep_rule = func << 4 | func;
145 dp->source_y = sy;
146 dp->source_x = sx;
147 dp->dest_y = dy;
148 dp->dest_x = dx;
149 dp->wheight = h;
150 dp->wwidth = w;
151 dp->wmove = 1;
152 }
153
154 static void
dv_reset(struct dvboxfb * dbp)155 dv_reset(struct dvboxfb *dbp)
156 {
157
158 dbp->reset = 0x80;
159 DELAY(400);
160
161 dbp->interrupt = 0x04;
162 dbp->en_scan = 0x01;
163 dbp->fbwen = ~0;
164 dbp->opwen = ~0;
165 dbp->fold = 0x01;
166 dbp->drive = 0x01;
167 dbp->rep_rule = 0x33;
168 dbp->alt_rr = 0x33;
169 dbp->zrr = 0x33;
170
171 dbp->fbvenp = 0xFF;
172 dbp->dispen = 0x01;
173 dbp->fbvens = 0x0;
174 dbp->fv_trig = 0x01;
175 DELAY(400);
176 dbp->vdrive = 0x0;
177 dbp->zconfig = 0x0;
178
179 while (dbp->wbusy & 0x01)
180 DELAY(400);
181
182 /*
183 * Start of missing ROM code.
184 */
185 dbp->cmapbank = 0;
186
187 dbp->red0 = 0;
188 dbp->red1 = 0;
189 dbp->green0 = 0;
190 dbp->green1 = 0;
191 dbp->blue0 = 0;
192 dbp->blue1 = 0;
193
194 dbp->panxh = 0;
195 dbp->panxl = 0;
196 dbp->panyh = 0;
197 dbp->panyl = 0;
198 dbp->zoom = 0;
199 dbp->cdwidth = 0x50;
200 dbp->chstart = 0x52;
201 dbp->cvwidth = 0x22;
202 dbp->pz_trig = 1;
203 /*
204 * End of missing ROM code.
205 */
206 }
207 #endif
208