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a8fd2d0d 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 | * | |
1c15e888 C |
10 | * Redistribution is only permitted until one year after the first shipment |
11 | * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and | |
12 | * binary forms are permitted provided that: (1) source distributions retain | |
13 | * this entire copyright notice and comment, and (2) distributions including | |
14 | * binaries display the following acknowledgement: This product includes | |
15 | * software developed by the University of California, Berkeley and its | |
16 | * contributors'' in the documentation or other materials provided with the | |
17 | * distribution and in all advertising materials mentioning features or use | |
18 | * of this software. Neither the name of the University nor the names of | |
19 | * its contributors may be used to endorse or promote products derived from | |
20 | * this software without specific prior written permission. | |
21 | * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED | |
22 | * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF | |
23 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
a8fd2d0d KM |
24 | * |
25 | * from: Utah $Hdr: ite_dv.c 1.1 89/02/28$ | |
26 | * | |
1c15e888 | 27 | * @(#)ite_dv.c 7.1 (Berkeley) 5/8/90 |
a8fd2d0d KM |
28 | */ |
29 | ||
30 | #include "samachdep.h" | |
31 | ||
32 | #ifdef ITECONSOLE | |
33 | ||
1c15e888 C |
34 | #include "param.h" |
35 | #include "../hpdev/itevar.h" | |
36 | #include "../hpdev/itereg.h" | |
37 | #include "../hpdev/grfvar.h" | |
38 | #include "../hpdev/grf_dvreg.h" | |
a8fd2d0d KM |
39 | |
40 | #define REGBASE ((struct dvboxfb *)(ip->regbase)) | |
41 | #define WINDOWMOVER dvbox_windowmove | |
42 | ||
43 | dvbox_init(ip) | |
44 | struct ite_softc *ip; | |
45 | { | |
46 | int i; | |
47 | ||
48 | dv_reset(REGADDR); | |
49 | DELAY(4000); | |
50 | ||
51 | /* | |
52 | * Turn on frame buffer, turn on overlay planes, set replacement | |
53 | * rule, enable top overlay plane writes for ite, disable all frame | |
54 | * buffer planes, set byte per pixel, and display frame buffer 0. | |
55 | * Lastly, turn on the box. | |
56 | */ | |
57 | REGBASE->interrupt = 0x04; | |
58 | REGBASE->drive = 0x10; | |
59 | REGBASE->rep_rule = RR_COPY << 4 | RR_COPY; | |
60 | REGBASE->opwen = 0x01; | |
61 | REGBASE->fbwen = 0x0; | |
62 | REGBASE->fold = 0x01; | |
63 | REGBASE->vdrive = 0x0; | |
64 | REGBASE->dispen = 0x01; | |
65 | ||
66 | /* | |
67 | * Video enable top overlay plane. | |
68 | */ | |
69 | REGBASE->opvenp = 0x01; | |
70 | REGBASE->opvens = 0x01; | |
71 | ||
72 | /* | |
73 | * Make sure that overlay planes override frame buffer planes. | |
74 | */ | |
75 | REGBASE->ovly0p = 0x0; | |
76 | REGBASE->ovly0s = 0x0; | |
77 | REGBASE->ovly1p = 0x0; | |
78 | REGBASE->ovly1s = 0x0; | |
79 | REGBASE->fv_trig = 0x1; | |
80 | DELAY(400); | |
81 | ||
82 | /* | |
83 | * Setup the overlay colormaps. Need to set the 0,1 (black/white) | |
84 | * color for both banks. | |
85 | */ | |
86 | ||
87 | for (i = 0; i <= 1; i++) { | |
88 | REGBASE->cmapbank = i; | |
89 | REGBASE->rgb[0].red = 0x00; | |
90 | REGBASE->rgb[0].green = 0x00; | |
91 | REGBASE->rgb[0].blue = 0x00; | |
92 | REGBASE->rgb[1].red = 0xFF; | |
93 | REGBASE->rgb[1].green = 0xFF; | |
94 | REGBASE->rgb[1].blue = 0xFF; | |
95 | } | |
96 | REGBASE->cmapbank = 0; | |
97 | ||
98 | db_waitbusy(REGADDR); | |
99 | ||
100 | ite_devinfo(ip); | |
101 | ite_fontinit(ip); | |
102 | ||
103 | /* | |
104 | * Clear the (visible) framebuffer. | |
105 | */ | |
106 | dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR); | |
107 | db_waitbusy(REGADDR); | |
108 | ||
109 | /* | |
110 | * Stash the inverted cursor. | |
111 | */ | |
112 | dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '), | |
113 | ip->cblanky, ip->cblankx, ip->ftheight, | |
114 | ip->ftwidth, RR_COPYINVERTED); | |
115 | db_waitbusy(REGADDR); | |
116 | } | |
117 | ||
118 | dvbox_putc(ip, c, dy, dx, mode) | |
119 | register struct ite_softc *ip; | |
120 | register int dy, dx; | |
121 | int c, mode; | |
122 | { | |
123 | dvbox_windowmove(ip, charY(ip, c), charX(ip, c), | |
124 | dy * ip->ftheight, dx * ip->ftwidth, | |
125 | ip->ftheight, ip->ftwidth, RR_COPY); | |
126 | } | |
127 | ||
128 | dvbox_cursor(ip, flag) | |
129 | register struct ite_softc *ip; | |
130 | register int flag; | |
131 | { | |
132 | if (flag == DRAW_CURSOR) | |
133 | draw_cursor(ip) | |
134 | else if (flag == MOVE_CURSOR) { | |
135 | erase_cursor(ip) | |
136 | draw_cursor(ip) | |
137 | } | |
138 | else | |
139 | erase_cursor(ip) | |
140 | } | |
141 | ||
142 | dvbox_clear(ip, sy, sx, h, w) | |
143 | struct ite_softc *ip; | |
144 | register int sy, sx, h, w; | |
145 | { | |
146 | dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, | |
147 | sy * ip->ftheight, sx * ip->ftwidth, | |
148 | h * ip->ftheight, w * ip->ftwidth, | |
149 | RR_CLEAR); | |
150 | } | |
151 | ||
152 | dvbox_scroll(ip, sy, sx, count, dir) | |
153 | register struct ite_softc *ip; | |
154 | register int sy, count; | |
155 | int dir, sx; | |
156 | { | |
157 | register int dy = sy - count; | |
158 | register int height = ip->rows - sy; | |
159 | ||
160 | dvbox_cursor(ip, ERASE_CURSOR); | |
161 | ||
162 | dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, | |
163 | dy * ip->ftheight, sx * ip->ftwidth, | |
164 | height * ip->ftheight, | |
165 | ip->cols * ip->ftwidth, RR_COPY); | |
166 | } | |
167 | ||
168 | dvbox_windowmove(ip, sy, sx, dy, dx, h, w, func) | |
169 | struct ite_softc *ip; | |
170 | int sy, sx, dy, dx, h, w, func; | |
171 | { | |
172 | register struct dvboxfb *dp = REGBASE; | |
173 | if (h == 0 || w == 0) | |
174 | return; | |
175 | ||
176 | db_waitbusy(REGADDR); | |
177 | dp->rep_rule = func << 4 | func; | |
178 | dp->source_y = sy; | |
179 | dp->source_x = sx; | |
180 | dp->dest_y = dy; | |
181 | dp->dest_x = dx; | |
182 | dp->wheight = h; | |
183 | dp->wwidth = w; | |
184 | dp->wmove = 1; | |
185 | } | |
186 | ||
187 | dv_reset(dbp) | |
188 | register struct dvboxfb *dbp; | |
189 | { | |
190 | dbp->reset = 0x80; | |
191 | DELAY(400); | |
192 | ||
193 | dbp->interrupt = 0x04; | |
194 | dbp->en_scan = 0x01; | |
195 | dbp->fbwen = ~0; | |
196 | dbp->opwen = ~0; | |
197 | dbp->fold = 0x01; | |
198 | dbp->drive = 0x01; | |
199 | dbp->rep_rule = 0x33; | |
200 | dbp->alt_rr = 0x33; | |
201 | dbp->zrr = 0x33; | |
202 | ||
203 | dbp->fbvenp = 0xFF; | |
204 | dbp->dispen = 0x01; | |
205 | dbp->fbvens = 0x0; | |
206 | dbp->fv_trig = 0x01; | |
207 | DELAY(400); | |
208 | dbp->vdrive = 0x0; | |
209 | dbp->zconfig = 0x0; | |
210 | ||
211 | while (dbp->wbusy & 0x01) | |
212 | DELAY(400); | |
213 | ||
214 | /* | |
215 | * Start of missing ROM code. | |
216 | */ | |
217 | dbp->cmapbank = 0; | |
218 | ||
219 | dbp->red0 = 0; | |
220 | dbp->red1 = 0; | |
221 | dbp->green0 = 0; | |
222 | dbp->green1 = 0; | |
223 | dbp->blue0 = 0; | |
224 | dbp->blue1 = 0; | |
225 | ||
226 | dbp->panxh = 0; | |
227 | dbp->panxl = 0; | |
228 | dbp->panyh = 0; | |
229 | dbp->panyl = 0; | |
230 | dbp->zoom = 0; | |
231 | dbp->cdwidth = 0x50; | |
232 | dbp->chstart = 0x52; | |
233 | dbp->cvwidth = 0x22; | |
234 | dbp->pz_trig = 1; | |
235 | /* | |
236 | * End of missing ROM code. | |
237 | */ | |
238 | } | |
239 | ||
240 | #endif |