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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 | * | |
10 | * %sccs.include.redist.c% | |
11 | * | |
33583b53 | 12 | * from: Utah $Hdr: ite_dv.c 1.2 92/01/20$ |
a8fd2d0d | 13 | * |
38a01dbe | 14 | * @(#)ite_dv.c 7.4 (Berkeley) %G% |
a8fd2d0d KM |
15 | */ |
16 | ||
38a01dbe | 17 | #include <hp300/stand/samachdep.h> |
a8fd2d0d KM |
18 | |
19 | #ifdef ITECONSOLE | |
20 | ||
38a01dbe KB |
21 | #include <sys/param.h> |
22 | #include <hp/dev/itevar.h> | |
23 | #include <hp/dev/itereg.h> | |
24 | #include <hp300/dev/grf_dvreg.h> | |
a8fd2d0d KM |
25 | |
26 | #define REGBASE ((struct dvboxfb *)(ip->regbase)) | |
27 | #define WINDOWMOVER dvbox_windowmove | |
28 | ||
29 | dvbox_init(ip) | |
30 | struct ite_softc *ip; | |
31 | { | |
32 | int i; | |
33 | ||
33583b53 | 34 | dv_reset(ip->regbase); |
a8fd2d0d KM |
35 | DELAY(4000); |
36 | ||
37 | /* | |
38 | * Turn on frame buffer, turn on overlay planes, set replacement | |
39 | * rule, enable top overlay plane writes for ite, disable all frame | |
40 | * buffer planes, set byte per pixel, and display frame buffer 0. | |
41 | * Lastly, turn on the box. | |
42 | */ | |
43 | REGBASE->interrupt = 0x04; | |
44 | REGBASE->drive = 0x10; | |
45 | REGBASE->rep_rule = RR_COPY << 4 | RR_COPY; | |
46 | REGBASE->opwen = 0x01; | |
47 | REGBASE->fbwen = 0x0; | |
48 | REGBASE->fold = 0x01; | |
49 | REGBASE->vdrive = 0x0; | |
50 | REGBASE->dispen = 0x01; | |
51 | ||
52 | /* | |
53 | * Video enable top overlay plane. | |
54 | */ | |
55 | REGBASE->opvenp = 0x01; | |
56 | REGBASE->opvens = 0x01; | |
57 | ||
58 | /* | |
59 | * Make sure that overlay planes override frame buffer planes. | |
60 | */ | |
61 | REGBASE->ovly0p = 0x0; | |
62 | REGBASE->ovly0s = 0x0; | |
63 | REGBASE->ovly1p = 0x0; | |
64 | REGBASE->ovly1s = 0x0; | |
65 | REGBASE->fv_trig = 0x1; | |
66 | DELAY(400); | |
67 | ||
68 | /* | |
69 | * Setup the overlay colormaps. Need to set the 0,1 (black/white) | |
70 | * color for both banks. | |
71 | */ | |
72 | ||
73 | for (i = 0; i <= 1; i++) { | |
74 | REGBASE->cmapbank = i; | |
75 | REGBASE->rgb[0].red = 0x00; | |
76 | REGBASE->rgb[0].green = 0x00; | |
77 | REGBASE->rgb[0].blue = 0x00; | |
78 | REGBASE->rgb[1].red = 0xFF; | |
79 | REGBASE->rgb[1].green = 0xFF; | |
80 | REGBASE->rgb[1].blue = 0xFF; | |
81 | } | |
82 | REGBASE->cmapbank = 0; | |
83 | ||
33583b53 | 84 | db_waitbusy(ip->regbase); |
a8fd2d0d | 85 | |
33583b53 | 86 | ite_fontinfo(ip); |
a8fd2d0d KM |
87 | ite_fontinit(ip); |
88 | ||
89 | /* | |
90 | * Clear the (visible) framebuffer. | |
91 | */ | |
92 | dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR); | |
33583b53 | 93 | db_waitbusy(ip->regbase); |
a8fd2d0d KM |
94 | |
95 | /* | |
96 | * Stash the inverted cursor. | |
97 | */ | |
98 | dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '), | |
99 | ip->cblanky, ip->cblankx, ip->ftheight, | |
100 | ip->ftwidth, RR_COPYINVERTED); | |
33583b53 | 101 | db_waitbusy(ip->regbase); |
a8fd2d0d KM |
102 | } |
103 | ||
104 | dvbox_putc(ip, c, dy, dx, mode) | |
105 | register struct ite_softc *ip; | |
106 | register int dy, dx; | |
107 | int c, mode; | |
108 | { | |
109 | dvbox_windowmove(ip, charY(ip, c), charX(ip, c), | |
110 | dy * ip->ftheight, dx * ip->ftwidth, | |
111 | ip->ftheight, ip->ftwidth, RR_COPY); | |
112 | } | |
113 | ||
114 | dvbox_cursor(ip, flag) | |
115 | register struct ite_softc *ip; | |
116 | register int flag; | |
117 | { | |
118 | if (flag == DRAW_CURSOR) | |
119 | draw_cursor(ip) | |
120 | else if (flag == MOVE_CURSOR) { | |
121 | erase_cursor(ip) | |
122 | draw_cursor(ip) | |
123 | } | |
124 | else | |
125 | erase_cursor(ip) | |
126 | } | |
127 | ||
128 | dvbox_clear(ip, sy, sx, h, w) | |
129 | struct ite_softc *ip; | |
130 | register int sy, sx, h, w; | |
131 | { | |
132 | dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, | |
133 | sy * ip->ftheight, sx * ip->ftwidth, | |
134 | h * ip->ftheight, w * ip->ftwidth, | |
135 | RR_CLEAR); | |
136 | } | |
137 | ||
138 | dvbox_scroll(ip, sy, sx, count, dir) | |
139 | register struct ite_softc *ip; | |
140 | register int sy, count; | |
141 | int dir, sx; | |
142 | { | |
143 | register int dy = sy - count; | |
144 | register int height = ip->rows - sy; | |
145 | ||
146 | dvbox_cursor(ip, ERASE_CURSOR); | |
147 | ||
148 | dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, | |
149 | dy * ip->ftheight, sx * ip->ftwidth, | |
150 | height * ip->ftheight, | |
151 | ip->cols * ip->ftwidth, RR_COPY); | |
152 | } | |
153 | ||
154 | dvbox_windowmove(ip, sy, sx, dy, dx, h, w, func) | |
155 | struct ite_softc *ip; | |
156 | int sy, sx, dy, dx, h, w, func; | |
157 | { | |
158 | register struct dvboxfb *dp = REGBASE; | |
159 | if (h == 0 || w == 0) | |
160 | return; | |
161 | ||
33583b53 | 162 | db_waitbusy(ip->regbase); |
a8fd2d0d KM |
163 | dp->rep_rule = func << 4 | func; |
164 | dp->source_y = sy; | |
165 | dp->source_x = sx; | |
166 | dp->dest_y = dy; | |
167 | dp->dest_x = dx; | |
168 | dp->wheight = h; | |
169 | dp->wwidth = w; | |
170 | dp->wmove = 1; | |
171 | } | |
172 | ||
173 | dv_reset(dbp) | |
174 | register struct dvboxfb *dbp; | |
175 | { | |
176 | dbp->reset = 0x80; | |
177 | DELAY(400); | |
178 | ||
179 | dbp->interrupt = 0x04; | |
180 | dbp->en_scan = 0x01; | |
181 | dbp->fbwen = ~0; | |
182 | dbp->opwen = ~0; | |
183 | dbp->fold = 0x01; | |
184 | dbp->drive = 0x01; | |
185 | dbp->rep_rule = 0x33; | |
186 | dbp->alt_rr = 0x33; | |
187 | dbp->zrr = 0x33; | |
188 | ||
189 | dbp->fbvenp = 0xFF; | |
190 | dbp->dispen = 0x01; | |
191 | dbp->fbvens = 0x0; | |
192 | dbp->fv_trig = 0x01; | |
193 | DELAY(400); | |
194 | dbp->vdrive = 0x0; | |
195 | dbp->zconfig = 0x0; | |
196 | ||
197 | while (dbp->wbusy & 0x01) | |
198 | DELAY(400); | |
199 | ||
200 | /* | |
201 | * Start of missing ROM code. | |
202 | */ | |
203 | dbp->cmapbank = 0; | |
204 | ||
205 | dbp->red0 = 0; | |
206 | dbp->red1 = 0; | |
207 | dbp->green0 = 0; | |
208 | dbp->green1 = 0; | |
209 | dbp->blue0 = 0; | |
210 | dbp->blue1 = 0; | |
211 | ||
212 | dbp->panxh = 0; | |
213 | dbp->panxl = 0; | |
214 | dbp->panyh = 0; | |
215 | dbp->panyl = 0; | |
216 | dbp->zoom = 0; | |
217 | dbp->cdwidth = 0x50; | |
218 | dbp->chstart = 0x52; | |
219 | dbp->cvwidth = 0x22; | |
220 | dbp->pz_trig = 1; | |
221 | /* | |
222 | * End of missing ROM code. | |
223 | */ | |
224 | } | |
225 | ||
226 | #endif |