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60f56dfc 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. | |
60f56dfc | 24 | * |
1c15e888 | 25 | * from: Utah $Hdr: ite_gb.c 1.17 89/04/11$ |
60f56dfc | 26 | * |
1c15e888 | 27 | * @(#)ite_gb.c 7.1 (Berkeley) 5/8/90 |
60f56dfc KM |
28 | */ |
29 | ||
30 | #include "ite.h" | |
31 | #if NITE > 0 | |
32 | ||
1c15e888 C |
33 | #include "param.h" |
34 | #include "conf.h" | |
35 | #include "user.h" | |
36 | #include "proc.h" | |
37 | #include "ioctl.h" | |
38 | #include "tty.h" | |
39 | #include "systm.h" | |
40 | #include "uio.h" | |
60f56dfc KM |
41 | |
42 | #include "itevar.h" | |
43 | #include "itereg.h" | |
44 | #include "grf_gbreg.h" | |
45 | ||
1c15e888 | 46 | #include "machine/cpu.h" |
60f56dfc KM |
47 | |
48 | /* XXX */ | |
49 | #include "grfioctl.h" | |
50 | #include "grfvar.h" | |
51 | ||
52 | #define REGBASE ((struct gboxfb *)(ip->regbase)) | |
53 | #define WINDOWMOVER gatorbox_windowmove | |
54 | ||
55 | gatorbox_init(ip) | |
56 | register struct ite_softc *ip; | |
57 | { | |
58 | /* XXX */ | |
59 | if (ip->regbase == 0) { | |
60 | struct grfinfo *gi = &grf_softc[ip - ite_softc].g_display; | |
61 | ip->regbase = IOV(gi->gd_regaddr); | |
62 | ip->fbbase = IOV(gi->gd_fbaddr); | |
63 | } | |
64 | ||
65 | REGBASE->write_protect = 0x0; | |
66 | REGBASE->interrupt = 0x4; | |
67 | REGBASE->rep_rule = RR_COPY; | |
68 | REGBASE->blink1 = 0xff; | |
69 | REGBASE->blink2 = 0xff; | |
70 | gb_microcode(REGADDR); | |
71 | REGBASE->sec_interrupt = 0x01; | |
72 | ||
73 | /* | |
74 | * Set up the color map entries. We use three entries in the | |
75 | * color map. The first, is for black, the second is for | |
76 | * white, and the very last entry is for the inverted cursor. | |
77 | */ | |
78 | REGBASE->creg_select = 0x00; | |
79 | REGBASE->cmap_red = 0x00; | |
80 | REGBASE->cmap_grn = 0x00; | |
81 | REGBASE->cmap_blu = 0x00; | |
82 | REGBASE->cmap_write = 0x00; | |
83 | gbcm_waitbusy(REGADDR); | |
84 | ||
85 | REGBASE->creg_select = 0x01; | |
86 | REGBASE->cmap_red = 0xFF; | |
87 | REGBASE->cmap_grn = 0xFF; | |
88 | REGBASE->cmap_blu = 0xFF; | |
89 | REGBASE->cmap_write = 0x01; | |
90 | gbcm_waitbusy(REGADDR); | |
91 | ||
92 | REGBASE->creg_select = 0xFF; | |
93 | REGBASE->cmap_red = 0xFF; | |
94 | REGBASE->cmap_grn = 0xFF; | |
95 | REGBASE->cmap_blu = 0xFF; | |
96 | REGBASE->cmap_write = 0x01; | |
97 | gbcm_waitbusy(REGADDR); | |
98 | ||
99 | ite_devinfo(ip); | |
100 | ite_fontinit(ip); | |
101 | ||
102 | /* | |
103 | * Clear the display. This used to be before the font unpacking | |
104 | * but it crashes. Figure it out later. | |
105 | */ | |
106 | gatorbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR); | |
107 | tile_mover_waitbusy(REGADDR); | |
108 | ||
109 | /* | |
110 | * Stash the inverted cursor. | |
111 | */ | |
112 | gatorbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '), | |
113 | ip->cblanky, ip->cblankx, ip->ftheight, | |
114 | ip->ftwidth, RR_COPYINVERTED); | |
115 | } | |
116 | ||
117 | gatorbox_deinit(ip) | |
118 | struct ite_softc *ip; | |
119 | { | |
120 | gatorbox_windowmove(ip, 0, 0, 0, 0, | |
121 | ip->dheight, ip->dwidth, RR_CLEAR); | |
122 | tile_mover_waitbusy(REGADDR); | |
123 | ||
124 | ip->flags &= ~ITE_INITED; | |
125 | } | |
126 | ||
127 | gatorbox_putc(ip, c, dy, dx, mode) | |
128 | register struct ite_softc *ip; | |
129 | register int dy, dx; | |
130 | int c, mode; | |
131 | { | |
132 | register int wrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY); | |
133 | ||
134 | gatorbox_windowmove(ip, charY(ip, c), charX(ip, c), | |
135 | dy * ip->ftheight, dx * ip->ftwidth, | |
136 | ip->ftheight, ip->ftwidth, wrr); | |
137 | } | |
138 | ||
139 | gatorbox_cursor(ip, flag) | |
140 | register struct ite_softc *ip; | |
141 | register int flag; | |
142 | { | |
143 | if (flag == DRAW_CURSOR) | |
144 | draw_cursor(ip) | |
145 | else if (flag == MOVE_CURSOR) { | |
146 | erase_cursor(ip) | |
147 | draw_cursor(ip) | |
148 | } | |
149 | else | |
150 | erase_cursor(ip) | |
151 | } | |
152 | ||
153 | gatorbox_clear(ip, sy, sx, h, w) | |
154 | struct ite_softc *ip; | |
155 | register int sy, sx, h, w; | |
156 | { | |
157 | gatorbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, | |
158 | sy * ip->ftheight, sx * ip->ftwidth, | |
159 | h * ip->ftheight, w * ip->ftwidth, | |
160 | RR_CLEAR); | |
161 | } | |
162 | #define gatorbox_blockmove(ip, sy, sx, dy, dx, h, w) \ | |
163 | gatorbox_windowmove((ip), \ | |
164 | (sy) * ip->ftheight, \ | |
165 | (sx) * ip->ftwidth, \ | |
166 | (dy) * ip->ftheight, \ | |
167 | (dx) * ip->ftwidth, \ | |
168 | (h) * ip->ftheight, \ | |
169 | (w) * ip->ftwidth, \ | |
170 | RR_COPY) | |
171 | ||
172 | gatorbox_scroll(ip, sy, sx, count, dir) | |
173 | register struct ite_softc *ip; | |
174 | register int sy; | |
175 | int dir, sx, count; | |
176 | { | |
177 | register int height, dy, i; | |
178 | ||
179 | tile_mover_waitbusy(REGADDR); | |
180 | REGBASE->write_protect = 0x0; | |
181 | ||
182 | gatorbox_cursor(ip, ERASE_CURSOR); | |
183 | ||
184 | if (dir == SCROLL_UP) { | |
185 | dy = sy - count; | |
186 | height = ip->rows - sy; | |
187 | for (i = 0; i < height; i++) | |
188 | gatorbox_blockmove(ip, sy + i, sx, dy + i, 0, | |
189 | 1, ip->cols); | |
190 | } | |
191 | else if (dir == SCROLL_DOWN) { | |
192 | dy = sy + count; | |
193 | height = ip->rows - dy; | |
194 | for (i = (height - 1); i >= 0; i--) | |
195 | gatorbox_blockmove(ip, sy + i, sx, dy + i, 0, | |
196 | 1, ip->cols); | |
197 | } | |
198 | else if (dir == SCROLL_RIGHT) { | |
199 | gatorbox_blockmove(ip, sy, sx, sy, sx + count, | |
200 | 1, ip->cols - (sx + count)); | |
201 | } | |
202 | else { | |
203 | gatorbox_blockmove(ip, sy, sx, sy, sx - count, | |
204 | 1, ip->cols - sx); | |
205 | } | |
206 | } | |
207 | ||
208 | gatorbox_windowmove(ip, sy, sx, dy, dx, h, w, mask) | |
209 | register struct ite_softc *ip; | |
210 | int sy, sx, dy, dx, mask; | |
211 | register int h, w; | |
212 | { | |
213 | register int src, dest; | |
214 | ||
215 | src = (sy * 1024) + sx; /* upper left corner in pixels */ | |
216 | dest = (dy * 1024) + dx; | |
217 | ||
218 | tile_mover_waitbusy(REGADDR); | |
219 | REGBASE->width = -(w / 4); | |
220 | REGBASE->height = -(h / 4); | |
221 | if (src < dest) | |
222 | REGBASE->rep_rule = MOVE_DOWN_RIGHT|mask; | |
223 | else { | |
224 | REGBASE->rep_rule = MOVE_UP_LEFT|mask; | |
225 | /* | |
226 | * Adjust to top of lower right tile of the block. | |
227 | */ | |
228 | src = src + ((h - 4) * 1024) + (w - 4); | |
229 | dest= dest + ((h - 4) * 1024) + (w - 4); | |
230 | } | |
231 | FBBASE[dest] = FBBASE[src]; | |
232 | } | |
233 | #endif |