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1.1 root 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: * 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.
24: *
25: * from: Utah $Hdr: ite_dv.c 1.5 89/04/11$
26: *
27: * @(#)ite_dv.c 7.1 (Berkeley) 5/8/90
28: */
29:
30: #include "ite.h"
31: #if NITE > 0
32:
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"
41:
42: #include "itevar.h"
43: #include "itereg.h"
44: #include "grf_dvreg.h"
45:
46: #include "machine/cpu.h"
47:
48: /* XXX */
49: #include "grfioctl.h"
50: #include "grfvar.h"
51:
52: #define REGBASE ((struct dvboxfb *)(ip->regbase))
53: #define WINDOWMOVER dvbox_windowmove
54:
55: dvbox_init(ip)
56: struct ite_softc *ip;
57: {
58: int i;
59:
60: /* XXX */
61: if (ip->regbase == 0) {
62: struct grfinfo *gi = &grf_softc[ip - ite_softc].g_display;
63: ip->regbase = IOV(gi->gd_regaddr);
64: ip->fbbase = IOV(gi->gd_fbaddr);
65: }
66:
67: dv_reset(REGADDR);
68:
69: /*
70: * Turn on frame buffer, turn on overlay planes, set replacement
71: * rule, enable top overlay plane writes for ite, disable all frame
72: * buffer planes, set byte per pixel, and display frame buffer 0.
73: * Lastly, turn on the box.
74: */
75: REGBASE->interrupt = 0x04;
76: REGBASE->drive = 0x10;
77: REGBASE->rep_rule = RR_COPY << 4 | RR_COPY;
78: REGBASE->opwen = 0x01;
79: REGBASE->fbwen = 0x0;
80: REGBASE->fold = 0x01;
81: REGBASE->vdrive = 0x0;
82: REGBASE->dispen = 0x01;
83:
84: /*
85: * Video enable top overlay plane.
86: */
87: REGBASE->opvenp = 0x01;
88: REGBASE->opvens = 0x01;
89:
90: /*
91: * Make sure that overlay planes override frame buffer planes.
92: */
93: REGBASE->ovly0p = 0x0;
94: REGBASE->ovly0s = 0x0;
95: REGBASE->ovly1p = 0x0;
96: REGBASE->ovly1s = 0x0;
97: REGBASE->fv_trig = 0x1;
98: DELAY(100);
99:
100: /*
101: * Setup the overlay colormaps. Need to set the 0,1 (black/white)
102: * color for both banks.
103: */
104:
105: for (i = 0; i <= 1; i++) {
106: REGBASE->cmapbank = i;
107: REGBASE->rgb[0].red = 0x00;
108: REGBASE->rgb[0].green = 0x00;
109: REGBASE->rgb[0].blue = 0x00;
110: REGBASE->rgb[1].red = 0xFF;
111: REGBASE->rgb[1].green = 0xFF;
112: REGBASE->rgb[1].blue = 0xFF;
113: }
114: REGBASE->cmapbank = 0;
115:
116: db_waitbusy(REGADDR);
117:
118: ite_devinfo(ip);
119: ite_fontinit(ip);
120:
121: /*
122: * Clear the (visible) framebuffer.
123: */
124: dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
125: db_waitbusy(REGADDR);
126:
127: /*
128: * Stash the inverted cursor.
129: */
130: dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
131: ip->cblanky, ip->cblankx, ip->ftheight,
132: ip->ftwidth, RR_COPYINVERTED);
133: }
134:
135: dvbox_deinit(ip)
136: struct ite_softc *ip;
137: {
138: dvbox_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
139: db_waitbusy(REGADDR);
140:
141: ip->flags &= ~ITE_INITED;
142: }
143:
144: dvbox_putc(ip, c, dy, dx, mode)
145: register struct ite_softc *ip;
146: register int dy, dx;
147: int c, mode;
148: {
149: register int wrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
150:
151: dvbox_windowmove(ip, charY(ip, c), charX(ip, c),
152: dy * ip->ftheight, dx * ip->ftwidth,
153: ip->ftheight, ip->ftwidth, wrr);
154: }
155:
156: dvbox_cursor(ip, flag)
157: register struct ite_softc *ip;
158: register int flag;
159: {
160: if (flag == DRAW_CURSOR)
161: draw_cursor(ip)
162: else if (flag == MOVE_CURSOR) {
163: erase_cursor(ip)
164: draw_cursor(ip)
165: }
166: else
167: erase_cursor(ip)
168: }
169:
170: dvbox_clear(ip, sy, sx, h, w)
171: struct ite_softc *ip;
172: register int sy, sx, h, w;
173: {
174: dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
175: sy * ip->ftheight, sx * ip->ftwidth,
176: h * ip->ftheight, w * ip->ftwidth,
177: RR_CLEAR);
178: }
179:
180: dvbox_scroll(ip, sy, sx, count, dir)
181: register struct ite_softc *ip;
182: register int sy, count;
183: int dir, sx;
184: {
185: register int dy;
186: register int dx = sx;
187: register int height = 1;
188: register int width = ip->cols;
189:
190: dvbox_cursor(ip, ERASE_CURSOR);
191:
192: if (dir == SCROLL_UP) {
193: dy = sy - count;
194: height = ip->rows - sy;
195: }
196: else if (dir == SCROLL_DOWN) {
197: dy = sy + count;
198: height = ip->rows - dy - 1;
199: }
200: else if (dir == SCROLL_RIGHT) {
201: dy = sy;
202: dx = sx + count;
203: width = ip->cols - dx;
204: }
205: else {
206: dy = sy;
207: dx = sx - count;
208: width = ip->cols - sx;
209: }
210:
211: dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
212: dy * ip->ftheight, dx * ip->ftwidth,
213: height * ip->ftheight,
214: width * ip->ftwidth, RR_COPY);
215: }
216:
217: dvbox_windowmove(ip, sy, sx, dy, dx, h, w, func)
218: struct ite_softc *ip;
219: int sy, sx, dy, dx, h, w, func;
220: {
221: register struct dvboxfb *dp = REGBASE;
222: if (h == 0 || w == 0)
223: return;
224:
225: db_waitbusy(REGADDR);
226: dp->rep_rule = func << 4 | func;
227: dp->source_y = sy;
228: dp->source_x = sx;
229: dp->dest_y = dy;
230: dp->dest_x = dx;
231: dp->wheight = h;
232: dp->wwidth = w;
233: dp->wmove = 1;
234: }
235: #endif
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