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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 and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: * 3. All advertising materials mentioning features or use of this software
19: * must display the following acknowledgement:
20: * This product includes software developed by the University of
21: * California, Berkeley and its contributors.
22: * 4. Neither the name of the University nor the names of its contributors
23: * may be used to endorse or promote products derived from this software
24: * without specific prior written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36: * SUCH DAMAGE.
37: *
38: * from: Utah $Hdr: ite_dv.c 1.7 91/01/21$
39: *
40: * @(#)ite_dv.c 7.5 (Berkeley) 5/7/91
41: */
42:
43: #include "ite.h"
44: #if NITE > 0
45:
46: #include "param.h"
47: #include "conf.h"
48: #include "proc.h"
49: #include "ioctl.h"
50: #include "tty.h"
51: #include "systm.h"
52:
53: #include "itevar.h"
54: #include "itereg.h"
55: #include "grf_dvreg.h"
56:
57: #include "machine/cpu.h"
58:
59: /* XXX */
60: #include "grfioctl.h"
61: #include "grfvar.h"
62:
63: #define REGBASE ((struct dvboxfb *)(ip->regbase))
64: #define WINDOWMOVER dvbox_windowmove
65:
66: dvbox_init(ip)
67: struct ite_softc *ip;
68: {
69: int i;
70:
71: /* XXX */
72: if (ip->regbase == 0) {
73: struct grf_softc *gp = &grf_softc[ip - ite_softc];
74: ip->regbase = gp->g_regkva;
75: ip->fbbase = gp->g_fbkva;
76: }
77:
78: dv_reset(REGADDR);
79:
80: /*
81: * Turn on frame buffer, turn on overlay planes, set replacement
82: * rule, enable top overlay plane writes for ite, disable all frame
83: * buffer planes, set byte per pixel, and display frame buffer 0.
84: * Lastly, turn on the box.
85: */
86: REGBASE->interrupt = 0x04;
87: REGBASE->drive = 0x10;
88: REGBASE->rep_rule = RR_COPY << 4 | RR_COPY;
89: REGBASE->opwen = 0x01;
90: REGBASE->fbwen = 0x0;
91: REGBASE->fold = 0x01;
92: REGBASE->vdrive = 0x0;
93: REGBASE->dispen = 0x01;
94:
95: /*
96: * Video enable top overlay plane.
97: */
98: REGBASE->opvenp = 0x01;
99: REGBASE->opvens = 0x01;
100:
101: /*
102: * Make sure that overlay planes override frame buffer planes.
103: */
104: REGBASE->ovly0p = 0x0;
105: REGBASE->ovly0s = 0x0;
106: REGBASE->ovly1p = 0x0;
107: REGBASE->ovly1s = 0x0;
108: REGBASE->fv_trig = 0x1;
109: DELAY(100);
110:
111: /*
112: * Setup the overlay colormaps. Need to set the 0,1 (black/white)
113: * color for both banks.
114: */
115:
116: for (i = 0; i <= 1; i++) {
117: REGBASE->cmapbank = i;
118: REGBASE->rgb[0].red = 0x00;
119: REGBASE->rgb[0].green = 0x00;
120: REGBASE->rgb[0].blue = 0x00;
121: REGBASE->rgb[1].red = 0xFF;
122: REGBASE->rgb[1].green = 0xFF;
123: REGBASE->rgb[1].blue = 0xFF;
124: }
125: REGBASE->cmapbank = 0;
126:
127: db_waitbusy(REGADDR);
128:
129: ite_devinfo(ip);
130: ite_fontinit(ip);
131:
132: /*
133: * Clear the (visible) framebuffer.
134: */
135: dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
136: db_waitbusy(REGADDR);
137:
138: /*
139: * Stash the inverted cursor.
140: */
141: dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
142: ip->cblanky, ip->cblankx, ip->ftheight,
143: ip->ftwidth, RR_COPYINVERTED);
144: }
145:
146: dvbox_deinit(ip)
147: struct ite_softc *ip;
148: {
149: dvbox_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
150: db_waitbusy(REGADDR);
151:
152: ip->flags &= ~ITE_INITED;
153: }
154:
155: dvbox_putc(ip, c, dy, dx, mode)
156: register struct ite_softc *ip;
157: register int dy, dx;
158: int c, mode;
159: {
160: register int wrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
161:
162: dvbox_windowmove(ip, charY(ip, c), charX(ip, c),
163: dy * ip->ftheight, dx * ip->ftwidth,
164: ip->ftheight, ip->ftwidth, wrr);
165: }
166:
167: dvbox_cursor(ip, flag)
168: register struct ite_softc *ip;
169: register int flag;
170: {
171: if (flag == DRAW_CURSOR)
172: draw_cursor(ip)
173: else if (flag == MOVE_CURSOR) {
174: erase_cursor(ip)
175: draw_cursor(ip)
176: }
177: else
178: erase_cursor(ip)
179: }
180:
181: dvbox_clear(ip, sy, sx, h, w)
182: struct ite_softc *ip;
183: register int sy, sx, h, w;
184: {
185: dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
186: sy * ip->ftheight, sx * ip->ftwidth,
187: h * ip->ftheight, w * ip->ftwidth,
188: RR_CLEAR);
189: }
190:
191: dvbox_scroll(ip, sy, sx, count, dir)
192: register struct ite_softc *ip;
193: register int sy, count;
194: int dir, sx;
195: {
196: register int dy;
197: register int dx = sx;
198: register int height = 1;
199: register int width = ip->cols;
200:
201: dvbox_cursor(ip, ERASE_CURSOR);
202:
203: if (dir == SCROLL_UP) {
204: dy = sy - count;
205: height = ip->rows - sy;
206: }
207: else if (dir == SCROLL_DOWN) {
208: dy = sy + count;
209: height = ip->rows - dy - 1;
210: }
211: else if (dir == SCROLL_RIGHT) {
212: dy = sy;
213: dx = sx + count;
214: width = ip->cols - dx;
215: }
216: else {
217: dy = sy;
218: dx = sx - count;
219: width = ip->cols - sx;
220: }
221:
222: dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
223: dy * ip->ftheight, dx * ip->ftwidth,
224: height * ip->ftheight,
225: width * ip->ftwidth, RR_COPY);
226: }
227:
228: dvbox_windowmove(ip, sy, sx, dy, dx, h, w, func)
229: struct ite_softc *ip;
230: int sy, sx, dy, dx, h, w, func;
231: {
232: register struct dvboxfb *dp = REGBASE;
233: if (h == 0 || w == 0)
234: return;
235:
236: db_waitbusy(REGADDR);
237: dp->rep_rule = func << 4 | func;
238: dp->source_y = sy;
239: dp->source_x = sx;
240: dp->dest_y = dy;
241: dp->dest_x = dx;
242: dp->wheight = h;
243: dp->wwidth = w;
244: dp->wmove = 1;
245: }
246: #endif
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