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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 $Hdr: ite_gb.c 1.18 91/01/21$
39: *
40: * @(#)ite_gb.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_gbreg.h"
56:
57: #include "machine/cpu.h"
58:
59: /* XXX */
60: #include "grfioctl.h"
61: #include "grfvar.h"
62:
63: #define REGBASE ((struct gboxfb *)(ip->regbase))
64: #define WINDOWMOVER gatorbox_windowmove
65:
66: gatorbox_init(ip)
67: register struct ite_softc *ip;
68: {
69: /* XXX */
70: if (ip->regbase == 0) {
71: struct grf_softc *gp = &grf_softc[ip - ite_softc];
72: ip->regbase = gp->g_regkva;
73: ip->fbbase = gp->g_fbkva;
74: }
75:
76: REGBASE->write_protect = 0x0;
77: REGBASE->interrupt = 0x4;
78: REGBASE->rep_rule = RR_COPY;
79: REGBASE->blink1 = 0xff;
80: REGBASE->blink2 = 0xff;
81: gb_microcode(REGADDR);
82: REGBASE->sec_interrupt = 0x01;
83:
84: /*
85: * Set up the color map entries. We use three entries in the
86: * color map. The first, is for black, the second is for
87: * white, and the very last entry is for the inverted cursor.
88: */
89: REGBASE->creg_select = 0x00;
90: REGBASE->cmap_red = 0x00;
91: REGBASE->cmap_grn = 0x00;
92: REGBASE->cmap_blu = 0x00;
93: REGBASE->cmap_write = 0x00;
94: gbcm_waitbusy(REGADDR);
95:
96: REGBASE->creg_select = 0x01;
97: REGBASE->cmap_red = 0xFF;
98: REGBASE->cmap_grn = 0xFF;
99: REGBASE->cmap_blu = 0xFF;
100: REGBASE->cmap_write = 0x01;
101: gbcm_waitbusy(REGADDR);
102:
103: REGBASE->creg_select = 0xFF;
104: REGBASE->cmap_red = 0xFF;
105: REGBASE->cmap_grn = 0xFF;
106: REGBASE->cmap_blu = 0xFF;
107: REGBASE->cmap_write = 0x01;
108: gbcm_waitbusy(REGADDR);
109:
110: ite_devinfo(ip);
111: ite_fontinit(ip);
112:
113: /*
114: * Clear the display. This used to be before the font unpacking
115: * but it crashes. Figure it out later.
116: */
117: gatorbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
118: tile_mover_waitbusy(REGADDR);
119:
120: /*
121: * Stash the inverted cursor.
122: */
123: gatorbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
124: ip->cblanky, ip->cblankx, ip->ftheight,
125: ip->ftwidth, RR_COPYINVERTED);
126: }
127:
128: gatorbox_deinit(ip)
129: struct ite_softc *ip;
130: {
131: gatorbox_windowmove(ip, 0, 0, 0, 0,
132: ip->dheight, ip->dwidth, RR_CLEAR);
133: tile_mover_waitbusy(REGADDR);
134:
135: ip->flags &= ~ITE_INITED;
136: }
137:
138: gatorbox_putc(ip, c, dy, dx, mode)
139: register struct ite_softc *ip;
140: register int dy, dx;
141: int c, mode;
142: {
143: register int wrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
144:
145: gatorbox_windowmove(ip, charY(ip, c), charX(ip, c),
146: dy * ip->ftheight, dx * ip->ftwidth,
147: ip->ftheight, ip->ftwidth, wrr);
148: }
149:
150: gatorbox_cursor(ip, flag)
151: register struct ite_softc *ip;
152: register int flag;
153: {
154: if (flag == DRAW_CURSOR)
155: draw_cursor(ip)
156: else if (flag == MOVE_CURSOR) {
157: erase_cursor(ip)
158: draw_cursor(ip)
159: }
160: else
161: erase_cursor(ip)
162: }
163:
164: gatorbox_clear(ip, sy, sx, h, w)
165: struct ite_softc *ip;
166: register int sy, sx, h, w;
167: {
168: gatorbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
169: sy * ip->ftheight, sx * ip->ftwidth,
170: h * ip->ftheight, w * ip->ftwidth,
171: RR_CLEAR);
172: }
173: #define gatorbox_blockmove(ip, sy, sx, dy, dx, h, w) \
174: gatorbox_windowmove((ip), \
175: (sy) * ip->ftheight, \
176: (sx) * ip->ftwidth, \
177: (dy) * ip->ftheight, \
178: (dx) * ip->ftwidth, \
179: (h) * ip->ftheight, \
180: (w) * ip->ftwidth, \
181: RR_COPY)
182:
183: gatorbox_scroll(ip, sy, sx, count, dir)
184: register struct ite_softc *ip;
185: register int sy;
186: int dir, sx, count;
187: {
188: register int height, dy, i;
189:
190: tile_mover_waitbusy(REGADDR);
191: REGBASE->write_protect = 0x0;
192:
193: gatorbox_cursor(ip, ERASE_CURSOR);
194:
195: if (dir == SCROLL_UP) {
196: dy = sy - count;
197: height = ip->rows - sy;
198: for (i = 0; i < height; i++)
199: gatorbox_blockmove(ip, sy + i, sx, dy + i, 0,
200: 1, ip->cols);
201: }
202: else if (dir == SCROLL_DOWN) {
203: dy = sy + count;
204: height = ip->rows - dy;
205: for (i = (height - 1); i >= 0; i--)
206: gatorbox_blockmove(ip, sy + i, sx, dy + i, 0,
207: 1, ip->cols);
208: }
209: else if (dir == SCROLL_RIGHT) {
210: gatorbox_blockmove(ip, sy, sx, sy, sx + count,
211: 1, ip->cols - (sx + count));
212: }
213: else {
214: gatorbox_blockmove(ip, sy, sx, sy, sx - count,
215: 1, ip->cols - sx);
216: }
217: }
218:
219: gatorbox_windowmove(ip, sy, sx, dy, dx, h, w, mask)
220: register struct ite_softc *ip;
221: int sy, sx, dy, dx, mask;
222: register int h, w;
223: {
224: register int src, dest;
225:
226: src = (sy * 1024) + sx; /* upper left corner in pixels */
227: dest = (dy * 1024) + dx;
228:
229: tile_mover_waitbusy(REGADDR);
230: REGBASE->width = -(w / 4);
231: REGBASE->height = -(h / 4);
232: if (src < dest)
233: REGBASE->rep_rule = MOVE_DOWN_RIGHT|mask;
234: else {
235: REGBASE->rep_rule = MOVE_UP_LEFT|mask;
236: /*
237: * Adjust to top of lower right tile of the block.
238: */
239: src = src + ((h - 4) * 1024) + (w - 4);
240: dest= dest + ((h - 4) * 1024) + (w - 4);
241: }
242: FBBASE[dest] = FBBASE[src];
243: }
244: #endif
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