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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: *
1.1.1.2 ! root 40: * from: @(#)ite_gb.c 7.5 (Berkeley) 5/7/91
! 41: * ite_gb.c,v 1.2 1993/05/22 07:56:28 cgd Exp
1.1 root 42: */
43:
44: #include "ite.h"
45: #if NITE > 0
46:
47: #include "param.h"
48: #include "conf.h"
49: #include "proc.h"
50: #include "ioctl.h"
51: #include "tty.h"
52: #include "systm.h"
53:
54: #include "itevar.h"
55: #include "itereg.h"
56: #include "grf_gbreg.h"
57:
58: #include "machine/cpu.h"
59:
60: /* XXX */
61: #include "grfioctl.h"
62: #include "grfvar.h"
63:
64: #define REGBASE ((struct gboxfb *)(ip->regbase))
65: #define WINDOWMOVER gatorbox_windowmove
66:
67: gatorbox_init(ip)
68: register struct ite_softc *ip;
69: {
70: /* XXX */
71: if (ip->regbase == 0) {
72: struct grf_softc *gp = &grf_softc[ip - ite_softc];
73: ip->regbase = gp->g_regkva;
74: ip->fbbase = gp->g_fbkva;
75: }
76:
77: REGBASE->write_protect = 0x0;
78: REGBASE->interrupt = 0x4;
79: REGBASE->rep_rule = RR_COPY;
80: REGBASE->blink1 = 0xff;
81: REGBASE->blink2 = 0xff;
82: gb_microcode(REGADDR);
83: REGBASE->sec_interrupt = 0x01;
84:
85: /*
86: * Set up the color map entries. We use three entries in the
87: * color map. The first, is for black, the second is for
88: * white, and the very last entry is for the inverted cursor.
89: */
90: REGBASE->creg_select = 0x00;
91: REGBASE->cmap_red = 0x00;
92: REGBASE->cmap_grn = 0x00;
93: REGBASE->cmap_blu = 0x00;
94: REGBASE->cmap_write = 0x00;
95: gbcm_waitbusy(REGADDR);
96:
97: REGBASE->creg_select = 0x01;
98: REGBASE->cmap_red = 0xFF;
99: REGBASE->cmap_grn = 0xFF;
100: REGBASE->cmap_blu = 0xFF;
101: REGBASE->cmap_write = 0x01;
102: gbcm_waitbusy(REGADDR);
103:
104: REGBASE->creg_select = 0xFF;
105: REGBASE->cmap_red = 0xFF;
106: REGBASE->cmap_grn = 0xFF;
107: REGBASE->cmap_blu = 0xFF;
108: REGBASE->cmap_write = 0x01;
109: gbcm_waitbusy(REGADDR);
110:
111: ite_devinfo(ip);
112: ite_fontinit(ip);
113:
114: /*
115: * Clear the display. This used to be before the font unpacking
116: * but it crashes. Figure it out later.
117: */
118: gatorbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
119: tile_mover_waitbusy(REGADDR);
120:
121: /*
122: * Stash the inverted cursor.
123: */
124: gatorbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
125: ip->cblanky, ip->cblankx, ip->ftheight,
126: ip->ftwidth, RR_COPYINVERTED);
127: }
128:
129: gatorbox_deinit(ip)
130: struct ite_softc *ip;
131: {
132: gatorbox_windowmove(ip, 0, 0, 0, 0,
133: ip->dheight, ip->dwidth, RR_CLEAR);
134: tile_mover_waitbusy(REGADDR);
135:
136: ip->flags &= ~ITE_INITED;
137: }
138:
139: gatorbox_putc(ip, c, dy, dx, mode)
140: register struct ite_softc *ip;
141: register int dy, dx;
142: int c, mode;
143: {
144: register int wrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
145:
146: gatorbox_windowmove(ip, charY(ip, c), charX(ip, c),
147: dy * ip->ftheight, dx * ip->ftwidth,
148: ip->ftheight, ip->ftwidth, wrr);
149: }
150:
151: gatorbox_cursor(ip, flag)
152: register struct ite_softc *ip;
153: register int flag;
154: {
155: if (flag == DRAW_CURSOR)
156: draw_cursor(ip)
157: else if (flag == MOVE_CURSOR) {
158: erase_cursor(ip)
159: draw_cursor(ip)
160: }
161: else
162: erase_cursor(ip)
163: }
164:
165: gatorbox_clear(ip, sy, sx, h, w)
166: struct ite_softc *ip;
167: register int sy, sx, h, w;
168: {
169: gatorbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
170: sy * ip->ftheight, sx * ip->ftwidth,
171: h * ip->ftheight, w * ip->ftwidth,
172: RR_CLEAR);
173: }
174: #define gatorbox_blockmove(ip, sy, sx, dy, dx, h, w) \
175: gatorbox_windowmove((ip), \
176: (sy) * ip->ftheight, \
177: (sx) * ip->ftwidth, \
178: (dy) * ip->ftheight, \
179: (dx) * ip->ftwidth, \
180: (h) * ip->ftheight, \
181: (w) * ip->ftwidth, \
182: RR_COPY)
183:
184: gatorbox_scroll(ip, sy, sx, count, dir)
185: register struct ite_softc *ip;
186: register int sy;
187: int dir, sx, count;
188: {
189: register int height, dy, i;
190:
191: tile_mover_waitbusy(REGADDR);
192: REGBASE->write_protect = 0x0;
193:
194: gatorbox_cursor(ip, ERASE_CURSOR);
195:
196: if (dir == SCROLL_UP) {
197: dy = sy - count;
198: height = ip->rows - sy;
199: for (i = 0; i < height; i++)
200: gatorbox_blockmove(ip, sy + i, sx, dy + i, 0,
201: 1, ip->cols);
202: }
203: else if (dir == SCROLL_DOWN) {
204: dy = sy + count;
205: height = ip->rows - dy;
206: for (i = (height - 1); i >= 0; i--)
207: gatorbox_blockmove(ip, sy + i, sx, dy + i, 0,
208: 1, ip->cols);
209: }
210: else if (dir == SCROLL_RIGHT) {
211: gatorbox_blockmove(ip, sy, sx, sy, sx + count,
212: 1, ip->cols - (sx + count));
213: }
214: else {
215: gatorbox_blockmove(ip, sy, sx, sy, sx - count,
216: 1, ip->cols - sx);
217: }
218: }
219:
220: gatorbox_windowmove(ip, sy, sx, dy, dx, h, w, mask)
221: register struct ite_softc *ip;
222: int sy, sx, dy, dx, mask;
223: register int h, w;
224: {
225: register int src, dest;
226:
227: src = (sy * 1024) + sx; /* upper left corner in pixels */
228: dest = (dy * 1024) + dx;
229:
230: tile_mover_waitbusy(REGADDR);
231: REGBASE->width = -(w / 4);
232: REGBASE->height = -(h / 4);
233: if (src < dest)
234: REGBASE->rep_rule = MOVE_DOWN_RIGHT|mask;
235: else {
236: REGBASE->rep_rule = MOVE_UP_LEFT|mask;
237: /*
238: * Adjust to top of lower right tile of the block.
239: */
240: src = src + ((h - 4) * 1024) + (w - 4);
241: dest= dest + ((h - 4) * 1024) + (w - 4);
242: }
243: FBBASE[dest] = FBBASE[src];
244: }
245: #endif
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