1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
|
/* $NetBSD: ite_et.c,v 1.1 1996/05/19 21:06:00 veego Exp $ */
/*
* Copyright (c) 1995 Ezra Story
* Copyright (c) 1995 Kari Mettinen
* Copyright (c) 1994 Markus Wild
* Copyright (c) 1994 Lutz Vieweg
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Lutz Vieweg.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "grfet.h"
#if NGRFET > 0
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/proc.h>
#include <sys/device.h>
#include <sys/ioctl.h>
#include <sys/tty.h>
#include <sys/systm.h>
#include <dev/cons.h>
#include <machine/cpu.h>
#include <amiga/amiga/device.h>
#include <amiga/dev/grfioctl.h>
#include <amiga/dev/grfvar.h>
#include <amiga/dev/grf_etreg.h>
#include <amiga/dev/itevar.h>
#ifdef TSENGCONSOLE
int et_console = 1;
#else
int et_console = 0;
#endif
void et_init __P((struct ite_softc *ip));
void et_cursor __P((struct ite_softc *ip, int flag));
void et_deinit __P((struct ite_softc *ip));
void et_putc __P((struct ite_softc *ip, int c, int dy, int dx, int mode));
void et_clear __P((struct ite_softc *ip, int sy, int sx, int h, int w));
void et_scroll __P((struct ite_softc *ip, int sy, int sx, int count,
int dir));
/*
* Called to determine ite status. Because the connection between the
* console & ite in this driver is rather intimate, we return CN_DEAD
* if the cl_console is not active.
*/
int
grfet_cnprobe(void)
{
static int done;
int rv;
if (et_console && (done == 0))
rv = CN_INTERNAL;
else
rv = CN_DEAD;
done = 1;
return(rv);
}
void
grfet_iteinit(gp)
struct grf_softc *gp;
{
gp->g_iteinit = et_init;
gp->g_itedeinit = et_deinit;
gp->g_iteclear = et_clear;
gp->g_iteputc = et_putc;
gp->g_itescroll = et_scroll;
gp->g_itecursor = et_cursor;
}
void
et_init(ip)
struct ite_softc *ip;
{
struct grfettext_mode *md;
ip->priv = ip->grf->g_data;
md = (struct grfettext_mode *) ip->priv;
ip->cols = md->cols;
ip->rows = md->rows;
}
void
et_cursor(ip, flag)
struct ite_softc *ip;
int flag;
{
volatile u_char *ba = ip->grf->g_regkva;
switch (flag) {
case DRAW_CURSOR:
/*WCrt(ba, CRT_ID_CURSOR_START, & ~0x20); */
case MOVE_CURSOR:
flag = ip->curx + ip->cury * ip->cols;
WCrt(ba, CRT_ID_CURSOR_LOC_LOW, flag & 0xff);
WCrt(ba, CRT_ID_CURSOR_LOC_HIGH, (flag >> 8) & 0xff);
WCrt(ba, CTR_ID_EXT_START, (flag >> (16-2)) & 0x0c);
ip->cursorx = ip->curx;
ip->cursory = ip->cury;
break;
case ERASE_CURSOR:
/*WCrt(ba, CRT_ID_CURSOR_START, | 0x20); */
case START_CURSOROPT:
case END_CURSOROPT:
default:
break;
}
}
void
et_deinit(ip)
struct ite_softc *ip;
{
ip->flags &= ~ITE_INITED;
}
void
et_putc(ip, c, dy, dx, mode)
struct ite_softc *ip;
int c;
int dy;
int dx;
int mode;
{
volatile unsigned char *ba = ip->grf->g_regkva;
unsigned char *fb = ip->grf->g_fbkva;
unsigned char attr;
unsigned char *cp;
attr =(unsigned char) ((mode & ATTR_INV) ? (0x70) : (0x07));
if (mode & ATTR_UL) attr = 0x01; /* ???????? */
if (mode & ATTR_BOLD) attr |= 0x08;
if (mode & ATTR_BLINK) attr |= 0x80;
cp = fb + ((dy * ip->cols) + dx);
SetTextPlane(ba,0x00);
*cp = (unsigned char) c;
SetTextPlane(ba,0x01);
*cp = (unsigned char) attr;
}
void
et_clear(ip, sy, sx, h, w)
struct ite_softc *ip;
int sy;
int sx;
int h;
int w;
{
/* cl_clear and cl_scroll both rely on ite passing arguments
* which describe continuous regions. For a VT200 terminal,
* this is safe behavior.
*/
unsigned char *src, *dst;
volatile unsigned char *ba = ip->grf->g_regkva;
int len;
dst = ip->grf->g_fbkva + (sy * ip->cols) + sx;
src = dst + (ip->rows*ip->cols);
len = w*h;
SetTextPlane(ba, 0x00);
bcopy(src, dst, len);
SetTextPlane(ba, 0x01);
bcopy(src, dst, len);
}
void
et_scroll(ip, sy, sx, count, dir)
struct ite_softc *ip;
int sy;
int sx;
int count;
int dir;
{
unsigned char *fb;
volatile unsigned char *ba = ip->grf->g_regkva;
fb = ip->grf->g_fbkva + sy * ip->cols;
SetTextPlane(ba, 0x00);
switch (dir) {
case SCROLL_UP:
bcopy(fb, fb - (count * ip->cols),
(ip->bottom_margin + 1 - sy) * ip->cols);
break;
case SCROLL_DOWN:
bcopy(fb, fb + (count * ip->cols),
(ip->bottom_margin + 1 - (sy + count)) * ip->cols);
break;
case SCROLL_RIGHT:
bcopy(fb+sx, fb+sx+count, ip->cols - (sx + count));
break;
case SCROLL_LEFT:
bcopy(fb+sx, fb+sx-count, ip->cols - sx);
break;
}
SetTextPlane(ba, 0x01);
switch (dir) {
case SCROLL_UP:
bcopy(fb, fb - (count * ip->cols),
(ip->bottom_margin + 1 - sy) * ip->cols);
break;
case SCROLL_DOWN:
bcopy(fb, fb + (count * ip->cols),
(ip->bottom_margin + 1 - (sy + count)) * ip->cols);
break;
case SCROLL_RIGHT:
bcopy(fb+sx, fb+sx+count, ip->cols - (sx + count));
break;
case SCROLL_LEFT:
bcopy(fb+sx, fb+sx-count, ip->cols - sx);
break;
}
}
#endif /* NGRFET */
|
