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
258
259
260
261
262
263
264
265
266
267
268
269
270
271
|
/* $NetBSD: ite_rh.c,v 1.5 1995/04/06 19:19:45 chopps Exp $ */
/*
* 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 "grfrh.h"
#if NGRFRH > 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_rhreg.h>
#include <amiga/dev/itevar.h>
/*
* grfrh_cnprobe is called when the console is being initialized
* i.e. very early. grfconfig() has been called, so this implies
* that rt_init() was called. If we are functioning rh_inited
* will be true.
*/
int
grfrh_cnprobe()
{
static int done;
int rv;
if (done == 0)
rv = CN_INTERNAL;
else
rv = CN_NORMAL;
done = 1;
return(rv);
}
void
grfrh_iteinit(gp)
struct grf_softc *gp;
{
gp->g_iteinit = rh_init;
gp->g_itedeinit = rh_deinit;
gp->g_iteclear = rh_clear;
gp->g_iteputc = rh_putc;
gp->g_itescroll = rh_scroll;
gp->g_itecursor = rh_cursor;
}
void
rh_init(ip)
struct ite_softc *ip;
{
struct MonDef *md;
extern unsigned char RZ3StdPalette[];
#if 0 /* Not in ite_rt.c - DC */
if (ip->grf == 0)
ip->grf = &grf_softc[ip - ite_softc];
#endif
ip->priv = ip->grf->g_data;
md = (struct MonDef *) ip->priv;
ip->cols = md->TX;
ip->rows = md->TY;
}
void
rh_cursor(ip, flag)
struct ite_softc *ip;
int flag;
{
volatile u_char *ba = ip->grf->g_regkva;
if (flag == START_CURSOROPT || flag == END_CURSOROPT)
return;
if (flag == ERASE_CURSOR) {
#if 0
/* disable cursor */
WCrt (ba, CRT_ID_CURSOR_START,
RCrt (ba, CRT_ID_CURSOR_START) | 0x20);
#endif
} else {
int pos = ip->curx + ip->cury * ip->cols;
#if 0
/* make sure to enable cursor */
WCrt (ba, CRT_ID_CURSOR_START,
RCrt (ba, CRT_ID_CURSOR_START) & ~0x20);
#endif
/* and position it */
RZ3SetCursorPos (ip->grf, pos);
ip->cursorx = ip->curx;
ip->cursory = ip->cury;
}
}
static void
screen_up(ip, top, bottom, lines)
struct ite_softc *ip;
int top;
int bottom;
int lines;
{
volatile u_char * ba = ip->grf->g_regkva;
volatile u_char * fb = ip->grf->g_fbkva;
/* do some bounds-checking here.. */
if (top >= bottom)
return;
if (top + lines >= bottom) {
RZ3AlphaErase(ip->grf, 0, top, bottom - top, ip->cols);
return;
}
RZ3AlphaCopy(ip->grf, 0, top+lines, 0, top, ip->cols, bottom-top-lines+1);
RZ3AlphaErase(ip->grf, 0, bottom - lines + 1, ip->cols, lines);
}
static void
screen_down (ip, top, bottom, lines)
struct ite_softc *ip;
int top;
int bottom;
int lines;
{
volatile u_char * ba = ip->grf->g_regkva;
volatile u_char * fb = ip->grf->g_fbkva;
/* do some bounds-checking here.. */
if (top >= bottom)
return;
if (top + lines >= bottom) {
RZ3AlphaErase(ip->grf, 0, top, bottom - top, ip->cols);
return;
}
RZ3AlphaCopy(ip->grf, 0, top, 0, top+lines, ip->cols, bottom-top-lines+1);
RZ3AlphaErase(ip->grf, 0, top, ip->cols, lines);
}
void
rh_deinit(ip)
struct ite_softc *ip;
{
ip->flags &= ~ITE_INITED;
}
void
rh_putc(ip, c, dy, dx, mode)
struct ite_softc *ip;
int c;
int dy;
int dx;
int mode;
{
volatile u_char * ba = ip->grf->g_regkva;
volatile u_char * fb = ip->grf->g_fbkva;
register u_char attr;
attr = (mode & ATTR_INV) ? 0x21 : 0x10;
if (mode & ATTR_UL) attr = 0x01; /* ???????? */
if (mode & ATTR_BOLD) attr |= 0x08;
if (mode & ATTR_BLINK) attr |= 0x80;
fb += 4 * (dy * ip->cols + dx);
*fb++ = c; *fb = attr;
}
void
rh_clear(ip, sy, sx, h, w)
struct ite_softc *ip;
int sy;
int sx;
int h;
int w;
{
RZ3AlphaErase (ip->grf, sx, sy, w, h);
}
/*
* RETINA_SPEED_HACK code seems to work on some boards and on others
* it causes text to smear horizontally
*/
void
rh_scroll(ip, sy, sx, count, dir)
struct ite_softc *ip;
int sy;
int sx;
int count;
int dir;
{
volatile u_char * ba = ip->grf->g_regkva;
u_long * fb = (u_long *) ip->grf->g_fbkva;
register int height, dy, i;
rh_cursor(ip, ERASE_CURSOR);
if (dir == SCROLL_UP) {
#ifdef RETINA_SPEED_HACK
screen_up(ip, sy - count, ip->bottom_margin, count);
#else
bcopy(fb + sy * ip->cols, fb + (sy - count) * ip->cols,
4 * (ip->bottom_margin - sy + 1) * ip->cols);
rh_clear(ip, ip->bottom_margin + 1 - count, 0, count, ip->cols);
#endif
} else if (dir == SCROLL_DOWN) {
#ifdef RETINA_SPEED_HACK
screen_down(ip, sy, ip->bottom_margin, count);
#else
bcopy(fb + sy * ip->cols, fb + (sy + count) * ip->cols,
4 * (ip->bottom_margin - sy - count + 1) * ip->cols);
rh_clear(ip, sy, 0, count, ip->cols);
#endif
} else if (dir == SCROLL_RIGHT) {
RZ3AlphaCopy(ip->grf, sx, sy, sx + count, sy,
ip->cols - (sx + count), 1);
RZ3AlphaErase(ip->grf, sx, sy, count, 1);
} else {
RZ3AlphaCopy(ip->grf, sx + count, sy, sx, sy,
ip->cols - (sx + count), 1);
RZ3AlphaErase(ip->grf, ip->cols - count, sy, count, 1);
}
#ifndef RETINA_SPEED_HACK
retina_cursor(ip, !ERASE_CURSOR);
#endif
}
#endif /* NGRFRH */
|
