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
|
/* $OpenBSD: fb.c,v 1.3 2003/06/28 14:26:17 miod Exp $ */
/* $NetBSD: fb.c,v 1.23 1997/07/07 23:30:22 pk Exp $ */
/*
* Copyright (c) 2002 Miodrag Vallat
* 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.
*
* 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.
*
*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* 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. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* @(#)fb.c 8.1 (Berkeley) 6/11/93
*/
/*
* Common wsdisplay framebuffer drivers helpers.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/conf.h>
#include <machine/autoconf.h>
#include <machine/conf.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/wscons/wscons_raster.h>
#include <dev/rasops/rasops.h>
#include <machine/fbvar.h>
#include "wsdisplay.h"
/*
* emergency unblank code
* XXX should be somewhat moved to wscons MI code
*/
void (*fb_burner)(void *, u_int, u_int);
void *fb_cookie;
void
fb_unblank()
{
if (fb_burner != NULL)
(*fb_burner)(fb_cookie, 1, 0);
}
#if NWSDISPLAY > 0
void
fb_setsize(struct sunfb *sf, int def_depth, int def_width, int def_height,
int node, int unused)
{
int def_linebytes;
sf->sf_depth = getpropint(node, "depth", def_depth);
sf->sf_width = getpropint(node, "width", def_width);
sf->sf_height = getpropint(node, "height", def_height);
def_linebytes =
roundup(sf->sf_width, sf->sf_depth) * sf->sf_depth / 8;
sf->sf_linebytes = getpropint(node, "linebytes", def_linebytes);
/*
* XXX If we are configuring a board in a wider depth level
* than the mode it is currently operating in, the PROM will
* return a linebytes property tied to the current depth value,
* which is NOT what we are relying upon!
*/
if (sf->sf_linebytes < (sf->sf_width * sf->sf_depth) / 8) {
sf->sf_linebytes = def_linebytes;
}
sf->sf_fbsize = sf->sf_height * sf->sf_linebytes;
}
int a2int(char *, int);
int
a2int(char *cp, int deflt)
{
int i = 0;
if (*cp == '\0')
return (deflt);
while (*cp != '\0')
i = i * 10 + *cp++ - '0';
return (i);
}
void
fbwscons_init(struct sunfb *sf, int flags)
{
int cols, rows;
/* ri_hw and ri_bits must have already been setup by caller */
sf->sf_ro.ri_flg = RI_CENTER | RI_FULLCLEAR | flags;
sf->sf_ro.ri_depth = sf->sf_depth;
sf->sf_ro.ri_stride = sf->sf_linebytes;
sf->sf_ro.ri_width = sf->sf_width;
sf->sf_ro.ri_height = sf->sf_height;
rows = a2int(getpropstring(optionsnode, "screen-#rows"), 34);
cols = a2int(getpropstring(optionsnode, "screen-#columns"), 80);
rasops_init(&sf->sf_ro, rows, cols);
}
void
fbwscons_console_init(struct sunfb *sf, struct wsscreen_descr *wsc, int row,
void (*burner)(void *, u_int, u_int))
{
long defattr;
if (romgetcursoraddr(&sf->sf_crowp, &sf->sf_ccolp))
sf->sf_ccolp = sf->sf_crowp = NULL;
if (sf->sf_ccolp != NULL)
sf->sf_ro.ri_ccol = *sf->sf_ccolp;
if (row < 0) {
if (sf->sf_crowp != NULL)
sf->sf_ro.ri_crow = *sf->sf_crowp;
else
/* assume last row */
sf->sf_ro.ri_crow = sf->sf_ro.ri_rows - 1;
} else {
sf->sf_ro.ri_crow = row;
if (sf->sf_crowp != NULL)
*sf->sf_crowp = row;
}
/*
* Scale back rows and columns if the font would not otherwise
* fit on this display. Without this we would panic later.
*/
if (sf->sf_ro.ri_crow >= wsc->nrows)
sf->sf_ro.ri_crow = wsc->nrows - 1;
if (sf->sf_ro.ri_ccol >= wsc->ncols)
sf->sf_ro.ri_ccol = wsc->ncols - 1;
/*
* Select appropriate color settings to mimic a
* black on white Sun console.
*/
if (sf->sf_depth > 8) {
wscol_white = 0;
wscol_black = 255;
wskernel_bg = 0;
wskernel_fg = 255;
}
if (ISSET(wsc->capabilities, WSSCREEN_WSCOLORS) &&
sf->sf_depth == 8) {
sf->sf_ro.ri_ops.alloc_attr(&sf->sf_ro,
WSCOL_BLACK, WSCOL_WHITE, WSATTR_WSCOLORS, &defattr);
} else {
sf->sf_ro.ri_ops.alloc_attr(&sf->sf_ro, 0, 0, 0, &defattr);
}
wsdisplay_cnattach(wsc, &sf->sf_ro,
sf->sf_ro.ri_ccol, sf->sf_ro.ri_crow, defattr);
/* remember screen burner routine */
fb_burner = burner;
fb_cookie = sf;
}
void
fbwscons_setcolormap(struct sunfb *sf,
void (*setcolor)(void *, u_int, u_int8_t, u_int8_t, u_int8_t))
{
int i;
u_char *color;
if (sf->sf_depth <= 8 && setcolor != NULL) {
for (i = 0; i < 16; i++) {
color = (u_char *)&rasops_cmap[i * 3];
setcolor(sf, i, color[0], color[1], color[2]);
}
/* compensate for BoW palette */
setcolor(sf, WSCOL_BLACK, 0, 0, 0);
setcolor(sf, 255, 0, 0, 0); /* cursor */
setcolor(sf, WSCOL_WHITE, 255, 255, 255);
}
}
#endif /* NWSDISPLAY */
|
