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
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2015 Google, Inc
* (C) Copyright 2015
* Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
* (C) Copyright 2023 Dzmitry Sankouski <dsankouski@gmail.com>
*/
#include <video.h>
#include <video_console.h>
#include <dm.h>
#include <video_font.h>
#include "vidconsole_internal.h"
/**
* console_set_font() - prepare vidconsole for chosen font.
*
* @dev vidconsole device
* @fontdata pointer to font data struct
*/
static int console_set_font(struct udevice *dev, struct video_fontdata *fontdata)
{
struct console_simple_priv *priv = dev_get_priv(dev);
struct vidconsole_priv *vc_priv = dev_get_uclass_priv(dev);
struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
debug("console_simple: setting %s font\n", fontdata->name);
debug("width: %d\n", fontdata->width);
debug("byte width: %d\n", fontdata->byte_width);
debug("height: %d\n", fontdata->height);
priv->fontdata = fontdata;
vc_priv->x_charsize = fontdata->width;
vc_priv->y_charsize = fontdata->height;
if (vid_priv->rot % 2) {
vc_priv->cols = vid_priv->ysize / fontdata->width;
vc_priv->rows = vid_priv->xsize / fontdata->height;
vc_priv->xsize_frac = VID_TO_POS(vid_priv->ysize);
} else {
vc_priv->cols = vid_priv->xsize / fontdata->width;
vc_priv->rows = vid_priv->ysize / fontdata->height;
}
return 0;
}
int check_bpix_support(int bpix)
{
if (bpix == VIDEO_BPP8 && CONFIG_IS_ENABLED(VIDEO_BPP8))
return 0;
else if (bpix == VIDEO_BPP16 && CONFIG_IS_ENABLED(VIDEO_BPP16))
return 0;
else if (bpix == VIDEO_BPP32 && CONFIG_IS_ENABLED(VIDEO_BPP32))
return 0;
else
return -ENOSYS;
}
inline void fill_pixel_and_goto_next(void **dstp, u32 value, int pbytes, int step)
{
u8 *dst_byte = *dstp;
if (pbytes == 4) {
u32 *dst = *dstp;
*dst = value;
}
if (pbytes == 2) {
u16 *dst = *dstp;
*dst = value;
}
if (pbytes == 1) {
u8 *dst = *dstp;
*dst = value;
}
*dstp = dst_byte + step;
}
int fill_char_vertically(uchar *pfont, void **line, struct video_priv *vid_priv,
struct video_fontdata *fontdata, bool direction)
{
int step, line_step, pbytes, bitcount, width_remainder, ret;
void *dst;
ret = check_bpix_support(vid_priv->bpix);
if (ret)
return ret;
pbytes = VNBYTES(vid_priv->bpix);
if (direction) {
step = -pbytes;
line_step = -vid_priv->line_length;
} else {
step = pbytes;
line_step = vid_priv->line_length;
}
width_remainder = fontdata->width % 8;
for (int row = 0; row < fontdata->height; row++) {
uchar bits;
bitcount = 8;
dst = *line;
for (int col = 0; col < fontdata->byte_width; col++) {
if (width_remainder) {
bool is_last_col = (fontdata->byte_width - col == 1);
if (is_last_col)
bitcount = width_remainder;
}
bits = pfont[col];
for (int bit = 0; bit < bitcount; bit++) {
u32 value = (bits & 0x80) ?
vid_priv->colour_fg :
vid_priv->colour_bg;
fill_pixel_and_goto_next(&dst,
value,
pbytes,
step
);
bits <<= 1;
}
}
*line += line_step;
pfont += fontdata->byte_width;
}
return ret;
}
int fill_char_horizontally(uchar *pfont, void **line, struct video_priv *vid_priv,
struct video_fontdata *fontdata, bool direction)
{
int step, line_step, pbytes, bitcount = 8, width_remainder, ret;
void *dst;
u8 mask;
ret = check_bpix_support(vid_priv->bpix);
if (ret)
return ret;
pbytes = VNBYTES(vid_priv->bpix);
if (direction) {
step = -pbytes;
line_step = vid_priv->line_length;
} else {
step = pbytes;
line_step = -vid_priv->line_length;
}
width_remainder = fontdata->width % 8;
for (int col = 0; col < fontdata->byte_width; col++) {
mask = 0x80;
if (width_remainder) {
bool is_last_col = (fontdata->byte_width - col == 1);
if (is_last_col)
bitcount = width_remainder;
}
for (int bit = 0; bit < bitcount; bit++) {
dst = *line;
for (int row = 0; row < fontdata->height; row++) {
u32 value = (pfont[row * fontdata->byte_width + col]
& mask) ? vid_priv->colour_fg : vid_priv->colour_bg;
fill_pixel_and_goto_next(&dst,
value,
pbytes,
step
);
}
*line += line_step;
mask >>= 1;
}
}
return ret;
}
int console_probe(struct udevice *dev)
{
return console_set_font(dev, fonts);
}
const char *console_simple_get_font_size(struct udevice *dev, uint *sizep)
{
struct console_simple_priv *priv = dev_get_priv(dev);
*sizep = priv->fontdata->width;
return priv->fontdata->name;
}
int console_simple_get_font(struct udevice *dev, int seq, struct vidfont_info *info)
{
info->name = fonts[seq].name;
return 0;
}
int console_simple_select_font(struct udevice *dev, const char *name, uint size)
{
struct video_fontdata *font;
if (!name) {
if (fonts->name)
console_set_font(dev, fonts);
return 0;
}
for (font = fonts; font->name; font++) {
if (!strcmp(name, font->name)) {
console_set_font(dev, font);
return 0;
}
};
printf("no such font: %s, make sure it's name has <width>x<height> format\n", name);
return -ENOENT;
}
|