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
|
/*
* Copyright (c) 2014 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <bzlib.h>
#include <dm.h>
#include <mapmem.h>
#include <os.h>
#include <video.h>
#include <video_console.h>
#include <dm/test.h>
#include <dm/uclass-internal.h>
#include <test/ut.h>
/*
* These tests use the standard sandbox frame buffer, the resolution of which
* is defined in the device tree. This only supports 16bpp so the tests only
* test that code path. It would be possible to adjust this fairly easily,
* by adjusting the bpix value in struct sandbox_sdl_plat. However the code
* in sandbox_sdl_sync() would also need to change to handle the different
* surface depth.
*/
DECLARE_GLOBAL_DATA_PTR;
/* Basic test of the video uclass */
static int dm_test_video_base(struct unit_test_state *uts)
{
struct video_priv *priv;
struct udevice *dev;
ut_assertok(uclass_get_device(UCLASS_VIDEO, 0, &dev));
ut_asserteq(1366, video_get_xsize(dev));
ut_asserteq(768, video_get_ysize(dev));
priv = dev_get_uclass_priv(dev);
ut_asserteq(priv->fb_size, 1366 * 768 * 2);
return 0;
}
DM_TEST(dm_test_video_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/**
* compress_frame_buffer() - Compress the frame buffer and return its size
*
* We want to write tests which perform operations on the video console and
* check that the frame buffer ends up with the correct contents. But it is
* painful to store 'known good' images for comparison with the frame
* buffer. As an alternative, we can compress the frame buffer and check the
* size of the compressed data. This provides a pretty good level of
* certainty and the resulting tests need only check a single value.
*
* @dev: Video device
* @return compressed size of the frame buffer, or -ve on error
*/
static int compress_frame_buffer(struct udevice *dev)
{
struct video_priv *priv = dev_get_uclass_priv(dev);
uint destlen;
void *dest;
int ret;
destlen = priv->fb_size;
dest = malloc(priv->fb_size);
if (!dest)
return -ENOMEM;
ret = BZ2_bzBuffToBuffCompress(dest, &destlen,
priv->fb, priv->fb_size,
3, 0, 0);
free(dest);
if (ret)
return ret;
return destlen;
}
/*
* Call this function at any point to halt and show the current display. Be
* sure to run the test with the -l flag.
*/
static void __maybe_unused see_output(void)
{
video_sync_all();
while (1);
}
/* Test text output works on the video console */
static int dm_test_video_text(struct unit_test_state *uts)
{
struct udevice *dev, *con;
int i;
#define WHITE 0xffff
#define SCROLL_LINES 100
ut_assertok(uclass_get_device(UCLASS_VIDEO, 0, &dev));
ut_asserteq(46, compress_frame_buffer(dev));
ut_assertok(uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con));
vidconsole_putc_xy(con, 0, 0, 'a');
ut_asserteq(79, compress_frame_buffer(dev));
vidconsole_putc_xy(con, 0, 0, ' ');
ut_asserteq(46, compress_frame_buffer(dev));
for (i = 0; i < 20; i++)
vidconsole_putc_xy(con, i * 8, 0, ' ' + i);
ut_asserteq(273, compress_frame_buffer(dev));
vidconsole_set_row(con, 0, WHITE);
ut_asserteq(46, compress_frame_buffer(dev));
for (i = 0; i < 20; i++)
vidconsole_putc_xy(con, i * 8, 0, ' ' + i);
ut_asserteq(273, compress_frame_buffer(dev));
return 0;
}
DM_TEST(dm_test_video_text, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/* Test handling of special characters in the console */
static int dm_test_video_chars(struct unit_test_state *uts)
{
struct udevice *dev, *con;
const char *test_string = "Well\b\b\b\bxhe is\r \n\ta very modest \bman\n\t\tand Has much to\b\bto be modest about.";
const char *s;
ut_assertok(uclass_get_device(UCLASS_VIDEO, 0, &dev));
ut_assertok(uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con));
for (s = test_string; *s; s++)
vidconsole_put_char(con, *s);
ut_asserteq(466, compress_frame_buffer(dev));
return 0;
}
DM_TEST(dm_test_video_chars, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/**
* check_vidconsole_output() - Run a text console test
*
* @uts: Test state
* @rot: Console rotation (0, 90, 180, 270)
* @wrap_size: Expected size of compressed frame buffer for the wrap test
* @scroll_size: Same for the scroll test
* @return 0 on success
*/
static int check_vidconsole_output(struct unit_test_state *uts, int rot,
int wrap_size, int scroll_size)
{
struct udevice *dev, *con;
struct sandbox_sdl_plat *plat;
int i;
ut_assertok(uclass_find_device(UCLASS_VIDEO, 0, &dev));
ut_assert(!device_active(dev));
plat = dev_get_platdata(dev);
plat->rot = rot;
ut_assertok(uclass_get_device(UCLASS_VIDEO, 0, &dev));
ut_assertok(uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con));
ut_asserteq(46, compress_frame_buffer(dev));
/* Check display wrap */
for (i = 0; i < 120; i++)
vidconsole_put_char(con, 'A' + i % 50);
ut_asserteq(wrap_size, compress_frame_buffer(dev));
/* Check display scrolling */
for (i = 0; i < SCROLL_LINES; i++) {
vidconsole_put_char(con, 'A' + i % 50);
vidconsole_put_char(con, '\n');
}
ut_asserteq(scroll_size, compress_frame_buffer(dev));
/* If we scroll enough, the screen becomes blank again */
for (i = 0; i < SCROLL_LINES; i++)
vidconsole_put_char(con, '\n');
ut_asserteq(46, compress_frame_buffer(dev));
return 0;
}
/* Test text output through the console uclass */
static int dm_test_video_context(struct unit_test_state *uts)
{
return check_vidconsole_output(uts, 0, 788, 453);
}
DM_TEST(dm_test_video_context, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
|
