1 /* 2 * Copyright (c) 2014 Google, Inc 3 * Written by Simon Glass <sjg@chromium.org> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #include <common.h> 9 #include <bzlib.h> 10 #include <dm.h> 11 #include <mapmem.h> 12 #include <os.h> 13 #include <video.h> 14 #include <video_console.h> 15 #include <dm/test.h> 16 #include <dm/uclass-internal.h> 17 #include <test/ut.h> 18 19 /* 20 * These tests use the standard sandbox frame buffer, the resolution of which 21 * is defined in the device tree. This only supports 16bpp so the tests only 22 * test that code path. It would be possible to adjust this fairly easily, 23 * by adjusting the bpix value in struct sandbox_sdl_plat. However the code 24 * in sandbox_sdl_sync() would also need to change to handle the different 25 * surface depth. 26 */ 27 DECLARE_GLOBAL_DATA_PTR; 28 29 /* Basic test of the video uclass */ 30 static int dm_test_video_base(struct unit_test_state *uts) 31 { 32 struct video_priv *priv; 33 struct udevice *dev; 34 35 ut_assertok(uclass_get_device(UCLASS_VIDEO, 0, &dev)); 36 ut_asserteq(1366, video_get_xsize(dev)); 37 ut_asserteq(768, video_get_ysize(dev)); 38 priv = dev_get_uclass_priv(dev); 39 ut_asserteq(priv->fb_size, 1366 * 768 * 2); 40 41 return 0; 42 } 43 DM_TEST(dm_test_video_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 44 45 /** 46 * compress_frame_buffer() - Compress the frame buffer and return its size 47 * 48 * We want to write tests which perform operations on the video console and 49 * check that the frame buffer ends up with the correct contents. But it is 50 * painful to store 'known good' images for comparison with the frame 51 * buffer. As an alternative, we can compress the frame buffer and check the 52 * size of the compressed data. This provides a pretty good level of 53 * certainty and the resulting tests need only check a single value. 54 * 55 * @dev: Video device 56 * @return compressed size of the frame buffer, or -ve on error 57 */ 58 static int compress_frame_buffer(struct udevice *dev) 59 { 60 struct video_priv *priv = dev_get_uclass_priv(dev); 61 uint destlen; 62 void *dest; 63 int ret; 64 65 destlen = priv->fb_size; 66 dest = malloc(priv->fb_size); 67 if (!dest) 68 return -ENOMEM; 69 ret = BZ2_bzBuffToBuffCompress(dest, &destlen, 70 priv->fb, priv->fb_size, 71 3, 0, 0); 72 free(dest); 73 if (ret) 74 return ret; 75 76 return destlen; 77 } 78 79 /* 80 * Call this function at any point to halt and show the current display. Be 81 * sure to run the test with the -l flag. 82 */ 83 static void __maybe_unused see_output(void) 84 { 85 video_sync_all(); 86 while (1); 87 } 88 89 /* Select the video console driver to use for a video device */ 90 static int select_vidconsole(struct unit_test_state *uts, const char *drv_name) 91 { 92 struct sandbox_sdl_plat *plat; 93 struct udevice *dev; 94 95 ut_assertok(uclass_find_device(UCLASS_VIDEO, 0, &dev)); 96 ut_assert(!device_active(dev)); 97 plat = dev_get_platdata(dev); 98 plat->vidconsole_drv_name = "vidconsole0"; 99 100 return 0; 101 } 102 103 /* Test text output works on the video console */ 104 static int dm_test_video_text(struct unit_test_state *uts) 105 { 106 struct udevice *dev, *con; 107 int i; 108 109 #define WHITE 0xffff 110 #define SCROLL_LINES 100 111 112 ut_assertok(select_vidconsole(uts, "vidconsole0")); 113 ut_assertok(uclass_get_device(UCLASS_VIDEO, 0, &dev)); 114 ut_asserteq(46, compress_frame_buffer(dev)); 115 116 ut_assertok(uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con)); 117 vidconsole_putc_xy(con, 0, 0, 'a'); 118 ut_asserteq(79, compress_frame_buffer(dev)); 119 120 vidconsole_putc_xy(con, 0, 0, ' '); 121 ut_asserteq(46, compress_frame_buffer(dev)); 122 123 for (i = 0; i < 20; i++) 124 vidconsole_putc_xy(con, VID_TO_POS(i * 8), 0, ' ' + i); 125 ut_asserteq(273, compress_frame_buffer(dev)); 126 127 vidconsole_set_row(con, 0, WHITE); 128 ut_asserteq(46, compress_frame_buffer(dev)); 129 130 for (i = 0; i < 20; i++) 131 vidconsole_putc_xy(con, VID_TO_POS(i * 8), 0, ' ' + i); 132 ut_asserteq(273, compress_frame_buffer(dev)); 133 134 return 0; 135 } 136 DM_TEST(dm_test_video_text, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 137 138 /* Test handling of special characters in the console */ 139 static int dm_test_video_chars(struct unit_test_state *uts) 140 { 141 struct udevice *dev, *con; 142 const char *test_string = "Well\b\b\b\bxhe is\r \n\ta very \amodest \bman\n\t\tand Has much to\b\bto be modest about."; 143 const char *s; 144 145 ut_assertok(select_vidconsole(uts, "vidconsole0")); 146 ut_assertok(uclass_get_device(UCLASS_VIDEO, 0, &dev)); 147 ut_assertok(uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con)); 148 for (s = test_string; *s; s++) 149 vidconsole_put_char(con, *s); 150 ut_asserteq(466, compress_frame_buffer(dev)); 151 152 return 0; 153 } 154 DM_TEST(dm_test_video_chars, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 155 156 /** 157 * check_vidconsole_output() - Run a text console test 158 * 159 * @uts: Test state 160 * @rot: Console rotation (0, 90, 180, 270) 161 * @wrap_size: Expected size of compressed frame buffer for the wrap test 162 * @scroll_size: Same for the scroll test 163 * @return 0 on success 164 */ 165 static int check_vidconsole_output(struct unit_test_state *uts, int rot, 166 int wrap_size, int scroll_size) 167 { 168 struct udevice *dev, *con; 169 struct sandbox_sdl_plat *plat; 170 int i; 171 172 ut_assertok(uclass_find_device(UCLASS_VIDEO, 0, &dev)); 173 ut_assert(!device_active(dev)); 174 plat = dev_get_platdata(dev); 175 plat->rot = rot; 176 177 ut_assertok(uclass_get_device(UCLASS_VIDEO, 0, &dev)); 178 ut_assertok(uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con)); 179 ut_asserteq(46, compress_frame_buffer(dev)); 180 181 /* Check display wrap */ 182 for (i = 0; i < 120; i++) 183 vidconsole_put_char(con, 'A' + i % 50); 184 ut_asserteq(wrap_size, compress_frame_buffer(dev)); 185 186 /* Check display scrolling */ 187 for (i = 0; i < SCROLL_LINES; i++) { 188 vidconsole_put_char(con, 'A' + i % 50); 189 vidconsole_put_char(con, '\n'); 190 } 191 ut_asserteq(scroll_size, compress_frame_buffer(dev)); 192 193 /* If we scroll enough, the screen becomes blank again */ 194 for (i = 0; i < SCROLL_LINES; i++) 195 vidconsole_put_char(con, '\n'); 196 ut_asserteq(46, compress_frame_buffer(dev)); 197 198 return 0; 199 } 200 201 /* Test text output through the console uclass */ 202 static int dm_test_video_context(struct unit_test_state *uts) 203 { 204 ut_assertok(select_vidconsole(uts, "vidconsole0")); 205 ut_assertok(check_vidconsole_output(uts, 0, 788, 453)); 206 207 return 0; 208 } 209 DM_TEST(dm_test_video_context, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 210 211 /* Test rotated text output through the console uclass */ 212 static int dm_test_video_rotation1(struct unit_test_state *uts) 213 { 214 ut_assertok(check_vidconsole_output(uts, 1, 1112, 680)); 215 216 return 0; 217 } 218 DM_TEST(dm_test_video_rotation1, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 219 220 /* Test rotated text output through the console uclass */ 221 static int dm_test_video_rotation2(struct unit_test_state *uts) 222 { 223 ut_assertok(check_vidconsole_output(uts, 2, 785, 446)); 224 225 return 0; 226 } 227 DM_TEST(dm_test_video_rotation2, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 228 229 /* Test rotated text output through the console uclass */ 230 static int dm_test_video_rotation3(struct unit_test_state *uts) 231 { 232 ut_assertok(check_vidconsole_output(uts, 3, 1134, 681)); 233 234 return 0; 235 } 236 DM_TEST(dm_test_video_rotation3, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 237 238 /* Read a file into memory and return a pointer to it */ 239 static int read_file(struct unit_test_state *uts, const char *fname, 240 ulong *addrp) 241 { 242 int buf_size = 100000; 243 ulong addr = 0; 244 int size, fd; 245 char *buf; 246 247 buf = map_sysmem(addr, 0); 248 ut_assert(buf != NULL); 249 fd = os_open(fname, OS_O_RDONLY); 250 ut_assert(fd >= 0); 251 size = os_read(fd, buf, buf_size); 252 os_close(fd); 253 ut_assert(size >= 0); 254 ut_assert(size < buf_size); 255 *addrp = addr; 256 257 return 0; 258 } 259 260 /* Test drawing a bitmap file */ 261 static int dm_test_video_bmp(struct unit_test_state *uts) 262 { 263 struct udevice *dev; 264 ulong addr; 265 266 ut_assertok(uclass_get_device(UCLASS_VIDEO, 0, &dev)); 267 ut_assertok(read_file(uts, "tools/logos/denx.bmp", &addr)); 268 269 ut_assertok(video_bmp_display(dev, addr, 0, 0, false)); 270 ut_asserteq(1368, compress_frame_buffer(dev)); 271 272 return 0; 273 } 274 DM_TEST(dm_test_video_bmp, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 275 276 /* Test drawing a compressed bitmap file */ 277 static int dm_test_video_bmp_comp(struct unit_test_state *uts) 278 { 279 struct udevice *dev; 280 ulong addr; 281 282 ut_assertok(uclass_get_device(UCLASS_VIDEO, 0, &dev)); 283 ut_assertok(read_file(uts, "tools/logos/denx-comp.bmp", &addr)); 284 285 ut_assertok(video_bmp_display(dev, addr, 0, 0, false)); 286 ut_asserteq(1368, compress_frame_buffer(dev)); 287 288 return 0; 289 } 290 DM_TEST(dm_test_video_bmp_comp, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 291 292 /* Test TrueType console */ 293 static int dm_test_video_truetype(struct unit_test_state *uts) 294 { 295 struct udevice *dev, *con; 296 const char *test_string = "Criticism may not be agreeable, but it is necessary. It fulfils the same function as pain in the human body. It calls attention to an unhealthy state of things. Some see private enterprise as a predatory target to be shot, others as a cow to be milked, but few are those who see it as a sturdy horse pulling the wagon. The \aprice OF\b\bof greatness\n\tis responsibility.\n\nBye"; 297 const char *s; 298 299 ut_assertok(uclass_get_device(UCLASS_VIDEO, 0, &dev)); 300 ut_assertok(uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con)); 301 for (s = test_string; *s; s++) 302 vidconsole_put_char(con, *s); 303 ut_asserteq(12619, compress_frame_buffer(dev)); 304 305 return 0; 306 } 307 DM_TEST(dm_test_video_truetype, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 308 309 /* Test scrolling TrueType console */ 310 static int dm_test_video_truetype_scroll(struct unit_test_state *uts) 311 { 312 struct sandbox_sdl_plat *plat; 313 struct udevice *dev, *con; 314 const char *test_string = "Criticism may not be agreeable, but it is necessary. It fulfils the same function as pain in the human body. It calls attention to an unhealthy state of things. Some see private enterprise as a predatory target to be shot, others as a cow to be milked, but few are those who see it as a sturdy horse pulling the wagon. The \aprice OF\b\bof greatness\n\tis responsibility.\n\nBye"; 315 const char *s; 316 317 ut_assertok(uclass_find_device(UCLASS_VIDEO, 0, &dev)); 318 ut_assert(!device_active(dev)); 319 plat = dev_get_platdata(dev); 320 plat->font_size = 100; 321 322 ut_assertok(uclass_get_device(UCLASS_VIDEO, 0, &dev)); 323 ut_assertok(uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con)); 324 for (s = test_string; *s; s++) 325 vidconsole_put_char(con, *s); 326 ut_asserteq(33849, compress_frame_buffer(dev)); 327 328 return 0; 329 } 330 DM_TEST(dm_test_video_truetype_scroll, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 331 332 /* Test TrueType backspace, within and across lines */ 333 static int dm_test_video_truetype_bs(struct unit_test_state *uts) 334 { 335 struct sandbox_sdl_plat *plat; 336 struct udevice *dev, *con; 337 const char *test_string = "...Criticism may or may\b\b\b\b\b\bnot be agreeable, but seldom it is necessary\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\bit is necessary. It fulfils the same function as pain in the human body. It calls attention to an unhealthy state of things."; 338 const char *s; 339 340 ut_assertok(uclass_find_device(UCLASS_VIDEO, 0, &dev)); 341 ut_assert(!device_active(dev)); 342 plat = dev_get_platdata(dev); 343 plat->font_size = 100; 344 345 ut_assertok(uclass_get_device(UCLASS_VIDEO, 0, &dev)); 346 ut_assertok(uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con)); 347 for (s = test_string; *s; s++) 348 vidconsole_put_char(con, *s); 349 ut_asserteq(34871, compress_frame_buffer(dev)); 350 351 return 0; 352 } 353 DM_TEST(dm_test_video_truetype_bs, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 354
