diff options
Diffstat (limited to 'test/dm')
-rw-r--r-- | test/dm/Makefile | 1 | ||||
-rw-r--r-- | test/dm/video.c | 271 |
2 files changed, 272 insertions, 0 deletions
diff --git a/test/dm/Makefile b/test/dm/Makefile index 3ff1b75..d4f3f22 100644 --- a/test/dm/Makefile +++ b/test/dm/Makefile @@ -34,5 +34,6 @@ obj-$(CONFIG_DM_USB) += usb.o obj-$(CONFIG_DM_PMIC) += pmic.o obj-$(CONFIG_DM_REGULATOR) += regulator.o obj-$(CONFIG_TIMER) += timer.o +obj-$(CONFIG_DM_VIDEO) += video.o obj-$(CONFIG_ADC) += adc.o endif diff --git a/test/dm/video.c b/test/dm/video.c new file mode 100644 index 0000000..9f5e7fc --- /dev/null +++ b/test/dm/video.c @@ -0,0 +1,271 @@ +/* + * 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); + +/* Test rotated text output through the console uclass */ +static int dm_test_video_rotation1(struct unit_test_state *uts) +{ + ut_assertok(check_vidconsole_output(uts, 1, 1112, 680)); + + return 0; +} +DM_TEST(dm_test_video_rotation1, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +/* Test rotated text output through the console uclass */ +static int dm_test_video_rotation2(struct unit_test_state *uts) +{ + ut_assertok(check_vidconsole_output(uts, 2, 785, 446)); + + return 0; +} +DM_TEST(dm_test_video_rotation2, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +/* Test rotated text output through the console uclass */ +static int dm_test_video_rotation3(struct unit_test_state *uts) +{ + ut_assertok(check_vidconsole_output(uts, 3, 1134, 681)); + + return 0; +} +DM_TEST(dm_test_video_rotation3, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +/* Read a file into memory and return a pointer to it */ +static int read_file(struct unit_test_state *uts, const char *fname, + ulong *addrp) +{ + int buf_size = 100000; + ulong addr = 0; + int size, fd; + char *buf; + + buf = map_sysmem(addr, 0); + ut_assert(buf != NULL); + fd = os_open(fname, OS_O_RDONLY); + ut_assert(fd >= 0); + size = os_read(fd, buf, buf_size); + ut_assert(size >= 0); + ut_assert(size < buf_size); + os_close(fd); + *addrp = addr; + + return 0; +} + +/* Test drawing a bitmap file */ +static int dm_test_video_bmp(struct unit_test_state *uts) +{ + struct udevice *dev; + ulong addr; + + ut_assertok(uclass_get_device(UCLASS_VIDEO, 0, &dev)); + ut_assertok(read_file(uts, "tools/logos/denx.bmp", &addr)); + + ut_assertok(video_bmp_display(dev, addr, 0, 0, false)); + ut_asserteq(1368, compress_frame_buffer(dev)); + + return 0; +} +DM_TEST(dm_test_video_bmp, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +/* Test drawing a compressed bitmap file */ +static int dm_test_video_bmp_comp(struct unit_test_state *uts) +{ + struct udevice *dev; + ulong addr; + + ut_assertok(uclass_get_device(UCLASS_VIDEO, 0, &dev)); + ut_assertok(read_file(uts, "tools/logos/denx-comp.bmp", &addr)); + + ut_assertok(video_bmp_display(dev, addr, 0, 0, false)); + ut_asserteq(1368, compress_frame_buffer(dev)); + + return 0; +} +DM_TEST(dm_test_video_bmp_comp, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |