video: Add commands to list and change fonts

Add a new 'font' command which allows the fonts to be listed as well as
selecting a different font and size.

Allow the test to run on sandbox, where multiple font/size combinations
are supported, as well as sandbox_flattree, where they are not.

Signed-off-by: Simon Glass <sjg@chromium.org>

3 files changed, 84 insertions, 0 deletions

diff --git a/test/cmd/Makefile b/test/cmd/Makefile
index f2a5f4ed80..6dd6e81875 100644
--- a/test/cmd/Makefile
+++ b/test/cmd/Makefile
@@ -11,6 +11,7 @@ endif
 obj-y += mem.o
 obj-$(CONFIG_CMD_ADDRMAP) += addrmap.o
 obj-$(CONFIG_CMD_FDT) += fdt.o
+obj-$(CONFIG_CONSOLE_TRUETYPE) += font.o
 obj-$(CONFIG_CMD_LOADM) += loadm.o
 obj-$(CONFIG_CMD_MEM_SEARCH) += mem_search.o
 obj-$(CONFIG_CMD_PINMUX) += pinmux.o
diff --git a/test/cmd/font.c b/test/cmd/font.c
new file mode 100644
index 0000000000..7a4156ade6
--- /dev/null
+++ b/test/cmd/font.c
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Tests for font command
+ *
+ * Copyright 2022 Google LLC
+ */
+
+#include <common.h>
+#include <console.h>
+#include <dm.h>
+#include <video_console.h>
+#include <test/suites.h>
+#include <test/ut.h>
+
+/* Declare a new fdt test */
+#define FONT_TEST(_name, _flags)	UNIT_TEST(_name, _flags, font_test)
+
+/* Test 'fdt addr' resizing an fdt */
+static int font_test_base(struct unit_test_state *uts)
+{
+	struct udevice *dev;
+	int max_metrics;
+	uint size;
+	int ret;
+
+	ut_assertok(uclass_first_device_err(UCLASS_VIDEO, &dev));
+	ut_assertok(uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &dev));
+
+	ut_assertok(console_record_reset_enable());
+	ut_assertok(run_command("font list", 0));
+	ut_assert_nextline("nimbus_sans_l_regular");
+	ut_assert_nextline("cantoraone_regular");
+	ut_assertok(ut_check_console_end(uts));
+
+	ut_asserteq_str("nimbus_sans_l_regular",
+			vidconsole_get_font(dev, &size));
+	ut_asserteq(18, size);
+
+	max_metrics = 1;
+	if (IS_ENABLED(CONFIG_CONSOLE_TRUETYPE))
+		max_metrics = IF_ENABLED_INT(CONFIG_CONSOLE_TRUETYPE,
+				     CONFIG_CONSOLE_TRUETYPE_MAX_METRICS);
+
+	ret = run_command("font select cantoraone_regular 40", 0);
+	if (max_metrics < 2) {
+		ut_asserteq(1, ret);
+		ut_assert_nextline("Failed (error -7)");
+		ut_assertok(ut_check_console_end(uts));
+		return 0;
+	}
+
+	ut_assertok(ret);
+	ut_assertok(ut_check_console_end(uts));
+
+	ut_asserteq_str("cantoraone_regular",
+			vidconsole_get_font(dev, &size));
+	ut_asserteq(40, size);
+
+	ut_assertok(run_command("font size 30", 0));
+	ut_assertok(ut_check_console_end(uts));
+
+	ut_asserteq_str("cantoraone_regular",
+			vidconsole_get_font(dev, &size));
+	ut_asserteq(30, size);
+
+	return 0;
+}
+FONT_TEST(font_test_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT |
+	  UT_TESTF_CONSOLE_REC | UT_TESTF_DM);
+
+int do_ut_font(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
+{
+	struct unit_test *tests = UNIT_TEST_SUITE_START(font_Test);
+	const int n_ents = UNIT_TEST_SUITE_COUNT(font_test);
+
+	return cmd_ut_category("font", "font_test_", tests, n_ents, argc, argv);
+}
diff --git a/test/cmd_ut.c b/test/cmd_ut.c
index 99e53dddc1..dc88c5fb88 100644
--- a/test/cmd_ut.c
+++ b/test/cmd_ut.c
@@ -49,6 +49,9 @@ static struct cmd_tbl cmd_ut_sub[] = {
 #ifdef CONFIG_CMD_FDT
 	U_BOOT_CMD_MKENT(fdt, CONFIG_SYS_MAXARGS, 1, do_ut_fdt, "", ""),
 #endif
+#ifdef CONFIG_CONSOLE_TRUETYPE
+	U_BOOT_CMD_MKENT(font, CONFIG_SYS_MAXARGS, 1, do_ut_font, "", ""),
+#endif
 #ifdef CONFIG_UT_OPTEE
 	U_BOOT_CMD_MKENT(optee, CONFIG_SYS_MAXARGS, 1, do_ut_optee, "", ""),
 #endif
@@ -144,6 +147,9 @@ static char ut_help_text[] =
 #ifdef CONFIG_CMD_FDT
 	"ut fdt [test-name] - test of the fdt command\n"
 #endif
+#ifdef CONFIG_CONSOLE_TRUETYPE
+	"ut font [test-name] - test of the font command\n"
+#endif
 #ifdef CONFIG_UT_LIB
 	"ut lib [test-name] - test library functions\n"
 #endif