From da1eb50ca14b648984fa89c69d5e88649cec474b Mon Sep 17 00:00:00 2001 From: Svyatoslav Ryhel Date: Sun, 16 Feb 2025 19:09:31 +0200 Subject: test: dm: add video bridge tests Add tests for video bridge ops. Signed-off-by: Svyatoslav Ryhel Reviewed-by: Simon Glass --- test/dm/Makefile | 1 + test/dm/video_bridge.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 68 insertions(+) create mode 100644 test/dm/video_bridge.c (limited to 'test') diff --git a/test/dm/Makefile b/test/dm/Makefile index e44f3d89e77..3afcc26ca57 100644 --- a/test/dm/Makefile +++ b/test/dm/Makefile @@ -63,6 +63,7 @@ obj-$(CONFIG_SOUND) += i2s.o obj-$(CONFIG_CLK_K210_SET_RATE) += k210_pll.o obj-$(CONFIG_IOMMU) += iommu.o obj-$(CONFIG_LED) += led.o +obj-$(CONFIG_VIDEO_BRIDGE_LVDS_CODEC) += video_bridge.o obj-$(CONFIG_DM_MAILBOX) += mailbox.o obj-$(CONFIG_DM_MDIO) += mdio.o obj-$(CONFIG_DM_MDIO_MUX) += mdio_mux.o diff --git a/test/dm/video_bridge.c b/test/dm/video_bridge.c new file mode 100644 index 00000000000..f55a333c0b8 --- /dev/null +++ b/test/dm/video_bridge.c @@ -0,0 +1,67 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Test for video bridge uclass + * + * Copyright (c) 2025 Svyatoslav Ryhel + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* Basic test of the video uclass, test is based on driven panel */ +static int dm_test_video_bridge(struct unit_test_state *uts) +{ + struct udevice *dev, *pwm, *gpio, *reg; + uint period_ns, duty_ns; + bool enable, polarity; + struct display_timing timing; + + ut_assertok(uclass_first_device_err(UCLASS_VIDEO_BRIDGE, &dev)); + ut_assertok(uclass_get_device_by_name(UCLASS_PWM, "pwm", &pwm)); + ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio)); + ut_assertok(regulator_get_by_platname("VDD_EMMC_1.8V", ®)); + ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns, + &enable, &polarity)); + ut_asserteq(false, enable); + ut_asserteq(true, regulator_get_enable(reg)); + + /* bridge calls panel_enable_backlight() of panel */ + ut_assertok(video_bridge_attach(dev)); + ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns, + &enable, &polarity)); + ut_asserteq(1000, period_ns); + ut_asserteq(170 * 1000 / 255, duty_ns); + ut_asserteq(true, enable); + ut_asserteq(false, polarity); + ut_asserteq(1, sandbox_gpio_get_value(gpio, 1)); + ut_asserteq(true, regulator_get_enable(reg)); + + /* bridge calls panel_set_backlight() of panel */ + ut_assertok(video_bridge_set_backlight(dev, BACKLIGHT_DEFAULT)); + ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns, + &enable, &polarity)); + ut_asserteq(true, enable); + ut_asserteq(170 * 1000 / 255, duty_ns); + + /* bridge should be active */ + ut_assertok(video_bridge_set_active(dev, true)); + + /* bridge is internal and has no hotplug gpio */ + ut_asserteq(-ENOENT, video_bridge_check_attached(dev)); + + /* check passing timings and EDID */ + ut_assertok(video_bridge_get_display_timing(dev, &timing)); + ut_assertok(video_bridge_read_edid(dev, NULL, 0)); + + return 0; +} +DM_TEST(dm_test_video_bridge, UTF_SCAN_PDATA | UTF_SCAN_FDT); -- cgit v1.3.1