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// SPDX-License-Identifier: GPL-2.0+
/*
* Test for video bridge uclass
*
* Copyright (c) 2025 Svyatoslav Ryhel <clamor95@gmail.com>
*/
#include <backlight.h>
#include <dm.h>
#include <panel.h>
#include <video.h>
#include <video_bridge.h>
#include <asm/gpio.h>
#include <asm/test.h>
#include <dm/test.h>
#include <power/regulator.h>
#include <test/test.h>
#include <test/ut.h>
/* 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);
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