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GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

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lai
2026-09-06 03:52:57 +08:00
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source/bootloader/u-boot-2020.01/test/dm/panel.c
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// SPDX-License-Identifier: GPL-2.0+
/*
* Test for panel uclass
*
* Copyright (c) 2018 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
*/
#include <common.h>
#include <backlight.h>
#include <dm.h>
#include <panel.h>
#include <video.h>
#include <asm/gpio.h>
#include <asm/test.h>
#include <dm/test.h>
#include <test/ut.h>
#include <power/regulator.h>
/* Basic test of the panel uclass */
static int dm_test_panel(struct unit_test_state *uts)
{
struct udevice *dev, *pwm, *gpio, *reg;
uint period_ns;
uint duty_ns;
bool enable;
bool polarity;
ut_assertok(uclass_first_device_err(UCLASS_PANEL, &dev));
ut_assertok(uclass_first_device_err(UCLASS_PWM, &pwm));
ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
ut_assertok(regulator_get_by_platname("VDD_EMMC_1.8V", &reg));
ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
&enable, &polarity));
ut_asserteq(false, enable);
ut_asserteq(false, regulator_get_enable(reg));
ut_assertok(panel_enable_backlight(dev));
ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
&enable, &polarity));
ut_asserteq(1000, period_ns);
ut_asserteq(170 * 1000 / 256, 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));
ut_assertok(panel_set_backlight(dev, 40));
ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
&enable, &polarity));
ut_asserteq(64 * 1000 / 256, duty_ns);
ut_assertok(panel_set_backlight(dev, BACKLIGHT_MAX));
ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
&enable, &polarity));
ut_asserteq(255 * 1000 / 256, duty_ns);
ut_assertok(panel_set_backlight(dev, BACKLIGHT_MIN));
ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
&enable, &polarity));
ut_asserteq(0 * 1000 / 256, duty_ns);
ut_asserteq(1, sandbox_gpio_get_value(gpio, 1));
ut_assertok(panel_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 / 256, duty_ns);
ut_assertok(panel_set_backlight(dev, BACKLIGHT_OFF));
ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
&enable, &polarity));
ut_asserteq(0 * 1000 / 256, duty_ns);
ut_asserteq(0, sandbox_gpio_get_value(gpio, 1));
ut_asserteq(false, regulator_get_enable(reg));
return 0;
}
DM_TEST(dm_test_panel, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);