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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 <power/regulator.h>
- #include <test/test.h>
- #include <test/ut.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_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(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 / 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));
- 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 / 255, 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 / 255, 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 / 255, 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 / 255, 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 / 255, 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, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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