diff options
Diffstat (limited to 'roms/u-boot/test/dm/panel.c')
| -rw-r--r-- | roms/u-boot/test/dm/panel.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/roms/u-boot/test/dm/panel.c b/roms/u-boot/test/dm/panel.c new file mode 100644 index 000000000..49f5ac716 --- /dev/null +++ b/roms/u-boot/test/dm/panel.c @@ -0,0 +1,80 @@ +// 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_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", ®)); + 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); |