projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 5d9a88f4 SG |
1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* | |
| 3 | * Test for panel uclass | |
| 4 | * | |
| 5 | * Copyright (c) 2018 Google, Inc | |
| 6 | * Written by Simon Glass <[email protected]> | |
| 7 | */ | |
| 8 | ||
| 9 | #include <common.h> | |
| 10 | #include <backlight.h> | |
| 11 | #include <dm.h> | |
| 12 | #include <panel.h> | |
| 13 | #include <video.h> | |
| 14 | #include <asm/gpio.h> | |
| 15 | #include <asm/test.h> | |
| 16 | #include <dm/test.h> | |
| 17 | #include <test/ut.h> | |
| 18 | #include <power/regulator.h> | |
| 19 | ||
| 20 | /* Basic test of the panel uclass */ | |
| 21 | static int dm_test_panel(struct unit_test_state *uts) | |
| 22 | { | |
| 23 | struct udevice *dev, *pwm, *gpio, *reg; | |
| 24 | uint period_ns; | |
| 25 | uint duty_ns; | |
| 26 | bool enable; | |
| 27 | bool polarity; | |
| 28 | ||
| 29 | ut_assertok(uclass_first_device_err(UCLASS_PANEL, &dev)); | |
| 30 | ut_assertok(uclass_first_device_err(UCLASS_PWM, &pwm)); | |
| 31 | ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio)); | |
| 32 | ut_assertok(regulator_get_by_platname("VDD_EMMC_1.8V", ®)); | |
| 33 | ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns, | |
| 34 | &enable, &polarity)); | |
| 35 | ut_asserteq(false, enable); | |
| 36 | ut_asserteq(false, regulator_get_enable(reg)); | |
| 37 | ||
| 38 | ut_assertok(panel_enable_backlight(dev)); | |
| 39 | ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns, | |
| 40 | &enable, &polarity)); | |
| 41 | ut_asserteq(1000, period_ns); | |
| 42 | ut_asserteq(170 * 1000 / 256, duty_ns); | |
| 43 | ut_asserteq(true, enable); | |
| 44 | ut_asserteq(false, polarity); | |
| 45 | ut_asserteq(1, sandbox_gpio_get_value(gpio, 1)); | |
| 46 | ut_asserteq(true, regulator_get_enable(reg)); | |
| 47 | ||
| a4f737a9 SG |
48 | ut_assertok(panel_set_backlight(dev, 40)); |
| 49 | ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns, | |
| 50 | &enable, &polarity)); | |
| 51 | ut_asserteq(64 * 1000 / 256, duty_ns); | |
| 52 | ||
| 53 | ut_assertok(panel_set_backlight(dev, BACKLIGHT_MAX)); | |
| 54 | ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns, | |
| 55 | &enable, &polarity)); | |
| 56 | ut_asserteq(255 * 1000 / 256, duty_ns); | |
| 57 | ||
| 58 | ut_assertok(panel_set_backlight(dev, BACKLIGHT_MIN)); | |
| 59 | ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns, | |
| 60 | &enable, &polarity)); | |
| 61 | ut_asserteq(0 * 1000 / 256, duty_ns); | |
| 62 | ut_asserteq(1, sandbox_gpio_get_value(gpio, 1)); | |
| 63 | ||
| 64 | ut_assertok(panel_set_backlight(dev, BACKLIGHT_DEFAULT)); | |
| 65 | ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns, | |
| 66 | &enable, &polarity)); | |
| 67 | ut_asserteq(true, enable); | |
| 68 | ut_asserteq(170 * 1000 / 256, duty_ns); | |
| 69 | ||
| 70 | ut_assertok(panel_set_backlight(dev, BACKLIGHT_OFF)); | |
| 71 | ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns, | |
| 72 | &enable, &polarity)); | |
| 73 | ut_asserteq(0 * 1000 / 256, duty_ns); | |
| 74 | ut_asserteq(0, sandbox_gpio_get_value(gpio, 1)); | |
| 75 | ut_asserteq(false, regulator_get_enable(reg)); | |
| 76 | ||
| 5d9a88f4 SG |
77 | return 0; |
| 78 | } | |
| 79 | DM_TEST(dm_test_panel, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |