Skip to content
Snippets Groups Projects
led.c 2.84 KiB
Newer Older
  • Learn to ignore specific revisions
  • /*
     * Copyright (C) 2015 Google, Inc
     *
     * SPDX-License-Identifier:	GPL-2.0+
     */
    
    #include <common.h>
    #include <dm.h>
    #include <led.h>
    #include <asm/gpio.h>
    #include <dm/test.h>
    #include <test/ut.h>
    
    DECLARE_GLOBAL_DATA_PTR;
    
    /* Base test of the led uclass */
    static int dm_test_led_base(struct unit_test_state *uts)
    {
    	struct udevice *dev;
    
    	/* Get the top-level device */
    	ut_assertok(uclass_get_device(UCLASS_LED, 0, &dev));
    	ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
    	ut_assertok(uclass_get_device(UCLASS_LED, 2, &dev));
    	ut_asserteq(-ENODEV, uclass_get_device(UCLASS_LED, 3, &dev));
    
    	return 0;
    }
    DM_TEST(dm_test_led_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
    
    /* Test of the led uclass using the led_gpio driver */
    static int dm_test_led_gpio(struct unit_test_state *uts)
    {
    	const int offset = 1;
    	struct udevice *dev, *gpio;
    
    	/*
    	 * Check that we can manipulate an LED. LED 1 is connected to GPIO
    	 * bank gpio_a, offset 1.
    	 */
    	ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
    	ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
    	ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
    
    	ut_assertok(led_set_state(dev, LEDST_ON));
    
    	ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
    
    	ut_asserteq(LEDST_ON, led_get_state(dev));
    
    
    	ut_assertok(led_set_state(dev, LEDST_OFF));
    
    	ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
    
    	ut_asserteq(LEDST_OFF, led_get_state(dev));
    
    
    	return 0;
    }
    DM_TEST(dm_test_led_gpio, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
    
    
    /* Test that we can toggle LEDs */
    static int dm_test_led_toggle(struct unit_test_state *uts)
    {
    	const int offset = 1;
    	struct udevice *dev, *gpio;
    
    	/*
    	 * Check that we can manipulate an LED. LED 1 is connected to GPIO
    	 * bank gpio_a, offset 1.
    	 */
    	ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
    	ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
    	ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
    	ut_assertok(led_set_state(dev, LEDST_TOGGLE));
    	ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
    	ut_asserteq(LEDST_ON, led_get_state(dev));
    
    	ut_assertok(led_set_state(dev, LEDST_TOGGLE));
    	ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
    	ut_asserteq(LEDST_OFF, led_get_state(dev));
    
    	return 0;
    }
    DM_TEST(dm_test_led_toggle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
    
    
    /* Test obtaining an LED by label */
    static int dm_test_led_label(struct unit_test_state *uts)
    {
    	struct udevice *dev, *cmp;
    
    	ut_assertok(led_get_by_label("sandbox:red", &dev));
    	ut_asserteq(1, device_active(dev));
    	ut_assertok(uclass_get_device(UCLASS_LED, 1, &cmp));
    	ut_asserteq_ptr(dev, cmp);
    
    	ut_assertok(led_get_by_label("sandbox:green", &dev));
    	ut_asserteq(1, device_active(dev));
    	ut_assertok(uclass_get_device(UCLASS_LED, 2, &cmp));
    	ut_asserteq_ptr(dev, cmp);
    
    	ut_asserteq(-ENODEV, led_get_by_label("sandbox:blue", &dev));
    
    	return 0;
    }
    DM_TEST(dm_test_led_label, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);