145 lines
4.3 KiB
C
145 lines
4.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2015 Google, Inc
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*/
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#include <common.h>
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#include <dm.h>
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#include <led.h>
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#include <asm/gpio.h>
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#include <dm/test.h>
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#include <test/test.h>
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#include <test/ut.h>
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/* Base test of the led uclass */
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static int dm_test_led_base(struct unit_test_state *uts)
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{
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struct udevice *dev;
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/* Get the top-level device */
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ut_assertok(uclass_get_device(UCLASS_LED, 0, &dev));
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ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
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ut_assertok(uclass_get_device(UCLASS_LED, 2, &dev));
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ut_assertok(uclass_get_device(UCLASS_LED, 3, &dev));
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ut_assertok(uclass_get_device(UCLASS_LED, 4, &dev));
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ut_asserteq(-ENODEV, uclass_get_device(UCLASS_LED, 5, &dev));
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return 0;
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}
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DM_TEST(dm_test_led_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Test of the LED 'default-state' device tree property */
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static int dm_test_led_default_state(struct unit_test_state *uts)
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{
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struct udevice *dev;
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/* configure the default state (auto-probe) */
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led_default_state();
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/* Check that we handle the default-state property correctly. */
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ut_assertok(led_get_by_label("sandbox:default_on", &dev));
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ut_asserteq(LEDST_ON, led_get_state(dev));
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/* Also tests default label behaviour */
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ut_assertok(led_get_by_label("default_off", &dev));
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ut_asserteq(LEDST_OFF, led_get_state(dev));
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return 0;
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}
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DM_TEST(dm_test_led_default_state, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Test of the led uclass using the led_gpio driver */
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static int dm_test_led_gpio(struct unit_test_state *uts)
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{
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const int offset = 1;
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struct udevice *dev, *gpio;
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/*
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* Check that we can manipulate an LED. LED 1 is connected to GPIO
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* bank gpio_a, offset 1.
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*/
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ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
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ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
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ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
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ut_assertok(led_set_state(dev, LEDST_ON));
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ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
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ut_asserteq(LEDST_ON, led_get_state(dev));
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ut_assertok(led_set_state(dev, LEDST_OFF));
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ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
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ut_asserteq(LEDST_OFF, led_get_state(dev));
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return 0;
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}
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DM_TEST(dm_test_led_gpio, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Test that we can toggle LEDs */
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static int dm_test_led_toggle(struct unit_test_state *uts)
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{
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const int offset = 1;
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struct udevice *dev, *gpio;
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/*
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* Check that we can manipulate an LED. LED 1 is connected to GPIO
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* bank gpio_a, offset 1.
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*/
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ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
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ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
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ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
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ut_assertok(led_set_state(dev, LEDST_TOGGLE));
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ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
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ut_asserteq(LEDST_ON, led_get_state(dev));
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ut_assertok(led_set_state(dev, LEDST_TOGGLE));
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ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
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ut_asserteq(LEDST_OFF, led_get_state(dev));
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return 0;
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}
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DM_TEST(dm_test_led_toggle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Test obtaining an LED by label */
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static int dm_test_led_label(struct unit_test_state *uts)
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{
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struct udevice *dev, *cmp;
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ut_assertok(led_get_by_label("sandbox:red", &dev));
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ut_asserteq(1, device_active(dev));
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ut_assertok(uclass_get_device(UCLASS_LED, 1, &cmp));
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ut_asserteq_ptr(dev, cmp);
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ut_assertok(led_get_by_label("sandbox:green", &dev));
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ut_asserteq(1, device_active(dev));
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ut_assertok(uclass_get_device(UCLASS_LED, 2, &cmp));
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ut_asserteq_ptr(dev, cmp);
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ut_asserteq(-ENODEV, led_get_by_label("sandbox:blue", &dev));
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return 0;
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}
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DM_TEST(dm_test_led_label, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Test LED blinking */
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#ifdef CONFIG_LED_BLINK
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static int dm_test_led_blink(struct unit_test_state *uts)
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{
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const int offset = 1;
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struct udevice *dev, *gpio;
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/*
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* Check that we get an error when trying to blink an LED, since it is
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* not supported by the GPIO LED driver.
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*/
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ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
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ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
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ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
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ut_asserteq(-ENOSYS, led_set_state(dev, LEDST_BLINK));
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ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
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ut_asserteq(LEDST_OFF, led_get_state(dev));
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ut_asserteq(-ENOSYS, led_set_period(dev, 100));
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return 0;
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}
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DM_TEST(dm_test_led_blink, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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#endif
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