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test/dm/led.c
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/*
* 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);
/* Test LED blinking */
#ifdef CONFIG_LED_BLINK
static int dm_test_led_blink(struct unit_test_state *uts)
{
const int offset = 1;
struct udevice *dev, *gpio;
/*
* Check that we get an error when trying to blink an LED, since it is
* not supported by the GPIO LED driver.
*/
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_asserteq(-ENOSYS, led_set_state(dev, LEDST_BLINK));
ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
ut_asserteq(LEDST_OFF, led_get_state(dev));
ut_asserteq(-ENOSYS, led_set_period(dev, 100));
return 0;
}
DM_TEST(dm_test_led_blink, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
#endif
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