121 lines
3.7 KiB
C
121 lines
3.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2020 Philippe Reynes <philippe.reynes@softathome.com>
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*
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* Based on led.c
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*/
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#include <common.h>
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#include <dm.h>
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#include <adc.h>
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#include <button.h>
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#include <power/regulator.h>
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#include <power/sandbox_pmic.h>
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#include <asm/gpio.h>
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#include <dm/test.h>
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#include <test/ut.h>
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/* Base test of the button uclass */
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static int dm_test_button_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 gpio buttons device */
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ut_assertok(uclass_get_device(UCLASS_BUTTON, 0, &dev));
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/* Get the 2 gpio buttons */
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ut_assertok(uclass_get_device(UCLASS_BUTTON, 1, &dev));
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ut_assertok(uclass_get_device(UCLASS_BUTTON, 2, &dev));
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/* Get the top-level adc buttons device */
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ut_assertok(uclass_get_device(UCLASS_BUTTON, 3, &dev));
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/* Get the 3 adc buttons */
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ut_assertok(uclass_get_device(UCLASS_BUTTON, 4, &dev));
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ut_assertok(uclass_get_device(UCLASS_BUTTON, 5, &dev));
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ut_assertok(uclass_get_device(UCLASS_BUTTON, 6, &dev));
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ut_asserteq(-ENODEV, uclass_get_device(UCLASS_BUTTON, 7, &dev));
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return 0;
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}
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DM_TEST(dm_test_button_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Test of the button uclass using the button_gpio driver */
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static int dm_test_button_gpio(struct unit_test_state *uts)
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{
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const int offset = 3;
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struct udevice *dev, *gpio;
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/*
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* Check that we can manipulate an BUTTON. BUTTON 1 is connected to GPIO
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* bank gpio_a, offset 3.
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*/
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ut_assertok(uclass_get_device(UCLASS_BUTTON, 1, &dev));
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ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
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ut_asserteq(0, sandbox_gpio_set_value(gpio, offset, 0));
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ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
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ut_asserteq(BUTTON_OFF, button_get_state(dev));
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ut_asserteq(0, sandbox_gpio_set_value(gpio, offset, 1));
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ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
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ut_asserteq(BUTTON_ON, button_get_state(dev));
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return 0;
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}
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DM_TEST(dm_test_button_gpio, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Test obtaining an BUTTON by label */
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static int dm_test_button_label(struct unit_test_state *uts)
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{
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struct udevice *dev, *cmp;
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ut_assertok(button_get_by_label("button1", &dev));
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ut_asserteq(1, device_active(dev));
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ut_assertok(uclass_get_device(UCLASS_BUTTON, 1, &cmp));
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ut_asserteq_ptr(dev, cmp);
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ut_assertok(button_get_by_label("button2", &dev));
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ut_asserteq(1, device_active(dev));
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ut_assertok(uclass_get_device(UCLASS_BUTTON, 2, &cmp));
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ut_asserteq_ptr(dev, cmp);
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ut_asserteq(-ENODEV, button_get_by_label("nobutton", &dev));
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return 0;
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}
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DM_TEST(dm_test_button_label, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Test adc-keys driver */
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static int dm_test_button_keys_adc(struct unit_test_state *uts)
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{
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struct udevice *supply;
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struct udevice *dev;
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int uV;
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ut_assertok(uclass_get_device_by_name(UCLASS_ADC, "adc@0", &dev));
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ut_assertok(regulator_get_by_devname(SANDBOX_BUCK2_DEVNAME, &supply));
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ut_assertok(regulator_set_value(supply, SANDBOX_BUCK2_SET_UV));
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ut_asserteq(SANDBOX_BUCK2_SET_UV, regulator_get_value(supply));
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/* Update ADC plat and get new Vdd value */
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ut_assertok(adc_vdd_value(dev, &uV));
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ut_asserteq(SANDBOX_BUCK2_SET_UV, uV);
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/*
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* sandbox-adc returns constant value on channel 3, is used by adc-keys:
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* SANDBOX_ADC_CHANNEL3_DATA * SANDBOX_BUCK2_SET_UV / SANDBOX_ADC_DATA_MASK =
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* 0x3000 * 3300000 / 0xffff = 618759uV
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* This means that button3 and button4 are released and button5
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* is pressed.
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*/
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ut_assertok(button_get_by_label("button3", &dev));
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ut_asserteq(BUTTON_OFF, button_get_state(dev));
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ut_assertok(button_get_by_label("button4", &dev));
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ut_asserteq(BUTTON_OFF, button_get_state(dev));
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ut_assertok(button_get_by_label("button5", &dev));
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ut_asserteq(BUTTON_ON, button_get_state(dev));
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return 0;
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}
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DM_TEST(dm_test_button_keys_adc, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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