// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2020 Philippe Reynes <philippe.reynes@softathome.com>
*
* Based on led.c
*/
#include <dm.h>
#include <adc.h>
#include <button.h>
#include <power/regulator.h>
#include <power/sandbox_pmic.h>
#include <asm/gpio.h>
#include <dm/test.h>
#include <dt-bindings/input/input.h>
#include <test/ut.h>
/* Base test of the button uclass */
static int dm_test_button_base(struct unit_test_state *uts)
{
struct udevice *dev;
/* Get the top-level gpio buttons device */
ut_assertok(uclass_get_device(UCLASS_BUTTON, 0, &dev));
/* Get the 2 gpio buttons */
ut_assertok(uclass_get_device(UCLASS_BUTTON, 1, &dev));
ut_assertok(uclass_get_device(UCLASS_BUTTON, 2, &dev));
/* Get the top-level adc buttons device */
ut_assertok(uclass_get_device(UCLASS_BUTTON, 3, &dev));
/* Get the 3 adc buttons */
ut_assertok(uclass_get_device(UCLASS_BUTTON, 4, &dev));
ut_assertok(uclass_get_device(UCLASS_BUTTON, 5, &dev));
ut_assertok(uclass_get_device(UCLASS_BUTTON, 6, &dev));
ut_asserteq(-ENODEV, uclass_get_device(UCLASS_BUTTON, 7, &dev));
return 0;
}
DM_TEST(dm_test_button_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test of the button uclass using the button_gpio driver */
static int dm_test_button_gpio(struct unit_test_state *uts)
{
const int offset = 3;
struct udevice *dev, *gpio;
/*
* Check that we can manipulate a BUTTON. BUTTON 1 is connected to GPIO
* bank gpio_a, offset 3.
*/
ut_assertok(uclass_get_device(UCLASS_BUTTON, 1, &dev));
ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
ut_asserteq(0, sandbox_gpio_set_value(gpio, offset, 0));
ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
ut_asserteq(BUTTON_OFF, button_get_state(dev));
ut_asserteq(0, sandbox_gpio_set_value(gpio, offset, 1));
ut_asserteq(1, sandbox_gpio_get_value(gpio, offset));
ut_asserteq(BUTTON_ON, button_get_state(dev));
return 0;
}
DM_TEST(dm_test_button_gpio, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test obtaining a BUTTON by label */
static int dm_test_button_label(struct unit_test_state *uts)
{
struct udevice *dev, *cmp;
ut_assertok(button_get_by_label("button1", &dev));
ut_asserteq(1, device_active(dev));
ut_assertok(uclass_get_device(UCLASS_BUTTON, 1, &cmp));
ut_asserteq_ptr(dev, cmp);
ut_assertok(button_get_by_label("button2", &dev));
ut_asserteq(1, device_active(dev));
ut_assertok(uclass_get_device(UCLASS_BUTTON, 2, &cmp));
ut_asserteq_ptr(dev, cmp);
ut_asserteq(-ENODEV, button_get_by_label("nobutton", &dev));
return 0;
}
DM_TEST(dm_test_button_label, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test button has linux,code */
static int dm_test_button_linux_code(struct unit_test_state *uts)
{
struct udevice *dev;
ut_assertok(uclass_get_device(UCLASS_BUTTON, 1, &dev));
ut_asserteq(BTN_1, button_get_code(dev));
return 0;
}
DM_TEST(dm_test_button_linux_code, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test adc-keys driver */
static int dm_test_button_keys_adc(struct unit_test_state *uts)
{
struct udevice *supply;
struct udevice *dev;
int uV;
ut_assertok(uclass_get_device_by_name(UCLASS_ADC, "adc@0", &dev));
ut_assertok(regulator_get_by_devname(SANDBOX_BUCK2_DEVNAME, &supply));
ut_assertok(regulator_set_value(supply, SANDBOX_BUCK2_SET_UV));
ut_asserteq(SANDBOX_BUCK2_SET_UV, regulator_get_value(supply));
/* Update ADC plat and get new Vdd value */
ut_assertok(adc_vdd_value(dev, &uV));
ut_asserteq(SANDBOX_BUCK2_SET_UV, uV);
/*
* sandbox-adc returns constant value on channel 3, is used by adc-keys:
* SANDBOX_ADC_CHANNEL3_DATA * SANDBOX_BUCK2_SET_UV / SANDBOX_ADC_DATA_MASK =
* 0x3000 * 3300000 / 0xffff = 618759uV
* This means that button3 and button4 are released and button5
* is pressed.
*/
ut_assertok(button_get_by_label("button3", &dev));
ut_asserteq(BUTTON_OFF, button_get_state(dev));
ut_assertok(button_get_by_label("button4", &dev));
ut_asserteq(BUTTON_OFF, button_get_state(dev));
ut_assertok(button_get_by_label("button5", &dev));
ut_asserteq(BUTTON_ON, button_get_state(dev));
return 0;
}
DM_TEST(dm_test_button_keys_adc, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test of the button uclass using the button_gpio driver */
static int dm_test_button_cmd(struct unit_test_state *uts)
{
struct udevice *btn1_dev, *btn2_dev, *gpio;
const char *envstr;
#define BTN1_GPIO 3
#define BTN2_GPIO 4
#define BTN1_PASS_VAR "test_button_cmds_0"
#define BTN2_PASS_VAR "test_button_cmds_1"
/*
* Buttons 1 and 2 are connected to gpio_a gpios 3 and 4 respectively.
* set the GPIOs to known values and then check that the appropriate
* commands are run when invoking process_button_cmds().
*/
ut_assertok(uclass_get_device(UCLASS_BUTTON, 1, &btn1_dev));
ut_assertok(uclass_get_device(UCLASS_BUTTON, 2, &btn2_dev));
ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
/*
* Map a command to button 1 and check that it process_button_cmds()
* runs it if called with button 1 pressed.
*/
ut_assertok(env_set("button_cmd_0_name", "button1"));
ut_assertok(env_set("button_cmd_0", "env set " BTN1_PASS_VAR " PASS"));
ut_assertok(sandbox_gpio_set_value(gpio, BTN1_GPIO, 1));
/* Sanity check that the button is actually pressed */
ut_asserteq(BUTTON_ON, button_get_state(btn1_dev));
process_button_cmds();
ut_assertnonnull((envstr = env_get(BTN1_PASS_VAR)));
ut_asserteq_str(envstr, "PASS");
/* Clear result */
ut_assertok(env_set(BTN1_PASS_VAR, NULL));
/*
* Map a command for button 2, press it, check that only the command
* for button 1 runs because it comes first and is also pressed.
*/
ut_assertok(env_set("button_cmd_1_name", "button2"));
ut_assertok(env_set("button_cmd_1", "env set " BTN2_PASS_VAR " PASS"));
ut_assertok(sandbox_gpio_set_value(gpio, BTN2_GPIO, 1));
ut_asserteq(BUTTON_ON, button_get_state(btn2_dev));
process_button_cmds();
/* Check that button 1 triggered again */
ut_assertnonnull((envstr = env_get(BTN1_PASS_VAR)));
ut_asserteq_str(envstr, "PASS");
/* And button 2 didn't */
ut_assertnull(env_get(BTN2_PASS_VAR));
/* Clear result */
ut_assertok(env_set(BTN1_PASS_VAR, NULL));
/*
* Release button 1 and check that the command for button 2 is run
*/
ut_assertok(sandbox_gpio_set_value(gpio, BTN1_GPIO, 0));
process_button_cmds();
ut_assertnull(env_get(BTN1_PASS_VAR));
/* Check that the command for button 2 ran */
ut_assertnonnull((envstr = env_get(BTN2_PASS_VAR)));
ut_asserteq_str(envstr, "PASS");
/* Clear result */
ut_assertok(env_set(BTN2_PASS_VAR, NULL));
/*
* Unset "button_cmd_0_name" and check that no commands run even
* with both buttons pressed.
*/
ut_assertok(env_set("button_cmd_0_name", NULL));
/* Press button 1 (button 2 is already pressed )*/
ut_assertok(sandbox_gpio_set_value(gpio, BTN1_GPIO, 1));
ut_asserteq(BUTTON_ON, button_get_state(btn1_dev));
process_button_cmds();
ut_assertnull(env_get(BTN1_PASS_VAR));
ut_assertnull(env_get(BTN2_PASS_VAR));
/*
* Check that no command is run if the button name is wrong.
*/
ut_assertok(env_set("button_cmd_0_name", "invalid_button"));
process_button_cmds();
ut_assertnull(env_get(BTN1_PASS_VAR));
ut_assertnull(env_get(BTN2_PASS_VAR));
#undef BTN1_PASS_VAR
#undef BTN2_PASS_VAR
#undef BTN1_GPIO
#undef BTN2_GPIO
return 0;
}
DM_TEST(dm_test_button_cmd, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);