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/* Copyright 2022 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "cros_board_info.h"
#include "cros_cbi.h"
#include "gpio_signal.h"
#include "hooks.h"
#include "variant_db_detection.h"
#include <stdlib.h>
#include <zephyr/drivers/gpio/gpio_emul.h>
#include <zephyr/kernel.h>
#include <zephyr/ztest.h>
static void *db_detection_setup(void)
{
const struct device *wp_gpio =
DEVICE_DT_GET(DT_GPIO_CTLR(DT_ALIAS(gpio_wp), gpios));
const gpio_port_pins_t wp_pin = DT_GPIO_PIN(DT_ALIAS(gpio_wp), gpios);
/* Make sure that write protect is disabled */
zassert_ok(gpio_emul_input_set(wp_gpio, wp_pin, 1), NULL);
/* Set CBI db_config to DB_NONE. */
zassert_ok(cbi_set_fw_config(DB_NONE << 0), NULL);
/* Run init hooks to initialize cbi. */
hook_notify(HOOK_INIT);
return NULL;
}
ZTEST_SUITE(db_detection, NULL, db_detection_setup, NULL, NULL, NULL);
static int interrupt_count;
void x_ec_interrupt(enum gpio_signal signal)
{
interrupt_count++;
}
/* test none db case */
ZTEST(db_detection, test_db_detect_none)
{
gpio_flags_t *flags = (gpio_flags_t *)malloc(sizeof(gpio_flags_t));
const struct device *ec_x_gpio1 = DEVICE_DT_GET(
DT_GPIO_CTLR(DT_NODELABEL(gpio_ec_x_gpio1), gpios));
gpio_pin_t ec_x_pin1 =
DT_GPIO_PIN(DT_NODELABEL(gpio_ec_x_gpio1), gpios);
const struct device *x_ec_gpio2 = DEVICE_DT_GET(
DT_GPIO_CTLR(DT_NODELABEL(gpio_x_ec_gpio2), gpios));
gpio_pin_t x_ec_pin2 =
DT_GPIO_PIN(DT_NODELABEL(gpio_x_ec_gpio2), gpios);
const struct device *ec_x_gpio3 = DEVICE_DT_GET(
DT_GPIO_CTLR(DT_NODELABEL(gpio_ec_x_gpio3), gpios));
gpio_pin_t ec_x_pin3 =
DT_GPIO_PIN(DT_NODELABEL(gpio_ec_x_gpio3), gpios);
/* Check the DB type is NONE */
zassert_equal(CORSOLA_DB_NONE, corsola_get_db_type(), NULL);
/* Verify the floating pins are input with PU to prevent leakage */
zassert_ok(gpio_emul_flags_get(ec_x_gpio1, ec_x_pin1, flags), NULL);
zassert_equal(*flags, (GPIO_INPUT | GPIO_PULL_UP), "flags=%d", *flags);
zassert_ok(gpio_emul_flags_get(x_ec_gpio2, x_ec_pin2, flags), NULL);
zassert_equal(*flags, (GPIO_INPUT | GPIO_PULL_UP), "flags=%d", *flags);
zassert_ok(gpio_emul_flags_get(ec_x_gpio3, ec_x_pin3, flags), NULL);
zassert_equal(*flags, (GPIO_INPUT | GPIO_PULL_UP), "flags=%d", *flags);
free(flags);
/* Verify x_ec_interrupt is disabled */
interrupt_count = 0;
zassert_ok(gpio_emul_input_set(x_ec_gpio2, x_ec_pin2, 0), NULL);
k_sleep(K_MSEC(100));
zassert_ok(gpio_emul_input_set(x_ec_gpio2, x_ec_pin2, 1), NULL);
k_sleep(K_MSEC(100));
zassert_equal(interrupt_count, 0, "interrupt_count=%d",
interrupt_count);
}
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