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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 "gpio_signal.h"
#include "hooks.h"
#include "variant_db_detection.h"
#include "zephyr/kernel.h"
#include <zephyr/drivers/gpio/gpio_emul.h>
#include <zephyr/ztest.h>
static void *db_detection_setup(void)
{
const struct device *hdmi_prsnt_gpio = DEVICE_DT_GET(
DT_GPIO_CTLR(DT_NODELABEL(gpio_hdmi_prsnt_odl), gpios));
const gpio_port_pins_t hdmi_prsnt_pin =
DT_GPIO_PIN(DT_NODELABEL(gpio_hdmi_prsnt_odl), gpios);
/* Set the GPIO to high to indicate the DB is type-c */
zassert_ok(gpio_emul_input_set(hdmi_prsnt_gpio, hdmi_prsnt_pin, 1),
NULL);
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 typec db case */
ZTEST(db_detection, test_db_detect_typec)
{
const struct device *en_frs_gpio = DEVICE_DT_GET(
DT_GPIO_CTLR(DT_ALIAS(gpio_usb_c1_frs_en), gpios));
const gpio_port_pins_t en_frs_pin =
DT_GPIO_PIN(DT_ALIAS(gpio_usb_c1_frs_en), gpios);
const struct device *c1_dp_in_hpd_gpio = DEVICE_DT_GET(
DT_GPIO_CTLR(DT_ALIAS(gpio_usb_c1_dp_in_hpd), gpios));
const gpio_port_pins_t c1_dp_in_hpd_pin =
DT_GPIO_PIN(DT_ALIAS(gpio_usb_c1_dp_in_hpd), gpios);
const struct device *int_x_ec_gpio = DEVICE_DT_GET(
DT_GPIO_CTLR(DT_NODELABEL(gpio_x_ec_gpio2), gpios));
const gpio_port_pins_t int_x_ec_pin =
DT_GPIO_PIN(DT_NODELABEL(gpio_x_ec_gpio2), gpios);
/* Check the DB type is type-c */
zassert_equal(CORSOLA_DB_TYPEC, corsola_get_db_type(), NULL);
/* Verify we can enable or disable FRS by setting gpio_usb_c1_frs_en */
zassert_ok(gpio_pin_set_dt(GPIO_DT_FROM_ALIAS(gpio_usb_c1_frs_en), 1),
NULL);
zassert_equal(1, gpio_emul_output_get(en_frs_gpio, en_frs_pin), NULL);
zassert_ok(gpio_pin_set_dt(GPIO_DT_FROM_ALIAS(gpio_usb_c1_frs_en), 0),
NULL);
zassert_equal(0, gpio_emul_output_get(en_frs_gpio, en_frs_pin), NULL);
/* Verify we can change the gpio_usb_c1_dp_in_hpd state */
zassert_ok(gpio_pin_set_dt(GPIO_DT_FROM_ALIAS(gpio_usb_c1_dp_in_hpd),
1),
NULL);
zassert_equal(1,
gpio_emul_output_get(c1_dp_in_hpd_gpio, c1_dp_in_hpd_pin),
NULL);
zassert_ok(gpio_pin_set_dt(GPIO_DT_FROM_ALIAS(gpio_usb_c1_dp_in_hpd),
0),
NULL);
zassert_equal(0,
gpio_emul_output_get(c1_dp_in_hpd_gpio, c1_dp_in_hpd_pin),
NULL);
/* Verify x_ec_interrupt is enabled */
interrupt_count = 0;
zassert_ok(gpio_emul_input_set(int_x_ec_gpio, int_x_ec_pin, 0), NULL);
k_sleep(K_MSEC(100));
zassert_equal(interrupt_count, 1, "interrupt_count=%d",
interrupt_count);
}
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