diff options
Diffstat (limited to 'zephyr/test/kingler/src/ccd.c')
| -rw-r--r-- | zephyr/test/kingler/src/ccd.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/zephyr/test/kingler/src/ccd.c b/zephyr/test/kingler/src/ccd.c new file mode 100644 index 0000000000..1b46631dc6 --- /dev/null +++ b/zephyr/test/kingler/src/ccd.c @@ -0,0 +1,110 @@ +/* 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 "zephyr/kernel.h" +#include <zephyr/drivers/gpio/gpio_emul.h> +#include <zephyr/fff.h> +#include <zephyr/ztest.h> + +#include "gpio_signal.h" +#include "gpio/gpio_int.h" +#include "hooks.h" + +FAKE_VOID_FUNC(typec_set_sbu, int, bool); +/* fake definitions to pass build */ +FAKE_VOID_FUNC(bmi3xx_interrupt, enum gpio_signal); +FAKE_VOID_FUNC(x_ec_interrupt, enum gpio_signal); + +#define FFF_FAKES_LIST(FAKE) \ + FAKE(typec_set_sbu) \ + FAKE(bmi3xx_interrupt) \ + FAKE(x_ec_interrupt) + +struct kingler_ccd_fixture { + int default_ccd_lvl; + int default_aux_path_lvl; +}; + +static void *ccd_setup(void) +{ + static struct kingler_ccd_fixture f; + + return &f; +} + +static void kingler_ccd_reset_rule_before(const struct ztest_unit_test *test, + void *data) +{ + ARG_UNUSED(test); + ARG_UNUSED(data); + FFF_FAKES_LIST(RESET_FAKE); + FFF_RESET_HISTORY(); +} +ZTEST_RULE(kingler_ccd_reset_rule, kingler_ccd_reset_rule_before, NULL); + +static void kingler_ccd_before(void *data) +{ + struct kingler_ccd_fixture *f = (struct kingler_ccd_fixture *)data; + + f->default_ccd_lvl = + gpio_pin_get_dt(GPIO_DT_FROM_NODELABEL(gpio_ccd_mode_odl)); + f->default_aux_path_lvl = + gpio_pin_get_dt(GPIO_DT_FROM_NODELABEL(dp_aux_path_sel)); + + zassert_ok(gpio_enable_dt_interrupt( + GPIO_INT_FROM_NODELABEL(int_ccd_mode_odl))); +} + +static void kingler_ccd_after(void *data) +{ + struct kingler_ccd_fixture *f = (struct kingler_ccd_fixture *)data; + + zassert_ok(gpio_disable_dt_interrupt( + GPIO_INT_FROM_NODELABEL(int_ccd_mode_odl))); + zassert_ok(gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_ccd_mode_odl), + f->default_ccd_lvl)); + zassert_ok(gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(dp_aux_path_sel), + f->default_aux_path_lvl)); +} + +ZTEST_SUITE(kingler_ccd, NULL, ccd_setup, kingler_ccd_before, kingler_ccd_after, + NULL); + +ZTEST_F(kingler_ccd, test_dp_aux_path) +{ + const struct device *ccd_mode_odl_gpio = DEVICE_DT_GET( + DT_GPIO_CTLR(DT_NODELABEL(gpio_ccd_mode_odl), gpios)); + const gpio_port_pins_t ccd_mode_odl_pin = + DT_GPIO_PIN(DT_NODELABEL(gpio_ccd_mode_odl), gpios); + const struct device *dp_aux_gpio = DEVICE_DT_GET( + DT_GPIO_CTLR(DT_NODELABEL(dp_aux_path_sel), gpios)); + const gpio_port_pins_t dp_aux_pin = + DT_GPIO_PIN(DT_NODELABEL(dp_aux_path_sel), gpios); + + /* reset CCD mode and mux AUX path to CCD port by default */ + zassert_ok(gpio_emul_input_set(ccd_mode_odl_gpio, ccd_mode_odl_pin, 1), + NULL); + zassert_ok(gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(dp_aux_path_sel), 0), + NULL); + zassert_equal(0, gpio_emul_output_get(dp_aux_gpio, dp_aux_pin), NULL); + + /* CCD asserts and trigger ccd_interrupt */ + zassert_ok(gpio_emul_input_set(ccd_mode_odl_gpio, ccd_mode_odl_pin, 0), + NULL); + k_sleep(K_MSEC(100)); + + zassert_equal(1, typec_set_sbu_fake.call_count, NULL); + /* CCD triggered, aux path has to be muxed to port 1 */ + zassert_equal(1, gpio_emul_output_get(dp_aux_gpio, dp_aux_pin), NULL); + + /* CCD deasserts */ + zassert_ok(gpio_emul_input_set(ccd_mode_odl_gpio, ccd_mode_odl_pin, 1), + NULL); + + k_sleep(K_MSEC(100)); + /* do not touch dp aux path when CCD deasserted */ + zassert_equal(1, gpio_emul_output_get(dp_aux_gpio, dp_aux_pin), NULL); + zassert_equal(1, typec_set_sbu_fake.call_count, NULL); +} |