diff options
Diffstat (limited to 'zephyr/test/skyrim/src/frostflow/usb_mux_config.c')
| -rw-r--r-- | zephyr/test/skyrim/src/frostflow/usb_mux_config.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/zephyr/test/skyrim/src/frostflow/usb_mux_config.c b/zephyr/test/skyrim/src/frostflow/usb_mux_config.c new file mode 100644 index 0000000000..929bd318d4 --- /dev/null +++ b/zephyr/test/skyrim/src/frostflow/usb_mux_config.c @@ -0,0 +1,60 @@ +/* Copyright 2023 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/drivers/gpio/gpio_emul.h> +#include <zephyr/fff.h> +#include <zephyr/ztest.h> + +#include <gpio.h> +#include <usbc/usb_muxes.h> + +int board_c0_amd_fp6_mux_set(const struct usb_mux *me, mux_state_t mux_state); +int board_c1_ps8818_mux_set(const struct usb_mux *me, mux_state_t mux_state); + +ZTEST_SUITE(usb_mux_config, NULL, NULL, NULL, NULL, NULL); + +ZTEST(usb_mux_config, board_c0_amd_fp6_mux_set) +{ + const struct gpio_dt_spec *c0 = + GPIO_DT_FROM_NODELABEL(ioex_usb_c0_sbu_flip); + const struct gpio_dt_spec *c1 = + GPIO_DT_FROM_NODELABEL(ioex_usb_c1_sbu_flip); + struct usb_mux mux; + int rv; + + /* Output for each port should match inverted status. */ + mux.usb_port = 0; + rv = board_c0_amd_fp6_mux_set(&mux, 0); + zassert_equal(rv, EC_SUCCESS); + zassert_equal(gpio_emul_output_get(c0->port, c0->pin), 0); + + rv = board_c0_amd_fp6_mux_set(&mux, USB_PD_MUX_POLARITY_INVERTED); + zassert_equal(rv, EC_SUCCESS); + zassert_equal(gpio_emul_output_get(c0->port, c0->pin), 1); + + mux.usb_port = 1; + rv = board_c0_amd_fp6_mux_set(&mux, 0); + zassert_equal(rv, EC_SUCCESS); + zassert_equal(gpio_emul_output_get(c1->port, c1->pin), 0); + + rv = board_c0_amd_fp6_mux_set(&mux, USB_PD_MUX_POLARITY_INVERTED); + zassert_equal(rv, EC_SUCCESS); + zassert_equal(gpio_emul_output_get(c1->port, c1->pin), 1); +} + +ZTEST(usb_mux_config, board_c1_ps8818_mux_set) +{ + const struct gpio_dt_spec *gpio = + GPIO_DT_FROM_NODELABEL(gpio_usb_c1_in_hpd); + struct usb_mux mux; + + /* gpio_usb_c1_in_hpd should match if DP is enabled. */ + mux.usb_port = 0; + zassert_ok(board_c1_ps8818_mux_set(&mux, 0)); + zassert_equal(gpio_emul_output_get(gpio->port, gpio->pin), 0); + + mux.usb_port = 1; + zassert_ok(board_c1_ps8818_mux_set(&mux, USB_PD_MUX_DP_ENABLED)); + zassert_equal(gpio_emul_output_get(gpio->port, gpio->pin), 1); +} |