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/* 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);
}
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