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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 "test/drivers/utils.h"
#include "test_usbc_alt_mode.h"
#include <zephyr/drivers/gpio/gpio_emul.h>
#include <zephyr/kernel.h>
#include <zephyr/ztest.h>
#include <gpio.h>
/* Tests that require CONFIG_PLATFORM_EC_USB_PD_REQUIRE_AP_MODE_ENTRY enabled */
ZTEST_F(usbc_alt_mode, verify_displayport_mode_reentry)
{
if (!IS_ENABLED(CONFIG_PLATFORM_EC_USB_PD_REQUIRE_AP_MODE_ENTRY)) {
ztest_test_skip();
}
host_cmd_typec_control_enter_mode(TEST_PORT, TYPEC_MODE_DP);
k_sleep(K_SECONDS(1));
/* DPM configures the partner on DP mode entry */
/* Verify port partner thinks its configured for DisplayPort */
zassert_true(fixture->partner.displayport_configured);
host_cmd_typec_control_exit_modes(TEST_PORT);
k_sleep(K_SECONDS(1));
zassert_false(fixture->partner.displayport_configured);
host_cmd_typec_control_enter_mode(TEST_PORT, TYPEC_MODE_DP);
k_sleep(K_SECONDS(1));
zassert_true(fixture->partner.displayport_configured);
/*
* Verify that DisplayPort is the active alternate mode by checking our
* MUX settings
*/
struct ec_response_typec_status status;
status = host_cmd_typec_status(TEST_PORT);
zassert_equal((status.mux_state & USB_PD_MUX_DP_ENABLED),
USB_PD_MUX_DP_ENABLED, "Failed to see DP mux set");
}
ZTEST_F(usbc_alt_mode, verify_mode_exit_via_pd_host_cmd)
{
const struct gpio_dt_spec *gpio =
GPIO_DT_FROM_NODELABEL(gpio_usb_c0_hpd);
if (!IS_ENABLED(CONFIG_PLATFORM_EC_USB_PD_REQUIRE_AP_MODE_ENTRY)) {
ztest_test_skip();
}
host_cmd_typec_control_enter_mode(TEST_PORT, TYPEC_MODE_DP);
k_sleep(K_SECONDS(1));
/*
* Set HPD so we can see it clear on Exit
*/
uint32_t vdm_attention_data[2];
vdm_attention_data[0] =
VDO(USB_SID_DISPLAYPORT, 1,
VDO_OPOS(1) | VDO_CMDT(CMDT_INIT) | CMD_ATTENTION);
vdm_attention_data[1] = VDO_DP_STATUS(1, /* IRQ_HPD */
true, /* HPD_HI|LOW - Changed*/
0, /* request exit DP */
0, /* request exit USB */
0, /* MF pref */
true, /* DP Enabled */
0, /* power low e.g. normal */
0x2 /* Connected as Sink */);
tcpci_partner_send_data_msg(&fixture->partner, PD_DATA_VENDOR_DEF,
vdm_attention_data, 2, 0);
k_sleep(K_SECONDS(1));
zassert_equal(gpio_emul_output_get(gpio->port, gpio->pin), 1);
host_cmd_typec_control_exit_modes(TEST_PORT);
k_sleep(K_SECONDS(1));
zassert_false(fixture->partner.displayport_configured);
zassert_equal(gpio_emul_output_get(gpio->port, gpio->pin), 0);
/*
* Verify that DisplayPort is no longer active by checking our
* MUX settings
*/
struct ec_response_typec_status status;
status = host_cmd_typec_status(TEST_PORT);
zassert_equal((status.mux_state & USB_PD_MUX_DP_ENABLED), 0);
}
ZTEST_F(usbc_alt_mode, verify_early_status_hpd_set)
{
const struct gpio_dt_spec *gpio =
GPIO_DT_FROM_NODELABEL(gpio_usb_c0_hpd);
if (!IS_ENABLED(CONFIG_PLATFORM_EC_USB_PD_REQUIRE_AP_MODE_ENTRY)) {
ztest_test_skip();
}
/*
* Tweak our DP:Status reply to set HPD and ensure it's transmitted
* through our HPD GPIO
*/
fixture->partner.dp_status_vdm[VDO_INDEX_HDR + 1] =
/* Mainly copied from hoho */
VDO_DP_STATUS(0, /* IRQ_HPD */
true, /* HPD_HI|LOW - Changed*/
0, /* request exit DP */
0, /* request exit USB */
0, /* MF pref */
true, /* DP Enabled */
0, /* power low e.g. normal */
0x2 /* Connected as Sink */);
host_cmd_typec_control_enter_mode(TEST_PORT, TYPEC_MODE_DP);
k_sleep(K_SECONDS(1));
zassert_equal(gpio_emul_output_get(gpio->port, gpio->pin), 1);
}
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