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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/stubs.h"
#include "test/drivers/test_state.h"
#include "test/drivers/utils.h"
#include "usb_mux.h"
#include <zephyr/ztest.h>
static void ap_mux_control_before(void *data)
{
/* Set chipset on to ensure muxes are "powered" */
test_set_chipset_to_s0();
/*
* Set all muxes to NONE to begin with and give time for the USB_MUX
* task to process them.
*/
usb_mux_set(USBC_PORT_C0, USB_PD_MUX_NONE, USB_SWITCH_CONNECT, 0);
k_sleep(K_SECONDS(1));
/* And test the assumption that setting NONE worked */
zassert_equal(usb_mux_get(USBC_PORT_C0), USB_PD_MUX_NONE,
"Failed to set mux to initial state");
}
static void ap_mux_control_after(void *data)
{
/*
* Set all muxes to NONE now that we're done and give time for the
* USB_MUX task to process them.
*/
usb_mux_set(USBC_PORT_C0, USB_PD_MUX_NONE, USB_SWITCH_CONNECT, 0);
k_sleep(K_SECONDS(1));
}
ZTEST_SUITE(ap_mux_control, drivers_predicate_post_main, NULL,
ap_mux_control_before, ap_mux_control_after, NULL);
ZTEST(ap_mux_control, test_feature_present)
{
struct ec_response_get_features feat = host_cmd_get_features();
zassert_true(feat.flags[1] &
EC_FEATURE_MASK_1(EC_FEATURE_TYPEC_AP_MUX_SET),
"Failed to see feature present");
}
ZTEST(ap_mux_control, test_set_muxes)
{
struct ec_response_typec_status status;
struct typec_usb_mux_set mux_set;
uint32_t port_events;
int index;
uint8_t set_mode = USB_PD_MUX_DOCK;
/* Test setting both mux indexes and receiving their events */
/* TODO(b/239457738): Loop counter should come from device tree */
for (index = 0; index < 2; index++) {
mux_set.mux_index = index;
mux_set.mux_flags = set_mode;
host_cmd_typec_control_usb_mux_set(USBC_PORT_C0, mux_set);
/* Give the task processing time */
k_sleep(K_SECONDS(1));
/*
* TODO(b/239460181): The "AP" should receive
* EC_HOST_EVENT_PD_MCU
*/
/* We should see the right index's event set on the port */
status = host_cmd_typec_status(USBC_PORT_C0);
port_events = index ? PD_STATUS_EVENT_MUX_1_SET_DONE :
PD_STATUS_EVENT_MUX_0_SET_DONE;
zassert_true(status.events & port_events, "Port event missing");
/* Clear this mux's event */
host_cmd_typec_control_clear_events(USBC_PORT_C0, port_events);
}
/*
* Verify our mux mode is reported as set, and that our mux events are
* cleared out
*/
status = host_cmd_typec_status(USBC_PORT_C0);
port_events = PD_STATUS_EVENT_MUX_0_SET_DONE |
PD_STATUS_EVENT_MUX_1_SET_DONE;
zassert_false(status.events & port_events, "Port events still set");
zassert_equal(status.mux_state, set_mode,
"Mux set to unexpected state");
}
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