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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 <stdint.h>
#include <zephyr/kernel.h>
#include <zephyr/ztest.h>
#include <zephyr/drivers/gpio/gpio_emul.h>
#include "ec_commands.h"
#include "ec_tasks.h"
#include "emul/emul_isl923x.h"
#include "emul/tcpc/emul_ps8xxx.h"
#include "emul/tcpc/emul_tcpci.h"
#include "emul/tcpc/emul_tcpci_partner_common.h"
#include "emul/tcpc/emul_tcpci_partner_drp.h"
#include "emul/tcpc/emul_tcpci_partner_snk.h"
#include "host_command.h"
#include "test/drivers/stubs.h"
#include "tcpm/tcpci.h"
#include "test/drivers/utils.h"
#include "test/drivers/test_state.h"
#define TEST_PORT 0
struct common_fixture {
const struct emul *tcpci_emul;
const struct emul *charger_emul;
struct tcpci_partner_data partner;
struct tcpci_snk_emul_data snk_ext;
struct tcpci_src_emul_data src_ext;
struct tcpci_drp_emul_data drp_ext;
};
struct usbc_vconn_swap_fixture {
struct common_fixture common;
};
static void connect_partner_to_port(const struct emul *tcpc_emul,
const struct emul *charger_emul,
struct tcpci_partner_data *partner_emul,
const struct tcpci_src_emul_data *src_ext)
{
/*
* TODO(b/221439302): Updating the TCPCI emulator registers, updating
* the charger, and alerting should all be a part of the connect
* function.
*/
set_ac_enabled(true);
zassume_ok(tcpci_partner_connect_to_tcpci(partner_emul, tcpc_emul),
NULL);
isl923x_emul_set_adc_vbus(charger_emul,
PDO_FIXED_GET_VOLT(src_ext->pdo[0]));
/* Wait for PD negotiation and current ramp. */
k_sleep(K_SECONDS(10));
}
static void disconnect_partner_from_port(const struct emul *tcpc_emul,
const struct emul *charger_emul)
{
zassume_ok(tcpci_emul_disconnect_partner(tcpc_emul), NULL);
isl923x_emul_set_adc_vbus(charger_emul, 0);
k_sleep(K_SECONDS(1));
}
static void *common_setup(void)
{
static struct usbc_vconn_swap_fixture outer_fixture;
struct common_fixture *fixture = &outer_fixture.common;
struct tcpci_partner_data *partner = &fixture->partner;
struct tcpci_src_emul_data *src_ext = &fixture->src_ext;
struct tcpci_snk_emul_data *snk_ext = &fixture->snk_ext;
tcpci_partner_init(partner, PD_REV30);
fixture->partner.extensions = tcpci_drp_emul_init(
&fixture->drp_ext, partner, PD_ROLE_SOURCE,
tcpci_src_emul_init(src_ext, partner, NULL),
tcpci_snk_emul_init(snk_ext, partner, NULL));
/* Get references for the emulators */
fixture->tcpci_emul = EMUL_GET_USBC_BINDING(TEST_PORT, tcpc);
fixture->charger_emul = EMUL_GET_USBC_BINDING(TEST_PORT, chg);
return &outer_fixture;
}
static void *usbc_vconn_swap_setup(void)
{
return common_setup();
}
static void common_before(struct common_fixture *fixture)
{
/* Set chipset to ON, this will set TCPM to DRP */
test_set_chipset_to_s0();
/* TODO(b/214401892): Check why need to give time TCPM to spin */
k_sleep(K_SECONDS(1));
connect_partner_to_port(fixture->tcpci_emul, fixture->charger_emul,
&fixture->partner, &fixture->src_ext);
k_sleep(K_SECONDS(1));
}
static void usbc_vconn_swap_before(void *data)
{
struct usbc_vconn_swap_fixture *outer = data;
common_before(&outer->common);
}
static void common_after(struct common_fixture *fixture)
{
disconnect_partner_from_port(fixture->tcpci_emul,
fixture->charger_emul);
}
static void usbc_vconn_swap_after(void *data)
{
struct usbc_vconn_swap_fixture *outer = data;
common_after(&outer->common);
}
ZTEST_SUITE(usbc_vconn_swap, drivers_predicate_post_main, usbc_vconn_swap_setup,
usbc_vconn_swap_before, usbc_vconn_swap_after, NULL);
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