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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 "emul/tcpc/emul_tcpci.h"
#include "tcpm/anx7447_public.h"
#include "tcpm/tcpci.h"
#include "test/drivers/stubs.h"
#include "test/drivers/test_state.h"
#include "usb_pd.h"
#include <zephyr/drivers/emul.h>
#include <zephyr/ztest.h>
#define ANX7447_NODE DT_NODELABEL(anx7447_emul)
static const int tcpm_anx7447_port = USBC_PORT_C0;
ZTEST_SUITE(low_power_mode, drivers_predicate_post_main, NULL, NULL, NULL,
NULL);
ZTEST(low_power_mode, enter_low_power_in_source_mode)
{
uint16_t reg_val = 0;
const struct emul *anx7447_emul = EMUL_DT_GET(ANX7447_NODE);
pd_set_dual_role(tcpm_anx7447_port, PD_DRP_FORCE_SOURCE);
tcpci_emul_set_reg(anx7447_emul, TCPC_REG_ROLE_CTRL, 0);
zassert_ok(anx7447_tcpm_drv.enter_low_power_mode(tcpm_anx7447_port),
"Cannot enter low power mode");
zassert_ok(tcpci_emul_get_reg(anx7447_emul, TCPC_REG_ROLE_CTRL,
®_val),
"Cannot get TCPC Role Register value");
zassert_equal(
reg_val,
TCPC_REG_ROLE_CTRL_SET(TYPEC_NO_DRP, TYPEC_RP_USB, TYPEC_CC_RP,
TYPEC_CC_RP),
"Role register value is not as expected while entering low power mode");
}
ZTEST(low_power_mode, enter_low_power_not_in_source_mode)
{
uint16_t reg_val = 0;
const struct emul *anx7447_emul = EMUL_DT_GET(ANX7447_NODE);
pd_set_dual_role(tcpm_anx7447_port, PD_DRP_FORCE_SINK);
tcpci_emul_set_reg(anx7447_emul, TCPC_REG_ROLE_CTRL, 0);
zassert_ok(anx7447_tcpm_drv.enter_low_power_mode(tcpm_anx7447_port),
"Cannot enter low power mode");
zassert_ok(tcpci_emul_get_reg(anx7447_emul, TCPC_REG_ROLE_CTRL,
®_val),
"Cannot get TCPC Role Register value");
zassert_equal(reg_val, 0, "Role register value is changed");
}
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