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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 <zephyr/ztest_assert.h>
#include <zephyr/ztest_test_new.h>
#include "ec_commands.h"
#include "suite.h"
#include "usb_common.h"
#include "usb_pd.h"
#define TEST_PORT 0
ZTEST_USER(usb_common, test_get_typec_current_limit_detached)
{
/* If both CC lines are open, current limit should be 0 A. */
typec_current_t current = usb_get_typec_current_limit(
POLARITY_CC1, TYPEC_CC_VOLT_OPEN, TYPEC_CC_VOLT_OPEN);
zassert_equal(current & TYPEC_CURRENT_ILIM_MASK, 0);
zassert_equal(current & TYPEC_CURRENT_DTS_MASK, 0);
}
ZTEST_USER(usb_common, test_get_typec_current_limit_rp_default)
{
/* USB Default current is 500 mA. */
typec_current_t current = usb_get_typec_current_limit(
POLARITY_CC1, TYPEC_CC_VOLT_RP_DEF, TYPEC_CC_VOLT_OPEN);
zassert_equal(current & TYPEC_CURRENT_ILIM_MASK, 500);
zassert_equal(current & TYPEC_CURRENT_DTS_MASK, 0);
}
ZTEST_USER(usb_common, test_get_typec_current_limit_rp_1500)
{
typec_current_t current = usb_get_typec_current_limit(
POLARITY_CC1, TYPEC_CC_VOLT_RP_1_5, TYPEC_CC_VOLT_OPEN);
zassert_equal(current & TYPEC_CURRENT_ILIM_MASK, 1500);
zassert_equal(current & TYPEC_CURRENT_DTS_MASK, 0);
}
ZTEST_USER(usb_common, test_get_typec_current_limit_rp_3000)
{
typec_current_t current = usb_get_typec_current_limit(
POLARITY_CC1, TYPEC_CC_VOLT_RP_3_0, TYPEC_CC_VOLT_OPEN);
zassert_equal(current & TYPEC_CURRENT_ILIM_MASK, 3000);
zassert_equal(current & TYPEC_CURRENT_DTS_MASK, 0);
}
ZTEST_USER(usb_common, test_get_typec_current_limit_rp_dts)
{
/* For a DTS source, Rp 3A/Rp 1.5A indicates USB default current. The
* DTS flag should be set.
*/
typec_current_t current = usb_get_typec_current_limit(
POLARITY_CC1, TYPEC_CC_VOLT_RP_3_0, TYPEC_CC_VOLT_RP_1_5);
zassert_equal(current & TYPEC_CURRENT_ILIM_MASK, 500);
zassert_equal(current & TYPEC_CURRENT_DTS_MASK, TYPEC_CURRENT_DTS_MASK);
}
ZTEST_USER(usb_common, test_get_snk_polarity)
{
zassert_equal(get_snk_polarity(TYPEC_CC_VOLT_RP_3_0,
TYPEC_CC_VOLT_OPEN),
POLARITY_CC1);
zassert_equal(get_snk_polarity(TYPEC_CC_VOLT_OPEN,
TYPEC_CC_VOLT_RP_3_0),
POLARITY_CC2);
}
ZTEST_USER(usb_common, test_get_snk_polarity_dts)
{
zassert_equal(get_snk_polarity(TYPEC_CC_VOLT_RP_3_0,
TYPEC_CC_VOLT_RP_DEF),
POLARITY_CC1_DTS);
zassert_equal(get_snk_polarity(TYPEC_CC_VOLT_RP_DEF,
TYPEC_CC_VOLT_RP_3_0),
POLARITY_CC2_DTS);
}
ZTEST_USER(usb_common, test_get_src_polarity)
{
zassert_equal(get_src_polarity(TYPEC_CC_VOLT_RD, TYPEC_CC_VOLT_OPEN),
POLARITY_CC1);
zassert_equal(get_src_polarity(TYPEC_CC_VOLT_OPEN, TYPEC_CC_VOLT_RD),
POLARITY_CC2);
}
ZTEST_USER(usb_common, test_pd_get_cc_state)
{
zassert_equal(pd_get_cc_state(TYPEC_CC_VOLT_RD, TYPEC_CC_VOLT_RD),
PD_CC_UFP_DEBUG_ACC);
zassert_equal(pd_get_cc_state(TYPEC_CC_VOLT_RD, TYPEC_CC_VOLT_OPEN),
PD_CC_UFP_ATTACHED);
zassert_equal(pd_get_cc_state(TYPEC_CC_VOLT_RA, TYPEC_CC_VOLT_RA),
PD_CC_UFP_AUDIO_ACC);
zassert_equal(pd_get_cc_state(TYPEC_CC_VOLT_RP_3_0,
TYPEC_CC_VOLT_RP_DEF),
PD_CC_DFP_DEBUG_ACC);
zassert_equal(pd_get_cc_state(TYPEC_CC_VOLT_RP_3_0, TYPEC_CC_VOLT_OPEN),
PD_CC_DFP_ATTACHED);
zassert_equal(pd_get_cc_state(TYPEC_CC_VOLT_OPEN, TYPEC_CC_VOLT_OPEN),
PD_CC_NONE);
}
ZTEST_USER(usb_common, test_pd_board_check_request_default)
{
/* The default implementation accepts any RDO. Just use a basic one. */
zassert_ok(pd_board_check_request(RDO_FIXED(0, 3000, 3000, 0), 1));
}
ZTEST_USER(usb_common, test_pd_check_requested_voltage)
{
uint32_t rdo;
rdo = RDO_FIXED(1, 1000, 1500, 0);
zassert_ok(pd_check_requested_voltage(rdo, 0));
/* An index of 0 is invalid. */
rdo = RDO_FIXED(0, 1000, 1500, 0);
zassert_equal(pd_check_requested_voltage(rdo, 0), EC_ERROR_INVAL);
/* So is an index larger than the number of source PDOs, which is 1 by
* default.
*/
rdo = RDO_FIXED(5, 1000, 1500, 0);
zassert_equal(pd_check_requested_voltage(rdo, 0), EC_ERROR_INVAL);
/* So is operating current too high. (This RDO doesn't make sense.) */
rdo = RDO_FIXED(1, 1800, 1500, 0);
zassert_equal(pd_check_requested_voltage(rdo, 0), EC_ERROR_INVAL);
/* So is maximum current too high. */
rdo = RDO_FIXED(1, 1000, 1800, 0);
zassert_equal(pd_check_requested_voltage(rdo, 0), EC_ERROR_INVAL);
}
ZTEST_USER(usb_common, test_board_is_usb_pd_port_present)
{
zassert_true(board_is_usb_pd_port_present(TEST_PORT));
zassert_false(board_is_usb_pd_port_present(-1));
zassert_false(board_is_usb_pd_port_present(100));
}
ZTEST_USER(usb_common, test_board_is_dts_port)
{
zassert_true(board_is_dts_port(TEST_PORT));
}
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