diff options
Diffstat (limited to 'zephyr/test/drivers/default/src/integration/usbc/usb_20v_3a_pd_charger.c')
| -rw-r--r-- | zephyr/test/drivers/default/src/integration/usbc/usb_20v_3a_pd_charger.c | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/zephyr/test/drivers/default/src/integration/usbc/usb_20v_3a_pd_charger.c b/zephyr/test/drivers/default/src/integration/usbc/usb_20v_3a_pd_charger.c new file mode 100644 index 0000000000..3fc73337b9 --- /dev/null +++ b/zephyr/test/drivers/default/src/integration/usbc/usb_20v_3a_pd_charger.c @@ -0,0 +1,231 @@ +/* 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.h> + +#include "battery_smart.h" +#include "emul/emul_isl923x.h" +#include "emul/emul_smart_battery.h" +#include "emul/tcpc/emul_tcpci_partner_src.h" +#include "test/drivers/test_state.h" +#include "test/drivers/utils.h" +#include "usb_pd.h" + +#define BATTERY_NODE DT_NODELABEL(battery) + +struct usb_attach_20v_3a_pd_charger_fixture { + struct tcpci_partner_data charger_20v; + struct tcpci_src_emul_data src_ext; + const struct emul *tcpci_emul; + const struct emul *charger_emul; +}; + +static inline void +connect_charger_to_port(struct usb_attach_20v_3a_pd_charger_fixture *fixture) +{ + set_ac_enabled(true); + zassume_ok(tcpci_partner_connect_to_tcpci(&fixture->charger_20v, + fixture->tcpci_emul), + NULL); + + isl923x_emul_set_adc_vbus(fixture->charger_emul, + PDO_FIXED_GET_VOLT(fixture->src_ext.pdo[1])); + + /* Wait for PD negotiation and current ramp. + * TODO(b/213906889): Check message timing and contents. + */ + k_sleep(K_SECONDS(10)); +} + +static inline void disconnect_charger_from_port( + struct usb_attach_20v_3a_pd_charger_fixture *fixture) +{ + set_ac_enabled(false); + zassume_ok(tcpci_emul_disconnect_partner(fixture->tcpci_emul), NULL); + isl923x_emul_set_adc_vbus(fixture->charger_emul, 0); + k_sleep(K_SECONDS(1)); +} + +static void *usb_attach_20v_3a_pd_charger_setup(void) +{ + static struct usb_attach_20v_3a_pd_charger_fixture test_fixture; + + /* Get references for the emulators */ + test_fixture.tcpci_emul = EMUL_GET_USBC_BINDING(0, tcpc); + test_fixture.charger_emul = EMUL_GET_USBC_BINDING(0, chg); + + /* Initialized the charger to supply 20V and 3A */ + tcpci_partner_init(&test_fixture.charger_20v, PD_REV20); + test_fixture.charger_20v.extensions = tcpci_src_emul_init( + &test_fixture.src_ext, &test_fixture.charger_20v, NULL); + test_fixture.src_ext.pdo[1] = + PDO_FIXED(20000, 3000, PDO_FIXED_UNCONSTRAINED); + + return &test_fixture; +} + +static void usb_attach_20v_3a_pd_charger_before(void *data) +{ + connect_charger_to_port( + (struct usb_attach_20v_3a_pd_charger_fixture *)data); +} + +static void usb_attach_20v_3a_pd_charger_after(void *data) +{ + disconnect_charger_from_port( + (struct usb_attach_20v_3a_pd_charger_fixture *)data); +} + +ZTEST_SUITE(usb_attach_20v_3a_pd_charger, drivers_predicate_post_main, + usb_attach_20v_3a_pd_charger_setup, + usb_attach_20v_3a_pd_charger_before, + usb_attach_20v_3a_pd_charger_after, NULL); + +ZTEST(usb_attach_20v_3a_pd_charger, test_battery_is_charging) +{ + const struct emul *emul = EMUL_DT_GET(BATTERY_NODE); + uint16_t battery_status; + + zassume_ok(sbat_emul_get_word_val(emul, SB_BATTERY_STATUS, + &battery_status), + NULL); + zassert_equal(battery_status & STATUS_DISCHARGING, 0, + "Battery is discharging: %d", battery_status); +} + +ZTEST(usb_attach_20v_3a_pd_charger, test_charge_state) +{ + struct ec_response_charge_state state = host_cmd_charge_state(0); + + zassert_true(state.get_state.ac, "AC_OK not triggered"); + zassert_true(state.get_state.chg_voltage > 0, + "Expected a charge voltage, but got %dmV", + state.get_state.chg_voltage); + zassert_true(state.get_state.chg_current > 0, + "Expected a charge current, but got %dmA", + state.get_state.chg_current); +} + +ZTEST(usb_attach_20v_3a_pd_charger, test_typec_status) +{ + struct ec_response_typec_status status = host_cmd_typec_status(0); + + zassert_true(status.pd_enabled, "PD is disabled"); + zassert_true(status.dev_connected, "Device disconnected"); + zassert_true(status.sop_connected, "Charger is not SOP capable"); + zassert_equal(status.source_cap_count, 2, + "Expected 2 source PDOs, but got %d", + status.source_cap_count); + zassert_equal(status.power_role, PD_ROLE_SINK, + "Expected power role to be %d, but got %d", PD_ROLE_SINK, + status.power_role); +} + +ZTEST(usb_attach_20v_3a_pd_charger, test_power_info) +{ + struct ec_response_usb_pd_power_info info = host_cmd_power_info(0); + + zassert_equal(info.role, USB_PD_PORT_POWER_SINK, + "Expected role to be %d, but got %d", + USB_PD_PORT_POWER_SINK, info.role); + zassert_equal(info.type, USB_CHG_TYPE_PD, + "Expected type to be %d, but got %d", USB_CHG_TYPE_PD, + info.type); + zassert_equal(info.meas.voltage_max, 20000, + "Expected charge voltage max of 20000mV, but got %dmV", + info.meas.voltage_max); + zassert_within( + info.meas.voltage_now, 20000, 2000, + "Charging voltage expected to be near 20000mV, but was %dmV", + info.meas.voltage_now); + zassert_equal(info.meas.current_max, 3000, + "Current max expected to be 3000mV, but was %dmV", + info.meas.current_max); + zassert_true(info.meas.current_lim >= 3000, + "VBUS max is set to 3000mA, but PD is reporting %dmA", + info.meas.current_lim); + zassert_equal(info.max_power, 20000 * 3000, + "Charging expected to be at %duW, but PD max is %duW", + 20000 * 3000, info.max_power); +} + +ZTEST_F(usb_attach_20v_3a_pd_charger, test_disconnect_battery_not_charging) +{ + const struct emul *emul = EMUL_DT_GET(BATTERY_NODE); + uint16_t battery_status; + + disconnect_charger_from_port(fixture); + zassert_ok(sbat_emul_get_word_val(emul, SB_BATTERY_STATUS, + &battery_status), + NULL); + zassert_equal(battery_status & STATUS_DISCHARGING, STATUS_DISCHARGING, + "Battery is not discharging: %d", battery_status); +} + +ZTEST_F(usb_attach_20v_3a_pd_charger, test_disconnect_charge_state) +{ + struct ec_response_charge_state charge_state; + + disconnect_charger_from_port(fixture); + charge_state = host_cmd_charge_state(0); + + zassert_false(charge_state.get_state.ac, "AC_OK not triggered"); + zassert_equal(charge_state.get_state.chg_current, 0, + "Max charge current expected 0mA, but was %dmA", + charge_state.get_state.chg_current); + zassert_equal(charge_state.get_state.chg_input_current, + CONFIG_PLATFORM_EC_CHARGER_INPUT_CURRENT, + "Charge input current limit expected %dmA, but was %dmA", + CONFIG_PLATFORM_EC_CHARGER_INPUT_CURRENT, + charge_state.get_state.chg_input_current); +} + +ZTEST_F(usb_attach_20v_3a_pd_charger, test_disconnect_typec_status) +{ + struct ec_response_typec_status typec_status; + + disconnect_charger_from_port(fixture); + typec_status = host_cmd_typec_status(0); + + zassert_false(typec_status.pd_enabled, NULL); + zassert_false(typec_status.dev_connected, NULL); + zassert_false(typec_status.sop_connected, NULL); + zassert_equal(typec_status.source_cap_count, 0, + "Expected 0 source caps, but got %d", + typec_status.source_cap_count); + zassert_equal(typec_status.power_role, USB_CHG_TYPE_NONE, + "Expected power role to be %d, but got %d", + USB_CHG_TYPE_NONE, typec_status.power_role); +} + +ZTEST_F(usb_attach_20v_3a_pd_charger, test_disconnect_power_info) +{ + struct ec_response_usb_pd_power_info power_info; + + disconnect_charger_from_port(fixture); + power_info = host_cmd_power_info(0); + + zassert_equal(power_info.role, USB_PD_PORT_POWER_DISCONNECTED, + "Expected power role to be %d, but got %d", + USB_PD_PORT_POWER_DISCONNECTED, power_info.role); + zassert_equal(power_info.type, USB_CHG_TYPE_NONE, + "Expected charger type to be %d, but got %s", + USB_CHG_TYPE_NONE, power_info.type); + zassert_equal(power_info.max_power, 0, + "Expected the maximum power to be 0uW, but got %duW", + power_info.max_power); + zassert_equal(power_info.meas.voltage_max, 0, + "Expected maximum voltage of 0mV, but got %dmV", + power_info.meas.voltage_max); + zassert_within(power_info.meas.voltage_now, 5, 5, + "Expected present voltage near 0mV, but got %dmV", + power_info.meas.voltage_now); + zassert_equal(power_info.meas.current_max, 0, + "Expected maximum current of 0mA, but got %dmA", + power_info.meas.current_max); + zassert_true(power_info.meas.current_lim >= 0, + "Expected the PD current limit to be >= 0, but got %dmA", + power_info.meas.current_lim); +} |