/* 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 #include "battery_smart.h" #include "emul/emul_isl923x.h" #include "emul/emul_smart_battery.h" #include "emul/tcpc/emul_tcpci_partner_src.h" #include "system.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_5v_3a_pd_source_fixture { struct tcpci_partner_data source_5v_3a; struct tcpci_src_emul_data src_ext; const struct emul *tcpci_emul; const struct emul *charger_emul; }; static void *usb_attach_5v_3a_pd_source_setup(void) { static struct usb_attach_5v_3a_pd_source_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 5V and 3A */ tcpci_partner_init(&test_fixture.source_5v_3a, PD_REV20); test_fixture.source_5v_3a.extensions = tcpci_src_emul_init( &test_fixture.src_ext, &test_fixture.source_5v_3a, NULL); test_fixture.src_ext.pdo[1] = PDO_FIXED(5000, 3000, PDO_FIXED_UNCONSTRAINED); return &test_fixture; } static void usb_attach_5v_3a_pd_source_before(void *data) { struct usb_attach_5v_3a_pd_source_fixture *fixture = data; connect_source_to_port(&fixture->source_5v_3a, &fixture->src_ext, 1, fixture->tcpci_emul, fixture->charger_emul); } static void usb_attach_5v_3a_pd_source_after(void *data) { struct usb_attach_5v_3a_pd_source_fixture *fixture = data; disconnect_source_from_port(fixture->tcpci_emul, fixture->charger_emul); } ZTEST_SUITE(usb_attach_5v_3a_pd_source, drivers_predicate_post_main, usb_attach_5v_3a_pd_source_setup, usb_attach_5v_3a_pd_source_before, usb_attach_5v_3a_pd_source_after, NULL); ZTEST(usb_attach_5v_3a_pd_source, 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_5v_3a_pd_source, 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_5v_3a_pd_source, 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_5v_3a_pd_source, 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, 5000, "Expected charge voltage max of 5000mV, but got %dmV", info.meas.voltage_max); zassert_within( info.meas.voltage_now, 5000, 500, "Charging voltage expected to be near 5000mV, 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, 5000 * 3000, "Charging expected to be at %duW, but PD max is %duW", 5000 * 3000, info.max_power); } ZTEST_F(usb_attach_5v_3a_pd_source, test_disconnect_battery_not_charging) { const struct emul *emul = EMUL_DT_GET(BATTERY_NODE); uint16_t battery_status; disconnect_source_from_port(fixture->tcpci_emul, fixture->charger_emul); 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_5v_3a_pd_source, test_disconnect_charge_state) { struct ec_response_charge_state charge_state; disconnect_source_from_port(fixture->tcpci_emul, fixture->charger_emul); 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_5v_3a_pd_source, test_disconnect_typec_status) { struct ec_response_typec_status typec_status; disconnect_source_from_port(fixture->tcpci_emul, fixture->charger_emul); 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_5v_3a_pd_source, test_disconnect_power_info) { struct ec_response_usb_pd_power_info power_info; disconnect_source_from_port(fixture->tcpci_emul, fixture->charger_emul); 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); } ZTEST(usb_attach_5v_3a_pd_source, test_ap_can_boot_on_low_battery_while_charging) { const struct emul *smart_batt_emul = EMUL_DT_GET(DT_NODELABEL(battery)); struct sbat_emul_bat_data *batt_data = sbat_emul_get_bat_data(smart_batt_emul); /* Set capacity to what gives a charge percentage less than required * for booting the AP * * Capacaity is reset by emulator's ZTEST_RULE */ batt_data->cap = (CONFIG_CHARGER_MIN_BAT_PCT_FOR_POWER_ON * batt_data->design_cap / 100) - 1; zassert_true(system_can_boot_ap(), NULL); } ZTEST_F(usb_attach_5v_3a_pd_source, test_ap_fails_to_boot_on_low_battery_while_not_charging) { const struct emul *smart_batt_emul = EMUL_DT_GET(DT_NODELABEL(battery)); struct sbat_emul_bat_data *batt_data = sbat_emul_get_bat_data(smart_batt_emul); /* Set capacity to what gives a charge percentage less than required * for booting the AP * * Capacaity is reset by emulator's ZTEST_RULE */ batt_data->cap = (CONFIG_CHARGER_MIN_BAT_PCT_FOR_POWER_ON * batt_data->design_cap / 100) - 1; disconnect_source_from_port(fixture->tcpci_emul, fixture->charger_emul); zassert_false(system_can_boot_ap(), NULL); }