/* Copyright 2022 The Chromium OS Authors. All rights reserved. * 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 "test/drivers/test_state.h" #include "test/drivers/utils.h" #include "usb_pd.h" #define BATTERY_ORD DT_DEP_ORD(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_binding(DT_LABEL(DT_NODELABEL(tcpci_emul))); test_fixture.charger_emul = emul_get_binding(DT_LABEL(DT_NODELABEL(isl923x_emul))); /* 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) { struct i2c_emul *i2c_emul = sbat_emul_get_ptr(BATTERY_ORD); uint16_t battery_status; zassume_ok(sbat_emul_get_word_val(i2c_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) { struct i2c_emul *i2c_emul = sbat_emul_get_ptr(BATTERY_ORD); uint16_t battery_status; disconnect_charger_from_port(this); zassert_ok(sbat_emul_get_word_val(i2c_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(this); 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(this); 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(this); 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); }