diff options
Diffstat (limited to 'zephyr/test/drivers/default/src/integration/usbc/usb_5v_3a_pd_sink.c')
| -rw-r--r-- | zephyr/test/drivers/default/src/integration/usbc/usb_5v_3a_pd_sink.c | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/zephyr/test/drivers/default/src/integration/usbc/usb_5v_3a_pd_sink.c b/zephyr/test/drivers/default/src/integration/usbc/usb_5v_3a_pd_sink.c new file mode 100644 index 0000000000..5654754838 --- /dev/null +++ b/zephyr/test/drivers/default/src/integration/usbc/usb_5v_3a_pd_sink.c @@ -0,0 +1,255 @@ +/* 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 <stdint.h> +#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_snk.h" +#include "tcpm/tcpci.h" +#include "test/drivers/test_state.h" +#include "test/drivers/utils.h" +#include "timer.h" +#include "usb_pd.h" + +struct usb_attach_5v_3a_pd_sink_fixture { + struct tcpci_partner_data sink_5v_3a; + struct tcpci_snk_emul_data snk_ext; + const struct emul *tcpci_emul; + const struct emul *charger_emul; +}; + +/* Chromebooks only charge PD partners at 5v */ +#define TEST_SRC_PORT_VBUS_MV 5000 +#define TEST_SRC_PORT_TARGET_MA 3000 + +#define TEST_INITIAL_SINK_CAP \ + PDO_FIXED(TEST_SRC_PORT_VBUS_MV, TEST_SRC_PORT_TARGET_MA, 0) +/* Only used to verify sink capabilities being received by SRC port */ +#define TEST_ADDITIONAL_SINK_CAP PDO_FIXED(TEST_SRC_PORT_VBUS_MV, 5000, 0) + +static void *usb_attach_5v_3a_pd_sink_setup(void) +{ + static struct usb_attach_5v_3a_pd_sink_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); + + return &test_fixture; +} + +static void usb_attach_5v_3a_pd_sink_before(void *data) +{ + struct usb_attach_5v_3a_pd_sink_fixture *test_fixture = data; + + /* Set chipset to ON, this will set TCPM to DRP */ + test_set_chipset_to_s0(); + + /* TODO(b/214401892): Check why need to give time TCPM to spin */ + k_sleep(K_SECONDS(1)); + + /* Initialized the sink to request 5V and 3A */ + tcpci_partner_init(&test_fixture->sink_5v_3a, PD_REV20); + test_fixture->sink_5v_3a.extensions = tcpci_snk_emul_init( + &test_fixture->snk_ext, &test_fixture->sink_5v_3a, NULL); + test_fixture->snk_ext.pdo[0] = TEST_INITIAL_SINK_CAP; + test_fixture->snk_ext.pdo[1] = TEST_ADDITIONAL_SINK_CAP; + connect_sink_to_port(&test_fixture->sink_5v_3a, + test_fixture->tcpci_emul, + test_fixture->charger_emul); +} + +static void usb_attach_5v_3a_pd_sink_after(void *data) +{ + struct usb_attach_5v_3a_pd_sink_fixture *test_fixture = data; + + disconnect_sink_from_port(test_fixture->tcpci_emul); +} + +ZTEST_SUITE(usb_attach_5v_3a_pd_sink, drivers_predicate_post_main, + usb_attach_5v_3a_pd_sink_setup, usb_attach_5v_3a_pd_sink_before, + usb_attach_5v_3a_pd_sink_after, NULL); + +ZTEST_F(usb_attach_5v_3a_pd_sink, test_partner_pd_completed) +{ + zassert_true(fixture->snk_ext.pd_completed, NULL); +} + +ZTEST(usb_attach_5v_3a_pd_sink, test_battery_is_discharging) +{ + const struct emul *emul = EMUL_DT_GET(DT_NODELABEL(battery)); + uint16_t battery_status; + + zassume_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(usb_attach_5v_3a_pd_sink, 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.sink_cap_count, 2, + "Expected 2 sink PDOs, but got %d", + status.sink_cap_count); + zassert_equal(status.power_role, PD_ROLE_SOURCE, + "Expected power role to be %d, but got %d", + PD_ROLE_SOURCE, status.power_role); +} + +ZTEST(usb_attach_5v_3a_pd_sink, test_power_info) +{ + struct ec_response_usb_pd_power_info info = host_cmd_power_info(0); + + zassert_equal(info.role, USB_PD_PORT_POWER_SOURCE, + "Expected role to be %d, but got %d", + USB_PD_PORT_POWER_SOURCE, info.role); + zassert_equal(info.type, USB_CHG_TYPE_NONE, + "Expected type to be %d, but got %d", USB_CHG_TYPE_NONE, + info.type); + zassert_equal(info.meas.voltage_max, 0, + "Expected charge voltage max of 0mV, but got %dmV", + info.meas.voltage_max); + zassert_within( + info.meas.voltage_now, TEST_SRC_PORT_VBUS_MV, 500, + "Charging voltage expected to be near 5000mV, but was %dmV", + info.meas.voltage_now); + zassert_equal(info.meas.current_max, TEST_SRC_PORT_TARGET_MA, + "Current max expected to be 1500mV, but was %dmV", + info.meas.current_max); + zassert_equal(info.meas.current_lim, 0, + "VBUS max is set to 0mA, but PD is reporting %dmA", + info.meas.current_lim); + zassert_equal(info.max_power, 0, + "Charging expected to be at %duW, but PD max is %duW", 0, + info.max_power); +} + +ZTEST_F(usb_attach_5v_3a_pd_sink, test_disconnect_battery_discharging) +{ + const struct emul *emul = EMUL_DT_GET(DT_NODELABEL(battery)); + uint16_t battery_status; + + disconnect_sink_from_port(fixture->tcpci_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_sink, test_disconnect_charge_state) +{ + struct ec_response_charge_state charge_state; + + disconnect_sink_from_port(fixture->tcpci_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_sink, test_disconnect_typec_status) +{ + struct ec_response_typec_status typec_status; + + disconnect_sink_from_port(fixture->tcpci_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_sink, test_disconnect_power_info) +{ + struct ec_response_usb_pd_power_info power_info; + + disconnect_sink_from_port(fixture->tcpci_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); +} + +/** + * @brief TestPurpose: Verify GotoMin message. + * + * @details + * - TCPM is configured initially as Source + * - Initiate Goto_Min request + * - Verify emulated sink PD negotiation is completed + * + * Expected Results + * - Sink completes Goto Min PD negotiation + */ +ZTEST_F(usb_attach_5v_3a_pd_sink, verify_goto_min) +{ + pd_dpm_request(0, DPM_REQUEST_GOTO_MIN); + k_sleep(K_SECONDS(1)); + + zassert_true(fixture->snk_ext.pd_completed, NULL); +} + +/** + * @brief TestPurpose: Verify Ping message. + * + * @details + * - TCPM is configured initially as Source + * - Initiate Ping request + * - Verify emulated sink received ping message + * + * Expected Results + * - Sink received ping message + */ +ZTEST_F(usb_attach_5v_3a_pd_sink, verify_ping_msg) +{ + tcpci_snk_emul_clear_ping_received(&fixture->snk_ext); + + pd_dpm_request(0, DPM_REQUEST_SEND_PING); + k_sleep(K_USEC(PD_T_SOURCE_ACTIVITY)); + + zassert_true(fixture->snk_ext.ping_received, NULL); +} |