/* Copyright 2021 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 #include #include #include "common.h" #include "ec_tasks.h" #include "emul/emul_bb_retimer.h" #include "emul/emul_common_i2c.h" #include "hooks.h" #include "i2c.h" #include "stubs.h" #include "usb_prl_sm.h" #include "usb_tc_sm.h" #include "driver/retimer/bb_retimer.h" #define GPIO_USB_C1_LS_EN_PATH DT_PATH(named_gpios, usb_c1_ls_en) #define GPIO_USB_C1_LS_EN_PORT DT_GPIO_PIN(GPIO_USB_C1_LS_EN_PATH, gpios) #define GPIO_USB_C1_RT_RST_ODL_PATH DT_PATH(named_gpios, usb_c1_rt_rst_odl) #define GPIO_USB_C1_RT_RST_ODL_PORT \ DT_GPIO_PIN(GPIO_USB_C1_RT_RST_ODL_PATH, gpios) #define EMUL_LABEL DT_NODELABEL(usb_c1_bb_retimer_emul) #define BB_RETIMER_ORD DT_DEP_ORD(EMUL_LABEL) /** Test is retimer fw update capable function. */ static void test_bb_is_fw_update_capable(void) { /* BB retimer is fw update capable */ zassert_true(bb_usb_retimer.is_retimer_fw_update_capable(), NULL); } /** Test is retimer fw update capable function. */ static void test_bb_set_state(void) { struct pd_discovery *disc; uint32_t conn, exp_conn; struct i2c_emul *emul; bool ack_required; emul = bb_emul_get(BB_RETIMER_ORD); set_test_runner_tid(); /* Setup emulator fail on write */ i2c_common_emul_set_write_fail_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); /* Test fail on reset register write */ zassert_equal(EC_ERROR_INVAL, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_NONE, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); /* Do not fail on write */ i2c_common_emul_set_write_fail_reg(emul, I2C_COMMON_EMUL_NO_FAIL_REG); /* Set UFP role for whole test */ tc_set_data_role(USBC_PORT_C1, PD_ROLE_UFP); /* Test none mode */ bb_emul_set_reg(emul, BB_RETIMER_REG_CONNECTION_STATE, 0x12144678); zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_NONE, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); /* Only UFP mode is set */ exp_conn = BB_RETIMER_USB_DATA_ROLE; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); /* Test USB3 gen1 mode */ prl_set_rev(USBC_PORT_C1, TCPCI_MSG_SOP_PRIME, PD_REV10); zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_USB_ENABLED, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_USB_DATA_ROLE | BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_USB_3_CONNECTION; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); /* Test USB3 gen2 mode */ disc = pd_get_am_discovery_and_notify_access( USBC_PORT_C1, TCPCI_MSG_SOP_PRIME); disc->identity.product_t1.p_rev20.ss = USB_R20_SS_U31_GEN1_GEN2; prl_set_rev(USBC_PORT_C1, TCPCI_MSG_SOP_PRIME, PD_REV30); zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_USB_ENABLED, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_USB_DATA_ROLE | BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_USB_3_CONNECTION | BB_RETIMER_USB_3_SPEED; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); /* Test TBT mode */ zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_TBT_COMPAT_ENABLED, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_USB_DATA_ROLE | BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_TBT_CONNECTION; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); /* Test USB4 mode */ zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_USB4_ENABLED, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_USB_DATA_ROLE | BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_USB4_ENABLED; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); /* Test USB4 mode with polarity inverted */ zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_USB4_ENABLED | USB_PD_MUX_POLARITY_INVERTED, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_USB_DATA_ROLE | BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_CONNECTION_ORIENTATION | BB_RETIMER_USB4_ENABLED; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); /* Test DP mode */ zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_DP_ENABLED, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_USB_DATA_ROLE | BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_DP_CONNECTION; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_DP_ENABLED | USB_PD_MUX_HPD_IRQ, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_USB_DATA_ROLE | BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_DP_CONNECTION | BB_RETIMER_IRQ_HPD; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_DP_ENABLED | USB_PD_MUX_HPD_LVL, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_USB_DATA_ROLE | BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_DP_CONNECTION | BB_RETIMER_HPD_LVL; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); } /** Test setting different options for DFP role */ static void test_bb_set_dfp_state(void) { union tbt_mode_resp_device device_resp; union tbt_mode_resp_cable cable_resp; struct pd_discovery *disc, *dev_disc; uint32_t conn, exp_conn; struct i2c_emul *emul; bool ack_required; emul = bb_emul_get(BB_RETIMER_ORD); set_test_runner_tid(); tc_set_data_role(USBC_PORT_C1, PD_ROLE_DFP); /* Test PD mux none mode with DFP should clear all bits in state */ bb_emul_set_reg(emul, BB_RETIMER_REG_CONNECTION_STATE, 0x12144678); zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_NONE, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = 0; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); /* Set active cable type */ disc = pd_get_am_discovery_and_notify_access( USBC_PORT_C1, TCPCI_MSG_SOP_PRIME); disc->identity.idh.product_type = IDH_PTYPE_ACABLE; disc->identity.product_t2.a2_rev30.active_elem = ACTIVE_RETIMER; prl_set_rev(USBC_PORT_C1, TCPCI_MSG_SOP_PRIME, PD_REV30); /* Set cable VDO */ disc->svid_cnt = 1; disc->svids[0].svid = USB_VID_INTEL; disc->svids[0].discovery = PD_DISC_COMPLETE; disc->svids[0].mode_cnt = 1; cable_resp.tbt_alt_mode = TBT_ALTERNATE_MODE; cable_resp.tbt_cable_speed = TBT_SS_RES_0; cable_resp.tbt_rounded = TBT_GEN3_NON_ROUNDED; cable_resp.tbt_cable = TBT_CABLE_NON_OPTICAL; cable_resp.retimer_type = USB_NOT_RETIMER; cable_resp.lsrx_comm = BIDIR_LSRX_COMM; cable_resp.tbt_active_passive = TBT_CABLE_PASSIVE; disc->svids[0].mode_vdo[0] = cable_resp.raw_value; /* Set device VDO */ dev_disc = pd_get_am_discovery_and_notify_access( USBC_PORT_C1, TCPCI_MSG_SOP); dev_disc->svid_cnt = 1; dev_disc->svids[0].svid = USB_VID_INTEL; dev_disc->svids[0].discovery = PD_DISC_COMPLETE; dev_disc->svids[0].mode_cnt = 1; device_resp.tbt_alt_mode = TBT_ALTERNATE_MODE; device_resp.tbt_adapter = TBT_ADAPTER_TBT3; device_resp.intel_spec_b0 = VENDOR_SPECIFIC_NOT_SUPPORTED; device_resp.vendor_spec_b0 = VENDOR_SPECIFIC_NOT_SUPPORTED; device_resp.vendor_spec_b1 = VENDOR_SPECIFIC_NOT_SUPPORTED; dev_disc->svids[0].mode_vdo[0] = device_resp.raw_value; /* Test USB mode with active cable */ zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_USB_ENABLED, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_USB_3_CONNECTION | BB_RETIMER_USB_3_SPEED | BB_RETIMER_RE_TIMER_DRIVER | BB_RETIMER_ACTIVE_PASSIVE; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); /* Test TBT mode with active cable */ zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_TBT_COMPAT_ENABLED, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_TBT_CONNECTION | BB_RETIMER_ACTIVE_PASSIVE; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); /* Test TBT mode with retimer */ cable_resp.retimer_type = USB_RETIMER; disc->svids[0].mode_vdo[0] = cable_resp.raw_value; zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_TBT_COMPAT_ENABLED, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_TBT_CONNECTION | BB_RETIMER_RE_TIMER_DRIVER | BB_RETIMER_ACTIVE_PASSIVE; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); /* Test TBT mode with optical cable */ cable_resp.retimer_type = USB_NOT_RETIMER; cable_resp.tbt_cable = TBT_CABLE_OPTICAL; disc->svids[0].mode_vdo[0] = cable_resp.raw_value; zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_TBT_COMPAT_ENABLED, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_TBT_CONNECTION | BB_RETIMER_TBT_CABLE_TYPE | BB_RETIMER_ACTIVE_PASSIVE; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); /* Test TBT mode with active link training */ cable_resp.tbt_cable = TBT_CABLE_NON_OPTICAL; cable_resp.lsrx_comm = UNIDIR_LSRX_COMM; disc->svids[0].mode_vdo[0] = cable_resp.raw_value; zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_TBT_COMPAT_ENABLED, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_TBT_CONNECTION | BB_RETIMER_TBT_ACTIVE_LINK_TRAINING | BB_RETIMER_ACTIVE_PASSIVE; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); /* Test TBT mode with different cable speeds */ cable_resp.lsrx_comm = BIDIR_LSRX_COMM; cable_resp.tbt_cable_speed = TBT_SS_U31_GEN1; disc->svids[0].mode_vdo[0] = cable_resp.raw_value; zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_TBT_COMPAT_ENABLED, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_TBT_CONNECTION | BB_RETIMER_USB4_TBT_CABLE_SPEED_SUPPORT(1) | BB_RETIMER_ACTIVE_PASSIVE; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); cable_resp.tbt_cable_speed = TBT_SS_U32_GEN1_GEN2; disc->svids[0].mode_vdo[0] = cable_resp.raw_value; zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_TBT_COMPAT_ENABLED, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_TBT_CONNECTION | BB_RETIMER_USB4_TBT_CABLE_SPEED_SUPPORT(2) | BB_RETIMER_ACTIVE_PASSIVE; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); cable_resp.tbt_cable_speed = TBT_SS_TBT_GEN3; disc->svids[0].mode_vdo[0] = cable_resp.raw_value; zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_TBT_COMPAT_ENABLED, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_TBT_CONNECTION | BB_RETIMER_USB4_TBT_CABLE_SPEED_SUPPORT(3) | BB_RETIMER_ACTIVE_PASSIVE; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); /* Test TBT mode with TBT gen4 cable */ cable_resp.tbt_cable_speed = TBT_SS_RES_0; cable_resp.tbt_rounded = TBT_GEN3_GEN4_ROUNDED_NON_ROUNDED; disc->svids[0].mode_vdo[0] = cable_resp.raw_value; zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_TBT_COMPAT_ENABLED, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_TBT_CONNECTION | BB_RETIMER_TBT_CABLE_GENERATION(1) | BB_RETIMER_ACTIVE_PASSIVE; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); /* Test TBT mode with legacy TBT adapter */ cable_resp.tbt_rounded = TBT_GEN3_NON_ROUNDED; disc->svids[0].mode_vdo[0] = cable_resp.raw_value; device_resp.tbt_adapter = TBT_ADAPTER_TBT2_LEGACY; dev_disc->svids[0].mode_vdo[0] = device_resp.raw_value; zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_TBT_COMPAT_ENABLED, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_TBT_CONNECTION | BB_RETIMER_TBT_TYPE | BB_RETIMER_ACTIVE_PASSIVE; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); /* Test TBT mode with Intel specific b0 */ device_resp.tbt_adapter = TBT_ADAPTER_TBT3; device_resp.intel_spec_b0 = VENDOR_SPECIFIC_SUPPORTED; dev_disc->svids[0].mode_vdo[0] = device_resp.raw_value; zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_TBT_COMPAT_ENABLED, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_TBT_CONNECTION | BB_RETIMER_VPRO_DOCK_DP_OVERDRIVE | BB_RETIMER_ACTIVE_PASSIVE; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); /* Test TBT mode with vendor specific b1 */ device_resp.intel_spec_b0 = VENDOR_SPECIFIC_NOT_SUPPORTED; device_resp.vendor_spec_b1 = VENDOR_SPECIFIC_SUPPORTED; dev_disc->svids[0].mode_vdo[0] = device_resp.raw_value; zassert_equal(EC_SUCCESS, bb_usb_retimer.set(&usb_muxes[USBC_PORT_C1], USB_PD_MUX_TBT_COMPAT_ENABLED, &ack_required), NULL); zassert_false(ack_required, "ACK is never required for BB retimer"); conn = bb_emul_get_reg(emul, BB_RETIMER_REG_CONNECTION_STATE); exp_conn = BB_RETIMER_DATA_CONNECTION_PRESENT | BB_RETIMER_TBT_CONNECTION | BB_RETIMER_VPRO_DOCK_DP_OVERDRIVE | BB_RETIMER_ACTIVE_PASSIVE; zassert_equal(exp_conn, conn, "Expected state 0x%lx, got 0x%lx", exp_conn, conn); } /** Test BB retimer init */ static void test_bb_init(void) { const struct device *gpio_dev = DEVICE_DT_GET(DT_GPIO_CTLR(GPIO_USB_C1_LS_EN_PATH, gpios)); struct i2c_emul *emul; zassert_not_null(gpio_dev, "Cannot get GPIO device"); emul = bb_emul_get(BB_RETIMER_ORD); /* Set AP to normal state and wait for chipset task */ set_mock_power_state(POWER_S0); k_msleep(1); /* Setup emulator fail on read */ i2c_common_emul_set_read_fail_reg(emul, BB_RETIMER_REG_VENDOR_ID); /* Test fail on vendor ID read */ zassert_equal(EC_ERROR_INVAL, bb_usb_retimer.init(&usb_muxes[USBC_PORT_C1]), NULL); /* Enable pins should be set always after init, when AP is on */ zassert_equal(1, gpio_emul_output_get(gpio_dev, GPIO_USB_C1_LS_EN_PORT), NULL); zassert_equal(1, gpio_emul_output_get(gpio_dev, GPIO_USB_C1_RT_RST_ODL_PORT), NULL); /* Setup wrong vendor ID */ i2c_common_emul_set_read_fail_reg(emul, I2C_COMMON_EMUL_NO_FAIL_REG); bb_emul_set_reg(emul, BB_RETIMER_REG_VENDOR_ID, 0x12144678); /* Test fail on wrong vendor ID */ zassert_equal(EC_ERROR_INVAL, bb_usb_retimer.init(&usb_muxes[USBC_PORT_C1]), NULL); zassert_equal(1, gpio_emul_output_get(gpio_dev, GPIO_USB_C1_LS_EN_PORT), NULL); zassert_equal(1, gpio_emul_output_get(gpio_dev, GPIO_USB_C1_RT_RST_ODL_PORT), NULL); /* Setup emulator fail on device ID read */ i2c_common_emul_set_read_fail_reg(emul, BB_RETIMER_REG_DEVICE_ID); bb_emul_set_reg(emul, BB_RETIMER_REG_VENDOR_ID, BB_RETIMER_VENDOR_ID_1); /* Test fail on device ID read */ zassert_equal(EC_ERROR_INVAL, bb_usb_retimer.init(&usb_muxes[USBC_PORT_C1]), NULL); zassert_equal(1, gpio_emul_output_get(gpio_dev, GPIO_USB_C1_LS_EN_PORT), NULL); zassert_equal(1, gpio_emul_output_get(gpio_dev, GPIO_USB_C1_RT_RST_ODL_PORT), NULL); /* Setup wrong device ID */ i2c_common_emul_set_read_fail_reg(emul, I2C_COMMON_EMUL_NO_FAIL_REG); bb_emul_set_reg(emul, BB_RETIMER_REG_DEVICE_ID, 0x12144678); /* Test fail on wrong device ID */ zassert_equal(EC_ERROR_INVAL, bb_usb_retimer.init(&usb_muxes[USBC_PORT_C1]), NULL); zassert_equal(1, gpio_emul_output_get(gpio_dev, GPIO_USB_C1_LS_EN_PORT), NULL); zassert_equal(1, gpio_emul_output_get(gpio_dev, GPIO_USB_C1_RT_RST_ODL_PORT), NULL); /* Test successful init */ bb_emul_set_reg(emul, BB_RETIMER_REG_DEVICE_ID, BB_RETIMER_DEVICE_ID); zassert_equal(EC_SUCCESS, bb_usb_retimer.init(&usb_muxes[USBC_PORT_C1]), NULL); zassert_equal(1, gpio_emul_output_get(gpio_dev, GPIO_USB_C1_LS_EN_PORT), NULL); zassert_equal(1, gpio_emul_output_get(gpio_dev, GPIO_USB_C1_RT_RST_ODL_PORT), NULL); /* Set AP to off state and wait for chipset task */ set_mock_power_state(POWER_G3); k_msleep(1); /* With AP off, init should fail and pins should be unset */ zassert_equal(EC_ERROR_NOT_POWERED, bb_usb_retimer.init(&usb_muxes[USBC_PORT_C1]), NULL); zassert_equal(0, gpio_emul_output_get(gpio_dev, GPIO_USB_C1_LS_EN_PORT), NULL); zassert_equal(0, gpio_emul_output_get(gpio_dev, GPIO_USB_C1_RT_RST_ODL_PORT), NULL); } void test_suite_bb_retimer(void) { ztest_test_suite(bb_retimer, ztest_user_unit_test(test_bb_is_fw_update_capable), ztest_user_unit_test(test_bb_set_state), ztest_user_unit_test(test_bb_set_dfp_state), ztest_user_unit_test(test_bb_init)); ztest_run_test_suite(bb_retimer); }