diff options
Diffstat (limited to 'zephyr/test/drivers/usbc_usb4_mode/src/usbc_usb4_mode.c')
| -rw-r--r-- | zephyr/test/drivers/usbc_usb4_mode/src/usbc_usb4_mode.c | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/zephyr/test/drivers/usbc_usb4_mode/src/usbc_usb4_mode.c b/zephyr/test/drivers/usbc_usb4_mode/src/usbc_usb4_mode.c deleted file mode 100644 index 536f41577e..0000000000 --- a/zephyr/test/drivers/usbc_usb4_mode/src/usbc_usb4_mode.c +++ /dev/null @@ -1,269 +0,0 @@ -/* 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 "ec_commands.h" -#include "ec_tasks.h" -#include "emul/tcpc/emul_tcpci.h" -#include "emul/tcpc/emul_tcpci_partner_snk.h" -#include "host_command.h" -#include "test/drivers/stubs.h" -#include "tcpm/tcpci.h" -#include "test/drivers/utils.h" -#include "test/drivers/test_state.h" -#include "usb_pd_vdo.h" - -#include <zephyr/kernel.h> -#include <zephyr/sys/byteorder.h> -#include <zephyr/ztest.h> - -#include <stdint.h> - -#define TEST_PORT USBC_PORT_C0 -/* Remove polarity for any mux checks */ -#define USB_MUX_CHECK_MASK ~USB_PD_MUX_POLARITY_INVERTED - -struct usbc_usb4_mode_fixture { - const struct emul *tcpci_emul; - const struct emul *charger_emul; - struct tcpci_partner_data partner; - struct tcpci_snk_emul_data snk_ext; -}; - -/* Passive USB4 cable */ -struct tcpci_cable_data passive_usb4 = { - .identity_vdm[VDO_INDEX_HDR] = - VDO(USB_SID_PD, /* structured VDM */ true, - VDO_CMDT(CMDT_RSP_ACK) | CMD_DISCOVER_IDENT), - .identity_vdm[VDO_INDEX_IDH] = VDO_IDH( - /* USB host */ false, /* USB device */ false, IDH_PTYPE_PCABLE, - /* modal operation */ false, USB_VID_GOOGLE), - .identity_vdm[VDO_INDEX_CSTAT] = 0, - .identity_vdm[VDO_INDEX_PRODUCT] = VDO_PRODUCT(0x1234, 0xABCD), - .identity_vdm[VDO_INDEX_PTYPE_CABLE1] = - VDO_REV30_PASSIVE(USB_R30_SS_U40_GEN3, USB_VBUS_CUR_3A, - USB_REV30_LATENCY_1m, USB_REV30_TYPE_C), - .identity_vdos = VDO_INDEX_PTYPE_CABLE1 + 1, - -}; - -static void add_sop_vdm_responses(struct tcpci_partner_data *partner) -{ - /* Add Discover Identity response */ - partner->identity_vdm[VDO_INDEX_HDR] = - VDO(USB_SID_PD, /* structured VDM */ true, - VDO_CMDT(CMDT_RSP_ACK) | CMD_DISCOVER_IDENT); - partner->identity_vdm[VDO_INDEX_IDH] = VDO_IDH_REV30( - /* USB host */ false, /* USB device */ true, - /* ptype_u */ IDH_PTYPE_HUB, /* modal */ false, - /* ptype_d */ IDH_PTYPE_UNDEF, /* ctype */ USB_TYPEC_RECEPTACLE, - USB_VID_GOOGLE); - partner->identity_vdm[VDO_INDEX_CSTAT] = 0; - partner->identity_vdm[VDO_INDEX_PRODUCT] = VDO_PRODUCT(0x1234, 0x5678); - partner->identity_vdm[VDO_INDEX_PTYPE_UFP1_VDO] = VDO_UFP1( - /* capability */ (VDO_UFP1_CAPABILITY_USB20 | - VDO_UFP1_CAPABILITY_USB32 | - VDO_UFP1_CAPABILITY_USB4), - /* ctype */ USB_TYPEC_RECEPTACLE, - /* alt modes */ VDO_UFP1_ALT_MODE_TBT3, - /* speed */ USB_R30_SS_U40_GEN3); - partner->identity_vdm[VDO_INDEX_PTYPE_UFP2_VDO] = 0; - partner->identity_vdos = VDO_INDEX_PTYPE_UFP2_VDO + 1; - - /* Add Discover SVIDs response */ - /* - * TODO(b/260095516): USB4 entry does not depend on the contents of - * Discover SVIDs, but a valid Discover SVID response needs to to exist - * to ensure that discovery completes as that's a dependency in the DPM - * module to attempt either Enter_USB or DATA_RESET. - */ - partner->svids_vdm[VDO_INDEX_HDR] = - VDO(USB_SID_PD, /* structured VDM */ true, - VDO_CMDT(CMDT_RSP_ACK) | CMD_DISCOVER_SVID); - partner->svids_vdm[VDO_INDEX_HDR + 1] = VDO_SVID(USB_VID_INTEL, 0); - partner->svids_vdos = VDO_INDEX_HDR + 2; - - /* Add Discover Modes response */ - /* - * TODO(b/260095516): USB4 entry does not depend on the contents of - * Discover Modes, but a valid Discover Modes response needs to to exist - * to ensure that discovery completes as that's a dependency in the DPM - * module to attempt either Enter_USB or DATA_RESET. - */ - /* Support one mode for TBT (Intel) VID */ - partner->modes_vdm[VDO_INDEX_HDR] = - VDO(USB_VID_INTEL, /* structured VDM */ true, - VDO_CMDT(CMDT_RSP_ACK) | CMD_DISCOVER_MODES); - partner->modes_vdm[VDO_INDEX_HDR + 1] = TBT_ALTERNATE_MODE; - partner->modes_vdos = VDO_INDEX_HDR + 2; -} - -static void verify_cable_found(struct tcpci_cable_data *cable) -{ - uint8_t response_buffer[EC_LPC_HOST_PACKET_SIZE]; - struct ec_response_typec_discovery *discovery = - (struct ec_response_typec_discovery *)response_buffer; - - host_cmd_typec_discovery(TEST_PORT, TYPEC_PARTNER_SOP_PRIME, - response_buffer, sizeof(response_buffer)); - - /* The host command does not count the VDM header in identity_count. */ - zassert_equal(discovery->identity_count, cable->identity_vdos - 1, - "Expected %d identity VDOs, got %d", - cable->identity_vdos - 1, discovery->identity_count); - zassert_mem_equal(discovery->discovery_vdo, cable->identity_vdm + 1, - discovery->identity_count * - sizeof(*discovery->discovery_vdo), - "Discovered SOP' identity ACK did not match"); -} - -static void *usbc_usb4_mode_setup(void) -{ - static struct usbc_usb4_mode_fixture fixture; - struct tcpci_partner_data *partner = &fixture.partner; - struct tcpci_snk_emul_data *snk_ext = &fixture.snk_ext; - - tcpci_partner_init(partner, PD_REV30); - partner->extensions = tcpci_snk_emul_init(snk_ext, partner, NULL); - - /* Get references for the emulators */ - fixture.tcpci_emul = EMUL_DT_GET(DT_NODELABEL(tcpci_emul)); - fixture.charger_emul = EMUL_DT_GET(DT_NODELABEL(isl923x_emul)); - - add_sop_vdm_responses(partner); - /* Note: cable behavior will vary by test case */ - - return &fixture; -} - -static void usbc_usb4_mode_before(void *data) -{ - struct usbc_usb4_mode_fixture *fix = data; - - /* Set chipset to ON, this will set TCPM to DRP */ - test_set_chipset_to_s0(); - - /* TODO(b/214401892): Check why need to give TCPM time to spin */ - k_sleep(K_SECONDS(1)); - - /* Enable message logging after TCPM spin */ - tcpci_partner_common_enable_pd_logging(&fix->partner, true); - - /* Initialize parter port Enter_USB msg accept/reject state */ - fix->partner.enter_usb_accept = false; -} - -static void usbc_usb4_mode_after(void *data) -{ - struct usbc_usb4_mode_fixture *fix = data; - - disconnect_sink_from_port(fix->tcpci_emul); - tcpci_partner_common_enable_pd_logging(&fix->partner, false); - tcpci_partner_common_clear_logged_msgs(&fix->partner); -} - -ZTEST_F(usbc_usb4_mode, verify_discovery) -{ - uint8_t response_buffer[EC_LPC_HOST_PACKET_SIZE]; - struct ec_response_typec_discovery *discovery = - (struct ec_response_typec_discovery *)response_buffer; - - connect_sink_to_port(&fixture->partner, fixture->tcpci_emul, - fixture->charger_emul); - - host_cmd_typec_discovery(TEST_PORT, TYPEC_PARTNER_SOP, response_buffer, - sizeof(response_buffer)); - - /* The host command does not count the VDM header in identity_count. */ - zassert_equal(discovery->identity_count, - fixture->partner.identity_vdos - 1, - "Expected %d identity VDOs, got %d", - fixture->partner.identity_vdos - 1, - discovery->identity_count); - zassert_mem_equal( - discovery->discovery_vdo, fixture->partner.identity_vdm + 1, - discovery->identity_count * sizeof(*discovery->discovery_vdo), - "Discovered SOP identity ACK did not match"); -} - -/* Without an e-marked cable, USB4 mode cannot be entered */ -ZTEST_F(usbc_usb4_mode, verify_usb4_entry_fail) -{ - struct ec_response_typec_status status; - - fixture->partner.cable = NULL; - connect_sink_to_port(&fixture->partner, fixture->tcpci_emul, - fixture->charger_emul); - - status = host_cmd_typec_status(TEST_PORT); - zassert_equal((status.mux_state & USB_MUX_CHECK_MASK), - USB_PD_MUX_USB_ENABLED, "Unexpected starting mux: 0x%02x", - status.mux_state); - - host_cmd_typec_control_enter_mode(TEST_PORT, TYPEC_MODE_USB4); - k_sleep(K_SECONDS(1)); - - /* - * TODO(b/260095516): Notify the AP that the enter mode request - * failed. - */ - - status = host_cmd_typec_status(TEST_PORT); - zassert_equal((status.mux_state & USB_MUX_CHECK_MASK), - USB_PD_MUX_USB_ENABLED, "Failed to see USB still set"); - zassert_not_equal((status.mux_state & USB_MUX_CHECK_MASK), - USB_PD_MUX_USB4_ENABLED, "Unexpected USB4 mode set"); -} - -/* With passive e-marked cable, USB4 mode can be entered on SOP only */ -ZTEST_F(usbc_usb4_mode, verify_usb4_passive_entry_exit) -{ - struct ec_response_typec_status status; - - fixture->partner.cable = &passive_usb4; - connect_sink_to_port(&fixture->partner, fixture->tcpci_emul, - fixture->charger_emul); - - /* Instruct partner port to accept Enter_USB message */ - fixture->partner.enter_usb_accept = true; - - /* Verify that we properly identify a USB4 capable passive cable */ - verify_cable_found(fixture->partner.cable); - - status = host_cmd_typec_status(TEST_PORT); - zassert_equal((status.mux_state & USB_MUX_CHECK_MASK), - USB_PD_MUX_USB_ENABLED, "Unexpected starting mux: 0x%02x", - status.mux_state); - - host_cmd_typec_control_enter_mode(TEST_PORT, TYPEC_MODE_USB4); - k_sleep(K_SECONDS(2)); - - /* - * TODO(b/260095516): Notify the AP that the enter mode request - * succeeded. - */ - - /* Verify we entered USB4 mode */ - status = host_cmd_typec_status(TEST_PORT); - zassert_equal((status.mux_state & USB_MUX_CHECK_MASK), - USB_PD_MUX_USB4_ENABLED, "Failed to see USB4 set"); - - /* Exit modes now */ - host_cmd_typec_control_exit_modes(TEST_PORT); - k_sleep(K_SECONDS(1)); - - /* Verify that USB4 mode was exited by checking current mux state. */ - status = host_cmd_typec_status(TEST_PORT); - zassert_equal((status.mux_state & USB_MUX_CHECK_MASK), - USB_PD_MUX_USB_ENABLED, "Failed to see USB set"); -} - -/* - * TODO(b/260095516): This test suite is only testing the default good case, and - * one error case where the cable doesn't support USB4. This suite needs to be - * expanded to cover cases where the port partner rejects Enter_USB along with - * active cable cases. - */ -ZTEST_SUITE(usbc_usb4_mode, drivers_predicate_post_main, usbc_usb4_mode_setup, - usbc_usb4_mode_before, usbc_usb4_mode_after, NULL); |