diff options
Diffstat (limited to 'common/usbc/usb_pd_host.c')
| -rw-r--r-- | common/usbc/usb_pd_host.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/common/usbc/usb_pd_host.c b/common/usbc/usb_pd_host.c deleted file mode 100644 index 4d0fadeec3..0000000000 --- a/common/usbc/usb_pd_host.c +++ /dev/null @@ -1,179 +0,0 @@ -/* Copyright 2020 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. - * - * Host commands for TCPMv2 USB PD module - */ - -#include <string.h> - -#include "console.h" -#include "ec_commands.h" -#include "host_command.h" -#include "usb_mux.h" -#include "usb_pd.h" -#include "usb_pd_tcpm.h" -#include "util.h" - -#define CPRINTF(format, args...) cprintf(CC_USBPD, format, ## args) -#define CPRINTS(format, args...) cprints(CC_USBPD, format, ## args) - -/* Retrieve all discovery results for the given port and transmit type */ -static enum ec_status hc_typec_discovery(struct host_cmd_handler_args *args) -{ - const struct ec_params_typec_discovery *p = args->params; - struct ec_response_typec_discovery *r = args->response; - const struct pd_discovery *disc; - enum tcpci_msg_type type; - - /* Confirm the number of HC VDOs matches our stored VDOs */ - BUILD_ASSERT(sizeof(r->discovery_vdo) == sizeof(union disc_ident_ack)); - - if (p->port >= board_get_usb_pd_port_count()) - return EC_RES_INVALID_PARAM; - - if (p->partner_type > TYPEC_PARTNER_SOP_PRIME) - return EC_RES_INVALID_PARAM; - - type = p->partner_type == TYPEC_PARTNER_SOP ? - TCPCI_MSG_SOP : TCPCI_MSG_SOP_PRIME; - - /* - * Clear out access mask so we can track if tasks have touched data - * since read started. - */ - pd_discovery_access_clear(p->port, type); - - disc = pd_get_am_discovery_and_notify_access(p->port, type); - - /* Initialize return size to that of discovery with no SVIDs */ - args->response_size = sizeof(*r); - - if (pd_get_identity_discovery(p->port, type) == PD_DISC_COMPLETE) { - r->identity_count = disc->identity_cnt; - memcpy(r->discovery_vdo, - pd_get_identity_response(p->port, type)->raw_value, - sizeof(r->discovery_vdo)); - } else { - r->identity_count = 0; - return EC_RES_SUCCESS; - } - - if (pd_get_modes_discovery(p->port, type) == PD_DISC_COMPLETE) { - int svid_i; - int max_resp_svids = (args->response_max - args->response_size)/ - sizeof(struct svid_mode_info); - - if (disc->svid_cnt > max_resp_svids) { - CPRINTS("Warn: SVIDS exceeded HC response"); - r->svid_count = max_resp_svids; - } else { - r->svid_count = disc->svid_cnt; - } - - for (svid_i = 0; svid_i < r->svid_count; svid_i++) { - r->svids[svid_i].svid = disc->svids[svid_i].svid; - r->svids[svid_i].mode_count = - disc->svids[svid_i].mode_cnt; - memcpy(r->svids[svid_i].mode_vdo, - disc->svids[svid_i].mode_vdo, - sizeof(r->svids[svid_i].mode_vdo)); - args->response_size += sizeof(struct svid_mode_info); - } - } else { - r->svid_count = 0; - } - - /* - * Verify that another task did not access this data during the duration - * of the copy. If the data was accessed, return BUSY so the AP will - * try retrieving again and get the updated data. - */ - if (!pd_discovery_access_validate(p->port, type)) { - CPRINTS("[C%d] %s returns EC_RES_BUSY!!\n", p->port, __func__); - return EC_RES_BUSY; - } - - return EC_RES_SUCCESS; -} -DECLARE_HOST_COMMAND(EC_CMD_TYPEC_DISCOVERY, - hc_typec_discovery, - EC_VER_MASK(0)); - -static enum ec_status hc_typec_control(struct host_cmd_handler_args *args) -{ - const struct ec_params_typec_control *p = args->params; - - if (p->port >= board_get_usb_pd_port_count()) - return EC_RES_INVALID_PARAM; - - switch (p->command) { - case TYPEC_CONTROL_COMMAND_EXIT_MODES: - pd_dpm_request(p->port, DPM_REQUEST_EXIT_MODES); - break; - case TYPEC_CONTROL_COMMAND_CLEAR_EVENTS: - pd_clear_events(p->port, p->clear_events_mask); - break; - case TYPEC_CONTROL_COMMAND_ENTER_MODE: - return pd_request_enter_mode(p->port, p->mode_to_enter); - default: - return EC_RES_INVALID_PARAM; - } - - - return EC_RES_SUCCESS; -} -DECLARE_HOST_COMMAND(EC_CMD_TYPEC_CONTROL, hc_typec_control, EC_VER_MASK(0)); - -static enum ec_status hc_typec_status(struct host_cmd_handler_args *args) -{ - const struct ec_params_typec_status *p = args->params; - struct ec_response_typec_status *r = args->response; - const char *tc_state_name; - - if (p->port >= board_get_usb_pd_port_count()) - return EC_RES_INVALID_PARAM; - - if (args->response_max < sizeof(*r)) - return EC_RES_RESPONSE_TOO_BIG; - - args->response_size = sizeof(*r); - - r->pd_enabled = pd_comm_is_enabled(p->port); - r->dev_connected = pd_is_connected(p->port); - r->sop_connected = pd_capable(p->port); - - r->power_role = pd_get_power_role(p->port); - r->data_role = pd_get_data_role(p->port); - r->vconn_role = pd_get_vconn_state(p->port) ? PD_ROLE_VCONN_SRC : - PD_ROLE_VCONN_OFF; - r->polarity = pd_get_polarity(p->port); - r->cc_state = pd_get_task_cc_state(p->port); - r->dp_pin = get_dp_pin_mode(p->port); - r->mux_state = usb_mux_get(p->port); - - tc_state_name = pd_get_task_state_name(p->port); - strzcpy(r->tc_state, tc_state_name, sizeof(r->tc_state)); - - r->events = pd_get_events(p->port); - - r->sop_revision = r->sop_connected ? - PD_STATUS_REV_SET_MAJOR(pd_get_rev(p->port, TCPCI_MSG_SOP)) : 0; - r->sop_prime_revision = - pd_get_identity_discovery(p->port, TCPCI_MSG_SOP_PRIME) == - PD_DISC_COMPLETE ? - PD_STATUS_REV_SET_MAJOR(pd_get_rev(p->port, - TCPCI_MSG_SOP_PRIME)) - : 0; - - r->source_cap_count = pd_get_src_cap_cnt(p->port); - memcpy(r->source_cap_pdos, pd_get_src_caps(p->port), - r->source_cap_count * sizeof(uint32_t)); - - r->sink_cap_count = pd_get_snk_cap_cnt(p->port); - memcpy(r->sink_cap_pdos, pd_get_snk_caps(p->port), - r->sink_cap_count * sizeof(uint32_t)); - - return EC_RES_SUCCESS; -} -DECLARE_HOST_COMMAND(EC_CMD_TYPEC_STATUS, hc_typec_status, EC_VER_MASK(0)); |