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/* 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.
*/
/* Shared USB-C policy for Rex boards */
#include <zephyr/drivers/gpio.h>
#include "charge_manager.h"
#include "chipset.h"
#include "common.h"
#include "compile_time_macros.h"
#include "console.h"
#include "ec_commands.h"
#include "ioexpander.h"
#include "system.h"
#include "usb_mux.h"
#include "usb_pd.h"
#include "usbc_ppc.h"
#include "util.h"
int pd_check_vconn_swap(int port)
{
/* Allow VCONN swaps if the AP is on. */
return chipset_in_state(CHIPSET_STATE_ANY_SUSPEND | CHIPSET_STATE_ON);
}
void pd_power_supply_reset(int port)
{
/* Disable VBUS. */
ppc_vbus_source_enable(port, 0);
/* Enable discharge if we were previously sourcing 5V */
if (IS_ENABLED(CONFIG_USB_PD_DISCHARGE))
pd_set_vbus_discharge(port, 1);
/* Notify host of power info change. */
pd_send_host_event(PD_EVENT_POWER_CHANGE);
}
int pd_set_power_supply_ready(int port)
{
int rv;
/* Disable charging. */
rv = ppc_vbus_sink_enable(port, 0);
if (rv)
return rv;
if (IS_ENABLED(CONFIG_USB_PD_DISCHARGE)) {
pd_set_vbus_discharge(port, 0);
}
/* Provide Vbus. */
rv = ppc_vbus_source_enable(port, 1);
if (rv) {
return rv;
}
/* Notify host of power info change. */
pd_send_host_event(PD_EVENT_POWER_CHANGE);
return EC_SUCCESS;
}
/* Used by Vbus discharge common code with CONFIG_USB_PD_DISCHARGE */
int board_vbus_source_enabled(int port)
{
return tcpm_get_src_ctrl(port);
}
/* Used by USB charger task with CONFIG_USB_PD_5V_EN_CUSTOM */
int board_is_sourcing_vbus(int port)
{
return board_vbus_source_enabled(port);
}
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