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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.
*/
#include "console.h"
#include "gpio.h"
#include "intelrvp.h"
#include "usb_mux.h"
#include "usbc_ppc.h"
#define CPRINTF(format, args...) cprintf(CC_USBPD, format, ##args)
#define CPRINTS(format, args...) cprints(CC_USBPD, format, ##args)
static inline void board_pd_set_vbus_discharge(int port, bool enable)
{
if (tcpc_aic_gpios[port].ppc_intr_handler) {
ppc_discharge_vbus(port, enable);
} else {
tcpc_discharge_vbus(port, enable);
}
}
int pd_set_power_supply_ready(int port)
{
int rv;
/* Disable charging. */
if (tcpc_aic_gpios[port].ppc_intr_handler) {
rv = ppc_vbus_sink_enable(port, 0);
} else {
rv = tcpc_config[port].drv->set_snk_ctrl(port, 0);
}
if (rv) {
return rv;
}
board_pd_set_vbus_discharge(port, false);
/* Provide Vbus. */
if (tcpc_aic_gpios[port].ppc_intr_handler) {
rv = ppc_vbus_source_enable(port, 1);
} else {
tcpc_config[port].drv->set_src_ctrl(port, 1);
}
if (rv) {
return rv;
}
/* Notify host of power info change. */
pd_send_host_event(PD_EVENT_POWER_CHANGE);
return EC_SUCCESS;
}
void pd_power_supply_reset(int port)
{
int prev_en;
prev_en = board_vbus_source_enabled(port);
/* Disable VBUS. */
if (tcpc_aic_gpios[port].ppc_intr_handler) {
ppc_vbus_source_enable(port, 0);
} else {
tcpc_config[port].drv->set_src_ctrl(port, 0);
}
/* Enable discharge if we were previously sourcing 5V */
if (prev_en) {
board_pd_set_vbus_discharge(port, true);
}
/* Notify host of power info change. */
pd_send_host_event(PD_EVENT_POWER_CHANGE);
}
int pd_check_vconn_swap(int port)
{
/* Only allow vconn swap if PP3300 rail is enabled */
return gpio_get_level(GPIO_EN_PP3300_A);
}
int pd_snk_is_vbus_provided(int port)
{
if (tcpc_aic_gpios[port].ppc_intr_handler) {
return ppc_is_vbus_present(port);
} else {
return tcpc_config[port].drv->check_vbus_level(port,
VBUS_PRESENT);
}
}
int board_vbus_source_enabled(int port)
{
if (is_typec_port(port)) {
if (tcpc_aic_gpios[port].ppc_intr_handler) {
return ppc_is_sourcing_vbus(port);
} else {
return tcpc_config[port].drv->get_src_ctrl(port);
}
}
return 0;
}
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