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/* Copyright 2021 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "charge_manager.h"
#include "chipset.h"
#include "gpio.h"
#include "timer.h"
#include "usb_dp_alt_mode.h"
#include "usb_mux.h"
#include "usb_pd.h"
#include "usbc_ppc.h"
#if CONFIG_USB_PD_3A_PORTS != 1
#error Goroh reference must have at least one 3.0 A port
#endif
#define CPRINTS(format, args...) cprints(CC_USBPD, format, ##args)
#define CPRINTF(format, args...) cprintf(CC_USBPD, format, ##args)
void svdm_set_hpd_gpio(int port, int en)
{
if (port == 0) {
gpio_set_level(GPIO_USB_C0_HPD_3V3, en);
} else if (port == 1) {
gpio_set_level(GPIO_USB_C1_HPD_3V3, en);
gpio_set_level(GPIO_USB_C1_HPD_IN, en);
}
}
int svdm_get_hpd_gpio(int port)
{
if (port == 0)
return gpio_get_level(GPIO_USB_C0_HPD_3V3);
else
return gpio_get_level(GPIO_USB_C1_HPD_3V3);
}
int pd_snk_is_vbus_provided(int port)
{
return ppc_is_vbus_present(port);
}
void pd_power_supply_reset(int port)
{
int prev_en;
prev_en = ppc_is_sourcing_vbus(port);
/* Disable VBUS. */
ppc_vbus_source_enable(port, 0);
/* Enable discharge if we were previously sourcing 5V */
if (prev_en)
pd_set_vbus_discharge(port, 1);
/* Notify host of power info change. */
pd_send_host_event(PD_EVENT_POWER_CHANGE);
}
int pd_check_vconn_swap(int port)
{
/* Allow Vconn swap if AP is on. */
return chipset_in_state(CHIPSET_STATE_SUSPEND | CHIPSET_STATE_ON);
}
int pd_set_power_supply_ready(int port)
{
int rv;
/* Disable charging. */
rv = ppc_vbus_sink_enable(port, 0);
if (rv)
return rv;
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;
}
int board_vbus_source_enabled(int port)
{
return ppc_is_sourcing_vbus(port);
}
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