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/* Copyright 2017 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.
*/
#include "atomic.h"
#include "charge_manager.h"
#include "common.h"
#include "console.h"
#include "gpio.h"
#include "hooks.h"
#include "host_command.h"
#include "registers.h"
#include "system.h"
#include "task.h"
#include "timer.h"
#include "util.h"
#include "usb_mux.h"
#include "usb_pd.h"
#define CPRINTF(format, args...) cprintf(CC_USBPD, format, ## args)
#define CPRINTS(format, args...) cprints(CC_USBPD, format, ## args)
int pd_set_power_supply_ready(int port)
{
/* Disable charging */
gpio_set_level(port ? GPIO_USB_C1_CHARGE_EN_L :
GPIO_USB_C0_CHARGE_EN_L, 1);
/* Provide VBUS */
gpio_set_level(port ? GPIO_USB_C1_5V_EN :
GPIO_USB_C0_5V_EN, 1);
/* notify host of power info change */
pd_send_host_event(PD_EVENT_POWER_CHANGE);
return EC_SUCCESS; /* we are ready */
}
void pd_power_supply_reset(int port)
{
/* Disable VBUS */
gpio_set_level(port ? GPIO_USB_C1_5V_EN :
GPIO_USB_C0_5V_EN, 0);
/* notify host of power info change */
pd_send_host_event(PD_EVENT_POWER_CHANGE);
}
int pd_snk_is_vbus_provided(int port)
{
return !gpio_get_level(port ? GPIO_USB_C1_VBUS_WAKE_L :
GPIO_USB_C0_VBUS_WAKE_L);
}
int pd_check_vconn_swap(int port)
{
/* in G3, do not allow vconn swap since pp5000_A rail is off */
return gpio_get_level(GPIO_PMIC_SLP_SUS_L);
}
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