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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 "charge_manager.h"
#include "compile_time_macros.h"
#include "console.h"
#include "gpio.h"
#include "stddef.h"
#include "system.h"
#include "usb_mux.h"
#include "usb_pd_tcpm.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 */
board_charging_enable(port, 0);
/* Provide VBUS */
board_vbus_enable(port, 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 */
board_vbus_enable(port, 0);
/* notify host of power info change */
pd_send_host_event(PD_EVENT_POWER_CHANGE);
}
int pd_check_vconn_swap(int port)
{
/* in G3, do not allow vconn swap since pp5000_A rail is off */
/* TODO: return gpio_get_level(GPIO_PMIC_EN); */
return 1;
}
/* ----------------- Vendor Defined Messages ------------------ */
#ifdef CONFIG_USB_PD_ALT_MODE_DFP
static void svdm_dp_post_config(int port)
{
dp_flags[port] |= DP_FLAGS_DP_ON;
if (!(dp_flags[port] & DP_FLAGS_HPD_HI_PENDING))
return;
/* TODO: Update HPD to host */
}
static int svdm_dp_attention(int port, uint32_t *payload)
{
int lvl = PD_VDO_DPSTS_HPD_LVL(payload[1]);
/* TODO: Read HPD IRQ */
dp_status[port] = payload[1];
if (!(dp_flags[port] & DP_FLAGS_DP_ON)) {
if (lvl)
dp_flags[port] |= DP_FLAGS_HPD_HI_PENDING;
return 1;
}
/* TODO: Update HPD to host */
/* ack */
return 1;
}
#endif /* CONFIG_USB_PD_ALT_MODE_DFP */
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