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/* Copyright 2016 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 "driver/tcpm/anx7688.h"
#include "driver/tcpm/tcpci.h"
#include "driver/tcpm/tcpm.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(GPIO_USB_C0_CHARGE_L, 1);
/* Provide VBUS */
gpio_set_level(GPIO_USB_C0_5V_EN, 1);
anx7688_set_power_supply_ready(port);
/* notify host of power info change */
pd_send_host_event(PD_EVENT_POWER_CHANGE);
return EC_SUCCESS;
}
void pd_power_supply_reset(int port)
{
/* Disable VBUS */
gpio_set_level(GPIO_USB_C0_5V_EN, 0);
anx7688_power_supply_reset(port);
/* 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 5V power source is off */
return gpio_get_level(GPIO_5V_POWER_GOOD);
}
/* ----------------- Vendor Defined Messages ------------------ */
#ifdef CONFIG_USB_PD_ALT_MODE_DFP
__override int svdm_dp_attention(int port, uint32_t *payload)
{
int cur_lvl;
int lvl = PD_VDO_DPSTS_HPD_LVL(payload[1]);
int irq = PD_VDO_DPSTS_HPD_IRQ(payload[1]);
int ack = 1;
anx7688_update_hpd(port, lvl, irq);
dp_status[port] = payload[1];
cur_lvl = gpio_get_level(GPIO_USB_DP_HPD);
/* Its initial DP status message prior to config */
if (!(dp_flags[port] & DP_FLAGS_DP_ON)) {
if (lvl)
dp_flags[port] |= DP_FLAGS_HPD_HI_PENDING;
return ack;
}
if (!(irq & cur_lvl) && irq & !cur_lvl) {
CPRINTF("ERR:HPD:IRQ&LOW\n");
ack = 0; /* nak */
}
/* ack */
return ack;
}
__override void svdm_exit_dp_mode(int port)
{
anx7688_hpd_disable(port);
}
#endif /* CONFIG_USB_PD_ALT_MODE_DFP */
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