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/* Copyright 2020 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.
*/
/* Intel-RVP family-specific configuration */
#include "console.h"
#include "hooks.h"
#include "tcpm/tcpci.h"
#include "system.h"
#define CPRINTF(format, args...) cprintf(CC_USBPD, format, ## args)
#define CPRINTS(format, args...) cprints(CC_USBPD, format, ## args)
/* Reset PD MCU */
void board_reset_pd_mcu(void)
{
/* Add code if TCPC chips need a reset */
}
int board_vbus_source_enabled(int port)
{
int src_en = 0;
/* Only Type-C ports can source VBUS */
if (is_typec_port(port)) {
src_en = gpio_get_level(tcpc_gpios[port].src.pin);
src_en = tcpc_gpios[port].src.pin_pol ? src_en : !src_en;
}
return src_en;
}
void board_set_vbus_source_current_limit(int port, enum tcpc_rp_value rp)
{
int ilim_en;
/* Only Type-C ports can source VBUS */
if (is_typec_port(port)) {
/* Enable SRC ILIM if rp is MAX single source current */
ilim_en = (rp == TYPEC_RP_3A0 &&
board_vbus_source_enabled(port));
gpio_set_level(tcpc_gpios[port].src_ilim.pin,
tcpc_gpios[port].src_ilim.pin_pol ?
ilim_en : !ilim_en);
}
}
void board_charging_enable(int port, int enable)
{
gpio_set_level(tcpc_gpios[port].snk.pin,
tcpc_gpios[port].snk.pin_pol ? enable : !enable);
}
void board_vbus_enable(int port, int enable)
{
gpio_set_level(tcpc_gpios[port].src.pin,
tcpc_gpios[port].src.pin_pol ? enable : !enable);
}
int pd_snk_is_vbus_provided(int port)
{
int vbus_intr;
#if CONFIG_DEDICATED_CHARGE_PORT_COUNT > 0
if (port == DEDICATED_CHARGE_PORT)
return 1;
#endif
vbus_intr = gpio_get_level(tcpc_gpios[port].vbus.pin);
return tcpc_gpios[port].vbus.pin_pol ? vbus_intr : !vbus_intr;
}
void tcpc_alert_event(enum gpio_signal signal)
{
int i;
for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) {
if (tcpc_gpios[i].vbus.pin == signal) {
schedule_deferred_pd_interrupt(i);
break;
}
}
}
uint16_t tcpc_get_alert_status(void)
{
uint16_t status = 0;
int i;
/* Check which port has the ALERT line set */
for (i = 0; i < CHARGE_PORT_COUNT; i++) {
/* No alerts for embdeded TCPC */
if (tcpc_config[i].bus_type == EC_BUS_TYPE_EMBEDDED)
continue;
/* Add TCPC alerts if present */
}
return status;
}
void board_tcpc_init(void)
{
int i;
/* Only reset TCPC if not sysjump */
if (!system_jumped_late())
board_reset_pd_mcu();
/* Enable TCPCx interrupt */
for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++)
gpio_enable_interrupt(tcpc_gpios[i].vbus.pin);
}
DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C + 1);
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