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/* Copyright 2020 The ChromiumOS Authors
* 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 "charge_manager.h"
#include "charge_state_v2.h"
#include "console.h"
#include "driver/ppc/sn5s330.h"
#include "gpio.h"
#include "hooks.h"
#include "tcpm/tcpci.h"
#include "system.h"
#include "usbc_ppc.h"
#ifdef CONFIG_ZEPHYR
#include "intelrvp.h"
#endif /* CONFIG_ZEPHYR */
#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 */
}
static void baseboard_tcpc_init(void)
{
int i;
/* Only reset TCPC if not sysjump */
if (!system_jumped_late())
board_reset_pd_mcu();
for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) {
/* Enable PPC interrupts. */
if (tcpc_aic_gpios[i].ppc_intr_handler)
gpio_enable_interrupt(tcpc_aic_gpios[i].ppc_alert);
/* Enable TCPC interrupts. */
if (tcpc_config[i].bus_type != EC_BUS_TYPE_EMBEDDED)
gpio_enable_interrupt(tcpc_aic_gpios[i].tcpc_alert);
}
}
DECLARE_HOOK(HOOK_INIT, baseboard_tcpc_init, HOOK_PRIO_INIT_CHIPSET);
void tcpc_alert_event(enum gpio_signal signal)
{
int i;
for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) {
/* No alerts for embdeded TCPC */
if (tcpc_config[i].bus_type == EC_BUS_TYPE_EMBEDDED)
continue;
if (signal == tcpc_aic_gpios[i].tcpc_alert) {
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 < CONFIG_USB_PD_PORT_MAX_COUNT; i++) {
/* No alerts for embdeded TCPC */
if (tcpc_config[i].bus_type == EC_BUS_TYPE_EMBEDDED)
continue;
if (!gpio_get_level(tcpc_aic_gpios[i].tcpc_alert))
status |= PD_STATUS_TCPC_ALERT_0 << i;
}
return status;
}
int ppc_get_alert_status(int port)
{
if (!tcpc_aic_gpios[port].ppc_intr_handler)
return 0;
return !gpio_get_level(tcpc_aic_gpios[port].ppc_alert);
}
/* PPC support routines */
void ppc_interrupt(enum gpio_signal signal)
{
int i;
for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) {
if (tcpc_aic_gpios[i].ppc_intr_handler &&
signal == tcpc_aic_gpios[i].ppc_alert) {
tcpc_aic_gpios[i].ppc_intr_handler(i);
break;
}
}
}
void board_charging_enable(int port, int enable)
{
if (ppc_vbus_sink_enable(port, enable))
CPRINTS("C%d: sink path %s failed", port,
enable ? "en" : "dis");
}
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