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/* Copyright 2021 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* Volteer family-specific configuration */
#include "charge_manager.h"
#include "charge_state.h"
#include "charger.h"
#include "common.h"
#include "driver/charger/isl9241_public.h"
#include "gpio.h"
#ifdef CONFIG_ZEPHYR
#include "usbc_config.h"
#endif
#include "usbc_ppc.h"
#include "util.h"
#define CPRINTSUSB(format, args...) cprints(CC_USBCHARGE, format, ##args)
#define CPRINTFUSB(format, args...) cprintf(CC_USBCHARGE, format, ##args)
/* Charger Chip Configuration */
const struct charger_config_t chg_chips[] = {
{
.i2c_port = I2C_PORT_CHARGER,
.i2c_addr_flags = ISL9241_ADDR_FLAGS,
.drv = &isl9241_drv,
},
};
int board_set_active_charge_port(int port)
{
int is_valid_port = (port >= 0 && port < CONFIG_USB_PD_PORT_MAX_COUNT);
int i;
if (port == CHARGE_PORT_NONE) {
CPRINTSUSB("Disabling all charger ports");
/* Disable all ports. */
for (i = 0; i < ppc_cnt; i++) {
/*
* Do not return early if one fails otherwise we can
* get into a boot loop assertion failure.
*/
if (ppc_vbus_sink_enable(i, 0))
CPRINTSUSB("Disabling C%d as sink failed.", i);
}
return EC_SUCCESS;
} else if (!is_valid_port) {
return EC_ERROR_INVAL;
}
/* Check if the port is sourcing VBUS. */
if (ppc_is_sourcing_vbus(port)) {
CPRINTFUSB("Skip enable C%d", port);
return EC_ERROR_INVAL;
}
CPRINTSUSB("New charge port: C%d", port);
/*
* Turn off the other ports' sink path FETs, before enabling the
* requested charge port.
*/
for (i = 0; i < ppc_cnt; i++) {
if (i == port)
continue;
if (ppc_vbus_sink_enable(i, 0))
CPRINTSUSB("C%d: sink path disable failed.", i);
}
/* Enable requested charge port. */
if (ppc_vbus_sink_enable(port, 1)) {
CPRINTSUSB("C%d: sink path enable failed.", port);
return EC_ERROR_UNKNOWN;
}
return EC_SUCCESS;
}
void board_overcurrent_event(int port, int is_overcurrented)
{
/* Note that the level is inverted because the pin is active low. */
switch (port) {
case USBC_PORT_C0:
gpio_set_level(GPIO_USB_C0_OC_ODL, !is_overcurrented);
break;
case USBC_PORT_C1:
gpio_set_level(GPIO_USB_C1_OC_ODL, !is_overcurrented);
break;
}
}
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