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/* Copyright 2022 The ChromiumOS Authors
* 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 "charge_state.h"
#include "charger.h"
#include "common.h"
#include "compile_time_macros.h"
#include "console.h"
#include "driver/charger/bq25710.h"
#include "usb_pd.h"
#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)
#ifndef CONFIG_ZEPHYR
/* Charger Chip Configuration */
const struct charger_config_t chg_chips[] = {
{
.i2c_port = I2C_PORT_CHARGER,
.i2c_addr_flags = BQ25710_SMBUS_ADDR1_FLAGS,
.drv = &bq25710_drv,
},
};
BUILD_ASSERT(ARRAY_SIZE(chg_chips) == CHARGER_NUM);
#endif
int board_set_active_charge_port(int port)
{
int is_valid_port = board_is_usb_pd_port_present(port);
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;
}
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