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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.
*/
/* Common USB PD charge configuration */
#include "charge_manager.h"
#include "charge_state_v2.h"
#include "gpio.h"
#include "hooks.h"
#include "intelrvp.h"
#include "tcpm/tcpci.h"
#define CPRINTF(format, args...) cprintf(CC_USBPD, format, ##args)
#define CPRINTS(format, args...) cprints(CC_USBPD, format, ##args)
bool is_typec_port(int port)
{
#if CONFIG_DEDICATED_CHARGE_PORT_COUNT > 0
return !(port == DEDICATED_CHARGE_PORT || port == CHARGE_PORT_NONE);
#else
return !(port == CHARGE_PORT_NONE);
#endif /* CONFIG_DEDICATED_CHARGE_PORT_COUNT > 0 */
}
static inline int board_dc_jack_present(void)
{
#if CONFIG_DEDICATED_CHARGE_PORT_COUNT > 0
return gpio_get_level(GPIO_DC_JACK_PRESENT);
#else
return 0;
#endif /* CONFIG_DEDICATED_CHARGE_PORT_COUNT > 0 */
}
static void board_dc_jack_handle(void)
{
#if CONFIG_DEDICATED_CHARGE_PORT_COUNT > 0
struct charge_port_info charge_dc_jack;
/* System is booted from DC Jack */
if (board_dc_jack_present()) {
charge_dc_jack.current =
(PD_MAX_POWER_MW * 1000) / DC_JACK_MAX_VOLTAGE_MV;
charge_dc_jack.voltage = DC_JACK_MAX_VOLTAGE_MV;
} else {
charge_dc_jack.current = 0;
charge_dc_jack.voltage = USB_CHARGER_VOLTAGE_MV;
}
charge_manager_update_charge(CHARGE_SUPPLIER_DEDICATED,
DEDICATED_CHARGE_PORT, &charge_dc_jack);
#endif /* CONFIG_DEDICATED_CHARGE_PORT_COUNT > 0 */
}
void board_dc_jack_interrupt(enum gpio_signal signal)
{
board_dc_jack_handle();
}
static void board_charge_init(void)
{
int port, supplier;
struct charge_port_info charge_init = {
.current = 0,
.voltage = USB_CHARGER_VOLTAGE_MV,
};
/* Initialize all charge suppliers to seed the charge manager */
for (port = 0; port < CHARGE_PORT_COUNT; port++) {
for (supplier = 0; supplier < CHARGE_SUPPLIER_COUNT;
supplier++) {
charge_manager_update_charge(supplier, port,
&charge_init);
}
}
board_dc_jack_handle();
}
DECLARE_HOOK(HOOK_INIT, board_charge_init, HOOK_PRIO_DEFAULT);
int board_set_active_charge_port(int port)
{
int i;
/* charge port is a realy physical port */
int is_real_port = (port >= 0 && port < CHARGE_PORT_COUNT);
/* check if we are source vbus on that port */
int source = board_vbus_source_enabled(port);
if (is_real_port && source) {
CPRINTS("Skip enable p%d", port);
return EC_ERROR_INVAL;
}
#if CONFIG_DEDICATED_CHARGE_PORT_COUNT > 0
/*
* Do not enable Type-C port if the DC Jack is present.
* When the Type-C is active port, hardware circuit will
* block DC jack from enabling +VADP_OUT.
*/
if (port != DEDICATED_CHARGE_PORT && board_dc_jack_present()) {
CPRINTS("DC Jack present, Skip enable p%d", port);
return EC_ERROR_INVAL;
}
#endif /* CONFIG_DEDICATED_CHARGE_PORT_COUNT */
/* Make sure non-charging ports are disabled */
for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) {
if (i != port) {
board_charging_enable(i, 0);
}
}
/* Enable charging port */
if (is_typec_port(port)) {
board_charging_enable(port, 1);
}
CPRINTS("New chg p%d", port);
return EC_SUCCESS;
}
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