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/* Copyright 2019 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 "charge_manager.h"
#include "charge_state_v2.h"
#include "console.h"
#include "hooks.h"
#include "tcpci.h"
#include "system.h"
#define CPRINTF(format, args...) cprintf(CC_USBPD, format, ## args)
#define CPRINTS(format, args...) cprints(CC_USBPD, format, ## args)
static inline int is_typec_port(int port)
{
return !(port == DEDICATED_CHARGE_PORT || port == CHARGE_PORT_NONE);
}
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 == CONFIG_USB_PD_MAX_SINGLE_SOURCE_CURRENT &&
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 (port == DEDICATED_CHARGE_PORT)
return 1;
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)
{
#ifdef HAS_TASK_PDCMD
/* Exchange status with TCPCs */
host_command_pd_send_status(PD_CHARGE_NO_CHANGE);
#endif
}
void board_tcpc_init(void)
{
int i;
/* Only reset TCPC if not sysjump */
if (!system_jumped_to_this_image())
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);
static inline int board_dc_jack_present(void)
{
return gpio_get_level(GPIO_DC_JACK_PRESENT);
}
static void board_dc_jack_handle(void)
{
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);
}
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;
}
/*
* 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;
}
/* Make sure non-charging ports are disabled */
for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) {
if (i == port)
continue;
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;
}
void board_set_charge_limit(int port, int supplier, int charge_ma,
int max_ma, int charge_mv)
{
charge_set_input_current_limit(MAX(charge_ma,
CONFIG_CHARGER_INPUT_CURRENT), charge_mv);
}
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