static void usb_charger_init(void)
{
int i;
struct charge_port_info charge_none;
/* Initialize all charge suppliers to 0 */
charge_none.voltage = USB_CHARGER_VOLTAGE_MV;
charge_none.current = 0;
for (i = 0; i < CONFIG_USB_PD_PORT_COUNT; i++) {
charge_manager_update_charge(CHARGE_SUPPLIER_PROPRIETARY,
i,
&charge_none);
charge_manager_update_charge(CHARGE_SUPPLIER_BC12_CDP,
i,
&charge_none);
charge_manager_update_charge(CHARGE_SUPPLIER_BC12_DCP,
i,
&charge_none);
charge_manager_update_charge(CHARGE_SUPPLIER_BC12_SDP,
i,
&charge_none);
charge_manager_update_charge(CHARGE_SUPPLIER_OTHER,
i,
&charge_none);
#ifndef CONFIG_USB_PD_VBUS_DETECT_TCPC
/*
* Initialize VBUS supplier based on whether VBUS is present.
* For CONFIG_USB_PD_VBUS_DETECT_TCPC, usb_charger_vbus_change()
* will be called directly from TCPC alert.
*/
update_vbus_supplier(i, pd_snk_is_vbus_provided(i));
#endif
}
}
static void usb_charger_init(void)
{
int i;
struct charge_port_info charge_none;
/* Initialize all pericom charge suppliers to 0 */
charge_none.voltage = USB_CHARGER_VOLTAGE_MV;
charge_none.current = 0;
for (i = 0; i < CONFIG_USB_PD_PORT_COUNT; i++) {
charge_manager_update_charge(CHARGE_SUPPLIER_PROPRIETARY,
i,
&charge_none);
charge_manager_update_charge(CHARGE_SUPPLIER_BC12_CDP,
i,
&charge_none);
charge_manager_update_charge(CHARGE_SUPPLIER_BC12_DCP,
i,
&charge_none);
charge_manager_update_charge(CHARGE_SUPPLIER_BC12_SDP,
i,
&charge_none);
charge_manager_update_charge(CHARGE_SUPPLIER_OTHER,
i,
&charge_none);
#ifndef CONFIG_USB_PD_TCPM_VBUS
/* Initialize VBUS supplier based on whether VBUS is present */
update_vbus_supplier(i, pd_snk_is_vbus_provided(i));
#endif
}
}
void usb_charger_vbus_change(int port, int vbus_level)
{
/* Update VBUS supplier and signal VBUS change to USB_CHG task */
update_vbus_supplier(port, vbus_level);
#if CONFIG_USB_PD_PORT_COUNT == 2
task_set_event(port ? TASK_ID_USB_CHG_P1 : TASK_ID_USB_CHG_P0,
USB_CHG_EVENT_VBUS, 0);
#else
task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_VBUS, 0);
#endif
}
/* Initialize board. */
static void board_init(void)
{
int i;
/* Initialize all BC1.2 charge suppliers to 0 */
for (i = 0; i < CONFIG_USB_PD_PORT_COUNT; i++)
reset_charge(i);
/* Enable charge status interrupt */
gpio_enable_interrupt(GPIO_CHARGE_STATUS);
/* Initialize VBUS supplier based on whether or not VBUS is present */
update_vbus_supplier(gpio_get_level(GPIO_AC_PRESENT));
}
void vbus_evt(enum gpio_signal signal)
{
/*
* We are using AC_PRESENT signal to detect VBUS presence since
* lucid only has one port and charging is always enabled.
*/
hook_call_deferred(&usb_charger_bc12_detect_data,
USB_CHG_DETECT_DELAY_US);
update_vbus_supplier(gpio_get_level(signal));
task_wake(TASK_ID_PD_C0);
/* trigger AC present interrupt */
extpower_interrupt(signal);
}
void usb_charger_vbus_change(int port, int vbus_level)
{
/* If VBUS has transitioned low, notify PD module directly */
if (!vbus_level)
pd_vbus_low(port);
/* Update VBUS supplier and signal VBUS change to USB_CHG task */
update_vbus_supplier(port, vbus_level);
#ifdef HAS_TASK_USB_CHG_P0
/* USB Charger task(s) */
task_set_event(USB_CHG_PORT_TO_TASK_ID(port), USB_CHG_EVENT_VBUS, 0);
#endif
#ifdef CONFIG_USB_PD_VBUS_DETECT_CHARGER
/* USB PD task */
task_wake(PD_PORT_TO_TASK_ID(port));
#endif
}
