diff options
Diffstat (limited to 'common/usb_charger.c')
| -rw-r--r-- | common/usb_charger.c | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/common/usb_charger.c b/common/usb_charger.c deleted file mode 100644 index b8e8038811..0000000000 --- a/common/usb_charger.c +++ /dev/null @@ -1,136 +0,0 @@ -/* Copyright 2015 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. - */ - -/* - * USB charger interface routines. This code assumes that CONFIG_CHARGE_MANAGER - * is defined and implemented. - * usb_charger_set_switches() must be implemented by a companion - * usb_switch driver. - * In addition, USB switch-specific usb_charger task or interrupt routine - * is necessary to update charge_manager with detected charger attributes. - */ - -#include "charge_manager.h" -#include "charger.h" -#include "common.h" -#include "console.h" -#include "gpio.h" -#include "hooks.h" -#include "stddef.h" -#include "task.h" -#include "usb_charge.h" -#include "usb_pd.h" -#include "usb_pd_flags.h" -#include "usbc_ppc.h" -#include "util.h" - -static void update_vbus_supplier(int port, int vbus_level) -{ - struct charge_port_info charge = {0}; - - if (vbus_level && !usb_charger_port_is_sourcing_vbus(port)) { - charge.voltage = USB_CHARGER_VOLTAGE_MV; - charge.current = USB_CHARGER_MIN_CURR_MA; - } - - charge_manager_update_charge(CHARGE_SUPPLIER_VBUS, port, &charge); -} - -#ifdef CONFIG_USB_PD_5V_EN_CUSTOM -#define USB_5V_EN(port) board_is_sourcing_vbus(port) -#elif defined(CONFIG_USBC_PPC) -#define USB_5V_EN(port) ppc_is_sourcing_vbus(port) -#elif defined(CONFIG_USB_PD_PPC) -#define USB_5V_EN(port) tcpci_tcpm_get_src_ctrl(port) -#elif defined(CONFIG_USB_PD_5V_CHARGER_CTRL) -#define USB_5V_EN(port) charger_is_sourcing_otg_power(port) -#elif defined(CONFIG_USB_PD_5V_EN_ACTIVE_LOW) -#define USB_5V_EN(port) !gpio_get_level(GPIO_USB_C##port##_5V_EN_L) -#else -#define USB_5V_EN(port) gpio_get_level(GPIO_USB_C##port##_5V_EN) -#endif - -int usb_charger_port_is_sourcing_vbus(int port) -{ - if (port == 0) - return USB_5V_EN(0); -#if CONFIG_USB_PD_PORT_MAX_COUNT >= 2 - else if (port == 1) - return USB_5V_EN(1); -#endif - /* Not a valid port */ - return 0; -} - -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); - - /* If we swapped to sourcing, drop any related charge suppliers */ - if (usb_charger_port_is_sourcing_vbus(port)) - usb_charger_reset_charge(port); -#endif - - if ((get_usb_pd_vbus_detect() == USB_PD_VBUS_DETECT_CHARGER) || - (get_usb_pd_vbus_detect() == USB_PD_VBUS_DETECT_PPC)) { - /* USB PD task */ - task_wake(PD_PORT_TO_TASK_ID(port)); - } -} - -void usb_charger_reset_charge(int port) -{ - charge_manager_update_charge(CHARGE_SUPPLIER_PROPRIETARY, - port, NULL); - charge_manager_update_charge(CHARGE_SUPPLIER_BC12_CDP, - port, NULL); - charge_manager_update_charge(CHARGE_SUPPLIER_BC12_DCP, - port, NULL); - charge_manager_update_charge(CHARGE_SUPPLIER_BC12_SDP, - port, NULL); - charge_manager_update_charge(CHARGE_SUPPLIER_OTHER, - port, NULL); -#if CONFIG_DEDICATED_CHARGE_PORT_COUNT > 0 - charge_manager_update_charge(CHARGE_SUPPLIER_DEDICATED, - port, NULL); -#endif -#ifdef CONFIG_WIRELESS_CHARGER_P9221_R7 - charge_manager_update_charge(CHARGE_SUPPLIER_WPC_BPP, - port, NULL); - charge_manager_update_charge(CHARGE_SUPPLIER_WPC_EPP, - port, NULL); - charge_manager_update_charge(CHARGE_SUPPLIER_WPC_GPP, - port, NULL); -#endif - -} - -static void usb_charger_init(void) -{ - int i; - for (i = 0; i < board_get_usb_pd_port_count(); i++) { - usb_charger_reset_charge(i); - /* Initialize VBUS supplier based on whether VBUS is present. */ - update_vbus_supplier(i, pd_is_vbus_present(i)); - } -} -DECLARE_HOOK(HOOK_INIT, usb_charger_init, HOOK_PRIO_CHARGE_MANAGER_INIT + 1); - -void usb_charger_task(void *u) -{ - int port = TASK_ID_TO_USB_CHG_PORT(task_get_current()); - - ASSERT(bc12_ports[port].drv->usb_charger_task); - bc12_ports[port].drv->usb_charger_task(port); -} |