| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2017 Intel Corporation. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef SOC_INTEL_COMMON_BLOCK_XHCI_H |
| #define SOC_INTEL_COMMON_BLOCK_XHCI_H |
| |
| #include <device/device.h> |
| |
| /** |
| * struct xhci_usb_info - Data containing number of USB ports & offset. |
| * @usb2_port_status_reg: Offset to USB2 port status register. |
| * @num_usb2_ports: Number of USB2 ports. |
| * @usb3_port_status_reg: Offset to USB3 port status register. |
| * @num_usb3_ports: Number of USB3 ports. |
| */ |
| struct xhci_usb_info { |
| uint32_t usb2_port_status_reg; |
| uint32_t num_usb2_ports; |
| uint32_t usb3_port_status_reg; |
| uint32_t num_usb3_ports; |
| }; |
| |
| /** |
| * pch_xhci_update_wake_event() - Identify and log XHCI wake events. |
| * @info: Information about number of USB ports and their status reg offset. |
| * |
| * This function goes through individual USB port status registers within the |
| * XHCI block and identifies if any of those USB ports triggered a wake-up and |
| * log information about those ports to the event log. |
| * |
| * Return: True if any port is identified as a wake source, false if none. |
| */ |
| bool pch_xhci_update_wake_event(const struct xhci_usb_info *info); |
| |
| void soc_xhci_init(struct device *dev); |
| |
| #endif /* SOC_INTEL_COMMON_BLOCK_XHCI_H */ |