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/*
* 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);
/**
* soc_get_xhci_usb_info() - Get the information about USB2 & USB3 ports.
*
* This function is used to get USB ports and status register offset information
* within a XHCI controller.
*
* Return: USB ports and status register offset info for the SoC.
*/
const struct xhci_usb_info *soc_get_xhci_usb_info(void);
#endif /* SOC_INTEL_COMMON_BLOCK_XHCI_H */
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