mirror of
https://github.com/StrikerX3/StrikeBox.git
synced 2024-06-23 14:53:22 -04:00
143 lines
5 KiB
C++
143 lines
5 KiB
C++
/*
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* Portions of the code are based on Cxbx-Reloaded's OHCI LLE implementation.
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* The original copyright header is included below.
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*/
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// This is an open source non-commercial project. Dear PVS-Studio, please check it.
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// PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
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// ******************************************************************
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// *
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// * .,-::::: .,:: .::::::::. .,:: .:
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// * ,;;;'````' `;;;, .,;; ;;;'';;' `;;;, .,;;
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// * [[[ '[[,,[[' [[[__[[\. '[[,,[['
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// * $$$ Y$$$P $$""""Y$$ Y$$$P
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// * `88bo,__,o, oP"``"Yo, _88o,,od8P oP"``"Yo,
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// * "YUMMMMMP",m" "Mm,""YUMMMP" ,m" "Mm,
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// *
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// * Cxbx->devices->usb->Hub.h
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// *
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// * This file is part of the Cxbx project.
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// *
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// * Cxbx and Cxbe are free software; you can redistribute them
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// * and/or modify them under the terms of the GNU General Public
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// * License as published by the Free Software Foundation; either
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// * version 2 of the license, or (at your option) any later version.
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// *
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// * This program is distributed in the hope that it will be useful,
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// * but WITHOUT ANY WARRANTY; without even the implied warranty of
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// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// * GNU General Public License for more details.
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// *
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// * You should have recieved a copy of the GNU General Public License
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// * along with this program; see the file COPYING.
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// * If not, write to the Free Software Foundation, Inc.,
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// * 59 Temple Place - Suite 330, Bostom, MA 02111-1307, USA.
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// *
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// * (c) 2018 ergo720
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// *
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// * All rights reserved
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// *
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// ******************************************************************
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#pragma once
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#include "../pci/usb_pci.h"
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namespace vixen {
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#define NUM_PORTS 8
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#define PORT_STAT_CONNECTION 0x0001
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#define PORT_STAT_ENABLE 0x0002
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#define PORT_STAT_SUSPEND 0x0004
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#define PORT_STAT_OVERCURRENT 0x0008
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#define PORT_STAT_RESET 0x0010
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#define PORT_STAT_POWER 0x0100
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#define PORT_STAT_LOW_SPEED 0x0200
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#define PORT_STAT_C_CONNECTION 0x0001
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#define PORT_STAT_C_ENABLE 0x0002
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#define PORT_STAT_C_SUSPEND 0x0004
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#define PORT_STAT_C_OVERCURRENT 0x0008
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#define PORT_STAT_C_RESET 0x0010
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#define ClearHubFeature (0x2000 | USB_REQ_CLEAR_FEATURE)
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#define ClearPortFeature (0x2300 | USB_REQ_CLEAR_FEATURE)
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#define GetHubDescriptor (0xA000 | USB_REQ_GET_DESCRIPTOR)
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#define GetHubStatus (0xA000 | USB_REQ_GET_STATUS)
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#define GetPortStatus (0xA300 | USB_REQ_GET_STATUS)
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#define SetHubFeature (0x2000 | USB_REQ_SET_FEATURE)
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#define SetPortFeature (0x2300 | USB_REQ_SET_FEATURE)
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#define PORT_CONNECTION 0
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#define PORT_ENABLE 1
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#define PORT_SUSPEND 2
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#define PORT_OVERCURRENT 3
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#define PORT_RESET 4
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#define PORT_POWER 8
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#define PORT_LOWSPEED 9
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#define PORT_C_CONNECTION 16
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#define PORT_C_ENABLE 17
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#define PORT_C_SUSPEND 18
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#define PORT_C_OVERCURRENT 19
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#define PORT_C_RESET 20
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struct USBHubPort {
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USBPort port; // downstream port status
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uint16_t wPortStatus; // Port Status Field, in accordance with the standard
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uint16_t wPortChange; // Port Change Field, in accordance with the standard
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};
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struct USBHubState {
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XboxDeviceState dev; // hub device status
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USBEndpoint* intr; // interrupt endpoint of the hub
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USBHubPort ports[NUM_PORTS]; // downstream ports of the hub
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};
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/* Class which implements a usb hub */
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class Hub {
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public:
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// usb device this hub is attached to
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USBPCIDevice* m_UsbDev = nullptr;
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// initialize this hub
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int Init(int port);
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// start hub destruction
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void HubDestroy();
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private:
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// hub state
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USBHubState* m_HubState = nullptr;
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// hub class functions
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USBDeviceClass* m_pPeripheralFuncStruct = nullptr;
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// initialize various member variables/functions
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XboxDeviceState* ClassInitFn();
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// see USBDeviceClass for comments about these functions
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int UsbHub_Initfn(XboxDeviceState* dev);
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XboxDeviceState* UsbHub_FindDevice(XboxDeviceState* dev, uint8_t addr);
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void UsbHub_HandleReset();
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void UsbHub_HandleControl(XboxDeviceState* dev, USBPacket* p,
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int request, int value, int index, int length, uint8_t* data);
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void UsbHub_HandleData(XboxDeviceState* dev, USBPacket* p);
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void UsbHub_HandleDestroy();
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// see USBPortOps struct for info
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void UsbHub_Attach(USBPort* port1);
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void UsbHub_Detach(USBPort* port1);
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void UsbHub_ChildDetach(XboxDeviceState* child);
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void UsbHub_Wakeup(USBPort* port1);
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void UsbHub_Complete(USBPort* port, USBPacket* packet);
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// reserve a usb port for this hub
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int UsbHubClaimPort(XboxDeviceState* dev, int port);
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// free the usb port used by this hub
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void UsbHubReleasePort(XboxDeviceState* dev);
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// retieve the name of the feature of the usb request
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std::string GetFeatureName(int feature);
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// destroy hub resources
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void HubCleanUp();
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};
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extern Hub* g_HubObjArray[4];
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}
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