ADD: Open version, with important changes kept out.

Signed-off-by: Amlal <amlal.elmahrouss@icloud.com>

2 files changed, 70 insertions, 0 deletions

diff --git a/dev/Mod/XHCI/.gitkeep b/dev/Mod/XHCI/.gitkeep
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/dev/Mod/XHCI/.gitkeep
diff --git a/dev/Mod/XHCI/Defines.h b/dev/Mod/XHCI/Defines.h
new file mode 100644
index 00000000..7f948128
--- /dev/null
+++ b/dev/Mod/XHCI/Defines.h
@@ -0,0 +1,70 @@
+/* -------------------------------------------
+
+	Copyright (C) 2024, Amlal EL Mahrouss, all rights reserved.
+
+	File: Defines.h
+	Purpose: XHCI (and backwards) header.
+
+	Revision History:
+
+	01/02/24: Added file (amlel)
+	03/02/24: Update filename to Defines.h (amlel)
+
+------------------------------------------- */
+
+#pragma once
+
+#include <NewKit/Defines.h>
+
+using namespace Kernel;
+
+#define kUSBCommand				 (UInt16)0x0
+#define kUSBStatus				 (UInt16)0x2
+#define kUSBInterruptEnable		 (UInt16)0x4
+#define kUSBFrameNum			 (UInt16)0x6
+#define kUSBFrameListBaseAddress (UInt16)0x8
+#define kUSBFrameModifyStart	 (UInt16)0xC
+#define kUSBPort1StatusCtrl		 (UInt16)0x10
+#define kUSBPort2StatusCtrl		 (UInt16)0x12
+
+typedef struct USBCommandRegister final
+{
+	UInt8 mReserved[8]; // Reserved
+	UInt8
+		  mMaxPacket; //  	0 = Max packet size 32 bits 1 = Max packet size 64 bits
+	UInt8 mConfigure;
+	UInt8 mSoftwareDebug;
+	UInt8 mGlobalResume;
+	UInt8 mGlobalSuspend;
+	UInt8 mHostCtrlReset;
+	UInt8 mRun; //  	1 = Controller execute frame list entries
+} USBCommandRegister;
+
+typedef struct USBStatusRegister final
+{
+	UInt8 mReserved[8]; // Reserved
+	UInt8 mHalted;		//  1 = bit 0 in CMD is zero 0 = bit 0 in CMD is 1
+	UInt8 mProcessError;
+	UInt8 mSystemError;
+	UInt8 mResumeDetected;
+	UInt8 mErrorInterrupt;
+	UInt8 mInterrupt;
+} USBStatusRegister;
+
+typedef struct USBInterruptEnableRegister final
+{
+	UInt8 mReserved[4]; // Reserved
+	UInt8 mShortPacket; //  1=Enable interrupt 0=Disable interrupt
+	UInt8 mComplete;	//  1=Enable interrupt 0=Disable interrupt
+	UInt8 mResume;		//  1=Enable interrupt 0=Disable interrupt
+	UInt8 mTimeoutCRC;	//  1=Enable interrupt 0=Disable interrupt
+} USBInterruptEnableRegister;
+
+/*
+	Some terminology:
+
+	Frame Number: Number of processed entry of the Frame List.
+	Frame List Base Address:
+	32-bit physical adress of Frame List. Remember that first 12 bytes are
+   always 0. The Frame List must contain 1024 entries.
+*/