kitlusbser.c

来自「SAMSUNG S3C6410 CPU BSP for winmobile6」· C语言 代码 · 共 1,579 行 · 第 1/4 页

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//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this source code is subject to the terms of the Microsoft end-user
// license agreement (EULA) under which you licensed this SOFTWARE PRODUCT.
// If you did not accept the terms of the EULA, you are not authorized to use
// this source code. For a copy of the EULA, please see the LICENSE.RTF on your
// install media.
//

#include <windows.h>
#include <bsp.h>
#include <kitl_cfg.h>
#include "kitlusbser.h"

// start // from otg_dev.c

static DWORD KitlIoPortBase;

extern USBSerKitl_POLL;

/*----------------------------------------------------------------------
 * Variables for EP0 resend control. Keep track of last packet sent.
 */
S3CUSB_INFO  g_Info; // record keeping
SetupPKG dReq;
USBSERKITL_INFO USBSerInfo;

static char * sendPacket;
static int sendPacketLength;
static int sendTotalLength;
static char * savSendPacket;
static int savSendPacketLength;

//=====================================================================
// setting the device qualifier descriptor and a string descriptor
const UINT8 aDeviceQualifierDescriptor[] =
{
	0x0a,                   //  0 desc size
	0x06,                   //  1 desc type (DEVICE)
	0x00,                   //  2 USB release
	0x02,                   //  3 => 2.00
	0x00,                   //  4 class
	0x00,                   //  5 subclass
	0x00,                   //  6 protocol
	64,          			//  7 max pack size
	0x01,                   //  8 number of other-speed configuration
	0x00,                   //  9 reserved
};

const UINT8 aDescStr0[]=
{
	4, STRING_DESCRIPTOR, LANGID_US_L, LANGID_US_H, // codes representing languages
};

const UINT8 aDescStr1[]= // Manufacturer
{
	(0x14+2), STRING_DESCRIPTOR,
	'S', 0x0, 'y', 0x0, 's', 0x0, 't', 0x0, 'e', 0x0, 'm', 0x0, ' ', 0x0, 'M', 0x0,
	'C', 0x0, 'U', 0x0,
};
#if	(CPU_NAME == S3C6410)
const UINT8 aDescStr2[]= // Product
{
	(0x2a+2), STRING_DESCRIPTOR,
	'S', 0x0, 'E', 0x0, 'C', 0x0, ' ', 0x0, 'S', 0x0, '3', 0x0, 'C', 0x0, '6', 0x0,
	'4', 0x0, '1', 0x0, '0', 0x0, 'X', 0x0, ' ', 0x0, 'T', 0x0, 'e', 0x0, 's', 0x0,
	't', 0x0, ' ', 0x0, 'B', 0x0, '/', 0x0, 'D', 0x0
};
#endif
#if	(CPU_NAME == S3C6400)
const UINT8 aDescStr2[]= // Product
{
	(0x2a+2), STRING_DESCRIPTOR,
	'S', 0x0, 'E', 0x0, 'C', 0x0, ' ', 0x0, 'S', 0x0, '3', 0x0, 'C', 0x0, '6', 0x0,
	'4', 0x0, '0', 0x0, '0', 0x0, 'X', 0x0, ' ', 0x0, 'T', 0x0, 'e', 0x0, 's', 0x0,
	't', 0x0, ' ', 0x0, 'B', 0x0, '/', 0x0, 'D', 0x0
};
#endif

//=====================================================================
// global varibles used in several functions
OTGDEV oOtgDev;
USB_GET_STATUS oStatusGet;
USB_INTERFACE_GET oInterfaceGet;

UINT16 g_usConfig;

volatile UINT32 				readPtIndex;
volatile UINT8					*g_pDownPt;

void SetEndpoint(void);

// start // from otg_dev.c

//////////
// Function Name : OTGDEV_InitOtg
// Function Desctiption : This function initializes OTG PHY and LINK.
// Input : eSpeed, USB Speed (high or full)
// Output : NONE
// Version :
void OTGDEV_InitOtg(USB_SPEED eSpeed)
{
	UINT8 ucMode;
	volatile UINT32 uTemp;

	uTemp = Inp32SYSC(0x900);
	Outp32SYSC(0x900, uTemp|(1<<16)); // unmask usb signal
	
	oOtgDev.m_eSpeed = eSpeed;
	oOtgDev.m_uIsUsbOtgSetConfiguration = 0;
	oOtgDev.m_uEp0State = EP0_STATE_INIT;
	oOtgDev.m_uEp0SubState = 0;
	OTGDEV_InitPhyCon();
	OTGDEV_SoftResetCore();
	OTGDEV_InitCore();
	OTGDEV_CheckCurrentMode(&ucMode);
	if (ucMode == INT_DEV_MODE)
	{
		OTGDEV_SetSoftDisconnect();
		delayLoop(10);
		OTGDEV_ClearSoftDisconnect();
		OTGDEV_InitDevice();
	}
	else
	{
		EdbgOutputDebugString("Error : Current Mode is Host\n");
		return;
	}
	
	if(oOtgDev.m_eSpeed == USB_HIGH)
	{
		oOtgDev.m_uControlEPMaxPktSize = HIGH_SPEED_CONTROL_PKT_SIZE;
		oOtgDev.m_uBulkInEPMaxPktSize = HIGH_SPEED_BULK_PKT_SIZE;
		oOtgDev.m_uBulkOutEPMaxPktSize = HIGH_SPEED_BULK_PKT_SIZE;
	}
	else
	{
		oOtgDev.m_uControlEPMaxPktSize = FULL_SPEED_CONTROL_PKT_SIZE;
		oOtgDev.m_uBulkInEPMaxPktSize = FULL_SPEED_BULK_PKT_SIZE;
		oOtgDev.m_uBulkOutEPMaxPktSize = FULL_SPEED_BULK_PKT_SIZE;
	}
	
	oOtgDev.m_uEp0State = EP0_STATE_INIT;
	OTGDEV_SetOpMode(USB_CPU);
	OTGDEV_SetDescriptorTable();
	OTGDEV_SetEndpoint();
}



//////////
// Function Name : OTGDEV_HandleEvent
// Function Desctiption : This function handles various OTG interrupts of Device mode.
// Input : NONE
// Output : NONE
// Version :
UINT16 OTGDEV_HandleEvent(UINT8 *pch, UINT16 length)
{
	volatile UINT32 uGIntStatus, uDStatus;
	UINT32 ep_int_status, ep_int;
#if	(CPU_NAME == S3C6410)
	UINT32 uPcgctl;
	UINT32 uGrstctl;
#endif

	length = 0;
	Inp32(GINTSTS, uGIntStatus); // System status read
	Outp32(GINTSTS, uGIntStatus); // Interrupt Clear

	if (uGIntStatus & INT_RESET) // Reset interrupt
	{		
		Outp32(GINTSTS, INT_RESET); // Interrupt Clear
		
		OTGDEV_SetAllOutEpNak();
		oOtgDev.m_uEp0State = EP0_STATE_INIT;
		Outp32(DAINTMSK,((1<<BULK_OUT_EP)|(1<<CONTROL_EP))<<16|((1<<BULK_IN_EP)|(1<<CONTROL_EP)));
		Outp32(DOEPMSK, CTRL_OUT_EP_SETUP_PHASE_DONE|AHB_ERROR|TRANSFER_DONE);
		Outp32(DIEPMSK, INTKN_TXFEMP|NON_ISO_IN_EP_TIMEOUT|AHB_ERROR|TRANSFER_DONE);
		Outp32(GRXFSIZ, RX_FIFO_SIZE);					// Rx FIFO Size
		Outp32(GNPTXFSIZ, NPTX_FIFO_SIZE<<16| NPTX_FIFO_START_ADDR<<0);	// Non Periodic Tx FIFO Size		
		Outp32(GRSTCTL, (1<<5)|(1<<4));  	// TX and RX FIFO Flush
		OTGDEV_SetOpMode(USB_CPU);

		OTGDEV_ClearAllOutEpNak();
#if	(CPU_NAME == S3C6410)
		Inp32(PCGCCTL,uPcgctl);
		Outp32(PCGCCTL, uPcgctl&~(1<<0));	//start pclk
#endif

		DBGUSB("\n [USB_Diag_Log]  : Reset Mode\n");
	}

	if (uGIntStatus & INT_ENUMDONE) // Device Speed Detection interrupt
	{
		Outp32(GINTSTS, INT_ENUMDONE); // Interrupt Clear
		DBGUSB("\n [USB_Diag_Log]  : Speed Detection interrupt \n");
		
		Inp32(DSTS, uDStatus); // System status read

		if (((uDStatus&0x6) >>1) == USB_HIGH) 			// Set if Device is High speed or Full speed
		{
			DBGUSB("\n [USB_Diag_Log]  : High Speed Detection\n");
			OTGDEV_SetMaxPktSizes(USB_HIGH);
		}
		else if(((uDStatus&0x6) >>1) == USB_FULL)
		{
			DBGUSB("\n [USB_Diag_Log]  : full Speed Detection\n");
			OTGDEV_SetMaxPktSizes(USB_FULL);
		}
		else 
		{
			DBGUSB("\n [USB_Diag_Log]  : No specific speed option\n"); //Assert(0);
			while(1);
		}
		
		OTGDEV_SetEndpoint();
		OTGDEV_SetDescriptorTable();
	}
	
	if (uGIntStatus & INT_RESUME)
	{
		Outp32(GINTSTS, INT_RESUME); // Host software send ClearPortFeature. Interrupt Clear
#if	(CPU_NAME == S3C6410)
		Inp32(PCGCCTL,uPcgctl);
		Outp32(PCGCCTL, uPcgctl &~ (1<<0));	//start pclk
#endif
		DBGUSB("\n [USB_Diag_Log]  : Resume Mode \n");
	}

	if (uGIntStatus & INT_SUSPEND)
	{
		Outp32(GINTSTS, INT_SUSPEND); // Interrupt Clear
#if	(CPU_NAME == S3C6410)
		Inp32(PCGCCTL,uPcgctl);
		Outp32(PCGCCTL, uPcgctl |(1<<0));	//stop pclk
#endif
		DBGUSB("\n [USB_Diag_Log]  : Suspend Mode\n");
	}

	if(uGIntStatus & INT_RX_FIFO_NOT_EMPTY)
	{
		UINT32 GrxStatus;
		UINT32 fifoCntByte;

		Outp32(GINTMSK,  INT_RESUME|INT_OUT_EP|INT_IN_EP|INT_ENUMDONE|INT_RESET|INT_SUSPEND);
		
		Inp32(GRXSTSP, GrxStatus);
	
		if ((GrxStatus & SETUP_PKT_RECEIVED) == SETUP_PKT_RECEIVED) 
		{
			DBGUSB("SETUP_PACKET_RECEIVED\n");
			OTGDEV_HandleEvent_EP0();
#if	(CPU_NAME == S3C6410)
			Inp32(GRSTCTL,uGrstctl);
			Outp32(GRSTCTL, uGrstctl &~ (0x1f<<6)|(0x1<<5));	//tx fifo flush
#endif
		}
		else if ((GrxStatus & OUT_PKT_RECEIVED) == OUT_PKT_RECEIVED)
		{

			fifoCntByte = (GrxStatus & 0x7ff0)>>4;
			if((GrxStatus & BULK_OUT_EP)&&(fifoCntByte))
			{				
				DBGUSB("Bulk Out : OUT_PKT_RECEIVED\n");
				OTGDEV_HandleEvent_BulkOut(pch, fifoCntByte);
				if( oOtgDev.m_eOpMode == USB_CPU )
					Outp32(GINTMSK, INT_RESUME|INT_OUT_EP|INT_IN_EP|INT_ENUMDONE|INT_RESET|INT_SUSPEND|INT_RX_FIFO_NOT_EMPTY);
				length = fifoCntByte;
			}
		}
		Outp32(GINTMSK, INT_RESUME|INT_OUT_EP|INT_IN_EP|INT_ENUMDONE|INT_RESET|INT_SUSPEND|INT_RX_FIFO_NOT_EMPTY); //gint unmask
	}

	if ((uGIntStatus & INT_IN_EP) || (uGIntStatus & INT_OUT_EP))
	{
		
		Inp32(DAINT, ep_int);
		
		if (ep_int & (1<<CONTROL_EP))
		{
			Inp32(DIEPINT0, ep_int_status);
			
			if (ep_int_status & INTKN_TXFEMP)
				OTGDEV_TransferEp0();
			
			Outp32(DIEPINT0, ep_int_status); // Interrupt Clear
		}
		
		else if (ep_int & ((1<<CONTROL_EP)<<16))
		{
			Inp32(DOEPINT0, ep_int_status);
			
			OTGDEV_SetOutEpXferSize(EP_TYPE_CONTROL, 1, 8);
			Outp32(DOEPCTL0, 0u<<31|1<<26);		//ep0 enable, clear nak
			
			Outp32(DOEPINT0, ep_int_status); 		// Interrupt Clear
		}
	}
	return length;
}

//////////
// Function Name : OTGDEV_HandleEvent_EP0
// Function Desctiption : This function is called when Setup packet is received.
// Input : NONE
// Output : NONE
// Version :
void OTGDEV_HandleEvent_EP0(void)
{
	UINT32 DeviceRequestLength;
	UINT16 i;
	UINT32 ReadBuf[64]={0x0000, };
	UINT16 setaddress;
	UINT32 uRemoteWakeUp=0;


	if (oOtgDev.m_uEp0State == EP0_STATE_INIT)
	{

		for(i=0;i<2;i++)
		{
			ReadBuf[i] = Input32(EP0_FIFO);
		}

		oOtgDev.m_oDeviceRequest.bmRequestType=ReadBuf[0];
		oOtgDev.m_oDeviceRequest.bRequest=ReadBuf[0]>>8;
		oOtgDev.m_oDeviceRequest.wValue_L=ReadBuf[0]>>16;
		oOtgDev.m_oDeviceRequest.wValue_H=ReadBuf[0]>>24;
		oOtgDev.m_oDeviceRequest.wIndex_L=ReadBuf[1];
		oOtgDev.m_oDeviceRequest.wIndex_H=ReadBuf[1]>>8;
		oOtgDev.m_oDeviceRequest.wLength_L=ReadBuf[1]>>16;
		oOtgDev.m_oDeviceRequest.wLength_H=ReadBuf[1]>>24;

//		OTGDEV_PrintEp0Pkt((UINT8 *)&oOtgDev.m_oDeviceRequest, 8);

		if (oOtgDev.m_oDeviceRequest.bmRequestType & 0x60 )
		{ 
			switch ( oOtgDev.m_oDeviceRequest.bRequest )
			{
				case ( SET_CONTROL_LINE_STATE ) :
				{

					/* Host is notifying us of control line state.
					* wValue contains bitmask
					* 0 - DTR
					* 1 - RTS
					*/
					//KITLOutputDebugString("SET_CONTROL_LINE_STATE,  H:%X,L:%X \r\n",g_oDeviceRequest.wValue_H, g_oDeviceRequest.wValue_L);

					if ( oOtgDev.m_oDeviceRequest.wValue_L & 0x01 )
					{
						USBSerInfo.dwModemStatus |= (MS_DSR_ON|MS_RLSD_ON); // DTR active, set DSR/RLSD
					}
					else
					{
						USBSerInfo.dwModemStatus &= ~(MS_DSR_ON|MS_RLSD_ON); // DTR clear, clr DSR/RLSD
					}
					if ( oOtgDev.m_oDeviceRequest.wValue_L & 0x02 )
					{
						USBSerInfo.dwModemStatus |= MS_CTS_ON;   // RTS active, set CTS
					}
					else
					{
						USBSerInfo.dwModemStatus &= ~MS_CTS_ON;  // RTS clear, clear CTS
					}
					if ( USBSerInfo.dwModemStatus != 0 )
					{
						USBSerInfo.dwState = KITLUSBSER_STATE_CONNECTED;
						KITLOutputDebugString("\n KITLUSBSER_STATE_CONNECTED \n"); 							
					}
					else
					{
						USBSerInfo.dwState = KITLUSBSER_STATE_CONFIGURED;
						KITLOutputDebugString("\n KITLUSBSER_STATE_CONFIGURED \n"); 							
					}

				/* Command is complete */
				//  sendDone(0);
				}
				break;

				default:
				{
					//KITLOutputDebugString("Unknown vendor/class request %X\r\n",g_oDeviceRequest.bRequest);
				}
			}
			return;
		}

		switch (oOtgDev.m_oDeviceRequest.bRequest)
		{
			case STANDARD_SET_ADDRESS:
				setaddress = (oOtgDev.m_oDeviceRequest.wValue_L); // Set Address Update bit

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