rclanmtl.c

linux和2410结合开发 用他可以生成2410所需的zImage文件

**
** get promiscuous mode setting
**
** Possible return values placed in pMode:
**  0 = promisuous mode not set
**  1 = promisuous mode is set
**
** =========================================================================
*/
RC_RETURN
RCGetPromiscuousMode (struct net_device * dev, PU32 pMode,
		      PFNWAITCALLBACK WaitCallback)
{
	PU32 pMsg;
	volatile PU32 p32;
	U32 msgOffset, i;
	PPAB pPab = ((PDPA) dev->priv)->pPab;

	msgOffset = pPab->p_atu->InQueue;

	if (msgOffset == 0xFFFFFFFF) {
		dprintk (KERN_WARNING
			"RCGetLinkSpeed(): Inbound Free Q empty!\n");
		return RC_RTN_FREE_Q_EMPTY;
	}

	/* calc virtual address of msg - virtual already mapped to physical */
	pMsg = (PU32) (pPab->pPci45LinBaseAddr + msgOffset);

	/* virtual pointer to return buffer - clear first two dwords */
	p32 = (volatile PU32) pPab->pLinOutMsgBlock;
	p32[0] = 0xff;

	/* setup private message */
	pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
	pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
	pMsg[2] = 0;		/* initiator context */
	pMsg[3] = 0x219;	/* transaction context */
	pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_PROMISCUOUS_MODE;
	/* phys address to return status - area right after PAB */
	pMsg[5] = pPab->outMsgBlockPhyAddr;

	/* post to Inbound Post Q */

	pPab->p_atu->InQueue = msgOffset;

	i = 0;

	/* wait for response */
	while (p32[0] == 0xff) {
		if (i++ > 0xff) {
			dprintk ("Timeout waiting for promiscuous mode\n");
			return RC_RTN_NO_LINK_SPEED;
		}
		udelay(50);
	}

	/* get mode */
	*pMode = (U8) ((volatile PU8) p32)[0] & 0x0f;

	return RC_RTN_NO_ERROR;
}

/*
** =========================================================================
** RCSetBroadcastMode()
**
** Defined values for Mode:
**  0 - turn off promiscuous mode
**  1 - turn on  promiscuous mode
**
** =========================================================================
*/
RC_RETURN
RCSetBroadcastMode (struct net_device * dev, U16 Mode)
{
	U32 off;
	PU32 pMsg;
	PPAB pPab = ((PDPA) dev->priv)->pPab;

	if (pPab == NULL)
		return RC_RTN_ADPTR_NOT_REGISTERED;

	off = pPab->p_atu->InQueue;	/* get addresss of message */

	if (0xFFFFFFFF == off)
		return RC_RTN_FREE_Q_EMPTY;

	pMsg = (PU32) (pPab->pPci45LinBaseAddr + off);

	/* setup private message */
	pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
	pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
	pMsg[2] = 0;		/* initiator context */
	pMsg[3] = 0x219;	/* transaction context */
	pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_SET_BROADCAST_MODE;
	pMsg[5] = Mode;		/* promiscuous mode setting */

	pPab->p_atu->InQueue = off;	/* send it to the device */

	return RC_RTN_NO_ERROR;
}

/*
** =========================================================================
** RCGetBroadcastMode()
**
** get promiscuous mode setting
**
** Possible return values placed in pMode:
**  0 = promisuous mode not set
**  1 = promisuous mode is set
**
** =========================================================================
*/
RC_RETURN
RCGetBroadcastMode (struct net_device * dev, PU32 pMode,
		    PFNWAITCALLBACK WaitCallback)
{
	U32 msgOffset;
	PU32 pMsg;
	volatile PU32 p32;
	PPAB pPab = ((PDPA) dev->priv)->pPab;

	msgOffset = pPab->p_atu->InQueue;

	if (msgOffset == 0xFFFFFFFF) {
		dprintk (KERN_WARNING
			"RCGetLinkSpeed(): Inbound Free Q empty!\n");
		return RC_RTN_FREE_Q_EMPTY;
	}

	/* calc virtual address of msg - virtual already mapped to physical */
	pMsg = (PU32) (pPab->pPci45LinBaseAddr + msgOffset);

	/* virtual pointer to return buffer - clear first two dwords */
	p32 = (volatile PU32) pPab->pLinOutMsgBlock;
	p32[0] = 0xff;

	/* setup private message */
	pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
	pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
	pMsg[2] = 0;		/* initiator context */
	pMsg[3] = 0x219;	/* transaction context */
	pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_BROADCAST_MODE;
	/* phys address to return status - area right after PAB */
	pMsg[5] = pPab->outMsgBlockPhyAddr;

	/* post to Inbound Post Q */

	pPab->p_atu->InQueue = msgOffset;

	/* wait for response */
	if (p32[0] == 0xff) {
		dprintk (KERN_WARNING
			"Timeout waiting for promiscuous mode\n");
		return RC_RTN_NO_LINK_SPEED;
	}

	/* get mode */
	*pMode = (U8) ((volatile PU8) p32)[0] & 0x0f;

	return RC_RTN_NO_ERROR;
}

/*
** =========================================================================
** RCGetLinkSpeed()
**
** get ethernet link speed. 
**
** 0 = Unknown
** 1 = Full Duplex 100BaseT
** 2 = Half duplex 100BaseT
** 3 = Full Duplex  10BaseT
** 4 = Half duplex  10BaseT
**
** =========================================================================
*/
RC_RETURN
RCGetLinkSpeed (struct net_device * dev, PU32 pLinkSpeedCode,
		PFNWAITCALLBACK WaitCallback)
{
	U32 msgOffset, i;
	PU32 pMsg;
	volatile PU32 p32;
	U8 IOPLinkSpeed;
	PPAB pPab = ((PDPA) dev->priv)->pPab;

	msgOffset = pPab->p_atu->InQueue;

	if (msgOffset == 0xFFFFFFFF) {
		dprintk (KERN_WARNING
			"RCGetLinkSpeed(): Inbound Free Q empty!\n");
		return RC_RTN_FREE_Q_EMPTY;
	}

	/* calc virtual address of msg - virtual already mapped to physical */
	pMsg = (PU32) (pPab->pPci45LinBaseAddr + msgOffset);

	/* virtual pointer to return buffer - clear first two dwords */
	p32 = (volatile PU32) pPab->pLinOutMsgBlock;
	p32[0] = 0xff;

	/* setup private message */
	pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
	pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
	pMsg[2] = 0;		/* initiator context */
	pMsg[3] = 0x219;	/* transaction context */
	pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_LINK_SPEED;
	/* phys address to return status - area right after PAB */
	pMsg[5] = pPab->outMsgBlockPhyAddr;

	/* post to Inbound Post Q */

	pPab->p_atu->InQueue = msgOffset;

	/* wait for response */
	i = 0;
	while (p32[0] == 0xff) {
		if (i++ > 0xff) {
			dprintk ("Timeout waiting for link speed\n");
			return RC_RTN_NO_LINK_SPEED;
		}
		udelay(50);
	}
	/* get Link speed */
	IOPLinkSpeed = (U8) ((volatile PU8) p32)[0] & 0x0f;
	*pLinkSpeedCode = IOPLinkSpeed;

	return RC_RTN_NO_ERROR;
}

/*
** =========================================================================
** RCReportDriverCapability(struct net_device *dev, U32 capability)
**
** Currently defined bits:
** WARM_REBOOT_CAPABLE   0x01
**
** =========================================================================
*/
RC_RETURN
RCReportDriverCapability (struct net_device * dev, U32 capability)
{
	U32 off;
	PU32 pMsg;
	PPAB pPab = ((PDPA) dev->priv)->pPab;

	if (pPab == NULL)
		return RC_RTN_ADPTR_NOT_REGISTERED;

	off = pPab->p_atu->InQueue;	/* get addresss of message */

	if (0xFFFFFFFF == off)
		return RC_RTN_FREE_Q_EMPTY;

	pMsg = (PU32) (pPab->pPci45LinBaseAddr + off);

	/* setup private message */
	pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
	pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
	pMsg[2] = 0;		/* initiator context */
	pMsg[3] = 0x219;	/* transaction context */
	pMsg[4] =
	    RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_REPORT_DRIVER_CAPABILITY;
	pMsg[5] = capability;

	pPab->p_atu->InQueue = off;	/* send it to the I2O device */

	return RC_RTN_NO_ERROR;
}

/*
** =========================================================================
** RCGetFirmwareVer()
**
** Return firmware version in the form "SoftwareVersion : Bt BootVersion"
**
** =========================================================================
*/
RC_RETURN
RCGetFirmwareVer (struct net_device * dev, PU8 pFirmString,
		  PFNWAITCALLBACK WaitCallback)
{
	U32 msgOffset, i;
	PU32 pMsg;
	volatile PU32 p32;
	PPAB pPab = ((PDPA) dev->priv)->pPab;

	msgOffset = pPab->p_atu->InQueue;
	if (msgOffset == 0xFFFFFFFF) {
		dprintk ("RCGetFirmwareVer(): Inbound Free Q empty!\n");
		return RC_RTN_FREE_Q_EMPTY;
	}

	/* calc virtual address of msg - virtual already mapped to physical */
	pMsg = (PU32) (pPab->pPci45LinBaseAddr + msgOffset);

	/* virtual pointer to return buffer - clear first two dwords */
	p32 = (volatile PU32) pPab->pLinOutMsgBlock;
	p32[0] = 0xff;

	/* setup private message */
	pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
	pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
	pMsg[2] = 0;		/* initiator context */
	pMsg[3] = 0x219;	/* transaction context */
	pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_FIRMWARE_REV;
	/* phys address to return status - area right after PAB */
	pMsg[5] = pPab->outMsgBlockPhyAddr;

	/* post to Inbound Post Q */

	pPab->p_atu->InQueue = msgOffset;

	/* wait for response */
	i = 0;
	while (p32[0] == 0xff) {
		if (i++ > 0xff) {
			dprintk ("Timeout waiting for link speed\n");
			return RC_RTN_NO_FIRM_VER;
		}
		udelay(50);
	}
	strcpy (pFirmString, (PU8) p32);
	return RC_RTN_NO_ERROR;
}

/*
** =========================================================================
** RCResetLANCard()
**
** ResourceFlags indicates whether to return buffer resource explicitly
** to host or keep and reuse.
** CallbackFunction (if not NULL) is the function to be called when 
** reset is complete.
** If CallbackFunction is NULL, ReturnAddr will have a 1 placed in it when
** reset is done (if not NULL).
**
** =========================================================================
*/
RC_RETURN
RCResetLANCard (struct net_device * dev, U16 ResourceFlags, PU32 ReturnAddr,
		PFNCALLBACK CallbackFunction)
{
	unsigned long off;
	PU32 pMsg;
	PPAB pPab = ((PDPA) dev->priv)->pPab;
	long timeout = 0;

	if (pPab == NULL)
		return RC_RTN_ADPTR_NOT_REGISTERED;

	off = pPab->p_atu->InQueue;	/* get addresss of message */

	if (0xFFFFFFFF == off)
		return RC_RTN_FREE_Q_EMPTY;

	pPab->pCallbackFunc = CallbackFunction;

	pMsg = (PU32) (pPab->pPci45LinBaseAddr + off);

	/* setup message */
	pMsg[0] = FOUR_WORD_MSG_SIZE | SGL_OFFSET_0;
	pMsg[1] = I2O_LAN_RESET << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
	pMsg[2] = DEFAULT_RECV_INIT_CONTEXT;
	pMsg[3] = ResourceFlags << 16;	/* resource flags */

	pPab->p_atu->InQueue = off;	/* send it to the I2O device */

	if (CallbackFunction == (PFNCALLBACK) NULL) {
		/* call RCProcI2OMsgQ() until something in pPab->pCallbackFunc
		   or until timer goes off */
		while (pPab->pCallbackFunc == (PFNCALLBACK) NULL) {
			RCProcI2OMsgQ (dev);
			mdelay (1);
			timeout++;
			if (timeout > 200) {
				break;
			}
		}
		if (ReturnAddr != (PU32) NULL)
			*ReturnAddr = (U32) pPab->pCallbackFunc;
	}

	return RC_RTN_NO_ERROR;
}

/*
** =========================================================================
** RCResetIOP()
**
** Send StatusGet Msg, wait for results return directly to buffer.
**
** =========================================================================
*/
RC_RETURN
RCResetIOP (struct net_device * dev)
{
	U32 msgOffset, i;
	PU32 pMsg;
	PPAB pPab = ((PDPA) dev->priv)->pPab;
	volatile PU32 p32;

	msgOffset = pPab->p_atu->InQueue;

	if (msgOffset == 0xFFFFFFFF) {
		return RC_RTN_FREE_Q_EMPTY;
	}

	/* calc virtual address of msg - virtual already mapped to physical */
	pMsg = (PU32) (pPab->pPci45LinBaseAddr + msgOffset);

	pMsg[0] = NINE_WORD_MSG_SIZE | SGL_OFFSET_0;
	pMsg[1] = I2O_EXEC_IOP_RESET << 24 | I2O_HOST_TID << 12 | I2O_IOP_TID;
	pMsg[2] = 0;		/* universal context */
	pMsg[3] = 0;		/* universal context */
	pMsg[4] = 0;		/* universal context */
	pMsg[5] = 0;		/* universal context */
	/* phys address to return status - area right after PAB */
	pMsg[6] = pPab->outMsgBlockPhyAddr;
	pMsg[7] = 0;
	pMsg[8] = 1;		/*  return 1 byte */

	/* virtual pointer to return buffer - clear first two dwords */
	p32 = (volatile PU32) pPab->pLinOutMsgBlock;
	p32[0] = 0;
	p32[1] = 0;

	/* post to Inbound Post Q */

	pPab->p_atu->InQueue = msgOffset;

	/* wait for response */
	i = 0;
	while (!p32[0] && !p32[1]) {
		if (i++ > 0xff) {
			dprintk ("RCResetIOP timeout\n");
			return RC_RTN_MSG_REPLY_TIMEOUT;
		}
		udelay(100);
	}
	return RC_RTN_NO_ERROR;
}

/*
** =========================================================================
** RCShutdownLANCard()
**
** ResourceFlags indicates whether to return buffer resource explicitly
** to host or keep and reuse.
** CallbackFunction (if not NULL) is the function to be called when 
** shutdown is complete.
** If CallbackFunction is NULL, ReturnAddr will have a 1 placed in it when
** shutdown is done (if not NULL).
**
** =========================================================================
*/
RC_RETURN
RCShutdownLANCard (struct net_device * dev, U16 ResourceFlags,
		   PU32 ReturnAddr, PFNCALLBACK CallbackFunction)
{
	volatile PU32 pMsg;
	U32 off;
	PPAB pPab = ((PDPA) dev->priv)->pPab;
	long timeout = 0;

	if (pPab == NULL)
		return RC_RTN_ADPTR_NOT_REGISTERED;

	off = pPab->p_atu->InQueue;	/* get addresss of message */

	if (0xFFFFFFFF == off)
		return RC_RTN_FREE_Q_EMPTY;

	pPab->pCallbackFunc = CallbackFunction;

	pMsg = (PU32) (pPab->pPci45LinBaseAddr + off);

	/* setup message */
	pMsg[0] = FOUR_WORD_MSG_SIZE | SGL_OFFSET_0;
	pMsg[1] =
	    I2O_LAN_SHUTDOWN << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;