Staging: add Realtek 8192 PCI wireless driver

This wireless driver should work for the Realtek 8192 PCI devices.

It comes directly from Realtek and has been tested to work on at least
one laptop in the wild.

Cc: Anthony Wong <awong1@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 668 insertions, 0 deletions

diff --git a/drivers/staging/rtl8192e/r819xE_firmware.c b/drivers/staging/rtl8192e/r819xE_firmware.c
new file mode 100644
index 000000000000..8046d1b53a0b
--- /dev/null
+++ b/drivers/staging/rtl8192e/r819xE_firmware.c
@@ -0,0 +1,668 @@
+/**************************************************************************************************
+ * Procedure:    Init boot code/firmware code/data session
+ *
+ * Description: This routine will intialize firmware. If any error occurs during the initialization
+ * 		process, the routine shall terminate immediately and return fail.
+ *		NIC driver should call NdisOpenFile only from MiniportInitialize.
+ *
+ * Arguments:   The pointer of the adapter
+
+ * Returns:
+ *        NDIS_STATUS_FAILURE - the following initialization process should be terminated
+ *        NDIS_STATUS_SUCCESS - if firmware initialization process success
+**************************************************************************************************/
+//#include "ieee80211.h"
+#include "r8192E.h"
+#include "r8192E_hw.h"
+#ifdef RTL8190P
+#include "r819xP_firmware_img.h"
+#else
+#include "r819xE_firmware_img.h"
+#endif
+#include "r819xE_firmware.h"
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
+#include <linux/firmware.h>
+#endif
+
+extern void firmware_init_param(struct net_device *dev)
+{
+	struct r8192_priv 	*priv = ieee80211_priv(dev);
+	rt_firmware		*pfirmware = priv->pFirmware;
+
+	pfirmware->cmdpacket_frag_thresold = GET_COMMAND_PACKET_FRAG_THRESHOLD(MAX_TRANSMIT_BUFFER_SIZE);
+}
+
+/*
+ * segment the img and use the ptr and length to remember info on each segment
+ *
+ */
+bool fw_download_code(struct net_device *dev, u8 *code_virtual_address, u32 buffer_len)
+{
+	struct r8192_priv   *priv = ieee80211_priv(dev);
+	bool 		    rt_status = true;
+	u16		    frag_threshold;
+	u16		    frag_length, frag_offset = 0;
+	//u16		    total_size;
+	int		    i;
+
+	rt_firmware	    *pfirmware = priv->pFirmware;
+	struct sk_buff	    *skb;
+	unsigned char	    *seg_ptr;
+	cb_desc		    *tcb_desc;
+	u8                  bLastIniPkt;
+
+	firmware_init_param(dev);
+	//Fragmentation might be required
+	frag_threshold = pfirmware->cmdpacket_frag_thresold;
+	do {
+		if((buffer_len - frag_offset) > frag_threshold) {
+			frag_length = frag_threshold ;
+			bLastIniPkt = 0;
+
+		} else {
+			frag_length = buffer_len - frag_offset;
+			bLastIniPkt = 1;
+
+		}
+
+		/* Allocate skb buffer to contain firmware info and tx descriptor info
+		 * add 4 to avoid packet appending overflow.
+		 * */
+		//skb  = dev_alloc_skb(USB_HWDESC_HEADER_LEN + frag_length + 4);
+		skb  = dev_alloc_skb(frag_length + 4);
+		memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
+		tcb_desc = (cb_desc*)(skb->cb + MAX_DEV_ADDR_SIZE);
+		tcb_desc->queue_index = TXCMD_QUEUE;
+		tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_INIT;
+		tcb_desc->bLastIniPkt = bLastIniPkt;
+
+		//skb_reserve(skb, USB_HWDESC_HEADER_LEN);
+		seg_ptr = skb->data;
+		/*
+		 * Transform from little endian to big endian
+                 * and pending  zero
+		 */
+		for(i=0 ; i < frag_length; i+=4) {
+			*seg_ptr++ = ((i+0)<frag_length)?code_virtual_address[i+3]:0;
+			*seg_ptr++ = ((i+1)<frag_length)?code_virtual_address[i+2]:0;
+			*seg_ptr++ = ((i+2)<frag_length)?code_virtual_address[i+1]:0;
+			*seg_ptr++ = ((i+3)<frag_length)?code_virtual_address[i+0]:0;
+		}
+		tcb_desc->txbuf_size= (u16)i;
+		skb_put(skb, i);
+		priv->ieee80211->softmac_hard_start_xmit(skb,dev);
+
+		code_virtual_address += frag_length;
+		frag_offset += frag_length;
+
+	}while(frag_offset < buffer_len);
+
+	return rt_status;
+
+#if 0
+cmdsend_downloadcode_fail:
+	rt_status = false;
+	RT_TRACE(COMP_ERR, "CmdSendDownloadCode fail !!\n");
+	return rt_status;
+#endif
+}
+
+bool
+fwSendNullPacket(
+	struct net_device *dev,
+	u32			Length
+)
+{
+	bool	rtStatus = true;
+	struct r8192_priv   *priv = ieee80211_priv(dev);
+	struct sk_buff	    *skb;
+	cb_desc		    *tcb_desc;
+	unsigned char	    *ptr_buf;
+	bool	bLastInitPacket = false;
+
+	//PlatformAcquireSpinLock(Adapter, RT_TX_SPINLOCK);
+
+	//Get TCB and local buffer from common pool. (It is shared by CmdQ, MgntQ, and USB coalesce DataQ)
+	skb  = dev_alloc_skb(Length+ 4);
+	memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
+	tcb_desc = (cb_desc*)(skb->cb + MAX_DEV_ADDR_SIZE);
+	tcb_desc->queue_index = TXCMD_QUEUE;
+	tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_INIT;
+	tcb_desc->bLastIniPkt = bLastInitPacket;
+	ptr_buf = skb_put(skb, Length);
+	memset(ptr_buf,0,Length);
+	tcb_desc->txbuf_size= (u16)Length;
+
+	if(!priv->ieee80211->check_nic_enough_desc(dev,tcb_desc->queue_index)||
+			(!skb_queue_empty(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index]))||\
+			(priv->ieee80211->queue_stop) ) {
+			RT_TRACE(COMP_FIRMWARE,"===================NULL packet==================================> tx full!\n");
+			skb_queue_tail(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index], skb);
+		} else {
+			priv->ieee80211->softmac_hard_start_xmit(skb,dev);
+		}
+
+	//PlatformReleaseSpinLock(Adapter, RT_TX_SPINLOCK);
+	return rtStatus;
+}
+
+//-----------------------------------------------------------------------------
+// Procedure:    Check whether main code is download OK. If OK, turn on CPU
+//
+// Description:   CPU register locates in different page against general register.
+//			    Switch to CPU register in the begin and switch back before return
+//
+//
+// Arguments:   The pointer of the adapter
+//
+// Returns:
+//        NDIS_STATUS_FAILURE - the following initialization process should be terminated
+//        NDIS_STATUS_SUCCESS - if firmware initialization process success
+//-----------------------------------------------------------------------------
+bool CPUcheck_maincodeok_turnonCPU(struct net_device *dev)
+{
+	bool		rt_status = true;
+	int		check_putcodeOK_time = 200000, check_bootOk_time = 200000;
+	u32	 	CPU_status = 0;
+
+	/* Check whether put code OK */
+	do {
+		CPU_status = read_nic_dword(dev, CPU_GEN);
+
+		if(CPU_status&CPU_GEN_PUT_CODE_OK)
+			break;
+
+	}while(check_putcodeOK_time--);
+
+	if(!(CPU_status&CPU_GEN_PUT_CODE_OK)) {
+		RT_TRACE(COMP_ERR, "Download Firmware: Put code fail!\n");
+		goto CPUCheckMainCodeOKAndTurnOnCPU_Fail;
+	} else {
+		RT_TRACE(COMP_FIRMWARE, "Download Firmware: Put code ok!\n");
+	}
+
+	/* Turn On CPU */
+	CPU_status = read_nic_dword(dev, CPU_GEN);
+	write_nic_byte(dev, CPU_GEN, (u8)((CPU_status|CPU_GEN_PWR_STB_CPU)&0xff));
+	mdelay(1);
+
+	/* Check whether CPU boot OK */
+	do {
+		CPU_status = read_nic_dword(dev, CPU_GEN);
+
+		if(CPU_status&CPU_GEN_BOOT_RDY)
+			break;
+	}while(check_bootOk_time--);
+
+	if(!(CPU_status&CPU_GEN_BOOT_RDY)) {
+		goto CPUCheckMainCodeOKAndTurnOnCPU_Fail;
+	} else {
+		RT_TRACE(COMP_FIRMWARE, "Download Firmware: Boot ready!\n");
+	}
+
+	return rt_status;
+
+CPUCheckMainCodeOKAndTurnOnCPU_Fail:
+	RT_TRACE(COMP_ERR, "ERR in %s()\n", __FUNCTION__);
+	rt_status = FALSE;
+	return rt_status;
+}
+
+bool CPUcheck_firmware_ready(struct net_device *dev)
+{
+
+	bool		rt_status = true;
+	int		check_time = 200000;
+	u32		CPU_status = 0;
+
+	/* Check Firmware Ready */
+	do {
+		CPU_status = read_nic_dword(dev, CPU_GEN);
+
+		if(CPU_status&CPU_GEN_FIRM_RDY)
+			break;
+
+	}while(check_time--);
+
+	if(!(CPU_status&CPU_GEN_FIRM_RDY))
+		goto CPUCheckFirmwareReady_Fail;
+	else
+		RT_TRACE(COMP_FIRMWARE, "Download Firmware: Firmware ready!\n");
+
+	return rt_status;
+
+CPUCheckFirmwareReady_Fail:
+	RT_TRACE(COMP_ERR, "ERR in %s()\n", __FUNCTION__);
+	rt_status = false;
+	return rt_status;
+
+}
+
+bool init_firmware(struct net_device *dev)
+{
+	struct r8192_priv 	*priv = ieee80211_priv(dev);
+	bool			rt_status = TRUE;
+
+#ifdef RTL8190P
+	u8			*firmware_img_buf[3] = { &rtl8190_fwboot_array[0],
+						   	 &rtl8190_fwmain_array[0],
+						   	 &rtl8190_fwdata_array[0]};
+
+	u32			firmware_img_len[3] = { sizeof(rtl8190_fwboot_array),
+							sizeof(rtl8190_fwmain_array),
+						   	sizeof(rtl8190_fwdata_array)};
+#else
+	u8			*firmware_img_buf[3] = { &rtl8192e_fwboot_array[0],
+						   	 &rtl8192e_fwmain_array[0],
+						   	 &rtl8192e_fwdata_array[0]};
+
+	u32			firmware_img_len[3] = { sizeof(rtl8192e_fwboot_array),
+						   	sizeof(rtl8192e_fwmain_array),
+						   	sizeof(rtl8192e_fwdata_array)};
+#endif
+	u32			file_length = 0;
+	u8			*mapped_file = NULL;
+	u32			init_step = 0;
+	opt_rst_type_e	rst_opt = OPT_SYSTEM_RESET;
+	firmware_init_step_e 	starting_state = FW_INIT_STEP0_BOOT;
+
+	rt_firmware		*pfirmware = priv->pFirmware;
+	const struct firmware 	*fw_entry;
+#ifdef RTL8190P
+	const char *fw_name[3] = { "RTL8190P/boot.img",
+                           "RTL8190P/main.img",
+			   "RTL8190P/data.img"};
+#endif
+#ifdef RTL8192E
+	const char *fw_name[3] = { "RTL8192E/boot.img",
+                           "RTL8192E/main.img",
+			   "RTL8192E/data.img"};
+#endif
+	int rc;
+
+	RT_TRACE(COMP_FIRMWARE, " PlatformInitFirmware()==>\n");
+
+	if (pfirmware->firmware_status == FW_STATUS_0_INIT ) {
+		/* it is called by reset */
+		rst_opt = OPT_SYSTEM_RESET;
+		starting_state = FW_INIT_STEP0_BOOT;
+		// TODO: system reset
+
+	}else if(pfirmware->firmware_status == FW_STATUS_5_READY) {
+		/* it is called by Initialize */
+		rst_opt = OPT_FIRMWARE_RESET;
+		starting_state = FW_INIT_STEP2_DATA;
+	}else {
+		 RT_TRACE(COMP_FIRMWARE, "PlatformInitFirmware: undefined firmware state\n");
+	}
+
+	/*
+	 * Download boot, main, and data image for System reset.
+	 * Download data image for firmware reseta
+	 */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+	priv->firmware_source = FW_SOURCE_HEADER_FILE;
+#else
+	priv->firmware_source = FW_SOURCE_IMG_FILE;
+#endif
+	for(init_step = starting_state; init_step <= FW_INIT_STEP2_DATA; init_step++) {
+		/*
+		 * Open Image file, and map file to contineous memory if open file success.
+		 * or read image file from array. Default load from IMG file
+		 */
+		if(rst_opt == OPT_SYSTEM_RESET) {
+			switch(priv->firmware_source) {
+				case FW_SOURCE_IMG_FILE:
+				{
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
+					if(pfirmware->firmware_buf_size[init_step] == 0) {
+						rc = request_firmware(&fw_entry, fw_name[init_step],&priv->pdev->dev);
+						if(rc < 0 ) {
+							RT_TRACE(COMP_FIRMWARE, "request firmware fail!\n");
+							goto download_firmware_fail;
+						}
+
+						if(fw_entry->size > sizeof(pfirmware->firmware_buf[init_step])) {
+							RT_TRACE(COMP_FIRMWARE, "img file size exceed the container buffer fail!\n");
+							goto download_firmware_fail;
+						}
+
+						if(init_step != FW_INIT_STEP1_MAIN) {
+							memcpy(pfirmware->firmware_buf[init_step],fw_entry->data,fw_entry->size);
+							pfirmware->firmware_buf_size[init_step] = fw_entry->size;
+
+						} else {
+#ifdef RTL8190P
+							memcpy(pfirmware->firmware_buf[init_step],fw_entry->data,fw_entry->size);
+							pfirmware->firmware_buf_size[init_step] = fw_entry->size;
+
+#else
+							memset(pfirmware->firmware_buf[init_step],0,128);
+							memcpy(&pfirmware->firmware_buf[init_step][128],fw_entry->data,fw_entry->size);
+							//mapped_file = pfirmware->firmware_buf[init_step];
+							pfirmware->firmware_buf_size[init_step] = fw_entry->size+128;
+							//file_length = fw_entry->size + 128;
+#endif
+						}
+						//pfirmware->firmware_buf_size = file_length;
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
+						if(rst_opt == OPT_SYSTEM_RESET) {
+							release_firmware(fw_entry);
+						}
+#endif
+					}
+					mapped_file = pfirmware->firmware_buf[init_step];
+					file_length = pfirmware->firmware_buf_size[init_step];
+#endif
+					break;
+				}
+				case FW_SOURCE_HEADER_FILE:
+					mapped_file =  firmware_img_buf[init_step];
+					file_length  = firmware_img_len[init_step];
+					if(init_step == FW_INIT_STEP2_DATA) {
+						memcpy(pfirmware->firmware_buf[init_step], mapped_file, file_length);
+						pfirmware->firmware_buf_size[init_step] = file_length;
+					}
+					break;
+
+				default:
+					break;
+			}
+
+
+		}else if(rst_opt == OPT_FIRMWARE_RESET ) {
+			/* we only need to download data.img here */
+			mapped_file = pfirmware->firmware_buf[init_step];
+			file_length = pfirmware->firmware_buf_size[init_step];
+		}
+
+		/* Download image file */
+		/* The firmware download process is just as following,
+		 * 1. that is each packet will be segmented and inserted to the wait queue.
+		 * 2. each packet segment will be put in the skb_buff packet.
+		 * 3. each skb_buff packet data content will already include the firmware info
+		 *   and Tx descriptor info
+		 * */
+		rt_status = fw_download_code(dev,mapped_file,file_length);
+		if(rt_status != TRUE) {
+			goto download_firmware_fail;
+		}
+
+		switch(init_step) {
+			case FW_INIT_STEP0_BOOT:
+				/* Download boot
+				 * initialize command descriptor.
+				 * will set polling bit when firmware code is also configured
+				 */
+				pfirmware->firmware_status = FW_STATUS_1_MOVE_BOOT_CODE;
+#ifdef RTL8190P
+				// To initialize IMEM, CPU move code  from 0x80000080, hence, we send 0x80 byte packet
+				rt_status = fwSendNullPacket(dev, RTL8190_CPU_START_OFFSET);
+				if(rt_status != true)
+				{
+					RT_TRACE(COMP_INIT, "fwSendNullPacket() fail ! \n");
+					goto  download_firmware_fail;
+				}
+#endif
+				//mdelay(1000);
+				/*
+				 * To initialize IMEM, CPU move code  from 0x80000080,
+				 * hence, we send 0x80 byte packet
+				 */
+				break;
+
+			case FW_INIT_STEP1_MAIN:
+				/* Download firmware code. Wait until Boot Ready and Turn on CPU */
+				pfirmware->firmware_status = FW_STATUS_2_MOVE_MAIN_CODE;
+
+				/* Check Put Code OK and Turn On CPU */
+				rt_status = CPUcheck_maincodeok_turnonCPU(dev);
+				if(rt_status != TRUE) {
+					RT_TRACE(COMP_FIRMWARE, "CPUcheck_maincodeok_turnonCPU fail!\n");
+					goto download_firmware_fail;
+				}
+
+				pfirmware->firmware_status = FW_STATUS_3_TURNON_CPU;
+				break;
+
+			case FW_INIT_STEP2_DATA:
+				/* download initial data code */
+				pfirmware->firmware_status = FW_STATUS_4_MOVE_DATA_CODE;
+				mdelay(1);
+
+				rt_status = CPUcheck_firmware_ready(dev);
+				if(rt_status != TRUE) {
+					RT_TRACE(COMP_FIRMWARE, "CPUcheck_firmware_ready fail(%d)!\n",rt_status);
+					goto download_firmware_fail;
+				}
+
+				/* wait until data code is initialized ready.*/
+				pfirmware->firmware_status = FW_STATUS_5_READY;
+				break;
+		}
+	}
+
+	RT_TRACE(COMP_FIRMWARE, "Firmware Download Success\n");
+	//assert(pfirmware->firmware_status == FW_STATUS_5_READY, ("Firmware Download Fail\n"));
+
+	return rt_status;
+
+download_firmware_fail:
+	RT_TRACE(COMP_ERR, "ERR in %s()\n", __FUNCTION__);
+	rt_status = FALSE;
+	return rt_status;
+
+}
+
+#if 0
+/*
+ * Procedure:   (1)  Transform firmware code from little endian to big endian if required.
+ *	        (2)  Number of bytes in Firmware downloading should be multiple
+ *	   	     of 4 bytes. If length is not multiple of 4 bytes, appending of zeros is required
+ *
+ */
+void CmdAppendZeroAndEndianTransform(
+	u1Byte	*pDst,
+	u1Byte	*pSrc,
+	u2Byte   	*pLength)
+{
+
+	u2Byte	ulAppendBytes = 0, i;
+	u2Byte	ulLength = *pLength;
+
+//test only
+	//memset(pDst, 0xcc, 12);
+
+
+	/* Transform from little endian to big endian */
+//#if DEV_BUS_TYPE==PCI_INTERFACE
+#if 0
+	for( i=0 ; i<(*pLength) ; i+=4)
+	{
+		if((i+3) < (*pLength))	pDst[i+0] = pSrc[i+3];
+		if((i+2) < (*pLength))	pDst[i+1] = pSrc[i+2];
+		if((i+1) < (*pLength))	pDst[i+2] = pSrc[i+1];
+		if((i+0) < (*pLength))	pDst[i+3] = pSrc[i+0];
+	}
+#else
+	pDst += USB_HWDESC_HEADER_LEN;
+	ulLength -= USB_HWDESC_HEADER_LEN;
+
+	for( i=0 ; i<ulLength ; i+=4) {
+		if((i+3) < ulLength)	pDst[i+0] = pSrc[i+3];
+		if((i+2) < ulLength)	pDst[i+1] = pSrc[i+2];
+		if((i+1) < ulLength)	pDst[i+2] = pSrc[i+1];
+		if((i+0) < ulLength)	pDst[i+3] = pSrc[i+0];
+
+	}
+#endif
+
+	//1(2) Append Zero
+	if(  ((*pLength) % 4)  >0)
+	{
+		ulAppendBytes = 4-((*pLength) % 4);
+
+		for(i=0 ; i<ulAppendBytes; i++)
+			pDst[  4*((*pLength)/4)  + i ] = 0x0;
+
+		*pLength += ulAppendBytes;
+	}
+}
+#endif
+
+#if 0
+RT_STATUS
+CmdSendPacket(
+	PADAPTER				Adapter,
+	PRT_TCB					pTcb,
+	PRT_TX_LOCAL_BUFFER 			pBuf,
+	u4Byte					BufferLen,
+	u4Byte					PacketType,
+	BOOLEAN					bLastInitPacket
+	)
+{
+	s2Byte		i;
+	u1Byte		QueueID;
+	u2Byte		firstDesc,curDesc = 0;
+	u2Byte		FragIndex=0, FragBufferIndex=0;
+
+	RT_STATUS	rtStatus = RT_STATUS_SUCCESS;
+
+	CmdInitTCB(Adapter, pTcb, pBuf, BufferLen);
+
+
+	if(CmdCheckFragment(Adapter, pTcb, pBuf))
+		CmdFragmentTCB(Adapter, pTcb);
+	else
+		pTcb->FragLength[0] = (u2Byte)pTcb->BufferList[0].Length;
+
+	QueueID=pTcb->SpecifiedQueueID;
+#if DEV_BUS_TYPE!=USB_INTERFACE
+	firstDesc=curDesc=Adapter->NextTxDescToFill[QueueID];
+#endif
+
+#if DEV_BUS_TYPE!=USB_INTERFACE
+	if(VacancyTxDescNum(Adapter, QueueID) > pTcb->BufferCount)
+#else
+	if(PlatformIsTxQueueAvailable(Adapter, QueueID, pTcb->BufferCount) &&
+		RTIsListEmpty(&Adapter->TcbWaitQueue[QueueID]))
+#endif
+	{
+		pTcb->nDescUsed=0;
+
+		for(i=0 ; i<pTcb->BufferCount ; i++)
+		{
+			Adapter->HalFunc.TxFillCmdDescHandler(
+				Adapter,
+				pTcb,
+				QueueID,							//QueueIndex
+				curDesc,							//index
+				FragBufferIndex==0,						//bFirstSeg
+				FragBufferIndex==(pTcb->FragBufCount[FragIndex]-1),		//bLastSeg
+				pTcb->BufferList[i].VirtualAddress,				//VirtualAddress
+				pTcb->BufferList[i].PhysicalAddressLow,				//PhyAddressLow
+				pTcb->BufferList[i].Length,					//BufferLen
+				i!=0,								//bSetOwnBit
+				(i==(pTcb->BufferCount-1)) && bLastInitPacket,			//bLastInitPacket
+				PacketType,							//DescPacketType
+				pTcb->FragLength[FragIndex]					//PktLen
+				);
+
+			if(FragBufferIndex==(pTcb->FragBufCount[FragIndex]-1))
+			{ // Last segment of the fragment.
+				pTcb->nFragSent++;
+			}
+
+			FragBufferIndex++;
+			if(FragBufferIndex==pTcb->FragBufCount[FragIndex])
+			{
+				FragIndex++;
+				FragBufferIndex=0;
+			}
+
+#if DEV_BUS_TYPE!=USB_INTERFACE
+			curDesc=(curDesc+1)%Adapter->NumTxDesc[QueueID];
+#endif
+			pTcb->nDescUsed++;
+		}
+
+#if DEV_BUS_TYPE!=USB_INTERFACE
+		RTInsertTailList(&Adapter->TcbBusyQueue[QueueID], &pTcb->List);
+		IncrementTxDescToFill(Adapter, QueueID, pTcb->nDescUsed);
+		Adapter->HalFunc.SetTxDescOWNHandler(Adapter, QueueID, firstDesc);
+		// TODO: should call poll use QueueID
+		Adapter->HalFunc.TxPollingHandler(Adapter, TXCMD_QUEUE);
+#endif
+	}
+	else
+#if DEV_BUS_TYPE!=USB_INTERFACE
+		goto CmdSendPacket_Fail;
+#else
+	{
+		pTcb->bLastInitPacket = bLastInitPacket;
+		RTInsertTailList(&Adapter->TcbWaitQueue[pTcb->SpecifiedQueueID], &pTcb->List);
+	}
+#endif
+
+	return rtStatus;
+
+#if DEV_BUS_TYPE!=USB_INTERFACE
+CmdSendPacket_Fail:
+	rtStatus = RT_STATUS_FAILURE;
+	return rtStatus;
+#endif
+
+}
+#endif
+
+
+
+
+#if 0
+RT_STATUS
+FWSendNullPacket(
+	IN	PADAPTER		Adapter,
+	IN	u4Byte			Length
+)
+{
+	RT_STATUS	rtStatus = RT_STATUS_SUCCESS;
+
+
+	PRT_TCB					pTcb;
+	PRT_TX_LOCAL_BUFFER 	pBuf;
+	BOOLEAN					bLastInitPacket = FALSE;
+
+	PlatformAcquireSpinLock(Adapter, RT_TX_SPINLOCK);
+
+#if DEV_BUS_TYPE==USB_INTERFACE
+	Length += USB_HWDESC_HEADER_LEN;
+#endif
+
+	//Get TCB and local buffer from common pool. (It is shared by CmdQ, MgntQ, and USB coalesce DataQ)
+	if(MgntGetBuffer(Adapter, &pTcb, &pBuf))
+	{
+		PlatformZeroMemory(pBuf->Buffer.VirtualAddress, Length);
+		rtStatus = CmdSendPacket(Adapter, pTcb, pBuf, Length, DESC_PACKET_TYPE_INIT, bLastInitPacket);	//0 : always set LastInitPacket to zero
+//#if HAL_CODE_BASE != RTL8190HW
+//		// TODO: for test only
+//		ReturnTCB(Adapter, pTcb, RT_STATUS_SUCCESS);
+//#endif
+		if(rtStatus == RT_STATUS_FAILURE)
+			goto CmdSendNullPacket_Fail;
+	}else
+		goto CmdSendNullPacket_Fail;
+
+	PlatformReleaseSpinLock(Adapter, RT_TX_SPINLOCK);
+	return rtStatus;
+
+
+CmdSendNullPacket_Fail:
+	PlatformReleaseSpinLock(Adapter, RT_TX_SPINLOCK);
+	rtStatus = RT_STATUS_FAILURE;
+	RT_ASSERT(rtStatus == RT_STATUS_SUCCESS, ("CmdSendDownloadCode fail !!\n"));
+	return rtStatus;
+}
+#endif
+
+