Initial import

1 files changed, 1914 insertions, 0 deletions

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
new file mode 100644
index 000000000..15baacb12
--- /dev/null
+++ b/drivers/staging/vt6655/device_main.c
@@ -0,0 +1,1914 @@
+/*
+ * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * File: device_main.c
+ *
+ * Purpose: driver entry for initial, open, close, tx and rx.
+ *
+ * Author: Lyndon Chen
+ *
+ * Date: Jan 8, 2003
+ *
+ * Functions:
+ *
+ *   vt6655_probe - module initial (insmod) driver entry
+ *   vt6655_remove - module remove entry
+ *   vt6655_init_info - device structure resource allocation function
+ *   device_free_info - device structure resource free function
+ *   device_get_pci_info - get allocated pci io/mem resource
+ *   device_print_info - print out resource
+ *   device_intr - interrupt handle function
+ *   device_rx_srv - rx service function
+ *   device_alloc_rx_buf - rx buffer pre-allocated function
+ *   device_free_tx_buf - free tx buffer function
+ *   device_init_rd0_ring- initial rd dma0 ring
+ *   device_init_rd1_ring- initial rd dma1 ring
+ *   device_init_td0_ring- initial tx dma0 ring buffer
+ *   device_init_td1_ring- initial tx dma1 ring buffer
+ *   device_init_registers- initial MAC & BBP & RF internal registers.
+ *   device_init_rings- initial tx/rx ring buffer
+ *   device_free_rings- free all allocated ring buffer
+ *   device_tx_srv- tx interrupt service function
+ *
+ * Revision History:
+ */
+#undef __NO_VERSION__
+
+#include <linux/file.h>
+#include "device.h"
+#include "card.h"
+#include "channel.h"
+#include "baseband.h"
+#include "mac.h"
+#include "power.h"
+#include "rxtx.h"
+#include "dpc.h"
+#include "rf.h"
+#include <linux/delay.h>
+#include <linux/kthread.h>
+#include <linux/slab.h>
+
+/*---------------------  Static Definitions -------------------------*/
+/*
+ * Define module options
+ */
+MODULE_AUTHOR("VIA Networking Technologies, Inc., <lyndonchen@vntek.com.tw>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("VIA Networking Solomon-A/B/G Wireless LAN Adapter Driver");
+
+#define DEVICE_PARAM(N, D)
+
+#define RX_DESC_MIN0     16
+#define RX_DESC_MAX0     128
+#define RX_DESC_DEF0     32
+DEVICE_PARAM(RxDescriptors0, "Number of receive descriptors0");
+
+#define RX_DESC_MIN1     16
+#define RX_DESC_MAX1     128
+#define RX_DESC_DEF1     32
+DEVICE_PARAM(RxDescriptors1, "Number of receive descriptors1");
+
+#define TX_DESC_MIN0     16
+#define TX_DESC_MAX0     128
+#define TX_DESC_DEF0     32
+DEVICE_PARAM(TxDescriptors0, "Number of transmit descriptors0");
+
+#define TX_DESC_MIN1     16
+#define TX_DESC_MAX1     128
+#define TX_DESC_DEF1     64
+DEVICE_PARAM(TxDescriptors1, "Number of transmit descriptors1");
+
+#define INT_WORKS_DEF   20
+#define INT_WORKS_MIN   10
+#define INT_WORKS_MAX   64
+
+DEVICE_PARAM(int_works, "Number of packets per interrupt services");
+
+#define RTS_THRESH_DEF     2347
+
+#define FRAG_THRESH_DEF     2346
+
+#define SHORT_RETRY_MIN     0
+#define SHORT_RETRY_MAX     31
+#define SHORT_RETRY_DEF     8
+
+DEVICE_PARAM(ShortRetryLimit, "Short frame retry limits");
+
+#define LONG_RETRY_MIN     0
+#define LONG_RETRY_MAX     15
+#define LONG_RETRY_DEF     4
+
+DEVICE_PARAM(LongRetryLimit, "long frame retry limits");
+
+/* BasebandType[] baseband type selected
+   0: indicate 802.11a type
+   1: indicate 802.11b type
+   2: indicate 802.11g type
+*/
+#define BBP_TYPE_MIN     0
+#define BBP_TYPE_MAX     2
+#define BBP_TYPE_DEF     2
+
+DEVICE_PARAM(BasebandType, "baseband type");
+
+/*
+ * Static vars definitions
+ */
+static CHIP_INFO chip_info_table[] = {
+	{ VT3253,       "VIA Networking Solomon-A/B/G Wireless LAN Adapter ",
+	  256, 1,     DEVICE_FLAGS_IP_ALIGN|DEVICE_FLAGS_TX_ALIGN },
+	{0, NULL}
+};
+
+static const struct pci_device_id vt6655_pci_id_table[] = {
+	{ PCI_VDEVICE(VIA, 0x3253), (kernel_ulong_t)chip_info_table},
+	{ 0, }
+};
+
+/*---------------------  Static Functions  --------------------------*/
+
+static int  vt6655_probe(struct pci_dev *pcid, const struct pci_device_id *ent);
+static void vt6655_init_info(struct pci_dev *pcid,
+			     struct vnt_private **ppDevice, PCHIP_INFO);
+static void device_free_info(struct vnt_private *pDevice);
+static bool device_get_pci_info(struct vnt_private *, struct pci_dev *pcid);
+static void device_print_info(struct vnt_private *pDevice);
+static  irqreturn_t  device_intr(int irq,  void *dev_instance);
+
+#ifdef CONFIG_PM
+static int device_notify_reboot(struct notifier_block *, unsigned long event, void *ptr);
+static struct notifier_block device_notifier = {
+	.notifier_call = device_notify_reboot,
+	.next = NULL,
+	.priority = 0,
+};
+#endif
+
+static void device_init_rd0_ring(struct vnt_private *pDevice);
+static void device_init_rd1_ring(struct vnt_private *pDevice);
+static void device_init_td0_ring(struct vnt_private *pDevice);
+static void device_init_td1_ring(struct vnt_private *pDevice);
+
+static int  device_rx_srv(struct vnt_private *pDevice, unsigned int uIdx);
+static int  device_tx_srv(struct vnt_private *pDevice, unsigned int uIdx);
+static bool device_alloc_rx_buf(struct vnt_private *pDevice, PSRxDesc pDesc);
+static void device_init_registers(struct vnt_private *pDevice);
+static void device_free_tx_buf(struct vnt_private *pDevice, PSTxDesc pDesc);
+static void device_free_td0_ring(struct vnt_private *pDevice);
+static void device_free_td1_ring(struct vnt_private *pDevice);
+static void device_free_rd0_ring(struct vnt_private *pDevice);
+static void device_free_rd1_ring(struct vnt_private *pDevice);
+static void device_free_rings(struct vnt_private *pDevice);
+
+/*---------------------  Export Variables  --------------------------*/
+
+/*---------------------  Export Functions  --------------------------*/
+
+static char *get_chip_name(int chip_id)
+{
+	int i;
+
+	for (i = 0; chip_info_table[i].name != NULL; i++)
+		if (chip_info_table[i].chip_id == chip_id)
+			break;
+	return chip_info_table[i].name;
+}
+
+static void vt6655_remove(struct pci_dev *pcid)
+{
+	struct vnt_private *pDevice = pci_get_drvdata(pcid);
+
+	if (pDevice == NULL)
+		return;
+	device_free_info(pDevice);
+}
+
+static void device_get_options(struct vnt_private *pDevice)
+{
+	POPTIONS pOpts = &(pDevice->sOpts);
+
+	pOpts->nRxDescs0 = RX_DESC_DEF0;
+	pOpts->nRxDescs1 = RX_DESC_DEF1;
+	pOpts->nTxDescs[0] = TX_DESC_DEF0;
+	pOpts->nTxDescs[1] = TX_DESC_DEF1;
+	pOpts->int_works = INT_WORKS_DEF;
+
+	pOpts->short_retry = SHORT_RETRY_DEF;
+	pOpts->long_retry = LONG_RETRY_DEF;
+	pOpts->bbp_type = BBP_TYPE_DEF;
+}
+
+static void
+device_set_options(struct vnt_private *pDevice)
+{
+	pDevice->byShortRetryLimit = pDevice->sOpts.short_retry;
+	pDevice->byLongRetryLimit = pDevice->sOpts.long_retry;
+	pDevice->byBBType = pDevice->sOpts.bbp_type;
+	pDevice->byPacketType = pDevice->byBBType;
+	pDevice->byAutoFBCtrl = AUTO_FB_0;
+	pDevice->bUpdateBBVGA = true;
+	pDevice->byPreambleType = 0;
+
+	pr_debug(" byShortRetryLimit= %d\n", (int)pDevice->byShortRetryLimit);
+	pr_debug(" byLongRetryLimit= %d\n", (int)pDevice->byLongRetryLimit);
+	pr_debug(" byPreambleType= %d\n", (int)pDevice->byPreambleType);
+	pr_debug(" byShortPreamble= %d\n", (int)pDevice->byShortPreamble);
+	pr_debug(" byBBType= %d\n", (int)pDevice->byBBType);
+}
+
+/*
+ * Initialisation of MAC & BBP registers
+ */
+
+static void device_init_registers(struct vnt_private *pDevice)
+{
+	unsigned long flags;
+	unsigned int ii;
+	unsigned char byValue;
+	unsigned char byCCKPwrdBm = 0;
+	unsigned char byOFDMPwrdBm = 0;
+
+	MACbShutdown(pDevice->PortOffset);
+	BBvSoftwareReset(pDevice);
+
+	/* Do MACbSoftwareReset in MACvInitialize */
+	MACbSoftwareReset(pDevice->PortOffset);
+
+	pDevice->bAES = false;
+
+	/* Only used in 11g type, sync with ERP IE */
+	pDevice->bProtectMode = false;
+
+	pDevice->bNonERPPresent = false;
+	pDevice->bBarkerPreambleMd = false;
+	pDevice->wCurrentRate = RATE_1M;
+	pDevice->byTopOFDMBasicRate = RATE_24M;
+	pDevice->byTopCCKBasicRate = RATE_1M;
+
+	/* Target to IF pin while programming to RF chip. */
+	pDevice->byRevId = 0;
+
+	/* init MAC */
+	MACvInitialize(pDevice->PortOffset);
+
+	/* Get Local ID */
+	VNSvInPortB(pDevice->PortOffset + MAC_REG_LOCALID, &pDevice->byLocalID);
+
+	spin_lock_irqsave(&pDevice->lock, flags);
+
+	SROMvReadAllContents(pDevice->PortOffset, pDevice->abyEEPROM);
+
+	spin_unlock_irqrestore(&pDevice->lock, flags);
+
+	/* Get Channel range */
+	pDevice->byMinChannel = 1;
+	pDevice->byMaxChannel = CB_MAX_CHANNEL;
+
+	/* Get Antena */
+	byValue = SROMbyReadEmbedded(pDevice->PortOffset, EEP_OFS_ANTENNA);
+	if (byValue & EEP_ANTINV)
+		pDevice->bTxRxAntInv = true;
+	else
+		pDevice->bTxRxAntInv = false;
+
+	byValue &= (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN);
+	/* if not set default is All */
+	if (byValue == 0)
+		byValue = (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN);
+
+	if (byValue == (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN)) {
+		pDevice->byAntennaCount = 2;
+		pDevice->byTxAntennaMode = ANT_B;
+		pDevice->dwTxAntennaSel = 1;
+		pDevice->dwRxAntennaSel = 1;
+
+		if (pDevice->bTxRxAntInv)
+			pDevice->byRxAntennaMode = ANT_A;
+		else
+			pDevice->byRxAntennaMode = ANT_B;
+	} else  {
+		pDevice->byAntennaCount = 1;
+		pDevice->dwTxAntennaSel = 0;
+		pDevice->dwRxAntennaSel = 0;
+
+		if (byValue & EEP_ANTENNA_AUX) {
+			pDevice->byTxAntennaMode = ANT_A;
+
+			if (pDevice->bTxRxAntInv)
+				pDevice->byRxAntennaMode = ANT_B;
+			else
+				pDevice->byRxAntennaMode = ANT_A;
+		} else {
+			pDevice->byTxAntennaMode = ANT_B;
+
+			if (pDevice->bTxRxAntInv)
+				pDevice->byRxAntennaMode = ANT_A;
+			else
+				pDevice->byRxAntennaMode = ANT_B;
+		}
+	}
+
+	/* Set initial antenna mode */
+	BBvSetTxAntennaMode(pDevice, pDevice->byTxAntennaMode);
+	BBvSetRxAntennaMode(pDevice, pDevice->byRxAntennaMode);
+
+	/* zonetype initial */
+	pDevice->byOriginalZonetype = pDevice->abyEEPROM[EEP_OFS_ZONETYPE];
+
+	if (!pDevice->bZoneRegExist)
+		pDevice->byZoneType = pDevice->abyEEPROM[EEP_OFS_ZONETYPE];
+
+	pr_debug("pDevice->byZoneType = %x\n", pDevice->byZoneType);
+
+	/* Init RF module */
+	RFbInit(pDevice);
+
+	/* Get Desire Power Value */
+	pDevice->byCurPwr = 0xFF;
+	pDevice->byCCKPwr = SROMbyReadEmbedded(pDevice->PortOffset, EEP_OFS_PWR_CCK);
+	pDevice->byOFDMPwrG = SROMbyReadEmbedded(pDevice->PortOffset, EEP_OFS_PWR_OFDMG);
+
+	/* Load power Table */
+	for (ii = 0; ii < CB_MAX_CHANNEL_24G; ii++) {
+		pDevice->abyCCKPwrTbl[ii + 1] =
+			SROMbyReadEmbedded(pDevice->PortOffset,
+					   (unsigned char)(ii + EEP_OFS_CCK_PWR_TBL));
+		if (pDevice->abyCCKPwrTbl[ii + 1] == 0)
+			pDevice->abyCCKPwrTbl[ii+1] = pDevice->byCCKPwr;
+
+		pDevice->abyOFDMPwrTbl[ii + 1] =
+			SROMbyReadEmbedded(pDevice->PortOffset,
+					   (unsigned char)(ii + EEP_OFS_OFDM_PWR_TBL));
+		if (pDevice->abyOFDMPwrTbl[ii + 1] == 0)
+			pDevice->abyOFDMPwrTbl[ii + 1] = pDevice->byOFDMPwrG;
+
+		pDevice->abyCCKDefaultPwr[ii + 1] = byCCKPwrdBm;
+		pDevice->abyOFDMDefaultPwr[ii + 1] = byOFDMPwrdBm;
+	}
+
+	/* recover 12,13 ,14channel for EUROPE by 11 channel */
+	for (ii = 11; ii < 14; ii++) {
+		pDevice->abyCCKPwrTbl[ii] = pDevice->abyCCKPwrTbl[10];
+		pDevice->abyOFDMPwrTbl[ii] = pDevice->abyOFDMPwrTbl[10];
+	}
+
+	/* Load OFDM A Power Table */
+	for (ii = 0; ii < CB_MAX_CHANNEL_5G; ii++) {
+		pDevice->abyOFDMPwrTbl[ii + CB_MAX_CHANNEL_24G + 1] =
+			SROMbyReadEmbedded(pDevice->PortOffset,
+					   (unsigned char)(ii + EEP_OFS_OFDMA_PWR_TBL));
+
+		pDevice->abyOFDMDefaultPwr[ii + CB_MAX_CHANNEL_24G + 1] =
+			SROMbyReadEmbedded(pDevice->PortOffset,
+					   (unsigned char)(ii + EEP_OFS_OFDMA_PWR_dBm));
+	}
+
+	if (pDevice->byLocalID > REV_ID_VT3253_B1) {
+		MACvSelectPage1(pDevice->PortOffset);
+
+		VNSvOutPortB(pDevice->PortOffset + MAC_REG_MSRCTL + 1,
+			     (MSRCTL1_TXPWR | MSRCTL1_CSAPAREN));
+
+		MACvSelectPage0(pDevice->PortOffset);
+	}
+
+	/* use relative tx timeout and 802.11i D4 */
+	MACvWordRegBitsOn(pDevice->PortOffset,
+			  MAC_REG_CFG, (CFG_TKIPOPT | CFG_NOTXTIMEOUT));
+
+	/* set performance parameter by registry */
+	MACvSetShortRetryLimit(pDevice->PortOffset, pDevice->byShortRetryLimit);
+	MACvSetLongRetryLimit(pDevice->PortOffset, pDevice->byLongRetryLimit);
+
+	/* reset TSF counter */
+	VNSvOutPortB(pDevice->PortOffset + MAC_REG_TFTCTL, TFTCTL_TSFCNTRST);
+	/* enable TSF counter */
+	VNSvOutPortB(pDevice->PortOffset + MAC_REG_TFTCTL, TFTCTL_TSFCNTREN);
+
+	/* initialize BBP registers */
+	BBbVT3253Init(pDevice);
+
+	if (pDevice->bUpdateBBVGA) {
+		pDevice->byBBVGACurrent = pDevice->abyBBVGA[0];
+		pDevice->byBBVGANew = pDevice->byBBVGACurrent;
+		BBvSetVGAGainOffset(pDevice, pDevice->abyBBVGA[0]);
+	}
+
+	BBvSetRxAntennaMode(pDevice, pDevice->byRxAntennaMode);
+	BBvSetTxAntennaMode(pDevice, pDevice->byTxAntennaMode);
+
+	/* Set BB and packet type at the same time. */
+	/* Set Short Slot Time, xIFS, and RSPINF. */
+	pDevice->wCurrentRate = RATE_54M;
+
+	pDevice->bRadioOff = false;
+
+	pDevice->byRadioCtl = SROMbyReadEmbedded(pDevice->PortOffset,
+						 EEP_OFS_RADIOCTL);
+	pDevice->bHWRadioOff = false;
+
+	if (pDevice->byRadioCtl & EEP_RADIOCTL_ENABLE) {
+		/* Get GPIO */
+		MACvGPIOIn(pDevice->PortOffset, &pDevice->byGPIO);
+
+		if (((pDevice->byGPIO & GPIO0_DATA) &&
+		     !(pDevice->byRadioCtl & EEP_RADIOCTL_INV)) ||
+		     (!(pDevice->byGPIO & GPIO0_DATA) &&
+		     (pDevice->byRadioCtl & EEP_RADIOCTL_INV)))
+			pDevice->bHWRadioOff = true;
+	}
+
+	if (pDevice->bHWRadioOff || pDevice->bRadioControlOff)
+		CARDbRadioPowerOff(pDevice);
+
+	/* get Permanent network address */
+	SROMvReadEtherAddress(pDevice->PortOffset, pDevice->abyCurrentNetAddr);
+	pr_debug("Network address = %pM\n", pDevice->abyCurrentNetAddr);
+
+	/* reset Tx pointer */
+	CARDvSafeResetRx(pDevice);
+	/* reset Rx pointer */
+	CARDvSafeResetTx(pDevice);
+
+	if (pDevice->byLocalID <= REV_ID_VT3253_A1)
+		MACvRegBitsOn(pDevice->PortOffset, MAC_REG_RCR, RCR_WPAERR);
+
+	/* Turn On Rx DMA */
+	MACvReceive0(pDevice->PortOffset);
+	MACvReceive1(pDevice->PortOffset);
+
+	/* start the adapter */
+	MACvStart(pDevice->PortOffset);
+}
+
+static void device_print_info(struct vnt_private *pDevice)
+{
+	dev_info(&pDevice->pcid->dev, "%s\n", get_chip_name(pDevice->chip_id));
+
+	dev_info(&pDevice->pcid->dev, "MAC=%pM IO=0x%lx Mem=0x%lx IRQ=%d\n",
+		 pDevice->abyCurrentNetAddr, (unsigned long)pDevice->ioaddr,
+		 (unsigned long)pDevice->PortOffset, pDevice->pcid->irq);
+}
+
+static void vt6655_init_info(struct pci_dev *pcid,
+			     struct vnt_private **ppDevice,
+			     PCHIP_INFO pChip_info)
+{
+	memset(*ppDevice, 0, sizeof(**ppDevice));
+
+	(*ppDevice)->pcid = pcid;
+	(*ppDevice)->chip_id = pChip_info->chip_id;
+	(*ppDevice)->io_size = pChip_info->io_size;
+	(*ppDevice)->nTxQueues = pChip_info->nTxQueue;
+	(*ppDevice)->multicast_limit = 32;
+
+	spin_lock_init(&((*ppDevice)->lock));
+}
+
+static bool device_get_pci_info(struct vnt_private *pDevice,
+				struct pci_dev *pcid)
+{
+	u16 pci_cmd;
+	u8  b;
+	unsigned int cis_addr;
+
+	pci_read_config_byte(pcid, PCI_REVISION_ID, &pDevice->byRevId);
+	pci_read_config_word(pcid, PCI_SUBSYSTEM_ID, &pDevice->SubSystemID);
+	pci_read_config_word(pcid, PCI_SUBSYSTEM_VENDOR_ID, &pDevice->SubVendorID);
+	pci_read_config_word(pcid, PCI_COMMAND, (u16 *)&(pci_cmd));
+
+	pci_set_master(pcid);
+
+	pDevice->memaddr = pci_resource_start(pcid, 0);
+	pDevice->ioaddr = pci_resource_start(pcid, 1);
+
+	cis_addr = pci_resource_start(pcid, 2);
+
+	pDevice->pcid = pcid;
+
+	pci_read_config_byte(pcid, PCI_COMMAND, &b);
+	pci_write_config_byte(pcid, PCI_COMMAND, (b|PCI_COMMAND_MASTER));
+
+	return true;
+}
+
+static void device_free_info(struct vnt_private *pDevice)
+{
+	if (!pDevice)
+		return;
+
+	if (pDevice->mac_hw)
+		ieee80211_unregister_hw(pDevice->hw);
+
+	if (pDevice->PortOffset)
+		iounmap(pDevice->PortOffset);
+
+	if (pDevice->pcid)
+		pci_release_regions(pDevice->pcid);
+
+	if (pDevice->hw)
+		ieee80211_free_hw(pDevice->hw);
+}
+
+static bool device_init_rings(struct vnt_private *pDevice)
+{
+	void *vir_pool;
+
+	/*allocate all RD/TD rings a single pool*/
+	vir_pool = dma_zalloc_coherent(&pDevice->pcid->dev,
+					 pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc) +
+					 pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc) +
+					 pDevice->sOpts.nTxDescs[0] * sizeof(STxDesc) +
+					 pDevice->sOpts.nTxDescs[1] * sizeof(STxDesc),
+					 &pDevice->pool_dma, GFP_ATOMIC);
+	if (vir_pool == NULL) {
+		dev_err(&pDevice->pcid->dev, "allocate desc dma memory failed\n");
+		return false;
+	}
+
+	pDevice->aRD0Ring = vir_pool;
+	pDevice->aRD1Ring = vir_pool +
+		pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc);
+
+	pDevice->rd0_pool_dma = pDevice->pool_dma;
+	pDevice->rd1_pool_dma = pDevice->rd0_pool_dma +
+		pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc);
+
+	pDevice->tx0_bufs = dma_zalloc_coherent(&pDevice->pcid->dev,
+						  pDevice->sOpts.nTxDescs[0] * PKT_BUF_SZ +
+						  pDevice->sOpts.nTxDescs[1] * PKT_BUF_SZ +
+						  CB_BEACON_BUF_SIZE +
+						  CB_MAX_BUF_SIZE,
+						  &pDevice->tx_bufs_dma0,
+						  GFP_ATOMIC);
+	if (pDevice->tx0_bufs == NULL) {
+		dev_err(&pDevice->pcid->dev, "allocate buf dma memory failed\n");
+
+		dma_free_coherent(&pDevice->pcid->dev,
+				    pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc) +
+				    pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc) +
+				    pDevice->sOpts.nTxDescs[0] * sizeof(STxDesc) +
+				    pDevice->sOpts.nTxDescs[1] * sizeof(STxDesc),
+				    vir_pool, pDevice->pool_dma
+			);
+		return false;
+	}
+
+	pDevice->td0_pool_dma = pDevice->rd1_pool_dma +
+		pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc);
+
+	pDevice->td1_pool_dma = pDevice->td0_pool_dma +
+		pDevice->sOpts.nTxDescs[0] * sizeof(STxDesc);
+
+	/* vir_pool: pvoid type */
+	pDevice->apTD0Rings = vir_pool
+		+ pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc)
+		+ pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc);
+
+	pDevice->apTD1Rings = vir_pool
+		+ pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc)
+		+ pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc)
+		+ pDevice->sOpts.nTxDescs[0] * sizeof(STxDesc);
+
+	pDevice->tx1_bufs = pDevice->tx0_bufs +
+		pDevice->sOpts.nTxDescs[0] * PKT_BUF_SZ;
+
+	pDevice->tx_beacon_bufs = pDevice->tx1_bufs +
+		pDevice->sOpts.nTxDescs[1] * PKT_BUF_SZ;
+
+	pDevice->pbyTmpBuff = pDevice->tx_beacon_bufs +
+		CB_BEACON_BUF_SIZE;
+
+	pDevice->tx_bufs_dma1 = pDevice->tx_bufs_dma0 +
+		pDevice->sOpts.nTxDescs[0] * PKT_BUF_SZ;
+
+	pDevice->tx_beacon_dma = pDevice->tx_bufs_dma1 +
+		pDevice->sOpts.nTxDescs[1] * PKT_BUF_SZ;
+
+	return true;
+}
+
+static void device_free_rings(struct vnt_private *pDevice)
+{
+	dma_free_coherent(&pDevice->pcid->dev,
+			    pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc) +
+			    pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc) +
+			    pDevice->sOpts.nTxDescs[0] * sizeof(STxDesc) +
+			    pDevice->sOpts.nTxDescs[1] * sizeof(STxDesc)
+			    ,
+			    pDevice->aRD0Ring, pDevice->pool_dma
+		);
+
+	if (pDevice->tx0_bufs)
+		dma_free_coherent(&pDevice->pcid->dev,
+				    pDevice->sOpts.nTxDescs[0] * PKT_BUF_SZ +
+				    pDevice->sOpts.nTxDescs[1] * PKT_BUF_SZ +
+				    CB_BEACON_BUF_SIZE +
+				    CB_MAX_BUF_SIZE,
+				    pDevice->tx0_bufs, pDevice->tx_bufs_dma0
+			);
+}
+
+static void device_init_rd0_ring(struct vnt_private *pDevice)
+{
+	int i;
+	dma_addr_t      curr = pDevice->rd0_pool_dma;
+	PSRxDesc        pDesc;
+
+	/* Init the RD0 ring entries */
+	for (i = 0; i < pDevice->sOpts.nRxDescs0; i ++, curr += sizeof(SRxDesc)) {
+		pDesc = &(pDevice->aRD0Ring[i]);
+		pDesc->pRDInfo = alloc_rd_info();
+		ASSERT(pDesc->pRDInfo);
+		if (!device_alloc_rx_buf(pDevice, pDesc))
+			dev_err(&pDevice->pcid->dev, "can not alloc rx bufs\n");
+
+		pDesc->next = &(pDevice->aRD0Ring[(i+1) % pDevice->sOpts.nRxDescs0]);
+		pDesc->pRDInfo->curr_desc = cpu_to_le32(curr);
+		pDesc->next_desc = cpu_to_le32(curr + sizeof(SRxDesc));
+	}
+
+	if (i > 0)
+		pDevice->aRD0Ring[i-1].next_desc = cpu_to_le32(pDevice->rd0_pool_dma);
+	pDevice->pCurrRD[0] = &(pDevice->aRD0Ring[0]);
+}
+
+static void device_init_rd1_ring(struct vnt_private *pDevice)
+{
+	int i;
+	dma_addr_t      curr = pDevice->rd1_pool_dma;
+	PSRxDesc        pDesc;
+
+	/* Init the RD1 ring entries */
+	for (i = 0; i < pDevice->sOpts.nRxDescs1; i ++, curr += sizeof(SRxDesc)) {
+		pDesc = &(pDevice->aRD1Ring[i]);
+		pDesc->pRDInfo = alloc_rd_info();
+		ASSERT(pDesc->pRDInfo);
+		if (!device_alloc_rx_buf(pDevice, pDesc))
+			dev_err(&pDevice->pcid->dev, "can not alloc rx bufs\n");
+
+		pDesc->next = &(pDevice->aRD1Ring[(i+1) % pDevice->sOpts.nRxDescs1]);
+		pDesc->pRDInfo->curr_desc = cpu_to_le32(curr);
+		pDesc->next_desc = cpu_to_le32(curr + sizeof(SRxDesc));
+	}
+
+	if (i > 0)
+		pDevice->aRD1Ring[i-1].next_desc = cpu_to_le32(pDevice->rd1_pool_dma);
+	pDevice->pCurrRD[1] = &(pDevice->aRD1Ring[0]);
+}
+
+static void device_free_rd0_ring(struct vnt_private *pDevice)
+{
+	int i;
+
+	for (i = 0; i < pDevice->sOpts.nRxDescs0; i++) {
+		PSRxDesc        pDesc = &(pDevice->aRD0Ring[i]);
+		PDEVICE_RD_INFO  pRDInfo = pDesc->pRDInfo;
+
+		dma_unmap_single(&pDevice->pcid->dev, pRDInfo->skb_dma,
+				 pDevice->rx_buf_sz, DMA_FROM_DEVICE);
+
+		dev_kfree_skb(pRDInfo->skb);
+
+		kfree(pDesc->pRDInfo);
+	}
+}
+
+static void device_free_rd1_ring(struct vnt_private *pDevice)
+{
+	int i;
+
+	for (i = 0; i < pDevice->sOpts.nRxDescs1; i++) {
+		PSRxDesc        pDesc = &(pDevice->aRD1Ring[i]);
+		PDEVICE_RD_INFO  pRDInfo = pDesc->pRDInfo;
+
+		dma_unmap_single(&pDevice->pcid->dev, pRDInfo->skb_dma,
+				 pDevice->rx_buf_sz, DMA_FROM_DEVICE);
+
+		dev_kfree_skb(pRDInfo->skb);
+
+		kfree(pDesc->pRDInfo);
+	}
+}
+
+static void device_init_td0_ring(struct vnt_private *pDevice)
+{
+	int i;
+	dma_addr_t  curr;
+	PSTxDesc        pDesc;
+
+	curr = pDevice->td0_pool_dma;
+	for (i = 0; i < pDevice->sOpts.nTxDescs[0]; i++, curr += sizeof(STxDesc)) {
+		pDesc = &(pDevice->apTD0Rings[i]);
+		pDesc->pTDInfo = alloc_td_info();
+		ASSERT(pDesc->pTDInfo);
+		if (pDevice->flags & DEVICE_FLAGS_TX_ALIGN) {
+			pDesc->pTDInfo->buf = pDevice->tx0_bufs + (i)*PKT_BUF_SZ;
+			pDesc->pTDInfo->buf_dma = pDevice->tx_bufs_dma0 + (i)*PKT_BUF_SZ;
+		}
+		pDesc->next = &(pDevice->apTD0Rings[(i+1) % pDevice->sOpts.nTxDescs[0]]);
+		pDesc->pTDInfo->curr_desc = cpu_to_le32(curr);
+		pDesc->next_desc = cpu_to_le32(curr+sizeof(STxDesc));
+	}
+
+	if (i > 0)
+		pDevice->apTD0Rings[i-1].next_desc = cpu_to_le32(pDevice->td0_pool_dma);
+	pDevice->apTailTD[0] = pDevice->apCurrTD[0] = &(pDevice->apTD0Rings[0]);
+}
+
+static void device_init_td1_ring(struct vnt_private *pDevice)
+{
+	int i;
+	dma_addr_t  curr;
+	PSTxDesc    pDesc;
+
+	/* Init the TD ring entries */
+	curr = pDevice->td1_pool_dma;
+	for (i = 0; i < pDevice->sOpts.nTxDescs[1]; i++, curr += sizeof(STxDesc)) {
+		pDesc = &(pDevice->apTD1Rings[i]);
+		pDesc->pTDInfo = alloc_td_info();
+		ASSERT(pDesc->pTDInfo);
+		if (pDevice->flags & DEVICE_FLAGS_TX_ALIGN) {
+			pDesc->pTDInfo->buf = pDevice->tx1_bufs + (i) * PKT_BUF_SZ;
+			pDesc->pTDInfo->buf_dma = pDevice->tx_bufs_dma1 + (i) * PKT_BUF_SZ;
+		}
+		pDesc->next = &(pDevice->apTD1Rings[(i + 1) % pDevice->sOpts.nTxDescs[1]]);
+		pDesc->pTDInfo->curr_desc = cpu_to_le32(curr);
+		pDesc->next_desc = cpu_to_le32(curr+sizeof(STxDesc));
+	}
+
+	if (i > 0)
+		pDevice->apTD1Rings[i-1].next_desc = cpu_to_le32(pDevice->td1_pool_dma);
+	pDevice->apTailTD[1] = pDevice->apCurrTD[1] = &(pDevice->apTD1Rings[0]);
+}
+
+static void device_free_td0_ring(struct vnt_private *pDevice)
+{
+	int i;
+
+	for (i = 0; i < pDevice->sOpts.nTxDescs[0]; i++) {
+		PSTxDesc        pDesc = &(pDevice->apTD0Rings[i]);
+		PDEVICE_TD_INFO  pTDInfo = pDesc->pTDInfo;
+
+		if (pTDInfo->skb_dma && (pTDInfo->skb_dma != pTDInfo->buf_dma))
+			dma_unmap_single(&pDevice->pcid->dev, pTDInfo->skb_dma,
+					 pTDInfo->skb->len, DMA_TO_DEVICE);
+
+		if (pTDInfo->skb)
+			dev_kfree_skb(pTDInfo->skb);
+
+		kfree(pDesc->pTDInfo);
+	}
+}
+
+static void device_free_td1_ring(struct vnt_private *pDevice)
+{
+	int i;
+
+	for (i = 0; i < pDevice->sOpts.nTxDescs[1]; i++) {
+		PSTxDesc        pDesc = &(pDevice->apTD1Rings[i]);
+		PDEVICE_TD_INFO  pTDInfo = pDesc->pTDInfo;
+
+		if (pTDInfo->skb_dma && (pTDInfo->skb_dma != pTDInfo->buf_dma))
+			dma_unmap_single(&pDevice->pcid->dev, pTDInfo->skb_dma,
+					 pTDInfo->skb->len, DMA_TO_DEVICE);
+
+		if (pTDInfo->skb)
+			dev_kfree_skb(pTDInfo->skb);
+
+		kfree(pDesc->pTDInfo);
+	}
+}
+
+/*-----------------------------------------------------------------*/
+
+static int device_rx_srv(struct vnt_private *pDevice, unsigned int uIdx)
+{
+	PSRxDesc    pRD;
+	int works = 0;
+
+	for (pRD = pDevice->pCurrRD[uIdx];
+	     pRD->m_rd0RD0.f1Owner == OWNED_BY_HOST;
+	     pRD = pRD->next) {
+		if (works++ > 15)
+			break;
+
+		if (!pRD->pRDInfo->skb)
+			break;
+
+		if (vnt_receive_frame(pDevice, pRD)) {
+			if (!device_alloc_rx_buf(pDevice, pRD)) {
+				dev_err(&pDevice->pcid->dev,
+					"can not allocate rx buf\n");
+				break;
+			}
+		}
+		pRD->m_rd0RD0.f1Owner = OWNED_BY_NIC;
+	}
+
+	pDevice->pCurrRD[uIdx] = pRD;
+
+	return works;
+}
+
+static bool device_alloc_rx_buf(struct vnt_private *pDevice, PSRxDesc pRD)
+{
+	PDEVICE_RD_INFO pRDInfo = pRD->pRDInfo;
+
+	pRDInfo->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
+	if (pRDInfo->skb == NULL)
+		return false;
+	ASSERT(pRDInfo->skb);
+
+	pRDInfo->skb_dma =
+		dma_map_single(&pDevice->pcid->dev,
+			       skb_put(pRDInfo->skb, skb_tailroom(pRDInfo->skb)),
+			       pDevice->rx_buf_sz, DMA_FROM_DEVICE);
+
+	*((unsigned int *)&(pRD->m_rd0RD0)) = 0; /* FIX cast */
+
+	pRD->m_rd0RD0.wResCount = cpu_to_le16(pDevice->rx_buf_sz);
+	pRD->m_rd0RD0.f1Owner = OWNED_BY_NIC;
+	pRD->m_rd1RD1.wReqCount = cpu_to_le16(pDevice->rx_buf_sz);
+	pRD->buff_addr = cpu_to_le32(pRDInfo->skb_dma);
+
+	return true;
+}
+
+static const u8 fallback_rate0[5][5] = {
+	{RATE_18M, RATE_18M, RATE_12M, RATE_12M, RATE_12M},
+	{RATE_24M, RATE_24M, RATE_18M, RATE_12M, RATE_12M},
+	{RATE_36M, RATE_36M, RATE_24M, RATE_18M, RATE_18M},
+	{RATE_48M, RATE_48M, RATE_36M, RATE_24M, RATE_24M},
+	{RATE_54M, RATE_54M, RATE_48M, RATE_36M, RATE_36M}
+};
+
+static const u8 fallback_rate1[5][5] = {
+	{RATE_18M, RATE_18M, RATE_12M, RATE_6M, RATE_6M},
+	{RATE_24M, RATE_24M, RATE_18M, RATE_6M, RATE_6M},
+	{RATE_36M, RATE_36M, RATE_24M, RATE_12M, RATE_12M},
+	{RATE_48M, RATE_48M, RATE_24M, RATE_12M, RATE_12M},
+	{RATE_54M, RATE_54M, RATE_36M, RATE_18M, RATE_18M}
+};
+
+static int vnt_int_report_rate(struct vnt_private *priv,
+			       PDEVICE_TD_INFO context, u8 tsr0, u8 tsr1)
+{
+	struct vnt_tx_fifo_head *fifo_head;
+	struct ieee80211_tx_info *info;
+	struct ieee80211_rate *rate;
+	u16 fb_option;
+	u8 tx_retry = (tsr0 & TSR0_NCR);
+	s8 idx;
+
+	if (!context)
+		return -ENOMEM;
+
+	if (!context->skb)
+		return -EINVAL;
+
+	fifo_head = (struct vnt_tx_fifo_head *)context->buf;
+	fb_option = (le16_to_cpu(fifo_head->fifo_ctl) &
+			(FIFOCTL_AUTO_FB_0 | FIFOCTL_AUTO_FB_1));
+
+	info = IEEE80211_SKB_CB(context->skb);
+	idx = info->control.rates[0].idx;
+
+	if (fb_option && !(tsr1 & TSR1_TERR)) {
+		u8 tx_rate;
+		u8 retry = tx_retry;
+
+		rate = ieee80211_get_tx_rate(priv->hw, info);
+		tx_rate = rate->hw_value - RATE_18M;
+
+		if (retry > 4)
+			retry = 4;
+
+		if (fb_option & FIFOCTL_AUTO_FB_0)
+			tx_rate = fallback_rate0[tx_rate][retry];
+		else if (fb_option & FIFOCTL_AUTO_FB_1)
+			tx_rate = fallback_rate1[tx_rate][retry];
+
+		if (info->band == IEEE80211_BAND_5GHZ)
+			idx = tx_rate - RATE_6M;
+		else
+			idx = tx_rate;
+	}
+
+	ieee80211_tx_info_clear_status(info);
+
+	info->status.rates[0].count = tx_retry;
+
+	if (!(tsr1 & TSR1_TERR)) {
+		info->status.rates[0].idx = idx;
+
+		if (info->flags & IEEE80211_TX_CTL_NO_ACK)
+			info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
+		else
+			info->flags |= IEEE80211_TX_STAT_ACK;
+	}
+
+	return 0;
+}
+
+static int device_tx_srv(struct vnt_private *pDevice, unsigned int uIdx)
+{
+	PSTxDesc                 pTD;
+	int                      works = 0;
+	unsigned char byTsr0;
+	unsigned char byTsr1;
+
+	for (pTD = pDevice->apTailTD[uIdx]; pDevice->iTDUsed[uIdx] > 0; pTD = pTD->next) {
+		if (pTD->m_td0TD0.f1Owner == OWNED_BY_NIC)
+			break;
+		if (works++ > 15)
+			break;
+
+		byTsr0 = pTD->m_td0TD0.byTSR0;
+		byTsr1 = pTD->m_td0TD0.byTSR1;
+
+		/* Only the status of first TD in the chain is correct */
+		if (pTD->m_td1TD1.byTCR & TCR_STP) {
+			if ((pTD->pTDInfo->byFlags & TD_FLAGS_NETIF_SKB) != 0) {
+				if (!(byTsr1 & TSR1_TERR)) {
+					if (byTsr0 != 0) {
+						pr_debug(" Tx[%d] OK but has error. tsr1[%02X] tsr0[%02X]\n",
+							 (int)uIdx, byTsr1,
+							 byTsr0);
+					}
+				} else {
+					pr_debug(" Tx[%d] dropped & tsr1[%02X] tsr0[%02X]\n",
+						 (int)uIdx, byTsr1, byTsr0);
+				}
+			}
+
+			if (byTsr1 & TSR1_TERR) {
+				if ((pTD->pTDInfo->byFlags & TD_FLAGS_PRIV_SKB) != 0) {
+					pr_debug(" Tx[%d] fail has error. tsr1[%02X] tsr0[%02X]\n",
+						 (int)uIdx, byTsr1, byTsr0);
+				}
+			}
+
+			vnt_int_report_rate(pDevice, pTD->pTDInfo, byTsr0, byTsr1);
+
+			device_free_tx_buf(pDevice, pTD);
+			pDevice->iTDUsed[uIdx]--;
+		}
+	}
+
+	pDevice->apTailTD[uIdx] = pTD;
+
+	return works;
+}
+
+static void device_error(struct vnt_private *pDevice, unsigned short status)
+{
+	if (status & ISR_FETALERR) {
+		dev_err(&pDevice->pcid->dev, "Hardware fatal error\n");
+
+		MACbShutdown(pDevice->PortOffset);
+		return;
+	}
+}
+
+static void device_free_tx_buf(struct vnt_private *pDevice, PSTxDesc pDesc)
+{
+	PDEVICE_TD_INFO  pTDInfo = pDesc->pTDInfo;
+	struct sk_buff *skb = pTDInfo->skb;
+
+	/* pre-allocated buf_dma can't be unmapped. */
+	if (pTDInfo->skb_dma && (pTDInfo->skb_dma != pTDInfo->buf_dma)) {
+		dma_unmap_single(&pDevice->pcid->dev, pTDInfo->skb_dma,
+				 skb->len, DMA_TO_DEVICE);
+	}
+
+	if (skb)
+		ieee80211_tx_status_irqsafe(pDevice->hw, skb);
+
+	pTDInfo->skb_dma = 0;
+	pTDInfo->skb = NULL;
+	pTDInfo->byFlags = 0;
+}
+
+static void vnt_check_bb_vga(struct vnt_private *priv)
+{
+	long dbm;
+	int i;
+
+	if (!priv->bUpdateBBVGA)
+		return;
+
+	if (priv->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
+		return;
+
+	if (!(priv->vif->bss_conf.assoc && priv->uCurrRSSI))
+		return;
+
+	RFvRSSITodBm(priv, (u8)priv->uCurrRSSI, &dbm);
+
+	for (i = 0; i < BB_VGA_LEVEL; i++) {
+		if (dbm < priv->ldBmThreshold[i]) {
+			priv->byBBVGANew = priv->abyBBVGA[i];
+			break;
+		}
+	}
+
+	if (priv->byBBVGANew == priv->byBBVGACurrent) {
+		priv->uBBVGADiffCount = 1;
+		return;
+	}
+
+	priv->uBBVGADiffCount++;
+
+	if (priv->uBBVGADiffCount == 1) {
+		/* first VGA diff gain */
+		BBvSetVGAGainOffset(priv, priv->byBBVGANew);
+
+		dev_dbg(&priv->pcid->dev,
+			"First RSSI[%d] NewGain[%d] OldGain[%d] Count[%d]\n",
+			(int)dbm, priv->byBBVGANew,
+			priv->byBBVGACurrent,
+			(int)priv->uBBVGADiffCount);
+	}
+
+	if (priv->uBBVGADiffCount >= BB_VGA_CHANGE_THRESHOLD) {
+		dev_dbg(&priv->pcid->dev,
+			"RSSI[%d] NewGain[%d] OldGain[%d] Count[%d]\n",
+			(int)dbm, priv->byBBVGANew,
+			priv->byBBVGACurrent,
+			(int)priv->uBBVGADiffCount);
+
+		BBvSetVGAGainOffset(priv, priv->byBBVGANew);
+	}
+}
+
+static  irqreturn_t  device_intr(int irq,  void *dev_instance)
+{
+	struct vnt_private *pDevice = dev_instance;
+	int             max_count = 0;
+	unsigned long dwMIBCounter = 0;
+	unsigned char byOrgPageSel = 0;
+	int             handled = 0;
+	unsigned long flags;
+
+	MACvReadISR(pDevice->PortOffset, &pDevice->dwIsr);
+
+	if (pDevice->dwIsr == 0)
+		return IRQ_RETVAL(handled);
+
+	if (pDevice->dwIsr == 0xffffffff) {
+		pr_debug("dwIsr = 0xffff\n");
+		return IRQ_RETVAL(handled);
+	}
+
+	handled = 1;
+	MACvIntDisable(pDevice->PortOffset);
+
+	spin_lock_irqsave(&pDevice->lock, flags);
+
+	/* Make sure current page is 0 */
+	VNSvInPortB(pDevice->PortOffset + MAC_REG_PAGE1SEL, &byOrgPageSel);
+	if (byOrgPageSel == 1)
+		MACvSelectPage0(pDevice->PortOffset);
+	else
+		byOrgPageSel = 0;
+
+	MACvReadMIBCounter(pDevice->PortOffset, &dwMIBCounter);
+	/*
+	 * TBD....
+	 * Must do this after doing rx/tx, cause ISR bit is slow
+	 * than RD/TD write back
+	 * update ISR counter
+	 */
+	STAvUpdate802_11Counter(&pDevice->s802_11Counter, &pDevice->scStatistic, dwMIBCounter);
+	while (pDevice->dwIsr != 0) {
+		STAvUpdateIsrStatCounter(&pDevice->scStatistic, pDevice->dwIsr);
+		MACvWriteISR(pDevice->PortOffset, pDevice->dwIsr);
+
+		if (pDevice->dwIsr & ISR_FETALERR) {
+			pr_debug(" ISR_FETALERR\n");
+			VNSvOutPortB(pDevice->PortOffset + MAC_REG_SOFTPWRCTL, 0);
+			VNSvOutPortW(pDevice->PortOffset + MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPECTI);
+			device_error(pDevice, pDevice->dwIsr);
+		}
+
+		if (pDevice->dwIsr & ISR_TBTT) {
+			if (pDevice->vif &&
+			    pDevice->op_mode != NL80211_IFTYPE_ADHOC)
+				vnt_check_bb_vga(pDevice);
+
+			pDevice->bBeaconSent = false;
+			if (pDevice->bEnablePSMode)
+				PSbIsNextTBTTWakeUp((void *)pDevice);
+
+			if ((pDevice->op_mode == NL80211_IFTYPE_AP ||
+			    pDevice->op_mode == NL80211_IFTYPE_ADHOC) &&
+			    pDevice->vif->bss_conf.enable_beacon) {
+				MACvOneShotTimer1MicroSec(pDevice->PortOffset,
+							  (pDevice->vif->bss_conf.beacon_int - MAKE_BEACON_RESERVED) << 10);
+			}
+
+			/* TODO: adhoc PS mode */
+
+		}
+
+		if (pDevice->dwIsr & ISR_BNTX) {
+			if (pDevice->op_mode == NL80211_IFTYPE_ADHOC) {
+				pDevice->bIsBeaconBufReadySet = false;
+				pDevice->cbBeaconBufReadySetCnt = 0;
+			}
+
+			pDevice->bBeaconSent = true;
+		}
+
+		if (pDevice->dwIsr & ISR_RXDMA0)
+			max_count += device_rx_srv(pDevice, TYPE_RXDMA0);
+
+		if (pDevice->dwIsr & ISR_RXDMA1)
+			max_count += device_rx_srv(pDevice, TYPE_RXDMA1);
+
+		if (pDevice->dwIsr & ISR_TXDMA0)
+			max_count += device_tx_srv(pDevice, TYPE_TXDMA0);
+
+		if (pDevice->dwIsr & ISR_AC0DMA)
+			max_count += device_tx_srv(pDevice, TYPE_AC0DMA);
+
+		if (pDevice->dwIsr & ISR_SOFTTIMER1) {
+			if (pDevice->vif) {
+				if (pDevice->vif->bss_conf.enable_beacon)
+					vnt_beacon_make(pDevice, pDevice->vif);
+			}
+		}
+
+		/* If both buffers available wake the queue */
+		if (pDevice->vif) {
+			if (AVAIL_TD(pDevice, TYPE_TXDMA0) &&
+			    AVAIL_TD(pDevice, TYPE_AC0DMA) &&
+			    ieee80211_queue_stopped(pDevice->hw, 0))
+				ieee80211_wake_queues(pDevice->hw);
+		}
+
+		MACvReadISR(pDevice->PortOffset, &pDevice->dwIsr);
+
+		MACvReceive0(pDevice->PortOffset);
+		MACvReceive1(pDevice->PortOffset);
+
+		if (max_count > pDevice->sOpts.int_works)
+			break;
+	}
+
+	if (byOrgPageSel == 1)
+		MACvSelectPage1(pDevice->PortOffset);
+
+	spin_unlock_irqrestore(&pDevice->lock, flags);
+
+	MACvIntEnable(pDevice->PortOffset, IMR_MASK_VALUE);
+
+	return IRQ_RETVAL(handled);
+}
+
+static int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+	PSTxDesc head_td;
+	u32 dma_idx;
+	unsigned long flags;
+
+	spin_lock_irqsave(&priv->lock, flags);
+
+	if (ieee80211_is_data(hdr->frame_control))
+		dma_idx = TYPE_AC0DMA;
+	else
+		dma_idx = TYPE_TXDMA0;
+
+	if (AVAIL_TD(priv, dma_idx) < 1) {
+		spin_unlock_irqrestore(&priv->lock, flags);
+		return -ENOMEM;
+	}
+
+	head_td = priv->apCurrTD[dma_idx];
+
+	head_td->m_td1TD1.byTCR = 0;
+
+	head_td->pTDInfo->skb = skb;
+
+	if (dma_idx == TYPE_AC0DMA)
+		head_td->pTDInfo->byFlags = TD_FLAGS_NETIF_SKB;
+
+	priv->apCurrTD[dma_idx] = head_td->next;
+
+	spin_unlock_irqrestore(&priv->lock, flags);
+
+	vnt_generate_fifo_header(priv, dma_idx, head_td, skb);
+
+	if (MACbIsRegBitsOn(priv->PortOffset, MAC_REG_PSCTL, PSCTL_PS))
+		MACbPSWakeup(priv->PortOffset);
+
+	spin_lock_irqsave(&priv->lock, flags);
+
+	priv->bPWBitOn = false;
+
+	/* Set TSR1 & ReqCount in TxDescHead */
+	head_td->m_td1TD1.byTCR |= (TCR_STP | TCR_EDP | EDMSDU);
+	head_td->m_td1TD1.wReqCount =
+			cpu_to_le16((u16)head_td->pTDInfo->dwReqCount);
+
+	head_td->buff_addr = cpu_to_le32(head_td->pTDInfo->skb_dma);
+
+	/* Poll Transmit the adapter */
+	wmb();
+	head_td->m_td0TD0.f1Owner = OWNED_BY_NIC;
+	wmb(); /* second memory barrier */
+
+	if (head_td->pTDInfo->byFlags & TD_FLAGS_NETIF_SKB)
+		MACvTransmitAC0(priv->PortOffset);
+	else
+		MACvTransmit0(priv->PortOffset);
+
+	priv->iTDUsed[dma_idx]++;
+
+	spin_unlock_irqrestore(&priv->lock, flags);
+
+	return 0;
+}
+
+static void vnt_tx_80211(struct ieee80211_hw *hw,
+			 struct ieee80211_tx_control *control,
+			 struct sk_buff *skb)
+{
+	struct vnt_private *priv = hw->priv;
+
+	ieee80211_stop_queues(hw);
+
+	if (vnt_tx_packet(priv, skb)) {
+		ieee80211_free_txskb(hw, skb);
+
+		ieee80211_wake_queues(hw);
+	}
+}
+
+static int vnt_start(struct ieee80211_hw *hw)
+{
+	struct vnt_private *priv = hw->priv;
+	int ret;
+
+	priv->rx_buf_sz = PKT_BUF_SZ;
+	if (!device_init_rings(priv))
+		return -ENOMEM;
+
+	ret = request_irq(priv->pcid->irq, &device_intr,
+			  IRQF_SHARED, "vt6655", priv);
+	if (ret) {
+		dev_dbg(&priv->pcid->dev, "failed to start irq\n");
+		return ret;
+	}
+
+	dev_dbg(&priv->pcid->dev, "call device init rd0 ring\n");
+	device_init_rd0_ring(priv);
+	device_init_rd1_ring(priv);
+	device_init_td0_ring(priv);
+	device_init_td1_ring(priv);
+
+	device_init_registers(priv);
+
+	dev_dbg(&priv->pcid->dev, "call MACvIntEnable\n");
+	MACvIntEnable(priv->PortOffset, IMR_MASK_VALUE);
+
+	ieee80211_wake_queues(hw);
+
+	return 0;
+}
+
+static void vnt_stop(struct ieee80211_hw *hw)
+{
+	struct vnt_private *priv = hw->priv;
+
+	ieee80211_stop_queues(hw);
+
+	MACbShutdown(priv->PortOffset);
+	MACbSoftwareReset(priv->PortOffset);
+	CARDbRadioPowerOff(priv);
+
+	device_free_td0_ring(priv);
+	device_free_td1_ring(priv);
+	device_free_rd0_ring(priv);
+	device_free_rd1_ring(priv);
+	device_free_rings(priv);
+
+	free_irq(priv->pcid->irq, priv);
+}
+
+static int vnt_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+	struct vnt_private *priv = hw->priv;
+
+	priv->vif = vif;
+
+	switch (vif->type) {
+	case NL80211_IFTYPE_STATION:
+		break;
+	case NL80211_IFTYPE_ADHOC:
+		MACvRegBitsOff(priv->PortOffset, MAC_REG_RCR, RCR_UNICAST);
+
+		MACvRegBitsOn(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_ADHOC);
+
+		break;
+	case NL80211_IFTYPE_AP:
+		MACvRegBitsOff(priv->PortOffset, MAC_REG_RCR, RCR_UNICAST);
+
+		MACvRegBitsOn(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_AP);
+
+		break;
+	default:
+		return -EOPNOTSUPP;
+	}
+
+	priv->op_mode = vif->type;
+
+	return 0;
+}
+
+static void vnt_remove_interface(struct ieee80211_hw *hw,
+				 struct ieee80211_vif *vif)
+{
+	struct vnt_private *priv = hw->priv;
+
+	switch (vif->type) {
+	case NL80211_IFTYPE_STATION:
+		break;
+	case NL80211_IFTYPE_ADHOC:
+		MACvRegBitsOff(priv->PortOffset, MAC_REG_TCR, TCR_AUTOBCNTX);
+		MACvRegBitsOff(priv->PortOffset,
+			       MAC_REG_TFTCTL, TFTCTL_TSFCNTREN);
+		MACvRegBitsOff(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_ADHOC);
+		break;
+	case NL80211_IFTYPE_AP:
+		MACvRegBitsOff(priv->PortOffset, MAC_REG_TCR, TCR_AUTOBCNTX);
+		MACvRegBitsOff(priv->PortOffset,
+			       MAC_REG_TFTCTL, TFTCTL_TSFCNTREN);
+		MACvRegBitsOff(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_AP);
+		break;
+	default:
+		break;
+	}
+
+	priv->op_mode = NL80211_IFTYPE_UNSPECIFIED;
+}
+
+
+static int vnt_config(struct ieee80211_hw *hw, u32 changed)
+{
+	struct vnt_private *priv = hw->priv;
+	struct ieee80211_conf *conf = &hw->conf;
+	u8 bb_type;
+
+	if (changed & IEEE80211_CONF_CHANGE_PS) {
+		if (conf->flags & IEEE80211_CONF_PS)
+			PSvEnablePowerSaving(priv, conf->listen_interval);
+		else
+			PSvDisablePowerSaving(priv);
+	}
+
+	if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) ||
+	    (conf->flags & IEEE80211_CONF_OFFCHANNEL)) {
+		set_channel(priv, conf->chandef.chan);
+
+		if (conf->chandef.chan->band == IEEE80211_BAND_5GHZ)
+			bb_type = BB_TYPE_11A;
+		else
+			bb_type = BB_TYPE_11G;
+
+		if (priv->byBBType != bb_type) {
+			priv->byBBType = bb_type;
+
+			CARDbSetPhyParameter(priv, priv->byBBType);
+		}
+	}
+
+	if (changed & IEEE80211_CONF_CHANGE_POWER) {
+		if (priv->byBBType == BB_TYPE_11B)
+			priv->wCurrentRate = RATE_1M;
+		else
+			priv->wCurrentRate = RATE_54M;
+
+		RFbSetPower(priv, priv->wCurrentRate,
+			    conf->chandef.chan->hw_value);
+	}
+
+	return 0;
+}
+
+static void vnt_bss_info_changed(struct ieee80211_hw *hw,
+		struct ieee80211_vif *vif, struct ieee80211_bss_conf *conf,
+		u32 changed)
+{
+	struct vnt_private *priv = hw->priv;
+
+	priv->current_aid = conf->aid;
+
+	if (changed & BSS_CHANGED_BSSID && conf->bssid) {
+		unsigned long flags;
+
+		spin_lock_irqsave(&priv->lock, flags);
+
+		MACvWriteBSSIDAddress(priv->PortOffset, (u8 *)conf->bssid);
+
+		spin_unlock_irqrestore(&priv->lock, flags);
+	}
+
+	if (changed & BSS_CHANGED_BASIC_RATES) {
+		priv->basic_rates = conf->basic_rates;
+
+		CARDvUpdateBasicTopRate(priv);
+
+		dev_dbg(&priv->pcid->dev,
+			"basic rates %x\n", conf->basic_rates);
+	}
+
+	if (changed & BSS_CHANGED_ERP_PREAMBLE) {
+		if (conf->use_short_preamble) {
+			MACvEnableBarkerPreambleMd(priv->PortOffset);
+			priv->byPreambleType = true;
+		} else {
+			MACvDisableBarkerPreambleMd(priv->PortOffset);
+			priv->byPreambleType = false;
+		}
+	}
+
+	if (changed & BSS_CHANGED_ERP_CTS_PROT) {
+		if (conf->use_cts_prot)
+			MACvEnableProtectMD(priv->PortOffset);
+		else
+			MACvDisableProtectMD(priv->PortOffset);
+	}
+
+	if (changed & BSS_CHANGED_ERP_SLOT) {
+		if (conf->use_short_slot)
+			priv->bShortSlotTime = true;
+		else
+			priv->bShortSlotTime = false;
+
+		CARDbSetPhyParameter(priv, priv->byBBType);
+		BBvSetVGAGainOffset(priv, priv->abyBBVGA[0]);
+	}
+
+	if (changed & BSS_CHANGED_TXPOWER)
+		RFbSetPower(priv, priv->wCurrentRate,
+			    conf->chandef.chan->hw_value);
+
+	if (changed & BSS_CHANGED_BEACON_ENABLED) {
+		dev_dbg(&priv->pcid->dev,
+			"Beacon enable %d\n", conf->enable_beacon);
+
+		if (conf->enable_beacon) {
+			vnt_beacon_enable(priv, vif, conf);
+
+			MACvRegBitsOn(priv->PortOffset, MAC_REG_TCR,
+				      TCR_AUTOBCNTX);
+		} else {
+			MACvRegBitsOff(priv->PortOffset, MAC_REG_TCR,
+				       TCR_AUTOBCNTX);
+		}
+	}
+
+	if (changed & BSS_CHANGED_ASSOC && priv->op_mode != NL80211_IFTYPE_AP) {
+		if (conf->assoc) {
+			CARDbUpdateTSF(priv, conf->beacon_rate->hw_value,
+				       conf->sync_tsf);
+
+			CARDbSetBeaconPeriod(priv, conf->beacon_int);
+
+			CARDvSetFirstNextTBTT(priv, conf->beacon_int);
+		} else {
+			VNSvOutPortB(priv->PortOffset + MAC_REG_TFTCTL,
+				     TFTCTL_TSFCNTRST);
+			VNSvOutPortB(priv->PortOffset + MAC_REG_TFTCTL,
+				     TFTCTL_TSFCNTREN);
+		}
+	}
+}
+
+static u64 vnt_prepare_multicast(struct ieee80211_hw *hw,
+	struct netdev_hw_addr_list *mc_list)
+{
+	struct vnt_private *priv = hw->priv;
+	struct netdev_hw_addr *ha;
+	u64 mc_filter = 0;
+	u32 bit_nr = 0;
+
+	netdev_hw_addr_list_for_each(ha, mc_list) {
+		bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
+
+		mc_filter |= 1ULL << (bit_nr & 0x3f);
+	}
+
+	priv->mc_list_count = mc_list->count;
+
+	return mc_filter;
+}
+
+static void vnt_configure(struct ieee80211_hw *hw,
+	unsigned int changed_flags, unsigned int *total_flags, u64 multicast)
+{
+	struct vnt_private *priv = hw->priv;
+	u8 rx_mode = 0;
+
+	*total_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_PROMISC_IN_BSS |
+		FIF_BCN_PRBRESP_PROMISC;
+
+	VNSvInPortB(priv->PortOffset + MAC_REG_RCR, &rx_mode);
+
+	dev_dbg(&priv->pcid->dev, "rx mode in = %x\n", rx_mode);
+
+	if (changed_flags & FIF_PROMISC_IN_BSS) {
+		/* unconditionally log net taps */
+		if (*total_flags & FIF_PROMISC_IN_BSS)
+			rx_mode |= RCR_UNICAST;
+		else
+			rx_mode &= ~RCR_UNICAST;
+	}
+
+	if (changed_flags & FIF_ALLMULTI) {
+		if (*total_flags & FIF_ALLMULTI) {
+			unsigned long flags;
+
+			spin_lock_irqsave(&priv->lock, flags);
+
+			if (priv->mc_list_count > 2) {
+				MACvSelectPage1(priv->PortOffset);
+
+				VNSvOutPortD(priv->PortOffset +
+					     MAC_REG_MAR0, 0xffffffff);
+				VNSvOutPortD(priv->PortOffset +
+					    MAC_REG_MAR0 + 4, 0xffffffff);
+
+				MACvSelectPage0(priv->PortOffset);
+			} else {
+				MACvSelectPage1(priv->PortOffset);
+
+				VNSvOutPortD(priv->PortOffset +
+					     MAC_REG_MAR0, (u32)multicast);
+				VNSvOutPortD(priv->PortOffset +
+					     MAC_REG_MAR0 + 4,
+					     (u32)(multicast >> 32));
+
+				MACvSelectPage0(priv->PortOffset);
+			}
+
+			spin_unlock_irqrestore(&priv->lock, flags);
+
+			rx_mode |= RCR_MULTICAST | RCR_BROADCAST;
+		} else {
+			rx_mode &= ~(RCR_MULTICAST | RCR_BROADCAST);
+		}
+	}
+
+	if (changed_flags & (FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC)) {
+		rx_mode |= RCR_MULTICAST | RCR_BROADCAST;
+
+		if (*total_flags & (FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC))
+			rx_mode &= ~RCR_BSSID;
+		else
+			rx_mode |= RCR_BSSID;
+	}
+
+	VNSvOutPortB(priv->PortOffset + MAC_REG_RCR, rx_mode);
+
+	dev_dbg(&priv->pcid->dev, "rx mode out= %x\n", rx_mode);
+}
+
+static int vnt_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+	struct ieee80211_vif *vif, struct ieee80211_sta *sta,
+		struct ieee80211_key_conf *key)
+{
+	struct vnt_private *priv = hw->priv;
+
+	switch (cmd) {
+	case SET_KEY:
+		if (vnt_set_keys(hw, sta, vif, key))
+			return -EOPNOTSUPP;
+		break;
+	case DISABLE_KEY:
+		if (test_bit(key->hw_key_idx, &priv->key_entry_inuse))
+			clear_bit(key->hw_key_idx, &priv->key_entry_inuse);
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static u64 vnt_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+	struct vnt_private *priv = hw->priv;
+	u64 tsf;
+
+	CARDbGetCurrentTSF(priv, &tsf);
+
+	return tsf;
+}
+
+static void vnt_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			u64 tsf)
+{
+	struct vnt_private *priv = hw->priv;
+
+	CARDvUpdateNextTBTT(priv, tsf, vif->bss_conf.beacon_int);
+}
+
+static void vnt_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+	struct vnt_private *priv = hw->priv;
+
+	/* reset TSF counter */
+	VNSvOutPortB(priv->PortOffset + MAC_REG_TFTCTL, TFTCTL_TSFCNTRST);
+}
+
+static const struct ieee80211_ops vnt_mac_ops = {
+	.tx			= vnt_tx_80211,
+	.start			= vnt_start,
+	.stop			= vnt_stop,
+	.add_interface		= vnt_add_interface,
+	.remove_interface	= vnt_remove_interface,
+	.config			= vnt_config,
+	.bss_info_changed	= vnt_bss_info_changed,
+	.prepare_multicast	= vnt_prepare_multicast,
+	.configure_filter	= vnt_configure,
+	.set_key		= vnt_set_key,
+	.get_tsf		= vnt_get_tsf,
+	.set_tsf		= vnt_set_tsf,
+	.reset_tsf		= vnt_reset_tsf,
+};
+
+static int vnt_init(struct vnt_private *priv)
+{
+	SET_IEEE80211_PERM_ADDR(priv->hw, priv->abyCurrentNetAddr);
+
+	vnt_init_bands(priv);
+
+	if (ieee80211_register_hw(priv->hw))
+		return -ENODEV;
+
+	priv->mac_hw = true;
+
+	CARDbRadioPowerOff(priv);
+
+	return 0;
+}
+
+static int
+vt6655_probe(struct pci_dev *pcid, const struct pci_device_id *ent)
+{
+	PCHIP_INFO  pChip_info = (PCHIP_INFO)ent->driver_data;
+	struct vnt_private *priv;
+	struct ieee80211_hw *hw;
+	struct wiphy *wiphy;
+	int         rc;
+
+	dev_notice(&pcid->dev,
+		   "%s Ver. %s\n", DEVICE_FULL_DRV_NAM, DEVICE_VERSION);
+
+	dev_notice(&pcid->dev,
+		   "Copyright (c) 2003 VIA Networking Technologies, Inc.\n");
+
+	hw = ieee80211_alloc_hw(sizeof(*priv), &vnt_mac_ops);
+	if (!hw) {
+		dev_err(&pcid->dev, "could not register ieee80211_hw\n");
+		return -ENOMEM;
+	}
+
+	priv = hw->priv;
+
+	vt6655_init_info(pcid, &priv, pChip_info);
+
+	priv->hw = hw;
+
+	SET_IEEE80211_DEV(priv->hw, &pcid->dev);
+
+	if (pci_enable_device(pcid)) {
+		device_free_info(priv);
+		return -ENODEV;
+	}
+
+	dev_dbg(&pcid->dev,
+		"Before get pci_info memaddr is %x\n", priv->memaddr);
+
+	if (!device_get_pci_info(priv, pcid)) {
+		dev_err(&pcid->dev, ": Failed to find PCI device.\n");
+		device_free_info(priv);
+		return -ENODEV;
+	}
+
+#ifdef	DEBUG
+	dev_dbg(&pcid->dev,
+		"after get pci_info memaddr is %x, io addr is %x,io_size is %d\n",
+		priv->memaddr, priv->ioaddr, priv->io_size);
+	{
+		int i;
+		u32 bar, len;
+		u32 address[] = {
+			PCI_BASE_ADDRESS_0,
+			PCI_BASE_ADDRESS_1,
+			PCI_BASE_ADDRESS_2,
+			PCI_BASE_ADDRESS_3,
+			PCI_BASE_ADDRESS_4,
+			PCI_BASE_ADDRESS_5,
+			0};
+		for (i = 0; address[i]; i++) {
+			pci_read_config_dword(pcid, address[i], &bar);
+
+			dev_dbg(&pcid->dev, "bar %d is %x\n", i, bar);
+
+			if (!bar) {
+				dev_dbg(&pcid->dev,
+					"bar %d not implemented\n", i);
+				continue;
+			}
+
+			if (bar & PCI_BASE_ADDRESS_SPACE_IO) {
+				/* This is IO */
+
+				len = bar & (PCI_BASE_ADDRESS_IO_MASK & 0xffff);
+				len = len & ~(len - 1);
+
+				dev_dbg(&pcid->dev,
+					"IO space:  len in IO %x, BAR %d\n",
+					len, i);
+			} else {
+				len = bar & 0xfffffff0;
+				len = ~len + 1;
+
+				dev_dbg(&pcid->dev,
+					"len in MEM %x, BAR %d\n", len, i);
+			}
+		}
+	}
+#endif
+
+	priv->PortOffset = ioremap(priv->memaddr & PCI_BASE_ADDRESS_MEM_MASK,
+				   priv->io_size);
+	if (!priv->PortOffset) {
+		dev_err(&pcid->dev, ": Failed to IO remapping ..\n");
+		device_free_info(priv);
+		return -ENODEV;
+	}
+
+	rc = pci_request_regions(pcid, DEVICE_NAME);
+	if (rc) {
+		dev_err(&pcid->dev, ": Failed to find PCI device\n");
+		device_free_info(priv);
+		return -ENODEV;
+	}
+
+	/* do reset */
+	if (!MACbSoftwareReset(priv->PortOffset)) {
+		dev_err(&pcid->dev, ": Failed to access MAC hardware..\n");
+		device_free_info(priv);
+		return -ENODEV;
+	}
+	/* initial to reload eeprom */
+	MACvInitialize(priv->PortOffset);
+	MACvReadEtherAddress(priv->PortOffset, priv->abyCurrentNetAddr);
+
+	/* Get RFType */
+	priv->byRFType = SROMbyReadEmbedded(priv->PortOffset, EEP_OFS_RFTYPE);
+	priv->byRFType &= RF_MASK;
+
+	dev_dbg(&pcid->dev, "RF Type = %x\n", priv->byRFType);
+
+	device_get_options(priv);
+	device_set_options(priv);
+	/* Mask out the options cannot be set to the chip */
+	priv->sOpts.flags &= pChip_info->flags;
+
+	/* Enable the chip specified capabilities */
+	priv->flags = priv->sOpts.flags | (pChip_info->flags & 0xff000000UL);
+
+	wiphy = priv->hw->wiphy;
+
+	wiphy->frag_threshold = FRAG_THRESH_DEF;
+	wiphy->rts_threshold = RTS_THRESH_DEF;
+	wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
+		BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP);
+
+	priv->hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
+		IEEE80211_HW_REPORTS_TX_ACK_STATUS |
+		IEEE80211_HW_SIGNAL_DBM |
+		IEEE80211_HW_TIMING_BEACON_ONLY;
+
+	priv->hw->max_signal = 100;
+
+	if (vnt_init(priv))
+		return -ENODEV;
+
+	device_print_info(priv);
+	pci_set_drvdata(pcid, priv);
+
+	return 0;
+}
+
+/*------------------------------------------------------------------*/
+
+#ifdef CONFIG_PM
+static int vt6655_suspend(struct pci_dev *pcid, pm_message_t state)
+{
+	struct vnt_private *priv = pci_get_drvdata(pcid);
+	unsigned long flags;
+
+	spin_lock_irqsave(&priv->lock, flags);
+
+	pci_save_state(pcid);
+
+	MACbShutdown(priv->PortOffset);
+
+	pci_disable_device(pcid);
+	pci_set_power_state(pcid, pci_choose_state(pcid, state));
+
+	spin_unlock_irqrestore(&priv->lock, flags);
+
+	return 0;
+}
+
+static int vt6655_resume(struct pci_dev *pcid)
+{
+
+	pci_set_power_state(pcid, PCI_D0);
+	pci_enable_wake(pcid, PCI_D0, 0);
+	pci_restore_state(pcid);
+
+	return 0;
+}
+#endif
+
+MODULE_DEVICE_TABLE(pci, vt6655_pci_id_table);
+
+static struct pci_driver device_driver = {
+	.name = DEVICE_NAME,
+	.id_table = vt6655_pci_id_table,
+	.probe = vt6655_probe,
+	.remove = vt6655_remove,
+#ifdef CONFIG_PM
+	.suspend = vt6655_suspend,
+	.resume = vt6655_resume,
+#endif
+};
+
+static int __init vt6655_init_module(void)
+{
+	int ret;
+
+	ret = pci_register_driver(&device_driver);
+#ifdef CONFIG_PM
+	if (ret >= 0)
+		register_reboot_notifier(&device_notifier);
+#endif
+
+	return ret;
+}
+
+static void __exit vt6655_cleanup_module(void)
+{
+#ifdef CONFIG_PM
+	unregister_reboot_notifier(&device_notifier);
+#endif
+	pci_unregister_driver(&device_driver);
+}
+
+module_init(vt6655_init_module);
+module_exit(vt6655_cleanup_module);
+
+#ifdef CONFIG_PM
+static int
+device_notify_reboot(struct notifier_block *nb, unsigned long event, void *p)
+{
+	struct pci_dev *pdev = NULL;
+
+	switch (event) {
+	case SYS_DOWN:
+	case SYS_HALT:
+	case SYS_POWER_OFF:
+		for_each_pci_dev(pdev) {
+			if (pci_dev_driver(pdev) == &device_driver) {
+				if (pci_get_drvdata(pdev))
+					vt6655_suspend(pdev, PMSG_HIBERNATE);
+			}
+		}
+	}
+	return NOTIFY_DONE;
+}
+#endif