- 根目录:
- drivers
- staging
- vt6655
- card.c
/*
* 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: card.c
* Purpose: Provide functions to setup NIC operation mode
* Functions:
* s_vSafeResetTx - Rest Tx
* CARDvSetRSPINF - Set RSPINF
* CARDvUpdateBasicTopRate - Update BasicTopRate
* CARDbAddBasicRate - Add to BasicRateSet
* CARDbIsOFDMinBasicRate - Check if any OFDM rate is in BasicRateSet
* CARDvSetLoopbackMode - Set Loopback mode
* CARDbSoftwareReset - Sortware reset NIC
* CARDqGetTSFOffset - Calculate TSFOffset
* CARDbGetCurrentTSF - Read Current NIC TSF counter
* CARDqGetNextTBTT - Calculate Next Beacon TSF counter
* CARDvSetFirstNextTBTT - Set NIC Beacon time
* CARDvUpdateNextTBTT - Sync. NIC Beacon time
* CARDbRadioPowerOff - Turn Off NIC Radio Power
* CARDbRadioPowerOn - Turn On NIC Radio Power
*
* Revision History:
* 06-10-2003 Bryan YC Fan: Re-write codes to support VT3253 spec.
* 08-26-2003 Kyle Hsu: Modify the defination type of dwIoBase.
* 09-01-2003 Bryan YC Fan: Add vUpdateIFS().
*
*/
#include "tmacro.h"
#include "card.h"
#include "baseband.h"
#include "mac.h"
#include "desc.h"
#include "rf.h"
#include "power.h"
/*--------------------- Static Definitions -------------------------*/
#define C_SIFS_A 16 /* micro sec. */
#define C_SIFS_BG 10
#define C_EIFS 80 /* micro sec. */
#define C_SLOT_SHORT 9 /* micro sec. */
#define C_SLOT_LONG 20
#define C_CWMIN_A 15 /* slot time */
#define C_CWMIN_B 31
#define C_CWMAX 1023 /* slot time */
#define WAIT_BEACON_TX_DOWN_TMO 3 /* Times */
/*--------------------- Static Variables --------------------------*/
static const unsigned short cwRXBCNTSFOff[MAX_RATE] = {
17, 17, 17, 17, 34, 23, 17, 11, 8, 5, 4, 3};
/*--------------------- Static Functions --------------------------*/
static
void
s_vCalculateOFDMRParameter(
unsigned char byRate,
u8 bb_type,
unsigned char *pbyTxRate,
unsigned char *pbyRsvTime
);
/*--------------------- Export Functions --------------------------*/
/*
* Description: Calculate TxRate and RsvTime fields for RSPINF in OFDM mode.
*
* Parameters:
* In:
* wRate - Tx Rate
* byPktType - Tx Packet type
* Out:
* pbyTxRate - pointer to RSPINF TxRate field
* pbyRsvTime - pointer to RSPINF RsvTime field
*
* Return Value: none
*/
static
void
s_vCalculateOFDMRParameter(
unsigned char byRate,
u8 bb_type,
unsigned char *pbyTxRate,
unsigned char *pbyRsvTime
)
{
switch (byRate) {
case RATE_6M:
if (bb_type == BB_TYPE_11A) { /* 5GHZ */
*pbyTxRate = 0x9B;
*pbyRsvTime = 44;
} else {
*pbyTxRate = 0x8B;
*pbyRsvTime = 50;
}
break;
case RATE_9M:
if (bb_type == BB_TYPE_11A) { /* 5GHZ */
*pbyTxRate = 0x9F;
*pbyRsvTime = 36;
} else {
*pbyTxRate = 0x8F;
*pbyRsvTime = 42;
}
break;
case RATE_12M:
if (bb_type == BB_TYPE_11A) { /* 5GHZ */
*pbyTxRate = 0x9A;
*pbyRsvTime = 32;
} else {
*pbyTxRate = 0x8A;
*pbyRsvTime = 38;
}
break;
case RATE_18M:
if (bb_type == BB_TYPE_11A) { /* 5GHZ */
*pbyTxRate = 0x9E;
*pbyRsvTime = 28;
} else {
*pbyTxRate = 0x8E;
*pbyRsvTime = 34;
}
break;
case RATE_36M:
if (bb_type == BB_TYPE_11A) { /* 5GHZ */
*pbyTxRate = 0x9D;
*pbyRsvTime = 24;
} else {
*pbyTxRate = 0x8D;
*pbyRsvTime = 30;
}
break;
case RATE_48M:
if (bb_type == BB_TYPE_11A) { /* 5GHZ */
*pbyTxRate = 0x98;
*pbyRsvTime = 24;
} else {
*pbyTxRate = 0x88;
*pbyRsvTime = 30;
}
break;
case RATE_54M:
if (bb_type == BB_TYPE_11A) { /* 5GHZ */
*pbyTxRate = 0x9C;
*pbyRsvTime = 24;
} else {
*pbyTxRate = 0x8C;
*pbyRsvTime = 30;
}
break;
case RATE_24M:
default:
if (bb_type == BB_TYPE_11A) { /* 5GHZ */
*pbyTxRate = 0x99;
*pbyRsvTime = 28;
} else {
*pbyTxRate = 0x89;
*pbyRsvTime = 34;
}
break;
}
}
/*--------------------- Export Functions --------------------------*/
/*
* Description: Update IFS
*
* Parameters:
* In:
* pDevice - The adapter to be set
* Out:
* none
*
* Return Value: None.
*/
bool CARDbSetPhyParameter(struct vnt_private *pDevice, u8 bb_type)
{
unsigned char byCWMaxMin = 0;
unsigned char bySlot = 0;
unsigned char bySIFS = 0;
unsigned char byDIFS = 0;
unsigned char byData;
int i;
/* Set SIFS, DIFS, EIFS, SlotTime, CwMin */
if (bb_type == BB_TYPE_11A) {
if (pDevice->byRFType == RF_AIROHA7230) {
/* AL7230 use single PAPE and connect to PAPE_2.4G */
MACvSetBBType(pDevice->PortOffset, BB_TYPE_11G);
pDevice->abyBBVGA[0] = 0x20;
pDevice->abyBBVGA[2] = 0x10;
pDevice->abyBBVGA[3] = 0x10;
BBbReadEmbedded(pDevice, 0xE7, &byData);
if (byData == 0x1C)
BBbWriteEmbedded(pDevice, 0xE7, pDevice->abyBBVGA[0]);
} else if (pDevice->byRFType == RF_UW2452) {
MACvSetBBType(pDevice->PortOffset, BB_TYPE_11A);
pDevice->abyBBVGA[0] = 0x18;
BBbReadEmbedded(pDevice, 0xE7, &byData);
if (byData == 0x14) {
BBbWriteEmbedded(pDevice, 0xE7, pDevice->abyBBVGA[0]);
BBbWriteEmbedded(pDevice, 0xE1, 0x57);
}
} else {
MACvSetBBType(pDevice->PortOffset, BB_TYPE_11A);
}
BBbWriteEmbedded(pDevice, 0x88, 0x03);
bySlot = C_SLOT_SHORT;
bySIFS = C_SIFS_A;
byDIFS = C_SIFS_A + 2*C_SLOT_SHORT;
byCWMaxMin = 0xA4;
} else if (bb_type == BB_TYPE_11B) {
MACvSetBBType(pDevice->PortOffset, BB_TYPE_11B);
if (pDevice->byRFType == RF_AIROHA7230) {
pDevice->abyBBVGA[0] = 0x1C;
pDevice->abyBBVGA[2] = 0x00;
pDevice->abyBBVGA[3] = 0x00;
BBbReadEmbedded(pDevice, 0xE7, &byData);
if (byData == 0x20)
BBbWriteEmbedded(pDevice, 0xE7, pDevice->abyBBVGA[0]);
} else if (pDevice->byRFType == RF_UW2452) {
pDevice->abyBBVGA[0] = 0x14;
BBbReadEmbedded(pDevice, 0xE7, &byData);
if (byData == 0x18) {
BBbWriteEmbedded(pDevice, 0xE7, pDevice->abyBBVGA[0]);
BBbWriteEmbedded(pDevice, 0xE1, 0xD3);
}
}
BBbWriteEmbedded(pDevice, 0x88, 0x02);
bySlot = C_SLOT_LONG;
bySIFS = C_SIFS_BG;
byDIFS = C_SIFS_BG + 2*C_SLOT_LONG;
byCWMaxMin = 0xA5;
} else { /* PK_TYPE_11GA & PK_TYPE_11GB */
MACvSetBBType(pDevice->PortOffset, BB_TYPE_11G);
if (pDevice->byRFType == RF_AIROHA7230) {
pDevice->abyBBVGA[0] = 0x1C;
pDevice->abyBBVGA[2] = 0x00;
pDevice->abyBBVGA[3] = 0x00;
BBbReadEmbedded(pDevice, 0xE7, &byData);
if (byData == 0x20)
BBbWriteEmbedded(pDevice, 0xE7, pDevice->abyBBVGA[0]);
} else if (pDevice->byRFType == RF_UW2452) {
pDevice->abyBBVGA[0] = 0x14;
BBbReadEmbedded(pDevice, 0xE7, &byData);
if (byData == 0x18) {
BBbWriteEmbedded(pDevice, 0xE7, pDevice->abyBBVGA[0]);
BBbWriteEmbedded(pDevice, 0xE1, 0xD3);
}
}
BBbWriteEmbedded(pDevice, 0x88, 0x08);
bySIFS = C_SIFS_BG;
if (pDevice->bShortSlotTime) {
bySlot = C_SLOT_SHORT;
byDIFS = C_SIFS_BG + 2*C_SLOT_SHORT;
} else {
bySlot = C_SLOT_LONG;
byDIFS = C_SIFS_BG + 2*C_SLOT_LONG;
}
byCWMaxMin = 0xa4;
for (i = RATE_54M; i >= RATE_6M; i--) {
if (pDevice->basic_rates & ((u32)(0x1 << i))) {
byCWMaxMin |= 0x1;
break;
}
}
}
if (pDevice->byRFType == RF_RFMD2959) {
/*
* bcs TX_PE will reserve 3 us hardware's processing
* time here is 2 us.
*/
bySIFS -= 3;
byDIFS -= 3;
/*
* TX_PE will reserve 3 us for MAX2829 A mode only, it is for
* better TX throughput; MAC will need 2 us to process, so the
* SIFS, DIFS can be shorter by 2 us.
*/
}
if (pDevice->bySIFS != bySIFS) {
pDevice->bySIFS = bySIFS;
VNSvOutPortB(pDevice->PortOffset + MAC_REG_SIFS, pDevice->bySIFS);
}
if (pDevice->byDIFS != byDIFS) {
pDevice->byDIFS = byDIFS;
VNSvOutPortB(pDevice->PortOffset + MAC_REG_DIFS, pDevice->byDIFS);
}
if (pDevice->byEIFS != C_EIFS) {
pDevice->byEIFS = C_EIFS;
VNSvOutPortB(pDevice->PortOffset + MAC_REG_EIFS, pDevice->byEIFS);
}
if (pDevice->bySlot != bySlot) {
pDevice->bySlot = bySlot;
VNSvOutPortB(pDevice->PortOffset + MAC_REG_SLOT, pDevice->bySlot);
BBvSetShortSlotTime(pDevice);
}
if (pDevice->byCWMaxMin != byCWMaxMin) {
pDevice->byCWMaxMin = byCWMaxMin;
VNSvOutPortB(pDevice->PortOffset + MAC_REG_CWMAXMIN0, pDevice->byCWMaxMin);
}
pDevice->byPacketType = CARDbyGetPktType(pDevice);
CARDvSetRSPINF(pDevice, bb_type);
return true;
}
/*
* Description: Sync. TSF counter to BSS
* Get TSF offset and write to HW
*
* Parameters:
* In:
* pDevice - The adapter to be sync.
* byRxRate - data rate of receive beacon
* qwBSSTimestamp - Rx BCN's TSF
* qwLocalTSF - Local TSF
* Out:
* none
*
* Return Value: none
*/
bool CARDbUpdateTSF(struct vnt_private *pDevice, unsigned char byRxRate,
u64 qwBSSTimestamp)
{
u64 local_tsf;
u64 qwTSFOffset = 0;
CARDbGetCurrentTSF(pDevice, &local_tsf);
if (qwBSSTimestamp != local_tsf) {
qwTSFOffset = CARDqGetTSFOffset(byRxRate, qwBSSTimestamp,
local_tsf);
/* adjust TSF, HW's TSF add TSF Offset reg */
VNSvOutPortD(pDevice->PortOffset + MAC_REG_TSFOFST, (u32)qwTSFOffset);
VNSvOutPortD(pDevice->PortOffset + MAC_REG_TSFOFST + 4, (u32)(qwTSFOffset >> 32));
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_TFTCTL, TFTCTL_TSFSYNCEN);
}
return true;
}
/*
* Description: Set NIC TSF counter for first Beacon time
* Get NEXTTBTT from adjusted TSF and Beacon Interval
*
* Parameters:
* In:
* pDevice - The adapter to be set.
* wBeaconInterval - Beacon Interval
* Out:
* none
*
* Return Value: true if succeed; otherwise false
*/
bool CARDbSetBeaconPeriod(struct vnt_private *pDevice,
unsigned short wBeaconInterval)
{
u64 qwNextTBTT = 0;
CARDbGetCurrentTSF(pDevice, &qwNextTBTT); /* Get Local TSF counter */
qwNextTBTT = CARDqGetNextTBTT(qwNextTBTT, wBeaconInterval);
/* set HW beacon interval */
VNSvOutPortW(pDevice->PortOffset + MAC_REG_BI, wBeaconInterval);
pDevice->wBeaconInterval = wBeaconInterval;
/* Set NextTBTT */
VNSvOutPortD(pDevice->PortOffset + MAC_REG_NEXTTBTT, (u32)qwNextTBTT);
VNSvOutPortD(pDevice->PortOffset + MAC_REG_NEXTTBTT + 4, (u32)(qwNextTBTT >> 32));
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_TFTCTL, TFTCTL_TBTTSYNCEN);
return true;
}
/*
* Description: Turn off Radio power
*
* Parameters:
* In:
* pDevice - The adapter to be turned off
* Out:
* none
*
* Return Value: true if success; otherwise false
*/
bool CARDbRadioPowerOff(struct vnt_private *pDevice)
{
bool bResult = true;
if (pDevice->bRadioOff == true)
return true;
switch (pDevice->byRFType) {
case RF_RFMD2959:
MACvWordRegBitsOff(pDevice->PortOffset, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_TXPEINV);
MACvWordRegBitsOn(pDevice->PortOffset, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPE1);
break;
case RF_AIROHA:
case RF_AL2230S:
case RF_AIROHA7230:
MACvWordRegBitsOff(pDevice->PortOffset, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPE2);
MACvWordRegBitsOff(pDevice->PortOffset, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPE3);
break;
}
MACvRegBitsOff(pDevice->PortOffset, MAC_REG_HOSTCR, HOSTCR_RXON);
BBvSetDeepSleep(pDevice, pDevice->byLocalID);
pDevice->bRadioOff = true;
pr_debug("chester power off\n");
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_GPIOCTL0, LED_ACTSET); /* LED issue */
return bResult;
}
/*
* Description: Turn on Radio power
*
* Parameters:
* In:
* pDevice - The adapter to be turned on
* Out:
* none
*
* Return Value: true if success; otherwise false
*/
bool CARDbRadioPowerOn(struct vnt_private *pDevice)
{
bool bResult = true;
pr_debug("chester power on\n");
if (pDevice->bRadioControlOff == true) {
if (pDevice->bHWRadioOff == true)
pr_debug("chester bHWRadioOff\n");
if (pDevice->bRadioControlOff == true)
pr_debug("chester bRadioControlOff\n");
return false; }
if (pDevice->bRadioOff == false) {
pr_debug("chester pbRadioOff\n");
return true; }
BBvExitDeepSleep(pDevice, pDevice->byLocalID);
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_HOSTCR, HOSTCR_RXON);
switch (pDevice->byRFType) {
case RF_RFMD2959:
MACvWordRegBitsOn(pDevice->PortOffset, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_TXPEINV);
MACvWordRegBitsOff(pDevice->PortOffset, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPE1);
break;
case RF_AIROHA:
case RF_AL2230S:
case RF_AIROHA7230:
MACvWordRegBitsOn(pDevice->PortOffset, MAC_REG_SOFTPWRCTL, (SOFTPWRCTL_SWPE2 |
SOFTPWRCTL_SWPE3));
break;
}
pDevice->bRadioOff = false;
pr_debug("chester power on\n");
MACvRegBitsOff(pDevice->PortOffset, MAC_REG_GPIOCTL0, LED_ACTSET); /* LED issue */
return bResult;
}
void
CARDvSafeResetTx(
struct vnt_private *pDevice
)
{
unsigned int uu;
PSTxDesc pCurrTD;
/* initialize TD index */
pDevice->apTailTD[0] = pDevice->apCurrTD[0] = &(pDevice->apTD0Rings[0]);
pDevice->apTailTD[1] = pDevice->apCurrTD[1] = &(pDevice->apTD1Rings[0]);
for (uu = 0; uu < TYPE_MAXTD; uu++)
pDevice->iTDUsed[uu] = 0;
for (uu = 0; uu < pDevice->sOpts.nTxDescs[0]; uu++) {
pCurrTD = &(pDevice->apTD0Rings[uu]);
pCurrTD->m_td0TD0.f1Owner = OWNED_BY_HOST;
/* init all Tx Packet pointer to NULL */
}
for (uu = 0; uu < pDevice->sOpts.nTxDescs[1]; uu++) {
pCurrTD = &(pDevice->apTD1Rings[uu]);
pCurrTD->m_td0TD0.f1Owner = OWNED_BY_HOST;
/* init all Tx Packet pointer to NULL */
}
/* set MAC TD pointer */
MACvSetCurrTXDescAddr(TYPE_TXDMA0, pDevice->PortOffset,
(pDevice->td0_pool_dma));
MACvSetCurrTXDescAddr(TYPE_AC0DMA, pDevice->PortOffset,
(pDevice->td1_pool_dma));
/* set MAC Beacon TX pointer */
MACvSetCurrBCNTxDescAddr(pDevice->PortOffset,
(pDevice->tx_beacon_dma));
}
/*
* Description:
* Reset Rx
*
* Parameters:
* In:
* pDevice - Pointer to the adapter
* Out:
* none
*
* Return Value: none
*/
void
CARDvSafeResetRx(
struct vnt_private *pDevice
)
{
unsigned int uu;
PSRxDesc pDesc;
/* initialize RD index */
pDevice->pCurrRD[0] = &(pDevice->aRD0Ring[0]);
pDevice->pCurrRD[1] = &(pDevice->aRD1Ring[0]);
/* init state, all RD is chip's */
for (uu = 0; uu < pDevice->sOpts.nRxDescs0; uu++) {
pDesc = &(pDevice->aRD0Ring[uu]);
pDesc->m_rd0RD0.wResCount = (unsigned short)(pDevice->rx_buf_sz);
pDesc->m_rd0RD0.f1Owner = OWNED_BY_NIC;
pDesc->m_rd1RD1.wReqCount = (unsigned short)(pDevice->rx_buf_sz);
}
/* init state, all RD is chip's */
for (uu = 0; uu < pDevice->sOpts.nRxDescs1; uu++) {
pDesc = &(pDevice->aRD1Ring[uu]);
pDesc->m_rd0RD0.wResCount = (unsigned short)(pDevice->rx_buf_sz);
pDesc->m_rd0RD0.f1Owner = OWNED_BY_NIC;
pDesc->m_rd1RD1.wReqCount = (unsigned short)(pDevice->rx_buf_sz);
}
/* set perPkt mode */
MACvRx0PerPktMode(pDevice->PortOffset);
MACvRx1PerPktMode(pDevice->PortOffset);
/* set MAC RD pointer */
MACvSetCurrRx0DescAddr(pDevice->PortOffset,
pDevice->rd0_pool_dma);
MACvSetCurrRx1DescAddr(pDevice->PortOffset,
pDevice->rd1_pool_dma);
}
/*
* Description: Get response Control frame rate in CCK mode
*
* Parameters:
* In:
* pDevice - The adapter to be set
* wRateIdx - Receiving data rate
* Out:
* none
*
* Return Value: response Control frame rate
*/
static unsigned short CARDwGetCCKControlRate(struct vnt_private *pDevice,
unsigned short wRateIdx)
{
unsigned int ui = (unsigned int) wRateIdx;
while (ui > RATE_1M) {
if (pDevice->basic_rates & ((u32)0x1 << ui))
return (unsigned short)ui;
ui--;
}
return (unsigned short)RATE_1M;
}
/*
* Description: Get response Control frame rate in OFDM mode
*
* Parameters:
* In:
* pDevice - The adapter to be set
* wRateIdx - Receiving data rate
* Out:
* none
*
* Return Value: response Control frame rate
*/
static unsigned short CARDwGetOFDMControlRate(struct vnt_private *pDevice,
unsigned short wRateIdx)
{
unsigned int ui = (unsigned int) wRateIdx;
pr_debug("BASIC RATE: %X\n", pDevice->basic_rates);
if (!CARDbIsOFDMinBasicRate((void *)pDevice)) {
pr_debug("CARDwGetOFDMControlRate:(NO OFDM) %d\n", wRateIdx);
if (wRateIdx > RATE_24M)
wRateIdx = RATE_24M;
return wRateIdx;
}
while (ui > RATE_11M) {
if (pDevice->basic_rates & ((u32)0x1 << ui)) {
pr_debug("CARDwGetOFDMControlRate : %d\n", ui);
return (unsigned short)ui;
}
ui--;
}
pr_debug("CARDwGetOFDMControlRate: 6M\n");
return (unsigned short)RATE_24M;
}
/*
* Description: Set RSPINF
*
* Parameters:
* In:
* pDevice - The adapter to be set
* Out:
* none
*
* Return Value: None.
*/
void CARDvSetRSPINF(struct vnt_private *pDevice, u8 bb_type)
{
union vnt_phy_field_swap phy;
unsigned char byTxRate, byRsvTime; /* For OFDM */
unsigned long flags;
spin_lock_irqsave(&pDevice->lock, flags);
/* Set to Page1 */
MACvSelectPage1(pDevice->PortOffset);
/* RSPINF_b_1 */
vnt_get_phy_field(pDevice, 14,
CARDwGetCCKControlRate(pDevice, RATE_1M),
PK_TYPE_11B, &phy.field_read);
/* swap over to get correct write order */
swap(phy.swap[0], phy.swap[1]);
VNSvOutPortD(pDevice->PortOffset + MAC_REG_RSPINF_B_1, phy.field_write);
/* RSPINF_b_2 */
vnt_get_phy_field(pDevice, 14,
CARDwGetCCKControlRate(pDevice, RATE_2M),
PK_TYPE_11B, &phy.field_read);
swap(phy.swap[0], phy.swap[1]);
VNSvOutPortD(pDevice->PortOffset + MAC_REG_RSPINF_B_2, phy.field_write);
/* RSPINF_b_5 */
vnt_get_phy_field(pDevice, 14,
CARDwGetCCKControlRate(pDevice, RATE_5M),
PK_TYPE_11B, &phy.field_read);
swap(phy.swap[0], phy.swap[1]);
VNSvOutPortD(pDevice->PortOffset + MAC_REG_RSPINF_B_5, phy.field_write);
/* RSPINF_b_11 */
vnt_get_phy_field(pDevice, 14,
CARDwGetCCKControlRate(pDevice, RATE_11M),
PK_TYPE_11B, &phy.field_read);
swap(phy.swap[0], phy.swap[1]);
VNSvOutPortD(pDevice->PortOffset + MAC_REG_RSPINF_B_11, phy.field_write);
/* RSPINF_a_6 */
s_vCalculateOFDMRParameter(RATE_6M,
bb_type,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_6, MAKEWORD(byTxRate, byRsvTime));
/* RSPINF_a_9 */
s_vCalculateOFDMRParameter(RATE_9M,
bb_type,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_9, MAKEWORD(byTxRate, byRsvTime));
/* RSPINF_a_12 */
s_vCalculateOFDMRParameter(RATE_12M,
bb_type,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_12, MAKEWORD(byTxRate, byRsvTime));
/* RSPINF_a_18 */
s_vCalculateOFDMRParameter(RATE_18M,
bb_type,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_18, MAKEWORD(byTxRate, byRsvTime));
/* RSPINF_a_24 */
s_vCalculateOFDMRParameter(RATE_24M,
bb_type,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_24, MAKEWORD(byTxRate, byRsvTime));
/* RSPINF_a_36 */
s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate((void *)pDevice, RATE_36M),
bb_type,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_36, MAKEWORD(byTxRate, byRsvTime));
/* RSPINF_a_48 */
s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate((void *)pDevice, RATE_48M),
bb_type,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_48, MAKEWORD(byTxRate, byRsvTime));
/* RSPINF_a_54 */
s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate((void *)pDevice, RATE_54M),
bb_type,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_54, MAKEWORD(byTxRate, byRsvTime));
/* RSPINF_a_72 */
s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate((void *)pDevice, RATE_54M),
bb_type,
&byTxRate,
&byRsvTime);
VNSvOutPortW(pDevice->PortOffset + MAC_REG_RSPINF_A_72, MAKEWORD(byTxRate, byRsvTime));
/* Set to Page0 */
MACvSelectPage0(pDevice->PortOffset);
spin_unlock_irqrestore(&pDevice->lock, flags);
}
void CARDvUpdateBasicTopRate(struct vnt_private *pDevice)
{
unsigned char byTopOFDM = RATE_24M, byTopCCK = RATE_1M;
unsigned char ii;
/* Determines the highest basic rate. */
for (ii = RATE_54M; ii >= RATE_6M; ii--) {
if ((pDevice->basic_rates) & ((u32)(1 << ii))) {
byTopOFDM = ii;
break;
}
}
pDevice->byTopOFDMBasicRate = byTopOFDM;
for (ii = RATE_11M;; ii--) {
if ((pDevice->basic_rates) & ((u32)(1 << ii))) {
byTopCCK = ii;
break;
}
if (ii == RATE_1M)
break;
}
pDevice->byTopCCKBasicRate = byTopCCK;
}
bool CARDbIsOFDMinBasicRate(struct vnt_private *pDevice)
{
int ii;
for (ii = RATE_54M; ii >= RATE_6M; ii--) {
if ((pDevice->basic_rates) & ((u32)(1 << ii)))
return true;
}
return false;
}
unsigned char CARDbyGetPktType(struct vnt_private *pDevice)
{
if (pDevice->byBBType == BB_TYPE_11A || pDevice->byBBType == BB_TYPE_11B)
return (unsigned char)pDevice->byBBType;
else if (CARDbIsOFDMinBasicRate((void *)pDevice))
return PK_TYPE_11GA;
else
return PK_TYPE_11GB;
}
/*
* Description: Set NIC Loopback mode
*
* Parameters:
* In:
* pDevice - The adapter to be set
* wLoopbackMode - Loopback mode to be set
* Out:
* none
*
* Return Value: none
*/
void CARDvSetLoopbackMode(struct vnt_private *priv, unsigned short wLoopbackMode)
{
void __iomem *dwIoBase = priv->PortOffset;
switch (wLoopbackMode) {
case CARD_LB_NONE:
case CARD_LB_MAC:
case CARD_LB_PHY:
break;
default:
ASSERT(false);
break;
}
/* set MAC loopback */
MACvSetLoopbackMode(dwIoBase, LOBYTE(wLoopbackMode));
/* set Baseband loopback */
}
/*
* Description: Software Reset NIC
*
* Parameters:
* In:
* pDevice - The adapter to be reset
* Out:
* none
*
* Return Value: none
*/
bool CARDbSoftwareReset(struct vnt_private *pDevice)
{
/* reset MAC */
if (!MACbSafeSoftwareReset(pDevice->PortOffset))
return false;
return true;
}
/*
* Description: Calculate TSF offset of two TSF input
* Get TSF Offset from RxBCN's TSF and local TSF
*
* Parameters:
* In:
* pDevice - The adapter to be sync.
* qwTSF1 - Rx BCN's TSF
* qwTSF2 - Local TSF
* Out:
* none
*
* Return Value: TSF Offset value
*/
u64 CARDqGetTSFOffset(unsigned char byRxRate, u64 qwTSF1, u64 qwTSF2)
{
u64 qwTSFOffset = 0;
unsigned short wRxBcnTSFOffst = 0;
wRxBcnTSFOffst = cwRXBCNTSFOff[byRxRate%MAX_RATE];
qwTSF2 += (u64)wRxBcnTSFOffst;
qwTSFOffset = qwTSF1 - qwTSF2;
return qwTSFOffset;
}
/*
* Description: Read NIC TSF counter
* Get local TSF counter
*
* Parameters:
* In:
* pDevice - The adapter to be read
* Out:
* qwCurrTSF - Current TSF counter
*
* Return Value: true if success; otherwise false
*/
bool CARDbGetCurrentTSF(struct vnt_private *priv, u64 *pqwCurrTSF)
{
void __iomem *dwIoBase = priv->PortOffset;
unsigned short ww;
unsigned char byData;
MACvRegBitsOn(dwIoBase, MAC_REG_TFTCTL, TFTCTL_TSFCNTRRD);
for (ww = 0; ww < W_MAX_TIMEOUT; ww++) {
VNSvInPortB(dwIoBase + MAC_REG_TFTCTL, &byData);
if (!(byData & TFTCTL_TSFCNTRRD))
break;
}
if (ww == W_MAX_TIMEOUT)
return false;
VNSvInPortD(dwIoBase + MAC_REG_TSFCNTR, (u32 *)pqwCurrTSF);
VNSvInPortD(dwIoBase + MAC_REG_TSFCNTR + 4, (u32 *)pqwCurrTSF + 1);
return true;
}
/*
* Description: Read NIC TSF counter
* Get NEXTTBTT from adjusted TSF and Beacon Interval
*
* Parameters:
* In:
* qwTSF - Current TSF counter
* wbeaconInterval - Beacon Interval
* Out:
* qwCurrTSF - Current TSF counter
*
* Return Value: TSF value of next Beacon
*/
u64 CARDqGetNextTBTT(u64 qwTSF, unsigned short wBeaconInterval)
{
u32 beacon_int;
beacon_int = wBeaconInterval * 1024;
if (beacon_int) {
do_div(qwTSF, beacon_int);
qwTSF += 1;
qwTSF *= beacon_int;
}
return qwTSF;
}
/*
* Description: Set NIC TSF counter for first Beacon time
* Get NEXTTBTT from adjusted TSF and Beacon Interval
*
* Parameters:
* In:
* dwIoBase - IO Base
* wBeaconInterval - Beacon Interval
* Out:
* none
*
* Return Value: none
*/
void CARDvSetFirstNextTBTT(struct vnt_private *priv, unsigned short wBeaconInterval)
{
void __iomem *dwIoBase = priv->PortOffset;
u64 qwNextTBTT = 0;
CARDbGetCurrentTSF(priv, &qwNextTBTT); /* Get Local TSF counter */
qwNextTBTT = CARDqGetNextTBTT(qwNextTBTT, wBeaconInterval);
/* Set NextTBTT */
VNSvOutPortD(dwIoBase + MAC_REG_NEXTTBTT, (u32)qwNextTBTT);
VNSvOutPortD(dwIoBase + MAC_REG_NEXTTBTT + 4, (u32)(qwNextTBTT >> 32));
MACvRegBitsOn(dwIoBase, MAC_REG_TFTCTL, TFTCTL_TBTTSYNCEN);
}
/*
* Description: Sync NIC TSF counter for Beacon time
* Get NEXTTBTT and write to HW
*
* Parameters:
* In:
* pDevice - The adapter to be set
* qwTSF - Current TSF counter
* wBeaconInterval - Beacon Interval
* Out:
* none
*
* Return Value: none
*/
void CARDvUpdateNextTBTT(struct vnt_private *priv, u64 qwTSF, unsigned short wBeaconInterval)
{
void __iomem *dwIoBase = priv->PortOffset;
qwTSF = CARDqGetNextTBTT(qwTSF, wBeaconInterval);
/* Set NextTBTT */
VNSvOutPortD(dwIoBase + MAC_REG_NEXTTBTT, (u32)qwTSF);
VNSvOutPortD(dwIoBase + MAC_REG_NEXTTBTT + 4, (u32)(qwTSF >> 32));
MACvRegBitsOn(dwIoBase, MAC_REG_TFTCTL, TFTCTL_TBTTSYNCEN);
pr_debug("Card:Update Next TBTT[%8llx]\n", qwTSF);
}