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Diffstat (limited to 'drivers/staging/vt6655/card.c')
| -rw-r--r-- | drivers/staging/vt6655/card.c | 1017 |
1 files changed, 1017 insertions, 0 deletions
diff --git a/drivers/staging/vt6655/card.c b/drivers/staging/vt6655/card.c new file mode 100644 index 000000000..e00c0605d --- /dev/null +++ b/drivers/staging/vt6655/card.c @@ -0,0 +1,1017 @@ +/* + * 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); +} |