diff options
Diffstat (limited to 'drivers/staging/vt6656/card.c')
| -rw-r--r-- | drivers/staging/vt6656/card.c | 108 |
1 files changed, 48 insertions, 60 deletions
diff --git a/drivers/staging/vt6656/card.c b/drivers/staging/vt6656/card.c index 19d3cf451b88..0d8772858f09 100644 --- a/drivers/staging/vt6656/card.c +++ b/drivers/staging/vt6656/card.c @@ -66,7 +66,7 @@ static int msglevel =MSG_LEVEL_INFO; //const u16 cwRXBCNTSFOff[MAX_RATE] = //{17, 34, 96, 192, 34, 23, 17, 11, 8, 5, 4, 3}; -const u16 cwRXBCNTSFOff[MAX_RATE] = +static const u16 cwRXBCNTSFOff[MAX_RATE] = {192, 96, 34, 17, 34, 23, 17, 11, 8, 5, 4, 3}; /* @@ -75,52 +75,48 @@ const u16 cwRXBCNTSFOff[MAX_RATE] = * Parameters: * In: * pDevice - The adapter to be set - * uConnectionChannel - Channel to be set + * connection_channel - Channel to be set * Out: * none */ -void CARDbSetMediaChannel(struct vnt_private *pDevice, u32 uConnectionChannel) +void CARDbSetMediaChannel(struct vnt_private *priv, u32 connection_channel) { - if (pDevice->byBBType == BB_TYPE_11A) { // 15 ~ 38 - if ((uConnectionChannel < (CB_MAX_CHANNEL_24G+1)) || (uConnectionChannel > CB_MAX_CHANNEL)) - uConnectionChannel = (CB_MAX_CHANNEL_24G+1); - } else { - if ((uConnectionChannel > CB_MAX_CHANNEL_24G) || (uConnectionChannel == 0)) // 1 ~ 14 - uConnectionChannel = 1; - } - - // clear NAV - MACvRegBitsOn(pDevice, MAC_REG_MACCR, MACCR_CLRNAV); - - // Set Channel[7] = 0 to tell H/W channel is changing now. - MACvRegBitsOff(pDevice, MAC_REG_CHANNEL, 0x80); - - //if (pMgmt->uCurrChannel == uConnectionChannel) - // return bResult; - - CONTROLnsRequestOut(pDevice, - MESSAGE_TYPE_SELECT_CHANNLE, - (u16) uConnectionChannel, - 0, - 0, - NULL - ); + if (priv->byBBType == BB_TYPE_11A) { + if ((connection_channel < (CB_MAX_CHANNEL_24G + 1)) || + (connection_channel > CB_MAX_CHANNEL)) + connection_channel = (CB_MAX_CHANNEL_24G + 1); + } else { + if ((connection_channel > CB_MAX_CHANNEL_24G) || + (connection_channel == 0)) + connection_channel = 1; + } - //{{ RobertYu: 20041202 - //// TX_PE will reserve 3 us for MAX2829 A mode only, it is for better TX throughput + /* clear NAV */ + MACvRegBitsOn(priv, MAC_REG_MACCR, MACCR_CLRNAV); + + /* Set Channel[7] = 0 to tell H/W channel is changing now. */ + MACvRegBitsOff(priv, MAC_REG_CHANNEL, 0xb0); + + CONTROLnsRequestOut(priv, MESSAGE_TYPE_SELECT_CHANNLE, + connection_channel, 0, 0, NULL); + + if (priv->byBBType == BB_TYPE_11A) { + priv->byCurPwr = 0xff; + RFbRawSetPower(priv, + priv->abyOFDMAPwrTbl[connection_channel-15], RATE_54M); + } else if (priv->byBBType == BB_TYPE_11G) { + priv->byCurPwr = 0xff; + RFbRawSetPower(priv, + priv->abyOFDMPwrTbl[connection_channel-1], RATE_54M); + } else { + priv->byCurPwr = 0xff; + RFbRawSetPower(priv, + priv->abyCCKPwrTbl[connection_channel-1], RATE_1M); + } - if (pDevice->byBBType == BB_TYPE_11A) { - pDevice->byCurPwr = 0xFF; - RFbRawSetPower(pDevice, pDevice->abyOFDMAPwrTbl[uConnectionChannel-15], RATE_54M); - } else if (pDevice->byBBType == BB_TYPE_11G) { - pDevice->byCurPwr = 0xFF; - RFbRawSetPower(pDevice, pDevice->abyOFDMPwrTbl[uConnectionChannel-1], RATE_54M); - } else { - pDevice->byCurPwr = 0xFF; - RFbRawSetPower(pDevice, pDevice->abyCCKPwrTbl[uConnectionChannel-1], RATE_1M); - } - ControlvWriteByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_CHANNEL,(u8)(uConnectionChannel|0x80)); + ControlvWriteByte(priv, MESSAGE_REQUEST_MACREG, MAC_REG_CHANNEL, + (u8)(connection_channel|0x80)); } /* @@ -205,7 +201,7 @@ static u16 swGetOFDMControlRate(struct vnt_private *pDevice, u16 wRateIdx) * Return Value: none * */ -void +static void CARDvCalculateOFDMRParameter ( u16 wRate, u8 byBBType, @@ -724,28 +720,20 @@ bool CARDbClearCurrentTSF(struct vnt_private *pDevice) */ u64 CARDqGetNextTBTT(u64 qwTSF, u16 wBeaconInterval) { + u32 uBeaconInterval; - unsigned int uLowNextTBTT; - unsigned int uHighRemain, uLowRemain; - unsigned int uBeaconInterval; - - uBeaconInterval = wBeaconInterval * 1024; - // Next TBTT = ((local_current_TSF / beacon_interval) + 1 ) * beacon_interval - uLowNextTBTT = ((qwTSF & 0xffffffffU) >> 10) << 10; - uLowRemain = (uLowNextTBTT) % uBeaconInterval; - uHighRemain = ((0x80000000 % uBeaconInterval) * 2 * (u32)(qwTSF >> 32)) - % uBeaconInterval; - uLowRemain = (uHighRemain + uLowRemain) % uBeaconInterval; - uLowRemain = uBeaconInterval - uLowRemain; + uBeaconInterval = wBeaconInterval * 1024; - // check if carry when add one beacon interval - if ((~uLowNextTBTT) < uLowRemain) - qwTSF = ((qwTSF >> 32) + 1) << 32; - - qwTSF = (qwTSF & 0xffffffff00000000ULL) | - (u64)(uLowNextTBTT + uLowRemain); + /* Next TBTT = + * ((local_current_TSF / beacon_interval) + 1) * beacon_interval + */ + if (uBeaconInterval) { + do_div(qwTSF, uBeaconInterval); + qwTSF += 1; + qwTSF *= uBeaconInterval; + } - return (qwTSF); + return qwTSF; } /* |