// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
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* All rights reserved.
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*
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* File: card.c
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* Purpose: Provide functions to setup NIC operation mode
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* Functions:
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* s_vSafeResetTx - Rest Tx
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* CARDvSetRSPINF - Set RSPINF
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* CARDvUpdateBasicTopRate - Update BasicTopRate
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* CARDbAddBasicRate - Add to BasicRateSet
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* CARDbIsOFDMinBasicRate - Check if any OFDM rate is in BasicRateSet
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* CARDqGetTSFOffset - Calculate TSFOffset
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* CARDbGetCurrentTSF - Read Current NIC TSF counter
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* CARDqGetNextTBTT - Calculate Next Beacon TSF counter
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* CARDvSetFirstNextTBTT - Set NIC Beacon time
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* CARDvUpdateNextTBTT - Sync. NIC Beacon time
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* CARDbRadioPowerOff - Turn Off NIC Radio Power
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*
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* Revision History:
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* 06-10-2003 Bryan YC Fan: Re-write codes to support VT3253 spec.
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* 08-26-2003 Kyle Hsu: Modify the defination type of iobase.
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* 09-01-2003 Bryan YC Fan: Add vUpdateIFS().
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*
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*/
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#include "tmacro.h"
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#include "card.h"
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#include "baseband.h"
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#include "mac.h"
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#include "desc.h"
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#include "rf.h"
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#include "power.h"
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/*--------------------- Static Definitions -------------------------*/
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#define C_SIFS_A 16 /* micro sec. */
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#define C_SIFS_BG 10
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#define C_EIFS 80 /* micro sec. */
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#define C_SLOT_SHORT 9 /* micro sec. */
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#define C_SLOT_LONG 20
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#define C_CWMIN_A 15 /* slot time */
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#define C_CWMIN_B 31
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#define C_CWMAX 1023 /* slot time */
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#define WAIT_BEACON_TX_DOWN_TMO 3 /* Times */
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/*--------------------- Static Variables --------------------------*/
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static const unsigned short cwRXBCNTSFOff[MAX_RATE] = {
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17, 17, 17, 17, 34, 23, 17, 11, 8, 5, 4, 3};
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/*--------------------- Static Functions --------------------------*/
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static void s_vCalculateOFDMRParameter(unsigned char byRate, u8 bb_type,
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unsigned char *pbyTxRate,
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unsigned char *pbyRsvTime);
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/*--------------------- Export Functions --------------------------*/
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/*
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* Description: Calculate TxRate and RsvTime fields for RSPINF in OFDM mode.
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*
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* Parameters:
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* In:
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* wRate - Tx Rate
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* byPktType - Tx Packet type
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* Out:
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* pbyTxRate - pointer to RSPINF TxRate field
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* pbyRsvTime - pointer to RSPINF RsvTime field
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*
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* Return Value: none
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*/
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static void s_vCalculateOFDMRParameter(unsigned char byRate,
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u8 bb_type,
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unsigned char *pbyTxRate,
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unsigned char *pbyRsvTime)
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{
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switch (byRate) {
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case RATE_6M:
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if (bb_type == BB_TYPE_11A) { /* 5GHZ */
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*pbyTxRate = 0x9B;
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*pbyRsvTime = 44;
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} else {
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*pbyTxRate = 0x8B;
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*pbyRsvTime = 50;
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}
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break;
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case RATE_9M:
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if (bb_type == BB_TYPE_11A) { /* 5GHZ */
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*pbyTxRate = 0x9F;
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*pbyRsvTime = 36;
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} else {
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*pbyTxRate = 0x8F;
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*pbyRsvTime = 42;
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}
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break;
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case RATE_12M:
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if (bb_type == BB_TYPE_11A) { /* 5GHZ */
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*pbyTxRate = 0x9A;
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*pbyRsvTime = 32;
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} else {
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*pbyTxRate = 0x8A;
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*pbyRsvTime = 38;
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}
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break;
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case RATE_18M:
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if (bb_type == BB_TYPE_11A) { /* 5GHZ */
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*pbyTxRate = 0x9E;
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*pbyRsvTime = 28;
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} else {
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*pbyTxRate = 0x8E;
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*pbyRsvTime = 34;
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}
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break;
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case RATE_36M:
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if (bb_type == BB_TYPE_11A) { /* 5GHZ */
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*pbyTxRate = 0x9D;
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*pbyRsvTime = 24;
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} else {
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*pbyTxRate = 0x8D;
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*pbyRsvTime = 30;
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}
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break;
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case RATE_48M:
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if (bb_type == BB_TYPE_11A) { /* 5GHZ */
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*pbyTxRate = 0x98;
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*pbyRsvTime = 24;
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} else {
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*pbyTxRate = 0x88;
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*pbyRsvTime = 30;
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}
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break;
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case RATE_54M:
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if (bb_type == BB_TYPE_11A) { /* 5GHZ */
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*pbyTxRate = 0x9C;
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*pbyRsvTime = 24;
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} else {
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*pbyTxRate = 0x8C;
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*pbyRsvTime = 30;
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}
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break;
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case RATE_24M:
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default:
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if (bb_type == BB_TYPE_11A) { /* 5GHZ */
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*pbyTxRate = 0x99;
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*pbyRsvTime = 28;
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} else {
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*pbyTxRate = 0x89;
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*pbyRsvTime = 34;
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}
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break;
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}
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}
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/*--------------------- Export Functions --------------------------*/
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/*
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* Description: Update IFS
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*
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* Parameters:
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* In:
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* priv - The adapter to be set
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* Out:
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* none
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*
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* Return Value: None.
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*/
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bool CARDbSetPhyParameter(struct vnt_private *priv, u8 bb_type)
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{
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unsigned char byCWMaxMin = 0;
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unsigned char bySlot = 0;
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unsigned char bySIFS = 0;
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unsigned char byDIFS = 0;
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unsigned char byData;
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int i;
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/* Set SIFS, DIFS, EIFS, SlotTime, CwMin */
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if (bb_type == BB_TYPE_11A) {
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if (priv->byRFType == RF_AIROHA7230) {
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/* AL7230 use single PAPE and connect to PAPE_2.4G */
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MACvSetBBType(priv->PortOffset, BB_TYPE_11G);
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priv->abyBBVGA[0] = 0x20;
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priv->abyBBVGA[2] = 0x10;
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priv->abyBBVGA[3] = 0x10;
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bb_read_embedded(priv, 0xE7, &byData);
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if (byData == 0x1C)
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bb_write_embedded(priv, 0xE7, priv->abyBBVGA[0]);
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} else if (priv->byRFType == RF_UW2452) {
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MACvSetBBType(priv->PortOffset, BB_TYPE_11A);
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priv->abyBBVGA[0] = 0x18;
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bb_read_embedded(priv, 0xE7, &byData);
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if (byData == 0x14) {
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bb_write_embedded(priv, 0xE7, priv->abyBBVGA[0]);
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bb_write_embedded(priv, 0xE1, 0x57);
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}
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} else {
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MACvSetBBType(priv->PortOffset, BB_TYPE_11A);
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}
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bb_write_embedded(priv, 0x88, 0x03);
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bySlot = C_SLOT_SHORT;
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bySIFS = C_SIFS_A;
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byDIFS = C_SIFS_A + 2 * C_SLOT_SHORT;
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byCWMaxMin = 0xA4;
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} else if (bb_type == BB_TYPE_11B) {
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MACvSetBBType(priv->PortOffset, BB_TYPE_11B);
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if (priv->byRFType == RF_AIROHA7230) {
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priv->abyBBVGA[0] = 0x1C;
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priv->abyBBVGA[2] = 0x00;
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priv->abyBBVGA[3] = 0x00;
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bb_read_embedded(priv, 0xE7, &byData);
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if (byData == 0x20)
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bb_write_embedded(priv, 0xE7, priv->abyBBVGA[0]);
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} else if (priv->byRFType == RF_UW2452) {
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priv->abyBBVGA[0] = 0x14;
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bb_read_embedded(priv, 0xE7, &byData);
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if (byData == 0x18) {
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bb_write_embedded(priv, 0xE7, priv->abyBBVGA[0]);
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bb_write_embedded(priv, 0xE1, 0xD3);
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}
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}
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bb_write_embedded(priv, 0x88, 0x02);
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bySlot = C_SLOT_LONG;
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bySIFS = C_SIFS_BG;
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byDIFS = C_SIFS_BG + 2 * C_SLOT_LONG;
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byCWMaxMin = 0xA5;
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} else { /* PK_TYPE_11GA & PK_TYPE_11GB */
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MACvSetBBType(priv->PortOffset, BB_TYPE_11G);
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if (priv->byRFType == RF_AIROHA7230) {
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priv->abyBBVGA[0] = 0x1C;
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priv->abyBBVGA[2] = 0x00;
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priv->abyBBVGA[3] = 0x00;
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bb_read_embedded(priv, 0xE7, &byData);
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if (byData == 0x20)
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bb_write_embedded(priv, 0xE7, priv->abyBBVGA[0]);
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} else if (priv->byRFType == RF_UW2452) {
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priv->abyBBVGA[0] = 0x14;
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bb_read_embedded(priv, 0xE7, &byData);
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if (byData == 0x18) {
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bb_write_embedded(priv, 0xE7, priv->abyBBVGA[0]);
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bb_write_embedded(priv, 0xE1, 0xD3);
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}
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}
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bb_write_embedded(priv, 0x88, 0x08);
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bySIFS = C_SIFS_BG;
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if (priv->bShortSlotTime) {
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bySlot = C_SLOT_SHORT;
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byDIFS = C_SIFS_BG + 2 * C_SLOT_SHORT;
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} else {
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bySlot = C_SLOT_LONG;
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byDIFS = C_SIFS_BG + 2 * C_SLOT_LONG;
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}
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byCWMaxMin = 0xa4;
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for (i = RATE_54M; i >= RATE_6M; i--) {
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if (priv->basic_rates & ((u32)(0x1 << i))) {
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byCWMaxMin |= 0x1;
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break;
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}
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}
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}
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if (priv->byRFType == RF_RFMD2959) {
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/*
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* bcs TX_PE will reserve 3 us hardware's processing
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* time here is 2 us.
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*/
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bySIFS -= 3;
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byDIFS -= 3;
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/*
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* TX_PE will reserve 3 us for MAX2829 A mode only, it is for
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* better TX throughput; MAC will need 2 us to process, so the
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* SIFS, DIFS can be shorter by 2 us.
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*/
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}
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if (priv->bySIFS != bySIFS) {
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priv->bySIFS = bySIFS;
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VNSvOutPortB(priv->PortOffset + MAC_REG_SIFS, priv->bySIFS);
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}
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if (priv->byDIFS != byDIFS) {
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priv->byDIFS = byDIFS;
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VNSvOutPortB(priv->PortOffset + MAC_REG_DIFS, priv->byDIFS);
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}
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if (priv->byEIFS != C_EIFS) {
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priv->byEIFS = C_EIFS;
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VNSvOutPortB(priv->PortOffset + MAC_REG_EIFS, priv->byEIFS);
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}
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if (priv->bySlot != bySlot) {
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priv->bySlot = bySlot;
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VNSvOutPortB(priv->PortOffset + MAC_REG_SLOT, priv->bySlot);
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bb_set_short_slot_time(priv);
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}
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if (priv->byCWMaxMin != byCWMaxMin) {
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priv->byCWMaxMin = byCWMaxMin;
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VNSvOutPortB(priv->PortOffset + MAC_REG_CWMAXMIN0,
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priv->byCWMaxMin);
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}
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priv->byPacketType = CARDbyGetPktType(priv);
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CARDvSetRSPINF(priv, bb_type);
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return true;
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}
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/*
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* Description: Sync. TSF counter to BSS
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* Get TSF offset and write to HW
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*
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* Parameters:
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* In:
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* priv - The adapter to be sync.
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* byRxRate - data rate of receive beacon
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* qwBSSTimestamp - Rx BCN's TSF
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* qwLocalTSF - Local TSF
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* Out:
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* none
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*
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* Return Value: none
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*/
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bool CARDbUpdateTSF(struct vnt_private *priv, unsigned char byRxRate,
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u64 qwBSSTimestamp)
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{
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u64 local_tsf;
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u64 qwTSFOffset = 0;
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CARDbGetCurrentTSF(priv, &local_tsf);
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if (qwBSSTimestamp != local_tsf) {
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qwTSFOffset = CARDqGetTSFOffset(byRxRate, qwBSSTimestamp,
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local_tsf);
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/* adjust TSF, HW's TSF add TSF Offset reg */
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VNSvOutPortD(priv->PortOffset + MAC_REG_TSFOFST,
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(u32)qwTSFOffset);
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VNSvOutPortD(priv->PortOffset + MAC_REG_TSFOFST + 4,
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(u32)(qwTSFOffset >> 32));
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MACvRegBitsOn(priv->PortOffset, MAC_REG_TFTCTL,
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TFTCTL_TSFSYNCEN);
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}
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return true;
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}
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/*
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* Description: Set NIC TSF counter for first Beacon time
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* Get NEXTTBTT from adjusted TSF and Beacon Interval
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*
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* Parameters:
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* In:
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* priv - The adapter to be set.
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* wBeaconInterval - Beacon Interval
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* Out:
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* none
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*
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* Return Value: true if succeed; otherwise false
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*/
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bool CARDbSetBeaconPeriod(struct vnt_private *priv,
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unsigned short wBeaconInterval)
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{
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u64 qwNextTBTT = 0;
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CARDbGetCurrentTSF(priv, &qwNextTBTT); /* Get Local TSF counter */
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qwNextTBTT = CARDqGetNextTBTT(qwNextTBTT, wBeaconInterval);
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/* set HW beacon interval */
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VNSvOutPortW(priv->PortOffset + MAC_REG_BI, wBeaconInterval);
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priv->wBeaconInterval = wBeaconInterval;
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/* Set NextTBTT */
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VNSvOutPortD(priv->PortOffset + MAC_REG_NEXTTBTT, (u32)qwNextTBTT);
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VNSvOutPortD(priv->PortOffset + MAC_REG_NEXTTBTT + 4,
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(u32)(qwNextTBTT >> 32));
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MACvRegBitsOn(priv->PortOffset, MAC_REG_TFTCTL, TFTCTL_TBTTSYNCEN);
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return true;
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}
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/*
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* Description: Turn off Radio power
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*
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* Parameters:
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* In:
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* priv - The adapter to be turned off
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* Out:
|
* none
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*
|
*/
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void CARDbRadioPowerOff(struct vnt_private *priv)
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{
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if (priv->bRadioOff)
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return;
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switch (priv->byRFType) {
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case RF_RFMD2959:
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MACvWordRegBitsOff(priv->PortOffset, MAC_REG_SOFTPWRCTL,
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SOFTPWRCTL_TXPEINV);
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MACvWordRegBitsOn(priv->PortOffset, MAC_REG_SOFTPWRCTL,
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SOFTPWRCTL_SWPE1);
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break;
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case RF_AIROHA:
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case RF_AL2230S:
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case RF_AIROHA7230:
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MACvWordRegBitsOff(priv->PortOffset, MAC_REG_SOFTPWRCTL,
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SOFTPWRCTL_SWPE2);
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MACvWordRegBitsOff(priv->PortOffset, MAC_REG_SOFTPWRCTL,
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SOFTPWRCTL_SWPE3);
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break;
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}
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MACvRegBitsOff(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_RXON);
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|
bb_set_deep_sleep(priv, priv->byLocalID);
|
|
priv->bRadioOff = true;
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pr_debug("chester power off\n");
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MACvRegBitsOn(priv->PortOffset, MAC_REG_GPIOCTL0,
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LED_ACTSET); /* LED issue */
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}
|
|
void CARDvSafeResetTx(struct vnt_private *priv)
|
{
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unsigned int uu;
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struct vnt_tx_desc *pCurrTD;
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/* initialize TD index */
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priv->apTailTD[0] = &priv->apTD0Rings[0];
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priv->apCurrTD[0] = &priv->apTD0Rings[0];
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priv->apTailTD[1] = &priv->apTD1Rings[0];
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priv->apCurrTD[1] = &priv->apTD1Rings[0];
|
|
for (uu = 0; uu < TYPE_MAXTD; uu++)
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priv->iTDUsed[uu] = 0;
|
|
for (uu = 0; uu < priv->opts.tx_descs[0]; uu++) {
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pCurrTD = &priv->apTD0Rings[uu];
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pCurrTD->td0.owner = OWNED_BY_HOST;
|
/* init all Tx Packet pointer to NULL */
|
}
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for (uu = 0; uu < priv->opts.tx_descs[1]; uu++) {
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pCurrTD = &priv->apTD1Rings[uu];
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pCurrTD->td0.owner = OWNED_BY_HOST;
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/* init all Tx Packet pointer to NULL */
|
}
|
|
/* set MAC TD pointer */
|
MACvSetCurrTXDescAddr(TYPE_TXDMA0, priv, priv->td0_pool_dma);
|
|
MACvSetCurrTXDescAddr(TYPE_AC0DMA, priv, priv->td1_pool_dma);
|
|
/* set MAC Beacon TX pointer */
|
MACvSetCurrBCNTxDescAddr(priv->PortOffset,
|
(priv->tx_beacon_dma));
|
}
|
|
/*
|
* Description:
|
* Reset Rx
|
*
|
* Parameters:
|
* In:
|
* priv - Pointer to the adapter
|
* Out:
|
* none
|
*
|
* Return Value: none
|
*/
|
void CARDvSafeResetRx(struct vnt_private *priv)
|
{
|
unsigned int uu;
|
struct vnt_rx_desc *pDesc;
|
|
/* initialize RD index */
|
priv->pCurrRD[0] = &priv->aRD0Ring[0];
|
priv->pCurrRD[1] = &priv->aRD1Ring[0];
|
|
/* init state, all RD is chip's */
|
for (uu = 0; uu < priv->opts.rx_descs0; uu++) {
|
pDesc = &priv->aRD0Ring[uu];
|
pDesc->rd0.res_count = cpu_to_le16(priv->rx_buf_sz);
|
pDesc->rd0.owner = OWNED_BY_NIC;
|
pDesc->rd1.req_count = cpu_to_le16(priv->rx_buf_sz);
|
}
|
|
/* init state, all RD is chip's */
|
for (uu = 0; uu < priv->opts.rx_descs1; uu++) {
|
pDesc = &priv->aRD1Ring[uu];
|
pDesc->rd0.res_count = cpu_to_le16(priv->rx_buf_sz);
|
pDesc->rd0.owner = OWNED_BY_NIC;
|
pDesc->rd1.req_count = cpu_to_le16(priv->rx_buf_sz);
|
}
|
|
/* set perPkt mode */
|
MACvRx0PerPktMode(priv->PortOffset);
|
MACvRx1PerPktMode(priv->PortOffset);
|
/* set MAC RD pointer */
|
MACvSetCurrRx0DescAddr(priv, priv->rd0_pool_dma);
|
|
MACvSetCurrRx1DescAddr(priv, priv->rd1_pool_dma);
|
}
|
|
/*
|
* Description: Get response Control frame rate in CCK mode
|
*
|
* Parameters:
|
* In:
|
* priv - The adapter to be set
|
* wRateIdx - Receiving data rate
|
* Out:
|
* none
|
*
|
* Return Value: response Control frame rate
|
*/
|
static unsigned short CARDwGetCCKControlRate(struct vnt_private *priv,
|
unsigned short wRateIdx)
|
{
|
unsigned int ui = (unsigned int)wRateIdx;
|
|
while (ui > RATE_1M) {
|
if (priv->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:
|
* priv - The adapter to be set
|
* wRateIdx - Receiving data rate
|
* Out:
|
* none
|
*
|
* Return Value: response Control frame rate
|
*/
|
static unsigned short CARDwGetOFDMControlRate(struct vnt_private *priv,
|
unsigned short wRateIdx)
|
{
|
unsigned int ui = (unsigned int)wRateIdx;
|
|
pr_debug("BASIC RATE: %X\n", priv->basic_rates);
|
|
if (!CARDbIsOFDMinBasicRate((void *)priv)) {
|
pr_debug("%s:(NO OFDM) %d\n", __func__, wRateIdx);
|
if (wRateIdx > RATE_24M)
|
wRateIdx = RATE_24M;
|
return wRateIdx;
|
}
|
while (ui > RATE_11M) {
|
if (priv->basic_rates & ((u32)0x1 << ui)) {
|
pr_debug("%s : %d\n", __func__, ui);
|
return (unsigned short)ui;
|
}
|
ui--;
|
}
|
pr_debug("%s: 6M\n", __func__);
|
return (unsigned short)RATE_24M;
|
}
|
|
/*
|
* Description: Set RSPINF
|
*
|
* Parameters:
|
* In:
|
* priv - The adapter to be set
|
* Out:
|
* none
|
*
|
* Return Value: None.
|
*/
|
void CARDvSetRSPINF(struct vnt_private *priv, u8 bb_type)
|
{
|
union vnt_phy_field_swap phy;
|
unsigned char byTxRate, byRsvTime; /* For OFDM */
|
unsigned long flags;
|
|
spin_lock_irqsave(&priv->lock, flags);
|
|
/* Set to Page1 */
|
MACvSelectPage1(priv->PortOffset);
|
|
/* RSPINF_b_1 */
|
vnt_get_phy_field(priv, 14,
|
CARDwGetCCKControlRate(priv, RATE_1M),
|
PK_TYPE_11B, &phy.field_read);
|
|
/* swap over to get correct write order */
|
swap(phy.swap[0], phy.swap[1]);
|
|
VNSvOutPortD(priv->PortOffset + MAC_REG_RSPINF_B_1, phy.field_write);
|
|
/* RSPINF_b_2 */
|
vnt_get_phy_field(priv, 14,
|
CARDwGetCCKControlRate(priv, RATE_2M),
|
PK_TYPE_11B, &phy.field_read);
|
|
swap(phy.swap[0], phy.swap[1]);
|
|
VNSvOutPortD(priv->PortOffset + MAC_REG_RSPINF_B_2, phy.field_write);
|
|
/* RSPINF_b_5 */
|
vnt_get_phy_field(priv, 14,
|
CARDwGetCCKControlRate(priv, RATE_5M),
|
PK_TYPE_11B, &phy.field_read);
|
|
swap(phy.swap[0], phy.swap[1]);
|
|
VNSvOutPortD(priv->PortOffset + MAC_REG_RSPINF_B_5, phy.field_write);
|
|
/* RSPINF_b_11 */
|
vnt_get_phy_field(priv, 14,
|
CARDwGetCCKControlRate(priv, RATE_11M),
|
PK_TYPE_11B, &phy.field_read);
|
|
swap(phy.swap[0], phy.swap[1]);
|
|
VNSvOutPortD(priv->PortOffset + MAC_REG_RSPINF_B_11, phy.field_write);
|
|
/* RSPINF_a_6 */
|
s_vCalculateOFDMRParameter(RATE_6M,
|
bb_type,
|
&byTxRate,
|
&byRsvTime);
|
VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_6,
|
MAKEWORD(byTxRate, byRsvTime));
|
/* RSPINF_a_9 */
|
s_vCalculateOFDMRParameter(RATE_9M,
|
bb_type,
|
&byTxRate,
|
&byRsvTime);
|
VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_9,
|
MAKEWORD(byTxRate, byRsvTime));
|
/* RSPINF_a_12 */
|
s_vCalculateOFDMRParameter(RATE_12M,
|
bb_type,
|
&byTxRate,
|
&byRsvTime);
|
VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_12,
|
MAKEWORD(byTxRate, byRsvTime));
|
/* RSPINF_a_18 */
|
s_vCalculateOFDMRParameter(RATE_18M,
|
bb_type,
|
&byTxRate,
|
&byRsvTime);
|
VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_18,
|
MAKEWORD(byTxRate, byRsvTime));
|
/* RSPINF_a_24 */
|
s_vCalculateOFDMRParameter(RATE_24M,
|
bb_type,
|
&byTxRate,
|
&byRsvTime);
|
VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_24,
|
MAKEWORD(byTxRate, byRsvTime));
|
/* RSPINF_a_36 */
|
s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate((void *)priv,
|
RATE_36M),
|
bb_type,
|
&byTxRate,
|
&byRsvTime);
|
VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_36,
|
MAKEWORD(byTxRate, byRsvTime));
|
/* RSPINF_a_48 */
|
s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate((void *)priv,
|
RATE_48M),
|
bb_type,
|
&byTxRate,
|
&byRsvTime);
|
VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_48,
|
MAKEWORD(byTxRate, byRsvTime));
|
/* RSPINF_a_54 */
|
s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate((void *)priv,
|
RATE_54M),
|
bb_type,
|
&byTxRate,
|
&byRsvTime);
|
VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_54,
|
MAKEWORD(byTxRate, byRsvTime));
|
/* RSPINF_a_72 */
|
s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate((void *)priv,
|
RATE_54M),
|
bb_type,
|
&byTxRate,
|
&byRsvTime);
|
VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_72,
|
MAKEWORD(byTxRate, byRsvTime));
|
/* Set to Page0 */
|
MACvSelectPage0(priv->PortOffset);
|
|
spin_unlock_irqrestore(&priv->lock, flags);
|
}
|
|
void CARDvUpdateBasicTopRate(struct vnt_private *priv)
|
{
|
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 ((priv->basic_rates) & ((u32)(1 << ii))) {
|
byTopOFDM = ii;
|
break;
|
}
|
}
|
priv->byTopOFDMBasicRate = byTopOFDM;
|
|
for (ii = RATE_11M;; ii--) {
|
if ((priv->basic_rates) & ((u32)(1 << ii))) {
|
byTopCCK = ii;
|
break;
|
}
|
if (ii == RATE_1M)
|
break;
|
}
|
priv->byTopCCKBasicRate = byTopCCK;
|
}
|
|
bool CARDbIsOFDMinBasicRate(struct vnt_private *priv)
|
{
|
int ii;
|
|
for (ii = RATE_54M; ii >= RATE_6M; ii--) {
|
if ((priv->basic_rates) & ((u32)BIT(ii)))
|
return true;
|
}
|
return false;
|
}
|
|
unsigned char CARDbyGetPktType(struct vnt_private *priv)
|
{
|
if (priv->byBBType == BB_TYPE_11A || priv->byBBType == BB_TYPE_11B)
|
return (unsigned char)priv->byBBType;
|
else if (CARDbIsOFDMinBasicRate((void *)priv))
|
return PK_TYPE_11GA;
|
else
|
return PK_TYPE_11GB;
|
}
|
|
/*
|
* Description: Calculate TSF offset of two TSF input
|
* Get TSF Offset from RxBCN's TSF and local TSF
|
*
|
* Parameters:
|
* In:
|
* priv - 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)
|
{
|
unsigned short wRxBcnTSFOffst;
|
|
wRxBcnTSFOffst = cwRXBCNTSFOff[byRxRate % MAX_RATE];
|
|
qwTSF2 += (u64)wRxBcnTSFOffst;
|
|
return qwTSF1 - qwTSF2;
|
}
|
|
/*
|
* Description: Read NIC TSF counter
|
* Get local TSF counter
|
*
|
* Parameters:
|
* In:
|
* priv - 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 *iobase = priv->PortOffset;
|
unsigned short ww;
|
unsigned char byData;
|
|
MACvRegBitsOn(iobase, MAC_REG_TFTCTL, TFTCTL_TSFCNTRRD);
|
for (ww = 0; ww < W_MAX_TIMEOUT; ww++) {
|
VNSvInPortB(iobase + MAC_REG_TFTCTL, &byData);
|
if (!(byData & TFTCTL_TSFCNTRRD))
|
break;
|
}
|
if (ww == W_MAX_TIMEOUT)
|
return false;
|
VNSvInPortD(iobase + MAC_REG_TSFCNTR, (u32 *)pqwCurrTSF);
|
VNSvInPortD(iobase + 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:
|
* iobase - IO Base
|
* wBeaconInterval - Beacon Interval
|
* Out:
|
* none
|
*
|
* Return Value: none
|
*/
|
void CARDvSetFirstNextTBTT(struct vnt_private *priv,
|
unsigned short wBeaconInterval)
|
{
|
void __iomem *iobase = priv->PortOffset;
|
u64 qwNextTBTT = 0;
|
|
CARDbGetCurrentTSF(priv, &qwNextTBTT); /* Get Local TSF counter */
|
|
qwNextTBTT = CARDqGetNextTBTT(qwNextTBTT, wBeaconInterval);
|
/* Set NextTBTT */
|
VNSvOutPortD(iobase + MAC_REG_NEXTTBTT, (u32)qwNextTBTT);
|
VNSvOutPortD(iobase + MAC_REG_NEXTTBTT + 4, (u32)(qwNextTBTT >> 32));
|
MACvRegBitsOn(iobase, MAC_REG_TFTCTL, TFTCTL_TBTTSYNCEN);
|
}
|
|
/*
|
* Description: Sync NIC TSF counter for Beacon time
|
* Get NEXTTBTT and write to HW
|
*
|
* Parameters:
|
* In:
|
* priv - 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 *iobase = priv->PortOffset;
|
|
qwTSF = CARDqGetNextTBTT(qwTSF, wBeaconInterval);
|
/* Set NextTBTT */
|
VNSvOutPortD(iobase + MAC_REG_NEXTTBTT, (u32)qwTSF);
|
VNSvOutPortD(iobase + MAC_REG_NEXTTBTT + 4, (u32)(qwTSF >> 32));
|
MACvRegBitsOn(iobase, MAC_REG_TFTCTL, TFTCTL_TBTTSYNCEN);
|
pr_debug("Card:Update Next TBTT[%8llx]\n", qwTSF);
|
}
|
