// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* 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 iobase.
* 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:
* priv - The adapter to be set
* Out:
* none
*
* Return Value: None.
*/
bool CARDbSetPhyParameter(struct vnt_private *priv, u8 bb_type)
{
unsigned char byCWMaxMin = 0;
unsigned char bySlot = 0;
unsigned char bySIFS = 0;