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path: root/drivers/net/wireless/ath/ath9k/mac.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/mac.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/mac.c571
1 files changed, 236 insertions, 335 deletions
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index efc420cd42bf..0e425cb4bbb1 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -25,14 +25,21 @@ static void ath9k_hw_set_txq_interrupts(struct ath_hw *ah,
ah->txdesc_interrupt_mask, ah->txeol_interrupt_mask,
ah->txurn_interrupt_mask);
+ ENABLE_REGWRITE_BUFFER(ah);
+
REG_WRITE(ah, AR_IMR_S0,
SM(ah->txok_interrupt_mask, AR_IMR_S0_QCU_TXOK)
| SM(ah->txdesc_interrupt_mask, AR_IMR_S0_QCU_TXDESC));
REG_WRITE(ah, AR_IMR_S1,
SM(ah->txerr_interrupt_mask, AR_IMR_S1_QCU_TXERR)
| SM(ah->txeol_interrupt_mask, AR_IMR_S1_QCU_TXEOL));
- REG_RMW_FIELD(ah, AR_IMR_S2,
- AR_IMR_S2_QCU_TXURN, ah->txurn_interrupt_mask);
+
+ ah->imrs2_reg &= ~AR_IMR_S2_QCU_TXURN;
+ ah->imrs2_reg |= (ah->txurn_interrupt_mask & AR_IMR_S2_QCU_TXURN);
+ REG_WRITE(ah, AR_IMR_S2, ah->imrs2_reg);
+
+ REGWRITE_BUFFER_FLUSH(ah);
+ DISABLE_REGWRITE_BUFFER(ah);
}
u32 ath9k_hw_gettxbuf(struct ath_hw *ah, u32 q)
@@ -55,6 +62,18 @@ void ath9k_hw_txstart(struct ath_hw *ah, u32 q)
}
EXPORT_SYMBOL(ath9k_hw_txstart);
+void ath9k_hw_cleartxdesc(struct ath_hw *ah, void *ds)
+{
+ struct ar5416_desc *ads = AR5416DESC(ds);
+
+ ads->ds_txstatus0 = ads->ds_txstatus1 = 0;
+ ads->ds_txstatus2 = ads->ds_txstatus3 = 0;
+ ads->ds_txstatus4 = ads->ds_txstatus5 = 0;
+ ads->ds_txstatus6 = ads->ds_txstatus7 = 0;
+ ads->ds_txstatus8 = ads->ds_txstatus9 = 0;
+}
+EXPORT_SYMBOL(ath9k_hw_cleartxdesc);
+
u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q)
{
u32 npend;
@@ -103,7 +122,7 @@ bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel)
if (ah->tx_trig_level >= ah->config.max_txtrig_level)
return false;
- omask = ath9k_hw_set_interrupts(ah, ah->mask_reg & ~ATH9K_INT_GLOBAL);
+ omask = ath9k_hw_set_interrupts(ah, ah->imask & ~ATH9K_INT_GLOBAL);
txcfg = REG_READ(ah, AR_TXCFG);
curLevel = MS(txcfg, AR_FTRIG);
@@ -205,280 +224,6 @@ bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q)
}
EXPORT_SYMBOL(ath9k_hw_stoptxdma);
-void ath9k_hw_filltxdesc(struct ath_hw *ah, struct ath_desc *ds,
- u32 segLen, bool firstSeg,
- bool lastSeg, const struct ath_desc *ds0)
-{
- struct ar5416_desc *ads = AR5416DESC(ds);
-
- if (firstSeg) {
- ads->ds_ctl1 |= segLen | (lastSeg ? 0 : AR_TxMore);
- } else if (lastSeg) {
- ads->ds_ctl0 = 0;
- ads->ds_ctl1 = segLen;
- ads->ds_ctl2 = AR5416DESC_CONST(ds0)->ds_ctl2;
- ads->ds_ctl3 = AR5416DESC_CONST(ds0)->ds_ctl3;
- } else {
- ads->ds_ctl0 = 0;
- ads->ds_ctl1 = segLen | AR_TxMore;
- ads->ds_ctl2 = 0;
- ads->ds_ctl3 = 0;
- }
- ads->ds_txstatus0 = ads->ds_txstatus1 = 0;
- ads->ds_txstatus2 = ads->ds_txstatus3 = 0;
- ads->ds_txstatus4 = ads->ds_txstatus5 = 0;
- ads->ds_txstatus6 = ads->ds_txstatus7 = 0;
- ads->ds_txstatus8 = ads->ds_txstatus9 = 0;
-}
-EXPORT_SYMBOL(ath9k_hw_filltxdesc);
-
-void ath9k_hw_cleartxdesc(struct ath_hw *ah, struct ath_desc *ds)
-{
- struct ar5416_desc *ads = AR5416DESC(ds);
-
- ads->ds_txstatus0 = ads->ds_txstatus1 = 0;
- ads->ds_txstatus2 = ads->ds_txstatus3 = 0;
- ads->ds_txstatus4 = ads->ds_txstatus5 = 0;
- ads->ds_txstatus6 = ads->ds_txstatus7 = 0;
- ads->ds_txstatus8 = ads->ds_txstatus9 = 0;
-}
-EXPORT_SYMBOL(ath9k_hw_cleartxdesc);
-
-int ath9k_hw_txprocdesc(struct ath_hw *ah, struct ath_desc *ds)
-{
- struct ar5416_desc *ads = AR5416DESC(ds);
-
- if ((ads->ds_txstatus9 & AR_TxDone) == 0)
- return -EINPROGRESS;
-
- ds->ds_txstat.ts_seqnum = MS(ads->ds_txstatus9, AR_SeqNum);
- ds->ds_txstat.ts_tstamp = ads->AR_SendTimestamp;
- ds->ds_txstat.ts_status = 0;
- ds->ds_txstat.ts_flags = 0;
-
- if (ads->ds_txstatus1 & AR_FrmXmitOK)
- ds->ds_txstat.ts_status |= ATH9K_TX_ACKED;
- if (ads->ds_txstatus1 & AR_ExcessiveRetries)
- ds->ds_txstat.ts_status |= ATH9K_TXERR_XRETRY;
- if (ads->ds_txstatus1 & AR_Filtered)
- ds->ds_txstat.ts_status |= ATH9K_TXERR_FILT;
- if (ads->ds_txstatus1 & AR_FIFOUnderrun) {
- ds->ds_txstat.ts_status |= ATH9K_TXERR_FIFO;
- ath9k_hw_updatetxtriglevel(ah, true);
- }
- if (ads->ds_txstatus9 & AR_TxOpExceeded)
- ds->ds_txstat.ts_status |= ATH9K_TXERR_XTXOP;
- if (ads->ds_txstatus1 & AR_TxTimerExpired)
- ds->ds_txstat.ts_status |= ATH9K_TXERR_TIMER_EXPIRED;
-
- if (ads->ds_txstatus1 & AR_DescCfgErr)
- ds->ds_txstat.ts_flags |= ATH9K_TX_DESC_CFG_ERR;
- if (ads->ds_txstatus1 & AR_TxDataUnderrun) {
- ds->ds_txstat.ts_flags |= ATH9K_TX_DATA_UNDERRUN;
- ath9k_hw_updatetxtriglevel(ah, true);
- }
- if (ads->ds_txstatus1 & AR_TxDelimUnderrun) {
- ds->ds_txstat.ts_flags |= ATH9K_TX_DELIM_UNDERRUN;
- ath9k_hw_updatetxtriglevel(ah, true);
- }
- if (ads->ds_txstatus0 & AR_TxBaStatus) {
- ds->ds_txstat.ts_flags |= ATH9K_TX_BA;
- ds->ds_txstat.ba_low = ads->AR_BaBitmapLow;
- ds->ds_txstat.ba_high = ads->AR_BaBitmapHigh;
- }
-
- ds->ds_txstat.ts_rateindex = MS(ads->ds_txstatus9, AR_FinalTxIdx);
- switch (ds->ds_txstat.ts_rateindex) {
- case 0:
- ds->ds_txstat.ts_ratecode = MS(ads->ds_ctl3, AR_XmitRate0);
- break;
- case 1:
- ds->ds_txstat.ts_ratecode = MS(ads->ds_ctl3, AR_XmitRate1);
- break;
- case 2:
- ds->ds_txstat.ts_ratecode = MS(ads->ds_ctl3, AR_XmitRate2);
- break;
- case 3:
- ds->ds_txstat.ts_ratecode = MS(ads->ds_ctl3, AR_XmitRate3);
- break;
- }
-
- ds->ds_txstat.ts_rssi = MS(ads->ds_txstatus5, AR_TxRSSICombined);
- ds->ds_txstat.ts_rssi_ctl0 = MS(ads->ds_txstatus0, AR_TxRSSIAnt00);
- ds->ds_txstat.ts_rssi_ctl1 = MS(ads->ds_txstatus0, AR_TxRSSIAnt01);
- ds->ds_txstat.ts_rssi_ctl2 = MS(ads->ds_txstatus0, AR_TxRSSIAnt02);
- ds->ds_txstat.ts_rssi_ext0 = MS(ads->ds_txstatus5, AR_TxRSSIAnt10);
- ds->ds_txstat.ts_rssi_ext1 = MS(ads->ds_txstatus5, AR_TxRSSIAnt11);
- ds->ds_txstat.ts_rssi_ext2 = MS(ads->ds_txstatus5, AR_TxRSSIAnt12);
- ds->ds_txstat.evm0 = ads->AR_TxEVM0;
- ds->ds_txstat.evm1 = ads->AR_TxEVM1;
- ds->ds_txstat.evm2 = ads->AR_TxEVM2;
- ds->ds_txstat.ts_shortretry = MS(ads->ds_txstatus1, AR_RTSFailCnt);
- ds->ds_txstat.ts_longretry = MS(ads->ds_txstatus1, AR_DataFailCnt);
- ds->ds_txstat.ts_virtcol = MS(ads->ds_txstatus1, AR_VirtRetryCnt);
- ds->ds_txstat.ts_antenna = 0;
-
- return 0;
-}
-EXPORT_SYMBOL(ath9k_hw_txprocdesc);
-
-void ath9k_hw_set11n_txdesc(struct ath_hw *ah, struct ath_desc *ds,
- u32 pktLen, enum ath9k_pkt_type type, u32 txPower,
- u32 keyIx, enum ath9k_key_type keyType, u32 flags)
-{
- struct ar5416_desc *ads = AR5416DESC(ds);
-
- txPower += ah->txpower_indexoffset;
- if (txPower > 63)
- txPower = 63;
-
- ads->ds_ctl0 = (pktLen & AR_FrameLen)
- | (flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
- | SM(txPower, AR_XmitPower)
- | (flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
- | (flags & ATH9K_TXDESC_CLRDMASK ? AR_ClrDestMask : 0)
- | (flags & ATH9K_TXDESC_INTREQ ? AR_TxIntrReq : 0)
- | (keyIx != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0);
-
- ads->ds_ctl1 =
- (keyIx != ATH9K_TXKEYIX_INVALID ? SM(keyIx, AR_DestIdx) : 0)
- | SM(type, AR_FrameType)
- | (flags & ATH9K_TXDESC_NOACK ? AR_NoAck : 0)
- | (flags & ATH9K_TXDESC_EXT_ONLY ? AR_ExtOnly : 0)
- | (flags & ATH9K_TXDESC_EXT_AND_CTL ? AR_ExtAndCtl : 0);
-
- ads->ds_ctl6 = SM(keyType, AR_EncrType);
-
- if (AR_SREV_9285(ah)) {
- ads->ds_ctl8 = 0;
- ads->ds_ctl9 = 0;
- ads->ds_ctl10 = 0;
- ads->ds_ctl11 = 0;
- }
-}
-EXPORT_SYMBOL(ath9k_hw_set11n_txdesc);
-
-void ath9k_hw_set11n_ratescenario(struct ath_hw *ah, struct ath_desc *ds,
- struct ath_desc *lastds,
- u32 durUpdateEn, u32 rtsctsRate,
- u32 rtsctsDuration,
- struct ath9k_11n_rate_series series[],
- u32 nseries, u32 flags)
-{
- struct ar5416_desc *ads = AR5416DESC(ds);
- struct ar5416_desc *last_ads = AR5416DESC(lastds);
- u32 ds_ctl0;
-
- if (flags & (ATH9K_TXDESC_RTSENA | ATH9K_TXDESC_CTSENA)) {
- ds_ctl0 = ads->ds_ctl0;
-
- if (flags & ATH9K_TXDESC_RTSENA) {
- ds_ctl0 &= ~AR_CTSEnable;
- ds_ctl0 |= AR_RTSEnable;
- } else {
- ds_ctl0 &= ~AR_RTSEnable;
- ds_ctl0 |= AR_CTSEnable;
- }
-
- ads->ds_ctl0 = ds_ctl0;
- } else {
- ads->ds_ctl0 =
- (ads->ds_ctl0 & ~(AR_RTSEnable | AR_CTSEnable));
- }
-
- ads->ds_ctl2 = set11nTries(series, 0)
- | set11nTries(series, 1)
- | set11nTries(series, 2)
- | set11nTries(series, 3)
- | (durUpdateEn ? AR_DurUpdateEna : 0)
- | SM(0, AR_BurstDur);
-
- ads->ds_ctl3 = set11nRate(series, 0)
- | set11nRate(series, 1)
- | set11nRate(series, 2)
- | set11nRate(series, 3);
-
- ads->ds_ctl4 = set11nPktDurRTSCTS(series, 0)
- | set11nPktDurRTSCTS(series, 1);
-
- ads->ds_ctl5 = set11nPktDurRTSCTS(series, 2)
- | set11nPktDurRTSCTS(series, 3);
-
- ads->ds_ctl7 = set11nRateFlags(series, 0)
- | set11nRateFlags(series, 1)
- | set11nRateFlags(series, 2)
- | set11nRateFlags(series, 3)
- | SM(rtsctsRate, AR_RTSCTSRate);
- last_ads->ds_ctl2 = ads->ds_ctl2;
- last_ads->ds_ctl3 = ads->ds_ctl3;
-}
-EXPORT_SYMBOL(ath9k_hw_set11n_ratescenario);
-
-void ath9k_hw_set11n_aggr_first(struct ath_hw *ah, struct ath_desc *ds,
- u32 aggrLen)
-{
- struct ar5416_desc *ads = AR5416DESC(ds);
-
- ads->ds_ctl1 |= (AR_IsAggr | AR_MoreAggr);
- ads->ds_ctl6 &= ~AR_AggrLen;
- ads->ds_ctl6 |= SM(aggrLen, AR_AggrLen);
-}
-EXPORT_SYMBOL(ath9k_hw_set11n_aggr_first);
-
-void ath9k_hw_set11n_aggr_middle(struct ath_hw *ah, struct ath_desc *ds,
- u32 numDelims)
-{
- struct ar5416_desc *ads = AR5416DESC(ds);
- unsigned int ctl6;
-
- ads->ds_ctl1 |= (AR_IsAggr | AR_MoreAggr);
-
- ctl6 = ads->ds_ctl6;
- ctl6 &= ~AR_PadDelim;
- ctl6 |= SM(numDelims, AR_PadDelim);
- ads->ds_ctl6 = ctl6;
-}
-EXPORT_SYMBOL(ath9k_hw_set11n_aggr_middle);
-
-void ath9k_hw_set11n_aggr_last(struct ath_hw *ah, struct ath_desc *ds)
-{
- struct ar5416_desc *ads = AR5416DESC(ds);
-
- ads->ds_ctl1 |= AR_IsAggr;
- ads->ds_ctl1 &= ~AR_MoreAggr;
- ads->ds_ctl6 &= ~AR_PadDelim;
-}
-EXPORT_SYMBOL(ath9k_hw_set11n_aggr_last);
-
-void ath9k_hw_clr11n_aggr(struct ath_hw *ah, struct ath_desc *ds)
-{
- struct ar5416_desc *ads = AR5416DESC(ds);
-
- ads->ds_ctl1 &= (~AR_IsAggr & ~AR_MoreAggr);
-}
-EXPORT_SYMBOL(ath9k_hw_clr11n_aggr);
-
-void ath9k_hw_set11n_burstduration(struct ath_hw *ah, struct ath_desc *ds,
- u32 burstDuration)
-{
- struct ar5416_desc *ads = AR5416DESC(ds);
-
- ads->ds_ctl2 &= ~AR_BurstDur;
- ads->ds_ctl2 |= SM(burstDuration, AR_BurstDur);
-}
-EXPORT_SYMBOL(ath9k_hw_set11n_burstduration);
-
-void ath9k_hw_set11n_virtualmorefrag(struct ath_hw *ah, struct ath_desc *ds,
- u32 vmf)
-{
- struct ar5416_desc *ads = AR5416DESC(ds);
-
- if (vmf)
- ads->ds_ctl0 |= AR_VirtMoreFrag;
- else
- ads->ds_ctl0 &= ~AR_VirtMoreFrag;
-}
-
void ath9k_hw_gettxintrtxqs(struct ath_hw *ah, u32 *txqs)
{
*txqs &= ah->intr_txqs;
@@ -730,6 +475,8 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
} else
cwMin = qi->tqi_cwmin;
+ ENABLE_REGWRITE_BUFFER(ah);
+
REG_WRITE(ah, AR_DLCL_IFS(q),
SM(cwMin, AR_D_LCL_IFS_CWMIN) |
SM(qi->tqi_cwmax, AR_D_LCL_IFS_CWMAX) |
@@ -744,6 +491,8 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
REG_WRITE(ah, AR_DMISC(q),
AR_D_MISC_CW_BKOFF_EN | AR_D_MISC_FRAG_WAIT_EN | 0x2);
+ REGWRITE_BUFFER_FLUSH(ah);
+
if (qi->tqi_cbrPeriod) {
REG_WRITE(ah, AR_QCBRCFG(q),
SM(qi->tqi_cbrPeriod, AR_Q_CBRCFG_INTERVAL) |
@@ -759,6 +508,8 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
AR_Q_RDYTIMECFG_EN);
}
+ REGWRITE_BUFFER_FLUSH(ah);
+
REG_WRITE(ah, AR_DCHNTIME(q),
SM(qi->tqi_burstTime, AR_D_CHNTIME_DUR) |
(qi->tqi_burstTime ? AR_D_CHNTIME_EN : 0));
@@ -776,6 +527,10 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
REG_READ(ah, AR_DMISC(q)) |
AR_D_MISC_POST_FR_BKOFF_DIS);
}
+
+ REGWRITE_BUFFER_FLUSH(ah);
+ DISABLE_REGWRITE_BUFFER(ah);
+
if (qi->tqi_qflags & TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE) {
REG_WRITE(ah, AR_DMISC(q),
REG_READ(ah, AR_DMISC(q)) |
@@ -783,6 +538,8 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
}
switch (qi->tqi_type) {
case ATH9K_TX_QUEUE_BEACON:
+ ENABLE_REGWRITE_BUFFER(ah);
+
REG_WRITE(ah, AR_QMISC(q), REG_READ(ah, AR_QMISC(q))
| AR_Q_MISC_FSP_DBA_GATED
| AR_Q_MISC_BEACON_USE
@@ -793,8 +550,20 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
AR_D_MISC_ARB_LOCKOUT_CNTRL_S)
| AR_D_MISC_BEACON_USE
| AR_D_MISC_POST_FR_BKOFF_DIS);
+
+ REGWRITE_BUFFER_FLUSH(ah);
+ DISABLE_REGWRITE_BUFFER(ah);
+
+ /* cwmin and cwmax should be 0 for beacon queue */
+ if (AR_SREV_9300_20_OR_LATER(ah)) {
+ REG_WRITE(ah, AR_DLCL_IFS(q), SM(0, AR_D_LCL_IFS_CWMIN)
+ | SM(0, AR_D_LCL_IFS_CWMAX)
+ | SM(qi->tqi_aifs, AR_D_LCL_IFS_AIFS));
+ }
break;
case ATH9K_TX_QUEUE_CAB:
+ ENABLE_REGWRITE_BUFFER(ah);
+
REG_WRITE(ah, AR_QMISC(q), REG_READ(ah, AR_QMISC(q))
| AR_Q_MISC_FSP_DBA_GATED
| AR_Q_MISC_CBR_INCR_DIS1
@@ -808,6 +577,10 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
REG_WRITE(ah, AR_DMISC(q), REG_READ(ah, AR_DMISC(q))
| (AR_D_MISC_ARB_LOCKOUT_CNTRL_GLOBAL <<
AR_D_MISC_ARB_LOCKOUT_CNTRL_S));
+
+ REGWRITE_BUFFER_FLUSH(ah);
+ DISABLE_REGWRITE_BUFFER(ah);
+
break;
case ATH9K_TX_QUEUE_PSPOLL:
REG_WRITE(ah, AR_QMISC(q),
@@ -829,6 +602,9 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
AR_D_MISC_POST_FR_BKOFF_DIS);
}
+ if (AR_SREV_9300_20_OR_LATER(ah))
+ REG_WRITE(ah, AR_Q_DESC_CRCCHK, AR_Q_DESC_CRCCHK_EN);
+
if (qi->tqi_qflags & TXQ_FLAG_TXOKINT_ENABLE)
ah->txok_interrupt_mask |= 1 << q;
else
@@ -856,7 +632,7 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
EXPORT_SYMBOL(ath9k_hw_resettxqueue);
int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
- u32 pa, struct ath_desc *nds, u64 tsf)
+ struct ath_rx_status *rs, u64 tsf)
{
struct ar5416_desc ads;
struct ar5416_desc *adsp = AR5416DESC(ds);
@@ -867,92 +643,76 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
ads.u.rx = adsp->u.rx;
- ds->ds_rxstat.rs_status = 0;
- ds->ds_rxstat.rs_flags = 0;
+ rs->rs_status = 0;
+ rs->rs_flags = 0;
- ds->ds_rxstat.rs_datalen = ads.ds_rxstatus1 & AR_DataLen;
- ds->ds_rxstat.rs_tstamp = ads.AR_RcvTimestamp;
+ rs->rs_datalen = ads.ds_rxstatus1 & AR_DataLen;
+ rs->rs_tstamp = ads.AR_RcvTimestamp;
if (ads.ds_rxstatus8 & AR_PostDelimCRCErr) {
- ds->ds_rxstat.rs_rssi = ATH9K_RSSI_BAD;
- ds->ds_rxstat.rs_rssi_ctl0 = ATH9K_RSSI_BAD;
- ds->ds_rxstat.rs_rssi_ctl1 = ATH9K_RSSI_BAD;
- ds->ds_rxstat.rs_rssi_ctl2 = ATH9K_RSSI_BAD;
- ds->ds_rxstat.rs_rssi_ext0 = ATH9K_RSSI_BAD;
- ds->ds_rxstat.rs_rssi_ext1 = ATH9K_RSSI_BAD;
- ds->ds_rxstat.rs_rssi_ext2 = ATH9K_RSSI_BAD;
+ rs->rs_rssi = ATH9K_RSSI_BAD;
+ rs->rs_rssi_ctl0 = ATH9K_RSSI_BAD;
+ rs->rs_rssi_ctl1 = ATH9K_RSSI_BAD;
+ rs->rs_rssi_ctl2 = ATH9K_RSSI_BAD;
+ rs->rs_rssi_ext0 = ATH9K_RSSI_BAD;
+ rs->rs_rssi_ext1 = ATH9K_RSSI_BAD;
+ rs->rs_rssi_ext2 = ATH9K_RSSI_BAD;
} else {
- ds->ds_rxstat.rs_rssi = MS(ads.ds_rxstatus4, AR_RxRSSICombined);
- ds->ds_rxstat.rs_rssi_ctl0 = MS(ads.ds_rxstatus0,
+ rs->rs_rssi = MS(ads.ds_rxstatus4, AR_RxRSSICombined);
+ rs->rs_rssi_ctl0 = MS(ads.ds_rxstatus0,
AR_RxRSSIAnt00);
- ds->ds_rxstat.rs_rssi_ctl1 = MS(ads.ds_rxstatus0,
+ rs->rs_rssi_ctl1 = MS(ads.ds_rxstatus0,
AR_RxRSSIAnt01);
- ds->ds_rxstat.rs_rssi_ctl2 = MS(ads.ds_rxstatus0,
+ rs->rs_rssi_ctl2 = MS(ads.ds_rxstatus0,
AR_RxRSSIAnt02);
- ds->ds_rxstat.rs_rssi_ext0 = MS(ads.ds_rxstatus4,
+ rs->rs_rssi_ext0 = MS(ads.ds_rxstatus4,
AR_RxRSSIAnt10);
- ds->ds_rxstat.rs_rssi_ext1 = MS(ads.ds_rxstatus4,
+ rs->rs_rssi_ext1 = MS(ads.ds_rxstatus4,
AR_RxRSSIAnt11);
- ds->ds_rxstat.rs_rssi_ext2 = MS(ads.ds_rxstatus4,
+ rs->rs_rssi_ext2 = MS(ads.ds_rxstatus4,
AR_RxRSSIAnt12);
}
if (ads.ds_rxstatus8 & AR_RxKeyIdxValid)
- ds->ds_rxstat.rs_keyix = MS(ads.ds_rxstatus8, AR_KeyIdx);
+ rs->rs_keyix = MS(ads.ds_rxstatus8, AR_KeyIdx);
else
- ds->ds_rxstat.rs_keyix = ATH9K_RXKEYIX_INVALID;
+ rs->rs_keyix = ATH9K_RXKEYIX_INVALID;
- ds->ds_rxstat.rs_rate = RXSTATUS_RATE(ah, (&ads));
- ds->ds_rxstat.rs_more = (ads.ds_rxstatus1 & AR_RxMore) ? 1 : 0;
+ rs->rs_rate = RXSTATUS_RATE(ah, (&ads));
+ rs->rs_more = (ads.ds_rxstatus1 & AR_RxMore) ? 1 : 0;
- ds->ds_rxstat.rs_isaggr = (ads.ds_rxstatus8 & AR_RxAggr) ? 1 : 0;
- ds->ds_rxstat.rs_moreaggr =
+ rs->rs_isaggr = (ads.ds_rxstatus8 & AR_RxAggr) ? 1 : 0;
+ rs->rs_moreaggr =
(ads.ds_rxstatus8 & AR_RxMoreAggr) ? 1 : 0;
- ds->ds_rxstat.rs_antenna = MS(ads.ds_rxstatus3, AR_RxAntenna);
- ds->ds_rxstat.rs_flags =
+ rs->rs_antenna = MS(ads.ds_rxstatus3, AR_RxAntenna);
+ rs->rs_flags =
(ads.ds_rxstatus3 & AR_GI) ? ATH9K_RX_GI : 0;
- ds->ds_rxstat.rs_flags |=
+ rs->rs_flags |=
(ads.ds_rxstatus3 & AR_2040) ? ATH9K_RX_2040 : 0;
if (ads.ds_rxstatus8 & AR_PreDelimCRCErr)
- ds->ds_rxstat.rs_flags |= ATH9K_RX_DELIM_CRC_PRE;
+ rs->rs_flags |= ATH9K_RX_DELIM_CRC_PRE;
if (ads.ds_rxstatus8 & AR_PostDelimCRCErr)
- ds->ds_rxstat.rs_flags |= ATH9K_RX_DELIM_CRC_POST;
+ rs->rs_flags |= ATH9K_RX_DELIM_CRC_POST;
if (ads.ds_rxstatus8 & AR_DecryptBusyErr)
- ds->ds_rxstat.rs_flags |= ATH9K_RX_DECRYPT_BUSY;
+ rs->rs_flags |= ATH9K_RX_DECRYPT_BUSY;
if ((ads.ds_rxstatus8 & AR_RxFrameOK) == 0) {
if (ads.ds_rxstatus8 & AR_CRCErr)
- ds->ds_rxstat.rs_status |= ATH9K_RXERR_CRC;
+ rs->rs_status |= ATH9K_RXERR_CRC;
else if (ads.ds_rxstatus8 & AR_PHYErr) {
- ds->ds_rxstat.rs_status |= ATH9K_RXERR_PHY;
+ rs->rs_status |= ATH9K_RXERR_PHY;
phyerr = MS(ads.ds_rxstatus8, AR_PHYErrCode);
- ds->ds_rxstat.rs_phyerr = phyerr;
+ rs->rs_phyerr = phyerr;
} else if (ads.ds_rxstatus8 & AR_DecryptCRCErr)
- ds->ds_rxstat.rs_status |= ATH9K_RXERR_DECRYPT;
+ rs->rs_status |= ATH9K_RXERR_DECRYPT;
else if (ads.ds_rxstatus8 & AR_MichaelErr)
- ds->ds_rxstat.rs_status |= ATH9K_RXERR_MIC;
+ rs->rs_status |= ATH9K_RXERR_MIC;
}
return 0;
}
EXPORT_SYMBOL(ath9k_hw_rxprocdesc);
-void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds,
- u32 size, u32 flags)
-{
- struct ar5416_desc *ads = AR5416DESC(ds);
- struct ath9k_hw_capabilities *pCap = &ah->caps;
-
- ads->ds_ctl1 = size & AR_BufLen;
- if (flags & ATH9K_RXDESC_INTREQ)
- ads->ds_ctl1 |= AR_RxIntrReq;
-
- ads->ds_rxstatus8 &= ~AR_RxDone;
- if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
- memset(&(ads->u), 0, sizeof(ads->u));
-}
-EXPORT_SYMBOL(ath9k_hw_setuprxdesc);
-
/*
* This can stop or re-enables RX.
*
@@ -996,12 +756,6 @@ void ath9k_hw_putrxbuf(struct ath_hw *ah, u32 rxdp)
}
EXPORT_SYMBOL(ath9k_hw_putrxbuf);
-void ath9k_hw_rxena(struct ath_hw *ah)
-{
- REG_WRITE(ah, AR_CR, AR_CR_RXE);
-}
-EXPORT_SYMBOL(ath9k_hw_rxena);
-
void ath9k_hw_startpcureceive(struct ath_hw *ah)
{
ath9k_enable_mib_counters(ah);
@@ -1020,6 +774,14 @@ void ath9k_hw_stoppcurecv(struct ath_hw *ah)
}
EXPORT_SYMBOL(ath9k_hw_stoppcurecv);
+void ath9k_hw_abortpcurecv(struct ath_hw *ah)
+{
+ REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_ABORT | AR_DIAG_RX_DIS);
+
+ ath9k_hw_disable_mib_counters(ah);
+}
+EXPORT_SYMBOL(ath9k_hw_abortpcurecv);
+
bool ath9k_hw_stopdmarecv(struct ath_hw *ah)
{
#define AH_RX_STOP_DMA_TIMEOUT 10000 /* usec */
@@ -1065,3 +827,142 @@ int ath9k_hw_beaconq_setup(struct ath_hw *ah)
return ath9k_hw_setuptxqueue(ah, ATH9K_TX_QUEUE_BEACON, &qi);
}
EXPORT_SYMBOL(ath9k_hw_beaconq_setup);
+
+bool ath9k_hw_intrpend(struct ath_hw *ah)
+{
+ u32 host_isr;
+
+ if (AR_SREV_9100(ah))
+ return true;
+
+ host_isr = REG_READ(ah, AR_INTR_ASYNC_CAUSE);
+ if ((host_isr & AR_INTR_MAC_IRQ) && (host_isr != AR_INTR_SPURIOUS))
+ return true;
+
+ host_isr = REG_READ(ah, AR_INTR_SYNC_CAUSE);
+ if ((host_isr & AR_INTR_SYNC_DEFAULT)
+ && (host_isr != AR_INTR_SPURIOUS))
+ return true;
+
+ return false;
+}
+EXPORT_SYMBOL(ath9k_hw_intrpend);
+
+enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah,
+ enum ath9k_int ints)
+{
+ enum ath9k_int omask = ah->imask;
+ u32 mask, mask2;
+ struct ath9k_hw_capabilities *pCap = &ah->caps;
+ struct ath_common *common = ath9k_hw_common(ah);
+
+ ath_print(common, ATH_DBG_INTERRUPT, "0x%x => 0x%x\n", omask, ints);
+
+ if (omask & ATH9K_INT_GLOBAL) {
+ ath_print(common, ATH_DBG_INTERRUPT, "disable IER\n");
+ REG_WRITE(ah, AR_IER, AR_IER_DISABLE);
+ (void) REG_READ(ah, AR_IER);
+ if (!AR_SREV_9100(ah)) {
+ REG_WRITE(ah, AR_INTR_ASYNC_ENABLE, 0);
+ (void) REG_READ(ah, AR_INTR_ASYNC_ENABLE);
+
+ REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
+ (void) REG_READ(ah, AR_INTR_SYNC_ENABLE);
+ }
+ }
+
+ /* TODO: global int Ref count */
+ mask = ints & ATH9K_INT_COMMON;
+ mask2 = 0;
+
+ if (ints & ATH9K_INT_TX) {
+ if (ah->config.tx_intr_mitigation)
+ mask |= AR_IMR_TXMINTR | AR_IMR_TXINTM;
+ else {
+ if (ah->txok_interrupt_mask)
+ mask |= AR_IMR_TXOK;
+ if (ah->txdesc_interrupt_mask)
+ mask |= AR_IMR_TXDESC;
+ }
+ if (ah->txerr_interrupt_mask)
+ mask |= AR_IMR_TXERR;
+ if (ah->txeol_interrupt_mask)
+ mask |= AR_IMR_TXEOL;
+ }
+ if (ints & ATH9K_INT_RX) {
+ if (AR_SREV_9300_20_OR_LATER(ah)) {
+ mask |= AR_IMR_RXERR | AR_IMR_RXOK_HP;
+ if (ah->config.rx_intr_mitigation) {
+ mask &= ~AR_IMR_RXOK_LP;
+ mask |= AR_IMR_RXMINTR | AR_IMR_RXINTM;
+ } else {
+ mask |= AR_IMR_RXOK_LP;
+ }
+ } else {
+ if (ah->config.rx_intr_mitigation)
+ mask |= AR_IMR_RXMINTR | AR_IMR_RXINTM;
+ else
+ mask |= AR_IMR_RXOK | AR_IMR_RXDESC;
+ }
+ if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
+ mask |= AR_IMR_GENTMR;
+ }
+
+ if (ints & (ATH9K_INT_BMISC)) {
+ mask |= AR_IMR_BCNMISC;
+ if (ints & ATH9K_INT_TIM)
+ mask2 |= AR_IMR_S2_TIM;
+ if (ints & ATH9K_INT_DTIM)
+ mask2 |= AR_IMR_S2_DTIM;
+ if (ints & ATH9K_INT_DTIMSYNC)
+ mask2 |= AR_IMR_S2_DTIMSYNC;
+ if (ints & ATH9K_INT_CABEND)
+ mask2 |= AR_IMR_S2_CABEND;
+ if (ints & ATH9K_INT_TSFOOR)
+ mask2 |= AR_IMR_S2_TSFOOR;
+ }
+
+ if (ints & (ATH9K_INT_GTT | ATH9K_INT_CST)) {
+ mask |= AR_IMR_BCNMISC;
+ if (ints & ATH9K_INT_GTT)
+ mask2 |= AR_IMR_S2_GTT;
+ if (ints & ATH9K_INT_CST)
+ mask2 |= AR_IMR_S2_CST;
+ }
+
+ ath_print(common, ATH_DBG_INTERRUPT, "new IMR 0x%x\n", mask);
+ REG_WRITE(ah, AR_IMR, mask);
+ ah->imrs2_reg &= ~(AR_IMR_S2_TIM | AR_IMR_S2_DTIM | AR_IMR_S2_DTIMSYNC |
+ AR_IMR_S2_CABEND | AR_IMR_S2_CABTO |
+ AR_IMR_S2_TSFOOR | AR_IMR_S2_GTT | AR_IMR_S2_CST);
+ ah->imrs2_reg |= mask2;
+ REG_WRITE(ah, AR_IMR_S2, ah->imrs2_reg);
+
+ if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
+ if (ints & ATH9K_INT_TIM_TIMER)
+ REG_SET_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
+ else
+ REG_CLR_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
+ }
+
+ if (ints & ATH9K_INT_GLOBAL) {
+ ath_print(common, ATH_DBG_INTERRUPT, "enable IER\n");
+ REG_WRITE(ah, AR_IER, AR_IER_ENABLE);
+ if (!AR_SREV_9100(ah)) {
+ REG_WRITE(ah, AR_INTR_ASYNC_ENABLE,
+ AR_INTR_MAC_IRQ);
+ REG_WRITE(ah, AR_INTR_ASYNC_MASK, AR_INTR_MAC_IRQ);
+
+
+ REG_WRITE(ah, AR_INTR_SYNC_ENABLE,
+ AR_INTR_SYNC_DEFAULT);
+ REG_WRITE(ah, AR_INTR_SYNC_MASK,
+ AR_INTR_SYNC_DEFAULT);
+ }
+ ath_print(common, ATH_DBG_INTERRUPT, "AR_IMR 0x%x IER 0x%x\n",
+ REG_READ(ah, AR_IMR), REG_READ(ah, AR_IER));
+ }
+
+ return omask;
+}
+EXPORT_SYMBOL(ath9k_hw_set_interrupts);