ath9k: Refactor hw.c
Split hw.c into more manageable files:
ani.c
calib.c
eeprom.c
mac.c
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath9k/mac.c b/drivers/net/wireless/ath9k/mac.c
new file mode 100644
index 0000000..c344a81
--- /dev/null
+++ b/drivers/net/wireless/ath9k/mac.c
@@ -0,0 +1,1031 @@
+/*
+ * Copyright (c) 2008 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "core.h"
+#include "hw.h"
+#include "reg.h"
+#include "phy.h"
+
+static void ath9k_hw_set_txq_interrupts(struct ath_hal *ah,
+ struct ath9k_tx_queue_info *qi)
+{
+ struct ath_hal_5416 *ahp = AH5416(ah);
+
+ DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
+ "%s: tx ok 0x%x err 0x%x desc 0x%x eol 0x%x urn 0x%x\n",
+ __func__, ahp->ah_txOkInterruptMask,
+ ahp->ah_txErrInterruptMask, ahp->ah_txDescInterruptMask,
+ ahp->ah_txEolInterruptMask, ahp->ah_txUrnInterruptMask);
+
+ REG_WRITE(ah, AR_IMR_S0,
+ SM(ahp->ah_txOkInterruptMask, AR_IMR_S0_QCU_TXOK)
+ | SM(ahp->ah_txDescInterruptMask, AR_IMR_S0_QCU_TXDESC));
+ REG_WRITE(ah, AR_IMR_S1,
+ SM(ahp->ah_txErrInterruptMask, AR_IMR_S1_QCU_TXERR)
+ | SM(ahp->ah_txEolInterruptMask, AR_IMR_S1_QCU_TXEOL));
+ REG_RMW_FIELD(ah, AR_IMR_S2,
+ AR_IMR_S2_QCU_TXURN, ahp->ah_txUrnInterruptMask);
+}
+
+void ath9k_hw_dmaRegDump(struct ath_hal *ah)
+{
+ u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
+ int qcuOffset = 0, dcuOffset = 0;
+ u32 *qcuBase = &val[0], *dcuBase = &val[4];
+ int i;
+
+ REG_WRITE(ah, AR_MACMISC,
+ ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
+ (AR_MACMISC_MISC_OBS_BUS_1 <<
+ AR_MACMISC_MISC_OBS_BUS_MSB_S)));
+
+ DPRINTF(ah->ah_sc, ATH_DBG_REG_IO, "Raw DMA Debug values:\n");
+
+ for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
+ if (i % 4 == 0)
+ DPRINTF(ah->ah_sc, ATH_DBG_REG_IO, "\n");
+
+ val[i] = REG_READ(ah, AR_DMADBG_0 + (i * sizeof(u32)));
+ DPRINTF(ah->ah_sc, ATH_DBG_REG_IO, "%d: %08x ", i, val[i]);
+ }
+
+ DPRINTF(ah->ah_sc, ATH_DBG_REG_IO, "\n\n");
+ DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
+ "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
+
+ for (i = 0; i < ATH9K_NUM_QUEUES;
+ i++, qcuOffset += 4, dcuOffset += 5) {
+ if (i == 8) {
+ qcuOffset = 0;
+ qcuBase++;
+ }
+
+ if (i == 6) {
+ dcuOffset = 0;
+ dcuBase++;
+ }
+
+ DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
+ "%2d %2x %1x %2x %2x\n",
+ i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
+ (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
+ val[2] & (0x7 << (i * 3)) >> (i * 3),
+ (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
+ }
+
+ DPRINTF(ah->ah_sc, ATH_DBG_REG_IO, "\n");
+ DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
+ "qcu_stitch state: %2x qcu_fetch state: %2x\n",
+ (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
+ DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
+ "qcu_complete state: %2x dcu_complete state: %2x\n",
+ (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
+ DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
+ "dcu_arb state: %2x dcu_fp state: %2x\n",
+ (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
+ DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
+ "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
+ (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
+ DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
+ "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
+ (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
+ DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
+ "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
+ (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
+
+ DPRINTF(ah->ah_sc, ATH_DBG_REG_IO, "pcu observe 0x%x \n",
+ REG_READ(ah, AR_OBS_BUS_1));
+ DPRINTF(ah->ah_sc, ATH_DBG_REG_IO,
+ "AR_CR 0x%x \n", REG_READ(ah, AR_CR));
+}
+
+u32 ath9k_hw_gettxbuf(struct ath_hal *ah, u32 q)
+{
+ return REG_READ(ah, AR_QTXDP(q));
+}
+
+bool ath9k_hw_puttxbuf(struct ath_hal *ah, u32 q, u32 txdp)
+{
+ REG_WRITE(ah, AR_QTXDP(q), txdp);
+
+ return true;
+}
+
+bool ath9k_hw_txstart(struct ath_hal *ah, u32 q)
+{
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: queue %u\n", __func__, q);
+
+ REG_WRITE(ah, AR_Q_TXE, 1 << q);
+
+ return true;
+}
+
+u32 ath9k_hw_numtxpending(struct ath_hal *ah, u32 q)
+{
+ u32 npend;
+
+ npend = REG_READ(ah, AR_QSTS(q)) & AR_Q_STS_PEND_FR_CNT;
+ if (npend == 0) {
+
+ if (REG_READ(ah, AR_Q_TXE) & (1 << q))
+ npend = 1;
+ }
+
+ return npend;
+}
+
+bool ath9k_hw_updatetxtriglevel(struct ath_hal *ah, bool bIncTrigLevel)
+{
+ struct ath_hal_5416 *ahp = AH5416(ah);
+ u32 txcfg, curLevel, newLevel;
+ enum ath9k_int omask;
+
+ if (ah->ah_txTrigLevel >= MAX_TX_FIFO_THRESHOLD)
+ return false;
+
+ omask = ath9k_hw_set_interrupts(ah, ahp->ah_maskReg & ~ATH9K_INT_GLOBAL);
+
+ txcfg = REG_READ(ah, AR_TXCFG);
+ curLevel = MS(txcfg, AR_FTRIG);
+ newLevel = curLevel;
+ if (bIncTrigLevel) {
+ if (curLevel < MAX_TX_FIFO_THRESHOLD)
+ newLevel++;
+ } else if (curLevel > MIN_TX_FIFO_THRESHOLD)
+ newLevel--;
+ if (newLevel != curLevel)
+ REG_WRITE(ah, AR_TXCFG,
+ (txcfg & ~AR_FTRIG) | SM(newLevel, AR_FTRIG));
+
+ ath9k_hw_set_interrupts(ah, omask);
+
+ ah->ah_txTrigLevel = newLevel;
+
+ return newLevel != curLevel;
+}
+
+bool ath9k_hw_stoptxdma(struct ath_hal *ah, u32 q)
+{
+ u32 tsfLow, j, wait;
+
+ REG_WRITE(ah, AR_Q_TXD, 1 << q);
+
+ for (wait = 1000; wait != 0; wait--) {
+ if (ath9k_hw_numtxpending(ah, q) == 0)
+ break;
+ udelay(100);
+ }
+
+ if (ath9k_hw_numtxpending(ah, q)) {
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
+ "%s: Num of pending TX Frames %d on Q %d\n",
+ __func__, ath9k_hw_numtxpending(ah, q), q);
+
+ for (j = 0; j < 2; j++) {
+ tsfLow = REG_READ(ah, AR_TSF_L32);
+ REG_WRITE(ah, AR_QUIET2,
+ SM(10, AR_QUIET2_QUIET_DUR));
+ REG_WRITE(ah, AR_QUIET_PERIOD, 100);
+ REG_WRITE(ah, AR_NEXT_QUIET_TIMER, tsfLow >> 10);
+ REG_SET_BIT(ah, AR_TIMER_MODE,
+ AR_QUIET_TIMER_EN);
+
+ if ((REG_READ(ah, AR_TSF_L32) >> 10) == (tsfLow >> 10))
+ break;
+
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
+ "%s: TSF have moved while trying to set "
+ "quiet time TSF: 0x%08x\n",
+ __func__, tsfLow);
+ }
+
+ REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH);
+
+ udelay(200);
+ REG_CLR_BIT(ah, AR_TIMER_MODE, AR_QUIET_TIMER_EN);
+
+ wait = 1000;
+
+ while (ath9k_hw_numtxpending(ah, q)) {
+ if ((--wait) == 0) {
+ DPRINTF(ah->ah_sc, ATH_DBG_XMIT,
+ "%s: Failed to stop Tx DMA in 100 "
+ "msec after killing last frame\n",
+ __func__);
+ break;
+ }
+ udelay(100);
+ }
+
+ REG_CLR_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH);
+ }
+
+ REG_WRITE(ah, AR_Q_TXD, 0);
+
+ return wait != 0;
+}
+
+bool ath9k_hw_filltxdesc(struct ath_hal *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;
+
+ return true;
+}
+
+void ath9k_hw_cleartxdesc(struct ath_hal *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;
+}
+
+int ath9k_hw_txprocdesc(struct ath_hal *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_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;
+ 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 = 1;
+
+ return 0;
+}
+
+void ath9k_hw_set11n_txdesc(struct ath_hal *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);
+ struct ath_hal_5416 *ahp = AH5416(ah);
+
+ txPower += ahp->ah_txPowerIndexOffset;
+ 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;
+ }
+}
+
+void ath9k_hw_set11n_ratescenario(struct ath_hal *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;
+
+ (void) nseries;
+ (void) rtsctsDuration;
+
+ 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;
+}
+
+void ath9k_hw_set11n_aggr_first(struct ath_hal *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);
+}
+
+void ath9k_hw_set11n_aggr_middle(struct ath_hal *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;
+}
+
+void ath9k_hw_set11n_aggr_last(struct ath_hal *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;
+}
+
+void ath9k_hw_clr11n_aggr(struct ath_hal *ah, struct ath_desc *ds)
+{
+ struct ar5416_desc *ads = AR5416DESC(ds);
+
+ ads->ds_ctl1 &= (~AR_IsAggr & ~AR_MoreAggr);
+}
+
+void ath9k_hw_set11n_burstduration(struct ath_hal *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);
+}
+
+void ath9k_hw_set11n_virtualmorefrag(struct ath_hal *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_hal *ah, u32 *txqs)
+{
+ struct ath_hal_5416 *ahp = AH5416(ah);
+
+ *txqs &= ahp->ah_intrTxqs;
+ ahp->ah_intrTxqs &= ~(*txqs);
+}
+
+bool ath9k_hw_set_txq_props(struct ath_hal *ah, int q,
+ const struct ath9k_tx_queue_info *qinfo)
+{
+ u32 cw;
+ struct ath_hal_5416 *ahp = AH5416(ah);
+ struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
+ struct ath9k_tx_queue_info *qi;
+
+ if (q >= pCap->total_queues) {
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: invalid queue num %u\n",
+ __func__, q);
+ return false;
+ }
+
+ qi = &ahp->ah_txq[q];
+ if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: inactive queue\n",
+ __func__);
+ return false;
+ }
+
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: queue %p\n", __func__, qi);
+
+ qi->tqi_ver = qinfo->tqi_ver;
+ qi->tqi_subtype = qinfo->tqi_subtype;
+ qi->tqi_qflags = qinfo->tqi_qflags;
+ qi->tqi_priority = qinfo->tqi_priority;
+ if (qinfo->tqi_aifs != ATH9K_TXQ_USEDEFAULT)
+ qi->tqi_aifs = min(qinfo->tqi_aifs, 255U);
+ else
+ qi->tqi_aifs = INIT_AIFS;
+ if (qinfo->tqi_cwmin != ATH9K_TXQ_USEDEFAULT) {
+ cw = min(qinfo->tqi_cwmin, 1024U);
+ qi->tqi_cwmin = 1;
+ while (qi->tqi_cwmin < cw)
+ qi->tqi_cwmin = (qi->tqi_cwmin << 1) | 1;
+ } else
+ qi->tqi_cwmin = qinfo->tqi_cwmin;
+ if (qinfo->tqi_cwmax != ATH9K_TXQ_USEDEFAULT) {
+ cw = min(qinfo->tqi_cwmax, 1024U);
+ qi->tqi_cwmax = 1;
+ while (qi->tqi_cwmax < cw)
+ qi->tqi_cwmax = (qi->tqi_cwmax << 1) | 1;
+ } else
+ qi->tqi_cwmax = INIT_CWMAX;
+
+ if (qinfo->tqi_shretry != 0)
+ qi->tqi_shretry = min((u32) qinfo->tqi_shretry, 15U);
+ else
+ qi->tqi_shretry = INIT_SH_RETRY;
+ if (qinfo->tqi_lgretry != 0)
+ qi->tqi_lgretry = min((u32) qinfo->tqi_lgretry, 15U);
+ else
+ qi->tqi_lgretry = INIT_LG_RETRY;
+ qi->tqi_cbrPeriod = qinfo->tqi_cbrPeriod;
+ qi->tqi_cbrOverflowLimit = qinfo->tqi_cbrOverflowLimit;
+ qi->tqi_burstTime = qinfo->tqi_burstTime;
+ qi->tqi_readyTime = qinfo->tqi_readyTime;
+
+ switch (qinfo->tqi_subtype) {
+ case ATH9K_WME_UPSD:
+ if (qi->tqi_type == ATH9K_TX_QUEUE_DATA)
+ qi->tqi_intFlags = ATH9K_TXQ_USE_LOCKOUT_BKOFF_DIS;
+ break;
+ default:
+ break;
+ }
+
+ return true;
+}
+
+bool ath9k_hw_get_txq_props(struct ath_hal *ah, int q,
+ struct ath9k_tx_queue_info *qinfo)
+{
+ struct ath_hal_5416 *ahp = AH5416(ah);
+ struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
+ struct ath9k_tx_queue_info *qi;
+
+ if (q >= pCap->total_queues) {
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: invalid queue num %u\n",
+ __func__, q);
+ return false;
+ }
+
+ qi = &ahp->ah_txq[q];
+ if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: inactive queue\n",
+ __func__);
+ return false;
+ }
+
+ qinfo->tqi_qflags = qi->tqi_qflags;
+ qinfo->tqi_ver = qi->tqi_ver;
+ qinfo->tqi_subtype = qi->tqi_subtype;
+ qinfo->tqi_qflags = qi->tqi_qflags;
+ qinfo->tqi_priority = qi->tqi_priority;
+ qinfo->tqi_aifs = qi->tqi_aifs;
+ qinfo->tqi_cwmin = qi->tqi_cwmin;
+ qinfo->tqi_cwmax = qi->tqi_cwmax;
+ qinfo->tqi_shretry = qi->tqi_shretry;
+ qinfo->tqi_lgretry = qi->tqi_lgretry;
+ qinfo->tqi_cbrPeriod = qi->tqi_cbrPeriod;
+ qinfo->tqi_cbrOverflowLimit = qi->tqi_cbrOverflowLimit;
+ qinfo->tqi_burstTime = qi->tqi_burstTime;
+ qinfo->tqi_readyTime = qi->tqi_readyTime;
+
+ return true;
+}
+
+int ath9k_hw_setuptxqueue(struct ath_hal *ah, enum ath9k_tx_queue type,
+ const struct ath9k_tx_queue_info *qinfo)
+{
+ struct ath_hal_5416 *ahp = AH5416(ah);
+ struct ath9k_tx_queue_info *qi;
+ struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
+ int q;
+
+ switch (type) {
+ case ATH9K_TX_QUEUE_BEACON:
+ q = pCap->total_queues - 1;
+ break;
+ case ATH9K_TX_QUEUE_CAB:
+ q = pCap->total_queues - 2;
+ break;
+ case ATH9K_TX_QUEUE_PSPOLL:
+ q = 1;
+ break;
+ case ATH9K_TX_QUEUE_UAPSD:
+ q = pCap->total_queues - 3;
+ break;
+ case ATH9K_TX_QUEUE_DATA:
+ for (q = 0; q < pCap->total_queues; q++)
+ if (ahp->ah_txq[q].tqi_type ==
+ ATH9K_TX_QUEUE_INACTIVE)
+ break;
+ if (q == pCap->total_queues) {
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
+ "%s: no available tx queue\n", __func__);
+ return -1;
+ }
+ break;
+ default:
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: bad tx queue type %u\n",
+ __func__, type);
+ return -1;
+ }
+
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: queue %u\n", __func__, q);
+
+ qi = &ahp->ah_txq[q];
+ if (qi->tqi_type != ATH9K_TX_QUEUE_INACTIVE) {
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
+ "%s: tx queue %u already active\n", __func__, q);
+ return -1;
+ }
+ memset(qi, 0, sizeof(struct ath9k_tx_queue_info));
+ qi->tqi_type = type;
+ if (qinfo == NULL) {
+ qi->tqi_qflags =
+ TXQ_FLAG_TXOKINT_ENABLE
+ | TXQ_FLAG_TXERRINT_ENABLE
+ | TXQ_FLAG_TXDESCINT_ENABLE | TXQ_FLAG_TXURNINT_ENABLE;
+ qi->tqi_aifs = INIT_AIFS;
+ qi->tqi_cwmin = ATH9K_TXQ_USEDEFAULT;
+ qi->tqi_cwmax = INIT_CWMAX;
+ qi->tqi_shretry = INIT_SH_RETRY;
+ qi->tqi_lgretry = INIT_LG_RETRY;
+ qi->tqi_physCompBuf = 0;
+ } else {
+ qi->tqi_physCompBuf = qinfo->tqi_physCompBuf;
+ (void) ath9k_hw_set_txq_props(ah, q, qinfo);
+ }
+
+ return q;
+}
+
+bool ath9k_hw_releasetxqueue(struct ath_hal *ah, u32 q)
+{
+ struct ath_hal_5416 *ahp = AH5416(ah);
+ struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
+ struct ath9k_tx_queue_info *qi;
+
+ if (q >= pCap->total_queues) {
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: invalid queue num %u\n",
+ __func__, q);
+ return false;
+ }
+ qi = &ahp->ah_txq[q];
+ if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: inactive queue %u\n",
+ __func__, q);
+ return false;
+ }
+
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: release queue %u\n",
+ __func__, q);
+
+ qi->tqi_type = ATH9K_TX_QUEUE_INACTIVE;
+ ahp->ah_txOkInterruptMask &= ~(1 << q);
+ ahp->ah_txErrInterruptMask &= ~(1 << q);
+ ahp->ah_txDescInterruptMask &= ~(1 << q);
+ ahp->ah_txEolInterruptMask &= ~(1 << q);
+ ahp->ah_txUrnInterruptMask &= ~(1 << q);
+ ath9k_hw_set_txq_interrupts(ah, qi);
+
+ return true;
+}
+
+bool ath9k_hw_resettxqueue(struct ath_hal *ah, u32 q)
+{
+ struct ath_hal_5416 *ahp = AH5416(ah);
+ struct ath9k_hw_capabilities *pCap = &ah->ah_caps;
+ struct ath9k_channel *chan = ah->ah_curchan;
+ struct ath9k_tx_queue_info *qi;
+ u32 cwMin, chanCwMin, value;
+
+ if (q >= pCap->total_queues) {
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: invalid queue num %u\n",
+ __func__, q);
+ return false;
+ }
+
+ qi = &ahp->ah_txq[q];
+ if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: inactive queue %u\n",
+ __func__, q);
+ return true;
+ }
+
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "%s: reset queue %u\n", __func__, q);
+
+ if (qi->tqi_cwmin == ATH9K_TXQ_USEDEFAULT) {
+ if (chan && IS_CHAN_B(chan))
+ chanCwMin = INIT_CWMIN_11B;
+ else
+ chanCwMin = INIT_CWMIN;
+
+ for (cwMin = 1; cwMin < chanCwMin; cwMin = (cwMin << 1) | 1);
+ } else
+ cwMin = qi->tqi_cwmin;
+
+ REG_WRITE(ah, AR_DLCL_IFS(q),
+ SM(cwMin, AR_D_LCL_IFS_CWMIN) |
+ SM(qi->tqi_cwmax, AR_D_LCL_IFS_CWMAX) |
+ SM(qi->tqi_aifs, AR_D_LCL_IFS_AIFS));
+
+ REG_WRITE(ah, AR_DRETRY_LIMIT(q),
+ SM(INIT_SSH_RETRY, AR_D_RETRY_LIMIT_STA_SH) |
+ SM(INIT_SLG_RETRY, AR_D_RETRY_LIMIT_STA_LG) |
+ SM(qi->tqi_shretry, AR_D_RETRY_LIMIT_FR_SH));
+
+ REG_WRITE(ah, AR_QMISC(q), AR_Q_MISC_DCU_EARLY_TERM_REQ);
+ REG_WRITE(ah, AR_DMISC(q),
+ AR_D_MISC_CW_BKOFF_EN | AR_D_MISC_FRAG_WAIT_EN | 0x2);
+
+ if (qi->tqi_cbrPeriod) {
+ REG_WRITE(ah, AR_QCBRCFG(q),
+ SM(qi->tqi_cbrPeriod, AR_Q_CBRCFG_INTERVAL) |
+ SM(qi->tqi_cbrOverflowLimit, AR_Q_CBRCFG_OVF_THRESH));
+ REG_WRITE(ah, AR_QMISC(q),
+ REG_READ(ah, AR_QMISC(q)) | AR_Q_MISC_FSP_CBR |
+ (qi->tqi_cbrOverflowLimit ?
+ AR_Q_MISC_CBR_EXP_CNTR_LIMIT_EN : 0));
+ }
+ if (qi->tqi_readyTime && (qi->tqi_type != ATH9K_TX_QUEUE_CAB)) {
+ REG_WRITE(ah, AR_QRDYTIMECFG(q),
+ SM(qi->tqi_readyTime, AR_Q_RDYTIMECFG_DURATION) |
+ AR_Q_RDYTIMECFG_EN);
+ }
+
+ REG_WRITE(ah, AR_DCHNTIME(q),
+ SM(qi->tqi_burstTime, AR_D_CHNTIME_DUR) |
+ (qi->tqi_burstTime ? AR_D_CHNTIME_EN : 0));
+
+ if (qi->tqi_burstTime
+ && (qi->tqi_qflags & TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE)) {
+ REG_WRITE(ah, AR_QMISC(q),
+ REG_READ(ah, AR_QMISC(q)) |
+ AR_Q_MISC_RDYTIME_EXP_POLICY);
+
+ }
+
+ if (qi->tqi_qflags & TXQ_FLAG_BACKOFF_DISABLE) {
+ REG_WRITE(ah, AR_DMISC(q),
+ REG_READ(ah, AR_DMISC(q)) |
+ AR_D_MISC_POST_FR_BKOFF_DIS);
+ }
+ if (qi->tqi_qflags & TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE) {
+ REG_WRITE(ah, AR_DMISC(q),
+ REG_READ(ah, AR_DMISC(q)) |
+ AR_D_MISC_FRAG_BKOFF_EN);
+ }
+ switch (qi->tqi_type) {
+ case ATH9K_TX_QUEUE_BEACON:
+ REG_WRITE(ah, AR_QMISC(q), REG_READ(ah, AR_QMISC(q))
+ | AR_Q_MISC_FSP_DBA_GATED
+ | AR_Q_MISC_BEACON_USE
+ | AR_Q_MISC_CBR_INCR_DIS1);
+
+ 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)
+ | AR_D_MISC_BEACON_USE
+ | AR_D_MISC_POST_FR_BKOFF_DIS);
+ break;
+ case ATH9K_TX_QUEUE_CAB:
+ REG_WRITE(ah, AR_QMISC(q), REG_READ(ah, AR_QMISC(q))
+ | AR_Q_MISC_FSP_DBA_GATED
+ | AR_Q_MISC_CBR_INCR_DIS1
+ | AR_Q_MISC_CBR_INCR_DIS0);
+ value = (qi->tqi_readyTime -
+ (ah->ah_config.sw_beacon_response_time -
+ ah->ah_config.dma_beacon_response_time) -
+ ah->ah_config.additional_swba_backoff) * 1024;
+ REG_WRITE(ah, AR_QRDYTIMECFG(q),
+ value | AR_Q_RDYTIMECFG_EN);
+ 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));
+ break;
+ case ATH9K_TX_QUEUE_PSPOLL:
+ REG_WRITE(ah, AR_QMISC(q),
+ REG_READ(ah, AR_QMISC(q)) | AR_Q_MISC_CBR_INCR_DIS1);
+ break;
+ case ATH9K_TX_QUEUE_UAPSD:
+ REG_WRITE(ah, AR_DMISC(q), REG_READ(ah, AR_DMISC(q)) |
+ AR_D_MISC_POST_FR_BKOFF_DIS);
+ break;
+ default:
+ break;
+ }
+
+ if (qi->tqi_intFlags & ATH9K_TXQ_USE_LOCKOUT_BKOFF_DIS) {
+ REG_WRITE(ah, AR_DMISC(q),
+ REG_READ(ah, AR_DMISC(q)) |
+ SM(AR_D_MISC_ARB_LOCKOUT_CNTRL_GLOBAL,
+ AR_D_MISC_ARB_LOCKOUT_CNTRL) |
+ AR_D_MISC_POST_FR_BKOFF_DIS);
+ }
+
+ if (qi->tqi_qflags & TXQ_FLAG_TXOKINT_ENABLE)
+ ahp->ah_txOkInterruptMask |= 1 << q;
+ else
+ ahp->ah_txOkInterruptMask &= ~(1 << q);
+ if (qi->tqi_qflags & TXQ_FLAG_TXERRINT_ENABLE)
+ ahp->ah_txErrInterruptMask |= 1 << q;
+ else
+ ahp->ah_txErrInterruptMask &= ~(1 << q);
+ if (qi->tqi_qflags & TXQ_FLAG_TXDESCINT_ENABLE)
+ ahp->ah_txDescInterruptMask |= 1 << q;
+ else
+ ahp->ah_txDescInterruptMask &= ~(1 << q);
+ if (qi->tqi_qflags & TXQ_FLAG_TXEOLINT_ENABLE)
+ ahp->ah_txEolInterruptMask |= 1 << q;
+ else
+ ahp->ah_txEolInterruptMask &= ~(1 << q);
+ if (qi->tqi_qflags & TXQ_FLAG_TXURNINT_ENABLE)
+ ahp->ah_txUrnInterruptMask |= 1 << q;
+ else
+ ahp->ah_txUrnInterruptMask &= ~(1 << q);
+ ath9k_hw_set_txq_interrupts(ah, qi);
+
+ return true;
+}
+
+int ath9k_hw_rxprocdesc(struct ath_hal *ah, struct ath_desc *ds,
+ u32 pa, struct ath_desc *nds, u64 tsf)
+{
+ struct ar5416_desc ads;
+ struct ar5416_desc *adsp = AR5416DESC(ds);
+ u32 phyerr;
+
+ if ((adsp->ds_rxstatus8 & AR_RxDone) == 0)
+ return -EINPROGRESS;
+
+ ads.u.rx = adsp->u.rx;
+
+ ds->ds_rxstat.rs_status = 0;
+ ds->ds_rxstat.rs_flags = 0;
+
+ ds->ds_rxstat.rs_datalen = ads.ds_rxstatus1 & AR_DataLen;
+ ds->ds_rxstat.rs_tstamp = ads.AR_RcvTimestamp;
+
+ ds->ds_rxstat.rs_rssi = MS(ads.ds_rxstatus4, AR_RxRSSICombined);
+ ds->ds_rxstat.rs_rssi_ctl0 = MS(ads.ds_rxstatus0, AR_RxRSSIAnt00);
+ ds->ds_rxstat.rs_rssi_ctl1 = MS(ads.ds_rxstatus0, AR_RxRSSIAnt01);
+ ds->ds_rxstat.rs_rssi_ctl2 = MS(ads.ds_rxstatus0, AR_RxRSSIAnt02);
+ ds->ds_rxstat.rs_rssi_ext0 = MS(ads.ds_rxstatus4, AR_RxRSSIAnt10);
+ ds->ds_rxstat.rs_rssi_ext1 = MS(ads.ds_rxstatus4, AR_RxRSSIAnt11);
+ ds->ds_rxstat.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);
+ else
+ ds->ds_rxstat.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;
+
+ ds->ds_rxstat.rs_isaggr = (ads.ds_rxstatus8 & AR_RxAggr) ? 1 : 0;
+ ds->ds_rxstat.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 =
+ (ads.ds_rxstatus3 & AR_GI) ? ATH9K_RX_GI : 0;
+ ds->ds_rxstat.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;
+ if (ads.ds_rxstatus8 & AR_PostDelimCRCErr)
+ ds->ds_rxstat.rs_flags |= ATH9K_RX_DELIM_CRC_POST;
+ if (ads.ds_rxstatus8 & AR_DecryptBusyErr)
+ ds->ds_rxstat.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;
+ else if (ads.ds_rxstatus8 & AR_PHYErr) {
+ ds->ds_rxstat.rs_status |= ATH9K_RXERR_PHY;
+ phyerr = MS(ads.ds_rxstatus8, AR_PHYErrCode);
+ ds->ds_rxstat.rs_phyerr = phyerr;
+ } else if (ads.ds_rxstatus8 & AR_DecryptCRCErr)
+ ds->ds_rxstat.rs_status |= ATH9K_RXERR_DECRYPT;
+ else if (ads.ds_rxstatus8 & AR_MichaelErr)
+ ds->ds_rxstat.rs_status |= ATH9K_RXERR_MIC;
+ }
+
+ return 0;
+}
+
+bool ath9k_hw_setuprxdesc(struct ath_hal *ah, struct ath_desc *ds,
+ u32 size, u32 flags)
+{
+ struct ar5416_desc *ads = AR5416DESC(ds);
+ struct ath9k_hw_capabilities *pCap = &ah->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));
+
+ return true;
+}
+
+bool ath9k_hw_setrxabort(struct ath_hal *ah, bool set)
+{
+ u32 reg;
+
+ if (set) {
+ REG_SET_BIT(ah, AR_DIAG_SW,
+ (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
+
+ if (!ath9k_hw_wait(ah, AR_OBS_BUS_1, AR_OBS_BUS_1_RX_STATE, 0)) {
+ REG_CLR_BIT(ah, AR_DIAG_SW,
+ (AR_DIAG_RX_DIS |
+ AR_DIAG_RX_ABORT));
+
+ reg = REG_READ(ah, AR_OBS_BUS_1);
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "%s: rx failed to go idle in 10 ms RXSM=0x%x\n",
+ __func__, reg);
+
+ return false;
+ }
+ } else {
+ REG_CLR_BIT(ah, AR_DIAG_SW,
+ (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
+ }
+
+ return true;
+}
+
+void ath9k_hw_putrxbuf(struct ath_hal *ah, u32 rxdp)
+{
+ REG_WRITE(ah, AR_RXDP, rxdp);
+}
+
+void ath9k_hw_rxena(struct ath_hal *ah)
+{
+ REG_WRITE(ah, AR_CR, AR_CR_RXE);
+}
+
+void ath9k_hw_startpcureceive(struct ath_hal *ah)
+{
+ REG_CLR_BIT(ah, AR_DIAG_SW,
+ (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
+
+ ath9k_enable_mib_counters(ah);
+
+ ath9k_ani_reset(ah);
+}
+
+void ath9k_hw_stoppcurecv(struct ath_hal *ah)
+{
+ REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_DIS);
+
+ ath9k_hw_disable_mib_counters(ah);
+}
+
+bool ath9k_hw_stopdmarecv(struct ath_hal *ah)
+{
+ REG_WRITE(ah, AR_CR, AR_CR_RXD);
+
+ if (!ath9k_hw_wait(ah, AR_CR, AR_CR_RXE, 0)) {
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
+ "%s: dma failed to stop in 10ms\n"
+ "AR_CR=0x%08x\nAR_DIAG_SW=0x%08x\n",
+ __func__,
+ REG_READ(ah, AR_CR), REG_READ(ah, AR_DIAG_SW));
+ return false;
+ } else {
+ return true;
+ }
+}