2 * Copyright (c) 2013 Qualcomm Atheros, Inc.
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37 #include "ah_internal.h"
39 #include "ar5416reg.h"
40 #include "ar5416desc.h"
42 #define N(a) (sizeof(a)/sizeof(a[0]))
43 #define AR_INTR_SPURIOUS 0xffffffff
44 #define ar5416_desc ar5416_desc_20
45 #define AR5416_ABORT_LOOPS 1000
46 #define AR5416_ABORT_WAIT 5
47 #define AR5416DESC AR5416DESC_20
48 #define AR5416DESC_CONST AR5416DESC_CONST_20
54 static const struct ath_hal_private ar5416hal_10 = {{
55 .ah_getRateTable = ar5416GetRateTable,
56 .ah_detach = ar5416Detach,
58 /* Transmit functions */
59 .ah_updateTxTrigLevel = ar5416UpdateTxTrigLevel,
60 .ah_getTxDP = ar5416GetTxDP,
61 .ah_setTxDP = ar5416SetTxDP,
62 .ah_numTxPending = ar5416NumTxPending,
63 .ah_startTxDma = ar5416StartTxDma,
64 .ah_stopTxDma = ar5416StopTxDma,
66 .ah_getTxIntrQueue = ar5416GetTxIntrQueue,
67 .ah_abortTxDma = ar5416AbortTxDma,
70 .ah_getCapability = ar5416GetCapability,
71 .ah_getTsf32 = ar5416GetTsf32,
72 .ah_getTsf64 = ar5416GetTsf64,
73 .ah_resetTsf = ar5416ResetTsf,
74 .ah_setRxFilter = ar5416SetRxFilter,
77 .ah_getRxDP = ar5416GetRxDP,
78 .ah_setRxDP = ar5416SetRxDP,
79 .ah_stopDmaReceive = ar5416StopDmaReceive,
80 .ah_enableReceive = ar5416EnableReceive,
81 .ah_startPcuReceive = ar5416StartPcuReceive,
82 .ah_stopPcuReceive = ar5416StopPcuReceive,
84 /* Interrupt Functions */
85 .ah_isInterruptPending = ar5416IsInterruptPending,
86 .ah_getPendingInterrupts = ar5416GetPendingInterrupts,
87 .ah_getInterrupts = ar5416GetInterrupts,
88 .ah_setInterrupts = ar5416SetInterrupts,
92 void ar5416Detach(struct ath_hal *ah)
94 HALASSERT(ah != AH_NULL);
99 ar5416Attach(a_uint32_t devid,HAL_SOFTC sc, adf_os_device_t dev,
100 a_uint32_t flags, HAL_STATUS *status)
102 struct ath_hal_5416 *ahp;
105 ahp = ath_hal_malloc(sizeof (struct ath_hal_5416));
106 if (ahp == AH_NULL) {
107 *status = HAL_ENOMEM;
110 ah = &ahp->ah_priv.h;
112 OS_MEMCPY(&ahp->ah_priv, &ar5416hal_10, sizeof(struct ath_hal_private));
117 /* If its a Owl 2.0 chip then change the hal structure to
118 point to the Owl 2.0 ar5416_hal_20 structure */
120 ah->ah_set11nTxDesc = ar5416Set11nTxDesc_20;
121 ah->ah_set11nRateScenario = ar5416Set11nRateScenario_20;
122 ah->ah_set11nAggrFirst = ar5416Set11nAggrFirst_20;
123 ah->ah_set11nAggrMiddle = ar5416Set11nAggrMiddle_20;
124 ah->ah_set11nAggrLast = ar5416Set11nAggrLast_20;
125 ah->ah_clr11nAggr = ar5416Clr11nAggr_20;
126 ah->ah_set11nBurstDuration = ar5416Set11nBurstDuration_20;
127 ah->ah_setupRxDesc = ar5416SetupRxDesc_20;
128 ah->ah_procRxDescFast = ar5416ProcRxDescFast_20;
129 ah->ah_updateCTSForBursting = NULL;
130 ah->ah_setupTxDesc = ar5416SetupTxDesc_20;
131 ah->ah_reqTxIntrDesc = ar5416IntrReqTxDesc_20;
132 ah->ah_fillTxDesc = ar5416FillTxDesc_20;
133 ah->ah_fillKeyTxDesc = ar5416FillKeyTxDesc_20;
134 ah->ah_procTxDesc = ar5416ProcTxDesc_20;
135 ah->ah_set11nVirtualMoreFrag = ar5416Set11nVirtualMoreFrag_20;
141 /**********************/
142 /* Interrupt Handling */
143 /**********************/
145 HAL_BOOL ar5416IsInterruptPending(struct ath_hal *ah)
147 a_uint32_t host_isr = OS_REG_READ(ah, AR_INTR_ASYNC_CAUSE);
149 * Some platforms trigger our ISR before applying power to
150 * the card, so make sure.
152 return ((host_isr != AR_INTR_SPURIOUS) && (host_isr & AR_INTR_MAC_IRQ));
155 HAL_BOOL ar5416GetPendingInterrupts(struct ath_hal *ah, HAL_INT *masked)
159 HAL_BOOL fatal_int = AH_FALSE;
160 a_uint32_t sync_cause;
162 if (OS_REG_READ(ah, AR_INTR_ASYNC_CAUSE) & AR_INTR_MAC_IRQ) {
163 if ((OS_REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M) != AR_RTC_STATUS_ON) {
172 isr = OS_REG_READ(ah, AR_ISR_RAC);
173 if (isr == 0xffffffff) {
178 *masked = isr & HAL_INT_COMMON;
180 #ifdef AR5416_INT_MITIGATION
181 if (isr & (AR_ISR_RXMINTR | AR_ISR_RXINTM)) {
182 *masked |= HAL_INT_RX;
184 if (isr & (AR_ISR_TXMINTR | AR_ISR_TXINTM)) {
185 *masked |= HAL_INT_TX;
189 if (isr & AR_ISR_BCNMISC) {
192 s2_s = OS_REG_READ(ah, AR_ISR_S2_S);
194 if (s2_s & AR_ISR_S2_GTT) {
195 *masked |= HAL_INT_GTT;
198 if (s2_s & AR_ISR_S2_CST) {
199 *masked |= HAL_INT_CST;
203 if (isr & (AR_ISR_RXOK | AR_ISR_RXERR))
204 *masked |= HAL_INT_RX;
205 if (isr & (AR_ISR_TXOK | AR_ISR_TXDESC | AR_ISR_TXERR | AR_ISR_TXEOL)) {
206 struct ath_hal_5416 *ahp = AH5416(ah);
207 a_uint32_t s0_s, s1_s;
209 *masked |= HAL_INT_TX;
210 s0_s = OS_REG_READ(ah, AR_ISR_S0_S);
211 s1_s = OS_REG_READ(ah, AR_ISR_S1_S);
212 ahp->ah_intrTxqs |= MS(s0_s, AR_ISR_S0_QCU_TXOK);
213 ahp->ah_intrTxqs |= MS(s0_s, AR_ISR_S0_QCU_TXDESC);
214 ahp->ah_intrTxqs |= MS(s1_s, AR_ISR_S1_QCU_TXERR);
215 ahp->ah_intrTxqs |= MS(s1_s, AR_ISR_S1_QCU_TXEOL);
219 sync_cause = OS_REG_READ(ah, AR_INTR_SYNC_CAUSE);
220 fatal_int = ((sync_cause != AR_INTR_SPURIOUS) &&
221 (sync_cause & (AR_INTR_SYNC_HOST1_FATAL | AR_INTR_SYNC_HOST1_PERR))) ?
224 if (AH_TRUE == fatal_int) {
225 OS_REG_WRITE(ah, AR_INTR_SYNC_CAUSE_CLR, sync_cause);
226 (void) OS_REG_READ(ah, AR_INTR_SYNC_CAUSE_CLR);
232 HAL_INT ar5416GetInterrupts(struct ath_hal *ah)
234 return AH5416(ah)->ah_maskReg;
238 ar5416SetInterrupts(struct ath_hal *ah, HAL_INT ints)
240 struct ath_hal_5416 *ahp = AH5416(ah);
241 a_uint32_t omask = ahp->ah_maskReg;
244 if (omask & HAL_INT_GLOBAL) {
245 OS_REG_WRITE(ah, AR_IER, AR_IER_DISABLE);
246 (void) OS_REG_READ(ah, AR_IER);
249 mask = ints & HAL_INT_COMMON;
250 if (ints & HAL_INT_TX) {
251 #ifdef AR5416_INT_MITIGATION
252 mask |= AR_IMR_TXMINTR | AR_IMR_TXINTM;
255 mask |= AR_IMR_TXDESC;
257 mask |= AR_IMR_TXERR;
258 mask |= AR_IMR_TXEOL;
260 if (ints & HAL_INT_RX) {
261 mask |= AR_IMR_RXERR;
262 #ifdef AR5416_INT_MITIGATION
263 mask |= AR_IMR_RXMINTR | AR_IMR_RXINTM;
265 mask |= AR_IMR_RXOK | AR_IMR_RXDESC;
269 if (ints & (HAL_INT_GTT | HAL_INT_CST)) {
270 mask |= AR_IMR_BCNMISC;
273 OS_REG_WRITE(ah, AR_IMR, mask);
274 (void) OS_REG_READ(ah, AR_IMR);
275 ahp->ah_maskReg = ints;
277 /* Re-enable interrupts if they were enabled before. */
278 if (ints & HAL_INT_GLOBAL) {
279 OS_REG_WRITE(ah, AR_IER, AR_IER_ENABLE);
280 /* See explanation above... */
281 (void) OS_REG_READ(ah, AR_IER);
284 OS_REG_WRITE(ah, AR_INTR_ASYNC_ENABLE, AR_INTR_MAC_IRQ);
285 OS_REG_WRITE(ah, AR_INTR_ASYNC_MASK, AR_INTR_MAC_IRQ);
286 OS_REG_WRITE(ah, AR_INTR_SYNC_ENABLE, AR_INTR_SYNC_ALL);
295 HAL_STATUS ar5416GetCapability(struct ath_hal *ah, HAL_CAPABILITY_TYPE type,
296 a_uint32_t capability, a_uint32_t *result)
299 return ath_hal_getcapability(ah, type, capability, result);
306 u_int64_t ar5416GetTsf64(struct ath_hal *ah)
310 tsf = OS_REG_READ(ah, AR_TSF_U32);
311 tsf = (tsf << 32) | OS_REG_READ(ah, AR_TSF_L32);
316 a_uint32_t ar5416GetTsf32(struct ath_hal *ah)
318 return OS_REG_READ(ah, AR_TSF_L32);
321 void ar5416ResetTsf(struct ath_hal *ah)
327 while (OS_REG_READ(ah, AR_SLP32_MODE) & AR_SLP32_TSF_WRITE_STATUS) {
334 OS_REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE);
341 a_uint32_t ar5416GetRxDP(struct ath_hal *ath)
343 return OS_REG_READ(ath, AR_RXDP);
347 void ar5416SetRxDP(struct ath_hal *ah, a_uint32_t rxdp)
349 OS_REG_WRITE(ah, AR_RXDP, rxdp);
350 HALASSERT(OS_REG_READ(ah, AR_RXDP) == rxdp);
353 void ar5416SetMulticastFilter(struct ath_hal *ah, a_uint32_t filter0, a_uint32_t filter1)
355 OS_REG_WRITE(ah, AR_MCAST_FIL0, filter0);
356 OS_REG_WRITE(ah, AR_MCAST_FIL1, filter1);
359 HAL_BOOL ar5416ClrMulticastFilterIndex(struct ath_hal *ah, a_uint32_t ix)
366 val = OS_REG_READ(ah, AR_MCAST_FIL1);
367 OS_REG_WRITE(ah, AR_MCAST_FIL1, (val &~ (1<<(ix-32))));
369 val = OS_REG_READ(ah, AR_MCAST_FIL0);
370 OS_REG_WRITE(ah, AR_MCAST_FIL0, (val &~ (1<<ix)));
375 HAL_BOOL ar5416StopDmaReceive(struct ath_hal *ah)
377 OS_REG_WRITE(ah, AR_CR, AR_CR_RXD); /* Set receive disable bit */
378 if (!ath_hal_wait(ah, AR_CR, AR_CR_RXE, 0)) {
385 HAL_BOOL ar5416SetMulticastFilterIndex(struct ath_hal *ah, a_uint32_t ix)
392 val = OS_REG_READ(ah, AR_MCAST_FIL1);
393 OS_REG_WRITE(ah, AR_MCAST_FIL1, (val | (1<<(ix-32))));
395 val = OS_REG_READ(ah, AR_MCAST_FIL0);
396 OS_REG_WRITE(ah, AR_MCAST_FIL0, (val | (1<<ix)));
401 void ar5416StartPcuReceive(struct ath_hal *ah)
403 OS_REG_CLR_BIT(ah, AR_DIAG_SW,
404 (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
407 void ar5416SetRxFilter(struct ath_hal *ah, a_uint32_t bits)
411 OS_REG_WRITE(ah, AR_RX_FILTER, (bits & 0xff) | AR_RX_COMPR_BAR);
413 if (bits & HAL_RX_FILTER_PHYRADAR)
414 phybits |= AR_PHY_ERR_RADAR;
415 if (bits & HAL_RX_FILTER_PHYERR)
416 phybits |= AR_PHY_ERR_OFDM_TIMING | AR_PHY_ERR_CCK_TIMING;
417 OS_REG_WRITE(ah, AR_PHY_ERR, phybits);
419 OS_REG_WRITE(ah, AR_RXCFG,OS_REG_READ(ah, AR_RXCFG) | AR_RXCFG_ZLFDMA);
421 OS_REG_WRITE(ah, AR_RXCFG,OS_REG_READ(ah, AR_RXCFG) &~ AR_RXCFG_ZLFDMA);
425 void ar5416EnableReceive(struct ath_hal *ah)
427 OS_REG_WRITE(ah, AR_CR, AR_CR_RXE);
430 void ar5416StopPcuReceive(struct ath_hal *ah)
432 OS_REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_DIS);
435 HAL_BOOL ar5416SetupRxDesc_20(struct ath_hal *ah, struct ath_rx_desc *ds,
436 a_uint32_t size, a_uint32_t flags)
438 struct ar5416_desc *ads = AR5416DESC(ds);
440 HALASSERT((size &~ AR_BufLen) == 0);
442 ads->ds_ctl1 = size & AR_BufLen;
443 if (flags & HAL_RXDESC_INTREQ)
444 ads->ds_ctl1 |= AR_RxIntrReq;
446 /* this should be enough */
447 ads->ds_rxstatus8 &= ~AR_RxDone;
452 HAL_STATUS ar5416ProcRxDescFast_20(struct ath_hal *ah, struct ath_rx_desc *ds,
453 a_uint32_t pa, struct ath_desc *nds,
454 struct ath_rx_status *rx_stats)
456 struct ar5416_desc ads;
457 struct ar5416_desc *adsp = AR5416DESC(ds);
458 struct ar5416_desc *ands = AR5416DESC(nds);
460 if ((adsp->ds_rxstatus8 & AR_RxDone) == 0)
461 return HAL_EINPROGRESS;
463 * Given the use of a self-linked tail be very sure that the hw is
464 * done with this descriptor; the hw may have done this descriptor
465 * once and picked it up again...make sure the hw has moved on.
467 if ((ands->ds_rxstatus8 & AR_RxDone) == 0
468 && OS_REG_READ(ah, AR_RXDP) == pa)
469 return HAL_EINPROGRESS;
472 * Now we need to get the stats from the descriptor. Since desc are
473 * uncached, lets make a copy of the stats first. Note that, since we
474 * touch most of the rx stats, a memcpy would always be more efficient
476 * Next we fill in all values in a caller passed stack variable.
477 * This reduces the number of uncached accesses.
478 * Do this copy here, after the check so that when the checks fail, we
479 * dont end up copying the entire stats uselessly.
481 ads.u.rx = adsp->u.rx;
483 rx_stats->rs_status = 0;
484 rx_stats->rs_flags = 0;
486 rx_stats->rs_datalen = ads.ds_rxstatus1 & AR_DataLen;
487 rx_stats->rs_tstamp = ads.AR_RcvTimestamp;
489 /* XXX what about KeyCacheMiss? */
490 rx_stats->rs_rssi_combined =
491 MS(ads.ds_rxstatus4, AR_RxRSSICombined);
492 rx_stats->rs_rssi_ctl0 = MS(ads.ds_rxstatus0, AR_RxRSSIAnt00);
493 rx_stats->rs_rssi_ctl1 = MS(ads.ds_rxstatus0, AR_RxRSSIAnt01);
494 rx_stats->rs_rssi_ctl2 = MS(ads.ds_rxstatus0, AR_RxRSSIAnt02);
495 rx_stats->rs_rssi_ext0 = MS(ads.ds_rxstatus4, AR_RxRSSIAnt10);
496 rx_stats->rs_rssi_ext1 = MS(ads.ds_rxstatus4, AR_RxRSSIAnt11);
497 rx_stats->rs_rssi_ext2 = MS(ads.ds_rxstatus4, AR_RxRSSIAnt12);
498 if (ads.ds_rxstatus8 & AR_RxKeyIdxValid)
499 rx_stats->rs_keyix = MS(ads.ds_rxstatus8, AR_KeyIdx);
501 rx_stats->rs_keyix = HAL_RXKEYIX_INVALID;
502 /* NB: caller expected to do rate table mapping */
503 rx_stats->rs_rate = RXSTATUS_RATE(ah, (&ads));
504 rx_stats->rs_more = (ads.ds_rxstatus1 & AR_RxMore) ? 1 : 0;
506 rx_stats->rs_isaggr = (ads.ds_rxstatus8 & AR_RxAggr) ? 1 : 0;
507 rx_stats->rs_moreaggr = (ads.ds_rxstatus8 & AR_RxMoreAggr) ? 1 : 0;
508 rx_stats->rs_flags |= (ads.ds_rxstatus3 & AR_GI) ? HAL_RX_GI : 0;
509 rx_stats->rs_flags |= (ads.ds_rxstatus3 & AR_2040) ? HAL_RX_2040 : 0;
511 if (ads.ds_rxstatus8 & AR_PreDelimCRCErr)
512 rx_stats->rs_flags |= HAL_RX_DELIM_CRC_PRE;
513 if (ads.ds_rxstatus8 & AR_PostDelimCRCErr)
514 rx_stats->rs_flags |= HAL_RX_DELIM_CRC_POST;
515 if (ads.ds_rxstatus8 & AR_DecryptBusyErr)
516 rx_stats->rs_flags |= HAL_RX_DECRYPT_BUSY;
518 if ((ads.ds_rxstatus8 & AR_RxFrameOK) == 0) {
520 * These four bits should not be set together. The
521 * 5416 spec states a Michael error can only occur if
522 * DecryptCRCErr not set (and TKIP is used). Experience
523 * indicates however that you can also get Michael errors
524 * when a CRC error is detected, but these are specious.
525 * Consequently we filter them out here so we don't
526 * confuse and/or complicate drivers.
528 if (ads.ds_rxstatus8 & AR_CRCErr)
529 rx_stats->rs_status |= HAL_RXERR_CRC;
530 else if (ads.ds_rxstatus8 & AR_PHYErr) {
533 rx_stats->rs_status |= HAL_RXERR_PHY;
534 phyerr = MS(ads.ds_rxstatus8, AR_PHYErrCode);
535 rx_stats->rs_phyerr = phyerr;
536 } else if (ads.ds_rxstatus8 & AR_DecryptCRCErr)
537 rx_stats->rs_status |= HAL_RXERR_DECRYPT;
538 else if (ads.ds_rxstatus8 & AR_MichaelErr)
539 rx_stats->rs_status |= HAL_RXERR_MIC;
541 rx_stats->evm0=ads.AR_RxEVM0;
542 rx_stats->evm1=ads.AR_RxEVM1;
543 rx_stats->evm2=ads.AR_RxEVM2;
552 HAL_BOOL ar5416UpdateTxTrigLevel(struct ath_hal *ah, HAL_BOOL bIncTrigLevel)
554 struct ath_hal_5416 *ahp = AH5416(ah);
555 a_uint32_t txcfg, curLevel, newLevel;
559 * Disable interrupts while futzing with the fifo level.
561 omask = ar5416SetInterrupts(ah, ahp->ah_maskReg &~ HAL_INT_GLOBAL);
563 txcfg = OS_REG_READ(ah, AR_TXCFG);
564 curLevel = MS(txcfg, AR_FTRIG);
568 if (curLevel < MAX_TX_FIFO_THRESHOLD)
570 } else if (curLevel > MIN_TX_FIFO_THRESHOLD)
572 if (newLevel != curLevel)
573 OS_REG_WRITE(ah, AR_TXCFG,
574 (txcfg &~ AR_FTRIG) | SM(newLevel, AR_FTRIG));
576 /* re-enable chip interrupts */
577 ar5416SetInterrupts(ah, omask);
579 return (newLevel != curLevel);
582 a_uint32_t ar5416GetTxDP(struct ath_hal *ah, a_uint32_t q)
584 HALASSERT(q < AH_PRIVATE(ah)->ah_caps.halTotalQueues);
585 return OS_REG_READ(ah, AR_QTXDP(q));
588 HAL_BOOL ar5416SetTxDP(struct ath_hal *ah, a_uint32_t q, a_uint32_t txdp)
590 HALASSERT(q < AH_PRIVATE(ah)->ah_caps.halTotalQueues);
591 HALASSERT(AH5416(ah)->ah_txq[q].tqi_type != HAL_TX_QUEUE_INACTIVE);
594 * Make sure that TXE is deasserted before setting the TXDP. If TXE
595 * is still asserted, setting TXDP will have no effect.
597 HALASSERT((OS_REG_READ(ah, AR_Q_TXE) & (1 << q)) == 0);
599 OS_REG_WRITE(ah, AR_QTXDP(q), txdp);
604 HAL_BOOL ar5416StartTxDma(struct ath_hal *ah, a_uint32_t q)
606 HALASSERT(q < AH_PRIVATE(ah)->ah_caps.halTotalQueues);
607 HALASSERT(AH5416(ah)->ah_txq[q].tqi_type != HAL_TX_QUEUE_INACTIVE);
609 /* Check to be sure we're not enabling a q that has its TXD bit set. */
610 HALASSERT((OS_REG_READ(ah, AR_Q_TXD) & (1 << q)) == 0);
612 OS_REG_WRITE(ah, AR_Q_TXE, 1 << q);
617 a_uint32_t ar5416NumTxPending(struct ath_hal *ah, a_uint32_t q)
621 HALASSERT(q < AH_PRIVATE(ah)->ah_caps.halTotalQueues);
622 HALASSERT(AH5416(ah)->ah_txq[q].tqi_type != HAL_TX_QUEUE_INACTIVE);
624 npend = OS_REG_READ(ah, AR_QSTS(q)) & AR_Q_STS_PEND_FR_CNT;
627 * Pending frame count (PFC) can momentarily go to zero
628 * while TXE remains asserted. In other words a PFC of
629 * zero is not sufficient to say that the queue has stopped.
631 if (OS_REG_READ(ah, AR_Q_TXE) & (1 << q))
635 if (npend && (AH5416(ah)->ah_txq[q].tqi_type == HAL_TX_QUEUE_CAB)) {
636 if (OS_REG_READ(ah, AR_Q_RDYTIMESHDN) & (1 << q)) {
637 isrPrintf("RTSD on CAB queue\n");
638 /* Clear the ReadyTime shutdown status bits */
639 OS_REG_WRITE(ah, AR_Q_RDYTIMESHDN, 1 << q);
646 HAL_BOOL ar5416AbortTxDma(struct ath_hal *ah)
651 * set txd on all queues
653 OS_REG_WRITE(ah, AR_Q_TXD, AR_Q_TXD_M);
658 OS_REG_SET_BIT(ah, AR_PCU_MISC, (AR_PCU_FORCE_QUIET_COLL | AR_PCU_CLEAR_VMF));
659 OS_REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH);
660 OS_REG_SET_BIT(ah, AR_D_GBL_IFS_MISC, AR_D_GBL_IFS_MISC_IGNORE_BACKOFF);
663 * wait on all tx queues
665 for (q = 0; q < AR_NUM_QCU; q++) {
666 for (i = 0; i < AR5416_ABORT_LOOPS; i++) {
667 if (!ar5416NumTxPending(ah, q))
670 OS_DELAY(AR5416_ABORT_WAIT);
672 if (i == AR5416_ABORT_LOOPS) {
678 * clear tx abort bits
680 OS_REG_CLR_BIT(ah, AR_PCU_MISC, (AR_PCU_FORCE_QUIET_COLL | AR_PCU_CLEAR_VMF));
681 OS_REG_CLR_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH);
682 OS_REG_CLR_BIT(ah, AR_D_GBL_IFS_MISC, AR_D_GBL_IFS_MISC_IGNORE_BACKOFF);
687 OS_REG_WRITE(ah, AR_Q_TXD, 0);
692 HAL_BOOL ar5416StopTxDma(struct ath_hal*ah, a_uint32_t q)
696 HALASSERT(q < AH_PRIVATE(ah)->ah_caps.halTotalQueues);
698 HALASSERT(AH5416(ah)->ah_txq[q].tqi_type != HAL_TX_QUEUE_INACTIVE);
700 OS_REG_WRITE(ah, AR_Q_TXD, 1 << q);
701 for (i = 1000; i != 0; i--) {
702 if (ar5416NumTxPending(ah, q) == 0)
704 OS_DELAY(100); /* XXX get actual value */
707 OS_REG_WRITE(ah, AR_Q_TXD, 0);
711 void ar5416GetTxIntrQueue(struct ath_hal *ah, a_uint32_t *txqs)
713 struct ath_hal_5416 *ahp = AH5416(ah);
714 *txqs &= ahp->ah_intrTxqs;
715 ahp->ah_intrTxqs &= ~(*txqs);
718 void ar5416IntrReqTxDesc_20(struct ath_hal *ah, struct ath_desc *ds)
720 struct ar5416_desc *ads = AR5416DESC(ds);
721 ads->ds_ctl0 |= AR_TxIntrReq;
724 HAL_BOOL ar5416SetupTxDesc_20(struct ath_hal *ah, struct ath_tx_desc *ds,
729 a_uint32_t txRate0, a_uint32_t txTries0,
733 a_uint32_t rtsctsRate,
734 a_uint32_t rtsctsDuration,
735 a_uint32_t compicvLen,
736 a_uint32_t compivLen,
739 #define RTSCTS (HAL_TXDESC_RTSENA|HAL_TXDESC_CTSENA)
741 struct ar5416_desc *ads = AR5416DESC(ds);
745 ads->ds_txstatus9 &= ~AR_TxDone;
747 HALASSERT(txTries0 != 0);
748 HALASSERT(isValidPktType(type));
749 HALASSERT(isValidTxRate(txRate0));
750 HALASSERT((flags & RTSCTS) != RTSCTS);
755 ads->ds_ctl0 = (pktLen & AR_FrameLen)
756 | (txPower << AR_XmitPower_S)
757 | (flags & HAL_TXDESC_VEOL ? AR_VEOL : 0)
758 | (flags & HAL_TXDESC_CLRDMASK ? AR_ClrDestMask : 0)
759 | (flags & HAL_TXDESC_INTREQ ? AR_TxIntrReq : 0);
761 ads->ds_ctl1 = (type << AR_FrameType_S)
762 | (flags & HAL_TXDESC_NOACK ? AR_NoAck : 0);
763 ads->ds_ctl2 = SM(txTries0, AR_XmitDataTries0);
764 ads->ds_ctl3 = (txRate0 << AR_XmitRate0_S);
766 ads->ds_ctl7 = SM(AR5416_LEGACY_CHAINMASK, AR_ChainSel0)
767 | SM(AR5416_LEGACY_CHAINMASK, AR_ChainSel1)
768 | SM(AR5416_LEGACY_CHAINMASK, AR_ChainSel2)
769 | SM(AR5416_LEGACY_CHAINMASK, AR_ChainSel3);
771 if (keyIx != HAL_TXKEYIX_INVALID) {
772 /* XXX validate key index */
773 ads->ds_ctl1 |= SM(keyIx, AR_DestIdx);
774 ads->ds_ctl0 |= AR_DestIdxValid;
777 if (flags & RTSCTS) {
778 if (!isValidTxRate(rtsctsRate)) {
781 /* XXX validate rtsctsDuration */
782 ads->ds_ctl0 |= (flags & HAL_TXDESC_CTSENA ? AR_CTSEnable : 0)
783 | (flags & HAL_TXDESC_RTSENA ? AR_RTSEnable : 0);
784 ads->ds_ctl2 |= SM(rtsctsDuration, AR_BurstDur);
785 ads->ds_ctl3 |= (rtsctsRate << AR_RTSCTSRate_S);
792 HAL_BOOL ar5416FillTxDesc_20(struct ath_hal *ah, struct ath_tx_desc *ds,
793 a_uint32_t segLen, HAL_BOOL firstSeg, HAL_BOOL lastSeg,
794 const struct ath_tx_desc *ds0)
796 struct ar5416_desc *ads = AR5416DESC(ds);
798 HALASSERT((segLen &~ AR_BufLen) == 0);
802 * First descriptor, don't clobber xmit control data
803 * setup by ar5416SetupTxDesc.
805 ads->ds_ctl1 |= segLen | (lastSeg ? 0 : AR_TxMore);
806 } else if (lastSeg) {
808 * Last descriptor in a multi-descriptor frame,
809 * copy the multi-rate transmit parameters from
810 * the first frame for processing on completion.
813 ads->ds_ctl1 = segLen;
814 ads->ds_ctl2 = AR5416DESC_CONST(ds0)->ds_ctl2;
815 ads->ds_ctl3 = AR5416DESC_CONST(ds0)->ds_ctl3;
818 * Intermediate descriptor in a multi-descriptor frame.
821 ads->ds_ctl1 = segLen | AR_TxMore;
825 ads->ds_txstatus0 = ads->ds_txstatus1 = 0;
830 HAL_BOOL ar5416FillKeyTxDesc_20(struct ath_hal *ah, struct ath_tx_desc *ds,
831 HAL_KEY_TYPE keyType)
833 struct ar5416_desc *ads = AR5416DESC(ds);
835 ads->ds_ctl6 = SM(keyType, AR_EncrType);
839 HAL_STATUS ar5416ProcTxDesc_20(struct ath_hal *ah, struct ath_tx_desc *gds)
841 struct ar5416_desc *ads = AR5416DESC(gds);
842 struct ath_tx_desc *ds = (struct ath_tx_desc *)gds;
844 if ((ads->ds_txstatus9 & AR_TxDone) == 0)
845 return HAL_EINPROGRESS;
847 ads->ds_txstatus9 &= ~AR_TxDone;
849 /* Update software copies of the HW status */
850 ds->ds_txstat.ts_seqnum = MS(ads->ds_txstatus9, AR_SeqNum);
851 ds->ds_txstat.ts_tstamp = ads->AR_SendTimestamp;
852 ds->ds_txstat.ts_status = 0;
853 ds->ds_txstat.ts_flags = 0;
855 if (ads->ds_txstatus1 & AR_ExcessiveRetries)
856 ds->ds_txstat.ts_status |= HAL_TXERR_XRETRY;
857 if (ads->ds_txstatus1 & AR_Filtered)
858 ds->ds_txstat.ts_status |= HAL_TXERR_FILT;
859 if (ads->ds_txstatus1 & AR_FIFOUnderrun)
860 ds->ds_txstat.ts_status |= HAL_TXERR_FIFO;
861 if (ads->ds_txstatus9 & AR_TxOpExceeded)
862 ds->ds_txstat.ts_status |= HAL_TXERR_XTXOP;
863 if (ads->ds_txstatus1 & AR_TxTimerExpired)
864 ds->ds_txstat.ts_status |= HAL_TXERR_TIMER_EXPIRED;
866 if (ads->ds_txstatus1 & AR_DescCfgErr)
867 ds->ds_txstat.ts_flags |= HAL_TX_DESC_CFG_ERR;
868 if (ads->ds_txstatus1 & AR_TxDataUnderrun) {
869 ds->ds_txstat.ts_flags |= HAL_TX_DATA_UNDERRUN;
870 ar5416UpdateTxTrigLevel(ah, AH_TRUE);
872 if (ads->ds_txstatus1 & AR_TxDelimUnderrun) {
873 ds->ds_txstat.ts_flags |= HAL_TX_DELIM_UNDERRUN;
874 ar5416UpdateTxTrigLevel(ah, AH_TRUE);
876 if (ads->ds_txstatus0 & AR_TxBaStatus) {
877 ds->ds_txstat.ts_flags |= HAL_TX_BA;
878 ds->ds_txstat.ba_low = ads->AR_BaBitmapLow;
879 ds->ds_txstat.ba_high = ads->AR_BaBitmapHigh;
883 * Extract the transmit rate used and mark the rate as
884 * ``alternate'' if it wasn't the series 0 rate.
886 ds->ds_txstat.ts_rate = MS(ads->ds_txstatus9, AR_FinalTxIdx);
887 ds->ds_txstat.ts_rssi_combined =
888 MS(ads->ds_txstatus5, AR_TxRSSICombined);
889 ds->ds_txstat.ts_rssi_ctl0 = MS(ads->ds_txstatus0, AR_TxRSSIAnt00);
890 ds->ds_txstat.ts_rssi_ctl1 = MS(ads->ds_txstatus0, AR_TxRSSIAnt01);
891 ds->ds_txstat.ts_rssi_ctl2 = MS(ads->ds_txstatus0, AR_TxRSSIAnt02);
892 ds->ds_txstat.ts_rssi_ext0 = MS(ads->ds_txstatus5, AR_TxRSSIAnt10);
893 ds->ds_txstat.ts_rssi_ext1 = MS(ads->ds_txstatus5, AR_TxRSSIAnt11);
894 ds->ds_txstat.ts_rssi_ext2 = MS(ads->ds_txstatus5, AR_TxRSSIAnt12);
895 ds->ds_txstat.evm0 = ads->AR_TxEVM0;
896 ds->ds_txstat.evm1 = ads->AR_TxEVM1;
897 ds->ds_txstat.evm2 = ads->AR_TxEVM2;
898 ds->ds_txstat.ts_shortretry = MS(ads->ds_txstatus1, AR_RTSFailCnt);
899 ds->ds_txstat.ts_longretry = MS(ads->ds_txstatus1, AR_DataFailCnt);
900 ds->ds_txstat.ts_virtcol = MS(ads->ds_txstatus1, AR_VirtRetryCnt);
901 ds->ds_txstat.ts_antenna = 0; /* ignored for owl */
906 void ar5416Set11nTxDesc_20(struct ath_hal *ah, struct ath_tx_desc *ds,
907 a_uint32_t pktLen, HAL_PKT_TYPE type, a_uint32_t txPower,
908 a_uint32_t keyIx, HAL_KEY_TYPE keyType,
911 struct ar5416_desc *ads = AR5416DESC(ds);
913 HALASSERT(isValidPktType(type));
914 HALASSERT(isValidKeyType(keyType));
919 ads->ds_ctl0 = (pktLen & AR_FrameLen)
920 | (flags & HAL_TXDESC_VMF ? AR_VirtMoreFrag : 0)
921 | SM(txPower, AR_XmitPower)
922 | (flags & HAL_TXDESC_RTSENA ? AR_RTSEnable : 0)
923 | (flags & HAL_TXDESC_VEOL ? AR_VEOL : 0)
924 | (flags & HAL_TXDESC_CLRDMASK ? AR_ClrDestMask : 0)
925 | (flags & HAL_TXDESC_INTREQ ? AR_TxIntrReq : 0)
926 | (keyIx != HAL_TXKEYIX_INVALID ? AR_DestIdxValid : 0)
927 | (flags & HAL_TXDESC_CTSENA ? AR_CTSEnable : 0);
929 ads->ds_ctl1 = (keyIx != HAL_TXKEYIX_INVALID ? SM(keyIx, AR_DestIdx) : 0)
930 | SM(type, AR_FrameType)
931 | (flags & HAL_TXDESC_NOACK ? AR_NoAck : 0)
932 | (flags & HAL_TXDESC_EXT_ONLY ? AR_ExtOnly : 0)
933 | (flags & HAL_TXDESC_EXT_AND_CTL ? AR_ExtAndCtl : 0);
935 ads->ds_ctl6 = SM(keyType, AR_EncrType);
940 void ar5416Set11nRateScenario_20(struct ath_hal *ah, struct ath_tx_desc *ds,
941 a_uint32_t durUpdateEn, a_uint32_t rtsctsRate,
942 a_uint32_t rtsctsDuration,
943 HAL_11N_RATE_SERIES series[], a_uint32_t nseries,
946 struct ar5416_desc *ads = AR5416DESC(ds);
949 HALASSERT(nseries == 4);
953 * Rate control settings override
955 ds_ctl0 = ads->ds_ctl0;
957 if (flags & (HAL_TXDESC_RTSENA | HAL_TXDESC_CTSENA)) {
958 if (flags & HAL_TXDESC_RTSENA) {
959 ds_ctl0 &= ~AR_CTSEnable;
960 ds_ctl0 |= AR_RTSEnable;
962 ds_ctl0 &= ~AR_RTSEnable;
963 ds_ctl0 |= AR_CTSEnable;
966 ds_ctl0 = (ds_ctl0 & ~(AR_RTSEnable | AR_CTSEnable));
969 ads->ds_ctl0 = ds_ctl0;
971 ads->ds_ctl2 = set11nTries(series, 0)
972 | set11nTries(series, 1)
973 | set11nTries(series, 2)
974 | set11nTries(series, 3)
975 | (durUpdateEn ? AR_DurUpdateEn : 0);
977 ads->ds_ctl3 = set11nRate(series, 0)
978 | set11nRate(series, 1)
979 | set11nRate(series, 2)
980 | set11nRate(series, 3);
982 ads->ds_ctl4 = set11nPktDurRTSCTS(series, 0)
983 | set11nPktDurRTSCTS(series, 1);
985 ads->ds_ctl5 = set11nPktDurRTSCTS(series, 2)
986 | set11nPktDurRTSCTS(series, 3);
988 ads->ds_ctl7 = set11nRateFlags(series, 0)
989 | set11nRateFlags(series, 1)
990 | set11nRateFlags(series, 2)
991 | set11nRateFlags(series, 3)
992 | SM(rtsctsRate, AR_RTSCTSRate);
997 void ar5416Set11nRateScenario_20(struct ath_hal *ah, struct ath_tx_desc *ds,
998 a_uint32_t durUpdateEn, a_uint32_t rtsctsRate,
999 a_uint32_t rtsctsDuration,
1000 HAL_11N_RATE_SERIES series[], a_uint32_t nseries,
1003 struct ar5416_desc *ads = AR5416DESC(ds);
1006 HALASSERT(nseries == 4);
1010 * Rate control settings override
1012 if (flags & (HAL_TXDESC_RTSENA | HAL_TXDESC_CTSENA)) {
1013 ds_ctl0 = ads->ds_ctl0;
1015 if (flags & HAL_TXDESC_RTSENA) {
1016 ds_ctl0 &= ~AR_CTSEnable;
1017 ds_ctl0 |= AR_RTSEnable;
1019 ds_ctl0 &= ~AR_RTSEnable;
1020 ds_ctl0 |= AR_CTSEnable;
1023 ads->ds_ctl0 = ds_ctl0;
1026 ads->ds_ctl2 = set11nTries(series, 0)
1027 | set11nTries(series, 1)
1028 | set11nTries(series, 2)
1029 | set11nTries(series, 3)
1030 | (durUpdateEn ? AR_DurUpdateEn : 0);
1032 ads->ds_ctl3 = set11nRate(series, 0)
1033 | set11nRate(series, 1)
1034 | set11nRate(series, 2)
1035 | set11nRate(series, 3);
1037 ads->ds_ctl4 = set11nPktDurRTSCTS(series, 0)
1038 | set11nPktDurRTSCTS(series, 1);
1040 ads->ds_ctl5 = set11nPktDurRTSCTS(series, 2)
1041 | set11nPktDurRTSCTS(series, 3);
1043 ads->ds_ctl7 = set11nRateFlags(series, 0)
1044 | set11nRateFlags(series, 1)
1045 | set11nRateFlags(series, 2)
1046 | set11nRateFlags(series, 3)
1047 | SM(rtsctsRate, AR_RTSCTSRate);
1052 void ar5416Set11nAggrFirst_20(struct ath_hal *ah, struct ath_tx_desc *ds, a_uint32_t aggrLen,
1053 a_uint32_t numDelims)
1055 struct ar5416_desc *ads = AR5416DESC(ds);
1057 ads->ds_ctl1 |= (AR_IsAggr | AR_MoreAggr);
1059 ads->ds_ctl6 &= ~(AR_AggrLen | AR_PadDelim);
1060 ads->ds_ctl6 |= SM(aggrLen, AR_AggrLen) |
1061 SM(numDelims, AR_PadDelim);
1064 void ar5416Set11nAggrMiddle_20(struct ath_hal *ah, struct ath_tx_desc *ds, a_uint32_t numDelims)
1066 struct ar5416_desc *ads = AR5416DESC(ds);
1069 ads->ds_ctl1 |= (AR_IsAggr | AR_MoreAggr);
1072 * We use a stack variable to manipulate ctl6 to reduce uncached
1073 * read modify, modfiy, write.
1075 ctl6 = ads->ds_ctl6;
1076 ctl6 &= ~AR_PadDelim;
1077 ctl6 |= SM(numDelims, AR_PadDelim);
1078 ads->ds_ctl6 = ctl6;
1081 void ar5416Set11nAggrLast_20(struct ath_hal *ah, struct ath_tx_desc *ds)
1083 struct ar5416_desc *ads = AR5416DESC(ds);
1085 ads->ds_ctl1 |= AR_IsAggr;
1086 ads->ds_ctl1 &= ~AR_MoreAggr;
1087 ads->ds_ctl6 &= ~AR_PadDelim;
1090 void ar5416Clr11nAggr_20(struct ath_hal *ah, struct ath_tx_desc *ds)
1092 struct ar5416_desc *ads = AR5416DESC(ds);
1094 ads->ds_ctl1 &= (~AR_IsAggr & ~AR_MoreAggr);
1097 void ar5416Set11nBurstDuration_20(struct ath_hal *ah, struct ath_tx_desc *ds,
1098 a_uint32_t burstDuration)
1100 struct ar5416_desc *ads = AR5416DESC(ds);
1102 ads->ds_ctl2 &= ~AR_BurstDur;
1103 ads->ds_ctl2 |= SM(burstDuration, AR_BurstDur);
1106 void ar5416Set11nVirtualMoreFrag_20(struct ath_hal *ah, struct ath_tx_desc *ds,
1109 struct ar5416_desc *ads = AR5416DESC(ds);
1112 ads->ds_ctl0 |= AR_VirtMoreFrag;
1114 ads->ds_ctl0 &= ~AR_VirtMoreFrag;