1 /*
2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
3 * Copyright (c) 2002-2004 Atheros Communications, Inc.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 *
17 * $FreeBSD$
18 */
19 #include "opt_ah.h"
20
21 #include "ah.h"
22 #include "ah_internal.h"
23 #include "ah_desc.h"
24
25 #include "ar5210/ar5210.h"
26 #include "ar5210/ar5210reg.h"
27 #include "ar5210/ar5210phy.h"
28 #include "ar5210/ar5210desc.h"
29
30 /*
31 * Set the properties of the tx queue with the parameters
32 * from qInfo. The queue must previously have been setup
33 * with a call to ar5210SetupTxQueue.
34 */
35 HAL_BOOL
ar5210SetTxQueueProps(struct ath_hal * ah,int q,const HAL_TXQ_INFO * qInfo)36 ar5210SetTxQueueProps(struct ath_hal *ah, int q, const HAL_TXQ_INFO *qInfo)
37 {
38 struct ath_hal_5210 *ahp = AH5210(ah);
39
40 if (q >= HAL_NUM_TX_QUEUES) {
41 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid queue num %u\n",
42 __func__, q);
43 return AH_FALSE;
44 }
45 return ath_hal_setTxQProps(ah, &ahp->ah_txq[q], qInfo);
46 }
47
48 /*
49 * Return the properties for the specified tx queue.
50 */
51 HAL_BOOL
ar5210GetTxQueueProps(struct ath_hal * ah,int q,HAL_TXQ_INFO * qInfo)52 ar5210GetTxQueueProps(struct ath_hal *ah, int q, HAL_TXQ_INFO *qInfo)
53 {
54 struct ath_hal_5210 *ahp = AH5210(ah);
55
56 if (q >= HAL_NUM_TX_QUEUES) {
57 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid queue num %u\n",
58 __func__, q);
59 return AH_FALSE;
60 }
61 return ath_hal_getTxQProps(ah, qInfo, &ahp->ah_txq[q]);
62 }
63
64 /*
65 * Allocate and initialize a tx DCU/QCU combination.
66 */
67 int
ar5210SetupTxQueue(struct ath_hal * ah,HAL_TX_QUEUE type,const HAL_TXQ_INFO * qInfo)68 ar5210SetupTxQueue(struct ath_hal *ah, HAL_TX_QUEUE type,
69 const HAL_TXQ_INFO *qInfo)
70 {
71 struct ath_hal_5210 *ahp = AH5210(ah);
72 HAL_TX_QUEUE_INFO *qi;
73 int q;
74
75 switch (type) {
76 case HAL_TX_QUEUE_BEACON:
77 q = 2;
78 break;
79 case HAL_TX_QUEUE_CAB:
80 q = 1;
81 break;
82 case HAL_TX_QUEUE_DATA:
83 q = 0;
84 break;
85 default:
86 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: bad tx queue type %u\n",
87 __func__, type);
88 return -1;
89 }
90
91 HALDEBUG(ah, HAL_DEBUG_TXQUEUE, "%s: queue %u\n", __func__, q);
92
93 qi = &ahp->ah_txq[q];
94 if (qi->tqi_type != HAL_TX_QUEUE_INACTIVE) {
95 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: tx queue %u already active\n",
96 __func__, q);
97 return -1;
98 }
99 OS_MEMZERO(qi, sizeof(HAL_TX_QUEUE_INFO));
100 qi->tqi_type = type;
101 if (qInfo == AH_NULL) {
102 /* by default enable OK+ERR+DESC+URN interrupts */
103 qi->tqi_qflags =
104 HAL_TXQ_TXOKINT_ENABLE
105 | HAL_TXQ_TXERRINT_ENABLE
106 | HAL_TXQ_TXDESCINT_ENABLE
107 | HAL_TXQ_TXURNINT_ENABLE
108 ;
109 qi->tqi_aifs = INIT_AIFS;
110 qi->tqi_cwmin = HAL_TXQ_USEDEFAULT; /* NB: do at reset */
111 qi->tqi_shretry = INIT_SH_RETRY;
112 qi->tqi_lgretry = INIT_LG_RETRY;
113 } else
114 (void) ar5210SetTxQueueProps(ah, q, qInfo);
115 /* NB: must be followed by ar5210ResetTxQueue */
116 return q;
117 }
118
119 /*
120 * Free a tx DCU/QCU combination.
121 */
122 HAL_BOOL
ar5210ReleaseTxQueue(struct ath_hal * ah,u_int q)123 ar5210ReleaseTxQueue(struct ath_hal *ah, u_int q)
124 {
125 struct ath_hal_5210 *ahp = AH5210(ah);
126 HAL_TX_QUEUE_INFO *qi;
127
128 if (q >= HAL_NUM_TX_QUEUES) {
129 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid queue num %u\n",
130 __func__, q);
131 return AH_FALSE;
132 }
133 qi = &ahp->ah_txq[q];
134 if (qi->tqi_type == HAL_TX_QUEUE_INACTIVE) {
135 HALDEBUG(ah, HAL_DEBUG_TXQUEUE, "%s: inactive queue %u\n",
136 __func__, q);
137 return AH_FALSE;
138 }
139
140 HALDEBUG(ah, HAL_DEBUG_TXQUEUE, "%s: release queue %u\n", __func__, q);
141
142 qi->tqi_type = HAL_TX_QUEUE_INACTIVE;
143 ahp->ah_txOkInterruptMask &= ~(1 << q);
144 ahp->ah_txErrInterruptMask &= ~(1 << q);
145 ahp->ah_txDescInterruptMask &= ~(1 << q);
146 ahp->ah_txEolInterruptMask &= ~(1 << q);
147 ahp->ah_txUrnInterruptMask &= ~(1 << q);
148
149 return AH_TRUE;
150 #undef N
151 }
152
153 HAL_BOOL
ar5210ResetTxQueue(struct ath_hal * ah,u_int q)154 ar5210ResetTxQueue(struct ath_hal *ah, u_int q)
155 {
156 struct ath_hal_5210 *ahp = AH5210(ah);
157 const struct ieee80211_channel *chan = AH_PRIVATE(ah)->ah_curchan;
158 HAL_TX_QUEUE_INFO *qi;
159 uint32_t cwMin;
160
161 if (q >= HAL_NUM_TX_QUEUES) {
162 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid queue num %u\n",
163 __func__, q);
164 return AH_FALSE;
165 }
166 qi = &ahp->ah_txq[q];
167 if (qi->tqi_type == HAL_TX_QUEUE_INACTIVE) {
168 HALDEBUG(ah, HAL_DEBUG_TXQUEUE, "%s: inactive queue %u\n",
169 __func__, q);
170 return AH_FALSE;
171 }
172
173 /*
174 * Ignore any non-data queue(s).
175 */
176 if (qi->tqi_type != HAL_TX_QUEUE_DATA)
177 return AH_TRUE;
178
179 /* Set turbo mode / base mode parameters on or off */
180 if (IEEE80211_IS_CHAN_TURBO(chan)) {
181 OS_REG_WRITE(ah, AR_SLOT_TIME, INIT_SLOT_TIME_TURBO);
182 OS_REG_WRITE(ah, AR_TIME_OUT, INIT_ACK_CTS_TIMEOUT_TURBO);
183 OS_REG_WRITE(ah, AR_USEC, INIT_TRANSMIT_LATENCY_TURBO);
184 OS_REG_WRITE(ah, AR_IFS0,
185 ((INIT_SIFS_TURBO + qi->tqi_aifs * INIT_SLOT_TIME_TURBO)
186 << AR_IFS0_DIFS_S)
187 | INIT_SIFS_TURBO);
188 OS_REG_WRITE(ah, AR_IFS1, INIT_PROTO_TIME_CNTRL_TURBO);
189 OS_REG_WRITE(ah, AR_PHY(17),
190 (OS_REG_READ(ah, AR_PHY(17)) & ~0x7F) | 0x38);
191 OS_REG_WRITE(ah, AR_PHY_FRCTL,
192 AR_PHY_SERVICE_ERR | AR_PHY_TXURN_ERR |
193 AR_PHY_ILLLEN_ERR | AR_PHY_ILLRATE_ERR |
194 AR_PHY_PARITY_ERR | AR_PHY_TIMING_ERR |
195 0x2020 |
196 AR_PHY_TURBO_MODE | AR_PHY_TURBO_SHORT);
197 } else {
198 OS_REG_WRITE(ah, AR_SLOT_TIME, INIT_SLOT_TIME);
199 OS_REG_WRITE(ah, AR_TIME_OUT, INIT_ACK_CTS_TIMEOUT);
200 OS_REG_WRITE(ah, AR_USEC, INIT_TRANSMIT_LATENCY);
201 OS_REG_WRITE(ah, AR_IFS0,
202 ((INIT_SIFS + qi->tqi_aifs * INIT_SLOT_TIME)
203 << AR_IFS0_DIFS_S)
204 | INIT_SIFS);
205 OS_REG_WRITE(ah, AR_IFS1, INIT_PROTO_TIME_CNTRL);
206 OS_REG_WRITE(ah, AR_PHY(17),
207 (OS_REG_READ(ah, AR_PHY(17)) & ~0x7F) | 0x1C);
208 OS_REG_WRITE(ah, AR_PHY_FRCTL,
209 AR_PHY_SERVICE_ERR | AR_PHY_TXURN_ERR |
210 AR_PHY_ILLLEN_ERR | AR_PHY_ILLRATE_ERR |
211 AR_PHY_PARITY_ERR | AR_PHY_TIMING_ERR | 0x1020);
212 }
213
214 if (qi->tqi_cwmin == HAL_TXQ_USEDEFAULT)
215 cwMin = INIT_CWMIN;
216 else
217 cwMin = qi->tqi_cwmin;
218
219 /* Set cwmin and retry limit values */
220 OS_REG_WRITE(ah, AR_RETRY_LMT,
221 (cwMin << AR_RETRY_LMT_CW_MIN_S)
222 | SM(INIT_SLG_RETRY, AR_RETRY_LMT_SLG_RETRY)
223 | SM(INIT_SSH_RETRY, AR_RETRY_LMT_SSH_RETRY)
224 | SM(qi->tqi_lgretry, AR_RETRY_LMT_LG_RETRY)
225 | SM(qi->tqi_shretry, AR_RETRY_LMT_SH_RETRY)
226 );
227
228 if (qi->tqi_qflags & HAL_TXQ_TXOKINT_ENABLE)
229 ahp->ah_txOkInterruptMask |= 1 << q;
230 else
231 ahp->ah_txOkInterruptMask &= ~(1 << q);
232 if (qi->tqi_qflags & HAL_TXQ_TXERRINT_ENABLE)
233 ahp->ah_txErrInterruptMask |= 1 << q;
234 else
235 ahp->ah_txErrInterruptMask &= ~(1 << q);
236 if (qi->tqi_qflags & HAL_TXQ_TXDESCINT_ENABLE)
237 ahp->ah_txDescInterruptMask |= 1 << q;
238 else
239 ahp->ah_txDescInterruptMask &= ~(1 << q);
240 if (qi->tqi_qflags & HAL_TXQ_TXEOLINT_ENABLE)
241 ahp->ah_txEolInterruptMask |= 1 << q;
242 else
243 ahp->ah_txEolInterruptMask &= ~(1 << q);
244 if (qi->tqi_qflags & HAL_TXQ_TXURNINT_ENABLE)
245 ahp->ah_txUrnInterruptMask |= 1 << q;
246 else
247 ahp->ah_txUrnInterruptMask &= ~(1 << q);
248
249 return AH_TRUE;
250 }
251
252 /*
253 * Get the TXDP for the "main" data queue. Needs to be extended
254 * for multiple Q functionality
255 */
256 uint32_t
ar5210GetTxDP(struct ath_hal * ah,u_int q)257 ar5210GetTxDP(struct ath_hal *ah, u_int q)
258 {
259 struct ath_hal_5210 *ahp = AH5210(ah);
260 HAL_TX_QUEUE_INFO *qi;
261
262 HALASSERT(q < HAL_NUM_TX_QUEUES);
263
264 qi = &ahp->ah_txq[q];
265 switch (qi->tqi_type) {
266 case HAL_TX_QUEUE_DATA:
267 return OS_REG_READ(ah, AR_TXDP0);
268 case HAL_TX_QUEUE_INACTIVE:
269 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: inactive queue %u\n",
270 __func__, q);
271 /* fall thru... */
272 default:
273 break;
274 }
275 return 0xffffffff;
276 }
277
278 /*
279 * Set the TxDP for the "main" data queue.
280 */
281 HAL_BOOL
ar5210SetTxDP(struct ath_hal * ah,u_int q,uint32_t txdp)282 ar5210SetTxDP(struct ath_hal *ah, u_int q, uint32_t txdp)
283 {
284 struct ath_hal_5210 *ahp = AH5210(ah);
285 HAL_TX_QUEUE_INFO *qi;
286
287 HALASSERT(q < HAL_NUM_TX_QUEUES);
288
289 HALDEBUG(ah, HAL_DEBUG_TXQUEUE, "%s: queue %u 0x%x\n",
290 __func__, q, txdp);
291 qi = &ahp->ah_txq[q];
292 switch (qi->tqi_type) {
293 case HAL_TX_QUEUE_DATA:
294 #ifdef AH_DEBUG
295 /*
296 * Make sure that TXE is deasserted before setting the
297 * TXDP. If TXE is still asserted, setting TXDP will
298 * have no effect.
299 */
300 if (OS_REG_READ(ah, AR_CR) & AR_CR_TXE0)
301 ath_hal_printf(ah, "%s: TXE asserted; AR_CR=0x%x\n",
302 __func__, OS_REG_READ(ah, AR_CR));
303 #endif
304 OS_REG_WRITE(ah, AR_TXDP0, txdp);
305 break;
306 case HAL_TX_QUEUE_BEACON:
307 case HAL_TX_QUEUE_CAB:
308 OS_REG_WRITE(ah, AR_TXDP1, txdp);
309 break;
310 case HAL_TX_QUEUE_INACTIVE:
311 HALDEBUG(ah, HAL_DEBUG_TXQUEUE, "%s: inactive queue %u\n",
312 __func__, q);
313 /* fall thru... */
314 default:
315 return AH_FALSE;
316 }
317 return AH_TRUE;
318 }
319
320 /*
321 * Update Tx FIFO trigger level.
322 *
323 * Set bIncTrigLevel to TRUE to increase the trigger level.
324 * Set bIncTrigLevel to FALSE to decrease the trigger level.
325 *
326 * Returns TRUE if the trigger level was updated
327 */
328 HAL_BOOL
ar5210UpdateTxTrigLevel(struct ath_hal * ah,HAL_BOOL bIncTrigLevel)329 ar5210UpdateTxTrigLevel(struct ath_hal *ah, HAL_BOOL bIncTrigLevel)
330 {
331 uint32_t curTrigLevel;
332 HAL_INT ints = ar5210GetInterrupts(ah);
333
334 /*
335 * Disable chip interrupts. This is because halUpdateTxTrigLevel
336 * is called from both ISR and non-ISR contexts.
337 */
338 (void) ar5210SetInterrupts(ah, ints &~ HAL_INT_GLOBAL);
339 curTrigLevel = OS_REG_READ(ah, AR_TRIG_LEV);
340 if (bIncTrigLevel){
341 /* increase the trigger level */
342 curTrigLevel = curTrigLevel +
343 ((MAX_TX_FIFO_THRESHOLD - curTrigLevel) / 2);
344 } else {
345 /* decrease the trigger level if not already at the minimum */
346 if (curTrigLevel > MIN_TX_FIFO_THRESHOLD) {
347 /* decrease the trigger level */
348 curTrigLevel--;
349 } else {
350 /* no update to the trigger level */
351 /* re-enable chip interrupts */
352 ar5210SetInterrupts(ah, ints);
353 return AH_FALSE;
354 }
355 }
356 /* Update the trigger level */
357 OS_REG_WRITE(ah, AR_TRIG_LEV, curTrigLevel);
358 /* re-enable chip interrupts */
359 ar5210SetInterrupts(ah, ints);
360 return AH_TRUE;
361 }
362
363 /*
364 * Set Transmit Enable bits for the specified queues.
365 */
366 HAL_BOOL
ar5210StartTxDma(struct ath_hal * ah,u_int q)367 ar5210StartTxDma(struct ath_hal *ah, u_int q)
368 {
369 struct ath_hal_5210 *ahp = AH5210(ah);
370 HAL_TX_QUEUE_INFO *qi;
371
372 HALASSERT(q < HAL_NUM_TX_QUEUES);
373
374 HALDEBUG(ah, HAL_DEBUG_TXQUEUE, "%s: queue %u\n", __func__, q);
375 qi = &ahp->ah_txq[q];
376 switch (qi->tqi_type) {
377 case HAL_TX_QUEUE_DATA:
378 OS_REG_WRITE(ah, AR_CR, AR_CR_TXE0);
379 break;
380 case HAL_TX_QUEUE_CAB:
381 OS_REG_WRITE(ah, AR_CR, AR_CR_TXE1); /* enable altq xmit */
382 OS_REG_WRITE(ah, AR_BCR,
383 AR_BCR_TQ1V | AR_BCR_BDMAE | AR_BCR_TQ1FV);
384 break;
385 case HAL_TX_QUEUE_BEACON:
386 /* XXX add CR_BCR_BCMD if IBSS mode */
387 OS_REG_WRITE(ah, AR_BCR, AR_BCR_TQ1V | AR_BCR_BDMAE);
388 break;
389 case HAL_TX_QUEUE_INACTIVE:
390 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: inactive queue %u\n",
391 __func__, q);
392 /* fal thru... */
393 default:
394 return AH_FALSE;
395 }
396 return AH_TRUE;
397 }
398
399 uint32_t
ar5210NumTxPending(struct ath_hal * ah,u_int q)400 ar5210NumTxPending(struct ath_hal *ah, u_int q)
401 {
402 struct ath_hal_5210 *ahp = AH5210(ah);
403 HAL_TX_QUEUE_INFO *qi;
404 uint32_t v;
405
406 HALASSERT(q < HAL_NUM_TX_QUEUES);
407
408 HALDEBUG(ah, HAL_DEBUG_TXQUEUE, "%s: queue %u\n", __func__, q);
409 qi = &ahp->ah_txq[q];
410 switch (qi->tqi_type) {
411 case HAL_TX_QUEUE_DATA:
412 v = OS_REG_READ(ah, AR_CFG);
413 return MS(v, AR_CFG_TXCNT);
414 case HAL_TX_QUEUE_INACTIVE:
415 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: inactive queue %u\n",
416 __func__, q);
417 /* fall thru... */
418 default:
419 break;
420 }
421 return 0;
422 }
423
424 /*
425 * Stop transmit on the specified queue
426 */
427 HAL_BOOL
ar5210StopTxDma(struct ath_hal * ah,u_int q)428 ar5210StopTxDma(struct ath_hal *ah, u_int q)
429 {
430 struct ath_hal_5210 *ahp = AH5210(ah);
431 HAL_TX_QUEUE_INFO *qi;
432
433 HALASSERT(q < HAL_NUM_TX_QUEUES);
434
435 HALDEBUG(ah, HAL_DEBUG_TXQUEUE, "%s: queue %u\n", __func__, q);
436 qi = &ahp->ah_txq[q];
437 switch (qi->tqi_type) {
438 case HAL_TX_QUEUE_DATA: {
439 int i;
440 OS_REG_WRITE(ah, AR_CR, AR_CR_TXD0);
441 for (i = 0; i < 1000; i++) {
442 if ((OS_REG_READ(ah, AR_CFG) & AR_CFG_TXCNT) == 0)
443 break;
444 OS_DELAY(10);
445 }
446 OS_REG_WRITE(ah, AR_CR, 0);
447 return (i < 1000);
448 }
449 case HAL_TX_QUEUE_BEACON:
450 return ath_hal_wait(ah, AR_BSR, AR_BSR_TXQ1F, 0);
451 case HAL_TX_QUEUE_INACTIVE:
452 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: inactive queue %u\n",
453 __func__, q);
454 /* fall thru... */
455 default:
456 break;
457 }
458 return AH_FALSE;
459 }
460
461 /*
462 * Descriptor Access Functions
463 */
464
465 #define VALID_PKT_TYPES \
466 ((1<<HAL_PKT_TYPE_NORMAL)|(1<<HAL_PKT_TYPE_ATIM)|\
467 (1<<HAL_PKT_TYPE_PSPOLL)|(1<<HAL_PKT_TYPE_PROBE_RESP)|\
468 (1<<HAL_PKT_TYPE_BEACON))
469 #define isValidPktType(_t) ((1<<(_t)) & VALID_PKT_TYPES)
470 #define VALID_TX_RATES \
471 ((1<<0x0b)|(1<<0x0f)|(1<<0x0a)|(1<<0x0e)|(1<<0x09)|(1<<0x0d)|\
472 (1<<0x08)|(1<<0x0c)|(1<<0x1b)|(1<<0x1a)|(1<<0x1e)|(1<<0x19)|\
473 (1<<0x1d)|(1<<0x18)|(1<<0x1c))
474 #define isValidTxRate(_r) ((1<<(_r)) & VALID_TX_RATES)
475
476 HAL_BOOL
ar5210SetupTxDesc(struct ath_hal * ah,struct ath_desc * ds,u_int pktLen,u_int hdrLen,HAL_PKT_TYPE type,u_int txPower,u_int txRate0,u_int txTries0,u_int keyIx,u_int antMode,u_int flags,u_int rtsctsRate,u_int rtsctsDuration,u_int compicvLen,u_int compivLen,u_int comp)477 ar5210SetupTxDesc(struct ath_hal *ah, struct ath_desc *ds,
478 u_int pktLen,
479 u_int hdrLen,
480 HAL_PKT_TYPE type,
481 u_int txPower,
482 u_int txRate0, u_int txTries0,
483 u_int keyIx,
484 u_int antMode,
485 u_int flags,
486 u_int rtsctsRate,
487 u_int rtsctsDuration,
488 u_int compicvLen,
489 u_int compivLen,
490 u_int comp)
491 {
492 struct ar5210_desc *ads = AR5210DESC(ds);
493 uint32_t frtype;
494
495 (void) txPower;
496 (void) rtsctsDuration;
497
498 HALASSERT(txTries0 != 0);
499 HALASSERT(isValidPktType(type));
500 HALASSERT(isValidTxRate(txRate0));
501
502 if (type == HAL_PKT_TYPE_BEACON || type == HAL_PKT_TYPE_PROBE_RESP)
503 frtype = AR_Frm_NoDelay;
504 else
505 frtype = type << 26;
506 ads->ds_ctl0 = (pktLen & AR_FrameLen)
507 | (txRate0 << AR_XmitRate_S)
508 | ((hdrLen << AR_HdrLen_S) & AR_HdrLen)
509 | frtype
510 | (flags & HAL_TXDESC_CLRDMASK ? AR_ClearDestMask : 0)
511 | (flags & HAL_TXDESC_INTREQ ? AR_TxInterReq : 0)
512 | (antMode ? AR_AntModeXmit : 0)
513 ;
514 if (keyIx != HAL_TXKEYIX_INVALID) {
515 ads->ds_ctl1 = (keyIx << AR_EncryptKeyIdx_S) & AR_EncryptKeyIdx;
516 ads->ds_ctl0 |= AR_EncryptKeyValid;
517 } else
518 ads->ds_ctl1 = 0;
519 if (flags & HAL_TXDESC_RTSENA) {
520 ads->ds_ctl0 |= AR_RTSCTSEnable;
521 ads->ds_ctl1 |= (rtsctsDuration << AR_RTSDuration_S)
522 & AR_RTSDuration;
523 }
524 return AH_TRUE;
525 }
526
527 HAL_BOOL
ar5210SetupXTxDesc(struct ath_hal * ah,struct ath_desc * ds,u_int txRate1,u_int txTries1,u_int txRate2,u_int txTries2,u_int txRate3,u_int txTries3)528 ar5210SetupXTxDesc(struct ath_hal *ah, struct ath_desc *ds,
529 u_int txRate1, u_int txTries1,
530 u_int txRate2, u_int txTries2,
531 u_int txRate3, u_int txTries3)
532 {
533 (void) ah; (void) ds;
534 (void) txRate1; (void) txTries1;
535 (void) txRate2; (void) txTries2;
536 (void) txRate3; (void) txTries3;
537 return AH_FALSE;
538 }
539
540 void
ar5210IntrReqTxDesc(struct ath_hal * ah,struct ath_desc * ds)541 ar5210IntrReqTxDesc(struct ath_hal *ah, struct ath_desc *ds)
542 {
543 struct ar5210_desc *ads = AR5210DESC(ds);
544
545 ads->ds_ctl0 |= AR_TxInterReq;
546 }
547
548 HAL_BOOL
ar5210FillTxDesc(struct ath_hal * ah,struct ath_desc * ds,HAL_DMA_ADDR * bufAddrList,uint32_t * segLenList,u_int descId,u_int qcuId,HAL_BOOL firstSeg,HAL_BOOL lastSeg,const struct ath_desc * ds0)549 ar5210FillTxDesc(struct ath_hal *ah, struct ath_desc *ds,
550 HAL_DMA_ADDR *bufAddrList, uint32_t *segLenList, u_int descId,
551 u_int qcuId, HAL_BOOL firstSeg, HAL_BOOL lastSeg,
552 const struct ath_desc *ds0)
553 {
554 struct ar5210_desc *ads = AR5210DESC(ds);
555 uint32_t segLen = segLenList[0];
556
557 HALASSERT((segLen &~ AR_BufLen) == 0);
558
559 ds->ds_data = bufAddrList[0];
560
561 if (firstSeg) {
562 /*
563 * First descriptor, don't clobber xmit control data
564 * setup by ar5210SetupTxDesc.
565 */
566 ads->ds_ctl1 |= segLen | (lastSeg ? 0 : AR_More);
567 } else if (lastSeg) { /* !firstSeg && lastSeg */
568 /*
569 * Last descriptor in a multi-descriptor frame,
570 * copy the transmit parameters from the first
571 * frame for processing on completion.
572 */
573 ads->ds_ctl0 = AR5210DESC_CONST(ds0)->ds_ctl0;
574 ads->ds_ctl1 = segLen;
575 } else { /* !firstSeg && !lastSeg */
576 /*
577 * Intermediate descriptor in a multi-descriptor frame.
578 */
579 ads->ds_ctl0 = 0;
580 ads->ds_ctl1 = segLen | AR_More;
581 }
582 ads->ds_status0 = ads->ds_status1 = 0;
583 return AH_TRUE;
584 }
585
586 /*
587 * Processing of HW TX descriptor.
588 */
589 HAL_STATUS
ar5210ProcTxDesc(struct ath_hal * ah,struct ath_desc * ds,struct ath_tx_status * ts)590 ar5210ProcTxDesc(struct ath_hal *ah,
591 struct ath_desc *ds, struct ath_tx_status *ts)
592 {
593 struct ar5210_desc *ads = AR5210DESC(ds);
594
595 if ((ads->ds_status1 & AR_Done) == 0)
596 return HAL_EINPROGRESS;
597
598 /* Update software copies of the HW status */
599 ts->ts_seqnum = ads->ds_status1 & AR_SeqNum;
600 ts->ts_tstamp = MS(ads->ds_status0, AR_SendTimestamp);
601 ts->ts_status = 0;
602 if ((ads->ds_status0 & AR_FrmXmitOK) == 0) {
603 if (ads->ds_status0 & AR_ExcessiveRetries)
604 ts->ts_status |= HAL_TXERR_XRETRY;
605 if (ads->ds_status0 & AR_Filtered)
606 ts->ts_status |= HAL_TXERR_FILT;
607 if (ads->ds_status0 & AR_FIFOUnderrun)
608 ts->ts_status |= HAL_TXERR_FIFO;
609 }
610 ts->ts_rate = MS(ads->ds_ctl0, AR_XmitRate);
611 ts->ts_rssi = MS(ads->ds_status1, AR_AckSigStrength);
612 ts->ts_shortretry = MS(ads->ds_status0, AR_ShortRetryCnt);
613 ts->ts_longretry = MS(ads->ds_status0, AR_LongRetryCnt);
614 ts->ts_antenna = 0; /* NB: don't know */
615 ts->ts_finaltsi = 0;
616
617 return HAL_OK;
618 }
619
620 /*
621 * Determine which tx queues need interrupt servicing.
622 * STUB.
623 */
624 void
ar5210GetTxIntrQueue(struct ath_hal * ah,uint32_t * txqs)625 ar5210GetTxIntrQueue(struct ath_hal *ah, uint32_t *txqs)
626 {
627 return;
628 }
629
630 /*
631 * Retrieve the rate table from the given TX completion descriptor
632 */
633 HAL_BOOL
ar5210GetTxCompletionRates(struct ath_hal * ah,const struct ath_desc * ds0,int * rates,int * tries)634 ar5210GetTxCompletionRates(struct ath_hal *ah, const struct ath_desc *ds0, int *rates, int *tries)
635 {
636 return AH_FALSE;
637 }
638
639 /*
640 * Set the TX descriptor link pointer
641 */
642 void
ar5210SetTxDescLink(struct ath_hal * ah,void * ds,uint32_t link)643 ar5210SetTxDescLink(struct ath_hal *ah, void *ds, uint32_t link)
644 {
645 struct ar5210_desc *ads = AR5210DESC(ds);
646
647 ads->ds_link = link;
648 }
649
650 /*
651 * Get the TX descriptor link pointer
652 */
653 void
ar5210GetTxDescLink(struct ath_hal * ah,void * ds,uint32_t * link)654 ar5210GetTxDescLink(struct ath_hal *ah, void *ds, uint32_t *link)
655 {
656 struct ar5210_desc *ads = AR5210DESC(ds);
657
658 *link = ads->ds_link;
659 }
660
661 /*
662 * Get a pointer to the TX descriptor link pointer
663 */
664 void
ar5210GetTxDescLinkPtr(struct ath_hal * ah,void * ds,uint32_t ** linkptr)665 ar5210GetTxDescLinkPtr(struct ath_hal *ah, void *ds, uint32_t **linkptr)
666 {
667 struct ar5210_desc *ads = AR5210DESC(ds);
668
669 *linkptr = &ads->ds_link;
670 }
671