Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
/*-
 * SPDX-License-Identifier: ISC
 *
 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
 * Copyright (c) 2002-2006 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.
 *
 * $FreeBSD$
 */
#include "opt_ah.h"

#include "ah.h"
#include "ah_internal.h"

#include "ar5211/ar5211.h"
#include "ar5211/ar5211reg.h"
#include "ar5211/ar5211phy.h"

#include "ah_eeprom_v3.h"

#define	AR_NUM_GPIO	6		/* 6 GPIO bits */
#define	AR_GPIOD_MASK	0x2f		/* 6-bit mask */

void
ar5211GetMacAddress(struct ath_hal *ah, uint8_t *mac)
{
	struct ath_hal_5211 *ahp = AH5211(ah);

	OS_MEMCPY(mac, ahp->ah_macaddr, IEEE80211_ADDR_LEN);
}

HAL_BOOL
ar5211SetMacAddress(struct ath_hal *ah, const uint8_t *mac)
{
	struct ath_hal_5211 *ahp = AH5211(ah);

	OS_MEMCPY(ahp->ah_macaddr, mac, IEEE80211_ADDR_LEN);
	return AH_TRUE;
}

void
ar5211GetBssIdMask(struct ath_hal *ah, uint8_t *mask)
{
	static const uint8_t ones[IEEE80211_ADDR_LEN] =
		{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
	OS_MEMCPY(mask, ones, IEEE80211_ADDR_LEN);
}

HAL_BOOL
ar5211SetBssIdMask(struct ath_hal *ah, const uint8_t *mask)
{
	return AH_FALSE;
}

/*
 * Read 16 bits of data from the specified EEPROM offset.
 */
HAL_BOOL
ar5211EepromRead(struct ath_hal *ah, u_int off, uint16_t *data)
{
	OS_REG_WRITE(ah, AR_EEPROM_ADDR, off);
	OS_REG_WRITE(ah, AR_EEPROM_CMD, AR_EEPROM_CMD_READ);

	if (!ath_hal_wait(ah, AR_EEPROM_STS,
	    AR_EEPROM_STS_READ_COMPLETE | AR_EEPROM_STS_READ_ERROR,
	    AR_EEPROM_STS_READ_COMPLETE)) {
		HALDEBUG(ah, HAL_DEBUG_ANY,
		    "%s: read failed for entry 0x%x\n", __func__, off);
		return AH_FALSE;
	}
	*data = OS_REG_READ(ah, AR_EEPROM_DATA) & 0xffff;
	return AH_TRUE;
}

#ifdef AH_SUPPORT_WRITE_EEPROM
/*
 * Write 16 bits of data to the specified EEPROM offset.
 */
HAL_BOOL
ar5211EepromWrite(struct ath_hal *ah, u_int off, uint16_t data)
{
	return AH_FALSE;
}
#endif /* AH_SUPPORT_WRITE_EEPROM */

/*
 * Attempt to change the cards operating regulatory domain to the given value
 */
HAL_BOOL
ar5211SetRegulatoryDomain(struct ath_hal *ah,
	uint16_t regDomain, HAL_STATUS *status)
{
	HAL_STATUS ecode;

	if (AH_PRIVATE(ah)->ah_currentRD == regDomain) {
		ecode = HAL_EINVAL;
		goto bad;
	}
	/*
	 * Check if EEPROM is configured to allow this; must
	 * be a proper version and the protection bits must
	 * permit re-writing that segment of the EEPROM.
	 */
	if (ath_hal_eepromGetFlag(ah, AR_EEP_WRITEPROTECT)) {
		ecode = HAL_EEWRITE;
		goto bad;
	}
#ifdef AH_SUPPORT_WRITE_REGDOMAIN
	if (ar5211EepromWrite(ah, AR_EEPROM_REG_DOMAIN, regDomain)) {
		HALDEBUG(ah, HAL_DEBUG_ANY,
		    "%s: set regulatory domain to %u (0x%x)\n",
		    __func__, regDomain, regDomain);
		AH_PRIVATE(ah)->ah_currentRD = regDomain;
		return AH_TRUE;
	}
#endif
	ecode = HAL_EIO;
bad:
	if (status)
		*status = ecode;
	return AH_FALSE;
}

/*
 * Return the wireless modes (a,b,g,t) supported by hardware.
 *
 * This value is what is actually supported by the hardware
 * and is unaffected by regulatory/country code settings.
 *
 */
u_int
ar5211GetWirelessModes(struct ath_hal *ah)
{
	u_int mode = 0;

	if (ath_hal_eepromGetFlag(ah, AR_EEP_AMODE)) {
		mode = HAL_MODE_11A;
		if (!ath_hal_eepromGetFlag(ah, AR_EEP_TURBO5DISABLE))
			mode |= HAL_MODE_TURBO | HAL_MODE_108A;
	}
	if (ath_hal_eepromGetFlag(ah, AR_EEP_BMODE))
		mode |= HAL_MODE_11B;
	return mode;
}

#if 0
HAL_BOOL
ar5211GetTurboDisable(struct ath_hal *ah)
{
	return (AH5211(ah)->ah_turboDisable != 0);
}
#endif

/*
 * Called if RfKill is supported (according to EEPROM).  Set the interrupt and
 * GPIO values so the ISR and can disable RF on a switch signal
 */
void
ar5211EnableRfKill(struct ath_hal *ah)
{
	uint16_t rfsilent = AH_PRIVATE(ah)->ah_rfsilent;
	int select = MS(rfsilent, AR_EEPROM_RFSILENT_GPIO_SEL);
	int polarity = MS(rfsilent, AR_EEPROM_RFSILENT_POLARITY);

	/*
	 * Configure the desired GPIO port for input
	 * and enable baseband rf silence.
	 */
	ar5211GpioCfgInput(ah, select);
	OS_REG_SET_BIT(ah, AR_PHY_BASE, 0x00002000);
	/*
	 * If radio disable switch connection to GPIO bit x is enabled
	 * program GPIO interrupt.
	 * If rfkill bit on eeprom is 1, setupeeprommap routine has already
	 * verified that it is a later version of eeprom, it has a place for
	 * rfkill bit and it is set to 1, indicating that GPIO bit x hardware
	 * connection is present.
	 */
	ar5211GpioSetIntr(ah, select, (ar5211GpioGet(ah, select) != polarity));
}

/*
 * Configure GPIO Output lines
 */
HAL_BOOL
ar5211GpioCfgOutput(struct ath_hal *ah, uint32_t gpio, HAL_GPIO_MUX_TYPE type)
{
	uint32_t reg;

	HALASSERT(gpio < AR_NUM_GPIO);

	reg =  OS_REG_READ(ah, AR_GPIOCR);
	reg &= ~(AR_GPIOCR_0_CR_A << (gpio * AR_GPIOCR_CR_SHIFT));
	reg |= AR_GPIOCR_0_CR_A << (gpio * AR_GPIOCR_CR_SHIFT);

	OS_REG_WRITE(ah, AR_GPIOCR, reg);
	return AH_TRUE;
}

/*
 * Configure GPIO Input lines
 */
HAL_BOOL
ar5211GpioCfgInput(struct ath_hal *ah, uint32_t gpio)
{
	uint32_t reg;

	HALASSERT(gpio < AR_NUM_GPIO);

	reg =  OS_REG_READ(ah, AR_GPIOCR);
	reg &= ~(AR_GPIOCR_0_CR_A << (gpio * AR_GPIOCR_CR_SHIFT));
	reg |= AR_GPIOCR_0_CR_N << (gpio * AR_GPIOCR_CR_SHIFT);

	OS_REG_WRITE(ah, AR_GPIOCR, reg);
	return AH_TRUE;
}

/*
 * Once configured for I/O - set output lines
 */
HAL_BOOL
ar5211GpioSet(struct ath_hal *ah, uint32_t gpio, uint32_t val)
{
	uint32_t reg;

	HALASSERT(gpio < AR_NUM_GPIO);

	reg =  OS_REG_READ(ah, AR_GPIODO);
	reg &= ~(1 << gpio);
	reg |= (val&1) << gpio;

	OS_REG_WRITE(ah, AR_GPIODO, reg);
	return AH_TRUE;
}

/*
 * Once configured for I/O - get input lines
 */
uint32_t
ar5211GpioGet(struct ath_hal *ah, uint32_t gpio)
{
	if (gpio < AR_NUM_GPIO) {
		uint32_t val = OS_REG_READ(ah, AR_GPIODI);
		val = ((val & AR_GPIOD_MASK) >> gpio) & 0x1;
		return val;
	} else  {
		return 0xffffffff;
	}
}

/*
 * Set the GPIO 0 Interrupt (gpio is ignored)
 */
void
ar5211GpioSetIntr(struct ath_hal *ah, u_int gpio, uint32_t ilevel)
{
	uint32_t val = OS_REG_READ(ah, AR_GPIOCR);

	/* Clear the bits that we will modify. */
	val &= ~(AR_GPIOCR_INT_SEL0 | AR_GPIOCR_INT_SELH | AR_GPIOCR_INT_ENA |
			AR_GPIOCR_0_CR_A);

	val |= AR_GPIOCR_INT_SEL0 | AR_GPIOCR_INT_ENA;
	if (ilevel)
		val |= AR_GPIOCR_INT_SELH;

	/* Don't need to change anything for low level interrupt. */
	OS_REG_WRITE(ah, AR_GPIOCR, val);

	/* Change the interrupt mask. */
	ar5211SetInterrupts(ah, AH5211(ah)->ah_maskReg | HAL_INT_GPIO);
}

/*
 * Change the LED blinking pattern to correspond to the connectivity
 */
void
ar5211SetLedState(struct ath_hal *ah, HAL_LED_STATE state)
{
	static const uint32_t ledbits[8] = {
		AR_PCICFG_LEDCTL_NONE|AR_PCICFG_LEDMODE_PROP, /* HAL_LED_INIT */
		AR_PCICFG_LEDCTL_PEND|AR_PCICFG_LEDMODE_PROP, /* HAL_LED_SCAN */
		AR_PCICFG_LEDCTL_PEND|AR_PCICFG_LEDMODE_PROP, /* HAL_LED_AUTH */
		AR_PCICFG_LEDCTL_ASSOC|AR_PCICFG_LEDMODE_PROP,/* HAL_LED_ASSOC*/
		AR_PCICFG_LEDCTL_ASSOC|AR_PCICFG_LEDMODE_PROP,/* HAL_LED_RUN */
		AR_PCICFG_LEDCTL_NONE|AR_PCICFG_LEDMODE_RAND,
		AR_PCICFG_LEDCTL_NONE|AR_PCICFG_LEDMODE_RAND,
		AR_PCICFG_LEDCTL_NONE|AR_PCICFG_LEDMODE_RAND,
	};
	OS_REG_WRITE(ah, AR_PCICFG,
		(OS_REG_READ(ah, AR_PCICFG) &~
			(AR_PCICFG_LEDCTL | AR_PCICFG_LEDMODE))
		| ledbits[state & 0x7]
	);
}

/*
 * Change association related fields programmed into the hardware.
 * Writing a valid BSSID to the hardware effectively enables the hardware
 * to synchronize its TSF to the correct beacons and receive frames coming
 * from that BSSID. It is called by the SME JOIN operation.
 */
void
ar5211WriteAssocid(struct ath_hal *ah, const uint8_t *bssid, uint16_t assocId)
{
	struct ath_hal_5211 *ahp = AH5211(ah);

	/* XXX save bssid for possible re-use on reset */
	OS_MEMCPY(ahp->ah_bssid, bssid, IEEE80211_ADDR_LEN);
	OS_REG_WRITE(ah, AR_BSS_ID0, LE_READ_4(ahp->ah_bssid));
	OS_REG_WRITE(ah, AR_BSS_ID1, LE_READ_2(ahp->ah_bssid+4) |
				     ((assocId & 0x3fff)<<AR_BSS_ID1_AID_S));
}

/*
 * Get the current hardware tsf for stamlme.
 */
uint64_t
ar5211GetTsf64(struct ath_hal *ah)
{
	uint32_t low1, low2, u32;

	/* sync multi-word read */
	low1 = OS_REG_READ(ah, AR_TSF_L32);
	u32 = OS_REG_READ(ah, AR_TSF_U32);
	low2 = OS_REG_READ(ah, AR_TSF_L32);
	if (low2 < low1) {	/* roll over */
		/*
		 * If we are not preempted this will work.  If we are
		 * then we re-reading AR_TSF_U32 does no good as the
		 * low bits will be meaningless.  Likewise reading
		 * L32, U32, U32, then comparing the last two reads
		 * to check for rollover doesn't help if preempted--so
		 * we take this approach as it costs one less PCI
		 * read which can be noticeable when doing things
		 * like timestamping packets in monitor mode.
		 */
		u32++;
	}
	return (((uint64_t) u32) << 32) | ((uint64_t) low2);
}

/*
 * Get the current hardware tsf for stamlme.
 */
uint32_t
ar5211GetTsf32(struct ath_hal *ah)
{
	return OS_REG_READ(ah, AR_TSF_L32);
}

/*
 * Reset the current hardware tsf for stamlme
 */
void
ar5211ResetTsf(struct ath_hal *ah)
{
	uint32_t val = OS_REG_READ(ah, AR_BEACON);

	OS_REG_WRITE(ah, AR_BEACON, val | AR_BEACON_RESET_TSF);
}

/*
 * Grab a semi-random value from hardware registers - may not
 * change often
 */
uint32_t
ar5211GetRandomSeed(struct ath_hal *ah)
{
	uint32_t nf;

	nf = (OS_REG_READ(ah, AR_PHY(25)) >> 19) & 0x1ff;
	if (nf & 0x100)
		nf = 0 - ((nf ^ 0x1ff) + 1);
	return (OS_REG_READ(ah, AR_TSF_U32) ^
		OS_REG_READ(ah, AR_TSF_L32) ^ nf);
}

/*
 * Detect if our card is present
 */
HAL_BOOL
ar5211DetectCardPresent(struct ath_hal *ah)
{
	uint16_t macVersion, macRev;
	uint32_t v;

	/*
	 * Read the Silicon Revision register and compare that
	 * to what we read at attach time.  If the same, we say
	 * a card/device is present.
	 */
	v = OS_REG_READ(ah, AR_SREV) & AR_SREV_ID_M;
	macVersion = v >> AR_SREV_ID_S;
	macRev = v & AR_SREV_REVISION_M;
	return (AH_PRIVATE(ah)->ah_macVersion == macVersion &&
		AH_PRIVATE(ah)->ah_macRev == macRev);
}

/*
 * Update MIB Counters
 */
void
ar5211UpdateMibCounters(struct ath_hal *ah, HAL_MIB_STATS *stats)
{
	stats->ackrcv_bad += OS_REG_READ(ah, AR_ACK_FAIL);
	stats->rts_bad	  += OS_REG_READ(ah, AR_RTS_FAIL);
	stats->fcs_bad	  += OS_REG_READ(ah, AR_FCS_FAIL);
	stats->rts_good	  += OS_REG_READ(ah, AR_RTS_OK);
	stats->beacons	  += OS_REG_READ(ah, AR_BEACON_CNT);
}

HAL_BOOL
ar5211SetSifsTime(struct ath_hal *ah, u_int us)
{
	struct ath_hal_5211 *ahp = AH5211(ah);

	if (us > ath_hal_mac_usec(ah, 0xffff)) {
		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: bad SIFS time %u\n",
		    __func__, us);
		ahp->ah_sifstime = (u_int) -1;	/* restore default handling */
		return AH_FALSE;
	} else {
		/* convert to system clocks */
		OS_REG_WRITE(ah, AR_D_GBL_IFS_SIFS, ath_hal_mac_clks(ah, us));
		ahp->ah_slottime = us;
		return AH_TRUE;
	}
}

u_int
ar5211GetSifsTime(struct ath_hal *ah)
{
	u_int clks = OS_REG_READ(ah, AR_D_GBL_IFS_SIFS) & 0xffff;
	return ath_hal_mac_usec(ah, clks);	/* convert from system clocks */
}

HAL_BOOL
ar5211SetSlotTime(struct ath_hal *ah, u_int us)
{
	struct ath_hal_5211 *ahp = AH5211(ah);

	if (us < HAL_SLOT_TIME_9 || us > ath_hal_mac_usec(ah, 0xffff)) {
		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: bad slot time %u\n",
		    __func__, us);
		ahp->ah_slottime = us;	/* restore default handling */
		return AH_FALSE;
	} else {
		/* convert to system clocks */
		OS_REG_WRITE(ah, AR_D_GBL_IFS_SLOT, ath_hal_mac_clks(ah, us));
		ahp->ah_slottime = us;
		return AH_TRUE;
	}
}

u_int
ar5211GetSlotTime(struct ath_hal *ah)
{
	u_int clks = OS_REG_READ(ah, AR_D_GBL_IFS_SLOT) & 0xffff;
	return ath_hal_mac_usec(ah, clks);	/* convert from system clocks */
}

HAL_BOOL
ar5211SetAckTimeout(struct ath_hal *ah, u_int us)
{
	struct ath_hal_5211 *ahp = AH5211(ah);

	if (us > ath_hal_mac_usec(ah, MS(0xffffffff, AR_TIME_OUT_ACK))) {
		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: bad ack timeout %u\n",
		    __func__, us);
		ahp->ah_acktimeout = (u_int) -1; /* restore default handling */
		return AH_FALSE;
	} else {
		/* convert to system clocks */
		OS_REG_RMW_FIELD(ah, AR_TIME_OUT,
			AR_TIME_OUT_ACK, ath_hal_mac_clks(ah, us));
		ahp->ah_acktimeout = us;
		return AH_TRUE;
	}
}

u_int
ar5211GetAckTimeout(struct ath_hal *ah)
{
	u_int clks = MS(OS_REG_READ(ah, AR_TIME_OUT), AR_TIME_OUT_ACK);
	return ath_hal_mac_usec(ah, clks);	/* convert from system clocks */
}

u_int
ar5211GetAckCTSRate(struct ath_hal *ah)
{
	return ((AH5211(ah)->ah_staId1Defaults & AR_STA_ID1_ACKCTS_6MB) == 0);
}

HAL_BOOL
ar5211SetAckCTSRate(struct ath_hal *ah, u_int high)
{
	struct ath_hal_5211 *ahp = AH5211(ah);

	if (high) {
		OS_REG_CLR_BIT(ah, AR_STA_ID1, AR_STA_ID1_ACKCTS_6MB);
		ahp->ah_staId1Defaults &= ~AR_STA_ID1_ACKCTS_6MB;
	} else {
		OS_REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_ACKCTS_6MB);
		ahp->ah_staId1Defaults |= AR_STA_ID1_ACKCTS_6MB;
	}
	return AH_TRUE;
}

HAL_BOOL
ar5211SetCTSTimeout(struct ath_hal *ah, u_int us)
{
	struct ath_hal_5211 *ahp = AH5211(ah);

	if (us > ath_hal_mac_usec(ah, MS(0xffffffff, AR_TIME_OUT_CTS))) {
		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: bad cts timeout %u\n",
		    __func__, us);
		ahp->ah_ctstimeout = (u_int) -1; /* restore default handling */
		return AH_FALSE;
	} else {
		/* convert to system clocks */
		OS_REG_RMW_FIELD(ah, AR_TIME_OUT,
			AR_TIME_OUT_CTS, ath_hal_mac_clks(ah, us));
		ahp->ah_ctstimeout = us;
		return AH_TRUE;
	}
}

u_int
ar5211GetCTSTimeout(struct ath_hal *ah)
{
	u_int clks = MS(OS_REG_READ(ah, AR_TIME_OUT), AR_TIME_OUT_CTS);
	return ath_hal_mac_usec(ah, clks);	/* convert from system clocks */
}

HAL_BOOL
ar5211SetDecompMask(struct ath_hal *ah, uint16_t keyidx, int en)
{
	/* nothing to do */
        return AH_TRUE;
}

void
ar5211SetCoverageClass(struct ath_hal *ah, uint8_t coverageclass, int now)
{
}

HAL_STATUS
ar5211SetQuiet(struct ath_hal *ah, uint32_t period, uint32_t duration,
    uint32_t next_start, HAL_QUIET_FLAG flags)
{
	return HAL_OK;
}

/*
 * Control Adaptive Noise Immunity Parameters
 */
HAL_BOOL
ar5211AniControl(struct ath_hal *ah, HAL_ANI_CMD cmd, int param)
{
	return AH_FALSE;
}

void
ar5211AniPoll(struct ath_hal *ah, const struct ieee80211_channel *chan)
{
}

void
ar5211RxMonitor(struct ath_hal *ah, const HAL_NODE_STATS *stats,
	const struct ieee80211_channel *chan)
{
}

void
ar5211MibEvent(struct ath_hal *ah, const HAL_NODE_STATS *stats)
{
}

/*
 * Get the rssi of frame curently being received.
 */
uint32_t
ar5211GetCurRssi(struct ath_hal *ah)
{
	return (OS_REG_READ(ah, AR_PHY_CURRENT_RSSI) & 0xff);
}

u_int
ar5211GetDefAntenna(struct ath_hal *ah)
{   
	return (OS_REG_READ(ah, AR_DEF_ANTENNA) & 0x7);
}   

void
ar5211SetDefAntenna(struct ath_hal *ah, u_int antenna)
{
	OS_REG_WRITE(ah, AR_DEF_ANTENNA, (antenna & 0x7));
}

HAL_ANT_SETTING
ar5211GetAntennaSwitch(struct ath_hal *ah)
{
	return AH5211(ah)->ah_diversityControl;
}

HAL_BOOL
ar5211SetAntennaSwitch(struct ath_hal *ah, HAL_ANT_SETTING settings)
{
	const struct ieee80211_channel *chan = AH_PRIVATE(ah)->ah_curchan;

	if (chan == AH_NULL) {
		AH5211(ah)->ah_diversityControl = settings;
		return AH_TRUE;
	}
	return ar5211SetAntennaSwitchInternal(ah, settings, chan);
}

HAL_STATUS
ar5211GetCapability(struct ath_hal *ah, HAL_CAPABILITY_TYPE type,
	uint32_t capability, uint32_t *result)
{

	switch (type) {
	case HAL_CAP_CIPHER:		/* cipher handled in hardware */
		switch (capability) {
		case HAL_CIPHER_AES_OCB:
		case HAL_CIPHER_WEP:
		case HAL_CIPHER_CLR:
			return HAL_OK;
		default:
			return HAL_ENOTSUPP;
		}
	default:
		return ath_hal_getcapability(ah, type, capability, result);
	}
}

HAL_BOOL
ar5211SetCapability(struct ath_hal *ah, HAL_CAPABILITY_TYPE type,
	uint32_t capability, uint32_t setting, HAL_STATUS *status)
{
	switch (type) {
	case HAL_CAP_DIAG:		/* hardware diagnostic support */
		/*
		 * NB: could split this up into virtual capabilities,
		 *     (e.g. 1 => ACK, 2 => CTS, etc.) but it hardly
		 *     seems worth the additional complexity.
		 */
#ifdef AH_DEBUG
		AH_PRIVATE(ah)->ah_diagreg = setting;
#else
		AH_PRIVATE(ah)->ah_diagreg = setting & 0x6;	/* ACK+CTS */
#endif
		OS_REG_WRITE(ah, AR_DIAG_SW, AH_PRIVATE(ah)->ah_diagreg);
		return AH_TRUE;
	default:
		return ath_hal_setcapability(ah, type, capability,
			setting, status);
	}
}

HAL_BOOL
ar5211GetDiagState(struct ath_hal *ah, int request,
	const void *args, uint32_t argsize,
	void **result, uint32_t *resultsize)
{
	struct ath_hal_5211 *ahp = AH5211(ah);

	(void) ahp;
	if (ath_hal_getdiagstate(ah, request, args, argsize, result, resultsize))
		return AH_TRUE;
	switch (request) {
	case HAL_DIAG_EEPROM:
		return ath_hal_eepromDiag(ah, request,
		    args, argsize, result, resultsize);
	case HAL_DIAG_RFGAIN:
		*result = &ahp->ah_gainValues;
		*resultsize = sizeof(GAIN_VALUES);
		return AH_TRUE;
	case HAL_DIAG_RFGAIN_CURSTEP:
		*result = __DECONST(void *, ahp->ah_gainValues.currStep);
		*resultsize = (*result == AH_NULL) ?
			0 : sizeof(GAIN_OPTIMIZATION_STEP);
		return AH_TRUE;
	}
	return AH_FALSE;
}

/*
 * Return what percentage of the extension channel is busy.
 * This is always disabled for AR5211 series NICs.
 */
uint32_t
ar5211Get11nExtBusy(struct ath_hal *ah)
{
	return (0);
}

/*
 * There's no channel survey support for the AR5211.
 */
HAL_BOOL
ar5211GetMibCycleCounts(struct ath_hal *ah, HAL_SURVEY_SAMPLE *hsample)
{

	return (AH_FALSE);
}

void
ar5211SetChainMasks(struct ath_hal *ah, uint32_t txchainmask,
    uint32_t rxchainmask)
{
}

void
ar5211EnableDfs(struct ath_hal *ah, HAL_PHYERR_PARAM *pe)
{
}

void
ar5211GetDfsThresh(struct ath_hal *ah, HAL_PHYERR_PARAM *pe)
{
}