xref: /freebsd/sys/dev/ath/ath_hal/ar5416/ar5416_attach.c (revision c6db8143eda5c775467145ac73e8ebec47afdd8f)
1 /*
2  * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
3  * Copyright (c) 2002-2008 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_devid.h"
24 
25 #include "ah_eeprom_v14.h"
26 
27 #include "ar5416/ar5416.h"
28 #include "ar5416/ar5416reg.h"
29 #include "ar5416/ar5416phy.h"
30 
31 #include "ar5416/ar5416.ini"
32 
33 static void ar5416ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore,
34 		HAL_BOOL power_off);
35 static void ar5416DisablePCIE(struct ath_hal *ah);
36 static void ar5416WriteIni(struct ath_hal *ah,
37 	    const struct ieee80211_channel *chan);
38 static void ar5416SpurMitigate(struct ath_hal *ah,
39 	    const struct ieee80211_channel *chan);
40 
41 static void
42 ar5416AniSetup(struct ath_hal *ah)
43 {
44 	static const struct ar5212AniParams aniparams = {
45 		.maxNoiseImmunityLevel	= 4,	/* levels 0..4 */
46 		.totalSizeDesired	= { -55, -55, -55, -55, -62 },
47 		.coarseHigh		= { -14, -14, -14, -14, -12 },
48 		.coarseLow		= { -64, -64, -64, -64, -70 },
49 		.firpwr			= { -78, -78, -78, -78, -80 },
50 		.maxSpurImmunityLevel	= 7,
51 		.cycPwrThr1		= { 2, 4, 6, 8, 10, 12, 14, 16 },
52 		.maxFirstepLevel	= 2,	/* levels 0..2 */
53 		.firstep		= { 0, 4, 8 },
54 		.ofdmTrigHigh		= 500,
55 		.ofdmTrigLow		= 200,
56 		.cckTrigHigh		= 200,
57 		.cckTrigLow		= 100,
58 		.rssiThrHigh		= 40,
59 		.rssiThrLow		= 7,
60 		.period			= 100,
61 	};
62 	/* NB: disable ANI noise immmunity for reliable RIFS rx */
63 	AH5416(ah)->ah_ani_function &= ~(1 << HAL_ANI_NOISE_IMMUNITY_LEVEL);
64 	ar5416AniAttach(ah, &aniparams, &aniparams, AH_TRUE);
65 }
66 
67 /*
68  * AR5416 doesn't do OLC or temperature compensation.
69  */
70 static void
71 ar5416olcInit(struct ath_hal *ah)
72 {
73 }
74 
75 static void
76 ar5416olcTempCompensation(struct ath_hal *ah)
77 {
78 }
79 
80 /*
81  * Attach for an AR5416 part.
82  */
83 void
84 ar5416InitState(struct ath_hal_5416 *ahp5416, uint16_t devid, HAL_SOFTC sc,
85 	HAL_BUS_TAG st, HAL_BUS_HANDLE sh, HAL_STATUS *status)
86 {
87 	struct ath_hal_5212 *ahp;
88 	struct ath_hal *ah;
89 
90 	ahp = &ahp5416->ah_5212;
91 	ar5212InitState(ahp, devid, sc, st, sh, status);
92 	ah = &ahp->ah_priv.h;
93 
94 	/* override 5212 methods for our needs */
95 	ah->ah_magic			= AR5416_MAGIC;
96 	ah->ah_getRateTable		= ar5416GetRateTable;
97 	ah->ah_detach			= ar5416Detach;
98 
99 	/* Reset functions */
100 	ah->ah_reset			= ar5416Reset;
101 	ah->ah_phyDisable		= ar5416PhyDisable;
102 	ah->ah_disable			= ar5416Disable;
103 	ah->ah_configPCIE		= ar5416ConfigPCIE;
104 	ah->ah_disablePCIE		= ar5416DisablePCIE;
105 	ah->ah_perCalibration		= ar5416PerCalibration;
106 	ah->ah_perCalibrationN		= ar5416PerCalibrationN,
107 	ah->ah_resetCalValid		= ar5416ResetCalValid,
108 	ah->ah_setTxPowerLimit		= ar5416SetTxPowerLimit;
109 	ah->ah_setTxPower		= ar5416SetTransmitPower;
110 	ah->ah_setBoardValues		= ar5416SetBoardValues;
111 
112 	/* Transmit functions */
113 	ah->ah_stopTxDma		= ar5416StopTxDma;
114 	ah->ah_setupTxDesc		= ar5416SetupTxDesc;
115 	ah->ah_setupXTxDesc		= ar5416SetupXTxDesc;
116 	ah->ah_fillTxDesc		= ar5416FillTxDesc;
117 	ah->ah_procTxDesc		= ar5416ProcTxDesc;
118 	ah->ah_getTxCompletionRates	= ar5416GetTxCompletionRates;
119 	ah->ah_setupTxQueue		= ar5416SetupTxQueue;
120 	ah->ah_resetTxQueue		= ar5416ResetTxQueue;
121 
122 	/* Receive Functions */
123 	ah->ah_getRxFilter		= ar5416GetRxFilter;
124 	ah->ah_setRxFilter		= ar5416SetRxFilter;
125 	ah->ah_stopDmaReceive		= ar5416StopDmaReceive;
126 	ah->ah_startPcuReceive		= ar5416StartPcuReceive;
127 	ah->ah_stopPcuReceive		= ar5416StopPcuReceive;
128 	ah->ah_setupRxDesc		= ar5416SetupRxDesc;
129 	ah->ah_procRxDesc		= ar5416ProcRxDesc;
130 	ah->ah_rxMonitor		= ar5416RxMonitor;
131 	ah->ah_aniPoll			= ar5416AniPoll;
132 	ah->ah_procMibEvent		= ar5416ProcessMibIntr;
133 
134 	/* Misc Functions */
135 	ah->ah_getCapability		= ar5416GetCapability;
136 	ah->ah_setCapability		= ar5416SetCapability;
137 	ah->ah_getDiagState		= ar5416GetDiagState;
138 	ah->ah_setLedState		= ar5416SetLedState;
139 	ah->ah_gpioCfgOutput		= ar5416GpioCfgOutput;
140 	ah->ah_gpioCfgInput		= ar5416GpioCfgInput;
141 	ah->ah_gpioGet			= ar5416GpioGet;
142 	ah->ah_gpioSet			= ar5416GpioSet;
143 	ah->ah_gpioSetIntr		= ar5416GpioSetIntr;
144 	ah->ah_getTsf64			= ar5416GetTsf64;
145 	ah->ah_setTsf64			= ar5416SetTsf64;
146 	ah->ah_resetTsf			= ar5416ResetTsf;
147 	ah->ah_getRfGain		= ar5416GetRfgain;
148 	ah->ah_setAntennaSwitch		= ar5416SetAntennaSwitch;
149 	ah->ah_setDecompMask		= ar5416SetDecompMask;
150 	ah->ah_setCoverageClass		= ar5416SetCoverageClass;
151 	ah->ah_setQuiet			= ar5416SetQuiet;
152 	ah->ah_getMibCycleCounts	= ar5416GetMibCycleCounts;
153 	ah->ah_setChainMasks		= ar5416SetChainMasks;
154 
155 	ah->ah_resetKeyCacheEntry	= ar5416ResetKeyCacheEntry;
156 	ah->ah_setKeyCacheEntry		= ar5416SetKeyCacheEntry;
157 
158 	/* DFS Functions */
159 	ah->ah_enableDfs		= ar5416EnableDfs;
160 	ah->ah_getDfsThresh		= ar5416GetDfsThresh;
161 	ah->ah_getDfsDefaultThresh	= ar5416GetDfsDefaultThresh;
162 	ah->ah_procRadarEvent		= ar5416ProcessRadarEvent;
163 	ah->ah_isFastClockEnabled	= ar5416IsFastClockEnabled;
164 
165 	/* Spectral Scan Functions */
166 	ah->ah_spectralConfigure	= ar5416ConfigureSpectralScan;
167 	ah->ah_spectralGetConfig	= ar5416GetSpectralParams;
168 	ah->ah_spectralStart		= ar5416StartSpectralScan;
169 	ah->ah_spectralStop		= ar5416StopSpectralScan;
170 	ah->ah_spectralIsEnabled	= ar5416IsSpectralEnabled;
171 	ah->ah_spectralIsActive		= ar5416IsSpectralActive;
172 
173 	/* Power Management Functions */
174 	ah->ah_setPowerMode		= ar5416SetPowerMode;
175 
176 	/* Beacon Management Functions */
177 	ah->ah_setBeaconTimers		= ar5416SetBeaconTimers;
178 	ah->ah_beaconInit		= ar5416BeaconInit;
179 	ah->ah_setStationBeaconTimers	= ar5416SetStaBeaconTimers;
180 	ah->ah_resetStationBeaconTimers	= ar5416ResetStaBeaconTimers;
181 	ah->ah_getNextTBTT		= ar5416GetNextTBTT;
182 
183 	/* 802.11n Functions */
184 	ah->ah_chainTxDesc		= ar5416ChainTxDesc;
185 	ah->ah_setupFirstTxDesc		= ar5416SetupFirstTxDesc;
186 	ah->ah_setupLastTxDesc		= ar5416SetupLastTxDesc;
187 	ah->ah_set11nRateScenario	= ar5416Set11nRateScenario;
188 	ah->ah_set11nAggrFirst		= ar5416Set11nAggrFirst;
189 	ah->ah_set11nAggrMiddle		= ar5416Set11nAggrMiddle;
190 	ah->ah_set11nAggrLast		= ar5416Set11nAggrLast;
191 	ah->ah_clr11nAggr		= ar5416Clr11nAggr;
192 	ah->ah_set11nBurstDuration	= ar5416Set11nBurstDuration;
193 	ah->ah_get11nExtBusy		= ar5416Get11nExtBusy;
194 	ah->ah_set11nMac2040		= ar5416Set11nMac2040;
195 	ah->ah_get11nRxClear		= ar5416Get11nRxClear;
196 	ah->ah_set11nRxClear		= ar5416Set11nRxClear;
197 	ah->ah_set11nVirtMoreFrag	= ar5416Set11nVirtualMoreFrag;
198 
199 	/* Interrupt functions */
200 	ah->ah_isInterruptPending	= ar5416IsInterruptPending;
201 	ah->ah_getPendingInterrupts	= ar5416GetPendingInterrupts;
202 	ah->ah_setInterrupts		= ar5416SetInterrupts;
203 
204 	/* Bluetooth Coexistence functions */
205 	ah->ah_btCoexSetInfo		= ar5416SetBTCoexInfo;
206 	ah->ah_btCoexSetConfig		= ar5416BTCoexConfig;
207 	ah->ah_btCoexSetQcuThresh	= ar5416BTCoexSetQcuThresh;
208 	ah->ah_btCoexSetWeights		= ar5416BTCoexSetWeights;
209 	ah->ah_btCoexSetBmissThresh	= ar5416BTCoexSetupBmissThresh;
210 	ah->ah_btCoexSetParameter	= ar5416BTCoexSetParameter;
211 	ah->ah_btCoexDisable		= ar5416BTCoexDisable;
212 	ah->ah_btCoexEnable		= ar5416BTCoexEnable;
213 	AH5416(ah)->ah_btCoexSetDiversity = ar5416BTCoexAntennaDiversity;
214 
215 	ahp->ah_priv.ah_getWirelessModes= ar5416GetWirelessModes;
216 	ahp->ah_priv.ah_eepromRead	= ar5416EepromRead;
217 #ifdef AH_SUPPORT_WRITE_EEPROM
218 	ahp->ah_priv.ah_eepromWrite	= ar5416EepromWrite;
219 #endif
220 	ahp->ah_priv.ah_getChipPowerLimits = ar5416GetChipPowerLimits;
221 
222 	/* Internal ops */
223 	AH5416(ah)->ah_writeIni		= ar5416WriteIni;
224 	AH5416(ah)->ah_spurMitigate	= ar5416SpurMitigate;
225 
226 	/* Internal baseband ops */
227 	AH5416(ah)->ah_initPLL		= ar5416InitPLL;
228 
229 	/* Internal calibration ops */
230 	AH5416(ah)->ah_cal_initcal	= ar5416InitCalHardware;
231 
232 	/* Internal TX power control related operations */
233 	AH5416(ah)->ah_olcInit = ar5416olcInit;
234 	AH5416(ah)->ah_olcTempCompensation	= ar5416olcTempCompensation;
235 	AH5416(ah)->ah_setPowerCalTable	= ar5416SetPowerCalTable;
236 
237 	/*
238 	 * Start by setting all Owl devices to 2x2
239 	 */
240 	AH5416(ah)->ah_rx_chainmask = AR5416_DEFAULT_RXCHAINMASK;
241 	AH5416(ah)->ah_tx_chainmask = AR5416_DEFAULT_TXCHAINMASK;
242 
243 	/* Enable all ANI functions to begin with */
244 	AH5416(ah)->ah_ani_function = 0xffffffff;
245 
246 	/* Set overridable ANI methods */
247 	AH5212(ah)->ah_aniControl = ar5416AniControl;
248 
249 	/*
250 	 * Default FIFO Trigger levels
251 	 *
252 	 * These define how filled the TX FIFO needs to be before
253 	 * the baseband begins to be given some data.
254 	 *
255 	 * To be paranoid, we ensure that the TX trigger level always
256 	 * has at least enough space for two TX DMA to occur.
257 	 * The TX DMA size is currently hard-coded to AR_TXCFG_DMASZ_128B.
258 	 * That means we need to leave at least 256 bytes available in
259 	 * the TX DMA FIFO.
260 	 */
261 #define	AR_FTRIG_512B	0x00000080 // 5 bits total
262 	/*
263 	 * AR9285/AR9271 have half the size TX FIFO compared to
264 	 * other devices
265 	 */
266 	if (AR_SREV_KITE(ah) || AR_SREV_9271(ah)) {
267 		AH5212(ah)->ah_txTrigLev = (AR_FTRIG_256B >> AR_FTRIG_S);
268 		AH5212(ah)->ah_maxTxTrigLev = ((2048 / 64) - 1);
269 	} else {
270 		AH5212(ah)->ah_txTrigLev = (AR_FTRIG_512B >> AR_FTRIG_S);
271 		AH5212(ah)->ah_maxTxTrigLev = ((4096 / 64) - 1);
272 	}
273 #undef	AR_FTRIG_512B
274 
275 	/* And now leave some headspace - 256 bytes */
276 	AH5212(ah)->ah_maxTxTrigLev -= 4;
277 }
278 
279 uint32_t
280 ar5416GetRadioRev(struct ath_hal *ah)
281 {
282 	uint32_t val;
283 	int i;
284 
285 	/* Read Radio Chip Rev Extract */
286 	OS_REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
287 	for (i = 0; i < 8; i++)
288 		OS_REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
289 	val = (OS_REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
290 	val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
291 	return ath_hal_reverseBits(val, 8);
292 }
293 
294 /*
295  * Attach for an AR5416 part.
296  */
297 static struct ath_hal *
298 ar5416Attach(uint16_t devid, HAL_SOFTC sc,
299 	HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
300 	HAL_OPS_CONFIG *ah_config, HAL_STATUS *status)
301 {
302 	struct ath_hal_5416 *ahp5416;
303 	struct ath_hal_5212 *ahp;
304 	struct ath_hal *ah;
305 	uint32_t val;
306 	HAL_STATUS ecode;
307 	HAL_BOOL rfStatus;
308 
309 	HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
310 	    __func__, sc, (void*) st, (void*) sh);
311 
312 	/* NB: memory is returned zero'd */
313 	ahp5416 = ath_hal_malloc(sizeof (struct ath_hal_5416) +
314 		/* extra space for Owl 2.1/2.2 WAR */
315 		sizeof(ar5416Addac)
316 	);
317 	if (ahp5416 == AH_NULL) {
318 		HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
319 		    "%s: cannot allocate memory for state block\n", __func__);
320 		*status = HAL_ENOMEM;
321 		return AH_NULL;
322 	}
323 	ar5416InitState(ahp5416, devid, sc, st, sh, status);
324 	ahp = &ahp5416->ah_5212;
325 	ah = &ahp->ah_priv.h;
326 
327 	if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
328 		/* reset chip */
329 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n", __func__);
330 		ecode = HAL_EIO;
331 		goto bad;
332 	}
333 
334 	if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
335 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n", __func__);
336 		ecode = HAL_EIO;
337 		goto bad;
338 	}
339 	/* Read Revisions from Chips before taking out of reset */
340 	val = OS_REG_READ(ah, AR_SREV) & AR_SREV_ID;
341 	AH_PRIVATE(ah)->ah_macVersion = val >> AR_SREV_ID_S;
342 	AH_PRIVATE(ah)->ah_macRev = val & AR_SREV_REVISION;
343 	AH_PRIVATE(ah)->ah_ispcie = (devid == AR5416_DEVID_PCIE);
344 
345 	/* setup common ini data; rf backends handle remainder */
346 	HAL_INI_INIT(&ahp->ah_ini_modes, ar5416Modes, 6);
347 	HAL_INI_INIT(&ahp->ah_ini_common, ar5416Common, 2);
348 
349 	HAL_INI_INIT(&AH5416(ah)->ah_ini_bb_rfgain, ar5416BB_RfGain, 3);
350 	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank0, ar5416Bank0, 2);
351 	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank1, ar5416Bank1, 2);
352 	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank2, ar5416Bank2, 2);
353 	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank3, ar5416Bank3, 3);
354 	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank6, ar5416Bank6, 3);
355 	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank7, ar5416Bank7, 2);
356 	HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar5416Addac, 2);
357 
358 	if (! IS_5416V2_2(ah)) {		/* Owl 2.1/2.0 */
359 		ath_hal_printf(ah, "[ath] Enabling CLKDRV workaround for AR5416 < v2.2\n");
360 		struct ini {
361 			uint32_t	*data;		/* NB: !const */
362 			int		rows, cols;
363 		};
364 		/* override CLKDRV value */
365 		OS_MEMCPY(&AH5416(ah)[1], ar5416Addac, sizeof(ar5416Addac));
366 		AH5416(ah)->ah_ini_addac.data = (uint32_t *) &AH5416(ah)[1];
367 		HAL_INI_VAL((struct ini *)&AH5416(ah)->ah_ini_addac, 31, 1) = 0;
368 	}
369 
370 	HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes, ar5416PciePhy, 2);
371 	ar5416AttachPCIE(ah);
372 
373 	ecode = ath_hal_v14EepromAttach(ah);
374 	if (ecode != HAL_OK)
375 		goto bad;
376 
377 	if (!ar5416ChipReset(ah, AH_NULL)) {	/* reset chip */
378 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n",
379 		    __func__);
380 		ecode = HAL_EIO;
381 		goto bad;
382 	}
383 
384 	AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
385 
386 	if (!ar5212ChipTest(ah)) {
387 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
388 		    __func__);
389 		ecode = HAL_ESELFTEST;
390 		goto bad;
391 	}
392 
393 	/*
394 	 * Set correct Baseband to analog shift
395 	 * setting to access analog chips.
396 	 */
397 	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
398 
399 	/* Read Radio Chip Rev Extract */
400 	AH_PRIVATE(ah)->ah_analog5GhzRev = ar5416GetRadioRev(ah);
401 	switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
402         case AR_RAD5122_SREV_MAJOR:	/* Fowl: 5G/2x2 */
403         case AR_RAD2122_SREV_MAJOR:	/* Fowl: 2+5G/2x2 */
404         case AR_RAD2133_SREV_MAJOR:	/* Fowl: 2G/3x3 */
405 	case AR_RAD5133_SREV_MAJOR:	/* Fowl: 2+5G/3x3 */
406 		break;
407 	default:
408 		if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
409 			/*
410 			 * When RF_Silen is used the analog chip is reset.
411 			 * So when the system boots with radio switch off
412 			 * the RF chip rev reads back as zero and we need
413 			 * to use the mac+phy revs to set the radio rev.
414 			 */
415 			AH_PRIVATE(ah)->ah_analog5GhzRev =
416 				AR_RAD5133_SREV_MAJOR;
417 			break;
418 		}
419 		/* NB: silently accept anything in release code per Atheros */
420 #ifdef AH_DEBUG
421 		HALDEBUG(ah, HAL_DEBUG_ANY,
422 		    "%s: 5G Radio Chip Rev 0x%02X is not supported by "
423 		    "this driver\n", __func__,
424 		    AH_PRIVATE(ah)->ah_analog5GhzRev);
425 		ecode = HAL_ENOTSUPP;
426 		goto bad;
427 #endif
428 	}
429 
430 	/*
431 	 * Got everything we need now to setup the capabilities.
432 	 */
433 	if (!ar5416FillCapabilityInfo(ah)) {
434 		ecode = HAL_EEREAD;
435 		goto bad;
436 	}
437 
438 	ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
439 	if (ecode != HAL_OK) {
440 		HALDEBUG(ah, HAL_DEBUG_ANY,
441 		    "%s: error getting mac address from EEPROM\n", __func__);
442 		goto bad;
443         }
444 	/* XXX How about the serial number ? */
445 	/* Read Reg Domain */
446 	AH_PRIVATE(ah)->ah_currentRD =
447 	    ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
448 	AH_PRIVATE(ah)->ah_currentRDext =
449 	    ath_hal_eepromGet(ah, AR_EEP_REGDMN_1, AH_NULL);
450 
451 	/*
452 	 * ah_miscMode is populated by ar5416FillCapabilityInfo()
453 	 * starting from griffin. Set here to make sure that
454 	 * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
455 	 * placed into hardware.
456 	 */
457 	if (ahp->ah_miscMode != 0)
458 		OS_REG_WRITE(ah, AR_MISC_MODE, OS_REG_READ(ah, AR_MISC_MODE) | ahp->ah_miscMode);
459 
460 	rfStatus = ar2133RfAttach(ah, &ecode);
461 	if (!rfStatus) {
462 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
463 		    __func__, ecode);
464 		goto bad;
465 	}
466 
467 	ar5416AniSetup(ah);			/* Anti Noise Immunity */
468 
469 	AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ;
470 	AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ;
471 	AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_5416_2GHZ;
472 	AH5416(ah)->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ;
473 	AH5416(ah)->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ;
474 	AH5416(ah)->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_5416_5GHZ;
475 
476 	ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
477 
478 	HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
479 
480 	return ah;
481 bad:
482 	if (ahp)
483 		ar5416Detach((struct ath_hal *) ahp);
484 	if (status)
485 		*status = ecode;
486 	return AH_NULL;
487 }
488 
489 void
490 ar5416Detach(struct ath_hal *ah)
491 {
492 	HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s:\n", __func__);
493 
494 	HALASSERT(ah != AH_NULL);
495 	HALASSERT(ah->ah_magic == AR5416_MAGIC);
496 
497 	/* Make sure that chip is awake before writing to it */
498 	if (! ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE))
499 		HALDEBUG(ah, HAL_DEBUG_UNMASKABLE,
500 		    "%s: failed to wake up chip\n",
501 		    __func__);
502 
503 	ar5416AniDetach(ah);
504 	ar5212RfDetach(ah);
505 	ah->ah_disable(ah);
506 	ar5416SetPowerMode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
507 	ath_hal_eepromDetach(ah);
508 	ath_hal_free(ah);
509 }
510 
511 void
512 ar5416AttachPCIE(struct ath_hal *ah)
513 {
514 	if (AH_PRIVATE(ah)->ah_ispcie)
515 		ath_hal_configPCIE(ah, AH_FALSE, AH_FALSE);
516 	else
517 		ath_hal_disablePCIE(ah);
518 }
519 
520 static void
521 ar5416ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore, HAL_BOOL power_off)
522 {
523 
524 	/* This is only applicable for AR5418 (AR5416 PCIe) */
525 	if (! AH_PRIVATE(ah)->ah_ispcie)
526 		return;
527 
528 	if (! restore) {
529 		ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0);
530 		OS_DELAY(1000);
531 	}
532 
533 	if (power_off) {		/* Power-off */
534 		/* clear bit 19 to disable L1 */
535 		OS_REG_CLR_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
536 	} else {			/* Power-on */
537 		/* Set default WAR values for Owl */
538 		OS_REG_WRITE(ah, AR_WA, AR_WA_DEFAULT);
539 
540 		/* set bit 19 to allow forcing of pcie core into L1 state */
541 		OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
542 	}
543 }
544 
545 /*
546  * Disable PCIe PHY if PCIe isn't used.
547  */
548 static void
549 ar5416DisablePCIE(struct ath_hal *ah)
550 {
551 
552 	/* PCIe? Don't */
553 	if (AH_PRIVATE(ah)->ah_ispcie)
554 		return;
555 
556 	/* .. Only applicable for AR5416v2 or later */
557 	if (! (AR_SREV_OWL(ah) && AR_SREV_OWL_20_OR_LATER(ah)))
558 		return;
559 
560 	OS_REG_WRITE_BUFFER_ENABLE(ah);
561 
562 	/*
563 	 * Disable the PCIe PHY.
564 	 */
565 	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
566 	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
567 	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x28000029);
568 	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x57160824);
569 	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x25980579);
570 	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x00000000);
571 	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
572 	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
573 	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x000e1007);
574 
575 	/* Load the new settings */
576 	OS_REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
577 
578 	OS_REG_WRITE_BUFFER_FLUSH(ah);
579 	OS_REG_WRITE_BUFFER_DISABLE(ah);
580 }
581 
582 static void
583 ar5416WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan)
584 {
585 	u_int modesIndex, freqIndex;
586 	int regWrites = 0;
587 
588 	/* Setup the indices for the next set of register array writes */
589 	/* XXX Ignore 11n dynamic mode on the AR5416 for the moment */
590 	if (IEEE80211_IS_CHAN_2GHZ(chan)) {
591 		freqIndex = 2;
592 		if (IEEE80211_IS_CHAN_HT40(chan))
593 			modesIndex = 3;
594 		else if (IEEE80211_IS_CHAN_108G(chan))
595 			modesIndex = 5;
596 		else
597 			modesIndex = 4;
598 	} else {
599 		freqIndex = 1;
600 		if (IEEE80211_IS_CHAN_HT40(chan) ||
601 		    IEEE80211_IS_CHAN_TURBO(chan))
602 			modesIndex = 2;
603 		else
604 			modesIndex = 1;
605 	}
606 
607 	/* Set correct Baseband to analog shift setting to access analog chips. */
608 	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
609 
610 	/*
611 	 * Write addac shifts
612 	 */
613 	OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
614 
615 	/* NB: only required for Sowl */
616 	if (AR_SREV_SOWL(ah))
617 		ar5416EepromSetAddac(ah, chan);
618 
619 	regWrites = ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_addac, 1,
620 	    regWrites);
621 	OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
622 
623 	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes,
624 	    modesIndex, regWrites);
625 	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common,
626 	    1, regWrites);
627 
628 	/* XXX updated regWrites? */
629 	AH5212(ah)->ah_rfHal->writeRegs(ah, modesIndex, freqIndex, regWrites);
630 }
631 
632 /*
633  * Convert to baseband spur frequency given input channel frequency
634  * and compute register settings below.
635  */
636 
637 static void
638 ar5416SpurMitigate(struct ath_hal *ah, const struct ieee80211_channel *chan)
639 {
640     uint16_t freq = ath_hal_gethwchannel(ah, chan);
641     static const int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
642                 AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60 };
643     static const int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
644                 AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60 };
645     static const int inc[4] = { 0, 100, 0, 0 };
646 
647     int bb_spur = AR_NO_SPUR;
648     int bin, cur_bin;
649     int spur_freq_sd;
650     int spur_delta_phase;
651     int denominator;
652     int upper, lower, cur_vit_mask;
653     int tmp, new;
654     int i;
655 
656     int8_t mask_m[123];
657     int8_t mask_p[123];
658     int8_t mask_amt;
659     int tmp_mask;
660     int cur_bb_spur;
661     HAL_BOOL is2GHz = IEEE80211_IS_CHAN_2GHZ(chan);
662 
663     OS_MEMZERO(mask_m, sizeof(mask_m));
664     OS_MEMZERO(mask_p, sizeof(mask_p));
665 
666     /*
667      * Need to verify range +/- 9.5 for static ht20, otherwise spur
668      * is out-of-band and can be ignored.
669      */
670     /* XXX ath9k changes */
671     for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) {
672         cur_bb_spur = ath_hal_getSpurChan(ah, i, is2GHz);
673         if (AR_NO_SPUR == cur_bb_spur)
674             break;
675         cur_bb_spur = cur_bb_spur - (freq * 10);
676         if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
677             bb_spur = cur_bb_spur;
678             break;
679         }
680     }
681     if (AR_NO_SPUR == bb_spur)
682         return;
683 
684     bin = bb_spur * 32;
685 
686     tmp = OS_REG_READ(ah, AR_PHY_TIMING_CTRL4_CHAIN(0));
687     new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
688         AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
689         AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
690         AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
691 
692     OS_REG_WRITE_BUFFER_ENABLE(ah);
693 
694     OS_REG_WRITE(ah, AR_PHY_TIMING_CTRL4_CHAIN(0), new);
695 
696     new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
697         AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
698         AR_PHY_SPUR_REG_MASK_RATE_SELECT |
699         AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
700         SM(AR5416_SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
701     OS_REG_WRITE(ah, AR_PHY_SPUR_REG, new);
702     /*
703      * Should offset bb_spur by +/- 10 MHz for dynamic 2040 MHz
704      * config, no offset for HT20.
705      * spur_delta_phase = bb_spur/40 * 2**21 for static ht20,
706      * /80 for dyn2040.
707      */
708     spur_delta_phase = ((bb_spur * 524288) / 100) &
709         AR_PHY_TIMING11_SPUR_DELTA_PHASE;
710     /*
711      * in 11A mode the denominator of spur_freq_sd should be 40 and
712      * it should be 44 in 11G
713      */
714     denominator = IEEE80211_IS_CHAN_2GHZ(chan) ? 440 : 400;
715     spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
716 
717     new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
718         SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
719         SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
720     OS_REG_WRITE(ah, AR_PHY_TIMING11, new);
721 
722 
723     /*
724      * ============================================
725      * pilot mask 1 [31:0] = +6..-26, no 0 bin
726      * pilot mask 2 [19:0] = +26..+7
727      *
728      * channel mask 1 [31:0] = +6..-26, no 0 bin
729      * channel mask 2 [19:0] = +26..+7
730      */
731     //cur_bin = -26;
732     cur_bin = -6000;
733     upper = bin + 100;
734     lower = bin - 100;
735 
736     for (i = 0; i < 4; i++) {
737         int pilot_mask = 0;
738         int chan_mask  = 0;
739         int bp         = 0;
740         for (bp = 0; bp < 30; bp++) {
741             if ((cur_bin > lower) && (cur_bin < upper)) {
742                 pilot_mask = pilot_mask | 0x1 << bp;
743                 chan_mask  = chan_mask | 0x1 << bp;
744             }
745             cur_bin += 100;
746         }
747         cur_bin += inc[i];
748         OS_REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
749         OS_REG_WRITE(ah, chan_mask_reg[i], chan_mask);
750     }
751 
752     /* =================================================
753      * viterbi mask 1 based on channel magnitude
754      * four levels 0-3
755      *  - mask (-27 to 27) (reg 64,0x9900 to 67,0x990c)
756      *      [1 2 2 1] for -9.6 or [1 2 1] for +16
757      *  - enable_mask_ppm, all bins move with freq
758      *
759      *  - mask_select,    8 bits for rates (reg 67,0x990c)
760      *  - mask_rate_cntl, 8 bits for rates (reg 67,0x990c)
761      *      choose which mask to use mask or mask2
762      */
763 
764     /*
765      * viterbi mask 2  2nd set for per data rate puncturing
766      * four levels 0-3
767      *  - mask_select, 8 bits for rates (reg 67)
768      *  - mask (-27 to 27) (reg 98,0x9988 to 101,0x9994)
769      *      [1 2 2 1] for -9.6 or [1 2 1] for +16
770      */
771     cur_vit_mask = 6100;
772     upper        = bin + 120;
773     lower        = bin - 120;
774 
775     for (i = 0; i < 123; i++) {
776         if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
777             if ((abs(cur_vit_mask - bin)) < 75) {
778                 mask_amt = 1;
779             } else {
780                 mask_amt = 0;
781             }
782             if (cur_vit_mask < 0) {
783                 mask_m[abs(cur_vit_mask / 100)] = mask_amt;
784             } else {
785                 mask_p[cur_vit_mask / 100] = mask_amt;
786             }
787         }
788         cur_vit_mask -= 100;
789     }
790 
791     tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
792           | (mask_m[48] << 26) | (mask_m[49] << 24)
793           | (mask_m[50] << 22) | (mask_m[51] << 20)
794           | (mask_m[52] << 18) | (mask_m[53] << 16)
795           | (mask_m[54] << 14) | (mask_m[55] << 12)
796           | (mask_m[56] << 10) | (mask_m[57] <<  8)
797           | (mask_m[58] <<  6) | (mask_m[59] <<  4)
798           | (mask_m[60] <<  2) | (mask_m[61] <<  0);
799     OS_REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
800     OS_REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
801 
802     tmp_mask =             (mask_m[31] << 28)
803           | (mask_m[32] << 26) | (mask_m[33] << 24)
804           | (mask_m[34] << 22) | (mask_m[35] << 20)
805           | (mask_m[36] << 18) | (mask_m[37] << 16)
806           | (mask_m[48] << 14) | (mask_m[39] << 12)
807           | (mask_m[40] << 10) | (mask_m[41] <<  8)
808           | (mask_m[42] <<  6) | (mask_m[43] <<  4)
809           | (mask_m[44] <<  2) | (mask_m[45] <<  0);
810     OS_REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
811     OS_REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
812 
813     tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
814           | (mask_m[18] << 26) | (mask_m[18] << 24)
815           | (mask_m[20] << 22) | (mask_m[20] << 20)
816           | (mask_m[22] << 18) | (mask_m[22] << 16)
817           | (mask_m[24] << 14) | (mask_m[24] << 12)
818           | (mask_m[25] << 10) | (mask_m[26] <<  8)
819           | (mask_m[27] <<  6) | (mask_m[28] <<  4)
820           | (mask_m[29] <<  2) | (mask_m[30] <<  0);
821     OS_REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
822     OS_REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
823 
824     tmp_mask = (mask_m[ 0] << 30) | (mask_m[ 1] << 28)
825           | (mask_m[ 2] << 26) | (mask_m[ 3] << 24)
826           | (mask_m[ 4] << 22) | (mask_m[ 5] << 20)
827           | (mask_m[ 6] << 18) | (mask_m[ 7] << 16)
828           | (mask_m[ 8] << 14) | (mask_m[ 9] << 12)
829           | (mask_m[10] << 10) | (mask_m[11] <<  8)
830           | (mask_m[12] <<  6) | (mask_m[13] <<  4)
831           | (mask_m[14] <<  2) | (mask_m[15] <<  0);
832     OS_REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
833     OS_REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
834 
835     tmp_mask =             (mask_p[15] << 28)
836           | (mask_p[14] << 26) | (mask_p[13] << 24)
837           | (mask_p[12] << 22) | (mask_p[11] << 20)
838           | (mask_p[10] << 18) | (mask_p[ 9] << 16)
839           | (mask_p[ 8] << 14) | (mask_p[ 7] << 12)
840           | (mask_p[ 6] << 10) | (mask_p[ 5] <<  8)
841           | (mask_p[ 4] <<  6) | (mask_p[ 3] <<  4)
842           | (mask_p[ 2] <<  2) | (mask_p[ 1] <<  0);
843     OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
844     OS_REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
845 
846     tmp_mask =             (mask_p[30] << 28)
847           | (mask_p[29] << 26) | (mask_p[28] << 24)
848           | (mask_p[27] << 22) | (mask_p[26] << 20)
849           | (mask_p[25] << 18) | (mask_p[24] << 16)
850           | (mask_p[23] << 14) | (mask_p[22] << 12)
851           | (mask_p[21] << 10) | (mask_p[20] <<  8)
852           | (mask_p[19] <<  6) | (mask_p[18] <<  4)
853           | (mask_p[17] <<  2) | (mask_p[16] <<  0);
854     OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
855     OS_REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
856 
857     tmp_mask =             (mask_p[45] << 28)
858           | (mask_p[44] << 26) | (mask_p[43] << 24)
859           | (mask_p[42] << 22) | (mask_p[41] << 20)
860           | (mask_p[40] << 18) | (mask_p[39] << 16)
861           | (mask_p[38] << 14) | (mask_p[37] << 12)
862           | (mask_p[36] << 10) | (mask_p[35] <<  8)
863           | (mask_p[34] <<  6) | (mask_p[33] <<  4)
864           | (mask_p[32] <<  2) | (mask_p[31] <<  0);
865     OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
866     OS_REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
867 
868     tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
869           | (mask_p[59] << 26) | (mask_p[58] << 24)
870           | (mask_p[57] << 22) | (mask_p[56] << 20)
871           | (mask_p[55] << 18) | (mask_p[54] << 16)
872           | (mask_p[53] << 14) | (mask_p[52] << 12)
873           | (mask_p[51] << 10) | (mask_p[50] <<  8)
874           | (mask_p[49] <<  6) | (mask_p[48] <<  4)
875           | (mask_p[47] <<  2) | (mask_p[46] <<  0);
876     OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
877     OS_REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
878 
879     OS_REG_WRITE_BUFFER_FLUSH(ah);
880     OS_REG_WRITE_BUFFER_DISABLE(ah);
881 }
882 
883 /*
884  * Fill all software cached or static hardware state information.
885  * Return failure if capabilities are to come from EEPROM and
886  * cannot be read.
887  */
888 HAL_BOOL
889 ar5416FillCapabilityInfo(struct ath_hal *ah)
890 {
891 	struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
892 	HAL_CAPABILITIES *pCap = &ahpriv->ah_caps;
893 	uint16_t val;
894 
895 	/* Construct wireless mode from EEPROM */
896 	pCap->halWirelessModes = 0;
897 	if (ath_hal_eepromGetFlag(ah, AR_EEP_AMODE)) {
898 		pCap->halWirelessModes |= HAL_MODE_11A
899 				       |  HAL_MODE_11NA_HT20
900 				       |  HAL_MODE_11NA_HT40PLUS
901 				       |  HAL_MODE_11NA_HT40MINUS
902 				       ;
903 	}
904 	if (ath_hal_eepromGetFlag(ah, AR_EEP_GMODE)) {
905 		pCap->halWirelessModes |= HAL_MODE_11G
906 				       |  HAL_MODE_11NG_HT20
907 				       |  HAL_MODE_11NG_HT40PLUS
908 				       |  HAL_MODE_11NG_HT40MINUS
909 				       ;
910 		pCap->halWirelessModes |= HAL_MODE_11A
911 				       |  HAL_MODE_11NA_HT20
912 				       |  HAL_MODE_11NA_HT40PLUS
913 				       |  HAL_MODE_11NA_HT40MINUS
914 				       ;
915 	}
916 
917 	pCap->halLow2GhzChan = 2312;
918 	pCap->halHigh2GhzChan = 2732;
919 
920 	pCap->halLow5GhzChan = 4915;
921 	pCap->halHigh5GhzChan = 6100;
922 
923 	pCap->halCipherCkipSupport = AH_FALSE;
924 	pCap->halCipherTkipSupport = AH_TRUE;
925 	pCap->halCipherAesCcmSupport = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
926 
927 	pCap->halMicCkipSupport    = AH_FALSE;
928 	pCap->halMicTkipSupport    = AH_TRUE;
929 	pCap->halMicAesCcmSupport  = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
930 	/*
931 	 * Starting with Griffin TX+RX mic keys can be combined
932 	 * in one key cache slot.
933 	 */
934 	pCap->halTkipMicTxRxKeySupport = AH_TRUE;
935 	pCap->halChanSpreadSupport = AH_TRUE;
936 	pCap->halSleepAfterBeaconBroken = AH_TRUE;
937 
938 	pCap->halCompressSupport = AH_FALSE;
939 	pCap->halBurstSupport = AH_TRUE;
940 	/*
941 	 * This is disabled for now; the net80211 layer needs to be
942 	 * taught when it is and isn't appropriate to enable FF processing
943 	 * with 802.11n NICs (it tries to enable both A-MPDU and
944 	 * fast frames, with very tragic crash-y results.)
945 	 */
946 	pCap->halFastFramesSupport = AH_FALSE;
947 	pCap->halChapTuningSupport = AH_TRUE;
948 	pCap->halTurboPrimeSupport = AH_TRUE;
949 
950 	pCap->halTurboGSupport = pCap->halWirelessModes & HAL_MODE_108G;
951 
952 	pCap->halPSPollBroken = AH_TRUE;	/* XXX fixed in later revs? */
953 	pCap->halNumMRRetries = 4;		/* Hardware supports 4 MRR */
954 	pCap->halNumTxMaps = 1;			/* Single TX ptr per descr */
955 	pCap->halVEOLSupport = AH_TRUE;
956 	pCap->halBssIdMaskSupport = AH_TRUE;
957 	pCap->halMcastKeySrchSupport = AH_TRUE;	/* Works on AR5416 and later */
958 	pCap->halTsfAddSupport = AH_TRUE;
959 	pCap->hal4AddrAggrSupport = AH_FALSE;	/* Broken in Owl */
960 	pCap->halSpectralScanSupport = AH_FALSE;	/* AR9280 and later */
961 
962 	if (ath_hal_eepromGet(ah, AR_EEP_MAXQCU, &val) == HAL_OK)
963 		pCap->halTotalQueues = val;
964 	else
965 		pCap->halTotalQueues = HAL_NUM_TX_QUEUES;
966 
967 	if (ath_hal_eepromGet(ah, AR_EEP_KCENTRIES, &val) == HAL_OK)
968 		pCap->halKeyCacheSize = val;
969 	else
970 		pCap->halKeyCacheSize = AR5416_KEYTABLE_SIZE;
971 
972 	/* XXX Which chips? */
973 	pCap->halChanHalfRate = AH_TRUE;
974 	pCap->halChanQuarterRate = AH_TRUE;
975 
976 	pCap->halTstampPrecision = 32;
977 	pCap->halHwPhyCounterSupport = AH_TRUE;
978 	pCap->halIntrMask = HAL_INT_COMMON
979 			| HAL_INT_RX
980 			| HAL_INT_TX
981 			| HAL_INT_FATAL
982 			| HAL_INT_BNR
983 			| HAL_INT_BMISC
984 			| HAL_INT_DTIMSYNC
985 			| HAL_INT_TSFOOR
986 			| HAL_INT_CST
987 			| HAL_INT_GTT
988 			;
989 
990 	pCap->halFastCCSupport = AH_TRUE;
991 	pCap->halNumGpioPins = 14;
992 	pCap->halWowSupport = AH_FALSE;
993 	pCap->halWowMatchPatternExact = AH_FALSE;
994 	pCap->halBtCoexSupport = AH_FALSE;	/* XXX need support */
995 	pCap->halAutoSleepSupport = AH_FALSE;
996 	pCap->hal4kbSplitTransSupport = AH_TRUE;
997 	/* Disable this so Block-ACK works correctly */
998 	pCap->halHasRxSelfLinkedTail = AH_FALSE;
999 #if 0	/* XXX not yet */
1000 	pCap->halNumAntCfg2GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_2GHZ);
1001 	pCap->halNumAntCfg5GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_5GHZ);
1002 #endif
1003 	pCap->halHTSupport = AH_TRUE;
1004 	pCap->halTxChainMask = ath_hal_eepromGet(ah, AR_EEP_TXMASK, AH_NULL);
1005 	/* XXX CB71 uses GPIO 0 to indicate 3 rx chains */
1006 	pCap->halRxChainMask = ath_hal_eepromGet(ah, AR_EEP_RXMASK, AH_NULL);
1007 	/* AR5416 may have 3 antennas but is a 2x2 stream device */
1008 	pCap->halTxStreams = 2;
1009 	pCap->halRxStreams = 2;
1010 
1011 	/*
1012 	 * If the TX or RX chainmask has less than 2 chains active,
1013 	 * mark it as a 1-stream device for the relevant stream.
1014 	 */
1015 	if (owl_get_ntxchains(pCap->halTxChainMask) == 1)
1016 		pCap->halTxStreams = 1;
1017 	/* XXX Eww */
1018 	if (owl_get_ntxchains(pCap->halRxChainMask) == 1)
1019 		pCap->halRxStreams = 1;
1020 	pCap->halRtsAggrLimit = 8*1024;		/* Owl 2.0 limit */
1021 	pCap->halMbssidAggrSupport = AH_FALSE;	/* Broken on Owl */
1022 	pCap->halForcePpmSupport = AH_TRUE;
1023 	pCap->halEnhancedPmSupport = AH_TRUE;
1024 	pCap->halBssidMatchSupport = AH_TRUE;
1025 	pCap->halGTTSupport = AH_TRUE;
1026 	pCap->halCSTSupport = AH_TRUE;
1027 	pCap->halEnhancedDfsSupport = AH_FALSE;
1028 	/* Hardware supports 32 bit TSF values in the RX descriptor */
1029 	pCap->halHasLongRxDescTsf = AH_TRUE;
1030 	/*
1031 	 * BB Read WAR: this is only for AR5008/AR9001 NICs
1032 	 * It is also set individually in the AR91xx attach functions.
1033 	 */
1034 	if (AR_SREV_OWL(ah))
1035 		pCap->halHasBBReadWar = AH_TRUE;
1036 
1037 	if (ath_hal_eepromGetFlag(ah, AR_EEP_RFKILL) &&
1038 	    ath_hal_eepromGet(ah, AR_EEP_RFSILENT, &ahpriv->ah_rfsilent) == HAL_OK) {
1039 		/* NB: enabled by default */
1040 		ahpriv->ah_rfkillEnabled = AH_TRUE;
1041 		pCap->halRfSilentSupport = AH_TRUE;
1042 	}
1043 
1044 	/*
1045 	 * The MAC will mark frames as RXed if there's a descriptor
1046 	 * to write them to. So if it hits a self-linked final descriptor,
1047 	 * it'll keep ACKing frames even though they're being silently
1048 	 * dropped. Thus, this particular feature of the driver can't
1049 	 * be used for 802.11n devices.
1050 	 */
1051 	ahpriv->ah_rxornIsFatal = AH_FALSE;
1052 
1053 	/*
1054 	 * If it's a PCI NIC, ask the HAL OS layer to serialise
1055 	 * register access, or SMP machines may cause the hardware
1056 	 * to hang. This is applicable to AR5416 and AR9220; I'm not
1057 	 * sure about AR9160 or AR9227.
1058 	 */
1059 	if (! AH_PRIVATE(ah)->ah_ispcie)
1060 		pCap->halSerialiseRegWar = 1;
1061 
1062 	/*
1063 	 * AR5416 and later NICs support MYBEACON filtering.
1064 	 */
1065 	pCap->halRxDoMyBeacon = AH_TRUE;
1066 
1067 	return AH_TRUE;
1068 }
1069 
1070 static const char*
1071 ar5416Probe(uint16_t vendorid, uint16_t devid)
1072 {
1073 	if (vendorid == ATHEROS_VENDOR_ID) {
1074 		if (devid == AR5416_DEVID_PCI)
1075 			return "Atheros 5416";
1076 		if (devid == AR5416_DEVID_PCIE)
1077 			return "Atheros 5418";
1078 	}
1079 	return AH_NULL;
1080 }
1081 AH_CHIP(AR5416, ar5416Probe, ar5416Attach);
1082