ar5416_attach.c revision 247033
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: head/sys/dev/ath/ath_hal/ar5416/ar5416_attach.c 247033 2013-02-20 12:14:49Z adrian $
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
33static void ar5416ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore,
34		HAL_BOOL power_off);
35static void ar5416DisablePCIE(struct ath_hal *ah);
36static void ar5416WriteIni(struct ath_hal *ah,
37	    const struct ieee80211_channel *chan);
38static void ar5416SpurMitigate(struct ath_hal *ah,
39	    const struct ieee80211_channel *chan);
40
41static void
42ar5416AniSetup(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 */
70static void
71ar5416olcInit(struct ath_hal *ah)
72{
73}
74
75static void
76ar5416olcTempCompensation(struct ath_hal *ah)
77{
78}
79
80/*
81 * Attach for an AR5416 part.
82 */
83void
84ar5416InitState(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
154	ah->ah_resetKeyCacheEntry	= ar5416ResetKeyCacheEntry;
155	ah->ah_setKeyCacheEntry		= ar5416SetKeyCacheEntry;
156
157	/* DFS Functions */
158	ah->ah_enableDfs		= ar5416EnableDfs;
159	ah->ah_getDfsThresh		= ar5416GetDfsThresh;
160	ah->ah_getDfsDefaultThresh	= ar5416GetDfsDefaultThresh;
161	ah->ah_procRadarEvent		= ar5416ProcessRadarEvent;
162	ah->ah_isFastClockEnabled	= ar5416IsFastClockEnabled;
163
164	/* Spectral Scan Functions */
165	ah->ah_spectralConfigure	= ar5416ConfigureSpectralScan;
166	ah->ah_spectralGetConfig	= ar5416GetSpectralParams;
167	ah->ah_spectralStart		= ar5416StartSpectralScan;
168	ah->ah_spectralStop		= ar5416StopSpectralScan;
169	ah->ah_spectralIsEnabled	= ar5416IsSpectralEnabled;
170	ah->ah_spectralIsActive		= ar5416IsSpectralActive;
171
172	/* Power Management Functions */
173	ah->ah_setPowerMode		= ar5416SetPowerMode;
174
175	/* Beacon Management Functions */
176	ah->ah_setBeaconTimers		= ar5416SetBeaconTimers;
177	ah->ah_beaconInit		= ar5416BeaconInit;
178	ah->ah_setStationBeaconTimers	= ar5416SetStaBeaconTimers;
179	ah->ah_resetStationBeaconTimers	= ar5416ResetStaBeaconTimers;
180	ah->ah_getNextTBTT		= ar5416GetNextTBTT;
181
182	/* 802.11n Functions */
183	ah->ah_chainTxDesc		= ar5416ChainTxDesc;
184	ah->ah_setupFirstTxDesc		= ar5416SetupFirstTxDesc;
185	ah->ah_setupLastTxDesc		= ar5416SetupLastTxDesc;
186	ah->ah_set11nRateScenario	= ar5416Set11nRateScenario;
187	ah->ah_set11nAggrFirst		= ar5416Set11nAggrFirst;
188	ah->ah_set11nAggrMiddle		= ar5416Set11nAggrMiddle;
189	ah->ah_set11nAggrLast		= ar5416Set11nAggrLast;
190	ah->ah_clr11nAggr		= ar5416Clr11nAggr;
191	ah->ah_set11nBurstDuration	= ar5416Set11nBurstDuration;
192	ah->ah_get11nExtBusy		= ar5416Get11nExtBusy;
193	ah->ah_set11nMac2040		= ar5416Set11nMac2040;
194	ah->ah_get11nRxClear		= ar5416Get11nRxClear;
195	ah->ah_set11nRxClear		= ar5416Set11nRxClear;
196
197	/* Interrupt functions */
198	ah->ah_isInterruptPending	= ar5416IsInterruptPending;
199	ah->ah_getPendingInterrupts	= ar5416GetPendingInterrupts;
200	ah->ah_setInterrupts		= ar5416SetInterrupts;
201
202	/* Bluetooth Coexistence functions */
203	ah->ah_btCoexSetInfo		= ar5416SetBTCoexInfo;
204	ah->ah_btCoexSetConfig		= ar5416BTCoexConfig;
205	ah->ah_btCoexSetQcuThresh	= ar5416BTCoexSetQcuThresh;
206	ah->ah_btCoexSetWeights		= ar5416BTCoexSetWeights;
207	ah->ah_btCoexSetBmissThresh	= ar5416BTCoexSetupBmissThresh;
208	ah->ah_btcoexSetParameter	= ar5416BTCoexSetParameter;
209	ah->ah_btCoexDisable		= ar5416BTCoexDisable;
210	ah->ah_btCoexEnable		= ar5416BTCoexEnable;
211	AH5416(ah)->ah_btCoexSetDiversity = ar5416BTCoexAntennaDiversity;
212
213	ahp->ah_priv.ah_getWirelessModes= ar5416GetWirelessModes;
214	ahp->ah_priv.ah_eepromRead	= ar5416EepromRead;
215#ifdef AH_SUPPORT_WRITE_EEPROM
216	ahp->ah_priv.ah_eepromWrite	= ar5416EepromWrite;
217#endif
218	ahp->ah_priv.ah_getChipPowerLimits = ar5416GetChipPowerLimits;
219
220	/* Internal ops */
221	AH5416(ah)->ah_writeIni		= ar5416WriteIni;
222	AH5416(ah)->ah_spurMitigate	= ar5416SpurMitigate;
223
224	/* Internal baseband ops */
225	AH5416(ah)->ah_initPLL		= ar5416InitPLL;
226
227	/* Internal calibration ops */
228	AH5416(ah)->ah_cal_initcal	= ar5416InitCalHardware;
229
230	/* Internal TX power control related operations */
231	AH5416(ah)->ah_olcInit = ar5416olcInit;
232	AH5416(ah)->ah_olcTempCompensation	= ar5416olcTempCompensation;
233	AH5416(ah)->ah_setPowerCalTable	= ar5416SetPowerCalTable;
234
235	/*
236	 * Start by setting all Owl devices to 2x2
237	 */
238	AH5416(ah)->ah_rx_chainmask = AR5416_DEFAULT_RXCHAINMASK;
239	AH5416(ah)->ah_tx_chainmask = AR5416_DEFAULT_TXCHAINMASK;
240
241	/* Enable all ANI functions to begin with */
242	AH5416(ah)->ah_ani_function = 0xffffffff;
243
244	/* Set overridable ANI methods */
245	AH5212(ah)->ah_aniControl = ar5416AniControl;
246
247	/* Default FIFO Trigger levels */
248#define	AR_FTRIG_512B	0x00000080 // 5 bits total
249	/* AR9285/AR9271 need to use half the TX FIFOs */
250	if (AR_SREV_KITE(ah) || AR_SREV_9271(ah)) {
251		AH5212(ah)->ah_txTrigLev = (AR_FTRIG_256B >> AR_FTRIG_S);
252		AH5212(ah)->ah_maxTxTrigLev = ((2048 / 64) - 1);
253	} else {
254		AH5212(ah)->ah_txTrigLev = (AR_FTRIG_512B >> AR_FTRIG_S);
255		AH5212(ah)->ah_maxTxTrigLev = ((4096 / 64) - 1);
256	}
257	ath_hal_printf(ah, "%s: trigLev=%d, maxTxTrigLev=%d\n",
258	    __func__,
259	    AH5212(ah)->ah_txTrigLev,
260	    AH5212(ah)->ah_maxTxTrigLev);
261#undef	AR_FTRIG_512B
262}
263
264uint32_t
265ar5416GetRadioRev(struct ath_hal *ah)
266{
267	uint32_t val;
268	int i;
269
270	/* Read Radio Chip Rev Extract */
271	OS_REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
272	for (i = 0; i < 8; i++)
273		OS_REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
274	val = (OS_REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
275	val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
276	return ath_hal_reverseBits(val, 8);
277}
278
279/*
280 * Attach for an AR5416 part.
281 */
282static struct ath_hal *
283ar5416Attach(uint16_t devid, HAL_SOFTC sc,
284	HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
285	HAL_STATUS *status)
286{
287	struct ath_hal_5416 *ahp5416;
288	struct ath_hal_5212 *ahp;
289	struct ath_hal *ah;
290	uint32_t val;
291	HAL_STATUS ecode;
292	HAL_BOOL rfStatus;
293
294	HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
295	    __func__, sc, (void*) st, (void*) sh);
296
297	/* NB: memory is returned zero'd */
298	ahp5416 = ath_hal_malloc(sizeof (struct ath_hal_5416) +
299		/* extra space for Owl 2.1/2.2 WAR */
300		sizeof(ar5416Addac)
301	);
302	if (ahp5416 == AH_NULL) {
303		HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
304		    "%s: cannot allocate memory for state block\n", __func__);
305		*status = HAL_ENOMEM;
306		return AH_NULL;
307	}
308	ar5416InitState(ahp5416, devid, sc, st, sh, status);
309	ahp = &ahp5416->ah_5212;
310	ah = &ahp->ah_priv.h;
311
312	if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
313		/* reset chip */
314		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n", __func__);
315		ecode = HAL_EIO;
316		goto bad;
317	}
318
319	if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
320		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n", __func__);
321		ecode = HAL_EIO;
322		goto bad;
323	}
324	/* Read Revisions from Chips before taking out of reset */
325	val = OS_REG_READ(ah, AR_SREV) & AR_SREV_ID;
326	AH_PRIVATE(ah)->ah_macVersion = val >> AR_SREV_ID_S;
327	AH_PRIVATE(ah)->ah_macRev = val & AR_SREV_REVISION;
328	AH_PRIVATE(ah)->ah_ispcie = (devid == AR5416_DEVID_PCIE);
329
330	/* setup common ini data; rf backends handle remainder */
331	HAL_INI_INIT(&ahp->ah_ini_modes, ar5416Modes, 6);
332	HAL_INI_INIT(&ahp->ah_ini_common, ar5416Common, 2);
333
334	HAL_INI_INIT(&AH5416(ah)->ah_ini_bb_rfgain, ar5416BB_RfGain, 3);
335	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank0, ar5416Bank0, 2);
336	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank1, ar5416Bank1, 2);
337	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank2, ar5416Bank2, 2);
338	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank3, ar5416Bank3, 3);
339	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank6, ar5416Bank6, 3);
340	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank7, ar5416Bank7, 2);
341	HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar5416Addac, 2);
342
343	if (! IS_5416V2_2(ah)) {		/* Owl 2.1/2.0 */
344		ath_hal_printf(ah, "[ath] Enabling CLKDRV workaround for AR5416 < v2.2\n");
345		struct ini {
346			uint32_t	*data;		/* NB: !const */
347			int		rows, cols;
348		};
349		/* override CLKDRV value */
350		OS_MEMCPY(&AH5416(ah)[1], ar5416Addac, sizeof(ar5416Addac));
351		AH5416(ah)->ah_ini_addac.data = (uint32_t *) &AH5416(ah)[1];
352		HAL_INI_VAL((struct ini *)&AH5416(ah)->ah_ini_addac, 31, 1) = 0;
353	}
354
355	HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes, ar5416PciePhy, 2);
356	ar5416AttachPCIE(ah);
357
358	ecode = ath_hal_v14EepromAttach(ah);
359	if (ecode != HAL_OK)
360		goto bad;
361
362	if (!ar5416ChipReset(ah, AH_NULL)) {	/* reset chip */
363		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n",
364		    __func__);
365		ecode = HAL_EIO;
366		goto bad;
367	}
368
369	AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
370
371	if (!ar5212ChipTest(ah)) {
372		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
373		    __func__);
374		ecode = HAL_ESELFTEST;
375		goto bad;
376	}
377
378	/*
379	 * Set correct Baseband to analog shift
380	 * setting to access analog chips.
381	 */
382	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
383
384	/* Read Radio Chip Rev Extract */
385	AH_PRIVATE(ah)->ah_analog5GhzRev = ar5416GetRadioRev(ah);
386	switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
387        case AR_RAD5122_SREV_MAJOR:	/* Fowl: 5G/2x2 */
388        case AR_RAD2122_SREV_MAJOR:	/* Fowl: 2+5G/2x2 */
389        case AR_RAD2133_SREV_MAJOR:	/* Fowl: 2G/3x3 */
390	case AR_RAD5133_SREV_MAJOR:	/* Fowl: 2+5G/3x3 */
391		break;
392	default:
393		if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
394			/*
395			 * When RF_Silen is used the analog chip is reset.
396			 * So when the system boots with radio switch off
397			 * the RF chip rev reads back as zero and we need
398			 * to use the mac+phy revs to set the radio rev.
399			 */
400			AH_PRIVATE(ah)->ah_analog5GhzRev =
401				AR_RAD5133_SREV_MAJOR;
402			break;
403		}
404		/* NB: silently accept anything in release code per Atheros */
405#ifdef AH_DEBUG
406		HALDEBUG(ah, HAL_DEBUG_ANY,
407		    "%s: 5G Radio Chip Rev 0x%02X is not supported by "
408		    "this driver\n", __func__,
409		    AH_PRIVATE(ah)->ah_analog5GhzRev);
410		ecode = HAL_ENOTSUPP;
411		goto bad;
412#endif
413	}
414
415	/*
416	 * Got everything we need now to setup the capabilities.
417	 */
418	if (!ar5416FillCapabilityInfo(ah)) {
419		ecode = HAL_EEREAD;
420		goto bad;
421	}
422
423	ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
424	if (ecode != HAL_OK) {
425		HALDEBUG(ah, HAL_DEBUG_ANY,
426		    "%s: error getting mac address from EEPROM\n", __func__);
427		goto bad;
428        }
429	/* XXX How about the serial number ? */
430	/* Read Reg Domain */
431	AH_PRIVATE(ah)->ah_currentRD =
432	    ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
433	AH_PRIVATE(ah)->ah_currentRDext =
434	    ath_hal_eepromGet(ah, AR_EEP_REGDMN_1, AH_NULL);
435
436	/*
437	 * ah_miscMode is populated by ar5416FillCapabilityInfo()
438	 * starting from griffin. Set here to make sure that
439	 * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
440	 * placed into hardware.
441	 */
442	if (ahp->ah_miscMode != 0)
443		OS_REG_WRITE(ah, AR_MISC_MODE, OS_REG_READ(ah, AR_MISC_MODE) | ahp->ah_miscMode);
444
445	rfStatus = ar2133RfAttach(ah, &ecode);
446	if (!rfStatus) {
447		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
448		    __func__, ecode);
449		goto bad;
450	}
451
452	ar5416AniSetup(ah);			/* Anti Noise Immunity */
453
454	AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ;
455	AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ;
456	AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_5416_2GHZ;
457	AH5416(ah)->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ;
458	AH5416(ah)->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ;
459	AH5416(ah)->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_5416_5GHZ;
460
461	ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
462
463	HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
464
465	return ah;
466bad:
467	if (ahp)
468		ar5416Detach((struct ath_hal *) ahp);
469	if (status)
470		*status = ecode;
471	return AH_NULL;
472}
473
474void
475ar5416Detach(struct ath_hal *ah)
476{
477	HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s:\n", __func__);
478
479	HALASSERT(ah != AH_NULL);
480	HALASSERT(ah->ah_magic == AR5416_MAGIC);
481
482	/* Make sure that chip is awake before writing to it */
483	if (! ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE))
484		HALDEBUG(ah, HAL_DEBUG_UNMASKABLE,
485		    "%s: failed to wake up chip\n",
486		    __func__);
487
488	ar5416AniDetach(ah);
489	ar5212RfDetach(ah);
490	ah->ah_disable(ah);
491	ar5416SetPowerMode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
492	ath_hal_eepromDetach(ah);
493	ath_hal_free(ah);
494}
495
496void
497ar5416AttachPCIE(struct ath_hal *ah)
498{
499	if (AH_PRIVATE(ah)->ah_ispcie)
500		ath_hal_configPCIE(ah, AH_FALSE, AH_FALSE);
501	else
502		ath_hal_disablePCIE(ah);
503}
504
505static void
506ar5416ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore, HAL_BOOL power_off)
507{
508
509	/* This is only applicable for AR5418 (AR5416 PCIe) */
510	if (! AH_PRIVATE(ah)->ah_ispcie)
511		return;
512
513	if (! restore) {
514		ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0);
515		OS_DELAY(1000);
516	}
517
518	if (power_off) {		/* Power-off */
519		/* clear bit 19 to disable L1 */
520		OS_REG_CLR_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
521	} else {			/* Power-on */
522		/* Set default WAR values for Owl */
523		OS_REG_WRITE(ah, AR_WA, AR_WA_DEFAULT);
524
525		/* set bit 19 to allow forcing of pcie core into L1 state */
526		OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
527	}
528}
529
530/*
531 * Disable PCIe PHY if PCIe isn't used.
532 */
533static void
534ar5416DisablePCIE(struct ath_hal *ah)
535{
536
537	/* PCIe? Don't */
538	if (AH_PRIVATE(ah)->ah_ispcie)
539		return;
540
541	/* .. Only applicable for AR5416v2 or later */
542	if (! (AR_SREV_OWL(ah) && AR_SREV_OWL_20_OR_LATER(ah)))
543		return;
544
545	OS_REG_WRITE_BUFFER_ENABLE(ah);
546
547	/*
548	 * Disable the PCIe PHY.
549	 */
550	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
551	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
552	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x28000029);
553	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x57160824);
554	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x25980579);
555	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x00000000);
556	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
557	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
558	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x000e1007);
559
560	/* Load the new settings */
561	OS_REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
562
563	OS_REG_WRITE_BUFFER_FLUSH(ah);
564	OS_REG_WRITE_BUFFER_DISABLE(ah);
565}
566
567static void
568ar5416WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan)
569{
570	u_int modesIndex, freqIndex;
571	int regWrites = 0;
572
573	/* Setup the indices for the next set of register array writes */
574	/* XXX Ignore 11n dynamic mode on the AR5416 for the moment */
575	if (IEEE80211_IS_CHAN_2GHZ(chan)) {
576		freqIndex = 2;
577		if (IEEE80211_IS_CHAN_HT40(chan))
578			modesIndex = 3;
579		else if (IEEE80211_IS_CHAN_108G(chan))
580			modesIndex = 5;
581		else
582			modesIndex = 4;
583	} else {
584		freqIndex = 1;
585		if (IEEE80211_IS_CHAN_HT40(chan) ||
586		    IEEE80211_IS_CHAN_TURBO(chan))
587			modesIndex = 2;
588		else
589			modesIndex = 1;
590	}
591
592	/* Set correct Baseband to analog shift setting to access analog chips. */
593	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
594
595	/*
596	 * Write addac shifts
597	 */
598	OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
599
600	/* NB: only required for Sowl */
601	if (AR_SREV_SOWL(ah))
602		ar5416EepromSetAddac(ah, chan);
603
604	regWrites = ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_addac, 1,
605	    regWrites);
606	OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
607
608	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes,
609	    modesIndex, regWrites);
610	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common,
611	    1, regWrites);
612
613	/* XXX updated regWrites? */
614	AH5212(ah)->ah_rfHal->writeRegs(ah, modesIndex, freqIndex, regWrites);
615}
616
617/*
618 * Convert to baseband spur frequency given input channel frequency
619 * and compute register settings below.
620 */
621
622static void
623ar5416SpurMitigate(struct ath_hal *ah, const struct ieee80211_channel *chan)
624{
625    uint16_t freq = ath_hal_gethwchannel(ah, chan);
626    static const int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
627                AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60 };
628    static const int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
629                AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60 };
630    static const int inc[4] = { 0, 100, 0, 0 };
631
632    int bb_spur = AR_NO_SPUR;
633    int bin, cur_bin;
634    int spur_freq_sd;
635    int spur_delta_phase;
636    int denominator;
637    int upper, lower, cur_vit_mask;
638    int tmp, new;
639    int i;
640
641    int8_t mask_m[123];
642    int8_t mask_p[123];
643    int8_t mask_amt;
644    int tmp_mask;
645    int cur_bb_spur;
646    HAL_BOOL is2GHz = IEEE80211_IS_CHAN_2GHZ(chan);
647
648    OS_MEMZERO(mask_m, sizeof(mask_m));
649    OS_MEMZERO(mask_p, sizeof(mask_p));
650
651    /*
652     * Need to verify range +/- 9.5 for static ht20, otherwise spur
653     * is out-of-band and can be ignored.
654     */
655    /* XXX ath9k changes */
656    for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) {
657        cur_bb_spur = ath_hal_getSpurChan(ah, i, is2GHz);
658        if (AR_NO_SPUR == cur_bb_spur)
659            break;
660        cur_bb_spur = cur_bb_spur - (freq * 10);
661        if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
662            bb_spur = cur_bb_spur;
663            break;
664        }
665    }
666    if (AR_NO_SPUR == bb_spur)
667        return;
668
669    bin = bb_spur * 32;
670
671    tmp = OS_REG_READ(ah, AR_PHY_TIMING_CTRL4_CHAIN(0));
672    new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
673        AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
674        AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
675        AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
676
677    OS_REG_WRITE_BUFFER_ENABLE(ah);
678
679    OS_REG_WRITE(ah, AR_PHY_TIMING_CTRL4_CHAIN(0), new);
680
681    new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
682        AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
683        AR_PHY_SPUR_REG_MASK_RATE_SELECT |
684        AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
685        SM(AR5416_SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
686    OS_REG_WRITE(ah, AR_PHY_SPUR_REG, new);
687    /*
688     * Should offset bb_spur by +/- 10 MHz for dynamic 2040 MHz
689     * config, no offset for HT20.
690     * spur_delta_phase = bb_spur/40 * 2**21 for static ht20,
691     * /80 for dyn2040.
692     */
693    spur_delta_phase = ((bb_spur * 524288) / 100) &
694        AR_PHY_TIMING11_SPUR_DELTA_PHASE;
695    /*
696     * in 11A mode the denominator of spur_freq_sd should be 40 and
697     * it should be 44 in 11G
698     */
699    denominator = IEEE80211_IS_CHAN_2GHZ(chan) ? 440 : 400;
700    spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
701
702    new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
703        SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
704        SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
705    OS_REG_WRITE(ah, AR_PHY_TIMING11, new);
706
707
708    /*
709     * ============================================
710     * pilot mask 1 [31:0] = +6..-26, no 0 bin
711     * pilot mask 2 [19:0] = +26..+7
712     *
713     * channel mask 1 [31:0] = +6..-26, no 0 bin
714     * channel mask 2 [19:0] = +26..+7
715     */
716    //cur_bin = -26;
717    cur_bin = -6000;
718    upper = bin + 100;
719    lower = bin - 100;
720
721    for (i = 0; i < 4; i++) {
722        int pilot_mask = 0;
723        int chan_mask  = 0;
724        int bp         = 0;
725        for (bp = 0; bp < 30; bp++) {
726            if ((cur_bin > lower) && (cur_bin < upper)) {
727                pilot_mask = pilot_mask | 0x1 << bp;
728                chan_mask  = chan_mask | 0x1 << bp;
729            }
730            cur_bin += 100;
731        }
732        cur_bin += inc[i];
733        OS_REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
734        OS_REG_WRITE(ah, chan_mask_reg[i], chan_mask);
735    }
736
737    /* =================================================
738     * viterbi mask 1 based on channel magnitude
739     * four levels 0-3
740     *  - mask (-27 to 27) (reg 64,0x9900 to 67,0x990c)
741     *      [1 2 2 1] for -9.6 or [1 2 1] for +16
742     *  - enable_mask_ppm, all bins move with freq
743     *
744     *  - mask_select,    8 bits for rates (reg 67,0x990c)
745     *  - mask_rate_cntl, 8 bits for rates (reg 67,0x990c)
746     *      choose which mask to use mask or mask2
747     */
748
749    /*
750     * viterbi mask 2  2nd set for per data rate puncturing
751     * four levels 0-3
752     *  - mask_select, 8 bits for rates (reg 67)
753     *  - mask (-27 to 27) (reg 98,0x9988 to 101,0x9994)
754     *      [1 2 2 1] for -9.6 or [1 2 1] for +16
755     */
756    cur_vit_mask = 6100;
757    upper        = bin + 120;
758    lower        = bin - 120;
759
760    for (i = 0; i < 123; i++) {
761        if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
762            if ((abs(cur_vit_mask - bin)) < 75) {
763                mask_amt = 1;
764            } else {
765                mask_amt = 0;
766            }
767            if (cur_vit_mask < 0) {
768                mask_m[abs(cur_vit_mask / 100)] = mask_amt;
769            } else {
770                mask_p[cur_vit_mask / 100] = mask_amt;
771            }
772        }
773        cur_vit_mask -= 100;
774    }
775
776    tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
777          | (mask_m[48] << 26) | (mask_m[49] << 24)
778          | (mask_m[50] << 22) | (mask_m[51] << 20)
779          | (mask_m[52] << 18) | (mask_m[53] << 16)
780          | (mask_m[54] << 14) | (mask_m[55] << 12)
781          | (mask_m[56] << 10) | (mask_m[57] <<  8)
782          | (mask_m[58] <<  6) | (mask_m[59] <<  4)
783          | (mask_m[60] <<  2) | (mask_m[61] <<  0);
784    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
785    OS_REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
786
787    tmp_mask =             (mask_m[31] << 28)
788          | (mask_m[32] << 26) | (mask_m[33] << 24)
789          | (mask_m[34] << 22) | (mask_m[35] << 20)
790          | (mask_m[36] << 18) | (mask_m[37] << 16)
791          | (mask_m[48] << 14) | (mask_m[39] << 12)
792          | (mask_m[40] << 10) | (mask_m[41] <<  8)
793          | (mask_m[42] <<  6) | (mask_m[43] <<  4)
794          | (mask_m[44] <<  2) | (mask_m[45] <<  0);
795    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
796    OS_REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
797
798    tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
799          | (mask_m[18] << 26) | (mask_m[18] << 24)
800          | (mask_m[20] << 22) | (mask_m[20] << 20)
801          | (mask_m[22] << 18) | (mask_m[22] << 16)
802          | (mask_m[24] << 14) | (mask_m[24] << 12)
803          | (mask_m[25] << 10) | (mask_m[26] <<  8)
804          | (mask_m[27] <<  6) | (mask_m[28] <<  4)
805          | (mask_m[29] <<  2) | (mask_m[30] <<  0);
806    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
807    OS_REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
808
809    tmp_mask = (mask_m[ 0] << 30) | (mask_m[ 1] << 28)
810          | (mask_m[ 2] << 26) | (mask_m[ 3] << 24)
811          | (mask_m[ 4] << 22) | (mask_m[ 5] << 20)
812          | (mask_m[ 6] << 18) | (mask_m[ 7] << 16)
813          | (mask_m[ 8] << 14) | (mask_m[ 9] << 12)
814          | (mask_m[10] << 10) | (mask_m[11] <<  8)
815          | (mask_m[12] <<  6) | (mask_m[13] <<  4)
816          | (mask_m[14] <<  2) | (mask_m[15] <<  0);
817    OS_REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
818    OS_REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
819
820    tmp_mask =             (mask_p[15] << 28)
821          | (mask_p[14] << 26) | (mask_p[13] << 24)
822          | (mask_p[12] << 22) | (mask_p[11] << 20)
823          | (mask_p[10] << 18) | (mask_p[ 9] << 16)
824          | (mask_p[ 8] << 14) | (mask_p[ 7] << 12)
825          | (mask_p[ 6] << 10) | (mask_p[ 5] <<  8)
826          | (mask_p[ 4] <<  6) | (mask_p[ 3] <<  4)
827          | (mask_p[ 2] <<  2) | (mask_p[ 1] <<  0);
828    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
829    OS_REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
830
831    tmp_mask =             (mask_p[30] << 28)
832          | (mask_p[29] << 26) | (mask_p[28] << 24)
833          | (mask_p[27] << 22) | (mask_p[26] << 20)
834          | (mask_p[25] << 18) | (mask_p[24] << 16)
835          | (mask_p[23] << 14) | (mask_p[22] << 12)
836          | (mask_p[21] << 10) | (mask_p[20] <<  8)
837          | (mask_p[19] <<  6) | (mask_p[18] <<  4)
838          | (mask_p[17] <<  2) | (mask_p[16] <<  0);
839    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
840    OS_REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
841
842    tmp_mask =             (mask_p[45] << 28)
843          | (mask_p[44] << 26) | (mask_p[43] << 24)
844          | (mask_p[42] << 22) | (mask_p[41] << 20)
845          | (mask_p[40] << 18) | (mask_p[39] << 16)
846          | (mask_p[38] << 14) | (mask_p[37] << 12)
847          | (mask_p[36] << 10) | (mask_p[35] <<  8)
848          | (mask_p[34] <<  6) | (mask_p[33] <<  4)
849          | (mask_p[32] <<  2) | (mask_p[31] <<  0);
850    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
851    OS_REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
852
853    tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
854          | (mask_p[59] << 26) | (mask_p[58] << 24)
855          | (mask_p[57] << 22) | (mask_p[56] << 20)
856          | (mask_p[55] << 18) | (mask_p[54] << 16)
857          | (mask_p[53] << 14) | (mask_p[52] << 12)
858          | (mask_p[51] << 10) | (mask_p[50] <<  8)
859          | (mask_p[49] <<  6) | (mask_p[48] <<  4)
860          | (mask_p[47] <<  2) | (mask_p[46] <<  0);
861    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
862    OS_REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
863
864    OS_REG_WRITE_BUFFER_FLUSH(ah);
865    OS_REG_WRITE_BUFFER_DISABLE(ah);
866}
867
868/*
869 * Fill all software cached or static hardware state information.
870 * Return failure if capabilities are to come from EEPROM and
871 * cannot be read.
872 */
873HAL_BOOL
874ar5416FillCapabilityInfo(struct ath_hal *ah)
875{
876	struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
877	HAL_CAPABILITIES *pCap = &ahpriv->ah_caps;
878	uint16_t val;
879
880	/* Construct wireless mode from EEPROM */
881	pCap->halWirelessModes = 0;
882	if (ath_hal_eepromGetFlag(ah, AR_EEP_AMODE)) {
883		pCap->halWirelessModes |= HAL_MODE_11A
884				       |  HAL_MODE_11NA_HT20
885				       |  HAL_MODE_11NA_HT40PLUS
886				       |  HAL_MODE_11NA_HT40MINUS
887				       ;
888	}
889	if (ath_hal_eepromGetFlag(ah, AR_EEP_GMODE)) {
890		pCap->halWirelessModes |= HAL_MODE_11G
891				       |  HAL_MODE_11NG_HT20
892				       |  HAL_MODE_11NG_HT40PLUS
893				       |  HAL_MODE_11NG_HT40MINUS
894				       ;
895		pCap->halWirelessModes |= HAL_MODE_11A
896				       |  HAL_MODE_11NA_HT20
897				       |  HAL_MODE_11NA_HT40PLUS
898				       |  HAL_MODE_11NA_HT40MINUS
899				       ;
900	}
901
902	pCap->halLow2GhzChan = 2312;
903	pCap->halHigh2GhzChan = 2732;
904
905	pCap->halLow5GhzChan = 4915;
906	pCap->halHigh5GhzChan = 6100;
907
908	pCap->halCipherCkipSupport = AH_FALSE;
909	pCap->halCipherTkipSupport = AH_TRUE;
910	pCap->halCipherAesCcmSupport = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
911
912	pCap->halMicCkipSupport    = AH_FALSE;
913	pCap->halMicTkipSupport    = AH_TRUE;
914	pCap->halMicAesCcmSupport  = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
915	/*
916	 * Starting with Griffin TX+RX mic keys can be combined
917	 * in one key cache slot.
918	 */
919	pCap->halTkipMicTxRxKeySupport = AH_TRUE;
920	pCap->halChanSpreadSupport = AH_TRUE;
921	pCap->halSleepAfterBeaconBroken = AH_TRUE;
922
923	pCap->halCompressSupport = AH_FALSE;
924	pCap->halBurstSupport = AH_TRUE;
925	/*
926	 * This is disabled for now; the net80211 layer needs to be
927	 * taught when it is and isn't appropriate to enable FF processing
928	 * with 802.11n NICs (it tries to enable both A-MPDU and
929	 * fast frames, with very tragic crash-y results.)
930	 */
931	pCap->halFastFramesSupport = AH_FALSE;
932	pCap->halChapTuningSupport = AH_TRUE;
933	pCap->halTurboPrimeSupport = AH_TRUE;
934
935	pCap->halTurboGSupport = pCap->halWirelessModes & HAL_MODE_108G;
936
937	pCap->halPSPollBroken = AH_TRUE;	/* XXX fixed in later revs? */
938	pCap->halNumMRRetries = 4;		/* Hardware supports 4 MRR */
939	pCap->halNumTxMaps = 1;			/* Single TX ptr per descr */
940	pCap->halVEOLSupport = AH_TRUE;
941	pCap->halBssIdMaskSupport = AH_TRUE;
942	pCap->halMcastKeySrchSupport = AH_TRUE;	/* Works on AR5416 and later */
943	pCap->halTsfAddSupport = AH_TRUE;
944	pCap->hal4AddrAggrSupport = AH_FALSE;	/* Broken in Owl */
945	pCap->halSpectralScanSupport = AH_FALSE;	/* AR9280 and later */
946
947	if (ath_hal_eepromGet(ah, AR_EEP_MAXQCU, &val) == HAL_OK)
948		pCap->halTotalQueues = val;
949	else
950		pCap->halTotalQueues = HAL_NUM_TX_QUEUES;
951
952	if (ath_hal_eepromGet(ah, AR_EEP_KCENTRIES, &val) == HAL_OK)
953		pCap->halKeyCacheSize = val;
954	else
955		pCap->halKeyCacheSize = AR5416_KEYTABLE_SIZE;
956
957	/* XXX Which chips? */
958	pCap->halChanHalfRate = AH_TRUE;
959	pCap->halChanQuarterRate = AH_TRUE;
960
961	pCap->halTstampPrecision = 32;
962	pCap->halHwPhyCounterSupport = AH_TRUE;
963	pCap->halIntrMask = HAL_INT_COMMON
964			| HAL_INT_RX
965			| HAL_INT_TX
966			| HAL_INT_FATAL
967			| HAL_INT_BNR
968			| HAL_INT_BMISC
969			| HAL_INT_DTIMSYNC
970			| HAL_INT_TSFOOR
971			| HAL_INT_CST
972			| HAL_INT_GTT
973			;
974
975	pCap->halFastCCSupport = AH_TRUE;
976	pCap->halNumGpioPins = 14;
977	pCap->halWowSupport = AH_FALSE;
978	pCap->halWowMatchPatternExact = AH_FALSE;
979	pCap->halBtCoexSupport = AH_FALSE;	/* XXX need support */
980	pCap->halAutoSleepSupport = AH_FALSE;
981	pCap->hal4kbSplitTransSupport = AH_TRUE;
982	/* Disable this so Block-ACK works correctly */
983	pCap->halHasRxSelfLinkedTail = AH_FALSE;
984#if 0	/* XXX not yet */
985	pCap->halNumAntCfg2GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_2GHZ);
986	pCap->halNumAntCfg5GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_5GHZ);
987#endif
988	pCap->halHTSupport = AH_TRUE;
989	pCap->halTxChainMask = ath_hal_eepromGet(ah, AR_EEP_TXMASK, AH_NULL);
990	/* XXX CB71 uses GPIO 0 to indicate 3 rx chains */
991	pCap->halRxChainMask = ath_hal_eepromGet(ah, AR_EEP_RXMASK, AH_NULL);
992	/* AR5416 may have 3 antennas but is a 2x2 stream device */
993	pCap->halTxStreams = 2;
994	pCap->halRxStreams = 2;
995
996	/*
997	 * If the TX or RX chainmask has less than 2 chains active,
998	 * mark it as a 1-stream device for the relevant stream.
999	 */
1000	if (owl_get_ntxchains(pCap->halTxChainMask) == 1)
1001		pCap->halTxStreams = 1;
1002	/* XXX Eww */
1003	if (owl_get_ntxchains(pCap->halRxChainMask) == 1)
1004		pCap->halRxStreams = 1;
1005	pCap->halRtsAggrLimit = 8*1024;		/* Owl 2.0 limit */
1006	pCap->halMbssidAggrSupport = AH_FALSE;	/* Broken on Owl */
1007	pCap->halForcePpmSupport = AH_TRUE;
1008	pCap->halEnhancedPmSupport = AH_TRUE;
1009	pCap->halBssidMatchSupport = AH_TRUE;
1010	pCap->halGTTSupport = AH_TRUE;
1011	pCap->halCSTSupport = AH_TRUE;
1012	pCap->halEnhancedDfsSupport = AH_FALSE;
1013	/* Hardware supports 32 bit TSF values in the RX descriptor */
1014	pCap->halHasLongRxDescTsf = AH_TRUE;
1015	/*
1016	 * BB Read WAR: this is only for AR5008/AR9001 NICs
1017	 * It is also set individually in the AR91xx attach functions.
1018	 */
1019	if (AR_SREV_OWL(ah))
1020		pCap->halHasBBReadWar = AH_TRUE;
1021
1022	if (ath_hal_eepromGetFlag(ah, AR_EEP_RFKILL) &&
1023	    ath_hal_eepromGet(ah, AR_EEP_RFSILENT, &ahpriv->ah_rfsilent) == HAL_OK) {
1024		/* NB: enabled by default */
1025		ahpriv->ah_rfkillEnabled = AH_TRUE;
1026		pCap->halRfSilentSupport = AH_TRUE;
1027	}
1028
1029	/*
1030	 * The MAC will mark frames as RXed if there's a descriptor
1031	 * to write them to. So if it hits a self-linked final descriptor,
1032	 * it'll keep ACKing frames even though they're being silently
1033	 * dropped. Thus, this particular feature of the driver can't
1034	 * be used for 802.11n devices.
1035	 */
1036	ahpriv->ah_rxornIsFatal = AH_FALSE;
1037
1038	/*
1039	 * If it's a PCI NIC, ask the HAL OS layer to serialise
1040	 * register access, or SMP machines may cause the hardware
1041	 * to hang. This is applicable to AR5416 and AR9220; I'm not
1042	 * sure about AR9160 or AR9227.
1043	 */
1044	if (! AH_PRIVATE(ah)->ah_ispcie)
1045		pCap->halSerialiseRegWar = 1;
1046
1047	return AH_TRUE;
1048}
1049
1050static const char*
1051ar5416Probe(uint16_t vendorid, uint16_t devid)
1052{
1053	if (vendorid == ATHEROS_VENDOR_ID) {
1054		if (devid == AR5416_DEVID_PCI)
1055			return "Atheros 5416";
1056		if (devid == AR5416_DEVID_PCIE)
1057			return "Atheros 5418";
1058	}
1059	return AH_NULL;
1060}
1061AH_CHIP(AR5416, ar5416Probe, ar5416Attach);
1062