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
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	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
279uint32_t
280ar5416GetRadioRev(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 */
297static struct ath_hal *
298ar5416Attach(uint16_t devid, HAL_SOFTC sc,
299	HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
300	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;
481bad:
482	if (ahp)
483		ar5416Detach((struct ath_hal *) ahp);
484	if (status)
485		*status = ecode;
486	return AH_NULL;
487}
488
489void
490ar5416Detach(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
511void
512ar5416AttachPCIE(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
520static void
521ar5416ConfigPCIE(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 */
548static void
549ar5416DisablePCIE(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
582static void
583ar5416WriteIni(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
637static void
638ar5416SpurMitigate(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 */
888HAL_BOOL
889ar5416FillCapabilityInfo(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	return AH_TRUE;
1063}
1064
1065static const char*
1066ar5416Probe(uint16_t vendorid, uint16_t devid)
1067{
1068	if (vendorid == ATHEROS_VENDOR_ID) {
1069		if (devid == AR5416_DEVID_PCI)
1070			return "Atheros 5416";
1071		if (devid == AR5416_DEVID_PCIE)
1072			return "Atheros 5418";
1073	}
1074	return AH_NULL;
1075}
1076AH_CHIP(AR5416, ar5416Probe, ar5416Attach);
1077