ar5416_attach.c revision 243840
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 243840 2012-12-03 23:45:06Z 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	/* Power Management Functions */
165	ah->ah_setPowerMode		= ar5416SetPowerMode;
166
167	/* Beacon Management Functions */
168	ah->ah_setBeaconTimers		= ar5416SetBeaconTimers;
169	ah->ah_beaconInit		= ar5416BeaconInit;
170	ah->ah_setStationBeaconTimers	= ar5416SetStaBeaconTimers;
171	ah->ah_resetStationBeaconTimers	= ar5416ResetStaBeaconTimers;
172	ah->ah_getNextTBTT		= ar5416GetNextTBTT;
173
174	/* 802.11n Functions */
175	ah->ah_chainTxDesc		= ar5416ChainTxDesc;
176	ah->ah_setupFirstTxDesc		= ar5416SetupFirstTxDesc;
177	ah->ah_setupLastTxDesc		= ar5416SetupLastTxDesc;
178	ah->ah_set11nRateScenario	= ar5416Set11nRateScenario;
179	ah->ah_set11nAggrFirst		= ar5416Set11nAggrFirst;
180	ah->ah_set11nAggrMiddle		= ar5416Set11nAggrMiddle;
181	ah->ah_set11nAggrLast		= ar5416Set11nAggrLast;
182	ah->ah_clr11nAggr		= ar5416Clr11nAggr;
183	ah->ah_set11nBurstDuration	= ar5416Set11nBurstDuration;
184	ah->ah_get11nExtBusy		= ar5416Get11nExtBusy;
185	ah->ah_set11nMac2040		= ar5416Set11nMac2040;
186	ah->ah_get11nRxClear		= ar5416Get11nRxClear;
187	ah->ah_set11nRxClear		= ar5416Set11nRxClear;
188
189	/* Interrupt functions */
190	ah->ah_isInterruptPending	= ar5416IsInterruptPending;
191	ah->ah_getPendingInterrupts	= ar5416GetPendingInterrupts;
192	ah->ah_setInterrupts		= ar5416SetInterrupts;
193
194	/* Bluetooth Coexistence functions */
195	ah->ah_btCoexSetInfo		= ar5416SetBTCoexInfo;
196	ah->ah_btCoexSetConfig		= ar5416BTCoexConfig;
197	ah->ah_btCoexSetQcuThresh	= ar5416BTCoexSetQcuThresh;
198	ah->ah_btCoexSetWeights		= ar5416BTCoexSetWeights;
199	ah->ah_btCoexSetBmissThresh	= ar5416BTCoexSetupBmissThresh;
200	ah->ah_btcoexSetParameter	= ar5416BTCoexSetParameter;
201	ah->ah_btCoexDisable		= ar5416BTCoexDisable;
202	ah->ah_btCoexEnable		= ar5416BTCoexEnable;
203
204	ahp->ah_priv.ah_getWirelessModes= ar5416GetWirelessModes;
205	ahp->ah_priv.ah_eepromRead	= ar5416EepromRead;
206#ifdef AH_SUPPORT_WRITE_EEPROM
207	ahp->ah_priv.ah_eepromWrite	= ar5416EepromWrite;
208#endif
209	ahp->ah_priv.ah_getChipPowerLimits = ar5416GetChipPowerLimits;
210
211	/* Internal ops */
212	AH5416(ah)->ah_writeIni		= ar5416WriteIni;
213	AH5416(ah)->ah_spurMitigate	= ar5416SpurMitigate;
214
215	/* Internal baseband ops */
216	AH5416(ah)->ah_initPLL		= ar5416InitPLL;
217
218	/* Internal calibration ops */
219	AH5416(ah)->ah_cal_initcal	= ar5416InitCalHardware;
220
221	/* Internal TX power control related operations */
222	AH5416(ah)->ah_olcInit = ar5416olcInit;
223	AH5416(ah)->ah_olcTempCompensation	= ar5416olcTempCompensation;
224	AH5416(ah)->ah_setPowerCalTable	= ar5416SetPowerCalTable;
225
226	/*
227	 * Start by setting all Owl devices to 2x2
228	 */
229	AH5416(ah)->ah_rx_chainmask = AR5416_DEFAULT_RXCHAINMASK;
230	AH5416(ah)->ah_tx_chainmask = AR5416_DEFAULT_TXCHAINMASK;
231
232	/* Enable all ANI functions to begin with */
233	AH5416(ah)->ah_ani_function = 0xffffffff;
234
235        /* Set overridable ANI methods */
236        AH5212(ah)->ah_aniControl = ar5416AniControl;
237}
238
239uint32_t
240ar5416GetRadioRev(struct ath_hal *ah)
241{
242	uint32_t val;
243	int i;
244
245	/* Read Radio Chip Rev Extract */
246	OS_REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
247	for (i = 0; i < 8; i++)
248		OS_REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
249	val = (OS_REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
250	val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
251	return ath_hal_reverseBits(val, 8);
252}
253
254/*
255 * Attach for an AR5416 part.
256 */
257static struct ath_hal *
258ar5416Attach(uint16_t devid, HAL_SOFTC sc,
259	HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
260	HAL_STATUS *status)
261{
262	struct ath_hal_5416 *ahp5416;
263	struct ath_hal_5212 *ahp;
264	struct ath_hal *ah;
265	uint32_t val;
266	HAL_STATUS ecode;
267	HAL_BOOL rfStatus;
268
269	HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
270	    __func__, sc, (void*) st, (void*) sh);
271
272	/* NB: memory is returned zero'd */
273	ahp5416 = ath_hal_malloc(sizeof (struct ath_hal_5416) +
274		/* extra space for Owl 2.1/2.2 WAR */
275		sizeof(ar5416Addac)
276	);
277	if (ahp5416 == AH_NULL) {
278		HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
279		    "%s: cannot allocate memory for state block\n", __func__);
280		*status = HAL_ENOMEM;
281		return AH_NULL;
282	}
283	ar5416InitState(ahp5416, devid, sc, st, sh, status);
284	ahp = &ahp5416->ah_5212;
285	ah = &ahp->ah_priv.h;
286
287	if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
288		/* reset chip */
289		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n", __func__);
290		ecode = HAL_EIO;
291		goto bad;
292	}
293
294	if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
295		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n", __func__);
296		ecode = HAL_EIO;
297		goto bad;
298	}
299	/* Read Revisions from Chips before taking out of reset */
300	val = OS_REG_READ(ah, AR_SREV) & AR_SREV_ID;
301	AH_PRIVATE(ah)->ah_macVersion = val >> AR_SREV_ID_S;
302	AH_PRIVATE(ah)->ah_macRev = val & AR_SREV_REVISION;
303	AH_PRIVATE(ah)->ah_ispcie = (devid == AR5416_DEVID_PCIE);
304
305	/* setup common ini data; rf backends handle remainder */
306	HAL_INI_INIT(&ahp->ah_ini_modes, ar5416Modes, 6);
307	HAL_INI_INIT(&ahp->ah_ini_common, ar5416Common, 2);
308
309	HAL_INI_INIT(&AH5416(ah)->ah_ini_bb_rfgain, ar5416BB_RfGain, 3);
310	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank0, ar5416Bank0, 2);
311	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank1, ar5416Bank1, 2);
312	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank2, ar5416Bank2, 2);
313	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank3, ar5416Bank3, 3);
314	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank6, ar5416Bank6, 3);
315	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank7, ar5416Bank7, 2);
316	HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar5416Addac, 2);
317
318	if (! IS_5416V2_2(ah)) {		/* Owl 2.1/2.0 */
319		ath_hal_printf(ah, "[ath] Enabling CLKDRV workaround for AR5416 < v2.2\n");
320		struct ini {
321			uint32_t	*data;		/* NB: !const */
322			int		rows, cols;
323		};
324		/* override CLKDRV value */
325		OS_MEMCPY(&AH5416(ah)[1], ar5416Addac, sizeof(ar5416Addac));
326		AH5416(ah)->ah_ini_addac.data = (uint32_t *) &AH5416(ah)[1];
327		HAL_INI_VAL((struct ini *)&AH5416(ah)->ah_ini_addac, 31, 1) = 0;
328	}
329
330	HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes, ar5416PciePhy, 2);
331	ar5416AttachPCIE(ah);
332
333	ecode = ath_hal_v14EepromAttach(ah);
334	if (ecode != HAL_OK)
335		goto bad;
336
337	if (!ar5416ChipReset(ah, AH_NULL)) {	/* reset chip */
338		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n",
339		    __func__);
340		ecode = HAL_EIO;
341		goto bad;
342	}
343
344	AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
345
346	if (!ar5212ChipTest(ah)) {
347		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
348		    __func__);
349		ecode = HAL_ESELFTEST;
350		goto bad;
351	}
352
353	/*
354	 * Set correct Baseband to analog shift
355	 * setting to access analog chips.
356	 */
357	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
358
359	/* Read Radio Chip Rev Extract */
360	AH_PRIVATE(ah)->ah_analog5GhzRev = ar5416GetRadioRev(ah);
361	switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
362        case AR_RAD5122_SREV_MAJOR:	/* Fowl: 5G/2x2 */
363        case AR_RAD2122_SREV_MAJOR:	/* Fowl: 2+5G/2x2 */
364        case AR_RAD2133_SREV_MAJOR:	/* Fowl: 2G/3x3 */
365	case AR_RAD5133_SREV_MAJOR:	/* Fowl: 2+5G/3x3 */
366		break;
367	default:
368		if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
369			/*
370			 * When RF_Silen is used the analog chip is reset.
371			 * So when the system boots with radio switch off
372			 * the RF chip rev reads back as zero and we need
373			 * to use the mac+phy revs to set the radio rev.
374			 */
375			AH_PRIVATE(ah)->ah_analog5GhzRev =
376				AR_RAD5133_SREV_MAJOR;
377			break;
378		}
379		/* NB: silently accept anything in release code per Atheros */
380#ifdef AH_DEBUG
381		HALDEBUG(ah, HAL_DEBUG_ANY,
382		    "%s: 5G Radio Chip Rev 0x%02X is not supported by "
383		    "this driver\n", __func__,
384		    AH_PRIVATE(ah)->ah_analog5GhzRev);
385		ecode = HAL_ENOTSUPP;
386		goto bad;
387#endif
388	}
389
390	/*
391	 * Got everything we need now to setup the capabilities.
392	 */
393	if (!ar5416FillCapabilityInfo(ah)) {
394		ecode = HAL_EEREAD;
395		goto bad;
396	}
397
398	ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
399	if (ecode != HAL_OK) {
400		HALDEBUG(ah, HAL_DEBUG_ANY,
401		    "%s: error getting mac address from EEPROM\n", __func__);
402		goto bad;
403        }
404	/* XXX How about the serial number ? */
405	/* Read Reg Domain */
406	AH_PRIVATE(ah)->ah_currentRD =
407	    ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
408	AH_PRIVATE(ah)->ah_currentRDext =
409	    ath_hal_eepromGet(ah, AR_EEP_REGDMN_1, AH_NULL);
410
411	/*
412	 * ah_miscMode is populated by ar5416FillCapabilityInfo()
413	 * starting from griffin. Set here to make sure that
414	 * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
415	 * placed into hardware.
416	 */
417	if (ahp->ah_miscMode != 0)
418		OS_REG_WRITE(ah, AR_MISC_MODE, OS_REG_READ(ah, AR_MISC_MODE) | ahp->ah_miscMode);
419
420	rfStatus = ar2133RfAttach(ah, &ecode);
421	if (!rfStatus) {
422		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
423		    __func__, ecode);
424		goto bad;
425	}
426
427	ar5416AniSetup(ah);			/* Anti Noise Immunity */
428
429	AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ;
430	AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ;
431	AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_5416_2GHZ;
432	AH5416(ah)->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ;
433	AH5416(ah)->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ;
434	AH5416(ah)->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_5416_5GHZ;
435
436	ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
437
438	HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
439
440	return ah;
441bad:
442	if (ahp)
443		ar5416Detach((struct ath_hal *) ahp);
444	if (status)
445		*status = ecode;
446	return AH_NULL;
447}
448
449void
450ar5416Detach(struct ath_hal *ah)
451{
452	HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s:\n", __func__);
453
454	HALASSERT(ah != AH_NULL);
455	HALASSERT(ah->ah_magic == AR5416_MAGIC);
456
457	/* Make sure that chip is awake before writing to it */
458	if (! ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE))
459		HALDEBUG(ah, HAL_DEBUG_UNMASKABLE,
460		    "%s: failed to wake up chip\n",
461		    __func__);
462
463	ar5416AniDetach(ah);
464	ar5212RfDetach(ah);
465	ah->ah_disable(ah);
466	ar5416SetPowerMode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
467	ath_hal_eepromDetach(ah);
468	ath_hal_free(ah);
469}
470
471void
472ar5416AttachPCIE(struct ath_hal *ah)
473{
474	if (AH_PRIVATE(ah)->ah_ispcie)
475		ath_hal_configPCIE(ah, AH_FALSE, AH_FALSE);
476	else
477		ath_hal_disablePCIE(ah);
478}
479
480static void
481ar5416ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore, HAL_BOOL power_off)
482{
483
484	/* This is only applicable for AR5418 (AR5416 PCIe) */
485	if (! AH_PRIVATE(ah)->ah_ispcie)
486		return;
487
488	if (! restore) {
489		ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0);
490		OS_DELAY(1000);
491	}
492
493	if (power_off) {		/* Power-off */
494		/* clear bit 19 to disable L1 */
495		OS_REG_CLR_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
496	} else {			/* Power-on */
497		/* Set default WAR values for Owl */
498		OS_REG_WRITE(ah, AR_WA, AR_WA_DEFAULT);
499
500		/* set bit 19 to allow forcing of pcie core into L1 state */
501		OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
502	}
503}
504
505/*
506 * Disable PCIe PHY if PCIe isn't used.
507 */
508static void
509ar5416DisablePCIE(struct ath_hal *ah)
510{
511
512	/* PCIe? Don't */
513	if (AH_PRIVATE(ah)->ah_ispcie)
514		return;
515
516	/* .. Only applicable for AR5416v2 or later */
517	if (! (AR_SREV_OWL(ah) && AR_SREV_OWL_20_OR_LATER(ah)))
518		return;
519
520	OS_REG_WRITE_BUFFER_ENABLE(ah);
521
522	/*
523	 * Disable the PCIe PHY.
524	 */
525	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
526	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
527	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x28000029);
528	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x57160824);
529	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x25980579);
530	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x00000000);
531	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
532	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
533	OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x000e1007);
534
535	/* Load the new settings */
536	OS_REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
537
538	OS_REG_WRITE_BUFFER_FLUSH(ah);
539	OS_REG_WRITE_BUFFER_DISABLE(ah);
540}
541
542static void
543ar5416WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan)
544{
545	u_int modesIndex, freqIndex;
546	int regWrites = 0;
547
548	/* Setup the indices for the next set of register array writes */
549	/* XXX Ignore 11n dynamic mode on the AR5416 for the moment */
550	if (IEEE80211_IS_CHAN_2GHZ(chan)) {
551		freqIndex = 2;
552		if (IEEE80211_IS_CHAN_HT40(chan))
553			modesIndex = 3;
554		else if (IEEE80211_IS_CHAN_108G(chan))
555			modesIndex = 5;
556		else
557			modesIndex = 4;
558	} else {
559		freqIndex = 1;
560		if (IEEE80211_IS_CHAN_HT40(chan) ||
561		    IEEE80211_IS_CHAN_TURBO(chan))
562			modesIndex = 2;
563		else
564			modesIndex = 1;
565	}
566
567	/* Set correct Baseband to analog shift setting to access analog chips. */
568	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
569
570	/*
571	 * Write addac shifts
572	 */
573	OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
574
575	/* NB: only required for Sowl */
576	if (AR_SREV_SOWL(ah))
577		ar5416EepromSetAddac(ah, chan);
578
579	regWrites = ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_addac, 1,
580	    regWrites);
581	OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
582
583	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes,
584	    modesIndex, regWrites);
585	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common,
586	    1, regWrites);
587
588	/* XXX updated regWrites? */
589	AH5212(ah)->ah_rfHal->writeRegs(ah, modesIndex, freqIndex, regWrites);
590}
591
592/*
593 * Convert to baseband spur frequency given input channel frequency
594 * and compute register settings below.
595 */
596
597static void
598ar5416SpurMitigate(struct ath_hal *ah, const struct ieee80211_channel *chan)
599{
600    uint16_t freq = ath_hal_gethwchannel(ah, chan);
601    static const int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
602                AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60 };
603    static const int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
604                AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60 };
605    static const int inc[4] = { 0, 100, 0, 0 };
606
607    int bb_spur = AR_NO_SPUR;
608    int bin, cur_bin;
609    int spur_freq_sd;
610    int spur_delta_phase;
611    int denominator;
612    int upper, lower, cur_vit_mask;
613    int tmp, new;
614    int i;
615
616    int8_t mask_m[123];
617    int8_t mask_p[123];
618    int8_t mask_amt;
619    int tmp_mask;
620    int cur_bb_spur;
621    HAL_BOOL is2GHz = IEEE80211_IS_CHAN_2GHZ(chan);
622
623    OS_MEMZERO(mask_m, sizeof(mask_m));
624    OS_MEMZERO(mask_p, sizeof(mask_p));
625
626    /*
627     * Need to verify range +/- 9.5 for static ht20, otherwise spur
628     * is out-of-band and can be ignored.
629     */
630    /* XXX ath9k changes */
631    for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) {
632        cur_bb_spur = ath_hal_getSpurChan(ah, i, is2GHz);
633        if (AR_NO_SPUR == cur_bb_spur)
634            break;
635        cur_bb_spur = cur_bb_spur - (freq * 10);
636        if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
637            bb_spur = cur_bb_spur;
638            break;
639        }
640    }
641    if (AR_NO_SPUR == bb_spur)
642        return;
643
644    bin = bb_spur * 32;
645
646    tmp = OS_REG_READ(ah, AR_PHY_TIMING_CTRL4_CHAIN(0));
647    new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
648        AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
649        AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
650        AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
651
652    OS_REG_WRITE_BUFFER_ENABLE(ah);
653
654    OS_REG_WRITE(ah, AR_PHY_TIMING_CTRL4_CHAIN(0), new);
655
656    new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
657        AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
658        AR_PHY_SPUR_REG_MASK_RATE_SELECT |
659        AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
660        SM(AR5416_SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
661    OS_REG_WRITE(ah, AR_PHY_SPUR_REG, new);
662    /*
663     * Should offset bb_spur by +/- 10 MHz for dynamic 2040 MHz
664     * config, no offset for HT20.
665     * spur_delta_phase = bb_spur/40 * 2**21 for static ht20,
666     * /80 for dyn2040.
667     */
668    spur_delta_phase = ((bb_spur * 524288) / 100) &
669        AR_PHY_TIMING11_SPUR_DELTA_PHASE;
670    /*
671     * in 11A mode the denominator of spur_freq_sd should be 40 and
672     * it should be 44 in 11G
673     */
674    denominator = IEEE80211_IS_CHAN_2GHZ(chan) ? 440 : 400;
675    spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
676
677    new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
678        SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
679        SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
680    OS_REG_WRITE(ah, AR_PHY_TIMING11, new);
681
682
683    /*
684     * ============================================
685     * pilot mask 1 [31:0] = +6..-26, no 0 bin
686     * pilot mask 2 [19:0] = +26..+7
687     *
688     * channel mask 1 [31:0] = +6..-26, no 0 bin
689     * channel mask 2 [19:0] = +26..+7
690     */
691    //cur_bin = -26;
692    cur_bin = -6000;
693    upper = bin + 100;
694    lower = bin - 100;
695
696    for (i = 0; i < 4; i++) {
697        int pilot_mask = 0;
698        int chan_mask  = 0;
699        int bp         = 0;
700        for (bp = 0; bp < 30; bp++) {
701            if ((cur_bin > lower) && (cur_bin < upper)) {
702                pilot_mask = pilot_mask | 0x1 << bp;
703                chan_mask  = chan_mask | 0x1 << bp;
704            }
705            cur_bin += 100;
706        }
707        cur_bin += inc[i];
708        OS_REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
709        OS_REG_WRITE(ah, chan_mask_reg[i], chan_mask);
710    }
711
712    /* =================================================
713     * viterbi mask 1 based on channel magnitude
714     * four levels 0-3
715     *  - mask (-27 to 27) (reg 64,0x9900 to 67,0x990c)
716     *      [1 2 2 1] for -9.6 or [1 2 1] for +16
717     *  - enable_mask_ppm, all bins move with freq
718     *
719     *  - mask_select,    8 bits for rates (reg 67,0x990c)
720     *  - mask_rate_cntl, 8 bits for rates (reg 67,0x990c)
721     *      choose which mask to use mask or mask2
722     */
723
724    /*
725     * viterbi mask 2  2nd set for per data rate puncturing
726     * four levels 0-3
727     *  - mask_select, 8 bits for rates (reg 67)
728     *  - mask (-27 to 27) (reg 98,0x9988 to 101,0x9994)
729     *      [1 2 2 1] for -9.6 or [1 2 1] for +16
730     */
731    cur_vit_mask = 6100;
732    upper        = bin + 120;
733    lower        = bin - 120;
734
735    for (i = 0; i < 123; i++) {
736        if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
737            if ((abs(cur_vit_mask - bin)) < 75) {
738                mask_amt = 1;
739            } else {
740                mask_amt = 0;
741            }
742            if (cur_vit_mask < 0) {
743                mask_m[abs(cur_vit_mask / 100)] = mask_amt;
744            } else {
745                mask_p[cur_vit_mask / 100] = mask_amt;
746            }
747        }
748        cur_vit_mask -= 100;
749    }
750
751    tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
752          | (mask_m[48] << 26) | (mask_m[49] << 24)
753          | (mask_m[50] << 22) | (mask_m[51] << 20)
754          | (mask_m[52] << 18) | (mask_m[53] << 16)
755          | (mask_m[54] << 14) | (mask_m[55] << 12)
756          | (mask_m[56] << 10) | (mask_m[57] <<  8)
757          | (mask_m[58] <<  6) | (mask_m[59] <<  4)
758          | (mask_m[60] <<  2) | (mask_m[61] <<  0);
759    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
760    OS_REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
761
762    tmp_mask =             (mask_m[31] << 28)
763          | (mask_m[32] << 26) | (mask_m[33] << 24)
764          | (mask_m[34] << 22) | (mask_m[35] << 20)
765          | (mask_m[36] << 18) | (mask_m[37] << 16)
766          | (mask_m[48] << 14) | (mask_m[39] << 12)
767          | (mask_m[40] << 10) | (mask_m[41] <<  8)
768          | (mask_m[42] <<  6) | (mask_m[43] <<  4)
769          | (mask_m[44] <<  2) | (mask_m[45] <<  0);
770    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
771    OS_REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
772
773    tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
774          | (mask_m[18] << 26) | (mask_m[18] << 24)
775          | (mask_m[20] << 22) | (mask_m[20] << 20)
776          | (mask_m[22] << 18) | (mask_m[22] << 16)
777          | (mask_m[24] << 14) | (mask_m[24] << 12)
778          | (mask_m[25] << 10) | (mask_m[26] <<  8)
779          | (mask_m[27] <<  6) | (mask_m[28] <<  4)
780          | (mask_m[29] <<  2) | (mask_m[30] <<  0);
781    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
782    OS_REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
783
784    tmp_mask = (mask_m[ 0] << 30) | (mask_m[ 1] << 28)
785          | (mask_m[ 2] << 26) | (mask_m[ 3] << 24)
786          | (mask_m[ 4] << 22) | (mask_m[ 5] << 20)
787          | (mask_m[ 6] << 18) | (mask_m[ 7] << 16)
788          | (mask_m[ 8] << 14) | (mask_m[ 9] << 12)
789          | (mask_m[10] << 10) | (mask_m[11] <<  8)
790          | (mask_m[12] <<  6) | (mask_m[13] <<  4)
791          | (mask_m[14] <<  2) | (mask_m[15] <<  0);
792    OS_REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
793    OS_REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
794
795    tmp_mask =             (mask_p[15] << 28)
796          | (mask_p[14] << 26) | (mask_p[13] << 24)
797          | (mask_p[12] << 22) | (mask_p[11] << 20)
798          | (mask_p[10] << 18) | (mask_p[ 9] << 16)
799          | (mask_p[ 8] << 14) | (mask_p[ 7] << 12)
800          | (mask_p[ 6] << 10) | (mask_p[ 5] <<  8)
801          | (mask_p[ 4] <<  6) | (mask_p[ 3] <<  4)
802          | (mask_p[ 2] <<  2) | (mask_p[ 1] <<  0);
803    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
804    OS_REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
805
806    tmp_mask =             (mask_p[30] << 28)
807          | (mask_p[29] << 26) | (mask_p[28] << 24)
808          | (mask_p[27] << 22) | (mask_p[26] << 20)
809          | (mask_p[25] << 18) | (mask_p[24] << 16)
810          | (mask_p[23] << 14) | (mask_p[22] << 12)
811          | (mask_p[21] << 10) | (mask_p[20] <<  8)
812          | (mask_p[19] <<  6) | (mask_p[18] <<  4)
813          | (mask_p[17] <<  2) | (mask_p[16] <<  0);
814    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
815    OS_REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
816
817    tmp_mask =             (mask_p[45] << 28)
818          | (mask_p[44] << 26) | (mask_p[43] << 24)
819          | (mask_p[42] << 22) | (mask_p[41] << 20)
820          | (mask_p[40] << 18) | (mask_p[39] << 16)
821          | (mask_p[38] << 14) | (mask_p[37] << 12)
822          | (mask_p[36] << 10) | (mask_p[35] <<  8)
823          | (mask_p[34] <<  6) | (mask_p[33] <<  4)
824          | (mask_p[32] <<  2) | (mask_p[31] <<  0);
825    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
826    OS_REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
827
828    tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
829          | (mask_p[59] << 26) | (mask_p[58] << 24)
830          | (mask_p[57] << 22) | (mask_p[56] << 20)
831          | (mask_p[55] << 18) | (mask_p[54] << 16)
832          | (mask_p[53] << 14) | (mask_p[52] << 12)
833          | (mask_p[51] << 10) | (mask_p[50] <<  8)
834          | (mask_p[49] <<  6) | (mask_p[48] <<  4)
835          | (mask_p[47] <<  2) | (mask_p[46] <<  0);
836    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
837    OS_REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
838
839    OS_REG_WRITE_BUFFER_FLUSH(ah);
840    OS_REG_WRITE_BUFFER_DISABLE(ah);
841}
842
843/*
844 * Fill all software cached or static hardware state information.
845 * Return failure if capabilities are to come from EEPROM and
846 * cannot be read.
847 */
848HAL_BOOL
849ar5416FillCapabilityInfo(struct ath_hal *ah)
850{
851	struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
852	HAL_CAPABILITIES *pCap = &ahpriv->ah_caps;
853	uint16_t val;
854
855	/* Construct wireless mode from EEPROM */
856	pCap->halWirelessModes = 0;
857	if (ath_hal_eepromGetFlag(ah, AR_EEP_AMODE)) {
858		pCap->halWirelessModes |= HAL_MODE_11A
859				       |  HAL_MODE_11NA_HT20
860				       |  HAL_MODE_11NA_HT40PLUS
861				       |  HAL_MODE_11NA_HT40MINUS
862				       ;
863	}
864	if (ath_hal_eepromGetFlag(ah, AR_EEP_GMODE)) {
865		pCap->halWirelessModes |= HAL_MODE_11G
866				       |  HAL_MODE_11NG_HT20
867				       |  HAL_MODE_11NG_HT40PLUS
868				       |  HAL_MODE_11NG_HT40MINUS
869				       ;
870		pCap->halWirelessModes |= HAL_MODE_11A
871				       |  HAL_MODE_11NA_HT20
872				       |  HAL_MODE_11NA_HT40PLUS
873				       |  HAL_MODE_11NA_HT40MINUS
874				       ;
875	}
876
877	pCap->halLow2GhzChan = 2312;
878	pCap->halHigh2GhzChan = 2732;
879
880	pCap->halLow5GhzChan = 4915;
881	pCap->halHigh5GhzChan = 6100;
882
883	pCap->halCipherCkipSupport = AH_FALSE;
884	pCap->halCipherTkipSupport = AH_TRUE;
885	pCap->halCipherAesCcmSupport = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
886
887	pCap->halMicCkipSupport    = AH_FALSE;
888	pCap->halMicTkipSupport    = AH_TRUE;
889	pCap->halMicAesCcmSupport  = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
890	/*
891	 * Starting with Griffin TX+RX mic keys can be combined
892	 * in one key cache slot.
893	 */
894	pCap->halTkipMicTxRxKeySupport = AH_TRUE;
895	pCap->halChanSpreadSupport = AH_TRUE;
896	pCap->halSleepAfterBeaconBroken = AH_TRUE;
897
898	pCap->halCompressSupport = AH_FALSE;
899	pCap->halBurstSupport = AH_TRUE;
900	pCap->halFastFramesSupport = AH_FALSE;	/* XXX? */
901	pCap->halChapTuningSupport = AH_TRUE;
902	pCap->halTurboPrimeSupport = AH_TRUE;
903
904	pCap->halTurboGSupport = pCap->halWirelessModes & HAL_MODE_108G;
905
906	pCap->halPSPollBroken = AH_TRUE;	/* XXX fixed in later revs? */
907	pCap->halNumMRRetries = 4;		/* Hardware supports 4 MRR */
908	pCap->halNumTxMaps = 1;			/* Single TX ptr per descr */
909	pCap->halVEOLSupport = AH_TRUE;
910	pCap->halBssIdMaskSupport = AH_TRUE;
911	pCap->halMcastKeySrchSupport = AH_TRUE;	/* Works on AR5416 and later */
912	pCap->halTsfAddSupport = AH_TRUE;
913	pCap->hal4AddrAggrSupport = AH_FALSE;	/* Broken in Owl */
914
915	if (ath_hal_eepromGet(ah, AR_EEP_MAXQCU, &val) == HAL_OK)
916		pCap->halTotalQueues = val;
917	else
918		pCap->halTotalQueues = HAL_NUM_TX_QUEUES;
919
920	if (ath_hal_eepromGet(ah, AR_EEP_KCENTRIES, &val) == HAL_OK)
921		pCap->halKeyCacheSize = val;
922	else
923		pCap->halKeyCacheSize = AR5416_KEYTABLE_SIZE;
924
925	/* XXX Which chips? */
926	pCap->halChanHalfRate = AH_TRUE;
927	pCap->halChanQuarterRate = AH_TRUE;
928
929	pCap->halTstampPrecision = 32;
930	pCap->halHwPhyCounterSupport = AH_TRUE;
931	pCap->halIntrMask = HAL_INT_COMMON
932			| HAL_INT_RX
933			| HAL_INT_TX
934			| HAL_INT_FATAL
935			| HAL_INT_BNR
936			| HAL_INT_BMISC
937			| HAL_INT_DTIMSYNC
938			| HAL_INT_TSFOOR
939			| HAL_INT_CST
940			| HAL_INT_GTT
941			;
942
943	pCap->halFastCCSupport = AH_TRUE;
944	pCap->halNumGpioPins = 14;
945	pCap->halWowSupport = AH_FALSE;
946	pCap->halWowMatchPatternExact = AH_FALSE;
947	pCap->halBtCoexSupport = AH_FALSE;	/* XXX need support */
948	pCap->halAutoSleepSupport = AH_FALSE;
949	pCap->hal4kbSplitTransSupport = AH_TRUE;
950	/* Disable this so Block-ACK works correctly */
951	pCap->halHasRxSelfLinkedTail = AH_FALSE;
952#if 0	/* XXX not yet */
953	pCap->halNumAntCfg2GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_2GHZ);
954	pCap->halNumAntCfg5GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_5GHZ);
955#endif
956	pCap->halHTSupport = AH_TRUE;
957	pCap->halTxChainMask = ath_hal_eepromGet(ah, AR_EEP_TXMASK, AH_NULL);
958	/* XXX CB71 uses GPIO 0 to indicate 3 rx chains */
959	pCap->halRxChainMask = ath_hal_eepromGet(ah, AR_EEP_RXMASK, AH_NULL);
960	/* AR5416 may have 3 antennas but is a 2x2 stream device */
961	pCap->halTxStreams = 2;
962	pCap->halRxStreams = 2;
963
964	/*
965	 * If the TX or RX chainmask has less than 2 chains active,
966	 * mark it as a 1-stream device for the relevant stream.
967	 */
968	if (owl_get_ntxchains(pCap->halTxChainMask) == 1)
969		pCap->halTxStreams = 1;
970	/* XXX Eww */
971	if (owl_get_ntxchains(pCap->halRxChainMask) == 1)
972		pCap->halRxStreams = 1;
973	pCap->halRtsAggrLimit = 8*1024;		/* Owl 2.0 limit */
974	pCap->halMbssidAggrSupport = AH_FALSE;	/* Broken on Owl */
975	pCap->halForcePpmSupport = AH_TRUE;
976	pCap->halEnhancedPmSupport = AH_TRUE;
977	pCap->halBssidMatchSupport = AH_TRUE;
978	pCap->halGTTSupport = AH_TRUE;
979	pCap->halCSTSupport = AH_TRUE;
980	pCap->halEnhancedDfsSupport = AH_FALSE;
981	/* Hardware supports 32 bit TSF values in the RX descriptor */
982	pCap->halHasLongRxDescTsf = AH_TRUE;
983	/*
984	 * BB Read WAR: this is only for AR5008/AR9001 NICs
985	 * It is also set individually in the AR91xx attach functions.
986	 */
987	if (AR_SREV_OWL(ah))
988		pCap->halHasBBReadWar = AH_TRUE;
989
990	if (ath_hal_eepromGetFlag(ah, AR_EEP_RFKILL) &&
991	    ath_hal_eepromGet(ah, AR_EEP_RFSILENT, &ahpriv->ah_rfsilent) == HAL_OK) {
992		/* NB: enabled by default */
993		ahpriv->ah_rfkillEnabled = AH_TRUE;
994		pCap->halRfSilentSupport = AH_TRUE;
995	}
996
997	/*
998	 * The MAC will mark frames as RXed if there's a descriptor
999	 * to write them to. So if it hits a self-linked final descriptor,
1000	 * it'll keep ACKing frames even though they're being silently
1001	 * dropped. Thus, this particular feature of the driver can't
1002	 * be used for 802.11n devices.
1003	 */
1004	ahpriv->ah_rxornIsFatal = AH_FALSE;
1005
1006	/*
1007	 * If it's a PCI NIC, ask the HAL OS layer to serialise
1008	 * register access, or SMP machines may cause the hardware
1009	 * to hang. This is applicable to AR5416 and AR9220; I'm not
1010	 * sure about AR9160 or AR9227.
1011	 */
1012	if (! AH_PRIVATE(ah)->ah_ispcie)
1013		pCap->halSerialiseRegWar = 1;
1014
1015	return AH_TRUE;
1016}
1017
1018static const char*
1019ar5416Probe(uint16_t vendorid, uint16_t devid)
1020{
1021	if (vendorid == ATHEROS_VENDOR_ID) {
1022		if (devid == AR5416_DEVID_PCI)
1023			return "Atheros 5416";
1024		if (devid == AR5416_DEVID_PCIE)
1025			return "Atheros 5418";
1026	}
1027	return AH_NULL;
1028}
1029AH_CHIP(AR5416, ar5416Probe, ar5416Attach);
1030