ar5416_attach.c revision 218763
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 218763 2011-02-17 05:52:53Z 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);
34static void ar5416WriteIni(struct ath_hal *ah,
35	    const struct ieee80211_channel *chan);
36static void ar5416SpurMitigate(struct ath_hal *ah,
37	    const struct ieee80211_channel *chan);
38
39static void
40ar5416AniSetup(struct ath_hal *ah)
41{
42	static const struct ar5212AniParams aniparams = {
43		.maxNoiseImmunityLevel	= 4,	/* levels 0..4 */
44		.totalSizeDesired	= { -55, -55, -55, -55, -62 },
45		.coarseHigh		= { -14, -14, -14, -14, -12 },
46		.coarseLow		= { -64, -64, -64, -64, -70 },
47		.firpwr			= { -78, -78, -78, -78, -80 },
48		.maxSpurImmunityLevel	= 2,
49		.cycPwrThr1		= { 2, 4, 6 },
50		.maxFirstepLevel	= 2,	/* levels 0..2 */
51		.firstep		= { 0, 4, 8 },
52		.ofdmTrigHigh		= 500,
53		.ofdmTrigLow		= 200,
54		.cckTrigHigh		= 200,
55		.cckTrigLow		= 100,
56		.rssiThrHigh		= 40,
57		.rssiThrLow		= 7,
58		.period			= 100,
59	};
60	/* NB: ANI is not enabled yet */
61	ar5416AniAttach(ah, &aniparams, &aniparams, AH_FALSE);
62}
63
64/*
65 * Attach for an AR5416 part.
66 */
67void
68ar5416InitState(struct ath_hal_5416 *ahp5416, uint16_t devid, HAL_SOFTC sc,
69	HAL_BUS_TAG st, HAL_BUS_HANDLE sh, HAL_STATUS *status)
70{
71	struct ath_hal_5212 *ahp;
72	struct ath_hal *ah;
73
74	ahp = &ahp5416->ah_5212;
75	ar5212InitState(ahp, devid, sc, st, sh, status);
76	ah = &ahp->ah_priv.h;
77
78	/* override 5212 methods for our needs */
79	ah->ah_magic			= AR5416_MAGIC;
80	ah->ah_getRateTable		= ar5416GetRateTable;
81	ah->ah_detach			= ar5416Detach;
82
83	/* Reset functions */
84	ah->ah_reset			= ar5416Reset;
85	ah->ah_phyDisable		= ar5416PhyDisable;
86	ah->ah_disable			= ar5416Disable;
87	ah->ah_configPCIE		= ar5416ConfigPCIE;
88	ah->ah_perCalibration		= ar5416PerCalibration;
89	ah->ah_perCalibrationN		= ar5416PerCalibrationN,
90	ah->ah_resetCalValid		= ar5416ResetCalValid,
91	ah->ah_setTxPowerLimit		= ar5416SetTxPowerLimit;
92	ah->ah_setTxPower		= ar5416SetTransmitPower;
93	ah->ah_setBoardValues		= ar5416SetBoardValues;
94
95	/* Transmit functions */
96	ah->ah_stopTxDma		= ar5416StopTxDma;
97	ah->ah_setupTxDesc		= ar5416SetupTxDesc;
98	ah->ah_setupXTxDesc		= ar5416SetupXTxDesc;
99	ah->ah_fillTxDesc		= ar5416FillTxDesc;
100	ah->ah_procTxDesc		= ar5416ProcTxDesc;
101	ah->ah_getTxCompletionRates	= ar5416GetTxCompletionRates;
102
103	/* Receive Functions */
104	ah->ah_startPcuReceive		= ar5416StartPcuReceive;
105	ah->ah_stopPcuReceive		= ar5416StopPcuReceive;
106	ah->ah_setupRxDesc		= ar5416SetupRxDesc;
107	ah->ah_procRxDesc		= ar5416ProcRxDesc;
108	ah->ah_rxMonitor		= ar5416RxMonitor;
109	ah->ah_aniPoll			= ar5416AniPoll;
110	ah->ah_procMibEvent		= ar5416ProcessMibIntr;
111
112	/* Misc Functions */
113	ah->ah_getCapability		= ar5416GetCapability;
114	ah->ah_getDiagState		= ar5416GetDiagState;
115	ah->ah_setLedState		= ar5416SetLedState;
116	ah->ah_gpioCfgOutput		= ar5416GpioCfgOutput;
117	ah->ah_gpioCfgInput		= ar5416GpioCfgInput;
118	ah->ah_gpioGet			= ar5416GpioGet;
119	ah->ah_gpioSet			= ar5416GpioSet;
120	ah->ah_gpioSetIntr		= ar5416GpioSetIntr;
121	ah->ah_resetTsf			= ar5416ResetTsf;
122	ah->ah_getRfGain		= ar5416GetRfgain;
123	ah->ah_setAntennaSwitch		= ar5416SetAntennaSwitch;
124	ah->ah_setDecompMask		= ar5416SetDecompMask;
125	ah->ah_setCoverageClass		= ar5416SetCoverageClass;
126
127	ah->ah_resetKeyCacheEntry	= ar5416ResetKeyCacheEntry;
128	ah->ah_setKeyCacheEntry		= ar5416SetKeyCacheEntry;
129
130	/* Power Management Functions */
131	ah->ah_setPowerMode		= ar5416SetPowerMode;
132
133	/* Beacon Management Functions */
134	ah->ah_setBeaconTimers		= ar5416SetBeaconTimers;
135	ah->ah_beaconInit		= ar5416BeaconInit;
136	ah->ah_setStationBeaconTimers	= ar5416SetStaBeaconTimers;
137	ah->ah_resetStationBeaconTimers	= ar5416ResetStaBeaconTimers;
138
139	/* 802.11n Functions */
140	ah->ah_chainTxDesc		= ar5416ChainTxDesc;
141	ah->ah_setupFirstTxDesc		= ar5416SetupFirstTxDesc;
142	ah->ah_setupLastTxDesc		= ar5416SetupLastTxDesc;
143	ah->ah_set11nRateScenario	= ar5416Set11nRateScenario;
144	ah->ah_set11nAggrMiddle		= ar5416Set11nAggrMiddle;
145	ah->ah_clr11nAggr		= ar5416Clr11nAggr;
146	ah->ah_set11nBurstDuration	= ar5416Set11nBurstDuration;
147	ah->ah_get11nExtBusy		= ar5416Get11nExtBusy;
148	ah->ah_set11nMac2040		= ar5416Set11nMac2040;
149	ah->ah_get11nRxClear		= ar5416Get11nRxClear;
150	ah->ah_set11nRxClear		= ar5416Set11nRxClear;
151
152	/* Interrupt functions */
153	ah->ah_isInterruptPending	= ar5416IsInterruptPending;
154	ah->ah_getPendingInterrupts	= ar5416GetPendingInterrupts;
155	ah->ah_setInterrupts		= ar5416SetInterrupts;
156
157	ahp->ah_priv.ah_getWirelessModes= ar5416GetWirelessModes;
158	ahp->ah_priv.ah_eepromRead	= ar5416EepromRead;
159#ifdef AH_SUPPORT_WRITE_EEPROM
160	ahp->ah_priv.ah_eepromWrite	= ar5416EepromWrite;
161#endif
162	ahp->ah_priv.ah_getChipPowerLimits = ar5416GetChipPowerLimits;
163
164	AH5416(ah)->ah_writeIni		= ar5416WriteIni;
165	AH5416(ah)->ah_spurMitigate	= ar5416SpurMitigate;
166	/*
167	 * Start by setting all Owl devices to 2x2
168	 */
169	AH5416(ah)->ah_rx_chainmask = AR5416_DEFAULT_RXCHAINMASK;
170	AH5416(ah)->ah_tx_chainmask = AR5416_DEFAULT_TXCHAINMASK;
171
172	/* Enable all ANI functions to begin with */
173	AH5416(ah)->ah_ani_function = HAL_ANI_ALL;
174}
175
176uint32_t
177ar5416GetRadioRev(struct ath_hal *ah)
178{
179	uint32_t val;
180	int i;
181
182	/* Read Radio Chip Rev Extract */
183	OS_REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
184	for (i = 0; i < 8; i++)
185		OS_REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
186	val = (OS_REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
187	val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
188	return ath_hal_reverseBits(val, 8);
189}
190
191/*
192 * Attach for an AR5416 part.
193 */
194static struct ath_hal *
195ar5416Attach(uint16_t devid, HAL_SOFTC sc,
196	HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
197	HAL_STATUS *status)
198{
199	struct ath_hal_5416 *ahp5416;
200	struct ath_hal_5212 *ahp;
201	struct ath_hal *ah;
202	uint32_t val;
203	HAL_STATUS ecode;
204	HAL_BOOL rfStatus;
205
206	HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
207	    __func__, sc, (void*) st, (void*) sh);
208
209	/* NB: memory is returned zero'd */
210	ahp5416 = ath_hal_malloc(sizeof (struct ath_hal_5416) +
211		/* extra space for Owl 2.1/2.2 WAR */
212		sizeof(ar5416Addac)
213	);
214	if (ahp5416 == AH_NULL) {
215		HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
216		    "%s: cannot allocate memory for state block\n", __func__);
217		*status = HAL_ENOMEM;
218		return AH_NULL;
219	}
220	ar5416InitState(ahp5416, devid, sc, st, sh, status);
221	ahp = &ahp5416->ah_5212;
222	ah = &ahp->ah_priv.h;
223
224	if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
225		/* reset chip */
226		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n", __func__);
227		ecode = HAL_EIO;
228		goto bad;
229	}
230
231	if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
232		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n", __func__);
233		ecode = HAL_EIO;
234		goto bad;
235	}
236	/* Read Revisions from Chips before taking out of reset */
237	val = OS_REG_READ(ah, AR_SREV) & AR_SREV_ID;
238	AH_PRIVATE(ah)->ah_macVersion = val >> AR_SREV_ID_S;
239	AH_PRIVATE(ah)->ah_macRev = val & AR_SREV_REVISION;
240	AH_PRIVATE(ah)->ah_ispcie = (devid == AR5416_DEVID_PCIE);
241
242	/* setup common ini data; rf backends handle remainder */
243	HAL_INI_INIT(&ahp->ah_ini_modes, ar5416Modes, 6);
244	HAL_INI_INIT(&ahp->ah_ini_common, ar5416Common, 2);
245
246	HAL_INI_INIT(&AH5416(ah)->ah_ini_bb_rfgain, ar5416BB_RfGain, 3);
247	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank0, ar5416Bank0, 2);
248	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank1, ar5416Bank1, 2);
249	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank2, ar5416Bank2, 2);
250	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank3, ar5416Bank3, 3);
251	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank6, ar5416Bank6, 3);
252	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank7, ar5416Bank7, 2);
253	HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar5416Addac, 2);
254
255	if (!IS_5416V2_2(ah)) {		/* Owl 2.1/2.0 */
256		struct ini {
257			uint32_t	*data;		/* NB: !const */
258			int		rows, cols;
259		};
260		/* override CLKDRV value */
261		OS_MEMCPY(&AH5416(ah)[1], ar5416Addac, sizeof(ar5416Addac));
262		AH5416(ah)->ah_ini_addac.data = (uint32_t *) &AH5416(ah)[1];
263		HAL_INI_VAL((struct ini *)&AH5416(ah)->ah_ini_addac, 31, 1) = 0;
264	}
265
266	HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes, ar5416PciePhy, 2);
267	ar5416AttachPCIE(ah);
268
269	ecode = ath_hal_v14EepromAttach(ah);
270	if (ecode != HAL_OK)
271		goto bad;
272
273	if (!ar5416ChipReset(ah, AH_NULL)) {	/* reset chip */
274		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n",
275		    __func__);
276		ecode = HAL_EIO;
277		goto bad;
278	}
279
280	AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
281
282	if (!ar5212ChipTest(ah)) {
283		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
284		    __func__);
285		ecode = HAL_ESELFTEST;
286		goto bad;
287	}
288
289	/*
290	 * Set correct Baseband to analog shift
291	 * setting to access analog chips.
292	 */
293	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
294
295	/* Read Radio Chip Rev Extract */
296	AH_PRIVATE(ah)->ah_analog5GhzRev = ar5212GetRadioRev(ah);
297	switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
298        case AR_RAD5122_SREV_MAJOR:	/* Fowl: 5G/2x2 */
299        case AR_RAD2122_SREV_MAJOR:	/* Fowl: 2+5G/2x2 */
300        case AR_RAD2133_SREV_MAJOR:	/* Fowl: 2G/3x3 */
301	case AR_RAD5133_SREV_MAJOR:	/* Fowl: 2+5G/3x3 */
302		break;
303	default:
304		if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
305			/*
306			 * When RF_Silen is used the analog chip is reset.
307			 * So when the system boots with radio switch off
308			 * the RF chip rev reads back as zero and we need
309			 * to use the mac+phy revs to set the radio rev.
310			 */
311			AH_PRIVATE(ah)->ah_analog5GhzRev =
312				AR_RAD5133_SREV_MAJOR;
313			break;
314		}
315		/* NB: silently accept anything in release code per Atheros */
316#ifdef AH_DEBUG
317		HALDEBUG(ah, HAL_DEBUG_ANY,
318		    "%s: 5G Radio Chip Rev 0x%02X is not supported by "
319		    "this driver\n", __func__,
320		    AH_PRIVATE(ah)->ah_analog5GhzRev);
321		ecode = HAL_ENOTSUPP;
322		goto bad;
323#endif
324	}
325
326	/*
327	 * Got everything we need now to setup the capabilities.
328	 */
329	if (!ar5416FillCapabilityInfo(ah)) {
330		ecode = HAL_EEREAD;
331		goto bad;
332	}
333
334	ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
335	if (ecode != HAL_OK) {
336		HALDEBUG(ah, HAL_DEBUG_ANY,
337		    "%s: error getting mac address from EEPROM\n", __func__);
338		goto bad;
339        }
340	/* XXX How about the serial number ? */
341	/* Read Reg Domain */
342	AH_PRIVATE(ah)->ah_currentRD =
343	    ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
344
345	/*
346	 * ah_miscMode is populated by ar5416FillCapabilityInfo()
347	 * starting from griffin. Set here to make sure that
348	 * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
349	 * placed into hardware.
350	 */
351	if (ahp->ah_miscMode != 0)
352		OS_REG_WRITE(ah, AR_MISC_MODE, ahp->ah_miscMode);
353
354	rfStatus = ar2133RfAttach(ah, &ecode);
355	if (!rfStatus) {
356		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
357		    __func__, ecode);
358		goto bad;
359	}
360
361	ar5416AniSetup(ah);			/* Anti Noise Immunity */
362
363	AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ;
364	AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ;
365	AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_5416_2GHZ;
366	AH5416(ah)->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ;
367	AH5416(ah)->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ;
368	AH5416(ah)->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_5416_5GHZ;
369
370	ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
371
372	HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
373
374	return ah;
375bad:
376	if (ahp)
377		ar5416Detach((struct ath_hal *) ahp);
378	if (status)
379		*status = ecode;
380	return AH_NULL;
381}
382
383void
384ar5416Detach(struct ath_hal *ah)
385{
386	HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s:\n", __func__);
387
388	HALASSERT(ah != AH_NULL);
389	HALASSERT(ah->ah_magic == AR5416_MAGIC);
390
391	ar5416AniDetach(ah);
392	ar5212RfDetach(ah);
393	ah->ah_disable(ah);
394	ar5416SetPowerMode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
395	ath_hal_eepromDetach(ah);
396	ath_hal_free(ah);
397}
398
399void
400ar5416AttachPCIE(struct ath_hal *ah)
401{
402	if (AH_PRIVATE(ah)->ah_ispcie)
403		ath_hal_configPCIE(ah, AH_FALSE);
404	else
405		ath_hal_disablePCIE(ah);
406}
407
408static void
409ar5416ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore)
410{
411	if (AH_PRIVATE(ah)->ah_ispcie && !restore) {
412		ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0);
413		OS_DELAY(1000);
414		OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
415		OS_REG_WRITE(ah, AR_WA, AR_WA_DEFAULT);
416	}
417}
418
419static void
420ar5416WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan)
421{
422	u_int modesIndex, freqIndex;
423	int regWrites = 0;
424
425	/* Setup the indices for the next set of register array writes */
426	/* XXX Ignore 11n dynamic mode on the AR5416 for the moment */
427	if (IEEE80211_IS_CHAN_2GHZ(chan)) {
428		freqIndex = 2;
429		if (IEEE80211_IS_CHAN_HT40(chan))
430			modesIndex = 3;
431		else if (IEEE80211_IS_CHAN_108G(chan))
432			modesIndex = 5;
433		else
434			modesIndex = 4;
435	} else {
436		freqIndex = 1;
437		if (IEEE80211_IS_CHAN_HT40(chan) ||
438		    IEEE80211_IS_CHAN_TURBO(chan))
439			modesIndex = 2;
440		else
441			modesIndex = 1;
442	}
443
444	/* Set correct Baseband to analog shift setting to access analog chips. */
445	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
446
447	/*
448	 * Write addac shifts
449	 */
450	OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
451#if 0
452	/* NB: only required for Sowl */
453	ar5416EepromSetAddac(ah, chan);
454#endif
455	regWrites = ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_addac, 1,
456	    regWrites);
457	OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
458
459	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes,
460	    modesIndex, regWrites);
461	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common,
462	    1, regWrites);
463
464	/* XXX updated regWrites? */
465	AH5212(ah)->ah_rfHal->writeRegs(ah, modesIndex, freqIndex, regWrites);
466}
467
468/*
469 * Convert to baseband spur frequency given input channel frequency
470 * and compute register settings below.
471 */
472
473static void
474ar5416SpurMitigate(struct ath_hal *ah, const struct ieee80211_channel *chan)
475{
476    uint16_t freq = ath_hal_gethwchannel(ah, chan);
477    static const int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
478                AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60 };
479    static const int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
480                AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60 };
481    static const int inc[4] = { 0, 100, 0, 0 };
482
483    int bb_spur = AR_NO_SPUR;
484    int bin, cur_bin;
485    int spur_freq_sd;
486    int spur_delta_phase;
487    int denominator;
488    int upper, lower, cur_vit_mask;
489    int tmp, new;
490    int i;
491
492    int8_t mask_m[123];
493    int8_t mask_p[123];
494    int8_t mask_amt;
495    int tmp_mask;
496    int cur_bb_spur;
497    HAL_BOOL is2GHz = IEEE80211_IS_CHAN_2GHZ(chan);
498
499    OS_MEMZERO(mask_m, sizeof(mask_m));
500    OS_MEMZERO(mask_p, sizeof(mask_p));
501
502    /*
503     * Need to verify range +/- 9.5 for static ht20, otherwise spur
504     * is out-of-band and can be ignored.
505     */
506    /* XXX ath9k changes */
507    for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) {
508        cur_bb_spur = ath_hal_getSpurChan(ah, i, is2GHz);
509        if (AR_NO_SPUR == cur_bb_spur)
510            break;
511        cur_bb_spur = cur_bb_spur - (freq * 10);
512        if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
513            bb_spur = cur_bb_spur;
514            break;
515        }
516    }
517    if (AR_NO_SPUR == bb_spur)
518        return;
519
520    bin = bb_spur * 32;
521
522    tmp = OS_REG_READ(ah, AR_PHY_TIMING_CTRL4_CHAIN(0));
523    new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
524        AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
525        AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
526        AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
527
528    OS_REG_WRITE(ah, AR_PHY_TIMING_CTRL4_CHAIN(0), new);
529
530    new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
531        AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
532        AR_PHY_SPUR_REG_MASK_RATE_SELECT |
533        AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
534        SM(AR5416_SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
535    OS_REG_WRITE(ah, AR_PHY_SPUR_REG, new);
536    /*
537     * Should offset bb_spur by +/- 10 MHz for dynamic 2040 MHz
538     * config, no offset for HT20.
539     * spur_delta_phase = bb_spur/40 * 2**21 for static ht20,
540     * /80 for dyn2040.
541     */
542    spur_delta_phase = ((bb_spur * 524288) / 100) &
543        AR_PHY_TIMING11_SPUR_DELTA_PHASE;
544    /*
545     * in 11A mode the denominator of spur_freq_sd should be 40 and
546     * it should be 44 in 11G
547     */
548    denominator = IEEE80211_IS_CHAN_2GHZ(chan) ? 440 : 400;
549    spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
550
551    new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
552        SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
553        SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
554    OS_REG_WRITE(ah, AR_PHY_TIMING11, new);
555
556
557    /*
558     * ============================================
559     * pilot mask 1 [31:0] = +6..-26, no 0 bin
560     * pilot mask 2 [19:0] = +26..+7
561     *
562     * channel mask 1 [31:0] = +6..-26, no 0 bin
563     * channel mask 2 [19:0] = +26..+7
564     */
565    //cur_bin = -26;
566    cur_bin = -6000;
567    upper = bin + 100;
568    lower = bin - 100;
569
570    for (i = 0; i < 4; i++) {
571        int pilot_mask = 0;
572        int chan_mask  = 0;
573        int bp         = 0;
574        for (bp = 0; bp < 30; bp++) {
575            if ((cur_bin > lower) && (cur_bin < upper)) {
576                pilot_mask = pilot_mask | 0x1 << bp;
577                chan_mask  = chan_mask | 0x1 << bp;
578            }
579            cur_bin += 100;
580        }
581        cur_bin += inc[i];
582        OS_REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
583        OS_REG_WRITE(ah, chan_mask_reg[i], chan_mask);
584    }
585
586    /* =================================================
587     * viterbi mask 1 based on channel magnitude
588     * four levels 0-3
589     *  - mask (-27 to 27) (reg 64,0x9900 to 67,0x990c)
590     *      [1 2 2 1] for -9.6 or [1 2 1] for +16
591     *  - enable_mask_ppm, all bins move with freq
592     *
593     *  - mask_select,    8 bits for rates (reg 67,0x990c)
594     *  - mask_rate_cntl, 8 bits for rates (reg 67,0x990c)
595     *      choose which mask to use mask or mask2
596     */
597
598    /*
599     * viterbi mask 2  2nd set for per data rate puncturing
600     * four levels 0-3
601     *  - mask_select, 8 bits for rates (reg 67)
602     *  - mask (-27 to 27) (reg 98,0x9988 to 101,0x9994)
603     *      [1 2 2 1] for -9.6 or [1 2 1] for +16
604     */
605    cur_vit_mask = 6100;
606    upper        = bin + 120;
607    lower        = bin - 120;
608
609    for (i = 0; i < 123; i++) {
610        if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
611            if ((abs(cur_vit_mask - bin)) < 75) {
612                mask_amt = 1;
613            } else {
614                mask_amt = 0;
615            }
616            if (cur_vit_mask < 0) {
617                mask_m[abs(cur_vit_mask / 100)] = mask_amt;
618            } else {
619                mask_p[cur_vit_mask / 100] = mask_amt;
620            }
621        }
622        cur_vit_mask -= 100;
623    }
624
625    tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
626          | (mask_m[48] << 26) | (mask_m[49] << 24)
627          | (mask_m[50] << 22) | (mask_m[51] << 20)
628          | (mask_m[52] << 18) | (mask_m[53] << 16)
629          | (mask_m[54] << 14) | (mask_m[55] << 12)
630          | (mask_m[56] << 10) | (mask_m[57] <<  8)
631          | (mask_m[58] <<  6) | (mask_m[59] <<  4)
632          | (mask_m[60] <<  2) | (mask_m[61] <<  0);
633    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
634    OS_REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
635
636    tmp_mask =             (mask_m[31] << 28)
637          | (mask_m[32] << 26) | (mask_m[33] << 24)
638          | (mask_m[34] << 22) | (mask_m[35] << 20)
639          | (mask_m[36] << 18) | (mask_m[37] << 16)
640          | (mask_m[48] << 14) | (mask_m[39] << 12)
641          | (mask_m[40] << 10) | (mask_m[41] <<  8)
642          | (mask_m[42] <<  6) | (mask_m[43] <<  4)
643          | (mask_m[44] <<  2) | (mask_m[45] <<  0);
644    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
645    OS_REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
646
647    tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
648          | (mask_m[18] << 26) | (mask_m[18] << 24)
649          | (mask_m[20] << 22) | (mask_m[20] << 20)
650          | (mask_m[22] << 18) | (mask_m[22] << 16)
651          | (mask_m[24] << 14) | (mask_m[24] << 12)
652          | (mask_m[25] << 10) | (mask_m[26] <<  8)
653          | (mask_m[27] <<  6) | (mask_m[28] <<  4)
654          | (mask_m[29] <<  2) | (mask_m[30] <<  0);
655    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
656    OS_REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
657
658    tmp_mask = (mask_m[ 0] << 30) | (mask_m[ 1] << 28)
659          | (mask_m[ 2] << 26) | (mask_m[ 3] << 24)
660          | (mask_m[ 4] << 22) | (mask_m[ 5] << 20)
661          | (mask_m[ 6] << 18) | (mask_m[ 7] << 16)
662          | (mask_m[ 8] << 14) | (mask_m[ 9] << 12)
663          | (mask_m[10] << 10) | (mask_m[11] <<  8)
664          | (mask_m[12] <<  6) | (mask_m[13] <<  4)
665          | (mask_m[14] <<  2) | (mask_m[15] <<  0);
666    OS_REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
667    OS_REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
668
669    tmp_mask =             (mask_p[15] << 28)
670          | (mask_p[14] << 26) | (mask_p[13] << 24)
671          | (mask_p[12] << 22) | (mask_p[11] << 20)
672          | (mask_p[10] << 18) | (mask_p[ 9] << 16)
673          | (mask_p[ 8] << 14) | (mask_p[ 7] << 12)
674          | (mask_p[ 6] << 10) | (mask_p[ 5] <<  8)
675          | (mask_p[ 4] <<  6) | (mask_p[ 3] <<  4)
676          | (mask_p[ 2] <<  2) | (mask_p[ 1] <<  0);
677    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
678    OS_REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
679
680    tmp_mask =             (mask_p[30] << 28)
681          | (mask_p[29] << 26) | (mask_p[28] << 24)
682          | (mask_p[27] << 22) | (mask_p[26] << 20)
683          | (mask_p[25] << 18) | (mask_p[24] << 16)
684          | (mask_p[23] << 14) | (mask_p[22] << 12)
685          | (mask_p[21] << 10) | (mask_p[20] <<  8)
686          | (mask_p[19] <<  6) | (mask_p[18] <<  4)
687          | (mask_p[17] <<  2) | (mask_p[16] <<  0);
688    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
689    OS_REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
690
691    tmp_mask =             (mask_p[45] << 28)
692          | (mask_p[44] << 26) | (mask_p[43] << 24)
693          | (mask_p[42] << 22) | (mask_p[41] << 20)
694          | (mask_p[40] << 18) | (mask_p[39] << 16)
695          | (mask_p[38] << 14) | (mask_p[37] << 12)
696          | (mask_p[36] << 10) | (mask_p[35] <<  8)
697          | (mask_p[34] <<  6) | (mask_p[33] <<  4)
698          | (mask_p[32] <<  2) | (mask_p[31] <<  0);
699    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
700    OS_REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
701
702    tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
703          | (mask_p[59] << 26) | (mask_p[58] << 24)
704          | (mask_p[57] << 22) | (mask_p[56] << 20)
705          | (mask_p[55] << 18) | (mask_p[54] << 16)
706          | (mask_p[53] << 14) | (mask_p[52] << 12)
707          | (mask_p[51] << 10) | (mask_p[50] <<  8)
708          | (mask_p[49] <<  6) | (mask_p[48] <<  4)
709          | (mask_p[47] <<  2) | (mask_p[46] <<  0);
710    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
711    OS_REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
712}
713
714/*
715 * Fill all software cached or static hardware state information.
716 * Return failure if capabilities are to come from EEPROM and
717 * cannot be read.
718 */
719HAL_BOOL
720ar5416FillCapabilityInfo(struct ath_hal *ah)
721{
722	struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
723	HAL_CAPABILITIES *pCap = &ahpriv->ah_caps;
724	uint16_t val;
725
726	/* Construct wireless mode from EEPROM */
727	pCap->halWirelessModes = 0;
728	if (ath_hal_eepromGetFlag(ah, AR_EEP_AMODE)) {
729		pCap->halWirelessModes |= HAL_MODE_11A
730				       |  HAL_MODE_11NA_HT20
731				       |  HAL_MODE_11NA_HT40PLUS
732				       |  HAL_MODE_11NA_HT40MINUS
733				       ;
734	}
735	if (ath_hal_eepromGetFlag(ah, AR_EEP_GMODE)) {
736		pCap->halWirelessModes |= HAL_MODE_11G
737				       |  HAL_MODE_11NG_HT20
738				       |  HAL_MODE_11NG_HT40PLUS
739				       |  HAL_MODE_11NG_HT40MINUS
740				       ;
741		pCap->halWirelessModes |= HAL_MODE_11A
742				       |  HAL_MODE_11NA_HT20
743				       |  HAL_MODE_11NA_HT40PLUS
744				       |  HAL_MODE_11NA_HT40MINUS
745				       ;
746	}
747
748	pCap->halLow2GhzChan = 2312;
749	pCap->halHigh2GhzChan = 2732;
750
751	pCap->halLow5GhzChan = 4915;
752	pCap->halHigh5GhzChan = 6100;
753
754	pCap->halCipherCkipSupport = AH_FALSE;
755	pCap->halCipherTkipSupport = AH_TRUE;
756	pCap->halCipherAesCcmSupport = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
757
758	pCap->halMicCkipSupport    = AH_FALSE;
759	pCap->halMicTkipSupport    = AH_TRUE;
760	pCap->halMicAesCcmSupport  = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
761	/*
762	 * Starting with Griffin TX+RX mic keys can be combined
763	 * in one key cache slot.
764	 */
765	pCap->halTkipMicTxRxKeySupport = AH_TRUE;
766	pCap->halChanSpreadSupport = AH_TRUE;
767	pCap->halSleepAfterBeaconBroken = AH_TRUE;
768
769	pCap->halCompressSupport = AH_FALSE;
770	pCap->halBurstSupport = AH_TRUE;
771	pCap->halFastFramesSupport = AH_FALSE;	/* XXX? */
772	pCap->halChapTuningSupport = AH_TRUE;
773	pCap->halTurboPrimeSupport = AH_TRUE;
774
775	pCap->halTurboGSupport = pCap->halWirelessModes & HAL_MODE_108G;
776
777	pCap->halPSPollBroken = AH_TRUE;	/* XXX fixed in later revs? */
778	pCap->halVEOLSupport = AH_TRUE;
779	pCap->halBssIdMaskSupport = AH_TRUE;
780	pCap->halMcastKeySrchSupport = AH_FALSE;
781	pCap->halTsfAddSupport = AH_TRUE;
782
783	if (ath_hal_eepromGet(ah, AR_EEP_MAXQCU, &val) == HAL_OK)
784		pCap->halTotalQueues = val;
785	else
786		pCap->halTotalQueues = HAL_NUM_TX_QUEUES;
787
788	if (ath_hal_eepromGet(ah, AR_EEP_KCENTRIES, &val) == HAL_OK)
789		pCap->halKeyCacheSize = val;
790	else
791		pCap->halKeyCacheSize = AR5416_KEYTABLE_SIZE;
792
793	/* XXX not needed */
794	pCap->halChanHalfRate = AH_FALSE;	/* XXX ? */
795	pCap->halChanQuarterRate = AH_FALSE;	/* XXX ? */
796
797	pCap->halTstampPrecision = 32;
798	pCap->halHwPhyCounterSupport = AH_TRUE;
799	pCap->halIntrMask = HAL_INT_COMMON
800			| HAL_INT_RX
801			| HAL_INT_TX
802			| HAL_INT_FATAL
803			| HAL_INT_BNR
804			| HAL_INT_BMISC
805			| HAL_INT_DTIMSYNC
806			| HAL_INT_TSFOOR
807			| HAL_INT_CST
808			| HAL_INT_GTT
809			;
810
811	pCap->halFastCCSupport = AH_TRUE;
812	pCap->halNumGpioPins = 6;
813	pCap->halWowSupport = AH_FALSE;
814	pCap->halWowMatchPatternExact = AH_FALSE;
815	pCap->halBtCoexSupport = AH_FALSE;	/* XXX need support */
816	pCap->halAutoSleepSupport = AH_FALSE;
817	pCap->hal4kbSplitTransSupport = AH_TRUE;
818#if 0	/* XXX not yet */
819	pCap->halNumAntCfg2GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_2GHZ);
820	pCap->halNumAntCfg5GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_5GHZ);
821#endif
822	pCap->halHTSupport = AH_TRUE;
823	pCap->halTxChainMask = ath_hal_eepromGet(ah, AR_EEP_TXMASK, AH_NULL);
824	/* XXX CB71 uses GPIO 0 to indicate 3 rx chains */
825	pCap->halRxChainMask = ath_hal_eepromGet(ah, AR_EEP_RXMASK, AH_NULL);
826	/* AR5416 may have 3 antennas but is a 2x2 stream device */
827	pCap->halTxStreams = 2;
828	pCap->halRxStreams = 2;
829	pCap->halRtsAggrLimit = 8*1024;		/* Owl 2.0 limit */
830	pCap->halMbssidAggrSupport = AH_TRUE;
831	pCap->halForcePpmSupport = AH_TRUE;
832	pCap->halEnhancedPmSupport = AH_TRUE;
833	pCap->halBssidMatchSupport = AH_TRUE;
834
835	if (ath_hal_eepromGetFlag(ah, AR_EEP_RFKILL) &&
836	    ath_hal_eepromGet(ah, AR_EEP_RFSILENT, &ahpriv->ah_rfsilent) == HAL_OK) {
837		/* NB: enabled by default */
838		ahpriv->ah_rfkillEnabled = AH_TRUE;
839		pCap->halRfSilentSupport = AH_TRUE;
840	}
841
842	ahpriv->ah_rxornIsFatal = AH_FALSE;
843
844	return AH_TRUE;
845}
846
847static const char*
848ar5416Probe(uint16_t vendorid, uint16_t devid)
849{
850	if (vendorid == ATHEROS_VENDOR_ID &&
851	    (devid == AR5416_DEVID_PCI || devid == AR5416_DEVID_PCIE))
852		return "Atheros 5416";
853	return AH_NULL;
854}
855AH_CHIP(AR5416, ar5416Probe, ar5416Attach);
856