ar5416_attach.c revision 219393
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 219393 2011-03-08 06:59:59Z 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 * AR5416 doesn't do OLC or temperature compensation.
66 */
67static void
68ar5416olcInit(struct ath_hal *ah)
69{
70}
71
72static void
73ar5416olcTempCompensation(struct ath_hal *ah)
74{
75}
76
77/*
78 * Attach for an AR5416 part.
79 */
80void
81ar5416InitState(struct ath_hal_5416 *ahp5416, uint16_t devid, HAL_SOFTC sc,
82	HAL_BUS_TAG st, HAL_BUS_HANDLE sh, HAL_STATUS *status)
83{
84	struct ath_hal_5212 *ahp;
85	struct ath_hal *ah;
86
87	ahp = &ahp5416->ah_5212;
88	ar5212InitState(ahp, devid, sc, st, sh, status);
89	ah = &ahp->ah_priv.h;
90
91	/* override 5212 methods for our needs */
92	ah->ah_magic			= AR5416_MAGIC;
93	ah->ah_getRateTable		= ar5416GetRateTable;
94	ah->ah_detach			= ar5416Detach;
95
96	/* Reset functions */
97	ah->ah_reset			= ar5416Reset;
98	ah->ah_phyDisable		= ar5416PhyDisable;
99	ah->ah_disable			= ar5416Disable;
100	ah->ah_configPCIE		= ar5416ConfigPCIE;
101	ah->ah_perCalibration		= ar5416PerCalibration;
102	ah->ah_perCalibrationN		= ar5416PerCalibrationN,
103	ah->ah_resetCalValid		= ar5416ResetCalValid,
104	ah->ah_setTxPowerLimit		= ar5416SetTxPowerLimit;
105	ah->ah_setTxPower		= ar5416SetTransmitPower;
106	ah->ah_setBoardValues		= ar5416SetBoardValues;
107
108	/* Transmit functions */
109	ah->ah_stopTxDma		= ar5416StopTxDma;
110	ah->ah_setupTxDesc		= ar5416SetupTxDesc;
111	ah->ah_setupXTxDesc		= ar5416SetupXTxDesc;
112	ah->ah_fillTxDesc		= ar5416FillTxDesc;
113	ah->ah_procTxDesc		= ar5416ProcTxDesc;
114	ah->ah_getTxCompletionRates	= ar5416GetTxCompletionRates;
115
116	/* Receive Functions */
117	ah->ah_startPcuReceive		= ar5416StartPcuReceive;
118	ah->ah_stopPcuReceive		= ar5416StopPcuReceive;
119	ah->ah_setupRxDesc		= ar5416SetupRxDesc;
120	ah->ah_procRxDesc		= ar5416ProcRxDesc;
121	ah->ah_rxMonitor		= ar5416RxMonitor;
122	ah->ah_aniPoll			= ar5416AniPoll;
123	ah->ah_procMibEvent		= ar5416ProcessMibIntr;
124
125	/* Misc Functions */
126	ah->ah_getCapability		= ar5416GetCapability;
127	ah->ah_getDiagState		= ar5416GetDiagState;
128	ah->ah_setLedState		= ar5416SetLedState;
129	ah->ah_gpioCfgOutput		= ar5416GpioCfgOutput;
130	ah->ah_gpioCfgInput		= ar5416GpioCfgInput;
131	ah->ah_gpioGet			= ar5416GpioGet;
132	ah->ah_gpioSet			= ar5416GpioSet;
133	ah->ah_gpioSetIntr		= ar5416GpioSetIntr;
134	ah->ah_resetTsf			= ar5416ResetTsf;
135	ah->ah_getRfGain		= ar5416GetRfgain;
136	ah->ah_setAntennaSwitch		= ar5416SetAntennaSwitch;
137	ah->ah_setDecompMask		= ar5416SetDecompMask;
138	ah->ah_setCoverageClass		= ar5416SetCoverageClass;
139
140	ah->ah_resetKeyCacheEntry	= ar5416ResetKeyCacheEntry;
141	ah->ah_setKeyCacheEntry		= ar5416SetKeyCacheEntry;
142
143	/* Power Management Functions */
144	ah->ah_setPowerMode		= ar5416SetPowerMode;
145
146	/* Beacon Management Functions */
147	ah->ah_setBeaconTimers		= ar5416SetBeaconTimers;
148	ah->ah_beaconInit		= ar5416BeaconInit;
149	ah->ah_setStationBeaconTimers	= ar5416SetStaBeaconTimers;
150	ah->ah_resetStationBeaconTimers	= ar5416ResetStaBeaconTimers;
151
152	/* 802.11n Functions */
153	ah->ah_chainTxDesc		= ar5416ChainTxDesc;
154	ah->ah_setupFirstTxDesc		= ar5416SetupFirstTxDesc;
155	ah->ah_setupLastTxDesc		= ar5416SetupLastTxDesc;
156	ah->ah_set11nRateScenario	= ar5416Set11nRateScenario;
157	ah->ah_set11nAggrMiddle		= ar5416Set11nAggrMiddle;
158	ah->ah_clr11nAggr		= ar5416Clr11nAggr;
159	ah->ah_set11nBurstDuration	= ar5416Set11nBurstDuration;
160	ah->ah_get11nExtBusy		= ar5416Get11nExtBusy;
161	ah->ah_set11nMac2040		= ar5416Set11nMac2040;
162	ah->ah_get11nRxClear		= ar5416Get11nRxClear;
163	ah->ah_set11nRxClear		= ar5416Set11nRxClear;
164
165	/* Interrupt functions */
166	ah->ah_isInterruptPending	= ar5416IsInterruptPending;
167	ah->ah_getPendingInterrupts	= ar5416GetPendingInterrupts;
168	ah->ah_setInterrupts		= ar5416SetInterrupts;
169
170	ahp->ah_priv.ah_getWirelessModes= ar5416GetWirelessModes;
171	ahp->ah_priv.ah_eepromRead	= ar5416EepromRead;
172#ifdef AH_SUPPORT_WRITE_EEPROM
173	ahp->ah_priv.ah_eepromWrite	= ar5416EepromWrite;
174#endif
175	ahp->ah_priv.ah_getChipPowerLimits = ar5416GetChipPowerLimits;
176
177	/* Internal ops */
178	AH5416(ah)->ah_writeIni		= ar5416WriteIni;
179	AH5416(ah)->ah_spurMitigate	= ar5416SpurMitigate;
180
181	/* Internal TX power control related operations */
182	AH5416(ah)->ah_olcInit = ar5416olcInit;
183	AH5416(ah)->ah_olcTempCompensation	= ar5416olcTempCompensation;
184	AH5416(ah)->ah_setPowerCalTable	= ar5416SetPowerCalTable;
185
186	/*
187	 * Start by setting all Owl devices to 2x2
188	 */
189	AH5416(ah)->ah_rx_chainmask = AR5416_DEFAULT_RXCHAINMASK;
190	AH5416(ah)->ah_tx_chainmask = AR5416_DEFAULT_TXCHAINMASK;
191
192	/* Enable all ANI functions to begin with */
193	AH5416(ah)->ah_ani_function = HAL_ANI_ALL;
194}
195
196uint32_t
197ar5416GetRadioRev(struct ath_hal *ah)
198{
199	uint32_t val;
200	int i;
201
202	/* Read Radio Chip Rev Extract */
203	OS_REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
204	for (i = 0; i < 8; i++)
205		OS_REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
206	val = (OS_REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
207	val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
208	return ath_hal_reverseBits(val, 8);
209}
210
211/*
212 * Attach for an AR5416 part.
213 */
214static struct ath_hal *
215ar5416Attach(uint16_t devid, HAL_SOFTC sc,
216	HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
217	HAL_STATUS *status)
218{
219	struct ath_hal_5416 *ahp5416;
220	struct ath_hal_5212 *ahp;
221	struct ath_hal *ah;
222	uint32_t val;
223	HAL_STATUS ecode;
224	HAL_BOOL rfStatus;
225
226	HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
227	    __func__, sc, (void*) st, (void*) sh);
228
229	/* NB: memory is returned zero'd */
230	ahp5416 = ath_hal_malloc(sizeof (struct ath_hal_5416) +
231		/* extra space for Owl 2.1/2.2 WAR */
232		sizeof(ar5416Addac)
233	);
234	if (ahp5416 == AH_NULL) {
235		HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
236		    "%s: cannot allocate memory for state block\n", __func__);
237		*status = HAL_ENOMEM;
238		return AH_NULL;
239	}
240	ar5416InitState(ahp5416, devid, sc, st, sh, status);
241	ahp = &ahp5416->ah_5212;
242	ah = &ahp->ah_priv.h;
243
244	if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
245		/* reset chip */
246		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n", __func__);
247		ecode = HAL_EIO;
248		goto bad;
249	}
250
251	if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
252		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n", __func__);
253		ecode = HAL_EIO;
254		goto bad;
255	}
256	/* Read Revisions from Chips before taking out of reset */
257	val = OS_REG_READ(ah, AR_SREV) & AR_SREV_ID;
258	AH_PRIVATE(ah)->ah_macVersion = val >> AR_SREV_ID_S;
259	AH_PRIVATE(ah)->ah_macRev = val & AR_SREV_REVISION;
260	AH_PRIVATE(ah)->ah_ispcie = (devid == AR5416_DEVID_PCIE);
261
262	/* setup common ini data; rf backends handle remainder */
263	HAL_INI_INIT(&ahp->ah_ini_modes, ar5416Modes, 6);
264	HAL_INI_INIT(&ahp->ah_ini_common, ar5416Common, 2);
265
266	HAL_INI_INIT(&AH5416(ah)->ah_ini_bb_rfgain, ar5416BB_RfGain, 3);
267	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank0, ar5416Bank0, 2);
268	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank1, ar5416Bank1, 2);
269	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank2, ar5416Bank2, 2);
270	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank3, ar5416Bank3, 3);
271	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank6, ar5416Bank6, 3);
272	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank7, ar5416Bank7, 2);
273	HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar5416Addac, 2);
274
275	if (!IS_5416V2_2(ah)) {		/* Owl 2.1/2.0 */
276		struct ini {
277			uint32_t	*data;		/* NB: !const */
278			int		rows, cols;
279		};
280		/* override CLKDRV value */
281		OS_MEMCPY(&AH5416(ah)[1], ar5416Addac, sizeof(ar5416Addac));
282		AH5416(ah)->ah_ini_addac.data = (uint32_t *) &AH5416(ah)[1];
283		HAL_INI_VAL((struct ini *)&AH5416(ah)->ah_ini_addac, 31, 1) = 0;
284	}
285
286	HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes, ar5416PciePhy, 2);
287	ar5416AttachPCIE(ah);
288
289	ecode = ath_hal_v14EepromAttach(ah);
290	if (ecode != HAL_OK)
291		goto bad;
292
293	if (!ar5416ChipReset(ah, AH_NULL)) {	/* reset chip */
294		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n",
295		    __func__);
296		ecode = HAL_EIO;
297		goto bad;
298	}
299
300	AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
301
302	if (!ar5212ChipTest(ah)) {
303		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
304		    __func__);
305		ecode = HAL_ESELFTEST;
306		goto bad;
307	}
308
309	/*
310	 * Set correct Baseband to analog shift
311	 * setting to access analog chips.
312	 */
313	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
314
315	/* Read Radio Chip Rev Extract */
316	AH_PRIVATE(ah)->ah_analog5GhzRev = ar5212GetRadioRev(ah);
317	switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
318        case AR_RAD5122_SREV_MAJOR:	/* Fowl: 5G/2x2 */
319        case AR_RAD2122_SREV_MAJOR:	/* Fowl: 2+5G/2x2 */
320        case AR_RAD2133_SREV_MAJOR:	/* Fowl: 2G/3x3 */
321	case AR_RAD5133_SREV_MAJOR:	/* Fowl: 2+5G/3x3 */
322		break;
323	default:
324		if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
325			/*
326			 * When RF_Silen is used the analog chip is reset.
327			 * So when the system boots with radio switch off
328			 * the RF chip rev reads back as zero and we need
329			 * to use the mac+phy revs to set the radio rev.
330			 */
331			AH_PRIVATE(ah)->ah_analog5GhzRev =
332				AR_RAD5133_SREV_MAJOR;
333			break;
334		}
335		/* NB: silently accept anything in release code per Atheros */
336#ifdef AH_DEBUG
337		HALDEBUG(ah, HAL_DEBUG_ANY,
338		    "%s: 5G Radio Chip Rev 0x%02X is not supported by "
339		    "this driver\n", __func__,
340		    AH_PRIVATE(ah)->ah_analog5GhzRev);
341		ecode = HAL_ENOTSUPP;
342		goto bad;
343#endif
344	}
345
346	/*
347	 * Got everything we need now to setup the capabilities.
348	 */
349	if (!ar5416FillCapabilityInfo(ah)) {
350		ecode = HAL_EEREAD;
351		goto bad;
352	}
353
354	ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
355	if (ecode != HAL_OK) {
356		HALDEBUG(ah, HAL_DEBUG_ANY,
357		    "%s: error getting mac address from EEPROM\n", __func__);
358		goto bad;
359        }
360	/* XXX How about the serial number ? */
361	/* Read Reg Domain */
362	AH_PRIVATE(ah)->ah_currentRD =
363	    ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
364
365	/*
366	 * ah_miscMode is populated by ar5416FillCapabilityInfo()
367	 * starting from griffin. Set here to make sure that
368	 * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
369	 * placed into hardware.
370	 */
371	if (ahp->ah_miscMode != 0)
372		OS_REG_WRITE(ah, AR_MISC_MODE, ahp->ah_miscMode);
373
374	rfStatus = ar2133RfAttach(ah, &ecode);
375	if (!rfStatus) {
376		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
377		    __func__, ecode);
378		goto bad;
379	}
380
381	ar5416AniSetup(ah);			/* Anti Noise Immunity */
382
383	AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ;
384	AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ;
385	AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_5416_2GHZ;
386	AH5416(ah)->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ;
387	AH5416(ah)->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ;
388	AH5416(ah)->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_5416_5GHZ;
389
390	ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
391
392	HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
393
394	return ah;
395bad:
396	if (ahp)
397		ar5416Detach((struct ath_hal *) ahp);
398	if (status)
399		*status = ecode;
400	return AH_NULL;
401}
402
403void
404ar5416Detach(struct ath_hal *ah)
405{
406	HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s:\n", __func__);
407
408	HALASSERT(ah != AH_NULL);
409	HALASSERT(ah->ah_magic == AR5416_MAGIC);
410
411	ar5416AniDetach(ah);
412	ar5212RfDetach(ah);
413	ah->ah_disable(ah);
414	ar5416SetPowerMode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
415	ath_hal_eepromDetach(ah);
416	ath_hal_free(ah);
417}
418
419void
420ar5416AttachPCIE(struct ath_hal *ah)
421{
422	if (AH_PRIVATE(ah)->ah_ispcie)
423		ath_hal_configPCIE(ah, AH_FALSE);
424	else
425		ath_hal_disablePCIE(ah);
426}
427
428static void
429ar5416ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore)
430{
431	if (AH_PRIVATE(ah)->ah_ispcie && !restore) {
432		ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0);
433		OS_DELAY(1000);
434		OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
435		OS_REG_WRITE(ah, AR_WA, AR_WA_DEFAULT);
436	}
437}
438
439static void
440ar5416WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan)
441{
442	u_int modesIndex, freqIndex;
443	int regWrites = 0;
444
445	/* Setup the indices for the next set of register array writes */
446	/* XXX Ignore 11n dynamic mode on the AR5416 for the moment */
447	if (IEEE80211_IS_CHAN_2GHZ(chan)) {
448		freqIndex = 2;
449		if (IEEE80211_IS_CHAN_HT40(chan))
450			modesIndex = 3;
451		else if (IEEE80211_IS_CHAN_108G(chan))
452			modesIndex = 5;
453		else
454			modesIndex = 4;
455	} else {
456		freqIndex = 1;
457		if (IEEE80211_IS_CHAN_HT40(chan) ||
458		    IEEE80211_IS_CHAN_TURBO(chan))
459			modesIndex = 2;
460		else
461			modesIndex = 1;
462	}
463
464	/* Set correct Baseband to analog shift setting to access analog chips. */
465	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
466
467	/*
468	 * Write addac shifts
469	 */
470	OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
471#if 0
472	/* NB: only required for Sowl */
473	ar5416EepromSetAddac(ah, chan);
474#endif
475	regWrites = ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_addac, 1,
476	    regWrites);
477	OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
478
479	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes,
480	    modesIndex, regWrites);
481	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common,
482	    1, regWrites);
483
484	/* XXX updated regWrites? */
485	AH5212(ah)->ah_rfHal->writeRegs(ah, modesIndex, freqIndex, regWrites);
486}
487
488/*
489 * Convert to baseband spur frequency given input channel frequency
490 * and compute register settings below.
491 */
492
493static void
494ar5416SpurMitigate(struct ath_hal *ah, const struct ieee80211_channel *chan)
495{
496    uint16_t freq = ath_hal_gethwchannel(ah, chan);
497    static const int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
498                AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60 };
499    static const int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
500                AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60 };
501    static const int inc[4] = { 0, 100, 0, 0 };
502
503    int bb_spur = AR_NO_SPUR;
504    int bin, cur_bin;
505    int spur_freq_sd;
506    int spur_delta_phase;
507    int denominator;
508    int upper, lower, cur_vit_mask;
509    int tmp, new;
510    int i;
511
512    int8_t mask_m[123];
513    int8_t mask_p[123];
514    int8_t mask_amt;
515    int tmp_mask;
516    int cur_bb_spur;
517    HAL_BOOL is2GHz = IEEE80211_IS_CHAN_2GHZ(chan);
518
519    OS_MEMZERO(mask_m, sizeof(mask_m));
520    OS_MEMZERO(mask_p, sizeof(mask_p));
521
522    /*
523     * Need to verify range +/- 9.5 for static ht20, otherwise spur
524     * is out-of-band and can be ignored.
525     */
526    /* XXX ath9k changes */
527    for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) {
528        cur_bb_spur = ath_hal_getSpurChan(ah, i, is2GHz);
529        if (AR_NO_SPUR == cur_bb_spur)
530            break;
531        cur_bb_spur = cur_bb_spur - (freq * 10);
532        if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
533            bb_spur = cur_bb_spur;
534            break;
535        }
536    }
537    if (AR_NO_SPUR == bb_spur)
538        return;
539
540    bin = bb_spur * 32;
541
542    tmp = OS_REG_READ(ah, AR_PHY_TIMING_CTRL4_CHAIN(0));
543    new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
544        AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
545        AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
546        AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
547
548    OS_REG_WRITE(ah, AR_PHY_TIMING_CTRL4_CHAIN(0), new);
549
550    new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
551        AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
552        AR_PHY_SPUR_REG_MASK_RATE_SELECT |
553        AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
554        SM(AR5416_SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
555    OS_REG_WRITE(ah, AR_PHY_SPUR_REG, new);
556    /*
557     * Should offset bb_spur by +/- 10 MHz for dynamic 2040 MHz
558     * config, no offset for HT20.
559     * spur_delta_phase = bb_spur/40 * 2**21 for static ht20,
560     * /80 for dyn2040.
561     */
562    spur_delta_phase = ((bb_spur * 524288) / 100) &
563        AR_PHY_TIMING11_SPUR_DELTA_PHASE;
564    /*
565     * in 11A mode the denominator of spur_freq_sd should be 40 and
566     * it should be 44 in 11G
567     */
568    denominator = IEEE80211_IS_CHAN_2GHZ(chan) ? 440 : 400;
569    spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
570
571    new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
572        SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
573        SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
574    OS_REG_WRITE(ah, AR_PHY_TIMING11, new);
575
576
577    /*
578     * ============================================
579     * pilot mask 1 [31:0] = +6..-26, no 0 bin
580     * pilot mask 2 [19:0] = +26..+7
581     *
582     * channel mask 1 [31:0] = +6..-26, no 0 bin
583     * channel mask 2 [19:0] = +26..+7
584     */
585    //cur_bin = -26;
586    cur_bin = -6000;
587    upper = bin + 100;
588    lower = bin - 100;
589
590    for (i = 0; i < 4; i++) {
591        int pilot_mask = 0;
592        int chan_mask  = 0;
593        int bp         = 0;
594        for (bp = 0; bp < 30; bp++) {
595            if ((cur_bin > lower) && (cur_bin < upper)) {
596                pilot_mask = pilot_mask | 0x1 << bp;
597                chan_mask  = chan_mask | 0x1 << bp;
598            }
599            cur_bin += 100;
600        }
601        cur_bin += inc[i];
602        OS_REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
603        OS_REG_WRITE(ah, chan_mask_reg[i], chan_mask);
604    }
605
606    /* =================================================
607     * viterbi mask 1 based on channel magnitude
608     * four levels 0-3
609     *  - mask (-27 to 27) (reg 64,0x9900 to 67,0x990c)
610     *      [1 2 2 1] for -9.6 or [1 2 1] for +16
611     *  - enable_mask_ppm, all bins move with freq
612     *
613     *  - mask_select,    8 bits for rates (reg 67,0x990c)
614     *  - mask_rate_cntl, 8 bits for rates (reg 67,0x990c)
615     *      choose which mask to use mask or mask2
616     */
617
618    /*
619     * viterbi mask 2  2nd set for per data rate puncturing
620     * four levels 0-3
621     *  - mask_select, 8 bits for rates (reg 67)
622     *  - mask (-27 to 27) (reg 98,0x9988 to 101,0x9994)
623     *      [1 2 2 1] for -9.6 or [1 2 1] for +16
624     */
625    cur_vit_mask = 6100;
626    upper        = bin + 120;
627    lower        = bin - 120;
628
629    for (i = 0; i < 123; i++) {
630        if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
631            if ((abs(cur_vit_mask - bin)) < 75) {
632                mask_amt = 1;
633            } else {
634                mask_amt = 0;
635            }
636            if (cur_vit_mask < 0) {
637                mask_m[abs(cur_vit_mask / 100)] = mask_amt;
638            } else {
639                mask_p[cur_vit_mask / 100] = mask_amt;
640            }
641        }
642        cur_vit_mask -= 100;
643    }
644
645    tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
646          | (mask_m[48] << 26) | (mask_m[49] << 24)
647          | (mask_m[50] << 22) | (mask_m[51] << 20)
648          | (mask_m[52] << 18) | (mask_m[53] << 16)
649          | (mask_m[54] << 14) | (mask_m[55] << 12)
650          | (mask_m[56] << 10) | (mask_m[57] <<  8)
651          | (mask_m[58] <<  6) | (mask_m[59] <<  4)
652          | (mask_m[60] <<  2) | (mask_m[61] <<  0);
653    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
654    OS_REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
655
656    tmp_mask =             (mask_m[31] << 28)
657          | (mask_m[32] << 26) | (mask_m[33] << 24)
658          | (mask_m[34] << 22) | (mask_m[35] << 20)
659          | (mask_m[36] << 18) | (mask_m[37] << 16)
660          | (mask_m[48] << 14) | (mask_m[39] << 12)
661          | (mask_m[40] << 10) | (mask_m[41] <<  8)
662          | (mask_m[42] <<  6) | (mask_m[43] <<  4)
663          | (mask_m[44] <<  2) | (mask_m[45] <<  0);
664    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
665    OS_REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
666
667    tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
668          | (mask_m[18] << 26) | (mask_m[18] << 24)
669          | (mask_m[20] << 22) | (mask_m[20] << 20)
670          | (mask_m[22] << 18) | (mask_m[22] << 16)
671          | (mask_m[24] << 14) | (mask_m[24] << 12)
672          | (mask_m[25] << 10) | (mask_m[26] <<  8)
673          | (mask_m[27] <<  6) | (mask_m[28] <<  4)
674          | (mask_m[29] <<  2) | (mask_m[30] <<  0);
675    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
676    OS_REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
677
678    tmp_mask = (mask_m[ 0] << 30) | (mask_m[ 1] << 28)
679          | (mask_m[ 2] << 26) | (mask_m[ 3] << 24)
680          | (mask_m[ 4] << 22) | (mask_m[ 5] << 20)
681          | (mask_m[ 6] << 18) | (mask_m[ 7] << 16)
682          | (mask_m[ 8] << 14) | (mask_m[ 9] << 12)
683          | (mask_m[10] << 10) | (mask_m[11] <<  8)
684          | (mask_m[12] <<  6) | (mask_m[13] <<  4)
685          | (mask_m[14] <<  2) | (mask_m[15] <<  0);
686    OS_REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
687    OS_REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
688
689    tmp_mask =             (mask_p[15] << 28)
690          | (mask_p[14] << 26) | (mask_p[13] << 24)
691          | (mask_p[12] << 22) | (mask_p[11] << 20)
692          | (mask_p[10] << 18) | (mask_p[ 9] << 16)
693          | (mask_p[ 8] << 14) | (mask_p[ 7] << 12)
694          | (mask_p[ 6] << 10) | (mask_p[ 5] <<  8)
695          | (mask_p[ 4] <<  6) | (mask_p[ 3] <<  4)
696          | (mask_p[ 2] <<  2) | (mask_p[ 1] <<  0);
697    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
698    OS_REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
699
700    tmp_mask =             (mask_p[30] << 28)
701          | (mask_p[29] << 26) | (mask_p[28] << 24)
702          | (mask_p[27] << 22) | (mask_p[26] << 20)
703          | (mask_p[25] << 18) | (mask_p[24] << 16)
704          | (mask_p[23] << 14) | (mask_p[22] << 12)
705          | (mask_p[21] << 10) | (mask_p[20] <<  8)
706          | (mask_p[19] <<  6) | (mask_p[18] <<  4)
707          | (mask_p[17] <<  2) | (mask_p[16] <<  0);
708    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
709    OS_REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
710
711    tmp_mask =             (mask_p[45] << 28)
712          | (mask_p[44] << 26) | (mask_p[43] << 24)
713          | (mask_p[42] << 22) | (mask_p[41] << 20)
714          | (mask_p[40] << 18) | (mask_p[39] << 16)
715          | (mask_p[38] << 14) | (mask_p[37] << 12)
716          | (mask_p[36] << 10) | (mask_p[35] <<  8)
717          | (mask_p[34] <<  6) | (mask_p[33] <<  4)
718          | (mask_p[32] <<  2) | (mask_p[31] <<  0);
719    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
720    OS_REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
721
722    tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
723          | (mask_p[59] << 26) | (mask_p[58] << 24)
724          | (mask_p[57] << 22) | (mask_p[56] << 20)
725          | (mask_p[55] << 18) | (mask_p[54] << 16)
726          | (mask_p[53] << 14) | (mask_p[52] << 12)
727          | (mask_p[51] << 10) | (mask_p[50] <<  8)
728          | (mask_p[49] <<  6) | (mask_p[48] <<  4)
729          | (mask_p[47] <<  2) | (mask_p[46] <<  0);
730    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
731    OS_REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
732}
733
734/*
735 * Fill all software cached or static hardware state information.
736 * Return failure if capabilities are to come from EEPROM and
737 * cannot be read.
738 */
739HAL_BOOL
740ar5416FillCapabilityInfo(struct ath_hal *ah)
741{
742	struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
743	HAL_CAPABILITIES *pCap = &ahpriv->ah_caps;
744	uint16_t val;
745
746	/* Construct wireless mode from EEPROM */
747	pCap->halWirelessModes = 0;
748	if (ath_hal_eepromGetFlag(ah, AR_EEP_AMODE)) {
749		pCap->halWirelessModes |= HAL_MODE_11A
750				       |  HAL_MODE_11NA_HT20
751				       |  HAL_MODE_11NA_HT40PLUS
752				       |  HAL_MODE_11NA_HT40MINUS
753				       ;
754	}
755	if (ath_hal_eepromGetFlag(ah, AR_EEP_GMODE)) {
756		pCap->halWirelessModes |= HAL_MODE_11G
757				       |  HAL_MODE_11NG_HT20
758				       |  HAL_MODE_11NG_HT40PLUS
759				       |  HAL_MODE_11NG_HT40MINUS
760				       ;
761		pCap->halWirelessModes |= HAL_MODE_11A
762				       |  HAL_MODE_11NA_HT20
763				       |  HAL_MODE_11NA_HT40PLUS
764				       |  HAL_MODE_11NA_HT40MINUS
765				       ;
766	}
767
768	pCap->halLow2GhzChan = 2312;
769	pCap->halHigh2GhzChan = 2732;
770
771	pCap->halLow5GhzChan = 4915;
772	pCap->halHigh5GhzChan = 6100;
773
774	pCap->halCipherCkipSupport = AH_FALSE;
775	pCap->halCipherTkipSupport = AH_TRUE;
776	pCap->halCipherAesCcmSupport = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
777
778	pCap->halMicCkipSupport    = AH_FALSE;
779	pCap->halMicTkipSupport    = AH_TRUE;
780	pCap->halMicAesCcmSupport  = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
781	/*
782	 * Starting with Griffin TX+RX mic keys can be combined
783	 * in one key cache slot.
784	 */
785	pCap->halTkipMicTxRxKeySupport = AH_TRUE;
786	pCap->halChanSpreadSupport = AH_TRUE;
787	pCap->halSleepAfterBeaconBroken = AH_TRUE;
788
789	pCap->halCompressSupport = AH_FALSE;
790	pCap->halBurstSupport = AH_TRUE;
791	pCap->halFastFramesSupport = AH_FALSE;	/* XXX? */
792	pCap->halChapTuningSupport = AH_TRUE;
793	pCap->halTurboPrimeSupport = AH_TRUE;
794
795	pCap->halTurboGSupport = pCap->halWirelessModes & HAL_MODE_108G;
796
797	pCap->halPSPollBroken = AH_TRUE;	/* XXX fixed in later revs? */
798	pCap->halVEOLSupport = AH_TRUE;
799	pCap->halBssIdMaskSupport = AH_TRUE;
800	pCap->halMcastKeySrchSupport = AH_FALSE;
801	pCap->halTsfAddSupport = AH_TRUE;
802
803	if (ath_hal_eepromGet(ah, AR_EEP_MAXQCU, &val) == HAL_OK)
804		pCap->halTotalQueues = val;
805	else
806		pCap->halTotalQueues = HAL_NUM_TX_QUEUES;
807
808	if (ath_hal_eepromGet(ah, AR_EEP_KCENTRIES, &val) == HAL_OK)
809		pCap->halKeyCacheSize = val;
810	else
811		pCap->halKeyCacheSize = AR5416_KEYTABLE_SIZE;
812
813	/* XXX not needed */
814	pCap->halChanHalfRate = AH_FALSE;	/* XXX ? */
815	pCap->halChanQuarterRate = AH_FALSE;	/* XXX ? */
816
817	pCap->halTstampPrecision = 32;
818	pCap->halHwPhyCounterSupport = AH_TRUE;
819	pCap->halIntrMask = HAL_INT_COMMON
820			| HAL_INT_RX
821			| HAL_INT_TX
822			| HAL_INT_FATAL
823			| HAL_INT_BNR
824			| HAL_INT_BMISC
825			| HAL_INT_DTIMSYNC
826			| HAL_INT_TSFOOR
827			| HAL_INT_CST
828			| HAL_INT_GTT
829			;
830
831	pCap->halFastCCSupport = AH_TRUE;
832	pCap->halNumGpioPins = 6;
833	pCap->halWowSupport = AH_FALSE;
834	pCap->halWowMatchPatternExact = AH_FALSE;
835	pCap->halBtCoexSupport = AH_FALSE;	/* XXX need support */
836	pCap->halAutoSleepSupport = AH_FALSE;
837	pCap->hal4kbSplitTransSupport = AH_TRUE;
838#if 0	/* XXX not yet */
839	pCap->halNumAntCfg2GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_2GHZ);
840	pCap->halNumAntCfg5GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_5GHZ);
841#endif
842	pCap->halHTSupport = AH_TRUE;
843	pCap->halTxChainMask = ath_hal_eepromGet(ah, AR_EEP_TXMASK, AH_NULL);
844	/* XXX CB71 uses GPIO 0 to indicate 3 rx chains */
845	pCap->halRxChainMask = ath_hal_eepromGet(ah, AR_EEP_RXMASK, AH_NULL);
846	/* AR5416 may have 3 antennas but is a 2x2 stream device */
847	pCap->halTxStreams = 2;
848	pCap->halRxStreams = 2;
849	pCap->halRtsAggrLimit = 8*1024;		/* Owl 2.0 limit */
850	pCap->halMbssidAggrSupport = AH_TRUE;
851	pCap->halForcePpmSupport = AH_TRUE;
852	pCap->halEnhancedPmSupport = AH_TRUE;
853	pCap->halBssidMatchSupport = AH_TRUE;
854
855	if (ath_hal_eepromGetFlag(ah, AR_EEP_RFKILL) &&
856	    ath_hal_eepromGet(ah, AR_EEP_RFSILENT, &ahpriv->ah_rfsilent) == HAL_OK) {
857		/* NB: enabled by default */
858		ahpriv->ah_rfkillEnabled = AH_TRUE;
859		pCap->halRfSilentSupport = AH_TRUE;
860	}
861
862	ahpriv->ah_rxornIsFatal = AH_FALSE;
863
864	return AH_TRUE;
865}
866
867static const char*
868ar5416Probe(uint16_t vendorid, uint16_t devid)
869{
870	if (vendorid == ATHEROS_VENDOR_ID &&
871	    (devid == AR5416_DEVID_PCI || devid == AR5416_DEVID_PCIE))
872		return "Atheros 5416";
873	return AH_NULL;
874}
875AH_CHIP(AR5416, ar5416Probe, ar5416Attach);
876