1/*
2 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
3 * Copyright (c) 2002-2008 Atheros Communications, Inc.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 *
17 * $FreeBSD$
18 */
19#include "opt_ah.h"
20
21#include "ah.h"
22#include "ah_internal.h"
23#include "ah_devid.h"
24
25#include "ah_eeprom_v14.h"
26
27#include "ar5416/ar5416.h"
28#include "ar5416/ar5416reg.h"
29#include "ar5416/ar5416phy.h"
30
31#include "ar5416/ar5416.ini"
32
33static void ar5416ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore);
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: disable ANI noise immmunity for reliable RIFS rx */
61	AH5416(ah)->ah_ani_function &= ~(1 << HAL_ANI_NOISE_IMMUNITY_LEVEL);
62	ar5416AniAttach(ah, &aniparams, &aniparams, AH_TRUE);
63}
64
65/*
66 * AR5416 doesn't do OLC or temperature compensation.
67 */
68static void
69ar5416olcInit(struct ath_hal *ah)
70{
71}
72
73static void
74ar5416olcTempCompensation(struct ath_hal *ah)
75{
76}
77
78/*
79 * Attach for an AR5416 part.
80 */
81void
82ar5416InitState(struct ath_hal_5416 *ahp5416, uint16_t devid, HAL_SOFTC sc,
83	HAL_BUS_TAG st, HAL_BUS_HANDLE sh, HAL_STATUS *status)
84{
85	struct ath_hal_5212 *ahp;
86	struct ath_hal *ah;
87
88	ahp = &ahp5416->ah_5212;
89	ar5212InitState(ahp, devid, sc, st, sh, status);
90	ah = &ahp->ah_priv.h;
91
92	/* override 5212 methods for our needs */
93	ah->ah_magic			= AR5416_MAGIC;
94	ah->ah_getRateTable		= ar5416GetRateTable;
95	ah->ah_detach			= ar5416Detach;
96
97	/* Reset functions */
98	ah->ah_reset			= ar5416Reset;
99	ah->ah_phyDisable		= ar5416PhyDisable;
100	ah->ah_disable			= ar5416Disable;
101	ah->ah_configPCIE		= ar5416ConfigPCIE;
102	ah->ah_perCalibration		= ar5416PerCalibration;
103	ah->ah_perCalibrationN		= ar5416PerCalibrationN,
104	ah->ah_resetCalValid		= ar5416ResetCalValid,
105	ah->ah_setTxPowerLimit		= ar5416SetTxPowerLimit;
106	ah->ah_setTxPower		= ar5416SetTransmitPower;
107	ah->ah_setBoardValues		= ar5416SetBoardValues;
108
109	/* Transmit functions */
110	ah->ah_stopTxDma		= ar5416StopTxDma;
111	ah->ah_setupTxDesc		= ar5416SetupTxDesc;
112	ah->ah_setupXTxDesc		= ar5416SetupXTxDesc;
113	ah->ah_fillTxDesc		= ar5416FillTxDesc;
114	ah->ah_procTxDesc		= ar5416ProcTxDesc;
115	ah->ah_getTxCompletionRates	= ar5416GetTxCompletionRates;
116	ah->ah_setupTxQueue		= ar5416SetupTxQueue;
117	ah->ah_resetTxQueue		= ar5416ResetTxQueue;
118
119	/* Receive Functions */
120	ah->ah_getRxFilter		= ar5416GetRxFilter;
121	ah->ah_setRxFilter		= ar5416SetRxFilter;
122	ah->ah_startPcuReceive		= ar5416StartPcuReceive;
123	ah->ah_stopPcuReceive		= ar5416StopPcuReceive;
124	ah->ah_setupRxDesc		= ar5416SetupRxDesc;
125	ah->ah_procRxDesc		= ar5416ProcRxDesc;
126	ah->ah_rxMonitor		= ar5416RxMonitor;
127	ah->ah_aniPoll			= ar5416AniPoll;
128	ah->ah_procMibEvent		= ar5416ProcessMibIntr;
129
130	/* Misc Functions */
131	ah->ah_getCapability		= ar5416GetCapability;
132	ah->ah_getDiagState		= ar5416GetDiagState;
133	ah->ah_setLedState		= ar5416SetLedState;
134	ah->ah_gpioCfgOutput		= ar5416GpioCfgOutput;
135	ah->ah_gpioCfgInput		= ar5416GpioCfgInput;
136	ah->ah_gpioGet			= ar5416GpioGet;
137	ah->ah_gpioSet			= ar5416GpioSet;
138	ah->ah_gpioSetIntr		= ar5416GpioSetIntr;
139	ah->ah_getTsf64			= ar5416GetTsf64;
140	ah->ah_resetTsf			= ar5416ResetTsf;
141	ah->ah_getRfGain		= ar5416GetRfgain;
142	ah->ah_setAntennaSwitch		= ar5416SetAntennaSwitch;
143	ah->ah_setDecompMask		= ar5416SetDecompMask;
144	ah->ah_setCoverageClass		= ar5416SetCoverageClass;
145	ah->ah_setQuiet			= ar5416SetQuiet;
146
147	ah->ah_resetKeyCacheEntry	= ar5416ResetKeyCacheEntry;
148	ah->ah_setKeyCacheEntry		= ar5416SetKeyCacheEntry;
149
150	/* DFS Functions */
151	ah->ah_enableDfs		= ar5416EnableDfs;
152	ah->ah_getDfsThresh		= ar5416GetDfsThresh;
153	ah->ah_procRadarEvent		= ar5416ProcessRadarEvent;
154	ah->ah_isFastClockEnabled	= ar5416IsFastClockEnabled;
155
156	/* Power Management Functions */
157	ah->ah_setPowerMode		= ar5416SetPowerMode;
158
159	/* Beacon Management Functions */
160	ah->ah_setBeaconTimers		= ar5416SetBeaconTimers;
161	ah->ah_beaconInit		= ar5416BeaconInit;
162	ah->ah_setStationBeaconTimers	= ar5416SetStaBeaconTimers;
163	ah->ah_resetStationBeaconTimers	= ar5416ResetStaBeaconTimers;
164	ah->ah_getNextTBTT		= ar5416GetNextTBTT;
165
166	/* 802.11n Functions */
167	ah->ah_chainTxDesc		= ar5416ChainTxDesc;
168	ah->ah_setupFirstTxDesc		= ar5416SetupFirstTxDesc;
169	ah->ah_setupLastTxDesc		= ar5416SetupLastTxDesc;
170	ah->ah_set11nRateScenario	= ar5416Set11nRateScenario;
171	ah->ah_set11nAggrMiddle		= ar5416Set11nAggrMiddle;
172	ah->ah_clr11nAggr		= ar5416Clr11nAggr;
173	ah->ah_set11nBurstDuration	= ar5416Set11nBurstDuration;
174	ah->ah_get11nExtBusy		= ar5416Get11nExtBusy;
175	ah->ah_set11nMac2040		= ar5416Set11nMac2040;
176	ah->ah_get11nRxClear		= ar5416Get11nRxClear;
177	ah->ah_set11nRxClear		= ar5416Set11nRxClear;
178
179	/* Interrupt functions */
180	ah->ah_isInterruptPending	= ar5416IsInterruptPending;
181	ah->ah_getPendingInterrupts	= ar5416GetPendingInterrupts;
182	ah->ah_setInterrupts		= ar5416SetInterrupts;
183
184	ahp->ah_priv.ah_getWirelessModes= ar5416GetWirelessModes;
185	ahp->ah_priv.ah_eepromRead	= ar5416EepromRead;
186#ifdef AH_SUPPORT_WRITE_EEPROM
187	ahp->ah_priv.ah_eepromWrite	= ar5416EepromWrite;
188#endif
189	ahp->ah_priv.ah_getChipPowerLimits = ar5416GetChipPowerLimits;
190
191	/* Internal ops */
192	AH5416(ah)->ah_writeIni		= ar5416WriteIni;
193	AH5416(ah)->ah_spurMitigate	= ar5416SpurMitigate;
194
195	/* Internal baseband ops */
196	AH5416(ah)->ah_initPLL		= ar5416InitPLL;
197
198	/* Internal calibration ops */
199	AH5416(ah)->ah_cal_initcal	= ar5416InitCalHardware;
200
201	/* Internal TX power control related operations */
202	AH5416(ah)->ah_olcInit = ar5416olcInit;
203	AH5416(ah)->ah_olcTempCompensation	= ar5416olcTempCompensation;
204	AH5416(ah)->ah_setPowerCalTable	= ar5416SetPowerCalTable;
205
206	/*
207	 * Start by setting all Owl devices to 2x2
208	 */
209	AH5416(ah)->ah_rx_chainmask = AR5416_DEFAULT_RXCHAINMASK;
210	AH5416(ah)->ah_tx_chainmask = AR5416_DEFAULT_TXCHAINMASK;
211
212	/* Enable all ANI functions to begin with */
213	AH5416(ah)->ah_ani_function = 0xffffffff;
214
215        /* Set overridable ANI methods */
216        AH5212(ah)->ah_aniControl = ar5416AniControl;
217}
218
219uint32_t
220ar5416GetRadioRev(struct ath_hal *ah)
221{
222	uint32_t val;
223	int i;
224
225	/* Read Radio Chip Rev Extract */
226	OS_REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
227	for (i = 0; i < 8; i++)
228		OS_REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
229	val = (OS_REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
230	val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
231	return ath_hal_reverseBits(val, 8);
232}
233
234/*
235 * Attach for an AR5416 part.
236 */
237static struct ath_hal *
238ar5416Attach(uint16_t devid, HAL_SOFTC sc,
239	HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
240	HAL_STATUS *status)
241{
242	struct ath_hal_5416 *ahp5416;
243	struct ath_hal_5212 *ahp;
244	struct ath_hal *ah;
245	uint32_t val;
246	HAL_STATUS ecode;
247	HAL_BOOL rfStatus;
248
249	HALDEBUG_G(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
250	    __func__, sc, (void*) st, (void*) sh);
251
252	/* NB: memory is returned zero'd */
253	ahp5416 = ath_hal_malloc(sizeof (struct ath_hal_5416) +
254		/* extra space for Owl 2.1/2.2 WAR */
255		sizeof(ar5416Addac)
256	);
257	if (ahp5416 == AH_NULL) {
258		HALDEBUG_G(AH_NULL, HAL_DEBUG_ANY,
259		    "%s: cannot allocate memory for state block\n", __func__);
260		*status = HAL_ENOMEM;
261		return AH_NULL;
262	}
263	ar5416InitState(ahp5416, devid, sc, st, sh, status);
264	ahp = &ahp5416->ah_5212;
265	ah = &ahp->ah_priv.h;
266
267	if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
268		/* reset chip */
269		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n", __func__);
270		ecode = HAL_EIO;
271		goto bad;
272	}
273
274	if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
275		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n", __func__);
276		ecode = HAL_EIO;
277		goto bad;
278	}
279	/* Read Revisions from Chips before taking out of reset */
280	val = OS_REG_READ(ah, AR_SREV) & AR_SREV_ID;
281	AH_PRIVATE(ah)->ah_macVersion = val >> AR_SREV_ID_S;
282	AH_PRIVATE(ah)->ah_macRev = val & AR_SREV_REVISION;
283	AH_PRIVATE(ah)->ah_ispcie = (devid == AR5416_DEVID_PCIE);
284
285	/* setup common ini data; rf backends handle remainder */
286	HAL_INI_INIT(&ahp->ah_ini_modes, ar5416Modes, 6);
287	HAL_INI_INIT(&ahp->ah_ini_common, ar5416Common, 2);
288
289	HAL_INI_INIT(&AH5416(ah)->ah_ini_bb_rfgain, ar5416BB_RfGain, 3);
290	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank0, ar5416Bank0, 2);
291	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank1, ar5416Bank1, 2);
292	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank2, ar5416Bank2, 2);
293	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank3, ar5416Bank3, 3);
294	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank6, ar5416Bank6, 3);
295	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank7, ar5416Bank7, 2);
296	HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar5416Addac, 2);
297
298	if (! IS_5416V2_2(ah)) {		/* Owl 2.1/2.0 */
299		ath_hal_printf(ah, "[ath] Enabling CLKDRV workaround for AR5416 < v2.2\n");
300		struct ini {
301			uint32_t	*data;		/* NB: !const */
302			int		rows, cols;
303		};
304		/* override CLKDRV value */
305		OS_MEMCPY(&AH5416(ah)[1], ar5416Addac, sizeof(ar5416Addac));
306		AH5416(ah)->ah_ini_addac.data = (uint32_t *) &AH5416(ah)[1];
307		HAL_INI_VAL((struct ini *)&AH5416(ah)->ah_ini_addac, 31, 1) = 0;
308	}
309
310	HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes, ar5416PciePhy, 2);
311	ar5416AttachPCIE(ah);
312
313	ecode = ath_hal_v14EepromAttach(ah);
314	if (ecode != HAL_OK)
315		goto bad;
316
317	if (!ar5416ChipReset(ah, AH_NULL)) {	/* reset chip */
318		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n",
319		    __func__);
320		ecode = HAL_EIO;
321		goto bad;
322	}
323
324	AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
325
326	if (!ar5212ChipTest(ah)) {
327		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
328		    __func__);
329		ecode = HAL_ESELFTEST;
330		goto bad;
331	}
332
333	/*
334	 * Set correct Baseband to analog shift
335	 * setting to access analog chips.
336	 */
337	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
338
339	/* Read Radio Chip Rev Extract */
340	AH_PRIVATE(ah)->ah_analog5GhzRev = ar5212GetRadioRev(ah);
341	switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
342        case AR_RAD5122_SREV_MAJOR:	/* Fowl: 5G/2x2 */
343        case AR_RAD2122_SREV_MAJOR:	/* Fowl: 2+5G/2x2 */
344        case AR_RAD2133_SREV_MAJOR:	/* Fowl: 2G/3x3 */
345	case AR_RAD5133_SREV_MAJOR:	/* Fowl: 2+5G/3x3 */
346		break;
347	default:
348		if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
349			/*
350			 * When RF_Silen is used the analog chip is reset.
351			 * So when the system boots with radio switch off
352			 * the RF chip rev reads back as zero and we need
353			 * to use the mac+phy revs to set the radio rev.
354			 */
355			AH_PRIVATE(ah)->ah_analog5GhzRev =
356				AR_RAD5133_SREV_MAJOR;
357			break;
358		}
359		/* NB: silently accept anything in release code per Atheros */
360#ifdef AH_DEBUG
361		HALDEBUG(ah, HAL_DEBUG_ANY,
362		    "%s: 5G Radio Chip Rev 0x%02X is not supported by "
363		    "this driver\n", __func__,
364		    AH_PRIVATE(ah)->ah_analog5GhzRev);
365		ecode = HAL_ENOTSUPP;
366		goto bad;
367#endif
368	}
369
370	/*
371	 * Got everything we need now to setup the capabilities.
372	 */
373	if (!ar5416FillCapabilityInfo(ah)) {
374		ecode = HAL_EEREAD;
375		goto bad;
376	}
377
378	ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
379	if (ecode != HAL_OK) {
380		HALDEBUG(ah, HAL_DEBUG_ANY,
381		    "%s: error getting mac address from EEPROM\n", __func__);
382		goto bad;
383        }
384	/* XXX How about the serial number ? */
385	/* Read Reg Domain */
386	AH_PRIVATE(ah)->ah_currentRD =
387	    ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
388	AH_PRIVATE(ah)->ah_currentRDext =
389	    ath_hal_eepromGet(ah, AR_EEP_REGDMN_1, AH_NULL);
390
391	/*
392	 * ah_miscMode is populated by ar5416FillCapabilityInfo()
393	 * starting from griffin. Set here to make sure that
394	 * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
395	 * placed into hardware.
396	 */
397	if (ahp->ah_miscMode != 0)
398		OS_REG_WRITE(ah, AR_MISC_MODE, OS_REG_READ(ah, AR_MISC_MODE) | ahp->ah_miscMode);
399
400	rfStatus = ar2133RfAttach(ah, &ecode);
401	if (!rfStatus) {
402		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
403		    __func__, ecode);
404		goto bad;
405	}
406
407	ar5416AniSetup(ah);			/* Anti Noise Immunity */
408
409	AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ;
410	AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ;
411	AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_5416_2GHZ;
412	AH5416(ah)->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ;
413	AH5416(ah)->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ;
414	AH5416(ah)->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_5416_5GHZ;
415
416	ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
417
418	HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
419
420	return ah;
421bad:
422	if (ahp)
423		ar5416Detach((struct ath_hal *) ahp);
424	if (status)
425		*status = ecode;
426	return AH_NULL;
427}
428
429void
430ar5416Detach(struct ath_hal *ah)
431{
432	HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s:\n", __func__);
433
434	HALASSERT(ah != AH_NULL);
435	HALASSERT(ah->ah_magic == AR5416_MAGIC);
436
437	/* Make sure that chip is awake before writing to it */
438	if (! ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE))
439		HALDEBUG(ah, HAL_DEBUG_UNMASKABLE,
440		    "%s: failed to wake up chip\n",
441		    __func__);
442
443	ar5416AniDetach(ah);
444	ar5212RfDetach(ah);
445	ah->ah_disable(ah);
446	ar5416SetPowerMode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
447	ath_hal_eepromDetach(ah);
448	ath_hal_free(ah);
449}
450
451void
452ar5416AttachPCIE(struct ath_hal *ah)
453{
454	if (AH_PRIVATE(ah)->ah_ispcie)
455		ath_hal_configPCIE(ah, AH_FALSE);
456	else
457		ath_hal_disablePCIE(ah);
458}
459
460static void
461ar5416ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore)
462{
463	if (AH_PRIVATE(ah)->ah_ispcie && !restore) {
464		ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0);
465		OS_DELAY(1000);
466		OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
467		OS_REG_WRITE(ah, AR_WA, AR_WA_DEFAULT);
468	}
469}
470
471static void
472ar5416WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan)
473{
474	u_int modesIndex, freqIndex;
475	int regWrites = 0;
476
477	/* Setup the indices for the next set of register array writes */
478	/* XXX Ignore 11n dynamic mode on the AR5416 for the moment */
479	if (IEEE80211_IS_CHAN_2GHZ(chan)) {
480		freqIndex = 2;
481		if (IEEE80211_IS_CHAN_HT40(chan))
482			modesIndex = 3;
483		else if (IEEE80211_IS_CHAN_108G(chan))
484			modesIndex = 5;
485		else
486			modesIndex = 4;
487	} else {
488		freqIndex = 1;
489		if (IEEE80211_IS_CHAN_HT40(chan) ||
490		    IEEE80211_IS_CHAN_TURBO(chan))
491			modesIndex = 2;
492		else
493			modesIndex = 1;
494	}
495
496	/* Set correct Baseband to analog shift setting to access analog chips. */
497	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
498
499	/*
500	 * Write addac shifts
501	 */
502	OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
503
504	/* NB: only required for Sowl */
505	if (AR_SREV_SOWL(ah))
506		ar5416EepromSetAddac(ah, chan);
507
508	regWrites = ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_addac, 1,
509	    regWrites);
510	OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
511
512	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes,
513	    modesIndex, regWrites);
514	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common,
515	    1, regWrites);
516
517	/* XXX updated regWrites? */
518	AH5212(ah)->ah_rfHal->writeRegs(ah, modesIndex, freqIndex, regWrites);
519}
520
521/*
522 * Convert to baseband spur frequency given input channel frequency
523 * and compute register settings below.
524 */
525
526static void
527ar5416SpurMitigate(struct ath_hal *ah, const struct ieee80211_channel *chan)
528{
529    uint16_t freq = ath_hal_gethwchannel(ah, chan);
530    static const int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
531                AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60 };
532    static const int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
533                AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60 };
534    static const int inc[4] = { 0, 100, 0, 0 };
535
536    int bb_spur = AR_NO_SPUR;
537    int bin, cur_bin;
538    int spur_freq_sd;
539    int spur_delta_phase;
540    int denominator;
541    int upper, lower, cur_vit_mask;
542    int tmp, new;
543    int i;
544
545    int8_t mask_m[123];
546    int8_t mask_p[123];
547    int8_t mask_amt;
548    int tmp_mask;
549    int cur_bb_spur;
550    HAL_BOOL is2GHz = IEEE80211_IS_CHAN_2GHZ(chan);
551
552    OS_MEMZERO(mask_m, sizeof(mask_m));
553    OS_MEMZERO(mask_p, sizeof(mask_p));
554
555    /*
556     * Need to verify range +/- 9.5 for static ht20, otherwise spur
557     * is out-of-band and can be ignored.
558     */
559    /* XXX ath9k changes */
560    for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) {
561        cur_bb_spur = ath_hal_getSpurChan(ah, i, is2GHz);
562        if (AR_NO_SPUR == cur_bb_spur)
563            break;
564        cur_bb_spur = cur_bb_spur - (freq * 10);
565        if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
566            bb_spur = cur_bb_spur;
567            break;
568        }
569    }
570    if (AR_NO_SPUR == bb_spur)
571        return;
572
573    bin = bb_spur * 32;
574
575    tmp = OS_REG_READ(ah, AR_PHY_TIMING_CTRL4_CHAIN(0));
576    new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
577        AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
578        AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
579        AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
580
581    OS_REG_WRITE(ah, AR_PHY_TIMING_CTRL4_CHAIN(0), new);
582
583    new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
584        AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
585        AR_PHY_SPUR_REG_MASK_RATE_SELECT |
586        AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
587        SM(AR5416_SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
588    OS_REG_WRITE(ah, AR_PHY_SPUR_REG, new);
589    /*
590     * Should offset bb_spur by +/- 10 MHz for dynamic 2040 MHz
591     * config, no offset for HT20.
592     * spur_delta_phase = bb_spur/40 * 2**21 for static ht20,
593     * /80 for dyn2040.
594     */
595    spur_delta_phase = ((bb_spur * 524288) / 100) &
596        AR_PHY_TIMING11_SPUR_DELTA_PHASE;
597    /*
598     * in 11A mode the denominator of spur_freq_sd should be 40 and
599     * it should be 44 in 11G
600     */
601    denominator = IEEE80211_IS_CHAN_2GHZ(chan) ? 440 : 400;
602    spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
603
604    new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
605        SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
606        SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
607    OS_REG_WRITE(ah, AR_PHY_TIMING11, new);
608
609
610    /*
611     * ============================================
612     * pilot mask 1 [31:0] = +6..-26, no 0 bin
613     * pilot mask 2 [19:0] = +26..+7
614     *
615     * channel mask 1 [31:0] = +6..-26, no 0 bin
616     * channel mask 2 [19:0] = +26..+7
617     */
618    //cur_bin = -26;
619    cur_bin = -6000;
620    upper = bin + 100;
621    lower = bin - 100;
622
623    for (i = 0; i < 4; i++) {
624        int pilot_mask = 0;
625        int chan_mask  = 0;
626        int bp         = 0;
627        for (bp = 0; bp < 30; bp++) {
628            if ((cur_bin > lower) && (cur_bin < upper)) {
629                pilot_mask = pilot_mask | 0x1 << bp;
630                chan_mask  = chan_mask | 0x1 << bp;
631            }
632            cur_bin += 100;
633        }
634        cur_bin += inc[i];
635        OS_REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
636        OS_REG_WRITE(ah, chan_mask_reg[i], chan_mask);
637    }
638
639    /* =================================================
640     * viterbi mask 1 based on channel magnitude
641     * four levels 0-3
642     *  - mask (-27 to 27) (reg 64,0x9900 to 67,0x990c)
643     *      [1 2 2 1] for -9.6 or [1 2 1] for +16
644     *  - enable_mask_ppm, all bins move with freq
645     *
646     *  - mask_select,    8 bits for rates (reg 67,0x990c)
647     *  - mask_rate_cntl, 8 bits for rates (reg 67,0x990c)
648     *      choose which mask to use mask or mask2
649     */
650
651    /*
652     * viterbi mask 2  2nd set for per data rate puncturing
653     * four levels 0-3
654     *  - mask_select, 8 bits for rates (reg 67)
655     *  - mask (-27 to 27) (reg 98,0x9988 to 101,0x9994)
656     *      [1 2 2 1] for -9.6 or [1 2 1] for +16
657     */
658    cur_vit_mask = 6100;
659    upper        = bin + 120;
660    lower        = bin - 120;
661
662    for (i = 0; i < 123; i++) {
663        if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
664            if ((abs(cur_vit_mask - bin)) < 75) {
665                mask_amt = 1;
666            } else {
667                mask_amt = 0;
668            }
669            if (cur_vit_mask < 0) {
670                mask_m[abs(cur_vit_mask / 100)] = mask_amt;
671            } else {
672                mask_p[cur_vit_mask / 100] = mask_amt;
673            }
674        }
675        cur_vit_mask -= 100;
676    }
677
678    tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
679          | (mask_m[48] << 26) | (mask_m[49] << 24)
680          | (mask_m[50] << 22) | (mask_m[51] << 20)
681          | (mask_m[52] << 18) | (mask_m[53] << 16)
682          | (mask_m[54] << 14) | (mask_m[55] << 12)
683          | (mask_m[56] << 10) | (mask_m[57] <<  8)
684          | (mask_m[58] <<  6) | (mask_m[59] <<  4)
685          | (mask_m[60] <<  2) | (mask_m[61] <<  0);
686    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
687    OS_REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
688
689    tmp_mask =             (mask_m[31] << 28)
690          | (mask_m[32] << 26) | (mask_m[33] << 24)
691          | (mask_m[34] << 22) | (mask_m[35] << 20)
692          | (mask_m[36] << 18) | (mask_m[37] << 16)
693          | (mask_m[48] << 14) | (mask_m[39] << 12)
694          | (mask_m[40] << 10) | (mask_m[41] <<  8)
695          | (mask_m[42] <<  6) | (mask_m[43] <<  4)
696          | (mask_m[44] <<  2) | (mask_m[45] <<  0);
697    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
698    OS_REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
699
700    tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
701          | (mask_m[18] << 26) | (mask_m[18] << 24)
702          | (mask_m[20] << 22) | (mask_m[20] << 20)
703          | (mask_m[22] << 18) | (mask_m[22] << 16)
704          | (mask_m[24] << 14) | (mask_m[24] << 12)
705          | (mask_m[25] << 10) | (mask_m[26] <<  8)
706          | (mask_m[27] <<  6) | (mask_m[28] <<  4)
707          | (mask_m[29] <<  2) | (mask_m[30] <<  0);
708    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
709    OS_REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
710
711    tmp_mask = (mask_m[ 0] << 30) | (mask_m[ 1] << 28)
712          | (mask_m[ 2] << 26) | (mask_m[ 3] << 24)
713          | (mask_m[ 4] << 22) | (mask_m[ 5] << 20)
714          | (mask_m[ 6] << 18) | (mask_m[ 7] << 16)
715          | (mask_m[ 8] << 14) | (mask_m[ 9] << 12)
716          | (mask_m[10] << 10) | (mask_m[11] <<  8)
717          | (mask_m[12] <<  6) | (mask_m[13] <<  4)
718          | (mask_m[14] <<  2) | (mask_m[15] <<  0);
719    OS_REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
720    OS_REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
721
722    tmp_mask =             (mask_p[15] << 28)
723          | (mask_p[14] << 26) | (mask_p[13] << 24)
724          | (mask_p[12] << 22) | (mask_p[11] << 20)
725          | (mask_p[10] << 18) | (mask_p[ 9] << 16)
726          | (mask_p[ 8] << 14) | (mask_p[ 7] << 12)
727          | (mask_p[ 6] << 10) | (mask_p[ 5] <<  8)
728          | (mask_p[ 4] <<  6) | (mask_p[ 3] <<  4)
729          | (mask_p[ 2] <<  2) | (mask_p[ 1] <<  0);
730    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
731    OS_REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
732
733    tmp_mask =             (mask_p[30] << 28)
734          | (mask_p[29] << 26) | (mask_p[28] << 24)
735          | (mask_p[27] << 22) | (mask_p[26] << 20)
736          | (mask_p[25] << 18) | (mask_p[24] << 16)
737          | (mask_p[23] << 14) | (mask_p[22] << 12)
738          | (mask_p[21] << 10) | (mask_p[20] <<  8)
739          | (mask_p[19] <<  6) | (mask_p[18] <<  4)
740          | (mask_p[17] <<  2) | (mask_p[16] <<  0);
741    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
742    OS_REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
743
744    tmp_mask =             (mask_p[45] << 28)
745          | (mask_p[44] << 26) | (mask_p[43] << 24)
746          | (mask_p[42] << 22) | (mask_p[41] << 20)
747          | (mask_p[40] << 18) | (mask_p[39] << 16)
748          | (mask_p[38] << 14) | (mask_p[37] << 12)
749          | (mask_p[36] << 10) | (mask_p[35] <<  8)
750          | (mask_p[34] <<  6) | (mask_p[33] <<  4)
751          | (mask_p[32] <<  2) | (mask_p[31] <<  0);
752    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
753    OS_REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
754
755    tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
756          | (mask_p[59] << 26) | (mask_p[58] << 24)
757          | (mask_p[57] << 22) | (mask_p[56] << 20)
758          | (mask_p[55] << 18) | (mask_p[54] << 16)
759          | (mask_p[53] << 14) | (mask_p[52] << 12)
760          | (mask_p[51] << 10) | (mask_p[50] <<  8)
761          | (mask_p[49] <<  6) | (mask_p[48] <<  4)
762          | (mask_p[47] <<  2) | (mask_p[46] <<  0);
763    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
764    OS_REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
765}
766
767/*
768 * Fill all software cached or static hardware state information.
769 * Return failure if capabilities are to come from EEPROM and
770 * cannot be read.
771 */
772HAL_BOOL
773ar5416FillCapabilityInfo(struct ath_hal *ah)
774{
775	struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
776	HAL_CAPABILITIES *pCap = &ahpriv->ah_caps;
777	uint16_t val;
778
779	/* Construct wireless mode from EEPROM */
780	pCap->halWirelessModes = 0;
781	if (ath_hal_eepromGetFlag(ah, AR_EEP_AMODE)) {
782		pCap->halWirelessModes |= HAL_MODE_11A
783				       |  HAL_MODE_11NA_HT20
784				       |  HAL_MODE_11NA_HT40PLUS
785				       |  HAL_MODE_11NA_HT40MINUS
786				       ;
787	}
788	if (ath_hal_eepromGetFlag(ah, AR_EEP_GMODE)) {
789		pCap->halWirelessModes |= HAL_MODE_11G
790				       |  HAL_MODE_11NG_HT20
791				       |  HAL_MODE_11NG_HT40PLUS
792				       |  HAL_MODE_11NG_HT40MINUS
793				       ;
794		pCap->halWirelessModes |= HAL_MODE_11A
795				       |  HAL_MODE_11NA_HT20
796				       |  HAL_MODE_11NA_HT40PLUS
797				       |  HAL_MODE_11NA_HT40MINUS
798				       ;
799	}
800
801	pCap->halLow2GhzChan = 2312;
802	pCap->halHigh2GhzChan = 2732;
803
804	pCap->halLow5GhzChan = 4915;
805	pCap->halHigh5GhzChan = 6100;
806
807	pCap->halCipherCkipSupport = AH_FALSE;
808	pCap->halCipherTkipSupport = AH_TRUE;
809	pCap->halCipherAesCcmSupport = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
810
811	pCap->halMicCkipSupport    = AH_FALSE;
812	pCap->halMicTkipSupport    = AH_TRUE;
813	pCap->halMicAesCcmSupport  = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
814	/*
815	 * Starting with Griffin TX+RX mic keys can be combined
816	 * in one key cache slot.
817	 */
818	pCap->halTkipMicTxRxKeySupport = AH_TRUE;
819	pCap->halChanSpreadSupport = AH_TRUE;
820	pCap->halSleepAfterBeaconBroken = AH_TRUE;
821
822	pCap->halCompressSupport = AH_FALSE;
823	pCap->halBurstSupport = AH_TRUE;
824	pCap->halFastFramesSupport = AH_FALSE;	/* XXX? */
825	pCap->halChapTuningSupport = AH_TRUE;
826	pCap->halTurboPrimeSupport = AH_TRUE;
827
828	pCap->halTurboGSupport = pCap->halWirelessModes & HAL_MODE_108G;
829
830	pCap->halPSPollBroken = AH_TRUE;	/* XXX fixed in later revs? */
831	pCap->halVEOLSupport = AH_TRUE;
832	pCap->halBssIdMaskSupport = AH_TRUE;
833	pCap->halMcastKeySrchSupport = AH_TRUE;	/* Works on AR5416 and later */
834	pCap->halTsfAddSupport = AH_TRUE;
835	pCap->hal4AddrAggrSupport = AH_FALSE;	/* Broken in Owl */
836
837	if (ath_hal_eepromGet(ah, AR_EEP_MAXQCU, &val) == HAL_OK)
838		pCap->halTotalQueues = val;
839	else
840		pCap->halTotalQueues = HAL_NUM_TX_QUEUES;
841
842	if (ath_hal_eepromGet(ah, AR_EEP_KCENTRIES, &val) == HAL_OK)
843		pCap->halKeyCacheSize = val;
844	else
845		pCap->halKeyCacheSize = AR5416_KEYTABLE_SIZE;
846
847	/* XXX not needed */
848	pCap->halChanHalfRate = AH_FALSE;	/* XXX ? */
849	pCap->halChanQuarterRate = AH_FALSE;	/* XXX ? */
850
851	pCap->halTstampPrecision = 32;
852	pCap->halHwPhyCounterSupport = AH_TRUE;
853	pCap->halIntrMask = HAL_INT_COMMON
854			| HAL_INT_RX
855			| HAL_INT_TX
856			| HAL_INT_FATAL
857			| HAL_INT_BNR
858			| HAL_INT_BMISC
859			| HAL_INT_DTIMSYNC
860			| HAL_INT_TSFOOR
861			| HAL_INT_CST
862			| HAL_INT_GTT
863			;
864
865	pCap->halFastCCSupport = AH_TRUE;
866	pCap->halNumGpioPins = 6;
867	pCap->halWowSupport = AH_FALSE;
868	pCap->halWowMatchPatternExact = AH_FALSE;
869	pCap->halBtCoexSupport = AH_FALSE;	/* XXX need support */
870	pCap->halAutoSleepSupport = AH_FALSE;
871	pCap->hal4kbSplitTransSupport = AH_TRUE;
872	/* Disable this so Block-ACK works correctly */
873	pCap->halHasRxSelfLinkedTail = AH_FALSE;
874#if 0	/* XXX not yet */
875	pCap->halNumAntCfg2GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_2GHZ);
876	pCap->halNumAntCfg5GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_5GHZ);
877#endif
878	pCap->halHTSupport = AH_TRUE;
879	pCap->halTxChainMask = ath_hal_eepromGet(ah, AR_EEP_TXMASK, AH_NULL);
880	/* XXX CB71 uses GPIO 0 to indicate 3 rx chains */
881	pCap->halRxChainMask = ath_hal_eepromGet(ah, AR_EEP_RXMASK, AH_NULL);
882	/* AR5416 may have 3 antennas but is a 2x2 stream device */
883	pCap->halTxStreams = 2;
884	pCap->halRxStreams = 2;
885	pCap->halRtsAggrLimit = 8*1024;		/* Owl 2.0 limit */
886	pCap->halMbssidAggrSupport = AH_FALSE;	/* Broken on Owl */
887	pCap->halForcePpmSupport = AH_TRUE;
888	pCap->halEnhancedPmSupport = AH_TRUE;
889	pCap->halBssidMatchSupport = AH_TRUE;
890	pCap->halGTTSupport = AH_TRUE;
891	pCap->halCSTSupport = AH_TRUE;
892	pCap->halEnhancedDfsSupport = AH_FALSE;
893	/* Hardware supports 32 bit TSF values in the RX descriptor */
894	pCap->halHasLongRxDescTsf = AH_TRUE;
895
896	if (ath_hal_eepromGetFlag(ah, AR_EEP_RFKILL) &&
897	    ath_hal_eepromGet(ah, AR_EEP_RFSILENT, &ahpriv->ah_rfsilent) == HAL_OK) {
898		/* NB: enabled by default */
899		ahpriv->ah_rfkillEnabled = AH_TRUE;
900		pCap->halRfSilentSupport = AH_TRUE;
901	}
902
903	ahpriv->ah_rxornIsFatal = AH_FALSE;
904
905	return AH_TRUE;
906}
907
908static const char*
909ar5416Probe(uint16_t vendorid, uint16_t devid)
910{
911	if (vendorid == ATHEROS_VENDOR_ID &&
912	    (devid == AR5416_DEVID_PCI || devid == AR5416_DEVID_PCIE))
913		return "Atheros 5416";
914	return AH_NULL;
915}
916AH_CHIP(AR5416, ar5416Probe, ar5416Attach);
917