ar5416_attach.c revision 203159
1238106Sdes/*
2238106Sdes * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
3238106Sdes * Copyright (c) 2002-2008 Atheros Communications, Inc.
4238106Sdes *
5238106Sdes * Permission to use, copy, modify, and/or distribute this software for any
6238106Sdes * purpose with or without fee is hereby granted, provided that the above
7238106Sdes * copyright notice and this permission notice appear in all copies.
8238106Sdes *
9238106Sdes * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10238106Sdes * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11238106Sdes * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12238106Sdes * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13238106Sdes * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14238106Sdes * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15238106Sdes * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16238106Sdes *
17238106Sdes * $FreeBSD: head/sys/dev/ath/ath_hal/ar5416/ar5416_attach.c 203159 2010-01-29 10:10:14Z rpaulo $
18238106Sdes */
19238106Sdes#include "opt_ah.h"
20238106Sdes
21238106Sdes#include "ah.h"
22238106Sdes#include "ah_internal.h"
23238106Sdes#include "ah_devid.h"
24269257Sdes
25269257Sdes#include "ah_eeprom_v14.h"
26269257Sdes
27269257Sdes#include "ar5416/ar5416.h"
28269257Sdes#include "ar5416/ar5416reg.h"
29269257Sdes#include "ar5416/ar5416phy.h"
30269257Sdes
31269257Sdes#include "ar5416/ar5416.ini"
32269257Sdes
33269257Sdesstatic void ar5416ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore);
34238106Sdesstatic void ar5416WriteIni(struct ath_hal *ah,
35238106Sdes	    const struct ieee80211_channel *chan);
36238106Sdesstatic void ar5416SpurMitigate(struct ath_hal *ah,
37238106Sdes	    const struct ieee80211_channel *chan);
38238106Sdes
39238106Sdesstatic void
40238106Sdesar5416AniSetup(struct ath_hal *ah)
41238106Sdes{
42238106Sdes	static const struct ar5212AniParams aniparams = {
43238106Sdes		.maxNoiseImmunityLevel	= 4,	/* levels 0..4 */
44238106Sdes		.totalSizeDesired	= { -55, -55, -55, -55, -62 },
45238106Sdes		.coarseHigh		= { -14, -14, -14, -14, -12 },
46238106Sdes		.coarseLow		= { -64, -64, -64, -64, -70 },
47238106Sdes		.firpwr			= { -78, -78, -78, -78, -80 },
48238106Sdes		.maxSpurImmunityLevel	= 2,
49238106Sdes		.cycPwrThr1		= { 2, 4, 6 },
50291767Sdes		.maxFirstepLevel	= 2,	/* levels 0..2 */
51291767Sdes		.firstep		= { 0, 4, 8 },
52291767Sdes		.ofdmTrigHigh		= 500,
53238106Sdes		.ofdmTrigLow		= 200,
54238106Sdes		.cckTrigHigh		= 200,
55238106Sdes		.cckTrigLow		= 100,
56238106Sdes		.rssiThrHigh		= 40,
57238106Sdes		.rssiThrLow		= 7,
58238106Sdes		.period			= 100,
59238106Sdes	};
60238106Sdes	/* NB: ANI is not enabled yet */
61238106Sdes	ar5212AniAttach(ah, &aniparams, &aniparams, AH_FALSE);
62238106Sdes}
63238106Sdes
64238106Sdes/*
65238106Sdes * Attach for an AR5416 part.
66238106Sdes */
67238106Sdesvoid
68238106Sdesar5416InitState(struct ath_hal_5416 *ahp5416, uint16_t devid, HAL_SOFTC sc,
69238106Sdes	HAL_BUS_TAG st, HAL_BUS_HANDLE sh, HAL_STATUS *status)
70238106Sdes{
71238106Sdes	struct ath_hal_5212 *ahp;
72238106Sdes	struct ath_hal *ah;
73238106Sdes
74238106Sdes	ahp = &ahp5416->ah_5212;
75238106Sdes	ar5212InitState(ahp, devid, sc, st, sh, status);
76238106Sdes	ah = &ahp->ah_priv.h;
77238106Sdes
78238106Sdes	/* override 5212 methods for our needs */
79238106Sdes	ah->ah_magic			= AR5416_MAGIC;
80238106Sdes	ah->ah_getRateTable		= ar5416GetRateTable;
81238106Sdes	ah->ah_detach			= ar5416Detach;
82238106Sdes
83238106Sdes	/* Reset functions */
84238106Sdes	ah->ah_reset			= ar5416Reset;
85238106Sdes	ah->ah_phyDisable		= ar5416PhyDisable;
86238106Sdes	ah->ah_disable			= ar5416Disable;
87238106Sdes	ah->ah_configPCIE		= ar5416ConfigPCIE;
88238106Sdes	ah->ah_perCalibration		= ar5416PerCalibration;
89238106Sdes	ah->ah_perCalibrationN		= ar5416PerCalibrationN,
90238106Sdes	ah->ah_resetCalValid		= ar5416ResetCalValid,
91238106Sdes	ah->ah_setTxPowerLimit		= ar5416SetTxPowerLimit;
92238106Sdes
93238106Sdes	/* Transmit functions */
94238106Sdes	ah->ah_stopTxDma		= ar5416StopTxDma;
95238106Sdes	ah->ah_setupTxDesc		= ar5416SetupTxDesc;
96238106Sdes	ah->ah_setupXTxDesc		= ar5416SetupXTxDesc;
97238106Sdes	ah->ah_fillTxDesc		= ar5416FillTxDesc;
98238106Sdes	ah->ah_procTxDesc		= ar5416ProcTxDesc;
99238106Sdes
100238106Sdes	/* Receive Functions */
101238106Sdes	ah->ah_startPcuReceive		= ar5416StartPcuReceive;
102238106Sdes	ah->ah_stopPcuReceive		= ar5416StopPcuReceive;
103238106Sdes	ah->ah_setupRxDesc		= ar5416SetupRxDesc;
104238106Sdes	ah->ah_procRxDesc		= ar5416ProcRxDesc;
105238106Sdes	ah->ah_rxMonitor		= ar5416AniPoll,
106238106Sdes	ah->ah_procMibEvent		= ar5416ProcessMibIntr,
107238106Sdes
108238106Sdes	/* Misc Functions */
109238106Sdes	ah->ah_getDiagState		= ar5416GetDiagState;
110238106Sdes	ah->ah_setLedState		= ar5416SetLedState;
111238106Sdes	ah->ah_gpioCfgOutput		= ar5416GpioCfgOutput;
112238106Sdes	ah->ah_gpioCfgInput		= ar5416GpioCfgInput;
113238106Sdes	ah->ah_gpioGet			= ar5416GpioGet;
114238106Sdes	ah->ah_gpioSet			= ar5416GpioSet;
115238106Sdes	ah->ah_gpioSetIntr		= ar5416GpioSetIntr;
116238106Sdes	ah->ah_resetTsf			= ar5416ResetTsf;
117238106Sdes	ah->ah_getRfGain		= ar5416GetRfgain;
118238106Sdes	ah->ah_setAntennaSwitch		= ar5416SetAntennaSwitch;
119238106Sdes	ah->ah_setDecompMask		= ar5416SetDecompMask;
120238106Sdes	ah->ah_setCoverageClass		= ar5416SetCoverageClass;
121238106Sdes
122238106Sdes	ah->ah_resetKeyCacheEntry	= ar5416ResetKeyCacheEntry;
123238106Sdes	ah->ah_setKeyCacheEntry		= ar5416SetKeyCacheEntry;
124238106Sdes
125238106Sdes	/* Power Management Functions */
126238106Sdes	ah->ah_setPowerMode		= ar5416SetPowerMode;
127238106Sdes
128238106Sdes	/* Beacon Management Functions */
129238106Sdes	ah->ah_setBeaconTimers		= ar5416SetBeaconTimers;
130238106Sdes	ah->ah_beaconInit		= ar5416BeaconInit;
131238106Sdes	ah->ah_setStationBeaconTimers	= ar5416SetStaBeaconTimers;
132238106Sdes	ah->ah_resetStationBeaconTimers	= ar5416ResetStaBeaconTimers;
133238106Sdes
134238106Sdes	/* XXX 802.11n Functions */
135238106Sdes#if 0
136238106Sdes	ah->ah_chainTxDesc		= ar5416ChainTxDesc;
137238106Sdes	ah->ah_setupFirstTxDesc		= ar5416SetupFirstTxDesc;
138238106Sdes	ah->ah_setupLastTxDesc		= ar5416SetupLastTxDesc;
139238106Sdes	ah->ah_set11nRateScenario	= ar5416Set11nRateScenario;
140238106Sdes	ah->ah_set11nAggrMiddle		= ar5416Set11nAggrMiddle;
141238106Sdes	ah->ah_clr11nAggr		= ar5416Clr11nAggr;
142238106Sdes	ah->ah_set11nBurstDuration	= ar5416Set11nBurstDuration;
143238106Sdes	ah->ah_get11nExtBusy		= ar5416Get11nExtBusy;
144238106Sdes	ah->ah_set11nMac2040		= ar5416Set11nMac2040;
145238106Sdes	ah->ah_get11nRxClear		= ar5416Get11nRxClear;
146238106Sdes	ah->ah_set11nRxClear		= ar5416Set11nRxClear;
147238106Sdes#endif
148238106Sdes
149238106Sdes	/* Interrupt functions */
150238106Sdes	ah->ah_isInterruptPending	= ar5416IsInterruptPending;
151238106Sdes	ah->ah_getPendingInterrupts	= ar5416GetPendingInterrupts;
152238106Sdes	ah->ah_setInterrupts		= ar5416SetInterrupts;
153238106Sdes
154238106Sdes	ahp->ah_priv.ah_getWirelessModes= ar5416GetWirelessModes;
155238106Sdes	ahp->ah_priv.ah_eepromRead	= ar5416EepromRead;
156238106Sdes#ifdef AH_SUPPORT_WRITE_EEPROM
157238106Sdes	ahp->ah_priv.ah_eepromWrite	= ar5416EepromWrite;
158238106Sdes#endif
159238106Sdes	ahp->ah_priv.ah_getChipPowerLimits = ar5416GetChipPowerLimits;
160238106Sdes
161238106Sdes	AH5416(ah)->ah_writeIni		= ar5416WriteIni;
162238106Sdes	AH5416(ah)->ah_spurMitigate	= ar5416SpurMitigate;
163238106Sdes	/*
164238106Sdes	 * Start by setting all Owl devices to 2x2
165238106Sdes	 */
166238106Sdes	AH5416(ah)->ah_rx_chainmask = AR5416_DEFAULT_RXCHAINMASK;
167238106Sdes	AH5416(ah)->ah_tx_chainmask = AR5416_DEFAULT_TXCHAINMASK;
168238106Sdes}
169238106Sdes
170238106Sdesuint32_t
171238106Sdesar5416GetRadioRev(struct ath_hal *ah)
172238106Sdes{
173238106Sdes	uint32_t val;
174238106Sdes	int i;
175238106Sdes
176238106Sdes	/* Read Radio Chip Rev Extract */
177238106Sdes	OS_REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
178238106Sdes	for (i = 0; i < 8; i++)
179238106Sdes		OS_REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
180238106Sdes	val = (OS_REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
181238106Sdes	val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
182238106Sdes	return ath_hal_reverseBits(val, 8);
183238106Sdes}
184238106Sdes
185238106Sdes/*
186238106Sdes * Attach for an AR5416 part.
187238106Sdes */
188269257Sdesstatic struct ath_hal *
189238106Sdesar5416Attach(uint16_t devid, HAL_SOFTC sc,
190238106Sdes	HAL_BUS_TAG st, HAL_BUS_HANDLE sh, HAL_STATUS *status)
191238106Sdes{
192238106Sdes	struct ath_hal_5416 *ahp5416;
193238106Sdes	struct ath_hal_5212 *ahp;
194238106Sdes	struct ath_hal *ah;
195238106Sdes	uint32_t val;
196238106Sdes	HAL_STATUS ecode;
197238106Sdes	HAL_BOOL rfStatus;
198238106Sdes
199238106Sdes	HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
200238106Sdes	    __func__, sc, (void*) st, (void*) sh);
201238106Sdes
202238106Sdes	/* NB: memory is returned zero'd */
203238106Sdes	ahp5416 = ath_hal_malloc(sizeof (struct ath_hal_5416) +
204238106Sdes		/* extra space for Owl 2.1/2.2 WAR */
205238106Sdes		sizeof(ar5416Addac)
206238106Sdes	);
207238106Sdes	if (ahp5416 == AH_NULL) {
208238106Sdes		HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
209238106Sdes		    "%s: cannot allocate memory for state block\n", __func__);
210269257Sdes		*status = HAL_ENOMEM;
211238106Sdes		return AH_NULL;
212238106Sdes	}
213238106Sdes	ar5416InitState(ahp5416, devid, sc, st, sh, status);
214238106Sdes	ahp = &ahp5416->ah_5212;
215238106Sdes	ah = &ahp->ah_priv.h;
216238106Sdes
217238106Sdes	if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
218238106Sdes		/* reset chip */
219238106Sdes		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n", __func__);
220269257Sdes		ecode = HAL_EIO;
221238106Sdes		goto bad;
222238106Sdes	}
223238106Sdes
224238106Sdes	if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
225238106Sdes		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n", __func__);
226238106Sdes		ecode = HAL_EIO;
227238106Sdes		goto bad;
228238106Sdes	}
229238106Sdes	/* Read Revisions from Chips before taking out of reset */
230238106Sdes	val = OS_REG_READ(ah, AR_SREV) & AR_SREV_ID;
231238106Sdes	AH_PRIVATE(ah)->ah_macVersion = val >> AR_SREV_ID_S;
232238106Sdes	AH_PRIVATE(ah)->ah_macRev = val & AR_SREV_REVISION;
233238106Sdes	AH_PRIVATE(ah)->ah_ispcie = (devid == AR5416_DEVID_PCIE);
234238106Sdes
235238106Sdes	/* setup common ini data; rf backends handle remainder */
236238106Sdes	HAL_INI_INIT(&ahp->ah_ini_modes, ar5416Modes, 6);
237238106Sdes	HAL_INI_INIT(&ahp->ah_ini_common, ar5416Common, 2);
238238106Sdes
239238106Sdes	HAL_INI_INIT(&AH5416(ah)->ah_ini_bb_rfgain, ar5416BB_RfGain, 3);
240238106Sdes	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank0, ar5416Bank0, 2);
241238106Sdes	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank1, ar5416Bank1, 2);
242238106Sdes	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank2, ar5416Bank2, 2);
243238106Sdes	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank3, ar5416Bank3, 3);
244238106Sdes	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank6, ar5416Bank6, 3);
245238106Sdes	HAL_INI_INIT(&AH5416(ah)->ah_ini_bank7, ar5416Bank7, 2);
246238106Sdes	HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar5416Addac, 2);
247238106Sdes
248238106Sdes	if (!IS_5416V2_2(ah)) {		/* Owl 2.1/2.0 */
249238106Sdes		struct ini {
250238106Sdes			uint32_t	*data;		/* NB: !const */
251238106Sdes			int		rows, cols;
252238106Sdes		};
253238106Sdes		/* override CLKDRV value */
254238106Sdes		OS_MEMCPY(&AH5416(ah)[1], ar5416Addac, sizeof(ar5416Addac));
255238106Sdes		AH5416(ah)->ah_ini_addac.data = (uint32_t *) &AH5416(ah)[1];
256238106Sdes		HAL_INI_VAL((struct ini *)&AH5416(ah)->ah_ini_addac, 31, 1) = 0;
257238106Sdes	}
258238106Sdes
259238106Sdes	HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes, ar5416PciePhy, 2);
260238106Sdes	ar5416AttachPCIE(ah);
261238106Sdes
262238106Sdes	ecode = ath_hal_v14EepromAttach(ah);
263238106Sdes	if (ecode != HAL_OK)
264238106Sdes		goto bad;
265238106Sdes
266238106Sdes	if (!ar5416ChipReset(ah, AH_NULL)) {	/* reset chip */
267238106Sdes		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n",
268238106Sdes		    __func__);
269238106Sdes		ecode = HAL_EIO;
270238106Sdes		goto bad;
271269257Sdes	}
272269257Sdes
273269257Sdes	AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
274269257Sdes
275269257Sdes	if (!ar5212ChipTest(ah)) {
276269257Sdes		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
277269257Sdes		    __func__);
278269257Sdes		ecode = HAL_ESELFTEST;
279269257Sdes		goto bad;
280269257Sdes	}
281269257Sdes
282269257Sdes	/*
283269257Sdes	 * Set correct Baseband to analog shift
284269257Sdes	 * setting to access analog chips.
285269257Sdes	 */
286269257Sdes	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
287269257Sdes
288269257Sdes	/* Read Radio Chip Rev Extract */
289269257Sdes	AH_PRIVATE(ah)->ah_analog5GhzRev = ar5212GetRadioRev(ah);
290269257Sdes	switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
291269257Sdes        case AR_RAD5122_SREV_MAJOR:	/* Fowl: 5G/2x2 */
292269257Sdes        case AR_RAD2122_SREV_MAJOR:	/* Fowl: 2+5G/2x2 */
293269257Sdes        case AR_RAD2133_SREV_MAJOR:	/* Fowl: 2G/3x3 */
294269257Sdes	case AR_RAD5133_SREV_MAJOR:	/* Fowl: 2+5G/3x3 */
295269257Sdes		break;
296269257Sdes	default:
297269257Sdes		if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
298269257Sdes			/*
299269257Sdes			 * When RF_Silen is used the analog chip is reset.
300269257Sdes			 * So when the system boots with radio switch off
301269257Sdes			 * the RF chip rev reads back as zero and we need
302269257Sdes			 * to use the mac+phy revs to set the radio rev.
303269257Sdes			 */
304269257Sdes			AH_PRIVATE(ah)->ah_analog5GhzRev =
305269257Sdes				AR_RAD5133_SREV_MAJOR;
306269257Sdes			break;
307269257Sdes		}
308269257Sdes		/* NB: silently accept anything in release code per Atheros */
309269257Sdes#ifdef AH_DEBUG
310269257Sdes		HALDEBUG(ah, HAL_DEBUG_ANY,
311269257Sdes		    "%s: 5G Radio Chip Rev 0x%02X is not supported by "
312269257Sdes		    "this driver\n", __func__,
313269257Sdes		    AH_PRIVATE(ah)->ah_analog5GhzRev);
314269257Sdes		ecode = HAL_ENOTSUPP;
315269257Sdes		goto bad;
316269257Sdes#endif
317269257Sdes	}
318238106Sdes
319238106Sdes	/*
320238106Sdes	 * Got everything we need now to setup the capabilities.
321238106Sdes	 */
322238106Sdes	if (!ar5416FillCapabilityInfo(ah)) {
323238106Sdes		ecode = HAL_EEREAD;
324238106Sdes		goto bad;
325238106Sdes	}
326238106Sdes
327269257Sdes	ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
328238106Sdes	if (ecode != HAL_OK) {
329238106Sdes		HALDEBUG(ah, HAL_DEBUG_ANY,
330238106Sdes		    "%s: error getting mac address from EEPROM\n", __func__);
331238106Sdes		goto bad;
332238106Sdes        }
333238106Sdes	/* XXX How about the serial number ? */
334238106Sdes	/* Read Reg Domain */
335238106Sdes	AH_PRIVATE(ah)->ah_currentRD =
336238106Sdes	    ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
337238106Sdes
338238106Sdes	/*
339238106Sdes	 * ah_miscMode is populated by ar5416FillCapabilityInfo()
340238106Sdes	 * starting from griffin. Set here to make sure that
341238106Sdes	 * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
342238106Sdes	 * placed into hardware.
343238106Sdes	 */
344238106Sdes	if (ahp->ah_miscMode != 0)
345238106Sdes		OS_REG_WRITE(ah, AR_MISC_MODE, ahp->ah_miscMode);
346238106Sdes
347238106Sdes	rfStatus = ar2133RfAttach(ah, &ecode);
348238106Sdes	if (!rfStatus) {
349238106Sdes		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
350238106Sdes		    __func__, ecode);
351238106Sdes		goto bad;
352238106Sdes	}
353238106Sdes
354238106Sdes	ar5416AniSetup(ah);			/* Anti Noise Immunity */
355238106Sdes	ar5416InitNfHistBuff(ah, AH5416(ah)->ah_cal.nfCalHist);
356238106Sdes
357238106Sdes	HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
358238106Sdes
359238106Sdes	return ah;
360238106Sdesbad:
361238106Sdes	if (ahp)
362238106Sdes		ar5416Detach((struct ath_hal *) ahp);
363238106Sdes	if (status)
364238106Sdes		*status = ecode;
365238106Sdes	return AH_NULL;
366269257Sdes}
367238106Sdes
368238106Sdesvoid
369238106Sdesar5416Detach(struct ath_hal *ah)
370238106Sdes{
371238106Sdes	HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s:\n", __func__);
372238106Sdes
373238106Sdes	HALASSERT(ah != AH_NULL);
374238106Sdes	HALASSERT(ah->ah_magic == AR5416_MAGIC);
375238106Sdes
376238106Sdes	ar5416AniDetach(ah);
377238106Sdes	ar5212RfDetach(ah);
378238106Sdes	ah->ah_disable(ah);
379238106Sdes	ar5416SetPowerMode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
380238106Sdes	ath_hal_eepromDetach(ah);
381238106Sdes	ath_hal_free(ah);
382238106Sdes}
383238106Sdes
384238106Sdesvoid
385238106Sdesar5416AttachPCIE(struct ath_hal *ah)
386238106Sdes{
387238106Sdes	if (AH_PRIVATE(ah)->ah_ispcie)
388238106Sdes		ath_hal_configPCIE(ah, AH_FALSE);
389238106Sdes	else
390		ath_hal_disablePCIE(ah);
391}
392
393static void
394ar5416ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore)
395{
396	if (AH_PRIVATE(ah)->ah_ispcie && !restore) {
397		ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0);
398		OS_DELAY(1000);
399		OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
400		OS_REG_WRITE(ah, AR_WA, AR_WA_DEFAULT);
401	}
402}
403
404static void
405ar5416WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan)
406{
407	u_int modesIndex, freqIndex;
408	int regWrites = 0;
409
410	/* Setup the indices for the next set of register array writes */
411	/* XXX Ignore 11n dynamic mode on the AR5416 for the moment */
412	if (IEEE80211_IS_CHAN_2GHZ(chan)) {
413		freqIndex = 2;
414		if (IEEE80211_IS_CHAN_HT40(chan))
415			modesIndex = 3;
416		else if (IEEE80211_IS_CHAN_108G(chan))
417			modesIndex = 5;
418		else
419			modesIndex = 4;
420	} else {
421		freqIndex = 1;
422		if (IEEE80211_IS_CHAN_HT40(chan) ||
423		    IEEE80211_IS_CHAN_TURBO(chan))
424			modesIndex = 2;
425		else
426			modesIndex = 1;
427	}
428
429	/* Set correct Baseband to analog shift setting to access analog chips. */
430	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
431
432	/*
433	 * Write addac shifts
434	 */
435	OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
436#if 0
437	/* NB: only required for Sowl */
438	ar5416EepromSetAddac(ah, chan);
439#endif
440	regWrites = ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_addac, 1,
441	    regWrites);
442	OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
443
444	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes,
445	    modesIndex, regWrites);
446	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common,
447	    1, regWrites);
448
449	/* XXX updated regWrites? */
450	AH5212(ah)->ah_rfHal->writeRegs(ah, modesIndex, freqIndex, regWrites);
451}
452
453/*
454 * Convert to baseband spur frequency given input channel frequency
455 * and compute register settings below.
456 */
457
458static void
459ar5416SpurMitigate(struct ath_hal *ah, const struct ieee80211_channel *chan)
460{
461    uint16_t freq = ath_hal_gethwchannel(ah, chan);
462    static const int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
463                AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60 };
464    static const int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
465                AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60 };
466    static const int inc[4] = { 0, 100, 0, 0 };
467
468    int bb_spur = AR_NO_SPUR;
469    int bin, cur_bin;
470    int spur_freq_sd;
471    int spur_delta_phase;
472    int denominator;
473    int upper, lower, cur_vit_mask;
474    int tmp, new;
475    int i;
476
477    int8_t mask_m[123];
478    int8_t mask_p[123];
479    int8_t mask_amt;
480    int tmp_mask;
481    int cur_bb_spur;
482    HAL_BOOL is2GHz = IEEE80211_IS_CHAN_2GHZ(chan);
483
484    OS_MEMZERO(mask_m, sizeof(mask_m));
485    OS_MEMZERO(mask_p, sizeof(mask_p));
486
487    /*
488     * Need to verify range +/- 9.5 for static ht20, otherwise spur
489     * is out-of-band and can be ignored.
490     */
491    /* XXX ath9k changes */
492    for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) {
493        cur_bb_spur = ath_hal_getSpurChan(ah, i, is2GHz);
494        if (AR_NO_SPUR == cur_bb_spur)
495            break;
496        cur_bb_spur = cur_bb_spur - (freq * 10);
497        if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
498            bb_spur = cur_bb_spur;
499            break;
500        }
501    }
502    if (AR_NO_SPUR == bb_spur)
503        return;
504
505    bin = bb_spur * 32;
506
507    tmp = OS_REG_READ(ah, AR_PHY_TIMING_CTRL4_CHAIN(0));
508    new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
509        AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
510        AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
511        AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
512
513    OS_REG_WRITE(ah, AR_PHY_TIMING_CTRL4_CHAIN(0), new);
514
515    new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
516        AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
517        AR_PHY_SPUR_REG_MASK_RATE_SELECT |
518        AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
519        SM(AR5416_SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
520    OS_REG_WRITE(ah, AR_PHY_SPUR_REG, new);
521    /*
522     * Should offset bb_spur by +/- 10 MHz for dynamic 2040 MHz
523     * config, no offset for HT20.
524     * spur_delta_phase = bb_spur/40 * 2**21 for static ht20,
525     * /80 for dyn2040.
526     */
527    spur_delta_phase = ((bb_spur * 524288) / 100) &
528        AR_PHY_TIMING11_SPUR_DELTA_PHASE;
529    /*
530     * in 11A mode the denominator of spur_freq_sd should be 40 and
531     * it should be 44 in 11G
532     */
533    denominator = IEEE80211_IS_CHAN_2GHZ(chan) ? 440 : 400;
534    spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
535
536    new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
537        SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
538        SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
539    OS_REG_WRITE(ah, AR_PHY_TIMING11, new);
540
541
542    /*
543     * ============================================
544     * pilot mask 1 [31:0] = +6..-26, no 0 bin
545     * pilot mask 2 [19:0] = +26..+7
546     *
547     * channel mask 1 [31:0] = +6..-26, no 0 bin
548     * channel mask 2 [19:0] = +26..+7
549     */
550    //cur_bin = -26;
551    cur_bin = -6000;
552    upper = bin + 100;
553    lower = bin - 100;
554
555    for (i = 0; i < 4; i++) {
556        int pilot_mask = 0;
557        int chan_mask  = 0;
558        int bp         = 0;
559        for (bp = 0; bp < 30; bp++) {
560            if ((cur_bin > lower) && (cur_bin < upper)) {
561                pilot_mask = pilot_mask | 0x1 << bp;
562                chan_mask  = chan_mask | 0x1 << bp;
563            }
564            cur_bin += 100;
565        }
566        cur_bin += inc[i];
567        OS_REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
568        OS_REG_WRITE(ah, chan_mask_reg[i], chan_mask);
569    }
570
571    /* =================================================
572     * viterbi mask 1 based on channel magnitude
573     * four levels 0-3
574     *  - mask (-27 to 27) (reg 64,0x9900 to 67,0x990c)
575     *      [1 2 2 1] for -9.6 or [1 2 1] for +16
576     *  - enable_mask_ppm, all bins move with freq
577     *
578     *  - mask_select,    8 bits for rates (reg 67,0x990c)
579     *  - mask_rate_cntl, 8 bits for rates (reg 67,0x990c)
580     *      choose which mask to use mask or mask2
581     */
582
583    /*
584     * viterbi mask 2  2nd set for per data rate puncturing
585     * four levels 0-3
586     *  - mask_select, 8 bits for rates (reg 67)
587     *  - mask (-27 to 27) (reg 98,0x9988 to 101,0x9994)
588     *      [1 2 2 1] for -9.6 or [1 2 1] for +16
589     */
590    cur_vit_mask = 6100;
591    upper        = bin + 120;
592    lower        = bin - 120;
593
594    for (i = 0; i < 123; i++) {
595        if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
596            if ((abs(cur_vit_mask - bin)) < 75) {
597                mask_amt = 1;
598            } else {
599                mask_amt = 0;
600            }
601            if (cur_vit_mask < 0) {
602                mask_m[abs(cur_vit_mask / 100)] = mask_amt;
603            } else {
604                mask_p[cur_vit_mask / 100] = mask_amt;
605            }
606        }
607        cur_vit_mask -= 100;
608    }
609
610    tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
611          | (mask_m[48] << 26) | (mask_m[49] << 24)
612          | (mask_m[50] << 22) | (mask_m[51] << 20)
613          | (mask_m[52] << 18) | (mask_m[53] << 16)
614          | (mask_m[54] << 14) | (mask_m[55] << 12)
615          | (mask_m[56] << 10) | (mask_m[57] <<  8)
616          | (mask_m[58] <<  6) | (mask_m[59] <<  4)
617          | (mask_m[60] <<  2) | (mask_m[61] <<  0);
618    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
619    OS_REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
620
621    tmp_mask =             (mask_m[31] << 28)
622          | (mask_m[32] << 26) | (mask_m[33] << 24)
623          | (mask_m[34] << 22) | (mask_m[35] << 20)
624          | (mask_m[36] << 18) | (mask_m[37] << 16)
625          | (mask_m[48] << 14) | (mask_m[39] << 12)
626          | (mask_m[40] << 10) | (mask_m[41] <<  8)
627          | (mask_m[42] <<  6) | (mask_m[43] <<  4)
628          | (mask_m[44] <<  2) | (mask_m[45] <<  0);
629    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
630    OS_REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
631
632    tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
633          | (mask_m[18] << 26) | (mask_m[18] << 24)
634          | (mask_m[20] << 22) | (mask_m[20] << 20)
635          | (mask_m[22] << 18) | (mask_m[22] << 16)
636          | (mask_m[24] << 14) | (mask_m[24] << 12)
637          | (mask_m[25] << 10) | (mask_m[26] <<  8)
638          | (mask_m[27] <<  6) | (mask_m[28] <<  4)
639          | (mask_m[29] <<  2) | (mask_m[30] <<  0);
640    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
641    OS_REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
642
643    tmp_mask = (mask_m[ 0] << 30) | (mask_m[ 1] << 28)
644          | (mask_m[ 2] << 26) | (mask_m[ 3] << 24)
645          | (mask_m[ 4] << 22) | (mask_m[ 5] << 20)
646          | (mask_m[ 6] << 18) | (mask_m[ 7] << 16)
647          | (mask_m[ 8] << 14) | (mask_m[ 9] << 12)
648          | (mask_m[10] << 10) | (mask_m[11] <<  8)
649          | (mask_m[12] <<  6) | (mask_m[13] <<  4)
650          | (mask_m[14] <<  2) | (mask_m[15] <<  0);
651    OS_REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
652    OS_REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
653
654    tmp_mask =             (mask_p[15] << 28)
655          | (mask_p[14] << 26) | (mask_p[13] << 24)
656          | (mask_p[12] << 22) | (mask_p[11] << 20)
657          | (mask_p[10] << 18) | (mask_p[ 9] << 16)
658          | (mask_p[ 8] << 14) | (mask_p[ 7] << 12)
659          | (mask_p[ 6] << 10) | (mask_p[ 5] <<  8)
660          | (mask_p[ 4] <<  6) | (mask_p[ 3] <<  4)
661          | (mask_p[ 2] <<  2) | (mask_p[ 1] <<  0);
662    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
663    OS_REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
664
665    tmp_mask =             (mask_p[30] << 28)
666          | (mask_p[29] << 26) | (mask_p[28] << 24)
667          | (mask_p[27] << 22) | (mask_p[26] << 20)
668          | (mask_p[25] << 18) | (mask_p[24] << 16)
669          | (mask_p[23] << 14) | (mask_p[22] << 12)
670          | (mask_p[21] << 10) | (mask_p[20] <<  8)
671          | (mask_p[19] <<  6) | (mask_p[18] <<  4)
672          | (mask_p[17] <<  2) | (mask_p[16] <<  0);
673    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
674    OS_REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
675
676    tmp_mask =             (mask_p[45] << 28)
677          | (mask_p[44] << 26) | (mask_p[43] << 24)
678          | (mask_p[42] << 22) | (mask_p[41] << 20)
679          | (mask_p[40] << 18) | (mask_p[39] << 16)
680          | (mask_p[38] << 14) | (mask_p[37] << 12)
681          | (mask_p[36] << 10) | (mask_p[35] <<  8)
682          | (mask_p[34] <<  6) | (mask_p[33] <<  4)
683          | (mask_p[32] <<  2) | (mask_p[31] <<  0);
684    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
685    OS_REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
686
687    tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
688          | (mask_p[59] << 26) | (mask_p[58] << 24)
689          | (mask_p[57] << 22) | (mask_p[56] << 20)
690          | (mask_p[55] << 18) | (mask_p[54] << 16)
691          | (mask_p[53] << 14) | (mask_p[52] << 12)
692          | (mask_p[51] << 10) | (mask_p[50] <<  8)
693          | (mask_p[49] <<  6) | (mask_p[48] <<  4)
694          | (mask_p[47] <<  2) | (mask_p[46] <<  0);
695    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
696    OS_REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
697}
698
699/*
700 * Fill all software cached or static hardware state information.
701 * Return failure if capabilities are to come from EEPROM and
702 * cannot be read.
703 */
704HAL_BOOL
705ar5416FillCapabilityInfo(struct ath_hal *ah)
706{
707	struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
708	HAL_CAPABILITIES *pCap = &ahpriv->ah_caps;
709	uint16_t val;
710
711	/* Construct wireless mode from EEPROM */
712	pCap->halWirelessModes = 0;
713	if (ath_hal_eepromGetFlag(ah, AR_EEP_AMODE)) {
714		pCap->halWirelessModes |= HAL_MODE_11A
715				       |  HAL_MODE_11NA_HT20
716				       |  HAL_MODE_11NA_HT40PLUS
717				       |  HAL_MODE_11NA_HT40MINUS
718				       ;
719	}
720	if (ath_hal_eepromGetFlag(ah, AR_EEP_GMODE)) {
721		pCap->halWirelessModes |= HAL_MODE_11G
722				       |  HAL_MODE_11NG_HT20
723				       |  HAL_MODE_11NG_HT40PLUS
724				       |  HAL_MODE_11NG_HT40MINUS
725				       ;
726		pCap->halWirelessModes |= HAL_MODE_11A
727				       |  HAL_MODE_11NA_HT20
728				       |  HAL_MODE_11NA_HT40PLUS
729				       |  HAL_MODE_11NA_HT40MINUS
730				       ;
731	}
732
733	pCap->halLow2GhzChan = 2312;
734	pCap->halHigh2GhzChan = 2732;
735
736	pCap->halLow5GhzChan = 4915;
737	pCap->halHigh5GhzChan = 6100;
738
739	pCap->halCipherCkipSupport = AH_FALSE;
740	pCap->halCipherTkipSupport = AH_TRUE;
741	pCap->halCipherAesCcmSupport = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
742
743	pCap->halMicCkipSupport    = AH_FALSE;
744	pCap->halMicTkipSupport    = AH_TRUE;
745	pCap->halMicAesCcmSupport  = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
746	/*
747	 * Starting with Griffin TX+RX mic keys can be combined
748	 * in one key cache slot.
749	 */
750	pCap->halTkipMicTxRxKeySupport = AH_TRUE;
751	pCap->halChanSpreadSupport = AH_TRUE;
752	pCap->halSleepAfterBeaconBroken = AH_TRUE;
753
754	pCap->halCompressSupport = AH_FALSE;
755	pCap->halBurstSupport = AH_TRUE;
756	pCap->halFastFramesSupport = AH_FALSE;	/* XXX? */
757	pCap->halChapTuningSupport = AH_TRUE;
758	pCap->halTurboPrimeSupport = AH_TRUE;
759
760	pCap->halTurboGSupport = pCap->halWirelessModes & HAL_MODE_108G;
761
762	pCap->halPSPollBroken = AH_TRUE;	/* XXX fixed in later revs? */
763	pCap->halVEOLSupport = AH_TRUE;
764	pCap->halBssIdMaskSupport = AH_TRUE;
765	pCap->halMcastKeySrchSupport = AH_FALSE;
766	pCap->halTsfAddSupport = AH_TRUE;
767
768	if (ath_hal_eepromGet(ah, AR_EEP_MAXQCU, &val) == HAL_OK)
769		pCap->halTotalQueues = val;
770	else
771		pCap->halTotalQueues = HAL_NUM_TX_QUEUES;
772
773	if (ath_hal_eepromGet(ah, AR_EEP_KCENTRIES, &val) == HAL_OK)
774		pCap->halKeyCacheSize = val;
775	else
776		pCap->halKeyCacheSize = AR5416_KEYTABLE_SIZE;
777
778	/* XXX not needed */
779	pCap->halChanHalfRate = AH_FALSE;	/* XXX ? */
780	pCap->halChanQuarterRate = AH_FALSE;	/* XXX ? */
781
782	pCap->halTstampPrecision = 32;
783	pCap->halHwPhyCounterSupport = AH_TRUE;
784	pCap->halIntrMask = HAL_INT_COMMON
785			| HAL_INT_RX
786			| HAL_INT_TX
787			| HAL_INT_FATAL
788			| HAL_INT_BNR
789			| HAL_INT_BMISC
790			| HAL_INT_DTIMSYNC
791			| HAL_INT_TSFOOR
792			| HAL_INT_CST
793			| HAL_INT_GTT
794			;
795
796	pCap->halFastCCSupport = AH_TRUE;
797	pCap->halNumGpioPins = 6;
798	pCap->halWowSupport = AH_FALSE;
799	pCap->halWowMatchPatternExact = AH_FALSE;
800	pCap->halBtCoexSupport = AH_FALSE;	/* XXX need support */
801	pCap->halAutoSleepSupport = AH_FALSE;
802#if 0	/* XXX not yet */
803	pCap->halNumAntCfg2GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_2GHZ);
804	pCap->halNumAntCfg5GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_5GHZ);
805#endif
806	pCap->halHTSupport = AH_TRUE;
807	pCap->halTxChainMask = ath_hal_eepromGet(ah, AR_EEP_TXMASK, AH_NULL);
808	/* XXX CB71 uses GPIO 0 to indicate 3 rx chains */
809	pCap->halRxChainMask = ath_hal_eepromGet(ah, AR_EEP_RXMASK, AH_NULL);
810	pCap->halRtsAggrLimit = 8*1024;		/* Owl 2.0 limit */
811	pCap->halMbssidAggrSupport = AH_TRUE;
812	pCap->halForcePpmSupport = AH_TRUE;
813	pCap->halEnhancedPmSupport = AH_TRUE;
814	pCap->halBssidMatchSupport = AH_TRUE;
815
816	if (ath_hal_eepromGetFlag(ah, AR_EEP_RFKILL) &&
817	    ath_hal_eepromGet(ah, AR_EEP_RFSILENT, &ahpriv->ah_rfsilent) == HAL_OK) {
818		/* NB: enabled by default */
819		ahpriv->ah_rfkillEnabled = AH_TRUE;
820		pCap->halRfSilentSupport = AH_TRUE;
821	}
822
823	ahpriv->ah_rxornIsFatal = AH_FALSE;
824
825	return AH_TRUE;
826}
827
828static const char*
829ar5416Probe(uint16_t vendorid, uint16_t devid)
830{
831	if (vendorid == ATHEROS_VENDOR_ID &&
832	    (devid == AR5416_DEVID_PCI || devid == AR5416_DEVID_PCIE))
833		return "Atheros 5416";
834	return AH_NULL;
835}
836AH_CHIP(AR5416, ar5416Probe, ar5416Attach);
837