1 /*
2  * Copyright (c) 2008-2009 Sam Leffler, Errno Consulting
3  * Copyright (c) 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_v4k.h"		/* XXX for tx/rx gain */
26 
27 #include "ar9002/ar9280.h"
28 #include "ar9002/ar9285.h"
29 #include "ar5416/ar5416reg.h"
30 #include "ar5416/ar5416phy.h"
31 
32 #include "ar9002/ar9285.ini"
33 #include "ar9002/ar9285v2.ini"
34 #include "ar9002/ar9280v2.ini"		/* XXX ini for tx/rx gain */
35 
36 #include "ar9002/ar9285_cal.h"
37 #include "ar9002/ar9285_phy.h"
38 #include "ar9002/ar9285_diversity.h"
39 
40 static const HAL_PERCAL_DATA ar9280_iq_cal = {		/* single sample */
41 	.calName = "IQ", .calType = IQ_MISMATCH_CAL,
42 	.calNumSamples	= MIN_CAL_SAMPLES,
43 	.calCountMax	= PER_MAX_LOG_COUNT,
44 	.calCollect	= ar5416IQCalCollect,
45 	.calPostProc	= ar5416IQCalibration
46 };
47 static const HAL_PERCAL_DATA ar9280_adc_gain_cal = {	/* single sample */
48 	.calName = "ADC Gain", .calType = ADC_GAIN_CAL,
49 	.calNumSamples	= MIN_CAL_SAMPLES,
50 	.calCountMax	= PER_MIN_LOG_COUNT,
51 	.calCollect	= ar5416AdcGainCalCollect,
52 	.calPostProc	= ar5416AdcGainCalibration
53 };
54 static const HAL_PERCAL_DATA ar9280_adc_dc_cal = {	/* single sample */
55 	.calName = "ADC DC", .calType = ADC_DC_CAL,
56 	.calNumSamples	= MIN_CAL_SAMPLES,
57 	.calCountMax	= PER_MIN_LOG_COUNT,
58 	.calCollect	= ar5416AdcDcCalCollect,
59 	.calPostProc	= ar5416AdcDcCalibration
60 };
61 static const HAL_PERCAL_DATA ar9280_adc_init_dc_cal = {
62 	.calName = "ADC Init DC", .calType = ADC_DC_INIT_CAL,
63 	.calNumSamples	= MIN_CAL_SAMPLES,
64 	.calCountMax	= INIT_LOG_COUNT,
65 	.calCollect	= ar5416AdcDcCalCollect,
66 	.calPostProc	= ar5416AdcDcCalibration
67 };
68 
69 static void ar9285ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore,
70 		HAL_BOOL power_off);
71 static void ar9285DisablePCIE(struct ath_hal *ah);
72 static HAL_BOOL ar9285FillCapabilityInfo(struct ath_hal *ah);
73 static void ar9285WriteIni(struct ath_hal *ah,
74 	const struct ieee80211_channel *chan);
75 
76 static void
77 ar9285AniSetup(struct ath_hal *ah)
78 {
79 	/*
80 	 * These are the parameters from the AR5416 ANI code;
81 	 * they likely need quite a bit of adjustment for the
82 	 * AR9285.
83 	 */
84         static const struct ar5212AniParams aniparams = {
85                 .maxNoiseImmunityLevel  = 4,    /* levels 0..4 */
86                 .totalSizeDesired       = { -55, -55, -55, -55, -62 },
87                 .coarseHigh             = { -14, -14, -14, -14, -12 },
88                 .coarseLow              = { -64, -64, -64, -64, -70 },
89                 .firpwr                 = { -78, -78, -78, -78, -80 },
90                 .maxSpurImmunityLevel   = 7,
91                 .cycPwrThr1             = { 2, 4, 6, 8, 10, 12, 14, 16 },
92                 .maxFirstepLevel        = 2,    /* levels 0..2 */
93                 .firstep                = { 0, 4, 8 },
94                 .ofdmTrigHigh           = 500,
95                 .ofdmTrigLow            = 200,
96                 .cckTrigHigh            = 200,
97                 .cckTrigLow             = 100,
98                 .rssiThrHigh            = 40,
99                 .rssiThrLow             = 7,
100                 .period                 = 100,
101         };
102 	/* NB: disable ANI noise immmunity for reliable RIFS rx */
103 	AH5416(ah)->ah_ani_function &= ~(1 << HAL_ANI_NOISE_IMMUNITY_LEVEL);
104 
105         ar5416AniAttach(ah, &aniparams, &aniparams, AH_TRUE);
106 }
107 
108 static const char * ar9285_lna_conf[] = {
109 	"LNA1-LNA2",
110 	"LNA2",
111 	"LNA1",
112 	"LNA1+LNA2",
113 };
114 
115 static void
116 ar9285_eeprom_print_diversity_settings(struct ath_hal *ah)
117 {
118 	const HAL_EEPROM_v4k *ee = AH_PRIVATE(ah)->ah_eeprom;
119 	const MODAL_EEP4K_HEADER *pModal = &ee->ee_base.modalHeader;
120 
121 	ath_hal_printf(ah, "[ath] AR9285 Main LNA config: %s\n",
122 	    ar9285_lna_conf[(pModal->antdiv_ctl2 >> 2) & 0x3]);
123 	ath_hal_printf(ah, "[ath] AR9285 Alt LNA config: %s\n",
124 	    ar9285_lna_conf[pModal->antdiv_ctl2 & 0x3]);
125 	ath_hal_printf(ah, "[ath] LNA diversity %s, Diversity %s\n",
126 	    ((pModal->antdiv_ctl1 & 0x1) ? "enabled" : "disabled"),
127 	    ((pModal->antdiv_ctl1 & 0x8) ? "enabled" : "disabled"));
128 }
129 
130 /*
131  * Attach for an AR9285 part.
132  */
133 static struct ath_hal *
134 ar9285Attach(uint16_t devid, HAL_SOFTC sc,
135 	HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
136 	HAL_STATUS *status)
137 {
138 	struct ath_hal_9285 *ahp9285;
139 	struct ath_hal_5212 *ahp;
140 	struct ath_hal *ah;
141 	uint32_t val;
142 	HAL_STATUS ecode;
143 	HAL_BOOL rfStatus;
144 
145 	HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
146 	    __func__, sc, (void*) st, (void*) sh);
147 
148 	/* NB: memory is returned zero'd */
149 	ahp9285 = ath_hal_malloc(sizeof (struct ath_hal_9285));
150 	if (ahp9285 == AH_NULL) {
151 		HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
152 		    "%s: cannot allocate memory for state block\n", __func__);
153 		*status = HAL_ENOMEM;
154 		return AH_NULL;
155 	}
156 	ahp = AH5212(ahp9285);
157 	ah = &ahp->ah_priv.h;
158 
159 	ar5416InitState(AH5416(ah), devid, sc, st, sh, status);
160 
161 	/*
162 	 * Use the "local" EEPROM data given to us by the higher layers.
163 	 * This is a private copy out of system flash. The Linux ath9k
164 	 * commit for the initial AR9130 support mentions MMIO flash
165 	 * access is "unreliable." -adrian
166 	 */
167 	if (eepromdata != AH_NULL) {
168 		AH_PRIVATE(ah)->ah_eepromRead = ath_hal_EepromDataRead;
169 		AH_PRIVATE(ah)->ah_eepromWrite = NULL;
170 		ah->ah_eepromdata = eepromdata;
171 	}
172 
173 	/* override with 9285 specific state */
174 	AH5416(ah)->ah_initPLL = ar9280InitPLL;
175 	AH5416(ah)->ah_btCoexSetDiversity = ar9285BTCoexAntennaDiversity;
176 
177 	ah->ah_setAntennaSwitch		= ar9285SetAntennaSwitch;
178 	ah->ah_configPCIE		= ar9285ConfigPCIE;
179 	ah->ah_disablePCIE		= ar9285DisablePCIE;
180 	ah->ah_setTxPower		= ar9285SetTransmitPower;
181 	ah->ah_setBoardValues		= ar9285SetBoardValues;
182 	ah->ah_btCoexSetParameter	= ar9285BTCoexSetParameter;
183 	ah->ah_divLnaConfGet		= ar9285_antdiv_comb_conf_get;
184 	ah->ah_divLnaConfSet		= ar9285_antdiv_comb_conf_set;
185 
186 	AH5416(ah)->ah_cal.iqCalData.calData = &ar9280_iq_cal;
187 	AH5416(ah)->ah_cal.adcGainCalData.calData = &ar9280_adc_gain_cal;
188 	AH5416(ah)->ah_cal.adcDcCalData.calData = &ar9280_adc_dc_cal;
189 	AH5416(ah)->ah_cal.adcDcCalInitData.calData = &ar9280_adc_init_dc_cal;
190 	AH5416(ah)->ah_cal.suppCals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
191 
192 	AH5416(ah)->ah_spurMitigate	= ar9280SpurMitigate;
193 	AH5416(ah)->ah_writeIni		= ar9285WriteIni;
194 	AH5416(ah)->ah_rx_chainmask	= AR9285_DEFAULT_RXCHAINMASK;
195 	AH5416(ah)->ah_tx_chainmask	= AR9285_DEFAULT_TXCHAINMASK;
196 
197 	ahp->ah_maxTxTrigLev		= MAX_TX_FIFO_THRESHOLD >> 1;
198 
199 	if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
200 		/* reset chip */
201 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n",
202 		    __func__);
203 		ecode = HAL_EIO;
204 		goto bad;
205 	}
206 
207 	if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
208 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n",
209 		    __func__);
210 		ecode = HAL_EIO;
211 		goto bad;
212 	}
213 	/* Read Revisions from Chips before taking out of reset */
214 	val = OS_REG_READ(ah, AR_SREV);
215 	HALDEBUG(ah, HAL_DEBUG_ATTACH,
216 	    "%s: ID 0x%x VERSION 0x%x TYPE 0x%x REVISION 0x%x\n",
217 	    __func__, MS(val, AR_XSREV_ID), MS(val, AR_XSREV_VERSION),
218 	    MS(val, AR_XSREV_TYPE), MS(val, AR_XSREV_REVISION));
219 	/* NB: include chip type to differentiate from pre-Sowl versions */
220 	AH_PRIVATE(ah)->ah_macVersion =
221 	    (val & AR_XSREV_VERSION) >> AR_XSREV_TYPE_S;
222 	AH_PRIVATE(ah)->ah_macRev = MS(val, AR_XSREV_REVISION);
223 	AH_PRIVATE(ah)->ah_ispcie = (val & AR_XSREV_TYPE_HOST_MODE) == 0;
224 
225 	/* setup common ini data; rf backends handle remainder */
226 	if (AR_SREV_KITE_12_OR_LATER(ah)) {
227 		HAL_INI_INIT(&ahp->ah_ini_modes, ar9285Modes_v2, 6);
228 		HAL_INI_INIT(&ahp->ah_ini_common, ar9285Common_v2, 2);
229 		HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes,
230 		    ar9285PciePhy_clkreq_always_on_L1_v2, 2);
231 	} else {
232 		HAL_INI_INIT(&ahp->ah_ini_modes, ar9285Modes, 6);
233 		HAL_INI_INIT(&ahp->ah_ini_common, ar9285Common, 2);
234 		HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes,
235 		    ar9285PciePhy_clkreq_always_on_L1, 2);
236 	}
237 	ar5416AttachPCIE(ah);
238 
239 	/* Attach methods that require MAC version/revision info */
240 	if (AR_SREV_KITE_12_OR_LATER(ah))
241 		AH5416(ah)->ah_cal_initcal      = ar9285InitCalHardware;
242 	if (AR_SREV_KITE_11_OR_LATER(ah))
243 		AH5416(ah)->ah_cal_pacal        = ar9002_hw_pa_cal;
244 
245 	ecode = ath_hal_v4kEepromAttach(ah);
246 	if (ecode != HAL_OK)
247 		goto bad;
248 
249 	if (!ar5416ChipReset(ah, AH_NULL)) {	/* reset chip */
250 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n",
251 		    __func__);
252 		ecode = HAL_EIO;
253 		goto bad;
254 	}
255 
256 	AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
257 
258 	if (!ar5212ChipTest(ah)) {
259 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
260 		    __func__);
261 		ecode = HAL_ESELFTEST;
262 		goto bad;
263 	}
264 
265 	/*
266 	 * Set correct Baseband to analog shift
267 	 * setting to access analog chips.
268 	 */
269 	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
270 
271 	/* Read Radio Chip Rev Extract */
272 	AH_PRIVATE(ah)->ah_analog5GhzRev = ar5416GetRadioRev(ah);
273 	switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
274         case AR_RAD2133_SREV_MAJOR:	/* Sowl: 2G/3x3 */
275 	case AR_RAD5133_SREV_MAJOR:	/* Sowl: 2+5G/3x3 */
276 		break;
277 	default:
278 		if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
279 			AH_PRIVATE(ah)->ah_analog5GhzRev =
280 				AR_RAD5133_SREV_MAJOR;
281 			break;
282 		}
283 #ifdef AH_DEBUG
284 		HALDEBUG(ah, HAL_DEBUG_ANY,
285 		    "%s: 5G Radio Chip Rev 0x%02X is not supported by "
286 		    "this driver\n", __func__,
287 		    AH_PRIVATE(ah)->ah_analog5GhzRev);
288 		ecode = HAL_ENOTSUPP;
289 		goto bad;
290 #endif
291 	}
292 	rfStatus = ar9285RfAttach(ah, &ecode);
293 	if (!rfStatus) {
294 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
295 		    __func__, ecode);
296 		goto bad;
297 	}
298 
299 	HAL_INI_INIT(&ahp9285->ah_ini_rxgain, ar9280Modes_original_rxgain_v2,
300 	    6);
301 
302 	if (AR_SREV_9285E_20(ah))
303 		ath_hal_printf(ah, "[ath] AR9285E_20 detected; using XE TX gain tables\n");
304 
305 	/* setup txgain table */
306 	switch (ath_hal_eepromGet(ah, AR_EEP_TXGAIN_TYPE, AH_NULL)) {
307 	case AR5416_EEP_TXGAIN_HIGH_POWER:
308 		if (AR_SREV_9285E_20(ah))
309 			HAL_INI_INIT(&ahp9285->ah_ini_txgain,
310 			    ar9285Modes_XE2_0_high_power, 6);
311 		else
312 			HAL_INI_INIT(&ahp9285->ah_ini_txgain,
313 			    ar9285Modes_high_power_tx_gain_v2, 6);
314 		break;
315 	case AR5416_EEP_TXGAIN_ORIG:
316 		if (AR_SREV_9285E_20(ah))
317 			HAL_INI_INIT(&ahp9285->ah_ini_txgain,
318 			    ar9285Modes_XE2_0_normal_power, 6);
319 		else
320 			HAL_INI_INIT(&ahp9285->ah_ini_txgain,
321 			    ar9285Modes_original_tx_gain_v2, 6);
322 		break;
323 	default:
324 		HALASSERT(AH_FALSE);
325 		goto bad;		/* XXX ? try to continue */
326 	}
327 
328 	/*
329 	 * Got everything we need now to setup the capabilities.
330 	 */
331 	if (!ar9285FillCapabilityInfo(ah)) {
332 		ecode = HAL_EEREAD;
333 		goto bad;
334 	}
335 
336 	/*
337 	 * Print out the EEPROM antenna configuration mapping.
338 	 * Some devices have a hard-coded LNA configuration profile;
339 	 * others enable diversity.
340 	 */
341 	ar9285_eeprom_print_diversity_settings(ah);
342 
343 	/* Print out whether the EEPROM settings enable AR9285 diversity */
344 	if (ar9285_check_div_comb(ah)) {
345 		ath_hal_printf(ah, "[ath] Enabling diversity for Kite\n");
346 	}
347 
348 	/* Disable 11n for the AR2427 */
349 	if (devid == AR2427_DEVID_PCIE)
350 		AH_PRIVATE(ah)->ah_caps.halHTSupport = AH_FALSE;
351 
352 	ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
353 	if (ecode != HAL_OK) {
354 		HALDEBUG(ah, HAL_DEBUG_ANY,
355 		    "%s: error getting mac address from EEPROM\n", __func__);
356 		goto bad;
357         }
358 	/* XXX How about the serial number ? */
359 	/* Read Reg Domain */
360 	AH_PRIVATE(ah)->ah_currentRD =
361 	    ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
362 	/*
363          * For Kite and later chipsets, the following bits are not
364 	 * programmed in EEPROM and so are set as enabled always.
365 	 */
366 	AH_PRIVATE(ah)->ah_currentRDext = AR9285_RDEXT_DEFAULT;
367 
368 	/*
369 	 * ah_miscMode is populated by ar5416FillCapabilityInfo()
370 	 * starting from griffin. Set here to make sure that
371 	 * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
372 	 * placed into hardware.
373 	 */
374 	if (ahp->ah_miscMode != 0)
375 		OS_REG_WRITE(ah, AR_MISC_MODE, OS_REG_READ(ah, AR_MISC_MODE) | ahp->ah_miscMode);
376 
377 	ar9285AniSetup(ah);			/* Anti Noise Immunity */
378 
379 	/* Setup noise floor min/max/nominal values */
380 	AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9285_2GHZ;
381 	AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9285_2GHZ;
382 	AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9285_2GHZ;
383 	/* XXX no 5ghz values? */
384 
385 	ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
386 
387 	HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
388 
389 	return ah;
390 bad:
391 	if (ah != AH_NULL)
392 		ah->ah_detach(ah);
393 	if (status)
394 		*status = ecode;
395 	return AH_NULL;
396 }
397 
398 static void
399 ar9285ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore, HAL_BOOL power_off)
400 {
401 	uint32_t val;
402 
403 	/*
404 	 * This workaround needs some integration work with the HAL
405 	 * config parameters and the if_ath_pci.c glue.
406 	 * Specifically, read the value of the PCI register 0x70c
407 	 * (4 byte PCI config space register) and store it in ath_hal_war70c.
408 	 * Then if it's non-zero, the below WAR would override register
409 	 * 0x570c upon suspend/resume.
410 	 */
411 #if 0
412 	if (AR_SREV_9285E_20(ah)) {
413 		val = AH_PRIVATE(ah)->ah_config.ath_hal_war70c;
414 		if (val) {
415 			val &= 0xffff00ff;
416 			val |= 0x6f00;
417 			OS_REG_WRITE(ah, 0x570c, val);
418 		}
419 	}
420 #endif
421 
422 	if (AH_PRIVATE(ah)->ah_ispcie && !restore) {
423 		ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0);
424 		OS_DELAY(1000);
425 	}
426 
427 	/*
428 	 * Set PCIe workaround bits
429 	 *
430 	 * NOTE:
431 	 *
432 	 * In Merlin and Kite, bit 14 in WA register (disable L1) should only
433 	 * be set when device enters D3 and be cleared when device comes back
434 	 * to D0.
435 	 */
436 	if (power_off) {                /* Power-off */
437 		OS_REG_CLR_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
438 
439 		val = OS_REG_READ(ah, AR_WA);
440 
441 		/*
442 		 * Disable bit 6 and 7 before entering D3 to prevent
443 		 * system hang.
444 		 */
445 		val &= ~(AR_WA_BIT6 | AR_WA_BIT7);
446 
447 		/*
448 		 * See above: set AR_WA_D3_L1_DISABLE when entering D3 state.
449 		 *
450 		 * XXX The reference HAL does it this way - it only sets
451 		 * AR_WA_D3_L1_DISABLE if it's set in AR9280_WA_DEFAULT,
452 		 * which it (currently) isn't.  So the following statement
453 		 * is currently a NOP.
454 		 */
455 		if (AR9285_WA_DEFAULT & AR_WA_D3_L1_DISABLE)
456 			val |= AR_WA_D3_L1_DISABLE;
457 
458 		if (AR_SREV_9285E_20(ah))
459 			val |= AR_WA_BIT23;
460 
461 		OS_REG_WRITE(ah, AR_WA, val);
462 	} else {			/* Power-on */
463 		val = AR9285_WA_DEFAULT;
464 		/*
465 		 * See note above: make sure L1_DISABLE is not set.
466 		 */
467 		val &= (~AR_WA_D3_L1_DISABLE);
468 
469 		/* Software workaroud for ASPM system hang. */
470 		val |= (AR_WA_BIT6 | AR_WA_BIT7);
471 
472 		if (AR_SREV_9285E_20(ah))
473 			val |= AR_WA_BIT23;
474 
475 		OS_REG_WRITE(ah, AR_WA, val);
476 
477 		/* set bit 19 to allow forcing of pcie core into L1 state */
478 		OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
479 	}
480 }
481 
482 static void
483 ar9285DisablePCIE(struct ath_hal *ah)
484 {
485 }
486 
487 static void
488 ar9285WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan)
489 {
490 	u_int modesIndex, freqIndex;
491 	int regWrites = 0;
492 
493 	/* Setup the indices for the next set of register array writes */
494 	/* XXX Ignore 11n dynamic mode on the AR5416 for the moment */
495 	freqIndex = 2;
496 	if (IEEE80211_IS_CHAN_HT40(chan))
497 		modesIndex = 3;
498 	else if (IEEE80211_IS_CHAN_108G(chan))
499 		modesIndex = 5;
500 	else
501 		modesIndex = 4;
502 
503 	/* Set correct Baseband to analog shift setting to access analog chips. */
504 	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
505 	OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
506 	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes,
507 	    modesIndex, regWrites);
508 	if (AR_SREV_KITE_12_OR_LATER(ah)) {
509 		regWrites = ath_hal_ini_write(ah, &AH9285(ah)->ah_ini_txgain,
510 		    modesIndex, regWrites);
511 	}
512 	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common,
513 	    1, regWrites);
514 }
515 
516 /*
517  * Fill all software cached or static hardware state information.
518  * Return failure if capabilities are to come from EEPROM and
519  * cannot be read.
520  */
521 static HAL_BOOL
522 ar9285FillCapabilityInfo(struct ath_hal *ah)
523 {
524 	HAL_CAPABILITIES *pCap = &AH_PRIVATE(ah)->ah_caps;
525 
526 	if (!ar5416FillCapabilityInfo(ah))
527 		return AH_FALSE;
528 	pCap->halNumGpioPins = 12;
529 	pCap->halWowSupport = AH_TRUE;
530 	pCap->halWowMatchPatternExact = AH_TRUE;
531 #if 0
532 	pCap->halWowMatchPatternDword = AH_TRUE;
533 #endif
534 	/* AR9285 has 2 antennas but is a 1x1 stream device */
535 	pCap->halTxStreams = 1;
536 	pCap->halRxStreams = 1;
537 
538 	if (ar9285_check_div_comb(ah))
539 		pCap->halAntDivCombSupport = AH_TRUE;
540 
541 	pCap->halCSTSupport = AH_TRUE;
542 	pCap->halRifsRxSupport = AH_TRUE;
543 	pCap->halRifsTxSupport = AH_TRUE;
544 	pCap->halRtsAggrLimit = 64*1024;	/* 802.11n max */
545 	pCap->halExtChanDfsSupport = AH_TRUE;
546 	pCap->halUseCombinedRadarRssi = AH_TRUE;
547 #if 1
548 	/* XXX bluetooth */
549 	pCap->halBtCoexSupport = AH_TRUE;
550 #endif
551 	pCap->halAutoSleepSupport = AH_FALSE;	/* XXX? */
552 	pCap->hal4kbSplitTransSupport = AH_FALSE;
553 	/* Disable this so Block-ACK works correctly */
554 	pCap->halHasRxSelfLinkedTail = AH_FALSE;
555 	pCap->halMbssidAggrSupport = AH_TRUE;
556 	pCap->hal4AddrAggrSupport = AH_TRUE;
557 	pCap->halSpectralScanSupport = AH_TRUE;
558 	pCap->halRxUsingLnaMixing = AH_TRUE;
559 
560 	if (AR_SREV_KITE_12_OR_LATER(ah))
561 		pCap->halPSPollBroken = AH_FALSE;
562 
563 	/* Only RX STBC supported */
564 	pCap->halRxStbcSupport = 1;
565 	pCap->halTxStbcSupport = 0;
566 
567 	return AH_TRUE;
568 }
569 
570 static const char*
571 ar9285Probe(uint16_t vendorid, uint16_t devid)
572 {
573 	if (vendorid == ATHEROS_VENDOR_ID && devid == AR9285_DEVID_PCIE)
574 		return "Atheros 9285";
575 	if (vendorid == ATHEROS_VENDOR_ID && (devid == AR2427_DEVID_PCIE))
576 		return "Atheros 2427";
577 
578 	return AH_NULL;
579 }
580 AH_CHIP(AR9285, ar9285Probe, ar9285Attach);
581