xref: /freebsd/sys/dev/ath/ath_hal/ar9002/ar9285_attach.c (revision 4928135658a9d0eaee37003df6137ab363fcb0b4)
1 /*-
2  * SPDX-License-Identifier: ISC
3  *
4  * Copyright (c) 2008-2009 Sam Leffler, Errno Consulting
5  * Copyright (c) 2008 Atheros Communications, Inc.
6  *
7  * Permission to use, copy, modify, and/or distribute this software for any
8  * purpose with or without fee is hereby granted, provided that the above
9  * copyright notice and this permission notice appear in all copies.
10  *
11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18  *
19  * $FreeBSD$
20  */
21 #include "opt_ah.h"
22 
23 #include "ah.h"
24 #include "ah_internal.h"
25 #include "ah_devid.h"
26 
27 #include "ah_eeprom_v4k.h"		/* XXX for tx/rx gain */
28 
29 #include "ar9002/ar9280.h"
30 #include "ar9002/ar9285.h"
31 #include "ar5416/ar5416reg.h"
32 #include "ar5416/ar5416phy.h"
33 
34 #include "ar9002/ar9285.ini"
35 #include "ar9002/ar9285v2.ini"
36 #include "ar9002/ar9280v2.ini"		/* XXX ini for tx/rx gain */
37 
38 #include "ar9002/ar9285_cal.h"
39 #include "ar9002/ar9285_phy.h"
40 #include "ar9002/ar9285_diversity.h"
41 
42 static const HAL_PERCAL_DATA ar9280_iq_cal = {		/* single sample */
43 	.calName = "IQ", .calType = IQ_MISMATCH_CAL,
44 	.calNumSamples	= MIN_CAL_SAMPLES,
45 	.calCountMax	= PER_MAX_LOG_COUNT,
46 	.calCollect	= ar5416IQCalCollect,
47 	.calPostProc	= ar5416IQCalibration
48 };
49 static const HAL_PERCAL_DATA ar9280_adc_gain_cal = {	/* single sample */
50 	.calName = "ADC Gain", .calType = ADC_GAIN_CAL,
51 	.calNumSamples	= MIN_CAL_SAMPLES,
52 	.calCountMax	= PER_MIN_LOG_COUNT,
53 	.calCollect	= ar5416AdcGainCalCollect,
54 	.calPostProc	= ar5416AdcGainCalibration
55 };
56 static const HAL_PERCAL_DATA ar9280_adc_dc_cal = {	/* single sample */
57 	.calName = "ADC DC", .calType = ADC_DC_CAL,
58 	.calNumSamples	= MIN_CAL_SAMPLES,
59 	.calCountMax	= PER_MIN_LOG_COUNT,
60 	.calCollect	= ar5416AdcDcCalCollect,
61 	.calPostProc	= ar5416AdcDcCalibration
62 };
63 static const HAL_PERCAL_DATA ar9280_adc_init_dc_cal = {
64 	.calName = "ADC Init DC", .calType = ADC_DC_INIT_CAL,
65 	.calNumSamples	= MIN_CAL_SAMPLES,
66 	.calCountMax	= INIT_LOG_COUNT,
67 	.calCollect	= ar5416AdcDcCalCollect,
68 	.calPostProc	= ar5416AdcDcCalibration
69 };
70 
71 static void ar9285ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore,
72 		HAL_BOOL power_off);
73 static void ar9285DisablePCIE(struct ath_hal *ah);
74 static HAL_BOOL ar9285FillCapabilityInfo(struct ath_hal *ah);
75 static void ar9285WriteIni(struct ath_hal *ah,
76 	const struct ieee80211_channel *chan);
77 
78 static void
79 ar9285AniSetup(struct ath_hal *ah)
80 {
81 	/*
82 	 * These are the parameters from the AR5416 ANI code;
83 	 * they likely need quite a bit of adjustment for the
84 	 * AR9285.
85 	 */
86         static const struct ar5212AniParams aniparams = {
87                 .maxNoiseImmunityLevel  = 4,    /* levels 0..4 */
88                 .totalSizeDesired       = { -55, -55, -55, -55, -62 },
89                 .coarseHigh             = { -14, -14, -14, -14, -12 },
90                 .coarseLow              = { -64, -64, -64, -64, -70 },
91                 .firpwr                 = { -78, -78, -78, -78, -80 },
92                 .maxSpurImmunityLevel   = 7,
93                 .cycPwrThr1             = { 2, 4, 6, 8, 10, 12, 14, 16 },
94                 .maxFirstepLevel        = 2,    /* levels 0..2 */
95                 .firstep                = { 0, 4, 8 },
96                 .ofdmTrigHigh           = 500,
97                 .ofdmTrigLow            = 200,
98                 .cckTrigHigh            = 200,
99                 .cckTrigLow             = 100,
100                 .rssiThrHigh            = 40,
101                 .rssiThrLow             = 7,
102                 .period                 = 100,
103         };
104 	/* NB: disable ANI noise immmunity for reliable RIFS rx */
105 	AH5416(ah)->ah_ani_function &= ~(1 << HAL_ANI_NOISE_IMMUNITY_LEVEL);
106 
107         ar5416AniAttach(ah, &aniparams, &aniparams, AH_TRUE);
108 }
109 
110 static const char * ar9285_lna_conf[] = {
111 	"LNA1-LNA2",
112 	"LNA2",
113 	"LNA1",
114 	"LNA1+LNA2",
115 };
116 
117 static void
118 ar9285_eeprom_print_diversity_settings(struct ath_hal *ah)
119 {
120 	const HAL_EEPROM_v4k *ee = AH_PRIVATE(ah)->ah_eeprom;
121 	const MODAL_EEP4K_HEADER *pModal = &ee->ee_base.modalHeader;
122 
123 	ath_hal_printf(ah, "[ath] AR9285 Main LNA config: %s\n",
124 	    ar9285_lna_conf[(pModal->antdiv_ctl2 >> 2) & 0x3]);
125 	ath_hal_printf(ah, "[ath] AR9285 Alt LNA config: %s\n",
126 	    ar9285_lna_conf[pModal->antdiv_ctl2 & 0x3]);
127 	ath_hal_printf(ah, "[ath] LNA diversity %s, Diversity %s\n",
128 	    ((pModal->antdiv_ctl1 & 0x1) ? "enabled" : "disabled"),
129 	    ((pModal->antdiv_ctl1 & 0x8) ? "enabled" : "disabled"));
130 }
131 
132 /*
133  * Attach for an AR9285 part.
134  */
135 static struct ath_hal *
136 ar9285Attach(uint16_t devid, HAL_SOFTC sc,
137 	HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
138 	HAL_OPS_CONFIG *ah_config,
139 	HAL_STATUS *status)
140 {
141 	struct ath_hal_9285 *ahp9285;
142 	struct ath_hal_5212 *ahp;
143 	struct ath_hal *ah;
144 	uint32_t val;
145 	HAL_STATUS ecode;
146 	HAL_BOOL rfStatus;
147 
148 	HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
149 	    __func__, sc, (void*) st, (void*) sh);
150 
151 	/* NB: memory is returned zero'd */
152 	ahp9285 = ath_hal_malloc(sizeof (struct ath_hal_9285));
153 	if (ahp9285 == AH_NULL) {
154 		HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
155 		    "%s: cannot allocate memory for state block\n", __func__);
156 		*status = HAL_ENOMEM;
157 		return AH_NULL;
158 	}
159 	ahp = AH5212(ahp9285);
160 	ah = &ahp->ah_priv.h;
161 
162 	ar5416InitState(AH5416(ah), devid, sc, st, sh, status);
163 
164 	/*
165 	 * Use the "local" EEPROM data given to us by the higher layers.
166 	 * This is a private copy out of system flash. The Linux ath9k
167 	 * commit for the initial AR9130 support mentions MMIO flash
168 	 * access is "unreliable." -adrian
169 	 */
170 	if (eepromdata != AH_NULL) {
171 		AH_PRIVATE(ah)->ah_eepromRead = ath_hal_EepromDataRead;
172 		AH_PRIVATE(ah)->ah_eepromWrite = NULL;
173 		ah->ah_eepromdata = eepromdata;
174 	}
175 
176 	/* override with 9285 specific state */
177 	AH5416(ah)->ah_initPLL = ar9280InitPLL;
178 	AH5416(ah)->ah_btCoexSetDiversity = ar9285BTCoexAntennaDiversity;
179 
180 	ah->ah_setAntennaSwitch		= ar9285SetAntennaSwitch;
181 	ah->ah_configPCIE		= ar9285ConfigPCIE;
182 	ah->ah_disablePCIE		= ar9285DisablePCIE;
183 	ah->ah_setTxPower		= ar9285SetTransmitPower;
184 	ah->ah_setBoardValues		= ar9285SetBoardValues;
185 	ah->ah_btCoexSetParameter	= ar9285BTCoexSetParameter;
186 	ah->ah_divLnaConfGet		= ar9285_antdiv_comb_conf_get;
187 	ah->ah_divLnaConfSet		= ar9285_antdiv_comb_conf_set;
188 
189 	AH5416(ah)->ah_cal.iqCalData.calData = &ar9280_iq_cal;
190 	AH5416(ah)->ah_cal.adcGainCalData.calData = &ar9280_adc_gain_cal;
191 	AH5416(ah)->ah_cal.adcDcCalData.calData = &ar9280_adc_dc_cal;
192 	AH5416(ah)->ah_cal.adcDcCalInitData.calData = &ar9280_adc_init_dc_cal;
193 	AH5416(ah)->ah_cal.suppCals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
194 
195 	AH5416(ah)->ah_spurMitigate	= ar9280SpurMitigate;
196 	AH5416(ah)->ah_writeIni		= ar9285WriteIni;
197 	AH5416(ah)->ah_rx_chainmask	= AR9285_DEFAULT_RXCHAINMASK;
198 	AH5416(ah)->ah_tx_chainmask	= AR9285_DEFAULT_TXCHAINMASK;
199 
200 	ahp->ah_maxTxTrigLev		= MAX_TX_FIFO_THRESHOLD >> 1;
201 
202 	if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
203 		/* reset chip */
204 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n",
205 		    __func__);
206 		ecode = HAL_EIO;
207 		goto bad;
208 	}
209 
210 	if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
211 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n",
212 		    __func__);
213 		ecode = HAL_EIO;
214 		goto bad;
215 	}
216 	/* Read Revisions from Chips before taking out of reset */
217 	val = OS_REG_READ(ah, AR_SREV);
218 	HALDEBUG(ah, HAL_DEBUG_ATTACH,
219 	    "%s: ID 0x%x VERSION 0x%x TYPE 0x%x REVISION 0x%x\n",
220 	    __func__, MS(val, AR_XSREV_ID), MS(val, AR_XSREV_VERSION),
221 	    MS(val, AR_XSREV_TYPE), MS(val, AR_XSREV_REVISION));
222 	/* NB: include chip type to differentiate from pre-Sowl versions */
223 	AH_PRIVATE(ah)->ah_macVersion =
224 	    (val & AR_XSREV_VERSION) >> AR_XSREV_TYPE_S;
225 	AH_PRIVATE(ah)->ah_macRev = MS(val, AR_XSREV_REVISION);
226 	AH_PRIVATE(ah)->ah_ispcie = (val & AR_XSREV_TYPE_HOST_MODE) == 0;
227 
228 	/* setup common ini data; rf backends handle remainder */
229 	if (AR_SREV_KITE_12_OR_LATER(ah)) {
230 		HAL_INI_INIT(&ahp->ah_ini_modes, ar9285Modes_v2, 6);
231 		HAL_INI_INIT(&ahp->ah_ini_common, ar9285Common_v2, 2);
232 		HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes,
233 		    ar9285PciePhy_clkreq_always_on_L1_v2, 2);
234 	} else {
235 		HAL_INI_INIT(&ahp->ah_ini_modes, ar9285Modes, 6);
236 		HAL_INI_INIT(&ahp->ah_ini_common, ar9285Common, 2);
237 		HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes,
238 		    ar9285PciePhy_clkreq_always_on_L1, 2);
239 	}
240 	ar5416AttachPCIE(ah);
241 
242 	/* Attach methods that require MAC version/revision info */
243 	if (AR_SREV_KITE_12_OR_LATER(ah))
244 		AH5416(ah)->ah_cal_initcal      = ar9285InitCalHardware;
245 	if (AR_SREV_KITE_11_OR_LATER(ah))
246 		AH5416(ah)->ah_cal_pacal        = ar9002_hw_pa_cal;
247 
248 	ecode = ath_hal_v4kEepromAttach(ah);
249 	if (ecode != HAL_OK)
250 		goto bad;
251 
252 	if (!ar5416ChipReset(ah, AH_NULL)) {	/* reset chip */
253 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n",
254 		    __func__);
255 		ecode = HAL_EIO;
256 		goto bad;
257 	}
258 
259 	AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
260 
261 	if (!ar5212ChipTest(ah)) {
262 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
263 		    __func__);
264 		ecode = HAL_ESELFTEST;
265 		goto bad;
266 	}
267 
268 	/*
269 	 * Set correct Baseband to analog shift
270 	 * setting to access analog chips.
271 	 */
272 	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
273 
274 	/* Read Radio Chip Rev Extract */
275 	AH_PRIVATE(ah)->ah_analog5GhzRev = ar5416GetRadioRev(ah);
276 	switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
277         case AR_RAD2133_SREV_MAJOR:	/* Sowl: 2G/3x3 */
278 	case AR_RAD5133_SREV_MAJOR:	/* Sowl: 2+5G/3x3 */
279 		break;
280 	default:
281 		if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
282 			AH_PRIVATE(ah)->ah_analog5GhzRev =
283 				AR_RAD5133_SREV_MAJOR;
284 			break;
285 		}
286 #ifdef AH_DEBUG
287 		HALDEBUG(ah, HAL_DEBUG_ANY,
288 		    "%s: 5G Radio Chip Rev 0x%02X is not supported by "
289 		    "this driver\n", __func__,
290 		    AH_PRIVATE(ah)->ah_analog5GhzRev);
291 		ecode = HAL_ENOTSUPP;
292 		goto bad;
293 #endif
294 	}
295 	rfStatus = ar9285RfAttach(ah, &ecode);
296 	if (!rfStatus) {
297 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
298 		    __func__, ecode);
299 		goto bad;
300 	}
301 
302 	HAL_INI_INIT(&ahp9285->ah_ini_rxgain, ar9280Modes_original_rxgain_v2,
303 	    6);
304 
305 	if (AR_SREV_9285E_20(ah))
306 		ath_hal_printf(ah, "[ath] AR9285E_20 detected; using XE TX gain tables\n");
307 
308 	/* setup txgain table */
309 	switch (ath_hal_eepromGet(ah, AR_EEP_TXGAIN_TYPE, AH_NULL)) {
310 	case AR5416_EEP_TXGAIN_HIGH_POWER:
311 		if (AR_SREV_9285E_20(ah))
312 			HAL_INI_INIT(&ahp9285->ah_ini_txgain,
313 			    ar9285Modes_XE2_0_high_power, 6);
314 		else
315 			HAL_INI_INIT(&ahp9285->ah_ini_txgain,
316 			    ar9285Modes_high_power_tx_gain_v2, 6);
317 		break;
318 	case AR5416_EEP_TXGAIN_ORIG:
319 		if (AR_SREV_9285E_20(ah))
320 			HAL_INI_INIT(&ahp9285->ah_ini_txgain,
321 			    ar9285Modes_XE2_0_normal_power, 6);
322 		else
323 			HAL_INI_INIT(&ahp9285->ah_ini_txgain,
324 			    ar9285Modes_original_tx_gain_v2, 6);
325 		break;
326 	default:
327 		HALASSERT(AH_FALSE);
328 		goto bad;		/* XXX ? try to continue */
329 	}
330 
331 	/*
332 	 * Got everything we need now to setup the capabilities.
333 	 */
334 	if (!ar9285FillCapabilityInfo(ah)) {
335 		ecode = HAL_EEREAD;
336 		goto bad;
337 	}
338 
339 	/*
340 	 * Print out the EEPROM antenna configuration mapping.
341 	 * Some devices have a hard-coded LNA configuration profile;
342 	 * others enable diversity.
343 	 */
344 	ar9285_eeprom_print_diversity_settings(ah);
345 
346 	/* Print out whether the EEPROM settings enable AR9285 diversity */
347 	if (ar9285_check_div_comb(ah)) {
348 		ath_hal_printf(ah, "[ath] Enabling diversity for Kite\n");
349 	}
350 
351 	/* Disable 11n for the AR2427 */
352 	if (devid == AR2427_DEVID_PCIE)
353 		AH_PRIVATE(ah)->ah_caps.halHTSupport = AH_FALSE;
354 
355 	ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
356 	if (ecode != HAL_OK) {
357 		HALDEBUG(ah, HAL_DEBUG_ANY,
358 		    "%s: error getting mac address from EEPROM\n", __func__);
359 		goto bad;
360         }
361 	/* XXX How about the serial number ? */
362 	/* Read Reg Domain */
363 	AH_PRIVATE(ah)->ah_currentRD =
364 	    ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
365 	/*
366          * For Kite and later chipsets, the following bits are not
367 	 * programmed in EEPROM and so are set as enabled always.
368 	 */
369 	AH_PRIVATE(ah)->ah_currentRDext = AR9285_RDEXT_DEFAULT;
370 
371 	/*
372 	 * ah_miscMode is populated by ar5416FillCapabilityInfo()
373 	 * starting from griffin. Set here to make sure that
374 	 * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
375 	 * placed into hardware.
376 	 */
377 	if (ahp->ah_miscMode != 0)
378 		OS_REG_WRITE(ah, AR_MISC_MODE, OS_REG_READ(ah, AR_MISC_MODE) | ahp->ah_miscMode);
379 
380 	ar9285AniSetup(ah);			/* Anti Noise Immunity */
381 
382 	/* Setup noise floor min/max/nominal values */
383 	AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9285_2GHZ;
384 	AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9285_2GHZ;
385 	AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9285_2GHZ;
386 	/* XXX no 5ghz values? */
387 
388 	ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
389 
390 	HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
391 
392 	return ah;
393 bad:
394 	if (ah != AH_NULL)
395 		ah->ah_detach(ah);
396 	if (status)
397 		*status = ecode;
398 	return AH_NULL;
399 }
400 
401 static void
402 ar9285ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore, HAL_BOOL power_off)
403 {
404 	uint32_t val;
405 
406 	/*
407 	 * This workaround needs some integration work with the HAL
408 	 * config parameters and the if_ath_pci.c glue.
409 	 * Specifically, read the value of the PCI register 0x70c
410 	 * (4 byte PCI config space register) and store it in ath_hal_war70c.
411 	 * Then if it's non-zero, the below WAR would override register
412 	 * 0x570c upon suspend/resume.
413 	 */
414 #if 0
415 	if (AR_SREV_9285E_20(ah)) {
416 		val = AH_PRIVATE(ah)->ah_config.ath_hal_war70c;
417 		if (val) {
418 			val &= 0xffff00ff;
419 			val |= 0x6f00;
420 			OS_REG_WRITE(ah, 0x570c, val);
421 		}
422 	}
423 #endif
424 
425 	if (AH_PRIVATE(ah)->ah_ispcie && !restore) {
426 		ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0);
427 		OS_DELAY(1000);
428 	}
429 
430 	/*
431 	 * Set PCIe workaround bits
432 	 *
433 	 * NOTE:
434 	 *
435 	 * In Merlin and Kite, bit 14 in WA register (disable L1) should only
436 	 * be set when device enters D3 and be cleared when device comes back
437 	 * to D0.
438 	 */
439 	if (power_off) {                /* Power-off */
440 		OS_REG_CLR_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
441 
442 		val = OS_REG_READ(ah, AR_WA);
443 
444 		/*
445 		 * Disable bit 6 and 7 before entering D3 to prevent
446 		 * system hang.
447 		 */
448 		val &= ~(AR_WA_BIT6 | AR_WA_BIT7);
449 
450 		/*
451 		 * See above: set AR_WA_D3_L1_DISABLE when entering D3 state.
452 		 *
453 		 * XXX The reference HAL does it this way - it only sets
454 		 * AR_WA_D3_L1_DISABLE if it's set in AR9280_WA_DEFAULT,
455 		 * which it (currently) isn't.  So the following statement
456 		 * is currently a NOP.
457 		 */
458 		if (AR9285_WA_DEFAULT & AR_WA_D3_L1_DISABLE)
459 			val |= AR_WA_D3_L1_DISABLE;
460 
461 		if (AR_SREV_9285E_20(ah))
462 			val |= AR_WA_BIT23;
463 
464 		OS_REG_WRITE(ah, AR_WA, val);
465 	} else {			/* Power-on */
466 		val = AR9285_WA_DEFAULT;
467 		/*
468 		 * See note above: make sure L1_DISABLE is not set.
469 		 */
470 		val &= (~AR_WA_D3_L1_DISABLE);
471 
472 		/* Software workaroud for ASPM system hang. */
473 		val |= (AR_WA_BIT6 | AR_WA_BIT7);
474 
475 		if (AR_SREV_9285E_20(ah))
476 			val |= AR_WA_BIT23;
477 
478 		OS_REG_WRITE(ah, AR_WA, val);
479 
480 		/* set bit 19 to allow forcing of pcie core into L1 state */
481 		OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
482 	}
483 }
484 
485 static void
486 ar9285DisablePCIE(struct ath_hal *ah)
487 {
488 }
489 
490 static void
491 ar9285WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan)
492 {
493 	u_int modesIndex, freqIndex;
494 	int regWrites = 0;
495 
496 	/* Setup the indices for the next set of register array writes */
497 	/* XXX Ignore 11n dynamic mode on the AR5416 for the moment */
498 	freqIndex = 2;
499 	if (IEEE80211_IS_CHAN_HT40(chan))
500 		modesIndex = 3;
501 	else if (IEEE80211_IS_CHAN_108G(chan))
502 		modesIndex = 5;
503 	else
504 		modesIndex = 4;
505 
506 	/* Set correct Baseband to analog shift setting to access analog chips. */
507 	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
508 	OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
509 	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes,
510 	    modesIndex, regWrites);
511 	if (AR_SREV_KITE_12_OR_LATER(ah)) {
512 		regWrites = ath_hal_ini_write(ah, &AH9285(ah)->ah_ini_txgain,
513 		    modesIndex, regWrites);
514 	}
515 	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common,
516 	    1, regWrites);
517 }
518 
519 /*
520  * Fill all software cached or static hardware state information.
521  * Return failure if capabilities are to come from EEPROM and
522  * cannot be read.
523  */
524 static HAL_BOOL
525 ar9285FillCapabilityInfo(struct ath_hal *ah)
526 {
527 	HAL_CAPABILITIES *pCap = &AH_PRIVATE(ah)->ah_caps;
528 
529 	if (!ar5416FillCapabilityInfo(ah))
530 		return AH_FALSE;
531 	pCap->halNumGpioPins = 12;
532 	pCap->halWowSupport = AH_TRUE;
533 	pCap->halWowMatchPatternExact = AH_TRUE;
534 #if 0
535 	pCap->halWowMatchPatternDword = AH_TRUE;
536 #endif
537 	/* AR9285 has 2 antennas but is a 1x1 stream device */
538 	pCap->halTxStreams = 1;
539 	pCap->halRxStreams = 1;
540 
541 	if (ar9285_check_div_comb(ah))
542 		pCap->halAntDivCombSupport = AH_TRUE;
543 
544 	pCap->halCSTSupport = AH_TRUE;
545 	pCap->halRifsRxSupport = AH_TRUE;
546 	pCap->halRifsTxSupport = AH_TRUE;
547 	pCap->halRtsAggrLimit = 64*1024;	/* 802.11n max */
548 	pCap->halExtChanDfsSupport = AH_TRUE;
549 	pCap->halUseCombinedRadarRssi = AH_TRUE;
550 #if 1
551 	/* XXX bluetooth */
552 	pCap->halBtCoexSupport = AH_TRUE;
553 #endif
554 	pCap->halAutoSleepSupport = AH_FALSE;	/* XXX? */
555 	pCap->hal4kbSplitTransSupport = AH_FALSE;
556 	/* Disable this so Block-ACK works correctly */
557 	pCap->halHasRxSelfLinkedTail = AH_FALSE;
558 	pCap->halMbssidAggrSupport = AH_TRUE;
559 	pCap->hal4AddrAggrSupport = AH_TRUE;
560 	pCap->halSpectralScanSupport = AH_TRUE;
561 	pCap->halRxUsingLnaMixing = AH_TRUE;
562 
563 	if (AR_SREV_KITE_12_OR_LATER(ah))
564 		pCap->halPSPollBroken = AH_FALSE;
565 
566 	/* Only RX STBC supported */
567 	pCap->halRxStbcSupport = 1;
568 	pCap->halTxStbcSupport = 0;
569 
570 	return AH_TRUE;
571 }
572 
573 static const char*
574 ar9285Probe(uint16_t vendorid, uint16_t devid)
575 {
576 	if (vendorid == ATHEROS_VENDOR_ID && devid == AR9285_DEVID_PCIE)
577 		return "Atheros 9285";
578 	if (vendorid == ATHEROS_VENDOR_ID && (devid == AR2427_DEVID_PCIE))
579 		return "Atheros 2427";
580 
581 	return AH_NULL;
582 }
583 AH_CHIP(AR9285, ar9285Probe, ar9285Attach);
584