ar9280_attach.c revision 217684
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: head/sys/dev/ath/ath_hal/ar9002/ar9280_attach.c 217684 2011-01-21 05:21:00Z adrian $
18 */
19#include "opt_ah.h"
20
21#include "ah.h"
22#include "ah_internal.h"
23#include "ah_devid.h"
24
25#include "ah_eeprom_v14.h"		/* XXX for tx/rx gain */
26
27#include "ar9002/ar9280.h"
28#include "ar5416/ar5416reg.h"
29#include "ar5416/ar5416phy.h"
30
31#include "ar9002/ar9280v1.ini"
32#include "ar9002/ar9280v2.ini"
33
34static const HAL_PERCAL_DATA ar9280_iq_cal = {		/* single sample */
35	.calName = "IQ", .calType = IQ_MISMATCH_CAL,
36	.calNumSamples	= MIN_CAL_SAMPLES,
37	.calCountMax	= PER_MAX_LOG_COUNT,
38	.calCollect	= ar5416IQCalCollect,
39	.calPostProc	= ar5416IQCalibration
40};
41static const HAL_PERCAL_DATA ar9280_adc_gain_cal = {	/* single sample */
42	.calName = "ADC Gain", .calType = ADC_GAIN_CAL,
43	.calNumSamples	= MIN_CAL_SAMPLES,
44	.calCountMax	= PER_MIN_LOG_COUNT,
45	.calCollect	= ar5416AdcGainCalCollect,
46	.calPostProc	= ar5416AdcGainCalibration
47};
48static const HAL_PERCAL_DATA ar9280_adc_dc_cal = {	/* single sample */
49	.calName = "ADC DC", .calType = ADC_DC_CAL,
50	.calNumSamples	= MIN_CAL_SAMPLES,
51	.calCountMax	= PER_MIN_LOG_COUNT,
52	.calCollect	= ar5416AdcDcCalCollect,
53	.calPostProc	= ar5416AdcDcCalibration
54};
55static const HAL_PERCAL_DATA ar9280_adc_init_dc_cal = {
56	.calName = "ADC Init DC", .calType = ADC_DC_INIT_CAL,
57	.calNumSamples	= MIN_CAL_SAMPLES,
58	.calCountMax	= INIT_LOG_COUNT,
59	.calCollect	= ar5416AdcDcCalCollect,
60	.calPostProc	= ar5416AdcDcCalibration
61};
62
63static void ar9280ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore);
64static HAL_BOOL ar9280FillCapabilityInfo(struct ath_hal *ah);
65static void ar9280WriteIni(struct ath_hal *ah,
66	const struct ieee80211_channel *chan);
67
68static void
69ar9280AniSetup(struct ath_hal *ah)
70{
71	/* NB: disable ANI for reliable RIFS rx */
72	ar5212AniAttach(ah, AH_NULL, AH_NULL, AH_FALSE);
73}
74
75/*
76 * Attach for an AR9280 part.
77 */
78static struct ath_hal *
79ar9280Attach(uint16_t devid, HAL_SOFTC sc,
80	HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
81	HAL_STATUS *status)
82{
83	struct ath_hal_9280 *ahp9280;
84	struct ath_hal_5212 *ahp;
85	struct ath_hal *ah;
86	uint32_t val;
87	HAL_STATUS ecode;
88	HAL_BOOL rfStatus;
89
90	HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
91	    __func__, sc, (void*) st, (void*) sh);
92
93	/* NB: memory is returned zero'd */
94	ahp9280 = ath_hal_malloc(sizeof (struct ath_hal_9280));
95	if (ahp9280 == AH_NULL) {
96		HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
97		    "%s: cannot allocate memory for state block\n", __func__);
98		*status = HAL_ENOMEM;
99		return AH_NULL;
100	}
101	ahp = AH5212(ahp9280);
102	ah = &ahp->ah_priv.h;
103
104	ar5416InitState(AH5416(ah), devid, sc, st, sh, status);
105
106	/* XXX override with 9280 specific state */
107	/* override 5416 methods for our needs */
108	ah->ah_setAntennaSwitch		= ar9280SetAntennaSwitch;
109	ah->ah_configPCIE		= ar9280ConfigPCIE;
110
111	AH5416(ah)->ah_cal.iqCalData.calData = &ar9280_iq_cal;
112	AH5416(ah)->ah_cal.adcGainCalData.calData = &ar9280_adc_gain_cal;
113	AH5416(ah)->ah_cal.adcDcCalData.calData = &ar9280_adc_dc_cal;
114	AH5416(ah)->ah_cal.adcDcCalInitData.calData = &ar9280_adc_init_dc_cal;
115	AH5416(ah)->ah_cal.suppCals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
116
117	AH5416(ah)->ah_spurMitigate	= ar9280SpurMitigate;
118	AH5416(ah)->ah_writeIni		= ar9280WriteIni;
119	AH5416(ah)->ah_rx_chainmask	= AR9280_DEFAULT_RXCHAINMASK;
120	AH5416(ah)->ah_tx_chainmask	= AR9280_DEFAULT_TXCHAINMASK;
121
122	if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
123		/* reset chip */
124		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n",
125		    __func__);
126		ecode = HAL_EIO;
127		goto bad;
128	}
129
130	if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
131		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n",
132		    __func__);
133		ecode = HAL_EIO;
134		goto bad;
135	}
136	/* Read Revisions from Chips before taking out of reset */
137	val = OS_REG_READ(ah, AR_SREV);
138	HALDEBUG(ah, HAL_DEBUG_ATTACH,
139	    "%s: ID 0x%x VERSION 0x%x TYPE 0x%x REVISION 0x%x\n",
140	    __func__, MS(val, AR_XSREV_ID), MS(val, AR_XSREV_VERSION),
141	    MS(val, AR_XSREV_TYPE), MS(val, AR_XSREV_REVISION));
142	/* NB: include chip type to differentiate from pre-Sowl versions */
143	AH_PRIVATE(ah)->ah_macVersion =
144	    (val & AR_XSREV_VERSION) >> AR_XSREV_TYPE_S;
145	AH_PRIVATE(ah)->ah_macRev = MS(val, AR_XSREV_REVISION);
146	AH_PRIVATE(ah)->ah_ispcie = (val & AR_XSREV_TYPE_HOST_MODE) == 0;
147
148	/* setup common ini data; rf backends handle remainder */
149	if (AR_SREV_MERLIN_20_OR_LATER(ah)) {
150		HAL_INI_INIT(&ahp->ah_ini_modes, ar9280Modes_v2, 6);
151		HAL_INI_INIT(&ahp->ah_ini_common, ar9280Common_v2, 2);
152		HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes,
153		    ar9280PciePhy_clkreq_always_on_L1_v2, 2);
154		HAL_INI_INIT(&ahp9280->ah_ini_xmodes,
155		    ar9280Modes_fast_clock_v2, 3);
156	} else {
157		HAL_INI_INIT(&ahp->ah_ini_modes, ar9280Modes_v1, 6);
158		HAL_INI_INIT(&ahp->ah_ini_common, ar9280Common_v1, 2);
159		HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes,
160		    ar9280PciePhy_v1, 2);
161	}
162	ar5416AttachPCIE(ah);
163
164	ecode = ath_hal_v14EepromAttach(ah);
165	if (ecode != HAL_OK)
166		goto bad;
167
168	if (!ar5416ChipReset(ah, AH_NULL)) {	/* reset chip */
169		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n", __func__);
170		ecode = HAL_EIO;
171		goto bad;
172	}
173
174	AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
175
176	if (!ar5212ChipTest(ah)) {
177		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
178		    __func__);
179		ecode = HAL_ESELFTEST;
180		goto bad;
181	}
182
183	/*
184	 * Set correct Baseband to analog shift
185	 * setting to access analog chips.
186	 */
187	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
188
189	/* Read Radio Chip Rev Extract */
190	AH_PRIVATE(ah)->ah_analog5GhzRev = ar5416GetRadioRev(ah);
191	switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
192        case AR_RAD2133_SREV_MAJOR:	/* Sowl: 2G/3x3 */
193	case AR_RAD5133_SREV_MAJOR:	/* Sowl: 2+5G/3x3 */
194		break;
195	default:
196		if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
197			AH_PRIVATE(ah)->ah_analog5GhzRev =
198				AR_RAD5133_SREV_MAJOR;
199			break;
200		}
201#ifdef AH_DEBUG
202		HALDEBUG(ah, HAL_DEBUG_ANY,
203		    "%s: 5G Radio Chip Rev 0x%02X is not supported by "
204		    "this driver\n", __func__,
205		    AH_PRIVATE(ah)->ah_analog5GhzRev);
206		ecode = HAL_ENOTSUPP;
207		goto bad;
208#endif
209	}
210	rfStatus = ar9280RfAttach(ah, &ecode);
211	if (!rfStatus) {
212		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
213		    __func__, ecode);
214		goto bad;
215	}
216
217	if (AR_SREV_MERLIN_20_OR_LATER(ah)) {
218		/* setup rxgain table */
219		switch (ath_hal_eepromGet(ah, AR_EEP_RXGAIN_TYPE, AH_NULL)) {
220		case AR5416_EEP_RXGAIN_13dB_BACKOFF:
221			HAL_INI_INIT(&ahp9280->ah_ini_rxgain,
222			    ar9280Modes_backoff_13db_rxgain_v2, 6);
223			break;
224		case AR5416_EEP_RXGAIN_23dB_BACKOFF:
225			HAL_INI_INIT(&ahp9280->ah_ini_rxgain,
226			    ar9280Modes_backoff_23db_rxgain_v2, 6);
227			break;
228		case AR5416_EEP_RXGAIN_ORIG:
229			HAL_INI_INIT(&ahp9280->ah_ini_rxgain,
230			    ar9280Modes_original_rxgain_v2, 6);
231			break;
232		default:
233			HALASSERT(AH_FALSE);
234			goto bad;		/* XXX ? try to continue */
235		}
236	}
237	if (AR_SREV_MERLIN_20_OR_LATER(ah)) {
238		/* setp txgain table */
239		switch (ath_hal_eepromGet(ah, AR_EEP_TXGAIN_TYPE, AH_NULL)) {
240		case AR5416_EEP_TXGAIN_HIGH_POWER:
241			HAL_INI_INIT(&ahp9280->ah_ini_txgain,
242			    ar9280Modes_high_power_tx_gain_v2, 6);
243			break;
244		case AR5416_EEP_TXGAIN_ORIG:
245			HAL_INI_INIT(&ahp9280->ah_ini_txgain,
246			    ar9280Modes_original_tx_gain_v2, 6);
247			break;
248		default:
249			HALASSERT(AH_FALSE);
250			goto bad;		/* XXX ? try to continue */
251		}
252	}
253
254	/*
255	 * Got everything we need now to setup the capabilities.
256	 */
257	if (!ar9280FillCapabilityInfo(ah)) {
258		ecode = HAL_EEREAD;
259		goto bad;
260	}
261
262	ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
263	if (ecode != HAL_OK) {
264		HALDEBUG(ah, HAL_DEBUG_ANY,
265		    "%s: error getting mac address from EEPROM\n", __func__);
266		goto bad;
267        }
268	/* XXX How about the serial number ? */
269	/* Read Reg Domain */
270	AH_PRIVATE(ah)->ah_currentRD =
271	    ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
272
273	/*
274	 * ah_miscMode is populated by ar5416FillCapabilityInfo()
275	 * starting from griffin. Set here to make sure that
276	 * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
277	 * placed into hardware.
278	 */
279	if (ahp->ah_miscMode != 0)
280		OS_REG_WRITE(ah, AR_MISC_MODE, ahp->ah_miscMode);
281
282	ar9280AniSetup(ah);			/* Anti Noise Immunity */
283	ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
284
285	HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
286
287	return ah;
288bad:
289	if (ah != AH_NULL)
290		ah->ah_detach(ah);
291	if (status)
292		*status = ecode;
293	return AH_NULL;
294}
295
296static void
297ar9280ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore)
298{
299	if (AH_PRIVATE(ah)->ah_ispcie && !restore) {
300		ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0);
301		OS_DELAY(1000);
302		OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
303		OS_REG_WRITE(ah, AR_WA, AR9280_WA_DEFAULT);
304	}
305}
306
307static void
308ar9280WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan)
309{
310	u_int modesIndex, freqIndex;
311	int regWrites = 0;
312
313	/* Setup the indices for the next set of register array writes */
314	/* XXX Ignore 11n dynamic mode on the AR5416 for the moment */
315	if (IEEE80211_IS_CHAN_2GHZ(chan)) {
316		freqIndex = 2;
317		if (IEEE80211_IS_CHAN_HT40(chan))
318			modesIndex = 3;
319		else if (IEEE80211_IS_CHAN_108G(chan))
320			modesIndex = 5;
321		else
322			modesIndex = 4;
323	} else {
324		freqIndex = 1;
325		if (IEEE80211_IS_CHAN_HT40(chan) ||
326		    IEEE80211_IS_CHAN_TURBO(chan))
327			modesIndex = 2;
328		else
329			modesIndex = 1;
330	}
331
332	/* Set correct Baseband to analog shift setting to access analog chips. */
333	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
334	OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
335
336	/* XXX Merlin ini fixups */
337	/* XXX Merlin 100us delay for shift registers */
338	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes,
339	    modesIndex, regWrites);
340	if (AR_SREV_MERLIN_20_OR_LATER(ah)) {
341		regWrites = ath_hal_ini_write(ah, &AH9280(ah)->ah_ini_rxgain,
342		    modesIndex, regWrites);
343		regWrites = ath_hal_ini_write(ah, &AH9280(ah)->ah_ini_txgain,
344		    modesIndex, regWrites);
345	}
346	/* XXX Merlin 100us delay for shift registers */
347	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common,
348	    1, regWrites);
349
350	if (AR_SREV_MERLIN_20(ah) && IS_5GHZ_FAST_CLOCK_EN(ah, chan)) {
351		/* 5GHz channels w/ Fast Clock use different modal values */
352		regWrites = ath_hal_ini_write(ah, &AH9280(ah)->ah_ini_xmodes,
353		    modesIndex, regWrites);
354	}
355}
356
357#define	AR_BASE_FREQ_2GHZ	2300
358#define	AR_BASE_FREQ_5GHZ	4900
359#define	AR_SPUR_FEEQ_BOUND_HT40	19
360#define	AR_SPUR_FEEQ_BOUND_HT20	10
361
362void
363ar9280SpurMitigate(struct ath_hal *ah, const struct ieee80211_channel *chan)
364{
365    static const int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
366                AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60 };
367    static const int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
368                AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60 };
369    static int inc[4] = { 0, 100, 0, 0 };
370
371    int bb_spur = AR_NO_SPUR;
372    int freq;
373    int bin, cur_bin;
374    int bb_spur_off, spur_subchannel_sd;
375    int spur_freq_sd;
376    int spur_delta_phase;
377    int denominator;
378    int upper, lower, cur_vit_mask;
379    int tmp, newVal;
380    int i;
381    CHAN_CENTERS centers;
382
383    int8_t mask_m[123];
384    int8_t mask_p[123];
385    int8_t mask_amt;
386    int tmp_mask;
387    int cur_bb_spur;
388    HAL_BOOL is2GHz = IEEE80211_IS_CHAN_2GHZ(chan);
389
390    OS_MEMZERO(&mask_m, sizeof(int8_t) * 123);
391    OS_MEMZERO(&mask_p, sizeof(int8_t) * 123);
392
393    ar5416GetChannelCenters(ah, chan, &centers);
394    freq = centers.synth_center;
395
396    /*
397     * Need to verify range +/- 9.38 for static ht20 and +/- 18.75 for ht40,
398     * otherwise spur is out-of-band and can be ignored.
399     */
400    for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) {
401        cur_bb_spur = ath_hal_getSpurChan(ah, i, is2GHz);
402        /* Get actual spur freq in MHz from EEPROM read value */
403        if (is2GHz) {
404            cur_bb_spur =  (cur_bb_spur / 10) + AR_BASE_FREQ_2GHZ;
405        } else {
406            cur_bb_spur =  (cur_bb_spur / 10) + AR_BASE_FREQ_5GHZ;
407        }
408
409        if (AR_NO_SPUR == cur_bb_spur)
410            break;
411        cur_bb_spur = cur_bb_spur - freq;
412
413        if (IEEE80211_IS_CHAN_HT40(chan)) {
414            if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT40) &&
415                (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT40)) {
416                bb_spur = cur_bb_spur;
417                break;
418            }
419        } else if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT20) &&
420                   (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT20)) {
421            bb_spur = cur_bb_spur;
422            break;
423        }
424    }
425
426    if (AR_NO_SPUR == bb_spur) {
427#if 1
428        /*
429         * MRC CCK can interfere with beacon detection and cause deaf/mute.
430         * Disable MRC CCK for now.
431         */
432        OS_REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK, AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
433#else
434        /* Enable MRC CCK if no spur is found in this channel. */
435        OS_REG_SET_BIT(ah, AR_PHY_FORCE_CLKEN_CCK, AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
436#endif
437        return;
438    } else {
439        /*
440         * For Merlin, spur can break CCK MRC algorithm. Disable CCK MRC if spur
441         * is found in this channel.
442         */
443        OS_REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK, AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
444    }
445
446    bin = bb_spur * 320;
447
448    tmp = OS_REG_READ(ah, AR_PHY_TIMING_CTRL4_CHAIN(0));
449
450    newVal = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
451        AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
452        AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
453        AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
454    OS_REG_WRITE(ah, AR_PHY_TIMING_CTRL4_CHAIN(0), newVal);
455
456    newVal = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
457        AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
458        AR_PHY_SPUR_REG_MASK_RATE_SELECT |
459        AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
460        SM(AR5416_SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
461    OS_REG_WRITE(ah, AR_PHY_SPUR_REG, newVal);
462
463    /* Pick control or extn channel to cancel the spur */
464    if (IEEE80211_IS_CHAN_HT40(chan)) {
465        if (bb_spur < 0) {
466            spur_subchannel_sd = 1;
467            bb_spur_off = bb_spur + 10;
468        } else {
469            spur_subchannel_sd = 0;
470            bb_spur_off = bb_spur - 10;
471        }
472    } else {
473        spur_subchannel_sd = 0;
474        bb_spur_off = bb_spur;
475    }
476
477    /*
478     * spur_delta_phase = bb_spur/40 * 2**21 for static ht20,
479     * /80 for dyn2040.
480     */
481    if (IEEE80211_IS_CHAN_HT40(chan))
482        spur_delta_phase = ((bb_spur * 262144) / 10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE;
483    else
484        spur_delta_phase = ((bb_spur * 524288) / 10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE;
485
486    /*
487     * in 11A mode the denominator of spur_freq_sd should be 40 and
488     * it should be 44 in 11G
489     */
490    denominator = IEEE80211_IS_CHAN_2GHZ(chan) ? 44 : 40;
491    spur_freq_sd = ((bb_spur_off * 2048) / denominator) & 0x3ff;
492
493    newVal = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
494        SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
495        SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
496    OS_REG_WRITE(ah, AR_PHY_TIMING11, newVal);
497
498    /* Choose to cancel between control and extension channels */
499    newVal = spur_subchannel_sd << AR_PHY_SFCORR_SPUR_SUBCHNL_SD_S;
500    OS_REG_WRITE(ah, AR_PHY_SFCORR_EXT, newVal);
501
502    /*
503     * ============================================
504     * Set Pilot and Channel Masks
505     *
506     * pilot mask 1 [31:0] = +6..-26, no 0 bin
507     * pilot mask 2 [19:0] = +26..+7
508     *
509     * channel mask 1 [31:0] = +6..-26, no 0 bin
510     * channel mask 2 [19:0] = +26..+7
511     */
512    cur_bin = -6000;
513    upper = bin + 100;
514    lower = bin - 100;
515
516    for (i = 0; i < 4; i++) {
517        int pilot_mask = 0;
518        int chan_mask  = 0;
519        int bp         = 0;
520        for (bp = 0; bp < 30; bp++) {
521            if ((cur_bin > lower) && (cur_bin < upper)) {
522                pilot_mask = pilot_mask | 0x1 << bp;
523                chan_mask  = chan_mask | 0x1 << bp;
524            }
525            cur_bin += 100;
526        }
527        cur_bin += inc[i];
528        OS_REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
529        OS_REG_WRITE(ah, chan_mask_reg[i], chan_mask);
530    }
531
532    /* =================================================
533     * viterbi mask 1 based on channel magnitude
534     * four levels 0-3
535     *  - mask (-27 to 27) (reg 64,0x9900 to 67,0x990c)
536     *      [1 2 2 1] for -9.6 or [1 2 1] for +16
537     *  - enable_mask_ppm, all bins move with freq
538     *
539     *  - mask_select,    8 bits for rates (reg 67,0x990c)
540     *  - mask_rate_cntl, 8 bits for rates (reg 67,0x990c)
541     *      choose which mask to use mask or mask2
542     */
543
544    /*
545     * viterbi mask 2  2nd set for per data rate puncturing
546     * four levels 0-3
547     *  - mask_select, 8 bits for rates (reg 67)
548     *  - mask (-27 to 27) (reg 98,0x9988 to 101,0x9994)
549     *      [1 2 2 1] for -9.6 or [1 2 1] for +16
550     */
551    cur_vit_mask = 6100;
552    upper        = bin + 120;
553    lower        = bin - 120;
554
555    for (i = 0; i < 123; i++) {
556        if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
557            if ((abs(cur_vit_mask - bin)) < 75) {
558                mask_amt = 1;
559            } else {
560                mask_amt = 0;
561            }
562            if (cur_vit_mask < 0) {
563                mask_m[abs(cur_vit_mask / 100)] = mask_amt;
564            } else {
565                mask_p[cur_vit_mask / 100] = mask_amt;
566            }
567        }
568        cur_vit_mask -= 100;
569    }
570
571    tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
572          | (mask_m[48] << 26) | (mask_m[49] << 24)
573          | (mask_m[50] << 22) | (mask_m[51] << 20)
574          | (mask_m[52] << 18) | (mask_m[53] << 16)
575          | (mask_m[54] << 14) | (mask_m[55] << 12)
576          | (mask_m[56] << 10) | (mask_m[57] <<  8)
577          | (mask_m[58] <<  6) | (mask_m[59] <<  4)
578          | (mask_m[60] <<  2) | (mask_m[61] <<  0);
579    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
580    OS_REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
581
582    tmp_mask =             (mask_m[31] << 28)
583          | (mask_m[32] << 26) | (mask_m[33] << 24)
584          | (mask_m[34] << 22) | (mask_m[35] << 20)
585          | (mask_m[36] << 18) | (mask_m[37] << 16)
586          | (mask_m[48] << 14) | (mask_m[39] << 12)
587          | (mask_m[40] << 10) | (mask_m[41] <<  8)
588          | (mask_m[42] <<  6) | (mask_m[43] <<  4)
589          | (mask_m[44] <<  2) | (mask_m[45] <<  0);
590    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
591    OS_REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
592
593    tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
594          | (mask_m[18] << 26) | (mask_m[18] << 24)
595          | (mask_m[20] << 22) | (mask_m[20] << 20)
596          | (mask_m[22] << 18) | (mask_m[22] << 16)
597          | (mask_m[24] << 14) | (mask_m[24] << 12)
598          | (mask_m[25] << 10) | (mask_m[26] <<  8)
599          | (mask_m[27] <<  6) | (mask_m[28] <<  4)
600          | (mask_m[29] <<  2) | (mask_m[30] <<  0);
601    OS_REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
602    OS_REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
603
604    tmp_mask = (mask_m[ 0] << 30) | (mask_m[ 1] << 28)
605          | (mask_m[ 2] << 26) | (mask_m[ 3] << 24)
606          | (mask_m[ 4] << 22) | (mask_m[ 5] << 20)
607          | (mask_m[ 6] << 18) | (mask_m[ 7] << 16)
608          | (mask_m[ 8] << 14) | (mask_m[ 9] << 12)
609          | (mask_m[10] << 10) | (mask_m[11] <<  8)
610          | (mask_m[12] <<  6) | (mask_m[13] <<  4)
611          | (mask_m[14] <<  2) | (mask_m[15] <<  0);
612    OS_REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
613    OS_REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
614
615    tmp_mask =             (mask_p[15] << 28)
616          | (mask_p[14] << 26) | (mask_p[13] << 24)
617          | (mask_p[12] << 22) | (mask_p[11] << 20)
618          | (mask_p[10] << 18) | (mask_p[ 9] << 16)
619          | (mask_p[ 8] << 14) | (mask_p[ 7] << 12)
620          | (mask_p[ 6] << 10) | (mask_p[ 5] <<  8)
621          | (mask_p[ 4] <<  6) | (mask_p[ 3] <<  4)
622          | (mask_p[ 2] <<  2) | (mask_p[ 1] <<  0);
623    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
624    OS_REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
625
626    tmp_mask =             (mask_p[30] << 28)
627          | (mask_p[29] << 26) | (mask_p[28] << 24)
628          | (mask_p[27] << 22) | (mask_p[26] << 20)
629          | (mask_p[25] << 18) | (mask_p[24] << 16)
630          | (mask_p[23] << 14) | (mask_p[22] << 12)
631          | (mask_p[21] << 10) | (mask_p[20] <<  8)
632          | (mask_p[19] <<  6) | (mask_p[18] <<  4)
633          | (mask_p[17] <<  2) | (mask_p[16] <<  0);
634    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
635    OS_REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
636
637    tmp_mask =             (mask_p[45] << 28)
638          | (mask_p[44] << 26) | (mask_p[43] << 24)
639          | (mask_p[42] << 22) | (mask_p[41] << 20)
640          | (mask_p[40] << 18) | (mask_p[39] << 16)
641          | (mask_p[38] << 14) | (mask_p[37] << 12)
642          | (mask_p[36] << 10) | (mask_p[35] <<  8)
643          | (mask_p[34] <<  6) | (mask_p[33] <<  4)
644          | (mask_p[32] <<  2) | (mask_p[31] <<  0);
645    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
646    OS_REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
647
648    tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
649          | (mask_p[59] << 26) | (mask_p[58] << 24)
650          | (mask_p[57] << 22) | (mask_p[56] << 20)
651          | (mask_p[55] << 18) | (mask_p[54] << 16)
652          | (mask_p[53] << 14) | (mask_p[52] << 12)
653          | (mask_p[51] << 10) | (mask_p[50] <<  8)
654          | (mask_p[49] <<  6) | (mask_p[48] <<  4)
655          | (mask_p[47] <<  2) | (mask_p[46] <<  0);
656    OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
657    OS_REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
658}
659
660/*
661 * Fill all software cached or static hardware state information.
662 * Return failure if capabilities are to come from EEPROM and
663 * cannot be read.
664 */
665static HAL_BOOL
666ar9280FillCapabilityInfo(struct ath_hal *ah)
667{
668	HAL_CAPABILITIES *pCap = &AH_PRIVATE(ah)->ah_caps;
669
670	if (!ar5416FillCapabilityInfo(ah))
671		return AH_FALSE;
672	pCap->halNumGpioPins = 10;
673	pCap->halWowSupport = AH_TRUE;
674	pCap->halWowMatchPatternExact = AH_TRUE;
675#if 0
676	pCap->halWowMatchPatternDword = AH_TRUE;
677#endif
678	pCap->halCSTSupport = AH_TRUE;
679	pCap->halRifsRxSupport = AH_TRUE;
680	pCap->halRifsTxSupport = AH_TRUE;
681	pCap->halRtsAggrLimit = 64*1024;	/* 802.11n max */
682	pCap->halExtChanDfsSupport = AH_TRUE;
683#if 0
684	/* XXX bluetooth */
685	pCap->halBtCoexSupport = AH_TRUE;
686#endif
687	pCap->halAutoSleepSupport = AH_FALSE;	/* XXX? */
688#if 0
689	pCap->hal4kbSplitTransSupport = AH_FALSE;
690#endif
691	pCap->halRxStbcSupport = 1;
692	pCap->halTxStbcSupport = 1;
693
694	return AH_TRUE;
695}
696
697HAL_BOOL
698ar9280SetAntennaSwitch(struct ath_hal *ah, HAL_ANT_SETTING settings)
699{
700#define ANTENNA0_CHAINMASK    0x1
701#define ANTENNA1_CHAINMASK    0x2
702	struct ath_hal_5416 *ahp = AH5416(ah);
703
704	/* Antenna selection is done by setting the tx/rx chainmasks approp. */
705	switch (settings) {
706	case HAL_ANT_FIXED_A:
707		/* Enable first antenna only */
708		ahp->ah_tx_chainmask = ANTENNA0_CHAINMASK;
709		ahp->ah_rx_chainmask = ANTENNA0_CHAINMASK;
710		break;
711	case HAL_ANT_FIXED_B:
712		/* Enable second antenna only, after checking capability */
713		if (AH_PRIVATE(ah)->ah_caps.halTxChainMask > ANTENNA1_CHAINMASK)
714			ahp->ah_tx_chainmask = ANTENNA1_CHAINMASK;
715		ahp->ah_rx_chainmask = ANTENNA1_CHAINMASK;
716		break;
717	case HAL_ANT_VARIABLE:
718		/* Restore original chainmask settings */
719		/* XXX */
720		ahp->ah_tx_chainmask = AR9280_DEFAULT_TXCHAINMASK;
721		ahp->ah_rx_chainmask = AR9280_DEFAULT_RXCHAINMASK;
722		break;
723	}
724
725	HALDEBUG(ah, HAL_DEBUG_ANY, "%s: settings=%d, tx/rx chainmask=%d/%d\n",
726	    __func__, settings, ahp->ah_tx_chainmask, ahp->ah_rx_chainmask);
727
728	return AH_TRUE;
729#undef ANTENNA0_CHAINMASK
730#undef ANTENNA1_CHAINMASK
731}
732
733static const char*
734ar9280Probe(uint16_t vendorid, uint16_t devid)
735{
736	if (vendorid == ATHEROS_VENDOR_ID &&
737	    (devid == AR9280_DEVID_PCI || devid == AR9280_DEVID_PCIE))
738		return "Atheros 9280";
739	return AH_NULL;
740}
741AH_CHIP(AR9280, ar9280Probe, ar9280Attach);
742