ar9287_reset.c revision 249580
1272343Sngie/*
2272343Sngie * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
3272343Sngie * Copyright (c) 2002-2008 Atheros Communications, Inc.
4272343Sngie *
5272343Sngie * Permission to use, copy, modify, and/or distribute this software for any
6272343Sngie * purpose with or without fee is hereby granted, provided that the above
7272343Sngie * copyright notice and this permission notice appear in all copies.
8272343Sngie *
9272343Sngie * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10272343Sngie * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11272343Sngie * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12272343Sngie * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13272343Sngie * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14272343Sngie * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15272343Sngie * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16272343Sngie *
17272343Sngie * $FreeBSD: head/sys/dev/ath/ath_hal/ar9002/ar9287_reset.c 249580 2013-04-17 07:31:53Z adrian $
18272343Sngie */
19272343Sngie
20272343Sngie#include "opt_ah.h"
21272343Sngie
22272343Sngie#include "ah.h"
23272343Sngie#include "ah_internal.h"
24272343Sngie#include "ah_devid.h"
25272343Sngie
26272343Sngie#include "ah_eeprom_v14.h"
27272343Sngie#include "ah_eeprom_9287.h"
28272343Sngie
29272343Sngie#include "ar5416/ar5416.h"
30272343Sngie#include "ar5416/ar5416reg.h"
31272343Sngie#include "ar5416/ar5416phy.h"
32272343Sngie
33272343Sngie#include "ar9002/ar9287phy.h"
34272343Sngie#include "ar9002/ar9287an.h"
35272343Sngie
36272343Sngie#include "ar9002/ar9287_olc.h"
37272343Sngie#include "ar9002/ar9287_reset.h"
38272343Sngie
39272343Sngie/*
40272343Sngie * Set the TX power calibration table per-chain.
41272343Sngie *
42272343Sngie * This only supports open-loop TX power control for the AR9287.
43272343Sngie */
44272343Sngiestatic void
45272343Sngiear9287SetPowerCalTable(struct ath_hal *ah,
46272343Sngie    const struct ieee80211_channel *chan, int16_t *pTxPowerIndexOffset)
47276478Sngie{
48272343Sngie	struct cal_data_op_loop_ar9287 *pRawDatasetOpenLoop;
49276478Sngie	uint8_t *pCalBChans = NULL;
50272343Sngie	uint16_t pdGainOverlap_t2;
51272343Sngie	uint16_t numPiers = 0, i;
52272343Sngie	uint16_t numXpdGain, xpdMask;
53272343Sngie	uint16_t xpdGainValues[AR5416_NUM_PD_GAINS] = {0, 0, 0, 0};
54272343Sngie	uint32_t regChainOffset;
55272343Sngie	HAL_EEPROM_9287 *ee = AH_PRIVATE(ah)->ah_eeprom;
56272343Sngie	struct ar9287_eeprom *pEepData = &ee->ee_base;
57272343Sngie
58272343Sngie	xpdMask = pEepData->modalHeader.xpdGain;
59272343Sngie
60272343Sngie	if ((pEepData->baseEepHeader.version & AR9287_EEP_VER_MINOR_MASK) >=
61272343Sngie	    AR9287_EEP_MINOR_VER_2)
62272343Sngie		pdGainOverlap_t2 = pEepData->modalHeader.pdGainOverlap;
63272343Sngie	else
64272343Sngie		pdGainOverlap_t2 = (uint16_t)(MS(OS_REG_READ(ah, AR_PHY_TPCRG5),
65272343Sngie					    AR_PHY_TPCRG5_PD_GAIN_OVERLAP));
66272343Sngie
67272343Sngie	/* Note: Kiwi should only be 2ghz.. */
68272343Sngie	if (IEEE80211_IS_CHAN_2GHZ(chan)) {
69272343Sngie		pCalBChans = pEepData->calFreqPier2G;
70272343Sngie		numPiers = AR9287_NUM_2G_CAL_PIERS;
71272343Sngie		pRawDatasetOpenLoop = (struct cal_data_op_loop_ar9287 *)pEepData->calPierData2G[0];
72272343Sngie		AH5416(ah)->initPDADC = pRawDatasetOpenLoop->vpdPdg[0][0];
73272343Sngie	}
74272343Sngie	numXpdGain = 0;
75272343Sngie
76272343Sngie	/* Calculate the value of xpdgains from the xpdGain Mask */
77272343Sngie	for (i = 1; i <= AR5416_PD_GAINS_IN_MASK; i++) {
78272343Sngie		if ((xpdMask >> (AR5416_PD_GAINS_IN_MASK - i)) & 1) {
79272343Sngie			if (numXpdGain >= AR5416_NUM_PD_GAINS)
80272343Sngie				break;
81272343Sngie			xpdGainValues[numXpdGain] =
82272343Sngie				(uint16_t)(AR5416_PD_GAINS_IN_MASK-i);
83272343Sngie			numXpdGain++;
84272343Sngie		}
85272343Sngie	}
86272343Sngie
87272343Sngie	OS_REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN,
88272343Sngie		      (numXpdGain - 1) & 0x3);
89272343Sngie	OS_REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_1,
90272343Sngie		      xpdGainValues[0]);
91272343Sngie	OS_REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_2,
92272343Sngie		      xpdGainValues[1]);
93272343Sngie	OS_REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_3,
94272343Sngie		      xpdGainValues[2]);
95272343Sngie
96272343Sngie	for (i = 0; i < AR9287_MAX_CHAINS; i++) {
97272343Sngie		regChainOffset = i * 0x1000;
98272343Sngie
99272343Sngie		if (pEepData->baseEepHeader.txMask & (1 << i)) {
100272343Sngie			int8_t txPower;
101272343Sngie			pRawDatasetOpenLoop =
102272343Sngie			(struct cal_data_op_loop_ar9287 *)pEepData->calPierData2G[i];
103272343Sngie				ar9287olcGetTxGainIndex(ah, chan,
104272343Sngie				    pRawDatasetOpenLoop,
105272343Sngie				    pCalBChans, numPiers,
106272343Sngie				    &txPower);
107272343Sngie				ar9287olcSetPDADCs(ah, txPower, i);
108272343Sngie		}
109272343Sngie	}
110272343Sngie
111272343Sngie	*pTxPowerIndexOffset = 0;
112272343Sngie}
113272343Sngie
114272343Sngie
115272343Sngie/* XXX hard-coded values? */
116272343Sngie#define REDUCE_SCALED_POWER_BY_TWO_CHAIN     6
117272343Sngie
118272343Sngie/*
119272343Sngie * ar9287SetPowerPerRateTable
120272343Sngie *
121272343Sngie * Sets the transmit power in the baseband for the given
122272343Sngie * operating channel and mode.
123272343Sngie *
124272343Sngie * This is like the v14 EEPROM table except the 5GHz code.
125272343Sngie */
126272343Sngiestatic HAL_BOOL
127272343Sngiear9287SetPowerPerRateTable(struct ath_hal *ah,
128272343Sngie    struct ar9287_eeprom *pEepData,
129272343Sngie    const struct ieee80211_channel *chan,
130272343Sngie    int16_t *ratesArray, uint16_t cfgCtl,
131272343Sngie    uint16_t AntennaReduction,
132272343Sngie    uint16_t twiceMaxRegulatoryPower,
133272343Sngie    uint16_t powerLimit)
134272343Sngie{
135272343Sngie#define	N(a)	(sizeof(a)/sizeof(a[0]))
136272343Sngie/* Local defines to distinguish between extension and control CTL's */
137272343Sngie#define EXT_ADDITIVE (0x8000)
138272343Sngie#define CTL_11A_EXT (CTL_11A | EXT_ADDITIVE)
139272343Sngie#define CTL_11G_EXT (CTL_11G | EXT_ADDITIVE)
140272343Sngie#define CTL_11B_EXT (CTL_11B | EXT_ADDITIVE)
141272343Sngie
142272343Sngie	uint16_t twiceMaxEdgePower = AR5416_MAX_RATE_POWER;
143272343Sngie	int i;
144272343Sngie	int16_t  twiceLargestAntenna;
145272343Sngie	struct cal_ctl_data_ar9287 *rep;
146272343Sngie	CAL_TARGET_POWER_LEG targetPowerOfdm;
147272343Sngie	CAL_TARGET_POWER_LEG targetPowerCck = {0, {0, 0, 0, 0}};
148272343Sngie	CAL_TARGET_POWER_LEG targetPowerOfdmExt = {0, {0, 0, 0, 0}};
149272343Sngie	CAL_TARGET_POWER_LEG targetPowerCckExt = {0, {0, 0, 0, 0}};
150272343Sngie	CAL_TARGET_POWER_HT  targetPowerHt20;
151272343Sngie	CAL_TARGET_POWER_HT  targetPowerHt40 = {0, {0, 0, 0, 0}};
152272343Sngie	int16_t scaledPower, minCtlPower;
153272343Sngie
154272343Sngie#define SUB_NUM_CTL_MODES_AT_2G_40 3   /* excluding HT40, EXT-OFDM, EXT-CCK */
155272343Sngie	static const uint16_t ctlModesFor11g[] = {
156272343Sngie	   CTL_11B, CTL_11G, CTL_2GHT20, CTL_11B_EXT, CTL_11G_EXT, CTL_2GHT40
157272343Sngie	};
158272343Sngie	const uint16_t *pCtlMode;
159272343Sngie	uint16_t numCtlModes, ctlMode, freq;
160272343Sngie	CHAN_CENTERS centers;
161272343Sngie
162272343Sngie	ar5416GetChannelCenters(ah,  chan, &centers);
163272343Sngie
164272343Sngie	/* Compute TxPower reduction due to Antenna Gain */
165276478Sngie
166272343Sngie	twiceLargestAntenna = AH_MAX(
167272343Sngie	    pEepData->modalHeader.antennaGainCh[0],
168272343Sngie	    pEepData->modalHeader.antennaGainCh[1]);
169272343Sngie
170272343Sngie	twiceLargestAntenna = (int16_t)AH_MIN((AntennaReduction) - twiceLargestAntenna, 0);
171272343Sngie
172272343Sngie	/* XXX setup for 5212 use (really used?) */
173272343Sngie	ath_hal_eepromSet(ah, AR_EEP_ANTGAINMAX_2, twiceLargestAntenna);
174272343Sngie
175272343Sngie	/*
176272343Sngie	 * scaledPower is the minimum of the user input power level and
177272343Sngie	 * the regulatory allowed power level
178272343Sngie	 */
179272343Sngie	scaledPower = AH_MIN(powerLimit, twiceMaxRegulatoryPower + twiceLargestAntenna);
180272343Sngie
181272343Sngie	/* Reduce scaled Power by number of chains active to get to per chain tx power level */
182272343Sngie	/* TODO: better value than these? */
183272343Sngie	switch (owl_get_ntxchains(AH5416(ah)->ah_tx_chainmask)) {
184272343Sngie	case 1:
185272343Sngie		break;
186272343Sngie	case 2:
187272343Sngie		scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
188272343Sngie		break;
189272343Sngie	default:
190272343Sngie		return AH_FALSE; /* Unsupported number of chains */
191272343Sngie	}
192272343Sngie
193272343Sngie	scaledPower = AH_MAX(0, scaledPower);
194272343Sngie
195272343Sngie	/* Get target powers from EEPROM - our baseline for TX Power */
196272343Sngie	/* XXX assume channel is 2ghz */
197272343Sngie	if (1) {
198272343Sngie		/* Setup for CTL modes */
199272343Sngie		numCtlModes = N(ctlModesFor11g) - SUB_NUM_CTL_MODES_AT_2G_40; /* CTL_11B, CTL_11G, CTL_2GHT20 */
200272343Sngie		pCtlMode = ctlModesFor11g;
201272343Sngie
202272343Sngie		ar5416GetTargetPowersLeg(ah,  chan, pEepData->calTargetPowerCck,
203272343Sngie				AR9287_NUM_2G_CCK_TARGET_POWERS, &targetPowerCck, 4, AH_FALSE);
204272343Sngie		ar5416GetTargetPowersLeg(ah,  chan, pEepData->calTargetPower2G,
205272343Sngie				AR9287_NUM_2G_20_TARGET_POWERS, &targetPowerOfdm, 4, AH_FALSE);
206272343Sngie		ar5416GetTargetPowers(ah,  chan, pEepData->calTargetPower2GHT20,
207272343Sngie				AR9287_NUM_2G_20_TARGET_POWERS, &targetPowerHt20, 8, AH_FALSE);
208272343Sngie
209272343Sngie		if (IEEE80211_IS_CHAN_HT40(chan)) {
210272343Sngie			numCtlModes = N(ctlModesFor11g);    /* All 2G CTL's */
211272343Sngie
212272343Sngie			ar5416GetTargetPowers(ah,  chan, pEepData->calTargetPower2GHT40,
213272343Sngie				AR9287_NUM_2G_40_TARGET_POWERS, &targetPowerHt40, 8, AH_TRUE);
214272343Sngie			/* Get target powers for extension channels */
215272343Sngie			ar5416GetTargetPowersLeg(ah,  chan, pEepData->calTargetPowerCck,
216272343Sngie				AR9287_NUM_2G_CCK_TARGET_POWERS, &targetPowerCckExt, 4, AH_TRUE);
217272343Sngie			ar5416GetTargetPowersLeg(ah,  chan, pEepData->calTargetPower2G,
218272343Sngie				AR9287_NUM_2G_20_TARGET_POWERS, &targetPowerOfdmExt, 4, AH_TRUE);
219272343Sngie		}
220272343Sngie	}
221272343Sngie
222272343Sngie	/*
223272343Sngie	 * For MIMO, need to apply regulatory caps individually across dynamically
224272343Sngie	 * running modes: CCK, OFDM, HT20, HT40
225272343Sngie	 *
226272343Sngie	 * The outer loop walks through each possible applicable runtime mode.
227272343Sngie	 * The inner loop walks through each ctlIndex entry in EEPROM.
228272343Sngie	 * The ctl value is encoded as [7:4] == test group, [3:0] == test mode.
229272343Sngie	 *
230272343Sngie	 */
231272343Sngie	for (ctlMode = 0; ctlMode < numCtlModes; ctlMode++) {
232272343Sngie		HAL_BOOL isHt40CtlMode = (pCtlMode[ctlMode] == CTL_5GHT40) ||
233272343Sngie		    (pCtlMode[ctlMode] == CTL_2GHT40);
234272343Sngie		if (isHt40CtlMode) {
235272343Sngie			freq = centers.ctl_center;
236272343Sngie		} else if (pCtlMode[ctlMode] & EXT_ADDITIVE) {
237272343Sngie			freq = centers.ext_center;
238272343Sngie		} else {
239272343Sngie			freq = centers.ctl_center;
240272343Sngie		}
241272343Sngie
242272343Sngie		/* walk through each CTL index stored in EEPROM */
243272343Sngie		for (i = 0; (i < AR9287_NUM_CTLS) && pEepData->ctlIndex[i]; i++) {
244272343Sngie			uint16_t twiceMinEdgePower;
245272343Sngie
246272343Sngie			/* compare test group from regulatory channel list with test mode from pCtlMode list */
247272343Sngie			if ((((cfgCtl & ~CTL_MODE_M) | (pCtlMode[ctlMode] & CTL_MODE_M)) == pEepData->ctlIndex[i]) ||
248276478Sngie				(((cfgCtl & ~CTL_MODE_M) | (pCtlMode[ctlMode] & CTL_MODE_M)) ==
249272343Sngie				 ((pEepData->ctlIndex[i] & CTL_MODE_M) | SD_NO_CTL))) {
250272343Sngie				rep = &(pEepData->ctlData[i]);
251272343Sngie				twiceMinEdgePower = ar5416GetMaxEdgePower(freq,
252272343Sngie							rep->ctlEdges[owl_get_ntxchains(AH5416(ah)->ah_tx_chainmask) - 1],
253272343Sngie							IEEE80211_IS_CHAN_2GHZ(chan));
254272343Sngie				if ((cfgCtl & ~CTL_MODE_M) == SD_NO_CTL) {
255272343Sngie					/* Find the minimum of all CTL edge powers that apply to this channel */
256272343Sngie					twiceMaxEdgePower = AH_MIN(twiceMaxEdgePower, twiceMinEdgePower);
257272343Sngie				} else {
258272343Sngie					/* specific */
259272343Sngie					twiceMaxEdgePower = twiceMinEdgePower;
260272343Sngie					break;
261272343Sngie				}
262272343Sngie			}
263272343Sngie		}
264272343Sngie		minCtlPower = (uint8_t)AH_MIN(twiceMaxEdgePower, scaledPower);
265272343Sngie		/* Apply ctl mode to correct target power set */
266272343Sngie		switch(pCtlMode[ctlMode]) {
267272343Sngie		case CTL_11B:
268272343Sngie			for (i = 0; i < N(targetPowerCck.tPow2x); i++) {
269272343Sngie				targetPowerCck.tPow2x[i] = (uint8_t)AH_MIN(targetPowerCck.tPow2x[i], minCtlPower);
270272343Sngie			}
271272343Sngie			break;
272272343Sngie		case CTL_11A:
273272343Sngie		case CTL_11G:
274272343Sngie			for (i = 0; i < N(targetPowerOfdm.tPow2x); i++) {
275272343Sngie				targetPowerOfdm.tPow2x[i] = (uint8_t)AH_MIN(targetPowerOfdm.tPow2x[i], minCtlPower);
276272343Sngie			}
277272343Sngie			break;
278272343Sngie		case CTL_5GHT20:
279272343Sngie		case CTL_2GHT20:
280272343Sngie			for (i = 0; i < N(targetPowerHt20.tPow2x); i++) {
281272343Sngie				targetPowerHt20.tPow2x[i] = (uint8_t)AH_MIN(targetPowerHt20.tPow2x[i], minCtlPower);
282272343Sngie			}
283272343Sngie			break;
284272343Sngie		case CTL_11B_EXT:
285272343Sngie			targetPowerCckExt.tPow2x[0] = (uint8_t)AH_MIN(targetPowerCckExt.tPow2x[0], minCtlPower);
286272343Sngie			break;
287272343Sngie		case CTL_11A_EXT:
288272343Sngie		case CTL_11G_EXT:
289272343Sngie			targetPowerOfdmExt.tPow2x[0] = (uint8_t)AH_MIN(targetPowerOfdmExt.tPow2x[0], minCtlPower);
290272343Sngie			break;
291272343Sngie		case CTL_5GHT40:
292272343Sngie		case CTL_2GHT40:
293272343Sngie			for (i = 0; i < N(targetPowerHt40.tPow2x); i++) {
294272343Sngie				targetPowerHt40.tPow2x[i] = (uint8_t)AH_MIN(targetPowerHt40.tPow2x[i], minCtlPower);
295272343Sngie			}
296272343Sngie			break;
297272343Sngie		default:
298272343Sngie			return AH_FALSE;
299272343Sngie			break;
300272343Sngie		}
301272343Sngie	} /* end ctl mode checking */
302272343Sngie
303272343Sngie	/* Set rates Array from collected data */
304272343Sngie	ar5416SetRatesArrayFromTargetPower(ah, chan, ratesArray,
305272343Sngie	    &targetPowerCck,
306272343Sngie	    &targetPowerCckExt,
307272343Sngie	    &targetPowerOfdm,
308272343Sngie	    &targetPowerOfdmExt,
309272343Sngie	    &targetPowerHt20,
310272343Sngie	    &targetPowerHt40);
311272343Sngie	return AH_TRUE;
312272343Sngie#undef EXT_ADDITIVE
313272343Sngie#undef CTL_11A_EXT
314272343Sngie#undef CTL_11G_EXT
315272343Sngie#undef CTL_11B_EXT
316272343Sngie#undef SUB_NUM_CTL_MODES_AT_5G_40
317272343Sngie#undef SUB_NUM_CTL_MODES_AT_2G_40
318272343Sngie#undef N
319272343Sngie}
320272343Sngie
321272343Sngie#undef REDUCE_SCALED_POWER_BY_TWO_CHAIN
322272343Sngie
323272343Sngie/*
324272343Sngie * This is based off of the AR5416/AR9285 code and likely could
325272343Sngie * be unified in the future.
326272343Sngie */
327272343SngieHAL_BOOL
328272343Sngiear9287SetTransmitPower(struct ath_hal *ah,
329272343Sngie	const struct ieee80211_channel *chan, uint16_t *rfXpdGain)
330272343Sngie{
331272343Sngie#define	POW_SM(_r, _s)     (((_r) & 0x3f) << (_s))
332272343Sngie#define	N(a)	    (sizeof (a) / sizeof (a[0]))
333272343Sngie
334272343Sngie	const struct modal_eep_ar9287_header *pModal;
335272343Sngie	struct ath_hal_5212 *ahp = AH5212(ah);
336272343Sngie	int16_t	     txPowerIndexOffset = 0;
337272343Sngie	int		 i;
338272343Sngie
339272343Sngie	uint16_t	    cfgCtl;
340272343Sngie	uint16_t	    powerLimit;
341272343Sngie	uint16_t	    twiceAntennaReduction;
342272343Sngie	uint16_t	    twiceMaxRegulatoryPower;
343272343Sngie	int16_t	     maxPower;
344272343Sngie	HAL_EEPROM_9287 *ee = AH_PRIVATE(ah)->ah_eeprom;
345272343Sngie	struct ar9287_eeprom *pEepData = &ee->ee_base;
346272343Sngie
347272343Sngie	AH5416(ah)->ah_ht40PowerIncForPdadc = 2;
348272343Sngie
349272343Sngie	/* Setup info for the actual eeprom */
350272343Sngie	OS_MEMZERO(AH5416(ah)->ah_ratesArray,
351272343Sngie	  sizeof(AH5416(ah)->ah_ratesArray));
352272343Sngie	cfgCtl = ath_hal_getctl(ah, chan);
353272343Sngie	powerLimit = chan->ic_maxregpower * 2;
354272343Sngie	twiceAntennaReduction = chan->ic_maxantgain;
355272343Sngie	twiceMaxRegulatoryPower = AH_MIN(MAX_RATE_POWER,
356272343Sngie	    AH_PRIVATE(ah)->ah_powerLimit);
357272343Sngie	pModal = &pEepData->modalHeader;
358276478Sngie	HALDEBUG(ah, HAL_DEBUG_RESET, "%s Channel=%u CfgCtl=%u\n",
359272343Sngie	    __func__,chan->ic_freq, cfgCtl );
360276478Sngie
361272343Sngie	/* XXX Assume Minor is v2 or later */
362272343Sngie	AH5416(ah)->ah_ht40PowerIncForPdadc = pModal->ht40PowerIncForPdadc;
363272343Sngie
364272343Sngie	/* Fetch per-rate power table for the given channel */
365272343Sngie	if (! ar9287SetPowerPerRateTable(ah, pEepData,  chan,
366	    &AH5416(ah)->ah_ratesArray[0],
367	    cfgCtl,
368	    twiceAntennaReduction,
369	    twiceMaxRegulatoryPower, powerLimit)) {
370		HALDEBUG(ah, HAL_DEBUG_ANY,
371		    "%s: unable to set tx power per rate table\n", __func__);
372		return AH_FALSE;
373	}
374
375	/* Set TX power control calibration curves for each TX chain */
376	ar9287SetPowerCalTable(ah, chan, &txPowerIndexOffset);
377
378	/* Calculate maximum power level */
379	maxPower = AH_MAX(AH5416(ah)->ah_ratesArray[rate6mb],
380	    AH5416(ah)->ah_ratesArray[rateHt20_0]);
381	maxPower = AH_MAX(maxPower,
382	    AH5416(ah)->ah_ratesArray[rate1l]);
383
384	if (IEEE80211_IS_CHAN_HT40(chan))
385		maxPower = AH_MAX(maxPower,
386		    AH5416(ah)->ah_ratesArray[rateHt40_0]);
387
388	ahp->ah_tx6PowerInHalfDbm = maxPower;
389	AH_PRIVATE(ah)->ah_maxPowerLevel = maxPower;
390	ahp->ah_txPowerIndexOffset = txPowerIndexOffset;
391
392	/*
393	 * txPowerIndexOffset is set by the SetPowerTable() call -
394	 *  adjust the rate table (0 offset if rates EEPROM not loaded)
395	 */
396	/* XXX what about the pwrTableOffset? */
397	for (i = 0; i < N(AH5416(ah)->ah_ratesArray); i++) {
398		AH5416(ah)->ah_ratesArray[i] =
399		    (int16_t)(txPowerIndexOffset +
400		      AH5416(ah)->ah_ratesArray[i]);
401		/* -5 dBm offset for Merlin and later; this includes Kiwi */
402		AH5416(ah)->ah_ratesArray[i] -= AR5416_PWR_TABLE_OFFSET_DB * 2;
403		if (AH5416(ah)->ah_ratesArray[i] > AR5416_MAX_RATE_POWER)
404			AH5416(ah)->ah_ratesArray[i] = AR5416_MAX_RATE_POWER;
405		if (AH5416(ah)->ah_ratesArray[i] < 0)
406			AH5416(ah)->ah_ratesArray[i] = 0;
407	}
408
409#ifdef AH_EEPROM_DUMP
410	ar5416PrintPowerPerRate(ah, AH5416(ah)->ah_ratesArray);
411#endif
412
413	/*
414	 * Adjust the HT40 power to meet the correct target TX power
415	 * for 40MHz mode, based on TX power curves that are established
416	 * for 20MHz mode.
417	 *
418	 * XXX handle overflow/too high power level?
419	 */
420	if (IEEE80211_IS_CHAN_HT40(chan)) {
421		AH5416(ah)->ah_ratesArray[rateHt40_0] +=
422		  AH5416(ah)->ah_ht40PowerIncForPdadc;
423		AH5416(ah)->ah_ratesArray[rateHt40_1] +=
424		  AH5416(ah)->ah_ht40PowerIncForPdadc;
425		AH5416(ah)->ah_ratesArray[rateHt40_2] +=
426		  AH5416(ah)->ah_ht40PowerIncForPdadc;
427		AH5416(ah)->ah_ratesArray[rateHt40_3] +=
428		  AH5416(ah)->ah_ht40PowerIncForPdadc;
429		AH5416(ah)->ah_ratesArray[rateHt40_4] +=
430		  AH5416(ah)->ah_ht40PowerIncForPdadc;
431		AH5416(ah)->ah_ratesArray[rateHt40_5] +=
432		  AH5416(ah)->ah_ht40PowerIncForPdadc;
433		AH5416(ah)->ah_ratesArray[rateHt40_6] +=
434		  AH5416(ah)->ah_ht40PowerIncForPdadc;
435		AH5416(ah)->ah_ratesArray[rateHt40_7] +=
436		  AH5416(ah)->ah_ht40PowerIncForPdadc;
437	}
438
439	/* Write the TX power rate registers */
440	ar5416WriteTxPowerRateRegisters(ah, chan, AH5416(ah)->ah_ratesArray);
441
442	return AH_TRUE;
443#undef POW_SM
444#undef N
445}
446
447/*
448 * Read EEPROM header info and program the device for correct operation
449 * given the channel value.
450 */
451HAL_BOOL
452ar9287SetBoardValues(struct ath_hal *ah, const struct ieee80211_channel *chan)
453{
454	const HAL_EEPROM_9287 *ee = AH_PRIVATE(ah)->ah_eeprom;
455	const struct ar9287_eeprom *eep = &ee->ee_base;
456	const struct modal_eep_ar9287_header *pModal = &eep->modalHeader;
457	uint16_t antWrites[AR9287_ANT_16S];
458	uint32_t regChainOffset, regval;
459	uint8_t txRxAttenLocal;
460	int i, j, offset_num;
461
462	pModal = &eep->modalHeader;
463
464	antWrites[0] = (uint16_t)((pModal->antCtrlCommon >> 28) & 0xF);
465	antWrites[1] = (uint16_t)((pModal->antCtrlCommon >> 24) & 0xF);
466	antWrites[2] = (uint16_t)((pModal->antCtrlCommon >> 20) & 0xF);
467	antWrites[3] = (uint16_t)((pModal->antCtrlCommon >> 16) & 0xF);
468	antWrites[4] = (uint16_t)((pModal->antCtrlCommon >> 12) & 0xF);
469	antWrites[5] = (uint16_t)((pModal->antCtrlCommon >> 8) & 0xF);
470	antWrites[6] = (uint16_t)((pModal->antCtrlCommon >> 4)  & 0xF);
471	antWrites[7] = (uint16_t)(pModal->antCtrlCommon & 0xF);
472
473	offset_num = 8;
474
475	for (i = 0, j = offset_num; i < AR9287_MAX_CHAINS; i++) {
476		antWrites[j++] = (uint16_t)((pModal->antCtrlChain[i] >> 28) & 0xf);
477		antWrites[j++] = (uint16_t)((pModal->antCtrlChain[i] >> 10) & 0x3);
478		antWrites[j++] = (uint16_t)((pModal->antCtrlChain[i] >> 8) & 0x3);
479		antWrites[j++] = 0;
480		antWrites[j++] = (uint16_t)((pModal->antCtrlChain[i] >> 6) & 0x3);
481		antWrites[j++] = (uint16_t)((pModal->antCtrlChain[i] >> 4) & 0x3);
482		antWrites[j++] = (uint16_t)((pModal->antCtrlChain[i] >> 2) & 0x3);
483		antWrites[j++] = (uint16_t)(pModal->antCtrlChain[i] & 0x3);
484	}
485
486	OS_REG_WRITE(ah, AR_PHY_SWITCH_COM, pModal->antCtrlCommon);
487
488	for (i = 0; i < AR9287_MAX_CHAINS; i++)	{
489		regChainOffset = i * 0x1000;
490
491		OS_REG_WRITE(ah, AR_PHY_SWITCH_CHAIN_0 + regChainOffset,
492			  pModal->antCtrlChain[i]);
493
494		OS_REG_WRITE(ah, AR_PHY_TIMING_CTRL4_CHAIN(0) + regChainOffset,
495			  (OS_REG_READ(ah, AR_PHY_TIMING_CTRL4_CHAIN(0)
496			      + regChainOffset)
497			   & ~(AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF |
498			       AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF)) |
499			  SM(pModal->iqCalICh[i],
500			     AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF) |
501			  SM(pModal->iqCalQCh[i],
502			     AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF));
503
504		txRxAttenLocal = pModal->txRxAttenCh[i];
505
506		OS_REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + regChainOffset,
507			      AR_PHY_GAIN_2GHZ_XATTEN1_MARGIN,
508			      pModal->bswMargin[i]);
509		OS_REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + regChainOffset,
510			      AR_PHY_GAIN_2GHZ_XATTEN1_DB,
511			      pModal->bswAtten[i]);
512		OS_REG_RMW_FIELD(ah, AR_PHY_RXGAIN + regChainOffset,
513			      AR9280_PHY_RXGAIN_TXRX_ATTEN,
514			      txRxAttenLocal);
515		OS_REG_RMW_FIELD(ah, AR_PHY_RXGAIN + regChainOffset,
516			      AR9280_PHY_RXGAIN_TXRX_MARGIN,
517			      pModal->rxTxMarginCh[i]);
518	}
519
520	if (IEEE80211_IS_CHAN_HT40(chan))
521		OS_REG_RMW_FIELD(ah, AR_PHY_SETTLING,
522			      AR_PHY_SETTLING_SWITCH, pModal->swSettleHt40);
523	else
524		OS_REG_RMW_FIELD(ah, AR_PHY_SETTLING,
525			      AR_PHY_SETTLING_SWITCH, pModal->switchSettling);
526
527	OS_REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ,
528		      AR_PHY_DESIRED_SZ_ADC, pModal->adcDesiredSize);
529
530	OS_REG_WRITE(ah, AR_PHY_RF_CTL4,
531		  SM(pModal->txEndToXpaOff, AR_PHY_RF_CTL4_TX_END_XPAA_OFF)
532		  | SM(pModal->txEndToXpaOff, AR_PHY_RF_CTL4_TX_END_XPAB_OFF)
533		  | SM(pModal->txFrameToXpaOn, AR_PHY_RF_CTL4_FRAME_XPAA_ON)
534		  | SM(pModal->txFrameToXpaOn, AR_PHY_RF_CTL4_FRAME_XPAB_ON));
535
536	OS_REG_RMW_FIELD(ah, AR_PHY_RF_CTL3,
537		      AR_PHY_TX_END_TO_A2_RX_ON, pModal->txEndToRxOn);
538
539	OS_REG_RMW_FIELD(ah, AR_PHY_CCA,
540		      AR9280_PHY_CCA_THRESH62, pModal->thresh62);
541	OS_REG_RMW_FIELD(ah, AR_PHY_EXT_CCA0,
542		      AR_PHY_EXT_CCA0_THRESH62, pModal->thresh62);
543
544	regval = OS_REG_READ(ah, AR9287_AN_RF2G3_CH0);
545	regval &= ~(AR9287_AN_RF2G3_DB1 |
546		    AR9287_AN_RF2G3_DB2 |
547		    AR9287_AN_RF2G3_OB_CCK |
548		    AR9287_AN_RF2G3_OB_PSK |
549		    AR9287_AN_RF2G3_OB_QAM |
550		    AR9287_AN_RF2G3_OB_PAL_OFF);
551	regval |= (SM(pModal->db1, AR9287_AN_RF2G3_DB1) |
552		   SM(pModal->db2, AR9287_AN_RF2G3_DB2) |
553		   SM(pModal->ob_cck, AR9287_AN_RF2G3_OB_CCK) |
554		   SM(pModal->ob_psk, AR9287_AN_RF2G3_OB_PSK) |
555		   SM(pModal->ob_qam, AR9287_AN_RF2G3_OB_QAM) |
556		   SM(pModal->ob_pal_off, AR9287_AN_RF2G3_OB_PAL_OFF));
557
558	/* Analog write - requires a 100usec delay */
559	OS_A_REG_WRITE(ah, AR9287_AN_RF2G3_CH0, regval);
560
561	regval = OS_REG_READ(ah, AR9287_AN_RF2G3_CH1);
562	regval &= ~(AR9287_AN_RF2G3_DB1 |
563		    AR9287_AN_RF2G3_DB2 |
564		    AR9287_AN_RF2G3_OB_CCK |
565		    AR9287_AN_RF2G3_OB_PSK |
566		    AR9287_AN_RF2G3_OB_QAM |
567		    AR9287_AN_RF2G3_OB_PAL_OFF);
568	regval |= (SM(pModal->db1, AR9287_AN_RF2G3_DB1) |
569		   SM(pModal->db2, AR9287_AN_RF2G3_DB2) |
570		   SM(pModal->ob_cck, AR9287_AN_RF2G3_OB_CCK) |
571		   SM(pModal->ob_psk, AR9287_AN_RF2G3_OB_PSK) |
572		   SM(pModal->ob_qam, AR9287_AN_RF2G3_OB_QAM) |
573		   SM(pModal->ob_pal_off, AR9287_AN_RF2G3_OB_PAL_OFF));
574
575	OS_A_REG_WRITE(ah, AR9287_AN_RF2G3_CH1, regval);
576
577	OS_REG_RMW_FIELD(ah, AR_PHY_RF_CTL2,
578	    AR_PHY_TX_FRAME_TO_DATA_START, pModal->txFrameToDataStart);
579	OS_REG_RMW_FIELD(ah, AR_PHY_RF_CTL2,
580	    AR_PHY_TX_FRAME_TO_PA_ON, pModal->txFrameToPaOn);
581
582	OS_A_REG_RMW_FIELD(ah, AR9287_AN_TOP2,
583	    AR9287_AN_TOP2_XPABIAS_LVL, pModal->xpaBiasLvl);
584
585	return AH_TRUE;
586}
587