1/*
2 * Copyright (c) 2008-2011 Atheros Communications Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#include "hw.h"
18#include "hw-ops.h"
19#include "ar9002_phy.h"
20
21#define AR9285_CLCAL_REDO_THRESH    1
22/* AGC & I/Q calibrations time limit, ms */
23#define AR9002_CAL_MAX_TIME		30000
24
25enum ar9002_cal_types {
26	ADC_GAIN_CAL = BIT(0),
27	ADC_DC_CAL = BIT(1),
28	IQ_MISMATCH_CAL = BIT(2),
29};
30
31static bool ar9002_hw_is_cal_supported(struct ath_hw *ah,
32				struct ath9k_channel *chan,
33				enum ar9002_cal_types cal_type)
34{
35	bool supported = false;
36	switch (ah->supp_cals & cal_type) {
37	case IQ_MISMATCH_CAL:
38		supported = true;
39		break;
40	case ADC_GAIN_CAL:
41	case ADC_DC_CAL:
42		/* Run even/odd ADCs calibrations for HT40 channels only */
43		if (IS_CHAN_HT40(chan))
44			supported = true;
45		break;
46	}
47	return supported;
48}
49
50static void ar9002_hw_setup_calibration(struct ath_hw *ah,
51					struct ath9k_cal_list *currCal)
52{
53	struct ath_common *common = ath9k_hw_common(ah);
54
55	REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(0),
56		      AR_PHY_TIMING_CTRL4_IQCAL_LOG_COUNT_MAX,
57		      currCal->calData->calCountMax);
58
59	switch (currCal->calData->calType) {
60	case IQ_MISMATCH_CAL:
61		REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_IQ);
62		ath_dbg(common, CALIBRATE,
63			"starting IQ Mismatch Calibration\n");
64		break;
65	case ADC_GAIN_CAL:
66		REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_GAIN);
67		ath_dbg(common, CALIBRATE, "starting ADC Gain Calibration\n");
68		break;
69	case ADC_DC_CAL:
70		REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_PER);
71		ath_dbg(common, CALIBRATE, "starting ADC DC Calibration\n");
72		break;
73	}
74
75	REG_SET_BIT(ah, AR_PHY_TIMING_CTRL4(0),
76		    AR_PHY_TIMING_CTRL4_DO_CAL);
77}
78
79static bool ar9002_hw_per_calibration(struct ath_hw *ah,
80				      struct ath9k_channel *ichan,
81				      u8 rxchainmask,
82				      struct ath9k_cal_list *currCal)
83{
84	struct ath9k_hw_cal_data *caldata = ah->caldata;
85	bool iscaldone = false;
86
87	if (currCal->calState == CAL_RUNNING) {
88		if (!(REG_READ(ah, AR_PHY_TIMING_CTRL4(0)) &
89		      AR_PHY_TIMING_CTRL4_DO_CAL)) {
90
91			currCal->calData->calCollect(ah);
92			ah->cal_samples++;
93
94			if (ah->cal_samples >=
95			    currCal->calData->calNumSamples) {
96				int i, numChains = 0;
97				for (i = 0; i < AR5416_MAX_CHAINS; i++) {
98					if (rxchainmask & (1 << i))
99						numChains++;
100				}
101
102				currCal->calData->calPostProc(ah, numChains);
103				caldata->CalValid |= currCal->calData->calType;
104				currCal->calState = CAL_DONE;
105				iscaldone = true;
106			} else {
107				ar9002_hw_setup_calibration(ah, currCal);
108			}
109		} else if (time_after(jiffies, ah->cal_start_time +
110				      msecs_to_jiffies(AR9002_CAL_MAX_TIME))) {
111			REG_CLR_BIT(ah, AR_PHY_TIMING_CTRL4(0),
112				    AR_PHY_TIMING_CTRL4_DO_CAL);
113			ath_dbg(ath9k_hw_common(ah), CALIBRATE,
114				"calibration timeout\n");
115			currCal->calState = CAL_WAITING;	/* Try later */
116			iscaldone = true;
117		}
118	} else if (!(caldata->CalValid & currCal->calData->calType)) {
119		ath9k_hw_reset_calibration(ah, currCal);
120	}
121
122	return iscaldone;
123}
124
125static void ar9002_hw_iqcal_collect(struct ath_hw *ah)
126{
127	int i;
128
129	for (i = 0; i < AR5416_MAX_CHAINS; i++) {
130		ah->totalPowerMeasI[i] +=
131			REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
132		ah->totalPowerMeasQ[i] +=
133			REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
134		ah->totalIqCorrMeas[i] +=
135			(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
136		ath_dbg(ath9k_hw_common(ah), CALIBRATE,
137			"%d: Chn %d pmi=0x%08x;pmq=0x%08x;iqcm=0x%08x;\n",
138			ah->cal_samples, i, ah->totalPowerMeasI[i],
139			ah->totalPowerMeasQ[i],
140			ah->totalIqCorrMeas[i]);
141	}
142}
143
144static void ar9002_hw_adc_gaincal_collect(struct ath_hw *ah)
145{
146	int i;
147
148	for (i = 0; i < AR5416_MAX_CHAINS; i++) {
149		ah->totalAdcIOddPhase[i] +=
150			REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
151		ah->totalAdcIEvenPhase[i] +=
152			REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
153		ah->totalAdcQOddPhase[i] +=
154			REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
155		ah->totalAdcQEvenPhase[i] +=
156			REG_READ(ah, AR_PHY_CAL_MEAS_3(i));
157
158		ath_dbg(ath9k_hw_common(ah), CALIBRATE,
159			"%d: Chn %d oddi=0x%08x; eveni=0x%08x; oddq=0x%08x; evenq=0x%08x;\n",
160			ah->cal_samples, i,
161			ah->totalAdcIOddPhase[i],
162			ah->totalAdcIEvenPhase[i],
163			ah->totalAdcQOddPhase[i],
164			ah->totalAdcQEvenPhase[i]);
165	}
166}
167
168static void ar9002_hw_adc_dccal_collect(struct ath_hw *ah)
169{
170	int i;
171
172	for (i = 0; i < AR5416_MAX_CHAINS; i++) {
173		ah->totalAdcDcOffsetIOddPhase[i] +=
174			(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
175		ah->totalAdcDcOffsetIEvenPhase[i] +=
176			(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
177		ah->totalAdcDcOffsetQOddPhase[i] +=
178			(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
179		ah->totalAdcDcOffsetQEvenPhase[i] +=
180			(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_3(i));
181
182		ath_dbg(ath9k_hw_common(ah), CALIBRATE,
183			"%d: Chn %d oddi=0x%08x; eveni=0x%08x; oddq=0x%08x; evenq=0x%08x;\n",
184			ah->cal_samples, i,
185			ah->totalAdcDcOffsetIOddPhase[i],
186			ah->totalAdcDcOffsetIEvenPhase[i],
187			ah->totalAdcDcOffsetQOddPhase[i],
188			ah->totalAdcDcOffsetQEvenPhase[i]);
189	}
190}
191
192static void ar9002_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
193{
194	struct ath_common *common = ath9k_hw_common(ah);
195	u32 powerMeasQ, powerMeasI, iqCorrMeas;
196	u32 qCoffDenom, iCoffDenom;
197	int32_t qCoff, iCoff;
198	int iqCorrNeg, i;
199
200	for (i = 0; i < numChains; i++) {
201		powerMeasI = ah->totalPowerMeasI[i];
202		powerMeasQ = ah->totalPowerMeasQ[i];
203		iqCorrMeas = ah->totalIqCorrMeas[i];
204
205		ath_dbg(common, CALIBRATE,
206			"Starting IQ Cal and Correction for Chain %d\n",
207			i);
208
209		ath_dbg(common, CALIBRATE,
210			"Original: Chn %d iq_corr_meas = 0x%08x\n",
211			i, ah->totalIqCorrMeas[i]);
212
213		iqCorrNeg = 0;
214
215		if (iqCorrMeas > 0x80000000) {
216			iqCorrMeas = (0xffffffff - iqCorrMeas) + 1;
217			iqCorrNeg = 1;
218		}
219
220		ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_i = 0x%08x\n",
221			i, powerMeasI);
222		ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_q = 0x%08x\n",
223			i, powerMeasQ);
224		ath_dbg(common, CALIBRATE, "iqCorrNeg is 0x%08x\n", iqCorrNeg);
225
226		iCoffDenom = (powerMeasI / 2 + powerMeasQ / 2) / 128;
227		qCoffDenom = powerMeasQ / 64;
228
229		if ((powerMeasQ != 0) && (iCoffDenom != 0) &&
230		    (qCoffDenom != 0)) {
231			iCoff = iqCorrMeas / iCoffDenom;
232			qCoff = powerMeasI / qCoffDenom - 64;
233			ath_dbg(common, CALIBRATE, "Chn %d iCoff = 0x%08x\n",
234				i, iCoff);
235			ath_dbg(common, CALIBRATE, "Chn %d qCoff = 0x%08x\n",
236				i, qCoff);
237
238			iCoff = iCoff & 0x3f;
239			ath_dbg(common, CALIBRATE,
240				"New: Chn %d iCoff = 0x%08x\n", i, iCoff);
241			if (iqCorrNeg == 0x0)
242				iCoff = 0x40 - iCoff;
243
244			if (qCoff > 15)
245				qCoff = 15;
246			else if (qCoff <= -16)
247				qCoff = -16;
248
249			ath_dbg(common, CALIBRATE,
250				"Chn %d : iCoff = 0x%x  qCoff = 0x%x\n",
251				i, iCoff, qCoff);
252
253			REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(i),
254				      AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF,
255				      iCoff);
256			REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(i),
257				      AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF,
258				      qCoff);
259			ath_dbg(common, CALIBRATE,
260				"IQ Cal and Correction done for Chain %d\n",
261				i);
262		}
263	}
264
265	REG_SET_BIT(ah, AR_PHY_TIMING_CTRL4(0),
266		    AR_PHY_TIMING_CTRL4_IQCORR_ENABLE);
267}
268
269static void ar9002_hw_adc_gaincal_calibrate(struct ath_hw *ah, u8 numChains)
270{
271	struct ath_common *common = ath9k_hw_common(ah);
272	u32 iOddMeasOffset, iEvenMeasOffset, qOddMeasOffset, qEvenMeasOffset;
273	u32 qGainMismatch, iGainMismatch, val, i;
274
275	for (i = 0; i < numChains; i++) {
276		iOddMeasOffset = ah->totalAdcIOddPhase[i];
277		iEvenMeasOffset = ah->totalAdcIEvenPhase[i];
278		qOddMeasOffset = ah->totalAdcQOddPhase[i];
279		qEvenMeasOffset = ah->totalAdcQEvenPhase[i];
280
281		ath_dbg(common, CALIBRATE,
282			"Starting ADC Gain Cal for Chain %d\n", i);
283
284		ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_odd_i = 0x%08x\n",
285			i, iOddMeasOffset);
286		ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_even_i = 0x%08x\n",
287			i, iEvenMeasOffset);
288		ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_odd_q = 0x%08x\n",
289			i, qOddMeasOffset);
290		ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_even_q = 0x%08x\n",
291			i, qEvenMeasOffset);
292
293		if (iOddMeasOffset != 0 && qEvenMeasOffset != 0) {
294			iGainMismatch =
295				((iEvenMeasOffset * 32) /
296				 iOddMeasOffset) & 0x3f;
297			qGainMismatch =
298				((qOddMeasOffset * 32) /
299				 qEvenMeasOffset) & 0x3f;
300
301			ath_dbg(common, CALIBRATE,
302				"Chn %d gain_mismatch_i = 0x%08x\n",
303				i, iGainMismatch);
304			ath_dbg(common, CALIBRATE,
305				"Chn %d gain_mismatch_q = 0x%08x\n",
306				i, qGainMismatch);
307
308			val = REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i));
309			val &= 0xfffff000;
310			val |= (qGainMismatch) | (iGainMismatch << 6);
311			REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i), val);
312
313			ath_dbg(common, CALIBRATE,
314				"ADC Gain Cal done for Chain %d\n", i);
315		}
316	}
317
318	REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0),
319		  REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0)) |
320		  AR_PHY_NEW_ADC_GAIN_CORR_ENABLE);
321}
322
323static void ar9002_hw_adc_dccal_calibrate(struct ath_hw *ah, u8 numChains)
324{
325	struct ath_common *common = ath9k_hw_common(ah);
326	u32 iOddMeasOffset, iEvenMeasOffset, val, i;
327	int32_t qOddMeasOffset, qEvenMeasOffset, qDcMismatch, iDcMismatch;
328	const struct ath9k_percal_data *calData =
329		ah->cal_list_curr->calData;
330	u32 numSamples =
331		(1 << (calData->calCountMax + 5)) * calData->calNumSamples;
332
333	for (i = 0; i < numChains; i++) {
334		iOddMeasOffset = ah->totalAdcDcOffsetIOddPhase[i];
335		iEvenMeasOffset = ah->totalAdcDcOffsetIEvenPhase[i];
336		qOddMeasOffset = ah->totalAdcDcOffsetQOddPhase[i];
337		qEvenMeasOffset = ah->totalAdcDcOffsetQEvenPhase[i];
338
339		ath_dbg(common, CALIBRATE,
340			"Starting ADC DC Offset Cal for Chain %d\n", i);
341
342		ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_odd_i = %d\n",
343			i, iOddMeasOffset);
344		ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_even_i = %d\n",
345			i, iEvenMeasOffset);
346		ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_odd_q = %d\n",
347			i, qOddMeasOffset);
348		ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_even_q = %d\n",
349			i, qEvenMeasOffset);
350
351		iDcMismatch = (((iEvenMeasOffset - iOddMeasOffset) * 2) /
352			       numSamples) & 0x1ff;
353		qDcMismatch = (((qOddMeasOffset - qEvenMeasOffset) * 2) /
354			       numSamples) & 0x1ff;
355
356		ath_dbg(common, CALIBRATE,
357			"Chn %d dc_offset_mismatch_i = 0x%08x\n",
358			i, iDcMismatch);
359		ath_dbg(common, CALIBRATE,
360			"Chn %d dc_offset_mismatch_q = 0x%08x\n",
361			i, qDcMismatch);
362
363		val = REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i));
364		val &= 0xc0000fff;
365		val |= (qDcMismatch << 12) | (iDcMismatch << 21);
366		REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i), val);
367
368		ath_dbg(common, CALIBRATE,
369			"ADC DC Offset Cal done for Chain %d\n", i);
370	}
371
372	REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0),
373		  REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0)) |
374		  AR_PHY_NEW_ADC_DC_OFFSET_CORR_ENABLE);
375}
376
377static void ar9287_hw_olc_temp_compensation(struct ath_hw *ah)
378{
379	u32 rddata;
380	int32_t delta, currPDADC, slope;
381
382	rddata = REG_READ(ah, AR_PHY_TX_PWRCTRL4);
383	currPDADC = MS(rddata, AR_PHY_TX_PWRCTRL_PD_AVG_OUT);
384
385	if (ah->initPDADC == 0 || currPDADC == 0) {
386		/*
387		 * Zero value indicates that no frames have been transmitted
388		 * yet, can't do temperature compensation until frames are
389		 * transmitted.
390		 */
391		return;
392	} else {
393		slope = ah->eep_ops->get_eeprom(ah, EEP_TEMPSENSE_SLOPE);
394
395		if (slope == 0) { /* to avoid divide by zero case */
396			delta = 0;
397		} else {
398			delta = ((currPDADC - ah->initPDADC)*4) / slope;
399		}
400		REG_RMW_FIELD(ah, AR_PHY_CH0_TX_PWRCTRL11,
401			      AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, delta);
402		REG_RMW_FIELD(ah, AR_PHY_CH1_TX_PWRCTRL11,
403			      AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, delta);
404	}
405}
406
407static void ar9280_hw_olc_temp_compensation(struct ath_hw *ah)
408{
409	u32 rddata, i;
410	int delta, currPDADC, regval;
411
412	rddata = REG_READ(ah, AR_PHY_TX_PWRCTRL4);
413	currPDADC = MS(rddata, AR_PHY_TX_PWRCTRL_PD_AVG_OUT);
414
415	if (ah->initPDADC == 0 || currPDADC == 0)
416		return;
417
418	if (ah->eep_ops->get_eeprom(ah, EEP_DAC_HPWR_5G))
419		delta = (currPDADC - ah->initPDADC + 4) / 8;
420	else
421		delta = (currPDADC - ah->initPDADC + 5) / 10;
422
423	if (delta != ah->PDADCdelta) {
424		ah->PDADCdelta = delta;
425		for (i = 1; i < AR9280_TX_GAIN_TABLE_SIZE; i++) {
426			regval = ah->originalGain[i] - delta;
427			if (regval < 0)
428				regval = 0;
429
430			REG_RMW_FIELD(ah,
431				      AR_PHY_TX_GAIN_TBL1 + i * 4,
432				      AR_PHY_TX_GAIN, regval);
433		}
434	}
435}
436
437static void ar9271_hw_pa_cal(struct ath_hw *ah, bool is_reset)
438{
439	u32 regVal;
440	unsigned int i;
441	u32 regList[][2] = {
442		{ AR9285_AN_TOP3, 0 },
443		{ AR9285_AN_RXTXBB1, 0 },
444		{ AR9285_AN_RF2G1, 0 },
445		{ AR9285_AN_RF2G2, 0 },
446		{ AR9285_AN_TOP2, 0 },
447		{ AR9285_AN_RF2G8, 0 },
448		{ AR9285_AN_RF2G7, 0 },
449		{ AR9285_AN_RF2G3, 0 },
450	};
451
452	REG_READ_ARRAY(ah, regList, ARRAY_SIZE(regList));
453
454	ENABLE_REG_RMW_BUFFER(ah);
455	/* 7834, b1=0 */
456	REG_CLR_BIT(ah, AR9285_AN_RF2G6, 1 << 0);
457	/* 9808, b27=1 */
458	REG_SET_BIT(ah, 0x9808, 1 << 27);
459	/* 786c,b23,1, pwddac=1 */
460	REG_SET_BIT(ah, AR9285_AN_TOP3, AR9285_AN_TOP3_PWDDAC);
461	/* 7854, b5,1, pdrxtxbb=1 */
462	REG_SET_BIT(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDRXTXBB1);
463	/* 7854, b7,1, pdv2i=1 */
464	REG_SET_BIT(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDV2I);
465	/* 7854, b8,1, pddacinterface=1 */
466	REG_SET_BIT(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDDACIF);
467	/* 7824,b12,0, offcal=0 */
468	REG_CLR_BIT(ah, AR9285_AN_RF2G2, AR9285_AN_RF2G2_OFFCAL);
469	/* 7838, b1,0, pwddb=0 */
470	REG_CLR_BIT(ah, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PWDDB);
471	/* 7820,b11,0, enpacal=0 */
472	REG_CLR_BIT(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_ENPACAL);
473	/* 7820,b25,1, pdpadrv1=0 */
474	REG_CLR_BIT(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPADRV1);
475	/* 7820,b24,0, pdpadrv2=0 */
476	REG_CLR_BIT(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPADRV2);
477	/* 7820,b23,0, pdpaout=0 */
478	REG_CLR_BIT(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPAOUT);
479	/* 783c,b14-16,7, padrvgn2tab_0=7 */
480	REG_RMW_FIELD(ah, AR9285_AN_RF2G8, AR9285_AN_RF2G8_PADRVGN2TAB0, 7);
481	/*
482	 * 7838,b29-31,0, padrvgn1tab_0=0
483	 * does not matter since we turn it off
484	 */
485	REG_RMW_FIELD(ah, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PADRVGN2TAB0, 0);
486	/* 7828, b0-11, ccom=fff */
487	REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9271_AN_RF2G3_CCOMP, 0xfff);
488	REG_RMW_BUFFER_FLUSH(ah);
489
490	/* Set:
491	 * localmode=1,bmode=1,bmoderxtx=1,synthon=1,
492	 * txon=1,paon=1,oscon=1,synthon_force=1
493	 */
494	REG_WRITE(ah, AR9285_AN_TOP2, 0xca0358a0);
495	udelay(30);
496	REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9271_AN_RF2G6_OFFS, 0);
497
498	/* find off_6_1; */
499	for (i = 6; i > 0; i--) {
500		regVal = REG_READ(ah, AR9285_AN_RF2G6);
501		regVal |= (1 << (20 + i));
502		REG_WRITE(ah, AR9285_AN_RF2G6, regVal);
503		udelay(1);
504		/* regVal = REG_READ(ah, 0x7834); */
505		regVal &= (~(0x1 << (20 + i)));
506		regVal |= (MS(REG_READ(ah, AR9285_AN_RF2G9),
507			      AR9285_AN_RXTXBB1_SPARE9)
508			    << (20 + i));
509		REG_WRITE(ah, AR9285_AN_RF2G6, regVal);
510	}
511
512	regVal = (regVal >> 20) & 0x7f;
513
514	/* Update PA cal info */
515	if ((!is_reset) && (ah->pacal_info.prev_offset == regVal)) {
516		if (ah->pacal_info.max_skipcount < MAX_PACAL_SKIPCOUNT)
517			ah->pacal_info.max_skipcount =
518				2 * ah->pacal_info.max_skipcount;
519		ah->pacal_info.skipcount = ah->pacal_info.max_skipcount;
520	} else {
521		ah->pacal_info.max_skipcount = 1;
522		ah->pacal_info.skipcount = 0;
523		ah->pacal_info.prev_offset = regVal;
524	}
525
526
527	ENABLE_REG_RMW_BUFFER(ah);
528	/* 7834, b1=1 */
529	REG_SET_BIT(ah, AR9285_AN_RF2G6, 1 << 0);
530	/* 9808, b27=0 */
531	REG_CLR_BIT(ah, 0x9808, 1 << 27);
532	REG_RMW_BUFFER_FLUSH(ah);
533
534	ENABLE_REGWRITE_BUFFER(ah);
535	for (i = 0; i < ARRAY_SIZE(regList); i++)
536		REG_WRITE(ah, regList[i][0], regList[i][1]);
537
538	REGWRITE_BUFFER_FLUSH(ah);
539}
540
541static inline void ar9285_hw_pa_cal(struct ath_hw *ah, bool is_reset)
542{
543	struct ath_common *common = ath9k_hw_common(ah);
544	u32 regVal;
545	int i, offset, offs_6_1, offs_0;
546	u32 ccomp_org, reg_field;
547	u32 regList[][2] = {
548		{ 0x786c, 0 },
549		{ 0x7854, 0 },
550		{ 0x7820, 0 },
551		{ 0x7824, 0 },
552		{ 0x7868, 0 },
553		{ 0x783c, 0 },
554		{ 0x7838, 0 },
555	};
556
557	ath_dbg(common, CALIBRATE, "Running PA Calibration\n");
558
559	/* PA CAL is not needed for high power solution */
560	if (ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE) ==
561	    AR5416_EEP_TXGAIN_HIGH_POWER)
562		return;
563
564	for (i = 0; i < ARRAY_SIZE(regList); i++)
565		regList[i][1] = REG_READ(ah, regList[i][0]);
566
567	regVal = REG_READ(ah, 0x7834);
568	regVal &= (~(0x1));
569	REG_WRITE(ah, 0x7834, regVal);
570	regVal = REG_READ(ah, 0x9808);
571	regVal |= (0x1 << 27);
572	REG_WRITE(ah, 0x9808, regVal);
573
574	REG_RMW_FIELD(ah, AR9285_AN_TOP3, AR9285_AN_TOP3_PWDDAC, 1);
575	REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDRXTXBB1, 1);
576	REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDV2I, 1);
577	REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDDACIF, 1);
578	REG_RMW_FIELD(ah, AR9285_AN_RF2G2, AR9285_AN_RF2G2_OFFCAL, 0);
579	REG_RMW_FIELD(ah, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PWDDB, 0);
580	REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_ENPACAL, 0);
581	REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPADRV1, 0);
582	REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPADRV2, 0);
583	REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPAOUT, 0);
584	REG_RMW_FIELD(ah, AR9285_AN_RF2G8, AR9285_AN_RF2G8_PADRVGN2TAB0, 7);
585	REG_RMW_FIELD(ah, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PADRVGN2TAB0, 0);
586	ccomp_org = MS(REG_READ(ah, AR9285_AN_RF2G6), AR9285_AN_RF2G6_CCOMP);
587	REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9285_AN_RF2G6_CCOMP, 0xf);
588
589	REG_WRITE(ah, AR9285_AN_TOP2, 0xca0358a0);
590	udelay(30);
591	REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9285_AN_RF2G6_OFFS, 0);
592	REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_PDVCCOMP, 0);
593
594	for (i = 6; i > 0; i--) {
595		regVal = REG_READ(ah, 0x7834);
596		regVal |= (1 << (19 + i));
597		REG_WRITE(ah, 0x7834, regVal);
598		udelay(1);
599		regVal = REG_READ(ah, 0x7834);
600		regVal &= (~(0x1 << (19 + i)));
601		reg_field = MS(REG_READ(ah, 0x7840), AR9285_AN_RXTXBB1_SPARE9);
602		regVal |= (reg_field << (19 + i));
603		REG_WRITE(ah, 0x7834, regVal);
604	}
605
606	REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_PDVCCOMP, 1);
607	udelay(1);
608	reg_field = MS(REG_READ(ah, AR9285_AN_RF2G9), AR9285_AN_RXTXBB1_SPARE9);
609	REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_PDVCCOMP, reg_field);
610	offs_6_1 = MS(REG_READ(ah, AR9285_AN_RF2G6), AR9285_AN_RF2G6_OFFS);
611	offs_0   = MS(REG_READ(ah, AR9285_AN_RF2G3), AR9285_AN_RF2G3_PDVCCOMP);
612
613	offset = (offs_6_1<<1) | offs_0;
614	offset = offset - 0;
615	offs_6_1 = offset>>1;
616	offs_0 = offset & 1;
617
618	if ((!is_reset) && (ah->pacal_info.prev_offset == offset)) {
619		if (ah->pacal_info.max_skipcount < MAX_PACAL_SKIPCOUNT)
620			ah->pacal_info.max_skipcount =
621				2 * ah->pacal_info.max_skipcount;
622		ah->pacal_info.skipcount = ah->pacal_info.max_skipcount;
623	} else {
624		ah->pacal_info.max_skipcount = 1;
625		ah->pacal_info.skipcount = 0;
626		ah->pacal_info.prev_offset = offset;
627	}
628
629	REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9285_AN_RF2G6_OFFS, offs_6_1);
630	REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_PDVCCOMP, offs_0);
631
632	regVal = REG_READ(ah, 0x7834);
633	regVal |= 0x1;
634	REG_WRITE(ah, 0x7834, regVal);
635	regVal = REG_READ(ah, 0x9808);
636	regVal &= (~(0x1 << 27));
637	REG_WRITE(ah, 0x9808, regVal);
638
639	for (i = 0; i < ARRAY_SIZE(regList); i++)
640		REG_WRITE(ah, regList[i][0], regList[i][1]);
641
642	REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9285_AN_RF2G6_CCOMP, ccomp_org);
643}
644
645static void ar9002_hw_pa_cal(struct ath_hw *ah, bool is_reset)
646{
647	if (AR_SREV_9271(ah)) {
648		if (is_reset || !ah->pacal_info.skipcount)
649			ar9271_hw_pa_cal(ah, is_reset);
650		else
651			ah->pacal_info.skipcount--;
652	} else if (AR_SREV_9285_12_OR_LATER(ah)) {
653		if (is_reset || !ah->pacal_info.skipcount)
654			ar9285_hw_pa_cal(ah, is_reset);
655		else
656			ah->pacal_info.skipcount--;
657	}
658}
659
660static void ar9002_hw_olc_temp_compensation(struct ath_hw *ah)
661{
662	if (OLC_FOR_AR9287_10_LATER(ah))
663		ar9287_hw_olc_temp_compensation(ah);
664	else if (OLC_FOR_AR9280_20_LATER(ah))
665		ar9280_hw_olc_temp_compensation(ah);
666}
667
668static int ar9002_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
669			       u8 rxchainmask, bool longcal)
670{
671	struct ath9k_cal_list *currCal = ah->cal_list_curr;
672	bool nfcal, nfcal_pending = false, percal_pending;
673	int ret;
674
675	nfcal = !!(REG_READ(ah, AR_PHY_AGC_CONTROL(ah)) & AR_PHY_AGC_CONTROL_NF);
676	if (ah->caldata) {
677		nfcal_pending = test_bit(NFCAL_PENDING, &ah->caldata->cal_flags);
678		if (longcal)		/* Remember to not miss */
679			set_bit(LONGCAL_PENDING, &ah->caldata->cal_flags);
680		else if (test_bit(LONGCAL_PENDING, &ah->caldata->cal_flags))
681			longcal = true;	/* Respin a previous one */
682	}
683
684	percal_pending = (currCal &&
685			  (currCal->calState == CAL_RUNNING ||
686			   currCal->calState == CAL_WAITING));
687
688	if (percal_pending && !nfcal) {
689		if (!ar9002_hw_per_calibration(ah, chan, rxchainmask, currCal))
690			return 0;
691
692		/* Looking for next waiting calibration if any */
693		for (currCal = currCal->calNext; currCal != ah->cal_list_curr;
694		     currCal = currCal->calNext) {
695			if (currCal->calState == CAL_WAITING)
696				break;
697		}
698		if (currCal->calState == CAL_WAITING) {
699			percal_pending = true;
700			ah->cal_list_curr = currCal;
701		} else {
702			percal_pending = false;
703			ah->cal_list_curr = ah->cal_list;
704		}
705	}
706
707	/* Do not start a next calibration if the longcal is in action */
708	if (percal_pending && !nfcal && !longcal) {
709		ath9k_hw_reset_calibration(ah, currCal);
710
711		return 0;
712	}
713
714	/* Do NF cal only at longer intervals */
715	if (longcal || nfcal_pending) {
716		/*
717		 * Get the value from the previous NF cal and update
718		 * history buffer.
719		 */
720		if (ath9k_hw_getnf(ah, chan)) {
721			/*
722			 * Load the NF from history buffer of the current
723			 * channel.
724			 * NF is slow time-variant, so it is OK to use a
725			 * historical value.
726			 */
727			ret = ath9k_hw_loadnf(ah, ah->curchan);
728			if (ret < 0)
729				return ret;
730		}
731
732		if (longcal) {
733			if (ah->caldata)
734				clear_bit(LONGCAL_PENDING,
735					  &ah->caldata->cal_flags);
736			ath9k_hw_start_nfcal(ah, false);
737			/* Do periodic PAOffset Cal */
738			ar9002_hw_pa_cal(ah, false);
739			ar9002_hw_olc_temp_compensation(ah);
740		}
741	}
742
743	return !percal_pending;
744}
745
746/* Carrier leakage Calibration fix */
747static bool ar9285_hw_cl_cal(struct ath_hw *ah, struct ath9k_channel *chan)
748{
749	struct ath_common *common = ath9k_hw_common(ah);
750
751	REG_SET_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE);
752	if (IS_CHAN_HT20(chan)) {
753		REG_SET_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_PARALLEL_CAL_ENABLE);
754		REG_SET_BIT(ah, AR_PHY_TURBO, AR_PHY_FC_DYN2040_EN);
755		REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL(ah),
756			    AR_PHY_AGC_CONTROL_FLTR_CAL);
757		REG_CLR_BIT(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_CAL_ENABLE);
758		REG_SET_BIT(ah, AR_PHY_AGC_CONTROL(ah), AR_PHY_AGC_CONTROL_CAL);
759		if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL(ah),
760				  AR_PHY_AGC_CONTROL_CAL, 0, AH_WAIT_TIMEOUT)) {
761			ath_dbg(common, CALIBRATE,
762				"offset calibration failed to complete in %d ms; noisy environment?\n",
763				AH_WAIT_TIMEOUT / 1000);
764			return false;
765		}
766		REG_CLR_BIT(ah, AR_PHY_TURBO, AR_PHY_FC_DYN2040_EN);
767		REG_CLR_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_PARALLEL_CAL_ENABLE);
768		REG_CLR_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE);
769	}
770	REG_CLR_BIT(ah, AR_PHY_ADC_CTL, AR_PHY_ADC_CTL_OFF_PWDADC);
771	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL(ah), AR_PHY_AGC_CONTROL_FLTR_CAL);
772	REG_SET_BIT(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_CAL_ENABLE);
773	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL(ah), AR_PHY_AGC_CONTROL_CAL);
774	if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL(ah), AR_PHY_AGC_CONTROL_CAL,
775			  0, AH_WAIT_TIMEOUT)) {
776		ath_dbg(common, CALIBRATE,
777			"offset calibration failed to complete in %d ms; noisy environment?\n",
778			AH_WAIT_TIMEOUT / 1000);
779		return false;
780	}
781
782	REG_SET_BIT(ah, AR_PHY_ADC_CTL, AR_PHY_ADC_CTL_OFF_PWDADC);
783	REG_CLR_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE);
784	REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL(ah), AR_PHY_AGC_CONTROL_FLTR_CAL);
785
786	return true;
787}
788
789static bool ar9285_hw_clc(struct ath_hw *ah, struct ath9k_channel *chan)
790{
791	int i;
792	u_int32_t txgain_max;
793	u_int32_t clc_gain, gain_mask = 0, clc_num = 0;
794	u_int32_t reg_clc_I0, reg_clc_Q0;
795	u_int32_t i0_num = 0;
796	u_int32_t q0_num = 0;
797	u_int32_t total_num = 0;
798	u_int32_t reg_rf2g5_org;
799	bool retv = true;
800
801	if (!(ar9285_hw_cl_cal(ah, chan)))
802		return false;
803
804	txgain_max = MS(REG_READ(ah, AR_PHY_TX_PWRCTRL7),
805			AR_PHY_TX_PWRCTRL_TX_GAIN_TAB_MAX);
806
807	for (i = 0; i < (txgain_max+1); i++) {
808		clc_gain = (REG_READ(ah, (AR_PHY_TX_GAIN_TBL1+(i<<2))) &
809			   AR_PHY_TX_GAIN_CLC) >> AR_PHY_TX_GAIN_CLC_S;
810		if (!(gain_mask & (1 << clc_gain))) {
811			gain_mask |= (1 << clc_gain);
812			clc_num++;
813		}
814	}
815
816	for (i = 0; i < clc_num; i++) {
817		reg_clc_I0 = (REG_READ(ah, (AR_PHY_CLC_TBL1 + (i << 2)))
818			      & AR_PHY_CLC_I0) >> AR_PHY_CLC_I0_S;
819		reg_clc_Q0 = (REG_READ(ah, (AR_PHY_CLC_TBL1 + (i << 2)))
820			      & AR_PHY_CLC_Q0) >> AR_PHY_CLC_Q0_S;
821		if (reg_clc_I0 == 0)
822			i0_num++;
823
824		if (reg_clc_Q0 == 0)
825			q0_num++;
826	}
827	total_num = i0_num + q0_num;
828	if (total_num > AR9285_CLCAL_REDO_THRESH) {
829		reg_rf2g5_org = REG_READ(ah, AR9285_RF2G5);
830		if (AR_SREV_9285E_20(ah)) {
831			REG_WRITE(ah, AR9285_RF2G5,
832				  (reg_rf2g5_org & AR9285_RF2G5_IC50TX) |
833				  AR9285_RF2G5_IC50TX_XE_SET);
834		} else {
835			REG_WRITE(ah, AR9285_RF2G5,
836				  (reg_rf2g5_org & AR9285_RF2G5_IC50TX) |
837				  AR9285_RF2G5_IC50TX_SET);
838		}
839		retv = ar9285_hw_cl_cal(ah, chan);
840		REG_WRITE(ah, AR9285_RF2G5, reg_rf2g5_org);
841	}
842	return retv;
843}
844
845static bool ar9002_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
846{
847	struct ath_common *common = ath9k_hw_common(ah);
848
849	if (AR_SREV_9271(ah)) {
850		if (!ar9285_hw_cl_cal(ah, chan))
851			return false;
852	} else if (AR_SREV_9285(ah) && AR_SREV_9285_12_OR_LATER(ah)) {
853		if (!ar9285_hw_clc(ah, chan))
854			return false;
855	} else {
856		if (AR_SREV_9280_20_OR_LATER(ah)) {
857			if (!AR_SREV_9287_11_OR_LATER(ah))
858				REG_CLR_BIT(ah, AR_PHY_ADC_CTL,
859					    AR_PHY_ADC_CTL_OFF_PWDADC);
860			REG_SET_BIT(ah, AR_PHY_AGC_CONTROL(ah),
861				    AR_PHY_AGC_CONTROL_FLTR_CAL);
862		}
863
864		/* Calibrate the AGC */
865		REG_WRITE(ah, AR_PHY_AGC_CONTROL(ah),
866			  REG_READ(ah, AR_PHY_AGC_CONTROL(ah)) |
867			  AR_PHY_AGC_CONTROL_CAL);
868
869		/* Poll for offset calibration complete */
870		if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL(ah),
871				   AR_PHY_AGC_CONTROL_CAL,
872				   0, AH_WAIT_TIMEOUT)) {
873			ath_dbg(common, CALIBRATE,
874				"offset calibration failed to complete in %d ms; noisy environment?\n",
875				AH_WAIT_TIMEOUT / 1000);
876			return false;
877		}
878
879		if (AR_SREV_9280_20_OR_LATER(ah)) {
880			if (!AR_SREV_9287_11_OR_LATER(ah))
881				REG_SET_BIT(ah, AR_PHY_ADC_CTL,
882					    AR_PHY_ADC_CTL_OFF_PWDADC);
883			REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL(ah),
884				    AR_PHY_AGC_CONTROL_FLTR_CAL);
885		}
886	}
887
888	/* Do PA Calibration */
889	ar9002_hw_pa_cal(ah, true);
890	ath9k_hw_loadnf(ah, chan);
891	ath9k_hw_start_nfcal(ah, true);
892
893	ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
894
895	/* Enable IQ, ADC Gain and ADC DC offset CALs */
896	if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah)) {
897		ah->supp_cals = IQ_MISMATCH_CAL;
898
899		if (AR_SREV_9160_10_OR_LATER(ah))
900			ah->supp_cals |= ADC_GAIN_CAL | ADC_DC_CAL;
901
902		if (AR_SREV_9287(ah))
903			ah->supp_cals &= ~ADC_GAIN_CAL;
904
905		if (ar9002_hw_is_cal_supported(ah, chan, ADC_GAIN_CAL)) {
906			INIT_CAL(&ah->adcgain_caldata);
907			INSERT_CAL(ah, &ah->adcgain_caldata);
908			ath_dbg(common, CALIBRATE,
909					"enabling ADC Gain Calibration\n");
910		}
911
912		if (ar9002_hw_is_cal_supported(ah, chan, ADC_DC_CAL)) {
913			INIT_CAL(&ah->adcdc_caldata);
914			INSERT_CAL(ah, &ah->adcdc_caldata);
915			ath_dbg(common, CALIBRATE,
916					"enabling ADC DC Calibration\n");
917		}
918
919		if (ar9002_hw_is_cal_supported(ah, chan, IQ_MISMATCH_CAL)) {
920			INIT_CAL(&ah->iq_caldata);
921			INSERT_CAL(ah, &ah->iq_caldata);
922			ath_dbg(common, CALIBRATE, "enabling IQ Calibration\n");
923		}
924
925		ah->cal_list_curr = ah->cal_list;
926
927		if (ah->cal_list_curr)
928			ath9k_hw_reset_calibration(ah, ah->cal_list_curr);
929	}
930
931	if (ah->caldata)
932		ah->caldata->CalValid = 0;
933
934	return true;
935}
936
937static const struct ath9k_percal_data iq_cal_multi_sample = {
938	IQ_MISMATCH_CAL,
939	MAX_CAL_SAMPLES,
940	PER_MIN_LOG_COUNT,
941	ar9002_hw_iqcal_collect,
942	ar9002_hw_iqcalibrate
943};
944static const struct ath9k_percal_data iq_cal_single_sample = {
945	IQ_MISMATCH_CAL,
946	MIN_CAL_SAMPLES,
947	PER_MAX_LOG_COUNT,
948	ar9002_hw_iqcal_collect,
949	ar9002_hw_iqcalibrate
950};
951static const struct ath9k_percal_data adc_gain_cal_multi_sample = {
952	ADC_GAIN_CAL,
953	MAX_CAL_SAMPLES,
954	PER_MIN_LOG_COUNT,
955	ar9002_hw_adc_gaincal_collect,
956	ar9002_hw_adc_gaincal_calibrate
957};
958static const struct ath9k_percal_data adc_gain_cal_single_sample = {
959	ADC_GAIN_CAL,
960	MIN_CAL_SAMPLES,
961	PER_MAX_LOG_COUNT,
962	ar9002_hw_adc_gaincal_collect,
963	ar9002_hw_adc_gaincal_calibrate
964};
965static const struct ath9k_percal_data adc_dc_cal_multi_sample = {
966	ADC_DC_CAL,
967	MAX_CAL_SAMPLES,
968	PER_MIN_LOG_COUNT,
969	ar9002_hw_adc_dccal_collect,
970	ar9002_hw_adc_dccal_calibrate
971};
972static const struct ath9k_percal_data adc_dc_cal_single_sample = {
973	ADC_DC_CAL,
974	MIN_CAL_SAMPLES,
975	PER_MAX_LOG_COUNT,
976	ar9002_hw_adc_dccal_collect,
977	ar9002_hw_adc_dccal_calibrate
978};
979
980static void ar9002_hw_init_cal_settings(struct ath_hw *ah)
981{
982	if (AR_SREV_9100(ah)) {
983		ah->iq_caldata.calData = &iq_cal_multi_sample;
984		ah->supp_cals = IQ_MISMATCH_CAL;
985		return;
986	}
987
988	if (AR_SREV_9160_10_OR_LATER(ah)) {
989		if (AR_SREV_9280_20_OR_LATER(ah)) {
990			ah->iq_caldata.calData = &iq_cal_single_sample;
991			ah->adcgain_caldata.calData =
992				&adc_gain_cal_single_sample;
993			ah->adcdc_caldata.calData =
994				&adc_dc_cal_single_sample;
995		} else {
996			ah->iq_caldata.calData = &iq_cal_multi_sample;
997			ah->adcgain_caldata.calData =
998				&adc_gain_cal_multi_sample;
999			ah->adcdc_caldata.calData =
1000				&adc_dc_cal_multi_sample;
1001		}
1002		ah->supp_cals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
1003
1004		if (AR_SREV_9287(ah))
1005			ah->supp_cals &= ~ADC_GAIN_CAL;
1006	}
1007}
1008
1009void ar9002_hw_attach_calib_ops(struct ath_hw *ah)
1010{
1011	struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
1012	struct ath_hw_ops *ops = ath9k_hw_ops(ah);
1013
1014	priv_ops->init_cal_settings = ar9002_hw_init_cal_settings;
1015	priv_ops->init_cal = ar9002_hw_init_cal;
1016	priv_ops->setup_calibration = ar9002_hw_setup_calibration;
1017
1018	ops->calibrate = ar9002_hw_calibrate;
1019}
1020