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 
25 enum ar9002_cal_types {
26 	ADC_GAIN_CAL = BIT(0),
27 	ADC_DC_CAL = BIT(1),
28 	IQ_MISMATCH_CAL = BIT(2),
29 };
30 
31 static 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 
50 static 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 
79 static 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 
125 static 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 
144 static 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 
168 static 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 
192 static 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 
269 static 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 
323 static 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 
377 static 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 
407 static 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 
437 static 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 
541 static 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 
645 static 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 
660 static 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 
668 static 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 */
747 static 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 
789 static 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 
845 static 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 
937 static 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 };
944 static 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 };
951 static 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 };
958 static 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 };
965 static 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 };
972 static 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 
980 static 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 
1009 void 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