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17#include "hw.h"
18#include "hw-ops.h"
19#include "ar9002_phy.h"
20
21#define AR9285_CLCAL_REDO_THRESH 1
22
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
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;
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
388
389
390
391 return;
392 } else {
393 slope = ah->eep_ops->get_eeprom(ah, EEP_TEMPSENSE_SLOPE);
394
395 if (slope == 0) {
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
456 REG_CLR_BIT(ah, AR9285_AN_RF2G6, 1 << 0);
457
458 REG_SET_BIT(ah, 0x9808, 1 << 27);
459
460 REG_SET_BIT(ah, AR9285_AN_TOP3, AR9285_AN_TOP3_PWDDAC);
461
462 REG_SET_BIT(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDRXTXBB1);
463
464 REG_SET_BIT(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDV2I);
465
466 REG_SET_BIT(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDDACIF);
467
468 REG_CLR_BIT(ah, AR9285_AN_RF2G2, AR9285_AN_RF2G2_OFFCAL);
469
470 REG_CLR_BIT(ah, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PWDDB);
471
472 REG_CLR_BIT(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_ENPACAL);
473
474 REG_CLR_BIT(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPADRV1);
475
476 REG_CLR_BIT(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPADRV2);
477
478 REG_CLR_BIT(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPAOUT);
479
480 REG_RMW_FIELD(ah, AR9285_AN_RF2G8, AR9285_AN_RF2G8_PADRVGN2TAB0, 7);
481
482
483
484
485 REG_RMW_FIELD(ah, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PADRVGN2TAB0, 0);
486
487 REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9271_AN_RF2G3_CCOMP, 0xfff);
488 REG_RMW_BUFFER_FLUSH(ah);
489
490
491
492
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
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
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
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
529 REG_SET_BIT(ah, AR9285_AN_RF2G6, 1 << 0);
530
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
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)
663 ar9287_hw_olc_temp_compensation(ah);
664 else if (OLC_FOR_AR9280_20_LATER)
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) & AR_PHY_AGC_CONTROL_NF);
676 if (ah->caldata) {
677 nfcal_pending = test_bit(NFCAL_PENDING, &ah->caldata->cal_flags);
678 if (longcal)
679 set_bit(LONGCAL_PENDING, &ah->caldata->cal_flags);
680 else if (test_bit(LONGCAL_PENDING, &ah->caldata->cal_flags))
681 longcal = true;
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
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
708 if (percal_pending && !nfcal && !longcal) {
709 ath9k_hw_reset_calibration(ah, currCal);
710
711 return 0;
712 }
713
714
715 if (longcal || nfcal_pending) {
716
717
718
719
720 if (ath9k_hw_getnf(ah, chan)) {
721
722
723
724
725
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
738 ar9002_hw_pa_cal(ah, false);
739 ar9002_hw_olc_temp_compensation(ah);
740 }
741 }
742
743 return !percal_pending;
744}
745
746
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,
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, AR_PHY_AGC_CONTROL_CAL);
759 if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL,
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, 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, AR_PHY_AGC_CONTROL_CAL);
774 if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL, 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, 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,
861 AR_PHY_AGC_CONTROL_FLTR_CAL);
862 }
863
864
865 REG_WRITE(ah, AR_PHY_AGC_CONTROL,
866 REG_READ(ah, AR_PHY_AGC_CONTROL) |
867 AR_PHY_AGC_CONTROL_CAL);
868
869
870 if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL,
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,
884 AR_PHY_AGC_CONTROL_FLTR_CAL);
885 }
886 }
887
888
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
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
