mac80211: update to 2010-07-29, add pending patches to fix further issues with calibr...
[openwrt.git] / package / mac80211 / patches / 520-pending_work.patch
1 --- a/net/mac80211/main.c
2 +++ b/net/mac80211/main.c
3 @@ -103,11 +103,13 @@ int ieee80211_hw_config(struct ieee80211
4 int ret = 0;
5 int power;
6 enum nl80211_channel_type channel_type;
7 + u32 offchannel_flag;
8
9 might_sleep();
10
11 scan_chan = local->scan_channel;
12
13 + offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;
14 if (scan_chan) {
15 chan = scan_chan;
16 channel_type = NL80211_CHAN_NO_HT;
17 @@ -121,8 +123,9 @@ int ieee80211_hw_config(struct ieee80211
18 channel_type = local->_oper_channel_type;
19 local->hw.conf.flags &= ~IEEE80211_CONF_OFFCHANNEL;
20 }
21 + offchannel_flag ^= local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;
22
23 - if (chan != local->hw.conf.channel ||
24 + if (offchannel_flag || chan != local->hw.conf.channel ||
25 channel_type != local->hw.conf.channel_type) {
26 local->hw.conf.channel = chan;
27 local->hw.conf.channel_type = channel_type;
28 --- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
29 +++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
30 @@ -63,6 +63,7 @@ static bool ar9002_hw_per_calibration(st
31 u8 rxchainmask,
32 struct ath9k_cal_list *currCal)
33 {
34 + struct ath9k_hw_cal_data *caldata = ah->caldata;
35 bool iscaldone = false;
36
37 if (currCal->calState == CAL_RUNNING) {
38 @@ -81,14 +82,14 @@ static bool ar9002_hw_per_calibration(st
39 }
40
41 currCal->calData->calPostProc(ah, numChains);
42 - ichan->CalValid |= currCal->calData->calType;
43 + caldata->CalValid |= currCal->calData->calType;
44 currCal->calState = CAL_DONE;
45 iscaldone = true;
46 } else {
47 ar9002_hw_setup_calibration(ah, currCal);
48 }
49 }
50 - } else if (!(ichan->CalValid & currCal->calData->calType)) {
51 + } else if (!(caldata->CalValid & currCal->calData->calType)) {
52 ath9k_hw_reset_calibration(ah, currCal);
53 }
54
55 @@ -686,8 +687,13 @@ static bool ar9002_hw_calibrate(struct a
56 {
57 bool iscaldone = true;
58 struct ath9k_cal_list *currCal = ah->cal_list_curr;
59 + bool nfcal, nfcal_pending = false;
60
61 - if (currCal &&
62 + nfcal = !!(REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF);
63 + if (ah->caldata)
64 + nfcal_pending = ah->caldata->nfcal_pending;
65 +
66 + if (currCal && !nfcal &&
67 (currCal->calState == CAL_RUNNING ||
68 currCal->calState == CAL_WAITING)) {
69 iscaldone = ar9002_hw_per_calibration(ah, chan,
70 @@ -703,7 +709,7 @@ static bool ar9002_hw_calibrate(struct a
71 }
72
73 /* Do NF cal only at longer intervals */
74 - if (longcal) {
75 + if (longcal || nfcal_pending) {
76 /* Do periodic PAOffset Cal */
77 ar9002_hw_pa_cal(ah, false);
78 ar9002_hw_olc_temp_compensation(ah);
79 @@ -712,16 +718,18 @@ static bool ar9002_hw_calibrate(struct a
80 * Get the value from the previous NF cal and update
81 * history buffer.
82 */
83 - ath9k_hw_getnf(ah, chan);
84 -
85 - /*
86 - * Load the NF from history buffer of the current channel.
87 - * NF is slow time-variant, so it is OK to use a historical
88 - * value.
89 - */
90 - ath9k_hw_loadnf(ah, ah->curchan);
91 + if (ath9k_hw_getnf(ah, chan)) {
92 + /*
93 + * Load the NF from history buffer of the current
94 + * channel.
95 + * NF is slow time-variant, so it is OK to use a
96 + * historical value.
97 + */
98 + ath9k_hw_loadnf(ah, ah->curchan);
99 + }
100
101 - ath9k_hw_start_nfcal(ah);
102 + if (longcal)
103 + ath9k_hw_start_nfcal(ah, false);
104 }
105
106 return iscaldone;
107 @@ -869,8 +877,10 @@ static bool ar9002_hw_init_cal(struct at
108 ar9002_hw_pa_cal(ah, true);
109
110 /* Do NF Calibration after DC offset and other calibrations */
111 - REG_WRITE(ah, AR_PHY_AGC_CONTROL,
112 - REG_READ(ah, AR_PHY_AGC_CONTROL) | AR_PHY_AGC_CONTROL_NF);
113 + ath9k_hw_start_nfcal(ah, true);
114 +
115 + if (ah->caldata)
116 + ah->caldata->nfcal_pending = true;
117
118 ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
119
120 @@ -901,7 +911,8 @@ static bool ar9002_hw_init_cal(struct at
121 ath9k_hw_reset_calibration(ah, ah->cal_list_curr);
122 }
123
124 - chan->CalValid = 0;
125 + if (ah->caldata)
126 + ah->caldata->CalValid = 0;
127
128 return true;
129 }
130 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
131 +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
132 @@ -68,6 +68,7 @@ static bool ar9003_hw_per_calibration(st
133 u8 rxchainmask,
134 struct ath9k_cal_list *currCal)
135 {
136 + struct ath9k_hw_cal_data *caldata = ah->caldata;
137 /* Cal is assumed not done until explicitly set below */
138 bool iscaldone = false;
139
140 @@ -95,7 +96,7 @@ static bool ar9003_hw_per_calibration(st
141 currCal->calData->calPostProc(ah, numChains);
142
143 /* Calibration has finished. */
144 - ichan->CalValid |= currCal->calData->calType;
145 + caldata->CalValid |= currCal->calData->calType;
146 currCal->calState = CAL_DONE;
147 iscaldone = true;
148 } else {
149 @@ -106,7 +107,7 @@ static bool ar9003_hw_per_calibration(st
150 ar9003_hw_setup_calibration(ah, currCal);
151 }
152 }
153 - } else if (!(ichan->CalValid & currCal->calData->calType)) {
154 + } else if (!(caldata->CalValid & currCal->calData->calType)) {
155 /* If current cal is marked invalid in channel, kick it off */
156 ath9k_hw_reset_calibration(ah, currCal);
157 }
158 @@ -149,6 +150,12 @@ static bool ar9003_hw_calibrate(struct a
159 /* Do NF cal only at longer intervals */
160 if (longcal) {
161 /*
162 + * Get the value from the previous NF cal and update
163 + * history buffer.
164 + */
165 + ath9k_hw_getnf(ah, chan);
166 +
167 + /*
168 * Load the NF from history buffer of the current channel.
169 * NF is slow time-variant, so it is OK to use a historical
170 * value.
171 @@ -156,7 +163,7 @@ static bool ar9003_hw_calibrate(struct a
172 ath9k_hw_loadnf(ah, ah->curchan);
173
174 /* start NF calibration, without updating BB NF register */
175 - ath9k_hw_start_nfcal(ah);
176 + ath9k_hw_start_nfcal(ah, false);
177 }
178
179 return iscaldone;
180 @@ -762,6 +769,8 @@ static bool ar9003_hw_init_cal(struct at
181 /* Revert chainmasks to their original values before NF cal */
182 ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);
183
184 + ath9k_hw_start_nfcal(ah, true);
185 +
186 /* Initialize list pointers */
187 ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
188
189 @@ -785,7 +794,8 @@ static bool ar9003_hw_init_cal(struct at
190 if (ah->cal_list_curr)
191 ath9k_hw_reset_calibration(ah, ah->cal_list_curr);
192
193 - chan->CalValid = 0;
194 + if (ah->caldata)
195 + ah->caldata->CalValid = 0;
196
197 return true;
198 }
199 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
200 +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
201 @@ -542,7 +542,11 @@ static void ar9003_hw_prog_ini(struct at
202 u32 reg = INI_RA(iniArr, i, 0);
203 u32 val = INI_RA(iniArr, i, column);
204
205 - REG_WRITE(ah, reg, val);
206 + if (reg >= 0x16000 && reg < 0x17000)
207 + ath9k_hw_analog_shift_regwrite(ah, reg, val);
208 + else
209 + REG_WRITE(ah, reg, val);
210 +
211 DO_DELAY(regWrites);
212 }
213 }
214 --- a/drivers/net/wireless/ath/ath9k/calib.c
215 +++ b/drivers/net/wireless/ath/ath9k/calib.c
216 @@ -22,23 +22,6 @@
217 /* We can tune this as we go by monitoring really low values */
218 #define ATH9K_NF_TOO_LOW -60
219
220 -/* AR5416 may return very high value (like -31 dBm), in those cases the nf
221 - * is incorrect and we should use the static NF value. Later we can try to
222 - * find out why they are reporting these values */
223 -
224 -static bool ath9k_hw_nf_in_range(struct ath_hw *ah, s16 nf)
225 -{
226 - if (nf > ATH9K_NF_TOO_LOW) {
227 - ath_print(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
228 - "noise floor value detected (%d) is "
229 - "lower than what we think is a "
230 - "reasonable value (%d)\n",
231 - nf, ATH9K_NF_TOO_LOW);
232 - return false;
233 - }
234 - return true;
235 -}
236 -
237 static int16_t ath9k_hw_get_nf_hist_mid(int16_t *nfCalBuffer)
238 {
239 int16_t nfval;
240 @@ -121,6 +104,19 @@ void ath9k_hw_reset_calibration(struct a
241 ah->cal_samples = 0;
242 }
243
244 +static s16 ath9k_hw_get_default_nf(struct ath_hw *ah,
245 + struct ath9k_channel *chan)
246 +{
247 + struct ath_nf_limits *limit;
248 +
249 + if (!chan || IS_CHAN_2GHZ(chan))
250 + limit = &ah->nf_2g;
251 + else
252 + limit = &ah->nf_5g;
253 +
254 + return limit->nominal;
255 +}
256 +
257 /* This is done for the currently configured channel */
258 bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
259 {
260 @@ -128,7 +124,7 @@ bool ath9k_hw_reset_calvalid(struct ath_
261 struct ieee80211_conf *conf = &common->hw->conf;
262 struct ath9k_cal_list *currCal = ah->cal_list_curr;
263
264 - if (!ah->curchan)
265 + if (!ah->caldata)
266 return true;
267
268 if (!AR_SREV_9100(ah) && !AR_SREV_9160_10_OR_LATER(ah))
269 @@ -151,37 +147,55 @@ bool ath9k_hw_reset_calvalid(struct ath_
270 "Resetting Cal %d state for channel %u\n",
271 currCal->calData->calType, conf->channel->center_freq);
272
273 - ah->curchan->CalValid &= ~currCal->calData->calType;
274 + ah->caldata->CalValid &= ~currCal->calData->calType;
275 currCal->calState = CAL_WAITING;
276
277 return false;
278 }
279 EXPORT_SYMBOL(ath9k_hw_reset_calvalid);
280
281 -void ath9k_hw_start_nfcal(struct ath_hw *ah)
282 +void ath9k_hw_start_nfcal(struct ath_hw *ah, bool update)
283 {
284 + if (ah->caldata)
285 + ah->caldata->nfcal_pending = true;
286 +
287 REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
288 AR_PHY_AGC_CONTROL_ENABLE_NF);
289 - REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
290 +
291 + if (update)
292 + REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
293 + AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
294 + else
295 + REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
296 AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
297 +
298 REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
299 }
300
301 void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
302 {
303 - struct ath9k_nfcal_hist *h;
304 + struct ath9k_nfcal_hist *h = NULL;
305 unsigned i, j;
306 int32_t val;
307 u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
308 struct ath_common *common = ath9k_hw_common(ah);
309 + s16 default_nf = ath9k_hw_get_default_nf(ah, chan);
310
311 - h = ah->nfCalHist;
312 + if (ah->caldata)
313 + h = ah->caldata->nfCalHist;
314
315 for (i = 0; i < NUM_NF_READINGS; i++) {
316 if (chainmask & (1 << i)) {
317 + s16 nfval;
318 +
319 + if (h)
320 + nfval = h[i].privNF;
321 + else
322 + nfval = default_nf;
323 +
324 val = REG_READ(ah, ah->nf_regs[i]);
325 val &= 0xFFFFFE00;
326 - val |= (((u32) (h[i].privNF) << 1) & 0x1ff);
327 + val |= (((u32) nfval << 1) & 0x1ff);
328 REG_WRITE(ah, ah->nf_regs[i], val);
329 }
330 }
331 @@ -277,22 +291,25 @@ static void ath9k_hw_nf_sanitize(struct
332 }
333 }
334
335 -int16_t ath9k_hw_getnf(struct ath_hw *ah,
336 - struct ath9k_channel *chan)
337 +bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan)
338 {
339 struct ath_common *common = ath9k_hw_common(ah);
340 int16_t nf, nfThresh;
341 int16_t nfarray[NUM_NF_READINGS] = { 0 };
342 struct ath9k_nfcal_hist *h;
343 struct ieee80211_channel *c = chan->chan;
344 + struct ath9k_hw_cal_data *caldata = ah->caldata;
345 +
346 + if (!caldata)
347 + return false;
348
349 chan->channelFlags &= (~CHANNEL_CW_INT);
350 if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) {
351 ath_print(common, ATH_DBG_CALIBRATE,
352 "NF did not complete in calibration window\n");
353 nf = 0;
354 - chan->rawNoiseFloor = nf;
355 - return chan->rawNoiseFloor;
356 + caldata->rawNoiseFloor = nf;
357 + return false;
358 } else {
359 ath9k_hw_do_getnf(ah, nfarray);
360 ath9k_hw_nf_sanitize(ah, nfarray);
361 @@ -307,47 +324,40 @@ int16_t ath9k_hw_getnf(struct ath_hw *ah
362 }
363 }
364
365 - h = ah->nfCalHist;
366 -
367 + h = caldata->nfCalHist;
368 + caldata->nfcal_pending = false;
369 ath9k_hw_update_nfcal_hist_buffer(h, nfarray);
370 - chan->rawNoiseFloor = h[0].privNF;
371 -
372 - return chan->rawNoiseFloor;
373 + caldata->rawNoiseFloor = h[0].privNF;
374 + return true;
375 }
376
377 -void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah)
378 +void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,
379 + struct ath9k_channel *chan)
380 {
381 - struct ath_nf_limits *limit;
382 + struct ath9k_nfcal_hist *h;
383 + s16 default_nf;
384 int i, j;
385
386 - if (!ah->curchan || IS_CHAN_2GHZ(ah->curchan))
387 - limit = &ah->nf_2g;
388 - else
389 - limit = &ah->nf_5g;
390 + if (!ah->caldata)
391 + return;
392
393 + h = ah->caldata->nfCalHist;
394 + default_nf = ath9k_hw_get_default_nf(ah, chan);
395 for (i = 0; i < NUM_NF_READINGS; i++) {
396 - ah->nfCalHist[i].currIndex = 0;
397 - ah->nfCalHist[i].privNF = limit->nominal;
398 - ah->nfCalHist[i].invalidNFcount =
399 - AR_PHY_CCA_FILTERWINDOW_LENGTH;
400 + h[i].currIndex = 0;
401 + h[i].privNF = default_nf;
402 + h[i].invalidNFcount = AR_PHY_CCA_FILTERWINDOW_LENGTH;
403 for (j = 0; j < ATH9K_NF_CAL_HIST_MAX; j++) {
404 - ah->nfCalHist[i].nfCalBuffer[j] = limit->nominal;
405 + h[i].nfCalBuffer[j] = default_nf;
406 }
407 }
408 }
409
410 s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan)
411 {
412 - s16 nf;
413 -
414 - if (chan->rawNoiseFloor == 0)
415 - nf = -96;
416 - else
417 - nf = chan->rawNoiseFloor;
418 -
419 - if (!ath9k_hw_nf_in_range(ah, nf))
420 - nf = ATH_DEFAULT_NOISE_FLOOR;
421 + if (!ah->caldata || !ah->caldata->rawNoiseFloor)
422 + return ath9k_hw_get_default_nf(ah, chan);
423
424 - return nf;
425 + return ah->caldata->rawNoiseFloor;
426 }
427 EXPORT_SYMBOL(ath9k_hw_getchan_noise);
428 --- a/drivers/net/wireless/ath/ath9k/calib.h
429 +++ b/drivers/net/wireless/ath/ath9k/calib.h
430 @@ -108,11 +108,11 @@ struct ath9k_pacal_info{
431 };
432
433 bool ath9k_hw_reset_calvalid(struct ath_hw *ah);
434 -void ath9k_hw_start_nfcal(struct ath_hw *ah);
435 +void ath9k_hw_start_nfcal(struct ath_hw *ah, bool update);
436 void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan);
437 -int16_t ath9k_hw_getnf(struct ath_hw *ah,
438 - struct ath9k_channel *chan);
439 -void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah);
440 +bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan);
441 +void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,
442 + struct ath9k_channel *chan);
443 s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan);
444 void ath9k_hw_reset_calibration(struct ath_hw *ah,
445 struct ath9k_cal_list *currCal);
446 --- a/drivers/net/wireless/ath/ath9k/hw.c
447 +++ b/drivers/net/wireless/ath/ath9k/hw.c
448 @@ -622,7 +622,6 @@ static int __ath9k_hw_init(struct ath_hw
449 else
450 ah->tx_trig_level = (AR_FTRIG_512B >> AR_FTRIG_S);
451
452 - ath9k_init_nfcal_hist_buffer(ah);
453 ah->bb_watchdog_timeout_ms = 25;
454
455 common->state = ATH_HW_INITIALIZED;
456 @@ -1195,9 +1194,6 @@ static bool ath9k_hw_channel_change(stru
457
458 ath9k_hw_spur_mitigate_freq(ah, chan);
459
460 - if (!chan->oneTimeCalsDone)
461 - chan->oneTimeCalsDone = true;
462 -
463 return true;
464 }
465
466 @@ -1230,7 +1226,7 @@ bool ath9k_hw_check_alive(struct ath_hw
467 EXPORT_SYMBOL(ath9k_hw_check_alive);
468
469 int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
470 - bool bChannelChange)
471 + struct ath9k_hw_cal_data *caldata, bool bChannelChange)
472 {
473 struct ath_common *common = ath9k_hw_common(ah);
474 u32 saveLedState;
475 @@ -1255,9 +1251,19 @@ int ath9k_hw_reset(struct ath_hw *ah, st
476 if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
477 return -EIO;
478
479 - if (curchan && !ah->chip_fullsleep)
480 + if (curchan && !ah->chip_fullsleep && ah->caldata)
481 ath9k_hw_getnf(ah, curchan);
482
483 + ah->caldata = caldata;
484 + if (caldata &&
485 + (chan->channel != caldata->channel ||
486 + (chan->channelFlags & ~CHANNEL_CW_INT) !=
487 + (caldata->channelFlags & ~CHANNEL_CW_INT))) {
488 + /* Operating channel changed, reset channel calibration data */
489 + memset(caldata, 0, sizeof(*caldata));
490 + ath9k_init_nfcal_hist_buffer(ah, chan);
491 + }
492 +
493 if (bChannelChange &&
494 (ah->chip_fullsleep != true) &&
495 (ah->curchan != NULL) &&
496 @@ -1268,7 +1274,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
497
498 if (ath9k_hw_channel_change(ah, chan)) {
499 ath9k_hw_loadnf(ah, ah->curchan);
500 - ath9k_hw_start_nfcal(ah);
501 + ath9k_hw_start_nfcal(ah, true);
502 return 0;
503 }
504 }
505 @@ -1473,11 +1479,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st
506 if (ah->btcoex_hw.enabled)
507 ath9k_hw_btcoex_enable(ah);
508
509 - if (AR_SREV_9300_20_OR_LATER(ah)) {
510 - ath9k_hw_loadnf(ah, curchan);
511 - ath9k_hw_start_nfcal(ah);
512 + if (AR_SREV_9300_20_OR_LATER(ah))
513 ar9003_hw_bb_watchdog_config(ah);
514 - }
515
516 return 0;
517 }
518 --- a/drivers/net/wireless/ath/ath9k/main.c
519 +++ b/drivers/net/wireless/ath/ath9k/main.c
520 @@ -155,6 +155,27 @@ void ath9k_ps_restore(struct ath_softc *
521 spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
522 }
523
524 +static void ath_start_ani(struct ath_common *common)
525 +{
526 + struct ath_hw *ah = common->ah;
527 + unsigned long timestamp = jiffies_to_msecs(jiffies);
528 + struct ath_softc *sc = (struct ath_softc *) common->priv;
529 +
530 + if (!(sc->sc_flags & SC_OP_ANI_RUN))
531 + return;
532 +
533 + if (sc->sc_flags & SC_OP_OFFCHANNEL)
534 + return;
535 +
536 + common->ani.longcal_timer = timestamp;
537 + common->ani.shortcal_timer = timestamp;
538 + common->ani.checkani_timer = timestamp;
539 +
540 + mod_timer(&common->ani.timer,
541 + jiffies +
542 + msecs_to_jiffies((u32)ah->config.ani_poll_interval));
543 +}
544 +
545 /*
546 * Set/change channels. If the channel is really being changed, it's done
547 * by reseting the chip. To accomplish this we must first cleanup any pending
548 @@ -163,16 +184,23 @@ void ath9k_ps_restore(struct ath_softc *
549 int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
550 struct ath9k_channel *hchan)
551 {
552 + struct ath_wiphy *aphy = hw->priv;
553 struct ath_hw *ah = sc->sc_ah;
554 struct ath_common *common = ath9k_hw_common(ah);
555 struct ieee80211_conf *conf = &common->hw->conf;
556 bool fastcc = true, stopped;
557 struct ieee80211_channel *channel = hw->conf.channel;
558 + struct ath9k_hw_cal_data *caldata = NULL;
559 int r;
560
561 if (sc->sc_flags & SC_OP_INVALID)
562 return -EIO;
563
564 + del_timer_sync(&common->ani.timer);
565 + cancel_work_sync(&sc->paprd_work);
566 + cancel_work_sync(&sc->hw_check_work);
567 + cancel_delayed_work_sync(&sc->tx_complete_work);
568 +
569 ath9k_ps_wakeup(sc);
570
571 /*
572 @@ -192,9 +220,12 @@ int ath_set_channel(struct ath_softc *sc
573 * to flush data frames already in queue because of
574 * changing channel. */
575
576 - if (!stopped || (sc->sc_flags & SC_OP_FULL_RESET))
577 + if (!stopped || !(sc->sc_flags & SC_OP_OFFCHANNEL))
578 fastcc = false;
579
580 + if (!(sc->sc_flags & SC_OP_OFFCHANNEL))
581 + caldata = &aphy->caldata;
582 +
583 ath_print(common, ATH_DBG_CONFIG,
584 "(%u MHz) -> (%u MHz), conf_is_ht40: %d\n",
585 sc->sc_ah->curchan->channel,
586 @@ -202,7 +233,7 @@ int ath_set_channel(struct ath_softc *sc
587
588 spin_lock_bh(&sc->sc_resetlock);
589
590 - r = ath9k_hw_reset(ah, hchan, fastcc);
591 + r = ath9k_hw_reset(ah, hchan, caldata, fastcc);
592 if (r) {
593 ath_print(common, ATH_DBG_FATAL,
594 "Unable to reset channel (%u MHz), "
595 @@ -213,8 +244,6 @@ int ath_set_channel(struct ath_softc *sc
596 }
597 spin_unlock_bh(&sc->sc_resetlock);
598
599 - sc->sc_flags &= ~SC_OP_FULL_RESET;
600 -
601 if (ath_startrecv(sc) != 0) {
602 ath_print(common, ATH_DBG_FATAL,
603 "Unable to restart recv logic\n");
604 @@ -226,6 +255,12 @@ int ath_set_channel(struct ath_softc *sc
605 ath_update_txpow(sc);
606 ath9k_hw_set_interrupts(ah, ah->imask);
607
608 + if (!(sc->sc_flags & (SC_OP_OFFCHANNEL | SC_OP_SCANNING))) {
609 + ath_start_ani(common);
610 + ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
611 + ath_beacon_config(sc, NULL);
612 + }
613 +
614 ps_restore:
615 ath9k_ps_restore(sc);
616 return r;
617 @@ -234,17 +269,19 @@ int ath_set_channel(struct ath_softc *sc
618 static void ath_paprd_activate(struct ath_softc *sc)
619 {
620 struct ath_hw *ah = sc->sc_ah;
621 + struct ath9k_hw_cal_data *caldata = ah->caldata;
622 int chain;
623
624 - if (!ah->curchan->paprd_done)
625 + if (!caldata || !caldata->paprd_done)
626 return;
627
628 ath9k_ps_wakeup(sc);
629 + ar9003_paprd_enable(ah, false);
630 for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
631 if (!(ah->caps.tx_chainmask & BIT(chain)))
632 continue;
633
634 - ar9003_paprd_populate_single_table(ah, ah->curchan, chain);
635 + ar9003_paprd_populate_single_table(ah, caldata, chain);
636 }
637
638 ar9003_paprd_enable(ah, true);
639 @@ -262,6 +299,7 @@ void ath_paprd_calibrate(struct work_str
640 int band = hw->conf.channel->band;
641 struct ieee80211_supported_band *sband = &sc->sbands[band];
642 struct ath_tx_control txctl;
643 + struct ath9k_hw_cal_data *caldata = ah->caldata;
644 int qnum, ftype;
645 int chain_ok = 0;
646 int chain;
647 @@ -269,6 +307,9 @@ void ath_paprd_calibrate(struct work_str
648 int time_left;
649 int i;
650
651 + if (!caldata)
652 + return;
653 +
654 skb = alloc_skb(len, GFP_KERNEL);
655 if (!skb)
656 return;
657 @@ -323,7 +364,7 @@ void ath_paprd_calibrate(struct work_str
658 if (!ar9003_paprd_is_done(ah))
659 break;
660
661 - if (ar9003_paprd_create_curve(ah, ah->curchan, chain) != 0)
662 + if (ar9003_paprd_create_curve(ah, caldata, chain) != 0)
663 break;
664
665 chain_ok = 1;
666 @@ -331,7 +372,7 @@ void ath_paprd_calibrate(struct work_str
667 kfree_skb(skb);
668
669 if (chain_ok) {
670 - ah->curchan->paprd_done = true;
671 + caldata->paprd_done = true;
672 ath_paprd_activate(sc);
673 }
674
675 @@ -440,33 +481,14 @@ set_timer:
676 cal_interval = min(cal_interval, (u32)short_cal_interval);
677
678 mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval));
679 - if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) &&
680 - !(sc->sc_flags & SC_OP_SCANNING)) {
681 - if (!sc->sc_ah->curchan->paprd_done)
682 + if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) && ah->caldata) {
683 + if (!ah->caldata->paprd_done)
684 ieee80211_queue_work(sc->hw, &sc->paprd_work);
685 else
686 ath_paprd_activate(sc);
687 }
688 }
689
690 -static void ath_start_ani(struct ath_common *common)
691 -{
692 - struct ath_hw *ah = common->ah;
693 - unsigned long timestamp = jiffies_to_msecs(jiffies);
694 - struct ath_softc *sc = (struct ath_softc *) common->priv;
695 -
696 - if (!(sc->sc_flags & SC_OP_ANI_RUN))
697 - return;
698 -
699 - common->ani.longcal_timer = timestamp;
700 - common->ani.shortcal_timer = timestamp;
701 - common->ani.checkani_timer = timestamp;
702 -
703 - mod_timer(&common->ani.timer,
704 - jiffies +
705 - msecs_to_jiffies((u32)ah->config.ani_poll_interval));
706 -}
707 -
708 /*
709 * Update tx/rx chainmask. For legacy association,
710 * hard code chainmask to 1x1, for 11n association, use
711 @@ -478,7 +500,7 @@ void ath_update_chainmask(struct ath_sof
712 struct ath_hw *ah = sc->sc_ah;
713 struct ath_common *common = ath9k_hw_common(ah);
714
715 - if ((sc->sc_flags & SC_OP_SCANNING) || is_ht ||
716 + if ((sc->sc_flags & SC_OP_OFFCHANNEL) || is_ht ||
717 (ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE)) {
718 common->tx_chainmask = ah->caps.tx_chainmask;
719 common->rx_chainmask = ah->caps.rx_chainmask;
720 @@ -818,7 +840,7 @@ void ath_radio_enable(struct ath_softc *
721 ah->curchan = ath_get_curchannel(sc, sc->hw);
722
723 spin_lock_bh(&sc->sc_resetlock);
724 - r = ath9k_hw_reset(ah, ah->curchan, false);
725 + r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
726 if (r) {
727 ath_print(common, ATH_DBG_FATAL,
728 "Unable to reset channel (%u MHz), "
729 @@ -878,7 +900,7 @@ void ath_radio_disable(struct ath_softc
730 ah->curchan = ath_get_curchannel(sc, hw);
731
732 spin_lock_bh(&sc->sc_resetlock);
733 - r = ath9k_hw_reset(ah, ah->curchan, false);
734 + r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
735 if (r) {
736 ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
737 "Unable to reset channel (%u MHz), "
738 @@ -911,7 +933,7 @@ int ath_reset(struct ath_softc *sc, bool
739 ath_flushrecv(sc);
740
741 spin_lock_bh(&sc->sc_resetlock);
742 - r = ath9k_hw_reset(ah, sc->sc_ah->curchan, false);
743 + r = ath9k_hw_reset(ah, sc->sc_ah->curchan, ah->caldata, false);
744 if (r)
745 ath_print(common, ATH_DBG_FATAL,
746 "Unable to reset hardware; reset status %d\n", r);
747 @@ -1086,7 +1108,7 @@ static int ath9k_start(struct ieee80211_
748 * and then setup of the interrupt mask.
749 */
750 spin_lock_bh(&sc->sc_resetlock);
751 - r = ath9k_hw_reset(ah, init_channel, false);
752 + r = ath9k_hw_reset(ah, init_channel, ah->caldata, false);
753 if (r) {
754 ath_print(common, ATH_DBG_FATAL,
755 "Unable to reset hardware; reset status %d "
756 @@ -1580,6 +1602,10 @@ static int ath9k_config(struct ieee80211
757
758 aphy->chan_idx = pos;
759 aphy->chan_is_ht = conf_is_ht(conf);
760 + if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
761 + sc->sc_flags |= SC_OP_OFFCHANNEL;
762 + else
763 + sc->sc_flags &= ~SC_OP_OFFCHANNEL;
764
765 if (aphy->state == ATH_WIPHY_SCAN ||
766 aphy->state == ATH_WIPHY_ACTIVE)
767 @@ -1991,7 +2017,6 @@ static void ath9k_sw_scan_start(struct i
768 {
769 struct ath_wiphy *aphy = hw->priv;
770 struct ath_softc *sc = aphy->sc;
771 - struct ath_common *common = ath9k_hw_common(sc->sc_ah);
772
773 mutex_lock(&sc->mutex);
774 if (ath9k_wiphy_scanning(sc)) {
775 @@ -2009,10 +2034,6 @@ static void ath9k_sw_scan_start(struct i
776 aphy->state = ATH_WIPHY_SCAN;
777 ath9k_wiphy_pause_all_forced(sc, aphy);
778 sc->sc_flags |= SC_OP_SCANNING;
779 - del_timer_sync(&common->ani.timer);
780 - cancel_work_sync(&sc->paprd_work);
781 - cancel_work_sync(&sc->hw_check_work);
782 - cancel_delayed_work_sync(&sc->tx_complete_work);
783 mutex_unlock(&sc->mutex);
784 }
785
786 @@ -2024,15 +2045,10 @@ static void ath9k_sw_scan_complete(struc
787 {
788 struct ath_wiphy *aphy = hw->priv;
789 struct ath_softc *sc = aphy->sc;
790 - struct ath_common *common = ath9k_hw_common(sc->sc_ah);
791
792 mutex_lock(&sc->mutex);
793 aphy->state = ATH_WIPHY_ACTIVE;
794 sc->sc_flags &= ~SC_OP_SCANNING;
795 - sc->sc_flags |= SC_OP_FULL_RESET;
796 - ath_start_ani(common);
797 - ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
798 - ath_beacon_config(sc, NULL);
799 mutex_unlock(&sc->mutex);
800 }
801
802 --- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
803 +++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
804 @@ -577,10 +577,11 @@ static bool create_pa_curve(u32 *data_L,
805 }
806
807 void ar9003_paprd_populate_single_table(struct ath_hw *ah,
808 - struct ath9k_channel *chan, int chain)
809 + struct ath9k_hw_cal_data *caldata,
810 + int chain)
811 {
812 - u32 *paprd_table_val = chan->pa_table[chain];
813 - u32 small_signal_gain = chan->small_signal_gain[chain];
814 + u32 *paprd_table_val = caldata->pa_table[chain];
815 + u32 small_signal_gain = caldata->small_signal_gain[chain];
816 u32 training_power;
817 u32 reg = 0;
818 int i;
819 @@ -654,17 +655,17 @@ int ar9003_paprd_setup_gain_table(struct
820 }
821 EXPORT_SYMBOL(ar9003_paprd_setup_gain_table);
822
823 -int ar9003_paprd_create_curve(struct ath_hw *ah, struct ath9k_channel *chan,
824 - int chain)
825 +int ar9003_paprd_create_curve(struct ath_hw *ah,
826 + struct ath9k_hw_cal_data *caldata, int chain)
827 {
828 - u16 *small_signal_gain = &chan->small_signal_gain[chain];
829 - u32 *pa_table = chan->pa_table[chain];
830 + u16 *small_signal_gain = &caldata->small_signal_gain[chain];
831 + u32 *pa_table = caldata->pa_table[chain];
832 u32 *data_L, *data_U;
833 int i, status = 0;
834 u32 *buf;
835 u32 reg;
836
837 - memset(chan->pa_table[chain], 0, sizeof(chan->pa_table[chain]));
838 + memset(caldata->pa_table[chain], 0, sizeof(caldata->pa_table[chain]));
839
840 buf = kmalloc(2 * 48 * sizeof(u32), GFP_ATOMIC);
841 if (!buf)
842 --- a/drivers/net/wireless/ath/ath9k/ath9k.h
843 +++ b/drivers/net/wireless/ath/ath9k/ath9k.h
844 @@ -511,7 +511,7 @@ void ath_deinit_leds(struct ath_softc *s
845 #define SC_OP_BEACONS BIT(1)
846 #define SC_OP_RXAGGR BIT(2)
847 #define SC_OP_TXAGGR BIT(3)
848 -#define SC_OP_FULL_RESET BIT(4)
849 +#define SC_OP_OFFCHANNEL BIT(4)
850 #define SC_OP_PREAMBLE_SHORT BIT(5)
851 #define SC_OP_PROTECT_ENABLE BIT(6)
852 #define SC_OP_RXFLUSH BIT(7)
853 @@ -612,6 +612,7 @@ struct ath_softc {
854 struct ath_wiphy {
855 struct ath_softc *sc; /* shared for all virtual wiphys */
856 struct ieee80211_hw *hw;
857 + struct ath9k_hw_cal_data caldata;
858 enum ath_wiphy_state {
859 ATH_WIPHY_INACTIVE,
860 ATH_WIPHY_ACTIVE,
861 --- a/drivers/net/wireless/ath/ath9k/htc.h
862 +++ b/drivers/net/wireless/ath/ath9k/htc.h
863 @@ -353,6 +353,8 @@ struct ath9k_htc_priv {
864 u16 seq_no;
865 u32 bmiss_cnt;
866
867 + struct ath9k_hw_cal_data caldata[38];
868 +
869 spinlock_t beacon_lock;
870
871 bool tx_queues_stop;
872 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
873 +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
874 @@ -125,6 +125,7 @@ static int ath9k_htc_set_channel(struct
875 struct ieee80211_conf *conf = &common->hw->conf;
876 bool fastcc = true;
877 struct ieee80211_channel *channel = hw->conf.channel;
878 + struct ath9k_hw_cal_data *caldata;
879 enum htc_phymode mode;
880 __be16 htc_mode;
881 u8 cmd_rsp;
882 @@ -149,7 +150,8 @@ static int ath9k_htc_set_channel(struct
883 priv->ah->curchan->channel,
884 channel->center_freq, conf_is_ht(conf), conf_is_ht40(conf));
885
886 - ret = ath9k_hw_reset(ah, hchan, fastcc);
887 + caldata = &priv->caldata[channel->hw_value];
888 + ret = ath9k_hw_reset(ah, hchan, caldata, fastcc);
889 if (ret) {
890 ath_print(common, ATH_DBG_FATAL,
891 "Unable to reset channel (%u Mhz) "
892 @@ -1028,7 +1030,7 @@ static void ath9k_htc_radio_enable(struc
893 ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
894
895 /* Reset the HW */
896 - ret = ath9k_hw_reset(ah, ah->curchan, false);
897 + ret = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
898 if (ret) {
899 ath_print(common, ATH_DBG_FATAL,
900 "Unable to reset hardware; reset status %d "
901 @@ -1091,7 +1093,7 @@ static void ath9k_htc_radio_disable(stru
902 ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
903
904 /* Reset the HW */
905 - ret = ath9k_hw_reset(ah, ah->curchan, false);
906 + ret = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
907 if (ret) {
908 ath_print(common, ATH_DBG_FATAL,
909 "Unable to reset hardware; reset status %d "
910 @@ -1179,7 +1181,7 @@ static int ath9k_htc_start(struct ieee80
911 ath9k_hw_configpcipowersave(ah, 0, 0);
912
913 ath9k_hw_htc_resetinit(ah);
914 - ret = ath9k_hw_reset(ah, init_channel, false);
915 + ret = ath9k_hw_reset(ah, init_channel, ah->caldata, false);
916 if (ret) {
917 ath_print(common, ATH_DBG_FATAL,
918 "Unable to reset hardware; reset status %d "
919 --- a/drivers/net/wireless/ath/ath9k/hw.h
920 +++ b/drivers/net/wireless/ath/ath9k/hw.h
921 @@ -346,19 +346,25 @@ enum ath9k_int {
922 CHANNEL_HT40PLUS | \
923 CHANNEL_HT40MINUS)
924
925 -struct ath9k_channel {
926 - struct ieee80211_channel *chan;
927 +struct ath9k_hw_cal_data {
928 u16 channel;
929 u32 channelFlags;
930 - u32 chanmode;
931 int32_t CalValid;
932 - bool oneTimeCalsDone;
933 int8_t iCoff;
934 int8_t qCoff;
935 int16_t rawNoiseFloor;
936 bool paprd_done;
937 + bool nfcal_pending;
938 u16 small_signal_gain[AR9300_MAX_CHAINS];
939 u32 pa_table[AR9300_MAX_CHAINS][PAPRD_TABLE_SZ];
940 + struct ath9k_nfcal_hist nfCalHist[NUM_NF_READINGS];
941 +};
942 +
943 +struct ath9k_channel {
944 + struct ieee80211_channel *chan;
945 + u16 channel;
946 + u32 channelFlags;
947 + u32 chanmode;
948 };
949
950 #define IS_CHAN_G(_c) ((((_c)->channelFlags & (CHANNEL_G)) == CHANNEL_G) || \
951 @@ -669,7 +675,7 @@ struct ath_hw {
952 enum nl80211_iftype opmode;
953 enum ath9k_power_mode power_mode;
954
955 - struct ath9k_nfcal_hist nfCalHist[NUM_NF_READINGS];
956 + struct ath9k_hw_cal_data *caldata;
957 struct ath9k_pacal_info pacal_info;
958 struct ar5416Stats stats;
959 struct ath9k_tx_queue_info txq[ATH9K_NUM_TX_QUEUES];
960 @@ -863,7 +869,7 @@ const char *ath9k_hw_probe(u16 vendorid,
961 void ath9k_hw_deinit(struct ath_hw *ah);
962 int ath9k_hw_init(struct ath_hw *ah);
963 int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
964 - bool bChannelChange);
965 + struct ath9k_hw_cal_data *caldata, bool bChannelChange);
966 int ath9k_hw_fill_cap_info(struct ath_hw *ah);
967 u32 ath9k_regd_get_ctl(struct ath_regulatory *reg, struct ath9k_channel *chan);
968
969 @@ -958,9 +964,10 @@ void ar9003_hw_bb_watchdog_read(struct a
970 void ar9003_hw_bb_watchdog_dbg_info(struct ath_hw *ah);
971 void ar9003_paprd_enable(struct ath_hw *ah, bool val);
972 void ar9003_paprd_populate_single_table(struct ath_hw *ah,
973 - struct ath9k_channel *chan, int chain);
974 -int ar9003_paprd_create_curve(struct ath_hw *ah, struct ath9k_channel *chan,
975 - int chain);
976 + struct ath9k_hw_cal_data *caldata,
977 + int chain);
978 +int ar9003_paprd_create_curve(struct ath_hw *ah,
979 + struct ath9k_hw_cal_data *caldata, int chain);
980 int ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain);
981 int ar9003_paprd_init_table(struct ath_hw *ah);
982 bool ar9003_paprd_is_done(struct ath_hw *ah);
983 --- a/drivers/net/wireless/ath/ath9k/xmit.c
984 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
985 @@ -1181,7 +1181,7 @@ void ath_drain_all_txq(struct ath_softc
986 "Failed to stop TX DMA. Resetting hardware!\n");
987
988 spin_lock_bh(&sc->sc_resetlock);
989 - r = ath9k_hw_reset(ah, sc->sc_ah->curchan, false);
990 + r = ath9k_hw_reset(ah, sc->sc_ah->curchan, ah->caldata, false);
991 if (r)
992 ath_print(common, ATH_DBG_FATAL,
993 "Unable to reset hardware; reset status %d\n",
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