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1/*
2 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
3 * Copyright (c) 2002-2008 Atheros Communications, Inc.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 *
17 * $FreeBSD: head/sys/dev/ath/ath_hal/ar5416/ar5416_attach.c 222265 2011-05-24 18:25:40Z adrian $
18 */
19#include "opt_ah.h"
20
21#include "ah.h"
22#include "ah_internal.h"
23#include "ah_devid.h"
24
25#include "ah_eeprom_v14.h"
26
27#include "ar5416/ar5416.h"
28#include "ar5416/ar5416reg.h"
29#include "ar5416/ar5416phy.h"
30
31#include "ar5416/ar5416.ini"
32
33static void ar5416ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore);
34static void ar5416WriteIni(struct ath_hal *ah,
35 const struct ieee80211_channel *chan);
36static void ar5416SpurMitigate(struct ath_hal *ah,
37 const struct ieee80211_channel *chan);
38
39static void
40ar5416AniSetup(struct ath_hal *ah)
41{
42 static const struct ar5212AniParams aniparams = {
43 .maxNoiseImmunityLevel = 4, /* levels 0..4 */
44 .totalSizeDesired = { -55, -55, -55, -55, -62 },
45 .coarseHigh = { -14, -14, -14, -14, -12 },
46 .coarseLow = { -64, -64, -64, -64, -70 },
47 .firpwr = { -78, -78, -78, -78, -80 },
48 .maxSpurImmunityLevel = 2,
49 .cycPwrThr1 = { 2, 4, 6 },
50 .maxFirstepLevel = 2, /* levels 0..2 */
51 .firstep = { 0, 4, 8 },
52 .ofdmTrigHigh = 500,
53 .ofdmTrigLow = 200,
54 .cckTrigHigh = 200,
55 .cckTrigLow = 100,
56 .rssiThrHigh = 40,
57 .rssiThrLow = 7,
58 .period = 100,
59 };
60 /* NB: disable ANI noise immmunity for reliable RIFS rx */
61 AH5416(ah)->ah_ani_function &= ~ HAL_ANI_NOISE_IMMUNITY_LEVEL;
62 ar5416AniAttach(ah, &aniparams, &aniparams, AH_TRUE);
63}
64
65/*
66 * AR5416 doesn't do OLC or temperature compensation.
67 */
68static void
69ar5416olcInit(struct ath_hal *ah)
70{
71}
72
73static void
74ar5416olcTempCompensation(struct ath_hal *ah)
75{
76}
77
78/*
79 * Attach for an AR5416 part.
80 */
81void
82ar5416InitState(struct ath_hal_5416 *ahp5416, uint16_t devid, HAL_SOFTC sc,
83 HAL_BUS_TAG st, HAL_BUS_HANDLE sh, HAL_STATUS *status)
84{
85 struct ath_hal_5212 *ahp;
86 struct ath_hal *ah;
87
88 ahp = &ahp5416->ah_5212;
89 ar5212InitState(ahp, devid, sc, st, sh, status);
90 ah = &ahp->ah_priv.h;
91
92 /* override 5212 methods for our needs */
93 ah->ah_magic = AR5416_MAGIC;
94 ah->ah_getRateTable = ar5416GetRateTable;
95 ah->ah_detach = ar5416Detach;
96
97 /* Reset functions */
98 ah->ah_reset = ar5416Reset;
99 ah->ah_phyDisable = ar5416PhyDisable;
100 ah->ah_disable = ar5416Disable;
101 ah->ah_configPCIE = ar5416ConfigPCIE;
102 ah->ah_perCalibration = ar5416PerCalibration;
103 ah->ah_perCalibrationN = ar5416PerCalibrationN,
104 ah->ah_resetCalValid = ar5416ResetCalValid,
105 ah->ah_setTxPowerLimit = ar5416SetTxPowerLimit;
106 ah->ah_setTxPower = ar5416SetTransmitPower;
107 ah->ah_setBoardValues = ar5416SetBoardValues;
108
109 /* Transmit functions */
110 ah->ah_stopTxDma = ar5416StopTxDma;
111 ah->ah_setupTxDesc = ar5416SetupTxDesc;
112 ah->ah_setupXTxDesc = ar5416SetupXTxDesc;
113 ah->ah_fillTxDesc = ar5416FillTxDesc;
114 ah->ah_procTxDesc = ar5416ProcTxDesc;
115 ah->ah_getTxCompletionRates = ar5416GetTxCompletionRates;
116 ah->ah_setupTxQueue = ar5416SetupTxQueue;
117 ah->ah_resetTxQueue = ar5416ResetTxQueue;
118
119 /* Receive Functions */
120 ah->ah_startPcuReceive = ar5416StartPcuReceive;
121 ah->ah_stopPcuReceive = ar5416StopPcuReceive;
122 ah->ah_setupRxDesc = ar5416SetupRxDesc;
123 ah->ah_procRxDesc = ar5416ProcRxDesc;
124 ah->ah_rxMonitor = ar5416RxMonitor;
125 ah->ah_aniPoll = ar5416AniPoll;
126 ah->ah_procMibEvent = ar5416ProcessMibIntr;
127
128 /* Misc Functions */
129 ah->ah_getCapability = ar5416GetCapability;
130 ah->ah_getDiagState = ar5416GetDiagState;
131 ah->ah_setLedState = ar5416SetLedState;
132 ah->ah_gpioCfgOutput = ar5416GpioCfgOutput;
133 ah->ah_gpioCfgInput = ar5416GpioCfgInput;
134 ah->ah_gpioGet = ar5416GpioGet;
135 ah->ah_gpioSet = ar5416GpioSet;
136 ah->ah_gpioSetIntr = ar5416GpioSetIntr;
137 ah->ah_resetTsf = ar5416ResetTsf;
138 ah->ah_getRfGain = ar5416GetRfgain;
139 ah->ah_setAntennaSwitch = ar5416SetAntennaSwitch;
140 ah->ah_setDecompMask = ar5416SetDecompMask;
141 ah->ah_setCoverageClass = ar5416SetCoverageClass;
142
143 ah->ah_resetKeyCacheEntry = ar5416ResetKeyCacheEntry;
144 ah->ah_setKeyCacheEntry = ar5416SetKeyCacheEntry;
145
146 /* Power Management Functions */
147 ah->ah_setPowerMode = ar5416SetPowerMode;
148
149 /* Beacon Management Functions */
150 ah->ah_setBeaconTimers = ar5416SetBeaconTimers;
151 ah->ah_beaconInit = ar5416BeaconInit;
152 ah->ah_setStationBeaconTimers = ar5416SetStaBeaconTimers;
153 ah->ah_resetStationBeaconTimers = ar5416ResetStaBeaconTimers;
154
155 /* 802.11n Functions */
156 ah->ah_chainTxDesc = ar5416ChainTxDesc;
157 ah->ah_setupFirstTxDesc = ar5416SetupFirstTxDesc;
158 ah->ah_setupLastTxDesc = ar5416SetupLastTxDesc;
159 ah->ah_set11nRateScenario = ar5416Set11nRateScenario;
160 ah->ah_set11nAggrMiddle = ar5416Set11nAggrMiddle;
161 ah->ah_clr11nAggr = ar5416Clr11nAggr;
162 ah->ah_set11nBurstDuration = ar5416Set11nBurstDuration;
163 ah->ah_get11nExtBusy = ar5416Get11nExtBusy;
164 ah->ah_set11nMac2040 = ar5416Set11nMac2040;
165 ah->ah_get11nRxClear = ar5416Get11nRxClear;
166 ah->ah_set11nRxClear = ar5416Set11nRxClear;
167
168 /* Interrupt functions */
169 ah->ah_isInterruptPending = ar5416IsInterruptPending;
170 ah->ah_getPendingInterrupts = ar5416GetPendingInterrupts;
171 ah->ah_setInterrupts = ar5416SetInterrupts;
172
173 ahp->ah_priv.ah_getWirelessModes= ar5416GetWirelessModes;
174 ahp->ah_priv.ah_eepromRead = ar5416EepromRead;
175#ifdef AH_SUPPORT_WRITE_EEPROM
176 ahp->ah_priv.ah_eepromWrite = ar5416EepromWrite;
177#endif
178 ahp->ah_priv.ah_getChipPowerLimits = ar5416GetChipPowerLimits;
179
180 /* Internal ops */
181 AH5416(ah)->ah_writeIni = ar5416WriteIni;
182 AH5416(ah)->ah_spurMitigate = ar5416SpurMitigate;
183
184 /* Internal baseband ops */
185 AH5416(ah)->ah_initPLL = ar5416InitPLL;
186
187 /* Internal calibration ops */
188 AH5416(ah)->ah_cal_initcal = ar5416InitCalHardware;
189
190 /* Internal TX power control related operations */
191 AH5416(ah)->ah_olcInit = ar5416olcInit;
192 AH5416(ah)->ah_olcTempCompensation = ar5416olcTempCompensation;
193 AH5416(ah)->ah_setPowerCalTable = ar5416SetPowerCalTable;
194
195 /*
196 * Start by setting all Owl devices to 2x2
197 */
198 AH5416(ah)->ah_rx_chainmask = AR5416_DEFAULT_RXCHAINMASK;
199 AH5416(ah)->ah_tx_chainmask = AR5416_DEFAULT_TXCHAINMASK;
200
201 /* Enable all ANI functions to begin with */
202 AH5416(ah)->ah_ani_function = HAL_ANI_ALL;
203
204 /* Set overridable ANI methods */
205 AH5212(ah)->ah_aniControl = ar5416AniControl;
206}
207
208uint32_t
209ar5416GetRadioRev(struct ath_hal *ah)
210{
211 uint32_t val;
212 int i;
213
214 /* Read Radio Chip Rev Extract */
215 OS_REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
216 for (i = 0; i < 8; i++)
217 OS_REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
218 val = (OS_REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
219 val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
220 return ath_hal_reverseBits(val, 8);
221}
222
223/*
224 * Attach for an AR5416 part.
225 */
226static struct ath_hal *
227ar5416Attach(uint16_t devid, HAL_SOFTC sc,
228 HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
229 HAL_STATUS *status)
230{
231 struct ath_hal_5416 *ahp5416;
232 struct ath_hal_5212 *ahp;
233 struct ath_hal *ah;
234 uint32_t val;
235 HAL_STATUS ecode;
236 HAL_BOOL rfStatus;
237
238 HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
239 __func__, sc, (void*) st, (void*) sh);
240
241 /* NB: memory is returned zero'd */
242 ahp5416 = ath_hal_malloc(sizeof (struct ath_hal_5416) +
243 /* extra space for Owl 2.1/2.2 WAR */
244 sizeof(ar5416Addac)
245 );
246 if (ahp5416 == AH_NULL) {
247 HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
248 "%s: cannot allocate memory for state block\n", __func__);
249 *status = HAL_ENOMEM;
250 return AH_NULL;
251 }
252 ar5416InitState(ahp5416, devid, sc, st, sh, status);
253 ahp = &ahp5416->ah_5212;
254 ah = &ahp->ah_priv.h;
255
256 if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
257 /* reset chip */
258 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n", __func__);
259 ecode = HAL_EIO;
260 goto bad;
261 }
262
263 if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
264 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n", __func__);
265 ecode = HAL_EIO;
266 goto bad;
267 }
268 /* Read Revisions from Chips before taking out of reset */
269 val = OS_REG_READ(ah, AR_SREV) & AR_SREV_ID;
270 AH_PRIVATE(ah)->ah_macVersion = val >> AR_SREV_ID_S;
271 AH_PRIVATE(ah)->ah_macRev = val & AR_SREV_REVISION;
272 AH_PRIVATE(ah)->ah_ispcie = (devid == AR5416_DEVID_PCIE);
273
274 /* setup common ini data; rf backends handle remainder */
275 HAL_INI_INIT(&ahp->ah_ini_modes, ar5416Modes, 6);
276 HAL_INI_INIT(&ahp->ah_ini_common, ar5416Common, 2);
277
278 HAL_INI_INIT(&AH5416(ah)->ah_ini_bb_rfgain, ar5416BB_RfGain, 3);
279 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank0, ar5416Bank0, 2);
280 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank1, ar5416Bank1, 2);
281 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank2, ar5416Bank2, 2);
282 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank3, ar5416Bank3, 3);
283 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank6, ar5416Bank6, 3);
284 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank7, ar5416Bank7, 2);
285 HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar5416Addac, 2);
286
287 if (! IS_5416V2_2(ah)) { /* Owl 2.1/2.0 */
288 ath_hal_printf(ah, "[ath] Enabling CLKDRV workaround for AR5416 < v2.2\n");
289 struct ini {
290 uint32_t *data; /* NB: !const */
291 int rows, cols;
292 };
293 /* override CLKDRV value */
294 OS_MEMCPY(&AH5416(ah)[1], ar5416Addac, sizeof(ar5416Addac));
295 AH5416(ah)->ah_ini_addac.data = (uint32_t *) &AH5416(ah)[1];
296 HAL_INI_VAL((struct ini *)&AH5416(ah)->ah_ini_addac, 31, 1) = 0;
297 }
298
299 HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes, ar5416PciePhy, 2);
300 ar5416AttachPCIE(ah);
301
302 ecode = ath_hal_v14EepromAttach(ah);
303 if (ecode != HAL_OK)
304 goto bad;
305
306 if (!ar5416ChipReset(ah, AH_NULL)) { /* reset chip */
307 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n",
308 __func__);
309 ecode = HAL_EIO;
310 goto bad;
311 }
312
313 AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
314
315 if (!ar5212ChipTest(ah)) {
316 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
317 __func__);
318 ecode = HAL_ESELFTEST;
319 goto bad;
320 }
321
322 /*
323 * Set correct Baseband to analog shift
324 * setting to access analog chips.
325 */
326 OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
327
328 /* Read Radio Chip Rev Extract */
329 AH_PRIVATE(ah)->ah_analog5GhzRev = ar5212GetRadioRev(ah);
330 switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
331 case AR_RAD5122_SREV_MAJOR: /* Fowl: 5G/2x2 */
332 case AR_RAD2122_SREV_MAJOR: /* Fowl: 2+5G/2x2 */
333 case AR_RAD2133_SREV_MAJOR: /* Fowl: 2G/3x3 */
334 case AR_RAD5133_SREV_MAJOR: /* Fowl: 2+5G/3x3 */
335 break;
336 default:
337 if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
338 /*
339 * When RF_Silen is used the analog chip is reset.
340 * So when the system boots with radio switch off
341 * the RF chip rev reads back as zero and we need
342 * to use the mac+phy revs to set the radio rev.
343 */
344 AH_PRIVATE(ah)->ah_analog5GhzRev =
345 AR_RAD5133_SREV_MAJOR;
346 break;
347 }
348 /* NB: silently accept anything in release code per Atheros */
349#ifdef AH_DEBUG
350 HALDEBUG(ah, HAL_DEBUG_ANY,
351 "%s: 5G Radio Chip Rev 0x%02X is not supported by "
352 "this driver\n", __func__,
353 AH_PRIVATE(ah)->ah_analog5GhzRev);
354 ecode = HAL_ENOTSUPP;
355 goto bad;
356#endif
357 }
358
359 /*
360 * Got everything we need now to setup the capabilities.
361 */
362 if (!ar5416FillCapabilityInfo(ah)) {
363 ecode = HAL_EEREAD;
364 goto bad;
365 }
366
367 ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
368 if (ecode != HAL_OK) {
369 HALDEBUG(ah, HAL_DEBUG_ANY,
370 "%s: error getting mac address from EEPROM\n", __func__);
371 goto bad;
372 }
373 /* XXX How about the serial number ? */
374 /* Read Reg Domain */
375 AH_PRIVATE(ah)->ah_currentRD =
376 ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
377 AH_PRIVATE(ah)->ah_currentRDext =
378 ath_hal_eepromGet(ah, AR_EEP_REGDMN_1, AH_NULL);
379
380 /*
381 * ah_miscMode is populated by ar5416FillCapabilityInfo()
382 * starting from griffin. Set here to make sure that
383 * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
384 * placed into hardware.
385 */
386 if (ahp->ah_miscMode != 0)
387 OS_REG_WRITE(ah, AR_MISC_MODE, OS_REG_READ(ah, AR_MISC_MODE) | ahp->ah_miscMode);
388
389 rfStatus = ar2133RfAttach(ah, &ecode);
390 if (!rfStatus) {
391 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
392 __func__, ecode);
393 goto bad;
394 }
395
396 ar5416AniSetup(ah); /* Anti Noise Immunity */
397
398 AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ;
399 AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ;
400 AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_5416_2GHZ;
401 AH5416(ah)->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ;
402 AH5416(ah)->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ;
403 AH5416(ah)->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_5416_5GHZ;
404
405 ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
406
407 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
408
409 return ah;
410bad:
411 if (ahp)
412 ar5416Detach((struct ath_hal *) ahp);
413 if (status)
414 *status = ecode;
415 return AH_NULL;
416}
417
418void
419ar5416Detach(struct ath_hal *ah)
420{
421 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s:\n", __func__);
422
423 HALASSERT(ah != AH_NULL);
424 HALASSERT(ah->ah_magic == AR5416_MAGIC);
425
426 /* Make sure that chip is awake before writing to it */
427 if (! ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE))
428 HALDEBUG(ah, HAL_DEBUG_UNMASKABLE,
429 "%s: failed to wake up chip\n",
430 __func__);
431
432 ar5416AniDetach(ah);
433 ar5212RfDetach(ah);
434 ah->ah_disable(ah);
435 ar5416SetPowerMode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
436 ath_hal_eepromDetach(ah);
437 ath_hal_free(ah);
438}
439
440void
441ar5416AttachPCIE(struct ath_hal *ah)
442{
443 if (AH_PRIVATE(ah)->ah_ispcie)
444 ath_hal_configPCIE(ah, AH_FALSE);
445 else
446 ath_hal_disablePCIE(ah);
447}
448
449static void
450ar5416ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore)
451{
452 if (AH_PRIVATE(ah)->ah_ispcie && !restore) {
453 ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0);
454 OS_DELAY(1000);
455 OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
456 OS_REG_WRITE(ah, AR_WA, AR_WA_DEFAULT);
457 }
458}
459
460static void
461ar5416WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan)
462{
463 u_int modesIndex, freqIndex;
464 int regWrites = 0;
465
466 /* Setup the indices for the next set of register array writes */
467 /* XXX Ignore 11n dynamic mode on the AR5416 for the moment */
468 if (IEEE80211_IS_CHAN_2GHZ(chan)) {
469 freqIndex = 2;
470 if (IEEE80211_IS_CHAN_HT40(chan))
471 modesIndex = 3;
472 else if (IEEE80211_IS_CHAN_108G(chan))
473 modesIndex = 5;
474 else
475 modesIndex = 4;
476 } else {
477 freqIndex = 1;
478 if (IEEE80211_IS_CHAN_HT40(chan) ||
479 IEEE80211_IS_CHAN_TURBO(chan))
480 modesIndex = 2;
481 else
482 modesIndex = 1;
483 }
484
485 /* Set correct Baseband to analog shift setting to access analog chips. */
486 OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
487
488 /*
489 * Write addac shifts
490 */
491 OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
492
493 /* NB: only required for Sowl */
494 if (AR_SREV_SOWL(ah))
495 ar5416EepromSetAddac(ah, chan);
496
497 regWrites = ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_addac, 1,
498 regWrites);
499 OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
500
501 regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes,
502 modesIndex, regWrites);
503 regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common,
504 1, regWrites);
505
506 /* XXX updated regWrites? */
507 AH5212(ah)->ah_rfHal->writeRegs(ah, modesIndex, freqIndex, regWrites);
508}
509
510/*
511 * Convert to baseband spur frequency given input channel frequency
512 * and compute register settings below.
513 */
514
515static void
516ar5416SpurMitigate(struct ath_hal *ah, const struct ieee80211_channel *chan)
517{
518 uint16_t freq = ath_hal_gethwchannel(ah, chan);
519 static const int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
520 AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60 };
521 static const int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
522 AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60 };
523 static const int inc[4] = { 0, 100, 0, 0 };
524
525 int bb_spur = AR_NO_SPUR;
526 int bin, cur_bin;
527 int spur_freq_sd;
528 int spur_delta_phase;
529 int denominator;
530 int upper, lower, cur_vit_mask;
531 int tmp, new;
532 int i;
533
534 int8_t mask_m[123];
535 int8_t mask_p[123];
536 int8_t mask_amt;
537 int tmp_mask;
538 int cur_bb_spur;
539 HAL_BOOL is2GHz = IEEE80211_IS_CHAN_2GHZ(chan);
540
541 OS_MEMZERO(mask_m, sizeof(mask_m));
542 OS_MEMZERO(mask_p, sizeof(mask_p));
543
544 /*
545 * Need to verify range +/- 9.5 for static ht20, otherwise spur
546 * is out-of-band and can be ignored.
547 */
548 /* XXX ath9k changes */
549 for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) {
550 cur_bb_spur = ath_hal_getSpurChan(ah, i, is2GHz);
551 if (AR_NO_SPUR == cur_bb_spur)
552 break;
553 cur_bb_spur = cur_bb_spur - (freq * 10);
554 if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
555 bb_spur = cur_bb_spur;
556 break;
557 }
558 }
559 if (AR_NO_SPUR == bb_spur)
560 return;
561
562 bin = bb_spur * 32;
563
564 tmp = OS_REG_READ(ah, AR_PHY_TIMING_CTRL4_CHAIN(0));
565 new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
566 AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
567 AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
568 AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
569
570 OS_REG_WRITE(ah, AR_PHY_TIMING_CTRL4_CHAIN(0), new);
571
572 new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
573 AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
574 AR_PHY_SPUR_REG_MASK_RATE_SELECT |
575 AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
576 SM(AR5416_SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
577 OS_REG_WRITE(ah, AR_PHY_SPUR_REG, new);
578 /*
579 * Should offset bb_spur by +/- 10 MHz for dynamic 2040 MHz
580 * config, no offset for HT20.
581 * spur_delta_phase = bb_spur/40 * 2**21 for static ht20,
582 * /80 for dyn2040.
583 */
584 spur_delta_phase = ((bb_spur * 524288) / 100) &
585 AR_PHY_TIMING11_SPUR_DELTA_PHASE;
586 /*
587 * in 11A mode the denominator of spur_freq_sd should be 40 and
588 * it should be 44 in 11G
589 */
590 denominator = IEEE80211_IS_CHAN_2GHZ(chan) ? 440 : 400;
591 spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
592
593 new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
594 SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
595 SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
596 OS_REG_WRITE(ah, AR_PHY_TIMING11, new);
597
598
599 /*
600 * ============================================
601 * pilot mask 1 [31:0] = +6..-26, no 0 bin
602 * pilot mask 2 [19:0] = +26..+7
603 *
604 * channel mask 1 [31:0] = +6..-26, no 0 bin
605 * channel mask 2 [19:0] = +26..+7
606 */
607 //cur_bin = -26;
608 cur_bin = -6000;
609 upper = bin + 100;
610 lower = bin - 100;
611
612 for (i = 0; i < 4; i++) {
613 int pilot_mask = 0;
614 int chan_mask = 0;
615 int bp = 0;
616 for (bp = 0; bp < 30; bp++) {
617 if ((cur_bin > lower) && (cur_bin < upper)) {
618 pilot_mask = pilot_mask | 0x1 << bp;
619 chan_mask = chan_mask | 0x1 << bp;
620 }
621 cur_bin += 100;
622 }
623 cur_bin += inc[i];
624 OS_REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
625 OS_REG_WRITE(ah, chan_mask_reg[i], chan_mask);
626 }
627
628 /* =================================================
629 * viterbi mask 1 based on channel magnitude
630 * four levels 0-3
631 * - mask (-27 to 27) (reg 64,0x9900 to 67,0x990c)
632 * [1 2 2 1] for -9.6 or [1 2 1] for +16
633 * - enable_mask_ppm, all bins move with freq
634 *
635 * - mask_select, 8 bits for rates (reg 67,0x990c)
636 * - mask_rate_cntl, 8 bits for rates (reg 67,0x990c)
637 * choose which mask to use mask or mask2
638 */
639
640 /*
641 * viterbi mask 2 2nd set for per data rate puncturing
642 * four levels 0-3
643 * - mask_select, 8 bits for rates (reg 67)
644 * - mask (-27 to 27) (reg 98,0x9988 to 101,0x9994)
645 * [1 2 2 1] for -9.6 or [1 2 1] for +16
646 */
647 cur_vit_mask = 6100;
648 upper = bin + 120;
649 lower = bin - 120;
650
651 for (i = 0; i < 123; i++) {
652 if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
653 if ((abs(cur_vit_mask - bin)) < 75) {
654 mask_amt = 1;
655 } else {
656 mask_amt = 0;
657 }
658 if (cur_vit_mask < 0) {
659 mask_m[abs(cur_vit_mask / 100)] = mask_amt;
660 } else {
661 mask_p[cur_vit_mask / 100] = mask_amt;
662 }
663 }
664 cur_vit_mask -= 100;
665 }
666
667 tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
668 | (mask_m[48] << 26) | (mask_m[49] << 24)
669 | (mask_m[50] << 22) | (mask_m[51] << 20)
670 | (mask_m[52] << 18) | (mask_m[53] << 16)
671 | (mask_m[54] << 14) | (mask_m[55] << 12)
672 | (mask_m[56] << 10) | (mask_m[57] << 8)
673 | (mask_m[58] << 6) | (mask_m[59] << 4)
674 | (mask_m[60] << 2) | (mask_m[61] << 0);
675 OS_REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
676 OS_REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
677
678 tmp_mask = (mask_m[31] << 28)
679 | (mask_m[32] << 26) | (mask_m[33] << 24)
680 | (mask_m[34] << 22) | (mask_m[35] << 20)
681 | (mask_m[36] << 18) | (mask_m[37] << 16)
682 | (mask_m[48] << 14) | (mask_m[39] << 12)
683 | (mask_m[40] << 10) | (mask_m[41] << 8)
684 | (mask_m[42] << 6) | (mask_m[43] << 4)
685 | (mask_m[44] << 2) | (mask_m[45] << 0);
686 OS_REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
687 OS_REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
688
689 tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
690 | (mask_m[18] << 26) | (mask_m[18] << 24)
691 | (mask_m[20] << 22) | (mask_m[20] << 20)
692 | (mask_m[22] << 18) | (mask_m[22] << 16)
693 | (mask_m[24] << 14) | (mask_m[24] << 12)
694 | (mask_m[25] << 10) | (mask_m[26] << 8)
695 | (mask_m[27] << 6) | (mask_m[28] << 4)
696 | (mask_m[29] << 2) | (mask_m[30] << 0);
697 OS_REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
698 OS_REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
699
700 tmp_mask = (mask_m[ 0] << 30) | (mask_m[ 1] << 28)
701 | (mask_m[ 2] << 26) | (mask_m[ 3] << 24)
702 | (mask_m[ 4] << 22) | (mask_m[ 5] << 20)
703 | (mask_m[ 6] << 18) | (mask_m[ 7] << 16)
704 | (mask_m[ 8] << 14) | (mask_m[ 9] << 12)
705 | (mask_m[10] << 10) | (mask_m[11] << 8)
706 | (mask_m[12] << 6) | (mask_m[13] << 4)
707 | (mask_m[14] << 2) | (mask_m[15] << 0);
708 OS_REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
709 OS_REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
710
711 tmp_mask = (mask_p[15] << 28)
712 | (mask_p[14] << 26) | (mask_p[13] << 24)
713 | (mask_p[12] << 22) | (mask_p[11] << 20)
714 | (mask_p[10] << 18) | (mask_p[ 9] << 16)
715 | (mask_p[ 8] << 14) | (mask_p[ 7] << 12)
716 | (mask_p[ 6] << 10) | (mask_p[ 5] << 8)
717 | (mask_p[ 4] << 6) | (mask_p[ 3] << 4)
718 | (mask_p[ 2] << 2) | (mask_p[ 1] << 0);
719 OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
720 OS_REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
721
722 tmp_mask = (mask_p[30] << 28)
723 | (mask_p[29] << 26) | (mask_p[28] << 24)
724 | (mask_p[27] << 22) | (mask_p[26] << 20)
725 | (mask_p[25] << 18) | (mask_p[24] << 16)
726 | (mask_p[23] << 14) | (mask_p[22] << 12)
727 | (mask_p[21] << 10) | (mask_p[20] << 8)
728 | (mask_p[19] << 6) | (mask_p[18] << 4)
729 | (mask_p[17] << 2) | (mask_p[16] << 0);
730 OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
731 OS_REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
732
733 tmp_mask = (mask_p[45] << 28)
734 | (mask_p[44] << 26) | (mask_p[43] << 24)
735 | (mask_p[42] << 22) | (mask_p[41] << 20)
736 | (mask_p[40] << 18) | (mask_p[39] << 16)
737 | (mask_p[38] << 14) | (mask_p[37] << 12)
738 | (mask_p[36] << 10) | (mask_p[35] << 8)
739 | (mask_p[34] << 6) | (mask_p[33] << 4)
740 | (mask_p[32] << 2) | (mask_p[31] << 0);
741 OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
742 OS_REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
743
744 tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
745 | (mask_p[59] << 26) | (mask_p[58] << 24)
746 | (mask_p[57] << 22) | (mask_p[56] << 20)
747 | (mask_p[55] << 18) | (mask_p[54] << 16)
748 | (mask_p[53] << 14) | (mask_p[52] << 12)
749 | (mask_p[51] << 10) | (mask_p[50] << 8)
750 | (mask_p[49] << 6) | (mask_p[48] << 4)
751 | (mask_p[47] << 2) | (mask_p[46] << 0);
752 OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
753 OS_REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
754}
755
756/*
757 * Fill all software cached or static hardware state information.
758 * Return failure if capabilities are to come from EEPROM and
759 * cannot be read.
760 */
761HAL_BOOL
762ar5416FillCapabilityInfo(struct ath_hal *ah)
763{
764 struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
765 HAL_CAPABILITIES *pCap = &ahpriv->ah_caps;
766 uint16_t val;
767
768 /* Construct wireless mode from EEPROM */
769 pCap->halWirelessModes = 0;
770 if (ath_hal_eepromGetFlag(ah, AR_EEP_AMODE)) {
771 pCap->halWirelessModes |= HAL_MODE_11A
772 | HAL_MODE_11NA_HT20
773 | HAL_MODE_11NA_HT40PLUS
774 | HAL_MODE_11NA_HT40MINUS
775 ;
776 }
777 if (ath_hal_eepromGetFlag(ah, AR_EEP_GMODE)) {
778 pCap->halWirelessModes |= HAL_MODE_11G
779 | HAL_MODE_11NG_HT20
780 | HAL_MODE_11NG_HT40PLUS
781 | HAL_MODE_11NG_HT40MINUS
782 ;
783 pCap->halWirelessModes |= HAL_MODE_11A
784 | HAL_MODE_11NA_HT20
785 | HAL_MODE_11NA_HT40PLUS
786 | HAL_MODE_11NA_HT40MINUS
787 ;
788 }
789
790 pCap->halLow2GhzChan = 2312;
791 pCap->halHigh2GhzChan = 2732;
792
793 pCap->halLow5GhzChan = 4915;
794 pCap->halHigh5GhzChan = 6100;
795
796 pCap->halCipherCkipSupport = AH_FALSE;
797 pCap->halCipherTkipSupport = AH_TRUE;
798 pCap->halCipherAesCcmSupport = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
799
800 pCap->halMicCkipSupport = AH_FALSE;
801 pCap->halMicTkipSupport = AH_TRUE;
802 pCap->halMicAesCcmSupport = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
803 /*
804 * Starting with Griffin TX+RX mic keys can be combined
805 * in one key cache slot.
806 */
807 pCap->halTkipMicTxRxKeySupport = AH_TRUE;
808 pCap->halChanSpreadSupport = AH_TRUE;
809 pCap->halSleepAfterBeaconBroken = AH_TRUE;
810
811 pCap->halCompressSupport = AH_FALSE;
812 pCap->halBurstSupport = AH_TRUE;
813 pCap->halFastFramesSupport = AH_FALSE; /* XXX? */
814 pCap->halChapTuningSupport = AH_TRUE;
815 pCap->halTurboPrimeSupport = AH_TRUE;
816
817 pCap->halTurboGSupport = pCap->halWirelessModes & HAL_MODE_108G;
818
819 pCap->halPSPollBroken = AH_TRUE; /* XXX fixed in later revs? */
820 pCap->halVEOLSupport = AH_TRUE;
821 pCap->halBssIdMaskSupport = AH_TRUE;
822 pCap->halMcastKeySrchSupport = AH_TRUE; /* Works on AR5416 and later */
823 pCap->halTsfAddSupport = AH_TRUE;
824 pCap->hal4AddrAggrSupport = AH_FALSE; /* Broken in Owl */
825
826 if (ath_hal_eepromGet(ah, AR_EEP_MAXQCU, &val) == HAL_OK)
827 pCap->halTotalQueues = val;
828 else
829 pCap->halTotalQueues = HAL_NUM_TX_QUEUES;
830
831 if (ath_hal_eepromGet(ah, AR_EEP_KCENTRIES, &val) == HAL_OK)
832 pCap->halKeyCacheSize = val;
833 else
834 pCap->halKeyCacheSize = AR5416_KEYTABLE_SIZE;
835
836 /* XXX not needed */
837 pCap->halChanHalfRate = AH_FALSE; /* XXX ? */
838 pCap->halChanQuarterRate = AH_FALSE; /* XXX ? */
839
840 pCap->halTstampPrecision = 32;
841 pCap->halHwPhyCounterSupport = AH_TRUE;
842 pCap->halIntrMask = HAL_INT_COMMON
843 | HAL_INT_RX
844 | HAL_INT_TX
845 | HAL_INT_FATAL
846 | HAL_INT_BNR
847 | HAL_INT_BMISC
848 | HAL_INT_DTIMSYNC
849 | HAL_INT_TSFOOR
850 | HAL_INT_CST
851 | HAL_INT_GTT
852 ;
853
854 pCap->halFastCCSupport = AH_TRUE;
855 pCap->halNumGpioPins = 6;
856 pCap->halWowSupport = AH_FALSE;
857 pCap->halWowMatchPatternExact = AH_FALSE;
858 pCap->halBtCoexSupport = AH_FALSE; /* XXX need support */
859 pCap->halAutoSleepSupport = AH_FALSE;
860 pCap->hal4kbSplitTransSupport = AH_TRUE;
861 /* Disable this so Block-ACK works correctly */
862 pCap->halHasRxSelfLinkedTail = AH_FALSE;
863#if 0 /* XXX not yet */
864 pCap->halNumAntCfg2GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_2GHZ);
865 pCap->halNumAntCfg5GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_5GHZ);
866#endif
867 pCap->halHTSupport = AH_TRUE;
868 pCap->halTxChainMask = ath_hal_eepromGet(ah, AR_EEP_TXMASK, AH_NULL);
869 /* XXX CB71 uses GPIO 0 to indicate 3 rx chains */
870 pCap->halRxChainMask = ath_hal_eepromGet(ah, AR_EEP_RXMASK, AH_NULL);
871 /* AR5416 may have 3 antennas but is a 2x2 stream device */
872 pCap->halTxStreams = 2;
873 pCap->halRxStreams = 2;
874 pCap->halRtsAggrLimit = 8*1024; /* Owl 2.0 limit */
875 pCap->halMbssidAggrSupport = AH_FALSE; /* Broken on Owl */
876 pCap->halForcePpmSupport = AH_TRUE;
877 pCap->halEnhancedPmSupport = AH_TRUE;
878 pCap->halBssidMatchSupport = AH_TRUE;
879 pCap->halGTTSupport = AH_TRUE;
880 pCap->halCSTSupport = AH_TRUE;
881
882 if (ath_hal_eepromGetFlag(ah, AR_EEP_RFKILL) &&
883 ath_hal_eepromGet(ah, AR_EEP_RFSILENT, &ahpriv->ah_rfsilent) == HAL_OK) {
884 /* NB: enabled by default */
885 ahpriv->ah_rfkillEnabled = AH_TRUE;
886 pCap->halRfSilentSupport = AH_TRUE;
887 }
888
889 ahpriv->ah_rxornIsFatal = AH_FALSE;
890
891 return AH_TRUE;
892}
893
894static const char*
895ar5416Probe(uint16_t vendorid, uint16_t devid)
896{
897 if (vendorid == ATHEROS_VENDOR_ID &&
898 (devid == AR5416_DEVID_PCI || devid == AR5416_DEVID_PCIE))
899 return "Atheros 5416";
900 return AH_NULL;
901}
902AH_CHIP(AR5416, ar5416Probe, ar5416Attach);