1 /*-
2 * SPDX-License-Identifier: ISC
3 *
4 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
5 * Copyright (c) 2002-2008 Atheros Communications, Inc.
6 *
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 *
19 * $FreeBSD$
20 */
21 #include "opt_ah.h"
22
23 #include "ah.h"
24 #include "ah_internal.h"
25 #include "ah_devid.h"
26
27 #include "ar5212/ar5212.h"
28 #include "ar5212/ar5212reg.h"
29 #include "ar5212/ar5212phy.h"
30
31 #define AH_5212_COMMON
32 #include "ar5212/ar5212.ini"
33
34 static void ar5212ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore,
35 HAL_BOOL power_off);
36 static void ar5212DisablePCIE(struct ath_hal *ah);
37
38 static const struct ath_hal_private ar5212hal = {{
39 .ah_magic = AR5212_MAGIC,
40
41 .ah_getRateTable = ar5212GetRateTable,
42 .ah_detach = ar5212Detach,
43
44 /* Reset Functions */
45 .ah_reset = ar5212Reset,
46 .ah_phyDisable = ar5212PhyDisable,
47 .ah_disable = ar5212Disable,
48 .ah_configPCIE = ar5212ConfigPCIE,
49 .ah_disablePCIE = ar5212DisablePCIE,
50 .ah_setPCUConfig = ar5212SetPCUConfig,
51 .ah_perCalibration = ar5212PerCalibration,
52 .ah_perCalibrationN = ar5212PerCalibrationN,
53 .ah_resetCalValid = ar5212ResetCalValid,
54 .ah_setTxPowerLimit = ar5212SetTxPowerLimit,
55 .ah_getChanNoise = ath_hal_getChanNoise,
56
57 /* Transmit functions */
58 .ah_updateTxTrigLevel = ar5212UpdateTxTrigLevel,
59 .ah_setupTxQueue = ar5212SetupTxQueue,
60 .ah_setTxQueueProps = ar5212SetTxQueueProps,
61 .ah_getTxQueueProps = ar5212GetTxQueueProps,
62 .ah_releaseTxQueue = ar5212ReleaseTxQueue,
63 .ah_resetTxQueue = ar5212ResetTxQueue,
64 .ah_getTxDP = ar5212GetTxDP,
65 .ah_setTxDP = ar5212SetTxDP,
66 .ah_numTxPending = ar5212NumTxPending,
67 .ah_startTxDma = ar5212StartTxDma,
68 .ah_stopTxDma = ar5212StopTxDma,
69 .ah_setupTxDesc = ar5212SetupTxDesc,
70 .ah_setupXTxDesc = ar5212SetupXTxDesc,
71 .ah_fillTxDesc = ar5212FillTxDesc,
72 .ah_procTxDesc = ar5212ProcTxDesc,
73 .ah_getTxIntrQueue = ar5212GetTxIntrQueue,
74 .ah_reqTxIntrDesc = ar5212IntrReqTxDesc,
75 .ah_getTxCompletionRates = ar5212GetTxCompletionRates,
76 .ah_setTxDescLink = ar5212SetTxDescLink,
77 .ah_getTxDescLink = ar5212GetTxDescLink,
78 .ah_getTxDescLinkPtr = ar5212GetTxDescLinkPtr,
79
80 /* RX Functions */
81 .ah_getRxDP = ar5212GetRxDP,
82 .ah_setRxDP = ar5212SetRxDP,
83 .ah_enableReceive = ar5212EnableReceive,
84 .ah_stopDmaReceive = ar5212StopDmaReceive,
85 .ah_startPcuReceive = ar5212StartPcuReceive,
86 .ah_stopPcuReceive = ar5212StopPcuReceive,
87 .ah_setMulticastFilter = ar5212SetMulticastFilter,
88 .ah_setMulticastFilterIndex = ar5212SetMulticastFilterIndex,
89 .ah_clrMulticastFilterIndex = ar5212ClrMulticastFilterIndex,
90 .ah_getRxFilter = ar5212GetRxFilter,
91 .ah_setRxFilter = ar5212SetRxFilter,
92 .ah_setupRxDesc = ar5212SetupRxDesc,
93 .ah_procRxDesc = ar5212ProcRxDesc,
94 .ah_rxMonitor = ar5212RxMonitor,
95 .ah_aniPoll = ar5212AniPoll,
96 .ah_procMibEvent = ar5212ProcessMibIntr,
97
98 /* Misc Functions */
99 .ah_getCapability = ar5212GetCapability,
100 .ah_setCapability = ar5212SetCapability,
101 .ah_getDiagState = ar5212GetDiagState,
102 .ah_getMacAddress = ar5212GetMacAddress,
103 .ah_setMacAddress = ar5212SetMacAddress,
104 .ah_getBssIdMask = ar5212GetBssIdMask,
105 .ah_setBssIdMask = ar5212SetBssIdMask,
106 .ah_setRegulatoryDomain = ar5212SetRegulatoryDomain,
107 .ah_setLedState = ar5212SetLedState,
108 .ah_writeAssocid = ar5212WriteAssocid,
109 .ah_gpioCfgInput = ar5212GpioCfgInput,
110 .ah_gpioCfgOutput = ar5212GpioCfgOutput,
111 .ah_gpioGet = ar5212GpioGet,
112 .ah_gpioSet = ar5212GpioSet,
113 .ah_gpioSetIntr = ar5212GpioSetIntr,
114 .ah_getTsf32 = ar5212GetTsf32,
115 .ah_getTsf64 = ar5212GetTsf64,
116 .ah_setTsf64 = ar5212SetTsf64,
117 .ah_resetTsf = ar5212ResetTsf,
118 .ah_detectCardPresent = ar5212DetectCardPresent,
119 .ah_updateMibCounters = ar5212UpdateMibCounters,
120 .ah_getRfGain = ar5212GetRfgain,
121 .ah_getDefAntenna = ar5212GetDefAntenna,
122 .ah_setDefAntenna = ar5212SetDefAntenna,
123 .ah_getAntennaSwitch = ar5212GetAntennaSwitch,
124 .ah_setAntennaSwitch = ar5212SetAntennaSwitch,
125 .ah_setSifsTime = ar5212SetSifsTime,
126 .ah_getSifsTime = ar5212GetSifsTime,
127 .ah_setSlotTime = ar5212SetSlotTime,
128 .ah_getSlotTime = ar5212GetSlotTime,
129 .ah_setAckTimeout = ar5212SetAckTimeout,
130 .ah_getAckTimeout = ar5212GetAckTimeout,
131 .ah_setAckCTSRate = ar5212SetAckCTSRate,
132 .ah_getAckCTSRate = ar5212GetAckCTSRate,
133 .ah_setCTSTimeout = ar5212SetCTSTimeout,
134 .ah_getCTSTimeout = ar5212GetCTSTimeout,
135 .ah_setDecompMask = ar5212SetDecompMask,
136 .ah_setCoverageClass = ar5212SetCoverageClass,
137 .ah_setQuiet = ar5212SetQuiet,
138 .ah_getMibCycleCounts = ar5212GetMibCycleCounts,
139 .ah_setChainMasks = ar5212SetChainMasks,
140 .ah_getNav = ar5212GetNav,
141 .ah_setNav = ar5212SetNav,
142
143 /* DFS Functions */
144 .ah_enableDfs = ar5212EnableDfs,
145 .ah_getDfsThresh = ar5212GetDfsThresh,
146 .ah_getDfsDefaultThresh = ar5212GetDfsDefaultThresh,
147 .ah_procRadarEvent = ar5212ProcessRadarEvent,
148 .ah_isFastClockEnabled = ar5212IsFastClockEnabled,
149 .ah_get11nExtBusy = ar5212Get11nExtBusy,
150
151 /* Key Cache Functions */
152 .ah_getKeyCacheSize = ar5212GetKeyCacheSize,
153 .ah_resetKeyCacheEntry = ar5212ResetKeyCacheEntry,
154 .ah_isKeyCacheEntryValid = ar5212IsKeyCacheEntryValid,
155 .ah_setKeyCacheEntry = ar5212SetKeyCacheEntry,
156 .ah_setKeyCacheEntryMac = ar5212SetKeyCacheEntryMac,
157
158 /* Power Management Functions */
159 .ah_setPowerMode = ar5212SetPowerMode,
160 .ah_getPowerMode = ar5212GetPowerMode,
161
162 /* Beacon Functions */
163 .ah_setBeaconTimers = ar5212SetBeaconTimers,
164 .ah_beaconInit = ar5212BeaconInit,
165 .ah_setStationBeaconTimers = ar5212SetStaBeaconTimers,
166 .ah_resetStationBeaconTimers = ar5212ResetStaBeaconTimers,
167 .ah_getNextTBTT = ar5212GetNextTBTT,
168
169 /* Interrupt Functions */
170 .ah_isInterruptPending = ar5212IsInterruptPending,
171 .ah_getPendingInterrupts = ar5212GetPendingInterrupts,
172 .ah_getInterrupts = ar5212GetInterrupts,
173 .ah_setInterrupts = ar5212SetInterrupts },
174
175 .ah_getChannelEdges = ar5212GetChannelEdges,
176 .ah_getWirelessModes = ar5212GetWirelessModes,
177 .ah_eepromRead = ar5212EepromRead,
178 #ifdef AH_SUPPORT_WRITE_EEPROM
179 .ah_eepromWrite = ar5212EepromWrite,
180 #endif
181 .ah_getChipPowerLimits = ar5212GetChipPowerLimits,
182 };
183
184 uint32_t
185 ar5212GetRadioRev(struct ath_hal *ah)
186 {
187 uint32_t val;
188 int i;
189
190 /* Read Radio Chip Rev Extract */
191 OS_REG_WRITE(ah, AR_PHY(0x34), 0x00001c16);
192 for (i = 0; i < 8; i++)
193 OS_REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
194 val = (OS_REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
195 val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
196 return ath_hal_reverseBits(val, 8);
197 }
198
199 static void
200 ar5212AniSetup(struct ath_hal *ah)
201 {
202 static const struct ar5212AniParams aniparams = {
203 .maxNoiseImmunityLevel = 4, /* levels 0..4 */
204 .totalSizeDesired = { -55, -55, -55, -55, -62 },
205 .coarseHigh = { -14, -14, -14, -14, -12 },
206 .coarseLow = { -64, -64, -64, -64, -70 },
207 .firpwr = { -78, -78, -78, -78, -80 },
208 .maxSpurImmunityLevel = 2, /* NB: depends on chip rev */
209 .cycPwrThr1 = { 2, 4, 6, 8, 10, 12, 14, 16 },
210 .maxFirstepLevel = 2, /* levels 0..2 */
211 .firstep = { 0, 4, 8 },
212 .ofdmTrigHigh = 500,
213 .ofdmTrigLow = 200,
214 .cckTrigHigh = 200,
215 .cckTrigLow = 100,
216 .rssiThrHigh = 40,
217 .rssiThrLow = 7,
218 .period = 100,
219 };
220 if (AH_PRIVATE(ah)->ah_macVersion < AR_SREV_VERSION_GRIFFIN) {
221 struct ar5212AniParams tmp;
222 OS_MEMCPY(&tmp, &aniparams, sizeof(struct ar5212AniParams));
223 tmp.maxSpurImmunityLevel = 7; /* Venice and earlier */
224 ar5212AniAttach(ah, &tmp, &tmp, AH_TRUE);
225 } else
226 ar5212AniAttach(ah, &aniparams, &aniparams, AH_TRUE);
227
228 /* Set overridable ANI methods */
229 AH5212(ah)->ah_aniControl = ar5212AniControl;
230 }
231
232 /*
233 * Attach for an AR5212 part.
234 */
235 void
236 ar5212InitState(struct ath_hal_5212 *ahp, uint16_t devid, HAL_SOFTC sc,
237 HAL_BUS_TAG st, HAL_BUS_HANDLE sh, HAL_STATUS *status)
238 {
239 #define N(a) (sizeof(a)/sizeof(a[0]))
240 static const uint8_t defbssidmask[IEEE80211_ADDR_LEN] =
241 { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
242 struct ath_hal *ah;
243
244 ah = &ahp->ah_priv.h;
245 /* set initial values */
246 OS_MEMCPY(&ahp->ah_priv, &ar5212hal, sizeof(struct ath_hal_private));
247 ah->ah_sc = sc;
248 ah->ah_st = st;
249 ah->ah_sh = sh;
250
251 ah->ah_devid = devid; /* NB: for alq */
252 AH_PRIVATE(ah)->ah_devid = devid;
253 AH_PRIVATE(ah)->ah_subvendorid = 0; /* XXX */
254
255 AH_PRIVATE(ah)->ah_powerLimit = MAX_RATE_POWER;
256 AH_PRIVATE(ah)->ah_tpScale = HAL_TP_SCALE_MAX; /* no scaling */
257
258 ahp->ah_antControl = HAL_ANT_VARIABLE;
259 ahp->ah_diversity = AH_TRUE;
260 ahp->ah_bIQCalibration = AH_FALSE;
261 /*
262 * Enable MIC handling.
263 */
264 ahp->ah_staId1Defaults = AR_STA_ID1_CRPT_MIC_ENABLE;
265 ahp->ah_rssiThr = INIT_RSSI_THR;
266 ahp->ah_tpcEnabled = AH_FALSE; /* disabled by default */
267 ahp->ah_phyPowerOn = AH_FALSE;
268 ahp->ah_macTPC = SM(MAX_RATE_POWER, AR_TPC_ACK)
269 | SM(MAX_RATE_POWER, AR_TPC_CTS)
270 | SM(MAX_RATE_POWER, AR_TPC_CHIRP);
271 ahp->ah_beaconInterval = 100; /* XXX [20..1000] */
272 ahp->ah_enable32kHzClock = DONT_USE_32KHZ;/* XXX */
273 ahp->ah_slottime = (u_int) -1;
274 ahp->ah_acktimeout = (u_int) -1;
275 ahp->ah_ctstimeout = (u_int) -1;
276 ahp->ah_sifstime = (u_int) -1;
277 ahp->ah_txTrigLev = INIT_TX_FIFO_THRESHOLD;
278 ahp->ah_maxTxTrigLev = MAX_TX_FIFO_THRESHOLD;
279
280 OS_MEMCPY(&ahp->ah_bssidmask, defbssidmask, IEEE80211_ADDR_LEN);
281 #undef N
282 }
283
284 /*
285 * Validate MAC version and revision.
286 */
287 static HAL_BOOL
288 ar5212IsMacSupported(uint8_t macVersion, uint8_t macRev)
289 {
290 #define N(a) (sizeof(a)/sizeof(a[0]))
291 static const struct {
292 uint8_t version;
293 uint8_t revMin, revMax;
294 } macs[] = {
295 { AR_SREV_VERSION_VENICE,
296 AR_SREV_D2PLUS, AR_SREV_REVISION_MAX },
297 { AR_SREV_VERSION_GRIFFIN,
298 AR_SREV_D2PLUS, AR_SREV_REVISION_MAX },
299 { AR_SREV_5413,
300 AR_SREV_REVISION_MIN, AR_SREV_REVISION_MAX },
301 { AR_SREV_5424,
302 AR_SREV_REVISION_MIN, AR_SREV_REVISION_MAX },
303 { AR_SREV_2425,
304 AR_SREV_REVISION_MIN, AR_SREV_REVISION_MAX },
305 { AR_SREV_2417,
306 AR_SREV_REVISION_MIN, AR_SREV_REVISION_MAX },
307 };
308 int i;
309
310 for (i = 0; i < N(macs); i++)
311 if (macs[i].version == macVersion &&
312 macs[i].revMin <= macRev && macRev <= macs[i].revMax)
313 return AH_TRUE;
314 return AH_FALSE;
315 #undef N
316 }
317
318 /*
319 * Attach for an AR5212 part.
320 */
321 static struct ath_hal *
322 ar5212Attach(uint16_t devid, HAL_SOFTC sc,
323 HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
324 HAL_OPS_CONFIG *ah_config, HAL_STATUS *status)
325 {
326 #define AH_EEPROM_PROTECT(ah) \
327 (AH_PRIVATE(ah)->ah_ispcie)? AR_EEPROM_PROTECT_PCIE : AR_EEPROM_PROTECT)
328 struct ath_hal_5212 *ahp;
329 struct ath_hal *ah;
330 struct ath_hal_rf *rf;
331 uint32_t val;
332 uint16_t eeval;
333 HAL_STATUS ecode;
334
335 HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
336 __func__, sc, (void*) st, (void*) sh);
337
338 /* NB: memory is returned zero'd */
339 ahp = ath_hal_malloc(sizeof (struct ath_hal_5212));
340 if (ahp == AH_NULL) {
341 HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
342 "%s: cannot allocate memory for state block\n", __func__);
343 *status = HAL_ENOMEM;
344 return AH_NULL;
345 }
346 ar5212InitState(ahp, devid, sc, st, sh, status);
347 ah = &ahp->ah_priv.h;
348
349 if (!ar5212SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
350 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n",
351 __func__);
352 ecode = HAL_EIO;
353 goto bad;
354 }
355 /* Read Revisions from Chips before taking out of reset */
356 val = OS_REG_READ(ah, AR_SREV) & AR_SREV_ID;
357 AH_PRIVATE(ah)->ah_macVersion = val >> AR_SREV_ID_S;
358 AH_PRIVATE(ah)->ah_macRev = val & AR_SREV_REVISION;
359 AH_PRIVATE(ah)->ah_ispcie = IS_5424(ah) || IS_2425(ah);
360
361 if (!ar5212IsMacSupported(AH_PRIVATE(ah)->ah_macVersion, AH_PRIVATE(ah)->ah_macRev)) {
362 HALDEBUG(ah, HAL_DEBUG_ANY,
363 "%s: Mac Chip Rev 0x%02x.%x not supported\n" ,
364 __func__, AH_PRIVATE(ah)->ah_macVersion,
365 AH_PRIVATE(ah)->ah_macRev);
366 ecode = HAL_ENOTSUPP;
367 goto bad;
368 }
369
370 /* setup common ini data; rf backends handle remainder */
371 HAL_INI_INIT(&ahp->ah_ini_modes, ar5212Modes, 6);
372 HAL_INI_INIT(&ahp->ah_ini_common, ar5212Common, 2);
373
374 if (!ar5212ChipReset(ah, AH_NULL)) { /* reset chip */
375 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n", __func__);
376 ecode = HAL_EIO;
377 goto bad;
378 }
379
380 AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
381
382 if (AH_PRIVATE(ah)->ah_ispcie) {
383 /* XXX: build flag to disable this? */
384 ath_hal_configPCIE(ah, AH_FALSE, AH_FALSE);
385 }
386
387 if (!ar5212ChipTest(ah)) {
388 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
389 __func__);
390 ecode = HAL_ESELFTEST;
391 goto bad;
392 }
393
394 /* Enable PCI core retry fix in software for Hainan and up */
395 if (AH_PRIVATE(ah)->ah_macVersion >= AR_SREV_VERSION_VENICE)
396 OS_REG_SET_BIT(ah, AR_PCICFG, AR_PCICFG_RETRYFIXEN);
397
398 /*
399 * Set correct Baseband to analog shift
400 * setting to access analog chips.
401 */
402 OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
403
404 /* Read Radio Chip Rev Extract */
405 AH_PRIVATE(ah)->ah_analog5GhzRev = ar5212GetRadioRev(ah);
406
407 rf = ath_hal_rfprobe(ah, &ecode);
408 if (rf == AH_NULL)
409 goto bad;
410
411 /* NB: silently accept anything in release code per Atheros */
412 switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
413 case AR_RAD5111_SREV_MAJOR:
414 case AR_RAD5112_SREV_MAJOR:
415 case AR_RAD2112_SREV_MAJOR:
416 case AR_RAD2111_SREV_MAJOR:
417 case AR_RAD2413_SREV_MAJOR:
418 case AR_RAD5413_SREV_MAJOR:
419 case AR_RAD5424_SREV_MAJOR:
420 break;
421 default:
422 if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
423 /*
424 * When RF_Silent is used, the
425 * analog chip is reset. So when the system boots
426 * up with the radio switch off we cannot determine
427 * the RF chip rev. To workaround this check the
428 * mac+phy revs and if Hainan, set the radio rev
429 * to Derby.
430 */
431 if (AH_PRIVATE(ah)->ah_macVersion == AR_SREV_VERSION_VENICE &&
432 AH_PRIVATE(ah)->ah_macRev == AR_SREV_HAINAN &&
433 AH_PRIVATE(ah)->ah_phyRev == AR_PHYREV_HAINAN) {
434 AH_PRIVATE(ah)->ah_analog5GhzRev = AR_ANALOG5REV_HAINAN;
435 break;
436 }
437 if (IS_2413(ah)) { /* Griffin */
438 AH_PRIVATE(ah)->ah_analog5GhzRev =
439 AR_RAD2413_SREV_MAJOR | 0x1;
440 break;
441 }
442 if (IS_5413(ah)) { /* Eagle */
443 AH_PRIVATE(ah)->ah_analog5GhzRev =
444 AR_RAD5413_SREV_MAJOR | 0x2;
445 break;
446 }
447 if (IS_2425(ah) || IS_2417(ah)) {/* Swan or Nala */
448 AH_PRIVATE(ah)->ah_analog5GhzRev =
449 AR_RAD5424_SREV_MAJOR | 0x2;
450 break;
451 }
452 }
453 #ifdef AH_DEBUG
454 HALDEBUG(ah, HAL_DEBUG_ANY,
455 "%s: 5G Radio Chip Rev 0x%02X is not supported by "
456 "this driver\n",
457 __func__, AH_PRIVATE(ah)->ah_analog5GhzRev);
458 ecode = HAL_ENOTSUPP;
459 goto bad;
460 #endif
461 }
462 if (IS_RAD5112_REV1(ah)) {
463 HALDEBUG(ah, HAL_DEBUG_ANY,
464 "%s: 5112 Rev 1 is not supported by this "
465 "driver (analog5GhzRev 0x%x)\n", __func__,
466 AH_PRIVATE(ah)->ah_analog5GhzRev);
467 ecode = HAL_ENOTSUPP;
468 goto bad;
469 }
470
471 val = OS_REG_READ(ah, AR_PCICFG);
472 val = MS(val, AR_PCICFG_EEPROM_SIZE);
473 if (val == 0) {
474 if (!AH_PRIVATE(ah)->ah_ispcie) {
475 HALDEBUG(ah, HAL_DEBUG_ANY,
476 "%s: unsupported EEPROM size %u (0x%x) found\n",
477 __func__, val, val);
478 ecode = HAL_EESIZE;
479 goto bad;
480 }
481 /* XXX AH_PRIVATE(ah)->ah_isPciExpress = AH_TRUE; */
482 } else if (val != AR_PCICFG_EEPROM_SIZE_16K) {
483 if (AR_PCICFG_EEPROM_SIZE_FAILED == val) {
484 HALDEBUG(ah, HAL_DEBUG_ANY,
485 "%s: unsupported EEPROM size %u (0x%x) found\n",
486 __func__, val, val);
487 ecode = HAL_EESIZE;
488 goto bad;
489 }
490 HALDEBUG(ah, HAL_DEBUG_ANY,
491 "%s: EEPROM size = %d. Must be %d (16k).\n",
492 __func__, val, AR_PCICFG_EEPROM_SIZE_16K);
493 ecode = HAL_EESIZE;
494 goto bad;
495 }
496 ecode = ath_hal_legacyEepromAttach(ah);
497 if (ecode != HAL_OK) {
498 goto bad;
499 }
500 ahp->ah_isHb63 = IS_2425(ah) && ath_hal_eepromGetFlag(ah, AR_EEP_ISTALON);
501
502 /*
503 * If Bmode and AR5212, verify 2.4 analog exists
504 */
505 if (ath_hal_eepromGetFlag(ah, AR_EEP_BMODE) &&
506 (AH_PRIVATE(ah)->ah_analog5GhzRev & 0xF0) == AR_RAD5111_SREV_MAJOR) {
507 /*
508 * Set correct Baseband to analog shift
509 * setting to access analog chips.
510 */
511 OS_REG_WRITE(ah, AR_PHY(0), 0x00004007);
512 OS_DELAY(2000);
513 AH_PRIVATE(ah)->ah_analog2GhzRev = ar5212GetRadioRev(ah);
514
515 /* Set baseband for 5GHz chip */
516 OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
517 OS_DELAY(2000);
518 if ((AH_PRIVATE(ah)->ah_analog2GhzRev & 0xF0) != AR_RAD2111_SREV_MAJOR) {
519 HALDEBUG(ah, HAL_DEBUG_ANY,
520 "%s: 2G Radio Chip Rev 0x%02X is not "
521 "supported by this driver\n", __func__,
522 AH_PRIVATE(ah)->ah_analog2GhzRev);
523 ecode = HAL_ENOTSUPP;
524 goto bad;
525 }
526 }
527
528 ecode = ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, &eeval);
529 if (ecode != HAL_OK) {
530 HALDEBUG(ah, HAL_DEBUG_ANY,
531 "%s: cannot read regulatory domain from EEPROM\n",
532 __func__);
533 goto bad;
534 }
535 AH_PRIVATE(ah)->ah_currentRD = eeval;
536 /* XXX record serial number */
537
538 /*
539 * Got everything we need now to setup the capabilities.
540 */
541 if (!ar5212FillCapabilityInfo(ah)) {
542 HALDEBUG(ah, HAL_DEBUG_ANY,
543 "%s: failed ar5212FillCapabilityInfo\n", __func__);
544 ecode = HAL_EEREAD;
545 goto bad;
546 }
547
548 if (!rf->attach(ah, &ecode)) {
549 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
550 __func__, ecode);
551 goto bad;
552 }
553 /*
554 * Set noise floor adjust method; we arrange a
555 * direct call instead of thunking.
556 */
557 AH_PRIVATE(ah)->ah_getNfAdjust = ahp->ah_rfHal->getNfAdjust;
558
559 /* Initialize gain ladder thermal calibration structure */
560 ar5212InitializeGainValues(ah);
561
562 ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
563 if (ecode != HAL_OK) {
564 HALDEBUG(ah, HAL_DEBUG_ANY,
565 "%s: error getting mac address from EEPROM\n", __func__);
566 goto bad;
567 }
568
569 ar5212AniSetup(ah);
570 /* Setup of Radar/AR structures happens in ath_hal_initchannels*/
571 ar5212InitNfCalHistBuffer(ah);
572
573 /* XXX EAR stuff goes here */
574
575 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
576
577 return ah;
578
579 bad:
580 if (ahp)
581 ar5212Detach((struct ath_hal *) ahp);
582 if (status)
583 *status = ecode;
584 return AH_NULL;
585 #undef AH_EEPROM_PROTECT
586 }
587
588 void
589 ar5212Detach(struct ath_hal *ah)
590 {
591 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s:\n", __func__);
592
593 HALASSERT(ah != AH_NULL);
594 HALASSERT(ah->ah_magic == AR5212_MAGIC);
595
596 ar5212AniDetach(ah);
597 ar5212RfDetach(ah);
598 ar5212Disable(ah);
599 ar5212SetPowerMode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
600
601 ath_hal_eepromDetach(ah);
602 ath_hal_free(ah);
603 }
604
605 HAL_BOOL
606 ar5212ChipTest(struct ath_hal *ah)
607 {
608 uint32_t regAddr[2] = { AR_STA_ID0, AR_PHY_BASE+(8 << 2) };
609 uint32_t regHold[2];
610 uint32_t patternData[4] =
611 { 0x55555555, 0xaaaaaaaa, 0x66666666, 0x99999999 };
612 int i, j;
613
614 /* Test PHY & MAC registers */
615 for (i = 0; i < 2; i++) {
616 uint32_t addr = regAddr[i];
617 uint32_t wrData, rdData;
618
619 regHold[i] = OS_REG_READ(ah, addr);
620 for (j = 0; j < 0x100; j++) {
621 wrData = (j << 16) | j;
622 OS_REG_WRITE(ah, addr, wrData);
623 rdData = OS_REG_READ(ah, addr);
624 if (rdData != wrData) {
625 HALDEBUG(ah, HAL_DEBUG_ANY,
626 "%s: address test failed addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
627 __func__, addr, wrData, rdData);
628 return AH_FALSE;
629 }
630 }
631 for (j = 0; j < 4; j++) {
632 wrData = patternData[j];
633 OS_REG_WRITE(ah, addr, wrData);
634 rdData = OS_REG_READ(ah, addr);
635 if (wrData != rdData) {
636 HALDEBUG(ah, HAL_DEBUG_ANY,
637 "%s: address test failed addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
638 __func__, addr, wrData, rdData);
639 return AH_FALSE;
640 }
641 }
642 OS_REG_WRITE(ah, regAddr[i], regHold[i]);
643 }
644 OS_DELAY(100);
645 return AH_TRUE;
646 }
647
648 /*
649 * Store the channel edges for the requested operational mode
650 */
651 HAL_BOOL
652 ar5212GetChannelEdges(struct ath_hal *ah,
653 uint16_t flags, uint16_t *low, uint16_t *high)
654 {
655 if (flags & IEEE80211_CHAN_5GHZ) {
656 *low = 4915;
657 *high = 6100;
658 return AH_TRUE;
659 }
660 if ((flags & IEEE80211_CHAN_2GHZ) &&
661 (ath_hal_eepromGetFlag(ah, AR_EEP_BMODE) ||
662 ath_hal_eepromGetFlag(ah, AR_EEP_GMODE))) {
663 *low = 2312;
664 *high = 2732;
665 return AH_TRUE;
666 }
667 return AH_FALSE;
668 }
669
670 /*
671 * Disable PLL when in L0s as well as receiver clock when in L1.
672 * This power saving option must be enabled through the Serdes.
673 *
674 * Programming the Serdes must go through the same 288 bit serial shift
675 * register as the other analog registers. Hence the 9 writes.
676 *
677 * XXX Clean up the magic numbers.
678 */
679 static void
680 ar5212ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore, HAL_BOOL power_off)
681 {
682 OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
683 OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
684
685 /* RX shut off when elecidle is asserted */
686 OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x28000039);
687 OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x53160824);
688 OS_REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980579);
689
690 /* Shut off PLL and CLKREQ active in L1 */
691 OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x001defff);
692 OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
693 OS_REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
694 OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x000e3007);
695
696 /* Load the new settings */
697 OS_REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
698 }
699
700 static void
701 ar5212DisablePCIE(struct ath_hal *ah)
702 {
703 /* NB: fill in for 9100 */
704 }
705
706 /*
707 * Fill all software cached or static hardware state information.
708 * Return failure if capabilities are to come from EEPROM and
709 * cannot be read.
710 */
711 HAL_BOOL
712 ar5212FillCapabilityInfo(struct ath_hal *ah)
713 {
714 #define AR_KEYTABLE_SIZE 128
715 #define IS_GRIFFIN_LITE(ah) \
716 (AH_PRIVATE(ah)->ah_macVersion == AR_SREV_VERSION_GRIFFIN && \
717 AH_PRIVATE(ah)->ah_macRev == AR_SREV_GRIFFIN_LITE)
718 #define IS_COBRA(ah) \
719 (AH_PRIVATE(ah)->ah_macVersion == AR_SREV_VERSION_COBRA)
720 #define IS_2112(ah) \
721 ((AH_PRIVATE(ah)->ah_analog5GhzRev & 0xF0) == AR_RAD2112_SREV_MAJOR)
722
723 struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
724 HAL_CAPABILITIES *pCap = &ahpriv->ah_caps;
725 uint16_t capField, val;
726
727 /* Read the capability EEPROM location */
728 if (ath_hal_eepromGet(ah, AR_EEP_OPCAP, &capField) != HAL_OK) {
729 HALDEBUG(ah, HAL_DEBUG_ANY,
730 "%s: unable to read caps from eeprom\n", __func__);
731 return AH_FALSE;
732 }
733 if (IS_2112(ah))
734 ath_hal_eepromSet(ah, AR_EEP_AMODE, AH_FALSE);
735 if (capField == 0 && IS_GRIFFIN_LITE(ah)) {
736 /*
737 * For griffin-lite cards with unprogrammed capabilities.
738 */
739 ath_hal_eepromSet(ah, AR_EEP_COMPRESS, AH_FALSE);
740 ath_hal_eepromSet(ah, AR_EEP_FASTFRAME, AH_FALSE);
741 ath_hal_eepromSet(ah, AR_EEP_TURBO5DISABLE, AH_TRUE);
742 ath_hal_eepromSet(ah, AR_EEP_TURBO2DISABLE, AH_TRUE);
743 HALDEBUG(ah, HAL_DEBUG_ATTACH,
744 "%s: override caps for griffin-lite, now 0x%x (+!turbo)\n",
745 __func__, capField);
746 }
747
748 /* Modify reg domain on newer cards that need to work with older sw */
749 if (ahpriv->ah_opmode != HAL_M_HOSTAP &&
750 ahpriv->ah_subvendorid == AR_SUBVENDOR_ID_NEW_A) {
751 if (ahpriv->ah_currentRD == 0x64 ||
752 ahpriv->ah_currentRD == 0x65)
753 ahpriv->ah_currentRD += 5;
754 else if (ahpriv->ah_currentRD == 0x41)
755 ahpriv->ah_currentRD = 0x43;
756 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: regdomain mapped to 0x%x\n",
757 __func__, ahpriv->ah_currentRD);
758 }
759
760 if (AH_PRIVATE(ah)->ah_macVersion == AR_SREV_2417 ||
761 AH_PRIVATE(ah)->ah_macVersion == AR_SREV_2425) {
762 HALDEBUG(ah, HAL_DEBUG_ATTACH,
763 "%s: enable Bmode and disable turbo for Swan/Nala\n",
764 __func__);
765 ath_hal_eepromSet(ah, AR_EEP_BMODE, AH_TRUE);
766 ath_hal_eepromSet(ah, AR_EEP_COMPRESS, AH_FALSE);
767 ath_hal_eepromSet(ah, AR_EEP_FASTFRAME, AH_FALSE);
768 ath_hal_eepromSet(ah, AR_EEP_TURBO5DISABLE, AH_TRUE);
769 ath_hal_eepromSet(ah, AR_EEP_TURBO2DISABLE, AH_TRUE);
770 }
771
772 /* Construct wireless mode from EEPROM */
773 pCap->halWirelessModes = 0;
774 if (ath_hal_eepromGetFlag(ah, AR_EEP_AMODE)) {
775 pCap->halWirelessModes |= HAL_MODE_11A;
776 if (!ath_hal_eepromGetFlag(ah, AR_EEP_TURBO5DISABLE))
777 pCap->halWirelessModes |= HAL_MODE_TURBO;
778 }
779 if (ath_hal_eepromGetFlag(ah, AR_EEP_BMODE))
780 pCap->halWirelessModes |= HAL_MODE_11B;
781 if (ath_hal_eepromGetFlag(ah, AR_EEP_GMODE) &&
782 ahpriv->ah_subvendorid != AR_SUBVENDOR_ID_NOG) {
783 pCap->halWirelessModes |= HAL_MODE_11G;
784 if (!ath_hal_eepromGetFlag(ah, AR_EEP_TURBO2DISABLE))
785 pCap->halWirelessModes |= HAL_MODE_108G;
786 }
787
788 pCap->halLow2GhzChan = 2312;
789 /* XXX 2417 too? */
790 if (IS_RAD5112_ANY(ah) || IS_5413(ah) || IS_2425(ah) || IS_2417(ah))
791 pCap->halHigh2GhzChan = 2500;
792 else
793 pCap->halHigh2GhzChan = 2732;
794
795 /*
796 * For AR5111 version < 4, the lowest centre frequency supported is
797 * 5130MHz. For AR5111 version 4, the 4.9GHz channels are supported
798 * but only in 10MHz increments.
799 *
800 * In addition, the programming method is wrong - it uses the IEEE
801 * channel number to calculate the frequency, rather than the
802 * channel centre. Since half/quarter rates re-use some of the
803 * 5GHz channel IEEE numbers, this will result in a badly programmed
804 * synth.
805 *
806 * Until the relevant support is written, just limit lower frequency
807 * support for AR5111 so things aren't incorrectly programmed.
808 *
809 * XXX It's also possible this code doesn't correctly limit the
810 * centre frequencies of potential channels; this is very important
811 * for half/quarter rate!
812 */
813 if (AH_RADIO_MAJOR(ah) == AR_RAD5111_SREV_MAJOR) {
814 pCap->halLow5GhzChan = 5120; /* XXX lowest centre = 5130MHz */
815 } else {
816 pCap->halLow5GhzChan = 4915;
817 }
818 pCap->halHigh5GhzChan = 6100;
819
820 pCap->halCipherCkipSupport = AH_FALSE;
821 pCap->halCipherTkipSupport = AH_TRUE;
822 pCap->halCipherAesCcmSupport =
823 (ath_hal_eepromGetFlag(ah, AR_EEP_AES) &&
824 ((AH_PRIVATE(ah)->ah_macVersion > AR_SREV_VERSION_VENICE) ||
825 ((AH_PRIVATE(ah)->ah_macVersion == AR_SREV_VERSION_VENICE) &&
826 (AH_PRIVATE(ah)->ah_macRev >= AR_SREV_VERSION_OAHU))));
827
828 pCap->halMicCkipSupport = AH_FALSE;
829 pCap->halMicTkipSupport = AH_TRUE;
830 pCap->halMicAesCcmSupport = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
831 /*
832 * Starting with Griffin TX+RX mic keys can be combined
833 * in one key cache slot.
834 */
835 if (AH_PRIVATE(ah)->ah_macVersion >= AR_SREV_VERSION_GRIFFIN)
836 pCap->halTkipMicTxRxKeySupport = AH_TRUE;
837 else
838 pCap->halTkipMicTxRxKeySupport = AH_FALSE;
839 pCap->halChanSpreadSupport = AH_TRUE;
840 pCap->halSleepAfterBeaconBroken = AH_TRUE;
841
842 if (ahpriv->ah_macRev > 1 || IS_COBRA(ah)) {
843 pCap->halCompressSupport =
844 ath_hal_eepromGetFlag(ah, AR_EEP_COMPRESS) &&
845 (pCap->halWirelessModes & (HAL_MODE_11A|HAL_MODE_11G)) != 0;
846 pCap->halBurstSupport = ath_hal_eepromGetFlag(ah, AR_EEP_BURST);
847 pCap->halFastFramesSupport =
848 ath_hal_eepromGetFlag(ah, AR_EEP_FASTFRAME) &&
849 (pCap->halWirelessModes & (HAL_MODE_11A|HAL_MODE_11G)) != 0;
850 pCap->halChapTuningSupport = AH_TRUE;
851 pCap->halTurboPrimeSupport = AH_TRUE;
852 }
853 pCap->halTurboGSupport = pCap->halWirelessModes & HAL_MODE_108G;
854
855 pCap->halPSPollBroken = AH_TRUE; /* XXX fixed in later revs? */
856 pCap->halNumMRRetries = 4; /* Hardware supports 4 MRR */
857 pCap->halNumTxMaps = 1; /* Single TX ptr per descr */
858 pCap->halVEOLSupport = AH_TRUE;
859 pCap->halBssIdMaskSupport = AH_TRUE;
860 pCap->halMcastKeySrchSupport = AH_TRUE;
861 if ((ahpriv->ah_macVersion == AR_SREV_VERSION_VENICE &&
862 ahpriv->ah_macRev == 8) ||
863 ahpriv->ah_macVersion > AR_SREV_VERSION_VENICE)
864 pCap->halTsfAddSupport = AH_TRUE;
865
866 if (ath_hal_eepromGet(ah, AR_EEP_MAXQCU, &val) == HAL_OK)
867 pCap->halTotalQueues = val;
868 else
869 pCap->halTotalQueues = HAL_NUM_TX_QUEUES;
870
871 if (ath_hal_eepromGet(ah, AR_EEP_KCENTRIES, &val) == HAL_OK)
872 pCap->halKeyCacheSize = val;
873 else
874 pCap->halKeyCacheSize = AR_KEYTABLE_SIZE;
875
876 pCap->halChanHalfRate = AH_TRUE;
877 pCap->halChanQuarterRate = AH_TRUE;
878
879 /*
880 * RSSI uses the combined field; some 11n NICs may use
881 * the control chain RSSI.
882 */
883 pCap->halUseCombinedRadarRssi = AH_TRUE;
884
885 if (ath_hal_eepromGetFlag(ah, AR_EEP_RFKILL) &&
886 ath_hal_eepromGet(ah, AR_EEP_RFSILENT, &ahpriv->ah_rfsilent) == HAL_OK) {
887 /* NB: enabled by default */
888 ahpriv->ah_rfkillEnabled = AH_TRUE;
889 pCap->halRfSilentSupport = AH_TRUE;
890 }
891
892 /* NB: this is a guess, no one seems to know the answer */
893 ahpriv->ah_rxornIsFatal =
894 (AH_PRIVATE(ah)->ah_macVersion < AR_SREV_VERSION_VENICE);
895
896 /* enable features that first appeared in Hainan */
897 if ((AH_PRIVATE(ah)->ah_macVersion == AR_SREV_VERSION_VENICE &&
898 AH_PRIVATE(ah)->ah_macRev == AR_SREV_HAINAN) ||
899 AH_PRIVATE(ah)->ah_macVersion > AR_SREV_VERSION_VENICE) {
900 /* h/w phy counters */
901 pCap->halHwPhyCounterSupport = AH_TRUE;
902 /* bssid match disable */
903 pCap->halBssidMatchSupport = AH_TRUE;
904 }
905
906 pCap->halRxTstampPrecision = 15;
907 pCap->halTxTstampPrecision = 16;
908 pCap->halIntrMask = HAL_INT_COMMON
909 | HAL_INT_RX
910 | HAL_INT_TX
911 | HAL_INT_FATAL
912 | HAL_INT_BNR
913 | HAL_INT_BMISC
914 ;
915 if (AH_PRIVATE(ah)->ah_macVersion < AR_SREV_VERSION_GRIFFIN)
916 pCap->halIntrMask &= ~HAL_INT_TBTT;
917
918 pCap->hal4kbSplitTransSupport = AH_TRUE;
919 pCap->halHasRxSelfLinkedTail = AH_TRUE;
920
921 return AH_TRUE;
922 #undef IS_COBRA
923 #undef IS_GRIFFIN_LITE
924 #undef AR_KEYTABLE_SIZE
925 }
926
927 static const char*
928 ar5212Probe(uint16_t vendorid, uint16_t devid)
929 {
930 if (vendorid == ATHEROS_VENDOR_ID ||
931 vendorid == ATHEROS_3COM_VENDOR_ID ||
932 vendorid == ATHEROS_3COM2_VENDOR_ID) {
933 switch (devid) {
934 case AR5212_FPGA:
935 return "Atheros 5212 (FPGA)";
936 case AR5212_DEVID:
937 case AR5212_DEVID_IBM:
938 case AR5212_DEFAULT:
939 return "Atheros 5212";
940 case AR5212_AR2413:
941 return "Atheros 2413";
942 case AR5212_AR2417:
943 return "Atheros 2417";
944 case AR5212_AR5413:
945 return "Atheros 5413";
946 case AR5212_AR5424:
947 return "Atheros 5424/2424";
948 }
949 }
950 return AH_NULL;
951 }
952 AH_CHIP(AR5212, ar5212Probe, ar5212Attach);
Cache object: 8fce490dcdeb8c2b1a972c2d73bd6295
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