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[FreeBSD/releng/9.2.git] / sys / dev / ath / ath_hal / ar5212 / ar5212_attach.c
1 /*
2  * Copyright (c) 2002-2009 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  * $FreeBSD$
18  */
19 #include "opt_ah.h"
20
21 #include "ah.h"
22 #include "ah_internal.h"
23 #include "ah_devid.h"
24
25 #include "ar5212/ar5212.h"
26 #include "ar5212/ar5212reg.h"
27 #include "ar5212/ar5212phy.h"
28
29 #define AH_5212_COMMON
30 #include "ar5212/ar5212.ini"
31
32 static void ar5212ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore);
33 static void ar5212DisablePCIE(struct ath_hal *ah);
34
35 static const struct ath_hal_private ar5212hal = {{
36         .ah_magic                       = AR5212_MAGIC,
37
38         .ah_getRateTable                = ar5212GetRateTable,
39         .ah_detach                      = ar5212Detach,
40
41         /* Reset Functions */
42         .ah_reset                       = ar5212Reset,
43         .ah_phyDisable                  = ar5212PhyDisable,
44         .ah_disable                     = ar5212Disable,
45         .ah_configPCIE                  = ar5212ConfigPCIE,
46         .ah_disablePCIE                 = ar5212DisablePCIE,
47         .ah_setPCUConfig                = ar5212SetPCUConfig,
48         .ah_perCalibration              = ar5212PerCalibration,
49         .ah_perCalibrationN             = ar5212PerCalibrationN,
50         .ah_resetCalValid               = ar5212ResetCalValid,
51         .ah_setTxPowerLimit             = ar5212SetTxPowerLimit,
52         .ah_getChanNoise                = ath_hal_getChanNoise,
53
54         /* Transmit functions */
55         .ah_updateTxTrigLevel           = ar5212UpdateTxTrigLevel,
56         .ah_setupTxQueue                = ar5212SetupTxQueue,
57         .ah_setTxQueueProps             = ar5212SetTxQueueProps,
58         .ah_getTxQueueProps             = ar5212GetTxQueueProps,
59         .ah_releaseTxQueue              = ar5212ReleaseTxQueue,
60         .ah_resetTxQueue                = ar5212ResetTxQueue,
61         .ah_getTxDP                     = ar5212GetTxDP,
62         .ah_setTxDP                     = ar5212SetTxDP,
63         .ah_numTxPending                = ar5212NumTxPending,
64         .ah_startTxDma                  = ar5212StartTxDma,
65         .ah_stopTxDma                   = ar5212StopTxDma,
66         .ah_setupTxDesc                 = ar5212SetupTxDesc,
67         .ah_setupXTxDesc                = ar5212SetupXTxDesc,
68         .ah_fillTxDesc                  = ar5212FillTxDesc,
69         .ah_procTxDesc                  = ar5212ProcTxDesc,
70         .ah_getTxIntrQueue              = ar5212GetTxIntrQueue,
71         .ah_reqTxIntrDesc               = ar5212IntrReqTxDesc,
72         .ah_getTxCompletionRates        = ar5212GetTxCompletionRates,
73
74         /* RX Functions */
75         .ah_getRxDP                     = ar5212GetRxDP,
76         .ah_setRxDP                     = ar5212SetRxDP,
77         .ah_enableReceive               = ar5212EnableReceive,
78         .ah_stopDmaReceive              = ar5212StopDmaReceive,
79         .ah_startPcuReceive             = ar5212StartPcuReceive,
80         .ah_stopPcuReceive              = ar5212StopPcuReceive,
81         .ah_setMulticastFilter          = ar5212SetMulticastFilter,
82         .ah_setMulticastFilterIndex     = ar5212SetMulticastFilterIndex,
83         .ah_clrMulticastFilterIndex     = ar5212ClrMulticastFilterIndex,
84         .ah_getRxFilter                 = ar5212GetRxFilter,
85         .ah_setRxFilter                 = ar5212SetRxFilter,
86         .ah_setupRxDesc                 = ar5212SetupRxDesc,
87         .ah_procRxDesc                  = ar5212ProcRxDesc,
88         .ah_rxMonitor                   = ar5212RxMonitor,
89         .ah_aniPoll                     = ar5212AniPoll,
90         .ah_procMibEvent                = ar5212ProcessMibIntr,
91
92         /* Misc Functions */
93         .ah_getCapability               = ar5212GetCapability,
94         .ah_setCapability               = ar5212SetCapability,
95         .ah_getDiagState                = ar5212GetDiagState,
96         .ah_getMacAddress               = ar5212GetMacAddress,
97         .ah_setMacAddress               = ar5212SetMacAddress,
98         .ah_getBssIdMask                = ar5212GetBssIdMask,
99         .ah_setBssIdMask                = ar5212SetBssIdMask,
100         .ah_setRegulatoryDomain         = ar5212SetRegulatoryDomain,
101         .ah_setLedState                 = ar5212SetLedState,
102         .ah_writeAssocid                = ar5212WriteAssocid,
103         .ah_gpioCfgInput                = ar5212GpioCfgInput,
104         .ah_gpioCfgOutput               = ar5212GpioCfgOutput,
105         .ah_gpioGet                     = ar5212GpioGet,
106         .ah_gpioSet                     = ar5212GpioSet,
107         .ah_gpioSetIntr                 = ar5212GpioSetIntr,
108         .ah_getTsf32                    = ar5212GetTsf32,
109         .ah_getTsf64                    = ar5212GetTsf64,
110         .ah_resetTsf                    = ar5212ResetTsf,
111         .ah_detectCardPresent           = ar5212DetectCardPresent,
112         .ah_updateMibCounters           = ar5212UpdateMibCounters,
113         .ah_getRfGain                   = ar5212GetRfgain,
114         .ah_getDefAntenna               = ar5212GetDefAntenna,
115         .ah_setDefAntenna               = ar5212SetDefAntenna,
116         .ah_getAntennaSwitch            = ar5212GetAntennaSwitch,
117         .ah_setAntennaSwitch            = ar5212SetAntennaSwitch,
118         .ah_setSifsTime                 = ar5212SetSifsTime,
119         .ah_getSifsTime                 = ar5212GetSifsTime,
120         .ah_setSlotTime                 = ar5212SetSlotTime,
121         .ah_getSlotTime                 = ar5212GetSlotTime,
122         .ah_setAckTimeout               = ar5212SetAckTimeout,
123         .ah_getAckTimeout               = ar5212GetAckTimeout,
124         .ah_setAckCTSRate               = ar5212SetAckCTSRate,
125         .ah_getAckCTSRate               = ar5212GetAckCTSRate,
126         .ah_setCTSTimeout               = ar5212SetCTSTimeout,
127         .ah_getCTSTimeout               = ar5212GetCTSTimeout,
128         .ah_setDecompMask               = ar5212SetDecompMask,
129         .ah_setCoverageClass            = ar5212SetCoverageClass,
130         .ah_setQuiet                    = ar5212SetQuiet,
131
132         /* DFS Functions */
133         .ah_enableDfs                   = ar5212EnableDfs,
134         .ah_getDfsThresh                = ar5212GetDfsThresh,
135         .ah_procRadarEvent              = ar5212ProcessRadarEvent,
136         .ah_isFastClockEnabled          = ar5212IsFastClockEnabled,
137
138         /* Key Cache Functions */
139         .ah_getKeyCacheSize             = ar5212GetKeyCacheSize,
140         .ah_resetKeyCacheEntry          = ar5212ResetKeyCacheEntry,
141         .ah_isKeyCacheEntryValid        = ar5212IsKeyCacheEntryValid,
142         .ah_setKeyCacheEntry            = ar5212SetKeyCacheEntry,
143         .ah_setKeyCacheEntryMac         = ar5212SetKeyCacheEntryMac,
144
145         /* Power Management Functions */
146         .ah_setPowerMode                = ar5212SetPowerMode,
147         .ah_getPowerMode                = ar5212GetPowerMode,
148
149         /* Beacon Functions */
150         .ah_setBeaconTimers             = ar5212SetBeaconTimers,
151         .ah_beaconInit                  = ar5212BeaconInit,
152         .ah_setStationBeaconTimers      = ar5212SetStaBeaconTimers,
153         .ah_resetStationBeaconTimers    = ar5212ResetStaBeaconTimers,
154         .ah_getNextTBTT                 = ar5212GetNextTBTT,
155
156         /* Interrupt Functions */
157         .ah_isInterruptPending          = ar5212IsInterruptPending,
158         .ah_getPendingInterrupts        = ar5212GetPendingInterrupts,
159         .ah_getInterrupts               = ar5212GetInterrupts,
160         .ah_setInterrupts               = ar5212SetInterrupts },
161
162         .ah_getChannelEdges             = ar5212GetChannelEdges,
163         .ah_getWirelessModes            = ar5212GetWirelessModes,
164         .ah_eepromRead                  = ar5212EepromRead,
165 #ifdef AH_SUPPORT_WRITE_EEPROM
166         .ah_eepromWrite                 = ar5212EepromWrite,
167 #endif
168         .ah_getChipPowerLimits          = ar5212GetChipPowerLimits,
169 };
170
171 uint32_t
172 ar5212GetRadioRev(struct ath_hal *ah)
173 {
174         uint32_t val;
175         int i;
176
177         /* Read Radio Chip Rev Extract */
178         OS_REG_WRITE(ah, AR_PHY(0x34), 0x00001c16);
179         for (i = 0; i < 8; i++)
180                 OS_REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
181         val = (OS_REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
182         val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
183         return ath_hal_reverseBits(val, 8);
184 }
185
186 static void
187 ar5212AniSetup(struct ath_hal *ah)
188 {
189         static const struct ar5212AniParams aniparams = {
190                 .maxNoiseImmunityLevel  = 4,    /* levels 0..4 */
191                 .totalSizeDesired       = { -55, -55, -55, -55, -62 },
192                 .coarseHigh             = { -14, -14, -14, -14, -12 },
193                 .coarseLow              = { -64, -64, -64, -64, -70 },
194                 .firpwr                 = { -78, -78, -78, -78, -80 },
195                 .maxSpurImmunityLevel   = 2,    /* NB: depends on chip rev */
196                 .cycPwrThr1             = { 2, 4, 6, 8, 10, 12, 14, 16 },
197                 .maxFirstepLevel        = 2,    /* levels 0..2 */
198                 .firstep                = { 0, 4, 8 },
199                 .ofdmTrigHigh           = 500,
200                 .ofdmTrigLow            = 200,
201                 .cckTrigHigh            = 200,
202                 .cckTrigLow             = 100,
203                 .rssiThrHigh            = 40,
204                 .rssiThrLow             = 7,
205                 .period                 = 100,
206         };
207         if (AH_PRIVATE(ah)->ah_macVersion < AR_SREV_VERSION_GRIFFIN) {
208                 struct ar5212AniParams tmp;
209                 OS_MEMCPY(&tmp, &aniparams, sizeof(struct ar5212AniParams));
210                 tmp.maxSpurImmunityLevel = 7;   /* Venice and earlier */
211                 ar5212AniAttach(ah, &tmp, &tmp, AH_TRUE);
212         } else
213                 ar5212AniAttach(ah, &aniparams, &aniparams, AH_TRUE);
214
215         /* Set overridable ANI methods */
216         AH5212(ah)->ah_aniControl = ar5212AniControl;
217 }
218
219 /*
220  * Attach for an AR5212 part.
221  */
222 void
223 ar5212InitState(struct ath_hal_5212 *ahp, uint16_t devid, HAL_SOFTC sc,
224         HAL_BUS_TAG st, HAL_BUS_HANDLE sh, HAL_STATUS *status)
225 {
226 #define N(a)    (sizeof(a)/sizeof(a[0]))
227         static const uint8_t defbssidmask[IEEE80211_ADDR_LEN] =
228                 { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
229         struct ath_hal *ah;
230
231         ah = &ahp->ah_priv.h;
232         /* set initial values */
233         OS_MEMCPY(&ahp->ah_priv, &ar5212hal, sizeof(struct ath_hal_private));
234         ah->ah_sc = sc;
235         ah->ah_st = st;
236         ah->ah_sh = sh;
237
238         ah->ah_devid = devid;                   /* NB: for alq */
239         AH_PRIVATE(ah)->ah_devid = devid;
240         AH_PRIVATE(ah)->ah_subvendorid = 0;     /* XXX */
241
242         AH_PRIVATE(ah)->ah_powerLimit = MAX_RATE_POWER;
243         AH_PRIVATE(ah)->ah_tpScale = HAL_TP_SCALE_MAX;  /* no scaling */
244
245         ahp->ah_antControl = HAL_ANT_VARIABLE;
246         ahp->ah_diversity = AH_TRUE;
247         ahp->ah_bIQCalibration = AH_FALSE;
248         /*
249          * Enable MIC handling.
250          */
251         ahp->ah_staId1Defaults = AR_STA_ID1_CRPT_MIC_ENABLE;
252         ahp->ah_rssiThr = INIT_RSSI_THR;
253         ahp->ah_tpcEnabled = AH_FALSE;          /* disabled by default */
254         ahp->ah_phyPowerOn = AH_FALSE;
255         ahp->ah_macTPC = SM(MAX_RATE_POWER, AR_TPC_ACK)
256                        | SM(MAX_RATE_POWER, AR_TPC_CTS)
257                        | SM(MAX_RATE_POWER, AR_TPC_CHIRP);
258         ahp->ah_beaconInterval = 100;           /* XXX [20..1000] */
259         ahp->ah_enable32kHzClock = DONT_USE_32KHZ;/* XXX */
260         ahp->ah_slottime = (u_int) -1;
261         ahp->ah_acktimeout = (u_int) -1;
262         ahp->ah_ctstimeout = (u_int) -1;
263         ahp->ah_sifstime = (u_int) -1;
264         ahp->ah_txTrigLev = INIT_TX_FIFO_THRESHOLD,
265         ahp->ah_maxTxTrigLev = MAX_TX_FIFO_THRESHOLD,
266
267         OS_MEMCPY(&ahp->ah_bssidmask, defbssidmask, IEEE80211_ADDR_LEN);
268 #undef N
269 }
270
271 /*
272  * Validate MAC version and revision. 
273  */
274 static HAL_BOOL
275 ar5212IsMacSupported(uint8_t macVersion, uint8_t macRev)
276 {
277 #define N(a)    (sizeof(a)/sizeof(a[0]))
278         static const struct {
279                 uint8_t version;
280                 uint8_t revMin, revMax;
281         } macs[] = {
282             { AR_SREV_VERSION_VENICE,
283               AR_SREV_D2PLUS,           AR_SREV_REVISION_MAX },
284             { AR_SREV_VERSION_GRIFFIN,
285               AR_SREV_D2PLUS,           AR_SREV_REVISION_MAX },
286             { AR_SREV_5413,
287               AR_SREV_REVISION_MIN,     AR_SREV_REVISION_MAX },
288             { AR_SREV_5424,
289               AR_SREV_REVISION_MIN,     AR_SREV_REVISION_MAX },
290             { AR_SREV_2425,
291               AR_SREV_REVISION_MIN,     AR_SREV_REVISION_MAX },
292             { AR_SREV_2417,
293               AR_SREV_REVISION_MIN,     AR_SREV_REVISION_MAX },
294         };
295         int i;
296
297         for (i = 0; i < N(macs); i++)
298                 if (macs[i].version == macVersion &&
299                     macs[i].revMin <= macRev && macRev <= macs[i].revMax)
300                         return AH_TRUE;
301         return AH_FALSE;
302 #undef N
303 }
304        
305 /*
306  * Attach for an AR5212 part.
307  */
308 static struct ath_hal *
309 ar5212Attach(uint16_t devid, HAL_SOFTC sc,
310         HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
311         HAL_STATUS *status)
312 {
313 #define AH_EEPROM_PROTECT(ah) \
314         (AH_PRIVATE(ah)->ah_ispcie)? AR_EEPROM_PROTECT_PCIE : AR_EEPROM_PROTECT)
315         struct ath_hal_5212 *ahp;
316         struct ath_hal *ah;
317         struct ath_hal_rf *rf;
318         uint32_t val;
319         uint16_t eeval;
320         HAL_STATUS ecode;
321
322         HALDEBUG_G(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
323             __func__, sc, (void*) st, (void*) sh);
324
325         /* NB: memory is returned zero'd */
326         ahp = ath_hal_malloc(sizeof (struct ath_hal_5212));
327         if (ahp == AH_NULL) {
328                 HALDEBUG_G(AH_NULL, HAL_DEBUG_ANY,
329                     "%s: cannot allocate memory for state block\n", __func__);
330                 *status = HAL_ENOMEM;
331                 return AH_NULL;
332         }
333         ar5212InitState(ahp, devid, sc, st, sh, status);
334         ah = &ahp->ah_priv.h;
335
336         if (!ar5212SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
337                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n",
338                     __func__);
339                 ecode = HAL_EIO;
340                 goto bad;
341         }
342         /* Read Revisions from Chips before taking out of reset */
343         val = OS_REG_READ(ah, AR_SREV) & AR_SREV_ID;
344         AH_PRIVATE(ah)->ah_macVersion = val >> AR_SREV_ID_S;
345         AH_PRIVATE(ah)->ah_macRev = val & AR_SREV_REVISION;
346         AH_PRIVATE(ah)->ah_ispcie = IS_5424(ah) || IS_2425(ah);
347
348         if (!ar5212IsMacSupported(AH_PRIVATE(ah)->ah_macVersion, AH_PRIVATE(ah)->ah_macRev)) {
349                 HALDEBUG(ah, HAL_DEBUG_ANY,
350                     "%s: Mac Chip Rev 0x%02x.%x not supported\n" ,
351                     __func__, AH_PRIVATE(ah)->ah_macVersion,
352                     AH_PRIVATE(ah)->ah_macRev);
353                 ecode = HAL_ENOTSUPP;
354                 goto bad;
355         }
356
357         /* setup common ini data; rf backends handle remainder */
358         HAL_INI_INIT(&ahp->ah_ini_modes, ar5212Modes, 6);
359         HAL_INI_INIT(&ahp->ah_ini_common, ar5212Common, 2);
360
361         if (!ar5212ChipReset(ah, AH_NULL)) {    /* reset chip */
362                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n", __func__);
363                 ecode = HAL_EIO;
364                 goto bad;
365         }
366
367         AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
368
369         if (AH_PRIVATE(ah)->ah_ispcie) {
370                 /* XXX: build flag to disable this? */
371                 ath_hal_configPCIE(ah, AH_FALSE);
372         }
373
374         if (!ar5212ChipTest(ah)) {
375                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
376                     __func__);
377                 ecode = HAL_ESELFTEST;
378                 goto bad;
379         }
380
381         /* Enable PCI core retry fix in software for Hainan and up */
382         if (AH_PRIVATE(ah)->ah_macVersion >= AR_SREV_VERSION_VENICE)
383                 OS_REG_SET_BIT(ah, AR_PCICFG, AR_PCICFG_RETRYFIXEN);
384
385         /*
386          * Set correct Baseband to analog shift
387          * setting to access analog chips.
388          */
389         OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
390
391         /* Read Radio Chip Rev Extract */
392         AH_PRIVATE(ah)->ah_analog5GhzRev = ar5212GetRadioRev(ah);
393
394         rf = ath_hal_rfprobe(ah, &ecode);
395         if (rf == AH_NULL)
396                 goto bad;
397
398         /* NB: silently accept anything in release code per Atheros */
399         switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
400         case AR_RAD5111_SREV_MAJOR:
401         case AR_RAD5112_SREV_MAJOR:
402         case AR_RAD2112_SREV_MAJOR:
403         case AR_RAD2111_SREV_MAJOR:
404         case AR_RAD2413_SREV_MAJOR:
405         case AR_RAD5413_SREV_MAJOR:
406         case AR_RAD5424_SREV_MAJOR:
407                 break;
408         default:
409                 if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
410                         /*
411                          * When RF_Silent is used, the
412                          * analog chip is reset.  So when the system boots
413                          * up with the radio switch off we cannot determine
414                          * the RF chip rev.  To workaround this check the
415                          * mac+phy revs and if Hainan, set the radio rev
416                          * to Derby.
417                          */
418                         if (AH_PRIVATE(ah)->ah_macVersion == AR_SREV_VERSION_VENICE &&
419                             AH_PRIVATE(ah)->ah_macRev == AR_SREV_HAINAN &&
420                             AH_PRIVATE(ah)->ah_phyRev == AR_PHYREV_HAINAN) {
421                                 AH_PRIVATE(ah)->ah_analog5GhzRev = AR_ANALOG5REV_HAINAN;
422                                 break;
423                         }
424                         if (IS_2413(ah)) {              /* Griffin */
425                                 AH_PRIVATE(ah)->ah_analog5GhzRev =
426                                     AR_RAD2413_SREV_MAJOR | 0x1;
427                                 break;
428                         }
429                         if (IS_5413(ah)) {              /* Eagle */     
430                                 AH_PRIVATE(ah)->ah_analog5GhzRev =
431                                     AR_RAD5413_SREV_MAJOR | 0x2;
432                                 break;
433                         }
434                         if (IS_2425(ah) || IS_2417(ah)) {/* Swan or Nala */     
435                                 AH_PRIVATE(ah)->ah_analog5GhzRev =
436                                     AR_RAD5424_SREV_MAJOR | 0x2;
437                                 break;
438                         }
439                 }
440 #ifdef AH_DEBUG
441                 HALDEBUG(ah, HAL_DEBUG_ANY,
442                     "%s: 5G Radio Chip Rev 0x%02X is not supported by "
443                     "this driver\n",
444                     __func__, AH_PRIVATE(ah)->ah_analog5GhzRev);
445                 ecode = HAL_ENOTSUPP;
446                 goto bad;
447 #endif
448         }
449         if (IS_RAD5112_REV1(ah)) {
450                 HALDEBUG(ah, HAL_DEBUG_ANY,
451                     "%s: 5112 Rev 1 is not supported by this "
452                     "driver (analog5GhzRev 0x%x)\n", __func__,
453                     AH_PRIVATE(ah)->ah_analog5GhzRev);
454                 ecode = HAL_ENOTSUPP;
455                 goto bad;
456         }
457
458         val = OS_REG_READ(ah, AR_PCICFG);
459         val = MS(val, AR_PCICFG_EEPROM_SIZE);
460         if (val == 0) {
461                 if (!AH_PRIVATE(ah)->ah_ispcie) {
462                         HALDEBUG(ah, HAL_DEBUG_ANY,
463                             "%s: unsupported EEPROM size %u (0x%x) found\n",
464                             __func__, val, val);
465                         ecode = HAL_EESIZE;
466                         goto bad;
467                 }
468                 /* XXX AH_PRIVATE(ah)->ah_isPciExpress = AH_TRUE; */
469         } else if (val != AR_PCICFG_EEPROM_SIZE_16K) {
470                 if (AR_PCICFG_EEPROM_SIZE_FAILED == val) {
471                         HALDEBUG(ah, HAL_DEBUG_ANY,
472                             "%s: unsupported EEPROM size %u (0x%x) found\n",
473                             __func__, val, val);
474                         ecode = HAL_EESIZE;
475                         goto bad;
476                 }
477                 HALDEBUG(ah, HAL_DEBUG_ANY,
478                     "%s: EEPROM size = %d. Must be %d (16k).\n",
479                     __func__, val, AR_PCICFG_EEPROM_SIZE_16K);
480                 ecode = HAL_EESIZE;
481                 goto bad;
482         }
483         ecode = ath_hal_legacyEepromAttach(ah);
484         if (ecode != HAL_OK) {
485                 goto bad;
486         }
487         ahp->ah_isHb63 = IS_2425(ah) && ath_hal_eepromGetFlag(ah, AR_EEP_ISTALON);
488
489         /*
490          * If Bmode and AR5212, verify 2.4 analog exists
491          */
492         if (ath_hal_eepromGetFlag(ah, AR_EEP_BMODE) &&
493             (AH_PRIVATE(ah)->ah_analog5GhzRev & 0xF0) == AR_RAD5111_SREV_MAJOR) {
494                 /*
495                  * Set correct Baseband to analog shift
496                  * setting to access analog chips.
497                  */
498                 OS_REG_WRITE(ah, AR_PHY(0), 0x00004007);
499                 OS_DELAY(2000);
500                 AH_PRIVATE(ah)->ah_analog2GhzRev = ar5212GetRadioRev(ah);
501
502                 /* Set baseband for 5GHz chip */
503                 OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
504                 OS_DELAY(2000);
505                 if ((AH_PRIVATE(ah)->ah_analog2GhzRev & 0xF0) != AR_RAD2111_SREV_MAJOR) {
506                         HALDEBUG(ah, HAL_DEBUG_ANY,
507                             "%s: 2G Radio Chip Rev 0x%02X is not "
508                             "supported by this driver\n", __func__,
509                             AH_PRIVATE(ah)->ah_analog2GhzRev);
510                         ecode = HAL_ENOTSUPP;
511                         goto bad;
512                 }
513         }
514
515         ecode = ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, &eeval);
516         if (ecode != HAL_OK) {
517                 HALDEBUG(ah, HAL_DEBUG_ANY,
518                     "%s: cannot read regulatory domain from EEPROM\n",
519                     __func__);
520                 goto bad;
521         }
522         AH_PRIVATE(ah)->ah_currentRD = eeval;
523         /* XXX record serial number */
524
525         /*
526          * Got everything we need now to setup the capabilities.
527          */
528         if (!ar5212FillCapabilityInfo(ah)) {
529                 HALDEBUG(ah, HAL_DEBUG_ANY,
530                     "%s: failed ar5212FillCapabilityInfo\n", __func__);
531                 ecode = HAL_EEREAD;
532                 goto bad;
533         }
534
535         if (!rf->attach(ah, &ecode)) {
536                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
537                     __func__, ecode);
538                 goto bad;
539         }
540         /*
541          * Set noise floor adjust method; we arrange a
542          * direct call instead of thunking.
543          */
544         AH_PRIVATE(ah)->ah_getNfAdjust = ahp->ah_rfHal->getNfAdjust;
545
546         /* Initialize gain ladder thermal calibration structure */
547         ar5212InitializeGainValues(ah);
548
549         ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
550         if (ecode != HAL_OK) {
551                 HALDEBUG(ah, HAL_DEBUG_ANY,
552                     "%s: error getting mac address from EEPROM\n", __func__);
553                 goto bad;
554         }
555
556         ar5212AniSetup(ah);
557         /* Setup of Radar/AR structures happens in ath_hal_initchannels*/
558         ar5212InitNfCalHistBuffer(ah);
559
560         /* XXX EAR stuff goes here */
561
562         HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
563
564         return ah;
565
566 bad:
567         if (ahp)
568                 ar5212Detach((struct ath_hal *) ahp);
569         if (status)
570                 *status = ecode;
571         return AH_NULL;
572 #undef AH_EEPROM_PROTECT
573 }
574
575 void
576 ar5212Detach(struct ath_hal *ah)
577 {
578         HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s:\n", __func__);
579
580         HALASSERT(ah != AH_NULL);
581         HALASSERT(ah->ah_magic == AR5212_MAGIC);
582
583         ar5212AniDetach(ah);
584         ar5212RfDetach(ah);
585         ar5212Disable(ah);
586         ar5212SetPowerMode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
587
588         ath_hal_eepromDetach(ah);
589         ath_hal_free(ah);
590 }
591
592 HAL_BOOL
593 ar5212ChipTest(struct ath_hal *ah)
594 {
595         uint32_t regAddr[2] = { AR_STA_ID0, AR_PHY_BASE+(8 << 2) };
596         uint32_t regHold[2];
597         uint32_t patternData[4] =
598             { 0x55555555, 0xaaaaaaaa, 0x66666666, 0x99999999 };
599         int i, j;
600
601         /* Test PHY & MAC registers */
602         for (i = 0; i < 2; i++) {
603                 uint32_t addr = regAddr[i];
604                 uint32_t wrData, rdData;
605
606                 regHold[i] = OS_REG_READ(ah, addr);
607                 for (j = 0; j < 0x100; j++) {
608                         wrData = (j << 16) | j;
609                         OS_REG_WRITE(ah, addr, wrData);
610                         rdData = OS_REG_READ(ah, addr);
611                         if (rdData != wrData) {
612                                 HALDEBUG(ah, HAL_DEBUG_ANY,
613 "%s: address test failed addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
614                                 __func__, addr, wrData, rdData);
615                                 return AH_FALSE;
616                         }
617                 }
618                 for (j = 0; j < 4; j++) {
619                         wrData = patternData[j];
620                         OS_REG_WRITE(ah, addr, wrData);
621                         rdData = OS_REG_READ(ah, addr);
622                         if (wrData != rdData) {
623                                 HALDEBUG(ah, HAL_DEBUG_ANY,
624 "%s: address test failed addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
625                                         __func__, addr, wrData, rdData);
626                                 return AH_FALSE;
627                         }
628                 }
629                 OS_REG_WRITE(ah, regAddr[i], regHold[i]);
630         }
631         OS_DELAY(100);
632         return AH_TRUE;
633 }
634
635 /*
636  * Store the channel edges for the requested operational mode
637  */
638 HAL_BOOL
639 ar5212GetChannelEdges(struct ath_hal *ah,
640         uint16_t flags, uint16_t *low, uint16_t *high)
641 {
642         if (flags & IEEE80211_CHAN_5GHZ) {
643                 *low = 4915;
644                 *high = 6100;
645                 return AH_TRUE;
646         }
647         if ((flags & IEEE80211_CHAN_2GHZ) &&
648             (ath_hal_eepromGetFlag(ah, AR_EEP_BMODE) ||
649              ath_hal_eepromGetFlag(ah, AR_EEP_GMODE))) {
650                 *low = 2312;
651                 *high = 2732;
652                 return AH_TRUE;
653         }
654         return AH_FALSE;
655 }
656
657 /*
658  * Disable PLL when in L0s as well as receiver clock when in L1.
659  * This power saving option must be enabled through the Serdes.
660  *
661  * Programming the Serdes must go through the same 288 bit serial shift
662  * register as the other analog registers.  Hence the 9 writes.
663  *
664  * XXX Clean up the magic numbers.
665  */
666 static void
667 ar5212ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore)
668 {
669         OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
670         OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
671
672         /* RX shut off when elecidle is asserted */
673         OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x28000039);
674         OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x53160824);
675         OS_REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980579);
676                                                                                            
677         /* Shut off PLL and CLKREQ active in L1 */
678         OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x001defff);
679         OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
680         OS_REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
681         OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x000e3007);
682                                                                                            
683         /* Load the new settings */
684         OS_REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
685 }
686
687 static void
688 ar5212DisablePCIE(struct ath_hal *ah)
689 {
690         /* NB: fill in for 9100 */
691 }
692
693 /*
694  * Fill all software cached or static hardware state information.
695  * Return failure if capabilities are to come from EEPROM and
696  * cannot be read.
697  */
698 HAL_BOOL
699 ar5212FillCapabilityInfo(struct ath_hal *ah)
700 {
701 #define AR_KEYTABLE_SIZE        128
702 #define IS_GRIFFIN_LITE(ah) \
703     (AH_PRIVATE(ah)->ah_macVersion == AR_SREV_VERSION_GRIFFIN && \
704      AH_PRIVATE(ah)->ah_macRev == AR_SREV_GRIFFIN_LITE)
705 #define IS_COBRA(ah) \
706     (AH_PRIVATE(ah)->ah_macVersion == AR_SREV_VERSION_COBRA)
707 #define IS_2112(ah) \
708         ((AH_PRIVATE(ah)->ah_analog5GhzRev & 0xF0) == AR_RAD2112_SREV_MAJOR)
709
710         struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
711         HAL_CAPABILITIES *pCap = &ahpriv->ah_caps;
712         uint16_t capField, val;
713
714         /* Read the capability EEPROM location */
715         if (ath_hal_eepromGet(ah, AR_EEP_OPCAP, &capField) != HAL_OK) {
716                 HALDEBUG(ah, HAL_DEBUG_ANY,
717                     "%s: unable to read caps from eeprom\n", __func__);
718                 return AH_FALSE;
719         }
720         if (IS_2112(ah))
721                 ath_hal_eepromSet(ah, AR_EEP_AMODE, AH_FALSE);
722         if (capField == 0 && IS_GRIFFIN_LITE(ah)) {
723                 /*
724                  * For griffin-lite cards with unprogrammed capabilities.
725                  */
726                 ath_hal_eepromSet(ah, AR_EEP_COMPRESS, AH_FALSE);
727                 ath_hal_eepromSet(ah, AR_EEP_FASTFRAME, AH_FALSE);
728                 ath_hal_eepromSet(ah, AR_EEP_TURBO5DISABLE, AH_TRUE);
729                 ath_hal_eepromSet(ah, AR_EEP_TURBO2DISABLE, AH_TRUE);
730                 HALDEBUG(ah, HAL_DEBUG_ATTACH,
731                     "%s: override caps for griffin-lite, now 0x%x (+!turbo)\n",
732                     __func__, capField);
733         }
734
735         /* Modify reg domain on newer cards that need to work with older sw */
736         if (ahpriv->ah_opmode != HAL_M_HOSTAP &&
737             ahpriv->ah_subvendorid == AR_SUBVENDOR_ID_NEW_A) {
738                 if (ahpriv->ah_currentRD == 0x64 ||
739                     ahpriv->ah_currentRD == 0x65)
740                         ahpriv->ah_currentRD += 5;
741                 else if (ahpriv->ah_currentRD == 0x41)
742                         ahpriv->ah_currentRD = 0x43;
743                 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: regdomain mapped to 0x%x\n",
744                     __func__, ahpriv->ah_currentRD);
745         }
746
747         if (AH_PRIVATE(ah)->ah_macVersion == AR_SREV_2417 ||
748             AH_PRIVATE(ah)->ah_macVersion == AR_SREV_2425) {
749                 HALDEBUG(ah, HAL_DEBUG_ATTACH,
750                     "%s: enable Bmode and disable turbo for Swan/Nala\n",
751                     __func__);
752                 ath_hal_eepromSet(ah, AR_EEP_BMODE, AH_TRUE);
753                 ath_hal_eepromSet(ah, AR_EEP_COMPRESS, AH_FALSE);
754                 ath_hal_eepromSet(ah, AR_EEP_FASTFRAME, AH_FALSE);
755                 ath_hal_eepromSet(ah, AR_EEP_TURBO5DISABLE, AH_TRUE);
756                 ath_hal_eepromSet(ah, AR_EEP_TURBO2DISABLE, AH_TRUE);
757         }
758
759         /* Construct wireless mode from EEPROM */
760         pCap->halWirelessModes = 0;
761         if (ath_hal_eepromGetFlag(ah, AR_EEP_AMODE)) {
762                 pCap->halWirelessModes |= HAL_MODE_11A;
763                 if (!ath_hal_eepromGetFlag(ah, AR_EEP_TURBO5DISABLE))
764                         pCap->halWirelessModes |= HAL_MODE_TURBO;
765         }
766         if (ath_hal_eepromGetFlag(ah, AR_EEP_BMODE))
767                 pCap->halWirelessModes |= HAL_MODE_11B;
768         if (ath_hal_eepromGetFlag(ah, AR_EEP_GMODE) &&
769             ahpriv->ah_subvendorid != AR_SUBVENDOR_ID_NOG) {
770                 pCap->halWirelessModes |= HAL_MODE_11G;
771                 if (!ath_hal_eepromGetFlag(ah, AR_EEP_TURBO2DISABLE))
772                         pCap->halWirelessModes |= HAL_MODE_108G;
773         }
774
775         pCap->halLow2GhzChan = 2312;
776         /* XXX 2417 too? */
777         if (IS_RAD5112_ANY(ah) || IS_5413(ah) || IS_2425(ah) ||  IS_2417(ah))
778                 pCap->halHigh2GhzChan = 2500;
779         else
780                 pCap->halHigh2GhzChan = 2732;
781
782         pCap->halLow5GhzChan = 4915;
783         pCap->halHigh5GhzChan = 6100;
784
785         pCap->halCipherCkipSupport = AH_FALSE;
786         pCap->halCipherTkipSupport = AH_TRUE;
787         pCap->halCipherAesCcmSupport =
788                 (ath_hal_eepromGetFlag(ah, AR_EEP_AES) &&
789                  ((AH_PRIVATE(ah)->ah_macVersion > AR_SREV_VERSION_VENICE) ||
790                   ((AH_PRIVATE(ah)->ah_macVersion == AR_SREV_VERSION_VENICE) &&
791                    (AH_PRIVATE(ah)->ah_macRev >= AR_SREV_VERSION_OAHU))));
792
793         pCap->halMicCkipSupport    = AH_FALSE;
794         pCap->halMicTkipSupport    = AH_TRUE;
795         pCap->halMicAesCcmSupport  = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
796         /*
797          * Starting with Griffin TX+RX mic keys can be combined
798          * in one key cache slot.
799          */
800         if (AH_PRIVATE(ah)->ah_macVersion >= AR_SREV_VERSION_GRIFFIN)
801                 pCap->halTkipMicTxRxKeySupport = AH_TRUE;
802         else
803                 pCap->halTkipMicTxRxKeySupport = AH_FALSE;
804         pCap->halChanSpreadSupport = AH_TRUE;
805         pCap->halSleepAfterBeaconBroken = AH_TRUE;
806
807         if (ahpriv->ah_macRev > 1 || IS_COBRA(ah)) {
808                 pCap->halCompressSupport   =
809                         ath_hal_eepromGetFlag(ah, AR_EEP_COMPRESS) &&
810                         (pCap->halWirelessModes & (HAL_MODE_11A|HAL_MODE_11G)) != 0;
811                 pCap->halBurstSupport = ath_hal_eepromGetFlag(ah, AR_EEP_BURST);
812                 pCap->halFastFramesSupport =
813                         ath_hal_eepromGetFlag(ah, AR_EEP_FASTFRAME) &&
814                         (pCap->halWirelessModes & (HAL_MODE_11A|HAL_MODE_11G)) != 0;
815                 pCap->halChapTuningSupport = AH_TRUE;
816                 pCap->halTurboPrimeSupport = AH_TRUE;
817         }
818         pCap->halTurboGSupport = pCap->halWirelessModes & HAL_MODE_108G;
819
820         pCap->halPSPollBroken = AH_TRUE;        /* XXX fixed in later revs? */
821         pCap->halVEOLSupport = AH_TRUE;
822         pCap->halBssIdMaskSupport = AH_TRUE;
823         pCap->halMcastKeySrchSupport = AH_TRUE;
824         if ((ahpriv->ah_macVersion == AR_SREV_VERSION_VENICE &&
825              ahpriv->ah_macRev == 8) ||
826             ahpriv->ah_macVersion > AR_SREV_VERSION_VENICE)
827                 pCap->halTsfAddSupport = AH_TRUE;
828
829         if (ath_hal_eepromGet(ah, AR_EEP_MAXQCU, &val) == HAL_OK)
830                 pCap->halTotalQueues = val;
831         else
832                 pCap->halTotalQueues = HAL_NUM_TX_QUEUES;
833
834         if (ath_hal_eepromGet(ah, AR_EEP_KCENTRIES, &val) == HAL_OK)
835                 pCap->halKeyCacheSize = val;
836         else
837                 pCap->halKeyCacheSize = AR_KEYTABLE_SIZE;
838
839         pCap->halChanHalfRate = AH_TRUE;
840         pCap->halChanQuarterRate = AH_TRUE;
841
842         if (ath_hal_eepromGetFlag(ah, AR_EEP_RFKILL) &&
843             ath_hal_eepromGet(ah, AR_EEP_RFSILENT, &ahpriv->ah_rfsilent) == HAL_OK) {
844                 /* NB: enabled by default */
845                 ahpriv->ah_rfkillEnabled = AH_TRUE;
846                 pCap->halRfSilentSupport = AH_TRUE;
847         }
848
849         /* NB: this is a guess, noone seems to know the answer */
850         ahpriv->ah_rxornIsFatal =
851             (AH_PRIVATE(ah)->ah_macVersion < AR_SREV_VERSION_VENICE);
852
853         /* enable features that first appeared in Hainan */
854         if ((AH_PRIVATE(ah)->ah_macVersion == AR_SREV_VERSION_VENICE &&
855              AH_PRIVATE(ah)->ah_macRev == AR_SREV_HAINAN) ||
856             AH_PRIVATE(ah)->ah_macVersion > AR_SREV_VERSION_VENICE) {
857                 /* h/w phy counters */
858                 pCap->halHwPhyCounterSupport = AH_TRUE;
859                 /* bssid match disable */
860                 pCap->halBssidMatchSupport = AH_TRUE;
861         }
862
863         pCap->halTstampPrecision = 15;
864         pCap->halIntrMask = HAL_INT_COMMON
865                         | HAL_INT_RX
866                         | HAL_INT_TX
867                         | HAL_INT_FATAL
868                         | HAL_INT_BNR
869                         | HAL_INT_BMISC
870                         ;
871         if (AH_PRIVATE(ah)->ah_macVersion < AR_SREV_VERSION_GRIFFIN)
872                 pCap->halIntrMask &= ~HAL_INT_TBTT;
873
874         pCap->hal4kbSplitTransSupport = AH_TRUE;
875         pCap->halHasRxSelfLinkedTail = AH_TRUE;
876
877         return AH_TRUE;
878 #undef IS_COBRA
879 #undef IS_GRIFFIN_LITE
880 #undef AR_KEYTABLE_SIZE
881 }
882
883 static const char*
884 ar5212Probe(uint16_t vendorid, uint16_t devid)
885 {
886         if (vendorid == ATHEROS_VENDOR_ID ||
887             vendorid == ATHEROS_3COM_VENDOR_ID ||
888             vendorid == ATHEROS_3COM2_VENDOR_ID) {
889                 switch (devid) {
890                 case AR5212_FPGA:
891                         return "Atheros 5212 (FPGA)";
892                 case AR5212_DEVID:
893                 case AR5212_DEVID_IBM:
894                 case AR5212_DEFAULT:
895                         return "Atheros 5212";
896                 case AR5212_AR2413:
897                         return "Atheros 2413";
898                 case AR5212_AR2417:
899                         return "Atheros 2417";
900                 case AR5212_AR5413:
901                         return "Atheros 5413";
902                 case AR5212_AR5424:
903                         return "Atheros 5424/2424";
904                 }
905         }
906         return AH_NULL;
907 }
908 AH_CHIP(AR5212, ar5212Probe, ar5212Attach);