sys/dev/ath/ath_hal/ar5210/ar5210_attach.c

   1 /*
   2  * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
   3  * Copyright (c) 2002-2004 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  * $Id: ar5210_attach.c,v 1.9 2008/11/11 02:40:13 sam Exp $
  18  */
  19 #include "opt_ah.h"
  20
  21 #include "ah.h"
  22 #include "ah_internal.h"
  23 #include "ah_devid.h"
  24
  25 #include "ar5210/ar5210.h"
  26 #include "ar5210/ar5210reg.h"
  27 #include "ar5210/ar5210phy.h"
  28
  29 #include "ah_eeprom_v1.h"
  30
  31 static  HAL_BOOL ar5210GetChannelEdges(struct ath_hal *,
  32                 uint16_t flags, uint16_t *low, uint16_t *high);
  33 static  HAL_BOOL ar5210GetChipPowerLimits(struct ath_hal *ah,
  34                 HAL_CHANNEL *chans, uint32_t nchans);
  35
  36 static const struct ath_hal_private ar5210hal = {{
  37         .ah_magic                       = AR5210_MAGIC,
  38         .ah_abi                         = HAL_ABI_VERSION,
  39         .ah_countryCode                 = CTRY_DEFAULT,
  40
  41         .ah_getRateTable                = ar5210GetRateTable,
  42         .ah_detach                      = ar5210Detach,
  43
  44         /* Reset Functions */
  45         .ah_reset                       = ar5210Reset,
  46         .ah_phyDisable                  = ar5210PhyDisable,
  47         .ah_disable                     = ar5210Disable,
  48         .ah_setPCUConfig                = ar5210SetPCUConfig,
  49         .ah_perCalibration              = ar5210PerCalibration,
  50         .ah_perCalibrationN             = ar5210PerCalibrationN,
  51         .ah_resetCalValid               = ar5210ResetCalValid,
  52         .ah_setTxPowerLimit             = ar5210SetTxPowerLimit,
  53         .ah_getChanNoise                = ath_hal_getChanNoise,
  54
  55         /* Transmit functions */
  56         .ah_updateTxTrigLevel           = ar5210UpdateTxTrigLevel,
  57         .ah_setupTxQueue                = ar5210SetupTxQueue,
  58         .ah_setTxQueueProps             = ar5210SetTxQueueProps,
  59         .ah_getTxQueueProps             = ar5210GetTxQueueProps,
  60         .ah_releaseTxQueue              = ar5210ReleaseTxQueue,
  61         .ah_resetTxQueue                = ar5210ResetTxQueue,
  62         .ah_getTxDP                     = ar5210GetTxDP,
  63         .ah_setTxDP                     = ar5210SetTxDP,
  64         .ah_numTxPending                = ar5210NumTxPending,
  65         .ah_startTxDma                  = ar5210StartTxDma,
  66         .ah_stopTxDma                   = ar5210StopTxDma,
  67         .ah_setupTxDesc                 = ar5210SetupTxDesc,
  68         .ah_setupXTxDesc                = ar5210SetupXTxDesc,
  69         .ah_fillTxDesc                  = ar5210FillTxDesc,
  70         .ah_procTxDesc                  = ar5210ProcTxDesc,
  71         .ah_getTxIntrQueue              = ar5210GetTxIntrQueue,
  72         .ah_reqTxIntrDesc               = ar5210IntrReqTxDesc,
  73
  74         /* RX Functions */
  75         .ah_getRxDP                     = ar5210GetRxDP,
  76         .ah_setRxDP                     = ar5210SetRxDP,
  77         .ah_enableReceive               = ar5210EnableReceive,
  78         .ah_stopDmaReceive              = ar5210StopDmaReceive,
  79         .ah_startPcuReceive             = ar5210StartPcuReceive,
  80         .ah_stopPcuReceive              = ar5210StopPcuReceive,
  81         .ah_setMulticastFilter          = ar5210SetMulticastFilter,
  82         .ah_setMulticastFilterIndex     = ar5210SetMulticastFilterIndex,
  83         .ah_clrMulticastFilterIndex     = ar5210ClrMulticastFilterIndex,
  84         .ah_getRxFilter                 = ar5210GetRxFilter,
  85         .ah_setRxFilter                 = ar5210SetRxFilter,
  86         .ah_setupRxDesc                 = ar5210SetupRxDesc,
  87         .ah_procRxDesc                  = ar5210ProcRxDesc,
  88         .ah_rxMonitor                   = ar5210AniPoll,
  89         .ah_procMibEvent                = ar5210MibEvent,
  90
  91         /* Misc Functions */
  92         .ah_getCapability               = ar5210GetCapability,
  93         .ah_setCapability               = ar5210SetCapability,
  94         .ah_getDiagState                = ar5210GetDiagState,
  95         .ah_getMacAddress               = ar5210GetMacAddress,
  96         .ah_setMacAddress               = ar5210SetMacAddress,
  97         .ah_getBssIdMask                = ar5210GetBssIdMask,
  98         .ah_setBssIdMask                = ar5210SetBssIdMask,
  99         .ah_setRegulatoryDomain         = ar5210SetRegulatoryDomain,
 100         .ah_setLedState                 = ar5210SetLedState,
 101         .ah_writeAssocid                = ar5210WriteAssocid,
 102         .ah_gpioCfgInput                = ar5210GpioCfgInput,
 103         .ah_gpioCfgOutput               = ar5210GpioCfgOutput,
 104         .ah_gpioGet                     = ar5210GpioGet,
 105         .ah_gpioSet                     = ar5210GpioSet,
 106         .ah_gpioSetIntr                 = ar5210Gpio0SetIntr,
 107         .ah_getTsf32                    = ar5210GetTsf32,
 108         .ah_getTsf64                    = ar5210GetTsf64,
 109         .ah_resetTsf                    = ar5210ResetTsf,
 110         .ah_detectCardPresent           = ar5210DetectCardPresent,
 111         .ah_updateMibCounters           = ar5210UpdateMibCounters,
 112         .ah_getRfGain                   = ar5210GetRfgain,
 113         .ah_getDefAntenna               = ar5210GetDefAntenna,
 114         .ah_setDefAntenna               = ar5210SetDefAntenna,
 115         .ah_getAntennaSwitch            = ar5210GetAntennaSwitch,
 116         .ah_setAntennaSwitch            = ar5210SetAntennaSwitch,
 117         .ah_setSifsTime                 = ar5210SetSifsTime,
 118         .ah_getSifsTime                 = ar5210GetSifsTime,
 119         .ah_setSlotTime                 = ar5210SetSlotTime,
 120         .ah_getSlotTime                 = ar5210GetSlotTime,
 121         .ah_setAckTimeout               = ar5210SetAckTimeout,
 122         .ah_getAckTimeout               = ar5210GetAckTimeout,
 123         .ah_setAckCTSRate               = ar5210SetAckCTSRate,
 124         .ah_getAckCTSRate               = ar5210GetAckCTSRate,
 125         .ah_setCTSTimeout               = ar5210SetCTSTimeout,
 126         .ah_getCTSTimeout               = ar5210GetCTSTimeout,
 127         .ah_setDecompMask               = ar5210SetDecompMask,
 128         .ah_setCoverageClass            = ar5210SetCoverageClass,
 129
 130         /* Key Cache Functions */
 131         .ah_getKeyCacheSize             = ar5210GetKeyCacheSize,
 132         .ah_resetKeyCacheEntry          = ar5210ResetKeyCacheEntry,
 133         .ah_isKeyCacheEntryValid        = ar5210IsKeyCacheEntryValid,
 134         .ah_setKeyCacheEntry            = ar5210SetKeyCacheEntry,
 135         .ah_setKeyCacheEntryMac         = ar5210SetKeyCacheEntryMac,
 136
 137         /* Power Management Functions */
 138         .ah_setPowerMode                = ar5210SetPowerMode,
 139         .ah_getPowerMode                = ar5210GetPowerMode,
 140
 141         /* Beacon Functions */
 142         .ah_setBeaconTimers             = ar5210SetBeaconTimers,
 143         .ah_beaconInit                  = ar5210BeaconInit,
 144         .ah_setStationBeaconTimers      = ar5210SetStaBeaconTimers,
 145         .ah_resetStationBeaconTimers    = ar5210ResetStaBeaconTimers,
 146
 147         /* Interrupt Functions */
 148         .ah_isInterruptPending          = ar5210IsInterruptPending,
 149         .ah_getPendingInterrupts        = ar5210GetPendingInterrupts,
 150         .ah_getInterrupts               = ar5210GetInterrupts,
 151         .ah_setInterrupts               = ar5210SetInterrupts },
 152
 153         .ah_getChannelEdges             = ar5210GetChannelEdges,
 154         .ah_getWirelessModes            = ar5210GetWirelessModes,
 155         .ah_eepromRead                  = ar5210EepromRead,
 156 #ifdef AH_SUPPORT_WRITE_EEPROM
 157         .ah_eepromWrite                 = ar5210EepromWrite,
 158 #endif
 159         .ah_gpioCfgInput                = ar5210GpioCfgInput,
 160         .ah_gpioCfgOutput               = ar5210GpioCfgOutput,
 161         .ah_gpioGet                     = ar5210GpioGet,
 162         .ah_gpioSet                     = ar5210GpioSet,
 163         .ah_gpioSetIntr                 = ar5210Gpio0SetIntr,
 164         .ah_getChipPowerLimits          = ar5210GetChipPowerLimits,
 165 };
 166
 167 static HAL_BOOL ar5210FillCapabilityInfo(struct ath_hal *ah);
 168
 169 /*
 170  * Attach for an AR5210 part.
 171  */
 172 static struct ath_hal *
 173 ar5210Attach(uint16_t devid, HAL_SOFTC sc, HAL_BUS_TAG st, HAL_BUS_HANDLE sh,
 174         HAL_STATUS *status)
 175 {
 176 #define N(a)    (sizeof(a)/sizeof(a[0]))
 177         struct ath_hal_5210 *ahp;
 178         struct ath_hal *ah;
 179         uint32_t revid, pcicfg;
 180         uint16_t eeval;
 181         HAL_STATUS ecode;
 182         int i;
 183
 184         HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH,
 185             "%s: devid 0x%x sc %p st %p sh %p\n", __func__, devid,
 186             sc, (void*) st, (void*) sh);
 187
 188         /* NB: memory is returned zero'd */
 189         ahp = ath_hal_malloc(sizeof (struct ath_hal_5210));
 190         if (ahp == AH_NULL) {
 191                 HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
 192                     "%s: no memory for state block\n", __func__);
 193                 ecode = HAL_ENOMEM;
 194                 goto bad;
 195         }
 196         ah = &ahp->ah_priv.h;
 197         /* set initial values */
 198         OS_MEMCPY(&ahp->ah_priv, &ar5210hal, sizeof(struct ath_hal_private));
 199         ah->ah_sc = sc;
 200         ah->ah_st = st;
 201         ah->ah_sh = sh;
 202
 203         ah->ah_devid = devid;                   /* NB: for AH_DEBUG_ALQ */
 204         AH_PRIVATE(ah)->ah_devid = devid;
 205         AH_PRIVATE(ah)->ah_subvendorid = 0;     /* XXX */
 206
 207         AH_PRIVATE(ah)->ah_powerLimit = AR5210_MAX_RATE_POWER;
 208         AH_PRIVATE(ah)->ah_tpScale = HAL_TP_SCALE_MAX;  /* no scaling */
 209
 210         ahp->ah_powerMode = HAL_PM_UNDEFINED;
 211         ahp->ah_staId1Defaults = 0;
 212         ahp->ah_rssiThr = INIT_RSSI_THR;
 213         ahp->ah_sifstime = (u_int) -1;
 214         ahp->ah_slottime = (u_int) -1;
 215         ahp->ah_acktimeout = (u_int) -1;
 216         ahp->ah_ctstimeout = (u_int) -1;
 217
 218         if (!ar5210ChipReset(ah, AH_NULL)) {    /* reset chip */
 219                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n",
 220                     __func__);
 221                 ecode = HAL_EIO;
 222                 goto bad;
 223         }
 224
 225         /* Read Revisions from Chips */
 226         AH_PRIVATE(ah)->ah_macVersion = 1;
 227         AH_PRIVATE(ah)->ah_macRev = OS_REG_READ(ah, AR_SREV) & 0xff;
 228         AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIPID);
 229         AH_PRIVATE(ah)->ah_analog2GhzRev = 0;
 230
 231         /* Read Radio Chip Rev Extract */
 232         OS_REG_WRITE(ah, (AR_PHY_BASE + (0x34 << 2)), 0x00001c16);
 233         for (i = 0; i < 4; i++)
 234                 OS_REG_WRITE(ah, (AR_PHY_BASE + (0x20 << 2)), 0x00010000);
 235         revid = (OS_REG_READ(ah, AR_PHY_BASE + (256 << 2)) >> 28) & 0xf;
 236
 237         /* Chip labelling is 1 greater than revision register for AR5110 */
 238         AH_PRIVATE(ah)->ah_analog5GhzRev = ath_hal_reverseBits(revid, 4) + 1;
 239
 240         /*
 241          * Read all the settings from the EEPROM and stash
 242          * ones we'll use later.
 243          */
 244         pcicfg = OS_REG_READ(ah, AR_PCICFG);
 245         OS_REG_WRITE(ah, AR_PCICFG, pcicfg | AR_PCICFG_EEPROMSEL);
 246         ecode = ath_hal_v1EepromAttach(ah);
 247         if (ecode != HAL_OK) {
 248                 goto eebad;
 249         }
 250         ecode = ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, &eeval);
 251         if (ecode != HAL_OK) {
 252                 HALDEBUG(ah, HAL_DEBUG_ANY,
 253                     "%s: cannot read regulatory domain from EEPROM\n",
 254                     __func__);
 255                 goto eebad;
 256         }
 257         AH_PRIVATE(ah)->ah_currentRD = eeval;
 258         ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
 259         if (ecode != HAL_OK) {
 260                 HALDEBUG(ah, HAL_DEBUG_ANY,
 261                     "%s: error getting mac address from EEPROM\n", __func__);
 262                 goto eebad;
 263         }
 264         OS_REG_WRITE(ah, AR_PCICFG, pcicfg);    /* disable EEPROM access */
 265
 266         AH_PRIVATE(ah)->ah_getNfAdjust = ar5210GetNfAdjust;
 267
 268         /*
 269          * Got everything we need now to setup the capabilities.
 270          */
 271         (void) ar5210FillCapabilityInfo(ah);
 272
 273         HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
 274
 275         return ah;
 276 eebad:
 277         OS_REG_WRITE(ah, AR_PCICFG, pcicfg);    /* disable EEPROM access */
 278 bad:
 279         if (ahp)
 280                 ath_hal_free(ahp);
 281         if (status)
 282                 *status = ecode;
 283         return AH_NULL;
 284 #undef N
 285 }
 286
 287 void
 288 ar5210Detach(struct ath_hal *ah)
 289 {
 290         HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s:\n", __func__);
 291
 292         HALASSERT(ah != AH_NULL);
 293         HALASSERT(ah->ah_magic == AR5210_MAGIC);
 294
 295         ath_hal_eepromDetach(ah);
 296         ath_hal_free(ah);
 297 }
 298
 299 /*
 300  * Store the channel edges for the requested operational mode
 301  */
 302 static HAL_BOOL
 303 ar5210GetChannelEdges(struct ath_hal *ah,
 304         uint16_t flags, uint16_t *low, uint16_t *high)
 305 {
 306         if (flags & CHANNEL_5GHZ) {
 307                 *low = 5120;
 308                 *high = 5430;
 309                 return AH_TRUE;
 310         } else {
 311                 return AH_FALSE;
 312         }
 313 }
 314
 315 static HAL_BOOL
 316 ar5210GetChipPowerLimits(struct ath_hal *ah, HAL_CHANNEL *chans, uint32_t nchans)
 317 {
 318         HAL_CHANNEL *chan;
 319         int i;
 320
 321         /* XXX fill in, this is just a placeholder */
 322         for (i = 0; i < nchans; i++) {
 323                 chan = &chans[i];
 324                 HALDEBUG(ah, HAL_DEBUG_ATTACH,
 325                     "%s: no min/max power for %u/0x%x\n",
 326                     __func__, chan->channel, chan->channelFlags);
 327                 chan->maxTxPower = AR5210_MAX_RATE_POWER;
 328                 chan->minTxPower = 0;
 329         }
 330         return AH_TRUE;
 331 }
 332
 333 /*
 334  * Fill all software cached or static hardware state information.
 335  */
 336 static HAL_BOOL
 337 ar5210FillCapabilityInfo(struct ath_hal *ah)
 338 {
 339         struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
 340         HAL_CAPABILITIES *pCap = &ahpriv->ah_caps;
 341
 342         pCap->halWirelessModes |= HAL_MODE_11A;
 343
 344         pCap->halLow5GhzChan = 5120;
 345         pCap->halHigh5GhzChan = 5430;
 346
 347         pCap->halSleepAfterBeaconBroken = AH_TRUE;
 348         pCap->halPSPollBroken = AH_FALSE;
 349
 350         pCap->halTotalQueues = HAL_NUM_TX_QUEUES;
 351         pCap->halKeyCacheSize = 64;
 352
 353         /* XXX not needed */
 354         pCap->halChanHalfRate = AH_FALSE;
 355         pCap->halChanQuarterRate = AH_FALSE;
 356
 357         if (ath_hal_eepromGetFlag(ah, AR_EEP_RFKILL)) {
 358                 /*
 359                  * Setup initial rfsilent settings based on the EEPROM
 360                  * contents.  Pin 0, polarity 0 is fixed; record this
 361                  * using the EEPROM format found in later parts.
 362                  */
 363                 ahpriv->ah_rfsilent = SM(0, AR_EEPROM_RFSILENT_GPIO_SEL)
 364                                     | SM(0, AR_EEPROM_RFSILENT_POLARITY);
 365                 ahpriv->ah_rfkillEnabled = AH_TRUE;
 366                 pCap->halRfSilentSupport = AH_TRUE;
 367         }
 368
 369         pCap->halTstampPrecision = 15;          /* NB: s/w extended from 13 */
 370
 371         ahpriv->ah_rxornIsFatal = AH_TRUE;
 372         return AH_TRUE;
 373 }
 374
 375 static const char*
 376 ar5210Probe(uint16_t vendorid, uint16_t devid)
 377 {
 378         if (vendorid == ATHEROS_VENDOR_ID &&
 379             (devid == AR5210_PROD || devid == AR5210_DEFAULT))
 380                 return "Atheros 5210";
 381         return AH_NULL;
 382 }
 383 AH_CHIP(AR5210, ar5210Probe, ar5210Attach);