sys/dev/netif/ath/hal/ath_hal/ar5212/ar2317.c

   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  * $Id: ar2317.c,v 1.8 2008/11/15 22:15:46 sam Exp $
  18  */
  19 #include "opt_ah.h"
  20
  21 #include "ah.h"
  22 #include "ah_internal.h"
  23
  24 #include "ar5212/ar5212.h"
  25 #include "ar5212/ar5212reg.h"
  26 #include "ar5212/ar5212phy.h"
  27
  28 #include "ah_eeprom_v3.h"
  29
  30 #define AH_5212_2317
  31 #include "ar5212/ar5212.ini"
  32
  33 #define N(a)    (sizeof(a)/sizeof(a[0]))
  34
  35 typedef RAW_DATA_STRUCT_2413 RAW_DATA_STRUCT_2317;
  36 typedef RAW_DATA_PER_CHANNEL_2413 RAW_DATA_PER_CHANNEL_2317;
  37 #define PWR_TABLE_SIZE_2317 PWR_TABLE_SIZE_2413
  38
  39 struct ar2317State {
  40         RF_HAL_FUNCS    base;           /* public state, must be first */
  41         uint16_t        pcdacTable[PWR_TABLE_SIZE_2317];
  42
  43         uint32_t        Bank1Data[N(ar5212Bank1_2317)];
  44         uint32_t        Bank2Data[N(ar5212Bank2_2317)];
  45         uint32_t        Bank3Data[N(ar5212Bank3_2317)];
  46         uint32_t        Bank6Data[N(ar5212Bank6_2317)];
  47         uint32_t        Bank7Data[N(ar5212Bank7_2317)];
  48
  49         /*
  50          * Private state for reduced stack usage.
  51          */
  52         /* filled out Vpd table for all pdGains (chanL) */
  53         uint16_t vpdTable_L[MAX_NUM_PDGAINS_PER_CHANNEL]
  54                             [MAX_PWR_RANGE_IN_HALF_DB];
  55         /* filled out Vpd table for all pdGains (chanR) */
  56         uint16_t vpdTable_R[MAX_NUM_PDGAINS_PER_CHANNEL]
  57                             [MAX_PWR_RANGE_IN_HALF_DB];
  58         /* filled out Vpd table for all pdGains (interpolated) */
  59         uint16_t vpdTable_I[MAX_NUM_PDGAINS_PER_CHANNEL]
  60                             [MAX_PWR_RANGE_IN_HALF_DB];
  61 };
  62 #define AR2317(ah)      ((struct ar2317State *) AH5212(ah)->ah_rfHal)
  63
  64 extern  void ar5212ModifyRfBuffer(uint32_t *rfBuf, uint32_t reg32,
  65                 uint32_t numBits, uint32_t firstBit, uint32_t column);
  66
  67 static void
  68 ar2317WriteRegs(struct ath_hal *ah, u_int modesIndex, u_int freqIndex,
  69         int writes)
  70 {
  71         HAL_INI_WRITE_ARRAY(ah, ar5212Modes_2317, modesIndex, writes);
  72         HAL_INI_WRITE_ARRAY(ah, ar5212Common_2317, 1, writes);
  73         HAL_INI_WRITE_ARRAY(ah, ar5212BB_RfGain_2317, freqIndex, writes);
  74 }
  75
  76 /*
  77  * Take the MHz channel value and set the Channel value
  78  *
  79  * ASSUMES: Writes enabled to analog bus
  80  */
  81 static HAL_BOOL
  82 ar2317SetChannel(struct ath_hal *ah,  HAL_CHANNEL_INTERNAL *chan)
  83 {
  84         uint32_t channelSel  = 0;
  85         uint32_t bModeSynth  = 0;
  86         uint32_t aModeRefSel = 0;
  87         uint32_t reg32       = 0;
  88
  89         OS_MARK(ah, AH_MARK_SETCHANNEL, chan->channel);
  90
  91         if (chan->channel < 4800) {
  92                 uint32_t txctl;
  93                 channelSel = chan->channel - 2272 ;
  94                 channelSel = ath_hal_reverseBits(channelSel, 8);
  95
  96                 txctl = OS_REG_READ(ah, AR_PHY_CCK_TX_CTRL);
  97                 if (chan->channel == 2484) {
  98                         /* Enable channel spreading for channel 14 */
  99                         OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
 100                                 txctl | AR_PHY_CCK_TX_CTRL_JAPAN);
 101                 } else {
 102                         OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
 103                                 txctl &~ AR_PHY_CCK_TX_CTRL_JAPAN);
 104                 }
 105         } else if ((chan->channel % 20) == 0 && chan->channel >= 5120) {
 106                 channelSel = ath_hal_reverseBits(
 107                         ((chan->channel - 4800) / 20 << 2), 8);
 108                 aModeRefSel = ath_hal_reverseBits(3, 2);
 109         } else if ((chan->channel % 10) == 0) {
 110                 channelSel = ath_hal_reverseBits(
 111                         ((chan->channel - 4800) / 10 << 1), 8);
 112                 aModeRefSel = ath_hal_reverseBits(2, 2);
 113         } else if ((chan->channel % 5) == 0) {
 114                 channelSel = ath_hal_reverseBits(
 115                         (chan->channel - 4800) / 5, 8);
 116                 aModeRefSel = ath_hal_reverseBits(1, 2);
 117         } else {
 118                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel %u MHz\n",
 119                     __func__, chan->channel);
 120                 return AH_FALSE;
 121         }
 122
 123         reg32 = (channelSel << 4) | (aModeRefSel << 2) | (bModeSynth << 1) |
 124                         (1 << 12) | 0x1;
 125         OS_REG_WRITE(ah, AR_PHY(0x27), reg32 & 0xff);
 126
 127         reg32 >>= 8;
 128         OS_REG_WRITE(ah, AR_PHY(0x36), reg32 & 0x7f);
 129
 130         AH_PRIVATE(ah)->ah_curchan = chan;
 131         return AH_TRUE;
 132 }
 133
 134 /*
 135  * Reads EEPROM header info from device structure and programs
 136  * all rf registers
 137  *
 138  * REQUIRES: Access to the analog rf device
 139  */
 140 static HAL_BOOL
 141 ar2317SetRfRegs(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan, uint16_t modesIndex, uint16_t *rfXpdGain)
 142 {
 143 #define RF_BANK_SETUP(_priv, _ix, _col) do {                                \
 144         int i;                                                              \
 145         for (i = 0; i < N(ar5212Bank##_ix##_2317); i++)                     \
 146                 (_priv)->Bank##_ix##Data[i] = ar5212Bank##_ix##_2317[i][_col];\
 147 } while (0)
 148         struct ath_hal_5212 *ahp = AH5212(ah);
 149         const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;
 150         uint16_t ob2GHz = 0, db2GHz = 0;
 151         struct ar2317State *priv = AR2317(ah);
 152         int regWrites = 0;
 153
 154         HALDEBUG(ah, HAL_DEBUG_RFPARAM,
 155             "%s: chan 0x%x flag 0x%x modesIndex 0x%x\n",
 156             __func__, chan->channel, chan->channelFlags, modesIndex);
 157
 158         HALASSERT(priv);
 159
 160         /* Setup rf parameters */
 161         switch (chan->channelFlags & CHANNEL_ALL) {
 162         case CHANNEL_B:
 163                 ob2GHz = ee->ee_obFor24;
 164                 db2GHz = ee->ee_dbFor24;
 165                 break;
 166         case CHANNEL_G:
 167         case CHANNEL_108G:
 168                 ob2GHz = ee->ee_obFor24g;
 169                 db2GHz = ee->ee_dbFor24g;
 170                 break;
 171         default:
 172                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel flags 0x%x\n",
 173                     __func__, chan->channelFlags);
 174                 return AH_FALSE;
 175         }
 176
 177         /* Bank 1 Write */
 178         RF_BANK_SETUP(priv, 1, 1);
 179
 180         /* Bank 2 Write */
 181         RF_BANK_SETUP(priv, 2, modesIndex);
 182
 183         /* Bank 3 Write */
 184         RF_BANK_SETUP(priv, 3, modesIndex);
 185
 186         /* Bank 6 Write */
 187         RF_BANK_SETUP(priv, 6, modesIndex);
 188
 189         ar5212ModifyRfBuffer(priv->Bank6Data, ob2GHz,   3, 193, 0);
 190         ar5212ModifyRfBuffer(priv->Bank6Data, db2GHz,   3, 190, 0);
 191
 192         /* Bank 7 Setup */
 193         RF_BANK_SETUP(priv, 7, modesIndex);
 194
 195         /* Write Analog registers */
 196         HAL_INI_WRITE_BANK(ah, ar5212Bank1_2317, priv->Bank1Data, regWrites);
 197         HAL_INI_WRITE_BANK(ah, ar5212Bank2_2317, priv->Bank2Data, regWrites);
 198         HAL_INI_WRITE_BANK(ah, ar5212Bank3_2317, priv->Bank3Data, regWrites);
 199         HAL_INI_WRITE_BANK(ah, ar5212Bank6_2317, priv->Bank6Data, regWrites);
 200         HAL_INI_WRITE_BANK(ah, ar5212Bank7_2317, priv->Bank7Data, regWrites);
 201         /* Now that we have reprogrammed rfgain value, clear the flag. */
 202         ahp->ah_rfgainState = HAL_RFGAIN_INACTIVE;
 203
 204         return AH_TRUE;
 205 #undef  RF_BANK_SETUP
 206 }
 207
 208 /*
 209  * Return a reference to the requested RF Bank.
 210  */
 211 static uint32_t *
 212 ar2317GetRfBank(struct ath_hal *ah, int bank)
 213 {
 214         struct ar2317State *priv = AR2317(ah);
 215
 216         HALASSERT(priv != AH_NULL);
 217         switch (bank) {
 218         case 1: return priv->Bank1Data;
 219         case 2: return priv->Bank2Data;
 220         case 3: return priv->Bank3Data;
 221         case 6: return priv->Bank6Data;
 222         case 7: return priv->Bank7Data;
 223         }
 224         HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unknown RF Bank %d requested\n",
 225             __func__, bank);
 226         return AH_NULL;
 227 }
 228
 229 /*
 230  * Return indices surrounding the value in sorted integer lists.
 231  *
 232  * NB: the input list is assumed to be sorted in ascending order
 233  */
 234 static void
 235 GetLowerUpperIndex(int16_t v, const uint16_t *lp, uint16_t listSize,
 236                           uint32_t *vlo, uint32_t *vhi)
 237 {
 238         int16_t target = v;
 239         const int16_t *ep = lp+listSize;
 240         const int16_t *tp;
 241
 242         /*
 243          * Check first and last elements for out-of-bounds conditions.
 244          */
 245         if (target < lp[0]) {
 246                 *vlo = *vhi = 0;
 247                 return;
 248         }
 249         if (target >= ep[-1]) {
 250                 *vlo = *vhi = listSize - 1;
 251                 return;
 252         }
 253
 254         /* look for value being near or between 2 values in list */
 255         for (tp = lp; tp < ep; tp++) {
 256                 /*
 257                  * If value is close to the current value of the list
 258                  * then target is not between values, it is one of the values
 259                  */
 260                 if (*tp == target) {
 261                         *vlo = *vhi = tp - (const int16_t *) lp;
 262                         return;
 263                 }
 264                 /*
 265                  * Look for value being between current value and next value
 266                  * if so return these 2 values
 267                  */
 268                 if (target < tp[1]) {
 269                         *vlo = tp - (const int16_t *) lp;
 270                         *vhi = *vlo + 1;
 271                         return;
 272                 }
 273         }
 274 }
 275
 276 /*
 277  * Fill the Vpdlist for indices Pmax-Pmin
 278  */
 279 static HAL_BOOL
 280 ar2317FillVpdTable(uint32_t pdGainIdx, int16_t Pmin, int16_t  Pmax,
 281                    const int16_t *pwrList, const int16_t *VpdList,
 282                    uint16_t numIntercepts, uint16_t retVpdList[][64])
 283 {
 284         uint16_t ii, jj, kk;
 285         int16_t currPwr = (int16_t)(2*Pmin);
 286         /* since Pmin is pwr*2 and pwrList is 4*pwr */
 287         uint32_t  idxL, idxR;
 288
 289         ii = 0;
 290         jj = 0;
 291
 292         if (numIntercepts < 2)
 293                 return AH_FALSE;
 294
 295         while (ii <= (uint16_t)(Pmax - Pmin)) {
 296                 GetLowerUpperIndex(currPwr, pwrList, numIntercepts,
 297                                          &(idxL), &(idxR));
 298                 if (idxR < 1)
 299                         idxR = 1;                       /* extrapolate below */
 300                 if (idxL == (uint32_t)(numIntercepts - 1))
 301                         idxL = numIntercepts - 2;       /* extrapolate above */
 302                 if (pwrList[idxL] == pwrList[idxR])
 303                         kk = VpdList[idxL];
 304                 else
 305                         kk = (uint16_t)
 306                                 (((currPwr - pwrList[idxL])*VpdList[idxR]+
 307                                   (pwrList[idxR] - currPwr)*VpdList[idxL])/
 308                                  (pwrList[idxR] - pwrList[idxL]));
 309                 retVpdList[pdGainIdx][ii] = kk;
 310                 ii++;
 311                 currPwr += 2;                           /* half dB steps */
 312         }
 313
 314         return AH_TRUE;
 315 }
 316
 317 /*
 318  * Returns interpolated or the scaled up interpolated value
 319  */
 320 static int16_t
 321 interpolate_signed(uint16_t target, uint16_t srcLeft, uint16_t srcRight,
 322         int16_t targetLeft, int16_t targetRight)
 323 {
 324         int16_t rv;
 325
 326         if (srcRight != srcLeft) {
 327                 rv = ((target - srcLeft)*targetRight +
 328                       (srcRight - target)*targetLeft) / (srcRight - srcLeft);
 329         } else {
 330                 rv = targetLeft;
 331         }
 332         return rv;
 333 }
 334
 335 /*
 336  * Uses the data points read from EEPROM to reconstruct the pdadc power table
 337  * Called by ar2317SetPowerTable()
 338  */
 339 static int
 340 ar2317getGainBoundariesAndPdadcsForPowers(struct ath_hal *ah, uint16_t channel,
 341                 const RAW_DATA_STRUCT_2317 *pRawDataset,
 342                 uint16_t pdGainOverlap_t2,
 343                 int16_t  *pMinCalPower, uint16_t pPdGainBoundaries[],
 344                 uint16_t pPdGainValues[], uint16_t pPDADCValues[])
 345 {
 346         struct ar2317State *priv = AR2317(ah);
 347 #define VpdTable_L      priv->vpdTable_L
 348 #define VpdTable_R      priv->vpdTable_R
 349 #define VpdTable_I      priv->vpdTable_I
 350         /* XXX excessive stack usage? */
 351         uint32_t ii, jj, kk;
 352         int32_t ss;/* potentially -ve index for taking care of pdGainOverlap */
 353         uint32_t idxL, idxR;
 354         uint32_t numPdGainsUsed = 0;
 355         /*
 356          * If desired to support -ve power levels in future, just
 357          * change pwr_I_0 to signed 5-bits.
 358          */
 359         int16_t Pmin_t2[MAX_NUM_PDGAINS_PER_CHANNEL];
 360         /* to accomodate -ve power levels later on. */
 361         int16_t Pmax_t2[MAX_NUM_PDGAINS_PER_CHANNEL];
 362         /* to accomodate -ve power levels later on */
 363         uint16_t numVpd = 0;
 364         uint16_t Vpd_step;
 365         int16_t tmpVal ;
 366         uint32_t sizeCurrVpdTable, maxIndex, tgtIndex;
 367
 368         /* Get upper lower index */
 369         GetLowerUpperIndex(channel, pRawDataset->pChannels,
 370                                  pRawDataset->numChannels, &(idxL), &(idxR));
 371
 372         for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) {
 373                 jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1;
 374                 /* work backwards 'cause highest pdGain for lowest power */
 375                 numVpd = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].numVpd;
 376                 if (numVpd > 0) {
 377                         pPdGainValues[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pd_gain;
 378                         Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0];
 379                         if (Pmin_t2[numPdGainsUsed] >pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]) {
 380                                 Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0];
 381                         }
 382                         Pmin_t2[numPdGainsUsed] = (int16_t)
 383                                 (Pmin_t2[numPdGainsUsed] / 2);
 384                         Pmax_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[numVpd-1];
 385                         if (Pmax_t2[numPdGainsUsed] > pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1])
 386                                 Pmax_t2[numPdGainsUsed] =
 387                                         pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1];
 388                         Pmax_t2[numPdGainsUsed] = (int16_t)(Pmax_t2[numPdGainsUsed] / 2);
 389                         ar2317FillVpdTable(
 390                                            numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed],
 391                                            &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]),
 392                                            &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_L
 393                                            );
 394                         ar2317FillVpdTable(
 395                                            numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed],
 396                                            &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]),
 397                                            &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_R
 398                                            );
 399                         for (kk = 0; kk < (uint16_t)(Pmax_t2[numPdGainsUsed] - Pmin_t2[numPdGainsUsed]); kk++) {
 400                                 VpdTable_I[numPdGainsUsed][kk] =
 401                                         interpolate_signed(
 402                                                            channel, pRawDataset->pChannels[idxL], pRawDataset->pChannels[idxR],
 403                                                            (int16_t)VpdTable_L[numPdGainsUsed][kk], (int16_t)VpdTable_R[numPdGainsUsed][kk]);
 404                         }
 405                         /* fill VpdTable_I for this pdGain */
 406                         numPdGainsUsed++;
 407                 }
 408                 /* if this pdGain is used */
 409         }
 410
 411         *pMinCalPower = Pmin_t2[0];
 412         kk = 0; /* index for the final table */
 413         for (ii = 0; ii < numPdGainsUsed; ii++) {
 414                 if (ii == (numPdGainsUsed - 1))
 415                         pPdGainBoundaries[ii] = Pmax_t2[ii] +
 416                                 PD_GAIN_BOUNDARY_STRETCH_IN_HALF_DB;
 417                 else
 418                         pPdGainBoundaries[ii] = (uint16_t)
 419                                 ((Pmax_t2[ii] + Pmin_t2[ii+1]) / 2 );
 420                 if (pPdGainBoundaries[ii] > 63) {
 421                         HALDEBUG(ah, HAL_DEBUG_ANY,
 422                             "%s: clamp pPdGainBoundaries[%d] %d\n",
 423                            __func__, ii, pPdGainBoundaries[ii]);/*XXX*/
 424                         pPdGainBoundaries[ii] = 63;
 425                 }
 426
 427                 /* Find starting index for this pdGain */
 428                 if (ii == 0)
 429                         ss = 0; /* for the first pdGain, start from index 0 */
 430                 else
 431                         ss = (pPdGainBoundaries[ii-1] - Pmin_t2[ii]) -
 432                                 pdGainOverlap_t2;
 433                 Vpd_step = (uint16_t)(VpdTable_I[ii][1] - VpdTable_I[ii][0]);
 434                 Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step);
 435                 /*
 436                  *-ve ss indicates need to extrapolate data below for this pdGain
 437                  */
 438                 while (ss < 0) {
 439                         tmpVal = (int16_t)(VpdTable_I[ii][0] + ss*Vpd_step);
 440                         pPDADCValues[kk++] = (uint16_t)((tmpVal < 0) ? 0 : tmpVal);
 441                         ss++;
 442                 }
 443
 444                 sizeCurrVpdTable = Pmax_t2[ii] - Pmin_t2[ii];
 445                 tgtIndex = pPdGainBoundaries[ii] + pdGainOverlap_t2 - Pmin_t2[ii];
 446                 maxIndex = (tgtIndex < sizeCurrVpdTable) ? tgtIndex : sizeCurrVpdTable;
 447
 448                 while (ss < (int16_t)maxIndex)
 449                         pPDADCValues[kk++] = VpdTable_I[ii][ss++];
 450
 451                 Vpd_step = (uint16_t)(VpdTable_I[ii][sizeCurrVpdTable-1] -
 452                                        VpdTable_I[ii][sizeCurrVpdTable-2]);
 453                 Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step);
 454                 /*
 455                  * for last gain, pdGainBoundary == Pmax_t2, so will
 456                  * have to extrapolate
 457                  */
 458                 if (tgtIndex > maxIndex) {      /* need to extrapolate above */
 459                         while(ss < (int16_t)tgtIndex) {
 460                                 tmpVal = (uint16_t)
 461                                         (VpdTable_I[ii][sizeCurrVpdTable-1] +
 462                                          (ss-maxIndex)*Vpd_step);
 463                                 pPDADCValues[kk++] = (tmpVal > 127) ?
 464                                         127 : tmpVal;
 465                                 ss++;
 466                         }
 467                 }                               /* extrapolated above */
 468         }                                       /* for all pdGainUsed */
 469
 470         while (ii < MAX_NUM_PDGAINS_PER_CHANNEL) {
 471                 pPdGainBoundaries[ii] = pPdGainBoundaries[ii-1];
 472                 ii++;
 473         }
 474         while (kk < 128) {
 475                 pPDADCValues[kk] = pPDADCValues[kk-1];
 476                 kk++;
 477         }
 478
 479         return numPdGainsUsed;
 480 #undef VpdTable_L
 481 #undef VpdTable_R
 482 #undef VpdTable_I
 483 }
 484
 485 static HAL_BOOL
 486 ar2317SetPowerTable(struct ath_hal *ah,
 487         int16_t *minPower, int16_t *maxPower, HAL_CHANNEL_INTERNAL *chan,
 488         uint16_t *rfXpdGain)
 489 {
 490         struct ath_hal_5212 *ahp = AH5212(ah);
 491         const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;
 492         const RAW_DATA_STRUCT_2317 *pRawDataset = AH_NULL;
 493         uint16_t pdGainOverlap_t2;
 494         int16_t minCalPower2317_t2;
 495         uint16_t *pdadcValues = ahp->ah_pcdacTable;
 496         uint16_t gainBoundaries[4];
 497         uint32_t reg32, regoffset;
 498         int i, numPdGainsUsed;
 499 #ifndef AH_USE_INIPDGAIN
 500         uint32_t tpcrg1;
 501 #endif
 502
 503         HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan 0x%x flag 0x%x\n",
 504             __func__, chan->channel,chan->channelFlags);
 505
 506         if (IS_CHAN_G(chan) || IS_CHAN_108G(chan))
 507                 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G];
 508         else if (IS_CHAN_B(chan))
 509                 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B];
 510         else {
 511                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: illegal mode\n", __func__);
 512                 return AH_FALSE;
 513         }
 514
 515         pdGainOverlap_t2 = (uint16_t) SM(OS_REG_READ(ah, AR_PHY_TPCRG5),
 516                                           AR_PHY_TPCRG5_PD_GAIN_OVERLAP);
 517
 518         numPdGainsUsed = ar2317getGainBoundariesAndPdadcsForPowers(ah,
 519                 chan->channel, pRawDataset, pdGainOverlap_t2,
 520                 &minCalPower2317_t2,gainBoundaries, rfXpdGain, pdadcValues);
 521         HALASSERT(1 <= numPdGainsUsed && numPdGainsUsed <= 3);
 522
 523 #ifdef AH_USE_INIPDGAIN
 524         /*
 525          * Use pd_gains curve from eeprom; Atheros always uses
 526          * the default curve from the ini file but some vendors
 527          * (e.g. Zcomax) want to override this curve and not
 528          * honoring their settings results in tx power 5dBm low.
 529          */
 530         OS_REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN,
 531                          (pRawDataset->pDataPerChannel[0].numPdGains - 1));
 532 #else
 533         tpcrg1 = OS_REG_READ(ah, AR_PHY_TPCRG1);
 534         tpcrg1 = (tpcrg1 &~ AR_PHY_TPCRG1_NUM_PD_GAIN)
 535                   | SM(numPdGainsUsed-1, AR_PHY_TPCRG1_NUM_PD_GAIN);
 536         switch (numPdGainsUsed) {
 537         case 3:
 538                 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING3;
 539                 tpcrg1 |= SM(rfXpdGain[2], AR_PHY_TPCRG1_PDGAIN_SETTING3);
 540                 /* fall thru... */
 541         case 2:
 542                 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING2;
 543                 tpcrg1 |= SM(rfXpdGain[1], AR_PHY_TPCRG1_PDGAIN_SETTING2);
 544                 /* fall thru... */
 545         case 1:
 546                 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING1;
 547                 tpcrg1 |= SM(rfXpdGain[0], AR_PHY_TPCRG1_PDGAIN_SETTING1);
 548                 break;
 549         }
 550 #ifdef AH_DEBUG
 551         if (tpcrg1 != OS_REG_READ(ah, AR_PHY_TPCRG1))
 552                 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: using non-default "
 553                     "pd_gains (default 0x%x, calculated 0x%x)\n",
 554                     __func__, OS_REG_READ(ah, AR_PHY_TPCRG1), tpcrg1);
 555 #endif
 556         OS_REG_WRITE(ah, AR_PHY_TPCRG1, tpcrg1);
 557 #endif
 558
 559         /*
 560          * Note the pdadc table may not start at 0 dBm power, could be
 561          * negative or greater than 0.  Need to offset the power
 562          * values by the amount of minPower for griffin
 563          */
 564         if (minCalPower2317_t2 != 0)
 565                 ahp->ah_txPowerIndexOffset = (int16_t)(0 - minCalPower2317_t2);
 566         else
 567                 ahp->ah_txPowerIndexOffset = 0;
 568
 569         /* Finally, write the power values into the baseband power table */
 570         regoffset = 0x9800 + (672 <<2); /* beginning of pdadc table in griffin */
 571         for (i = 0; i < 32; i++) {
 572                 reg32 = ((pdadcValues[4*i + 0] & 0xFF) << 0)  |
 573                         ((pdadcValues[4*i + 1] & 0xFF) << 8)  |
 574                         ((pdadcValues[4*i + 2] & 0xFF) << 16) |
 575                         ((pdadcValues[4*i + 3] & 0xFF) << 24) ;
 576                 OS_REG_WRITE(ah, regoffset, reg32);
 577                 regoffset += 4;
 578         }
 579
 580         OS_REG_WRITE(ah, AR_PHY_TPCRG5,
 581                      SM(pdGainOverlap_t2, AR_PHY_TPCRG5_PD_GAIN_OVERLAP) |
 582                      SM(gainBoundaries[0], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1) |
 583                      SM(gainBoundaries[1], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2) |
 584                      SM(gainBoundaries[2], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3) |
 585                      SM(gainBoundaries[3], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4));
 586
 587         return AH_TRUE;
 588 }
 589
 590 static int16_t
 591 ar2317GetMinPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2317 *data)
 592 {
 593         uint32_t ii,jj;
 594         uint16_t Pmin=0,numVpd;
 595
 596         for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) {
 597                 jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1;
 598                 /* work backwards 'cause highest pdGain for lowest power */
 599                 numVpd = data->pDataPerPDGain[jj].numVpd;
 600                 if (numVpd > 0) {
 601                         Pmin = data->pDataPerPDGain[jj].pwr_t4[0];
 602                         return(Pmin);
 603                 }
 604         }
 605         return(Pmin);
 606 }
 607
 608 static int16_t
 609 ar2317GetMaxPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2317 *data)
 610 {
 611         uint32_t ii;
 612         uint16_t Pmax=0,numVpd;
 613         uint16_t vpdmax;
 614
 615         for (ii=0; ii< MAX_NUM_PDGAINS_PER_CHANNEL; ii++) {
 616                 /* work forwards cuase lowest pdGain for highest power */
 617                 numVpd = data->pDataPerPDGain[ii].numVpd;
 618                 if (numVpd > 0) {
 619                         Pmax = data->pDataPerPDGain[ii].pwr_t4[numVpd-1];
 620                         vpdmax = data->pDataPerPDGain[ii].Vpd[numVpd-1];
 621                         return(Pmax);
 622                 }
 623         }
 624         return(Pmax);
 625 }
 626
 627 static HAL_BOOL
 628 ar2317GetChannelMaxMinPower(struct ath_hal *ah, HAL_CHANNEL *chan,
 629         int16_t *maxPow, int16_t *minPow)
 630 {
 631         const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;
 632         const RAW_DATA_STRUCT_2317 *pRawDataset = AH_NULL;
 633         const RAW_DATA_PER_CHANNEL_2317 *data=AH_NULL;
 634         uint16_t numChannels;
 635         int totalD,totalF, totalMin,last, i;
 636
 637         *maxPow = 0;
 638
 639         if (IS_CHAN_G(chan) || IS_CHAN_108G(chan))
 640                 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G];
 641         else if (IS_CHAN_B(chan))
 642                 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B];
 643         else
 644                 return(AH_FALSE);
 645
 646         numChannels = pRawDataset->numChannels;
 647         data = pRawDataset->pDataPerChannel;
 648
 649         /* Make sure the channel is in the range of the TP values
 650          *  (freq piers)
 651          */
 652         if (numChannels < 1)
 653                 return(AH_FALSE);
 654
 655         if ((chan->channel < data[0].channelValue) ||
 656             (chan->channel > data[numChannels-1].channelValue)) {
 657                 if (chan->channel < data[0].channelValue) {
 658                         *maxPow = ar2317GetMaxPower(ah, &data[0]);
 659                         *minPow = ar2317GetMinPower(ah, &data[0]);
 660                         return(AH_TRUE);
 661                 } else {
 662                         *maxPow = ar2317GetMaxPower(ah, &data[numChannels - 1]);
 663                         *minPow = ar2317GetMinPower(ah, &data[numChannels - 1]);
 664                         return(AH_TRUE);
 665                 }
 666         }
 667
 668         /* Linearly interpolate the power value now */
 669         for (last=0,i=0; (i<numChannels) && (chan->channel > data[i].channelValue);
 670              last = i++);
 671         totalD = data[i].channelValue - data[last].channelValue;
 672         if (totalD > 0) {
 673                 totalF = ar2317GetMaxPower(ah, &data[i]) - ar2317GetMaxPower(ah, &data[last]);
 674                 *maxPow = (int8_t) ((totalF*(chan->channel-data[last].channelValue) +
 675                                      ar2317GetMaxPower(ah, &data[last])*totalD)/totalD);
 676                 totalMin = ar2317GetMinPower(ah, &data[i]) - ar2317GetMinPower(ah, &data[last]);
 677                 *minPow = (int8_t) ((totalMin*(chan->channel-data[last].channelValue) +
 678                                      ar2317GetMinPower(ah, &data[last])*totalD)/totalD);
 679                 return(AH_TRUE);
 680         } else {
 681                 if (chan->channel == data[i].channelValue) {
 682                         *maxPow = ar2317GetMaxPower(ah, &data[i]);
 683                         *minPow = ar2317GetMinPower(ah, &data[i]);
 684                         return(AH_TRUE);
 685                 } else
 686                         return(AH_FALSE);
 687         }
 688 }
 689
 690 /*
 691  * Free memory for analog bank scratch buffers
 692  */
 693 static void
 694 ar2317RfDetach(struct ath_hal *ah)
 695 {
 696         struct ath_hal_5212 *ahp = AH5212(ah);
 697
 698         HALASSERT(ahp->ah_rfHal != AH_NULL);
 699         ath_hal_free(ahp->ah_rfHal);
 700         ahp->ah_rfHal = AH_NULL;
 701 }
 702
 703 /*
 704  * Allocate memory for analog bank scratch buffers
 705  * Scratch Buffer will be reinitialized every reset so no need to zero now
 706  */
 707 static HAL_BOOL
 708 ar2317RfAttach(struct ath_hal *ah, HAL_STATUS *status)
 709 {
 710         struct ath_hal_5212 *ahp = AH5212(ah);
 711         struct ar2317State *priv;
 712
 713         HALASSERT(ah->ah_magic == AR5212_MAGIC);
 714
 715         HALASSERT(ahp->ah_rfHal == AH_NULL);
 716         priv = ath_hal_malloc(sizeof(struct ar2317State));
 717         if (priv == AH_NULL) {
 718                 HALDEBUG(ah, HAL_DEBUG_ANY,
 719                     "%s: cannot allocate private state\n", __func__);
 720                 *status = HAL_ENOMEM;           /* XXX */
 721                 return AH_FALSE;
 722         }
 723         priv->base.rfDetach             = ar2317RfDetach;
 724         priv->base.writeRegs            = ar2317WriteRegs;
 725         priv->base.getRfBank            = ar2317GetRfBank;
 726         priv->base.setChannel           = ar2317SetChannel;
 727         priv->base.setRfRegs            = ar2317SetRfRegs;
 728         priv->base.setPowerTable        = ar2317SetPowerTable;
 729         priv->base.getChannelMaxMinPower = ar2317GetChannelMaxMinPower;
 730         priv->base.getNfAdjust          = ar5212GetNfAdjust;
 731
 732         ahp->ah_pcdacTable = priv->pcdacTable;
 733         ahp->ah_pcdacTableSize = sizeof(priv->pcdacTable);
 734         ahp->ah_rfHal = &priv->base;
 735
 736         return AH_TRUE;
 737 }
 738
 739 static HAL_BOOL
 740 ar2317Probe(struct ath_hal *ah)
 741 {
 742         return IS_2317(ah);
 743 }
 744 AH_RF(RF2317, ar2317Probe, ar2317RfAttach);