2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
3 * Copyright (c) 2002-2008 Atheros Communications, Inc.
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.
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.
22 #include "ah_internal.h"
24 #include "ar5212/ar5212.h"
25 #include "ar5212/ar5212reg.h"
26 #include "ar5212/ar5212phy.h"
28 #include "ah_eeprom_v3.h"
32 #include "ar5212/ar5212.ini"
34 #define N(a) (sizeof(a)/sizeof(a[0]))
37 RF_HAL_FUNCS base; /* public state, must be first */
38 uint16_t pcdacTable[PWR_TABLE_SIZE_2413];
40 uint32_t Bank1Data[N(ar5212Bank1_2425)];
41 uint32_t Bank2Data[N(ar5212Bank2_2425)];
42 uint32_t Bank3Data[N(ar5212Bank3_2425)];
43 uint32_t Bank6Data[N(ar5212Bank6_2425)]; /* 2417 is same size */
44 uint32_t Bank7Data[N(ar5212Bank7_2425)];
46 #define AR2425(ah) ((struct ar2425State *) AH5212(ah)->ah_rfHal)
48 extern void ar5212ModifyRfBuffer(uint32_t *rfBuf, uint32_t reg32,
49 uint32_t numBits, uint32_t firstBit, uint32_t column);
52 ar2425WriteRegs(struct ath_hal *ah, u_int modesIndex, u_int freqIndex,
55 HAL_INI_WRITE_ARRAY(ah, ar5212Modes_2425, modesIndex, writes);
56 HAL_INI_WRITE_ARRAY(ah, ar5212Common_2425, 1, writes);
57 HAL_INI_WRITE_ARRAY(ah, ar5212BB_RfGain_2425, freqIndex, writes);
60 * for SWAN similar to Condor
61 * Bit 0 enables link to go to L1 when MAC goes to sleep.
62 * Bit 3 enables the loop back the link down to reset.
64 if (AH_PRIVATE(ah)->ah_ispcie && && ath_hal_pcieL1SKPEnable) {
65 OS_REG_WRITE(ah, AR_PCIE_PMC,
66 AR_PCIE_PMC_ENA_L1 | AR_PCIE_PMC_ENA_RESET);
69 * for Standby issue in Swan/Condor.
70 * Bit 9 (MAC_WOW_PWR_STATE_MASK_D2)to be set to avoid skips
71 * before last Training Sequence 2 (TS2)
72 * Bit 8 (MAC_WOW_PWR_STATE_MASK_D1)to be unset to assert
73 * Power Reset along with PCI Reset
75 OS_REG_SET_BIT(ah, AR_PCIE_PMC, MAC_WOW_PWR_STATE_MASK_D2);
80 * Take the MHz channel value and set the Channel value
82 * ASSUMES: Writes enabled to analog bus
85 ar2425SetChannel(struct ath_hal *ah, const struct ieee80211_channel *chan)
87 uint16_t freq = ath_hal_gethwchannel(ah, chan);
88 uint32_t channelSel = 0;
89 uint32_t bModeSynth = 0;
90 uint32_t aModeRefSel = 0;
93 OS_MARK(ah, AH_MARK_SETCHANNEL, freq);
98 channelSel = freq - 2272;
99 channelSel = ath_hal_reverseBits(channelSel, 8);
101 txctl = OS_REG_READ(ah, AR_PHY_CCK_TX_CTRL);
103 // Enable channel spreading for channel 14
104 OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
105 txctl | AR_PHY_CCK_TX_CTRL_JAPAN);
107 OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
108 txctl &~ AR_PHY_CCK_TX_CTRL_JAPAN);
111 } else if (((freq % 5) == 2) && (freq <= 5435)) {
112 freq = freq - 2; /* Align to even 5MHz raster */
113 channelSel = ath_hal_reverseBits(
114 (uint32_t)(((freq - 4800)*10)/25 + 1), 8);
115 aModeRefSel = ath_hal_reverseBits(0, 2);
116 } else if ((freq % 20) == 0 && freq >= 5120) {
117 channelSel = ath_hal_reverseBits(
118 ((freq - 4800) / 20 << 2), 8);
119 aModeRefSel = ath_hal_reverseBits(1, 2);
120 } else if ((freq % 10) == 0) {
121 channelSel = ath_hal_reverseBits(
122 ((freq - 4800) / 10 << 1), 8);
123 aModeRefSel = ath_hal_reverseBits(1, 2);
124 } else if ((freq % 5) == 0) {
125 channelSel = ath_hal_reverseBits(
126 (freq - 4800) / 5, 8);
127 aModeRefSel = ath_hal_reverseBits(1, 2);
129 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel %u MHz\n",
134 reg32 = (channelSel << 4) | (aModeRefSel << 2) | (bModeSynth << 1) |
136 OS_REG_WRITE(ah, AR_PHY(0x27), reg32 & 0xff);
139 OS_REG_WRITE(ah, AR_PHY(0x36), reg32 & 0x7f);
141 AH_PRIVATE(ah)->ah_curchan = chan;
146 * Reads EEPROM header info from device structure and programs
149 * REQUIRES: Access to the analog rf device
152 ar2425SetRfRegs(struct ath_hal *ah,
153 const struct ieee80211_channel *chan,
154 uint16_t modesIndex, uint16_t *rfXpdGain)
156 #define RF_BANK_SETUP(_priv, _ix, _col) do { \
158 for (i = 0; i < N(ar5212Bank##_ix##_2425); i++) \
159 (_priv)->Bank##_ix##Data[i] = ar5212Bank##_ix##_2425[i][_col];\
161 struct ath_hal_5212 *ahp = AH5212(ah);
162 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;
163 struct ar2425State *priv = AR2425(ah);
164 uint16_t ob2GHz = 0, db2GHz = 0;
167 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan %u/0x%x modesIndex %u\n",
168 __func__, chan->ic_freq, chan->ic_flags, modesIndex);
172 /* Setup rf parameters */
173 if (IEEE80211_IS_CHAN_B(chan)) {
174 ob2GHz = ee->ee_obFor24;
175 db2GHz = ee->ee_dbFor24;
177 ob2GHz = ee->ee_obFor24g;
178 db2GHz = ee->ee_dbFor24g;
182 RF_BANK_SETUP(priv, 1, 1);
185 RF_BANK_SETUP(priv, 2, modesIndex);
188 RF_BANK_SETUP(priv, 3, modesIndex);
191 RF_BANK_SETUP(priv, 6, modesIndex);
193 ar5212ModifyRfBuffer(priv->Bank6Data, ob2GHz, 3, 193, 0);
194 ar5212ModifyRfBuffer(priv->Bank6Data, db2GHz, 3, 190, 0);
197 RF_BANK_SETUP(priv, 7, modesIndex);
199 /* Write Analog registers */
200 HAL_INI_WRITE_BANK(ah, ar5212Bank1_2425, priv->Bank1Data, regWrites);
201 HAL_INI_WRITE_BANK(ah, ar5212Bank2_2425, priv->Bank2Data, regWrites);
202 HAL_INI_WRITE_BANK(ah, ar5212Bank3_2425, priv->Bank3Data, regWrites);
204 HALASSERT(N(ar5212Bank6_2425) == N(ar5212Bank6_2417));
205 HAL_INI_WRITE_BANK(ah, ar5212Bank6_2417, priv->Bank6Data,
208 HAL_INI_WRITE_BANK(ah, ar5212Bank6_2425, priv->Bank6Data,
210 HAL_INI_WRITE_BANK(ah, ar5212Bank7_2425, priv->Bank7Data, regWrites);
212 /* Now that we have reprogrammed rfgain value, clear the flag. */
213 ahp->ah_rfgainState = HAL_RFGAIN_INACTIVE;
215 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "<==%s\n", __func__);
221 * Return a reference to the requested RF Bank.
224 ar2425GetRfBank(struct ath_hal *ah, int bank)
226 struct ar2425State *priv = AR2425(ah);
228 HALASSERT(priv != AH_NULL);
230 case 1: return priv->Bank1Data;
231 case 2: return priv->Bank2Data;
232 case 3: return priv->Bank3Data;
233 case 6: return priv->Bank6Data;
234 case 7: return priv->Bank7Data;
236 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unknown RF Bank %d requested\n",
242 * Return indices surrounding the value in sorted integer lists.
244 * NB: the input list is assumed to be sorted in ascending order
247 GetLowerUpperIndex(int16_t v, const uint16_t *lp, uint16_t listSize,
248 uint32_t *vlo, uint32_t *vhi)
251 const uint16_t *ep = lp+listSize;
255 * Check first and last elements for out-of-bounds conditions.
257 if (target < lp[0]) {
261 if (target >= ep[-1]) {
262 *vlo = *vhi = listSize - 1;
266 /* look for value being near or between 2 values in list */
267 for (tp = lp; tp < ep; tp++) {
269 * If value is close to the current value of the list
270 * then target is not between values, it is one of the values
273 *vlo = *vhi = tp - (const uint16_t *) lp;
277 * Look for value being between current value and next value
278 * if so return these 2 values
280 if (target < tp[1]) {
281 *vlo = tp - (const uint16_t *) lp;
289 * Fill the Vpdlist for indices Pmax-Pmin
292 ar2425FillVpdTable(uint32_t pdGainIdx, int16_t Pmin, int16_t Pmax,
293 const int16_t *pwrList, const uint16_t *VpdList,
294 uint16_t numIntercepts,
295 uint16_t retVpdList[][64])
298 int16_t currPwr = (int16_t)(2*Pmin);
299 /* since Pmin is pwr*2 and pwrList is 4*pwr */
305 if (numIntercepts < 2)
308 while (ii <= (uint16_t)(Pmax - Pmin)) {
309 GetLowerUpperIndex(currPwr, (const uint16_t *) pwrList,
310 numIntercepts, &(idxL), &(idxR));
312 idxR = 1; /* extrapolate below */
313 if (idxL == (uint32_t)(numIntercepts - 1))
314 idxL = numIntercepts - 2; /* extrapolate above */
315 if (pwrList[idxL] == pwrList[idxR])
319 (((currPwr - pwrList[idxL])*VpdList[idxR]+
320 (pwrList[idxR] - currPwr)*VpdList[idxL])/
321 (pwrList[idxR] - pwrList[idxL]));
322 retVpdList[pdGainIdx][ii] = kk;
324 currPwr += 2; /* half dB steps */
331 * Returns interpolated or the scaled up interpolated value
334 interpolate_signed(uint16_t target, uint16_t srcLeft, uint16_t srcRight,
335 int16_t targetLeft, int16_t targetRight)
339 if (srcRight != srcLeft) {
340 rv = ((target - srcLeft)*targetRight +
341 (srcRight - target)*targetLeft) / (srcRight - srcLeft);
349 * Uses the data points read from EEPROM to reconstruct the pdadc power table
350 * Called by ar2425SetPowerTable()
353 ar2425getGainBoundariesAndPdadcsForPowers(struct ath_hal *ah, uint16_t channel,
354 const RAW_DATA_STRUCT_2413 *pRawDataset,
355 uint16_t pdGainOverlap_t2,
356 int16_t *pMinCalPower, uint16_t pPdGainBoundaries[],
357 uint16_t pPdGainValues[], uint16_t pPDADCValues[])
359 /* Note the items statically allocated below are to reduce stack usage */
361 int32_t ss;/* potentially -ve index for taking care of pdGainOverlap */
363 uint32_t numPdGainsUsed = 0;
364 static uint16_t VpdTable_L[MAX_NUM_PDGAINS_PER_CHANNEL][MAX_PWR_RANGE_IN_HALF_DB];
365 /* filled out Vpd table for all pdGains (chanL) */
366 static uint16_t VpdTable_R[MAX_NUM_PDGAINS_PER_CHANNEL][MAX_PWR_RANGE_IN_HALF_DB];
367 /* filled out Vpd table for all pdGains (chanR) */
368 static uint16_t VpdTable_I[MAX_NUM_PDGAINS_PER_CHANNEL][MAX_PWR_RANGE_IN_HALF_DB];
369 /* filled out Vpd table for all pdGains (interpolated) */
371 * If desired to support -ve power levels in future, just
372 * change pwr_I_0 to signed 5-bits.
374 static int16_t Pmin_t2[MAX_NUM_PDGAINS_PER_CHANNEL];
375 /* to accomodate -ve power levels later on. */
376 static int16_t Pmax_t2[MAX_NUM_PDGAINS_PER_CHANNEL];
377 /* to accomodate -ve power levels later on */
381 uint32_t sizeCurrVpdTable, maxIndex, tgtIndex;
383 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "==>%s:\n", __func__);
385 /* Get upper lower index */
386 GetLowerUpperIndex(channel, pRawDataset->pChannels,
387 pRawDataset->numChannels, &(idxL), &(idxR));
389 for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) {
390 jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1;
391 /* work backwards 'cause highest pdGain for lowest power */
392 numVpd = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].numVpd;
394 pPdGainValues[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pd_gain;
395 Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0];
396 if (Pmin_t2[numPdGainsUsed] >pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]) {
397 Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0];
399 Pmin_t2[numPdGainsUsed] = (int16_t)
400 (Pmin_t2[numPdGainsUsed] / 2);
401 Pmax_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[numVpd-1];
402 if (Pmax_t2[numPdGainsUsed] > pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1])
403 Pmax_t2[numPdGainsUsed] =
404 pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1];
405 Pmax_t2[numPdGainsUsed] = (int16_t)(Pmax_t2[numPdGainsUsed] / 2);
407 numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed],
408 &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]),
409 &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_L
412 numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed],
413 &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]),
414 &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_R
416 for (kk = 0; kk < (uint16_t)(Pmax_t2[numPdGainsUsed] - Pmin_t2[numPdGainsUsed]); kk++) {
417 VpdTable_I[numPdGainsUsed][kk] =
419 channel, pRawDataset->pChannels[idxL], pRawDataset->pChannels[idxR],
420 (int16_t)VpdTable_L[numPdGainsUsed][kk], (int16_t)VpdTable_R[numPdGainsUsed][kk]);
422 /* fill VpdTable_I for this pdGain */
425 /* if this pdGain is used */
428 *pMinCalPower = Pmin_t2[0];
429 kk = 0; /* index for the final table */
430 for (ii = 0; ii < numPdGainsUsed; ii++) {
431 if (ii == (numPdGainsUsed - 1))
432 pPdGainBoundaries[ii] = Pmax_t2[ii] +
433 PD_GAIN_BOUNDARY_STRETCH_IN_HALF_DB;
435 pPdGainBoundaries[ii] = (uint16_t)
436 ((Pmax_t2[ii] + Pmin_t2[ii+1]) / 2 );
438 /* Find starting index for this pdGain */
440 ss = 0; /* for the first pdGain, start from index 0 */
442 ss = (pPdGainBoundaries[ii-1] - Pmin_t2[ii]) -
444 Vpd_step = (uint16_t)(VpdTable_I[ii][1] - VpdTable_I[ii][0]);
445 Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step);
447 *-ve ss indicates need to extrapolate data below for this pdGain
450 tmpVal = (int16_t)(VpdTable_I[ii][0] + ss*Vpd_step);
451 pPDADCValues[kk++] = (uint16_t)((tmpVal < 0) ? 0 : tmpVal);
455 sizeCurrVpdTable = Pmax_t2[ii] - Pmin_t2[ii];
456 tgtIndex = pPdGainBoundaries[ii] + pdGainOverlap_t2 - Pmin_t2[ii];
457 maxIndex = (tgtIndex < sizeCurrVpdTable) ? tgtIndex : sizeCurrVpdTable;
459 while (ss < (int16_t)maxIndex)
460 pPDADCValues[kk++] = VpdTable_I[ii][ss++];
462 Vpd_step = (uint16_t)(VpdTable_I[ii][sizeCurrVpdTable-1] -
463 VpdTable_I[ii][sizeCurrVpdTable-2]);
464 Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step);
466 * for last gain, pdGainBoundary == Pmax_t2, so will
467 * have to extrapolate
469 if (tgtIndex > maxIndex) { /* need to extrapolate above */
470 while(ss < (int16_t)tgtIndex) {
472 (VpdTable_I[ii][sizeCurrVpdTable-1] +
473 (ss-maxIndex)*Vpd_step);
474 pPDADCValues[kk++] = (tmpVal > 127) ?
478 } /* extrapolated above */
479 } /* for all pdGainUsed */
481 while (ii < MAX_NUM_PDGAINS_PER_CHANNEL) {
482 pPdGainBoundaries[ii] = pPdGainBoundaries[ii-1];
486 pPDADCValues[kk] = pPDADCValues[kk-1];
490 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "<==%s\n", __func__);
494 /* Same as 2413 set power table */
496 ar2425SetPowerTable(struct ath_hal *ah,
497 int16_t *minPower, int16_t *maxPower,
498 const struct ieee80211_channel *chan,
501 uint16_t freq = ath_hal_gethwchannel(ah, chan);
502 struct ath_hal_5212 *ahp = AH5212(ah);
503 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;
504 const RAW_DATA_STRUCT_2413 *pRawDataset = AH_NULL;
505 uint16_t pdGainOverlap_t2;
506 int16_t minCalPower2413_t2;
507 uint16_t *pdadcValues = ahp->ah_pcdacTable;
508 uint16_t gainBoundaries[4];
509 uint32_t i, reg32, regoffset;
511 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s:chan 0x%x flag 0x%x\n",
512 __func__, freq, chan->ic_flags);
514 if (IEEE80211_IS_CHAN_G(chan) || IEEE80211_IS_CHAN_108G(chan))
515 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G];
516 else if (IEEE80211_IS_CHAN_B(chan))
517 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B];
519 HALDEBUG(ah, HAL_DEBUG_ANY, "%s:illegal mode\n", __func__);
523 pdGainOverlap_t2 = (uint16_t) SM(OS_REG_READ(ah, AR_PHY_TPCRG5),
524 AR_PHY_TPCRG5_PD_GAIN_OVERLAP);
526 ar2425getGainBoundariesAndPdadcsForPowers(ah, freq,
527 pRawDataset, pdGainOverlap_t2,&minCalPower2413_t2,gainBoundaries,
528 rfXpdGain, pdadcValues);
530 OS_REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN,
531 (pRawDataset->pDataPerChannel[0].numPdGains - 1));
534 * Note the pdadc table may not start at 0 dBm power, could be
535 * negative or greater than 0. Need to offset the power
536 * values by the amount of minPower for griffin
538 if (minCalPower2413_t2 != 0)
539 ahp->ah_txPowerIndexOffset = (int16_t)(0 - minCalPower2413_t2);
541 ahp->ah_txPowerIndexOffset = 0;
543 /* Finally, write the power values into the baseband power table */
544 regoffset = 0x9800 + (672 <<2); /* beginning of pdadc table in griffin */
545 for (i = 0; i < 32; i++) {
546 reg32 = ((pdadcValues[4*i + 0] & 0xFF) << 0) |
547 ((pdadcValues[4*i + 1] & 0xFF) << 8) |
548 ((pdadcValues[4*i + 2] & 0xFF) << 16) |
549 ((pdadcValues[4*i + 3] & 0xFF) << 24) ;
550 OS_REG_WRITE(ah, regoffset, reg32);
554 OS_REG_WRITE(ah, AR_PHY_TPCRG5,
555 SM(pdGainOverlap_t2, AR_PHY_TPCRG5_PD_GAIN_OVERLAP) |
556 SM(gainBoundaries[0], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1) |
557 SM(gainBoundaries[1], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2) |
558 SM(gainBoundaries[2], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3) |
559 SM(gainBoundaries[3], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4));
565 ar2425GetMinPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2413 *data)
568 uint16_t Pmin=0,numVpd;
570 for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) {
571 jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1;
572 /* work backwards 'cause highest pdGain for lowest power */
573 numVpd = data->pDataPerPDGain[jj].numVpd;
575 Pmin = data->pDataPerPDGain[jj].pwr_t4[0];
583 ar2425GetMaxPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2413 *data)
586 uint16_t Pmax=0,numVpd;
588 for (ii=0; ii< MAX_NUM_PDGAINS_PER_CHANNEL; ii++) {
589 /* work forwards cuase lowest pdGain for highest power */
590 numVpd = data->pDataPerPDGain[ii].numVpd;
592 Pmax = data->pDataPerPDGain[ii].pwr_t4[numVpd-1];
601 ar2425GetChannelMaxMinPower(struct ath_hal *ah,
602 const struct ieee80211_channel *chan,
603 int16_t *maxPow, int16_t *minPow)
605 uint16_t freq = chan->ic_freq; /* NB: never mapped */
606 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;
607 const RAW_DATA_STRUCT_2413 *pRawDataset = AH_NULL;
608 const RAW_DATA_PER_CHANNEL_2413 *data = AH_NULL;
609 uint16_t numChannels;
610 int totalD,totalF, totalMin,last, i;
614 if (IEEE80211_IS_CHAN_G(chan) || IEEE80211_IS_CHAN_108G(chan))
615 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G];
616 else if (IEEE80211_IS_CHAN_B(chan))
617 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B];
621 numChannels = pRawDataset->numChannels;
622 data = pRawDataset->pDataPerChannel;
624 /* Make sure the channel is in the range of the TP values
630 if ((freq < data[0].channelValue) ||
631 (freq > data[numChannels-1].channelValue)) {
632 if (freq < data[0].channelValue) {
633 *maxPow = ar2425GetMaxPower(ah, &data[0]);
634 *minPow = ar2425GetMinPower(ah, &data[0]);
637 *maxPow = ar2425GetMaxPower(ah, &data[numChannels - 1]);
638 *minPow = ar2425GetMinPower(ah, &data[numChannels - 1]);
643 /* Linearly interpolate the power value now */
644 for (last=0,i=0; (i<numChannels) && (freq > data[i].channelValue);
646 totalD = data[i].channelValue - data[last].channelValue;
648 totalF = ar2425GetMaxPower(ah, &data[i]) - ar2425GetMaxPower(ah, &data[last]);
649 *maxPow = (int8_t) ((totalF*(freq-data[last].channelValue) +
650 ar2425GetMaxPower(ah, &data[last])*totalD)/totalD);
651 totalMin = ar2425GetMinPower(ah, &data[i]) - ar2425GetMinPower(ah, &data[last]);
652 *minPow = (int8_t) ((totalMin*(freq-data[last].channelValue) +
653 ar2425GetMinPower(ah, &data[last])*totalD)/totalD);
656 if (freq == data[i].channelValue) {
657 *maxPow = ar2425GetMaxPower(ah, &data[i]);
658 *minPow = ar2425GetMinPower(ah, &data[i]);
666 * Free memory for analog bank scratch buffers
669 ar2425RfDetach(struct ath_hal *ah)
671 struct ath_hal_5212 *ahp = AH5212(ah);
673 HALASSERT(ahp->ah_rfHal != AH_NULL);
674 ath_hal_free(ahp->ah_rfHal);
675 ahp->ah_rfHal = AH_NULL;
679 * Allocate memory for analog bank scratch buffers
680 * Scratch Buffer will be reinitialized every reset so no need to zero now
683 ar2425RfAttach(struct ath_hal *ah, HAL_STATUS *status)
685 struct ath_hal_5212 *ahp = AH5212(ah);
686 struct ar2425State *priv;
688 HALASSERT(ah->ah_magic == AR5212_MAGIC);
690 HALASSERT(ahp->ah_rfHal == AH_NULL);
691 priv = ath_hal_malloc(sizeof(struct ar2425State));
692 if (priv == AH_NULL) {
693 HALDEBUG(ah, HAL_DEBUG_ANY,
694 "%s: cannot allocate private state\n", __func__);
695 *status = HAL_ENOMEM; /* XXX */
698 priv->base.rfDetach = ar2425RfDetach;
699 priv->base.writeRegs = ar2425WriteRegs;
700 priv->base.getRfBank = ar2425GetRfBank;
701 priv->base.setChannel = ar2425SetChannel;
702 priv->base.setRfRegs = ar2425SetRfRegs;
703 priv->base.setPowerTable = ar2425SetPowerTable;
704 priv->base.getChannelMaxMinPower = ar2425GetChannelMaxMinPower;
705 priv->base.getNfAdjust = ar5212GetNfAdjust;
707 ahp->ah_pcdacTable = priv->pcdacTable;
708 ahp->ah_pcdacTableSize = sizeof(priv->pcdacTable);
709 ahp->ah_rfHal = &priv->base;
715 ar2425Probe(struct ath_hal *ah)
717 return IS_2425(ah) || IS_2417(ah);
719 AH_RF(RF2425, ar2425Probe, ar2425RfAttach);