2 * SPDX-License-Identifier: ISC
4 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
5 * Copyright (c) 2002-2008 Atheros Communications, Inc.
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
24 #include "ah_internal.h"
26 #include "ar5212/ar5212.h"
27 #include "ar5212/ar5212reg.h"
28 #include "ar5212/ar5212phy.h"
30 #include "ah_eeprom_v3.h"
33 #include "ar5212/ar5212.ini"
35 #define N(a) (sizeof(a)/sizeof(a[0]))
37 typedef RAW_DATA_STRUCT_2413 RAW_DATA_STRUCT_2317;
38 typedef RAW_DATA_PER_CHANNEL_2413 RAW_DATA_PER_CHANNEL_2317;
39 #define PWR_TABLE_SIZE_2317 PWR_TABLE_SIZE_2413
42 RF_HAL_FUNCS base; /* public state, must be first */
43 uint16_t pcdacTable[PWR_TABLE_SIZE_2317];
45 uint32_t Bank1Data[N(ar5212Bank1_2317)];
46 uint32_t Bank2Data[N(ar5212Bank2_2317)];
47 uint32_t Bank3Data[N(ar5212Bank3_2317)];
48 uint32_t Bank6Data[N(ar5212Bank6_2317)];
49 uint32_t Bank7Data[N(ar5212Bank7_2317)];
52 * Private state for reduced stack usage.
54 /* filled out Vpd table for all pdGains (chanL) */
55 uint16_t vpdTable_L[MAX_NUM_PDGAINS_PER_CHANNEL]
56 [MAX_PWR_RANGE_IN_HALF_DB];
57 /* filled out Vpd table for all pdGains (chanR) */
58 uint16_t vpdTable_R[MAX_NUM_PDGAINS_PER_CHANNEL]
59 [MAX_PWR_RANGE_IN_HALF_DB];
60 /* filled out Vpd table for all pdGains (interpolated) */
61 uint16_t vpdTable_I[MAX_NUM_PDGAINS_PER_CHANNEL]
62 [MAX_PWR_RANGE_IN_HALF_DB];
64 #define AR2317(ah) ((struct ar2317State *) AH5212(ah)->ah_rfHal)
66 extern void ar5212ModifyRfBuffer(uint32_t *rfBuf, uint32_t reg32,
67 uint32_t numBits, uint32_t firstBit, uint32_t column);
70 ar2317WriteRegs(struct ath_hal *ah, u_int modesIndex, u_int freqIndex,
73 HAL_INI_WRITE_ARRAY(ah, ar5212Modes_2317, modesIndex, writes);
74 HAL_INI_WRITE_ARRAY(ah, ar5212Common_2317, 1, writes);
75 HAL_INI_WRITE_ARRAY(ah, ar5212BB_RfGain_2317, freqIndex, writes);
79 * Take the MHz channel value and set the Channel value
81 * ASSUMES: Writes enabled to analog bus
84 ar2317SetChannel(struct ath_hal *ah, const struct ieee80211_channel *chan)
86 uint16_t freq = ath_hal_gethwchannel(ah, chan);
87 uint32_t channelSel = 0;
88 uint32_t bModeSynth = 0;
89 uint32_t aModeRefSel = 0;
92 OS_MARK(ah, AH_MARK_SETCHANNEL, freq);
96 channelSel = freq - 2272 ;
97 channelSel = ath_hal_reverseBits(channelSel, 8);
99 txctl = OS_REG_READ(ah, AR_PHY_CCK_TX_CTRL);
101 /* Enable channel spreading for channel 14 */
102 OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
103 txctl | AR_PHY_CCK_TX_CTRL_JAPAN);
105 OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
106 txctl &~ AR_PHY_CCK_TX_CTRL_JAPAN);
108 } else if ((freq % 20) == 0 && freq >= 5120) {
109 channelSel = ath_hal_reverseBits(
110 ((freq - 4800) / 20 << 2), 8);
111 aModeRefSel = ath_hal_reverseBits(3, 2);
112 } else if ((freq % 10) == 0) {
113 channelSel = ath_hal_reverseBits(
114 ((freq - 4800) / 10 << 1), 8);
115 aModeRefSel = ath_hal_reverseBits(2, 2);
116 } else if ((freq % 5) == 0) {
117 channelSel = ath_hal_reverseBits(
118 (freq - 4800) / 5, 8);
119 aModeRefSel = ath_hal_reverseBits(1, 2);
121 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel %u MHz\n",
126 reg32 = (channelSel << 4) | (aModeRefSel << 2) | (bModeSynth << 1) |
128 OS_REG_WRITE(ah, AR_PHY(0x27), reg32 & 0xff);
131 OS_REG_WRITE(ah, AR_PHY(0x36), reg32 & 0x7f);
133 AH_PRIVATE(ah)->ah_curchan = chan;
138 * Reads EEPROM header info from device structure and programs
141 * REQUIRES: Access to the analog rf device
144 ar2317SetRfRegs(struct ath_hal *ah,
145 const struct ieee80211_channel *chan,
146 uint16_t modesIndex, uint16_t *rfXpdGain)
148 #define RF_BANK_SETUP(_priv, _ix, _col) do { \
150 for (i = 0; i < N(ar5212Bank##_ix##_2317); i++) \
151 (_priv)->Bank##_ix##Data[i] = ar5212Bank##_ix##_2317[i][_col];\
153 struct ath_hal_5212 *ahp = AH5212(ah);
154 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;
155 uint16_t ob2GHz = 0, db2GHz = 0;
156 struct ar2317State *priv = AR2317(ah);
159 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan %u/0x%x modesIndex %u\n",
160 __func__, chan->ic_freq, chan->ic_flags, modesIndex);
164 /* Setup rf parameters */
165 if (IEEE80211_IS_CHAN_B(chan)) {
166 ob2GHz = ee->ee_obFor24;
167 db2GHz = ee->ee_dbFor24;
169 ob2GHz = ee->ee_obFor24g;
170 db2GHz = ee->ee_dbFor24g;
174 RF_BANK_SETUP(priv, 1, 1);
177 RF_BANK_SETUP(priv, 2, modesIndex);
180 RF_BANK_SETUP(priv, 3, modesIndex);
183 RF_BANK_SETUP(priv, 6, modesIndex);
185 ar5212ModifyRfBuffer(priv->Bank6Data, ob2GHz, 3, 193, 0);
186 ar5212ModifyRfBuffer(priv->Bank6Data, db2GHz, 3, 190, 0);
189 RF_BANK_SETUP(priv, 7, modesIndex);
191 /* Write Analog registers */
192 HAL_INI_WRITE_BANK(ah, ar5212Bank1_2317, priv->Bank1Data, regWrites);
193 HAL_INI_WRITE_BANK(ah, ar5212Bank2_2317, priv->Bank2Data, regWrites);
194 HAL_INI_WRITE_BANK(ah, ar5212Bank3_2317, priv->Bank3Data, regWrites);
195 HAL_INI_WRITE_BANK(ah, ar5212Bank6_2317, priv->Bank6Data, regWrites);
196 HAL_INI_WRITE_BANK(ah, ar5212Bank7_2317, priv->Bank7Data, regWrites);
197 /* Now that we have reprogrammed rfgain value, clear the flag. */
198 ahp->ah_rfgainState = HAL_RFGAIN_INACTIVE;
205 * Return a reference to the requested RF Bank.
208 ar2317GetRfBank(struct ath_hal *ah, int bank)
210 struct ar2317State *priv = AR2317(ah);
212 HALASSERT(priv != AH_NULL);
214 case 1: return priv->Bank1Data;
215 case 2: return priv->Bank2Data;
216 case 3: return priv->Bank3Data;
217 case 6: return priv->Bank6Data;
218 case 7: return priv->Bank7Data;
220 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unknown RF Bank %d requested\n",
226 * Return indices surrounding the value in sorted integer lists.
228 * NB: the input list is assumed to be sorted in ascending order
231 GetLowerUpperIndex(int16_t v, const uint16_t *lp, uint16_t listSize,
232 uint32_t *vlo, uint32_t *vhi)
235 const int16_t *ep = lp+listSize;
239 * Check first and last elements for out-of-bounds conditions.
241 if (target < lp[0]) {
245 if (target >= ep[-1]) {
246 *vlo = *vhi = listSize - 1;
250 /* look for value being near or between 2 values in list */
251 for (tp = lp; tp < ep; tp++) {
253 * If value is close to the current value of the list
254 * then target is not between values, it is one of the values
257 *vlo = *vhi = tp - (const int16_t *) lp;
261 * Look for value being between current value and next value
262 * if so return these 2 values
264 if (target < tp[1]) {
265 *vlo = tp - (const int16_t *) lp;
273 * Fill the Vpdlist for indices Pmax-Pmin
276 ar2317FillVpdTable(uint32_t pdGainIdx, int16_t Pmin, int16_t Pmax,
277 const int16_t *pwrList, const int16_t *VpdList,
278 uint16_t numIntercepts, uint16_t retVpdList[][64])
281 int16_t currPwr = (int16_t)(2*Pmin);
282 /* since Pmin is pwr*2 and pwrList is 4*pwr */
288 if (numIntercepts < 2)
291 while (ii <= (uint16_t)(Pmax - Pmin)) {
292 GetLowerUpperIndex(currPwr, pwrList, numIntercepts,
295 idxR = 1; /* extrapolate below */
296 if (idxL == (uint32_t)(numIntercepts - 1))
297 idxL = numIntercepts - 2; /* extrapolate above */
298 if (pwrList[idxL] == pwrList[idxR])
302 (((currPwr - pwrList[idxL])*VpdList[idxR]+
303 (pwrList[idxR] - currPwr)*VpdList[idxL])/
304 (pwrList[idxR] - pwrList[idxL]));
305 retVpdList[pdGainIdx][ii] = kk;
307 currPwr += 2; /* half dB steps */
314 * Returns interpolated or the scaled up interpolated value
317 interpolate_signed(uint16_t target, uint16_t srcLeft, uint16_t srcRight,
318 int16_t targetLeft, int16_t targetRight)
322 if (srcRight != srcLeft) {
323 rv = ((target - srcLeft)*targetRight +
324 (srcRight - target)*targetLeft) / (srcRight - srcLeft);
332 * Uses the data points read from EEPROM to reconstruct the pdadc power table
333 * Called by ar2317SetPowerTable()
336 ar2317getGainBoundariesAndPdadcsForPowers(struct ath_hal *ah, uint16_t channel,
337 const RAW_DATA_STRUCT_2317 *pRawDataset,
338 uint16_t pdGainOverlap_t2,
339 int16_t *pMinCalPower, uint16_t pPdGainBoundaries[],
340 uint16_t pPdGainValues[], uint16_t pPDADCValues[])
342 struct ar2317State *priv = AR2317(ah);
343 #define VpdTable_L priv->vpdTable_L
344 #define VpdTable_R priv->vpdTable_R
345 #define VpdTable_I priv->vpdTable_I
346 /* XXX excessive stack usage? */
348 int32_t ss;/* potentially -ve index for taking care of pdGainOverlap */
350 uint32_t numPdGainsUsed = 0;
352 * If desired to support -ve power levels in future, just
353 * change pwr_I_0 to signed 5-bits.
355 int16_t Pmin_t2[MAX_NUM_PDGAINS_PER_CHANNEL];
356 /* to accommodate -ve power levels later on. */
357 int16_t Pmax_t2[MAX_NUM_PDGAINS_PER_CHANNEL];
358 /* to accommodate -ve power levels later on */
362 uint32_t sizeCurrVpdTable, maxIndex, tgtIndex;
364 /* Get upper lower index */
365 GetLowerUpperIndex(channel, pRawDataset->pChannels,
366 pRawDataset->numChannels, &(idxL), &(idxR));
368 for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) {
369 jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1;
370 /* work backwards 'cause highest pdGain for lowest power */
371 numVpd = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].numVpd;
373 pPdGainValues[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pd_gain;
374 Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0];
375 if (Pmin_t2[numPdGainsUsed] >pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]) {
376 Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0];
378 Pmin_t2[numPdGainsUsed] = (int16_t)
379 (Pmin_t2[numPdGainsUsed] / 2);
380 Pmax_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[numVpd-1];
381 if (Pmax_t2[numPdGainsUsed] > pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1])
382 Pmax_t2[numPdGainsUsed] =
383 pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1];
384 Pmax_t2[numPdGainsUsed] = (int16_t)(Pmax_t2[numPdGainsUsed] / 2);
386 numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed],
387 &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]),
388 &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_L
391 numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed],
392 &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]),
393 &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_R
395 for (kk = 0; kk < (uint16_t)(Pmax_t2[numPdGainsUsed] - Pmin_t2[numPdGainsUsed]); kk++) {
396 VpdTable_I[numPdGainsUsed][kk] =
398 channel, pRawDataset->pChannels[idxL], pRawDataset->pChannels[idxR],
399 (int16_t)VpdTable_L[numPdGainsUsed][kk], (int16_t)VpdTable_R[numPdGainsUsed][kk]);
401 /* fill VpdTable_I for this pdGain */
404 /* if this pdGain is used */
407 *pMinCalPower = Pmin_t2[0];
408 kk = 0; /* index for the final table */
409 for (ii = 0; ii < numPdGainsUsed; ii++) {
410 if (ii == (numPdGainsUsed - 1))
411 pPdGainBoundaries[ii] = Pmax_t2[ii] +
412 PD_GAIN_BOUNDARY_STRETCH_IN_HALF_DB;
414 pPdGainBoundaries[ii] = (uint16_t)
415 ((Pmax_t2[ii] + Pmin_t2[ii+1]) / 2 );
416 if (pPdGainBoundaries[ii] > 63) {
417 HALDEBUG(ah, HAL_DEBUG_ANY,
418 "%s: clamp pPdGainBoundaries[%d] %d\n",
419 __func__, ii, pPdGainBoundaries[ii]);/*XXX*/
420 pPdGainBoundaries[ii] = 63;
423 /* Find starting index for this pdGain */
425 ss = 0; /* for the first pdGain, start from index 0 */
427 ss = (pPdGainBoundaries[ii-1] - Pmin_t2[ii]) -
429 Vpd_step = (uint16_t)(VpdTable_I[ii][1] - VpdTable_I[ii][0]);
430 Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step);
432 *-ve ss indicates need to extrapolate data below for this pdGain
435 tmpVal = (int16_t)(VpdTable_I[ii][0] + ss*Vpd_step);
436 pPDADCValues[kk++] = (uint16_t)((tmpVal < 0) ? 0 : tmpVal);
440 sizeCurrVpdTable = Pmax_t2[ii] - Pmin_t2[ii];
441 tgtIndex = pPdGainBoundaries[ii] + pdGainOverlap_t2 - Pmin_t2[ii];
442 maxIndex = (tgtIndex < sizeCurrVpdTable) ? tgtIndex : sizeCurrVpdTable;
444 while (ss < (int16_t)maxIndex)
445 pPDADCValues[kk++] = VpdTable_I[ii][ss++];
447 Vpd_step = (uint16_t)(VpdTable_I[ii][sizeCurrVpdTable-1] -
448 VpdTable_I[ii][sizeCurrVpdTable-2]);
449 Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step);
451 * for last gain, pdGainBoundary == Pmax_t2, so will
452 * have to extrapolate
454 if (tgtIndex > maxIndex) { /* need to extrapolate above */
455 while(ss < (int16_t)tgtIndex) {
457 (VpdTable_I[ii][sizeCurrVpdTable-1] +
458 (ss-maxIndex)*Vpd_step);
459 pPDADCValues[kk++] = (tmpVal > 127) ?
463 } /* extrapolated above */
464 } /* for all pdGainUsed */
466 while (ii < MAX_NUM_PDGAINS_PER_CHANNEL) {
467 pPdGainBoundaries[ii] = pPdGainBoundaries[ii-1];
471 pPDADCValues[kk] = pPDADCValues[kk-1];
475 return numPdGainsUsed;
482 ar2317SetPowerTable(struct ath_hal *ah,
483 int16_t *minPower, int16_t *maxPower,
484 const struct ieee80211_channel *chan,
487 struct ath_hal_5212 *ahp = AH5212(ah);
488 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;
489 const RAW_DATA_STRUCT_2317 *pRawDataset = AH_NULL;
490 uint16_t pdGainOverlap_t2;
491 int16_t minCalPower2317_t2;
492 uint16_t *pdadcValues = ahp->ah_pcdacTable;
493 uint16_t gainBoundaries[4];
494 uint32_t reg32, regoffset;
495 int i, numPdGainsUsed;
496 #ifndef AH_USE_INIPDGAIN
500 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan 0x%x flag 0x%x\n",
501 __func__, chan->ic_freq, chan->ic_flags);
503 if (IEEE80211_IS_CHAN_G(chan) || IEEE80211_IS_CHAN_108G(chan))
504 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G];
505 else if (IEEE80211_IS_CHAN_B(chan))
506 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B];
508 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: illegal mode\n", __func__);
512 pdGainOverlap_t2 = (uint16_t) SM(OS_REG_READ(ah, AR_PHY_TPCRG5),
513 AR_PHY_TPCRG5_PD_GAIN_OVERLAP);
515 numPdGainsUsed = ar2317getGainBoundariesAndPdadcsForPowers(ah,
516 chan->channel, pRawDataset, pdGainOverlap_t2,
517 &minCalPower2317_t2,gainBoundaries, rfXpdGain, pdadcValues);
518 HALASSERT(1 <= numPdGainsUsed && numPdGainsUsed <= 3);
520 #ifdef AH_USE_INIPDGAIN
522 * Use pd_gains curve from eeprom; Atheros always uses
523 * the default curve from the ini file but some vendors
524 * (e.g. Zcomax) want to override this curve and not
525 * honoring their settings results in tx power 5dBm low.
527 OS_REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN,
528 (pRawDataset->pDataPerChannel[0].numPdGains - 1));
530 tpcrg1 = OS_REG_READ(ah, AR_PHY_TPCRG1);
531 tpcrg1 = (tpcrg1 &~ AR_PHY_TPCRG1_NUM_PD_GAIN)
532 | SM(numPdGainsUsed-1, AR_PHY_TPCRG1_NUM_PD_GAIN);
533 switch (numPdGainsUsed) {
535 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING3;
536 tpcrg1 |= SM(rfXpdGain[2], AR_PHY_TPCRG1_PDGAIN_SETTING3);
539 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING2;
540 tpcrg1 |= SM(rfXpdGain[1], AR_PHY_TPCRG1_PDGAIN_SETTING2);
543 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING1;
544 tpcrg1 |= SM(rfXpdGain[0], AR_PHY_TPCRG1_PDGAIN_SETTING1);
548 if (tpcrg1 != OS_REG_READ(ah, AR_PHY_TPCRG1))
549 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: using non-default "
550 "pd_gains (default 0x%x, calculated 0x%x)\n",
551 __func__, OS_REG_READ(ah, AR_PHY_TPCRG1), tpcrg1);
553 OS_REG_WRITE(ah, AR_PHY_TPCRG1, tpcrg1);
557 * Note the pdadc table may not start at 0 dBm power, could be
558 * negative or greater than 0. Need to offset the power
559 * values by the amount of minPower for griffin
561 if (minCalPower2317_t2 != 0)
562 ahp->ah_txPowerIndexOffset = (int16_t)(0 - minCalPower2317_t2);
564 ahp->ah_txPowerIndexOffset = 0;
566 /* Finally, write the power values into the baseband power table */
567 regoffset = 0x9800 + (672 <<2); /* beginning of pdadc table in griffin */
568 for (i = 0; i < 32; i++) {
569 reg32 = ((pdadcValues[4*i + 0] & 0xFF) << 0) |
570 ((pdadcValues[4*i + 1] & 0xFF) << 8) |
571 ((pdadcValues[4*i + 2] & 0xFF) << 16) |
572 ((pdadcValues[4*i + 3] & 0xFF) << 24) ;
573 OS_REG_WRITE(ah, regoffset, reg32);
577 OS_REG_WRITE(ah, AR_PHY_TPCRG5,
578 SM(pdGainOverlap_t2, AR_PHY_TPCRG5_PD_GAIN_OVERLAP) |
579 SM(gainBoundaries[0], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1) |
580 SM(gainBoundaries[1], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2) |
581 SM(gainBoundaries[2], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3) |
582 SM(gainBoundaries[3], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4));
588 ar2317GetMinPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2317 *data)
591 uint16_t Pmin=0,numVpd;
593 for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) {
594 jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1;
595 /* work backwards 'cause highest pdGain for lowest power */
596 numVpd = data->pDataPerPDGain[jj].numVpd;
598 Pmin = data->pDataPerPDGain[jj].pwr_t4[0];
606 ar2317GetMaxPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2317 *data)
609 uint16_t Pmax=0,numVpd;
612 for (ii=0; ii< MAX_NUM_PDGAINS_PER_CHANNEL; ii++) {
613 /* work forwards cuase lowest pdGain for highest power */
614 numVpd = data->pDataPerPDGain[ii].numVpd;
616 Pmax = data->pDataPerPDGain[ii].pwr_t4[numVpd-1];
617 vpdmax = data->pDataPerPDGain[ii].Vpd[numVpd-1];
625 ar2317GetChannelMaxMinPower(struct ath_hal *ah,
626 const struct ieee80211_channel *chan,
627 int16_t *maxPow, int16_t *minPow)
629 uint16_t freq = chan->ic_freq; /* NB: never mapped */
630 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;
631 const RAW_DATA_STRUCT_2317 *pRawDataset = AH_NULL;
632 const RAW_DATA_PER_CHANNEL_2317 *data=AH_NULL;
633 uint16_t numChannels;
634 int totalD,totalF, totalMin,last, i;
638 if (IEEE80211_IS_CHAN_G(chan) || IEEE80211_IS_CHAN_108G(chan))
639 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G];
640 else if (IEEE80211_IS_CHAN_B(chan))
641 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B];
645 numChannels = pRawDataset->numChannels;
646 data = pRawDataset->pDataPerChannel;
648 /* Make sure the channel is in the range of the TP values
654 if ((freq < data[0].channelValue) ||
655 (freq > data[numChannels-1].channelValue)) {
656 if (freq < data[0].channelValue) {
657 *maxPow = ar2317GetMaxPower(ah, &data[0]);
658 *minPow = ar2317GetMinPower(ah, &data[0]);
661 *maxPow = ar2317GetMaxPower(ah, &data[numChannels - 1]);
662 *minPow = ar2317GetMinPower(ah, &data[numChannels - 1]);
667 /* Linearly interpolate the power value now */
668 for (last=0,i=0; (i<numChannels) && (freq > data[i].channelValue);
670 totalD = data[i].channelValue - data[last].channelValue;
672 totalF = ar2317GetMaxPower(ah, &data[i]) - ar2317GetMaxPower(ah, &data[last]);
673 *maxPow = (int8_t) ((totalF*(freq-data[last].channelValue) +
674 ar2317GetMaxPower(ah, &data[last])*totalD)/totalD);
675 totalMin = ar2317GetMinPower(ah, &data[i]) - ar2317GetMinPower(ah, &data[last]);
676 *minPow = (int8_t) ((totalMin*(freq-data[last].channelValue) +
677 ar2317GetMinPower(ah, &data[last])*totalD)/totalD);
680 if (freq == data[i].channelValue) {
681 *maxPow = ar2317GetMaxPower(ah, &data[i]);
682 *minPow = ar2317GetMinPower(ah, &data[i]);
690 * Free memory for analog bank scratch buffers
693 ar2317RfDetach(struct ath_hal *ah)
695 struct ath_hal_5212 *ahp = AH5212(ah);
697 HALASSERT(ahp->ah_rfHal != AH_NULL);
698 ath_hal_free(ahp->ah_rfHal);
699 ahp->ah_rfHal = AH_NULL;
703 * Allocate memory for analog bank scratch buffers
704 * Scratch Buffer will be reinitialized every reset so no need to zero now
707 ar2317RfAttach(struct ath_hal *ah, HAL_STATUS *status)
709 struct ath_hal_5212 *ahp = AH5212(ah);
710 struct ar2317State *priv;
712 HALASSERT(ah->ah_magic == AR5212_MAGIC);
714 HALASSERT(ahp->ah_rfHal == AH_NULL);
715 priv = ath_hal_malloc(sizeof(struct ar2317State));
716 if (priv == AH_NULL) {
717 HALDEBUG(ah, HAL_DEBUG_ANY,
718 "%s: cannot allocate private state\n", __func__);
719 *status = HAL_ENOMEM; /* XXX */
722 priv->base.rfDetach = ar2317RfDetach;
723 priv->base.writeRegs = ar2317WriteRegs;
724 priv->base.getRfBank = ar2317GetRfBank;
725 priv->base.setChannel = ar2317SetChannel;
726 priv->base.setRfRegs = ar2317SetRfRegs;
727 priv->base.setPowerTable = ar2317SetPowerTable;
728 priv->base.getChannelMaxMinPower = ar2317GetChannelMaxMinPower;
729 priv->base.getNfAdjust = ar5212GetNfAdjust;
731 ahp->ah_pcdacTable = priv->pcdacTable;
732 ahp->ah_pcdacTableSize = sizeof(priv->pcdacTable);
733 ahp->ah_rfHal = &priv->base;
739 ar2317Probe(struct ath_hal *ah)
743 AH_RF(RF2317, ar2317Probe, ar2317RfAttach);