static void
print_chaninfo(const struct ieee80211_channel *c)
{
#define IEEE80211_IS_CHAN_PASSIVE(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_PASSIVE))
char buf[14];
buf[0] = '\0';
if (IEEE80211_IS_CHAN_FHSS(c))
strlcat(buf, " FHSS", sizeof(buf));
if (IEEE80211_IS_CHAN_A(c))
strlcat(buf, " 11a", sizeof(buf));
/* XXX 11g schizophrenia */
if (IEEE80211_IS_CHAN_G(c) ||
IEEE80211_IS_CHAN_PUREG(c))
strlcat(buf, " 11g", sizeof(buf));
else if (IEEE80211_IS_CHAN_B(c))
strlcat(buf, " 11b", sizeof(buf));
if (IEEE80211_IS_CHAN_STURBO(c))
strlcat(buf, " Static", sizeof(buf));
if (IEEE80211_IS_CHAN_DTURBO(c))
strlcat(buf, " Dynamic", sizeof(buf));
printf("Channel %3u : %u%c Mhz%-14.14s",
c->ic_ieee, c->ic_freq,
IEEE80211_IS_CHAN_PASSIVE(c) ? '*' : ' ', buf);
#undef IEEE80211_IS_CHAN_PASSIVE
}
static void
print_chaninfo(const struct ieee80211_channel *c)
{
char buf[14];
buf[0] = '\0';
if (IEEE80211_IS_CHAN_FHSS(c))
strlcat(buf, " FHSS", sizeof(buf));
if (IEEE80211_IS_CHAN_A(c))
strlcat(buf, " 11a", sizeof(buf));
/* XXX 11g schizophrenia */
if (IEEE80211_IS_CHAN_G(c) ||
IEEE80211_IS_CHAN_PUREG(c))
strlcat(buf, " 11g", sizeof(buf));
else if (IEEE80211_IS_CHAN_B(c))
strlcat(buf, " 11b", sizeof(buf));
if (IEEE80211_IS_CHAN_STURBO(c))
strlcat(buf, " Static", sizeof(buf));
if (IEEE80211_IS_CHAN_DTURBO(c))
strlcat(buf, " Dynamic", sizeof(buf));
if (IEEE80211_IS_CHAN_HALF(c))
strlcat(buf, " Half", sizeof(buf));
if (IEEE80211_IS_CHAN_QUARTER(c))
strlcat(buf, " Quarter", sizeof(buf));
printf("Channel %3u : %u%c%c Mhz%-14.14s",
c->ic_ieee, c->ic_freq,
IEEE80211_IS_CHAN_PASSIVE(c) ? '*' : ' ',
IEEE80211_IS_CHAN_RADAR(c) ? '!' : ' ',
buf);
}
static void
ar5212AniCckErrTrigger(struct ath_hal *ah)
{
struct ath_hal_5212 *ahp = AH5212(ah);
const struct ieee80211_channel *chan = AH_PRIVATE(ah)->ah_curchan;
struct ar5212AniState *aniState;
const struct ar5212AniParams *params;
HALASSERT(chan != AH_NULL);
if (!ANI_ENA(ah))
return;
/* first, raise noise immunity level, up to max */
aniState = ahp->ah_curani;
params = aniState->params;
if (aniState->noiseImmunityLevel+1 <= params->maxNoiseImmunityLevel) {
HALDEBUG(ah, HAL_DEBUG_ANI, "%s: raise NI to %u\n", __func__,
aniState->noiseImmunityLevel + 1);
ar5212AniControl(ah, HAL_ANI_NOISE_IMMUNITY_LEVEL,
aniState->noiseImmunityLevel + 1);
return;
}
if (ANI_ENA_RSSI(ah)) {
int32_t rssi = BEACON_RSSI(ahp);
if (rssi > params->rssiThrLow) {
/*
* Beacon signal in mid and high range,
* raise firstep level.
*/
if (aniState->firstepLevel+1 <= params->maxFirstepLevel) {
HALDEBUG(ah, HAL_DEBUG_ANI,
"%s: rssi %d raise ST %u\n", __func__, rssi,
aniState->firstepLevel+1);
ar5212AniControl(ah, HAL_ANI_FIRSTEP_LEVEL,
aniState->firstepLevel + 1);
}
} else {
/*
* Beacon rssi is low, zero firstep level to maximize
* CCK sensitivity in 11b/g mode.
*/
/* XXX can optimize */
if (IEEE80211_IS_CHAN_B(chan) ||
IEEE80211_IS_CHAN_G(chan)) {
if (aniState->firstepLevel > 0) {
HALDEBUG(ah, HAL_DEBUG_ANI,
"%s: rssi %d zero ST (was %u)\n",
__func__, rssi,
aniState->firstepLevel);
ar5212AniControl(ah,
HAL_ANI_FIRSTEP_LEVEL, 0);
}
}
}
}
}
static void
dumpchannels(struct ath_hal *ah, int nc,
const struct ieee80211_channel *chans, int16_t *txpow)
{
int i;
for (i = 0; i < nc; i++) {
const struct ieee80211_channel *c = &chans[i];
int type;
if (showchannels)
printf("%s%3d", sep,
ath_hal_mhz2ieee(ah, c->ic_freq, c->ic_flags));
else
printf("%s%u", sep, c->ic_freq);
if (IEEE80211_IS_CHAN_HALF(c))
type = 'H';
else if (IEEE80211_IS_CHAN_QUARTER(c))
type = 'Q';
else if (IEEE80211_IS_CHAN_TURBO(c))
type = 'T';
else if (IEEE80211_IS_CHAN_HT(c))
type = 'N';
else if (IEEE80211_IS_CHAN_A(c))
type = 'A';
else if (IEEE80211_IS_CHAN_108G(c))
type = 'T';
else if (IEEE80211_IS_CHAN_G(c))
type = 'G';
else
type = 'B';
if (dopassive && IEEE80211_IS_CHAN_PASSIVE(c))
type = tolower(type);
if (isdfs && is4ms)
printf("%c%c%c %d.%d", type,
IEEE80211_IS_CHAN_DFS(c) ? '*' : ' ',
IEEE80211_IS_CHAN_4MS(c) ? '4' : ' ',
txpow[i]/2, (txpow[i]%2)*5);
else if (isdfs)
printf("%c%c %d.%d", type,
IEEE80211_IS_CHAN_DFS(c) ? '*' : ' ',
txpow[i]/2, (txpow[i]%2)*5);
else if (is4ms)
printf("%c%c %d.%d", type,
IEEE80211_IS_CHAN_4MS(c) ? '4' : ' ',
txpow[i]/2, (txpow[i]%2)*5);
else
printf("%c %d.%d", type, txpow[i]/2, (txpow[i]%2)*5);
if ((n++ % (showchannels ? 7 : 6)) == 0)
sep = "\n";
else
sep = " ";
}
}
void icm_display_channel_flags(ICM_CHANNEL_T* pch)
{
ICM_DEV_INFO_T* pdev = get_pdev();
if (IEEE80211_IS_CHAN_FHSS(pch)) {
ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\tFHSS\n");
}
if (IEEE80211_IS_CHAN_11NA(pch)) {
ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\t11na\n");
} else if (IEEE80211_IS_CHAN_A(pch)) {
ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\t11a\n");
} else if (IEEE80211_IS_CHAN_11NG(pch)) {
ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\t11ng\n");
} else if (IEEE80211_IS_CHAN_G(pch) ||
IEEE80211_IS_CHAN_PUREG(pch)) {
ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\t11g\n");
} else if (IEEE80211_IS_CHAN_B(pch)) {
ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\t11b\n");
}
if (IEEE80211_IS_CHAN_TURBO(pch)) {
ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\tTurbo\n");
}
if(IEEE80211_IS_CHAN_11N_CTL_CAPABLE(pch)) {
ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\tControl capable\n");
}
if(IEEE80211_IS_CHAN_11N_CTL_U_CAPABLE(pch)) {
ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\tControl capable upper\n");
}
if(IEEE80211_IS_CHAN_11N_CTL_L_CAPABLE(pch)) {
ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\tControl capable lower\n");
}
if (IEEE80211_IS_CHAN_DFSFLAG(pch)) {
ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\tDFS\n");
}
if (IEEE80211_IS_CHAN_HALF(pch)) {
ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\tHalf\n");
}
if (IEEE80211_IS_CHAN_PASSIVE(pch)) {
ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\tPassive\n");
}
if (IEEE80211_IS_CHAN_QUARTER(pch)) {
ICM_DPRINTF(pdev, ICM_PRCTRL_FLAG_NONE, ICM_DEBUG_LEVEL_DEFAULT, ICM_MODULE_ID_UTIL, "\tQuarter\n");
}
}
/*
* Return the test group for the specific channel based on
* the current regulatory setup.
*/
u_int
ath_hal_getctl(struct ath_hal *ah, const struct ieee80211_channel *c)
{
u_int ctl;
if (AH_PRIVATE(ah)->ah_rd2GHz == AH_PRIVATE(ah)->ah_rd5GHz ||
(ah->ah_countryCode == CTRY_DEFAULT && isWwrSKU(ah)))
ctl = SD_NO_CTL;
else if (IEEE80211_IS_CHAN_2GHZ(c))
ctl = AH_PRIVATE(ah)->ah_rd2GHz->conformanceTestLimit;
else
ctl = AH_PRIVATE(ah)->ah_rd5GHz->conformanceTestLimit;
if (IEEE80211_IS_CHAN_B(c))
return ctl | CTL_11B;
if (IEEE80211_IS_CHAN_G(c))
return ctl | CTL_11G;
if (IEEE80211_IS_CHAN_108G(c))
return ctl | CTL_108G;
if (IEEE80211_IS_CHAN_TURBO(c))
return ctl | CTL_TURBO;
if (IEEE80211_IS_CHAN_A(c))
return ctl | CTL_11A;
return ctl;
}
/*
* Sets the transmit power in the baseband for the given
* operating channel and mode.
*/
static HAL_BOOL
setRateTable(struct ath_hal *ah, const struct ieee80211_channel *chan,
int16_t tpcScaleReduction, int16_t powerLimit,
int16_t *pMinPower, int16_t *pMaxPower)
{
u_int16_t ratesArray[16];
u_int16_t *rpow = ratesArray;
u_int16_t twiceMaxRDPower, twiceMaxEdgePower, twiceMaxEdgePowerCck;
int8_t twiceAntennaGain, twiceAntennaReduction;
TRGT_POWER_INFO targetPowerOfdm, targetPowerCck;
RD_EDGES_POWER *rep;
int16_t scaledPower;
u_int8_t cfgCtl;
twiceMaxRDPower = chan->ic_maxregpower * 2;
*pMaxPower = -MAX_RATE_POWER;
*pMinPower = MAX_RATE_POWER;
/* Get conformance test limit maximum for this channel */
cfgCtl = ath_hal_getctl(ah, chan);
rep = findEdgePower(ah, cfgCtl);
if (rep != AH_NULL)
twiceMaxEdgePower = ar5212GetMaxEdgePower(chan->ic_freq, rep);
else
twiceMaxEdgePower = MAX_RATE_POWER;
if (IEEE80211_IS_CHAN_G(chan)) {
/* Check for a CCK CTL for 11G CCK powers */
cfgCtl = (cfgCtl & 0xFC) | 0x01;
rep = findEdgePower(ah, cfgCtl);
if (rep != AH_NULL)
twiceMaxEdgePowerCck = ar5212GetMaxEdgePower(chan->ic_freq, rep);
else
twiceMaxEdgePowerCck = MAX_RATE_POWER;
} else {
/* Set the 11B cck edge power to the one found before */
twiceMaxEdgePowerCck = twiceMaxEdgePower;
}
/* Get Antenna Gain reduction */
if (IEEE80211_IS_CHAN_5GHZ(chan)) {
twiceAntennaGain = antennaGainMax[0];
} else {
twiceAntennaGain = antennaGainMax[1];
}
twiceAntennaReduction =
ath_hal_getantennareduction(ah, chan, twiceAntennaGain);
if (IEEE80211_IS_CHAN_OFDM(chan)) {
/* Get final OFDM target powers */
if (IEEE80211_IS_CHAN_G(chan)) {
/* TODO - add Turbo 2.4 to this mode check */
ar5212GetTargetPowers(ah, chan, trgtPwr_11g,
numTargetPwr_11g, &targetPowerOfdm);
} else {
ar5212GetTargetPowers(ah, chan, trgtPwr_11a,
numTargetPwr_11a, &targetPowerOfdm);
}
/* Get Maximum OFDM power */
/* Minimum of target and edge powers */
scaledPower = AH_MIN(twiceMaxEdgePower,
twiceMaxRDPower - twiceAntennaReduction);
/*
* If turbo is set, reduce power to keep power
* consumption under 2 Watts. Note that we always do
* this unless specially configured. Then we limit
* power only for non-AP operation.
*/
if (IEEE80211_IS_CHAN_TURBO(chan)
#ifdef AH_ENABLE_AP_SUPPORT
&& AH_PRIVATE(ah)->ah_opmode != HAL_M_HOSTAP
#endif
) {
/*
* If turbo is set, reduce power to keep power
* consumption under 2 Watts
*/
if (eeversion >= AR_EEPROM_VER3_1)
scaledPower = AH_MIN(scaledPower,
turbo2WMaxPower5);
/*
* EEPROM version 4.0 added an additional
* constraint on 2.4GHz channels.
*/
if (eeversion >= AR_EEPROM_VER4_0 &&
IEEE80211_IS_CHAN_2GHZ(chan))
scaledPower = AH_MIN(scaledPower,
turbo2WMaxPower2);
}
/* Reduce power by max regulatory domain allowed restrictions */
scaledPower -= (tpcScaleReduction * 2);
scaledPower = (scaledPower < 0) ? 0 : scaledPower;
scaledPower = AH_MIN(scaledPower, powerLimit);
scaledPower = AH_MIN(scaledPower, targetPowerOfdm.twicePwr6_24);
/* Set OFDM rates 9, 12, 18, 24, 36, 48, 54, XR */
rpow[0] = rpow[1] = rpow[2] = rpow[3] = rpow[4] = scaledPower;
rpow[5] = AH_MIN(rpow[0], targetPowerOfdm.twicePwr36);
rpow[6] = AH_MIN(rpow[0], targetPowerOfdm.twicePwr48);
rpow[7] = AH_MIN(rpow[0], targetPowerOfdm.twicePwr54);
#ifdef notyet
if (eeversion >= AR_EEPROM_VER4_0) {
/* Setup XR target power from EEPROM */
rpow[15] = AH_MIN(scaledPower, IS_CHAN_2GHZ(chan) ?
xrTargetPower2 : xrTargetPower5);
} else {
/* XR uses 6mb power */
rpow[15] = rpow[0];
}
#else
rpow[15] = rpow[0];
#endif
*pMinPower = rpow[7];
*pMaxPower = rpow[0];
#if 0
ahp->ah_ofdmTxPower = rpow[0];
#endif
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: MaxRD: %d TurboMax: %d MaxCTL: %d "
"TPC_Reduction %d\n", __func__,
twiceMaxRDPower, turbo2WMaxPower5,
twiceMaxEdgePower, tpcScaleReduction * 2);
}
if (IEEE80211_IS_CHAN_CCK(chan)) {
/* Get final CCK target powers */
ar5212GetTargetPowers(ah, chan, trgtPwr_11b,
numTargetPwr_11b, &targetPowerCck);
/* Reduce power by max regulatory domain allowed restrictions */
scaledPower = AH_MIN(twiceMaxEdgePowerCck,
twiceMaxRDPower - twiceAntennaReduction);
scaledPower -= (tpcScaleReduction * 2);
scaledPower = (scaledPower < 0) ? 0 : scaledPower;
scaledPower = AH_MIN(scaledPower, powerLimit);
rpow[8] = (scaledPower < 1) ? 1 : scaledPower;
/* Set CCK rates 2L, 2S, 5.5L, 5.5S, 11L, 11S */
rpow[8] = AH_MIN(scaledPower, targetPowerCck.twicePwr6_24);
rpow[9] = AH_MIN(scaledPower, targetPowerCck.twicePwr36);
rpow[10] = rpow[9];
rpow[11] = AH_MIN(scaledPower, targetPowerCck.twicePwr48);
rpow[12] = rpow[11];
rpow[13] = AH_MIN(scaledPower, targetPowerCck.twicePwr54);
rpow[14] = rpow[13];
/* Set min/max power based off OFDM values or initialization */
if (rpow[13] < *pMinPower)
*pMinPower = rpow[13];
if (rpow[9] > *pMaxPower)
*pMaxPower = rpow[9];
}
#if 0
ahp->ah_tx6PowerInHalfDbm = *pMaxPower;
#endif
return AH_TRUE;
}
static HAL_BOOL
ar2316GetChannelMaxMinPower(struct ath_hal *ah,
const struct ieee80211_channel *chan,
int16_t *maxPow, int16_t *minPow)
{
uint16_t freq = chan->ic_freq; /* NB: never mapped */
const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;
const RAW_DATA_STRUCT_2316 *pRawDataset = AH_NULL;
const RAW_DATA_PER_CHANNEL_2316 *data=AH_NULL;
uint16_t numChannels;
int totalD,totalF, totalMin,last, i;
*maxPow = 0;
if (IEEE80211_IS_CHAN_G(chan) || IEEE80211_IS_CHAN_108G(chan))
pRawDataset = &ee->ee_rawDataset2413[headerInfo11G];
else if (IEEE80211_IS_CHAN_B(chan))
pRawDataset = &ee->ee_rawDataset2413[headerInfo11B];
else
return(AH_FALSE);
numChannels = pRawDataset->numChannels;
data = pRawDataset->pDataPerChannel;
/* Make sure the channel is in the range of the TP values
* (freq piers)
*/
if (numChannels < 1)
return(AH_FALSE);
if ((freq < data[0].channelValue) ||
(freq > data[numChannels-1].channelValue)) {
if (freq < data[0].channelValue) {
*maxPow = ar2316GetMaxPower(ah, &data[0]);
*minPow = ar2316GetMinPower(ah, &data[0]);
return(AH_TRUE);
} else {
*maxPow = ar2316GetMaxPower(ah, &data[numChannels - 1]);
*minPow = ar2316GetMinPower(ah, &data[numChannels - 1]);
return(AH_TRUE);
}
}
/* Linearly interpolate the power value now */
for (last=0,i=0; (i<numChannels) && (freq > data[i].channelValue);
last = i++);
totalD = data[i].channelValue - data[last].channelValue;
if (totalD > 0) {
totalF = ar2316GetMaxPower(ah, &data[i]) - ar2316GetMaxPower(ah, &data[last]);
*maxPow = (int8_t) ((totalF*(freq-data[last].channelValue) +
ar2316GetMaxPower(ah, &data[last])*totalD)/totalD);
totalMin = ar2316GetMinPower(ah, &data[i]) - ar2316GetMinPower(ah, &data[last]);
*minPow = (int8_t) ((totalMin*(freq-data[last].channelValue) +
ar2316GetMinPower(ah, &data[last])*totalD)/totalD);
return(AH_TRUE);
} else {
if (freq == data[i].channelValue) {
*maxPow = ar2316GetMaxPower(ah, &data[i]);
*minPow = ar2316GetMinPower(ah, &data[i]);
return(AH_TRUE);
} else
return(AH_FALSE);
}
}
static HAL_BOOL
ar2316SetPowerTable(struct ath_hal *ah,
int16_t *minPower, int16_t *maxPower,
const struct ieee80211_channel *chan,
uint16_t *rfXpdGain)
{
struct ath_hal_5212 *ahp = AH5212(ah);
const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom;
const RAW_DATA_STRUCT_2316 *pRawDataset = AH_NULL;
uint16_t pdGainOverlap_t2;
int16_t minCalPower2316_t2;
uint16_t *pdadcValues = ahp->ah_pcdacTable;
uint16_t gainBoundaries[4];
uint32_t reg32, regoffset;
int i, numPdGainsUsed;
#ifndef AH_USE_INIPDGAIN
uint32_t tpcrg1;
#endif
HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan 0x%x flag 0x%x\n",
__func__, chan->ic_freq, chan->ic_flags);
if (IEEE80211_IS_CHAN_G(chan) || IEEE80211_IS_CHAN_108G(chan))
pRawDataset = &ee->ee_rawDataset2413[headerInfo11G];
else if (IEEE80211_IS_CHAN_B(chan))
pRawDataset = &ee->ee_rawDataset2413[headerInfo11B];
else {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: illegal mode\n", __func__);
return AH_FALSE;
}
pdGainOverlap_t2 = (uint16_t) SM(OS_REG_READ(ah, AR_PHY_TPCRG5),
AR_PHY_TPCRG5_PD_GAIN_OVERLAP);
numPdGainsUsed = ar2316getGainBoundariesAndPdadcsForPowers(ah,
chan->channel, pRawDataset, pdGainOverlap_t2,
&minCalPower2316_t2,gainBoundaries, rfXpdGain, pdadcValues);
HALASSERT(1 <= numPdGainsUsed && numPdGainsUsed <= 3);
#ifdef AH_USE_INIPDGAIN
/*
* Use pd_gains curve from eeprom; Atheros always uses
* the default curve from the ini file but some vendors
* (e.g. Zcomax) want to override this curve and not
* honoring their settings results in tx power 5dBm low.
*/
OS_REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN,
(pRawDataset->pDataPerChannel[0].numPdGains - 1));
#else
tpcrg1 = OS_REG_READ(ah, AR_PHY_TPCRG1);
tpcrg1 = (tpcrg1 &~ AR_PHY_TPCRG1_NUM_PD_GAIN)
| SM(numPdGainsUsed-1, AR_PHY_TPCRG1_NUM_PD_GAIN);
switch (numPdGainsUsed) {
case 3:
tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING3;
tpcrg1 |= SM(rfXpdGain[2], AR_PHY_TPCRG1_PDGAIN_SETTING3);
/* fall thru... */
case 2:
tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING2;
tpcrg1 |= SM(rfXpdGain[1], AR_PHY_TPCRG1_PDGAIN_SETTING2);
/* fall thru... */
case 1:
tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING1;
tpcrg1 |= SM(rfXpdGain[0], AR_PHY_TPCRG1_PDGAIN_SETTING1);
break;
}
#ifdef AH_DEBUG
if (tpcrg1 != OS_REG_READ(ah, AR_PHY_TPCRG1))
HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: using non-default "
"pd_gains (default 0x%x, calculated 0x%x)\n",
__func__, OS_REG_READ(ah, AR_PHY_TPCRG1), tpcrg1);
#endif
OS_REG_WRITE(ah, AR_PHY_TPCRG1, tpcrg1);
#endif
/*
* Note the pdadc table may not start at 0 dBm power, could be
* negative or greater than 0. Need to offset the power
* values by the amount of minPower for griffin
*/
if (minCalPower2316_t2 != 0)
ahp->ah_txPowerIndexOffset = (int16_t)(0 - minCalPower2316_t2);
else
ahp->ah_txPowerIndexOffset = 0;
/* Finally, write the power values into the baseband power table */
regoffset = 0x9800 + (672 <<2); /* beginning of pdadc table in griffin */
for (i = 0; i < 32; i++) {
reg32 = ((pdadcValues[4*i + 0] & 0xFF) << 0) |
((pdadcValues[4*i + 1] & 0xFF) << 8) |
((pdadcValues[4*i + 2] & 0xFF) << 16) |
((pdadcValues[4*i + 3] & 0xFF) << 24) ;
OS_REG_WRITE(ah, regoffset, reg32);
regoffset += 4;
}
OS_REG_WRITE(ah, AR_PHY_TPCRG5,
SM(pdGainOverlap_t2, AR_PHY_TPCRG5_PD_GAIN_OVERLAP) |
SM(gainBoundaries[0], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1) |
SM(gainBoundaries[1], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2) |
SM(gainBoundaries[2], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3) |
SM(gainBoundaries[3], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4));
return AH_TRUE;
}
/*
* Places the device in and out of reset and then places sane
* values in the registers based on EEPROM config, initialization
* vectors (as determined by the mode), and station configuration
*
* bChannelChange is used to preserve DMA/PCU registers across
* a HW Reset during channel change.
*/
HAL_BOOL
ar5312Reset(struct ath_hal *ah, HAL_OPMODE opmode,
struct ieee80211_channel *chan,
HAL_BOOL bChannelChange,
HAL_RESET_TYPE resetType,
HAL_STATUS *status)
{
#define N(a) (sizeof (a) / sizeof (a[0]))
#define FAIL(_code) do { ecode = _code; goto bad; } while (0)
struct ath_hal_5212 *ahp = AH5212(ah);
HAL_CHANNEL_INTERNAL *ichan;
const HAL_EEPROM *ee;
uint32_t saveFrameSeqCount, saveDefAntenna;
uint32_t macStaId1, synthDelay, txFrm2TxDStart;
uint16_t rfXpdGain[MAX_NUM_PDGAINS_PER_CHANNEL];
int16_t cckOfdmPwrDelta = 0;
u_int modesIndex, freqIndex;
HAL_STATUS ecode;
int i, regWrites = 0;
uint32_t testReg;
uint32_t saveLedState = 0;
HALASSERT(ah->ah_magic == AR5212_MAGIC);
ee = AH_PRIVATE(ah)->ah_eeprom;
OS_MARK(ah, AH_MARK_RESET, bChannelChange);
/*
* Map public channel to private.
*/
ichan = ath_hal_checkchannel(ah, chan);
if (ichan == AH_NULL) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: invalid channel %u/0x%x; no mapping\n",
__func__, chan->ic_freq, chan->ic_flags);
FAIL(HAL_EINVAL);
}
switch (opmode) {
case HAL_M_STA:
case HAL_M_IBSS:
case HAL_M_HOSTAP:
case HAL_M_MONITOR:
break;
default:
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid operating mode %u\n",
__func__, opmode);
FAIL(HAL_EINVAL);
break;
}
HALASSERT(ahp->ah_eeversion >= AR_EEPROM_VER3);
/* Preserve certain DMA hardware registers on a channel change */
if (bChannelChange) {
/*
* On Venice, the TSF is almost preserved across a reset;
* it requires the doubling writes to the RESET_TSF
* bit in the AR_BEACON register; it also has the quirk
* of the TSF going back in time on the station (station
* latches onto the last beacon's tsf during a reset 50%
* of the times); the latter is not a problem for adhoc
* stations since as long as the TSF is behind, it will
* get resynchronized on receiving the next beacon; the
* TSF going backwards in time could be a problem for the
* sleep operation (supported on infrastructure stations
* only) - the best and most general fix for this situation
* is to resynchronize the various sleep/beacon timers on
* the receipt of the next beacon i.e. when the TSF itself
* gets resynchronized to the AP's TSF - power save is
* needed to be temporarily disabled until that time
*
* Need to save the sequence number to restore it after
* the reset!
*/
saveFrameSeqCount = OS_REG_READ(ah, AR_D_SEQNUM);
} else
saveFrameSeqCount = 0; /* NB: silence compiler */
/* If the channel change is across the same mode - perform a fast channel change */
if ((IS_2413(ah) || IS_5413(ah))) {
/*
* Channel change can only be used when:
* -channel change requested - so it's not the initial reset.
* -it's not a change to the current channel - often called when switching modes
* on a channel
* -the modes of the previous and requested channel are the same - some ugly code for XR
*/
if (bChannelChange &&
AH_PRIVATE(ah)->ah_curchan != AH_NULL &&
(chan->ic_freq != AH_PRIVATE(ah)->ah_curchan->ic_freq) &&
((chan->ic_flags & IEEE80211_CHAN_ALLTURBO) ==
(AH_PRIVATE(ah)->ah_curchan->ic_flags & IEEE80211_CHAN_ALLTURBO))) {
if (ar5212ChannelChange(ah, chan))
/* If ChannelChange completed - skip the rest of reset */
return AH_TRUE;
}
}
/*
* Preserve the antenna on a channel change
*/
saveDefAntenna = OS_REG_READ(ah, AR_DEF_ANTENNA);
if (saveDefAntenna == 0) /* XXX magic constants */
saveDefAntenna = 1;
/* Save hardware flag before chip reset clears the register */
macStaId1 = OS_REG_READ(ah, AR_STA_ID1) &
(AR_STA_ID1_BASE_RATE_11B | AR_STA_ID1_USE_DEFANT);
/* Save led state from pci config register */
if (!IS_5315(ah))
saveLedState = OS_REG_READ(ah, AR5312_PCICFG) &
(AR_PCICFG_LEDCTL | AR_PCICFG_LEDMODE | AR_PCICFG_LEDBLINK |
AR_PCICFG_LEDSLOW);
ar5312RestoreClock(ah, opmode); /* move to refclk operation */
/*
* Adjust gain parameters before reset if
* there's an outstanding gain updated.
*/
(void) ar5212GetRfgain(ah);
if (!ar5312ChipReset(ah, chan)) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n", __func__);
FAIL(HAL_EIO);
}
/* Setup the indices for the next set of register array writes */
if (IEEE80211_IS_CHAN_2GHZ(chan)) {
freqIndex = 2;
modesIndex = IEEE80211_IS_CHAN_108G(chan) ? 5 :
IEEE80211_IS_CHAN_G(chan) ? 4 : 3;
} else {
freqIndex = 1;
modesIndex = IEEE80211_IS_CHAN_ST(chan) ? 2 : 1;
}
OS_MARK(ah, AH_MARK_RESET_LINE, __LINE__);
/* Set correct Baseband to analog shift setting to access analog chips. */
OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
regWrites = ath_hal_ini_write(ah, &ahp->ah_ini_modes, modesIndex, 0);
regWrites = write_common(ah, &ahp->ah_ini_common, bChannelChange,
regWrites);
ahp->ah_rfHal->writeRegs(ah, modesIndex, freqIndex, regWrites);
OS_MARK(ah, AH_MARK_RESET_LINE, __LINE__);
if (IEEE80211_IS_CHAN_HALF(chan) || IEEE80211_IS_CHAN_QUARTER(chan))
ar5212SetIFSTiming(ah, chan);
/* Overwrite INI values for revised chipsets */
if (AH_PRIVATE(ah)->ah_phyRev >= AR_PHY_CHIP_ID_REV_2) {
/* ADC_CTL */
OS_REG_WRITE(ah, AR_PHY_ADC_CTL,
SM(2, AR_PHY_ADC_CTL_OFF_INBUFGAIN) |
SM(2, AR_PHY_ADC_CTL_ON_INBUFGAIN) |
AR_PHY_ADC_CTL_OFF_PWDDAC |
AR_PHY_ADC_CTL_OFF_PWDADC);
/* TX_PWR_ADJ */
if (chan->channel == 2484) {
cckOfdmPwrDelta = SCALE_OC_DELTA(ee->ee_cckOfdmPwrDelta - ee->ee_scaledCh14FilterCckDelta);
} else {
cckOfdmPwrDelta = SCALE_OC_DELTA(ee->ee_cckOfdmPwrDelta);
}
if (IEEE80211_IS_CHAN_G(chan)) {
OS_REG_WRITE(ah, AR_PHY_TXPWRADJ,
SM((ee->ee_cckOfdmPwrDelta*-1), AR_PHY_TXPWRADJ_CCK_GAIN_DELTA) |
SM((cckOfdmPwrDelta*-1), AR_PHY_TXPWRADJ_CCK_PCDAC_INDEX));
} else {
OS_REG_WRITE(ah, AR_PHY_TXPWRADJ, 0);
}
/* Add barker RSSI thresh enable as disabled */
OS_REG_CLR_BIT(ah, AR_PHY_DAG_CTRLCCK,
AR_PHY_DAG_CTRLCCK_EN_RSSI_THR);
OS_REG_RMW_FIELD(ah, AR_PHY_DAG_CTRLCCK,
AR_PHY_DAG_CTRLCCK_RSSI_THR, 2);
/* Set the mute mask to the correct default */
OS_REG_WRITE(ah, AR_SEQ_MASK, 0x0000000F);
}
if (AH_PRIVATE(ah)->ah_phyRev >= AR_PHY_CHIP_ID_REV_3) {
/* Clear reg to alllow RX_CLEAR line debug */
OS_REG_WRITE(ah, AR_PHY_BLUETOOTH, 0);
}
if (AH_PRIVATE(ah)->ah_phyRev >= AR_PHY_CHIP_ID_REV_4) {
#ifdef notyet
/* Enable burst prefetch for the data queues */
OS_REG_RMW_FIELD(ah, AR_D_FPCTL, ... );
/* Enable double-buffering */
OS_REG_CLR_BIT(ah, AR_TXCFG, AR_TXCFG_DBL_BUF_DIS);
#endif
}
if (IS_5312_2_X(ah)) {
/* ADC_CTRL */
OS_REG_WRITE(ah, AR_PHY_SIGMA_DELTA,
SM(2, AR_PHY_SIGMA_DELTA_ADC_SEL) |
SM(4, AR_PHY_SIGMA_DELTA_FILT2) |
SM(0x16, AR_PHY_SIGMA_DELTA_FILT1) |
SM(0, AR_PHY_SIGMA_DELTA_ADC_CLIP));
if (IEEE80211_IS_CHAN_2GHZ(chan))
OS_REG_RMW_FIELD(ah, AR_PHY_RXGAIN, AR_PHY_RXGAIN_TXRX_RF_MAX, 0x0F);
/* CCK Short parameter adjustment in 11B mode */
if (IEEE80211_IS_CHAN_B(chan))
OS_REG_RMW_FIELD(ah, AR_PHY_CCK_RXCTRL4, AR_PHY_CCK_RXCTRL4_FREQ_EST_SHORT, 12);
/* Set ADC/DAC select values */
OS_REG_WRITE(ah, AR_PHY_SLEEP_SCAL, 0x04);
/* Increase 11A AGC Settling */
if (IEEE80211_IS_CHAN_A(chan))
OS_REG_RMW_FIELD(ah, AR_PHY_SETTLING, AR_PHY_SETTLING_AGC, 32);
} else {
/* Set ADC/DAC select values */
OS_REG_WRITE(ah, AR_PHY_SLEEP_SCAL, 0x0e);
}
/* Setup the transmit power values. */
if (!ar5212SetTransmitPower(ah, chan, rfXpdGain)) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: error init'ing transmit power\n", __func__);
FAIL(HAL_EIO);
}
/* Write the analog registers */
if (!ahp->ah_rfHal->setRfRegs(ah, chan, modesIndex, rfXpdGain)) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: ar5212SetRfRegs failed\n",
__func__);
FAIL(HAL_EIO);
}
/* Write delta slope for OFDM enabled modes (A, G, Turbo) */
if (IEEE80211_IS_CHAN_OFDM(chan)) {
if (IS_5413(ah) ||
AH_PRIVATE(ah)->ah_eeversion >= AR_EEPROM_VER5_3)
ar5212SetSpurMitigation(ah, chan);
ar5212SetDeltaSlope(ah, chan);
}
/* Setup board specific options for EEPROM version 3 */
if (!ar5212SetBoardValues(ah, chan)) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: error setting board options\n", __func__);
FAIL(HAL_EIO);
}
/* Restore certain DMA hardware registers on a channel change */
if (bChannelChange)
OS_REG_WRITE(ah, AR_D_SEQNUM, saveFrameSeqCount);
OS_MARK(ah, AH_MARK_RESET_LINE, __LINE__);
OS_REG_WRITE(ah, AR_STA_ID0, LE_READ_4(ahp->ah_macaddr));
OS_REG_WRITE(ah, AR_STA_ID1, LE_READ_2(ahp->ah_macaddr + 4)
| macStaId1
| AR_STA_ID1_RTS_USE_DEF
| ahp->ah_staId1Defaults
);
ar5212SetOperatingMode(ah, opmode);
/* Set Venice BSSID mask according to current state */
OS_REG_WRITE(ah, AR_BSSMSKL, LE_READ_4(ahp->ah_bssidmask));
OS_REG_WRITE(ah, AR_BSSMSKU, LE_READ_2(ahp->ah_bssidmask + 4));
/* Restore previous led state */
if (!IS_5315(ah))
OS_REG_WRITE(ah, AR5312_PCICFG, OS_REG_READ(ah, AR_PCICFG) | saveLedState);
/* Restore previous antenna */
OS_REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
/* then our BSSID */
OS_REG_WRITE(ah, AR_BSS_ID0, LE_READ_4(ahp->ah_bssid));
OS_REG_WRITE(ah, AR_BSS_ID1, LE_READ_2(ahp->ah_bssid + 4));
/* Restore bmiss rssi & count thresholds */
OS_REG_WRITE(ah, AR_RSSI_THR, ahp->ah_rssiThr);
OS_REG_WRITE(ah, AR_ISR, ~0); /* cleared on write */
if (!ar5212SetChannel(ah, chan))
FAIL(HAL_EIO);
OS_MARK(ah, AH_MARK_RESET_LINE, __LINE__);
ar5212SetCoverageClass(ah, AH_PRIVATE(ah)->ah_coverageClass, 1);
ar5212SetRateDurationTable(ah, chan);
/* Set Tx frame start to tx data start delay */
if (IS_RAD5112_ANY(ah) &&
(IEEE80211_IS_CHAN_HALF(chan) || IEEE80211_IS_CHAN_QUARTER(chan))) {
txFrm2TxDStart =
IEEE80211_IS_CHAN_HALF(chan) ?
TX_FRAME_D_START_HALF_RATE:
TX_FRAME_D_START_QUARTER_RATE;
OS_REG_RMW_FIELD(ah, AR_PHY_TX_CTL,
AR_PHY_TX_FRAME_TO_TX_DATA_START, txFrm2TxDStart);
}
/*
* Setup fast diversity.
* Fast diversity can be enabled or disabled via regadd.txt.
* Default is enabled.
* For reference,
* Disable: reg val
* 0x00009860 0x00009d18 (if 11a / 11g, else no change)
* 0x00009970 0x192bb514
* 0x0000a208 0xd03e4648
*
* Enable: 0x00009860 0x00009d10 (if 11a / 11g, else no change)
* 0x00009970 0x192fb514
* 0x0000a208 0xd03e6788
*/
/* XXX Setup pre PHY ENABLE EAR additions */
/* flush SCAL reg */
if (IS_5312_2_X(ah)) {
(void) OS_REG_READ(ah, AR_PHY_SLEEP_SCAL);
}
/*
* Wait for the frequency synth to settle (synth goes on
* via AR_PHY_ACTIVE_EN). Read the phy active delay register.
* Value is in 100ns increments.
*/
synthDelay = OS_REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
if (IEEE80211_IS_CHAN_B(chan)) {
synthDelay = (4 * synthDelay) / 22;
} else {
synthDelay /= 10;
}
/* Activate the PHY (includes baseband activate and synthesizer on) */
OS_REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
/*
* There is an issue if the AP starts the calibration before
* the base band timeout completes. This could result in the
* rx_clear false triggering. As a workaround we add delay an
* extra BASE_ACTIVATE_DELAY usecs to ensure this condition
* does not happen.
*/
if (IEEE80211_IS_CHAN_HALF(chan)) {
OS_DELAY((synthDelay << 1) + BASE_ACTIVATE_DELAY);
} else if (IEEE80211_IS_CHAN_QUARTER(chan)) {
OS_DELAY((synthDelay << 2) + BASE_ACTIVATE_DELAY);
} else {
OS_DELAY(synthDelay + BASE_ACTIVATE_DELAY);
}
/*
* The udelay method is not reliable with notebooks.
* Need to check to see if the baseband is ready
*/
testReg = OS_REG_READ(ah, AR_PHY_TESTCTRL);
/* Selects the Tx hold */
OS_REG_WRITE(ah, AR_PHY_TESTCTRL, AR_PHY_TESTCTRL_TXHOLD);
i = 0;
while ((i++ < 20) &&
(OS_REG_READ(ah, 0x9c24) & 0x10)) /* test if baseband not ready */ OS_DELAY(200);
OS_REG_WRITE(ah, AR_PHY_TESTCTRL, testReg);
/* Calibrate the AGC and start a NF calculation */
OS_REG_WRITE(ah, AR_PHY_AGC_CONTROL,
OS_REG_READ(ah, AR_PHY_AGC_CONTROL)
| AR_PHY_AGC_CONTROL_CAL
| AR_PHY_AGC_CONTROL_NF);
if (!IEEE80211_IS_CHAN_B(chan) && ahp->ah_bIQCalibration != IQ_CAL_DONE) {
/* Start IQ calibration w/ 2^(INIT_IQCAL_LOG_COUNT_MAX+1) samples */
OS_REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4,
AR_PHY_TIMING_CTRL4_IQCAL_LOG_COUNT_MAX,
INIT_IQCAL_LOG_COUNT_MAX);
OS_REG_SET_BIT(ah, AR_PHY_TIMING_CTRL4,
AR_PHY_TIMING_CTRL4_DO_IQCAL);
ahp->ah_bIQCalibration = IQ_CAL_RUNNING;
} else
ahp->ah_bIQCalibration = IQ_CAL_INACTIVE;
/* Setup compression registers */
ar5212SetCompRegs(ah);
/* Set 1:1 QCU to DCU mapping for all queues */
for (i = 0; i < AR_NUM_DCU; i++)
OS_REG_WRITE(ah, AR_DQCUMASK(i), 1 << i);
ahp->ah_intrTxqs = 0;
for (i = 0; i < AH_PRIVATE(ah)->ah_caps.halTotalQueues; i++)
ar5212ResetTxQueue(ah, i);
/*
* Setup interrupt handling. Note that ar5212ResetTxQueue
* manipulates the secondary IMR's as queues are enabled
* and disabled. This is done with RMW ops to insure the
* settings we make here are preserved.
*/
ahp->ah_maskReg = AR_IMR_TXOK | AR_IMR_TXERR | AR_IMR_TXURN
| AR_IMR_RXOK | AR_IMR_RXERR | AR_IMR_RXORN
| AR_IMR_HIUERR
;
if (opmode == HAL_M_HOSTAP)
ahp->ah_maskReg |= AR_IMR_MIB;
OS_REG_WRITE(ah, AR_IMR, ahp->ah_maskReg);
/* Enable bus errors that are OR'd to set the HIUERR bit */
OS_REG_WRITE(ah, AR_IMR_S2,
OS_REG_READ(ah, AR_IMR_S2)
| AR_IMR_S2_MCABT | AR_IMR_S2_SSERR | AR_IMR_S2_DPERR);
if (AH_PRIVATE(ah)->ah_rfkillEnabled)
ar5212EnableRfKill(ah);
if (!ath_hal_wait(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL, 0)) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: offset calibration failed to complete in 1ms;"
" noisy environment?\n", __func__);
}
/*
* Set clocks back to 32kHz if they had been using refClk, then
* use an external 32kHz crystal when sleeping, if one exists.
*/
ar5312SetupClock(ah, opmode);
/*
* Writing to AR_BEACON will start timers. Hence it should
* be the last register to be written. Do not reset tsf, do
* not enable beacons at this point, but preserve other values
* like beaconInterval.
*/
OS_REG_WRITE(ah, AR_BEACON,
(OS_REG_READ(ah, AR_BEACON) &~ (AR_BEACON_EN | AR_BEACON_RESET_TSF)));
/* XXX Setup post reset EAR additions */
/* QoS support */
if (AH_PRIVATE(ah)->ah_macVersion > AR_SREV_VERSION_VENICE ||
(AH_PRIVATE(ah)->ah_macVersion == AR_SREV_VERSION_VENICE &&
AH_PRIVATE(ah)->ah_macRev >= AR_SREV_GRIFFIN_LITE)) {
OS_REG_WRITE(ah, AR_QOS_CONTROL, 0x100aa); /* XXX magic */
OS_REG_WRITE(ah, AR_QOS_SELECT, 0x3210); /* XXX magic */
}
/* Turn on NOACK Support for QoS packets */
OS_REG_WRITE(ah, AR_NOACK,
SM(2, AR_NOACK_2BIT_VALUE) |
SM(5, AR_NOACK_BIT_OFFSET) |
SM(0, AR_NOACK_BYTE_OFFSET));
/* Restore user-specified settings */
if (ahp->ah_miscMode != 0)
OS_REG_WRITE(ah, AR_MISC_MODE, ahp->ah_miscMode);
if (ahp->ah_slottime != (u_int) -1)
ar5212SetSlotTime(ah, ahp->ah_slottime);
if (ahp->ah_acktimeout != (u_int) -1)
ar5212SetAckTimeout(ah, ahp->ah_acktimeout);
if (ahp->ah_ctstimeout != (u_int) -1)
ar5212SetCTSTimeout(ah, ahp->ah_ctstimeout);
if (ahp->ah_sifstime != (u_int) -1)
ar5212SetSifsTime(ah, ahp->ah_sifstime);
if (AH_PRIVATE(ah)->ah_diagreg != 0)
OS_REG_WRITE(ah, AR_DIAG_SW, AH_PRIVATE(ah)->ah_diagreg);
AH_PRIVATE(ah)->ah_opmode = opmode; /* record operating mode */
if (bChannelChange && !IEEE80211_IS_CHAN_DFS(chan))
chan->ic_state &= ~IEEE80211_CHANSTATE_CWINT;
HALDEBUG(ah, HAL_DEBUG_RESET, "%s: done\n", __func__);
OS_MARK(ah, AH_MARK_RESET_DONE, 0);
return AH_TRUE;
bad:
OS_MARK(ah, AH_MARK_RESET_DONE, ecode);
if (status != AH_NULL)
*status = ecode;
return AH_FALSE;
#undef FAIL
#undef N
}
/*
* Places the hardware into reset and then pulls it out of reset
*
* TODO: Only write the PLL if we're changing to or from CCK mode
*
* WARNING: The order of the PLL and mode registers must be correct.
*/
HAL_BOOL
ar5312ChipReset(struct ath_hal *ah, const struct ieee80211_channel *chan)
{
OS_MARK(ah, AH_MARK_CHIPRESET, chan ? chan->ic_freq : 0);
/*
* Reset the HW
*/
if (!ar5312SetResetReg(ah, AR_RC_MAC | AR_RC_BB)) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: ar5312SetResetReg failed\n",
__func__);
return AH_FALSE;
}
/* Bring out of sleep mode (AGAIN) */
if (!ar5312SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: ar5312SetPowerMode failed\n",
__func__);
return AH_FALSE;
}
/* Clear warm reset register */
if (!ar5312SetResetReg(ah, 0)) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: ar5312SetResetReg failed\n",
__func__);
return AH_FALSE;
}
/*
* Perform warm reset before the mode/PLL/turbo registers
* are changed in order to deactivate the radio. Mode changes
* with an active radio can result in corrupted shifts to the
* radio device.
*/
/*
* Set CCK and Turbo modes correctly.
*/
if (chan != AH_NULL) { /* NB: can be null during attach */
uint32_t rfMode, phyPLL = 0, curPhyPLL, turbo;
if (IS_RAD5112_ANY(ah)) {
rfMode = AR_PHY_MODE_AR5112;
if (!IS_5315(ah)) {
if (IEEE80211_IS_CHAN_CCK(chan)) {
phyPLL = AR_PHY_PLL_CTL_44_5312;
} else {
if (IEEE80211_IS_CHAN_HALF(chan)) {
phyPLL = AR_PHY_PLL_CTL_40_5312_HALF;
} else if (IEEE80211_IS_CHAN_QUARTER(chan)) {
phyPLL = AR_PHY_PLL_CTL_40_5312_QUARTER;
} else {
phyPLL = AR_PHY_PLL_CTL_40_5312;
}
}
} else {
if (IEEE80211_IS_CHAN_CCK(chan))
phyPLL = AR_PHY_PLL_CTL_44_5112;
else
phyPLL = AR_PHY_PLL_CTL_40_5112;
if (IEEE80211_IS_CHAN_HALF(chan))
phyPLL |= AR_PHY_PLL_CTL_HALF;
else if (IEEE80211_IS_CHAN_QUARTER(chan))
phyPLL |= AR_PHY_PLL_CTL_QUARTER;
}
} else {
rfMode = AR_PHY_MODE_AR5111;
if (IEEE80211_IS_CHAN_CCK(chan))
phyPLL = AR_PHY_PLL_CTL_44;
else
phyPLL = AR_PHY_PLL_CTL_40;
if (IEEE80211_IS_CHAN_HALF(chan))
phyPLL = AR_PHY_PLL_CTL_HALF;
else if (IEEE80211_IS_CHAN_QUARTER(chan))
phyPLL = AR_PHY_PLL_CTL_QUARTER;
}
if (IEEE80211_IS_CHAN_G(chan))
rfMode |= AR_PHY_MODE_DYNAMIC;
else if (IEEE80211_IS_CHAN_OFDM(chan))
rfMode |= AR_PHY_MODE_OFDM;
else
rfMode |= AR_PHY_MODE_CCK;
if (IEEE80211_IS_CHAN_5GHZ(chan))
rfMode |= AR_PHY_MODE_RF5GHZ;
else
rfMode |= AR_PHY_MODE_RF2GHZ;
turbo = IEEE80211_IS_CHAN_TURBO(chan) ?
(AR_PHY_FC_TURBO_MODE | AR_PHY_FC_TURBO_SHORT) : 0;
curPhyPLL = OS_REG_READ(ah, AR_PHY_PLL_CTL);
/*
* PLL, Mode, and Turbo values must be written in the correct
* order to ensure:
* - The PLL cannot be set to 44 unless the CCK or DYNAMIC
* mode bit is set
* - Turbo cannot be set at the same time as CCK or DYNAMIC
*/
if (IEEE80211_IS_CHAN_CCK(chan)) {
OS_REG_WRITE(ah, AR_PHY_TURBO, turbo);
OS_REG_WRITE(ah, AR_PHY_MODE, rfMode);
if (curPhyPLL != phyPLL) {
OS_REG_WRITE(ah, AR_PHY_PLL_CTL, phyPLL);
/* Wait for the PLL to settle */
OS_DELAY(PLL_SETTLE_DELAY);
}
} else {
if (curPhyPLL != phyPLL) {
OS_REG_WRITE(ah, AR_PHY_PLL_CTL, phyPLL);
/* Wait for the PLL to settle */
OS_DELAY(PLL_SETTLE_DELAY);
}
OS_REG_WRITE(ah, AR_PHY_TURBO, turbo);
OS_REG_WRITE(ah, AR_PHY_MODE, rfMode);
}
}
return AH_TRUE;
}
