/*
* Take the MHz channel value and set the Channel value
*
* ASSUMES: Writes enabled to analog bus
*
* Actual Expression,
*
* For 2GHz channel,
* Channel Frequency = (3/4) * freq_ref * (chansel[8:0] + chanfrac[16:0]/2^17)
* (freq_ref = 40MHz)
*
* For 5GHz channel,
* Channel Frequency = (3/2) * freq_ref * (chansel[8:0] + chanfrac[16:0]/2^10)
* (freq_ref = 40MHz/(24>>amodeRefSel))
*
* For 5GHz channels which are 5MHz spaced,
* Channel Frequency = (3/2) * freq_ref * (chansel[8:0] + chanfrac[16:0]/2^17)
* (freq_ref = 40MHz)
*/
static HAL_BOOL
ar9287SetChannel(struct ath_hal *ah, const struct ieee80211_channel *chan)
{
uint16_t bMode, fracMode, aModeRefSel = 0;
uint32_t freq, ndiv, channelSel = 0, channelFrac = 0, reg32 = 0;
CHAN_CENTERS centers;
uint32_t refDivA = 24;
OS_MARK(ah, AH_MARK_SETCHANNEL, chan->ic_freq);
ar5416GetChannelCenters(ah, chan, ¢ers);
freq = centers.synth_center;
reg32 = OS_REG_READ(ah, AR_PHY_SYNTH_CONTROL);
reg32 &= 0xc0000000;
if (freq < 4800) { /* 2 GHz, fractional mode */
uint32_t txctl;
int regWrites = 0;
bMode = 1;
fracMode = 1;
aModeRefSel = 0;
channelSel = (freq * 0x10000)/15;
if (AR_SREV_KIWI_11_OR_LATER(ah)) {
if (freq == 2484) {
ath_hal_ini_write(ah,
&AH9287(ah)->ah_ini_cckFirJapan2484, 1,
regWrites);
} else {
ath_hal_ini_write(ah,
&AH9287(ah)->ah_ini_cckFirNormal, 1,
regWrites);
}
}
txctl = OS_REG_READ(ah, AR_PHY_CCK_TX_CTRL);
if (freq == 2484) {
/* Enable channel spreading for channel 14 */
OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
txctl | AR_PHY_CCK_TX_CTRL_JAPAN);
} else {
OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
txctl &~ AR_PHY_CCK_TX_CTRL_JAPAN);
}
} else {
bMode = 0;
fracMode = 0;
if ((freq % 20) == 0) {
aModeRefSel = 3;
} else if ((freq % 10) == 0) {
aModeRefSel = 2;
} else {
aModeRefSel = 0;
/*
* Enable 2G (fractional) mode for channels which
* are 5MHz spaced
*/
fracMode = 1;
refDivA = 1;
channelSel = (freq * 0x8000)/15;
/* RefDivA setting */
OS_A_REG_RMW_FIELD(ah, AR_AN_SYNTH9,
AR_AN_SYNTH9_REFDIVA, refDivA);
}
if (!fracMode) {
ndiv = (freq * (refDivA >> aModeRefSel))/60;
channelSel = ndiv & 0x1ff;
channelFrac = (ndiv & 0xfffffe00) * 2;
channelSel = (channelSel << 17) | channelFrac;
}
}
static void
ar9287AniSetup(struct ath_hal *ah)
{
/*
* These are the parameters from the AR5416 ANI code;
* they likely need quite a bit of adjustment for the
* AR9280.
*/
static const struct ar5212AniParams aniparams = {
.maxNoiseImmunityLevel = 4, /* levels 0..4 */
.totalSizeDesired = { -55, -55, -55, -55, -62 },
.coarseHigh = { -14, -14, -14, -14, -12 },
.coarseLow = { -64, -64, -64, -64, -70 },
.firpwr = { -78, -78, -78, -78, -80 },
.maxSpurImmunityLevel = 2,
.cycPwrThr1 = { 2, 4, 6 },
.maxFirstepLevel = 2, /* levels 0..2 */
.firstep = { 0, 4, 8 },
.ofdmTrigHigh = 500,
.ofdmTrigLow = 200,
.cckTrigHigh = 200,
.cckTrigLow = 100,
.rssiThrHigh = 40,
.rssiThrLow = 7,
.period = 100,
};
/* NB: disable ANI noise immmunity for reliable RIFS rx */
AH5416(ah)->ah_ani_function &= ~ HAL_ANI_NOISE_IMMUNITY_LEVEL;
/* NB: ANI is not enabled yet */
ar5416AniAttach(ah, &aniparams, &aniparams, AH_TRUE);
}
/*
* Attach for an AR9287 part.
*/
static struct ath_hal *
ar9287Attach(uint16_t devid, HAL_SOFTC sc,
HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
HAL_STATUS *status)
{
struct ath_hal_9287 *ahp9287;
struct ath_hal_5212 *ahp;
struct ath_hal *ah;
uint32_t val;
HAL_STATUS ecode;
HAL_BOOL rfStatus;
int8_t pwr_table_offset;
HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
__func__, sc, (void*) st, (void*) sh);
/* NB: memory is returned zero'd */
ahp9287 = ath_hal_malloc(sizeof (struct ath_hal_9287));
if (ahp9287 == AH_NULL) {
HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
"%s: cannot allocate memory for state block\n", __func__);
*status = HAL_ENOMEM;
return AH_NULL;
}
ahp = AH5212(ahp9287);
ah = &ahp->ah_priv.h;
ar5416InitState(AH5416(ah), devid, sc, st, sh, status);
/* XXX override with 9280 specific state */
/* override 5416 methods for our needs */
AH5416(ah)->ah_initPLL = ar9280InitPLL;
ah->ah_setAntennaSwitch = ar9287SetAntennaSwitch;
ah->ah_configPCIE = ar9287ConfigPCIE;
AH5416(ah)->ah_cal.iqCalData.calData = &ar9287_iq_cal;
AH5416(ah)->ah_cal.adcGainCalData.calData = &ar9287_adc_gain_cal;
AH5416(ah)->ah_cal.adcDcCalData.calData = &ar9287_adc_dc_cal;
AH5416(ah)->ah_cal.adcDcCalInitData.calData = &ar9287_adc_init_dc_cal;
/* Better performance without ADC Gain Calibration */
AH5416(ah)->ah_cal.suppCals = ADC_DC_CAL | IQ_MISMATCH_CAL;
AH5416(ah)->ah_spurMitigate = ar9280SpurMitigate;
AH5416(ah)->ah_writeIni = ar9287WriteIni;
ah->ah_setTxPower = ar9287SetTransmitPower;
ah->ah_setBoardValues = ar9287SetBoardValues;
AH5416(ah)->ah_olcInit = ar9287olcInit;
AH5416(ah)->ah_olcTempCompensation = ar9287olcTemperatureCompensation;
//AH5416(ah)->ah_setPowerCalTable = ar9287SetPowerCalTable;
AH5416(ah)->ah_cal_initcal = ar9287InitCalHardware;
AH5416(ah)->ah_cal_pacal = ar9287PACal;
/* XXX NF calibration */
/* XXX Ini override? (IFS vars - since the kiwi mac clock is faster?) */
/* XXX what else is kiwi-specific in the radio/calibration pathway? */
AH5416(ah)->ah_rx_chainmask = AR9287_DEFAULT_RXCHAINMASK;
AH5416(ah)->ah_tx_chainmask = AR9287_DEFAULT_TXCHAINMASK;
if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
/* reset chip */
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n",
__func__);
ecode = HAL_EIO;
goto bad;
}
if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n",
__func__);
ecode = HAL_EIO;
goto bad;
}
/* Read Revisions from Chips before taking out of reset */
val = OS_REG_READ(ah, AR_SREV);
HALDEBUG(ah, HAL_DEBUG_ATTACH,
"%s: ID 0x%x VERSION 0x%x TYPE 0x%x REVISION 0x%x\n",
__func__, MS(val, AR_XSREV_ID), MS(val, AR_XSREV_VERSION),
MS(val, AR_XSREV_TYPE), MS(val, AR_XSREV_REVISION));
/* NB: include chip type to differentiate from pre-Sowl versions */
AH_PRIVATE(ah)->ah_macVersion =
(val & AR_XSREV_VERSION) >> AR_XSREV_TYPE_S;
AH_PRIVATE(ah)->ah_macRev = MS(val, AR_XSREV_REVISION);
AH_PRIVATE(ah)->ah_ispcie = (val & AR_XSREV_TYPE_HOST_MODE) == 0;
/* Don't support Kiwi < 1.2; those are pre-release chips */
if (! AR_SREV_KIWI_12_OR_LATER(ah)) {
ath_hal_printf(ah, "[ath]: Kiwi < 1.2 is not supported\n");
ecode = HAL_EIO;
goto bad;
}
/* setup common ini data; rf backends handle remainder */
HAL_INI_INIT(&ahp->ah_ini_modes, ar9287Modes_9287_1_1, 6);
HAL_INI_INIT(&ahp->ah_ini_common, ar9287Common_9287_1_1, 2);
/* If pcie_clock_req */
HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes,
ar9287PciePhy_clkreq_always_on_L1_9287_1_1, 2);
/* XXX WoW ini values */
/* Else */
#if 0
HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes,
ar9287PciePhy_clkreq_off_L1_9287_1_1, 2);
#endif
/* Initialise Japan arrays */
HAL_INI_INIT(&ahp9287->ah_ini_cckFirNormal,
ar9287Common_normal_cck_fir_coeff_9287_1_1, 2);
HAL_INI_INIT(&ahp9287->ah_ini_cckFirJapan2484,
ar9287Common_japan_2484_cck_fir_coeff_9287_1_1, 2);
ar5416AttachPCIE(ah);
ecode = ath_hal_9287EepromAttach(ah);
if (ecode != HAL_OK)
goto bad;
if (!ar5416ChipReset(ah, AH_NULL)) { /* reset chip */
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n", __func__);
ecode = HAL_EIO;
goto bad;
}
AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
if (!ar5212ChipTest(ah)) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
__func__);
ecode = HAL_ESELFTEST;
goto bad;
}
/*
* Set correct Baseband to analog shift
* setting to access analog chips.
*/
OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
/* Read Radio Chip Rev Extract */
AH_PRIVATE(ah)->ah_analog5GhzRev = ar5416GetRadioRev(ah);
switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
case AR_RAD2133_SREV_MAJOR: /* Sowl: 2G/3x3 */
case AR_RAD5133_SREV_MAJOR: /* Sowl: 2+5G/3x3 */
break;
default:
if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
AH_PRIVATE(ah)->ah_analog5GhzRev =
AR_RAD5133_SREV_MAJOR;
break;
}
#ifdef AH_DEBUG
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: 5G Radio Chip Rev 0x%02X is not supported by "
"this driver\n", __func__,
AH_PRIVATE(ah)->ah_analog5GhzRev);
ecode = HAL_ENOTSUPP;
goto bad;
#endif
}
rfStatus = ar9287RfAttach(ah, &ecode);
if (!rfStatus) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
__func__, ecode);
goto bad;
}
/*
* We only implement open-loop TX power control
* for the AR9287 in this codebase.
*/
if (! ath_hal_eepromGetFlag(ah, AR_EEP_OL_PWRCTRL)) {
ath_hal_printf(ah, "[ath] AR9287 w/ closed-loop TX power control"
" isn't supported.\n");
ecode = HAL_ENOTSUPP;
goto bad;
}
/*
* Check whether the power table offset isn't the default.
* This can occur with eeprom minor V21 or greater on Merlin.
*/
(void) ath_hal_eepromGet(ah, AR_EEP_PWR_TABLE_OFFSET, &pwr_table_offset);
if (pwr_table_offset != AR5416_PWR_TABLE_OFFSET_DB)
ath_hal_printf(ah, "[ath]: default pwr offset: %d dBm != EEPROM pwr offset: %d dBm; curves will be adjusted.\n",
AR5416_PWR_TABLE_OFFSET_DB, (int) pwr_table_offset);
/* setup rxgain table */
HAL_INI_INIT(&ahp9287->ah_ini_rxgain, ar9287Modes_rx_gain_9287_1_1, 6);
/* setup txgain table */
HAL_INI_INIT(&ahp9287->ah_ini_txgain, ar9287Modes_tx_gain_9287_1_1, 6);
/*
* Got everything we need now to setup the capabilities.
*/
if (!ar9287FillCapabilityInfo(ah)) {
ecode = HAL_EEREAD;
goto bad;
}
ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
if (ecode != HAL_OK) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: error getting mac address from EEPROM\n", __func__);
goto bad;
}
/* XXX How about the serial number ? */
/* Read Reg Domain */
AH_PRIVATE(ah)->ah_currentRD =
ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
AH_PRIVATE(ah)->ah_currentRDext = AR9287_RDEXT_DEFAULT;
/*
* ah_miscMode is populated by ar5416FillCapabilityInfo()
* starting from griffin. Set here to make sure that
* AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
* placed into hardware.
*/
if (ahp->ah_miscMode != 0)
OS_REG_WRITE(ah, AR_MISC_MODE, OS_REG_READ(ah, AR_MISC_MODE) | ahp->ah_miscMode);
ar9287AniSetup(ah); /* Anti Noise Immunity */
/* Setup noise floor min/max/nominal values */
AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9287_2GHZ;
AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9287_2GHZ;
AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9287_2GHZ;
AH5416(ah)->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_9287_5GHZ;
AH5416(ah)->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_9287_5GHZ;
AH5416(ah)->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_9287_5GHZ;
ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
return ah;
bad:
if (ah != AH_NULL)
ah->ah_detach(ah);
if (status)
*status = ecode;
return AH_NULL;
}
static void
ar9287ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore)
{
if (AH_PRIVATE(ah)->ah_ispcie && !restore) {
ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0);
OS_DELAY(1000);
OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
OS_REG_WRITE(ah, AR_WA, AR9285_WA_DEFAULT); /* Yes, Kiwi uses the Kite PCIe PHY WA */
}
}
static void
ar9287WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan)
{
u_int modesIndex, freqIndex;
int regWrites = 0;
/* Setup the indices for the next set of register array writes */
/* XXX Ignore 11n dynamic mode on the AR5416 for the moment */
if (IEEE80211_IS_CHAN_2GHZ(chan)) {
freqIndex = 2;
if (IEEE80211_IS_CHAN_HT40(chan))
modesIndex = 3;
else if (IEEE80211_IS_CHAN_108G(chan))
modesIndex = 5;
else
modesIndex = 4;
} else {
freqIndex = 1;
if (IEEE80211_IS_CHAN_HT40(chan) ||
IEEE80211_IS_CHAN_TURBO(chan))
modesIndex = 2;
else
modesIndex = 1;
}
/* Set correct Baseband to analog shift setting to access analog chips. */
OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes, modesIndex, regWrites);
regWrites = ath_hal_ini_write(ah, &AH9287(ah)->ah_ini_rxgain, modesIndex, regWrites);
regWrites = ath_hal_ini_write(ah, &AH9287(ah)->ah_ini_txgain, modesIndex, regWrites);
regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common, 1, regWrites);
}