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/*
* Copyright (c) 2008-2009 Sam Leffler, Errno Consulting
* Copyright (c) 2008 Atheros Communications, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $FreeBSD: release/9.1.0/sys/dev/ath/ath_hal/ar9002/ar9285_attach.c 224644 2011-08-03 23:57:38Z adrian $
*/
#include "opt_ah.h"
#include "ah.h"
#include "ah_internal.h"
#include "ah_devid.h"
#include "ah_eeprom_v4k.h" /* XXX for tx/rx gain */
#include "ar9002/ar9280.h"
#include "ar9002/ar9285.h"
#include "ar5416/ar5416reg.h"
#include "ar5416/ar5416phy.h"
#include "ar9002/ar9285.ini"
#include "ar9002/ar9285v2.ini"
#include "ar9002/ar9280v2.ini" /* XXX ini for tx/rx gain */
#include "ar9002/ar9285_cal.h"
#include "ar9002/ar9285_phy.h"
#include "ar9002/ar9285_diversity.h"
static const HAL_PERCAL_DATA ar9280_iq_cal = { /* single sample */
.calName = "IQ", .calType = IQ_MISMATCH_CAL,
.calNumSamples = MIN_CAL_SAMPLES,
.calCountMax = PER_MAX_LOG_COUNT,
.calCollect = ar5416IQCalCollect,
.calPostProc = ar5416IQCalibration
};
static const HAL_PERCAL_DATA ar9280_adc_gain_cal = { /* single sample */
.calName = "ADC Gain", .calType = ADC_GAIN_CAL,
.calNumSamples = MIN_CAL_SAMPLES,
.calCountMax = PER_MIN_LOG_COUNT,
.calCollect = ar5416AdcGainCalCollect,
.calPostProc = ar5416AdcGainCalibration
};
static const HAL_PERCAL_DATA ar9280_adc_dc_cal = { /* single sample */
.calName = "ADC DC", .calType = ADC_DC_CAL,
.calNumSamples = MIN_CAL_SAMPLES,
.calCountMax = PER_MIN_LOG_COUNT,
.calCollect = ar5416AdcDcCalCollect,
.calPostProc = ar5416AdcDcCalibration
};
static const HAL_PERCAL_DATA ar9280_adc_init_dc_cal = {
.calName = "ADC Init DC", .calType = ADC_DC_INIT_CAL,
.calNumSamples = MIN_CAL_SAMPLES,
.calCountMax = INIT_LOG_COUNT,
.calCollect = ar5416AdcDcCalCollect,
.calPostProc = ar5416AdcDcCalibration
};
static void ar9285ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore);
static HAL_BOOL ar9285FillCapabilityInfo(struct ath_hal *ah);
static void ar9285WriteIni(struct ath_hal *ah,
const struct ieee80211_channel *chan);
static void
ar9285AniSetup(struct ath_hal *ah)
{
/*
* These are the parameters from the AR5416 ANI code;
* they likely need quite a bit of adjustment for the
* AR9285.
*/
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 &= ~(1 << HAL_ANI_NOISE_IMMUNITY_LEVEL);
ar5416AniAttach(ah, &aniparams, &aniparams, AH_TRUE);
}
/*
* Attach for an AR9285 part.
*/
static struct ath_hal *
ar9285Attach(uint16_t devid, HAL_SOFTC sc,
HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
HAL_STATUS *status)
{
struct ath_hal_9285 *ahp9285;
struct ath_hal_5212 *ahp;
struct ath_hal *ah;
uint32_t val;
HAL_STATUS ecode;
HAL_BOOL rfStatus;
HALDEBUG_G(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 */
ahp9285 = ath_hal_malloc(sizeof (struct ath_hal_9285));
if (ahp9285 == AH_NULL) {
HALDEBUG_G(AH_NULL, HAL_DEBUG_ANY,
"%s: cannot allocate memory for state block\n", __func__);
*status = HAL_ENOMEM;
return AH_NULL;
}
ahp = AH5212(ahp9285);
ah = &ahp->ah_priv.h;
ar5416InitState(AH5416(ah), devid, sc, st, sh, status);
/* XXX override with 9285 specific state */
/* override 5416 methods for our needs */
AH5416(ah)->ah_initPLL = ar9280InitPLL;
ah->ah_setAntennaSwitch = ar9285SetAntennaSwitch;
ah->ah_configPCIE = ar9285ConfigPCIE;
ah->ah_setTxPower = ar9285SetTransmitPower;
ah->ah_setBoardValues = ar9285SetBoardValues;
AH5416(ah)->ah_cal.iqCalData.calData = &ar9280_iq_cal;
AH5416(ah)->ah_cal.adcGainCalData.calData = &ar9280_adc_gain_cal;
AH5416(ah)->ah_cal.adcDcCalData.calData = &ar9280_adc_dc_cal;
AH5416(ah)->ah_cal.adcDcCalInitData.calData = &ar9280_adc_init_dc_cal;
AH5416(ah)->ah_cal.suppCals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
AH5416(ah)->ah_spurMitigate = ar9280SpurMitigate;
AH5416(ah)->ah_writeIni = ar9285WriteIni;
AH5416(ah)->ah_rx_chainmask = AR9285_DEFAULT_RXCHAINMASK;
AH5416(ah)->ah_tx_chainmask = AR9285_DEFAULT_TXCHAINMASK;
ahp->ah_maxTxTrigLev = MAX_TX_FIFO_THRESHOLD >> 1;
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;
/* setup common ini data; rf backends handle remainder */
if (AR_SREV_KITE_12_OR_LATER(ah)) {
HAL_INI_INIT(&ahp->ah_ini_modes, ar9285Modes_v2, 6);
HAL_INI_INIT(&ahp->ah_ini_common, ar9285Common_v2, 2);
HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes,
ar9285PciePhy_clkreq_always_on_L1_v2, 2);
} else {
HAL_INI_INIT(&ahp->ah_ini_modes, ar9285Modes, 6);
HAL_INI_INIT(&ahp->ah_ini_common, ar9285Common, 2);
HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes,
ar9285PciePhy_clkreq_always_on_L1, 2);
}
ar5416AttachPCIE(ah);
/* Attach methods that require MAC version/revision info */
if (AR_SREV_KITE_12_OR_LATER(ah))
AH5416(ah)->ah_cal_initcal = ar9285InitCalHardware;
if (AR_SREV_KITE_11_OR_LATER(ah))
AH5416(ah)->ah_cal_pacal = ar9002_hw_pa_cal;
ecode = ath_hal_v4kEepromAttach(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 = ar9285RfAttach(ah, &ecode);
if (!rfStatus) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
__func__, ecode);
goto bad;
}
HAL_INI_INIT(&ahp9285->ah_ini_rxgain, ar9280Modes_original_rxgain_v2,
6);
if (AR_SREV_9285E_20(ah))
ath_hal_printf(ah, "[ath] AR9285E_20 detected; using XE TX gain tables\n");
/* setup txgain table */
switch (ath_hal_eepromGet(ah, AR_EEP_TXGAIN_TYPE, AH_NULL)) {
case AR5416_EEP_TXGAIN_HIGH_POWER:
if (AR_SREV_9285E_20(ah))
HAL_INI_INIT(&ahp9285->ah_ini_txgain,
ar9285Modes_XE2_0_high_power, 6);
else
HAL_INI_INIT(&ahp9285->ah_ini_txgain,
ar9285Modes_high_power_tx_gain_v2, 6);
break;
case AR5416_EEP_TXGAIN_ORIG:
if (AR_SREV_9285E_20(ah))
HAL_INI_INIT(&ahp9285->ah_ini_txgain,
ar9285Modes_XE2_0_normal_power, 6);
else
HAL_INI_INIT(&ahp9285->ah_ini_txgain,
ar9285Modes_original_tx_gain_v2, 6);
break;
default:
HALASSERT(AH_FALSE);
goto bad; /* XXX ? try to continue */
}
/*
* Got everything we need now to setup the capabilities.
*/
if (!ar9285FillCapabilityInfo(ah)) {
ecode = HAL_EEREAD;
goto bad;
}
/* Print out whether the EEPROM settings enable AR9285 diversity */
if (ar9285_check_div_comb(ah)) {
ath_hal_printf(ah, "[ath] Enabling diversity for Kite\n");
ah->ah_rxAntCombDiversity = ar9285_ant_comb_scan;
}
/* Disable 11n for the AR2427 */
if (devid == AR2427_DEVID_PCIE)
AH_PRIVATE(ah)->ah_caps.halHTSupport = AH_FALSE;
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);
/*
* For Kite and later chipsets, the following bits are not
* programmed in EEPROM and so are set as enabled always.
*/
AH_PRIVATE(ah)->ah_currentRDext = AR9285_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);
ar9285AniSetup(ah); /* Anti Noise Immunity */
/* Setup noise floor min/max/nominal values */
AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9285_2GHZ;
AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9285_2GHZ;
AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9285_2GHZ;
/* XXX no 5ghz values? */
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
ar9285ConfigPCIE(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);
}
}
static void
ar9285WriteIni(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 */
freqIndex = 2;
if (IEEE80211_IS_CHAN_HT40(chan))
modesIndex = 3;
else if (IEEE80211_IS_CHAN_108G(chan))
modesIndex = 5;
else
modesIndex = 4;
/* 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);
if (AR_SREV_KITE_12_OR_LATER(ah)) {
regWrites = ath_hal_ini_write(ah, &AH9285(ah)->ah_ini_txgain,
modesIndex, regWrites);
}
regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common,
1, regWrites);
}
/*
* Fill all software cached or static hardware state information.
* Return failure if capabilities are to come from EEPROM and
* cannot be read.
*/
static HAL_BOOL
ar9285FillCapabilityInfo(struct ath_hal *ah)
{
HAL_CAPABILITIES *pCap = &AH_PRIVATE(ah)->ah_caps;
if (!ar5416FillCapabilityInfo(ah))
return AH_FALSE;
pCap->halNumGpioPins = 12;
pCap->halWowSupport = AH_TRUE;
pCap->halWowMatchPatternExact = AH_TRUE;
#if 0
pCap->halWowMatchPatternDword = AH_TRUE;
#endif
/* AR9285 has 2 antennas but is a 1x1 stream device */
pCap->halTxStreams = 1;
pCap->halRxStreams = 1;
pCap->halCSTSupport = AH_TRUE;
pCap->halRifsRxSupport = AH_TRUE;
pCap->halRifsTxSupport = AH_TRUE;
pCap->halRtsAggrLimit = 64*1024; /* 802.11n max */
pCap->halExtChanDfsSupport = AH_TRUE;
pCap->halUseCombinedRadarRssi = AH_TRUE;
#if 0
/* XXX bluetooth */
pCap->halBtCoexSupport = AH_TRUE;
#endif
pCap->halAutoSleepSupport = AH_FALSE; /* XXX? */
pCap->hal4kbSplitTransSupport = AH_FALSE;
/* Disable this so Block-ACK works correctly */
pCap->halHasRxSelfLinkedTail = AH_FALSE;
pCap->halMbssidAggrSupport = AH_TRUE;
pCap->hal4AddrAggrSupport = AH_TRUE;
if (AR_SREV_KITE_12_OR_LATER(ah))
pCap->halPSPollBroken = AH_FALSE;
/* Only RX STBC supported */
pCap->halRxStbcSupport = 1;
pCap->halTxStbcSupport = 0;
return AH_TRUE;
}
static const char*
ar9285Probe(uint16_t vendorid, uint16_t devid)
{
if (vendorid == ATHEROS_VENDOR_ID && devid == AR9285_DEVID_PCIE)
return "Atheros 9285";
if (vendorid == ATHEROS_VENDOR_ID && (devid == AR2427_DEVID_PCIE))
return "Atheros 2427";
return AH_NULL;
}
AH_CHIP(AR9285, ar9285Probe, ar9285Attach);