/*-
 * SPDX-License-Identifier: ISC
 *
 * Copyright (c) 2008 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.
 */
#include "opt_ah.h"

#include "ah.h"
#include "ah_internal.h"
#include "ah_devid.h"

#include "ar5416/ar5416.h"
#include "ar5416/ar5416reg.h"
#include "ar5416/ar5416phy.h"

#include "ar9001/ar9160.ini"

static const HAL_PERCAL_DATA ar9160_iq_cal = {          /* multi sample */
        .calName = "IQ", .calType = IQ_MISMATCH_CAL,
        .calNumSamples  = MAX_CAL_SAMPLES,
        .calCountMax    = PER_MIN_LOG_COUNT,
        .calCollect     = ar5416IQCalCollect,
        .calPostProc    = ar5416IQCalibration
};
static const HAL_PERCAL_DATA ar9160_adc_gain_cal = {    /* multi sample */
        .calName = "ADC Gain", .calType = ADC_GAIN_CAL,
        .calNumSamples  = MAX_CAL_SAMPLES,
        .calCountMax    = PER_MIN_LOG_COUNT,
        .calCollect     = ar5416AdcGainCalCollect,
        .calPostProc    = ar5416AdcGainCalibration
};
static const HAL_PERCAL_DATA ar9160_adc_dc_cal = {      /* multi sample */
        .calName = "ADC DC", .calType = ADC_DC_CAL,
        .calNumSamples  = MAX_CAL_SAMPLES,
        .calCountMax    = PER_MIN_LOG_COUNT,
        .calCollect     = ar5416AdcDcCalCollect,
        .calPostProc    = ar5416AdcDcCalibration
};
static const HAL_PERCAL_DATA ar9160_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 HAL_BOOL ar9160FillCapabilityInfo(struct ath_hal *ah);

static void
ar9160AniSetup(struct ath_hal *ah)
{
        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   = 7,
                .cycPwrThr1             = { 2, 4, 6, 8, 10, 12, 14, 16 },
                .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 immunity for reliable RIFS rx */
        AH5416(ah)->ah_ani_function &= ~(1 << HAL_ANI_NOISE_IMMUNITY_LEVEL);
        ar5416AniAttach(ah, &aniparams, &aniparams, AH_TRUE);
}

static void 
ar9160InitPLL(struct ath_hal *ah, const struct ieee80211_channel *chan)
{
        uint32_t pll = SM(0x5, AR_RTC_SOWL_PLL_REFDIV);
        if (chan != AH_NULL) {
                if (IEEE80211_IS_CHAN_HALF(chan))
                        pll |= SM(0x1, AR_RTC_SOWL_PLL_CLKSEL);
                else if (IEEE80211_IS_CHAN_QUARTER(chan))
                        pll |= SM(0x2, AR_RTC_SOWL_PLL_CLKSEL);

                if (IEEE80211_IS_CHAN_5GHZ(chan))
                        pll |= SM(0x50, AR_RTC_SOWL_PLL_DIV);
                else
                        pll |= SM(0x58, AR_RTC_SOWL_PLL_DIV);
        } else
                pll |= SM(0x58, AR_RTC_SOWL_PLL_DIV);

        OS_REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
        OS_DELAY(RTC_PLL_SETTLE_DELAY);
        OS_REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_SLEEP_DERIVED_CLK);
}

/*
 * Attach for an AR9160 part.
 */
static struct ath_hal *
ar9160Attach(uint16_t devid, HAL_SOFTC sc,
        HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
        HAL_OPS_CONFIG *ah_config,
        HAL_STATUS *status)
{
        struct ath_hal_5416 *ahp5416;
        struct ath_hal_5212 *ahp;
        struct ath_hal *ah;
        uint32_t val;
        HAL_STATUS ecode;
        HAL_BOOL rfStatus;

        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 */
        ahp5416 = ath_hal_malloc(sizeof (struct ath_hal_5416));
        if (ahp5416 == AH_NULL) {
                HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
                    "%s: cannot allocate memory for state block\n", __func__);
                *status = HAL_ENOMEM;
                return AH_NULL;
        }
        ar5416InitState(ahp5416, devid, sc, st, sh, status);
        ahp = &ahp5416->ah_5212;
        ah = &ahp->ah_priv.h;

        /* XXX override with 9160 specific state */
        /* override 5416 methods for our needs */
        AH5416(ah)->ah_initPLL = ar9160InitPLL;

        AH5416(ah)->ah_cal.iqCalData.calData = &ar9160_iq_cal;
        AH5416(ah)->ah_cal.adcGainCalData.calData = &ar9160_adc_gain_cal;
        AH5416(ah)->ah_cal.adcDcCalData.calData = &ar9160_adc_dc_cal;
        AH5416(ah)->ah_cal.adcDcCalInitData.calData = &ar9160_adc_init_dc_cal;
        AH5416(ah)->ah_cal.suppCals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;

        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 */
        HAL_INI_INIT(&ahp->ah_ini_modes, ar9160Modes, 6);
        HAL_INI_INIT(&ahp->ah_ini_common, ar9160Common, 2);

        HAL_INI_INIT(&AH5416(ah)->ah_ini_bb_rfgain, ar9160BB_RfGain, 3);
        HAL_INI_INIT(&AH5416(ah)->ah_ini_bank0, ar9160Bank0, 2);
        HAL_INI_INIT(&AH5416(ah)->ah_ini_bank1, ar9160Bank1, 2);
        HAL_INI_INIT(&AH5416(ah)->ah_ini_bank2, ar9160Bank2, 2);
        HAL_INI_INIT(&AH5416(ah)->ah_ini_bank3, ar9160Bank3, 3);
        HAL_INI_INIT(&AH5416(ah)->ah_ini_bank6, ar9160Bank6TPC, 3);
        HAL_INI_INIT(&AH5416(ah)->ah_ini_bank7, ar9160Bank7, 2);
        if (AR_SREV_SOWL_11(ah))
                HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar9160Addac_1_1, 2);
        else
                HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar9160Addac, 2);

        ecode = ath_hal_v14EepromAttach(ah);
        if (ecode != HAL_OK)
                goto bad;

        HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes, ar9160PciePhy, 2);
        ar5416AttachPCIE(ah);

        if (!ar5416ChipReset(ah, AH_NULL, HAL_RESET_NORMAL)) {  /* 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 = ar2133RfAttach(ah, &ecode);
        if (!rfStatus) {
                HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
                    __func__, ecode);
                goto bad;
        }

        /*
         * Got everything we need now to setup the capabilities.
         */
        if (!ar9160FillCapabilityInfo(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 =
            ath_hal_eepromGet(ah, AR_EEP_REGDMN_1, AH_NULL);

        /*
         * 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);

        ar9160AniSetup(ah);                     /* Anti Noise Immunity */

        /* This just uses the AR5416 NF values */
        AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ;
        AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ;
        AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_5416_2GHZ;
        AH5416(ah)->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ;
        AH5416(ah)->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ;
        AH5416(ah)->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_5416_5GHZ;

        ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);

        HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);

        return ah;
bad:
        if (ahp)
                ar5416Detach((struct ath_hal *) ahp);
        if (status)
                *status = ecode;
        return AH_NULL;
}

/*
 * 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
ar9160FillCapabilityInfo(struct ath_hal *ah)
{
        HAL_CAPABILITIES *pCap = &AH_PRIVATE(ah)->ah_caps;

        if (!ar5416FillCapabilityInfo(ah))
                return AH_FALSE;
        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;
        pCap->halAutoSleepSupport = AH_FALSE;   /* XXX? */
        pCap->halMbssidAggrSupport = AH_TRUE;
        pCap->hal4AddrAggrSupport = AH_TRUE;
        /* BB Read WAR */
        pCap->halHasBBReadWar = AH_TRUE;

        /* AR9160 is a 2x2 stream device */
        pCap->halTxStreams = 2;
        pCap->halRxStreams = 2;

        return AH_TRUE;
}

static const char*
ar9160Probe(uint16_t vendorid, uint16_t devid)
{
        if (vendorid == ATHEROS_VENDOR_ID && devid == AR9160_DEVID_PCI)
                return "Atheros 9160";
        return AH_NULL;
}
AH_CHIP(AR9160, ar9160Probe, ar9160Attach);