root/drivers/net/wireless/ath/ath9k/eeprom_9287.c
/*
 * Copyright (c) 2008-2011 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 <linux/unaligned.h>
#include "hw.h"
#include "ar9002_phy.h"

#define SIZE_EEPROM_AR9287 (sizeof(struct ar9287_eeprom) / sizeof(u16))

static int ath9k_hw_ar9287_get_eeprom_ver(struct ath_hw *ah)
{
        u16 version = le16_to_cpu(ah->eeprom.map9287.baseEepHeader.version);

        return (version & AR5416_EEP_VER_MAJOR_MASK) >>
                AR5416_EEP_VER_MAJOR_SHIFT;
}

static int ath9k_hw_ar9287_get_eeprom_rev(struct ath_hw *ah)
{
        u16 version = le16_to_cpu(ah->eeprom.map9287.baseEepHeader.version);

        return version & AR5416_EEP_VER_MINOR_MASK;
}

static bool __ath9k_hw_ar9287_fill_eeprom(struct ath_hw *ah)
{
        struct ar9287_eeprom *eep = &ah->eeprom.map9287;
        u16 *eep_data;
        int addr, eep_start_loc = AR9287_EEP_START_LOC;
        eep_data = (u16 *)eep;

        for (addr = 0; addr < SIZE_EEPROM_AR9287; addr++) {
                if (!ath9k_hw_nvram_read(ah, addr + eep_start_loc, eep_data))
                        return false;
                eep_data++;
        }

        return true;
}

static bool __ath9k_hw_usb_ar9287_fill_eeprom(struct ath_hw *ah)
{
        u16 *eep_data = (u16 *)&ah->eeprom.map9287;

        ath9k_hw_usb_gen_fill_eeprom(ah, eep_data,
                                     AR9287_HTC_EEP_START_LOC,
                                     SIZE_EEPROM_AR9287);
        return true;
}

static bool ath9k_hw_ar9287_fill_eeprom(struct ath_hw *ah)
{
        struct ath_common *common = ath9k_hw_common(ah);

        if (!ath9k_hw_use_flash(ah)) {
                ath_dbg(common, EEPROM, "Reading from EEPROM, not flash\n");
        }

        if (common->bus_ops->ath_bus_type == ATH_USB)
                return __ath9k_hw_usb_ar9287_fill_eeprom(ah);
        else
                return __ath9k_hw_ar9287_fill_eeprom(ah);
}

#ifdef CONFIG_ATH9K_COMMON_DEBUG
static u32 ar9287_dump_modal_eeprom(char *buf, u32 len, u32 size,
                                    struct modal_eep_ar9287_header *modal_hdr)
{
        PR_EEP("Chain0 Ant. Control", le32_to_cpu(modal_hdr->antCtrlChain[0]));
        PR_EEP("Chain1 Ant. Control", le32_to_cpu(modal_hdr->antCtrlChain[1]));
        PR_EEP("Ant. Common Control", le32_to_cpu(modal_hdr->antCtrlCommon));
        PR_EEP("Chain0 Ant. Gain", modal_hdr->antennaGainCh[0]);
        PR_EEP("Chain1 Ant. Gain", modal_hdr->antennaGainCh[1]);
        PR_EEP("Switch Settle", modal_hdr->switchSettling);
        PR_EEP("Chain0 TxRxAtten", modal_hdr->txRxAttenCh[0]);
        PR_EEP("Chain1 TxRxAtten", modal_hdr->txRxAttenCh[1]);
        PR_EEP("Chain0 RxTxMargin", modal_hdr->rxTxMarginCh[0]);
        PR_EEP("Chain1 RxTxMargin", modal_hdr->rxTxMarginCh[1]);
        PR_EEP("ADC Desired size", modal_hdr->adcDesiredSize);
        PR_EEP("txEndToXpaOff", modal_hdr->txEndToXpaOff);
        PR_EEP("txEndToRxOn", modal_hdr->txEndToRxOn);
        PR_EEP("txFrameToXpaOn", modal_hdr->txFrameToXpaOn);
        PR_EEP("CCA Threshold)", modal_hdr->thresh62);
        PR_EEP("Chain0 NF Threshold", modal_hdr->noiseFloorThreshCh[0]);
        PR_EEP("Chain1 NF Threshold", modal_hdr->noiseFloorThreshCh[1]);
        PR_EEP("xpdGain", modal_hdr->xpdGain);
        PR_EEP("External PD", modal_hdr->xpd);
        PR_EEP("Chain0 I Coefficient", modal_hdr->iqCalICh[0]);
        PR_EEP("Chain1 I Coefficient", modal_hdr->iqCalICh[1]);
        PR_EEP("Chain0 Q Coefficient", modal_hdr->iqCalQCh[0]);
        PR_EEP("Chain1 Q Coefficient", modal_hdr->iqCalQCh[1]);
        PR_EEP("pdGainOverlap", modal_hdr->pdGainOverlap);
        PR_EEP("xPA Bias Level", modal_hdr->xpaBiasLvl);
        PR_EEP("txFrameToDataStart", modal_hdr->txFrameToDataStart);
        PR_EEP("txFrameToPaOn", modal_hdr->txFrameToPaOn);
        PR_EEP("HT40 Power Inc.", modal_hdr->ht40PowerIncForPdadc);
        PR_EEP("Chain0 bswAtten", modal_hdr->bswAtten[0]);
        PR_EEP("Chain1 bswAtten", modal_hdr->bswAtten[1]);
        PR_EEP("Chain0 bswMargin", modal_hdr->bswMargin[0]);
        PR_EEP("Chain1 bswMargin", modal_hdr->bswMargin[1]);
        PR_EEP("HT40 Switch Settle", modal_hdr->swSettleHt40);
        PR_EEP("AR92x7 Version", modal_hdr->version);
        PR_EEP("DriverBias1", modal_hdr->db1);
        PR_EEP("DriverBias2", modal_hdr->db1);
        PR_EEP("CCK OutputBias", modal_hdr->ob_cck);
        PR_EEP("PSK OutputBias", modal_hdr->ob_psk);
        PR_EEP("QAM OutputBias", modal_hdr->ob_qam);
        PR_EEP("PAL_OFF OutputBias", modal_hdr->ob_pal_off);

        return len;
}

static u32 ath9k_hw_ar9287_dump_eeprom(struct ath_hw *ah, bool dump_base_hdr,
                                       u8 *buf, u32 len, u32 size)
{
        struct ar9287_eeprom *eep = &ah->eeprom.map9287;
        struct base_eep_ar9287_header *pBase = &eep->baseEepHeader;
        u32 binBuildNumber = le32_to_cpu(pBase->binBuildNumber);

        if (!dump_base_hdr) {
                len += scnprintf(buf + len, size - len,
                                 "%20s :\n", "2GHz modal Header");
                len = ar9287_dump_modal_eeprom(buf, len, size,
                                                &eep->modalHeader);
                goto out;
        }

        PR_EEP("Major Version", ath9k_hw_ar9287_get_eeprom_ver(ah));
        PR_EEP("Minor Version", ath9k_hw_ar9287_get_eeprom_rev(ah));
        PR_EEP("Checksum", le16_to_cpu(pBase->checksum));
        PR_EEP("Length", le16_to_cpu(pBase->length));
        PR_EEP("RegDomain1", le16_to_cpu(pBase->regDmn[0]));
        PR_EEP("RegDomain2", le16_to_cpu(pBase->regDmn[1]));
        PR_EEP("TX Mask", pBase->txMask);
        PR_EEP("RX Mask", pBase->rxMask);
        PR_EEP("Allow 5GHz", !!(pBase->opCapFlags & AR5416_OPFLAGS_11A));
        PR_EEP("Allow 2GHz", !!(pBase->opCapFlags & AR5416_OPFLAGS_11G));
        PR_EEP("Disable 2GHz HT20", !!(pBase->opCapFlags &
                                        AR5416_OPFLAGS_N_2G_HT20));
        PR_EEP("Disable 2GHz HT40", !!(pBase->opCapFlags &
                                        AR5416_OPFLAGS_N_2G_HT40));
        PR_EEP("Disable 5Ghz HT20", !!(pBase->opCapFlags &
                                        AR5416_OPFLAGS_N_5G_HT20));
        PR_EEP("Disable 5Ghz HT40", !!(pBase->opCapFlags &
                                        AR5416_OPFLAGS_N_5G_HT40));
        PR_EEP("Big Endian", !!(pBase->eepMisc & AR5416_EEPMISC_BIG_ENDIAN));
        PR_EEP("Cal Bin Major Ver", (binBuildNumber >> 24) & 0xFF);
        PR_EEP("Cal Bin Minor Ver", (binBuildNumber >> 16) & 0xFF);
        PR_EEP("Cal Bin Build", (binBuildNumber >> 8) & 0xFF);
        PR_EEP("Power Table Offset", pBase->pwrTableOffset);
        PR_EEP("OpenLoop Power Ctrl", pBase->openLoopPwrCntl);

        len += scnprintf(buf + len, size - len, "%20s : %pM\n", "MacAddress",
                         pBase->macAddr);

out:
        if (len > size)
                len = size;

        return len;
}
#else
static u32 ath9k_hw_ar9287_dump_eeprom(struct ath_hw *ah, bool dump_base_hdr,
                                       u8 *buf, u32 len, u32 size)
{
        return 0;
}
#endif


static int ath9k_hw_ar9287_check_eeprom(struct ath_hw *ah)
{
        u32 el;
        int i, err;
        bool need_swap;
        struct ar9287_eeprom *eep = &ah->eeprom.map9287;

        err = ath9k_hw_nvram_swap_data(ah, &need_swap, SIZE_EEPROM_AR9287);
        if (err)
                return err;

        if (need_swap)
                el = swab16((__force u16)eep->baseEepHeader.length);
        else
                el = le16_to_cpu(eep->baseEepHeader.length);

        el = min(el / sizeof(u16), SIZE_EEPROM_AR9287);
        if (!ath9k_hw_nvram_validate_checksum(ah, el))
                return -EINVAL;

        if (need_swap) {
                EEPROM_FIELD_SWAB16(eep->baseEepHeader.length);
                EEPROM_FIELD_SWAB16(eep->baseEepHeader.checksum);
                EEPROM_FIELD_SWAB16(eep->baseEepHeader.version);
                EEPROM_FIELD_SWAB16(eep->baseEepHeader.regDmn[0]);
                EEPROM_FIELD_SWAB16(eep->baseEepHeader.regDmn[1]);
                EEPROM_FIELD_SWAB16(eep->baseEepHeader.rfSilent);
                EEPROM_FIELD_SWAB16(eep->baseEepHeader.blueToothOptions);
                EEPROM_FIELD_SWAB16(eep->baseEepHeader.deviceCap);
                EEPROM_FIELD_SWAB32(eep->modalHeader.antCtrlCommon);

                for (i = 0; i < AR9287_MAX_CHAINS; i++)
                        EEPROM_FIELD_SWAB32(eep->modalHeader.antCtrlChain[i]);

                for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++)
                        EEPROM_FIELD_SWAB16(
                                eep->modalHeader.spurChans[i].spurChan);
        }

        if (!ath9k_hw_nvram_check_version(ah, AR9287_EEP_VER,
            AR5416_EEP_NO_BACK_VER))
                return -EINVAL;

        return 0;
}

#undef SIZE_EEPROM_AR9287

static u32 ath9k_hw_ar9287_get_eeprom(struct ath_hw *ah,
                                      enum eeprom_param param)
{
        struct ar9287_eeprom *eep = &ah->eeprom.map9287;
        struct modal_eep_ar9287_header *pModal = &eep->modalHeader;
        struct base_eep_ar9287_header *pBase = &eep->baseEepHeader;
        u16 ver_minor = ath9k_hw_ar9287_get_eeprom_rev(ah);

        switch (param) {
        case EEP_NFTHRESH_2:
                return pModal->noiseFloorThreshCh[0];
        case EEP_MAC_LSW:
                return get_unaligned_be16(pBase->macAddr);
        case EEP_MAC_MID:
                return get_unaligned_be16(pBase->macAddr + 2);
        case EEP_MAC_MSW:
                return get_unaligned_be16(pBase->macAddr + 4);
        case EEP_REG_0:
                return le16_to_cpu(pBase->regDmn[0]);
        case EEP_OP_CAP:
                return le16_to_cpu(pBase->deviceCap);
        case EEP_OP_MODE:
                return pBase->opCapFlags;
        case EEP_RF_SILENT:
                return le16_to_cpu(pBase->rfSilent);
        case EEP_TX_MASK:
                return pBase->txMask;
        case EEP_RX_MASK:
                return pBase->rxMask;
        case EEP_DEV_TYPE:
                return pBase->deviceType;
        case EEP_OL_PWRCTRL:
                return pBase->openLoopPwrCntl;
        case EEP_TEMPSENSE_SLOPE:
                if (ver_minor >= AR9287_EEP_MINOR_VER_2)
                        return pBase->tempSensSlope;
                else
                        return 0;
        case EEP_TEMPSENSE_SLOPE_PAL_ON:
                if (ver_minor >= AR9287_EEP_MINOR_VER_3)
                        return pBase->tempSensSlopePalOn;
                else
                        return 0;
        case EEP_ANTENNA_GAIN_2G:
                return max_t(u8, pModal->antennaGainCh[0],
                                 pModal->antennaGainCh[1]);
        default:
                return 0;
        }
}

static void ar9287_eeprom_get_tx_gain_index(struct ath_hw *ah,
                            struct ath9k_channel *chan,
                            struct cal_data_op_loop_ar9287 *pRawDatasetOpLoop,
                            u8 *pCalChans,  u16 availPiers, int8_t *pPwr)
{
        u16 idxL = 0, idxR = 0, numPiers;
        bool match;
        struct chan_centers centers;

        ath9k_hw_get_channel_centers(ah, chan, &centers);

        for (numPiers = 0; numPiers < availPiers; numPiers++) {
                if (pCalChans[numPiers] == AR5416_BCHAN_UNUSED)
                        break;
        }

        match = ath9k_hw_get_lower_upper_index(
                (u8)FREQ2FBIN(centers.synth_center, IS_CHAN_2GHZ(chan)),
                pCalChans, numPiers, &idxL, &idxR);

        if (match) {
                *pPwr = (int8_t) pRawDatasetOpLoop[idxL].pwrPdg[0][0];
        } else {
                *pPwr = ((int8_t) pRawDatasetOpLoop[idxL].pwrPdg[0][0] +
                         (int8_t) pRawDatasetOpLoop[idxR].pwrPdg[0][0])/2;
        }

}

static void ar9287_eeprom_olpc_set_pdadcs(struct ath_hw *ah,
                                          int32_t txPower, u16 chain)
{
        u32 tmpVal;
        u32 a;

        /* Enable OLPC for chain 0 */

        tmpVal = REG_READ(ah, 0xa270);
        tmpVal = tmpVal & 0xFCFFFFFF;
        tmpVal = tmpVal | (0x3 << 24);
        REG_WRITE(ah, 0xa270, tmpVal);

        /* Enable OLPC for chain 1 */

        tmpVal = REG_READ(ah, 0xb270);
        tmpVal = tmpVal & 0xFCFFFFFF;
        tmpVal = tmpVal | (0x3 << 24);
        REG_WRITE(ah, 0xb270, tmpVal);

        /* Write the OLPC ref power for chain 0 */

        if (chain == 0) {
                tmpVal = REG_READ(ah, 0xa398);
                tmpVal = tmpVal & 0xff00ffff;
                a = (txPower)&0xff;
                tmpVal = tmpVal | (a << 16);
                REG_WRITE(ah, 0xa398, tmpVal);
        }

        /* Write the OLPC ref power for chain 1 */

        if (chain == 1) {
                tmpVal = REG_READ(ah, 0xb398);
                tmpVal = tmpVal & 0xff00ffff;
                a = (txPower)&0xff;
                tmpVal = tmpVal | (a << 16);
                REG_WRITE(ah, 0xb398, tmpVal);
        }
}

static void ath9k_hw_set_ar9287_power_cal_table(struct ath_hw *ah,
                                                struct ath9k_channel *chan)
{
        struct cal_data_per_freq_ar9287 *pRawDataset;
        struct cal_data_op_loop_ar9287 *pRawDatasetOpenLoop;
        u8 *pCalBChans = NULL;
        u16 pdGainOverlap_t2;
        u8 pdadcValues[AR5416_NUM_PDADC_VALUES];
        u16 gainBoundaries[AR5416_PD_GAINS_IN_MASK];
        u16 numPiers = 0, i, j;
        u16 numXpdGain, xpdMask;
        u16 xpdGainValues[AR5416_NUM_PD_GAINS] = {0, 0, 0, 0};
        u32 reg32, regOffset, regChainOffset, regval;
        int16_t diff = 0;
        struct ar9287_eeprom *pEepData = &ah->eeprom.map9287;

        xpdMask = pEepData->modalHeader.xpdGain;

        if (ath9k_hw_ar9287_get_eeprom_rev(ah) >= AR9287_EEP_MINOR_VER_2)
                pdGainOverlap_t2 = pEepData->modalHeader.pdGainOverlap;
        else
                pdGainOverlap_t2 = (u16)(MS(REG_READ(ah, AR_PHY_TPCRG5),
                                            AR_PHY_TPCRG5_PD_GAIN_OVERLAP));

        if (IS_CHAN_2GHZ(chan)) {
                pCalBChans = pEepData->calFreqPier2G;
                numPiers = AR9287_NUM_2G_CAL_PIERS;
                if (ath9k_hw_ar9287_get_eeprom(ah, EEP_OL_PWRCTRL)) {
                        pRawDatasetOpenLoop =
                        (struct cal_data_op_loop_ar9287 *)pEepData->calPierData2G[0];
                        ah->initPDADC = pRawDatasetOpenLoop->vpdPdg[0][0];
                }
        }

        numXpdGain = 0;

        /* Calculate the value of xpdgains from the xpdGain Mask */
        for (i = 1; i <= AR5416_PD_GAINS_IN_MASK; i++) {
                if ((xpdMask >> (AR5416_PD_GAINS_IN_MASK - i)) & 1) {
                        if (numXpdGain >= AR5416_NUM_PD_GAINS)
                                break;
                        xpdGainValues[numXpdGain] =
                                (u16)(AR5416_PD_GAINS_IN_MASK-i);
                        numXpdGain++;
                }
        }

        REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN,
                      (numXpdGain - 1) & 0x3);
        REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_1,
                      xpdGainValues[0]);
        REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_2,
                      xpdGainValues[1]);
        REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_3,
                      xpdGainValues[2]);

        for (i = 0; i < AR9287_MAX_CHAINS; i++) {
                regChainOffset = i * 0x1000;

                if (pEepData->baseEepHeader.txMask & (1 << i)) {
                        pRawDatasetOpenLoop =
                        (struct cal_data_op_loop_ar9287 *)pEepData->calPierData2G[i];

                        if (ath9k_hw_ar9287_get_eeprom(ah, EEP_OL_PWRCTRL)) {
                                int8_t txPower;
                                ar9287_eeprom_get_tx_gain_index(ah, chan,
                                                        pRawDatasetOpenLoop,
                                                        pCalBChans, numPiers,
                                                        &txPower);
                                ar9287_eeprom_olpc_set_pdadcs(ah, txPower, i);
                        } else {
                                pRawDataset =
                                        (struct cal_data_per_freq_ar9287 *)
                                        pEepData->calPierData2G[i];

                                ath9k_hw_get_gain_boundaries_pdadcs(ah, chan,
                                                           pRawDataset,
                                                           pCalBChans, numPiers,
                                                           pdGainOverlap_t2,
                                                           gainBoundaries,
                                                           pdadcValues,
                                                           numXpdGain);
                        }

                        ENABLE_REGWRITE_BUFFER(ah);

                        if (i == 0) {
                                if (!ath9k_hw_ar9287_get_eeprom(ah,
                                                        EEP_OL_PWRCTRL)) {

                                        regval = 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);

                                        REG_WRITE(ah,
                                                  AR_PHY_TPCRG5 + regChainOffset,
                                                  regval);
                                }
                        }

                        if ((int32_t)AR9287_PWR_TABLE_OFFSET_DB !=
                            pEepData->baseEepHeader.pwrTableOffset) {
                                diff = (u16)(pEepData->baseEepHeader.pwrTableOffset -
                                             (int32_t)AR9287_PWR_TABLE_OFFSET_DB);
                                diff *= 2;

                                for (j = 0; j < ((u16)AR5416_NUM_PDADC_VALUES-diff); j++)
                                        pdadcValues[j] = pdadcValues[j+diff];

                                for (j = (u16)(AR5416_NUM_PDADC_VALUES-diff);
                                     j < AR5416_NUM_PDADC_VALUES; j++)
                                        pdadcValues[j] =
                                          pdadcValues[AR5416_NUM_PDADC_VALUES-diff];
                        }

                        if (!ath9k_hw_ar9287_get_eeprom(ah, EEP_OL_PWRCTRL)) {
                                regOffset = AR_PHY_BASE +
                                        (672 << 2) + regChainOffset;

                                for (j = 0; j < 32; j++) {
                                        reg32 = get_unaligned_le32(&pdadcValues[4 * j]);

                                        REG_WRITE(ah, regOffset, reg32);
                                        regOffset += 4;
                                }
                        }
                        REGWRITE_BUFFER_FLUSH(ah);
                }
        }
}

static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah,
                                                     struct ath9k_channel *chan,
                                                     int16_t *ratesArray,
                                                     u16 cfgCtl,
                                                     u16 antenna_reduction,
                                                     u16 powerLimit)
{
#define CMP_CTL \
        (((cfgCtl & ~CTL_MODE_M) | (pCtlMode[ctlMode] & CTL_MODE_M)) == \
         pEepData->ctlIndex[i])

#define CMP_NO_CTL \
        (((cfgCtl & ~CTL_MODE_M) | (pCtlMode[ctlMode] & CTL_MODE_M)) == \
         ((pEepData->ctlIndex[i] & CTL_MODE_M) | SD_NO_CTL))

        u16 twiceMaxEdgePower;
        int i;
        struct cal_ctl_data_ar9287 *rep;
        struct cal_target_power_leg targetPowerOfdm = {0, {0, 0, 0, 0} },
                                    targetPowerCck = {0, {0, 0, 0, 0} };
        struct cal_target_power_leg targetPowerOfdmExt = {0, {0, 0, 0, 0} },
                                    targetPowerCckExt = {0, {0, 0, 0, 0} };
        struct cal_target_power_ht targetPowerHt20,
                                    targetPowerHt40 = {0, {0, 0, 0, 0} };
        u16 scaledPower = 0, minCtlPower;
        static const u16 ctlModesFor11g[] = {
                CTL_11B, CTL_11G, CTL_2GHT20,
                CTL_11B_EXT, CTL_11G_EXT, CTL_2GHT40
        };
        u16 numCtlModes = 0;
        const u16 *pCtlMode = NULL;
        u16 ctlMode, freq;
        struct chan_centers centers;
        int tx_chainmask;
        u16 twiceMinEdgePower;
        struct ar9287_eeprom *pEepData = &ah->eeprom.map9287;
        tx_chainmask = ah->txchainmask;

        ath9k_hw_get_channel_centers(ah, chan, &centers);
        scaledPower = ath9k_hw_get_scaled_power(ah, powerLimit,
                                                antenna_reduction);

        /*
         * Get TX power from EEPROM.
         */
        if (IS_CHAN_2GHZ(chan)) {
                /* CTL_11B, CTL_11G, CTL_2GHT20 */
                numCtlModes =
                        ARRAY_SIZE(ctlModesFor11g) - SUB_NUM_CTL_MODES_AT_2G_40;

                pCtlMode = ctlModesFor11g;

                ath9k_hw_get_legacy_target_powers(ah, chan,
                                                  pEepData->calTargetPowerCck,
                                                  AR9287_NUM_2G_CCK_TARGET_POWERS,
                                                  &targetPowerCck, 4, false);
                ath9k_hw_get_legacy_target_powers(ah, chan,
                                                  pEepData->calTargetPower2G,
                                                  AR9287_NUM_2G_20_TARGET_POWERS,
                                                  &targetPowerOfdm, 4, false);
                ath9k_hw_get_target_powers(ah, chan,
                                           pEepData->calTargetPower2GHT20,
                                           AR9287_NUM_2G_20_TARGET_POWERS,
                                           &targetPowerHt20, 8, false);

                if (IS_CHAN_HT40(chan)) {
                        /* All 2G CTLs */
                        numCtlModes = ARRAY_SIZE(ctlModesFor11g);
                        ath9k_hw_get_target_powers(ah, chan,
                                                   pEepData->calTargetPower2GHT40,
                                                   AR9287_NUM_2G_40_TARGET_POWERS,
                                                   &targetPowerHt40, 8, true);
                        ath9k_hw_get_legacy_target_powers(ah, chan,
                                                  pEepData->calTargetPowerCck,
                                                  AR9287_NUM_2G_CCK_TARGET_POWERS,
                                                  &targetPowerCckExt, 4, true);
                        ath9k_hw_get_legacy_target_powers(ah, chan,
                                                  pEepData->calTargetPower2G,
                                                  AR9287_NUM_2G_20_TARGET_POWERS,
                                                  &targetPowerOfdmExt, 4, true);
                }
        }

        for (ctlMode = 0; ctlMode < numCtlModes; ctlMode++) {
                bool isHt40CtlMode = pCtlMode[ctlMode] == CTL_2GHT40;

                if (isHt40CtlMode)
                        freq = centers.synth_center;
                else if (pCtlMode[ctlMode] & EXT_ADDITIVE)
                        freq = centers.ext_center;
                else
                        freq = centers.ctl_center;

                twiceMaxEdgePower = MAX_RATE_POWER;
                /* Walk through the CTL indices stored in EEPROM */
                for (i = 0; (i < AR9287_NUM_CTLS) && pEepData->ctlIndex[i]; i++) {
                        struct cal_ctl_edges *pRdEdgesPower;

                        /*
                         * Compare test group from regulatory channel list
                         * with test mode from pCtlMode list
                         */
                        if (CMP_CTL || CMP_NO_CTL) {
                                rep = &(pEepData->ctlData[i]);
                                pRdEdgesPower =
                                rep->ctlEdges[ar5416_get_ntxchains(tx_chainmask) - 1];

                                twiceMinEdgePower = ath9k_hw_get_max_edge_power(freq,
                                                                pRdEdgesPower,
                                                                IS_CHAN_2GHZ(chan),
                                                                AR5416_NUM_BAND_EDGES);

                                if ((cfgCtl & ~CTL_MODE_M) == SD_NO_CTL) {
                                        twiceMaxEdgePower = min(twiceMaxEdgePower,
                                                                twiceMinEdgePower);
                                } else {
                                        twiceMaxEdgePower = twiceMinEdgePower;
                                        break;
                                }
                        }
                }

                minCtlPower = (u8)min(twiceMaxEdgePower, scaledPower);

                /* Apply ctl mode to correct target power set */
                switch (pCtlMode[ctlMode]) {
                case CTL_11B:
                        for (i = 0; i < ARRAY_SIZE(targetPowerCck.tPow2x); i++) {
                                targetPowerCck.tPow2x[i] =
                                        (u8)min((u16)targetPowerCck.tPow2x[i],
                                                minCtlPower);
                        }
                        break;
                case CTL_11A:
                case CTL_11G:
                        for (i = 0; i < ARRAY_SIZE(targetPowerOfdm.tPow2x); i++) {
                                targetPowerOfdm.tPow2x[i] =
                                        (u8)min((u16)targetPowerOfdm.tPow2x[i],
                                                minCtlPower);
                        }
                        break;
                case CTL_5GHT20:
                case CTL_2GHT20:
                        for (i = 0; i < ARRAY_SIZE(targetPowerHt20.tPow2x); i++) {
                                targetPowerHt20.tPow2x[i] =
                                        (u8)min((u16)targetPowerHt20.tPow2x[i],
                                                minCtlPower);
                        }
                        break;
                case CTL_11B_EXT:
                        targetPowerCckExt.tPow2x[0] =
                                (u8)min((u16)targetPowerCckExt.tPow2x[0],
                                        minCtlPower);
                        break;
                case CTL_11A_EXT:
                case CTL_11G_EXT:
                        targetPowerOfdmExt.tPow2x[0] =
                                (u8)min((u16)targetPowerOfdmExt.tPow2x[0],
                                        minCtlPower);
                        break;
                case CTL_5GHT40:
                case CTL_2GHT40:
                        for (i = 0; i < ARRAY_SIZE(targetPowerHt40.tPow2x); i++) {
                                targetPowerHt40.tPow2x[i] =
                                        (u8)min((u16)targetPowerHt40.tPow2x[i],
                                                minCtlPower);
                        }
                        break;
                default:
                        break;
                }
        }

        /* Now set the rates array */

        ratesArray[rate6mb] =
        ratesArray[rate9mb] =
        ratesArray[rate12mb] =
        ratesArray[rate18mb] =
        ratesArray[rate24mb] = targetPowerOfdm.tPow2x[0];

        ratesArray[rate36mb] = targetPowerOfdm.tPow2x[1];
        ratesArray[rate48mb] = targetPowerOfdm.tPow2x[2];
        ratesArray[rate54mb] = targetPowerOfdm.tPow2x[3];
        ratesArray[rateXr] = targetPowerOfdm.tPow2x[0];

        for (i = 0; i < ARRAY_SIZE(targetPowerHt20.tPow2x); i++)
                ratesArray[rateHt20_0 + i] = targetPowerHt20.tPow2x[i];

        if (IS_CHAN_2GHZ(chan)) {
                ratesArray[rate1l] = targetPowerCck.tPow2x[0];
                ratesArray[rate2s] =
                ratesArray[rate2l] = targetPowerCck.tPow2x[1];
                ratesArray[rate5_5s] =
                ratesArray[rate5_5l] = targetPowerCck.tPow2x[2];
                ratesArray[rate11s] =
                ratesArray[rate11l] = targetPowerCck.tPow2x[3];
        }
        if (IS_CHAN_HT40(chan)) {
                for (i = 0; i < ARRAY_SIZE(targetPowerHt40.tPow2x); i++)
                        ratesArray[rateHt40_0 + i] = targetPowerHt40.tPow2x[i];

                ratesArray[rateDupOfdm] = targetPowerHt40.tPow2x[0];
                ratesArray[rateDupCck]  = targetPowerHt40.tPow2x[0];
                ratesArray[rateExtOfdm] = targetPowerOfdmExt.tPow2x[0];

                if (IS_CHAN_2GHZ(chan))
                        ratesArray[rateExtCck] = targetPowerCckExt.tPow2x[0];
        }

#undef CMP_CTL
#undef CMP_NO_CTL
}

static void ath9k_hw_ar9287_set_txpower(struct ath_hw *ah,
                                        struct ath9k_channel *chan, u16 cfgCtl,
                                        u8 twiceAntennaReduction,
                                        u8 powerLimit, bool test)
{
        struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
        struct ar9287_eeprom *pEepData = &ah->eeprom.map9287;
        struct modal_eep_ar9287_header *pModal = &pEepData->modalHeader;
        int16_t ratesArray[Ar5416RateSize];
        u8 ht40PowerIncForPdadc = 2;
        int i;

        memset(ratesArray, 0, sizeof(ratesArray));

        if (ath9k_hw_ar9287_get_eeprom_rev(ah) >= AR9287_EEP_MINOR_VER_2)
                ht40PowerIncForPdadc = pModal->ht40PowerIncForPdadc;

        ath9k_hw_set_ar9287_power_per_rate_table(ah, chan,
                                                 &ratesArray[0], cfgCtl,
                                                 twiceAntennaReduction,
                                                 powerLimit);

        ath9k_hw_set_ar9287_power_cal_table(ah, chan);

        regulatory->max_power_level = 0;
        for (i = 0; i < ARRAY_SIZE(ratesArray); i++) {
                if (ratesArray[i] > MAX_RATE_POWER)
                        ratesArray[i] = MAX_RATE_POWER;

                if (ratesArray[i] > regulatory->max_power_level)
                        regulatory->max_power_level = ratesArray[i];
        }

        ath9k_hw_update_regulatory_maxpower(ah);

        if (test)
                return;

        for (i = 0; i < Ar5416RateSize; i++)
                ratesArray[i] -= AR9287_PWR_TABLE_OFFSET_DB * 2;

        ENABLE_REGWRITE_BUFFER(ah);

        /* OFDM power per rate */
        REG_WRITE(ah, AR_PHY_POWER_TX_RATE1,
                  ATH9K_POW_SM(ratesArray[rate18mb], 24)
                  | ATH9K_POW_SM(ratesArray[rate12mb], 16)
                  | ATH9K_POW_SM(ratesArray[rate9mb], 8)
                  | ATH9K_POW_SM(ratesArray[rate6mb], 0));

        REG_WRITE(ah, AR_PHY_POWER_TX_RATE2,
                  ATH9K_POW_SM(ratesArray[rate54mb], 24)
                  | ATH9K_POW_SM(ratesArray[rate48mb], 16)
                  | ATH9K_POW_SM(ratesArray[rate36mb], 8)
                  | ATH9K_POW_SM(ratesArray[rate24mb], 0));

        /* CCK power per rate */
        if (IS_CHAN_2GHZ(chan)) {
                REG_WRITE(ah, AR_PHY_POWER_TX_RATE3,
                          ATH9K_POW_SM(ratesArray[rate2s], 24)
                          | ATH9K_POW_SM(ratesArray[rate2l], 16)
                          | ATH9K_POW_SM(ratesArray[rateXr], 8)
                          | ATH9K_POW_SM(ratesArray[rate1l], 0));
                REG_WRITE(ah, AR_PHY_POWER_TX_RATE4,
                          ATH9K_POW_SM(ratesArray[rate11s], 24)
                          | ATH9K_POW_SM(ratesArray[rate11l], 16)
                          | ATH9K_POW_SM(ratesArray[rate5_5s], 8)
                          | ATH9K_POW_SM(ratesArray[rate5_5l], 0));
        }

        /* HT20 power per rate */
        REG_WRITE(ah, AR_PHY_POWER_TX_RATE5,
                  ATH9K_POW_SM(ratesArray[rateHt20_3], 24)
                  | ATH9K_POW_SM(ratesArray[rateHt20_2], 16)
                  | ATH9K_POW_SM(ratesArray[rateHt20_1], 8)
                  | ATH9K_POW_SM(ratesArray[rateHt20_0], 0));

        REG_WRITE(ah, AR_PHY_POWER_TX_RATE6,
                  ATH9K_POW_SM(ratesArray[rateHt20_7], 24)
                  | ATH9K_POW_SM(ratesArray[rateHt20_6], 16)
                  | ATH9K_POW_SM(ratesArray[rateHt20_5], 8)
                  | ATH9K_POW_SM(ratesArray[rateHt20_4], 0));

        /* HT40 power per rate */
        if (IS_CHAN_HT40(chan)) {
                if (ath9k_hw_ar9287_get_eeprom(ah, EEP_OL_PWRCTRL)) {
                        REG_WRITE(ah, AR_PHY_POWER_TX_RATE7,
                                  ATH9K_POW_SM(ratesArray[rateHt40_3], 24)
                                  | ATH9K_POW_SM(ratesArray[rateHt40_2], 16)
                                  | ATH9K_POW_SM(ratesArray[rateHt40_1], 8)
                                  | ATH9K_POW_SM(ratesArray[rateHt40_0], 0));

                        REG_WRITE(ah, AR_PHY_POWER_TX_RATE8,
                                  ATH9K_POW_SM(ratesArray[rateHt40_7], 24)
                                  | ATH9K_POW_SM(ratesArray[rateHt40_6], 16)
                                  | ATH9K_POW_SM(ratesArray[rateHt40_5], 8)
                                  | ATH9K_POW_SM(ratesArray[rateHt40_4], 0));
                } else {
                        REG_WRITE(ah, AR_PHY_POWER_TX_RATE7,
                                  ATH9K_POW_SM(ratesArray[rateHt40_3] +
                                               ht40PowerIncForPdadc, 24)
                                  | ATH9K_POW_SM(ratesArray[rateHt40_2] +
                                                 ht40PowerIncForPdadc, 16)
                                  | ATH9K_POW_SM(ratesArray[rateHt40_1] +
                                                 ht40PowerIncForPdadc, 8)
                                  | ATH9K_POW_SM(ratesArray[rateHt40_0] +
                                                 ht40PowerIncForPdadc, 0));

                        REG_WRITE(ah, AR_PHY_POWER_TX_RATE8,
                                  ATH9K_POW_SM(ratesArray[rateHt40_7] +
                                               ht40PowerIncForPdadc, 24)
                                  | ATH9K_POW_SM(ratesArray[rateHt40_6] +
                                                 ht40PowerIncForPdadc, 16)
                                  | ATH9K_POW_SM(ratesArray[rateHt40_5] +
                                                 ht40PowerIncForPdadc, 8)
                                  | ATH9K_POW_SM(ratesArray[rateHt40_4] +
                                                 ht40PowerIncForPdadc, 0));
                }

                /* Dup/Ext power per rate */
                REG_WRITE(ah, AR_PHY_POWER_TX_RATE9,
                          ATH9K_POW_SM(ratesArray[rateExtOfdm], 24)
                          | ATH9K_POW_SM(ratesArray[rateExtCck], 16)
                          | ATH9K_POW_SM(ratesArray[rateDupOfdm], 8)
                          | ATH9K_POW_SM(ratesArray[rateDupCck], 0));
        }

        /* TPC initializations */
        if (ah->tpc_enabled) {
                int ht40_delta;

                ht40_delta = (IS_CHAN_HT40(chan)) ? ht40PowerIncForPdadc : 0;
                ar5008_hw_init_rate_txpower(ah, ratesArray, chan, ht40_delta);
                /* Enable TPC */
                REG_WRITE(ah, AR_PHY_POWER_TX_RATE_MAX,
                        MAX_RATE_POWER | AR_PHY_POWER_TX_RATE_MAX_TPC_ENABLE);
        } else {
                /* Disable TPC */
                REG_WRITE(ah, AR_PHY_POWER_TX_RATE_MAX, MAX_RATE_POWER);
        }

        REGWRITE_BUFFER_FLUSH(ah);
}

static void ath9k_hw_ar9287_set_board_values(struct ath_hw *ah,
                                             struct ath9k_channel *chan)
{
        struct ar9287_eeprom *eep = &ah->eeprom.map9287;
        struct modal_eep_ar9287_header *pModal = &eep->modalHeader;
        u32 regChainOffset, regval;
        u8 txRxAttenLocal;
        int i;

        pModal = &eep->modalHeader;

        REG_WRITE(ah, AR_PHY_SWITCH_COM, le32_to_cpu(pModal->antCtrlCommon));

        for (i = 0; i < AR9287_MAX_CHAINS; i++) {
                regChainOffset = i * 0x1000;

                REG_WRITE(ah, AR_PHY_SWITCH_CHAIN_0 + regChainOffset,
                          le32_to_cpu(pModal->antCtrlChain[i]));

                REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0) + regChainOffset,
                          (REG_READ(ah, AR_PHY_TIMING_CTRL4(0) + regChainOffset)
                           & ~(AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF |
                               AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF)) |
                          SM(pModal->iqCalICh[i],
                             AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF) |
                          SM(pModal->iqCalQCh[i],
                             AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF));

                txRxAttenLocal = pModal->txRxAttenCh[i];

                REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + regChainOffset,
                              AR_PHY_GAIN_2GHZ_XATTEN1_MARGIN,
                              pModal->bswMargin[i]);
                REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + regChainOffset,
                              AR_PHY_GAIN_2GHZ_XATTEN1_DB,
                              pModal->bswAtten[i]);
                REG_RMW_FIELD(ah, AR_PHY_RXGAIN + regChainOffset,
                              AR9280_PHY_RXGAIN_TXRX_ATTEN,
                              txRxAttenLocal);
                REG_RMW_FIELD(ah, AR_PHY_RXGAIN + regChainOffset,
                              AR9280_PHY_RXGAIN_TXRX_MARGIN,
                              pModal->rxTxMarginCh[i]);
        }


        if (IS_CHAN_HT40(chan))
                REG_RMW_FIELD(ah, AR_PHY_SETTLING,
                              AR_PHY_SETTLING_SWITCH, pModal->swSettleHt40);
        else
                REG_RMW_FIELD(ah, AR_PHY_SETTLING,
                              AR_PHY_SETTLING_SWITCH, pModal->switchSettling);

        REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ,
                      AR_PHY_DESIRED_SZ_ADC, pModal->adcDesiredSize);

        REG_WRITE(ah, AR_PHY_RF_CTL4,
                  SM(pModal->txEndToXpaOff, AR_PHY_RF_CTL4_TX_END_XPAA_OFF)
                  | SM(pModal->txEndToXpaOff, AR_PHY_RF_CTL4_TX_END_XPAB_OFF)
                  | SM(pModal->txFrameToXpaOn, AR_PHY_RF_CTL4_FRAME_XPAA_ON)
                  | SM(pModal->txFrameToXpaOn, AR_PHY_RF_CTL4_FRAME_XPAB_ON));

        REG_RMW_FIELD(ah, AR_PHY_RF_CTL3,
                      AR_PHY_TX_END_TO_A2_RX_ON, pModal->txEndToRxOn);

        REG_RMW_FIELD(ah, AR_PHY_CCA,
                      AR9280_PHY_CCA_THRESH62, pModal->thresh62);
        REG_RMW_FIELD(ah, AR_PHY_EXT_CCA0,
                      AR_PHY_EXT_CCA0_THRESH62, pModal->thresh62);

        regval = REG_READ(ah, AR9287_AN_RF2G3_CH0);
        regval &= ~(AR9287_AN_RF2G3_DB1 |
                    AR9287_AN_RF2G3_DB2 |
                    AR9287_AN_RF2G3_OB_CCK |
                    AR9287_AN_RF2G3_OB_PSK |
                    AR9287_AN_RF2G3_OB_QAM |
                    AR9287_AN_RF2G3_OB_PAL_OFF);
        regval |= (SM(pModal->db1, AR9287_AN_RF2G3_DB1) |
                   SM(pModal->db2, AR9287_AN_RF2G3_DB2) |
                   SM(pModal->ob_cck, AR9287_AN_RF2G3_OB_CCK) |
                   SM(pModal->ob_psk, AR9287_AN_RF2G3_OB_PSK) |
                   SM(pModal->ob_qam, AR9287_AN_RF2G3_OB_QAM) |
                   SM(pModal->ob_pal_off, AR9287_AN_RF2G3_OB_PAL_OFF));

        ath9k_hw_analog_shift_regwrite(ah, AR9287_AN_RF2G3_CH0, regval);

        regval = REG_READ(ah, AR9287_AN_RF2G3_CH1);
        regval &= ~(AR9287_AN_RF2G3_DB1 |
                    AR9287_AN_RF2G3_DB2 |
                    AR9287_AN_RF2G3_OB_CCK |
                    AR9287_AN_RF2G3_OB_PSK |
                    AR9287_AN_RF2G3_OB_QAM |
                    AR9287_AN_RF2G3_OB_PAL_OFF);
        regval |= (SM(pModal->db1, AR9287_AN_RF2G3_DB1) |
                   SM(pModal->db2, AR9287_AN_RF2G3_DB2) |
                   SM(pModal->ob_cck, AR9287_AN_RF2G3_OB_CCK) |
                   SM(pModal->ob_psk, AR9287_AN_RF2G3_OB_PSK) |
                   SM(pModal->ob_qam, AR9287_AN_RF2G3_OB_QAM) |
                   SM(pModal->ob_pal_off, AR9287_AN_RF2G3_OB_PAL_OFF));

        ath9k_hw_analog_shift_regwrite(ah, AR9287_AN_RF2G3_CH1, regval);

        REG_RMW_FIELD(ah, AR_PHY_RF_CTL2,
                      AR_PHY_TX_END_DATA_START, pModal->txFrameToDataStart);
        REG_RMW_FIELD(ah, AR_PHY_RF_CTL2,
                      AR_PHY_TX_END_PA_ON, pModal->txFrameToPaOn);

        ath9k_hw_analog_shift_rmw(ah, AR9287_AN_TOP2,
                                  AR9287_AN_TOP2_XPABIAS_LVL,
                                  AR9287_AN_TOP2_XPABIAS_LVL_S,
                                  pModal->xpaBiasLvl);
}

static u16 ath9k_hw_ar9287_get_spur_channel(struct ath_hw *ah,
                                            u16 i, bool is2GHz)
{
        __le16 spur_ch = ah->eeprom.map9287.modalHeader.spurChans[i].spurChan;

        return le16_to_cpu(spur_ch);
}

static u8 ath9k_hw_ar9287_get_eepmisc(struct ath_hw *ah)
{
        return ah->eeprom.map9287.baseEepHeader.eepMisc;
}

const struct eeprom_ops eep_ar9287_ops = {
        .check_eeprom           = ath9k_hw_ar9287_check_eeprom,
        .get_eeprom             = ath9k_hw_ar9287_get_eeprom,
        .fill_eeprom            = ath9k_hw_ar9287_fill_eeprom,
        .dump_eeprom            = ath9k_hw_ar9287_dump_eeprom,
        .get_eeprom_ver         = ath9k_hw_ar9287_get_eeprom_ver,
        .get_eeprom_rev         = ath9k_hw_ar9287_get_eeprom_rev,
        .set_board_values       = ath9k_hw_ar9287_set_board_values,
        .set_txpower            = ath9k_hw_ar9287_set_txpower,
        .get_spur_channel       = ath9k_hw_ar9287_get_spur_channel,
        .get_eepmisc            = ath9k_hw_ar9287_get_eepmisc
};