root/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c
// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2009-2012  Realtek Corporation.*/

#include "../wifi.h"
#include "../efuse.h"
#include "../base.h"
#include "../cam.h"
#include "../ps.h"
#include "../usb.h"
#include "reg.h"
#include "def.h"
#include "phy.h"
#include "../rtl8192c/phy_common.h"
#include "mac.h"
#include "dm.h"
#include "../rtl8192c/dm_common.h"
#include "../rtl8192c/fw_common.h"
#include "hw.h"
#include "../rtl8192ce/hw.h"
#include "trx.h"
#include "led.h"
#include "table.h"

static void _rtl92cu_phy_param_tab_init(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_phy *rtlphy = &(rtlpriv->phy);
        struct rtl_efuse *rtlefuse = rtl_efuse(rtlpriv);

        rtlphy->hwparam_tables[MAC_REG].length = RTL8192CUMAC_2T_ARRAYLENGTH;
        rtlphy->hwparam_tables[MAC_REG].pdata = RTL8192CUMAC_2T_ARRAY;
        if (IS_HIGHT_PA(rtlefuse->board_type)) {
                rtlphy->hwparam_tables[PHY_REG_PG].length =
                        RTL8192CUPHY_REG_ARRAY_PG_HPLENGTH;
                rtlphy->hwparam_tables[PHY_REG_PG].pdata =
                        RTL8192CUPHY_REG_ARRAY_PG_HP;
        } else {
                rtlphy->hwparam_tables[PHY_REG_PG].length =
                        RTL8192CUPHY_REG_ARRAY_PGLENGTH;
                rtlphy->hwparam_tables[PHY_REG_PG].pdata =
                        RTL8192CUPHY_REG_ARRAY_PG;
        }
        /* 2T */
        rtlphy->hwparam_tables[PHY_REG_2T].length =
                        RTL8192CUPHY_REG_2TARRAY_LENGTH;
        rtlphy->hwparam_tables[PHY_REG_2T].pdata =
                        RTL8192CUPHY_REG_2TARRAY;
        rtlphy->hwparam_tables[RADIOA_2T].length =
                        RTL8192CURADIOA_2TARRAYLENGTH;
        rtlphy->hwparam_tables[RADIOA_2T].pdata =
                        RTL8192CURADIOA_2TARRAY;
        rtlphy->hwparam_tables[RADIOB_2T].length =
                        RTL8192CURADIOB_2TARRAYLENGTH;
        rtlphy->hwparam_tables[RADIOB_2T].pdata =
                        RTL8192CU_RADIOB_2TARRAY;
        rtlphy->hwparam_tables[AGCTAB_2T].length =
                        RTL8192CUAGCTAB_2TARRAYLENGTH;
        rtlphy->hwparam_tables[AGCTAB_2T].pdata =
                        RTL8192CUAGCTAB_2TARRAY;
        /* 1T */
        if (IS_HIGHT_PA(rtlefuse->board_type)) {
                rtlphy->hwparam_tables[PHY_REG_1T].length =
                        RTL8192CUPHY_REG_1T_HPARRAYLENGTH;
                rtlphy->hwparam_tables[PHY_REG_1T].pdata =
                        RTL8192CUPHY_REG_1T_HPARRAY;
                rtlphy->hwparam_tables[RADIOA_1T].length =
                        RTL8192CURADIOA_1T_HPARRAYLENGTH;
                rtlphy->hwparam_tables[RADIOA_1T].pdata =
                        RTL8192CURADIOA_1T_HPARRAY;
                rtlphy->hwparam_tables[RADIOB_1T].length =
                        RTL8192CURADIOB_1TARRAYLENGTH;
                rtlphy->hwparam_tables[RADIOB_1T].pdata =
                        RTL8192CU_RADIOB_1TARRAY;
                rtlphy->hwparam_tables[AGCTAB_1T].length =
                        RTL8192CUAGCTAB_1T_HPARRAYLENGTH;
                rtlphy->hwparam_tables[AGCTAB_1T].pdata =
                        RTL8192CUAGCTAB_1T_HPARRAY;
        } else {
                rtlphy->hwparam_tables[PHY_REG_1T].length =
                         RTL8192CUPHY_REG_1TARRAY_LENGTH;
                rtlphy->hwparam_tables[PHY_REG_1T].pdata =
                        RTL8192CUPHY_REG_1TARRAY;
                rtlphy->hwparam_tables[RADIOA_1T].length =
                        RTL8192CURADIOA_1TARRAYLENGTH;
                rtlphy->hwparam_tables[RADIOA_1T].pdata =
                        RTL8192CU_RADIOA_1TARRAY;
                rtlphy->hwparam_tables[RADIOB_1T].length =
                        RTL8192CURADIOB_1TARRAYLENGTH;
                rtlphy->hwparam_tables[RADIOB_1T].pdata =
                        RTL8192CU_RADIOB_1TARRAY;
                rtlphy->hwparam_tables[AGCTAB_1T].length =
                        RTL8192CUAGCTAB_1TARRAYLENGTH;
                rtlphy->hwparam_tables[AGCTAB_1T].pdata =
                        RTL8192CUAGCTAB_1TARRAY;
        }
}

static noinline_for_stack void
_rtl92cu_read_txpower_info_from_hwpg(struct ieee80211_hw *hw,
                                     bool autoload_fail, u8 *hwinfo)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
        u8 rf_path, index, tempval;
        u16 i;

        for (rf_path = 0; rf_path < 2; rf_path++) {
                for (i = 0; i < 3; i++) {
                        if (!autoload_fail) {
                                rtlefuse->
                                    eeprom_chnlarea_txpwr_cck[rf_path][i] =
                                    hwinfo[EEPROM_TXPOWERCCK + rf_path * 3 + i];
                                rtlefuse->
                                    eeprom_chnlarea_txpwr_ht40_1s[rf_path][i] =
                                    hwinfo[EEPROM_TXPOWERHT40_1S + rf_path * 3 +
                                           i];
                        } else {
                                rtlefuse->
                                    eeprom_chnlarea_txpwr_cck[rf_path][i] =
                                    EEPROM_DEFAULT_TXPOWERLEVEL;
                                rtlefuse->
                                    eeprom_chnlarea_txpwr_ht40_1s[rf_path][i] =
                                    EEPROM_DEFAULT_TXPOWERLEVEL;
                        }
                }
        }
        for (i = 0; i < 3; i++) {
                if (!autoload_fail)
                        tempval = hwinfo[EEPROM_TXPOWERHT40_2SDIFF + i];
                else
                        tempval = EEPROM_DEFAULT_HT40_2SDIFF;
                rtlefuse->eprom_chnl_txpwr_ht40_2sdf[RF90_PATH_A][i] =
                    (tempval & 0xf);
                rtlefuse->eprom_chnl_txpwr_ht40_2sdf[RF90_PATH_B][i] =
                    ((tempval & 0xf0) >> 4);
        }
        for (rf_path = 0; rf_path < 2; rf_path++)
                for (i = 0; i < 3; i++)
                        RTPRINT(rtlpriv, FINIT, INIT_EEPROM,
                                "RF(%d) EEPROM CCK Area(%d) = 0x%x\n",
                                rf_path, i,
                                rtlefuse->
                                eeprom_chnlarea_txpwr_cck[rf_path][i]);
        for (rf_path = 0; rf_path < 2; rf_path++)
                for (i = 0; i < 3; i++)
                        RTPRINT(rtlpriv, FINIT, INIT_EEPROM,
                                "RF(%d) EEPROM HT40 1S Area(%d) = 0x%x\n",
                                rf_path, i,
                                rtlefuse->
                                eeprom_chnlarea_txpwr_ht40_1s[rf_path][i]);
        for (rf_path = 0; rf_path < 2; rf_path++)
                for (i = 0; i < 3; i++)
                        RTPRINT(rtlpriv, FINIT, INIT_EEPROM,
                                "RF(%d) EEPROM HT40 2S Diff Area(%d) = 0x%x\n",
                                rf_path, i,
                                rtlefuse->
                                eprom_chnl_txpwr_ht40_2sdf[rf_path][i]);
        for (rf_path = 0; rf_path < 2; rf_path++) {
                for (i = 0; i < 14; i++) {
                        index = rtl92c_get_chnl_group((u8)i);
                        rtlefuse->txpwrlevel_cck[rf_path][i] =
                            rtlefuse->eeprom_chnlarea_txpwr_cck[rf_path][index];
                        rtlefuse->txpwrlevel_ht40_1s[rf_path][i] =
                            rtlefuse->
                            eeprom_chnlarea_txpwr_ht40_1s[rf_path][index];
                        rtlefuse->txpwrlevel_ht40_2s[rf_path][i] =
                                max(rtlefuse->eeprom_chnlarea_txpwr_ht40_1s[rf_path][index] -
                                    rtlefuse->eprom_chnl_txpwr_ht40_2sdf[rf_path][index], 0);
                }
                for (i = 0; i < 14; i++) {
                        RTPRINT(rtlpriv, FINIT, INIT_TXPOWER,
                                "RF(%d)-Ch(%d) [CCK / HT40_1S / HT40_2S] = [0x%x / 0x%x / 0x%x]\n", rf_path, i,
                                rtlefuse->txpwrlevel_cck[rf_path][i],
                                rtlefuse->txpwrlevel_ht40_1s[rf_path][i],
                                rtlefuse->txpwrlevel_ht40_2s[rf_path][i]);
                }
        }
        for (i = 0; i < 3; i++) {
                if (!autoload_fail) {
                        rtlefuse->eeprom_pwrlimit_ht40[i] =
                            hwinfo[EEPROM_TXPWR_GROUP + i];
                        rtlefuse->eeprom_pwrlimit_ht20[i] =
                            hwinfo[EEPROM_TXPWR_GROUP + 3 + i];
                } else {
                        rtlefuse->eeprom_pwrlimit_ht40[i] = 0;
                        rtlefuse->eeprom_pwrlimit_ht20[i] = 0;
                }
        }
        for (rf_path = 0; rf_path < 2; rf_path++) {
                for (i = 0; i < 14; i++) {
                        index = rtl92c_get_chnl_group((u8)i);
                        if (rf_path == RF90_PATH_A) {
                                rtlefuse->pwrgroup_ht20[rf_path][i] =
                                    (rtlefuse->eeprom_pwrlimit_ht20[index]
                                     & 0xf);
                                rtlefuse->pwrgroup_ht40[rf_path][i] =
                                    (rtlefuse->eeprom_pwrlimit_ht40[index]
                                     & 0xf);
                        } else if (rf_path == RF90_PATH_B) {
                                rtlefuse->pwrgroup_ht20[rf_path][i] =
                                    ((rtlefuse->eeprom_pwrlimit_ht20[index]
                                      & 0xf0) >> 4);
                                rtlefuse->pwrgroup_ht40[rf_path][i] =
                                    ((rtlefuse->eeprom_pwrlimit_ht40[index]
                                      & 0xf0) >> 4);
                        }
                        RTPRINT(rtlpriv, FINIT, INIT_TXPOWER,
                                "RF-%d pwrgroup_ht20[%d] = 0x%x\n",
                                rf_path, i,
                                rtlefuse->pwrgroup_ht20[rf_path][i]);
                        RTPRINT(rtlpriv, FINIT, INIT_TXPOWER,
                                "RF-%d pwrgroup_ht40[%d] = 0x%x\n",
                                rf_path, i,
                                rtlefuse->pwrgroup_ht40[rf_path][i]);
                }
        }
        for (i = 0; i < 14; i++) {
                index = rtl92c_get_chnl_group((u8)i);
                if (!autoload_fail)
                        tempval = hwinfo[EEPROM_TXPOWERHT20DIFF + index];
                else
                        tempval = EEPROM_DEFAULT_HT20_DIFF;
                rtlefuse->txpwr_ht20diff[RF90_PATH_A][i] = (tempval & 0xF);
                rtlefuse->txpwr_ht20diff[RF90_PATH_B][i] =
                    ((tempval >> 4) & 0xF);
                if (rtlefuse->txpwr_ht20diff[RF90_PATH_A][i] & BIT(3))
                        rtlefuse->txpwr_ht20diff[RF90_PATH_A][i] |= 0xF0;
                if (rtlefuse->txpwr_ht20diff[RF90_PATH_B][i] & BIT(3))
                        rtlefuse->txpwr_ht20diff[RF90_PATH_B][i] |= 0xF0;
                index = rtl92c_get_chnl_group((u8)i);
                if (!autoload_fail)
                        tempval = hwinfo[EEPROM_TXPOWER_OFDMDIFF + index];
                else
                        tempval = EEPROM_DEFAULT_LEGACYHTTXPOWERDIFF;
                rtlefuse->txpwr_legacyhtdiff[RF90_PATH_A][i] = (tempval & 0xF);
                rtlefuse->txpwr_legacyhtdiff[RF90_PATH_B][i] =
                    ((tempval >> 4) & 0xF);
        }
        rtlefuse->legacy_ht_txpowerdiff =
            rtlefuse->txpwr_legacyhtdiff[RF90_PATH_A][7];
        for (i = 0; i < 14; i++)
                RTPRINT(rtlpriv, FINIT, INIT_TXPOWER,
                        "RF-A Ht20 to HT40 Diff[%d] = 0x%x\n",
                        i, rtlefuse->txpwr_ht20diff[RF90_PATH_A][i]);
        for (i = 0; i < 14; i++)
                RTPRINT(rtlpriv, FINIT, INIT_TXPOWER,
                        "RF-A Legacy to Ht40 Diff[%d] = 0x%x\n",
                        i, rtlefuse->txpwr_legacyhtdiff[RF90_PATH_A][i]);
        for (i = 0; i < 14; i++)
                RTPRINT(rtlpriv, FINIT, INIT_TXPOWER,
                        "RF-B Ht20 to HT40 Diff[%d] = 0x%x\n",
                        i, rtlefuse->txpwr_ht20diff[RF90_PATH_B][i]);
        for (i = 0; i < 14; i++)
                RTPRINT(rtlpriv, FINIT, INIT_TXPOWER,
                        "RF-B Legacy to HT40 Diff[%d] = 0x%x\n",
                        i, rtlefuse->txpwr_legacyhtdiff[RF90_PATH_B][i]);
        if (!autoload_fail)
                rtlefuse->eeprom_regulatory = (hwinfo[RF_OPTION1] & 0x7);
        else
                rtlefuse->eeprom_regulatory = 0;
        RTPRINT(rtlpriv, FINIT, INIT_TXPOWER,
                "eeprom_regulatory = 0x%x\n", rtlefuse->eeprom_regulatory);
        if (!autoload_fail) {
                rtlefuse->eeprom_tssi[RF90_PATH_A] = hwinfo[EEPROM_TSSI_A];
                rtlefuse->eeprom_tssi[RF90_PATH_B] = hwinfo[EEPROM_TSSI_B];
        } else {
                rtlefuse->eeprom_tssi[RF90_PATH_A] = EEPROM_DEFAULT_TSSI;
                rtlefuse->eeprom_tssi[RF90_PATH_B] = EEPROM_DEFAULT_TSSI;
        }
        RTPRINT(rtlpriv, FINIT, INIT_TXPOWER,
                "TSSI_A = 0x%x, TSSI_B = 0x%x\n",
                rtlefuse->eeprom_tssi[RF90_PATH_A],
                rtlefuse->eeprom_tssi[RF90_PATH_B]);
        if (!autoload_fail)
                tempval = hwinfo[EEPROM_THERMAL_METER];
        else
                tempval = EEPROM_DEFAULT_THERMALMETER;
        rtlefuse->eeprom_thermalmeter = (tempval & 0x1f);
        if (rtlefuse->eeprom_thermalmeter < 0x06 ||
            rtlefuse->eeprom_thermalmeter > 0x1c)
                rtlefuse->eeprom_thermalmeter = 0x12;
        if (rtlefuse->eeprom_thermalmeter == 0x1f || autoload_fail)
                rtlefuse->apk_thermalmeterignore = true;
        rtlefuse->thermalmeter[0] = rtlefuse->eeprom_thermalmeter;
        RTPRINT(rtlpriv, FINIT, INIT_TXPOWER,
                "thermalmeter = 0x%x\n", rtlefuse->eeprom_thermalmeter);
}

static void _rtl92cu_read_board_type(struct ieee80211_hw *hw, u8 *contents)
{
        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
        u8 boardtype;

        if (IS_NORMAL_CHIP(rtlhal->version)) {
                boardtype = ((contents[EEPROM_RF_OPT1]) &
                            BOARD_TYPE_NORMAL_MASK) >> 5; /*bit[7:5]*/
        } else {
                boardtype = contents[EEPROM_RF_OPT4];
                boardtype &= BOARD_TYPE_TEST_MASK;
        }
        rtlefuse->board_type = boardtype;
        if (IS_HIGHT_PA(rtlefuse->board_type))
                rtlefuse->external_pa = 1;
        pr_info("Board Type %x\n", rtlefuse->board_type);
}

static void _rtl92cu_read_adapter_info(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
        int params[] = {RTL8190_EEPROM_ID, EEPROM_VID, EEPROM_DID,
                        EEPROM_SVID, EEPROM_SMID, EEPROM_MAC_ADDR,
                        EEPROM_CHANNELPLAN, EEPROM_VERSION, EEPROM_CUSTOMER_ID,
                        0};
        u8 *hwinfo;

        hwinfo = kzalloc(HWSET_MAX_SIZE, GFP_KERNEL);
        if (!hwinfo)
                return;

        if (rtl_get_hwinfo(hw, rtlpriv, HWSET_MAX_SIZE, hwinfo, params))
                goto exit;

        _rtl92cu_read_txpower_info_from_hwpg(hw,
                                           rtlefuse->autoload_failflag, hwinfo);
        _rtl92cu_read_board_type(hw, hwinfo);

        rtlefuse->txpwr_fromeprom = true;
        if (rtlhal->oem_id == RT_CID_DEFAULT) {
                switch (rtlefuse->eeprom_oemid) {
                case EEPROM_CID_DEFAULT:
                        if (rtlefuse->eeprom_did == 0x8176) {
                                if ((rtlefuse->eeprom_svid == 0x103C &&
                                     rtlefuse->eeprom_smid == 0x1629))
                                        rtlhal->oem_id = RT_CID_819X_HP;
                                else
                                        rtlhal->oem_id = RT_CID_DEFAULT;
                        } else {
                                rtlhal->oem_id = RT_CID_DEFAULT;
                        }
                        break;
                case EEPROM_CID_TOSHIBA:
                        rtlhal->oem_id = RT_CID_TOSHIBA;
                        break;
                case EEPROM_CID_QMI:
                        rtlhal->oem_id = RT_CID_819X_QMI;
                        break;
                case EEPROM_CID_WHQL:
                default:
                        rtlhal->oem_id = RT_CID_DEFAULT;
                        break;
                }
        }
exit:
        kfree(hwinfo);
}

static void _rtl92cu_hal_customized_behavior(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));

        switch (rtlhal->oem_id) {
        case RT_CID_819X_HP:
                rtlpriv->ledctl.led_opendrain = true;
                break;
        case RT_CID_819X_LENOVO:
        case RT_CID_DEFAULT:
        case RT_CID_TOSHIBA:
        case RT_CID_CCX:
        case RT_CID_819X_ACER:
        case RT_CID_WHQL:
        default:
                break;
        }
        rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, "RT Customized ID: 0x%02X\n",
                rtlhal->oem_id);
}

void rtl92cu_read_eeprom_info(struct ieee80211_hw *hw)
{

        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
        u8 tmp_u1b;

        if (!IS_NORMAL_CHIP(rtlhal->version))
                return;
        tmp_u1b = rtl_read_byte(rtlpriv, REG_9346CR);
        rtlefuse->epromtype = (tmp_u1b & BOOT_FROM_EEPROM) ?
                               EEPROM_93C46 : EEPROM_BOOT_EFUSE;
        rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, "Boot from %s\n",
                tmp_u1b & BOOT_FROM_EEPROM ? "EERROM" : "EFUSE");
        rtlefuse->autoload_failflag = (tmp_u1b & EEPROM_EN) ? false : true;
        rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, "Autoload %s\n",
                tmp_u1b & EEPROM_EN ? "OK!!" : "ERR!!");
        _rtl92cu_read_adapter_info(hw);
        _rtl92cu_hal_customized_behavior(hw);
        return;
}

static int _rtl92cu_init_power_on(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        int             status = 0;
        u16             value16;
        u8              value8;
        /*  polling autoload done. */
        u32     pollingcount = 0;

        do {
                if (rtl_read_byte(rtlpriv, REG_APS_FSMCO) & PFM_ALDN) {
                        rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
                                "Autoload Done!\n");
                        break;
                }
                if (pollingcount++ > 100) {
                        pr_err("Failed to polling REG_APS_FSMCO[PFM_ALDN] done!\n");
                        return -ENODEV;
                }
        } while (true);
        /* 0. RSV_CTRL 0x1C[7:0] = 0 unlock ISO/CLK/Power control register */
        rtl_write_byte(rtlpriv, REG_RSV_CTRL, 0x0);
        /* Power on when re-enter from IPS/Radio off/card disable */
        /* enable SPS into PWM mode */
        rtl_write_byte(rtlpriv, REG_SPS0_CTRL, 0x2b);
        udelay(100);
        value8 = rtl_read_byte(rtlpriv, REG_LDOV12D_CTRL);
        if (0 == (value8 & LDV12_EN)) {
                value8 |= LDV12_EN;
                rtl_write_byte(rtlpriv, REG_LDOV12D_CTRL, value8);
                rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
                        " power-on :REG_LDOV12D_CTRL Reg0x21:0x%02x\n",
                        value8);
                udelay(100);
                value8 = rtl_read_byte(rtlpriv, REG_SYS_ISO_CTRL);
                value8 &= ~ISO_MD2PP;
                rtl_write_byte(rtlpriv, REG_SYS_ISO_CTRL, value8);
        }
        /*  auto enable WLAN */
        pollingcount = 0;
        value16 = rtl_read_word(rtlpriv, REG_APS_FSMCO);
        value16 |= APFM_ONMAC;
        rtl_write_word(rtlpriv, REG_APS_FSMCO, value16);
        do {
                if (!(rtl_read_word(rtlpriv, REG_APS_FSMCO) & APFM_ONMAC)) {
                        pr_info("MAC auto ON okay!\n");
                        break;
                }
                if (pollingcount++ > 1000) {
                        pr_err("Failed to polling REG_APS_FSMCO[APFM_ONMAC] done!\n");
                        return -ENODEV;
                }
        } while (true);
        /* Enable Radio ,GPIO ,and LED function */
        rtl_write_word(rtlpriv, REG_APS_FSMCO, 0x0812);
        /* release RF digital isolation */
        value16 = rtl_read_word(rtlpriv, REG_SYS_ISO_CTRL);
        value16 &= ~ISO_DIOR;
        rtl_write_word(rtlpriv, REG_SYS_ISO_CTRL, value16);
        /* Reconsider when to do this operation after asking HWSD. */
        pollingcount = 0;
        rtl_write_byte(rtlpriv, REG_APSD_CTRL, (rtl_read_byte(rtlpriv,
                                                REG_APSD_CTRL) & ~BIT(6)));
        do {
                pollingcount++;
        } while ((pollingcount < 200) &&
                 (rtl_read_byte(rtlpriv, REG_APSD_CTRL) & BIT(7)));
        /* Enable MAC DMA/WMAC/SCHEDULE/SEC block */
        value16 = rtl_read_word(rtlpriv,  REG_CR);
        value16 |= (HCI_TXDMA_EN | HCI_RXDMA_EN | TXDMA_EN | RXDMA_EN |
                    PROTOCOL_EN | SCHEDULE_EN | MACTXEN | MACRXEN | ENSEC);
        rtl_write_word(rtlpriv, REG_CR, value16);
        return status;
}

static void _rtl92cu_init_queue_reserved_page(struct ieee80211_hw *hw,
                                              u8 out_ep_num,
                                              u8 queue_sel)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
        bool ischipn = IS_NORMAL_CHIP(rtlhal->version);
        u32 outepnum = (u32)out_ep_num;
        u32 numhq = 0;
        u32 numlq = 0;
        u32 numnq = 0;
        u32 numpubq;
        u32 value32;
        u8 value8;
        u32 txqpagenum, txqpageunit, txqremaininpage;

        numpubq = (ischipn) ? CHIP_B_PAGE_NUM_PUBQ :
                CHIP_A_PAGE_NUM_PUBQ;
        txqpagenum = TX_TOTAL_PAGE_NUMBER - numpubq;

        txqpageunit = txqpagenum / outepnum;
        txqremaininpage = txqpagenum % outepnum;
        if (queue_sel & TX_SELE_HQ)
                numhq = txqpageunit;
        if (queue_sel & TX_SELE_LQ)
                numlq = txqpageunit;
        /* HIGH priority queue always present in the configuration of
         * 2 out-ep. Remainder pages have assigned to High queue.
         */
        if (outepnum > 1 && txqremaininpage)
                numhq += txqremaininpage;
        /* NOTE: This step done before writing REG_RQPN. */
        if (ischipn) {
                if (queue_sel & TX_SELE_NQ)
                        numnq = txqpageunit;
                value8 = (u8)_NPQ(numnq);
                rtl_write_byte(rtlpriv,  REG_RQPN_NPQ, value8);
        }
        /* TX DMA */
        value32 = _HPQ(numhq) | _LPQ(numlq) | _PUBQ(numpubq) | LD_RQPN;
        rtl_write_dword(rtlpriv, REG_RQPN, value32);
}

static void _rtl92c_init_trx_buffer(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        u8      txpktbuf_bndy = TX_PAGE_BOUNDARY;
        u8      value8;

        rtl_write_byte(rtlpriv, REG_TXPKTBUF_BCNQ_BDNY, txpktbuf_bndy);
        rtl_write_byte(rtlpriv, REG_TXPKTBUF_MGQ_BDNY, txpktbuf_bndy);
        rtl_write_byte(rtlpriv, REG_TXPKTBUF_WMAC_LBK_BF_HD, txpktbuf_bndy);
        rtl_write_byte(rtlpriv, REG_TRXFF_BNDY, txpktbuf_bndy);
        rtl_write_byte(rtlpriv, REG_TDECTRL+1, txpktbuf_bndy);
        rtl_write_word(rtlpriv,  (REG_TRXFF_BNDY + 2), 0x27FF);
        value8 = _PSRX(RX_PAGE_SIZE_REG_VALUE) | _PSTX(PBP_128);
        rtl_write_byte(rtlpriv, REG_PBP, value8);
}

static void _rtl92c_init_chipn_reg_priority(struct ieee80211_hw *hw, u16 beq,
                                            u16 bkq, u16 viq, u16 voq,
                                            u16 mgtq, u16 hiq)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        u16 value16 = (rtl_read_word(rtlpriv, REG_TRXDMA_CTRL) & 0x7);

        value16 |= _TXDMA_BEQ_MAP(beq) | _TXDMA_BKQ_MAP(bkq) |
                   _TXDMA_VIQ_MAP(viq) | _TXDMA_VOQ_MAP(voq) |
                   _TXDMA_MGQ_MAP(mgtq) | _TXDMA_HIQ_MAP(hiq);
        rtl_write_word(rtlpriv,  REG_TRXDMA_CTRL, value16);
}

static void _rtl92cu_init_chipn_one_out_ep_priority(struct ieee80211_hw *hw,
                                                    u8 queue_sel)
{
        u16 value;

        switch (queue_sel) {
        case TX_SELE_HQ:
                value = QUEUE_HIGH;
                break;
        case TX_SELE_LQ:
                value = QUEUE_LOW;
                break;
        case TX_SELE_NQ:
                value = QUEUE_NORMAL;
                break;
        default:
                WARN_ON(1); /* Shall not reach here! */
                return;
        }
        _rtl92c_init_chipn_reg_priority(hw, value, value, value, value,
                                        value, value);
        pr_info("Tx queue select: 0x%02x\n", queue_sel);
}

static void _rtl92cu_init_chipn_two_out_ep_priority(struct ieee80211_hw *hw,
                                                     u8 queue_sel)
{
        u16 beq, bkq, viq, voq, mgtq, hiq;
        u16 valuehi;
        u16 valuelow;

        switch (queue_sel) {
        default:
                WARN_ON(1);
                fallthrough;
        case (TX_SELE_HQ | TX_SELE_LQ):
                valuehi = QUEUE_HIGH;
                valuelow = QUEUE_LOW;
                break;
        case (TX_SELE_NQ | TX_SELE_LQ):
                valuehi = QUEUE_NORMAL;
                valuelow = QUEUE_LOW;
                break;
        case (TX_SELE_HQ | TX_SELE_NQ):
                valuehi = QUEUE_HIGH;
                valuelow = QUEUE_NORMAL;
                break;
        }

        beq = valuelow;
        bkq = valuelow;
        viq = valuehi;
        voq = valuehi;
        mgtq = valuehi;
        hiq = valuehi;

        _rtl92c_init_chipn_reg_priority(hw, beq, bkq, viq, voq, mgtq, hiq);
        pr_info("Tx queue select: 0x%02x\n", queue_sel);
}

static void _rtl92cu_init_chipn_three_out_ep_priority(struct ieee80211_hw *hw,
                                                      u8 queue_sel)
{
        u16 beq, bkq, viq, voq, mgtq, hiq;

        beq     = QUEUE_LOW;
        bkq     = QUEUE_LOW;
        viq     = QUEUE_NORMAL;
        voq     = QUEUE_HIGH;
        mgtq    = QUEUE_HIGH;
        hiq     = QUEUE_HIGH;

        _rtl92c_init_chipn_reg_priority(hw, beq, bkq, viq, voq, mgtq, hiq);
        pr_info("Tx queue select :0x%02x..\n", queue_sel);
}

static void _rtl92cu_init_chipn_queue_priority(struct ieee80211_hw *hw,
                                               u8 out_ep_num,
                                               u8 queue_sel)
{
        switch (out_ep_num) {
        case 1:
                _rtl92cu_init_chipn_one_out_ep_priority(hw, queue_sel);
                break;
        case 2:
                _rtl92cu_init_chipn_two_out_ep_priority(hw, queue_sel);
                break;
        case 3:
                _rtl92cu_init_chipn_three_out_ep_priority(hw, queue_sel);
                break;
        default:
                WARN_ON(1); /* Shall not reach here! */
                break;
        }
}

static void _rtl92cu_init_chipt_queue_priority(struct ieee80211_hw *hw,
                                               u8 out_ep_num,
                                               u8 queue_sel)
{
        u8 hq_sele = 0;
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        switch (out_ep_num) {
        case 2: /* (TX_SELE_HQ|TX_SELE_LQ) */
                hq_sele =  HQSEL_VOQ | HQSEL_VIQ | HQSEL_MGTQ | HQSEL_HIQ;
                break;
        case 1:
                if (TX_SELE_LQ == queue_sel) {
                        /* map all endpoint to Low queue */
                        hq_sele = 0;
                } else if (TX_SELE_HQ == queue_sel) {
                        /* map all endpoint to High queue */
                        hq_sele =  HQSEL_VOQ | HQSEL_VIQ | HQSEL_BEQ |
                                   HQSEL_BKQ | HQSEL_MGTQ | HQSEL_HIQ;
                }
                break;
        default:
                WARN_ON(1); /* Shall not reach here! */
                break;
        }
        rtl_write_byte(rtlpriv, (REG_TRXDMA_CTRL+1), hq_sele);
        pr_info("Tx queue select :0x%02x..\n", hq_sele);
}

static void _rtl92cu_init_queue_priority(struct ieee80211_hw *hw,
                                                u8 out_ep_num,
                                                u8 queue_sel)
{
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));

        if (IS_NORMAL_CHIP(rtlhal->version))
                _rtl92cu_init_chipn_queue_priority(hw, out_ep_num, queue_sel);
        else
                _rtl92cu_init_chipt_queue_priority(hw, out_ep_num, queue_sel);
}

static void _rtl92cu_init_wmac_setting(struct ieee80211_hw *hw)
{
        u16 value16;
        u32 value32;
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        value32 = (RCR_APM | RCR_AM | RCR_ADF | RCR_AB | RCR_APPFCS |
                   RCR_APP_ICV | RCR_AMF | RCR_HTC_LOC_CTRL |
                   RCR_APP_MIC | RCR_APP_PHYSTS | RCR_ACRC32);
        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR, (u8 *)(&value32));
        /* Accept all multicast address */
        rtl_write_dword(rtlpriv,  REG_MAR, 0xFFFFFFFF);
        rtl_write_dword(rtlpriv,  REG_MAR + 4, 0xFFFFFFFF);
        /* Accept all management frames */
        value16 = 0xFFFF;
        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_MGT_FILTER,
                                      (u8 *)(&value16));
        /* Reject all control frame - default value is 0 */
        value16 = 0x0;
        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CTRL_FILTER,
                                      (u8 *)(&value16));
        /* Accept all data frames */
        value16 = 0xFFFF;
        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DATA_FILTER,
                                      (u8 *)(&value16));
}

static void _rtl92cu_init_beacon_parameters(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);

        rtl_write_word(rtlpriv, REG_BCN_CTRL, 0x1010);

        /* TODO: Remove these magic number */
        rtl_write_word(rtlpriv, REG_TBTT_PROHIBIT, 0x6404);
        rtl_write_byte(rtlpriv, REG_DRVERLYINT, DRIVER_EARLY_INT_TIME);
        rtl_write_byte(rtlpriv, REG_BCNDMATIM, BCN_DMA_ATIME_INT_TIME);
        /* Change beacon AIFS to the largest number
         * beacause test chip does not contension before sending beacon.
         */
        if (IS_NORMAL_CHIP(rtlhal->version))
                rtl_write_word(rtlpriv, REG_BCNTCFG, 0x660F);
        else
                rtl_write_word(rtlpriv, REG_BCNTCFG, 0x66FF);
}

static int _rtl92cu_init_mac(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
        struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
        struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
        int err = 0;
        u32 boundary = TX_PAGE_BOUNDARY;
        u8 out_ep_nums = rtlusb->out_ep_nums;
        u8 queue_sel = rtlusb->out_queue_sel;

        err = _rtl92cu_init_power_on(hw);

        if (err) {
                pr_err("Failed to init power on!\n");
                return err;
        }
        if (!rtl92c_init_llt_table(hw, boundary)) {
                pr_err("Failed to init LLT Table!\n");
                return -EINVAL;
        }
        _rtl92cu_init_queue_reserved_page(hw, out_ep_nums, queue_sel);
        _rtl92c_init_trx_buffer(hw);
        _rtl92cu_init_queue_priority(hw, out_ep_nums, queue_sel);
        /* Get Rx PHY status in order to report RSSI and others. */
        rtl92c_init_driver_info_size(hw, RTL92C_DRIVER_INFO_SIZE);
        rtl92c_init_interrupt(hw);
        rtl92c_init_network_type(hw);
        _rtl92cu_init_wmac_setting(hw);
        rtl92c_init_adaptive_ctrl(hw);
        rtl92c_init_edca(hw);
        rtl92c_init_rate_fallback(hw);
        rtl92c_init_retry_function(hw);
        rtlpriv->cfg->ops->set_bw_mode(hw, NL80211_CHAN_HT20);
        rtl92c_set_min_space(hw, IS_92C_SERIAL(rtlhal->version));
        _rtl92cu_init_beacon_parameters(hw);
        rtl92c_init_ampdu_aggregation(hw);
        rtl92c_init_beacon_max_error(hw);
        return err;
}

void rtl92cu_enable_hw_security_config(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        u8 sec_reg_value = 0x0;
        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);

        rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD,
                "PairwiseEncAlgorithm = %d GroupEncAlgorithm = %d\n",
                rtlpriv->sec.pairwise_enc_algorithm,
                rtlpriv->sec.group_enc_algorithm);
        if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) {
                rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG,
                        "not open sw encryption\n");
                return;
        }
        sec_reg_value = SCR_TXENCENABLE | SCR_RXDECENABLE;
        if (rtlpriv->sec.use_defaultkey) {
                sec_reg_value |= SCR_TXUSEDK;
                sec_reg_value |= SCR_RXUSEDK;
        }
        if (IS_NORMAL_CHIP(rtlhal->version))
                sec_reg_value |= (SCR_RXBCUSEDK | SCR_TXBCUSEDK);
        rtl_write_byte(rtlpriv, REG_CR + 1, 0x02);
        rtl_dbg(rtlpriv, COMP_SEC, DBG_LOUD, "The SECR-value %x\n",
                sec_reg_value);
        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_WPA_CONFIG, &sec_reg_value);
}

static void _rtl92cu_hw_configure(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));

        /* To Fix MAC loopback mode fail. */
        rtl_write_byte(rtlpriv, REG_LDOHCI12_CTRL, 0x0f);
        rtl_write_byte(rtlpriv, 0x15, 0xe9);
        /* HW SEQ CTRL */
        /* set 0x0 to 0xFF by tynli. Default enable HW SEQ NUM. */
        rtl_write_byte(rtlpriv, REG_HWSEQ_CTRL, 0xFF);
        /* fixed USB interface interference issue */
        rtl_write_byte(rtlpriv, 0xfe40, 0xe0);
        rtl_write_byte(rtlpriv, 0xfe41, 0x8d);
        rtl_write_byte(rtlpriv, 0xfe42, 0x80);
        rtlusb->reg_bcn_ctrl_val = 0x18;
        rtl_write_byte(rtlpriv, REG_BCN_CTRL, (u8)rtlusb->reg_bcn_ctrl_val);
}

static void _initpabias(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
        u8 pa_setting;

        /* FIXED PA current issue */
        pa_setting = efuse_read_1byte(hw, 0x1FA);
        if (!(pa_setting & BIT(0))) {
                rtl_set_rfreg(hw, RF90_PATH_A, 0x15, 0x0FFFFF, 0x0F406);
                rtl_set_rfreg(hw, RF90_PATH_A, 0x15, 0x0FFFFF, 0x4F406);
                rtl_set_rfreg(hw, RF90_PATH_A, 0x15, 0x0FFFFF, 0x8F406);
                rtl_set_rfreg(hw, RF90_PATH_A, 0x15, 0x0FFFFF, 0xCF406);
        }
        if (!(pa_setting & BIT(1)) && IS_NORMAL_CHIP(rtlhal->version) &&
            IS_92C_SERIAL(rtlhal->version)) {
                rtl_set_rfreg(hw, RF90_PATH_B, 0x15, 0x0FFFFF, 0x0F406);
                rtl_set_rfreg(hw, RF90_PATH_B, 0x15, 0x0FFFFF, 0x4F406);
                rtl_set_rfreg(hw, RF90_PATH_B, 0x15, 0x0FFFFF, 0x8F406);
                rtl_set_rfreg(hw, RF90_PATH_B, 0x15, 0x0FFFFF, 0xCF406);
        }
        if (!(pa_setting & BIT(4))) {
                pa_setting = rtl_read_byte(rtlpriv, 0x16);
                pa_setting &= 0x0F;
                rtl_write_byte(rtlpriv, 0x16, pa_setting | 0x90);
        }
}

int rtl92cu_hw_init(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        struct rtl_phy *rtlphy = &(rtlpriv->phy);
        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
        int err = 0;
        unsigned long flags;

        /* As this function can take a very long time (up to 350 ms)
         * and can be called with irqs disabled, reenable the irqs
         * to let the other devices continue being serviced.
         *
         * It is safe doing so since our own interrupts will only be enabled
         * in a subsequent step.
         */
        local_save_flags(flags);
        local_irq_enable();

        rtlhal->fw_ready = false;
        rtlhal->hw_type = HARDWARE_TYPE_RTL8192CU;
        err = _rtl92cu_init_mac(hw);
        if (err) {
                pr_err("init mac failed!\n");
                goto exit;
        }
        err = rtl92c_download_fw(hw);
        if (err) {
                rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
                        "Failed to download FW. Init HW without FW now..\n");
                err = 1;
                goto exit;
        }

        rtlhal->fw_ready = true;
        rtlhal->last_hmeboxnum = 0; /* h2c */
        _rtl92cu_phy_param_tab_init(hw);
        rtl92cu_phy_mac_config(hw);
        rtl92cu_phy_bb_config(hw);
        rtlphy->rf_mode = RF_OP_BY_SW_3WIRE;
        rtl92c_phy_rf_config(hw);
        if (IS_VENDOR_UMC_A_CUT(rtlhal->version) &&
            !IS_92C_SERIAL(rtlhal->version)) {
                rtl_set_rfreg(hw, RF90_PATH_A, RF_RX_G1, MASKDWORD, 0x30255);
                rtl_set_rfreg(hw, RF90_PATH_A, RF_RX_G2, MASKDWORD, 0x50a00);
        }
        rtlphy->rfreg_chnlval[0] = rtl_get_rfreg(hw, (enum radio_path)0,
                                                 RF_CHNLBW, RFREG_OFFSET_MASK);
        rtlphy->rfreg_chnlval[1] = rtl_get_rfreg(hw, (enum radio_path)1,
                                                 RF_CHNLBW, RFREG_OFFSET_MASK);
        rtl92cu_bb_block_on(hw);
        rtl_cam_reset_all_entry(hw);
        rtl92cu_enable_hw_security_config(hw);
        ppsc->rfpwr_state = ERFON;
        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
        if (ppsc->rfpwr_state == ERFON) {
                rtl92c_phy_set_rfpath_switch(hw, 1);
                if (rtlphy->iqk_initialized) {
                        rtl92c_phy_iq_calibrate(hw, true);
                } else {
                        rtl92c_phy_iq_calibrate(hw, false);
                        rtlphy->iqk_initialized = true;
                }
                rtl92c_dm_check_txpower_tracking(hw);
                rtl92c_phy_lc_calibrate(hw);
        }
        _rtl92cu_hw_configure(hw);
        _initpabias(hw);
        rtl92c_dm_init(hw);
exit:
        local_irq_disable();
        local_irq_restore(flags);
        return err;
}

static void disable_rfafeandresetbb(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
/**************************************
a.      TXPAUSE 0x522[7:0] = 0xFF       Pause MAC TX queue
b.      RF path 0 offset 0x00 = 0x00    disable RF
c.      APSD_CTRL 0x600[7:0] = 0x40
d.      SYS_FUNC_EN 0x02[7:0] = 0x16    reset BB state machine
e.      SYS_FUNC_EN 0x02[7:0] = 0x14    reset BB state machine
***************************************/
        u8 erfpath = 0, value8 = 0;

        rtl_write_byte(rtlpriv, REG_TXPAUSE, 0xFF);
        rtl_set_rfreg(hw, (enum radio_path)erfpath, 0x0, MASKBYTE0, 0x0);

        value8 |= APSDOFF;
        rtl_write_byte(rtlpriv, REG_APSD_CTRL, value8); /*0x40*/
        value8 = 0;
        value8 |= (FEN_USBD | FEN_USBA | FEN_BB_GLB_RSTN);
        rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, value8);/*0x16*/
        value8 &= (~FEN_BB_GLB_RSTN);
        rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, value8); /*0x14*/
}

static void  _resetdigitalprocedure1(struct ieee80211_hw *hw, bool withouthwsm)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));

        if (rtlhal->fw_version <=  0x20) {
                /*****************************
                f. MCUFWDL 0x80[7:0]=0          reset MCU ready status
                g. SYS_FUNC_EN 0x02[10]= 0      reset MCU reg, (8051 reset)
                h. SYS_FUNC_EN 0x02[15-12]= 5   reset MAC reg, DCORE
                i. SYS_FUNC_EN 0x02[10]= 1      enable MCU reg, (8051 enable)
                ******************************/
                u16 valu16 = 0;

                rtl_write_byte(rtlpriv, REG_MCUFWDL, 0);
                valu16 = rtl_read_word(rtlpriv, REG_SYS_FUNC_EN);
                rtl_write_word(rtlpriv, REG_SYS_FUNC_EN, (valu16 &
                               (~FEN_CPUEN))); /* reset MCU ,8051 */
                valu16 = rtl_read_word(rtlpriv, REG_SYS_FUNC_EN)&0x0FFF;
                rtl_write_word(rtlpriv, REG_SYS_FUNC_EN, (valu16 |
                              (FEN_HWPDN|FEN_ELDR))); /* reset MAC */
                valu16 = rtl_read_word(rtlpriv, REG_SYS_FUNC_EN);
                rtl_write_word(rtlpriv, REG_SYS_FUNC_EN, (valu16 |
                               FEN_CPUEN)); /* enable MCU ,8051 */
        } else {
                u8 retry_cnts = 0;

                /* IF fw in RAM code, do reset */
                if (rtl_read_byte(rtlpriv, REG_MCUFWDL) & BIT(1)) {
                        /* reset MCU ready status */
                        rtl_write_byte(rtlpriv, REG_MCUFWDL, 0);
                        /* 8051 reset by self */
                        rtl_write_byte(rtlpriv, REG_HMETFR+3, 0x20);
                        while ((retry_cnts++ < 100) &&
                               (FEN_CPUEN & rtl_read_word(rtlpriv,
                               REG_SYS_FUNC_EN))) {
                                udelay(50);
                        }
                        if (retry_cnts >= 100) {
                                pr_err("8051 reset failed!.........................\n");
                                /* if 8051 reset fail, reset MAC. */
                                rtl_write_byte(rtlpriv,
                                               REG_SYS_FUNC_EN + 1,
                                               0x50);
                                udelay(100);
                        }
                }
                /* Reset MAC and Enable 8051 */
                rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1, 0x54);
                rtl_write_byte(rtlpriv, REG_MCUFWDL, 0);
        }
        if (withouthwsm) {
                /*****************************
                  Without HW auto state machine
                g.SYS_CLKR 0x08[15:0] = 0x30A3          disable MAC clock
                h.AFE_PLL_CTRL 0x28[7:0] = 0x80         disable AFE PLL
                i.AFE_XTAL_CTRL 0x24[15:0] = 0x880F     gated AFE DIG_CLOCK
                j.SYS_ISu_CTRL 0x00[7:0] = 0xF9         isolated digital to PON
                ******************************/
                rtl_write_word(rtlpriv, REG_SYS_CLKR, 0x70A3);
                rtl_write_byte(rtlpriv, REG_AFE_PLL_CTRL, 0x80);
                rtl_write_word(rtlpriv, REG_AFE_XTAL_CTRL, 0x880F);
                rtl_write_byte(rtlpriv, REG_SYS_ISO_CTRL, 0xF9);
        }
}

static void _resetdigitalprocedure2(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
/*****************************
k. SYS_FUNC_EN 0x03[7:0] = 0x44         disable ELDR runction
l. SYS_CLKR 0x08[15:0] = 0x3083         disable ELDR clock
m. SYS_ISO_CTRL 0x01[7:0] = 0x83        isolated ELDR to PON
******************************/
        rtl_write_word(rtlpriv, REG_SYS_CLKR, 0x70A3);
        rtl_write_byte(rtlpriv, REG_SYS_ISO_CTRL+1, 0x82);
}

static void _disablegpio(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
/***************************************
j. GPIO_PIN_CTRL 0x44[31:0]=0x000
k. Value = GPIO_PIN_CTRL[7:0]
l.  GPIO_PIN_CTRL 0x44[31:0] = 0x00FF0000 | (value <<8); write ext PIN level
m. GPIO_MUXCFG 0x42 [15:0] = 0x0780
n. LEDCFG 0x4C[15:0] = 0x8080
***************************************/
        u8      value8;
        u16     value16;
        u32     value32;

        /* 1. Disable GPIO[7:0] */
        rtl_write_word(rtlpriv, REG_GPIO_PIN_CTRL+2, 0x0000);
        value32 = rtl_read_dword(rtlpriv, REG_GPIO_PIN_CTRL) & 0xFFFF00FF;
        value8 = (u8)(value32&0x000000FF);
        value32 |= ((value8<<8) | 0x00FF0000);
        rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, value32);
        /* 2. Disable GPIO[10:8] */
        rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG+3, 0x00);
        value16 = rtl_read_word(rtlpriv, REG_GPIO_MUXCFG+2) & 0xFF0F;
        value8 = (u8)(value16&0x000F);
        value16 |= ((value8<<4) | 0x0780);
        rtl_write_word(rtlpriv, REG_GPIO_PIN_CTRL+2, value16);
        /* 3. Disable LED0 & 1 */
        rtl_write_word(rtlpriv, REG_LEDCFG0, 0x8080);
}

static void disable_analog(struct ieee80211_hw *hw, bool withouthwsm)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        u16 value16 = 0;
        u8 value8 = 0;

        if (withouthwsm) {
                /*****************************
                n. LDOA15_CTRL 0x20[7:0] = 0x04  disable A15 power
                o. LDOV12D_CTRL 0x21[7:0] = 0x54 disable digital core power
                r. When driver call disable, the ASIC will turn off remaining
                   clock automatically
                ******************************/
                rtl_write_byte(rtlpriv, REG_LDOA15_CTRL, 0x04);
                value8 = rtl_read_byte(rtlpriv, REG_LDOV12D_CTRL);
                value8 &= (~LDV12_EN);
                rtl_write_byte(rtlpriv, REG_LDOV12D_CTRL, value8);
        }

/*****************************
h. SPS0_CTRL 0x11[7:0] = 0x23           enter PFM mode
i. APS_FSMCO 0x04[15:0] = 0x4802        set USB suspend
******************************/
        rtl_write_byte(rtlpriv, REG_SPS0_CTRL, 0x23);
        value16 |= (APDM_HOST | AFSM_HSUS | PFM_ALDN);
        rtl_write_word(rtlpriv, REG_APS_FSMCO, (u16)value16);
        rtl_write_byte(rtlpriv, REG_RSV_CTRL, 0x0E);
}

static void carddisable_hwsm(struct ieee80211_hw *hw)
{
        /* ==== RF Off Sequence ==== */
        disable_rfafeandresetbb(hw);
        /* ==== Reset digital sequence   ====== */
        _resetdigitalprocedure1(hw, false);
        /*  ==== Pull GPIO PIN to balance level and LED control ====== */
        _disablegpio(hw);
        /* ==== Disable analog sequence === */
        disable_analog(hw, false);
}

static void carddisablewithout_hwsm(struct ieee80211_hw *hw)
{
        /*==== RF Off Sequence ==== */
        disable_rfafeandresetbb(hw);
        /*  ==== Reset digital sequence   ====== */
        _resetdigitalprocedure1(hw, true);
        /*  ==== Pull GPIO PIN to balance level and LED control ====== */
        _disablegpio(hw);
        /*  ==== Reset digital sequence   ====== */
        _resetdigitalprocedure2(hw);
        /*  ==== Disable analog sequence === */
        disable_analog(hw, true);
}

static void _rtl92cu_set_bcn_ctrl_reg(struct ieee80211_hw *hw,
                                      u8 set_bits, u8 clear_bits)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));

        rtlusb->reg_bcn_ctrl_val |= set_bits;
        rtlusb->reg_bcn_ctrl_val &= ~clear_bits;
        rtl_write_byte(rtlpriv, REG_BCN_CTRL, (u8)rtlusb->reg_bcn_ctrl_val);
}

static void _rtl92cu_stop_tx_beacon(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
        u8 tmp1byte = 0;

        if (IS_NORMAL_CHIP(rtlhal->version)) {
                tmp1byte = rtl_read_byte(rtlpriv, REG_FWHW_TXQ_CTRL + 2);
                rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL + 2,
                               tmp1byte & (~BIT(6)));
                rtl_write_byte(rtlpriv, REG_TBTT_PROHIBIT + 1, 0x64);
                tmp1byte = rtl_read_byte(rtlpriv, REG_TBTT_PROHIBIT + 2);
                tmp1byte &= ~(BIT(0));
                rtl_write_byte(rtlpriv, REG_TBTT_PROHIBIT + 2, tmp1byte);
        } else {
                rtl_write_byte(rtlpriv, REG_TXPAUSE,
                               rtl_read_byte(rtlpriv, REG_TXPAUSE) | BIT(6));
        }
}

static void _rtl92cu_resume_tx_beacon(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
        u8 tmp1byte = 0;

        if (IS_NORMAL_CHIP(rtlhal->version)) {
                tmp1byte = rtl_read_byte(rtlpriv, REG_FWHW_TXQ_CTRL + 2);
                rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL + 2,
                               tmp1byte | BIT(6));
                rtl_write_byte(rtlpriv, REG_TBTT_PROHIBIT + 1, 0xff);
                tmp1byte = rtl_read_byte(rtlpriv, REG_TBTT_PROHIBIT + 2);
                tmp1byte |= BIT(0);
                rtl_write_byte(rtlpriv, REG_TBTT_PROHIBIT + 2, tmp1byte);
        } else {
                rtl_write_byte(rtlpriv, REG_TXPAUSE,
                               rtl_read_byte(rtlpriv, REG_TXPAUSE) & (~BIT(6)));
        }
}

static void _rtl92cu_enable_bcn_sub_func(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);

        if (IS_NORMAL_CHIP(rtlhal->version))
                _rtl92cu_set_bcn_ctrl_reg(hw, 0, BIT(1));
        else
                _rtl92cu_set_bcn_ctrl_reg(hw, 0, BIT(4));
}

static void _rtl92cu_disable_bcn_sub_func(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);

        if (IS_NORMAL_CHIP(rtlhal->version))
                _rtl92cu_set_bcn_ctrl_reg(hw, BIT(1), 0);
        else
                _rtl92cu_set_bcn_ctrl_reg(hw, BIT(4), 0);
}

static int _rtl92cu_set_media_status(struct ieee80211_hw *hw,
                                     enum nl80211_iftype type)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        u8 bt_msr = rtl_read_byte(rtlpriv, MSR);
        enum led_ctl_mode ledaction = LED_CTL_NO_LINK;

        bt_msr &= 0xfc;
        if (type == NL80211_IFTYPE_UNSPECIFIED || type ==
            NL80211_IFTYPE_STATION) {
                _rtl92cu_stop_tx_beacon(hw);
                _rtl92cu_enable_bcn_sub_func(hw);
        } else if (type == NL80211_IFTYPE_ADHOC || type == NL80211_IFTYPE_AP) {
                _rtl92cu_resume_tx_beacon(hw);
                _rtl92cu_disable_bcn_sub_func(hw);
        } else {
                rtl_dbg(rtlpriv, COMP_ERR, DBG_WARNING,
                        "Set HW_VAR_MEDIA_STATUS:No such media status(%x)\n",
                        type);
        }
        switch (type) {
        case NL80211_IFTYPE_UNSPECIFIED:
                bt_msr |= MSR_NOLINK;
                ledaction = LED_CTL_LINK;
                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
                        "Set Network type to NO LINK!\n");
                break;
        case NL80211_IFTYPE_ADHOC:
                bt_msr |= MSR_ADHOC;
                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
                        "Set Network type to Ad Hoc!\n");
                break;
        case NL80211_IFTYPE_STATION:
                bt_msr |= MSR_INFRA;
                ledaction = LED_CTL_LINK;
                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
                        "Set Network type to STA!\n");
                break;
        case NL80211_IFTYPE_AP:
                bt_msr |= MSR_AP;
                rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE,
                        "Set Network type to AP!\n");
                break;
        default:
                pr_err("Network type %d not supported!\n", type);
                goto error_out;
        }
        rtl_write_byte(rtlpriv, MSR, bt_msr);
        rtlpriv->cfg->ops->led_control(hw, ledaction);
        if ((bt_msr & MSR_MASK) == MSR_AP)
                rtl_write_byte(rtlpriv, REG_BCNTCFG + 1, 0x00);
        else
                rtl_write_byte(rtlpriv, REG_BCNTCFG + 1, 0x66);
        return 0;
error_out:
        return 1;
}

void rtl92cu_card_disable(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
        struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        enum nl80211_iftype opmode;

        mac->link_state = MAC80211_NOLINK;
        opmode = NL80211_IFTYPE_UNSPECIFIED;
        _rtl92cu_set_media_status(hw, opmode);
        rtlpriv->cfg->ops->led_control(hw, LED_CTL_POWER_OFF);
        RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC);
        if (rtlusb->disablehwsm)
                carddisable_hwsm(hw);
        else
                carddisablewithout_hwsm(hw);

        /* after power off we should do iqk again */
        rtlpriv->phy.iqk_initialized = false;
}

void rtl92cu_set_check_bssid(struct ieee80211_hw *hw, bool check_bssid)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
        u32 reg_rcr;

        if (rtlpriv->psc.rfpwr_state != ERFON)
                return;

        rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *)(&reg_rcr));

        if (check_bssid) {
                u8 tmp;

                if (IS_NORMAL_CHIP(rtlhal->version)) {
                        reg_rcr |= (RCR_CBSSID_DATA | RCR_CBSSID_BCN);
                        tmp = BIT(4);
                } else {
                        reg_rcr |= RCR_CBSSID;
                        tmp = BIT(4) | BIT(5);
                }
                rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
                                              (u8 *) (&reg_rcr));
                _rtl92cu_set_bcn_ctrl_reg(hw, 0, tmp);
        } else {
                u8 tmp;

                if (IS_NORMAL_CHIP(rtlhal->version)) {
                        reg_rcr &= ~(RCR_CBSSID_DATA | RCR_CBSSID_BCN);
                        tmp = BIT(4);
                } else {
                        reg_rcr &= ~RCR_CBSSID;
                        tmp = BIT(4) | BIT(5);
                }
                reg_rcr &= (~(RCR_CBSSID_DATA | RCR_CBSSID_BCN));
                rtlpriv->cfg->ops->set_hw_reg(hw,
                                              HW_VAR_RCR, (u8 *) (&reg_rcr));
                _rtl92cu_set_bcn_ctrl_reg(hw, tmp, 0);
        }
}

/*========================================================================== */

int rtl92cu_set_network_type(struct ieee80211_hw *hw, enum nl80211_iftype type)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        if (_rtl92cu_set_media_status(hw, type))
                return -EOPNOTSUPP;

        if (rtlpriv->mac80211.link_state == MAC80211_LINKED) {
                if (type != NL80211_IFTYPE_AP)
                        rtl92cu_set_check_bssid(hw, true);
        } else {
                rtl92cu_set_check_bssid(hw, false);
        }

        return 0;
}

static void _beacon_function_enable(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        _rtl92cu_set_bcn_ctrl_reg(hw, (BIT(4) | BIT(3) | BIT(1)), 0x00);
        rtl_write_byte(rtlpriv, REG_RD_CTRL+1, 0x6F);
}

void rtl92cu_set_beacon_related_registers(struct ieee80211_hw *hw)
{

        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        u16 bcn_interval, atim_window;
        u32 value32;

        bcn_interval = mac->beacon_interval;
        atim_window = 2;        /*FIX MERGE */
        rtl_write_word(rtlpriv, REG_ATIMWND, atim_window);
        rtl_write_word(rtlpriv, REG_BCN_INTERVAL, bcn_interval);
        _rtl92cu_init_beacon_parameters(hw);
        rtl_write_byte(rtlpriv, REG_SLOT, 0x09);
        /*
         * Force beacon frame transmission even after receiving beacon frame
         * from other ad hoc STA
         *
         *
         * Reset TSF Timer to zero, added by Roger. 2008.06.24
         */
        value32 = rtl_read_dword(rtlpriv, REG_TCR);
        value32 &= ~TSFRST;
        rtl_write_dword(rtlpriv, REG_TCR, value32);
        value32 |= TSFRST;
        rtl_write_dword(rtlpriv, REG_TCR, value32);
        rtl_dbg(rtlpriv, COMP_INIT | COMP_BEACON, DBG_LOUD,
                "SetBeaconRelatedRegisters8192CUsb(): Set TCR(%x)\n",
                value32);
        /* TODO: Modify later (Find the right parameters)
         * NOTE: Fix test chip's bug (about contention windows's randomness) */
        if ((mac->opmode == NL80211_IFTYPE_ADHOC) ||
            (mac->opmode == NL80211_IFTYPE_MESH_POINT) ||
            (mac->opmode == NL80211_IFTYPE_AP)) {
                rtl_write_byte(rtlpriv, REG_RXTSF_OFFSET_CCK, 0x50);
                rtl_write_byte(rtlpriv, REG_RXTSF_OFFSET_OFDM, 0x50);
        }
        _beacon_function_enable(hw);
}

void rtl92cu_set_beacon_interval(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        u16 bcn_interval = mac->beacon_interval;

        rtl_dbg(rtlpriv, COMP_BEACON, DBG_DMESG, "beacon_interval:%d\n",
                bcn_interval);
        rtl_write_word(rtlpriv, REG_BCN_INTERVAL, bcn_interval);
}

void rtl92cu_update_interrupt_mask(struct ieee80211_hw *hw,
                                   u32 add_msr, u32 rm_msr)
{
}

void rtl92cu_get_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));

        switch (variable) {
        case HW_VAR_RCR:
                *((u32 *)(val)) = mac->rx_conf;
                break;
        case HW_VAR_RF_STATE:
                *((enum rf_pwrstate *)(val)) = ppsc->rfpwr_state;
                break;
        case HW_VAR_FWLPS_RF_ON:{
                        enum rf_pwrstate rfstate;
                        u32 val_rcr;

                        rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RF_STATE,
                                                      (u8 *)(&rfstate));
                        if (rfstate == ERFOFF) {
                                *((bool *) (val)) = true;
                        } else {
                                val_rcr = rtl_read_dword(rtlpriv, REG_RCR);
                                val_rcr &= 0x00070000;
                                if (val_rcr)
                                        *((bool *) (val)) = false;
                                else
                                        *((bool *) (val)) = true;
                        }
                        break;
                }
        case HW_VAR_FW_PSMODE_STATUS:
                *((bool *) (val)) = ppsc->fw_current_inpsmode;
                break;
        case HW_VAR_CORRECT_TSF:{
                        u64 tsf;
                        u32 *ptsf_low = (u32 *)&tsf;
                        u32 *ptsf_high = ((u32 *)&tsf) + 1;

                        *ptsf_high = rtl_read_dword(rtlpriv, (REG_TSFTR + 4));
                        *ptsf_low = rtl_read_dword(rtlpriv, REG_TSFTR);
                        *((u64 *)(val)) = tsf;
                        break;
                }
        case HW_VAR_MGT_FILTER:
                *((u16 *) (val)) = rtl_read_word(rtlpriv, REG_RXFLTMAP0);
                break;
        case HW_VAR_CTRL_FILTER:
                *((u16 *) (val)) = rtl_read_word(rtlpriv, REG_RXFLTMAP1);
                break;
        case HW_VAR_DATA_FILTER:
                *((u16 *) (val)) = rtl_read_word(rtlpriv, REG_RXFLTMAP2);
                break;
        case HAL_DEF_WOWLAN:
                break;
        default:
                pr_err("switch case %#x not processed\n", variable);
                break;
        }
}

static bool usb_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
{
  /* Currently nothing happens here.
   * Traffic stops after some seconds in WPA2 802.11n mode.
   * Maybe because rtl8192cu chip should be set from here?
   * If I understand correctly, the realtek vendor driver sends some urbs
   * if its "here".
   *
   * This is maybe necessary:
   * rtlpriv->cfg->ops->fill_tx_cmddesc(hw, buffer, skb);
   */
        dev_kfree_skb(skb);

        return true;
}

void rtl92cu_set_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
        u8 idx = 0;

        switch (variable) {
        case HW_VAR_ETHER_ADDR:{
                        for (idx = 0; idx < ETH_ALEN; idx++) {
                                rtl_write_byte(rtlpriv, (REG_MACID + idx),
                                               val[idx]);
                        }
                        break;
                }
        case HW_VAR_BASIC_RATE:{
                        u16 rate_cfg = ((u16 *) val)[0];
                        u8 rate_index = 0;

                        rate_cfg &= 0x15f;
                        /* TODO */
                        /* if (mac->current_network.vender == HT_IOT_PEER_CISCO
                         *     && ((rate_cfg & 0x150) == 0)) {
                         *        rate_cfg |= 0x010;
                         * } */
                        rate_cfg |= 0x01;
                        rtl_write_byte(rtlpriv, REG_RRSR, rate_cfg & 0xff);
                        rtl_write_byte(rtlpriv, REG_RRSR + 1,
                                       (rate_cfg >> 8) & 0xff);
                        while (rate_cfg > 0x1) {
                                rate_cfg >>= 1;
                                rate_index++;
                        }
                        rtl_write_byte(rtlpriv, REG_INIRTS_RATE_SEL,
                                       rate_index);
                        break;
                }
        case HW_VAR_BSSID:{
                        for (idx = 0; idx < ETH_ALEN; idx++) {
                                rtl_write_byte(rtlpriv, (REG_BSSID + idx),
                                               val[idx]);
                        }
                        break;
                }
        case HW_VAR_SIFS:{
                        rtl_write_byte(rtlpriv, REG_SIFS_CCK + 1, val[0]);
                        rtl_write_byte(rtlpriv, REG_SIFS_OFDM + 1, val[1]);
                        rtl_write_byte(rtlpriv, REG_SPEC_SIFS + 1, val[0]);
                        rtl_write_byte(rtlpriv, REG_MAC_SPEC_SIFS + 1, val[0]);
                        rtl_write_byte(rtlpriv, REG_R2T_SIFS+1, val[0]);
                        rtl_write_byte(rtlpriv, REG_T2T_SIFS+1, val[0]);
                        rtl_dbg(rtlpriv, COMP_MLME, DBG_LOUD, "HW_VAR_SIFS\n");
                        break;
                }
        case HW_VAR_SLOT_TIME:{
                        u8 e_aci;

                        rtl_write_byte(rtlpriv, REG_SLOT, val[0]);
                        rtl_dbg(rtlpriv, COMP_MLME, DBG_LOUD,
                                "HW_VAR_SLOT_TIME %x\n", val[0]);

                        for (e_aci = 0; e_aci < AC_MAX; e_aci++)
                                rtlpriv->cfg->ops->set_hw_reg(hw,
                                                              HW_VAR_AC_PARAM,
                                                              &e_aci);
                        break;
                }
        case HW_VAR_ACK_PREAMBLE:{
                        u8 reg_tmp;
                        u8 short_preamble = (bool)*val;

                        reg_tmp = 0;
                        if (short_preamble)
                                reg_tmp |= 0x80;
                        rtl_write_byte(rtlpriv, REG_RRSR + 2, reg_tmp);
                        break;
                }
        case HW_VAR_AMPDU_MIN_SPACE:{
                        u8 min_spacing_to_set;
                        u8 sec_min_space;

                        min_spacing_to_set = *val;
                        if (min_spacing_to_set <= 7) {
                                switch (rtlpriv->sec.pairwise_enc_algorithm) {
                                case NO_ENCRYPTION:
                                case AESCCMP_ENCRYPTION:
                                        sec_min_space = 0;
                                        break;
                                case WEP40_ENCRYPTION:
                                case WEP104_ENCRYPTION:
                                case TKIP_ENCRYPTION:
                                        sec_min_space = 6;
                                        break;
                                default:
                                        sec_min_space = 7;
                                        break;
                                }
                                if (min_spacing_to_set < sec_min_space)
                                        min_spacing_to_set = sec_min_space;
                                mac->min_space_cfg = ((mac->min_space_cfg &
                                                     0xf8) |
                                                     min_spacing_to_set);
                                *val = min_spacing_to_set;
                                rtl_dbg(rtlpriv, COMP_MLME, DBG_LOUD,
                                        "Set HW_VAR_AMPDU_MIN_SPACE: %#x\n",
                                        mac->min_space_cfg);
                                rtl_write_byte(rtlpriv, REG_AMPDU_MIN_SPACE,
                                               mac->min_space_cfg);
                        }
                        break;
                }
        case HW_VAR_SHORTGI_DENSITY:{
                        u8 density_to_set;

                        density_to_set = *val;
                        density_to_set &= 0x1f;
                        mac->min_space_cfg &= 0x07;
                        mac->min_space_cfg |= (density_to_set << 3);
                        rtl_dbg(rtlpriv, COMP_MLME, DBG_LOUD,
                                "Set HW_VAR_SHORTGI_DENSITY: %#x\n",
                                mac->min_space_cfg);
                        rtl_write_byte(rtlpriv, REG_AMPDU_MIN_SPACE,
                                       mac->min_space_cfg);
                        break;
                }
        case HW_VAR_AMPDU_FACTOR:{
                        u8 regtoset_normal[4] = {0x41, 0xa8, 0x72, 0xb9};
                        u8 factor_toset;
                        u8 *p_regtoset = NULL;
                        u8 index = 0;

                        p_regtoset = regtoset_normal;
                        factor_toset = *val;
                        if (factor_toset <= 3) {
                                factor_toset = (1 << (factor_toset + 2));
                                if (factor_toset > 0xf)
                                        factor_toset = 0xf;
                                for (index = 0; index < 4; index++) {
                                        if ((p_regtoset[index] & 0xf0) >
                                            (factor_toset << 4))
                                                p_regtoset[index] =
                                                     (p_regtoset[index] & 0x0f)
                                                     | (factor_toset << 4);
                                        if ((p_regtoset[index] & 0x0f) >
                                             factor_toset)
                                                p_regtoset[index] =
                                                     (p_regtoset[index] & 0xf0)
                                                     | (factor_toset);
                                        rtl_write_byte(rtlpriv,
                                                       (REG_AGGLEN_LMT + index),
                                                       p_regtoset[index]);
                                }
                                rtl_dbg(rtlpriv, COMP_MLME, DBG_LOUD,
                                        "Set HW_VAR_AMPDU_FACTOR: %#x\n",
                                        factor_toset);
                        }
                        break;
                }
        case HW_VAR_AC_PARAM:{
                        u8 e_aci = *val;
                        u32 u4b_ac_param;
                        u16 cw_min = le16_to_cpu(mac->ac[e_aci].cw_min);
                        u16 cw_max = le16_to_cpu(mac->ac[e_aci].cw_max);
                        u16 tx_op = le16_to_cpu(mac->ac[e_aci].tx_op);

                        u4b_ac_param = (u32) mac->ac[e_aci].aifs;
                        u4b_ac_param |= (u32) ((cw_min & 0xF) <<
                                         AC_PARAM_ECW_MIN_OFFSET);
                        u4b_ac_param |= (u32) ((cw_max & 0xF) <<
                                         AC_PARAM_ECW_MAX_OFFSET);
                        u4b_ac_param |= (u32) tx_op << AC_PARAM_TXOP_OFFSET;
                        rtl_dbg(rtlpriv, COMP_MLME, DBG_LOUD,
                                "queue:%x, ac_param:%x\n",
                                e_aci, u4b_ac_param);
                        switch (e_aci) {
                        case AC1_BK:
                                rtl_write_dword(rtlpriv, REG_EDCA_BK_PARAM,
                                                u4b_ac_param);
                                break;
                        case AC0_BE:
                                rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM,
                                                u4b_ac_param);
                                break;
                        case AC2_VI:
                                rtl_write_dword(rtlpriv, REG_EDCA_VI_PARAM,
                                                u4b_ac_param);
                                break;
                        case AC3_VO:
                                rtl_write_dword(rtlpriv, REG_EDCA_VO_PARAM,
                                                u4b_ac_param);
                                break;
                        default:
                                WARN_ONCE(true, "rtl8192cu: invalid aci: %d !\n",
                                          e_aci);
                                break;
                        }
                        break;
                }
        case HW_VAR_RCR:{
                        rtl_write_dword(rtlpriv, REG_RCR, ((u32 *) (val))[0]);
                        mac->rx_conf = ((u32 *) (val))[0];
                        rtl_dbg(rtlpriv, COMP_RECV, DBG_DMESG,
                                "### Set RCR(0x%08x) ###\n", mac->rx_conf);
                        break;
                }
        case HW_VAR_RETRY_LIMIT:{
                        u8 retry_limit = val[0];

                        rtl_write_word(rtlpriv, REG_RL,
                                       retry_limit << RETRY_LIMIT_SHORT_SHIFT |
                                       retry_limit << RETRY_LIMIT_LONG_SHIFT);
                        rtl_dbg(rtlpriv, COMP_MLME, DBG_DMESG,
                                "Set HW_VAR_RETRY_LIMIT(0x%08x)\n",
                                retry_limit);
                        break;
                }
        case HW_VAR_DUAL_TSF_RST:
                rtl_write_byte(rtlpriv, REG_DUAL_TSF_RST, (BIT(0) | BIT(1)));
                break;
        case HW_VAR_EFUSE_BYTES:
                rtlefuse->efuse_usedbytes = *((u16 *) val);
                break;
        case HW_VAR_EFUSE_USAGE:
                rtlefuse->efuse_usedpercentage = *val;
                break;
        case HW_VAR_IO_CMD:
                rtl92c_phy_set_io_cmd(hw, (*(enum io_type *)val));
                break;
        case HW_VAR_WPA_CONFIG:
                rtl_write_byte(rtlpriv, REG_SECCFG, *val);
                break;
        case HW_VAR_SET_RPWM:{
                        u8 rpwm_val = rtl_read_byte(rtlpriv, REG_USB_HRPWM);

                        if (rpwm_val & BIT(7))
                                rtl_write_byte(rtlpriv, REG_USB_HRPWM, *val);
                        else
                                rtl_write_byte(rtlpriv, REG_USB_HRPWM,
                                               *val | BIT(7));
                        break;
                }
        case HW_VAR_H2C_FW_PWRMODE:{
                        u8 psmode = *val;

                        if ((psmode != FW_PS_ACTIVE_MODE) &&
                           (!IS_92C_SERIAL(rtlhal->version)))
                                rtl92c_dm_rf_saving(hw, true);
                        rtl92c_set_fw_pwrmode_cmd(hw, (*val));
                        break;
                }
        case HW_VAR_FW_PSMODE_STATUS:
                ppsc->fw_current_inpsmode = *((bool *) val);
                break;
        case HW_VAR_H2C_FW_JOINBSSRPT:{
                        u8 mstatus = *val;
                        u8 tmp_reg422;
                        bool recover = false;

                        if (mstatus == RT_MEDIA_CONNECT) {
                                rtlpriv->cfg->ops->set_hw_reg(hw,
                                                         HW_VAR_AID, NULL);
                                rtl_write_byte(rtlpriv, REG_CR + 1, 0x03);
                                _rtl92cu_set_bcn_ctrl_reg(hw, 0, BIT(3));
                                _rtl92cu_set_bcn_ctrl_reg(hw, BIT(4), 0);
                                tmp_reg422 = rtl_read_byte(rtlpriv,
                                                        REG_FWHW_TXQ_CTRL + 2);
                                if (tmp_reg422 & BIT(6))
                                        recover = true;
                                rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL + 2,
                                               tmp_reg422 & (~BIT(6)));
                                rtl92c_set_fw_rsvdpagepkt(hw,
                                                          &usb_cmd_send_packet);
                                _rtl92cu_set_bcn_ctrl_reg(hw, BIT(3), 0);
                                _rtl92cu_set_bcn_ctrl_reg(hw, 0, BIT(4));
                                if (recover)
                                        rtl_write_byte(rtlpriv,
                                                 REG_FWHW_TXQ_CTRL + 2,
                                                tmp_reg422 | BIT(6));
                                rtl_write_byte(rtlpriv, REG_CR + 1, 0x02);
                        }
                        rtl92c_set_fw_joinbss_report_cmd(hw, (*val));
                        break;
                }
        case HW_VAR_AID:{
                        u16 u2btmp;

                        u2btmp = rtl_read_word(rtlpriv, REG_BCN_PSR_RPT);
                        u2btmp &= 0xC000;
                        rtl_write_word(rtlpriv, REG_BCN_PSR_RPT,
                                       (u2btmp | mac->assoc_id));
                        break;
                }
        case HW_VAR_CORRECT_TSF:{
                        u8 btype_ibss = val[0];

                        if (btype_ibss)
                                _rtl92cu_stop_tx_beacon(hw);
                        _rtl92cu_set_bcn_ctrl_reg(hw, 0, BIT(3));
                        rtl_write_dword(rtlpriv, REG_TSFTR, (u32)(mac->tsf &
                                        0xffffffff));
                        rtl_write_dword(rtlpriv, REG_TSFTR + 4,
                                        (u32)((mac->tsf >> 32) & 0xffffffff));
                        _rtl92cu_set_bcn_ctrl_reg(hw, BIT(3), 0);
                        if (btype_ibss)
                                _rtl92cu_resume_tx_beacon(hw);
                        break;
                }
        case HW_VAR_MGT_FILTER:
                rtl_write_word(rtlpriv, REG_RXFLTMAP0, *(u16 *)val);
                mac->rx_mgt_filter = *(u16 *)val;
                break;
        case HW_VAR_CTRL_FILTER:
                rtl_write_word(rtlpriv, REG_RXFLTMAP1, *(u16 *)val);
                mac->rx_ctrl_filter = *(u16 *)val;
                break;
        case HW_VAR_DATA_FILTER:
                rtl_write_word(rtlpriv, REG_RXFLTMAP2, *(u16 *)val);
                mac->rx_data_filter = *(u16 *)val;
                break;
        case HW_VAR_KEEP_ALIVE:{
                        u8 array[2];

                        array[0] = 0xff;
                        array[1] = *((u8 *)val);
                        rtl92c_fill_h2c_cmd(hw, H2C_92C_KEEP_ALIVE_CTRL, 2,
                                            array);
                        break;
                }
        default:
                pr_err("switch case %#x not processed\n", variable);
                break;
        }
}

static void rtl92cu_update_hal_rate_table(struct ieee80211_hw *hw,
                                          struct ieee80211_sta *sta)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_phy *rtlphy = &(rtlpriv->phy);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
        u32 ratr_value;
        u8 ratr_index = 0;
        u8 nmode = mac->ht_enable;
        u8 mimo_ps = IEEE80211_SMPS_OFF;
        u16 shortgi_rate;
        u32 tmp_ratr_value;
        u8 curtxbw_40mhz = mac->bw_40;
        u8 curshortgi_40mhz = (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_40) ?
                               1 : 0;
        u8 curshortgi_20mhz = (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_20) ?
                               1 : 0;
        enum wireless_mode wirelessmode = mac->mode;

        if (rtlhal->current_bandtype == BAND_ON_5G)
                ratr_value = sta->deflink.supp_rates[1] << 4;
        else
                ratr_value = sta->deflink.supp_rates[0];
        if (mac->opmode == NL80211_IFTYPE_ADHOC)
                ratr_value = 0xfff;

        ratr_value |= (sta->deflink.ht_cap.mcs.rx_mask[1] << 20 |
                        sta->deflink.ht_cap.mcs.rx_mask[0] << 12);
        switch (wirelessmode) {
        case WIRELESS_MODE_B:
                if (ratr_value & 0x0000000c)
                        ratr_value &= 0x0000000d;
                else
                        ratr_value &= 0x0000000f;
                break;
        case WIRELESS_MODE_G:
                ratr_value &= 0x00000FF5;
                break;
        case WIRELESS_MODE_N_24G:
        case WIRELESS_MODE_N_5G:
                nmode = 1;
                if (mimo_ps == IEEE80211_SMPS_STATIC) {
                        ratr_value &= 0x0007F005;
                } else {
                        u32 ratr_mask;

                        if (get_rf_type(rtlphy) == RF_1T2R ||
                            get_rf_type(rtlphy) == RF_1T1R)
                                ratr_mask = 0x000ff005;
                        else
                                ratr_mask = 0x0f0ff005;

                        ratr_value &= ratr_mask;
                }
                break;
        default:
                if (rtlphy->rf_type == RF_1T2R)
                        ratr_value &= 0x000ff0ff;
                else
                        ratr_value &= 0x0f0ff0ff;

                break;
        }

        ratr_value &= 0x0FFFFFFF;

        if (nmode && ((curtxbw_40mhz &&
                         curshortgi_40mhz) || (!curtxbw_40mhz &&
                                               curshortgi_20mhz))) {
                ratr_value |= 0x10000000;
                tmp_ratr_value = (ratr_value >> 12);

                for (shortgi_rate = 15; shortgi_rate > 0; shortgi_rate--) {
                        if ((1 << shortgi_rate) & tmp_ratr_value)
                                break;
                }

                shortgi_rate = (shortgi_rate << 12) | (shortgi_rate << 8) |
                    (shortgi_rate << 4) | (shortgi_rate);
        }

        rtl_write_dword(rtlpriv, REG_ARFR0 + ratr_index * 4, ratr_value);

        rtl_dbg(rtlpriv, COMP_RATR, DBG_DMESG, "%x\n",
                rtl_read_dword(rtlpriv, REG_ARFR0));
}

static void rtl92cu_update_hal_rate_mask(struct ieee80211_hw *hw,
                                         struct ieee80211_sta *sta,
                                         u8 rssi_level, bool update_bw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_phy *rtlphy = &(rtlpriv->phy);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
        struct rtl_sta_info *sta_entry = NULL;
        u32 ratr_bitmap;
        u8 ratr_index;
        u8 curtxbw_40mhz = (sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40) ? 1 : 0;
        u8 curshortgi_40mhz = curtxbw_40mhz &&
                              (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_40) ?
                                1 : 0;
        u8 curshortgi_20mhz = (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_20) ?
                                1 : 0;
        enum wireless_mode wirelessmode = 0;
        bool shortgi = false;
        u8 rate_mask[5];
        u8 macid = 0;
        u8 mimo_ps = IEEE80211_SMPS_OFF;

        sta_entry = (struct rtl_sta_info *) sta->drv_priv;
        wirelessmode = sta_entry->wireless_mode;
        if (mac->opmode == NL80211_IFTYPE_STATION ||
            mac->opmode == NL80211_IFTYPE_MESH_POINT)
                curtxbw_40mhz = mac->bw_40;
        else if (mac->opmode == NL80211_IFTYPE_AP ||
                mac->opmode == NL80211_IFTYPE_ADHOC)
                macid = sta->aid + 1;

        if (rtlhal->current_bandtype == BAND_ON_5G)
                ratr_bitmap = sta->deflink.supp_rates[1] << 4;
        else
                ratr_bitmap = sta->deflink.supp_rates[0];
        if (mac->opmode == NL80211_IFTYPE_ADHOC)
                ratr_bitmap = 0xfff;
        ratr_bitmap |= (sta->deflink.ht_cap.mcs.rx_mask[1] << 20 |
                        sta->deflink.ht_cap.mcs.rx_mask[0] << 12);
        switch (wirelessmode) {
        case WIRELESS_MODE_B:
                ratr_index = RATR_INX_WIRELESS_B;
                if (ratr_bitmap & 0x0000000c)
                        ratr_bitmap &= 0x0000000d;
                else
                        ratr_bitmap &= 0x0000000f;
                break;
        case WIRELESS_MODE_G:
                ratr_index = RATR_INX_WIRELESS_GB;

                if (rssi_level == 1)
                        ratr_bitmap &= 0x00000f00;
                else if (rssi_level == 2)
                        ratr_bitmap &= 0x00000ff0;
                else
                        ratr_bitmap &= 0x00000ff5;
                break;
        case WIRELESS_MODE_A:
                ratr_index = RATR_INX_WIRELESS_A;
                ratr_bitmap &= 0x00000ff0;
                break;
        case WIRELESS_MODE_N_24G:
        case WIRELESS_MODE_N_5G:
                ratr_index = RATR_INX_WIRELESS_NGB;

                if (mimo_ps == IEEE80211_SMPS_STATIC) {
                        if (rssi_level == 1)
                                ratr_bitmap &= 0x00070000;
                        else if (rssi_level == 2)
                                ratr_bitmap &= 0x0007f000;
                        else
                                ratr_bitmap &= 0x0007f005;
                } else {
                        if (rtlphy->rf_type == RF_1T2R ||
                            rtlphy->rf_type == RF_1T1R) {
                                if (curtxbw_40mhz) {
                                        if (rssi_level == 1)
                                                ratr_bitmap &= 0x000f0000;
                                        else if (rssi_level == 2)
                                                ratr_bitmap &= 0x000ff000;
                                        else
                                                ratr_bitmap &= 0x000ff015;
                                } else {
                                        if (rssi_level == 1)
                                                ratr_bitmap &= 0x000f0000;
                                        else if (rssi_level == 2)
                                                ratr_bitmap &= 0x000ff000;
                                        else
                                                ratr_bitmap &= 0x000ff005;
                                }
                        } else {
                                if (curtxbw_40mhz) {
                                        if (rssi_level == 1)
                                                ratr_bitmap &= 0x0f0f0000;
                                        else if (rssi_level == 2)
                                                ratr_bitmap &= 0x0f0ff000;
                                        else
                                                ratr_bitmap &= 0x0f0ff015;
                                } else {
                                        if (rssi_level == 1)
                                                ratr_bitmap &= 0x0f0f0000;
                                        else if (rssi_level == 2)
                                                ratr_bitmap &= 0x0f0ff000;
                                        else
                                                ratr_bitmap &= 0x0f0ff005;
                                }
                        }
                }

                if ((curtxbw_40mhz && curshortgi_40mhz) ||
                    (!curtxbw_40mhz && curshortgi_20mhz)) {

                        if (macid == 0)
                                shortgi = true;
                        else if (macid == 1)
                                shortgi = false;
                }
                break;
        default:
                ratr_index = RATR_INX_WIRELESS_NGB;

                if (rtlphy->rf_type == RF_1T2R)
                        ratr_bitmap &= 0x000ff0ff;
                else
                        ratr_bitmap &= 0x0f0ff0ff;
                break;
        }
        sta_entry->ratr_index = ratr_index;

        rtl_dbg(rtlpriv, COMP_RATR, DBG_DMESG,
                "ratr_bitmap :%x\n", ratr_bitmap);
        *(u32 *)&rate_mask = (ratr_bitmap & 0x0fffffff) |
                                     (ratr_index << 28);
        rate_mask[4] = macid | (shortgi ? 0x20 : 0x00) | 0x80;
        rtl_dbg(rtlpriv, COMP_RATR, DBG_DMESG,
                "Rate_index:%x, ratr_val:%x, %5phC\n",
                ratr_index, ratr_bitmap, rate_mask);
        memcpy(rtlpriv->rate_mask, rate_mask, 5);
        /* rtl92c_fill_h2c_cmd() does USB I/O and will result in a
         * "scheduled while atomic" if called directly */
        schedule_work(&rtlpriv->works.fill_h2c_cmd);

        if (macid != 0)
                sta_entry->ratr_index = ratr_index;
}

void rtl92cu_update_hal_rate_tbl(struct ieee80211_hw *hw,
                                 struct ieee80211_sta *sta,
                                 u8 rssi_level, bool update_bw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        if (rtlpriv->dm.useramask)
                rtl92cu_update_hal_rate_mask(hw, sta, rssi_level, update_bw);
        else
                rtl92cu_update_hal_rate_table(hw, sta);
}

void rtl92cu_update_channel_access_setting(struct ieee80211_hw *hw)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        u16 sifs_timer;

        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME,
                                      &mac->slot_time);
        if (!mac->ht_enable)
                sifs_timer = 0x0a0a;
        else
                sifs_timer = 0x0e0e;
        rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SIFS, (u8 *)&sifs_timer);
}

bool rtl92cu_gpio_radio_on_off_checking(struct ieee80211_hw *hw, u8 * valid)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
        enum rf_pwrstate e_rfpowerstate_toset, cur_rfstate;
        u8 u1tmp = 0;
        bool actuallyset = false;
        unsigned long flag = 0;
        /* to do - usb autosuspend */
        u8 usb_autosuspend = 0;

        if (ppsc->swrf_processing)
                return false;
        spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flag);
        if (ppsc->rfchange_inprogress) {
                spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flag);
                return false;
        } else {
                ppsc->rfchange_inprogress = true;
                spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flag);
        }
        cur_rfstate = ppsc->rfpwr_state;
        if (usb_autosuspend) {
                /* to do................... */
        } else {
                if (ppsc->pwrdown_mode) {
                        u1tmp = rtl_read_byte(rtlpriv, REG_HSISR);
                        e_rfpowerstate_toset = (u1tmp & BIT(7)) ?
                                               ERFOFF : ERFON;
                        rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG,
                                "pwrdown, 0x5c(BIT7)=%02x\n", u1tmp);
                } else {
                        rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG,
                                       rtl_read_byte(rtlpriv,
                                       REG_MAC_PINMUX_CFG) & ~(BIT(3)));
                        u1tmp = rtl_read_byte(rtlpriv, REG_GPIO_IO_SEL);
                        e_rfpowerstate_toset  = (u1tmp & BIT(3)) ?
                                                 ERFON : ERFOFF;
                        rtl_dbg(rtlpriv, COMP_POWER, DBG_DMESG,
                                "GPIO_IN=%02x\n", u1tmp);
                }
                rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD, "N-SS RF =%x\n",
                        e_rfpowerstate_toset);
        }
        if ((ppsc->hwradiooff) && (e_rfpowerstate_toset == ERFON)) {
                rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
                        "GPIOChangeRF  - HW Radio ON, RF ON\n");
                ppsc->hwradiooff = false;
                actuallyset = true;
        } else if ((!ppsc->hwradiooff) && (e_rfpowerstate_toset  ==
                    ERFOFF)) {
                rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
                        "GPIOChangeRF  - HW Radio OFF\n");
                ppsc->hwradiooff = true;
                actuallyset = true;
        } else {
                rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
                        "pHalData->bHwRadioOff and eRfPowerStateToSet do not match: pHalData->bHwRadioOff %x, eRfPowerStateToSet %x\n",
                         ppsc->hwradiooff, e_rfpowerstate_toset);
        }
        if (actuallyset) {
                ppsc->hwradiooff = true;
                if (e_rfpowerstate_toset == ERFON) {
                        if ((ppsc->reg_rfps_level  & RT_RF_OFF_LEVL_ASPM) &&
                             RT_IN_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_ASPM))
                                RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_ASPM);
                        else if ((ppsc->reg_rfps_level  & RT_RF_OFF_LEVL_PCI_D3)
                                 && RT_IN_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_PCI_D3))
                                RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_PCI_D3);
                }
                spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flag);
                ppsc->rfchange_inprogress = false;
                spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flag);
                /* For power down module, we need to enable register block
                 * contrl reg at 0x1c. Then enable power down control bit
                 * of register 0x04 BIT4 and BIT15 as 1.
                 */
                if (ppsc->pwrdown_mode && e_rfpowerstate_toset == ERFOFF) {
                        /* Enable register area 0x0-0xc. */
                        rtl_write_byte(rtlpriv, REG_RSV_CTRL, 0x0);
                        rtl_write_word(rtlpriv, REG_APS_FSMCO, 0x8812);
                }
                if (e_rfpowerstate_toset == ERFOFF) {
                        if (ppsc->reg_rfps_level  & RT_RF_OFF_LEVL_ASPM)
                                RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_ASPM);
                        else if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_PCI_D3)
                                RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_PCI_D3);
                }
        } else if (e_rfpowerstate_toset == ERFOFF || cur_rfstate == ERFOFF) {
                /* Enter D3 or ASPM after GPIO had been done. */
                if (ppsc->reg_rfps_level  & RT_RF_OFF_LEVL_ASPM)
                        RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_ASPM);
                else if (ppsc->reg_rfps_level  & RT_RF_OFF_LEVL_PCI_D3)
                        RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_PCI_D3);
                spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flag);
                ppsc->rfchange_inprogress = false;
                spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flag);
        } else {
                spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flag);
                ppsc->rfchange_inprogress = false;
                spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flag);
        }
        *valid = 1;
        return !ppsc->hwradiooff;
}