linux/drivers/net/wireless/realtek/rtlwifi/rtl8723com/phy_common.c
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   1// SPDX-License-Identifier: GPL-2.0
   2/* Copyright(c) 2009-2014  Realtek Corporation.*/
   3
   4#include "../wifi.h"
   5#include "phy_common.h"
   6#include "../rtl8723ae/reg.h"
   7#include <linux/module.h>
   8
   9/* These routines are common to RTL8723AE and RTL8723bE */
  10
  11u32 rtl8723_phy_query_bb_reg(struct ieee80211_hw *hw,
  12                             u32 regaddr, u32 bitmask)
  13{
  14        struct rtl_priv *rtlpriv = rtl_priv(hw);
  15        u32 returnvalue, originalvalue, bitshift;
  16
  17        rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE,
  18                "regaddr(%#x), bitmask(%#x)\n", regaddr, bitmask);
  19        originalvalue = rtl_read_dword(rtlpriv, regaddr);
  20        bitshift = rtl8723_phy_calculate_bit_shift(bitmask);
  21        returnvalue = (originalvalue & bitmask) >> bitshift;
  22
  23        rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE,
  24                "BBR MASK=0x%x Addr[0x%x]=0x%x\n", bitmask,
  25                regaddr, originalvalue);
  26        return returnvalue;
  27}
  28EXPORT_SYMBOL_GPL(rtl8723_phy_query_bb_reg);
  29
  30void rtl8723_phy_set_bb_reg(struct ieee80211_hw *hw, u32 regaddr,
  31                              u32 bitmask, u32 data)
  32{
  33        struct rtl_priv *rtlpriv = rtl_priv(hw);
  34        u32 originalvalue, bitshift;
  35
  36        rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE,
  37                "regaddr(%#x), bitmask(%#x), data(%#x)\n", regaddr, bitmask,
  38                data);
  39
  40        if (bitmask != MASKDWORD) {
  41                originalvalue = rtl_read_dword(rtlpriv, regaddr);
  42                bitshift = rtl8723_phy_calculate_bit_shift(bitmask);
  43                data = ((originalvalue & (~bitmask)) | (data << bitshift));
  44        }
  45
  46        rtl_write_dword(rtlpriv, regaddr, data);
  47
  48        rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE,
  49                "regaddr(%#x), bitmask(%#x), data(%#x)\n",
  50                regaddr, bitmask, data);
  51}
  52EXPORT_SYMBOL_GPL(rtl8723_phy_set_bb_reg);
  53
  54u32 rtl8723_phy_calculate_bit_shift(u32 bitmask)
  55{
  56        u32 i = ffs(bitmask);
  57
  58        return i ? i - 1 : 32;
  59}
  60EXPORT_SYMBOL_GPL(rtl8723_phy_calculate_bit_shift);
  61
  62u32 rtl8723_phy_rf_serial_read(struct ieee80211_hw *hw,
  63                               enum radio_path rfpath, u32 offset)
  64{
  65        struct rtl_priv *rtlpriv = rtl_priv(hw);
  66        struct rtl_phy *rtlphy = &(rtlpriv->phy);
  67        struct bb_reg_def *pphyreg = &rtlphy->phyreg_def[rfpath];
  68        u32 newoffset;
  69        u32 tmplong, tmplong2;
  70        u8 rfpi_enable = 0;
  71        u32 retvalue;
  72
  73        offset &= 0xff;
  74        newoffset = offset;
  75        if (RT_CANNOT_IO(hw)) {
  76                pr_err("return all one\n");
  77                return 0xFFFFFFFF;
  78        }
  79        tmplong = rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2, MASKDWORD);
  80        if (rfpath == RF90_PATH_A)
  81                tmplong2 = tmplong;
  82        else
  83                tmplong2 = rtl_get_bbreg(hw, pphyreg->rfhssi_para2, MASKDWORD);
  84        tmplong2 = (tmplong2 & (~BLSSIREADADDRESS)) |
  85            (newoffset << 23) | BLSSIREADEDGE;
  86        rtl_set_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2, MASKDWORD,
  87                      tmplong & (~BLSSIREADEDGE));
  88        rtl_set_bbreg(hw, pphyreg->rfhssi_para2, MASKDWORD, tmplong2);
  89        rtl_set_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2, MASKDWORD,
  90                      tmplong | BLSSIREADEDGE);
  91        udelay(120);
  92        if (rfpath == RF90_PATH_A)
  93                rfpi_enable = (u8) rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER1,
  94                                                 BIT(8));
  95        else if (rfpath == RF90_PATH_B)
  96                rfpi_enable = (u8) rtl_get_bbreg(hw, RFPGA0_XB_HSSIPARAMETER1,
  97                                                 BIT(8));
  98        if (rfpi_enable)
  99                retvalue = rtl_get_bbreg(hw, pphyreg->rf_rbpi,
 100                                         BLSSIREADBACKDATA);
 101        else
 102                retvalue = rtl_get_bbreg(hw, pphyreg->rf_rb,
 103                                         BLSSIREADBACKDATA);
 104        rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE,
 105                "RFR-%d Addr[0x%x]=0x%x\n",
 106                rfpath, pphyreg->rf_rb, retvalue);
 107        return retvalue;
 108}
 109EXPORT_SYMBOL_GPL(rtl8723_phy_rf_serial_read);
 110
 111void rtl8723_phy_rf_serial_write(struct ieee80211_hw *hw,
 112                                 enum radio_path rfpath,
 113                                 u32 offset, u32 data)
 114{
 115        u32 data_and_addr;
 116        u32 newoffset;
 117        struct rtl_priv *rtlpriv = rtl_priv(hw);
 118        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 119        struct bb_reg_def *pphyreg = &rtlphy->phyreg_def[rfpath];
 120
 121        if (RT_CANNOT_IO(hw)) {
 122                pr_err("stop\n");
 123                return;
 124        }
 125        offset &= 0xff;
 126        newoffset = offset;
 127        data_and_addr = ((newoffset << 20) | (data & 0x000fffff)) & 0x0fffffff;
 128        rtl_set_bbreg(hw, pphyreg->rf3wire_offset, MASKDWORD, data_and_addr);
 129        rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE,
 130                "RFW-%d Addr[0x%x]=0x%x\n",
 131                rfpath, pphyreg->rf3wire_offset,
 132                data_and_addr);
 133}
 134EXPORT_SYMBOL_GPL(rtl8723_phy_rf_serial_write);
 135
 136long rtl8723_phy_txpwr_idx_to_dbm(struct ieee80211_hw *hw,
 137                                  enum wireless_mode wirelessmode,
 138                                  u8 txpwridx)
 139{
 140        long offset;
 141        long pwrout_dbm;
 142
 143        switch (wirelessmode) {
 144        case WIRELESS_MODE_B:
 145                offset = -7;
 146                break;
 147        case WIRELESS_MODE_G:
 148        case WIRELESS_MODE_N_24G:
 149                offset = -8;
 150                break;
 151        default:
 152                offset = -8;
 153                break;
 154        }
 155        pwrout_dbm = txpwridx / 2 + offset;
 156        return pwrout_dbm;
 157}
 158EXPORT_SYMBOL_GPL(rtl8723_phy_txpwr_idx_to_dbm);
 159
 160void rtl8723_phy_init_bb_rf_reg_def(struct ieee80211_hw *hw)
 161{
 162        struct rtl_priv *rtlpriv = rtl_priv(hw);
 163        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 164
 165        rtlphy->phyreg_def[RF90_PATH_A].rfintfs = RFPGA0_XAB_RFINTERFACESW;
 166        rtlphy->phyreg_def[RF90_PATH_B].rfintfs = RFPGA0_XAB_RFINTERFACESW;
 167        rtlphy->phyreg_def[RF90_PATH_C].rfintfs = RFPGA0_XCD_RFINTERFACESW;
 168        rtlphy->phyreg_def[RF90_PATH_D].rfintfs = RFPGA0_XCD_RFINTERFACESW;
 169
 170        rtlphy->phyreg_def[RF90_PATH_A].rfintfi = RFPGA0_XAB_RFINTERFACERB;
 171        rtlphy->phyreg_def[RF90_PATH_B].rfintfi = RFPGA0_XAB_RFINTERFACERB;
 172        rtlphy->phyreg_def[RF90_PATH_C].rfintfi = RFPGA0_XCD_RFINTERFACERB;
 173        rtlphy->phyreg_def[RF90_PATH_D].rfintfi = RFPGA0_XCD_RFINTERFACERB;
 174
 175        rtlphy->phyreg_def[RF90_PATH_A].rfintfo = RFPGA0_XA_RFINTERFACEOE;
 176        rtlphy->phyreg_def[RF90_PATH_B].rfintfo = RFPGA0_XB_RFINTERFACEOE;
 177
 178        rtlphy->phyreg_def[RF90_PATH_A].rfintfe = RFPGA0_XA_RFINTERFACEOE;
 179        rtlphy->phyreg_def[RF90_PATH_B].rfintfe = RFPGA0_XB_RFINTERFACEOE;
 180
 181        rtlphy->phyreg_def[RF90_PATH_A].rf3wire_offset =
 182            RFPGA0_XA_LSSIPARAMETER;
 183        rtlphy->phyreg_def[RF90_PATH_B].rf3wire_offset =
 184            RFPGA0_XB_LSSIPARAMETER;
 185
 186        rtlphy->phyreg_def[RF90_PATH_A].rflssi_select = RFPGA0_XAB_RFPARAMETER;
 187        rtlphy->phyreg_def[RF90_PATH_B].rflssi_select = RFPGA0_XAB_RFPARAMETER;
 188        rtlphy->phyreg_def[RF90_PATH_C].rflssi_select = RFPGA0_XCD_RFPARAMETER;
 189        rtlphy->phyreg_def[RF90_PATH_D].rflssi_select = RFPGA0_XCD_RFPARAMETER;
 190
 191        rtlphy->phyreg_def[RF90_PATH_A].rftxgain_stage = RFPGA0_TXGAINSTAGE;
 192        rtlphy->phyreg_def[RF90_PATH_B].rftxgain_stage = RFPGA0_TXGAINSTAGE;
 193        rtlphy->phyreg_def[RF90_PATH_C].rftxgain_stage = RFPGA0_TXGAINSTAGE;
 194        rtlphy->phyreg_def[RF90_PATH_D].rftxgain_stage = RFPGA0_TXGAINSTAGE;
 195
 196        rtlphy->phyreg_def[RF90_PATH_A].rfhssi_para1 = RFPGA0_XA_HSSIPARAMETER1;
 197        rtlphy->phyreg_def[RF90_PATH_B].rfhssi_para1 = RFPGA0_XB_HSSIPARAMETER1;
 198
 199        rtlphy->phyreg_def[RF90_PATH_A].rfhssi_para2 = RFPGA0_XA_HSSIPARAMETER2;
 200        rtlphy->phyreg_def[RF90_PATH_B].rfhssi_para2 = RFPGA0_XB_HSSIPARAMETER2;
 201
 202        rtlphy->phyreg_def[RF90_PATH_A].rfsw_ctrl = RFPGA0_XAB_SWITCHCONTROL;
 203        rtlphy->phyreg_def[RF90_PATH_B].rfsw_ctrl = RFPGA0_XAB_SWITCHCONTROL;
 204        rtlphy->phyreg_def[RF90_PATH_C].rfsw_ctrl = RFPGA0_XCD_SWITCHCONTROL;
 205        rtlphy->phyreg_def[RF90_PATH_D].rfsw_ctrl = RFPGA0_XCD_SWITCHCONTROL;
 206
 207        rtlphy->phyreg_def[RF90_PATH_A].rfagc_control1 = ROFDM0_XAAGCCORE1;
 208        rtlphy->phyreg_def[RF90_PATH_B].rfagc_control1 = ROFDM0_XBAGCCORE1;
 209        rtlphy->phyreg_def[RF90_PATH_C].rfagc_control1 = ROFDM0_XCAGCCORE1;
 210        rtlphy->phyreg_def[RF90_PATH_D].rfagc_control1 = ROFDM0_XDAGCCORE1;
 211
 212        rtlphy->phyreg_def[RF90_PATH_A].rfagc_control2 = ROFDM0_XAAGCCORE2;
 213        rtlphy->phyreg_def[RF90_PATH_B].rfagc_control2 = ROFDM0_XBAGCCORE2;
 214        rtlphy->phyreg_def[RF90_PATH_C].rfagc_control2 = ROFDM0_XCAGCCORE2;
 215        rtlphy->phyreg_def[RF90_PATH_D].rfagc_control2 = ROFDM0_XDAGCCORE2;
 216
 217        rtlphy->phyreg_def[RF90_PATH_A].rfrxiq_imbal = ROFDM0_XARXIQIMBALANCE;
 218        rtlphy->phyreg_def[RF90_PATH_B].rfrxiq_imbal = ROFDM0_XBRXIQIMBALANCE;
 219        rtlphy->phyreg_def[RF90_PATH_C].rfrxiq_imbal = ROFDM0_XCRXIQIMBANLANCE;
 220        rtlphy->phyreg_def[RF90_PATH_D].rfrxiq_imbal = ROFDM0_XDRXIQIMBALANCE;
 221
 222        rtlphy->phyreg_def[RF90_PATH_A].rfrx_afe = ROFDM0_XARXAFE;
 223        rtlphy->phyreg_def[RF90_PATH_B].rfrx_afe = ROFDM0_XBRXAFE;
 224        rtlphy->phyreg_def[RF90_PATH_C].rfrx_afe = ROFDM0_XCRXAFE;
 225        rtlphy->phyreg_def[RF90_PATH_D].rfrx_afe = ROFDM0_XDRXAFE;
 226
 227        rtlphy->phyreg_def[RF90_PATH_A].rftxiq_imbal = ROFDM0_XATXIQIMBALANCE;
 228        rtlphy->phyreg_def[RF90_PATH_B].rftxiq_imbal = ROFDM0_XBTXIQIMBALANCE;
 229        rtlphy->phyreg_def[RF90_PATH_C].rftxiq_imbal = ROFDM0_XCTXIQIMBALANCE;
 230        rtlphy->phyreg_def[RF90_PATH_D].rftxiq_imbal = ROFDM0_XDTXIQIMBALANCE;
 231
 232        rtlphy->phyreg_def[RF90_PATH_A].rftx_afe = ROFDM0_XATXAFE;
 233        rtlphy->phyreg_def[RF90_PATH_B].rftx_afe = ROFDM0_XBTXAFE;
 234        rtlphy->phyreg_def[RF90_PATH_C].rftx_afe = ROFDM0_XCTXAFE;
 235        rtlphy->phyreg_def[RF90_PATH_D].rftx_afe = ROFDM0_XDTXAFE;
 236
 237        rtlphy->phyreg_def[RF90_PATH_A].rf_rb = RFPGA0_XA_LSSIREADBACK;
 238        rtlphy->phyreg_def[RF90_PATH_B].rf_rb = RFPGA0_XB_LSSIREADBACK;
 239        rtlphy->phyreg_def[RF90_PATH_C].rf_rb = RFPGA0_XC_LSSIREADBACK;
 240        rtlphy->phyreg_def[RF90_PATH_D].rf_rb = RFPGA0_XD_LSSIREADBACK;
 241
 242        rtlphy->phyreg_def[RF90_PATH_A].rf_rbpi = TRANSCEIVEA_HSPI_READBACK;
 243        rtlphy->phyreg_def[RF90_PATH_B].rf_rbpi = TRANSCEIVEB_HSPI_READBACK;
 244
 245}
 246EXPORT_SYMBOL_GPL(rtl8723_phy_init_bb_rf_reg_def);
 247
 248bool rtl8723_phy_set_sw_chnl_cmdarray(struct swchnlcmd *cmdtable,
 249                                      u32 cmdtableidx,
 250                                      u32 cmdtablesz,
 251                                      enum swchnlcmd_id cmdid,
 252                                      u32 para1, u32 para2,
 253                                      u32 msdelay)
 254{
 255        struct swchnlcmd *pcmd;
 256
 257        if (cmdtable == NULL) {
 258                WARN_ONCE(true, "rtl8723-common: cmdtable cannot be NULL.\n");
 259                return false;
 260        }
 261
 262        if (cmdtableidx >= cmdtablesz)
 263                return false;
 264
 265        pcmd = cmdtable + cmdtableidx;
 266        pcmd->cmdid = cmdid;
 267        pcmd->para1 = para1;
 268        pcmd->para2 = para2;
 269        pcmd->msdelay = msdelay;
 270        return true;
 271}
 272EXPORT_SYMBOL_GPL(rtl8723_phy_set_sw_chnl_cmdarray);
 273
 274void rtl8723_phy_path_a_fill_iqk_matrix(struct ieee80211_hw *hw,
 275                                        bool iqk_ok,
 276                                        long result[][8],
 277                                        u8 final_candidate,
 278                                        bool btxonly)
 279{
 280        u32 oldval_0, x, tx0_a, reg;
 281        long y, tx0_c;
 282
 283        if (final_candidate == 0xFF) {
 284                return;
 285        } else if (iqk_ok) {
 286                oldval_0 = (rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
 287                                          MASKDWORD) >> 22) & 0x3FF;
 288                x = result[final_candidate][0];
 289                if ((x & 0x00000200) != 0)
 290                        x = x | 0xFFFFFC00;
 291                tx0_a = (x * oldval_0) >> 8;
 292                rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, 0x3FF, tx0_a);
 293                rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, BIT(31),
 294                              ((x * oldval_0 >> 7) & 0x1));
 295                y = result[final_candidate][1];
 296                if ((y & 0x00000200) != 0)
 297                        y = y | 0xFFFFFC00;
 298                tx0_c = (y * oldval_0) >> 8;
 299                rtl_set_bbreg(hw, ROFDM0_XCTXAFE, 0xF0000000,
 300                              ((tx0_c & 0x3C0) >> 6));
 301                rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, 0x003F0000,
 302                              (tx0_c & 0x3F));
 303                rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, BIT(29),
 304                              ((y * oldval_0 >> 7) & 0x1));
 305                if (btxonly)
 306                        return;
 307                reg = result[final_candidate][2];
 308                rtl_set_bbreg(hw, ROFDM0_XARXIQIMBALANCE, 0x3FF, reg);
 309                reg = result[final_candidate][3] & 0x3F;
 310                rtl_set_bbreg(hw, ROFDM0_XARXIQIMBALANCE, 0xFC00, reg);
 311                reg = (result[final_candidate][3] >> 6) & 0xF;
 312                rtl_set_bbreg(hw, 0xca0, 0xF0000000, reg);
 313        }
 314}
 315EXPORT_SYMBOL_GPL(rtl8723_phy_path_a_fill_iqk_matrix);
 316
 317void rtl8723_save_adda_registers(struct ieee80211_hw *hw, u32 *addareg,
 318                                 u32 *addabackup, u32 registernum)
 319{
 320        u32 i;
 321
 322        for (i = 0; i < registernum; i++)
 323                addabackup[i] = rtl_get_bbreg(hw, addareg[i], MASKDWORD);
 324}
 325EXPORT_SYMBOL_GPL(rtl8723_save_adda_registers);
 326
 327void rtl8723_phy_save_mac_registers(struct ieee80211_hw *hw,
 328                                    u32 *macreg, u32 *macbackup)
 329{
 330        struct rtl_priv *rtlpriv = rtl_priv(hw);
 331        u32 i;
 332
 333        for (i = 0; i < (IQK_MAC_REG_NUM - 1); i++)
 334                macbackup[i] = rtl_read_byte(rtlpriv, macreg[i]);
 335        macbackup[i] = rtl_read_dword(rtlpriv, macreg[i]);
 336}
 337EXPORT_SYMBOL_GPL(rtl8723_phy_save_mac_registers);
 338
 339void rtl8723_phy_reload_adda_registers(struct ieee80211_hw *hw,
 340                                       u32 *addareg, u32 *addabackup,
 341                                       u32 regiesternum)
 342{
 343        u32 i;
 344
 345        for (i = 0; i < regiesternum; i++)
 346                rtl_set_bbreg(hw, addareg[i], MASKDWORD, addabackup[i]);
 347}
 348EXPORT_SYMBOL_GPL(rtl8723_phy_reload_adda_registers);
 349
 350void rtl8723_phy_reload_mac_registers(struct ieee80211_hw *hw,
 351                                      u32 *macreg, u32 *macbackup)
 352{
 353        struct rtl_priv *rtlpriv = rtl_priv(hw);
 354        u32 i;
 355
 356        for (i = 0; i < (IQK_MAC_REG_NUM - 1); i++)
 357                rtl_write_byte(rtlpriv, macreg[i], (u8) macbackup[i]);
 358        rtl_write_dword(rtlpriv, macreg[i], macbackup[i]);
 359}
 360EXPORT_SYMBOL_GPL(rtl8723_phy_reload_mac_registers);
 361
 362void rtl8723_phy_path_adda_on(struct ieee80211_hw *hw, u32 *addareg,
 363                              bool is_patha_on, bool is2t)
 364{
 365        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 366        u32 pathon;
 367        u32 i;
 368
 369        if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723AE) {
 370                pathon = is_patha_on ? 0x04db25a4 : 0x0b1b25a4;
 371                if (!is2t) {
 372                        pathon = 0x0bdb25a0;
 373                        rtl_set_bbreg(hw, addareg[0], MASKDWORD, 0x0b1b25a0);
 374                } else {
 375                        rtl_set_bbreg(hw, addareg[0], MASKDWORD, pathon);
 376                }
 377        } else {
 378                /* rtl8723be */
 379                pathon = 0x01c00014;
 380                rtl_set_bbreg(hw, addareg[0], MASKDWORD, pathon);
 381        }
 382
 383        for (i = 1; i < IQK_ADDA_REG_NUM; i++)
 384                rtl_set_bbreg(hw, addareg[i], MASKDWORD, pathon);
 385}
 386EXPORT_SYMBOL_GPL(rtl8723_phy_path_adda_on);
 387
 388void rtl8723_phy_mac_setting_calibration(struct ieee80211_hw *hw,
 389                                         u32 *macreg, u32 *macbackup)
 390{
 391        struct rtl_priv *rtlpriv = rtl_priv(hw);
 392        u32 i = 0;
 393
 394        rtl_write_byte(rtlpriv, macreg[i], 0x3F);
 395
 396        for (i = 1; i < (IQK_MAC_REG_NUM - 1); i++)
 397                rtl_write_byte(rtlpriv, macreg[i],
 398                               (u8) (macbackup[i] & (~BIT(3))));
 399        rtl_write_byte(rtlpriv, macreg[i], (u8) (macbackup[i] & (~BIT(5))));
 400}
 401EXPORT_SYMBOL_GPL(rtl8723_phy_mac_setting_calibration);
 402
 403void rtl8723_phy_path_a_standby(struct ieee80211_hw *hw)
 404{
 405        rtl_set_bbreg(hw, 0xe28, MASKDWORD, 0x0);
 406        rtl_set_bbreg(hw, 0x840, MASKDWORD, 0x00010000);
 407        rtl_set_bbreg(hw, 0xe28, MASKDWORD, 0x80800000);
 408}
 409EXPORT_SYMBOL_GPL(rtl8723_phy_path_a_standby);
 410
 411void rtl8723_phy_pi_mode_switch(struct ieee80211_hw *hw, bool pi_mode)
 412{
 413        u32 mode;
 414
 415        mode = pi_mode ? 0x01000100 : 0x01000000;
 416        rtl_set_bbreg(hw, 0x820, MASKDWORD, mode);
 417        rtl_set_bbreg(hw, 0x828, MASKDWORD, mode);
 418}
 419EXPORT_SYMBOL_GPL(rtl8723_phy_pi_mode_switch);
 420