drivers/net/wireless/realtek/rtlwifi/rtl8192cu/rf.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2009-2012  Realtek Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  * The full GNU General Public License is included in this distribution in the
  19  * file called LICENSE.
  20  *
  21  * Contact Information:
  22  * wlanfae <wlanfae@realtek.com>
  23  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  24  * Hsinchu 300, Taiwan.
  25  *
  26  * Larry Finger <Larry.Finger@lwfinger.net>
  27  *
  28  *****************************************************************************/
  29
  30 #include "../wifi.h"
  31 #include "reg.h"
  32 #include "def.h"
  33 #include "phy.h"
  34 #include "rf.h"
  35 #include "dm.h"
  36
  37 static bool _rtl92c_phy_rf6052_config_parafile(struct ieee80211_hw *hw);
  38
  39 void rtl92cu_phy_rf6052_set_bandwidth(struct ieee80211_hw *hw, u8 bandwidth)
  40 {
  41         struct rtl_priv *rtlpriv = rtl_priv(hw);
  42         struct rtl_phy *rtlphy = &(rtlpriv->phy);
  43
  44         switch (bandwidth) {
  45         case HT_CHANNEL_WIDTH_20:
  46                 rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
  47                                              0xfffff3ff) | 0x0400);
  48                 rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
  49                               rtlphy->rfreg_chnlval[0]);
  50                 break;
  51         case HT_CHANNEL_WIDTH_20_40:
  52                 rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
  53                                              0xfffff3ff));
  54                 rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
  55                               rtlphy->rfreg_chnlval[0]);
  56                 break;
  57         default:
  58                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
  59                          "unknown bandwidth: %#X\n", bandwidth);
  60                 break;
  61         }
  62 }
  63
  64 void rtl92cu_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw,
  65                                         u8 *ppowerlevel)
  66 {
  67         struct rtl_priv *rtlpriv = rtl_priv(hw);
  68         struct rtl_phy *rtlphy = &(rtlpriv->phy);
  69         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  70         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
  71         u32 tx_agc[2] = { 0, 0 }, tmpval = 0;
  72         bool turbo_scanoff = false;
  73         u8 idx1, idx2;
  74         u8 *ptr;
  75
  76         if ((rtlefuse->eeprom_regulatory != 0) || (rtlefuse->external_pa))
  77                 turbo_scanoff = true;
  78         if (mac->act_scanning) {
  79                 tx_agc[RF90_PATH_A] = 0x3f3f3f3f;
  80                 tx_agc[RF90_PATH_B] = 0x3f3f3f3f;
  81                 for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
  82                         tx_agc[idx1] = ppowerlevel[idx1] |
  83                             (ppowerlevel[idx1] << 8) |
  84                             (ppowerlevel[idx1] << 16) |
  85                             (ppowerlevel[idx1] << 24);
  86                         if (tx_agc[idx1] > 0x20 && rtlefuse->external_pa)
  87                                 tx_agc[idx1] = 0x20;
  88                 }
  89         } else {
  90                 if (rtlpriv->dm.dynamic_txhighpower_lvl ==
  91                     TXHIGHPWRLEVEL_LEVEL1) {
  92                         tx_agc[RF90_PATH_A] = 0x10101010;
  93                         tx_agc[RF90_PATH_B] = 0x10101010;
  94                 } else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
  95                            TXHIGHPWRLEVEL_LEVEL2) {
  96                         tx_agc[RF90_PATH_A] = 0x00000000;
  97                         tx_agc[RF90_PATH_B] = 0x00000000;
  98                 } else {
  99                         for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
 100                                 tx_agc[idx1] = ppowerlevel[idx1] |
 101                                     (ppowerlevel[idx1] << 8) |
 102                                     (ppowerlevel[idx1] << 16) |
 103                                     (ppowerlevel[idx1] << 24);
 104                         }
 105                         if (rtlefuse->eeprom_regulatory == 0) {
 106                                 tmpval = (rtlphy->mcs_offset[0][6]) +
 107                                         (rtlphy->mcs_offset[0][7] <<  8);
 108                                 tx_agc[RF90_PATH_A] += tmpval;
 109                                 tmpval = (rtlphy->mcs_offset[0][14]) +
 110                                         (rtlphy->mcs_offset[0][15] << 24);
 111                                 tx_agc[RF90_PATH_B] += tmpval;
 112                         }
 113                 }
 114         }
 115         for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
 116                 ptr = (u8 *) (&(tx_agc[idx1]));
 117                 for (idx2 = 0; idx2 < 4; idx2++) {
 118                         if (*ptr > RF6052_MAX_TX_PWR)
 119                                 *ptr = RF6052_MAX_TX_PWR;
 120                         ptr++;
 121                 }
 122         }
 123         tmpval = tx_agc[RF90_PATH_A] & 0xff;
 124         rtl_set_bbreg(hw, RTXAGC_A_CCK1_MCS32, MASKBYTE1, tmpval);
 125
 126         RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 127                 "CCK PWR 1M (rf-A) = 0x%x (reg 0x%x)\n",
 128                 tmpval, RTXAGC_A_CCK1_MCS32);
 129
 130         tmpval = tx_agc[RF90_PATH_A] >> 8;
 131         if (mac->mode == WIRELESS_MODE_B)
 132                 tmpval = tmpval & 0xff00ffff;
 133         rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, 0xffffff00, tmpval);
 134         RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 135                 "CCK PWR 2~11M (rf-A) = 0x%x (reg 0x%x)\n",
 136                 tmpval, RTXAGC_B_CCK11_A_CCK2_11);
 137         tmpval = tx_agc[RF90_PATH_B] >> 24;
 138         rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, MASKBYTE0, tmpval);
 139         RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 140                 "CCK PWR 11M (rf-B) = 0x%x (reg 0x%x)\n",
 141                 tmpval, RTXAGC_B_CCK11_A_CCK2_11);
 142         tmpval = tx_agc[RF90_PATH_B] & 0x00ffffff;
 143         rtl_set_bbreg(hw, RTXAGC_B_CCK1_55_MCS32, 0xffffff00, tmpval);
 144         RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 145                 "CCK PWR 1~5.5M (rf-B) = 0x%x (reg 0x%x)\n",
 146                 tmpval, RTXAGC_B_CCK1_55_MCS32);
 147 }
 148
 149 static void rtl92c_phy_get_power_base(struct ieee80211_hw *hw,
 150                                       u8 *ppowerlevel, u8 channel,
 151                                       u32 *ofdmbase, u32 *mcsbase)
 152 {
 153         struct rtl_priv *rtlpriv = rtl_priv(hw);
 154         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 155         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 156         u32 powerBase0, powerBase1;
 157         u8 legacy_pwrdiff = 0, ht20_pwrdiff = 0;
 158         u8 i, powerlevel[2];
 159
 160         for (i = 0; i < 2; i++) {
 161                 powerlevel[i] = ppowerlevel[i];
 162                 legacy_pwrdiff = rtlefuse->txpwr_legacyhtdiff[i][channel - 1];
 163                 powerBase0 = powerlevel[i] + legacy_pwrdiff;
 164                 powerBase0 = (powerBase0 << 24) | (powerBase0 << 16) |
 165                     (powerBase0 << 8) | powerBase0;
 166                 *(ofdmbase + i) = powerBase0;
 167                 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 168                         " [OFDM power base index rf(%c) = 0x%x]\n",
 169                         i == 0 ? 'A' : 'B', *(ofdmbase + i));
 170         }
 171         for (i = 0; i < 2; i++) {
 172                 if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20) {
 173                         ht20_pwrdiff = rtlefuse->txpwr_ht20diff[i][channel - 1];
 174                         powerlevel[i] += ht20_pwrdiff;
 175                 }
 176                 powerBase1 = powerlevel[i];
 177                 powerBase1 = (powerBase1 << 24) |
 178                     (powerBase1 << 16) | (powerBase1 << 8) | powerBase1;
 179                 *(mcsbase + i) = powerBase1;
 180                 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 181                         " [MCS power base index rf(%c) = 0x%x]\n",
 182                         i == 0 ? 'A' : 'B', *(mcsbase + i));
 183         }
 184 }
 185
 186 static void _rtl92c_get_txpower_writeval_by_regulatory(struct ieee80211_hw *hw,
 187                                                        u8 channel, u8 index,
 188                                                        u32 *powerBase0,
 189                                                        u32 *powerBase1,
 190                                                        u32 *p_outwriteval)
 191 {
 192         struct rtl_priv *rtlpriv = rtl_priv(hw);
 193         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 194         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 195         u8 i, chnlgroup = 0, pwr_diff_limit[4];
 196         u32 writeVal, customer_limit, rf;
 197
 198         for (rf = 0; rf < 2; rf++) {
 199                 switch (rtlefuse->eeprom_regulatory) {
 200                 case 0:
 201                         chnlgroup = 0;
 202                         writeVal = rtlphy->mcs_offset
 203                             [chnlgroup][index + (rf ? 8 : 0)]
 204                             + ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
 205                         RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 206                                 "RTK better performance,writeVal(%c) = 0x%x\n",
 207                                 rf == 0 ? 'A' : 'B', writeVal);
 208                         break;
 209                 case 1:
 210                         if (rtlphy->pwrgroup_cnt == 1)
 211                                 chnlgroup = 0;
 212                         if (rtlphy->pwrgroup_cnt >= 3) {
 213                                 if (channel <= 3)
 214                                         chnlgroup = 0;
 215                                 else if (channel >= 4 && channel <= 9)
 216                                         chnlgroup = 1;
 217                                 else if (channel > 9)
 218                                         chnlgroup = 2;
 219                                 if (rtlphy->current_chan_bw ==
 220                                     HT_CHANNEL_WIDTH_20)
 221                                         chnlgroup++;
 222                                 else
 223                                         chnlgroup += 4;
 224                         }
 225                         writeVal = rtlphy->mcs_offset[chnlgroup][index +
 226                                         (rf ? 8 : 0)] +
 227                                         ((index < 2) ? powerBase0[rf] :
 228                                         powerBase1[rf]);
 229                         RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 230                                 "Realtek regulatory, 20MHz, writeVal(%c) = 0x%x\n",
 231                                 rf == 0 ? 'A' : 'B', writeVal);
 232                         break;
 233                 case 2:
 234                         writeVal = ((index < 2) ? powerBase0[rf] :
 235                                    powerBase1[rf]);
 236                         RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 237                                 "Better regulatory,writeVal(%c) = 0x%x\n",
 238                                 rf == 0 ? 'A' : 'B', writeVal);
 239                         break;
 240                 case 3:
 241                         chnlgroup = 0;
 242                         if (rtlphy->current_chan_bw ==
 243                             HT_CHANNEL_WIDTH_20_40) {
 244                                 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 245                                         "customer's limit, 40MHzrf(%c) = 0x%x\n",
 246                                         rf == 0 ? 'A' : 'B',
 247                                         rtlefuse->pwrgroup_ht40[rf]
 248                                         [channel - 1]);
 249                         } else {
 250                                 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 251                                         "customer's limit, 20MHz rf(%c) = 0x%x\n",
 252                                         rf == 0 ? 'A' : 'B',
 253                                         rtlefuse->pwrgroup_ht20[rf]
 254                                         [channel - 1]);
 255                         }
 256                         for (i = 0; i < 4; i++) {
 257                                 pwr_diff_limit[i] = (u8) ((rtlphy->mcs_offset
 258                                     [chnlgroup][index + (rf ? 8 : 0)]
 259                                     & (0x7f << (i * 8))) >> (i * 8));
 260                                 if (rtlphy->current_chan_bw ==
 261                                     HT_CHANNEL_WIDTH_20_40) {
 262                                         if (pwr_diff_limit[i] >
 263                                             rtlefuse->pwrgroup_ht40[rf]
 264                                                 [channel - 1])
 265                                                 pwr_diff_limit[i] = rtlefuse->
 266                                                     pwrgroup_ht40[rf]
 267                                                     [channel - 1];
 268                                 } else {
 269                                         if (pwr_diff_limit[i] >
 270                                             rtlefuse->pwrgroup_ht20[rf]
 271                                                 [channel - 1])
 272                                                 pwr_diff_limit[i] =
 273                                                     rtlefuse->pwrgroup_ht20[rf]
 274                                                     [channel - 1];
 275                                 }
 276                         }
 277                         customer_limit = (pwr_diff_limit[3] << 24) |
 278                             (pwr_diff_limit[2] << 16) |
 279                             (pwr_diff_limit[1] << 8) | (pwr_diff_limit[0]);
 280                         RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 281                                 "Customer's limit rf(%c) = 0x%x\n",
 282                                 rf == 0 ? 'A' : 'B', customer_limit);
 283                         writeVal = customer_limit + ((index < 2) ?
 284                                    powerBase0[rf] : powerBase1[rf]);
 285                         RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 286                                 "Customer, writeVal rf(%c)= 0x%x\n",
 287                                 rf == 0 ? 'A' : 'B', writeVal);
 288                         break;
 289                 default:
 290                         chnlgroup = 0;
 291                         writeVal = rtlphy->mcs_offset[chnlgroup]
 292                                    [index + (rf ? 8 : 0)] + ((index < 2) ?
 293                                    powerBase0[rf] : powerBase1[rf]);
 294                         RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 295                                 "RTK better performance, writeValrf(%c) = 0x%x\n",
 296                                 rf == 0 ? 'A' : 'B', writeVal);
 297                         break;
 298                 }
 299                 if (rtlpriv->dm.dynamic_txhighpower_lvl ==
 300                     TXHIGHPWRLEVEL_LEVEL1)
 301                         writeVal = 0x14141414;
 302                 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
 303                          TXHIGHPWRLEVEL_LEVEL2)
 304                         writeVal = 0x00000000;
 305                 if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
 306                         writeVal = writeVal - 0x06060606;
 307                 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
 308                          TXHIGHPWRLEVEL_BT2)
 309                         writeVal = writeVal;
 310                 *(p_outwriteval + rf) = writeVal;
 311         }
 312 }
 313
 314 static void _rtl92c_write_ofdm_power_reg(struct ieee80211_hw *hw,
 315                                          u8 index, u32 *pValue)
 316 {
 317         struct rtl_priv *rtlpriv = rtl_priv(hw);
 318         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 319         u16 regoffset_a[6] = {
 320                 RTXAGC_A_RATE18_06, RTXAGC_A_RATE54_24,
 321                 RTXAGC_A_MCS03_MCS00, RTXAGC_A_MCS07_MCS04,
 322                 RTXAGC_A_MCS11_MCS08, RTXAGC_A_MCS15_MCS12
 323         };
 324         u16 regoffset_b[6] = {
 325                 RTXAGC_B_RATE18_06, RTXAGC_B_RATE54_24,
 326                 RTXAGC_B_MCS03_MCS00, RTXAGC_B_MCS07_MCS04,
 327                 RTXAGC_B_MCS11_MCS08, RTXAGC_B_MCS15_MCS12
 328         };
 329         u8 i, rf, pwr_val[4];
 330         u32 writeVal;
 331         u16 regoffset;
 332
 333         for (rf = 0; rf < 2; rf++) {
 334                 writeVal = pValue[rf];
 335                 for (i = 0; i < 4; i++) {
 336                         pwr_val[i] = (u8)((writeVal & (0x7f << (i * 8))) >>
 337                                           (i * 8));
 338                         if (pwr_val[i] > RF6052_MAX_TX_PWR)
 339                                 pwr_val[i] = RF6052_MAX_TX_PWR;
 340                 }
 341                 writeVal = (pwr_val[3] << 24) | (pwr_val[2] << 16) |
 342                     (pwr_val[1] << 8) | pwr_val[0];
 343                 if (rf == 0)
 344                         regoffset = regoffset_a[index];
 345                 else
 346                         regoffset = regoffset_b[index];
 347                 rtl_set_bbreg(hw, regoffset, MASKDWORD, writeVal);
 348                 RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 349                         "Set 0x%x = %08x\n", regoffset, writeVal);
 350                 if (((get_rf_type(rtlphy) == RF_2T2R) &&
 351                      (regoffset == RTXAGC_A_MCS15_MCS12 ||
 352                       regoffset == RTXAGC_B_MCS15_MCS12)) ||
 353                     ((get_rf_type(rtlphy) != RF_2T2R) &&
 354                      (regoffset == RTXAGC_A_MCS07_MCS04 ||
 355                       regoffset == RTXAGC_B_MCS07_MCS04))) {
 356                         writeVal = pwr_val[3];
 357                         if (regoffset == RTXAGC_A_MCS15_MCS12 ||
 358                             regoffset == RTXAGC_A_MCS07_MCS04)
 359                                 regoffset = 0xc90;
 360                         if (regoffset == RTXAGC_B_MCS15_MCS12 ||
 361                             regoffset == RTXAGC_B_MCS07_MCS04)
 362                                 regoffset = 0xc98;
 363                         for (i = 0; i < 3; i++) {
 364                                 if (i != 2)
 365                                         writeVal = (writeVal > 8) ?
 366                                                    (writeVal - 8) : 0;
 367                                 else
 368                                         writeVal = (writeVal > 6) ?
 369                                                    (writeVal - 6) : 0;
 370                                 rtl_write_byte(rtlpriv, (u32)(regoffset + i),
 371                                               (u8)writeVal);
 372                         }
 373                 }
 374         }
 375 }
 376
 377 void rtl92cu_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw,
 378                                          u8 *ppowerlevel, u8 channel)
 379 {
 380         u32 writeVal[2], powerBase0[2], powerBase1[2];
 381         u8 index = 0;
 382
 383         rtl92c_phy_get_power_base(hw, ppowerlevel,
 384                                   channel, &powerBase0[0], &powerBase1[0]);
 385         for (index = 0; index < 6; index++) {
 386                 _rtl92c_get_txpower_writeval_by_regulatory(hw,
 387                                                            channel, index,
 388                                                            &powerBase0[0],
 389                                                            &powerBase1[0],
 390                                                            &writeVal[0]);
 391                 _rtl92c_write_ofdm_power_reg(hw, index, &writeVal[0]);
 392         }
 393 }
 394
 395 bool rtl92cu_phy_rf6052_config(struct ieee80211_hw *hw)
 396 {
 397         struct rtl_priv *rtlpriv = rtl_priv(hw);
 398         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 399         bool rtstatus = true;
 400         u8 b_reg_hwparafile = 1;
 401
 402         if (rtlphy->rf_type == RF_1T1R)
 403                 rtlphy->num_total_rfpath = 1;
 404         else
 405                 rtlphy->num_total_rfpath = 2;
 406         if (b_reg_hwparafile == 1)
 407                 rtstatus = _rtl92c_phy_rf6052_config_parafile(hw);
 408         return rtstatus;
 409 }
 410
 411 static bool _rtl92c_phy_rf6052_config_parafile(struct ieee80211_hw *hw)
 412 {
 413         struct rtl_priv *rtlpriv = rtl_priv(hw);
 414         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 415         u32 u4_regvalue = 0;
 416         u8 rfpath;
 417         bool rtstatus = true;
 418         struct bb_reg_def *pphyreg;
 419
 420         for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) {
 421                 pphyreg = &rtlphy->phyreg_def[rfpath];
 422                 switch (rfpath) {
 423                 case RF90_PATH_A:
 424                 case RF90_PATH_C:
 425                         u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
 426                                                     BRFSI_RFENV);
 427                         break;
 428                 case RF90_PATH_B:
 429                 case RF90_PATH_D:
 430                         u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
 431                                                     BRFSI_RFENV << 16);
 432                         break;
 433                 }
 434                 rtl_set_bbreg(hw, pphyreg->rfintfe, BRFSI_RFENV << 16, 0x1);
 435                 udelay(1);
 436                 rtl_set_bbreg(hw, pphyreg->rfintfo, BRFSI_RFENV, 0x1);
 437                 udelay(1);
 438                 rtl_set_bbreg(hw, pphyreg->rfhssi_para2,
 439                               B3WIREADDREAALENGTH, 0x0);
 440                 udelay(1);
 441                 rtl_set_bbreg(hw, pphyreg->rfhssi_para2, B3WIREDATALENGTH, 0x0);
 442                 udelay(1);
 443                 switch (rfpath) {
 444                 case RF90_PATH_A:
 445                 case RF90_PATH_B:
 446                         rtstatus = rtl92cu_phy_config_rf_with_headerfile(hw,
 447                                         (enum radio_path) rfpath);
 448                         break;
 449                 case RF90_PATH_C:
 450                         break;
 451                 case RF90_PATH_D:
 452                         break;
 453                 }
 454                 switch (rfpath) {
 455                 case RF90_PATH_A:
 456                 case RF90_PATH_C:
 457                         rtl_set_bbreg(hw, pphyreg->rfintfs,
 458                                       BRFSI_RFENV, u4_regvalue);
 459                         break;
 460                 case RF90_PATH_B:
 461                 case RF90_PATH_D:
 462                         rtl_set_bbreg(hw, pphyreg->rfintfs,
 463                                       BRFSI_RFENV << 16, u4_regvalue);
 464                         break;
 465                 }
 466                 if (!rtstatus) {
 467                         RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
 468                                  "Radio[%d] Fail!!", rfpath);
 469                         goto phy_rf_cfg_fail;
 470                 }
 471         }
 472         RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "<---\n");
 473 phy_rf_cfg_fail:
 474         return rtstatus;
 475 }