rtlwifi: rtl8192cu: Add routine rf
authorGeorge <george0505@realtek.com>
Sat, 19 Feb 2011 22:29:37 +0000 (16:29 -0600)
committerJohn W. Linville <linville@tuxdriver.com>
Mon, 21 Feb 2011 20:39:58 +0000 (15:39 -0500)
Add rtlwifi/rtl8192cu/rf.c. This routine is distinct from the one in
rtl8192ce with the same name.

Signed-off-by: George <george0505@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/rtlwifi/rtl8192cu/rf.c [new file with mode: 0644]

diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/rf.c b/drivers/net/wireless/rtlwifi/rtl8192cu/rf.c
new file mode 100644 (file)
index 0000000..9149adc
--- /dev/null
@@ -0,0 +1,493 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2010  Realtek Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * wlanfae <wlanfae@realtek.com>
+ * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
+ * Hsinchu 300, Taiwan.
+ *
+ * Larry Finger <Larry.Finger@lwfinger.net>
+ *
+ *****************************************************************************/
+
+#include "../wifi.h"
+#include "reg.h"
+#include "def.h"
+#include "phy.h"
+#include "rf.h"
+#include "dm.h"
+
+static bool _rtl92c_phy_rf6052_config_parafile(struct ieee80211_hw *hw);
+
+void rtl92c_phy_rf6052_set_bandwidth(struct ieee80211_hw *hw, u8 bandwidth)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+
+       switch (bandwidth) {
+       case HT_CHANNEL_WIDTH_20:
+               rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
+                                            0xfffff3ff) | 0x0400);
+               rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
+                             rtlphy->rfreg_chnlval[0]);
+               break;
+       case HT_CHANNEL_WIDTH_20_40:
+               rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
+                                            0xfffff3ff));
+               rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
+                             rtlphy->rfreg_chnlval[0]);
+               break;
+       default:
+               RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+                        ("unknown bandwidth: %#X\n", bandwidth));
+               break;
+       }
+}
+
+void rtl92c_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw,
+                                      u8 *ppowerlevel)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+       struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
+       struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+       struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+       u32 tx_agc[2] = { 0, 0 }, tmpval = 0;
+       bool turbo_scanoff = false;
+       u8 idx1, idx2;
+       u8 *ptr;
+
+       if (rtlhal->interface == INTF_PCI) {
+               if (rtlefuse->eeprom_regulatory != 0)
+                       turbo_scanoff = true;
+       } else {
+               if ((rtlefuse->eeprom_regulatory != 0) ||
+                   (rtlefuse->external_pa))
+                       turbo_scanoff = true;
+       }
+       if (mac->act_scanning == true) {
+               tx_agc[RF90_PATH_A] = 0x3f3f3f3f;
+               tx_agc[RF90_PATH_B] = 0x3f3f3f3f;
+               if (turbo_scanoff) {
+                       for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
+                               tx_agc[idx1] = ppowerlevel[idx1] |
+                                   (ppowerlevel[idx1] << 8) |
+                                   (ppowerlevel[idx1] << 16) |
+                                   (ppowerlevel[idx1] << 24);
+                               if (rtlhal->interface == INTF_USB) {
+                                       if (tx_agc[idx1] > 0x20 &&
+                                           rtlefuse->external_pa)
+                                               tx_agc[idx1] = 0x20;
+                               }
+                       }
+               }
+       } else {
+               if (rtlpriv->dm.dynamic_txhighpower_lvl ==
+                   TXHIGHPWRLEVEL_LEVEL1) {
+                       tx_agc[RF90_PATH_A] = 0x10101010;
+                       tx_agc[RF90_PATH_B] = 0x10101010;
+               } else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
+                          TXHIGHPWRLEVEL_LEVEL1) {
+                       tx_agc[RF90_PATH_A] = 0x00000000;
+                       tx_agc[RF90_PATH_B] = 0x00000000;
+               } else{
+                       for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
+                               tx_agc[idx1] = ppowerlevel[idx1] |
+                                   (ppowerlevel[idx1] << 8) |
+                                   (ppowerlevel[idx1] << 16) |
+                                   (ppowerlevel[idx1] << 24);
+                       }
+                       if (rtlefuse->eeprom_regulatory == 0) {
+                               tmpval = (rtlphy->mcs_txpwrlevel_origoffset
+                                       [0][6]) +
+                                       (rtlphy->mcs_txpwrlevel_origoffset
+                                       [0][7] <<  8);
+                               tx_agc[RF90_PATH_A] += tmpval;
+                               tmpval = (rtlphy->mcs_txpwrlevel_origoffset
+                                       [0][14]) +
+                                       (rtlphy->mcs_txpwrlevel_origoffset
+                                       [0][15] << 24);
+                               tx_agc[RF90_PATH_B] += tmpval;
+                       }
+               }
+       }
+       for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
+               ptr = (u8 *) (&(tx_agc[idx1]));
+               for (idx2 = 0; idx2 < 4; idx2++) {
+                       if (*ptr > RF6052_MAX_TX_PWR)
+                               *ptr = RF6052_MAX_TX_PWR;
+                       ptr++;
+               }
+       }
+       tmpval = tx_agc[RF90_PATH_A] & 0xff;
+       rtl_set_bbreg(hw, RTXAGC_A_CCK1_MCS32, MASKBYTE1, tmpval);
+
+       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+               ("CCK PWR 1M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
+                RTXAGC_A_CCK1_MCS32));
+
+       tmpval = tx_agc[RF90_PATH_A] >> 8;
+       if (mac->mode == WIRELESS_MODE_B)
+               tmpval = tmpval & 0xff00ffff;
+       rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, 0xffffff00, tmpval);
+       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+               ("CCK PWR 2~11M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
+                RTXAGC_B_CCK11_A_CCK2_11));
+       tmpval = tx_agc[RF90_PATH_B] >> 24;
+       rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, MASKBYTE0, tmpval);
+       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+               ("CCK PWR 11M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
+                RTXAGC_B_CCK11_A_CCK2_11));
+       tmpval = tx_agc[RF90_PATH_B] & 0x00ffffff;
+       rtl_set_bbreg(hw, RTXAGC_B_CCK1_55_MCS32, 0xffffff00, tmpval);
+       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+               ("CCK PWR 1~5.5M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
+                RTXAGC_B_CCK1_55_MCS32));
+}
+
+static void rtl92c_phy_get_power_base(struct ieee80211_hw *hw,
+                                     u8 *ppowerlevel, u8 channel,
+                                     u32 *ofdmbase, u32 *mcsbase)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+       struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+       u32 powerBase0, powerBase1;
+       u8 legacy_pwrdiff = 0, ht20_pwrdiff = 0;
+       u8 i, powerlevel[2];
+
+       for (i = 0; i < 2; i++) {
+               powerlevel[i] = ppowerlevel[i];
+               legacy_pwrdiff = rtlefuse->txpwr_legacyhtdiff[i][channel - 1];
+               powerBase0 = powerlevel[i] + legacy_pwrdiff;
+               powerBase0 = (powerBase0 << 24) | (powerBase0 << 16) |
+                   (powerBase0 << 8) | powerBase0;
+               *(ofdmbase + i) = powerBase0;
+               RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                       (" [OFDM power base index rf(%c) = 0x%x]\n",
+                        ((i == 0) ? 'A' : 'B'), *(ofdmbase + i)));
+       }
+       for (i = 0; i < 2; i++) {
+               if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20) {
+                       ht20_pwrdiff = rtlefuse->txpwr_ht20diff[i][channel - 1];
+                       powerlevel[i] += ht20_pwrdiff;
+               }
+               powerBase1 = powerlevel[i];
+               powerBase1 = (powerBase1 << 24) |
+                   (powerBase1 << 16) | (powerBase1 << 8) | powerBase1;
+               *(mcsbase + i) = powerBase1;
+               RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                       (" [MCS power base index rf(%c) = 0x%x]\n",
+                        ((i == 0) ? 'A' : 'B'), *(mcsbase + i)));
+       }
+}
+
+static void _rtl92c_get_txpower_writeval_by_regulatory(struct ieee80211_hw *hw,
+                                                      u8 channel, u8 index,
+                                                      u32 *powerBase0,
+                                                      u32 *powerBase1,
+                                                      u32 *p_outwriteval)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+       struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+       u8 i, chnlgroup = 0, pwr_diff_limit[4];
+       u32 writeVal, customer_limit, rf;
+
+       for (rf = 0; rf < 2; rf++) {
+               switch (rtlefuse->eeprom_regulatory) {
+               case 0:
+                       chnlgroup = 0;
+                       writeVal = rtlphy->mcs_txpwrlevel_origoffset
+                           [chnlgroup][index + (rf ? 8 : 0)]
+                           + ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
+                       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                               ("RTK better performance,writeVal(%c) = 0x%x\n",
+                               ((rf == 0) ? 'A' : 'B'), writeVal));
+                       break;
+               case 1:
+                       if (rtlphy->pwrgroup_cnt == 1)
+                               chnlgroup = 0;
+                       if (rtlphy->pwrgroup_cnt >= 3) {
+                               if (channel <= 3)
+                                       chnlgroup = 0;
+                               else if (channel >= 4 && channel <= 9)
+                                       chnlgroup = 1;
+                               else if (channel > 9)
+                                       chnlgroup = 2;
+                               if (rtlphy->current_chan_bw ==
+                                   HT_CHANNEL_WIDTH_20)
+                                       chnlgroup++;
+                               else
+                                       chnlgroup += 4;
+                       }
+                       writeVal = rtlphy->mcs_txpwrlevel_origoffset
+                                       [chnlgroup][index +
+                                       (rf ? 8 : 0)] +
+                                       ((index < 2) ? powerBase0[rf] :
+                                       powerBase1[rf]);
+                       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                               ("Realtek regulatory, 20MHz, "
+                               "writeVal(%c) = 0x%x\n",
+                               ((rf == 0) ? 'A' : 'B'), writeVal));
+                       break;
+               case 2:
+                       writeVal = ((index < 2) ? powerBase0[rf] :
+                                  powerBase1[rf]);
+                       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                               ("Better regulatory,writeVal(%c) = 0x%x\n",
+                                ((rf == 0) ? 'A' : 'B'), writeVal));
+                       break;
+               case 3:
+                       chnlgroup = 0;
+                       if (rtlphy->current_chan_bw ==
+                           HT_CHANNEL_WIDTH_20_40) {
+                               RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                                       ("customer's limit, 40MHzrf(%c) = "
+                                       "0x%x\n", ((rf == 0) ? 'A' : 'B'),
+                                       rtlefuse->pwrgroup_ht40[rf]
+                                       [channel - 1]));
+                       } else {
+                               RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                                       ("customer's limit, 20MHz rf(%c) = "
+                                       "0x%x\n", ((rf == 0) ? 'A' : 'B'),
+                                       rtlefuse->pwrgroup_ht20[rf]
+                                       [channel - 1]));
+                       }
+                       for (i = 0; i < 4; i++) {
+                               pwr_diff_limit[i] =
+                                   (u8) ((rtlphy->mcs_txpwrlevel_origoffset
+                                   [chnlgroup][index + (rf ? 8 : 0)]
+                                   & (0x7f << (i * 8))) >> (i * 8));
+                               if (rtlphy->current_chan_bw ==
+                                   HT_CHANNEL_WIDTH_20_40) {
+                                       if (pwr_diff_limit[i] >
+                                           rtlefuse->pwrgroup_ht40[rf]
+                                               [channel - 1])
+                                               pwr_diff_limit[i] = rtlefuse->
+                                                   pwrgroup_ht40[rf]
+                                                   [channel - 1];
+                               } else {
+                                       if (pwr_diff_limit[i] >
+                                           rtlefuse->pwrgroup_ht20[rf]
+                                               [channel - 1])
+                                               pwr_diff_limit[i] =
+                                                   rtlefuse->pwrgroup_ht20[rf]
+                                                   [channel - 1];
+                               }
+                       }
+                       customer_limit = (pwr_diff_limit[3] << 24) |
+                           (pwr_diff_limit[2] << 16) |
+                           (pwr_diff_limit[1] << 8) | (pwr_diff_limit[0]);
+                       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                               ("Customer's limit rf(%c) = 0x%x\n",
+                                ((rf == 0) ? 'A' : 'B'), customer_limit));
+                       writeVal = customer_limit + ((index < 2) ?
+                                  powerBase0[rf] : powerBase1[rf]);
+                       RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                               ("Customer, writeVal rf(%c)= 0x%x\n",
+                                ((rf == 0) ? 'A' : 'B'), writeVal));
+                       break;
+               default:
+                       chnlgroup = 0;
+                       writeVal = rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
+                                  [index + (rf ? 8 : 0)] + ((index < 2) ?
+                                  powerBase0[rf] : powerBase1[rf]);
+                       RTPRINT(rtlpriv, FPHY, PHY_TXPWR, ("RTK better "
+                               "performance, writeValrf(%c) = 0x%x\n",
+                               ((rf == 0) ? 'A' : 'B'), writeVal));
+                       break;
+               }
+               if (rtlpriv->dm.dynamic_txhighpower_lvl ==
+                   TXHIGHPWRLEVEL_LEVEL1)
+                       writeVal = 0x14141414;
+               else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
+                        TXHIGHPWRLEVEL_LEVEL2)
+                       writeVal = 0x00000000;
+               if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
+                       writeVal = writeVal - 0x06060606;
+               else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
+                        TXHIGHPWRLEVEL_BT2)
+                       writeVal = writeVal;
+               *(p_outwriteval + rf) = writeVal;
+       }
+}
+
+static void _rtl92c_write_ofdm_power_reg(struct ieee80211_hw *hw,
+                                        u8 index, u32 *pValue)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+       u16 regoffset_a[6] = {
+               RTXAGC_A_RATE18_06, RTXAGC_A_RATE54_24,
+               RTXAGC_A_MCS03_MCS00, RTXAGC_A_MCS07_MCS04,
+               RTXAGC_A_MCS11_MCS08, RTXAGC_A_MCS15_MCS12
+       };
+       u16 regoffset_b[6] = {
+               RTXAGC_B_RATE18_06, RTXAGC_B_RATE54_24,
+               RTXAGC_B_MCS03_MCS00, RTXAGC_B_MCS07_MCS04,
+               RTXAGC_B_MCS11_MCS08, RTXAGC_B_MCS15_MCS12
+       };
+       u8 i, rf, pwr_val[4];
+       u32 writeVal;
+       u16 regoffset;
+
+       for (rf = 0; rf < 2; rf++) {
+               writeVal = pValue[rf];
+               for (i = 0; i < 4; i++) {
+                       pwr_val[i] = (u8)((writeVal & (0x7f << (i * 8))) >>
+                                         (i * 8));
+                       if (pwr_val[i] > RF6052_MAX_TX_PWR)
+                               pwr_val[i] = RF6052_MAX_TX_PWR;
+               }
+               writeVal = (pwr_val[3] << 24) | (pwr_val[2] << 16) |
+                   (pwr_val[1] << 8) | pwr_val[0];
+               if (rf == 0)
+                       regoffset = regoffset_a[index];
+               else
+                       regoffset = regoffset_b[index];
+               rtl_set_bbreg(hw, regoffset, MASKDWORD, writeVal);
+               RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
+                       ("Set 0x%x = %08x\n", regoffset, writeVal));
+               if (((get_rf_type(rtlphy) == RF_2T2R) &&
+                    (regoffset == RTXAGC_A_MCS15_MCS12 ||
+                     regoffset == RTXAGC_B_MCS15_MCS12)) ||
+                   ((get_rf_type(rtlphy) != RF_2T2R) &&
+                    (regoffset == RTXAGC_A_MCS07_MCS04 ||
+                     regoffset == RTXAGC_B_MCS07_MCS04))) {
+                       writeVal = pwr_val[3];
+                       if (regoffset == RTXAGC_A_MCS15_MCS12 ||
+                           regoffset == RTXAGC_A_MCS07_MCS04)
+                               regoffset = 0xc90;
+                       if (regoffset == RTXAGC_B_MCS15_MCS12 ||
+                           regoffset == RTXAGC_B_MCS07_MCS04)
+                               regoffset = 0xc98;
+                       for (i = 0; i < 3; i++) {
+                               writeVal = (writeVal > 6) ? (writeVal - 6) : 0;
+                               rtl_write_byte(rtlpriv, (u32)(regoffset + i),
+                                             (u8)writeVal);
+                       }
+               }
+       }
+}
+
+void rtl92c_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw,
+                                       u8 *ppowerlevel, u8 channel)
+{
+       u32 writeVal[2], powerBase0[2], powerBase1[2];
+       u8 index = 0;
+
+       rtl92c_phy_get_power_base(hw, ppowerlevel,
+                                 channel, &powerBase0[0], &powerBase1[0]);
+       for (index = 0; index < 6; index++) {
+               _rtl92c_get_txpower_writeval_by_regulatory(hw,
+                                                          channel, index,
+                                                          &powerBase0[0],
+                                                          &powerBase1[0],
+                                                          &writeVal[0]);
+               _rtl92c_write_ofdm_power_reg(hw, index, &writeVal[0]);
+       }
+}
+
+bool rtl92c_phy_rf6052_config(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+       bool rtstatus = true;
+       u8 b_reg_hwparafile = 1;
+
+       if (rtlphy->rf_type == RF_1T1R)
+               rtlphy->num_total_rfpath = 1;
+       else
+               rtlphy->num_total_rfpath = 2;
+       if (b_reg_hwparafile == 1)
+               rtstatus = _rtl92c_phy_rf6052_config_parafile(hw);
+       return rtstatus;
+}
+
+static bool _rtl92c_phy_rf6052_config_parafile(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_phy *rtlphy = &(rtlpriv->phy);
+       u32 u4_regvalue = 0;
+       u8 rfpath;
+       bool rtstatus = true;
+       struct bb_reg_def *pphyreg;
+
+       for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) {
+               pphyreg = &rtlphy->phyreg_def[rfpath];
+               switch (rfpath) {
+               case RF90_PATH_A:
+               case RF90_PATH_C:
+                       u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
+                                                   BRFSI_RFENV);
+                       break;
+               case RF90_PATH_B:
+               case RF90_PATH_D:
+                       u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
+                                                   BRFSI_RFENV << 16);
+                       break;
+               }
+               rtl_set_bbreg(hw, pphyreg->rfintfe, BRFSI_RFENV << 16, 0x1);
+               udelay(1);
+               rtl_set_bbreg(hw, pphyreg->rfintfo, BRFSI_RFENV, 0x1);
+               udelay(1);
+               rtl_set_bbreg(hw, pphyreg->rfhssi_para2,
+                             B3WIREADDREAALENGTH, 0x0);
+               udelay(1);
+               rtl_set_bbreg(hw, pphyreg->rfhssi_para2, B3WIREDATALENGTH, 0x0);
+               udelay(1);
+               switch (rfpath) {
+               case RF90_PATH_A:
+                       rtstatus = rtl92c_phy_config_rf_with_headerfile(hw,
+                                       (enum radio_path) rfpath);
+                       break;
+               case RF90_PATH_B:
+                       rtstatus = rtl92c_phy_config_rf_with_headerfile(hw,
+                                       (enum radio_path) rfpath);
+                       break;
+               case RF90_PATH_C:
+                       break;
+               case RF90_PATH_D:
+                       break;
+               }
+               switch (rfpath) {
+               case RF90_PATH_A:
+               case RF90_PATH_C:
+                       rtl_set_bbreg(hw, pphyreg->rfintfs,
+                                     BRFSI_RFENV, u4_regvalue);
+                       break;
+               case RF90_PATH_B:
+               case RF90_PATH_D:
+                       rtl_set_bbreg(hw, pphyreg->rfintfs,
+                                     BRFSI_RFENV << 16, u4_regvalue);
+                       break;
+               }
+               if (rtstatus != true) {
+                       RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
+                                ("Radio[%d] Fail!!", rfpath));
+                       goto phy_rf_cfg_fail;
+               }
+       }
+       RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, ("<---\n"));
+       return rtstatus;
+phy_rf_cfg_fail:
+       return rtstatus;
+}