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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/wireless/realtek/rtlwifi/rtl8723com/phy_common.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8723com/phy_common.c')
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8723com/phy_common.c419
1 files changed, 419 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723com/phy_common.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723com/phy_common.c
new file mode 100644
index 000000000..47b6c1aa3
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723com/phy_common.c
@@ -0,0 +1,419 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2009-2014 Realtek Corporation.*/
+
+#include "../wifi.h"
+#include "phy_common.h"
+#include "../rtl8723ae/reg.h"
+#include <linux/module.h>
+
+/* These routines are common to RTL8723AE and RTL8723bE */
+
+u32 rtl8723_phy_query_bb_reg(struct ieee80211_hw *hw,
+ u32 regaddr, u32 bitmask)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ u32 returnvalue, originalvalue, bitshift;
+
+ rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE,
+ "regaddr(%#x), bitmask(%#x)\n", regaddr, bitmask);
+ originalvalue = rtl_read_dword(rtlpriv, regaddr);
+ bitshift = rtl8723_phy_calculate_bit_shift(bitmask);
+ returnvalue = (originalvalue & bitmask) >> bitshift;
+
+ rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE,
+ "BBR MASK=0x%x Addr[0x%x]=0x%x\n", bitmask,
+ regaddr, originalvalue);
+ return returnvalue;
+}
+EXPORT_SYMBOL_GPL(rtl8723_phy_query_bb_reg);
+
+void rtl8723_phy_set_bb_reg(struct ieee80211_hw *hw, u32 regaddr,
+ u32 bitmask, u32 data)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ u32 originalvalue, bitshift;
+
+ rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE,
+ "regaddr(%#x), bitmask(%#x), data(%#x)\n", regaddr, bitmask,
+ data);
+
+ if (bitmask != MASKDWORD) {
+ originalvalue = rtl_read_dword(rtlpriv, regaddr);
+ bitshift = rtl8723_phy_calculate_bit_shift(bitmask);
+ data = ((originalvalue & (~bitmask)) | (data << bitshift));
+ }
+
+ rtl_write_dword(rtlpriv, regaddr, data);
+
+ rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE,
+ "regaddr(%#x), bitmask(%#x), data(%#x)\n",
+ regaddr, bitmask, data);
+}
+EXPORT_SYMBOL_GPL(rtl8723_phy_set_bb_reg);
+
+u32 rtl8723_phy_calculate_bit_shift(u32 bitmask)
+{
+ u32 i = ffs(bitmask);
+
+ return i ? i - 1 : 32;
+}
+EXPORT_SYMBOL_GPL(rtl8723_phy_calculate_bit_shift);
+
+u32 rtl8723_phy_rf_serial_read(struct ieee80211_hw *hw,
+ enum radio_path rfpath, u32 offset)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_phy *rtlphy = &(rtlpriv->phy);
+ struct bb_reg_def *pphyreg = &rtlphy->phyreg_def[rfpath];
+ u32 newoffset;
+ u32 tmplong, tmplong2;
+ u8 rfpi_enable = 0;
+ u32 retvalue;
+
+ offset &= 0xff;
+ newoffset = offset;
+ if (RT_CANNOT_IO(hw)) {
+ pr_err("return all one\n");
+ return 0xFFFFFFFF;
+ }
+ tmplong = rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2, MASKDWORD);
+ if (rfpath == RF90_PATH_A)
+ tmplong2 = tmplong;
+ else
+ tmplong2 = rtl_get_bbreg(hw, pphyreg->rfhssi_para2, MASKDWORD);
+ tmplong2 = (tmplong2 & (~BLSSIREADADDRESS)) |
+ (newoffset << 23) | BLSSIREADEDGE;
+ rtl_set_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2, MASKDWORD,
+ tmplong & (~BLSSIREADEDGE));
+ rtl_set_bbreg(hw, pphyreg->rfhssi_para2, MASKDWORD, tmplong2);
+ rtl_set_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2, MASKDWORD,
+ tmplong | BLSSIREADEDGE);
+ udelay(120);
+ if (rfpath == RF90_PATH_A)
+ rfpi_enable = (u8) rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER1,
+ BIT(8));
+ else if (rfpath == RF90_PATH_B)
+ rfpi_enable = (u8) rtl_get_bbreg(hw, RFPGA0_XB_HSSIPARAMETER1,
+ BIT(8));
+ if (rfpi_enable)
+ retvalue = rtl_get_bbreg(hw, pphyreg->rf_rbpi,
+ BLSSIREADBACKDATA);
+ else
+ retvalue = rtl_get_bbreg(hw, pphyreg->rf_rb,
+ BLSSIREADBACKDATA);
+ rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE,
+ "RFR-%d Addr[0x%x]=0x%x\n",
+ rfpath, pphyreg->rf_rb, retvalue);
+ return retvalue;
+}
+EXPORT_SYMBOL_GPL(rtl8723_phy_rf_serial_read);
+
+void rtl8723_phy_rf_serial_write(struct ieee80211_hw *hw,
+ enum radio_path rfpath,
+ u32 offset, u32 data)
+{
+ u32 data_and_addr;
+ u32 newoffset;
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_phy *rtlphy = &(rtlpriv->phy);
+ struct bb_reg_def *pphyreg = &rtlphy->phyreg_def[rfpath];
+
+ if (RT_CANNOT_IO(hw)) {
+ pr_err("stop\n");
+ return;
+ }
+ offset &= 0xff;
+ newoffset = offset;
+ data_and_addr = ((newoffset << 20) | (data & 0x000fffff)) & 0x0fffffff;
+ rtl_set_bbreg(hw, pphyreg->rf3wire_offset, MASKDWORD, data_and_addr);
+ rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE,
+ "RFW-%d Addr[0x%x]=0x%x\n",
+ rfpath, pphyreg->rf3wire_offset,
+ data_and_addr);
+}
+EXPORT_SYMBOL_GPL(rtl8723_phy_rf_serial_write);
+
+long rtl8723_phy_txpwr_idx_to_dbm(struct ieee80211_hw *hw,
+ enum wireless_mode wirelessmode,
+ u8 txpwridx)
+{
+ long offset;
+ long pwrout_dbm;
+
+ switch (wirelessmode) {
+ case WIRELESS_MODE_B:
+ offset = -7;
+ break;
+ case WIRELESS_MODE_G:
+ case WIRELESS_MODE_N_24G:
+ offset = -8;
+ break;
+ default:
+ offset = -8;
+ break;
+ }
+ pwrout_dbm = txpwridx / 2 + offset;
+ return pwrout_dbm;
+}
+EXPORT_SYMBOL_GPL(rtl8723_phy_txpwr_idx_to_dbm);
+
+void rtl8723_phy_init_bb_rf_reg_def(struct ieee80211_hw *hw)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_phy *rtlphy = &(rtlpriv->phy);
+
+ rtlphy->phyreg_def[RF90_PATH_A].rfintfs = RFPGA0_XAB_RFINTERFACESW;
+ rtlphy->phyreg_def[RF90_PATH_B].rfintfs = RFPGA0_XAB_RFINTERFACESW;
+ rtlphy->phyreg_def[RF90_PATH_C].rfintfs = RFPGA0_XCD_RFINTERFACESW;
+ rtlphy->phyreg_def[RF90_PATH_D].rfintfs = RFPGA0_XCD_RFINTERFACESW;
+
+ rtlphy->phyreg_def[RF90_PATH_A].rfintfi = RFPGA0_XAB_RFINTERFACERB;
+ rtlphy->phyreg_def[RF90_PATH_B].rfintfi = RFPGA0_XAB_RFINTERFACERB;
+ rtlphy->phyreg_def[RF90_PATH_C].rfintfi = RFPGA0_XCD_RFINTERFACERB;
+ rtlphy->phyreg_def[RF90_PATH_D].rfintfi = RFPGA0_XCD_RFINTERFACERB;
+
+ rtlphy->phyreg_def[RF90_PATH_A].rfintfo = RFPGA0_XA_RFINTERFACEOE;
+ rtlphy->phyreg_def[RF90_PATH_B].rfintfo = RFPGA0_XB_RFINTERFACEOE;
+
+ rtlphy->phyreg_def[RF90_PATH_A].rfintfe = RFPGA0_XA_RFINTERFACEOE;
+ rtlphy->phyreg_def[RF90_PATH_B].rfintfe = RFPGA0_XB_RFINTERFACEOE;
+
+ rtlphy->phyreg_def[RF90_PATH_A].rf3wire_offset =
+ RFPGA0_XA_LSSIPARAMETER;
+ rtlphy->phyreg_def[RF90_PATH_B].rf3wire_offset =
+ RFPGA0_XB_LSSIPARAMETER;
+
+ rtlphy->phyreg_def[RF90_PATH_A].rflssi_select = RFPGA0_XAB_RFPARAMETER;
+ rtlphy->phyreg_def[RF90_PATH_B].rflssi_select = RFPGA0_XAB_RFPARAMETER;
+ rtlphy->phyreg_def[RF90_PATH_C].rflssi_select = RFPGA0_XCD_RFPARAMETER;
+ rtlphy->phyreg_def[RF90_PATH_D].rflssi_select = RFPGA0_XCD_RFPARAMETER;
+
+ rtlphy->phyreg_def[RF90_PATH_A].rftxgain_stage = RFPGA0_TXGAINSTAGE;
+ rtlphy->phyreg_def[RF90_PATH_B].rftxgain_stage = RFPGA0_TXGAINSTAGE;
+ rtlphy->phyreg_def[RF90_PATH_C].rftxgain_stage = RFPGA0_TXGAINSTAGE;
+ rtlphy->phyreg_def[RF90_PATH_D].rftxgain_stage = RFPGA0_TXGAINSTAGE;
+
+ rtlphy->phyreg_def[RF90_PATH_A].rfhssi_para1 = RFPGA0_XA_HSSIPARAMETER1;
+ rtlphy->phyreg_def[RF90_PATH_B].rfhssi_para1 = RFPGA0_XB_HSSIPARAMETER1;
+
+ rtlphy->phyreg_def[RF90_PATH_A].rfhssi_para2 = RFPGA0_XA_HSSIPARAMETER2;
+ rtlphy->phyreg_def[RF90_PATH_B].rfhssi_para2 = RFPGA0_XB_HSSIPARAMETER2;
+
+ rtlphy->phyreg_def[RF90_PATH_A].rfsw_ctrl = RFPGA0_XAB_SWITCHCONTROL;
+ rtlphy->phyreg_def[RF90_PATH_B].rfsw_ctrl = RFPGA0_XAB_SWITCHCONTROL;
+ rtlphy->phyreg_def[RF90_PATH_C].rfsw_ctrl = RFPGA0_XCD_SWITCHCONTROL;
+ rtlphy->phyreg_def[RF90_PATH_D].rfsw_ctrl = RFPGA0_XCD_SWITCHCONTROL;
+
+ rtlphy->phyreg_def[RF90_PATH_A].rfagc_control1 = ROFDM0_XAAGCCORE1;
+ rtlphy->phyreg_def[RF90_PATH_B].rfagc_control1 = ROFDM0_XBAGCCORE1;
+ rtlphy->phyreg_def[RF90_PATH_C].rfagc_control1 = ROFDM0_XCAGCCORE1;
+ rtlphy->phyreg_def[RF90_PATH_D].rfagc_control1 = ROFDM0_XDAGCCORE1;
+
+ rtlphy->phyreg_def[RF90_PATH_A].rfagc_control2 = ROFDM0_XAAGCCORE2;
+ rtlphy->phyreg_def[RF90_PATH_B].rfagc_control2 = ROFDM0_XBAGCCORE2;
+ rtlphy->phyreg_def[RF90_PATH_C].rfagc_control2 = ROFDM0_XCAGCCORE2;
+ rtlphy->phyreg_def[RF90_PATH_D].rfagc_control2 = ROFDM0_XDAGCCORE2;
+
+ rtlphy->phyreg_def[RF90_PATH_A].rfrxiq_imbal = ROFDM0_XARXIQIMBALANCE;
+ rtlphy->phyreg_def[RF90_PATH_B].rfrxiq_imbal = ROFDM0_XBRXIQIMBALANCE;
+ rtlphy->phyreg_def[RF90_PATH_C].rfrxiq_imbal = ROFDM0_XCRXIQIMBANLANCE;
+ rtlphy->phyreg_def[RF90_PATH_D].rfrxiq_imbal = ROFDM0_XDRXIQIMBALANCE;
+
+ rtlphy->phyreg_def[RF90_PATH_A].rfrx_afe = ROFDM0_XARXAFE;
+ rtlphy->phyreg_def[RF90_PATH_B].rfrx_afe = ROFDM0_XBRXAFE;
+ rtlphy->phyreg_def[RF90_PATH_C].rfrx_afe = ROFDM0_XCRXAFE;
+ rtlphy->phyreg_def[RF90_PATH_D].rfrx_afe = ROFDM0_XDRXAFE;
+
+ rtlphy->phyreg_def[RF90_PATH_A].rftxiq_imbal = ROFDM0_XATXIQIMBALANCE;
+ rtlphy->phyreg_def[RF90_PATH_B].rftxiq_imbal = ROFDM0_XBTXIQIMBALANCE;
+ rtlphy->phyreg_def[RF90_PATH_C].rftxiq_imbal = ROFDM0_XCTXIQIMBALANCE;
+ rtlphy->phyreg_def[RF90_PATH_D].rftxiq_imbal = ROFDM0_XDTXIQIMBALANCE;
+
+ rtlphy->phyreg_def[RF90_PATH_A].rftx_afe = ROFDM0_XATXAFE;
+ rtlphy->phyreg_def[RF90_PATH_B].rftx_afe = ROFDM0_XBTXAFE;
+ rtlphy->phyreg_def[RF90_PATH_C].rftx_afe = ROFDM0_XCTXAFE;
+ rtlphy->phyreg_def[RF90_PATH_D].rftx_afe = ROFDM0_XDTXAFE;
+
+ rtlphy->phyreg_def[RF90_PATH_A].rf_rb = RFPGA0_XA_LSSIREADBACK;
+ rtlphy->phyreg_def[RF90_PATH_B].rf_rb = RFPGA0_XB_LSSIREADBACK;
+ rtlphy->phyreg_def[RF90_PATH_C].rf_rb = RFPGA0_XC_LSSIREADBACK;
+ rtlphy->phyreg_def[RF90_PATH_D].rf_rb = RFPGA0_XD_LSSIREADBACK;
+
+ rtlphy->phyreg_def[RF90_PATH_A].rf_rbpi = TRANSCEIVEA_HSPI_READBACK;
+ rtlphy->phyreg_def[RF90_PATH_B].rf_rbpi = TRANSCEIVEB_HSPI_READBACK;
+
+}
+EXPORT_SYMBOL_GPL(rtl8723_phy_init_bb_rf_reg_def);
+
+bool rtl8723_phy_set_sw_chnl_cmdarray(struct swchnlcmd *cmdtable,
+ u32 cmdtableidx,
+ u32 cmdtablesz,
+ enum swchnlcmd_id cmdid,
+ u32 para1, u32 para2,
+ u32 msdelay)
+{
+ struct swchnlcmd *pcmd;
+
+ if (cmdtable == NULL) {
+ WARN_ONCE(true, "rtl8723-common: cmdtable cannot be NULL.\n");
+ return false;
+ }
+
+ if (cmdtableidx >= cmdtablesz)
+ return false;
+
+ pcmd = cmdtable + cmdtableidx;
+ pcmd->cmdid = cmdid;
+ pcmd->para1 = para1;
+ pcmd->para2 = para2;
+ pcmd->msdelay = msdelay;
+ return true;
+}
+EXPORT_SYMBOL_GPL(rtl8723_phy_set_sw_chnl_cmdarray);
+
+void rtl8723_phy_path_a_fill_iqk_matrix(struct ieee80211_hw *hw,
+ bool iqk_ok,
+ long result[][8],
+ u8 final_candidate,
+ bool btxonly)
+{
+ u32 oldval_0, x, tx0_a, reg;
+ long y, tx0_c;
+
+ if (final_candidate == 0xFF) {
+ return;
+ } else if (iqk_ok) {
+ oldval_0 = (rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
+ MASKDWORD) >> 22) & 0x3FF;
+ x = result[final_candidate][0];
+ if ((x & 0x00000200) != 0)
+ x = x | 0xFFFFFC00;
+ tx0_a = (x * oldval_0) >> 8;
+ rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, 0x3FF, tx0_a);
+ rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, BIT(31),
+ ((x * oldval_0 >> 7) & 0x1));
+ y = result[final_candidate][1];
+ if ((y & 0x00000200) != 0)
+ y = y | 0xFFFFFC00;
+ tx0_c = (y * oldval_0) >> 8;
+ rtl_set_bbreg(hw, ROFDM0_XCTXAFE, 0xF0000000,
+ ((tx0_c & 0x3C0) >> 6));
+ rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, 0x003F0000,
+ (tx0_c & 0x3F));
+ rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, BIT(29),
+ ((y * oldval_0 >> 7) & 0x1));
+ if (btxonly)
+ return;
+ reg = result[final_candidate][2];
+ rtl_set_bbreg(hw, ROFDM0_XARXIQIMBALANCE, 0x3FF, reg);
+ reg = result[final_candidate][3] & 0x3F;
+ rtl_set_bbreg(hw, ROFDM0_XARXIQIMBALANCE, 0xFC00, reg);
+ reg = (result[final_candidate][3] >> 6) & 0xF;
+ rtl_set_bbreg(hw, 0xca0, 0xF0000000, reg);
+ }
+}
+EXPORT_SYMBOL_GPL(rtl8723_phy_path_a_fill_iqk_matrix);
+
+void rtl8723_save_adda_registers(struct ieee80211_hw *hw, u32 *addareg,
+ u32 *addabackup, u32 registernum)
+{
+ u32 i;
+
+ for (i = 0; i < registernum; i++)
+ addabackup[i] = rtl_get_bbreg(hw, addareg[i], MASKDWORD);
+}
+EXPORT_SYMBOL_GPL(rtl8723_save_adda_registers);
+
+void rtl8723_phy_save_mac_registers(struct ieee80211_hw *hw,
+ u32 *macreg, u32 *macbackup)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ u32 i;
+
+ for (i = 0; i < (IQK_MAC_REG_NUM - 1); i++)
+ macbackup[i] = rtl_read_byte(rtlpriv, macreg[i]);
+ macbackup[i] = rtl_read_dword(rtlpriv, macreg[i]);
+}
+EXPORT_SYMBOL_GPL(rtl8723_phy_save_mac_registers);
+
+void rtl8723_phy_reload_adda_registers(struct ieee80211_hw *hw,
+ u32 *addareg, u32 *addabackup,
+ u32 regiesternum)
+{
+ u32 i;
+
+ for (i = 0; i < regiesternum; i++)
+ rtl_set_bbreg(hw, addareg[i], MASKDWORD, addabackup[i]);
+}
+EXPORT_SYMBOL_GPL(rtl8723_phy_reload_adda_registers);
+
+void rtl8723_phy_reload_mac_registers(struct ieee80211_hw *hw,
+ u32 *macreg, u32 *macbackup)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ u32 i;
+
+ for (i = 0; i < (IQK_MAC_REG_NUM - 1); i++)
+ rtl_write_byte(rtlpriv, macreg[i], (u8) macbackup[i]);
+ rtl_write_dword(rtlpriv, macreg[i], macbackup[i]);
+}
+EXPORT_SYMBOL_GPL(rtl8723_phy_reload_mac_registers);
+
+void rtl8723_phy_path_adda_on(struct ieee80211_hw *hw, u32 *addareg,
+ bool is_patha_on, bool is2t)
+{
+ struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+ u32 pathon;
+ u32 i;
+
+ if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723AE) {
+ pathon = is_patha_on ? 0x04db25a4 : 0x0b1b25a4;
+ if (!is2t) {
+ pathon = 0x0bdb25a0;
+ rtl_set_bbreg(hw, addareg[0], MASKDWORD, 0x0b1b25a0);
+ } else {
+ rtl_set_bbreg(hw, addareg[0], MASKDWORD, pathon);
+ }
+ } else {
+ /* rtl8723be */
+ pathon = 0x01c00014;
+ rtl_set_bbreg(hw, addareg[0], MASKDWORD, pathon);
+ }
+
+ for (i = 1; i < IQK_ADDA_REG_NUM; i++)
+ rtl_set_bbreg(hw, addareg[i], MASKDWORD, pathon);
+}
+EXPORT_SYMBOL_GPL(rtl8723_phy_path_adda_on);
+
+void rtl8723_phy_mac_setting_calibration(struct ieee80211_hw *hw,
+ u32 *macreg, u32 *macbackup)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ u32 i = 0;
+
+ rtl_write_byte(rtlpriv, macreg[i], 0x3F);
+
+ for (i = 1; i < (IQK_MAC_REG_NUM - 1); i++)
+ rtl_write_byte(rtlpriv, macreg[i],
+ (u8) (macbackup[i] & (~BIT(3))));
+ rtl_write_byte(rtlpriv, macreg[i], (u8) (macbackup[i] & (~BIT(5))));
+}
+EXPORT_SYMBOL_GPL(rtl8723_phy_mac_setting_calibration);
+
+void rtl8723_phy_path_a_standby(struct ieee80211_hw *hw)
+{
+ rtl_set_bbreg(hw, 0xe28, MASKDWORD, 0x0);
+ rtl_set_bbreg(hw, 0x840, MASKDWORD, 0x00010000);
+ rtl_set_bbreg(hw, 0xe28, MASKDWORD, 0x80800000);
+}
+EXPORT_SYMBOL_GPL(rtl8723_phy_path_a_standby);
+
+void rtl8723_phy_pi_mode_switch(struct ieee80211_hw *hw, bool pi_mode)
+{
+ u32 mode;
+
+ mode = pi_mode ? 0x01000100 : 0x01000000;
+ rtl_set_bbreg(hw, 0x820, MASKDWORD, mode);
+ rtl_set_bbreg(hw, 0x828, MASKDWORD, mode);
+}
+EXPORT_SYMBOL_GPL(rtl8723_phy_pi_mode_switch);