root/drivers/net/wireless/realtek/rtlwifi/rtl8723com/phy_common.c
// 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 = 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 = 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_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);