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