linux/drivers/net/wireless/realtek/rtlwifi/rtl8723be/rf.c
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   1// SPDX-License-Identifier: GPL-2.0
   2/* Copyright(c) 2009-2014  Realtek Corporation.*/
   3
   4#include "../wifi.h"
   5#include "reg.h"
   6#include "def.h"
   7#include "phy.h"
   8#include "rf.h"
   9#include "dm.h"
  10
  11static bool _rtl8723be_phy_rf6052_config_parafile(struct ieee80211_hw *hw);
  12
  13void rtl8723be_phy_rf6052_set_bandwidth(struct ieee80211_hw *hw, u8 bandwidth)
  14{
  15        struct rtl_priv *rtlpriv = rtl_priv(hw);
  16        struct rtl_phy *rtlphy = &(rtlpriv->phy);
  17
  18        switch (bandwidth) {
  19        case HT_CHANNEL_WIDTH_20:
  20                rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
  21                                             0xfffff3ff) | BIT(10) | BIT(11));
  22                rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
  23                              rtlphy->rfreg_chnlval[0]);
  24                break;
  25        case HT_CHANNEL_WIDTH_20_40:
  26                rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
  27                                             0xfffff3ff) | BIT(10));
  28                rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
  29                              rtlphy->rfreg_chnlval[0]);
  30                break;
  31        default:
  32                pr_err("unknown bandwidth: %#X\n", bandwidth);
  33                break;
  34        }
  35}
  36
  37void rtl8723be_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw,
  38                                          u8 *ppowerlevel)
  39{
  40        struct rtl_priv *rtlpriv = rtl_priv(hw);
  41        struct rtl_phy *rtlphy = &(rtlpriv->phy);
  42        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  43        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
  44        u32 tx_agc[2] = {0, 0}, tmpval;
  45        bool turbo_scanoff = false;
  46        u8 idx1, idx2;
  47        u8 *ptr;
  48        u8 direction;
  49        u32 pwrtrac_value;
  50
  51        if (rtlefuse->eeprom_regulatory != 0)
  52                turbo_scanoff = true;
  53
  54        if (mac->act_scanning) {
  55                tx_agc[RF90_PATH_A] = 0x3f3f3f3f;
  56                tx_agc[RF90_PATH_B] = 0x3f3f3f3f;
  57
  58                if (turbo_scanoff) {
  59                        for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
  60                                tx_agc[idx1] = ppowerlevel[idx1] |
  61                                               (ppowerlevel[idx1] << 8) |
  62                                               (ppowerlevel[idx1] << 16) |
  63                                               (ppowerlevel[idx1] << 24);
  64                        }
  65                }
  66        } else {
  67                for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
  68                        tx_agc[idx1] = ppowerlevel[idx1] |
  69                                       (ppowerlevel[idx1] << 8) |
  70                                       (ppowerlevel[idx1] << 16) |
  71                                       (ppowerlevel[idx1] << 24);
  72                }
  73
  74                if (rtlefuse->eeprom_regulatory == 0) {
  75                        tmpval =
  76                            (rtlphy->mcs_txpwrlevel_origoffset[0][6]) +
  77                            (rtlphy->mcs_txpwrlevel_origoffset[0][7] << 8);
  78                        tx_agc[RF90_PATH_A] += tmpval;
  79
  80                        tmpval = (rtlphy->mcs_txpwrlevel_origoffset[0][14]) +
  81                                 (rtlphy->mcs_txpwrlevel_origoffset[0][15] <<
  82                                  24);
  83                        tx_agc[RF90_PATH_B] += tmpval;
  84                }
  85        }
  86
  87        for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
  88                ptr = (u8 *)(&(tx_agc[idx1]));
  89                for (idx2 = 0; idx2 < 4; idx2++) {
  90                        if (*ptr > RF6052_MAX_TX_PWR)
  91                                *ptr = RF6052_MAX_TX_PWR;
  92                        ptr++;
  93                }
  94        }
  95        rtl8723be_dm_txpower_track_adjust(hw, 1, &direction, &pwrtrac_value);
  96        if (direction == 1) {
  97                tx_agc[0] += pwrtrac_value;
  98                tx_agc[1] += pwrtrac_value;
  99        } else if (direction == 2) {
 100                tx_agc[0] -= pwrtrac_value;
 101                tx_agc[1] -= pwrtrac_value;
 102        }
 103        tmpval = tx_agc[RF90_PATH_A] & 0xff;
 104        rtl_set_bbreg(hw, RTXAGC_A_CCK1_MCS32, MASKBYTE1, tmpval);
 105
 106        RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 107                "CCK PWR 1M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
 108                 RTXAGC_A_CCK1_MCS32);
 109
 110        tmpval = tx_agc[RF90_PATH_A] >> 8;
 111
 112        /*tmpval = tmpval & 0xff00ffff;*/
 113
 114        rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, 0xffffff00, tmpval);
 115
 116        RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 117                "CCK PWR 2~11M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
 118                 RTXAGC_B_CCK11_A_CCK2_11);
 119
 120        tmpval = tx_agc[RF90_PATH_B] >> 24;
 121        rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, MASKBYTE0, tmpval);
 122
 123        RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 124                "CCK PWR 11M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
 125                 RTXAGC_B_CCK11_A_CCK2_11);
 126
 127        tmpval = tx_agc[RF90_PATH_B] & 0x00ffffff;
 128        rtl_set_bbreg(hw, RTXAGC_B_CCK1_55_MCS32, 0xffffff00, tmpval);
 129
 130        RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 131                "CCK PWR 1~5.5M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
 132                 RTXAGC_B_CCK1_55_MCS32);
 133}
 134
 135static void rtl8723be_phy_get_power_base(struct ieee80211_hw *hw,
 136                                         u8 *ppowerlevel_ofdm,
 137                                         u8 *ppowerlevel_bw20,
 138                                         u8 *ppowerlevel_bw40,
 139                                         u8 channel, u32 *ofdmbase,
 140                                         u32 *mcsbase)
 141{
 142        struct rtl_priv *rtlpriv = rtl_priv(hw);
 143        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 144        u32 powerbase0, powerbase1;
 145        u8 i, powerlevel[2];
 146
 147        for (i = 0; i < 2; i++) {
 148                powerbase0 = ppowerlevel_ofdm[i];
 149
 150                powerbase0 = (powerbase0 << 24) | (powerbase0 << 16) |
 151                    (powerbase0 << 8) | powerbase0;
 152                *(ofdmbase + i) = powerbase0;
 153                RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 154                        " [OFDM power base index rf(%c) = 0x%x]\n",
 155                         ((i == 0) ? 'A' : 'B'), *(ofdmbase + i));
 156        }
 157
 158        for (i = 0; i < 2; i++) {
 159                if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20)
 160                        powerlevel[i] = ppowerlevel_bw20[i];
 161                else
 162                        powerlevel[i] = ppowerlevel_bw40[i];
 163
 164                powerbase1 = powerlevel[i];
 165                powerbase1 = (powerbase1 << 24) | (powerbase1 << 16) |
 166                             (powerbase1 << 8) | powerbase1;
 167
 168                *(mcsbase + i) = powerbase1;
 169
 170                RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 171                        " [MCS power base index rf(%c) = 0x%x]\n",
 172                         ((i == 0) ? 'A' : 'B'), *(mcsbase + i));
 173        }
 174}
 175
 176static void _rtl8723be_get_txpower_writeval_by_regulatory(
 177                                                        struct ieee80211_hw *hw,
 178                                                        u8 channel, u8 index,
 179                                                        u32 *powerbase0,
 180                                                        u32 *powerbase1,
 181                                                        u32 *p_outwriteval)
 182{
 183        struct rtl_priv *rtlpriv = rtl_priv(hw);
 184        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 185        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 186        u8 i, chnlgroup = 0, pwr_diff_limit[4], pwr_diff = 0, customer_pwr_diff;
 187        u32 writeval, customer_limit, rf;
 188
 189        for (rf = 0; rf < 2; rf++) {
 190                switch (rtlefuse->eeprom_regulatory) {
 191                case 0:
 192                        chnlgroup = 0;
 193
 194                        writeval =
 195                            rtlphy->mcs_txpwrlevel_origoffset[chnlgroup][index +
 196                                                                (rf ? 8 : 0)]
 197                            + ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
 198
 199                        RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 200                                "RTK better performance, writeval(%c) = 0x%x\n",
 201                                ((rf == 0) ? 'A' : 'B'), writeval);
 202                        break;
 203                case 1:
 204                        if (rtlphy->pwrgroup_cnt == 1) {
 205                                chnlgroup = 0;
 206                        } else {
 207                                if (channel < 3)
 208                                        chnlgroup = 0;
 209                                else if (channel < 6)
 210                                        chnlgroup = 1;
 211                                else if (channel < 9)
 212                                        chnlgroup = 2;
 213                                else if (channel < 12)
 214                                        chnlgroup = 3;
 215                                else if (channel < 14)
 216                                        chnlgroup = 4;
 217                                else if (channel == 14)
 218                                        chnlgroup = 5;
 219                        }
 220
 221                        writeval =
 222                            rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
 223                            [index + (rf ? 8 : 0)] + ((index < 2) ?
 224                                                      powerbase0[rf] :
 225                                                      powerbase1[rf]);
 226
 227                        RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 228                                "Realtek regulatory, 20MHz, writeval(%c) = 0x%x\n",
 229                                ((rf == 0) ? 'A' : 'B'), writeval);
 230
 231                        break;
 232                case 2:
 233                        writeval =
 234                            ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
 235
 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
 243                        if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
 244                                RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 245                                        "customer's limit, 40MHz rf(%c) = 0x%x\n",
 246                                        ((rf == 0) ? 'A' : 'B'),
 247                                        rtlefuse->pwrgroup_ht40
 248                                        [rf][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
 254                                        [rf][channel - 1]);
 255                        }
 256
 257                        if (index < 2)
 258                                pwr_diff =
 259                                    rtlefuse->txpwr_legacyhtdiff[rf][channel-1];
 260                        else if (rtlphy->current_chan_bw ==
 261                                 HT_CHANNEL_WIDTH_20)
 262                                pwr_diff =
 263                                    rtlefuse->txpwr_ht20diff[rf][channel-1];
 264
 265                        if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40)
 266                                customer_pwr_diff =
 267                                        rtlefuse->pwrgroup_ht40[rf][channel-1];
 268                        else
 269                                customer_pwr_diff =
 270                                        rtlefuse->pwrgroup_ht20[rf][channel-1];
 271
 272                        if (pwr_diff > customer_pwr_diff)
 273                                pwr_diff = 0;
 274                        else
 275                                pwr_diff = customer_pwr_diff - pwr_diff;
 276
 277                        for (i = 0; i < 4; i++) {
 278                                pwr_diff_limit[i] =
 279                                    (u8)((rtlphy->mcs_txpwrlevel_origoffset
 280                                           [chnlgroup][index + (rf ? 8 : 0)] &
 281                                              (0x7f << (i * 8))) >> (i * 8));
 282
 283                                if (pwr_diff_limit[i] > pwr_diff)
 284                                        pwr_diff_limit[i] = pwr_diff;
 285                        }
 286
 287                        customer_limit = (pwr_diff_limit[3] << 24) |
 288                                         (pwr_diff_limit[2] << 16) |
 289                                         (pwr_diff_limit[1] << 8) |
 290                                         (pwr_diff_limit[0]);
 291
 292                        RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 293                                "Customer's limit rf(%c) = 0x%x\n",
 294                                 ((rf == 0) ? 'A' : 'B'), customer_limit);
 295
 296                        writeval = customer_limit + ((index < 2) ?
 297                                                      powerbase0[rf] :
 298                                                      powerbase1[rf]);
 299
 300                        RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 301                                "Customer, writeval rf(%c)= 0x%x\n",
 302                                 ((rf == 0) ? 'A' : 'B'), writeval);
 303                        break;
 304                default:
 305                        chnlgroup = 0;
 306                        writeval =
 307                            rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
 308                            [index + (rf ? 8 : 0)]
 309                            + ((index < 2) ? powerbase0[rf] : powerbase1[rf]);
 310
 311                        RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 312                                "RTK better performance, writeval rf(%c) = 0x%x\n",
 313                                ((rf == 0) ? 'A' : 'B'), writeval);
 314                        break;
 315                }
 316
 317                if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
 318                        writeval = writeval - 0x06060606;
 319                else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
 320                         TXHIGHPWRLEVEL_BT2)
 321                        writeval = writeval - 0x0c0c0c0c;
 322                *(p_outwriteval + rf) = writeval;
 323        }
 324}
 325
 326static void _rtl8723be_write_ofdm_power_reg(struct ieee80211_hw *hw,
 327                                         u8 index, u32 *pvalue)
 328{
 329        struct rtl_priv *rtlpriv = rtl_priv(hw);
 330        u16 regoffset_a[6] = {
 331                RTXAGC_A_RATE18_06, RTXAGC_A_RATE54_24,
 332                RTXAGC_A_MCS03_MCS00, RTXAGC_A_MCS07_MCS04,
 333                RTXAGC_A_MCS11_MCS08, RTXAGC_A_MCS15_MCS12
 334        };
 335        u16 regoffset_b[6] = {
 336                RTXAGC_B_RATE18_06, RTXAGC_B_RATE54_24,
 337                RTXAGC_B_MCS03_MCS00, RTXAGC_B_MCS07_MCS04,
 338                RTXAGC_B_MCS11_MCS08, RTXAGC_B_MCS15_MCS12
 339        };
 340        u8 i, rf, pwr_val[4];
 341        u32 writeval;
 342        u16 regoffset;
 343
 344        for (rf = 0; rf < 2; rf++) {
 345                writeval = pvalue[rf];
 346                for (i = 0; i < 4; i++) {
 347                        pwr_val[i] = (u8)((writeval & (0x7f <<
 348                                                        (i * 8))) >> (i * 8));
 349
 350                        if (pwr_val[i] > RF6052_MAX_TX_PWR)
 351                                pwr_val[i] = RF6052_MAX_TX_PWR;
 352                }
 353                writeval = (pwr_val[3] << 24) | (pwr_val[2] << 16) |
 354                    (pwr_val[1] << 8) | pwr_val[0];
 355
 356                if (rf == 0)
 357                        regoffset = regoffset_a[index];
 358                else
 359                        regoffset = regoffset_b[index];
 360                rtl_set_bbreg(hw, regoffset, MASKDWORD, writeval);
 361
 362                RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 363                        "Set 0x%x = %08x\n", regoffset, writeval);
 364        }
 365}
 366
 367void rtl8723be_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw,
 368                                           u8 *ppowerlevel_ofdm,
 369                                           u8 *ppowerlevel_bw20,
 370                                           u8 *ppowerlevel_bw40, u8 channel)
 371{
 372        u32 writeval[2], powerbase0[2], powerbase1[2];
 373        u8 index;
 374        u8 direction;
 375        u32 pwrtrac_value;
 376
 377        rtl8723be_phy_get_power_base(hw, ppowerlevel_ofdm, ppowerlevel_bw20,
 378                                     ppowerlevel_bw40, channel,
 379                                     &powerbase0[0], &powerbase1[0]);
 380
 381        rtl8723be_dm_txpower_track_adjust(hw, 1, &direction, &pwrtrac_value);
 382
 383        for (index = 0; index < 6; index++) {
 384                _rtl8723be_get_txpower_writeval_by_regulatory(hw,
 385                                                              channel, index,
 386                                                              &powerbase0[0],
 387                                                              &powerbase1[0],
 388                                                              &writeval[0]);
 389                if (direction == 1) {
 390                        writeval[0] += pwrtrac_value;
 391                        writeval[1] += pwrtrac_value;
 392                } else if (direction == 2) {
 393                        writeval[0] -= pwrtrac_value;
 394                        writeval[1] -= pwrtrac_value;
 395                }
 396                _rtl8723be_write_ofdm_power_reg(hw, index, &writeval[0]);
 397        }
 398}
 399
 400bool rtl8723be_phy_rf6052_config(struct ieee80211_hw *hw)
 401{
 402        struct rtl_priv *rtlpriv = rtl_priv(hw);
 403        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 404
 405        if (rtlphy->rf_type == RF_1T1R)
 406                rtlphy->num_total_rfpath = 1;
 407        else
 408                rtlphy->num_total_rfpath = 2;
 409
 410        return _rtl8723be_phy_rf6052_config_parafile(hw);
 411
 412}
 413
 414static bool _rtl8723be_phy_rf6052_config_parafile(struct ieee80211_hw *hw)
 415{
 416        struct rtl_priv *rtlpriv = rtl_priv(hw);
 417        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 418        u32 u4_regvalue = 0;
 419        u8 rfpath;
 420        bool rtstatus = true;
 421        struct bb_reg_def *pphyreg;
 422
 423        for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) {
 424                pphyreg = &rtlphy->phyreg_def[rfpath];
 425
 426                switch (rfpath) {
 427                case RF90_PATH_A:
 428                case RF90_PATH_C:
 429                        u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
 430                                                    BRFSI_RFENV);
 431                        break;
 432                case RF90_PATH_B:
 433                case RF90_PATH_D:
 434                        u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
 435                                                    BRFSI_RFENV << 16);
 436                        break;
 437                }
 438
 439                rtl_set_bbreg(hw, pphyreg->rfintfe, BRFSI_RFENV << 16, 0x1);
 440                udelay(1);
 441
 442                rtl_set_bbreg(hw, pphyreg->rfintfo, BRFSI_RFENV, 0x1);
 443                udelay(1);
 444
 445                rtl_set_bbreg(hw, pphyreg->rfhssi_para2,
 446                              B3WIREADDREAALENGTH, 0x0);
 447                udelay(1);
 448
 449                rtl_set_bbreg(hw, pphyreg->rfhssi_para2, B3WIREDATALENGTH, 0x0);
 450                udelay(1);
 451
 452                switch (rfpath) {
 453                case RF90_PATH_A:
 454                        rtstatus = rtl8723be_phy_config_rf_with_headerfile(hw,
 455                                                      (enum radio_path)rfpath);
 456                        break;
 457                case RF90_PATH_B:
 458                        rtstatus = rtl8723be_phy_config_rf_with_headerfile(hw,
 459                                                      (enum radio_path)rfpath);
 460                        break;
 461                case RF90_PATH_C:
 462                        break;
 463                case RF90_PATH_D:
 464                        break;
 465                }
 466
 467                switch (rfpath) {
 468                case RF90_PATH_A:
 469                case RF90_PATH_C:
 470                        rtl_set_bbreg(hw, pphyreg->rfintfs,
 471                                      BRFSI_RFENV, u4_regvalue);
 472                        break;
 473                case RF90_PATH_B:
 474                case RF90_PATH_D:
 475                        rtl_set_bbreg(hw, pphyreg->rfintfs,
 476                                      BRFSI_RFENV << 16, u4_regvalue);
 477                        break;
 478                }
 479
 480                if (!rtstatus) {
 481                        RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
 482                                 "Radio[%d] Fail!!\n", rfpath);
 483                        return false;
 484                }
 485        }
 486
 487        RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "\n");
 488        return rtstatus;
 489}
 490