linux/drivers/net/wireless/rtlwifi/rtl8192ce/rf.c
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   1/******************************************************************************
   2 *
   3 * Copyright(c) 2009-2010  Realtek Corporation.
   4 *
   5 * This program is free software; you can redistribute it and/or modify it
   6 * under the terms of version 2 of the GNU General Public License as
   7 * published by the Free Software Foundation.
   8 *
   9 * This program is distributed in the hope that it will be useful, but WITHOUT
  10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12 * more details.
  13 *
  14 * You should have received a copy of the GNU General Public License along with
  15 * this program; if not, write to the Free Software Foundation, Inc.,
  16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17 *
  18 * The full GNU General Public License is included in this distribution in the
  19 * file called LICENSE.
  20 *
  21 * Contact Information:
  22 * wlanfae <wlanfae@realtek.com>
  23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  24 * Hsinchu 300, Taiwan.
  25 *
  26 * Larry Finger <Larry.Finger@lwfinger.net>
  27 *
  28 *****************************************************************************/
  29
  30#include "../wifi.h"
  31#include "reg.h"
  32#include "def.h"
  33#include "phy.h"
  34#include "rf.h"
  35#include "dm.h"
  36
  37static bool _rtl92ce_phy_rf6052_config_parafile(struct ieee80211_hw *hw);
  38
  39void rtl92ce_phy_rf6052_set_bandwidth(struct ieee80211_hw *hw, u8 bandwidth)
  40{
  41        struct rtl_priv *rtlpriv = rtl_priv(hw);
  42        struct rtl_phy *rtlphy = &(rtlpriv->phy);
  43
  44        switch (bandwidth) {
  45        case HT_CHANNEL_WIDTH_20:
  46                rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
  47                                             0xfffff3ff) | 0x0400);
  48                rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
  49                              rtlphy->rfreg_chnlval[0]);
  50                break;
  51        case HT_CHANNEL_WIDTH_20_40:
  52                rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
  53                                             0xfffff3ff));
  54                rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
  55                              rtlphy->rfreg_chnlval[0]);
  56                break;
  57        default:
  58                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
  59                         ("unknown bandwidth: %#X\n", bandwidth));
  60                break;
  61        }
  62}
  63
  64void rtl92ce_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw,
  65                                        u8 *ppowerlevel)
  66{
  67        struct rtl_priv *rtlpriv = rtl_priv(hw);
  68        struct rtl_phy *rtlphy = &(rtlpriv->phy);
  69        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
  70        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
  71        u32 tx_agc[2] = {0, 0}, tmpval;
  72        bool turbo_scanoff = false;
  73        u8 idx1, idx2;
  74        u8 *ptr;
  75
  76        if (rtlefuse->eeprom_regulatory != 0)
  77                turbo_scanoff = true;
  78
  79        if (mac->act_scanning) {
  80                tx_agc[RF90_PATH_A] = 0x3f3f3f3f;
  81                tx_agc[RF90_PATH_B] = 0x3f3f3f3f;
  82
  83                if (turbo_scanoff) {
  84                        for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
  85                                tx_agc[idx1] = ppowerlevel[idx1] |
  86                                    (ppowerlevel[idx1] << 8) |
  87                                    (ppowerlevel[idx1] << 16) |
  88                                    (ppowerlevel[idx1] << 24);
  89                        }
  90                }
  91        } else {
  92                for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
  93                        tx_agc[idx1] = ppowerlevel[idx1] |
  94                            (ppowerlevel[idx1] << 8) |
  95                            (ppowerlevel[idx1] << 16) |
  96                            (ppowerlevel[idx1] << 24);
  97                }
  98
  99                if (rtlefuse->eeprom_regulatory == 0) {
 100                        tmpval =
 101                            (rtlphy->mcs_txpwrlevel_origoffset[0][6]) +
 102                            (rtlphy->mcs_txpwrlevel_origoffset[0][7] <<
 103                             8);
 104                        tx_agc[RF90_PATH_A] += tmpval;
 105
 106                        tmpval = (rtlphy->mcs_txpwrlevel_origoffset[0][14]) +
 107                                 (rtlphy->mcs_txpwrlevel_origoffset[0][15] <<
 108                                 24);
 109                        tx_agc[RF90_PATH_B] += tmpval;
 110                }
 111        }
 112
 113        for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
 114                ptr = (u8 *) (&(tx_agc[idx1]));
 115                for (idx2 = 0; idx2 < 4; idx2++) {
 116                        if (*ptr > RF6052_MAX_TX_PWR)
 117                                *ptr = RF6052_MAX_TX_PWR;
 118                        ptr++;
 119                }
 120        }
 121
 122        tmpval = tx_agc[RF90_PATH_A] & 0xff;
 123        rtl_set_bbreg(hw, RTXAGC_A_CCK1_MCS32, MASKBYTE1, tmpval);
 124
 125        RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 126                ("CCK PWR 1M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
 127                 RTXAGC_A_CCK1_MCS32));
 128
 129        tmpval = tx_agc[RF90_PATH_A] >> 8;
 130
 131        tmpval = tmpval & 0xff00ffff;
 132
 133        rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, 0xffffff00, tmpval);
 134
 135        RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 136                ("CCK PWR 2~11M (rf-A) = 0x%x (reg 0x%x)\n", tmpval,
 137                 RTXAGC_B_CCK11_A_CCK2_11));
 138
 139        tmpval = tx_agc[RF90_PATH_B] >> 24;
 140        rtl_set_bbreg(hw, RTXAGC_B_CCK11_A_CCK2_11, MASKBYTE0, tmpval);
 141
 142        RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 143                ("CCK PWR 11M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
 144                 RTXAGC_B_CCK11_A_CCK2_11));
 145
 146        tmpval = tx_agc[RF90_PATH_B] & 0x00ffffff;
 147        rtl_set_bbreg(hw, RTXAGC_B_CCK1_55_MCS32, 0xffffff00, tmpval);
 148
 149        RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 150                ("CCK PWR 1~5.5M (rf-B) = 0x%x (reg 0x%x)\n", tmpval,
 151                 RTXAGC_B_CCK1_55_MCS32));
 152}
 153
 154static void rtl92c_phy_get_power_base(struct ieee80211_hw *hw,
 155                                      u8 *ppowerlevel, u8 channel,
 156                                      u32 *ofdmbase, u32 *mcsbase)
 157{
 158        struct rtl_priv *rtlpriv = rtl_priv(hw);
 159        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 160        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 161        u32 powerBase0, powerBase1;
 162        u8 legacy_pwrdiff, ht20_pwrdiff;
 163        u8 i, powerlevel[2];
 164
 165        for (i = 0; i < 2; i++) {
 166                powerlevel[i] = ppowerlevel[i];
 167                legacy_pwrdiff = rtlefuse->txpwr_legacyhtdiff[i][channel - 1];
 168                powerBase0 = powerlevel[i] + legacy_pwrdiff;
 169
 170                powerBase0 = (powerBase0 << 24) | (powerBase0 << 16) |
 171                    (powerBase0 << 8) | powerBase0;
 172                *(ofdmbase + i) = powerBase0;
 173                RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 174                        (" [OFDM power base index rf(%c) = 0x%x]\n",
 175                         ((i == 0) ? 'A' : 'B'), *(ofdmbase + i)));
 176        }
 177
 178        for (i = 0; i < 2; i++) {
 179                if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20) {
 180                        ht20_pwrdiff = rtlefuse->txpwr_ht20diff[i][channel - 1];
 181                        powerlevel[i] += ht20_pwrdiff;
 182                }
 183                powerBase1 = powerlevel[i];
 184                powerBase1 = (powerBase1 << 24) |
 185                    (powerBase1 << 16) | (powerBase1 << 8) | powerBase1;
 186
 187                *(mcsbase + i) = powerBase1;
 188
 189                RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 190                        (" [MCS power base index rf(%c) = 0x%x]\n",
 191                         ((i == 0) ? 'A' : 'B'), *(mcsbase + i)));
 192        }
 193}
 194
 195static void _rtl92c_get_txpower_writeval_by_regulatory(struct ieee80211_hw *hw,
 196                                                       u8 channel, u8 index,
 197                                                       u32 *powerBase0,
 198                                                       u32 *powerBase1,
 199                                                       u32 *p_outwriteval)
 200{
 201        struct rtl_priv *rtlpriv = rtl_priv(hw);
 202        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 203        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 204        u8 i, chnlgroup = 0, pwr_diff_limit[4];
 205        u32 writeVal, customer_limit, rf;
 206
 207        for (rf = 0; rf < 2; rf++) {
 208                switch (rtlefuse->eeprom_regulatory) {
 209                case 0:
 210                        chnlgroup = 0;
 211
 212                        writeVal =
 213                            rtlphy->mcs_txpwrlevel_origoffset[chnlgroup][index +
 214                            (rf ? 8 : 0)]
 215                            + ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
 216
 217                        RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 218                                ("RTK better performance, "
 219                                 "writeVal(%c) = 0x%x\n",
 220                                 ((rf == 0) ? 'A' : 'B'), writeVal));
 221                        break;
 222                case 1:
 223                        if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
 224                                writeVal = ((index < 2) ? powerBase0[rf] :
 225                                            powerBase1[rf]);
 226
 227                                RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 228                                        ("Realtek regulatory, 40MHz, "
 229                                         "writeVal(%c) = 0x%x\n",
 230                                         ((rf == 0) ? 'A' : 'B'), writeVal));
 231                        } else {
 232                                if (rtlphy->pwrgroup_cnt == 1)
 233                                        chnlgroup = 0;
 234                                if (rtlphy->pwrgroup_cnt >= 3) {
 235                                        if (channel <= 3)
 236                                                chnlgroup = 0;
 237                                        else if (channel >= 4 && channel <= 9)
 238                                                chnlgroup = 1;
 239                                        else if (channel > 9)
 240                                                chnlgroup = 2;
 241                                        if (rtlphy->pwrgroup_cnt == 4)
 242                                                chnlgroup++;
 243                                }
 244
 245                                writeVal =
 246                                    rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
 247                                    [index + (rf ? 8 : 0)] + ((index < 2) ?
 248                                                              powerBase0[rf] :
 249                                                              powerBase1[rf]);
 250
 251                                RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 252                                        ("Realtek regulatory, 20MHz, "
 253                                         "writeVal(%c) = 0x%x\n",
 254                                         ((rf == 0) ? 'A' : 'B'), writeVal));
 255                        }
 256                        break;
 257                case 2:
 258                        writeVal =
 259                            ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
 260
 261                        RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 262                                ("Better regulatory, "
 263                                 "writeVal(%c) = 0x%x\n",
 264                                 ((rf == 0) ? 'A' : 'B'), writeVal));
 265                        break;
 266                case 3:
 267                        chnlgroup = 0;
 268
 269                        if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
 270                                RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 271                                        ("customer's limit, 40MHz "
 272                                         "rf(%c) = 0x%x\n",
 273                                         ((rf == 0) ? 'A' : 'B'),
 274                                         rtlefuse->pwrgroup_ht40[rf][channel -
 275                                                                     1]));
 276                        } else {
 277                                RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 278                                        ("customer's limit, 20MHz "
 279                                         "rf(%c) = 0x%x\n",
 280                                         ((rf == 0) ? 'A' : 'B'),
 281                                         rtlefuse->pwrgroup_ht20[rf][channel -
 282                                                                     1]));
 283                        }
 284                        for (i = 0; i < 4; i++) {
 285                                pwr_diff_limit[i] =
 286                                    (u8) ((rtlphy->mcs_txpwrlevel_origoffset
 287                                          [chnlgroup][index +
 288                                          (rf ? 8 : 0)] & (0x7f << (i * 8))) >>
 289                                          (i * 8));
 290
 291                                if (rtlphy->current_chan_bw ==
 292                                    HT_CHANNEL_WIDTH_20_40) {
 293                                        if (pwr_diff_limit[i] >
 294                                            rtlefuse->
 295                                            pwrgroup_ht40[rf][channel - 1])
 296                                                pwr_diff_limit[i] =
 297                                                    rtlefuse->pwrgroup_ht40[rf]
 298                                                    [channel - 1];
 299                                } else {
 300                                        if (pwr_diff_limit[i] >
 301                                            rtlefuse->
 302                                            pwrgroup_ht20[rf][channel - 1])
 303                                                pwr_diff_limit[i] =
 304                                                    rtlefuse->pwrgroup_ht20[rf]
 305                                                    [channel - 1];
 306                                }
 307                        }
 308
 309                        customer_limit = (pwr_diff_limit[3] << 24) |
 310                            (pwr_diff_limit[2] << 16) |
 311                            (pwr_diff_limit[1] << 8) | (pwr_diff_limit[0]);
 312
 313                        RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 314                                ("Customer's limit rf(%c) = 0x%x\n",
 315                                 ((rf == 0) ? 'A' : 'B'), customer_limit));
 316
 317                        writeVal = customer_limit +
 318                            ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
 319
 320                        RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 321                                ("Customer, writeVal rf(%c)= 0x%x\n",
 322                                 ((rf == 0) ? 'A' : 'B'), writeVal));
 323                        break;
 324                default:
 325                        chnlgroup = 0;
 326                        writeVal =
 327                            rtlphy->mcs_txpwrlevel_origoffset[chnlgroup]
 328                            [index + (rf ? 8 : 0)]
 329                            + ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
 330
 331                        RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 332                                ("RTK better performance, writeVal "
 333                                 "rf(%c) = 0x%x\n",
 334                                 ((rf == 0) ? 'A' : 'B'), writeVal));
 335                        break;
 336                }
 337
 338                if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
 339                        writeVal = writeVal - 0x06060606;
 340                else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
 341                         TXHIGHPWRLEVEL_BT2)
 342                        writeVal = writeVal - 0x0c0c0c0c;
 343                *(p_outwriteval + rf) = writeVal;
 344        }
 345}
 346
 347static void _rtl92c_write_ofdm_power_reg(struct ieee80211_hw *hw,
 348                                         u8 index, u32 *pValue)
 349{
 350        struct rtl_priv *rtlpriv = rtl_priv(hw);
 351        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 352
 353        u16 regoffset_a[6] = {
 354                RTXAGC_A_RATE18_06, RTXAGC_A_RATE54_24,
 355                RTXAGC_A_MCS03_MCS00, RTXAGC_A_MCS07_MCS04,
 356                RTXAGC_A_MCS11_MCS08, RTXAGC_A_MCS15_MCS12
 357        };
 358        u16 regoffset_b[6] = {
 359                RTXAGC_B_RATE18_06, RTXAGC_B_RATE54_24,
 360                RTXAGC_B_MCS03_MCS00, RTXAGC_B_MCS07_MCS04,
 361                RTXAGC_B_MCS11_MCS08, RTXAGC_B_MCS15_MCS12
 362        };
 363        u8 i, rf, pwr_val[4];
 364        u32 writeVal;
 365        u16 regoffset;
 366
 367        for (rf = 0; rf < 2; rf++) {
 368                writeVal = pValue[rf];
 369                for (i = 0; i < 4; i++) {
 370                        pwr_val[i] = (u8) ((writeVal & (0x7f <<
 371                                                        (i * 8))) >> (i * 8));
 372
 373                        if (pwr_val[i] > RF6052_MAX_TX_PWR)
 374                                pwr_val[i] = RF6052_MAX_TX_PWR;
 375                }
 376                writeVal = (pwr_val[3] << 24) | (pwr_val[2] << 16) |
 377                    (pwr_val[1] << 8) | pwr_val[0];
 378
 379                if (rf == 0)
 380                        regoffset = regoffset_a[index];
 381                else
 382                        regoffset = regoffset_b[index];
 383                rtl_set_bbreg(hw, regoffset, MASKDWORD, writeVal);
 384
 385                RTPRINT(rtlpriv, FPHY, PHY_TXPWR,
 386                        ("Set 0x%x = %08x\n", regoffset, writeVal));
 387
 388                if (((get_rf_type(rtlphy) == RF_2T2R) &&
 389                     (regoffset == RTXAGC_A_MCS15_MCS12 ||
 390                      regoffset == RTXAGC_B_MCS15_MCS12)) ||
 391                    ((get_rf_type(rtlphy) != RF_2T2R) &&
 392                     (regoffset == RTXAGC_A_MCS07_MCS04 ||
 393                      regoffset == RTXAGC_B_MCS07_MCS04))) {
 394
 395                        writeVal = pwr_val[3];
 396                        if (regoffset == RTXAGC_A_MCS15_MCS12 ||
 397                            regoffset == RTXAGC_A_MCS07_MCS04)
 398                                regoffset = 0xc90;
 399                        if (regoffset == RTXAGC_B_MCS15_MCS12 ||
 400                            regoffset == RTXAGC_B_MCS07_MCS04)
 401                                regoffset = 0xc98;
 402
 403                        for (i = 0; i < 3; i++) {
 404                                writeVal = (writeVal > 6) ? (writeVal - 6) : 0;
 405                                rtl_write_byte(rtlpriv, (u32) (regoffset + i),
 406                                               (u8) writeVal);
 407                        }
 408                }
 409        }
 410}
 411
 412void rtl92ce_phy_rf6052_set_ofdm_txpower(struct ieee80211_hw *hw,
 413                                        u8 *ppowerlevel, u8 channel)
 414{
 415        u32 writeVal[2], powerBase0[2], powerBase1[2];
 416        u8 index;
 417
 418        rtl92c_phy_get_power_base(hw, ppowerlevel,
 419                                  channel, &powerBase0[0], &powerBase1[0]);
 420
 421        for (index = 0; index < 6; index++) {
 422                _rtl92c_get_txpower_writeval_by_regulatory(hw,
 423                                                           channel, index,
 424                                                           &powerBase0[0],
 425                                                           &powerBase1[0],
 426                                                           &writeVal[0]);
 427
 428                _rtl92c_write_ofdm_power_reg(hw, index, &writeVal[0]);
 429        }
 430}
 431
 432bool rtl92ce_phy_rf6052_config(struct ieee80211_hw *hw)
 433{
 434        struct rtl_priv *rtlpriv = rtl_priv(hw);
 435        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 436
 437        if (rtlphy->rf_type == RF_1T1R)
 438                rtlphy->num_total_rfpath = 1;
 439        else
 440                rtlphy->num_total_rfpath = 2;
 441
 442        return _rtl92ce_phy_rf6052_config_parafile(hw);
 443
 444}
 445
 446static bool _rtl92ce_phy_rf6052_config_parafile(struct ieee80211_hw *hw)
 447{
 448        struct rtl_priv *rtlpriv = rtl_priv(hw);
 449        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 450        u32 u4_regvalue = 0;
 451        u8 rfpath;
 452        bool rtstatus = true;
 453        struct bb_reg_def *pphyreg;
 454
 455        for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) {
 456
 457                pphyreg = &rtlphy->phyreg_def[rfpath];
 458
 459                switch (rfpath) {
 460                case RF90_PATH_A:
 461                case RF90_PATH_C:
 462                        u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
 463                                                    BRFSI_RFENV);
 464                        break;
 465                case RF90_PATH_B:
 466                case RF90_PATH_D:
 467                        u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs,
 468                                                    BRFSI_RFENV << 16);
 469                        break;
 470                }
 471
 472                rtl_set_bbreg(hw, pphyreg->rfintfe, BRFSI_RFENV << 16, 0x1);
 473                udelay(1);
 474
 475                rtl_set_bbreg(hw, pphyreg->rfintfo, BRFSI_RFENV, 0x1);
 476                udelay(1);
 477
 478                rtl_set_bbreg(hw, pphyreg->rfhssi_para2,
 479                              B3WIREADDREAALENGTH, 0x0);
 480                udelay(1);
 481
 482                rtl_set_bbreg(hw, pphyreg->rfhssi_para2, B3WIREDATALENGTH, 0x0);
 483                udelay(1);
 484
 485                switch (rfpath) {
 486                case RF90_PATH_A:
 487                        rtstatus = rtl92c_phy_config_rf_with_headerfile(hw,
 488                                                (enum radio_path)rfpath);
 489                        break;
 490                case RF90_PATH_B:
 491                        rtstatus = rtl92c_phy_config_rf_with_headerfile(hw,
 492                                                (enum radio_path)rfpath);
 493                        break;
 494                case RF90_PATH_C:
 495                        break;
 496                case RF90_PATH_D:
 497                        break;
 498                }
 499
 500                switch (rfpath) {
 501                case RF90_PATH_A:
 502                case RF90_PATH_C:
 503                        rtl_set_bbreg(hw, pphyreg->rfintfs,
 504                                      BRFSI_RFENV, u4_regvalue);
 505                        break;
 506                case RF90_PATH_B:
 507                case RF90_PATH_D:
 508                        rtl_set_bbreg(hw, pphyreg->rfintfs,
 509                                      BRFSI_RFENV << 16, u4_regvalue);
 510                        break;
 511                }
 512
 513                if (rtstatus != true) {
 514                        RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
 515                                 ("Radio[%d] Fail!!", rfpath));
 516                        return false;
 517                }
 518
 519        }
 520
 521        RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, ("<---\n"));
 522        return rtstatus;
 523}
 524