linux/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c
<<
>>
Prefs
   1/******************************************************************************
   2 *
   3 * Copyright(c) 2009-2012  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 "../pci.h"
  32#include "../ps.h"
  33#include "reg.h"
  34#include "def.h"
  35#include "hw.h"
  36#include "phy.h"
  37#include "rf.h"
  38#include "dm.h"
  39#include "table.h"
  40
  41static bool _rtl92c_phy_config_mac_with_headerfile(struct ieee80211_hw *hw);
  42
  43u32 rtl92c_phy_query_rf_reg(struct ieee80211_hw *hw,
  44                            enum radio_path rfpath, u32 regaddr, u32 bitmask)
  45{
  46        struct rtl_priv *rtlpriv = rtl_priv(hw);
  47        u32 original_value, readback_value, bitshift;
  48        struct rtl_phy *rtlphy = &(rtlpriv->phy);
  49
  50        RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
  51                 "regaddr(%#x), rfpath(%#x), bitmask(%#x)\n",
  52                 regaddr, rfpath, bitmask);
  53
  54        spin_lock(&rtlpriv->locks.rf_lock);
  55
  56        if (rtlphy->rf_mode != RF_OP_BY_FW) {
  57                original_value = _rtl92c_phy_rf_serial_read(hw,
  58                                                            rfpath, regaddr);
  59        } else {
  60                original_value = _rtl92c_phy_fw_rf_serial_read(hw,
  61                                                               rfpath, regaddr);
  62        }
  63
  64        bitshift = _rtl92c_phy_calculate_bit_shift(bitmask);
  65        readback_value = (original_value & bitmask) >> bitshift;
  66
  67        spin_unlock(&rtlpriv->locks.rf_lock);
  68
  69        RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
  70                 "regaddr(%#x), rfpath(%#x), bitmask(%#x), original_value(%#x)\n",
  71                 regaddr, rfpath, bitmask, original_value);
  72
  73        return readback_value;
  74}
  75
  76bool rtl92c_phy_mac_config(struct ieee80211_hw *hw)
  77{
  78        struct rtl_priv *rtlpriv = rtl_priv(hw);
  79        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  80        bool is92c = IS_92C_SERIAL(rtlhal->version);
  81        bool rtstatus = _rtl92c_phy_config_mac_with_headerfile(hw);
  82
  83        if (is92c)
  84                rtl_write_byte(rtlpriv, 0x14, 0x71);
  85        else
  86                rtl_write_byte(rtlpriv, 0x04CA, 0x0A);
  87        return rtstatus;
  88}
  89
  90bool rtl92c_phy_bb_config(struct ieee80211_hw *hw)
  91{
  92        bool rtstatus = true;
  93        struct rtl_priv *rtlpriv = rtl_priv(hw);
  94        u16 regval;
  95        u32 regvaldw;
  96        u8 reg_hwparafile = 1;
  97
  98        _rtl92c_phy_init_bb_rf_register_definition(hw);
  99        regval = rtl_read_word(rtlpriv, REG_SYS_FUNC_EN);
 100        rtl_write_word(rtlpriv, REG_SYS_FUNC_EN,
 101                       regval | BIT(13) | BIT(0) | BIT(1));
 102        rtl_write_byte(rtlpriv, REG_AFE_PLL_CTRL, 0x83);
 103        rtl_write_byte(rtlpriv, REG_AFE_PLL_CTRL + 1, 0xdb);
 104        rtl_write_byte(rtlpriv, REG_RF_CTRL, RF_EN | RF_RSTB | RF_SDMRSTB);
 105        rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN,
 106                       FEN_PPLL | FEN_PCIEA | FEN_DIO_PCIE |
 107                       FEN_BB_GLB_RSTn | FEN_BBRSTB);
 108        rtl_write_byte(rtlpriv, REG_AFE_XTAL_CTRL + 1, 0x80);
 109        regvaldw = rtl_read_dword(rtlpriv, REG_LEDCFG0);
 110        rtl_write_dword(rtlpriv, REG_LEDCFG0, regvaldw | BIT(23));
 111        if (reg_hwparafile == 1)
 112                rtstatus = _rtl92c_phy_bb8192c_config_parafile(hw);
 113        return rtstatus;
 114}
 115
 116void rtl92ce_phy_set_rf_reg(struct ieee80211_hw *hw,
 117                            enum radio_path rfpath,
 118                            u32 regaddr, u32 bitmask, u32 data)
 119{
 120        struct rtl_priv *rtlpriv = rtl_priv(hw);
 121        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 122        u32 original_value, bitshift;
 123
 124        RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
 125                 "regaddr(%#x), bitmask(%#x), data(%#x), rfpath(%#x)\n",
 126                 regaddr, bitmask, data, rfpath);
 127
 128        spin_lock(&rtlpriv->locks.rf_lock);
 129
 130        if (rtlphy->rf_mode != RF_OP_BY_FW) {
 131                if (bitmask != RFREG_OFFSET_MASK) {
 132                        original_value = _rtl92c_phy_rf_serial_read(hw,
 133                                                                    rfpath,
 134                                                                    regaddr);
 135                        bitshift = _rtl92c_phy_calculate_bit_shift(bitmask);
 136                        data =
 137                            ((original_value & (~bitmask)) |
 138                             (data << bitshift));
 139                }
 140
 141                _rtl92c_phy_rf_serial_write(hw, rfpath, regaddr, data);
 142        } else {
 143                if (bitmask != RFREG_OFFSET_MASK) {
 144                        original_value = _rtl92c_phy_fw_rf_serial_read(hw,
 145                                                                       rfpath,
 146                                                                       regaddr);
 147                        bitshift = _rtl92c_phy_calculate_bit_shift(bitmask);
 148                        data =
 149                            ((original_value & (~bitmask)) |
 150                             (data << bitshift));
 151                }
 152                _rtl92c_phy_fw_rf_serial_write(hw, rfpath, regaddr, data);
 153        }
 154
 155        spin_unlock(&rtlpriv->locks.rf_lock);
 156
 157        RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
 158                 "regaddr(%#x), bitmask(%#x), data(%#x), rfpath(%#x)\n",
 159                 regaddr, bitmask, data, rfpath);
 160}
 161
 162static bool _rtl92c_phy_config_mac_with_headerfile(struct ieee80211_hw *hw)
 163{
 164        struct rtl_priv *rtlpriv = rtl_priv(hw);
 165        u32 i;
 166        u32 arraylength;
 167        u32 *ptrarray;
 168
 169        RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "Read Rtl819XMACPHY_Array\n");
 170        arraylength = MAC_2T_ARRAYLENGTH;
 171        ptrarray = RTL8192CEMAC_2T_ARRAY;
 172        RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "Img:RTL8192CEMAC_2T_ARRAY\n");
 173        for (i = 0; i < arraylength; i = i + 2)
 174                rtl_write_byte(rtlpriv, ptrarray[i], (u8) ptrarray[i + 1]);
 175        return true;
 176}
 177
 178bool _rtl92ce_phy_config_bb_with_headerfile(struct ieee80211_hw *hw,
 179                                            u8 configtype)
 180{
 181        int i;
 182        u32 *phy_regarray_table;
 183        u32 *agctab_array_table;
 184        u16 phy_reg_arraylen, agctab_arraylen;
 185        struct rtl_priv *rtlpriv = rtl_priv(hw);
 186        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 187
 188        if (IS_92C_SERIAL(rtlhal->version)) {
 189                agctab_arraylen = AGCTAB_2TARRAYLENGTH;
 190                agctab_array_table = RTL8192CEAGCTAB_2TARRAY;
 191                phy_reg_arraylen = PHY_REG_2TARRAY_LENGTH;
 192                phy_regarray_table = RTL8192CEPHY_REG_2TARRAY;
 193        } else {
 194                agctab_arraylen = AGCTAB_1TARRAYLENGTH;
 195                agctab_array_table = RTL8192CEAGCTAB_1TARRAY;
 196                phy_reg_arraylen = PHY_REG_1TARRAY_LENGTH;
 197                phy_regarray_table = RTL8192CEPHY_REG_1TARRAY;
 198        }
 199        if (configtype == BASEBAND_CONFIG_PHY_REG) {
 200                for (i = 0; i < phy_reg_arraylen; i = i + 2) {
 201                        if (phy_regarray_table[i] == 0xfe)
 202                                mdelay(50);
 203                        else if (phy_regarray_table[i] == 0xfd)
 204                                mdelay(5);
 205                        else if (phy_regarray_table[i] == 0xfc)
 206                                mdelay(1);
 207                        else if (phy_regarray_table[i] == 0xfb)
 208                                udelay(50);
 209                        else if (phy_regarray_table[i] == 0xfa)
 210                                udelay(5);
 211                        else if (phy_regarray_table[i] == 0xf9)
 212                                udelay(1);
 213                        rtl_set_bbreg(hw, phy_regarray_table[i], MASKDWORD,
 214                                      phy_regarray_table[i + 1]);
 215                        udelay(1);
 216                        RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
 217                                 "The phy_regarray_table[0] is %x Rtl819XPHY_REGArray[1] is %x\n",
 218                                 phy_regarray_table[i],
 219                                 phy_regarray_table[i + 1]);
 220                }
 221        } else if (configtype == BASEBAND_CONFIG_AGC_TAB) {
 222                for (i = 0; i < agctab_arraylen; i = i + 2) {
 223                        rtl_set_bbreg(hw, agctab_array_table[i], MASKDWORD,
 224                                      agctab_array_table[i + 1]);
 225                        udelay(1);
 226                        RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
 227                                 "The agctab_array_table[0] is %x Rtl819XPHY_REGArray[1] is %x\n",
 228                                 agctab_array_table[i],
 229                                 agctab_array_table[i + 1]);
 230                }
 231        }
 232        return true;
 233}
 234
 235bool _rtl92ce_phy_config_bb_with_pgheaderfile(struct ieee80211_hw *hw,
 236                                              u8 configtype)
 237{
 238        struct rtl_priv *rtlpriv = rtl_priv(hw);
 239        int i;
 240        u32 *phy_regarray_table_pg;
 241        u16 phy_regarray_pg_len;
 242
 243        phy_regarray_pg_len = PHY_REG_ARRAY_PGLENGTH;
 244        phy_regarray_table_pg = RTL8192CEPHY_REG_ARRAY_PG;
 245
 246        if (configtype == BASEBAND_CONFIG_PHY_REG) {
 247                for (i = 0; i < phy_regarray_pg_len; i = i + 3) {
 248                        if (phy_regarray_table_pg[i] == 0xfe)
 249                                mdelay(50);
 250                        else if (phy_regarray_table_pg[i] == 0xfd)
 251                                mdelay(5);
 252                        else if (phy_regarray_table_pg[i] == 0xfc)
 253                                mdelay(1);
 254                        else if (phy_regarray_table_pg[i] == 0xfb)
 255                                udelay(50);
 256                        else if (phy_regarray_table_pg[i] == 0xfa)
 257                                udelay(5);
 258                        else if (phy_regarray_table_pg[i] == 0xf9)
 259                                udelay(1);
 260
 261                        _rtl92c_store_pwrIndex_diffrate_offset(hw,
 262                                               phy_regarray_table_pg[i],
 263                                               phy_regarray_table_pg[i + 1],
 264                                               phy_regarray_table_pg[i + 2]);
 265                }
 266        } else {
 267
 268                RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 269                         "configtype != BaseBand_Config_PHY_REG\n");
 270        }
 271        return true;
 272}
 273
 274bool rtl92c_phy_config_rf_with_headerfile(struct ieee80211_hw *hw,
 275                                          enum radio_path rfpath)
 276{
 277
 278        int i;
 279        u32 *radioa_array_table;
 280        u32 *radiob_array_table;
 281        u16 radioa_arraylen, radiob_arraylen;
 282        struct rtl_priv *rtlpriv = rtl_priv(hw);
 283        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 284
 285        if (IS_92C_SERIAL(rtlhal->version)) {
 286                radioa_arraylen = RADIOA_2TARRAYLENGTH;
 287                radioa_array_table = RTL8192CERADIOA_2TARRAY;
 288                radiob_arraylen = RADIOB_2TARRAYLENGTH;
 289                radiob_array_table = RTL8192CE_RADIOB_2TARRAY;
 290                RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
 291                         "Radio_A:RTL8192CERADIOA_2TARRAY\n");
 292                RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
 293                         "Radio_B:RTL8192CE_RADIOB_2TARRAY\n");
 294        } else {
 295                radioa_arraylen = RADIOA_1TARRAYLENGTH;
 296                radioa_array_table = RTL8192CE_RADIOA_1TARRAY;
 297                radiob_arraylen = RADIOB_1TARRAYLENGTH;
 298                radiob_array_table = RTL8192CE_RADIOB_1TARRAY;
 299                RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
 300                         "Radio_A:RTL8192CE_RADIOA_1TARRAY\n");
 301                RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
 302                         "Radio_B:RTL8192CE_RADIOB_1TARRAY\n");
 303        }
 304        RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "Radio No %x\n", rfpath);
 305        switch (rfpath) {
 306        case RF90_PATH_A:
 307                for (i = 0; i < radioa_arraylen; i = i + 2) {
 308                        if (radioa_array_table[i] == 0xfe)
 309                                mdelay(50);
 310                        else if (radioa_array_table[i] == 0xfd)
 311                                mdelay(5);
 312                        else if (radioa_array_table[i] == 0xfc)
 313                                mdelay(1);
 314                        else if (radioa_array_table[i] == 0xfb)
 315                                udelay(50);
 316                        else if (radioa_array_table[i] == 0xfa)
 317                                udelay(5);
 318                        else if (radioa_array_table[i] == 0xf9)
 319                                udelay(1);
 320                        else {
 321                                rtl_set_rfreg(hw, rfpath, radioa_array_table[i],
 322                                              RFREG_OFFSET_MASK,
 323                                              radioa_array_table[i + 1]);
 324                                udelay(1);
 325                        }
 326                }
 327                break;
 328        case RF90_PATH_B:
 329                for (i = 0; i < radiob_arraylen; i = i + 2) {
 330                        if (radiob_array_table[i] == 0xfe) {
 331                                mdelay(50);
 332                        } else if (radiob_array_table[i] == 0xfd)
 333                                mdelay(5);
 334                        else if (radiob_array_table[i] == 0xfc)
 335                                mdelay(1);
 336                        else if (radiob_array_table[i] == 0xfb)
 337                                udelay(50);
 338                        else if (radiob_array_table[i] == 0xfa)
 339                                udelay(5);
 340                        else if (radiob_array_table[i] == 0xf9)
 341                                udelay(1);
 342                        else {
 343                                rtl_set_rfreg(hw, rfpath, radiob_array_table[i],
 344                                              RFREG_OFFSET_MASK,
 345                                              radiob_array_table[i + 1]);
 346                                udelay(1);
 347                        }
 348                }
 349                break;
 350        case RF90_PATH_C:
 351                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 352                         "switch case not processed\n");
 353                break;
 354        case RF90_PATH_D:
 355                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 356                         "switch case not processed\n");
 357                break;
 358        }
 359        return true;
 360}
 361
 362void rtl92ce_phy_set_bw_mode_callback(struct ieee80211_hw *hw)
 363{
 364        struct rtl_priv *rtlpriv = rtl_priv(hw);
 365        struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 366        struct rtl_phy *rtlphy = &(rtlpriv->phy);
 367        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 368        u8 reg_bw_opmode;
 369        u8 reg_prsr_rsc;
 370
 371        RT_TRACE(rtlpriv, COMP_SCAN, DBG_TRACE, "Switch to %s bandwidth\n",
 372                 rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20 ?
 373                 "20MHz" : "40MHz");
 374
 375        if (is_hal_stop(rtlhal)) {
 376                rtlphy->set_bwmode_inprogress = false;
 377                return;
 378        }
 379
 380        reg_bw_opmode = rtl_read_byte(rtlpriv, REG_BWOPMODE);
 381        reg_prsr_rsc = rtl_read_byte(rtlpriv, REG_RRSR + 2);
 382
 383        switch (rtlphy->current_chan_bw) {
 384        case HT_CHANNEL_WIDTH_20:
 385                reg_bw_opmode |= BW_OPMODE_20MHZ;
 386                rtl_write_byte(rtlpriv, REG_BWOPMODE, reg_bw_opmode);
 387                break;
 388        case HT_CHANNEL_WIDTH_20_40:
 389                reg_bw_opmode &= ~BW_OPMODE_20MHZ;
 390                rtl_write_byte(rtlpriv, REG_BWOPMODE, reg_bw_opmode);
 391                reg_prsr_rsc =
 392                    (reg_prsr_rsc & 0x90) | (mac->cur_40_prime_sc << 5);
 393                rtl_write_byte(rtlpriv, REG_RRSR + 2, reg_prsr_rsc);
 394                break;
 395        default:
 396                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 397                         "unknown bandwidth: %#X\n", rtlphy->current_chan_bw);
 398                break;
 399        }
 400
 401        switch (rtlphy->current_chan_bw) {
 402        case HT_CHANNEL_WIDTH_20:
 403                rtl_set_bbreg(hw, RFPGA0_RFMOD, BRFMOD, 0x0);
 404                rtl_set_bbreg(hw, RFPGA1_RFMOD, BRFMOD, 0x0);
 405                rtl_set_bbreg(hw, RFPGA0_ANALOGPARAMETER2, BIT(10), 1);
 406                break;
 407        case HT_CHANNEL_WIDTH_20_40:
 408                rtl_set_bbreg(hw, RFPGA0_RFMOD, BRFMOD, 0x1);
 409                rtl_set_bbreg(hw, RFPGA1_RFMOD, BRFMOD, 0x1);
 410
 411                rtl_set_bbreg(hw, RCCK0_SYSTEM, BCCK_SIDEBAND,
 412                              (mac->cur_40_prime_sc >> 1));
 413                rtl_set_bbreg(hw, ROFDM1_LSTF, 0xC00, mac->cur_40_prime_sc);
 414                rtl_set_bbreg(hw, RFPGA0_ANALOGPARAMETER2, BIT(10), 0);
 415
 416                rtl_set_bbreg(hw, 0x818, (BIT(26) | BIT(27)),
 417                              (mac->cur_40_prime_sc ==
 418                               HAL_PRIME_CHNL_OFFSET_LOWER) ? 2 : 1);
 419                break;
 420        default:
 421                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 422                         "unknown bandwidth: %#X\n", rtlphy->current_chan_bw);
 423                break;
 424        }
 425        rtl92ce_phy_rf6052_set_bandwidth(hw, rtlphy->current_chan_bw);
 426        rtlphy->set_bwmode_inprogress = false;
 427        RT_TRACE(rtlpriv, COMP_SCAN, DBG_TRACE, "<==\n");
 428}
 429
 430void _rtl92ce_phy_lc_calibrate(struct ieee80211_hw *hw, bool is2t)
 431{
 432        u8 tmpreg;
 433        u32 rf_a_mode = 0, rf_b_mode = 0, lc_cal;
 434        struct rtl_priv *rtlpriv = rtl_priv(hw);
 435
 436        tmpreg = rtl_read_byte(rtlpriv, 0xd03);
 437
 438        if ((tmpreg & 0x70) != 0)
 439                rtl_write_byte(rtlpriv, 0xd03, tmpreg & 0x8F);
 440        else
 441                rtl_write_byte(rtlpriv, REG_TXPAUSE, 0xFF);
 442
 443        if ((tmpreg & 0x70) != 0) {
 444                rf_a_mode = rtl_get_rfreg(hw, RF90_PATH_A, 0x00, MASK12BITS);
 445
 446                if (is2t)
 447                        rf_b_mode = rtl_get_rfreg(hw, RF90_PATH_B, 0x00,
 448                                                  MASK12BITS);
 449
 450                rtl_set_rfreg(hw, RF90_PATH_A, 0x00, MASK12BITS,
 451                              (rf_a_mode & 0x8FFFF) | 0x10000);
 452
 453                if (is2t)
 454                        rtl_set_rfreg(hw, RF90_PATH_B, 0x00, MASK12BITS,
 455                                      (rf_b_mode & 0x8FFFF) | 0x10000);
 456        }
 457        lc_cal = rtl_get_rfreg(hw, RF90_PATH_A, 0x18, MASK12BITS);
 458
 459        rtl_set_rfreg(hw, RF90_PATH_A, 0x18, MASK12BITS, lc_cal | 0x08000);
 460
 461        mdelay(100);
 462
 463        if ((tmpreg & 0x70) != 0) {
 464                rtl_write_byte(rtlpriv, 0xd03, tmpreg);
 465                rtl_set_rfreg(hw, RF90_PATH_A, 0x00, MASK12BITS, rf_a_mode);
 466
 467                if (is2t)
 468                        rtl_set_rfreg(hw, RF90_PATH_B, 0x00, MASK12BITS,
 469                                      rf_b_mode);
 470        } else {
 471                rtl_write_byte(rtlpriv, REG_TXPAUSE, 0x00);
 472        }
 473}
 474
 475static void _rtl92ce_phy_set_rf_sleep(struct ieee80211_hw *hw)
 476{
 477        u32 u4b_tmp;
 478        u8 delay = 5;
 479        struct rtl_priv *rtlpriv = rtl_priv(hw);
 480
 481        rtl_write_byte(rtlpriv, REG_TXPAUSE, 0xFF);
 482        rtl_set_rfreg(hw, RF90_PATH_A, 0x00, RFREG_OFFSET_MASK, 0x00);
 483        rtl_write_byte(rtlpriv, REG_APSD_CTRL, 0x40);
 484        u4b_tmp = rtl_get_rfreg(hw, RF90_PATH_A, 0, RFREG_OFFSET_MASK);
 485        while (u4b_tmp != 0 && delay > 0) {
 486                rtl_write_byte(rtlpriv, REG_APSD_CTRL, 0x0);
 487                rtl_set_rfreg(hw, RF90_PATH_A, 0x00, RFREG_OFFSET_MASK, 0x00);
 488                rtl_write_byte(rtlpriv, REG_APSD_CTRL, 0x40);
 489                u4b_tmp = rtl_get_rfreg(hw, RF90_PATH_A, 0, RFREG_OFFSET_MASK);
 490                delay--;
 491        }
 492        if (delay == 0) {
 493                rtl_write_byte(rtlpriv, REG_APSD_CTRL, 0x00);
 494                rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, 0xE2);
 495                rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, 0xE3);
 496                rtl_write_byte(rtlpriv, REG_TXPAUSE, 0x00);
 497                RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
 498                         "Switch RF timeout !!!\n");
 499                return;
 500        }
 501        rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN, 0xE2);
 502        rtl_write_byte(rtlpriv, REG_SPS0_CTRL, 0x22);
 503}
 504
 505static bool _rtl92ce_phy_set_rf_power_state(struct ieee80211_hw *hw,
 506                                            enum rf_pwrstate rfpwr_state)
 507{
 508        struct rtl_priv *rtlpriv = rtl_priv(hw);
 509        struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
 510        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 511        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 512        bool bresult = true;
 513        u8 i, queue_id;
 514        struct rtl8192_tx_ring *ring = NULL;
 515
 516        switch (rfpwr_state) {
 517        case ERFON:{
 518                        if ((ppsc->rfpwr_state == ERFOFF) &&
 519                            RT_IN_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC)) {
 520                                bool rtstatus;
 521                                u32 InitializeCount = 0;
 522                                do {
 523                                        InitializeCount++;
 524                                        RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
 525                                                 "IPS Set eRf nic enable\n");
 526                                        rtstatus = rtl_ps_enable_nic(hw);
 527                                } while (!rtstatus && (InitializeCount < 10));
 528                                RT_CLEAR_PS_LEVEL(ppsc,
 529                                                  RT_RF_OFF_LEVL_HALT_NIC);
 530                        } else {
 531                                RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
 532                                         "Set ERFON sleeped:%d ms\n",
 533                                         jiffies_to_msecs(jiffies -
 534                                                          ppsc->
 535                                                          last_sleep_jiffies));
 536                                ppsc->last_awake_jiffies = jiffies;
 537                                rtl92ce_phy_set_rf_on(hw);
 538                        }
 539                        if (mac->link_state == MAC80211_LINKED) {
 540                                rtlpriv->cfg->ops->led_control(hw,
 541                                                               LED_CTL_LINK);
 542                        } else {
 543                                rtlpriv->cfg->ops->led_control(hw,
 544                                                               LED_CTL_NO_LINK);
 545                        }
 546                        break;
 547                }
 548        case ERFOFF:{
 549                        if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_HALT_NIC) {
 550                                RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
 551                                         "IPS Set eRf nic disable\n");
 552                                rtl_ps_disable_nic(hw);
 553                                RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC);
 554                        } else {
 555                                if (ppsc->rfoff_reason == RF_CHANGE_BY_IPS) {
 556                                        rtlpriv->cfg->ops->led_control(hw,
 557                                                               LED_CTL_NO_LINK);
 558                                } else {
 559                                        rtlpriv->cfg->ops->led_control(hw,
 560                                                             LED_CTL_POWER_OFF);
 561                                }
 562                        }
 563                        break;
 564                }
 565        case ERFSLEEP:{
 566                        if (ppsc->rfpwr_state == ERFOFF)
 567                                return false;
 568                        for (queue_id = 0, i = 0;
 569                             queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
 570                                ring = &pcipriv->dev.tx_ring[queue_id];
 571                                if (skb_queue_len(&ring->queue) == 0) {
 572                                        queue_id++;
 573                                        continue;
 574                                } else {
 575                                        RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 576                                                 "eRf Off/Sleep: %d times TcbBusyQueue[%d] =%d before doze!\n",
 577                                                 i + 1, queue_id,
 578                                                 skb_queue_len(&ring->queue));
 579
 580                                        udelay(10);
 581                                        i++;
 582                                }
 583                                if (i >= MAX_DOZE_WAITING_TIMES_9x) {
 584                                        RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 585                                                 "ERFSLEEP: %d times TcbBusyQueue[%d] = %d !\n",
 586                                                 MAX_DOZE_WAITING_TIMES_9x,
 587                                                 queue_id,
 588                                                 skb_queue_len(&ring->queue));
 589                                        break;
 590                                }
 591                        }
 592                        RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
 593                                 "Set ERFSLEEP awaked:%d ms\n",
 594                                 jiffies_to_msecs(jiffies -
 595                                                  ppsc->last_awake_jiffies));
 596                        ppsc->last_sleep_jiffies = jiffies;
 597                        _rtl92ce_phy_set_rf_sleep(hw);
 598                        break;
 599                }
 600        default:
 601                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 602                         "switch case not processed\n");
 603                bresult = false;
 604                break;
 605        }
 606        if (bresult)
 607                ppsc->rfpwr_state = rfpwr_state;
 608        return bresult;
 609}
 610
 611bool rtl92c_phy_set_rf_power_state(struct ieee80211_hw *hw,
 612                                   enum rf_pwrstate rfpwr_state)
 613{
 614        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 615
 616        bool bresult = false;
 617
 618        if (rfpwr_state == ppsc->rfpwr_state)
 619                return bresult;
 620        bresult = _rtl92ce_phy_set_rf_power_state(hw, rfpwr_state);
 621        return bresult;
 622}
 623