drivers/net/wireless/rtlwifi/efuse.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2009-2010  Realtek Corporation.
   4  *
   5  * Tmis 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  * Tmis 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  * tmis program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  * Tme 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 "efuse.h"
  32
  33 static const u8 MAX_PGPKT_SIZE = 9;
  34 static const u8 PGPKT_DATA_SIZE = 8;
  35 static const int EFUSE_MAX_SIZE = 512;
  36
  37 static const u8 EFUSE_OOB_PROTECT_BYTES = 15;
  38
  39 static const struct efuse_map RTL8712_SDIO_EFUSE_TABLE[] = {
  40         {0, 0, 0, 2},
  41         {0, 1, 0, 2},
  42         {0, 2, 0, 2},
  43         {1, 0, 0, 1},
  44         {1, 0, 1, 1},
  45         {1, 1, 0, 1},
  46         {1, 1, 1, 3},
  47         {1, 3, 0, 17},
  48         {3, 3, 1, 48},
  49         {10, 0, 0, 6},
  50         {10, 3, 0, 1},
  51         {10, 3, 1, 1},
  52         {11, 0, 0, 28}
  53 };
  54
  55 static void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset,
  56                                         u8 *pbuf);
  57 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw, u16 offset,
  58                                     u8 *value);
  59 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw, u16 offset,
  60                                     u16 *value);
  61 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw, u16 offset,
  62                                     u32 *value);
  63 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw, u16 offset,
  64                                      u8 value);
  65 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw, u16 offset,
  66                                      u16 value);
  67 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw, u16 offset,
  68                                      u32 value);
  69 static int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr,
  70                                         u8 *data);
  71 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr,
  72                                         u8 data);
  73 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse);
  74 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset,
  75                                         u8 *data);
  76 static int efuse_pg_packet_write(struct ieee80211_hw *hw, u8 offset,
  77                                  u8 word_en, u8 *data);
  78 static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
  79                                         u8 *targetdata);
  80 static u8 efuse_word_enable_data_write(struct ieee80211_hw *hw,
  81                                        u16 efuse_addr, u8 word_en, u8 *data);
  82 static void efuse_power_switch(struct ieee80211_hw *hw, u8 bwrite,
  83                                         u8 pwrstate);
  84 static u16 efuse_get_current_size(struct ieee80211_hw *hw);
  85 static u8 efuse_calculate_word_cnts(u8 word_en);
  86
  87 void efuse_initialize(struct ieee80211_hw *hw)
  88 {
  89         struct rtl_priv *rtlpriv = rtl_priv(hw);
  90         u8 bytetemp;
  91         u8 temp;
  92
  93         bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1);
  94         temp = bytetemp | 0x20;
  95         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1, temp);
  96
  97         bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1);
  98         temp = bytetemp & 0xFE;
  99         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1, temp);
 100
 101         bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3);
 102         temp = bytetemp | 0x80;
 103         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3, temp);
 104
 105         rtl_write_byte(rtlpriv, 0x2F8, 0x3);
 106
 107         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
 108
 109 }
 110
 111 u8 efuse_read_1byte(struct ieee80211_hw *hw, u16 address)
 112 {
 113         struct rtl_priv *rtlpriv = rtl_priv(hw);
 114         u8 data;
 115         u8 bytetemp;
 116         u8 temp;
 117         u32 k = 0;
 118
 119         if (address < EFUSE_REAL_CONTENT_LEN) {
 120                 temp = address & 0xFF;
 121                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 122                                temp);
 123                 bytetemp = rtl_read_byte(rtlpriv,
 124                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
 125                 temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
 126                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 127                                temp);
 128
 129                 bytetemp = rtl_read_byte(rtlpriv,
 130                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 131                 temp = bytetemp & 0x7F;
 132                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
 133                                temp);
 134
 135                 bytetemp = rtl_read_byte(rtlpriv,
 136                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 137                 while (!(bytetemp & 0x80)) {
 138                         bytetemp = rtl_read_byte(rtlpriv,
 139                                                  rtlpriv->cfg->
 140                                                  maps[EFUSE_CTRL] + 3);
 141                         k++;
 142                         if (k == 1000) {
 143                                 k = 0;
 144                                 break;
 145                         }
 146                 }
 147                 data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 148                 return data;
 149         } else
 150                 return 0xFF;
 151
 152 }
 153 EXPORT_SYMBOL(efuse_read_1byte);
 154
 155 void efuse_write_1byte(struct ieee80211_hw *hw, u16 address, u8 value)
 156 {
 157         struct rtl_priv *rtlpriv = rtl_priv(hw);
 158         u8 bytetemp;
 159         u8 temp;
 160         u32 k = 0;
 161
 162         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 163                  ("Addr=%x Data =%x\n", address, value));
 164
 165         if (address < EFUSE_REAL_CONTENT_LEN) {
 166                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], value);
 167
 168                 temp = address & 0xFF;
 169                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 170                                temp);
 171                 bytetemp = rtl_read_byte(rtlpriv,
 172                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
 173
 174                 temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
 175                 rtl_write_byte(rtlpriv,
 176                                rtlpriv->cfg->maps[EFUSE_CTRL] + 2, temp);
 177
 178                 bytetemp = rtl_read_byte(rtlpriv,
 179                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 180                 temp = bytetemp | 0x80;
 181                 rtl_write_byte(rtlpriv,
 182                                rtlpriv->cfg->maps[EFUSE_CTRL] + 3, temp);
 183
 184                 bytetemp = rtl_read_byte(rtlpriv,
 185                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 186
 187                 while (bytetemp & 0x80) {
 188                         bytetemp = rtl_read_byte(rtlpriv,
 189                                                  rtlpriv->cfg->
 190                                                  maps[EFUSE_CTRL] + 3);
 191                         k++;
 192                         if (k == 100) {
 193                                 k = 0;
 194                                 break;
 195                         }
 196                 }
 197         }
 198
 199 }
 200
 201 static void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset, u8 *pbuf)
 202 {
 203         struct rtl_priv *rtlpriv = rtl_priv(hw);
 204         u32 value32;
 205         u8 readbyte;
 206         u16 retry;
 207
 208         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 209                        (_offset & 0xff));
 210         readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
 211         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 212                        ((_offset >> 8) & 0x03) | (readbyte & 0xfc));
 213
 214         readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 215         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
 216                        (readbyte & 0x7f));
 217
 218         retry = 0;
 219         value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 220         while (!(((value32 >> 24) & 0xff) & 0x80) && (retry < 10000)) {
 221                 value32 = rtl_read_dword(rtlpriv,
 222                                          rtlpriv->cfg->maps[EFUSE_CTRL]);
 223                 retry++;
 224         }
 225
 226         udelay(50);
 227         value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 228
 229         *pbuf = (u8) (value32 & 0xff);
 230 }
 231
 232 void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
 233 {
 234         struct rtl_priv *rtlpriv = rtl_priv(hw);
 235         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 236         u8 efuse_tbl[EFUSE_MAP_LEN];
 237         u8 rtemp8[1];
 238         u16 efuse_addr = 0;
 239         u8 offset, wren;
 240         u16 i;
 241         u16 j;
 242         u16 efuse_word[EFUSE_MAX_SECTION][EFUSE_MAX_WORD_UNIT];
 243         u16 efuse_utilized = 0;
 244         u8 efuse_usage;
 245
 246         if ((_offset + _size_byte) > EFUSE_MAP_LEN) {
 247                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 248                          ("read_efuse(): Invalid offset(%#x) with read "
 249                           "bytes(%#x)!!\n", _offset, _size_byte));
 250                 return;
 251         }
 252
 253         for (i = 0; i < EFUSE_MAX_SECTION; i++)
 254                 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++)
 255                         efuse_word[i][j] = 0xFFFF;
 256
 257         read_efuse_byte(hw, efuse_addr, rtemp8);
 258         if (*rtemp8 != 0xFF) {
 259                 efuse_utilized++;
 260                 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 261                         ("Addr=%d\n", efuse_addr));
 262                 efuse_addr++;
 263         }
 264
 265         while ((*rtemp8 != 0xFF) && (efuse_addr < EFUSE_REAL_CONTENT_LEN)) {
 266                 offset = ((*rtemp8 >> 4) & 0x0f);
 267
 268                 if (offset < EFUSE_MAX_SECTION) {
 269                         wren = (*rtemp8 & 0x0f);
 270                         RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 271                                 ("offset-%d Worden=%x\n", offset, wren));
 272
 273                         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
 274                                 if (!(wren & 0x01)) {
 275                                         RTPRINT(rtlpriv, FEEPROM,
 276                                                 EFUSE_READ_ALL, ("Addr=%d\n",
 277                                                                  efuse_addr));
 278
 279                                         read_efuse_byte(hw, efuse_addr, rtemp8);
 280                                         efuse_addr++;
 281                                         efuse_utilized++;
 282                                         efuse_word[offset][i] = (*rtemp8 & 0xff);
 283
 284                                         if (efuse_addr >= EFUSE_REAL_CONTENT_LEN)
 285                                                 break;
 286
 287                                         RTPRINT(rtlpriv, FEEPROM,
 288                                                 EFUSE_READ_ALL, ("Addr=%d\n",
 289                                                                  efuse_addr));
 290
 291                                         read_efuse_byte(hw, efuse_addr, rtemp8);
 292                                         efuse_addr++;
 293                                         efuse_utilized++;
 294                                         efuse_word[offset][i] |=
 295                                             (((u16)*rtemp8 << 8) & 0xff00);
 296
 297                                         if (efuse_addr >= EFUSE_REAL_CONTENT_LEN)
 298                                                 break;
 299                                 }
 300
 301                                 wren >>= 1;
 302                         }
 303                 }
 304
 305                 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 306                         ("Addr=%d\n", efuse_addr));
 307                 read_efuse_byte(hw, efuse_addr, rtemp8);
 308                 if (*rtemp8 != 0xFF && (efuse_addr < 512)) {
 309                         efuse_utilized++;
 310                         efuse_addr++;
 311                 }
 312         }
 313
 314         for (i = 0; i < EFUSE_MAX_SECTION; i++) {
 315                 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++) {
 316                         efuse_tbl[(i * 8) + (j * 2)] =
 317                             (efuse_word[i][j] & 0xff);
 318                         efuse_tbl[(i * 8) + ((j * 2) + 1)] =
 319                             ((efuse_word[i][j] >> 8) & 0xff);
 320                 }
 321         }
 322
 323         for (i = 0; i < _size_byte; i++)
 324                 pbuf[i] = efuse_tbl[_offset + i];
 325
 326         rtlefuse->efuse_usedbytes = efuse_utilized;
 327         efuse_usage = (u8)((efuse_utilized * 100) / EFUSE_REAL_CONTENT_LEN);
 328         rtlefuse->efuse_usedpercentage = efuse_usage;
 329         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_BYTES,
 330                                       (u8 *)&efuse_utilized);
 331         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_USAGE,
 332                                       (u8 *)&efuse_usage);
 333 }
 334
 335 bool efuse_shadow_update_chk(struct ieee80211_hw *hw)
 336 {
 337         struct rtl_priv *rtlpriv = rtl_priv(hw);
 338         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 339         u8 section_idx, i, Base;
 340         u16 words_need = 0, hdr_num = 0, totalbytes, efuse_used;
 341         bool bwordchanged, bresult = true;
 342
 343         for (section_idx = 0; section_idx < 16; section_idx++) {
 344                 Base = section_idx * 8;
 345                 bwordchanged = false;
 346
 347                 for (i = 0; i < 8; i = i + 2) {
 348                         if ((rtlefuse->efuse_map[EFUSE_INIT_MAP][Base + i] !=
 349                              rtlefuse->efuse_map[EFUSE_MODIFY_MAP][Base + i]) ||
 350                             (rtlefuse->efuse_map[EFUSE_INIT_MAP][Base + i + 1] !=
 351                              rtlefuse->efuse_map[EFUSE_MODIFY_MAP][Base + i +
 352                                                                    1])) {
 353                                 words_need++;
 354                                 bwordchanged = true;
 355                         }
 356                 }
 357
 358                 if (bwordchanged == true)
 359                         hdr_num++;
 360         }
 361
 362         totalbytes = hdr_num + words_need * 2;
 363         efuse_used = rtlefuse->efuse_usedbytes;
 364
 365         if ((totalbytes + efuse_used) >=
 366             (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES))
 367                 bresult = false;
 368
 369         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 370                  ("efuse_shadow_update_chk(): totalbytes(%#x), "
 371                   "hdr_num(%#x), words_need(%#x), efuse_used(%d)\n",
 372                   totalbytes, hdr_num, words_need, efuse_used));
 373
 374         return bresult;
 375 }
 376
 377 void efuse_shadow_read(struct ieee80211_hw *hw, u8 type,
 378                        u16 offset, u32 *value)
 379 {
 380         if (type == 1)
 381                 efuse_shadow_read_1byte(hw, offset, (u8 *) value);
 382         else if (type == 2)
 383                 efuse_shadow_read_2byte(hw, offset, (u16 *) value);
 384         else if (type == 4)
 385                 efuse_shadow_read_4byte(hw, offset, (u32 *) value);
 386
 387 }
 388
 389 void efuse_shadow_write(struct ieee80211_hw *hw, u8 type, u16 offset,
 390                                 u32 value)
 391 {
 392         if (type == 1)
 393                 efuse_shadow_write_1byte(hw, offset, (u8) value);
 394         else if (type == 2)
 395                 efuse_shadow_write_2byte(hw, offset, (u16) value);
 396         else if (type == 4)
 397                 efuse_shadow_write_4byte(hw, offset, (u32) value);
 398
 399 }
 400
 401 bool efuse_shadow_update(struct ieee80211_hw *hw)
 402 {
 403         struct rtl_priv *rtlpriv = rtl_priv(hw);
 404         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 405         u16 i, offset, base;
 406         u8 word_en = 0x0F;
 407         u8 first_pg = false;
 408
 409         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, ("--->\n"));
 410
 411         if (!efuse_shadow_update_chk(hw)) {
 412                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 413                 memcpy((void *)&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 414                        (void *)&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 415                        rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 416
 417                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 418                          ("<---efuse out of capacity!!\n"));
 419                 return false;
 420         }
 421         efuse_power_switch(hw, true, true);
 422
 423         for (offset = 0; offset < 16; offset++) {
 424
 425                 word_en = 0x0F;
 426                 base = offset * 8;
 427
 428                 for (i = 0; i < 8; i++) {
 429                         if (first_pg == true) {
 430
 431                                 word_en &= ~(BIT(i / 2));
 432
 433                                 rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 434                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 435                         } else {
 436
 437                                 if (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
 438                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) {
 439                                         word_en &= ~(BIT(i / 2));
 440
 441                                         rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 442                                             rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 443                                 }
 444                         }
 445                 }
 446
 447                 if (word_en != 0x0F) {
 448                         u8 tmpdata[8];
 449                         memcpy((void *)tmpdata,
 450                                (void *)(&rtlefuse->
 451                                         efuse_map[EFUSE_MODIFY_MAP][base]), 8);
 452                         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD,
 453                                       ("U-efuse\n"), tmpdata, 8);
 454
 455                         if (!efuse_pg_packet_write(hw, (u8) offset, word_en,
 456                                                    tmpdata)) {
 457                                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 458                                          ("PG section(%#x) fail!!\n", offset));
 459                                 break;
 460                         }
 461                 }
 462
 463         }
 464
 465         efuse_power_switch(hw, true, false);
 466         efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 467
 468         memcpy((void *)&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 469                (void *)&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 470                rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 471
 472         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, ("<---\n"));
 473         return true;
 474 }
 475
 476 void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw)
 477 {
 478         struct rtl_priv *rtlpriv = rtl_priv(hw);
 479         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 480
 481         if (rtlefuse->autoload_failflag == true) {
 482                 memset((void *)(&rtlefuse->efuse_map[EFUSE_INIT_MAP][0]), 128,
 483                        0xFF);
 484         } else
 485                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 486
 487         memcpy((void *)&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 488                (void *)&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 489                rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 490
 491 }
 492 EXPORT_SYMBOL(rtl_efuse_shadow_map_update);
 493
 494 void efuse_force_write_vendor_Id(struct ieee80211_hw *hw)
 495 {
 496         u8 tmpdata[8] = { 0xFF, 0xFF, 0xEC, 0x10, 0xFF, 0xFF, 0xFF, 0xFF };
 497
 498         efuse_power_switch(hw, true, true);
 499
 500         efuse_pg_packet_write(hw, 1, 0xD, tmpdata);
 501
 502         efuse_power_switch(hw, true, false);
 503
 504 }
 505
 506 void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx)
 507 {
 508 }
 509
 510 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw,
 511                                     u16 offset, u8 *value)
 512 {
 513         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 514         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 515 }
 516
 517 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw,
 518                                     u16 offset, u16 *value)
 519 {
 520         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 521
 522         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 523         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 524
 525 }
 526
 527 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw,
 528                                     u16 offset, u32 *value)
 529 {
 530         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 531
 532         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 533         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 534         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] << 16;
 535         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] << 24;
 536 }
 537
 538 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw,
 539                                      u16 offset, u8 value)
 540 {
 541         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 542
 543         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value;
 544 }
 545
 546 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw,
 547                                      u16 offset, u16 value)
 548 {
 549         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 550
 551         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value & 0x00FF;
 552         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] = value >> 8;
 553
 554 }
 555
 556 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw,
 557                                      u16 offset, u32 value)
 558 {
 559         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 560
 561         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] =
 562             (u8) (value & 0x000000FF);
 563         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] =
 564             (u8) ((value >> 8) & 0x0000FF);
 565         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] =
 566             (u8) ((value >> 16) & 0x00FF);
 567         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] =
 568             (u8) ((value >> 24) & 0xFF);
 569
 570 }
 571
 572 static int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, u8 *data)
 573 {
 574         struct rtl_priv *rtlpriv = rtl_priv(hw);
 575         u8 tmpidx = 0;
 576         int bresult;
 577
 578         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 579                        (u8) (addr & 0xff));
 580         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 581                        ((u8) ((addr >> 8) & 0x03)) |
 582                        (rtl_read_byte(rtlpriv,
 583                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 2) &
 584                         0xFC));
 585
 586         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
 587
 588         while (!(0x80 & rtl_read_byte(rtlpriv,
 589                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
 590                && (tmpidx < 100)) {
 591                 tmpidx++;
 592         }
 593
 594         if (tmpidx < 100) {
 595                 *data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 596                 bresult = true;
 597         } else {
 598                 *data = 0xff;
 599                 bresult = false;
 600         }
 601         return bresult;
 602 }
 603
 604 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data)
 605 {
 606         struct rtl_priv *rtlpriv = rtl_priv(hw);
 607         u8 tmpidx = 0;
 608         bool bresult;
 609
 610         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 611                  ("Addr = %x Data=%x\n", addr, data));
 612
 613         rtl_write_byte(rtlpriv,
 614                        rtlpriv->cfg->maps[EFUSE_CTRL] + 1, (u8) (addr & 0xff));
 615         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 616                        (rtl_read_byte(rtlpriv,
 617                          rtlpriv->cfg->maps[EFUSE_CTRL] +
 618                          2) & 0xFC) | (u8) ((addr >> 8) & 0x03));
 619
 620         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], data);
 621         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0xF2);
 622
 623         while ((0x80 & rtl_read_byte(rtlpriv,
 624                                      rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
 625                && (tmpidx < 100)) {
 626                 tmpidx++;
 627         }
 628
 629         if (tmpidx < 100)
 630                 bresult = true;
 631         else
 632                 bresult = false;
 633
 634         return bresult;
 635 }
 636
 637 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 * efuse)
 638 {
 639         efuse_power_switch(hw, false, true);
 640         read_efuse(hw, 0, 128, efuse);
 641         efuse_power_switch(hw, false, false);
 642 }
 643
 644 static void efuse_read_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 645                                 u8 efuse_data, u8 offset, u8 *tmpdata,
 646                                 u8 *readstate)
 647 {
 648         bool bdataempty = true;
 649         u8 hoffset;
 650         u8 tmpidx;
 651         u8 hworden;
 652         u8 word_cnts;
 653
 654         hoffset = (efuse_data >> 4) & 0x0F;
 655         hworden = efuse_data & 0x0F;
 656         word_cnts = efuse_calculate_word_cnts(hworden);
 657
 658         if (hoffset == offset) {
 659                 for (tmpidx = 0; tmpidx < word_cnts * 2; tmpidx++) {
 660                         if (efuse_one_byte_read(hw, *efuse_addr + 1 + tmpidx,
 661                             &efuse_data)) {
 662                                 tmpdata[tmpidx] = efuse_data;
 663                                 if (efuse_data != 0xff)
 664                                         bdataempty = true;
 665                         }
 666                 }
 667
 668                 if (bdataempty == true)
 669                         *readstate = PG_STATE_DATA;
 670                 else {
 671                         *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 672                         *readstate = PG_STATE_HEADER;
 673                 }
 674
 675         } else {
 676                 *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 677                 *readstate = PG_STATE_HEADER;
 678         }
 679 }
 680
 681 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data)
 682 {
 683         u8 readstate = PG_STATE_HEADER;
 684
 685         bool bcontinual = true;
 686
 687         u8 efuse_data, word_cnts = 0;
 688         u16 efuse_addr = 0;
 689         u8 hworden;
 690         u8 tmpdata[8];
 691
 692         if (data == NULL)
 693                 return false;
 694         if (offset > 15)
 695                 return false;
 696
 697         memset((void *)data, PGPKT_DATA_SIZE * sizeof(u8), 0xff);
 698         memset((void *)tmpdata, PGPKT_DATA_SIZE * sizeof(u8), 0xff);
 699
 700         while (bcontinual && (efuse_addr < EFUSE_MAX_SIZE)) {
 701                 if (readstate & PG_STATE_HEADER) {
 702                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data)
 703                             && (efuse_data != 0xFF))
 704                                 efuse_read_data_case1(hw, &efuse_addr,
 705                                                       efuse_data,
 706                                                       offset, tmpdata,
 707                                                       &readstate);
 708                         else
 709                                 bcontinual = false;
 710                 } else if (readstate & PG_STATE_DATA) {
 711                         efuse_word_enable_data_read(hworden, tmpdata, data);
 712                         efuse_addr = efuse_addr + (word_cnts * 2) + 1;
 713                         readstate = PG_STATE_HEADER;
 714                 }
 715
 716         }
 717
 718         if ((data[0] == 0xff) && (data[1] == 0xff) &&
 719             (data[2] == 0xff) && (data[3] == 0xff) &&
 720             (data[4] == 0xff) && (data[5] == 0xff) &&
 721             (data[6] == 0xff) && (data[7] == 0xff))
 722                 return false;
 723         else
 724                 return true;
 725
 726 }
 727
 728 static void efuse_write_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 729                         u8 efuse_data, u8 offset, int *bcontinual,
 730                         u8 *write_state, struct pgpkt_struct *target_pkt,
 731                         int *repeat_times, int *bresult, u8 word_en)
 732 {
 733         struct rtl_priv *rtlpriv = rtl_priv(hw);
 734         struct pgpkt_struct tmp_pkt;
 735         int bdataempty = true;
 736         u8 originaldata[8 * sizeof(u8)];
 737         u8 badworden = 0x0F;
 738         u8 match_word_en, tmp_word_en;
 739         u8 tmpindex;
 740         u8 tmp_header = efuse_data;
 741         u8 tmp_word_cnts;
 742
 743         tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 744         tmp_pkt.word_en = tmp_header & 0x0F;
 745         tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 746
 747         if (tmp_pkt.offset != target_pkt->offset) {
 748                 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 749                 *write_state = PG_STATE_HEADER;
 750         } else {
 751                 for (tmpindex = 0; tmpindex < (tmp_word_cnts * 2); tmpindex++) {
 752                         u16 address = *efuse_addr + 1 + tmpindex;
 753                         if (efuse_one_byte_read(hw, address,
 754                              &efuse_data) && (efuse_data != 0xFF))
 755                                 bdataempty = false;
 756                 }
 757
 758                 if (bdataempty == false) {
 759                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 760                         *write_state = PG_STATE_HEADER;
 761                 } else {
 762                         match_word_en = 0x0F;
 763                         if (!((target_pkt->word_en & BIT(0)) |
 764                              (tmp_pkt.word_en & BIT(0))))
 765                                 match_word_en &= (~BIT(0));
 766
 767                         if (!((target_pkt->word_en & BIT(1)) |
 768                              (tmp_pkt.word_en & BIT(1))))
 769                                 match_word_en &= (~BIT(1));
 770
 771                         if (!((target_pkt->word_en & BIT(2)) |
 772                              (tmp_pkt.word_en & BIT(2))))
 773                                 match_word_en &= (~BIT(2));
 774
 775                         if (!((target_pkt->word_en & BIT(3)) |
 776                              (tmp_pkt.word_en & BIT(3))))
 777                                 match_word_en &= (~BIT(3));
 778
 779                         if ((match_word_en & 0x0F) != 0x0F) {
 780                                 badworden = efuse_word_enable_data_write(
 781                                                             hw, *efuse_addr + 1,
 782                                                             tmp_pkt.word_en,
 783                                                             target_pkt->data);
 784
 785                                 if (0x0F != (badworden & 0x0F)) {
 786                                         u8 reorg_offset = offset;
 787                                         u8 reorg_worden = badworden;
 788                                         efuse_pg_packet_write(hw, reorg_offset,
 789                                                                reorg_worden,
 790                                                                originaldata);
 791                                 }
 792
 793                                 tmp_word_en = 0x0F;
 794                                 if ((target_pkt->word_en & BIT(0)) ^
 795                                     (match_word_en & BIT(0)))
 796                                         tmp_word_en &= (~BIT(0));
 797
 798                                 if ((target_pkt->word_en & BIT(1)) ^
 799                                     (match_word_en & BIT(1)))
 800                                         tmp_word_en &= (~BIT(1));
 801
 802                                 if ((target_pkt->word_en & BIT(2)) ^
 803                                         (match_word_en & BIT(2)))
 804                                         tmp_word_en &= (~BIT(2));
 805
 806                                 if ((target_pkt->word_en & BIT(3)) ^
 807                                     (match_word_en & BIT(3)))
 808                                         tmp_word_en &= (~BIT(3));
 809
 810                                 if ((tmp_word_en & 0x0F) != 0x0F) {
 811                                         *efuse_addr = efuse_get_current_size(hw);
 812                                         target_pkt->offset = offset;
 813                                         target_pkt->word_en = tmp_word_en;
 814                                 } else
 815                                         *bcontinual = false;
 816                                 *write_state = PG_STATE_HEADER;
 817                                 *repeat_times += 1;
 818                                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 819                                         *bcontinual = false;
 820                                         *bresult = false;
 821                                 }
 822                         } else {
 823                                 *efuse_addr += (2 * tmp_word_cnts) + 1;
 824                                 target_pkt->offset = offset;
 825                                 target_pkt->word_en = word_en;
 826                                 *write_state = PG_STATE_HEADER;
 827                         }
 828                 }
 829         }
 830         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, ("efuse PG_STATE_HEADER-1\n"));
 831 }
 832
 833 static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
 834                                    int *bcontinual, u8 *write_state,
 835                                    struct pgpkt_struct target_pkt,
 836                                    int *repeat_times, int *bresult)
 837 {
 838         struct rtl_priv *rtlpriv = rtl_priv(hw);
 839         struct pgpkt_struct tmp_pkt;
 840         u8 pg_header;
 841         u8 tmp_header;
 842         u8 originaldata[8 * sizeof(u8)];
 843         u8 tmp_word_cnts;
 844         u8 badworden = 0x0F;
 845
 846         pg_header = ((target_pkt.offset << 4) & 0xf0) | target_pkt.word_en;
 847         efuse_one_byte_write(hw, *efuse_addr, pg_header);
 848         efuse_one_byte_read(hw, *efuse_addr, &tmp_header);
 849
 850         if (tmp_header == pg_header)
 851                 *write_state = PG_STATE_DATA;
 852         else if (tmp_header == 0xFF) {
 853                 *write_state = PG_STATE_HEADER;
 854                 *repeat_times += 1;
 855                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 856                         *bcontinual = false;
 857                         *bresult = false;
 858                 }
 859         } else {
 860                 tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 861                 tmp_pkt.word_en = tmp_header & 0x0F;
 862
 863                 tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 864
 865                 memset((void *)originaldata, 8 * sizeof(u8), 0xff);
 866
 867                 if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) {
 868                         badworden = efuse_word_enable_data_write(hw,
 869                                     *efuse_addr + 1, tmp_pkt.word_en,
 870                                     originaldata);
 871
 872                         if (0x0F != (badworden & 0x0F)) {
 873                                 u8 reorg_offset = tmp_pkt.offset;
 874                                 u8 reorg_worden = badworden;
 875                                 efuse_pg_packet_write(hw, reorg_offset,
 876                                                       reorg_worden,
 877                                                       originaldata);
 878                                 *efuse_addr = efuse_get_current_size(hw);
 879                          } else
 880                                 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2)
 881                                               + 1;
 882                 } else
 883                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 884
 885                 *write_state = PG_STATE_HEADER;
 886                 *repeat_times += 1;
 887                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 888                         *bcontinual = false;
 889                         *bresult = false;
 890                 }
 891
 892                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 893                         ("efuse PG_STATE_HEADER-2\n"));
 894         }
 895 }
 896
 897 static int efuse_pg_packet_write(struct ieee80211_hw *hw,
 898                                  u8 offset, u8 word_en, u8 *data)
 899 {
 900         struct rtl_priv *rtlpriv = rtl_priv(hw);
 901         struct pgpkt_struct target_pkt;
 902         u8 write_state = PG_STATE_HEADER;
 903         int bcontinual = true, bdataempty = true, bresult = true;
 904         u16 efuse_addr = 0;
 905         u8 efuse_data;
 906         u8 target_word_cnts = 0;
 907         u8 badworden = 0x0F;
 908         static int repeat_times;
 909
 910         if (efuse_get_current_size(hw) >=
 911             (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES)) {
 912                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 913                         ("efuse_pg_packet_write error\n"));
 914                 return false;
 915         }
 916
 917         target_pkt.offset = offset;
 918         target_pkt.word_en = word_en;
 919
 920         memset((void *)target_pkt.data, 8 * sizeof(u8), 0xFF);
 921
 922         efuse_word_enable_data_read(word_en, data, target_pkt.data);
 923         target_word_cnts = efuse_calculate_word_cnts(target_pkt.word_en);
 924
 925         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, ("efuse Power ON\n"));
 926
 927         while (bcontinual && (efuse_addr <
 928                (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES))) {
 929
 930                 if (write_state == PG_STATE_HEADER) {
 931                         bdataempty = true;
 932                         badworden = 0x0F;
 933                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 934                                 ("efuse PG_STATE_HEADER\n"));
 935
 936                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
 937                             (efuse_data != 0xFF))
 938                                 efuse_write_data_case1(hw, &efuse_addr,
 939                                                        efuse_data, offset,
 940                                                        &bcontinual,
 941                                                        &write_state, &target_pkt,
 942                                                        &repeat_times, &bresult,
 943                                                        word_en);
 944                         else
 945                                 efuse_write_data_case2(hw, &efuse_addr,
 946                                                        &bcontinual,
 947                                                        &write_state,
 948                                                        target_pkt,
 949                                                        &repeat_times,
 950                                                        &bresult);
 951
 952                 } else if (write_state == PG_STATE_DATA) {
 953                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 954                                 ("efuse PG_STATE_DATA\n"));
 955                         badworden = 0x0f;
 956                         badworden =
 957                             efuse_word_enable_data_write(hw, efuse_addr + 1,
 958                                                          target_pkt.word_en,
 959                                                          target_pkt.data);
 960
 961                         if ((badworden & 0x0F) == 0x0F) {
 962                                 bcontinual = false;
 963                         } else {
 964                                 efuse_addr =
 965                                     efuse_addr + (2 * target_word_cnts) + 1;
 966
 967                                 target_pkt.offset = offset;
 968                                 target_pkt.word_en = badworden;
 969                                 target_word_cnts =
 970                                     efuse_calculate_word_cnts(target_pkt.
 971                                                               word_en);
 972                                 write_state = PG_STATE_HEADER;
 973                                 repeat_times++;
 974                                 if (repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 975                                         bcontinual = false;
 976                                         bresult = false;
 977                                 }
 978                                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 979                                         ("efuse PG_STATE_HEADER-3\n"));
 980                         }
 981                 }
 982         }
 983
 984         if (efuse_addr >= (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES)) {
 985                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 986                          ("efuse_addr(%#x) Out of size!!\n", efuse_addr));
 987         }
 988
 989         return true;
 990 }
 991
 992 static void efuse_word_enable_data_read(u8 word_en,
 993                                         u8 *sourdata, u8 *targetdata)
 994 {
 995         if (!(word_en & BIT(0))) {
 996                 targetdata[0] = sourdata[0];
 997                 targetdata[1] = sourdata[1];
 998         }
 999
1000         if (!(word_en & BIT(1))) {
1001                 targetdata[2] = sourdata[2];
1002                 targetdata[3] = sourdata[3];
1003         }
1004
1005         if (!(word_en & BIT(2))) {
1006                 targetdata[4] = sourdata[4];
1007                 targetdata[5] = sourdata[5];
1008         }
1009
1010         if (!(word_en & BIT(3))) {
1011                 targetdata[6] = sourdata[6];
1012                 targetdata[7] = sourdata[7];
1013         }
1014 }
1015
1016 static u8 efuse_word_enable_data_write(struct ieee80211_hw *hw,
1017                                        u16 efuse_addr, u8 word_en, u8 *data)
1018 {
1019         struct rtl_priv *rtlpriv = rtl_priv(hw);
1020         u16 tmpaddr;
1021         u16 start_addr = efuse_addr;
1022         u8 badworden = 0x0F;
1023         u8 tmpdata[8];
1024
1025         memset((void *)tmpdata, PGPKT_DATA_SIZE, 0xff);
1026         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1027                  ("word_en = %x efuse_addr=%x\n", word_en, efuse_addr));
1028
1029         if (!(word_en & BIT(0))) {
1030                 tmpaddr = start_addr;
1031                 efuse_one_byte_write(hw, start_addr++, data[0]);
1032                 efuse_one_byte_write(hw, start_addr++, data[1]);
1033
1034                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[0]);
1035                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[1]);
1036                 if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1]))
1037                         badworden &= (~BIT(0));
1038         }
1039
1040         if (!(word_en & BIT(1))) {
1041                 tmpaddr = start_addr;
1042                 efuse_one_byte_write(hw, start_addr++, data[2]);
1043                 efuse_one_byte_write(hw, start_addr++, data[3]);
1044
1045                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[2]);
1046                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[3]);
1047                 if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3]))
1048                         badworden &= (~BIT(1));
1049         }
1050
1051         if (!(word_en & BIT(2))) {
1052                 tmpaddr = start_addr;
1053                 efuse_one_byte_write(hw, start_addr++, data[4]);
1054                 efuse_one_byte_write(hw, start_addr++, data[5]);
1055
1056                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[4]);
1057                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[5]);
1058                 if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5]))
1059                         badworden &= (~BIT(2));
1060         }
1061
1062         if (!(word_en & BIT(3))) {
1063                 tmpaddr = start_addr;
1064                 efuse_one_byte_write(hw, start_addr++, data[6]);
1065                 efuse_one_byte_write(hw, start_addr++, data[7]);
1066
1067                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[6]);
1068                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[7]);
1069                 if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7]))
1070                         badworden &= (~BIT(3));
1071         }
1072
1073         return badworden;
1074 }
1075
1076 static void efuse_power_switch(struct ieee80211_hw *hw, u8 bwrite, u8 pwrstate)
1077 {
1078         struct rtl_priv *rtlpriv = rtl_priv(hw);
1079         u8 tempval;
1080         u16 tmpV16;
1081
1082         if (pwrstate == true) {
1083                 tmpV16 = rtl_read_word(rtlpriv,
1084                                        rtlpriv->cfg->maps[SYS_ISO_CTRL]);
1085                 if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
1086                         tmpV16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V];
1087                         rtl_write_word(rtlpriv,
1088                                        rtlpriv->cfg->maps[SYS_ISO_CTRL],
1089                                        tmpV16);
1090                 }
1091
1092                 tmpV16 = rtl_read_word(rtlpriv,
1093                                        rtlpriv->cfg->maps[SYS_FUNC_EN]);
1094                 if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) {
1095                         tmpV16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR];
1096                         rtl_write_word(rtlpriv,
1097                                        rtlpriv->cfg->maps[SYS_FUNC_EN], tmpV16);
1098                 }
1099
1100                 tmpV16 = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_CLK]);
1101                 if ((!(tmpV16 & rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN])) ||
1102                     (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_ANA8M]))) {
1103                         tmpV16 |= (rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN] |
1104                                    rtlpriv->cfg->maps[EFUSE_ANA8M]);
1105                         rtl_write_word(rtlpriv,
1106                                        rtlpriv->cfg->maps[SYS_CLK], tmpV16);
1107                 }
1108         }
1109
1110         if (pwrstate == true) {
1111                 if (bwrite == true) {
1112                         tempval = rtl_read_byte(rtlpriv,
1113                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1114                                                 3);
1115                         tempval &= 0x0F;
1116                         tempval |= (VOLTAGE_V25 << 4);
1117                         rtl_write_byte(rtlpriv,
1118                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1119                                        (tempval | 0x80));
1120                 }
1121
1122         } else {
1123                 if (bwrite == true) {
1124                         tempval = rtl_read_byte(rtlpriv,
1125                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1126                                                 3);
1127                         rtl_write_byte(rtlpriv,
1128                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1129                                        (tempval & 0x7F));
1130                 }
1131
1132         }
1133
1134 }
1135
1136 static u16 efuse_get_current_size(struct ieee80211_hw *hw)
1137 {
1138         int bcontinual = true;
1139         u16 efuse_addr = 0;
1140         u8 hoffset, hworden;
1141         u8 efuse_data, word_cnts;
1142
1143         while (bcontinual && efuse_one_byte_read(hw, efuse_addr, &efuse_data)
1144                && (efuse_addr < EFUSE_MAX_SIZE)) {
1145                 if (efuse_data != 0xFF) {
1146                         hoffset = (efuse_data >> 4) & 0x0F;
1147                         hworden = efuse_data & 0x0F;
1148                         word_cnts = efuse_calculate_word_cnts(hworden);
1149                         efuse_addr = efuse_addr + (word_cnts * 2) + 1;
1150                 } else {
1151                         bcontinual = false;
1152                 }
1153         }
1154
1155         return efuse_addr;
1156 }
1157
1158 static u8 efuse_calculate_word_cnts(u8 word_en)
1159 {
1160         u8 word_cnts = 0;
1161         if (!(word_en & BIT(0)))
1162                 word_cnts++;
1163         if (!(word_en & BIT(1)))
1164                 word_cnts++;
1165         if (!(word_en & BIT(2)))
1166                 word_cnts++;
1167         if (!(word_en & BIT(3)))
1168                 word_cnts++;
1169         return word_cnts;
1170 }
1171
1172 void efuse_reset_loader(struct ieee80211_hw *hw)
1173 {
1174         struct rtl_priv *rtlpriv = rtl_priv(hw);
1175         u16 tmp_u2b;
1176
1177         tmp_u2b = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN]);
1178         rtl_write_word(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN],
1179                        (tmp_u2b & ~(BIT(12))));
1180         udelay(10000);
1181         rtl_write_word(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN],
1182                        (tmp_u2b | BIT(12)));
1183         udelay(10000);
1184 }
1185
1186 bool efuse_program_map(struct ieee80211_hw *hw, char *p_filename, u8 tabletype)
1187 {
1188         return true;
1189 }