drivers/staging/rtl8188eu/core/rtw_efuse.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   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  *
  19  ******************************************************************************/
  20 #define _RTW_EFUSE_C_
  21
  22 #include <osdep_service.h>
  23 #include <drv_types.h>
  24 #include <rtw_efuse.h>
  25
  26
  27
  28 /*------------------------Define local variable------------------------------*/
  29 u8 fakeEfuseBank;
  30 u32 fakeEfuseUsedBytes;
  31 u8 fakeEfuseContent[EFUSE_MAX_HW_SIZE] = {0};
  32 u8 fakeEfuseInitMap[EFUSE_MAX_MAP_LEN] = {0};
  33 u8 fakeEfuseModifiedMap[EFUSE_MAX_MAP_LEN] = {0};
  34
  35 u32 BTEfuseUsedBytes;
  36 u8 BTEfuseContent[EFUSE_MAX_BT_BANK][EFUSE_MAX_HW_SIZE];
  37 u8 BTEfuseInitMap[EFUSE_BT_MAX_MAP_LEN] = {0};
  38 u8 BTEfuseModifiedMap[EFUSE_BT_MAX_MAP_LEN] = {0};
  39
  40 u32 fakeBTEfuseUsedBytes;
  41 u8 fakeBTEfuseContent[EFUSE_MAX_BT_BANK][EFUSE_MAX_HW_SIZE];
  42 u8 fakeBTEfuseInitMap[EFUSE_BT_MAX_MAP_LEN] = {0};
  43 u8 fakeBTEfuseModifiedMap[EFUSE_BT_MAX_MAP_LEN] = {0};
  44 /*------------------------Define local variable------------------------------*/
  45
  46 /*  */
  47 #define REG_EFUSE_CTRL          0x0030
  48 #define EFUSE_CTRL                      REG_EFUSE_CTRL          /*  E-Fuse Control. */
  49 /*  */
  50
  51 bool
  52 Efuse_Read1ByteFromFakeContent(
  53                         struct adapter *pAdapter,
  54                         u16 Offset,
  55                 u8 *Value);
  56 bool
  57 Efuse_Read1ByteFromFakeContent(
  58                         struct adapter *pAdapter,
  59                         u16 Offset,
  60                 u8 *Value)
  61 {
  62         if (Offset >= EFUSE_MAX_HW_SIZE)
  63                 return false;
  64         if (fakeEfuseBank == 0)
  65                 *Value = fakeEfuseContent[Offset];
  66         else
  67                 *Value = fakeBTEfuseContent[fakeEfuseBank-1][Offset];
  68         return true;
  69 }
  70
  71 static bool
  72 Efuse_Write1ByteToFakeContent(
  73                         struct adapter *pAdapter,
  74                         u16 Offset,
  75                         u8 Value)
  76 {
  77         if (Offset >= EFUSE_MAX_HW_SIZE)
  78                 return false;
  79         if (fakeEfuseBank == 0)
  80                 fakeEfuseContent[Offset] = Value;
  81         else
  82                 fakeBTEfuseContent[fakeEfuseBank-1][Offset] = Value;
  83         return true;
  84 }
  85
  86 /*-----------------------------------------------------------------------------
  87  * Function:    Efuse_PowerSwitch
  88  *
  89  * Overview:    When we want to enable write operation, we should change to
  90  *                              pwr on state. When we stop write, we should switch to 500k mode
  91  *                              and disable LDO 2.5V.
  92  *
  93  * Input:       NONE
  94  *
  95  * Output:      NONE
  96  *
  97  * Return:      NONE
  98  *
  99  * Revised History:
 100  * When                 Who             Remark
 101  * 11/17/2008   MHC             Create Version 0.
 102  *
 103  *---------------------------------------------------------------------------*/
 104 void
 105 Efuse_PowerSwitch(
 106                 struct adapter *pAdapter,
 107                 u8 write,
 108                 u8 PwrState)
 109 {
 110         pAdapter->HalFunc.EfusePowerSwitch(pAdapter, write, PwrState);
 111 }
 112
 113 /*-----------------------------------------------------------------------------
 114  * Function:    efuse_GetCurrentSize
 115  *
 116  * Overview:    Get current efuse size!!!
 117  *
 118  * Input:       NONE
 119  *
 120  * Output:      NONE
 121  *
 122  * Return:      NONE
 123  *
 124  * Revised History:
 125  * When                 Who             Remark
 126  * 11/16/2008   MHC             Create Version 0.
 127  *
 128  *---------------------------------------------------------------------------*/
 129 u16
 130 Efuse_GetCurrentSize(
 131         struct adapter *pAdapter,
 132         u8 efuseType,
 133         bool pseudo)
 134 {
 135         u16 ret = 0;
 136
 137         ret = pAdapter->HalFunc.EfuseGetCurrentSize(pAdapter, efuseType, pseudo);
 138
 139         return ret;
 140 }
 141
 142 /*  11/16/2008 MH Add description. Get current efuse area enabled word!!. */
 143 u8
 144 Efuse_CalculateWordCnts(u8 word_en)
 145 {
 146         u8 word_cnts = 0;
 147         if (!(word_en & BIT(0)))
 148                 word_cnts++; /*  0 : write enable */
 149         if (!(word_en & BIT(1)))
 150                 word_cnts++;
 151         if (!(word_en & BIT(2)))
 152                 word_cnts++;
 153         if (!(word_en & BIT(3)))
 154                 word_cnts++;
 155         return word_cnts;
 156 }
 157
 158 /*
 159  * Description:
 160  * Execute E-Fuse read byte operation.
 161  * Referred from SD1 Richard.
 162  * Assumption:
 163  *              1. Boot from E-Fuse and successfully auto-load.
 164  *              2. PASSIVE_LEVEL (USB interface)
 165  * Created by Roger, 2008.10.21.
 166  */
 167 void
 168 ReadEFuseByte(
 169                 struct adapter *Adapter,
 170                 u16 _offset,
 171                 u8 *pbuf,
 172                 bool pseudo)
 173 {
 174         u32 value32;
 175         u8 readbyte;
 176         u16 retry;
 177
 178         if (pseudo) {
 179                 Efuse_Read1ByteFromFakeContent(Adapter, _offset, pbuf);
 180                 return;
 181         }
 182
 183         /* Write Address */
 184         rtw_write8(Adapter, EFUSE_CTRL+1, (_offset & 0xff));
 185         readbyte = rtw_read8(Adapter, EFUSE_CTRL+2);
 186         rtw_write8(Adapter, EFUSE_CTRL+2, ((_offset >> 8) & 0x03) | (readbyte & 0xfc));
 187
 188         /* Write bit 32 0 */
 189         readbyte = rtw_read8(Adapter, EFUSE_CTRL+3);
 190         rtw_write8(Adapter, EFUSE_CTRL+3, (readbyte & 0x7f));
 191
 192         /* Check bit 32 read-ready */
 193         retry = 0;
 194         value32 = rtw_read32(Adapter, EFUSE_CTRL);
 195         while (!(((value32 >> 24) & 0xff) & 0x80)  && (retry < 10000)) {
 196                 value32 = rtw_read32(Adapter, EFUSE_CTRL);
 197                 retry++;
 198         }
 199
 200         /*  20100205 Joseph: Add delay suggested by SD1 Victor. */
 201         /*  This fix the problem that Efuse read error in high temperature condition. */
 202         /*  Designer says that there shall be some delay after ready bit is set, or the */
 203         /*  result will always stay on last data we read. */
 204         udelay(50);
 205         value32 = rtw_read32(Adapter, EFUSE_CTRL);
 206
 207         *pbuf = (u8)(value32 & 0xff);
 208 }
 209
 210 /* Description:
 211  *      1. Execute E-Fuse read byte operation according as map offset and
 212  *      save to E-Fuse table.
 213  *      2. Referred from SD1 Richard.
 214  * Assumption:
 215  *      1. Boot from E-Fuse and successfully auto-load.
 216  *      2. PASSIVE_LEVEL (USB interface)
 217  *      Created by Roger, 2008.10.21.
 218  * 2008/12/12 MH
 219  *      1. Reorganize code flow and reserve bytes. and add description.
 220  *      2. Add efuse utilization collect.
 221  * 2008/12/22 MH
 222  *      Read Efuse must check if we write section 1 data again!!!
 223  *      Sec1 write addr must be after sec5.
 224  */
 225
 226 static void efuse_ReadEFuse(struct adapter *Adapter, u8 efuseType, u16 _offset, u16 _size_byte, u8 *pbuf, bool pseudo)
 227 {
 228         Adapter->HalFunc.ReadEFuse(Adapter, efuseType, _offset, _size_byte, pbuf, pseudo);
 229 }
 230
 231 void EFUSE_GetEfuseDefinition(struct adapter *pAdapter, u8 efuseType, u8 type, void *pOut, bool pseudo
 232         )
 233 {
 234         pAdapter->HalFunc.EFUSEGetEfuseDefinition(pAdapter, efuseType, type, pOut, pseudo);
 235 }
 236
 237 /*-----------------------------------------------------------------------------
 238  * Function:    EFUSE_Read1Byte
 239  *
 240  * Overview:    Copy from WMAC fot EFUSE read 1 byte.
 241  *
 242  * Input:       NONE
 243  *
 244  * Output:      NONE
 245  *
 246  * Return:      NONE
 247  *
 248  * Revised History:
 249  * When                 Who             Remark
 250  * 09/23/2008   MHC             Copy from WMAC.
 251  *
 252  *---------------------------------------------------------------------------*/
 253 u8 EFUSE_Read1Byte(struct adapter *Adapter, u16 Address)
 254 {
 255         u8 data;
 256         u8 Bytetemp = {0x00};
 257         u8 temp = {0x00};
 258         u32 k = 0;
 259         u16 contentLen = 0;
 260
 261         EFUSE_GetEfuseDefinition(Adapter, EFUSE_WIFI , TYPE_EFUSE_REAL_CONTENT_LEN, (void *)&contentLen, false);
 262
 263         if (Address < contentLen) {     /* E-fuse 512Byte */
 264                 /* Write E-fuse Register address bit0~7 */
 265                 temp = Address & 0xFF;
 266                 rtw_write8(Adapter, EFUSE_CTRL+1, temp);
 267                 Bytetemp = rtw_read8(Adapter, EFUSE_CTRL+2);
 268                 /* Write E-fuse Register address bit8~9 */
 269                 temp = ((Address >> 8) & 0x03) | (Bytetemp & 0xFC);
 270                 rtw_write8(Adapter, EFUSE_CTRL+2, temp);
 271
 272                 /* Write 0x30[31]= 0 */
 273                 Bytetemp = rtw_read8(Adapter, EFUSE_CTRL+3);
 274                 temp = Bytetemp & 0x7F;
 275                 rtw_write8(Adapter, EFUSE_CTRL+3, temp);
 276
 277                 /* Wait Write-ready (0x30[31]= 1) */
 278                 Bytetemp = rtw_read8(Adapter, EFUSE_CTRL+3);
 279                 while (!(Bytetemp & 0x80)) {
 280                         Bytetemp = rtw_read8(Adapter, EFUSE_CTRL+3);
 281                         k++;
 282                         if (k == 1000) {
 283                                 k = 0;
 284                                 break;
 285                         }
 286                 }
 287                 data = rtw_read8(Adapter, EFUSE_CTRL);
 288                 return data;
 289         } else {
 290                 return 0xFF;
 291         }
 292
 293 } /* EFUSE_Read1Byte */
 294
 295 /*  11/16/2008 MH Read one byte from real Efuse. */
 296 u8 efuse_OneByteRead(struct adapter *pAdapter, u16 addr, u8 *data, bool pseudo)
 297 {
 298         u8 tmpidx = 0;
 299         u8 result;
 300
 301         if (pseudo) {
 302                 result = Efuse_Read1ByteFromFakeContent(pAdapter, addr, data);
 303                 return result;
 304         }
 305         /*  -----------------e-fuse reg ctrl --------------------------------- */
 306         /* address */
 307         rtw_write8(pAdapter, EFUSE_CTRL+1, (u8)(addr & 0xff));
 308         rtw_write8(pAdapter, EFUSE_CTRL+2, ((u8)((addr>>8) & 0x03)) |
 309                    (rtw_read8(pAdapter, EFUSE_CTRL+2) & 0xFC));
 310
 311         rtw_write8(pAdapter, EFUSE_CTRL+3,  0x72);/* read cmd */
 312
 313         while (!(0x80 & rtw_read8(pAdapter, EFUSE_CTRL+3)) && (tmpidx < 100))
 314                 tmpidx++;
 315         if (tmpidx < 100) {
 316                 *data = rtw_read8(pAdapter, EFUSE_CTRL);
 317                 result = true;
 318         } else {
 319                 *data = 0xff;
 320                 result = false;
 321         }
 322         return result;
 323 }
 324
 325 /*  11/16/2008 MH Write one byte to reald Efuse. */
 326 u8 efuse_OneByteWrite(struct adapter *pAdapter, u16 addr, u8 data, bool pseudo)
 327 {
 328         u8 tmpidx = 0;
 329         u8 result;
 330
 331         if (pseudo) {
 332                 result = Efuse_Write1ByteToFakeContent(pAdapter, addr, data);
 333                 return result;
 334         }
 335
 336         /*  -----------------e-fuse reg ctrl --------------------------------- */
 337         /* address */
 338         rtw_write8(pAdapter, EFUSE_CTRL+1, (u8)(addr&0xff));
 339         rtw_write8(pAdapter, EFUSE_CTRL+2,
 340                    (rtw_read8(pAdapter, EFUSE_CTRL+2) & 0xFC) |
 341                    (u8)((addr>>8) & 0x03));
 342         rtw_write8(pAdapter, EFUSE_CTRL, data);/* data */
 343
 344         rtw_write8(pAdapter, EFUSE_CTRL+3, 0xF2);/* write cmd */
 345
 346         while ((0x80 &  rtw_read8(pAdapter, EFUSE_CTRL+3)) && (tmpidx < 100))
 347                 tmpidx++;
 348
 349         if (tmpidx < 100)
 350                 result = true;
 351         else
 352                 result = false;
 353
 354         return result;
 355 }
 356
 357 int Efuse_PgPacketRead(struct adapter *pAdapter, u8 offset, u8 *data, bool pseudo)
 358 {
 359         int     ret = 0;
 360
 361         ret =  pAdapter->HalFunc.Efuse_PgPacketRead(pAdapter, offset, data, pseudo);
 362
 363         return ret;
 364 }
 365
 366 int Efuse_PgPacketWrite(struct adapter *pAdapter, u8 offset, u8 word_en, u8 *data, bool pseudo)
 367 {
 368         int ret;
 369
 370         ret =  pAdapter->HalFunc.Efuse_PgPacketWrite(pAdapter, offset, word_en, data, pseudo);
 371
 372         return ret;
 373 }
 374
 375
 376 static int Efuse_PgPacketWrite_BT(struct adapter *pAdapter, u8 offset, u8 word_en, u8 *data, bool pseudo)
 377 {
 378         int ret;
 379
 380         ret =  pAdapter->HalFunc.Efuse_PgPacketWrite_BT(pAdapter, offset, word_en, data, pseudo);
 381
 382         return ret;
 383 }
 384
 385 /*-----------------------------------------------------------------------------
 386  * Function:    efuse_WordEnableDataRead
 387  *
 388  * Overview:    Read allowed word in current efuse section data.
 389  *
 390  * Input:       NONE
 391  *
 392  * Output:      NONE
 393  *
 394  * Return:      NONE
 395  *
 396  * Revised History:
 397  * When                 Who             Remark
 398  * 11/16/2008   MHC             Create Version 0.
 399  * 11/21/2008   MHC             Fix Write bug when we only enable late word.
 400  *
 401  *---------------------------------------------------------------------------*/
 402 void efuse_WordEnableDataRead(u8 word_en, u8 *sourdata, u8 *targetdata)
 403 {
 404         if (!(word_en&BIT(0))) {
 405                 targetdata[0] = sourdata[0];
 406                 targetdata[1] = sourdata[1];
 407         }
 408         if (!(word_en&BIT(1))) {
 409                 targetdata[2] = sourdata[2];
 410                 targetdata[3] = sourdata[3];
 411         }
 412         if (!(word_en&BIT(2))) {
 413                 targetdata[4] = sourdata[4];
 414                 targetdata[5] = sourdata[5];
 415         }
 416         if (!(word_en&BIT(3))) {
 417                 targetdata[6] = sourdata[6];
 418                 targetdata[7] = sourdata[7];
 419         }
 420 }
 421
 422 u8 Efuse_WordEnableDataWrite(struct adapter *pAdapter, u16 efuse_addr, u8 word_en, u8 *data, bool pseudo)
 423 {
 424         u8 ret = 0;
 425
 426         ret =  pAdapter->HalFunc.Efuse_WordEnableDataWrite(pAdapter, efuse_addr, word_en, data, pseudo);
 427
 428         return ret;
 429 }
 430
 431 static u8 efuse_read8(struct adapter *padapter, u16 address, u8 *value)
 432 {
 433         return efuse_OneByteRead(padapter, address, value, false);
 434 }
 435
 436 static u8 efuse_write8(struct adapter *padapter, u16 address, u8 *value)
 437 {
 438         return efuse_OneByteWrite(padapter, address, *value, false);
 439 }
 440
 441 /*
 442  * read/wirte raw efuse data
 443  */
 444 u8 rtw_efuse_access(struct adapter *padapter, u8 write, u16 start_addr, u16 cnts, u8 *data)
 445 {
 446         int i = 0;
 447         u16 real_content_len = 0, max_available_size = 0;
 448         u8 res = _FAIL;
 449         u8 (*rw8)(struct adapter *, u16, u8*);
 450
 451         EFUSE_GetEfuseDefinition(padapter, EFUSE_WIFI, TYPE_EFUSE_REAL_CONTENT_LEN, (void *)&real_content_len, false);
 452         EFUSE_GetEfuseDefinition(padapter, EFUSE_WIFI, TYPE_AVAILABLE_EFUSE_BYTES_TOTAL, (void *)&max_available_size, false);
 453
 454         if (start_addr > real_content_len)
 455                 return _FAIL;
 456
 457         if (write) {
 458                 if ((start_addr + cnts) > max_available_size)
 459                         return _FAIL;
 460                 rw8 = &efuse_write8;
 461         } else {
 462                 rw8 = &efuse_read8;
 463         }
 464
 465         Efuse_PowerSwitch(padapter, write, true);
 466
 467         /*  e-fuse one byte read / write */
 468         for (i = 0; i < cnts; i++) {
 469                 if (start_addr >= real_content_len) {
 470                         res = _FAIL;
 471                         break;
 472                 }
 473
 474                 res = rw8(padapter, start_addr++, data++);
 475                 if (_FAIL == res)
 476                         break;
 477         }
 478
 479         Efuse_PowerSwitch(padapter, write, false);
 480
 481         return res;
 482 }
 483 /*  */
 484 u16 efuse_GetMaxSize(struct adapter *padapter)
 485 {
 486         u16 max_size;
 487         EFUSE_GetEfuseDefinition(padapter, EFUSE_WIFI , TYPE_AVAILABLE_EFUSE_BYTES_TOTAL, (void *)&max_size, false);
 488         return max_size;
 489 }
 490 /*  */
 491 u8 efuse_GetCurrentSize(struct adapter *padapter, u16 *size)
 492 {
 493         Efuse_PowerSwitch(padapter, false, true);
 494         *size = Efuse_GetCurrentSize(padapter, EFUSE_WIFI, false);
 495         Efuse_PowerSwitch(padapter, false, false);
 496
 497         return _SUCCESS;
 498 }
 499 /*  */
 500 u8 rtw_efuse_map_read(struct adapter *padapter, u16 addr, u16 cnts, u8 *data)
 501 {
 502         u16 mapLen = 0;
 503
 504         EFUSE_GetEfuseDefinition(padapter, EFUSE_WIFI, TYPE_EFUSE_MAP_LEN, (void *)&mapLen, false);
 505
 506         if ((addr + cnts) > mapLen)
 507                 return _FAIL;
 508
 509         Efuse_PowerSwitch(padapter, false, true);
 510
 511         efuse_ReadEFuse(padapter, EFUSE_WIFI, addr, cnts, data, false);
 512
 513         Efuse_PowerSwitch(padapter, false, false);
 514
 515         return _SUCCESS;
 516 }
 517
 518 u8 rtw_BT_efuse_map_read(struct adapter *padapter, u16 addr, u16 cnts, u8 *data)
 519 {
 520         u16 mapLen = 0;
 521
 522         EFUSE_GetEfuseDefinition(padapter, EFUSE_BT, TYPE_EFUSE_MAP_LEN, (void *)&mapLen, false);
 523
 524         if ((addr + cnts) > mapLen)
 525                 return _FAIL;
 526
 527         Efuse_PowerSwitch(padapter, false, true);
 528
 529         efuse_ReadEFuse(padapter, EFUSE_BT, addr, cnts, data, false);
 530
 531         Efuse_PowerSwitch(padapter, false, false);
 532
 533         return _SUCCESS;
 534 }
 535 /*  */
 536 u8 rtw_efuse_map_write(struct adapter *padapter, u16 addr, u16 cnts, u8 *data)
 537 {
 538         u8 offset, word_en;
 539         u8 *map;
 540         u8 newdata[PGPKT_DATA_SIZE + 1];
 541         s32     i, idx;
 542         u8 ret = _SUCCESS;
 543         u16 mapLen = 0;
 544
 545         EFUSE_GetEfuseDefinition(padapter, EFUSE_WIFI, TYPE_EFUSE_MAP_LEN, (void *)&mapLen, false);
 546
 547         if ((addr + cnts) > mapLen)
 548                 return _FAIL;
 549
 550         map = rtw_zmalloc(mapLen);
 551         if (map == NULL)
 552                 return _FAIL;
 553
 554         ret = rtw_efuse_map_read(padapter, 0, mapLen, map);
 555         if (ret == _FAIL)
 556                 goto exit;
 557
 558         Efuse_PowerSwitch(padapter, true, true);
 559
 560         offset = (addr >> 3);
 561         word_en = 0xF;
 562         _rtw_memset(newdata, 0xFF, PGPKT_DATA_SIZE + 1);
 563         i = addr & 0x7; /*  index of one package */
 564         idx = 0;        /*  data index */
 565
 566         if (i & 0x1) {
 567                 /*  odd start */
 568                 if (data[idx] != map[addr+idx]) {
 569                         word_en &= ~BIT(i >> 1);
 570                         newdata[i-1] = map[addr+idx-1];
 571                         newdata[i] = data[idx];
 572                 }
 573                 i++;
 574                 idx++;
 575         }
 576         do {
 577                 for (; i < PGPKT_DATA_SIZE; i += 2) {
 578                         if (cnts == idx)
 579                                 break;
 580                         if ((cnts - idx) == 1) {
 581                                 if (data[idx] != map[addr+idx]) {
 582                                         word_en &= ~BIT(i >> 1);
 583                                         newdata[i] = data[idx];
 584                                         newdata[i+1] = map[addr+idx+1];
 585                                 }
 586                                 idx++;
 587                                 break;
 588                         } else {
 589                                 if ((data[idx] != map[addr+idx]) ||
 590                                     (data[idx+1] != map[addr+idx+1])) {
 591                                         word_en &= ~BIT(i >> 1);
 592                                         newdata[i] = data[idx];
 593                                         newdata[i+1] = data[idx + 1];
 594                                 }
 595                                 idx += 2;
 596                         }
 597                         if (idx == cnts)
 598                                 break;
 599                 }
 600
 601                 if (word_en != 0xF) {
 602                         ret = Efuse_PgPacketWrite(padapter, offset, word_en, newdata, false);
 603                         DBG_88E("offset=%x\n", offset);
 604                         DBG_88E("word_en=%x\n", word_en);
 605
 606                         for (i = 0; i < PGPKT_DATA_SIZE; i++)
 607                                 DBG_88E("data=%x \t", newdata[i]);
 608                         if (ret == _FAIL)
 609                                 break;
 610                 }
 611
 612                 if (idx == cnts)
 613                         break;
 614
 615                 offset++;
 616                 i = 0;
 617                 word_en = 0xF;
 618                 _rtw_memset(newdata, 0xFF, PGPKT_DATA_SIZE);
 619         } while (1);
 620
 621         Efuse_PowerSwitch(padapter, true, false);
 622 exit:
 623         kfree(map);
 624         return ret;
 625 }
 626
 627 /*  */
 628 u8 rtw_BT_efuse_map_write(struct adapter *padapter, u16 addr, u16 cnts, u8 *data)
 629 {
 630         u8 offset, word_en;
 631         u8 *map;
 632         u8 newdata[PGPKT_DATA_SIZE + 1];
 633         s32     i, idx;
 634         u8 ret = _SUCCESS;
 635         u16 mapLen = 0;
 636
 637         EFUSE_GetEfuseDefinition(padapter, EFUSE_BT, TYPE_EFUSE_MAP_LEN, (void *)&mapLen, false);
 638
 639         if ((addr + cnts) > mapLen)
 640                 return _FAIL;
 641
 642         map = rtw_zmalloc(mapLen);
 643         if (map == NULL)
 644                 return _FAIL;
 645
 646         ret = rtw_BT_efuse_map_read(padapter, 0, mapLen, map);
 647         if (ret == _FAIL)
 648                 goto exit;
 649
 650         Efuse_PowerSwitch(padapter, true, true);
 651
 652         offset = (addr >> 3);
 653         word_en = 0xF;
 654         _rtw_memset(newdata, 0xFF, PGPKT_DATA_SIZE + 1);
 655         i = addr & 0x7; /*  index of one package */
 656         idx = 0;        /*  data index */
 657
 658         if (i & 0x1) {
 659                 /*  odd start */
 660                 if (data[idx] != map[addr+idx]) {
 661                         word_en &= ~BIT(i >> 1);
 662                         newdata[i-1] = map[addr+idx-1];
 663                         newdata[i] = data[idx];
 664                 }
 665                 i++;
 666                 idx++;
 667         }
 668         do {
 669                 for (; i < PGPKT_DATA_SIZE; i += 2) {
 670                         if (cnts == idx)
 671                                 break;
 672                         if ((cnts - idx) == 1) {
 673                                 if (data[idx] != map[addr+idx]) {
 674                                         word_en &= ~BIT(i >> 1);
 675                                         newdata[i] = data[idx];
 676                                         newdata[i+1] = map[addr+idx+1];
 677                                 }
 678                                 idx++;
 679                                 break;
 680                         } else {
 681                                 if ((data[idx] != map[addr+idx]) ||
 682                                     (data[idx+1] != map[addr+idx+1])) {
 683                                         word_en &= ~BIT(i >> 1);
 684                                         newdata[i] = data[idx];
 685                                         newdata[i+1] = data[idx + 1];
 686                                 }
 687                                 idx += 2;
 688                         }
 689                         if (idx == cnts)
 690                                 break;
 691                 }
 692
 693                 if (word_en != 0xF) {
 694                         DBG_88E("%s: offset=%#X\n", __func__, offset);
 695                         DBG_88E("%s: word_en=%#X\n", __func__, word_en);
 696                         DBG_88E("%s: data=", __func__);
 697                         for (i = 0; i < PGPKT_DATA_SIZE; i++)
 698                                 DBG_88E("0x%02X ", newdata[i]);
 699                         DBG_88E("\n");
 700
 701                         ret = Efuse_PgPacketWrite_BT(padapter, offset, word_en, newdata, false);
 702                         if (ret == _FAIL)
 703                                 break;
 704                 }
 705
 706                 if (idx == cnts)
 707                         break;
 708
 709                 offset++;
 710                 i = 0;
 711                 word_en = 0xF;
 712                 _rtw_memset(newdata, 0xFF, PGPKT_DATA_SIZE);
 713         } while (1);
 714
 715         Efuse_PowerSwitch(padapter, true, false);
 716
 717 exit:
 718
 719         kfree(map);
 720
 721         return ret;
 722 }
 723
 724 /*-----------------------------------------------------------------------------
 725  * Function:    efuse_ShadowRead1Byte
 726  *                      efuse_ShadowRead2Byte
 727  *                      efuse_ShadowRead4Byte
 728  *
 729  * Overview:    Read from efuse init map by one/two/four bytes !!!!!
 730  *
 731  * Input:       NONE
 732  *
 733  * Output:      NONE
 734  *
 735  * Return:      NONE
 736  *
 737  * Revised History:
 738  * When                 Who             Remark
 739  * 11/12/2008   MHC             Create Version 0.
 740  *
 741  *---------------------------------------------------------------------------*/
 742 static void
 743 efuse_ShadowRead1Byte(
 744                 struct adapter *pAdapter,
 745                 u16 Offset,
 746                 u8 *Value)
 747 {
 748         struct eeprom_priv *pEEPROM = GET_EEPROM_EFUSE_PRIV(pAdapter);
 749
 750         *Value = pEEPROM->efuse_eeprom_data[Offset];
 751
 752 }       /*  EFUSE_ShadowRead1Byte */
 753
 754 /* Read Two Bytes */
 755 static void
 756 efuse_ShadowRead2Byte(
 757                 struct adapter *pAdapter,
 758                 u16 Offset,
 759                 u16 *Value)
 760 {
 761         struct eeprom_priv *pEEPROM = GET_EEPROM_EFUSE_PRIV(pAdapter);
 762
 763         *Value = pEEPROM->efuse_eeprom_data[Offset];
 764         *Value |= pEEPROM->efuse_eeprom_data[Offset+1]<<8;
 765
 766 }       /*  EFUSE_ShadowRead2Byte */
 767
 768 /* Read Four Bytes */
 769 static void
 770 efuse_ShadowRead4Byte(
 771                 struct adapter *pAdapter,
 772                 u16 Offset,
 773                 u32 *Value)
 774 {
 775         struct eeprom_priv *pEEPROM = GET_EEPROM_EFUSE_PRIV(pAdapter);
 776
 777         *Value = pEEPROM->efuse_eeprom_data[Offset];
 778         *Value |= pEEPROM->efuse_eeprom_data[Offset+1]<<8;
 779         *Value |= pEEPROM->efuse_eeprom_data[Offset+2]<<16;
 780         *Value |= pEEPROM->efuse_eeprom_data[Offset+3]<<24;
 781
 782 }       /*  efuse_ShadowRead4Byte */
 783
 784 /*-----------------------------------------------------------------------------
 785  * Function:    Efuse_ReadAllMap
 786  *
 787  * Overview:    Read All Efuse content
 788  *
 789  * Input:       NONE
 790  *
 791  * Output:      NONE
 792  *
 793  * Return:      NONE
 794  *
 795  * Revised History:
 796  * When                 Who             Remark
 797  * 11/11/2008   MHC             Create Version 0.
 798  *
 799  *---------------------------------------------------------------------------*/
 800 static void Efuse_ReadAllMap(struct adapter *pAdapter, u8 efuseType, u8 *Efuse, bool pseudo)
 801 {
 802         u16 mapLen = 0;
 803
 804         Efuse_PowerSwitch(pAdapter, false, true);
 805
 806         EFUSE_GetEfuseDefinition(pAdapter, efuseType, TYPE_EFUSE_MAP_LEN, (void *)&mapLen, pseudo);
 807
 808         efuse_ReadEFuse(pAdapter, efuseType, 0, mapLen, Efuse, pseudo);
 809
 810         Efuse_PowerSwitch(pAdapter, false, false);
 811 }
 812
 813 /*-----------------------------------------------------------------------------
 814  * Function:    EFUSE_ShadowMapUpdate
 815  *
 816  * Overview:    Transfer current EFUSE content to shadow init and modify map.
 817  *
 818  * Input:       NONE
 819  *
 820  * Output:      NONE
 821  *
 822  * Return:      NONE
 823  *
 824  * Revised History:
 825  * When                 Who             Remark
 826  * 11/13/2008   MHC             Create Version 0.
 827  *
 828  *---------------------------------------------------------------------------*/
 829 void EFUSE_ShadowMapUpdate(
 830         struct adapter *pAdapter,
 831         u8 efuseType,
 832         bool pseudo)
 833 {
 834         struct eeprom_priv *pEEPROM = GET_EEPROM_EFUSE_PRIV(pAdapter);
 835         u16 mapLen = 0;
 836
 837         EFUSE_GetEfuseDefinition(pAdapter, efuseType, TYPE_EFUSE_MAP_LEN, (void *)&mapLen, pseudo);
 838
 839         if (pEEPROM->bautoload_fail_flag)
 840                 _rtw_memset(pEEPROM->efuse_eeprom_data, 0xFF, mapLen);
 841         else
 842                 Efuse_ReadAllMap(pAdapter, efuseType, pEEPROM->efuse_eeprom_data, pseudo);
 843 } /*  EFUSE_ShadowMapUpdate */
 844
 845 /*-----------------------------------------------------------------------------
 846  * Function:    EFUSE_ShadowRead
 847  *
 848  * Overview:    Read from efuse init map !!!!!
 849  *
 850  * Input:       NONE
 851  *
 852  * Output:      NONE
 853  *
 854  * Return:      NONE
 855  *
 856  * Revised History:
 857  * When                 Who             Remark
 858  * 11/12/2008   MHC             Create Version 0.
 859  *
 860  *---------------------------------------------------------------------------*/
 861 void EFUSE_ShadowRead(struct adapter *pAdapter, u8 Type, u16 Offset, u32 *Value)
 862 {
 863         if (Type == 1)
 864                 efuse_ShadowRead1Byte(pAdapter, Offset, (u8 *)Value);
 865         else if (Type == 2)
 866                 efuse_ShadowRead2Byte(pAdapter, Offset, (u16 *)Value);
 867         else if (Type == 4)
 868                 efuse_ShadowRead4Byte(pAdapter, Offset, (u32 *)Value);
 869
 870 }       /*  EFUSE_ShadowRead */