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  ******************************************************************************/
  15 #define _RTW_EFUSE_C_
  16
  17 #include <osdep_service.h>
  18 #include <drv_types.h>
  19 #include <rtw_efuse.h>
  20 #include <usb_ops_linux.h>
  21 #include <rtl8188e_hal.h>
  22 #include <rtw_iol.h>
  23
  24 #define REG_EFUSE_CTRL          0x0030
  25 #define EFUSE_CTRL                      REG_EFUSE_CTRL          /*  E-Fuse Control. */
  26
  27 enum{
  28                 VOLTAGE_V25                                             = 0x03,
  29                 LDOE25_SHIFT                                            = 28,
  30         };
  31
  32 /*
  33  * Function:    Efuse_PowerSwitch
  34  *
  35  * Overview:    When we want to enable write operation, we should change to
  36  *                              pwr on state. When we stop write, we should switch to 500k mode
  37  *                              and disable LDO 2.5V.
  38  */
  39
  40 void Efuse_PowerSwitch(
  41                 struct adapter *pAdapter,
  42                 u8 bWrite,
  43                 u8 PwrState)
  44 {
  45         u8 tempval;
  46         u16     tmpV16;
  47
  48         if (PwrState) {
  49                 usb_write8(pAdapter, REG_EFUSE_ACCESS, EFUSE_ACCESS_ON);
  50
  51                 /*  1.2V Power: From VDDON with Power Cut(0x0000h[15]), defualt valid */
  52                 tmpV16 = usb_read16(pAdapter, REG_SYS_ISO_CTRL);
  53                 if (!(tmpV16 & PWC_EV12V)) {
  54                         tmpV16 |= PWC_EV12V;
  55                          usb_write16(pAdapter, REG_SYS_ISO_CTRL, tmpV16);
  56                 }
  57                 /*  Reset: 0x0000h[28], default valid */
  58                 tmpV16 =  usb_read16(pAdapter, REG_SYS_FUNC_EN);
  59                 if (!(tmpV16 & FEN_ELDR)) {
  60                         tmpV16 |= FEN_ELDR;
  61                         usb_write16(pAdapter, REG_SYS_FUNC_EN, tmpV16);
  62                 }
  63
  64                 /*  Clock: Gated(0x0008h[5]) 8M(0x0008h[1]) clock from ANA, default valid */
  65                 tmpV16 = usb_read16(pAdapter, REG_SYS_CLKR);
  66                 if ((!(tmpV16 & LOADER_CLK_EN))  || (!(tmpV16 & ANA8M))) {
  67                         tmpV16 |= (LOADER_CLK_EN | ANA8M);
  68                         usb_write16(pAdapter, REG_SYS_CLKR, tmpV16);
  69                 }
  70
  71                 if (bWrite) {
  72                         /*  Enable LDO 2.5V before read/write action */
  73                         tempval = usb_read8(pAdapter, EFUSE_TEST+3);
  74                         tempval &= 0x0F;
  75                         tempval |= (VOLTAGE_V25 << 4);
  76                         usb_write8(pAdapter, EFUSE_TEST+3, (tempval | 0x80));
  77                 }
  78         } else {
  79                 usb_write8(pAdapter, REG_EFUSE_ACCESS, EFUSE_ACCESS_OFF);
  80
  81                 if (bWrite) {
  82                         /*  Disable LDO 2.5V after read/write action */
  83                         tempval = usb_read8(pAdapter, EFUSE_TEST+3);
  84                         usb_write8(pAdapter, EFUSE_TEST+3, (tempval & 0x7F));
  85                 }
  86         }
  87 }
  88
  89 static void
  90 efuse_phymap_to_logical(u8 *phymap, u16 _offset, u16 _size_byte, u8  *pbuf)
  91 {
  92         u8 *efuseTbl = NULL;
  93         u8 rtemp8;
  94         u16     eFuse_Addr = 0;
  95         u8 offset, wren;
  96         u16     i, j;
  97         u16     **eFuseWord = NULL;
  98         u16     efuse_utilized = 0;
  99         u8 u1temp = 0;
 100
 101         efuseTbl = kzalloc(EFUSE_MAP_LEN_88E, GFP_KERNEL);
 102         if (!efuseTbl)
 103                 return;
 104
 105         eFuseWord = (u16 **)rtw_malloc2d(EFUSE_MAX_SECTION_88E, EFUSE_MAX_WORD_UNIT, sizeof(u16));
 106         if (!eFuseWord) {
 107                 DBG_88E("%s: alloc eFuseWord fail!\n", __func__);
 108                 goto eFuseWord_failed;
 109         }
 110
 111         /*  0. Refresh efuse init map as all oxFF. */
 112         for (i = 0; i < EFUSE_MAX_SECTION_88E; i++)
 113                 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++)
 114                         eFuseWord[i][j] = 0xFFFF;
 115
 116         /*  */
 117         /*  1. Read the first byte to check if efuse is empty!!! */
 118         /*  */
 119         /*  */
 120         rtemp8 = *(phymap+eFuse_Addr);
 121         if (rtemp8 != 0xFF) {
 122                 efuse_utilized++;
 123                 eFuse_Addr++;
 124         } else {
 125                 DBG_88E("EFUSE is empty efuse_Addr-%d efuse_data =%x\n", eFuse_Addr, rtemp8);
 126                 goto exit;
 127         }
 128
 129         /*  */
 130         /*  2. Read real efuse content. Filter PG header and every section data. */
 131         /*  */
 132         while ((rtemp8 != 0xFF) && (eFuse_Addr < EFUSE_REAL_CONTENT_LEN_88E)) {
 133                 /*  Check PG header for section num. */
 134                 if ((rtemp8 & 0x1F) == 0x0F) {          /* extended header */
 135                         u1temp = (rtemp8 & 0xE0) >> 5;
 136                         rtemp8 = *(phymap+eFuse_Addr);
 137                         if ((rtemp8 & 0x0F) == 0x0F) {
 138                                 eFuse_Addr++;
 139                                 rtemp8 = *(phymap+eFuse_Addr);
 140
 141                                 if (rtemp8 != 0xFF && (eFuse_Addr < EFUSE_REAL_CONTENT_LEN_88E))
 142                                         eFuse_Addr++;
 143                                 continue;
 144                         } else {
 145                                 offset = ((rtemp8 & 0xF0) >> 1) | u1temp;
 146                                 wren = rtemp8 & 0x0F;
 147                                 eFuse_Addr++;
 148                         }
 149                 } else {
 150                         offset = (rtemp8 >> 4) & 0x0f;
 151                         wren = rtemp8 & 0x0f;
 152                 }
 153
 154                 if (offset < EFUSE_MAX_SECTION_88E) {
 155                         /*  Get word enable value from PG header */
 156                         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
 157                                 /*  Check word enable condition in the section */
 158                                 if (!(wren & 0x01)) {
 159                                         rtemp8 = *(phymap+eFuse_Addr);
 160                                         eFuse_Addr++;
 161                                         efuse_utilized++;
 162                                         eFuseWord[offset][i] = (rtemp8 & 0xff);
 163                                         if (eFuse_Addr >= EFUSE_REAL_CONTENT_LEN_88E)
 164                                                 break;
 165                                         rtemp8 = *(phymap+eFuse_Addr);
 166                                         eFuse_Addr++;
 167                                         efuse_utilized++;
 168                                         eFuseWord[offset][i] |= (((u16)rtemp8 << 8) & 0xff00);
 169
 170                                         if (eFuse_Addr >= EFUSE_REAL_CONTENT_LEN_88E)
 171                                                 break;
 172                                 }
 173                                 wren >>= 1;
 174                         }
 175                 }
 176                 /*  Read next PG header */
 177                 rtemp8 = *(phymap+eFuse_Addr);
 178
 179                 if (rtemp8 != 0xFF && (eFuse_Addr < EFUSE_REAL_CONTENT_LEN_88E)) {
 180                         efuse_utilized++;
 181                         eFuse_Addr++;
 182                 }
 183         }
 184
 185         /*  */
 186         /*  3. Collect 16 sections and 4 word unit into Efuse map. */
 187         /*  */
 188         for (i = 0; i < EFUSE_MAX_SECTION_88E; i++) {
 189                 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++) {
 190                         efuseTbl[(i*8)+(j*2)] = (eFuseWord[i][j] & 0xff);
 191                         efuseTbl[(i*8)+((j*2)+1)] = ((eFuseWord[i][j] >> 8) & 0xff);
 192                 }
 193         }
 194
 195         /*  */
 196         /*  4. Copy from Efuse map to output pointer memory!!! */
 197         /*  */
 198         for (i = 0; i < _size_byte; i++)
 199                 pbuf[i] = efuseTbl[_offset+i];
 200
 201         /*  */
 202         /*  5. Calculate Efuse utilization. */
 203         /*  */
 204
 205 exit:
 206         kfree(eFuseWord);
 207
 208 eFuseWord_failed:
 209         kfree(efuseTbl);
 210 }
 211
 212 static void efuse_read_phymap_from_txpktbuf(
 213         struct adapter  *adapter,
 214         int bcnhead,    /* beacon head, where FW store len(2-byte) and efuse physical map. */
 215         u8 *content,    /* buffer to store efuse physical map */
 216         u16 *size       /* for efuse content: the max byte to read. will update to byte read */
 217         )
 218 {
 219         u16 dbg_addr = 0;
 220         unsigned long start = 0;
 221         u8 reg_0x143 = 0;
 222         u32 lo32 = 0, hi32 = 0;
 223         u16 len = 0, count = 0;
 224         int i = 0;
 225         u16 limit = *size;
 226
 227         u8 *pos = content;
 228
 229         if (bcnhead < 0) /* if not valid */
 230                 bcnhead = usb_read8(adapter, REG_TDECTRL+1);
 231
 232         DBG_88E("%s bcnhead:%d\n", __func__, bcnhead);
 233
 234         usb_write8(adapter, REG_PKT_BUFF_ACCESS_CTRL, TXPKT_BUF_SELECT);
 235
 236         dbg_addr = bcnhead*128/8; /* 8-bytes addressing */
 237
 238         while (1) {
 239                 usb_write16(adapter, REG_PKTBUF_DBG_ADDR, dbg_addr+i);
 240
 241                 usb_write8(adapter, REG_TXPKTBUF_DBG, 0);
 242                 start = jiffies;
 243                 while (!(reg_0x143 = usb_read8(adapter, REG_TXPKTBUF_DBG)) &&
 244                        jiffies_to_msecs(jiffies - start) < 1000) {
 245                         DBG_88E("%s polling reg_0x143:0x%02x, reg_0x106:0x%02x\n", __func__, reg_0x143, usb_read8(adapter, 0x106));
 246                         usleep_range(1000, 2000);
 247                 }
 248
 249                 lo32 = usb_read32(adapter, REG_PKTBUF_DBG_DATA_L);
 250                 hi32 = usb_read32(adapter, REG_PKTBUF_DBG_DATA_H);
 251
 252                 if (i == 0) {
 253                         u8 lenc[2];
 254                         u16 lenbak, aaabak;
 255                         u16 aaa;
 256                         lenc[0] = usb_read8(adapter, REG_PKTBUF_DBG_DATA_L);
 257                         lenc[1] = usb_read8(adapter, REG_PKTBUF_DBG_DATA_L+1);
 258
 259                         aaabak = le16_to_cpup((__le16 *)lenc);
 260                         lenbak = le16_to_cpu(*((__le16 *)lenc));
 261                         aaa = le16_to_cpup((__le16 *)&lo32);
 262                         len = le16_to_cpu(*((__le16 *)&lo32));
 263
 264                         limit = min_t(u16, len-2, limit);
 265
 266                         DBG_88E("%s len:%u, lenbak:%u, aaa:%u, aaabak:%u\n", __func__, len, lenbak, aaa, aaabak);
 267
 268                         memcpy(pos, ((u8 *)&lo32)+2, (limit >= count+2) ? 2 : limit-count);
 269                         count += (limit >= count+2) ? 2 : limit-count;
 270                         pos = content+count;
 271
 272                 } else {
 273                         memcpy(pos, ((u8 *)&lo32), (limit >= count+4) ? 4 : limit-count);
 274                         count += (limit >= count+4) ? 4 : limit-count;
 275                         pos = content+count;
 276                 }
 277
 278                 if (limit > count && len-2 > count) {
 279                         memcpy(pos, (u8 *)&hi32, (limit >= count+4) ? 4 : limit-count);
 280                         count += (limit >= count+4) ? 4 : limit-count;
 281                         pos = content+count;
 282                 }
 283
 284                 if (limit <= count || len-2 <= count)
 285                         break;
 286                 i++;
 287         }
 288         usb_write8(adapter, REG_PKT_BUFF_ACCESS_CTRL, DISABLE_TRXPKT_BUF_ACCESS);
 289         DBG_88E("%s read count:%u\n", __func__, count);
 290         *size = count;
 291 }
 292
 293 static s32 iol_read_efuse(struct adapter *padapter, u8 txpktbuf_bndy, u16 offset, u16 size_byte, u8 *logical_map)
 294 {
 295         s32 status = _FAIL;
 296         u8 physical_map[512];
 297         u16 size = 512;
 298
 299         usb_write8(padapter, REG_TDECTRL+1, txpktbuf_bndy);
 300         memset(physical_map, 0xFF, 512);
 301         usb_write8(padapter, REG_PKT_BUFF_ACCESS_CTRL, TXPKT_BUF_SELECT);
 302         status = iol_execute(padapter, CMD_READ_EFUSE_MAP);
 303         if (status == _SUCCESS)
 304                 efuse_read_phymap_from_txpktbuf(padapter, txpktbuf_bndy, physical_map, &size);
 305         efuse_phymap_to_logical(physical_map, offset, size_byte, logical_map);
 306         return status;
 307 }
 308
 309 void efuse_ReadEFuse(struct adapter *Adapter, u8 efuseType, u16 _offset, u16 _size_byte, u8 *pbuf)
 310 {
 311
 312         if (rtw_IOL_applied(Adapter)) {
 313                 rtw_hal_power_on(Adapter);
 314                 iol_mode_enable(Adapter, 1);
 315                 iol_read_efuse(Adapter, 0, _offset, _size_byte, pbuf);
 316                 iol_mode_enable(Adapter, 0);
 317         }
 318 }
 319
 320 /* Do not support BT */
 321 void EFUSE_GetEfuseDefinition(struct adapter *pAdapter, u8 efuseType, u8 type, void *pOut)
 322 {
 323         switch (type) {
 324         case TYPE_EFUSE_MAX_SECTION:
 325                 {
 326                         u8 *pMax_section;
 327                         pMax_section = pOut;
 328                         *pMax_section = EFUSE_MAX_SECTION_88E;
 329                 }
 330                 break;
 331         case TYPE_EFUSE_REAL_CONTENT_LEN:
 332                 {
 333                         u16 *pu2Tmp;
 334                         pu2Tmp = pOut;
 335                         *pu2Tmp = EFUSE_REAL_CONTENT_LEN_88E;
 336                 }
 337                 break;
 338         case TYPE_EFUSE_CONTENT_LEN_BANK:
 339                 {
 340                         u16 *pu2Tmp;
 341                         pu2Tmp = pOut;
 342                         *pu2Tmp = EFUSE_REAL_CONTENT_LEN_88E;
 343                 }
 344                 break;
 345         case TYPE_AVAILABLE_EFUSE_BYTES_BANK:
 346                 {
 347                         u16 *pu2Tmp;
 348                         pu2Tmp = pOut;
 349                         *pu2Tmp = (u16)(EFUSE_REAL_CONTENT_LEN_88E-EFUSE_OOB_PROTECT_BYTES_88E);
 350                 }
 351                 break;
 352         case TYPE_AVAILABLE_EFUSE_BYTES_TOTAL:
 353                 {
 354                         u16 *pu2Tmp;
 355                         pu2Tmp = pOut;
 356                         *pu2Tmp = (u16)(EFUSE_REAL_CONTENT_LEN_88E-EFUSE_OOB_PROTECT_BYTES_88E);
 357                 }
 358                 break;
 359         case TYPE_EFUSE_MAP_LEN:
 360                 {
 361                         u16 *pu2Tmp;
 362                         pu2Tmp = pOut;
 363                         *pu2Tmp = (u16)EFUSE_MAP_LEN_88E;
 364                 }
 365                 break;
 366         case TYPE_EFUSE_PROTECT_BYTES_BANK:
 367                 {
 368                         u8 *pu1Tmp;
 369                         pu1Tmp = pOut;
 370                         *pu1Tmp = (u8)(EFUSE_OOB_PROTECT_BYTES_88E);
 371                 }
 372                 break;
 373         default:
 374                 {
 375                         u8 *pu1Tmp;
 376                         pu1Tmp = pOut;
 377                         *pu1Tmp = 0;
 378                 }
 379                 break;
 380         }
 381 }
 382
 383 u8 Efuse_WordEnableDataWrite(struct adapter *pAdapter, u16 efuse_addr, u8 word_en, u8 *data)
 384 {
 385         u16     tmpaddr = 0;
 386         u16     start_addr = efuse_addr;
 387         u8 badworden = 0x0F;
 388         u8 tmpdata[8];
 389
 390         memset(tmpdata, 0xff, PGPKT_DATA_SIZE);
 391
 392         if (!(word_en & BIT(0))) {
 393                 tmpaddr = start_addr;
 394                 efuse_OneByteWrite(pAdapter, start_addr++, data[0]);
 395                 efuse_OneByteWrite(pAdapter, start_addr++, data[1]);
 396
 397                 efuse_OneByteRead(pAdapter, tmpaddr, &tmpdata[0]);
 398                 efuse_OneByteRead(pAdapter, tmpaddr+1, &tmpdata[1]);
 399                 if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1]))
 400                         badworden &= (~BIT(0));
 401         }
 402         if (!(word_en & BIT(1))) {
 403                 tmpaddr = start_addr;
 404                 efuse_OneByteWrite(pAdapter, start_addr++, data[2]);
 405                 efuse_OneByteWrite(pAdapter, start_addr++, data[3]);
 406
 407                 efuse_OneByteRead(pAdapter, tmpaddr, &tmpdata[2]);
 408                 efuse_OneByteRead(pAdapter, tmpaddr+1, &tmpdata[3]);
 409                 if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3]))
 410                         badworden &= (~BIT(1));
 411         }
 412         if (!(word_en & BIT(2))) {
 413                 tmpaddr = start_addr;
 414                 efuse_OneByteWrite(pAdapter, start_addr++, data[4]);
 415                 efuse_OneByteWrite(pAdapter, start_addr++, data[5]);
 416
 417                 efuse_OneByteRead(pAdapter, tmpaddr, &tmpdata[4]);
 418                 efuse_OneByteRead(pAdapter, tmpaddr+1, &tmpdata[5]);
 419                 if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5]))
 420                         badworden &= (~BIT(2));
 421         }
 422         if (!(word_en & BIT(3))) {
 423                 tmpaddr = start_addr;
 424                 efuse_OneByteWrite(pAdapter, start_addr++, data[6]);
 425                 efuse_OneByteWrite(pAdapter, start_addr++, data[7]);
 426
 427                 efuse_OneByteRead(pAdapter, tmpaddr, &tmpdata[6]);
 428                 efuse_OneByteRead(pAdapter, tmpaddr+1, &tmpdata[7]);
 429                 if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7]))
 430                         badworden &= (~BIT(3));
 431         }
 432         return badworden;
 433 }
 434
 435 static u16 Efuse_GetCurrentSize(struct adapter *pAdapter)
 436 {
 437         int     bContinual = true;
 438         u16     efuse_addr = 0;
 439         u8 hoffset = 0, hworden = 0;
 440         u8 efuse_data, word_cnts = 0;
 441
 442         rtw_hal_get_hwreg(pAdapter, HW_VAR_EFUSE_BYTES, (u8 *)&efuse_addr);
 443
 444         while (bContinual &&
 445                efuse_OneByteRead(pAdapter, efuse_addr, &efuse_data) &&
 446                AVAILABLE_EFUSE_ADDR(efuse_addr)) {
 447                 if (efuse_data != 0xFF) {
 448                         if ((efuse_data&0x1F) == 0x0F) {                /* extended header */
 449                                 hoffset = efuse_data;
 450                                 efuse_addr++;
 451                                 efuse_OneByteRead(pAdapter, efuse_addr, &efuse_data);
 452                                 if ((efuse_data & 0x0F) == 0x0F) {
 453                                         efuse_addr++;
 454                                         continue;
 455                                 } else {
 456                                         hoffset = ((hoffset & 0xE0) >> 5) | ((efuse_data & 0xF0) >> 1);
 457                                         hworden = efuse_data & 0x0F;
 458                                 }
 459                         } else {
 460                                 hoffset = (efuse_data>>4) & 0x0F;
 461                                 hworden =  efuse_data & 0x0F;
 462                         }
 463                         word_cnts = Efuse_CalculateWordCnts(hworden);
 464                         /* read next header */
 465                         efuse_addr = efuse_addr + (word_cnts*2)+1;
 466                 } else {
 467                         bContinual = false;
 468                 }
 469         }
 470
 471         rtw_hal_set_hwreg(pAdapter, HW_VAR_EFUSE_BYTES, (u8 *)&efuse_addr);
 472
 473         return efuse_addr;
 474 }
 475
 476 int Efuse_PgPacketRead(struct adapter *pAdapter, u8 offset, u8 *data)
 477 {
 478         u8 ReadState = PG_STATE_HEADER;
 479         int     bContinual = true;
 480         int     bDataEmpty = true;
 481         u8 efuse_data, word_cnts = 0;
 482         u16     efuse_addr = 0;
 483         u8 hoffset = 0, hworden = 0;
 484         u8 tmpidx = 0;
 485         u8 tmpdata[8];
 486         u8 max_section = 0;
 487         u8 tmp_header = 0;
 488
 489         EFUSE_GetEfuseDefinition(pAdapter, EFUSE_WIFI, TYPE_EFUSE_MAX_SECTION, (void *)&max_section);
 490
 491         if (!data)
 492                 return false;
 493         if (offset > max_section)
 494                 return false;
 495
 496         memset(data, 0xff, sizeof(u8) * PGPKT_DATA_SIZE);
 497         memset(tmpdata, 0xff, sizeof(u8) * PGPKT_DATA_SIZE);
 498
 499         /*  <Roger_TODO> Efuse has been pre-programmed dummy 5Bytes at the end of Efuse by CP. */
 500         /*  Skip dummy parts to prevent unexpected data read from Efuse. */
 501         /*  By pass right now. 2009.02.19. */
 502         while (bContinual && AVAILABLE_EFUSE_ADDR(efuse_addr)) {
 503                 /*   Header Read ------------- */
 504                 if (ReadState & PG_STATE_HEADER) {
 505                         if (efuse_OneByteRead(pAdapter, efuse_addr, &efuse_data) && (efuse_data != 0xFF)) {
 506                                 if (EXT_HEADER(efuse_data)) {
 507                                         tmp_header = efuse_data;
 508                                         efuse_addr++;
 509                                         efuse_OneByteRead(pAdapter, efuse_addr, &efuse_data);
 510                                         if (!ALL_WORDS_DISABLED(efuse_data)) {
 511                                                 hoffset = ((tmp_header & 0xE0) >> 5) | ((efuse_data & 0xF0) >> 1);
 512                                                 hworden = efuse_data & 0x0F;
 513                                         } else {
 514                                                 DBG_88E("Error, All words disabled\n");
 515                                                 efuse_addr++;
 516                                                 continue;
 517                                         }
 518                                 } else {
 519                                         hoffset = (efuse_data>>4) & 0x0F;
 520                                         hworden =  efuse_data & 0x0F;
 521                                 }
 522                                 word_cnts = Efuse_CalculateWordCnts(hworden);
 523                                 bDataEmpty = true;
 524
 525                                 if (hoffset == offset) {
 526                                         for (tmpidx = 0; tmpidx < word_cnts*2; tmpidx++) {
 527                                                 if (efuse_OneByteRead(pAdapter, efuse_addr+1+tmpidx, &efuse_data)) {
 528                                                         tmpdata[tmpidx] = efuse_data;
 529                                                         if (efuse_data != 0xff)
 530                                                                 bDataEmpty = false;
 531                                                 }
 532                                         }
 533                                         if (bDataEmpty == false) {
 534                                                 ReadState = PG_STATE_DATA;
 535                                         } else {/* read next header */
 536                                                 efuse_addr = efuse_addr + (word_cnts*2)+1;
 537                                                 ReadState = PG_STATE_HEADER;
 538                                         }
 539                                 } else {/* read next header */
 540                                         efuse_addr = efuse_addr + (word_cnts*2)+1;
 541                                         ReadState = PG_STATE_HEADER;
 542                                 }
 543                         } else {
 544                                 bContinual = false;
 545                         }
 546                 } else if (ReadState & PG_STATE_DATA) {
 547                         /*   Data section Read ------------- */
 548                         efuse_WordEnableDataRead(hworden, tmpdata, data);
 549                         efuse_addr = efuse_addr + (word_cnts*2)+1;
 550                         ReadState = PG_STATE_HEADER;
 551                 }
 552
 553         }
 554
 555         if ((data[0] == 0xff) && (data[1] == 0xff) && (data[2] == 0xff)  && (data[3] == 0xff) &&
 556             (data[4] == 0xff) && (data[5] == 0xff) && (data[6] == 0xff)  && (data[7] == 0xff))
 557                 return false;
 558         else
 559                 return true;
 560 }
 561
 562 static bool hal_EfuseFixHeaderProcess(struct adapter *pAdapter, u8 efuseType, struct pgpkt *pFixPkt, u16 *pAddr)
 563 {
 564         u8 originaldata[8], badworden = 0;
 565         u16     efuse_addr = *pAddr;
 566         u32     PgWriteSuccess = 0;
 567
 568         memset(originaldata, 0xff, 8);
 569
 570         if (Efuse_PgPacketRead(pAdapter, pFixPkt->offset, originaldata)) {
 571                 /* check if data exist */
 572                 badworden = Efuse_WordEnableDataWrite(pAdapter, efuse_addr+1, pFixPkt->word_en, originaldata);
 573
 574                 if (badworden != 0xf) { /*  write fail */
 575                         PgWriteSuccess = Efuse_PgPacketWrite(pAdapter, pFixPkt->offset, badworden, originaldata);
 576
 577                         if (!PgWriteSuccess)
 578                                 return false;
 579                         else
 580                                 efuse_addr = Efuse_GetCurrentSize(pAdapter);
 581                 } else {
 582                         efuse_addr = efuse_addr + (pFixPkt->word_cnts*2) + 1;
 583                 }
 584         } else {
 585                 efuse_addr = efuse_addr + (pFixPkt->word_cnts*2) + 1;
 586         }
 587         *pAddr = efuse_addr;
 588         return true;
 589 }
 590
 591 static bool hal_EfusePgPacketWrite2ByteHeader(struct adapter *pAdapter, u8 efuseType, u16 *pAddr, struct pgpkt *pTargetPkt)
 592 {
 593         bool bRet = false;
 594         u16     efuse_addr = *pAddr, efuse_max_available_len = 0;
 595         u8 pg_header = 0, tmp_header = 0, pg_header_temp = 0;
 596         u8 repeatcnt = 0;
 597
 598         EFUSE_GetEfuseDefinition(pAdapter, efuseType, TYPE_AVAILABLE_EFUSE_BYTES_BANK, (void *)&efuse_max_available_len);
 599
 600         while (efuse_addr < efuse_max_available_len) {
 601                 pg_header = ((pTargetPkt->offset & 0x07) << 5) | 0x0F;
 602                 efuse_OneByteWrite(pAdapter, efuse_addr, pg_header);
 603                 efuse_OneByteRead(pAdapter, efuse_addr, &tmp_header);
 604
 605                 while (tmp_header == 0xFF) {
 606                         if (repeatcnt++ > EFUSE_REPEAT_THRESHOLD_)
 607                                 return false;
 608
 609                         efuse_OneByteWrite(pAdapter, efuse_addr, pg_header);
 610                         efuse_OneByteRead(pAdapter, efuse_addr, &tmp_header);
 611                 }
 612
 613                 /* to write ext_header */
 614                 if (tmp_header == pg_header) {
 615                         efuse_addr++;
 616                         pg_header_temp = pg_header;
 617                         pg_header = ((pTargetPkt->offset & 0x78) << 1) | pTargetPkt->word_en;
 618
 619                         efuse_OneByteWrite(pAdapter, efuse_addr, pg_header);
 620                         efuse_OneByteRead(pAdapter, efuse_addr, &tmp_header);
 621
 622                         while (tmp_header == 0xFF) {
 623                                 if (repeatcnt++ > EFUSE_REPEAT_THRESHOLD_)
 624                                         return false;
 625
 626                                 efuse_OneByteWrite(pAdapter, efuse_addr, pg_header);
 627                                 efuse_OneByteRead(pAdapter, efuse_addr, &tmp_header);
 628                         }
 629
 630                         if ((tmp_header & 0x0F) == 0x0F) {      /* word_en PG fail */
 631                                 if (repeatcnt++ > EFUSE_REPEAT_THRESHOLD_) {
 632                                         return false;
 633                                 }
 634                                 efuse_addr++;
 635                                 continue;
 636                         } else if (pg_header != tmp_header) {   /* offset PG fail */
 637                                 struct pgpkt    fixPkt;
 638                                 fixPkt.offset = ((pg_header_temp & 0xE0) >> 5) | ((tmp_header & 0xF0) >> 1);
 639                                 fixPkt.word_en = tmp_header & 0x0F;
 640                                 fixPkt.word_cnts = Efuse_CalculateWordCnts(fixPkt.word_en);
 641                                 if (!hal_EfuseFixHeaderProcess(pAdapter, efuseType, &fixPkt, &efuse_addr))
 642                                         return false;
 643                         } else {
 644                                 bRet = true;
 645                                 break;
 646                         }
 647                 } else if ((tmp_header & 0x1F) == 0x0F) {               /* wrong extended header */
 648                         efuse_addr += 2;
 649                         continue;
 650                 }
 651         }
 652
 653         *pAddr = efuse_addr;
 654         return bRet;
 655 }
 656
 657 static bool hal_EfusePgPacketWrite1ByteHeader(struct adapter *pAdapter, u8 efuseType, u16 *pAddr, struct pgpkt *pTargetPkt)
 658 {
 659         bool bRet = false;
 660         u8 pg_header = 0, tmp_header = 0;
 661         u16     efuse_addr = *pAddr;
 662         u8 repeatcnt = 0;
 663
 664         pg_header = ((pTargetPkt->offset << 4) & 0xf0) | pTargetPkt->word_en;
 665
 666         efuse_OneByteWrite(pAdapter, efuse_addr, pg_header);
 667         efuse_OneByteRead(pAdapter, efuse_addr, &tmp_header);
 668
 669         while (tmp_header == 0xFF) {
 670                 if (repeatcnt++ > EFUSE_REPEAT_THRESHOLD_)
 671                         return false;
 672                 efuse_OneByteWrite(pAdapter, efuse_addr, pg_header);
 673                 efuse_OneByteRead(pAdapter, efuse_addr, &tmp_header);
 674         }
 675
 676         if (pg_header == tmp_header) {
 677                 bRet = true;
 678         } else {
 679                 struct pgpkt    fixPkt;
 680                 fixPkt.offset = (tmp_header>>4) & 0x0F;
 681                 fixPkt.word_en = tmp_header & 0x0F;
 682                 fixPkt.word_cnts = Efuse_CalculateWordCnts(fixPkt.word_en);
 683                 if (!hal_EfuseFixHeaderProcess(pAdapter, efuseType, &fixPkt, &efuse_addr))
 684                         return false;
 685         }
 686
 687         *pAddr = efuse_addr;
 688         return bRet;
 689 }
 690
 691 static bool hal_EfusePgPacketWriteData(struct adapter *pAdapter, u8 efuseType, u16 *pAddr, struct pgpkt *pTargetPkt)
 692 {
 693         u16     efuse_addr = *pAddr;
 694         u8 badworden = 0;
 695         u32     PgWriteSuccess = 0;
 696
 697         badworden = 0x0f;
 698         badworden = Efuse_WordEnableDataWrite(pAdapter, efuse_addr+1, pTargetPkt->word_en, pTargetPkt->data);
 699         if (badworden == 0x0F) {
 700                 /*  write ok */
 701                 return true;
 702         }
 703         /* reorganize other pg packet */
 704         PgWriteSuccess = Efuse_PgPacketWrite(pAdapter, pTargetPkt->offset, badworden, pTargetPkt->data);
 705         if (!PgWriteSuccess)
 706                 return false;
 707         else
 708                 return true;
 709 }
 710
 711 static bool
 712 hal_EfusePgPacketWriteHeader(
 713                                 struct adapter *pAdapter,
 714                                 u8 efuseType,
 715                                 u16                             *pAddr,
 716                                 struct pgpkt *pTargetPkt)
 717 {
 718         bool bRet = false;
 719
 720         if (pTargetPkt->offset >= EFUSE_MAX_SECTION_BASE)
 721                 bRet = hal_EfusePgPacketWrite2ByteHeader(pAdapter, efuseType, pAddr, pTargetPkt);
 722         else
 723                 bRet = hal_EfusePgPacketWrite1ByteHeader(pAdapter, efuseType, pAddr, pTargetPkt);
 724
 725         return bRet;
 726 }
 727
 728 static bool wordEnMatched(struct pgpkt *pTargetPkt, struct pgpkt *pCurPkt,
 729                           u8 *pWden)
 730 {
 731         u8 match_word_en = 0x0F;        /*  default all words are disabled */
 732
 733         /*  check if the same words are enabled both target and current PG packet */
 734         if (((pTargetPkt->word_en & BIT(0)) == 0) &&
 735             ((pCurPkt->word_en & BIT(0)) == 0))
 736                 match_word_en &= ~BIT(0);                               /*  enable word 0 */
 737         if (((pTargetPkt->word_en & BIT(1)) == 0) &&
 738             ((pCurPkt->word_en & BIT(1)) == 0))
 739                 match_word_en &= ~BIT(1);                               /*  enable word 1 */
 740         if (((pTargetPkt->word_en & BIT(2)) == 0) &&
 741             ((pCurPkt->word_en & BIT(2)) == 0))
 742                 match_word_en &= ~BIT(2);                               /*  enable word 2 */
 743         if (((pTargetPkt->word_en & BIT(3)) == 0) &&
 744             ((pCurPkt->word_en & BIT(3)) == 0))
 745                 match_word_en &= ~BIT(3);                               /*  enable word 3 */
 746
 747         *pWden = match_word_en;
 748
 749         if (match_word_en != 0xf)
 750                 return true;
 751         else
 752                 return false;
 753 }
 754
 755 static bool hal_EfuseCheckIfDatafollowed(struct adapter *pAdapter, u8 word_cnts, u16 startAddr)
 756 {
 757         bool bRet = false;
 758         u8 i, efuse_data;
 759
 760         for (i = 0; i < (word_cnts*2); i++) {
 761                 if (efuse_OneByteRead(pAdapter, (startAddr+i), &efuse_data) && (efuse_data != 0xFF))
 762                         bRet = true;
 763         }
 764         return bRet;
 765 }
 766
 767 static bool hal_EfusePartialWriteCheck(struct adapter *pAdapter, u8 efuseType, u16 *pAddr, struct pgpkt *pTargetPkt)
 768 {
 769         bool bRet = false;
 770         u8 i, efuse_data = 0, cur_header = 0;
 771         u8 matched_wden = 0, badworden = 0;
 772         u16     startAddr = 0, efuse_max_available_len = 0, efuse_max = 0;
 773         struct pgpkt curPkt;
 774
 775         EFUSE_GetEfuseDefinition(pAdapter, efuseType, TYPE_AVAILABLE_EFUSE_BYTES_BANK, (void *)&efuse_max_available_len);
 776         EFUSE_GetEfuseDefinition(pAdapter, efuseType, TYPE_EFUSE_REAL_CONTENT_LEN, (void *)&efuse_max);
 777
 778         rtw_hal_get_hwreg(pAdapter, HW_VAR_EFUSE_BYTES, (u8 *)&startAddr);
 779         startAddr %= EFUSE_REAL_CONTENT_LEN;
 780
 781         while (1) {
 782                 if (startAddr >= efuse_max_available_len) {
 783                         bRet = false;
 784                         break;
 785                 }
 786
 787                 if (efuse_OneByteRead(pAdapter, startAddr, &efuse_data) && (efuse_data != 0xFF)) {
 788                         if (EXT_HEADER(efuse_data)) {
 789                                 cur_header = efuse_data;
 790                                 startAddr++;
 791                                 efuse_OneByteRead(pAdapter, startAddr, &efuse_data);
 792                                 if (ALL_WORDS_DISABLED(efuse_data)) {
 793                                         bRet = false;
 794                                         break;
 795                                 } else {
 796                                         curPkt.offset = ((cur_header & 0xE0) >> 5) | ((efuse_data & 0xF0) >> 1);
 797                                         curPkt.word_en = efuse_data & 0x0F;
 798                                 }
 799                         } else {
 800                                 cur_header  =  efuse_data;
 801                                 curPkt.offset = (cur_header>>4) & 0x0F;
 802                                 curPkt.word_en = cur_header & 0x0F;
 803                         }
 804
 805                         curPkt.word_cnts = Efuse_CalculateWordCnts(curPkt.word_en);
 806                         /*  if same header is found but no data followed */
 807                         /*  write some part of data followed by the header. */
 808                         if ((curPkt.offset == pTargetPkt->offset) &&
 809                             (!hal_EfuseCheckIfDatafollowed(pAdapter, curPkt.word_cnts, startAddr+1)) &&
 810                             wordEnMatched(pTargetPkt, &curPkt, &matched_wden)) {
 811                                 /*  Here to write partial data */
 812                                 badworden = Efuse_WordEnableDataWrite(pAdapter, startAddr+1, matched_wden, pTargetPkt->data);
 813                                 if (badworden != 0x0F) {
 814                                         u32     PgWriteSuccess = 0;
 815                                         /*  if write fail on some words, write these bad words again */
 816
 817                                         PgWriteSuccess = Efuse_PgPacketWrite(pAdapter, pTargetPkt->offset, badworden, pTargetPkt->data);
 818
 819                                         if (!PgWriteSuccess) {
 820                                                 bRet = false;   /*  write fail, return */
 821                                                 break;
 822                                         }
 823                                 }
 824                                 /*  partial write ok, update the target packet for later use */
 825                                 for (i = 0; i < 4; i++) {
 826                                         if ((matched_wden & (0x1<<i)) == 0)     /*  this word has been written */
 827                                                 pTargetPkt->word_en |= (0x1<<i);        /*  disable the word */
 828                                 }
 829                                 pTargetPkt->word_cnts = Efuse_CalculateWordCnts(pTargetPkt->word_en);
 830                         }
 831                         /*  read from next header */
 832                         startAddr = startAddr + (curPkt.word_cnts*2) + 1;
 833                 } else {
 834                         /*  not used header, 0xff */
 835                         *pAddr = startAddr;
 836                         bRet = true;
 837                         break;
 838                 }
 839         }
 840         return bRet;
 841 }
 842
 843 static bool
 844 hal_EfusePgCheckAvailableAddr(
 845                 struct adapter *pAdapter,
 846                 u8 efuseType
 847         )
 848 {
 849         u16     efuse_max_available_len = 0;
 850
 851         /* Change to check TYPE_EFUSE_MAP_LEN , because 8188E raw 256, logic map over 256. */
 852         EFUSE_GetEfuseDefinition(pAdapter, EFUSE_WIFI, TYPE_EFUSE_MAP_LEN, (void *)&efuse_max_available_len);
 853
 854         if (Efuse_GetCurrentSize(pAdapter) >= efuse_max_available_len)
 855                 return false;
 856         return true;
 857 }
 858
 859 static void hal_EfuseConstructPGPkt(u8 offset, u8 word_en, u8 *pData, struct pgpkt *pTargetPkt)
 860 {
 861         memset((void *)pTargetPkt->data, 0xFF, sizeof(u8)*8);
 862         pTargetPkt->offset = offset;
 863         pTargetPkt->word_en = word_en;
 864         efuse_WordEnableDataRead(word_en, pData, pTargetPkt->data);
 865         pTargetPkt->word_cnts = Efuse_CalculateWordCnts(pTargetPkt->word_en);
 866 }
 867
 868 bool Efuse_PgPacketWrite(struct adapter *pAdapter, u8 offset, u8 word_en, u8 *pData)
 869 {
 870         struct pgpkt    targetPkt;
 871         u16                     startAddr = 0;
 872         u8 efuseType = EFUSE_WIFI;
 873
 874         if (!hal_EfusePgCheckAvailableAddr(pAdapter, efuseType))
 875                 return false;
 876
 877         hal_EfuseConstructPGPkt(offset, word_en, pData, &targetPkt);
 878
 879         if (!hal_EfusePartialWriteCheck(pAdapter, efuseType, &startAddr, &targetPkt))
 880                 return false;
 881
 882         if (!hal_EfusePgPacketWriteHeader(pAdapter, efuseType, &startAddr, &targetPkt))
 883                 return false;
 884
 885         if (!hal_EfusePgPacketWriteData(pAdapter, efuseType, &startAddr, &targetPkt))
 886                 return false;
 887
 888         return true;
 889 }
 890
 891 u8 Efuse_CalculateWordCnts(u8 word_en)
 892 {
 893         u8 word_cnts = 0;
 894         if (!(word_en & BIT(0)))
 895                 word_cnts++; /*  0 : write enable */
 896         if (!(word_en & BIT(1)))
 897                 word_cnts++;
 898         if (!(word_en & BIT(2)))
 899                 word_cnts++;
 900         if (!(word_en & BIT(3)))
 901                 word_cnts++;
 902         return word_cnts;
 903 }
 904
 905 u8 efuse_OneByteRead(struct adapter *pAdapter, u16 addr, u8 *data)
 906 {
 907         u8 tmpidx = 0;
 908         u8 result;
 909
 910         usb_write8(pAdapter, EFUSE_CTRL+1, (u8)(addr & 0xff));
 911         usb_write8(pAdapter, EFUSE_CTRL+2, ((u8)((addr>>8) & 0x03)) |
 912                    (usb_read8(pAdapter, EFUSE_CTRL+2) & 0xFC));
 913
 914         usb_write8(pAdapter, EFUSE_CTRL+3,  0x72);/* read cmd */
 915
 916         while (!(0x80 & usb_read8(pAdapter, EFUSE_CTRL+3)) && (tmpidx < 100))
 917                 tmpidx++;
 918         if (tmpidx < 100) {
 919                 *data = usb_read8(pAdapter, EFUSE_CTRL);
 920                 result = true;
 921         } else {
 922                 *data = 0xff;
 923                 result = false;
 924         }
 925         return result;
 926 }
 927
 928 u8 efuse_OneByteWrite(struct adapter *pAdapter, u16 addr, u8 data)
 929 {
 930         u8 tmpidx = 0;
 931         u8 result;
 932
 933         usb_write8(pAdapter, EFUSE_CTRL+1, (u8)(addr&0xff));
 934         usb_write8(pAdapter, EFUSE_CTRL+2,
 935                    (usb_read8(pAdapter, EFUSE_CTRL+2) & 0xFC) |
 936                    (u8)((addr>>8) & 0x03));
 937         usb_write8(pAdapter, EFUSE_CTRL, data);/* data */
 938
 939         usb_write8(pAdapter, EFUSE_CTRL+3, 0xF2);/* write cmd */
 940
 941         while ((0x80 &  usb_read8(pAdapter, EFUSE_CTRL+3)) && (tmpidx < 100))
 942                 tmpidx++;
 943
 944         if (tmpidx < 100)
 945                 result = true;
 946         else
 947                 result = false;
 948
 949         return result;
 950 }
 951
 952 /*
 953  * Overview:   Read allowed word in current efuse section data.
 954  */
 955 void efuse_WordEnableDataRead(u8 word_en, u8 *sourdata, u8 *targetdata)
 956 {
 957         if (!(word_en & BIT(0))) {
 958                 targetdata[0] = sourdata[0];
 959                 targetdata[1] = sourdata[1];
 960         }
 961         if (!(word_en & BIT(1))) {
 962                 targetdata[2] = sourdata[2];
 963                 targetdata[3] = sourdata[3];
 964         }
 965         if (!(word_en & BIT(2))) {
 966                 targetdata[4] = sourdata[4];
 967                 targetdata[5] = sourdata[5];
 968         }
 969         if (!(word_en & BIT(3))) {
 970                 targetdata[6] = sourdata[6];
 971                 targetdata[7] = sourdata[7];
 972         }
 973 }
 974
 975 /*
 976  * Overview:    Read All Efuse content
 977  */
 978 static void Efuse_ReadAllMap(struct adapter *pAdapter, u8 efuseType, u8 *Efuse)
 979 {
 980         u16 mapLen = 0;
 981
 982         Efuse_PowerSwitch(pAdapter, false, true);
 983
 984         EFUSE_GetEfuseDefinition(pAdapter, efuseType, TYPE_EFUSE_MAP_LEN, (void *)&mapLen);
 985
 986         efuse_ReadEFuse(pAdapter, efuseType, 0, mapLen, Efuse);
 987
 988         Efuse_PowerSwitch(pAdapter, false, false);
 989 }
 990
 991 /*
 992  * Overview:    Transfer current EFUSE content to shadow init and modify map.
 993  */
 994 void EFUSE_ShadowMapUpdate(
 995         struct adapter *pAdapter,
 996         u8 efuseType)
 997 {
 998         struct eeprom_priv *pEEPROM = GET_EEPROM_EFUSE_PRIV(pAdapter);
 999         u16 mapLen = 0;
1000
1001         EFUSE_GetEfuseDefinition(pAdapter, efuseType, TYPE_EFUSE_MAP_LEN, (void *)&mapLen);
1002
1003         if (pEEPROM->bautoload_fail_flag)
1004                 memset(pEEPROM->efuse_eeprom_data, 0xFF, mapLen);
1005         else
1006                 Efuse_ReadAllMap(pAdapter, efuseType, pEEPROM->efuse_eeprom_data);
1007 }