drivers/net/wireless/realtek/rtlwifi/efuse.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright(c) 2009-2012  Realtek Corporation.*/
   3
   4 #include "wifi.h"
   5 #include "efuse.h"
   6 #include "pci.h"
   7 #include <linux/export.h>
   8
   9 static const u8 MAX_PGPKT_SIZE = 9;
  10 static const u8 PGPKT_DATA_SIZE = 8;
  11 static const int EFUSE_MAX_SIZE = 512;
  12
  13 #define START_ADDRESS           0x1000
  14 #define REG_MCUFWDL             0x0080
  15
  16 static const struct efuse_map RTL8712_SDIO_EFUSE_TABLE[] = {
  17         {0, 0, 0, 2},
  18         {0, 1, 0, 2},
  19         {0, 2, 0, 2},
  20         {1, 0, 0, 1},
  21         {1, 0, 1, 1},
  22         {1, 1, 0, 1},
  23         {1, 1, 1, 3},
  24         {1, 3, 0, 17},
  25         {3, 3, 1, 48},
  26         {10, 0, 0, 6},
  27         {10, 3, 0, 1},
  28         {10, 3, 1, 1},
  29         {11, 0, 0, 28}
  30 };
  31
  32 static const struct rtl_efuse_ops efuse_ops = {
  33         .efuse_onebyte_read = efuse_one_byte_read,
  34         .efuse_logical_map_read = efuse_shadow_read,
  35 };
  36
  37 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw, u16 offset,
  38                                     u8 *value);
  39 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw, u16 offset,
  40                                     u16 *value);
  41 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw, u16 offset,
  42                                     u32 *value);
  43 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw, u16 offset,
  44                                      u8 value);
  45 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw, u16 offset,
  46                                      u16 value);
  47 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw, u16 offset,
  48                                      u32 value);
  49 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr,
  50                                 u8 data);
  51 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse);
  52 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset,
  53                                 u8 *data);
  54 static int efuse_pg_packet_write(struct ieee80211_hw *hw, u8 offset,
  55                                  u8 word_en, u8 *data);
  56 static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
  57                                         u8 *targetdata);
  58 static u8 enable_efuse_data_write(struct ieee80211_hw *hw,
  59                                   u16 efuse_addr, u8 word_en, u8 *data);
  60 static u16 efuse_get_current_size(struct ieee80211_hw *hw);
  61 static u8 efuse_calculate_word_cnts(u8 word_en);
  62
  63 void efuse_initialize(struct ieee80211_hw *hw)
  64 {
  65         struct rtl_priv *rtlpriv = rtl_priv(hw);
  66         u8 bytetemp;
  67         u8 temp;
  68
  69         bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1);
  70         temp = bytetemp | 0x20;
  71         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1, temp);
  72
  73         bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1);
  74         temp = bytetemp & 0xFE;
  75         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1, temp);
  76
  77         bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3);
  78         temp = bytetemp | 0x80;
  79         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3, temp);
  80
  81         rtl_write_byte(rtlpriv, 0x2F8, 0x3);
  82
  83         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
  84
  85 }
  86
  87 u8 efuse_read_1byte(struct ieee80211_hw *hw, u16 address)
  88 {
  89         struct rtl_priv *rtlpriv = rtl_priv(hw);
  90         u8 data;
  91         u8 bytetemp;
  92         u8 temp;
  93         u32 k = 0;
  94         const u32 efuse_len =
  95                 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
  96
  97         if (address < efuse_len) {
  98                 temp = address & 0xFF;
  99                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 100                                temp);
 101                 bytetemp = rtl_read_byte(rtlpriv,
 102                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
 103                 temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
 104                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 105                                temp);
 106
 107                 bytetemp = rtl_read_byte(rtlpriv,
 108                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 109                 temp = bytetemp & 0x7F;
 110                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
 111                                temp);
 112
 113                 bytetemp = rtl_read_byte(rtlpriv,
 114                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 115                 while (!(bytetemp & 0x80)) {
 116                         bytetemp = rtl_read_byte(rtlpriv,
 117                                                  rtlpriv->cfg->
 118                                                  maps[EFUSE_CTRL] + 3);
 119                         k++;
 120                         if (k == 1000)
 121                                 break;
 122                 }
 123                 data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 124                 return data;
 125         } else
 126                 return 0xFF;
 127
 128 }
 129 EXPORT_SYMBOL(efuse_read_1byte);
 130
 131 void efuse_write_1byte(struct ieee80211_hw *hw, u16 address, u8 value)
 132 {
 133         struct rtl_priv *rtlpriv = rtl_priv(hw);
 134         u8 bytetemp;
 135         u8 temp;
 136         u32 k = 0;
 137         const u32 efuse_len =
 138                 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
 139
 140         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "Addr=%x Data =%x\n",
 141                  address, value);
 142
 143         if (address < efuse_len) {
 144                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], value);
 145
 146                 temp = address & 0xFF;
 147                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 148                                temp);
 149                 bytetemp = rtl_read_byte(rtlpriv,
 150                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
 151
 152                 temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
 153                 rtl_write_byte(rtlpriv,
 154                                rtlpriv->cfg->maps[EFUSE_CTRL] + 2, temp);
 155
 156                 bytetemp = rtl_read_byte(rtlpriv,
 157                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 158                 temp = bytetemp | 0x80;
 159                 rtl_write_byte(rtlpriv,
 160                                rtlpriv->cfg->maps[EFUSE_CTRL] + 3, temp);
 161
 162                 bytetemp = rtl_read_byte(rtlpriv,
 163                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 164
 165                 while (bytetemp & 0x80) {
 166                         bytetemp = rtl_read_byte(rtlpriv,
 167                                                  rtlpriv->cfg->
 168                                                  maps[EFUSE_CTRL] + 3);
 169                         k++;
 170                         if (k == 100) {
 171                                 k = 0;
 172                                 break;
 173                         }
 174                 }
 175         }
 176
 177 }
 178
 179 void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset, u8 *pbuf)
 180 {
 181         struct rtl_priv *rtlpriv = rtl_priv(hw);
 182         u32 value32;
 183         u8 readbyte;
 184         u16 retry;
 185
 186         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 187                        (_offset & 0xff));
 188         readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
 189         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 190                        ((_offset >> 8) & 0x03) | (readbyte & 0xfc));
 191
 192         readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 193         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
 194                        (readbyte & 0x7f));
 195
 196         retry = 0;
 197         value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 198         while (!(((value32 >> 24) & 0xff) & 0x80) && (retry < 10000)) {
 199                 value32 = rtl_read_dword(rtlpriv,
 200                                          rtlpriv->cfg->maps[EFUSE_CTRL]);
 201                 retry++;
 202         }
 203
 204         udelay(50);
 205         value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 206
 207         *pbuf = (u8) (value32 & 0xff);
 208 }
 209 EXPORT_SYMBOL_GPL(read_efuse_byte);
 210
 211 void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
 212 {
 213         struct rtl_priv *rtlpriv = rtl_priv(hw);
 214         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 215         u8 *efuse_tbl;
 216         u8 rtemp8[1];
 217         u16 efuse_addr = 0;
 218         u8 offset, wren;
 219         u8 u1temp = 0;
 220         u16 i;
 221         u16 j;
 222         const u16 efuse_max_section =
 223                 rtlpriv->cfg->maps[EFUSE_MAX_SECTION_MAP];
 224         const u32 efuse_len =
 225                 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
 226         u16 **efuse_word;
 227         u16 efuse_utilized = 0;
 228         u8 efuse_usage;
 229
 230         if ((_offset + _size_byte) > rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]) {
 231                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 232                          "read_efuse(): Invalid offset(%#x) with read bytes(%#x)!!\n",
 233                          _offset, _size_byte);
 234                 return;
 235         }
 236
 237         /* allocate memory for efuse_tbl and efuse_word */
 238         efuse_tbl = kzalloc(rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE],
 239                             GFP_ATOMIC);
 240         if (!efuse_tbl)
 241                 return;
 242         efuse_word = kcalloc(EFUSE_MAX_WORD_UNIT, sizeof(u16 *), GFP_ATOMIC);
 243         if (!efuse_word)
 244                 goto out;
 245         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
 246                 efuse_word[i] = kcalloc(efuse_max_section, sizeof(u16),
 247                                         GFP_ATOMIC);
 248                 if (!efuse_word[i])
 249                         goto done;
 250         }
 251
 252         for (i = 0; i < efuse_max_section; i++)
 253                 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++)
 254                         efuse_word[j][i] = 0xFFFF;
 255
 256         read_efuse_byte(hw, efuse_addr, rtemp8);
 257         if (*rtemp8 != 0xFF) {
 258                 efuse_utilized++;
 259                 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 260                         "Addr=%d\n", efuse_addr);
 261                 efuse_addr++;
 262         }
 263
 264         while ((*rtemp8 != 0xFF) && (efuse_addr < efuse_len)) {
 265                 /*  Check PG header for section num.  */
 266                 if ((*rtemp8 & 0x1F) == 0x0F) {/* extended header */
 267                         u1temp = ((*rtemp8 & 0xE0) >> 5);
 268                         read_efuse_byte(hw, efuse_addr, rtemp8);
 269
 270                         if ((*rtemp8 & 0x0F) == 0x0F) {
 271                                 efuse_addr++;
 272                                 read_efuse_byte(hw, efuse_addr, rtemp8);
 273
 274                                 if (*rtemp8 != 0xFF &&
 275                                     (efuse_addr < efuse_len)) {
 276                                         efuse_addr++;
 277                                 }
 278                                 continue;
 279                         } else {
 280                                 offset = ((*rtemp8 & 0xF0) >> 1) | u1temp;
 281                                 wren = (*rtemp8 & 0x0F);
 282                                 efuse_addr++;
 283                         }
 284                 } else {
 285                         offset = ((*rtemp8 >> 4) & 0x0f);
 286                         wren = (*rtemp8 & 0x0f);
 287                 }
 288
 289                 if (offset < efuse_max_section) {
 290                         RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 291                                 "offset-%d Worden=%x\n", offset, wren);
 292
 293                         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
 294                                 if (!(wren & 0x01)) {
 295                                         RTPRINT(rtlpriv, FEEPROM,
 296                                                 EFUSE_READ_ALL,
 297                                                 "Addr=%d\n", efuse_addr);
 298
 299                                         read_efuse_byte(hw, efuse_addr, rtemp8);
 300                                         efuse_addr++;
 301                                         efuse_utilized++;
 302                                         efuse_word[i][offset] =
 303                                                          (*rtemp8 & 0xff);
 304
 305                                         if (efuse_addr >= efuse_len)
 306                                                 break;
 307
 308                                         RTPRINT(rtlpriv, FEEPROM,
 309                                                 EFUSE_READ_ALL,
 310                                                 "Addr=%d\n", efuse_addr);
 311
 312                                         read_efuse_byte(hw, efuse_addr, rtemp8);
 313                                         efuse_addr++;
 314                                         efuse_utilized++;
 315                                         efuse_word[i][offset] |=
 316                                             (((u16)*rtemp8 << 8) & 0xff00);
 317
 318                                         if (efuse_addr >= efuse_len)
 319                                                 break;
 320                                 }
 321
 322                                 wren >>= 1;
 323                         }
 324                 }
 325
 326                 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 327                         "Addr=%d\n", efuse_addr);
 328                 read_efuse_byte(hw, efuse_addr, rtemp8);
 329                 if (*rtemp8 != 0xFF && (efuse_addr < efuse_len)) {
 330                         efuse_utilized++;
 331                         efuse_addr++;
 332                 }
 333         }
 334
 335         for (i = 0; i < efuse_max_section; i++) {
 336                 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++) {
 337                         efuse_tbl[(i * 8) + (j * 2)] =
 338                             (efuse_word[j][i] & 0xff);
 339                         efuse_tbl[(i * 8) + ((j * 2) + 1)] =
 340                             ((efuse_word[j][i] >> 8) & 0xff);
 341                 }
 342         }
 343
 344         for (i = 0; i < _size_byte; i++)
 345                 pbuf[i] = efuse_tbl[_offset + i];
 346
 347         rtlefuse->efuse_usedbytes = efuse_utilized;
 348         efuse_usage = (u8) ((efuse_utilized * 100) / efuse_len);
 349         rtlefuse->efuse_usedpercentage = efuse_usage;
 350         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_BYTES,
 351                                       (u8 *)&efuse_utilized);
 352         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_USAGE,
 353                                       &efuse_usage);
 354 done:
 355         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++)
 356                 kfree(efuse_word[i]);
 357         kfree(efuse_word);
 358 out:
 359         kfree(efuse_tbl);
 360 }
 361
 362 bool efuse_shadow_update_chk(struct ieee80211_hw *hw)
 363 {
 364         struct rtl_priv *rtlpriv = rtl_priv(hw);
 365         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 366         u8 section_idx, i, base;
 367         u16 words_need = 0, hdr_num = 0, totalbytes, efuse_used;
 368         bool wordchanged, result = true;
 369
 370         for (section_idx = 0; section_idx < 16; section_idx++) {
 371                 base = section_idx * 8;
 372                 wordchanged = false;
 373
 374                 for (i = 0; i < 8; i = i + 2) {
 375                         if (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
 376                             rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i] ||
 377                             rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i + 1] !=
 378                             rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i +
 379                                                                    1]) {
 380                                 words_need++;
 381                                 wordchanged = true;
 382                         }
 383                 }
 384
 385                 if (wordchanged)
 386                         hdr_num++;
 387         }
 388
 389         totalbytes = hdr_num + words_need * 2;
 390         efuse_used = rtlefuse->efuse_usedbytes;
 391
 392         if ((totalbytes + efuse_used) >=
 393             (EFUSE_MAX_SIZE - rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))
 394                 result = false;
 395
 396         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 397                  "efuse_shadow_update_chk(): totalbytes(%#x), hdr_num(%#x), words_need(%#x), efuse_used(%d)\n",
 398                  totalbytes, hdr_num, words_need, efuse_used);
 399
 400         return result;
 401 }
 402
 403 void efuse_shadow_read(struct ieee80211_hw *hw, u8 type,
 404                        u16 offset, u32 *value)
 405 {
 406         if (type == 1)
 407                 efuse_shadow_read_1byte(hw, offset, (u8 *)value);
 408         else if (type == 2)
 409                 efuse_shadow_read_2byte(hw, offset, (u16 *)value);
 410         else if (type == 4)
 411                 efuse_shadow_read_4byte(hw, offset, value);
 412
 413 }
 414 EXPORT_SYMBOL(efuse_shadow_read);
 415
 416 void efuse_shadow_write(struct ieee80211_hw *hw, u8 type, u16 offset,
 417                                 u32 value)
 418 {
 419         if (type == 1)
 420                 efuse_shadow_write_1byte(hw, offset, (u8) value);
 421         else if (type == 2)
 422                 efuse_shadow_write_2byte(hw, offset, (u16) value);
 423         else if (type == 4)
 424                 efuse_shadow_write_4byte(hw, offset, value);
 425
 426 }
 427
 428 bool efuse_shadow_update(struct ieee80211_hw *hw)
 429 {
 430         struct rtl_priv *rtlpriv = rtl_priv(hw);
 431         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 432         u16 i, offset, base;
 433         u8 word_en = 0x0F;
 434         u8 first_pg = false;
 435
 436         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n");
 437
 438         if (!efuse_shadow_update_chk(hw)) {
 439                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 440                 memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 441                        &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 442                        rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 443
 444                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 445                          "efuse out of capacity!!\n");
 446                 return false;
 447         }
 448         efuse_power_switch(hw, true, true);
 449
 450         for (offset = 0; offset < 16; offset++) {
 451
 452                 word_en = 0x0F;
 453                 base = offset * 8;
 454
 455                 for (i = 0; i < 8; i++) {
 456                         if (first_pg) {
 457                                 word_en &= ~(BIT(i / 2));
 458
 459                                 rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 460                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 461                         } else {
 462
 463                                 if (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
 464                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) {
 465                                         word_en &= ~(BIT(i / 2));
 466
 467                                         rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 468                                             rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 469                                 }
 470                         }
 471                 }
 472
 473                 if (word_en != 0x0F) {
 474                         u8 tmpdata[8];
 475
 476                         memcpy(tmpdata,
 477                                &rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base],
 478                                8);
 479                         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD,
 480                                       "U-efuse\n", tmpdata, 8);
 481
 482                         if (!efuse_pg_packet_write(hw, (u8) offset, word_en,
 483                                                    tmpdata)) {
 484                                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 485                                          "PG section(%#x) fail!!\n", offset);
 486                                 break;
 487                         }
 488                 }
 489         }
 490
 491         efuse_power_switch(hw, true, false);
 492         efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 493
 494         memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 495                &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 496                rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 497
 498         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n");
 499         return true;
 500 }
 501
 502 void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw)
 503 {
 504         struct rtl_priv *rtlpriv = rtl_priv(hw);
 505         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 506
 507         if (rtlefuse->autoload_failflag)
 508                 memset((&rtlefuse->efuse_map[EFUSE_INIT_MAP][0]),
 509                        0xFF, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 510         else
 511                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 512
 513         memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 514                         &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 515                         rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 516
 517 }
 518 EXPORT_SYMBOL(rtl_efuse_shadow_map_update);
 519
 520 void efuse_force_write_vendor_id(struct ieee80211_hw *hw)
 521 {
 522         u8 tmpdata[8] = { 0xFF, 0xFF, 0xEC, 0x10, 0xFF, 0xFF, 0xFF, 0xFF };
 523
 524         efuse_power_switch(hw, true, true);
 525
 526         efuse_pg_packet_write(hw, 1, 0xD, tmpdata);
 527
 528         efuse_power_switch(hw, true, false);
 529
 530 }
 531
 532 void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx)
 533 {
 534 }
 535
 536 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw,
 537                                     u16 offset, u8 *value)
 538 {
 539         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 540         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 541 }
 542
 543 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw,
 544                                     u16 offset, u16 *value)
 545 {
 546         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 547
 548         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 549         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 550
 551 }
 552
 553 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw,
 554                                     u16 offset, u32 *value)
 555 {
 556         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 557
 558         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 559         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 560         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] << 16;
 561         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] << 24;
 562 }
 563
 564 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw,
 565                                      u16 offset, u8 value)
 566 {
 567         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 568
 569         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value;
 570 }
 571
 572 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw,
 573                                      u16 offset, u16 value)
 574 {
 575         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 576
 577         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value & 0x00FF;
 578         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] = value >> 8;
 579
 580 }
 581
 582 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw,
 583                                      u16 offset, u32 value)
 584 {
 585         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 586
 587         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] =
 588             (u8) (value & 0x000000FF);
 589         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] =
 590             (u8) ((value >> 8) & 0x0000FF);
 591         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] =
 592             (u8) ((value >> 16) & 0x00FF);
 593         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] =
 594             (u8) ((value >> 24) & 0xFF);
 595
 596 }
 597
 598 int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, u8 *data)
 599 {
 600         struct rtl_priv *rtlpriv = rtl_priv(hw);
 601         u8 tmpidx = 0;
 602         int result;
 603
 604         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 605                        (u8) (addr & 0xff));
 606         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 607                        ((u8) ((addr >> 8) & 0x03)) |
 608                        (rtl_read_byte(rtlpriv,
 609                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 2) &
 610                         0xFC));
 611
 612         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
 613
 614         while (!(0x80 & rtl_read_byte(rtlpriv,
 615                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
 616                && (tmpidx < 100)) {
 617                 tmpidx++;
 618         }
 619
 620         if (tmpidx < 100) {
 621                 *data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 622                 result = true;
 623         } else {
 624                 *data = 0xff;
 625                 result = false;
 626         }
 627         return result;
 628 }
 629 EXPORT_SYMBOL(efuse_one_byte_read);
 630
 631 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data)
 632 {
 633         struct rtl_priv *rtlpriv = rtl_priv(hw);
 634         u8 tmpidx = 0;
 635
 636         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 637                  "Addr = %x Data=%x\n", addr, data);
 638
 639         rtl_write_byte(rtlpriv,
 640                        rtlpriv->cfg->maps[EFUSE_CTRL] + 1, (u8) (addr & 0xff));
 641         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 642                        (rtl_read_byte(rtlpriv,
 643                          rtlpriv->cfg->maps[EFUSE_CTRL] +
 644                          2) & 0xFC) | (u8) ((addr >> 8) & 0x03));
 645
 646         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], data);
 647         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0xF2);
 648
 649         while ((0x80 & rtl_read_byte(rtlpriv,
 650                                      rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
 651                && (tmpidx < 100)) {
 652                 tmpidx++;
 653         }
 654
 655         if (tmpidx < 100)
 656                 return true;
 657         return false;
 658 }
 659
 660 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse)
 661 {
 662         struct rtl_priv *rtlpriv = rtl_priv(hw);
 663
 664         efuse_power_switch(hw, false, true);
 665         read_efuse(hw, 0, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE], efuse);
 666         efuse_power_switch(hw, false, false);
 667 }
 668
 669 static void efuse_read_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 670                                 u8 efuse_data, u8 offset, u8 *tmpdata,
 671                                 u8 *readstate)
 672 {
 673         bool dataempty = true;
 674         u8 hoffset;
 675         u8 tmpidx;
 676         u8 hworden;
 677         u8 word_cnts;
 678
 679         hoffset = (efuse_data >> 4) & 0x0F;
 680         hworden = efuse_data & 0x0F;
 681         word_cnts = efuse_calculate_word_cnts(hworden);
 682
 683         if (hoffset == offset) {
 684                 for (tmpidx = 0; tmpidx < word_cnts * 2; tmpidx++) {
 685                         if (efuse_one_byte_read(hw, *efuse_addr + 1 + tmpidx,
 686                                                 &efuse_data)) {
 687                                 tmpdata[tmpidx] = efuse_data;
 688                                 if (efuse_data != 0xff)
 689                                         dataempty = false;
 690                         }
 691                 }
 692
 693                 if (!dataempty) {
 694                         *readstate = PG_STATE_DATA;
 695                 } else {
 696                         *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 697                         *readstate = PG_STATE_HEADER;
 698                 }
 699
 700         } else {
 701                 *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 702                 *readstate = PG_STATE_HEADER;
 703         }
 704 }
 705
 706 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data)
 707 {
 708         u8 readstate = PG_STATE_HEADER;
 709
 710         bool continual = true;
 711
 712         u8 efuse_data, word_cnts = 0;
 713         u16 efuse_addr = 0;
 714         u8 tmpdata[8];
 715
 716         if (data == NULL)
 717                 return false;
 718         if (offset > 15)
 719                 return false;
 720
 721         memset(data, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
 722         memset(tmpdata, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
 723
 724         while (continual && (efuse_addr < EFUSE_MAX_SIZE)) {
 725                 if (readstate & PG_STATE_HEADER) {
 726                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data)
 727                             && (efuse_data != 0xFF))
 728                                 efuse_read_data_case1(hw, &efuse_addr,
 729                                                       efuse_data, offset,
 730                                                       tmpdata, &readstate);
 731                         else
 732                                 continual = false;
 733                 } else if (readstate & PG_STATE_DATA) {
 734                         efuse_word_enable_data_read(0, tmpdata, data);
 735                         efuse_addr = efuse_addr + (word_cnts * 2) + 1;
 736                         readstate = PG_STATE_HEADER;
 737                 }
 738
 739         }
 740
 741         if ((data[0] == 0xff) && (data[1] == 0xff) &&
 742             (data[2] == 0xff) && (data[3] == 0xff) &&
 743             (data[4] == 0xff) && (data[5] == 0xff) &&
 744             (data[6] == 0xff) && (data[7] == 0xff))
 745                 return false;
 746         else
 747                 return true;
 748
 749 }
 750
 751 static void efuse_write_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 752                                    u8 efuse_data, u8 offset,
 753                                    int *continual, u8 *write_state,
 754                                    struct pgpkt_struct *target_pkt,
 755                                    int *repeat_times, int *result, u8 word_en)
 756 {
 757         struct rtl_priv *rtlpriv = rtl_priv(hw);
 758         struct pgpkt_struct tmp_pkt;
 759         int dataempty = true;
 760         u8 originaldata[8 * sizeof(u8)];
 761         u8 badworden = 0x0F;
 762         u8 match_word_en, tmp_word_en;
 763         u8 tmpindex;
 764         u8 tmp_header = efuse_data;
 765         u8 tmp_word_cnts;
 766
 767         tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 768         tmp_pkt.word_en = tmp_header & 0x0F;
 769         tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 770
 771         if (tmp_pkt.offset != target_pkt->offset) {
 772                 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 773                 *write_state = PG_STATE_HEADER;
 774         } else {
 775                 for (tmpindex = 0; tmpindex < (tmp_word_cnts * 2); tmpindex++) {
 776                         if (efuse_one_byte_read(hw,
 777                                                 (*efuse_addr + 1 + tmpindex),
 778                                                 &efuse_data) &&
 779                             (efuse_data != 0xFF))
 780                                 dataempty = false;
 781                 }
 782
 783                 if (!dataempty) {
 784                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 785                         *write_state = PG_STATE_HEADER;
 786                 } else {
 787                         match_word_en = 0x0F;
 788                         if (!((target_pkt->word_en & BIT(0)) |
 789                             (tmp_pkt.word_en & BIT(0))))
 790                                 match_word_en &= (~BIT(0));
 791
 792                         if (!((target_pkt->word_en & BIT(1)) |
 793                             (tmp_pkt.word_en & BIT(1))))
 794                                 match_word_en &= (~BIT(1));
 795
 796                         if (!((target_pkt->word_en & BIT(2)) |
 797                             (tmp_pkt.word_en & BIT(2))))
 798                                 match_word_en &= (~BIT(2));
 799
 800                         if (!((target_pkt->word_en & BIT(3)) |
 801                             (tmp_pkt.word_en & BIT(3))))
 802                                 match_word_en &= (~BIT(3));
 803
 804                         if ((match_word_en & 0x0F) != 0x0F) {
 805                                 badworden =
 806                                   enable_efuse_data_write(hw,
 807                                                           *efuse_addr + 1,
 808                                                           tmp_pkt.word_en,
 809                                                           target_pkt->data);
 810
 811                                 if (0x0F != (badworden & 0x0F)) {
 812                                         u8 reorg_offset = offset;
 813                                         u8 reorg_worden = badworden;
 814
 815                                         efuse_pg_packet_write(hw, reorg_offset,
 816                                                               reorg_worden,
 817                                                               originaldata);
 818                                 }
 819
 820                                 tmp_word_en = 0x0F;
 821                                 if ((target_pkt->word_en & BIT(0)) ^
 822                                     (match_word_en & BIT(0)))
 823                                         tmp_word_en &= (~BIT(0));
 824
 825                                 if ((target_pkt->word_en & BIT(1)) ^
 826                                     (match_word_en & BIT(1)))
 827                                         tmp_word_en &= (~BIT(1));
 828
 829                                 if ((target_pkt->word_en & BIT(2)) ^
 830                                     (match_word_en & BIT(2)))
 831                                         tmp_word_en &= (~BIT(2));
 832
 833                                 if ((target_pkt->word_en & BIT(3)) ^
 834                                     (match_word_en & BIT(3)))
 835                                         tmp_word_en &= (~BIT(3));
 836
 837                                 if ((tmp_word_en & 0x0F) != 0x0F) {
 838                                         *efuse_addr = efuse_get_current_size(hw);
 839                                         target_pkt->offset = offset;
 840                                         target_pkt->word_en = tmp_word_en;
 841                                 } else {
 842                                         *continual = false;
 843                                 }
 844                                 *write_state = PG_STATE_HEADER;
 845                                 *repeat_times += 1;
 846                                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 847                                         *continual = false;
 848                                         *result = false;
 849                                 }
 850                         } else {
 851                                 *efuse_addr += (2 * tmp_word_cnts) + 1;
 852                                 target_pkt->offset = offset;
 853                                 target_pkt->word_en = word_en;
 854                                 *write_state = PG_STATE_HEADER;
 855                         }
 856                 }
 857         }
 858         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, "efuse PG_STATE_HEADER-1\n");
 859 }
 860
 861 static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
 862                                    int *continual, u8 *write_state,
 863                                    struct pgpkt_struct target_pkt,
 864                                    int *repeat_times, int *result)
 865 {
 866         struct rtl_priv *rtlpriv = rtl_priv(hw);
 867         struct pgpkt_struct tmp_pkt;
 868         u8 pg_header;
 869         u8 tmp_header;
 870         u8 originaldata[8 * sizeof(u8)];
 871         u8 tmp_word_cnts;
 872         u8 badworden = 0x0F;
 873
 874         pg_header = ((target_pkt.offset << 4) & 0xf0) | target_pkt.word_en;
 875         efuse_one_byte_write(hw, *efuse_addr, pg_header);
 876         efuse_one_byte_read(hw, *efuse_addr, &tmp_header);
 877
 878         if (tmp_header == pg_header) {
 879                 *write_state = PG_STATE_DATA;
 880         } else if (tmp_header == 0xFF) {
 881                 *write_state = PG_STATE_HEADER;
 882                 *repeat_times += 1;
 883                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 884                         *continual = false;
 885                         *result = false;
 886                 }
 887         } else {
 888                 tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 889                 tmp_pkt.word_en = tmp_header & 0x0F;
 890
 891                 tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 892
 893                 memset(originaldata, 0xff,  8 * sizeof(u8));
 894
 895                 if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) {
 896                         badworden = enable_efuse_data_write(hw,
 897                                                             *efuse_addr + 1,
 898                                                             tmp_pkt.word_en,
 899                                                             originaldata);
 900
 901                         if (0x0F != (badworden & 0x0F)) {
 902                                 u8 reorg_offset = tmp_pkt.offset;
 903                                 u8 reorg_worden = badworden;
 904
 905                                 efuse_pg_packet_write(hw, reorg_offset,
 906                                                       reorg_worden,
 907                                                       originaldata);
 908                                 *efuse_addr = efuse_get_current_size(hw);
 909                         } else {
 910                                 *efuse_addr = *efuse_addr +
 911                                               (tmp_word_cnts * 2) + 1;
 912                         }
 913                 } else {
 914                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 915                 }
 916
 917                 *write_state = PG_STATE_HEADER;
 918                 *repeat_times += 1;
 919                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 920                         *continual = false;
 921                         *result = false;
 922                 }
 923
 924                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 925                         "efuse PG_STATE_HEADER-2\n");
 926         }
 927 }
 928
 929 static int efuse_pg_packet_write(struct ieee80211_hw *hw,
 930                                  u8 offset, u8 word_en, u8 *data)
 931 {
 932         struct rtl_priv *rtlpriv = rtl_priv(hw);
 933         struct pgpkt_struct target_pkt;
 934         u8 write_state = PG_STATE_HEADER;
 935         int continual = true, dataempty = true, result = true;
 936         u16 efuse_addr = 0;
 937         u8 efuse_data;
 938         u8 target_word_cnts = 0;
 939         u8 badworden = 0x0F;
 940         static int repeat_times;
 941
 942         if (efuse_get_current_size(hw) >= (EFUSE_MAX_SIZE -
 943                 rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
 944                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 945                         "efuse_pg_packet_write error\n");
 946                 return false;
 947         }
 948
 949         target_pkt.offset = offset;
 950         target_pkt.word_en = word_en;
 951
 952         memset(target_pkt.data, 0xFF,  8 * sizeof(u8));
 953
 954         efuse_word_enable_data_read(word_en, data, target_pkt.data);
 955         target_word_cnts = efuse_calculate_word_cnts(target_pkt.word_en);
 956
 957         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, "efuse Power ON\n");
 958
 959         while (continual && (efuse_addr < (EFUSE_MAX_SIZE -
 960                 rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))) {
 961                 if (write_state == PG_STATE_HEADER) {
 962                         dataempty = true;
 963                         badworden = 0x0F;
 964                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 965                                 "efuse PG_STATE_HEADER\n");
 966
 967                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
 968                             (efuse_data != 0xFF))
 969                                 efuse_write_data_case1(hw, &efuse_addr,
 970                                                        efuse_data, offset,
 971                                                        &continual,
 972                                                        &write_state,
 973                                                        &target_pkt,
 974                                                        &repeat_times, &result,
 975                                                        word_en);
 976                         else
 977                                 efuse_write_data_case2(hw, &efuse_addr,
 978                                                        &continual,
 979                                                        &write_state,
 980                                                        target_pkt,
 981                                                        &repeat_times,
 982                                                        &result);
 983
 984                 } else if (write_state == PG_STATE_DATA) {
 985                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 986                                 "efuse PG_STATE_DATA\n");
 987                         badworden =
 988                             enable_efuse_data_write(hw, efuse_addr + 1,
 989                                                     target_pkt.word_en,
 990                                                     target_pkt.data);
 991
 992                         if ((badworden & 0x0F) == 0x0F) {
 993                                 continual = false;
 994                         } else {
 995                                 efuse_addr =
 996                                     efuse_addr + (2 * target_word_cnts) + 1;
 997
 998                                 target_pkt.offset = offset;
 999                                 target_pkt.word_en = badworden;
1000                                 target_word_cnts =
1001                                     efuse_calculate_word_cnts(target_pkt.
1002                                                               word_en);
1003                                 write_state = PG_STATE_HEADER;
1004                                 repeat_times++;
1005                                 if (repeat_times > EFUSE_REPEAT_THRESHOLD_) {
1006                                         continual = false;
1007                                         result = false;
1008                                 }
1009                                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
1010                                         "efuse PG_STATE_HEADER-3\n");
1011                         }
1012                 }
1013         }
1014
1015         if (efuse_addr >= (EFUSE_MAX_SIZE -
1016                 rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
1017                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1018                          "efuse_addr(%#x) Out of size!!\n", efuse_addr);
1019         }
1020
1021         return true;
1022 }
1023
1024 static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
1025                                         u8 *targetdata)
1026 {
1027         if (!(word_en & BIT(0))) {
1028                 targetdata[0] = sourdata[0];
1029                 targetdata[1] = sourdata[1];
1030         }
1031
1032         if (!(word_en & BIT(1))) {
1033                 targetdata[2] = sourdata[2];
1034                 targetdata[3] = sourdata[3];
1035         }
1036
1037         if (!(word_en & BIT(2))) {
1038                 targetdata[4] = sourdata[4];
1039                 targetdata[5] = sourdata[5];
1040         }
1041
1042         if (!(word_en & BIT(3))) {
1043                 targetdata[6] = sourdata[6];
1044                 targetdata[7] = sourdata[7];
1045         }
1046 }
1047
1048 static u8 enable_efuse_data_write(struct ieee80211_hw *hw,
1049                                   u16 efuse_addr, u8 word_en, u8 *data)
1050 {
1051         struct rtl_priv *rtlpriv = rtl_priv(hw);
1052         u16 tmpaddr;
1053         u16 start_addr = efuse_addr;
1054         u8 badworden = 0x0F;
1055         u8 tmpdata[8];
1056
1057         memset(tmpdata, 0xff, PGPKT_DATA_SIZE);
1058         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1059                  "word_en = %x efuse_addr=%x\n", word_en, efuse_addr);
1060
1061         if (!(word_en & BIT(0))) {
1062                 tmpaddr = start_addr;
1063                 efuse_one_byte_write(hw, start_addr++, data[0]);
1064                 efuse_one_byte_write(hw, start_addr++, data[1]);
1065
1066                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[0]);
1067                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[1]);
1068                 if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1]))
1069                         badworden &= (~BIT(0));
1070         }
1071
1072         if (!(word_en & BIT(1))) {
1073                 tmpaddr = start_addr;
1074                 efuse_one_byte_write(hw, start_addr++, data[2]);
1075                 efuse_one_byte_write(hw, start_addr++, data[3]);
1076
1077                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[2]);
1078                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[3]);
1079                 if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3]))
1080                         badworden &= (~BIT(1));
1081         }
1082
1083         if (!(word_en & BIT(2))) {
1084                 tmpaddr = start_addr;
1085                 efuse_one_byte_write(hw, start_addr++, data[4]);
1086                 efuse_one_byte_write(hw, start_addr++, data[5]);
1087
1088                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[4]);
1089                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[5]);
1090                 if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5]))
1091                         badworden &= (~BIT(2));
1092         }
1093
1094         if (!(word_en & BIT(3))) {
1095                 tmpaddr = start_addr;
1096                 efuse_one_byte_write(hw, start_addr++, data[6]);
1097                 efuse_one_byte_write(hw, start_addr++, data[7]);
1098
1099                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[6]);
1100                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[7]);
1101                 if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7]))
1102                         badworden &= (~BIT(3));
1103         }
1104
1105         return badworden;
1106 }
1107
1108 void efuse_power_switch(struct ieee80211_hw *hw, u8 write, u8 pwrstate)
1109 {
1110         struct rtl_priv *rtlpriv = rtl_priv(hw);
1111         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1112         u8 tempval;
1113         u16 tmpv16;
1114
1115         if (pwrstate && (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE)) {
1116                 if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192CE &&
1117                     rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE) {
1118                         rtl_write_byte(rtlpriv,
1119                                        rtlpriv->cfg->maps[EFUSE_ACCESS], 0x69);
1120                 } else {
1121                         tmpv16 =
1122                           rtl_read_word(rtlpriv,
1123                                         rtlpriv->cfg->maps[SYS_ISO_CTRL]);
1124                         if (!(tmpv16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
1125                                 tmpv16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V];
1126                                 rtl_write_word(rtlpriv,
1127                                                rtlpriv->cfg->maps[SYS_ISO_CTRL],
1128                                                tmpv16);
1129                         }
1130                 }
1131                 tmpv16 = rtl_read_word(rtlpriv,
1132                                        rtlpriv->cfg->maps[SYS_FUNC_EN]);
1133                 if (!(tmpv16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) {
1134                         tmpv16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR];
1135                         rtl_write_word(rtlpriv,
1136                                        rtlpriv->cfg->maps[SYS_FUNC_EN], tmpv16);
1137                 }
1138
1139                 tmpv16 = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_CLK]);
1140                 if ((!(tmpv16 & rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN])) ||
1141                     (!(tmpv16 & rtlpriv->cfg->maps[EFUSE_ANA8M]))) {
1142                         tmpv16 |= (rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN] |
1143                                    rtlpriv->cfg->maps[EFUSE_ANA8M]);
1144                         rtl_write_word(rtlpriv,
1145                                        rtlpriv->cfg->maps[SYS_CLK], tmpv16);
1146                 }
1147         }
1148
1149         if (pwrstate) {
1150                 if (write) {
1151                         tempval = rtl_read_byte(rtlpriv,
1152                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1153                                                 3);
1154
1155                         if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
1156                                 tempval &= ~(BIT(3) | BIT(4) | BIT(5) | BIT(6));
1157                                 tempval |= (VOLTAGE_V25 << 3);
1158                         } else if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE) {
1159                                 tempval &= 0x0F;
1160                                 tempval |= (VOLTAGE_V25 << 4);
1161                         }
1162
1163                         rtl_write_byte(rtlpriv,
1164                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1165                                        (tempval | 0x80));
1166                 }
1167
1168                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1169                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1170                                        0x03);
1171                 }
1172         } else {
1173                 if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192CE &&
1174                     rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE)
1175                         rtl_write_byte(rtlpriv,
1176                                        rtlpriv->cfg->maps[EFUSE_ACCESS], 0);
1177
1178                 if (write) {
1179                         tempval = rtl_read_byte(rtlpriv,
1180                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1181                                                 3);
1182                         rtl_write_byte(rtlpriv,
1183                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1184                                        (tempval & 0x7F));
1185                 }
1186
1187                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1188                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1189                                        0x02);
1190                 }
1191         }
1192 }
1193 EXPORT_SYMBOL(efuse_power_switch);
1194
1195 static u16 efuse_get_current_size(struct ieee80211_hw *hw)
1196 {
1197         int continual = true;
1198         u16 efuse_addr = 0;
1199         u8 hoffset, hworden;
1200         u8 efuse_data, word_cnts;
1201
1202         while (continual && efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
1203                (efuse_addr < EFUSE_MAX_SIZE)) {
1204                 if (efuse_data != 0xFF) {
1205                         hoffset = (efuse_data >> 4) & 0x0F;
1206                         hworden = efuse_data & 0x0F;
1207                         word_cnts = efuse_calculate_word_cnts(hworden);
1208                         efuse_addr = efuse_addr + (word_cnts * 2) + 1;
1209                 } else {
1210                         continual = false;
1211                 }
1212         }
1213
1214         return efuse_addr;
1215 }
1216
1217 static u8 efuse_calculate_word_cnts(u8 word_en)
1218 {
1219         u8 word_cnts = 0;
1220
1221         if (!(word_en & BIT(0)))
1222                 word_cnts++;
1223         if (!(word_en & BIT(1)))
1224                 word_cnts++;
1225         if (!(word_en & BIT(2)))
1226                 word_cnts++;
1227         if (!(word_en & BIT(3)))
1228                 word_cnts++;
1229         return word_cnts;
1230 }
1231
1232 int rtl_get_hwinfo(struct ieee80211_hw *hw, struct rtl_priv *rtlpriv,
1233                    int max_size, u8 *hwinfo, int *params)
1234 {
1235         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1236         struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
1237         struct device *dev = &rtlpcipriv->dev.pdev->dev;
1238         u16 eeprom_id;
1239         u16 i, usvalue;
1240
1241         switch (rtlefuse->epromtype) {
1242         case EEPROM_BOOT_EFUSE:
1243                 rtl_efuse_shadow_map_update(hw);
1244                 break;
1245
1246         case EEPROM_93C46:
1247                 pr_err("RTL8XXX did not boot from eeprom, check it !!\n");
1248                 return 1;
1249
1250         default:
1251                 dev_warn(dev, "no efuse data\n");
1252                 return 1;
1253         }
1254
1255         memcpy(hwinfo, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0], max_size);
1256
1257         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "MAP",
1258                       hwinfo, max_size);
1259
1260         eeprom_id = *((u16 *)&hwinfo[0]);
1261         if (eeprom_id != params[0]) {
1262                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1263                          "EEPROM ID(%#x) is invalid!!\n", eeprom_id);
1264                 rtlefuse->autoload_failflag = true;
1265         } else {
1266                 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "Autoload OK\n");
1267                 rtlefuse->autoload_failflag = false;
1268         }
1269
1270         if (rtlefuse->autoload_failflag)
1271                 return 1;
1272
1273         rtlefuse->eeprom_vid = *(u16 *)&hwinfo[params[1]];
1274         rtlefuse->eeprom_did = *(u16 *)&hwinfo[params[2]];
1275         rtlefuse->eeprom_svid = *(u16 *)&hwinfo[params[3]];
1276         rtlefuse->eeprom_smid = *(u16 *)&hwinfo[params[4]];
1277         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1278                  "EEPROMId = 0x%4x\n", eeprom_id);
1279         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1280                  "EEPROM VID = 0x%4x\n", rtlefuse->eeprom_vid);
1281         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1282                  "EEPROM DID = 0x%4x\n", rtlefuse->eeprom_did);
1283         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1284                  "EEPROM SVID = 0x%4x\n", rtlefuse->eeprom_svid);
1285         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1286                  "EEPROM SMID = 0x%4x\n", rtlefuse->eeprom_smid);
1287
1288         for (i = 0; i < 6; i += 2) {
1289                 usvalue = *(u16 *)&hwinfo[params[5] + i];
1290                 *((u16 *)(&rtlefuse->dev_addr[i])) = usvalue;
1291         }
1292         RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "%pM\n", rtlefuse->dev_addr);
1293
1294         rtlefuse->eeprom_channelplan = *&hwinfo[params[6]];
1295         rtlefuse->eeprom_version = *(u16 *)&hwinfo[params[7]];
1296         rtlefuse->txpwr_fromeprom = true;
1297         rtlefuse->eeprom_oemid = *&hwinfo[params[8]];
1298
1299         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1300                  "EEPROM Customer ID: 0x%2x\n", rtlefuse->eeprom_oemid);
1301
1302         /* set channel plan to world wide 13 */
1303         rtlefuse->channel_plan = params[9];
1304
1305         return 0;
1306 }
1307 EXPORT_SYMBOL_GPL(rtl_get_hwinfo);
1308
1309 void rtl_fw_block_write(struct ieee80211_hw *hw, const u8 *buffer, u32 size)
1310 {
1311         struct rtl_priv *rtlpriv = rtl_priv(hw);
1312         u8 *pu4byteptr = (u8 *)buffer;
1313         u32 i;
1314
1315         for (i = 0; i < size; i++)
1316                 rtl_write_byte(rtlpriv, (START_ADDRESS + i), *(pu4byteptr + i));
1317 }
1318 EXPORT_SYMBOL_GPL(rtl_fw_block_write);
1319
1320 void rtl_fw_page_write(struct ieee80211_hw *hw, u32 page, const u8 *buffer,
1321                        u32 size)
1322 {
1323         struct rtl_priv *rtlpriv = rtl_priv(hw);
1324         u8 value8;
1325         u8 u8page = (u8)(page & 0x07);
1326
1327         value8 = (rtl_read_byte(rtlpriv, REG_MCUFWDL + 2) & 0xF8) | u8page;
1328
1329         rtl_write_byte(rtlpriv, (REG_MCUFWDL + 2), value8);
1330         rtl_fw_block_write(hw, buffer, size);
1331 }
1332 EXPORT_SYMBOL_GPL(rtl_fw_page_write);
1333
1334 void rtl_fill_dummy(u8 *pfwbuf, u32 *pfwlen)
1335 {
1336         u32 fwlen = *pfwlen;
1337         u8 remain = (u8)(fwlen % 4);
1338
1339         remain = (remain == 0) ? 0 : (4 - remain);
1340
1341         while (remain > 0) {
1342                 pfwbuf[fwlen] = 0;
1343                 fwlen++;
1344                 remain--;
1345         }
1346
1347         *pfwlen = fwlen;
1348 }
1349 EXPORT_SYMBOL_GPL(rtl_fill_dummy);
1350
1351 void rtl_efuse_ops_init(struct ieee80211_hw *hw)
1352 {
1353         struct rtl_priv *rtlpriv = rtl_priv(hw);
1354
1355         rtlpriv->efuse.efuse_ops = &efuse_ops;
1356 }
1357 EXPORT_SYMBOL_GPL(rtl_efuse_ops_init);