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

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2009-2012  Realtek Corporation.
   4  *
   5  * Tmis program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * Tmis program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * Tme full GNU General Public License is included in this distribution in the
  15  * file called LICENSE.
  16  *
  17  * Contact Information:
  18  * wlanfae <wlanfae@realtek.com>
  19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  20  * Hsinchu 300, Taiwan.
  21  *
  22  * Larry Finger <Larry.Finger@lwfinger.net>
  23  *
  24  *****************************************************************************/
  25 #include "wifi.h"
  26 #include "efuse.h"
  27 #include "pci.h"
  28 #include <linux/export.h>
  29
  30 static const u8 MAX_PGPKT_SIZE = 9;
  31 static const u8 PGPKT_DATA_SIZE = 8;
  32 static const int EFUSE_MAX_SIZE = 512;
  33
  34 #define START_ADDRESS           0x1000
  35 #define REG_MCUFWDL             0x0080
  36
  37 static const struct efuse_map RTL8712_SDIO_EFUSE_TABLE[] = {
  38         {0, 0, 0, 2},
  39         {0, 1, 0, 2},
  40         {0, 2, 0, 2},
  41         {1, 0, 0, 1},
  42         {1, 0, 1, 1},
  43         {1, 1, 0, 1},
  44         {1, 1, 1, 3},
  45         {1, 3, 0, 17},
  46         {3, 3, 1, 48},
  47         {10, 0, 0, 6},
  48         {10, 3, 0, 1},
  49         {10, 3, 1, 1},
  50         {11, 0, 0, 28}
  51 };
  52
  53 static const struct rtl_efuse_ops efuse_ops = {
  54         .efuse_onebyte_read = efuse_one_byte_read,
  55         .efuse_logical_map_read = efuse_shadow_read,
  56 };
  57
  58 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw, u16 offset,
  59                                     u8 *value);
  60 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw, u16 offset,
  61                                     u16 *value);
  62 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw, u16 offset,
  63                                     u32 *value);
  64 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw, u16 offset,
  65                                      u8 value);
  66 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw, u16 offset,
  67                                      u16 value);
  68 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw, u16 offset,
  69                                      u32 value);
  70 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr,
  71                                 u8 data);
  72 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse);
  73 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset,
  74                                 u8 *data);
  75 static int efuse_pg_packet_write(struct ieee80211_hw *hw, u8 offset,
  76                                  u8 word_en, u8 *data);
  77 static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
  78                                         u8 *targetdata);
  79 static u8 enable_efuse_data_write(struct ieee80211_hw *hw,
  80                                   u16 efuse_addr, u8 word_en, u8 *data);
  81 static u16 efuse_get_current_size(struct ieee80211_hw *hw);
  82 static u8 efuse_calculate_word_cnts(u8 word_en);
  83
  84 void efuse_initialize(struct ieee80211_hw *hw)
  85 {
  86         struct rtl_priv *rtlpriv = rtl_priv(hw);
  87         u8 bytetemp;
  88         u8 temp;
  89
  90         bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1);
  91         temp = bytetemp | 0x20;
  92         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1, temp);
  93
  94         bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1);
  95         temp = bytetemp & 0xFE;
  96         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1, temp);
  97
  98         bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3);
  99         temp = bytetemp | 0x80;
 100         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3, temp);
 101
 102         rtl_write_byte(rtlpriv, 0x2F8, 0x3);
 103
 104         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
 105
 106 }
 107
 108 u8 efuse_read_1byte(struct ieee80211_hw *hw, u16 address)
 109 {
 110         struct rtl_priv *rtlpriv = rtl_priv(hw);
 111         u8 data;
 112         u8 bytetemp;
 113         u8 temp;
 114         u32 k = 0;
 115         const u32 efuse_len =
 116                 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
 117
 118         if (address < efuse_len) {
 119                 temp = address & 0xFF;
 120                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 121                                temp);
 122                 bytetemp = rtl_read_byte(rtlpriv,
 123                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
 124                 temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
 125                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 126                                temp);
 127
 128                 bytetemp = rtl_read_byte(rtlpriv,
 129                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 130                 temp = bytetemp & 0x7F;
 131                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
 132                                temp);
 133
 134                 bytetemp = rtl_read_byte(rtlpriv,
 135                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 136                 while (!(bytetemp & 0x80)) {
 137                         bytetemp = rtl_read_byte(rtlpriv,
 138                                                  rtlpriv->cfg->
 139                                                  maps[EFUSE_CTRL] + 3);
 140                         k++;
 141                         if (k == 1000) {
 142                                 k = 0;
 143                                 break;
 144                         }
 145                 }
 146                 data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 147                 return data;
 148         } else
 149                 return 0xFF;
 150
 151 }
 152 EXPORT_SYMBOL(efuse_read_1byte);
 153
 154 void efuse_write_1byte(struct ieee80211_hw *hw, u16 address, u8 value)
 155 {
 156         struct rtl_priv *rtlpriv = rtl_priv(hw);
 157         u8 bytetemp;
 158         u8 temp;
 159         u32 k = 0;
 160         const u32 efuse_len =
 161                 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
 162
 163         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "Addr=%x Data =%x\n",
 164                  address, value);
 165
 166         if (address < efuse_len) {
 167                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], value);
 168
 169                 temp = address & 0xFF;
 170                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 171                                temp);
 172                 bytetemp = rtl_read_byte(rtlpriv,
 173                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
 174
 175                 temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
 176                 rtl_write_byte(rtlpriv,
 177                                rtlpriv->cfg->maps[EFUSE_CTRL] + 2, temp);
 178
 179                 bytetemp = rtl_read_byte(rtlpriv,
 180                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 181                 temp = bytetemp | 0x80;
 182                 rtl_write_byte(rtlpriv,
 183                                rtlpriv->cfg->maps[EFUSE_CTRL] + 3, temp);
 184
 185                 bytetemp = rtl_read_byte(rtlpriv,
 186                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 187
 188                 while (bytetemp & 0x80) {
 189                         bytetemp = rtl_read_byte(rtlpriv,
 190                                                  rtlpriv->cfg->
 191                                                  maps[EFUSE_CTRL] + 3);
 192                         k++;
 193                         if (k == 100) {
 194                                 k = 0;
 195                                 break;
 196                         }
 197                 }
 198         }
 199
 200 }
 201
 202 void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset, u8 *pbuf)
 203 {
 204         struct rtl_priv *rtlpriv = rtl_priv(hw);
 205         u32 value32;
 206         u8 readbyte;
 207         u16 retry;
 208
 209         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 210                        (_offset & 0xff));
 211         readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
 212         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 213                        ((_offset >> 8) & 0x03) | (readbyte & 0xfc));
 214
 215         readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 216         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
 217                        (readbyte & 0x7f));
 218
 219         retry = 0;
 220         value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 221         while (!(((value32 >> 24) & 0xff) & 0x80) && (retry < 10000)) {
 222                 value32 = rtl_read_dword(rtlpriv,
 223                                          rtlpriv->cfg->maps[EFUSE_CTRL]);
 224                 retry++;
 225         }
 226
 227         udelay(50);
 228         value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 229
 230         *pbuf = (u8) (value32 & 0xff);
 231 }
 232 EXPORT_SYMBOL_GPL(read_efuse_byte);
 233
 234 void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
 235 {
 236         struct rtl_priv *rtlpriv = rtl_priv(hw);
 237         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 238         u8 *efuse_tbl;
 239         u8 rtemp8[1];
 240         u16 efuse_addr = 0;
 241         u8 offset, wren;
 242         u8 u1temp = 0;
 243         u16 i;
 244         u16 j;
 245         const u16 efuse_max_section =
 246                 rtlpriv->cfg->maps[EFUSE_MAX_SECTION_MAP];
 247         const u32 efuse_len =
 248                 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
 249         u16 **efuse_word;
 250         u16 efuse_utilized = 0;
 251         u8 efuse_usage;
 252
 253         if ((_offset + _size_byte) > rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]) {
 254                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 255                          "read_efuse(): Invalid offset(%#x) with read bytes(%#x)!!\n",
 256                          _offset, _size_byte);
 257                 return;
 258         }
 259
 260         /* allocate memory for efuse_tbl and efuse_word */
 261         efuse_tbl = kzalloc(rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE],
 262                             GFP_ATOMIC);
 263         if (!efuse_tbl)
 264                 return;
 265         efuse_word = kcalloc(EFUSE_MAX_WORD_UNIT, sizeof(u16 *), GFP_ATOMIC);
 266         if (!efuse_word)
 267                 goto out;
 268         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
 269                 efuse_word[i] = kcalloc(efuse_max_section, sizeof(u16),
 270                                         GFP_ATOMIC);
 271                 if (!efuse_word[i])
 272                         goto done;
 273         }
 274
 275         for (i = 0; i < efuse_max_section; i++)
 276                 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++)
 277                         efuse_word[j][i] = 0xFFFF;
 278
 279         read_efuse_byte(hw, efuse_addr, rtemp8);
 280         if (*rtemp8 != 0xFF) {
 281                 efuse_utilized++;
 282                 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 283                         "Addr=%d\n", efuse_addr);
 284                 efuse_addr++;
 285         }
 286
 287         while ((*rtemp8 != 0xFF) && (efuse_addr < efuse_len)) {
 288                 /*  Check PG header for section num.  */
 289                 if ((*rtemp8 & 0x1F) == 0x0F) {/* extended header */
 290                         u1temp = ((*rtemp8 & 0xE0) >> 5);
 291                         read_efuse_byte(hw, efuse_addr, rtemp8);
 292
 293                         if ((*rtemp8 & 0x0F) == 0x0F) {
 294                                 efuse_addr++;
 295                                 read_efuse_byte(hw, efuse_addr, rtemp8);
 296
 297                                 if (*rtemp8 != 0xFF &&
 298                                     (efuse_addr < efuse_len)) {
 299                                         efuse_addr++;
 300                                 }
 301                                 continue;
 302                         } else {
 303                                 offset = ((*rtemp8 & 0xF0) >> 1) | u1temp;
 304                                 wren = (*rtemp8 & 0x0F);
 305                                 efuse_addr++;
 306                         }
 307                 } else {
 308                         offset = ((*rtemp8 >> 4) & 0x0f);
 309                         wren = (*rtemp8 & 0x0f);
 310                 }
 311
 312                 if (offset < efuse_max_section) {
 313                         RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 314                                 "offset-%d Worden=%x\n", offset, wren);
 315
 316                         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
 317                                 if (!(wren & 0x01)) {
 318                                         RTPRINT(rtlpriv, FEEPROM,
 319                                                 EFUSE_READ_ALL,
 320                                                 "Addr=%d\n", efuse_addr);
 321
 322                                         read_efuse_byte(hw, efuse_addr, rtemp8);
 323                                         efuse_addr++;
 324                                         efuse_utilized++;
 325                                         efuse_word[i][offset] =
 326                                                          (*rtemp8 & 0xff);
 327
 328                                         if (efuse_addr >= efuse_len)
 329                                                 break;
 330
 331                                         RTPRINT(rtlpriv, FEEPROM,
 332                                                 EFUSE_READ_ALL,
 333                                                 "Addr=%d\n", efuse_addr);
 334
 335                                         read_efuse_byte(hw, efuse_addr, rtemp8);
 336                                         efuse_addr++;
 337                                         efuse_utilized++;
 338                                         efuse_word[i][offset] |=
 339                                             (((u16)*rtemp8 << 8) & 0xff00);
 340
 341                                         if (efuse_addr >= efuse_len)
 342                                                 break;
 343                                 }
 344
 345                                 wren >>= 1;
 346                         }
 347                 }
 348
 349                 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 350                         "Addr=%d\n", efuse_addr);
 351                 read_efuse_byte(hw, efuse_addr, rtemp8);
 352                 if (*rtemp8 != 0xFF && (efuse_addr < efuse_len)) {
 353                         efuse_utilized++;
 354                         efuse_addr++;
 355                 }
 356         }
 357
 358         for (i = 0; i < efuse_max_section; i++) {
 359                 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++) {
 360                         efuse_tbl[(i * 8) + (j * 2)] =
 361                             (efuse_word[j][i] & 0xff);
 362                         efuse_tbl[(i * 8) + ((j * 2) + 1)] =
 363                             ((efuse_word[j][i] >> 8) & 0xff);
 364                 }
 365         }
 366
 367         for (i = 0; i < _size_byte; i++)
 368                 pbuf[i] = efuse_tbl[_offset + i];
 369
 370         rtlefuse->efuse_usedbytes = efuse_utilized;
 371         efuse_usage = (u8) ((efuse_utilized * 100) / efuse_len);
 372         rtlefuse->efuse_usedpercentage = efuse_usage;
 373         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_BYTES,
 374                                       (u8 *)&efuse_utilized);
 375         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_USAGE,
 376                                       &efuse_usage);
 377 done:
 378         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++)
 379                 kfree(efuse_word[i]);
 380         kfree(efuse_word);
 381 out:
 382         kfree(efuse_tbl);
 383 }
 384
 385 bool efuse_shadow_update_chk(struct ieee80211_hw *hw)
 386 {
 387         struct rtl_priv *rtlpriv = rtl_priv(hw);
 388         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 389         u8 section_idx, i, Base;
 390         u16 words_need = 0, hdr_num = 0, totalbytes, efuse_used;
 391         bool wordchanged, result = true;
 392
 393         for (section_idx = 0; section_idx < 16; section_idx++) {
 394                 Base = section_idx * 8;
 395                 wordchanged = false;
 396
 397                 for (i = 0; i < 8; i = i + 2) {
 398                         if ((rtlefuse->efuse_map[EFUSE_INIT_MAP][Base + i] !=
 399                              rtlefuse->efuse_map[EFUSE_MODIFY_MAP][Base + i]) ||
 400                             (rtlefuse->efuse_map[EFUSE_INIT_MAP][Base + i + 1] !=
 401                              rtlefuse->efuse_map[EFUSE_MODIFY_MAP][Base + i +
 402                                                                    1])) {
 403                                 words_need++;
 404                                 wordchanged = true;
 405                         }
 406                 }
 407
 408                 if (wordchanged)
 409                         hdr_num++;
 410         }
 411
 412         totalbytes = hdr_num + words_need * 2;
 413         efuse_used = rtlefuse->efuse_usedbytes;
 414
 415         if ((totalbytes + efuse_used) >=
 416             (EFUSE_MAX_SIZE - rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))
 417                 result = false;
 418
 419         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 420                  "efuse_shadow_update_chk(): totalbytes(%#x), hdr_num(%#x), words_need(%#x), efuse_used(%d)\n",
 421                  totalbytes, hdr_num, words_need, efuse_used);
 422
 423         return result;
 424 }
 425
 426 void efuse_shadow_read(struct ieee80211_hw *hw, u8 type,
 427                        u16 offset, u32 *value)
 428 {
 429         if (type == 1)
 430                 efuse_shadow_read_1byte(hw, offset, (u8 *)value);
 431         else if (type == 2)
 432                 efuse_shadow_read_2byte(hw, offset, (u16 *)value);
 433         else if (type == 4)
 434                 efuse_shadow_read_4byte(hw, offset, value);
 435
 436 }
 437 EXPORT_SYMBOL(efuse_shadow_read);
 438
 439 void efuse_shadow_write(struct ieee80211_hw *hw, u8 type, u16 offset,
 440                                 u32 value)
 441 {
 442         if (type == 1)
 443                 efuse_shadow_write_1byte(hw, offset, (u8) value);
 444         else if (type == 2)
 445                 efuse_shadow_write_2byte(hw, offset, (u16) value);
 446         else if (type == 4)
 447                 efuse_shadow_write_4byte(hw, offset, value);
 448
 449 }
 450
 451 bool efuse_shadow_update(struct ieee80211_hw *hw)
 452 {
 453         struct rtl_priv *rtlpriv = rtl_priv(hw);
 454         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 455         u16 i, offset, base;
 456         u8 word_en = 0x0F;
 457         u8 first_pg = false;
 458
 459         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n");
 460
 461         if (!efuse_shadow_update_chk(hw)) {
 462                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 463                 memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 464                        &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 465                        rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 466
 467                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 468                          "efuse out of capacity!!\n");
 469                 return false;
 470         }
 471         efuse_power_switch(hw, true, true);
 472
 473         for (offset = 0; offset < 16; offset++) {
 474
 475                 word_en = 0x0F;
 476                 base = offset * 8;
 477
 478                 for (i = 0; i < 8; i++) {
 479                         if (first_pg) {
 480                                 word_en &= ~(BIT(i / 2));
 481
 482                                 rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 483                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 484                         } else {
 485
 486                                 if (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
 487                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) {
 488                                         word_en &= ~(BIT(i / 2));
 489
 490                                         rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 491                                             rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 492                                 }
 493                         }
 494                 }
 495
 496                 if (word_en != 0x0F) {
 497                         u8 tmpdata[8];
 498                         memcpy(tmpdata,
 499                                &rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base],
 500                                8);
 501                         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD,
 502                                       "U-efuse\n", tmpdata, 8);
 503
 504                         if (!efuse_pg_packet_write(hw, (u8) offset, word_en,
 505                                                    tmpdata)) {
 506                                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 507                                          "PG section(%#x) fail!!\n", offset);
 508                                 break;
 509                         }
 510                 }
 511
 512         }
 513
 514         efuse_power_switch(hw, true, false);
 515         efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 516
 517         memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 518                &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 519                rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 520
 521         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n");
 522         return true;
 523 }
 524
 525 void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw)
 526 {
 527         struct rtl_priv *rtlpriv = rtl_priv(hw);
 528         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 529
 530         if (rtlefuse->autoload_failflag)
 531                 memset((&rtlefuse->efuse_map[EFUSE_INIT_MAP][0]),
 532                        0xFF, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 533         else
 534                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 535
 536         memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 537                         &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 538                         rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 539
 540 }
 541 EXPORT_SYMBOL(rtl_efuse_shadow_map_update);
 542
 543 void efuse_force_write_vendor_Id(struct ieee80211_hw *hw)
 544 {
 545         u8 tmpdata[8] = { 0xFF, 0xFF, 0xEC, 0x10, 0xFF, 0xFF, 0xFF, 0xFF };
 546
 547         efuse_power_switch(hw, true, true);
 548
 549         efuse_pg_packet_write(hw, 1, 0xD, tmpdata);
 550
 551         efuse_power_switch(hw, true, false);
 552
 553 }
 554
 555 void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx)
 556 {
 557 }
 558
 559 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw,
 560                                     u16 offset, u8 *value)
 561 {
 562         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 563         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 564 }
 565
 566 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw,
 567                                     u16 offset, u16 *value)
 568 {
 569         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 570
 571         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 572         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 573
 574 }
 575
 576 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw,
 577                                     u16 offset, u32 *value)
 578 {
 579         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 580
 581         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 582         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 583         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] << 16;
 584         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] << 24;
 585 }
 586
 587 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw,
 588                                      u16 offset, u8 value)
 589 {
 590         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 591
 592         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value;
 593 }
 594
 595 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw,
 596                                      u16 offset, u16 value)
 597 {
 598         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 599
 600         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value & 0x00FF;
 601         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] = value >> 8;
 602
 603 }
 604
 605 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw,
 606                                      u16 offset, u32 value)
 607 {
 608         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 609
 610         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] =
 611             (u8) (value & 0x000000FF);
 612         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] =
 613             (u8) ((value >> 8) & 0x0000FF);
 614         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] =
 615             (u8) ((value >> 16) & 0x00FF);
 616         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] =
 617             (u8) ((value >> 24) & 0xFF);
 618
 619 }
 620
 621 int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, u8 *data)
 622 {
 623         struct rtl_priv *rtlpriv = rtl_priv(hw);
 624         u8 tmpidx = 0;
 625         int result;
 626
 627         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 628                        (u8) (addr & 0xff));
 629         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 630                        ((u8) ((addr >> 8) & 0x03)) |
 631                        (rtl_read_byte(rtlpriv,
 632                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 2) &
 633                         0xFC));
 634
 635         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
 636
 637         while (!(0x80 & rtl_read_byte(rtlpriv,
 638                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
 639                && (tmpidx < 100)) {
 640                 tmpidx++;
 641         }
 642
 643         if (tmpidx < 100) {
 644                 *data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 645                 result = true;
 646         } else {
 647                 *data = 0xff;
 648                 result = false;
 649         }
 650         return result;
 651 }
 652 EXPORT_SYMBOL(efuse_one_byte_read);
 653
 654 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data)
 655 {
 656         struct rtl_priv *rtlpriv = rtl_priv(hw);
 657         u8 tmpidx = 0;
 658
 659         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 660                  "Addr = %x Data=%x\n", addr, data);
 661
 662         rtl_write_byte(rtlpriv,
 663                        rtlpriv->cfg->maps[EFUSE_CTRL] + 1, (u8) (addr & 0xff));
 664         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 665                        (rtl_read_byte(rtlpriv,
 666                          rtlpriv->cfg->maps[EFUSE_CTRL] +
 667                          2) & 0xFC) | (u8) ((addr >> 8) & 0x03));
 668
 669         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], data);
 670         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0xF2);
 671
 672         while ((0x80 & rtl_read_byte(rtlpriv,
 673                                      rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
 674                && (tmpidx < 100)) {
 675                 tmpidx++;
 676         }
 677
 678         if (tmpidx < 100)
 679                 return true;
 680         return false;
 681 }
 682
 683 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse)
 684 {
 685         struct rtl_priv *rtlpriv = rtl_priv(hw);
 686         efuse_power_switch(hw, false, true);
 687         read_efuse(hw, 0, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE], efuse);
 688         efuse_power_switch(hw, false, false);
 689 }
 690
 691 static void efuse_read_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 692                                 u8 efuse_data, u8 offset, u8 *tmpdata,
 693                                 u8 *readstate)
 694 {
 695         bool dataempty = true;
 696         u8 hoffset;
 697         u8 tmpidx;
 698         u8 hworden;
 699         u8 word_cnts;
 700
 701         hoffset = (efuse_data >> 4) & 0x0F;
 702         hworden = efuse_data & 0x0F;
 703         word_cnts = efuse_calculate_word_cnts(hworden);
 704
 705         if (hoffset == offset) {
 706                 for (tmpidx = 0; tmpidx < word_cnts * 2; tmpidx++) {
 707                         if (efuse_one_byte_read(hw, *efuse_addr + 1 + tmpidx,
 708                                                 &efuse_data)) {
 709                                 tmpdata[tmpidx] = efuse_data;
 710                                 if (efuse_data != 0xff)
 711                                         dataempty = false;
 712                         }
 713                 }
 714
 715                 if (!dataempty) {
 716                         *readstate = PG_STATE_DATA;
 717                 } else {
 718                         *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 719                         *readstate = PG_STATE_HEADER;
 720                 }
 721
 722         } else {
 723                 *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 724                 *readstate = PG_STATE_HEADER;
 725         }
 726 }
 727
 728 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data)
 729 {
 730         u8 readstate = PG_STATE_HEADER;
 731
 732         bool continual = true;
 733
 734         u8 efuse_data, word_cnts = 0;
 735         u16 efuse_addr = 0;
 736         u8 tmpdata[8];
 737
 738         if (data == NULL)
 739                 return false;
 740         if (offset > 15)
 741                 return false;
 742
 743         memset(data, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
 744         memset(tmpdata, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
 745
 746         while (continual && (efuse_addr < EFUSE_MAX_SIZE)) {
 747                 if (readstate & PG_STATE_HEADER) {
 748                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data)
 749                             && (efuse_data != 0xFF))
 750                                 efuse_read_data_case1(hw, &efuse_addr,
 751                                                       efuse_data, offset,
 752                                                       tmpdata, &readstate);
 753                         else
 754                                 continual = false;
 755                 } else if (readstate & PG_STATE_DATA) {
 756                         efuse_word_enable_data_read(0, tmpdata, data);
 757                         efuse_addr = efuse_addr + (word_cnts * 2) + 1;
 758                         readstate = PG_STATE_HEADER;
 759                 }
 760
 761         }
 762
 763         if ((data[0] == 0xff) && (data[1] == 0xff) &&
 764             (data[2] == 0xff) && (data[3] == 0xff) &&
 765             (data[4] == 0xff) && (data[5] == 0xff) &&
 766             (data[6] == 0xff) && (data[7] == 0xff))
 767                 return false;
 768         else
 769                 return true;
 770
 771 }
 772
 773 static void efuse_write_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 774                                    u8 efuse_data, u8 offset,
 775                                    int *continual, u8 *write_state,
 776                                    struct pgpkt_struct *target_pkt,
 777                                    int *repeat_times, int *result, u8 word_en)
 778 {
 779         struct rtl_priv *rtlpriv = rtl_priv(hw);
 780         struct pgpkt_struct tmp_pkt;
 781         int dataempty = true;
 782         u8 originaldata[8 * sizeof(u8)];
 783         u8 badworden = 0x0F;
 784         u8 match_word_en, tmp_word_en;
 785         u8 tmpindex;
 786         u8 tmp_header = efuse_data;
 787         u8 tmp_word_cnts;
 788
 789         tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 790         tmp_pkt.word_en = tmp_header & 0x0F;
 791         tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 792
 793         if (tmp_pkt.offset != target_pkt->offset) {
 794                 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 795                 *write_state = PG_STATE_HEADER;
 796         } else {
 797                 for (tmpindex = 0; tmpindex < (tmp_word_cnts * 2); tmpindex++) {
 798                         if (efuse_one_byte_read(hw,
 799                                                 (*efuse_addr + 1 + tmpindex),
 800                                                 &efuse_data) &&
 801                             (efuse_data != 0xFF))
 802                                 dataempty = false;
 803                 }
 804
 805                 if (!dataempty) {
 806                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 807                         *write_state = PG_STATE_HEADER;
 808                 } else {
 809                         match_word_en = 0x0F;
 810                         if (!((target_pkt->word_en & BIT(0)) |
 811                             (tmp_pkt.word_en & BIT(0))))
 812                                 match_word_en &= (~BIT(0));
 813
 814                         if (!((target_pkt->word_en & BIT(1)) |
 815                             (tmp_pkt.word_en & BIT(1))))
 816                                 match_word_en &= (~BIT(1));
 817
 818                         if (!((target_pkt->word_en & BIT(2)) |
 819                             (tmp_pkt.word_en & BIT(2))))
 820                                 match_word_en &= (~BIT(2));
 821
 822                         if (!((target_pkt->word_en & BIT(3)) |
 823                             (tmp_pkt.word_en & BIT(3))))
 824                                 match_word_en &= (~BIT(3));
 825
 826                         if ((match_word_en & 0x0F) != 0x0F) {
 827                                 badworden =
 828                                   enable_efuse_data_write(hw,
 829                                                           *efuse_addr + 1,
 830                                                           tmp_pkt.word_en,
 831                                                           target_pkt->data);
 832
 833                                 if (0x0F != (badworden & 0x0F)) {
 834                                         u8 reorg_offset = offset;
 835                                         u8 reorg_worden = badworden;
 836                                         efuse_pg_packet_write(hw, reorg_offset,
 837                                                               reorg_worden,
 838                                                               originaldata);
 839                                 }
 840
 841                                 tmp_word_en = 0x0F;
 842                                 if ((target_pkt->word_en & BIT(0)) ^
 843                                     (match_word_en & BIT(0)))
 844                                         tmp_word_en &= (~BIT(0));
 845
 846                                 if ((target_pkt->word_en & BIT(1)) ^
 847                                     (match_word_en & BIT(1)))
 848                                         tmp_word_en &= (~BIT(1));
 849
 850                                 if ((target_pkt->word_en & BIT(2)) ^
 851                                     (match_word_en & BIT(2)))
 852                                         tmp_word_en &= (~BIT(2));
 853
 854                                 if ((target_pkt->word_en & BIT(3)) ^
 855                                     (match_word_en & BIT(3)))
 856                                         tmp_word_en &= (~BIT(3));
 857
 858                                 if ((tmp_word_en & 0x0F) != 0x0F) {
 859                                         *efuse_addr = efuse_get_current_size(hw);
 860                                         target_pkt->offset = offset;
 861                                         target_pkt->word_en = tmp_word_en;
 862                                 } else {
 863                                         *continual = false;
 864                                 }
 865                                 *write_state = PG_STATE_HEADER;
 866                                 *repeat_times += 1;
 867                                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 868                                         *continual = false;
 869                                         *result = false;
 870                                 }
 871                         } else {
 872                                 *efuse_addr += (2 * tmp_word_cnts) + 1;
 873                                 target_pkt->offset = offset;
 874                                 target_pkt->word_en = word_en;
 875                                 *write_state = PG_STATE_HEADER;
 876                         }
 877                 }
 878         }
 879         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, "efuse PG_STATE_HEADER-1\n");
 880 }
 881
 882 static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
 883                                    int *continual, u8 *write_state,
 884                                    struct pgpkt_struct target_pkt,
 885                                    int *repeat_times, int *result)
 886 {
 887         struct rtl_priv *rtlpriv = rtl_priv(hw);
 888         struct pgpkt_struct tmp_pkt;
 889         u8 pg_header;
 890         u8 tmp_header;
 891         u8 originaldata[8 * sizeof(u8)];
 892         u8 tmp_word_cnts;
 893         u8 badworden = 0x0F;
 894
 895         pg_header = ((target_pkt.offset << 4) & 0xf0) | target_pkt.word_en;
 896         efuse_one_byte_write(hw, *efuse_addr, pg_header);
 897         efuse_one_byte_read(hw, *efuse_addr, &tmp_header);
 898
 899         if (tmp_header == pg_header) {
 900                 *write_state = PG_STATE_DATA;
 901         } else if (tmp_header == 0xFF) {
 902                 *write_state = PG_STATE_HEADER;
 903                 *repeat_times += 1;
 904                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 905                         *continual = false;
 906                         *result = false;
 907                 }
 908         } else {
 909                 tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 910                 tmp_pkt.word_en = tmp_header & 0x0F;
 911
 912                 tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 913
 914                 memset(originaldata, 0xff,  8 * sizeof(u8));
 915
 916                 if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) {
 917                         badworden = enable_efuse_data_write(hw,
 918                                                             *efuse_addr + 1,
 919                                                             tmp_pkt.word_en,
 920                                                             originaldata);
 921
 922                         if (0x0F != (badworden & 0x0F)) {
 923                                 u8 reorg_offset = tmp_pkt.offset;
 924                                 u8 reorg_worden = badworden;
 925                                 efuse_pg_packet_write(hw, reorg_offset,
 926                                                       reorg_worden,
 927                                                       originaldata);
 928                                 *efuse_addr = efuse_get_current_size(hw);
 929                         } else {
 930                                 *efuse_addr = *efuse_addr +
 931                                               (tmp_word_cnts * 2) + 1;
 932                         }
 933                 } else {
 934                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 935                 }
 936
 937                 *write_state = PG_STATE_HEADER;
 938                 *repeat_times += 1;
 939                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 940                         *continual = false;
 941                         *result = false;
 942                 }
 943
 944                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 945                         "efuse PG_STATE_HEADER-2\n");
 946         }
 947 }
 948
 949 static int efuse_pg_packet_write(struct ieee80211_hw *hw,
 950                                  u8 offset, u8 word_en, u8 *data)
 951 {
 952         struct rtl_priv *rtlpriv = rtl_priv(hw);
 953         struct pgpkt_struct target_pkt;
 954         u8 write_state = PG_STATE_HEADER;
 955         int continual = true, dataempty = true, result = true;
 956         u16 efuse_addr = 0;
 957         u8 efuse_data;
 958         u8 target_word_cnts = 0;
 959         u8 badworden = 0x0F;
 960         static int repeat_times;
 961
 962         if (efuse_get_current_size(hw) >= (EFUSE_MAX_SIZE -
 963                 rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
 964                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 965                         "efuse_pg_packet_write error\n");
 966                 return false;
 967         }
 968
 969         target_pkt.offset = offset;
 970         target_pkt.word_en = word_en;
 971
 972         memset(target_pkt.data, 0xFF,  8 * sizeof(u8));
 973
 974         efuse_word_enable_data_read(word_en, data, target_pkt.data);
 975         target_word_cnts = efuse_calculate_word_cnts(target_pkt.word_en);
 976
 977         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, "efuse Power ON\n");
 978
 979         while (continual && (efuse_addr < (EFUSE_MAX_SIZE -
 980                 rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))) {
 981
 982                 if (write_state == PG_STATE_HEADER) {
 983                         dataempty = true;
 984                         badworden = 0x0F;
 985                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 986                                 "efuse PG_STATE_HEADER\n");
 987
 988                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
 989                             (efuse_data != 0xFF))
 990                                 efuse_write_data_case1(hw, &efuse_addr,
 991                                                        efuse_data, offset,
 992                                                        &continual,
 993                                                        &write_state,
 994                                                        &target_pkt,
 995                                                        &repeat_times, &result,
 996                                                        word_en);
 997                         else
 998                                 efuse_write_data_case2(hw, &efuse_addr,
 999                                                        &continual,
1000                                                        &write_state,
1001                                                        target_pkt,
1002                                                        &repeat_times,
1003                                                        &result);
1004
1005                 } else if (write_state == PG_STATE_DATA) {
1006                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
1007                                 "efuse PG_STATE_DATA\n");
1008                         badworden = 0x0f;
1009                         badworden =
1010                             enable_efuse_data_write(hw, efuse_addr + 1,
1011                                                     target_pkt.word_en,
1012                                                     target_pkt.data);
1013
1014                         if ((badworden & 0x0F) == 0x0F) {
1015                                 continual = false;
1016                         } else {
1017                                 efuse_addr =
1018                                     efuse_addr + (2 * target_word_cnts) + 1;
1019
1020                                 target_pkt.offset = offset;
1021                                 target_pkt.word_en = badworden;
1022                                 target_word_cnts =
1023                                     efuse_calculate_word_cnts(target_pkt.
1024                                                               word_en);
1025                                 write_state = PG_STATE_HEADER;
1026                                 repeat_times++;
1027                                 if (repeat_times > EFUSE_REPEAT_THRESHOLD_) {
1028                                         continual = false;
1029                                         result = false;
1030                                 }
1031                                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
1032                                         "efuse PG_STATE_HEADER-3\n");
1033                         }
1034                 }
1035         }
1036
1037         if (efuse_addr >= (EFUSE_MAX_SIZE -
1038                 rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
1039                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1040                          "efuse_addr(%#x) Out of size!!\n", efuse_addr);
1041         }
1042
1043         return true;
1044 }
1045
1046 static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
1047                                         u8 *targetdata)
1048 {
1049         if (!(word_en & BIT(0))) {
1050                 targetdata[0] = sourdata[0];
1051                 targetdata[1] = sourdata[1];
1052         }
1053
1054         if (!(word_en & BIT(1))) {
1055                 targetdata[2] = sourdata[2];
1056                 targetdata[3] = sourdata[3];
1057         }
1058
1059         if (!(word_en & BIT(2))) {
1060                 targetdata[4] = sourdata[4];
1061                 targetdata[5] = sourdata[5];
1062         }
1063
1064         if (!(word_en & BIT(3))) {
1065                 targetdata[6] = sourdata[6];
1066                 targetdata[7] = sourdata[7];
1067         }
1068 }
1069
1070 static u8 enable_efuse_data_write(struct ieee80211_hw *hw,
1071                                   u16 efuse_addr, u8 word_en, u8 *data)
1072 {
1073         struct rtl_priv *rtlpriv = rtl_priv(hw);
1074         u16 tmpaddr;
1075         u16 start_addr = efuse_addr;
1076         u8 badworden = 0x0F;
1077         u8 tmpdata[8];
1078
1079         memset(tmpdata, 0xff, PGPKT_DATA_SIZE);
1080         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1081                  "word_en = %x efuse_addr=%x\n", word_en, efuse_addr);
1082
1083         if (!(word_en & BIT(0))) {
1084                 tmpaddr = start_addr;
1085                 efuse_one_byte_write(hw, start_addr++, data[0]);
1086                 efuse_one_byte_write(hw, start_addr++, data[1]);
1087
1088                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[0]);
1089                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[1]);
1090                 if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1]))
1091                         badworden &= (~BIT(0));
1092         }
1093
1094         if (!(word_en & BIT(1))) {
1095                 tmpaddr = start_addr;
1096                 efuse_one_byte_write(hw, start_addr++, data[2]);
1097                 efuse_one_byte_write(hw, start_addr++, data[3]);
1098
1099                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[2]);
1100                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[3]);
1101                 if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3]))
1102                         badworden &= (~BIT(1));
1103         }
1104
1105         if (!(word_en & BIT(2))) {
1106                 tmpaddr = start_addr;
1107                 efuse_one_byte_write(hw, start_addr++, data[4]);
1108                 efuse_one_byte_write(hw, start_addr++, data[5]);
1109
1110                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[4]);
1111                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[5]);
1112                 if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5]))
1113                         badworden &= (~BIT(2));
1114         }
1115
1116         if (!(word_en & BIT(3))) {
1117                 tmpaddr = start_addr;
1118                 efuse_one_byte_write(hw, start_addr++, data[6]);
1119                 efuse_one_byte_write(hw, start_addr++, data[7]);
1120
1121                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[6]);
1122                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[7]);
1123                 if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7]))
1124                         badworden &= (~BIT(3));
1125         }
1126
1127         return badworden;
1128 }
1129
1130 void efuse_power_switch(struct ieee80211_hw *hw, u8 write, u8 pwrstate)
1131 {
1132         struct rtl_priv *rtlpriv = rtl_priv(hw);
1133         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1134         u8 tempval;
1135         u16 tmpV16;
1136
1137         if (pwrstate && (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE)) {
1138
1139                 if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192CE &&
1140                     rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE) {
1141                         rtl_write_byte(rtlpriv,
1142                                        rtlpriv->cfg->maps[EFUSE_ACCESS], 0x69);
1143                 } else {
1144                         tmpV16 =
1145                           rtl_read_word(rtlpriv,
1146                                         rtlpriv->cfg->maps[SYS_ISO_CTRL]);
1147                         if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
1148                                 tmpV16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V];
1149                                 rtl_write_word(rtlpriv,
1150                                                rtlpriv->cfg->maps[SYS_ISO_CTRL],
1151                                                tmpV16);
1152                         }
1153                 }
1154                 tmpV16 = rtl_read_word(rtlpriv,
1155                                        rtlpriv->cfg->maps[SYS_FUNC_EN]);
1156                 if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) {
1157                         tmpV16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR];
1158                         rtl_write_word(rtlpriv,
1159                                        rtlpriv->cfg->maps[SYS_FUNC_EN], tmpV16);
1160                 }
1161
1162                 tmpV16 = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_CLK]);
1163                 if ((!(tmpV16 & rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN])) ||
1164                     (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_ANA8M]))) {
1165                         tmpV16 |= (rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN] |
1166                                    rtlpriv->cfg->maps[EFUSE_ANA8M]);
1167                         rtl_write_word(rtlpriv,
1168                                        rtlpriv->cfg->maps[SYS_CLK], tmpV16);
1169                 }
1170         }
1171
1172         if (pwrstate) {
1173                 if (write) {
1174                         tempval = rtl_read_byte(rtlpriv,
1175                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1176                                                 3);
1177
1178                         if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
1179                                 tempval &= ~(BIT(3) | BIT(4) | BIT(5) | BIT(6));
1180                                 tempval |= (VOLTAGE_V25 << 3);
1181                         } else if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE) {
1182                                 tempval &= 0x0F;
1183                                 tempval |= (VOLTAGE_V25 << 4);
1184                         }
1185
1186                         rtl_write_byte(rtlpriv,
1187                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1188                                        (tempval | 0x80));
1189                 }
1190
1191                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1192                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1193                                        0x03);
1194                 }
1195         } else {
1196                 if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192CE &&
1197                     rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE)
1198                         rtl_write_byte(rtlpriv,
1199                                        rtlpriv->cfg->maps[EFUSE_ACCESS], 0);
1200
1201                 if (write) {
1202                         tempval = rtl_read_byte(rtlpriv,
1203                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1204                                                 3);
1205                         rtl_write_byte(rtlpriv,
1206                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1207                                        (tempval & 0x7F));
1208                 }
1209
1210                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1211                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1212                                        0x02);
1213                 }
1214         }
1215 }
1216 EXPORT_SYMBOL(efuse_power_switch);
1217
1218 static u16 efuse_get_current_size(struct ieee80211_hw *hw)
1219 {
1220         int continual = true;
1221         u16 efuse_addr = 0;
1222         u8 hoffset, hworden;
1223         u8 efuse_data, word_cnts;
1224
1225         while (continual && efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
1226                (efuse_addr < EFUSE_MAX_SIZE)) {
1227                 if (efuse_data != 0xFF) {
1228                         hoffset = (efuse_data >> 4) & 0x0F;
1229                         hworden = efuse_data & 0x0F;
1230                         word_cnts = efuse_calculate_word_cnts(hworden);
1231                         efuse_addr = efuse_addr + (word_cnts * 2) + 1;
1232                 } else {
1233                         continual = false;
1234                 }
1235         }
1236
1237         return efuse_addr;
1238 }
1239
1240 static u8 efuse_calculate_word_cnts(u8 word_en)
1241 {
1242         u8 word_cnts = 0;
1243         if (!(word_en & BIT(0)))
1244                 word_cnts++;
1245         if (!(word_en & BIT(1)))
1246                 word_cnts++;
1247         if (!(word_en & BIT(2)))
1248                 word_cnts++;
1249         if (!(word_en & BIT(3)))
1250                 word_cnts++;
1251         return word_cnts;
1252 }
1253
1254 int rtl_get_hwinfo(struct ieee80211_hw *hw, struct rtl_priv *rtlpriv,
1255                    int max_size, u8 *hwinfo, int *params)
1256 {
1257         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1258         struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
1259         struct device *dev = &rtlpcipriv->dev.pdev->dev;
1260         u16 eeprom_id;
1261         u16 i, usvalue;
1262
1263         switch (rtlefuse->epromtype) {
1264         case EEPROM_BOOT_EFUSE:
1265                 rtl_efuse_shadow_map_update(hw);
1266                 break;
1267
1268         case EEPROM_93C46:
1269                 pr_err("RTL8XXX did not boot from eeprom, check it !!\n");
1270                 return 1;
1271
1272         default:
1273                 dev_warn(dev, "no efuse data\n");
1274                 return 1;
1275         }
1276
1277         memcpy(hwinfo, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0], max_size);
1278
1279         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "MAP",
1280                       hwinfo, max_size);
1281
1282         eeprom_id = *((u16 *)&hwinfo[0]);
1283         if (eeprom_id != params[0]) {
1284                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1285                          "EEPROM ID(%#x) is invalid!!\n", eeprom_id);
1286                 rtlefuse->autoload_failflag = true;
1287         } else {
1288                 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "Autoload OK\n");
1289                 rtlefuse->autoload_failflag = false;
1290         }
1291
1292         if (rtlefuse->autoload_failflag)
1293                 return 1;
1294
1295         rtlefuse->eeprom_vid = *(u16 *)&hwinfo[params[1]];
1296         rtlefuse->eeprom_did = *(u16 *)&hwinfo[params[2]];
1297         rtlefuse->eeprom_svid = *(u16 *)&hwinfo[params[3]];
1298         rtlefuse->eeprom_smid = *(u16 *)&hwinfo[params[4]];
1299         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1300                  "EEPROMId = 0x%4x\n", eeprom_id);
1301         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1302                  "EEPROM VID = 0x%4x\n", rtlefuse->eeprom_vid);
1303         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1304                  "EEPROM DID = 0x%4x\n", rtlefuse->eeprom_did);
1305         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1306                  "EEPROM SVID = 0x%4x\n", rtlefuse->eeprom_svid);
1307         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1308                  "EEPROM SMID = 0x%4x\n", rtlefuse->eeprom_smid);
1309
1310         for (i = 0; i < 6; i += 2) {
1311                 usvalue = *(u16 *)&hwinfo[params[5] + i];
1312                 *((u16 *)(&rtlefuse->dev_addr[i])) = usvalue;
1313         }
1314         RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "%pM\n", rtlefuse->dev_addr);
1315
1316         rtlefuse->eeprom_channelplan = *&hwinfo[params[6]];
1317         rtlefuse->eeprom_version = *(u16 *)&hwinfo[params[7]];
1318         rtlefuse->txpwr_fromeprom = true;
1319         rtlefuse->eeprom_oemid = *&hwinfo[params[8]];
1320
1321         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1322                  "EEPROM Customer ID: 0x%2x\n", rtlefuse->eeprom_oemid);
1323
1324         /* set channel plan to world wide 13 */
1325         rtlefuse->channel_plan = params[9];
1326
1327         return 0;
1328 }
1329 EXPORT_SYMBOL_GPL(rtl_get_hwinfo);
1330
1331 void rtl_fw_block_write(struct ieee80211_hw *hw, const u8 *buffer, u32 size)
1332 {
1333         struct rtl_priv *rtlpriv = rtl_priv(hw);
1334         u8 *pu4byteptr = (u8 *)buffer;
1335         u32 i;
1336
1337         for (i = 0; i < size; i++)
1338                 rtl_write_byte(rtlpriv, (START_ADDRESS + i), *(pu4byteptr + i));
1339 }
1340 EXPORT_SYMBOL_GPL(rtl_fw_block_write);
1341
1342 void rtl_fw_page_write(struct ieee80211_hw *hw, u32 page, const u8 *buffer,
1343                        u32 size)
1344 {
1345         struct rtl_priv *rtlpriv = rtl_priv(hw);
1346         u8 value8;
1347         u8 u8page = (u8)(page & 0x07);
1348
1349         value8 = (rtl_read_byte(rtlpriv, REG_MCUFWDL + 2) & 0xF8) | u8page;
1350
1351         rtl_write_byte(rtlpriv, (REG_MCUFWDL + 2), value8);
1352         rtl_fw_block_write(hw, buffer, size);
1353 }
1354 EXPORT_SYMBOL_GPL(rtl_fw_page_write);
1355
1356 void rtl_fill_dummy(u8 *pfwbuf, u32 *pfwlen)
1357 {
1358         u32 fwlen = *pfwlen;
1359         u8 remain = (u8)(fwlen % 4);
1360
1361         remain = (remain == 0) ? 0 : (4 - remain);
1362
1363         while (remain > 0) {
1364                 pfwbuf[fwlen] = 0;
1365                 fwlen++;
1366                 remain--;
1367         }
1368
1369         *pfwlen = fwlen;
1370 }
1371 EXPORT_SYMBOL_GPL(rtl_fill_dummy);
1372
1373 void rtl_efuse_ops_init(struct ieee80211_hw *hw)
1374 {
1375         struct rtl_priv *rtlpriv = rtl_priv(hw);
1376
1377         rtlpriv->efuse.efuse_ops = &efuse_ops;
1378 }
1379 EXPORT_SYMBOL_GPL(rtl_efuse_ops_init);