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