drivers/net/wireless/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  * You should have received a copy of the GNU General Public License along with
  15  * tmis program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  * Tme full GNU General Public License is included in this distribution in the
  19  * file called LICENSE.
  20  *
  21  * Contact Information:
  22  * wlanfae <[email protected]>
  23  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  24  * Hsinchu 300, Taiwan.
  25  *
  26  * Larry Finger <[email protected]>
  27  *
  28  *****************************************************************************/
  29
  30 #include <linux/export.h>
  31 #include "wifi.h"
  32 #include "efuse.h"
  33
  34 static const u8 MAX_PGPKT_SIZE = 9;
  35 static const u8 PGPKT_DATA_SIZE = 8;
  36 static const int EFUSE_MAX_SIZE = 512;
  37
  38 static const struct efuse_map RTL8712_SDIO_EFUSE_TABLE[] = {
  39         {0, 0, 0, 2},
  40         {0, 1, 0, 2},
  41         {0, 2, 0, 2},
  42         {1, 0, 0, 1},
  43         {1, 0, 1, 1},
  44         {1, 1, 0, 1},
  45         {1, 1, 1, 3},
  46         {1, 3, 0, 17},
  47         {3, 3, 1, 48},
  48         {10, 0, 0, 6},
  49         {10, 3, 0, 1},
  50         {10, 3, 1, 1},
  51         {11, 0, 0, 28}
  52 };
  53
  54 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw, u16 offset,
  55                                     u8 *value);
  56 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw, u16 offset,
  57                                     u16 *value);
  58 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw, u16 offset,
  59                                     u32 *value);
  60 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw, u16 offset,
  61                                      u8 value);
  62 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw, u16 offset,
  63                                      u16 value);
  64 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw, u16 offset,
  65                                      u32 value);
  66 static int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr,
  67                                         u8 *data);
  68 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr,
  69                                         u8 data);
  70 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse);
  71 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset,
  72                                         u8 *data);
  73 static int efuse_pg_packet_write(struct ieee80211_hw *hw, u8 offset,
  74                                  u8 word_en, u8 *data);
  75 static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
  76                                         u8 *targetdata);
  77 static u8 efuse_word_enable_data_write(struct ieee80211_hw *hw,
  78                                        u16 efuse_addr, u8 word_en, u8 *data);
  79 static void efuse_power_switch(struct ieee80211_hw *hw, u8 write,
  80                                         u8 pwrstate);
  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 = kmalloc(rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE] *
 262                             sizeof(u8), GFP_ATOMIC);
 263         if (!efuse_tbl)
 264                 return;
 265         efuse_word = kzalloc(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] = kmalloc(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 -
 417              rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))
 418                 result = false;
 419
 420         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 421                  "efuse_shadow_update_chk(): totalbytes(%#x), hdr_num(%#x), words_need(%#x), efuse_used(%d)\n",
 422                  totalbytes, hdr_num, words_need, efuse_used);
 423
 424         return result;
 425 }
 426
 427 void efuse_shadow_read(struct ieee80211_hw *hw, u8 type,
 428                        u16 offset, u32 *value)
 429 {
 430         if (type == 1)
 431                 efuse_shadow_read_1byte(hw, offset, (u8 *) value);
 432         else if (type == 2)
 433                 efuse_shadow_read_2byte(hw, offset, (u16 *) value);
 434         else if (type == 4)
 435                 efuse_shadow_read_4byte(hw, offset, value);
 436
 437 }
 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
 481                                 word_en &= ~(BIT(i / 2));
 482
 483                                 rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 484                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 485                         } else {
 486
 487                                 if (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
 488                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) {
 489                                         word_en &= ~(BIT(i / 2));
 490
 491                                         rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 492                                             rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 493                                 }
 494                         }
 495                 }
 496
 497                 if (word_en != 0x0F) {
 498                         u8 tmpdata[8];
 499                         memcpy(tmpdata,
 500                                &rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base],
 501                                8);
 502                         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD,
 503                                       "U-efuse", tmpdata, 8);
 504
 505                         if (!efuse_pg_packet_write(hw, (u8) offset, word_en,
 506                                                    tmpdata)) {
 507                                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 508                                          "PG section(%#x) fail!!\n", offset);
 509                                 break;
 510                         }
 511                 }
 512
 513         }
 514
 515         efuse_power_switch(hw, true, false);
 516         efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 517
 518         memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 519                &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 520                rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 521
 522         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "<---\n");
 523         return true;
 524 }
 525
 526 void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw)
 527 {
 528         struct rtl_priv *rtlpriv = rtl_priv(hw);
 529         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 530
 531         if (rtlefuse->autoload_failflag)
 532                 memset(&rtlefuse->efuse_map[EFUSE_INIT_MAP][0], 0xFF,
 533                         rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 534         else
 535                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 536
 537         memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 538                &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 539                rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 540
 541 }
 542 EXPORT_SYMBOL(rtl_efuse_shadow_map_update);
 543
 544 void efuse_force_write_vendor_Id(struct ieee80211_hw *hw)
 545 {
 546         u8 tmpdata[8] = { 0xFF, 0xFF, 0xEC, 0x10, 0xFF, 0xFF, 0xFF, 0xFF };
 547
 548         efuse_power_switch(hw, true, true);
 549
 550         efuse_pg_packet_write(hw, 1, 0xD, tmpdata);
 551
 552         efuse_power_switch(hw, true, false);
 553
 554 }
 555
 556 void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx)
 557 {
 558 }
 559
 560 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw,
 561                                     u16 offset, u8 *value)
 562 {
 563         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 564         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 565 }
 566
 567 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw,
 568                                     u16 offset, u16 *value)
 569 {
 570         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 571
 572         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 573         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 574
 575 }
 576
 577 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw,
 578                                     u16 offset, u32 *value)
 579 {
 580         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 581
 582         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 583         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 584         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] << 16;
 585         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] << 24;
 586 }
 587
 588 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw,
 589                                      u16 offset, u8 value)
 590 {
 591         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 592
 593         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value;
 594 }
 595
 596 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw,
 597                                      u16 offset, u16 value)
 598 {
 599         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 600
 601         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value & 0x00FF;
 602         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] = value >> 8;
 603
 604 }
 605
 606 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw,
 607                                      u16 offset, u32 value)
 608 {
 609         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 610
 611         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] =
 612             (u8) (value & 0x000000FF);
 613         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] =
 614             (u8) ((value >> 8) & 0x0000FF);
 615         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] =
 616             (u8) ((value >> 16) & 0x00FF);
 617         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] =
 618             (u8) ((value >> 24) & 0xFF);
 619
 620 }
 621
 622 static int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, u8 *data)
 623 {
 624         struct rtl_priv *rtlpriv = rtl_priv(hw);
 625         u8 tmpidx = 0;
 626         int result;
 627
 628         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 629                        (u8) (addr & 0xff));
 630         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 631                        ((u8) ((addr >> 8) & 0x03)) |
 632                        (rtl_read_byte(rtlpriv,
 633                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 2) &
 634                         0xFC));
 635
 636         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
 637
 638         while (!(0x80 & rtl_read_byte(rtlpriv,
 639                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
 640                && (tmpidx < 100)) {
 641                 tmpidx++;
 642         }
 643
 644         if (tmpidx < 100) {
 645                 *data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 646                 result = true;
 647         } else {
 648                 *data = 0xff;
 649                 result = false;
 650         }
 651         return result;
 652 }
 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, "Addr = %x Data=%x\n",
 660                  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
 681         return false;
 682 }
 683
 684 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 * efuse)
 685 {
 686         struct rtl_priv *rtlpriv = rtl_priv(hw);
 687         efuse_power_switch(hw, false, true);
 688         read_efuse(hw, 0, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE], efuse);
 689         efuse_power_switch(hw, false, false);
 690 }
 691
 692 static void efuse_read_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 693                                 u8 efuse_data, u8 offset, u8 *tmpdata,
 694                                 u8 *readstate)
 695 {
 696         bool dataempty = true;
 697         u8 hoffset;
 698         u8 tmpidx;
 699         u8 hworden;
 700         u8 word_cnts;
 701
 702         hoffset = (efuse_data >> 4) & 0x0F;
 703         hworden = efuse_data & 0x0F;
 704         word_cnts = efuse_calculate_word_cnts(hworden);
 705
 706         if (hoffset == offset) {
 707                 for (tmpidx = 0; tmpidx < word_cnts * 2; tmpidx++) {
 708                         if (efuse_one_byte_read(hw, *efuse_addr + 1 + tmpidx,
 709                             &efuse_data)) {
 710                                 tmpdata[tmpidx] = efuse_data;
 711                                 if (efuse_data != 0xff)
 712                                         dataempty = true;
 713                         }
 714                 }
 715
 716                 if (dataempty) {
 717                         *readstate = PG_STATE_DATA;
 718                 } else {
 719                         *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 720                         *readstate = PG_STATE_HEADER;
 721                 }
 722
 723         } else {
 724                 *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 725                 *readstate = PG_STATE_HEADER;
 726         }
 727 }
 728
 729 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data)
 730 {
 731         u8 readstate = PG_STATE_HEADER;
 732         bool continual = true;
 733         u8 efuse_data, word_cnts = 0;
 734         u16 efuse_addr = 0;
 735         u8 tmpdata[8];
 736
 737         if (data == NULL)
 738                 return false;
 739         if (offset > 15)
 740                 return false;
 741
 742         memset(data, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
 743         memset(tmpdata, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
 744
 745         while (continual && (efuse_addr < EFUSE_MAX_SIZE)) {
 746                 if (readstate & PG_STATE_HEADER) {
 747                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data)
 748                             && (efuse_data != 0xFF))
 749                                 efuse_read_data_case1(hw, &efuse_addr,
 750                                                       efuse_data,
 751                                                       offset, tmpdata,
 752                                                       &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, int *continual,
 775                         u8 *write_state, struct pgpkt_struct *target_pkt,
 776                         int *repeat_times, int *result, u8 word_en)
 777 {
 778         struct rtl_priv *rtlpriv = rtl_priv(hw);
 779         struct pgpkt_struct tmp_pkt;
 780         bool dataempty = true;
 781         u8 originaldata[8 * sizeof(u8)];
 782         u8 badworden = 0x0F;
 783         u8 match_word_en, tmp_word_en;
 784         u8 tmpindex;
 785         u8 tmp_header = efuse_data;
 786         u8 tmp_word_cnts;
 787
 788         tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 789         tmp_pkt.word_en = tmp_header & 0x0F;
 790         tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 791
 792         if (tmp_pkt.offset != target_pkt->offset) {
 793                 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 794                 *write_state = PG_STATE_HEADER;
 795         } else {
 796                 for (tmpindex = 0; tmpindex < (tmp_word_cnts * 2); tmpindex++) {
 797                         u16 address = *efuse_addr + 1 + tmpindex;
 798                         if (efuse_one_byte_read(hw, address,
 799                              &efuse_data) && (efuse_data != 0xFF))
 800                                 dataempty = false;
 801                 }
 802
 803                 if (!dataempty) {
 804                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 805                         *write_state = PG_STATE_HEADER;
 806                 } else {
 807                         match_word_en = 0x0F;
 808                         if (!((target_pkt->word_en & BIT(0)) |
 809                              (tmp_pkt.word_en & BIT(0))))
 810                                 match_word_en &= (~BIT(0));
 811
 812                         if (!((target_pkt->word_en & BIT(1)) |
 813                              (tmp_pkt.word_en & BIT(1))))
 814                                 match_word_en &= (~BIT(1));
 815
 816                         if (!((target_pkt->word_en & BIT(2)) |
 817                              (tmp_pkt.word_en & BIT(2))))
 818                                 match_word_en &= (~BIT(2));
 819
 820                         if (!((target_pkt->word_en & BIT(3)) |
 821                              (tmp_pkt.word_en & BIT(3))))
 822                                 match_word_en &= (~BIT(3));
 823
 824                         if ((match_word_en & 0x0F) != 0x0F) {
 825                                 badworden = efuse_word_enable_data_write(
 826                                                             hw, *efuse_addr + 1,
 827                                                             tmp_pkt.word_en,
 828                                                             target_pkt->data);
 829
 830                                 if (0x0F != (badworden & 0x0F)) {
 831                                         u8 reorg_offset = offset;
 832                                         u8 reorg_worden = badworden;
 833                                         efuse_pg_packet_write(hw, reorg_offset,
 834                                                                reorg_worden,
 835                                                                originaldata);
 836                                 }
 837
 838                                 tmp_word_en = 0x0F;
 839                                 if ((target_pkt->word_en & BIT(0)) ^
 840                                     (match_word_en & BIT(0)))
 841                                         tmp_word_en &= (~BIT(0));
 842
 843                                 if ((target_pkt->word_en & BIT(1)) ^
 844                                     (match_word_en & BIT(1)))
 845                                         tmp_word_en &= (~BIT(1));
 846
 847                                 if ((target_pkt->word_en & BIT(2)) ^
 848                                      (match_word_en & BIT(2)))
 849                                         tmp_word_en &= (~BIT(2));
 850
 851                                 if ((target_pkt->word_en & BIT(3)) ^
 852                                      (match_word_en & BIT(3)))
 853                                         tmp_word_en &= (~BIT(3));
 854
 855                                 if ((tmp_word_en & 0x0F) != 0x0F) {
 856                                         *efuse_addr = efuse_get_current_size(hw);
 857                                         target_pkt->offset = offset;
 858                                         target_pkt->word_en = tmp_word_en;
 859                                 } else {
 860                                         *continual = false;
 861                                 }
 862                                 *write_state = PG_STATE_HEADER;
 863                                 *repeat_times += 1;
 864                                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 865                                         *continual = false;
 866                                         *result = false;
 867                                 }
 868                         } else {
 869                                 *efuse_addr += (2 * tmp_word_cnts) + 1;
 870                                 target_pkt->offset = offset;
 871                                 target_pkt->word_en = word_en;
 872                                 *write_state = PG_STATE_HEADER;
 873                         }
 874                 }
 875         }
 876         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,  "efuse PG_STATE_HEADER-1\n");
 877 }
 878
 879 static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
 880                                    int *continual, u8 *write_state,
 881                                    struct pgpkt_struct target_pkt,
 882                                    int *repeat_times, int *result)
 883 {
 884         struct rtl_priv *rtlpriv = rtl_priv(hw);
 885         struct pgpkt_struct tmp_pkt;
 886         u8 pg_header;
 887         u8 tmp_header;
 888         u8 originaldata[8 * sizeof(u8)];
 889         u8 tmp_word_cnts;
 890         u8 badworden = 0x0F;
 891
 892         pg_header = ((target_pkt.offset << 4) & 0xf0) | target_pkt.word_en;
 893         efuse_one_byte_write(hw, *efuse_addr, pg_header);
 894         efuse_one_byte_read(hw, *efuse_addr, &tmp_header);
 895
 896         if (tmp_header == pg_header) {
 897                 *write_state = PG_STATE_DATA;
 898         } else if (tmp_header == 0xFF) {
 899                 *write_state = PG_STATE_HEADER;
 900                 *repeat_times += 1;
 901                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 902                         *continual = false;
 903                         *result = false;
 904                 }
 905         } else {
 906                 tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 907                 tmp_pkt.word_en = tmp_header & 0x0F;
 908
 909                 tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 910
 911                 memset(originaldata, 0xff, 8 * sizeof(u8));
 912
 913                 if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) {
 914                         badworden = efuse_word_enable_data_write(hw,
 915                                     *efuse_addr + 1, tmp_pkt.word_en,
 916                                     originaldata);
 917
 918                         if (0x0F != (badworden & 0x0F)) {
 919                                 u8 reorg_offset = tmp_pkt.offset;
 920                                 u8 reorg_worden = badworden;
 921                                 efuse_pg_packet_write(hw, reorg_offset,
 922                                                       reorg_worden,
 923                                                       originaldata);
 924                                 *efuse_addr = efuse_get_current_size(hw);
 925                         } else {
 926                                 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2)
 927                                               + 1;
 928                         }
 929                 } else {
 930                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 931                 }
 932
 933                 *write_state = PG_STATE_HEADER;
 934                 *repeat_times += 1;
 935                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 936                         *continual = false;
 937                         *result = false;
 938                 }
 939
 940                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 941                         "efuse PG_STATE_HEADER-2\n");
 942         }
 943 }
 944
 945 static int efuse_pg_packet_write(struct ieee80211_hw *hw,
 946                                  u8 offset, u8 word_en, u8 *data)
 947 {
 948         struct rtl_priv *rtlpriv = rtl_priv(hw);
 949         struct pgpkt_struct target_pkt;
 950         u8 write_state = PG_STATE_HEADER;
 951         int continual = true, result = true;
 952         u16 efuse_addr = 0;
 953         u8 efuse_data;
 954         u8 target_word_cnts = 0;
 955         u8 badworden = 0x0F;
 956         static int repeat_times;
 957
 958         if (efuse_get_current_size(hw) >= (EFUSE_MAX_SIZE -
 959             rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
 960                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 961                         "efuse_pg_packet_write error\n");
 962                 return false;
 963         }
 964
 965         target_pkt.offset = offset;
 966         target_pkt.word_en = word_en;
 967
 968         memset(target_pkt.data, 0xFF, 8 * sizeof(u8));
 969
 970         efuse_word_enable_data_read(word_en, data, target_pkt.data);
 971         target_word_cnts = efuse_calculate_word_cnts(target_pkt.word_en);
 972
 973         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,  "efuse Power ON\n");
 974
 975         while (continual && (efuse_addr < (EFUSE_MAX_SIZE -
 976                rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))) {
 977
 978                 if (write_state == PG_STATE_HEADER) {
 979                         badworden = 0x0F;
 980                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 981                                 "efuse PG_STATE_HEADER\n");
 982
 983                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
 984                             (efuse_data != 0xFF))
 985                                 efuse_write_data_case1(hw, &efuse_addr,
 986                                                        efuse_data, offset,
 987                                                        &continual,
 988                                                        &write_state, &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 =
1003                             efuse_word_enable_data_write(hw, efuse_addr + 1,
1004                                                          target_pkt.word_en,
1005                                                          target_pkt.data);
1006
1007                         if ((badworden & 0x0F) == 0x0F) {
1008                                 continual = false;
1009                         } else {
1010                                 efuse_addr += (2 * target_word_cnts) + 1;
1011
1012                                 target_pkt.offset = offset;
1013                                 target_pkt.word_en = badworden;
1014                                 target_word_cnts =
1015                                     efuse_calculate_word_cnts(target_pkt.
1016                                                               word_en);
1017                                 write_state = PG_STATE_HEADER;
1018                                 repeat_times++;
1019                                 if (repeat_times > EFUSE_REPEAT_THRESHOLD_) {
1020                                         continual = false;
1021                                         result = false;
1022                                 }
1023                                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
1024                                         "efuse PG_STATE_HEADER-3\n");
1025                         }
1026                 }
1027         }
1028
1029         if (efuse_addr >= (EFUSE_MAX_SIZE -
1030             rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
1031                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1032                          "efuse_addr(%#x) Out of size!!\n", efuse_addr);
1033         }
1034
1035         return true;
1036 }
1037
1038 static void efuse_word_enable_data_read(u8 word_en,
1039                                         u8 *sourdata, u8 *targetdata)
1040 {
1041         if (!(word_en & BIT(0))) {
1042                 targetdata[0] = sourdata[0];
1043                 targetdata[1] = sourdata[1];
1044         }
1045
1046         if (!(word_en & BIT(1))) {
1047                 targetdata[2] = sourdata[2];
1048                 targetdata[3] = sourdata[3];
1049         }
1050
1051         if (!(word_en & BIT(2))) {
1052                 targetdata[4] = sourdata[4];
1053                 targetdata[5] = sourdata[5];
1054         }
1055
1056         if (!(word_en & BIT(3))) {
1057                 targetdata[6] = sourdata[6];
1058                 targetdata[7] = sourdata[7];
1059         }
1060 }
1061
1062 static u8 efuse_word_enable_data_write(struct ieee80211_hw *hw,
1063                                        u16 efuse_addr, u8 word_en, u8 *data)
1064 {
1065         struct rtl_priv *rtlpriv = rtl_priv(hw);
1066         u16 tmpaddr;
1067         u16 start_addr = efuse_addr;
1068         u8 badworden = 0x0F;
1069         u8 tmpdata[8];
1070
1071         memset(tmpdata, 0xff, PGPKT_DATA_SIZE);
1072         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "word_en = %x efuse_addr=%x\n",
1073                  word_en, efuse_addr);
1074
1075         if (!(word_en & BIT(0))) {
1076                 tmpaddr = start_addr;
1077                 efuse_one_byte_write(hw, start_addr++, data[0]);
1078                 efuse_one_byte_write(hw, start_addr++, data[1]);
1079
1080                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[0]);
1081                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[1]);
1082                 if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1]))
1083                         badworden &= (~BIT(0));
1084         }
1085
1086         if (!(word_en & BIT(1))) {
1087                 tmpaddr = start_addr;
1088                 efuse_one_byte_write(hw, start_addr++, data[2]);
1089                 efuse_one_byte_write(hw, start_addr++, data[3]);
1090
1091                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[2]);
1092                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[3]);
1093                 if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3]))
1094                         badworden &= (~BIT(1));
1095         }
1096
1097         if (!(word_en & BIT(2))) {
1098                 tmpaddr = start_addr;
1099                 efuse_one_byte_write(hw, start_addr++, data[4]);
1100                 efuse_one_byte_write(hw, start_addr++, data[5]);
1101
1102                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[4]);
1103                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[5]);
1104                 if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5]))
1105                         badworden &= (~BIT(2));
1106         }
1107
1108         if (!(word_en & BIT(3))) {
1109                 tmpaddr = start_addr;
1110                 efuse_one_byte_write(hw, start_addr++, data[6]);
1111                 efuse_one_byte_write(hw, start_addr++, data[7]);
1112
1113                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[6]);
1114                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[7]);
1115                 if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7]))
1116                         badworden &= (~BIT(3));
1117         }
1118
1119         return badworden;
1120 }
1121
1122 static void efuse_power_switch(struct ieee80211_hw *hw, u8 write, u8 pwrstate)
1123 {
1124         struct rtl_priv *rtlpriv = rtl_priv(hw);
1125         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1126         u8 tempval;
1127         u16 tmpV16;
1128
1129         if (pwrstate && (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE)) {
1130                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8188EE)
1131                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_ACCESS],
1132                                        0x69);
1133
1134                 tmpV16 = rtl_read_word(rtlpriv,
1135                                        rtlpriv->cfg->maps[SYS_ISO_CTRL]);
1136                 if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
1137                         tmpV16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V];
1138                         rtl_write_word(rtlpriv,
1139                                        rtlpriv->cfg->maps[SYS_ISO_CTRL],
1140                                        tmpV16);
1141                 }
1142
1143                 tmpV16 = rtl_read_word(rtlpriv,
1144                                        rtlpriv->cfg->maps[SYS_FUNC_EN]);
1145                 if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) {
1146                         tmpV16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR];
1147                         rtl_write_word(rtlpriv,
1148                                        rtlpriv->cfg->maps[SYS_FUNC_EN], tmpV16);
1149                 }
1150
1151                 tmpV16 = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_CLK]);
1152                 if ((!(tmpV16 & rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN])) ||
1153                     (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_ANA8M]))) {
1154                         tmpV16 |= (rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN] |
1155                                    rtlpriv->cfg->maps[EFUSE_ANA8M]);
1156                         rtl_write_word(rtlpriv,
1157                                        rtlpriv->cfg->maps[SYS_CLK], tmpV16);
1158                 }
1159         }
1160
1161         if (pwrstate) {
1162                 if (write) {
1163                         tempval = rtl_read_byte(rtlpriv,
1164                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1165                                                 3);
1166
1167                         if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE) {
1168                                 tempval &= 0x0F;
1169                                 tempval |= (VOLTAGE_V25 << 4);
1170                         }
1171
1172                         rtl_write_byte(rtlpriv,
1173                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1174                                        (tempval | 0x80));
1175                 }
1176
1177                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1178                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1179                                                 0x03);
1180                 }
1181
1182         } else {
1183                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8188EE)
1184                         rtl_write_byte(rtlpriv,
1185                                        rtlpriv->cfg->maps[EFUSE_ACCESS], 0);
1186
1187                 if (write) {
1188                         tempval = rtl_read_byte(rtlpriv,
1189                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1190                                                 3);
1191                         rtl_write_byte(rtlpriv,
1192                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1193                                        (tempval & 0x7F));
1194                 }
1195
1196                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1197                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1198                                                 0x02);
1199                 }
1200
1201         }
1202
1203 }
1204
1205 static u16 efuse_get_current_size(struct ieee80211_hw *hw)
1206 {
1207         u16 efuse_addr = 0;
1208         u8 hworden;
1209         u8 efuse_data, word_cnts;
1210
1211         while (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
1212                efuse_addr < EFUSE_MAX_SIZE) {
1213                 if (efuse_data == 0xFF)
1214                         break;
1215
1216                 hworden = efuse_data & 0x0F;
1217                 word_cnts = efuse_calculate_word_cnts(hworden);
1218                 efuse_addr = efuse_addr + (word_cnts * 2) + 1;
1219         }
1220
1221         return efuse_addr;
1222 }
1223
1224 static u8 efuse_calculate_word_cnts(u8 word_en)
1225 {
1226         u8 word_cnts = 0;
1227         if (!(word_en & BIT(0)))
1228                 word_cnts++;
1229         if (!(word_en & BIT(1)))
1230                 word_cnts++;
1231         if (!(word_en & BIT(2)))
1232                 word_cnts++;
1233         if (!(word_en & BIT(3)))
1234                 word_cnts++;
1235         return word_cnts;
1236 }
1237