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 <wlanfae@realtek.com>
  23  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  24  * Hsinchu 300, Taiwan.
  25  *
  26  * Larry Finger <Larry.Finger@lwfinger.net>
  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
 233 void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
 234 {
 235         struct rtl_priv *rtlpriv = rtl_priv(hw);
 236         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 237         u8 *efuse_tbl;
 238         u8 rtemp8[1];
 239         u16 efuse_addr = 0;
 240         u8 offset, wren;
 241         u8 u1temp = 0;
 242         u16 i;
 243         u16 j;
 244         const u16 efuse_max_section =
 245                 rtlpriv->cfg->maps[EFUSE_MAX_SECTION_MAP];
 246         const u32 efuse_len =
 247                 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
 248         u16 **efuse_word;
 249         u16 efuse_utilized = 0;
 250         u8 efuse_usage;
 251
 252         if ((_offset + _size_byte) > rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]) {
 253                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 254                          "read_efuse(): Invalid offset(%#x) with read bytes(%#x)!!\n",
 255                          _offset, _size_byte);
 256                 return;
 257         }
 258
 259         /* allocate memory for efuse_tbl and efuse_word */
 260         efuse_tbl = kmalloc(rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE] *
 261                             sizeof(u8), GFP_ATOMIC);
 262         if (!efuse_tbl)
 263                 return;
 264         efuse_word = kmalloc(EFUSE_MAX_WORD_UNIT * sizeof(u16 *), GFP_ATOMIC);
 265         if (!efuse_word)
 266                 goto done;
 267         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
 268                 efuse_word[i] = kmalloc(efuse_max_section * sizeof(u16),
 269                                         GFP_ATOMIC);
 270                 if (!efuse_word[i])
 271                         goto done;
 272         }
 273
 274         for (i = 0; i < efuse_max_section; i++)
 275                 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++)
 276                         efuse_word[j][i] = 0xFFFF;
 277
 278         read_efuse_byte(hw, efuse_addr, rtemp8);
 279         if (*rtemp8 != 0xFF) {
 280                 efuse_utilized++;
 281                 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 282                         "Addr=%d\n", efuse_addr);
 283                 efuse_addr++;
 284         }
 285
 286         while ((*rtemp8 != 0xFF) && (efuse_addr < efuse_len)) {
 287                 /*  Check PG header for section num.  */
 288                 if ((*rtemp8 & 0x1F) == 0x0F) {/* extended header */
 289                         u1temp = ((*rtemp8 & 0xE0) >> 5);
 290                         read_efuse_byte(hw, efuse_addr, rtemp8);
 291
 292                         if ((*rtemp8 & 0x0F) == 0x0F) {
 293                                 efuse_addr++;
 294                                 read_efuse_byte(hw, efuse_addr, rtemp8);
 295
 296                                 if (*rtemp8 != 0xFF &&
 297                                     (efuse_addr < efuse_len)) {
 298                                         efuse_addr++;
 299                                 }
 300                                 continue;
 301                         } else {
 302                                 offset = ((*rtemp8 & 0xF0) >> 1) | u1temp;
 303                                 wren = (*rtemp8 & 0x0F);
 304                                 efuse_addr++;
 305                         }
 306                 } else {
 307                         offset = ((*rtemp8 >> 4) & 0x0f);
 308                         wren = (*rtemp8 & 0x0f);
 309                 }
 310
 311                 if (offset < efuse_max_section) {
 312                         RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 313                                 "offset-%d Worden=%x\n", offset, wren);
 314
 315                         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
 316                                 if (!(wren & 0x01)) {
 317                                         RTPRINT(rtlpriv, FEEPROM,
 318                                                 EFUSE_READ_ALL,
 319                                                 "Addr=%d\n", efuse_addr);
 320
 321                                         read_efuse_byte(hw, efuse_addr, rtemp8);
 322                                         efuse_addr++;
 323                                         efuse_utilized++;
 324                                         efuse_word[i][offset] =
 325                                                          (*rtemp8 & 0xff);
 326
 327                                         if (efuse_addr >= efuse_len)
 328                                                 break;
 329
 330                                         RTPRINT(rtlpriv, FEEPROM,
 331                                                 EFUSE_READ_ALL,
 332                                                 "Addr=%d\n", efuse_addr);
 333
 334                                         read_efuse_byte(hw, efuse_addr, rtemp8);
 335                                         efuse_addr++;
 336                                         efuse_utilized++;
 337                                         efuse_word[i][offset] |=
 338                                             (((u16)*rtemp8 << 8) & 0xff00);
 339
 340                                         if (efuse_addr >= efuse_len)
 341                                                 break;
 342                                 }
 343
 344                                 wren >>= 1;
 345                         }
 346                 }
 347
 348                 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 349                         "Addr=%d\n", efuse_addr);
 350                 read_efuse_byte(hw, efuse_addr, rtemp8);
 351                 if (*rtemp8 != 0xFF && (efuse_addr < efuse_len)) {
 352                         efuse_utilized++;
 353                         efuse_addr++;
 354                 }
 355         }
 356
 357         for (i = 0; i < efuse_max_section; i++) {
 358                 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++) {
 359                         efuse_tbl[(i * 8) + (j * 2)] =
 360                             (efuse_word[j][i] & 0xff);
 361                         efuse_tbl[(i * 8) + ((j * 2) + 1)] =
 362                             ((efuse_word[j][i] >> 8) & 0xff);
 363                 }
 364         }
 365
 366         for (i = 0; i < _size_byte; i++)
 367                 pbuf[i] = efuse_tbl[_offset + i];
 368
 369         rtlefuse->efuse_usedbytes = efuse_utilized;
 370         efuse_usage = (u8) ((efuse_utilized * 100) / efuse_len);
 371         rtlefuse->efuse_usedpercentage = efuse_usage;
 372         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_BYTES,
 373                                       (u8 *)&efuse_utilized);
 374         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_USAGE,
 375                                       &efuse_usage);
 376 done:
 377         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++)
 378                 kfree(efuse_word[i]);
 379         kfree(efuse_word);
 380         kfree(efuse_tbl);
 381 }
 382
 383 bool efuse_shadow_update_chk(struct ieee80211_hw *hw)
 384 {
 385         struct rtl_priv *rtlpriv = rtl_priv(hw);
 386         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 387         u8 section_idx, i, Base;
 388         u16 words_need = 0, hdr_num = 0, totalbytes, efuse_used;
 389         bool wordchanged, result = true;
 390
 391         for (section_idx = 0; section_idx < 16; section_idx++) {
 392                 Base = section_idx * 8;
 393                 wordchanged = false;
 394
 395                 for (i = 0; i < 8; i = i + 2) {
 396                         if ((rtlefuse->efuse_map[EFUSE_INIT_MAP][Base + i] !=
 397                              rtlefuse->efuse_map[EFUSE_MODIFY_MAP][Base + i]) ||
 398                             (rtlefuse->efuse_map[EFUSE_INIT_MAP][Base + i + 1] !=
 399                              rtlefuse->efuse_map[EFUSE_MODIFY_MAP][Base + i +
 400                                                                    1])) {
 401                                 words_need++;
 402                                 wordchanged = true;
 403                         }
 404                 }
 405
 406                 if (wordchanged)
 407                         hdr_num++;
 408         }
 409
 410         totalbytes = hdr_num + words_need * 2;
 411         efuse_used = rtlefuse->efuse_usedbytes;
 412
 413         if ((totalbytes + efuse_used) >=
 414             (EFUSE_MAX_SIZE -
 415              rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))
 416                 result = false;
 417
 418         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 419                  "efuse_shadow_update_chk(): totalbytes(%#x), hdr_num(%#x), words_need(%#x), efuse_used(%d)\n",
 420                  totalbytes, hdr_num, words_need, efuse_used);
 421
 422         return result;
 423 }
 424
 425 void efuse_shadow_read(struct ieee80211_hw *hw, u8 type,
 426                        u16 offset, u32 *value)
 427 {
 428         if (type == 1)
 429                 efuse_shadow_read_1byte(hw, offset, (u8 *) value);
 430         else if (type == 2)
 431                 efuse_shadow_read_2byte(hw, offset, (u16 *) value);
 432         else if (type == 4)
 433                 efuse_shadow_read_4byte(hw, offset, value);
 434
 435 }
 436
 437 void efuse_shadow_write(struct ieee80211_hw *hw, u8 type, u16 offset,
 438                                 u32 value)
 439 {
 440         if (type == 1)
 441                 efuse_shadow_write_1byte(hw, offset, (u8) value);
 442         else if (type == 2)
 443                 efuse_shadow_write_2byte(hw, offset, (u16) value);
 444         else if (type == 4)
 445                 efuse_shadow_write_4byte(hw, offset, value);
 446
 447 }
 448
 449 bool efuse_shadow_update(struct ieee80211_hw *hw)
 450 {
 451         struct rtl_priv *rtlpriv = rtl_priv(hw);
 452         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 453         u16 i, offset, base;
 454         u8 word_en = 0x0F;
 455         u8 first_pg = false;
 456
 457         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "--->\n");
 458
 459         if (!efuse_shadow_update_chk(hw)) {
 460                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 461                 memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 462                        &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 463                        rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 464
 465                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 466                          "<---efuse out of capacity!!\n");
 467                 return false;
 468         }
 469         efuse_power_switch(hw, true, true);
 470
 471         for (offset = 0; offset < 16; offset++) {
 472
 473                 word_en = 0x0F;
 474                 base = offset * 8;
 475
 476                 for (i = 0; i < 8; i++) {
 477                         if (first_pg) {
 478
 479                                 word_en &= ~(BIT(i / 2));
 480
 481                                 rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 482                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 483                         } else {
 484
 485                                 if (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
 486                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) {
 487                                         word_en &= ~(BIT(i / 2));
 488
 489                                         rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 490                                             rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 491                                 }
 492                         }
 493                 }
 494
 495                 if (word_en != 0x0F) {
 496                         u8 tmpdata[8];
 497                         memcpy(tmpdata,
 498                                &rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base],
 499                                8);
 500                         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD,
 501                                       "U-efuse", tmpdata, 8);
 502
 503                         if (!efuse_pg_packet_write(hw, (u8) offset, word_en,
 504                                                    tmpdata)) {
 505                                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 506                                          "PG section(%#x) fail!!\n", offset);
 507                                 break;
 508                         }
 509                 }
 510
 511         }
 512
 513         efuse_power_switch(hw, true, false);
 514         efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 515
 516         memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 517                &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 518                rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 519
 520         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "<---\n");
 521         return true;
 522 }
 523
 524 void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw)
 525 {
 526         struct rtl_priv *rtlpriv = rtl_priv(hw);
 527         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 528
 529         if (rtlefuse->autoload_failflag)
 530                 memset(&rtlefuse->efuse_map[EFUSE_INIT_MAP][0], 0xFF,
 531                         rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 532         else
 533                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 534
 535         memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 536                &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 537                rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 538
 539 }
 540 EXPORT_SYMBOL(rtl_efuse_shadow_map_update);
 541
 542 void efuse_force_write_vendor_Id(struct ieee80211_hw *hw)
 543 {
 544         u8 tmpdata[8] = { 0xFF, 0xFF, 0xEC, 0x10, 0xFF, 0xFF, 0xFF, 0xFF };
 545
 546         efuse_power_switch(hw, true, true);
 547
 548         efuse_pg_packet_write(hw, 1, 0xD, tmpdata);
 549
 550         efuse_power_switch(hw, true, false);
 551
 552 }
 553
 554 void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx)
 555 {
 556 }
 557
 558 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw,
 559                                     u16 offset, u8 *value)
 560 {
 561         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 562         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 563 }
 564
 565 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw,
 566                                     u16 offset, u16 *value)
 567 {
 568         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 569
 570         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 571         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 572
 573 }
 574
 575 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw,
 576                                     u16 offset, u32 *value)
 577 {
 578         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 579
 580         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 581         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 582         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] << 16;
 583         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] << 24;
 584 }
 585
 586 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw,
 587                                      u16 offset, u8 value)
 588 {
 589         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 590
 591         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value;
 592 }
 593
 594 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw,
 595                                      u16 offset, u16 value)
 596 {
 597         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 598
 599         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value & 0x00FF;
 600         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] = value >> 8;
 601
 602 }
 603
 604 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw,
 605                                      u16 offset, u32 value)
 606 {
 607         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 608
 609         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] =
 610             (u8) (value & 0x000000FF);
 611         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] =
 612             (u8) ((value >> 8) & 0x0000FF);
 613         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] =
 614             (u8) ((value >> 16) & 0x00FF);
 615         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] =
 616             (u8) ((value >> 24) & 0xFF);
 617
 618 }
 619
 620 static int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, u8 *data)
 621 {
 622         struct rtl_priv *rtlpriv = rtl_priv(hw);
 623         u8 tmpidx = 0;
 624         int result;
 625
 626         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 627                        (u8) (addr & 0xff));
 628         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 629                        ((u8) ((addr >> 8) & 0x03)) |
 630                        (rtl_read_byte(rtlpriv,
 631                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 2) &
 632                         0xFC));
 633
 634         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
 635
 636         while (!(0x80 & rtl_read_byte(rtlpriv,
 637                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
 638                && (tmpidx < 100)) {
 639                 tmpidx++;
 640         }
 641
 642         if (tmpidx < 100) {
 643                 *data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 644                 result = true;
 645         } else {
 646                 *data = 0xff;
 647                 result = false;
 648         }
 649         return result;
 650 }
 651
 652 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data)
 653 {
 654         struct rtl_priv *rtlpriv = rtl_priv(hw);
 655         u8 tmpidx = 0;
 656
 657         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "Addr = %x Data=%x\n",
 658                  addr, data);
 659
 660         rtl_write_byte(rtlpriv,
 661                        rtlpriv->cfg->maps[EFUSE_CTRL] + 1, (u8) (addr & 0xff));
 662         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 663                        (rtl_read_byte(rtlpriv,
 664                          rtlpriv->cfg->maps[EFUSE_CTRL] +
 665                          2) & 0xFC) | (u8) ((addr >> 8) & 0x03));
 666
 667         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], data);
 668         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0xF2);
 669
 670         while ((0x80 & rtl_read_byte(rtlpriv,
 671                                      rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
 672                && (tmpidx < 100)) {
 673                 tmpidx++;
 674         }
 675
 676         if (tmpidx < 100)
 677                 return true;
 678
 679         return false;
 680 }
 681
 682 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 * efuse)
 683 {
 684         struct rtl_priv *rtlpriv = rtl_priv(hw);
 685         efuse_power_switch(hw, false, true);
 686         read_efuse(hw, 0, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE], efuse);
 687         efuse_power_switch(hw, false, false);
 688 }
 689
 690 static void efuse_read_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 691                                 u8 efuse_data, u8 offset, u8 *tmpdata,
 692                                 u8 *readstate)
 693 {
 694         bool dataempty = true;
 695         u8 hoffset;
 696         u8 tmpidx;
 697         u8 hworden;
 698         u8 word_cnts;
 699
 700         hoffset = (efuse_data >> 4) & 0x0F;
 701         hworden = efuse_data & 0x0F;
 702         word_cnts = efuse_calculate_word_cnts(hworden);
 703
 704         if (hoffset == offset) {
 705                 for (tmpidx = 0; tmpidx < word_cnts * 2; tmpidx++) {
 706                         if (efuse_one_byte_read(hw, *efuse_addr + 1 + tmpidx,
 707                             &efuse_data)) {
 708                                 tmpdata[tmpidx] = efuse_data;
 709                                 if (efuse_data != 0xff)
 710                                         dataempty = true;
 711                         }
 712                 }
 713
 714                 if (dataempty) {
 715                         *readstate = PG_STATE_DATA;
 716                 } else {
 717                         *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 718                         *readstate = PG_STATE_HEADER;
 719                 }
 720
 721         } else {
 722                 *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 723                 *readstate = PG_STATE_HEADER;
 724         }
 725 }
 726
 727 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data)
 728 {
 729         u8 readstate = PG_STATE_HEADER;
 730         bool continual = true;
 731         u8 efuse_data, word_cnts = 0;
 732         u16 efuse_addr = 0;
 733         u8 tmpdata[8];
 734
 735         if (data == NULL)
 736                 return false;
 737         if (offset > 15)
 738                 return false;
 739
 740         memset(data, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
 741         memset(tmpdata, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
 742
 743         while (continual && (efuse_addr < EFUSE_MAX_SIZE)) {
 744                 if (readstate & PG_STATE_HEADER) {
 745                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data)
 746                             && (efuse_data != 0xFF))
 747                                 efuse_read_data_case1(hw, &efuse_addr,
 748                                                       efuse_data,
 749                                                       offset, tmpdata,
 750                                                       &readstate);
 751                         else
 752                                 continual = false;
 753                 } else if (readstate & PG_STATE_DATA) {
 754                         efuse_word_enable_data_read(0, tmpdata, data);
 755                         efuse_addr = efuse_addr + (word_cnts * 2) + 1;
 756                         readstate = PG_STATE_HEADER;
 757                 }
 758
 759         }
 760
 761         if ((data[0] == 0xff) && (data[1] == 0xff) &&
 762             (data[2] == 0xff) && (data[3] == 0xff) &&
 763             (data[4] == 0xff) && (data[5] == 0xff) &&
 764             (data[6] == 0xff) && (data[7] == 0xff))
 765                 return false;
 766         else
 767                 return true;
 768
 769 }
 770
 771 static void efuse_write_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 772                         u8 efuse_data, u8 offset, int *continual,
 773                         u8 *write_state, struct pgpkt_struct *target_pkt,
 774                         int *repeat_times, int *result, u8 word_en)
 775 {
 776         struct rtl_priv *rtlpriv = rtl_priv(hw);
 777         struct pgpkt_struct tmp_pkt;
 778         bool dataempty = true;
 779         u8 originaldata[8 * sizeof(u8)];
 780         u8 badworden = 0x0F;
 781         u8 match_word_en, tmp_word_en;
 782         u8 tmpindex;
 783         u8 tmp_header = efuse_data;
 784         u8 tmp_word_cnts;
 785
 786         tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 787         tmp_pkt.word_en = tmp_header & 0x0F;
 788         tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 789
 790         if (tmp_pkt.offset != target_pkt->offset) {
 791                 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 792                 *write_state = PG_STATE_HEADER;
 793         } else {
 794                 for (tmpindex = 0; tmpindex < (tmp_word_cnts * 2); tmpindex++) {
 795                         u16 address = *efuse_addr + 1 + tmpindex;
 796                         if (efuse_one_byte_read(hw, address,
 797                              &efuse_data) && (efuse_data != 0xFF))
 798                                 dataempty = false;
 799                 }
 800
 801                 if (!dataempty) {
 802                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 803                         *write_state = PG_STATE_HEADER;
 804                 } else {
 805                         match_word_en = 0x0F;
 806                         if (!((target_pkt->word_en & BIT(0)) |
 807                              (tmp_pkt.word_en & BIT(0))))
 808                                 match_word_en &= (~BIT(0));
 809
 810                         if (!((target_pkt->word_en & BIT(1)) |
 811                              (tmp_pkt.word_en & BIT(1))))
 812                                 match_word_en &= (~BIT(1));
 813
 814                         if (!((target_pkt->word_en & BIT(2)) |
 815                              (tmp_pkt.word_en & BIT(2))))
 816                                 match_word_en &= (~BIT(2));
 817
 818                         if (!((target_pkt->word_en & BIT(3)) |
 819                              (tmp_pkt.word_en & BIT(3))))
 820                                 match_word_en &= (~BIT(3));
 821
 822                         if ((match_word_en & 0x0F) != 0x0F) {
 823                                 badworden = efuse_word_enable_data_write(
 824                                                             hw, *efuse_addr + 1,
 825                                                             tmp_pkt.word_en,
 826                                                             target_pkt->data);
 827
 828                                 if (0x0F != (badworden & 0x0F)) {
 829                                         u8 reorg_offset = offset;
 830                                         u8 reorg_worden = badworden;
 831                                         efuse_pg_packet_write(hw, reorg_offset,
 832                                                                reorg_worden,
 833                                                                originaldata);
 834                                 }
 835
 836                                 tmp_word_en = 0x0F;
 837                                 if ((target_pkt->word_en & BIT(0)) ^
 838                                     (match_word_en & BIT(0)))
 839                                         tmp_word_en &= (~BIT(0));
 840
 841                                 if ((target_pkt->word_en & BIT(1)) ^
 842                                     (match_word_en & BIT(1)))
 843                                         tmp_word_en &= (~BIT(1));
 844
 845                                 if ((target_pkt->word_en & BIT(2)) ^
 846                                      (match_word_en & BIT(2)))
 847                                         tmp_word_en &= (~BIT(2));
 848
 849                                 if ((target_pkt->word_en & BIT(3)) ^
 850                                      (match_word_en & BIT(3)))
 851                                         tmp_word_en &= (~BIT(3));
 852
 853                                 if ((tmp_word_en & 0x0F) != 0x0F) {
 854                                         *efuse_addr = efuse_get_current_size(hw);
 855                                         target_pkt->offset = offset;
 856                                         target_pkt->word_en = tmp_word_en;
 857                                 } else {
 858                                         *continual = false;
 859                                 }
 860                                 *write_state = PG_STATE_HEADER;
 861                                 *repeat_times += 1;
 862                                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 863                                         *continual = false;
 864                                         *result = false;
 865                                 }
 866                         } else {
 867                                 *efuse_addr += (2 * tmp_word_cnts) + 1;
 868                                 target_pkt->offset = offset;
 869                                 target_pkt->word_en = word_en;
 870                                 *write_state = PG_STATE_HEADER;
 871                         }
 872                 }
 873         }
 874         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,  "efuse PG_STATE_HEADER-1\n");
 875 }
 876
 877 static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
 878                                    int *continual, u8 *write_state,
 879                                    struct pgpkt_struct target_pkt,
 880                                    int *repeat_times, int *result)
 881 {
 882         struct rtl_priv *rtlpriv = rtl_priv(hw);
 883         struct pgpkt_struct tmp_pkt;
 884         u8 pg_header;
 885         u8 tmp_header;
 886         u8 originaldata[8 * sizeof(u8)];
 887         u8 tmp_word_cnts;
 888         u8 badworden = 0x0F;
 889
 890         pg_header = ((target_pkt.offset << 4) & 0xf0) | target_pkt.word_en;
 891         efuse_one_byte_write(hw, *efuse_addr, pg_header);
 892         efuse_one_byte_read(hw, *efuse_addr, &tmp_header);
 893
 894         if (tmp_header == pg_header) {
 895                 *write_state = PG_STATE_DATA;
 896         } else if (tmp_header == 0xFF) {
 897                 *write_state = PG_STATE_HEADER;
 898                 *repeat_times += 1;
 899                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 900                         *continual = false;
 901                         *result = false;
 902                 }
 903         } else {
 904                 tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 905                 tmp_pkt.word_en = tmp_header & 0x0F;
 906
 907                 tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 908
 909                 memset(originaldata, 0xff, 8 * sizeof(u8));
 910
 911                 if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) {
 912                         badworden = efuse_word_enable_data_write(hw,
 913                                     *efuse_addr + 1, 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 + (tmp_word_cnts * 2)
 925                                               + 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, 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                         badworden = 0x0F;
 978                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 979                                 "efuse PG_STATE_HEADER\n");
 980
 981                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
 982                             (efuse_data != 0xFF))
 983                                 efuse_write_data_case1(hw, &efuse_addr,
 984                                                        efuse_data, offset,
 985                                                        &continual,
 986                                                        &write_state, &target_pkt,
 987                                                        &repeat_times, &result,
 988                                                        word_en);
 989                         else
 990                                 efuse_write_data_case2(hw, &efuse_addr,
 991                                                        &continual,
 992                                                        &write_state,
 993                                                        target_pkt,
 994                                                        &repeat_times,
 995                                                        &result);
 996
 997                 } else if (write_state == PG_STATE_DATA) {
 998                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 999                                 "efuse PG_STATE_DATA\n");
1000                         badworden =
1001                             efuse_word_enable_data_write(hw, efuse_addr + 1,
1002                                                          target_pkt.word_en,
1003                                                          target_pkt.data);
1004
1005                         if ((badworden & 0x0F) == 0x0F) {
1006                                 continual = false;
1007                         } else {
1008                                 efuse_addr += (2 * target_word_cnts) + 1;
1009
1010                                 target_pkt.offset = offset;
1011                                 target_pkt.word_en = badworden;
1012                                 target_word_cnts =
1013                                     efuse_calculate_word_cnts(target_pkt.
1014                                                               word_en);
1015                                 write_state = PG_STATE_HEADER;
1016                                 repeat_times++;
1017                                 if (repeat_times > EFUSE_REPEAT_THRESHOLD_) {
1018                                         continual = false;
1019                                         result = false;
1020                                 }
1021                                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
1022                                         "efuse PG_STATE_HEADER-3\n");
1023                         }
1024                 }
1025         }
1026
1027         if (efuse_addr >= (EFUSE_MAX_SIZE -
1028             rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
1029                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1030                          "efuse_addr(%#x) Out of size!!\n", efuse_addr);
1031         }
1032
1033         return true;
1034 }
1035
1036 static void efuse_word_enable_data_read(u8 word_en,
1037                                         u8 *sourdata, u8 *targetdata)
1038 {
1039         if (!(word_en & BIT(0))) {
1040                 targetdata[0] = sourdata[0];
1041                 targetdata[1] = sourdata[1];
1042         }
1043
1044         if (!(word_en & BIT(1))) {
1045                 targetdata[2] = sourdata[2];
1046                 targetdata[3] = sourdata[3];
1047         }
1048
1049         if (!(word_en & BIT(2))) {
1050                 targetdata[4] = sourdata[4];
1051                 targetdata[5] = sourdata[5];
1052         }
1053
1054         if (!(word_en & BIT(3))) {
1055                 targetdata[6] = sourdata[6];
1056                 targetdata[7] = sourdata[7];
1057         }
1058 }
1059
1060 static u8 efuse_word_enable_data_write(struct ieee80211_hw *hw,
1061                                        u16 efuse_addr, u8 word_en, u8 *data)
1062 {
1063         struct rtl_priv *rtlpriv = rtl_priv(hw);
1064         u16 tmpaddr;
1065         u16 start_addr = efuse_addr;
1066         u8 badworden = 0x0F;
1067         u8 tmpdata[8];
1068
1069         memset(tmpdata, 0xff, PGPKT_DATA_SIZE);
1070         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "word_en = %x efuse_addr=%x\n",
1071                  word_en, efuse_addr);
1072
1073         if (!(word_en & BIT(0))) {
1074                 tmpaddr = start_addr;
1075                 efuse_one_byte_write(hw, start_addr++, data[0]);
1076                 efuse_one_byte_write(hw, start_addr++, data[1]);
1077
1078                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[0]);
1079                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[1]);
1080                 if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1]))
1081                         badworden &= (~BIT(0));
1082         }
1083
1084         if (!(word_en & BIT(1))) {
1085                 tmpaddr = start_addr;
1086                 efuse_one_byte_write(hw, start_addr++, data[2]);
1087                 efuse_one_byte_write(hw, start_addr++, data[3]);
1088
1089                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[2]);
1090                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[3]);
1091                 if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3]))
1092                         badworden &= (~BIT(1));
1093         }
1094
1095         if (!(word_en & BIT(2))) {
1096                 tmpaddr = start_addr;
1097                 efuse_one_byte_write(hw, start_addr++, data[4]);
1098                 efuse_one_byte_write(hw, start_addr++, data[5]);
1099
1100                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[4]);
1101                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[5]);
1102                 if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5]))
1103                         badworden &= (~BIT(2));
1104         }
1105
1106         if (!(word_en & BIT(3))) {
1107                 tmpaddr = start_addr;
1108                 efuse_one_byte_write(hw, start_addr++, data[6]);
1109                 efuse_one_byte_write(hw, start_addr++, data[7]);
1110
1111                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[6]);
1112                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[7]);
1113                 if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7]))
1114                         badworden &= (~BIT(3));
1115         }
1116
1117         return badworden;
1118 }
1119
1120 static void efuse_power_switch(struct ieee80211_hw *hw, u8 write, u8 pwrstate)
1121 {
1122         struct rtl_priv *rtlpriv = rtl_priv(hw);
1123         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1124         u8 tempval;
1125         u16 tmpV16;
1126
1127         if (pwrstate && (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE)) {
1128                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8188EE)
1129                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_ACCESS],
1130                                        0x69);
1131
1132                 tmpV16 = rtl_read_word(rtlpriv,
1133                                        rtlpriv->cfg->maps[SYS_ISO_CTRL]);
1134                 if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
1135                         tmpV16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V];
1136                         rtl_write_word(rtlpriv,
1137                                        rtlpriv->cfg->maps[SYS_ISO_CTRL],
1138                                        tmpV16);
1139                 }
1140
1141                 tmpV16 = rtl_read_word(rtlpriv,
1142                                        rtlpriv->cfg->maps[SYS_FUNC_EN]);
1143                 if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) {
1144                         tmpV16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR];
1145                         rtl_write_word(rtlpriv,
1146                                        rtlpriv->cfg->maps[SYS_FUNC_EN], tmpV16);
1147                 }
1148
1149                 tmpV16 = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_CLK]);
1150                 if ((!(tmpV16 & rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN])) ||
1151                     (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_ANA8M]))) {
1152                         tmpV16 |= (rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN] |
1153                                    rtlpriv->cfg->maps[EFUSE_ANA8M]);
1154                         rtl_write_word(rtlpriv,
1155                                        rtlpriv->cfg->maps[SYS_CLK], tmpV16);
1156                 }
1157         }
1158
1159         if (pwrstate) {
1160                 if (write) {
1161                         tempval = rtl_read_byte(rtlpriv,
1162                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1163                                                 3);
1164
1165                         if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE) {
1166                                 tempval &= 0x0F;
1167                                 tempval |= (VOLTAGE_V25 << 4);
1168                         }
1169
1170                         rtl_write_byte(rtlpriv,
1171                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1172                                        (tempval | 0x80));
1173                 }
1174
1175                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1176                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1177                                                 0x03);
1178                 }
1179
1180         } else {
1181                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8188EE)
1182                         rtl_write_byte(rtlpriv,
1183                                        rtlpriv->cfg->maps[EFUSE_ACCESS], 0);
1184
1185                 if (write) {
1186                         tempval = rtl_read_byte(rtlpriv,
1187                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1188                                                 3);
1189                         rtl_write_byte(rtlpriv,
1190                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1191                                        (tempval & 0x7F));
1192                 }
1193
1194                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1195                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1196                                                 0x02);
1197                 }
1198
1199         }
1200
1201 }
1202
1203 static u16 efuse_get_current_size(struct ieee80211_hw *hw)
1204 {
1205         int continual = true;
1206         u16 efuse_addr = 0;
1207         u8 hworden;
1208         u8 efuse_data, word_cnts;
1209
1210         while (continual && efuse_one_byte_read(hw, efuse_addr, &efuse_data)
1211                && (efuse_addr < EFUSE_MAX_SIZE)) {
1212                 if (efuse_data != 0xFF) {
1213                         hworden = efuse_data & 0x0F;
1214                         word_cnts = efuse_calculate_word_cnts(hworden);
1215                         efuse_addr = efuse_addr + (word_cnts * 2) + 1;
1216                 } else {
1217                         continual = false;
1218                 }
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