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 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 = kmalloc(EFUSE_MAX_WORD_UNIT * sizeof(u16 *), GFP_ATOMIC);
 266         if (!efuse_word)
 267                 goto done;
 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         kfree(efuse_tbl);
 382 }
 383
 384 bool efuse_shadow_update_chk(struct ieee80211_hw *hw)
 385 {
 386         struct rtl_priv *rtlpriv = rtl_priv(hw);
 387         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 388         u8 section_idx, i, Base;
 389         u16 words_need = 0, hdr_num = 0, totalbytes, efuse_used;
 390         bool wordchanged, result = true;
 391
 392         for (section_idx = 0; section_idx < 16; section_idx++) {
 393                 Base = section_idx * 8;
 394                 wordchanged = false;
 395
 396                 for (i = 0; i < 8; i = i + 2) {
 397                         if ((rtlefuse->efuse_map[EFUSE_INIT_MAP][Base + i] !=
 398                              rtlefuse->efuse_map[EFUSE_MODIFY_MAP][Base + i]) ||
 399                             (rtlefuse->efuse_map[EFUSE_INIT_MAP][Base + i + 1] !=
 400                              rtlefuse->efuse_map[EFUSE_MODIFY_MAP][Base + i +
 401                                                                    1])) {
 402                                 words_need++;
 403                                 wordchanged = true;
 404                         }
 405                 }
 406
 407                 if (wordchanged)
 408                         hdr_num++;
 409         }
 410
 411         totalbytes = hdr_num + words_need * 2;
 412         efuse_used = rtlefuse->efuse_usedbytes;
 413
 414         if ((totalbytes + efuse_used) >=
 415             (EFUSE_MAX_SIZE -
 416              rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))
 417                 result = false;
 418
 419         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 420                  "efuse_shadow_update_chk(): totalbytes(%#x), hdr_num(%#x), words_need(%#x), efuse_used(%d)\n",
 421                  totalbytes, hdr_num, words_need, efuse_used);
 422
 423         return result;
 424 }
 425
 426 void efuse_shadow_read(struct ieee80211_hw *hw, u8 type,
 427                        u16 offset, u32 *value)
 428 {
 429         if (type == 1)
 430                 efuse_shadow_read_1byte(hw, offset, (u8 *) value);
 431         else if (type == 2)
 432                 efuse_shadow_read_2byte(hw, offset, (u16 *) value);
 433         else if (type == 4)
 434                 efuse_shadow_read_4byte(hw, offset, value);
 435
 436 }
 437
 438 void efuse_shadow_write(struct ieee80211_hw *hw, u8 type, u16 offset,
 439                                 u32 value)
 440 {
 441         if (type == 1)
 442                 efuse_shadow_write_1byte(hw, offset, (u8) value);
 443         else if (type == 2)
 444                 efuse_shadow_write_2byte(hw, offset, (u16) value);
 445         else if (type == 4)
 446                 efuse_shadow_write_4byte(hw, offset, value);
 447
 448 }
 449
 450 bool efuse_shadow_update(struct ieee80211_hw *hw)
 451 {
 452         struct rtl_priv *rtlpriv = rtl_priv(hw);
 453         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 454         u16 i, offset, base;
 455         u8 word_en = 0x0F;
 456         u8 first_pg = false;
 457
 458         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "--->\n");
 459
 460         if (!efuse_shadow_update_chk(hw)) {
 461                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 462                 memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 463                        &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 464                        rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 465
 466                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 467                          "<---efuse out of capacity!!\n");
 468                 return false;
 469         }
 470         efuse_power_switch(hw, true, true);
 471
 472         for (offset = 0; offset < 16; offset++) {
 473
 474                 word_en = 0x0F;
 475                 base = offset * 8;
 476
 477                 for (i = 0; i < 8; i++) {
 478                         if (first_pg) {
 479
 480                                 word_en &= ~(BIT(i / 2));
 481
 482                                 rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 483                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 484                         } else {
 485
 486                                 if (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
 487                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) {
 488                                         word_en &= ~(BIT(i / 2));
 489
 490                                         rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 491                                             rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 492                                 }
 493                         }
 494                 }
 495
 496                 if (word_en != 0x0F) {
 497                         u8 tmpdata[8];
 498                         memcpy(tmpdata,
 499                                &rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base],
 500                                8);
 501                         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD,
 502                                       "U-efuse", tmpdata, 8);
 503
 504                         if (!efuse_pg_packet_write(hw, (u8) offset, word_en,
 505                                                    tmpdata)) {
 506                                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 507                                          "PG section(%#x) fail!!\n", offset);
 508                                 break;
 509                         }
 510                 }
 511
 512         }
 513
 514         efuse_power_switch(hw, true, false);
 515         efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 516
 517         memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 518                &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 519                rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 520
 521         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "<---\n");
 522         return true;
 523 }
 524
 525 void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw)
 526 {
 527         struct rtl_priv *rtlpriv = rtl_priv(hw);
 528         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 529
 530         if (rtlefuse->autoload_failflag)
 531                 memset(&rtlefuse->efuse_map[EFUSE_INIT_MAP][0], 0xFF,
 532                         rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 533         else
 534                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 535
 536         memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 537                &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 538                rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 539
 540 }
 541 EXPORT_SYMBOL(rtl_efuse_shadow_map_update);
 542
 543 void efuse_force_write_vendor_Id(struct ieee80211_hw *hw)
 544 {
 545         u8 tmpdata[8] = { 0xFF, 0xFF, 0xEC, 0x10, 0xFF, 0xFF, 0xFF, 0xFF };
 546
 547         efuse_power_switch(hw, true, true);
 548
 549         efuse_pg_packet_write(hw, 1, 0xD, tmpdata);
 550
 551         efuse_power_switch(hw, true, false);
 552
 553 }
 554
 555 void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx)
 556 {
 557 }
 558
 559 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw,
 560                                     u16 offset, u8 *value)
 561 {
 562         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 563         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 564 }
 565
 566 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw,
 567                                     u16 offset, u16 *value)
 568 {
 569         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 570
 571         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 572         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 573
 574 }
 575
 576 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw,
 577                                     u16 offset, u32 *value)
 578 {
 579         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 580
 581         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 582         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 583         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] << 16;
 584         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] << 24;
 585 }
 586
 587 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw,
 588                                      u16 offset, u8 value)
 589 {
 590         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 591
 592         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value;
 593 }
 594
 595 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw,
 596                                      u16 offset, u16 value)
 597 {
 598         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 599
 600         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value & 0x00FF;
 601         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] = value >> 8;
 602
 603 }
 604
 605 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw,
 606                                      u16 offset, u32 value)
 607 {
 608         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 609
 610         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] =
 611             (u8) (value & 0x000000FF);
 612         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] =
 613             (u8) ((value >> 8) & 0x0000FF);
 614         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] =
 615             (u8) ((value >> 16) & 0x00FF);
 616         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] =
 617             (u8) ((value >> 24) & 0xFF);
 618
 619 }
 620
 621 static int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, u8 *data)
 622 {
 623         struct rtl_priv *rtlpriv = rtl_priv(hw);
 624         u8 tmpidx = 0;
 625         int result;
 626
 627         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 628                        (u8) (addr & 0xff));
 629         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 630                        ((u8) ((addr >> 8) & 0x03)) |
 631                        (rtl_read_byte(rtlpriv,
 632                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 2) &
 633                         0xFC));
 634
 635         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
 636
 637         while (!(0x80 & rtl_read_byte(rtlpriv,
 638                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
 639                && (tmpidx < 100)) {
 640                 tmpidx++;
 641         }
 642
 643         if (tmpidx < 100) {
 644                 *data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 645                 result = true;
 646         } else {
 647                 *data = 0xff;
 648                 result = false;
 649         }
 650         return result;
 651 }
 652
 653 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data)
 654 {
 655         struct rtl_priv *rtlpriv = rtl_priv(hw);
 656         u8 tmpidx = 0;
 657
 658         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "Addr = %x Data=%x\n",
 659                  addr, data);
 660
 661         rtl_write_byte(rtlpriv,
 662                        rtlpriv->cfg->maps[EFUSE_CTRL] + 1, (u8) (addr & 0xff));
 663         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 664                        (rtl_read_byte(rtlpriv,
 665                          rtlpriv->cfg->maps[EFUSE_CTRL] +
 666                          2) & 0xFC) | (u8) ((addr >> 8) & 0x03));
 667
 668         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], data);
 669         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0xF2);
 670
 671         while ((0x80 & rtl_read_byte(rtlpriv,
 672                                      rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
 673                && (tmpidx < 100)) {
 674                 tmpidx++;
 675         }
 676
 677         if (tmpidx < 100)
 678                 return true;
 679
 680         return false;
 681 }
 682
 683 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 * efuse)
 684 {
 685         struct rtl_priv *rtlpriv = rtl_priv(hw);
 686         efuse_power_switch(hw, false, true);
 687         read_efuse(hw, 0, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE], efuse);
 688         efuse_power_switch(hw, false, false);
 689 }
 690
 691 static void efuse_read_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 692                                 u8 efuse_data, u8 offset, u8 *tmpdata,
 693                                 u8 *readstate)
 694 {
 695         bool dataempty = true;
 696         u8 hoffset;
 697         u8 tmpidx;
 698         u8 hworden;
 699         u8 word_cnts;
 700
 701         hoffset = (efuse_data >> 4) & 0x0F;
 702         hworden = efuse_data & 0x0F;
 703         word_cnts = efuse_calculate_word_cnts(hworden);
 704
 705         if (hoffset == offset) {
 706                 for (tmpidx = 0; tmpidx < word_cnts * 2; tmpidx++) {
 707                         if (efuse_one_byte_read(hw, *efuse_addr + 1 + tmpidx,
 708                             &efuse_data)) {
 709                                 tmpdata[tmpidx] = efuse_data;
 710                                 if (efuse_data != 0xff)
 711                                         dataempty = true;
 712                         }
 713                 }
 714
 715                 if (dataempty) {
 716                         *readstate = PG_STATE_DATA;
 717                 } else {
 718                         *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 719                         *readstate = PG_STATE_HEADER;
 720                 }
 721
 722         } else {
 723                 *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 724                 *readstate = PG_STATE_HEADER;
 725         }
 726 }
 727
 728 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data)
 729 {
 730         u8 readstate = PG_STATE_HEADER;
 731         bool continual = true;
 732         u8 efuse_data, word_cnts = 0;
 733         u16 efuse_addr = 0;
 734         u8 tmpdata[8];
 735
 736         if (data == NULL)
 737                 return false;
 738         if (offset > 15)
 739                 return false;
 740
 741         memset(data, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
 742         memset(tmpdata, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
 743
 744         while (continual && (efuse_addr < EFUSE_MAX_SIZE)) {
 745                 if (readstate & PG_STATE_HEADER) {
 746                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data)
 747                             && (efuse_data != 0xFF))
 748                                 efuse_read_data_case1(hw, &efuse_addr,
 749                                                       efuse_data,
 750                                                       offset, tmpdata,
 751                                                       &readstate);
 752                         else
 753                                 continual = false;
 754                 } else if (readstate & PG_STATE_DATA) {
 755                         efuse_word_enable_data_read(0, tmpdata, data);
 756                         efuse_addr = efuse_addr + (word_cnts * 2) + 1;
 757                         readstate = PG_STATE_HEADER;
 758                 }
 759
 760         }
 761
 762         if ((data[0] == 0xff) && (data[1] == 0xff) &&
 763             (data[2] == 0xff) && (data[3] == 0xff) &&
 764             (data[4] == 0xff) && (data[5] == 0xff) &&
 765             (data[6] == 0xff) && (data[7] == 0xff))
 766                 return false;
 767         else
 768                 return true;
 769
 770 }
 771
 772 static void efuse_write_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 773                         u8 efuse_data, u8 offset, int *continual,
 774                         u8 *write_state, struct pgpkt_struct *target_pkt,
 775                         int *repeat_times, int *result, u8 word_en)
 776 {
 777         struct rtl_priv *rtlpriv = rtl_priv(hw);
 778         struct pgpkt_struct tmp_pkt;
 779         bool dataempty = true;
 780         u8 originaldata[8 * sizeof(u8)];
 781         u8 badworden = 0x0F;
 782         u8 match_word_en, tmp_word_en;
 783         u8 tmpindex;
 784         u8 tmp_header = efuse_data;
 785         u8 tmp_word_cnts;
 786
 787         tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 788         tmp_pkt.word_en = tmp_header & 0x0F;
 789         tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 790
 791         if (tmp_pkt.offset != target_pkt->offset) {
 792                 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 793                 *write_state = PG_STATE_HEADER;
 794         } else {
 795                 for (tmpindex = 0; tmpindex < (tmp_word_cnts * 2); tmpindex++) {
 796                         u16 address = *efuse_addr + 1 + tmpindex;
 797                         if (efuse_one_byte_read(hw, address,
 798                              &efuse_data) && (efuse_data != 0xFF))
 799                                 dataempty = false;
 800                 }
 801
 802                 if (!dataempty) {
 803                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 804                         *write_state = PG_STATE_HEADER;
 805                 } else {
 806                         match_word_en = 0x0F;
 807                         if (!((target_pkt->word_en & BIT(0)) |
 808                              (tmp_pkt.word_en & BIT(0))))
 809                                 match_word_en &= (~BIT(0));
 810
 811                         if (!((target_pkt->word_en & BIT(1)) |
 812                              (tmp_pkt.word_en & BIT(1))))
 813                                 match_word_en &= (~BIT(1));
 814
 815                         if (!((target_pkt->word_en & BIT(2)) |
 816                              (tmp_pkt.word_en & BIT(2))))
 817                                 match_word_en &= (~BIT(2));
 818
 819                         if (!((target_pkt->word_en & BIT(3)) |
 820                              (tmp_pkt.word_en & BIT(3))))
 821                                 match_word_en &= (~BIT(3));
 822
 823                         if ((match_word_en & 0x0F) != 0x0F) {
 824                                 badworden = efuse_word_enable_data_write(
 825                                                             hw, *efuse_addr + 1,
 826                                                             tmp_pkt.word_en,
 827                                                             target_pkt->data);
 828
 829                                 if (0x0F != (badworden & 0x0F)) {
 830                                         u8 reorg_offset = offset;
 831                                         u8 reorg_worden = badworden;
 832                                         efuse_pg_packet_write(hw, reorg_offset,
 833                                                                reorg_worden,
 834                                                                originaldata);
 835                                 }
 836
 837                                 tmp_word_en = 0x0F;
 838                                 if ((target_pkt->word_en & BIT(0)) ^
 839                                     (match_word_en & BIT(0)))
 840                                         tmp_word_en &= (~BIT(0));
 841
 842                                 if ((target_pkt->word_en & BIT(1)) ^
 843                                     (match_word_en & BIT(1)))
 844                                         tmp_word_en &= (~BIT(1));
 845
 846                                 if ((target_pkt->word_en & BIT(2)) ^
 847                                      (match_word_en & BIT(2)))
 848                                         tmp_word_en &= (~BIT(2));
 849
 850                                 if ((target_pkt->word_en & BIT(3)) ^
 851                                      (match_word_en & BIT(3)))
 852                                         tmp_word_en &= (~BIT(3));
 853
 854                                 if ((tmp_word_en & 0x0F) != 0x0F) {
 855                                         *efuse_addr = efuse_get_current_size(hw);
 856                                         target_pkt->offset = offset;
 857                                         target_pkt->word_en = tmp_word_en;
 858                                 } else {
 859                                         *continual = false;
 860                                 }
 861                                 *write_state = PG_STATE_HEADER;
 862                                 *repeat_times += 1;
 863                                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 864                                         *continual = false;
 865                                         *result = false;
 866                                 }
 867                         } else {
 868                                 *efuse_addr += (2 * tmp_word_cnts) + 1;
 869                                 target_pkt->offset = offset;
 870                                 target_pkt->word_en = word_en;
 871                                 *write_state = PG_STATE_HEADER;
 872                         }
 873                 }
 874         }
 875         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,  "efuse PG_STATE_HEADER-1\n");
 876 }
 877
 878 static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
 879                                    int *continual, u8 *write_state,
 880                                    struct pgpkt_struct target_pkt,
 881                                    int *repeat_times, int *result)
 882 {
 883         struct rtl_priv *rtlpriv = rtl_priv(hw);
 884         struct pgpkt_struct tmp_pkt;
 885         u8 pg_header;
 886         u8 tmp_header;
 887         u8 originaldata[8 * sizeof(u8)];
 888         u8 tmp_word_cnts;
 889         u8 badworden = 0x0F;
 890
 891         pg_header = ((target_pkt.offset << 4) & 0xf0) | target_pkt.word_en;
 892         efuse_one_byte_write(hw, *efuse_addr, pg_header);
 893         efuse_one_byte_read(hw, *efuse_addr, &tmp_header);
 894
 895         if (tmp_header == pg_header) {
 896                 *write_state = PG_STATE_DATA;
 897         } else if (tmp_header == 0xFF) {
 898                 *write_state = PG_STATE_HEADER;
 899                 *repeat_times += 1;
 900                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 901                         *continual = false;
 902                         *result = false;
 903                 }
 904         } else {
 905                 tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 906                 tmp_pkt.word_en = tmp_header & 0x0F;
 907
 908                 tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 909
 910                 memset(originaldata, 0xff, 8 * sizeof(u8));
 911
 912                 if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) {
 913                         badworden = efuse_word_enable_data_write(hw,
 914                                     *efuse_addr + 1, tmp_pkt.word_en,
 915                                     originaldata);
 916
 917                         if (0x0F != (badworden & 0x0F)) {
 918                                 u8 reorg_offset = tmp_pkt.offset;
 919                                 u8 reorg_worden = badworden;
 920                                 efuse_pg_packet_write(hw, reorg_offset,
 921                                                       reorg_worden,
 922                                                       originaldata);
 923                                 *efuse_addr = efuse_get_current_size(hw);
 924                         } else {
 925                                 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2)
 926                                               + 1;
 927                         }
 928                 } else {
 929                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 930                 }
 931
 932                 *write_state = PG_STATE_HEADER;
 933                 *repeat_times += 1;
 934                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 935                         *continual = false;
 936                         *result = false;
 937                 }
 938
 939                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 940                         "efuse PG_STATE_HEADER-2\n");
 941         }
 942 }
 943
 944 static int efuse_pg_packet_write(struct ieee80211_hw *hw,
 945                                  u8 offset, u8 word_en, u8 *data)
 946 {
 947         struct rtl_priv *rtlpriv = rtl_priv(hw);
 948         struct pgpkt_struct target_pkt;
 949         u8 write_state = PG_STATE_HEADER;
 950         int continual = true, result = true;
 951         u16 efuse_addr = 0;
 952         u8 efuse_data;
 953         u8 target_word_cnts = 0;
 954         u8 badworden = 0x0F;
 955         static int repeat_times;
 956
 957         if (efuse_get_current_size(hw) >= (EFUSE_MAX_SIZE -
 958             rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
 959                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 960                         "efuse_pg_packet_write error\n");
 961                 return false;
 962         }
 963
 964         target_pkt.offset = offset;
 965         target_pkt.word_en = word_en;
 966
 967         memset(target_pkt.data, 0xFF, 8 * sizeof(u8));
 968
 969         efuse_word_enable_data_read(word_en, data, target_pkt.data);
 970         target_word_cnts = efuse_calculate_word_cnts(target_pkt.word_en);
 971
 972         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,  "efuse Power ON\n");
 973
 974         while (continual && (efuse_addr < (EFUSE_MAX_SIZE -
 975                rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))) {
 976
 977                 if (write_state == PG_STATE_HEADER) {
 978                         badworden = 0x0F;
 979                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 980                                 "efuse PG_STATE_HEADER\n");
 981
 982                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
 983                             (efuse_data != 0xFF))
 984                                 efuse_write_data_case1(hw, &efuse_addr,
 985                                                        efuse_data, offset,
 986                                                        &continual,
 987                                                        &write_state, &target_pkt,
 988                                                        &repeat_times, &result,
 989                                                        word_en);
 990                         else
 991                                 efuse_write_data_case2(hw, &efuse_addr,
 992                                                        &continual,
 993                                                        &write_state,
 994                                                        target_pkt,
 995                                                        &repeat_times,
 996                                                        &result);
 997
 998                 } else if (write_state == PG_STATE_DATA) {
 999                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
1000                                 "efuse PG_STATE_DATA\n");
1001                         badworden =
1002                             efuse_word_enable_data_write(hw, efuse_addr + 1,
1003                                                          target_pkt.word_en,
1004                                                          target_pkt.data);
1005
1006                         if ((badworden & 0x0F) == 0x0F) {
1007                                 continual = false;
1008                         } else {
1009                                 efuse_addr += (2 * target_word_cnts) + 1;
1010
1011                                 target_pkt.offset = offset;
1012                                 target_pkt.word_en = badworden;
1013                                 target_word_cnts =
1014                                     efuse_calculate_word_cnts(target_pkt.
1015                                                               word_en);
1016                                 write_state = PG_STATE_HEADER;
1017                                 repeat_times++;
1018                                 if (repeat_times > EFUSE_REPEAT_THRESHOLD_) {
1019                                         continual = false;
1020                                         result = false;
1021                                 }
1022                                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
1023                                         "efuse PG_STATE_HEADER-3\n");
1024                         }
1025                 }
1026         }
1027
1028         if (efuse_addr >= (EFUSE_MAX_SIZE -
1029             rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
1030                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1031                          "efuse_addr(%#x) Out of size!!\n", efuse_addr);
1032         }
1033
1034         return true;
1035 }
1036
1037 static void efuse_word_enable_data_read(u8 word_en,
1038                                         u8 *sourdata, u8 *targetdata)
1039 {
1040         if (!(word_en & BIT(0))) {
1041                 targetdata[0] = sourdata[0];
1042                 targetdata[1] = sourdata[1];
1043         }
1044
1045         if (!(word_en & BIT(1))) {
1046                 targetdata[2] = sourdata[2];
1047                 targetdata[3] = sourdata[3];
1048         }
1049
1050         if (!(word_en & BIT(2))) {
1051                 targetdata[4] = sourdata[4];
1052                 targetdata[5] = sourdata[5];
1053         }
1054
1055         if (!(word_en & BIT(3))) {
1056                 targetdata[6] = sourdata[6];
1057                 targetdata[7] = sourdata[7];
1058         }
1059 }
1060
1061 static u8 efuse_word_enable_data_write(struct ieee80211_hw *hw,
1062                                        u16 efuse_addr, u8 word_en, u8 *data)
1063 {
1064         struct rtl_priv *rtlpriv = rtl_priv(hw);
1065         u16 tmpaddr;
1066         u16 start_addr = efuse_addr;
1067         u8 badworden = 0x0F;
1068         u8 tmpdata[8];
1069
1070         memset(tmpdata, 0xff, PGPKT_DATA_SIZE);
1071         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "word_en = %x efuse_addr=%x\n",
1072                  word_en, efuse_addr);
1073
1074         if (!(word_en & BIT(0))) {
1075                 tmpaddr = start_addr;
1076                 efuse_one_byte_write(hw, start_addr++, data[0]);
1077                 efuse_one_byte_write(hw, start_addr++, data[1]);
1078
1079                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[0]);
1080                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[1]);
1081                 if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1]))
1082                         badworden &= (~BIT(0));
1083         }
1084
1085         if (!(word_en & BIT(1))) {
1086                 tmpaddr = start_addr;
1087                 efuse_one_byte_write(hw, start_addr++, data[2]);
1088                 efuse_one_byte_write(hw, start_addr++, data[3]);
1089
1090                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[2]);
1091                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[3]);
1092                 if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3]))
1093                         badworden &= (~BIT(1));
1094         }
1095
1096         if (!(word_en & BIT(2))) {
1097                 tmpaddr = start_addr;
1098                 efuse_one_byte_write(hw, start_addr++, data[4]);
1099                 efuse_one_byte_write(hw, start_addr++, data[5]);
1100
1101                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[4]);
1102                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[5]);
1103                 if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5]))
1104                         badworden &= (~BIT(2));
1105         }
1106
1107         if (!(word_en & BIT(3))) {
1108                 tmpaddr = start_addr;
1109                 efuse_one_byte_write(hw, start_addr++, data[6]);
1110                 efuse_one_byte_write(hw, start_addr++, data[7]);
1111
1112                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[6]);
1113                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[7]);
1114                 if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7]))
1115                         badworden &= (~BIT(3));
1116         }
1117
1118         return badworden;
1119 }
1120
1121 static void efuse_power_switch(struct ieee80211_hw *hw, u8 write, u8 pwrstate)
1122 {
1123         struct rtl_priv *rtlpriv = rtl_priv(hw);
1124         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1125         u8 tempval;
1126         u16 tmpV16;
1127
1128         if (pwrstate && (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE)) {
1129                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8188EE)
1130                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_ACCESS],
1131                                        0x69);
1132
1133                 tmpV16 = rtl_read_word(rtlpriv,
1134                                        rtlpriv->cfg->maps[SYS_ISO_CTRL]);
1135                 if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
1136                         tmpV16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V];
1137                         rtl_write_word(rtlpriv,
1138                                        rtlpriv->cfg->maps[SYS_ISO_CTRL],
1139                                        tmpV16);
1140                 }
1141
1142                 tmpV16 = rtl_read_word(rtlpriv,
1143                                        rtlpriv->cfg->maps[SYS_FUNC_EN]);
1144                 if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) {
1145                         tmpV16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR];
1146                         rtl_write_word(rtlpriv,
1147                                        rtlpriv->cfg->maps[SYS_FUNC_EN], tmpV16);
1148                 }
1149
1150                 tmpV16 = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_CLK]);
1151                 if ((!(tmpV16 & rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN])) ||
1152                     (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_ANA8M]))) {
1153                         tmpV16 |= (rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN] |
1154                                    rtlpriv->cfg->maps[EFUSE_ANA8M]);
1155                         rtl_write_word(rtlpriv,
1156                                        rtlpriv->cfg->maps[SYS_CLK], tmpV16);
1157                 }
1158         }
1159
1160         if (pwrstate) {
1161                 if (write) {
1162                         tempval = rtl_read_byte(rtlpriv,
1163                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1164                                                 3);
1165
1166                         if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE) {
1167                                 tempval &= 0x0F;
1168                                 tempval |= (VOLTAGE_V25 << 4);
1169                         }
1170
1171                         rtl_write_byte(rtlpriv,
1172                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1173                                        (tempval | 0x80));
1174                 }
1175
1176                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1177                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1178                                                 0x03);
1179                 }
1180
1181         } else {
1182                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8188EE)
1183                         rtl_write_byte(rtlpriv,
1184                                        rtlpriv->cfg->maps[EFUSE_ACCESS], 0);
1185
1186                 if (write) {
1187                         tempval = rtl_read_byte(rtlpriv,
1188                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1189                                                 3);
1190                         rtl_write_byte(rtlpriv,
1191                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1192                                        (tempval & 0x7F));
1193                 }
1194
1195                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1196                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1197                                                 0x02);
1198                 }
1199
1200         }
1201
1202 }
1203
1204 static u16 efuse_get_current_size(struct ieee80211_hw *hw)
1205 {
1206         u16 efuse_addr = 0;
1207         u8 hworden;
1208         u8 efuse_data, word_cnts;
1209
1210         while (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
1211                efuse_addr < EFUSE_MAX_SIZE) {
1212                 if (efuse_data == 0xFF)
1213                         break;
1214
1215                 hworden = efuse_data & 0x0F;
1216                 word_cnts = efuse_calculate_word_cnts(hworden);
1217                 efuse_addr = efuse_addr + (word_cnts * 2) + 1;
1218         }
1219
1220         return efuse_addr;
1221 }
1222
1223 static u8 efuse_calculate_word_cnts(u8 word_en)
1224 {
1225         u8 word_cnts = 0;
1226         if (!(word_en & BIT(0)))
1227                 word_cnts++;
1228         if (!(word_en & BIT(1)))
1229                 word_cnts++;
1230         if (!(word_en & BIT(2)))
1231                 word_cnts++;
1232         if (!(word_en & BIT(3)))
1233                 word_cnts++;
1234         return word_cnts;
1235 }
1236