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

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