drivers/staging/rtlwifi/efuse.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2009-2012  Realtek Corporation.
   4  *
   5  * This 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  * This 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  * The full GNU General Public License is included in this distribution in the
  15  * file called LICENSE.
  16  *
  17  * Contact Information:
  18  * wlanfae <wlanfae@realtek.com>
  19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  20  * Hsinchu 300, Taiwan.
  21  *
  22  * Larry Finger <Larry.Finger@lwfinger.net>
  23  *
  24  *****************************************************************************/
  25 #include "wifi.h"
  26 #include "efuse.h"
  27 #include "pci.h"
  28 #include <linux/export.h>
  29
  30 static const u8 MAX_PGPKT_SIZE = 9;
  31 static const u8 PGPKT_DATA_SIZE = 8;
  32 static const int EFUSE_MAX_SIZE = 512;
  33
  34 #define START_ADDRESS           0x1000
  35 #define REG_MCUFWDL             0x0080
  36
  37 static const struct efuse_map RTL8712_SDIO_EFUSE_TABLE[] = {
  38         {0, 0, 0, 2},
  39         {0, 1, 0, 2},
  40         {0, 2, 0, 2},
  41         {1, 0, 0, 1},
  42         {1, 0, 1, 1},
  43         {1, 1, 0, 1},
  44         {1, 1, 1, 3},
  45         {1, 3, 0, 17},
  46         {3, 3, 1, 48},
  47         {10, 0, 0, 6},
  48         {10, 3, 0, 1},
  49         {10, 3, 1, 1},
  50         {11, 0, 0, 28}
  51 };
  52
  53 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw, u16 offset,
  54                                     u8 *value);
  55 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw, u16 offset,
  56                                     u16 *value);
  57 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw, u16 offset,
  58                                     u32 *value);
  59 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw, u16 offset,
  60                                      u8 value);
  61 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw, u16 offset,
  62                                      u16 value);
  63 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw, u16 offset,
  64                                      u32 value);
  65 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr,
  66                                 u8 data);
  67 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse);
  68 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset,
  69                                 u8 *data);
  70 static int efuse_pg_packet_write(struct ieee80211_hw *hw, u8 offset,
  71                                  u8 word_en, u8 *data);
  72 static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
  73                                         u8 *targetdata);
  74 static u8 enable_efuse_data_write(struct ieee80211_hw *hw,
  75                                   u16 efuse_addr, u8 word_en, u8 *data);
  76 static u16 efuse_get_current_size(struct ieee80211_hw *hw);
  77 static u8 efuse_calculate_word_cnts(u8 word_en);
  78
  79 void efuse_initialize(struct ieee80211_hw *hw)
  80 {
  81         struct rtl_priv *rtlpriv = rtl_priv(hw);
  82         u8 bytetemp;
  83         u8 temp;
  84
  85         bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1);
  86         temp = bytetemp | 0x20;
  87         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1, temp);
  88
  89         bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1);
  90         temp = bytetemp & 0xFE;
  91         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1, temp);
  92
  93         bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3);
  94         temp = bytetemp | 0x80;
  95         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3, temp);
  96
  97         rtl_write_byte(rtlpriv, 0x2F8, 0x3);
  98
  99         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
 100 }
 101
 102 u8 efuse_read_1byte(struct ieee80211_hw *hw, u16 address)
 103 {
 104         struct rtl_priv *rtlpriv = rtl_priv(hw);
 105         u8 data;
 106         u8 bytetemp;
 107         u8 temp;
 108         u32 k = 0;
 109         const u32 efuse_len =
 110                 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
 111
 112         if (address < efuse_len) {
 113                 temp = address & 0xFF;
 114                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 115                                temp);
 116                 bytetemp = rtl_read_byte(rtlpriv,
 117                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
 118                 temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
 119                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 120                                temp);
 121
 122                 bytetemp = rtl_read_byte(rtlpriv,
 123                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 124                 temp = bytetemp & 0x7F;
 125                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
 126                                temp);
 127
 128                 bytetemp = rtl_read_byte(rtlpriv,
 129                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 130                 while (!(bytetemp & 0x80)) {
 131                         bytetemp =
 132                            rtl_read_byte(rtlpriv,
 133                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 134                         k++;
 135                         if (k == 1000) {
 136                                 k = 0;
 137                                 break;
 138                         }
 139                 }
 140                 data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 141                 return data;
 142         }
 143         return 0xFF;
 144 }
 145
 146 void efuse_write_1byte(struct ieee80211_hw *hw, u16 address, u8 value)
 147 {
 148         struct rtl_priv *rtlpriv = rtl_priv(hw);
 149         u8 bytetemp;
 150         u8 temp;
 151         u32 k = 0;
 152         const u32 efuse_len =
 153                 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
 154
 155         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "Addr=%x Data =%x\n",
 156                  address, value);
 157
 158         if (address < efuse_len) {
 159                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], value);
 160
 161                 temp = address & 0xFF;
 162                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 163                                temp);
 164                 bytetemp = rtl_read_byte(rtlpriv,
 165                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
 166
 167                 temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
 168                 rtl_write_byte(rtlpriv,
 169                                rtlpriv->cfg->maps[EFUSE_CTRL] + 2, temp);
 170
 171                 bytetemp = rtl_read_byte(rtlpriv,
 172                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 173                 temp = bytetemp | 0x80;
 174                 rtl_write_byte(rtlpriv,
 175                                rtlpriv->cfg->maps[EFUSE_CTRL] + 3, temp);
 176
 177                 bytetemp = rtl_read_byte(rtlpriv,
 178                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 179
 180                 while (bytetemp & 0x80) {
 181                         bytetemp =
 182                             rtl_read_byte(rtlpriv,
 183                                           rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 184                         k++;
 185                         if (k == 100) {
 186                                 k = 0;
 187                                 break;
 188                         }
 189                 }
 190         }
 191 }
 192
 193 void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset, u8 *pbuf)
 194 {
 195         struct rtl_priv *rtlpriv = rtl_priv(hw);
 196         u32 value32;
 197         u8 readbyte;
 198         u16 retry;
 199
 200         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 201                        (_offset & 0xff));
 202         readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
 203         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 204                        ((_offset >> 8) & 0x03) | (readbyte & 0xfc));
 205
 206         readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 207         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
 208                        (readbyte & 0x7f));
 209
 210         retry = 0;
 211         value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 212         while (!(((value32 >> 24) & 0xff) & 0x80) && (retry < 10000)) {
 213                 value32 = rtl_read_dword(rtlpriv,
 214                                          rtlpriv->cfg->maps[EFUSE_CTRL]);
 215                 retry++;
 216         }
 217
 218         udelay(50);
 219         value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 220
 221         *pbuf = (u8)(value32 & 0xff);
 222 }
 223
 224 void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
 225 {
 226         struct rtl_priv *rtlpriv = rtl_priv(hw);
 227         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 228         u8 *efuse_tbl;
 229         u8 rtemp8[1];
 230         u16 efuse_addr = 0;
 231         u8 offset, wren;
 232         u8 u1temp = 0;
 233         u16 i;
 234         u16 j;
 235         const u16 efuse_max_section =
 236                 rtlpriv->cfg->maps[EFUSE_MAX_SECTION_MAP];
 237         const u32 efuse_len =
 238                 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
 239         u16 **efuse_word;
 240         u16 efuse_utilized = 0;
 241         u8 efuse_usage;
 242
 243         if ((_offset + _size_byte) > rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]) {
 244                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 245                          "%s(): Invalid offset(%#x) with read bytes(%#x)!!\n",
 246                          __func__, _offset, _size_byte);
 247                 return;
 248         }
 249
 250         /* allocate memory for efuse_tbl and efuse_word */
 251         efuse_tbl = kzalloc(rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE] *
 252                             sizeof(u8), GFP_ATOMIC);
 253         if (!efuse_tbl)
 254                 return;
 255         efuse_word = kzalloc(EFUSE_MAX_WORD_UNIT * sizeof(u16 *), GFP_ATOMIC);
 256         if (!efuse_word)
 257                 goto out;
 258         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
 259                 efuse_word[i] = kzalloc(efuse_max_section * sizeof(u16),
 260                                         GFP_ATOMIC);
 261                 if (!efuse_word[i])
 262                         goto done;
 263         }
 264
 265         for (i = 0; i < efuse_max_section; i++)
 266                 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++)
 267                         efuse_word[j][i] = 0xFFFF;
 268
 269         read_efuse_byte(hw, efuse_addr, rtemp8);
 270         if (*rtemp8 != 0xFF) {
 271                 efuse_utilized++;
 272                 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 273                         "Addr=%d\n", efuse_addr);
 274                 efuse_addr++;
 275         }
 276
 277         while ((*rtemp8 != 0xFF) && (efuse_addr < efuse_len)) {
 278                 /*  Check PG header for section num.  */
 279                 if ((*rtemp8 & 0x1F) == 0x0F) {/* extended header */
 280                         u1temp = ((*rtemp8 & 0xE0) >> 5);
 281                         read_efuse_byte(hw, efuse_addr, rtemp8);
 282
 283                         if ((*rtemp8 & 0x0F) == 0x0F) {
 284                                 efuse_addr++;
 285                                 read_efuse_byte(hw, efuse_addr, rtemp8);
 286
 287                                 if (*rtemp8 != 0xFF &&
 288                                     (efuse_addr < efuse_len)) {
 289                                         efuse_addr++;
 290                                 }
 291                                 continue;
 292                         } else {
 293                                 offset = ((*rtemp8 & 0xF0) >> 1) | u1temp;
 294                                 wren = (*rtemp8 & 0x0F);
 295                                 efuse_addr++;
 296                         }
 297                 } else {
 298                         offset = ((*rtemp8 >> 4) & 0x0f);
 299                         wren = (*rtemp8 & 0x0f);
 300                 }
 301
 302                 if (offset < efuse_max_section) {
 303                         RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 304                                 "offset-%d Worden=%x\n", offset, wren);
 305
 306                         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
 307                                 if (!(wren & 0x01)) {
 308                                         RTPRINT(rtlpriv, FEEPROM,
 309                                                 EFUSE_READ_ALL,
 310                                                 "Addr=%d\n", efuse_addr);
 311
 312                                         read_efuse_byte(hw, efuse_addr, rtemp8);
 313                                         efuse_addr++;
 314                                         efuse_utilized++;
 315                                         efuse_word[i][offset] =
 316                                                          (*rtemp8 & 0xff);
 317
 318                                         if (efuse_addr >= efuse_len)
 319                                                 break;
 320
 321                                         RTPRINT(rtlpriv, FEEPROM,
 322                                                 EFUSE_READ_ALL,
 323                                                 "Addr=%d\n", efuse_addr);
 324
 325                                         read_efuse_byte(hw, efuse_addr, rtemp8);
 326                                         efuse_addr++;
 327                                         efuse_utilized++;
 328                                         efuse_word[i][offset] |=
 329                                             (((u16)*rtemp8 << 8) & 0xff00);
 330
 331                                         if (efuse_addr >= efuse_len)
 332                                                 break;
 333                                 }
 334
 335                                 wren >>= 1;
 336                         }
 337                 }
 338
 339                 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 340                         "Addr=%d\n", efuse_addr);
 341                 read_efuse_byte(hw, efuse_addr, rtemp8);
 342                 if (*rtemp8 != 0xFF && (efuse_addr < efuse_len)) {
 343                         efuse_utilized++;
 344                         efuse_addr++;
 345                 }
 346         }
 347
 348         for (i = 0; i < efuse_max_section; i++) {
 349                 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++) {
 350                         efuse_tbl[(i * 8) + (j * 2)] =
 351                             (efuse_word[j][i] & 0xff);
 352                         efuse_tbl[(i * 8) + ((j * 2) + 1)] =
 353                             ((efuse_word[j][i] >> 8) & 0xff);
 354                 }
 355         }
 356
 357         for (i = 0; i < _size_byte; i++)
 358                 pbuf[i] = efuse_tbl[_offset + i];
 359
 360         rtlefuse->efuse_usedbytes = efuse_utilized;
 361         efuse_usage = (u8)((efuse_utilized * 100) / efuse_len);
 362         rtlefuse->efuse_usedpercentage = efuse_usage;
 363         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_BYTES,
 364                                       (u8 *)&efuse_utilized);
 365         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_USAGE,
 366                                       &efuse_usage);
 367 done:
 368         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++)
 369                 kfree(efuse_word[i]);
 370         kfree(efuse_word);
 371 out:
 372         kfree(efuse_tbl);
 373 }
 374
 375 bool efuse_shadow_update_chk(struct ieee80211_hw *hw)
 376 {
 377         struct rtl_priv *rtlpriv = rtl_priv(hw);
 378         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 379         u8 section_idx, i, base;
 380         u16 words_need = 0, hdr_num = 0, totalbytes, efuse_used;
 381         bool wordchanged, result = true;
 382
 383         for (section_idx = 0; section_idx < 16; section_idx++) {
 384                 base = section_idx * 8;
 385                 wordchanged = false;
 386
 387                 for (i = 0; i < 8; i = i + 2) {
 388                         if ((rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
 389                              rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) ||
 390                             (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i + 1] !=
 391                              rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i +
 392                                                                    1])) {
 393                                 words_need++;
 394                                 wordchanged = true;
 395                         }
 396                 }
 397
 398                 if (wordchanged)
 399                         hdr_num++;
 400         }
 401
 402         totalbytes = hdr_num + words_need * 2;
 403         efuse_used = rtlefuse->efuse_usedbytes;
 404
 405         if ((totalbytes + efuse_used) >=
 406             (EFUSE_MAX_SIZE - rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))
 407                 result = false;
 408
 409         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 410                  "%s(): totalbytes(%#x), hdr_num(%#x), words_need(%#x), efuse_used(%d)\n",
 411                  __func__, totalbytes, hdr_num, words_need, efuse_used);
 412
 413         return result;
 414 }
 415
 416 void efuse_shadow_read(struct ieee80211_hw *hw, u8 type,
 417                        u16 offset, u32 *value)
 418 {
 419         if (type == 1)
 420                 efuse_shadow_read_1byte(hw, offset, (u8 *)value);
 421         else if (type == 2)
 422                 efuse_shadow_read_2byte(hw, offset, (u16 *)value);
 423         else if (type == 4)
 424                 efuse_shadow_read_4byte(hw, offset, value);
 425 }
 426
 427 void efuse_shadow_write(struct ieee80211_hw *hw, u8 type, u16 offset,
 428                         u32 value)
 429 {
 430         if (type == 1)
 431                 efuse_shadow_write_1byte(hw, offset, (u8)value);
 432         else if (type == 2)
 433                 efuse_shadow_write_2byte(hw, offset, (u16)value);
 434         else if (type == 4)
 435                 efuse_shadow_write_4byte(hw, offset, value);
 436 }
 437
 438 bool efuse_shadow_update(struct ieee80211_hw *hw)
 439 {
 440         struct rtl_priv *rtlpriv = rtl_priv(hw);
 441         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 442         u16 i, offset, base;
 443         u8 word_en = 0x0F;
 444         u8 first_pg = false;
 445
 446         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n");
 447
 448         if (!efuse_shadow_update_chk(hw)) {
 449                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 450                 memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 451                        &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 452                        rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 453
 454                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 455                          "efuse out of capacity!!\n");
 456                 return false;
 457         }
 458         efuse_power_switch(hw, true, true);
 459
 460         for (offset = 0; offset < 16; offset++) {
 461                 word_en = 0x0F;
 462                 base = offset * 8;
 463
 464                 for (i = 0; i < 8; i++) {
 465                         if (first_pg) {
 466                                 word_en &= ~(BIT(i / 2));
 467
 468                                 rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 469                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 470                         } else {
 471                                 if (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
 472                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) {
 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                                 }
 478                         }
 479                 }
 480                 if (word_en != 0x0F) {
 481                         u8 tmpdata[8];
 482
 483                         memcpy(tmpdata,
 484                                &rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base],
 485                                8);
 486                         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD,
 487                                       "U-efuse\n", tmpdata, 8);
 488
 489                         if (!efuse_pg_packet_write(hw, (u8)offset, word_en,
 490                                                    tmpdata)) {
 491                                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 492                                          "PG section(%#x) fail!!\n", offset);
 493                                 break;
 494                         }
 495                 }
 496         }
 497
 498         efuse_power_switch(hw, true, false);
 499         efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 500
 501         memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 502                &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 503                rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 504
 505         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n");
 506         return true;
 507 }
 508
 509 void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw)
 510 {
 511         struct rtl_priv *rtlpriv = rtl_priv(hw);
 512         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 513
 514         if (rtlefuse->autoload_failflag)
 515                 memset((&rtlefuse->efuse_map[EFUSE_INIT_MAP][0]),
 516                        0xFF, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 517         else
 518                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 519
 520         memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 521                &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 522                rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 523 }
 524
 525 void efuse_force_write_vendor_id(struct ieee80211_hw *hw)
 526 {
 527         u8 tmpdata[8] = { 0xFF, 0xFF, 0xEC, 0x10, 0xFF, 0xFF, 0xFF, 0xFF };
 528
 529         efuse_power_switch(hw, true, true);
 530
 531         efuse_pg_packet_write(hw, 1, 0xD, tmpdata);
 532
 533         efuse_power_switch(hw, true, false);
 534 }
 535
 536 void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx)
 537 {
 538 }
 539
 540 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw,
 541                                     u16 offset, u8 *value)
 542 {
 543         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 544         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 545 }
 546
 547 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw,
 548                                     u16 offset, u16 *value)
 549 {
 550         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 551
 552         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 553         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 554 }
 555
 556 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw,
 557                                     u16 offset, u32 *value)
 558 {
 559         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 560
 561         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 562         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 563         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] << 16;
 564         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] << 24;
 565 }
 566
 567 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw,
 568                                      u16 offset, u8 value)
 569 {
 570         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 571
 572         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value;
 573 }
 574
 575 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw,
 576                                      u16 offset, u16 value)
 577 {
 578         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 579
 580         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value & 0x00FF;
 581         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] = value >> 8;
 582 }
 583
 584 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw,
 585                                      u16 offset, u32 value)
 586 {
 587         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 588
 589         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] =
 590             (u8)(value & 0x000000FF);
 591         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] =
 592             (u8)((value >> 8) & 0x0000FF);
 593         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] =
 594             (u8)((value >> 16) & 0x00FF);
 595         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] =
 596             (u8)((value >> 24) & 0xFF);
 597 }
 598
 599 int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, u8 *data)
 600 {
 601         struct rtl_priv *rtlpriv = rtl_priv(hw);
 602         u8 tmpidx = 0;
 603         int result;
 604
 605         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 606                        (u8)(addr & 0xff));
 607         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 608                        ((u8)((addr >> 8) & 0x03)) |
 609                        (rtl_read_byte(rtlpriv,
 610                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 2) &
 611                         0xFC));
 612
 613         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
 614
 615         while (!(0x80 & rtl_read_byte(rtlpriv,
 616                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 3)) &&
 617                (tmpidx < 100)) {
 618                 tmpidx++;
 619         }
 620
 621         if (tmpidx < 100) {
 622                 *data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 623                 result = true;
 624         } else {
 625                 *data = 0xff;
 626                 result = false;
 627         }
 628         return result;
 629 }
 630
 631 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data)
 632 {
 633         struct rtl_priv *rtlpriv = rtl_priv(hw);
 634         u8 tmpidx = 0;
 635
 636         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 637                  "Addr = %x Data=%x\n", addr, data);
 638
 639         rtl_write_byte(rtlpriv,
 640                        rtlpriv->cfg->maps[EFUSE_CTRL] + 1, (u8)(addr & 0xff));
 641         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 642                        (rtl_read_byte(rtlpriv,
 643                          rtlpriv->cfg->maps[EFUSE_CTRL] +
 644                          2) & 0xFC) | (u8)((addr >> 8) & 0x03));
 645
 646         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], data);
 647         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0xF2);
 648
 649         while ((0x80 &
 650                 rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3)) &&
 651                (tmpidx < 100)) {
 652                 tmpidx++;
 653         }
 654
 655         if (tmpidx < 100)
 656                 return true;
 657         return false;
 658 }
 659
 660 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse)
 661 {
 662         struct rtl_priv *rtlpriv = rtl_priv(hw);
 663
 664         efuse_power_switch(hw, false, true);
 665         read_efuse(hw, 0, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE], efuse);
 666         efuse_power_switch(hw, false, false);
 667 }
 668
 669 static void efuse_read_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 670                                   u8 efuse_data, u8 offset, u8 *tmpdata,
 671                                   u8 *readstate)
 672 {
 673         bool dataempty = true;
 674         u8 hoffset;
 675         u8 tmpidx;
 676         u8 hworden;
 677         u8 word_cnts;
 678
 679         hoffset = (efuse_data >> 4) & 0x0F;
 680         hworden = efuse_data & 0x0F;
 681         word_cnts = efuse_calculate_word_cnts(hworden);
 682
 683         if (hoffset == offset) {
 684                 for (tmpidx = 0; tmpidx < word_cnts * 2; tmpidx++) {
 685                         if (efuse_one_byte_read(hw, *efuse_addr + 1 + tmpidx,
 686                                                 &efuse_data)) {
 687                                 tmpdata[tmpidx] = efuse_data;
 688                                 if (efuse_data != 0xff)
 689                                         dataempty = false;
 690                         }
 691                 }
 692
 693                 if (!dataempty) {
 694                         *readstate = PG_STATE_DATA;
 695                 } else {
 696                         *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 697                         *readstate = PG_STATE_HEADER;
 698                 }
 699
 700         } else {
 701                 *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 702                 *readstate = PG_STATE_HEADER;
 703         }
 704 }
 705
 706 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data)
 707 {
 708         u8 readstate = PG_STATE_HEADER;
 709
 710         bool continual = true;
 711
 712         u8 efuse_data, word_cnts = 0;
 713         u16 efuse_addr = 0;
 714         u8 tmpdata[8];
 715
 716         if (!data)
 717                 return false;
 718         if (offset > 15)
 719                 return false;
 720
 721         memset(data, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
 722         memset(tmpdata, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
 723
 724         while (continual && (efuse_addr < EFUSE_MAX_SIZE)) {
 725                 if (readstate & PG_STATE_HEADER) {
 726                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
 727                             (efuse_data != 0xFF))
 728                                 efuse_read_data_case1(hw, &efuse_addr,
 729                                                       efuse_data, offset,
 730                                                       tmpdata, &readstate);
 731                         else
 732                                 continual = false;
 733                 } else if (readstate & PG_STATE_DATA) {
 734                         efuse_word_enable_data_read(0, tmpdata, data);
 735                         efuse_addr = efuse_addr + (word_cnts * 2) + 1;
 736                         readstate = PG_STATE_HEADER;
 737                 }
 738         }
 739
 740         if ((data[0] == 0xff) && (data[1] == 0xff) &&
 741             (data[2] == 0xff) && (data[3] == 0xff) &&
 742             (data[4] == 0xff) && (data[5] == 0xff) &&
 743             (data[6] == 0xff) && (data[7] == 0xff))
 744                 return false;
 745         return true;
 746 }
 747
 748 static void efuse_write_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 749                                    u8 efuse_data, u8 offset,
 750                                    int *continual, u8 *write_state,
 751                                    struct pgpkt_struct *target_pkt,
 752                                    int *repeat_times, int *result, u8 word_en)
 753 {
 754         struct rtl_priv *rtlpriv = rtl_priv(hw);
 755         struct pgpkt_struct tmp_pkt;
 756         int dataempty = true;
 757         u8 originaldata[8 * sizeof(u8)];
 758         u8 badworden = 0x0F;
 759         u8 match_word_en, tmp_word_en;
 760         u8 tmpindex;
 761         u8 tmp_header = efuse_data;
 762         u8 tmp_word_cnts;
 763
 764         tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 765         tmp_pkt.word_en = tmp_header & 0x0F;
 766         tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 767
 768         if (tmp_pkt.offset != target_pkt->offset) {
 769                 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 770                 *write_state = PG_STATE_HEADER;
 771         } else {
 772                 for (tmpindex = 0; tmpindex < (tmp_word_cnts * 2); tmpindex++) {
 773                         if (efuse_one_byte_read(hw,
 774                                                 (*efuse_addr + 1 + tmpindex),
 775                                                 &efuse_data) &&
 776                             (efuse_data != 0xFF))
 777                                 dataempty = false;
 778                 }
 779
 780                 if (!dataempty) {
 781                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 782                         *write_state = PG_STATE_HEADER;
 783                 } else {
 784                         match_word_en = 0x0F;
 785                         if (!((target_pkt->word_en & BIT(0)) |
 786                             (tmp_pkt.word_en & BIT(0))))
 787                                 match_word_en &= (~BIT(0));
 788
 789                         if (!((target_pkt->word_en & BIT(1)) |
 790                             (tmp_pkt.word_en & BIT(1))))
 791                                 match_word_en &= (~BIT(1));
 792
 793                         if (!((target_pkt->word_en & BIT(2)) |
 794                             (tmp_pkt.word_en & BIT(2))))
 795                                 match_word_en &= (~BIT(2));
 796
 797                         if (!((target_pkt->word_en & BIT(3)) |
 798                             (tmp_pkt.word_en & BIT(3))))
 799                                 match_word_en &= (~BIT(3));
 800
 801                         if ((match_word_en & 0x0F) != 0x0F) {
 802                                 badworden =
 803                                   enable_efuse_data_write(hw,
 804                                                           *efuse_addr + 1,
 805                                                           tmp_pkt.word_en,
 806                                                           target_pkt->data);
 807
 808                                 if (0x0F != (badworden & 0x0F)) {
 809                                         u8 reorg_offset = offset;
 810                                         u8 reorg_worden = badworden;
 811
 812                                         efuse_pg_packet_write(hw, reorg_offset,
 813                                                               reorg_worden,
 814                                                               originaldata);
 815                                 }
 816
 817                                 tmp_word_en = 0x0F;
 818                                 if ((target_pkt->word_en & BIT(0)) ^
 819                                     (match_word_en & BIT(0)))
 820                                         tmp_word_en &= (~BIT(0));
 821
 822                                 if ((target_pkt->word_en & BIT(1)) ^
 823                                     (match_word_en & BIT(1)))
 824                                         tmp_word_en &= (~BIT(1));
 825
 826                                 if ((target_pkt->word_en & BIT(2)) ^
 827                                     (match_word_en & BIT(2)))
 828                                         tmp_word_en &= (~BIT(2));
 829
 830                                 if ((target_pkt->word_en & BIT(3)) ^
 831                                     (match_word_en & BIT(3)))
 832                                         tmp_word_en &= (~BIT(3));
 833
 834                                 if ((tmp_word_en & 0x0F) != 0x0F) {
 835                                         *efuse_addr =
 836                                             efuse_get_current_size(hw);
 837                                         target_pkt->offset = offset;
 838                                         target_pkt->word_en = tmp_word_en;
 839                                 } else {
 840                                         *continual = false;
 841                                 }
 842                                 *write_state = PG_STATE_HEADER;
 843                                 *repeat_times += 1;
 844                                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 845                                         *continual = false;
 846                                         *result = false;
 847                                 }
 848                         } else {
 849                                 *efuse_addr += (2 * tmp_word_cnts) + 1;
 850                                 target_pkt->offset = offset;
 851                                 target_pkt->word_en = word_en;
 852                                 *write_state = PG_STATE_HEADER;
 853                         }
 854                 }
 855         }
 856         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, "efuse PG_STATE_HEADER-1\n");
 857 }
 858
 859 static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
 860                                    int *continual, u8 *write_state,
 861                                    struct pgpkt_struct target_pkt,
 862                                    int *repeat_times, int *result)
 863 {
 864         struct rtl_priv *rtlpriv = rtl_priv(hw);
 865         struct pgpkt_struct tmp_pkt;
 866         u8 pg_header;
 867         u8 tmp_header;
 868         u8 originaldata[8 * sizeof(u8)];
 869         u8 tmp_word_cnts;
 870         u8 badworden = 0x0F;
 871
 872         pg_header = ((target_pkt.offset << 4) & 0xf0) | target_pkt.word_en;
 873         efuse_one_byte_write(hw, *efuse_addr, pg_header);
 874         efuse_one_byte_read(hw, *efuse_addr, &tmp_header);
 875
 876         if (tmp_header == pg_header) {
 877                 *write_state = PG_STATE_DATA;
 878         } else if (tmp_header == 0xFF) {
 879                 *write_state = PG_STATE_HEADER;
 880                 *repeat_times += 1;
 881                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 882                         *continual = false;
 883                         *result = false;
 884                 }
 885         } else {
 886                 tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 887                 tmp_pkt.word_en = tmp_header & 0x0F;
 888
 889                 tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 890
 891                 memset(originaldata, 0xff,  8 * sizeof(u8));
 892
 893                 if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) {
 894                         badworden = enable_efuse_data_write(hw,
 895                                                             *efuse_addr + 1,
 896                                                             tmp_pkt.word_en,
 897                                                             originaldata);
 898
 899                         if (0x0F != (badworden & 0x0F)) {
 900                                 u8 reorg_offset = tmp_pkt.offset;
 901                                 u8 reorg_worden = badworden;
 902
 903                                 efuse_pg_packet_write(hw, reorg_offset,
 904                                                       reorg_worden,
 905                                                       originaldata);
 906                                 *efuse_addr = efuse_get_current_size(hw);
 907                         } else {
 908                                 *efuse_addr = *efuse_addr +
 909                                               (tmp_word_cnts * 2) + 1;
 910                         }
 911                 } else {
 912                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 913                 }
 914
 915                 *write_state = PG_STATE_HEADER;
 916                 *repeat_times += 1;
 917                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 918                         *continual = false;
 919                         *result = false;
 920                 }
 921
 922                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 923                         "efuse PG_STATE_HEADER-2\n");
 924         }
 925 }
 926
 927 static int efuse_pg_packet_write(struct ieee80211_hw *hw,
 928                                  u8 offset, u8 word_en, u8 *data)
 929 {
 930         struct rtl_priv *rtlpriv = rtl_priv(hw);
 931         struct pgpkt_struct target_pkt;
 932         u8 write_state = PG_STATE_HEADER;
 933         int continual = true, dataempty = true, result = true;
 934         u16 efuse_addr = 0;
 935         u8 efuse_data;
 936         u8 target_word_cnts = 0;
 937         u8 badworden = 0x0F;
 938         static int repeat_times;
 939
 940         if (efuse_get_current_size(hw) >= (EFUSE_MAX_SIZE -
 941                 rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
 942                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 943                         "%s error\n", __func__);
 944                 return false;
 945         }
 946
 947         target_pkt.offset = offset;
 948         target_pkt.word_en = word_en;
 949
 950         memset(target_pkt.data, 0xFF,  8 * sizeof(u8));
 951
 952         efuse_word_enable_data_read(word_en, data, target_pkt.data);
 953         target_word_cnts = efuse_calculate_word_cnts(target_pkt.word_en);
 954
 955         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, "efuse Power ON\n");
 956
 957         while (continual && (efuse_addr < (EFUSE_MAX_SIZE -
 958                rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))) {
 959                 if (write_state == PG_STATE_HEADER) {
 960                         dataempty = true;
 961                         badworden = 0x0F;
 962                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 963                                 "efuse PG_STATE_HEADER\n");
 964
 965                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
 966                             (efuse_data != 0xFF))
 967                                 efuse_write_data_case1(hw, &efuse_addr,
 968                                                        efuse_data, offset,
 969                                                        &continual,
 970                                                        &write_state,
 971                                                        &target_pkt,
 972                                                        &repeat_times, &result,
 973                                                        word_en);
 974                         else
 975                                 efuse_write_data_case2(hw, &efuse_addr,
 976                                                        &continual,
 977                                                        &write_state,
 978                                                        target_pkt,
 979                                                        &repeat_times,
 980                                                        &result);
 981
 982                 } else if (write_state == PG_STATE_DATA) {
 983                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 984                                 "efuse PG_STATE_DATA\n");
 985                         badworden = 0x0f;
 986                         badworden =
 987                             enable_efuse_data_write(hw, efuse_addr + 1,
 988                                                     target_pkt.word_en,
 989                                                     target_pkt.data);
 990
 991                         if ((badworden & 0x0F) == 0x0F) {
 992                                 continual = false;
 993                         } else {
 994                                 efuse_addr =
 995                                     efuse_addr + (2 * target_word_cnts) + 1;
 996
 997                                 target_pkt.offset = offset;
 998                                 target_pkt.word_en = badworden;
 999                                 target_word_cnts =
1000                                     efuse_calculate_word_cnts(target_pkt.word_en);
1001                                 write_state = PG_STATE_HEADER;
1002                                 repeat_times++;
1003                                 if (repeat_times > EFUSE_REPEAT_THRESHOLD_) {
1004                                         continual = false;
1005                                         result = false;
1006                                 }
1007                                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
1008                                         "efuse PG_STATE_HEADER-3\n");
1009                         }
1010                 }
1011         }
1012
1013         if (efuse_addr >= (EFUSE_MAX_SIZE -
1014                 rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
1015                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1016                          "efuse_addr(%#x) Out of size!!\n", efuse_addr);
1017         }
1018
1019         return true;
1020 }
1021
1022 static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
1023                                         u8 *targetdata)
1024 {
1025         if (!(word_en & BIT(0))) {
1026                 targetdata[0] = sourdata[0];
1027                 targetdata[1] = sourdata[1];
1028         }
1029
1030         if (!(word_en & BIT(1))) {
1031                 targetdata[2] = sourdata[2];
1032                 targetdata[3] = sourdata[3];
1033         }
1034
1035         if (!(word_en & BIT(2))) {
1036                 targetdata[4] = sourdata[4];
1037                 targetdata[5] = sourdata[5];
1038         }
1039
1040         if (!(word_en & BIT(3))) {
1041                 targetdata[6] = sourdata[6];
1042                 targetdata[7] = sourdata[7];
1043         }
1044 }
1045
1046 static u8 enable_efuse_data_write(struct ieee80211_hw *hw,
1047                                   u16 efuse_addr, u8 word_en, u8 *data)
1048 {
1049         struct rtl_priv *rtlpriv = rtl_priv(hw);
1050         u16 tmpaddr;
1051         u16 start_addr = efuse_addr;
1052         u8 badworden = 0x0F;
1053         u8 tmpdata[8];
1054
1055         memset(tmpdata, 0xff, PGPKT_DATA_SIZE);
1056         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1057                  "word_en = %x efuse_addr=%x\n", word_en, efuse_addr);
1058
1059         if (!(word_en & BIT(0))) {
1060                 tmpaddr = start_addr;
1061                 efuse_one_byte_write(hw, start_addr++, data[0]);
1062                 efuse_one_byte_write(hw, start_addr++, data[1]);
1063
1064                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[0]);
1065                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[1]);
1066                 if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1]))
1067                         badworden &= (~BIT(0));
1068         }
1069
1070         if (!(word_en & BIT(1))) {
1071                 tmpaddr = start_addr;
1072                 efuse_one_byte_write(hw, start_addr++, data[2]);
1073                 efuse_one_byte_write(hw, start_addr++, data[3]);
1074
1075                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[2]);
1076                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[3]);
1077                 if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3]))
1078                         badworden &= (~BIT(1));
1079         }
1080
1081         if (!(word_en & BIT(2))) {
1082                 tmpaddr = start_addr;
1083                 efuse_one_byte_write(hw, start_addr++, data[4]);
1084                 efuse_one_byte_write(hw, start_addr++, data[5]);
1085
1086                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[4]);
1087                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[5]);
1088                 if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5]))
1089                         badworden &= (~BIT(2));
1090         }
1091
1092         if (!(word_en & BIT(3))) {
1093                 tmpaddr = start_addr;
1094                 efuse_one_byte_write(hw, start_addr++, data[6]);
1095                 efuse_one_byte_write(hw, start_addr++, data[7]);
1096
1097                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[6]);
1098                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[7]);
1099                 if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7]))
1100                         badworden &= (~BIT(3));
1101         }
1102
1103         return badworden;
1104 }
1105
1106 void efuse_power_switch(struct ieee80211_hw *hw, u8 write, u8 pwrstate)
1107 {
1108         struct rtl_priv *rtlpriv = rtl_priv(hw);
1109         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1110         u8 tempval;
1111         u16 tmpv16;
1112
1113         if (pwrstate && (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE)) {
1114                 if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192CE &&
1115                     rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE) {
1116                         rtl_write_byte(rtlpriv,
1117                                        rtlpriv->cfg->maps[EFUSE_ACCESS], 0x69);
1118                 } else {
1119                         tmpv16 =
1120                           rtl_read_word(rtlpriv,
1121                                         rtlpriv->cfg->maps[SYS_ISO_CTRL]);
1122                         if (!(tmpv16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
1123                                 tmpv16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V];
1124                                 rtl_write_word(rtlpriv,
1125                                                rtlpriv->cfg->maps[SYS_ISO_CTRL],
1126                                                tmpv16);
1127                         }
1128                 }
1129                 tmpv16 = rtl_read_word(rtlpriv,
1130                                        rtlpriv->cfg->maps[SYS_FUNC_EN]);
1131                 if (!(tmpv16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) {
1132                         tmpv16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR];
1133                         rtl_write_word(rtlpriv,
1134                                        rtlpriv->cfg->maps[SYS_FUNC_EN], tmpv16);
1135                 }
1136
1137                 tmpv16 = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_CLK]);
1138                 if ((!(tmpv16 & rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN])) ||
1139                     (!(tmpv16 & rtlpriv->cfg->maps[EFUSE_ANA8M]))) {
1140                         tmpv16 |= (rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN] |
1141                                    rtlpriv->cfg->maps[EFUSE_ANA8M]);
1142                         rtl_write_word(rtlpriv,
1143                                        rtlpriv->cfg->maps[SYS_CLK], tmpv16);
1144                 }
1145         }
1146
1147         if (pwrstate) {
1148                 if (write) {
1149                         tempval = rtl_read_byte(rtlpriv,
1150                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1151                                                 3);
1152
1153                         if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
1154                                 tempval &= ~(BIT(3) | BIT(4) | BIT(5) | BIT(6));
1155                                 tempval |= (VOLTAGE_V25 << 3);
1156                         } else if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE) {
1157                                 tempval &= 0x0F;
1158                                 tempval |= (VOLTAGE_V25 << 4);
1159                         }
1160
1161                         rtl_write_byte(rtlpriv,
1162                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1163                                        (tempval | 0x80));
1164                 }
1165
1166                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1167                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1168                                        0x03);
1169                 }
1170         } else {
1171                 if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192CE &&
1172                     rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE)
1173                         rtl_write_byte(rtlpriv,
1174                                        rtlpriv->cfg->maps[EFUSE_ACCESS], 0);
1175
1176                 if (write) {
1177                         tempval = rtl_read_byte(rtlpriv,
1178                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1179                                                 3);
1180                         rtl_write_byte(rtlpriv,
1181                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1182                                        (tempval & 0x7F));
1183                 }
1184
1185                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1186                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1187                                        0x02);
1188                 }
1189         }
1190 }
1191
1192 static u16 efuse_get_current_size(struct ieee80211_hw *hw)
1193 {
1194         int continual = true;
1195         u16 efuse_addr = 0;
1196         u8 hoffset, hworden;
1197         u8 efuse_data, word_cnts;
1198
1199         while (continual && efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
1200                (efuse_addr < EFUSE_MAX_SIZE)) {
1201                 if (efuse_data != 0xFF) {
1202                         hoffset = (efuse_data >> 4) & 0x0F;
1203                         hworden = efuse_data & 0x0F;
1204                         word_cnts = efuse_calculate_word_cnts(hworden);
1205                         efuse_addr = efuse_addr + (word_cnts * 2) + 1;
1206                 } else {
1207                         continual = false;
1208                 }
1209         }
1210
1211         return efuse_addr;
1212 }
1213
1214 static u8 efuse_calculate_word_cnts(u8 word_en)
1215 {
1216         u8 word_cnts = 0;
1217
1218         if (!(word_en & BIT(0)))
1219                 word_cnts++;
1220         if (!(word_en & BIT(1)))
1221                 word_cnts++;
1222         if (!(word_en & BIT(2)))
1223                 word_cnts++;
1224         if (!(word_en & BIT(3)))
1225                 word_cnts++;
1226         return word_cnts;
1227 }
1228
1229 int rtl_get_hwinfo(struct ieee80211_hw *hw, struct rtl_priv *rtlpriv,
1230                    int max_size, u8 *hwinfo, int *params)
1231 {
1232         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1233         struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
1234         struct device *dev = &rtlpcipriv->dev.pdev->dev;
1235         u16 eeprom_id;
1236         u16 i, usvalue;
1237
1238         switch (rtlefuse->epromtype) {
1239         case EEPROM_BOOT_EFUSE:
1240                 rtl_efuse_shadow_map_update(hw);
1241                 break;
1242
1243         case EEPROM_93C46:
1244                 pr_err("RTL8XXX did not boot from eeprom, check it !!\n");
1245                 return 1;
1246
1247         default:
1248                 dev_warn(dev, "no efuse data\n");
1249                 return 1;
1250         }
1251
1252         memcpy(hwinfo, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0], max_size);
1253
1254         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "MAP",
1255                       hwinfo, max_size);
1256
1257         eeprom_id = *((u16 *)&hwinfo[0]);
1258         if (eeprom_id != params[0]) {
1259                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1260                          "EEPROM ID(%#x) is invalid!!\n", eeprom_id);
1261                 rtlefuse->autoload_failflag = true;
1262         } else {
1263                 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "Autoload OK\n");
1264                 rtlefuse->autoload_failflag = false;
1265         }
1266
1267         if (rtlefuse->autoload_failflag)
1268                 return 1;
1269
1270         rtlefuse->eeprom_vid = *(u16 *)&hwinfo[params[1]];
1271         rtlefuse->eeprom_did = *(u16 *)&hwinfo[params[2]];
1272         rtlefuse->eeprom_svid = *(u16 *)&hwinfo[params[3]];
1273         rtlefuse->eeprom_smid = *(u16 *)&hwinfo[params[4]];
1274         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1275                  "EEPROMId = 0x%4x\n", eeprom_id);
1276         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1277                  "EEPROM VID = 0x%4x\n", rtlefuse->eeprom_vid);
1278         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1279                  "EEPROM DID = 0x%4x\n", rtlefuse->eeprom_did);
1280         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1281                  "EEPROM SVID = 0x%4x\n", rtlefuse->eeprom_svid);
1282         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1283                  "EEPROM SMID = 0x%4x\n", rtlefuse->eeprom_smid);
1284
1285         for (i = 0; i < 6; i += 2) {
1286                 usvalue = *(u16 *)&hwinfo[params[5] + i];
1287                 *((u16 *)(&rtlefuse->dev_addr[i])) = usvalue;
1288         }
1289         RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "%pM\n", rtlefuse->dev_addr);
1290
1291         rtlefuse->eeprom_channelplan = *&hwinfo[params[6]];
1292         rtlefuse->eeprom_version = *(u16 *)&hwinfo[params[7]];
1293         rtlefuse->txpwr_fromeprom = true;
1294         rtlefuse->eeprom_oemid = *&hwinfo[params[8]];
1295
1296         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1297                  "EEPROM Customer ID: 0x%2x\n", rtlefuse->eeprom_oemid);
1298
1299         /* set channel plan to world wide 13 */
1300         rtlefuse->channel_plan = params[9];
1301
1302         return 0;
1303 }
1304
1305 void rtl_fw_block_write(struct ieee80211_hw *hw, const u8 *buffer, u32 size)
1306 {
1307         struct rtl_priv *rtlpriv = rtl_priv(hw);
1308         u8 *pu4byteptr = (u8 *)buffer;
1309         u32 i;
1310
1311         for (i = 0; i < size; i++)
1312                 rtl_write_byte(rtlpriv, (START_ADDRESS + i), *(pu4byteptr + i));
1313 }
1314
1315 void rtl_fw_page_write(struct ieee80211_hw *hw, u32 page, const u8 *buffer,
1316                        u32 size)
1317 {
1318         struct rtl_priv *rtlpriv = rtl_priv(hw);
1319         u8 value8;
1320         u8 u8page = (u8)(page & 0x07);
1321
1322         value8 = (rtl_read_byte(rtlpriv, REG_MCUFWDL + 2) & 0xF8) | u8page;
1323
1324         rtl_write_byte(rtlpriv, (REG_MCUFWDL + 2), value8);
1325         rtl_fw_block_write(hw, buffer, size);
1326 }
1327
1328 void rtl_fill_dummy(u8 *pfwbuf, u32 *pfwlen)
1329 {
1330         u32 fwlen = *pfwlen;
1331         u8 remain = (u8)(fwlen % 4);
1332
1333         remain = (remain == 0) ? 0 : (4 - remain);
1334
1335         while (remain > 0) {
1336                 pfwbuf[fwlen] = 0;
1337                 fwlen++;
1338                 remain--;
1339         }
1340
1341         *pfwlen = fwlen;
1342 }