drivers/staging/rtlwifi/efuse.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /******************************************************************************
   3  *
   4  * Copyright(c) 2009-2012  Realtek Corporation.
   5  *
   6  * Contact Information:
   7  * wlanfae <[email protected]>
   8  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
   9  * Hsinchu 300, Taiwan.
  10  *
  11  * Larry Finger <[email protected]>
  12  *
  13  *****************************************************************************/
  14 #include "wifi.h"
  15 #include "efuse.h"
  16 #include "pci.h"
  17 #include <linux/export.h>
  18
  19 static const u8 MAX_PGPKT_SIZE = 9;
  20 static const u8 PGPKT_DATA_SIZE = 8;
  21 static const int EFUSE_MAX_SIZE = 512;
  22
  23 #define START_ADDRESS           0x1000
  24 #define REG_MCUFWDL             0x0080
  25
  26 static const struct efuse_map RTL8712_SDIO_EFUSE_TABLE[] = {
  27         {0, 0, 0, 2},
  28         {0, 1, 0, 2},
  29         {0, 2, 0, 2},
  30         {1, 0, 0, 1},
  31         {1, 0, 1, 1},
  32         {1, 1, 0, 1},
  33         {1, 1, 1, 3},
  34         {1, 3, 0, 17},
  35         {3, 3, 1, 48},
  36         {10, 0, 0, 6},
  37         {10, 3, 0, 1},
  38         {10, 3, 1, 1},
  39         {11, 0, 0, 28}
  40 };
  41
  42 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw, u16 offset,
  43                                     u8 *value);
  44 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw, u16 offset,
  45                                     u16 *value);
  46 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw, u16 offset,
  47                                     u32 *value);
  48 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw, u16 offset,
  49                                      u8 value);
  50 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw, u16 offset,
  51                                      u16 value);
  52 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw, u16 offset,
  53                                      u32 value);
  54 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr,
  55                                 u8 data);
  56 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse);
  57 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset,
  58                                 u8 *data);
  59 static int efuse_pg_packet_write(struct ieee80211_hw *hw, u8 offset,
  60                                  u8 word_en, u8 *data);
  61 static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
  62                                         u8 *targetdata);
  63 static u8 enable_efuse_data_write(struct ieee80211_hw *hw,
  64                                   u16 efuse_addr, u8 word_en, u8 *data);
  65 static u16 efuse_get_current_size(struct ieee80211_hw *hw);
  66 static u8 efuse_calculate_word_cnts(u8 word_en);
  67
  68 void efuse_initialize(struct ieee80211_hw *hw)
  69 {
  70         struct rtl_priv *rtlpriv = rtl_priv(hw);
  71         u8 bytetemp;
  72         u8 temp;
  73
  74         bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1);
  75         temp = bytetemp | 0x20;
  76         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1, temp);
  77
  78         bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1);
  79         temp = bytetemp & 0xFE;
  80         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1, temp);
  81
  82         bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3);
  83         temp = bytetemp | 0x80;
  84         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3, temp);
  85
  86         rtl_write_byte(rtlpriv, 0x2F8, 0x3);
  87
  88         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
  89 }
  90
  91 u8 efuse_read_1byte(struct ieee80211_hw *hw, u16 address)
  92 {
  93         struct rtl_priv *rtlpriv = rtl_priv(hw);
  94         u8 data;
  95         u8 bytetemp;
  96         u8 temp;
  97         u32 k = 0;
  98         const u32 efuse_len =
  99                 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
 100
 101         if (address < efuse_len) {
 102                 temp = address & 0xFF;
 103                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 104                                temp);
 105                 bytetemp = rtl_read_byte(rtlpriv,
 106                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
 107                 temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
 108                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 109                                temp);
 110
 111                 bytetemp = rtl_read_byte(rtlpriv,
 112                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 113                 temp = bytetemp & 0x7F;
 114                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
 115                                temp);
 116
 117                 bytetemp = rtl_read_byte(rtlpriv,
 118                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 119                 while (!(bytetemp & 0x80)) {
 120                         bytetemp =
 121                            rtl_read_byte(rtlpriv,
 122                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 123                         k++;
 124                         if (k == 1000) {
 125                                 k = 0;
 126                                 break;
 127                         }
 128                 }
 129                 data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 130                 return data;
 131         }
 132         return 0xFF;
 133 }
 134
 135 void efuse_write_1byte(struct ieee80211_hw *hw, u16 address, u8 value)
 136 {
 137         struct rtl_priv *rtlpriv = rtl_priv(hw);
 138         u8 bytetemp;
 139         u8 temp;
 140         u32 k = 0;
 141         const u32 efuse_len =
 142                 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
 143
 144         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "Addr=%x Data =%x\n",
 145                  address, value);
 146
 147         if (address < efuse_len) {
 148                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], value);
 149
 150                 temp = address & 0xFF;
 151                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 152                                temp);
 153                 bytetemp = rtl_read_byte(rtlpriv,
 154                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
 155
 156                 temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
 157                 rtl_write_byte(rtlpriv,
 158                                rtlpriv->cfg->maps[EFUSE_CTRL] + 2, temp);
 159
 160                 bytetemp = rtl_read_byte(rtlpriv,
 161                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 162                 temp = bytetemp | 0x80;
 163                 rtl_write_byte(rtlpriv,
 164                                rtlpriv->cfg->maps[EFUSE_CTRL] + 3, temp);
 165
 166                 bytetemp = rtl_read_byte(rtlpriv,
 167                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 168
 169                 while (bytetemp & 0x80) {
 170                         bytetemp =
 171                             rtl_read_byte(rtlpriv,
 172                                           rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 173                         k++;
 174                         if (k == 100) {
 175                                 k = 0;
 176                                 break;
 177                         }
 178                 }
 179         }
 180 }
 181
 182 void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset, u8 *pbuf)
 183 {
 184         struct rtl_priv *rtlpriv = rtl_priv(hw);
 185         u32 value32;
 186         u8 readbyte;
 187         u16 retry;
 188
 189         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 190                        (_offset & 0xff));
 191         readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
 192         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 193                        ((_offset >> 8) & 0x03) | (readbyte & 0xfc));
 194
 195         readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 196         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
 197                        (readbyte & 0x7f));
 198
 199         retry = 0;
 200         value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 201         while (!(((value32 >> 24) & 0xff) & 0x80) && (retry < 10000)) {
 202                 value32 = rtl_read_dword(rtlpriv,
 203                                          rtlpriv->cfg->maps[EFUSE_CTRL]);
 204                 retry++;
 205         }
 206
 207         udelay(50);
 208         value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 209
 210         *pbuf = (u8)(value32 & 0xff);
 211 }
 212
 213 void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
 214 {
 215         struct rtl_priv *rtlpriv = rtl_priv(hw);
 216         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 217         u8 *efuse_tbl;
 218         u8 rtemp8[1];
 219         u16 efuse_addr = 0;
 220         u8 offset, wren;
 221         u8 u1temp = 0;
 222         u16 i;
 223         u16 j;
 224         const u16 efuse_max_section =
 225                 rtlpriv->cfg->maps[EFUSE_MAX_SECTION_MAP];
 226         const u32 efuse_len =
 227                 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
 228         u16 **efuse_word;
 229         u16 efuse_utilized = 0;
 230         u8 efuse_usage;
 231
 232         if ((_offset + _size_byte) > rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]) {
 233                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 234                          "%s(): Invalid offset(%#x) with read bytes(%#x)!!\n",
 235                          __func__, _offset, _size_byte);
 236                 return;
 237         }
 238
 239         /* allocate memory for efuse_tbl and efuse_word */
 240         efuse_tbl = kzalloc(rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE],
 241                             GFP_ATOMIC);
 242         if (!efuse_tbl)
 243                 return;
 244         efuse_word = kcalloc(EFUSE_MAX_WORD_UNIT, sizeof(u16 *), GFP_ATOMIC);
 245         if (!efuse_word)
 246                 goto out;
 247         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
 248                 efuse_word[i] = kcalloc(efuse_max_section, sizeof(u16), GFP_ATOMIC);
 249                 if (!efuse_word[i])
 250                         goto done;
 251         }
 252
 253         for (i = 0; i < efuse_max_section; i++)
 254                 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++)
 255                         efuse_word[j][i] = 0xFFFF;
 256
 257         read_efuse_byte(hw, efuse_addr, rtemp8);
 258         if (*rtemp8 != 0xFF) {
 259                 efuse_utilized++;
 260                 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 261                         "Addr=%d\n", efuse_addr);
 262                 efuse_addr++;
 263         }
 264
 265         while ((*rtemp8 != 0xFF) && (efuse_addr < efuse_len)) {
 266                 /*  Check PG header for section num.  */
 267                 if ((*rtemp8 & 0x1F) == 0x0F) {/* extended header */
 268                         u1temp = ((*rtemp8 & 0xE0) >> 5);
 269                         read_efuse_byte(hw, efuse_addr, rtemp8);
 270
 271                         if ((*rtemp8 & 0x0F) == 0x0F) {
 272                                 efuse_addr++;
 273                                 read_efuse_byte(hw, efuse_addr, rtemp8);
 274
 275                                 if (*rtemp8 != 0xFF &&
 276                                     (efuse_addr < efuse_len)) {
 277                                         efuse_addr++;
 278                                 }
 279                                 continue;
 280                         } else {
 281                                 offset = ((*rtemp8 & 0xF0) >> 1) | u1temp;
 282                                 wren = (*rtemp8 & 0x0F);
 283                                 efuse_addr++;
 284                         }
 285                 } else {
 286                         offset = ((*rtemp8 >> 4) & 0x0f);
 287                         wren = (*rtemp8 & 0x0f);
 288                 }
 289
 290                 if (offset < efuse_max_section) {
 291                         RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 292                                 "offset-%d Worden=%x\n", offset, wren);
 293
 294                         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
 295                                 if (!(wren & 0x01)) {
 296                                         RTPRINT(rtlpriv, FEEPROM,
 297                                                 EFUSE_READ_ALL,
 298                                                 "Addr=%d\n", efuse_addr);
 299
 300                                         read_efuse_byte(hw, efuse_addr, rtemp8);
 301                                         efuse_addr++;
 302                                         efuse_utilized++;
 303                                         efuse_word[i][offset] =
 304                                                          (*rtemp8 & 0xff);
 305
 306                                         if (efuse_addr >= efuse_len)
 307                                                 break;
 308
 309                                         RTPRINT(rtlpriv, FEEPROM,
 310                                                 EFUSE_READ_ALL,
 311                                                 "Addr=%d\n", efuse_addr);
 312
 313                                         read_efuse_byte(hw, efuse_addr, rtemp8);
 314                                         efuse_addr++;
 315                                         efuse_utilized++;
 316                                         efuse_word[i][offset] |=
 317                                             (((u16)*rtemp8 << 8) & 0xff00);
 318
 319                                         if (efuse_addr >= efuse_len)
 320                                                 break;
 321                                 }
 322
 323                                 wren >>= 1;
 324                         }
 325                 }
 326
 327                 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 328                         "Addr=%d\n", efuse_addr);
 329                 read_efuse_byte(hw, efuse_addr, rtemp8);
 330                 if (*rtemp8 != 0xFF && (efuse_addr < efuse_len)) {
 331                         efuse_utilized++;
 332                         efuse_addr++;
 333                 }
 334         }
 335
 336         for (i = 0; i < efuse_max_section; i++) {
 337                 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++) {
 338                         efuse_tbl[(i * 8) + (j * 2)] =
 339                             (efuse_word[j][i] & 0xff);
 340                         efuse_tbl[(i * 8) + ((j * 2) + 1)] =
 341                             ((efuse_word[j][i] >> 8) & 0xff);
 342                 }
 343         }
 344
 345         for (i = 0; i < _size_byte; i++)
 346                 pbuf[i] = efuse_tbl[_offset + i];
 347
 348         rtlefuse->efuse_usedbytes = efuse_utilized;
 349         efuse_usage = (u8)((efuse_utilized * 100) / efuse_len);
 350         rtlefuse->efuse_usedpercentage = efuse_usage;
 351         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_BYTES,
 352                                       (u8 *)&efuse_utilized);
 353         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_USAGE,
 354                                       &efuse_usage);
 355 done:
 356         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++)
 357                 kfree(efuse_word[i]);
 358         kfree(efuse_word);
 359 out:
 360         kfree(efuse_tbl);
 361 }
 362
 363 bool efuse_shadow_update_chk(struct ieee80211_hw *hw)
 364 {
 365         struct rtl_priv *rtlpriv = rtl_priv(hw);
 366         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 367         u8 section_idx, i, base;
 368         u16 words_need = 0, hdr_num = 0, totalbytes, efuse_used;
 369         bool wordchanged, result = true;
 370
 371         for (section_idx = 0; section_idx < 16; section_idx++) {
 372                 base = section_idx * 8;
 373                 wordchanged = false;
 374
 375                 for (i = 0; i < 8; i = i + 2) {
 376                         if ((rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
 377                              rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) ||
 378                             (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i + 1] !=
 379                              rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i +
 380                                                                    1])) {
 381                                 words_need++;
 382                                 wordchanged = true;
 383                         }
 384                 }
 385
 386                 if (wordchanged)
 387                         hdr_num++;
 388         }
 389
 390         totalbytes = hdr_num + words_need * 2;
 391         efuse_used = rtlefuse->efuse_usedbytes;
 392
 393         if ((totalbytes + efuse_used) >=
 394             (EFUSE_MAX_SIZE - rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))
 395                 result = false;
 396
 397         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 398                  "%s(): totalbytes(%#x), hdr_num(%#x), words_need(%#x), efuse_used(%d)\n",
 399                  __func__, totalbytes, hdr_num, words_need, efuse_used);
 400
 401         return result;
 402 }
 403
 404 void efuse_shadow_read(struct ieee80211_hw *hw, u8 type,
 405                        u16 offset, u32 *value)
 406 {
 407         if (type == 1)
 408                 efuse_shadow_read_1byte(hw, offset, (u8 *)value);
 409         else if (type == 2)
 410                 efuse_shadow_read_2byte(hw, offset, (u16 *)value);
 411         else if (type == 4)
 412                 efuse_shadow_read_4byte(hw, offset, value);
 413 }
 414
 415 void efuse_shadow_write(struct ieee80211_hw *hw, u8 type, u16 offset,
 416                         u32 value)
 417 {
 418         if (type == 1)
 419                 efuse_shadow_write_1byte(hw, offset, (u8)value);
 420         else if (type == 2)
 421                 efuse_shadow_write_2byte(hw, offset, (u16)value);
 422         else if (type == 4)
 423                 efuse_shadow_write_4byte(hw, offset, value);
 424 }
 425
 426 bool efuse_shadow_update(struct ieee80211_hw *hw)
 427 {
 428         struct rtl_priv *rtlpriv = rtl_priv(hw);
 429         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 430         u16 i, offset, base;
 431         u8 word_en = 0x0F;
 432         u8 first_pg = false;
 433
 434         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n");
 435
 436         if (!efuse_shadow_update_chk(hw)) {
 437                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 438                 memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 439                        &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 440                        rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 441
 442                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 443                          "efuse out of capacity!!\n");
 444                 return false;
 445         }
 446         efuse_power_switch(hw, true, true);
 447
 448         for (offset = 0; offset < 16; offset++) {
 449                 word_en = 0x0F;
 450                 base = offset * 8;
 451
 452                 for (i = 0; i < 8; i++) {
 453                         if (first_pg) {
 454                                 word_en &= ~(BIT(i / 2));
 455
 456                                 rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 457                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 458                         } else {
 459                                 if (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
 460                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) {
 461                                         word_en &= ~(BIT(i / 2));
 462
 463                                         rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 464                                             rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 465                                 }
 466                         }
 467                 }
 468                 if (word_en != 0x0F) {
 469                         u8 tmpdata[8];
 470
 471                         memcpy(tmpdata,
 472                                &rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base],
 473                                8);
 474                         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD,
 475                                       "U-efuse\n", tmpdata, 8);
 476
 477                         if (!efuse_pg_packet_write(hw, (u8)offset, word_en,
 478                                                    tmpdata)) {
 479                                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 480                                          "PG section(%#x) fail!!\n", offset);
 481                                 break;
 482                         }
 483                 }
 484         }
 485
 486         efuse_power_switch(hw, true, false);
 487         efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 488
 489         memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 490                &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 491                rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 492
 493         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n");
 494         return true;
 495 }
 496
 497 void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw)
 498 {
 499         struct rtl_priv *rtlpriv = rtl_priv(hw);
 500         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 501
 502         if (rtlefuse->autoload_failflag)
 503                 memset((&rtlefuse->efuse_map[EFUSE_INIT_MAP][0]),
 504                        0xFF, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 505         else
 506                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 507
 508         memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 509                &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 510                rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 511 }
 512
 513 void efuse_force_write_vendor_id(struct ieee80211_hw *hw)
 514 {
 515         u8 tmpdata[8] = { 0xFF, 0xFF, 0xEC, 0x10, 0xFF, 0xFF, 0xFF, 0xFF };
 516
 517         efuse_power_switch(hw, true, true);
 518
 519         efuse_pg_packet_write(hw, 1, 0xD, tmpdata);
 520
 521         efuse_power_switch(hw, true, false);
 522 }
 523
 524 void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx)
 525 {
 526 }
 527
 528 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw,
 529                                     u16 offset, u8 *value)
 530 {
 531         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 532         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 533 }
 534
 535 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw,
 536                                     u16 offset, u16 *value)
 537 {
 538         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 539
 540         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 541         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 542 }
 543
 544 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw,
 545                                     u16 offset, u32 *value)
 546 {
 547         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 548
 549         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 550         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 551         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] << 16;
 552         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] << 24;
 553 }
 554
 555 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw,
 556                                      u16 offset, u8 value)
 557 {
 558         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 559
 560         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value;
 561 }
 562
 563 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw,
 564                                      u16 offset, u16 value)
 565 {
 566         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 567
 568         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value & 0x00FF;
 569         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] = value >> 8;
 570 }
 571
 572 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw,
 573                                      u16 offset, u32 value)
 574 {
 575         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 576
 577         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] =
 578             (u8)(value & 0x000000FF);
 579         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] =
 580             (u8)((value >> 8) & 0x0000FF);
 581         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] =
 582             (u8)((value >> 16) & 0x00FF);
 583         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] =
 584             (u8)((value >> 24) & 0xFF);
 585 }
 586
 587 int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, u8 *data)
 588 {
 589         struct rtl_priv *rtlpriv = rtl_priv(hw);
 590         u8 tmpidx = 0;
 591         int result;
 592
 593         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 594                        (u8)(addr & 0xff));
 595         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 596                        ((u8)((addr >> 8) & 0x03)) |
 597                        (rtl_read_byte(rtlpriv,
 598                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 2) &
 599                         0xFC));
 600
 601         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
 602
 603         while (!(0x80 & rtl_read_byte(rtlpriv,
 604                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 3)) &&
 605                (tmpidx < 100)) {
 606                 tmpidx++;
 607         }
 608
 609         if (tmpidx < 100) {
 610                 *data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 611                 result = true;
 612         } else {
 613                 *data = 0xff;
 614                 result = false;
 615         }
 616         return result;
 617 }
 618
 619 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data)
 620 {
 621         struct rtl_priv *rtlpriv = rtl_priv(hw);
 622         u8 tmpidx = 0;
 623
 624         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 625                  "Addr = %x Data=%x\n", addr, data);
 626
 627         rtl_write_byte(rtlpriv,
 628                        rtlpriv->cfg->maps[EFUSE_CTRL] + 1, (u8)(addr & 0xff));
 629         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 630                        (rtl_read_byte(rtlpriv,
 631                          rtlpriv->cfg->maps[EFUSE_CTRL] +
 632                          2) & 0xFC) | (u8)((addr >> 8) & 0x03));
 633
 634         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], data);
 635         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0xF2);
 636
 637         while ((0x80 &
 638                 rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3)) &&
 639                (tmpidx < 100)) {
 640                 tmpidx++;
 641         }
 642
 643         if (tmpidx < 100)
 644                 return true;
 645         return false;
 646 }
 647
 648 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse)
 649 {
 650         struct rtl_priv *rtlpriv = rtl_priv(hw);
 651
 652         efuse_power_switch(hw, false, true);
 653         read_efuse(hw, 0, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE], efuse);
 654         efuse_power_switch(hw, false, false);
 655 }
 656
 657 static void efuse_read_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 658                                   u8 efuse_data, u8 offset, u8 *tmpdata,
 659                                   u8 *readstate)
 660 {
 661         bool dataempty = true;
 662         u8 hoffset;
 663         u8 tmpidx;
 664         u8 hworden;
 665         u8 word_cnts;
 666
 667         hoffset = (efuse_data >> 4) & 0x0F;
 668         hworden = efuse_data & 0x0F;
 669         word_cnts = efuse_calculate_word_cnts(hworden);
 670
 671         if (hoffset == offset) {
 672                 for (tmpidx = 0; tmpidx < word_cnts * 2; tmpidx++) {
 673                         if (efuse_one_byte_read(hw, *efuse_addr + 1 + tmpidx,
 674                                                 &efuse_data)) {
 675                                 tmpdata[tmpidx] = efuse_data;
 676                                 if (efuse_data != 0xff)
 677                                         dataempty = false;
 678                         }
 679                 }
 680
 681                 if (!dataempty) {
 682                         *readstate = PG_STATE_DATA;
 683                 } else {
 684                         *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 685                         *readstate = PG_STATE_HEADER;
 686                 }
 687
 688         } else {
 689                 *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 690                 *readstate = PG_STATE_HEADER;
 691         }
 692 }
 693
 694 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data)
 695 {
 696         u8 readstate = PG_STATE_HEADER;
 697
 698         bool continual = true;
 699
 700         u8 efuse_data, word_cnts = 0;
 701         u16 efuse_addr = 0;
 702         u8 tmpdata[8];
 703
 704         if (!data)
 705                 return false;
 706         if (offset > 15)
 707                 return false;
 708
 709         memset(data, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
 710         memset(tmpdata, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
 711
 712         while (continual && (efuse_addr < EFUSE_MAX_SIZE)) {
 713                 if (readstate & PG_STATE_HEADER) {
 714                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
 715                             (efuse_data != 0xFF))
 716                                 efuse_read_data_case1(hw, &efuse_addr,
 717                                                       efuse_data, offset,
 718                                                       tmpdata, &readstate);
 719                         else
 720                                 continual = false;
 721                 } else if (readstate & PG_STATE_DATA) {
 722                         efuse_word_enable_data_read(0, tmpdata, data);
 723                         efuse_addr = efuse_addr + (word_cnts * 2) + 1;
 724                         readstate = PG_STATE_HEADER;
 725                 }
 726         }
 727
 728         if ((data[0] == 0xff) && (data[1] == 0xff) &&
 729             (data[2] == 0xff) && (data[3] == 0xff) &&
 730             (data[4] == 0xff) && (data[5] == 0xff) &&
 731             (data[6] == 0xff) && (data[7] == 0xff))
 732                 return false;
 733         return true;
 734 }
 735
 736 static void efuse_write_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 737                                    u8 efuse_data, u8 offset,
 738                                    int *continual, u8 *write_state,
 739                                    struct pgpkt_struct *target_pkt,
 740                                    int *repeat_times, int *result, u8 word_en)
 741 {
 742         struct rtl_priv *rtlpriv = rtl_priv(hw);
 743         struct pgpkt_struct tmp_pkt;
 744         int dataempty = true;
 745         u8 originaldata[8 * sizeof(u8)];
 746         u8 badworden = 0x0F;
 747         u8 match_word_en, tmp_word_en;
 748         u8 tmpindex;
 749         u8 tmp_header = efuse_data;
 750         u8 tmp_word_cnts;
 751
 752         tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 753         tmp_pkt.word_en = tmp_header & 0x0F;
 754         tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 755
 756         if (tmp_pkt.offset != target_pkt->offset) {
 757                 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 758                 *write_state = PG_STATE_HEADER;
 759         } else {
 760                 for (tmpindex = 0; tmpindex < (tmp_word_cnts * 2); tmpindex++) {
 761                         if (efuse_one_byte_read(hw,
 762                                                 (*efuse_addr + 1 + tmpindex),
 763                                                 &efuse_data) &&
 764                             (efuse_data != 0xFF))
 765                                 dataempty = false;
 766                 }
 767
 768                 if (!dataempty) {
 769                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 770                         *write_state = PG_STATE_HEADER;
 771                 } else {
 772                         match_word_en = 0x0F;
 773                         if (!((target_pkt->word_en & BIT(0)) |
 774                             (tmp_pkt.word_en & BIT(0))))
 775                                 match_word_en &= (~BIT(0));
 776
 777                         if (!((target_pkt->word_en & BIT(1)) |
 778                             (tmp_pkt.word_en & BIT(1))))
 779                                 match_word_en &= (~BIT(1));
 780
 781                         if (!((target_pkt->word_en & BIT(2)) |
 782                             (tmp_pkt.word_en & BIT(2))))
 783                                 match_word_en &= (~BIT(2));
 784
 785                         if (!((target_pkt->word_en & BIT(3)) |
 786                             (tmp_pkt.word_en & BIT(3))))
 787                                 match_word_en &= (~BIT(3));
 788
 789                         if ((match_word_en & 0x0F) != 0x0F) {
 790                                 badworden =
 791                                   enable_efuse_data_write(hw,
 792                                                           *efuse_addr + 1,
 793                                                           tmp_pkt.word_en,
 794                                                           target_pkt->data);
 795
 796                                 if (0x0F != (badworden & 0x0F)) {
 797                                         u8 reorg_offset = offset;
 798                                         u8 reorg_worden = badworden;
 799
 800                                         efuse_pg_packet_write(hw, reorg_offset,
 801                                                               reorg_worden,
 802                                                               originaldata);
 803                                 }
 804
 805                                 tmp_word_en = 0x0F;
 806                                 if ((target_pkt->word_en & BIT(0)) ^
 807                                     (match_word_en & BIT(0)))
 808                                         tmp_word_en &= (~BIT(0));
 809
 810                                 if ((target_pkt->word_en & BIT(1)) ^
 811                                     (match_word_en & BIT(1)))
 812                                         tmp_word_en &= (~BIT(1));
 813
 814                                 if ((target_pkt->word_en & BIT(2)) ^
 815                                     (match_word_en & BIT(2)))
 816                                         tmp_word_en &= (~BIT(2));
 817
 818                                 if ((target_pkt->word_en & BIT(3)) ^
 819                                     (match_word_en & BIT(3)))
 820                                         tmp_word_en &= (~BIT(3));
 821
 822                                 if ((tmp_word_en & 0x0F) != 0x0F) {
 823                                         *efuse_addr =
 824                                             efuse_get_current_size(hw);
 825                                         target_pkt->offset = offset;
 826                                         target_pkt->word_en = tmp_word_en;
 827                                 } else {
 828                                         *continual = false;
 829                                 }
 830                                 *write_state = PG_STATE_HEADER;
 831                                 *repeat_times += 1;
 832                                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 833                                         *continual = false;
 834                                         *result = false;
 835                                 }
 836                         } else {
 837                                 *efuse_addr += (2 * tmp_word_cnts) + 1;
 838                                 target_pkt->offset = offset;
 839                                 target_pkt->word_en = word_en;
 840                                 *write_state = PG_STATE_HEADER;
 841                         }
 842                 }
 843         }
 844         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, "efuse PG_STATE_HEADER-1\n");
 845 }
 846
 847 static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
 848                                    int *continual, u8 *write_state,
 849                                    struct pgpkt_struct target_pkt,
 850                                    int *repeat_times, int *result)
 851 {
 852         struct rtl_priv *rtlpriv = rtl_priv(hw);
 853         struct pgpkt_struct tmp_pkt;
 854         u8 pg_header;
 855         u8 tmp_header;
 856         u8 originaldata[8 * sizeof(u8)];
 857         u8 tmp_word_cnts;
 858         u8 badworden = 0x0F;
 859
 860         pg_header = ((target_pkt.offset << 4) & 0xf0) | target_pkt.word_en;
 861         efuse_one_byte_write(hw, *efuse_addr, pg_header);
 862         efuse_one_byte_read(hw, *efuse_addr, &tmp_header);
 863
 864         if (tmp_header == pg_header) {
 865                 *write_state = PG_STATE_DATA;
 866         } else if (tmp_header == 0xFF) {
 867                 *write_state = PG_STATE_HEADER;
 868                 *repeat_times += 1;
 869                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 870                         *continual = false;
 871                         *result = false;
 872                 }
 873         } else {
 874                 tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 875                 tmp_pkt.word_en = tmp_header & 0x0F;
 876
 877                 tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 878
 879                 memset(originaldata, 0xff,  8 * sizeof(u8));
 880
 881                 if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) {
 882                         badworden = enable_efuse_data_write(hw,
 883                                                             *efuse_addr + 1,
 884                                                             tmp_pkt.word_en,
 885                                                             originaldata);
 886
 887                         if (0x0F != (badworden & 0x0F)) {
 888                                 u8 reorg_offset = tmp_pkt.offset;
 889                                 u8 reorg_worden = badworden;
 890
 891                                 efuse_pg_packet_write(hw, reorg_offset,
 892                                                       reorg_worden,
 893                                                       originaldata);
 894                                 *efuse_addr = efuse_get_current_size(hw);
 895                         } else {
 896                                 *efuse_addr = *efuse_addr +
 897                                               (tmp_word_cnts * 2) + 1;
 898                         }
 899                 } else {
 900                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 901                 }
 902
 903                 *write_state = PG_STATE_HEADER;
 904                 *repeat_times += 1;
 905                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 906                         *continual = false;
 907                         *result = false;
 908                 }
 909
 910                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 911                         "efuse PG_STATE_HEADER-2\n");
 912         }
 913 }
 914
 915 static int efuse_pg_packet_write(struct ieee80211_hw *hw,
 916                                  u8 offset, u8 word_en, u8 *data)
 917 {
 918         struct rtl_priv *rtlpriv = rtl_priv(hw);
 919         struct pgpkt_struct target_pkt;
 920         u8 write_state = PG_STATE_HEADER;
 921         int continual = true, dataempty = true, result = true;
 922         u16 efuse_addr = 0;
 923         u8 efuse_data;
 924         u8 target_word_cnts = 0;
 925         u8 badworden = 0x0F;
 926         static int repeat_times;
 927
 928         if (efuse_get_current_size(hw) >= (EFUSE_MAX_SIZE -
 929                 rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
 930                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 931                         "%s error\n", __func__);
 932                 return false;
 933         }
 934
 935         target_pkt.offset = offset;
 936         target_pkt.word_en = word_en;
 937
 938         memset(target_pkt.data, 0xFF,  8 * sizeof(u8));
 939
 940         efuse_word_enable_data_read(word_en, data, target_pkt.data);
 941         target_word_cnts = efuse_calculate_word_cnts(target_pkt.word_en);
 942
 943         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, "efuse Power ON\n");
 944
 945         while (continual && (efuse_addr < (EFUSE_MAX_SIZE -
 946                rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))) {
 947                 if (write_state == PG_STATE_HEADER) {
 948                         dataempty = true;
 949                         badworden = 0x0F;
 950                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 951                                 "efuse PG_STATE_HEADER\n");
 952
 953                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
 954                             (efuse_data != 0xFF))
 955                                 efuse_write_data_case1(hw, &efuse_addr,
 956                                                        efuse_data, offset,
 957                                                        &continual,
 958                                                        &write_state,
 959                                                        &target_pkt,
 960                                                        &repeat_times, &result,
 961                                                        word_en);
 962                         else
 963                                 efuse_write_data_case2(hw, &efuse_addr,
 964                                                        &continual,
 965                                                        &write_state,
 966                                                        target_pkt,
 967                                                        &repeat_times,
 968                                                        &result);
 969
 970                 } else if (write_state == PG_STATE_DATA) {
 971                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 972                                 "efuse PG_STATE_DATA\n");
 973                         badworden = 0x0f;
 974                         badworden =
 975                             enable_efuse_data_write(hw, efuse_addr + 1,
 976                                                     target_pkt.word_en,
 977                                                     target_pkt.data);
 978
 979                         if ((badworden & 0x0F) == 0x0F) {
 980                                 continual = false;
 981                         } else {
 982                                 efuse_addr =
 983                                     efuse_addr + (2 * target_word_cnts) + 1;
 984
 985                                 target_pkt.offset = offset;
 986                                 target_pkt.word_en = badworden;
 987                                 target_word_cnts =
 988                                     efuse_calculate_word_cnts(target_pkt.word_en);
 989                                 write_state = PG_STATE_HEADER;
 990                                 repeat_times++;
 991                                 if (repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 992                                         continual = false;
 993                                         result = false;
 994                                 }
 995                                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 996                                         "efuse PG_STATE_HEADER-3\n");
 997                         }
 998                 }
 999         }
1000
1001         if (efuse_addr >= (EFUSE_MAX_SIZE -
1002                 rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
1003                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1004                          "efuse_addr(%#x) Out of size!!\n", efuse_addr);
1005         }
1006
1007         return true;
1008 }
1009
1010 static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
1011                                         u8 *targetdata)
1012 {
1013         if (!(word_en & BIT(0))) {
1014                 targetdata[0] = sourdata[0];
1015                 targetdata[1] = sourdata[1];
1016         }
1017
1018         if (!(word_en & BIT(1))) {
1019                 targetdata[2] = sourdata[2];
1020                 targetdata[3] = sourdata[3];
1021         }
1022
1023         if (!(word_en & BIT(2))) {
1024                 targetdata[4] = sourdata[4];
1025                 targetdata[5] = sourdata[5];
1026         }
1027
1028         if (!(word_en & BIT(3))) {
1029                 targetdata[6] = sourdata[6];
1030                 targetdata[7] = sourdata[7];
1031         }
1032 }
1033
1034 static u8 enable_efuse_data_write(struct ieee80211_hw *hw,
1035                                   u16 efuse_addr, u8 word_en, u8 *data)
1036 {
1037         struct rtl_priv *rtlpriv = rtl_priv(hw);
1038         u16 tmpaddr;
1039         u16 start_addr = efuse_addr;
1040         u8 badworden = 0x0F;
1041         u8 tmpdata[8];
1042
1043         memset(tmpdata, 0xff, PGPKT_DATA_SIZE);
1044         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1045                  "word_en = %x efuse_addr=%x\n", word_en, efuse_addr);
1046
1047         if (!(word_en & BIT(0))) {
1048                 tmpaddr = start_addr;
1049                 efuse_one_byte_write(hw, start_addr++, data[0]);
1050                 efuse_one_byte_write(hw, start_addr++, data[1]);
1051
1052                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[0]);
1053                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[1]);
1054                 if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1]))
1055                         badworden &= (~BIT(0));
1056         }
1057
1058         if (!(word_en & BIT(1))) {
1059                 tmpaddr = start_addr;
1060                 efuse_one_byte_write(hw, start_addr++, data[2]);
1061                 efuse_one_byte_write(hw, start_addr++, data[3]);
1062
1063                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[2]);
1064                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[3]);
1065                 if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3]))
1066                         badworden &= (~BIT(1));
1067         }
1068
1069         if (!(word_en & BIT(2))) {
1070                 tmpaddr = start_addr;
1071                 efuse_one_byte_write(hw, start_addr++, data[4]);
1072                 efuse_one_byte_write(hw, start_addr++, data[5]);
1073
1074                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[4]);
1075                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[5]);
1076                 if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5]))
1077                         badworden &= (~BIT(2));
1078         }
1079
1080         if (!(word_en & BIT(3))) {
1081                 tmpaddr = start_addr;
1082                 efuse_one_byte_write(hw, start_addr++, data[6]);
1083                 efuse_one_byte_write(hw, start_addr++, data[7]);
1084
1085                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[6]);
1086                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[7]);
1087                 if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7]))
1088                         badworden &= (~BIT(3));
1089         }
1090
1091         return badworden;
1092 }
1093
1094 void efuse_power_switch(struct ieee80211_hw *hw, u8 write, u8 pwrstate)
1095 {
1096         struct rtl_priv *rtlpriv = rtl_priv(hw);
1097         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1098         u8 tempval;
1099         u16 tmpv16;
1100
1101         if (pwrstate && (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE)) {
1102                 if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192CE &&
1103                     rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE) {
1104                         rtl_write_byte(rtlpriv,
1105                                        rtlpriv->cfg->maps[EFUSE_ACCESS], 0x69);
1106                 } else {
1107                         tmpv16 =
1108                           rtl_read_word(rtlpriv,
1109                                         rtlpriv->cfg->maps[SYS_ISO_CTRL]);
1110                         if (!(tmpv16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
1111                                 tmpv16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V];
1112                                 rtl_write_word(rtlpriv,
1113                                                rtlpriv->cfg->maps[SYS_ISO_CTRL],
1114                                                tmpv16);
1115                         }
1116                 }
1117                 tmpv16 = rtl_read_word(rtlpriv,
1118                                        rtlpriv->cfg->maps[SYS_FUNC_EN]);
1119                 if (!(tmpv16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) {
1120                         tmpv16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR];
1121                         rtl_write_word(rtlpriv,
1122                                        rtlpriv->cfg->maps[SYS_FUNC_EN], tmpv16);
1123                 }
1124
1125                 tmpv16 = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_CLK]);
1126                 if ((!(tmpv16 & rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN])) ||
1127                     (!(tmpv16 & rtlpriv->cfg->maps[EFUSE_ANA8M]))) {
1128                         tmpv16 |= (rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN] |
1129                                    rtlpriv->cfg->maps[EFUSE_ANA8M]);
1130                         rtl_write_word(rtlpriv,
1131                                        rtlpriv->cfg->maps[SYS_CLK], tmpv16);
1132                 }
1133         }
1134
1135         if (pwrstate) {
1136                 if (write) {
1137                         tempval = rtl_read_byte(rtlpriv,
1138                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1139                                                 3);
1140
1141                         if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
1142                                 tempval &= ~(BIT(3) | BIT(4) | BIT(5) | BIT(6));
1143                                 tempval |= (VOLTAGE_V25 << 3);
1144                         } else if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE) {
1145                                 tempval &= 0x0F;
1146                                 tempval |= (VOLTAGE_V25 << 4);
1147                         }
1148
1149                         rtl_write_byte(rtlpriv,
1150                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1151                                        (tempval | 0x80));
1152                 }
1153
1154                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1155                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1156                                        0x03);
1157                 }
1158         } else {
1159                 if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192CE &&
1160                     rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE)
1161                         rtl_write_byte(rtlpriv,
1162                                        rtlpriv->cfg->maps[EFUSE_ACCESS], 0);
1163
1164                 if (write) {
1165                         tempval = rtl_read_byte(rtlpriv,
1166                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1167                                                 3);
1168                         rtl_write_byte(rtlpriv,
1169                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1170                                        (tempval & 0x7F));
1171                 }
1172
1173                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1174                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1175                                        0x02);
1176                 }
1177         }
1178 }
1179
1180 static u16 efuse_get_current_size(struct ieee80211_hw *hw)
1181 {
1182         int continual = true;
1183         u16 efuse_addr = 0;
1184         u8 hoffset, hworden;
1185         u8 efuse_data, word_cnts;
1186
1187         while (continual && efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
1188                (efuse_addr < EFUSE_MAX_SIZE)) {
1189                 if (efuse_data != 0xFF) {
1190                         hoffset = (efuse_data >> 4) & 0x0F;
1191                         hworden = efuse_data & 0x0F;
1192                         word_cnts = efuse_calculate_word_cnts(hworden);
1193                         efuse_addr = efuse_addr + (word_cnts * 2) + 1;
1194                 } else {
1195                         continual = false;
1196                 }
1197         }
1198
1199         return efuse_addr;
1200 }
1201
1202 static u8 efuse_calculate_word_cnts(u8 word_en)
1203 {
1204         u8 word_cnts = 0;
1205
1206         if (!(word_en & BIT(0)))
1207                 word_cnts++;
1208         if (!(word_en & BIT(1)))
1209                 word_cnts++;
1210         if (!(word_en & BIT(2)))
1211                 word_cnts++;
1212         if (!(word_en & BIT(3)))
1213                 word_cnts++;
1214         return word_cnts;
1215 }
1216
1217 int rtl_get_hwinfo(struct ieee80211_hw *hw, struct rtl_priv *rtlpriv,
1218                    int max_size, u8 *hwinfo, int *params)
1219 {
1220         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1221         struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
1222         struct device *dev = &rtlpcipriv->dev.pdev->dev;
1223         u16 eeprom_id;
1224         u16 i, usvalue;
1225
1226         switch (rtlefuse->epromtype) {
1227         case EEPROM_BOOT_EFUSE:
1228                 rtl_efuse_shadow_map_update(hw);
1229                 break;
1230
1231         case EEPROM_93C46:
1232                 pr_err("RTL8XXX did not boot from eeprom, check it !!\n");
1233                 return 1;
1234
1235         default:
1236                 dev_warn(dev, "no efuse data\n");
1237                 return 1;
1238         }
1239
1240         memcpy(hwinfo, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0], max_size);
1241
1242         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "MAP",
1243                       hwinfo, max_size);
1244
1245         eeprom_id = *((u16 *)&hwinfo[0]);
1246         if (eeprom_id != params[0]) {
1247                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1248                          "EEPROM ID(%#x) is invalid!!\n", eeprom_id);
1249                 rtlefuse->autoload_failflag = true;
1250         } else {
1251                 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "Autoload OK\n");
1252                 rtlefuse->autoload_failflag = false;
1253         }
1254
1255         if (rtlefuse->autoload_failflag)
1256                 return 1;
1257
1258         rtlefuse->eeprom_vid = *(u16 *)&hwinfo[params[1]];
1259         rtlefuse->eeprom_did = *(u16 *)&hwinfo[params[2]];
1260         rtlefuse->eeprom_svid = *(u16 *)&hwinfo[params[3]];
1261         rtlefuse->eeprom_smid = *(u16 *)&hwinfo[params[4]];
1262         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1263                  "EEPROMId = 0x%4x\n", eeprom_id);
1264         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1265                  "EEPROM VID = 0x%4x\n", rtlefuse->eeprom_vid);
1266         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1267                  "EEPROM DID = 0x%4x\n", rtlefuse->eeprom_did);
1268         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1269                  "EEPROM SVID = 0x%4x\n", rtlefuse->eeprom_svid);
1270         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1271                  "EEPROM SMID = 0x%4x\n", rtlefuse->eeprom_smid);
1272
1273         for (i = 0; i < 6; i += 2) {
1274                 usvalue = *(u16 *)&hwinfo[params[5] + i];
1275                 *((u16 *)(&rtlefuse->dev_addr[i])) = usvalue;
1276         }
1277         RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "%pM\n", rtlefuse->dev_addr);
1278
1279         rtlefuse->eeprom_channelplan = *&hwinfo[params[6]];
1280         rtlefuse->eeprom_version = *(u16 *)&hwinfo[params[7]];
1281         rtlefuse->txpwr_fromeprom = true;
1282         rtlefuse->eeprom_oemid = *&hwinfo[params[8]];
1283
1284         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1285                  "EEPROM Customer ID: 0x%2x\n", rtlefuse->eeprom_oemid);
1286
1287         /* set channel plan to world wide 13 */
1288         rtlefuse->channel_plan = params[9];
1289
1290         return 0;
1291 }
1292
1293 void rtl_fw_block_write(struct ieee80211_hw *hw, const u8 *buffer, u32 size)
1294 {
1295         struct rtl_priv *rtlpriv = rtl_priv(hw);
1296         u8 *pu4byteptr = (u8 *)buffer;
1297         u32 i;
1298
1299         for (i = 0; i < size; i++)
1300                 rtl_write_byte(rtlpriv, (START_ADDRESS + i), *(pu4byteptr + i));
1301 }
1302
1303 void rtl_fw_page_write(struct ieee80211_hw *hw, u32 page, const u8 *buffer,
1304                        u32 size)
1305 {
1306         struct rtl_priv *rtlpriv = rtl_priv(hw);
1307         u8 value8;
1308         u8 u8page = (u8)(page & 0x07);
1309
1310         value8 = (rtl_read_byte(rtlpriv, REG_MCUFWDL + 2) & 0xF8) | u8page;
1311
1312         rtl_write_byte(rtlpriv, (REG_MCUFWDL + 2), value8);
1313         rtl_fw_block_write(hw, buffer, size);
1314 }
1315
1316 void rtl_fill_dummy(u8 *pfwbuf, u32 *pfwlen)
1317 {
1318         u32 fwlen = *pfwlen;
1319         u8 remain = (u8)(fwlen % 4);
1320
1321         remain = (remain == 0) ? 0 : (4 - remain);
1322
1323         while (remain > 0) {
1324                 pfwbuf[fwlen] = 0;
1325                 fwlen++;
1326                 remain--;
1327         }
1328
1329         *pfwlen = fwlen;
1330 }