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 <[email protected]>
  19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  20  * Hsinchu 300, Taiwan.
  21  *
  22  * Larry Finger <[email protected]>
  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 = kcalloc(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] = kcalloc(efuse_max_section, sizeof(u16), GFP_ATOMIC);
 260                 if (!efuse_word[i])
 261                         goto done;
 262         }
 263
 264         for (i = 0; i < efuse_max_section; i++)
 265                 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++)
 266                         efuse_word[j][i] = 0xFFFF;
 267
 268         read_efuse_byte(hw, efuse_addr, rtemp8);
 269         if (*rtemp8 != 0xFF) {
 270                 efuse_utilized++;
 271                 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 272                         "Addr=%d\n", efuse_addr);
 273                 efuse_addr++;
 274         }
 275
 276         while ((*rtemp8 != 0xFF) && (efuse_addr < efuse_len)) {
 277                 /*  Check PG header for section num.  */
 278                 if ((*rtemp8 & 0x1F) == 0x0F) {/* extended header */
 279                         u1temp = ((*rtemp8 & 0xE0) >> 5);
 280                         read_efuse_byte(hw, efuse_addr, rtemp8);
 281
 282                         if ((*rtemp8 & 0x0F) == 0x0F) {
 283                                 efuse_addr++;
 284                                 read_efuse_byte(hw, efuse_addr, rtemp8);
 285
 286                                 if (*rtemp8 != 0xFF &&
 287                                     (efuse_addr < efuse_len)) {
 288                                         efuse_addr++;
 289                                 }
 290                                 continue;
 291                         } else {
 292                                 offset = ((*rtemp8 & 0xF0) >> 1) | u1temp;
 293                                 wren = (*rtemp8 & 0x0F);
 294                                 efuse_addr++;
 295                         }
 296                 } else {
 297                         offset = ((*rtemp8 >> 4) & 0x0f);
 298                         wren = (*rtemp8 & 0x0f);
 299                 }
 300
 301                 if (offset < efuse_max_section) {
 302                         RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 303                                 "offset-%d Worden=%x\n", offset, wren);
 304
 305                         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
 306                                 if (!(wren & 0x01)) {
 307                                         RTPRINT(rtlpriv, FEEPROM,
 308                                                 EFUSE_READ_ALL,
 309                                                 "Addr=%d\n", efuse_addr);
 310
 311                                         read_efuse_byte(hw, efuse_addr, rtemp8);
 312                                         efuse_addr++;
 313                                         efuse_utilized++;
 314                                         efuse_word[i][offset] =
 315                                                          (*rtemp8 & 0xff);
 316
 317                                         if (efuse_addr >= efuse_len)
 318                                                 break;
 319
 320                                         RTPRINT(rtlpriv, FEEPROM,
 321                                                 EFUSE_READ_ALL,
 322                                                 "Addr=%d\n", efuse_addr);
 323
 324                                         read_efuse_byte(hw, efuse_addr, rtemp8);
 325                                         efuse_addr++;
 326                                         efuse_utilized++;
 327                                         efuse_word[i][offset] |=
 328                                             (((u16)*rtemp8 << 8) & 0xff00);
 329
 330                                         if (efuse_addr >= efuse_len)
 331                                                 break;
 332                                 }
 333
 334                                 wren >>= 1;
 335                         }
 336                 }
 337
 338                 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 339                         "Addr=%d\n", efuse_addr);
 340                 read_efuse_byte(hw, efuse_addr, rtemp8);
 341                 if (*rtemp8 != 0xFF && (efuse_addr < efuse_len)) {
 342                         efuse_utilized++;
 343                         efuse_addr++;
 344                 }
 345         }
 346
 347         for (i = 0; i < efuse_max_section; i++) {
 348                 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++) {
 349                         efuse_tbl[(i * 8) + (j * 2)] =
 350                             (efuse_word[j][i] & 0xff);
 351                         efuse_tbl[(i * 8) + ((j * 2) + 1)] =
 352                             ((efuse_word[j][i] >> 8) & 0xff);
 353                 }
 354         }
 355
 356         for (i = 0; i < _size_byte; i++)
 357                 pbuf[i] = efuse_tbl[_offset + i];
 358
 359         rtlefuse->efuse_usedbytes = efuse_utilized;
 360         efuse_usage = (u8)((efuse_utilized * 100) / efuse_len);
 361         rtlefuse->efuse_usedpercentage = efuse_usage;
 362         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_BYTES,
 363                                       (u8 *)&efuse_utilized);
 364         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_USAGE,
 365                                       &efuse_usage);
 366 done:
 367         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++)
 368                 kfree(efuse_word[i]);
 369         kfree(efuse_word);
 370 out:
 371         kfree(efuse_tbl);
 372 }
 373
 374 bool efuse_shadow_update_chk(struct ieee80211_hw *hw)
 375 {
 376         struct rtl_priv *rtlpriv = rtl_priv(hw);
 377         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 378         u8 section_idx, i, base;
 379         u16 words_need = 0, hdr_num = 0, totalbytes, efuse_used;
 380         bool wordchanged, result = true;
 381
 382         for (section_idx = 0; section_idx < 16; section_idx++) {
 383                 base = section_idx * 8;
 384                 wordchanged = false;
 385
 386                 for (i = 0; i < 8; i = i + 2) {
 387                         if ((rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
 388                              rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) ||
 389                             (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i + 1] !=
 390                              rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i +
 391                                                                    1])) {
 392                                 words_need++;
 393                                 wordchanged = true;
 394                         }
 395                 }
 396
 397                 if (wordchanged)
 398                         hdr_num++;
 399         }
 400
 401         totalbytes = hdr_num + words_need * 2;
 402         efuse_used = rtlefuse->efuse_usedbytes;
 403
 404         if ((totalbytes + efuse_used) >=
 405             (EFUSE_MAX_SIZE - rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))
 406                 result = false;
 407
 408         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 409                  "%s(): totalbytes(%#x), hdr_num(%#x), words_need(%#x), efuse_used(%d)\n",
 410                  __func__, totalbytes, hdr_num, words_need, efuse_used);
 411
 412         return result;
 413 }
 414
 415 void efuse_shadow_read(struct ieee80211_hw *hw, u8 type,
 416                        u16 offset, u32 *value)
 417 {
 418         if (type == 1)
 419                 efuse_shadow_read_1byte(hw, offset, (u8 *)value);
 420         else if (type == 2)
 421                 efuse_shadow_read_2byte(hw, offset, (u16 *)value);
 422         else if (type == 4)
 423                 efuse_shadow_read_4byte(hw, offset, value);
 424 }
 425
 426 void efuse_shadow_write(struct ieee80211_hw *hw, u8 type, u16 offset,
 427                         u32 value)
 428 {
 429         if (type == 1)
 430                 efuse_shadow_write_1byte(hw, offset, (u8)value);
 431         else if (type == 2)
 432                 efuse_shadow_write_2byte(hw, offset, (u16)value);
 433         else if (type == 4)
 434                 efuse_shadow_write_4byte(hw, offset, value);
 435 }
 436
 437 bool efuse_shadow_update(struct ieee80211_hw *hw)
 438 {
 439         struct rtl_priv *rtlpriv = rtl_priv(hw);
 440         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 441         u16 i, offset, base;
 442         u8 word_en = 0x0F;
 443         u8 first_pg = false;
 444
 445         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n");
 446
 447         if (!efuse_shadow_update_chk(hw)) {
 448                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 449                 memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 450                        &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 451                        rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 452
 453                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 454                          "efuse out of capacity!!\n");
 455                 return false;
 456         }
 457         efuse_power_switch(hw, true, true);
 458
 459         for (offset = 0; offset < 16; offset++) {
 460                 word_en = 0x0F;
 461                 base = offset * 8;
 462
 463                 for (i = 0; i < 8; i++) {
 464                         if (first_pg) {
 465                                 word_en &= ~(BIT(i / 2));
 466
 467                                 rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 468                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 469                         } else {
 470                                 if (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
 471                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) {
 472                                         word_en &= ~(BIT(i / 2));
 473
 474                                         rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 475                                             rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 476                                 }
 477                         }
 478                 }
 479                 if (word_en != 0x0F) {
 480                         u8 tmpdata[8];
 481
 482                         memcpy(tmpdata,
 483                                &rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base],
 484                                8);
 485                         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD,
 486                                       "U-efuse\n", tmpdata, 8);
 487
 488                         if (!efuse_pg_packet_write(hw, (u8)offset, word_en,
 489                                                    tmpdata)) {
 490                                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 491                                          "PG section(%#x) fail!!\n", offset);
 492                                 break;
 493                         }
 494                 }
 495         }
 496
 497         efuse_power_switch(hw, true, false);
 498         efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 499
 500         memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 501                &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 502                rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 503
 504         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n");
 505         return true;
 506 }
 507
 508 void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw)
 509 {
 510         struct rtl_priv *rtlpriv = rtl_priv(hw);
 511         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 512
 513         if (rtlefuse->autoload_failflag)
 514                 memset((&rtlefuse->efuse_map[EFUSE_INIT_MAP][0]),
 515                        0xFF, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 516         else
 517                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 518
 519         memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 520                &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 521                rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 522 }
 523
 524 void efuse_force_write_vendor_id(struct ieee80211_hw *hw)
 525 {
 526         u8 tmpdata[8] = { 0xFF, 0xFF, 0xEC, 0x10, 0xFF, 0xFF, 0xFF, 0xFF };
 527
 528         efuse_power_switch(hw, true, true);
 529
 530         efuse_pg_packet_write(hw, 1, 0xD, tmpdata);
 531
 532         efuse_power_switch(hw, true, false);
 533 }
 534
 535 void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx)
 536 {
 537 }
 538
 539 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw,
 540                                     u16 offset, u8 *value)
 541 {
 542         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 543         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 544 }
 545
 546 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw,
 547                                     u16 offset, u16 *value)
 548 {
 549         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 550
 551         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 552         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 553 }
 554
 555 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw,
 556                                     u16 offset, u32 *value)
 557 {
 558         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 559
 560         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 561         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 562         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] << 16;
 563         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] << 24;
 564 }
 565
 566 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw,
 567                                      u16 offset, u8 value)
 568 {
 569         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 570
 571         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value;
 572 }
 573
 574 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw,
 575                                      u16 offset, u16 value)
 576 {
 577         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 578
 579         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value & 0x00FF;
 580         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] = value >> 8;
 581 }
 582
 583 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw,
 584                                      u16 offset, u32 value)
 585 {
 586         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 587
 588         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] =
 589             (u8)(value & 0x000000FF);
 590         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] =
 591             (u8)((value >> 8) & 0x0000FF);
 592         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] =
 593             (u8)((value >> 16) & 0x00FF);
 594         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] =
 595             (u8)((value >> 24) & 0xFF);
 596 }
 597
 598 int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, u8 *data)
 599 {
 600         struct rtl_priv *rtlpriv = rtl_priv(hw);
 601         u8 tmpidx = 0;
 602         int result;
 603
 604         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 605                        (u8)(addr & 0xff));
 606         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 607                        ((u8)((addr >> 8) & 0x03)) |
 608                        (rtl_read_byte(rtlpriv,
 609                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 2) &
 610                         0xFC));
 611
 612         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
 613
 614         while (!(0x80 & rtl_read_byte(rtlpriv,
 615                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 3)) &&
 616                (tmpidx < 100)) {
 617                 tmpidx++;
 618         }
 619
 620         if (tmpidx < 100) {
 621                 *data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 622                 result = true;
 623         } else {
 624                 *data = 0xff;
 625                 result = false;
 626         }
 627         return result;
 628 }
 629
 630 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data)
 631 {
 632         struct rtl_priv *rtlpriv = rtl_priv(hw);
 633         u8 tmpidx = 0;
 634
 635         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 636                  "Addr = %x Data=%x\n", addr, data);
 637
 638         rtl_write_byte(rtlpriv,
 639                        rtlpriv->cfg->maps[EFUSE_CTRL] + 1, (u8)(addr & 0xff));
 640         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 641                        (rtl_read_byte(rtlpriv,
 642                          rtlpriv->cfg->maps[EFUSE_CTRL] +
 643                          2) & 0xFC) | (u8)((addr >> 8) & 0x03));
 644
 645         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], data);
 646         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0xF2);
 647
 648         while ((0x80 &
 649                 rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3)) &&
 650                (tmpidx < 100)) {
 651                 tmpidx++;
 652         }
 653
 654         if (tmpidx < 100)
 655                 return true;
 656         return false;
 657 }
 658
 659 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse)
 660 {
 661         struct rtl_priv *rtlpriv = rtl_priv(hw);
 662
 663         efuse_power_switch(hw, false, true);
 664         read_efuse(hw, 0, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE], efuse);
 665         efuse_power_switch(hw, false, false);
 666 }
 667
 668 static void efuse_read_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 669                                   u8 efuse_data, u8 offset, u8 *tmpdata,
 670                                   u8 *readstate)
 671 {
 672         bool dataempty = true;
 673         u8 hoffset;
 674         u8 tmpidx;
 675         u8 hworden;
 676         u8 word_cnts;
 677
 678         hoffset = (efuse_data >> 4) & 0x0F;
 679         hworden = efuse_data & 0x0F;
 680         word_cnts = efuse_calculate_word_cnts(hworden);
 681
 682         if (hoffset == offset) {
 683                 for (tmpidx = 0; tmpidx < word_cnts * 2; tmpidx++) {
 684                         if (efuse_one_byte_read(hw, *efuse_addr + 1 + tmpidx,
 685                                                 &efuse_data)) {
 686                                 tmpdata[tmpidx] = efuse_data;
 687                                 if (efuse_data != 0xff)
 688                                         dataempty = false;
 689                         }
 690                 }
 691
 692                 if (!dataempty) {
 693                         *readstate = PG_STATE_DATA;
 694                 } else {
 695                         *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 696                         *readstate = PG_STATE_HEADER;
 697                 }
 698
 699         } else {
 700                 *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 701                 *readstate = PG_STATE_HEADER;
 702         }
 703 }
 704
 705 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data)
 706 {
 707         u8 readstate = PG_STATE_HEADER;
 708
 709         bool continual = true;
 710
 711         u8 efuse_data, word_cnts = 0;
 712         u16 efuse_addr = 0;
 713         u8 tmpdata[8];
 714
 715         if (!data)
 716                 return false;
 717         if (offset > 15)
 718                 return false;
 719
 720         memset(data, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
 721         memset(tmpdata, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
 722
 723         while (continual && (efuse_addr < EFUSE_MAX_SIZE)) {
 724                 if (readstate & PG_STATE_HEADER) {
 725                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
 726                             (efuse_data != 0xFF))
 727                                 efuse_read_data_case1(hw, &efuse_addr,
 728                                                       efuse_data, offset,
 729                                                       tmpdata, &readstate);
 730                         else
 731                                 continual = false;
 732                 } else if (readstate & PG_STATE_DATA) {
 733                         efuse_word_enable_data_read(0, tmpdata, data);
 734                         efuse_addr = efuse_addr + (word_cnts * 2) + 1;
 735                         readstate = PG_STATE_HEADER;
 736                 }
 737         }
 738
 739         if ((data[0] == 0xff) && (data[1] == 0xff) &&
 740             (data[2] == 0xff) && (data[3] == 0xff) &&
 741             (data[4] == 0xff) && (data[5] == 0xff) &&
 742             (data[6] == 0xff) && (data[7] == 0xff))
 743                 return false;
 744         return true;
 745 }
 746
 747 static void efuse_write_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 748                                    u8 efuse_data, u8 offset,
 749                                    int *continual, u8 *write_state,
 750                                    struct pgpkt_struct *target_pkt,
 751                                    int *repeat_times, int *result, u8 word_en)
 752 {
 753         struct rtl_priv *rtlpriv = rtl_priv(hw);
 754         struct pgpkt_struct tmp_pkt;
 755         int dataempty = true;
 756         u8 originaldata[8 * sizeof(u8)];
 757         u8 badworden = 0x0F;
 758         u8 match_word_en, tmp_word_en;
 759         u8 tmpindex;
 760         u8 tmp_header = efuse_data;
 761         u8 tmp_word_cnts;
 762
 763         tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 764         tmp_pkt.word_en = tmp_header & 0x0F;
 765         tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 766
 767         if (tmp_pkt.offset != target_pkt->offset) {
 768                 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 769                 *write_state = PG_STATE_HEADER;
 770         } else {
 771                 for (tmpindex = 0; tmpindex < (tmp_word_cnts * 2); tmpindex++) {
 772                         if (efuse_one_byte_read(hw,
 773                                                 (*efuse_addr + 1 + tmpindex),
 774                                                 &efuse_data) &&
 775                             (efuse_data != 0xFF))
 776                                 dataempty = false;
 777                 }
 778
 779                 if (!dataempty) {
 780                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 781                         *write_state = PG_STATE_HEADER;
 782                 } else {
 783                         match_word_en = 0x0F;
 784                         if (!((target_pkt->word_en & BIT(0)) |
 785                             (tmp_pkt.word_en & BIT(0))))
 786                                 match_word_en &= (~BIT(0));
 787
 788                         if (!((target_pkt->word_en & BIT(1)) |
 789                             (tmp_pkt.word_en & BIT(1))))
 790                                 match_word_en &= (~BIT(1));
 791
 792                         if (!((target_pkt->word_en & BIT(2)) |
 793                             (tmp_pkt.word_en & BIT(2))))
 794                                 match_word_en &= (~BIT(2));
 795
 796                         if (!((target_pkt->word_en & BIT(3)) |
 797                             (tmp_pkt.word_en & BIT(3))))
 798                                 match_word_en &= (~BIT(3));
 799
 800                         if ((match_word_en & 0x0F) != 0x0F) {
 801                                 badworden =
 802                                   enable_efuse_data_write(hw,
 803                                                           *efuse_addr + 1,
 804                                                           tmp_pkt.word_en,
 805                                                           target_pkt->data);
 806
 807                                 if (0x0F != (badworden & 0x0F)) {
 808                                         u8 reorg_offset = offset;
 809                                         u8 reorg_worden = badworden;
 810
 811                                         efuse_pg_packet_write(hw, reorg_offset,
 812                                                               reorg_worden,
 813                                                               originaldata);
 814                                 }
 815
 816                                 tmp_word_en = 0x0F;
 817                                 if ((target_pkt->word_en & BIT(0)) ^
 818                                     (match_word_en & BIT(0)))
 819                                         tmp_word_en &= (~BIT(0));
 820
 821                                 if ((target_pkt->word_en & BIT(1)) ^
 822                                     (match_word_en & BIT(1)))
 823                                         tmp_word_en &= (~BIT(1));
 824
 825                                 if ((target_pkt->word_en & BIT(2)) ^
 826                                     (match_word_en & BIT(2)))
 827                                         tmp_word_en &= (~BIT(2));
 828
 829                                 if ((target_pkt->word_en & BIT(3)) ^
 830                                     (match_word_en & BIT(3)))
 831                                         tmp_word_en &= (~BIT(3));
 832
 833                                 if ((tmp_word_en & 0x0F) != 0x0F) {
 834                                         *efuse_addr =
 835                                             efuse_get_current_size(hw);
 836                                         target_pkt->offset = offset;
 837                                         target_pkt->word_en = tmp_word_en;
 838                                 } else {
 839                                         *continual = false;
 840                                 }
 841                                 *write_state = PG_STATE_HEADER;
 842                                 *repeat_times += 1;
 843                                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 844                                         *continual = false;
 845                                         *result = false;
 846                                 }
 847                         } else {
 848                                 *efuse_addr += (2 * tmp_word_cnts) + 1;
 849                                 target_pkt->offset = offset;
 850                                 target_pkt->word_en = word_en;
 851                                 *write_state = PG_STATE_HEADER;
 852                         }
 853                 }
 854         }
 855         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, "efuse PG_STATE_HEADER-1\n");
 856 }
 857
 858 static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
 859                                    int *continual, u8 *write_state,
 860                                    struct pgpkt_struct target_pkt,
 861                                    int *repeat_times, int *result)
 862 {
 863         struct rtl_priv *rtlpriv = rtl_priv(hw);
 864         struct pgpkt_struct tmp_pkt;
 865         u8 pg_header;
 866         u8 tmp_header;
 867         u8 originaldata[8 * sizeof(u8)];
 868         u8 tmp_word_cnts;
 869         u8 badworden = 0x0F;
 870
 871         pg_header = ((target_pkt.offset << 4) & 0xf0) | target_pkt.word_en;
 872         efuse_one_byte_write(hw, *efuse_addr, pg_header);
 873         efuse_one_byte_read(hw, *efuse_addr, &tmp_header);
 874
 875         if (tmp_header == pg_header) {
 876                 *write_state = PG_STATE_DATA;
 877         } else if (tmp_header == 0xFF) {
 878                 *write_state = PG_STATE_HEADER;
 879                 *repeat_times += 1;
 880                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 881                         *continual = false;
 882                         *result = false;
 883                 }
 884         } else {
 885                 tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 886                 tmp_pkt.word_en = tmp_header & 0x0F;
 887
 888                 tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 889
 890                 memset(originaldata, 0xff,  8 * sizeof(u8));
 891
 892                 if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) {
 893                         badworden = enable_efuse_data_write(hw,
 894                                                             *efuse_addr + 1,
 895                                                             tmp_pkt.word_en,
 896                                                             originaldata);
 897
 898                         if (0x0F != (badworden & 0x0F)) {
 899                                 u8 reorg_offset = tmp_pkt.offset;
 900                                 u8 reorg_worden = badworden;
 901
 902                                 efuse_pg_packet_write(hw, reorg_offset,
 903                                                       reorg_worden,
 904                                                       originaldata);
 905                                 *efuse_addr = efuse_get_current_size(hw);
 906                         } else {
 907                                 *efuse_addr = *efuse_addr +
 908                                               (tmp_word_cnts * 2) + 1;
 909                         }
 910                 } else {
 911                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 912                 }
 913
 914                 *write_state = PG_STATE_HEADER;
 915                 *repeat_times += 1;
 916                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 917                         *continual = false;
 918                         *result = false;
 919                 }
 920
 921                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 922                         "efuse PG_STATE_HEADER-2\n");
 923         }
 924 }
 925
 926 static int efuse_pg_packet_write(struct ieee80211_hw *hw,
 927                                  u8 offset, u8 word_en, u8 *data)
 928 {
 929         struct rtl_priv *rtlpriv = rtl_priv(hw);
 930         struct pgpkt_struct target_pkt;
 931         u8 write_state = PG_STATE_HEADER;
 932         int continual = true, dataempty = true, result = true;
 933         u16 efuse_addr = 0;
 934         u8 efuse_data;
 935         u8 target_word_cnts = 0;
 936         u8 badworden = 0x0F;
 937         static int repeat_times;
 938
 939         if (efuse_get_current_size(hw) >= (EFUSE_MAX_SIZE -
 940                 rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
 941                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 942                         "%s error\n", __func__);
 943                 return false;
 944         }
 945
 946         target_pkt.offset = offset;
 947         target_pkt.word_en = word_en;
 948
 949         memset(target_pkt.data, 0xFF,  8 * sizeof(u8));
 950
 951         efuse_word_enable_data_read(word_en, data, target_pkt.data);
 952         target_word_cnts = efuse_calculate_word_cnts(target_pkt.word_en);
 953
 954         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, "efuse Power ON\n");
 955
 956         while (continual && (efuse_addr < (EFUSE_MAX_SIZE -
 957                rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))) {
 958                 if (write_state == PG_STATE_HEADER) {
 959                         dataempty = true;
 960                         badworden = 0x0F;
 961                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 962                                 "efuse PG_STATE_HEADER\n");
 963
 964                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
 965                             (efuse_data != 0xFF))
 966                                 efuse_write_data_case1(hw, &efuse_addr,
 967                                                        efuse_data, offset,
 968                                                        &continual,
 969                                                        &write_state,
 970                                                        &target_pkt,
 971                                                        &repeat_times, &result,
 972                                                        word_en);
 973                         else
 974                                 efuse_write_data_case2(hw, &efuse_addr,
 975                                                        &continual,
 976                                                        &write_state,
 977                                                        target_pkt,
 978                                                        &repeat_times,
 979                                                        &result);
 980
 981                 } else if (write_state == PG_STATE_DATA) {
 982                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 983                                 "efuse PG_STATE_DATA\n");
 984                         badworden = 0x0f;
 985                         badworden =
 986                             enable_efuse_data_write(hw, efuse_addr + 1,
 987                                                     target_pkt.word_en,
 988                                                     target_pkt.data);
 989
 990                         if ((badworden & 0x0F) == 0x0F) {
 991                                 continual = false;
 992                         } else {
 993                                 efuse_addr =
 994                                     efuse_addr + (2 * target_word_cnts) + 1;
 995
 996                                 target_pkt.offset = offset;
 997                                 target_pkt.word_en = badworden;
 998                                 target_word_cnts =
 999                                     efuse_calculate_word_cnts(target_pkt.word_en);
1000                                 write_state = PG_STATE_HEADER;
1001                                 repeat_times++;
1002                                 if (repeat_times > EFUSE_REPEAT_THRESHOLD_) {
1003                                         continual = false;
1004                                         result = false;
1005                                 }
1006                                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
1007                                         "efuse PG_STATE_HEADER-3\n");
1008                         }
1009                 }
1010         }
1011
1012         if (efuse_addr >= (EFUSE_MAX_SIZE -
1013                 rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
1014                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1015                          "efuse_addr(%#x) Out of size!!\n", efuse_addr);
1016         }
1017
1018         return true;
1019 }
1020
1021 static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
1022                                         u8 *targetdata)
1023 {
1024         if (!(word_en & BIT(0))) {
1025                 targetdata[0] = sourdata[0];
1026                 targetdata[1] = sourdata[1];
1027         }
1028
1029         if (!(word_en & BIT(1))) {
1030                 targetdata[2] = sourdata[2];
1031                 targetdata[3] = sourdata[3];
1032         }
1033
1034         if (!(word_en & BIT(2))) {
1035                 targetdata[4] = sourdata[4];
1036                 targetdata[5] = sourdata[5];
1037         }
1038
1039         if (!(word_en & BIT(3))) {
1040                 targetdata[6] = sourdata[6];
1041                 targetdata[7] = sourdata[7];
1042         }
1043 }
1044
1045 static u8 enable_efuse_data_write(struct ieee80211_hw *hw,
1046                                   u16 efuse_addr, u8 word_en, u8 *data)
1047 {
1048         struct rtl_priv *rtlpriv = rtl_priv(hw);
1049         u16 tmpaddr;
1050         u16 start_addr = efuse_addr;
1051         u8 badworden = 0x0F;
1052         u8 tmpdata[8];
1053
1054         memset(tmpdata, 0xff, PGPKT_DATA_SIZE);
1055         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1056                  "word_en = %x efuse_addr=%x\n", word_en, efuse_addr);
1057
1058         if (!(word_en & BIT(0))) {
1059                 tmpaddr = start_addr;
1060                 efuse_one_byte_write(hw, start_addr++, data[0]);
1061                 efuse_one_byte_write(hw, start_addr++, data[1]);
1062
1063                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[0]);
1064                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[1]);
1065                 if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1]))
1066                         badworden &= (~BIT(0));
1067         }
1068
1069         if (!(word_en & BIT(1))) {
1070                 tmpaddr = start_addr;
1071                 efuse_one_byte_write(hw, start_addr++, data[2]);
1072                 efuse_one_byte_write(hw, start_addr++, data[3]);
1073
1074                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[2]);
1075                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[3]);
1076                 if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3]))
1077                         badworden &= (~BIT(1));
1078         }
1079
1080         if (!(word_en & BIT(2))) {
1081                 tmpaddr = start_addr;
1082                 efuse_one_byte_write(hw, start_addr++, data[4]);
1083                 efuse_one_byte_write(hw, start_addr++, data[5]);
1084
1085                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[4]);
1086                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[5]);
1087                 if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5]))
1088                         badworden &= (~BIT(2));
1089         }
1090
1091         if (!(word_en & BIT(3))) {
1092                 tmpaddr = start_addr;
1093                 efuse_one_byte_write(hw, start_addr++, data[6]);
1094                 efuse_one_byte_write(hw, start_addr++, data[7]);
1095
1096                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[6]);
1097                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[7]);
1098                 if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7]))
1099                         badworden &= (~BIT(3));
1100         }
1101
1102         return badworden;
1103 }
1104
1105 void efuse_power_switch(struct ieee80211_hw *hw, u8 write, u8 pwrstate)
1106 {
1107         struct rtl_priv *rtlpriv = rtl_priv(hw);
1108         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1109         u8 tempval;
1110         u16 tmpv16;
1111
1112         if (pwrstate && (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE)) {
1113                 if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192CE &&
1114                     rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE) {
1115                         rtl_write_byte(rtlpriv,
1116                                        rtlpriv->cfg->maps[EFUSE_ACCESS], 0x69);
1117                 } else {
1118                         tmpv16 =
1119                           rtl_read_word(rtlpriv,
1120                                         rtlpriv->cfg->maps[SYS_ISO_CTRL]);
1121                         if (!(tmpv16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
1122                                 tmpv16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V];
1123                                 rtl_write_word(rtlpriv,
1124                                                rtlpriv->cfg->maps[SYS_ISO_CTRL],
1125                                                tmpv16);
1126                         }
1127                 }
1128                 tmpv16 = rtl_read_word(rtlpriv,
1129                                        rtlpriv->cfg->maps[SYS_FUNC_EN]);
1130                 if (!(tmpv16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) {
1131                         tmpv16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR];
1132                         rtl_write_word(rtlpriv,
1133                                        rtlpriv->cfg->maps[SYS_FUNC_EN], tmpv16);
1134                 }
1135
1136                 tmpv16 = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_CLK]);
1137                 if ((!(tmpv16 & rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN])) ||
1138                     (!(tmpv16 & rtlpriv->cfg->maps[EFUSE_ANA8M]))) {
1139                         tmpv16 |= (rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN] |
1140                                    rtlpriv->cfg->maps[EFUSE_ANA8M]);
1141                         rtl_write_word(rtlpriv,
1142                                        rtlpriv->cfg->maps[SYS_CLK], tmpv16);
1143                 }
1144         }
1145
1146         if (pwrstate) {
1147                 if (write) {
1148                         tempval = rtl_read_byte(rtlpriv,
1149                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1150                                                 3);
1151
1152                         if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
1153                                 tempval &= ~(BIT(3) | BIT(4) | BIT(5) | BIT(6));
1154                                 tempval |= (VOLTAGE_V25 << 3);
1155                         } else if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE) {
1156                                 tempval &= 0x0F;
1157                                 tempval |= (VOLTAGE_V25 << 4);
1158                         }
1159
1160                         rtl_write_byte(rtlpriv,
1161                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1162                                        (tempval | 0x80));
1163                 }
1164
1165                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1166                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1167                                        0x03);
1168                 }
1169         } else {
1170                 if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192CE &&
1171                     rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE)
1172                         rtl_write_byte(rtlpriv,
1173                                        rtlpriv->cfg->maps[EFUSE_ACCESS], 0);
1174
1175                 if (write) {
1176                         tempval = rtl_read_byte(rtlpriv,
1177                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1178                                                 3);
1179                         rtl_write_byte(rtlpriv,
1180                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1181                                        (tempval & 0x7F));
1182                 }
1183
1184                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1185                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1186                                        0x02);
1187                 }
1188         }
1189 }
1190
1191 static u16 efuse_get_current_size(struct ieee80211_hw *hw)
1192 {
1193         int continual = true;
1194         u16 efuse_addr = 0;
1195         u8 hoffset, hworden;
1196         u8 efuse_data, word_cnts;
1197
1198         while (continual && efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
1199                (efuse_addr < EFUSE_MAX_SIZE)) {
1200                 if (efuse_data != 0xFF) {
1201                         hoffset = (efuse_data >> 4) & 0x0F;
1202                         hworden = efuse_data & 0x0F;
1203                         word_cnts = efuse_calculate_word_cnts(hworden);
1204                         efuse_addr = efuse_addr + (word_cnts * 2) + 1;
1205                 } else {
1206                         continual = false;
1207                 }
1208         }
1209
1210         return efuse_addr;
1211 }
1212
1213 static u8 efuse_calculate_word_cnts(u8 word_en)
1214 {
1215         u8 word_cnts = 0;
1216
1217         if (!(word_en & BIT(0)))
1218                 word_cnts++;
1219         if (!(word_en & BIT(1)))
1220                 word_cnts++;
1221         if (!(word_en & BIT(2)))
1222                 word_cnts++;
1223         if (!(word_en & BIT(3)))
1224                 word_cnts++;
1225         return word_cnts;
1226 }
1227
1228 int rtl_get_hwinfo(struct ieee80211_hw *hw, struct rtl_priv *rtlpriv,
1229                    int max_size, u8 *hwinfo, int *params)
1230 {
1231         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1232         struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
1233         struct device *dev = &rtlpcipriv->dev.pdev->dev;
1234         u16 eeprom_id;
1235         u16 i, usvalue;
1236
1237         switch (rtlefuse->epromtype) {
1238         case EEPROM_BOOT_EFUSE:
1239                 rtl_efuse_shadow_map_update(hw);
1240                 break;
1241
1242         case EEPROM_93C46:
1243                 pr_err("RTL8XXX did not boot from eeprom, check it !!\n");
1244                 return 1;
1245
1246         default:
1247                 dev_warn(dev, "no efuse data\n");
1248                 return 1;
1249         }
1250
1251         memcpy(hwinfo, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0], max_size);
1252
1253         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "MAP",
1254                       hwinfo, max_size);
1255
1256         eeprom_id = *((u16 *)&hwinfo[0]);
1257         if (eeprom_id != params[0]) {
1258                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1259                          "EEPROM ID(%#x) is invalid!!\n", eeprom_id);
1260                 rtlefuse->autoload_failflag = true;
1261         } else {
1262                 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "Autoload OK\n");
1263                 rtlefuse->autoload_failflag = false;
1264         }
1265
1266         if (rtlefuse->autoload_failflag)
1267                 return 1;
1268
1269         rtlefuse->eeprom_vid = *(u16 *)&hwinfo[params[1]];
1270         rtlefuse->eeprom_did = *(u16 *)&hwinfo[params[2]];
1271         rtlefuse->eeprom_svid = *(u16 *)&hwinfo[params[3]];
1272         rtlefuse->eeprom_smid = *(u16 *)&hwinfo[params[4]];
1273         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1274                  "EEPROMId = 0x%4x\n", eeprom_id);
1275         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1276                  "EEPROM VID = 0x%4x\n", rtlefuse->eeprom_vid);
1277         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1278                  "EEPROM DID = 0x%4x\n", rtlefuse->eeprom_did);
1279         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1280                  "EEPROM SVID = 0x%4x\n", rtlefuse->eeprom_svid);
1281         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1282                  "EEPROM SMID = 0x%4x\n", rtlefuse->eeprom_smid);
1283
1284         for (i = 0; i < 6; i += 2) {
1285                 usvalue = *(u16 *)&hwinfo[params[5] + i];
1286                 *((u16 *)(&rtlefuse->dev_addr[i])) = usvalue;
1287         }
1288         RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "%pM\n", rtlefuse->dev_addr);
1289
1290         rtlefuse->eeprom_channelplan = *&hwinfo[params[6]];
1291         rtlefuse->eeprom_version = *(u16 *)&hwinfo[params[7]];
1292         rtlefuse->txpwr_fromeprom = true;
1293         rtlefuse->eeprom_oemid = *&hwinfo[params[8]];
1294
1295         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1296                  "EEPROM Customer ID: 0x%2x\n", rtlefuse->eeprom_oemid);
1297
1298         /* set channel plan to world wide 13 */
1299         rtlefuse->channel_plan = params[9];
1300
1301         return 0;
1302 }
1303
1304 void rtl_fw_block_write(struct ieee80211_hw *hw, const u8 *buffer, u32 size)
1305 {
1306         struct rtl_priv *rtlpriv = rtl_priv(hw);
1307         u8 *pu4byteptr = (u8 *)buffer;
1308         u32 i;
1309
1310         for (i = 0; i < size; i++)
1311                 rtl_write_byte(rtlpriv, (START_ADDRESS + i), *(pu4byteptr + i));
1312 }
1313
1314 void rtl_fw_page_write(struct ieee80211_hw *hw, u32 page, const u8 *buffer,
1315                        u32 size)
1316 {
1317         struct rtl_priv *rtlpriv = rtl_priv(hw);
1318         u8 value8;
1319         u8 u8page = (u8)(page & 0x07);
1320
1321         value8 = (rtl_read_byte(rtlpriv, REG_MCUFWDL + 2) & 0xF8) | u8page;
1322
1323         rtl_write_byte(rtlpriv, (REG_MCUFWDL + 2), value8);
1324         rtl_fw_block_write(hw, buffer, size);
1325 }
1326
1327 void rtl_fill_dummy(u8 *pfwbuf, u32 *pfwlen)
1328 {
1329         u32 fwlen = *pfwlen;
1330         u8 remain = (u8)(fwlen % 4);
1331
1332         remain = (remain == 0) ? 0 : (4 - remain);
1333
1334         while (remain > 0) {
1335                 pfwbuf[fwlen] = 0;
1336                 fwlen++;
1337                 remain--;
1338         }
1339
1340         *pfwlen = fwlen;
1341 }