]> git.karo-electronics.de Git - mv-sheeva.git/blobdiff - drivers/net/wireless/rtlwifi/efuse.c
Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[mv-sheeva.git] / drivers / net / wireless / rtlwifi / efuse.c
diff --git a/drivers/net/wireless/rtlwifi/efuse.c b/drivers/net/wireless/rtlwifi/efuse.c
new file mode 100644 (file)
index 0000000..62876cd
--- /dev/null
@@ -0,0 +1,1189 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2010  Realtek Corporation.
+ *
+ * Tmis program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * Tmis program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * tmis program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * Tme full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * wlanfae <wlanfae@realtek.com>
+ * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
+ * Hsinchu 300, Taiwan.
+ *
+ * Larry Finger <Larry.Finger@lwfinger.net>
+ *
+ *****************************************************************************/
+
+#include "wifi.h"
+#include "efuse.h"
+
+static const u8 MAX_PGPKT_SIZE = 9;
+static const u8 PGPKT_DATA_SIZE = 8;
+static const int EFUSE_MAX_SIZE = 512;
+
+static const u8 EFUSE_OOB_PROTECT_BYTES = 15;
+
+static const struct efuse_map RTL8712_SDIO_EFUSE_TABLE[] = {
+       {0, 0, 0, 2},
+       {0, 1, 0, 2},
+       {0, 2, 0, 2},
+       {1, 0, 0, 1},
+       {1, 0, 1, 1},
+       {1, 1, 0, 1},
+       {1, 1, 1, 3},
+       {1, 3, 0, 17},
+       {3, 3, 1, 48},
+       {10, 0, 0, 6},
+       {10, 3, 0, 1},
+       {10, 3, 1, 1},
+       {11, 0, 0, 28}
+};
+
+static void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset,
+                                       u8 *pbuf);
+static void efuse_shadow_read_1byte(struct ieee80211_hw *hw, u16 offset,
+                                   u8 *value);
+static void efuse_shadow_read_2byte(struct ieee80211_hw *hw, u16 offset,
+                                   u16 *value);
+static void efuse_shadow_read_4byte(struct ieee80211_hw *hw, u16 offset,
+                                   u32 *value);
+static void efuse_shadow_write_1byte(struct ieee80211_hw *hw, u16 offset,
+                                    u8 value);
+static void efuse_shadow_write_2byte(struct ieee80211_hw *hw, u16 offset,
+                                    u16 value);
+static void efuse_shadow_write_4byte(struct ieee80211_hw *hw, u16 offset,
+                                    u32 value);
+static int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr,
+                                       u8 *data);
+static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr,
+                                       u8 data);
+static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse);
+static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset,
+                                       u8 *data);
+static int efuse_pg_packet_write(struct ieee80211_hw *hw, u8 offset,
+                                u8 word_en, u8 *data);
+static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
+                                       u8 *targetdata);
+static u8 efuse_word_enable_data_write(struct ieee80211_hw *hw,
+                                      u16 efuse_addr, u8 word_en, u8 *data);
+static void efuse_power_switch(struct ieee80211_hw *hw, u8 bwrite,
+                                       u8 pwrstate);
+static u16 efuse_get_current_size(struct ieee80211_hw *hw);
+static u8 efuse_calculate_word_cnts(u8 word_en);
+
+void efuse_initialize(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       u8 bytetemp;
+       u8 temp;
+
+       bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1);
+       temp = bytetemp | 0x20;
+       rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1, temp);
+
+       bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1);
+       temp = bytetemp & 0xFE;
+       rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1, temp);
+
+       bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3);
+       temp = bytetemp | 0x80;
+       rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3, temp);
+
+       rtl_write_byte(rtlpriv, 0x2F8, 0x3);
+
+       rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
+
+}
+
+u8 efuse_read_1byte(struct ieee80211_hw *hw, u16 address)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       u8 data;
+       u8 bytetemp;
+       u8 temp;
+       u32 k = 0;
+
+       if (address < EFUSE_REAL_CONTENT_LEN) {
+               temp = address & 0xFF;
+               rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
+                              temp);
+               bytetemp = rtl_read_byte(rtlpriv,
+                                        rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
+               temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
+               rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
+                              temp);
+
+               bytetemp = rtl_read_byte(rtlpriv,
+                                        rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
+               temp = bytetemp & 0x7F;
+               rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
+                              temp);
+
+               bytetemp = rtl_read_byte(rtlpriv,
+                                        rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
+               while (!(bytetemp & 0x80)) {
+                       bytetemp = rtl_read_byte(rtlpriv,
+                                                rtlpriv->cfg->
+                                                maps[EFUSE_CTRL] + 3);
+                       k++;
+                       if (k == 1000) {
+                               k = 0;
+                               break;
+                       }
+               }
+               data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
+               return data;
+       } else
+               return 0xFF;
+
+}
+EXPORT_SYMBOL(efuse_read_1byte);
+
+void efuse_write_1byte(struct ieee80211_hw *hw, u16 address, u8 value)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       u8 bytetemp;
+       u8 temp;
+       u32 k = 0;
+
+       RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
+                ("Addr=%x Data =%x\n", address, value));
+
+       if (address < EFUSE_REAL_CONTENT_LEN) {
+               rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], value);
+
+               temp = address & 0xFF;
+               rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
+                              temp);
+               bytetemp = rtl_read_byte(rtlpriv,
+                                        rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
+
+               temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
+               rtl_write_byte(rtlpriv,
+                              rtlpriv->cfg->maps[EFUSE_CTRL] + 2, temp);
+
+               bytetemp = rtl_read_byte(rtlpriv,
+                                        rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
+               temp = bytetemp | 0x80;
+               rtl_write_byte(rtlpriv,
+                              rtlpriv->cfg->maps[EFUSE_CTRL] + 3, temp);
+
+               bytetemp = rtl_read_byte(rtlpriv,
+                                        rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
+
+               while (bytetemp & 0x80) {
+                       bytetemp = rtl_read_byte(rtlpriv,
+                                                rtlpriv->cfg->
+                                                maps[EFUSE_CTRL] + 3);
+                       k++;
+                       if (k == 100) {
+                               k = 0;
+                               break;
+                       }
+               }
+       }
+
+}
+
+static void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset, u8 *pbuf)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       u32 value32;
+       u8 readbyte;
+       u16 retry;
+
+       rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
+                      (_offset & 0xff));
+       readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
+       rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
+                      ((_offset >> 8) & 0x03) | (readbyte & 0xfc));
+
+       readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
+       rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
+                      (readbyte & 0x7f));
+
+       retry = 0;
+       value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
+       while (!(((value32 >> 24) & 0xff) & 0x80) && (retry < 10000)) {
+               value32 = rtl_read_dword(rtlpriv,
+                                        rtlpriv->cfg->maps[EFUSE_CTRL]);
+               retry++;
+       }
+
+       udelay(50);
+       value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
+
+       *pbuf = (u8) (value32 & 0xff);
+}
+
+void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+       u8 efuse_tbl[EFUSE_MAP_LEN];
+       u8 rtemp8[1];
+       u16 efuse_addr = 0;
+       u8 offset, wren;
+       u16 i;
+       u16 j;
+       u16 efuse_word[EFUSE_MAX_SECTION][EFUSE_MAX_WORD_UNIT];
+       u16 efuse_utilized = 0;
+       u8 efuse_usage;
+
+       if ((_offset + _size_byte) > EFUSE_MAP_LEN) {
+               RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
+                        ("read_efuse(): Invalid offset(%#x) with read "
+                         "bytes(%#x)!!\n", _offset, _size_byte));
+               return;
+       }
+
+       for (i = 0; i < EFUSE_MAX_SECTION; i++)
+               for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++)
+                       efuse_word[i][j] = 0xFFFF;
+
+       read_efuse_byte(hw, efuse_addr, rtemp8);
+       if (*rtemp8 != 0xFF) {
+               efuse_utilized++;
+               RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
+                       ("Addr=%d\n", efuse_addr));
+               efuse_addr++;
+       }
+
+       while ((*rtemp8 != 0xFF) && (efuse_addr < EFUSE_REAL_CONTENT_LEN)) {
+               offset = ((*rtemp8 >> 4) & 0x0f);
+
+               if (offset < EFUSE_MAX_SECTION) {
+                       wren = (*rtemp8 & 0x0f);
+                       RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
+                               ("offset-%d Worden=%x\n", offset, wren));
+
+                       for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
+                               if (!(wren & 0x01)) {
+                                       RTPRINT(rtlpriv, FEEPROM,
+                                               EFUSE_READ_ALL, ("Addr=%d\n",
+                                                                efuse_addr));
+
+                                       read_efuse_byte(hw, efuse_addr, rtemp8);
+                                       efuse_addr++;
+                                       efuse_utilized++;
+                                       efuse_word[offset][i] = (*rtemp8 & 0xff);
+
+                                       if (efuse_addr >= EFUSE_REAL_CONTENT_LEN)
+                                               break;
+
+                                       RTPRINT(rtlpriv, FEEPROM,
+                                               EFUSE_READ_ALL, ("Addr=%d\n",
+                                                                efuse_addr));
+
+                                       read_efuse_byte(hw, efuse_addr, rtemp8);
+                                       efuse_addr++;
+                                       efuse_utilized++;
+                                       efuse_word[offset][i] |=
+                                           (((u16)*rtemp8 << 8) & 0xff00);
+
+                                       if (efuse_addr >= EFUSE_REAL_CONTENT_LEN)
+                                               break;
+                               }
+
+                               wren >>= 1;
+                       }
+               }
+
+               RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
+                       ("Addr=%d\n", efuse_addr));
+               read_efuse_byte(hw, efuse_addr, rtemp8);
+               if (*rtemp8 != 0xFF && (efuse_addr < 512)) {
+                       efuse_utilized++;
+                       efuse_addr++;
+               }
+       }
+
+       for (i = 0; i < EFUSE_MAX_SECTION; i++) {
+               for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++) {
+                       efuse_tbl[(i * 8) + (j * 2)] =
+                           (efuse_word[i][j] & 0xff);
+                       efuse_tbl[(i * 8) + ((j * 2) + 1)] =
+                           ((efuse_word[i][j] >> 8) & 0xff);
+               }
+       }
+
+       for (i = 0; i < _size_byte; i++)
+               pbuf[i] = efuse_tbl[_offset + i];
+
+       rtlefuse->efuse_usedbytes = efuse_utilized;
+       efuse_usage = (u8)((efuse_utilized * 100) / EFUSE_REAL_CONTENT_LEN);
+       rtlefuse->efuse_usedpercentage = efuse_usage;
+       rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_BYTES,
+                                     (u8 *)&efuse_utilized);
+       rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_USAGE,
+                                     (u8 *)&efuse_usage);
+}
+
+bool efuse_shadow_update_chk(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+       u8 section_idx, i, Base;
+       u16 words_need = 0, hdr_num = 0, totalbytes, efuse_used;
+       bool bwordchanged, bresult = true;
+
+       for (section_idx = 0; section_idx < 16; section_idx++) {
+               Base = section_idx * 8;
+               bwordchanged = false;
+
+               for (i = 0; i < 8; i = i + 2) {
+                       if ((rtlefuse->efuse_map[EFUSE_INIT_MAP][Base + i] !=
+                            rtlefuse->efuse_map[EFUSE_MODIFY_MAP][Base + i]) ||
+                           (rtlefuse->efuse_map[EFUSE_INIT_MAP][Base + i + 1] !=
+                            rtlefuse->efuse_map[EFUSE_MODIFY_MAP][Base + i +
+                                                                  1])) {
+                               words_need++;
+                               bwordchanged = true;
+                       }
+               }
+
+               if (bwordchanged == true)
+                       hdr_num++;
+       }
+
+       totalbytes = hdr_num + words_need * 2;
+       efuse_used = rtlefuse->efuse_usedbytes;
+
+       if ((totalbytes + efuse_used) >=
+           (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES))
+               bresult = false;
+
+       RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
+                ("efuse_shadow_update_chk(): totalbytes(%#x), "
+                 "hdr_num(%#x), words_need(%#x), efuse_used(%d)\n",
+                 totalbytes, hdr_num, words_need, efuse_used));
+
+       return bresult;
+}
+
+void efuse_shadow_read(struct ieee80211_hw *hw, u8 type,
+                      u16 offset, u32 *value)
+{
+       if (type == 1)
+               efuse_shadow_read_1byte(hw, offset, (u8 *) value);
+       else if (type == 2)
+               efuse_shadow_read_2byte(hw, offset, (u16 *) value);
+       else if (type == 4)
+               efuse_shadow_read_4byte(hw, offset, (u32 *) value);
+
+}
+
+void efuse_shadow_write(struct ieee80211_hw *hw, u8 type, u16 offset,
+                               u32 value)
+{
+       if (type == 1)
+               efuse_shadow_write_1byte(hw, offset, (u8) value);
+       else if (type == 2)
+               efuse_shadow_write_2byte(hw, offset, (u16) value);
+       else if (type == 4)
+               efuse_shadow_write_4byte(hw, offset, (u32) value);
+
+}
+
+bool efuse_shadow_update(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+       u16 i, offset, base;
+       u8 word_en = 0x0F;
+       u8 first_pg = false;
+
+       RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, ("--->\n"));
+
+       if (!efuse_shadow_update_chk(hw)) {
+               efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
+               memcpy((void *)&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
+                      (void *)&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
+                      rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
+
+               RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
+                        ("<---efuse out of capacity!!\n"));
+               return false;
+       }
+       efuse_power_switch(hw, true, true);
+
+       for (offset = 0; offset < 16; offset++) {
+
+               word_en = 0x0F;
+               base = offset * 8;
+
+               for (i = 0; i < 8; i++) {
+                       if (first_pg == true) {
+
+                               word_en &= ~(BIT(i / 2));
+
+                               rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
+                                   rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
+                       } else {
+
+                               if (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
+                                   rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) {
+                                       word_en &= ~(BIT(i / 2));
+
+                                       rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
+                                           rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
+                               }
+                       }
+               }
+
+               if (word_en != 0x0F) {
+                       u8 tmpdata[8];
+                       memcpy((void *)tmpdata,
+                              (void *)(&rtlefuse->
+                                       efuse_map[EFUSE_MODIFY_MAP][base]), 8);
+                       RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD,
+                                     ("U-efuse\n"), tmpdata, 8);
+
+                       if (!efuse_pg_packet_write(hw, (u8) offset, word_en,
+                                                  tmpdata)) {
+                               RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
+                                        ("PG section(%#x) fail!!\n", offset));
+                               break;
+                       }
+               }
+
+       }
+
+       efuse_power_switch(hw, true, false);
+       efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
+
+       memcpy((void *)&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
+              (void *)&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
+              rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
+
+       RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, ("<---\n"));
+       return true;
+}
+
+void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+
+       if (rtlefuse->autoload_failflag == true) {
+               memset((void *)(&rtlefuse->efuse_map[EFUSE_INIT_MAP][0]), 128,
+                      0xFF);
+       } else
+               efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
+
+       memcpy((void *)&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
+              (void *)&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
+              rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
+
+}
+EXPORT_SYMBOL(rtl_efuse_shadow_map_update);
+
+void efuse_force_write_vendor_Id(struct ieee80211_hw *hw)
+{
+       u8 tmpdata[8] = { 0xFF, 0xFF, 0xEC, 0x10, 0xFF, 0xFF, 0xFF, 0xFF };
+
+       efuse_power_switch(hw, true, true);
+
+       efuse_pg_packet_write(hw, 1, 0xD, tmpdata);
+
+       efuse_power_switch(hw, true, false);
+
+}
+
+void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx)
+{
+}
+
+static void efuse_shadow_read_1byte(struct ieee80211_hw *hw,
+                                   u16 offset, u8 *value)
+{
+       struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+       *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
+}
+
+static void efuse_shadow_read_2byte(struct ieee80211_hw *hw,
+                                   u16 offset, u16 *value)
+{
+       struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+
+       *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
+       *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
+
+}
+
+static void efuse_shadow_read_4byte(struct ieee80211_hw *hw,
+                                   u16 offset, u32 *value)
+{
+       struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+
+       *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
+       *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
+       *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] << 16;
+       *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] << 24;
+}
+
+static void efuse_shadow_write_1byte(struct ieee80211_hw *hw,
+                                    u16 offset, u8 value)
+{
+       struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+
+       rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value;
+}
+
+static void efuse_shadow_write_2byte(struct ieee80211_hw *hw,
+                                    u16 offset, u16 value)
+{
+       struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+
+       rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value & 0x00FF;
+       rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] = value >> 8;
+
+}
+
+static void efuse_shadow_write_4byte(struct ieee80211_hw *hw,
+                                    u16 offset, u32 value)
+{
+       struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+
+       rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] =
+           (u8) (value & 0x000000FF);
+       rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] =
+           (u8) ((value >> 8) & 0x0000FF);
+       rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] =
+           (u8) ((value >> 16) & 0x00FF);
+       rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] =
+           (u8) ((value >> 24) & 0xFF);
+
+}
+
+static int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, u8 *data)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       u8 tmpidx = 0;
+       int bresult;
+
+       rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
+                      (u8) (addr & 0xff));
+       rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
+                      ((u8) ((addr >> 8) & 0x03)) |
+                      (rtl_read_byte(rtlpriv,
+                                     rtlpriv->cfg->maps[EFUSE_CTRL] + 2) &
+                       0xFC));
+
+       rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
+
+       while (!(0x80 & rtl_read_byte(rtlpriv,
+                                     rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
+              && (tmpidx < 100)) {
+               tmpidx++;
+       }
+
+       if (tmpidx < 100) {
+               *data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
+               bresult = true;
+       } else {
+               *data = 0xff;
+               bresult = false;
+       }
+       return bresult;
+}
+
+static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       u8 tmpidx = 0;
+       bool bresult;
+
+       RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
+                ("Addr = %x Data=%x\n", addr, data));
+
+       rtl_write_byte(rtlpriv,
+                      rtlpriv->cfg->maps[EFUSE_CTRL] + 1, (u8) (addr & 0xff));
+       rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
+                      (rtl_read_byte(rtlpriv,
+                        rtlpriv->cfg->maps[EFUSE_CTRL] +
+                        2) & 0xFC) | (u8) ((addr >> 8) & 0x03));
+
+       rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], data);
+       rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0xF2);
+
+       while ((0x80 & rtl_read_byte(rtlpriv,
+                                    rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
+              && (tmpidx < 100)) {
+               tmpidx++;
+       }
+
+       if (tmpidx < 100)
+               bresult = true;
+       else
+               bresult = false;
+
+       return bresult;
+}
+
+static void efuse_read_all_map(struct ieee80211_hw *hw, u8 * efuse)
+{
+       efuse_power_switch(hw, false, true);
+       read_efuse(hw, 0, 128, efuse);
+       efuse_power_switch(hw, false, false);
+}
+
+static void efuse_read_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
+                               u8 efuse_data, u8 offset, u8 *tmpdata,
+                               u8 *readstate)
+{
+       bool bdataempty = true;
+       u8 hoffset;
+       u8 tmpidx;
+       u8 hworden;
+       u8 word_cnts;
+
+       hoffset = (efuse_data >> 4) & 0x0F;
+       hworden = efuse_data & 0x0F;
+       word_cnts = efuse_calculate_word_cnts(hworden);
+
+       if (hoffset == offset) {
+               for (tmpidx = 0; tmpidx < word_cnts * 2; tmpidx++) {
+                       if (efuse_one_byte_read(hw, *efuse_addr + 1 + tmpidx,
+                           &efuse_data)) {
+                               tmpdata[tmpidx] = efuse_data;
+                               if (efuse_data != 0xff)
+                                       bdataempty = true;
+                       }
+               }
+
+               if (bdataempty == true)
+                       *readstate = PG_STATE_DATA;
+               else {
+                       *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
+                       *readstate = PG_STATE_HEADER;
+               }
+
+       } else {
+               *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
+               *readstate = PG_STATE_HEADER;
+       }
+}
+
+static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data)
+{
+       u8 readstate = PG_STATE_HEADER;
+
+       bool bcontinual = true;
+
+       u8 efuse_data, word_cnts = 0;
+       u16 efuse_addr = 0;
+       u8 hworden;
+       u8 tmpdata[8];
+
+       if (data == NULL)
+               return false;
+       if (offset > 15)
+               return false;
+
+       memset((void *)data, PGPKT_DATA_SIZE * sizeof(u8), 0xff);
+       memset((void *)tmpdata, PGPKT_DATA_SIZE * sizeof(u8), 0xff);
+
+       while (bcontinual && (efuse_addr < EFUSE_MAX_SIZE)) {
+               if (readstate & PG_STATE_HEADER) {
+                       if (efuse_one_byte_read(hw, efuse_addr, &efuse_data)
+                           && (efuse_data != 0xFF))
+                               efuse_read_data_case1(hw, &efuse_addr,
+                                                     efuse_data,
+                                                     offset, tmpdata,
+                                                     &readstate);
+                       else
+                               bcontinual = false;
+               } else if (readstate & PG_STATE_DATA) {
+                       efuse_word_enable_data_read(hworden, tmpdata, data);
+                       efuse_addr = efuse_addr + (word_cnts * 2) + 1;
+                       readstate = PG_STATE_HEADER;
+               }
+
+       }
+
+       if ((data[0] == 0xff) && (data[1] == 0xff) &&
+           (data[2] == 0xff) && (data[3] == 0xff) &&
+           (data[4] == 0xff) && (data[5] == 0xff) &&
+           (data[6] == 0xff) && (data[7] == 0xff))
+               return false;
+       else
+               return true;
+
+}
+
+static void efuse_write_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
+                       u8 efuse_data, u8 offset, int *bcontinual,
+                       u8 *write_state, struct pgpkt_struct *target_pkt,
+                       int *repeat_times, int *bresult, u8 word_en)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct pgpkt_struct tmp_pkt;
+       int bdataempty = true;
+       u8 originaldata[8 * sizeof(u8)];
+       u8 badworden = 0x0F;
+       u8 match_word_en, tmp_word_en;
+       u8 tmpindex;
+       u8 tmp_header = efuse_data;
+       u8 tmp_word_cnts;
+
+       tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
+       tmp_pkt.word_en = tmp_header & 0x0F;
+       tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
+
+       if (tmp_pkt.offset != target_pkt->offset) {
+               *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
+               *write_state = PG_STATE_HEADER;
+       } else {
+               for (tmpindex = 0; tmpindex < (tmp_word_cnts * 2); tmpindex++) {
+                       u16 address = *efuse_addr + 1 + tmpindex;
+                       if (efuse_one_byte_read(hw, address,
+                            &efuse_data) && (efuse_data != 0xFF))
+                               bdataempty = false;
+               }
+
+               if (bdataempty == false) {
+                       *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
+                       *write_state = PG_STATE_HEADER;
+               } else {
+                       match_word_en = 0x0F;
+                       if (!((target_pkt->word_en & BIT(0)) |
+                            (tmp_pkt.word_en & BIT(0))))
+                               match_word_en &= (~BIT(0));
+
+                       if (!((target_pkt->word_en & BIT(1)) |
+                            (tmp_pkt.word_en & BIT(1))))
+                               match_word_en &= (~BIT(1));
+
+                       if (!((target_pkt->word_en & BIT(2)) |
+                            (tmp_pkt.word_en & BIT(2))))
+                               match_word_en &= (~BIT(2));
+
+                       if (!((target_pkt->word_en & BIT(3)) |
+                            (tmp_pkt.word_en & BIT(3))))
+                               match_word_en &= (~BIT(3));
+
+                       if ((match_word_en & 0x0F) != 0x0F) {
+                               badworden = efuse_word_enable_data_write(
+                                                           hw, *efuse_addr + 1,
+                                                           tmp_pkt.word_en,
+                                                           target_pkt->data);
+
+                               if (0x0F != (badworden & 0x0F)) {
+                                       u8 reorg_offset = offset;
+                                       u8 reorg_worden = badworden;
+                                       efuse_pg_packet_write(hw, reorg_offset,
+                                                              reorg_worden,
+                                                              originaldata);
+                               }
+
+                               tmp_word_en = 0x0F;
+                               if ((target_pkt->word_en & BIT(0)) ^
+                                   (match_word_en & BIT(0)))
+                                       tmp_word_en &= (~BIT(0));
+
+                               if ((target_pkt->word_en & BIT(1)) ^
+                                   (match_word_en & BIT(1)))
+                                       tmp_word_en &= (~BIT(1));
+
+                               if ((target_pkt->word_en & BIT(2)) ^
+                                       (match_word_en & BIT(2)))
+                                       tmp_word_en &= (~BIT(2));
+
+                               if ((target_pkt->word_en & BIT(3)) ^
+                                   (match_word_en & BIT(3)))
+                                       tmp_word_en &= (~BIT(3));
+
+                               if ((tmp_word_en & 0x0F) != 0x0F) {
+                                       *efuse_addr = efuse_get_current_size(hw);
+                                       target_pkt->offset = offset;
+                                       target_pkt->word_en = tmp_word_en;
+                               } else
+                                       *bcontinual = false;
+                               *write_state = PG_STATE_HEADER;
+                               *repeat_times += 1;
+                               if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
+                                       *bcontinual = false;
+                                       *bresult = false;
+                               }
+                       } else {
+                               *efuse_addr += (2 * tmp_word_cnts) + 1;
+                               target_pkt->offset = offset;
+                               target_pkt->word_en = word_en;
+                               *write_state = PG_STATE_HEADER;
+                       }
+               }
+       }
+       RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, ("efuse PG_STATE_HEADER-1\n"));
+}
+
+static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
+                                  int *bcontinual, u8 *write_state,
+                                  struct pgpkt_struct target_pkt,
+                                  int *repeat_times, int *bresult)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct pgpkt_struct tmp_pkt;
+       u8 pg_header;
+       u8 tmp_header;
+       u8 originaldata[8 * sizeof(u8)];
+       u8 tmp_word_cnts;
+       u8 badworden = 0x0F;
+
+       pg_header = ((target_pkt.offset << 4) & 0xf0) | target_pkt.word_en;
+       efuse_one_byte_write(hw, *efuse_addr, pg_header);
+       efuse_one_byte_read(hw, *efuse_addr, &tmp_header);
+
+       if (tmp_header == pg_header)
+               *write_state = PG_STATE_DATA;
+       else if (tmp_header == 0xFF) {
+               *write_state = PG_STATE_HEADER;
+               *repeat_times += 1;
+               if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
+                       *bcontinual = false;
+                       *bresult = false;
+               }
+       } else {
+               tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
+               tmp_pkt.word_en = tmp_header & 0x0F;
+
+               tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
+
+               memset((void *)originaldata, 8 * sizeof(u8), 0xff);
+
+               if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) {
+                       badworden = efuse_word_enable_data_write(hw,
+                                   *efuse_addr + 1, tmp_pkt.word_en,
+                                   originaldata);
+
+                       if (0x0F != (badworden & 0x0F)) {
+                               u8 reorg_offset = tmp_pkt.offset;
+                               u8 reorg_worden = badworden;
+                               efuse_pg_packet_write(hw, reorg_offset,
+                                                     reorg_worden,
+                                                     originaldata);
+                               *efuse_addr = efuse_get_current_size(hw);
+                        } else
+                               *efuse_addr = *efuse_addr + (tmp_word_cnts * 2)
+                                             + 1;
+               } else
+                       *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
+
+               *write_state = PG_STATE_HEADER;
+               *repeat_times += 1;
+               if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
+                       *bcontinual = false;
+                       *bresult = false;
+               }
+
+               RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
+                       ("efuse PG_STATE_HEADER-2\n"));
+       }
+}
+
+static int efuse_pg_packet_write(struct ieee80211_hw *hw,
+                                u8 offset, u8 word_en, u8 *data)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       struct pgpkt_struct target_pkt;
+       u8 write_state = PG_STATE_HEADER;
+       int bcontinual = true, bdataempty = true, bresult = true;
+       u16 efuse_addr = 0;
+       u8 efuse_data;
+       u8 target_word_cnts = 0;
+       u8 badworden = 0x0F;
+       static int repeat_times;
+
+       if (efuse_get_current_size(hw) >=
+           (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES)) {
+               RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
+                       ("efuse_pg_packet_write error\n"));
+               return false;
+       }
+
+       target_pkt.offset = offset;
+       target_pkt.word_en = word_en;
+
+       memset((void *)target_pkt.data, 8 * sizeof(u8), 0xFF);
+
+       efuse_word_enable_data_read(word_en, data, target_pkt.data);
+       target_word_cnts = efuse_calculate_word_cnts(target_pkt.word_en);
+
+       RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, ("efuse Power ON\n"));
+
+       while (bcontinual && (efuse_addr <
+              (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES))) {
+
+               if (write_state == PG_STATE_HEADER) {
+                       bdataempty = true;
+                       badworden = 0x0F;
+                       RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
+                               ("efuse PG_STATE_HEADER\n"));
+
+                       if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
+                           (efuse_data != 0xFF))
+                               efuse_write_data_case1(hw, &efuse_addr,
+                                                      efuse_data, offset,
+                                                      &bcontinual,
+                                                      &write_state, &target_pkt,
+                                                      &repeat_times, &bresult,
+                                                      word_en);
+                       else
+                               efuse_write_data_case2(hw, &efuse_addr,
+                                                      &bcontinual,
+                                                      &write_state,
+                                                      target_pkt,
+                                                      &repeat_times,
+                                                      &bresult);
+
+               } else if (write_state == PG_STATE_DATA) {
+                       RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
+                               ("efuse PG_STATE_DATA\n"));
+                       badworden = 0x0f;
+                       badworden =
+                           efuse_word_enable_data_write(hw, efuse_addr + 1,
+                                                        target_pkt.word_en,
+                                                        target_pkt.data);
+
+                       if ((badworden & 0x0F) == 0x0F) {
+                               bcontinual = false;
+                       } else {
+                               efuse_addr =
+                                   efuse_addr + (2 * target_word_cnts) + 1;
+
+                               target_pkt.offset = offset;
+                               target_pkt.word_en = badworden;
+                               target_word_cnts =
+                                   efuse_calculate_word_cnts(target_pkt.
+                                                             word_en);
+                               write_state = PG_STATE_HEADER;
+                               repeat_times++;
+                               if (repeat_times > EFUSE_REPEAT_THRESHOLD_) {
+                                       bcontinual = false;
+                                       bresult = false;
+                               }
+                               RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
+                                       ("efuse PG_STATE_HEADER-3\n"));
+                       }
+               }
+       }
+
+       if (efuse_addr >= (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES)) {
+               RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
+                        ("efuse_addr(%#x) Out of size!!\n", efuse_addr));
+       }
+
+       return true;
+}
+
+static void efuse_word_enable_data_read(u8 word_en,
+                                       u8 *sourdata, u8 *targetdata)
+{
+       if (!(word_en & BIT(0))) {
+               targetdata[0] = sourdata[0];
+               targetdata[1] = sourdata[1];
+       }
+
+       if (!(word_en & BIT(1))) {
+               targetdata[2] = sourdata[2];
+               targetdata[3] = sourdata[3];
+       }
+
+       if (!(word_en & BIT(2))) {
+               targetdata[4] = sourdata[4];
+               targetdata[5] = sourdata[5];
+       }
+
+       if (!(word_en & BIT(3))) {
+               targetdata[6] = sourdata[6];
+               targetdata[7] = sourdata[7];
+       }
+}
+
+static u8 efuse_word_enable_data_write(struct ieee80211_hw *hw,
+                                      u16 efuse_addr, u8 word_en, u8 *data)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       u16 tmpaddr;
+       u16 start_addr = efuse_addr;
+       u8 badworden = 0x0F;
+       u8 tmpdata[8];
+
+       memset((void *)tmpdata, PGPKT_DATA_SIZE, 0xff);
+       RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
+                ("word_en = %x efuse_addr=%x\n", word_en, efuse_addr));
+
+       if (!(word_en & BIT(0))) {
+               tmpaddr = start_addr;
+               efuse_one_byte_write(hw, start_addr++, data[0]);
+               efuse_one_byte_write(hw, start_addr++, data[1]);
+
+               efuse_one_byte_read(hw, tmpaddr, &tmpdata[0]);
+               efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[1]);
+               if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1]))
+                       badworden &= (~BIT(0));
+       }
+
+       if (!(word_en & BIT(1))) {
+               tmpaddr = start_addr;
+               efuse_one_byte_write(hw, start_addr++, data[2]);
+               efuse_one_byte_write(hw, start_addr++, data[3]);
+
+               efuse_one_byte_read(hw, tmpaddr, &tmpdata[2]);
+               efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[3]);
+               if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3]))
+                       badworden &= (~BIT(1));
+       }
+
+       if (!(word_en & BIT(2))) {
+               tmpaddr = start_addr;
+               efuse_one_byte_write(hw, start_addr++, data[4]);
+               efuse_one_byte_write(hw, start_addr++, data[5]);
+
+               efuse_one_byte_read(hw, tmpaddr, &tmpdata[4]);
+               efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[5]);
+               if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5]))
+                       badworden &= (~BIT(2));
+       }
+
+       if (!(word_en & BIT(3))) {
+               tmpaddr = start_addr;
+               efuse_one_byte_write(hw, start_addr++, data[6]);
+               efuse_one_byte_write(hw, start_addr++, data[7]);
+
+               efuse_one_byte_read(hw, tmpaddr, &tmpdata[6]);
+               efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[7]);
+               if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7]))
+                       badworden &= (~BIT(3));
+       }
+
+       return badworden;
+}
+
+static void efuse_power_switch(struct ieee80211_hw *hw, u8 bwrite, u8 pwrstate)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       u8 tempval;
+       u16 tmpV16;
+
+       if (pwrstate == true) {
+               tmpV16 = rtl_read_word(rtlpriv,
+                                      rtlpriv->cfg->maps[SYS_ISO_CTRL]);
+               if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
+                       tmpV16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V];
+                       rtl_write_word(rtlpriv,
+                                      rtlpriv->cfg->maps[SYS_ISO_CTRL],
+                                      tmpV16);
+               }
+
+               tmpV16 = rtl_read_word(rtlpriv,
+                                      rtlpriv->cfg->maps[SYS_FUNC_EN]);
+               if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) {
+                       tmpV16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR];
+                       rtl_write_word(rtlpriv,
+                                      rtlpriv->cfg->maps[SYS_FUNC_EN], tmpV16);
+               }
+
+               tmpV16 = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_CLK]);
+               if ((!(tmpV16 & rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN])) ||
+                   (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_ANA8M]))) {
+                       tmpV16 |= (rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN] |
+                                  rtlpriv->cfg->maps[EFUSE_ANA8M]);
+                       rtl_write_word(rtlpriv,
+                                      rtlpriv->cfg->maps[SYS_CLK], tmpV16);
+               }
+       }
+
+       if (pwrstate == true) {
+               if (bwrite == true) {
+                       tempval = rtl_read_byte(rtlpriv,
+                                               rtlpriv->cfg->maps[EFUSE_TEST] +
+                                               3);
+                       tempval &= 0x0F;
+                       tempval |= (VOLTAGE_V25 << 4);
+                       rtl_write_byte(rtlpriv,
+                                      rtlpriv->cfg->maps[EFUSE_TEST] + 3,
+                                      (tempval | 0x80));
+               }
+
+       } else {
+               if (bwrite == true) {
+                       tempval = rtl_read_byte(rtlpriv,
+                                               rtlpriv->cfg->maps[EFUSE_TEST] +
+                                               3);
+                       rtl_write_byte(rtlpriv,
+                                      rtlpriv->cfg->maps[EFUSE_TEST] + 3,
+                                      (tempval & 0x7F));
+               }
+
+       }
+
+}
+
+static u16 efuse_get_current_size(struct ieee80211_hw *hw)
+{
+       int bcontinual = true;
+       u16 efuse_addr = 0;
+       u8 hoffset, hworden;
+       u8 efuse_data, word_cnts;
+
+       while (bcontinual && efuse_one_byte_read(hw, efuse_addr, &efuse_data)
+              && (efuse_addr < EFUSE_MAX_SIZE)) {
+               if (efuse_data != 0xFF) {
+                       hoffset = (efuse_data >> 4) & 0x0F;
+                       hworden = efuse_data & 0x0F;
+                       word_cnts = efuse_calculate_word_cnts(hworden);
+                       efuse_addr = efuse_addr + (word_cnts * 2) + 1;
+               } else {
+                       bcontinual = false;
+               }
+       }
+
+       return efuse_addr;
+}
+
+static u8 efuse_calculate_word_cnts(u8 word_en)
+{
+       u8 word_cnts = 0;
+       if (!(word_en & BIT(0)))
+               word_cnts++;
+       if (!(word_en & BIT(1)))
+               word_cnts++;
+       if (!(word_en & BIT(2)))
+               word_cnts++;
+       if (!(word_en & BIT(3)))
+               word_cnts++;
+       return word_cnts;
+}
+
+void efuse_reset_loader(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       u16 tmp_u2b;
+
+       tmp_u2b = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN]);
+       rtl_write_word(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN],
+                      (tmp_u2b & ~(BIT(12))));
+       udelay(10000);
+       rtl_write_word(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN],
+                      (tmp_u2b | BIT(12)));
+       udelay(10000);
+}
+
+bool efuse_program_map(struct ieee80211_hw *hw, char *p_filename, u8 tabletype)
+{
+       return true;
+}