Initial import

1 files changed, 1245 insertions, 0 deletions

diff --git a/drivers/net/wireless/rtlwifi/efuse.c b/drivers/net/wireless/rtlwifi/efuse.c
new file mode 100644
index 000000000..0b4082c92
--- /dev/null
+++ b/drivers/net/wireless/rtlwifi/efuse.c
@@ -0,0 +1,1245 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2012  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.
+ *
+ * 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"
+#include <linux/export.h>
+
+static const u8 MAX_PGPKT_SIZE = 9;
+static const u8 PGPKT_DATA_SIZE = 8;
+static const int EFUSE_MAX_SIZE = 512;
+
+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 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_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 enable_efuse_data_write(struct ieee80211_hw *hw,
+				  u16 efuse_addr, u8 word_en, u8 *data);
+static void efuse_power_switch(struct ieee80211_hw *hw, u8 write,
+			       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;
+	const u32 efuse_len =
+		rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
+
+	if (address < efuse_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;
+	const u32 efuse_len =
+		rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
+
+	RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "Addr=%x Data =%x\n",
+		 address, value);
+
+	if (address < efuse_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;
+			}
+		}
+	}
+
+}
+
+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);
+}
+EXPORT_SYMBOL_GPL(read_efuse_byte);
+
+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;
+	u8 rtemp8[1];
+	u16 efuse_addr = 0;
+	u8 offset, wren;
+	u8 u1temp = 0;
+	u16 i;
+	u16 j;
+	const u16 efuse_max_section =
+		rtlpriv->cfg->maps[EFUSE_MAX_SECTION_MAP];
+	const u32 efuse_len =
+		rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
+	u16 **efuse_word;
+	u16 efuse_utilized = 0;
+	u8 efuse_usage;
+
+	if ((_offset + _size_byte) > rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]) {
+		RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
+			 "read_efuse(): Invalid offset(%#x) with read bytes(%#x)!!\n",
+			 _offset, _size_byte);
+		return;
+	}
+
+	/* allocate memory for efuse_tbl and efuse_word */
+	efuse_tbl = kzalloc(rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE] *
+			    sizeof(u8), GFP_ATOMIC);
+	if (!efuse_tbl)
+		return;
+	efuse_word = kzalloc(EFUSE_MAX_WORD_UNIT * sizeof(u16 *), GFP_ATOMIC);
+	if (!efuse_word)
+		goto out;
+	for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
+		efuse_word[i] = kzalloc(efuse_max_section * sizeof(u16),
+					GFP_ATOMIC);
+		if (!efuse_word[i])
+			goto done;
+	}
+
+	for (i = 0; i < efuse_max_section; i++)
+		for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++)
+			efuse_word[j][i] = 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_len)) {
+		/*  Check PG header for section num.  */
+		if ((*rtemp8 & 0x1F) == 0x0F) {/* extended header */
+			u1temp = ((*rtemp8 & 0xE0) >> 5);
+			read_efuse_byte(hw, efuse_addr, rtemp8);
+
+			if ((*rtemp8 & 0x0F) == 0x0F) {
+				efuse_addr++;
+				read_efuse_byte(hw, efuse_addr, rtemp8);
+
+				if (*rtemp8 != 0xFF &&
+				    (efuse_addr < efuse_len)) {
+					efuse_addr++;
+				}
+				continue;
+			} else {
+				offset = ((*rtemp8 & 0xF0) >> 1) | u1temp;
+				wren = (*rtemp8 & 0x0F);
+				efuse_addr++;
+			}
+		} else {
+			offset = ((*rtemp8 >> 4) & 0x0f);
+			wren = (*rtemp8 & 0x0f);
+		}
+
+		if (offset < efuse_max_section) {
+			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[i][offset] =
+							 (*rtemp8 & 0xff);
+
+					if (efuse_addr >= efuse_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[i][offset] |=
+					    (((u16)*rtemp8 << 8) & 0xff00);
+
+					if (efuse_addr >= efuse_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 < efuse_len)) {
+			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[j][i] & 0xff);
+			efuse_tbl[(i * 8) + ((j * 2) + 1)] =
+			    ((efuse_word[j][i] >> 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_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,
+				      &efuse_usage);
+done:
+	for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++)
+		kfree(efuse_word[i]);
+	kfree(efuse_word);
+out:
+	kfree(efuse_tbl);
+}
+
+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 wordchanged, result = true;
+
+	for (section_idx = 0; section_idx < 16; section_idx++) {
+		Base = section_idx * 8;
+		wordchanged = 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++;
+				wordchanged = true;
+			}
+		}
+
+		if (wordchanged)
+			hdr_num++;
+	}
+
+	totalbytes = hdr_num + words_need * 2;
+	efuse_used = rtlefuse->efuse_usedbytes;
+
+	if ((totalbytes + efuse_used) >=
+	    (EFUSE_MAX_SIZE - rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))
+		result = 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 result;
+}
+
+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, value);
+
+}
+EXPORT_SYMBOL(efuse_shadow_read);
+
+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, 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(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
+		       &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) {
+				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(tmpdata,
+			       &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(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
+	       &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)
+		memset((&rtlefuse->efuse_map[EFUSE_INIT_MAP][0]),
+		       0xFF, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
+	else
+		efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
+
+	memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
+			&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);
+
+}
+
+int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, u8 *data)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+	u8 tmpidx = 0;
+	int result;
+
+	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]);
+		result = true;
+	} else {
+		*data = 0xff;
+		result = false;
+	}
+	return result;
+}
+EXPORT_SYMBOL(efuse_one_byte_read);
+
+static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+	u8 tmpidx = 0;
+
+	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)
+		return true;
+	return false;
+}
+
+static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+	efuse_power_switch(hw, false, true);
+	read_efuse(hw, 0, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE], 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 dataempty = 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)
+					dataempty = false;
+			}
+		}
+
+		if (!dataempty) {
+			*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 continual = true;
+
+	u8 efuse_data, word_cnts = 0;
+	u16 efuse_addr = 0;
+	u8 tmpdata[8];
+
+	if (data == NULL)
+		return false;
+	if (offset > 15)
+		return false;
+
+	memset(data, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
+	memset(tmpdata, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
+
+	while (continual && (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
+				continual = false;
+		} else if (readstate & PG_STATE_DATA) {
+			efuse_word_enable_data_read(0, 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 *continual, u8 *write_state,
+				   struct pgpkt_struct *target_pkt,
+				   int *repeat_times, int *result, u8 word_en)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+	struct pgpkt_struct tmp_pkt;
+	int dataempty = 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++) {
+			if (efuse_one_byte_read(hw,
+						(*efuse_addr + 1 + tmpindex),
+						&efuse_data) &&
+			    (efuse_data != 0xFF))
+				dataempty = false;
+		}
+
+		if (!dataempty) {
+			*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 =
+				  enable_efuse_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 {
+					*continual = false;
+				}
+				*write_state = PG_STATE_HEADER;
+				*repeat_times += 1;
+				if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
+					*continual = false;
+					*result = 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 *continual, u8 *write_state,
+				   struct pgpkt_struct target_pkt,
+				   int *repeat_times, int *result)
+{
+	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_) {
+			*continual = false;
+			*result = 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(originaldata, 0xff,  8 * sizeof(u8));
+
+		if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) {
+			badworden = enable_efuse_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_) {
+			*continual = false;
+			*result = 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 continual = true, dataempty = true, result = 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 -
+		rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
+		RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
+			"efuse_pg_packet_write error\n");
+		return false;
+	}
+
+	target_pkt.offset = offset;
+	target_pkt.word_en = word_en;
+
+	memset(target_pkt.data, 0xFF,  8 * sizeof(u8));
+
+	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 (continual && (efuse_addr < (EFUSE_MAX_SIZE -
+		rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))) {
+
+		if (write_state == PG_STATE_HEADER) {
+			dataempty = 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,
+						       &continual,
+						       &write_state,
+						       &target_pkt,
+						       &repeat_times, &result,
+						       word_en);
+			else
+				efuse_write_data_case2(hw, &efuse_addr,
+						       &continual,
+						       &write_state,
+						       target_pkt,
+						       &repeat_times,
+						       &result);
+
+		} else if (write_state == PG_STATE_DATA) {
+			RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
+				"efuse PG_STATE_DATA\n");
+			badworden = 0x0f;
+			badworden =
+			    enable_efuse_data_write(hw, efuse_addr + 1,
+						    target_pkt.word_en,
+						    target_pkt.data);
+
+			if ((badworden & 0x0F) == 0x0F) {
+				continual = 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_) {
+					continual = false;
+					result = false;
+				}
+				RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
+					"efuse PG_STATE_HEADER-3\n");
+			}
+		}
+	}
+
+	if (efuse_addr >= (EFUSE_MAX_SIZE -
+		rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
+		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 enable_efuse_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(tmpdata, 0xff, PGPKT_DATA_SIZE);
+	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 write, u8 pwrstate)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+	u8 tempval;
+	u16 tmpV16;
+
+	if (pwrstate && (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE)) {
+
+		if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192CE &&
+		    rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE) {
+			rtl_write_byte(rtlpriv,
+				       rtlpriv->cfg->maps[EFUSE_ACCESS], 0x69);
+		} else {
+			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) {
+		if (write) {
+			tempval = rtl_read_byte(rtlpriv,
+						rtlpriv->cfg->maps[EFUSE_TEST] +
+						3);
+
+			if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
+				tempval &= ~(BIT(3) | BIT(4) | BIT(5) | BIT(6));
+				tempval |= (VOLTAGE_V25 << 3);
+			} else if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE) {
+				tempval &= 0x0F;
+				tempval |= (VOLTAGE_V25 << 4);
+			}
+
+			rtl_write_byte(rtlpriv,
+				       rtlpriv->cfg->maps[EFUSE_TEST] + 3,
+				       (tempval | 0x80));
+		}
+
+		if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
+			rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
+				       0x03);
+		}
+	} else {
+		if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192CE &&
+		    rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE)
+			rtl_write_byte(rtlpriv,
+				       rtlpriv->cfg->maps[EFUSE_ACCESS], 0);
+
+		if (write) {
+			tempval = rtl_read_byte(rtlpriv,
+						rtlpriv->cfg->maps[EFUSE_TEST] +
+						3);
+			rtl_write_byte(rtlpriv,
+				       rtlpriv->cfg->maps[EFUSE_TEST] + 3,
+				       (tempval & 0x7F));
+		}
+
+		if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
+			rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
+				       0x02);
+		}
+	}
+}
+
+static u16 efuse_get_current_size(struct ieee80211_hw *hw)
+{
+	int continual = true;
+	u16 efuse_addr = 0;
+	u8 hoffset, hworden;
+	u8 efuse_data, word_cnts;
+
+	while (continual && 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 {
+			continual = 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;
+}
+