text: /******************************************************************************
   *
   * 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 "pci.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;
  
  #define START_ADDRESS		0x1000
  #define REG_MCUFWDL		0x0080
  
  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 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;
  }
  
  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);
  		}
  	}
  }
  EXPORT_SYMBOL(efuse_power_switch);
  
  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;
  }
  
  int rtl_get_hwinfo(struct ieee80211_hw *hw, struct rtl_priv *rtlpriv,
  		   int max_size, u8 *hwinfo, int *params)
  {
  	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
  	struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
  	struct device *dev = &rtlpcipriv->dev.pdev->dev;
  	u16 eeprom_id;
  	u16 i, usvalue;
  
  	switch (rtlefuse->epromtype) {
  	case EEPROM_BOOT_EFUSE:
  		rtl_efuse_shadow_map_update(hw);
  		break;
  
  	case EEPROM_93C46:
  		pr_err("RTL8XXX did not boot from eeprom, check it !!\n");
  		return 1;
  
  	default:
  		dev_warn(dev, "no efuse data\n");
  		return 1;
  	}
  
  	memcpy(hwinfo, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0], max_size);
  
  	RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "MAP",
  		      hwinfo, max_size);
  
  	eeprom_id = *((u16 *)&hwinfo[0]);
  	if (eeprom_id != params[0]) {
  		RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
  			 "EEPROM ID(%#x) is invalid!!\n", eeprom_id);
  		rtlefuse->autoload_failflag = true;
  	} else {
  		RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "Autoload OK\n");
  		rtlefuse->autoload_failflag = false;
  	}
  
  	if (rtlefuse->autoload_failflag)
  		return 1;
  
  	rtlefuse->eeprom_vid = *(u16 *)&hwinfo[params[1]];
  	rtlefuse->eeprom_did = *(u16 *)&hwinfo[params[2]];
  	rtlefuse->eeprom_svid = *(u16 *)&hwinfo[params[3]];
  	rtlefuse->eeprom_smid = *(u16 *)&hwinfo[params[4]];
  	RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
  		 "EEPROMId = 0x%4x\n", eeprom_id);
  	RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
  		 "EEPROM VID = 0x%4x\n", rtlefuse->eeprom_vid);
  	RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
  		 "EEPROM DID = 0x%4x\n", rtlefuse->eeprom_did);
  	RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
  		 "EEPROM SVID = 0x%4x\n", rtlefuse->eeprom_svid);
  	RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
  		 "EEPROM SMID = 0x%4x\n", rtlefuse->eeprom_smid);
  
  	for (i = 0; i < 6; i += 2) {
  		usvalue = *(u16 *)&hwinfo[params[5] + i];
  		*((u16 *)(&rtlefuse->dev_addr[i])) = usvalue;
  	}
  	RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "%pM\n", rtlefuse->dev_addr);
  
  	rtlefuse->eeprom_channelplan = *&hwinfo[params[6]];
  	rtlefuse->eeprom_version = *(u16 *)&hwinfo[params[7]];
  	rtlefuse->txpwr_fromeprom = true;
  	rtlefuse->eeprom_oemid = *&hwinfo[params[8]];
  
  	RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
  		 "EEPROM Customer ID: 0x%2x\n", rtlefuse->eeprom_oemid);
  
  	/* set channel plan to world wide 13 */
  	rtlefuse->channel_plan = params[9];
  
  	return 0;
  }
  EXPORT_SYMBOL_GPL(rtl_get_hwinfo);
  
  void rtl_fw_block_write(struct ieee80211_hw *hw, const u8 *buffer, u32 size)
  {
  	struct rtl_priv *rtlpriv = rtl_priv(hw);
  	u8 *pu4byteptr = (u8 *)buffer;
  	u32 i;
  
  	for (i = 0; i < size; i++)
  		rtl_write_byte(rtlpriv, (START_ADDRESS + i), *(pu4byteptr + i));
  }
  EXPORT_SYMBOL_GPL(rtl_fw_block_write);
  
  void rtl_fw_page_write(struct ieee80211_hw *hw, u32 page, const u8 *buffer,
  		       u32 size)
  {
  	struct rtl_priv *rtlpriv = rtl_priv(hw);
  	u8 value8;
  	u8 u8page = (u8)(page & 0x07);
  
  	value8 = (rtl_read_byte(rtlpriv, REG_MCUFWDL + 2) & 0xF8) | u8page;
  
  	rtl_write_byte(rtlpriv, (REG_MCUFWDL + 2), value8);
  	rtl_fw_block_write(hw, buffer, size);
  }
  EXPORT_SYMBOL_GPL(rtl_fw_page_write);
  
  void rtl_fill_dummy(u8 *pfwbuf, u32 *pfwlen)
  {
  	u32 fwlen = *pfwlen;
  	u8 remain = (u8)(fwlen % 4);
  
  	remain = (remain == 0) ? 0 : (4 - remain);
  
  	while (remain > 0) {
  		pfwbuf[fwlen] = 0;
  		fwlen++;
  		remain--;
  	}
  
  	*pfwlen = fwlen;
  }
  EXPORT_SYMBOL_GPL(rtl_fill_dummy);
  