+++ /dev/null
-/******************************************************************************
- *
- * 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;
-}
-
Code Review / kvmfornfv.git / blobdiff