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path: root/drivers/net/wireless/rtlwifi/efuse.c
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Diffstat (limited to 'drivers/net/wireless/rtlwifi/efuse.c')
-rw-r--r--drivers/net/wireless/rtlwifi/efuse.c146
1 files changed, 87 insertions, 59 deletions
diff --git a/drivers/net/wireless/rtlwifi/efuse.c b/drivers/net/wireless/rtlwifi/efuse.c
index ed1058b7158..2ffc7298f68 100644
--- a/drivers/net/wireless/rtlwifi/efuse.c
+++ b/drivers/net/wireless/rtlwifi/efuse.c
@@ -1,6 +1,6 @@
/******************************************************************************
*
- * Copyright(c) 2009-2010 Realtek Corporation.
+ * 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
@@ -35,8 +35,6 @@ static const u8 MAX_PGPKT_SIZE = 9;
static const u8 PGPKT_DATA_SIZE = 8;
static const int EFUSE_MAX_SIZE = 512;
-static const u8 EFUSE_OOB_PROTECT_BYTES = 15;
-
static const struct efuse_map RTL8712_SDIO_EFUSE_TABLE[] = {
{0, 0, 0, 2},
{0, 1, 0, 2},
@@ -162,8 +160,8 @@ void efuse_write_1byte(struct ieee80211_hw *hw, u16 address, u8 value)
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));
+ 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);
@@ -231,6 +229,7 @@ void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset, u8 *pbuf)
*pbuf = (u8) (value32 & 0xff);
}
+EXPORT_SYMBOL_GPL(read_efuse_byte);
void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
{
@@ -240,6 +239,7 @@ void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
u8 rtemp8[1];
u16 efuse_addr = 0;
u8 offset, wren;
+ u8 u1temp = 0;
u16 i;
u16 j;
const u16 efuse_max_section =
@@ -252,8 +252,8 @@ void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
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));
+ "read_efuse(): Invalid offset(%#x) with read bytes(%#x)!!\n",
+ _offset, _size_byte);
return;
}
@@ -262,9 +262,9 @@ void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
sizeof(u8), GFP_ATOMIC);
if (!efuse_tbl)
return;
- efuse_word = kmalloc(EFUSE_MAX_WORD_UNIT * sizeof(u16 *), GFP_ATOMIC);
+ efuse_word = kzalloc(EFUSE_MAX_WORD_UNIT * sizeof(u16 *), GFP_ATOMIC);
if (!efuse_word)
- goto done;
+ goto out;
for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
efuse_word[i] = kmalloc(efuse_max_section * sizeof(u16),
GFP_ATOMIC);
@@ -280,23 +280,44 @@ void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
if (*rtemp8 != 0xFF) {
efuse_utilized++;
RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
- ("Addr=%d\n", efuse_addr));
+ "Addr=%d\n", efuse_addr);
efuse_addr++;
}
while ((*rtemp8 != 0xFF) && (efuse_addr < efuse_len)) {
- offset = ((*rtemp8 >> 4) & 0x0f);
+ /* Check PG header for section num. */
+ if ((*rtemp8 & 0x1F) == 0x0F) {/* extended header */
+ u1temp = ((*rtemp8 & 0xE0) >> 5);
+ read_efuse_byte(hw, efuse_addr, rtemp8);
- if (offset < efuse_max_section) {
+ 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));
+ "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));
+ EFUSE_READ_ALL,
+ "Addr=%d\n", efuse_addr);
read_efuse_byte(hw, efuse_addr, rtemp8);
efuse_addr++;
@@ -308,8 +329,8 @@ void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
break;
RTPRINT(rtlpriv, FEEPROM,
- EFUSE_READ_ALL, ("Addr=%d\n",
- efuse_addr));
+ EFUSE_READ_ALL,
+ "Addr=%d\n", efuse_addr);
read_efuse_byte(hw, efuse_addr, rtemp8);
efuse_addr++;
@@ -326,7 +347,7 @@ void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
}
RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
- ("Addr=%d\n", efuse_addr));
+ "Addr=%d\n", efuse_addr);
read_efuse_byte(hw, efuse_addr, rtemp8);
if (*rtemp8 != 0xFF && (efuse_addr < efuse_len)) {
efuse_utilized++;
@@ -352,11 +373,12 @@ void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_BYTES,
(u8 *)&efuse_utilized);
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_USAGE,
- (u8 *)&efuse_usage);
+ &efuse_usage);
done:
for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++)
kfree(efuse_word[i]);
kfree(efuse_word);
+out:
kfree(efuse_tbl);
}
@@ -391,13 +413,13 @@ bool efuse_shadow_update_chk(struct ieee80211_hw *hw)
efuse_used = rtlefuse->efuse_usedbytes;
if ((totalbytes + efuse_used) >=
- (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES))
+ (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));
+ "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;
}
@@ -410,7 +432,7 @@ void efuse_shadow_read(struct ieee80211_hw *hw, u8 type,
else if (type == 2)
efuse_shadow_read_2byte(hw, offset, (u16 *) value);
else if (type == 4)
- efuse_shadow_read_4byte(hw, offset, (u32 *) value);
+ efuse_shadow_read_4byte(hw, offset, value);
}
@@ -434,7 +456,7 @@ bool efuse_shadow_update(struct ieee80211_hw *hw)
u8 word_en = 0x0F;
u8 first_pg = false;
- RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, ("--->\n"));
+ 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]);
@@ -443,7 +465,7 @@ bool efuse_shadow_update(struct ieee80211_hw *hw)
rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
- ("<---efuse out of capacity!!\n"));
+ "<---efuse out of capacity!!\n");
return false;
}
efuse_power_switch(hw, true, true);
@@ -478,12 +500,12 @@ bool efuse_shadow_update(struct ieee80211_hw *hw)
&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base],
8);
RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD,
- ("U-efuse\n"), tmpdata, 8);
+ "U-efuse", 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));
+ "PG section(%#x) fail!!\n", offset);
break;
}
}
@@ -497,7 +519,7 @@ bool efuse_shadow_update(struct ieee80211_hw *hw)
&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
- RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, ("<---\n"));
+ RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "<---\n");
return true;
}
@@ -634,8 +656,8 @@ 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));
+ 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));
@@ -778,7 +800,7 @@ static void efuse_write_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
dataempty = false;
}
- if (dataempty == false) {
+ if (!dataempty) {
*efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
*write_state = PG_STATE_HEADER;
} else {
@@ -851,7 +873,7 @@ static void efuse_write_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
}
}
}
- RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, ("efuse PG_STATE_HEADER-1\n"));
+ RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, "efuse PG_STATE_HEADER-1\n");
}
static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
@@ -916,7 +938,7 @@ static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
}
RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
- ("efuse PG_STATE_HEADER-2\n"));
+ "efuse PG_STATE_HEADER-2\n");
}
}
@@ -933,10 +955,10 @@ static int efuse_pg_packet_write(struct ieee80211_hw *hw,
u8 badworden = 0x0F;
static int repeat_times;
- if (efuse_get_current_size(hw) >=
- (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES)) {
+ 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"));
+ "efuse_pg_packet_write error\n");
return false;
}
@@ -948,15 +970,15 @@ static int efuse_pg_packet_write(struct ieee80211_hw *hw,
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"));
+ RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, "efuse Power ON\n");
- while (continual && (efuse_addr <
- (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES))) {
+ while (continual && (efuse_addr < (EFUSE_MAX_SIZE -
+ rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))) {
if (write_state == PG_STATE_HEADER) {
badworden = 0x0F;
RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
- ("efuse PG_STATE_HEADER\n"));
+ "efuse PG_STATE_HEADER\n");
if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
(efuse_data != 0xFF))
@@ -976,7 +998,7 @@ static int efuse_pg_packet_write(struct ieee80211_hw *hw,
} else if (write_state == PG_STATE_DATA) {
RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
- ("efuse PG_STATE_DATA\n"));
+ "efuse PG_STATE_DATA\n");
badworden =
efuse_word_enable_data_write(hw, efuse_addr + 1,
target_pkt.word_en,
@@ -999,14 +1021,15 @@ static int efuse_pg_packet_write(struct ieee80211_hw *hw,
result = false;
}
RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
- ("efuse PG_STATE_HEADER-3\n"));
+ "efuse PG_STATE_HEADER-3\n");
}
}
}
- if (efuse_addr >= (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES)) {
+ 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));
+ "efuse_addr(%#x) Out of size!!\n", efuse_addr);
}
return true;
@@ -1046,8 +1069,8 @@ static u8 efuse_word_enable_data_write(struct ieee80211_hw *hw,
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));
+ 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;
@@ -1103,8 +1126,11 @@ static void efuse_power_switch(struct ieee80211_hw *hw, u8 write, u8 pwrstate)
u8 tempval;
u16 tmpV16;
- if (pwrstate && (rtlhal->hw_type !=
- HARDWARE_TYPE_RTL8192SE)) {
+ if (pwrstate && (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE)) {
+ if (rtlhal->hw_type == HARDWARE_TYPE_RTL8188EE)
+ rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_ACCESS],
+ 0x69);
+
tmpV16 = rtl_read_word(rtlpriv,
rtlpriv->cfg->maps[SYS_ISO_CTRL]);
if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
@@ -1154,6 +1180,10 @@ static void efuse_power_switch(struct ieee80211_hw *hw, u8 write, u8 pwrstate)
}
} else {
+ if (rtlhal->hw_type == HARDWARE_TYPE_RTL8188EE)
+ rtl_write_byte(rtlpriv,
+ rtlpriv->cfg->maps[EFUSE_ACCESS], 0);
+
if (write) {
tempval = rtl_read_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_TEST] +
@@ -1174,20 +1204,18 @@ static void efuse_power_switch(struct ieee80211_hw *hw, u8 write, u8 pwrstate)
static u16 efuse_get_current_size(struct ieee80211_hw *hw)
{
- int continual = true;
u16 efuse_addr = 0;
u8 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) {
- hworden = efuse_data & 0x0F;
- word_cnts = efuse_calculate_word_cnts(hworden);
- efuse_addr = efuse_addr + (word_cnts * 2) + 1;
- } else {
- continual = false;
- }
+ while (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
+ efuse_addr < EFUSE_MAX_SIZE) {
+ if (efuse_data == 0xFF)
+ break;
+
+ hworden = efuse_data & 0x0F;
+ word_cnts = efuse_calculate_word_cnts(hworden);
+ efuse_addr = efuse_addr + (word_cnts * 2) + 1;
}
return efuse_addr;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 12:07:00 +0000