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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.c42
1 files changed, 32 insertions, 10 deletions
diff --git a/drivers/net/wireless/rtlwifi/efuse.c b/drivers/net/wireless/rtlwifi/efuse.c
index 8e2f9afb125a..41a03b12463b 100644
--- a/drivers/net/wireless/rtlwifi/efuse.c
+++ b/drivers/net/wireless/rtlwifi/efuse.c
@@ -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},
@@ -240,6 +238,7 @@ 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 =
@@ -285,10 +284,31 @@ void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
}
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);
@@ -391,7 +411,8 @@ 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,
@@ -932,8 +953,8 @@ 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");
return false;
@@ -949,8 +970,8 @@ static int efuse_pg_packet_write(struct ieee80211_hw *hw,
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;
@@ -1003,7 +1024,8 @@ static int efuse_pg_packet_write(struct ieee80211_hw *hw,
}
}
- 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);
}