[PATCH] mt76: mt7915: read all eeprom fields from fw in efuse mode
Shayne Chen
shayne.chen at mediatek.com
Sat May 29 04:11:50 PDT 2021
If efuse mode is used, read all values from fw during eeprom init,
which makes it more convinient to check if rf values in efuse are
properly burned.
Signed-off-by: Shayne Chen <shayne.chen at mediatek.com>
---
.../wireless/mediatek/mt76/mt7915/eeprom.c | 44 +++++++++----------
.../net/wireless/mediatek/mt76/mt7915/mcu.c | 5 ++-
.../wireless/mediatek/mt76/mt7915/mt7915.h | 1 +
3 files changed, 24 insertions(+), 26 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
index 8ededf2..ee3d644 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
@@ -4,22 +4,12 @@
#include "mt7915.h"
#include "eeprom.h"
-static u32 mt7915_eeprom_read(struct mt7915_dev *dev, u32 offset)
-{
- u8 *data = dev->mt76.eeprom.data;
-
- if (data[offset] == 0xff && !dev->flash_mode)
- mt7915_mcu_get_eeprom(dev, offset);
-
- return data[offset];
-}
-
static int mt7915_eeprom_load_precal(struct mt7915_dev *dev)
{
struct mt76_dev *mdev = &dev->mt76;
- u32 val;
+ u8 *eeprom = mdev->eeprom.data;
+ u32 val = eeprom[MT_EE_DO_PRE_CAL];
- val = mt7915_eeprom_read(dev, MT_EE_DO_PRE_CAL);
if (val != (MT_EE_WIFI_CAL_DPD | MT_EE_WIFI_CAL_GROUP))
return 0;
@@ -43,7 +33,13 @@ static int mt7915_eeprom_load(struct mt7915_dev *dev)
dev->flash_mode = true;
ret = mt7915_eeprom_load_precal(dev);
} else {
- memset(dev->mt76.eeprom.data, -1, MT7915_EEPROM_SIZE);
+ u32 block_num, i;
+
+ block_num = DIV_ROUND_UP(MT7915_EEPROM_SIZE,
+ MT7915_EEPROM_BLOCK_SIZE);
+ for (i = 0; i < block_num; i++)
+ mt7915_mcu_get_eeprom(dev,
+ i * MT7915_EEPROM_BLOCK_SIZE);
}
return ret;
@@ -52,10 +48,7 @@ static int mt7915_eeprom_load(struct mt7915_dev *dev)
static int mt7915_check_eeprom(struct mt7915_dev *dev)
{
u8 *eeprom = dev->mt76.eeprom.data;
- u16 val;
-
- mt7915_eeprom_read(dev, MT_EE_CHIP_ID);
- val = get_unaligned_le16(eeprom);
+ u16 val = get_unaligned_le16(eeprom);
switch (val) {
case 0x7915:
@@ -69,9 +62,10 @@ void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy)
{
struct mt7915_dev *dev = phy->dev;
bool ext_phy = phy != &dev->phy;
+ u8 *eeprom = dev->mt76.eeprom.data;
u32 val;
- val = mt7915_eeprom_read(dev, MT_EE_WIFI_CONF + ext_phy);
+ val = eeprom[MT_EE_WIFI_CONF + ext_phy];
val = FIELD_GET(MT_EE_WIFI_CONF0_BAND_SEL, val);
if (val == MT_EE_BAND_SEL_DEFAULT && dev->dbdc_support)
val = ext_phy ? MT_EE_BAND_SEL_5GHZ : MT_EE_BAND_SEL_2GHZ;
@@ -143,6 +137,7 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
struct ieee80211_channel *chan,
u8 chain_idx)
{
+ u8 *eeprom = dev->mt76.eeprom.data;
int index, target_power;
bool tssi_on;
@@ -153,18 +148,18 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
if (chan->band == NL80211_BAND_2GHZ) {
index = MT_EE_TX0_POWER_2G + chain_idx * 3;
- target_power = mt7915_eeprom_read(dev, index);
+ target_power = eeprom[index];
if (!tssi_on)
- target_power += mt7915_eeprom_read(dev, index + 1);
+ target_power += eeprom[index + 1];
} else {
int group = mt7915_get_channel_group(chan->hw_value);
index = MT_EE_TX0_POWER_5G + chain_idx * 12;
- target_power = mt7915_eeprom_read(dev, index + group);
+ target_power = eeprom[index + group];
if (!tssi_on)
- target_power += mt7915_eeprom_read(dev, index + 8);
+ target_power += eeprom[index + 8];
}
return target_power;
@@ -172,13 +167,14 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
s8 mt7915_eeprom_get_power_delta(struct mt7915_dev *dev, int band)
{
+ u8 *eeprom = dev->mt76.eeprom.data;
u32 val;
s8 delta;
if (band == NL80211_BAND_2GHZ)
- val = mt7915_eeprom_read(dev, MT_EE_RATE_DELTA_2G);
+ val = eeprom[MT_EE_RATE_DELTA_2G];
else
- val = mt7915_eeprom_read(dev, MT_EE_RATE_DELTA_5G);
+ val = eeprom[MT_EE_RATE_DELTA_5G];
if (!(val & MT_EE_RATE_DELTA_EN))
return 0;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index dcf2d4d..e716feb 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -3316,7 +3316,8 @@ int mt7915_mcu_set_eeprom(struct mt7915_dev *dev)
int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset)
{
struct mt7915_mcu_eeprom_info req = {
- .addr = cpu_to_le32(round_down(offset, 16)),
+ .addr = cpu_to_le32(round_down(offset,
+ MT7915_EEPROM_BLOCK_SIZE)),
};
struct mt7915_mcu_eeprom_info *res;
struct sk_buff *skb;
@@ -3330,7 +3331,7 @@ int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset)
res = (struct mt7915_mcu_eeprom_info *)skb->data;
buf = dev->mt76.eeprom.data + le32_to_cpu(res->addr);
- memcpy(buf, res->data, 16);
+ memcpy(buf, res->data, MT7915_EEPROM_BLOCK_SIZE);
dev_kfree_skb(skb);
return 0;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
index c4bf8ed..4a79a10 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -31,6 +31,7 @@
#define MT7915_ROM_PATCH "mediatek/mt7915_rom_patch.bin"
#define MT7915_EEPROM_SIZE 3584
+#define MT7915_EEPROM_BLOCK_SIZE 16
#define MT7915_TOKEN_SIZE 8192
#define MT7915_CFEND_RATE_DEFAULT 0x49 /* OFDM 24M */
--
2.18.0
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