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mt76: mt7915: fix eeprom parsing for DBDC

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Annotate WIFI_CONF eeprom mask values with the byte number
Fix parsing per-band number of chains

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2021-01-14 12:25:56 +01:00
parent e6fe82acb1
commit 25d7429bdc
2 changed files with 23 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files
mt7915/eeprom.c
+13 -13
View File
@@ -53,7 +53,7 @@ void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy)
u32 val;
val = mt7915_eeprom_read(dev, MT_EE_WIFI_CONF + ext_phy);
val = FIELD_GET(MT_EE_WIFI_CONF_BAND_SEL, val);
val = FIELD_GET(MT_EE_WIFI_CONF0_BAND_SEL, val);
switch (val) {
case MT_EE_5GHZ:
phy->mt76->cap.has_5ghz = true;
@@ -70,25 +70,25 @@ void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy)
static void mt7915_eeprom_parse_hw_cap(struct mt7915_dev *dev)
{
u8 nss, tx_mask[2] = {}, *eeprom = dev->mt76.eeprom.data;
u8 nss, *eeprom = dev->mt76.eeprom.data;
mt7915_eeprom_parse_band_config(&dev->phy);
/* read tx mask from eeprom */
tx_mask[0] = FIELD_GET(MT_EE_WIFI_CONF_TX_MASK,
eeprom[MT_EE_WIFI_CONF]);
if (dev->dbdc_support)
tx_mask[1] = FIELD_GET(MT_EE_WIFI_CONF_TX_MASK,
eeprom[MT_EE_WIFI_CONF + 1]);
nss = tx_mask[0] + tx_mask[1];
if (!nss || nss > 4) {
tx_mask[0] = 4;
nss = FIELD_GET(MT_EE_WIFI_CONF0_TX_PATH, eeprom[MT_EE_WIFI_CONF]);
if (!nss || nss > 4)
nss = 4;
}
dev->chainmask = BIT(nss) - 1;
dev->mphy.antenna_mask = BIT(tx_mask[0]) - 1;
if (dev->dbdc_support) {
nss = FIELD_GET(MT_EE_WIFI_CONF3_TX_PATH_B0,
eeprom[MT_EE_WIFI_CONF + 3]);
if (!nss || nss > 2)
nss = 2;
}
dev->mphy.antenna_mask = BIT(nss) - 1;
dev->mphy.chainmask = dev->mphy.antenna_mask;
}
mt7915/eeprom.h
+10 -7
View File
@@ -27,11 +27,14 @@ enum mt7915_eeprom_field {
__MT_EE_MAX = 0xe00
};
#define MT_EE_WIFI_CONF_TX_MASK GENMASK(2, 0)
#define MT_EE_WIFI_CONF_BAND_SEL GENMASK(7, 6)
#define MT_EE_WIFI_CONF_TSSI0_2G BIT(0)
#define MT_EE_WIFI_CONF_TSSI0_5G BIT(2)
#define MT_EE_WIFI_CONF_TSSI1_5G BIT(4)
#define MT_EE_WIFI_CONF0_TX_PATH GENMASK(2, 0)
#define MT_EE_WIFI_CONF0_BAND_SEL GENMASK(7, 6)
#define MT_EE_WIFI_CONF1_BAND_SEL GENMASK(7, 6)
#define MT_EE_WIFI_CONF3_TX_PATH_B0 GENMASK(1, 0)
#define MT_EE_WIFI_CONF3_TX_PATH_B1 GENMASK(5, 4)
#define MT_EE_WIFI_CONF7_TSSI0_2G BIT(0)
#define MT_EE_WIFI_CONF7_TSSI0_5G BIT(2)
#define MT_EE_WIFI_CONF7_TSSI1_5G BIT(4)
#define MT_EE_RATE_DELTA_MASK GENMASK(5, 0)
#define MT_EE_RATE_DELTA_SIGN BIT(6)
@@ -90,9 +93,9 @@ mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
/* TODO: DBDC */
if (band == NL80211_BAND_5GHZ)
return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF_TSSI0_5G;
return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF7_TSSI0_5G;
else
return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF_TSSI0_2G;
return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF7_TSSI0_2G;
}
extern const u8 mt7915_sku_group_len[MAX_SKU_RATE_GROUP_NUM];