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mt76: mt7915: add txpower init for 6GHz

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Add support to init txpower values of 6GHz band.

Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: MeiChia Chiu <MeiChia.Chiu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Shayne Chen 2022-03-07 15:10:28 +08:00 committed by Felix Fietkau
parent 1c2d366ecb
commit ae14668300
3 changed files with 25 additions and 5 deletions
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15
drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
View File

@ -282,8 +282,8 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
if (!tssi_on)
target_power += eeprom[index + 1];
}
} else {
int group = mt7915_get_channel_group(chan->hw_value, is_7976);
} else if (chan->band == NL80211_BAND_5GHZ) {
int group = mt7915_get_channel_group_5g(chan->hw_value, is_7976);
if (is_7976) {
index = MT_EE_TX0_POWER_5G_V2 + chain_idx * 5;
@ -295,6 +295,11 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
if (!tssi_on)
target_power += eeprom[index + 8];
}
} else {
int group = mt7915_get_channel_group_6g(chan->hw_value);
index = MT_EE_TX0_POWER_6G_V2 + chain_idx * 8;
target_power = is_7976 ? eeprom[index + group] : 0;
}
return target_power;
@ -309,12 +314,14 @@ s8 mt7915_eeprom_get_power_delta(struct mt7915_dev *dev, int band)
if (band == NL80211_BAND_2GHZ)
offs = is_7976 ? MT_EE_RATE_DELTA_2G_V2 : MT_EE_RATE_DELTA_2G;
else
else if (band == NL80211_BAND_5GHZ)
offs = is_7976 ? MT_EE_RATE_DELTA_5G_V2 : MT_EE_RATE_DELTA_5G;
else
offs = is_7976 ? MT_EE_RATE_DELTA_6G_V2 : 0;
val = eeprom[offs];
if (!(val & MT_EE_RATE_DELTA_EN))
if (!offs || !(val & MT_EE_RATE_DELTA_EN))
return 0;
delta = FIELD_GET(MT_EE_RATE_DELTA_MASK, val);

13
drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
View File

@ -25,8 +25,10 @@ enum mt7915_eeprom_field {
MT_EE_TX0_POWER_5G = 0x34b,
MT_EE_RATE_DELTA_2G_V2 = 0x7d3,
MT_EE_RATE_DELTA_5G_V2 = 0x81e,
MT_EE_RATE_DELTA_6G_V2 = 0x884, /* 6g fields only appear in eeprom v2 */
MT_EE_TX0_POWER_2G_V2 = 0x441,
MT_EE_TX0_POWER_5G_V2 = 0x445,
MT_EE_TX0_POWER_6G_V2 = 0x465,
MT_EE_ADIE_FT_VERSION = 0x9a0,
__MT_EE_MAX = 0xe00,
@ -103,7 +105,7 @@ enum mt7915_sku_rate_group {
};
static inline int
mt7915_get_channel_group(int channel, bool is_7976)
mt7915_get_channel_group_5g(int channel, bool is_7976)
{
if (is_7976) {
if (channel <= 64)
@ -134,6 +136,15 @@ mt7915_get_channel_group(int channel, bool is_7976)
return 7;
}
static inline int
mt7915_get_channel_group_6g(int channel)
{
if (channel <= 29)
return 0;
return DIV_ROUND_UP(channel - 29, 32);
}
static inline bool
mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
{

2
drivers/net/wireless/mediatek/mt76/mt7915/init.c
View File

@ -312,6 +312,7 @@ mt7915_regd_notifier(struct wiphy *wiphy,
mt7915_init_txpower(dev, &mphy->sband_2g.sband);
mt7915_init_txpower(dev, &mphy->sband_5g.sband);
mt7915_init_txpower(dev, &mphy->sband_6g.sband);
mphy->dfs_state = MT_DFS_STATE_UNKNOWN;
mt7915_dfs_init_radar_detector(phy);
@ -558,6 +559,7 @@ static void mt7915_init_work(struct work_struct *work)
mt7915_mac_init(dev);
mt7915_init_txpower(dev, &dev->mphy.sband_2g.sband);
mt7915_init_txpower(dev, &dev->mphy.sband_5g.sband);
mt7915_init_txpower(dev, &dev->mphy.sband_6g.sband);
mt7915_txbf_init(dev);
}