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mt76: mt7615: implement support for using DT rate power limits

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Limits are used to update the channel max_power settings and also passed
to the firmware on channel changes

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2021-04-13 11:08:38 +02:00
parent a9627d992b
commit fb0d90540b
2 changed files with 69 additions and 2 deletions
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10
drivers/net/wireless/mediatek/mt76/mt7615/init.c
View File

@ -252,6 +252,7 @@ void mt7615_init_txpower(struct mt7615_dev *dev,
int delta_idx, delta = mt76_tx_power_nss_delta(n_chains);
u8 *eep = (u8 *)dev->mt76.eeprom.data;
enum nl80211_band band = sband->band;
struct mt76_power_limits limits;
u8 rate_val;
delta_idx = mt7615_eeprom_get_power_delta_index(dev, band);
@ -280,7 +281,11 @@ void mt7615_init_txpower(struct mt7615_dev *dev,
target_power = max(target_power, eep[index]);
}
target_power = DIV_ROUND_UP(target_power + delta, 2);
target_power = mt76_get_rate_power_limits(&dev->mphy, chan,
&limits,
target_power);
target_power += delta;
target_power = DIV_ROUND_UP(target_power, 2);
chan->max_power = min_t(int, chan->max_reg_power,
target_power);
chan->orig_mpwr = target_power;
@ -311,6 +316,9 @@ mt7615_regd_notifier(struct wiphy *wiphy,
memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2));
dev->mt76.region = request->dfs_region;
mt7615_init_txpower(dev, &mphy->sband_2g.sband);
mt7615_init_txpower(dev, &mphy->sband_5g.sband);
mt7615_mutex_acquire(dev);
if (chandef->chan->flags & IEEE80211_CHAN_RADAR)

61
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
View File

@ -2137,16 +2137,75 @@ static void mt7615_mcu_set_txpower_sku(struct mt7615_phy *phy, u8 *sku)
{
struct mt76_phy *mphy = phy->mt76;
struct ieee80211_hw *hw = mphy->hw;
struct mt76_power_limits limits;
s8 *limits_array = (s8 *)&limits;
int n_chains = hweight8(mphy->antenna_mask);
int tx_power;
int i;
static const u8 sku_mapping[] = {
#define SKU_FIELD(_type, _field) \
[MT_SKU_##_type] = offsetof(struct mt76_power_limits, _field)
SKU_FIELD(CCK_1_2, cck[0]),
SKU_FIELD(CCK_55_11, cck[2]),
SKU_FIELD(OFDM_6_9, ofdm[0]),
SKU_FIELD(OFDM_12_18, ofdm[2]),
SKU_FIELD(OFDM_24_36, ofdm[4]),
SKU_FIELD(OFDM_48, ofdm[6]),
SKU_FIELD(OFDM_54, ofdm[7]),
SKU_FIELD(HT20_0_8, mcs[0][0]),
SKU_FIELD(HT20_32, ofdm[0]),
SKU_FIELD(HT20_1_2_9_10, mcs[0][1]),
SKU_FIELD(HT20_3_4_11_12, mcs[0][3]),
SKU_FIELD(HT20_5_13, mcs[0][5]),
SKU_FIELD(HT20_6_14, mcs[0][6]),
SKU_FIELD(HT20_7_15, mcs[0][7]),
SKU_FIELD(HT40_0_8, mcs[1][0]),
SKU_FIELD(HT40_32, ofdm[0]),
SKU_FIELD(HT40_1_2_9_10, mcs[1][1]),
SKU_FIELD(HT40_3_4_11_12, mcs[1][3]),
SKU_FIELD(HT40_5_13, mcs[1][5]),
SKU_FIELD(HT40_6_14, mcs[1][6]),
SKU_FIELD(HT40_7_15, mcs[1][7]),
SKU_FIELD(VHT20_0, mcs[0][0]),
SKU_FIELD(VHT20_1_2, mcs[0][1]),
SKU_FIELD(VHT20_3_4, mcs[0][3]),
SKU_FIELD(VHT20_5_6, mcs[0][5]),
SKU_FIELD(VHT20_7, mcs[0][7]),
SKU_FIELD(VHT20_8, mcs[0][8]),
SKU_FIELD(VHT20_9, mcs[0][9]),
SKU_FIELD(VHT40_0, mcs[1][0]),
SKU_FIELD(VHT40_1_2, mcs[1][1]),
SKU_FIELD(VHT40_3_4, mcs[1][3]),
SKU_FIELD(VHT40_5_6, mcs[1][5]),
SKU_FIELD(VHT40_7, mcs[1][7]),
SKU_FIELD(VHT40_8, mcs[1][8]),
SKU_FIELD(VHT40_9, mcs[1][9]),
SKU_FIELD(VHT80_0, mcs[2][0]),
SKU_FIELD(VHT80_1_2, mcs[2][1]),
SKU_FIELD(VHT80_3_4, mcs[2][3]),
SKU_FIELD(VHT80_5_6, mcs[2][5]),
SKU_FIELD(VHT80_7, mcs[2][7]),
SKU_FIELD(VHT80_8, mcs[2][8]),
SKU_FIELD(VHT80_9, mcs[2][9]),
SKU_FIELD(VHT160_0, mcs[3][0]),
SKU_FIELD(VHT160_1_2, mcs[3][1]),
SKU_FIELD(VHT160_3_4, mcs[3][3]),
SKU_FIELD(VHT160_5_6, mcs[3][5]),
SKU_FIELD(VHT160_7, mcs[3][7]),
SKU_FIELD(VHT160_8, mcs[3][8]),
SKU_FIELD(VHT160_9, mcs[3][9]),
#undef SKU_FIELD
};
tx_power = hw->conf.power_level * 2 -
mt76_tx_power_nss_delta(n_chains);
tx_power = mt76_get_rate_power_limits(mphy, mphy->chandef.chan,
&limits, tx_power);
mphy->txpower_cur = tx_power;
for (i = 0; i < MT_SKU_1SS_DELTA; i++)
sku[i] = tx_power;
sku[i] = limits_array[sku_mapping[i]];
for (i = 0; i < 4; i++) {
int delta = 0;