Commit 790d228a authored by Shayne Chen's avatar Shayne Chen Committed by Felix Fietkau

mt76: mt7915: add support for DT rate power limits

Enable to limit per-rate max txpower from DT.
Tested-by: default avatarEvelyn Tsai <evelyn.tsai@mediatek.com>
Signed-off-by: default avatarShayne Chen <shayne.chen@mediatek.com>
Signed-off-by: default avatarRyder Lee <ryder.lee@mediatek.com>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent e513ae49
...@@ -3517,15 +3517,47 @@ int mt7915_mcu_set_sku(struct mt7915_phy *phy) ...@@ -3517,15 +3517,47 @@ int mt7915_mcu_set_sku(struct mt7915_phy *phy)
.format_id = 4, .format_id = 4,
.dbdc_idx = phy != &dev->phy, .dbdc_idx = phy != &dev->phy,
}; };
int i; struct mt76_power_limits limits_array;
s8 *delta; s8 *delta, *la = (s8 *)&limits_array;
int i, idx, n_chains = hweight8(mphy->antenna_mask);
int tx_power;
delta = dev->rate_power[mphy->chandef.chan->band]; delta = dev->rate_power[mphy->chandef.chan->band];
mphy->txpower_cur = hw->conf.power_level * 2 + tx_power = hw->conf.power_level * 2 -
delta[MT7915_SKU_MAX_DELTA_IDX]; mt76_tx_power_nss_delta(n_chains);
tx_power = mt76_get_rate_power_limits(mphy, mphy->chandef.chan,
&limits_array, tx_power);
mphy->txpower_cur = tx_power;
for (i = 0, idx = 0; i < MAX_SKU_RATE_GROUP_NUM; i++) {
const struct sku_group *sku = &mt7915_sku_groups[i];
u32 offset = sku->offset[mphy->chandef.chan->band];
u8 mcs_num = sku->len;
int j;
if (i >= SKU_HT_BW20 && i <= SKU_VHT_BW160) {
mcs_num = 10;
if (i == SKU_HT_BW20 || i == SKU_VHT_BW20)
la = (s8 *)&limits_array + 12;
}
for (i = 0; i < MT7915_SKU_RATE_NUM; i++) if (!offset) {
req.val[i] = hw->conf.power_level * 2 + delta[i]; idx += sku->len;
la += mcs_num;
continue;
}
for (j = 0; j < min_t(u8, mcs_num, sku->len); j++) {
s8 rate_power;
rate_power = hw->conf.power_level * 2 + delta[idx + j];
req.val[idx + j] = min_t(s8, la[j], rate_power);
}
la += mcs_num;
idx += sku->len;
}
return mt76_mcu_send_msg(&dev->mt76, return mt76_mcu_send_msg(&dev->mt76,
MCU_EXT_CMD(TX_POWER_FEATURE_CTRL), &req, MCU_EXT_CMD(TX_POWER_FEATURE_CTRL), &req,
......
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