diff options
| author | Shayne Chen <shayne.chen@mediatek.com> | 2021-04-17 06:16:17 +0800 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2021-04-21 12:20:54 +0200 |
| commit | 790d228a68745624c266c27aded0d7f46a0d5af4 (patch) | |
| tree | cca92216d2d9b59ac7fcd0a1d4791a05746d8cdc /drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | |
| parent | e513ae49088bbb0d00299a9f996f88f08cca7dc6 (diff) | |
mt76: mt7915: add support for DT rate power limits
Enable to limit per-rate max txpower from DT.
Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915/mcu.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 44 |
1 files changed, 38 insertions, 6 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index 1a7c36cb435b..74c375910eb7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -3517,15 +3517,47 @@ int mt7915_mcu_set_sku(struct mt7915_phy *phy) .format_id = 4, .dbdc_idx = phy != &dev->phy, }; - int i; - s8 *delta; + struct mt76_power_limits limits_array; + 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]; - mphy->txpower_cur = hw->conf.power_level * 2 + - delta[MT7915_SKU_MAX_DELTA_IDX]; + 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_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++) - req.val[i] = hw->conf.power_level * 2 + delta[i]; + if (!offset) { + 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, MCU_EXT_CMD(TX_POWER_FEATURE_CTRL), &req, |