diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c index ef8e9336f6274174268d1713522e9c9372b96aa0..b346080458bcc27a932da437c53a82900b9d6093 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c @@ -253,8 +253,10 @@ static int mt7615_set_channel(struct mt7615_phy *phy) mt7615_init_dfs_state(phy); mt76_set_channel(phy->mt76); - if (is_mt7615(&dev->mt76) && dev->flash_eeprom) + if (is_mt7615(&dev->mt76) && dev->flash_eeprom) { mt7615_mcu_apply_rx_dcoc(phy); + mt7615_mcu_apply_tx_dpd(phy); + } ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD_CHANNEL_SWITCH); if (ret) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c index a9fd68692e963ec577bd5d379df73653c17e7e81..f51d252c5f49da57846f956f16cadd666486e162 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c @@ -2979,3 +2979,124 @@ out: return ret; } + +static int mt7615_dpd_freq_idx(u16 freq, u8 bw) +{ + static const u16 freq_list[] = { + 4920, 4940, 4960, 4980, + 5040, 5060, 5080, 5180, + 5200, 5220, 5240, 5260, + 5280, 5300, 5320, 5340, + 5360, 5380, 5400, 5420, + 5440, 5460, 5480, 5500, + 5520, 5540, 5560, 5580, + 5600, 5620, 5640, 5660, + 5680, 5700, 5720, 5745, + 5765, 5785, 5805, 5825, + 5845, 5865, 5885, 5905 + }; + int offset_2g = ARRAY_SIZE(freq_list); + int idx; + + if (freq < 4000) { + if (freq < 2432) + return offset_2g; + if (freq < 2457) + return offset_2g + 1; + + return offset_2g + 2; + } + + if (bw != NL80211_CHAN_WIDTH_20) { + idx = mt7615_find_freq_idx(freq_list, ARRAY_SIZE(freq_list), + freq + 10); + if (idx >= 0) + return idx; + + idx = mt7615_find_freq_idx(freq_list, ARRAY_SIZE(freq_list), + freq - 10); + if (idx >= 0) + return idx; + } + + return mt7615_find_freq_idx(freq_list, ARRAY_SIZE(freq_list), freq); +} + + +int mt7615_mcu_apply_tx_dpd(struct mt7615_phy *phy) +{ + struct mt7615_dev *dev = phy->dev; + struct cfg80211_chan_def *chandef = &phy->mt76->chandef; + int freq2 = chandef->center_freq2; + int ret; + struct { + u8 direction; + u8 runtime_calibration; + u8 _rsv[2]; + + __le16 center_freq; + u8 bw; + u8 band; + u8 is_freq2; + u8 success; + u8 dbdc_en; + + u8 _rsv2; + + struct { + struct { + u32 dpd_g0; + u8 data[32]; + } wf0, wf1; + + struct { + u32 dpd_g0_prim; + u32 dpd_g0_sec; + u8 data_prim[32]; + u8 data_sec[32]; + } wf2, wf3; + } dpd_data; + } req = { + .direction = 1, + + .bw = mt7615_mcu_chan_bw(chandef), + .band = chandef->center_freq1 > 4000, + .dbdc_en = !!dev->mt76.phy2, + }; + u16 center_freq = chandef->center_freq1; + int freq_idx; + u8 *eep = dev->mt76.eeprom.data; + + if (!(eep[MT_EE_CALDATA_FLASH] & MT_EE_CALDATA_FLASH_TX_DPD)) + return 0; + + if (chandef->width == NL80211_CHAN_WIDTH_160) { + freq2 = center_freq + 40; + center_freq -= 40; + } + +again: + req.runtime_calibration = 1; + freq_idx = mt7615_dpd_freq_idx(center_freq, chandef->width); + if (freq_idx < 0) + goto out; + + memcpy(&req.dpd_data, eep + MT7615_EEPROM_TXDPD_OFFSET + + freq_idx * MT7615_EEPROM_TXDPD_SIZE, + sizeof(req.dpd_data)); + req.runtime_calibration = 0; + +out: + req.center_freq = cpu_to_le16(center_freq); + ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_TXDPD_CAL, &req, + sizeof(req), true); + + if ((chandef->width == NL80211_CHAN_WIDTH_80P80 || + chandef->width == NL80211_CHAN_WIDTH_160) && !req.is_freq2) { + req.is_freq2 = true; + center_freq = freq2; + goto again; + } + + return ret; +} diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h index 427478002e672569aac9d2e12c0fc0af9f3a84fb..983625fb72eed7359f29939045b03f6b38430f17 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h @@ -271,6 +271,7 @@ enum { MCU_EXT_CMD_SET_RX_PATH = 0x4e, MCU_EXT_CMD_TX_POWER_FEATURE_CTRL = 0x58, MCU_EXT_CMD_RXDCOC_CAL = 0x59, + MCU_EXT_CMD_TXDPD_CAL = 0x60, MCU_EXT_CMD_SET_RDD_TH = 0x7c, MCU_EXT_CMD_SET_RDD_PATTERN = 0x7d, }; diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h index 39c792826c48db0fea4ab402c355f0f0947b40bb..65a2b30fc588085063c8312f23820e15c5bfaa90 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h @@ -496,6 +496,7 @@ int mt7615_mcu_set_radar_th(struct mt7615_dev *dev, int index, const struct mt7615_dfs_pattern *pattern); int mt7615_mcu_set_sku_en(struct mt7615_phy *phy, bool enable); int mt7615_mcu_apply_rx_dcoc(struct mt7615_phy *phy); +int mt7615_mcu_apply_tx_dpd(struct mt7615_phy *phy); int mt7615_dfs_init_radar_detector(struct mt7615_phy *phy); int mt7615_init_debugfs(struct mt7615_dev *dev);