developer | 20d6771 | 2022-03-02 14:09:32 +0800 | [diff] [blame^] | 1 | From dc716282ac878c050c0752bc7457e8943ddd2022 Mon Sep 17 00:00:00 2001 |
| 2 | From: Shayne Chen <shayne.chen@mediatek.com> |
| 3 | Date: Mon, 14 Feb 2022 18:04:51 +0800 |
| 4 | Subject: [PATCH 11/11] mt76: mt7915: init txpower for 6GHz |
| 5 | |
| 6 | init txpower for 6GHz |
| 7 | |
| 8 | Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> |
| 9 | --- |
| 10 | .../net/wireless/mediatek/mt76/mt7915/eeprom.c | 16 ++++++++++++---- |
| 11 | .../net/wireless/mediatek/mt76/mt7915/eeprom.h | 13 ++++++++++++- |
| 12 | drivers/net/wireless/mediatek/mt76/mt7915/init.c | 2 ++ |
| 13 | 3 files changed, 26 insertions(+), 5 deletions(-) |
| 14 | |
| 15 | diff --git a/mt7915/eeprom.c b/mt7915/eeprom.c |
| 16 | index 0aab381..69236c3 100644 |
| 17 | --- a/mt7915/eeprom.c |
| 18 | +++ b/mt7915/eeprom.c |
| 19 | @@ -282,8 +282,8 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev, |
| 20 | if (!tssi_on) |
| 21 | target_power += eeprom[index + 1]; |
| 22 | } |
| 23 | - } else { |
| 24 | - int group = mt7915_get_channel_group(chan->hw_value, is_7976); |
| 25 | + } else if (chan->band == NL80211_BAND_5GHZ) { |
| 26 | + int group = mt7915_get_channel_group_5g(chan->hw_value, is_7976); |
| 27 | |
| 28 | if (is_7976) { |
| 29 | index = MT_EE_TX0_POWER_5G_V2 + chain_idx * 5; |
| 30 | @@ -295,6 +295,12 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev, |
| 31 | if (!tssi_on) |
| 32 | target_power += eeprom[index + 8]; |
| 33 | } |
| 34 | + } else { |
| 35 | + int group; |
| 36 | + |
| 37 | + group = mt7915_get_channel_group_6g(chan->hw_value); |
| 38 | + index = MT_EE_TX0_POWER_6G_V2 + chain_idx * 8; |
| 39 | + target_power = is_7976 ? eeprom[index + group] : 0; |
| 40 | } |
| 41 | |
| 42 | return target_power; |
| 43 | @@ -309,12 +315,14 @@ s8 mt7915_eeprom_get_power_delta(struct mt7915_dev *dev, int band) |
| 44 | |
| 45 | if (band == NL80211_BAND_2GHZ) |
| 46 | offs = is_7976 ? MT_EE_RATE_DELTA_2G_V2 : MT_EE_RATE_DELTA_2G; |
| 47 | - else |
| 48 | + else if (band == NL80211_BAND_5GHZ) |
| 49 | offs = is_7976 ? MT_EE_RATE_DELTA_5G_V2 : MT_EE_RATE_DELTA_5G; |
| 50 | + else |
| 51 | + offs = is_7976 ? MT_EE_RATE_DELTA_6G_V2 : 0; |
| 52 | |
| 53 | val = eeprom[offs]; |
| 54 | |
| 55 | - if (!(val & MT_EE_RATE_DELTA_EN)) |
| 56 | + if (!offs || !(val & MT_EE_RATE_DELTA_EN)) |
| 57 | return 0; |
| 58 | |
| 59 | delta = FIELD_GET(MT_EE_RATE_DELTA_MASK, val); |
| 60 | diff --git a/mt7915/eeprom.h b/mt7915/eeprom.h |
| 61 | index 4576091..7578ac6 100644 |
| 62 | --- a/mt7915/eeprom.h |
| 63 | +++ b/mt7915/eeprom.h |
| 64 | @@ -25,8 +25,10 @@ enum mt7915_eeprom_field { |
| 65 | MT_EE_TX0_POWER_5G = 0x34b, |
| 66 | MT_EE_RATE_DELTA_2G_V2 = 0x7d3, |
| 67 | MT_EE_RATE_DELTA_5G_V2 = 0x81e, |
| 68 | + MT_EE_RATE_DELTA_6G_V2 = 0x884, /* 6g fields only appear in eeprom v2 */ |
| 69 | MT_EE_TX0_POWER_2G_V2 = 0x441, |
| 70 | MT_EE_TX0_POWER_5G_V2 = 0x445, |
| 71 | + MT_EE_TX0_POWER_6G_V2 = 0x465, |
| 72 | MT_EE_ADIE_FT_VERSION = 0x9a0, |
| 73 | |
| 74 | __MT_EE_MAX = 0xe00, |
| 75 | @@ -103,7 +105,7 @@ enum mt7915_sku_rate_group { |
| 76 | }; |
| 77 | |
| 78 | static inline int |
| 79 | -mt7915_get_channel_group(int channel, bool is_7976) |
| 80 | +mt7915_get_channel_group_5g(int channel, bool is_7976) |
| 81 | { |
| 82 | if (is_7976) { |
| 83 | if (channel <= 64) |
| 84 | @@ -134,6 +136,15 @@ mt7915_get_channel_group(int channel, bool is_7976) |
| 85 | return 7; |
| 86 | } |
| 87 | |
| 88 | +static inline int |
| 89 | +mt7915_get_channel_group_6g(int channel) |
| 90 | +{ |
| 91 | + if (channel <= 29) |
| 92 | + return 0; |
| 93 | + |
| 94 | + return DIV_ROUND_UP(channel - 29, 32); |
| 95 | +} |
| 96 | + |
| 97 | static inline bool |
| 98 | mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band) |
| 99 | { |
| 100 | diff --git a/mt7915/init.c b/mt7915/init.c |
| 101 | index 82bb99c..81868c5 100644 |
| 102 | --- a/mt7915/init.c |
| 103 | +++ b/mt7915/init.c |
| 104 | @@ -312,6 +312,7 @@ mt7915_regd_notifier(struct wiphy *wiphy, |
| 105 | |
| 106 | mt7915_init_txpower(dev, &mphy->sband_2g.sband); |
| 107 | mt7915_init_txpower(dev, &mphy->sband_5g.sband); |
| 108 | + mt7915_init_txpower(dev, &mphy->sband_6g.sband); |
| 109 | |
| 110 | mphy->dfs_state = MT_DFS_STATE_UNKNOWN; |
| 111 | mt7915_dfs_init_radar_detector(phy); |
| 112 | @@ -561,6 +562,7 @@ static void mt7915_init_work(struct work_struct *work) |
| 113 | mt7915_mac_init(dev); |
| 114 | mt7915_init_txpower(dev, &dev->mphy.sband_2g.sband); |
| 115 | mt7915_init_txpower(dev, &dev->mphy.sband_5g.sband); |
| 116 | + mt7915_init_txpower(dev, &dev->mphy.sband_6g.sband); |
| 117 | mt7915_txbf_init(dev); |
| 118 | } |
| 119 | |
| 120 | -- |
| 121 | 2.25.1 |
| 122 | |