diff options
author | Ryder Lee <ryder.lee@mediatek.com> | 2021-08-16 03:32:26 +0300 |
---|---|---|
committer | Felix Fietkau <nbd@nbd.name> | 2021-10-20 11:36:35 +0300 |
commit | 9aac2969fe5f8c3d7a827b73e4fe904e0abce9c2 (patch) | |
tree | 2e26c54c28a5c505a7a5b212c47501c860546256 /drivers/net/wireless/mediatek/mt76 | |
parent | 67f938577b2ce7a1c6135d0ca77f26c9753cf9d0 (diff) | |
download | linux-9aac2969fe5f8c3d7a827b73e4fe904e0abce9c2.tar.xz |
mt76: mt7915: update mac timing settings
1. EIFS has been divided into OFDM/CCK fields after 11ax generation.
2. For 5G/6G SIFS setting, hardware counts extra 6us for OFDM.
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')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/mac.c | 14 | ||||
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/regs.h | 5 |
2 files changed, 10 insertions, 9 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index dfc5ea2cf7d0..5439fa766182 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -1572,17 +1572,12 @@ void mt7915_mac_set_timing(struct mt7915_phy *phy) FIELD_PREP(MT_TIMEOUT_VAL_CCA, 48); u32 ofdm = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 60) | FIELD_PREP(MT_TIMEOUT_VAL_CCA, 28); - int sifs, offset; + int offset; bool is_5ghz = phy->mt76->chandef.chan->band == NL80211_BAND_5GHZ; if (!test_bit(MT76_STATE_RUNNING, &phy->mt76->state)) return; - if (is_5ghz) - sifs = 16; - else - sifs = 10; - if (ext_phy) { coverage_class = max_t(s16, dev->phy.coverage_class, coverage_class); @@ -1604,11 +1599,14 @@ void mt7915_mac_set_timing(struct mt7915_phy *phy) mt76_wr(dev, MT_TMAC_CDTR(ext_phy), cck + reg_offset); mt76_wr(dev, MT_TMAC_ODTR(ext_phy), ofdm + reg_offset); mt76_wr(dev, MT_TMAC_ICR0(ext_phy), - FIELD_PREP(MT_IFS_EIFS, 360) | + FIELD_PREP(MT_IFS_EIFS_OFDM, is_5ghz ? 84 : 78) | FIELD_PREP(MT_IFS_RIFS, 2) | - FIELD_PREP(MT_IFS_SIFS, sifs) | + FIELD_PREP(MT_IFS_SIFS, 10) | FIELD_PREP(MT_IFS_SLOT, phy->slottime)); + mt76_wr(dev, MT_TMAC_ICR1(ext_phy), + FIELD_PREP(MT_IFS_EIFS_CCK, 314)); + if (phy->slottime < 20 || is_5ghz) val = MT7915_CFEND_RATE_DEFAULT; else diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h index a213b5cb82f8..91c1fb56b0ed 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h @@ -72,11 +72,14 @@ #define MT_TMAC_TRCR0_I2T_CHK GENMASK(24, 16) #define MT_TMAC_ICR0(_band) MT_WF_TMAC(_band, 0x0a4) -#define MT_IFS_EIFS GENMASK(8, 0) +#define MT_IFS_EIFS_OFDM GENMASK(8, 0) #define MT_IFS_RIFS GENMASK(14, 10) #define MT_IFS_SIFS GENMASK(22, 16) #define MT_IFS_SLOT GENMASK(30, 24) +#define MT_TMAC_ICR1(_band) MT_WF_TMAC(_band, 0x0b4) +#define MT_IFS_EIFS_CCK GENMASK(8, 0) + #define MT_TMAC_CTCR0(_band) MT_WF_TMAC(_band, 0x0f4) #define MT_TMAC_CTCR0_INS_DDLMT_REFTIME GENMASK(5, 0) #define MT_TMAC_CTCR0_INS_DDLMT_EN BIT(17) |