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authorRyder Lee <ryder.lee@mediatek.com>2021-05-25 17:22:24 +0800
committerFelix Fietkau <nbd@nbd.name>2021-06-19 09:22:46 +0200
commitaccbcea4f301e7db084b0a393de8100bdae26ce6 (patch)
tree8b560e6c0cd1abe040a54ddf371f703263a8d208 /drivers/net/wireless/mediatek/mt76/mt7615/main.c
parent160731341845171fd0e5ecd39fe0a43cc9d9af36 (diff)
mt76: mt7615: add .offset_tsf callback
It's much more accurate than .get_tsf + .set_tsf and switch to use mt76_rmw to operate tsf registers. 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/mt7615/main.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7615/main.c32
1 files changed, 30 insertions, 2 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
index faae60775b16..c2a122ca2e83 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
@@ -881,7 +881,8 @@ mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
mt7615_mutex_acquire(dev);
- mt76_set(dev, reg, MT_LPON_TCR_MODE); /* TSF read */
+ /* TSF read */
+ mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_READ);
tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0);
tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1);
@@ -911,7 +912,33 @@ mt7615_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
/* TSF software overwrite */
- mt76_set(dev, reg, MT_LPON_TCR_WRITE);
+ mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_WRITE);
+
+ mt7615_mutex_release(dev);
+}
+
+static void
+mt7615_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ s64 timestamp)
+{
+ struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ struct mt7615_dev *dev = mt7615_hw_dev(hw);
+ union {
+ u64 t64;
+ u32 t32[2];
+ } tsf = { .t64 = timestamp, };
+ u16 idx = mvif->mt76.omac_idx;
+ u32 reg;
+
+ idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
+ reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
+
+ mt7615_mutex_acquire(dev);
+
+ mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
+ mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
+ /* TSF software adjust*/
+ mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_ADJUST);
mt7615_mutex_release(dev);
}
@@ -1278,6 +1305,7 @@ const struct ieee80211_ops mt7615_ops = {
.get_stats = mt7615_get_stats,
.get_tsf = mt7615_get_tsf,
.set_tsf = mt7615_set_tsf,
+ .offset_tsf = mt7615_offset_tsf,
.get_survey = mt76_get_survey,
.get_antenna = mt76_get_antenna,
.set_antenna = mt7615_set_antenna,