It is useful for IBSS Mesh to adjust t_clockdrift.
Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
---
.../net/wireless/mediatek/mt76/mt7615/main.c | 21 +++++++++++++++++++
.../net/wireless/mediatek/mt76/mt7615/regs.h | 1 +
2 files changed, 22 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
index 6b4dd5d8794e..b1390efe7341 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
@@ -740,6 +740,26 @@ mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
return tsf.t64;
}
+static void
+mt7615_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ u64 timestamp)
+{
+ struct mt7615_dev *dev = mt7615_hw_dev(hw);
+ union {
+ u64 t64;
+ u32 t32[2];
+ } tsf = { .t64 = timestamp, };
+
+ mutex_lock(&dev->mt76.mutex);
+
+ mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
+ mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
+ /* TSF software overwrite */
+ mt76_set(dev, MT_LPON_T0CR, MT_LPON_T0CR_WRITE);
+
+ mutex_unlock(&dev->mt76.mutex);
+}
+
static void
mt7615_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
{
@@ -1038,6 +1058,7 @@ const struct ieee80211_ops mt7615_ops = {
.channel_switch_beacon = mt7615_channel_switch_beacon,
.get_stats = mt7615_get_stats,
.get_tsf = mt7615_get_tsf,
+ .set_tsf = mt7615_set_tsf,
.get_survey = mt76_get_survey,
.get_antenna = mt76_get_antenna,
.set_antenna = mt7615_set_antenna,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/regs.h b/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
index aee433a9eff6..f0b36b162bf3 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
@@ -417,6 +417,7 @@ enum mt7615_reg_base {
#define MT_LPON_T0CR MT_LPON(0x010)
#define MT_LPON_T0CR_MODE GENMASK(1, 0)
+#define MT_LPON_T0CR_WRITE BIT(0)
#define MT_LPON_UTTR0 MT_LPON(0x018)
#define MT_LPON_UTTR1 MT_LPON(0x01c)
--
2.18.0
