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mt76: mt7615: add .set_tsf callback

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It is useful for IBSS Mesh to adjust t_clockdrift.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Ryder Lee
2020-06-18 12:41:48 +08:00
committed by Felix Fietkau
parent b807b368c4
commit b876658b5e
2 changed files with 22 additions and 0 deletions
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21
drivers/net/wireless/mediatek/mt76/mt7615/main.c
View File

@@ -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,

1
drivers/net/wireless/mediatek/mt76/mt7615/regs.h
View File

@@ -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)