diff options
| author | Lorenzo Bianconi <lorenzo.bianconi@redhat.com> | 2018-10-22 23:42:13 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2018-11-30 12:21:42 +0100 |
| commit | 801ccc8a60381f76810b5da9b22f9fe47076a6e9 (patch) | |
| tree | d6f492d0e76a6a4987d7f95b5f351cbe1e6e22bf /drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c | |
| parent | e6cb3291053fdf21e5caba68137b4bab112815fc (diff) | |
| download | linux-801ccc8a60381f76810b5da9b22f9fe47076a6e9.tar.bz2 | |
mt76x0: pci: add DFS support
Introduce dfs support in mt76x0e driver and unlock radar channels
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c b/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c index 21e7b8c9f824..527e530d480a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c @@ -802,6 +802,35 @@ static void mt76x02_dfs_set_bbp_params(struct mt76x02_dev *dev) mt76_wr(dev, 0x212c, 0x0c350001); } +void mt76x02_phy_dfs_adjust_agc(struct mt76x02_dev *dev) +{ + u32 agc_r8, agc_r4, val_r8, val_r4, dfs_r31; + + agc_r8 = mt76_rr(dev, MT_BBP(AGC, 8)); + agc_r4 = mt76_rr(dev, MT_BBP(AGC, 4)); + + val_r8 = (agc_r8 & 0x00007e00) >> 9; + val_r4 = agc_r4 & ~0x1f000000; + val_r4 += (((val_r8 + 1) >> 1) << 24); + mt76_wr(dev, MT_BBP(AGC, 4), val_r4); + + dfs_r31 = FIELD_GET(MT_BBP_AGC_LNA_HIGH_GAIN, val_r4); + dfs_r31 += val_r8; + dfs_r31 -= (agc_r8 & 0x00000038) >> 3; + dfs_r31 = (dfs_r31 << 16) | 0x00000307; + mt76_wr(dev, MT_BBP(DFS, 31), dfs_r31); + + if (is_mt76x2(dev)) { + mt76_wr(dev, MT_BBP(DFS, 32), 0x00040071); + } else { + /* disable hw detector */ + mt76_wr(dev, MT_BBP(DFS, 0), 0); + /* enable hw detector */ + mt76_wr(dev, MT_BBP(DFS, 0), MT_DFS_CH_EN << 16); + } +} +EXPORT_SYMBOL_GPL(mt76x02_phy_dfs_adjust_agc); + void mt76x02_dfs_init_params(struct mt76x02_dev *dev) { struct cfg80211_chan_def *chandef = &dev->mt76.chandef; @@ -841,7 +870,6 @@ void mt76x02_dfs_init_detector(struct mt76x02_dev *dev) tasklet_init(&dfs_pd->dfs_tasklet, mt76x02_dfs_tasklet, (unsigned long)dev); } -EXPORT_SYMBOL_GPL(mt76x02_dfs_init_detector); static void mt76x02_dfs_set_domain(struct mt76x02_dev *dev, @@ -865,4 +893,3 @@ void mt76x02_regd_notifier(struct wiphy *wiphy, mt76x02_dfs_set_domain(dev, request->dfs_region); } -EXPORT_SYMBOL_GPL(mt76x02_regd_notifier); |