diff options
| author | Lorenzo Bianconi <lorenzo.bianconi@redhat.com> | 2018-10-12 13:16:25 +0300 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2018-10-13 18:39:49 +0300 |
| commit | 9f884f0f9d000998a3e413232e9efcdbb5901139 (patch) | |
| tree | 508183da03ba87f4d0ac711aff37f2e7a59bb24f /drivers | |
| parent | b225a9b6c27ef2a0ea4a5e7fce647c6017b8affb (diff) | |
| download | linux-9f884f0f9d000998a3e413232e9efcdbb5901139.tar.xz | |
mt76: move mt76x02_phy_adjust_vga_gain in mt76/mt76x02_phy.c
Move mt76x02_phy_adjust_vga_gain routine in mt76x02-lib module
in order to be reused by mt76x0 driver for vga calibration
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_phy.c | 21 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_phy.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2/pci_phy.c | 22 |
3 files changed, 24 insertions, 20 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_phy.c b/drivers/net/wireless/mediatek/mt76/mt76x02_phy.c index b0c78ab97ad7..97310da37d77 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_phy.c @@ -223,3 +223,24 @@ void mt76x02_phy_set_band(struct mt76x02_dev *dev, int band, primary_upper); } EXPORT_SYMBOL_GPL(mt76x02_phy_set_band); + +bool mt76x02_phy_adjust_vga_gain(struct mt76x02_dev *dev) +{ + u8 limit = dev->cal.low_gain > 0 ? 16 : 4; + bool ret = false; + u32 false_cca; + + false_cca = FIELD_GET(MT_RX_STAT_1_CCA_ERRORS, mt76_rr(dev, MT_RX_STAT_1)); + dev->cal.false_cca = false_cca; + if (false_cca > 800 && dev->cal.agc_gain_adjust < limit) { + dev->cal.agc_gain_adjust += 2; + ret = true; + } else if ((false_cca < 10 && dev->cal.agc_gain_adjust > 0) || + (dev->cal.agc_gain_adjust >= limit && false_cca < 500)) { + dev->cal.agc_gain_adjust -= 2; + ret = true; + } + + return ret; +} +EXPORT_SYMBOL_GPL(mt76x02_phy_adjust_vga_gain); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_phy.h b/drivers/net/wireless/mediatek/mt76/mt76x02_phy.h index 3a5ba5d209ba..8e3a0f93ca80 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_phy.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_phy.h @@ -55,5 +55,6 @@ int mt76x02_phy_get_min_avg_rssi(struct mt76x02_dev *dev); void mt76x02_phy_set_bw(struct mt76x02_dev *dev, int width, u8 ctrl); void mt76x02_phy_set_band(struct mt76x02_dev *dev, int band, bool primary_upper); +bool mt76x02_phy_adjust_vga_gain(struct mt76x02_dev *dev); #endif /* __MT76x02_PHY_H */ diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_phy.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_phy.c index 86b87d896b46..818d2f3e8ac9 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_phy.c @@ -157,25 +157,6 @@ mt76x2_phy_set_gain_val(struct mt76x02_dev *dev) } static void -mt76x2_phy_adjust_vga_gain(struct mt76x02_dev *dev) -{ - u32 false_cca; - u8 limit = dev->cal.low_gain > 0 ? 16 : 4; - - false_cca = FIELD_GET(MT_RX_STAT_1_CCA_ERRORS, mt76_rr(dev, MT_RX_STAT_1)); - dev->cal.false_cca = false_cca; - if (false_cca > 800 && dev->cal.agc_gain_adjust < limit) - dev->cal.agc_gain_adjust += 2; - else if ((false_cca < 10 && dev->cal.agc_gain_adjust > 0) || - (dev->cal.agc_gain_adjust >= limit && false_cca < 500)) - dev->cal.agc_gain_adjust -= 2; - else - return; - - mt76x2_phy_set_gain_val(dev); -} - -static void mt76x2_phy_update_channel_gain(struct mt76x02_dev *dev) { u8 *gain = dev->cal.agc_gain_init; @@ -193,7 +174,8 @@ mt76x2_phy_update_channel_gain(struct mt76x02_dev *dev) dev->cal.low_gain = low_gain; if (!gain_change) { - mt76x2_phy_adjust_vga_gain(dev); + if (mt76x02_phy_adjust_vga_gain(dev)) + mt76x2_phy_set_gain_val(dev); return; } |