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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>
This commit is contained in:
Lorenzo Bianconi 2018-10-12 12:16:25 +02:00 committed by Felix Fietkau
parent b225a9b6c2
commit 9f884f0f9d
3 changed files with 24 additions and 20 deletions
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21
drivers/net/wireless/mediatek/mt76/mt76x02_phy.c
View File

@ -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);

1
drivers/net/wireless/mediatek/mt76/mt76x02_phy.h
View File

@ -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 */

22
drivers/net/wireless/mediatek/mt76/mt76x2/pci_phy.c
View File

@ -156,25 +156,6 @@ mt76x2_phy_set_gain_val(struct mt76x02_dev *dev)
mt76x2_dfs_adjust_agc(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)
{
@ -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;
}