Skip to content

Commit

Permalink
mt76: move mt76x02_phy_adjust_vga_gain in mt76/mt76x02_phy.c
Browse files Browse the repository at this point in the history
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>
  • Loading branch information
Lorenzo Bianconi authored and Felix Fietkau committed Oct 13, 2018
1 parent b225a9b commit 9f884f0
Show file tree
Hide file tree
Showing 3 changed files with 24 additions and 20 deletions.
21 changes: 21 additions & 0 deletions drivers/net/wireless/mediatek/mt76/mt76x02_phy.c
Original file line number Diff line number Diff line change
Expand Up @@ -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 change: 1 addition & 0 deletions drivers/net/wireless/mediatek/mt76/mt76x02_phy.h
Original file line number Diff line number Diff line change
Expand Up @@ -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 changes: 2 additions & 20 deletions drivers/net/wireless/mediatek/mt76/mt76x2/pci_phy.c
Original file line number Diff line number Diff line change
Expand Up @@ -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)
{
Expand All @@ -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;
}

Expand Down

0 comments on commit 9f884f0

Please sign in to comment.