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authorLorenzo Bianconi <lorenzo.bianconi@redhat.com>2018-10-12 12:16:25 +0200
committerFelix Fietkau <nbd@nbd.name>2018-10-13 17:39:49 +0200
commit9f884f0f9d000998a3e413232e9efcdbb5901139 (patch)
tree508183da03ba87f4d0ac711aff37f2e7a59bb24f
parentmt76: move rssi_gain_thresh routines in mt76x02-lib module (diff)
downloadlinux-9f884f0f9d000998a3e413232e9efcdbb5901139.tar.xz
linux-9f884f0f9d000998a3e413232e9efcdbb5901139.zip
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>
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt76x02_phy.c21
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt76x02_phy.h1
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt76x2/pci_phy.c22
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;
}