diff options
| author | Felix Fietkau <nbd@nbd.name> | 2018-10-18 17:09:07 +0300 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2018-11-30 14:21:40 +0300 |
| commit | cadc83efce65fe505ec7736cec6ff5f26cbce52a (patch) | |
| tree | 2907f2f9b4fb0636724f539d846625ff508853c7 /drivers/net | |
| parent | 5567b37359919d2f678de04e9d6e83571b3140ff (diff) | |
| download | linux-cadc83efce65fe505ec7736cec6ff5f26cbce52a.tar.xz | |
mt76: mt76x0: handle chip specific initval differences
Some RF registers need different values for various chips.
For at least mt76x0_rf_central_tab registers, overwriting them later does
not work, as the wrong values can cause the entire system to hang on some
devices with MT7610E
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/phy.c | 47 |
2 files changed, 49 insertions, 4 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h b/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h index 33475788bc26..989ed00c0b7a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h @@ -33,8 +33,10 @@ static inline bool is_mt7610e(struct mt76x02_dev *dev) { - /* TODO */ - return false; + if (!mt76_is_mmio(dev)) + return false; + + return mt76_chip(&dev->mt76) == 0x7610; } static inline bool is_mt7630(struct mt76x02_dev *dev) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c index 37e1ead1dc85..29689318c4d6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c @@ -742,13 +742,56 @@ static void mt76x0_phy_calibration_work(struct work_struct *work) MT_CALIBRATE_INTERVAL); } +static void mt76x0_rf_patch_reg_array(struct mt76x02_dev *dev, + const struct mt76_reg_pair *rp, int len) +{ + int i; + + for (i = 0; i < len; i++) { + u32 reg = rp[i].reg; + u8 val = rp[i].value; + + switch (reg) { + case MT_RF(0, 3): + if (mt76_is_mmio(dev)) { + if (is_mt7630(dev)) + val = 0x70; + else + val = 0x63; + } else { + val = 0x73; + } + break; + case MT_RF(0, 21): + if (is_mt7610e(dev)) + val = 0x10; + else + val = 0x12; + break; + case MT_RF(5, 2): + if (is_mt7630(dev)) + val = 0x1d; + else if (is_mt7610e(dev)) + val = 0x00; + else + val = 0x0c; + break; + default: + break; + } + mt76x0_rf_wr(dev, reg, val); + } +} + static void mt76x0_phy_rf_init(struct mt76x02_dev *dev) { int i; u8 val; - RF_RANDOM_WRITE(dev, mt76x0_rf_central_tab); - RF_RANDOM_WRITE(dev, mt76x0_rf_2g_channel_0_tab); + mt76x0_rf_patch_reg_array(dev, mt76x0_rf_central_tab, + ARRAY_SIZE(mt76x0_rf_central_tab)); + mt76x0_rf_patch_reg_array(dev, mt76x0_rf_2g_channel_0_tab, + ARRAY_SIZE(mt76x0_rf_2g_channel_0_tab)); RF_RANDOM_WRITE(dev, mt76x0_rf_5g_channel_0_tab); RF_RANDOM_WRITE(dev, mt76x0_rf_vga_channel_0_tab); |