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 <[email protected]> --- .../wireless/mediatek/mt76/mt76x0/mt76x0.h | 6 ++- .../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 10041e673c31..d294325221f3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c @@ -775,13 +775,56 @@ 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); mt76x0_phy_rf_switch_band(dev, NULL); -- 2.17.0
