diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c | 54 |
1 files changed, 51 insertions, 3 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c index bfdbc15abaa9..c0f3402d30bb 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c @@ -2,9 +2,14 @@ /* Copyright (C) 2020 MediaTek Inc. */ #include <linux/firmware.h> +#include <linux/moduleparam.h> #include "mt7915.h" #include "eeprom.h" +static bool enable_6ghz; +module_param(enable_6ghz, bool, 0644); +MODULE_PARM_DESC(enable_6ghz, "Enable 6 GHz instead of 5 GHz on hardware that supports both"); + static int mt7915_eeprom_load_precal(struct mt7915_dev *dev) { struct mt76_dev *mdev = &dev->mt76; @@ -142,7 +147,7 @@ static int mt7915_eeprom_load(struct mt7915_dev *dev) /* read eeprom data from efuse */ block_num = DIV_ROUND_UP(eeprom_size, eeprom_blk_size); for (i = 0; i < block_num; i++) { - ret = mt7915_mcu_get_eeprom(dev, i * eeprom_blk_size); + ret = mt7915_mcu_get_eeprom(dev, i * eeprom_blk_size, NULL); if (ret < 0) return ret; } @@ -170,8 +175,20 @@ static void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy) phy->mt76->cap.has_6ghz = true; return; case MT_EE_V2_BAND_SEL_5GHZ_6GHZ: - phy->mt76->cap.has_5ghz = true; - phy->mt76->cap.has_6ghz = true; + if (enable_6ghz) { + phy->mt76->cap.has_6ghz = true; + u8p_replace_bits(&eeprom[MT_EE_WIFI_CONF + band], + MT_EE_V2_BAND_SEL_6GHZ, + MT_EE_WIFI_CONF0_BAND_SEL); + } else { + phy->mt76->cap.has_5ghz = true; + u8p_replace_bits(&eeprom[MT_EE_WIFI_CONF + band], + MT_EE_V2_BAND_SEL_5GHZ, + MT_EE_WIFI_CONF0_BAND_SEL); + } + /* force to buffer mode */ + dev->flash_mode = true; + return; default: phy->mt76->cap.has_2ghz = true; @@ -344,6 +361,37 @@ s8 mt7915_eeprom_get_power_delta(struct mt7915_dev *dev, int band) return val & MT_EE_RATE_DELTA_SIGN ? delta : -delta; } +bool +mt7915_eeprom_has_background_radar(struct mt7915_dev *dev) +{ + u8 val, buf[MT7915_EEPROM_BLOCK_SIZE]; + u8 band_sel, tx_path, rx_path; + int offs = MT_EE_WIFI_CONF + 1; + + switch (mt76_chip(&dev->mt76)) { + case 0x7915: + return true; + case 0x7906: + /* read efuse to check background radar capability */ + if (mt7915_mcu_get_eeprom(dev, offs, buf)) + break; + + val = buf[offs % MT7915_EEPROM_BLOCK_SIZE]; + band_sel = u8_get_bits(val, MT_EE_WIFI_CONF0_BAND_SEL); + tx_path = u8_get_bits(val, MT_EE_WIFI_CONF0_TX_PATH); + rx_path = u8_get_bits(val, MT_EE_WIFI_CONF0_RX_PATH); + + return (band_sel == MT_EE_V2_BAND_SEL_5GHZ && + tx_path == rx_path && rx_path == 2); + case 0x7981: + case 0x7986: + default: + break; + } + + return false; +} + const u8 mt7915_sku_group_len[] = { [SKU_CCK] = 4, [SKU_OFDM] = 8, |