diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h b/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h new file mode 100644 index 000000000000..b3ec74835d10 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h @@ -0,0 +1,192 @@ +/* + * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef __MT76x02_EEPROM_H +#define __MT76x02_EEPROM_H + +#include "mt76x02.h" + +enum mt76x02_eeprom_field { + MT_EE_CHIP_ID = 0x000, + MT_EE_VERSION = 0x002, + MT_EE_MAC_ADDR = 0x004, + MT_EE_PCI_ID = 0x00A, + MT_EE_NIC_CONF_0 = 0x034, + MT_EE_NIC_CONF_1 = 0x036, + MT_EE_COUNTRY_REGION_5GHZ = 0x038, + MT_EE_COUNTRY_REGION_2GHZ = 0x039, + MT_EE_FREQ_OFFSET = 0x03a, + MT_EE_NIC_CONF_2 = 0x042, + + MT_EE_XTAL_TRIM_1 = 0x03a, + MT_EE_XTAL_TRIM_2 = 0x09e, + + MT_EE_LNA_GAIN = 0x044, + MT_EE_RSSI_OFFSET_2G_0 = 0x046, + MT_EE_RSSI_OFFSET_2G_1 = 0x048, + MT_EE_LNA_GAIN_5GHZ_1 = 0x049, + MT_EE_RSSI_OFFSET_5G_0 = 0x04a, + MT_EE_RSSI_OFFSET_5G_1 = 0x04c, + MT_EE_LNA_GAIN_5GHZ_2 = 0x04d, + + MT_EE_TX_POWER_DELTA_BW40 = 0x050, + MT_EE_TX_POWER_DELTA_BW80 = 0x052, + + MT_EE_TX_POWER_EXT_PA_5G = 0x054, + + MT_EE_TX_POWER_0_START_2G = 0x056, + MT_EE_TX_POWER_1_START_2G = 0x05c, + + /* used as byte arrays */ +#define MT_TX_POWER_GROUP_SIZE_5G 5 +#define MT_TX_POWER_GROUPS_5G 6 + MT_EE_TX_POWER_0_START_5G = 0x062, + + MT_EE_TX_POWER_0_GRP3_TX_POWER_DELTA = 0x074, + MT_EE_TX_POWER_0_GRP4_TSSI_SLOPE = 0x076, + + MT_EE_TX_POWER_1_START_5G = 0x080, + + MT_EE_TX_POWER_CCK = 0x0a0, + MT_EE_TX_POWER_OFDM_2G_6M = 0x0a2, + MT_EE_TX_POWER_OFDM_2G_24M = 0x0a4, + MT_EE_TX_POWER_OFDM_5G_6M = 0x0b2, + MT_EE_TX_POWER_OFDM_5G_24M = 0x0b4, + MT_EE_TX_POWER_HT_MCS0 = 0x0a6, + MT_EE_TX_POWER_HT_MCS4 = 0x0a8, + MT_EE_TX_POWER_HT_MCS8 = 0x0aa, + MT_EE_TX_POWER_HT_MCS12 = 0x0ac, + MT_EE_TX_POWER_VHT_MCS0 = 0x0ba, + MT_EE_TX_POWER_VHT_MCS4 = 0x0bc, + MT_EE_TX_POWER_VHT_MCS8 = 0x0be, + + MT_EE_2G_TARGET_POWER = 0x0d0, + MT_EE_TEMP_OFFSET = 0x0d1, + MT_EE_5G_TARGET_POWER = 0x0d2, + MT_EE_TSSI_BOUND1 = 0x0d4, + MT_EE_TSSI_BOUND2 = 0x0d6, + MT_EE_TSSI_BOUND3 = 0x0d8, + MT_EE_TSSI_BOUND4 = 0x0da, + MT_EE_FREQ_OFFSET_COMPENSATION = 0x0db, + MT_EE_TSSI_BOUND5 = 0x0dc, + MT_EE_TX_POWER_BYRATE_BASE = 0x0de, + + MT_EE_RF_TEMP_COMP_SLOPE_5G = 0x0f2, + MT_EE_RF_TEMP_COMP_SLOPE_2G = 0x0f4, + + MT_EE_RF_2G_TSSI_OFF_TXPOWER = 0x0f6, + MT_EE_RF_2G_RX_HIGH_GAIN = 0x0f8, + MT_EE_RF_5G_GRP0_1_RX_HIGH_GAIN = 0x0fa, + MT_EE_RF_5G_GRP2_3_RX_HIGH_GAIN = 0x0fc, + MT_EE_RF_5G_GRP4_5_RX_HIGH_GAIN = 0x0fe, + + MT_EE_BT_RCAL_RESULT = 0x138, + MT_EE_BT_VCDL_CALIBRATION = 0x13c, + MT_EE_BT_PMUCFG = 0x13e, + + MT_EE_USAGE_MAP_START = 0x1e0, + MT_EE_USAGE_MAP_END = 0x1fc, + + __MT_EE_MAX +}; + +#define MT_EE_NIC_CONF_0_RX_PATH GENMASK(3, 0) +#define MT_EE_NIC_CONF_0_TX_PATH GENMASK(7, 4) +#define MT_EE_NIC_CONF_0_PA_TYPE GENMASK(9, 8) +#define MT_EE_NIC_CONF_0_PA_INT_2G BIT(8) +#define MT_EE_NIC_CONF_0_PA_INT_5G BIT(9) +#define MT_EE_NIC_CONF_0_PA_IO_CURRENT BIT(10) +#define MT_EE_NIC_CONF_0_BOARD_TYPE GENMASK(13, 12) + +#define MT_EE_NIC_CONF_1_HW_RF_CTRL BIT(0) +#define MT_EE_NIC_CONF_1_TEMP_TX_ALC BIT(1) +#define MT_EE_NIC_CONF_1_LNA_EXT_2G BIT(2) +#define MT_EE_NIC_CONF_1_LNA_EXT_5G BIT(3) +#define MT_EE_NIC_CONF_1_TX_ALC_EN BIT(13) + +#define MT_EE_NIC_CONF_2_RX_STREAM GENMASK(3, 0) +#define MT_EE_NIC_CONF_2_TX_STREAM GENMASK(7, 4) +#define MT_EE_NIC_CONF_2_HW_ANTDIV BIT(8) +#define MT_EE_NIC_CONF_2_XTAL_OPTION GENMASK(10, 9) +#define MT_EE_NIC_CONF_2_TEMP_DISABLE BIT(11) +#define MT_EE_NIC_CONF_2_COEX_METHOD GENMASK(15, 13) + +#define MT_EFUSE_USAGE_MAP_SIZE (MT_EE_USAGE_MAP_END - \ + MT_EE_USAGE_MAP_START + 1) + +enum mt76x02_eeprom_modes { + MT_EE_READ, + MT_EE_PHYSICAL_READ, +}; + +enum mt76x02_board_type { + BOARD_TYPE_2GHZ = 1, + BOARD_TYPE_5GHZ = 2, +}; + +static inline bool mt76x02_field_valid(u8 val) +{ + return val != 0 && val != 0xff; +} + +static inline int +mt76x02_sign_extend(u32 val, unsigned int size) +{ + bool sign = val & BIT(size - 1); + + val &= BIT(size - 1) - 1; + + return sign ? val : -val; +} + +static inline int +mt76x02_sign_extend_optional(u32 val, unsigned int size) +{ + bool enable = val & BIT(size); + + return enable ? mt76x02_sign_extend(val, size) : 0; +} + +static inline s8 mt76x02_rate_power_val(u8 val) +{ + if (!mt76x02_field_valid(val)) + return 0; + + return mt76x02_sign_extend_optional(val, 7); +} + +static inline int +mt76x02_eeprom_get(struct mt76x02_dev *dev, + enum mt76x02_eeprom_field field) +{ + if ((field & 1) || field >= __MT_EE_MAX) + return -1; + + return get_unaligned_le16(dev->mt76.eeprom.data + field); +} + +bool mt76x02_ext_pa_enabled(struct mt76x02_dev *dev, enum nl80211_band band); +int mt76x02_get_efuse_data(struct mt76x02_dev *dev, u16 base, void *buf, + int len, enum mt76x02_eeprom_modes mode); +void mt76x02_get_rx_gain(struct mt76x02_dev *dev, enum nl80211_band band, + u16 *rssi_offset, s8 *lna_2g, s8 *lna_5g); +u8 mt76x02_get_lna_gain(struct mt76x02_dev *dev, + s8 *lna_2g, s8 *lna_5g, + struct ieee80211_channel *chan); +void mt76x02_eeprom_parse_hw_cap(struct mt76x02_dev *dev); + +#endif /* __MT76x02_EEPROM_H */ |