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/*
* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
*
* 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 __MT76x2_EEPROM_H
#define __MT76x2_EEPROM_H
#include "mt76x2.h"
enum mt76x2_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_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_RSSI_OFFSET_5G_0 = 0x04a,
MT_EE_RSSI_OFFSET_5G_1 = 0x04c,
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_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_MAX
};
#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_BOARD_TYPE GENMASK(13, 12)
#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)
enum mt76x2_board_type {
BOARD_TYPE_2GHZ = 1,
BOARD_TYPE_5GHZ = 2,
};
enum mt76x2_cal_channel_group {
MT_CH_5G_JAPAN,
MT_CH_5G_UNII_1,
MT_CH_5G_UNII_2,
MT_CH_5G_UNII_2E_1,
MT_CH_5G_UNII_2E_2,
MT_CH_5G_UNII_3,
__MT_CH_MAX
};
struct mt76x2_tx_power_info {
u8 target_power;
s8 delta_bw40;
s8 delta_bw80;
struct {
s8 tssi_slope;
s8 tssi_offset;
s8 target_power;
s8 delta;
} chain[MT_MAX_CHAINS];
};
struct mt76x2_temp_comp {
u8 temp_25_ref;
int lower_bound; /* J */
int upper_bound; /* J */
unsigned int high_slope; /* J / dB */
unsigned int low_slope; /* J / dB */
};
static inline int
mt76x2_eeprom_get(struct mt76x2_dev *dev, enum mt76x2_eeprom_field field)
{
if ((field & 1) || field >= __MT_EE_MAX)
return -1;
return get_unaligned_le16(dev->mt76.eeprom.data + field);
}
void mt76x2_get_rate_power(struct mt76x2_dev *dev, struct mt76_rate_power *t,
struct ieee80211_channel *chan);
int mt76x2_get_max_rate_power(struct mt76_rate_power *r);
void mt76x2_get_power_info(struct mt76x2_dev *dev,
struct mt76x2_tx_power_info *t,
struct ieee80211_channel *chan);
int mt76x2_get_temp_comp(struct mt76x2_dev *dev, struct mt76x2_temp_comp *t);
bool mt76x2_ext_pa_enabled(struct mt76x2_dev *dev, enum nl80211_band band);
void mt76x2_read_rx_gain(struct mt76x2_dev *dev);
void mt76x2_eeprom_parse_hw_cap(struct mt76x2_dev *dev);
static inline bool
mt76x2_temp_tx_alc_enabled(struct mt76x2_dev *dev)
{
u16 val;
val = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_EXT_PA_5G);
if (!(val & BIT(15)))
return false;
return mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_1) &
MT_EE_NIC_CONF_1_TEMP_TX_ALC;
}
static inline bool
mt76x2_tssi_enabled(struct mt76x2_dev *dev)
{
return !mt76x2_temp_tx_alc_enabled(dev) &&
(mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_1) &
MT_EE_NIC_CONF_1_TX_ALC_EN);
}
static inline bool
mt76x2_has_ext_lna(struct mt76x2_dev *dev)
{
u32 val = mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_1);
if (dev->mt76.chandef.chan->band == NL80211_BAND_2GHZ)
return val & MT_EE_NIC_CONF_1_LNA_EXT_2G;
else
return val & MT_EE_NIC_CONF_1_LNA_EXT_5G;
}
#endif
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