11613c621SLorenzo Bianconi /* 21613c621SLorenzo Bianconi * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> 31613c621SLorenzo Bianconi * 41613c621SLorenzo Bianconi * Permission to use, copy, modify, and/or distribute this software for any 51613c621SLorenzo Bianconi * purpose with or without fee is hereby granted, provided that the above 61613c621SLorenzo Bianconi * copyright notice and this permission notice appear in all copies. 71613c621SLorenzo Bianconi * 81613c621SLorenzo Bianconi * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 91613c621SLorenzo Bianconi * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 101613c621SLorenzo Bianconi * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 111613c621SLorenzo Bianconi * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 121613c621SLorenzo Bianconi * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 131613c621SLorenzo Bianconi * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 141613c621SLorenzo Bianconi * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 151613c621SLorenzo Bianconi */ 161613c621SLorenzo Bianconi 171613c621SLorenzo Bianconi #include <linux/module.h> 181613c621SLorenzo Bianconi #include <asm/unaligned.h> 191613c621SLorenzo Bianconi #include "mt76x2.h" 201613c621SLorenzo Bianconi #include "eeprom.h" 211613c621SLorenzo Bianconi 221613c621SLorenzo Bianconi #define EE_FIELD(_name, _value) [MT_EE_##_name] = (_value) | 1 231613c621SLorenzo Bianconi 241613c621SLorenzo Bianconi static int 25e40803f2SLorenzo Bianconi mt76x2_eeprom_copy(struct mt76x02_dev *dev, enum mt76x02_eeprom_field field, 261613c621SLorenzo Bianconi void *dest, int len) 271613c621SLorenzo Bianconi { 281613c621SLorenzo Bianconi if (field + len > dev->mt76.eeprom.size) 291613c621SLorenzo Bianconi return -1; 301613c621SLorenzo Bianconi 311613c621SLorenzo Bianconi memcpy(dest, dev->mt76.eeprom.data + field, len); 321613c621SLorenzo Bianconi return 0; 331613c621SLorenzo Bianconi } 341613c621SLorenzo Bianconi 351613c621SLorenzo Bianconi static int 36e40803f2SLorenzo Bianconi mt76x2_eeprom_get_macaddr(struct mt76x02_dev *dev) 371613c621SLorenzo Bianconi { 381613c621SLorenzo Bianconi void *src = dev->mt76.eeprom.data + MT_EE_MAC_ADDR; 391613c621SLorenzo Bianconi 401613c621SLorenzo Bianconi memcpy(dev->mt76.macaddr, src, ETH_ALEN); 411613c621SLorenzo Bianconi return 0; 421613c621SLorenzo Bianconi } 431613c621SLorenzo Bianconi 441613c621SLorenzo Bianconi static bool 45e40803f2SLorenzo Bianconi mt76x2_has_cal_free_data(struct mt76x02_dev *dev, u8 *efuse) 461613c621SLorenzo Bianconi { 471613c621SLorenzo Bianconi u16 *efuse_w = (u16 *) efuse; 481613c621SLorenzo Bianconi 491613c621SLorenzo Bianconi if (efuse_w[MT_EE_NIC_CONF_0] != 0) 501613c621SLorenzo Bianconi return false; 511613c621SLorenzo Bianconi 521613c621SLorenzo Bianconi if (efuse_w[MT_EE_XTAL_TRIM_1] == 0xffff) 531613c621SLorenzo Bianconi return false; 541613c621SLorenzo Bianconi 551613c621SLorenzo Bianconi if (efuse_w[MT_EE_TX_POWER_DELTA_BW40] != 0) 561613c621SLorenzo Bianconi return false; 571613c621SLorenzo Bianconi 581613c621SLorenzo Bianconi if (efuse_w[MT_EE_TX_POWER_0_START_2G] == 0xffff) 591613c621SLorenzo Bianconi return false; 601613c621SLorenzo Bianconi 611613c621SLorenzo Bianconi if (efuse_w[MT_EE_TX_POWER_0_GRP3_TX_POWER_DELTA] != 0) 621613c621SLorenzo Bianconi return false; 631613c621SLorenzo Bianconi 641613c621SLorenzo Bianconi if (efuse_w[MT_EE_TX_POWER_0_GRP4_TSSI_SLOPE] == 0xffff) 651613c621SLorenzo Bianconi return false; 661613c621SLorenzo Bianconi 671613c621SLorenzo Bianconi return true; 681613c621SLorenzo Bianconi } 691613c621SLorenzo Bianconi 701613c621SLorenzo Bianconi static void 71e40803f2SLorenzo Bianconi mt76x2_apply_cal_free_data(struct mt76x02_dev *dev, u8 *efuse) 721613c621SLorenzo Bianconi { 731613c621SLorenzo Bianconi #define GROUP_5G(_id) \ 741613c621SLorenzo Bianconi MT_EE_TX_POWER_0_START_5G + MT_TX_POWER_GROUP_SIZE_5G * (_id), \ 751613c621SLorenzo Bianconi MT_EE_TX_POWER_0_START_5G + MT_TX_POWER_GROUP_SIZE_5G * (_id) + 1, \ 761613c621SLorenzo Bianconi MT_EE_TX_POWER_1_START_5G + MT_TX_POWER_GROUP_SIZE_5G * (_id), \ 771613c621SLorenzo Bianconi MT_EE_TX_POWER_1_START_5G + MT_TX_POWER_GROUP_SIZE_5G * (_id) + 1 781613c621SLorenzo Bianconi 791613c621SLorenzo Bianconi static const u8 cal_free_bytes[] = { 801613c621SLorenzo Bianconi MT_EE_XTAL_TRIM_1, 811613c621SLorenzo Bianconi MT_EE_TX_POWER_EXT_PA_5G + 1, 821613c621SLorenzo Bianconi MT_EE_TX_POWER_0_START_2G, 831613c621SLorenzo Bianconi MT_EE_TX_POWER_0_START_2G + 1, 841613c621SLorenzo Bianconi MT_EE_TX_POWER_1_START_2G, 851613c621SLorenzo Bianconi MT_EE_TX_POWER_1_START_2G + 1, 861613c621SLorenzo Bianconi GROUP_5G(0), 871613c621SLorenzo Bianconi GROUP_5G(1), 881613c621SLorenzo Bianconi GROUP_5G(2), 891613c621SLorenzo Bianconi GROUP_5G(3), 901613c621SLorenzo Bianconi GROUP_5G(4), 911613c621SLorenzo Bianconi GROUP_5G(5), 921613c621SLorenzo Bianconi MT_EE_RF_2G_TSSI_OFF_TXPOWER, 931613c621SLorenzo Bianconi MT_EE_RF_2G_RX_HIGH_GAIN + 1, 941613c621SLorenzo Bianconi MT_EE_RF_5G_GRP0_1_RX_HIGH_GAIN, 951613c621SLorenzo Bianconi MT_EE_RF_5G_GRP0_1_RX_HIGH_GAIN + 1, 961613c621SLorenzo Bianconi MT_EE_RF_5G_GRP2_3_RX_HIGH_GAIN, 971613c621SLorenzo Bianconi MT_EE_RF_5G_GRP2_3_RX_HIGH_GAIN + 1, 981613c621SLorenzo Bianconi MT_EE_RF_5G_GRP4_5_RX_HIGH_GAIN, 991613c621SLorenzo Bianconi MT_EE_RF_5G_GRP4_5_RX_HIGH_GAIN + 1, 1001613c621SLorenzo Bianconi }; 1011613c621SLorenzo Bianconi u8 *eeprom = dev->mt76.eeprom.data; 1021613c621SLorenzo Bianconi u8 prev_grp0[4] = { 1031613c621SLorenzo Bianconi eeprom[MT_EE_TX_POWER_0_START_5G], 1041613c621SLorenzo Bianconi eeprom[MT_EE_TX_POWER_0_START_5G + 1], 1051613c621SLorenzo Bianconi eeprom[MT_EE_TX_POWER_1_START_5G], 1061613c621SLorenzo Bianconi eeprom[MT_EE_TX_POWER_1_START_5G + 1] 1071613c621SLorenzo Bianconi }; 1081613c621SLorenzo Bianconi u16 val; 1091613c621SLorenzo Bianconi int i; 1101613c621SLorenzo Bianconi 1111613c621SLorenzo Bianconi if (!mt76x2_has_cal_free_data(dev, efuse)) 1121613c621SLorenzo Bianconi return; 1131613c621SLorenzo Bianconi 1141613c621SLorenzo Bianconi for (i = 0; i < ARRAY_SIZE(cal_free_bytes); i++) { 1151613c621SLorenzo Bianconi int offset = cal_free_bytes[i]; 1161613c621SLorenzo Bianconi 1171613c621SLorenzo Bianconi eeprom[offset] = efuse[offset]; 1181613c621SLorenzo Bianconi } 1191613c621SLorenzo Bianconi 1201613c621SLorenzo Bianconi if (!(efuse[MT_EE_TX_POWER_0_START_5G] | 1211613c621SLorenzo Bianconi efuse[MT_EE_TX_POWER_0_START_5G + 1])) 1221613c621SLorenzo Bianconi memcpy(eeprom + MT_EE_TX_POWER_0_START_5G, prev_grp0, 2); 1231613c621SLorenzo Bianconi if (!(efuse[MT_EE_TX_POWER_1_START_5G] | 1241613c621SLorenzo Bianconi efuse[MT_EE_TX_POWER_1_START_5G + 1])) 1251613c621SLorenzo Bianconi memcpy(eeprom + MT_EE_TX_POWER_1_START_5G, prev_grp0 + 2, 2); 1261613c621SLorenzo Bianconi 1271613c621SLorenzo Bianconi val = get_unaligned_le16(efuse + MT_EE_BT_RCAL_RESULT); 1281613c621SLorenzo Bianconi if (val != 0xffff) 1291613c621SLorenzo Bianconi eeprom[MT_EE_BT_RCAL_RESULT] = val & 0xff; 1301613c621SLorenzo Bianconi 1311613c621SLorenzo Bianconi val = get_unaligned_le16(efuse + MT_EE_BT_VCDL_CALIBRATION); 1321613c621SLorenzo Bianconi if (val != 0xffff) 1331613c621SLorenzo Bianconi eeprom[MT_EE_BT_VCDL_CALIBRATION + 1] = val >> 8; 1341613c621SLorenzo Bianconi 1351613c621SLorenzo Bianconi val = get_unaligned_le16(efuse + MT_EE_BT_PMUCFG); 1361613c621SLorenzo Bianconi if (val != 0xffff) 1371613c621SLorenzo Bianconi eeprom[MT_EE_BT_PMUCFG] = val & 0xff; 1381613c621SLorenzo Bianconi } 1391613c621SLorenzo Bianconi 140e40803f2SLorenzo Bianconi static int mt76x2_check_eeprom(struct mt76x02_dev *dev) 1411613c621SLorenzo Bianconi { 1421613c621SLorenzo Bianconi u16 val = get_unaligned_le16(dev->mt76.eeprom.data); 1431613c621SLorenzo Bianconi 1441613c621SLorenzo Bianconi if (!val) 1451613c621SLorenzo Bianconi val = get_unaligned_le16(dev->mt76.eeprom.data + MT_EE_PCI_ID); 1461613c621SLorenzo Bianconi 1471613c621SLorenzo Bianconi switch (val) { 1481613c621SLorenzo Bianconi case 0x7662: 1491613c621SLorenzo Bianconi case 0x7612: 1501613c621SLorenzo Bianconi return 0; 1511613c621SLorenzo Bianconi default: 1521613c621SLorenzo Bianconi dev_err(dev->mt76.dev, "EEPROM data check failed: %04x\n", val); 1531613c621SLorenzo Bianconi return -EINVAL; 1541613c621SLorenzo Bianconi } 1551613c621SLorenzo Bianconi } 1561613c621SLorenzo Bianconi 1571613c621SLorenzo Bianconi static int 158e40803f2SLorenzo Bianconi mt76x2_eeprom_load(struct mt76x02_dev *dev) 1591613c621SLorenzo Bianconi { 1601613c621SLorenzo Bianconi void *efuse; 1611613c621SLorenzo Bianconi bool found; 1621613c621SLorenzo Bianconi int ret; 1631613c621SLorenzo Bianconi 1641613c621SLorenzo Bianconi ret = mt76_eeprom_init(&dev->mt76, MT7662_EEPROM_SIZE); 1651613c621SLorenzo Bianconi if (ret < 0) 1661613c621SLorenzo Bianconi return ret; 1671613c621SLorenzo Bianconi 1681613c621SLorenzo Bianconi found = ret; 1691613c621SLorenzo Bianconi if (found) 1701613c621SLorenzo Bianconi found = !mt76x2_check_eeprom(dev); 1711613c621SLorenzo Bianconi 1721613c621SLorenzo Bianconi dev->mt76.otp.data = devm_kzalloc(dev->mt76.dev, MT7662_EEPROM_SIZE, 1731613c621SLorenzo Bianconi GFP_KERNEL); 1741613c621SLorenzo Bianconi dev->mt76.otp.size = MT7662_EEPROM_SIZE; 1751613c621SLorenzo Bianconi if (!dev->mt76.otp.data) 1761613c621SLorenzo Bianconi return -ENOMEM; 1771613c621SLorenzo Bianconi 1781613c621SLorenzo Bianconi efuse = dev->mt76.otp.data; 1791613c621SLorenzo Bianconi 18026a9daa6SLorenzo Bianconi if (mt76x02_get_efuse_data(dev, 0, efuse, MT7662_EEPROM_SIZE, 18126a9daa6SLorenzo Bianconi MT_EE_READ)) 1821613c621SLorenzo Bianconi goto out; 1831613c621SLorenzo Bianconi 1841613c621SLorenzo Bianconi if (found) { 1851613c621SLorenzo Bianconi mt76x2_apply_cal_free_data(dev, efuse); 1861613c621SLorenzo Bianconi } else { 1871613c621SLorenzo Bianconi /* FIXME: check if efuse data is complete */ 1881613c621SLorenzo Bianconi found = true; 1891613c621SLorenzo Bianconi memcpy(dev->mt76.eeprom.data, efuse, MT7662_EEPROM_SIZE); 1901613c621SLorenzo Bianconi } 1911613c621SLorenzo Bianconi 1921613c621SLorenzo Bianconi out: 1931613c621SLorenzo Bianconi if (!found) 1941613c621SLorenzo Bianconi return -ENOENT; 1951613c621SLorenzo Bianconi 1961613c621SLorenzo Bianconi return 0; 1971613c621SLorenzo Bianconi } 1981613c621SLorenzo Bianconi 1991613c621SLorenzo Bianconi static void 200e40803f2SLorenzo Bianconi mt76x2_set_rx_gain_group(struct mt76x02_dev *dev, u8 val) 2011613c621SLorenzo Bianconi { 2021613c621SLorenzo Bianconi s8 *dest = dev->cal.rx.high_gain; 2031613c621SLorenzo Bianconi 2041613c621SLorenzo Bianconi if (!mt76x02_field_valid(val)) { 2051613c621SLorenzo Bianconi dest[0] = 0; 2061613c621SLorenzo Bianconi dest[1] = 0; 2071613c621SLorenzo Bianconi return; 2081613c621SLorenzo Bianconi } 2091613c621SLorenzo Bianconi 2101613c621SLorenzo Bianconi dest[0] = mt76x02_sign_extend(val, 4); 2111613c621SLorenzo Bianconi dest[1] = mt76x02_sign_extend(val >> 4, 4); 2121613c621SLorenzo Bianconi } 2131613c621SLorenzo Bianconi 2141613c621SLorenzo Bianconi static void 215e40803f2SLorenzo Bianconi mt76x2_set_rssi_offset(struct mt76x02_dev *dev, int chain, u8 val) 2161613c621SLorenzo Bianconi { 2171613c621SLorenzo Bianconi s8 *dest = dev->cal.rx.rssi_offset; 2181613c621SLorenzo Bianconi 2191613c621SLorenzo Bianconi if (!mt76x02_field_valid(val)) { 2201613c621SLorenzo Bianconi dest[chain] = 0; 2211613c621SLorenzo Bianconi return; 2221613c621SLorenzo Bianconi } 2231613c621SLorenzo Bianconi 2241613c621SLorenzo Bianconi dest[chain] = mt76x02_sign_extend_optional(val, 7); 2251613c621SLorenzo Bianconi } 2261613c621SLorenzo Bianconi 2271613c621SLorenzo Bianconi static enum mt76x2_cal_channel_group 2281613c621SLorenzo Bianconi mt76x2_get_cal_channel_group(int channel) 2291613c621SLorenzo Bianconi { 2301613c621SLorenzo Bianconi if (channel >= 184 && channel <= 196) 2311613c621SLorenzo Bianconi return MT_CH_5G_JAPAN; 2321613c621SLorenzo Bianconi if (channel <= 48) 2331613c621SLorenzo Bianconi return MT_CH_5G_UNII_1; 2341613c621SLorenzo Bianconi if (channel <= 64) 2351613c621SLorenzo Bianconi return MT_CH_5G_UNII_2; 2361613c621SLorenzo Bianconi if (channel <= 114) 2371613c621SLorenzo Bianconi return MT_CH_5G_UNII_2E_1; 2381613c621SLorenzo Bianconi if (channel <= 144) 2391613c621SLorenzo Bianconi return MT_CH_5G_UNII_2E_2; 2401613c621SLorenzo Bianconi return MT_CH_5G_UNII_3; 2411613c621SLorenzo Bianconi } 2421613c621SLorenzo Bianconi 2431613c621SLorenzo Bianconi static u8 244e40803f2SLorenzo Bianconi mt76x2_get_5g_rx_gain(struct mt76x02_dev *dev, u8 channel) 2451613c621SLorenzo Bianconi { 2461613c621SLorenzo Bianconi enum mt76x2_cal_channel_group group; 2471613c621SLorenzo Bianconi 2481613c621SLorenzo Bianconi group = mt76x2_get_cal_channel_group(channel); 2491613c621SLorenzo Bianconi switch (group) { 2501613c621SLorenzo Bianconi case MT_CH_5G_JAPAN: 25126a9daa6SLorenzo Bianconi return mt76x02_eeprom_get(dev, 2521613c621SLorenzo Bianconi MT_EE_RF_5G_GRP0_1_RX_HIGH_GAIN); 2531613c621SLorenzo Bianconi case MT_CH_5G_UNII_1: 25426a9daa6SLorenzo Bianconi return mt76x02_eeprom_get(dev, 2551613c621SLorenzo Bianconi MT_EE_RF_5G_GRP0_1_RX_HIGH_GAIN) >> 8; 2561613c621SLorenzo Bianconi case MT_CH_5G_UNII_2: 25726a9daa6SLorenzo Bianconi return mt76x02_eeprom_get(dev, 2581613c621SLorenzo Bianconi MT_EE_RF_5G_GRP2_3_RX_HIGH_GAIN); 2591613c621SLorenzo Bianconi case MT_CH_5G_UNII_2E_1: 26026a9daa6SLorenzo Bianconi return mt76x02_eeprom_get(dev, 2611613c621SLorenzo Bianconi MT_EE_RF_5G_GRP2_3_RX_HIGH_GAIN) >> 8; 2621613c621SLorenzo Bianconi case MT_CH_5G_UNII_2E_2: 26326a9daa6SLorenzo Bianconi return mt76x02_eeprom_get(dev, 2641613c621SLorenzo Bianconi MT_EE_RF_5G_GRP4_5_RX_HIGH_GAIN); 2651613c621SLorenzo Bianconi default: 26626a9daa6SLorenzo Bianconi return mt76x02_eeprom_get(dev, 2671613c621SLorenzo Bianconi MT_EE_RF_5G_GRP4_5_RX_HIGH_GAIN) >> 8; 2681613c621SLorenzo Bianconi } 2691613c621SLorenzo Bianconi } 2701613c621SLorenzo Bianconi 271e40803f2SLorenzo Bianconi void mt76x2_read_rx_gain(struct mt76x02_dev *dev) 2721613c621SLorenzo Bianconi { 2731613c621SLorenzo Bianconi struct ieee80211_channel *chan = dev->mt76.chandef.chan; 2741613c621SLorenzo Bianconi int channel = chan->hw_value; 2751613c621SLorenzo Bianconi s8 lna_5g[3], lna_2g; 2761613c621SLorenzo Bianconi u8 lna; 2771613c621SLorenzo Bianconi u16 val; 2781613c621SLorenzo Bianconi 2791613c621SLorenzo Bianconi if (chan->band == NL80211_BAND_2GHZ) 28026a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_RF_2G_RX_HIGH_GAIN) >> 8; 2811613c621SLorenzo Bianconi else 2821613c621SLorenzo Bianconi val = mt76x2_get_5g_rx_gain(dev, channel); 2831613c621SLorenzo Bianconi 2841613c621SLorenzo Bianconi mt76x2_set_rx_gain_group(dev, val); 2851613c621SLorenzo Bianconi 28626a9daa6SLorenzo Bianconi mt76x02_get_rx_gain(dev, chan->band, &val, &lna_2g, lna_5g); 2871613c621SLorenzo Bianconi mt76x2_set_rssi_offset(dev, 0, val); 2881613c621SLorenzo Bianconi mt76x2_set_rssi_offset(dev, 1, val >> 8); 2891613c621SLorenzo Bianconi 2901613c621SLorenzo Bianconi dev->cal.rx.mcu_gain = (lna_2g & 0xff); 2911613c621SLorenzo Bianconi dev->cal.rx.mcu_gain |= (lna_5g[0] & 0xff) << 8; 2921613c621SLorenzo Bianconi dev->cal.rx.mcu_gain |= (lna_5g[1] & 0xff) << 16; 2931613c621SLorenzo Bianconi dev->cal.rx.mcu_gain |= (lna_5g[2] & 0xff) << 24; 2941613c621SLorenzo Bianconi 29526a9daa6SLorenzo Bianconi lna = mt76x02_get_lna_gain(dev, &lna_2g, lna_5g, chan); 2961613c621SLorenzo Bianconi dev->cal.rx.lna_gain = mt76x02_sign_extend(lna, 8); 2971613c621SLorenzo Bianconi } 2981613c621SLorenzo Bianconi EXPORT_SYMBOL_GPL(mt76x2_read_rx_gain); 2991613c621SLorenzo Bianconi 300e40803f2SLorenzo Bianconi void mt76x2_get_rate_power(struct mt76x02_dev *dev, struct mt76_rate_power *t, 3011613c621SLorenzo Bianconi struct ieee80211_channel *chan) 3021613c621SLorenzo Bianconi { 3031613c621SLorenzo Bianconi bool is_5ghz; 3041613c621SLorenzo Bianconi u16 val; 3051613c621SLorenzo Bianconi 3061613c621SLorenzo Bianconi is_5ghz = chan->band == NL80211_BAND_5GHZ; 3071613c621SLorenzo Bianconi 3081613c621SLorenzo Bianconi memset(t, 0, sizeof(*t)); 3091613c621SLorenzo Bianconi 31026a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_CCK); 3111613c621SLorenzo Bianconi t->cck[0] = t->cck[1] = mt76x02_rate_power_val(val); 3121613c621SLorenzo Bianconi t->cck[2] = t->cck[3] = mt76x02_rate_power_val(val >> 8); 3131613c621SLorenzo Bianconi 3141613c621SLorenzo Bianconi if (is_5ghz) 31526a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_OFDM_5G_6M); 3161613c621SLorenzo Bianconi else 31726a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_OFDM_2G_6M); 3181613c621SLorenzo Bianconi t->ofdm[0] = t->ofdm[1] = mt76x02_rate_power_val(val); 3191613c621SLorenzo Bianconi t->ofdm[2] = t->ofdm[3] = mt76x02_rate_power_val(val >> 8); 3201613c621SLorenzo Bianconi 3211613c621SLorenzo Bianconi if (is_5ghz) 32226a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_OFDM_5G_24M); 3231613c621SLorenzo Bianconi else 32426a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_OFDM_2G_24M); 3251613c621SLorenzo Bianconi t->ofdm[4] = t->ofdm[5] = mt76x02_rate_power_val(val); 3261613c621SLorenzo Bianconi t->ofdm[6] = t->ofdm[7] = mt76x02_rate_power_val(val >> 8); 3271613c621SLorenzo Bianconi 32826a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_HT_MCS0); 3291613c621SLorenzo Bianconi t->ht[0] = t->ht[1] = mt76x02_rate_power_val(val); 3301613c621SLorenzo Bianconi t->ht[2] = t->ht[3] = mt76x02_rate_power_val(val >> 8); 3311613c621SLorenzo Bianconi 33226a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_HT_MCS4); 3331613c621SLorenzo Bianconi t->ht[4] = t->ht[5] = mt76x02_rate_power_val(val); 3341613c621SLorenzo Bianconi t->ht[6] = t->ht[7] = mt76x02_rate_power_val(val >> 8); 3351613c621SLorenzo Bianconi 33626a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_HT_MCS8); 3371613c621SLorenzo Bianconi t->ht[8] = t->ht[9] = mt76x02_rate_power_val(val); 3381613c621SLorenzo Bianconi t->ht[10] = t->ht[11] = mt76x02_rate_power_val(val >> 8); 3391613c621SLorenzo Bianconi 34026a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_HT_MCS12); 3411613c621SLorenzo Bianconi t->ht[12] = t->ht[13] = mt76x02_rate_power_val(val); 3421613c621SLorenzo Bianconi t->ht[14] = t->ht[15] = mt76x02_rate_power_val(val >> 8); 3431613c621SLorenzo Bianconi 34426a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_VHT_MCS0); 3451613c621SLorenzo Bianconi t->vht[0] = t->vht[1] = mt76x02_rate_power_val(val); 3461613c621SLorenzo Bianconi t->vht[2] = t->vht[3] = mt76x02_rate_power_val(val >> 8); 3471613c621SLorenzo Bianconi 34826a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_VHT_MCS4); 3491613c621SLorenzo Bianconi t->vht[4] = t->vht[5] = mt76x02_rate_power_val(val); 3501613c621SLorenzo Bianconi t->vht[6] = t->vht[7] = mt76x02_rate_power_val(val >> 8); 3511613c621SLorenzo Bianconi 35226a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_VHT_MCS8); 3531613c621SLorenzo Bianconi if (!is_5ghz) 3541613c621SLorenzo Bianconi val >>= 8; 3551613c621SLorenzo Bianconi t->vht[8] = t->vht[9] = mt76x02_rate_power_val(val >> 8); 3561613c621SLorenzo Bianconi 3571613c621SLorenzo Bianconi memcpy(t->stbc, t->ht, sizeof(t->stbc[0]) * 8); 3581613c621SLorenzo Bianconi t->stbc[8] = t->vht[8]; 3591613c621SLorenzo Bianconi t->stbc[9] = t->vht[9]; 3601613c621SLorenzo Bianconi } 3611613c621SLorenzo Bianconi EXPORT_SYMBOL_GPL(mt76x2_get_rate_power); 3621613c621SLorenzo Bianconi 3631613c621SLorenzo Bianconi static void 364e40803f2SLorenzo Bianconi mt76x2_get_power_info_2g(struct mt76x02_dev *dev, 365e40803f2SLorenzo Bianconi struct mt76x2_tx_power_info *t, 366e40803f2SLorenzo Bianconi struct ieee80211_channel *chan, 367e40803f2SLorenzo Bianconi int chain, int offset) 3681613c621SLorenzo Bianconi { 3691613c621SLorenzo Bianconi int channel = chan->hw_value; 3701613c621SLorenzo Bianconi int delta_idx; 3711613c621SLorenzo Bianconi u8 data[6]; 3721613c621SLorenzo Bianconi u16 val; 3731613c621SLorenzo Bianconi 3741613c621SLorenzo Bianconi if (channel < 6) 3751613c621SLorenzo Bianconi delta_idx = 3; 3761613c621SLorenzo Bianconi else if (channel < 11) 3771613c621SLorenzo Bianconi delta_idx = 4; 3781613c621SLorenzo Bianconi else 3791613c621SLorenzo Bianconi delta_idx = 5; 3801613c621SLorenzo Bianconi 3811613c621SLorenzo Bianconi mt76x2_eeprom_copy(dev, offset, data, sizeof(data)); 3821613c621SLorenzo Bianconi 3831613c621SLorenzo Bianconi t->chain[chain].tssi_slope = data[0]; 3841613c621SLorenzo Bianconi t->chain[chain].tssi_offset = data[1]; 3851613c621SLorenzo Bianconi t->chain[chain].target_power = data[2]; 3861613c621SLorenzo Bianconi t->chain[chain].delta = mt76x02_sign_extend_optional(data[delta_idx], 7); 3871613c621SLorenzo Bianconi 38826a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_RF_2G_TSSI_OFF_TXPOWER); 3891613c621SLorenzo Bianconi t->target_power = val >> 8; 3901613c621SLorenzo Bianconi } 3911613c621SLorenzo Bianconi 3921613c621SLorenzo Bianconi static void 393e40803f2SLorenzo Bianconi mt76x2_get_power_info_5g(struct mt76x02_dev *dev, 394e40803f2SLorenzo Bianconi struct mt76x2_tx_power_info *t, 395e40803f2SLorenzo Bianconi struct ieee80211_channel *chan, 396e40803f2SLorenzo Bianconi int chain, int offset) 3971613c621SLorenzo Bianconi { 3981613c621SLorenzo Bianconi int channel = chan->hw_value; 3991613c621SLorenzo Bianconi enum mt76x2_cal_channel_group group; 4001613c621SLorenzo Bianconi int delta_idx; 4011613c621SLorenzo Bianconi u16 val; 4021613c621SLorenzo Bianconi u8 data[5]; 4031613c621SLorenzo Bianconi 4041613c621SLorenzo Bianconi group = mt76x2_get_cal_channel_group(channel); 4051613c621SLorenzo Bianconi offset += group * MT_TX_POWER_GROUP_SIZE_5G; 4061613c621SLorenzo Bianconi 4071613c621SLorenzo Bianconi if (channel >= 192) 4081613c621SLorenzo Bianconi delta_idx = 4; 4091613c621SLorenzo Bianconi else if (channel >= 184) 4101613c621SLorenzo Bianconi delta_idx = 3; 4111613c621SLorenzo Bianconi else if (channel < 44) 4121613c621SLorenzo Bianconi delta_idx = 3; 4131613c621SLorenzo Bianconi else if (channel < 52) 4141613c621SLorenzo Bianconi delta_idx = 4; 4151613c621SLorenzo Bianconi else if (channel < 58) 4161613c621SLorenzo Bianconi delta_idx = 3; 4171613c621SLorenzo Bianconi else if (channel < 98) 4181613c621SLorenzo Bianconi delta_idx = 4; 4191613c621SLorenzo Bianconi else if (channel < 106) 4201613c621SLorenzo Bianconi delta_idx = 3; 4211613c621SLorenzo Bianconi else if (channel < 116) 4221613c621SLorenzo Bianconi delta_idx = 4; 4231613c621SLorenzo Bianconi else if (channel < 130) 4241613c621SLorenzo Bianconi delta_idx = 3; 4251613c621SLorenzo Bianconi else if (channel < 149) 4261613c621SLorenzo Bianconi delta_idx = 4; 4271613c621SLorenzo Bianconi else if (channel < 157) 4281613c621SLorenzo Bianconi delta_idx = 3; 4291613c621SLorenzo Bianconi else 4301613c621SLorenzo Bianconi delta_idx = 4; 4311613c621SLorenzo Bianconi 4321613c621SLorenzo Bianconi mt76x2_eeprom_copy(dev, offset, data, sizeof(data)); 4331613c621SLorenzo Bianconi 4341613c621SLorenzo Bianconi t->chain[chain].tssi_slope = data[0]; 4351613c621SLorenzo Bianconi t->chain[chain].tssi_offset = data[1]; 4361613c621SLorenzo Bianconi t->chain[chain].target_power = data[2]; 4371613c621SLorenzo Bianconi t->chain[chain].delta = mt76x02_sign_extend_optional(data[delta_idx], 7); 4381613c621SLorenzo Bianconi 43926a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_RF_2G_RX_HIGH_GAIN); 4401613c621SLorenzo Bianconi t->target_power = val & 0xff; 4411613c621SLorenzo Bianconi } 4421613c621SLorenzo Bianconi 443e40803f2SLorenzo Bianconi void mt76x2_get_power_info(struct mt76x02_dev *dev, 4441613c621SLorenzo Bianconi struct mt76x2_tx_power_info *t, 4451613c621SLorenzo Bianconi struct ieee80211_channel *chan) 4461613c621SLorenzo Bianconi { 4471613c621SLorenzo Bianconi u16 bw40, bw80; 4481613c621SLorenzo Bianconi 4491613c621SLorenzo Bianconi memset(t, 0, sizeof(*t)); 4501613c621SLorenzo Bianconi 45126a9daa6SLorenzo Bianconi bw40 = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_DELTA_BW40); 45226a9daa6SLorenzo Bianconi bw80 = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_DELTA_BW80); 4531613c621SLorenzo Bianconi 4541613c621SLorenzo Bianconi if (chan->band == NL80211_BAND_5GHZ) { 4551613c621SLorenzo Bianconi bw40 >>= 8; 4561613c621SLorenzo Bianconi mt76x2_get_power_info_5g(dev, t, chan, 0, 4571613c621SLorenzo Bianconi MT_EE_TX_POWER_0_START_5G); 4581613c621SLorenzo Bianconi mt76x2_get_power_info_5g(dev, t, chan, 1, 4591613c621SLorenzo Bianconi MT_EE_TX_POWER_1_START_5G); 4601613c621SLorenzo Bianconi } else { 4611613c621SLorenzo Bianconi mt76x2_get_power_info_2g(dev, t, chan, 0, 4621613c621SLorenzo Bianconi MT_EE_TX_POWER_0_START_2G); 4631613c621SLorenzo Bianconi mt76x2_get_power_info_2g(dev, t, chan, 1, 4641613c621SLorenzo Bianconi MT_EE_TX_POWER_1_START_2G); 4651613c621SLorenzo Bianconi } 4661613c621SLorenzo Bianconi 4674afeb396SLorenzo Bianconi if (mt76x2_tssi_enabled(dev) || 4681613c621SLorenzo Bianconi !mt76x02_field_valid(t->target_power)) 4691613c621SLorenzo Bianconi t->target_power = t->chain[0].target_power; 4701613c621SLorenzo Bianconi 4711613c621SLorenzo Bianconi t->delta_bw40 = mt76x02_rate_power_val(bw40); 4721613c621SLorenzo Bianconi t->delta_bw80 = mt76x02_rate_power_val(bw80); 4731613c621SLorenzo Bianconi } 4741613c621SLorenzo Bianconi EXPORT_SYMBOL_GPL(mt76x2_get_power_info); 4751613c621SLorenzo Bianconi 476e40803f2SLorenzo Bianconi int mt76x2_get_temp_comp(struct mt76x02_dev *dev, struct mt76x2_temp_comp *t) 4771613c621SLorenzo Bianconi { 4781613c621SLorenzo Bianconi enum nl80211_band band = dev->mt76.chandef.chan->band; 4791613c621SLorenzo Bianconi u16 val, slope; 4801613c621SLorenzo Bianconi u8 bounds; 4811613c621SLorenzo Bianconi 4821613c621SLorenzo Bianconi memset(t, 0, sizeof(*t)); 4831613c621SLorenzo Bianconi 4844afeb396SLorenzo Bianconi if (!mt76x2_temp_tx_alc_enabled(dev)) 4851613c621SLorenzo Bianconi return -EINVAL; 4861613c621SLorenzo Bianconi 48726a9daa6SLorenzo Bianconi if (!mt76x02_ext_pa_enabled(dev, band)) 4881613c621SLorenzo Bianconi return -EINVAL; 4891613c621SLorenzo Bianconi 49026a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_EXT_PA_5G) >> 8; 4911613c621SLorenzo Bianconi t->temp_25_ref = val & 0x7f; 4921613c621SLorenzo Bianconi if (band == NL80211_BAND_5GHZ) { 49326a9daa6SLorenzo Bianconi slope = mt76x02_eeprom_get(dev, MT_EE_RF_TEMP_COMP_SLOPE_5G); 49426a9daa6SLorenzo Bianconi bounds = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_EXT_PA_5G); 4951613c621SLorenzo Bianconi } else { 49626a9daa6SLorenzo Bianconi slope = mt76x02_eeprom_get(dev, MT_EE_RF_TEMP_COMP_SLOPE_2G); 49726a9daa6SLorenzo Bianconi bounds = mt76x02_eeprom_get(dev, 4981613c621SLorenzo Bianconi MT_EE_TX_POWER_DELTA_BW80) >> 8; 4991613c621SLorenzo Bianconi } 5001613c621SLorenzo Bianconi 5011613c621SLorenzo Bianconi t->high_slope = slope & 0xff; 5021613c621SLorenzo Bianconi t->low_slope = slope >> 8; 5031613c621SLorenzo Bianconi t->lower_bound = 0 - (bounds & 0xf); 5041613c621SLorenzo Bianconi t->upper_bound = (bounds >> 4) & 0xf; 5051613c621SLorenzo Bianconi 5061613c621SLorenzo Bianconi return 0; 5071613c621SLorenzo Bianconi } 5081613c621SLorenzo Bianconi EXPORT_SYMBOL_GPL(mt76x2_get_temp_comp); 5091613c621SLorenzo Bianconi 510e40803f2SLorenzo Bianconi int mt76x2_eeprom_init(struct mt76x02_dev *dev) 5111613c621SLorenzo Bianconi { 5121613c621SLorenzo Bianconi int ret; 5131613c621SLorenzo Bianconi 5141613c621SLorenzo Bianconi ret = mt76x2_eeprom_load(dev); 5151613c621SLorenzo Bianconi if (ret) 5161613c621SLorenzo Bianconi return ret; 5171613c621SLorenzo Bianconi 51826a9daa6SLorenzo Bianconi mt76x02_eeprom_parse_hw_cap(dev); 5191613c621SLorenzo Bianconi mt76x2_eeprom_get_macaddr(dev); 5201613c621SLorenzo Bianconi mt76_eeprom_override(&dev->mt76); 5211613c621SLorenzo Bianconi dev->mt76.macaddr[0] &= ~BIT(1); 5221613c621SLorenzo Bianconi 5231613c621SLorenzo Bianconi return 0; 5241613c621SLorenzo Bianconi } 5251613c621SLorenzo Bianconi EXPORT_SYMBOL_GPL(mt76x2_eeprom_init); 5261613c621SLorenzo Bianconi 5271613c621SLorenzo Bianconi MODULE_LICENSE("Dual BSD/GPL"); 528