11802d0beSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 2e87b5039SStanislaw Gruszka /* 3e87b5039SStanislaw Gruszka * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> 4e87b5039SStanislaw Gruszka * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> 5e87b5039SStanislaw Gruszka * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> 6e87b5039SStanislaw Gruszka */ 7e87b5039SStanislaw Gruszka 8db6bb5c6SFelix Fietkau #include <linux/module.h> 9e87b5039SStanislaw Gruszka #include <linux/of.h> 10e87b5039SStanislaw Gruszka #include <linux/mtd/mtd.h> 11e87b5039SStanislaw Gruszka #include <linux/mtd/partitions.h> 12e87b5039SStanislaw Gruszka #include <linux/etherdevice.h> 13e87b5039SStanislaw Gruszka #include <asm/unaligned.h> 14e87b5039SStanislaw Gruszka #include "mt76x0.h" 15e87b5039SStanislaw Gruszka #include "eeprom.h" 16b37bbc8cSLorenzo Bianconi #include "../mt76x02_phy.h" 17e87b5039SStanislaw Gruszka 1817ad18fdSKees Cook #define MT_MAP_READS DIV_ROUND_UP(MT_EFUSE_USAGE_MAP_SIZE, 16) 19e87b5039SStanislaw Gruszka static int 20b2d871c0SLorenzo Bianconi mt76x0_efuse_physical_size_check(struct mt76x02_dev *dev) 21e87b5039SStanislaw Gruszka { 2217ad18fdSKees Cook u8 data[MT_MAP_READS * 16]; 23e87b5039SStanislaw Gruszka int ret, i; 24e87b5039SStanislaw Gruszka u32 start = 0, end = 0, cnt_free; 25e87b5039SStanislaw Gruszka 2626a9daa6SLorenzo Bianconi ret = mt76x02_get_efuse_data(dev, MT_EE_USAGE_MAP_START, data, 2726a9daa6SLorenzo Bianconi sizeof(data), MT_EE_PHYSICAL_READ); 28e87b5039SStanislaw Gruszka if (ret) 29e87b5039SStanislaw Gruszka return ret; 30e87b5039SStanislaw Gruszka 31e87b5039SStanislaw Gruszka for (i = 0; i < MT_EFUSE_USAGE_MAP_SIZE; i++) 32e87b5039SStanislaw Gruszka if (!data[i]) { 33e87b5039SStanislaw Gruszka if (!start) 34e87b5039SStanislaw Gruszka start = MT_EE_USAGE_MAP_START + i; 35e87b5039SStanislaw Gruszka end = MT_EE_USAGE_MAP_START + i; 36e87b5039SStanislaw Gruszka } 37e87b5039SStanislaw Gruszka cnt_free = end - start + 1; 38e87b5039SStanislaw Gruszka 39e87b5039SStanislaw Gruszka if (MT_EFUSE_USAGE_MAP_SIZE - cnt_free < 5) { 40bd724b8fSLorenzo Bianconi dev_err(dev->mt76.dev, 41bd724b8fSLorenzo Bianconi "driver does not support default EEPROM\n"); 42e87b5039SStanislaw Gruszka return -EINVAL; 43e87b5039SStanislaw Gruszka } 44e87b5039SStanislaw Gruszka 45e87b5039SStanislaw Gruszka return 0; 46e87b5039SStanislaw Gruszka } 47e87b5039SStanislaw Gruszka 48b2d871c0SLorenzo Bianconi static void mt76x0_set_chip_cap(struct mt76x02_dev *dev) 49e87b5039SStanislaw Gruszka { 5026a9daa6SLorenzo Bianconi u16 nic_conf0 = mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_0); 5126a9daa6SLorenzo Bianconi u16 nic_conf1 = mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1); 52e87b5039SStanislaw Gruszka 5326a9daa6SLorenzo Bianconi mt76x02_eeprom_parse_hw_cap(dev); 543d66939aSLorenzo Bianconi dev_dbg(dev->mt76.dev, "2GHz %d 5GHz %d\n", 55540399d5SLorenzo Bianconi dev->mt76.cap.has_2ghz, dev->mt76.cap.has_5ghz); 56e87b5039SStanislaw Gruszka 57d6500cf3SStanislaw Gruszka if (dev->no_2ghz) { 58d6500cf3SStanislaw Gruszka dev->mt76.cap.has_2ghz = false; 59d6500cf3SStanislaw Gruszka dev_dbg(dev->mt76.dev, "mask out 2GHz support\n"); 60d6500cf3SStanislaw Gruszka } 61d6500cf3SStanislaw Gruszka 6270702265SStanislaw Gruszka if (is_mt7630(dev)) { 6370702265SStanislaw Gruszka dev->mt76.cap.has_5ghz = false; 6470702265SStanislaw Gruszka dev_dbg(dev->mt76.dev, "mask out 5GHz support\n"); 6570702265SStanislaw Gruszka } 6670702265SStanislaw Gruszka 6786c71d3dSLorenzo Bianconi if (!mt76x02_field_valid(nic_conf1 & 0xff)) 68e87b5039SStanislaw Gruszka nic_conf1 &= 0xff00; 69e87b5039SStanislaw Gruszka 70e87b5039SStanislaw Gruszka if (nic_conf1 & MT_EE_NIC_CONF_1_HW_RF_CTRL) 71e87b5039SStanislaw Gruszka dev_err(dev->mt76.dev, 723d66939aSLorenzo Bianconi "driver does not support HW RF ctrl\n"); 73e87b5039SStanislaw Gruszka 7486c71d3dSLorenzo Bianconi if (!mt76x02_field_valid(nic_conf0 >> 8)) 75e87b5039SStanislaw Gruszka return; 76e87b5039SStanislaw Gruszka 77e87b5039SStanislaw Gruszka if (FIELD_GET(MT_EE_NIC_CONF_0_RX_PATH, nic_conf0) > 1 || 78e87b5039SStanislaw Gruszka FIELD_GET(MT_EE_NIC_CONF_0_TX_PATH, nic_conf0) > 1) 793d66939aSLorenzo Bianconi dev_err(dev->mt76.dev, "invalid tx-rx stream\n"); 80e87b5039SStanislaw Gruszka } 81e87b5039SStanislaw Gruszka 82b2d871c0SLorenzo Bianconi static void mt76x0_set_temp_offset(struct mt76x02_dev *dev) 83e87b5039SStanislaw Gruszka { 842c0db839SLorenzo Bianconi u8 val; 85e87b5039SStanislaw Gruszka 8626a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_2G_TARGET_POWER) >> 8; 872c0db839SLorenzo Bianconi if (mt76x02_field_valid(val)) 88b2d871c0SLorenzo Bianconi dev->cal.rx.temp_offset = mt76x02_sign_extend(val, 8); 89e87b5039SStanislaw Gruszka else 90b2d871c0SLorenzo Bianconi dev->cal.rx.temp_offset = -10; 91e87b5039SStanislaw Gruszka } 92e87b5039SStanislaw Gruszka 93b2d871c0SLorenzo Bianconi static void mt76x0_set_freq_offset(struct mt76x02_dev *dev) 94e87b5039SStanislaw Gruszka { 95b2d871c0SLorenzo Bianconi struct mt76x02_rx_freq_cal *caldata = &dev->cal.rx; 9677d0f465SLorenzo Bianconi u8 val; 97e87b5039SStanislaw Gruszka 9826a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_FREQ_OFFSET); 9977d0f465SLorenzo Bianconi if (!mt76x02_field_valid(val)) 10077d0f465SLorenzo Bianconi val = 0; 10177d0f465SLorenzo Bianconi caldata->freq_offset = val; 10286c71d3dSLorenzo Bianconi 10326a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_TSSI_BOUND4) >> 8; 10477d0f465SLorenzo Bianconi if (!mt76x02_field_valid(val)) 10577d0f465SLorenzo Bianconi val = 0; 106e87b5039SStanislaw Gruszka 10777d0f465SLorenzo Bianconi caldata->freq_offset -= mt76x02_sign_extend(val, 8); 108e87b5039SStanislaw Gruszka } 109e87b5039SStanislaw Gruszka 110b2d871c0SLorenzo Bianconi void mt76x0_read_rx_gain(struct mt76x02_dev *dev) 111e87b5039SStanislaw Gruszka { 112*96747a51SFelix Fietkau struct ieee80211_channel *chan = dev->mphy.chandef.chan; 113b2d871c0SLorenzo Bianconi struct mt76x02_rx_freq_cal *caldata = &dev->cal.rx; 114564d7f0aSLorenzo Bianconi s8 val, lna_5g[3], lna_2g; 1152daa6758SLorenzo Bianconi u16 rssi_offset; 116564d7f0aSLorenzo Bianconi int i; 117e87b5039SStanislaw Gruszka 11826a9daa6SLorenzo Bianconi mt76x02_get_rx_gain(dev, chan->band, &rssi_offset, &lna_2g, lna_5g); 11926a9daa6SLorenzo Bianconi caldata->lna_gain = mt76x02_get_lna_gain(dev, &lna_2g, lna_5g, chan); 120e87b5039SStanislaw Gruszka 121564d7f0aSLorenzo Bianconi for (i = 0; i < ARRAY_SIZE(caldata->rssi_offset); i++) { 122564d7f0aSLorenzo Bianconi val = rssi_offset >> (8 * i); 123564d7f0aSLorenzo Bianconi if (val < -10 || val > 10) 124564d7f0aSLorenzo Bianconi val = 0; 125e87b5039SStanislaw Gruszka 126564d7f0aSLorenzo Bianconi caldata->rssi_offset[i] = val; 127e87b5039SStanislaw Gruszka } 128e87b5039SStanislaw Gruszka } 129e87b5039SStanislaw Gruszka 13026a9daa6SLorenzo Bianconi static s8 mt76x0_get_delta(struct mt76x02_dev *dev) 131e87b5039SStanislaw Gruszka { 132*96747a51SFelix Fietkau struct cfg80211_chan_def *chandef = &dev->mphy.chandef; 133b37bbc8cSLorenzo Bianconi u8 val; 134e87b5039SStanislaw Gruszka 135b37bbc8cSLorenzo Bianconi if (chandef->width == NL80211_CHAN_WIDTH_80) { 136b37bbc8cSLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_5G_TARGET_POWER) >> 8; 137b37bbc8cSLorenzo Bianconi } else if (chandef->width == NL80211_CHAN_WIDTH_40) { 138b37bbc8cSLorenzo Bianconi u16 data; 139e87b5039SStanislaw Gruszka 140b37bbc8cSLorenzo Bianconi data = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_DELTA_BW40); 141b37bbc8cSLorenzo Bianconi if (chandef->chan->band == NL80211_BAND_5GHZ) 142b37bbc8cSLorenzo Bianconi val = data >> 8; 143b37bbc8cSLorenzo Bianconi else 144b37bbc8cSLorenzo Bianconi val = data; 145b37bbc8cSLorenzo Bianconi } else { 146b37bbc8cSLorenzo Bianconi return 0; 147e87b5039SStanislaw Gruszka } 148e87b5039SStanislaw Gruszka 149b37bbc8cSLorenzo Bianconi return mt76x02_rate_power_val(val); 150b37bbc8cSLorenzo Bianconi } 151b37bbc8cSLorenzo Bianconi 1521ffe410eSLorenzo Bianconi void mt76x0_get_tx_power_per_rate(struct mt76x02_dev *dev, 1531ffe410eSLorenzo Bianconi struct ieee80211_channel *chan, 1541ffe410eSLorenzo Bianconi struct mt76_rate_power *t) 155e87b5039SStanislaw Gruszka { 156b37bbc8cSLorenzo Bianconi bool is_2ghz = chan->band == NL80211_BAND_2GHZ; 157b37bbc8cSLorenzo Bianconi u16 val, addr; 15807e54852SLorenzo Bianconi s8 delta; 159e87b5039SStanislaw Gruszka 160b37bbc8cSLorenzo Bianconi memset(t, 0, sizeof(*t)); 161e87b5039SStanislaw Gruszka 162b37bbc8cSLorenzo Bianconi /* cck 1M, 2M, 5.5M, 11M */ 16326a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_BYRATE_BASE); 164b37bbc8cSLorenzo Bianconi t->cck[0] = t->cck[1] = s6_to_s8(val); 165b37bbc8cSLorenzo Bianconi t->cck[2] = t->cck[3] = s6_to_s8(val >> 8); 166e87b5039SStanislaw Gruszka 167b37bbc8cSLorenzo Bianconi /* ofdm 6M, 9M, 12M, 18M */ 168b37bbc8cSLorenzo Bianconi addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 2 : 0x120; 16926a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, addr); 170b37bbc8cSLorenzo Bianconi t->ofdm[0] = t->ofdm[1] = s6_to_s8(val); 171b37bbc8cSLorenzo Bianconi t->ofdm[2] = t->ofdm[3] = s6_to_s8(val >> 8); 172e87b5039SStanislaw Gruszka 173b37bbc8cSLorenzo Bianconi /* ofdm 24M, 36M, 48M, 54M */ 174b37bbc8cSLorenzo Bianconi addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 4 : 0x122; 17526a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, addr); 176b37bbc8cSLorenzo Bianconi t->ofdm[4] = t->ofdm[5] = s6_to_s8(val); 177b37bbc8cSLorenzo Bianconi t->ofdm[6] = t->ofdm[7] = s6_to_s8(val >> 8); 178e87b5039SStanislaw Gruszka 179b37bbc8cSLorenzo Bianconi /* ht-vht mcs 1ss 0, 1, 2, 3 */ 180b37bbc8cSLorenzo Bianconi addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 6 : 0x124; 18126a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, addr); 182b37bbc8cSLorenzo Bianconi t->ht[0] = t->ht[1] = t->vht[0] = t->vht[1] = s6_to_s8(val); 183b37bbc8cSLorenzo Bianconi t->ht[2] = t->ht[3] = t->vht[2] = t->vht[3] = s6_to_s8(val >> 8); 184e87b5039SStanislaw Gruszka 185b37bbc8cSLorenzo Bianconi /* ht-vht mcs 1ss 4, 5, 6 */ 186b37bbc8cSLorenzo Bianconi addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 8 : 0x126; 18726a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, addr); 188b37bbc8cSLorenzo Bianconi t->ht[4] = t->ht[5] = t->vht[4] = t->vht[5] = s6_to_s8(val); 189b29e46b7SLorenzo Bianconi t->ht[6] = t->ht[7] = t->vht[6] = t->vht[7] = s6_to_s8(val >> 8); 190e87b5039SStanislaw Gruszka 191b37bbc8cSLorenzo Bianconi /* ht-vht mcs 1ss 0, 1, 2, 3 stbc */ 192b37bbc8cSLorenzo Bianconi addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 14 : 0xec; 19326a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, addr); 194b37bbc8cSLorenzo Bianconi t->stbc[0] = t->stbc[1] = s6_to_s8(val); 195b37bbc8cSLorenzo Bianconi t->stbc[2] = t->stbc[3] = s6_to_s8(val >> 8); 196e87b5039SStanislaw Gruszka 197b37bbc8cSLorenzo Bianconi /* ht-vht mcs 1ss 4, 5, 6 stbc */ 198b37bbc8cSLorenzo Bianconi addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 16 : 0xee; 19926a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, addr); 200b37bbc8cSLorenzo Bianconi t->stbc[4] = t->stbc[5] = s6_to_s8(val); 201b37bbc8cSLorenzo Bianconi t->stbc[6] = t->stbc[7] = s6_to_s8(val >> 8); 202e87b5039SStanislaw Gruszka 203b37bbc8cSLorenzo Bianconi /* vht mcs 8, 9 5GHz */ 20426a9daa6SLorenzo Bianconi val = mt76x02_eeprom_get(dev, 0x132); 205b29e46b7SLorenzo Bianconi t->vht[8] = s6_to_s8(val); 206b29e46b7SLorenzo Bianconi t->vht[9] = s6_to_s8(val >> 8); 207b37bbc8cSLorenzo Bianconi 20807e54852SLorenzo Bianconi delta = mt76x0_tssi_enabled(dev) ? 0 : mt76x0_get_delta(dev); 209b37bbc8cSLorenzo Bianconi mt76x02_add_rate_power_offset(t, delta); 210e87b5039SStanislaw Gruszka } 211e87b5039SStanislaw Gruszka 2121ffe410eSLorenzo Bianconi void mt76x0_get_power_info(struct mt76x02_dev *dev, 2131ffe410eSLorenzo Bianconi struct ieee80211_channel *chan, s8 *tp) 214e87b5039SStanislaw Gruszka { 21544824554SColin Ian King static const struct mt76x0_chan_map { 216f2a2e819SLorenzo Bianconi u8 chan; 217f2a2e819SLorenzo Bianconi u8 offset; 218f2a2e819SLorenzo Bianconi } chan_map[] = { 21905672636SLorenzo Bianconi { 2, 0 }, { 4, 2 }, { 6, 4 }, { 8, 6 }, 22005672636SLorenzo Bianconi { 10, 8 }, { 12, 10 }, { 14, 12 }, { 38, 0 }, 22105672636SLorenzo Bianconi { 44, 2 }, { 48, 4 }, { 54, 6 }, { 60, 8 }, 22205672636SLorenzo Bianconi { 64, 10 }, { 102, 12 }, { 108, 14 }, { 112, 16 }, 22305672636SLorenzo Bianconi { 118, 18 }, { 124, 20 }, { 128, 22 }, { 134, 24 }, 22405672636SLorenzo Bianconi { 140, 26 }, { 151, 28 }, { 157, 30 }, { 161, 32 }, 22505672636SLorenzo Bianconi { 167, 34 }, { 171, 36 }, { 175, 38 }, 226f2a2e819SLorenzo Bianconi }; 227f2a2e819SLorenzo Bianconi u8 offset, addr; 22805672636SLorenzo Bianconi int i, idx = 0; 229f2a2e819SLorenzo Bianconi u16 data; 230e87b5039SStanislaw Gruszka 23107e54852SLorenzo Bianconi if (mt76x0_tssi_enabled(dev)) { 23207e54852SLorenzo Bianconi s8 target_power; 23307e54852SLorenzo Bianconi 23407e54852SLorenzo Bianconi if (chan->band == NL80211_BAND_5GHZ) 23507e54852SLorenzo Bianconi data = mt76x02_eeprom_get(dev, MT_EE_5G_TARGET_POWER); 23607e54852SLorenzo Bianconi else 23707e54852SLorenzo Bianconi data = mt76x02_eeprom_get(dev, MT_EE_2G_TARGET_POWER); 23807e54852SLorenzo Bianconi target_power = (data & 0xff) - dev->mt76.rate_power.ofdm[7]; 23905672636SLorenzo Bianconi *tp = target_power + mt76x0_get_delta(dev); 24007e54852SLorenzo Bianconi 24107e54852SLorenzo Bianconi return; 24207e54852SLorenzo Bianconi } 24307e54852SLorenzo Bianconi 244f2a2e819SLorenzo Bianconi for (i = 0; i < ARRAY_SIZE(chan_map); i++) { 24505672636SLorenzo Bianconi if (chan->hw_value <= chan_map[i].chan) { 24605672636SLorenzo Bianconi idx = (chan->hw_value == chan_map[i].chan); 247f2a2e819SLorenzo Bianconi offset = chan_map[i].offset; 248f2a2e819SLorenzo Bianconi break; 249f2a2e819SLorenzo Bianconi } 250f2a2e819SLorenzo Bianconi } 251f2a2e819SLorenzo Bianconi if (i == ARRAY_SIZE(chan_map)) 252f2a2e819SLorenzo Bianconi offset = chan_map[0].offset; 253f2a2e819SLorenzo Bianconi 254f2a2e819SLorenzo Bianconi if (chan->band == NL80211_BAND_2GHZ) { 255f2a2e819SLorenzo Bianconi addr = MT_EE_TX_POWER_DELTA_BW80 + offset; 256f2a2e819SLorenzo Bianconi } else { 257f2a2e819SLorenzo Bianconi switch (chan->hw_value) { 25805672636SLorenzo Bianconi case 42: 25905672636SLorenzo Bianconi offset = 2; 26005672636SLorenzo Bianconi break; 261f2a2e819SLorenzo Bianconi case 58: 262f2a2e819SLorenzo Bianconi offset = 8; 263f2a2e819SLorenzo Bianconi break; 264f2a2e819SLorenzo Bianconi case 106: 265f2a2e819SLorenzo Bianconi offset = 14; 266f2a2e819SLorenzo Bianconi break; 26705672636SLorenzo Bianconi case 122: 268f2a2e819SLorenzo Bianconi offset = 20; 269f2a2e819SLorenzo Bianconi break; 270f2a2e819SLorenzo Bianconi case 155: 271f2a2e819SLorenzo Bianconi offset = 30; 272f2a2e819SLorenzo Bianconi break; 273f2a2e819SLorenzo Bianconi default: 274f2a2e819SLorenzo Bianconi break; 275f2a2e819SLorenzo Bianconi } 276f2a2e819SLorenzo Bianconi addr = MT_EE_TX_POWER_0_GRP4_TSSI_SLOPE + 2 + offset; 277e87b5039SStanislaw Gruszka } 278e87b5039SStanislaw Gruszka 27926a9daa6SLorenzo Bianconi data = mt76x02_eeprom_get(dev, addr); 28005672636SLorenzo Bianconi *tp = data >> (8 * idx); 28105672636SLorenzo Bianconi if (*tp < 0 || *tp > 0x3f) 28205672636SLorenzo Bianconi *tp = 5; 283e87b5039SStanislaw Gruszka } 284e87b5039SStanislaw Gruszka 285b2d871c0SLorenzo Bianconi static int mt76x0_check_eeprom(struct mt76x02_dev *dev) 2868d98c153SLorenzo Bianconi { 2878d98c153SLorenzo Bianconi u16 val; 2888d98c153SLorenzo Bianconi 2898d98c153SLorenzo Bianconi val = get_unaligned_le16(dev->mt76.eeprom.data); 2908d98c153SLorenzo Bianconi if (!val) 2918d98c153SLorenzo Bianconi val = get_unaligned_le16(dev->mt76.eeprom.data + 2928d98c153SLorenzo Bianconi MT_EE_PCI_ID); 2938d98c153SLorenzo Bianconi 2948d98c153SLorenzo Bianconi switch (val) { 2958d98c153SLorenzo Bianconi case 0x7650: 2968d98c153SLorenzo Bianconi case 0x7610: 2978d98c153SLorenzo Bianconi return 0; 2988d98c153SLorenzo Bianconi default: 2998d98c153SLorenzo Bianconi dev_err(dev->mt76.dev, "EEPROM data check failed: %04x\n", 3008d98c153SLorenzo Bianconi val); 3018d98c153SLorenzo Bianconi return -EINVAL; 3028d98c153SLorenzo Bianconi } 3038d98c153SLorenzo Bianconi } 3048d98c153SLorenzo Bianconi 305b2d871c0SLorenzo Bianconi static int mt76x0_load_eeprom(struct mt76x02_dev *dev) 3068d98c153SLorenzo Bianconi { 3078d98c153SLorenzo Bianconi int found; 3088d98c153SLorenzo Bianconi 3098d98c153SLorenzo Bianconi found = mt76_eeprom_init(&dev->mt76, MT76X0_EEPROM_SIZE); 3108d98c153SLorenzo Bianconi if (found < 0) 3118d98c153SLorenzo Bianconi return found; 3128d98c153SLorenzo Bianconi 3138d98c153SLorenzo Bianconi if (found && !mt76x0_check_eeprom(dev)) 3148d98c153SLorenzo Bianconi return 0; 3158d98c153SLorenzo Bianconi 3168d98c153SLorenzo Bianconi found = mt76x0_efuse_physical_size_check(dev); 3178d98c153SLorenzo Bianconi if (found < 0) 3188d98c153SLorenzo Bianconi return found; 3198d98c153SLorenzo Bianconi 32026a9daa6SLorenzo Bianconi return mt76x02_get_efuse_data(dev, 0, dev->mt76.eeprom.data, 3218d98c153SLorenzo Bianconi MT76X0_EEPROM_SIZE, MT_EE_READ); 3228d98c153SLorenzo Bianconi } 3238d98c153SLorenzo Bianconi 324b2d871c0SLorenzo Bianconi int mt76x0_eeprom_init(struct mt76x02_dev *dev) 325e87b5039SStanislaw Gruszka { 326f2a2e819SLorenzo Bianconi u8 version, fae; 327f2a2e819SLorenzo Bianconi u16 data; 3288d98c153SLorenzo Bianconi int err; 329e87b5039SStanislaw Gruszka 3308d98c153SLorenzo Bianconi err = mt76x0_load_eeprom(dev); 3318d98c153SLorenzo Bianconi if (err < 0) 3328d98c153SLorenzo Bianconi return err; 333e87b5039SStanislaw Gruszka 33426a9daa6SLorenzo Bianconi data = mt76x02_eeprom_get(dev, MT_EE_VERSION); 335f2a2e819SLorenzo Bianconi version = data >> 8; 336f2a2e819SLorenzo Bianconi fae = data; 337f2a2e819SLorenzo Bianconi 338f2a2e819SLorenzo Bianconi if (version > MT76X0U_EE_MAX_VER) 339e87b5039SStanislaw Gruszka dev_warn(dev->mt76.dev, 340e87b5039SStanislaw Gruszka "Warning: unsupported EEPROM version %02hhx\n", 341f2a2e819SLorenzo Bianconi version); 342e87b5039SStanislaw Gruszka dev_info(dev->mt76.dev, "EEPROM ver:%02hhx fae:%02hhx\n", 343f2a2e819SLorenzo Bianconi version, fae); 344e87b5039SStanislaw Gruszka 345693d0605SLorenzo Bianconi memcpy(dev->mt76.macaddr, (u8 *)dev->mt76.eeprom.data + MT_EE_MAC_ADDR, 346693d0605SLorenzo Bianconi ETH_ALEN); 347d1bc9bf2SPawel Dembicki mt76_eeprom_override(&dev->mt76); 348693d0605SLorenzo Bianconi mt76x02_mac_setaddr(dev, dev->mt76.macaddr); 349693d0605SLorenzo Bianconi 3503d66939aSLorenzo Bianconi mt76x0_set_chip_cap(dev); 35177d0f465SLorenzo Bianconi mt76x0_set_freq_offset(dev); 3522c0db839SLorenzo Bianconi mt76x0_set_temp_offset(dev); 353f2a2e819SLorenzo Bianconi 354f2a2e819SLorenzo Bianconi return 0; 355e87b5039SStanislaw Gruszka } 356c2a4d9fbSStanislaw Gruszka 357c2a4d9fbSStanislaw Gruszka MODULE_LICENSE("Dual BSD/GPL"); 358