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
mt76x0_efuse_physical_size_check(struct mt76x02_dev * dev)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
mt76x0_set_chip_cap(struct mt76x02_dev * dev)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",
5548dbce5cSLorenzo Bianconi dev->mphy.cap.has_2ghz, dev->mphy.cap.has_5ghz);
56e87b5039SStanislaw Gruszka
57d6500cf3SStanislaw Gruszka if (dev->no_2ghz) {
5848dbce5cSLorenzo Bianconi dev->mphy.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)) {
6348dbce5cSLorenzo Bianconi dev->mphy.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)
7147cbf73cSLorenzo Bianconi dev_dbg(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
mt76x0_set_temp_offset(struct mt76x02_dev * dev)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
mt76x0_set_freq_offset(struct mt76x02_dev * dev)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
mt76x0_read_rx_gain(struct mt76x02_dev * dev)110b2d871c0SLorenzo Bianconi void mt76x0_read_rx_gain(struct mt76x02_dev *dev)
111e87b5039SStanislaw Gruszka {
11296747a51SFelix 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
mt76x0_get_delta(struct mt76x02_dev * dev)13026a9daa6SLorenzo Bianconi static s8 mt76x0_get_delta(struct mt76x02_dev *dev)
131e87b5039SStanislaw Gruszka {
13296747a51SFelix 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
mt76x0_get_tx_power_per_rate(struct mt76x02_dev * dev,struct ieee80211_channel * chan,struct mt76x02_rate_power * t)1521ffe410eSLorenzo Bianconi void mt76x0_get_tx_power_per_rate(struct mt76x02_dev *dev,
1531ffe410eSLorenzo Bianconi struct ieee80211_channel *chan,
154b376d963SFelix Fietkau struct mt76x02_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);
182ba45841cSFelix Fietkau t->ht[0] = t->ht[1] = s6_to_s8(val);
183ba45841cSFelix Fietkau t->ht[2] = t->ht[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);
188ba45841cSFelix Fietkau t->ht[4] = t->ht[5] = s6_to_s8(val);
189ba45841cSFelix Fietkau t->ht[6] = t->ht[7] = s6_to_s8(val >> 8);
190e87b5039SStanislaw Gruszka
191b37bbc8cSLorenzo Bianconi /* vht mcs 8, 9 5GHz */
192d387cde7SRichard Huynh val = mt76x02_eeprom_get(dev, 0x12c);
193ba45841cSFelix Fietkau t->vht[0] = s6_to_s8(val);
194ba45841cSFelix Fietkau t->vht[1] = s6_to_s8(val >> 8);
195b37bbc8cSLorenzo Bianconi
19607e54852SLorenzo Bianconi delta = mt76x0_tssi_enabled(dev) ? 0 : mt76x0_get_delta(dev);
197b37bbc8cSLorenzo Bianconi mt76x02_add_rate_power_offset(t, delta);
198e87b5039SStanislaw Gruszka }
199e87b5039SStanislaw Gruszka
mt76x0_get_power_info(struct mt76x02_dev * dev,struct ieee80211_channel * chan,s8 * tp)2001ffe410eSLorenzo Bianconi void mt76x0_get_power_info(struct mt76x02_dev *dev,
2011ffe410eSLorenzo Bianconi struct ieee80211_channel *chan, s8 *tp)
202e87b5039SStanislaw Gruszka {
20344824554SColin Ian King static const struct mt76x0_chan_map {
204f2a2e819SLorenzo Bianconi u8 chan;
205f2a2e819SLorenzo Bianconi u8 offset;
206f2a2e819SLorenzo Bianconi } chan_map[] = {
20705672636SLorenzo Bianconi { 2, 0 }, { 4, 2 }, { 6, 4 }, { 8, 6 },
20805672636SLorenzo Bianconi { 10, 8 }, { 12, 10 }, { 14, 12 }, { 38, 0 },
20905672636SLorenzo Bianconi { 44, 2 }, { 48, 4 }, { 54, 6 }, { 60, 8 },
21005672636SLorenzo Bianconi { 64, 10 }, { 102, 12 }, { 108, 14 }, { 112, 16 },
21105672636SLorenzo Bianconi { 118, 18 }, { 124, 20 }, { 128, 22 }, { 134, 24 },
21205672636SLorenzo Bianconi { 140, 26 }, { 151, 28 }, { 157, 30 }, { 161, 32 },
21305672636SLorenzo Bianconi { 167, 34 }, { 171, 36 }, { 175, 38 },
214f2a2e819SLorenzo Bianconi };
215f2a2e819SLorenzo Bianconi u8 offset, addr;
21605672636SLorenzo Bianconi int i, idx = 0;
217f2a2e819SLorenzo Bianconi u16 data;
218e87b5039SStanislaw Gruszka
21907e54852SLorenzo Bianconi if (mt76x0_tssi_enabled(dev)) {
22007e54852SLorenzo Bianconi s8 target_power;
22107e54852SLorenzo Bianconi
22207e54852SLorenzo Bianconi if (chan->band == NL80211_BAND_5GHZ)
22307e54852SLorenzo Bianconi data = mt76x02_eeprom_get(dev, MT_EE_5G_TARGET_POWER);
22407e54852SLorenzo Bianconi else
22507e54852SLorenzo Bianconi data = mt76x02_eeprom_get(dev, MT_EE_2G_TARGET_POWER);
226b376d963SFelix Fietkau target_power = (data & 0xff) - dev->rate_power.ofdm[7];
22705672636SLorenzo Bianconi *tp = target_power + mt76x0_get_delta(dev);
22807e54852SLorenzo Bianconi
22907e54852SLorenzo Bianconi return;
23007e54852SLorenzo Bianconi }
23107e54852SLorenzo Bianconi
232f2a2e819SLorenzo Bianconi for (i = 0; i < ARRAY_SIZE(chan_map); i++) {
23305672636SLorenzo Bianconi if (chan->hw_value <= chan_map[i].chan) {
23405672636SLorenzo Bianconi idx = (chan->hw_value == chan_map[i].chan);
235f2a2e819SLorenzo Bianconi offset = chan_map[i].offset;
236f2a2e819SLorenzo Bianconi break;
237f2a2e819SLorenzo Bianconi }
238f2a2e819SLorenzo Bianconi }
239f2a2e819SLorenzo Bianconi if (i == ARRAY_SIZE(chan_map))
240f2a2e819SLorenzo Bianconi offset = chan_map[0].offset;
241f2a2e819SLorenzo Bianconi
242f2a2e819SLorenzo Bianconi if (chan->band == NL80211_BAND_2GHZ) {
243f2a2e819SLorenzo Bianconi addr = MT_EE_TX_POWER_DELTA_BW80 + offset;
244f2a2e819SLorenzo Bianconi } else {
245f2a2e819SLorenzo Bianconi switch (chan->hw_value) {
24605672636SLorenzo Bianconi case 42:
24705672636SLorenzo Bianconi offset = 2;
24805672636SLorenzo Bianconi break;
249f2a2e819SLorenzo Bianconi case 58:
250f2a2e819SLorenzo Bianconi offset = 8;
251f2a2e819SLorenzo Bianconi break;
252f2a2e819SLorenzo Bianconi case 106:
253f2a2e819SLorenzo Bianconi offset = 14;
254f2a2e819SLorenzo Bianconi break;
25505672636SLorenzo Bianconi case 122:
256f2a2e819SLorenzo Bianconi offset = 20;
257f2a2e819SLorenzo Bianconi break;
258f2a2e819SLorenzo Bianconi case 155:
259f2a2e819SLorenzo Bianconi offset = 30;
260f2a2e819SLorenzo Bianconi break;
261f2a2e819SLorenzo Bianconi default:
262f2a2e819SLorenzo Bianconi break;
263f2a2e819SLorenzo Bianconi }
264f2a2e819SLorenzo Bianconi addr = MT_EE_TX_POWER_0_GRP4_TSSI_SLOPE + 2 + offset;
265e87b5039SStanislaw Gruszka }
266e87b5039SStanislaw Gruszka
26726a9daa6SLorenzo Bianconi data = mt76x02_eeprom_get(dev, addr);
26805672636SLorenzo Bianconi *tp = data >> (8 * idx);
26905672636SLorenzo Bianconi if (*tp < 0 || *tp > 0x3f)
27005672636SLorenzo Bianconi *tp = 5;
271e87b5039SStanislaw Gruszka }
272e87b5039SStanislaw Gruszka
mt76x0_check_eeprom(struct mt76x02_dev * dev)273b2d871c0SLorenzo Bianconi static int mt76x0_check_eeprom(struct mt76x02_dev *dev)
2748d98c153SLorenzo Bianconi {
2758d98c153SLorenzo Bianconi u16 val;
2768d98c153SLorenzo Bianconi
2778d98c153SLorenzo Bianconi val = get_unaligned_le16(dev->mt76.eeprom.data);
2788d98c153SLorenzo Bianconi if (!val)
2798d98c153SLorenzo Bianconi val = get_unaligned_le16(dev->mt76.eeprom.data +
2808d98c153SLorenzo Bianconi MT_EE_PCI_ID);
2818d98c153SLorenzo Bianconi
2828d98c153SLorenzo Bianconi switch (val) {
2838d98c153SLorenzo Bianconi case 0x7650:
2848d98c153SLorenzo Bianconi case 0x7610:
2858d98c153SLorenzo Bianconi return 0;
2868d98c153SLorenzo Bianconi default:
2878d98c153SLorenzo Bianconi dev_err(dev->mt76.dev, "EEPROM data check failed: %04x\n",
2888d98c153SLorenzo Bianconi val);
2898d98c153SLorenzo Bianconi return -EINVAL;
2908d98c153SLorenzo Bianconi }
2918d98c153SLorenzo Bianconi }
2928d98c153SLorenzo Bianconi
mt76x0_load_eeprom(struct mt76x02_dev * dev)293b2d871c0SLorenzo Bianconi static int mt76x0_load_eeprom(struct mt76x02_dev *dev)
2948d98c153SLorenzo Bianconi {
2958d98c153SLorenzo Bianconi int found;
2968d98c153SLorenzo Bianconi
2978d98c153SLorenzo Bianconi found = mt76_eeprom_init(&dev->mt76, MT76X0_EEPROM_SIZE);
2988d98c153SLorenzo Bianconi if (found < 0)
2998d98c153SLorenzo Bianconi return found;
3008d98c153SLorenzo Bianconi
3018d98c153SLorenzo Bianconi if (found && !mt76x0_check_eeprom(dev))
3028d98c153SLorenzo Bianconi return 0;
3038d98c153SLorenzo Bianconi
3048d98c153SLorenzo Bianconi found = mt76x0_efuse_physical_size_check(dev);
3058d98c153SLorenzo Bianconi if (found < 0)
3068d98c153SLorenzo Bianconi return found;
3078d98c153SLorenzo Bianconi
30826a9daa6SLorenzo Bianconi return mt76x02_get_efuse_data(dev, 0, dev->mt76.eeprom.data,
3098d98c153SLorenzo Bianconi MT76X0_EEPROM_SIZE, MT_EE_READ);
3108d98c153SLorenzo Bianconi }
3118d98c153SLorenzo Bianconi
mt76x0_eeprom_init(struct mt76x02_dev * dev)312b2d871c0SLorenzo Bianconi int mt76x0_eeprom_init(struct mt76x02_dev *dev)
313e87b5039SStanislaw Gruszka {
314f2a2e819SLorenzo Bianconi u8 version, fae;
315f2a2e819SLorenzo Bianconi u16 data;
3168d98c153SLorenzo Bianconi int err;
317e87b5039SStanislaw Gruszka
3188d98c153SLorenzo Bianconi err = mt76x0_load_eeprom(dev);
3198d98c153SLorenzo Bianconi if (err < 0)
3208d98c153SLorenzo Bianconi return err;
321e87b5039SStanislaw Gruszka
32226a9daa6SLorenzo Bianconi data = mt76x02_eeprom_get(dev, MT_EE_VERSION);
323f2a2e819SLorenzo Bianconi version = data >> 8;
324f2a2e819SLorenzo Bianconi fae = data;
325f2a2e819SLorenzo Bianconi
326f2a2e819SLorenzo Bianconi if (version > MT76X0U_EE_MAX_VER)
327e87b5039SStanislaw Gruszka dev_warn(dev->mt76.dev,
328e87b5039SStanislaw Gruszka "Warning: unsupported EEPROM version %02hhx\n",
329f2a2e819SLorenzo Bianconi version);
330e87b5039SStanislaw Gruszka dev_info(dev->mt76.dev, "EEPROM ver:%02hhx fae:%02hhx\n",
331f2a2e819SLorenzo Bianconi version, fae);
332e87b5039SStanislaw Gruszka
33398df2baeSLorenzo Bianconi memcpy(dev->mphy.macaddr, (u8 *)dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
334693d0605SLorenzo Bianconi ETH_ALEN);
33598df2baeSLorenzo Bianconi mt76_eeprom_override(&dev->mphy);
33698df2baeSLorenzo Bianconi mt76x02_mac_setaddr(dev, dev->mphy.macaddr);
337693d0605SLorenzo Bianconi
3383d66939aSLorenzo Bianconi mt76x0_set_chip_cap(dev);
33977d0f465SLorenzo Bianconi mt76x0_set_freq_offset(dev);
3402c0db839SLorenzo Bianconi mt76x0_set_temp_offset(dev);
341f2a2e819SLorenzo Bianconi
342f2a2e819SLorenzo Bianconi return 0;
343e87b5039SStanislaw Gruszka }
344c2a4d9fbSStanislaw Gruszka
345*f3f8f050SBreno Leitao MODULE_DESCRIPTION("MediaTek MT76x EEPROM helpers");
346c2a4d9fbSStanislaw Gruszka MODULE_LICENSE("Dual BSD/GPL");
347