1 files changed, 235 insertions, 332 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c
index 36da1e6bc21a..ab4fd6e0f23a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c
@@ -13,6 +13,7 @@
  * GNU General Public License for more details.
  */
 
+#include <linux/module.h>
 #include <linux/of.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
@@ -20,81 +21,20 @@
 #include <asm/unaligned.h>
 #include "mt76x0.h"
 #include "eeprom.h"
-
-static bool
-field_valid(u8 val)
-{
-	return val != 0xff;
-}
-
-static s8
-field_validate(u8 val)
-{
-	if (!field_valid(val))
-		return 0;
-
-	return val;
-}
-
-static inline int
-sign_extend(u32 val, unsigned int size)
-{
-	bool sign = val & BIT(size - 1);
-
-	val &= BIT(size - 1) - 1;
-
-	return sign ? val : -val;
-}
-
-static int
-mt76x0_efuse_read(struct mt76x0_dev *dev, u16 addr, u8 *data,
-		   enum mt76x0_eeprom_access_modes mode)
-{
-	u32 val;
-	int i;
-
-	val = mt76_rr(dev, MT_EFUSE_CTRL);
-	val &= ~(MT_EFUSE_CTRL_AIN |
-		 MT_EFUSE_CTRL_MODE);
-	val |= FIELD_PREP(MT_EFUSE_CTRL_AIN, addr & ~0xf) |
-	       FIELD_PREP(MT_EFUSE_CTRL_MODE, mode) |
-	       MT_EFUSE_CTRL_KICK;
-	mt76_wr(dev, MT_EFUSE_CTRL, val);
-
-	if (!mt76_poll(dev, MT_EFUSE_CTRL, MT_EFUSE_CTRL_KICK, 0, 1000))
-		return -ETIMEDOUT;
-
-	val = mt76_rr(dev, MT_EFUSE_CTRL);
-	if ((val & MT_EFUSE_CTRL_AOUT) == MT_EFUSE_CTRL_AOUT) {
-		/* Parts of eeprom not in the usage map (0x80-0xc0,0xf0)
-		 * will not return valid data but it's ok.
-		 */
-		memset(data, 0xff, 16);
-		return 0;
-	}
-
-	for (i = 0; i < 4; i++) {
-		val = mt76_rr(dev, MT_EFUSE_DATA(i));
-		put_unaligned_le32(val, data + 4 * i);
-	}
-
-	return 0;
-}
+#include "../mt76x02_phy.h"
 
 #define MT_MAP_READS	DIV_ROUND_UP(MT_EFUSE_USAGE_MAP_SIZE, 16)
 static int
-mt76x0_efuse_physical_size_check(struct mt76x0_dev *dev)
+mt76x0_efuse_physical_size_check(struct mt76x02_dev *dev)
 {
 	u8 data[MT_MAP_READS * 16];
 	int ret, i;
 	u32 start = 0, end = 0, cnt_free;
 
-	for (i = 0; i < MT_MAP_READS; i++) {
-		ret = mt76x0_efuse_read(dev, MT_EE_USAGE_MAP_START + i * 16,
-					 data + i * 16, MT_EE_PHYSICAL_READ);
-		if (ret)
-			return ret;
-	}
+	ret = mt76x02_get_efuse_data(dev, MT_EE_USAGE_MAP_START, data,
+				     sizeof(data), MT_EE_PHYSICAL_READ);
+	if (ret)
+		return ret;
 
 	for (i = 0; i < MT_EFUSE_USAGE_MAP_SIZE; i++)
 		if (!data[i]) {
@@ -105,341 +45,304 @@ mt76x0_efuse_physical_size_check(struct mt76x0_dev *dev)
 	cnt_free = end - start + 1;
 
 	if (MT_EFUSE_USAGE_MAP_SIZE - cnt_free < 5) {
-		dev_err(dev->mt76.dev, "Error: your device needs default EEPROM file and this driver doesn't support it!\n");
+		dev_err(dev->mt76.dev,
+			"driver does not support default EEPROM\n");
 		return -EINVAL;
 	}
 
 	return 0;
 }
 
-static void
-mt76x0_set_chip_cap(struct mt76x0_dev *dev, u8 *eeprom)
+static void mt76x0_set_chip_cap(struct mt76x02_dev *dev)
 {
-	enum mt76x2_board_type { BOARD_TYPE_2GHZ = 1, BOARD_TYPE_5GHZ = 2 };
-	u16 nic_conf0 = get_unaligned_le16(eeprom + MT_EE_NIC_CONF_0);
-	u16 nic_conf1 = get_unaligned_le16(eeprom + MT_EE_NIC_CONF_1);
-
-	dev_dbg(dev->mt76.dev, "NIC_CONF0: %04x NIC_CONF1: %04x\n", nic_conf0, nic_conf1);
-
-	switch (FIELD_GET(MT_EE_NIC_CONF_0_BOARD_TYPE, nic_conf0)) {
-	case BOARD_TYPE_5GHZ:
-		dev->ee->has_5ghz = true;
-		break;
-	case BOARD_TYPE_2GHZ:
-		dev->ee->has_2ghz = true;
-		break;
-	default:
-		dev->ee->has_2ghz = true;
-		dev->ee->has_5ghz = true;
-		break;
-	}
+	u16 nic_conf0 = mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_0);
+	u16 nic_conf1 = mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1);
+
+	mt76x02_eeprom_parse_hw_cap(dev);
+	dev_dbg(dev->mt76.dev, "2GHz %d 5GHz %d\n",
+		dev->mt76.cap.has_2ghz, dev->mt76.cap.has_5ghz);
 
-	dev_dbg(dev->mt76.dev, "Has 2GHZ %d 5GHZ %d\n", dev->ee->has_2ghz, dev->ee->has_5ghz);
+	if (dev->no_2ghz) {
+		dev->mt76.cap.has_2ghz = false;
+		dev_dbg(dev->mt76.dev, "mask out 2GHz support\n");
+	}
 
-	if (!field_valid(nic_conf1 & 0xff))
+	if (!mt76x02_field_valid(nic_conf1 & 0xff))
 		nic_conf1 &= 0xff00;
 
 	if (nic_conf1 & MT_EE_NIC_CONF_1_HW_RF_CTRL)
 		dev_err(dev->mt76.dev,
-			"Error: this driver does not support HW RF ctrl\n");
+			"driver does not support HW RF ctrl\n");
 
-	if (!field_valid(nic_conf0 >> 8))
+	if (!mt76x02_field_valid(nic_conf0 >> 8))
 		return;
 
 	if (FIELD_GET(MT_EE_NIC_CONF_0_RX_PATH, nic_conf0) > 1 ||
 	    FIELD_GET(MT_EE_NIC_CONF_0_TX_PATH, nic_conf0) > 1)
-		dev_err(dev->mt76.dev,
-			"Error: device has more than 1 RX/TX stream!\n");
-
-	dev->ee->pa_type = FIELD_GET(MT_EE_NIC_CONF_0_PA_TYPE, nic_conf0);
-	dev_dbg(dev->mt76.dev, "PA Type %d\n", dev->ee->pa_type);
+		dev_err(dev->mt76.dev, "invalid tx-rx stream\n");
 }
 
-static int
-mt76x0_set_macaddr(struct mt76x0_dev *dev, const u8 *eeprom)
+static void mt76x0_set_temp_offset(struct mt76x02_dev *dev)
 {
-	const void *src = eeprom + MT_EE_MAC_ADDR;
-
-	ether_addr_copy(dev->macaddr, src);
-
-	if (!is_valid_ether_addr(dev->macaddr)) {
-		eth_random_addr(dev->macaddr);
-		dev_info(dev->mt76.dev,
-			 "Invalid MAC address, using random address %pM\n",
-			 dev->macaddr);
-	}
+	u8 val;
 
-	mt76_wr(dev, MT_MAC_ADDR_DW0, get_unaligned_le32(dev->macaddr));
-	mt76_wr(dev, MT_MAC_ADDR_DW1, get_unaligned_le16(dev->macaddr + 4) |
-		FIELD_PREP(MT_MAC_ADDR_DW1_U2ME_MASK, 0xff));
-
-	return 0;
-}
-
-static void
-mt76x0_set_temp_offset(struct mt76x0_dev *dev, u8 *eeprom)
-{
-	u8 temp = eeprom[MT_EE_TEMP_OFFSET];
-
-	if (field_valid(temp))
-		dev->ee->temp_off = sign_extend(temp, 8);
+	val = mt76x02_eeprom_get(dev, MT_EE_2G_TARGET_POWER) >> 8;
+	if (mt76x02_field_valid(val))
+		dev->cal.rx.temp_offset = mt76x02_sign_extend(val, 8);
 	else
-		dev->ee->temp_off = -10;
+		dev->cal.rx.temp_offset = -10;
 }
 
-static void
-mt76x0_set_country_reg(struct mt76x0_dev *dev, u8 *eeprom)
+static void mt76x0_set_freq_offset(struct mt76x02_dev *dev)
 {
-	/* Note: - region 31 is not valid for mt76x0 (see rtmp_init.c)
-	 *	 - comments in rtmp_def.h are incorrect (see rt_channel.c)
-	 */
-	static const struct reg_channel_bounds chan_bounds[] = {
-		/* EEPROM country regions 0 - 7 */
-		{  1, 11 },	{  1, 13 },	{ 10,  2 },	{ 10,  4 },
-		{ 14,  1 },	{  1, 14 },	{  3,  7 },	{  5,  9 },
-		/* EEPROM country regions 32 - 33 */
-		{  1, 11 },	{  1, 14 }
-	};
-	u8 val = eeprom[MT_EE_COUNTRY_REGION_2GHZ];
-	int idx = -1;
-
-	dev_dbg(dev->mt76.dev, "REG 2GHZ %u REG 5GHZ %u\n", val, eeprom[MT_EE_COUNTRY_REGION_5GHZ]);
-	if (val < 8)
-		idx = val;
-	if (val > 31 && val < 33)
-		idx = val - 32 + 8;
-
-	if (idx != -1)
-		dev_info(dev->mt76.dev,
-			 "EEPROM country region %02hhx (channels %hhd-%hhd)\n",
-			 val, chan_bounds[idx].start,
-			 chan_bounds[idx].start + chan_bounds[idx].num - 1);
-	else
-		idx = 5; /* channels 1 - 14 */
-
-	dev->ee->reg = chan_bounds[idx];
+	struct mt76x02_rx_freq_cal *caldata = &dev->cal.rx;
+	u8 val;
 
-	/* TODO: country region 33 is special - phy should be set to B-mode
-	 *	 before entering channel 14 (see sta/connect.c)
-	 */
-}
-
-static void
-mt76x0_set_rf_freq_off(struct mt76x0_dev *dev, u8 *eeprom)
-{
-	u8 comp;
+	val = mt76x02_eeprom_get(dev, MT_EE_FREQ_OFFSET);
+	if (!mt76x02_field_valid(val))
+		val = 0;
+	caldata->freq_offset = val;
 
-	dev->ee->rf_freq_off = field_validate(eeprom[MT_EE_FREQ_OFFSET]);
-	comp = field_validate(eeprom[MT_EE_FREQ_OFFSET_COMPENSATION]);
+	val = mt76x02_eeprom_get(dev, MT_EE_TSSI_BOUND4) >> 8;
+	if (!mt76x02_field_valid(val))
+		val = 0;
 
-	if (comp & BIT(7))
-		dev->ee->rf_freq_off -= comp & 0x7f;
-	else
-		dev->ee->rf_freq_off += comp;
+	caldata->freq_offset -= mt76x02_sign_extend(val, 8);
 }
 
-static void
-mt76x0_set_lna_gain(struct mt76x0_dev *dev, u8 *eeprom)
+void mt76x0_read_rx_gain(struct mt76x02_dev *dev)
 {
-	u8 gain;
+	struct ieee80211_channel *chan = dev->mt76.chandef.chan;
+	struct mt76x02_rx_freq_cal *caldata = &dev->cal.rx;
+	s8 val, lna_5g[3], lna_2g;
+	u16 rssi_offset;
+	int i;
 
-	dev->ee->lna_gain_2ghz = eeprom[MT_EE_LNA_GAIN_2GHZ];
-	dev->ee->lna_gain_5ghz[0] = eeprom[MT_EE_LNA_GAIN_5GHZ_0];
+	mt76x02_get_rx_gain(dev, chan->band, &rssi_offset, &lna_2g, lna_5g);
+	caldata->lna_gain = mt76x02_get_lna_gain(dev, &lna_2g, lna_5g, chan);
 
-	gain = eeprom[MT_EE_LNA_GAIN_5GHZ_1];
-	if (gain == 0xff || gain == 0)
-		dev->ee->lna_gain_5ghz[1] = dev->ee->lna_gain_5ghz[0];
-	else
-		dev->ee->lna_gain_5ghz[1] = gain;
+	for (i = 0; i < ARRAY_SIZE(caldata->rssi_offset); i++) {
+		val = rssi_offset >> (8 * i);
+		if (val < -10 || val > 10)
+			val = 0;
 
-	gain = eeprom[MT_EE_LNA_GAIN_5GHZ_2];
-	if (gain == 0xff || gain == 0)
-		dev->ee->lna_gain_5ghz[2] = dev->ee->lna_gain_5ghz[0];
-	else
-		dev->ee->lna_gain_5ghz[2] = gain;
+		caldata->rssi_offset[i] = val;
+	}
 }
 
-static void
-mt76x0_set_rssi_offset(struct mt76x0_dev *dev, u8 *eeprom)
+static s8 mt76x0_get_delta(struct mt76x02_dev *dev)
 {
-	int i;
-	s8 *rssi_offset = dev->ee->rssi_offset_2ghz;
-
-	for (i = 0; i < 2; i++) {
-		rssi_offset[i] = eeprom[MT_EE_RSSI_OFFSET + i];
+	struct cfg80211_chan_def *chandef = &dev->mt76.chandef;
+	u8 val;
 
-		if (rssi_offset[i] < -10 || rssi_offset[i] > 10) {
-			dev_warn(dev->mt76.dev,
-				 "Warning: EEPROM RSSI is invalid %02hhx\n",
-				 rssi_offset[i]);
-			rssi_offset[i] = 0;
-		}
-	}
-
-	rssi_offset = dev->ee->rssi_offset_5ghz;
+	if (mt76x0_tssi_enabled(dev))
+		return 0;
 
-	for (i = 0; i < 3; i++) {
-		rssi_offset[i] = eeprom[MT_EE_RSSI_OFFSET_5GHZ + i];
+	if (chandef->width == NL80211_CHAN_WIDTH_80) {
+		val = mt76x02_eeprom_get(dev, MT_EE_5G_TARGET_POWER) >> 8;
+	} else if (chandef->width == NL80211_CHAN_WIDTH_40) {
+		u16 data;
 
-		if (rssi_offset[i] < -10 || rssi_offset[i] > 10) {
-			dev_warn(dev->mt76.dev,
-				 "Warning: EEPROM RSSI is invalid %02hhx\n",
-				 rssi_offset[i]);
-			rssi_offset[i] = 0;
-		}
+		data = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_DELTA_BW40);
+		if (chandef->chan->band == NL80211_BAND_5GHZ)
+			val = data >> 8;
+		else
+			val = data;
+	} else {
+		return 0;
 	}
+
+	return mt76x02_rate_power_val(val);
 }
 
-static u32
-calc_bw40_power_rate(u32 value, int delta)
+void mt76x0_get_tx_power_per_rate(struct mt76x02_dev *dev)
 {
-	u32 ret = 0;
-	int i, tmp;
-
-	for (i = 0; i < 4; i++) {
-		tmp = s6_to_int((value >> i*8) & 0xff) + delta;
-		ret |= (u32)(int_to_s6(tmp)) << i*8;
-	}
-
-	return ret;
+	struct ieee80211_channel *chan = dev->mt76.chandef.chan;
+	bool is_2ghz = chan->band == NL80211_BAND_2GHZ;
+	struct mt76_rate_power *t = &dev->mt76.rate_power;
+	s8 delta = mt76x0_get_delta(dev);
+	u16 val, addr;
+
+	memset(t, 0, sizeof(*t));
+
+	/* cck 1M, 2M, 5.5M, 11M */
+	val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_BYRATE_BASE);
+	t->cck[0] = t->cck[1] = s6_to_s8(val);
+	t->cck[2] = t->cck[3] = s6_to_s8(val >> 8);
+
+	/* ofdm 6M, 9M, 12M, 18M */
+	addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 2 : 0x120;
+	val = mt76x02_eeprom_get(dev, addr);
+	t->ofdm[0] = t->ofdm[1] = s6_to_s8(val);
+	t->ofdm[2] = t->ofdm[3] = s6_to_s8(val >> 8);
+
+	/* ofdm 24M, 36M, 48M, 54M */
+	addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 4 : 0x122;
+	val = mt76x02_eeprom_get(dev, addr);
+	t->ofdm[4] = t->ofdm[5] = s6_to_s8(val);
+	t->ofdm[6] = t->ofdm[7] = s6_to_s8(val >> 8);
+
+	/* ht-vht mcs 1ss 0, 1, 2, 3 */
+	addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 6 : 0x124;
+	val = mt76x02_eeprom_get(dev, addr);
+	t->ht[0] = t->ht[1] = t->vht[0] = t->vht[1] = s6_to_s8(val);
+	t->ht[2] = t->ht[3] = t->vht[2] = t->vht[3] = s6_to_s8(val >> 8);
+
+	/* ht-vht mcs 1ss 4, 5, 6 */
+	addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 8 : 0x126;
+	val = mt76x02_eeprom_get(dev, addr);
+	t->ht[4] = t->ht[5] = t->vht[4] = t->vht[5] = s6_to_s8(val);
+	t->ht[6] = t->vht[6] = s6_to_s8(val >> 8);
+
+	/* ht-vht mcs 1ss 0, 1, 2, 3 stbc */
+	addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 14 : 0xec;
+	val = mt76x02_eeprom_get(dev, addr);
+	t->stbc[0] = t->stbc[1] = s6_to_s8(val);
+	t->stbc[2] = t->stbc[3] = s6_to_s8(val >> 8);
+
+	/* ht-vht mcs 1ss 4, 5, 6 stbc */
+	addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 16 : 0xee;
+	val = mt76x02_eeprom_get(dev, addr);
+	t->stbc[4] = t->stbc[5] = s6_to_s8(val);
+	t->stbc[6] = t->stbc[7] = s6_to_s8(val >> 8);
+
+	/* vht mcs 8, 9 5GHz */
+	val = mt76x02_eeprom_get(dev, 0x132);
+	t->vht[7] = s6_to_s8(val);
+	t->vht[8] = s6_to_s8(val >> 8);
+
+	mt76x02_add_rate_power_offset(t, delta);
 }
 
-static s8
-get_delta(u8 val)
+void mt76x0_get_power_info(struct mt76x02_dev *dev, u8 *info)
 {
-	s8 ret;
+	struct mt76x0_chan_map {
+		u8 chan;
+		u8 offset;
+	} chan_map[] = {
+		{   2,  0 }, {   4,  1 }, {   6,  2 }, {   8,  3 },
+		{  10,  4 }, {  12,  5 }, {  14,  6 }, {  38,  0 },
+		{  44,  1 }, {  48,  2 }, {  54,  3 }, {  60,  4 },
+		{  64,  5 }, { 102,  6 }, { 108,  7 }, { 112,  8 },
+		{ 118,  9 }, { 124, 10 }, { 128, 11 }, { 134, 12 },
+		{ 140, 13 }, { 151, 14 }, { 157, 15 }, { 161, 16 },
+		{ 167, 17 }, { 171, 18 }, { 173, 19 },
+	};
+	struct ieee80211_channel *chan = dev->mt76.chandef.chan;
+	u8 offset, addr;
+	u16 data;
+	int i;
 
-	if (!field_valid(val) || !(val & BIT(7)))
-		return 0;
+	for (i = 0; i < ARRAY_SIZE(chan_map); i++) {
+		if (chan_map[i].chan <= chan->hw_value) {
+			offset = chan_map[i].offset;
+			break;
+		}
+	}
+	if (i == ARRAY_SIZE(chan_map))
+		offset = chan_map[0].offset;
+
+	if (chan->band == NL80211_BAND_2GHZ) {
+		addr = MT_EE_TX_POWER_DELTA_BW80 + offset;
+	} else {
+		switch (chan->hw_value) {
+		case 58:
+			offset = 8;
+			break;
+		case 106:
+			offset = 14;
+			break;
+		case 112:
+			offset = 20;
+			break;
+		case 155:
+			offset = 30;
+			break;
+		default:
+			break;
+		}
+		addr = MT_EE_TX_POWER_0_GRP4_TSSI_SLOPE + 2 + offset;
+	}
 
-	ret = val & 0x1f;
-	if (ret > 8)
-		ret = 8;
-	if (val & BIT(6))
-		ret = -ret;
+	data = mt76x02_eeprom_get(dev, addr);
 
-	return ret;
+	info[0] = data;
+	if (!info[0] || info[0] > 0x3f)
+		info[0] = 5;
+
+	info[1] = data >> 8;
+	if (!info[1] || info[1] > 0x3f)
+		info[1] = 5;
 }
 
-static void
-mt76x0_set_tx_power_per_rate(struct mt76x0_dev *dev, u8 *eeprom)
+static int mt76x0_check_eeprom(struct mt76x02_dev *dev)
 {
-	s8 bw40_delta_2g, bw40_delta_5g;
-	u32 val;
-	int i;
-
-	bw40_delta_2g = get_delta(eeprom[MT_EE_TX_POWER_DELTA_BW40]);
-	bw40_delta_5g = get_delta(eeprom[MT_EE_TX_POWER_DELTA_BW40 + 1]);
-
-	for (i = 0; i < 5; i++) {
-		val = get_unaligned_le32(eeprom + MT_EE_TX_POWER_BYRATE(i));
+	u16 val;
 
-		/* Skip last 16 bits. */
-		if (i == 4)
-			val &= 0x0000ffff;
+	val = get_unaligned_le16(dev->mt76.eeprom.data);
+	if (!val)
+		val = get_unaligned_le16(dev->mt76.eeprom.data +
+					 MT_EE_PCI_ID);
 
-		dev->ee->tx_pwr_cfg_2g[i][0] = val;
-		dev->ee->tx_pwr_cfg_2g[i][1] = calc_bw40_power_rate(val, bw40_delta_2g);
+	switch (val) {
+	case 0x7650:
+	case 0x7610:
+		return 0;
+	default:
+		dev_err(dev->mt76.dev, "EEPROM data check failed: %04x\n",
+			val);
+		return -EINVAL;
 	}
-
-	/* Reading per rate tx power for 5 GHz band is a bit more complex. Note
-	 * we mix 16 bit and 32 bit reads and sometimes do shifts.
-	 */
-	val = get_unaligned_le16(eeprom + 0x120);
-	val <<= 16;
-	dev->ee->tx_pwr_cfg_5g[0][0] = val;
-	dev->ee->tx_pwr_cfg_5g[0][1] = calc_bw40_power_rate(val, bw40_delta_5g);
-
-	val = get_unaligned_le32(eeprom + 0x122);
-	dev->ee->tx_pwr_cfg_5g[1][0] = val;
-	dev->ee->tx_pwr_cfg_5g[1][1] = calc_bw40_power_rate(val, bw40_delta_5g);
-
-	val = get_unaligned_le16(eeprom + 0x126);
-	dev->ee->tx_pwr_cfg_5g[2][0] = val;
-	dev->ee->tx_pwr_cfg_5g[2][1] = calc_bw40_power_rate(val, bw40_delta_5g);
-
-	val = get_unaligned_le16(eeprom + 0xec);
-	val <<= 16;
-	dev->ee->tx_pwr_cfg_5g[3][0] = val;
-	dev->ee->tx_pwr_cfg_5g[3][1] = calc_bw40_power_rate(val, bw40_delta_5g);
-
-	val = get_unaligned_le16(eeprom + 0xee);
-	dev->ee->tx_pwr_cfg_5g[4][0] = val;
-	dev->ee->tx_pwr_cfg_5g[4][1] = calc_bw40_power_rate(val, bw40_delta_5g);
 }
 
-static void
-mt76x0_set_tx_power_per_chan(struct mt76x0_dev *dev, u8 *eeprom)
+static int mt76x0_load_eeprom(struct mt76x02_dev *dev)
 {
-	int i;
-	u8 tx_pwr;
+	int found;
 
-	for (i = 0; i < 14; i++) {
-		tx_pwr = eeprom[MT_EE_TX_POWER_OFFSET_2GHZ + i];
-		if (tx_pwr <= 0x3f && tx_pwr > 0)
-			dev->ee->tx_pwr_per_chan[i] = tx_pwr;
-		else
-			dev->ee->tx_pwr_per_chan[i] = 5;
-	}
+	found = mt76_eeprom_init(&dev->mt76, MT76X0_EEPROM_SIZE);
+	if (found < 0)
+		return found;
 
-	for (i = 0; i < 40; i++) {
-		tx_pwr = eeprom[MT_EE_TX_POWER_OFFSET_5GHZ + i];
-		if (tx_pwr <= 0x3f && tx_pwr > 0)
-			dev->ee->tx_pwr_per_chan[14 + i] = tx_pwr;
-		else
-			dev->ee->tx_pwr_per_chan[14 + i] = 5;
-	}
+	if (found && !mt76x0_check_eeprom(dev))
+		return 0;
+
+	found = mt76x0_efuse_physical_size_check(dev);
+	if (found < 0)
+		return found;
 
-	dev->ee->tx_pwr_per_chan[54] = dev->ee->tx_pwr_per_chan[22];
-	dev->ee->tx_pwr_per_chan[55] = dev->ee->tx_pwr_per_chan[28];
-	dev->ee->tx_pwr_per_chan[56] = dev->ee->tx_pwr_per_chan[34];
-	dev->ee->tx_pwr_per_chan[57] = dev->ee->tx_pwr_per_chan[44];
+	return mt76x02_get_efuse_data(dev, 0, dev->mt76.eeprom.data,
+				      MT76X0_EEPROM_SIZE, MT_EE_READ);
 }
 
-int
-mt76x0_eeprom_init(struct mt76x0_dev *dev)
+int mt76x0_eeprom_init(struct mt76x02_dev *dev)
 {
-	u8 *eeprom;
-	int i, ret;
-
-	ret = mt76x0_efuse_physical_size_check(dev);
-	if (ret)
-		return ret;
-
-	dev->ee = devm_kzalloc(dev->mt76.dev, sizeof(*dev->ee), GFP_KERNEL);
-	if (!dev->ee)
-		return -ENOMEM;
+	u8 version, fae;
+	u16 data;
+	int err;
 
-	eeprom = kmalloc(MT76X0_EEPROM_SIZE, GFP_KERNEL);
-	if (!eeprom)
-		return -ENOMEM;
+	err = mt76x0_load_eeprom(dev);
+	if (err < 0)
+		return err;
 
-	for (i = 0; i + 16 <= MT76X0_EEPROM_SIZE; i += 16) {
-		ret = mt76x0_efuse_read(dev, i, eeprom + i, MT_EE_READ);
-		if (ret)
-			goto out;
-	}
+	data = mt76x02_eeprom_get(dev, MT_EE_VERSION);
+	version = data >> 8;
+	fae = data;
 
-	if (eeprom[MT_EE_VERSION_EE] > MT76X0U_EE_MAX_VER)
+	if (version > MT76X0U_EE_MAX_VER)
 		dev_warn(dev->mt76.dev,
 			 "Warning: unsupported EEPROM version %02hhx\n",
-			 eeprom[MT_EE_VERSION_EE]);
+			 version);
 	dev_info(dev->mt76.dev, "EEPROM ver:%02hhx fae:%02hhx\n",
-		 eeprom[MT_EE_VERSION_EE], eeprom[MT_EE_VERSION_FAE]);
-
-	mt76x0_set_macaddr(dev, eeprom);
-	mt76x0_set_chip_cap(dev, eeprom);
-	mt76x0_set_country_reg(dev, eeprom);
-	mt76x0_set_rf_freq_off(dev, eeprom);
-	mt76x0_set_temp_offset(dev, eeprom);
-	mt76x0_set_lna_gain(dev, eeprom);
-	mt76x0_set_rssi_offset(dev, eeprom);
-	dev->chainmask = 0x0101;
-
-	mt76x0_set_tx_power_per_rate(dev, eeprom);
-	mt76x0_set_tx_power_per_chan(dev, eeprom);
-
-out:
-	kfree(eeprom);
-	return ret;
+		 version, fae);
+
+	mt76x02_mac_setaddr(dev, dev->mt76.eeprom.data + MT_EE_MAC_ADDR);
+	mt76x0_set_chip_cap(dev);
+	mt76x0_set_freq_offset(dev);
+	mt76x0_set_temp_offset(dev);
+
+	dev->mt76.chainmask = 0x0101;
+
+	return 0;
 }
+
+MODULE_LICENSE("Dual BSD/GPL");