mt76: mt7615: add eeprom support for MT7622

When sending EEPROM data to the MCU, MT7622 uses a longer buffer
Co-developed-by: Shayne Chen <shayne.chen@mediatek.com>
Co-developed-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c

@@ -84,6 +84,7 @@ static int mt7615_check_eeprom(struct mt76_dev *dev)
 
 	switch (val) {
 	case 0x7615:
+	case 0x7622:
 		return 0;
 	default:
 		return -EINVAL;

drivers/net/wireless/mediatek/mt76/mt7615/eeprom.h

@@ -21,7 +21,8 @@ enum mt7615_eeprom_field {
 	MT_EE_TX2_5G_G0_TARGET_POWER =		0x142,
 	MT_EE_TX3_5G_G0_TARGET_POWER =		0x16a,
 
-	__MT_EE_MAX =				0x3bf
+	MT7615_EE_MAX =				0x3bf,
+	MT7622_EE_MAX =				0x3db,
 };
 
 #define MT_EE_NIC_CONF_TX_MASK			GENMASK(7, 4)

drivers/net/wireless/mediatek/mt76/mt7615/mcu.c

@@ -621,18 +621,23 @@ int mt7615_mcu_set_eeprom(struct mt7615_dev *dev)
 		__le16 len;
 	} __packed req_hdr = {
 		.buffer_mode = 1,
-		.len = cpu_to_le16(__MT_EE_MAX - MT_EE_NIC_CONF_0),
 	};
-	int ret, len = sizeof(req_hdr) + __MT_EE_MAX - MT_EE_NIC_CONF_0;
+	int ret, len, eep_len;
 	u8 *req, *eep = (u8 *)dev->mt76.eeprom.data;
 
+	if (is_mt7622(&dev->mt76))
+		eep_len = MT7622_EE_MAX - MT_EE_NIC_CONF_0;
+	else
+		eep_len = MT7615_EE_MAX - MT_EE_NIC_CONF_0;
+
+	len = sizeof(req_hdr) + eep_len;
 	req = kzalloc(len, GFP_KERNEL);
 	if (!req)
 		return -ENOMEM;
 
+	req_hdr.len = cpu_to_le16(eep_len);
 	memcpy(req, &req_hdr, sizeof(req_hdr));
-	memcpy(req + sizeof(req_hdr), eep + MT_EE_NIC_CONF_0,
-	       __MT_EE_MAX - MT_EE_NIC_CONF_0);
+	memcpy(req + sizeof(req_hdr), eep + MT_EE_NIC_CONF_0, eep_len);
 
 	ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_BUFFER_MODE,
 				  req, len, true);
@@ -1285,7 +1290,7 @@ int mt7615_mcu_set_tx_power(struct mt7615_phy *phy)
 	};
 	s8 tx_power;
 
-	len = sizeof(req_hdr) + __MT_EE_MAX - MT_EE_NIC_CONF_0;
+	len = sizeof(req_hdr) + MT7615_EE_MAX - MT_EE_NIC_CONF_0;
 	req = kzalloc(len, GFP_KERNEL);
 	if (!req)
 		return -ENOMEM;
@@ -1293,7 +1298,7 @@ int mt7615_mcu_set_tx_power(struct mt7615_phy *phy)
 	memcpy(req, &req_hdr, sizeof(req_hdr));
 	data = req + sizeof(req_hdr);
 	memcpy(data, eep + MT_EE_NIC_CONF_0,
-	       __MT_EE_MAX - MT_EE_NIC_CONF_0);
+	       MT7615_EE_MAX - MT_EE_NIC_CONF_0);
 
 	tx_power = hw->conf.power_level * 2;
 	switch (n_chains) {