1 // SPDX-License-Identifier: ISC
8 #include "eeprom.h"
12 	u8 *eeprom = dev->mt76.eeprom.data;  in mt7996_check_eeprom()  local
13 	u16 val = get_unaligned_le16(eeprom);  in mt7996_check_eeprom()
17 		return is_mt7996(&dev->mt76) ? 0 : -EINVAL;  in mt7996_check_eeprom()
19 		return is_mt7992(&dev->mt76) ? 0 : -EINVAL;  in mt7996_check_eeprom()
21 		return -EINVAL;  in mt7996_check_eeprom()
27 	switch (mt76_chip(&dev->mt76)) {  in mt7996_eeprom_name()
29 		switch (dev->var.type) {  in mt7996_eeprom_name()
31 			if (dev->var.fem == MT7996_FEM_INT)  in mt7996_eeprom_name()
36 			if (dev->var.fem == MT7996_FEM_INT)  in mt7996_eeprom_name()
38 			if (dev->var.fem == MT7996_FEM_MIX)  in mt7996_eeprom_name()
44 		switch (dev->var.type) {  in mt7996_eeprom_name()
46 			if (dev->var.fem == MT7996_FEM_INT)  in mt7996_eeprom_name()
51 			if (dev->var.fem == MT7996_FEM_INT)  in mt7996_eeprom_name()
59 mt7996_eeprom_parse_stream(const u8 *eeprom, u8 band_idx, u8 *path,  in mt7996_eeprom_parse_stream()  argument
65 				  eeprom[MT_EE_WIFI_CONF + 2]);  in mt7996_eeprom_parse_stream()
67 				     eeprom[MT_EE_WIFI_CONF + 3]);  in mt7996_eeprom_parse_stream()
69 				 eeprom[MT_EE_WIFI_CONF + 5]);  in mt7996_eeprom_parse_stream()
73 				  eeprom[MT_EE_WIFI_CONF + 2]);  in mt7996_eeprom_parse_stream()
75 				     eeprom[MT_EE_WIFI_CONF + 4]);  in mt7996_eeprom_parse_stream()
77 				 eeprom[MT_EE_WIFI_CONF + 5]);  in mt7996_eeprom_parse_stream()
81 				  eeprom[MT_EE_WIFI_CONF + 1]);  in mt7996_eeprom_parse_stream()
83 				     eeprom[MT_EE_WIFI_CONF + 3]);  in mt7996_eeprom_parse_stream()
85 				 eeprom[MT_EE_WIFI_CONF + 4]);  in mt7996_eeprom_parse_stream()
94 	u8 *eeprom = dev->mt76.eeprom.data, fem[2];  in mt7996_eeprom_variant_valid()  local
98 		fem[i] = u8_get_bits(eeprom[MT_EE_WIFI_CONF + 6 + i],  in mt7996_eeprom_variant_valid()
101 	if (dev->var.fem == MT7996_FEM_EXT &&  in mt7996_eeprom_variant_valid()
104 	else if (dev->var.fem == MT7996_FEM_INT &&  in mt7996_eeprom_variant_valid()
107 	else if (dev->var.fem == MT7996_FEM_MIX &&  in mt7996_eeprom_variant_valid()
115 		if (!dev->mt76.phys[i])  in mt7996_eeprom_variant_valid()
118 		mt7996_eeprom_parse_stream(eeprom, i, &path, &rx_path, &nss);  in mt7996_eeprom_variant_valid()
131 	u8 *eeprom = dev->mt76.eeprom.data;  in mt7996_eeprom_check_or_use_default()  local
135 	ret = request_firmware(&fw, mt7996_eeprom_name(dev), dev->mt76.dev);  in mt7996_eeprom_check_or_use_default()
139 	if (!fw || !fw->data) {  in mt7996_eeprom_check_or_use_default()
140 		dev_err(dev->mt76.dev, "Invalid default bin\n");  in mt7996_eeprom_check_or_use_default()
141 		ret = -EINVAL;  in mt7996_eeprom_check_or_use_default()
145 	if (!use_default && mt7996_eeprom_variant_valid(dev, fw->data))  in mt7996_eeprom_check_or_use_default()
148 	dev_warn(dev->mt76.dev, "eeprom load fail, use default bin\n");  in mt7996_eeprom_check_or_use_default()
149 	memcpy(eeprom, fw->data, MT7996_EEPROM_SIZE);  in mt7996_eeprom_check_or_use_default()
150 	dev->flash_mode = true;  in mt7996_eeprom_check_or_use_default()
163 	ret = mt76_eeprom_init(&dev->mt76, MT7996_EEPROM_SIZE);  in mt7996_eeprom_load()
168 		dev->flash_mode = true;  in mt7996_eeprom_load()
172 	if (!dev->flash_mode) {  in mt7996_eeprom_load()
178 		memset(dev->mt76.eeprom.data, 0, MT7996_EEPROM_SIZE);  in mt7996_eeprom_load()
189 		/* check if eeprom data from fw is valid */  in mt7996_eeprom_load()
196 		/* read eeprom data from fw */  in mt7996_eeprom_load()
200 			if (i == block_num - 1)  in mt7996_eeprom_load()
204 			if (ret && ret != -EINVAL) {  in mt7996_eeprom_load()
221 	struct mt7996_dev *dev = phy->dev;  in mt7996_eeprom_parse_efuse_hw_cap()
230 		u8 band_offs = phy->mt76->band_idx * 3;  in mt7996_eeprom_parse_efuse_hw_cap()
232 		dev->has_eht = !(cap & MODE_HE_ONLY);  in mt7996_eeprom_parse_efuse_hw_cap()
233 		dev->wtbl_size_group = u32_get_bits(cap, WTBL_SIZE_GROUP);  in mt7996_eeprom_parse_efuse_hw_cap()
239 	if (dev->wtbl_size_group < 2 || dev->wtbl_size_group > 4)  in mt7996_eeprom_parse_efuse_hw_cap()
240 		dev->wtbl_size_group = is_mt7996(&dev->mt76) ? 4 : 2;  in mt7996_eeprom_parse_efuse_hw_cap()
247 	u8 *eeprom = phy->dev->mt76.eeprom.data;  in mt7996_eeprom_parse_band_config()  local
248 	u32 val = eeprom[MT_EE_WIFI_CONF];  in mt7996_eeprom_parse_band_config()
251 	switch (phy->mt76->band_idx) {  in mt7996_eeprom_parse_band_config()
256 		val = eeprom[MT_EE_WIFI_CONF + 1];  in mt7996_eeprom_parse_band_config()
266 		phy->mt76->cap.has_2ghz = true;  in mt7996_eeprom_parse_band_config()
269 		phy->mt76->cap.has_5ghz = true;  in mt7996_eeprom_parse_band_config()
272 		phy->mt76->cap.has_6ghz = true;  in mt7996_eeprom_parse_band_config()
275 		ret = -EINVAL;  in mt7996_eeprom_parse_band_config()
284 	u8 path, rx_path, nss, band_idx = phy->mt76->band_idx;  in mt7996_eeprom_parse_hw_cap()
285 	u8 *eeprom = dev->mt76.eeprom.data;  in mt7996_eeprom_parse_hw_cap()  local
286 	struct mt76_phy *mphy = phy->mt76;  in mt7996_eeprom_parse_hw_cap()
290 	mt7996_eeprom_parse_stream(eeprom, band_idx, &path, &rx_path, &nss);  in mt7996_eeprom_parse_hw_cap()
304 		phy->has_aux_rx = true;  in mt7996_eeprom_parse_hw_cap()
306 	mphy->antenna_mask = BIT(nss) - 1;  in mt7996_eeprom_parse_hw_cap()
307 	mphy->chainmask = (BIT(path) - 1) << dev->chainshift[band_idx];  in mt7996_eeprom_parse_hw_cap()
308 	phy->orig_chainmask = mphy->chainmask;  in mt7996_eeprom_parse_hw_cap()
309 	dev->chainmask |= mphy->chainmask;  in mt7996_eeprom_parse_hw_cap()
311 		dev->chainshift[band_idx + 1] = dev->chainshift[band_idx] +  in mt7996_eeprom_parse_hw_cap()
312 						hweight16(mphy->chainmask);  in mt7996_eeprom_parse_hw_cap()
325 	ret = mt7996_eeprom_parse_hw_cap(dev, &dev->phy);  in mt7996_eeprom_init()
329 	memcpy(dev->mphy.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR, ETH_ALEN);  in mt7996_eeprom_init()
330 	mt76_eeprom_override(&dev->mphy);  in mt7996_eeprom_init()
338 	u8 *eeprom = dev->mt76.eeprom.data;  in mt7996_eeprom_get_target_power()  local
341 	if (chan->band == NL80211_BAND_5GHZ)  in mt7996_eeprom_get_target_power()
342 		target_power = eeprom[MT_EE_TX0_POWER_5G +  in mt7996_eeprom_get_target_power()
343 				      mt7996_get_channel_group_5g(chan->hw_value)];  in mt7996_eeprom_get_target_power()
344 	else if (chan->band == NL80211_BAND_6GHZ)  in mt7996_eeprom_get_target_power()
345 		target_power = eeprom[MT_EE_TX0_POWER_6G +  in mt7996_eeprom_get_target_power()
346 				      mt7996_get_channel_group_6g(chan->hw_value)];  in mt7996_eeprom_get_target_power()
348 		target_power = eeprom[MT_EE_TX0_POWER_2G];  in mt7996_eeprom_get_target_power()
355 	u8 *eeprom = dev->mt76.eeprom.data;  in mt7996_eeprom_get_power_delta()  local
360 		val = eeprom[MT_EE_RATE_DELTA_5G];  in mt7996_eeprom_get_power_delta()
362 		val = eeprom[MT_EE_RATE_DELTA_6G];  in mt7996_eeprom_get_power_delta()
364 		val = eeprom[MT_EE_RATE_DELTA_2G];  in mt7996_eeprom_get_power_delta()
371 	return val & MT_EE_RATE_DELTA_SIGN ? delta : -delta;  in mt7996_eeprom_get_power_delta()