1 // SPDX-License-Identifier: ISC
10 #include <linux/nvmem-consumer.h>
18 	struct device_node *np = dev->dev->of_node;  in mt76_get_of_eeprom_data()
22 	data = of_get_property(np, "mediatek,eeprom-data", &size);  in mt76_get_of_eeprom_data()
24 		return -ENOENT;  in mt76_get_of_eeprom_data()
27 		return -EINVAL;  in mt76_get_of_eeprom_data()
38 	return -ENOENT;  in mt76_get_of_data_from_mtd()
40 	struct device_node *np = dev->dev->of_node;  in mt76_get_of_data_from_mtd()
49 	list = of_get_property(np, "mediatek,mtd-eeprom", &size);  in mt76_get_of_data_from_mtd()
51 		return -ENOENT;  in mt76_get_of_data_from_mtd()
55 		return -ENOENT;  in mt76_get_of_data_from_mtd()
59 		return -EINVAL;  in mt76_get_of_data_from_mtd()
63 		part = np->name;  in mt76_get_of_data_from_mtd()
72 		ret = -EINVAL;  in mt76_get_of_data_from_mtd()
82 		dev_err(dev->dev, "reading EEPROM from mtd %s failed: %i\n",  in mt76_get_of_data_from_mtd()
88 		ret = -EINVAL;  in mt76_get_of_data_from_mtd()
92 	if (of_property_read_bool(dev->dev->of_node, "big-endian")) {  in mt76_get_of_data_from_mtd()
103 	dev->test_mtd.name = devm_kstrdup(dev->dev, part, GFP_KERNEL);  in mt76_get_of_data_from_mtd()
104 	dev->test_mtd.offset = offset;  in mt76_get_of_data_from_mtd()
118 	return -EOPNOTSUPP;  in mt76_get_of_data_from_nvmem()
120 	struct device_node *np = dev->dev->of_node;  in mt76_get_of_data_from_nvmem()
137 		ret = -EINVAL;  in mt76_get_of_data_from_nvmem()
154 	return -ENOENT;  in mt76_get_of_eeprom()
156 	struct device_node *np = dev->dev->of_node;  in mt76_get_of_eeprom()
160 		return -ENOENT;  in mt76_get_of_eeprom()
177 	struct mt76_dev *dev = phy->dev;  in mt76_eeprom_override()
179 	struct device_node *np = dev->dev->of_node;  in mt76_eeprom_override()
181 	of_get_mac_address(np, phy->macaddr);  in mt76_eeprom_override()
183 	if (!is_valid_ether_addr(phy->macaddr)) {  in mt76_eeprom_override()
185 		eth_random_addr(phy->macaddr);  in mt76_eeprom_override()
186 		dev_info(dev->dev,  in mt76_eeprom_override()
188 			 phy->macaddr);  in mt76_eeprom_override()
216 	struct device_node *np = dev->dev->of_node;  in mt76_find_power_limits_node()
226 	if (dev->region < ARRAY_SIZE(region_names))  in mt76_find_power_limits_node()
227 		region_name = region_names[dev->region];  in mt76_find_power_limits_node()
229 	np = of_get_child_by_name(np, "power-limits");  in mt76_find_power_limits_node()
242 		if (mt76_string_prop_find(country, dev->alpha2) ||  in mt76_find_power_limits_node()
261 	if (!prop || !prop->value || prop->length < min * 4)  in mt76_get_of_array()
264 	*len = prop->length;  in mt76_get_of_array()
266 	return prop->value;  in mt76_get_of_array()
284 			if (chan->hw_value >= be32_to_cpu(val[0]) &&  in mt76_find_channel_node()
285 			    chan->hw_value <= be32_to_cpu(val[1]))  in mt76_find_channel_node()
289 			len -= 2 * sizeof(*val);  in mt76_find_channel_node()
304 	val = mt76_get_of_array(np, "txs-delta", &len, nss);  in mt76_get_txs_delta()
308 	return be32_to_cpu(val[nss - 1]);  in mt76_get_txs_delta()
345 		if (--cur > 0)  in mt76_apply_multi_array_limit()
349 		len -= pwr_len + 1;  in mt76_apply_multi_array_limit()
363 	struct mt76_dev *dev = phy->dev;  in mt76_get_rate_power_limits()
369 	u32 mcs_rates = dev->drv->mcs_rates;  in mt76_get_rate_power_limits()
371 	u32 ru_rates = ARRAY_SIZE(dest->ru[0]);  in mt76_get_rate_power_limits()
393 	switch (chan->band) {  in mt76_get_rate_power_limits()
407 	snprintf(name, sizeof(name), "txpower-%cg", band);  in mt76_get_rate_power_limits()
416 	txs_delta = mt76_get_txs_delta(np, hweight16(phy->chainmask));  in mt76_get_rate_power_limits()
418 	val = mt76_get_of_array(np, "rates-cck", &len, ARRAY_SIZE(dest->cck));  in mt76_get_rate_power_limits()
419 	mt76_apply_array_limit(dest->cck, ARRAY_SIZE(dest->cck), val,  in mt76_get_rate_power_limits()
422 	val = mt76_get_of_array(np, "rates-ofdm",  in mt76_get_rate_power_limits()
423 				&len, ARRAY_SIZE(dest->ofdm));  in mt76_get_rate_power_limits()
424 	mt76_apply_array_limit(dest->ofdm, ARRAY_SIZE(dest->ofdm), val,  in mt76_get_rate_power_limits()
427 	val = mt76_get_of_array(np, "rates-mcs", &len, mcs_rates + 1);  in mt76_get_rate_power_limits()
428 	mt76_apply_multi_array_limit(dest->mcs[0], ARRAY_SIZE(dest->mcs[0]),  in mt76_get_rate_power_limits()
429 				     ARRAY_SIZE(dest->mcs), val, len,  in mt76_get_rate_power_limits()
432 	val = mt76_get_of_array(np, "rates-ru", &len, ru_rates + 1);  in mt76_get_rate_power_limits()
433 	mt76_apply_multi_array_limit(dest->ru[0], ARRAY_SIZE(dest->ru[0]),  in mt76_get_rate_power_limits()
434 				     ARRAY_SIZE(dest->ru), val, len,  in mt76_get_rate_power_limits()
445 	dev->eeprom.size = len;  in mt76_eeprom_init()
446 	dev->eeprom.data = devm_kzalloc(dev->dev, len, GFP_KERNEL);  in mt76_eeprom_init()
447 	if (!dev->eeprom.data)  in mt76_eeprom_init()
448 		return -ENOMEM;  in mt76_eeprom_init()
450 	return !mt76_get_of_eeprom(dev, dev->eeprom.data, len);  in mt76_eeprom_init()