1 // SPDX-License-Identifier: ISC
3  * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
9 #include <linux/nvmem-consumer.h>
15 	struct device_node *np = dev->dev->of_node;  in mt76_get_of_eeprom_data()
19 	data = of_get_property(np, "mediatek,eeprom-data", &size);  in mt76_get_of_eeprom_data()
21 		return -ENOENT;  in mt76_get_of_eeprom_data()
24 		return -EINVAL;  in mt76_get_of_eeprom_data()
34 	struct device_node *np = dev->dev->of_node;  in mt76_get_of_data_from_mtd()
43 	list = of_get_property(np, "mediatek,mtd-eeprom", &size);  in mt76_get_of_data_from_mtd()
45 		return -ENOENT;  in mt76_get_of_data_from_mtd()
49 		return -ENOENT;  in mt76_get_of_data_from_mtd()
53 		return -EINVAL;  in mt76_get_of_data_from_mtd()
57 		part = np->name;  in mt76_get_of_data_from_mtd()
66 		ret = -EINVAL;  in mt76_get_of_data_from_mtd()
76 		dev_err(dev->dev, "reading EEPROM from mtd %s failed: %i\n",  in mt76_get_of_data_from_mtd()
82 		ret = -EINVAL;  in mt76_get_of_data_from_mtd()
86 	if (of_property_read_bool(dev->dev->of_node, "big-endian")) {  in mt76_get_of_data_from_mtd()
90 		/* convert eeprom data in Little Endian */  in mt76_get_of_data_from_mtd()
97 	dev->test_mtd.name = devm_kstrdup(dev->dev, part, GFP_KERNEL);  in mt76_get_of_data_from_mtd()
98 	dev->test_mtd.offset = offset;  in mt76_get_of_data_from_mtd()
105 	return -ENOENT;  in mt76_get_of_data_from_mtd()
113 	struct device_node *np = dev->dev->of_node;  in mt76_get_of_data_from_nvmem()
130 		ret = -EINVAL;  in mt76_get_of_data_from_nvmem()
145 	struct device_node *np = dev->dev->of_node;  in mt76_get_of_eeprom()
149 		return -ENOENT;  in mt76_get_of_eeprom()
159 	return mt76_get_of_data_from_nvmem(dev, eep, "eeprom", len);  in mt76_get_of_eeprom()
165 	struct mt76_dev *dev = phy->dev;  in mt76_eeprom_override()
166 	struct device_node *np = dev->dev->of_node;  in mt76_eeprom_override()
168 	of_get_mac_address(np, phy->macaddr);  in mt76_eeprom_override()
170 	if (!is_valid_ether_addr(phy->macaddr)) {  in mt76_eeprom_override()
171 		eth_random_addr(phy->macaddr);  in mt76_eeprom_override()
172 		dev_info(dev->dev,  in mt76_eeprom_override()
174 			 phy->macaddr);  in mt76_eeprom_override()
196 	struct device_node *np = dev->dev->of_node;  in mt76_find_power_limits_node()
206 	if (dev->region < ARRAY_SIZE(region_names))  in mt76_find_power_limits_node()
207 		region_name = region_names[dev->region];  in mt76_find_power_limits_node()
209 	np = of_get_child_by_name(np, "power-limits");  in mt76_find_power_limits_node()
222 		if (mt76_string_prop_find(country, dev->alpha2) ||  in mt76_find_power_limits_node()
235 mt76_get_of_array(struct device_node *np, char *name, size_t *len, int min)  in mt76_get_of_array()  argument
237 	struct property *prop = of_find_property(np, name, NULL);  in mt76_get_of_array()
239 	if (!prop || !prop->value || prop->length < min * 4)  in mt76_get_of_array()
242 	*len = prop->length;  in mt76_get_of_array()
244 	return prop->value;  in mt76_get_of_array()
260 			if (chan->hw_value >= be32_to_cpu(val[0]) &&  in mt76_find_channel_node()
261 			    chan->hw_value <= be32_to_cpu(val[1]))  in mt76_find_channel_node()
265 			len -= 2 * sizeof(*val);  in mt76_find_channel_node()
280 	val = mt76_get_of_array(np, "txs-delta", &len, nss);  in mt76_get_txs_delta()
284 	return be32_to_cpu(val[nss - 1]);  in mt76_get_txs_delta()
321 		if (--cur > 0)  in mt76_apply_multi_array_limit()
325 		len -= pwr_len + 1;  in mt76_apply_multi_array_limit()
338 	struct mt76_dev *dev = phy->dev;  in mt76_get_rate_power_limits()
341 	char name[16];  in mt76_get_rate_power_limits()  local
342 	u32 mcs_rates = dev->drv->mcs_rates;  in mt76_get_rate_power_limits()
343 	u32 ru_rates = ARRAY_SIZE(dest->ru[0]);  in mt76_get_rate_power_limits()
361 	switch (chan->band) {  in mt76_get_rate_power_limits()
375 	snprintf(name, sizeof(name), "txpower-%cg", band);  in mt76_get_rate_power_limits()
376 	np = of_get_child_by_name(np, name);  in mt76_get_rate_power_limits()
384 	txs_delta = mt76_get_txs_delta(np, hweight16(phy->chainmask));  in mt76_get_rate_power_limits()
386 	val = mt76_get_of_array(np, "rates-cck", &len, ARRAY_SIZE(dest->cck));  in mt76_get_rate_power_limits()
387 	mt76_apply_array_limit(dest->cck, ARRAY_SIZE(dest->cck), val,  in mt76_get_rate_power_limits()
390 	val = mt76_get_of_array(np, "rates-ofdm",  in mt76_get_rate_power_limits()
391 				&len, ARRAY_SIZE(dest->ofdm));  in mt76_get_rate_power_limits()
392 	mt76_apply_array_limit(dest->ofdm, ARRAY_SIZE(dest->ofdm), val,  in mt76_get_rate_power_limits()
395 	val = mt76_get_of_array(np, "rates-mcs", &len, mcs_rates + 1);  in mt76_get_rate_power_limits()
396 	mt76_apply_multi_array_limit(dest->mcs[0], ARRAY_SIZE(dest->mcs[0]),  in mt76_get_rate_power_limits()
397 				     ARRAY_SIZE(dest->mcs), val, len,  in mt76_get_rate_power_limits()
400 	val = mt76_get_of_array(np, "rates-ru", &len, ru_rates + 1);  in mt76_get_rate_power_limits()
401 	mt76_apply_multi_array_limit(dest->ru[0], ARRAY_SIZE(dest->ru[0]),  in mt76_get_rate_power_limits()
402 				     ARRAY_SIZE(dest->ru), val, len,  in mt76_get_rate_power_limits()
412 	dev->eeprom.size = len;  in mt76_eeprom_init()
413 	dev->eeprom.data = devm_kzalloc(dev->dev, len, GFP_KERNEL);  in mt76_eeprom_init()
414 	if (!dev->eeprom.data)  in mt76_eeprom_init()
415 		return -ENOMEM;  in mt76_eeprom_init()
417 	return !mt76_get_of_eeprom(dev, dev->eeprom.data, len);  in mt76_eeprom_init()