Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Shayne Chen | 1221 | 95.09% | 3 | 42.86% |
StanleyYP Wang | 48 | 3.74% | 2 | 28.57% |
Ryder Lee | 14 | 1.09% | 1 | 14.29% |
Benjamin Lin | 1 | 0.08% | 1 | 14.29% |
Total | 1284 | 7 |
// SPDX-License-Identifier: ISC /* * Copyright (C) 2022 MediaTek Inc. */ #include <linux/firmware.h> #include "mt7996.h" #include "eeprom.h" static int mt7996_check_eeprom(struct mt7996_dev *dev) { u8 *eeprom = dev->mt76.eeprom.data; u16 val = get_unaligned_le16(eeprom); switch (val) { case 0x7990: return is_mt7996(&dev->mt76) ? 0 : -EINVAL; case 0x7992: return is_mt7992(&dev->mt76) ? 0 : -EINVAL; default: return -EINVAL; } } static char *mt7996_eeprom_name(struct mt7996_dev *dev) { switch (mt76_chip(&dev->mt76)) { case 0x7990: return MT7996_EEPROM_DEFAULT; case 0x7992: return MT7992_EEPROM_DEFAULT; default: return MT7996_EEPROM_DEFAULT; } } static int mt7996_eeprom_load_default(struct mt7996_dev *dev) { u8 *eeprom = dev->mt76.eeprom.data; const struct firmware *fw = NULL; int ret; ret = request_firmware(&fw, mt7996_eeprom_name(dev), dev->mt76.dev); if (ret) return ret; if (!fw || !fw->data) { dev_err(dev->mt76.dev, "Invalid default bin\n"); ret = -EINVAL; goto out; } memcpy(eeprom, fw->data, MT7996_EEPROM_SIZE); dev->flash_mode = true; out: release_firmware(fw); return ret; } static int mt7996_eeprom_load(struct mt7996_dev *dev) { int ret; ret = mt76_eeprom_init(&dev->mt76, MT7996_EEPROM_SIZE); if (ret < 0) return ret; if (ret) { dev->flash_mode = true; } else { u8 free_block_num; u32 block_num, i; u32 eeprom_blk_size = MT7996_EEPROM_BLOCK_SIZE; ret = mt7996_mcu_get_eeprom_free_block(dev, &free_block_num); if (ret < 0) return ret; /* efuse info isn't enough */ if (free_block_num >= 59) return -EINVAL; /* read eeprom data from efuse */ block_num = DIV_ROUND_UP(MT7996_EEPROM_SIZE, eeprom_blk_size); for (i = 0; i < block_num; i++) { ret = mt7996_mcu_get_eeprom(dev, i * eeprom_blk_size); if (ret < 0) return ret; } } return mt7996_check_eeprom(dev); } static int mt7996_eeprom_parse_efuse_hw_cap(struct mt7996_dev *dev) { #define MODE_HE_ONLY BIT(0) #define WTBL_SIZE_GROUP GENMASK(31, 28) u32 cap = 0; int ret; ret = mt7996_mcu_get_chip_config(dev, &cap); if (ret) return ret; if (cap) { dev->has_eht = !(cap & MODE_HE_ONLY); dev->wtbl_size_group = u32_get_bits(cap, WTBL_SIZE_GROUP); } if (dev->wtbl_size_group < 2 || dev->wtbl_size_group > 4 || is_mt7992(&dev->mt76)) dev->wtbl_size_group = 2; /* set default */ return 0; } static int mt7996_eeprom_parse_band_config(struct mt7996_phy *phy) { u8 *eeprom = phy->dev->mt76.eeprom.data; u32 val = eeprom[MT_EE_WIFI_CONF]; int ret = 0; switch (phy->mt76->band_idx) { case MT_BAND1: val = FIELD_GET(MT_EE_WIFI_CONF1_BAND_SEL, val); break; case MT_BAND2: val = eeprom[MT_EE_WIFI_CONF + 1]; val = FIELD_GET(MT_EE_WIFI_CONF2_BAND_SEL, val); break; default: val = FIELD_GET(MT_EE_WIFI_CONF0_BAND_SEL, val); break; } switch (val) { case MT_EE_BAND_SEL_2GHZ: phy->mt76->cap.has_2ghz = true; break; case MT_EE_BAND_SEL_5GHZ: phy->mt76->cap.has_5ghz = true; break; case MT_EE_BAND_SEL_6GHZ: phy->mt76->cap.has_6ghz = true; break; default: ret = -EINVAL; break; } return ret; } int mt7996_eeprom_parse_hw_cap(struct mt7996_dev *dev, struct mt7996_phy *phy) { u8 path, rx_path, nss, band_idx = phy->mt76->band_idx; u8 *eeprom = dev->mt76.eeprom.data; struct mt76_phy *mphy = phy->mt76; int max_path = 5, max_nss = 4; int ret; switch (band_idx) { case MT_BAND1: path = FIELD_GET(MT_EE_WIFI_CONF2_TX_PATH_BAND1, eeprom[MT_EE_WIFI_CONF + 2]); rx_path = FIELD_GET(MT_EE_WIFI_CONF3_RX_PATH_BAND1, eeprom[MT_EE_WIFI_CONF + 3]); nss = FIELD_GET(MT_EE_WIFI_CONF5_STREAM_NUM_BAND1, eeprom[MT_EE_WIFI_CONF + 5]); break; case MT_BAND2: path = FIELD_GET(MT_EE_WIFI_CONF2_TX_PATH_BAND2, eeprom[MT_EE_WIFI_CONF + 2]); rx_path = FIELD_GET(MT_EE_WIFI_CONF4_RX_PATH_BAND2, eeprom[MT_EE_WIFI_CONF + 4]); nss = FIELD_GET(MT_EE_WIFI_CONF5_STREAM_NUM_BAND2, eeprom[MT_EE_WIFI_CONF + 5]); break; default: path = FIELD_GET(MT_EE_WIFI_CONF1_TX_PATH_BAND0, eeprom[MT_EE_WIFI_CONF + 1]); rx_path = FIELD_GET(MT_EE_WIFI_CONF3_RX_PATH_BAND0, eeprom[MT_EE_WIFI_CONF + 3]); nss = FIELD_GET(MT_EE_WIFI_CONF4_STREAM_NUM_BAND0, eeprom[MT_EE_WIFI_CONF + 4]); break; } if (!path || path > max_path) path = max_path; if (!nss || nss > max_nss) nss = max_nss; nss = min_t(u8, nss, path); if (path != rx_path) phy->has_aux_rx = true; mphy->antenna_mask = BIT(nss) - 1; mphy->chainmask = (BIT(path) - 1) << dev->chainshift[band_idx]; dev->chainmask |= mphy->chainmask; if (band_idx < MT_BAND2) dev->chainshift[band_idx + 1] = dev->chainshift[band_idx] + hweight16(mphy->chainmask); ret = mt7996_eeprom_parse_efuse_hw_cap(dev); if (ret) return ret; return mt7996_eeprom_parse_band_config(phy); } int mt7996_eeprom_init(struct mt7996_dev *dev) { int ret; ret = mt7996_eeprom_load(dev); if (ret < 0) { if (ret != -EINVAL) return ret; dev_warn(dev->mt76.dev, "eeprom load fail, use default bin\n"); ret = mt7996_eeprom_load_default(dev); if (ret) return ret; } ret = mt7996_eeprom_parse_hw_cap(dev, &dev->phy); if (ret < 0) return ret; memcpy(dev->mphy.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR, ETH_ALEN); mt76_eeprom_override(&dev->mphy); return 0; } int mt7996_eeprom_get_target_power(struct mt7996_dev *dev, struct ieee80211_channel *chan) { u8 *eeprom = dev->mt76.eeprom.data; int target_power; if (chan->band == NL80211_BAND_5GHZ) target_power = eeprom[MT_EE_TX0_POWER_5G + mt7996_get_channel_group_5g(chan->hw_value)]; else if (chan->band == NL80211_BAND_6GHZ) target_power = eeprom[MT_EE_TX0_POWER_6G + mt7996_get_channel_group_6g(chan->hw_value)]; else target_power = eeprom[MT_EE_TX0_POWER_2G]; return target_power; } s8 mt7996_eeprom_get_power_delta(struct mt7996_dev *dev, int band) { u8 *eeprom = dev->mt76.eeprom.data; u32 val; s8 delta; if (band == NL80211_BAND_5GHZ) val = eeprom[MT_EE_RATE_DELTA_5G]; else if (band == NL80211_BAND_6GHZ) val = eeprom[MT_EE_RATE_DELTA_6G]; else val = eeprom[MT_EE_RATE_DELTA_2G]; if (!(val & MT_EE_RATE_DELTA_EN)) return 0; delta = FIELD_GET(MT_EE_RATE_DELTA_MASK, val); return val & MT_EE_RATE_DELTA_SIGN ? delta : -delta; }
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