diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c | 116 |
1 files changed, 54 insertions, 62 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c index 497e762978cc..d4506b8b46fa 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c @@ -1,16 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/module.h> @@ -18,7 +10,7 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/etherdevice.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include "mt76x0.h" #include "eeprom.h" #include "../mt76x02_phy.h" @@ -60,18 +52,23 @@ static void mt76x0_set_chip_cap(struct mt76x02_dev *dev) mt76x02_eeprom_parse_hw_cap(dev); dev_dbg(dev->mt76.dev, "2GHz %d 5GHz %d\n", - dev->mt76.cap.has_2ghz, dev->mt76.cap.has_5ghz); + dev->mphy.cap.has_2ghz, dev->mphy.cap.has_5ghz); if (dev->no_2ghz) { - dev->mt76.cap.has_2ghz = false; + dev->mphy.cap.has_2ghz = false; dev_dbg(dev->mt76.dev, "mask out 2GHz support\n"); } + if (is_mt7630(dev)) { + dev->mphy.cap.has_5ghz = false; + dev_dbg(dev->mt76.dev, "mask out 5GHz support\n"); + } + if (!mt76x02_field_valid(nic_conf1 & 0xff)) nic_conf1 &= 0xff00; if (nic_conf1 & MT_EE_NIC_CONF_1_HW_RF_CTRL) - dev_err(dev->mt76.dev, + dev_dbg(dev->mt76.dev, "driver does not support HW RF ctrl\n"); if (!mt76x02_field_valid(nic_conf0 >> 8)) @@ -112,7 +109,7 @@ static void mt76x0_set_freq_offset(struct mt76x02_dev *dev) void mt76x0_read_rx_gain(struct mt76x02_dev *dev) { - struct ieee80211_channel *chan = dev->mt76.chandef.chan; + struct ieee80211_channel *chan = dev->mphy.chandef.chan; struct mt76x02_rx_freq_cal *caldata = &dev->cal.rx; s8 val, lna_5g[3], lna_2g; u16 rssi_offset; @@ -132,7 +129,7 @@ void mt76x0_read_rx_gain(struct mt76x02_dev *dev) static s8 mt76x0_get_delta(struct mt76x02_dev *dev) { - struct cfg80211_chan_def *chandef = &dev->mt76.chandef; + struct cfg80211_chan_def *chandef = &dev->mphy.chandef; u8 val; if (chandef->width == NL80211_CHAN_WIDTH_80) { @@ -152,11 +149,11 @@ static s8 mt76x0_get_delta(struct mt76x02_dev *dev) return mt76x02_rate_power_val(val); } -void mt76x0_get_tx_power_per_rate(struct mt76x02_dev *dev) +void mt76x0_get_tx_power_per_rate(struct mt76x02_dev *dev, + struct ieee80211_channel *chan, + struct mt76x02_rate_power *t) { - struct ieee80211_channel *chan = dev->mt76.chandef.chan; bool is_2ghz = chan->band == NL80211_BAND_2GHZ; - struct mt76_rate_power *t = &dev->mt76.rate_power; u16 val, addr; s8 delta; @@ -182,54 +179,42 @@ void mt76x0_get_tx_power_per_rate(struct mt76x02_dev *dev) /* ht-vht mcs 1ss 0, 1, 2, 3 */ addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 6 : 0x124; val = mt76x02_eeprom_get(dev, addr); - t->ht[0] = t->ht[1] = t->vht[0] = t->vht[1] = s6_to_s8(val); - t->ht[2] = t->ht[3] = t->vht[2] = t->vht[3] = s6_to_s8(val >> 8); + t->ht[0] = t->ht[1] = s6_to_s8(val); + t->ht[2] = t->ht[3] = s6_to_s8(val >> 8); /* ht-vht mcs 1ss 4, 5, 6 */ addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 8 : 0x126; val = mt76x02_eeprom_get(dev, addr); - t->ht[4] = t->ht[5] = t->vht[4] = t->vht[5] = s6_to_s8(val); - t->ht[6] = t->vht[6] = s6_to_s8(val >> 8); - - /* ht-vht mcs 1ss 0, 1, 2, 3 stbc */ - addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 14 : 0xec; - val = mt76x02_eeprom_get(dev, addr); - t->stbc[0] = t->stbc[1] = s6_to_s8(val); - t->stbc[2] = t->stbc[3] = s6_to_s8(val >> 8); - - /* ht-vht mcs 1ss 4, 5, 6 stbc */ - addr = is_2ghz ? MT_EE_TX_POWER_BYRATE_BASE + 16 : 0xee; - val = mt76x02_eeprom_get(dev, addr); - t->stbc[4] = t->stbc[5] = s6_to_s8(val); - t->stbc[6] = t->stbc[7] = s6_to_s8(val >> 8); + t->ht[4] = t->ht[5] = s6_to_s8(val); + t->ht[6] = t->ht[7] = s6_to_s8(val >> 8); /* vht mcs 8, 9 5GHz */ - val = mt76x02_eeprom_get(dev, 0x132); - t->vht[7] = s6_to_s8(val); - t->vht[8] = s6_to_s8(val >> 8); + val = mt76x02_eeprom_get(dev, 0x12c); + t->vht[0] = s6_to_s8(val); + t->vht[1] = s6_to_s8(val >> 8); delta = mt76x0_tssi_enabled(dev) ? 0 : mt76x0_get_delta(dev); mt76x02_add_rate_power_offset(t, delta); } -void mt76x0_get_power_info(struct mt76x02_dev *dev, u8 *info) +void mt76x0_get_power_info(struct mt76x02_dev *dev, + struct ieee80211_channel *chan, s8 *tp) { - struct mt76x0_chan_map { + static const struct mt76x0_chan_map { u8 chan; u8 offset; } chan_map[] = { - { 2, 0 }, { 4, 1 }, { 6, 2 }, { 8, 3 }, - { 10, 4 }, { 12, 5 }, { 14, 6 }, { 38, 0 }, - { 44, 1 }, { 48, 2 }, { 54, 3 }, { 60, 4 }, - { 64, 5 }, { 102, 6 }, { 108, 7 }, { 112, 8 }, - { 118, 9 }, { 124, 10 }, { 128, 11 }, { 134, 12 }, - { 140, 13 }, { 151, 14 }, { 157, 15 }, { 161, 16 }, - { 167, 17 }, { 171, 18 }, { 173, 19 }, + { 2, 0 }, { 4, 2 }, { 6, 4 }, { 8, 6 }, + { 10, 8 }, { 12, 10 }, { 14, 12 }, { 38, 0 }, + { 44, 2 }, { 48, 4 }, { 54, 6 }, { 60, 8 }, + { 64, 10 }, { 102, 12 }, { 108, 14 }, { 112, 16 }, + { 118, 18 }, { 124, 20 }, { 128, 22 }, { 134, 24 }, + { 140, 26 }, { 151, 28 }, { 157, 30 }, { 161, 32 }, + { 167, 34 }, { 171, 36 }, { 175, 38 }, }; - struct ieee80211_channel *chan = dev->mt76.chandef.chan; u8 offset, addr; + int i, idx = 0; u16 data; - int i; if (mt76x0_tssi_enabled(dev)) { s8 target_power; @@ -238,15 +223,15 @@ void mt76x0_get_power_info(struct mt76x02_dev *dev, u8 *info) data = mt76x02_eeprom_get(dev, MT_EE_5G_TARGET_POWER); else data = mt76x02_eeprom_get(dev, MT_EE_2G_TARGET_POWER); - target_power = (data & 0xff) - dev->mt76.rate_power.ofdm[7]; - info[0] = target_power + mt76x0_get_delta(dev); - info[1] = 0; + target_power = (data & 0xff) - dev->rate_power.ofdm[7]; + *tp = target_power + mt76x0_get_delta(dev); return; } for (i = 0; i < ARRAY_SIZE(chan_map); i++) { - if (chan_map[i].chan <= chan->hw_value) { + if (chan->hw_value <= chan_map[i].chan) { + idx = (chan->hw_value == chan_map[i].chan); offset = chan_map[i].offset; break; } @@ -258,13 +243,16 @@ void mt76x0_get_power_info(struct mt76x02_dev *dev, u8 *info) addr = MT_EE_TX_POWER_DELTA_BW80 + offset; } else { switch (chan->hw_value) { + case 42: + offset = 2; + break; case 58: offset = 8; break; case 106: offset = 14; break; - case 112: + case 122: offset = 20; break; case 155: @@ -277,14 +265,9 @@ void mt76x0_get_power_info(struct mt76x02_dev *dev, u8 *info) } data = mt76x02_eeprom_get(dev, addr); - - info[0] = data; - if (!info[0] || info[0] > 0x3f) - info[0] = 5; - - info[1] = data >> 8; - if (!info[1] || info[1] > 0x3f) - info[1] = 5; + *tp = data >> (8 * idx); + if (*tp < 0 || *tp > 0x3f) + *tp = 5; } static int mt76x0_check_eeprom(struct mt76x02_dev *dev) @@ -347,7 +330,15 @@ int mt76x0_eeprom_init(struct mt76x02_dev *dev) dev_info(dev->mt76.dev, "EEPROM ver:%02hhx fae:%02hhx\n", version, fae); - mt76x02_mac_setaddr(dev, dev->mt76.eeprom.data + MT_EE_MAC_ADDR); + memcpy(dev->mphy.macaddr, (u8 *)dev->mt76.eeprom.data + MT_EE_MAC_ADDR, + ETH_ALEN); + + err = mt76_eeprom_override(&dev->mphy); + if (err) + return err; + + mt76x02_mac_setaddr(dev, dev->mphy.macaddr); + mt76x0_set_chip_cap(dev); mt76x0_set_freq_offset(dev); mt76x0_set_temp_offset(dev); @@ -355,4 +346,5 @@ int mt76x0_eeprom_init(struct mt76x02_dev *dev) return 0; } +MODULE_DESCRIPTION("MediaTek MT76x EEPROM helpers"); MODULE_LICENSE("Dual BSD/GPL"); |
