diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7925/init.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7925/init.c | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/init.c b/drivers/net/wireless/mediatek/mt76/mt7925/init.c new file mode 100644 index 0000000000..8f9b7a2f37 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7925/init.c @@ -0,0 +1,235 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2023 MediaTek Inc. */ + +#include <linux/etherdevice.h> +#include <linux/firmware.h> +#include "mt7925.h" +#include "mac.h" +#include "mcu.h" + +static void +mt7925_regd_notifier(struct wiphy *wiphy, + struct regulatory_request *req) +{ + struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); + struct mt792x_dev *dev = mt792x_hw_dev(hw); + struct mt76_dev *mdev = &dev->mt76; + + /* allow world regdom at the first boot only */ + if (!memcmp(req->alpha2, "00", 2) && + mdev->alpha2[0] && mdev->alpha2[1]) + return; + + /* do not need to update the same country twice */ + if (!memcmp(req->alpha2, mdev->alpha2, 2) && + dev->country_ie_env == req->country_ie_env) + return; + + memcpy(mdev->alpha2, req->alpha2, 2); + mdev->region = req->dfs_region; + dev->country_ie_env = req->country_ie_env; + + mt792x_mutex_acquire(dev); + mt7925_mcu_set_clc(dev, req->alpha2, req->country_ie_env); + mt7925_mcu_set_channel_domain(hw->priv); + mt7925_set_tx_sar_pwr(hw, NULL); + mt792x_mutex_release(dev); +} + +static void mt7925_mac_init_basic_rates(struct mt792x_dev *dev) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(mt76_rates); i++) { + u16 rate = mt76_rates[i].hw_value; + u16 idx = MT792x_BASIC_RATES_TBL + i; + + rate = FIELD_PREP(MT_TX_RATE_MODE, rate >> 8) | + FIELD_PREP(MT_TX_RATE_IDX, rate & GENMASK(7, 0)); + mt7925_mac_set_fixed_rate_table(dev, idx, rate); + } +} + +int mt7925_mac_init(struct mt792x_dev *dev) +{ + int i; + + mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536); + /* enable hardware de-agg */ + mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN); + + for (i = 0; i < MT792x_WTBL_SIZE; i++) + mt7925_mac_wtbl_update(dev, i, + MT_WTBL_UPDATE_ADM_COUNT_CLEAR); + for (i = 0; i < 2; i++) + mt792x_mac_init_band(dev, i); + + mt7925_mac_init_basic_rates(dev); + + memzero_explicit(&dev->mt76.alpha2, sizeof(dev->mt76.alpha2)); + + return 0; +} +EXPORT_SYMBOL_GPL(mt7925_mac_init); + +static int __mt7925_init_hardware(struct mt792x_dev *dev) +{ + int ret; + + ret = mt792x_mcu_init(dev); + if (ret) + goto out; + + mt76_eeprom_override(&dev->mphy); + + ret = mt7925_mcu_set_eeprom(dev); + if (ret) + goto out; + + ret = mt7925_mac_init(dev); + if (ret) + goto out; + +out: + return ret; +} + +static int mt7925_init_hardware(struct mt792x_dev *dev) +{ + int ret, i; + + set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); + + for (i = 0; i < MT792x_MCU_INIT_RETRY_COUNT; i++) { + ret = __mt7925_init_hardware(dev); + if (!ret) + break; + + mt792x_init_reset(dev); + } + + if (i == MT792x_MCU_INIT_RETRY_COUNT) { + dev_err(dev->mt76.dev, "hardware init failed\n"); + return ret; + } + + return 0; +} + +static void mt7925_init_work(struct work_struct *work) +{ + struct mt792x_dev *dev = container_of(work, struct mt792x_dev, + init_work); + int ret; + + ret = mt7925_init_hardware(dev); + if (ret) + return; + + mt76_set_stream_caps(&dev->mphy, true); + mt7925_set_stream_he_eht_caps(&dev->phy); + + ret = mt76_register_device(&dev->mt76, true, mt76_rates, + ARRAY_SIZE(mt76_rates)); + if (ret) { + dev_err(dev->mt76.dev, "register device failed\n"); + return; + } + + ret = mt7925_init_debugfs(dev); + if (ret) { + dev_err(dev->mt76.dev, "register debugfs failed\n"); + return; + } + + /* we support chip reset now */ + dev->hw_init_done = true; + + mt7925_mcu_set_deep_sleep(dev, dev->pm.ds_enable); +} + +int mt7925_register_device(struct mt792x_dev *dev) +{ + struct ieee80211_hw *hw = mt76_hw(dev); + int ret; + + dev->phy.dev = dev; + dev->phy.mt76 = &dev->mt76.phy; + dev->mt76.phy.priv = &dev->phy; + dev->mt76.tx_worker.fn = mt792x_tx_worker; + + INIT_DELAYED_WORK(&dev->pm.ps_work, mt792x_pm_power_save_work); + INIT_WORK(&dev->pm.wake_work, mt792x_pm_wake_work); + spin_lock_init(&dev->pm.wake.lock); + mutex_init(&dev->pm.mutex); + init_waitqueue_head(&dev->pm.wait); + spin_lock_init(&dev->pm.txq_lock); + INIT_DELAYED_WORK(&dev->mphy.mac_work, mt792x_mac_work); + INIT_DELAYED_WORK(&dev->phy.scan_work, mt7925_scan_work); + INIT_DELAYED_WORK(&dev->coredump.work, mt7925_coredump_work); +#if IS_ENABLED(CONFIG_IPV6) + INIT_WORK(&dev->ipv6_ns_work, mt7925_set_ipv6_ns_work); + skb_queue_head_init(&dev->ipv6_ns_list); +#endif + skb_queue_head_init(&dev->phy.scan_event_list); + skb_queue_head_init(&dev->coredump.msg_list); + + INIT_WORK(&dev->reset_work, mt7925_mac_reset_work); + INIT_WORK(&dev->init_work, mt7925_init_work); + + INIT_WORK(&dev->phy.roc_work, mt7925_roc_work); + timer_setup(&dev->phy.roc_timer, mt792x_roc_timer, 0); + init_waitqueue_head(&dev->phy.roc_wait); + + dev->pm.idle_timeout = MT792x_PM_TIMEOUT; + dev->pm.stats.last_wake_event = jiffies; + dev->pm.stats.last_doze_event = jiffies; + if (!mt76_is_usb(&dev->mt76)) { + dev->pm.enable_user = true; + dev->pm.enable = true; + dev->pm.ds_enable_user = true; + dev->pm.ds_enable = true; + } + + if (!mt76_is_mmio(&dev->mt76)) + hw->extra_tx_headroom += MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE; + + mt792x_init_acpi_sar(dev); + + ret = mt792x_init_wcid(dev); + if (ret) + return ret; + + ret = mt792x_init_wiphy(hw); + if (ret) + return ret; + + hw->wiphy->reg_notifier = mt7925_regd_notifier; + dev->mphy.sband_2g.sband.ht_cap.cap |= + IEEE80211_HT_CAP_LDPC_CODING | + IEEE80211_HT_CAP_MAX_AMSDU; + dev->mphy.sband_2g.sband.ht_cap.ampdu_density = + IEEE80211_HT_MPDU_DENSITY_2; + dev->mphy.sband_5g.sband.ht_cap.cap |= + IEEE80211_HT_CAP_LDPC_CODING | + IEEE80211_HT_CAP_MAX_AMSDU; + dev->mphy.sband_2g.sband.ht_cap.ampdu_density = + IEEE80211_HT_MPDU_DENSITY_1; + dev->mphy.sband_5g.sband.vht_cap.cap |= + IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | + IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | + IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | + IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | + (3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); + dev->mphy.sband_5g.sband.vht_cap.cap |= + IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ | + IEEE80211_VHT_CAP_SHORT_GI_160; + + dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask; + dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask; + + queue_work(system_wq, &dev->init_work); + + return 0; +} +EXPORT_SYMBOL_GPL(mt7925_register_device); |