(Patches split into one patch per file for easier review, but the final
commit will be one big patch. See the cover letter for more info.)
Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Deren Wu <[email protected]>
---
.../net/wireless/mediatek/mt76/mt7925/init.c | 235 ++++++++++++++++++
1 file changed, 235 insertions(+)
create mode 100644 drivers/net/wireless/mediatek/mt76/mt7925/init.c
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 000000000000..8f9b7a2f376c
--- /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);
--
2.18.0