Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 268 insertions, 0 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
new file mode 100644
index 0000000000..ff63f37f67
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
@@ -0,0 +1,268 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include <linux/etherdevice.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/thermal.h>
+#include <linux/firmware.h>
+#include "mt7921.h"
+#include "../mt76_connac2_mac.h"
+#include "mcu.h"
+
+static ssize_t mt7921_thermal_temp_show(struct device *dev,
+					struct device_attribute *attr,
+					char *buf)
+{
+	switch (to_sensor_dev_attr(attr)->index) {
+	case 0: {
+		struct mt792x_phy *phy = dev_get_drvdata(dev);
+		struct mt792x_dev *mdev = phy->dev;
+		int temperature;
+
+		mt792x_mutex_acquire(mdev);
+		temperature = mt7921_mcu_get_temperature(phy);
+		mt792x_mutex_release(mdev);
+
+		if (temperature < 0)
+			return temperature;
+		/* display in millidegree Celsius */
+		return sprintf(buf, "%u\n", temperature * 1000);
+	}
+	default:
+		return -EINVAL;
+	}
+}
+static SENSOR_DEVICE_ATTR_RO(temp1_input, mt7921_thermal_temp, 0);
+
+static struct attribute *mt7921_hwmon_attrs[] = {
+	&sensor_dev_attr_temp1_input.dev_attr.attr,
+	NULL,
+};
+ATTRIBUTE_GROUPS(mt7921_hwmon);
+
+static int mt7921_thermal_init(struct mt792x_phy *phy)
+{
+	struct wiphy *wiphy = phy->mt76->hw->wiphy;
+	struct device *hwmon;
+	const char *name;
+
+	if (!IS_REACHABLE(CONFIG_HWMON))
+		return 0;
+
+	name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7921_%s",
+			      wiphy_name(wiphy));
+
+	hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, phy,
+						       mt7921_hwmon_groups);
+	if (IS_ERR(hwmon))
+		return PTR_ERR(hwmon);
+
+	return 0;
+}
+
+static void
+mt7921_regd_notifier(struct wiphy *wiphy,
+		     struct regulatory_request *request)
+{
+	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
+	struct mt792x_dev *dev = mt792x_hw_dev(hw);
+
+	memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2));
+	dev->mt76.region = request->dfs_region;
+	dev->country_ie_env = request->country_ie_env;
+
+	mt792x_mutex_acquire(dev);
+	mt7921_mcu_set_clc(dev, request->alpha2, request->country_ie_env);
+	mt76_connac_mcu_set_channel_domain(hw->priv);
+	mt7921_set_tx_sar_pwr(hw, NULL);
+	mt792x_mutex_release(dev);
+}
+
+int mt7921_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);
+	/* enable hardware rx header translation */
+	mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_RX_HDR_TRANS_EN);
+
+	for (i = 0; i < MT792x_WTBL_SIZE; i++)
+		mt7921_mac_wtbl_update(dev, i,
+				       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+	for (i = 0; i < 2; i++)
+		mt792x_mac_init_band(dev, i);
+
+	return mt76_connac_mcu_set_rts_thresh(&dev->mt76, 0x92b, 0);
+}
+EXPORT_SYMBOL_GPL(mt7921_mac_init);
+
+static int __mt7921_init_hardware(struct mt792x_dev *dev)
+{
+	int ret;
+
+	/* force firmware operation mode into normal state,
+	 * which should be set before firmware download stage.
+	 */
+	mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
+	ret = mt792x_mcu_init(dev);
+	if (ret)
+		goto out;
+
+	mt76_eeprom_override(&dev->mphy);
+
+	ret = mt7921_mcu_set_eeprom(dev);
+	if (ret)
+		goto out;
+
+	ret = mt7921_mac_init(dev);
+out:
+	return ret;
+}
+
+static int mt7921_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 = __mt7921_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 mt7921_init_work(struct work_struct *work)
+{
+	struct mt792x_dev *dev = container_of(work, struct mt792x_dev,
+					      init_work);
+	int ret;
+
+	ret = mt7921_init_hardware(dev);
+	if (ret)
+		return;
+
+	mt76_set_stream_caps(&dev->mphy, true);
+	mt7921_set_stream_he_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 = mt7921_init_debugfs(dev);
+	if (ret) {
+		dev_err(dev->mt76.dev, "register debugfs failed\n");
+		return;
+	}
+
+	ret = mt7921_thermal_init(&dev->phy);
+	if (ret) {
+		dev_err(dev->mt76.dev, "thermal init failed\n");
+		return;
+	}
+
+	/* we support chip reset now */
+	dev->hw_init_done = true;
+
+	mt76_connac_mcu_set_deep_sleep(&dev->mt76, dev->pm.ds_enable);
+}
+
+int mt7921_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);
+	if (mt76_is_sdio(&dev->mt76))
+		init_waitqueue_head(&dev->mt76.sdio.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, mt7921_scan_work);
+	INIT_DELAYED_WORK(&dev->coredump.work, mt7921_coredump_work);
+#if IS_ENABLED(CONFIG_IPV6)
+	INIT_WORK(&dev->ipv6_ns_work, mt7921_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, mt7921_mac_reset_work);
+	INIT_WORK(&dev->init_work, mt7921_init_work);
+
+	INIT_WORK(&dev->phy.roc_work, mt7921_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 = mt7921_regd_notifier;
+	dev->mphy.sband_2g.sband.ht_cap.cap |=
+			IEEE80211_HT_CAP_LDPC_CODING |
+			IEEE80211_HT_CAP_MAX_AMSDU;
+	dev->mphy.sband_5g.sband.ht_cap.cap |=
+			IEEE80211_HT_CAP_LDPC_CODING |
+			IEEE80211_HT_CAP_MAX_AMSDU;
+	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);
+	if (is_mt7922(&dev->mt76))
+		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(mt7921_register_device);