1 files changed, 78 insertions, 265 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
index bf1da9fddfab..ff63f37f67d9 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
@@ -2,259 +2,84 @@
 /* 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 const struct ieee80211_iface_limit if_limits[] = {
-	{
-		.max = MT7921_MAX_INTERFACES,
-		.types = BIT(NL80211_IFTYPE_STATION)
-	},
-	{
-		.max = 1,
-		.types = BIT(NL80211_IFTYPE_AP)
+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 const struct ieee80211_iface_combination if_comb[] = {
-	{
-		.limits = if_limits,
-		.n_limits = ARRAY_SIZE(if_limits),
-		.max_interfaces = MT7921_MAX_INTERFACES,
-		.num_different_channels = 1,
-		.beacon_int_infra_match = true,
-	},
+static struct attribute *mt7921_hwmon_attrs[] = {
+	&sensor_dev_attr_temp1_input.dev_attr.attr,
+	NULL,
 };
+ATTRIBUTE_GROUPS(mt7921_hwmon);
 
-static const struct ieee80211_iface_limit if_limits_chanctx[] = {
-	{
-		.max = 2,
-		.types = BIT(NL80211_IFTYPE_STATION) |
-			 BIT(NL80211_IFTYPE_P2P_CLIENT)
-	},
-	{
-		.max = 1,
-		.types = BIT(NL80211_IFTYPE_AP) |
-			 BIT(NL80211_IFTYPE_P2P_GO)
-	}
-};
+static int mt7921_thermal_init(struct mt792x_phy *phy)
+{
+	struct wiphy *wiphy = phy->mt76->hw->wiphy;
+	struct device *hwmon;
+	const char *name;
 
-static const struct ieee80211_iface_combination if_comb_chanctx[] = {
-	{
-		.limits = if_limits_chanctx,
-		.n_limits = ARRAY_SIZE(if_limits_chanctx),
-		.max_interfaces = 2,
-		.num_different_channels = 2,
-		.beacon_int_infra_match = false,
-	}
-};
+	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 mt7921_dev *dev = mt7921_hw_dev(hw);
+	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;
 
-	mt7921_mutex_acquire(dev);
+	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);
-	mt7921_mutex_release(dev);
+	mt792x_mutex_release(dev);
 }
 
-static int
-mt7921_init_wiphy(struct ieee80211_hw *hw)
-{
-	struct mt7921_phy *phy = mt7921_hw_phy(hw);
-	struct mt7921_dev *dev = phy->dev;
-	struct wiphy *wiphy = hw->wiphy;
-
-	hw->queues = 4;
-	hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
-	hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
-	hw->netdev_features = NETIF_F_RXCSUM;
-
-	hw->radiotap_timestamp.units_pos =
-		IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US;
-
-	phy->slottime = 9;
-
-	hw->sta_data_size = sizeof(struct mt7921_sta);
-	hw->vif_data_size = sizeof(struct mt7921_vif);
-
-	if (dev->fw_features & MT7921_FW_CAP_CNM) {
-		wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
-		wiphy->iface_combinations = if_comb_chanctx;
-		wiphy->n_iface_combinations = ARRAY_SIZE(if_comb_chanctx);
-	} else {
-		wiphy->flags &= ~WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
-		wiphy->iface_combinations = if_comb;
-		wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
-	}
-	wiphy->flags &= ~(WIPHY_FLAG_IBSS_RSN | WIPHY_FLAG_4ADDR_AP |
-			  WIPHY_FLAG_4ADDR_STATION);
-	wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
-				 BIT(NL80211_IFTYPE_AP) |
-				 BIT(NL80211_IFTYPE_P2P_CLIENT) |
-				 BIT(NL80211_IFTYPE_P2P_GO);
-	wiphy->max_remain_on_channel_duration = 5000;
-	wiphy->max_scan_ie_len = MT76_CONNAC_SCAN_IE_LEN;
-	wiphy->max_scan_ssids = 4;
-	wiphy->max_sched_scan_plan_interval =
-		MT76_CONNAC_MAX_TIME_SCHED_SCAN_INTERVAL;
-	wiphy->max_sched_scan_ie_len = IEEE80211_MAX_DATA_LEN;
-	wiphy->max_sched_scan_ssids = MT76_CONNAC_MAX_SCHED_SCAN_SSID;
-	wiphy->max_match_sets = MT76_CONNAC_MAX_SCAN_MATCH;
-	wiphy->max_sched_scan_reqs = 1;
-	wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
-	wiphy->reg_notifier = mt7921_regd_notifier;
-
-	wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
-			   NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
-	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL);
-	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_LEGACY);
-	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HT);
-	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_VHT);
-	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HE);
-	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT);
-	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CAN_REPLACE_PTK0);
-
-	ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
-	ieee80211_hw_set(hw, HAS_RATE_CONTROL);
-	ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD);
-	ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD);
-	ieee80211_hw_set(hw, WANT_MONITOR_VIF);
-	ieee80211_hw_set(hw, SUPPORTS_PS);
-	ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
-	ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW);
-	ieee80211_hw_set(hw, CONNECTION_MONITOR);
-
-	if (dev->pm.enable)
-		ieee80211_hw_set(hw, CONNECTION_MONITOR);
-
-	hw->max_tx_fragments = 4;
-
-	return 0;
-}
-
-static void
-mt7921_mac_init_band(struct mt7921_dev *dev, u8 band)
-{
-	u32 mask, set;
-
-	mt76_rmw_field(dev, MT_TMAC_CTCR0(band),
-		       MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
-	mt76_set(dev, MT_TMAC_CTCR0(band),
-		 MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
-		 MT_TMAC_CTCR0_INS_DDLMT_EN);
-
-	mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
-	mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
-
-	/* enable MIB tx-rx time reporting */
-	mt76_set(dev, MT_MIB_SCR1(band), MT_MIB_TXDUR_EN);
-	mt76_set(dev, MT_MIB_SCR1(band), MT_MIB_RXDUR_EN);
-
-	mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 1536);
-	/* disable rx rate report by default due to hw issues */
-	mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN);
-
-	/* filter out non-resp frames and get instantaneous signal reporting */
-	mask = MT_WTBLOFF_TOP_RSCR_RCPI_MODE | MT_WTBLOFF_TOP_RSCR_RCPI_PARAM;
-	set = FIELD_PREP(MT_WTBLOFF_TOP_RSCR_RCPI_MODE, 0) |
-	      FIELD_PREP(MT_WTBLOFF_TOP_RSCR_RCPI_PARAM, 0x3);
-	mt76_rmw(dev, MT_WTBLOFF_TOP_RSCR(band), mask, set);
-}
-
-static u8
-mt7921_get_offload_capability(struct device *dev, const char *fw_wm)
-{
-	const struct mt76_connac2_fw_trailer *hdr;
-	struct mt7921_realease_info *rel_info;
-	const struct firmware *fw;
-	int ret, i, offset = 0;
-	const u8 *data, *end;
-	u8 offload_caps = 0;
-
-	ret = request_firmware(&fw, fw_wm, dev);
-	if (ret)
-		return ret;
-
-	if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
-		dev_err(dev, "Invalid firmware\n");
-		goto out;
-	}
-
-	data = fw->data;
-	hdr = (const void *)(fw->data + fw->size - sizeof(*hdr));
-
-	for (i = 0; i < hdr->n_region; i++) {
-		const struct mt76_connac2_fw_region *region;
-
-		region = (const void *)((const u8 *)hdr -
-					(hdr->n_region - i) * sizeof(*region));
-		offset += le32_to_cpu(region->len);
-	}
-
-	data += offset + 16;
-	rel_info = (struct mt7921_realease_info *)data;
-	data += sizeof(*rel_info);
-	end = data + le16_to_cpu(rel_info->len);
-
-	while (data < end) {
-		rel_info = (struct mt7921_realease_info *)data;
-		data += sizeof(*rel_info);
-
-		if (rel_info->tag == MT7921_FW_TAG_FEATURE) {
-			struct mt7921_fw_features *features;
-
-			features = (struct mt7921_fw_features *)data;
-			offload_caps = features->data;
-			break;
-		}
-
-		data += le16_to_cpu(rel_info->len) + rel_info->pad_len;
-	}
-
-out:
-	release_firmware(fw);
-
-	return offload_caps;
-}
-
-struct ieee80211_ops *
-mt7921_get_mac80211_ops(struct device *dev, void *drv_data, u8 *fw_features)
-{
-	struct ieee80211_ops *ops;
-
-	ops = devm_kmemdup(dev, &mt7921_ops, sizeof(mt7921_ops), GFP_KERNEL);
-	if (!ops)
-		return NULL;
-
-	*fw_features = mt7921_get_offload_capability(dev, drv_data);
-	if (!(*fw_features & MT7921_FW_CAP_CNM)) {
-		ops->remain_on_channel = NULL;
-		ops->cancel_remain_on_channel = NULL;
-		ops->add_chanctx = NULL;
-		ops->remove_chanctx = NULL;
-		ops->change_chanctx = NULL;
-		ops->assign_vif_chanctx = NULL;
-		ops->unassign_vif_chanctx = NULL;
-		ops->mgd_prepare_tx = NULL;
-		ops->mgd_complete_tx = NULL;
-	}
-	return ops;
-}
-EXPORT_SYMBOL_GPL(mt7921_get_mac80211_ops);
-
-int mt7921_mac_init(struct mt7921_dev *dev)
+int mt7921_mac_init(struct mt792x_dev *dev)
 {
 	int i;
 
@@ -264,17 +89,17 @@ int mt7921_mac_init(struct mt7921_dev *dev)
 	/* enable hardware rx header translation */
 	mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_RX_HDR_TRANS_EN);
 
-	for (i = 0; i < MT7921_WTBL_SIZE; i++)
+	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++)
-		mt7921_mac_init_band(dev, 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 mt7921_dev *dev)
+static int __mt7921_init_hardware(struct mt792x_dev *dev)
 {
 	int ret;
 
@@ -282,7 +107,7 @@ static int __mt7921_init_hardware(struct mt7921_dev *dev)
 	 * which should be set before firmware download stage.
 	 */
 	mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
-	ret = mt7921_mcu_init(dev);
+	ret = mt792x_mcu_init(dev);
 	if (ret)
 		goto out;
 
@@ -297,21 +122,21 @@ out:
 	return ret;
 }
 
-static int mt7921_init_hardware(struct mt7921_dev *dev)
+static int mt7921_init_hardware(struct mt792x_dev *dev)
 {
 	int ret, i;
 
 	set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
 
-	for (i = 0; i < MT7921_MCU_INIT_RETRY_COUNT; i++) {
+	for (i = 0; i < MT792x_MCU_INIT_RETRY_COUNT; i++) {
 		ret = __mt7921_init_hardware(dev);
 		if (!ret)
 			break;
 
-		mt7921_init_reset(dev);
+		mt792x_init_reset(dev);
 	}
 
-	if (i == MT7921_MCU_INIT_RETRY_COUNT) {
+	if (i == MT792x_MCU_INIT_RETRY_COUNT) {
 		dev_err(dev->mt76.dev, "hardware init failed\n");
 		return ret;
 	}
@@ -319,26 +144,9 @@ static int mt7921_init_hardware(struct mt7921_dev *dev)
 	return 0;
 }
 
-static int mt7921_init_wcid(struct mt7921_dev *dev)
-{
-	int idx;
-
-	/* Beacon and mgmt frames should occupy wcid 0 */
-	idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1);
-	if (idx)
-		return -ENOSPC;
-
-	dev->mt76.global_wcid.idx = idx;
-	dev->mt76.global_wcid.hw_key_idx = -1;
-	dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
-	rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
-
-	return 0;
-}
-
 static void mt7921_init_work(struct work_struct *work)
 {
-	struct mt7921_dev *dev = container_of(work, struct mt7921_dev,
+	struct mt792x_dev *dev = container_of(work, struct mt792x_dev,
 					      init_work);
 	int ret;
 
@@ -362,13 +170,19 @@ static void mt7921_init_work(struct work_struct *work)
 		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 mt7921_dev *dev)
+int mt7921_register_device(struct mt792x_dev *dev)
 {
 	struct ieee80211_hw *hw = mt76_hw(dev);
 	int ret;
@@ -376,17 +190,17 @@ int mt7921_register_device(struct mt7921_dev *dev)
 	dev->phy.dev = dev;
 	dev->phy.mt76 = &dev->mt76.phy;
 	dev->mt76.phy.priv = &dev->phy;
-	dev->mt76.tx_worker.fn = mt7921_tx_worker;
+	dev->mt76.tx_worker.fn = mt792x_tx_worker;
 
-	INIT_DELAYED_WORK(&dev->pm.ps_work, mt7921_pm_power_save_work);
-	INIT_WORK(&dev->pm.wake_work, mt7921_pm_wake_work);
+	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, mt7921_mac_work);
+	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)
@@ -395,17 +209,15 @@ int mt7921_register_device(struct mt7921_dev *dev)
 #endif
 	skb_queue_head_init(&dev->phy.scan_event_list);
 	skb_queue_head_init(&dev->coredump.msg_list);
-	INIT_LIST_HEAD(&dev->sta_poll_list);
-	spin_lock_init(&dev->sta_poll_lock);
 
 	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, mt7921_roc_timer, 0);
+	timer_setup(&dev->phy.roc_timer, mt792x_roc_timer, 0);
 	init_waitqueue_head(&dev->phy.roc_wait);
 
-	dev->pm.idle_timeout = MT7921_PM_TIMEOUT;
+	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)) {
@@ -418,16 +230,17 @@ int mt7921_register_device(struct mt7921_dev *dev)
 	if (!mt76_is_mmio(&dev->mt76))
 		hw->extra_tx_headroom += MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE;
 
-	mt7921_init_acpi_sar(dev);
+	mt792x_init_acpi_sar(dev);
 
-	ret = mt7921_init_wcid(dev);
+	ret = mt792x_init_wcid(dev);
 	if (ret)
 		return ret;
 
-	ret = mt7921_init_wiphy(hw);
+	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;