1 files changed, 105 insertions, 103 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
index 0e6b43bb4678..90e5666c0857 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (C) 2015 Jakub Kicinski <kubakici@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/kernel.h>
@@ -40,10 +32,14 @@ static struct usb_device_id mt76x0_device_table[] = {
 	{ USB_DEVICE(0x20f4, 0x806b) },	/* TRENDnet TEW-806UBH  */
 	{ USB_DEVICE(0x7392, 0xc711) }, /* Devolo Wifi ac Stick */
 	{ USB_DEVICE(0x0df6, 0x0079) }, /* Sitecom Europe B.V. ac  Stick */
-	{ USB_DEVICE(0x2357, 0x0105),
-	  .driver_info = 1,	     }, /* TP-LINK Archer T1U */
-	{ USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7630, 0xff, 0x2, 0xff)}, /* MT7630U */
-	{ USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7650, 0xff, 0x2, 0xff)}, /* MT7650U */
+	{ USB_DEVICE(0x2357, 0x0123) }, /* TP-LINK T2UHP_US_v1 */
+	{ USB_DEVICE(0x2357, 0x010b) }, /* TP-LINK T2UHP_UN_v1 */
+	/* TP-LINK Archer T1U */
+	{ USB_DEVICE(0x2357, 0x0105), .driver_info = 1, },
+	/* MT7630U */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7630, 0xff, 0x2, 0xff)},
+	/* MT7650U */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7650, 0xff, 0x2, 0xff)},
 	{ 0, }
 };
 
@@ -76,26 +72,24 @@ static void mt76x0_init_usb_dma(struct mt76x02_dev *dev)
 
 static void mt76x0u_cleanup(struct mt76x02_dev *dev)
 {
-	clear_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
+	clear_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
 	mt76x0_chip_onoff(dev, false, false);
 	mt76u_queues_deinit(&dev->mt76);
-	mt76u_mcu_deinit(&dev->mt76);
 }
 
-static void mt76x0u_mac_stop(struct mt76x02_dev *dev)
+static void mt76x0u_stop(struct ieee80211_hw *hw, bool suspend)
 {
-	clear_bit(MT76_STATE_RUNNING, &dev->mt76.state);
+	struct mt76x02_dev *dev = hw->priv;
+
+	clear_bit(MT76_STATE_RUNNING, &dev->mphy.state);
 	cancel_delayed_work_sync(&dev->cal_work);
-	cancel_delayed_work_sync(&dev->mac_work);
-	mt76u_stop_stat_wk(&dev->mt76);
+	cancel_delayed_work_sync(&dev->mphy.mac_work);
+	mt76u_stop_tx(&dev->mt76);
+	mt76x02u_exit_beacon_config(dev);
 
-	if (test_bit(MT76_REMOVED, &dev->mt76.state))
+	if (test_bit(MT76_REMOVED, &dev->mphy.state))
 		return;
 
-	mt76_clear(dev, MT_BEACON_TIME_CFG, MT_BEACON_TIME_CFG_TIMER_EN |
-		   MT_BEACON_TIME_CFG_SYNC_MODE | MT_BEACON_TIME_CFG_TBTT_EN |
-		   MT_BEACON_TIME_CFG_BEACON_TX);
-
 	if (!mt76_poll(dev, MT_USB_DMA_CFG, MT_USB_DMA_CFG_TX_BUSY, 0, 1000))
 		dev_warn(dev->mt76.dev, "TX DMA did not stop\n");
 
@@ -110,34 +104,24 @@ static int mt76x0u_start(struct ieee80211_hw *hw)
 	struct mt76x02_dev *dev = hw->priv;
 	int ret;
 
-	mutex_lock(&dev->mt76.mutex);
-
-	ret = mt76x0_mac_start(dev);
+	ret = mt76x02u_mac_start(dev);
 	if (ret)
-		goto out;
+		return ret;
 
 	mt76x0_phy_calibrate(dev, true);
-	ieee80211_queue_delayed_work(dev->mt76.hw, &dev->mac_work,
-				     MT_CALIBRATE_INTERVAL);
+	ieee80211_queue_delayed_work(dev->mt76.hw, &dev->mphy.mac_work,
+				     MT_MAC_WORK_INTERVAL);
 	ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work,
 				     MT_CALIBRATE_INTERVAL);
-	set_bit(MT76_STATE_RUNNING, &dev->mt76.state);
-
-out:
-	mutex_unlock(&dev->mt76.mutex);
-	return ret;
-}
-
-static void mt76x0u_stop(struct ieee80211_hw *hw)
-{
-	struct mt76x02_dev *dev = hw->priv;
-
-	mutex_lock(&dev->mt76.mutex);
-	mt76x0u_mac_stop(dev);
-	mutex_unlock(&dev->mt76.mutex);
+	set_bit(MT76_STATE_RUNNING, &dev->mphy.state);
+	return 0;
 }
 
 static const struct ieee80211_ops mt76x0u_ops = {
+	.add_chanctx = ieee80211_emulate_add_chanctx,
+	.remove_chanctx = ieee80211_emulate_remove_chanctx,
+	.change_chanctx = ieee80211_emulate_change_chanctx,
+	.switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
 	.tx = mt76x02_tx,
 	.start = mt76x0u_start,
 	.stop = mt76x0u_stop,
@@ -147,61 +131,77 @@ static const struct ieee80211_ops mt76x0u_ops = {
 	.configure_filter = mt76x02_configure_filter,
 	.bss_info_changed = mt76x02_bss_info_changed,
 	.sta_state = mt76_sta_state,
+	.sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
 	.set_key = mt76x02_set_key,
 	.conf_tx = mt76x02_conf_tx,
-	.sw_scan_start = mt76x02_sw_scan,
+	.sw_scan_start = mt76_sw_scan,
 	.sw_scan_complete = mt76x02_sw_scan_complete,
 	.ampdu_action = mt76x02_ampdu_action,
 	.sta_rate_tbl_update = mt76x02_sta_rate_tbl_update,
 	.set_rts_threshold = mt76x02_set_rts_threshold,
 	.wake_tx_queue = mt76_wake_tx_queue,
-	.get_txpower = mt76x02_get_txpower,
+	.get_txpower = mt76_get_txpower,
+	.get_survey = mt76_get_survey,
+	.set_tim = mt76_set_tim,
+	.release_buffered_frames = mt76_release_buffered_frames,
+	.get_antenna = mt76_get_antenna,
+	.set_sar_specs = mt76x0_set_sar_specs,
 };
 
-static int mt76x0u_register_device(struct mt76x02_dev *dev)
+static int mt76x0u_init_hardware(struct mt76x02_dev *dev, bool reset)
 {
-	struct ieee80211_hw *hw = dev->mt76.hw;
 	int err;
 
-	err = mt76u_alloc_queues(&dev->mt76);
-	if (err < 0)
-		goto out_err;
-
-	err = mt76u_mcu_init_rx(&dev->mt76);
-	if (err < 0)
-		goto out_err;
+	mt76x0_chip_onoff(dev, true, reset);
 
-	mt76x0_chip_onoff(dev, true, true);
-	if (!mt76x02_wait_for_mac(&dev->mt76)) {
-		err = -ETIMEDOUT;
-		goto out_err;
-	}
+	if (!mt76x02_wait_for_mac(&dev->mt76))
+		return -ETIMEDOUT;
 
 	err = mt76x0u_mcu_init(dev);
 	if (err < 0)
-		goto out_err;
+		return err;
 
 	mt76x0_init_usb_dma(dev);
 	err = mt76x0_init_hardware(dev);
 	if (err < 0)
-		goto out_err;
+		return err;
+
+	mt76x02u_init_beacon_config(dev);
 
 	mt76_rmw(dev, MT_US_CYC_CFG, MT_US_CYC_CNT, 0x1e);
 	mt76_wr(dev, MT_TXOP_CTRL_CFG,
 		FIELD_PREP(MT_TXOP_TRUN_EN, 0x3f) |
 		FIELD_PREP(MT_TXOP_EXT_CCA_DLY, 0x58));
 
-	err = mt76x0_register_device(dev);
+	return 0;
+}
+
+static int mt76x0u_register_device(struct mt76x02_dev *dev)
+{
+	struct ieee80211_hw *hw = dev->mt76.hw;
+	struct mt76_usb *usb = &dev->mt76.usb;
+	int err;
+
+	usb->mcu.data = devm_kmalloc(dev->mt76.dev, MCU_RESP_URB_SIZE,
+				     GFP_KERNEL);
+	if (!usb->mcu.data)
+		return -ENOMEM;
+
+	err = mt76u_alloc_queues(&dev->mt76);
+	if (err < 0)
+		goto out_err;
+
+	err = mt76x0u_init_hardware(dev, true);
 	if (err < 0)
 		goto out_err;
 
 	/* check hw sg support in order to enable AMSDU */
-	if (mt76u_check_sg(&dev->mt76))
-		hw->max_tx_fragments = MT_SG_MAX_SIZE;
-	else
-		hw->max_tx_fragments = 1;
+	hw->max_tx_fragments = dev->mt76.usb.sg_en ? MT_TX_SG_MAX_SIZE : 1;
+	err = mt76x0_register_device(dev);
+	if (err < 0)
+		goto out_err;
 
-	set_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
+	set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
 
 	return 0;
 
@@ -214,23 +214,33 @@ static int mt76x0u_probe(struct usb_interface *usb_intf,
 			 const struct usb_device_id *id)
 {
 	static const struct mt76_driver_ops drv_ops = {
+		.drv_flags = MT_DRV_SW_RX_AIRTIME |
+			     MT_DRV_IGNORE_TXS_FAILED,
+		.survey_flags = SURVEY_INFO_TIME_TX,
+		.update_survey = mt76x02_update_channel,
+		.set_channel = mt76x0_set_channel,
 		.tx_prepare_skb = mt76x02u_tx_prepare_skb,
 		.tx_complete_skb = mt76x02u_tx_complete_skb,
 		.tx_status_data = mt76x02_tx_status_data,
 		.rx_skb = mt76x02_queue_rx_skb,
+		.sta_ps = mt76x02_sta_ps,
 		.sta_add = mt76x02_sta_add,
 		.sta_remove = mt76x02_sta_remove,
 	};
 	struct usb_device *usb_dev = interface_to_usbdev(usb_intf);
 	struct mt76x02_dev *dev;
-	u32 asic_rev, mac_rev;
+	struct mt76_dev *mdev;
+	u32 mac_rev;
 	int ret;
 
-	dev = mt76x0_alloc_device(&usb_intf->dev, &drv_ops,
-				  &mt76x0u_ops);
-	if (!dev)
+	mdev = mt76_alloc_device(&usb_intf->dev, sizeof(*dev), &mt76x0u_ops,
+				 &drv_ops);
+	if (!mdev)
 		return -ENOMEM;
 
+	dev = container_of(mdev, struct mt76x02_dev, mt76);
+	mutex_init(&dev->phy_mutex);
+
 	/* Quirk for Archer T1U */
 	if (id->driver_info)
 		dev->no_2ghz = true;
@@ -240,27 +250,31 @@ static int mt76x0u_probe(struct usb_interface *usb_intf,
 
 	usb_set_intfdata(usb_intf, dev);
 
-	mt76x02u_init_mcu(&dev->mt76);
-	ret = mt76u_init(&dev->mt76, usb_intf);
+	mt76x02u_init_mcu(mdev);
+	ret = mt76u_init(mdev, usb_intf);
 	if (ret)
 		goto err;
 
-	/* Disable the HW, otherwise MCU fail to initalize on hot reboot */
+	/* Disable the HW, otherwise MCU fail to initialize on hot reboot */
 	mt76x0_chip_onoff(dev, false, false);
 
-	if (!mt76x02_wait_for_mac(&dev->mt76)) {
+	if (!mt76x02_wait_for_mac(mdev)) {
 		ret = -ETIMEDOUT;
 		goto err;
 	}
 
-	asic_rev = mt76_rr(dev, MT_ASIC_VERSION);
+	mdev->rev = mt76_rr(dev, MT_ASIC_VERSION);
 	mac_rev = mt76_rr(dev, MT_MAC_CSR0);
-	dev_info(dev->mt76.dev, "ASIC revision: %08x MAC revision: %08x\n",
-		 asic_rev, mac_rev);
+	dev_info(mdev->dev, "ASIC revision: %08x MAC revision: %08x\n",
+		 mdev->rev, mac_rev);
+	if (!is_mt76x0(dev)) {
+		ret = -ENODEV;
+		goto err;
+	}
 
 	/* Note: vendor driver skips this check for MT76X0U */
 	if (!(mt76_rr(dev, MT_EFUSE_CTRL) & MT_EFUSE_CTRL_SEL))
-		dev_warn(dev->mt76.dev, "Warning: eFUSE not present\n");
+		dev_warn(mdev->dev, "Warning: eFUSE not present\n");
 
 	ret = mt76x0u_register_device(dev);
 	if (ret < 0)
@@ -271,17 +285,18 @@ static int mt76x0u_probe(struct usb_interface *usb_intf,
 err:
 	usb_set_intfdata(usb_intf, NULL);
 	usb_put_dev(interface_to_usbdev(usb_intf));
+	mt76u_queues_deinit(&dev->mt76);
+	mt76_free_device(&dev->mt76);
 
-	ieee80211_free_hw(dev->mt76.hw);
 	return ret;
 }
 
 static void mt76x0_disconnect(struct usb_interface *usb_intf)
 {
 	struct mt76x02_dev *dev = usb_get_intfdata(usb_intf);
-	bool initalized = test_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
+	bool initialized = test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
 
-	if (!initalized)
+	if (!initialized)
 		return;
 
 	ieee80211_unregister_hw(dev->mt76.hw);
@@ -290,18 +305,17 @@ static void mt76x0_disconnect(struct usb_interface *usb_intf)
 	usb_set_intfdata(usb_intf, NULL);
 	usb_put_dev(interface_to_usbdev(usb_intf));
 
-	ieee80211_free_hw(dev->mt76.hw);
+	mt76_free_device(&dev->mt76);
 }
 
 static int __maybe_unused mt76x0_suspend(struct usb_interface *usb_intf,
 					 pm_message_t state)
 {
 	struct mt76x02_dev *dev = usb_get_intfdata(usb_intf);
-	struct mt76_usb *usb = &dev->mt76.usb;
 
-	mt76u_stop_queues(&dev->mt76);
-	mt76x0u_mac_stop(dev);
-	usb_kill_urb(usb->mcu.res.urb);
+	mt76u_stop_rx(&dev->mt76);
+	clear_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
+	mt76x0_chip_onoff(dev, false, false);
 
 	return 0;
 }
@@ -309,26 +323,13 @@ static int __maybe_unused mt76x0_suspend(struct usb_interface *usb_intf,
 static int __maybe_unused mt76x0_resume(struct usb_interface *usb_intf)
 {
 	struct mt76x02_dev *dev = usb_get_intfdata(usb_intf);
-	struct mt76_usb *usb = &dev->mt76.usb;
 	int ret;
 
-	reinit_completion(&usb->mcu.cmpl);
-	ret = mt76u_submit_buf(&dev->mt76, USB_DIR_IN,
-			       MT_EP_IN_CMD_RESP,
-			       &usb->mcu.res, GFP_KERNEL,
-			       mt76u_mcu_complete_urb,
-			       &usb->mcu.cmpl);
+	ret = mt76u_resume_rx(&dev->mt76);
 	if (ret < 0)
 		goto err;
 
-	ret = mt76u_submit_rx_buffers(&dev->mt76);
-	if (ret < 0)
-		goto err;
-
-	tasklet_enable(&usb->rx_tasklet);
-	tasklet_enable(&usb->tx_tasklet);
-
-	ret = mt76x0_init_hardware(dev);
+	ret = mt76x0u_init_hardware(dev, false);
 	if (ret)
 		goto err;
 
@@ -341,6 +342,7 @@ err:
 MODULE_DEVICE_TABLE(usb, mt76x0_device_table);
 MODULE_FIRMWARE(MT7610E_FIRMWARE);
 MODULE_FIRMWARE(MT7610U_FIRMWARE);
+MODULE_DESCRIPTION("MediaTek MT76x0U (USB) wireless driver");
 MODULE_LICENSE("GPL");
 
 static struct usb_driver mt76x0_driver = {