1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
6 #include <linux/kernel.h>
7 #include <linux/module.h>
12 #include "../mt76x02_usb.h"
14 static struct usb_device_id mt76x0_device_table[] = {
15 { USB_DEVICE(0x148F, 0x7610) }, /* MT7610U */
16 { USB_DEVICE(0x13B1, 0x003E) }, /* Linksys AE6000 */
17 { USB_DEVICE(0x0E8D, 0x7610) }, /* Sabrent NTWLAC */
18 { USB_DEVICE(0x7392, 0xa711) }, /* Edimax 7711mac */
19 { USB_DEVICE(0x7392, 0xb711) }, /* Edimax / Elecom */
20 { USB_DEVICE(0x148f, 0x761a) }, /* TP-Link TL-WDN5200 */
21 { USB_DEVICE(0x148f, 0x760a) }, /* TP-Link unknown */
22 { USB_DEVICE(0x0b05, 0x17d1) }, /* Asus USB-AC51 */
23 { USB_DEVICE(0x0b05, 0x17db) }, /* Asus USB-AC50 */
24 { USB_DEVICE(0x0df6, 0x0075) }, /* Sitecom WLA-3100 */
25 { USB_DEVICE(0x2019, 0xab31) }, /* Planex GW-450D */
26 { USB_DEVICE(0x2001, 0x3d02) }, /* D-LINK DWA-171 rev B1 */
27 { USB_DEVICE(0x0586, 0x3425) }, /* Zyxel NWD6505 */
28 { USB_DEVICE(0x07b8, 0x7610) }, /* AboCom AU7212 */
29 { USB_DEVICE(0x04bb, 0x0951) }, /* I-O DATA WN-AC433UK */
30 { USB_DEVICE(0x057c, 0x8502) }, /* AVM FRITZ!WLAN USB Stick AC 430 */
31 { USB_DEVICE(0x293c, 0x5702) }, /* Comcast Xfinity KXW02AAA */
32 { USB_DEVICE(0x20f4, 0x806b) }, /* TRENDnet TEW-806UBH */
33 { USB_DEVICE(0x7392, 0xc711) }, /* Devolo Wifi ac Stick */
34 { USB_DEVICE(0x0df6, 0x0079) }, /* Sitecom Europe B.V. ac Stick */
35 { USB_DEVICE(0x2357, 0x0123) }, /* TP-LINK T2UHP */
36 /* TP-LINK Archer T1U */
37 { USB_DEVICE(0x2357, 0x0105), .driver_info = 1, },
39 { USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7630, 0xff, 0x2, 0xff)},
41 { USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7650, 0xff, 0x2, 0xff)},
45 static void mt76x0_init_usb_dma(struct mt76x02_dev *dev)
49 val = mt76_rr(dev, MT_USB_DMA_CFG);
51 val |= MT_USB_DMA_CFG_RX_BULK_EN |
52 MT_USB_DMA_CFG_TX_BULK_EN;
54 /* disable AGGR_BULK_RX in order to receive one
55 * frame in each rx urb and avoid copies
57 val &= ~MT_USB_DMA_CFG_RX_BULK_AGG_EN;
58 mt76_wr(dev, MT_USB_DMA_CFG, val);
60 val = mt76_rr(dev, MT_COM_REG0);
62 dev_dbg(dev->mt76.dev, "MCU not ready\n");
64 val = mt76_rr(dev, MT_USB_DMA_CFG);
66 val |= MT_USB_DMA_CFG_RX_DROP_OR_PAD;
67 mt76_wr(dev, MT_USB_DMA_CFG, val);
68 val &= ~MT_USB_DMA_CFG_RX_DROP_OR_PAD;
69 mt76_wr(dev, MT_USB_DMA_CFG, val);
72 static void mt76x0u_cleanup(struct mt76x02_dev *dev)
74 clear_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
75 mt76x0_chip_onoff(dev, false, false);
76 mt76u_queues_deinit(&dev->mt76);
79 static void mt76x0u_stop(struct ieee80211_hw *hw)
81 struct mt76x02_dev *dev = hw->priv;
83 clear_bit(MT76_STATE_RUNNING, &dev->mt76.state);
84 cancel_delayed_work_sync(&dev->cal_work);
85 cancel_delayed_work_sync(&dev->mt76.mac_work);
86 mt76u_stop_tx(&dev->mt76);
87 mt76x02u_exit_beacon_config(dev);
89 if (test_bit(MT76_REMOVED, &dev->mt76.state))
92 if (!mt76_poll(dev, MT_USB_DMA_CFG, MT_USB_DMA_CFG_TX_BUSY, 0, 1000))
93 dev_warn(dev->mt76.dev, "TX DMA did not stop\n");
97 if (!mt76_poll(dev, MT_USB_DMA_CFG, MT_USB_DMA_CFG_RX_BUSY, 0, 1000))
98 dev_warn(dev->mt76.dev, "RX DMA did not stop\n");
101 static int mt76x0u_start(struct ieee80211_hw *hw)
103 struct mt76x02_dev *dev = hw->priv;
106 ret = mt76x02u_mac_start(dev);
110 mt76x0_phy_calibrate(dev, true);
111 ieee80211_queue_delayed_work(dev->mt76.hw, &dev->mt76.mac_work,
112 MT_MAC_WORK_INTERVAL);
113 ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work,
114 MT_CALIBRATE_INTERVAL);
115 set_bit(MT76_STATE_RUNNING, &dev->mt76.state);
119 static const struct ieee80211_ops mt76x0u_ops = {
121 .start = mt76x0u_start,
122 .stop = mt76x0u_stop,
123 .add_interface = mt76x02_add_interface,
124 .remove_interface = mt76x02_remove_interface,
125 .config = mt76x0_config,
126 .configure_filter = mt76x02_configure_filter,
127 .bss_info_changed = mt76x02_bss_info_changed,
128 .sta_state = mt76_sta_state,
129 .set_key = mt76x02_set_key,
130 .conf_tx = mt76x02_conf_tx,
131 .sw_scan_start = mt76_sw_scan,
132 .sw_scan_complete = mt76x02_sw_scan_complete,
133 .ampdu_action = mt76x02_ampdu_action,
134 .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update,
135 .set_rts_threshold = mt76x02_set_rts_threshold,
136 .wake_tx_queue = mt76_wake_tx_queue,
137 .get_txpower = mt76_get_txpower,
138 .get_survey = mt76_get_survey,
139 .set_tim = mt76_set_tim,
140 .release_buffered_frames = mt76_release_buffered_frames,
141 .get_antenna = mt76_get_antenna,
144 static int mt76x0u_init_hardware(struct mt76x02_dev *dev, bool reset)
148 mt76x0_chip_onoff(dev, true, reset);
150 if (!mt76x02_wait_for_mac(&dev->mt76))
153 err = mt76x0u_mcu_init(dev);
157 mt76x0_init_usb_dma(dev);
158 err = mt76x0_init_hardware(dev);
162 mt76x02u_init_beacon_config(dev);
164 mt76_rmw(dev, MT_US_CYC_CFG, MT_US_CYC_CNT, 0x1e);
165 mt76_wr(dev, MT_TXOP_CTRL_CFG,
166 FIELD_PREP(MT_TXOP_TRUN_EN, 0x3f) |
167 FIELD_PREP(MT_TXOP_EXT_CCA_DLY, 0x58));
172 static int mt76x0u_register_device(struct mt76x02_dev *dev)
174 struct ieee80211_hw *hw = dev->mt76.hw;
177 err = mt76u_alloc_queues(&dev->mt76);
181 err = mt76x0u_init_hardware(dev, true);
185 err = mt76x0_register_device(dev);
189 /* check hw sg support in order to enable AMSDU */
190 if (dev->mt76.usb.sg_en)
191 hw->max_tx_fragments = MT_TX_SG_MAX_SIZE;
193 hw->max_tx_fragments = 1;
195 set_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
200 mt76x0u_cleanup(dev);
204 static int mt76x0u_probe(struct usb_interface *usb_intf,
205 const struct usb_device_id *id)
207 static const struct mt76_driver_ops drv_ops = {
208 .drv_flags = MT_DRV_SW_RX_AIRTIME,
209 .survey_flags = SURVEY_INFO_TIME_TX,
210 .update_survey = mt76x02_update_channel,
211 .tx_prepare_skb = mt76x02u_tx_prepare_skb,
212 .tx_complete_skb = mt76x02u_tx_complete_skb,
213 .tx_status_data = mt76x02_tx_status_data,
214 .rx_skb = mt76x02_queue_rx_skb,
215 .sta_ps = mt76x02_sta_ps,
216 .sta_add = mt76x02_sta_add,
217 .sta_remove = mt76x02_sta_remove,
219 struct usb_device *usb_dev = interface_to_usbdev(usb_intf);
220 struct mt76x02_dev *dev;
221 struct mt76_dev *mdev;
225 mdev = mt76_alloc_device(&usb_intf->dev, sizeof(*dev), &mt76x0u_ops,
230 dev = container_of(mdev, struct mt76x02_dev, mt76);
231 mutex_init(&dev->phy_mutex);
233 /* Quirk for Archer T1U */
237 usb_dev = usb_get_dev(usb_dev);
238 usb_reset_device(usb_dev);
240 usb_set_intfdata(usb_intf, dev);
242 mt76x02u_init_mcu(mdev);
243 ret = mt76u_init(mdev, usb_intf);
247 /* Disable the HW, otherwise MCU fail to initialize on hot reboot */
248 mt76x0_chip_onoff(dev, false, false);
250 if (!mt76x02_wait_for_mac(mdev)) {
255 mdev->rev = mt76_rr(dev, MT_ASIC_VERSION);
256 mac_rev = mt76_rr(dev, MT_MAC_CSR0);
257 dev_info(mdev->dev, "ASIC revision: %08x MAC revision: %08x\n",
259 if (!is_mt76x0(dev)) {
264 /* Note: vendor driver skips this check for MT76X0U */
265 if (!(mt76_rr(dev, MT_EFUSE_CTRL) & MT_EFUSE_CTRL_SEL))
266 dev_warn(mdev->dev, "Warning: eFUSE not present\n");
268 ret = mt76x0u_register_device(dev);
275 usb_set_intfdata(usb_intf, NULL);
276 usb_put_dev(interface_to_usbdev(usb_intf));
277 mt76u_deinit(&dev->mt76);
279 ieee80211_free_hw(mdev->hw);
283 static void mt76x0_disconnect(struct usb_interface *usb_intf)
285 struct mt76x02_dev *dev = usb_get_intfdata(usb_intf);
286 bool initialized = test_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
291 ieee80211_unregister_hw(dev->mt76.hw);
292 mt76x0u_cleanup(dev);
294 usb_set_intfdata(usb_intf, NULL);
295 usb_put_dev(interface_to_usbdev(usb_intf));
297 mt76u_deinit(&dev->mt76);
298 ieee80211_free_hw(dev->mt76.hw);
301 static int __maybe_unused mt76x0_suspend(struct usb_interface *usb_intf,
304 struct mt76x02_dev *dev = usb_get_intfdata(usb_intf);
306 mt76u_stop_rx(&dev->mt76);
307 clear_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state);
308 mt76x0_chip_onoff(dev, false, false);
313 static int __maybe_unused mt76x0_resume(struct usb_interface *usb_intf)
315 struct mt76x02_dev *dev = usb_get_intfdata(usb_intf);
318 ret = mt76u_resume_rx(&dev->mt76);
322 ret = mt76x0u_init_hardware(dev, false);
328 mt76x0u_cleanup(dev);
332 MODULE_DEVICE_TABLE(usb, mt76x0_device_table);
333 MODULE_FIRMWARE(MT7610E_FIRMWARE);
334 MODULE_FIRMWARE(MT7610U_FIRMWARE);
335 MODULE_LICENSE("GPL");
337 static struct usb_driver mt76x0_driver = {
338 .name = KBUILD_MODNAME,
339 .id_table = mt76x0_device_table,
340 .probe = mt76x0u_probe,
341 .disconnect = mt76x0_disconnect,
342 .suspend = mt76x0_suspend,
343 .resume = mt76x0_resume,
344 .reset_resume = mt76x0_resume,
346 .disable_hub_initiated_lpm = 1,
348 module_usb_driver(mt76x0_driver);