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 = mt76x0_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,
143 static int mt76x0u_init_hardware(struct mt76x02_dev *dev, bool reset)
147 mt76x0_chip_onoff(dev, true, reset);
149 if (!mt76x02_wait_for_mac(&dev->mt76))
152 err = mt76x0u_mcu_init(dev);
156 mt76x0_init_usb_dma(dev);
157 err = mt76x0_init_hardware(dev);
161 mt76x02u_init_beacon_config(dev);
163 mt76_rmw(dev, MT_US_CYC_CFG, MT_US_CYC_CNT, 0x1e);
164 mt76_wr(dev, MT_TXOP_CTRL_CFG,
165 FIELD_PREP(MT_TXOP_TRUN_EN, 0x3f) |
166 FIELD_PREP(MT_TXOP_EXT_CCA_DLY, 0x58));
168 mt76_wr(dev, MT_CH_TIME_CFG,
169 MT_CH_TIME_CFG_TIMER_EN |
170 MT_CH_TIME_CFG_TX_AS_BUSY |
171 MT_CH_TIME_CFG_RX_AS_BUSY |
172 MT_CH_TIME_CFG_NAV_AS_BUSY |
173 MT_CH_TIME_CFG_EIFS_AS_BUSY);
178 static int mt76x0u_register_device(struct mt76x02_dev *dev)
180 struct ieee80211_hw *hw = dev->mt76.hw;
183 err = mt76u_alloc_queues(&dev->mt76);
187 err = mt76x0u_init_hardware(dev, true);
191 err = mt76x0_register_device(dev);
195 /* check hw sg support in order to enable AMSDU */
196 if (dev->mt76.usb.sg_en)
197 hw->max_tx_fragments = MT_TX_SG_MAX_SIZE;
199 hw->max_tx_fragments = 1;
201 set_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
206 mt76x0u_cleanup(dev);
210 static int mt76x0u_probe(struct usb_interface *usb_intf,
211 const struct usb_device_id *id)
213 static const struct mt76_driver_ops drv_ops = {
214 .update_survey = mt76x02_update_channel,
215 .tx_prepare_skb = mt76x02u_tx_prepare_skb,
216 .tx_complete_skb = mt76x02u_tx_complete_skb,
217 .tx_status_data = mt76x02_tx_status_data,
218 .rx_skb = mt76x02_queue_rx_skb,
219 .sta_ps = mt76x02_sta_ps,
220 .sta_add = mt76x02_sta_add,
221 .sta_remove = mt76x02_sta_remove,
223 struct usb_device *usb_dev = interface_to_usbdev(usb_intf);
224 struct mt76x02_dev *dev;
225 struct mt76_dev *mdev;
229 mdev = mt76_alloc_device(&usb_intf->dev, sizeof(*dev), &mt76x0u_ops,
234 dev = container_of(mdev, struct mt76x02_dev, mt76);
235 mutex_init(&dev->phy_mutex);
237 /* Quirk for Archer T1U */
241 usb_dev = usb_get_dev(usb_dev);
242 usb_reset_device(usb_dev);
244 usb_set_intfdata(usb_intf, dev);
246 mt76x02u_init_mcu(mdev);
247 ret = mt76u_init(mdev, usb_intf);
251 /* Disable the HW, otherwise MCU fail to initialize on hot reboot */
252 mt76x0_chip_onoff(dev, false, false);
254 if (!mt76x02_wait_for_mac(mdev)) {
259 mdev->rev = mt76_rr(dev, MT_ASIC_VERSION);
260 mac_rev = mt76_rr(dev, MT_MAC_CSR0);
261 dev_info(mdev->dev, "ASIC revision: %08x MAC revision: %08x\n",
263 if (!is_mt76x0(dev)) {
268 /* Note: vendor driver skips this check for MT76X0U */
269 if (!(mt76_rr(dev, MT_EFUSE_CTRL) & MT_EFUSE_CTRL_SEL))
270 dev_warn(mdev->dev, "Warning: eFUSE not present\n");
272 ret = mt76x0u_register_device(dev);
279 usb_set_intfdata(usb_intf, NULL);
280 usb_put_dev(interface_to_usbdev(usb_intf));
282 ieee80211_free_hw(mdev->hw);
286 static void mt76x0_disconnect(struct usb_interface *usb_intf)
288 struct mt76x02_dev *dev = usb_get_intfdata(usb_intf);
289 bool initialized = test_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
294 ieee80211_unregister_hw(dev->mt76.hw);
295 mt76x0u_cleanup(dev);
297 usb_set_intfdata(usb_intf, NULL);
298 usb_put_dev(interface_to_usbdev(usb_intf));
300 ieee80211_free_hw(dev->mt76.hw);
303 static int __maybe_unused mt76x0_suspend(struct usb_interface *usb_intf,
306 struct mt76x02_dev *dev = usb_get_intfdata(usb_intf);
308 mt76u_stop_rx(&dev->mt76);
309 clear_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state);
310 mt76x0_chip_onoff(dev, false, false);
315 static int __maybe_unused mt76x0_resume(struct usb_interface *usb_intf)
317 struct mt76x02_dev *dev = usb_get_intfdata(usb_intf);
320 ret = mt76u_resume_rx(&dev->mt76);
324 ret = mt76x0u_init_hardware(dev, false);
330 mt76x0u_cleanup(dev);
334 MODULE_DEVICE_TABLE(usb, mt76x0_device_table);
336 MODULE_LICENSE("GPL");
338 static struct usb_driver mt76x0_driver = {
339 .name = KBUILD_MODNAME,
340 .id_table = mt76x0_device_table,
341 .probe = mt76x0u_probe,
342 .disconnect = mt76x0_disconnect,
343 .suspend = mt76x0_suspend,
344 .resume = mt76x0_resume,
345 .reset_resume = mt76x0_resume,
347 .disable_hub_initiated_lpm = 1,
349 module_usb_driver(mt76x0_driver);