2 * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2
6 * as published by the Free Software Foundation
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
14 #include <linux/kernel.h>
15 #include <linux/module.h>
16 #include <linux/usb.h>
20 #include "../mt76x02_usb.h"
22 static struct usb_device_id mt76x0_device_table[] = {
23 { USB_DEVICE(0x148F, 0x7610) }, /* MT7610U */
24 { USB_DEVICE(0x13B1, 0x003E) }, /* Linksys AE6000 */
25 { USB_DEVICE(0x0E8D, 0x7610) }, /* Sabrent NTWLAC */
26 { USB_DEVICE(0x7392, 0xa711) }, /* Edimax 7711mac */
27 { USB_DEVICE(0x7392, 0xb711) }, /* Edimax / Elecom */
28 { USB_DEVICE(0x148f, 0x761a) }, /* TP-Link TL-WDN5200 */
29 { USB_DEVICE(0x148f, 0x760a) }, /* TP-Link unknown */
30 { USB_DEVICE(0x0b05, 0x17d1) }, /* Asus USB-AC51 */
31 { USB_DEVICE(0x0b05, 0x17db) }, /* Asus USB-AC50 */
32 { USB_DEVICE(0x0df6, 0x0075) }, /* Sitecom WLA-3100 */
33 { USB_DEVICE(0x2019, 0xab31) }, /* Planex GW-450D */
34 { USB_DEVICE(0x2001, 0x3d02) }, /* D-LINK DWA-171 rev B1 */
35 { USB_DEVICE(0x0586, 0x3425) }, /* Zyxel NWD6505 */
36 { USB_DEVICE(0x07b8, 0x7610) }, /* AboCom AU7212 */
37 { USB_DEVICE(0x04bb, 0x0951) }, /* I-O DATA WN-AC433UK */
38 { USB_DEVICE(0x057c, 0x8502) }, /* AVM FRITZ!WLAN USB Stick AC 430 */
39 { USB_DEVICE(0x293c, 0x5702) }, /* Comcast Xfinity KXW02AAA */
40 { USB_DEVICE(0x20f4, 0x806b) }, /* TRENDnet TEW-806UBH */
41 { USB_DEVICE(0x7392, 0xc711) }, /* Devolo Wifi ac Stick */
42 { USB_DEVICE(0x0df6, 0x0079) }, /* Sitecom Europe B.V. ac Stick */
43 { USB_DEVICE(0x2357, 0x0105),
44 .driver_info = 1, }, /* TP-LINK Archer T1U */
45 { USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7630, 0xff, 0x2, 0xff)}, /* MT7630U */
46 { USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7650, 0xff, 0x2, 0xff)}, /* MT7650U */
50 static void mt76x0_init_usb_dma(struct mt76x02_dev *dev)
54 val = mt76_rr(dev, MT_USB_DMA_CFG);
56 val |= MT_USB_DMA_CFG_RX_BULK_EN |
57 MT_USB_DMA_CFG_TX_BULK_EN;
59 /* disable AGGR_BULK_RX in order to receive one
60 * frame in each rx urb and avoid copies
62 val &= ~MT_USB_DMA_CFG_RX_BULK_AGG_EN;
63 mt76_wr(dev, MT_USB_DMA_CFG, val);
65 val = mt76_rr(dev, MT_COM_REG0);
67 dev_dbg(dev->mt76.dev, "MCU not ready\n");
69 val = mt76_rr(dev, MT_USB_DMA_CFG);
71 val |= MT_USB_DMA_CFG_RX_DROP_OR_PAD;
72 mt76_wr(dev, MT_USB_DMA_CFG, val);
73 val &= ~MT_USB_DMA_CFG_RX_DROP_OR_PAD;
74 mt76_wr(dev, MT_USB_DMA_CFG, val);
77 static void mt76x0u_cleanup(struct mt76x02_dev *dev)
79 clear_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
80 mt76x0_chip_onoff(dev, false, false);
81 mt76u_queues_deinit(&dev->mt76);
84 static void mt76x0u_mac_stop(struct mt76x02_dev *dev)
86 clear_bit(MT76_STATE_RUNNING, &dev->mt76.state);
87 cancel_delayed_work_sync(&dev->cal_work);
88 cancel_delayed_work_sync(&dev->mac_work);
89 mt76u_stop_stat_wk(&dev->mt76);
91 if (test_bit(MT76_REMOVED, &dev->mt76.state))
94 mt76_clear(dev, MT_BEACON_TIME_CFG, MT_BEACON_TIME_CFG_TIMER_EN |
95 MT_BEACON_TIME_CFG_SYNC_MODE | MT_BEACON_TIME_CFG_TBTT_EN |
96 MT_BEACON_TIME_CFG_BEACON_TX);
98 if (!mt76_poll(dev, MT_USB_DMA_CFG, MT_USB_DMA_CFG_TX_BUSY, 0, 1000))
99 dev_warn(dev->mt76.dev, "TX DMA did not stop\n");
101 mt76x0_mac_stop(dev);
103 if (!mt76_poll(dev, MT_USB_DMA_CFG, MT_USB_DMA_CFG_RX_BUSY, 0, 1000))
104 dev_warn(dev->mt76.dev, "RX DMA did not stop\n");
107 static int mt76x0u_start(struct ieee80211_hw *hw)
109 struct mt76x02_dev *dev = hw->priv;
112 mutex_lock(&dev->mt76.mutex);
114 ret = mt76x0_mac_start(dev);
118 mt76x0_phy_calibrate(dev, true);
119 ieee80211_queue_delayed_work(dev->mt76.hw, &dev->mac_work,
120 MT_MAC_WORK_INTERVAL);
121 ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work,
122 MT_CALIBRATE_INTERVAL);
123 set_bit(MT76_STATE_RUNNING, &dev->mt76.state);
126 mutex_unlock(&dev->mt76.mutex);
130 static void mt76x0u_stop(struct ieee80211_hw *hw)
132 struct mt76x02_dev *dev = hw->priv;
134 mutex_lock(&dev->mt76.mutex);
135 mt76x0u_mac_stop(dev);
136 mutex_unlock(&dev->mt76.mutex);
139 static const struct ieee80211_ops mt76x0u_ops = {
141 .start = mt76x0u_start,
142 .stop = mt76x0u_stop,
143 .add_interface = mt76x02_add_interface,
144 .remove_interface = mt76x02_remove_interface,
145 .config = mt76x0_config,
146 .configure_filter = mt76x02_configure_filter,
147 .bss_info_changed = mt76x02_bss_info_changed,
148 .sta_state = mt76_sta_state,
149 .set_key = mt76x02_set_key,
150 .conf_tx = mt76x02_conf_tx,
151 .sw_scan_start = mt76x02_sw_scan,
152 .sw_scan_complete = mt76x02_sw_scan_complete,
153 .ampdu_action = mt76x02_ampdu_action,
154 .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update,
155 .set_rts_threshold = mt76x02_set_rts_threshold,
156 .wake_tx_queue = mt76_wake_tx_queue,
157 .get_txpower = mt76_get_txpower,
160 static int mt76x0u_init_hardware(struct mt76x02_dev *dev)
164 mt76x0_chip_onoff(dev, true, true);
166 if (!mt76x02_wait_for_mac(&dev->mt76))
169 err = mt76x0u_mcu_init(dev);
173 mt76x0_init_usb_dma(dev);
174 err = mt76x0_init_hardware(dev);
178 mt76_rmw(dev, MT_US_CYC_CFG, MT_US_CYC_CNT, 0x1e);
179 mt76_wr(dev, MT_TXOP_CTRL_CFG,
180 FIELD_PREP(MT_TXOP_TRUN_EN, 0x3f) |
181 FIELD_PREP(MT_TXOP_EXT_CCA_DLY, 0x58));
186 static int mt76x0u_register_device(struct mt76x02_dev *dev)
188 struct ieee80211_hw *hw = dev->mt76.hw;
191 err = mt76u_alloc_queues(&dev->mt76);
195 err = mt76x0u_init_hardware(dev);
199 err = mt76x0_register_device(dev);
203 /* check hw sg support in order to enable AMSDU */
204 if (dev->mt76.usb.sg_en)
205 hw->max_tx_fragments = MT_SG_MAX_SIZE;
207 hw->max_tx_fragments = 1;
209 set_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
214 mt76x0u_cleanup(dev);
218 static int mt76x0u_probe(struct usb_interface *usb_intf,
219 const struct usb_device_id *id)
221 static const struct mt76_driver_ops drv_ops = {
222 .tx_prepare_skb = mt76x02u_tx_prepare_skb,
223 .tx_complete_skb = mt76x02u_tx_complete_skb,
224 .tx_status_data = mt76x02_tx_status_data,
225 .rx_skb = mt76x02_queue_rx_skb,
226 .sta_add = mt76x02_sta_add,
227 .sta_remove = mt76x02_sta_remove,
229 struct usb_device *usb_dev = interface_to_usbdev(usb_intf);
230 struct mt76x02_dev *dev;
231 struct mt76_dev *mdev;
232 u32 asic_rev, mac_rev;
235 mdev = mt76_alloc_device(&usb_intf->dev, sizeof(*dev), &mt76x0u_ops,
240 dev = container_of(mdev, struct mt76x02_dev, mt76);
241 mutex_init(&dev->phy_mutex);
243 /* Quirk for Archer T1U */
247 usb_dev = usb_get_dev(usb_dev);
248 usb_reset_device(usb_dev);
250 usb_set_intfdata(usb_intf, dev);
252 mt76x02u_init_mcu(mdev);
253 ret = mt76u_init(mdev, usb_intf);
257 /* Disable the HW, otherwise MCU fail to initalize on hot reboot */
258 mt76x0_chip_onoff(dev, false, false);
260 if (!mt76x02_wait_for_mac(mdev)) {
265 asic_rev = mt76_rr(dev, MT_ASIC_VERSION);
266 mac_rev = mt76_rr(dev, MT_MAC_CSR0);
267 dev_info(mdev->dev, "ASIC revision: %08x MAC revision: %08x\n",
270 /* Note: vendor driver skips this check for MT76X0U */
271 if (!(mt76_rr(dev, MT_EFUSE_CTRL) & MT_EFUSE_CTRL_SEL))
272 dev_warn(mdev->dev, "Warning: eFUSE not present\n");
274 ret = mt76x0u_register_device(dev);
281 usb_set_intfdata(usb_intf, NULL);
282 usb_put_dev(interface_to_usbdev(usb_intf));
284 ieee80211_free_hw(mdev->hw);
288 static void mt76x0_disconnect(struct usb_interface *usb_intf)
290 struct mt76x02_dev *dev = usb_get_intfdata(usb_intf);
291 bool initalized = test_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
296 ieee80211_unregister_hw(dev->mt76.hw);
297 mt76x0u_cleanup(dev);
299 usb_set_intfdata(usb_intf, NULL);
300 usb_put_dev(interface_to_usbdev(usb_intf));
302 ieee80211_free_hw(dev->mt76.hw);
305 static int __maybe_unused mt76x0_suspend(struct usb_interface *usb_intf,
308 struct mt76x02_dev *dev = usb_get_intfdata(usb_intf);
310 mt76u_stop_queues(&dev->mt76);
311 mt76x0u_mac_stop(dev);
312 clear_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state);
313 mt76x0_chip_onoff(dev, false, false);
318 static int __maybe_unused mt76x0_resume(struct usb_interface *usb_intf)
320 struct mt76x02_dev *dev = usb_get_intfdata(usb_intf);
321 struct mt76_usb *usb = &dev->mt76.usb;
324 ret = mt76u_submit_rx_buffers(&dev->mt76);
328 tasklet_enable(&usb->rx_tasklet);
329 tasklet_enable(&usb->tx_tasklet);
331 ret = mt76x0u_init_hardware(dev);
337 mt76x0u_cleanup(dev);
341 MODULE_DEVICE_TABLE(usb, mt76x0_device_table);
342 MODULE_FIRMWARE(MT7610E_FIRMWARE);
343 MODULE_FIRMWARE(MT7610U_FIRMWARE);
344 MODULE_LICENSE("GPL");
346 static struct usb_driver mt76x0_driver = {
347 .name = KBUILD_MODNAME,
348 .id_table = mt76x0_device_table,
349 .probe = mt76x0u_probe,
350 .disconnect = mt76x0_disconnect,
351 .suspend = mt76x0_suspend,
352 .resume = mt76x0_resume,
353 .reset_resume = mt76x0_resume,
355 .disable_hub_initiated_lpm = 1,
357 module_usb_driver(mt76x0_driver);