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>
21 #include "../mt76x02_util.h"
22 #include "../mt76x02_usb.h"
24 static struct usb_device_id mt76x0_device_table[] = {
25 { USB_DEVICE(0x148F, 0x7610) }, /* MT7610U */
26 { USB_DEVICE(0x13B1, 0x003E) }, /* Linksys AE6000 */
27 { USB_DEVICE(0x0E8D, 0x7610) }, /* Sabrent NTWLAC */
28 { USB_DEVICE(0x7392, 0xa711) }, /* Edimax 7711mac */
29 { USB_DEVICE(0x7392, 0xb711) }, /* Edimax / Elecom */
30 { USB_DEVICE(0x148f, 0x761a) }, /* TP-Link TL-WDN5200 */
31 { USB_DEVICE(0x148f, 0x760a) }, /* TP-Link unknown */
32 { USB_DEVICE(0x0b05, 0x17d1) }, /* Asus USB-AC51 */
33 { USB_DEVICE(0x0b05, 0x17db) }, /* Asus USB-AC50 */
34 { USB_DEVICE(0x0df6, 0x0075) }, /* Sitecom WLA-3100 */
35 { USB_DEVICE(0x2019, 0xab31) }, /* Planex GW-450D */
36 { USB_DEVICE(0x2001, 0x3d02) }, /* D-LINK DWA-171 rev B1 */
37 { USB_DEVICE(0x0586, 0x3425) }, /* Zyxel NWD6505 */
38 { USB_DEVICE(0x07b8, 0x7610) }, /* AboCom AU7212 */
39 { USB_DEVICE(0x04bb, 0x0951) }, /* I-O DATA WN-AC433UK */
40 { USB_DEVICE(0x057c, 0x8502) }, /* AVM FRITZ!WLAN USB Stick AC 430 */
41 { USB_DEVICE(0x293c, 0x5702) }, /* Comcast Xfinity KXW02AAA */
42 { USB_DEVICE(0x20f4, 0x806b) }, /* TRENDnet TEW-806UBH */
43 { USB_DEVICE(0x7392, 0xc711) }, /* Devolo Wifi ac Stick */
44 { USB_DEVICE(0x0df6, 0x0079) }, /* Sitecom Europe B.V. ac Stick */
45 { USB_DEVICE(0x2357, 0x0105),
46 .driver_info = 1, }, /* TP-LINK Archer T1U */
47 { USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7630, 0xff, 0x2, 0xff)}, /* MT7630U */
48 { USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7650, 0xff, 0x2, 0xff)}, /* MT7650U */
52 static void mt76x0_init_usb_dma(struct mt76x02_dev *dev)
56 val = mt76_rr(dev, MT_USB_DMA_CFG);
58 val |= MT_USB_DMA_CFG_RX_BULK_EN |
59 MT_USB_DMA_CFG_TX_BULK_EN;
61 /* disable AGGR_BULK_RX in order to receive one
62 * frame in each rx urb and avoid copies
64 val &= ~MT_USB_DMA_CFG_RX_BULK_AGG_EN;
65 mt76_wr(dev, MT_USB_DMA_CFG, val);
67 val = mt76_rr(dev, MT_COM_REG0);
69 dev_dbg(dev->mt76.dev, "MCU not ready\n");
71 val = mt76_rr(dev, MT_USB_DMA_CFG);
73 val |= MT_USB_DMA_CFG_RX_DROP_OR_PAD;
74 mt76_wr(dev, MT_USB_DMA_CFG, val);
75 val &= ~MT_USB_DMA_CFG_RX_DROP_OR_PAD;
76 mt76_wr(dev, MT_USB_DMA_CFG, val);
79 static void mt76x0u_cleanup(struct mt76x02_dev *dev)
81 clear_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
82 mt76x0_chip_onoff(dev, false, false);
83 mt76u_queues_deinit(&dev->mt76);
84 mt76u_mcu_deinit(&dev->mt76);
87 static void mt76x0u_mac_stop(struct mt76x02_dev *dev)
89 clear_bit(MT76_STATE_RUNNING, &dev->mt76.state);
90 cancel_delayed_work_sync(&dev->cal_work);
91 cancel_delayed_work_sync(&dev->mac_work);
92 mt76u_stop_stat_wk(&dev->mt76);
94 if (test_bit(MT76_REMOVED, &dev->mt76.state))
97 mt76_clear(dev, MT_BEACON_TIME_CFG, MT_BEACON_TIME_CFG_TIMER_EN |
98 MT_BEACON_TIME_CFG_SYNC_MODE | MT_BEACON_TIME_CFG_TBTT_EN |
99 MT_BEACON_TIME_CFG_BEACON_TX);
101 if (!mt76_poll(dev, MT_USB_DMA_CFG, MT_USB_DMA_CFG_TX_BUSY, 0, 1000))
102 dev_warn(dev->mt76.dev, "TX DMA did not stop\n");
104 mt76x0_mac_stop(dev);
106 if (!mt76_poll(dev, MT_USB_DMA_CFG, MT_USB_DMA_CFG_RX_BUSY, 0, 1000))
107 dev_warn(dev->mt76.dev, "RX DMA did not stop\n");
110 static int mt76x0u_start(struct ieee80211_hw *hw)
112 struct mt76x02_dev *dev = hw->priv;
115 mutex_lock(&dev->mt76.mutex);
117 ret = mt76x0_mac_start(dev);
121 ieee80211_queue_delayed_work(dev->mt76.hw, &dev->mac_work,
122 MT_CALIBRATE_INTERVAL);
123 ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work,
124 MT_CALIBRATE_INTERVAL);
125 set_bit(MT76_STATE_RUNNING, &dev->mt76.state);
128 mutex_unlock(&dev->mt76.mutex);
132 static void mt76x0u_stop(struct ieee80211_hw *hw)
134 struct mt76x02_dev *dev = hw->priv;
136 mutex_lock(&dev->mt76.mutex);
137 mt76x0u_mac_stop(dev);
138 mutex_unlock(&dev->mt76.mutex);
141 static const struct ieee80211_ops mt76x0u_ops = {
143 .start = mt76x0u_start,
144 .stop = mt76x0u_stop,
145 .add_interface = mt76x02_add_interface,
146 .remove_interface = mt76x02_remove_interface,
147 .config = mt76x0_config,
148 .configure_filter = mt76x02_configure_filter,
149 .bss_info_changed = mt76x0_bss_info_changed,
150 .sta_add = mt76x02_sta_add,
151 .sta_remove = mt76x02_sta_remove,
152 .set_key = mt76x02_set_key,
153 .conf_tx = mt76x02_conf_tx,
154 .sw_scan_start = mt76x0_sw_scan,
155 .sw_scan_complete = mt76x0_sw_scan_complete,
156 .ampdu_action = mt76x02_ampdu_action,
157 .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update,
158 .set_rts_threshold = mt76x0_set_rts_threshold,
159 .wake_tx_queue = mt76_wake_tx_queue,
162 static int mt76x0u_register_device(struct mt76x02_dev *dev)
164 struct ieee80211_hw *hw = dev->mt76.hw;
167 err = mt76u_alloc_queues(&dev->mt76);
171 err = mt76u_mcu_init_rx(&dev->mt76);
175 mt76x0_chip_onoff(dev, true, true);
176 if (!mt76x02_wait_for_mac(&dev->mt76)) {
181 err = mt76x0u_mcu_init(dev);
185 mt76x0_init_usb_dma(dev);
186 err = mt76x0_init_hardware(dev);
190 mt76_rmw(dev, MT_US_CYC_CFG, MT_US_CYC_CNT, 0x1e);
191 mt76_wr(dev, MT_TXOP_CTRL_CFG,
192 FIELD_PREP(MT_TXOP_TRUN_EN, 0x3f) |
193 FIELD_PREP(MT_TXOP_EXT_CCA_DLY, 0x58));
195 err = mt76x0_register_device(dev);
199 /* check hw sg support in order to enable AMSDU */
200 if (mt76u_check_sg(&dev->mt76))
201 hw->max_tx_fragments = MT_SG_MAX_SIZE;
203 hw->max_tx_fragments = 1;
205 set_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
210 mt76x0u_cleanup(dev);
214 static int mt76x0u_probe(struct usb_interface *usb_intf,
215 const struct usb_device_id *id)
217 static const struct mt76_driver_ops drv_ops = {
218 .tx_prepare_skb = mt76x02u_tx_prepare_skb,
219 .tx_complete_skb = mt76x02_tx_complete_skb,
220 .tx_status_data = mt76x02_tx_status_data,
221 .rx_skb = mt76x02_queue_rx_skb,
223 struct usb_device *usb_dev = interface_to_usbdev(usb_intf);
224 struct mt76x02_dev *dev;
225 u32 asic_rev, mac_rev;
228 dev = mt76x0_alloc_device(&usb_intf->dev, &drv_ops,
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(&dev->mt76);
243 ret = mt76u_init(&dev->mt76, usb_intf);
247 /* Disable the HW, otherwise MCU fail to initalize on hot reboot */
248 mt76x0_chip_onoff(dev, false, false);
250 if (!mt76x02_wait_for_mac(&dev->mt76)) {
255 asic_rev = mt76_rr(dev, MT_ASIC_VERSION);
256 mac_rev = mt76_rr(dev, MT_MAC_CSR0);
257 dev_info(dev->mt76.dev, "ASIC revision: %08x MAC revision: %08x\n",
260 /* Note: vendor driver skips this check for MT76X0U */
261 if (!(mt76_rr(dev, MT_EFUSE_CTRL) & MT_EFUSE_CTRL_SEL))
262 dev_warn(dev->mt76.dev, "Warning: eFUSE not present\n");
264 ret = mt76x0u_register_device(dev);
271 usb_set_intfdata(usb_intf, NULL);
272 usb_put_dev(interface_to_usbdev(usb_intf));
274 ieee80211_free_hw(dev->mt76.hw);
278 static void mt76x0_disconnect(struct usb_interface *usb_intf)
280 struct mt76x02_dev *dev = usb_get_intfdata(usb_intf);
281 bool initalized = test_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
286 ieee80211_unregister_hw(dev->mt76.hw);
287 mt76x0u_cleanup(dev);
289 usb_set_intfdata(usb_intf, NULL);
290 usb_put_dev(interface_to_usbdev(usb_intf));
292 ieee80211_free_hw(dev->mt76.hw);
295 static int __maybe_unused mt76x0_suspend(struct usb_interface *usb_intf,
298 struct mt76x02_dev *dev = usb_get_intfdata(usb_intf);
299 struct mt76_usb *usb = &dev->mt76.usb;
301 mt76u_stop_queues(&dev->mt76);
302 mt76x0u_mac_stop(dev);
303 usb_kill_urb(usb->mcu.res.urb);
308 static int __maybe_unused mt76x0_resume(struct usb_interface *usb_intf)
310 struct mt76x02_dev *dev = usb_get_intfdata(usb_intf);
311 struct mt76_usb *usb = &dev->mt76.usb;
314 reinit_completion(&usb->mcu.cmpl);
315 ret = mt76u_submit_buf(&dev->mt76, USB_DIR_IN,
317 &usb->mcu.res, GFP_KERNEL,
318 mt76u_mcu_complete_urb,
323 ret = mt76u_submit_rx_buffers(&dev->mt76);
327 tasklet_enable(&usb->rx_tasklet);
328 tasklet_enable(&usb->tx_tasklet);
330 ret = mt76x0_init_hardware(dev);
336 mt76x0u_cleanup(dev);
340 MODULE_DEVICE_TABLE(usb, mt76x0_device_table);
341 MODULE_LICENSE("GPL");
343 static struct usb_driver mt76x0_driver = {
344 .name = KBUILD_MODNAME,
345 .id_table = mt76x0_device_table,
346 .probe = mt76x0u_probe,
347 .disconnect = mt76x0_disconnect,
348 .suspend = mt76x0_suspend,
349 .resume = mt76x0_resume,
350 .reset_resume = mt76x0_resume,
352 .disable_hub_initiated_lpm = 1,
354 module_usb_driver(mt76x0_driver);