1 // SPDX-License-Identifier: ISC
2 /*
3 * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
4 */
5
6 #include <linux/kernel.h>
7 #include <linux/module.h>
8
9 #include "../mt76x02_usb.h"
10 #include "mt76x2u.h"
11
12 static const struct usb_device_id mt76x2u_device_table[] = {
13 { USB_DEVICE(0x0b05, 0x1833) }, /* Asus USB-AC54 */
14 { USB_DEVICE(0x0b05, 0x17eb) }, /* Asus USB-AC55 */
15 { USB_DEVICE(0x0b05, 0x180b) }, /* Asus USB-N53 B1 */
16 { USB_DEVICE(0x0e8d, 0x7612) }, /* Aukey USBAC1200 - Alfa AWUS036ACM */
17 { USB_DEVICE(0x057c, 0x8503) }, /* Avm FRITZ!WLAN AC860 */
18 { USB_DEVICE(0x7392, 0xb711) }, /* Edimax EW 7722 UAC */
19 { USB_DEVICE(0x0e8d, 0x7632) }, /* HC-M7662BU1 */
20 { USB_DEVICE(0x0471, 0x2126) }, /* LiteOn WN4516R module, nonstandard USB connector */
21 { USB_DEVICE(0x0471, 0x7600) }, /* LiteOn WN4519R module, nonstandard USB connector */
22 { USB_DEVICE(0x2c4e, 0x0103) }, /* Mercury UD13 */
23 { USB_DEVICE(0x0846, 0x9014) }, /* Netgear WNDA3100v3 */
24 { USB_DEVICE(0x0846, 0x9053) }, /* Netgear A6210 */
25 { USB_DEVICE(0x045e, 0x02e6) }, /* XBox One Wireless Adapter */
26 { USB_DEVICE(0x045e, 0x02fe) }, /* XBox One Wireless Adapter */
27 { USB_DEVICE(0x2357, 0x0137) }, /* TP-Link TL-WDN6200 */
28 { },
29 };
30
mt76x2u_probe(struct usb_interface * intf,const struct usb_device_id * id)31 static int mt76x2u_probe(struct usb_interface *intf,
32 const struct usb_device_id *id)
33 {
34 static const struct mt76_driver_ops drv_ops = {
35 .drv_flags = MT_DRV_SW_RX_AIRTIME |
36 MT_DRV_IGNORE_TXS_FAILED,
37 .survey_flags = SURVEY_INFO_TIME_TX,
38 .update_survey = mt76x02_update_channel,
39 .set_channel = mt76x2u_set_channel,
40 .tx_prepare_skb = mt76x02u_tx_prepare_skb,
41 .tx_complete_skb = mt76x02u_tx_complete_skb,
42 .tx_status_data = mt76x02_tx_status_data,
43 .rx_skb = mt76x02_queue_rx_skb,
44 .sta_ps = mt76x02_sta_ps,
45 .sta_add = mt76x02_sta_add,
46 .sta_remove = mt76x02_sta_remove,
47 };
48 struct usb_device *udev = interface_to_usbdev(intf);
49 struct mt76x02_dev *dev;
50 struct mt76_dev *mdev;
51 int err;
52
53 mdev = mt76_alloc_device(&intf->dev, sizeof(*dev), &mt76x2u_ops,
54 &drv_ops);
55 if (!mdev)
56 return -ENOMEM;
57
58 dev = container_of(mdev, struct mt76x02_dev, mt76);
59
60 udev = usb_get_dev(udev);
61 usb_reset_device(udev);
62
63 usb_set_intfdata(intf, dev);
64
65 mt76x02u_init_mcu(mdev);
66 err = mt76u_init(mdev, intf);
67 if (err < 0)
68 goto err;
69
70 mdev->rev = mt76_rr(dev, MT_ASIC_VERSION);
71 dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev);
72 if (!is_mt76x2(dev)) {
73 err = -ENODEV;
74 goto err;
75 }
76
77 err = mt76x2u_register_device(dev);
78 if (err < 0)
79 goto err;
80
81 return 0;
82
83 err:
84 mt76u_queues_deinit(&dev->mt76);
85 mt76_free_device(&dev->mt76);
86 usb_set_intfdata(intf, NULL);
87 usb_put_dev(udev);
88
89 return err;
90 }
91
mt76x2u_disconnect(struct usb_interface * intf)92 static void mt76x2u_disconnect(struct usb_interface *intf)
93 {
94 struct usb_device *udev = interface_to_usbdev(intf);
95 struct mt76x02_dev *dev = usb_get_intfdata(intf);
96 struct ieee80211_hw *hw = mt76_hw(dev);
97
98 set_bit(MT76_REMOVED, &dev->mphy.state);
99 ieee80211_unregister_hw(hw);
100 mt76x2u_cleanup(dev);
101 mt76_free_device(&dev->mt76);
102 usb_set_intfdata(intf, NULL);
103 usb_put_dev(udev);
104 }
105
mt76x2u_suspend(struct usb_interface * intf,pm_message_t state)106 static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf,
107 pm_message_t state)
108 {
109 struct mt76x02_dev *dev = usb_get_intfdata(intf);
110
111 mt76u_stop_rx(&dev->mt76);
112
113 return 0;
114 }
115
mt76x2u_resume(struct usb_interface * intf)116 static int __maybe_unused mt76x2u_resume(struct usb_interface *intf)
117 {
118 struct mt76x02_dev *dev = usb_get_intfdata(intf);
119 int err;
120
121 err = mt76u_resume_rx(&dev->mt76);
122 if (err < 0)
123 goto err;
124
125 err = mt76x2u_init_hardware(dev);
126 if (err < 0)
127 goto err;
128
129 return 0;
130
131 err:
132 mt76x2u_cleanup(dev);
133 return err;
134 }
135
136 MODULE_DEVICE_TABLE(usb, mt76x2u_device_table);
137 MODULE_FIRMWARE(MT7662_FIRMWARE);
138 MODULE_FIRMWARE(MT7662_ROM_PATCH);
139
140 static struct usb_driver mt76x2u_driver = {
141 .name = KBUILD_MODNAME,
142 .id_table = mt76x2u_device_table,
143 .probe = mt76x2u_probe,
144 .disconnect = mt76x2u_disconnect,
145 #ifdef CONFIG_PM
146 .suspend = mt76x2u_suspend,
147 .resume = mt76x2u_resume,
148 .reset_resume = mt76x2u_resume,
149 #endif /* CONFIG_PM */
150 .soft_unbind = 1,
151 .disable_hub_initiated_lpm = 1,
152 };
153 module_usb_driver(mt76x2u_driver);
154
155 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
156 MODULE_DESCRIPTION("MediaTek MT76x2U (USB) wireless driver");
157 MODULE_LICENSE("Dual BSD/GPL");
158