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