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(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 { },
26 };
27
mt76x2u_probe(struct usb_interface * intf,const struct usb_device_id * id)28 static int mt76x2u_probe(struct usb_interface *intf,
29 const struct usb_device_id *id)
30 {
31 static const struct mt76_driver_ops drv_ops = {
32 .drv_flags = MT_DRV_SW_RX_AIRTIME,
33 .survey_flags = SURVEY_INFO_TIME_TX,
34 .update_survey = mt76x02_update_channel,
35 .set_channel = mt76x2u_set_channel,
36 .tx_prepare_skb = mt76x02u_tx_prepare_skb,
37 .tx_complete_skb = mt76x02u_tx_complete_skb,
38 .tx_status_data = mt76x02_tx_status_data,
39 .rx_skb = mt76x02_queue_rx_skb,
40 .sta_ps = mt76x02_sta_ps,
41 .sta_add = mt76x02_sta_add,
42 .sta_remove = mt76x02_sta_remove,
43 };
44 struct usb_device *udev = interface_to_usbdev(intf);
45 struct mt76x02_dev *dev;
46 struct mt76_dev *mdev;
47 int err;
48
49 mdev = mt76_alloc_device(&intf->dev, sizeof(*dev), &mt76x2u_ops,
50 &drv_ops);
51 if (!mdev)
52 return -ENOMEM;
53
54 dev = container_of(mdev, struct mt76x02_dev, mt76);
55
56 udev = usb_get_dev(udev);
57 usb_reset_device(udev);
58
59 usb_set_intfdata(intf, dev);
60
61 mt76x02u_init_mcu(mdev);
62 err = mt76u_init(mdev, intf);
63 if (err < 0)
64 goto err;
65
66 mdev->rev = mt76_rr(dev, MT_ASIC_VERSION);
67 dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev);
68 if (!is_mt76x2(dev)) {
69 err = -ENODEV;
70 goto err;
71 }
72
73 err = mt76x2u_register_device(dev);
74 if (err < 0)
75 goto err;
76
77 return 0;
78
79 err:
80 mt76u_queues_deinit(&dev->mt76);
81 mt76_free_device(&dev->mt76);
82 usb_set_intfdata(intf, NULL);
83 usb_put_dev(udev);
84
85 return err;
86 }
87
mt76x2u_disconnect(struct usb_interface * intf)88 static void mt76x2u_disconnect(struct usb_interface *intf)
89 {
90 struct usb_device *udev = interface_to_usbdev(intf);
91 struct mt76x02_dev *dev = usb_get_intfdata(intf);
92 struct ieee80211_hw *hw = mt76_hw(dev);
93
94 set_bit(MT76_REMOVED, &dev->mphy.state);
95 ieee80211_unregister_hw(hw);
96 mt76x2u_cleanup(dev);
97 mt76_free_device(&dev->mt76);
98 usb_set_intfdata(intf, NULL);
99 usb_put_dev(udev);
100 }
101
mt76x2u_suspend(struct usb_interface * intf,pm_message_t state)102 static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf,
103 pm_message_t state)
104 {
105 struct mt76x02_dev *dev = usb_get_intfdata(intf);
106
107 mt76u_stop_rx(&dev->mt76);
108
109 return 0;
110 }
111
mt76x2u_resume(struct usb_interface * intf)112 static int __maybe_unused mt76x2u_resume(struct usb_interface *intf)
113 {
114 struct mt76x02_dev *dev = usb_get_intfdata(intf);
115 int err;
116
117 err = mt76u_resume_rx(&dev->mt76);
118 if (err < 0)
119 goto err;
120
121 err = mt76x2u_init_hardware(dev);
122 if (err < 0)
123 goto err;
124
125 return 0;
126
127 err:
128 mt76x2u_cleanup(dev);
129 return err;
130 }
131
132 MODULE_DEVICE_TABLE(usb, mt76x2u_device_table);
133 MODULE_FIRMWARE(MT7662_FIRMWARE);
134 MODULE_FIRMWARE(MT7662_ROM_PATCH);
135
136 static struct usb_driver mt76x2u_driver = {
137 .name = KBUILD_MODNAME,
138 .id_table = mt76x2u_device_table,
139 .probe = mt76x2u_probe,
140 .disconnect = mt76x2u_disconnect,
141 #ifdef CONFIG_PM
142 .suspend = mt76x2u_suspend,
143 .resume = mt76x2u_resume,
144 .reset_resume = mt76x2u_resume,
145 #endif /* CONFIG_PM */
146 .soft_unbind = 1,
147 .disable_hub_initiated_lpm = 1,
148 };
149 module_usb_driver(mt76x2u_driver);
150
151 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
152 MODULE_DESCRIPTION("MediaTek MT76x2U (USB) wireless driver");
153 MODULE_LICENSE("Dual BSD/GPL");
154