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, 0x9053) }, /* Netgear A6210 */
22 { USB_DEVICE(0x045e, 0x02e6) }, /* XBox One Wireless Adapter */
23 { USB_DEVICE(0x045e, 0x02fe) }, /* XBox One Wireless Adapter */
24 { },
25 };
26
mt76x2u_probe(struct usb_interface * intf,const struct usb_device_id * id)27 static int mt76x2u_probe(struct usb_interface *intf,
28 const struct usb_device_id *id)
29 {
30 static const struct mt76_driver_ops drv_ops = {
31 .drv_flags = MT_DRV_SW_RX_AIRTIME,
32 .survey_flags = SURVEY_INFO_TIME_TX,
33 .update_survey = mt76x02_update_channel,
34 .tx_prepare_skb = mt76x02u_tx_prepare_skb,
35 .tx_complete_skb = mt76x02u_tx_complete_skb,
36 .tx_status_data = mt76x02_tx_status_data,
37 .rx_skb = mt76x02_queue_rx_skb,
38 .sta_ps = mt76x02_sta_ps,
39 .sta_add = mt76x02_sta_add,
40 .sta_remove = mt76x02_sta_remove,
41 };
42 struct usb_device *udev = interface_to_usbdev(intf);
43 struct mt76x02_dev *dev;
44 struct mt76_dev *mdev;
45 int err;
46
47 mdev = mt76_alloc_device(&intf->dev, sizeof(*dev), &mt76x2u_ops,
48 &drv_ops);
49 if (!mdev)
50 return -ENOMEM;
51
52 dev = container_of(mdev, struct mt76x02_dev, mt76);
53
54 udev = usb_get_dev(udev);
55 usb_reset_device(udev);
56
57 usb_set_intfdata(intf, dev);
58
59 mt76x02u_init_mcu(mdev);
60 err = mt76u_init(mdev, intf, false);
61 if (err < 0)
62 goto err;
63
64 mdev->rev = mt76_rr(dev, MT_ASIC_VERSION);
65 dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev);
66 if (!is_mt76x2(dev)) {
67 err = -ENODEV;
68 goto err;
69 }
70
71 err = mt76x2u_register_device(dev);
72 if (err < 0)
73 goto err;
74
75 return 0;
76
77 err:
78 mt76_free_device(&dev->mt76);
79 usb_set_intfdata(intf, NULL);
80 usb_put_dev(udev);
81
82 return err;
83 }
84
mt76x2u_disconnect(struct usb_interface * intf)85 static void mt76x2u_disconnect(struct usb_interface *intf)
86 {
87 struct usb_device *udev = interface_to_usbdev(intf);
88 struct mt76x02_dev *dev = usb_get_intfdata(intf);
89 struct ieee80211_hw *hw = mt76_hw(dev);
90
91 set_bit(MT76_REMOVED, &dev->mphy.state);
92 ieee80211_unregister_hw(hw);
93 mt76x2u_cleanup(dev);
94 mt76_free_device(&dev->mt76);
95 usb_set_intfdata(intf, NULL);
96 usb_put_dev(udev);
97 }
98
mt76x2u_suspend(struct usb_interface * intf,pm_message_t state)99 static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf,
100 pm_message_t state)
101 {
102 struct mt76x02_dev *dev = usb_get_intfdata(intf);
103
104 mt76u_stop_rx(&dev->mt76);
105
106 return 0;
107 }
108
mt76x2u_resume(struct usb_interface * intf)109 static int __maybe_unused mt76x2u_resume(struct usb_interface *intf)
110 {
111 struct mt76x02_dev *dev = usb_get_intfdata(intf);
112 int err;
113
114 err = mt76u_resume_rx(&dev->mt76);
115 if (err < 0)
116 goto err;
117
118 err = mt76x2u_init_hardware(dev);
119 if (err < 0)
120 goto err;
121
122 return 0;
123
124 err:
125 mt76x2u_cleanup(dev);
126 return err;
127 }
128
129 MODULE_DEVICE_TABLE(usb, mt76x2u_device_table);
130 MODULE_FIRMWARE(MT7662_FIRMWARE);
131 MODULE_FIRMWARE(MT7662_ROM_PATCH);
132
133 static struct usb_driver mt76x2u_driver = {
134 .name = KBUILD_MODNAME,
135 .id_table = mt76x2u_device_table,
136 .probe = mt76x2u_probe,
137 .disconnect = mt76x2u_disconnect,
138 #ifdef CONFIG_PM
139 .suspend = mt76x2u_suspend,
140 .resume = mt76x2u_resume,
141 .reset_resume = mt76x2u_resume,
142 #endif /* CONFIG_PM */
143 .soft_unbind = 1,
144 .disable_hub_initiated_lpm = 1,
145 };
146 module_usb_driver(mt76x2u_driver);
147
148 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
149 MODULE_LICENSE("Dual BSD/GPL");
150