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);
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 mt76u_queues_deinit(&dev->mt76);
79 mt76_free_device(&dev->mt76);
80 usb_set_intfdata(intf, NULL);
81 usb_put_dev(udev);
82
83 return err;
84 }
85
mt76x2u_disconnect(struct usb_interface * intf)86 static void mt76x2u_disconnect(struct usb_interface *intf)
87 {
88 struct usb_device *udev = interface_to_usbdev(intf);
89 struct mt76x02_dev *dev = usb_get_intfdata(intf);
90 struct ieee80211_hw *hw = mt76_hw(dev);
91
92 set_bit(MT76_REMOVED, &dev->mphy.state);
93 ieee80211_unregister_hw(hw);
94 mt76x2u_cleanup(dev);
95 mt76_free_device(&dev->mt76);
96 usb_set_intfdata(intf, NULL);
97 usb_put_dev(udev);
98 }
99
mt76x2u_suspend(struct usb_interface * intf,pm_message_t state)100 static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf,
101 pm_message_t state)
102 {
103 struct mt76x02_dev *dev = usb_get_intfdata(intf);
104
105 mt76u_stop_rx(&dev->mt76);
106
107 return 0;
108 }
109
mt76x2u_resume(struct usb_interface * intf)110 static int __maybe_unused mt76x2u_resume(struct usb_interface *intf)
111 {
112 struct mt76x02_dev *dev = usb_get_intfdata(intf);
113 int err;
114
115 err = mt76u_resume_rx(&dev->mt76);
116 if (err < 0)
117 goto err;
118
119 err = mt76x2u_init_hardware(dev);
120 if (err < 0)
121 goto err;
122
123 return 0;
124
125 err:
126 mt76x2u_cleanup(dev);
127 return err;
128 }
129
130 MODULE_DEVICE_TABLE(usb, mt76x2u_device_table);
131 MODULE_FIRMWARE(MT7662_FIRMWARE);
132 MODULE_FIRMWARE(MT7662_ROM_PATCH);
133
134 static struct usb_driver mt76x2u_driver = {
135 .name = KBUILD_MODNAME,
136 .id_table = mt76x2u_device_table,
137 .probe = mt76x2u_probe,
138 .disconnect = mt76x2u_disconnect,
139 #ifdef CONFIG_PM
140 .suspend = mt76x2u_suspend,
141 .resume = mt76x2u_resume,
142 .reset_resume = mt76x2u_resume,
143 #endif /* CONFIG_PM */
144 .soft_unbind = 1,
145 .disable_hub_initiated_lpm = 1,
146 };
147 module_usb_driver(mt76x2u_driver);
148
149 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
150 MODULE_LICENSE("Dual BSD/GPL");
151