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
12static 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
28static 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		.tx_prepare_skb = mt76x02u_tx_prepare_skb,
36		.tx_complete_skb = mt76x02u_tx_complete_skb,
37		.tx_status_data = mt76x02_tx_status_data,
38		.rx_skb = mt76x02_queue_rx_skb,
39		.sta_ps = mt76x02_sta_ps,
40		.sta_add = mt76x02_sta_add,
41		.sta_remove = mt76x02_sta_remove,
42	};
43	struct usb_device *udev = interface_to_usbdev(intf);
44	struct mt76x02_dev *dev;
45	struct mt76_dev *mdev;
46	int err;
47
48	mdev = mt76_alloc_device(&intf->dev, sizeof(*dev), &mt76x2u_ops,
49				 &drv_ops);
50	if (!mdev)
51		return -ENOMEM;
52
53	dev = container_of(mdev, struct mt76x02_dev, mt76);
54
55	udev = usb_get_dev(udev);
56	usb_reset_device(udev);
57
58	usb_set_intfdata(intf, dev);
59
60	mt76x02u_init_mcu(mdev);
61	err = mt76u_init(mdev, intf);
62	if (err < 0)
63		goto err;
64
65	mdev->rev = mt76_rr(dev, MT_ASIC_VERSION);
66	dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev);
67	if (!is_mt76x2(dev)) {
68		err = -ENODEV;
69		goto err;
70	}
71
72	err = mt76x2u_register_device(dev);
73	if (err < 0)
74		goto err;
75
76	return 0;
77
78err:
79	mt76u_queues_deinit(&dev->mt76);
80	mt76_free_device(&dev->mt76);
81	usb_set_intfdata(intf, NULL);
82	usb_put_dev(udev);
83
84	return err;
85}
86
87static void mt76x2u_disconnect(struct usb_interface *intf)
88{
89	struct usb_device *udev = interface_to_usbdev(intf);
90	struct mt76x02_dev *dev = usb_get_intfdata(intf);
91	struct ieee80211_hw *hw = mt76_hw(dev);
92
93	set_bit(MT76_REMOVED, &dev->mphy.state);
94	ieee80211_unregister_hw(hw);
95	mt76x2u_cleanup(dev);
96	mt76_free_device(&dev->mt76);
97	usb_set_intfdata(intf, NULL);
98	usb_put_dev(udev);
99}
100
101static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf,
102					  pm_message_t state)
103{
104	struct mt76x02_dev *dev = usb_get_intfdata(intf);
105
106	mt76u_stop_rx(&dev->mt76);
107
108	return 0;
109}
110
111static int __maybe_unused mt76x2u_resume(struct usb_interface *intf)
112{
113	struct mt76x02_dev *dev = usb_get_intfdata(intf);
114	int err;
115
116	err = mt76u_resume_rx(&dev->mt76);
117	if (err < 0)
118		goto err;
119
120	err = mt76x2u_init_hardware(dev);
121	if (err < 0)
122		goto err;
123
124	return 0;
125
126err:
127	mt76x2u_cleanup(dev);
128	return err;
129}
130
131MODULE_DEVICE_TABLE(usb, mt76x2u_device_table);
132MODULE_FIRMWARE(MT7662_FIRMWARE);
133MODULE_FIRMWARE(MT7662_ROM_PATCH);
134
135static struct usb_driver mt76x2u_driver = {
136	.name		= KBUILD_MODNAME,
137	.id_table	= mt76x2u_device_table,
138	.probe		= mt76x2u_probe,
139	.disconnect	= mt76x2u_disconnect,
140#ifdef CONFIG_PM
141	.suspend	= mt76x2u_suspend,
142	.resume		= mt76x2u_resume,
143	.reset_resume	= mt76x2u_resume,
144#endif /* CONFIG_PM */
145	.soft_unbind	= 1,
146	.disable_hub_initiated_lpm = 1,
147};
148module_usb_driver(mt76x2u_driver);
149
150MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
151MODULE_DESCRIPTION("MediaTek MT76x2U (USB) wireless driver");
152MODULE_LICENSE("Dual BSD/GPL");
153