summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c
blob: da5e0f9a8baeb9722cac32e4d93da48ff8107693 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
// SPDX-License-Identifier: ISC
/*
 * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
 */

#include <linux/kernel.h>
#include <linux/module.h>

#include "../mt76x02_usb.h"
#include "mt76x2u.h"

static const struct usb_device_id mt76x2u_device_table[] = {
	{ USB_DEVICE(0x0b05, 0x1833) },	/* Asus USB-AC54 */
	{ USB_DEVICE(0x0b05, 0x17eb) },	/* Asus USB-AC55 */
	{ USB_DEVICE(0x0b05, 0x180b) },	/* Asus USB-N53 B1 */
	{ USB_DEVICE(0x0e8d, 0x7612) },	/* Aukey USBAC1200 - Alfa AWUS036ACM */
	{ USB_DEVICE(0x057c, 0x8503) },	/* Avm FRITZ!WLAN AC860 */
	{ USB_DEVICE(0x7392, 0xb711) },	/* Edimax EW 7722 UAC */
	{ USB_DEVICE(0x0846, 0x9053) },	/* Netgear A6210 */
	{ USB_DEVICE(0x045e, 0x02e6) },	/* XBox One Wireless Adapter */
	{ },
};

static int mt76x2u_probe(struct usb_interface *intf,
			 const struct usb_device_id *id)
{
	static const struct mt76_driver_ops drv_ops = {
		.update_survey = mt76x02_update_channel,
		.tx_prepare_skb = mt76x02u_tx_prepare_skb,
		.tx_complete_skb = mt76x02u_tx_complete_skb,
		.tx_status_data = mt76x02_tx_status_data,
		.rx_skb = mt76x02_queue_rx_skb,
		.sta_ps = mt76x02_sta_ps,
		.sta_add = mt76x02_sta_add,
		.sta_remove = mt76x02_sta_remove,
	};
	struct usb_device *udev = interface_to_usbdev(intf);
	struct mt76x02_dev *dev;
	struct mt76_dev *mdev;
	int err;

	mdev = mt76_alloc_device(&udev->dev, sizeof(*dev), &mt76x2u_ops,
				 &drv_ops);
	if (!mdev)
		return -ENOMEM;

	dev = container_of(mdev, struct mt76x02_dev, mt76);

	udev = usb_get_dev(udev);
	usb_reset_device(udev);

	usb_set_intfdata(intf, dev);

	mt76x02u_init_mcu(mdev);
	err = mt76u_init(mdev, intf);
	if (err < 0)
		goto err;

	mdev->rev = mt76_rr(dev, MT_ASIC_VERSION);
	dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev);
	if (!is_mt76x2(dev)) {
		err = -ENODEV;
		goto err;
	}

	err = mt76x2u_register_device(dev);
	if (err < 0)
		goto err;

	return 0;

err:
	ieee80211_free_hw(mt76_hw(dev));
	usb_set_intfdata(intf, NULL);
	usb_put_dev(udev);

	return err;
}

static void mt76x2u_disconnect(struct usb_interface *intf)
{
	struct usb_device *udev = interface_to_usbdev(intf);
	struct mt76x02_dev *dev = usb_get_intfdata(intf);
	struct ieee80211_hw *hw = mt76_hw(dev);

	set_bit(MT76_REMOVED, &dev->mt76.state);
	ieee80211_unregister_hw(hw);
	mt76x2u_cleanup(dev);

	ieee80211_free_hw(hw);
	usb_set_intfdata(intf, NULL);
	usb_put_dev(udev);
}

static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf,
					  pm_message_t state)
{
	struct mt76x02_dev *dev = usb_get_intfdata(intf);

	mt76u_stop_rx(&dev->mt76);

	return 0;
}

static int __maybe_unused mt76x2u_resume(struct usb_interface *intf)
{
	struct mt76x02_dev *dev = usb_get_intfdata(intf);
	int err;

	err = mt76u_resume_rx(&dev->mt76);
	if (err < 0)
		goto err;

	err = mt76x2u_init_hardware(dev);
	if (err < 0)
		goto err;

	return 0;

err:
	mt76x2u_cleanup(dev);
	return err;
}

MODULE_DEVICE_TABLE(usb, mt76x2u_device_table);
MODULE_FIRMWARE(MT7662_FIRMWARE);
MODULE_FIRMWARE(MT7662_ROM_PATCH);

static struct usb_driver mt76x2u_driver = {
	.name		= KBUILD_MODNAME,
	.id_table	= mt76x2u_device_table,
	.probe		= mt76x2u_probe,
	.disconnect	= mt76x2u_disconnect,
#ifdef CONFIG_PM
	.suspend	= mt76x2u_suspend,
	.resume		= mt76x2u_resume,
	.reset_resume	= mt76x2u_resume,
#endif /* CONFIG_PM */
	.soft_unbind	= 1,
	.disable_hub_initiated_lpm = 1,
};
module_usb_driver(mt76x2u_driver);

MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
MODULE_LICENSE("Dual BSD/GPL");