1 /*
2 * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #include <linux/kernel.h>
18 #include <linux/module.h>
19
20 #include "mt76x2u.h"
21
22 static const struct usb_device_id mt76x2u_device_table[] = {
23 { USB_DEVICE(0x0b05, 0x1833) }, /* Asus USB-AC54 */
24 { USB_DEVICE(0x0b05, 0x17eb) }, /* Asus USB-AC55 */
25 { USB_DEVICE(0x0b05, 0x180b) }, /* Asus USB-N53 B1 */
26 { USB_DEVICE(0x0e8d, 0x7612) }, /* Aukey USB-AC1200 */
27 { USB_DEVICE(0x057c, 0x8503) }, /* Avm FRITZ!WLAN AC860 */
28 { USB_DEVICE(0x7392, 0xb711) }, /* Edimax EW 7722 UAC */
29 { USB_DEVICE(0x0846, 0x9053) }, /* Netgear A6210 */
30 { USB_DEVICE(0x045e, 0x02e6) }, /* XBox One Wireless Adapter */
31 { },
32 };
33
mt76x2u_probe(struct usb_interface * intf,const struct usb_device_id * id)34 static int mt76x2u_probe(struct usb_interface *intf,
35 const struct usb_device_id *id)
36 {
37 struct usb_device *udev = interface_to_usbdev(intf);
38 struct mt76x2_dev *dev;
39 int err;
40
41 dev = mt76x2u_alloc_device(&intf->dev);
42 if (!dev)
43 return -ENOMEM;
44
45 udev = usb_get_dev(udev);
46 usb_reset_device(udev);
47
48 err = mt76u_init(&dev->mt76, intf);
49 if (err < 0)
50 goto err;
51
52 dev->mt76.rev = mt76_rr(dev, MT_ASIC_VERSION);
53 dev_info(dev->mt76.dev, "ASIC revision: %08x\n", dev->mt76.rev);
54
55 err = mt76x2u_register_device(dev);
56 if (err < 0)
57 goto err;
58
59 return 0;
60
61 err:
62 ieee80211_free_hw(mt76_hw(dev));
63 usb_set_intfdata(intf, NULL);
64 usb_put_dev(udev);
65
66 return err;
67 }
68
mt76x2u_disconnect(struct usb_interface * intf)69 static void mt76x2u_disconnect(struct usb_interface *intf)
70 {
71 struct usb_device *udev = interface_to_usbdev(intf);
72 struct mt76x2_dev *dev = usb_get_intfdata(intf);
73 struct ieee80211_hw *hw = mt76_hw(dev);
74
75 set_bit(MT76_REMOVED, &dev->mt76.state);
76 ieee80211_unregister_hw(hw);
77 mt76x2u_cleanup(dev);
78
79 ieee80211_free_hw(hw);
80 usb_set_intfdata(intf, NULL);
81 usb_put_dev(udev);
82 }
83
mt76x2u_suspend(struct usb_interface * intf,pm_message_t state)84 static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf,
85 pm_message_t state)
86 {
87 struct mt76x2_dev *dev = usb_get_intfdata(intf);
88 struct mt76_usb *usb = &dev->mt76.usb;
89
90 mt76u_stop_queues(&dev->mt76);
91 mt76x2u_stop_hw(dev);
92 usb_kill_urb(usb->mcu.res.urb);
93
94 return 0;
95 }
96
mt76x2u_resume(struct usb_interface * intf)97 static int __maybe_unused mt76x2u_resume(struct usb_interface *intf)
98 {
99 struct mt76x2_dev *dev = usb_get_intfdata(intf);
100 struct mt76_usb *usb = &dev->mt76.usb;
101 int err;
102
103 reinit_completion(&usb->mcu.cmpl);
104 err = mt76u_submit_buf(&dev->mt76, USB_DIR_IN,
105 MT_EP_IN_CMD_RESP,
106 &usb->mcu.res, GFP_KERNEL,
107 mt76u_mcu_complete_urb,
108 &usb->mcu.cmpl);
109 if (err < 0)
110 goto err;
111
112 err = mt76u_submit_rx_buffers(&dev->mt76);
113 if (err < 0)
114 goto err;
115
116 tasklet_enable(&usb->rx_tasklet);
117 tasklet_enable(&usb->tx_tasklet);
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(MT7662U_FIRMWARE);
132 MODULE_FIRMWARE(MT7662U_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