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 "../mt76x02_usb.h" 21 #include "mt76x2u.h" 22 23 static const struct usb_device_id mt76x2u_device_table[] = { 24 { USB_DEVICE(0x0b05, 0x1833) }, /* Asus USB-AC54 */ 25 { USB_DEVICE(0x0b05, 0x17eb) }, /* Asus USB-AC55 */ 26 { USB_DEVICE(0x0b05, 0x180b) }, /* Asus USB-N53 B1 */ 27 { USB_DEVICE(0x0e8d, 0x7612) }, /* Aukey USBAC1200 - Alfa AWUS036ACM */ 28 { USB_DEVICE(0x057c, 0x8503) }, /* Avm FRITZ!WLAN AC860 */ 29 { USB_DEVICE(0x7392, 0xb711) }, /* Edimax EW 7722 UAC */ 30 { USB_DEVICE(0x0846, 0x9053) }, /* Netgear A6210 */ 31 { USB_DEVICE(0x045e, 0x02e6) }, /* XBox One Wireless Adapter */ 32 { }, 33 }; 34 35 static int mt76x2u_probe(struct usb_interface *intf, 36 const struct usb_device_id *id) 37 { 38 static const struct mt76_driver_ops drv_ops = { 39 .tx_prepare_skb = mt76x02u_tx_prepare_skb, 40 .tx_complete_skb = mt76x02u_tx_complete_skb, 41 .tx_status_data = mt76x02_tx_status_data, 42 .rx_skb = mt76x02_queue_rx_skb, 43 .sta_ps = mt76x02_sta_ps, 44 .sta_add = mt76x02_sta_add, 45 .sta_remove = mt76x02_sta_remove, 46 }; 47 struct usb_device *udev = interface_to_usbdev(intf); 48 struct mt76x02_dev *dev; 49 struct mt76_dev *mdev; 50 int err; 51 52 mdev = mt76_alloc_device(&udev->dev, sizeof(*dev), &mt76x2u_ops, 53 &drv_ops); 54 if (!mdev) 55 return -ENOMEM; 56 57 dev = container_of(mdev, struct mt76x02_dev, mt76); 58 59 udev = usb_get_dev(udev); 60 usb_reset_device(udev); 61 62 usb_set_intfdata(intf, dev); 63 64 mt76x02u_init_mcu(mdev); 65 err = mt76u_init(mdev, intf); 66 if (err < 0) 67 goto err; 68 69 mdev->rev = mt76_rr(dev, MT_ASIC_VERSION); 70 dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev); 71 if (!is_mt76x2(dev)) { 72 err = -ENODEV; 73 goto err; 74 } 75 76 err = mt76x2u_register_device(dev); 77 if (err < 0) 78 goto err; 79 80 return 0; 81 82 err: 83 ieee80211_free_hw(mt76_hw(dev)); 84 usb_set_intfdata(intf, NULL); 85 usb_put_dev(udev); 86 87 return err; 88 } 89 90 static void mt76x2u_disconnect(struct usb_interface *intf) 91 { 92 struct usb_device *udev = interface_to_usbdev(intf); 93 struct mt76x02_dev *dev = usb_get_intfdata(intf); 94 struct ieee80211_hw *hw = mt76_hw(dev); 95 96 set_bit(MT76_REMOVED, &dev->mt76.state); 97 ieee80211_unregister_hw(hw); 98 mt76x2u_cleanup(dev); 99 100 ieee80211_free_hw(hw); 101 usb_set_intfdata(intf, NULL); 102 usb_put_dev(udev); 103 } 104 105 static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf, 106 pm_message_t state) 107 { 108 struct mt76x02_dev *dev = usb_get_intfdata(intf); 109 110 mt76u_stop_rx(&dev->mt76); 111 112 return 0; 113 } 114 115 static int __maybe_unused mt76x2u_resume(struct usb_interface *intf) 116 { 117 struct mt76x02_dev *dev = usb_get_intfdata(intf); 118 int err; 119 120 err = mt76u_resume_rx(&dev->mt76); 121 if (err < 0) 122 goto err; 123 124 err = mt76x2u_init_hardware(dev); 125 if (err < 0) 126 goto err; 127 128 return 0; 129 130 err: 131 mt76x2u_cleanup(dev); 132 return err; 133 } 134 135 MODULE_DEVICE_TABLE(usb, mt76x2u_device_table); 136 MODULE_FIRMWARE(MT7662_FIRMWARE); 137 MODULE_FIRMWARE(MT7662_ROM_PATCH); 138 139 static struct usb_driver mt76x2u_driver = { 140 .name = KBUILD_MODNAME, 141 .id_table = mt76x2u_device_table, 142 .probe = mt76x2u_probe, 143 .disconnect = mt76x2u_disconnect, 144 #ifdef CONFIG_PM 145 .suspend = mt76x2u_suspend, 146 .resume = mt76x2u_resume, 147 .reset_resume = mt76x2u_resume, 148 #endif /* CONFIG_PM */ 149 .soft_unbind = 1, 150 .disable_hub_initiated_lpm = 1, 151 }; 152 module_usb_driver(mt76x2u_driver); 153 154 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>"); 155 MODULE_LICENSE("Dual BSD/GPL"); 156