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(0x0846, 0x9053) }, /* Netgear A6210 */ 20 { USB_DEVICE(0x045e, 0x02e6) }, /* XBox One Wireless Adapter */ 21 { }, 22 }; 23 24 static int mt76x2u_probe(struct usb_interface *intf, 25 const struct usb_device_id *id) 26 { 27 static const struct mt76_driver_ops drv_ops = { 28 .tx_prepare_skb = mt76x02u_tx_prepare_skb, 29 .tx_complete_skb = mt76x02u_tx_complete_skb, 30 .tx_status_data = mt76x02_tx_status_data, 31 .rx_skb = mt76x02_queue_rx_skb, 32 .sta_ps = mt76x02_sta_ps, 33 .sta_add = mt76x02_sta_add, 34 .sta_remove = mt76x02_sta_remove, 35 }; 36 struct usb_device *udev = interface_to_usbdev(intf); 37 struct mt76x02_dev *dev; 38 struct mt76_dev *mdev; 39 int err; 40 41 mdev = mt76_alloc_device(&udev->dev, sizeof(*dev), &mt76x2u_ops, 42 &drv_ops); 43 if (!mdev) 44 return -ENOMEM; 45 46 dev = container_of(mdev, struct mt76x02_dev, mt76); 47 48 udev = usb_get_dev(udev); 49 usb_reset_device(udev); 50 51 usb_set_intfdata(intf, dev); 52 53 mt76x02u_init_mcu(mdev); 54 err = mt76u_init(mdev, intf); 55 if (err < 0) 56 goto err; 57 58 mdev->rev = mt76_rr(dev, MT_ASIC_VERSION); 59 dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev); 60 if (!is_mt76x2(dev)) { 61 err = -ENODEV; 62 goto err; 63 } 64 65 err = mt76x2u_register_device(dev); 66 if (err < 0) 67 goto err; 68 69 return 0; 70 71 err: 72 ieee80211_free_hw(mt76_hw(dev)); 73 usb_set_intfdata(intf, NULL); 74 usb_put_dev(udev); 75 76 return err; 77 } 78 79 static void mt76x2u_disconnect(struct usb_interface *intf) 80 { 81 struct usb_device *udev = interface_to_usbdev(intf); 82 struct mt76x02_dev *dev = usb_get_intfdata(intf); 83 struct ieee80211_hw *hw = mt76_hw(dev); 84 85 set_bit(MT76_REMOVED, &dev->mt76.state); 86 ieee80211_unregister_hw(hw); 87 mt76x2u_cleanup(dev); 88 89 ieee80211_free_hw(hw); 90 usb_set_intfdata(intf, NULL); 91 usb_put_dev(udev); 92 } 93 94 static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf, 95 pm_message_t state) 96 { 97 struct mt76x02_dev *dev = usb_get_intfdata(intf); 98 99 mt76u_stop_rx(&dev->mt76); 100 101 return 0; 102 } 103 104 static int __maybe_unused mt76x2u_resume(struct usb_interface *intf) 105 { 106 struct mt76x02_dev *dev = usb_get_intfdata(intf); 107 int err; 108 109 err = mt76u_resume_rx(&dev->mt76); 110 if (err < 0) 111 goto err; 112 113 err = mt76x2u_init_hardware(dev); 114 if (err < 0) 115 goto err; 116 117 return 0; 118 119 err: 120 mt76x2u_cleanup(dev); 121 return err; 122 } 123 124 MODULE_DEVICE_TABLE(usb, mt76x2u_device_table); 125 MODULE_FIRMWARE(MT7662_FIRMWARE); 126 MODULE_FIRMWARE(MT7662_ROM_PATCH); 127 128 static struct usb_driver mt76x2u_driver = { 129 .name = KBUILD_MODNAME, 130 .id_table = mt76x2u_device_table, 131 .probe = mt76x2u_probe, 132 .disconnect = mt76x2u_disconnect, 133 #ifdef CONFIG_PM 134 .suspend = mt76x2u_suspend, 135 .resume = mt76x2u_resume, 136 .reset_resume = mt76x2u_resume, 137 #endif /* CONFIG_PM */ 138 .soft_unbind = 1, 139 .disable_hub_initiated_lpm = 1, 140 }; 141 module_usb_driver(mt76x2u_driver); 142 143 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>"); 144 MODULE_LICENSE("Dual BSD/GPL"); 145