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 .update_survey = mt76x02_update_channel, 29 .tx_prepare_skb = mt76x02u_tx_prepare_skb, 30 .tx_complete_skb = mt76x02u_tx_complete_skb, 31 .tx_status_data = mt76x02_tx_status_data, 32 .rx_skb = mt76x02_queue_rx_skb, 33 .sta_ps = mt76x02_sta_ps, 34 .sta_add = mt76x02_sta_add, 35 .sta_remove = mt76x02_sta_remove, 36 }; 37 struct usb_device *udev = interface_to_usbdev(intf); 38 struct mt76x02_dev *dev; 39 struct mt76_dev *mdev; 40 int err; 41 42 mdev = mt76_alloc_device(&udev->dev, sizeof(*dev), &mt76x2u_ops, 43 &drv_ops); 44 if (!mdev) 45 return -ENOMEM; 46 47 dev = container_of(mdev, struct mt76x02_dev, mt76); 48 49 udev = usb_get_dev(udev); 50 usb_reset_device(udev); 51 52 usb_set_intfdata(intf, dev); 53 54 mt76x02u_init_mcu(mdev); 55 err = mt76u_init(mdev, intf); 56 if (err < 0) 57 goto err; 58 59 mdev->rev = mt76_rr(dev, MT_ASIC_VERSION); 60 dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev); 61 if (!is_mt76x2(dev)) { 62 err = -ENODEV; 63 goto err; 64 } 65 66 err = mt76x2u_register_device(dev); 67 if (err < 0) 68 goto err; 69 70 return 0; 71 72 err: 73 ieee80211_free_hw(mt76_hw(dev)); 74 usb_set_intfdata(intf, NULL); 75 usb_put_dev(udev); 76 77 return err; 78 } 79 80 static void mt76x2u_disconnect(struct usb_interface *intf) 81 { 82 struct usb_device *udev = interface_to_usbdev(intf); 83 struct mt76x02_dev *dev = usb_get_intfdata(intf); 84 struct ieee80211_hw *hw = mt76_hw(dev); 85 86 set_bit(MT76_REMOVED, &dev->mt76.state); 87 ieee80211_unregister_hw(hw); 88 mt76x2u_cleanup(dev); 89 90 ieee80211_free_hw(hw); 91 usb_set_intfdata(intf, NULL); 92 usb_put_dev(udev); 93 } 94 95 static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf, 96 pm_message_t state) 97 { 98 struct mt76x02_dev *dev = usb_get_intfdata(intf); 99 100 mt76u_stop_rx(&dev->mt76); 101 102 return 0; 103 } 104 105 static int __maybe_unused mt76x2u_resume(struct usb_interface *intf) 106 { 107 struct mt76x02_dev *dev = usb_get_intfdata(intf); 108 int err; 109 110 err = mt76u_resume_rx(&dev->mt76); 111 if (err < 0) 112 goto err; 113 114 err = mt76x2u_init_hardware(dev); 115 if (err < 0) 116 goto err; 117 118 return 0; 119 120 err: 121 mt76x2u_cleanup(dev); 122 return err; 123 } 124 125 MODULE_DEVICE_TABLE(usb, mt76x2u_device_table); 126 MODULE_FIRMWARE(MT7662_FIRMWARE); 127 MODULE_FIRMWARE(MT7662_ROM_PATCH); 128 129 static struct usb_driver mt76x2u_driver = { 130 .name = KBUILD_MODNAME, 131 .id_table = mt76x2u_device_table, 132 .probe = mt76x2u_probe, 133 .disconnect = mt76x2u_disconnect, 134 #ifdef CONFIG_PM 135 .suspend = mt76x2u_suspend, 136 .resume = mt76x2u_resume, 137 .reset_resume = mt76x2u_resume, 138 #endif /* CONFIG_PM */ 139 .soft_unbind = 1, 140 .disable_hub_initiated_lpm = 1, 141 }; 142 module_usb_driver(mt76x2u_driver); 143 144 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>"); 145 MODULE_LICENSE("Dual BSD/GPL"); 146