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(0x0e8d, 0x7632) }, /* HC-M7662BU1 */ 20 { USB_DEVICE(0x2c4e, 0x0103) }, /* Mercury UD13 */ 21 { USB_DEVICE(0x0846, 0x9014) }, /* Netgear WNDA3100v3 */ 22 { USB_DEVICE(0x0846, 0x9053) }, /* Netgear A6210 */ 23 { USB_DEVICE(0x045e, 0x02e6) }, /* XBox One Wireless Adapter */ 24 { USB_DEVICE(0x045e, 0x02fe) }, /* XBox One Wireless Adapter */ 25 { }, 26 }; 27 28 static int mt76x2u_probe(struct usb_interface *intf, 29 const struct usb_device_id *id) 30 { 31 static const struct mt76_driver_ops drv_ops = { 32 .drv_flags = MT_DRV_SW_RX_AIRTIME, 33 .survey_flags = SURVEY_INFO_TIME_TX, 34 .update_survey = mt76x02_update_channel, 35 .set_channel = mt76x2u_set_channel, 36 .tx_prepare_skb = mt76x02u_tx_prepare_skb, 37 .tx_complete_skb = mt76x02u_tx_complete_skb, 38 .tx_status_data = mt76x02_tx_status_data, 39 .rx_skb = mt76x02_queue_rx_skb, 40 .sta_ps = mt76x02_sta_ps, 41 .sta_add = mt76x02_sta_add, 42 .sta_remove = mt76x02_sta_remove, 43 }; 44 struct usb_device *udev = interface_to_usbdev(intf); 45 struct mt76x02_dev *dev; 46 struct mt76_dev *mdev; 47 int err; 48 49 mdev = mt76_alloc_device(&intf->dev, sizeof(*dev), &mt76x2u_ops, 50 &drv_ops); 51 if (!mdev) 52 return -ENOMEM; 53 54 dev = container_of(mdev, struct mt76x02_dev, mt76); 55 56 udev = usb_get_dev(udev); 57 usb_reset_device(udev); 58 59 usb_set_intfdata(intf, dev); 60 61 mt76x02u_init_mcu(mdev); 62 err = mt76u_init(mdev, intf); 63 if (err < 0) 64 goto err; 65 66 mdev->rev = mt76_rr(dev, MT_ASIC_VERSION); 67 dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev); 68 if (!is_mt76x2(dev)) { 69 err = -ENODEV; 70 goto err; 71 } 72 73 err = mt76x2u_register_device(dev); 74 if (err < 0) 75 goto err; 76 77 return 0; 78 79 err: 80 mt76u_queues_deinit(&dev->mt76); 81 mt76_free_device(&dev->mt76); 82 usb_set_intfdata(intf, NULL); 83 usb_put_dev(udev); 84 85 return err; 86 } 87 88 static void mt76x2u_disconnect(struct usb_interface *intf) 89 { 90 struct usb_device *udev = interface_to_usbdev(intf); 91 struct mt76x02_dev *dev = usb_get_intfdata(intf); 92 struct ieee80211_hw *hw = mt76_hw(dev); 93 94 set_bit(MT76_REMOVED, &dev->mphy.state); 95 ieee80211_unregister_hw(hw); 96 mt76x2u_cleanup(dev); 97 mt76_free_device(&dev->mt76); 98 usb_set_intfdata(intf, NULL); 99 usb_put_dev(udev); 100 } 101 102 static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf, 103 pm_message_t state) 104 { 105 struct mt76x02_dev *dev = usb_get_intfdata(intf); 106 107 mt76u_stop_rx(&dev->mt76); 108 109 return 0; 110 } 111 112 static int __maybe_unused mt76x2u_resume(struct usb_interface *intf) 113 { 114 struct mt76x02_dev *dev = usb_get_intfdata(intf); 115 int err; 116 117 err = mt76u_resume_rx(&dev->mt76); 118 if (err < 0) 119 goto err; 120 121 err = mt76x2u_init_hardware(dev); 122 if (err < 0) 123 goto err; 124 125 return 0; 126 127 err: 128 mt76x2u_cleanup(dev); 129 return err; 130 } 131 132 MODULE_DEVICE_TABLE(usb, mt76x2u_device_table); 133 MODULE_FIRMWARE(MT7662_FIRMWARE); 134 MODULE_FIRMWARE(MT7662_ROM_PATCH); 135 136 static struct usb_driver mt76x2u_driver = { 137 .name = KBUILD_MODNAME, 138 .id_table = mt76x2u_device_table, 139 .probe = mt76x2u_probe, 140 .disconnect = mt76x2u_disconnect, 141 #ifdef CONFIG_PM 142 .suspend = mt76x2u_suspend, 143 .resume = mt76x2u_resume, 144 .reset_resume = mt76x2u_resume, 145 #endif /* CONFIG_PM */ 146 .soft_unbind = 1, 147 .disable_hub_initiated_lpm = 1, 148 }; 149 module_usb_driver(mt76x2u_driver); 150 151 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>"); 152 MODULE_DESCRIPTION("MediaTek MT76x2U (USB) wireless driver"); 153 MODULE_LICENSE("Dual BSD/GPL"); 154