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_add = mt76x02_sta_add, 44 .sta_remove = mt76x02_sta_remove, 45 }; 46 struct usb_device *udev = interface_to_usbdev(intf); 47 struct mt76x02_dev *dev; 48 struct mt76_dev *mdev; 49 int err; 50 51 mdev = mt76_alloc_device(&intf->dev, sizeof(*dev), &mt76x2u_ops, 52 &drv_ops); 53 if (!mdev) 54 return -ENOMEM; 55 56 dev = container_of(mdev, struct mt76x02_dev, mt76); 57 58 udev = usb_get_dev(udev); 59 usb_reset_device(udev); 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 ieee80211_free_hw(mt76_hw(dev)); 81 usb_set_intfdata(intf, NULL); 82 usb_put_dev(udev); 83 84 return err; 85 } 86 87 static void mt76x2u_disconnect(struct usb_interface *intf) 88 { 89 struct usb_device *udev = interface_to_usbdev(intf); 90 struct mt76x02_dev *dev = usb_get_intfdata(intf); 91 struct ieee80211_hw *hw = mt76_hw(dev); 92 93 set_bit(MT76_REMOVED, &dev->mt76.state); 94 ieee80211_unregister_hw(hw); 95 mt76x2u_cleanup(dev); 96 97 ieee80211_free_hw(hw); 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_queues(&dev->mt76); 108 mt76x2u_stop_hw(dev); 109 110 return 0; 111 } 112 113 static int __maybe_unused mt76x2u_resume(struct usb_interface *intf) 114 { 115 struct mt76x02_dev *dev = usb_get_intfdata(intf); 116 struct mt76_usb *usb = &dev->mt76.usb; 117 int err; 118 119 err = mt76u_submit_rx_buffers(&dev->mt76); 120 if (err < 0) 121 goto err; 122 123 tasklet_enable(&usb->rx_tasklet); 124 tasklet_enable(&usb->tx_tasklet); 125 126 err = mt76x2u_init_hardware(dev); 127 if (err < 0) 128 goto err; 129 130 return 0; 131 132 err: 133 mt76x2u_cleanup(dev); 134 return err; 135 } 136 137 MODULE_DEVICE_TABLE(usb, mt76x2u_device_table); 138 MODULE_FIRMWARE(MT7662_FIRMWARE); 139 MODULE_FIRMWARE(MT7662_ROM_PATCH); 140 141 static struct usb_driver mt76x2u_driver = { 142 .name = KBUILD_MODNAME, 143 .id_table = mt76x2u_device_table, 144 .probe = mt76x2u_probe, 145 .disconnect = mt76x2u_disconnect, 146 #ifdef CONFIG_PM 147 .suspend = mt76x2u_suspend, 148 .resume = mt76x2u_resume, 149 .reset_resume = mt76x2u_resume, 150 #endif /* CONFIG_PM */ 151 .soft_unbind = 1, 152 .disable_hub_initiated_lpm = 1, 153 }; 154 module_usb_driver(mt76x2u_driver); 155 156 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>"); 157 MODULE_LICENSE("Dual BSD/GPL"); 158