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(0x0e8d, 0x7612) }, /* Alfa AWUS036ACM */ 25 { USB_DEVICE(0x0b05, 0x1833) }, /* Asus USB-AC54 */ 26 { USB_DEVICE(0x0b05, 0x17eb) }, /* Asus USB-AC55 */ 27 { USB_DEVICE(0x0b05, 0x180b) }, /* Asus USB-N53 B1 */ 28 { USB_DEVICE(0x0e8d, 0x7612) }, /* Aukey USB-AC1200 */ 29 { USB_DEVICE(0x057c, 0x8503) }, /* Avm FRITZ!WLAN AC860 */ 30 { USB_DEVICE(0x7392, 0xb711) }, /* Edimax EW 7722 UAC */ 31 { USB_DEVICE(0x0846, 0x9053) }, /* Netgear A6210 */ 32 { USB_DEVICE(0x045e, 0x02e6) }, /* XBox One Wireless Adapter */ 33 { }, 34 }; 35 36 static int mt76x2u_probe(struct usb_interface *intf, 37 const struct usb_device_id *id) 38 { 39 static const struct mt76_driver_ops drv_ops = { 40 .tx_prepare_skb = mt76x02u_tx_prepare_skb, 41 .tx_complete_skb = mt76x02u_tx_complete_skb, 42 .tx_status_data = mt76x02_tx_status_data, 43 .rx_skb = mt76x02_queue_rx_skb, 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(&intf->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 mt76x02u_init_mcu(mdev); 63 err = mt76u_init(mdev, intf); 64 if (err < 0) 65 goto err; 66 67 mdev->rev = mt76_rr(dev, MT_ASIC_VERSION); 68 dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev); 69 70 err = mt76x2u_register_device(dev); 71 if (err < 0) 72 goto err; 73 74 return 0; 75 76 err: 77 ieee80211_free_hw(mt76_hw(dev)); 78 usb_set_intfdata(intf, NULL); 79 usb_put_dev(udev); 80 81 return err; 82 } 83 84 static void mt76x2u_disconnect(struct usb_interface *intf) 85 { 86 struct usb_device *udev = interface_to_usbdev(intf); 87 struct mt76x02_dev *dev = usb_get_intfdata(intf); 88 struct ieee80211_hw *hw = mt76_hw(dev); 89 90 set_bit(MT76_REMOVED, &dev->mt76.state); 91 ieee80211_unregister_hw(hw); 92 mt76x2u_cleanup(dev); 93 94 ieee80211_free_hw(hw); 95 usb_set_intfdata(intf, NULL); 96 usb_put_dev(udev); 97 } 98 99 static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf, 100 pm_message_t state) 101 { 102 struct mt76x02_dev *dev = usb_get_intfdata(intf); 103 104 mt76u_stop_queues(&dev->mt76); 105 mt76x2u_stop_hw(dev); 106 107 return 0; 108 } 109 110 static int __maybe_unused mt76x2u_resume(struct usb_interface *intf) 111 { 112 struct mt76x02_dev *dev = usb_get_intfdata(intf); 113 struct mt76_usb *usb = &dev->mt76.usb; 114 int err; 115 116 err = mt76u_submit_rx_buffers(&dev->mt76); 117 if (err < 0) 118 goto err; 119 120 tasklet_enable(&usb->rx_tasklet); 121 tasklet_enable(&usb->tx_tasklet); 122 123 err = mt76x2u_init_hardware(dev); 124 if (err < 0) 125 goto err; 126 127 return 0; 128 129 err: 130 mt76x2u_cleanup(dev); 131 return err; 132 } 133 134 MODULE_DEVICE_TABLE(usb, mt76x2u_device_table); 135 MODULE_FIRMWARE(MT7662_FIRMWARE); 136 MODULE_FIRMWARE(MT7662_ROM_PATCH); 137 138 static struct usb_driver mt76x2u_driver = { 139 .name = KBUILD_MODNAME, 140 .id_table = mt76x2u_device_table, 141 .probe = mt76x2u_probe, 142 .disconnect = mt76x2u_disconnect, 143 #ifdef CONFIG_PM 144 .suspend = mt76x2u_suspend, 145 .resume = mt76x2u_resume, 146 .reset_resume = mt76x2u_resume, 147 #endif /* CONFIG_PM */ 148 .soft_unbind = 1, 149 .disable_hub_initiated_lpm = 1, 150 }; 151 module_usb_driver(mt76x2u_driver); 152 153 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>"); 154 MODULE_LICENSE("Dual BSD/GPL"); 155