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 struct usb_device *udev = interface_to_usbdev(intf); 40 struct mt76x02_dev *dev; 41 int err; 42 43 dev = mt76x2u_alloc_device(&intf->dev); 44 if (!dev) 45 return -ENOMEM; 46 47 udev = usb_get_dev(udev); 48 usb_reset_device(udev); 49 50 mt76x02u_init_mcu(&dev->mt76); 51 err = mt76u_init(&dev->mt76, intf); 52 if (err < 0) 53 goto err; 54 55 dev->mt76.rev = mt76_rr(dev, MT_ASIC_VERSION); 56 dev_info(dev->mt76.dev, "ASIC revision: %08x\n", dev->mt76.rev); 57 58 err = mt76x2u_register_device(dev); 59 if (err < 0) 60 goto err; 61 62 return 0; 63 64 err: 65 ieee80211_free_hw(mt76_hw(dev)); 66 usb_set_intfdata(intf, NULL); 67 usb_put_dev(udev); 68 69 return err; 70 } 71 72 static void mt76x2u_disconnect(struct usb_interface *intf) 73 { 74 struct usb_device *udev = interface_to_usbdev(intf); 75 struct mt76x02_dev *dev = usb_get_intfdata(intf); 76 struct ieee80211_hw *hw = mt76_hw(dev); 77 78 set_bit(MT76_REMOVED, &dev->mt76.state); 79 ieee80211_unregister_hw(hw); 80 mt76x2u_cleanup(dev); 81 82 ieee80211_free_hw(hw); 83 usb_set_intfdata(intf, NULL); 84 usb_put_dev(udev); 85 } 86 87 static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf, 88 pm_message_t state) 89 { 90 struct mt76x02_dev *dev = usb_get_intfdata(intf); 91 struct mt76_usb *usb = &dev->mt76.usb; 92 93 mt76u_stop_queues(&dev->mt76); 94 mt76x2u_stop_hw(dev); 95 usb_kill_urb(usb->mcu.res.urb); 96 97 return 0; 98 } 99 100 static int __maybe_unused mt76x2u_resume(struct usb_interface *intf) 101 { 102 struct mt76x02_dev *dev = usb_get_intfdata(intf); 103 struct mt76_usb *usb = &dev->mt76.usb; 104 int err; 105 106 reinit_completion(&usb->mcu.cmpl); 107 err = mt76u_submit_buf(&dev->mt76, USB_DIR_IN, 108 MT_EP_IN_CMD_RESP, 109 &usb->mcu.res, GFP_KERNEL, 110 mt76u_mcu_complete_urb, 111 &usb->mcu.cmpl); 112 if (err < 0) 113 goto err; 114 115 err = mt76u_submit_rx_buffers(&dev->mt76); 116 if (err < 0) 117 goto err; 118 119 tasklet_enable(&usb->rx_tasklet); 120 tasklet_enable(&usb->tx_tasklet); 121 122 err = mt76x2u_init_hardware(dev); 123 if (err < 0) 124 goto err; 125 126 return 0; 127 128 err: 129 mt76x2u_cleanup(dev); 130 return err; 131 } 132 133 MODULE_DEVICE_TABLE(usb, mt76x2u_device_table); 134 MODULE_FIRMWARE(MT7662_FIRMWARE); 135 MODULE_FIRMWARE(MT7662_ROM_PATCH); 136 137 static struct usb_driver mt76x2u_driver = { 138 .name = KBUILD_MODNAME, 139 .id_table = mt76x2u_device_table, 140 .probe = mt76x2u_probe, 141 .disconnect = mt76x2u_disconnect, 142 #ifdef CONFIG_PM 143 .suspend = mt76x2u_suspend, 144 .resume = mt76x2u_resume, 145 .reset_resume = mt76x2u_resume, 146 #endif /* CONFIG_PM */ 147 .soft_unbind = 1, 148 .disable_hub_initiated_lpm = 1, 149 }; 150 module_usb_driver(mt76x2u_driver); 151 152 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>"); 153 MODULE_LICENSE("Dual BSD/GPL"); 154