drivers/net/wireless/mediatek/mt76/mt76x2/usb.c

   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");