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