LXR linux/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
  12static 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
  27static 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
  77err:
  78        mt76_free_device(&dev->mt76);
  79        usb_set_intfdata(intf, NULL);
  80        usb_put_dev(udev);
  81
  82        return err;
  83}
  84
  85static void mt76x2u_disconnect(struct usb_interface *intf)
  86{
  87        struct usb_device *udev = interface_to_usbdev(intf);
  88        struct mt76x02_dev *dev = usb_get_intfdata(intf);
  89        struct ieee80211_hw *hw = mt76_hw(dev);
  90
  91        set_bit(MT76_REMOVED, &dev->mphy.state);
  92        ieee80211_unregister_hw(hw);
  93        mt76x2u_cleanup(dev);
  94        mt76_free_device(&dev->mt76);
  95        usb_set_intfdata(intf, NULL);
  96        usb_put_dev(udev);
  97}
  98
  99static 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_rx(&dev->mt76);
 105
 106        return 0;
 107}
 108
 109static int __maybe_unused mt76x2u_resume(struct usb_interface *intf)
 110{
 111        struct mt76x02_dev *dev = usb_get_intfdata(intf);
 112        int err;
 113
 114        err = mt76u_resume_rx(&dev->mt76);
 115        if (err < 0)
 116                goto err;
 117
 118        err = mt76x2u_init_hardware(dev);
 119        if (err < 0)
 120                goto err;
 121
 122        return 0;
 123
 124err:
 125        mt76x2u_cleanup(dev);
 126        return err;
 127}
 128
 129MODULE_DEVICE_TABLE(usb, mt76x2u_device_table);
 130MODULE_FIRMWARE(MT7662_FIRMWARE);
 131MODULE_FIRMWARE(MT7662_ROM_PATCH);
 132
 133static struct usb_driver mt76x2u_driver = {
 134        .name           = KBUILD_MODNAME,
 135        .id_table       = mt76x2u_device_table,
 136        .probe          = mt76x2u_probe,
 137        .disconnect     = mt76x2u_disconnect,
 138#ifdef CONFIG_PM
 139        .suspend        = mt76x2u_suspend,
 140        .resume         = mt76x2u_resume,
 141        .reset_resume   = mt76x2u_resume,
 142#endif /* CONFIG_PM */
 143        .soft_unbind    = 1,
 144        .disable_hub_initiated_lpm = 1,
 145};
 146module_usb_driver(mt76x2u_driver);
 147
 148MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
 149MODULE_LICENSE("Dual BSD/GPL");
 150