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ee676cd501
MT76x2u is a 2x2 USB 802.11ac chipset by MediaTek. This driver currently support station mode Tested-by: <cug_yangyuancong@hotmail.com> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
143 lines
3.9 KiB
C
143 lines
3.9 KiB
C
/*
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* Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include "mt76x2u.h"
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static const struct usb_device_id mt76x2u_device_table[] = {
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{ USB_DEVICE(0x0b05, 0x1833) }, /* Asus USB-AC54 */
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{ USB_DEVICE(0x0b05, 0x17eb) }, /* Asus USB-AC55 */
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{ USB_DEVICE(0x0b05, 0x180b) }, /* Asus USB-N53 B1 */
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{ USB_DEVICE(0x0e8d, 0x7612) }, /* Aukey USB-AC1200 */
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{ USB_DEVICE(0x057c, 0x8503) }, /* Avm FRITZ!WLAN AC860 */
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{ USB_DEVICE(0x7392, 0xb711) }, /* Edimax EW 7722 UAC */
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{ USB_DEVICE(0x0846, 0x9053) }, /* Netgear A6210 */
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{ USB_DEVICE(0x045e, 0x02e6) }, /* XBox One Wireless Adapter */
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{ },
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};
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static int mt76x2u_probe(struct usb_interface *intf,
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const struct usb_device_id *id)
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{
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struct usb_device *udev = interface_to_usbdev(intf);
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struct mt76x2_dev *dev;
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int err;
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dev = mt76x2u_alloc_device(&intf->dev);
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if (!dev)
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return -ENOMEM;
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udev = usb_get_dev(udev);
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usb_reset_device(udev);
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err = mt76u_init(&dev->mt76, intf);
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if (err < 0)
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goto err;
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dev->mt76.rev = mt76_rr(dev, MT_ASIC_VERSION);
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dev_info(dev->mt76.dev, "ASIC revision: %08x\n", dev->mt76.rev);
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err = mt76x2u_register_device(dev);
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if (err < 0)
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goto err;
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return 0;
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err:
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ieee80211_free_hw(mt76_hw(dev));
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usb_set_intfdata(intf, NULL);
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usb_put_dev(udev);
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return err;
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}
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static void mt76x2u_disconnect(struct usb_interface *intf)
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{
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struct usb_device *udev = interface_to_usbdev(intf);
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struct mt76x2_dev *dev = usb_get_intfdata(intf);
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struct ieee80211_hw *hw = mt76_hw(dev);
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set_bit(MT76_REMOVED, &dev->mt76.state);
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ieee80211_unregister_hw(hw);
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mt76x2u_cleanup(dev);
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ieee80211_free_hw(hw);
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usb_set_intfdata(intf, NULL);
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usb_put_dev(udev);
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}
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static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf,
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pm_message_t state)
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{
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struct mt76x2_dev *dev = usb_get_intfdata(intf);
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struct mt76_usb *usb = &dev->mt76.usb;
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mt76u_stop_queues(&dev->mt76);
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mt76x2u_stop_hw(dev);
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usb_kill_urb(usb->mcu.res.urb);
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return 0;
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}
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static int __maybe_unused mt76x2u_resume(struct usb_interface *intf)
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{
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struct mt76x2_dev *dev = usb_get_intfdata(intf);
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struct mt76_usb *usb = &dev->mt76.usb;
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int err;
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reinit_completion(&usb->mcu.cmpl);
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err = mt76u_submit_buf(&dev->mt76, USB_DIR_IN,
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MT_EP_IN_CMD_RESP,
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&usb->mcu.res, GFP_KERNEL,
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mt76u_mcu_complete_urb,
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&usb->mcu.cmpl);
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if (err < 0)
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return err;
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err = mt76u_submit_rx_buffers(&dev->mt76);
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if (err < 0)
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return err;
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tasklet_enable(&usb->rx_tasklet);
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tasklet_enable(&usb->tx_tasklet);
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return mt76x2u_init_hardware(dev);
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}
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MODULE_DEVICE_TABLE(usb, mt76x2u_device_table);
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MODULE_FIRMWARE(MT7662U_FIRMWARE);
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MODULE_FIRMWARE(MT7662U_ROM_PATCH);
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static struct usb_driver mt76x2u_driver = {
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.name = KBUILD_MODNAME,
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.id_table = mt76x2u_device_table,
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.probe = mt76x2u_probe,
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.disconnect = mt76x2u_disconnect,
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#ifdef CONFIG_PM
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.suspend = mt76x2u_suspend,
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.resume = mt76x2u_resume,
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.reset_resume = mt76x2u_resume,
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#endif /* CONFIG_PM */
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.soft_unbind = 1,
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.disable_hub_initiated_lpm = 1,
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};
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module_usb_driver(mt76x2u_driver);
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MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
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MODULE_LICENSE("Dual BSD/GPL");
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