diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x2_usb.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2_usb.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_usb.c b/drivers/net/wireless/mediatek/mt76/mt76x2_usb.c new file mode 100644 index 0000000..6f2dd1a --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_usb.c @@ -0,0 +1,152 @@ +/* + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <linux/kernel.h> +#include <linux/module.h> + +#include "mt76x2u.h" + +static const struct usb_device_id mt76x2u_device_table[] = { + { USB_DEVICE(0x0b05, 0x1833) }, /* Asus USB-AC54 */ + { USB_DEVICE(0x0b05, 0x17eb) }, /* Asus USB-AC55 */ + { USB_DEVICE(0x0b05, 0x180b) }, /* Asus USB-N53 B1 */ + { USB_DEVICE(0x0e8d, 0x7612) }, /* Aukey USB-AC1200 */ + { USB_DEVICE(0x057c, 0x8503) }, /* Avm FRITZ!WLAN AC860 */ + { USB_DEVICE(0x7392, 0xb711) }, /* Edimax EW 7722 UAC */ + { USB_DEVICE(0x0846, 0x9053) }, /* Netgear A6210 */ + { USB_DEVICE(0x045e, 0x02e6) }, /* XBox One Wireless Adapter */ + { }, +}; + +static int mt76x2u_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_device *udev = interface_to_usbdev(intf); + struct mt76x2_dev *dev; + int err; + + dev = mt76x2u_alloc_device(&intf->dev); + if (!dev) + return -ENOMEM; + + udev = usb_get_dev(udev); + usb_reset_device(udev); + + err = mt76u_init(&dev->mt76, intf); + if (err < 0) + goto err; + + dev->mt76.rev = mt76_rr(dev, MT_ASIC_VERSION); + dev_info(dev->mt76.dev, "ASIC revision: %08x\n", dev->mt76.rev); + + err = mt76x2u_register_device(dev); + if (err < 0) + goto err; + + return 0; + +err: + ieee80211_free_hw(mt76_hw(dev)); + usb_set_intfdata(intf, NULL); + usb_put_dev(udev); + + return err; +} + +static void mt76x2u_disconnect(struct usb_interface *intf) +{ + struct usb_device *udev = interface_to_usbdev(intf); + struct mt76x2_dev *dev = usb_get_intfdata(intf); + struct ieee80211_hw *hw = mt76_hw(dev); + + set_bit(MT76_REMOVED, &dev->mt76.state); + ieee80211_unregister_hw(hw); + mt76x2u_cleanup(dev); + + ieee80211_free_hw(hw); + usb_set_intfdata(intf, NULL); + usb_put_dev(udev); +} + +static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf, + pm_message_t state) +{ + struct mt76x2_dev *dev = usb_get_intfdata(intf); + struct mt76_usb *usb = &dev->mt76.usb; + + mt76u_stop_queues(&dev->mt76); + mt76x2u_stop_hw(dev); + usb_kill_urb(usb->mcu.res.urb); + + return 0; +} + +static int __maybe_unused mt76x2u_resume(struct usb_interface *intf) +{ + struct mt76x2_dev *dev = usb_get_intfdata(intf); + struct mt76_usb *usb = &dev->mt76.usb; + int err; + + reinit_completion(&usb->mcu.cmpl); + err = mt76u_submit_buf(&dev->mt76, USB_DIR_IN, + MT_EP_IN_CMD_RESP, + &usb->mcu.res, GFP_KERNEL, + mt76u_mcu_complete_urb, + &usb->mcu.cmpl); + if (err < 0) + goto err; + + err = mt76u_submit_rx_buffers(&dev->mt76); + if (err < 0) + goto err; + + tasklet_enable(&usb->rx_tasklet); + tasklet_enable(&usb->tx_tasklet); + + err = mt76x2u_init_hardware(dev); + if (err < 0) + goto err; + + return 0; + +err: + mt76x2u_cleanup(dev); + return err; +} + +MODULE_DEVICE_TABLE(usb, mt76x2u_device_table); +MODULE_FIRMWARE(MT7662U_FIRMWARE); +MODULE_FIRMWARE(MT7662U_ROM_PATCH); + +static struct usb_driver mt76x2u_driver = { + .name = KBUILD_MODNAME, + .id_table = mt76x2u_device_table, + .probe = mt76x2u_probe, + .disconnect = mt76x2u_disconnect, +#ifdef CONFIG_PM + .suspend = mt76x2u_suspend, + .resume = mt76x2u_resume, + .reset_resume = mt76x2u_resume, +#endif /* CONFIG_PM */ + .soft_unbind = 1, +#if LINUX_VERSION_IS_GEQ(3,5,0) + .disable_hub_initiated_lpm = 1, +#endif +}; +module_usb_driver(mt76x2u_driver); + +MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>"); +MODULE_LICENSE("Dual BSD/GPL"); |