linux-zen-server/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c

151 lines
3.7 KiB
C

// SPDX-License-Identifier: ISC
/*
* Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include "../mt76x02_usb.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 USBAC1200 - Alfa AWUS036ACM */
{ USB_DEVICE(0x057c, 0x8503) }, /* Avm FRITZ!WLAN AC860 */
{ USB_DEVICE(0x7392, 0xb711) }, /* Edimax EW 7722 UAC */
{ USB_DEVICE(0x0e8d, 0x7632) }, /* HC-M7662BU1 */
{ USB_DEVICE(0x2c4e, 0x0103) }, /* Mercury UD13 */
{ USB_DEVICE(0x0846, 0x9053) }, /* Netgear A6210 */
{ USB_DEVICE(0x045e, 0x02e6) }, /* XBox One Wireless Adapter */
{ USB_DEVICE(0x045e, 0x02fe) }, /* XBox One Wireless Adapter */
{ },
};
static int mt76x2u_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
static const struct mt76_driver_ops drv_ops = {
.drv_flags = MT_DRV_SW_RX_AIRTIME,
.survey_flags = SURVEY_INFO_TIME_TX,
.update_survey = mt76x02_update_channel,
.tx_prepare_skb = mt76x02u_tx_prepare_skb,
.tx_complete_skb = mt76x02u_tx_complete_skb,
.tx_status_data = mt76x02_tx_status_data,
.rx_skb = mt76x02_queue_rx_skb,
.sta_ps = mt76x02_sta_ps,
.sta_add = mt76x02_sta_add,
.sta_remove = mt76x02_sta_remove,
};
struct usb_device *udev = interface_to_usbdev(intf);
struct mt76x02_dev *dev;
struct mt76_dev *mdev;
int err;
mdev = mt76_alloc_device(&intf->dev, sizeof(*dev), &mt76x2u_ops,
&drv_ops);
if (!mdev)
return -ENOMEM;
dev = container_of(mdev, struct mt76x02_dev, mt76);
udev = usb_get_dev(udev);
usb_reset_device(udev);
usb_set_intfdata(intf, dev);
mt76x02u_init_mcu(mdev);
err = mt76u_init(mdev, intf);
if (err < 0)
goto err;
mdev->rev = mt76_rr(dev, MT_ASIC_VERSION);
dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev);
if (!is_mt76x2(dev)) {
err = -ENODEV;
goto err;
}
err = mt76x2u_register_device(dev);
if (err < 0)
goto err;
return 0;
err:
mt76u_queues_deinit(&dev->mt76);
mt76_free_device(&dev->mt76);
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 mt76x02_dev *dev = usb_get_intfdata(intf);
struct ieee80211_hw *hw = mt76_hw(dev);
set_bit(MT76_REMOVED, &dev->mphy.state);
ieee80211_unregister_hw(hw);
mt76x2u_cleanup(dev);
mt76_free_device(&dev->mt76);
usb_set_intfdata(intf, NULL);
usb_put_dev(udev);
}
static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf,
pm_message_t state)
{
struct mt76x02_dev *dev = usb_get_intfdata(intf);
mt76u_stop_rx(&dev->mt76);
return 0;
}
static int __maybe_unused mt76x2u_resume(struct usb_interface *intf)
{
struct mt76x02_dev *dev = usb_get_intfdata(intf);
int err;
err = mt76u_resume_rx(&dev->mt76);
if (err < 0)
goto err;
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(MT7662_FIRMWARE);
MODULE_FIRMWARE(MT7662_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,
.disable_hub_initiated_lpm = 1,
};
module_usb_driver(mt76x2u_driver);
MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
MODULE_LICENSE("Dual BSD/GPL");