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path: root/drivers/net/wireless/mediatek/mt76/mt76x2_usb.c
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Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x2_usb.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt76x2_usb.c142
1 files changed, 142 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 000000000000..1428cfdee579
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_usb.c
@@ -0,0 +1,142 @@
+/*
+ * 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)
+ return err;
+
+ err = mt76u_submit_rx_buffers(&dev->mt76);
+ if (err < 0)
+ return err;
+
+ tasklet_enable(&usb->rx_tasklet);
+ tasklet_enable(&usb->tx_tasklet);
+
+ return mt76x2u_init_hardware(dev);
+}
+
+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,
+ .disable_hub_initiated_lpm = 1,
+};
+module_usb_driver(mt76x2u_driver);
+
+MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
+MODULE_LICENSE("Dual BSD/GPL");