// SPDX-License-Identifier: GPL-2.0-or-later /* Aquantia Corp. Aquantia AQtion USB to 5GbE Controller * Copyright (C) 2003-2005 David Hollis <dhollis@davehollis.com> * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net> * Copyright (C) 2002-2003 TiVo Inc. * Copyright (C) 2017-2018 ASIX * Copyright (C) 2018 Aquantia Corp. */ #include <linux/module.h> #include <linux/netdevice.h> #include <linux/mii.h> #include <linux/usb.h> #include <linux/usb/cdc.h> #include <linux/usb/usbnet.h> #include "aqc111.h" static int aqc111_read_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value, u16 index, u16 size, void *data) { int ret; ret = usbnet_read_cmd_nopm(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, data, size); if (unlikely(ret < 0)) netdev_warn(dev->net, "Failed to read(0x%x) reg index 0x%04x: %d\n", cmd, index, ret); return ret; } static int aqc111_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, u16 size, void *data) { int ret; ret = usbnet_read_cmd(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, data, size); if (unlikely(ret < 0)) netdev_warn(dev->net, "Failed to read(0x%x) reg index 0x%04x: %d\n", cmd, index, ret); return ret; } static int __aqc111_write_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, u16 value, u16 index, u16 size, const void *data) { int err = -ENOMEM; void *buf = NULL; netdev_dbg(dev->net, "%s cmd=%#x reqtype=%#x value=%#x index=%#x size=%d\n", __func__, cmd, reqtype, value, index, size); if (data) { buf = kmemdup(data, size, GFP_KERNEL); if (!buf) goto out; } err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), cmd, reqtype, value, index, buf, size, (cmd == AQ_PHY_POWER) ? AQ_USB_PHY_SET_TIMEOUT : AQ_USB_SET_TIMEOUT); if (unlikely(err < 0)) netdev_warn(dev->net, "Failed to write(0x%x) reg index 0x%04x: %d\n", cmd, index, err); kfree(buf); out: return err; } static int aqc111_write_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value, u16 index, u16 size, void *data) { int ret; ret = __aqc111_write_cmd(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, size, data); return ret; } static int aqc111_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, u16 size, void *data) { int ret; if (usb_autopm_get_interface(dev->intf) < 0) return -ENODEV; ret = __aqc111_write_cmd(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, size, data); usb_autopm_put_interface(dev->intf); return ret; } static const struct net_device_ops aqc111_netdev_ops = { .ndo_open = usbnet_open, .ndo_stop = usbnet_stop, }; static int aqc111_bind(struct usbnet *dev, struct usb_interface *intf) { struct usb_device *udev = interface_to_usbdev(intf); int ret; /* Check if vendor configuration */ if (udev->actconfig->desc.bConfigurationValue != 1) { usb_driver_set_configuration(udev, 1); return -ENODEV; } usb_reset_configuration(dev->udev); ret = usbnet_get_endpoints(dev, intf); if (ret < 0) { netdev_dbg(dev->net, "usbnet_get_endpoints failed"); return ret; } dev->net->netdev_ops = &aqc111_netdev_ops; return 0; } static void aqc111_unbind(struct usbnet *dev, struct usb_interface *intf) { } static const struct driver_info aqc111_info = { .description = "Aquantia AQtion USB to 5GbE Controller", .bind = aqc111_bind, .unbind = aqc111_unbind, }; #define AQC111_USB_ETH_DEV(vid, pid, table) \ USB_DEVICE_INTERFACE_CLASS((vid), (pid), USB_CLASS_VENDOR_SPEC), \ .driver_info = (unsigned long)&(table) \ }, \ { \ USB_DEVICE_AND_INTERFACE_INFO((vid), (pid), \ USB_CLASS_COMM, \ USB_CDC_SUBCLASS_ETHERNET, \ USB_CDC_PROTO_NONE), \ .driver_info = (unsigned long)&(table), static const struct usb_device_id products[] = { {AQC111_USB_ETH_DEV(0x2eca, 0xc101, aqc111_info)}, { },/* END */ }; MODULE_DEVICE_TABLE(usb, products); static struct usb_driver aq_driver = { .name = "aqc111", .id_table = products, .probe = usbnet_probe, .disconnect = usbnet_disconnect, }; module_usb_driver(aq_driver); MODULE_DESCRIPTION("Aquantia AQtion USB to 5/2.5GbE Controllers"); MODULE_LICENSE("GPL");