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// 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");
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