net/usb: add relative mii functions for r815x
Base on cdc_ether, add the mii functions for RTL8152 and RTL8153. The RTL8152 and RTL8153 support ECM mode which use the driver of cdc_ether. Add the mii functions. Then, the basic PHY access is possible. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
hayeswang
David S. Miller
parent
d77e41e127
commit
c073f666ff
|
|
@ -11,7 +11,7 @@ obj-$(CONFIG_USB_HSO) += hso.o
|
|||
obj-$(CONFIG_USB_NET_AX8817X) += asix.o
|
||||
asix-y := asix_devices.o asix_common.o ax88172a.o
|
||||
obj-$(CONFIG_USB_NET_AX88179_178A) += ax88179_178a.o
|
||||
obj-$(CONFIG_USB_NET_CDCETHER) += cdc_ether.o
|
||||
obj-$(CONFIG_USB_NET_CDCETHER) += cdc_ether.o r815x.o
|
||||
obj-$(CONFIG_USB_NET_CDC_EEM) += cdc_eem.o
|
||||
obj-$(CONFIG_USB_NET_DM9601) += dm9601.o
|
||||
obj-$(CONFIG_USB_NET_SMSC75XX) += smsc75xx.o
|
||||
|
|
|
|||
|
|
@ -646,13 +646,18 @@ static const struct usb_device_id products [] = {
|
|||
},
|
||||
|
||||
/* Realtek RTL8152 Based USB 2.0 Ethernet Adapters */
|
||||
#if defined(CONFIG_USB_RTL8152) || defined(CONFIG_USB_RTL8152_MODULE)
|
||||
{
|
||||
USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM,
|
||||
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
|
||||
.driver_info = 0,
|
||||
},
|
||||
#endif
|
||||
|
||||
/* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */
|
||||
{
|
||||
USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM,
|
||||
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
|
||||
.driver_info = 0,
|
||||
},
|
||||
|
||||
/*
|
||||
* WHITELIST!!!
|
||||
|
|
|
|||
|
|
@ -0,0 +1,231 @@
|
|||
#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>
|
||||
|
||||
#define RTL815x_REQT_READ 0xc0
|
||||
#define RTL815x_REQT_WRITE 0x40
|
||||
#define RTL815x_REQ_GET_REGS 0x05
|
||||
#define RTL815x_REQ_SET_REGS 0x05
|
||||
|
||||
#define MCU_TYPE_PLA 0x0100
|
||||
#define OCP_BASE 0xe86c
|
||||
#define BASE_MII 0xa400
|
||||
|
||||
#define BYTE_EN_DWORD 0xff
|
||||
#define BYTE_EN_WORD 0x33
|
||||
#define BYTE_EN_BYTE 0x11
|
||||
|
||||
#define R815x_PHY_ID 32
|
||||
#define REALTEK_VENDOR_ID 0x0bda
|
||||
|
||||
|
||||
static int pla_read_word(struct usb_device *udev, u16 index)
|
||||
{
|
||||
int data, ret;
|
||||
u8 shift = index & 2;
|
||||
|
||||
index &= ~3;
|
||||
|
||||
ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
|
||||
RTL815x_REQ_GET_REGS, RTL815x_REQT_READ,
|
||||
index, MCU_TYPE_PLA, &data, sizeof(data), 500);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
data = __le32_to_cpu(data);
|
||||
data >>= (shift * 8);
|
||||
data &= 0xffff;
|
||||
|
||||
return data;
|
||||
}
|
||||
|
||||
static int pla_write_word(struct usb_device *udev, u16 index, u32 data)
|
||||
{
|
||||
u32 tmp, mask = 0xffff;
|
||||
u16 byen = BYTE_EN_WORD;
|
||||
u8 shift = index & 2;
|
||||
int ret;
|
||||
|
||||
data &= mask;
|
||||
|
||||
if (shift) {
|
||||
byen <<= shift;
|
||||
mask <<= (shift * 8);
|
||||
data <<= (shift * 8);
|
||||
index &= ~3;
|
||||
}
|
||||
|
||||
ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
|
||||
RTL815x_REQ_GET_REGS, RTL815x_REQT_READ,
|
||||
index, MCU_TYPE_PLA, &tmp, sizeof(tmp), 500);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
tmp = __le32_to_cpu(tmp) & ~mask;
|
||||
tmp |= data;
|
||||
tmp = __cpu_to_le32(tmp);
|
||||
|
||||
ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
|
||||
RTL815x_REQ_SET_REGS, RTL815x_REQT_WRITE,
|
||||
index, MCU_TYPE_PLA | byen, &tmp,
|
||||
sizeof(tmp), 500);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int ocp_reg_read(struct usbnet *dev, u16 addr)
|
||||
{
|
||||
u16 ocp_base, ocp_index;
|
||||
int ret;
|
||||
|
||||
ocp_base = addr & 0xf000;
|
||||
ret = pla_write_word(dev->udev, OCP_BASE, ocp_base);
|
||||
if (ret < 0)
|
||||
goto out;
|
||||
|
||||
ocp_index = (addr & 0x0fff) | 0xb000;
|
||||
ret = pla_read_word(dev->udev, ocp_index);
|
||||
|
||||
out:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int ocp_reg_write(struct usbnet *dev, u16 addr, u16 data)
|
||||
{
|
||||
u16 ocp_base, ocp_index;
|
||||
int ret;
|
||||
|
||||
ocp_base = addr & 0xf000;
|
||||
ret = pla_write_word(dev->udev, OCP_BASE, ocp_base);
|
||||
if (ret < 0)
|
||||
goto out1;
|
||||
|
||||
ocp_index = (addr & 0x0fff) | 0xb000;
|
||||
ret = pla_write_word(dev->udev, ocp_index, data);
|
||||
|
||||
out1:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int r815x_mdio_read(struct net_device *netdev, int phy_id, int reg)
|
||||
{
|
||||
struct usbnet *dev = netdev_priv(netdev);
|
||||
|
||||
if (phy_id != R815x_PHY_ID)
|
||||
return -EINVAL;
|
||||
|
||||
return ocp_reg_read(dev, BASE_MII + reg * 2);
|
||||
}
|
||||
|
||||
static
|
||||
void r815x_mdio_write(struct net_device *netdev, int phy_id, int reg, int val)
|
||||
{
|
||||
struct usbnet *dev = netdev_priv(netdev);
|
||||
|
||||
if (phy_id != R815x_PHY_ID)
|
||||
return;
|
||||
|
||||
ocp_reg_write(dev, BASE_MII + reg * 2, val);
|
||||
}
|
||||
|
||||
static int r8153_bind(struct usbnet *dev, struct usb_interface *intf)
|
||||
{
|
||||
int status;
|
||||
|
||||
status = usbnet_cdc_bind(dev, intf);
|
||||
if (status < 0)
|
||||
return status;
|
||||
|
||||
dev->mii.dev = dev->net;
|
||||
dev->mii.mdio_read = r815x_mdio_read;
|
||||
dev->mii.mdio_write = r815x_mdio_write;
|
||||
dev->mii.phy_id_mask = 0x3f;
|
||||
dev->mii.reg_num_mask = 0x1f;
|
||||
dev->mii.phy_id = R815x_PHY_ID;
|
||||
dev->mii.supports_gmii = 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int r8152_bind(struct usbnet *dev, struct usb_interface *intf)
|
||||
{
|
||||
int status;
|
||||
|
||||
status = usbnet_cdc_bind(dev, intf);
|
||||
if (status < 0)
|
||||
return status;
|
||||
|
||||
dev->mii.dev = dev->net;
|
||||
dev->mii.mdio_read = r815x_mdio_read;
|
||||
dev->mii.mdio_write = r815x_mdio_write;
|
||||
dev->mii.phy_id_mask = 0x3f;
|
||||
dev->mii.reg_num_mask = 0x1f;
|
||||
dev->mii.phy_id = R815x_PHY_ID;
|
||||
dev->mii.supports_gmii = 0;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct driver_info r8152_info = {
|
||||
.description = "RTL8152 ECM Device",
|
||||
.flags = FLAG_ETHER | FLAG_POINTTOPOINT,
|
||||
.bind = r8152_bind,
|
||||
.unbind = usbnet_cdc_unbind,
|
||||
.status = usbnet_cdc_status,
|
||||
.manage_power = usbnet_manage_power,
|
||||
};
|
||||
|
||||
static const struct driver_info r8153_info = {
|
||||
.description = "RTL8153 ECM Device",
|
||||
.flags = FLAG_ETHER | FLAG_POINTTOPOINT,
|
||||
.bind = r8153_bind,
|
||||
.unbind = usbnet_cdc_unbind,
|
||||
.status = usbnet_cdc_status,
|
||||
.manage_power = usbnet_manage_power,
|
||||
};
|
||||
|
||||
static const struct usb_device_id products[] = {
|
||||
{
|
||||
USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM,
|
||||
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
|
||||
#if defined(CONFIG_USB_RTL8152) || defined(CONFIG_USB_RTL8152_MODULE)
|
||||
.driver_info = 0,
|
||||
#else
|
||||
.driver_info = (unsigned long) &r8152_info,
|
||||
#endif
|
||||
},
|
||||
|
||||
{
|
||||
USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM,
|
||||
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
|
||||
#if defined(CONFIG_USB_RTL8153) || defined(CONFIG_USB_RTL8153_MODULE)
|
||||
.driver_info = 0,
|
||||
#else
|
||||
.driver_info = (unsigned long) &r8153_info,
|
||||
#endif
|
||||
},
|
||||
|
||||
{ }, /* END */
|
||||
};
|
||||
MODULE_DEVICE_TABLE(usb, products);
|
||||
|
||||
static struct usb_driver r815x_driver = {
|
||||
.name = "r815x",
|
||||
.id_table = products,
|
||||
.probe = usbnet_probe,
|
||||
.disconnect = usbnet_disconnect,
|
||||
.suspend = usbnet_suspend,
|
||||
.resume = usbnet_resume,
|
||||
.reset_resume = usbnet_resume,
|
||||
.supports_autosuspend = 1,
|
||||
.disable_hub_initiated_lpm = 1,
|
||||
};
|
||||
|
||||
module_usb_driver(r815x_driver);
|
||||
|
||||
MODULE_AUTHOR("Hayes Wang");
|
||||
MODULE_DESCRIPTION("Realtek USB ECM device");
|
||||
MODULE_LICENSE("GPL");
|
||||
Loading…
Reference in New Issue