|  | /* | 
|  | * ASIX AX8817X based USB 2.0 Ethernet Devices | 
|  | * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com> | 
|  | * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net> | 
|  | * Copyright (C) 2006 James Painter <jamie.painter@iname.com> | 
|  | * Copyright (c) 2002-2003 TiVo Inc. | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License as published by | 
|  | * the Free Software Foundation; either version 2 of the License, or | 
|  | * (at your option) any later version. | 
|  | * | 
|  | * This program is distributed in the hope that it will be useful, | 
|  | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | * GNU General Public License for more details. | 
|  | * | 
|  | * You should have received a copy of the GNU General Public License | 
|  | * along with this program; if not, write to the Free Software | 
|  | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA | 
|  | */ | 
|  |  | 
|  | // #define	DEBUG			// error path messages, extra info | 
|  | // #define	VERBOSE			// more; success messages | 
|  |  | 
|  | #include <linux/module.h> | 
|  | #include <linux/kmod.h> | 
|  | #include <linux/sched.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/netdevice.h> | 
|  | #include <linux/etherdevice.h> | 
|  | #include <linux/ethtool.h> | 
|  | #include <linux/workqueue.h> | 
|  | #include <linux/mii.h> | 
|  | #include <linux/usb.h> | 
|  | #include <linux/crc32.h> | 
|  |  | 
|  | #include "usbnet.h" | 
|  |  | 
|  | #define DRIVER_VERSION "14-Jun-2006" | 
|  | static const char driver_name [] = "asix"; | 
|  |  | 
|  | /* ASIX AX8817X based USB 2.0 Ethernet Devices */ | 
|  |  | 
|  | #define AX_CMD_SET_SW_MII		0x06 | 
|  | #define AX_CMD_READ_MII_REG		0x07 | 
|  | #define AX_CMD_WRITE_MII_REG		0x08 | 
|  | #define AX_CMD_SET_HW_MII		0x0a | 
|  | #define AX_CMD_READ_EEPROM		0x0b | 
|  | #define AX_CMD_WRITE_EEPROM		0x0c | 
|  | #define AX_CMD_WRITE_ENABLE		0x0d | 
|  | #define AX_CMD_WRITE_DISABLE		0x0e | 
|  | #define AX_CMD_READ_RX_CTL		0x0f | 
|  | #define AX_CMD_WRITE_RX_CTL		0x10 | 
|  | #define AX_CMD_READ_IPG012		0x11 | 
|  | #define AX_CMD_WRITE_IPG0		0x12 | 
|  | #define AX_CMD_WRITE_IPG1		0x13 | 
|  | #define AX_CMD_READ_NODE_ID		0x13 | 
|  | #define AX_CMD_WRITE_IPG2		0x14 | 
|  | #define AX_CMD_WRITE_MULTI_FILTER	0x16 | 
|  | #define AX88172_CMD_READ_NODE_ID	0x17 | 
|  | #define AX_CMD_READ_PHY_ID		0x19 | 
|  | #define AX_CMD_READ_MEDIUM_STATUS	0x1a | 
|  | #define AX_CMD_WRITE_MEDIUM_MODE	0x1b | 
|  | #define AX_CMD_READ_MONITOR_MODE	0x1c | 
|  | #define AX_CMD_WRITE_MONITOR_MODE	0x1d | 
|  | #define AX_CMD_READ_GPIOS		0x1e | 
|  | #define AX_CMD_WRITE_GPIOS		0x1f | 
|  | #define AX_CMD_SW_RESET			0x20 | 
|  | #define AX_CMD_SW_PHY_STATUS		0x21 | 
|  | #define AX_CMD_SW_PHY_SELECT		0x22 | 
|  |  | 
|  | #define AX_MONITOR_MODE			0x01 | 
|  | #define AX_MONITOR_LINK			0x02 | 
|  | #define AX_MONITOR_MAGIC		0x04 | 
|  | #define AX_MONITOR_HSFS			0x10 | 
|  |  | 
|  | /* AX88172 Medium Status Register values */ | 
|  | #define AX88172_MEDIUM_FD		0x02 | 
|  | #define AX88172_MEDIUM_TX		0x04 | 
|  | #define AX88172_MEDIUM_FC		0x10 | 
|  | #define AX88172_MEDIUM_DEFAULT \ | 
|  | ( AX88172_MEDIUM_FD | AX88172_MEDIUM_TX | AX88172_MEDIUM_FC ) | 
|  |  | 
|  | #define AX_MCAST_FILTER_SIZE		8 | 
|  | #define AX_MAX_MCAST			64 | 
|  |  | 
|  | #define AX_SWRESET_CLEAR		0x00 | 
|  | #define AX_SWRESET_RR			0x01 | 
|  | #define AX_SWRESET_RT			0x02 | 
|  | #define AX_SWRESET_PRTE			0x04 | 
|  | #define AX_SWRESET_PRL			0x08 | 
|  | #define AX_SWRESET_BZ			0x10 | 
|  | #define AX_SWRESET_IPRL			0x20 | 
|  | #define AX_SWRESET_IPPD			0x40 | 
|  |  | 
|  | #define AX88772_IPG0_DEFAULT		0x15 | 
|  | #define AX88772_IPG1_DEFAULT		0x0c | 
|  | #define AX88772_IPG2_DEFAULT		0x12 | 
|  |  | 
|  | /* AX88772 & AX88178 Medium Mode Register */ | 
|  | #define AX_MEDIUM_PF		0x0080 | 
|  | #define AX_MEDIUM_JFE		0x0040 | 
|  | #define AX_MEDIUM_TFC		0x0020 | 
|  | #define AX_MEDIUM_RFC		0x0010 | 
|  | #define AX_MEDIUM_ENCK		0x0008 | 
|  | #define AX_MEDIUM_AC		0x0004 | 
|  | #define AX_MEDIUM_FD		0x0002 | 
|  | #define AX_MEDIUM_GM		0x0001 | 
|  | #define AX_MEDIUM_SM		0x1000 | 
|  | #define AX_MEDIUM_SBP		0x0800 | 
|  | #define AX_MEDIUM_PS		0x0200 | 
|  | #define AX_MEDIUM_RE		0x0100 | 
|  |  | 
|  | #define AX88178_MEDIUM_DEFAULT	\ | 
|  | (AX_MEDIUM_PS | AX_MEDIUM_FD | AX_MEDIUM_AC | \ | 
|  | AX_MEDIUM_RFC | AX_MEDIUM_TFC | AX_MEDIUM_JFE | \ | 
|  | AX_MEDIUM_RE ) | 
|  |  | 
|  | #define AX88772_MEDIUM_DEFAULT	\ | 
|  | (AX_MEDIUM_FD | AX_MEDIUM_RFC | \ | 
|  | AX_MEDIUM_TFC | AX_MEDIUM_PS | \ | 
|  | AX_MEDIUM_AC | AX_MEDIUM_RE ) | 
|  |  | 
|  | /* AX88772 & AX88178 RX_CTL values */ | 
|  | #define AX_RX_CTL_SO			0x0080 | 
|  | #define AX_RX_CTL_AP			0x0020 | 
|  | #define AX_RX_CTL_AM			0x0010 | 
|  | #define AX_RX_CTL_AB			0x0008 | 
|  | #define AX_RX_CTL_SEP			0x0004 | 
|  | #define AX_RX_CTL_AMALL			0x0002 | 
|  | #define AX_RX_CTL_PRO			0x0001 | 
|  | #define AX_RX_CTL_MFB_2048		0x0000 | 
|  | #define AX_RX_CTL_MFB_4096		0x0100 | 
|  | #define AX_RX_CTL_MFB_8192		0x0200 | 
|  | #define AX_RX_CTL_MFB_16384		0x0300 | 
|  |  | 
|  | #define AX_DEFAULT_RX_CTL	\ | 
|  | (AX_RX_CTL_SO | AX_RX_CTL_AB ) | 
|  |  | 
|  | /* GPIO 0 .. 2 toggles */ | 
|  | #define AX_GPIO_GPO0EN		0x01	/* GPIO0 Output enable */ | 
|  | #define AX_GPIO_GPO_0		0x02	/* GPIO0 Output value */ | 
|  | #define AX_GPIO_GPO1EN		0x04	/* GPIO1 Output enable */ | 
|  | #define AX_GPIO_GPO_1		0x08	/* GPIO1 Output value */ | 
|  | #define AX_GPIO_GPO2EN		0x10	/* GPIO2 Output enable */ | 
|  | #define AX_GPIO_GPO_2		0x20	/* GPIO2 Output value */ | 
|  | #define AX_GPIO_RESERVED	0x40	/* Reserved */ | 
|  | #define AX_GPIO_RSE		0x80	/* Reload serial EEPROM */ | 
|  |  | 
|  | #define AX_EEPROM_MAGIC		0xdeadbeef | 
|  | #define AX88172_EEPROM_LEN	0x40 | 
|  | #define AX88772_EEPROM_LEN	0xff | 
|  |  | 
|  | #define PHY_MODE_MARVELL	0x0000 | 
|  | #define MII_MARVELL_LED_CTRL	0x0018 | 
|  | #define MII_MARVELL_STATUS	0x001b | 
|  | #define MII_MARVELL_CTRL	0x0014 | 
|  |  | 
|  | #define MARVELL_LED_MANUAL	0x0019 | 
|  |  | 
|  | #define MARVELL_STATUS_HWCFG	0x0004 | 
|  |  | 
|  | #define MARVELL_CTRL_TXDELAY	0x0002 | 
|  | #define MARVELL_CTRL_RXDELAY	0x0080 | 
|  |  | 
|  | /* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */ | 
|  | struct asix_data { | 
|  | u8 multi_filter[AX_MCAST_FILTER_SIZE]; | 
|  | u8 phymode; | 
|  | u8 ledmode; | 
|  | u8 eeprom_len; | 
|  | }; | 
|  |  | 
|  | struct ax88172_int_data { | 
|  | u16 res1; | 
|  | u8 link; | 
|  | u16 res2; | 
|  | u8 status; | 
|  | u16 res3; | 
|  | } __attribute__ ((packed)); | 
|  |  | 
|  | static int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, | 
|  | u16 size, void *data) | 
|  | { | 
|  | devdbg(dev,"asix_read_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d", | 
|  | cmd, value, index, size); | 
|  | return usb_control_msg( | 
|  | dev->udev, | 
|  | usb_rcvctrlpipe(dev->udev, 0), | 
|  | cmd, | 
|  | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | 
|  | value, | 
|  | index, | 
|  | data, | 
|  | size, | 
|  | USB_CTRL_GET_TIMEOUT); | 
|  | } | 
|  |  | 
|  | static int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, | 
|  | u16 size, void *data) | 
|  | { | 
|  | devdbg(dev,"asix_write_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d", | 
|  | cmd, value, index, size); | 
|  | return usb_control_msg( | 
|  | dev->udev, | 
|  | usb_sndctrlpipe(dev->udev, 0), | 
|  | cmd, | 
|  | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | 
|  | value, | 
|  | index, | 
|  | data, | 
|  | size, | 
|  | USB_CTRL_SET_TIMEOUT); | 
|  | } | 
|  |  | 
|  | static void asix_async_cmd_callback(struct urb *urb) | 
|  | { | 
|  | struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context; | 
|  |  | 
|  | if (urb->status < 0) | 
|  | printk(KERN_DEBUG "asix_async_cmd_callback() failed with %d", | 
|  | urb->status); | 
|  |  | 
|  | kfree(req); | 
|  | usb_free_urb(urb); | 
|  | } | 
|  |  | 
|  | static void | 
|  | asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index, | 
|  | u16 size, void *data) | 
|  | { | 
|  | struct usb_ctrlrequest *req; | 
|  | int status; | 
|  | struct urb *urb; | 
|  |  | 
|  | devdbg(dev,"asix_write_cmd_async() cmd=0x%02x value=0x%04x index=0x%04x size=%d", | 
|  | cmd, value, index, size); | 
|  | if ((urb = usb_alloc_urb(0, GFP_ATOMIC)) == NULL) { | 
|  | deverr(dev, "Error allocating URB in write_cmd_async!"); | 
|  | return; | 
|  | } | 
|  |  | 
|  | if ((req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC)) == NULL) { | 
|  | deverr(dev, "Failed to allocate memory for control request"); | 
|  | usb_free_urb(urb); | 
|  | return; | 
|  | } | 
|  |  | 
|  | req->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE; | 
|  | req->bRequest = cmd; | 
|  | req->wValue = cpu_to_le16(value); | 
|  | req->wIndex = cpu_to_le16(index); | 
|  | req->wLength = cpu_to_le16(size); | 
|  |  | 
|  | usb_fill_control_urb(urb, dev->udev, | 
|  | usb_sndctrlpipe(dev->udev, 0), | 
|  | (void *)req, data, size, | 
|  | asix_async_cmd_callback, req); | 
|  |  | 
|  | if((status = usb_submit_urb(urb, GFP_ATOMIC)) < 0) { | 
|  | deverr(dev, "Error submitting the control message: status=%d", | 
|  | status); | 
|  | kfree(req); | 
|  | usb_free_urb(urb); | 
|  | } | 
|  | } | 
|  |  | 
|  | static int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb) | 
|  | { | 
|  | u8  *head; | 
|  | u32  header; | 
|  | char *packet; | 
|  | struct sk_buff *ax_skb; | 
|  | u16 size; | 
|  |  | 
|  | head = (u8 *) skb->data; | 
|  | memcpy(&header, head, sizeof(header)); | 
|  | le32_to_cpus(&header); | 
|  | packet = head + sizeof(header); | 
|  |  | 
|  | skb_pull(skb, 4); | 
|  |  | 
|  | while (skb->len > 0) { | 
|  | if ((short)(header & 0x0000ffff) != | 
|  | ~((short)((header & 0xffff0000) >> 16))) { | 
|  | deverr(dev,"asix_rx_fixup() Bad Header Length"); | 
|  | } | 
|  | /* get the packet length */ | 
|  | size = (u16) (header & 0x0000ffff); | 
|  |  | 
|  | if ((skb->len) - ((size + 1) & 0xfffe) == 0) | 
|  | return 2; | 
|  | if (size > ETH_FRAME_LEN) { | 
|  | deverr(dev,"asix_rx_fixup() Bad RX Length %d", size); | 
|  | return 0; | 
|  | } | 
|  | ax_skb = skb_clone(skb, GFP_ATOMIC); | 
|  | if (ax_skb) { | 
|  | ax_skb->len = size; | 
|  | ax_skb->data = packet; | 
|  | ax_skb->tail = packet + size; | 
|  | usbnet_skb_return(dev, ax_skb); | 
|  | } else { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | skb_pull(skb, (size + 1) & 0xfffe); | 
|  |  | 
|  | if (skb->len == 0) | 
|  | break; | 
|  |  | 
|  | head = (u8 *) skb->data; | 
|  | memcpy(&header, head, sizeof(header)); | 
|  | le32_to_cpus(&header); | 
|  | packet = head + sizeof(header); | 
|  | skb_pull(skb, 4); | 
|  | } | 
|  |  | 
|  | if (skb->len < 0) { | 
|  | deverr(dev,"asix_rx_fixup() Bad SKB Length %d", skb->len); | 
|  | return 0; | 
|  | } | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | static struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb, | 
|  | gfp_t flags) | 
|  | { | 
|  | int padlen; | 
|  | int headroom = skb_headroom(skb); | 
|  | int tailroom = skb_tailroom(skb); | 
|  | u32 packet_len; | 
|  | u32 padbytes = 0xffff0000; | 
|  |  | 
|  | padlen = ((skb->len + 4) % 512) ? 0 : 4; | 
|  |  | 
|  | if ((!skb_cloned(skb)) | 
|  | && ((headroom + tailroom) >= (4 + padlen))) { | 
|  | if ((headroom < 4) || (tailroom < padlen)) { | 
|  | skb->data = memmove(skb->head + 4, skb->data, skb->len); | 
|  | skb->tail = skb->data + skb->len; | 
|  | } | 
|  | } else { | 
|  | struct sk_buff *skb2; | 
|  | skb2 = skb_copy_expand(skb, 4, padlen, flags); | 
|  | dev_kfree_skb_any(skb); | 
|  | skb = skb2; | 
|  | if (!skb) | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | skb_push(skb, 4); | 
|  | packet_len = (((skb->len - 4) ^ 0x0000ffff) << 16) + (skb->len - 4); | 
|  | memcpy(skb->data, &packet_len, sizeof(packet_len)); | 
|  |  | 
|  | if ((skb->len % 512) == 0) { | 
|  | memcpy( skb->tail, &padbytes, sizeof(padbytes)); | 
|  | skb_put(skb, sizeof(padbytes)); | 
|  | } | 
|  | return skb; | 
|  | } | 
|  |  | 
|  | static void asix_status(struct usbnet *dev, struct urb *urb) | 
|  | { | 
|  | struct ax88172_int_data *event; | 
|  | int link; | 
|  |  | 
|  | if (urb->actual_length < 8) | 
|  | return; | 
|  |  | 
|  | event = urb->transfer_buffer; | 
|  | link = event->link & 0x01; | 
|  | if (netif_carrier_ok(dev->net) != link) { | 
|  | if (link) { | 
|  | netif_carrier_on(dev->net); | 
|  | usbnet_defer_kevent (dev, EVENT_LINK_RESET ); | 
|  | } else | 
|  | netif_carrier_off(dev->net); | 
|  | devdbg(dev, "Link Status is: %d", link); | 
|  | } | 
|  | } | 
|  |  | 
|  | static inline int asix_set_sw_mii(struct usbnet *dev) | 
|  | { | 
|  | int ret; | 
|  | ret = asix_write_cmd(dev, AX_CMD_SET_SW_MII, 0x0000, 0, 0, NULL); | 
|  | if (ret < 0) | 
|  | deverr(dev, "Failed to enable software MII access"); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static inline int asix_set_hw_mii(struct usbnet *dev) | 
|  | { | 
|  | int ret; | 
|  | ret = asix_write_cmd(dev, AX_CMD_SET_HW_MII, 0x0000, 0, 0, NULL); | 
|  | if (ret < 0) | 
|  | deverr(dev, "Failed to enable hardware MII access"); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static inline int asix_get_phy_addr(struct usbnet *dev) | 
|  | { | 
|  | int ret = 0; | 
|  | void *buf; | 
|  |  | 
|  | devdbg(dev, "asix_get_phy_addr()"); | 
|  |  | 
|  | buf = kmalloc(2, GFP_KERNEL); | 
|  | if (!buf) | 
|  | goto out1; | 
|  |  | 
|  | if ((ret = asix_read_cmd(dev, AX_CMD_READ_PHY_ID, | 
|  | 0, 0, 2, buf)) < 2) { | 
|  | deverr(dev, "Error reading PHYID register: %02x", ret); | 
|  | goto out2; | 
|  | } | 
|  | devdbg(dev, "asix_get_phy_addr() returning 0x%04x", *((u16 *)buf)); | 
|  | ret = *((u8 *)buf + 1); | 
|  | out2: | 
|  | kfree(buf); | 
|  | out1: | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static int asix_sw_reset(struct usbnet *dev, u8 flags) | 
|  | { | 
|  | int ret; | 
|  |  | 
|  | ret = asix_write_cmd(dev, AX_CMD_SW_RESET, flags, 0, 0, NULL); | 
|  | if (ret < 0) | 
|  | deverr(dev,"Failed to send software reset: %02x", ret); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static u16 asix_read_rx_ctl(struct usbnet *dev) | 
|  | { | 
|  | u16 ret = 0; | 
|  | void *buf; | 
|  |  | 
|  | buf = kmalloc(2, GFP_KERNEL); | 
|  | if (!buf) | 
|  | goto out1; | 
|  |  | 
|  | if ((ret = asix_read_cmd(dev, AX_CMD_READ_RX_CTL, | 
|  | 0, 0, 2, buf)) < 2) { | 
|  | deverr(dev, "Error reading RX_CTL register: %02x", ret); | 
|  | goto out2; | 
|  | } | 
|  | ret = le16_to_cpu(*((u16 *)buf)); | 
|  | out2: | 
|  | kfree(buf); | 
|  | out1: | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static int asix_write_rx_ctl(struct usbnet *dev, u16 mode) | 
|  | { | 
|  | int ret; | 
|  |  | 
|  | devdbg(dev,"asix_write_rx_ctl() - mode = 0x%04x", mode); | 
|  | ret = asix_write_cmd(dev, AX_CMD_WRITE_RX_CTL, mode, 0, 0, NULL); | 
|  | if (ret < 0) | 
|  | deverr(dev, "Failed to write RX_CTL mode to 0x%04x: %02x", | 
|  | mode, ret); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static u16 asix_read_medium_status(struct usbnet *dev) | 
|  | { | 
|  | u16 ret = 0; | 
|  | void *buf; | 
|  |  | 
|  | buf = kmalloc(2, GFP_KERNEL); | 
|  | if (!buf) | 
|  | goto out1; | 
|  |  | 
|  | if ((ret = asix_read_cmd(dev, AX_CMD_READ_MEDIUM_STATUS, | 
|  | 0, 0, 2, buf)) < 2) { | 
|  | deverr(dev, "Error reading Medium Status register: %02x", ret); | 
|  | goto out2; | 
|  | } | 
|  | ret = le16_to_cpu(*((u16 *)buf)); | 
|  | out2: | 
|  | kfree(buf); | 
|  | out1: | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static int asix_write_medium_mode(struct usbnet *dev, u16 mode) | 
|  | { | 
|  | int ret; | 
|  |  | 
|  | devdbg(dev,"asix_write_medium_mode() - mode = 0x%04x", mode); | 
|  | ret = asix_write_cmd(dev, AX_CMD_WRITE_MEDIUM_MODE, mode, 0, 0, NULL); | 
|  | if (ret < 0) | 
|  | deverr(dev, "Failed to write Medium Mode mode to 0x%04x: %02x", | 
|  | mode, ret); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static int asix_write_gpio(struct usbnet *dev, u16 value, int sleep) | 
|  | { | 
|  | int ret; | 
|  |  | 
|  | devdbg(dev,"asix_write_gpio() - value = 0x%04x", value); | 
|  | ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS, value, 0, 0, NULL); | 
|  | if (ret < 0) | 
|  | deverr(dev, "Failed to write GPIO value 0x%04x: %02x", | 
|  | value, ret); | 
|  |  | 
|  | if (sleep) | 
|  | msleep(sleep); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * AX88772 & AX88178 have a 16-bit RX_CTL value | 
|  | */ | 
|  | static void asix_set_multicast(struct net_device *net) | 
|  | { | 
|  | struct usbnet *dev = netdev_priv(net); | 
|  | struct asix_data *data = (struct asix_data *)&dev->data; | 
|  | u16 rx_ctl = AX_DEFAULT_RX_CTL; | 
|  |  | 
|  | if (net->flags & IFF_PROMISC) { | 
|  | rx_ctl |= AX_RX_CTL_PRO; | 
|  | } else if (net->flags & IFF_ALLMULTI | 
|  | || net->mc_count > AX_MAX_MCAST) { | 
|  | rx_ctl |= AX_RX_CTL_AMALL; | 
|  | } else if (net->mc_count == 0) { | 
|  | /* just broadcast and directed */ | 
|  | } else { | 
|  | /* We use the 20 byte dev->data | 
|  | * for our 8 byte filter buffer | 
|  | * to avoid allocating memory that | 
|  | * is tricky to free later */ | 
|  | struct dev_mc_list *mc_list = net->mc_list; | 
|  | u32 crc_bits; | 
|  | int i; | 
|  |  | 
|  | memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE); | 
|  |  | 
|  | /* Build the multicast hash filter. */ | 
|  | for (i = 0; i < net->mc_count; i++) { | 
|  | crc_bits = | 
|  | ether_crc(ETH_ALEN, | 
|  | mc_list->dmi_addr) >> 26; | 
|  | data->multi_filter[crc_bits >> 3] |= | 
|  | 1 << (crc_bits & 7); | 
|  | mc_list = mc_list->next; | 
|  | } | 
|  |  | 
|  | asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0, | 
|  | AX_MCAST_FILTER_SIZE, data->multi_filter); | 
|  |  | 
|  | rx_ctl |= AX_RX_CTL_AM; | 
|  | } | 
|  |  | 
|  | asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL); | 
|  | } | 
|  |  | 
|  | static int asix_mdio_read(struct net_device *netdev, int phy_id, int loc) | 
|  | { | 
|  | struct usbnet *dev = netdev_priv(netdev); | 
|  | u16 res; | 
|  |  | 
|  | mutex_lock(&dev->phy_mutex); | 
|  | asix_set_sw_mii(dev); | 
|  | asix_read_cmd(dev, AX_CMD_READ_MII_REG, phy_id, | 
|  | (__u16)loc, 2, (u16 *)&res); | 
|  | asix_set_hw_mii(dev); | 
|  | mutex_unlock(&dev->phy_mutex); | 
|  |  | 
|  | devdbg(dev, "asix_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x", phy_id, loc, le16_to_cpu(res & 0xffff)); | 
|  |  | 
|  | return le16_to_cpu(res & 0xffff); | 
|  | } | 
|  |  | 
|  | static void | 
|  | asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val) | 
|  | { | 
|  | struct usbnet *dev = netdev_priv(netdev); | 
|  | u16 res = cpu_to_le16(val); | 
|  |  | 
|  | devdbg(dev, "asix_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x", phy_id, loc, val); | 
|  | mutex_lock(&dev->phy_mutex); | 
|  | asix_set_sw_mii(dev); | 
|  | asix_write_cmd(dev, AX_CMD_WRITE_MII_REG, phy_id, | 
|  | (__u16)loc, 2, (u16 *)&res); | 
|  | asix_set_hw_mii(dev); | 
|  | mutex_unlock(&dev->phy_mutex); | 
|  | } | 
|  |  | 
|  | /* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */ | 
|  | static u32 asix_get_phyid(struct usbnet *dev) | 
|  | { | 
|  | int phy_reg; | 
|  | u32 phy_id; | 
|  |  | 
|  | phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1); | 
|  | if (phy_reg < 0) | 
|  | return 0; | 
|  |  | 
|  | phy_id = (phy_reg & 0xffff) << 16; | 
|  |  | 
|  | phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2); | 
|  | if (phy_reg < 0) | 
|  | return 0; | 
|  |  | 
|  | phy_id |= (phy_reg & 0xffff); | 
|  |  | 
|  | return phy_id; | 
|  | } | 
|  |  | 
|  | static void | 
|  | asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) | 
|  | { | 
|  | struct usbnet *dev = netdev_priv(net); | 
|  | u8 opt; | 
|  |  | 
|  | if (asix_read_cmd(dev, AX_CMD_READ_MONITOR_MODE, 0, 0, 1, &opt) < 0) { | 
|  | wolinfo->supported = 0; | 
|  | wolinfo->wolopts = 0; | 
|  | return; | 
|  | } | 
|  | wolinfo->supported = WAKE_PHY | WAKE_MAGIC; | 
|  | wolinfo->wolopts = 0; | 
|  | if (opt & AX_MONITOR_MODE) { | 
|  | if (opt & AX_MONITOR_LINK) | 
|  | wolinfo->wolopts |= WAKE_PHY; | 
|  | if (opt & AX_MONITOR_MAGIC) | 
|  | wolinfo->wolopts |= WAKE_MAGIC; | 
|  | } | 
|  | } | 
|  |  | 
|  | static int | 
|  | asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) | 
|  | { | 
|  | struct usbnet *dev = netdev_priv(net); | 
|  | u8 opt = 0; | 
|  | u8 buf[1]; | 
|  |  | 
|  | if (wolinfo->wolopts & WAKE_PHY) | 
|  | opt |= AX_MONITOR_LINK; | 
|  | if (wolinfo->wolopts & WAKE_MAGIC) | 
|  | opt |= AX_MONITOR_MAGIC; | 
|  | if (opt != 0) | 
|  | opt |= AX_MONITOR_MODE; | 
|  |  | 
|  | if (asix_write_cmd(dev, AX_CMD_WRITE_MONITOR_MODE, | 
|  | opt, 0, 0, &buf) < 0) | 
|  | return -EINVAL; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int asix_get_eeprom_len(struct net_device *net) | 
|  | { | 
|  | struct usbnet *dev = netdev_priv(net); | 
|  | struct asix_data *data = (struct asix_data *)&dev->data; | 
|  |  | 
|  | return data->eeprom_len; | 
|  | } | 
|  |  | 
|  | static int asix_get_eeprom(struct net_device *net, | 
|  | struct ethtool_eeprom *eeprom, u8 *data) | 
|  | { | 
|  | struct usbnet *dev = netdev_priv(net); | 
|  | u16 *ebuf = (u16 *)data; | 
|  | int i; | 
|  |  | 
|  | /* Crude hack to ensure that we don't overwrite memory | 
|  | * if an odd length is supplied | 
|  | */ | 
|  | if (eeprom->len % 2) | 
|  | return -EINVAL; | 
|  |  | 
|  | eeprom->magic = AX_EEPROM_MAGIC; | 
|  |  | 
|  | /* ax8817x returns 2 bytes from eeprom on read */ | 
|  | for (i=0; i < eeprom->len / 2; i++) { | 
|  | if (asix_read_cmd(dev, AX_CMD_READ_EEPROM, | 
|  | eeprom->offset + i, 0, 2, &ebuf[i]) < 0) | 
|  | return -EINVAL; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void asix_get_drvinfo (struct net_device *net, | 
|  | struct ethtool_drvinfo *info) | 
|  | { | 
|  | struct usbnet *dev = netdev_priv(net); | 
|  | struct asix_data *data = (struct asix_data *)&dev->data; | 
|  |  | 
|  | /* Inherit standard device info */ | 
|  | usbnet_get_drvinfo(net, info); | 
|  | strncpy (info->driver, driver_name, sizeof info->driver); | 
|  | strncpy (info->version, DRIVER_VERSION, sizeof info->version); | 
|  | info->eedump_len = data->eeprom_len; | 
|  | } | 
|  |  | 
|  | static u32 asix_get_link(struct net_device *net) | 
|  | { | 
|  | struct usbnet *dev = netdev_priv(net); | 
|  |  | 
|  | return mii_link_ok(&dev->mii); | 
|  | } | 
|  |  | 
|  | static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd) | 
|  | { | 
|  | struct usbnet *dev = netdev_priv(net); | 
|  |  | 
|  | return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL); | 
|  | } | 
|  |  | 
|  | /* We need to override some ethtool_ops so we require our | 
|  | own structure so we don't interfere with other usbnet | 
|  | devices that may be connected at the same time. */ | 
|  | static struct ethtool_ops ax88172_ethtool_ops = { | 
|  | .get_drvinfo		= asix_get_drvinfo, | 
|  | .get_link		= asix_get_link, | 
|  | .get_msglevel		= usbnet_get_msglevel, | 
|  | .set_msglevel		= usbnet_set_msglevel, | 
|  | .get_wol		= asix_get_wol, | 
|  | .set_wol		= asix_set_wol, | 
|  | .get_eeprom_len		= asix_get_eeprom_len, | 
|  | .get_eeprom		= asix_get_eeprom, | 
|  | .get_settings		= usbnet_get_settings, | 
|  | .set_settings		= usbnet_set_settings, | 
|  | .nway_reset		= usbnet_nway_reset, | 
|  | }; | 
|  |  | 
|  | static void ax88172_set_multicast(struct net_device *net) | 
|  | { | 
|  | struct usbnet *dev = netdev_priv(net); | 
|  | struct asix_data *data = (struct asix_data *)&dev->data; | 
|  | u8 rx_ctl = 0x8c; | 
|  |  | 
|  | if (net->flags & IFF_PROMISC) { | 
|  | rx_ctl |= 0x01; | 
|  | } else if (net->flags & IFF_ALLMULTI | 
|  | || net->mc_count > AX_MAX_MCAST) { | 
|  | rx_ctl |= 0x02; | 
|  | } else if (net->mc_count == 0) { | 
|  | /* just broadcast and directed */ | 
|  | } else { | 
|  | /* We use the 20 byte dev->data | 
|  | * for our 8 byte filter buffer | 
|  | * to avoid allocating memory that | 
|  | * is tricky to free later */ | 
|  | struct dev_mc_list *mc_list = net->mc_list; | 
|  | u32 crc_bits; | 
|  | int i; | 
|  |  | 
|  | memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE); | 
|  |  | 
|  | /* Build the multicast hash filter. */ | 
|  | for (i = 0; i < net->mc_count; i++) { | 
|  | crc_bits = | 
|  | ether_crc(ETH_ALEN, | 
|  | mc_list->dmi_addr) >> 26; | 
|  | data->multi_filter[crc_bits >> 3] |= | 
|  | 1 << (crc_bits & 7); | 
|  | mc_list = mc_list->next; | 
|  | } | 
|  |  | 
|  | asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0, | 
|  | AX_MCAST_FILTER_SIZE, data->multi_filter); | 
|  |  | 
|  | rx_ctl |= 0x10; | 
|  | } | 
|  |  | 
|  | asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL); | 
|  | } | 
|  |  | 
|  | static int ax88172_link_reset(struct usbnet *dev) | 
|  | { | 
|  | u8 mode; | 
|  | struct ethtool_cmd ecmd; | 
|  |  | 
|  | mii_check_media(&dev->mii, 1, 1); | 
|  | mii_ethtool_gset(&dev->mii, &ecmd); | 
|  | mode = AX88172_MEDIUM_DEFAULT; | 
|  |  | 
|  | if (ecmd.duplex != DUPLEX_FULL) | 
|  | mode |= ~AX88172_MEDIUM_FD; | 
|  |  | 
|  | devdbg(dev, "ax88172_link_reset() speed: %d duplex: %d setting mode to 0x%04x", ecmd.speed, ecmd.duplex, mode); | 
|  |  | 
|  | asix_write_medium_mode(dev, mode); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf) | 
|  | { | 
|  | int ret = 0; | 
|  | void *buf; | 
|  | int i; | 
|  | unsigned long gpio_bits = dev->driver_info->data; | 
|  | struct asix_data *data = (struct asix_data *)&dev->data; | 
|  |  | 
|  | data->eeprom_len = AX88172_EEPROM_LEN; | 
|  |  | 
|  | usbnet_get_endpoints(dev,intf); | 
|  |  | 
|  | buf = kmalloc(ETH_ALEN, GFP_KERNEL); | 
|  | if(!buf) { | 
|  | ret = -ENOMEM; | 
|  | goto out1; | 
|  | } | 
|  |  | 
|  | /* Toggle the GPIOs in a manufacturer/model specific way */ | 
|  | for (i = 2; i >= 0; i--) { | 
|  | if ((ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS, | 
|  | (gpio_bits >> (i * 8)) & 0xff, 0, 0, | 
|  | buf)) < 0) | 
|  | goto out2; | 
|  | msleep(5); | 
|  | } | 
|  |  | 
|  | if ((ret = asix_write_rx_ctl(dev, 0x80)) < 0) | 
|  | goto out2; | 
|  |  | 
|  | /* Get the MAC address */ | 
|  | memset(buf, 0, ETH_ALEN); | 
|  | if ((ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID, | 
|  | 0, 0, 6, buf)) < 0) { | 
|  | dbg("read AX_CMD_READ_NODE_ID failed: %d", ret); | 
|  | goto out2; | 
|  | } | 
|  | memcpy(dev->net->dev_addr, buf, ETH_ALEN); | 
|  |  | 
|  | /* Initialize MII structure */ | 
|  | dev->mii.dev = dev->net; | 
|  | dev->mii.mdio_read = asix_mdio_read; | 
|  | dev->mii.mdio_write = asix_mdio_write; | 
|  | dev->mii.phy_id_mask = 0x3f; | 
|  | dev->mii.reg_num_mask = 0x1f; | 
|  | dev->mii.phy_id = asix_get_phy_addr(dev); | 
|  | dev->net->do_ioctl = asix_ioctl; | 
|  |  | 
|  | dev->net->set_multicast_list = ax88172_set_multicast; | 
|  | dev->net->ethtool_ops = &ax88172_ethtool_ops; | 
|  |  | 
|  | asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET); | 
|  | asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, | 
|  | ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP); | 
|  | mii_nway_restart(&dev->mii); | 
|  |  | 
|  | return 0; | 
|  | out2: | 
|  | kfree(buf); | 
|  | out1: | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static struct ethtool_ops ax88772_ethtool_ops = { | 
|  | .get_drvinfo		= asix_get_drvinfo, | 
|  | .get_link		= asix_get_link, | 
|  | .get_msglevel		= usbnet_get_msglevel, | 
|  | .set_msglevel		= usbnet_set_msglevel, | 
|  | .get_wol		= asix_get_wol, | 
|  | .set_wol		= asix_set_wol, | 
|  | .get_eeprom_len		= asix_get_eeprom_len, | 
|  | .get_eeprom		= asix_get_eeprom, | 
|  | .get_settings		= usbnet_get_settings, | 
|  | .set_settings		= usbnet_set_settings, | 
|  | .nway_reset		= usbnet_nway_reset, | 
|  | }; | 
|  |  | 
|  | static int ax88772_link_reset(struct usbnet *dev) | 
|  | { | 
|  | u16 mode; | 
|  | struct ethtool_cmd ecmd; | 
|  |  | 
|  | mii_check_media(&dev->mii, 1, 1); | 
|  | mii_ethtool_gset(&dev->mii, &ecmd); | 
|  | mode = AX88772_MEDIUM_DEFAULT; | 
|  |  | 
|  | if (ecmd.speed != SPEED_100) | 
|  | mode &= ~AX_MEDIUM_PS; | 
|  |  | 
|  | if (ecmd.duplex != DUPLEX_FULL) | 
|  | mode &= ~AX_MEDIUM_FD; | 
|  |  | 
|  | devdbg(dev, "ax88772_link_reset() speed: %d duplex: %d setting mode to 0x%04x", ecmd.speed, ecmd.duplex, mode); | 
|  |  | 
|  | asix_write_medium_mode(dev, mode); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) | 
|  | { | 
|  | int ret, embd_phy; | 
|  | void *buf; | 
|  | u16 rx_ctl; | 
|  | struct asix_data *data = (struct asix_data *)&dev->data; | 
|  | u32 phyid; | 
|  |  | 
|  | data->eeprom_len = AX88772_EEPROM_LEN; | 
|  |  | 
|  | usbnet_get_endpoints(dev,intf); | 
|  |  | 
|  | buf = kmalloc(6, GFP_KERNEL); | 
|  | if(!buf) { | 
|  | dbg ("Cannot allocate memory for buffer"); | 
|  | ret = -ENOMEM; | 
|  | goto out1; | 
|  | } | 
|  |  | 
|  | if ((ret = asix_write_gpio(dev, | 
|  | AX_GPIO_RSE | AX_GPIO_GPO_2 | AX_GPIO_GPO2EN, 5)) < 0) | 
|  | goto out2; | 
|  |  | 
|  | /* 0x10 is the phy id of the embedded 10/100 ethernet phy */ | 
|  | embd_phy = ((asix_get_phy_addr(dev) & 0x1f) == 0x10 ? 1 : 0); | 
|  | if ((ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, | 
|  | embd_phy, 0, 0, buf)) < 0) { | 
|  | dbg("Select PHY #1 failed: %d", ret); | 
|  | goto out2; | 
|  | } | 
|  |  | 
|  | if ((ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL)) < 0) | 
|  | goto out2; | 
|  |  | 
|  | msleep(150); | 
|  | if ((ret = asix_sw_reset(dev, AX_SWRESET_CLEAR)) < 0) | 
|  | goto out2; | 
|  |  | 
|  | msleep(150); | 
|  | if (embd_phy) { | 
|  | if ((ret = asix_sw_reset(dev, AX_SWRESET_IPRL)) < 0) | 
|  | goto out2; | 
|  | } | 
|  | else { | 
|  | if ((ret = asix_sw_reset(dev, AX_SWRESET_PRTE)) < 0) | 
|  | goto out2; | 
|  | } | 
|  |  | 
|  | msleep(150); | 
|  | rx_ctl = asix_read_rx_ctl(dev); | 
|  | dbg("RX_CTL is 0x%04x after software reset", rx_ctl); | 
|  | if ((ret = asix_write_rx_ctl(dev, 0x0000)) < 0) | 
|  | goto out2; | 
|  |  | 
|  | rx_ctl = asix_read_rx_ctl(dev); | 
|  | dbg("RX_CTL is 0x%04x setting to 0x0000", rx_ctl); | 
|  |  | 
|  | /* Get the MAC address */ | 
|  | memset(buf, 0, ETH_ALEN); | 
|  | if ((ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, | 
|  | 0, 0, ETH_ALEN, buf)) < 0) { | 
|  | dbg("Failed to read MAC address: %d", ret); | 
|  | goto out2; | 
|  | } | 
|  | memcpy(dev->net->dev_addr, buf, ETH_ALEN); | 
|  |  | 
|  | /* Initialize MII structure */ | 
|  | dev->mii.dev = dev->net; | 
|  | dev->mii.mdio_read = asix_mdio_read; | 
|  | dev->mii.mdio_write = asix_mdio_write; | 
|  | dev->mii.phy_id_mask = 0x1f; | 
|  | dev->mii.reg_num_mask = 0x1f; | 
|  | dev->net->do_ioctl = asix_ioctl; | 
|  | dev->mii.phy_id = asix_get_phy_addr(dev); | 
|  |  | 
|  | phyid = asix_get_phyid(dev); | 
|  | dbg("PHYID=0x%08x", phyid); | 
|  |  | 
|  | if ((ret = asix_sw_reset(dev, AX_SWRESET_PRL)) < 0) | 
|  | goto out2; | 
|  |  | 
|  | msleep(150); | 
|  |  | 
|  | if ((ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL)) < 0) | 
|  | goto out2; | 
|  |  | 
|  | msleep(150); | 
|  |  | 
|  | dev->net->set_multicast_list = asix_set_multicast; | 
|  | dev->net->ethtool_ops = &ax88772_ethtool_ops; | 
|  |  | 
|  | asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET); | 
|  | asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, | 
|  | ADVERTISE_ALL | ADVERTISE_CSMA); | 
|  | mii_nway_restart(&dev->mii); | 
|  |  | 
|  | if ((ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT)) < 0) | 
|  | goto out2; | 
|  |  | 
|  | if ((ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0, | 
|  | AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT, | 
|  | AX88772_IPG2_DEFAULT, 0, buf)) < 0) { | 
|  | dbg("Write IPG,IPG1,IPG2 failed: %d", ret); | 
|  | goto out2; | 
|  | } | 
|  |  | 
|  | /* Set RX_CTL to default values with 2k buffer, and enable cactus */ | 
|  | if ((ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL)) < 0) | 
|  | goto out2; | 
|  |  | 
|  | rx_ctl = asix_read_rx_ctl(dev); | 
|  | dbg("RX_CTL is 0x%04x after all initializations", rx_ctl); | 
|  |  | 
|  | rx_ctl = asix_read_medium_status(dev); | 
|  | dbg("Medium Status is 0x%04x after all initializations", rx_ctl); | 
|  |  | 
|  | kfree(buf); | 
|  |  | 
|  | /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */ | 
|  | if (dev->driver_info->flags & FLAG_FRAMING_AX) { | 
|  | /* hard_mtu  is still the default - the device does not support | 
|  | jumbo eth frames */ | 
|  | dev->rx_urb_size = 2048; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  |  | 
|  | out2: | 
|  | kfree(buf); | 
|  | out1: | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static struct ethtool_ops ax88178_ethtool_ops = { | 
|  | .get_drvinfo		= asix_get_drvinfo, | 
|  | .get_link		= asix_get_link, | 
|  | .get_msglevel		= usbnet_get_msglevel, | 
|  | .set_msglevel		= usbnet_set_msglevel, | 
|  | .get_wol		= asix_get_wol, | 
|  | .set_wol		= asix_set_wol, | 
|  | .get_eeprom_len		= asix_get_eeprom_len, | 
|  | .get_eeprom		= asix_get_eeprom, | 
|  | .get_settings		= usbnet_get_settings, | 
|  | .set_settings		= usbnet_set_settings, | 
|  | .nway_reset		= usbnet_nway_reset, | 
|  | }; | 
|  |  | 
|  | static int marvell_phy_init(struct usbnet *dev) | 
|  | { | 
|  | struct asix_data *data = (struct asix_data *)&dev->data; | 
|  | u16 reg; | 
|  |  | 
|  | devdbg(dev,"marvell_phy_init()"); | 
|  |  | 
|  | reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS); | 
|  | devdbg(dev,"MII_MARVELL_STATUS = 0x%04x", reg); | 
|  |  | 
|  | asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL, | 
|  | MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY); | 
|  |  | 
|  | if (data->ledmode) { | 
|  | reg = asix_mdio_read(dev->net, dev->mii.phy_id, | 
|  | MII_MARVELL_LED_CTRL); | 
|  | devdbg(dev,"MII_MARVELL_LED_CTRL (1) = 0x%04x", reg); | 
|  |  | 
|  | reg &= 0xf8ff; | 
|  | reg |= (1 + 0x0100); | 
|  | asix_mdio_write(dev->net, dev->mii.phy_id, | 
|  | MII_MARVELL_LED_CTRL, reg); | 
|  |  | 
|  | reg = asix_mdio_read(dev->net, dev->mii.phy_id, | 
|  | MII_MARVELL_LED_CTRL); | 
|  | devdbg(dev,"MII_MARVELL_LED_CTRL (2) = 0x%04x", reg); | 
|  | reg &= 0xfc0f; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int marvell_led_status(struct usbnet *dev, u16 speed) | 
|  | { | 
|  | u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL); | 
|  |  | 
|  | devdbg(dev, "marvell_led_status() read 0x%04x", reg); | 
|  |  | 
|  | /* Clear out the center LED bits - 0x03F0 */ | 
|  | reg &= 0xfc0f; | 
|  |  | 
|  | switch (speed) { | 
|  | case SPEED_1000: | 
|  | reg |= 0x03e0; | 
|  | break; | 
|  | case SPEED_100: | 
|  | reg |= 0x03b0; | 
|  | break; | 
|  | default: | 
|  | reg |= 0x02f0; | 
|  | } | 
|  |  | 
|  | devdbg(dev, "marvell_led_status() writing 0x%04x", reg); | 
|  | asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int ax88178_link_reset(struct usbnet *dev) | 
|  | { | 
|  | u16 mode; | 
|  | struct ethtool_cmd ecmd; | 
|  | struct asix_data *data = (struct asix_data *)&dev->data; | 
|  |  | 
|  | devdbg(dev,"ax88178_link_reset()"); | 
|  |  | 
|  | mii_check_media(&dev->mii, 1, 1); | 
|  | mii_ethtool_gset(&dev->mii, &ecmd); | 
|  | mode = AX88178_MEDIUM_DEFAULT; | 
|  |  | 
|  | if (ecmd.speed == SPEED_1000) | 
|  | mode |= AX_MEDIUM_GM | AX_MEDIUM_ENCK; | 
|  | else if (ecmd.speed == SPEED_100) | 
|  | mode |= AX_MEDIUM_PS; | 
|  | else | 
|  | mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM); | 
|  |  | 
|  | if (ecmd.duplex == DUPLEX_FULL) | 
|  | mode |= AX_MEDIUM_FD; | 
|  | else | 
|  | mode &= ~AX_MEDIUM_FD; | 
|  |  | 
|  | devdbg(dev, "ax88178_link_reset() speed: %d duplex: %d setting mode to 0x%04x", ecmd.speed, ecmd.duplex, mode); | 
|  |  | 
|  | asix_write_medium_mode(dev, mode); | 
|  |  | 
|  | if (data->phymode == PHY_MODE_MARVELL && data->ledmode) | 
|  | marvell_led_status(dev, ecmd.speed); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void ax88178_set_mfb(struct usbnet *dev) | 
|  | { | 
|  | u16 mfb = AX_RX_CTL_MFB_16384; | 
|  | u16 rxctl; | 
|  | u16 medium; | 
|  | int old_rx_urb_size = dev->rx_urb_size; | 
|  |  | 
|  | if (dev->hard_mtu < 2048) { | 
|  | dev->rx_urb_size = 2048; | 
|  | mfb = AX_RX_CTL_MFB_2048; | 
|  | } else if (dev->hard_mtu < 4096) { | 
|  | dev->rx_urb_size = 4096; | 
|  | mfb = AX_RX_CTL_MFB_4096; | 
|  | } else if (dev->hard_mtu < 8192) { | 
|  | dev->rx_urb_size = 8192; | 
|  | mfb = AX_RX_CTL_MFB_8192; | 
|  | } else if (dev->hard_mtu < 16384) { | 
|  | dev->rx_urb_size = 16384; | 
|  | mfb = AX_RX_CTL_MFB_16384; | 
|  | } | 
|  |  | 
|  | rxctl = asix_read_rx_ctl(dev); | 
|  | asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb); | 
|  |  | 
|  | medium = asix_read_medium_status(dev); | 
|  | if (dev->net->mtu > 1500) | 
|  | medium |= AX_MEDIUM_JFE; | 
|  | else | 
|  | medium &= ~AX_MEDIUM_JFE; | 
|  | asix_write_medium_mode(dev, medium); | 
|  |  | 
|  | if (dev->rx_urb_size > old_rx_urb_size) | 
|  | usbnet_unlink_rx_urbs(dev); | 
|  | } | 
|  |  | 
|  | static int ax88178_change_mtu(struct net_device *net, int new_mtu) | 
|  | { | 
|  | struct usbnet *dev = netdev_priv(net); | 
|  | int ll_mtu = new_mtu + net->hard_header_len + 4; | 
|  |  | 
|  | devdbg(dev, "ax88178_change_mtu() new_mtu=%d", new_mtu); | 
|  |  | 
|  | if (new_mtu <= 0 || ll_mtu > 16384) | 
|  | return -EINVAL; | 
|  |  | 
|  | if ((ll_mtu % dev->maxpacket) == 0) | 
|  | return -EDOM; | 
|  |  | 
|  | net->mtu = new_mtu; | 
|  | dev->hard_mtu = net->mtu + net->hard_header_len; | 
|  | ax88178_set_mfb(dev); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf) | 
|  | { | 
|  | struct asix_data *data = (struct asix_data *)&dev->data; | 
|  | int ret; | 
|  | void *buf; | 
|  | u16 eeprom; | 
|  | int gpio0 = 0; | 
|  | u32 phyid; | 
|  |  | 
|  | usbnet_get_endpoints(dev,intf); | 
|  |  | 
|  | buf = kmalloc(6, GFP_KERNEL); | 
|  | if(!buf) { | 
|  | dbg ("Cannot allocate memory for buffer"); | 
|  | ret = -ENOMEM; | 
|  | goto out1; | 
|  | } | 
|  |  | 
|  | eeprom = 0; | 
|  | asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &eeprom); | 
|  | dbg("GPIO Status: 0x%04x", eeprom); | 
|  |  | 
|  | asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL); | 
|  | asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom); | 
|  | asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL); | 
|  |  | 
|  | dbg("EEPROM index 0x17 is 0x%04x", eeprom); | 
|  |  | 
|  | if (eeprom == 0xffff) { | 
|  | data->phymode = PHY_MODE_MARVELL; | 
|  | data->ledmode = 0; | 
|  | gpio0 = 1; | 
|  | } else { | 
|  | data->phymode = eeprom & 7; | 
|  | data->ledmode = eeprom >> 8; | 
|  | gpio0 = (eeprom & 0x80) ? 0 : 1; | 
|  | } | 
|  | dbg("GPIO0: %d, PhyMode: %d", gpio0, data->phymode); | 
|  |  | 
|  | asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | AX_GPIO_GPO1EN, 40); | 
|  | if ((eeprom >> 8) != 1) { | 
|  | asix_write_gpio(dev, 0x003c, 30); | 
|  | asix_write_gpio(dev, 0x001c, 300); | 
|  | asix_write_gpio(dev, 0x003c, 30); | 
|  | } else { | 
|  | dbg("gpio phymode == 1 path"); | 
|  | asix_write_gpio(dev, AX_GPIO_GPO1EN, 30); | 
|  | asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30); | 
|  | } | 
|  |  | 
|  | asix_sw_reset(dev, 0); | 
|  | msleep(150); | 
|  |  | 
|  | asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD); | 
|  | msleep(150); | 
|  |  | 
|  | asix_write_rx_ctl(dev, 0); | 
|  |  | 
|  | /* Get the MAC address */ | 
|  | memset(buf, 0, ETH_ALEN); | 
|  | if ((ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, | 
|  | 0, 0, ETH_ALEN, buf)) < 0) { | 
|  | dbg("Failed to read MAC address: %d", ret); | 
|  | goto out2; | 
|  | } | 
|  | memcpy(dev->net->dev_addr, buf, ETH_ALEN); | 
|  |  | 
|  | /* Initialize MII structure */ | 
|  | dev->mii.dev = dev->net; | 
|  | dev->mii.mdio_read = asix_mdio_read; | 
|  | dev->mii.mdio_write = asix_mdio_write; | 
|  | dev->mii.phy_id_mask = 0x1f; | 
|  | dev->mii.reg_num_mask = 0xff; | 
|  | dev->mii.supports_gmii = 1; | 
|  | dev->net->do_ioctl = asix_ioctl; | 
|  | dev->mii.phy_id = asix_get_phy_addr(dev); | 
|  | dev->net->set_multicast_list = asix_set_multicast; | 
|  | dev->net->ethtool_ops = &ax88178_ethtool_ops; | 
|  | dev->net->change_mtu = &ax88178_change_mtu; | 
|  |  | 
|  | phyid = asix_get_phyid(dev); | 
|  | dbg("PHYID=0x%08x", phyid); | 
|  |  | 
|  | if (data->phymode == PHY_MODE_MARVELL) { | 
|  | marvell_phy_init(dev); | 
|  | msleep(60); | 
|  | } | 
|  |  | 
|  | asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, | 
|  | BMCR_RESET | BMCR_ANENABLE); | 
|  | asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, | 
|  | ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP); | 
|  | asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000, | 
|  | ADVERTISE_1000FULL); | 
|  |  | 
|  | mii_nway_restart(&dev->mii); | 
|  |  | 
|  | if ((ret = asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT)) < 0) | 
|  | goto out2; | 
|  |  | 
|  | if ((ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL)) < 0) | 
|  | goto out2; | 
|  |  | 
|  | kfree(buf); | 
|  |  | 
|  | /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */ | 
|  | if (dev->driver_info->flags & FLAG_FRAMING_AX) { | 
|  | /* hard_mtu  is still the default - the device does not support | 
|  | jumbo eth frames */ | 
|  | dev->rx_urb_size = 2048; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  |  | 
|  | out2: | 
|  | kfree(buf); | 
|  | out1: | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static const struct driver_info ax8817x_info = { | 
|  | .description = "ASIX AX8817x USB 2.0 Ethernet", | 
|  | .bind = ax88172_bind, | 
|  | .status = asix_status, | 
|  | .link_reset = ax88172_link_reset, | 
|  | .reset = ax88172_link_reset, | 
|  | .flags =  FLAG_ETHER, | 
|  | .data = 0x00130103, | 
|  | }; | 
|  |  | 
|  | static const struct driver_info dlink_dub_e100_info = { | 
|  | .description = "DLink DUB-E100 USB Ethernet", | 
|  | .bind = ax88172_bind, | 
|  | .status = asix_status, | 
|  | .link_reset = ax88172_link_reset, | 
|  | .reset = ax88172_link_reset, | 
|  | .flags =  FLAG_ETHER, | 
|  | .data = 0x009f9d9f, | 
|  | }; | 
|  |  | 
|  | static const struct driver_info netgear_fa120_info = { | 
|  | .description = "Netgear FA-120 USB Ethernet", | 
|  | .bind = ax88172_bind, | 
|  | .status = asix_status, | 
|  | .link_reset = ax88172_link_reset, | 
|  | .reset = ax88172_link_reset, | 
|  | .flags =  FLAG_ETHER, | 
|  | .data = 0x00130103, | 
|  | }; | 
|  |  | 
|  | static const struct driver_info hawking_uf200_info = { | 
|  | .description = "Hawking UF200 USB Ethernet", | 
|  | .bind = ax88172_bind, | 
|  | .status = asix_status, | 
|  | .link_reset = ax88172_link_reset, | 
|  | .reset = ax88172_link_reset, | 
|  | .flags =  FLAG_ETHER, | 
|  | .data = 0x001f1d1f, | 
|  | }; | 
|  |  | 
|  | static const struct driver_info ax88772_info = { | 
|  | .description = "ASIX AX88772 USB 2.0 Ethernet", | 
|  | .bind = ax88772_bind, | 
|  | .status = asix_status, | 
|  | .link_reset = ax88772_link_reset, | 
|  | .reset = ax88772_link_reset, | 
|  | .flags = FLAG_ETHER | FLAG_FRAMING_AX, | 
|  | .rx_fixup = asix_rx_fixup, | 
|  | .tx_fixup = asix_tx_fixup, | 
|  | }; | 
|  |  | 
|  | static const struct driver_info ax88178_info = { | 
|  | .description = "ASIX AX88178 USB 2.0 Ethernet", | 
|  | .bind = ax88178_bind, | 
|  | .status = asix_status, | 
|  | .link_reset = ax88178_link_reset, | 
|  | .reset = ax88178_link_reset, | 
|  | .flags = FLAG_ETHER | FLAG_FRAMING_AX, | 
|  | .rx_fixup = asix_rx_fixup, | 
|  | .tx_fixup = asix_tx_fixup, | 
|  | }; | 
|  |  | 
|  | static const struct usb_device_id	products [] = { | 
|  | { | 
|  | // Linksys USB200M | 
|  | USB_DEVICE (0x077b, 0x2226), | 
|  | .driver_info =	(unsigned long) &ax8817x_info, | 
|  | }, { | 
|  | // Netgear FA120 | 
|  | USB_DEVICE (0x0846, 0x1040), | 
|  | .driver_info =  (unsigned long) &netgear_fa120_info, | 
|  | }, { | 
|  | // DLink DUB-E100 | 
|  | USB_DEVICE (0x2001, 0x1a00), | 
|  | .driver_info =  (unsigned long) &dlink_dub_e100_info, | 
|  | }, { | 
|  | // Intellinet, ST Lab USB Ethernet | 
|  | USB_DEVICE (0x0b95, 0x1720), | 
|  | .driver_info =  (unsigned long) &ax8817x_info, | 
|  | }, { | 
|  | // Hawking UF200, TrendNet TU2-ET100 | 
|  | USB_DEVICE (0x07b8, 0x420a), | 
|  | .driver_info =  (unsigned long) &hawking_uf200_info, | 
|  | }, { | 
|  | // Billionton Systems, USB2AR | 
|  | USB_DEVICE (0x08dd, 0x90ff), | 
|  | .driver_info =  (unsigned long) &ax8817x_info, | 
|  | }, { | 
|  | // ATEN UC210T | 
|  | USB_DEVICE (0x0557, 0x2009), | 
|  | .driver_info =  (unsigned long) &ax8817x_info, | 
|  | }, { | 
|  | // Buffalo LUA-U2-KTX | 
|  | USB_DEVICE (0x0411, 0x003d), | 
|  | .driver_info =  (unsigned long) &ax8817x_info, | 
|  | }, { | 
|  | // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter" | 
|  | USB_DEVICE (0x6189, 0x182d), | 
|  | .driver_info =  (unsigned long) &ax8817x_info, | 
|  | }, { | 
|  | // corega FEther USB2-TX | 
|  | USB_DEVICE (0x07aa, 0x0017), | 
|  | .driver_info =  (unsigned long) &ax8817x_info, | 
|  | }, { | 
|  | // Surecom EP-1427X-2 | 
|  | USB_DEVICE (0x1189, 0x0893), | 
|  | .driver_info = (unsigned long) &ax8817x_info, | 
|  | }, { | 
|  | // goodway corp usb gwusb2e | 
|  | USB_DEVICE (0x1631, 0x6200), | 
|  | .driver_info = (unsigned long) &ax8817x_info, | 
|  | }, { | 
|  | // ASIX AX88772 10/100 | 
|  | USB_DEVICE (0x0b95, 0x7720), | 
|  | .driver_info = (unsigned long) &ax88772_info, | 
|  | }, { | 
|  | // ASIX AX88178 10/100/1000 | 
|  | USB_DEVICE (0x0b95, 0x1780), | 
|  | .driver_info = (unsigned long) &ax88178_info, | 
|  | }, { | 
|  | // Linksys USB200M Rev 2 | 
|  | USB_DEVICE (0x13b1, 0x0018), | 
|  | .driver_info = (unsigned long) &ax88772_info, | 
|  | }, { | 
|  | // 0Q0 cable ethernet | 
|  | USB_DEVICE (0x1557, 0x7720), | 
|  | .driver_info = (unsigned long) &ax88772_info, | 
|  | }, { | 
|  | // DLink DUB-E100 H/W Ver B1 | 
|  | USB_DEVICE (0x07d1, 0x3c05), | 
|  | .driver_info = (unsigned long) &ax88772_info, | 
|  | }, { | 
|  | // DLink DUB-E100 H/W Ver B1 Alternate | 
|  | USB_DEVICE (0x2001, 0x3c05), | 
|  | .driver_info = (unsigned long) &ax88772_info, | 
|  | }, { | 
|  | // Linksys USB1000 | 
|  | USB_DEVICE (0x1737, 0x0039), | 
|  | .driver_info = (unsigned long) &ax88178_info, | 
|  | }, { | 
|  | // IO-DATA ETG-US2 | 
|  | USB_DEVICE (0x04bb, 0x0930), | 
|  | .driver_info = (unsigned long) &ax88178_info, | 
|  | }, | 
|  | { },		// END | 
|  | }; | 
|  | MODULE_DEVICE_TABLE(usb, products); | 
|  |  | 
|  | static struct usb_driver asix_driver = { | 
|  | .name =		"asix", | 
|  | .id_table =	products, | 
|  | .probe =	usbnet_probe, | 
|  | .suspend =	usbnet_suspend, | 
|  | .resume =	usbnet_resume, | 
|  | .disconnect =	usbnet_disconnect, | 
|  | }; | 
|  |  | 
|  | static int __init asix_init(void) | 
|  | { | 
|  | return usb_register(&asix_driver); | 
|  | } | 
|  | module_init(asix_init); | 
|  |  | 
|  | static void __exit asix_exit(void) | 
|  | { | 
|  | usb_deregister(&asix_driver); | 
|  | } | 
|  | module_exit(asix_exit); | 
|  |  | 
|  | MODULE_AUTHOR("David Hollis"); | 
|  | MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices"); | 
|  | MODULE_LICENSE("GPL"); | 
|  |  |