/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* ASIX AX8817X based USB 2.0 Ethernet Devices
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* Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
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* Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
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* Copyright (C) 2006 James Painter <jamie.painter@iname.com>
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* Copyright (c) 2002-2003 TiVo Inc.
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*/
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#ifndef _ASIX_H
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#define _ASIX_H
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// #define DEBUG // error path messages, extra info
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// #define VERBOSE // more; success messages
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#include <linux/module.h>
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#include <linux/kmod.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/ethtool.h>
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#include <linux/workqueue.h>
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#include <linux/mii.h>
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#include <linux/usb.h>
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#include <linux/crc32.h>
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#include <linux/usb/usbnet.h>
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#include <linux/slab.h>
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#include <linux/if_vlan.h>
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#define DRIVER_VERSION "22-Dec-2011"
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#define DRIVER_NAME "asix"
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/* ASIX AX8817X based USB 2.0 Ethernet Devices */
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#define AX_CMD_SET_SW_MII 0x06
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#define AX_CMD_READ_MII_REG 0x07
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#define AX_CMD_WRITE_MII_REG 0x08
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#define AX_CMD_STATMNGSTS_REG 0x09
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#define AX_CMD_SET_HW_MII 0x0a
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#define AX_CMD_READ_EEPROM 0x0b
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#define AX_CMD_WRITE_EEPROM 0x0c
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#define AX_CMD_WRITE_ENABLE 0x0d
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#define AX_CMD_WRITE_DISABLE 0x0e
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#define AX_CMD_READ_RX_CTL 0x0f
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#define AX_CMD_WRITE_RX_CTL 0x10
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#define AX_CMD_READ_IPG012 0x11
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#define AX_CMD_WRITE_IPG0 0x12
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#define AX_CMD_WRITE_IPG1 0x13
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#define AX_CMD_READ_NODE_ID 0x13
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#define AX_CMD_WRITE_NODE_ID 0x14
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#define AX_CMD_WRITE_IPG2 0x14
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#define AX_CMD_WRITE_MULTI_FILTER 0x16
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#define AX88172_CMD_READ_NODE_ID 0x17
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#define AX_CMD_READ_PHY_ID 0x19
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#define AX_CMD_READ_MEDIUM_STATUS 0x1a
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#define AX_CMD_WRITE_MEDIUM_MODE 0x1b
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#define AX_CMD_READ_MONITOR_MODE 0x1c
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#define AX_CMD_WRITE_MONITOR_MODE 0x1d
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#define AX_CMD_READ_GPIOS 0x1e
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#define AX_CMD_WRITE_GPIOS 0x1f
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#define AX_CMD_SW_RESET 0x20
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#define AX_CMD_SW_PHY_STATUS 0x21
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#define AX_CMD_SW_PHY_SELECT 0x22
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#define AX_QCTCTRL 0x2A
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#define AX_CHIPCODE_MASK 0x70
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#define AX_AX88772_CHIPCODE 0x00
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#define AX_AX88772A_CHIPCODE 0x10
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#define AX_AX88772B_CHIPCODE 0x20
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#define AX_HOST_EN 0x01
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#define AX_PHYSEL_PSEL 0x01
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#define AX_PHYSEL_SSMII 0
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#define AX_PHYSEL_SSEN 0x10
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#define AX_PHY_SELECT_MASK (BIT(3) | BIT(2))
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#define AX_PHY_SELECT_INTERNAL 0
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#define AX_PHY_SELECT_EXTERNAL BIT(2)
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#define AX_MONITOR_MODE 0x01
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#define AX_MONITOR_LINK 0x02
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#define AX_MONITOR_MAGIC 0x04
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#define AX_MONITOR_HSFS 0x10
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/* AX88172 Medium Status Register values */
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#define AX88172_MEDIUM_FD 0x02
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#define AX88172_MEDIUM_TX 0x04
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#define AX88172_MEDIUM_FC 0x10
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#define AX88172_MEDIUM_DEFAULT \
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( AX88172_MEDIUM_FD | AX88172_MEDIUM_TX | AX88172_MEDIUM_FC )
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#define AX_MCAST_FILTER_SIZE 8
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#define AX_MAX_MCAST 64
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#define AX_SWRESET_CLEAR 0x00
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#define AX_SWRESET_RR 0x01
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#define AX_SWRESET_RT 0x02
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#define AX_SWRESET_PRTE 0x04
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#define AX_SWRESET_PRL 0x08
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#define AX_SWRESET_BZ 0x10
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#define AX_SWRESET_IPRL 0x20
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#define AX_SWRESET_IPPD 0x40
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#define AX88772_IPG0_DEFAULT 0x15
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#define AX88772_IPG1_DEFAULT 0x0c
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#define AX88772_IPG2_DEFAULT 0x12
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/* AX88772 & AX88178 Medium Mode Register */
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#define AX_MEDIUM_PF 0x0080
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#define AX_MEDIUM_JFE 0x0040
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#define AX_MEDIUM_TFC 0x0020
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#define AX_MEDIUM_RFC 0x0010
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#define AX_MEDIUM_ENCK 0x0008
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#define AX_MEDIUM_AC 0x0004
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#define AX_MEDIUM_FD 0x0002
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#define AX_MEDIUM_GM 0x0001
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#define AX_MEDIUM_SM 0x1000
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#define AX_MEDIUM_SBP 0x0800
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#define AX_MEDIUM_PS 0x0200
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#define AX_MEDIUM_RE 0x0100
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#define AX88178_MEDIUM_DEFAULT \
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(AX_MEDIUM_PS | AX_MEDIUM_FD | AX_MEDIUM_AC | \
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AX_MEDIUM_RFC | AX_MEDIUM_TFC | AX_MEDIUM_JFE | \
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AX_MEDIUM_RE)
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#define AX88772_MEDIUM_DEFAULT \
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(AX_MEDIUM_FD | AX_MEDIUM_RFC | \
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AX_MEDIUM_TFC | AX_MEDIUM_PS | \
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AX_MEDIUM_AC | AX_MEDIUM_RE)
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/* AX88772 & AX88178 RX_CTL values */
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#define AX_RX_CTL_SO 0x0080
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#define AX_RX_CTL_AP 0x0020
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#define AX_RX_CTL_AM 0x0010
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#define AX_RX_CTL_AB 0x0008
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#define AX_RX_CTL_SEP 0x0004
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#define AX_RX_CTL_AMALL 0x0002
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#define AX_RX_CTL_PRO 0x0001
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#define AX_RX_CTL_MFB_2048 0x0000
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#define AX_RX_CTL_MFB_4096 0x0100
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#define AX_RX_CTL_MFB_8192 0x0200
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#define AX_RX_CTL_MFB_16384 0x0300
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#define AX_DEFAULT_RX_CTL (AX_RX_CTL_SO | AX_RX_CTL_AB)
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/* GPIO 0 .. 2 toggles */
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#define AX_GPIO_GPO0EN 0x01 /* GPIO0 Output enable */
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#define AX_GPIO_GPO_0 0x02 /* GPIO0 Output value */
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#define AX_GPIO_GPO1EN 0x04 /* GPIO1 Output enable */
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#define AX_GPIO_GPO_1 0x08 /* GPIO1 Output value */
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#define AX_GPIO_GPO2EN 0x10 /* GPIO2 Output enable */
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#define AX_GPIO_GPO_2 0x20 /* GPIO2 Output value */
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#define AX_GPIO_RESERVED 0x40 /* Reserved */
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#define AX_GPIO_RSE 0x80 /* Reload serial EEPROM */
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#define AX_EEPROM_MAGIC 0xdeadbeef
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#define AX_EEPROM_LEN 0x200
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/* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
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struct asix_data {
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u8 multi_filter[AX_MCAST_FILTER_SIZE];
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u8 mac_addr[ETH_ALEN];
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u8 phymode;
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u8 ledmode;
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u8 res;
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};
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struct asix_rx_fixup_info {
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struct sk_buff *ax_skb;
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u32 header;
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u16 remaining;
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bool split_head;
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};
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struct asix_common_private {
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void (*resume)(struct usbnet *dev);
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void (*suspend)(struct usbnet *dev);
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u16 presvd_phy_advertise;
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u16 presvd_phy_bmcr;
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struct asix_rx_fixup_info rx_fixup_info;
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};
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extern const struct driver_info ax88172a_info;
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/* ASIX specific flags */
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#define FLAG_EEPROM_MAC (1UL << 0) /* init device MAC from eeprom */
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int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
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u16 size, void *data, int in_pm);
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int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
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u16 size, void *data, int in_pm);
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void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
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u16 index, u16 size, void *data);
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int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
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struct asix_rx_fixup_info *rx);
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int asix_rx_fixup_common(struct usbnet *dev, struct sk_buff *skb);
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void asix_rx_fixup_common_free(struct asix_common_private *dp);
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struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
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gfp_t flags);
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int asix_set_sw_mii(struct usbnet *dev, int in_pm);
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int asix_set_hw_mii(struct usbnet *dev, int in_pm);
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int asix_read_phy_addr(struct usbnet *dev, int internal);
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int asix_get_phy_addr(struct usbnet *dev);
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int asix_sw_reset(struct usbnet *dev, u8 flags, int in_pm);
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u16 asix_read_rx_ctl(struct usbnet *dev, int in_pm);
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int asix_write_rx_ctl(struct usbnet *dev, u16 mode, int in_pm);
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u16 asix_read_medium_status(struct usbnet *dev, int in_pm);
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int asix_write_medium_mode(struct usbnet *dev, u16 mode, int in_pm);
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int asix_write_gpio(struct usbnet *dev, u16 value, int sleep, int in_pm);
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void asix_set_multicast(struct net_device *net);
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int asix_mdio_read(struct net_device *netdev, int phy_id, int loc);
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void asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val);
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int asix_mdio_read_nopm(struct net_device *netdev, int phy_id, int loc);
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void asix_mdio_write_nopm(struct net_device *netdev, int phy_id, int loc,
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int val);
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void asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo);
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int asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo);
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int asix_get_eeprom_len(struct net_device *net);
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int asix_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
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u8 *data);
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int asix_set_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
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u8 *data);
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void asix_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info);
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int asix_set_mac_address(struct net_device *net, void *p);
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#endif /* _ASIX_H */
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