/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* linux/mii.h: definitions for MII-compatible transceivers
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* Originally drivers/net/sunhme.h.
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*
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* Copyright (C) 1996, 1999, 2001 David S. Miller (davem@redhat.com)
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*/
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#ifndef _UAPI__LINUX_MII_H__
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#define _UAPI__LINUX_MII_H__
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#include <linux/types.h>
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#include <linux/ethtool.h>
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/* Generic MII registers. */
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#define MII_BMCR 0x00 /* Basic mode control register */
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#define MII_BMSR 0x01 /* Basic mode status register */
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#define MII_PHYSID1 0x02 /* PHYS ID 1 */
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#define MII_PHYSID2 0x03 /* PHYS ID 2 */
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#define MII_ADVERTISE 0x04 /* Advertisement control reg */
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#define MII_LPA 0x05 /* Link partner ability reg */
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#define MII_EXPANSION 0x06 /* Expansion register */
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#define MII_CTRL1000 0x09 /* 1000BASE-T control */
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#define MII_STAT1000 0x0a /* 1000BASE-T status */
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#define MII_MMD_CTRL 0x0d /* MMD Access Control Register */
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#define MII_MMD_DATA 0x0e /* MMD Access Data Register */
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#define MII_ESTATUS 0x0f /* Extended Status */
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#define MII_DCOUNTER 0x12 /* Disconnect counter */
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#define MII_FCSCOUNTER 0x13 /* False carrier counter */
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#define MII_NWAYTEST 0x14 /* N-way auto-neg test reg */
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#define MII_RERRCOUNTER 0x15 /* Receive error counter */
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#define MII_SREVISION 0x16 /* Silicon revision */
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#define MII_RESV1 0x17 /* Reserved... */
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#define MII_LBRERROR 0x18 /* Lpback, rx, bypass error */
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#define MII_PHYADDR 0x19 /* PHY address */
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#define MII_RESV2 0x1a /* Reserved... */
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#define MII_TPISTATUS 0x1b /* TPI status for 10mbps */
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#define MII_NCONFIG 0x1c /* Network interface config */
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/* Basic mode control register. */
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#define BMCR_RESV 0x003f /* Unused... */
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#define BMCR_SPEED1000 0x0040 /* MSB of Speed (1000) */
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#define BMCR_CTST 0x0080 /* Collision test */
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#define BMCR_FULLDPLX 0x0100 /* Full duplex */
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#define BMCR_ANRESTART 0x0200 /* Auto negotiation restart */
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#define BMCR_ISOLATE 0x0400 /* Isolate data paths from MII */
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#define BMCR_PDOWN 0x0800 /* Enable low power state */
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#define BMCR_ANENABLE 0x1000 /* Enable auto negotiation */
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#define BMCR_SPEED100 0x2000 /* Select 100Mbps */
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#define BMCR_LOOPBACK 0x4000 /* TXD loopback bits */
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#define BMCR_RESET 0x8000 /* Reset to default state */
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#define BMCR_SPEED10 0x0000 /* Select 10Mbps */
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/* Basic mode status register. */
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#define BMSR_ERCAP 0x0001 /* Ext-reg capability */
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#define BMSR_JCD 0x0002 /* Jabber detected */
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#define BMSR_LSTATUS 0x0004 /* Link status */
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#define BMSR_ANEGCAPABLE 0x0008 /* Able to do auto-negotiation */
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#define BMSR_RFAULT 0x0010 /* Remote fault detected */
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#define BMSR_ANEGCOMPLETE 0x0020 /* Auto-negotiation complete */
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#define BMSR_RESV 0x00c0 /* Unused... */
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#define BMSR_ESTATEN 0x0100 /* Extended Status in R15 */
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#define BMSR_100HALF2 0x0200 /* Can do 100BASE-T2 HDX */
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#define BMSR_100FULL2 0x0400 /* Can do 100BASE-T2 FDX */
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#define BMSR_10HALF 0x0800 /* Can do 10mbps, half-duplex */
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#define BMSR_10FULL 0x1000 /* Can do 10mbps, full-duplex */
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#define BMSR_100HALF 0x2000 /* Can do 100mbps, half-duplex */
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#define BMSR_100FULL 0x4000 /* Can do 100mbps, full-duplex */
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#define BMSR_100BASE4 0x8000 /* Can do 100mbps, 4k packets */
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/* Advertisement control register. */
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#define ADVERTISE_SLCT 0x001f /* Selector bits */
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#define ADVERTISE_CSMA 0x0001 /* Only selector supported */
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#define ADVERTISE_10HALF 0x0020 /* Try for 10mbps half-duplex */
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#define ADVERTISE_1000XFULL 0x0020 /* Try for 1000BASE-X full-duplex */
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#define ADVERTISE_10FULL 0x0040 /* Try for 10mbps full-duplex */
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#define ADVERTISE_1000XHALF 0x0040 /* Try for 1000BASE-X half-duplex */
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#define ADVERTISE_100HALF 0x0080 /* Try for 100mbps half-duplex */
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#define ADVERTISE_1000XPAUSE 0x0080 /* Try for 1000BASE-X pause */
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#define ADVERTISE_100FULL 0x0100 /* Try for 100mbps full-duplex */
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#define ADVERTISE_1000XPSE_ASYM 0x0100 /* Try for 1000BASE-X asym pause */
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#define ADVERTISE_100BASE4 0x0200 /* Try for 100mbps 4k packets */
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#define ADVERTISE_PAUSE_CAP 0x0400 /* Try for pause */
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#define ADVERTISE_PAUSE_ASYM 0x0800 /* Try for asymetric pause */
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#define ADVERTISE_RESV 0x1000 /* Unused... */
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#define ADVERTISE_RFAULT 0x2000 /* Say we can detect faults */
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#define ADVERTISE_LPACK 0x4000 /* Ack link partners response */
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#define ADVERTISE_NPAGE 0x8000 /* Next page bit */
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#define ADVERTISE_FULL (ADVERTISE_100FULL | ADVERTISE_10FULL | \
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ADVERTISE_CSMA)
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#define ADVERTISE_ALL (ADVERTISE_10HALF | ADVERTISE_10FULL | \
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ADVERTISE_100HALF | ADVERTISE_100FULL)
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/* Link partner ability register. */
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#define LPA_SLCT 0x001f /* Same as advertise selector */
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#define LPA_10HALF 0x0020 /* Can do 10mbps half-duplex */
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#define LPA_1000XFULL 0x0020 /* Can do 1000BASE-X full-duplex */
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#define LPA_10FULL 0x0040 /* Can do 10mbps full-duplex */
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#define LPA_1000XHALF 0x0040 /* Can do 1000BASE-X half-duplex */
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#define LPA_100HALF 0x0080 /* Can do 100mbps half-duplex */
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#define LPA_1000XPAUSE 0x0080 /* Can do 1000BASE-X pause */
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#define LPA_100FULL 0x0100 /* Can do 100mbps full-duplex */
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#define LPA_1000XPAUSE_ASYM 0x0100 /* Can do 1000BASE-X pause asym*/
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#define LPA_100BASE4 0x0200 /* Can do 100mbps 4k packets */
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#define LPA_PAUSE_CAP 0x0400 /* Can pause */
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#define LPA_PAUSE_ASYM 0x0800 /* Can pause asymetrically */
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#define LPA_RESV 0x1000 /* Unused... */
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#define LPA_RFAULT 0x2000 /* Link partner faulted */
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#define LPA_LPACK 0x4000 /* Link partner acked us */
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#define LPA_NPAGE 0x8000 /* Next page bit */
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#define LPA_DUPLEX (LPA_10FULL | LPA_100FULL)
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#define LPA_100 (LPA_100FULL | LPA_100HALF | LPA_100BASE4)
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/* Expansion register for auto-negotiation. */
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#define EXPANSION_NWAY 0x0001 /* Can do N-way auto-nego */
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#define EXPANSION_LCWP 0x0002 /* Got new RX page code word */
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#define EXPANSION_ENABLENPAGE 0x0004 /* This enables npage words */
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#define EXPANSION_NPCAPABLE 0x0008 /* Link partner supports npage */
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#define EXPANSION_MFAULTS 0x0010 /* Multiple faults detected */
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#define EXPANSION_RESV 0xffe0 /* Unused... */
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#define ESTATUS_1000_XFULL 0x8000 /* Can do 1000BaseX Full */
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#define ESTATUS_1000_XHALF 0x4000 /* Can do 1000BaseX Half */
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#define ESTATUS_1000_TFULL 0x2000 /* Can do 1000BT Full */
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#define ESTATUS_1000_THALF 0x1000 /* Can do 1000BT Half */
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/* N-way test register. */
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#define NWAYTEST_RESV1 0x00ff /* Unused... */
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#define NWAYTEST_LOOPBACK 0x0100 /* Enable loopback for N-way */
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#define NWAYTEST_RESV2 0xfe00 /* Unused... */
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/* MAC and PHY tx_config_Reg[15:0] for SGMII in-band auto-negotiation.*/
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#define ADVERTISE_SGMII 0x0001 /* MAC can do SGMII */
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#define LPA_SGMII 0x0001 /* PHY can do SGMII */
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#define LPA_SGMII_SPD_MASK 0x0c00 /* SGMII speed mask */
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#define LPA_SGMII_FULL_DUPLEX 0x1000 /* SGMII full duplex */
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#define LPA_SGMII_DPX_SPD_MASK 0x1C00 /* SGMII duplex and speed bits */
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#define LPA_SGMII_10 0x0000 /* 10Mbps */
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#define LPA_SGMII_10HALF 0x0000 /* Can do 10mbps half-duplex */
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#define LPA_SGMII_10FULL 0x1000 /* Can do 10mbps full-duplex */
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#define LPA_SGMII_100 0x0400 /* 100Mbps */
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#define LPA_SGMII_100HALF 0x0400 /* Can do 100mbps half-duplex */
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#define LPA_SGMII_100FULL 0x1400 /* Can do 100mbps full-duplex */
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#define LPA_SGMII_1000 0x0800 /* 1000Mbps */
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#define LPA_SGMII_1000HALF 0x0800 /* Can do 1000mbps half-duplex */
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#define LPA_SGMII_1000FULL 0x1800 /* Can do 1000mbps full-duplex */
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#define LPA_SGMII_LINK 0x8000 /* PHY link with copper-side partner */
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/* 1000BASE-T Control register */
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#define ADVERTISE_1000FULL 0x0200 /* Advertise 1000BASE-T full duplex */
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#define ADVERTISE_1000HALF 0x0100 /* Advertise 1000BASE-T half duplex */
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#define CTL1000_PREFER_MASTER 0x0400 /* prefer to operate as master */
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#define CTL1000_AS_MASTER 0x0800
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#define CTL1000_ENABLE_MASTER 0x1000
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/* 1000BASE-T Status register */
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#define LPA_1000MSFAIL 0x8000 /* Master/Slave resolution failure */
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#define LPA_1000MSRES 0x4000 /* Master/Slave resolution status */
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#define LPA_1000LOCALRXOK 0x2000 /* Link partner local receiver status */
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#define LPA_1000REMRXOK 0x1000 /* Link partner remote receiver status */
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#define LPA_1000FULL 0x0800 /* Link partner 1000BASE-T full duplex */
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#define LPA_1000HALF 0x0400 /* Link partner 1000BASE-T half duplex */
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/* Flow control flags */
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#define FLOW_CTRL_TX 0x01
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#define FLOW_CTRL_RX 0x02
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/* MMD Access Control register fields */
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#define MII_MMD_CTRL_DEVAD_MASK 0x1f /* Mask MMD DEVAD*/
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#define MII_MMD_CTRL_ADDR 0x0000 /* Address */
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#define MII_MMD_CTRL_NOINCR 0x4000 /* no post increment */
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#define MII_MMD_CTRL_INCR_RDWT 0x8000 /* post increment on reads & writes */
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#define MII_MMD_CTRL_INCR_ON_WT 0xC000 /* post increment on writes only */
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/* This structure is used in all SIOCxMIIxxx ioctl calls */
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struct mii_ioctl_data {
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__u16 phy_id;
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__u16 reg_num;
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__u16 val_in;
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__u16 val_out;
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};
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#endif /* _UAPI__LINUX_MII_H__ */
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