--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * linux/mdio.h: definitions for MDIO (clause 45) transceivers
+ * Copyright 2006-2009 Solarflare Communications Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+#ifndef __LINUX_MDIO_H__
+#define __LINUX_MDIO_H__
+
+#include <linux/types.h>
+#include <linux/mii.h>
+
+/* MDIO Manageable Devices (MMDs). */
+#define MDIO_MMD_PMAPMD 1 /* Physical Medium Attachment/
+ * Physical Medium Dependent */
+#define MDIO_MMD_WIS 2 /* WAN Interface Sublayer */
+#define MDIO_MMD_PCS 3 /* Physical Coding Sublayer */
+#define MDIO_MMD_PHYXS 4 /* PHY Extender Sublayer */
+#define MDIO_MMD_DTEXS 5 /* DTE Extender Sublayer */
+#define MDIO_MMD_TC 6 /* Transmission Convergence */
+#define MDIO_MMD_AN 7 /* Auto-Negotiation */
+#define MDIO_MMD_C22EXT 29 /* Clause 22 extension */
+#define MDIO_MMD_VEND1 30 /* Vendor specific 1 */
+#define MDIO_MMD_VEND2 31 /* Vendor specific 2 */
+
+/* Generic MDIO registers. */
+#define MDIO_CTRL1 MII_BMCR
+#define MDIO_STAT1 MII_BMSR
+#define MDIO_DEVID1 MII_PHYSID1
+#define MDIO_DEVID2 MII_PHYSID2
+#define MDIO_SPEED 4 /* Speed ability */
+#define MDIO_DEVS1 5 /* Devices in package */
+#define MDIO_DEVS2 6
+#define MDIO_CTRL2 7 /* 10G control 2 */
+#define MDIO_STAT2 8 /* 10G status 2 */
+#define MDIO_PMA_TXDIS 9 /* 10G PMA/PMD transmit disable */
+#define MDIO_PMA_RXDET 10 /* 10G PMA/PMD receive signal detect */
+#define MDIO_PMA_EXTABLE 11 /* 10G PMA/PMD extended ability */
+#define MDIO_PKGID1 14 /* Package identifier */
+#define MDIO_PKGID2 15
+#define MDIO_AN_ADVERTISE 16 /* AN advertising (base page) */
+#define MDIO_AN_LPA 19 /* AN LP abilities (base page) */
+#define MDIO_PCS_EEE_ABLE 20 /* EEE Capability register */
+#define MDIO_PCS_EEE_WK_ERR 22 /* EEE wake error counter */
+#define MDIO_PHYXS_LNSTAT 24 /* PHY XGXS lane state */
+#define MDIO_AN_EEE_ADV 60 /* EEE advertisement */
+#define MDIO_AN_EEE_LPABLE 61 /* EEE link partner ability */
+
+/* Media-dependent registers. */
+#define MDIO_PMA_10GBT_SWAPPOL 130 /* 10GBASE-T pair swap & polarity */
+#define MDIO_PMA_10GBT_TXPWR 131 /* 10GBASE-T TX power control */
+#define MDIO_PMA_10GBT_SNR 133 /* 10GBASE-T SNR margin, lane A.
+ * Lanes B-D are numbered 134-136. */
+#define MDIO_PMA_10GBR_FECABLE 170 /* 10GBASE-R FEC ability */
+#define MDIO_PCS_10GBX_STAT1 24 /* 10GBASE-X PCS status 1 */
+#define MDIO_PCS_10GBRT_STAT1 32 /* 10GBASE-R/-T PCS status 1 */
+#define MDIO_PCS_10GBRT_STAT2 33 /* 10GBASE-R/-T PCS status 2 */
+#define MDIO_AN_10GBT_CTRL 32 /* 10GBASE-T auto-negotiation control */
+#define MDIO_AN_10GBT_STAT 33 /* 10GBASE-T auto-negotiation status */
+
+/* LASI (Link Alarm Status Interrupt) registers, defined by XENPAK MSA. */
+#define MDIO_PMA_LASI_RXCTRL 0x9000 /* RX_ALARM control */
+#define MDIO_PMA_LASI_TXCTRL 0x9001 /* TX_ALARM control */
+#define MDIO_PMA_LASI_CTRL 0x9002 /* LASI control */
+#define MDIO_PMA_LASI_RXSTAT 0x9003 /* RX_ALARM status */
+#define MDIO_PMA_LASI_TXSTAT 0x9004 /* TX_ALARM status */
+#define MDIO_PMA_LASI_STAT 0x9005 /* LASI status */
+
+/* Control register 1. */
+/* Enable extended speed selection */
+#define MDIO_CTRL1_SPEEDSELEXT (BMCR_SPEED1000 | BMCR_SPEED100)
+/* All speed selection bits */
+#define MDIO_CTRL1_SPEEDSEL (MDIO_CTRL1_SPEEDSELEXT | 0x003c)
+#define MDIO_CTRL1_FULLDPLX BMCR_FULLDPLX
+#define MDIO_CTRL1_LPOWER BMCR_PDOWN
+#define MDIO_CTRL1_RESET BMCR_RESET
+#define MDIO_PMA_CTRL1_LOOPBACK 0x0001
+#define MDIO_PMA_CTRL1_SPEED1000 BMCR_SPEED1000
+#define MDIO_PMA_CTRL1_SPEED100 BMCR_SPEED100
+#define MDIO_PCS_CTRL1_LOOPBACK BMCR_LOOPBACK
+#define MDIO_PHYXS_CTRL1_LOOPBACK BMCR_LOOPBACK
+#define MDIO_AN_CTRL1_RESTART BMCR_ANRESTART
+#define MDIO_AN_CTRL1_ENABLE BMCR_ANENABLE
+#define MDIO_AN_CTRL1_XNP 0x2000 /* Enable extended next page */
+#define MDIO_PCS_CTRL1_CLKSTOP_EN 0x400 /* Stop the clock during LPI */
+
+/* 10 Gb/s */
+#define MDIO_CTRL1_SPEED10G (MDIO_CTRL1_SPEEDSELEXT | 0x00)
+/* 10PASS-TS/2BASE-TL */
+#define MDIO_CTRL1_SPEED10P2B (MDIO_CTRL1_SPEEDSELEXT | 0x04)
+
+/* Status register 1. */
+#define MDIO_STAT1_LPOWERABLE 0x0002 /* Low-power ability */
+#define MDIO_STAT1_LSTATUS BMSR_LSTATUS
+#define MDIO_STAT1_FAULT 0x0080 /* Fault */
+#define MDIO_AN_STAT1_LPABLE 0x0001 /* Link partner AN ability */
+#define MDIO_AN_STAT1_ABLE BMSR_ANEGCAPABLE
+#define MDIO_AN_STAT1_RFAULT BMSR_RFAULT
+#define MDIO_AN_STAT1_COMPLETE BMSR_ANEGCOMPLETE
+#define MDIO_AN_STAT1_PAGE 0x0040 /* Page received */
+#define MDIO_AN_STAT1_XNP 0x0080 /* Extended next page status */
+
+/* Speed register. */
+#define MDIO_SPEED_10G 0x0001 /* 10G capable */
+#define MDIO_PMA_SPEED_2B 0x0002 /* 2BASE-TL capable */
+#define MDIO_PMA_SPEED_10P 0x0004 /* 10PASS-TS capable */
+#define MDIO_PMA_SPEED_1000 0x0010 /* 1000M capable */
+#define MDIO_PMA_SPEED_100 0x0020 /* 100M capable */
+#define MDIO_PMA_SPEED_10 0x0040 /* 10M capable */
+#define MDIO_PCS_SPEED_10P2B 0x0002 /* 10PASS-TS/2BASE-TL capable */
+
+/* Device present registers. */
+#define MDIO_DEVS_PRESENT(devad) (1 << (devad))
+#define MDIO_DEVS_PMAPMD MDIO_DEVS_PRESENT(MDIO_MMD_PMAPMD)
+#define MDIO_DEVS_WIS MDIO_DEVS_PRESENT(MDIO_MMD_WIS)
+#define MDIO_DEVS_PCS MDIO_DEVS_PRESENT(MDIO_MMD_PCS)
+#define MDIO_DEVS_PHYXS MDIO_DEVS_PRESENT(MDIO_MMD_PHYXS)
+#define MDIO_DEVS_DTEXS MDIO_DEVS_PRESENT(MDIO_MMD_DTEXS)
+#define MDIO_DEVS_TC MDIO_DEVS_PRESENT(MDIO_MMD_TC)
+#define MDIO_DEVS_AN MDIO_DEVS_PRESENT(MDIO_MMD_AN)
+#define MDIO_DEVS_C22EXT MDIO_DEVS_PRESENT(MDIO_MMD_C22EXT)
+
+/* Control register 2. */
+#define MDIO_PMA_CTRL2_TYPE 0x000f /* PMA/PMD type selection */
+#define MDIO_PMA_CTRL2_10GBCX4 0x0000 /* 10GBASE-CX4 type */
+#define MDIO_PMA_CTRL2_10GBEW 0x0001 /* 10GBASE-EW type */
+#define MDIO_PMA_CTRL2_10GBLW 0x0002 /* 10GBASE-LW type */
+#define MDIO_PMA_CTRL2_10GBSW 0x0003 /* 10GBASE-SW type */
+#define MDIO_PMA_CTRL2_10GBLX4 0x0004 /* 10GBASE-LX4 type */
+#define MDIO_PMA_CTRL2_10GBER 0x0005 /* 10GBASE-ER type */
+#define MDIO_PMA_CTRL2_10GBLR 0x0006 /* 10GBASE-LR type */
+#define MDIO_PMA_CTRL2_10GBSR 0x0007 /* 10GBASE-SR type */
+#define MDIO_PMA_CTRL2_10GBLRM 0x0008 /* 10GBASE-LRM type */
+#define MDIO_PMA_CTRL2_10GBT 0x0009 /* 10GBASE-T type */
+#define MDIO_PMA_CTRL2_10GBKX4 0x000a /* 10GBASE-KX4 type */
+#define MDIO_PMA_CTRL2_10GBKR 0x000b /* 10GBASE-KR type */
+#define MDIO_PMA_CTRL2_1000BT 0x000c /* 1000BASE-T type */
+#define MDIO_PMA_CTRL2_1000BKX 0x000d /* 1000BASE-KX type */
+#define MDIO_PMA_CTRL2_100BTX 0x000e /* 100BASE-TX type */
+#define MDIO_PMA_CTRL2_10BT 0x000f /* 10BASE-T type */
+#define MDIO_PCS_CTRL2_TYPE 0x0003 /* PCS type selection */
+#define MDIO_PCS_CTRL2_10GBR 0x0000 /* 10GBASE-R type */
+#define MDIO_PCS_CTRL2_10GBX 0x0001 /* 10GBASE-X type */
+#define MDIO_PCS_CTRL2_10GBW 0x0002 /* 10GBASE-W type */
+#define MDIO_PCS_CTRL2_10GBT 0x0003 /* 10GBASE-T type */
+
+/* Status register 2. */
+#define MDIO_STAT2_RXFAULT 0x0400 /* Receive fault */
+#define MDIO_STAT2_TXFAULT 0x0800 /* Transmit fault */
+#define MDIO_STAT2_DEVPRST 0xc000 /* Device present */
+#define MDIO_STAT2_DEVPRST_VAL 0x8000 /* Device present value */
+#define MDIO_PMA_STAT2_LBABLE 0x0001 /* PMA loopback ability */
+#define MDIO_PMA_STAT2_10GBEW 0x0002 /* 10GBASE-EW ability */
+#define MDIO_PMA_STAT2_10GBLW 0x0004 /* 10GBASE-LW ability */
+#define MDIO_PMA_STAT2_10GBSW 0x0008 /* 10GBASE-SW ability */
+#define MDIO_PMA_STAT2_10GBLX4 0x0010 /* 10GBASE-LX4 ability */
+#define MDIO_PMA_STAT2_10GBER 0x0020 /* 10GBASE-ER ability */
+#define MDIO_PMA_STAT2_10GBLR 0x0040 /* 10GBASE-LR ability */
+#define MDIO_PMA_STAT2_10GBSR 0x0080 /* 10GBASE-SR ability */
+#define MDIO_PMD_STAT2_TXDISAB 0x0100 /* PMD TX disable ability */
+#define MDIO_PMA_STAT2_EXTABLE 0x0200 /* Extended abilities */
+#define MDIO_PMA_STAT2_RXFLTABLE 0x1000 /* Receive fault ability */
+#define MDIO_PMA_STAT2_TXFLTABLE 0x2000 /* Transmit fault ability */
+#define MDIO_PCS_STAT2_10GBR 0x0001 /* 10GBASE-R capable */
+#define MDIO_PCS_STAT2_10GBX 0x0002 /* 10GBASE-X capable */
+#define MDIO_PCS_STAT2_10GBW 0x0004 /* 10GBASE-W capable */
+#define MDIO_PCS_STAT2_RXFLTABLE 0x1000 /* Receive fault ability */
+#define MDIO_PCS_STAT2_TXFLTABLE 0x2000 /* Transmit fault ability */
+
+/* Transmit disable register. */
+#define MDIO_PMD_TXDIS_GLOBAL 0x0001 /* Global PMD TX disable */
+#define MDIO_PMD_TXDIS_0 0x0002 /* PMD TX disable 0 */
+#define MDIO_PMD_TXDIS_1 0x0004 /* PMD TX disable 1 */
+#define MDIO_PMD_TXDIS_2 0x0008 /* PMD TX disable 2 */
+#define MDIO_PMD_TXDIS_3 0x0010 /* PMD TX disable 3 */
+
+/* Receive signal detect register. */
+#define MDIO_PMD_RXDET_GLOBAL 0x0001 /* Global PMD RX signal detect */
+#define MDIO_PMD_RXDET_0 0x0002 /* PMD RX signal detect 0 */
+#define MDIO_PMD_RXDET_1 0x0004 /* PMD RX signal detect 1 */
+#define MDIO_PMD_RXDET_2 0x0008 /* PMD RX signal detect 2 */
+#define MDIO_PMD_RXDET_3 0x0010 /* PMD RX signal detect 3 */
+
+/* Extended abilities register. */
+#define MDIO_PMA_EXTABLE_10GCX4 0x0001 /* 10GBASE-CX4 ability */
+#define MDIO_PMA_EXTABLE_10GBLRM 0x0002 /* 10GBASE-LRM ability */
+#define MDIO_PMA_EXTABLE_10GBT 0x0004 /* 10GBASE-T ability */
+#define MDIO_PMA_EXTABLE_10GBKX4 0x0008 /* 10GBASE-KX4 ability */
+#define MDIO_PMA_EXTABLE_10GBKR 0x0010 /* 10GBASE-KR ability */
+#define MDIO_PMA_EXTABLE_1000BT 0x0020 /* 1000BASE-T ability */
+#define MDIO_PMA_EXTABLE_1000BKX 0x0040 /* 1000BASE-KX ability */
+#define MDIO_PMA_EXTABLE_100BTX 0x0080 /* 100BASE-TX ability */
+#define MDIO_PMA_EXTABLE_10BT 0x0100 /* 10BASE-T ability */
+
+/* PHY XGXS lane state register. */
+#define MDIO_PHYXS_LNSTAT_SYNC0 0x0001
+#define MDIO_PHYXS_LNSTAT_SYNC1 0x0002
+#define MDIO_PHYXS_LNSTAT_SYNC2 0x0004
+#define MDIO_PHYXS_LNSTAT_SYNC3 0x0008
+#define MDIO_PHYXS_LNSTAT_ALIGN 0x1000
+
+/* PMA 10GBASE-T pair swap & polarity */
+#define MDIO_PMA_10GBT_SWAPPOL_ABNX 0x0001 /* Pair A/B uncrossed */
+#define MDIO_PMA_10GBT_SWAPPOL_CDNX 0x0002 /* Pair C/D uncrossed */
+#define MDIO_PMA_10GBT_SWAPPOL_AREV 0x0100 /* Pair A polarity reversed */
+#define MDIO_PMA_10GBT_SWAPPOL_BREV 0x0200 /* Pair B polarity reversed */
+#define MDIO_PMA_10GBT_SWAPPOL_CREV 0x0400 /* Pair C polarity reversed */
+#define MDIO_PMA_10GBT_SWAPPOL_DREV 0x0800 /* Pair D polarity reversed */
+
+/* PMA 10GBASE-T TX power register. */
+#define MDIO_PMA_10GBT_TXPWR_SHORT 0x0001 /* Short-reach mode */
+
+/* PMA 10GBASE-T SNR registers. */
+/* Value is SNR margin in dB, clamped to range [-127, 127], plus 0x8000. */
+#define MDIO_PMA_10GBT_SNR_BIAS 0x8000
+#define MDIO_PMA_10GBT_SNR_MAX 127
+
+/* PMA 10GBASE-R FEC ability register. */
+#define MDIO_PMA_10GBR_FECABLE_ABLE 0x0001 /* FEC ability */
+#define MDIO_PMA_10GBR_FECABLE_ERRABLE 0x0002 /* FEC error indic. ability */
+
+/* PCS 10GBASE-R/-T status register 1. */
+#define MDIO_PCS_10GBRT_STAT1_BLKLK 0x0001 /* Block lock attained */
+
+/* PCS 10GBASE-R/-T status register 2. */
+#define MDIO_PCS_10GBRT_STAT2_ERR 0x00ff
+#define MDIO_PCS_10GBRT_STAT2_BER 0x3f00
+
+/* AN 10GBASE-T control register. */
+#define MDIO_AN_10GBT_CTRL_ADV10G 0x1000 /* Advertise 10GBASE-T */
+
+/* AN 10GBASE-T status register. */
+#define MDIO_AN_10GBT_STAT_LPTRR 0x0200 /* LP training reset req. */
+#define MDIO_AN_10GBT_STAT_LPLTABLE 0x0400 /* LP loop timing ability */
+#define MDIO_AN_10GBT_STAT_LP10G 0x0800 /* LP is 10GBT capable */
+#define MDIO_AN_10GBT_STAT_REMOK 0x1000 /* Remote OK */
+#define MDIO_AN_10GBT_STAT_LOCOK 0x2000 /* Local OK */
+#define MDIO_AN_10GBT_STAT_MS 0x4000 /* Master/slave config */
+#define MDIO_AN_10GBT_STAT_MSFLT 0x8000 /* Master/slave config fault */
+
+/* EEE Supported/Advertisement/LP Advertisement registers.
+ *
+ * EEE capability Register (3.20), Advertisement (7.60) and
+ * Link partner ability (7.61) registers have and can use the same identical
+ * bit masks.
+ */
+#define MDIO_AN_EEE_ADV_100TX 0x0002 /* Advertise 100TX EEE cap */
+#define MDIO_AN_EEE_ADV_1000T 0x0004 /* Advertise 1000T EEE cap */
+/* Note: the two defines above can be potentially used by the user-land
+ * and cannot remove them now.
+ * So, we define the new generic MDIO_EEE_100TX and MDIO_EEE_1000T macros
+ * using the previous ones (that can be considered obsolete).
+ */
+#define MDIO_EEE_100TX MDIO_AN_EEE_ADV_100TX /* 100TX EEE cap */
+#define MDIO_EEE_1000T MDIO_AN_EEE_ADV_1000T /* 1000T EEE cap */
+#define MDIO_EEE_10GT 0x0008 /* 10GT EEE cap */
+#define MDIO_EEE_1000KX 0x0010 /* 1000KX EEE cap */
+#define MDIO_EEE_10GKX4 0x0020 /* 10G KX4 EEE cap */
+#define MDIO_EEE_10GKR 0x0040 /* 10G KR EEE cap */
+
+/* LASI RX_ALARM control/status registers. */
+#define MDIO_PMA_LASI_RX_PHYXSLFLT 0x0001 /* PHY XS RX local fault */
+#define MDIO_PMA_LASI_RX_PCSLFLT 0x0008 /* PCS RX local fault */
+#define MDIO_PMA_LASI_RX_PMALFLT 0x0010 /* PMA/PMD RX local fault */
+#define MDIO_PMA_LASI_RX_OPTICPOWERFLT 0x0020 /* RX optical power fault */
+#define MDIO_PMA_LASI_RX_WISLFLT 0x0200 /* WIS local fault */
+
+/* LASI TX_ALARM control/status registers. */
+#define MDIO_PMA_LASI_TX_PHYXSLFLT 0x0001 /* PHY XS TX local fault */
+#define MDIO_PMA_LASI_TX_PCSLFLT 0x0008 /* PCS TX local fault */
+#define MDIO_PMA_LASI_TX_PMALFLT 0x0010 /* PMA/PMD TX local fault */
+#define MDIO_PMA_LASI_TX_LASERPOWERFLT 0x0080 /* Laser output power fault */
+#define MDIO_PMA_LASI_TX_LASERTEMPFLT 0x0100 /* Laser temperature fault */
+#define MDIO_PMA_LASI_TX_LASERBICURRFLT 0x0200 /* Laser bias current fault */
+
+/* LASI control/status registers. */
+#define MDIO_PMA_LASI_LSALARM 0x0001 /* LS_ALARM enable/status */
+#define MDIO_PMA_LASI_TXALARM 0x0002 /* TX_ALARM enable/status */
+#define MDIO_PMA_LASI_RXALARM 0x0004 /* RX_ALARM enable/status */
+
+/* Mapping between MDIO PRTAD/DEVAD and mii_ioctl_data::phy_id */
+
+#define MDIO_PHY_ID_C45 0x8000
+#define MDIO_PHY_ID_PRTAD 0x03e0
+#define MDIO_PHY_ID_DEVAD 0x001f
+#define MDIO_PHY_ID_C45_MASK \
+ (MDIO_PHY_ID_C45 | MDIO_PHY_ID_PRTAD | MDIO_PHY_ID_DEVAD)
+
+static __inline__ __u16 mdio_phy_id_c45(int prtad, int devad)
+{
+ return MDIO_PHY_ID_C45 | (prtad << 5) | devad;
+}
+
+#endif /* __LINUX_MDIO_H__ */
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