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/* $NetBSD: mii.h,v 1.9 2001/05/31 03:07:14 thorpej Exp $ */ /*- * Copyright (c) 1997 Manuel Bouyer. All rights reserved. * * Modification to match BSD/OS 3.0 MII interface by Jason R. Thorpe, * Numerical Aerospace Simulation Facility, NASA Ames Research Center. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD: release/9.1.0/sys/dev/mii/mii.h 221407 2011-05-03 19:51:29Z marius $ */ #ifndef _DEV_MII_MII_H_ #define _DEV_MII_MII_H_ /* * Registers common to all PHYs. */ #define MII_NPHY 32 /* max # of PHYs per MII */ /* * MII commands, used if a device must drive the MII lines * manually. */ #define MII_COMMAND_START 0x01 #define MII_COMMAND_READ 0x02 #define MII_COMMAND_WRITE 0x01 #define MII_COMMAND_ACK 0x02 #define MII_BMCR 0x00 /* Basic mode control register (rw) */ #define BMCR_RESET 0x8000 /* reset */ #define BMCR_LOOP 0x4000 /* loopback */ #define BMCR_SPEED0 0x2000 /* speed selection (LSB) */ #define BMCR_AUTOEN 0x1000 /* autonegotiation enable */ #define BMCR_PDOWN 0x0800 /* power down */ #define BMCR_ISO 0x0400 /* isolate */ #define BMCR_STARTNEG 0x0200 /* restart autonegotiation */ #define BMCR_FDX 0x0100 /* Set duplex mode */ #define BMCR_CTEST 0x0080 /* collision test */ #define BMCR_SPEED1 0x0040 /* speed selection (MSB) */ #define BMCR_S10 0x0000 /* 10 Mb/s */ #define BMCR_S100 BMCR_SPEED0 /* 100 Mb/s */ #define BMCR_S1000 BMCR_SPEED1 /* 1000 Mb/s */ #define BMCR_SPEED(x) ((x) & (BMCR_SPEED0|BMCR_SPEED1)) #define MII_BMSR 0x01 /* Basic mode status register (ro) */ #define BMSR_100T4 0x8000 /* 100 base T4 capable */ #define BMSR_100TXFDX 0x4000 /* 100 base Tx full duplex capable */ #define BMSR_100TXHDX 0x2000 /* 100 base Tx half duplex capable */ #define BMSR_10TFDX 0x1000 /* 10 base T full duplex capable */ #define BMSR_10THDX 0x0800 /* 10 base T half duplex capable */ #define BMSR_100T2FDX 0x0400 /* 100 base T2 full duplex capable */ #define BMSR_100T2HDX 0x0200 /* 100 base T2 half duplex capable */ #define BMSR_EXTSTAT 0x0100 /* Extended status in register 15 */ #define BMSR_MFPS 0x0040 /* MII Frame Preamble Suppression */ #define BMSR_ACOMP 0x0020 /* Autonegotiation complete */ #define BMSR_RFAULT 0x0010 /* Link partner fault */ #define BMSR_ANEG 0x0008 /* Autonegotiation capable */ #define BMSR_LINK 0x0004 /* Link status */ #define BMSR_JABBER 0x0002 /* Jabber detected */ #define BMSR_EXTCAP 0x0001 /* Extended capability */ #define BMSR_DEFCAPMASK 0xffffffff /* * Note that the EXTSTAT bit indicates that there is extended status * info available in register 15, but 802.3 section 22.2.4.3 also * states that that all 1000 Mb/s capable PHYs will set this bit to 1. */ #define BMSR_MEDIAMASK (BMSR_100T4|BMSR_100TXFDX|BMSR_100TXHDX| \ BMSR_10TFDX|BMSR_10THDX|BMSR_100T2FDX|BMSR_100T2HDX) /* * Convert BMSR media capabilities to ANAR bits for autonegotiation. * Note the shift chopps off the BMSR_ANEG bit. */ #define BMSR_MEDIA_TO_ANAR(x) (((x) & BMSR_MEDIAMASK) >> 6) #define MII_PHYIDR1 0x02 /* ID register 1 (ro) */ #define MII_PHYIDR2 0x03 /* ID register 2 (ro) */ #define IDR2_OUILSB 0xfc00 /* OUI LSB */ #define IDR2_MODEL 0x03f0 /* vendor model */ #define IDR2_REV 0x000f /* vendor revision */ #define MII_ANAR 0x04 /* Autonegotiation advertisement (rw) */ /* section 28.2.4.1 and 37.2.6.1 */ #define ANAR_NP 0x8000 /* Next page (ro) */ #define ANAR_ACK 0x4000 /* link partner abilities acknowledged (ro) */ #define ANAR_RF 0x2000 /* remote fault (ro) */ #define ANAR_FC 0x0400 /* local device supports PAUSE */ #define ANAR_T4 0x0200 /* local device supports 100bT4 */ #define ANAR_TX_FD 0x0100 /* local device supports 100bTx FD */ #define ANAR_TX 0x0080 /* local device supports 100bTx */ #define ANAR_10_FD 0x0040 /* local device supports 10bT FD */ #define ANAR_10 0x0020 /* local device supports 10bT */ #define ANAR_CSMA 0x0001 /* protocol selector CSMA/CD */ #define ANAR_PAUSE_NONE (0 << 10) #define ANAR_PAUSE_SYM (1 << 10) #define ANAR_PAUSE_ASYM (2 << 10) #define ANAR_PAUSE_TOWARDS (3 << 10) #define ANAR_X_FD 0x0020 /* local device supports 1000BASE-X FD */ #define ANAR_X_HD 0x0040 /* local device supports 1000BASE-X HD */ #define ANAR_X_PAUSE_NONE (0 << 7) #define ANAR_X_PAUSE_SYM (1 << 7) #define ANAR_X_PAUSE_ASYM (2 << 7) #define ANAR_X_PAUSE_TOWARDS (3 << 7) #define MII_ANLPAR 0x05 /* Autonegotiation lnk partner abilities (rw) */ /* section 28.2.4.1 and 37.2.6.1 */ #define ANLPAR_NP 0x8000 /* Next page (ro) */ #define ANLPAR_ACK 0x4000 /* link partner accepted ACK (ro) */ #define ANLPAR_RF 0x2000 /* remote fault (ro) */ #define ANLPAR_FC 0x0400 /* link partner supports PAUSE */ #define ANLPAR_T4 0x0200 /* link partner supports 100bT4 */ #define ANLPAR_TX_FD 0x0100 /* link partner supports 100bTx FD */ #define ANLPAR_TX 0x0080 /* link partner supports 100bTx */ #define ANLPAR_10_FD 0x0040 /* link partner supports 10bT FD */ #define ANLPAR_10 0x0020 /* link partner supports 10bT */ #define ANLPAR_CSMA 0x0001 /* protocol selector CSMA/CD */ #define ANLPAR_PAUSE_MASK (3 << 10) #define ANLPAR_PAUSE_NONE (0 << 10) #define ANLPAR_PAUSE_SYM (1 << 10) #define ANLPAR_PAUSE_ASYM (2 << 10) #define ANLPAR_PAUSE_TOWARDS (3 << 10) #define ANLPAR_X_FD 0x0020 /* local device supports 1000BASE-X FD */ #define ANLPAR_X_HD 0x0040 /* local device supports 1000BASE-X HD */ #define ANLPAR_X_PAUSE_MASK (3 << 7) #define ANLPAR_X_PAUSE_NONE (0 << 7) #define ANLPAR_X_PAUSE_SYM (1 << 7) #define ANLPAR_X_PAUSE_ASYM (2 << 7) #define ANLPAR_X_PAUSE_TOWARDS (3 << 7) #define MII_ANER 0x06 /* Autonegotiation expansion (ro) */ /* section 28.2.4.1 and 37.2.6.1 */ #define ANER_MLF 0x0010 /* multiple link detection fault */ #define ANER_LPNP 0x0008 /* link parter next page-able */ #define ANER_NP 0x0004 /* next page-able */ #define ANER_PAGE_RX 0x0002 /* Page received */ #define ANER_LPAN 0x0001 /* link parter autoneg-able */ #define MII_ANNP 0x07 /* Autonegotiation next page */ /* section 28.2.4.1 and 37.2.6.1 */ #define MII_ANLPRNP 0x08 /* Autonegotiation link partner rx next page */ /* section 32.5.1 and 37.2.6.1 */ /* This is also the 1000baseT control register */ #define MII_100T2CR 0x09 /* 100base-T2 control register */ #define GTCR_TEST_MASK 0xe000 /* see 802.3ab ss. 40.6.1.1.2 */ #define GTCR_MAN_MS 0x1000 /* enable manual master/slave control */ #define GTCR_ADV_MS 0x0800 /* 1 = adv. master, 0 = adv. slave */ #define GTCR_PORT_TYPE 0x0400 /* 1 = DCE, 0 = DTE (NIC) */ #define GTCR_ADV_1000TFDX 0x0200 /* adv. 1000baseT FDX */ #define GTCR_ADV_1000THDX 0x0100 /* adv. 1000baseT HDX */ /* This is also the 1000baseT status register */ #define MII_100T2SR 0x0a /* 100base-T2 status register */ #define GTSR_MAN_MS_FLT 0x8000 /* master/slave config fault */ #define GTSR_MS_RES 0x4000 /* result: 1 = master, 0 = slave */ #define GTSR_LRS 0x2000 /* local rx status, 1 = ok */ #define GTSR_RRS 0x1000 /* remove rx status, 1 = ok */ #define GTSR_LP_1000TFDX 0x0800 /* link partner 1000baseT FDX capable */ #define GTSR_LP_1000THDX 0x0400 /* link partner 1000baseT HDX capable */ #define GTSR_LP_ASM_DIR 0x0200 /* link partner asym. pause dir. capable */ #define GTSR_IDLE_ERR 0x00ff /* IDLE error count */ #define MII_EXTSR 0x0f /* Extended status register */ #define EXTSR_1000XFDX 0x8000 /* 1000X full-duplex capable */ #define EXTSR_1000XHDX 0x4000 /* 1000X half-duplex capable */ #define EXTSR_1000TFDX 0x2000 /* 1000T full-duplex capable */ #define EXTSR_1000THDX 0x1000 /* 1000T half-duplex capable */ #define EXTSR_MEDIAMASK (EXTSR_1000XFDX|EXTSR_1000XHDX| \ EXTSR_1000TFDX|EXTSR_1000THDX) #endif /* _DEV_MII_MII_H_ */